+++ /dev/null
-#
-# Copyright (C) 2007 OpenWrt.org
-#
-# This is free software, licensed under the GNU General Public License v2.
-# See /LICENSE for more information.
-#
-#
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=ipset
-PKG_VERSION:=3.2
-PKG_RELEASE:=1
-
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_SOURCE_URL:=http://ipset.netfilter.org
-PKG_MD5SUM:=0fd83af3efae5f72f5e5b55d07582941
-
-include $(INCLUDE_DIR)/package.mk
-
-define Package/ipset
- SECTION:=net
- CATEGORY:=Network
- DEPENDS:=@!TARGET_etrax @LINUX_2_6
- TITLE:=Netfilter ip sets administration utility
- URL:=http://ipset.netfilter.org/
-endef
-
-define Build/Compile
- $(call Build/Compile/Default, \
- COPT_FLAGS="$(TARGET_CFLAGS)" \
- LDFLAGS="-rdynamic -static-libgcc" \
- KERNEL_DIR="$(LINUX_DIR)" \
- PREFIX="/usr" \
- DESTDIR="$(PKG_INSTALL_DIR)" \
- binaries \
- )
-endef
-
-define Package/ipset/install
- $(MAKE) -C $(PKG_BUILD_DIR) \
- DESTDIR="$(1)" \
- PREFIX="/usr" \
- binaries_install
- rm -rf $(1)/usr/man
-endef
-
-$(eval $(call BuildPackage,ipset))
- libipt_NOTRACK
endef
-define Package/iptables-mod-ipset
-$(call Package/iptables/Module, +kmod-ipt-ipset)
- TITLE:=IPset extension
-endef
-
define Package/iptables-utils
$(call Package/iptables/Module, )
TITLE:=iptables save and restore utilities
$(eval $(call BuildPlugin,iptables-mod-conntrack,$(IPT_CONNTRACK-m)))
$(eval $(call BuildPlugin,iptables-mod-conntrack-extra,$(IPT_CONNTRACK_EXTRA-m)))
$(eval $(call BuildPlugin,iptables-mod-extra,$(IPT_EXTRA-m)))
-$(eval $(call BuildPlugin,iptables-mod-ipset,$(IPT_IPSET-m)))
$(eval $(call BuildPlugin,iptables-mod-filter,$(IPT_FILTER-m),$(L7_INSTALL)))
$(eval $(call BuildPlugin,iptables-mod-imq,$(IPT_IMQ-m)))
$(eval $(call BuildPlugin,iptables-mod-ipopt,$(IPT_IPOPT-m)))
$(eval $(call KernelPackage,ipt-iprange))
-define KernelPackage/ipt-ipset
- SUBMENU:=$(NF_MENU)
- TITLE:=IPSET Modules
- KCONFIG:=$(KCONFIG_IPT_IPSET)
- FILES:=$(foreach mod,$(IPT_IPSET-m),$(LINUX_DIR)/net/$(mod).$(LINUX_KMOD_SUFFIX))
- AUTOLOAD:=$(call AutoLoad,45,$(notdir $(IPT_IPSET-m)))
- DEPENDS:= kmod-ipt-core
-endef
-
-define KernelPackage/ipt-ipset/description
- Netfilter kernel modules for ipset
- Includes:
- - ip_set
- - ip_set_iphash
- - ip_set_ipmap
- - ip_set_ipporthash
- - ip_set_ipportiphash
- - ip_set_ipportnethash
- - ip_set_iptree
- - ip_set_iptreemap
- - ip_set_macipmap
- - ip_set_nethash
- - ip_set_portmap
- - ip_set_setlist
- - ipt_set
- - ipt_SET
-endef
-
-$(eval $(call KernelPackage,ipt-ipset))
-
-
define KernelPackage/ipt-extra
SUBMENU:=$(NF_MENU)
TITLE:=Extra modules
+++ /dev/null
---- a/Documentation/Configure.help
-+++ b/Documentation/Configure.help
-@@ -3231,6 +3231,75 @@ CONFIG_IP_NF_TARGET_CLASSIFY
- If you want to compile it as a module, say M here and read
- Documentation/modules.txt. If unsure, say `N'.
-
-+IP set support
-+CONFIG_IP_NF_SET
-+ This option adds IP set support to the kernel.
-+
-+ In order to define and use sets, you need userlevel utilities: an
-+ iptables binary which knows about IP sets and the program ipset(8),
-+ by which you can define and setup the sets themselves.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+set match support
-+CONFIG_IP_NF_MATCH_SET
-+ This option adds IP set match support.
-+ You need the ipset utility to create and set up the sets.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+SET target support
-+CONFIG_IP_NF_TARGET_SET
-+ This option adds IP set target support.
-+ You need the ipset utility to create and set up the sets.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+ipmap set type support
-+CONFIG_IP_NF_SET_IPMAP
-+ This option adds the ipmap set type support.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+macipmap set type support
-+CONFIG_IP_NF_SET_MACIPMAP
-+ This option adds the macipmap set type support.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+portmap set type support
-+CONFIG_IP_NF_SET_PORTMAP
-+ This option adds the portmap set type support.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+iphash set type support
-+CONFIG_IP_NF_SET_IPHASH
-+ This option adds the iphash set type support.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+nethash set type support
-+CONFIG_IP_NF_SET_NETHASH
-+ This option adds the nethash set type support.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
-+iptree set type support
-+CONFIG_IP_NF_SET_IPTREE
-+ This option adds the iptree set type support.
-+
-+ If you want to compile it as a module, say M here and read
-+ <file:Documentation/modules.txt>. If unsure, say `N'.
-+
- TTL target support
- CONFIG_IP_NF_TARGET_TTL
- This option adds a `TTL' target, which enables the user to set
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set.h
-@@ -0,0 +1,489 @@
-+#ifndef _IP_SET_H
-+#define _IP_SET_H
-+
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/*
-+ * A sockopt of such quality has hardly ever been seen before on the open
-+ * market! This little beauty, hardly ever used: above 64, so it's
-+ * traditionally used for firewalling, not touched (even once!) by the
-+ * 2.0, 2.2 and 2.4 kernels!
-+ *
-+ * Comes with its own certificate of authenticity, valid anywhere in the
-+ * Free world!
-+ *
-+ * Rusty, 19.4.2000
-+ */
-+#define SO_IP_SET 83
-+
-+/*
-+ * Heavily modify by Joakim Axelsson 08.03.2002
-+ * - Made it more modulebased
-+ *
-+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
-+ * - bindings added
-+ * - in order to "deal with" backward compatibility, renamed to ipset
-+ */
-+
-+/*
-+ * Used so that the kernel module and ipset-binary can match their versions
-+ */
-+#define IP_SET_PROTOCOL_VERSION 2
-+
-+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-+
-+/* Lets work with our own typedef for representing an IP address.
-+ * We hope to make the code more portable, possibly to IPv6...
-+ *
-+ * The representation works in HOST byte order, because most set types
-+ * will perform arithmetic operations and compare operations.
-+ *
-+ * For now the type is an uint32_t.
-+ *
-+ * Make sure to ONLY use the functions when translating and parsing
-+ * in order to keep the host byte order and make it more portable:
-+ * parse_ip()
-+ * parse_mask()
-+ * parse_ipandmask()
-+ * ip_tostring()
-+ * (Joakim: where are they???)
-+ */
-+
-+typedef uint32_t ip_set_ip_t;
-+
-+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
-+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
-+ */
-+typedef uint16_t ip_set_id_t;
-+
-+#define IP_SET_INVALID_ID 65535
-+
-+/* How deep we follow bindings */
-+#define IP_SET_MAX_BINDINGS 6
-+
-+/*
-+ * Option flags for kernel operations (ipt_set_info)
-+ */
-+#define IPSET_SRC 0x01 /* Source match/add */
-+#define IPSET_DST 0x02 /* Destination match/add */
-+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-+
-+/*
-+ * Set types (flavours)
-+ */
-+#define IPSET_TYPE_IP 0 /* IP address type of set */
-+#define IPSET_TYPE_PORT 1 /* Port type of set */
-+
-+/* Reserved keywords */
-+#define IPSET_TOKEN_DEFAULT ":default:"
-+#define IPSET_TOKEN_ALL ":all:"
-+
-+/* SO_IP_SET operation constants, and their request struct types.
-+ *
-+ * Operation ids:
-+ * 0-99: commands with version checking
-+ * 100-199: add/del/test/bind/unbind
-+ * 200-299: list, save, restore
-+ */
-+
-+/* Single shot operations:
-+ * version, create, destroy, flush, rename and swap
-+ *
-+ * Sets are identified by name.
-+ */
-+
-+#define IP_SET_REQ_STD \
-+ unsigned op; \
-+ unsigned version; \
-+ char name[IP_SET_MAXNAMELEN]
-+
-+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-+struct ip_set_req_create {
-+ IP_SET_REQ_STD;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-+struct ip_set_req_std {
-+ IP_SET_REQ_STD;
-+};
-+
-+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-+/* Uses ip_set_req_std */
-+
-+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-+/* Uses ip_set_req_create */
-+
-+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-+/* Uses ip_set_req_create */
-+
-+union ip_set_name_index {
-+ char name[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+};
-+
-+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-+struct ip_set_req_get_set {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+};
-+
-+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-+/* Uses ip_set_req_get_set */
-+
-+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-+struct ip_set_req_version {
-+ unsigned op;
-+ unsigned version;
-+};
-+
-+/* Double shots operations:
-+ * add, del, test, bind and unbind.
-+ *
-+ * First we query the kernel to get the index and type of the target set,
-+ * then issue the command. Validity of IP is checked in kernel in order
-+ * to minimalize sockopt operations.
-+ */
-+
-+/* Get minimal set data for add/del/test/bind/unbind IP */
-+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-+struct ip_set_req_adt_get {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_REQ_BYINDEX \
-+ unsigned op; \
-+ ip_set_id_t index;
-+
-+struct ip_set_req_adt {
-+ IP_SET_REQ_BYINDEX;
-+};
-+
-+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+struct ip_set_req_bind {
-+ IP_SET_REQ_BYINDEX;
-+ char binding[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-+/* Uses ip_set_req_bind, with type speficic addage
-+ * index = 0 means unbinding for all sets */
-+
-+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+
-+/* Multiple shots operations: list, save, restore.
-+ *
-+ * - check kernel version and query the max number of sets
-+ * - get the basic information on all sets
-+ * and size required for the next step
-+ * - get actual set data: header, data, bindings
-+ */
-+
-+/* Get max_sets and the index of a queried set
-+ */
-+#define IP_SET_OP_MAX_SETS 0x00000020
-+struct ip_set_req_max_sets {
-+ unsigned op;
-+ unsigned version;
-+ ip_set_id_t max_sets; /* max_sets */
-+ ip_set_id_t sets; /* real number of sets */
-+ union ip_set_name_index set; /* index of set if name used */
-+};
-+
-+/* Get the id and name of the sets plus size for next step */
-+#define IP_SET_OP_LIST_SIZE 0x00000201
-+#define IP_SET_OP_SAVE_SIZE 0x00000202
-+struct ip_set_req_setnames {
-+ unsigned op;
-+ ip_set_id_t index; /* set to list/save */
-+ size_t size; /* size to get setdata/bindings */
-+ /* followed by sets number of struct ip_set_name_list */
-+};
-+
-+struct ip_set_name_list {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ ip_set_id_t id;
-+};
-+
-+/* The actual list operation */
-+#define IP_SET_OP_LIST 0x00000203
-+struct ip_set_req_list {
-+ IP_SET_REQ_BYINDEX;
-+ /* sets number of struct ip_set_list in reply */
-+};
-+
-+struct ip_set_list {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t ref;
-+ size_t header_size; /* Set header data of header_size */
-+ size_t members_size; /* Set members data of members_size */
-+ size_t bindings_size; /* Set bindings data of bindings_size */
-+};
-+
-+struct ip_set_hash_list {
-+ ip_set_ip_t ip;
-+ ip_set_id_t binding;
-+};
-+
-+/* The save operation */
-+#define IP_SET_OP_SAVE 0x00000204
-+/* Uses ip_set_req_list, in the reply replaced by
-+ * sets number of struct ip_set_save plus a marker
-+ * ip_set_save followed by ip_set_hash_save structures.
-+ */
-+struct ip_set_save {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ size_t header_size; /* Set header data of header_size */
-+ size_t members_size; /* Set members data of members_size */
-+};
-+
-+/* At restoring, ip == 0 means default binding for the given set: */
-+struct ip_set_hash_save {
-+ ip_set_ip_t ip;
-+ ip_set_id_t id;
-+ ip_set_id_t binding;
-+};
-+
-+/* The restore operation */
-+#define IP_SET_OP_RESTORE 0x00000205
-+/* Uses ip_set_req_setnames followed by ip_set_restore structures
-+ * plus a marker ip_set_restore, followed by ip_set_hash_save
-+ * structures.
-+ */
-+struct ip_set_restore {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ size_t header_size; /* Create data of header_size */
-+ size_t members_size; /* Set members data of members_size */
-+};
-+
-+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-+{
-+ return 4 * ((((b - a + 8) / 8) + 3) / 4);
-+}
-+
-+#ifdef __KERNEL__
-+
-+#define ip_set_printk(format, args...) \
-+ do { \
-+ printk("%s: %s: ", __FILE__, __FUNCTION__); \
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+
-+#if defined(IP_SET_DEBUG)
-+#define DP(format, args...) \
-+ do { \
-+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+#define IP_SET_ASSERT(x) \
-+ do { \
-+ if (!(x)) \
-+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ } while (0)
-+#else
-+#define DP(format, args...)
-+#define IP_SET_ASSERT(x)
-+#endif
-+
-+struct ip_set;
-+
-+/*
-+ * The ip_set_type definition - one per set type, e.g. "ipmap".
-+ *
-+ * Each individual set has a pointer, set->type, going to one
-+ * of these structures. Function pointers inside the structure implement
-+ * the real behaviour of the sets.
-+ *
-+ * If not mentioned differently, the implementation behind the function
-+ * pointers of a set_type, is expected to return 0 if ok, and a negative
-+ * errno (e.g. -EINVAL) on error.
-+ */
-+struct ip_set_type {
-+ struct list_head list; /* next in list of set types */
-+
-+ /* test for IP in set (kernel: iptables -m set src|dst)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ u_int32_t flags,
-+ ip_set_ip_t *ip);
-+
-+ /* test for IP in set (userspace: ipset -T set IP)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip) (struct ip_set *set,
-+ const void *data, size_t size,
-+ ip_set_ip_t *ip);
-+
-+ /*
-+ * Size of the data structure passed by when
-+ * adding/deletin/testing an entry.
-+ */
-+ size_t reqsize;
-+
-+ /* Add IP into set (userspace: ipset -A set IP)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip) (struct ip_set *set,
-+ const void *data, size_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* Add IP into set (kernel: iptables ... -j SET set src|dst)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ u_int32_t flags,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (userspace: ipset -D set --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip) (struct ip_set *set,
-+ const void *data, size_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (kernel: iptables ... -j SET --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ u_int32_t flags,
-+ ip_set_ip_t *ip);
-+
-+ /* new set creation - allocated type specific items
-+ */
-+ int (*create) (struct ip_set *set,
-+ const void *data, size_t size);
-+
-+ /* retry the operation after successfully tweaking the set
-+ */
-+ int (*retry) (struct ip_set *set);
-+
-+ /* set destruction - free type specific items
-+ * There is no return value.
-+ * Can be called only when child sets are destroyed.
-+ */
-+ void (*destroy) (struct ip_set *set);
-+
-+ /* set flushing - reset all bits in the set, or something similar.
-+ * There is no return value.
-+ */
-+ void (*flush) (struct ip_set *set);
-+
-+ /* Listing: size needed for header
-+ */
-+ size_t header_size;
-+
-+ /* Listing: Get the header
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_header_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_header) (const struct ip_set *set,
-+ void *data);
-+
-+ /* Listing: Get the size for the set members
-+ */
-+ int (*list_members_size) (const struct ip_set *set);
-+
-+ /* Listing: Get the set members
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_member_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_members) (const struct ip_set *set,
-+ void *data);
-+
-+ char typename[IP_SET_MAXNAMELEN];
-+ char typecode;
-+ int protocol_version;
-+
-+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */
-+ struct module *me;
-+};
-+
-+extern int ip_set_register_set_type(struct ip_set_type *set_type);
-+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-+
-+/* A generic ipset */
-+struct ip_set {
-+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */
-+ rwlock_t lock; /* lock for concurrency control */
-+ ip_set_id_t id; /* set id for swapping */
-+ ip_set_id_t binding; /* default binding for the set */
-+ atomic_t ref; /* in kernel and in hash references */
-+ struct ip_set_type *type; /* the set types */
-+ void *data; /* pooltype specific data */
-+};
-+
-+/* Structure to bind set elements to sets */
-+struct ip_set_hash {
-+ struct list_head list; /* list of clashing entries in hash */
-+ ip_set_ip_t ip; /* ip from set */
-+ ip_set_id_t id; /* set id */
-+ ip_set_id_t binding; /* set we bind the element to */
-+};
-+
-+/* register and unregister set references */
-+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t id);
-+extern void ip_set_put(ip_set_id_t id);
-+
-+/* API for iptables set match, and SET target */
-+extern void ip_set_addip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern void ip_set_delip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_testip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h
-@@ -0,0 +1,30 @@
-+#ifndef __IP_SET_IPHASH_H
-+#define __IP_SET_IPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iphash"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_iphash {
-+ ip_set_ip_t *members; /* the iphash proper */
-+ uint32_t initval; /* initval for jhash_1word */
-+ uint32_t prime; /* prime for double hashing */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t netmask; /* netmask */
-+};
-+
-+struct ip_set_req_iphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_iphash {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_IPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h
-@@ -0,0 +1,56 @@
-+#ifndef __IP_SET_IPMAP_H
-+#define __IP_SET_IPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "ipmap"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_ipmap {
-+ void *members; /* the ipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ ip_set_ip_t netmask; /* subnet netmask */
-+ ip_set_ip_t sizeid; /* size of set in IPs */
-+ u_int16_t hosts; /* number of hosts in a subnet */
-+};
-+
-+struct ip_set_req_ipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_ipmap {
-+ ip_set_ip_t ip;
-+};
-+
-+unsigned int
-+mask_to_bits(ip_set_ip_t mask)
-+{
-+ unsigned int bits = 32;
-+ ip_set_ip_t maskaddr;
-+
-+ if (mask == 0xFFFFFFFF)
-+ return bits;
-+
-+ maskaddr = 0xFFFFFFFE;
-+ while (--bits >= 0 && maskaddr != mask)
-+ maskaddr <<= 1;
-+
-+ return bits;
-+}
-+
-+ip_set_ip_t
-+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
-+{
-+ ip_set_ip_t mask = 0xFFFFFFFE;
-+
-+ *bits = 32;
-+ while (--(*bits) >= 0 && mask && (to & mask) != from)
-+ mask <<= 1;
-+
-+ return mask;
-+}
-+
-+#endif /* __IP_SET_IPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPTREE_H
-+#define __IP_SET_IPTREE_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptree"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_iptreed {
-+ unsigned long expires[255]; /* x.x.x.ADDR */
-+};
-+
-+struct ip_set_iptreec {
-+ struct ip_set_iptreed *tree[255]; /* x.x.ADDR.* */
-+};
-+
-+struct ip_set_iptreeb {
-+ struct ip_set_iptreec *tree[255]; /* x.ADDR.*.* */
-+};
-+
-+struct ip_set_iptree {
-+ unsigned int timeout;
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ struct timer_list gc;
-+ struct ip_set_iptreeb *tree[255]; /* ADDR.*.*.* */
-+#endif
-+};
-+
-+struct ip_set_req_iptree_create {
-+ unsigned int timeout;
-+};
-+
-+struct ip_set_req_iptree {
-+ ip_set_ip_t ip;
-+ unsigned int timeout;
-+};
-+
-+#endif /* __IP_SET_IPTREE_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h
-@@ -0,0 +1,148 @@
-+#ifndef _LINUX_IPSET_JHASH_H
-+#define _LINUX_IPSET_JHASH_H
-+
-+/* This is a copy of linux/jhash.h but the types u32/u8 are changed
-+ * to __u32/__u8 so that the header file can be included into
-+ * userspace code as well. Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
-+ */
-+
-+/* jhash.h: Jenkins hash support.
-+ *
-+ * Copyright (C) 1996 Bob Jenkins (bob_jenkins@burtleburtle.net)
-+ *
-+ * http://burtleburtle.net/bob/hash/
-+ *
-+ * These are the credits from Bob's sources:
-+ *
-+ * lookup2.c, by Bob Jenkins, December 1996, Public Domain.
-+ * hash(), hash2(), hash3, and mix() are externally useful functions.
-+ * Routines to test the hash are included if SELF_TEST is defined.
-+ * You can use this free for any purpose. It has no warranty.
-+ *
-+ * Copyright (C) 2003 David S. Miller (davem@redhat.com)
-+ *
-+ * I've modified Bob's hash to be useful in the Linux kernel, and
-+ * any bugs present are surely my fault. -DaveM
-+ */
-+
-+/* NOTE: Arguments are modified. */
-+#define __jhash_mix(a, b, c) \
-+{ \
-+ a -= b; a -= c; a ^= (c>>13); \
-+ b -= c; b -= a; b ^= (a<<8); \
-+ c -= a; c -= b; c ^= (b>>13); \
-+ a -= b; a -= c; a ^= (c>>12); \
-+ b -= c; b -= a; b ^= (a<<16); \
-+ c -= a; c -= b; c ^= (b>>5); \
-+ a -= b; a -= c; a ^= (c>>3); \
-+ b -= c; b -= a; b ^= (a<<10); \
-+ c -= a; c -= b; c ^= (b>>15); \
-+}
-+
-+/* The golden ration: an arbitrary value */
-+#define JHASH_GOLDEN_RATIO 0x9e3779b9
-+
-+/* The most generic version, hashes an arbitrary sequence
-+ * of bytes. No alignment or length assumptions are made about
-+ * the input key.
-+ */
-+static inline __u32 jhash(void *key, __u32 length, __u32 initval)
-+{
-+ __u32 a, b, c, len;
-+ __u8 *k = key;
-+
-+ len = length;
-+ a = b = JHASH_GOLDEN_RATIO;
-+ c = initval;
-+
-+ while (len >= 12) {
-+ a += (k[0] +((__u32)k[1]<<8) +((__u32)k[2]<<16) +((__u32)k[3]<<24));
-+ b += (k[4] +((__u32)k[5]<<8) +((__u32)k[6]<<16) +((__u32)k[7]<<24));
-+ c += (k[8] +((__u32)k[9]<<8) +((__u32)k[10]<<16)+((__u32)k[11]<<24));
-+
-+ __jhash_mix(a,b,c);
-+
-+ k += 12;
-+ len -= 12;
-+ }
-+
-+ c += length;
-+ switch (len) {
-+ case 11: c += ((__u32)k[10]<<24);
-+ case 10: c += ((__u32)k[9]<<16);
-+ case 9 : c += ((__u32)k[8]<<8);
-+ case 8 : b += ((__u32)k[7]<<24);
-+ case 7 : b += ((__u32)k[6]<<16);
-+ case 6 : b += ((__u32)k[5]<<8);
-+ case 5 : b += k[4];
-+ case 4 : a += ((__u32)k[3]<<24);
-+ case 3 : a += ((__u32)k[2]<<16);
-+ case 2 : a += ((__u32)k[1]<<8);
-+ case 1 : a += k[0];
-+ };
-+
-+ __jhash_mix(a,b,c);
-+
-+ return c;
-+}
-+
-+/* A special optimized version that handles 1 or more of __u32s.
-+ * The length parameter here is the number of __u32s in the key.
-+ */
-+static inline __u32 jhash2(__u32 *k, __u32 length, __u32 initval)
-+{
-+ __u32 a, b, c, len;
-+
-+ a = b = JHASH_GOLDEN_RATIO;
-+ c = initval;
-+ len = length;
-+
-+ while (len >= 3) {
-+ a += k[0];
-+ b += k[1];
-+ c += k[2];
-+ __jhash_mix(a, b, c);
-+ k += 3; len -= 3;
-+ }
-+
-+ c += length * 4;
-+
-+ switch (len) {
-+ case 2 : b += k[1];
-+ case 1 : a += k[0];
-+ };
-+
-+ __jhash_mix(a,b,c);
-+
-+ return c;
-+}
-+
-+
-+/* A special ultra-optimized versions that knows they are hashing exactly
-+ * 3, 2 or 1 word(s).
-+ *
-+ * NOTE: In partilar the "c += length; __jhash_mix(a,b,c);" normally
-+ * done at the end is not done here.
-+ */
-+static inline __u32 jhash_3words(__u32 a, __u32 b, __u32 c, __u32 initval)
-+{
-+ a += JHASH_GOLDEN_RATIO;
-+ b += JHASH_GOLDEN_RATIO;
-+ c += initval;
-+
-+ __jhash_mix(a, b, c);
-+
-+ return c;
-+}
-+
-+static inline __u32 jhash_2words(__u32 a, __u32 b, __u32 initval)
-+{
-+ return jhash_3words(a, b, 0, initval);
-+}
-+
-+static inline __u32 jhash_1word(__u32 a, __u32 initval)
-+{
-+ return jhash_3words(a, 0, 0, initval);
-+}
-+
-+#endif /* _LINUX_IPSET_JHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h
-@@ -0,0 +1,38 @@
-+#ifndef __IP_SET_MACIPMAP_H
-+#define __IP_SET_MACIPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "macipmap"
-+#define MAX_RANGE 0x0000FFFF
-+
-+/* general flags */
-+#define IPSET_MACIP_MATCHUNSET 1
-+
-+/* per ip flags */
-+#define IPSET_MACIP_ISSET 1
-+
-+struct ip_set_macipmap {
-+ void *members; /* the macipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap {
-+ ip_set_ip_t ip;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+struct ip_set_macip {
-+ unsigned short flags;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+#endif /* __IP_SET_MACIPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h
-@@ -0,0 +1,27 @@
-+#ifndef _IP_SET_MALLOC_H
-+#define _IP_SET_MALLOC_H
-+
-+#ifdef __KERNEL__
-+
-+/* Memory allocation and deallocation */
-+static size_t max_malloc_size = 131072; /* Guaranteed: slab.c */
-+
-+static inline void * ip_set_malloc(size_t bytes)
-+{
-+ if (bytes > max_malloc_size)
-+ return vmalloc(bytes);
-+ else
-+ return kmalloc(bytes, GFP_KERNEL);
-+}
-+
-+static inline void ip_set_free(void * data, size_t bytes)
-+{
-+ if (bytes > max_malloc_size)
-+ vfree(data);
-+ else
-+ kfree(data);
-+}
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_MALLOC_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h
-@@ -0,0 +1,55 @@
-+#ifndef __IP_SET_NETHASH_H
-+#define __IP_SET_NETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "nethash"
-+#define MAX_RANGE 0x0000FFFF
-+
-+struct ip_set_nethash {
-+ ip_set_ip_t *members; /* the nethash proper */
-+ uint32_t initval; /* initval for jhash_1word */
-+ uint32_t prime; /* prime for double hashing */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ unsigned char cidr[30]; /* CIDR sizes */
-+};
-+
-+struct ip_set_req_nethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+};
-+
-+struct ip_set_req_nethash {
-+ ip_set_ip_t ip;
-+ unsigned char cidr;
-+};
-+
-+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
-+
-+static inline ip_set_ip_t
-+pack(ip_set_ip_t ip, unsigned char cidr)
-+{
-+ ip_set_ip_t addr, *paddr = &addr;
-+ unsigned char n, t, *a;
-+
-+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
-+#ifdef __KERNEL__
-+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
-+#endif
-+ n = cidr / 8;
-+ t = cidr % 8;
-+ a = &((unsigned char *)paddr)[n];
-+ *a = *a /(1 << (8 - t)) + shifts[t];
-+#ifdef __KERNEL__
-+ DP("n: %u, t: %u, a: %u", n, t, *a);
-+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
-+ HIPQUAD(ip), cidr, NIPQUAD(addr));
-+#endif
-+
-+ return ntohl(addr);
-+}
-+
-+#endif /* __IP_SET_NETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h
-@@ -0,0 +1,25 @@
-+#ifndef __IP_SET_PORTMAP_H
-+#define __IP_SET_PORTMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "portmap"
-+#define MAX_RANGE 0x0000FFFF
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+struct ip_set_portmap {
-+ void *members; /* the portmap proper */
-+ ip_set_ip_t first_port; /* host byte order, included in range */
-+ ip_set_ip_t last_port; /* host byte order, included in range */
-+};
-+
-+struct ip_set_req_portmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_portmap {
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_PORTMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_prime.h
-@@ -0,0 +1,34 @@
-+#ifndef __IP_SET_PRIME_H
-+#define __IP_SET_PRIME_H
-+
-+static inline unsigned make_prime_bound(unsigned nr)
-+{
-+ unsigned long long nr64 = nr;
-+ unsigned long long x = 1;
-+ nr = 1;
-+ while (x <= nr64) { x <<= 2; nr <<= 1; }
-+ return nr;
-+}
-+
-+static inline int make_prime_check(unsigned nr)
-+{
-+ unsigned x = 3;
-+ unsigned b = make_prime_bound(nr);
-+ while (x <= b) {
-+ if (0 == (nr % x)) return 0;
-+ x += 2;
-+ }
-+ return 1;
-+}
-+
-+static unsigned make_prime(unsigned nr)
-+{
-+ if (0 == (nr & 1)) nr--;
-+ while (nr > 1) {
-+ if (make_prime_check(nr)) return nr;
-+ nr -= 2;
-+ }
-+ return 2;
-+}
-+
-+#endif /* __IP_SET_PRIME_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_set.h
-@@ -0,0 +1,21 @@
-+#ifndef _IPT_SET_H
-+#define _IPT_SET_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+struct ipt_set_info {
-+ ip_set_id_t index;
-+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-+};
-+
-+/* match info */
-+struct ipt_set_info_match {
-+ struct ipt_set_info match_set;
-+};
-+
-+struct ipt_set_info_target {
-+ struct ipt_set_info add_set;
-+ struct ipt_set_info del_set;
-+};
-+
-+#endif /*_IPT_SET_H*/
---- a/net/ipv4/netfilter/Config.in
-+++ b/net/ipv4/netfilter/Config.in
-@@ -20,6 +20,20 @@ tristate 'IP tables support (required fo
- if [ "$CONFIG_IP_NF_IPTABLES" != "n" ]; then
- # The simple matches.
- dep_tristate ' limit match support' CONFIG_IP_NF_MATCH_LIMIT $CONFIG_IP_NF_IPTABLES
-+
-+ dep_tristate ' IP set support' CONFIG_IP_NF_SET $CONFIG_IP_NF_IPTABLES
-+ if [ "$CONFIG_IP_NF_SET" != "n" ]; then
-+ int ' Maximum number of sets' CONFIG_IP_NF_SET_MAX 256
-+ int ' Hash size for bindings of IP sets' CONFIG_IP_NF_SET_HASHSIZE 1024
-+ dep_tristate ' set match support' CONFIG_IP_NF_MATCH_SET $CONFIG_IP_NF_SET
-+ dep_tristate ' SET target support' CONFIG_IP_NF_TARGET_SET $CONFIG_IP_NF_SET
-+ dep_tristate ' ipmap set type support' CONFIG_IP_NF_SET_IPMAP $CONFIG_IP_NF_SET
-+ dep_tristate ' portmap set type support' CONFIG_IP_NF_SET_PORTMAP $CONFIG_IP_NF_SET
-+ dep_tristate ' macipmap set type support' CONFIG_IP_NF_SET_MACIPMAP $CONFIG_IP_NF_SET
-+ dep_tristate ' iphash set type support' CONFIG_IP_NF_SET_IPHASH $CONFIG_IP_NF_SET
-+ dep_tristate ' nethash set type support' CONFIG_IP_NF_SET_NETHASH $CONFIG_IP_NF_SET
-+ dep_tristate ' iptree set type support' CONFIG_IP_NF_SET_IPTREE $CONFIG_IP_NF_SET
-+ fi
- dep_tristate ' MAC address match support' CONFIG_IP_NF_MATCH_MAC $CONFIG_IP_NF_IPTABLES
- dep_tristate ' Packet type match support' CONFIG_IP_NF_MATCH_PKTTYPE $CONFIG_IP_NF_IPTABLES
- dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set.c
-@@ -0,0 +1,2002 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module for IP set management */
-+
-+#include <linux/config.h>
-+#include <linux/module.h>
-+#include <linux/kmod.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/random.h>
-+#include <linux/jhash.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <asm/softirq.h>
-+#include <asm/semaphore.h>
-+#include <linux/spinlock.h>
-+#include <linux/vmalloc.h>
-+
-+#define ASSERT_READ_LOCK(x) /* dont use that */
-+#define ASSERT_WRITE_LOCK(x)
-+#include <linux/netfilter_ipv4/listhelp.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+static struct list_head set_type_list; /* all registered sets */
-+static struct ip_set **ip_set_list; /* all individual sets */
-+static DECLARE_RWLOCK(ip_set_lock); /* protects the lists and the hash */
-+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */
-+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
-+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE;
-+static struct list_head *ip_set_hash; /* hash of bindings */
-+static unsigned int ip_set_hash_random; /* random seed */
-+
-+/* Arrgh */
-+#ifdef MODULE
-+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo)
-+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo)
-+#define __MOD_INC_SELF MOD_INC_USE_COUNT
-+#define __MOD_DEC_SELF MOD_DEC_USE_COUNT
-+#else
-+#define __MOD_INC(foo)
-+#define __MOD_DEC(foo)
-+#define __MOD_INC_SELF
-+#define __MOD_DEC_SELF
-+#endif
-+
-+/*
-+ * Sets are identified either by the index in ip_set_list or by id.
-+ * The id never changes and is used to find a key in the hash.
-+ * The index may change by swapping and used at all other places
-+ * (set/SET netfilter modules, binding value, etc.)
-+ *
-+ * Userspace requests are serialized by ip_set_mutex and sets can
-+ * be deleted only from userspace. Therefore ip_set_list locking
-+ * must obey the following rules:
-+ *
-+ * - kernel requests: read and write locking mandatory
-+ * - user requests: read locking optional, write locking mandatory
-+ */
-+
-+static inline void
-+__ip_set_get(ip_set_id_t index)
-+{
-+ atomic_inc(&ip_set_list[index]->ref);
-+}
-+
-+static inline void
-+__ip_set_put(ip_set_id_t index)
-+{
-+ atomic_dec(&ip_set_list[index]->ref);
-+}
-+
-+/*
-+ * Binding routines
-+ */
-+
-+static inline int
-+ip_hash_cmp(const struct ip_set_hash *set_hash,
-+ ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ return set_hash->id == id && set_hash->ip == ip;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ MUST_BE_READ_LOCKED(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+
-+ set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp,
-+ struct ip_set_hash *, id, ip);
-+
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
-+}
-+
-+static inline void
-+__set_hash_del(struct ip_set_hash *set_hash)
-+{
-+ MUST_BE_WRITE_LOCKED(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+
-+ __ip_set_put(set_hash->binding);
-+ list_del(&set_hash->list);
-+ kfree(set_hash);
-+}
-+
-+static int
-+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+ WRITE_LOCK(&ip_set_lock);
-+ set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp,
-+ struct ip_set_hash *, id, ip);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ if (set_hash != NULL)
-+ __set_hash_del(set_hash);
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return 0;
-+}
-+
-+static int
-+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+ int ret = 0;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ IP_SET_ASSERT(ip_set_list[binding]);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip), ip_set_list[binding]->name);
-+ WRITE_LOCK(&ip_set_lock);
-+ set_hash = LIST_FIND(&ip_set_hash[key], ip_hash_cmp,
-+ struct ip_set_hash *, id, ip);
-+ if (!set_hash) {
-+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_KERNEL);
-+ if (!set_hash) {
-+ ret = -ENOMEM;
-+ goto unlock;
-+ }
-+ INIT_LIST_HEAD(&set_hash->list);
-+ set_hash->id = id;
-+ set_hash->ip = ip;
-+ list_add(&ip_set_hash[key], &set_hash->list);
-+ } else {
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+ DP("overwrite binding: %s",
-+ ip_set_list[set_hash->binding]->name);
-+ __ip_set_put(set_hash->binding);
-+ }
-+ set_hash->binding = binding;
-+ __ip_set_get(set_hash->binding);
-+ unlock:
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return ret;
-+}
-+
-+#define FOREACH_HASH_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash; \
-+ \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+#define FOREACH_HASH_RW_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash, *__n; \
-+ \
-+ MUST_BE_WRITE_LOCKED(&ip_set_lock); \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+/* Add, del and test set entries from kernel */
-+
-+#define follow_bindings(index, set, ip) \
-+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \
-+ || (index = (set)->binding) != IP_SET_INVALID_ID)
-+
-+int
-+ip_set_testip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res, i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ READ_LOCK(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip_kernel(set, skb, flags[i], &ip);
-+ read_unlock_bh(&set->lock);
-+ } while (res > 0
-+ && flags[++i]
-+ && follow_bindings(index, set, ip));
-+ READ_UNLOCK(&ip_set_lock);
-+
-+ return res;
-+}
-+
-+void
-+ip_set_addip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res, i= 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ retry:
-+ READ_LOCK(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip_kernel(set, skb, flags[i], &ip);
-+ write_unlock_bh(&set->lock);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[++i]
-+ && follow_bindings(index, set, ip));
-+ READ_UNLOCK(&ip_set_lock);
-+
-+ if (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0)
-+ goto retry;
-+}
-+
-+void
-+ip_set_delip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res, i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ READ_LOCK(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip_kernel(set, skb, flags[i], &ip);
-+ write_unlock_bh(&set->lock);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[++i]
-+ && follow_bindings(index, set, ip));
-+ READ_UNLOCK(&ip_set_lock);
-+}
-+
-+/* Register and deregister settype */
-+
-+static inline int
-+set_type_equal(const struct ip_set_type *set_type, const char *str2)
-+{
-+ return !strncmp(set_type->typename, str2, IP_SET_MAXNAMELEN - 1);
-+}
-+
-+static inline struct ip_set_type *
-+find_set_type(const char *name)
-+{
-+ return LIST_FIND(&set_type_list,
-+ set_type_equal,
-+ struct ip_set_type *,
-+ name);
-+}
-+
-+int
-+ip_set_register_set_type(struct ip_set_type *set_type)
-+{
-+ int ret = 0;
-+
-+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
-+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
-+ set_type->typename,
-+ set_type->protocol_version,
-+ IP_SET_PROTOCOL_VERSION);
-+ return -EINVAL;
-+ }
-+
-+ WRITE_LOCK(&ip_set_lock);
-+ if (find_set_type(set_type->typename)) {
-+ /* Duplicate! */
-+ ip_set_printk("'%s' already registered!",
-+ set_type->typename);
-+ ret = -EINVAL;
-+ goto unlock;
-+ }
-+ __MOD_INC_SELF;
-+ list_append(&set_type_list, set_type);
-+ DP("'%s' registered.", set_type->typename);
-+ unlock:
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return ret;
-+}
-+
-+void
-+ip_set_unregister_set_type(struct ip_set_type *set_type)
-+{
-+ WRITE_LOCK(&ip_set_lock);
-+ if (!find_set_type(set_type->typename)) {
-+ ip_set_printk("'%s' not registered?",
-+ set_type->typename);
-+ goto unlock;
-+ }
-+ LIST_DELETE(&set_type_list, set_type);
-+ __MOD_DEC_SELF;
-+ DP("'%s' unregistered.", set_type->typename);
-+ unlock:
-+ WRITE_UNLOCK(&ip_set_lock);
-+
-+}
-+
-+/*
-+ * Userspace routines
-+ */
-+
-+/*
-+ * Find set by name, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ down(&ip_set_app_mutex);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && strcmp(ip_set_list[i]->name, name) == 0) {
-+ __ip_set_get(i);
-+ index = i;
-+ break;
-+ }
-+ }
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find set by index, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+
-+ if (index >= ip_set_max)
-+ return IP_SET_INVALID_ID;
-+
-+ if (ip_set_list[index])
-+ __ip_set_get(index);
-+ else
-+ index = IP_SET_INVALID_ID;
-+
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * If the given set pointer points to a valid set, decrement
-+ * reference count by 1. The caller shall not assume the index
-+ * to be valid, after calling this function.
-+ */
-+void ip_set_put(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+ up(&ip_set_app_mutex);
-+}
-+
-+/* Find a set by name or index */
-+static ip_set_id_t
-+ip_set_find_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && strcmp(ip_set_list[i]->name, name) == 0) {
-+ index = i;
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_byindex(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || ip_set_list[index] == NULL)
-+ index = IP_SET_INVALID_ID;
-+
-+ return index;
-+}
-+
-+/*
-+ * Add, del, test, bind and unbind
-+ */
-+
-+static inline int
-+__ip_set_testip(struct ip_set *set,
-+ const void *data,
-+ size_t size,
-+ ip_set_ip_t *ip)
-+{
-+ int res;
-+
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip(set, data, size, ip);
-+ read_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+__ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ do {
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip(set, data, size, &ip);
-+ write_unlock_bh(&set->lock);
-+ } while (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+
-+ return __ip_set_addip(index,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt));
-+}
-+
-+static int
-+ip_set_delip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+ write_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+
-+ return (res > 0 ? -EEXIST : res);
-+}
-+
-+static int
-+ip_set_bindip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = (struct ip_set_req_bind *) data;
-+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of a set */
-+ char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = (char *)(data + sizeof(struct ip_set_req_bind));
-+ binding_name[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ WRITE_LOCK(&ip_set_lock);
-+ /* Sets as binding values are referenced */
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ set->binding = binding;
-+ __ip_set_get(set->binding);
-+ WRITE_UNLOCK(&ip_set_lock);
-+
-+ return 0;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = ip_set_hash_add(set->id, ip, binding);
-+
-+ return res;
-+}
-+
-+#define FOREACH_SET_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __i; \
-+ struct ip_set *__set; \
-+ \
-+ for (__i = 0; __i < ip_set_max; __i++) { \
-+ __set = ip_set_list[__i]; \
-+ if (__set != NULL) \
-+ fn(__set , ##args); \
-+ } \
-+})
-+
-+static inline void
-+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
-+{
-+ if (set_hash->id == id)
-+ __set_hash_del(set_hash);
-+}
-+
-+static inline void
-+__unbind_default(struct ip_set *set)
-+{
-+ if (set->binding != IP_SET_INVALID_ID) {
-+ /* Sets as binding values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static int
-+ip_set_unbindip(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set;
-+ struct ip_set_req_bind *req_bind;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ DP("");
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = (struct ip_set_req_bind *) data;
-+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ DP("%u %s", index, req_bind->binding);
-+ if (index == IP_SET_INVALID_ID) {
-+ /* unbind :all: */
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of sets */
-+ WRITE_LOCK(&ip_set_lock);
-+ FOREACH_SET_DO(__unbind_default);
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return 0;
-+ } else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) {
-+ /* Flush all bindings of all sets*/
-+ WRITE_LOCK(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del);
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return 0;
-+ }
-+ DP("unreachable reached!");
-+ return -EINVAL;
-+ }
-+
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of set */
-+ ip_set_id_t binding = ip_set_find_byindex(set->binding);
-+
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ WRITE_LOCK(&ip_set_lock);
-+ /* Sets in hash values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ WRITE_UNLOCK(&ip_set_lock);
-+
-+ return 0;
-+ } else if (strcmp(req_bind->binding, IPSET_TOKEN_ALL) == 0) {
-+ /* Flush all bindings */
-+
-+ WRITE_LOCK(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return 0;
-+ }
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+
-+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
-+ if (res >= 0)
-+ res = ip_set_hash_del(set->id, ip);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testbind(ip_set_id_t index,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = (struct ip_set_req_bind *) data;
-+ req_bind->binding[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ if (strcmp(req_bind->binding, IPSET_TOKEN_DEFAULT) == 0) {
-+ /* Default binding of set */
-+ char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = (char *)(data + sizeof(struct ip_set_req_bind));
-+ binding_name[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = (set->binding == binding) ? -EEXIST : 0;
-+
-+ return res;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = (ip_set_find_in_hash(set->id, ip) == binding)
-+ ? -EEXIST : 0;
-+
-+ return res;
-+}
-+
-+static struct ip_set_type *
-+find_set_type_rlock(const char *typename)
-+{
-+ struct ip_set_type *type;
-+
-+ READ_LOCK(&ip_set_lock);
-+ type = find_set_type(typename);
-+ if (type == NULL)
-+ READ_UNLOCK(&ip_set_lock);
-+
-+ return type;
-+}
-+
-+static int
-+find_free_id(const char *name,
-+ ip_set_id_t *index,
-+ ip_set_id_t *id)
-+{
-+ ip_set_id_t i;
-+
-+ *id = IP_SET_INVALID_ID;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL) {
-+ if (*id == IP_SET_INVALID_ID)
-+ *id = *index = i;
-+ } else if (strcmp(name, ip_set_list[i]->name) == 0)
-+ /* Name clash */
-+ return -EEXIST;
-+ }
-+ if (*id == IP_SET_INVALID_ID)
-+ /* No free slot remained */
-+ return -ERANGE;
-+ /* Check that index is usable as id (swapping) */
-+ check:
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && ip_set_list[i]->id == *id) {
-+ *id = i;
-+ goto check;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * Create a set
-+ */
-+static int
-+ip_set_create(const char *name,
-+ const char *typename,
-+ ip_set_id_t restore,
-+ const void *data,
-+ size_t size)
-+{
-+ struct ip_set *set;
-+ ip_set_id_t index, id;
-+ int res = 0;
-+
-+ DP("setname: %s, typename: %s, id: %u", name, typename, restore);
-+ /*
-+ * First, and without any locks, allocate and initialize
-+ * a normal base set structure.
-+ */
-+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
-+ if (!set)
-+ return -ENOMEM;
-+ set->lock = RW_LOCK_UNLOCKED;
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ set->binding = IP_SET_INVALID_ID;
-+ atomic_set(&set->ref, 0);
-+
-+ /*
-+ * Next, take the &ip_set_lock, check that we know the type,
-+ * and take a reference on the type, to make sure it
-+ * stays available while constructing our new set.
-+ *
-+ * After referencing the type, we drop the &ip_set_lock,
-+ * and let the new set construction run without locks.
-+ */
-+ set->type = find_set_type_rlock(typename);
-+ if (set->type == NULL) {
-+ /* Try loading the module */
-+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
-+ strcpy(modulename, "ip_set_");
-+ strcat(modulename, typename);
-+ DP("try to load %s", modulename);
-+ request_module(modulename);
-+ set->type = find_set_type_rlock(typename);
-+ }
-+ if (set->type == NULL) {
-+ ip_set_printk("no set type '%s', set '%s' not created",
-+ typename, name);
-+ kfree(set);
-+ return -ENOENT;
-+ }
-+ __MOD_INC(set->type->me);
-+ READ_UNLOCK(&ip_set_lock);
-+
-+ /*
-+ * Without holding any locks, create private part.
-+ */
-+ res = set->type->create(set, data, size);
-+ if (res != 0) {
-+ __MOD_DEC(set->type->me);
-+ kfree(set);
-+ return res;
-+ }
-+
-+ /* BTW, res==0 here. */
-+
-+ /*
-+ * Here, we have a valid, constructed set. &ip_set_lock again,
-+ * find free id/index and check that it is not already in
-+ * ip_set_list.
-+ */
-+ WRITE_LOCK(&ip_set_lock);
-+ if ((res = find_free_id(set->name, &index, &id)) != 0) {
-+ DP("no free id!");
-+ goto cleanup;
-+ }
-+
-+ /* Make sure restore gets the same index */
-+ if (restore != IP_SET_INVALID_ID && index != restore) {
-+ DP("Can't restore, sets are screwed up");
-+ res = -ERANGE;
-+ goto cleanup;
-+ }
-+
-+ /*
-+ * Finally! Add our shiny new set to the list, and be done.
-+ */
-+ DP("create: '%s' created with index %u, id %u!", set->name, index, id);
-+ set->id = id;
-+ ip_set_list[index] = set;
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return res;
-+
-+ cleanup:
-+ WRITE_UNLOCK(&ip_set_lock);
-+ set->type->destroy(set);
-+ __MOD_DEC(set->type->me);
-+ kfree(set);
-+ return res;
-+}
-+
-+/*
-+ * Destroy a given existing set
-+ */
-+static void
-+ip_set_destroy_set(ip_set_id_t index)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+ DP("set: %s", set->name);
-+ WRITE_LOCK(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ ip_set_list[index] = NULL;
-+ WRITE_UNLOCK(&ip_set_lock);
-+
-+ /* Must call it without holding any lock */
-+ set->type->destroy(set);
-+ __MOD_DEC(set->type->me);
-+ kfree(set);
-+}
-+
-+/*
-+ * Destroy a set - or all sets
-+ * Sets must not be referenced/used.
-+ */
-+static int
-+ip_set_destroy(ip_set_id_t index)
-+{
-+ ip_set_id_t i;
-+
-+ /* ref modification always protected by the mutex */
-+ if (index != IP_SET_INVALID_ID) {
-+ if (atomic_read(&ip_set_list[index]->ref))
-+ return -EBUSY;
-+ ip_set_destroy_set(index);
-+ } else {
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && (atomic_read(&ip_set_list[i]->ref)))
-+ return -EBUSY;
-+ }
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ ip_set_destroy_set(i);
-+ }
-+ }
-+ return 0;
-+}
-+
-+static void
-+ip_set_flush_set(struct ip_set *set)
-+{
-+ DP("set: %s %u", set->name, set->id);
-+
-+ write_lock_bh(&set->lock);
-+ set->type->flush(set);
-+ write_unlock_bh(&set->lock);
-+}
-+
-+/*
-+ * Flush data in a set - or in all sets
-+ */
-+static int
-+ip_set_flush(ip_set_id_t index)
-+{
-+ if (index != IP_SET_INVALID_ID) {
-+ IP_SET_ASSERT(ip_set_list[index]);
-+ ip_set_flush_set(ip_set_list[index]);
-+ } else
-+ FOREACH_SET_DO(ip_set_flush_set);
-+
-+ return 0;
-+}
-+
-+/* Rename a set */
-+static int
-+ip_set_rename(ip_set_id_t index, const char *name)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_id_t i;
-+ int res = 0;
-+
-+ DP("set: %s to %s", set->name, name);
-+ WRITE_LOCK(&ip_set_lock);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && strncmp(ip_set_list[i]->name,
-+ name,
-+ IP_SET_MAXNAMELEN - 1) == 0) {
-+ res = -EEXIST;
-+ goto unlock;
-+ }
-+ }
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ unlock:
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return res;
-+}
-+
-+/*
-+ * Swap two sets so that name/index points to the other.
-+ * References are also swapped.
-+ */
-+static int
-+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
-+{
-+ struct ip_set *from = ip_set_list[from_index];
-+ struct ip_set *to = ip_set_list[to_index];
-+ char from_name[IP_SET_MAXNAMELEN];
-+ u_int32_t from_ref;
-+
-+ DP("set: %s to %s", from->name, to->name);
-+ /* Type can't be changed. Artifical restriction. */
-+ if (from->type->typecode != to->type->typecode)
-+ return -ENOEXEC;
-+
-+ /* No magic here: ref munging protected by the mutex */
-+ WRITE_LOCK(&ip_set_lock);
-+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
-+ from_ref = atomic_read(&from->ref);
-+
-+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
-+ atomic_set(&from->ref, atomic_read(&to->ref));
-+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
-+ atomic_set(&to->ref, from_ref);
-+
-+ ip_set_list[from_index] = to;
-+ ip_set_list[to_index] = from;
-+
-+ WRITE_UNLOCK(&ip_set_lock);
-+ return 0;
-+}
-+
-+/*
-+ * List set data
-+ */
-+
-+static inline void
-+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, size_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_list);
-+}
-+
-+static inline void
-+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, size_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_save);
-+}
-+
-+static inline void
-+__set_hash_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, void *data, int *used)
-+{
-+ if (set_hash->id == id) {
-+ struct ip_set_hash_list *hash_list =
-+ (struct ip_set_hash_list *)(data + *used);
-+
-+ hash_list->ip = set_hash->ip;
-+ hash_list->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_list);
-+ }
-+}
-+
-+static int ip_set_list_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_list *set_list;
-+
-+ /* Pointer to our header */
-+ set_list = (struct ip_set_list *) (data + *used);
-+
-+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_list) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_list);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_list->header_size = set->type->header_size;
-+ if (*used + set_list->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_list->index = index;
-+ set_list->binding = set->binding;
-+ set_list->ref = atomic_read(&set->ref);
-+
-+ /* Fill in set spefific header data */
-+ DP("call list_header");
-+ set->type->list_header(set, data + *used);
-+ DP("call list_header, done");
-+ *used += set_list->header_size;
-+
-+ /* Get and ensure set specific members size */
-+ DP("call list_members_size");
-+ set_list->members_size = set->type->list_members_size(set);
-+ DP("call list_members_size, done");
-+ if (*used + set_list->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ DP("call list_members");
-+ set->type->list_members(set, data + *used);
-+ DP("call list_members, done");
-+ *used += set_list->members_size;
-+ read_unlock_bh(&set->lock);
-+
-+ /* Bindings */
-+
-+ /* Get and ensure set specific bindings size */
-+ set_list->bindings_size = 0;
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &set_list->bindings_size);
-+ if (*used + set_list->bindings_size > len)
-+ goto not_enough_mem;
-+
-+ /* Fill in set spefific bindings data */
-+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
-+
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+/*
-+ * Save sets
-+ */
-+static int ip_set_save_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set;
-+ struct ip_set_save *set_save;
-+
-+ /* Pointer to our header */
-+ set_save = (struct ip_set_save *) (data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_save);
-+
-+ set = ip_set_list[index];
-+ DP("set: %s, used: %u(%u) %p %p", set->name, *used, len,
-+ data, data + *used);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_save->header_size = set->type->header_size;
-+ if (*used + set_save->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_save->index = index;
-+ set_save->binding = set->binding;
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_save->header_size;
-+
-+ DP("set header filled: %s, used: %u %p %p", set->name, *used,
-+ data, data + *used);
-+ /* Get and ensure set specific members size */
-+ set_save->members_size = set->type->list_members_size(set);
-+ if (*used + set_save->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_save->members_size;
-+ read_unlock_bh(&set->lock);
-+ DP("set members filled: %s, used: %u %p %p", set->name, *used,
-+ data, data + *used);
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+static inline void
-+__set_hash_save_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id,
-+ void *data,
-+ int *used,
-+ int len,
-+ int *res)
-+{
-+ if (*res == 0
-+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
-+ struct ip_set_hash_save *hash_save =
-+ (struct ip_set_hash_save *)(data + *used);
-+ /* Ensure bindings size */
-+ if (*used + sizeof(struct ip_set_hash_save) > len) {
-+ *res = -ENOMEM;
-+ return;
-+ }
-+ hash_save->id = set_hash->id;
-+ hash_save->ip = set_hash->ip;
-+ hash_save->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_save);
-+ }
-+}
-+
-+static int ip_set_save_bindings(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ int res = 0;
-+ struct ip_set_save *set_save;
-+
-+ DP("used %u, len %u", *used, len);
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ return -ENOMEM;
-+
-+ /* Marker */
-+ set_save = (struct ip_set_save *) (data + *used);
-+ set_save->index = IP_SET_INVALID_ID;
-+ *used += sizeof(struct ip_set_save);
-+
-+ DP("marker added used %u, len %u", *used, len);
-+ /* Fill in bindings data */
-+ if (index != IP_SET_INVALID_ID)
-+ /* Sets are identified by id in hash */
-+ index = ip_set_list[index]->id;
-+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
-+
-+ return res;
-+}
-+
-+/*
-+ * Restore sets
-+ */
-+static int ip_set_restore(void *data,
-+ int len)
-+{
-+ int res = 0;
-+ int line = 0, used = 0, members_size;
-+ struct ip_set *set;
-+ struct ip_set_hash_save *hash_save;
-+ struct ip_set_restore *set_restore;
-+ ip_set_id_t index;
-+
-+ /* Loop to restore sets */
-+ while (1) {
-+ line++;
-+
-+ DP("%u %u %u", used, sizeof(struct ip_set_restore), len);
-+ /* Get and ensure header size */
-+ if (used + sizeof(struct ip_set_restore) > len)
-+ return line;
-+ set_restore = (struct ip_set_restore *) (data + used);
-+ used += sizeof(struct ip_set_restore);
-+
-+ /* Ensure data size */
-+ if (used
-+ + set_restore->header_size
-+ + set_restore->members_size > len)
-+ return line;
-+
-+ /* Check marker */
-+ if (set_restore->index == IP_SET_INVALID_ID) {
-+ line--;
-+ goto bindings;
-+ }
-+
-+ /* Try to create the set */
-+ DP("restore %s %s", set_restore->name, set_restore->typename);
-+ res = ip_set_create(set_restore->name,
-+ set_restore->typename,
-+ set_restore->index,
-+ data + used,
-+ set_restore->header_size);
-+
-+ if (res != 0)
-+ return line;
-+ used += set_restore->header_size;
-+
-+ index = ip_set_find_byindex(set_restore->index);
-+ DP("index %u, restore_index %u", index, set_restore->index);
-+ if (index != set_restore->index)
-+ return line;
-+ /* Try to restore members data */
-+ set = ip_set_list[index];
-+ members_size = 0;
-+ DP("members_size %u reqsize %u",
-+ set_restore->members_size, set->type->reqsize);
-+ while (members_size + set->type->reqsize <=
-+ set_restore->members_size) {
-+ line++;
-+ DP("members: %u, line %u", members_size, line);
-+ res = __ip_set_addip(index,
-+ data + used + members_size,
-+ set->type->reqsize);
-+ if (!(res == 0 || res == -EEXIST))
-+ return line;
-+ members_size += set->type->reqsize;
-+ }
-+
-+ DP("members_size %u %u",
-+ set_restore->members_size, members_size);
-+ if (members_size != set_restore->members_size)
-+ return line++;
-+ used += set_restore->members_size;
-+ }
-+
-+ bindings:
-+ /* Loop to restore bindings */
-+ while (used < len) {
-+ line++;
-+
-+ DP("restore binding, line %u", line);
-+ /* Get and ensure size */
-+ if (used + sizeof(struct ip_set_hash_save) > len)
-+ return line;
-+ hash_save = (struct ip_set_hash_save *) (data + used);
-+ used += sizeof(struct ip_set_hash_save);
-+
-+ /* hash_save->id is used to store the index */
-+ index = ip_set_find_byindex(hash_save->id);
-+ DP("restore binding index %u, id %u, %u -> %u",
-+ index, hash_save->id, hash_save->ip, hash_save->binding);
-+ if (index != hash_save->id)
-+ return line;
-+
-+ set = ip_set_list[hash_save->id];
-+ /* Null valued IP means default binding */
-+ if (hash_save->ip)
-+ res = ip_set_hash_add(set->id,
-+ hash_save->ip,
-+ hash_save->binding);
-+ else {
-+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
-+ WRITE_LOCK(&ip_set_lock);
-+ set->binding = hash_save->binding;
-+ __ip_set_get(set->binding);
-+ WRITE_UNLOCK(&ip_set_lock);
-+ DP("default binding: %u", set->binding);
-+ }
-+ if (res != 0)
-+ return line;
-+ }
-+ if (used != len)
-+ return line;
-+
-+ return 0;
-+}
-+
-+static int
-+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
-+{
-+ void *data;
-+ int res = 0; /* Assume OK */
-+ unsigned *op;
-+ struct ip_set_req_adt *req_adt;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ int (*adtfn)(ip_set_id_t index,
-+ const void *data, size_t size);
-+ struct fn_table {
-+ int (*fn)(ip_set_id_t index,
-+ const void *data, size_t size);
-+ } adtfn_table[] =
-+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
-+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
-+ };
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (len <= sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >%zu, got %u)",
-+ sizeof(unsigned), len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(len);
-+ if (!data) {
-+ DP("out of mem for %u bytes", len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *)data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version =
-+ (struct ip_set_req_version *) data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_CREATE:{
-+ struct ip_set_req_create *req_create
-+ = (struct ip_set_req_create *) data;
-+
-+ if (len <= sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("short CREATE data (want >%zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+ res = ip_set_create(req_create->name,
-+ req_create->typename,
-+ IP_SET_INVALID_ID,
-+ data + sizeof(struct ip_set_req_create),
-+ len - sizeof(struct ip_set_req_create));
-+ goto done;
-+ }
-+ case IP_SET_OP_DESTROY:{
-+ struct ip_set_req_std *req_destroy
-+ = (struct ip_set_req_std *) data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid DESTROY data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (strcmp(req_destroy->name, IPSET_TOKEN_ALL) == 0) {
-+ /* Destroy all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_destroy->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+
-+ res = ip_set_destroy(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_FLUSH:{
-+ struct ip_set_req_std *req_flush =
-+ (struct ip_set_req_std *) data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid FLUSH data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (strcmp(req_flush->name, IPSET_TOKEN_ALL) == 0) {
-+ /* Flush all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_flush->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = ip_set_flush(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_RENAME:{
-+ struct ip_set_req_create *req_rename
-+ = (struct ip_set_req_create *) data;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid RENAME data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_rename->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_rename(index, req_rename->typename);
-+ goto done;
-+ }
-+ case IP_SET_OP_SWAP:{
-+ struct ip_set_req_create *req_swap
-+ = (struct ip_set_req_create *) data;
-+ ip_set_id_t to_index;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid SWAP data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_swap->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ to_index = ip_set_find_byname(req_swap->typename);
-+ if (to_index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_swap(index, to_index);
-+ goto done;
-+ }
-+ default:
-+ break; /* Set identified by id */
-+ }
-+
-+ /* There we may have add/del/test/bind/unbind/test_bind operations */
-+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
-+ res = -EBADMSG;
-+ goto done;
-+ }
-+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
-+
-+ if (len < sizeof(struct ip_set_req_adt)) {
-+ ip_set_printk("short data in adt request (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_adt), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_adt = (struct ip_set_req_adt *) data;
-+
-+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
-+ if (!(*op == IP_SET_OP_UNBIND_SET
-+ && req_adt->index == IP_SET_INVALID_ID)) {
-+ index = ip_set_find_byindex(req_adt->index);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = adtfn(index, data, len);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static int
-+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
-+{
-+ int res = 0;
-+ unsigned *op;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ void *data;
-+ int copylen = *len;
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, *len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (*len < sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >=%zu, got %d)",
-+ sizeof(unsigned), *len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(*len);
-+ if (!data) {
-+ DP("out of mem for %d bytes", *len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, *len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *) data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version =
-+ (struct ip_set_req_version *) data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_VERSION: {
-+ struct ip_set_req_version *req_version =
-+ (struct ip_set_req_version *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_version)) {
-+ ip_set_printk("invalid VERSION (want %zu, got %d)",
-+ sizeof(struct ip_set_req_version),
-+ *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_version->version = IP_SET_PROTOCOL_VERSION;
-+ res = copy_to_user(user, req_version,
-+ sizeof(struct ip_set_req_version));
-+ goto done;
-+ }
-+ case IP_SET_OP_GET_BYNAME: {
-+ struct ip_set_req_get_set *req_get
-+ = (struct ip_set_req_get_set *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ req_get->set.index = index;
-+ goto copy;
-+ }
-+ case IP_SET_OP_GET_BYINDEX: {
-+ struct ip_set_req_get_set *req_get
-+ = (struct ip_set_req_get_set *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byindex(req_get->set.index);
-+ strncpy(req_get->set.name,
-+ index == IP_SET_INVALID_ID ? ""
-+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN);
-+ goto copy;
-+ }
-+ case IP_SET_OP_ADT_GET: {
-+ struct ip_set_req_adt_get *req_get
-+ = (struct ip_set_req_adt_get *) data;
-+
-+ if (*len != sizeof(struct ip_set_req_adt_get)) {
-+ ip_set_printk("invalid ADT_GET (want %zu, got %d)",
-+ sizeof(struct ip_set_req_adt_get), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ if (index != IP_SET_INVALID_ID) {
-+ req_get->set.index = index;
-+ strncpy(req_get->typename,
-+ ip_set_list[index]->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ } else {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_MAX_SETS: {
-+ struct ip_set_req_max_sets *req_max_sets
-+ = (struct ip_set_req_max_sets *) data;
-+ ip_set_id_t i;
-+
-+ if (*len != sizeof(struct ip_set_req_max_sets)) {
-+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
-+ sizeof(struct ip_set_req_max_sets), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ if (strcmp(req_max_sets->set.name, IPSET_TOKEN_ALL) == 0) {
-+ req_max_sets->set.index = IP_SET_INVALID_ID;
-+ } else {
-+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_max_sets->set.index =
-+ ip_set_find_byname(req_max_sets->set.name);
-+ if (req_max_sets->set.index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ req_max_sets->max_sets = ip_set_max;
-+ req_max_sets->sets = 0;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ req_max_sets->sets++;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST_SIZE:
-+ case IP_SET_OP_SAVE_SIZE: {
-+ struct ip_set_req_setnames *req_setnames
-+ = (struct ip_set_req_setnames *) data;
-+ struct ip_set_name_list *name_list;
-+ struct ip_set *set;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)) {
-+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_setnames), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_setnames->size = 0;
-+ used = sizeof(struct ip_set_req_setnames);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL)
-+ continue;
-+ name_list = (struct ip_set_name_list *)
-+ (data + used);
-+ used += sizeof(struct ip_set_name_list);
-+ if (used > copylen) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ set = ip_set_list[i];
-+ /* Fill in index, name, etc. */
-+ name_list->index = i;
-+ name_list->id = set->id;
-+ strncpy(name_list->name,
-+ set->name,
-+ IP_SET_MAXNAMELEN - 1);
-+ strncpy(name_list->typename,
-+ set->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ DP("filled %s of type %s, index %u\n",
-+ name_list->name, name_list->typename,
-+ name_list->index);
-+ if (!(req_setnames->index == IP_SET_INVALID_ID
-+ || req_setnames->index == i))
-+ continue;
-+ /* Update size */
-+ switch (*op) {
-+ case IP_SET_OP_LIST_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_list)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ i, &req_setnames->size);
-+ break;
-+ }
-+ case IP_SET_OP_SAVE_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_save)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_save,
-+ i, &req_setnames->size);
-+ break;
-+ }
-+ default:
-+ break;
-+ }
-+ }
-+ if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST: {
-+ struct ip_set_req_list *req_list
-+ = (struct ip_set_req_list *) data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short LIST (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_list->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* List all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_list_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* List an individual set */
-+ res = ip_set_list_set(index, data, &used, *len);
-+ }
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_SAVE: {
-+ struct ip_set_req_list *req_save
-+ = (struct ip_set_req_list *) data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short SAVE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_save->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* Save all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_save_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* Save an individual set */
-+ res = ip_set_save_set(index, data, &used, *len);
-+ }
-+ if (res == 0)
-+ res = ip_set_save_bindings(index, data, &used, *len);
-+
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_RESTORE: {
-+ struct ip_set_req_setnames *req_restore
-+ = (struct ip_set_req_setnames *) data;
-+ int line;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)
-+ || *len != req_restore->size) {
-+ ip_set_printk("invalid RESTORE (want =%zu, got %d)",
-+ req_restore->size, *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
-+ req_restore->size - sizeof(struct ip_set_req_setnames));
-+ DP("ip_set_restore: %u", line);
-+ if (line != 0) {
-+ res = -EAGAIN;
-+ req_restore->size = line;
-+ copylen = sizeof(struct ip_set_req_setnames);
-+ goto copy;
-+ }
-+ goto done;
-+ }
-+ default:
-+ res = -EBADMSG;
-+ goto done;
-+ } /* end of switch(op) */
-+
-+ copy:
-+ DP("set %s, copylen %u", index != IP_SET_INVALID_ID
-+ && ip_set_list[index]
-+ ? ip_set_list[index]->name
-+ : ":all:", copylen);
-+ if (res == 0)
-+ res = copy_to_user(user, data, copylen);
-+ else
-+ copy_to_user(user, data, copylen);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static struct nf_sockopt_ops so_set = {
-+ .pf = PF_INET,
-+ .set_optmin = SO_IP_SET,
-+ .set_optmax = SO_IP_SET + 1,
-+ .set = &ip_set_sockfn_set,
-+ .get_optmin = SO_IP_SET,
-+ .get_optmax = SO_IP_SET + 1,
-+ .get = &ip_set_sockfn_get,
-+ .use = 0
-+};
-+
-+static int max_sets, hash_size;
-+MODULE_PARM(max_sets, "i");
-+MODULE_PARM_DESC(max_sets, "maximal number of sets");
-+MODULE_PARM(hash_size, "i");
-+MODULE_PARM_DESC(hash_size, "hash size for bindings");
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("module implementing core IP set support");
-+
-+static int __init init(void)
-+{
-+ int res;
-+ ip_set_id_t i;
-+
-+ get_random_bytes(&ip_set_hash_random, 4);
-+ if (max_sets)
-+ ip_set_max = max_sets;
-+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
-+ if (!ip_set_list) {
-+ printk(KERN_ERR "Unable to create ip_set_list\n");
-+ return -ENOMEM;
-+ }
-+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
-+ if (hash_size)
-+ ip_set_bindings_hash_size = hash_size;
-+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
-+ if (!ip_set_hash) {
-+ printk(KERN_ERR "Unable to create ip_set_hash\n");
-+ vfree(ip_set_list);
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < ip_set_bindings_hash_size; i++)
-+ INIT_LIST_HEAD(&ip_set_hash[i]);
-+
-+ INIT_LIST_HEAD(&set_type_list);
-+
-+ res = nf_register_sockopt(&so_set);
-+ if (res != 0) {
-+ ip_set_printk("SO_SET registry failed: %d", res);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ return res;
-+ }
-+ return 0;
-+}
-+
-+static void __exit fini(void)
-+{
-+ /* There can't be any existing set or binding. Racy. */
-+ nf_unregister_sockopt(&so_set);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ DP("these are the famous last words");
-+}
-+
-+EXPORT_SYMBOL(ip_set_register_set_type);
-+EXPORT_SYMBOL(ip_set_unregister_set_type);
-+
-+EXPORT_SYMBOL(ip_set_get_byname);
-+EXPORT_SYMBOL(ip_set_get_byindex);
-+EXPORT_SYMBOL(ip_set_put);
-+
-+EXPORT_SYMBOL(ip_set_addip_kernel);
-+EXPORT_SYMBOL(ip_set_delip_kernel);
-+EXPORT_SYMBOL(ip_set_testip_kernel);
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iphash.c
-@@ -0,0 +1,379 @@
-+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <asm/softirq.h>
-+#include <linux/spinlock.h>
-+#include <linux/vmalloc.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+#include <linux/netfilter_ipv4/ip_set_iphash.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/netfilter_ipv4/ip_set_prime.h>
-+
-+static inline __u32
-+jhash_ip(const struct ip_set_iphash *map, ip_set_ip_t ip)
-+{
-+ return jhash_1word(ip, map->initval);
-+}
-+
-+static inline __u32
-+randhash_ip(const struct ip_set_iphash *map, ip_set_ip_t ip)
-+{
-+ return (1 + ip % map->prime);
-+}
-+
-+static inline __u32
-+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ __u32 jhash, randhash, id;
-+ u_int16_t i;
-+
-+ *hash_ip = ip & map->netmask;
-+ jhash = jhash_ip(map, *hash_ip);
-+ randhash = randhash_ip(map, *hash_ip);
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = (jhash + i * randhash) % map->hashsize;
-+ DP("hash key: %u", id);
-+ if (map->members[id] == *hash_ip)
-+ return id;
-+ /* No shortcut at testing - there can be deleted
-+ * entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ return (hash_id(set, ip, hash_ip) != UINT_MAX);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iphash *req =
-+ (struct ip_set_req_iphash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iphash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __testip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+static inline int
-+__addip(struct ip_set_iphash *map, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ __u32 jhash, randhash, probe;
-+ u_int16_t i;
-+
-+ *hash_ip = ip & map->netmask;
-+ jhash = jhash_ip(map, *hash_ip);
-+ randhash = randhash_ip(map, *hash_ip);
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = (jhash + i * randhash) % map->hashsize;
-+ if (map->members[probe] == *hash_ip)
-+ return -EEXIST;
-+ if (!map->members[probe]) {
-+ map->members[probe] = *hash_ip;
-+ return 0;
-+ }
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iphash *req =
-+ (struct ip_set_req_iphash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iphash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __addip((struct ip_set_iphash *) set->data, req->ip, hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __addip((struct ip_set_iphash *) set->data,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+static int retry(struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ ip_set_ip_t hash_ip, *members;
-+ u_int32_t i, hashsize;
-+ unsigned newbytes;
-+ int res;
-+ struct ip_set_iphash tmp = {
-+ .hashsize = map->hashsize,
-+ .probes = map->probes,
-+ .resize = map->resize,
-+ .netmask = map->netmask,
-+ };
-+
-+ if (map->resize == 0)
-+ return -ERANGE;
-+
-+ again:
-+ res = 0;
-+
-+ /* Calculate new parameters */
-+ get_random_bytes(&tmp.initval, 4);
-+ hashsize = tmp.hashsize + (tmp.hashsize * map->resize)/100;
-+ if (hashsize == tmp.hashsize)
-+ hashsize++;
-+ tmp.prime = make_prime(hashsize);
-+
-+ ip_set_printk("rehashing of set %s triggered: "
-+ "hashsize grows from %u to %u",
-+ set->name, tmp.hashsize, hashsize);
-+ tmp.hashsize = hashsize;
-+
-+ newbytes = hashsize * sizeof(ip_set_ip_t);
-+ tmp.members = ip_set_malloc(newbytes);
-+ if (!tmp.members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ return -ENOMEM;
-+ }
-+ memset(tmp.members, 0, newbytes);
-+
-+ write_lock_bh(&set->lock);
-+ map = (struct ip_set_iphash *) set->data; /* Play safe */
-+ for (i = 0; i < map->hashsize && res == 0; i++) {
-+ if (map->members[i])
-+ res = __addip(&tmp, map->members[i], &hash_ip);
-+ }
-+ if (res) {
-+ /* Failure, try again */
-+ write_unlock_bh(&set->lock);
-+ ip_set_free(tmp.members, newbytes);
-+ goto again;
-+ }
-+
-+ /* Success at resizing! */
-+ members = map->members;
-+ hashsize = map->hashsize;
-+
-+ map->initval = tmp.initval;
-+ map->prime = tmp.prime;
-+ map->hashsize = tmp.hashsize;
-+ map->members = tmp.members;
-+ write_unlock_bh(&set->lock);
-+
-+ ip_set_free(members, hashsize * sizeof(ip_set_ip_t));
-+
-+ return 0;
-+}
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ ip_set_ip_t id = hash_id(set, ip, hash_ip);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ map->members[id] = 0;
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iphash *req =
-+ (struct ip_set_req_iphash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iphash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __delip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ unsigned newbytes;
-+ struct ip_set_req_iphash_create *req =
-+ (struct ip_set_req_iphash_create *) data;
-+ struct ip_set_iphash *map;
-+
-+ if (size != sizeof(struct ip_set_req_iphash_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iphash_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ if (req->hashsize < 1) {
-+ ip_set_printk("hashsize too small");
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iphash), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_iphash));
-+ return -ENOMEM;
-+ }
-+ get_random_bytes(&map->initval, 4);
-+ map->prime = make_prime(req->hashsize);
-+ map->hashsize = req->hashsize;
-+ map->probes = req->probes;
-+ map->resize = req->resize;
-+ map->netmask = req->netmask;
-+ newbytes = map->hashsize * sizeof(ip_set_ip_t);
-+ map->members = ip_set_malloc(newbytes);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+
-+ ip_set_free(map->members, map->hashsize * sizeof(ip_set_ip_t));
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ memset(map->members, 0, map->hashsize * sizeof(ip_set_ip_t));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ struct ip_set_req_iphash_create *header =
-+ (struct ip_set_req_iphash_create *) data;
-+
-+ header->hashsize = map->hashsize;
-+ header->probes = map->probes;
-+ header->resize = map->resize;
-+ header->netmask = map->netmask;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+
-+ return (map->hashsize * sizeof(ip_set_ip_t));
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iphash *map = (struct ip_set_iphash *) set->data;
-+ int bytes = map->hashsize * sizeof(ip_set_ip_t);
-+
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_iphash = {
-+ .typename = SETTYPE_NAME,
-+ .typecode = IPSET_TYPE_IP,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_iphash),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .retry = &retry,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_iphash_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iphash type of IP sets");
-+
-+static int __init init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_iphash);
-+}
-+
-+static void __exit fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iphash);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipmap.c
-@@ -0,0 +1,314 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the single bitmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <asm/softirq.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
-+
-+static inline ip_set_ip_t
-+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
-+{
-+ return (ip - map->first_ip)/map->hosts;
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return !!test_bit(ip_to_id(map, *hash_ip), map->members);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipmap *req =
-+ (struct ip_set_req_ipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ u_int32_t flags,
-+ ip_set_ip_t *hash_ip)
-+{
-+ int res;
-+
-+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
-+ flags & IPSET_SRC ? "SRC" : "DST",
-+ NIPQUAD(skb->nh.iph->saddr),
-+ NIPQUAD(skb->nh.iph->daddr));
-+
-+ res = __testip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+ return (res < 0 ? 0 : res);
-+}
-+
-+static inline int
-+__addip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipmap *req =
-+ (struct ip_set_req_ipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ DP("%u.%u.%u.%u", HIPQUAD(req->ip));
-+ return __addip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __addip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_ipmap *req =
-+ (struct ip_set_req_ipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __delip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ int newbytes;
-+ struct ip_set_req_ipmap_create *req =
-+ (struct ip_set_req_ipmap_create *) data;
-+ struct ip_set_ipmap *map;
-+
-+ if (size != sizeof(struct ip_set_req_ipmap_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_ipmap_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ DP("from %u.%u.%u.%u to %u.%u.%u.%u",
-+ HIPQUAD(req->from), HIPQUAD(req->to));
-+
-+ if (req->from > req->to) {
-+ DP("bad ip range");
-+ return -ENOEXEC;
-+ }
-+
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big (max %d addresses)",
-+ MAX_RANGE);
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_ipmap), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_ipmap));
-+ return -ENOMEM;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ map->netmask = req->netmask;
-+
-+ if (req->netmask == 0xFFFFFFFF) {
-+ map->hosts = 1;
-+ map->sizeid = map->last_ip - map->first_ip + 1;
-+ } else {
-+ unsigned int mask_bits, netmask_bits;
-+ ip_set_ip_t mask;
-+
-+ map->first_ip &= map->netmask; /* Should we better bark? */
-+
-+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
-+ netmask_bits = mask_to_bits(map->netmask);
-+
-+ if (!mask || netmask_bits <= mask_bits)
-+ return -ENOEXEC;
-+
-+ map->hosts = 2 << (32 - netmask_bits - 1);
-+ map->sizeid = 2 << (netmask_bits - mask_bits - 1);
-+ }
-+ newbytes = bitmap_bytes(0, map->sizeid - 1);
-+ map->members = kmalloc(newbytes, GFP_KERNEL);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ kfree(map->members);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+ memset(map->members, 0, bitmap_bytes(0, map->sizeid - 1));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+ struct ip_set_req_ipmap_create *header =
-+ (struct ip_set_req_ipmap_create *) data;
-+
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+ header->netmask = map->netmask;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+
-+ return bitmap_bytes(0, map->sizeid - 1);
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_ipmap *map = (struct ip_set_ipmap *) set->data;
-+ int bytes = bitmap_bytes(0, map->sizeid - 1);
-+
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_ipmap = {
-+ .typename = SETTYPE_NAME,
-+ .typecode = IPSET_TYPE_IP,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_ipmap),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_ipmap_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipmap type of IP sets");
-+
-+static int __init init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_ipmap);
-+}
-+
-+static void __exit fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_ipmap);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptree.c
-@@ -0,0 +1,511 @@
-+/* Copyright (C) 2005 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the iptree type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/interrupt.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_iptree.h>
-+
-+/* Garbage collection interval in seconds: */
-+#define IPTREE_GC_TIME 5*60
-+/* Sleep so many milliseconds before trying again
-+ * to delete the gc timer at destroying a set */
-+#define IPTREE_DESTROY_SLEEP 100
-+
-+static kmem_cache_t *branch_cachep;
-+static kmem_cache_t *leaf_cachep;
-+
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[3]; \
-+ b = ((unsigned char *)addrp)[2]; \
-+ c = ((unsigned char *)addrp)[1]; \
-+ d = ((unsigned char *)addrp)[0]; \
-+} while (0)
-+
-+#define TESTIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return 0; \
-+} while (0)
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
-+ TESTIP_WALK(map, a, btree);
-+ TESTIP_WALK(btree, b, ctree);
-+ TESTIP_WALK(ctree, c, dtree);
-+ DP("%lu %lu", dtree->expires[d], jiffies);
-+ return !!(map->timeout ? (time_after(dtree->expires[d], jiffies))
-+ : dtree->expires[d]);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iptree *req =
-+ (struct ip_set_req_iptree *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptree)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ u_int32_t flags,
-+ ip_set_ip_t *hash_ip)
-+{
-+ int res;
-+
-+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
-+ flags & IPSET_SRC ? "SRC" : "DST",
-+ NIPQUAD(skb->nh.iph->saddr),
-+ NIPQUAD(skb->nh.iph->daddr));
-+
-+ res = __testip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+ return (res < 0 ? 0 : res);
-+}
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \
-+ if ((map)->tree[elem]) { \
-+ DP("found %u", elem); \
-+ branch = (map)->tree[elem]; \
-+ } else { \
-+ branch = (type *) \
-+ kmem_cache_alloc(cachep, GFP_KERNEL); \
-+ if (branch == NULL) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ DP("alloc %u", elem); \
-+ } \
-+} while (0)
-+
-+static inline int
-+__addip(struct ip_set *set, ip_set_ip_t ip, unsigned int timeout,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ int ret = 0;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ ret = -EEXIST;
-+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
-+ DP("%u %lu", d, dtree->expires[d]);
-+ return ret;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_req_iptree *req =
-+ (struct ip_set_req_iptree *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptree)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree),
-+ size);
-+ return -EINVAL;
-+ }
-+ DP("%u.%u.%u.%u %u", HIPQUAD(req->ip), req->timeout);
-+ return __addip(set, req->ip,
-+ req->timeout ? req->timeout : map->timeout,
-+ hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+
-+ return __addip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ map->timeout,
-+ hash_ip);
-+}
-+
-+#define DELIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return -EEXIST; \
-+} while (0)
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DELIP_WALK(map, a, btree);
-+ DELIP_WALK(btree, b, ctree);
-+ DELIP_WALK(ctree, c, dtree);
-+
-+ if (dtree->expires[d]) {
-+ dtree->expires[d] = 0;
-+ return 0;
-+ }
-+ return -EEXIST;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_iptree *req =
-+ (struct ip_set_req_iptree *) data;
-+
-+ if (size != sizeof(struct ip_set_req_iptree)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __delip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 255; i++) { \
-+ if (!(map)->tree[i]) \
-+ continue; \
-+ branch = (map)->tree[i]
-+
-+#define LOOP_WALK_END }
-+
-+static void ip_tree_gc(unsigned long ul_set)
-+{
-+ struct ip_set *set = (void *) ul_set;
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ unsigned char i,j,k;
-+
-+ i = j = k = 0;
-+ DP("gc: %s", set->name);
-+ write_lock_bh(&set->lock);
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 255; d++) {
-+ if (dtree->expires[d]) {
-+ DP("gc: %u %u %u %u: expires %lu jiffies %lu",
-+ a, b, c, d,
-+ dtree->expires[d], jiffies);
-+ if (map->timeout
-+ && time_before(dtree->expires[d], jiffies))
-+ dtree->expires[d] = 0;
-+ else
-+ k = 1;
-+ }
-+ }
-+ if (k == 0) {
-+ DP("gc: %s: leaf %u %u %u empty",
-+ set->name, a, b, c);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ ctree->tree[c] = NULL;
-+ } else {
-+ DP("gc: %s: leaf %u %u %u not empty",
-+ set->name, a, b, c);
-+ j = 1;
-+ k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (j == 0) {
-+ DP("gc: %s: branch %u %u empty",
-+ set->name, a, b);
-+ kmem_cache_free(branch_cachep, ctree);
-+ btree->tree[b] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u %u not empty",
-+ set->name, a, b);
-+ i = 1;
-+ j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (i == 0) {
-+ DP("gc: %s: branch %u empty",
-+ set->name, a);
-+ kmem_cache_free(branch_cachep, btree);
-+ map->tree[a] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u not empty",
-+ set->name, a);
-+ i = j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ struct ip_set_req_iptree_create *req =
-+ (struct ip_set_req_iptree_create *) data;
-+ struct ip_set_iptree *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptree_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_iptree_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_iptree));
-+ return -ENOMEM;
-+ }
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = req->timeout;
-+ set->data = map;
-+
-+ /* If there is no timeout for the entries,
-+ * we still have to call gc because delete
-+ * do not clean up empty branches */
-+ map->gc_interval = IPTREE_GC_TIME;
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = ip_tree_gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+
-+ return 0;
-+}
-+
-+static void __flush(struct ip_set_iptree *map)
-+{
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, ctree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, btree);
-+ LOOP_WALK_END;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ unsigned int timeout = map->timeout;
-+
-+ __flush(map);
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = timeout;
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_req_iptree_create *header =
-+ (struct ip_set_req_iptree_create *) data;
-+
-+ header->timeout = map->timeout;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ unsigned int count = 0;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 255; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ count++;
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+
-+ DP("members %u", count);
-+ return (count * sizeof(struct ip_set_req_iptree));
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptree *map = (struct ip_set_iptree *) set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ size_t offset = 0;
-+ struct ip_set_req_iptree *entry;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 255; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
-+ entry = (struct ip_set_req_iptree *)(data + offset);
-+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ entry->timeout = !map->timeout ? 0
-+ : (dtree->expires[d] - jiffies)/HZ;
-+ offset += sizeof(struct ip_set_req_iptree);
-+ }
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+}
-+
-+static struct ip_set_type ip_set_iptree = {
-+ .typename = SETTYPE_NAME,
-+ .typecode = IPSET_TYPE_IP,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_iptree),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_iptree_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptree type of IP sets");
-+
-+static int __init init(void)
-+{
-+ int ret;
-+
-+ branch_cachep = kmem_cache_create("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb),
-+ 0, 0, NULL, NULL);
-+ if (!branch_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ leaf_cachep = kmem_cache_create("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed),
-+ 0, 0, NULL, NULL);
-+ if (!leaf_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
-+ ret = -ENOMEM;
-+ goto free_branch;
-+ }
-+ ret = ip_set_register_set_type(&ip_set_iptree);
-+ if (ret == 0)
-+ goto out;
-+
-+ kmem_cache_destroy(leaf_cachep);
-+ free_branch:
-+ kmem_cache_destroy(branch_cachep);
-+ out:
-+ return ret;
-+}
-+
-+static void __exit fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iptree);
-+ kmem_cache_destroy(leaf_cachep);
-+ kmem_cache_destroy(branch_cachep);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_macipmap.c
-@@ -0,0 +1,340 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the macipmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <asm/softirq.h>
-+#include <linux/spinlock.h>
-+#include <linux/if_ether.h>
-+#include <linux/vmalloc.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_macipmap *map = (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table = (struct ip_set_macip *) map->members;
-+ struct ip_set_req_macipmap *req = (struct ip_set_req_macipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ if (req->ip < map->first_ip || req->ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = req->ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));
-+ if (test_bit(IPSET_MACIP_ISSET,
-+ &table[req->ip - map->first_ip].flags)) {
-+ return (memcmp(req->ethernet,
-+ &table[req->ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0);
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table =
-+ (struct ip_set_macip *) map->members;
-+ ip_set_ip_t ip;
-+
-+ ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+ DP("flag: %s src: %u.%u.%u.%u dst: %u.%u.%u.%u",
-+ flags & IPSET_SRC ? "SRC" : "DST",
-+ NIPQUAD(skb->nh.iph->saddr),
-+ NIPQUAD(skb->nh.iph->daddr));
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return 0;
-+
-+ *hash_ip = ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_bit(IPSET_MACIP_ISSET, &table[ip - map->first_ip].flags)) {
-+ /* Is mac pointer valid?
-+ * If so, compare... */
-+ return (skb->mac.raw >= skb->head
-+ && (skb->mac.raw + ETH_HLEN) <= skb->data
-+ && (memcmp(skb->mac.ethernet->h_source,
-+ &table[ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0));
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+/* returns 0 on success */
-+static inline int
-+__addip(struct ip_set *set,
-+ ip_set_ip_t ip, unsigned char *ethernet, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table =
-+ (struct ip_set_macip *) map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (test_and_set_bit(IPSET_MACIP_ISSET,
-+ &table[ip - map->first_ip].flags))
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
-+ return 0;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_macipmap *req =
-+ (struct ip_set_req_macipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __addip(set, req->ip, req->ethernet, hash_ip);
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ ip_set_ip_t ip;
-+
-+ ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+
-+ if (!(skb->mac.raw >= skb->head
-+ && (skb->mac.raw + ETH_HLEN) <= skb->data))
-+ return -EINVAL;
-+
-+ return __addip(set, ip, skb->mac.ethernet->h_source, hash_ip);
-+}
-+
-+static inline int
-+__delip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_macip *table =
-+ (struct ip_set_macip *) map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(IPSET_MACIP_ISSET,
-+ &table[ip - map->first_ip].flags))
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_macipmap *req =
-+ (struct ip_set_req_macipmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delip(set, req->ip, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __delip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+static inline size_t members_size(ip_set_id_t from, ip_set_id_t to)
-+{
-+ return (size_t)((to - from + 1) * sizeof(struct ip_set_macip));
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ int newbytes;
-+ struct ip_set_req_macipmap_create *req =
-+ (struct ip_set_req_macipmap_create *) data;
-+ struct ip_set_macipmap *map;
-+
-+ if (size != sizeof(struct ip_set_req_macipmap_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_macipmap_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ DP("from %u.%u.%u.%u to %u.%u.%u.%u",
-+ HIPQUAD(req->from), HIPQUAD(req->to));
-+
-+ if (req->from > req->to) {
-+ DP("bad ip range");
-+ return -ENOEXEC;
-+ }
-+
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big (max %d addresses)",
-+ MAX_RANGE);
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_macipmap), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_macipmap));
-+ return -ENOMEM;
-+ }
-+ map->flags = req->flags;
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ newbytes = members_size(map->first_ip, map->last_ip);
-+ map->members = ip_set_malloc(newbytes);
-+ DP("members: %u %p", newbytes, map->members);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+
-+ ip_set_free(map->members, members_size(map->first_ip, map->last_ip));
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ memset(map->members, 0, members_size(map->first_ip, map->last_ip));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+ struct ip_set_req_macipmap_create *header =
-+ (struct ip_set_req_macipmap_create *) data;
-+
-+ DP("list_header %x %x %u", map->first_ip, map->last_ip,
-+ map->flags);
-+
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+ header->flags = map->flags;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+
-+ DP("%u", members_size(map->first_ip, map->last_ip));
-+ return members_size(map->first_ip, map->last_ip);
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_macipmap *map =
-+ (struct ip_set_macipmap *) set->data;
-+
-+ int bytes = members_size(map->first_ip, map->last_ip);
-+
-+ DP("members: %u %p", bytes, map->members);
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_macipmap = {
-+ .typename = SETTYPE_NAME,
-+ .typecode = IPSET_TYPE_IP,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_macipmap),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_macipmap_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("macipmap type of IP sets");
-+
-+static int __init init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_macipmap);
-+}
-+
-+static void __exit fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_macipmap);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_nethash.c
-@@ -0,0 +1,450 @@
-+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a cidr nethash set */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <asm/softirq.h>
-+#include <linux/spinlock.h>
-+#include <linux/vmalloc.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+#include <linux/netfilter_ipv4/ip_set_nethash.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/netfilter_ipv4/ip_set_prime.h>
-+
-+static inline __u32
-+jhash_ip(const struct ip_set_nethash *map, ip_set_ip_t ip)
-+{
-+ return jhash_1word(ip, map->initval);
-+}
-+
-+static inline __u32
-+randhash_ip(const struct ip_set_nethash *map, ip_set_ip_t ip)
-+{
-+ return (1 + ip % map->prime);
-+}
-+
-+static inline __u32
-+hash_id_cidr(struct ip_set_nethash *map,
-+ ip_set_ip_t ip,
-+ unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ __u32 jhash, randhash, id;
-+ u_int16_t i;
-+
-+ *hash_ip = pack(ip, cidr);
-+ jhash = jhash_ip(map, *hash_ip);
-+ randhash = randhash_ip(map, *hash_ip);
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = (jhash + i * randhash) % map->hashsize;
-+ DP("hash key: %u", id);
-+ if (map->members[id] == *hash_ip)
-+ return id;
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+hash_id(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = hash_id_cidr(map, ip, map->cidr[i], hash_ip);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+__testip_cidr(struct ip_set *set, ip_set_ip_t ip, unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+
-+ return (hash_id_cidr(map, ip, cidr, hash_ip) != UINT_MAX);
-+}
-+
-+static inline int
-+__testip(struct ip_set *set, ip_set_ip_t ip, ip_set_ip_t *hash_ip)
-+{
-+ return (hash_id(set, ip, hash_ip) != UINT_MAX);
-+}
-+
-+static int
-+testip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_nethash *req =
-+ (struct ip_set_req_nethash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_nethash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash),
-+ size);
-+ return -EINVAL;
-+ }
-+ return (req->cidr == 32 ? __testip(set, req->ip, hash_ip)
-+ : __testip_cidr(set, req->ip, req->cidr, hash_ip));
-+}
-+
-+static int
-+testip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ return __testip(set,
-+ ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr),
-+ hash_ip);
-+}
-+
-+static inline int
-+__addip_base(struct ip_set_nethash *map, ip_set_ip_t ip)
-+{
-+ __u32 jhash, randhash, probe;
-+ u_int16_t i;
-+
-+ jhash = jhash_ip(map, ip);
-+ randhash = randhash_ip(map, ip);
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = (jhash + i * randhash) % map->hashsize;
-+ if (map->members[probe] == ip)
-+ return -EEXIST;
-+ if (!map->members[probe]) {
-+ map->members[probe] = ip;
-+ return 0;
-+ }
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__addip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ *hash_ip = pack(ip, cidr);
-+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
-+
-+ return __addip_base(map, *hash_ip);
-+}
-+
-+static void
-+update_cidr_sizes(struct ip_set_nethash *map, unsigned char cidr)
-+{
-+ unsigned char next;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ if (map->cidr[i] == cidr) {
-+ return;
-+ } else if (map->cidr[i] < cidr) {
-+ next = map->cidr[i];
-+ map->cidr[i] = cidr;
-+ cidr = next;
-+ }
-+ }
-+ if (i < 30)
-+ map->cidr[i] = cidr;
-+}
-+
-+static int
-+addip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_nethash *req =
-+ (struct ip_set_req_nethash *) data;
-+ int ret;
-+
-+ if (size != sizeof(struct ip_set_req_nethash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash),
-+ size);
-+ return -EINVAL;
-+ }
-+ ret = __addip((struct ip_set_nethash *) set->data,
-+ req->ip, req->cidr, hash_ip);
-+
-+ if (ret == 0)
-+ update_cidr_sizes((struct ip_set_nethash *) set->data,
-+ req->cidr);
-+
-+ return ret;
-+}
-+
-+static int
-+addip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ int ret = -ERANGE;
-+ ip_set_ip_t ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+
-+ if (map->cidr[0])
-+ ret = __addip(map, ip, map->cidr[0], hash_ip);
-+
-+ return ret;
-+}
-+
-+static int retry(struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ ip_set_ip_t *members;
-+ u_int32_t i, hashsize;
-+ unsigned newbytes;
-+ int res;
-+ struct ip_set_nethash tmp = {
-+ .hashsize = map->hashsize,
-+ .probes = map->probes,
-+ .resize = map->resize
-+ };
-+
-+ if (map->resize == 0)
-+ return -ERANGE;
-+
-+ memcpy(tmp.cidr, map->cidr, 30 * sizeof(unsigned char));
-+ again:
-+ res = 0;
-+
-+ /* Calculate new parameters */
-+ get_random_bytes(&tmp.initval, 4);
-+ hashsize = tmp.hashsize + (tmp.hashsize * map->resize)/100;
-+ if (hashsize == tmp.hashsize)
-+ hashsize++;
-+ tmp.prime = make_prime(hashsize);
-+
-+ ip_set_printk("rehashing of set %s triggered: "
-+ "hashsize grows from %u to %u",
-+ set->name, tmp.hashsize, hashsize);
-+ tmp.hashsize = hashsize;
-+
-+ newbytes = hashsize * sizeof(ip_set_ip_t);
-+ tmp.members = ip_set_malloc(newbytes);
-+ if (!tmp.members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ return -ENOMEM;
-+ }
-+ memset(tmp.members, 0, newbytes);
-+
-+ write_lock_bh(&set->lock);
-+ map = (struct ip_set_nethash *) set->data; /* Play safe */
-+ for (i = 0; i < map->hashsize && res == 0; i++) {
-+ if (map->members[i])
-+ res = __addip_base(&tmp, map->members[i]);
-+ }
-+ if (res) {
-+ /* Failure, try again */
-+ write_unlock_bh(&set->lock);
-+ ip_set_free(tmp.members, newbytes);
-+ goto again;
-+ }
-+
-+ /* Success at resizing! */
-+ members = map->members;
-+ hashsize = map->hashsize;
-+
-+ map->initval = tmp.initval;
-+ map->prime = tmp.prime;
-+ map->hashsize = tmp.hashsize;
-+ map->members = tmp.members;
-+ write_unlock_bh(&set->lock);
-+
-+ ip_set_free(members, hashsize * sizeof(ip_set_ip_t));
-+
-+ return 0;
-+}
-+
-+static inline int
-+__delip(struct ip_set_nethash *map, ip_set_ip_t ip, unsigned char cidr,
-+ ip_set_ip_t *hash_ip)
-+{
-+ ip_set_ip_t id = hash_id_cidr(map, ip, cidr, hash_ip);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ map->members[id] = 0;
-+ return 0;
-+}
-+
-+static int
-+delip(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_req_nethash *req =
-+ (struct ip_set_req_nethash *) data;
-+
-+ if (size != sizeof(struct ip_set_req_nethash)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash),
-+ size);
-+ return -EINVAL;
-+ }
-+ /* TODO: no garbage collection in map->cidr */
-+ return __delip((struct ip_set_nethash *) set->data,
-+ req->ip, req->cidr, hash_ip);
-+}
-+
-+static int
-+delip_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ int ret = -ERANGE;
-+ ip_set_ip_t ip = ntohl(flags & IPSET_SRC ? skb->nh.iph->saddr
-+ : skb->nh.iph->daddr);
-+
-+ if (map->cidr[0])
-+ ret = __delip(map, ip, map->cidr[0], hash_ip);
-+
-+ return ret;
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ unsigned newbytes;
-+ struct ip_set_req_nethash_create *req =
-+ (struct ip_set_req_nethash_create *) data;
-+ struct ip_set_nethash *map;
-+
-+ if (size != sizeof(struct ip_set_req_nethash_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_nethash_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ if (req->hashsize < 1) {
-+ ip_set_printk("hashsize too small");
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_nethash), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_nethash));
-+ return -ENOMEM;
-+ }
-+ get_random_bytes(&map->initval, 4);
-+ map->prime = make_prime(req->hashsize);
-+ map->hashsize = req->hashsize;
-+ map->probes = req->probes;
-+ map->resize = req->resize;
-+ memset(map->cidr, 0, 30 * sizeof(unsigned char));
-+ newbytes = map->hashsize * sizeof(ip_set_ip_t);
-+ map->members = ip_set_malloc(newbytes);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+
-+ ip_set_free(map->members, map->hashsize * sizeof(ip_set_ip_t));
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ memset(map->members, 0, map->hashsize * sizeof(ip_set_ip_t));
-+ memset(map->cidr, 0, 30 * sizeof(unsigned char));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ struct ip_set_req_nethash_create *header =
-+ (struct ip_set_req_nethash_create *) data;
-+
-+ header->hashsize = map->hashsize;
-+ header->probes = map->probes;
-+ header->resize = map->resize;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+
-+ return (map->hashsize * sizeof(ip_set_ip_t));
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_nethash *map = (struct ip_set_nethash *) set->data;
-+ int bytes = map->hashsize * sizeof(ip_set_ip_t);
-+
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_nethash = {
-+ .typename = SETTYPE_NAME,
-+ .typecode = IPSET_TYPE_IP,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_nethash),
-+ .addip = &addip,
-+ .addip_kernel = &addip_kernel,
-+ .retry = &retry,
-+ .delip = &delip,
-+ .delip_kernel = &delip_kernel,
-+ .testip = &testip,
-+ .testip_kernel = &testip_kernel,
-+ .header_size = sizeof(struct ip_set_req_nethash_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("nethash type of IP sets");
-+
-+static int __init init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_nethash);
-+}
-+
-+static void __exit fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_nethash);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_portmap.c
-@@ -0,0 +1,321 @@
-+/* Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a port set type as a bitmap */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <asm/softirq.h>
-+#include <linux/spinlock.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_portmap.h>
-+
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+ struct iphdr *iph = skb->nh.iph;
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr *tcph = (struct tcphdr *)((u_int32_t *)iph + iph->ihl);
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset != 0
-+ || (offset == 0
-+ && (skb->len - iph->ihl * 4) < sizeof(struct tcphdr)))
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph->source : tcph->dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr *udph = (struct udphdr *)((u_int32_t *)iph + iph->ihl);
-+
-+ if (offset != 0
-+ || (offset == 0
-+ && (skb->len - iph->ihl * 4) < sizeof(struct udphdr)))
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph->source : udph->dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+
-+static inline int
-+__testport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ if (port < map->first_port || port > map->last_port)
-+ return -ERANGE;
-+
-+ *hash_port = port;
-+ DP("set: %s, port:%u, %u", set->name, port, *hash_port);
-+ return !!test_bit(port - map->first_port, map->members);
-+}
-+
-+static int
-+testport(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_req_portmap *req =
-+ (struct ip_set_req_portmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_portmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __testport(set, req->port, hash_port);
-+}
-+
-+static int
-+testport_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_port)
-+{
-+ int res;
-+ ip_set_ip_t port = get_port(skb, flags);
-+
-+ DP("flag %s port %u", flags & IPSET_SRC ? "SRC" : "DST", port);
-+ if (port == INVALID_PORT)
-+ return 0;
-+
-+ res = __testport(set, port, hash_port);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+static inline int
-+__addport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ if (port < map->first_port || port > map->last_port)
-+ return -ERANGE;
-+ if (test_and_set_bit(port - map->first_port, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+static int
-+addport(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_req_portmap *req =
-+ (struct ip_set_req_portmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_portmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __addport(set, req->port, hash_port);
-+}
-+
-+static int
-+addport_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_port)
-+{
-+ ip_set_ip_t port = get_port(skb, flags);
-+
-+ if (port == INVALID_PORT)
-+ return -EINVAL;
-+
-+ return __addport(set, port, hash_port);
-+}
-+
-+static inline int
-+__delport(struct ip_set *set, ip_set_ip_t port, ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ if (port < map->first_port || port > map->last_port)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(port - map->first_port, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+static int
-+delport(struct ip_set *set, const void *data, size_t size,
-+ ip_set_ip_t *hash_port)
-+{
-+ struct ip_set_req_portmap *req =
-+ (struct ip_set_req_portmap *) data;
-+
-+ if (size != sizeof(struct ip_set_req_portmap)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap),
-+ size);
-+ return -EINVAL;
-+ }
-+ return __delport(set, req->port, hash_port);
-+}
-+
-+static int
-+delport_kernel(struct ip_set *set, const struct sk_buff *skb,
-+ u_int32_t flags, ip_set_ip_t *hash_port)
-+{
-+ ip_set_ip_t port = get_port(skb, flags);
-+
-+ if (port == INVALID_PORT)
-+ return -EINVAL;
-+
-+ return __delport(set, port, hash_port);
-+}
-+
-+static int create(struct ip_set *set, const void *data, size_t size)
-+{
-+ int newbytes;
-+ struct ip_set_req_portmap_create *req =
-+ (struct ip_set_req_portmap_create *) data;
-+ struct ip_set_portmap *map;
-+
-+ if (size != sizeof(struct ip_set_req_portmap_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %zu)",
-+ sizeof(struct ip_set_req_portmap_create),
-+ size);
-+ return -EINVAL;
-+ }
-+
-+ DP("from %u to %u", req->from, req->to);
-+
-+ if (req->from > req->to) {
-+ DP("bad port range");
-+ return -ENOEXEC;
-+ }
-+
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big (max %d ports)",
-+ MAX_RANGE);
-+ return -ENOEXEC;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_portmap), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %d bytes",
-+ sizeof(struct ip_set_portmap));
-+ return -ENOMEM;
-+ }
-+ map->first_port = req->from;
-+ map->last_port = req->to;
-+ newbytes = bitmap_bytes(req->from, req->to);
-+ map->members = kmalloc(newbytes, GFP_KERNEL);
-+ if (!map->members) {
-+ DP("out of memory for %d bytes", newbytes);
-+ kfree(map);
-+ return -ENOMEM;
-+ }
-+ memset(map->members, 0, newbytes);
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void destroy(struct ip_set *set)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ kfree(map->members);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void flush(struct ip_set *set)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+ memset(map->members, 0, bitmap_bytes(map->first_port, map->last_port));
-+}
-+
-+static void list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+ struct ip_set_req_portmap_create *header =
-+ (struct ip_set_req_portmap_create *) data;
-+
-+ DP("list_header %u %u", map->first_port, map->last_port);
-+
-+ header->from = map->first_port;
-+ header->to = map->last_port;
-+}
-+
-+static int list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+
-+ return bitmap_bytes(map->first_port, map->last_port);
-+}
-+
-+static void list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_portmap *map = (struct ip_set_portmap *) set->data;
-+ int bytes = bitmap_bytes(map->first_port, map->last_port);
-+
-+ memcpy(data, map->members, bytes);
-+}
-+
-+static struct ip_set_type ip_set_portmap = {
-+ .typename = SETTYPE_NAME,
-+ .typecode = IPSET_TYPE_PORT,
-+ .protocol_version = IP_SET_PROTOCOL_VERSION,
-+ .create = &create,
-+ .destroy = &destroy,
-+ .flush = &flush,
-+ .reqsize = sizeof(struct ip_set_req_portmap),
-+ .addip = &addport,
-+ .addip_kernel = &addport_kernel,
-+ .delip = &delport,
-+ .delip_kernel = &delport_kernel,
-+ .testip = &testport,
-+ .testip_kernel = &testport_kernel,
-+ .header_size = sizeof(struct ip_set_req_portmap_create),
-+ .list_header = &list_header,
-+ .list_members_size = &list_members_size,
-+ .list_members = &list_members,
-+ .me = THIS_MODULE,
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("portmap type of IP sets");
-+
-+static int __init init(void)
-+{
-+ return ip_set_register_set_type(&ip_set_portmap);
-+}
-+
-+static void __exit fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_portmap);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_set.c
-@@ -0,0 +1,114 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module to match an IP set. */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static inline int
-+match_set(const struct ipt_set_info *info,
-+ const struct sk_buff *skb,
-+ int inv)
-+{
-+ if (ip_set_testip_kernel(info->index, skb, info->flags))
-+ inv = !inv;
-+ return inv;
-+}
-+
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ const void *hdr,
-+ u_int16_t datalen,
-+ int *hotdrop)
-+{
-+ const struct ipt_set_info_match *info = matchinfo;
-+
-+ return match_set(&info->match_set,
-+ skb,
-+ info->match_set.flags[0] & IPSET_MATCH_INV);
-+}
-+
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_ip *ip,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+{
-+ struct ipt_set_info_match *info =
-+ (struct ipt_set_info_match *) matchinfo;
-+ ip_set_id_t index;
-+
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return 0;
-+ }
-+
-+ index = ip_set_get_byindex(info->match_set.index);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("Cannot find set indentified by id %u to match",
-+ info->match_set.index);
-+ return 0; /* error */
-+ }
-+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+static void destroy(void *matchinfo, unsigned int matchsize)
-+{
-+ struct ipt_set_info_match *info = matchinfo;
-+
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return;
-+ }
-+
-+ ip_set_put(info->match_set.index);
-+}
-+
-+static struct ipt_match set_match = {
-+ .name = "set",
-+ .match = &match,
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set match module");
-+
-+static int __init init(void)
-+{
-+ return ipt_register_match(&set_match);
-+}
-+
-+static void __exit fini(void)
-+{
-+ ipt_unregister_match(&set_match);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_SET.c
-@@ -0,0 +1,127 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* ipt_SET.c - netfilter target to manipulate IP sets */
-+
-+#include <linux/types.h>
-+#include <linux/ip.h>
-+#include <linux/timer.h>
-+#include <linux/module.h>
-+#include <linux/netfilter.h>
-+#include <linux/netdevice.h>
-+#include <linux/if.h>
-+#include <linux/inetdevice.h>
-+#include <net/protocol.h>
-+#include <net/checksum.h>
-+#include <linux/netfilter_ipv4.h>
-+#include <linux/netfilter_ipv4/ip_nat_rule.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static unsigned int
-+target(struct sk_buff **pskb,
-+ unsigned int hooknum,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *targinfo,
-+ void *userinfo)
-+{
-+ const struct ipt_set_info_target *info = targinfo;
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_addip_kernel(info->add_set.index,
-+ *pskb,
-+ info->add_set.flags);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_delip_kernel(info->del_set.index,
-+ *pskb,
-+ info->del_set.flags);
-+
-+ return IPT_CONTINUE;
-+}
-+
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_entry *e,
-+ void *targinfo,
-+ unsigned int targinfosize, unsigned int hook_mask)
-+{
-+ struct ipt_set_info_target *info =
-+ (struct ipt_set_info_target *) targinfo;
-+ ip_set_id_t index;
-+
-+ if (targinfosize != IPT_ALIGN(sizeof(*info))) {
-+ DP("bad target info size %u", targinfosize);
-+ return 0;
-+ }
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->add_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find add_set index %u as target",
-+ info->add_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+
-+ if (info->del_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->del_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find del_set index %u as target",
-+ info->del_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0
-+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+ return 1;
-+}
-+
-+static void destroy(void *targetinfo, unsigned int targetsize)
-+{
-+ struct ipt_set_info_target *info = targetinfo;
-+
-+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) {
-+ ip_set_printk("invalid targetsize %d", targetsize);
-+ return;
-+ }
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_put(info->add_set.index);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_put(info->del_set.index);
-+}
-+
-+static struct ipt_target SET_target = {
-+ .name = "SET",
-+ .target = target,
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set target module");
-+
-+static int __init init(void)
-+{
-+ return ipt_register_target(&SET_target);
-+}
-+
-+static void __exit fini(void)
-+{
-+ ipt_unregister_target(&SET_target);
-+}
-+
-+module_init(init);
-+module_exit(fini);
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -66,6 +66,18 @@ obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o
- obj-$(CONFIG_IP_NF_MATCH_HELPER) += ipt_helper.o
- obj-$(CONFIG_IP_NF_MATCH_LIMIT) += ipt_limit.o
- obj-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark.o
-+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
-+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
-+ifdef CONFIG_IP_NF_SET
-+ obj-$(CONFIG_IP_NF_SET) += ip_set.o
-+ export-objs += ip_set.o
-+endif
-+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
-+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
-+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
-+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
-+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
-+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
- obj-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac.o
- obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o
-
+#endif /*_IPT_STRING_H*/
--- a/net/ipv4/netfilter/Config.in
+++ b/net/ipv4/netfilter/Config.in
-@@ -61,6 +61,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+@@ -47,6 +47,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
fi
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
dep_tristate ' Unclean match support (EXPERIMENTAL)' CONFIG_IP_NF_MATCH_UNCLEAN $CONFIG_IP_NF_IPTABLES
+module_exit(fini);
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
-@@ -99,6 +99,7 @@ obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_s
+@@ -87,6 +87,7 @@ obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_s
obj-$(CONFIG_IP_NF_MATCH_CONNMARK) += ipt_connmark.o
obj-$(CONFIG_IP_NF_MATCH_CONNTRACK) += ipt_conntrack.o
obj-$(CONFIG_IP_NF_MATCH_UNCLEAN) += ipt_unclean.o
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
-@@ -97,6 +97,7 @@ obj-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_
+@@ -85,6 +85,7 @@ obj-$(CONFIG_IP_NF_MATCH_LENGTH) += ipt_
obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
obj-$(CONFIG_IP_NF_MATCH_STATE) += ipt_state.o
obj-$(CONFIG_IP_NF_MATCH_CONNMARK) += ipt_connmark.o
conntrack match support
CONFIG_IP_NF_MATCH_CONNTRACK
This is a general conntrack match module, a superset of the state match.
-@@ -3365,6 +3373,14 @@ CONFIG_IP6_NF_MATCH_MARK
+@@ -3296,6 +3304,14 @@ CONFIG_IP6_NF_MATCH_MARK
If you want to compile it as a module, say M here and read
<file:Documentation/modules.txt>. If unsure, say `N'.
+#endif
--- a/net/ipv4/netfilter/Config.in
+++ b/net/ipv4/netfilter/Config.in
-@@ -41,6 +41,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+@@ -27,6 +27,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES
dep_tristate ' Multiple port match support' CONFIG_IP_NF_MATCH_MULTIPORT $CONFIG_IP_NF_IPTABLES
dep_tristate ' TOS match support' CONFIG_IP_NF_MATCH_TOS $CONFIG_IP_NF_IPTABLES
dep_tristate ' peer to peer traffic match support' CONFIG_IP_NF_MATCH_IPP2P $CONFIG_IP_NF_IPTABLES
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
-@@ -85,6 +85,7 @@ obj-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt
+@@ -73,6 +73,7 @@ obj-$(CONFIG_IP_NF_MATCH_PKTTYPE) += ipt
obj-$(CONFIG_IP_NF_MATCH_MULTIPORT) += ipt_multiport.o
obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_owner.o
obj-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos.o
# The simple matches.
dep_tristate ' limit match support' CONFIG_IP_NF_MATCH_LIMIT $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' quota match support' CONFIG_IP_NF_MATCH_QUOTA $CONFIG_IP_NF_IPTABLES
-
- dep_tristate ' IP set support' CONFIG_IP_NF_SET $CONFIG_IP_NF_IPTABLES
- if [ "$CONFIG_IP_NF_SET" != "n" ]; then
+ dep_tristate ' MAC address match support' CONFIG_IP_NF_MATCH_MAC $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' Packet type match support' CONFIG_IP_NF_MATCH_PKTTYPE $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -65,6 +65,7 @@ obj-$(CONFIG_IP_NF_NAT) += iptable_nat.o
obj-$(CONFIG_IP_NF_MATCH_LIMIT) += ipt_limit.o
+obj-$(CONFIG_IP_NF_MATCH_QUOTA) += ipt_quota.o
obj-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark.o
- obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
- obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
+ obj-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac.o
+ obj-$(CONFIG_IP_NF_MATCH_IPP2P) += ipt_ipp2p.o
--- /dev/null
+++ b/net/ipv4/netfilter/ipt_quota.c
@@ -0,0 +1,88 @@
fi
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
-@@ -94,6 +95,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+@@ -80,6 +81,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
define_tristate CONFIG_IP_NF_NAT_AMANDA $CONFIG_IP_NF_NAT
fi
fi
fi
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
-@@ -102,6 +103,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+@@ -88,6 +89,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
define_tristate CONFIG_IP_NF_NAT_H323 $CONFIG_IP_NF_NAT
fi
fi
fi
if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
-@@ -110,6 +111,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+@@ -96,6 +97,13 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
define_tristate CONFIG_IP_NF_NAT_RTSP $CONFIG_IP_NF_NAT
fi
fi
MARK target support
CONFIG_IP_NF_TARGET_MARK
This option adds a `MARK' target, which allows you to create rules
-@@ -9931,6 +9947,20 @@ CONFIG_BONDING
+@@ -9862,6 +9878,20 @@ CONFIG_BONDING
say M here and read <file:Documentation/modules.txt>. The module
will be called bonding.o.
/**
--- a/net/ipv4/netfilter/Config.in
+++ b/net/ipv4/netfilter/Config.in
-@@ -155,6 +155,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+@@ -141,6 +141,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
dep_tristate ' DSCP target support' CONFIG_IP_NF_TARGET_DSCP $CONFIG_IP_NF_MANGLE
dep_tristate ' MARK target support' CONFIG_IP_NF_TARGET_MARK $CONFIG_IP_NF_MANGLE
if [ "$CONFIG_IP_NF_CONNTRACK_MARK" != "n" ]; then
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
-@@ -130,6 +130,7 @@ obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TO
+@@ -118,6 +118,7 @@ obj-$(CONFIG_IP_NF_TARGET_TOS) += ipt_TO
obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o
obj-$(CONFIG_IP_NF_TARGET_DSCP) += ipt_DSCP.o
obj-$(CONFIG_IP_NF_TARGET_MARK) += ipt_MARK.o
dep_tristate ' limit match support' CONFIG_IP_NF_MATCH_LIMIT $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' IP range match support' CONFIG_IP_NF_MATCH_IPRANGE $CONFIG_IP_NF_IPTABLES
dep_tristate ' quota match support' CONFIG_IP_NF_MATCH_QUOTA $CONFIG_IP_NF_IPTABLES
-
- dep_tristate ' IP set support' CONFIG_IP_NF_SET $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' MAC address match support' CONFIG_IP_NF_MATCH_MAC $CONFIG_IP_NF_IPTABLES
+ dep_tristate ' Packet type match support' CONFIG_IP_NF_MATCH_PKTTYPE $CONFIG_IP_NF_IPTABLES
--- /dev/null
+++ b/net/ipv4/netfilter/ipt_iprange.c
@@ -0,0 +1,101 @@
+obj-$(CONFIG_IP_NF_MATCH_IPRANGE) += ipt_iprange.o
obj-$(CONFIG_IP_NF_MATCH_QUOTA) += ipt_quota.o
obj-$(CONFIG_IP_NF_MATCH_MARK) += ipt_mark.o
- obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
+ obj-$(CONFIG_IP_NF_MATCH_MAC) += ipt_mac.o
TCPMSS match support
CONFIG_IP_NF_MATCH_TCPMSS
This option adds a `tcpmss' match, which allows you to examine the
-@@ -3387,6 +3397,14 @@ CONFIG_IP6_NF_MATCH_MAC
+@@ -3318,6 +3328,14 @@ CONFIG_IP6_NF_MATCH_MAC
If you want to compile it as a module, say M here and read
<file:Documentation/modules.txt>. If unsure, say `N'.
+#endif /*_IP6T_RAND_H*/
--- a/net/ipv4/netfilter/Config.in
+++ b/net/ipv4/netfilter/Config.in
-@@ -46,6 +46,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
+@@ -32,6 +32,7 @@ if [ "$CONFIG_IP_NF_IPTABLES" != "n" ];
dep_tristate ' netfilter MARK match support' CONFIG_IP_NF_MATCH_MARK $CONFIG_IP_NF_IPTABLES
dep_tristate ' Multiple port match support' CONFIG_IP_NF_MATCH_MULTIPORT $CONFIG_IP_NF_IPTABLES
dep_tristate ' TOS match support' CONFIG_IP_NF_MATCH_TOS $CONFIG_IP_NF_IPTABLES
+module_exit(fini);
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
-@@ -105,6 +105,8 @@ obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_o
+@@ -93,6 +93,8 @@ obj-$(CONFIG_IP_NF_MATCH_OWNER) += ipt_o
obj-$(CONFIG_IP_NF_MATCH_TOS) += ipt_tos.o
obj-$(CONFIG_IP_NF_MATCH_CONDITION) += ipt_condition.o
--- a/Documentation/Configure.help
+++ b/Documentation/Configure.help
-@@ -11165,6 +11165,24 @@ CONFIG_NET_SCH_HFSC
+@@ -11096,6 +11096,24 @@ CONFIG_NET_SCH_HFSC
whenever you want). If you want to compile it as a module, say M
here and read <file:Documentation/modules.txt>.
+++ /dev/null
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h
-@@ -0,0 +1,34 @@
-+#ifndef __IP_SET_IPPORTHASH_H
-+#define __IP_SET_IPPORTHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "ipporthash"
-+#define MAX_RANGE 0x0000FFFF
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+struct ip_set_ipporthash {
-+ ip_set_ip_t *members; /* the ipporthash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ void *initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipporthash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipporthash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_IPPORTHASH_H */
+++ /dev/null
---- a/include/linux/netfilter_ipv4/Kbuild
-+++ b/include/linux/netfilter_ipv4/Kbuild
-@@ -59,3 +59,20 @@ unifdef-y += ip_nat.h
- unifdef-y += ip_nat_rule.h
- unifdef-y += ip_queue.h
- unifdef-y += ip_tables.h
-+
-+unifdef-y += ip_set.h
-+header-y += ip_set_iphash.h
-+unifdef-y += ip_set_bitmaps.h
-+unifdef-y += ip_set_getport.h
-+unifdef-y += ip_set_hashes.h
-+header-y += ip_set_ipmap.h
-+header-y += ip_set_ipporthash.h
-+header-y += ip_set_ipportiphash.h
-+header-y += ip_set_ipportnethash.h
-+unifdef-y += ip_set_iptree.h
-+unifdef-y += ip_set_iptreemap.h
-+header-y += ip_set_jhash.h
-+header-y += ip_set_macipmap.h
-+header-y += ip_set_nethash.h
-+header-y += ip_set_portmap.h
-+header-y += ip_set_setlist.h
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set.h
-@@ -0,0 +1,574 @@
-+#ifndef _IP_SET_H
-+#define _IP_SET_H
-+
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#if 0
-+#define IP_SET_DEBUG
-+#endif
-+
-+/*
-+ * A sockopt of such quality has hardly ever been seen before on the open
-+ * market! This little beauty, hardly ever used: above 64, so it's
-+ * traditionally used for firewalling, not touched (even once!) by the
-+ * 2.0, 2.2 and 2.4 kernels!
-+ *
-+ * Comes with its own certificate of authenticity, valid anywhere in the
-+ * Free world!
-+ *
-+ * Rusty, 19.4.2000
-+ */
-+#define SO_IP_SET 83
-+
-+/*
-+ * Heavily modify by Joakim Axelsson 08.03.2002
-+ * - Made it more modulebased
-+ *
-+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
-+ * - bindings added
-+ * - in order to "deal with" backward compatibility, renamed to ipset
-+ */
-+
-+/*
-+ * Used so that the kernel module and ipset-binary can match their versions
-+ */
-+#define IP_SET_PROTOCOL_VERSION 3
-+
-+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-+
-+/* Lets work with our own typedef for representing an IP address.
-+ * We hope to make the code more portable, possibly to IPv6...
-+ *
-+ * The representation works in HOST byte order, because most set types
-+ * will perform arithmetic operations and compare operations.
-+ *
-+ * For now the type is an uint32_t.
-+ *
-+ * Make sure to ONLY use the functions when translating and parsing
-+ * in order to keep the host byte order and make it more portable:
-+ * parse_ip()
-+ * parse_mask()
-+ * parse_ipandmask()
-+ * ip_tostring()
-+ * (Joakim: where are they???)
-+ */
-+
-+typedef uint32_t ip_set_ip_t;
-+
-+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
-+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
-+ */
-+typedef uint16_t ip_set_id_t;
-+
-+#define IP_SET_INVALID_ID 65535
-+
-+/* How deep we follow bindings */
-+#define IP_SET_MAX_BINDINGS 6
-+
-+/*
-+ * Option flags for kernel operations (ipt_set_info)
-+ */
-+#define IPSET_SRC 0x01 /* Source match/add */
-+#define IPSET_DST 0x02 /* Destination match/add */
-+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-+
-+/*
-+ * Set features
-+ */
-+#define IPSET_TYPE_IP 0x01 /* IP address type of set */
-+#define IPSET_TYPE_PORT 0x02 /* Port type of set */
-+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */
-+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */
-+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */
-+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */
-+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */
-+
-+/* Reserved keywords */
-+#define IPSET_TOKEN_DEFAULT ":default:"
-+#define IPSET_TOKEN_ALL ":all:"
-+
-+/* SO_IP_SET operation constants, and their request struct types.
-+ *
-+ * Operation ids:
-+ * 0-99: commands with version checking
-+ * 100-199: add/del/test/bind/unbind
-+ * 200-299: list, save, restore
-+ */
-+
-+/* Single shot operations:
-+ * version, create, destroy, flush, rename and swap
-+ *
-+ * Sets are identified by name.
-+ */
-+
-+#define IP_SET_REQ_STD \
-+ unsigned op; \
-+ unsigned version; \
-+ char name[IP_SET_MAXNAMELEN]
-+
-+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-+struct ip_set_req_create {
-+ IP_SET_REQ_STD;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-+struct ip_set_req_std {
-+ IP_SET_REQ_STD;
-+};
-+
-+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-+/* Uses ip_set_req_std */
-+
-+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-+/* Uses ip_set_req_create */
-+
-+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-+/* Uses ip_set_req_create */
-+
-+union ip_set_name_index {
-+ char name[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+};
-+
-+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-+struct ip_set_req_get_set {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+};
-+
-+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-+/* Uses ip_set_req_get_set */
-+
-+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-+struct ip_set_req_version {
-+ unsigned op;
-+ unsigned version;
-+};
-+
-+/* Double shots operations:
-+ * add, del, test, bind and unbind.
-+ *
-+ * First we query the kernel to get the index and type of the target set,
-+ * then issue the command. Validity of IP is checked in kernel in order
-+ * to minimalize sockopt operations.
-+ */
-+
-+/* Get minimal set data for add/del/test/bind/unbind IP */
-+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-+struct ip_set_req_adt_get {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_REQ_BYINDEX \
-+ unsigned op; \
-+ ip_set_id_t index;
-+
-+struct ip_set_req_adt {
-+ IP_SET_REQ_BYINDEX;
-+};
-+
-+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+struct ip_set_req_bind {
-+ IP_SET_REQ_BYINDEX;
-+ char binding[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-+/* Uses ip_set_req_bind, with type speficic addage
-+ * index = 0 means unbinding for all sets */
-+
-+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+
-+/* Multiple shots operations: list, save, restore.
-+ *
-+ * - check kernel version and query the max number of sets
-+ * - get the basic information on all sets
-+ * and size required for the next step
-+ * - get actual set data: header, data, bindings
-+ */
-+
-+/* Get max_sets and the index of a queried set
-+ */
-+#define IP_SET_OP_MAX_SETS 0x00000020
-+struct ip_set_req_max_sets {
-+ unsigned op;
-+ unsigned version;
-+ ip_set_id_t max_sets; /* max_sets */
-+ ip_set_id_t sets; /* real number of sets */
-+ union ip_set_name_index set; /* index of set if name used */
-+};
-+
-+/* Get the id and name of the sets plus size for next step */
-+#define IP_SET_OP_LIST_SIZE 0x00000201
-+#define IP_SET_OP_SAVE_SIZE 0x00000202
-+struct ip_set_req_setnames {
-+ unsigned op;
-+ ip_set_id_t index; /* set to list/save */
-+ u_int32_t size; /* size to get setdata/bindings */
-+ /* followed by sets number of struct ip_set_name_list */
-+};
-+
-+struct ip_set_name_list {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ ip_set_id_t id;
-+};
-+
-+/* The actual list operation */
-+#define IP_SET_OP_LIST 0x00000203
-+struct ip_set_req_list {
-+ IP_SET_REQ_BYINDEX;
-+ /* sets number of struct ip_set_list in reply */
-+};
-+
-+struct ip_set_list {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t ref;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+ u_int32_t bindings_size;/* Set bindings data of bindings_size */
-+};
-+
-+struct ip_set_hash_list {
-+ ip_set_ip_t ip;
-+ ip_set_id_t binding;
-+};
-+
-+/* The save operation */
-+#define IP_SET_OP_SAVE 0x00000204
-+/* Uses ip_set_req_list, in the reply replaced by
-+ * sets number of struct ip_set_save plus a marker
-+ * ip_set_save followed by ip_set_hash_save structures.
-+ */
-+struct ip_set_save {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+/* At restoring, ip == 0 means default binding for the given set: */
-+struct ip_set_hash_save {
-+ ip_set_ip_t ip;
-+ ip_set_id_t id;
-+ ip_set_id_t binding;
-+};
-+
-+/* The restore operation */
-+#define IP_SET_OP_RESTORE 0x00000205
-+/* Uses ip_set_req_setnames followed by ip_set_restore structures
-+ * plus a marker ip_set_restore, followed by ip_set_hash_save
-+ * structures.
-+ */
-+struct ip_set_restore {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ u_int32_t header_size; /* Create data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-+{
-+ return 4 * ((((b - a + 8) / 8) + 3) / 4);
-+}
-+
-+/* General limit for the elements in a set */
-+#define MAX_RANGE 0x0000FFFF
-+
-+#ifdef __KERNEL__
-+#include <linux/netfilter_ipv4/ip_set_compat.h>
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+
-+#define ip_set_printk(format, args...) \
-+ do { \
-+ printk("%s: %s: ", __FILE__, __FUNCTION__); \
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+
-+#if defined(IP_SET_DEBUG)
-+#define DP(format, args...) \
-+ do { \
-+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+#define IP_SET_ASSERT(x) \
-+ do { \
-+ if (!(x)) \
-+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ } while (0)
-+#else
-+#define DP(format, args...)
-+#define IP_SET_ASSERT(x)
-+#endif
-+
-+struct ip_set;
-+
-+/*
-+ * The ip_set_type definition - one per set type, e.g. "ipmap".
-+ *
-+ * Each individual set has a pointer, set->type, going to one
-+ * of these structures. Function pointers inside the structure implement
-+ * the real behaviour of the sets.
-+ *
-+ * If not mentioned differently, the implementation behind the function
-+ * pointers of a set_type, is expected to return 0 if ok, and a negative
-+ * errno (e.g. -EINVAL) on error.
-+ */
-+struct ip_set_type {
-+ struct list_head list; /* next in list of set types */
-+
-+ /* test for IP in set (kernel: iptables -m set src|dst)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* test for IP in set (userspace: ipset -T set IP)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /*
-+ * Size of the data structure passed by when
-+ * adding/deletin/testing an entry.
-+ */
-+ u_int32_t reqsize;
-+
-+ /* Add IP into set (userspace: ipset -A set IP)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* Add IP into set (kernel: iptables ... -j SET set src|dst)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* remove IP from set (userspace: ipset -D set --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (kernel: iptables ... -j SET --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* new set creation - allocated type specific items
-+ */
-+ int (*create) (struct ip_set *set,
-+ const void *data, u_int32_t size);
-+
-+ /* retry the operation after successfully tweaking the set
-+ */
-+ int (*retry) (struct ip_set *set);
-+
-+ /* set destruction - free type specific items
-+ * There is no return value.
-+ * Can be called only when child sets are destroyed.
-+ */
-+ void (*destroy) (struct ip_set *set);
-+
-+ /* set flushing - reset all bits in the set, or something similar.
-+ * There is no return value.
-+ */
-+ void (*flush) (struct ip_set *set);
-+
-+ /* Listing: size needed for header
-+ */
-+ u_int32_t header_size;
-+
-+ /* Listing: Get the header
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_header_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_header) (const struct ip_set *set,
-+ void *data);
-+
-+ /* Listing: Get the size for the set members
-+ */
-+ int (*list_members_size) (const struct ip_set *set);
-+
-+ /* Listing: Get the set members
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_member_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_members) (const struct ip_set *set,
-+ void *data);
-+
-+ char typename[IP_SET_MAXNAMELEN];
-+ unsigned char features;
-+ int protocol_version;
-+
-+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */
-+ struct module *me;
-+};
-+
-+extern int ip_set_register_set_type(struct ip_set_type *set_type);
-+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-+
-+/* A generic ipset */
-+struct ip_set {
-+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */
-+ rwlock_t lock; /* lock for concurrency control */
-+ ip_set_id_t id; /* set id for swapping */
-+ ip_set_id_t binding; /* default binding for the set */
-+ atomic_t ref; /* in kernel and in hash references */
-+ struct ip_set_type *type; /* the set types */
-+ void *data; /* pooltype specific data */
-+};
-+
-+/* Structure to bind set elements to sets */
-+struct ip_set_hash {
-+ struct list_head list; /* list of clashing entries in hash */
-+ ip_set_ip_t ip; /* ip from set */
-+ ip_set_id_t id; /* set id */
-+ ip_set_id_t binding; /* set we bind the element to */
-+};
-+
-+/* register and unregister set references */
-+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index);
-+extern void ip_set_put_byindex(ip_set_id_t index);
-+extern ip_set_id_t ip_set_id(ip_set_id_t index);
-+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN],
-+ struct ip_set **set);
-+extern void __ip_set_put_byindex(ip_set_id_t index);
-+
-+/* API for iptables set match, and SET target */
-+extern int ip_set_addip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_delip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_testip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+
-+/* Macros to generate functions */
-+
-+#define STRUCT(pre, type) CONCAT2(pre, type)
-+#define CONCAT2(pre, type) struct pre##type
-+
-+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post)
-+#define CONCAT3(pre, mid, post) pre##mid##post
-+
-+#define UADT0(type, adt, args...) \
-+static int \
-+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\
-+ ip_set_ip_t *hash_ip) \
-+{ \
-+ const STRUCT(ip_set_req_,type) *req = data; \
-+ \
-+ return FNAME(type,_,adt)(set, hash_ip , ## args); \
-+}
-+
-+#define UADT(type, adt, args...) \
-+ UADT0(type, adt, req->ip , ## args)
-+
-+#define KADT(type, adt, getfn, args...) \
-+static int \
-+FNAME(type,_k,adt)(struct ip_set *set, \
-+ const struct sk_buff *skb, \
-+ ip_set_ip_t *hash_ip, \
-+ const u_int32_t *flags, \
-+ unsigned char index) \
-+{ \
-+ ip_set_ip_t ip = getfn(skb, flags[index]); \
-+ \
-+ KADT_CONDITION \
-+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \
-+}
-+
-+#define REGISTER_MODULE(type) \
-+static int __init ip_set_##type##_init(void) \
-+{ \
-+ init_max_page_size(); \
-+ return ip_set_register_set_type(&ip_set_##type); \
-+} \
-+ \
-+static void __exit ip_set_##type##_fini(void) \
-+{ \
-+ /* FIXME: possible race with ip_set_create() */ \
-+ ip_set_unregister_set_type(&ip_set_##type); \
-+} \
-+ \
-+module_init(ip_set_##type##_init); \
-+module_exit(ip_set_##type##_fini);
-+
-+/* Common functions */
-+
-+static inline ip_set_ip_t
-+ipaddr(const struct sk_buff *skb, u_int32_t flag)
-+{
-+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr);
-+}
-+
-+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i))
-+
-+#define pack_ip_port(map, ip, port) \
-+ (port + ((ip - ((map)->first_ip)) << 16))
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h
-@@ -0,0 +1,121 @@
-+#ifndef __IP_SET_BITMAPS_H
-+#define __IP_SET_BITMAPS_H
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define BITMAP_CREATE(type) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ int newbytes; \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ \
-+ if (req->from > req->to) { \
-+ DP("bad range"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type)); \
-+ return -ENOMEM; \
-+ } \
-+ map->first_ip = req->from; \
-+ map->last_ip = req->to; \
-+ \
-+ newbytes = __##type##_create(req, map); \
-+ if (newbytes < 0) { \
-+ kfree(map); \
-+ return newbytes; \
-+ } \
-+ \
-+ map->size = newbytes; \
-+ map->members = ip_set_malloc(newbytes); \
-+ if (!map->members) { \
-+ DP("out of memory for %i bytes", newbytes); \
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ memset(map->members, 0, newbytes); \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define BITMAP_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ ip_set_free(map->members, map->size); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define BITMAP_FLUSH(type) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ memset(map->members, 0, map->size); \
-+}
-+
-+#define BITMAP_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->from = map->first_ip; \
-+ header->to = map->last_ip; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define BITMAP_LIST_MEMBERS_SIZE(type) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return map->size; \
-+}
-+
-+#define BITMAP_LIST_MEMBERS(type) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ memcpy(data, map->members, map->size); \
-+}
-+
-+#define IP_SET_TYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+#endif /* __KERNEL */
-+
-+#endif /* __IP_SET_BITMAPS_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_compat.h
-@@ -0,0 +1,71 @@
-+#ifndef _IP_SET_COMPAT_H
-+#define _IP_SET_COMPAT_H
-+
-+#ifdef __KERNEL__
-+#include <linux/version.h>
-+
-+/* Arrgh */
-+#ifdef MODULE
-+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo)
-+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo)
-+#else
-+#define __MOD_INC(foo) 1
-+#define __MOD_DEC(foo)
-+#endif
-+
-+/* Backward compatibility */
-+#ifndef __nocast
-+#define __nocast
-+#endif
-+#ifndef __bitwise__
-+#define __bitwise__
-+#endif
-+
-+/* Compatibility glue code */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#include <linux/interrupt.h>
-+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED
-+#define try_module_get(x) __MOD_INC(x)
-+#define module_put(x) __MOD_DEC(x)
-+#define __clear_bit(nr, addr) clear_bit(nr, addr)
-+#define __set_bit(nr, addr) set_bit(nr, addr)
-+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr)
-+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr)
-+
-+typedef unsigned __bitwise__ gfp_t;
-+
-+static inline void *kzalloc(size_t size, gfp_t flags)
-+{
-+ void *data = kmalloc(size, flags);
-+
-+ if (data)
-+ memset(data, 0, size);
-+
-+ return data;
-+}
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-+#define __KMEM_CACHE_T__ kmem_cache_t
-+#else
-+#define __KMEM_CACHE_T__ struct kmem_cache
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
-+#define ip_hdr(skb) ((skb)->nh.iph)
-+#define skb_mac_header(skb) ((skb)->mac.raw)
-+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb))
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+#include <linux/netfilter.h>
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL, NULL)
-+#else
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL)
-+#endif
-+
-+
-+#endif /* __KERNEL__ */
-+#endif /* _IP_SET_COMPAT_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_getport.h
-@@ -0,0 +1,48 @@
-+#ifndef _IP_SET_GETPORT_H
-+#define _IP_SET_GETPORT_H
-+
-+#ifdef __KERNEL__
-+
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+/* We must handle non-linear skbs */
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+ struct iphdr *iph = ip_hdr(skb);
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr tcph;
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph.source : tcph.dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr udph;
-+
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph.source : udph.dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_GETPORT_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h
-@@ -0,0 +1,306 @@
-+#ifndef __IP_SET_HASHES_H
-+#define __IP_SET_HASHES_H
-+
-+#define initval_t uint32_t
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define HASH_RETRY0(type, dtype, cond) \
-+static int \
-+type##_retry(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data, *tmp; \
-+ dtype *elem; \
-+ void *members; \
-+ u_int32_t i, hashsize = map->hashsize; \
-+ int res; \
-+ \
-+ if (map->resize == 0) \
-+ return -ERANGE; \
-+ \
-+ again: \
-+ res = 0; \
-+ \
-+ /* Calculate new hash size */ \
-+ hashsize += (hashsize * map->resize)/100; \
-+ if (hashsize == map->hashsize) \
-+ hashsize++; \
-+ \
-+ ip_set_printk("rehashing of set %s triggered: " \
-+ "hashsize grows from %lu to %lu", \
-+ set->name, \
-+ (long unsigned)map->hashsize, \
-+ (long unsigned)hashsize); \
-+ \
-+ tmp = kmalloc(sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \
-+ if (!tmp) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\
-+ if (!tmp->members) { \
-+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\
-+ kfree(tmp); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->hashsize = hashsize; \
-+ tmp->elements = 0; \
-+ tmp->probes = map->probes; \
-+ tmp->resize = map->resize; \
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\
-+ __##type##_retry(tmp, map); \
-+ \
-+ write_lock_bh(&set->lock); \
-+ map = set->data; /* Play safe */ \
-+ for (i = 0; i < map->hashsize && res == 0; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ if (cond) \
-+ res = __##type##_add(tmp, elem); \
-+ } \
-+ if (res) { \
-+ /* Failure, try again */ \
-+ write_unlock_bh(&set->lock); \
-+ harray_free(tmp->members); \
-+ kfree(tmp); \
-+ goto again; \
-+ } \
-+ \
-+ /* Success at resizing! */ \
-+ members = map->members; \
-+ \
-+ map->hashsize = tmp->hashsize; \
-+ map->members = tmp->members; \
-+ write_unlock_bh(&set->lock); \
-+ \
-+ harray_free(members); \
-+ kfree(tmp); \
-+ \
-+ return 0; \
-+}
-+
-+#define HASH_RETRY(type, dtype) \
-+ HASH_RETRY0(type, dtype, *elem)
-+
-+#define HASH_RETRY2(type, dtype) \
-+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1)
-+
-+#define HASH_CREATE(type, dtype) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ uint16_t i; \
-+ \
-+ if (req->hashsize < 1) { \
-+ ip_set_printk("hashsize too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ if (req->probes < 1) { \
-+ ip_set_printk("probes too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ for (i = 0; i < req->probes; i++) \
-+ get_random_bytes(((initval_t *) map->initval)+i, 4); \
-+ map->elements = 0; \
-+ map->hashsize = req->hashsize; \
-+ map->probes = req->probes; \
-+ map->resize = req->resize; \
-+ if (__##type##_create(req, map)) { \
-+ kfree(map); \
-+ return -ENOEXEC; \
-+ } \
-+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\
-+ if (!map->members) { \
-+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define HASH_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ harray_free(map->members); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define HASH_FLUSH(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_FLUSH_CIDR(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ memset(map->cidr, 0, sizeof(map->cidr)); \
-+ memset(map->nets, 0, sizeof(map->nets)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->hashsize = map->hashsize; \
-+ header->probes = map->probes; \
-+ header->resize = map->resize; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return (map->hashsize * sizeof(dtype)); \
-+}
-+
-+#define HASH_LIST_MEMBERS(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ ((dtype *)data)[i] = *elem; \
-+ } \
-+}
-+
-+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \
-+ } \
-+}
-+
-+#define IP_SET_RTYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .retry = &type##_retry, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+
-+/* Helper functions */
-+static inline void
-+add_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ uint8_t next;
-+ int i;
-+
-+ for (i = 0; i < 30 && cidr[i]; i++) {
-+ if (cidr[i] < size) {
-+ next = cidr[i];
-+ cidr[i] = size;
-+ size = next;
-+ }
-+ }
-+ if (i < 30)
-+ cidr[i] = size;
-+}
-+
-+static inline void
-+del_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ int i;
-+
-+ for (i = 0; i < 29 && cidr[i]; i++) {
-+ if (cidr[i] == size)
-+ cidr[i] = size = cidr[i+1];
-+ }
-+ cidr[29] = 0;
-+}
-+#else
-+#include <arpa/inet.h>
-+#endif /* __KERNEL */
-+
-+#ifndef UINT16_MAX
-+#define UINT16_MAX 65535
-+#endif
-+
-+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
-+
-+static inline ip_set_ip_t
-+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr)
-+{
-+ ip_set_ip_t addr, *paddr = &addr;
-+ unsigned char n, t, *a;
-+
-+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
-+#ifdef __KERNEL__
-+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
-+#endif
-+ n = cidr / 8;
-+ t = cidr % 8;
-+ a = &((unsigned char *)paddr)[n];
-+ *a = *a /(1 << (8 - t)) + shifts[t];
-+#ifdef __KERNEL__
-+ DP("n: %u, t: %u, a: %u", n, t, *a);
-+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
-+ HIPQUAD(ip), cidr, NIPQUAD(addr));
-+#endif
-+
-+ return ntohl(addr);
-+}
-+
-+
-+#endif /* __IP_SET_HASHES_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h
-@@ -0,0 +1,30 @@
-+#ifndef __IP_SET_IPHASH_H
-+#define __IP_SET_IPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "iphash"
-+
-+struct ip_set_iphash {
-+ ip_set_ip_t *members; /* the iphash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t netmask; /* netmask */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_iphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_iphash {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_IPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h
-@@ -0,0 +1,57 @@
-+#ifndef __IP_SET_IPMAP_H
-+#define __IP_SET_IPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "ipmap"
-+
-+struct ip_set_ipmap {
-+ void *members; /* the ipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ ip_set_ip_t netmask; /* subnet netmask */
-+ ip_set_ip_t sizeid; /* size of set in IPs */
-+ ip_set_ip_t hosts; /* number of hosts in a subnet */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_ipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_ipmap {
-+ ip_set_ip_t ip;
-+};
-+
-+static inline unsigned int
-+mask_to_bits(ip_set_ip_t mask)
-+{
-+ unsigned int bits = 32;
-+ ip_set_ip_t maskaddr;
-+
-+ if (mask == 0xFFFFFFFF)
-+ return bits;
-+
-+ maskaddr = 0xFFFFFFFE;
-+ while (--bits > 0 && maskaddr != mask)
-+ maskaddr <<= 1;
-+
-+ return bits;
-+}
-+
-+static inline ip_set_ip_t
-+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
-+{
-+ ip_set_ip_t mask = 0xFFFFFFFE;
-+
-+ *bits = 32;
-+ while (--(*bits) > 0 && mask && (to & mask) != from)
-+ mask <<= 1;
-+
-+ return mask;
-+}
-+
-+#endif /* __IP_SET_IPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h
-@@ -0,0 +1,33 @@
-+#ifndef __IP_SET_IPPORTHASH_H
-+#define __IP_SET_IPPORTHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipporthash"
-+
-+struct ip_set_ipporthash {
-+ ip_set_ip_t *members; /* the ipporthash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipporthash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipporthash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_IPPORTHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPPORTIPHASH_H
-+#define __IP_SET_IPPORTIPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportiphash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportiphash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportiphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportiphash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+};
-+
-+#endif /* __IP_SET_IPPORTIPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h
-@@ -0,0 +1,42 @@
-+#ifndef __IP_SET_IPPORTNETHASH_H
-+#define __IP_SET_IPPORTNETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportnethash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportnethash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportnethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportnethash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_IPPORTNETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPTREE_H
-+#define __IP_SET_IPTREE_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptree"
-+
-+struct ip_set_iptreed {
-+ unsigned long expires[256]; /* x.x.x.ADDR */
-+};
-+
-+struct ip_set_iptreec {
-+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */
-+};
-+
-+struct ip_set_iptreeb {
-+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */
-+};
-+
-+struct ip_set_iptree {
-+ unsigned int timeout;
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ uint32_t elements; /* number of elements */
-+ struct timer_list gc;
-+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */
-+#endif
-+};
-+
-+struct ip_set_req_iptree_create {
-+ unsigned int timeout;
-+};
-+
-+struct ip_set_req_iptree {
-+ ip_set_ip_t ip;
-+ unsigned int timeout;
-+};
-+
-+#endif /* __IP_SET_IPTREE_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h
-@@ -0,0 +1,40 @@
-+#ifndef __IP_SET_IPTREEMAP_H
-+#define __IP_SET_IPTREEMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptreemap"
-+
-+#ifdef __KERNEL__
-+struct ip_set_iptreemap_d {
-+ unsigned char bitmap[32]; /* x.x.x.y */
-+};
-+
-+struct ip_set_iptreemap_c {
-+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */
-+};
-+
-+struct ip_set_iptreemap_b {
-+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */
-+ unsigned char dirty[32];
-+};
-+#endif
-+
-+struct ip_set_iptreemap {
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ struct timer_list gc;
-+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */
-+#endif
-+};
-+
-+struct ip_set_req_iptreemap_create {
-+ unsigned int gc_interval;
-+};
-+
-+struct ip_set_req_iptreemap {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t end;
-+};
-+
-+#endif /* __IP_SET_IPTREEMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h
-@@ -0,0 +1,157 @@
-+#ifndef _LINUX_JHASH_H
-+#define _LINUX_JHASH_H
-+
-+/* jhash.h: Jenkins hash support.
-+ *
-+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net)
-+ *
-+ * http://burtleburtle.net/bob/hash/
-+ *
-+ * These are the credits from Bob's sources:
-+ *
-+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain.
-+ *
-+ * These are functions for producing 32-bit hashes for hash table lookup.
-+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final()
-+ * are externally useful functions. Routines to test the hash are included
-+ * if SELF_TEST is defined. You can use this free for any purpose. It's in
-+ * the public domain. It has no warranty.
-+ *
-+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
-+ *
-+ * I've modified Bob's hash to be useful in the Linux kernel, and
-+ * any bugs present are my fault. Jozsef
-+ */
-+
-+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
-+
-+/* __jhash_mix - mix 3 32-bit values reversibly. */
-+#define __jhash_mix(a,b,c) \
-+{ \
-+ a -= c; a ^= __rot(c, 4); c += b; \
-+ b -= a; b ^= __rot(a, 6); a += c; \
-+ c -= b; c ^= __rot(b, 8); b += a; \
-+ a -= c; a ^= __rot(c,16); c += b; \
-+ b -= a; b ^= __rot(a,19); a += c; \
-+ c -= b; c ^= __rot(b, 4); b += a; \
-+}
-+
-+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */
-+#define __jhash_final(a,b,c) \
-+{ \
-+ c ^= b; c -= __rot(b,14); \
-+ a ^= c; a -= __rot(c,11); \
-+ b ^= a; b -= __rot(a,25); \
-+ c ^= b; c -= __rot(b,16); \
-+ a ^= c; a -= __rot(c,4); \
-+ b ^= a; b -= __rot(a,14); \
-+ c ^= b; c -= __rot(b,24); \
-+}
-+
-+/* The golden ration: an arbitrary value */
-+#define JHASH_GOLDEN_RATIO 0xdeadbeef
-+
-+/* The most generic version, hashes an arbitrary sequence
-+ * of bytes. No alignment or length assumptions are made about
-+ * the input key. The result depends on endianness.
-+ */
-+static inline u32 jhash(const void *key, u32 length, u32 initval)
-+{
-+ u32 a,b,c;
-+ const u8 *k = key;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + length + initval;
-+
-+ /* all but the last block: affect some 32 bits of (a,b,c) */
-+ while (length > 12) {
-+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24));
-+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24));
-+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24));
-+ __jhash_mix(a, b, c);
-+ length -= 12;
-+ k += 12;
-+ }
-+
-+ /* last block: affect all 32 bits of (c) */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 12: c += (u32)k[11]<<24;
-+ case 11: c += (u32)k[10]<<16;
-+ case 10: c += (u32)k[9]<<8;
-+ case 9 : c += k[8];
-+ case 8 : b += (u32)k[7]<<24;
-+ case 7 : b += (u32)k[6]<<16;
-+ case 6 : b += (u32)k[5]<<8;
-+ case 5 : b += k[4];
-+ case 4 : a += (u32)k[3]<<24;
-+ case 3 : a += (u32)k[2]<<16;
-+ case 2 : a += (u32)k[1]<<8;
-+ case 1 : a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0 :
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special optimized version that handles 1 or more of u32s.
-+ * The length parameter here is the number of u32s in the key.
-+ */
-+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
-+{
-+ u32 a, b, c;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval;
-+
-+ /* handle most of the key */
-+ while (length > 3) {
-+ a += k[0];
-+ b += k[1];
-+ c += k[2];
-+ __jhash_mix(a, b, c);
-+ length -= 3;
-+ k += 3;
-+ }
-+
-+ /* handle the last 3 u32's */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 3: c += k[2];
-+ case 2: b += k[1];
-+ case 1: a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0: /* case 0: nothing left to add */
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special ultra-optimized versions that knows they are hashing exactly
-+ * 3, 2 or 1 word(s).
-+ */
-+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
-+{
-+ a += JHASH_GOLDEN_RATIO + initval;
-+ b += JHASH_GOLDEN_RATIO + initval;
-+ c += JHASH_GOLDEN_RATIO + initval;
-+
-+ __jhash_final(a, b, c);
-+
-+ return c;
-+}
-+
-+static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
-+{
-+ return jhash_3words(0, a, b, initval);
-+}
-+
-+static inline u32 jhash_1word(u32 a, u32 initval)
-+{
-+ return jhash_3words(0, 0, a, initval);
-+}
-+
-+#endif /* _LINUX_JHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_MACIPMAP_H
-+#define __IP_SET_MACIPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "macipmap"
-+
-+/* general flags */
-+#define IPSET_MACIP_MATCHUNSET 1
-+
-+/* per ip flags */
-+#define IPSET_MACIP_ISSET 1
-+
-+struct ip_set_macipmap {
-+ void *members; /* the macipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t flags;
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_macipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap {
-+ ip_set_ip_t ip;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+struct ip_set_macip {
-+ unsigned short match;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+#endif /* __IP_SET_MACIPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h
-@@ -0,0 +1,153 @@
-+#ifndef _IP_SET_MALLOC_H
-+#define _IP_SET_MALLOC_H
-+
-+#ifdef __KERNEL__
-+#include <linux/vmalloc.h>
-+
-+static size_t max_malloc_size = 0, max_page_size = 0;
-+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */
-+
-+static inline int init_max_page_size(void)
-+{
-+/* Compatibility glues to support 2.4.36 */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#define __GFP_NOWARN 0
-+
-+ /* Guaranteed: slab.c */
-+ max_malloc_size = max_page_size = default_max_malloc_size;
-+#else
-+ size_t page_size = 0;
-+
-+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \
-+ page_size = x;
-+#include <linux/kmalloc_sizes.h>
-+#undef CACHE
-+ if (page_size) {
-+ if (max_malloc_size == 0)
-+ max_malloc_size = page_size;
-+
-+ max_page_size = page_size;
-+
-+ return 1;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+struct harray {
-+ size_t max_elements;
-+ void *arrays[0];
-+};
-+
-+static inline void *
-+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ struct harray *harray;
-+ size_t max_elements, size, i, j;
-+
-+ BUG_ON(max_page_size == 0);
-+
-+ if (typesize > max_page_size)
-+ return NULL;
-+
-+ max_elements = max_page_size/typesize;
-+ size = hashsize/max_elements;
-+ if (hashsize % max_elements)
-+ size++;
-+
-+ /* Last pointer signals end of arrays */
-+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *),
-+ flags);
-+
-+ if (!harray)
-+ return NULL;
-+
-+ for (i = 0; i < size - 1; i++) {
-+ harray->arrays[i] = kmalloc(max_elements * typesize, flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, max_elements * typesize);
-+ }
-+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize,
-+ flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize);
-+
-+ harray->max_elements = max_elements;
-+ harray->arrays[size] = NULL;
-+
-+ return (void *)harray;
-+
-+ undo:
-+ for (j = 0; j < i; j++) {
-+ kfree(harray->arrays[j]);
-+ }
-+ kfree(harray);
-+ return NULL;
-+}
-+
-+static inline void *
-+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ void *harray;
-+
-+ do {
-+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN);
-+ } while (harray == NULL && init_max_page_size());
-+
-+ return harray;
-+}
-+
-+static inline void harray_free(void *h)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i] != NULL; i++)
-+ kfree(harray->arrays[i]);
-+ kfree(harray);
-+}
-+
-+static inline void harray_flush(void *h, size_t hashsize, size_t typesize)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i+1] != NULL; i++)
-+ memset(harray->arrays[i], 0, harray->max_elements * typesize);
-+ memset(harray->arrays[i], 0,
-+ (hashsize - i * harray->max_elements) * typesize);
-+}
-+
-+#define HARRAY_ELEM(h, type, which) \
-+({ \
-+ struct harray *__h = (struct harray *)(h); \
-+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \
-+ + (which)%(__h)->max_elements); \
-+})
-+
-+/* General memory allocation and deallocation */
-+static inline void * ip_set_malloc(size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ return vmalloc(bytes);
-+ else
-+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN);
-+}
-+
-+static inline void ip_set_free(void * data, size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ vfree(data);
-+ else
-+ kfree(data);
-+}
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_MALLOC_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h
-@@ -0,0 +1,31 @@
-+#ifndef __IP_SET_NETHASH_H
-+#define __IP_SET_NETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "nethash"
-+
-+struct ip_set_nethash {
-+ ip_set_ip_t *members; /* the nethash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_nethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+};
-+
-+struct ip_set_req_nethash {
-+ ip_set_ip_t ip;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_NETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h
-@@ -0,0 +1,25 @@
-+#ifndef __IP_SET_PORTMAP_H
-+#define __IP_SET_PORTMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "portmap"
-+
-+struct ip_set_portmap {
-+ void *members; /* the portmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_portmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_portmap {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_PORTMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h
-@@ -0,0 +1,26 @@
-+#ifndef __IP_SET_SETLIST_H
-+#define __IP_SET_SETLIST_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "setlist"
-+
-+#define IP_SET_SETLIST_ADD_AFTER 0
-+#define IP_SET_SETLIST_ADD_BEFORE 1
-+
-+struct ip_set_setlist {
-+ uint8_t size;
-+ ip_set_id_t index[0];
-+};
-+
-+struct ip_set_req_setlist_create {
-+ uint8_t size;
-+};
-+
-+struct ip_set_req_setlist {
-+ char name[IP_SET_MAXNAMELEN];
-+ char ref[IP_SET_MAXNAMELEN];
-+ uint8_t before;
-+};
-+
-+#endif /* __IP_SET_SETLIST_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_set.h
-@@ -0,0 +1,21 @@
-+#ifndef _IPT_SET_H
-+#define _IPT_SET_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+struct ipt_set_info {
-+ ip_set_id_t index;
-+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-+};
-+
-+/* match info */
-+struct ipt_set_info_match {
-+ struct ipt_set_info match_set;
-+};
-+
-+struct ipt_set_info_target {
-+ struct ipt_set_info add_set;
-+ struct ipt_set_info del_set;
-+};
-+
-+#endif /*_IPT_SET_H*/
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set.c
-@@ -0,0 +1,2076 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module for IP set management */
-+
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+#include <linux/config.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/kmod.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/random.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <linux/capability.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-+#include <asm/semaphore.h>
-+#else
-+#include <linux/semaphore.h>
-+#endif
-+#include <linux/spinlock.h>
-+
-+#define ASSERT_READ_LOCK(x)
-+#define ASSERT_WRITE_LOCK(x)
-+#include <linux/netfilter.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+static struct list_head set_type_list; /* all registered sets */
-+static struct ip_set **ip_set_list; /* all individual sets */
-+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */
-+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */
-+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
-+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE;
-+static struct list_head *ip_set_hash; /* hash of bindings */
-+static unsigned int ip_set_hash_random; /* random seed */
-+
-+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0)
-+
-+/*
-+ * Sets are identified either by the index in ip_set_list or by id.
-+ * The id never changes and is used to find a key in the hash.
-+ * The index may change by swapping and used at all other places
-+ * (set/SET netfilter modules, binding value, etc.)
-+ *
-+ * Userspace requests are serialized by ip_set_mutex and sets can
-+ * be deleted only from userspace. Therefore ip_set_list locking
-+ * must obey the following rules:
-+ *
-+ * - kernel requests: read and write locking mandatory
-+ * - user requests: read locking optional, write locking mandatory
-+ */
-+
-+static inline void
-+__ip_set_get(ip_set_id_t index)
-+{
-+ atomic_inc(&ip_set_list[index]->ref);
-+}
-+
-+static inline void
-+__ip_set_put(ip_set_id_t index)
-+{
-+ atomic_dec(&ip_set_list[index]->ref);
-+}
-+
-+/*
-+ * Binding routines
-+ */
-+
-+static inline struct ip_set_hash *
-+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ struct ip_set_hash *set_hash;
-+
-+ list_for_each_entry(set_hash, &ip_set_hash[key], list)
-+ if (set_hash->id == id && set_hash->ip == ip)
-+ return set_hash;
-+
-+ return NULL;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ ASSERT_READ_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+
-+ set_hash = __ip_set_find(key, id, ip);
-+
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
-+}
-+
-+static inline void
-+__set_hash_del(struct ip_set_hash *set_hash)
-+{
-+ ASSERT_WRITE_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+
-+ __ip_set_put(set_hash->binding);
-+ list_del(&set_hash->list);
-+ kfree(set_hash);
-+}
-+
-+static int
-+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ if (set_hash != NULL)
-+ __set_hash_del(set_hash);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+static int
-+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+ int ret = 0;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ IP_SET_ASSERT(ip_set_list[binding]);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip), ip_set_list[binding]->name);
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ if (!set_hash) {
-+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC);
-+ if (!set_hash) {
-+ ret = -ENOMEM;
-+ goto unlock;
-+ }
-+ INIT_LIST_HEAD(&set_hash->list);
-+ set_hash->id = id;
-+ set_hash->ip = ip;
-+ list_add(&set_hash->list, &ip_set_hash[key]);
-+ } else {
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+ DP("overwrite binding: %s",
-+ ip_set_list[set_hash->binding]->name);
-+ __ip_set_put(set_hash->binding);
-+ }
-+ set_hash->binding = binding;
-+ __ip_set_get(set_hash->binding);
-+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)",
-+ key, id, ip_set_list[id]->name,
-+ HIPQUAD(ip), binding, ip_set_list[binding]->name);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+#define FOREACH_HASH_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash; \
-+ \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+#define FOREACH_HASH_RW_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash, *__n; \
-+ \
-+ ASSERT_WRITE_LOCK(&ip_set_lock); \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+/* Add, del and test set entries from kernel */
-+
-+#define follow_bindings(index, set, ip) \
-+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \
-+ || (index = (set)->binding) != IP_SET_INVALID_ID)
-+
-+int
-+ip_set_testip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip_kernel(set, skb, &ip, flags, i++);
-+ read_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while (res > 0
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+int
-+ip_set_addip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ retry:
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ if (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0)
-+ goto retry;
-+
-+ return res;
-+}
-+
-+int
-+ip_set_delip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return res;
-+}
-+
-+/* Register and deregister settype */
-+
-+static inline struct ip_set_type *
-+find_set_type(const char *name)
-+{
-+ struct ip_set_type *set_type;
-+
-+ list_for_each_entry(set_type, &set_type_list, list)
-+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1))
-+ return set_type;
-+ return NULL;
-+}
-+
-+int
-+ip_set_register_set_type(struct ip_set_type *set_type)
-+{
-+ int ret = 0;
-+
-+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
-+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
-+ set_type->typename,
-+ set_type->protocol_version,
-+ IP_SET_PROTOCOL_VERSION);
-+ return -EINVAL;
-+ }
-+
-+ write_lock_bh(&ip_set_lock);
-+ if (find_set_type(set_type->typename)) {
-+ /* Duplicate! */
-+ ip_set_printk("'%s' already registered!",
-+ set_type->typename);
-+ ret = -EINVAL;
-+ goto unlock;
-+ }
-+ if (!try_module_get(THIS_MODULE)) {
-+ ret = -EFAULT;
-+ goto unlock;
-+ }
-+ list_add(&set_type->list, &set_type_list);
-+ DP("'%s' registered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+void
-+ip_set_unregister_set_type(struct ip_set_type *set_type)
-+{
-+ write_lock_bh(&ip_set_lock);
-+ if (!find_set_type(set_type->typename)) {
-+ ip_set_printk("'%s' not registered?",
-+ set_type->typename);
-+ goto unlock;
-+ }
-+ list_del(&set_type->list);
-+ module_put(THIS_MODULE);
-+ DP("'%s' unregistered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+
-+}
-+
-+ip_set_id_t
-+__ip_set_get_byname(const char *name, struct ip_set **set)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ *set = ip_set_list[i];
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+void __ip_set_put_byindex(ip_set_id_t index)
-+{
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+}
-+
-+/*
-+ * Userspace routines
-+ */
-+
-+/*
-+ * Find set by name, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ down(&ip_set_app_mutex);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ break;
-+ }
-+ }
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find set by index, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+
-+ if (index >= ip_set_max)
-+ return IP_SET_INVALID_ID;
-+
-+ if (ip_set_list[index])
-+ __ip_set_get(index);
-+ else
-+ index = IP_SET_INVALID_ID;
-+
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find the set id belonging to the index.
-+ * We are protected by the mutex, so we do not need to use
-+ * ip_set_lock. There is no need to reference the sets either.
-+ */
-+ip_set_id_t
-+ip_set_id(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || !ip_set_list[index])
-+ return IP_SET_INVALID_ID;
-+
-+ return ip_set_list[index]->id;
-+}
-+
-+/*
-+ * If the given set pointer points to a valid set, decrement
-+ * reference count by 1. The caller shall not assume the index
-+ * to be valid, after calling this function.
-+ */
-+void ip_set_put_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+ up(&ip_set_app_mutex);
-+}
-+
-+/* Find a set by name or index */
-+static ip_set_id_t
-+ip_set_find_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ index = i;
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_byindex(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || ip_set_list[index] == NULL)
-+ index = IP_SET_INVALID_ID;
-+
-+ return index;
-+}
-+
-+/*
-+ * Add, del, test, bind and unbind
-+ */
-+
-+static inline int
-+__ip_set_testip(struct ip_set *set,
-+ const void *data,
-+ u_int32_t size,
-+ ip_set_ip_t *ip)
-+{
-+ int res;
-+
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip(set, data, size, ip);
-+ read_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+__ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ do {
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip(set, data, size, &ip);
-+ write_unlock_bh(&set->lock);
-+ } while (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ return __ip_set_addip(index,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt));
-+}
-+
-+static int
-+ip_set_delip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+ write_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+
-+ return (res > 0 ? -EEXIST : res);
-+}
-+
-+static int
-+ip_set_bindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of a set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets as binding values are referenced */
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ set->binding = binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = ip_set_hash_add(set->id, ip, binding);
-+
-+ return res;
-+}
-+
-+#define FOREACH_SET_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __i; \
-+ struct ip_set *__set; \
-+ \
-+ for (__i = 0; __i < ip_set_max; __i++) { \
-+ __set = ip_set_list[__i]; \
-+ if (__set != NULL) \
-+ fn(__set , ##args); \
-+ } \
-+})
-+
-+static inline void
-+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
-+{
-+ if (set_hash->id == id)
-+ __set_hash_del(set_hash);
-+}
-+
-+static inline void
-+__unbind_default(struct ip_set *set)
-+{
-+ if (set->binding != IP_SET_INVALID_ID) {
-+ /* Sets as binding values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static int
-+ip_set_unbindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ DP("");
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ DP("%u %s", index, req_bind->binding);
-+ if (index == IP_SET_INVALID_ID) {
-+ /* unbind :all: */
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of sets */
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_SET_DO(__unbind_default);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings of all sets*/
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+ DP("unreachable reached!");
-+ return -EINVAL;
-+ }
-+
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ ip_set_id_t binding = ip_set_find_byindex(set->binding);
-+
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets in hash values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings */
-+
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+
-+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
-+ if (res >= 0)
-+ res = ip_set_hash_del(set->id, ip);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testbind(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = (set->binding == binding) ? -EEXIST : 0;
-+
-+ return res;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = (ip_set_find_in_hash(set->id, ip) == binding)
-+ ? -EEXIST : 0;
-+
-+ return res;
-+}
-+
-+static struct ip_set_type *
-+find_set_type_rlock(const char *typename)
-+{
-+ struct ip_set_type *type;
-+
-+ read_lock_bh(&ip_set_lock);
-+ type = find_set_type(typename);
-+ if (type == NULL)
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return type;
-+}
-+
-+static int
-+find_free_id(const char *name,
-+ ip_set_id_t *index,
-+ ip_set_id_t *id)
-+{
-+ ip_set_id_t i;
-+
-+ *id = IP_SET_INVALID_ID;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL) {
-+ if (*id == IP_SET_INVALID_ID)
-+ *id = *index = i;
-+ } else if (SETNAME_EQ(name, ip_set_list[i]->name))
-+ /* Name clash */
-+ return -EEXIST;
-+ }
-+ if (*id == IP_SET_INVALID_ID)
-+ /* No free slot remained */
-+ return -ERANGE;
-+ /* Check that index is usable as id (swapping) */
-+ check:
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && ip_set_list[i]->id == *id) {
-+ *id = i;
-+ goto check;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * Create a set
-+ */
-+static int
-+ip_set_create(const char *name,
-+ const char *typename,
-+ ip_set_id_t restore,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ ip_set_id_t index = 0, id;
-+ int res = 0;
-+
-+ DP("setname: %s, typename: %s, id: %u", name, typename, restore);
-+
-+ /*
-+ * First, and without any locks, allocate and initialize
-+ * a normal base set structure.
-+ */
-+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
-+ if (!set)
-+ return -ENOMEM;
-+ rwlock_init(&set->lock);
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ set->binding = IP_SET_INVALID_ID;
-+ atomic_set(&set->ref, 0);
-+
-+ /*
-+ * Next, take the &ip_set_lock, check that we know the type,
-+ * and take a reference on the type, to make sure it
-+ * stays available while constructing our new set.
-+ *
-+ * After referencing the type, we drop the &ip_set_lock,
-+ * and let the new set construction run without locks.
-+ */
-+ set->type = find_set_type_rlock(typename);
-+ if (set->type == NULL) {
-+ /* Try loading the module */
-+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
-+ strcpy(modulename, "ip_set_");
-+ strcat(modulename, typename);
-+ DP("try to load %s", modulename);
-+ request_module(modulename);
-+ set->type = find_set_type_rlock(typename);
-+ }
-+ if (set->type == NULL) {
-+ ip_set_printk("no set type '%s', set '%s' not created",
-+ typename, name);
-+ res = -ENOENT;
-+ goto out;
-+ }
-+ if (!try_module_get(set->type->me)) {
-+ read_unlock_bh(&ip_set_lock);
-+ res = -EFAULT;
-+ goto out;
-+ }
-+ read_unlock_bh(&ip_set_lock);
-+
-+ /* Check request size */
-+ if (size != set->type->header_size) {
-+ ip_set_printk("data length wrong (want %lu, have %lu)",
-+ (long unsigned)set->type->header_size,
-+ (long unsigned)size);
-+ goto put_out;
-+ }
-+
-+ /*
-+ * Without holding any locks, create private part.
-+ */
-+ res = set->type->create(set, data, size);
-+ if (res != 0)
-+ goto put_out;
-+
-+ /* BTW, res==0 here. */
-+
-+ /*
-+ * Here, we have a valid, constructed set. &ip_set_lock again,
-+ * find free id/index and check that it is not already in
-+ * ip_set_list.
-+ */
-+ write_lock_bh(&ip_set_lock);
-+ if ((res = find_free_id(set->name, &index, &id)) != 0) {
-+ DP("no free id!");
-+ goto cleanup;
-+ }
-+
-+ /* Make sure restore gets the same index */
-+ if (restore != IP_SET_INVALID_ID && index != restore) {
-+ DP("Can't restore, sets are screwed up");
-+ res = -ERANGE;
-+ goto cleanup;
-+ }
-+
-+ /*
-+ * Finally! Add our shiny new set to the list, and be done.
-+ */
-+ DP("create: '%s' created with index %u, id %u!", set->name, index, id);
-+ set->id = id;
-+ ip_set_list[index] = set;
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+
-+ cleanup:
-+ write_unlock_bh(&ip_set_lock);
-+ set->type->destroy(set);
-+ put_out:
-+ module_put(set->type->me);
-+ out:
-+ kfree(set);
-+ return res;
-+}
-+
-+/*
-+ * Destroy a given existing set
-+ */
-+static void
-+ip_set_destroy_set(ip_set_id_t index)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+ DP("set: %s", set->name);
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ ip_set_list[index] = NULL;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ /* Must call it without holding any lock */
-+ set->type->destroy(set);
-+ module_put(set->type->me);
-+ kfree(set);
-+}
-+
-+/*
-+ * Destroy a set - or all sets
-+ * Sets must not be referenced/used.
-+ */
-+static int
-+ip_set_destroy(ip_set_id_t index)
-+{
-+ ip_set_id_t i;
-+
-+ /* ref modification always protected by the mutex */
-+ if (index != IP_SET_INVALID_ID) {
-+ if (atomic_read(&ip_set_list[index]->ref))
-+ return -EBUSY;
-+ ip_set_destroy_set(index);
-+ } else {
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && (atomic_read(&ip_set_list[i]->ref)))
-+ return -EBUSY;
-+ }
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ ip_set_destroy_set(i);
-+ }
-+ }
-+ return 0;
-+}
-+
-+static void
-+ip_set_flush_set(struct ip_set *set)
-+{
-+ DP("set: %s %u", set->name, set->id);
-+
-+ write_lock_bh(&set->lock);
-+ set->type->flush(set);
-+ write_unlock_bh(&set->lock);
-+}
-+
-+/*
-+ * Flush data in a set - or in all sets
-+ */
-+static int
-+ip_set_flush(ip_set_id_t index)
-+{
-+ if (index != IP_SET_INVALID_ID) {
-+ IP_SET_ASSERT(ip_set_list[index]);
-+ ip_set_flush_set(ip_set_list[index]);
-+ } else
-+ FOREACH_SET_DO(ip_set_flush_set);
-+
-+ return 0;
-+}
-+
-+/* Rename a set */
-+static int
-+ip_set_rename(ip_set_id_t index, const char *name)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_id_t i;
-+ int res = 0;
-+
-+ DP("set: %s to %s", set->name, name);
-+ write_lock_bh(&ip_set_lock);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ res = -EEXIST;
-+ goto unlock;
-+ }
-+ }
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+}
-+
-+/*
-+ * Swap two sets so that name/index points to the other.
-+ * References are also swapped.
-+ */
-+static int
-+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
-+{
-+ struct ip_set *from = ip_set_list[from_index];
-+ struct ip_set *to = ip_set_list[to_index];
-+ char from_name[IP_SET_MAXNAMELEN];
-+ u_int32_t from_ref;
-+
-+ DP("set: %s to %s", from->name, to->name);
-+ /* Features must not change.
-+ * Not an artifical restriction anymore, as we must prevent
-+ * possible loops created by swapping in setlist type of sets. */
-+ if (from->type->features != to->type->features)
-+ return -ENOEXEC;
-+
-+ /* No magic here: ref munging protected by the mutex */
-+ write_lock_bh(&ip_set_lock);
-+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
-+ from_ref = atomic_read(&from->ref);
-+
-+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
-+ atomic_set(&from->ref, atomic_read(&to->ref));
-+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
-+ atomic_set(&to->ref, from_ref);
-+
-+ ip_set_list[from_index] = to;
-+ ip_set_list[to_index] = from;
-+
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+/*
-+ * List set data
-+ */
-+
-+static inline void
-+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_list);
-+}
-+
-+static inline void
-+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_save);
-+}
-+
-+static inline void
-+__set_hash_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, void *data, int *used)
-+{
-+ if (set_hash->id == id) {
-+ struct ip_set_hash_list *hash_list = data + *used;
-+
-+ hash_list->ip = set_hash->ip;
-+ hash_list->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_list);
-+ }
-+}
-+
-+static int ip_set_list_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_list *set_list;
-+
-+ /* Pointer to our header */
-+ set_list = data + *used;
-+
-+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_list) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_list);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_list->header_size = set->type->header_size;
-+ if (*used + set_list->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_list->index = index;
-+ set_list->binding = set->binding;
-+ set_list->ref = atomic_read(&set->ref);
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_list->header_size;
-+
-+ /* Get and ensure set specific members size */
-+ set_list->members_size = set->type->list_members_size(set);
-+ if (*used + set_list->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_list->members_size;
-+ read_unlock_bh(&set->lock);
-+
-+ /* Bindings */
-+
-+ /* Get and ensure set specific bindings size */
-+ set_list->bindings_size = 0;
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &set_list->bindings_size);
-+ if (*used + set_list->bindings_size > len)
-+ goto not_enough_mem;
-+
-+ /* Fill in set spefific bindings data */
-+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
-+
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+/*
-+ * Save sets
-+ */
-+static int ip_set_save_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set;
-+ struct ip_set_save *set_save;
-+
-+ /* Pointer to our header */
-+ set_save = data + *used;
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_save);
-+
-+ set = ip_set_list[index];
-+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len,
-+ data, data + *used);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_save->header_size = set->type->header_size;
-+ if (*used + set_save->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_save->index = index;
-+ set_save->binding = set->binding;
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_save->header_size;
-+
-+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->header_size, data, data + *used);
-+ /* Get and ensure set specific members size */
-+ set_save->members_size = set->type->list_members_size(set);
-+ if (*used + set_save->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_save->members_size;
-+ read_unlock_bh(&set->lock);
-+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->members_size, data, data + *used);
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+static inline void
-+__set_hash_save_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id,
-+ void *data,
-+ int *used,
-+ int len,
-+ int *res)
-+{
-+ if (*res == 0
-+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
-+ struct ip_set_hash_save *hash_save = data + *used;
-+ /* Ensure bindings size */
-+ if (*used + sizeof(struct ip_set_hash_save) > len) {
-+ *res = -ENOMEM;
-+ return;
-+ }
-+ hash_save->id = set_hash->id;
-+ hash_save->ip = set_hash->ip;
-+ hash_save->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_save);
-+ }
-+}
-+
-+static int ip_set_save_bindings(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ int res = 0;
-+ struct ip_set_save *set_save;
-+
-+ DP("used %u, len %u", *used, len);
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ return -ENOMEM;
-+
-+ /* Marker */
-+ set_save = data + *used;
-+ set_save->index = IP_SET_INVALID_ID;
-+ set_save->header_size = 0;
-+ set_save->members_size = 0;
-+ *used += sizeof(struct ip_set_save);
-+
-+ DP("marker added used %u, len %u", *used, len);
-+ /* Fill in bindings data */
-+ if (index != IP_SET_INVALID_ID)
-+ /* Sets are identified by id in hash */
-+ index = ip_set_list[index]->id;
-+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
-+
-+ return res;
-+}
-+
-+/*
-+ * Restore sets
-+ */
-+static int ip_set_restore(void *data,
-+ int len)
-+{
-+ int res = 0;
-+ int line = 0, used = 0, members_size;
-+ struct ip_set *set;
-+ struct ip_set_hash_save *hash_save;
-+ struct ip_set_restore *set_restore;
-+ ip_set_id_t index;
-+
-+ /* Loop to restore sets */
-+ while (1) {
-+ line++;
-+
-+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len);
-+ /* Get and ensure header size */
-+ if (used + sizeof(struct ip_set_restore) > len)
-+ return line;
-+ set_restore = data + used;
-+ used += sizeof(struct ip_set_restore);
-+
-+ /* Ensure data size */
-+ if (used
-+ + set_restore->header_size
-+ + set_restore->members_size > len)
-+ return line;
-+
-+ /* Check marker */
-+ if (set_restore->index == IP_SET_INVALID_ID) {
-+ line--;
-+ goto bindings;
-+ }
-+
-+ /* Try to create the set */
-+ DP("restore %s %s", set_restore->name, set_restore->typename);
-+ res = ip_set_create(set_restore->name,
-+ set_restore->typename,
-+ set_restore->index,
-+ data + used,
-+ set_restore->header_size);
-+
-+ if (res != 0)
-+ return line;
-+ used += set_restore->header_size;
-+
-+ index = ip_set_find_byindex(set_restore->index);
-+ DP("index %u, restore_index %u", index, set_restore->index);
-+ if (index != set_restore->index)
-+ return line;
-+ /* Try to restore members data */
-+ set = ip_set_list[index];
-+ members_size = 0;
-+ DP("members_size %lu reqsize %lu",
-+ (unsigned long)set_restore->members_size,
-+ (unsigned long)set->type->reqsize);
-+ while (members_size + set->type->reqsize <=
-+ set_restore->members_size) {
-+ line++;
-+ DP("members: %d, line %d", members_size, line);
-+ res = __ip_set_addip(index,
-+ data + used + members_size,
-+ set->type->reqsize);
-+ if (!(res == 0 || res == -EEXIST))
-+ return line;
-+ members_size += set->type->reqsize;
-+ }
-+
-+ DP("members_size %lu %d",
-+ (unsigned long)set_restore->members_size, members_size);
-+ if (members_size != set_restore->members_size)
-+ return line++;
-+ used += set_restore->members_size;
-+ }
-+
-+ bindings:
-+ /* Loop to restore bindings */
-+ while (used < len) {
-+ line++;
-+
-+ DP("restore binding, line %u", line);
-+ /* Get and ensure size */
-+ if (used + sizeof(struct ip_set_hash_save) > len)
-+ return line;
-+ hash_save = data + used;
-+ used += sizeof(struct ip_set_hash_save);
-+
-+ /* hash_save->id is used to store the index */
-+ index = ip_set_find_byindex(hash_save->id);
-+ DP("restore binding index %u, id %u, %u -> %u",
-+ index, hash_save->id, hash_save->ip, hash_save->binding);
-+ if (index != hash_save->id)
-+ return line;
-+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) {
-+ DP("corrupt binding set index %u", hash_save->binding);
-+ return line;
-+ }
-+ set = ip_set_list[hash_save->id];
-+ /* Null valued IP means default binding */
-+ if (hash_save->ip)
-+ res = ip_set_hash_add(set->id,
-+ hash_save->ip,
-+ hash_save->binding);
-+ else {
-+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
-+ write_lock_bh(&ip_set_lock);
-+ set->binding = hash_save->binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+ DP("default binding: %u", set->binding);
-+ }
-+ if (res != 0)
-+ return line;
-+ }
-+ if (used != len)
-+ return line;
-+
-+ return 0;
-+}
-+
-+static int
-+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
-+{
-+ void *data;
-+ int res = 0; /* Assume OK */
-+ unsigned *op;
-+ struct ip_set_req_adt *req_adt;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ int (*adtfn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ struct fn_table {
-+ int (*fn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ } adtfn_table[] =
-+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
-+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
-+ };
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (len <= sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >%zu, got %u)",
-+ sizeof(unsigned), len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(len);
-+ if (!data) {
-+ DP("out of mem for %u bytes", len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *)data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_CREATE:{
-+ struct ip_set_req_create *req_create = data;
-+
-+ if (len < sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("short CREATE data (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+ res = ip_set_create(req_create->name,
-+ req_create->typename,
-+ IP_SET_INVALID_ID,
-+ data + sizeof(struct ip_set_req_create),
-+ len - sizeof(struct ip_set_req_create));
-+ goto done;
-+ }
-+ case IP_SET_OP_DESTROY:{
-+ struct ip_set_req_std *req_destroy = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid DESTROY data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) {
-+ /* Destroy all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_destroy->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+
-+ res = ip_set_destroy(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_FLUSH:{
-+ struct ip_set_req_std *req_flush = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid FLUSH data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) {
-+ /* Flush all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_flush->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = ip_set_flush(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_RENAME:{
-+ struct ip_set_req_create *req_rename = data;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid RENAME data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_rename->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_rename(index, req_rename->typename);
-+ goto done;
-+ }
-+ case IP_SET_OP_SWAP:{
-+ struct ip_set_req_create *req_swap = data;
-+ ip_set_id_t to_index;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid SWAP data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_swap->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ to_index = ip_set_find_byname(req_swap->typename);
-+ if (to_index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_swap(index, to_index);
-+ goto done;
-+ }
-+ default:
-+ break; /* Set identified by id */
-+ }
-+
-+ /* There we may have add/del/test/bind/unbind/test_bind operations */
-+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
-+ res = -EBADMSG;
-+ goto done;
-+ }
-+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
-+
-+ if (len < sizeof(struct ip_set_req_adt)) {
-+ ip_set_printk("short data in adt request (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_adt), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_adt = data;
-+
-+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
-+ if (!(*op == IP_SET_OP_UNBIND_SET
-+ && req_adt->index == IP_SET_INVALID_ID)) {
-+ index = ip_set_find_byindex(req_adt->index);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = adtfn(index, data, len);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static int
-+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
-+{
-+ int res = 0;
-+ unsigned *op;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ void *data;
-+ int copylen = *len;
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, *len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (*len < sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >=%zu, got %d)",
-+ sizeof(unsigned), *len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(*len);
-+ if (!data) {
-+ DP("out of mem for %d bytes", *len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, *len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *) data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_VERSION: {
-+ struct ip_set_req_version *req_version = data;
-+
-+ if (*len != sizeof(struct ip_set_req_version)) {
-+ ip_set_printk("invalid VERSION (want %zu, got %d)",
-+ sizeof(struct ip_set_req_version),
-+ *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_version->version = IP_SET_PROTOCOL_VERSION;
-+ res = copy_to_user(user, req_version,
-+ sizeof(struct ip_set_req_version));
-+ goto done;
-+ }
-+ case IP_SET_OP_GET_BYNAME: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ req_get->set.index = index;
-+ goto copy;
-+ }
-+ case IP_SET_OP_GET_BYINDEX: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byindex(req_get->set.index);
-+ strncpy(req_get->set.name,
-+ index == IP_SET_INVALID_ID ? ""
-+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN);
-+ goto copy;
-+ }
-+ case IP_SET_OP_ADT_GET: {
-+ struct ip_set_req_adt_get *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_adt_get)) {
-+ ip_set_printk("invalid ADT_GET (want %zu, got %d)",
-+ sizeof(struct ip_set_req_adt_get), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ if (index != IP_SET_INVALID_ID) {
-+ req_get->set.index = index;
-+ strncpy(req_get->typename,
-+ ip_set_list[index]->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ } else {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_MAX_SETS: {
-+ struct ip_set_req_max_sets *req_max_sets = data;
-+ ip_set_id_t i;
-+
-+ if (*len != sizeof(struct ip_set_req_max_sets)) {
-+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
-+ sizeof(struct ip_set_req_max_sets), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) {
-+ req_max_sets->set.index = IP_SET_INVALID_ID;
-+ } else {
-+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_max_sets->set.index =
-+ ip_set_find_byname(req_max_sets->set.name);
-+ if (req_max_sets->set.index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ req_max_sets->max_sets = ip_set_max;
-+ req_max_sets->sets = 0;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ req_max_sets->sets++;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST_SIZE:
-+ case IP_SET_OP_SAVE_SIZE: {
-+ struct ip_set_req_setnames *req_setnames = data;
-+ struct ip_set_name_list *name_list;
-+ struct ip_set *set;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)) {
-+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_setnames), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_setnames->size = 0;
-+ used = sizeof(struct ip_set_req_setnames);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL)
-+ continue;
-+ name_list = data + used;
-+ used += sizeof(struct ip_set_name_list);
-+ if (used > copylen) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ set = ip_set_list[i];
-+ /* Fill in index, name, etc. */
-+ name_list->index = i;
-+ name_list->id = set->id;
-+ strncpy(name_list->name,
-+ set->name,
-+ IP_SET_MAXNAMELEN - 1);
-+ strncpy(name_list->typename,
-+ set->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ DP("filled %s of type %s, index %u\n",
-+ name_list->name, name_list->typename,
-+ name_list->index);
-+ if (!(req_setnames->index == IP_SET_INVALID_ID
-+ || req_setnames->index == i))
-+ continue;
-+ /* Update size */
-+ switch (*op) {
-+ case IP_SET_OP_LIST_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_list)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ /* Sets are identified by id in the hash */
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ case IP_SET_OP_SAVE_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_save)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_save,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ default:
-+ break;
-+ }
-+ }
-+ if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST: {
-+ struct ip_set_req_list *req_list = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short LIST (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_list->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* List all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_list_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* List an individual set */
-+ res = ip_set_list_set(index, data, &used, *len);
-+ }
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_SAVE: {
-+ struct ip_set_req_list *req_save = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short SAVE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_save->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+
-+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0)
-+
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* Save all sets: ugly setlist type dependency */
-+ int setlist = 0;
-+ setlists:
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL
-+ && !(setlist ^ SETLIST(ip_set_list[i])))
-+ res = ip_set_save_set(i, data, &used, *len);
-+ }
-+ if (!setlist) {
-+ setlist = 1;
-+ goto setlists;
-+ }
-+ } else {
-+ /* Save an individual set */
-+ res = ip_set_save_set(index, data, &used, *len);
-+ }
-+ if (res == 0)
-+ res = ip_set_save_bindings(index, data, &used, *len);
-+
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_RESTORE: {
-+ struct ip_set_req_setnames *req_restore = data;
-+ int line;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)
-+ || *len != req_restore->size) {
-+ ip_set_printk("invalid RESTORE (want =%lu, got %d)",
-+ (long unsigned)req_restore->size, *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
-+ req_restore->size - sizeof(struct ip_set_req_setnames));
-+ DP("ip_set_restore: %d", line);
-+ if (line != 0) {
-+ res = -EAGAIN;
-+ req_restore->size = line;
-+ copylen = sizeof(struct ip_set_req_setnames);
-+ goto copy;
-+ }
-+ goto done;
-+ }
-+ default:
-+ res = -EBADMSG;
-+ goto done;
-+ } /* end of switch(op) */
-+
-+ copy:
-+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID
-+ && ip_set_list[index]
-+ ? ip_set_list[index]->name
-+ : ":all:", copylen);
-+ res = copy_to_user(user, data, copylen);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static struct nf_sockopt_ops so_set = {
-+ .pf = PF_INET,
-+ .set_optmin = SO_IP_SET,
-+ .set_optmax = SO_IP_SET + 1,
-+ .set = &ip_set_sockfn_set,
-+ .get_optmin = SO_IP_SET,
-+ .get_optmax = SO_IP_SET + 1,
-+ .get = &ip_set_sockfn_get,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+ .use = 0,
-+#else
-+ .owner = THIS_MODULE,
-+#endif
-+};
-+
-+static int max_sets, hash_size;
-+
-+module_param(max_sets, int, 0600);
-+MODULE_PARM_DESC(max_sets, "maximal number of sets");
-+module_param(hash_size, int, 0600);
-+MODULE_PARM_DESC(hash_size, "hash size for bindings");
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("module implementing core IP set support");
-+
-+static int __init ip_set_init(void)
-+{
-+ int res;
-+ ip_set_id_t i;
-+
-+ get_random_bytes(&ip_set_hash_random, 4);
-+ if (max_sets)
-+ ip_set_max = max_sets;
-+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
-+ if (!ip_set_list) {
-+ printk(KERN_ERR "Unable to create ip_set_list\n");
-+ return -ENOMEM;
-+ }
-+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
-+ if (hash_size)
-+ ip_set_bindings_hash_size = hash_size;
-+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
-+ if (!ip_set_hash) {
-+ printk(KERN_ERR "Unable to create ip_set_hash\n");
-+ vfree(ip_set_list);
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < ip_set_bindings_hash_size; i++)
-+ INIT_LIST_HEAD(&ip_set_hash[i]);
-+
-+ INIT_LIST_HEAD(&set_type_list);
-+
-+ res = nf_register_sockopt(&so_set);
-+ if (res != 0) {
-+ ip_set_printk("SO_SET registry failed: %d", res);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ return res;
-+ }
-+
-+ return 0;
-+}
-+
-+static void __exit ip_set_fini(void)
-+{
-+ /* There can't be any existing set or binding */
-+ nf_unregister_sockopt(&so_set);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ DP("these are the famous last words");
-+}
-+
-+EXPORT_SYMBOL(ip_set_register_set_type);
-+EXPORT_SYMBOL(ip_set_unregister_set_type);
-+
-+EXPORT_SYMBOL(ip_set_get_byname);
-+EXPORT_SYMBOL(ip_set_get_byindex);
-+EXPORT_SYMBOL(ip_set_put_byindex);
-+EXPORT_SYMBOL(ip_set_id);
-+EXPORT_SYMBOL(__ip_set_get_byname);
-+EXPORT_SYMBOL(__ip_set_put_byindex);
-+
-+EXPORT_SYMBOL(ip_set_addip_kernel);
-+EXPORT_SYMBOL(ip_set_delip_kernel);
-+EXPORT_SYMBOL(ip_set_testip_kernel);
-+
-+module_init(ip_set_init);
-+module_exit(ip_set_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iphash.c
-@@ -0,0 +1,166 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_iphash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iphash, test)
-+KADT(iphash, test, ipaddr)
-+
-+static inline int
-+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+
-+ if (!ip || map->elements >= limit)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+
-+ return __iphash_add(map, hash_ip);
-+}
-+
-+UADT(iphash, add)
-+KADT(iphash, add, ipaddr)
-+
-+static inline void
-+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map)
-+{
-+ tmp->netmask = map->netmask;
-+}
-+
-+HASH_RETRY(iphash, ip_set_ip_t)
-+
-+static inline int
-+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ id = iphash_id(set, hash_ip, ip);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(iphash, del)
-+KADT(iphash, del, ipaddr)
-+
-+static inline int
-+__iphash_create(const struct ip_set_req_iphash_create *req,
-+ struct ip_set_iphash *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(iphash, ip_set_ip_t)
-+HASH_DESTROY(iphash)
-+
-+HASH_FLUSH(iphash, ip_set_ip_t)
-+
-+static inline void
-+__iphash_list_header(const struct ip_set_iphash *map,
-+ struct ip_set_req_iphash_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+HASH_LIST_HEADER(iphash)
-+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(iphash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(iphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipmap.c
-@@ -0,0 +1,142 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the single bitmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
-+
-+static inline ip_set_ip_t
-+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
-+{
-+ return (ip - map->first_ip)/map->hosts;
-+}
-+
-+static inline int
-+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return !!test_bit(ip_to_id(map, *hash_ip), map->members);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(ipmap, test)
-+KADT(ipmap, test, ipaddr)
-+
-+static inline int
-+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, add)
-+KADT(ipmap, add, ipaddr)
-+
-+static inline int
-+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, del)
-+KADT(ipmap, del, ipaddr)
-+
-+static inline int
-+__ipmap_create(const struct ip_set_req_ipmap_create *req,
-+ struct ip_set_ipmap *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ if (req->netmask == 0xFFFFFFFF) {
-+ map->hosts = 1;
-+ map->sizeid = map->last_ip - map->first_ip + 1;
-+ } else {
-+ unsigned int mask_bits, netmask_bits;
-+ ip_set_ip_t mask;
-+
-+ map->first_ip &= map->netmask; /* Should we better bark? */
-+
-+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
-+ netmask_bits = mask_to_bits(map->netmask);
-+
-+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF))
-+ || netmask_bits <= mask_bits)
-+ return -ENOEXEC;
-+
-+ DP("mask_bits %u, netmask_bits %u",
-+ mask_bits, netmask_bits);
-+ map->hosts = 2 << (32 - netmask_bits - 1);
-+ map->sizeid = 2 << (netmask_bits - mask_bits - 1);
-+ }
-+ if (map->sizeid > MAX_RANGE + 1) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ map->sizeid, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid);
-+ return bitmap_bytes(0, map->sizeid - 1);
-+}
-+
-+BITMAP_CREATE(ipmap)
-+BITMAP_DESTROY(ipmap)
-+BITMAP_FLUSH(ipmap)
-+
-+static inline void
-+__ipmap_list_header(const struct ip_set_ipmap *map,
-+ struct ip_set_req_ipmap_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+BITMAP_LIST_HEADER(ipmap)
-+BITMAP_LIST_MEMBERS_SIZE(ipmap)
-+BITMAP_LIST_MEMBERS(ipmap)
-+
-+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipmap type of IP sets");
-+
-+REGISTER_MODULE(ipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipporthash.c
-@@ -0,0 +1,203 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipporthash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port; \
-+ \
-+ if (flags[index+1] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipporthash, test, req->port)
-+KADT(ipporthash, test, ipaddr, port)
-+
-+static inline int
-+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ return __ipporthash_add(map, hash_ip);
-+}
-+
-+UADT(ipporthash, add, req->port)
-+KADT(ipporthash, add, ipaddr, port)
-+
-+static inline void
-+__ipporthash_retry(struct ip_set_ipporthash *tmp,
-+ struct ip_set_ipporthash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY(ipporthash, ip_set_ip_t)
-+
-+static inline int
-+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ ip_set_ip_t id;
-+ ip_set_ip_t *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipporthash_id(set, hash_ip, ip, port);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipporthash, del, req->port)
-+KADT(ipporthash, del, ipaddr, port)
-+
-+static inline int
-+__ipporthash_create(const struct ip_set_req_ipporthash_create *req,
-+ struct ip_set_ipporthash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipporthash, ip_set_ip_t)
-+HASH_DESTROY(ipporthash)
-+HASH_FLUSH(ipporthash, ip_set_ip_t)
-+
-+static inline void
-+__ipporthash_list_header(const struct ip_set_ipporthash *map,
-+ struct ip_set_req_ipporthash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipporthash)
-+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipporthash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipporthash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c
-@@ -0,0 +1,216 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportiphash, test, req->port, req->ip1)
-+KADT(ipportiphash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportip_add(struct ip_set_ipportiphash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportiphash_add(struct ip_set_ipportiphash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportip_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ return __ipportip_add(map, *hash_ip, ip1);
-+}
-+
-+UADT(ipportiphash, add, req->port, req->ip1)
-+KADT(ipportiphash, add, ipaddr, port, ip1)
-+
-+static inline void
-+__ipportiphash_retry(struct ip_set_ipportiphash *tmp,
-+ struct ip_set_ipportiphash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY2(ipportiphash, struct ipportip)
-+
-+static inline int
-+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipportiphash_id(set, hash_ip, ip, port, ip1);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipportiphash, del, req->port, req->ip1)
-+KADT(ipportiphash, del, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req,
-+ struct ip_set_ipportiphash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportiphash, struct ipportip)
-+HASH_DESTROY(ipportiphash)
-+HASH_FLUSH(ipportiphash, struct ipportip)
-+
-+static inline void
-+__ipportiphash_list_header(const struct ip_set_ipportiphash *map,
-+ struct ip_set_req_ipportiphash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportiphash)
-+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportiphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportiphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c
-@@ -0,0 +1,304 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+net hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+static int
-+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_ipportnethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32
-+ ? ipportnethash_test(set, hash_ip, req->ip, req->port,
-+ req->ip1)
-+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port,
-+ req->ip1, req->cidr));
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+KADT(ipportnethash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportnet_add(struct ip_set_ipportnethash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportnethash_add(struct ip_set_ipportnethash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportnet_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ struct ipportip;
-+ int ret;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+ if (map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ ret =__ipportnet_add(map, *hash_ip, ip1);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_ipportnethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportnethash, add, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, add, ipaddr, port, ip1, cidr)
-+
-+static inline void
-+__ipportnethash_retry(struct ip_set_ipportnethash *tmp,
-+ struct ip_set_ipportnethash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY2(ipportnethash, struct ipportip)
-+
-+static inline int
-+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+
-+ return 0;
-+}
-+
-+UADT(ipportnethash, del, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, del, ipaddr, port, ip1, cidr)
-+
-+static inline int
-+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req,
-+ struct ip_set_ipportnethash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportnethash, struct ipportip)
-+HASH_DESTROY(ipportnethash)
-+HASH_FLUSH_CIDR(ipportnethash, struct ipportip);
-+
-+static inline void
-+__ipportnethash_list_header(const struct ip_set_ipportnethash *map,
-+ struct ip_set_req_ipportnethash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportnethash)
-+
-+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportnethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportnethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptree.c
-@@ -0,0 +1,466 @@
-+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the iptree type */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptree.h>
-+
-+static int limit = MAX_RANGE;
-+
-+/* Garbage collection interval in seconds: */
-+#define IPTREE_GC_TIME 5*60
-+/* Sleep so many milliseconds before trying again
-+ * to delete the gc timer at destroying/flushing a set */
-+#define IPTREE_DESTROY_SLEEP 100
-+
-+static __KMEM_CACHE_T__ *branch_cachep;
-+static __KMEM_CACHE_T__ *leaf_cachep;
-+
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[3]; \
-+ b = ((unsigned char *)addrp)[2]; \
-+ c = ((unsigned char *)addrp)[1]; \
-+ d = ((unsigned char *)addrp)[0]; \
-+} while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return 0; \
-+} while (0)
-+
-+static inline int
-+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
-+ TESTIP_WALK(map, a, btree);
-+ TESTIP_WALK(btree, b, ctree);
-+ TESTIP_WALK(ctree, c, dtree);
-+ DP("%lu %lu", dtree->expires[d], jiffies);
-+ return dtree->expires[d]
-+ && (!map->timeout
-+ || time_after(dtree->expires[d], jiffies));
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptree, test)
-+KADT(iptree, test, ipaddr)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \
-+ if ((map)->tree[elem]) { \
-+ DP("found %u", elem); \
-+ branch = (map)->tree[elem]; \
-+ } else { \
-+ branch = (type *) \
-+ kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (branch == NULL) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ DP("alloc %u", elem); \
-+ } \
-+} while (0)
-+
-+static inline int
-+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, unsigned int timeout)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ int ret = 0;
-+
-+ if (!ip || map->elements >= limit)
-+ /* We could call the garbage collector
-+ * but it's probably overkill */
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ ret = -EEXIST;
-+ if (map->timeout && timeout == 0)
-+ timeout = map->timeout;
-+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
-+ /* Lottery: I won! */
-+ if (dtree->expires[d] == 0)
-+ dtree->expires[d] = 1;
-+ DP("%u %lu", d, dtree->expires[d]);
-+ if (ret == 0)
-+ map->elements++;
-+ return ret;
-+}
-+
-+UADT(iptree, add, req->timeout)
-+KADT(iptree, add, ipaddr, 0)
-+
-+#define DELIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return -EEXIST; \
-+} while (0)
-+
-+static inline int
-+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DELIP_WALK(map, a, btree);
-+ DELIP_WALK(btree, b, ctree);
-+ DELIP_WALK(ctree, c, dtree);
-+
-+ if (dtree->expires[d]) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ return 0;
-+ }
-+ return -EEXIST;
-+}
-+
-+UADT(iptree, del)
-+KADT(iptree, del, ipaddr)
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) \
-+ continue; \
-+ branch = (map)->tree[i]
-+
-+#define LOOP_WALK_END }
-+
-+static void
-+ip_tree_gc(unsigned long ul_set)
-+{
-+ struct ip_set *set = (struct ip_set *) ul_set;
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned char i,j,k;
-+
-+ i = j = k = 0;
-+ DP("gc: %s", set->name);
-+ write_lock_bh(&set->lock);
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]) {
-+ DP("gc: %u %u %u %u: expires %lu jiffies %lu",
-+ a, b, c, d,
-+ dtree->expires[d], jiffies);
-+ if (map->timeout
-+ && time_before(dtree->expires[d], jiffies)) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ } else
-+ k = 1;
-+ }
-+ }
-+ if (k == 0) {
-+ DP("gc: %s: leaf %u %u %u empty",
-+ set->name, a, b, c);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ ctree->tree[c] = NULL;
-+ } else {
-+ DP("gc: %s: leaf %u %u %u not empty",
-+ set->name, a, b, c);
-+ j = 1;
-+ k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (j == 0) {
-+ DP("gc: %s: branch %u %u empty",
-+ set->name, a, b);
-+ kmem_cache_free(branch_cachep, ctree);
-+ btree->tree[b] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u %u not empty",
-+ set->name, a, b);
-+ i = 1;
-+ j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (i == 0) {
-+ DP("gc: %s: branch %u empty",
-+ set->name, a);
-+ kmem_cache_free(branch_cachep, btree);
-+ map->tree[a] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u not empty",
-+ set->name, a);
-+ i = j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* Even if there is no timeout for the entries,
-+ * we still have to call gc because delete
-+ * do not clean up empty branches */
-+ map->gc_interval = IPTREE_GC_TIME;
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = ip_tree_gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptree_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptree_create *req = data;
-+ struct ip_set_iptree *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptree_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %lu)",
-+ sizeof(struct ip_set_req_iptree_create),
-+ (unsigned long)size);
-+ return -EINVAL;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %zu bytes",
-+ sizeof(struct ip_set_iptree));
-+ return -ENOMEM;
-+ }
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = req->timeout;
-+ map->elements = 0;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptree *map)
-+{
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, ctree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, btree);
-+ LOOP_WALK_END;
-+ map->elements = 0;
-+}
-+
-+static void
-+iptree_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+iptree_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ unsigned int timeout = map->timeout;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = timeout;
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptree_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_req_iptree_create *header = data;
-+
-+ header->timeout = map->timeout;
-+}
-+
-+static int
-+iptree_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned int count = 0;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ count++;
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+
-+ DP("members %u", count);
-+ return (count * sizeof(struct ip_set_req_iptree));
-+}
-+
-+static void
-+iptree_list_members(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ size_t offset = 0;
-+ struct ip_set_req_iptree *entry;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
-+ entry = data + offset;
-+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ entry->timeout = !map->timeout ? 0
-+ : (dtree->expires[d] - jiffies)/HZ;
-+ offset += sizeof(struct ip_set_req_iptree);
-+ }
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+}
-+
-+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptree type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_iptree_init(void)
-+{
-+ int ret;
-+
-+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb));
-+ if (!branch_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed));
-+ if (!leaf_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
-+ ret = -ENOMEM;
-+ goto free_branch;
-+ }
-+ ret = ip_set_register_set_type(&ip_set_iptree);
-+ if (ret == 0)
-+ goto out;
-+
-+ kmem_cache_destroy(leaf_cachep);
-+ free_branch:
-+ kmem_cache_destroy(branch_cachep);
-+ out:
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptree_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iptree);
-+ kmem_cache_destroy(leaf_cachep);
-+ kmem_cache_destroy(branch_cachep);
-+}
-+
-+module_init(ip_set_iptree_init);
-+module_exit(ip_set_iptree_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptreemap.c
-@@ -0,0 +1,708 @@
-+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ */
-+
-+/* This modules implements the iptreemap ipset type. It uses bitmaps to
-+ * represent every single IPv4 address as a bit. The bitmaps are managed in a
-+ * tree structure, where the first three octets of an address are used as an
-+ * index to find the bitmap and the last octet is used as the bit number.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptreemap.h>
-+
-+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60)
-+#define IPTREEMAP_DESTROY_SLEEP (100)
-+
-+static __KMEM_CACHE_T__ *cachep_b;
-+static __KMEM_CACHE_T__ *cachep_c;
-+static __KMEM_CACHE_T__ *cachep_d;
-+
-+static struct ip_set_iptreemap_d *fullbitmap_d;
-+static struct ip_set_iptreemap_c *fullbitmap_c;
-+static struct ip_set_iptreemap_b *fullbitmap_b;
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a, b, c, d, addr) \
-+ do { \
-+ a = ((unsigned char *)addr)[3]; \
-+ b = ((unsigned char *)addr)[2]; \
-+ c = ((unsigned char *)addr)[1]; \
-+ d = ((unsigned char *)addr)[0]; \
-+ } while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) \
-+ return 0; \
-+ else if (branch == full) \
-+ return 1; \
-+ } while (0)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ } else if (branch == full) { \
-+ return -EEXIST; \
-+ } \
-+ } while (0)
-+
-+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch != full) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch) \
-+ free(branch); \
-+ (map)->tree[a] = full; \
-+ continue; \
-+ } else if (!branch) { \
-+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define ADDIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ return -EEXIST; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*full)); \
-+ (map)->tree[elem] = branch; \
-+ } \
-+ } while (0)
-+
-+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch != full) \
-+ free(branch); \
-+ (map)->tree[a] = NULL; \
-+ continue; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define DELIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue;
-+
-+#define LOOP_WALK_END() \
-+ }
-+
-+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \
-+ count = -256; \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue; \
-+ count++; \
-+ if (branch == full) { \
-+ count++; \
-+ continue; \
-+ }
-+
-+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \
-+ if (-256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = NULL; \
-+ } else if (256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = full; \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) { \
-+ if (inrange) { \
-+ count++; \
-+ inrange = 0; \
-+ } \
-+ continue; \
-+ } \
-+ branch = (map)->tree[i];
-+
-+#define LOOP_WALK_END_COUNT() \
-+ }
-+
-+#define GETVALUE1(a, a1, b1, r) \
-+ (a == a1 ? b1 : r)
-+
-+#define GETVALUE2(a, b, a1, b1, c1, r) \
-+ (a == a1 && b == b1 ? c1 : r)
-+
-+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \
-+ (a == a1 && b == b1 && c == c1 ? d1 : r)
-+
-+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE1(a, a1, b1, 0) == 0 \
-+ && GETVALUE1(a, a2, b2, 255) == 255 \
-+ && c1 == 0 \
-+ && c2 == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \
-+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \
-+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \
-+ )
-+
-+
-+static inline void
-+free_d(struct ip_set_iptreemap_d *map)
-+{
-+ kmem_cache_free(cachep_d, map);
-+}
-+
-+static inline void
-+free_c(struct ip_set_iptreemap_c *map)
-+{
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, dtree) {
-+ if (dtree != fullbitmap_d)
-+ free_d(dtree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_c, map);
-+}
-+
-+static inline void
-+free_b(struct ip_set_iptreemap_b *map)
-+{
-+ struct ip_set_iptreemap_c *ctree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, ctree) {
-+ if (ctree != fullbitmap_c)
-+ free_c(ctree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_b, map);
-+}
-+
-+static inline int
-+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ TESTIP_WALK(map, a, btree, fullbitmap_b);
-+ TESTIP_WALK(btree, b, ctree, fullbitmap_c);
-+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d);
-+
-+ return !!test_bit(d, (void *) dtree->bitmap);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptreemap, test)
-+KADT(iptreemap, test, ipaddr)
-+
-+static inline int
-+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d);
-+
-+ if (__test_and_set_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __addip_single(set, hash_ip, start);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) {
-+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) {
-+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __set_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end))
-+KADT(iptreemap, add, ipaddr, ip)
-+
-+static inline int
-+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags);
-+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags);
-+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags);
-+
-+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __delip_single(set, hash_ip, start, flags);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) {
-+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) {
-+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __clear_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL)
-+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC)
-+
-+/* Check the status of the bitmap
-+ * -1 == all bits cleared
-+ * 1 == all bits set
-+ * 0 == anything else
-+ */
-+static inline int
-+bitmap_status(struct ip_set_iptreemap_d *dtree)
-+{
-+ unsigned char first = dtree->bitmap[0];
-+ int a;
-+
-+ for (a = 1; a < 32; a++)
-+ if (dtree->bitmap[a] != first)
-+ return 0;
-+
-+ return (first == 0 ? -1 : (first == 255 ? 1 : 0));
-+}
-+
-+static void
-+gc(unsigned long addr)
-+{
-+ struct ip_set *set = (struct ip_set *) addr;
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c;
-+ int i, j, k;
-+
-+ write_lock_bh(&set->lock);
-+
-+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) {
-+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) {
-+ if (!__test_and_clear_bit(b, (void *) btree->dirty))
-+ continue;
-+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) {
-+ switch (bitmap_status(dtree)) {
-+ case -1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = NULL;
-+ k--;
-+ break;
-+ case 1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = fullbitmap_d;
-+ k++;
-+ break;
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k);
-+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j);
-+
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptreemap_create *req = data;
-+ struct ip_set_iptreemap *map;
-+
-+ map = kzalloc(sizeof(*map), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+
-+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptreemap *map)
-+{
-+ struct ip_set_iptreemap_b *btree;
-+ unsigned int a;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ if (btree != fullbitmap_b)
-+ free_b(btree);
-+ LOOP_WALK_END();
-+}
-+
-+static void
-+iptreemap_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void
-+iptreemap_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+
-+ memset(map, 0, sizeof(*map));
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptreemap_list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_req_iptreemap_create *header = data;
-+
-+ header->gc_interval = map->gc_interval;
-+}
-+
-+static int
-+iptreemap_list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0, count = 0;
-+
-+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ inrange = 1;
-+ } else if (inrange) {
-+ count++;
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+
-+ if (inrange)
-+ count++;
-+
-+ return (count * sizeof(struct ip_set_req_iptreemap));
-+}
-+
-+static inline u_int32_t
-+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_req_iptreemap *entry = data + offset;
-+
-+ entry->ip = start;
-+ entry->end = end;
-+
-+ return sizeof(*entry);
-+}
-+
-+static void
-+iptreemap_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0;
-+ size_t offset = 0;
-+ ip_set_ip_t start = 0, end = 0, ip;
-+
-+ LOOP_WALK_BEGIN(map, a, btree) {
-+ LOOP_WALK_BEGIN(btree, b, ctree) {
-+ LOOP_WALK_BEGIN(ctree, c, dtree) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ if (!inrange) {
-+ inrange = 1;
-+ start = ip;
-+ } else if (end < ip - 1) {
-+ offset += add_member(data, offset, start, end);
-+ start = ip;
-+ }
-+ end = ip;
-+ } else if (inrange) {
-+ offset += add_member(data, offset, start, end);
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+
-+ if (inrange)
-+ add_member(data, offset, start, end);
-+}
-+
-+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>");
-+MODULE_DESCRIPTION("iptreemap type of IP sets");
-+
-+static int __init ip_set_iptreemap_init(void)
-+{
-+ int ret = -ENOMEM;
-+ int a;
-+
-+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b",
-+ sizeof(struct ip_set_iptreemap_b));
-+ if (!cachep_b) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache");
-+ goto out;
-+ }
-+
-+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c",
-+ sizeof(struct ip_set_iptreemap_c));
-+ if (!cachep_c) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache");
-+ goto outb;
-+ }
-+
-+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d",
-+ sizeof(struct ip_set_iptreemap_d));
-+ if (!cachep_d) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache");
-+ goto outc;
-+ }
-+
-+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL);
-+ if (!fullbitmap_d)
-+ goto outd;
-+
-+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL);
-+ if (!fullbitmap_c)
-+ goto outbitmapd;
-+
-+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL);
-+ if (!fullbitmap_b)
-+ goto outbitmapc;
-+
-+ ret = ip_set_register_set_type(&ip_set_iptreemap);
-+ if (0 > ret)
-+ goto outbitmapb;
-+
-+ /* Now init our global bitmaps */
-+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap));
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_c->tree[a] = fullbitmap_d;
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_b->tree[a] = fullbitmap_c;
-+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty));
-+
-+ return 0;
-+
-+outbitmapb:
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+outbitmapc:
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+outbitmapd:
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+outd:
-+ kmem_cache_destroy(cachep_d);
-+outc:
-+ kmem_cache_destroy(cachep_c);
-+outb:
-+ kmem_cache_destroy(cachep_b);
-+out:
-+
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptreemap_fini(void)
-+{
-+ ip_set_unregister_set_type(&ip_set_iptreemap);
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+ kmem_cache_destroy(cachep_d);
-+ kmem_cache_destroy(cachep_c);
-+ kmem_cache_destroy(cachep_b);
-+}
-+
-+module_init(ip_set_iptreemap_init);
-+module_exit(ip_set_iptreemap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_macipmap.c
-@@ -0,0 +1,164 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the macipmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/if_ether.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
-+
-+static int
-+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ const struct ip_set_req_macipmap *req = data;
-+
-+ if (req->ip < map->first_ip || req->ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = req->ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));
-+ if (table[req->ip - map->first_ip].match) {
-+ return (memcmp(req->ethernet,
-+ &table[req->ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0);
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+static int
-+macipmap_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ ip_set_ip_t ip;
-+
-+ ip = ipaddr(skb, flags[index]);
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return 0;
-+
-+ *hash_ip = ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (table[ip - map->first_ip].match) {
-+ /* Is mac pointer valid?
-+ * If so, compare... */
-+ return (skb_mac_header(skb) >= skb->head
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data
-+ && (memcmp(eth_hdr(skb)->h_source,
-+ &table[ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0));
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+/* returns 0 on success */
-+static inline int
-+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, const unsigned char *ethernet)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
-+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET;
-+ return 0;
-+}
-+
-+#define KADT_CONDITION \
-+ if (!(skb_mac_header(skb) >= skb->head \
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\
-+ return -EINVAL;
-+
-+UADT(macipmap, add, req->ethernet)
-+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source)
-+
-+static inline int
-+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ table[ip - map->first_ip].match = 0;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return 0;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION
-+
-+UADT(macipmap, del)
-+KADT(macipmap, del, ipaddr)
-+
-+static inline int
-+__macipmap_create(const struct ip_set_req_macipmap_create *req,
-+ struct ip_set_macipmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->flags = req->flags;
-+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip);
-+}
-+
-+BITMAP_CREATE(macipmap)
-+BITMAP_DESTROY(macipmap)
-+BITMAP_FLUSH(macipmap)
-+
-+static inline void
-+__macipmap_list_header(const struct ip_set_macipmap *map,
-+ struct ip_set_req_macipmap_create *header)
-+{
-+ header->flags = map->flags;
-+}
-+
-+BITMAP_LIST_HEADER(macipmap)
-+BITMAP_LIST_MEMBERS_SIZE(macipmap)
-+BITMAP_LIST_MEMBERS(macipmap)
-+
-+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("macipmap type of IP sets");
-+
-+REGISTER_MODULE(macipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_nethash.c
-@@ -0,0 +1,225 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a cidr nethash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_nethash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+nethash_id_cidr(const struct ip_set_nethash *map,
-+ ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip,
-+ uint8_t cidr)
-+{
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ if (!*hash_ip)
-+ return MAX_RANGE;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+
-+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (nethash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+static int
-+nethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_nethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip)
-+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr));
-+}
-+
-+#define KADT_CONDITION
-+
-+KADT(nethash, test, ipaddr)
-+
-+static inline int
-+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ int ret;
-+
-+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ ret = __nethash_add(map, hash_ip);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_nethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31;
-+
-+UADT(nethash, add, req->cidr)
-+KADT(nethash, add, ipaddr, cidr)
-+
-+static inline void
-+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map)
-+{
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY(nethash, ip_set_ip_t)
-+
-+static inline int
-+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = nethash_id_cidr(map, hash_ip, ip, cidr);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+ return 0;
-+}
-+
-+UADT(nethash, del, req->cidr)
-+KADT(nethash, del, ipaddr, cidr)
-+
-+static inline int
-+__nethash_create(const struct ip_set_req_nethash_create *req,
-+ struct ip_set_nethash *map)
-+{
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(nethash, ip_set_ip_t)
-+HASH_DESTROY(nethash)
-+
-+HASH_FLUSH_CIDR(nethash, ip_set_ip_t)
-+
-+static inline void
-+__nethash_list_header(const struct ip_set_nethash *map,
-+ struct ip_set_req_nethash_create *header)
-+{
-+}
-+
-+HASH_LIST_HEADER(nethash)
-+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(nethash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("nethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(nethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_portmap.c
-@@ -0,0 +1,114 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a port set type as a bitmap */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_portmap.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static inline int
-+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port,
-+ ip_set_ip_t port)
-+{
-+ const struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_port = port;
-+ DP("set: %s, port:%u, %u", set->name, port, *hash_port);
-+ return !!test_bit(port - map->first_ip, map->members);
-+}
-+
-+#define KADT_CONDITION \
-+ if (ip == INVALID_PORT) \
-+ return 0;
-+
-+UADT(portmap, test)
-+KADT(portmap, test, get_port)
-+
-+static inline int
-+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (test_and_set_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, add)
-+KADT(portmap, add, get_port)
-+
-+static inline int
-+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, del)
-+KADT(portmap, del, get_port)
-+
-+static inline int
-+__portmap_create(const struct ip_set_req_portmap_create *req,
-+ struct ip_set_portmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ return bitmap_bytes(req->from, req->to);
-+}
-+
-+BITMAP_CREATE(portmap)
-+BITMAP_DESTROY(portmap)
-+BITMAP_FLUSH(portmap)
-+
-+static inline void
-+__portmap_list_header(const struct ip_set_portmap *map,
-+ struct ip_set_req_portmap_create *header)
-+{
-+}
-+
-+BITMAP_LIST_HEADER(portmap)
-+BITMAP_LIST_MEMBERS_SIZE(portmap)
-+BITMAP_LIST_MEMBERS(portmap)
-+
-+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("portmap type of IP sets");
-+
-+REGISTER_MODULE(portmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_setlist.c
-@@ -0,0 +1,330 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the setlist type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_setlist.h>
-+
-+/*
-+ * before ==> index, ref
-+ * after ==> ref, index
-+ */
-+
-+static inline int
-+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ return i < map->size && map->index[i] == index;
-+}
-+
-+static int
-+setlist_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = 0;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return 0;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return 0;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before && map->index[i] == index) {
-+ res = next_index_eq(map, i + 1, ref);
-+ break;
-+ } else if (!req->before) {
-+ if ((ref == IP_SET_INVALID_ID
-+ && map->index[i] == index)
-+ || (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index))) {
-+ res = 1;
-+ break;
-+ }
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = 0;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res == 0; i++)
-+ res = ip_set_testip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ ip_set_id_t tmp;
-+ int j;
-+
-+ DP("i: %u, last %u\n", i, map->index[map->size - 1]);
-+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID)
-+ return -ERANGE;
-+
-+ for (j = i; j < map->size
-+ && index != IP_SET_INVALID_ID; j++) {
-+ tmp = map->index[j];
-+ map->index[j] = index;
-+ index = tmp;
-+ }
-+ return 0;
-+}
-+
-+static int
-+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -ERANGE;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ /* "Loop detection" */
-+ if (strcmp(s->type->typename, "setlist") == 0)
-+ goto finish;
-+
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID) {
-+ res = -EEXIST;
-+ goto finish;
-+ }
-+ }
-+ for (i = 0; i < map->size; i++) {
-+ if (map->index[i] != ref)
-+ continue;
-+ if (req->before)
-+ res = insert_setlist(map, i, index);
-+ else
-+ res = insert_setlist(map,
-+ ref == IP_SET_INVALID_ID ? i : i + 1,
-+ index);
-+ break;
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+ /* In case of success, we keep the reference to the set */
-+finish:
-+ if (res != 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kadd(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_addip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+unshift_setlist(struct ip_set_setlist *map, int i)
-+{
-+ int j;
-+
-+ for (j = i; j < map->size - 1; j++)
-+ map->index[j] = map->index[j+1];
-+ map->index[map->size-1] = IP_SET_INVALID_ID;
-+ return 0;
-+}
-+
-+static int
-+setlist_udel(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -EEXIST;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before) {
-+ if (map->index[i] == index
-+ && next_index_eq(map, i + 1, ref)) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (ref == IP_SET_INVALID_ID) {
-+ if (map->index[i] == index) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index)) {
-+ res = unshift_setlist(map, i + 1);
-+ break;
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ /* In case of success, release the reference to the set */
-+ if (res == 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kdel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_delip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static int
-+setlist_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ struct ip_set_setlist *map;
-+ const struct ip_set_req_setlist_create *req = data;
-+ int i;
-+
-+ map = kmalloc(sizeof(struct ip_set_setlist) +
-+ req->size * sizeof(ip_set_id_t), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+ map->size = req->size;
-+ for (i = 0; i < map->size; i++)
-+ map->index[i] = IP_SET_INVALID_ID;
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void
-+setlist_destroy(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++)
-+ __ip_set_put_byindex(map->index[i]);
-+
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+setlist_flush(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ __ip_set_put_byindex(map->index[i]);
-+ map->index[i] = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static void
-+setlist_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ struct ip_set_req_setlist_create *header = data;
-+
-+ header->size = map->size;
-+}
-+
-+static int
-+setlist_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+
-+ return map->size * sizeof(ip_set_id_t);
-+}
-+
-+static void
-+setlist_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size; i++)
-+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]);
-+}
-+
-+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("setlist type of IP sets");
-+
-+REGISTER_MODULE(setlist)
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_set.c
-@@ -0,0 +1,238 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module to match an IP set. */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_match ipt_register_match
-+#define xt_unregister_match ipt_unregister_match
-+#define xt_match ipt_match
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static inline int
-+match_set(const struct ipt_set_info *info,
-+ const struct sk_buff *skb,
-+ int inv)
-+{
-+ if (ip_set_testip_kernel(info->index, skb, info->flags))
-+ inv = !inv;
-+ return inv;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ const void *hdr,
-+ u_int16_t datalen,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ bool *hotdrop)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct xt_match_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_match *info = matchinfo;
-+#else
-+ const struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+ return match_set(&info->match_set,
-+ skb,
-+ info->match_set.flags[0] & IPSET_MATCH_INV);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_ip *ip,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_mtchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return 0;
-+ }
-+#endif
-+
-+ index = ip_set_get_byindex(info->match_set.index);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("Cannot find set indentified by id %u to match",
-+ info->match_set.index);
-+ return 0; /* error */
-+ }
-+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_mtdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return;
-+ }
-+#endif
-+ ip_set_put_byindex(info->match_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .match = &match,
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .family = AF_INET,
-+ .match = &match,
-+ .matchsize = sizeof(struct ipt_set_info_match),
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set match module");
-+
-+static int __init ipt_ipset_init(void)
-+{
-+ return xt_register_match(&set_match);
-+}
-+
-+static void __exit ipt_ipset_fini(void)
-+{
-+ xt_unregister_match(&set_match);
-+}
-+
-+module_init(ipt_ipset_init);
-+module_exit(ipt_ipset_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_SET.c
-@@ -0,0 +1,242 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* ipt_SET.c - netfilter target to manipulate IP sets */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#include <linux/netfilter_ipv4.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_target ipt_register_target
-+#define xt_unregister_target ipt_unregister_target
-+#define xt_target ipt_target
-+#define XT_CONTINUE IPT_CONTINUE
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static unsigned int
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+target(struct sk_buff **pskb,
-+ unsigned int hooknum,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+target(struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+target(struct sk_buff *skb,
-+ const struct xt_target_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+ struct sk_buff *skb = *pskb;
-+#endif
-+
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_addip_kernel(info->add_set.index,
-+ skb,
-+ info->add_set.flags);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_delip_kernel(info->del_set.index,
-+ skb,
-+ info->del_set.flags);
-+
-+ return XT_CONTINUE;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_entry *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_tgchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targinfosize != IPT_ALIGN(sizeof(*info))) {
-+ DP("bad target info size %u", targinfosize);
-+ return 0;
-+ }
-+#endif
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->add_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find add_set index %u as target",
-+ info->add_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+
-+ if (info->del_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->del_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find del_set index %u as target",
-+ info->del_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0
-+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_tgdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targetinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) {
-+ ip_set_printk("invalid targetsize %d", targetsize);
-+ return;
-+ }
-+#endif
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->add_set.index);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->del_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .target = target,
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .family = AF_INET,
-+ .target = target,
-+ .targetsize = sizeof(struct ipt_set_info_target),
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set target module");
-+
-+static int __init ipt_SET_init(void)
-+{
-+ return xt_register_target(&SET_target);
-+}
-+
-+static void __exit ipt_SET_fini(void)
-+{
-+ xt_unregister_target(&SET_target);
-+}
-+
-+module_init(ipt_SET_init);
-+module_exit(ipt_SET_fini);
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -657,5 +657,146 @@ config IP_NF_ARP_MANGLE
- Allows altering the ARP packet payload: source and destination
- hardware and network addresses.
-
-+config IP_NF_SET
-+ tristate "IP set support"
-+ depends on INET && NETFILTER
-+ help
-+ This option adds IP set support to the kernel.
-+ In order to define and use sets, you need the userspace utility
-+ ipset(8).
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MAX
-+ int "Maximum number of IP sets"
-+ default 256
-+ range 2 65534
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the maximum number
-+ of IP sets for the kernel.
-+
-+ The value can be overriden by the 'max_sets' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_HASHSIZE
-+ int "Hash size for bindings of IP sets"
-+ default 1024
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the hash size for
-+ bindings of IP sets.
-+
-+ The value can be overriden by the 'hash_size' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_IPMAP
-+ tristate "ipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MACIPMAP
-+ tristate "macipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the macipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_PORTMAP
-+ tristate "portmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the portmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPHASH
-+ tristate "iphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_NETHASH
-+ tristate "nethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the nethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTHASH
-+ tristate "ipporthash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipporthash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTIPHASH
-+ tristate "ipportiphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportiphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTNETHASH
-+ tristate "ipportnethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportnethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREE
-+ tristate "iptree set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptree set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREEMAP
-+ tristate "iptreemap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptreemap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_SETLIST
-+ tristate "setlist set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the setlist set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_MATCH_SET
-+ tristate "set match support"
-+ depends on IP_NF_SET
-+ help
-+ Set matching matches against given IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_TARGET_SET
-+ tristate "SET target support"
-+ depends on IP_NF_SET
-+ help
-+ The SET target makes possible to add/delete entries
-+ in IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+
- endmenu
-
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -90,6 +90,7 @@ obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
- obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
-+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
- obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
-
- # targets
-@@ -105,6 +106,21 @@ obj-$(CONFIG_IP_NF_TARGET_LOG) += ipt_LO
- obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
- obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o
-+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
-+
-+# sets
-+obj-$(CONFIG_IP_NF_SET) += ip_set.o
-+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
-+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
-+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
-+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
-+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o
-+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
-+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o
-+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o
-
- # generic ARP tables
- obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o
+++ /dev/null
---- a/include/linux/netfilter_ipv4/Kbuild
-+++ b/include/linux/netfilter_ipv4/Kbuild
-@@ -45,3 +45,20 @@ header-y += ipt_ttl.h
-
- unifdef-y += ip_queue.h
- unifdef-y += ip_tables.h
-+
-+unifdef-y += ip_set.h
-+header-y += ip_set_iphash.h
-+unifdef-y += ip_set_bitmaps.h
-+unifdef-y += ip_set_getport.h
-+unifdef-y += ip_set_hashes.h
-+header-y += ip_set_ipmap.h
-+header-y += ip_set_ipporthash.h
-+header-y += ip_set_ipportiphash.h
-+header-y += ip_set_ipportnethash.h
-+unifdef-y += ip_set_iptree.h
-+unifdef-y += ip_set_iptreemap.h
-+header-y += ip_set_jhash.h
-+header-y += ip_set_macipmap.h
-+header-y += ip_set_nethash.h
-+header-y += ip_set_portmap.h
-+header-y += ip_set_setlist.h
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set.h
-@@ -0,0 +1,574 @@
-+#ifndef _IP_SET_H
-+#define _IP_SET_H
-+
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#if 0
-+#define IP_SET_DEBUG
-+#endif
-+
-+/*
-+ * A sockopt of such quality has hardly ever been seen before on the open
-+ * market! This little beauty, hardly ever used: above 64, so it's
-+ * traditionally used for firewalling, not touched (even once!) by the
-+ * 2.0, 2.2 and 2.4 kernels!
-+ *
-+ * Comes with its own certificate of authenticity, valid anywhere in the
-+ * Free world!
-+ *
-+ * Rusty, 19.4.2000
-+ */
-+#define SO_IP_SET 83
-+
-+/*
-+ * Heavily modify by Joakim Axelsson 08.03.2002
-+ * - Made it more modulebased
-+ *
-+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
-+ * - bindings added
-+ * - in order to "deal with" backward compatibility, renamed to ipset
-+ */
-+
-+/*
-+ * Used so that the kernel module and ipset-binary can match their versions
-+ */
-+#define IP_SET_PROTOCOL_VERSION 3
-+
-+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-+
-+/* Lets work with our own typedef for representing an IP address.
-+ * We hope to make the code more portable, possibly to IPv6...
-+ *
-+ * The representation works in HOST byte order, because most set types
-+ * will perform arithmetic operations and compare operations.
-+ *
-+ * For now the type is an uint32_t.
-+ *
-+ * Make sure to ONLY use the functions when translating and parsing
-+ * in order to keep the host byte order and make it more portable:
-+ * parse_ip()
-+ * parse_mask()
-+ * parse_ipandmask()
-+ * ip_tostring()
-+ * (Joakim: where are they???)
-+ */
-+
-+typedef uint32_t ip_set_ip_t;
-+
-+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
-+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
-+ */
-+typedef uint16_t ip_set_id_t;
-+
-+#define IP_SET_INVALID_ID 65535
-+
-+/* How deep we follow bindings */
-+#define IP_SET_MAX_BINDINGS 6
-+
-+/*
-+ * Option flags for kernel operations (ipt_set_info)
-+ */
-+#define IPSET_SRC 0x01 /* Source match/add */
-+#define IPSET_DST 0x02 /* Destination match/add */
-+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-+
-+/*
-+ * Set features
-+ */
-+#define IPSET_TYPE_IP 0x01 /* IP address type of set */
-+#define IPSET_TYPE_PORT 0x02 /* Port type of set */
-+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */
-+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */
-+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */
-+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */
-+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */
-+
-+/* Reserved keywords */
-+#define IPSET_TOKEN_DEFAULT ":default:"
-+#define IPSET_TOKEN_ALL ":all:"
-+
-+/* SO_IP_SET operation constants, and their request struct types.
-+ *
-+ * Operation ids:
-+ * 0-99: commands with version checking
-+ * 100-199: add/del/test/bind/unbind
-+ * 200-299: list, save, restore
-+ */
-+
-+/* Single shot operations:
-+ * version, create, destroy, flush, rename and swap
-+ *
-+ * Sets are identified by name.
-+ */
-+
-+#define IP_SET_REQ_STD \
-+ unsigned op; \
-+ unsigned version; \
-+ char name[IP_SET_MAXNAMELEN]
-+
-+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-+struct ip_set_req_create {
-+ IP_SET_REQ_STD;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-+struct ip_set_req_std {
-+ IP_SET_REQ_STD;
-+};
-+
-+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-+/* Uses ip_set_req_std */
-+
-+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-+/* Uses ip_set_req_create */
-+
-+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-+/* Uses ip_set_req_create */
-+
-+union ip_set_name_index {
-+ char name[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+};
-+
-+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-+struct ip_set_req_get_set {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+};
-+
-+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-+/* Uses ip_set_req_get_set */
-+
-+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-+struct ip_set_req_version {
-+ unsigned op;
-+ unsigned version;
-+};
-+
-+/* Double shots operations:
-+ * add, del, test, bind and unbind.
-+ *
-+ * First we query the kernel to get the index and type of the target set,
-+ * then issue the command. Validity of IP is checked in kernel in order
-+ * to minimalize sockopt operations.
-+ */
-+
-+/* Get minimal set data for add/del/test/bind/unbind IP */
-+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-+struct ip_set_req_adt_get {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_REQ_BYINDEX \
-+ unsigned op; \
-+ ip_set_id_t index;
-+
-+struct ip_set_req_adt {
-+ IP_SET_REQ_BYINDEX;
-+};
-+
-+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+struct ip_set_req_bind {
-+ IP_SET_REQ_BYINDEX;
-+ char binding[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-+/* Uses ip_set_req_bind, with type speficic addage
-+ * index = 0 means unbinding for all sets */
-+
-+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+
-+/* Multiple shots operations: list, save, restore.
-+ *
-+ * - check kernel version and query the max number of sets
-+ * - get the basic information on all sets
-+ * and size required for the next step
-+ * - get actual set data: header, data, bindings
-+ */
-+
-+/* Get max_sets and the index of a queried set
-+ */
-+#define IP_SET_OP_MAX_SETS 0x00000020
-+struct ip_set_req_max_sets {
-+ unsigned op;
-+ unsigned version;
-+ ip_set_id_t max_sets; /* max_sets */
-+ ip_set_id_t sets; /* real number of sets */
-+ union ip_set_name_index set; /* index of set if name used */
-+};
-+
-+/* Get the id and name of the sets plus size for next step */
-+#define IP_SET_OP_LIST_SIZE 0x00000201
-+#define IP_SET_OP_SAVE_SIZE 0x00000202
-+struct ip_set_req_setnames {
-+ unsigned op;
-+ ip_set_id_t index; /* set to list/save */
-+ u_int32_t size; /* size to get setdata/bindings */
-+ /* followed by sets number of struct ip_set_name_list */
-+};
-+
-+struct ip_set_name_list {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ ip_set_id_t id;
-+};
-+
-+/* The actual list operation */
-+#define IP_SET_OP_LIST 0x00000203
-+struct ip_set_req_list {
-+ IP_SET_REQ_BYINDEX;
-+ /* sets number of struct ip_set_list in reply */
-+};
-+
-+struct ip_set_list {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t ref;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+ u_int32_t bindings_size;/* Set bindings data of bindings_size */
-+};
-+
-+struct ip_set_hash_list {
-+ ip_set_ip_t ip;
-+ ip_set_id_t binding;
-+};
-+
-+/* The save operation */
-+#define IP_SET_OP_SAVE 0x00000204
-+/* Uses ip_set_req_list, in the reply replaced by
-+ * sets number of struct ip_set_save plus a marker
-+ * ip_set_save followed by ip_set_hash_save structures.
-+ */
-+struct ip_set_save {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+/* At restoring, ip == 0 means default binding for the given set: */
-+struct ip_set_hash_save {
-+ ip_set_ip_t ip;
-+ ip_set_id_t id;
-+ ip_set_id_t binding;
-+};
-+
-+/* The restore operation */
-+#define IP_SET_OP_RESTORE 0x00000205
-+/* Uses ip_set_req_setnames followed by ip_set_restore structures
-+ * plus a marker ip_set_restore, followed by ip_set_hash_save
-+ * structures.
-+ */
-+struct ip_set_restore {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ u_int32_t header_size; /* Create data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-+{
-+ return 4 * ((((b - a + 8) / 8) + 3) / 4);
-+}
-+
-+/* General limit for the elements in a set */
-+#define MAX_RANGE 0x0000FFFF
-+
-+#ifdef __KERNEL__
-+#include <linux/netfilter_ipv4/ip_set_compat.h>
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+
-+#define ip_set_printk(format, args...) \
-+ do { \
-+ printk("%s: %s: ", __FILE__, __FUNCTION__); \
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+
-+#if defined(IP_SET_DEBUG)
-+#define DP(format, args...) \
-+ do { \
-+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+#define IP_SET_ASSERT(x) \
-+ do { \
-+ if (!(x)) \
-+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ } while (0)
-+#else
-+#define DP(format, args...)
-+#define IP_SET_ASSERT(x)
-+#endif
-+
-+struct ip_set;
-+
-+/*
-+ * The ip_set_type definition - one per set type, e.g. "ipmap".
-+ *
-+ * Each individual set has a pointer, set->type, going to one
-+ * of these structures. Function pointers inside the structure implement
-+ * the real behaviour of the sets.
-+ *
-+ * If not mentioned differently, the implementation behind the function
-+ * pointers of a set_type, is expected to return 0 if ok, and a negative
-+ * errno (e.g. -EINVAL) on error.
-+ */
-+struct ip_set_type {
-+ struct list_head list; /* next in list of set types */
-+
-+ /* test for IP in set (kernel: iptables -m set src|dst)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* test for IP in set (userspace: ipset -T set IP)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /*
-+ * Size of the data structure passed by when
-+ * adding/deletin/testing an entry.
-+ */
-+ u_int32_t reqsize;
-+
-+ /* Add IP into set (userspace: ipset -A set IP)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* Add IP into set (kernel: iptables ... -j SET set src|dst)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* remove IP from set (userspace: ipset -D set --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (kernel: iptables ... -j SET --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* new set creation - allocated type specific items
-+ */
-+ int (*create) (struct ip_set *set,
-+ const void *data, u_int32_t size);
-+
-+ /* retry the operation after successfully tweaking the set
-+ */
-+ int (*retry) (struct ip_set *set);
-+
-+ /* set destruction - free type specific items
-+ * There is no return value.
-+ * Can be called only when child sets are destroyed.
-+ */
-+ void (*destroy) (struct ip_set *set);
-+
-+ /* set flushing - reset all bits in the set, or something similar.
-+ * There is no return value.
-+ */
-+ void (*flush) (struct ip_set *set);
-+
-+ /* Listing: size needed for header
-+ */
-+ u_int32_t header_size;
-+
-+ /* Listing: Get the header
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_header_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_header) (const struct ip_set *set,
-+ void *data);
-+
-+ /* Listing: Get the size for the set members
-+ */
-+ int (*list_members_size) (const struct ip_set *set);
-+
-+ /* Listing: Get the set members
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_member_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_members) (const struct ip_set *set,
-+ void *data);
-+
-+ char typename[IP_SET_MAXNAMELEN];
-+ unsigned char features;
-+ int protocol_version;
-+
-+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */
-+ struct module *me;
-+};
-+
-+extern int ip_set_register_set_type(struct ip_set_type *set_type);
-+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-+
-+/* A generic ipset */
-+struct ip_set {
-+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */
-+ rwlock_t lock; /* lock for concurrency control */
-+ ip_set_id_t id; /* set id for swapping */
-+ ip_set_id_t binding; /* default binding for the set */
-+ atomic_t ref; /* in kernel and in hash references */
-+ struct ip_set_type *type; /* the set types */
-+ void *data; /* pooltype specific data */
-+};
-+
-+/* Structure to bind set elements to sets */
-+struct ip_set_hash {
-+ struct list_head list; /* list of clashing entries in hash */
-+ ip_set_ip_t ip; /* ip from set */
-+ ip_set_id_t id; /* set id */
-+ ip_set_id_t binding; /* set we bind the element to */
-+};
-+
-+/* register and unregister set references */
-+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index);
-+extern void ip_set_put_byindex(ip_set_id_t index);
-+extern ip_set_id_t ip_set_id(ip_set_id_t index);
-+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN],
-+ struct ip_set **set);
-+extern void __ip_set_put_byindex(ip_set_id_t index);
-+
-+/* API for iptables set match, and SET target */
-+extern int ip_set_addip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_delip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_testip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+
-+/* Macros to generate functions */
-+
-+#define STRUCT(pre, type) CONCAT2(pre, type)
-+#define CONCAT2(pre, type) struct pre##type
-+
-+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post)
-+#define CONCAT3(pre, mid, post) pre##mid##post
-+
-+#define UADT0(type, adt, args...) \
-+static int \
-+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\
-+ ip_set_ip_t *hash_ip) \
-+{ \
-+ const STRUCT(ip_set_req_,type) *req = data; \
-+ \
-+ return FNAME(type,_,adt)(set, hash_ip , ## args); \
-+}
-+
-+#define UADT(type, adt, args...) \
-+ UADT0(type, adt, req->ip , ## args)
-+
-+#define KADT(type, adt, getfn, args...) \
-+static int \
-+FNAME(type,_k,adt)(struct ip_set *set, \
-+ const struct sk_buff *skb, \
-+ ip_set_ip_t *hash_ip, \
-+ const u_int32_t *flags, \
-+ unsigned char index) \
-+{ \
-+ ip_set_ip_t ip = getfn(skb, flags[index]); \
-+ \
-+ KADT_CONDITION \
-+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \
-+}
-+
-+#define REGISTER_MODULE(type) \
-+static int __init ip_set_##type##_init(void) \
-+{ \
-+ init_max_page_size(); \
-+ return ip_set_register_set_type(&ip_set_##type); \
-+} \
-+ \
-+static void __exit ip_set_##type##_fini(void) \
-+{ \
-+ /* FIXME: possible race with ip_set_create() */ \
-+ ip_set_unregister_set_type(&ip_set_##type); \
-+} \
-+ \
-+module_init(ip_set_##type##_init); \
-+module_exit(ip_set_##type##_fini);
-+
-+/* Common functions */
-+
-+static inline ip_set_ip_t
-+ipaddr(const struct sk_buff *skb, u_int32_t flag)
-+{
-+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr);
-+}
-+
-+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i))
-+
-+#define pack_ip_port(map, ip, port) \
-+ (port + ((ip - ((map)->first_ip)) << 16))
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h
-@@ -0,0 +1,121 @@
-+#ifndef __IP_SET_BITMAPS_H
-+#define __IP_SET_BITMAPS_H
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define BITMAP_CREATE(type) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ int newbytes; \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ \
-+ if (req->from > req->to) { \
-+ DP("bad range"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type)); \
-+ return -ENOMEM; \
-+ } \
-+ map->first_ip = req->from; \
-+ map->last_ip = req->to; \
-+ \
-+ newbytes = __##type##_create(req, map); \
-+ if (newbytes < 0) { \
-+ kfree(map); \
-+ return newbytes; \
-+ } \
-+ \
-+ map->size = newbytes; \
-+ map->members = ip_set_malloc(newbytes); \
-+ if (!map->members) { \
-+ DP("out of memory for %i bytes", newbytes); \
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ memset(map->members, 0, newbytes); \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define BITMAP_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ ip_set_free(map->members, map->size); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define BITMAP_FLUSH(type) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ memset(map->members, 0, map->size); \
-+}
-+
-+#define BITMAP_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->from = map->first_ip; \
-+ header->to = map->last_ip; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define BITMAP_LIST_MEMBERS_SIZE(type) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return map->size; \
-+}
-+
-+#define BITMAP_LIST_MEMBERS(type) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ memcpy(data, map->members, map->size); \
-+}
-+
-+#define IP_SET_TYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+#endif /* __KERNEL */
-+
-+#endif /* __IP_SET_BITMAPS_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_compat.h
-@@ -0,0 +1,71 @@
-+#ifndef _IP_SET_COMPAT_H
-+#define _IP_SET_COMPAT_H
-+
-+#ifdef __KERNEL__
-+#include <linux/version.h>
-+
-+/* Arrgh */
-+#ifdef MODULE
-+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo)
-+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo)
-+#else
-+#define __MOD_INC(foo) 1
-+#define __MOD_DEC(foo)
-+#endif
-+
-+/* Backward compatibility */
-+#ifndef __nocast
-+#define __nocast
-+#endif
-+#ifndef __bitwise__
-+#define __bitwise__
-+#endif
-+
-+/* Compatibility glue code */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#include <linux/interrupt.h>
-+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED
-+#define try_module_get(x) __MOD_INC(x)
-+#define module_put(x) __MOD_DEC(x)
-+#define __clear_bit(nr, addr) clear_bit(nr, addr)
-+#define __set_bit(nr, addr) set_bit(nr, addr)
-+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr)
-+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr)
-+
-+typedef unsigned __bitwise__ gfp_t;
-+
-+static inline void *kzalloc(size_t size, gfp_t flags)
-+{
-+ void *data = kmalloc(size, flags);
-+
-+ if (data)
-+ memset(data, 0, size);
-+
-+ return data;
-+}
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-+#define __KMEM_CACHE_T__ kmem_cache_t
-+#else
-+#define __KMEM_CACHE_T__ struct kmem_cache
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
-+#define ip_hdr(skb) ((skb)->nh.iph)
-+#define skb_mac_header(skb) ((skb)->mac.raw)
-+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb))
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+#include <linux/netfilter.h>
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL, NULL)
-+#else
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL)
-+#endif
-+
-+
-+#endif /* __KERNEL__ */
-+#endif /* _IP_SET_COMPAT_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_getport.h
-@@ -0,0 +1,48 @@
-+#ifndef _IP_SET_GETPORT_H
-+#define _IP_SET_GETPORT_H
-+
-+#ifdef __KERNEL__
-+
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+/* We must handle non-linear skbs */
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+ struct iphdr *iph = ip_hdr(skb);
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr tcph;
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph.source : tcph.dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr udph;
-+
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph.source : udph.dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_GETPORT_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h
-@@ -0,0 +1,306 @@
-+#ifndef __IP_SET_HASHES_H
-+#define __IP_SET_HASHES_H
-+
-+#define initval_t uint32_t
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define HASH_RETRY0(type, dtype, cond) \
-+static int \
-+type##_retry(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data, *tmp; \
-+ dtype *elem; \
-+ void *members; \
-+ u_int32_t i, hashsize = map->hashsize; \
-+ int res; \
-+ \
-+ if (map->resize == 0) \
-+ return -ERANGE; \
-+ \
-+ again: \
-+ res = 0; \
-+ \
-+ /* Calculate new hash size */ \
-+ hashsize += (hashsize * map->resize)/100; \
-+ if (hashsize == map->hashsize) \
-+ hashsize++; \
-+ \
-+ ip_set_printk("rehashing of set %s triggered: " \
-+ "hashsize grows from %lu to %lu", \
-+ set->name, \
-+ (long unsigned)map->hashsize, \
-+ (long unsigned)hashsize); \
-+ \
-+ tmp = kmalloc(sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \
-+ if (!tmp) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\
-+ if (!tmp->members) { \
-+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\
-+ kfree(tmp); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->hashsize = hashsize; \
-+ tmp->elements = 0; \
-+ tmp->probes = map->probes; \
-+ tmp->resize = map->resize; \
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\
-+ __##type##_retry(tmp, map); \
-+ \
-+ write_lock_bh(&set->lock); \
-+ map = set->data; /* Play safe */ \
-+ for (i = 0; i < map->hashsize && res == 0; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ if (cond) \
-+ res = __##type##_add(tmp, elem); \
-+ } \
-+ if (res) { \
-+ /* Failure, try again */ \
-+ write_unlock_bh(&set->lock); \
-+ harray_free(tmp->members); \
-+ kfree(tmp); \
-+ goto again; \
-+ } \
-+ \
-+ /* Success at resizing! */ \
-+ members = map->members; \
-+ \
-+ map->hashsize = tmp->hashsize; \
-+ map->members = tmp->members; \
-+ write_unlock_bh(&set->lock); \
-+ \
-+ harray_free(members); \
-+ kfree(tmp); \
-+ \
-+ return 0; \
-+}
-+
-+#define HASH_RETRY(type, dtype) \
-+ HASH_RETRY0(type, dtype, *elem)
-+
-+#define HASH_RETRY2(type, dtype) \
-+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1)
-+
-+#define HASH_CREATE(type, dtype) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ uint16_t i; \
-+ \
-+ if (req->hashsize < 1) { \
-+ ip_set_printk("hashsize too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ if (req->probes < 1) { \
-+ ip_set_printk("probes too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ for (i = 0; i < req->probes; i++) \
-+ get_random_bytes(((initval_t *) map->initval)+i, 4); \
-+ map->elements = 0; \
-+ map->hashsize = req->hashsize; \
-+ map->probes = req->probes; \
-+ map->resize = req->resize; \
-+ if (__##type##_create(req, map)) { \
-+ kfree(map); \
-+ return -ENOEXEC; \
-+ } \
-+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\
-+ if (!map->members) { \
-+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define HASH_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ harray_free(map->members); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define HASH_FLUSH(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_FLUSH_CIDR(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ memset(map->cidr, 0, sizeof(map->cidr)); \
-+ memset(map->nets, 0, sizeof(map->nets)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->hashsize = map->hashsize; \
-+ header->probes = map->probes; \
-+ header->resize = map->resize; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return (map->hashsize * sizeof(dtype)); \
-+}
-+
-+#define HASH_LIST_MEMBERS(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ ((dtype *)data)[i] = *elem; \
-+ } \
-+}
-+
-+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \
-+ } \
-+}
-+
-+#define IP_SET_RTYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .retry = &type##_retry, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+
-+/* Helper functions */
-+static inline void
-+add_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ uint8_t next;
-+ int i;
-+
-+ for (i = 0; i < 30 && cidr[i]; i++) {
-+ if (cidr[i] < size) {
-+ next = cidr[i];
-+ cidr[i] = size;
-+ size = next;
-+ }
-+ }
-+ if (i < 30)
-+ cidr[i] = size;
-+}
-+
-+static inline void
-+del_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ int i;
-+
-+ for (i = 0; i < 29 && cidr[i]; i++) {
-+ if (cidr[i] == size)
-+ cidr[i] = size = cidr[i+1];
-+ }
-+ cidr[29] = 0;
-+}
-+#else
-+#include <arpa/inet.h>
-+#endif /* __KERNEL */
-+
-+#ifndef UINT16_MAX
-+#define UINT16_MAX 65535
-+#endif
-+
-+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
-+
-+static inline ip_set_ip_t
-+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr)
-+{
-+ ip_set_ip_t addr, *paddr = &addr;
-+ unsigned char n, t, *a;
-+
-+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
-+#ifdef __KERNEL__
-+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
-+#endif
-+ n = cidr / 8;
-+ t = cidr % 8;
-+ a = &((unsigned char *)paddr)[n];
-+ *a = *a /(1 << (8 - t)) + shifts[t];
-+#ifdef __KERNEL__
-+ DP("n: %u, t: %u, a: %u", n, t, *a);
-+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
-+ HIPQUAD(ip), cidr, NIPQUAD(addr));
-+#endif
-+
-+ return ntohl(addr);
-+}
-+
-+
-+#endif /* __IP_SET_HASHES_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h
-@@ -0,0 +1,30 @@
-+#ifndef __IP_SET_IPHASH_H
-+#define __IP_SET_IPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "iphash"
-+
-+struct ip_set_iphash {
-+ ip_set_ip_t *members; /* the iphash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t netmask; /* netmask */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_iphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_iphash {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_IPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h
-@@ -0,0 +1,57 @@
-+#ifndef __IP_SET_IPMAP_H
-+#define __IP_SET_IPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "ipmap"
-+
-+struct ip_set_ipmap {
-+ void *members; /* the ipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ ip_set_ip_t netmask; /* subnet netmask */
-+ ip_set_ip_t sizeid; /* size of set in IPs */
-+ ip_set_ip_t hosts; /* number of hosts in a subnet */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_ipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_ipmap {
-+ ip_set_ip_t ip;
-+};
-+
-+static inline unsigned int
-+mask_to_bits(ip_set_ip_t mask)
-+{
-+ unsigned int bits = 32;
-+ ip_set_ip_t maskaddr;
-+
-+ if (mask == 0xFFFFFFFF)
-+ return bits;
-+
-+ maskaddr = 0xFFFFFFFE;
-+ while (--bits > 0 && maskaddr != mask)
-+ maskaddr <<= 1;
-+
-+ return bits;
-+}
-+
-+static inline ip_set_ip_t
-+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
-+{
-+ ip_set_ip_t mask = 0xFFFFFFFE;
-+
-+ *bits = 32;
-+ while (--(*bits) > 0 && mask && (to & mask) != from)
-+ mask <<= 1;
-+
-+ return mask;
-+}
-+
-+#endif /* __IP_SET_IPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h
-@@ -0,0 +1,33 @@
-+#ifndef __IP_SET_IPPORTHASH_H
-+#define __IP_SET_IPPORTHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipporthash"
-+
-+struct ip_set_ipporthash {
-+ ip_set_ip_t *members; /* the ipporthash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipporthash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipporthash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_IPPORTHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPPORTIPHASH_H
-+#define __IP_SET_IPPORTIPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportiphash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportiphash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportiphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportiphash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+};
-+
-+#endif /* __IP_SET_IPPORTIPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h
-@@ -0,0 +1,42 @@
-+#ifndef __IP_SET_IPPORTNETHASH_H
-+#define __IP_SET_IPPORTNETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportnethash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportnethash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportnethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportnethash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_IPPORTNETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPTREE_H
-+#define __IP_SET_IPTREE_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptree"
-+
-+struct ip_set_iptreed {
-+ unsigned long expires[256]; /* x.x.x.ADDR */
-+};
-+
-+struct ip_set_iptreec {
-+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */
-+};
-+
-+struct ip_set_iptreeb {
-+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */
-+};
-+
-+struct ip_set_iptree {
-+ unsigned int timeout;
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ uint32_t elements; /* number of elements */
-+ struct timer_list gc;
-+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */
-+#endif
-+};
-+
-+struct ip_set_req_iptree_create {
-+ unsigned int timeout;
-+};
-+
-+struct ip_set_req_iptree {
-+ ip_set_ip_t ip;
-+ unsigned int timeout;
-+};
-+
-+#endif /* __IP_SET_IPTREE_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h
-@@ -0,0 +1,40 @@
-+#ifndef __IP_SET_IPTREEMAP_H
-+#define __IP_SET_IPTREEMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptreemap"
-+
-+#ifdef __KERNEL__
-+struct ip_set_iptreemap_d {
-+ unsigned char bitmap[32]; /* x.x.x.y */
-+};
-+
-+struct ip_set_iptreemap_c {
-+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */
-+};
-+
-+struct ip_set_iptreemap_b {
-+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */
-+ unsigned char dirty[32];
-+};
-+#endif
-+
-+struct ip_set_iptreemap {
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ struct timer_list gc;
-+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */
-+#endif
-+};
-+
-+struct ip_set_req_iptreemap_create {
-+ unsigned int gc_interval;
-+};
-+
-+struct ip_set_req_iptreemap {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t end;
-+};
-+
-+#endif /* __IP_SET_IPTREEMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h
-@@ -0,0 +1,157 @@
-+#ifndef _LINUX_JHASH_H
-+#define _LINUX_JHASH_H
-+
-+/* jhash.h: Jenkins hash support.
-+ *
-+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net)
-+ *
-+ * http://burtleburtle.net/bob/hash/
-+ *
-+ * These are the credits from Bob's sources:
-+ *
-+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain.
-+ *
-+ * These are functions for producing 32-bit hashes for hash table lookup.
-+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final()
-+ * are externally useful functions. Routines to test the hash are included
-+ * if SELF_TEST is defined. You can use this free for any purpose. It's in
-+ * the public domain. It has no warranty.
-+ *
-+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
-+ *
-+ * I've modified Bob's hash to be useful in the Linux kernel, and
-+ * any bugs present are my fault. Jozsef
-+ */
-+
-+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
-+
-+/* __jhash_mix - mix 3 32-bit values reversibly. */
-+#define __jhash_mix(a,b,c) \
-+{ \
-+ a -= c; a ^= __rot(c, 4); c += b; \
-+ b -= a; b ^= __rot(a, 6); a += c; \
-+ c -= b; c ^= __rot(b, 8); b += a; \
-+ a -= c; a ^= __rot(c,16); c += b; \
-+ b -= a; b ^= __rot(a,19); a += c; \
-+ c -= b; c ^= __rot(b, 4); b += a; \
-+}
-+
-+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */
-+#define __jhash_final(a,b,c) \
-+{ \
-+ c ^= b; c -= __rot(b,14); \
-+ a ^= c; a -= __rot(c,11); \
-+ b ^= a; b -= __rot(a,25); \
-+ c ^= b; c -= __rot(b,16); \
-+ a ^= c; a -= __rot(c,4); \
-+ b ^= a; b -= __rot(a,14); \
-+ c ^= b; c -= __rot(b,24); \
-+}
-+
-+/* The golden ration: an arbitrary value */
-+#define JHASH_GOLDEN_RATIO 0xdeadbeef
-+
-+/* The most generic version, hashes an arbitrary sequence
-+ * of bytes. No alignment or length assumptions are made about
-+ * the input key. The result depends on endianness.
-+ */
-+static inline u32 jhash(const void *key, u32 length, u32 initval)
-+{
-+ u32 a,b,c;
-+ const u8 *k = key;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + length + initval;
-+
-+ /* all but the last block: affect some 32 bits of (a,b,c) */
-+ while (length > 12) {
-+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24));
-+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24));
-+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24));
-+ __jhash_mix(a, b, c);
-+ length -= 12;
-+ k += 12;
-+ }
-+
-+ /* last block: affect all 32 bits of (c) */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 12: c += (u32)k[11]<<24;
-+ case 11: c += (u32)k[10]<<16;
-+ case 10: c += (u32)k[9]<<8;
-+ case 9 : c += k[8];
-+ case 8 : b += (u32)k[7]<<24;
-+ case 7 : b += (u32)k[6]<<16;
-+ case 6 : b += (u32)k[5]<<8;
-+ case 5 : b += k[4];
-+ case 4 : a += (u32)k[3]<<24;
-+ case 3 : a += (u32)k[2]<<16;
-+ case 2 : a += (u32)k[1]<<8;
-+ case 1 : a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0 :
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special optimized version that handles 1 or more of u32s.
-+ * The length parameter here is the number of u32s in the key.
-+ */
-+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
-+{
-+ u32 a, b, c;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval;
-+
-+ /* handle most of the key */
-+ while (length > 3) {
-+ a += k[0];
-+ b += k[1];
-+ c += k[2];
-+ __jhash_mix(a, b, c);
-+ length -= 3;
-+ k += 3;
-+ }
-+
-+ /* handle the last 3 u32's */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 3: c += k[2];
-+ case 2: b += k[1];
-+ case 1: a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0: /* case 0: nothing left to add */
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special ultra-optimized versions that knows they are hashing exactly
-+ * 3, 2 or 1 word(s).
-+ */
-+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
-+{
-+ a += JHASH_GOLDEN_RATIO + initval;
-+ b += JHASH_GOLDEN_RATIO + initval;
-+ c += JHASH_GOLDEN_RATIO + initval;
-+
-+ __jhash_final(a, b, c);
-+
-+ return c;
-+}
-+
-+static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
-+{
-+ return jhash_3words(0, a, b, initval);
-+}
-+
-+static inline u32 jhash_1word(u32 a, u32 initval)
-+{
-+ return jhash_3words(0, 0, a, initval);
-+}
-+
-+#endif /* _LINUX_JHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_MACIPMAP_H
-+#define __IP_SET_MACIPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "macipmap"
-+
-+/* general flags */
-+#define IPSET_MACIP_MATCHUNSET 1
-+
-+/* per ip flags */
-+#define IPSET_MACIP_ISSET 1
-+
-+struct ip_set_macipmap {
-+ void *members; /* the macipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t flags;
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_macipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap {
-+ ip_set_ip_t ip;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+struct ip_set_macip {
-+ unsigned short match;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+#endif /* __IP_SET_MACIPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h
-@@ -0,0 +1,153 @@
-+#ifndef _IP_SET_MALLOC_H
-+#define _IP_SET_MALLOC_H
-+
-+#ifdef __KERNEL__
-+#include <linux/vmalloc.h>
-+
-+static size_t max_malloc_size = 0, max_page_size = 0;
-+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */
-+
-+static inline int init_max_page_size(void)
-+{
-+/* Compatibility glues to support 2.4.36 */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#define __GFP_NOWARN 0
-+
-+ /* Guaranteed: slab.c */
-+ max_malloc_size = max_page_size = default_max_malloc_size;
-+#else
-+ size_t page_size = 0;
-+
-+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \
-+ page_size = x;
-+#include <linux/kmalloc_sizes.h>
-+#undef CACHE
-+ if (page_size) {
-+ if (max_malloc_size == 0)
-+ max_malloc_size = page_size;
-+
-+ max_page_size = page_size;
-+
-+ return 1;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+struct harray {
-+ size_t max_elements;
-+ void *arrays[0];
-+};
-+
-+static inline void *
-+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ struct harray *harray;
-+ size_t max_elements, size, i, j;
-+
-+ BUG_ON(max_page_size == 0);
-+
-+ if (typesize > max_page_size)
-+ return NULL;
-+
-+ max_elements = max_page_size/typesize;
-+ size = hashsize/max_elements;
-+ if (hashsize % max_elements)
-+ size++;
-+
-+ /* Last pointer signals end of arrays */
-+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *),
-+ flags);
-+
-+ if (!harray)
-+ return NULL;
-+
-+ for (i = 0; i < size - 1; i++) {
-+ harray->arrays[i] = kmalloc(max_elements * typesize, flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, max_elements * typesize);
-+ }
-+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize,
-+ flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize);
-+
-+ harray->max_elements = max_elements;
-+ harray->arrays[size] = NULL;
-+
-+ return (void *)harray;
-+
-+ undo:
-+ for (j = 0; j < i; j++) {
-+ kfree(harray->arrays[j]);
-+ }
-+ kfree(harray);
-+ return NULL;
-+}
-+
-+static inline void *
-+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ void *harray;
-+
-+ do {
-+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN);
-+ } while (harray == NULL && init_max_page_size());
-+
-+ return harray;
-+}
-+
-+static inline void harray_free(void *h)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i] != NULL; i++)
-+ kfree(harray->arrays[i]);
-+ kfree(harray);
-+}
-+
-+static inline void harray_flush(void *h, size_t hashsize, size_t typesize)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i+1] != NULL; i++)
-+ memset(harray->arrays[i], 0, harray->max_elements * typesize);
-+ memset(harray->arrays[i], 0,
-+ (hashsize - i * harray->max_elements) * typesize);
-+}
-+
-+#define HARRAY_ELEM(h, type, which) \
-+({ \
-+ struct harray *__h = (struct harray *)(h); \
-+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \
-+ + (which)%(__h)->max_elements); \
-+})
-+
-+/* General memory allocation and deallocation */
-+static inline void * ip_set_malloc(size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ return vmalloc(bytes);
-+ else
-+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN);
-+}
-+
-+static inline void ip_set_free(void * data, size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ vfree(data);
-+ else
-+ kfree(data);
-+}
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_MALLOC_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h
-@@ -0,0 +1,31 @@
-+#ifndef __IP_SET_NETHASH_H
-+#define __IP_SET_NETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "nethash"
-+
-+struct ip_set_nethash {
-+ ip_set_ip_t *members; /* the nethash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_nethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+};
-+
-+struct ip_set_req_nethash {
-+ ip_set_ip_t ip;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_NETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h
-@@ -0,0 +1,25 @@
-+#ifndef __IP_SET_PORTMAP_H
-+#define __IP_SET_PORTMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "portmap"
-+
-+struct ip_set_portmap {
-+ void *members; /* the portmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_portmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_portmap {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_PORTMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h
-@@ -0,0 +1,26 @@
-+#ifndef __IP_SET_SETLIST_H
-+#define __IP_SET_SETLIST_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "setlist"
-+
-+#define IP_SET_SETLIST_ADD_AFTER 0
-+#define IP_SET_SETLIST_ADD_BEFORE 1
-+
-+struct ip_set_setlist {
-+ uint8_t size;
-+ ip_set_id_t index[0];
-+};
-+
-+struct ip_set_req_setlist_create {
-+ uint8_t size;
-+};
-+
-+struct ip_set_req_setlist {
-+ char name[IP_SET_MAXNAMELEN];
-+ char ref[IP_SET_MAXNAMELEN];
-+ uint8_t before;
-+};
-+
-+#endif /* __IP_SET_SETLIST_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_set.h
-@@ -0,0 +1,21 @@
-+#ifndef _IPT_SET_H
-+#define _IPT_SET_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+struct ipt_set_info {
-+ ip_set_id_t index;
-+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-+};
-+
-+/* match info */
-+struct ipt_set_info_match {
-+ struct ipt_set_info match_set;
-+};
-+
-+struct ipt_set_info_target {
-+ struct ipt_set_info add_set;
-+ struct ipt_set_info del_set;
-+};
-+
-+#endif /*_IPT_SET_H*/
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set.c
-@@ -0,0 +1,2076 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module for IP set management */
-+
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+#include <linux/config.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/kmod.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/random.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <linux/capability.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-+#include <asm/semaphore.h>
-+#else
-+#include <linux/semaphore.h>
-+#endif
-+#include <linux/spinlock.h>
-+
-+#define ASSERT_READ_LOCK(x)
-+#define ASSERT_WRITE_LOCK(x)
-+#include <linux/netfilter.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+static struct list_head set_type_list; /* all registered sets */
-+static struct ip_set **ip_set_list; /* all individual sets */
-+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */
-+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */
-+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
-+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE;
-+static struct list_head *ip_set_hash; /* hash of bindings */
-+static unsigned int ip_set_hash_random; /* random seed */
-+
-+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0)
-+
-+/*
-+ * Sets are identified either by the index in ip_set_list or by id.
-+ * The id never changes and is used to find a key in the hash.
-+ * The index may change by swapping and used at all other places
-+ * (set/SET netfilter modules, binding value, etc.)
-+ *
-+ * Userspace requests are serialized by ip_set_mutex and sets can
-+ * be deleted only from userspace. Therefore ip_set_list locking
-+ * must obey the following rules:
-+ *
-+ * - kernel requests: read and write locking mandatory
-+ * - user requests: read locking optional, write locking mandatory
-+ */
-+
-+static inline void
-+__ip_set_get(ip_set_id_t index)
-+{
-+ atomic_inc(&ip_set_list[index]->ref);
-+}
-+
-+static inline void
-+__ip_set_put(ip_set_id_t index)
-+{
-+ atomic_dec(&ip_set_list[index]->ref);
-+}
-+
-+/*
-+ * Binding routines
-+ */
-+
-+static inline struct ip_set_hash *
-+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ struct ip_set_hash *set_hash;
-+
-+ list_for_each_entry(set_hash, &ip_set_hash[key], list)
-+ if (set_hash->id == id && set_hash->ip == ip)
-+ return set_hash;
-+
-+ return NULL;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ ASSERT_READ_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+
-+ set_hash = __ip_set_find(key, id, ip);
-+
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
-+}
-+
-+static inline void
-+__set_hash_del(struct ip_set_hash *set_hash)
-+{
-+ ASSERT_WRITE_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+
-+ __ip_set_put(set_hash->binding);
-+ list_del(&set_hash->list);
-+ kfree(set_hash);
-+}
-+
-+static int
-+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ if (set_hash != NULL)
-+ __set_hash_del(set_hash);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+static int
-+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+ int ret = 0;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ IP_SET_ASSERT(ip_set_list[binding]);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip), ip_set_list[binding]->name);
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ if (!set_hash) {
-+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC);
-+ if (!set_hash) {
-+ ret = -ENOMEM;
-+ goto unlock;
-+ }
-+ INIT_LIST_HEAD(&set_hash->list);
-+ set_hash->id = id;
-+ set_hash->ip = ip;
-+ list_add(&set_hash->list, &ip_set_hash[key]);
-+ } else {
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+ DP("overwrite binding: %s",
-+ ip_set_list[set_hash->binding]->name);
-+ __ip_set_put(set_hash->binding);
-+ }
-+ set_hash->binding = binding;
-+ __ip_set_get(set_hash->binding);
-+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)",
-+ key, id, ip_set_list[id]->name,
-+ HIPQUAD(ip), binding, ip_set_list[binding]->name);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+#define FOREACH_HASH_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash; \
-+ \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+#define FOREACH_HASH_RW_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash, *__n; \
-+ \
-+ ASSERT_WRITE_LOCK(&ip_set_lock); \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+/* Add, del and test set entries from kernel */
-+
-+#define follow_bindings(index, set, ip) \
-+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \
-+ || (index = (set)->binding) != IP_SET_INVALID_ID)
-+
-+int
-+ip_set_testip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip_kernel(set, skb, &ip, flags, i++);
-+ read_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while (res > 0
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+int
-+ip_set_addip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ retry:
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ if (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0)
-+ goto retry;
-+
-+ return res;
-+}
-+
-+int
-+ip_set_delip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return res;
-+}
-+
-+/* Register and deregister settype */
-+
-+static inline struct ip_set_type *
-+find_set_type(const char *name)
-+{
-+ struct ip_set_type *set_type;
-+
-+ list_for_each_entry(set_type, &set_type_list, list)
-+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1))
-+ return set_type;
-+ return NULL;
-+}
-+
-+int
-+ip_set_register_set_type(struct ip_set_type *set_type)
-+{
-+ int ret = 0;
-+
-+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
-+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
-+ set_type->typename,
-+ set_type->protocol_version,
-+ IP_SET_PROTOCOL_VERSION);
-+ return -EINVAL;
-+ }
-+
-+ write_lock_bh(&ip_set_lock);
-+ if (find_set_type(set_type->typename)) {
-+ /* Duplicate! */
-+ ip_set_printk("'%s' already registered!",
-+ set_type->typename);
-+ ret = -EINVAL;
-+ goto unlock;
-+ }
-+ if (!try_module_get(THIS_MODULE)) {
-+ ret = -EFAULT;
-+ goto unlock;
-+ }
-+ list_add(&set_type->list, &set_type_list);
-+ DP("'%s' registered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+void
-+ip_set_unregister_set_type(struct ip_set_type *set_type)
-+{
-+ write_lock_bh(&ip_set_lock);
-+ if (!find_set_type(set_type->typename)) {
-+ ip_set_printk("'%s' not registered?",
-+ set_type->typename);
-+ goto unlock;
-+ }
-+ list_del(&set_type->list);
-+ module_put(THIS_MODULE);
-+ DP("'%s' unregistered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+
-+}
-+
-+ip_set_id_t
-+__ip_set_get_byname(const char *name, struct ip_set **set)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ *set = ip_set_list[i];
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+void __ip_set_put_byindex(ip_set_id_t index)
-+{
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+}
-+
-+/*
-+ * Userspace routines
-+ */
-+
-+/*
-+ * Find set by name, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ down(&ip_set_app_mutex);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ break;
-+ }
-+ }
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find set by index, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+
-+ if (index >= ip_set_max)
-+ return IP_SET_INVALID_ID;
-+
-+ if (ip_set_list[index])
-+ __ip_set_get(index);
-+ else
-+ index = IP_SET_INVALID_ID;
-+
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find the set id belonging to the index.
-+ * We are protected by the mutex, so we do not need to use
-+ * ip_set_lock. There is no need to reference the sets either.
-+ */
-+ip_set_id_t
-+ip_set_id(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || !ip_set_list[index])
-+ return IP_SET_INVALID_ID;
-+
-+ return ip_set_list[index]->id;
-+}
-+
-+/*
-+ * If the given set pointer points to a valid set, decrement
-+ * reference count by 1. The caller shall not assume the index
-+ * to be valid, after calling this function.
-+ */
-+void ip_set_put_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+ up(&ip_set_app_mutex);
-+}
-+
-+/* Find a set by name or index */
-+static ip_set_id_t
-+ip_set_find_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ index = i;
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_byindex(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || ip_set_list[index] == NULL)
-+ index = IP_SET_INVALID_ID;
-+
-+ return index;
-+}
-+
-+/*
-+ * Add, del, test, bind and unbind
-+ */
-+
-+static inline int
-+__ip_set_testip(struct ip_set *set,
-+ const void *data,
-+ u_int32_t size,
-+ ip_set_ip_t *ip)
-+{
-+ int res;
-+
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip(set, data, size, ip);
-+ read_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+__ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ do {
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip(set, data, size, &ip);
-+ write_unlock_bh(&set->lock);
-+ } while (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ return __ip_set_addip(index,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt));
-+}
-+
-+static int
-+ip_set_delip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+ write_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+
-+ return (res > 0 ? -EEXIST : res);
-+}
-+
-+static int
-+ip_set_bindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of a set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets as binding values are referenced */
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ set->binding = binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = ip_set_hash_add(set->id, ip, binding);
-+
-+ return res;
-+}
-+
-+#define FOREACH_SET_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __i; \
-+ struct ip_set *__set; \
-+ \
-+ for (__i = 0; __i < ip_set_max; __i++) { \
-+ __set = ip_set_list[__i]; \
-+ if (__set != NULL) \
-+ fn(__set , ##args); \
-+ } \
-+})
-+
-+static inline void
-+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
-+{
-+ if (set_hash->id == id)
-+ __set_hash_del(set_hash);
-+}
-+
-+static inline void
-+__unbind_default(struct ip_set *set)
-+{
-+ if (set->binding != IP_SET_INVALID_ID) {
-+ /* Sets as binding values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static int
-+ip_set_unbindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ DP("");
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ DP("%u %s", index, req_bind->binding);
-+ if (index == IP_SET_INVALID_ID) {
-+ /* unbind :all: */
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of sets */
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_SET_DO(__unbind_default);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings of all sets*/
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+ DP("unreachable reached!");
-+ return -EINVAL;
-+ }
-+
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ ip_set_id_t binding = ip_set_find_byindex(set->binding);
-+
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets in hash values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings */
-+
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+
-+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
-+ if (res >= 0)
-+ res = ip_set_hash_del(set->id, ip);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testbind(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = (set->binding == binding) ? -EEXIST : 0;
-+
-+ return res;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = (ip_set_find_in_hash(set->id, ip) == binding)
-+ ? -EEXIST : 0;
-+
-+ return res;
-+}
-+
-+static struct ip_set_type *
-+find_set_type_rlock(const char *typename)
-+{
-+ struct ip_set_type *type;
-+
-+ read_lock_bh(&ip_set_lock);
-+ type = find_set_type(typename);
-+ if (type == NULL)
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return type;
-+}
-+
-+static int
-+find_free_id(const char *name,
-+ ip_set_id_t *index,
-+ ip_set_id_t *id)
-+{
-+ ip_set_id_t i;
-+
-+ *id = IP_SET_INVALID_ID;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL) {
-+ if (*id == IP_SET_INVALID_ID)
-+ *id = *index = i;
-+ } else if (SETNAME_EQ(name, ip_set_list[i]->name))
-+ /* Name clash */
-+ return -EEXIST;
-+ }
-+ if (*id == IP_SET_INVALID_ID)
-+ /* No free slot remained */
-+ return -ERANGE;
-+ /* Check that index is usable as id (swapping) */
-+ check:
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && ip_set_list[i]->id == *id) {
-+ *id = i;
-+ goto check;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * Create a set
-+ */
-+static int
-+ip_set_create(const char *name,
-+ const char *typename,
-+ ip_set_id_t restore,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ ip_set_id_t index = 0, id;
-+ int res = 0;
-+
-+ DP("setname: %s, typename: %s, id: %u", name, typename, restore);
-+
-+ /*
-+ * First, and without any locks, allocate and initialize
-+ * a normal base set structure.
-+ */
-+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
-+ if (!set)
-+ return -ENOMEM;
-+ rwlock_init(&set->lock);
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ set->binding = IP_SET_INVALID_ID;
-+ atomic_set(&set->ref, 0);
-+
-+ /*
-+ * Next, take the &ip_set_lock, check that we know the type,
-+ * and take a reference on the type, to make sure it
-+ * stays available while constructing our new set.
-+ *
-+ * After referencing the type, we drop the &ip_set_lock,
-+ * and let the new set construction run without locks.
-+ */
-+ set->type = find_set_type_rlock(typename);
-+ if (set->type == NULL) {
-+ /* Try loading the module */
-+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
-+ strcpy(modulename, "ip_set_");
-+ strcat(modulename, typename);
-+ DP("try to load %s", modulename);
-+ request_module(modulename);
-+ set->type = find_set_type_rlock(typename);
-+ }
-+ if (set->type == NULL) {
-+ ip_set_printk("no set type '%s', set '%s' not created",
-+ typename, name);
-+ res = -ENOENT;
-+ goto out;
-+ }
-+ if (!try_module_get(set->type->me)) {
-+ read_unlock_bh(&ip_set_lock);
-+ res = -EFAULT;
-+ goto out;
-+ }
-+ read_unlock_bh(&ip_set_lock);
-+
-+ /* Check request size */
-+ if (size != set->type->header_size) {
-+ ip_set_printk("data length wrong (want %lu, have %lu)",
-+ (long unsigned)set->type->header_size,
-+ (long unsigned)size);
-+ goto put_out;
-+ }
-+
-+ /*
-+ * Without holding any locks, create private part.
-+ */
-+ res = set->type->create(set, data, size);
-+ if (res != 0)
-+ goto put_out;
-+
-+ /* BTW, res==0 here. */
-+
-+ /*
-+ * Here, we have a valid, constructed set. &ip_set_lock again,
-+ * find free id/index and check that it is not already in
-+ * ip_set_list.
-+ */
-+ write_lock_bh(&ip_set_lock);
-+ if ((res = find_free_id(set->name, &index, &id)) != 0) {
-+ DP("no free id!");
-+ goto cleanup;
-+ }
-+
-+ /* Make sure restore gets the same index */
-+ if (restore != IP_SET_INVALID_ID && index != restore) {
-+ DP("Can't restore, sets are screwed up");
-+ res = -ERANGE;
-+ goto cleanup;
-+ }
-+
-+ /*
-+ * Finally! Add our shiny new set to the list, and be done.
-+ */
-+ DP("create: '%s' created with index %u, id %u!", set->name, index, id);
-+ set->id = id;
-+ ip_set_list[index] = set;
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+
-+ cleanup:
-+ write_unlock_bh(&ip_set_lock);
-+ set->type->destroy(set);
-+ put_out:
-+ module_put(set->type->me);
-+ out:
-+ kfree(set);
-+ return res;
-+}
-+
-+/*
-+ * Destroy a given existing set
-+ */
-+static void
-+ip_set_destroy_set(ip_set_id_t index)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+ DP("set: %s", set->name);
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ ip_set_list[index] = NULL;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ /* Must call it without holding any lock */
-+ set->type->destroy(set);
-+ module_put(set->type->me);
-+ kfree(set);
-+}
-+
-+/*
-+ * Destroy a set - or all sets
-+ * Sets must not be referenced/used.
-+ */
-+static int
-+ip_set_destroy(ip_set_id_t index)
-+{
-+ ip_set_id_t i;
-+
-+ /* ref modification always protected by the mutex */
-+ if (index != IP_SET_INVALID_ID) {
-+ if (atomic_read(&ip_set_list[index]->ref))
-+ return -EBUSY;
-+ ip_set_destroy_set(index);
-+ } else {
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && (atomic_read(&ip_set_list[i]->ref)))
-+ return -EBUSY;
-+ }
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ ip_set_destroy_set(i);
-+ }
-+ }
-+ return 0;
-+}
-+
-+static void
-+ip_set_flush_set(struct ip_set *set)
-+{
-+ DP("set: %s %u", set->name, set->id);
-+
-+ write_lock_bh(&set->lock);
-+ set->type->flush(set);
-+ write_unlock_bh(&set->lock);
-+}
-+
-+/*
-+ * Flush data in a set - or in all sets
-+ */
-+static int
-+ip_set_flush(ip_set_id_t index)
-+{
-+ if (index != IP_SET_INVALID_ID) {
-+ IP_SET_ASSERT(ip_set_list[index]);
-+ ip_set_flush_set(ip_set_list[index]);
-+ } else
-+ FOREACH_SET_DO(ip_set_flush_set);
-+
-+ return 0;
-+}
-+
-+/* Rename a set */
-+static int
-+ip_set_rename(ip_set_id_t index, const char *name)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_id_t i;
-+ int res = 0;
-+
-+ DP("set: %s to %s", set->name, name);
-+ write_lock_bh(&ip_set_lock);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ res = -EEXIST;
-+ goto unlock;
-+ }
-+ }
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+}
-+
-+/*
-+ * Swap two sets so that name/index points to the other.
-+ * References are also swapped.
-+ */
-+static int
-+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
-+{
-+ struct ip_set *from = ip_set_list[from_index];
-+ struct ip_set *to = ip_set_list[to_index];
-+ char from_name[IP_SET_MAXNAMELEN];
-+ u_int32_t from_ref;
-+
-+ DP("set: %s to %s", from->name, to->name);
-+ /* Features must not change.
-+ * Not an artifical restriction anymore, as we must prevent
-+ * possible loops created by swapping in setlist type of sets. */
-+ if (from->type->features != to->type->features)
-+ return -ENOEXEC;
-+
-+ /* No magic here: ref munging protected by the mutex */
-+ write_lock_bh(&ip_set_lock);
-+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
-+ from_ref = atomic_read(&from->ref);
-+
-+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
-+ atomic_set(&from->ref, atomic_read(&to->ref));
-+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
-+ atomic_set(&to->ref, from_ref);
-+
-+ ip_set_list[from_index] = to;
-+ ip_set_list[to_index] = from;
-+
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+/*
-+ * List set data
-+ */
-+
-+static inline void
-+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_list);
-+}
-+
-+static inline void
-+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_save);
-+}
-+
-+static inline void
-+__set_hash_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, void *data, int *used)
-+{
-+ if (set_hash->id == id) {
-+ struct ip_set_hash_list *hash_list = data + *used;
-+
-+ hash_list->ip = set_hash->ip;
-+ hash_list->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_list);
-+ }
-+}
-+
-+static int ip_set_list_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_list *set_list;
-+
-+ /* Pointer to our header */
-+ set_list = data + *used;
-+
-+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_list) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_list);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_list->header_size = set->type->header_size;
-+ if (*used + set_list->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_list->index = index;
-+ set_list->binding = set->binding;
-+ set_list->ref = atomic_read(&set->ref);
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_list->header_size;
-+
-+ /* Get and ensure set specific members size */
-+ set_list->members_size = set->type->list_members_size(set);
-+ if (*used + set_list->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_list->members_size;
-+ read_unlock_bh(&set->lock);
-+
-+ /* Bindings */
-+
-+ /* Get and ensure set specific bindings size */
-+ set_list->bindings_size = 0;
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &set_list->bindings_size);
-+ if (*used + set_list->bindings_size > len)
-+ goto not_enough_mem;
-+
-+ /* Fill in set spefific bindings data */
-+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
-+
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+/*
-+ * Save sets
-+ */
-+static int ip_set_save_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set;
-+ struct ip_set_save *set_save;
-+
-+ /* Pointer to our header */
-+ set_save = data + *used;
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_save);
-+
-+ set = ip_set_list[index];
-+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len,
-+ data, data + *used);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_save->header_size = set->type->header_size;
-+ if (*used + set_save->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_save->index = index;
-+ set_save->binding = set->binding;
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_save->header_size;
-+
-+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->header_size, data, data + *used);
-+ /* Get and ensure set specific members size */
-+ set_save->members_size = set->type->list_members_size(set);
-+ if (*used + set_save->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_save->members_size;
-+ read_unlock_bh(&set->lock);
-+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->members_size, data, data + *used);
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+static inline void
-+__set_hash_save_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id,
-+ void *data,
-+ int *used,
-+ int len,
-+ int *res)
-+{
-+ if (*res == 0
-+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
-+ struct ip_set_hash_save *hash_save = data + *used;
-+ /* Ensure bindings size */
-+ if (*used + sizeof(struct ip_set_hash_save) > len) {
-+ *res = -ENOMEM;
-+ return;
-+ }
-+ hash_save->id = set_hash->id;
-+ hash_save->ip = set_hash->ip;
-+ hash_save->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_save);
-+ }
-+}
-+
-+static int ip_set_save_bindings(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ int res = 0;
-+ struct ip_set_save *set_save;
-+
-+ DP("used %u, len %u", *used, len);
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ return -ENOMEM;
-+
-+ /* Marker */
-+ set_save = data + *used;
-+ set_save->index = IP_SET_INVALID_ID;
-+ set_save->header_size = 0;
-+ set_save->members_size = 0;
-+ *used += sizeof(struct ip_set_save);
-+
-+ DP("marker added used %u, len %u", *used, len);
-+ /* Fill in bindings data */
-+ if (index != IP_SET_INVALID_ID)
-+ /* Sets are identified by id in hash */
-+ index = ip_set_list[index]->id;
-+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
-+
-+ return res;
-+}
-+
-+/*
-+ * Restore sets
-+ */
-+static int ip_set_restore(void *data,
-+ int len)
-+{
-+ int res = 0;
-+ int line = 0, used = 0, members_size;
-+ struct ip_set *set;
-+ struct ip_set_hash_save *hash_save;
-+ struct ip_set_restore *set_restore;
-+ ip_set_id_t index;
-+
-+ /* Loop to restore sets */
-+ while (1) {
-+ line++;
-+
-+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len);
-+ /* Get and ensure header size */
-+ if (used + sizeof(struct ip_set_restore) > len)
-+ return line;
-+ set_restore = data + used;
-+ used += sizeof(struct ip_set_restore);
-+
-+ /* Ensure data size */
-+ if (used
-+ + set_restore->header_size
-+ + set_restore->members_size > len)
-+ return line;
-+
-+ /* Check marker */
-+ if (set_restore->index == IP_SET_INVALID_ID) {
-+ line--;
-+ goto bindings;
-+ }
-+
-+ /* Try to create the set */
-+ DP("restore %s %s", set_restore->name, set_restore->typename);
-+ res = ip_set_create(set_restore->name,
-+ set_restore->typename,
-+ set_restore->index,
-+ data + used,
-+ set_restore->header_size);
-+
-+ if (res != 0)
-+ return line;
-+ used += set_restore->header_size;
-+
-+ index = ip_set_find_byindex(set_restore->index);
-+ DP("index %u, restore_index %u", index, set_restore->index);
-+ if (index != set_restore->index)
-+ return line;
-+ /* Try to restore members data */
-+ set = ip_set_list[index];
-+ members_size = 0;
-+ DP("members_size %lu reqsize %lu",
-+ (unsigned long)set_restore->members_size,
-+ (unsigned long)set->type->reqsize);
-+ while (members_size + set->type->reqsize <=
-+ set_restore->members_size) {
-+ line++;
-+ DP("members: %d, line %d", members_size, line);
-+ res = __ip_set_addip(index,
-+ data + used + members_size,
-+ set->type->reqsize);
-+ if (!(res == 0 || res == -EEXIST))
-+ return line;
-+ members_size += set->type->reqsize;
-+ }
-+
-+ DP("members_size %lu %d",
-+ (unsigned long)set_restore->members_size, members_size);
-+ if (members_size != set_restore->members_size)
-+ return line++;
-+ used += set_restore->members_size;
-+ }
-+
-+ bindings:
-+ /* Loop to restore bindings */
-+ while (used < len) {
-+ line++;
-+
-+ DP("restore binding, line %u", line);
-+ /* Get and ensure size */
-+ if (used + sizeof(struct ip_set_hash_save) > len)
-+ return line;
-+ hash_save = data + used;
-+ used += sizeof(struct ip_set_hash_save);
-+
-+ /* hash_save->id is used to store the index */
-+ index = ip_set_find_byindex(hash_save->id);
-+ DP("restore binding index %u, id %u, %u -> %u",
-+ index, hash_save->id, hash_save->ip, hash_save->binding);
-+ if (index != hash_save->id)
-+ return line;
-+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) {
-+ DP("corrupt binding set index %u", hash_save->binding);
-+ return line;
-+ }
-+ set = ip_set_list[hash_save->id];
-+ /* Null valued IP means default binding */
-+ if (hash_save->ip)
-+ res = ip_set_hash_add(set->id,
-+ hash_save->ip,
-+ hash_save->binding);
-+ else {
-+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
-+ write_lock_bh(&ip_set_lock);
-+ set->binding = hash_save->binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+ DP("default binding: %u", set->binding);
-+ }
-+ if (res != 0)
-+ return line;
-+ }
-+ if (used != len)
-+ return line;
-+
-+ return 0;
-+}
-+
-+static int
-+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
-+{
-+ void *data;
-+ int res = 0; /* Assume OK */
-+ unsigned *op;
-+ struct ip_set_req_adt *req_adt;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ int (*adtfn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ struct fn_table {
-+ int (*fn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ } adtfn_table[] =
-+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
-+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
-+ };
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (len <= sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >%zu, got %u)",
-+ sizeof(unsigned), len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(len);
-+ if (!data) {
-+ DP("out of mem for %u bytes", len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *)data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_CREATE:{
-+ struct ip_set_req_create *req_create = data;
-+
-+ if (len < sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("short CREATE data (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+ res = ip_set_create(req_create->name,
-+ req_create->typename,
-+ IP_SET_INVALID_ID,
-+ data + sizeof(struct ip_set_req_create),
-+ len - sizeof(struct ip_set_req_create));
-+ goto done;
-+ }
-+ case IP_SET_OP_DESTROY:{
-+ struct ip_set_req_std *req_destroy = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid DESTROY data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) {
-+ /* Destroy all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_destroy->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+
-+ res = ip_set_destroy(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_FLUSH:{
-+ struct ip_set_req_std *req_flush = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid FLUSH data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) {
-+ /* Flush all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_flush->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = ip_set_flush(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_RENAME:{
-+ struct ip_set_req_create *req_rename = data;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid RENAME data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_rename->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_rename(index, req_rename->typename);
-+ goto done;
-+ }
-+ case IP_SET_OP_SWAP:{
-+ struct ip_set_req_create *req_swap = data;
-+ ip_set_id_t to_index;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid SWAP data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_swap->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ to_index = ip_set_find_byname(req_swap->typename);
-+ if (to_index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_swap(index, to_index);
-+ goto done;
-+ }
-+ default:
-+ break; /* Set identified by id */
-+ }
-+
-+ /* There we may have add/del/test/bind/unbind/test_bind operations */
-+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
-+ res = -EBADMSG;
-+ goto done;
-+ }
-+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
-+
-+ if (len < sizeof(struct ip_set_req_adt)) {
-+ ip_set_printk("short data in adt request (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_adt), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_adt = data;
-+
-+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
-+ if (!(*op == IP_SET_OP_UNBIND_SET
-+ && req_adt->index == IP_SET_INVALID_ID)) {
-+ index = ip_set_find_byindex(req_adt->index);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = adtfn(index, data, len);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static int
-+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
-+{
-+ int res = 0;
-+ unsigned *op;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ void *data;
-+ int copylen = *len;
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, *len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (*len < sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >=%zu, got %d)",
-+ sizeof(unsigned), *len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(*len);
-+ if (!data) {
-+ DP("out of mem for %d bytes", *len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, *len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *) data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_VERSION: {
-+ struct ip_set_req_version *req_version = data;
-+
-+ if (*len != sizeof(struct ip_set_req_version)) {
-+ ip_set_printk("invalid VERSION (want %zu, got %d)",
-+ sizeof(struct ip_set_req_version),
-+ *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_version->version = IP_SET_PROTOCOL_VERSION;
-+ res = copy_to_user(user, req_version,
-+ sizeof(struct ip_set_req_version));
-+ goto done;
-+ }
-+ case IP_SET_OP_GET_BYNAME: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ req_get->set.index = index;
-+ goto copy;
-+ }
-+ case IP_SET_OP_GET_BYINDEX: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byindex(req_get->set.index);
-+ strncpy(req_get->set.name,
-+ index == IP_SET_INVALID_ID ? ""
-+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN);
-+ goto copy;
-+ }
-+ case IP_SET_OP_ADT_GET: {
-+ struct ip_set_req_adt_get *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_adt_get)) {
-+ ip_set_printk("invalid ADT_GET (want %zu, got %d)",
-+ sizeof(struct ip_set_req_adt_get), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ if (index != IP_SET_INVALID_ID) {
-+ req_get->set.index = index;
-+ strncpy(req_get->typename,
-+ ip_set_list[index]->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ } else {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_MAX_SETS: {
-+ struct ip_set_req_max_sets *req_max_sets = data;
-+ ip_set_id_t i;
-+
-+ if (*len != sizeof(struct ip_set_req_max_sets)) {
-+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
-+ sizeof(struct ip_set_req_max_sets), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) {
-+ req_max_sets->set.index = IP_SET_INVALID_ID;
-+ } else {
-+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_max_sets->set.index =
-+ ip_set_find_byname(req_max_sets->set.name);
-+ if (req_max_sets->set.index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ req_max_sets->max_sets = ip_set_max;
-+ req_max_sets->sets = 0;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ req_max_sets->sets++;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST_SIZE:
-+ case IP_SET_OP_SAVE_SIZE: {
-+ struct ip_set_req_setnames *req_setnames = data;
-+ struct ip_set_name_list *name_list;
-+ struct ip_set *set;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)) {
-+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_setnames), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_setnames->size = 0;
-+ used = sizeof(struct ip_set_req_setnames);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL)
-+ continue;
-+ name_list = data + used;
-+ used += sizeof(struct ip_set_name_list);
-+ if (used > copylen) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ set = ip_set_list[i];
-+ /* Fill in index, name, etc. */
-+ name_list->index = i;
-+ name_list->id = set->id;
-+ strncpy(name_list->name,
-+ set->name,
-+ IP_SET_MAXNAMELEN - 1);
-+ strncpy(name_list->typename,
-+ set->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ DP("filled %s of type %s, index %u\n",
-+ name_list->name, name_list->typename,
-+ name_list->index);
-+ if (!(req_setnames->index == IP_SET_INVALID_ID
-+ || req_setnames->index == i))
-+ continue;
-+ /* Update size */
-+ switch (*op) {
-+ case IP_SET_OP_LIST_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_list)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ /* Sets are identified by id in the hash */
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ case IP_SET_OP_SAVE_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_save)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_save,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ default:
-+ break;
-+ }
-+ }
-+ if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST: {
-+ struct ip_set_req_list *req_list = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short LIST (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_list->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* List all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_list_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* List an individual set */
-+ res = ip_set_list_set(index, data, &used, *len);
-+ }
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_SAVE: {
-+ struct ip_set_req_list *req_save = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short SAVE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_save->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+
-+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0)
-+
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* Save all sets: ugly setlist type dependency */
-+ int setlist = 0;
-+ setlists:
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL
-+ && !(setlist ^ SETLIST(ip_set_list[i])))
-+ res = ip_set_save_set(i, data, &used, *len);
-+ }
-+ if (!setlist) {
-+ setlist = 1;
-+ goto setlists;
-+ }
-+ } else {
-+ /* Save an individual set */
-+ res = ip_set_save_set(index, data, &used, *len);
-+ }
-+ if (res == 0)
-+ res = ip_set_save_bindings(index, data, &used, *len);
-+
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_RESTORE: {
-+ struct ip_set_req_setnames *req_restore = data;
-+ int line;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)
-+ || *len != req_restore->size) {
-+ ip_set_printk("invalid RESTORE (want =%lu, got %d)",
-+ (long unsigned)req_restore->size, *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
-+ req_restore->size - sizeof(struct ip_set_req_setnames));
-+ DP("ip_set_restore: %d", line);
-+ if (line != 0) {
-+ res = -EAGAIN;
-+ req_restore->size = line;
-+ copylen = sizeof(struct ip_set_req_setnames);
-+ goto copy;
-+ }
-+ goto done;
-+ }
-+ default:
-+ res = -EBADMSG;
-+ goto done;
-+ } /* end of switch(op) */
-+
-+ copy:
-+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID
-+ && ip_set_list[index]
-+ ? ip_set_list[index]->name
-+ : ":all:", copylen);
-+ res = copy_to_user(user, data, copylen);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static struct nf_sockopt_ops so_set = {
-+ .pf = PF_INET,
-+ .set_optmin = SO_IP_SET,
-+ .set_optmax = SO_IP_SET + 1,
-+ .set = &ip_set_sockfn_set,
-+ .get_optmin = SO_IP_SET,
-+ .get_optmax = SO_IP_SET + 1,
-+ .get = &ip_set_sockfn_get,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+ .use = 0,
-+#else
-+ .owner = THIS_MODULE,
-+#endif
-+};
-+
-+static int max_sets, hash_size;
-+
-+module_param(max_sets, int, 0600);
-+MODULE_PARM_DESC(max_sets, "maximal number of sets");
-+module_param(hash_size, int, 0600);
-+MODULE_PARM_DESC(hash_size, "hash size for bindings");
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("module implementing core IP set support");
-+
-+static int __init ip_set_init(void)
-+{
-+ int res;
-+ ip_set_id_t i;
-+
-+ get_random_bytes(&ip_set_hash_random, 4);
-+ if (max_sets)
-+ ip_set_max = max_sets;
-+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
-+ if (!ip_set_list) {
-+ printk(KERN_ERR "Unable to create ip_set_list\n");
-+ return -ENOMEM;
-+ }
-+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
-+ if (hash_size)
-+ ip_set_bindings_hash_size = hash_size;
-+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
-+ if (!ip_set_hash) {
-+ printk(KERN_ERR "Unable to create ip_set_hash\n");
-+ vfree(ip_set_list);
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < ip_set_bindings_hash_size; i++)
-+ INIT_LIST_HEAD(&ip_set_hash[i]);
-+
-+ INIT_LIST_HEAD(&set_type_list);
-+
-+ res = nf_register_sockopt(&so_set);
-+ if (res != 0) {
-+ ip_set_printk("SO_SET registry failed: %d", res);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ return res;
-+ }
-+
-+ return 0;
-+}
-+
-+static void __exit ip_set_fini(void)
-+{
-+ /* There can't be any existing set or binding */
-+ nf_unregister_sockopt(&so_set);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ DP("these are the famous last words");
-+}
-+
-+EXPORT_SYMBOL(ip_set_register_set_type);
-+EXPORT_SYMBOL(ip_set_unregister_set_type);
-+
-+EXPORT_SYMBOL(ip_set_get_byname);
-+EXPORT_SYMBOL(ip_set_get_byindex);
-+EXPORT_SYMBOL(ip_set_put_byindex);
-+EXPORT_SYMBOL(ip_set_id);
-+EXPORT_SYMBOL(__ip_set_get_byname);
-+EXPORT_SYMBOL(__ip_set_put_byindex);
-+
-+EXPORT_SYMBOL(ip_set_addip_kernel);
-+EXPORT_SYMBOL(ip_set_delip_kernel);
-+EXPORT_SYMBOL(ip_set_testip_kernel);
-+
-+module_init(ip_set_init);
-+module_exit(ip_set_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iphash.c
-@@ -0,0 +1,166 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_iphash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iphash, test)
-+KADT(iphash, test, ipaddr)
-+
-+static inline int
-+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+
-+ if (!ip || map->elements >= limit)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+
-+ return __iphash_add(map, hash_ip);
-+}
-+
-+UADT(iphash, add)
-+KADT(iphash, add, ipaddr)
-+
-+static inline void
-+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map)
-+{
-+ tmp->netmask = map->netmask;
-+}
-+
-+HASH_RETRY(iphash, ip_set_ip_t)
-+
-+static inline int
-+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ id = iphash_id(set, hash_ip, ip);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(iphash, del)
-+KADT(iphash, del, ipaddr)
-+
-+static inline int
-+__iphash_create(const struct ip_set_req_iphash_create *req,
-+ struct ip_set_iphash *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(iphash, ip_set_ip_t)
-+HASH_DESTROY(iphash)
-+
-+HASH_FLUSH(iphash, ip_set_ip_t)
-+
-+static inline void
-+__iphash_list_header(const struct ip_set_iphash *map,
-+ struct ip_set_req_iphash_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+HASH_LIST_HEADER(iphash)
-+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(iphash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(iphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipmap.c
-@@ -0,0 +1,142 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the single bitmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
-+
-+static inline ip_set_ip_t
-+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
-+{
-+ return (ip - map->first_ip)/map->hosts;
-+}
-+
-+static inline int
-+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return !!test_bit(ip_to_id(map, *hash_ip), map->members);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(ipmap, test)
-+KADT(ipmap, test, ipaddr)
-+
-+static inline int
-+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, add)
-+KADT(ipmap, add, ipaddr)
-+
-+static inline int
-+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, del)
-+KADT(ipmap, del, ipaddr)
-+
-+static inline int
-+__ipmap_create(const struct ip_set_req_ipmap_create *req,
-+ struct ip_set_ipmap *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ if (req->netmask == 0xFFFFFFFF) {
-+ map->hosts = 1;
-+ map->sizeid = map->last_ip - map->first_ip + 1;
-+ } else {
-+ unsigned int mask_bits, netmask_bits;
-+ ip_set_ip_t mask;
-+
-+ map->first_ip &= map->netmask; /* Should we better bark? */
-+
-+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
-+ netmask_bits = mask_to_bits(map->netmask);
-+
-+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF))
-+ || netmask_bits <= mask_bits)
-+ return -ENOEXEC;
-+
-+ DP("mask_bits %u, netmask_bits %u",
-+ mask_bits, netmask_bits);
-+ map->hosts = 2 << (32 - netmask_bits - 1);
-+ map->sizeid = 2 << (netmask_bits - mask_bits - 1);
-+ }
-+ if (map->sizeid > MAX_RANGE + 1) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ map->sizeid, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid);
-+ return bitmap_bytes(0, map->sizeid - 1);
-+}
-+
-+BITMAP_CREATE(ipmap)
-+BITMAP_DESTROY(ipmap)
-+BITMAP_FLUSH(ipmap)
-+
-+static inline void
-+__ipmap_list_header(const struct ip_set_ipmap *map,
-+ struct ip_set_req_ipmap_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+BITMAP_LIST_HEADER(ipmap)
-+BITMAP_LIST_MEMBERS_SIZE(ipmap)
-+BITMAP_LIST_MEMBERS(ipmap)
-+
-+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipmap type of IP sets");
-+
-+REGISTER_MODULE(ipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipporthash.c
-@@ -0,0 +1,203 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipporthash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port; \
-+ \
-+ if (flags[index+1] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipporthash, test, req->port)
-+KADT(ipporthash, test, ipaddr, port)
-+
-+static inline int
-+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ return __ipporthash_add(map, hash_ip);
-+}
-+
-+UADT(ipporthash, add, req->port)
-+KADT(ipporthash, add, ipaddr, port)
-+
-+static inline void
-+__ipporthash_retry(struct ip_set_ipporthash *tmp,
-+ struct ip_set_ipporthash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY(ipporthash, ip_set_ip_t)
-+
-+static inline int
-+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ ip_set_ip_t id;
-+ ip_set_ip_t *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipporthash_id(set, hash_ip, ip, port);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipporthash, del, req->port)
-+KADT(ipporthash, del, ipaddr, port)
-+
-+static inline int
-+__ipporthash_create(const struct ip_set_req_ipporthash_create *req,
-+ struct ip_set_ipporthash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipporthash, ip_set_ip_t)
-+HASH_DESTROY(ipporthash)
-+HASH_FLUSH(ipporthash, ip_set_ip_t)
-+
-+static inline void
-+__ipporthash_list_header(const struct ip_set_ipporthash *map,
-+ struct ip_set_req_ipporthash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipporthash)
-+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipporthash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipporthash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c
-@@ -0,0 +1,216 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportiphash, test, req->port, req->ip1)
-+KADT(ipportiphash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportip_add(struct ip_set_ipportiphash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportiphash_add(struct ip_set_ipportiphash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportip_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ return __ipportip_add(map, *hash_ip, ip1);
-+}
-+
-+UADT(ipportiphash, add, req->port, req->ip1)
-+KADT(ipportiphash, add, ipaddr, port, ip1)
-+
-+static inline void
-+__ipportiphash_retry(struct ip_set_ipportiphash *tmp,
-+ struct ip_set_ipportiphash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY2(ipportiphash, struct ipportip)
-+
-+static inline int
-+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipportiphash_id(set, hash_ip, ip, port, ip1);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipportiphash, del, req->port, req->ip1)
-+KADT(ipportiphash, del, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req,
-+ struct ip_set_ipportiphash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportiphash, struct ipportip)
-+HASH_DESTROY(ipportiphash)
-+HASH_FLUSH(ipportiphash, struct ipportip)
-+
-+static inline void
-+__ipportiphash_list_header(const struct ip_set_ipportiphash *map,
-+ struct ip_set_req_ipportiphash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportiphash)
-+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportiphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportiphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c
-@@ -0,0 +1,304 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+net hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+static int
-+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_ipportnethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32
-+ ? ipportnethash_test(set, hash_ip, req->ip, req->port,
-+ req->ip1)
-+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port,
-+ req->ip1, req->cidr));
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+KADT(ipportnethash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportnet_add(struct ip_set_ipportnethash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportnethash_add(struct ip_set_ipportnethash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportnet_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ struct ipportip;
-+ int ret;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+ if (map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ ret =__ipportnet_add(map, *hash_ip, ip1);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_ipportnethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportnethash, add, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, add, ipaddr, port, ip1, cidr)
-+
-+static inline void
-+__ipportnethash_retry(struct ip_set_ipportnethash *tmp,
-+ struct ip_set_ipportnethash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY2(ipportnethash, struct ipportip)
-+
-+static inline int
-+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+
-+ return 0;
-+}
-+
-+UADT(ipportnethash, del, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, del, ipaddr, port, ip1, cidr)
-+
-+static inline int
-+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req,
-+ struct ip_set_ipportnethash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportnethash, struct ipportip)
-+HASH_DESTROY(ipportnethash)
-+HASH_FLUSH_CIDR(ipportnethash, struct ipportip);
-+
-+static inline void
-+__ipportnethash_list_header(const struct ip_set_ipportnethash *map,
-+ struct ip_set_req_ipportnethash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportnethash)
-+
-+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportnethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportnethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptree.c
-@@ -0,0 +1,466 @@
-+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the iptree type */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptree.h>
-+
-+static int limit = MAX_RANGE;
-+
-+/* Garbage collection interval in seconds: */
-+#define IPTREE_GC_TIME 5*60
-+/* Sleep so many milliseconds before trying again
-+ * to delete the gc timer at destroying/flushing a set */
-+#define IPTREE_DESTROY_SLEEP 100
-+
-+static __KMEM_CACHE_T__ *branch_cachep;
-+static __KMEM_CACHE_T__ *leaf_cachep;
-+
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[3]; \
-+ b = ((unsigned char *)addrp)[2]; \
-+ c = ((unsigned char *)addrp)[1]; \
-+ d = ((unsigned char *)addrp)[0]; \
-+} while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return 0; \
-+} while (0)
-+
-+static inline int
-+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
-+ TESTIP_WALK(map, a, btree);
-+ TESTIP_WALK(btree, b, ctree);
-+ TESTIP_WALK(ctree, c, dtree);
-+ DP("%lu %lu", dtree->expires[d], jiffies);
-+ return dtree->expires[d]
-+ && (!map->timeout
-+ || time_after(dtree->expires[d], jiffies));
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptree, test)
-+KADT(iptree, test, ipaddr)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \
-+ if ((map)->tree[elem]) { \
-+ DP("found %u", elem); \
-+ branch = (map)->tree[elem]; \
-+ } else { \
-+ branch = (type *) \
-+ kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (branch == NULL) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ DP("alloc %u", elem); \
-+ } \
-+} while (0)
-+
-+static inline int
-+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, unsigned int timeout)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ int ret = 0;
-+
-+ if (!ip || map->elements >= limit)
-+ /* We could call the garbage collector
-+ * but it's probably overkill */
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ ret = -EEXIST;
-+ if (map->timeout && timeout == 0)
-+ timeout = map->timeout;
-+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
-+ /* Lottery: I won! */
-+ if (dtree->expires[d] == 0)
-+ dtree->expires[d] = 1;
-+ DP("%u %lu", d, dtree->expires[d]);
-+ if (ret == 0)
-+ map->elements++;
-+ return ret;
-+}
-+
-+UADT(iptree, add, req->timeout)
-+KADT(iptree, add, ipaddr, 0)
-+
-+#define DELIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return -EEXIST; \
-+} while (0)
-+
-+static inline int
-+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DELIP_WALK(map, a, btree);
-+ DELIP_WALK(btree, b, ctree);
-+ DELIP_WALK(ctree, c, dtree);
-+
-+ if (dtree->expires[d]) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ return 0;
-+ }
-+ return -EEXIST;
-+}
-+
-+UADT(iptree, del)
-+KADT(iptree, del, ipaddr)
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) \
-+ continue; \
-+ branch = (map)->tree[i]
-+
-+#define LOOP_WALK_END }
-+
-+static void
-+ip_tree_gc(unsigned long ul_set)
-+{
-+ struct ip_set *set = (struct ip_set *) ul_set;
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned char i,j,k;
-+
-+ i = j = k = 0;
-+ DP("gc: %s", set->name);
-+ write_lock_bh(&set->lock);
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]) {
-+ DP("gc: %u %u %u %u: expires %lu jiffies %lu",
-+ a, b, c, d,
-+ dtree->expires[d], jiffies);
-+ if (map->timeout
-+ && time_before(dtree->expires[d], jiffies)) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ } else
-+ k = 1;
-+ }
-+ }
-+ if (k == 0) {
-+ DP("gc: %s: leaf %u %u %u empty",
-+ set->name, a, b, c);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ ctree->tree[c] = NULL;
-+ } else {
-+ DP("gc: %s: leaf %u %u %u not empty",
-+ set->name, a, b, c);
-+ j = 1;
-+ k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (j == 0) {
-+ DP("gc: %s: branch %u %u empty",
-+ set->name, a, b);
-+ kmem_cache_free(branch_cachep, ctree);
-+ btree->tree[b] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u %u not empty",
-+ set->name, a, b);
-+ i = 1;
-+ j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (i == 0) {
-+ DP("gc: %s: branch %u empty",
-+ set->name, a);
-+ kmem_cache_free(branch_cachep, btree);
-+ map->tree[a] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u not empty",
-+ set->name, a);
-+ i = j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* Even if there is no timeout for the entries,
-+ * we still have to call gc because delete
-+ * do not clean up empty branches */
-+ map->gc_interval = IPTREE_GC_TIME;
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = ip_tree_gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptree_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptree_create *req = data;
-+ struct ip_set_iptree *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptree_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %lu)",
-+ sizeof(struct ip_set_req_iptree_create),
-+ (unsigned long)size);
-+ return -EINVAL;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %zu bytes",
-+ sizeof(struct ip_set_iptree));
-+ return -ENOMEM;
-+ }
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = req->timeout;
-+ map->elements = 0;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptree *map)
-+{
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, ctree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, btree);
-+ LOOP_WALK_END;
-+ map->elements = 0;
-+}
-+
-+static void
-+iptree_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+iptree_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ unsigned int timeout = map->timeout;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = timeout;
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptree_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_req_iptree_create *header = data;
-+
-+ header->timeout = map->timeout;
-+}
-+
-+static int
-+iptree_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned int count = 0;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ count++;
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+
-+ DP("members %u", count);
-+ return (count * sizeof(struct ip_set_req_iptree));
-+}
-+
-+static void
-+iptree_list_members(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ size_t offset = 0;
-+ struct ip_set_req_iptree *entry;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
-+ entry = data + offset;
-+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ entry->timeout = !map->timeout ? 0
-+ : (dtree->expires[d] - jiffies)/HZ;
-+ offset += sizeof(struct ip_set_req_iptree);
-+ }
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+}
-+
-+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptree type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_iptree_init(void)
-+{
-+ int ret;
-+
-+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb));
-+ if (!branch_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed));
-+ if (!leaf_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
-+ ret = -ENOMEM;
-+ goto free_branch;
-+ }
-+ ret = ip_set_register_set_type(&ip_set_iptree);
-+ if (ret == 0)
-+ goto out;
-+
-+ kmem_cache_destroy(leaf_cachep);
-+ free_branch:
-+ kmem_cache_destroy(branch_cachep);
-+ out:
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptree_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iptree);
-+ kmem_cache_destroy(leaf_cachep);
-+ kmem_cache_destroy(branch_cachep);
-+}
-+
-+module_init(ip_set_iptree_init);
-+module_exit(ip_set_iptree_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptreemap.c
-@@ -0,0 +1,708 @@
-+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ */
-+
-+/* This modules implements the iptreemap ipset type. It uses bitmaps to
-+ * represent every single IPv4 address as a bit. The bitmaps are managed in a
-+ * tree structure, where the first three octets of an address are used as an
-+ * index to find the bitmap and the last octet is used as the bit number.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptreemap.h>
-+
-+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60)
-+#define IPTREEMAP_DESTROY_SLEEP (100)
-+
-+static __KMEM_CACHE_T__ *cachep_b;
-+static __KMEM_CACHE_T__ *cachep_c;
-+static __KMEM_CACHE_T__ *cachep_d;
-+
-+static struct ip_set_iptreemap_d *fullbitmap_d;
-+static struct ip_set_iptreemap_c *fullbitmap_c;
-+static struct ip_set_iptreemap_b *fullbitmap_b;
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a, b, c, d, addr) \
-+ do { \
-+ a = ((unsigned char *)addr)[3]; \
-+ b = ((unsigned char *)addr)[2]; \
-+ c = ((unsigned char *)addr)[1]; \
-+ d = ((unsigned char *)addr)[0]; \
-+ } while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) \
-+ return 0; \
-+ else if (branch == full) \
-+ return 1; \
-+ } while (0)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ } else if (branch == full) { \
-+ return -EEXIST; \
-+ } \
-+ } while (0)
-+
-+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch != full) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch) \
-+ free(branch); \
-+ (map)->tree[a] = full; \
-+ continue; \
-+ } else if (!branch) { \
-+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define ADDIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ return -EEXIST; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*full)); \
-+ (map)->tree[elem] = branch; \
-+ } \
-+ } while (0)
-+
-+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch != full) \
-+ free(branch); \
-+ (map)->tree[a] = NULL; \
-+ continue; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define DELIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue;
-+
-+#define LOOP_WALK_END() \
-+ }
-+
-+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \
-+ count = -256; \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue; \
-+ count++; \
-+ if (branch == full) { \
-+ count++; \
-+ continue; \
-+ }
-+
-+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \
-+ if (-256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = NULL; \
-+ } else if (256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = full; \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) { \
-+ if (inrange) { \
-+ count++; \
-+ inrange = 0; \
-+ } \
-+ continue; \
-+ } \
-+ branch = (map)->tree[i];
-+
-+#define LOOP_WALK_END_COUNT() \
-+ }
-+
-+#define GETVALUE1(a, a1, b1, r) \
-+ (a == a1 ? b1 : r)
-+
-+#define GETVALUE2(a, b, a1, b1, c1, r) \
-+ (a == a1 && b == b1 ? c1 : r)
-+
-+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \
-+ (a == a1 && b == b1 && c == c1 ? d1 : r)
-+
-+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE1(a, a1, b1, 0) == 0 \
-+ && GETVALUE1(a, a2, b2, 255) == 255 \
-+ && c1 == 0 \
-+ && c2 == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \
-+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \
-+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \
-+ )
-+
-+
-+static inline void
-+free_d(struct ip_set_iptreemap_d *map)
-+{
-+ kmem_cache_free(cachep_d, map);
-+}
-+
-+static inline void
-+free_c(struct ip_set_iptreemap_c *map)
-+{
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, dtree) {
-+ if (dtree != fullbitmap_d)
-+ free_d(dtree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_c, map);
-+}
-+
-+static inline void
-+free_b(struct ip_set_iptreemap_b *map)
-+{
-+ struct ip_set_iptreemap_c *ctree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, ctree) {
-+ if (ctree != fullbitmap_c)
-+ free_c(ctree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_b, map);
-+}
-+
-+static inline int
-+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ TESTIP_WALK(map, a, btree, fullbitmap_b);
-+ TESTIP_WALK(btree, b, ctree, fullbitmap_c);
-+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d);
-+
-+ return !!test_bit(d, (void *) dtree->bitmap);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptreemap, test)
-+KADT(iptreemap, test, ipaddr)
-+
-+static inline int
-+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d);
-+
-+ if (__test_and_set_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __addip_single(set, hash_ip, start);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) {
-+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) {
-+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __set_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end))
-+KADT(iptreemap, add, ipaddr, ip)
-+
-+static inline int
-+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags);
-+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags);
-+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags);
-+
-+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __delip_single(set, hash_ip, start, flags);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) {
-+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) {
-+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __clear_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL)
-+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC)
-+
-+/* Check the status of the bitmap
-+ * -1 == all bits cleared
-+ * 1 == all bits set
-+ * 0 == anything else
-+ */
-+static inline int
-+bitmap_status(struct ip_set_iptreemap_d *dtree)
-+{
-+ unsigned char first = dtree->bitmap[0];
-+ int a;
-+
-+ for (a = 1; a < 32; a++)
-+ if (dtree->bitmap[a] != first)
-+ return 0;
-+
-+ return (first == 0 ? -1 : (first == 255 ? 1 : 0));
-+}
-+
-+static void
-+gc(unsigned long addr)
-+{
-+ struct ip_set *set = (struct ip_set *) addr;
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c;
-+ int i, j, k;
-+
-+ write_lock_bh(&set->lock);
-+
-+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) {
-+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) {
-+ if (!__test_and_clear_bit(b, (void *) btree->dirty))
-+ continue;
-+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) {
-+ switch (bitmap_status(dtree)) {
-+ case -1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = NULL;
-+ k--;
-+ break;
-+ case 1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = fullbitmap_d;
-+ k++;
-+ break;
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k);
-+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j);
-+
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptreemap_create *req = data;
-+ struct ip_set_iptreemap *map;
-+
-+ map = kzalloc(sizeof(*map), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+
-+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptreemap *map)
-+{
-+ struct ip_set_iptreemap_b *btree;
-+ unsigned int a;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ if (btree != fullbitmap_b)
-+ free_b(btree);
-+ LOOP_WALK_END();
-+}
-+
-+static void
-+iptreemap_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void
-+iptreemap_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+
-+ memset(map, 0, sizeof(*map));
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptreemap_list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_req_iptreemap_create *header = data;
-+
-+ header->gc_interval = map->gc_interval;
-+}
-+
-+static int
-+iptreemap_list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0, count = 0;
-+
-+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ inrange = 1;
-+ } else if (inrange) {
-+ count++;
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+
-+ if (inrange)
-+ count++;
-+
-+ return (count * sizeof(struct ip_set_req_iptreemap));
-+}
-+
-+static inline u_int32_t
-+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_req_iptreemap *entry = data + offset;
-+
-+ entry->ip = start;
-+ entry->end = end;
-+
-+ return sizeof(*entry);
-+}
-+
-+static void
-+iptreemap_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0;
-+ size_t offset = 0;
-+ ip_set_ip_t start = 0, end = 0, ip;
-+
-+ LOOP_WALK_BEGIN(map, a, btree) {
-+ LOOP_WALK_BEGIN(btree, b, ctree) {
-+ LOOP_WALK_BEGIN(ctree, c, dtree) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ if (!inrange) {
-+ inrange = 1;
-+ start = ip;
-+ } else if (end < ip - 1) {
-+ offset += add_member(data, offset, start, end);
-+ start = ip;
-+ }
-+ end = ip;
-+ } else if (inrange) {
-+ offset += add_member(data, offset, start, end);
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+
-+ if (inrange)
-+ add_member(data, offset, start, end);
-+}
-+
-+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>");
-+MODULE_DESCRIPTION("iptreemap type of IP sets");
-+
-+static int __init ip_set_iptreemap_init(void)
-+{
-+ int ret = -ENOMEM;
-+ int a;
-+
-+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b",
-+ sizeof(struct ip_set_iptreemap_b));
-+ if (!cachep_b) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache");
-+ goto out;
-+ }
-+
-+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c",
-+ sizeof(struct ip_set_iptreemap_c));
-+ if (!cachep_c) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache");
-+ goto outb;
-+ }
-+
-+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d",
-+ sizeof(struct ip_set_iptreemap_d));
-+ if (!cachep_d) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache");
-+ goto outc;
-+ }
-+
-+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL);
-+ if (!fullbitmap_d)
-+ goto outd;
-+
-+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL);
-+ if (!fullbitmap_c)
-+ goto outbitmapd;
-+
-+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL);
-+ if (!fullbitmap_b)
-+ goto outbitmapc;
-+
-+ ret = ip_set_register_set_type(&ip_set_iptreemap);
-+ if (0 > ret)
-+ goto outbitmapb;
-+
-+ /* Now init our global bitmaps */
-+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap));
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_c->tree[a] = fullbitmap_d;
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_b->tree[a] = fullbitmap_c;
-+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty));
-+
-+ return 0;
-+
-+outbitmapb:
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+outbitmapc:
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+outbitmapd:
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+outd:
-+ kmem_cache_destroy(cachep_d);
-+outc:
-+ kmem_cache_destroy(cachep_c);
-+outb:
-+ kmem_cache_destroy(cachep_b);
-+out:
-+
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptreemap_fini(void)
-+{
-+ ip_set_unregister_set_type(&ip_set_iptreemap);
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+ kmem_cache_destroy(cachep_d);
-+ kmem_cache_destroy(cachep_c);
-+ kmem_cache_destroy(cachep_b);
-+}
-+
-+module_init(ip_set_iptreemap_init);
-+module_exit(ip_set_iptreemap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_macipmap.c
-@@ -0,0 +1,164 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the macipmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/if_ether.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
-+
-+static int
-+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ const struct ip_set_req_macipmap *req = data;
-+
-+ if (req->ip < map->first_ip || req->ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = req->ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));
-+ if (table[req->ip - map->first_ip].match) {
-+ return (memcmp(req->ethernet,
-+ &table[req->ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0);
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+static int
-+macipmap_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ ip_set_ip_t ip;
-+
-+ ip = ipaddr(skb, flags[index]);
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return 0;
-+
-+ *hash_ip = ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (table[ip - map->first_ip].match) {
-+ /* Is mac pointer valid?
-+ * If so, compare... */
-+ return (skb_mac_header(skb) >= skb->head
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data
-+ && (memcmp(eth_hdr(skb)->h_source,
-+ &table[ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0));
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+/* returns 0 on success */
-+static inline int
-+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, const unsigned char *ethernet)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
-+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET;
-+ return 0;
-+}
-+
-+#define KADT_CONDITION \
-+ if (!(skb_mac_header(skb) >= skb->head \
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\
-+ return -EINVAL;
-+
-+UADT(macipmap, add, req->ethernet)
-+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source)
-+
-+static inline int
-+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ table[ip - map->first_ip].match = 0;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return 0;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION
-+
-+UADT(macipmap, del)
-+KADT(macipmap, del, ipaddr)
-+
-+static inline int
-+__macipmap_create(const struct ip_set_req_macipmap_create *req,
-+ struct ip_set_macipmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->flags = req->flags;
-+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip);
-+}
-+
-+BITMAP_CREATE(macipmap)
-+BITMAP_DESTROY(macipmap)
-+BITMAP_FLUSH(macipmap)
-+
-+static inline void
-+__macipmap_list_header(const struct ip_set_macipmap *map,
-+ struct ip_set_req_macipmap_create *header)
-+{
-+ header->flags = map->flags;
-+}
-+
-+BITMAP_LIST_HEADER(macipmap)
-+BITMAP_LIST_MEMBERS_SIZE(macipmap)
-+BITMAP_LIST_MEMBERS(macipmap)
-+
-+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("macipmap type of IP sets");
-+
-+REGISTER_MODULE(macipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_nethash.c
-@@ -0,0 +1,225 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a cidr nethash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_nethash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+nethash_id_cidr(const struct ip_set_nethash *map,
-+ ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip,
-+ uint8_t cidr)
-+{
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ if (!*hash_ip)
-+ return MAX_RANGE;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+
-+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (nethash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+static int
-+nethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_nethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip)
-+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr));
-+}
-+
-+#define KADT_CONDITION
-+
-+KADT(nethash, test, ipaddr)
-+
-+static inline int
-+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ int ret;
-+
-+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ ret = __nethash_add(map, hash_ip);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_nethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31;
-+
-+UADT(nethash, add, req->cidr)
-+KADT(nethash, add, ipaddr, cidr)
-+
-+static inline void
-+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map)
-+{
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY(nethash, ip_set_ip_t)
-+
-+static inline int
-+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = nethash_id_cidr(map, hash_ip, ip, cidr);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+ return 0;
-+}
-+
-+UADT(nethash, del, req->cidr)
-+KADT(nethash, del, ipaddr, cidr)
-+
-+static inline int
-+__nethash_create(const struct ip_set_req_nethash_create *req,
-+ struct ip_set_nethash *map)
-+{
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(nethash, ip_set_ip_t)
-+HASH_DESTROY(nethash)
-+
-+HASH_FLUSH_CIDR(nethash, ip_set_ip_t)
-+
-+static inline void
-+__nethash_list_header(const struct ip_set_nethash *map,
-+ struct ip_set_req_nethash_create *header)
-+{
-+}
-+
-+HASH_LIST_HEADER(nethash)
-+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(nethash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("nethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(nethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_portmap.c
-@@ -0,0 +1,114 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a port set type as a bitmap */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_portmap.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static inline int
-+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port,
-+ ip_set_ip_t port)
-+{
-+ const struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_port = port;
-+ DP("set: %s, port:%u, %u", set->name, port, *hash_port);
-+ return !!test_bit(port - map->first_ip, map->members);
-+}
-+
-+#define KADT_CONDITION \
-+ if (ip == INVALID_PORT) \
-+ return 0;
-+
-+UADT(portmap, test)
-+KADT(portmap, test, get_port)
-+
-+static inline int
-+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (test_and_set_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, add)
-+KADT(portmap, add, get_port)
-+
-+static inline int
-+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, del)
-+KADT(portmap, del, get_port)
-+
-+static inline int
-+__portmap_create(const struct ip_set_req_portmap_create *req,
-+ struct ip_set_portmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ return bitmap_bytes(req->from, req->to);
-+}
-+
-+BITMAP_CREATE(portmap)
-+BITMAP_DESTROY(portmap)
-+BITMAP_FLUSH(portmap)
-+
-+static inline void
-+__portmap_list_header(const struct ip_set_portmap *map,
-+ struct ip_set_req_portmap_create *header)
-+{
-+}
-+
-+BITMAP_LIST_HEADER(portmap)
-+BITMAP_LIST_MEMBERS_SIZE(portmap)
-+BITMAP_LIST_MEMBERS(portmap)
-+
-+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("portmap type of IP sets");
-+
-+REGISTER_MODULE(portmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_setlist.c
-@@ -0,0 +1,330 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the setlist type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_setlist.h>
-+
-+/*
-+ * before ==> index, ref
-+ * after ==> ref, index
-+ */
-+
-+static inline int
-+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ return i < map->size && map->index[i] == index;
-+}
-+
-+static int
-+setlist_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = 0;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return 0;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return 0;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before && map->index[i] == index) {
-+ res = next_index_eq(map, i + 1, ref);
-+ break;
-+ } else if (!req->before) {
-+ if ((ref == IP_SET_INVALID_ID
-+ && map->index[i] == index)
-+ || (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index))) {
-+ res = 1;
-+ break;
-+ }
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = 0;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res == 0; i++)
-+ res = ip_set_testip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ ip_set_id_t tmp;
-+ int j;
-+
-+ DP("i: %u, last %u\n", i, map->index[map->size - 1]);
-+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID)
-+ return -ERANGE;
-+
-+ for (j = i; j < map->size
-+ && index != IP_SET_INVALID_ID; j++) {
-+ tmp = map->index[j];
-+ map->index[j] = index;
-+ index = tmp;
-+ }
-+ return 0;
-+}
-+
-+static int
-+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -ERANGE;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ /* "Loop detection" */
-+ if (strcmp(s->type->typename, "setlist") == 0)
-+ goto finish;
-+
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID) {
-+ res = -EEXIST;
-+ goto finish;
-+ }
-+ }
-+ for (i = 0; i < map->size; i++) {
-+ if (map->index[i] != ref)
-+ continue;
-+ if (req->before)
-+ res = insert_setlist(map, i, index);
-+ else
-+ res = insert_setlist(map,
-+ ref == IP_SET_INVALID_ID ? i : i + 1,
-+ index);
-+ break;
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+ /* In case of success, we keep the reference to the set */
-+finish:
-+ if (res != 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kadd(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_addip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+unshift_setlist(struct ip_set_setlist *map, int i)
-+{
-+ int j;
-+
-+ for (j = i; j < map->size - 1; j++)
-+ map->index[j] = map->index[j+1];
-+ map->index[map->size-1] = IP_SET_INVALID_ID;
-+ return 0;
-+}
-+
-+static int
-+setlist_udel(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -EEXIST;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before) {
-+ if (map->index[i] == index
-+ && next_index_eq(map, i + 1, ref)) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (ref == IP_SET_INVALID_ID) {
-+ if (map->index[i] == index) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index)) {
-+ res = unshift_setlist(map, i + 1);
-+ break;
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ /* In case of success, release the reference to the set */
-+ if (res == 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kdel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_delip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static int
-+setlist_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ struct ip_set_setlist *map;
-+ const struct ip_set_req_setlist_create *req = data;
-+ int i;
-+
-+ map = kmalloc(sizeof(struct ip_set_setlist) +
-+ req->size * sizeof(ip_set_id_t), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+ map->size = req->size;
-+ for (i = 0; i < map->size; i++)
-+ map->index[i] = IP_SET_INVALID_ID;
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void
-+setlist_destroy(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++)
-+ __ip_set_put_byindex(map->index[i]);
-+
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+setlist_flush(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ __ip_set_put_byindex(map->index[i]);
-+ map->index[i] = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static void
-+setlist_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ struct ip_set_req_setlist_create *header = data;
-+
-+ header->size = map->size;
-+}
-+
-+static int
-+setlist_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+
-+ return map->size * sizeof(ip_set_id_t);
-+}
-+
-+static void
-+setlist_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size; i++)
-+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]);
-+}
-+
-+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("setlist type of IP sets");
-+
-+REGISTER_MODULE(setlist)
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_set.c
-@@ -0,0 +1,238 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module to match an IP set. */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_match ipt_register_match
-+#define xt_unregister_match ipt_unregister_match
-+#define xt_match ipt_match
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static inline int
-+match_set(const struct ipt_set_info *info,
-+ const struct sk_buff *skb,
-+ int inv)
-+{
-+ if (ip_set_testip_kernel(info->index, skb, info->flags))
-+ inv = !inv;
-+ return inv;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ const void *hdr,
-+ u_int16_t datalen,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ bool *hotdrop)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct xt_match_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_match *info = matchinfo;
-+#else
-+ const struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+ return match_set(&info->match_set,
-+ skb,
-+ info->match_set.flags[0] & IPSET_MATCH_INV);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_ip *ip,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_mtchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return 0;
-+ }
-+#endif
-+
-+ index = ip_set_get_byindex(info->match_set.index);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("Cannot find set indentified by id %u to match",
-+ info->match_set.index);
-+ return 0; /* error */
-+ }
-+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_mtdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return;
-+ }
-+#endif
-+ ip_set_put_byindex(info->match_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .match = &match,
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .family = AF_INET,
-+ .match = &match,
-+ .matchsize = sizeof(struct ipt_set_info_match),
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set match module");
-+
-+static int __init ipt_ipset_init(void)
-+{
-+ return xt_register_match(&set_match);
-+}
-+
-+static void __exit ipt_ipset_fini(void)
-+{
-+ xt_unregister_match(&set_match);
-+}
-+
-+module_init(ipt_ipset_init);
-+module_exit(ipt_ipset_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_SET.c
-@@ -0,0 +1,242 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* ipt_SET.c - netfilter target to manipulate IP sets */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#include <linux/netfilter_ipv4.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_target ipt_register_target
-+#define xt_unregister_target ipt_unregister_target
-+#define xt_target ipt_target
-+#define XT_CONTINUE IPT_CONTINUE
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static unsigned int
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+target(struct sk_buff **pskb,
-+ unsigned int hooknum,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+target(struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+target(struct sk_buff *skb,
-+ const struct xt_target_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+ struct sk_buff *skb = *pskb;
-+#endif
-+
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_addip_kernel(info->add_set.index,
-+ skb,
-+ info->add_set.flags);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_delip_kernel(info->del_set.index,
-+ skb,
-+ info->del_set.flags);
-+
-+ return XT_CONTINUE;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_entry *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_tgchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targinfosize != IPT_ALIGN(sizeof(*info))) {
-+ DP("bad target info size %u", targinfosize);
-+ return 0;
-+ }
-+#endif
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->add_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find add_set index %u as target",
-+ info->add_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+
-+ if (info->del_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->del_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find del_set index %u as target",
-+ info->del_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0
-+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_tgdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targetinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) {
-+ ip_set_printk("invalid targetsize %d", targetsize);
-+ return;
-+ }
-+#endif
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->add_set.index);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->del_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .target = target,
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .family = AF_INET,
-+ .target = target,
-+ .targetsize = sizeof(struct ipt_set_info_target),
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set target module");
-+
-+static int __init ipt_SET_init(void)
-+{
-+ return xt_register_target(&SET_target);
-+}
-+
-+static void __exit ipt_SET_fini(void)
-+{
-+ xt_unregister_target(&SET_target);
-+}
-+
-+module_init(ipt_SET_init);
-+module_exit(ipt_SET_fini);
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -379,5 +379,146 @@ config IP_NF_ARP_MANGLE
- Allows altering the ARP packet payload: source and destination
- hardware and network addresses.
-
-+config IP_NF_SET
-+ tristate "IP set support"
-+ depends on INET && NETFILTER
-+ help
-+ This option adds IP set support to the kernel.
-+ In order to define and use sets, you need the userspace utility
-+ ipset(8).
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MAX
-+ int "Maximum number of IP sets"
-+ default 256
-+ range 2 65534
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the maximum number
-+ of IP sets for the kernel.
-+
-+ The value can be overriden by the 'max_sets' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_HASHSIZE
-+ int "Hash size for bindings of IP sets"
-+ default 1024
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the hash size for
-+ bindings of IP sets.
-+
-+ The value can be overriden by the 'hash_size' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_IPMAP
-+ tristate "ipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MACIPMAP
-+ tristate "macipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the macipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_PORTMAP
-+ tristate "portmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the portmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPHASH
-+ tristate "iphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_NETHASH
-+ tristate "nethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the nethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTHASH
-+ tristate "ipporthash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipporthash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTIPHASH
-+ tristate "ipportiphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportiphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTNETHASH
-+ tristate "ipportnethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportnethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREE
-+ tristate "iptree set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptree set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREEMAP
-+ tristate "iptreemap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptreemap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_SETLIST
-+ tristate "setlist set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the setlist set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_MATCH_SET
-+ tristate "set match support"
-+ depends on IP_NF_SET
-+ help
-+ Set matching matches against given IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_TARGET_SET
-+ tristate "SET target support"
-+ depends on IP_NF_SET
-+ help
-+ The SET target makes possible to add/delete entries
-+ in IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+
- endmenu
-
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -46,6 +46,7 @@ obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
- obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o
- obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
-+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
-
- # targets
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
-@@ -57,6 +58,21 @@ obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += i
- obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
- obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o
- obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
-+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
-+
-+# sets
-+obj-$(CONFIG_IP_NF_SET) += ip_set.o
-+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
-+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
-+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
-+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
-+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o
-+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
-+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o
-+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o
-
- # generic ARP tables
- obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o
+++ /dev/null
---- a/include/linux/netfilter_ipv4/Kbuild
-+++ b/include/linux/netfilter_ipv4/Kbuild
-@@ -45,3 +45,20 @@ header-y += ipt_ttl.h
-
- unifdef-y += ip_queue.h
- unifdef-y += ip_tables.h
-+
-+unifdef-y += ip_set.h
-+header-y += ip_set_iphash.h
-+unifdef-y += ip_set_bitmaps.h
-+unifdef-y += ip_set_getport.h
-+unifdef-y += ip_set_hashes.h
-+header-y += ip_set_ipmap.h
-+header-y += ip_set_ipporthash.h
-+header-y += ip_set_ipportiphash.h
-+header-y += ip_set_ipportnethash.h
-+unifdef-y += ip_set_iptree.h
-+unifdef-y += ip_set_iptreemap.h
-+header-y += ip_set_jhash.h
-+header-y += ip_set_macipmap.h
-+header-y += ip_set_nethash.h
-+header-y += ip_set_portmap.h
-+header-y += ip_set_setlist.h
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set.h
-@@ -0,0 +1,574 @@
-+#ifndef _IP_SET_H
-+#define _IP_SET_H
-+
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#if 0
-+#define IP_SET_DEBUG
-+#endif
-+
-+/*
-+ * A sockopt of such quality has hardly ever been seen before on the open
-+ * market! This little beauty, hardly ever used: above 64, so it's
-+ * traditionally used for firewalling, not touched (even once!) by the
-+ * 2.0, 2.2 and 2.4 kernels!
-+ *
-+ * Comes with its own certificate of authenticity, valid anywhere in the
-+ * Free world!
-+ *
-+ * Rusty, 19.4.2000
-+ */
-+#define SO_IP_SET 83
-+
-+/*
-+ * Heavily modify by Joakim Axelsson 08.03.2002
-+ * - Made it more modulebased
-+ *
-+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
-+ * - bindings added
-+ * - in order to "deal with" backward compatibility, renamed to ipset
-+ */
-+
-+/*
-+ * Used so that the kernel module and ipset-binary can match their versions
-+ */
-+#define IP_SET_PROTOCOL_VERSION 3
-+
-+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-+
-+/* Lets work with our own typedef for representing an IP address.
-+ * We hope to make the code more portable, possibly to IPv6...
-+ *
-+ * The representation works in HOST byte order, because most set types
-+ * will perform arithmetic operations and compare operations.
-+ *
-+ * For now the type is an uint32_t.
-+ *
-+ * Make sure to ONLY use the functions when translating and parsing
-+ * in order to keep the host byte order and make it more portable:
-+ * parse_ip()
-+ * parse_mask()
-+ * parse_ipandmask()
-+ * ip_tostring()
-+ * (Joakim: where are they???)
-+ */
-+
-+typedef uint32_t ip_set_ip_t;
-+
-+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
-+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
-+ */
-+typedef uint16_t ip_set_id_t;
-+
-+#define IP_SET_INVALID_ID 65535
-+
-+/* How deep we follow bindings */
-+#define IP_SET_MAX_BINDINGS 6
-+
-+/*
-+ * Option flags for kernel operations (ipt_set_info)
-+ */
-+#define IPSET_SRC 0x01 /* Source match/add */
-+#define IPSET_DST 0x02 /* Destination match/add */
-+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-+
-+/*
-+ * Set features
-+ */
-+#define IPSET_TYPE_IP 0x01 /* IP address type of set */
-+#define IPSET_TYPE_PORT 0x02 /* Port type of set */
-+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */
-+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */
-+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */
-+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */
-+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */
-+
-+/* Reserved keywords */
-+#define IPSET_TOKEN_DEFAULT ":default:"
-+#define IPSET_TOKEN_ALL ":all:"
-+
-+/* SO_IP_SET operation constants, and their request struct types.
-+ *
-+ * Operation ids:
-+ * 0-99: commands with version checking
-+ * 100-199: add/del/test/bind/unbind
-+ * 200-299: list, save, restore
-+ */
-+
-+/* Single shot operations:
-+ * version, create, destroy, flush, rename and swap
-+ *
-+ * Sets are identified by name.
-+ */
-+
-+#define IP_SET_REQ_STD \
-+ unsigned op; \
-+ unsigned version; \
-+ char name[IP_SET_MAXNAMELEN]
-+
-+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-+struct ip_set_req_create {
-+ IP_SET_REQ_STD;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-+struct ip_set_req_std {
-+ IP_SET_REQ_STD;
-+};
-+
-+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-+/* Uses ip_set_req_std */
-+
-+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-+/* Uses ip_set_req_create */
-+
-+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-+/* Uses ip_set_req_create */
-+
-+union ip_set_name_index {
-+ char name[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+};
-+
-+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-+struct ip_set_req_get_set {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+};
-+
-+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-+/* Uses ip_set_req_get_set */
-+
-+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-+struct ip_set_req_version {
-+ unsigned op;
-+ unsigned version;
-+};
-+
-+/* Double shots operations:
-+ * add, del, test, bind and unbind.
-+ *
-+ * First we query the kernel to get the index and type of the target set,
-+ * then issue the command. Validity of IP is checked in kernel in order
-+ * to minimalize sockopt operations.
-+ */
-+
-+/* Get minimal set data for add/del/test/bind/unbind IP */
-+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-+struct ip_set_req_adt_get {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_REQ_BYINDEX \
-+ unsigned op; \
-+ ip_set_id_t index;
-+
-+struct ip_set_req_adt {
-+ IP_SET_REQ_BYINDEX;
-+};
-+
-+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+struct ip_set_req_bind {
-+ IP_SET_REQ_BYINDEX;
-+ char binding[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-+/* Uses ip_set_req_bind, with type speficic addage
-+ * index = 0 means unbinding for all sets */
-+
-+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+
-+/* Multiple shots operations: list, save, restore.
-+ *
-+ * - check kernel version and query the max number of sets
-+ * - get the basic information on all sets
-+ * and size required for the next step
-+ * - get actual set data: header, data, bindings
-+ */
-+
-+/* Get max_sets and the index of a queried set
-+ */
-+#define IP_SET_OP_MAX_SETS 0x00000020
-+struct ip_set_req_max_sets {
-+ unsigned op;
-+ unsigned version;
-+ ip_set_id_t max_sets; /* max_sets */
-+ ip_set_id_t sets; /* real number of sets */
-+ union ip_set_name_index set; /* index of set if name used */
-+};
-+
-+/* Get the id and name of the sets plus size for next step */
-+#define IP_SET_OP_LIST_SIZE 0x00000201
-+#define IP_SET_OP_SAVE_SIZE 0x00000202
-+struct ip_set_req_setnames {
-+ unsigned op;
-+ ip_set_id_t index; /* set to list/save */
-+ u_int32_t size; /* size to get setdata/bindings */
-+ /* followed by sets number of struct ip_set_name_list */
-+};
-+
-+struct ip_set_name_list {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ ip_set_id_t id;
-+};
-+
-+/* The actual list operation */
-+#define IP_SET_OP_LIST 0x00000203
-+struct ip_set_req_list {
-+ IP_SET_REQ_BYINDEX;
-+ /* sets number of struct ip_set_list in reply */
-+};
-+
-+struct ip_set_list {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t ref;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+ u_int32_t bindings_size;/* Set bindings data of bindings_size */
-+};
-+
-+struct ip_set_hash_list {
-+ ip_set_ip_t ip;
-+ ip_set_id_t binding;
-+};
-+
-+/* The save operation */
-+#define IP_SET_OP_SAVE 0x00000204
-+/* Uses ip_set_req_list, in the reply replaced by
-+ * sets number of struct ip_set_save plus a marker
-+ * ip_set_save followed by ip_set_hash_save structures.
-+ */
-+struct ip_set_save {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+/* At restoring, ip == 0 means default binding for the given set: */
-+struct ip_set_hash_save {
-+ ip_set_ip_t ip;
-+ ip_set_id_t id;
-+ ip_set_id_t binding;
-+};
-+
-+/* The restore operation */
-+#define IP_SET_OP_RESTORE 0x00000205
-+/* Uses ip_set_req_setnames followed by ip_set_restore structures
-+ * plus a marker ip_set_restore, followed by ip_set_hash_save
-+ * structures.
-+ */
-+struct ip_set_restore {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ u_int32_t header_size; /* Create data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-+{
-+ return 4 * ((((b - a + 8) / 8) + 3) / 4);
-+}
-+
-+/* General limit for the elements in a set */
-+#define MAX_RANGE 0x0000FFFF
-+
-+#ifdef __KERNEL__
-+#include <linux/netfilter_ipv4/ip_set_compat.h>
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+
-+#define ip_set_printk(format, args...) \
-+ do { \
-+ printk("%s: %s: ", __FILE__, __FUNCTION__); \
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+
-+#if defined(IP_SET_DEBUG)
-+#define DP(format, args...) \
-+ do { \
-+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+#define IP_SET_ASSERT(x) \
-+ do { \
-+ if (!(x)) \
-+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ } while (0)
-+#else
-+#define DP(format, args...)
-+#define IP_SET_ASSERT(x)
-+#endif
-+
-+struct ip_set;
-+
-+/*
-+ * The ip_set_type definition - one per set type, e.g. "ipmap".
-+ *
-+ * Each individual set has a pointer, set->type, going to one
-+ * of these structures. Function pointers inside the structure implement
-+ * the real behaviour of the sets.
-+ *
-+ * If not mentioned differently, the implementation behind the function
-+ * pointers of a set_type, is expected to return 0 if ok, and a negative
-+ * errno (e.g. -EINVAL) on error.
-+ */
-+struct ip_set_type {
-+ struct list_head list; /* next in list of set types */
-+
-+ /* test for IP in set (kernel: iptables -m set src|dst)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* test for IP in set (userspace: ipset -T set IP)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /*
-+ * Size of the data structure passed by when
-+ * adding/deletin/testing an entry.
-+ */
-+ u_int32_t reqsize;
-+
-+ /* Add IP into set (userspace: ipset -A set IP)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* Add IP into set (kernel: iptables ... -j SET set src|dst)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* remove IP from set (userspace: ipset -D set --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (kernel: iptables ... -j SET --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* new set creation - allocated type specific items
-+ */
-+ int (*create) (struct ip_set *set,
-+ const void *data, u_int32_t size);
-+
-+ /* retry the operation after successfully tweaking the set
-+ */
-+ int (*retry) (struct ip_set *set);
-+
-+ /* set destruction - free type specific items
-+ * There is no return value.
-+ * Can be called only when child sets are destroyed.
-+ */
-+ void (*destroy) (struct ip_set *set);
-+
-+ /* set flushing - reset all bits in the set, or something similar.
-+ * There is no return value.
-+ */
-+ void (*flush) (struct ip_set *set);
-+
-+ /* Listing: size needed for header
-+ */
-+ u_int32_t header_size;
-+
-+ /* Listing: Get the header
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_header_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_header) (const struct ip_set *set,
-+ void *data);
-+
-+ /* Listing: Get the size for the set members
-+ */
-+ int (*list_members_size) (const struct ip_set *set);
-+
-+ /* Listing: Get the set members
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_member_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_members) (const struct ip_set *set,
-+ void *data);
-+
-+ char typename[IP_SET_MAXNAMELEN];
-+ unsigned char features;
-+ int protocol_version;
-+
-+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */
-+ struct module *me;
-+};
-+
-+extern int ip_set_register_set_type(struct ip_set_type *set_type);
-+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-+
-+/* A generic ipset */
-+struct ip_set {
-+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */
-+ rwlock_t lock; /* lock for concurrency control */
-+ ip_set_id_t id; /* set id for swapping */
-+ ip_set_id_t binding; /* default binding for the set */
-+ atomic_t ref; /* in kernel and in hash references */
-+ struct ip_set_type *type; /* the set types */
-+ void *data; /* pooltype specific data */
-+};
-+
-+/* Structure to bind set elements to sets */
-+struct ip_set_hash {
-+ struct list_head list; /* list of clashing entries in hash */
-+ ip_set_ip_t ip; /* ip from set */
-+ ip_set_id_t id; /* set id */
-+ ip_set_id_t binding; /* set we bind the element to */
-+};
-+
-+/* register and unregister set references */
-+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index);
-+extern void ip_set_put_byindex(ip_set_id_t index);
-+extern ip_set_id_t ip_set_id(ip_set_id_t index);
-+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN],
-+ struct ip_set **set);
-+extern void __ip_set_put_byindex(ip_set_id_t index);
-+
-+/* API for iptables set match, and SET target */
-+extern int ip_set_addip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_delip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_testip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+
-+/* Macros to generate functions */
-+
-+#define STRUCT(pre, type) CONCAT2(pre, type)
-+#define CONCAT2(pre, type) struct pre##type
-+
-+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post)
-+#define CONCAT3(pre, mid, post) pre##mid##post
-+
-+#define UADT0(type, adt, args...) \
-+static int \
-+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\
-+ ip_set_ip_t *hash_ip) \
-+{ \
-+ const STRUCT(ip_set_req_,type) *req = data; \
-+ \
-+ return FNAME(type,_,adt)(set, hash_ip , ## args); \
-+}
-+
-+#define UADT(type, adt, args...) \
-+ UADT0(type, adt, req->ip , ## args)
-+
-+#define KADT(type, adt, getfn, args...) \
-+static int \
-+FNAME(type,_k,adt)(struct ip_set *set, \
-+ const struct sk_buff *skb, \
-+ ip_set_ip_t *hash_ip, \
-+ const u_int32_t *flags, \
-+ unsigned char index) \
-+{ \
-+ ip_set_ip_t ip = getfn(skb, flags[index]); \
-+ \
-+ KADT_CONDITION \
-+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \
-+}
-+
-+#define REGISTER_MODULE(type) \
-+static int __init ip_set_##type##_init(void) \
-+{ \
-+ init_max_page_size(); \
-+ return ip_set_register_set_type(&ip_set_##type); \
-+} \
-+ \
-+static void __exit ip_set_##type##_fini(void) \
-+{ \
-+ /* FIXME: possible race with ip_set_create() */ \
-+ ip_set_unregister_set_type(&ip_set_##type); \
-+} \
-+ \
-+module_init(ip_set_##type##_init); \
-+module_exit(ip_set_##type##_fini);
-+
-+/* Common functions */
-+
-+static inline ip_set_ip_t
-+ipaddr(const struct sk_buff *skb, u_int32_t flag)
-+{
-+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr);
-+}
-+
-+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i))
-+
-+#define pack_ip_port(map, ip, port) \
-+ (port + ((ip - ((map)->first_ip)) << 16))
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h
-@@ -0,0 +1,121 @@
-+#ifndef __IP_SET_BITMAPS_H
-+#define __IP_SET_BITMAPS_H
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define BITMAP_CREATE(type) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ int newbytes; \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ \
-+ if (req->from > req->to) { \
-+ DP("bad range"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type)); \
-+ return -ENOMEM; \
-+ } \
-+ map->first_ip = req->from; \
-+ map->last_ip = req->to; \
-+ \
-+ newbytes = __##type##_create(req, map); \
-+ if (newbytes < 0) { \
-+ kfree(map); \
-+ return newbytes; \
-+ } \
-+ \
-+ map->size = newbytes; \
-+ map->members = ip_set_malloc(newbytes); \
-+ if (!map->members) { \
-+ DP("out of memory for %i bytes", newbytes); \
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ memset(map->members, 0, newbytes); \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define BITMAP_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ ip_set_free(map->members, map->size); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define BITMAP_FLUSH(type) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ memset(map->members, 0, map->size); \
-+}
-+
-+#define BITMAP_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->from = map->first_ip; \
-+ header->to = map->last_ip; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define BITMAP_LIST_MEMBERS_SIZE(type) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return map->size; \
-+}
-+
-+#define BITMAP_LIST_MEMBERS(type) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ memcpy(data, map->members, map->size); \
-+}
-+
-+#define IP_SET_TYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+#endif /* __KERNEL */
-+
-+#endif /* __IP_SET_BITMAPS_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_compat.h
-@@ -0,0 +1,71 @@
-+#ifndef _IP_SET_COMPAT_H
-+#define _IP_SET_COMPAT_H
-+
-+#ifdef __KERNEL__
-+#include <linux/version.h>
-+
-+/* Arrgh */
-+#ifdef MODULE
-+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo)
-+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo)
-+#else
-+#define __MOD_INC(foo) 1
-+#define __MOD_DEC(foo)
-+#endif
-+
-+/* Backward compatibility */
-+#ifndef __nocast
-+#define __nocast
-+#endif
-+#ifndef __bitwise__
-+#define __bitwise__
-+#endif
-+
-+/* Compatibility glue code */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#include <linux/interrupt.h>
-+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED
-+#define try_module_get(x) __MOD_INC(x)
-+#define module_put(x) __MOD_DEC(x)
-+#define __clear_bit(nr, addr) clear_bit(nr, addr)
-+#define __set_bit(nr, addr) set_bit(nr, addr)
-+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr)
-+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr)
-+
-+typedef unsigned __bitwise__ gfp_t;
-+
-+static inline void *kzalloc(size_t size, gfp_t flags)
-+{
-+ void *data = kmalloc(size, flags);
-+
-+ if (data)
-+ memset(data, 0, size);
-+
-+ return data;
-+}
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-+#define __KMEM_CACHE_T__ kmem_cache_t
-+#else
-+#define __KMEM_CACHE_T__ struct kmem_cache
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
-+#define ip_hdr(skb) ((skb)->nh.iph)
-+#define skb_mac_header(skb) ((skb)->mac.raw)
-+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb))
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+#include <linux/netfilter.h>
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL, NULL)
-+#else
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL)
-+#endif
-+
-+
-+#endif /* __KERNEL__ */
-+#endif /* _IP_SET_COMPAT_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_getport.h
-@@ -0,0 +1,48 @@
-+#ifndef _IP_SET_GETPORT_H
-+#define _IP_SET_GETPORT_H
-+
-+#ifdef __KERNEL__
-+
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+/* We must handle non-linear skbs */
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+ struct iphdr *iph = ip_hdr(skb);
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr tcph;
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph.source : tcph.dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr udph;
-+
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph.source : udph.dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_GETPORT_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h
-@@ -0,0 +1,306 @@
-+#ifndef __IP_SET_HASHES_H
-+#define __IP_SET_HASHES_H
-+
-+#define initval_t uint32_t
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define HASH_RETRY0(type, dtype, cond) \
-+static int \
-+type##_retry(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data, *tmp; \
-+ dtype *elem; \
-+ void *members; \
-+ u_int32_t i, hashsize = map->hashsize; \
-+ int res; \
-+ \
-+ if (map->resize == 0) \
-+ return -ERANGE; \
-+ \
-+ again: \
-+ res = 0; \
-+ \
-+ /* Calculate new hash size */ \
-+ hashsize += (hashsize * map->resize)/100; \
-+ if (hashsize == map->hashsize) \
-+ hashsize++; \
-+ \
-+ ip_set_printk("rehashing of set %s triggered: " \
-+ "hashsize grows from %lu to %lu", \
-+ set->name, \
-+ (long unsigned)map->hashsize, \
-+ (long unsigned)hashsize); \
-+ \
-+ tmp = kmalloc(sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \
-+ if (!tmp) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\
-+ if (!tmp->members) { \
-+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\
-+ kfree(tmp); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->hashsize = hashsize; \
-+ tmp->elements = 0; \
-+ tmp->probes = map->probes; \
-+ tmp->resize = map->resize; \
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\
-+ __##type##_retry(tmp, map); \
-+ \
-+ write_lock_bh(&set->lock); \
-+ map = set->data; /* Play safe */ \
-+ for (i = 0; i < map->hashsize && res == 0; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ if (cond) \
-+ res = __##type##_add(tmp, elem); \
-+ } \
-+ if (res) { \
-+ /* Failure, try again */ \
-+ write_unlock_bh(&set->lock); \
-+ harray_free(tmp->members); \
-+ kfree(tmp); \
-+ goto again; \
-+ } \
-+ \
-+ /* Success at resizing! */ \
-+ members = map->members; \
-+ \
-+ map->hashsize = tmp->hashsize; \
-+ map->members = tmp->members; \
-+ write_unlock_bh(&set->lock); \
-+ \
-+ harray_free(members); \
-+ kfree(tmp); \
-+ \
-+ return 0; \
-+}
-+
-+#define HASH_RETRY(type, dtype) \
-+ HASH_RETRY0(type, dtype, *elem)
-+
-+#define HASH_RETRY2(type, dtype) \
-+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1)
-+
-+#define HASH_CREATE(type, dtype) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ uint16_t i; \
-+ \
-+ if (req->hashsize < 1) { \
-+ ip_set_printk("hashsize too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ if (req->probes < 1) { \
-+ ip_set_printk("probes too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ for (i = 0; i < req->probes; i++) \
-+ get_random_bytes(((initval_t *) map->initval)+i, 4); \
-+ map->elements = 0; \
-+ map->hashsize = req->hashsize; \
-+ map->probes = req->probes; \
-+ map->resize = req->resize; \
-+ if (__##type##_create(req, map)) { \
-+ kfree(map); \
-+ return -ENOEXEC; \
-+ } \
-+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\
-+ if (!map->members) { \
-+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define HASH_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ harray_free(map->members); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define HASH_FLUSH(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_FLUSH_CIDR(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ memset(map->cidr, 0, sizeof(map->cidr)); \
-+ memset(map->nets, 0, sizeof(map->nets)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->hashsize = map->hashsize; \
-+ header->probes = map->probes; \
-+ header->resize = map->resize; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return (map->hashsize * sizeof(dtype)); \
-+}
-+
-+#define HASH_LIST_MEMBERS(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ ((dtype *)data)[i] = *elem; \
-+ } \
-+}
-+
-+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \
-+ } \
-+}
-+
-+#define IP_SET_RTYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .retry = &type##_retry, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+
-+/* Helper functions */
-+static inline void
-+add_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ uint8_t next;
-+ int i;
-+
-+ for (i = 0; i < 30 && cidr[i]; i++) {
-+ if (cidr[i] < size) {
-+ next = cidr[i];
-+ cidr[i] = size;
-+ size = next;
-+ }
-+ }
-+ if (i < 30)
-+ cidr[i] = size;
-+}
-+
-+static inline void
-+del_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ int i;
-+
-+ for (i = 0; i < 29 && cidr[i]; i++) {
-+ if (cidr[i] == size)
-+ cidr[i] = size = cidr[i+1];
-+ }
-+ cidr[29] = 0;
-+}
-+#else
-+#include <arpa/inet.h>
-+#endif /* __KERNEL */
-+
-+#ifndef UINT16_MAX
-+#define UINT16_MAX 65535
-+#endif
-+
-+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
-+
-+static inline ip_set_ip_t
-+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr)
-+{
-+ ip_set_ip_t addr, *paddr = &addr;
-+ unsigned char n, t, *a;
-+
-+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
-+#ifdef __KERNEL__
-+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
-+#endif
-+ n = cidr / 8;
-+ t = cidr % 8;
-+ a = &((unsigned char *)paddr)[n];
-+ *a = *a /(1 << (8 - t)) + shifts[t];
-+#ifdef __KERNEL__
-+ DP("n: %u, t: %u, a: %u", n, t, *a);
-+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
-+ HIPQUAD(ip), cidr, NIPQUAD(addr));
-+#endif
-+
-+ return ntohl(addr);
-+}
-+
-+
-+#endif /* __IP_SET_HASHES_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h
-@@ -0,0 +1,30 @@
-+#ifndef __IP_SET_IPHASH_H
-+#define __IP_SET_IPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "iphash"
-+
-+struct ip_set_iphash {
-+ ip_set_ip_t *members; /* the iphash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t netmask; /* netmask */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_iphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_iphash {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_IPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h
-@@ -0,0 +1,57 @@
-+#ifndef __IP_SET_IPMAP_H
-+#define __IP_SET_IPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "ipmap"
-+
-+struct ip_set_ipmap {
-+ void *members; /* the ipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ ip_set_ip_t netmask; /* subnet netmask */
-+ ip_set_ip_t sizeid; /* size of set in IPs */
-+ ip_set_ip_t hosts; /* number of hosts in a subnet */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_ipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_ipmap {
-+ ip_set_ip_t ip;
-+};
-+
-+static inline unsigned int
-+mask_to_bits(ip_set_ip_t mask)
-+{
-+ unsigned int bits = 32;
-+ ip_set_ip_t maskaddr;
-+
-+ if (mask == 0xFFFFFFFF)
-+ return bits;
-+
-+ maskaddr = 0xFFFFFFFE;
-+ while (--bits > 0 && maskaddr != mask)
-+ maskaddr <<= 1;
-+
-+ return bits;
-+}
-+
-+static inline ip_set_ip_t
-+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
-+{
-+ ip_set_ip_t mask = 0xFFFFFFFE;
-+
-+ *bits = 32;
-+ while (--(*bits) > 0 && mask && (to & mask) != from)
-+ mask <<= 1;
-+
-+ return mask;
-+}
-+
-+#endif /* __IP_SET_IPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h
-@@ -0,0 +1,33 @@
-+#ifndef __IP_SET_IPPORTHASH_H
-+#define __IP_SET_IPPORTHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipporthash"
-+
-+struct ip_set_ipporthash {
-+ ip_set_ip_t *members; /* the ipporthash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipporthash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipporthash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_IPPORTHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPPORTIPHASH_H
-+#define __IP_SET_IPPORTIPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportiphash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportiphash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportiphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportiphash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+};
-+
-+#endif /* __IP_SET_IPPORTIPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h
-@@ -0,0 +1,42 @@
-+#ifndef __IP_SET_IPPORTNETHASH_H
-+#define __IP_SET_IPPORTNETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportnethash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportnethash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportnethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportnethash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_IPPORTNETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPTREE_H
-+#define __IP_SET_IPTREE_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptree"
-+
-+struct ip_set_iptreed {
-+ unsigned long expires[256]; /* x.x.x.ADDR */
-+};
-+
-+struct ip_set_iptreec {
-+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */
-+};
-+
-+struct ip_set_iptreeb {
-+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */
-+};
-+
-+struct ip_set_iptree {
-+ unsigned int timeout;
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ uint32_t elements; /* number of elements */
-+ struct timer_list gc;
-+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */
-+#endif
-+};
-+
-+struct ip_set_req_iptree_create {
-+ unsigned int timeout;
-+};
-+
-+struct ip_set_req_iptree {
-+ ip_set_ip_t ip;
-+ unsigned int timeout;
-+};
-+
-+#endif /* __IP_SET_IPTREE_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h
-@@ -0,0 +1,40 @@
-+#ifndef __IP_SET_IPTREEMAP_H
-+#define __IP_SET_IPTREEMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptreemap"
-+
-+#ifdef __KERNEL__
-+struct ip_set_iptreemap_d {
-+ unsigned char bitmap[32]; /* x.x.x.y */
-+};
-+
-+struct ip_set_iptreemap_c {
-+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */
-+};
-+
-+struct ip_set_iptreemap_b {
-+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */
-+ unsigned char dirty[32];
-+};
-+#endif
-+
-+struct ip_set_iptreemap {
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ struct timer_list gc;
-+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */
-+#endif
-+};
-+
-+struct ip_set_req_iptreemap_create {
-+ unsigned int gc_interval;
-+};
-+
-+struct ip_set_req_iptreemap {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t end;
-+};
-+
-+#endif /* __IP_SET_IPTREEMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h
-@@ -0,0 +1,157 @@
-+#ifndef _LINUX_JHASH_H
-+#define _LINUX_JHASH_H
-+
-+/* jhash.h: Jenkins hash support.
-+ *
-+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net)
-+ *
-+ * http://burtleburtle.net/bob/hash/
-+ *
-+ * These are the credits from Bob's sources:
-+ *
-+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain.
-+ *
-+ * These are functions for producing 32-bit hashes for hash table lookup.
-+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final()
-+ * are externally useful functions. Routines to test the hash are included
-+ * if SELF_TEST is defined. You can use this free for any purpose. It's in
-+ * the public domain. It has no warranty.
-+ *
-+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
-+ *
-+ * I've modified Bob's hash to be useful in the Linux kernel, and
-+ * any bugs present are my fault. Jozsef
-+ */
-+
-+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
-+
-+/* __jhash_mix - mix 3 32-bit values reversibly. */
-+#define __jhash_mix(a,b,c) \
-+{ \
-+ a -= c; a ^= __rot(c, 4); c += b; \
-+ b -= a; b ^= __rot(a, 6); a += c; \
-+ c -= b; c ^= __rot(b, 8); b += a; \
-+ a -= c; a ^= __rot(c,16); c += b; \
-+ b -= a; b ^= __rot(a,19); a += c; \
-+ c -= b; c ^= __rot(b, 4); b += a; \
-+}
-+
-+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */
-+#define __jhash_final(a,b,c) \
-+{ \
-+ c ^= b; c -= __rot(b,14); \
-+ a ^= c; a -= __rot(c,11); \
-+ b ^= a; b -= __rot(a,25); \
-+ c ^= b; c -= __rot(b,16); \
-+ a ^= c; a -= __rot(c,4); \
-+ b ^= a; b -= __rot(a,14); \
-+ c ^= b; c -= __rot(b,24); \
-+}
-+
-+/* The golden ration: an arbitrary value */
-+#define JHASH_GOLDEN_RATIO 0xdeadbeef
-+
-+/* The most generic version, hashes an arbitrary sequence
-+ * of bytes. No alignment or length assumptions are made about
-+ * the input key. The result depends on endianness.
-+ */
-+static inline u32 jhash(const void *key, u32 length, u32 initval)
-+{
-+ u32 a,b,c;
-+ const u8 *k = key;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + length + initval;
-+
-+ /* all but the last block: affect some 32 bits of (a,b,c) */
-+ while (length > 12) {
-+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24));
-+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24));
-+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24));
-+ __jhash_mix(a, b, c);
-+ length -= 12;
-+ k += 12;
-+ }
-+
-+ /* last block: affect all 32 bits of (c) */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 12: c += (u32)k[11]<<24;
-+ case 11: c += (u32)k[10]<<16;
-+ case 10: c += (u32)k[9]<<8;
-+ case 9 : c += k[8];
-+ case 8 : b += (u32)k[7]<<24;
-+ case 7 : b += (u32)k[6]<<16;
-+ case 6 : b += (u32)k[5]<<8;
-+ case 5 : b += k[4];
-+ case 4 : a += (u32)k[3]<<24;
-+ case 3 : a += (u32)k[2]<<16;
-+ case 2 : a += (u32)k[1]<<8;
-+ case 1 : a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0 :
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special optimized version that handles 1 or more of u32s.
-+ * The length parameter here is the number of u32s in the key.
-+ */
-+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
-+{
-+ u32 a, b, c;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval;
-+
-+ /* handle most of the key */
-+ while (length > 3) {
-+ a += k[0];
-+ b += k[1];
-+ c += k[2];
-+ __jhash_mix(a, b, c);
-+ length -= 3;
-+ k += 3;
-+ }
-+
-+ /* handle the last 3 u32's */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 3: c += k[2];
-+ case 2: b += k[1];
-+ case 1: a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0: /* case 0: nothing left to add */
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special ultra-optimized versions that knows they are hashing exactly
-+ * 3, 2 or 1 word(s).
-+ */
-+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
-+{
-+ a += JHASH_GOLDEN_RATIO + initval;
-+ b += JHASH_GOLDEN_RATIO + initval;
-+ c += JHASH_GOLDEN_RATIO + initval;
-+
-+ __jhash_final(a, b, c);
-+
-+ return c;
-+}
-+
-+static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
-+{
-+ return jhash_3words(0, a, b, initval);
-+}
-+
-+static inline u32 jhash_1word(u32 a, u32 initval)
-+{
-+ return jhash_3words(0, 0, a, initval);
-+}
-+
-+#endif /* _LINUX_JHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_MACIPMAP_H
-+#define __IP_SET_MACIPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "macipmap"
-+
-+/* general flags */
-+#define IPSET_MACIP_MATCHUNSET 1
-+
-+/* per ip flags */
-+#define IPSET_MACIP_ISSET 1
-+
-+struct ip_set_macipmap {
-+ void *members; /* the macipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t flags;
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_macipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap {
-+ ip_set_ip_t ip;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+struct ip_set_macip {
-+ unsigned short match;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+#endif /* __IP_SET_MACIPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h
-@@ -0,0 +1,153 @@
-+#ifndef _IP_SET_MALLOC_H
-+#define _IP_SET_MALLOC_H
-+
-+#ifdef __KERNEL__
-+#include <linux/vmalloc.h>
-+
-+static size_t max_malloc_size = 0, max_page_size = 0;
-+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */
-+
-+static inline int init_max_page_size(void)
-+{
-+/* Compatibility glues to support 2.4.36 */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#define __GFP_NOWARN 0
-+
-+ /* Guaranteed: slab.c */
-+ max_malloc_size = max_page_size = default_max_malloc_size;
-+#else
-+ size_t page_size = 0;
-+
-+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \
-+ page_size = x;
-+#include <linux/kmalloc_sizes.h>
-+#undef CACHE
-+ if (page_size) {
-+ if (max_malloc_size == 0)
-+ max_malloc_size = page_size;
-+
-+ max_page_size = page_size;
-+
-+ return 1;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+struct harray {
-+ size_t max_elements;
-+ void *arrays[0];
-+};
-+
-+static inline void *
-+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ struct harray *harray;
-+ size_t max_elements, size, i, j;
-+
-+ BUG_ON(max_page_size == 0);
-+
-+ if (typesize > max_page_size)
-+ return NULL;
-+
-+ max_elements = max_page_size/typesize;
-+ size = hashsize/max_elements;
-+ if (hashsize % max_elements)
-+ size++;
-+
-+ /* Last pointer signals end of arrays */
-+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *),
-+ flags);
-+
-+ if (!harray)
-+ return NULL;
-+
-+ for (i = 0; i < size - 1; i++) {
-+ harray->arrays[i] = kmalloc(max_elements * typesize, flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, max_elements * typesize);
-+ }
-+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize,
-+ flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize);
-+
-+ harray->max_elements = max_elements;
-+ harray->arrays[size] = NULL;
-+
-+ return (void *)harray;
-+
-+ undo:
-+ for (j = 0; j < i; j++) {
-+ kfree(harray->arrays[j]);
-+ }
-+ kfree(harray);
-+ return NULL;
-+}
-+
-+static inline void *
-+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ void *harray;
-+
-+ do {
-+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN);
-+ } while (harray == NULL && init_max_page_size());
-+
-+ return harray;
-+}
-+
-+static inline void harray_free(void *h)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i] != NULL; i++)
-+ kfree(harray->arrays[i]);
-+ kfree(harray);
-+}
-+
-+static inline void harray_flush(void *h, size_t hashsize, size_t typesize)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i+1] != NULL; i++)
-+ memset(harray->arrays[i], 0, harray->max_elements * typesize);
-+ memset(harray->arrays[i], 0,
-+ (hashsize - i * harray->max_elements) * typesize);
-+}
-+
-+#define HARRAY_ELEM(h, type, which) \
-+({ \
-+ struct harray *__h = (struct harray *)(h); \
-+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \
-+ + (which)%(__h)->max_elements); \
-+})
-+
-+/* General memory allocation and deallocation */
-+static inline void * ip_set_malloc(size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ return vmalloc(bytes);
-+ else
-+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN);
-+}
-+
-+static inline void ip_set_free(void * data, size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ vfree(data);
-+ else
-+ kfree(data);
-+}
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_MALLOC_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h
-@@ -0,0 +1,31 @@
-+#ifndef __IP_SET_NETHASH_H
-+#define __IP_SET_NETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "nethash"
-+
-+struct ip_set_nethash {
-+ ip_set_ip_t *members; /* the nethash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_nethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+};
-+
-+struct ip_set_req_nethash {
-+ ip_set_ip_t ip;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_NETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h
-@@ -0,0 +1,25 @@
-+#ifndef __IP_SET_PORTMAP_H
-+#define __IP_SET_PORTMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "portmap"
-+
-+struct ip_set_portmap {
-+ void *members; /* the portmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_portmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_portmap {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_PORTMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h
-@@ -0,0 +1,26 @@
-+#ifndef __IP_SET_SETLIST_H
-+#define __IP_SET_SETLIST_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "setlist"
-+
-+#define IP_SET_SETLIST_ADD_AFTER 0
-+#define IP_SET_SETLIST_ADD_BEFORE 1
-+
-+struct ip_set_setlist {
-+ uint8_t size;
-+ ip_set_id_t index[0];
-+};
-+
-+struct ip_set_req_setlist_create {
-+ uint8_t size;
-+};
-+
-+struct ip_set_req_setlist {
-+ char name[IP_SET_MAXNAMELEN];
-+ char ref[IP_SET_MAXNAMELEN];
-+ uint8_t before;
-+};
-+
-+#endif /* __IP_SET_SETLIST_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_set.h
-@@ -0,0 +1,21 @@
-+#ifndef _IPT_SET_H
-+#define _IPT_SET_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+struct ipt_set_info {
-+ ip_set_id_t index;
-+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-+};
-+
-+/* match info */
-+struct ipt_set_info_match {
-+ struct ipt_set_info match_set;
-+};
-+
-+struct ipt_set_info_target {
-+ struct ipt_set_info add_set;
-+ struct ipt_set_info del_set;
-+};
-+
-+#endif /*_IPT_SET_H*/
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set.c
-@@ -0,0 +1,2076 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module for IP set management */
-+
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+#include <linux/config.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/kmod.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/random.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <linux/capability.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-+#include <asm/semaphore.h>
-+#else
-+#include <linux/semaphore.h>
-+#endif
-+#include <linux/spinlock.h>
-+
-+#define ASSERT_READ_LOCK(x)
-+#define ASSERT_WRITE_LOCK(x)
-+#include <linux/netfilter.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+static struct list_head set_type_list; /* all registered sets */
-+static struct ip_set **ip_set_list; /* all individual sets */
-+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */
-+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */
-+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
-+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE;
-+static struct list_head *ip_set_hash; /* hash of bindings */
-+static unsigned int ip_set_hash_random; /* random seed */
-+
-+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0)
-+
-+/*
-+ * Sets are identified either by the index in ip_set_list or by id.
-+ * The id never changes and is used to find a key in the hash.
-+ * The index may change by swapping and used at all other places
-+ * (set/SET netfilter modules, binding value, etc.)
-+ *
-+ * Userspace requests are serialized by ip_set_mutex and sets can
-+ * be deleted only from userspace. Therefore ip_set_list locking
-+ * must obey the following rules:
-+ *
-+ * - kernel requests: read and write locking mandatory
-+ * - user requests: read locking optional, write locking mandatory
-+ */
-+
-+static inline void
-+__ip_set_get(ip_set_id_t index)
-+{
-+ atomic_inc(&ip_set_list[index]->ref);
-+}
-+
-+static inline void
-+__ip_set_put(ip_set_id_t index)
-+{
-+ atomic_dec(&ip_set_list[index]->ref);
-+}
-+
-+/*
-+ * Binding routines
-+ */
-+
-+static inline struct ip_set_hash *
-+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ struct ip_set_hash *set_hash;
-+
-+ list_for_each_entry(set_hash, &ip_set_hash[key], list)
-+ if (set_hash->id == id && set_hash->ip == ip)
-+ return set_hash;
-+
-+ return NULL;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ ASSERT_READ_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+
-+ set_hash = __ip_set_find(key, id, ip);
-+
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
-+}
-+
-+static inline void
-+__set_hash_del(struct ip_set_hash *set_hash)
-+{
-+ ASSERT_WRITE_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+
-+ __ip_set_put(set_hash->binding);
-+ list_del(&set_hash->list);
-+ kfree(set_hash);
-+}
-+
-+static int
-+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ if (set_hash != NULL)
-+ __set_hash_del(set_hash);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+static int
-+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+ int ret = 0;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ IP_SET_ASSERT(ip_set_list[binding]);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip), ip_set_list[binding]->name);
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ if (!set_hash) {
-+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC);
-+ if (!set_hash) {
-+ ret = -ENOMEM;
-+ goto unlock;
-+ }
-+ INIT_LIST_HEAD(&set_hash->list);
-+ set_hash->id = id;
-+ set_hash->ip = ip;
-+ list_add(&set_hash->list, &ip_set_hash[key]);
-+ } else {
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+ DP("overwrite binding: %s",
-+ ip_set_list[set_hash->binding]->name);
-+ __ip_set_put(set_hash->binding);
-+ }
-+ set_hash->binding = binding;
-+ __ip_set_get(set_hash->binding);
-+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)",
-+ key, id, ip_set_list[id]->name,
-+ HIPQUAD(ip), binding, ip_set_list[binding]->name);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+#define FOREACH_HASH_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash; \
-+ \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+#define FOREACH_HASH_RW_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash, *__n; \
-+ \
-+ ASSERT_WRITE_LOCK(&ip_set_lock); \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+/* Add, del and test set entries from kernel */
-+
-+#define follow_bindings(index, set, ip) \
-+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \
-+ || (index = (set)->binding) != IP_SET_INVALID_ID)
-+
-+int
-+ip_set_testip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip_kernel(set, skb, &ip, flags, i++);
-+ read_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while (res > 0
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+int
-+ip_set_addip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ retry:
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ if (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0)
-+ goto retry;
-+
-+ return res;
-+}
-+
-+int
-+ip_set_delip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return res;
-+}
-+
-+/* Register and deregister settype */
-+
-+static inline struct ip_set_type *
-+find_set_type(const char *name)
-+{
-+ struct ip_set_type *set_type;
-+
-+ list_for_each_entry(set_type, &set_type_list, list)
-+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1))
-+ return set_type;
-+ return NULL;
-+}
-+
-+int
-+ip_set_register_set_type(struct ip_set_type *set_type)
-+{
-+ int ret = 0;
-+
-+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
-+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
-+ set_type->typename,
-+ set_type->protocol_version,
-+ IP_SET_PROTOCOL_VERSION);
-+ return -EINVAL;
-+ }
-+
-+ write_lock_bh(&ip_set_lock);
-+ if (find_set_type(set_type->typename)) {
-+ /* Duplicate! */
-+ ip_set_printk("'%s' already registered!",
-+ set_type->typename);
-+ ret = -EINVAL;
-+ goto unlock;
-+ }
-+ if (!try_module_get(THIS_MODULE)) {
-+ ret = -EFAULT;
-+ goto unlock;
-+ }
-+ list_add(&set_type->list, &set_type_list);
-+ DP("'%s' registered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+void
-+ip_set_unregister_set_type(struct ip_set_type *set_type)
-+{
-+ write_lock_bh(&ip_set_lock);
-+ if (!find_set_type(set_type->typename)) {
-+ ip_set_printk("'%s' not registered?",
-+ set_type->typename);
-+ goto unlock;
-+ }
-+ list_del(&set_type->list);
-+ module_put(THIS_MODULE);
-+ DP("'%s' unregistered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+
-+}
-+
-+ip_set_id_t
-+__ip_set_get_byname(const char *name, struct ip_set **set)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ *set = ip_set_list[i];
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+void __ip_set_put_byindex(ip_set_id_t index)
-+{
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+}
-+
-+/*
-+ * Userspace routines
-+ */
-+
-+/*
-+ * Find set by name, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ down(&ip_set_app_mutex);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ break;
-+ }
-+ }
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find set by index, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+
-+ if (index >= ip_set_max)
-+ return IP_SET_INVALID_ID;
-+
-+ if (ip_set_list[index])
-+ __ip_set_get(index);
-+ else
-+ index = IP_SET_INVALID_ID;
-+
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find the set id belonging to the index.
-+ * We are protected by the mutex, so we do not need to use
-+ * ip_set_lock. There is no need to reference the sets either.
-+ */
-+ip_set_id_t
-+ip_set_id(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || !ip_set_list[index])
-+ return IP_SET_INVALID_ID;
-+
-+ return ip_set_list[index]->id;
-+}
-+
-+/*
-+ * If the given set pointer points to a valid set, decrement
-+ * reference count by 1. The caller shall not assume the index
-+ * to be valid, after calling this function.
-+ */
-+void ip_set_put_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+ up(&ip_set_app_mutex);
-+}
-+
-+/* Find a set by name or index */
-+static ip_set_id_t
-+ip_set_find_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ index = i;
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_byindex(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || ip_set_list[index] == NULL)
-+ index = IP_SET_INVALID_ID;
-+
-+ return index;
-+}
-+
-+/*
-+ * Add, del, test, bind and unbind
-+ */
-+
-+static inline int
-+__ip_set_testip(struct ip_set *set,
-+ const void *data,
-+ u_int32_t size,
-+ ip_set_ip_t *ip)
-+{
-+ int res;
-+
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip(set, data, size, ip);
-+ read_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+__ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ do {
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip(set, data, size, &ip);
-+ write_unlock_bh(&set->lock);
-+ } while (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ return __ip_set_addip(index,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt));
-+}
-+
-+static int
-+ip_set_delip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+ write_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+
-+ return (res > 0 ? -EEXIST : res);
-+}
-+
-+static int
-+ip_set_bindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of a set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets as binding values are referenced */
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ set->binding = binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = ip_set_hash_add(set->id, ip, binding);
-+
-+ return res;
-+}
-+
-+#define FOREACH_SET_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __i; \
-+ struct ip_set *__set; \
-+ \
-+ for (__i = 0; __i < ip_set_max; __i++) { \
-+ __set = ip_set_list[__i]; \
-+ if (__set != NULL) \
-+ fn(__set , ##args); \
-+ } \
-+})
-+
-+static inline void
-+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
-+{
-+ if (set_hash->id == id)
-+ __set_hash_del(set_hash);
-+}
-+
-+static inline void
-+__unbind_default(struct ip_set *set)
-+{
-+ if (set->binding != IP_SET_INVALID_ID) {
-+ /* Sets as binding values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static int
-+ip_set_unbindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ DP("");
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ DP("%u %s", index, req_bind->binding);
-+ if (index == IP_SET_INVALID_ID) {
-+ /* unbind :all: */
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of sets */
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_SET_DO(__unbind_default);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings of all sets*/
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+ DP("unreachable reached!");
-+ return -EINVAL;
-+ }
-+
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ ip_set_id_t binding = ip_set_find_byindex(set->binding);
-+
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets in hash values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings */
-+
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+
-+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
-+ if (res >= 0)
-+ res = ip_set_hash_del(set->id, ip);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testbind(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = (set->binding == binding) ? -EEXIST : 0;
-+
-+ return res;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = (ip_set_find_in_hash(set->id, ip) == binding)
-+ ? -EEXIST : 0;
-+
-+ return res;
-+}
-+
-+static struct ip_set_type *
-+find_set_type_rlock(const char *typename)
-+{
-+ struct ip_set_type *type;
-+
-+ read_lock_bh(&ip_set_lock);
-+ type = find_set_type(typename);
-+ if (type == NULL)
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return type;
-+}
-+
-+static int
-+find_free_id(const char *name,
-+ ip_set_id_t *index,
-+ ip_set_id_t *id)
-+{
-+ ip_set_id_t i;
-+
-+ *id = IP_SET_INVALID_ID;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL) {
-+ if (*id == IP_SET_INVALID_ID)
-+ *id = *index = i;
-+ } else if (SETNAME_EQ(name, ip_set_list[i]->name))
-+ /* Name clash */
-+ return -EEXIST;
-+ }
-+ if (*id == IP_SET_INVALID_ID)
-+ /* No free slot remained */
-+ return -ERANGE;
-+ /* Check that index is usable as id (swapping) */
-+ check:
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && ip_set_list[i]->id == *id) {
-+ *id = i;
-+ goto check;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * Create a set
-+ */
-+static int
-+ip_set_create(const char *name,
-+ const char *typename,
-+ ip_set_id_t restore,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ ip_set_id_t index = 0, id;
-+ int res = 0;
-+
-+ DP("setname: %s, typename: %s, id: %u", name, typename, restore);
-+
-+ /*
-+ * First, and without any locks, allocate and initialize
-+ * a normal base set structure.
-+ */
-+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
-+ if (!set)
-+ return -ENOMEM;
-+ rwlock_init(&set->lock);
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ set->binding = IP_SET_INVALID_ID;
-+ atomic_set(&set->ref, 0);
-+
-+ /*
-+ * Next, take the &ip_set_lock, check that we know the type,
-+ * and take a reference on the type, to make sure it
-+ * stays available while constructing our new set.
-+ *
-+ * After referencing the type, we drop the &ip_set_lock,
-+ * and let the new set construction run without locks.
-+ */
-+ set->type = find_set_type_rlock(typename);
-+ if (set->type == NULL) {
-+ /* Try loading the module */
-+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
-+ strcpy(modulename, "ip_set_");
-+ strcat(modulename, typename);
-+ DP("try to load %s", modulename);
-+ request_module(modulename);
-+ set->type = find_set_type_rlock(typename);
-+ }
-+ if (set->type == NULL) {
-+ ip_set_printk("no set type '%s', set '%s' not created",
-+ typename, name);
-+ res = -ENOENT;
-+ goto out;
-+ }
-+ if (!try_module_get(set->type->me)) {
-+ read_unlock_bh(&ip_set_lock);
-+ res = -EFAULT;
-+ goto out;
-+ }
-+ read_unlock_bh(&ip_set_lock);
-+
-+ /* Check request size */
-+ if (size != set->type->header_size) {
-+ ip_set_printk("data length wrong (want %lu, have %lu)",
-+ (long unsigned)set->type->header_size,
-+ (long unsigned)size);
-+ goto put_out;
-+ }
-+
-+ /*
-+ * Without holding any locks, create private part.
-+ */
-+ res = set->type->create(set, data, size);
-+ if (res != 0)
-+ goto put_out;
-+
-+ /* BTW, res==0 here. */
-+
-+ /*
-+ * Here, we have a valid, constructed set. &ip_set_lock again,
-+ * find free id/index and check that it is not already in
-+ * ip_set_list.
-+ */
-+ write_lock_bh(&ip_set_lock);
-+ if ((res = find_free_id(set->name, &index, &id)) != 0) {
-+ DP("no free id!");
-+ goto cleanup;
-+ }
-+
-+ /* Make sure restore gets the same index */
-+ if (restore != IP_SET_INVALID_ID && index != restore) {
-+ DP("Can't restore, sets are screwed up");
-+ res = -ERANGE;
-+ goto cleanup;
-+ }
-+
-+ /*
-+ * Finally! Add our shiny new set to the list, and be done.
-+ */
-+ DP("create: '%s' created with index %u, id %u!", set->name, index, id);
-+ set->id = id;
-+ ip_set_list[index] = set;
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+
-+ cleanup:
-+ write_unlock_bh(&ip_set_lock);
-+ set->type->destroy(set);
-+ put_out:
-+ module_put(set->type->me);
-+ out:
-+ kfree(set);
-+ return res;
-+}
-+
-+/*
-+ * Destroy a given existing set
-+ */
-+static void
-+ip_set_destroy_set(ip_set_id_t index)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+ DP("set: %s", set->name);
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ ip_set_list[index] = NULL;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ /* Must call it without holding any lock */
-+ set->type->destroy(set);
-+ module_put(set->type->me);
-+ kfree(set);
-+}
-+
-+/*
-+ * Destroy a set - or all sets
-+ * Sets must not be referenced/used.
-+ */
-+static int
-+ip_set_destroy(ip_set_id_t index)
-+{
-+ ip_set_id_t i;
-+
-+ /* ref modification always protected by the mutex */
-+ if (index != IP_SET_INVALID_ID) {
-+ if (atomic_read(&ip_set_list[index]->ref))
-+ return -EBUSY;
-+ ip_set_destroy_set(index);
-+ } else {
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && (atomic_read(&ip_set_list[i]->ref)))
-+ return -EBUSY;
-+ }
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ ip_set_destroy_set(i);
-+ }
-+ }
-+ return 0;
-+}
-+
-+static void
-+ip_set_flush_set(struct ip_set *set)
-+{
-+ DP("set: %s %u", set->name, set->id);
-+
-+ write_lock_bh(&set->lock);
-+ set->type->flush(set);
-+ write_unlock_bh(&set->lock);
-+}
-+
-+/*
-+ * Flush data in a set - or in all sets
-+ */
-+static int
-+ip_set_flush(ip_set_id_t index)
-+{
-+ if (index != IP_SET_INVALID_ID) {
-+ IP_SET_ASSERT(ip_set_list[index]);
-+ ip_set_flush_set(ip_set_list[index]);
-+ } else
-+ FOREACH_SET_DO(ip_set_flush_set);
-+
-+ return 0;
-+}
-+
-+/* Rename a set */
-+static int
-+ip_set_rename(ip_set_id_t index, const char *name)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_id_t i;
-+ int res = 0;
-+
-+ DP("set: %s to %s", set->name, name);
-+ write_lock_bh(&ip_set_lock);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ res = -EEXIST;
-+ goto unlock;
-+ }
-+ }
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+}
-+
-+/*
-+ * Swap two sets so that name/index points to the other.
-+ * References are also swapped.
-+ */
-+static int
-+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
-+{
-+ struct ip_set *from = ip_set_list[from_index];
-+ struct ip_set *to = ip_set_list[to_index];
-+ char from_name[IP_SET_MAXNAMELEN];
-+ u_int32_t from_ref;
-+
-+ DP("set: %s to %s", from->name, to->name);
-+ /* Features must not change.
-+ * Not an artifical restriction anymore, as we must prevent
-+ * possible loops created by swapping in setlist type of sets. */
-+ if (from->type->features != to->type->features)
-+ return -ENOEXEC;
-+
-+ /* No magic here: ref munging protected by the mutex */
-+ write_lock_bh(&ip_set_lock);
-+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
-+ from_ref = atomic_read(&from->ref);
-+
-+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
-+ atomic_set(&from->ref, atomic_read(&to->ref));
-+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
-+ atomic_set(&to->ref, from_ref);
-+
-+ ip_set_list[from_index] = to;
-+ ip_set_list[to_index] = from;
-+
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+/*
-+ * List set data
-+ */
-+
-+static inline void
-+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_list);
-+}
-+
-+static inline void
-+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_save);
-+}
-+
-+static inline void
-+__set_hash_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, void *data, int *used)
-+{
-+ if (set_hash->id == id) {
-+ struct ip_set_hash_list *hash_list = data + *used;
-+
-+ hash_list->ip = set_hash->ip;
-+ hash_list->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_list);
-+ }
-+}
-+
-+static int ip_set_list_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_list *set_list;
-+
-+ /* Pointer to our header */
-+ set_list = data + *used;
-+
-+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_list) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_list);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_list->header_size = set->type->header_size;
-+ if (*used + set_list->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_list->index = index;
-+ set_list->binding = set->binding;
-+ set_list->ref = atomic_read(&set->ref);
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_list->header_size;
-+
-+ /* Get and ensure set specific members size */
-+ set_list->members_size = set->type->list_members_size(set);
-+ if (*used + set_list->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_list->members_size;
-+ read_unlock_bh(&set->lock);
-+
-+ /* Bindings */
-+
-+ /* Get and ensure set specific bindings size */
-+ set_list->bindings_size = 0;
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &set_list->bindings_size);
-+ if (*used + set_list->bindings_size > len)
-+ goto not_enough_mem;
-+
-+ /* Fill in set spefific bindings data */
-+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
-+
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+/*
-+ * Save sets
-+ */
-+static int ip_set_save_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set;
-+ struct ip_set_save *set_save;
-+
-+ /* Pointer to our header */
-+ set_save = data + *used;
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_save);
-+
-+ set = ip_set_list[index];
-+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len,
-+ data, data + *used);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_save->header_size = set->type->header_size;
-+ if (*used + set_save->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_save->index = index;
-+ set_save->binding = set->binding;
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_save->header_size;
-+
-+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->header_size, data, data + *used);
-+ /* Get and ensure set specific members size */
-+ set_save->members_size = set->type->list_members_size(set);
-+ if (*used + set_save->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_save->members_size;
-+ read_unlock_bh(&set->lock);
-+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->members_size, data, data + *used);
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+static inline void
-+__set_hash_save_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id,
-+ void *data,
-+ int *used,
-+ int len,
-+ int *res)
-+{
-+ if (*res == 0
-+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
-+ struct ip_set_hash_save *hash_save = data + *used;
-+ /* Ensure bindings size */
-+ if (*used + sizeof(struct ip_set_hash_save) > len) {
-+ *res = -ENOMEM;
-+ return;
-+ }
-+ hash_save->id = set_hash->id;
-+ hash_save->ip = set_hash->ip;
-+ hash_save->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_save);
-+ }
-+}
-+
-+static int ip_set_save_bindings(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ int res = 0;
-+ struct ip_set_save *set_save;
-+
-+ DP("used %u, len %u", *used, len);
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ return -ENOMEM;
-+
-+ /* Marker */
-+ set_save = data + *used;
-+ set_save->index = IP_SET_INVALID_ID;
-+ set_save->header_size = 0;
-+ set_save->members_size = 0;
-+ *used += sizeof(struct ip_set_save);
-+
-+ DP("marker added used %u, len %u", *used, len);
-+ /* Fill in bindings data */
-+ if (index != IP_SET_INVALID_ID)
-+ /* Sets are identified by id in hash */
-+ index = ip_set_list[index]->id;
-+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
-+
-+ return res;
-+}
-+
-+/*
-+ * Restore sets
-+ */
-+static int ip_set_restore(void *data,
-+ int len)
-+{
-+ int res = 0;
-+ int line = 0, used = 0, members_size;
-+ struct ip_set *set;
-+ struct ip_set_hash_save *hash_save;
-+ struct ip_set_restore *set_restore;
-+ ip_set_id_t index;
-+
-+ /* Loop to restore sets */
-+ while (1) {
-+ line++;
-+
-+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len);
-+ /* Get and ensure header size */
-+ if (used + sizeof(struct ip_set_restore) > len)
-+ return line;
-+ set_restore = data + used;
-+ used += sizeof(struct ip_set_restore);
-+
-+ /* Ensure data size */
-+ if (used
-+ + set_restore->header_size
-+ + set_restore->members_size > len)
-+ return line;
-+
-+ /* Check marker */
-+ if (set_restore->index == IP_SET_INVALID_ID) {
-+ line--;
-+ goto bindings;
-+ }
-+
-+ /* Try to create the set */
-+ DP("restore %s %s", set_restore->name, set_restore->typename);
-+ res = ip_set_create(set_restore->name,
-+ set_restore->typename,
-+ set_restore->index,
-+ data + used,
-+ set_restore->header_size);
-+
-+ if (res != 0)
-+ return line;
-+ used += set_restore->header_size;
-+
-+ index = ip_set_find_byindex(set_restore->index);
-+ DP("index %u, restore_index %u", index, set_restore->index);
-+ if (index != set_restore->index)
-+ return line;
-+ /* Try to restore members data */
-+ set = ip_set_list[index];
-+ members_size = 0;
-+ DP("members_size %lu reqsize %lu",
-+ (unsigned long)set_restore->members_size,
-+ (unsigned long)set->type->reqsize);
-+ while (members_size + set->type->reqsize <=
-+ set_restore->members_size) {
-+ line++;
-+ DP("members: %d, line %d", members_size, line);
-+ res = __ip_set_addip(index,
-+ data + used + members_size,
-+ set->type->reqsize);
-+ if (!(res == 0 || res == -EEXIST))
-+ return line;
-+ members_size += set->type->reqsize;
-+ }
-+
-+ DP("members_size %lu %d",
-+ (unsigned long)set_restore->members_size, members_size);
-+ if (members_size != set_restore->members_size)
-+ return line++;
-+ used += set_restore->members_size;
-+ }
-+
-+ bindings:
-+ /* Loop to restore bindings */
-+ while (used < len) {
-+ line++;
-+
-+ DP("restore binding, line %u", line);
-+ /* Get and ensure size */
-+ if (used + sizeof(struct ip_set_hash_save) > len)
-+ return line;
-+ hash_save = data + used;
-+ used += sizeof(struct ip_set_hash_save);
-+
-+ /* hash_save->id is used to store the index */
-+ index = ip_set_find_byindex(hash_save->id);
-+ DP("restore binding index %u, id %u, %u -> %u",
-+ index, hash_save->id, hash_save->ip, hash_save->binding);
-+ if (index != hash_save->id)
-+ return line;
-+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) {
-+ DP("corrupt binding set index %u", hash_save->binding);
-+ return line;
-+ }
-+ set = ip_set_list[hash_save->id];
-+ /* Null valued IP means default binding */
-+ if (hash_save->ip)
-+ res = ip_set_hash_add(set->id,
-+ hash_save->ip,
-+ hash_save->binding);
-+ else {
-+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
-+ write_lock_bh(&ip_set_lock);
-+ set->binding = hash_save->binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+ DP("default binding: %u", set->binding);
-+ }
-+ if (res != 0)
-+ return line;
-+ }
-+ if (used != len)
-+ return line;
-+
-+ return 0;
-+}
-+
-+static int
-+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
-+{
-+ void *data;
-+ int res = 0; /* Assume OK */
-+ unsigned *op;
-+ struct ip_set_req_adt *req_adt;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ int (*adtfn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ struct fn_table {
-+ int (*fn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ } adtfn_table[] =
-+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
-+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
-+ };
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (len <= sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >%zu, got %u)",
-+ sizeof(unsigned), len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(len);
-+ if (!data) {
-+ DP("out of mem for %u bytes", len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *)data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_CREATE:{
-+ struct ip_set_req_create *req_create = data;
-+
-+ if (len < sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("short CREATE data (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+ res = ip_set_create(req_create->name,
-+ req_create->typename,
-+ IP_SET_INVALID_ID,
-+ data + sizeof(struct ip_set_req_create),
-+ len - sizeof(struct ip_set_req_create));
-+ goto done;
-+ }
-+ case IP_SET_OP_DESTROY:{
-+ struct ip_set_req_std *req_destroy = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid DESTROY data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) {
-+ /* Destroy all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_destroy->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+
-+ res = ip_set_destroy(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_FLUSH:{
-+ struct ip_set_req_std *req_flush = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid FLUSH data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) {
-+ /* Flush all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_flush->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = ip_set_flush(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_RENAME:{
-+ struct ip_set_req_create *req_rename = data;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid RENAME data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_rename->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_rename(index, req_rename->typename);
-+ goto done;
-+ }
-+ case IP_SET_OP_SWAP:{
-+ struct ip_set_req_create *req_swap = data;
-+ ip_set_id_t to_index;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid SWAP data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_swap->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ to_index = ip_set_find_byname(req_swap->typename);
-+ if (to_index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_swap(index, to_index);
-+ goto done;
-+ }
-+ default:
-+ break; /* Set identified by id */
-+ }
-+
-+ /* There we may have add/del/test/bind/unbind/test_bind operations */
-+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
-+ res = -EBADMSG;
-+ goto done;
-+ }
-+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
-+
-+ if (len < sizeof(struct ip_set_req_adt)) {
-+ ip_set_printk("short data in adt request (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_adt), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_adt = data;
-+
-+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
-+ if (!(*op == IP_SET_OP_UNBIND_SET
-+ && req_adt->index == IP_SET_INVALID_ID)) {
-+ index = ip_set_find_byindex(req_adt->index);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = adtfn(index, data, len);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static int
-+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
-+{
-+ int res = 0;
-+ unsigned *op;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ void *data;
-+ int copylen = *len;
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, *len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (*len < sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >=%zu, got %d)",
-+ sizeof(unsigned), *len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(*len);
-+ if (!data) {
-+ DP("out of mem for %d bytes", *len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, *len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *) data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_VERSION: {
-+ struct ip_set_req_version *req_version = data;
-+
-+ if (*len != sizeof(struct ip_set_req_version)) {
-+ ip_set_printk("invalid VERSION (want %zu, got %d)",
-+ sizeof(struct ip_set_req_version),
-+ *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_version->version = IP_SET_PROTOCOL_VERSION;
-+ res = copy_to_user(user, req_version,
-+ sizeof(struct ip_set_req_version));
-+ goto done;
-+ }
-+ case IP_SET_OP_GET_BYNAME: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ req_get->set.index = index;
-+ goto copy;
-+ }
-+ case IP_SET_OP_GET_BYINDEX: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byindex(req_get->set.index);
-+ strncpy(req_get->set.name,
-+ index == IP_SET_INVALID_ID ? ""
-+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN);
-+ goto copy;
-+ }
-+ case IP_SET_OP_ADT_GET: {
-+ struct ip_set_req_adt_get *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_adt_get)) {
-+ ip_set_printk("invalid ADT_GET (want %zu, got %d)",
-+ sizeof(struct ip_set_req_adt_get), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ if (index != IP_SET_INVALID_ID) {
-+ req_get->set.index = index;
-+ strncpy(req_get->typename,
-+ ip_set_list[index]->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ } else {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_MAX_SETS: {
-+ struct ip_set_req_max_sets *req_max_sets = data;
-+ ip_set_id_t i;
-+
-+ if (*len != sizeof(struct ip_set_req_max_sets)) {
-+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
-+ sizeof(struct ip_set_req_max_sets), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) {
-+ req_max_sets->set.index = IP_SET_INVALID_ID;
-+ } else {
-+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_max_sets->set.index =
-+ ip_set_find_byname(req_max_sets->set.name);
-+ if (req_max_sets->set.index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ req_max_sets->max_sets = ip_set_max;
-+ req_max_sets->sets = 0;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ req_max_sets->sets++;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST_SIZE:
-+ case IP_SET_OP_SAVE_SIZE: {
-+ struct ip_set_req_setnames *req_setnames = data;
-+ struct ip_set_name_list *name_list;
-+ struct ip_set *set;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)) {
-+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_setnames), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_setnames->size = 0;
-+ used = sizeof(struct ip_set_req_setnames);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL)
-+ continue;
-+ name_list = data + used;
-+ used += sizeof(struct ip_set_name_list);
-+ if (used > copylen) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ set = ip_set_list[i];
-+ /* Fill in index, name, etc. */
-+ name_list->index = i;
-+ name_list->id = set->id;
-+ strncpy(name_list->name,
-+ set->name,
-+ IP_SET_MAXNAMELEN - 1);
-+ strncpy(name_list->typename,
-+ set->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ DP("filled %s of type %s, index %u\n",
-+ name_list->name, name_list->typename,
-+ name_list->index);
-+ if (!(req_setnames->index == IP_SET_INVALID_ID
-+ || req_setnames->index == i))
-+ continue;
-+ /* Update size */
-+ switch (*op) {
-+ case IP_SET_OP_LIST_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_list)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ /* Sets are identified by id in the hash */
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ case IP_SET_OP_SAVE_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_save)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_save,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ default:
-+ break;
-+ }
-+ }
-+ if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST: {
-+ struct ip_set_req_list *req_list = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short LIST (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_list->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* List all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_list_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* List an individual set */
-+ res = ip_set_list_set(index, data, &used, *len);
-+ }
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_SAVE: {
-+ struct ip_set_req_list *req_save = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short SAVE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_save->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+
-+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0)
-+
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* Save all sets: ugly setlist type dependency */
-+ int setlist = 0;
-+ setlists:
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL
-+ && !(setlist ^ SETLIST(ip_set_list[i])))
-+ res = ip_set_save_set(i, data, &used, *len);
-+ }
-+ if (!setlist) {
-+ setlist = 1;
-+ goto setlists;
-+ }
-+ } else {
-+ /* Save an individual set */
-+ res = ip_set_save_set(index, data, &used, *len);
-+ }
-+ if (res == 0)
-+ res = ip_set_save_bindings(index, data, &used, *len);
-+
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_RESTORE: {
-+ struct ip_set_req_setnames *req_restore = data;
-+ int line;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)
-+ || *len != req_restore->size) {
-+ ip_set_printk("invalid RESTORE (want =%lu, got %d)",
-+ (long unsigned)req_restore->size, *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
-+ req_restore->size - sizeof(struct ip_set_req_setnames));
-+ DP("ip_set_restore: %d", line);
-+ if (line != 0) {
-+ res = -EAGAIN;
-+ req_restore->size = line;
-+ copylen = sizeof(struct ip_set_req_setnames);
-+ goto copy;
-+ }
-+ goto done;
-+ }
-+ default:
-+ res = -EBADMSG;
-+ goto done;
-+ } /* end of switch(op) */
-+
-+ copy:
-+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID
-+ && ip_set_list[index]
-+ ? ip_set_list[index]->name
-+ : ":all:", copylen);
-+ res = copy_to_user(user, data, copylen);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static struct nf_sockopt_ops so_set = {
-+ .pf = PF_INET,
-+ .set_optmin = SO_IP_SET,
-+ .set_optmax = SO_IP_SET + 1,
-+ .set = &ip_set_sockfn_set,
-+ .get_optmin = SO_IP_SET,
-+ .get_optmax = SO_IP_SET + 1,
-+ .get = &ip_set_sockfn_get,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+ .use = 0,
-+#else
-+ .owner = THIS_MODULE,
-+#endif
-+};
-+
-+static int max_sets, hash_size;
-+
-+module_param(max_sets, int, 0600);
-+MODULE_PARM_DESC(max_sets, "maximal number of sets");
-+module_param(hash_size, int, 0600);
-+MODULE_PARM_DESC(hash_size, "hash size for bindings");
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("module implementing core IP set support");
-+
-+static int __init ip_set_init(void)
-+{
-+ int res;
-+ ip_set_id_t i;
-+
-+ get_random_bytes(&ip_set_hash_random, 4);
-+ if (max_sets)
-+ ip_set_max = max_sets;
-+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
-+ if (!ip_set_list) {
-+ printk(KERN_ERR "Unable to create ip_set_list\n");
-+ return -ENOMEM;
-+ }
-+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
-+ if (hash_size)
-+ ip_set_bindings_hash_size = hash_size;
-+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
-+ if (!ip_set_hash) {
-+ printk(KERN_ERR "Unable to create ip_set_hash\n");
-+ vfree(ip_set_list);
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < ip_set_bindings_hash_size; i++)
-+ INIT_LIST_HEAD(&ip_set_hash[i]);
-+
-+ INIT_LIST_HEAD(&set_type_list);
-+
-+ res = nf_register_sockopt(&so_set);
-+ if (res != 0) {
-+ ip_set_printk("SO_SET registry failed: %d", res);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ return res;
-+ }
-+
-+ return 0;
-+}
-+
-+static void __exit ip_set_fini(void)
-+{
-+ /* There can't be any existing set or binding */
-+ nf_unregister_sockopt(&so_set);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ DP("these are the famous last words");
-+}
-+
-+EXPORT_SYMBOL(ip_set_register_set_type);
-+EXPORT_SYMBOL(ip_set_unregister_set_type);
-+
-+EXPORT_SYMBOL(ip_set_get_byname);
-+EXPORT_SYMBOL(ip_set_get_byindex);
-+EXPORT_SYMBOL(ip_set_put_byindex);
-+EXPORT_SYMBOL(ip_set_id);
-+EXPORT_SYMBOL(__ip_set_get_byname);
-+EXPORT_SYMBOL(__ip_set_put_byindex);
-+
-+EXPORT_SYMBOL(ip_set_addip_kernel);
-+EXPORT_SYMBOL(ip_set_delip_kernel);
-+EXPORT_SYMBOL(ip_set_testip_kernel);
-+
-+module_init(ip_set_init);
-+module_exit(ip_set_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iphash.c
-@@ -0,0 +1,166 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_iphash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iphash, test)
-+KADT(iphash, test, ipaddr)
-+
-+static inline int
-+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+
-+ if (!ip || map->elements >= limit)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+
-+ return __iphash_add(map, hash_ip);
-+}
-+
-+UADT(iphash, add)
-+KADT(iphash, add, ipaddr)
-+
-+static inline void
-+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map)
-+{
-+ tmp->netmask = map->netmask;
-+}
-+
-+HASH_RETRY(iphash, ip_set_ip_t)
-+
-+static inline int
-+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ id = iphash_id(set, hash_ip, ip);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(iphash, del)
-+KADT(iphash, del, ipaddr)
-+
-+static inline int
-+__iphash_create(const struct ip_set_req_iphash_create *req,
-+ struct ip_set_iphash *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(iphash, ip_set_ip_t)
-+HASH_DESTROY(iphash)
-+
-+HASH_FLUSH(iphash, ip_set_ip_t)
-+
-+static inline void
-+__iphash_list_header(const struct ip_set_iphash *map,
-+ struct ip_set_req_iphash_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+HASH_LIST_HEADER(iphash)
-+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(iphash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(iphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipmap.c
-@@ -0,0 +1,142 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the single bitmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
-+
-+static inline ip_set_ip_t
-+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
-+{
-+ return (ip - map->first_ip)/map->hosts;
-+}
-+
-+static inline int
-+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return !!test_bit(ip_to_id(map, *hash_ip), map->members);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(ipmap, test)
-+KADT(ipmap, test, ipaddr)
-+
-+static inline int
-+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, add)
-+KADT(ipmap, add, ipaddr)
-+
-+static inline int
-+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, del)
-+KADT(ipmap, del, ipaddr)
-+
-+static inline int
-+__ipmap_create(const struct ip_set_req_ipmap_create *req,
-+ struct ip_set_ipmap *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ if (req->netmask == 0xFFFFFFFF) {
-+ map->hosts = 1;
-+ map->sizeid = map->last_ip - map->first_ip + 1;
-+ } else {
-+ unsigned int mask_bits, netmask_bits;
-+ ip_set_ip_t mask;
-+
-+ map->first_ip &= map->netmask; /* Should we better bark? */
-+
-+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
-+ netmask_bits = mask_to_bits(map->netmask);
-+
-+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF))
-+ || netmask_bits <= mask_bits)
-+ return -ENOEXEC;
-+
-+ DP("mask_bits %u, netmask_bits %u",
-+ mask_bits, netmask_bits);
-+ map->hosts = 2 << (32 - netmask_bits - 1);
-+ map->sizeid = 2 << (netmask_bits - mask_bits - 1);
-+ }
-+ if (map->sizeid > MAX_RANGE + 1) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ map->sizeid, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid);
-+ return bitmap_bytes(0, map->sizeid - 1);
-+}
-+
-+BITMAP_CREATE(ipmap)
-+BITMAP_DESTROY(ipmap)
-+BITMAP_FLUSH(ipmap)
-+
-+static inline void
-+__ipmap_list_header(const struct ip_set_ipmap *map,
-+ struct ip_set_req_ipmap_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+BITMAP_LIST_HEADER(ipmap)
-+BITMAP_LIST_MEMBERS_SIZE(ipmap)
-+BITMAP_LIST_MEMBERS(ipmap)
-+
-+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipmap type of IP sets");
-+
-+REGISTER_MODULE(ipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipporthash.c
-@@ -0,0 +1,203 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipporthash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port; \
-+ \
-+ if (flags[index+1] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipporthash, test, req->port)
-+KADT(ipporthash, test, ipaddr, port)
-+
-+static inline int
-+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ return __ipporthash_add(map, hash_ip);
-+}
-+
-+UADT(ipporthash, add, req->port)
-+KADT(ipporthash, add, ipaddr, port)
-+
-+static inline void
-+__ipporthash_retry(struct ip_set_ipporthash *tmp,
-+ struct ip_set_ipporthash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY(ipporthash, ip_set_ip_t)
-+
-+static inline int
-+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ ip_set_ip_t id;
-+ ip_set_ip_t *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipporthash_id(set, hash_ip, ip, port);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipporthash, del, req->port)
-+KADT(ipporthash, del, ipaddr, port)
-+
-+static inline int
-+__ipporthash_create(const struct ip_set_req_ipporthash_create *req,
-+ struct ip_set_ipporthash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipporthash, ip_set_ip_t)
-+HASH_DESTROY(ipporthash)
-+HASH_FLUSH(ipporthash, ip_set_ip_t)
-+
-+static inline void
-+__ipporthash_list_header(const struct ip_set_ipporthash *map,
-+ struct ip_set_req_ipporthash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipporthash)
-+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipporthash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipporthash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c
-@@ -0,0 +1,216 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportiphash, test, req->port, req->ip1)
-+KADT(ipportiphash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportip_add(struct ip_set_ipportiphash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportiphash_add(struct ip_set_ipportiphash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportip_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ return __ipportip_add(map, *hash_ip, ip1);
-+}
-+
-+UADT(ipportiphash, add, req->port, req->ip1)
-+KADT(ipportiphash, add, ipaddr, port, ip1)
-+
-+static inline void
-+__ipportiphash_retry(struct ip_set_ipportiphash *tmp,
-+ struct ip_set_ipportiphash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY2(ipportiphash, struct ipportip)
-+
-+static inline int
-+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipportiphash_id(set, hash_ip, ip, port, ip1);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipportiphash, del, req->port, req->ip1)
-+KADT(ipportiphash, del, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req,
-+ struct ip_set_ipportiphash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportiphash, struct ipportip)
-+HASH_DESTROY(ipportiphash)
-+HASH_FLUSH(ipportiphash, struct ipportip)
-+
-+static inline void
-+__ipportiphash_list_header(const struct ip_set_ipportiphash *map,
-+ struct ip_set_req_ipportiphash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportiphash)
-+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportiphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportiphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c
-@@ -0,0 +1,304 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+net hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+static int
-+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_ipportnethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32
-+ ? ipportnethash_test(set, hash_ip, req->ip, req->port,
-+ req->ip1)
-+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port,
-+ req->ip1, req->cidr));
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+KADT(ipportnethash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportnet_add(struct ip_set_ipportnethash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportnethash_add(struct ip_set_ipportnethash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportnet_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ struct ipportip;
-+ int ret;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+ if (map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ ret =__ipportnet_add(map, *hash_ip, ip1);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_ipportnethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportnethash, add, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, add, ipaddr, port, ip1, cidr)
-+
-+static inline void
-+__ipportnethash_retry(struct ip_set_ipportnethash *tmp,
-+ struct ip_set_ipportnethash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY2(ipportnethash, struct ipportip)
-+
-+static inline int
-+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+
-+ return 0;
-+}
-+
-+UADT(ipportnethash, del, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, del, ipaddr, port, ip1, cidr)
-+
-+static inline int
-+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req,
-+ struct ip_set_ipportnethash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportnethash, struct ipportip)
-+HASH_DESTROY(ipportnethash)
-+HASH_FLUSH_CIDR(ipportnethash, struct ipportip);
-+
-+static inline void
-+__ipportnethash_list_header(const struct ip_set_ipportnethash *map,
-+ struct ip_set_req_ipportnethash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportnethash)
-+
-+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportnethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportnethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptree.c
-@@ -0,0 +1,466 @@
-+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the iptree type */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptree.h>
-+
-+static int limit = MAX_RANGE;
-+
-+/* Garbage collection interval in seconds: */
-+#define IPTREE_GC_TIME 5*60
-+/* Sleep so many milliseconds before trying again
-+ * to delete the gc timer at destroying/flushing a set */
-+#define IPTREE_DESTROY_SLEEP 100
-+
-+static __KMEM_CACHE_T__ *branch_cachep;
-+static __KMEM_CACHE_T__ *leaf_cachep;
-+
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[3]; \
-+ b = ((unsigned char *)addrp)[2]; \
-+ c = ((unsigned char *)addrp)[1]; \
-+ d = ((unsigned char *)addrp)[0]; \
-+} while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return 0; \
-+} while (0)
-+
-+static inline int
-+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
-+ TESTIP_WALK(map, a, btree);
-+ TESTIP_WALK(btree, b, ctree);
-+ TESTIP_WALK(ctree, c, dtree);
-+ DP("%lu %lu", dtree->expires[d], jiffies);
-+ return dtree->expires[d]
-+ && (!map->timeout
-+ || time_after(dtree->expires[d], jiffies));
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptree, test)
-+KADT(iptree, test, ipaddr)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \
-+ if ((map)->tree[elem]) { \
-+ DP("found %u", elem); \
-+ branch = (map)->tree[elem]; \
-+ } else { \
-+ branch = (type *) \
-+ kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (branch == NULL) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ DP("alloc %u", elem); \
-+ } \
-+} while (0)
-+
-+static inline int
-+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, unsigned int timeout)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ int ret = 0;
-+
-+ if (!ip || map->elements >= limit)
-+ /* We could call the garbage collector
-+ * but it's probably overkill */
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ ret = -EEXIST;
-+ if (map->timeout && timeout == 0)
-+ timeout = map->timeout;
-+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
-+ /* Lottery: I won! */
-+ if (dtree->expires[d] == 0)
-+ dtree->expires[d] = 1;
-+ DP("%u %lu", d, dtree->expires[d]);
-+ if (ret == 0)
-+ map->elements++;
-+ return ret;
-+}
-+
-+UADT(iptree, add, req->timeout)
-+KADT(iptree, add, ipaddr, 0)
-+
-+#define DELIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return -EEXIST; \
-+} while (0)
-+
-+static inline int
-+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DELIP_WALK(map, a, btree);
-+ DELIP_WALK(btree, b, ctree);
-+ DELIP_WALK(ctree, c, dtree);
-+
-+ if (dtree->expires[d]) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ return 0;
-+ }
-+ return -EEXIST;
-+}
-+
-+UADT(iptree, del)
-+KADT(iptree, del, ipaddr)
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) \
-+ continue; \
-+ branch = (map)->tree[i]
-+
-+#define LOOP_WALK_END }
-+
-+static void
-+ip_tree_gc(unsigned long ul_set)
-+{
-+ struct ip_set *set = (struct ip_set *) ul_set;
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned char i,j,k;
-+
-+ i = j = k = 0;
-+ DP("gc: %s", set->name);
-+ write_lock_bh(&set->lock);
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]) {
-+ DP("gc: %u %u %u %u: expires %lu jiffies %lu",
-+ a, b, c, d,
-+ dtree->expires[d], jiffies);
-+ if (map->timeout
-+ && time_before(dtree->expires[d], jiffies)) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ } else
-+ k = 1;
-+ }
-+ }
-+ if (k == 0) {
-+ DP("gc: %s: leaf %u %u %u empty",
-+ set->name, a, b, c);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ ctree->tree[c] = NULL;
-+ } else {
-+ DP("gc: %s: leaf %u %u %u not empty",
-+ set->name, a, b, c);
-+ j = 1;
-+ k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (j == 0) {
-+ DP("gc: %s: branch %u %u empty",
-+ set->name, a, b);
-+ kmem_cache_free(branch_cachep, ctree);
-+ btree->tree[b] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u %u not empty",
-+ set->name, a, b);
-+ i = 1;
-+ j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (i == 0) {
-+ DP("gc: %s: branch %u empty",
-+ set->name, a);
-+ kmem_cache_free(branch_cachep, btree);
-+ map->tree[a] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u not empty",
-+ set->name, a);
-+ i = j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* Even if there is no timeout for the entries,
-+ * we still have to call gc because delete
-+ * do not clean up empty branches */
-+ map->gc_interval = IPTREE_GC_TIME;
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = ip_tree_gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptree_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptree_create *req = data;
-+ struct ip_set_iptree *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptree_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %lu)",
-+ sizeof(struct ip_set_req_iptree_create),
-+ (unsigned long)size);
-+ return -EINVAL;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %zu bytes",
-+ sizeof(struct ip_set_iptree));
-+ return -ENOMEM;
-+ }
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = req->timeout;
-+ map->elements = 0;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptree *map)
-+{
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, ctree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, btree);
-+ LOOP_WALK_END;
-+ map->elements = 0;
-+}
-+
-+static void
-+iptree_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+iptree_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ unsigned int timeout = map->timeout;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = timeout;
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptree_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_req_iptree_create *header = data;
-+
-+ header->timeout = map->timeout;
-+}
-+
-+static int
-+iptree_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned int count = 0;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ count++;
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+
-+ DP("members %u", count);
-+ return (count * sizeof(struct ip_set_req_iptree));
-+}
-+
-+static void
-+iptree_list_members(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ size_t offset = 0;
-+ struct ip_set_req_iptree *entry;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
-+ entry = data + offset;
-+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ entry->timeout = !map->timeout ? 0
-+ : (dtree->expires[d] - jiffies)/HZ;
-+ offset += sizeof(struct ip_set_req_iptree);
-+ }
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+}
-+
-+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptree type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_iptree_init(void)
-+{
-+ int ret;
-+
-+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb));
-+ if (!branch_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed));
-+ if (!leaf_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
-+ ret = -ENOMEM;
-+ goto free_branch;
-+ }
-+ ret = ip_set_register_set_type(&ip_set_iptree);
-+ if (ret == 0)
-+ goto out;
-+
-+ kmem_cache_destroy(leaf_cachep);
-+ free_branch:
-+ kmem_cache_destroy(branch_cachep);
-+ out:
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptree_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iptree);
-+ kmem_cache_destroy(leaf_cachep);
-+ kmem_cache_destroy(branch_cachep);
-+}
-+
-+module_init(ip_set_iptree_init);
-+module_exit(ip_set_iptree_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptreemap.c
-@@ -0,0 +1,708 @@
-+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ */
-+
-+/* This modules implements the iptreemap ipset type. It uses bitmaps to
-+ * represent every single IPv4 address as a bit. The bitmaps are managed in a
-+ * tree structure, where the first three octets of an address are used as an
-+ * index to find the bitmap and the last octet is used as the bit number.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptreemap.h>
-+
-+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60)
-+#define IPTREEMAP_DESTROY_SLEEP (100)
-+
-+static __KMEM_CACHE_T__ *cachep_b;
-+static __KMEM_CACHE_T__ *cachep_c;
-+static __KMEM_CACHE_T__ *cachep_d;
-+
-+static struct ip_set_iptreemap_d *fullbitmap_d;
-+static struct ip_set_iptreemap_c *fullbitmap_c;
-+static struct ip_set_iptreemap_b *fullbitmap_b;
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a, b, c, d, addr) \
-+ do { \
-+ a = ((unsigned char *)addr)[3]; \
-+ b = ((unsigned char *)addr)[2]; \
-+ c = ((unsigned char *)addr)[1]; \
-+ d = ((unsigned char *)addr)[0]; \
-+ } while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) \
-+ return 0; \
-+ else if (branch == full) \
-+ return 1; \
-+ } while (0)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ } else if (branch == full) { \
-+ return -EEXIST; \
-+ } \
-+ } while (0)
-+
-+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch != full) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch) \
-+ free(branch); \
-+ (map)->tree[a] = full; \
-+ continue; \
-+ } else if (!branch) { \
-+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define ADDIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ return -EEXIST; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*full)); \
-+ (map)->tree[elem] = branch; \
-+ } \
-+ } while (0)
-+
-+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch != full) \
-+ free(branch); \
-+ (map)->tree[a] = NULL; \
-+ continue; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define DELIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue;
-+
-+#define LOOP_WALK_END() \
-+ }
-+
-+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \
-+ count = -256; \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue; \
-+ count++; \
-+ if (branch == full) { \
-+ count++; \
-+ continue; \
-+ }
-+
-+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \
-+ if (-256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = NULL; \
-+ } else if (256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = full; \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) { \
-+ if (inrange) { \
-+ count++; \
-+ inrange = 0; \
-+ } \
-+ continue; \
-+ } \
-+ branch = (map)->tree[i];
-+
-+#define LOOP_WALK_END_COUNT() \
-+ }
-+
-+#define GETVALUE1(a, a1, b1, r) \
-+ (a == a1 ? b1 : r)
-+
-+#define GETVALUE2(a, b, a1, b1, c1, r) \
-+ (a == a1 && b == b1 ? c1 : r)
-+
-+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \
-+ (a == a1 && b == b1 && c == c1 ? d1 : r)
-+
-+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE1(a, a1, b1, 0) == 0 \
-+ && GETVALUE1(a, a2, b2, 255) == 255 \
-+ && c1 == 0 \
-+ && c2 == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \
-+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \
-+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \
-+ )
-+
-+
-+static inline void
-+free_d(struct ip_set_iptreemap_d *map)
-+{
-+ kmem_cache_free(cachep_d, map);
-+}
-+
-+static inline void
-+free_c(struct ip_set_iptreemap_c *map)
-+{
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, dtree) {
-+ if (dtree != fullbitmap_d)
-+ free_d(dtree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_c, map);
-+}
-+
-+static inline void
-+free_b(struct ip_set_iptreemap_b *map)
-+{
-+ struct ip_set_iptreemap_c *ctree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, ctree) {
-+ if (ctree != fullbitmap_c)
-+ free_c(ctree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_b, map);
-+}
-+
-+static inline int
-+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ TESTIP_WALK(map, a, btree, fullbitmap_b);
-+ TESTIP_WALK(btree, b, ctree, fullbitmap_c);
-+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d);
-+
-+ return !!test_bit(d, (void *) dtree->bitmap);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptreemap, test)
-+KADT(iptreemap, test, ipaddr)
-+
-+static inline int
-+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d);
-+
-+ if (__test_and_set_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __addip_single(set, hash_ip, start);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) {
-+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) {
-+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __set_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end))
-+KADT(iptreemap, add, ipaddr, ip)
-+
-+static inline int
-+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags);
-+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags);
-+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags);
-+
-+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __delip_single(set, hash_ip, start, flags);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) {
-+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) {
-+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __clear_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL)
-+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC)
-+
-+/* Check the status of the bitmap
-+ * -1 == all bits cleared
-+ * 1 == all bits set
-+ * 0 == anything else
-+ */
-+static inline int
-+bitmap_status(struct ip_set_iptreemap_d *dtree)
-+{
-+ unsigned char first = dtree->bitmap[0];
-+ int a;
-+
-+ for (a = 1; a < 32; a++)
-+ if (dtree->bitmap[a] != first)
-+ return 0;
-+
-+ return (first == 0 ? -1 : (first == 255 ? 1 : 0));
-+}
-+
-+static void
-+gc(unsigned long addr)
-+{
-+ struct ip_set *set = (struct ip_set *) addr;
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c;
-+ int i, j, k;
-+
-+ write_lock_bh(&set->lock);
-+
-+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) {
-+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) {
-+ if (!__test_and_clear_bit(b, (void *) btree->dirty))
-+ continue;
-+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) {
-+ switch (bitmap_status(dtree)) {
-+ case -1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = NULL;
-+ k--;
-+ break;
-+ case 1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = fullbitmap_d;
-+ k++;
-+ break;
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k);
-+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j);
-+
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptreemap_create *req = data;
-+ struct ip_set_iptreemap *map;
-+
-+ map = kzalloc(sizeof(*map), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+
-+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptreemap *map)
-+{
-+ struct ip_set_iptreemap_b *btree;
-+ unsigned int a;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ if (btree != fullbitmap_b)
-+ free_b(btree);
-+ LOOP_WALK_END();
-+}
-+
-+static void
-+iptreemap_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void
-+iptreemap_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+
-+ memset(map, 0, sizeof(*map));
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptreemap_list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_req_iptreemap_create *header = data;
-+
-+ header->gc_interval = map->gc_interval;
-+}
-+
-+static int
-+iptreemap_list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0, count = 0;
-+
-+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ inrange = 1;
-+ } else if (inrange) {
-+ count++;
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+
-+ if (inrange)
-+ count++;
-+
-+ return (count * sizeof(struct ip_set_req_iptreemap));
-+}
-+
-+static inline u_int32_t
-+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_req_iptreemap *entry = data + offset;
-+
-+ entry->ip = start;
-+ entry->end = end;
-+
-+ return sizeof(*entry);
-+}
-+
-+static void
-+iptreemap_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0;
-+ size_t offset = 0;
-+ ip_set_ip_t start = 0, end = 0, ip;
-+
-+ LOOP_WALK_BEGIN(map, a, btree) {
-+ LOOP_WALK_BEGIN(btree, b, ctree) {
-+ LOOP_WALK_BEGIN(ctree, c, dtree) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ if (!inrange) {
-+ inrange = 1;
-+ start = ip;
-+ } else if (end < ip - 1) {
-+ offset += add_member(data, offset, start, end);
-+ start = ip;
-+ }
-+ end = ip;
-+ } else if (inrange) {
-+ offset += add_member(data, offset, start, end);
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+
-+ if (inrange)
-+ add_member(data, offset, start, end);
-+}
-+
-+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>");
-+MODULE_DESCRIPTION("iptreemap type of IP sets");
-+
-+static int __init ip_set_iptreemap_init(void)
-+{
-+ int ret = -ENOMEM;
-+ int a;
-+
-+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b",
-+ sizeof(struct ip_set_iptreemap_b));
-+ if (!cachep_b) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache");
-+ goto out;
-+ }
-+
-+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c",
-+ sizeof(struct ip_set_iptreemap_c));
-+ if (!cachep_c) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache");
-+ goto outb;
-+ }
-+
-+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d",
-+ sizeof(struct ip_set_iptreemap_d));
-+ if (!cachep_d) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache");
-+ goto outc;
-+ }
-+
-+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL);
-+ if (!fullbitmap_d)
-+ goto outd;
-+
-+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL);
-+ if (!fullbitmap_c)
-+ goto outbitmapd;
-+
-+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL);
-+ if (!fullbitmap_b)
-+ goto outbitmapc;
-+
-+ ret = ip_set_register_set_type(&ip_set_iptreemap);
-+ if (0 > ret)
-+ goto outbitmapb;
-+
-+ /* Now init our global bitmaps */
-+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap));
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_c->tree[a] = fullbitmap_d;
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_b->tree[a] = fullbitmap_c;
-+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty));
-+
-+ return 0;
-+
-+outbitmapb:
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+outbitmapc:
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+outbitmapd:
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+outd:
-+ kmem_cache_destroy(cachep_d);
-+outc:
-+ kmem_cache_destroy(cachep_c);
-+outb:
-+ kmem_cache_destroy(cachep_b);
-+out:
-+
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptreemap_fini(void)
-+{
-+ ip_set_unregister_set_type(&ip_set_iptreemap);
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+ kmem_cache_destroy(cachep_d);
-+ kmem_cache_destroy(cachep_c);
-+ kmem_cache_destroy(cachep_b);
-+}
-+
-+module_init(ip_set_iptreemap_init);
-+module_exit(ip_set_iptreemap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_macipmap.c
-@@ -0,0 +1,164 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the macipmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/if_ether.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
-+
-+static int
-+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ const struct ip_set_req_macipmap *req = data;
-+
-+ if (req->ip < map->first_ip || req->ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = req->ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));
-+ if (table[req->ip - map->first_ip].match) {
-+ return (memcmp(req->ethernet,
-+ &table[req->ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0);
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+static int
-+macipmap_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ ip_set_ip_t ip;
-+
-+ ip = ipaddr(skb, flags[index]);
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return 0;
-+
-+ *hash_ip = ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (table[ip - map->first_ip].match) {
-+ /* Is mac pointer valid?
-+ * If so, compare... */
-+ return (skb_mac_header(skb) >= skb->head
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data
-+ && (memcmp(eth_hdr(skb)->h_source,
-+ &table[ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0));
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+/* returns 0 on success */
-+static inline int
-+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, const unsigned char *ethernet)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
-+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET;
-+ return 0;
-+}
-+
-+#define KADT_CONDITION \
-+ if (!(skb_mac_header(skb) >= skb->head \
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\
-+ return -EINVAL;
-+
-+UADT(macipmap, add, req->ethernet)
-+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source)
-+
-+static inline int
-+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ table[ip - map->first_ip].match = 0;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return 0;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION
-+
-+UADT(macipmap, del)
-+KADT(macipmap, del, ipaddr)
-+
-+static inline int
-+__macipmap_create(const struct ip_set_req_macipmap_create *req,
-+ struct ip_set_macipmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->flags = req->flags;
-+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip);
-+}
-+
-+BITMAP_CREATE(macipmap)
-+BITMAP_DESTROY(macipmap)
-+BITMAP_FLUSH(macipmap)
-+
-+static inline void
-+__macipmap_list_header(const struct ip_set_macipmap *map,
-+ struct ip_set_req_macipmap_create *header)
-+{
-+ header->flags = map->flags;
-+}
-+
-+BITMAP_LIST_HEADER(macipmap)
-+BITMAP_LIST_MEMBERS_SIZE(macipmap)
-+BITMAP_LIST_MEMBERS(macipmap)
-+
-+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("macipmap type of IP sets");
-+
-+REGISTER_MODULE(macipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_nethash.c
-@@ -0,0 +1,225 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a cidr nethash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_nethash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+nethash_id_cidr(const struct ip_set_nethash *map,
-+ ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip,
-+ uint8_t cidr)
-+{
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ if (!*hash_ip)
-+ return MAX_RANGE;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+
-+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (nethash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+static int
-+nethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_nethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip)
-+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr));
-+}
-+
-+#define KADT_CONDITION
-+
-+KADT(nethash, test, ipaddr)
-+
-+static inline int
-+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ int ret;
-+
-+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ ret = __nethash_add(map, hash_ip);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_nethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31;
-+
-+UADT(nethash, add, req->cidr)
-+KADT(nethash, add, ipaddr, cidr)
-+
-+static inline void
-+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map)
-+{
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY(nethash, ip_set_ip_t)
-+
-+static inline int
-+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = nethash_id_cidr(map, hash_ip, ip, cidr);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+ return 0;
-+}
-+
-+UADT(nethash, del, req->cidr)
-+KADT(nethash, del, ipaddr, cidr)
-+
-+static inline int
-+__nethash_create(const struct ip_set_req_nethash_create *req,
-+ struct ip_set_nethash *map)
-+{
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(nethash, ip_set_ip_t)
-+HASH_DESTROY(nethash)
-+
-+HASH_FLUSH_CIDR(nethash, ip_set_ip_t)
-+
-+static inline void
-+__nethash_list_header(const struct ip_set_nethash *map,
-+ struct ip_set_req_nethash_create *header)
-+{
-+}
-+
-+HASH_LIST_HEADER(nethash)
-+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(nethash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("nethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(nethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_portmap.c
-@@ -0,0 +1,114 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a port set type as a bitmap */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_portmap.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static inline int
-+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port,
-+ ip_set_ip_t port)
-+{
-+ const struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_port = port;
-+ DP("set: %s, port:%u, %u", set->name, port, *hash_port);
-+ return !!test_bit(port - map->first_ip, map->members);
-+}
-+
-+#define KADT_CONDITION \
-+ if (ip == INVALID_PORT) \
-+ return 0;
-+
-+UADT(portmap, test)
-+KADT(portmap, test, get_port)
-+
-+static inline int
-+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (test_and_set_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, add)
-+KADT(portmap, add, get_port)
-+
-+static inline int
-+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, del)
-+KADT(portmap, del, get_port)
-+
-+static inline int
-+__portmap_create(const struct ip_set_req_portmap_create *req,
-+ struct ip_set_portmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ return bitmap_bytes(req->from, req->to);
-+}
-+
-+BITMAP_CREATE(portmap)
-+BITMAP_DESTROY(portmap)
-+BITMAP_FLUSH(portmap)
-+
-+static inline void
-+__portmap_list_header(const struct ip_set_portmap *map,
-+ struct ip_set_req_portmap_create *header)
-+{
-+}
-+
-+BITMAP_LIST_HEADER(portmap)
-+BITMAP_LIST_MEMBERS_SIZE(portmap)
-+BITMAP_LIST_MEMBERS(portmap)
-+
-+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("portmap type of IP sets");
-+
-+REGISTER_MODULE(portmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_setlist.c
-@@ -0,0 +1,330 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the setlist type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_setlist.h>
-+
-+/*
-+ * before ==> index, ref
-+ * after ==> ref, index
-+ */
-+
-+static inline int
-+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ return i < map->size && map->index[i] == index;
-+}
-+
-+static int
-+setlist_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = 0;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return 0;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return 0;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before && map->index[i] == index) {
-+ res = next_index_eq(map, i + 1, ref);
-+ break;
-+ } else if (!req->before) {
-+ if ((ref == IP_SET_INVALID_ID
-+ && map->index[i] == index)
-+ || (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index))) {
-+ res = 1;
-+ break;
-+ }
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = 0;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res == 0; i++)
-+ res = ip_set_testip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ ip_set_id_t tmp;
-+ int j;
-+
-+ DP("i: %u, last %u\n", i, map->index[map->size - 1]);
-+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID)
-+ return -ERANGE;
-+
-+ for (j = i; j < map->size
-+ && index != IP_SET_INVALID_ID; j++) {
-+ tmp = map->index[j];
-+ map->index[j] = index;
-+ index = tmp;
-+ }
-+ return 0;
-+}
-+
-+static int
-+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -ERANGE;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ /* "Loop detection" */
-+ if (strcmp(s->type->typename, "setlist") == 0)
-+ goto finish;
-+
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID) {
-+ res = -EEXIST;
-+ goto finish;
-+ }
-+ }
-+ for (i = 0; i < map->size; i++) {
-+ if (map->index[i] != ref)
-+ continue;
-+ if (req->before)
-+ res = insert_setlist(map, i, index);
-+ else
-+ res = insert_setlist(map,
-+ ref == IP_SET_INVALID_ID ? i : i + 1,
-+ index);
-+ break;
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+ /* In case of success, we keep the reference to the set */
-+finish:
-+ if (res != 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kadd(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_addip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+unshift_setlist(struct ip_set_setlist *map, int i)
-+{
-+ int j;
-+
-+ for (j = i; j < map->size - 1; j++)
-+ map->index[j] = map->index[j+1];
-+ map->index[map->size-1] = IP_SET_INVALID_ID;
-+ return 0;
-+}
-+
-+static int
-+setlist_udel(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -EEXIST;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before) {
-+ if (map->index[i] == index
-+ && next_index_eq(map, i + 1, ref)) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (ref == IP_SET_INVALID_ID) {
-+ if (map->index[i] == index) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index)) {
-+ res = unshift_setlist(map, i + 1);
-+ break;
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ /* In case of success, release the reference to the set */
-+ if (res == 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kdel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_delip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static int
-+setlist_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ struct ip_set_setlist *map;
-+ const struct ip_set_req_setlist_create *req = data;
-+ int i;
-+
-+ map = kmalloc(sizeof(struct ip_set_setlist) +
-+ req->size * sizeof(ip_set_id_t), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+ map->size = req->size;
-+ for (i = 0; i < map->size; i++)
-+ map->index[i] = IP_SET_INVALID_ID;
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void
-+setlist_destroy(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++)
-+ __ip_set_put_byindex(map->index[i]);
-+
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+setlist_flush(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ __ip_set_put_byindex(map->index[i]);
-+ map->index[i] = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static void
-+setlist_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ struct ip_set_req_setlist_create *header = data;
-+
-+ header->size = map->size;
-+}
-+
-+static int
-+setlist_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+
-+ return map->size * sizeof(ip_set_id_t);
-+}
-+
-+static void
-+setlist_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size; i++)
-+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]);
-+}
-+
-+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("setlist type of IP sets");
-+
-+REGISTER_MODULE(setlist)
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_set.c
-@@ -0,0 +1,238 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module to match an IP set. */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_match ipt_register_match
-+#define xt_unregister_match ipt_unregister_match
-+#define xt_match ipt_match
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static inline int
-+match_set(const struct ipt_set_info *info,
-+ const struct sk_buff *skb,
-+ int inv)
-+{
-+ if (ip_set_testip_kernel(info->index, skb, info->flags))
-+ inv = !inv;
-+ return inv;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ const void *hdr,
-+ u_int16_t datalen,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ bool *hotdrop)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct xt_match_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_match *info = matchinfo;
-+#else
-+ const struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+ return match_set(&info->match_set,
-+ skb,
-+ info->match_set.flags[0] & IPSET_MATCH_INV);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_ip *ip,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_mtchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return 0;
-+ }
-+#endif
-+
-+ index = ip_set_get_byindex(info->match_set.index);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("Cannot find set indentified by id %u to match",
-+ info->match_set.index);
-+ return 0; /* error */
-+ }
-+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_mtdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return;
-+ }
-+#endif
-+ ip_set_put_byindex(info->match_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .match = &match,
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .family = AF_INET,
-+ .match = &match,
-+ .matchsize = sizeof(struct ipt_set_info_match),
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set match module");
-+
-+static int __init ipt_ipset_init(void)
-+{
-+ return xt_register_match(&set_match);
-+}
-+
-+static void __exit ipt_ipset_fini(void)
-+{
-+ xt_unregister_match(&set_match);
-+}
-+
-+module_init(ipt_ipset_init);
-+module_exit(ipt_ipset_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_SET.c
-@@ -0,0 +1,242 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* ipt_SET.c - netfilter target to manipulate IP sets */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#include <linux/netfilter_ipv4.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_target ipt_register_target
-+#define xt_unregister_target ipt_unregister_target
-+#define xt_target ipt_target
-+#define XT_CONTINUE IPT_CONTINUE
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static unsigned int
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+target(struct sk_buff **pskb,
-+ unsigned int hooknum,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+target(struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+target(struct sk_buff *skb,
-+ const struct xt_target_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+ struct sk_buff *skb = *pskb;
-+#endif
-+
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_addip_kernel(info->add_set.index,
-+ skb,
-+ info->add_set.flags);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_delip_kernel(info->del_set.index,
-+ skb,
-+ info->del_set.flags);
-+
-+ return XT_CONTINUE;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_entry *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_tgchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targinfosize != IPT_ALIGN(sizeof(*info))) {
-+ DP("bad target info size %u", targinfosize);
-+ return 0;
-+ }
-+#endif
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->add_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find add_set index %u as target",
-+ info->add_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+
-+ if (info->del_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->del_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find del_set index %u as target",
-+ info->del_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0
-+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_tgdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targetinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) {
-+ ip_set_printk("invalid targetsize %d", targetsize);
-+ return;
-+ }
-+#endif
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->add_set.index);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->del_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .target = target,
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .family = AF_INET,
-+ .target = target,
-+ .targetsize = sizeof(struct ipt_set_info_target),
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set target module");
-+
-+static int __init ipt_SET_init(void)
-+{
-+ return xt_register_target(&SET_target);
-+}
-+
-+static void __exit ipt_SET_fini(void)
-+{
-+ xt_unregister_target(&SET_target);
-+}
-+
-+module_init(ipt_SET_init);
-+module_exit(ipt_SET_fini);
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -406,5 +406,146 @@ config IP_NF_ARP_MANGLE
- Allows altering the ARP packet payload: source and destination
- hardware and network addresses.
-
-+config IP_NF_SET
-+ tristate "IP set support"
-+ depends on INET && NETFILTER
-+ help
-+ This option adds IP set support to the kernel.
-+ In order to define and use sets, you need the userspace utility
-+ ipset(8).
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MAX
-+ int "Maximum number of IP sets"
-+ default 256
-+ range 2 65534
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the maximum number
-+ of IP sets for the kernel.
-+
-+ The value can be overriden by the 'max_sets' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_HASHSIZE
-+ int "Hash size for bindings of IP sets"
-+ default 1024
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the hash size for
-+ bindings of IP sets.
-+
-+ The value can be overriden by the 'hash_size' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_IPMAP
-+ tristate "ipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MACIPMAP
-+ tristate "macipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the macipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_PORTMAP
-+ tristate "portmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the portmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPHASH
-+ tristate "iphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_NETHASH
-+ tristate "nethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the nethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTHASH
-+ tristate "ipporthash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipporthash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTIPHASH
-+ tristate "ipportiphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportiphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTNETHASH
-+ tristate "ipportnethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportnethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREE
-+ tristate "iptree set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptree set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREEMAP
-+ tristate "iptreemap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptreemap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_SETLIST
-+ tristate "setlist set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the setlist set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_MATCH_SET
-+ tristate "set match support"
-+ depends on IP_NF_SET
-+ help
-+ Set matching matches against given IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_TARGET_SET
-+ tristate "SET target support"
-+ depends on IP_NF_SET
-+ help
-+ The SET target makes possible to add/delete entries
-+ in IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+
- endmenu
-
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -50,6 +50,7 @@ obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
- obj-$(CONFIG_IP_NF_MATCH_RECENT) += ipt_recent.o
- obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl.o
-+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
-
- # targets
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
-@@ -61,6 +62,21 @@ obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += i
- obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
- obj-$(CONFIG_IP_NF_TARGET_TTL) += ipt_TTL.o
- obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
-+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
-+
-+# sets
-+obj-$(CONFIG_IP_NF_SET) += ip_set.o
-+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
-+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
-+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
-+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
-+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o
-+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
-+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o
-+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o
-
- # generic ARP tables
- obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o
+++ /dev/null
---- a/include/linux/netfilter_ipv4/Kbuild
-+++ b/include/linux/netfilter_ipv4/Kbuild
-@@ -45,3 +45,20 @@ header-y += ipt_ttl.h
-
- unifdef-y += ip_queue.h
- unifdef-y += ip_tables.h
-+
-+unifdef-y += ip_set.h
-+header-y += ip_set_iphash.h
-+unifdef-y += ip_set_bitmaps.h
-+unifdef-y += ip_set_getport.h
-+unifdef-y += ip_set_hashes.h
-+header-y += ip_set_ipmap.h
-+header-y += ip_set_ipporthash.h
-+header-y += ip_set_ipportiphash.h
-+header-y += ip_set_ipportnethash.h
-+unifdef-y += ip_set_iptree.h
-+unifdef-y += ip_set_iptreemap.h
-+header-y += ip_set_jhash.h
-+header-y += ip_set_macipmap.h
-+header-y += ip_set_nethash.h
-+header-y += ip_set_portmap.h
-+header-y += ip_set_setlist.h
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set.h
-@@ -0,0 +1,574 @@
-+#ifndef _IP_SET_H
-+#define _IP_SET_H
-+
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#if 0
-+#define IP_SET_DEBUG
-+#endif
-+
-+/*
-+ * A sockopt of such quality has hardly ever been seen before on the open
-+ * market! This little beauty, hardly ever used: above 64, so it's
-+ * traditionally used for firewalling, not touched (even once!) by the
-+ * 2.0, 2.2 and 2.4 kernels!
-+ *
-+ * Comes with its own certificate of authenticity, valid anywhere in the
-+ * Free world!
-+ *
-+ * Rusty, 19.4.2000
-+ */
-+#define SO_IP_SET 83
-+
-+/*
-+ * Heavily modify by Joakim Axelsson 08.03.2002
-+ * - Made it more modulebased
-+ *
-+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
-+ * - bindings added
-+ * - in order to "deal with" backward compatibility, renamed to ipset
-+ */
-+
-+/*
-+ * Used so that the kernel module and ipset-binary can match their versions
-+ */
-+#define IP_SET_PROTOCOL_VERSION 3
-+
-+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-+
-+/* Lets work with our own typedef for representing an IP address.
-+ * We hope to make the code more portable, possibly to IPv6...
-+ *
-+ * The representation works in HOST byte order, because most set types
-+ * will perform arithmetic operations and compare operations.
-+ *
-+ * For now the type is an uint32_t.
-+ *
-+ * Make sure to ONLY use the functions when translating and parsing
-+ * in order to keep the host byte order and make it more portable:
-+ * parse_ip()
-+ * parse_mask()
-+ * parse_ipandmask()
-+ * ip_tostring()
-+ * (Joakim: where are they???)
-+ */
-+
-+typedef uint32_t ip_set_ip_t;
-+
-+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
-+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
-+ */
-+typedef uint16_t ip_set_id_t;
-+
-+#define IP_SET_INVALID_ID 65535
-+
-+/* How deep we follow bindings */
-+#define IP_SET_MAX_BINDINGS 6
-+
-+/*
-+ * Option flags for kernel operations (ipt_set_info)
-+ */
-+#define IPSET_SRC 0x01 /* Source match/add */
-+#define IPSET_DST 0x02 /* Destination match/add */
-+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-+
-+/*
-+ * Set features
-+ */
-+#define IPSET_TYPE_IP 0x01 /* IP address type of set */
-+#define IPSET_TYPE_PORT 0x02 /* Port type of set */
-+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */
-+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */
-+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */
-+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */
-+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */
-+
-+/* Reserved keywords */
-+#define IPSET_TOKEN_DEFAULT ":default:"
-+#define IPSET_TOKEN_ALL ":all:"
-+
-+/* SO_IP_SET operation constants, and their request struct types.
-+ *
-+ * Operation ids:
-+ * 0-99: commands with version checking
-+ * 100-199: add/del/test/bind/unbind
-+ * 200-299: list, save, restore
-+ */
-+
-+/* Single shot operations:
-+ * version, create, destroy, flush, rename and swap
-+ *
-+ * Sets are identified by name.
-+ */
-+
-+#define IP_SET_REQ_STD \
-+ unsigned op; \
-+ unsigned version; \
-+ char name[IP_SET_MAXNAMELEN]
-+
-+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-+struct ip_set_req_create {
-+ IP_SET_REQ_STD;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-+struct ip_set_req_std {
-+ IP_SET_REQ_STD;
-+};
-+
-+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-+/* Uses ip_set_req_std */
-+
-+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-+/* Uses ip_set_req_create */
-+
-+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-+/* Uses ip_set_req_create */
-+
-+union ip_set_name_index {
-+ char name[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+};
-+
-+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-+struct ip_set_req_get_set {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+};
-+
-+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-+/* Uses ip_set_req_get_set */
-+
-+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-+struct ip_set_req_version {
-+ unsigned op;
-+ unsigned version;
-+};
-+
-+/* Double shots operations:
-+ * add, del, test, bind and unbind.
-+ *
-+ * First we query the kernel to get the index and type of the target set,
-+ * then issue the command. Validity of IP is checked in kernel in order
-+ * to minimalize sockopt operations.
-+ */
-+
-+/* Get minimal set data for add/del/test/bind/unbind IP */
-+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-+struct ip_set_req_adt_get {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_REQ_BYINDEX \
-+ unsigned op; \
-+ ip_set_id_t index;
-+
-+struct ip_set_req_adt {
-+ IP_SET_REQ_BYINDEX;
-+};
-+
-+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+struct ip_set_req_bind {
-+ IP_SET_REQ_BYINDEX;
-+ char binding[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-+/* Uses ip_set_req_bind, with type speficic addage
-+ * index = 0 means unbinding for all sets */
-+
-+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+
-+/* Multiple shots operations: list, save, restore.
-+ *
-+ * - check kernel version and query the max number of sets
-+ * - get the basic information on all sets
-+ * and size required for the next step
-+ * - get actual set data: header, data, bindings
-+ */
-+
-+/* Get max_sets and the index of a queried set
-+ */
-+#define IP_SET_OP_MAX_SETS 0x00000020
-+struct ip_set_req_max_sets {
-+ unsigned op;
-+ unsigned version;
-+ ip_set_id_t max_sets; /* max_sets */
-+ ip_set_id_t sets; /* real number of sets */
-+ union ip_set_name_index set; /* index of set if name used */
-+};
-+
-+/* Get the id and name of the sets plus size for next step */
-+#define IP_SET_OP_LIST_SIZE 0x00000201
-+#define IP_SET_OP_SAVE_SIZE 0x00000202
-+struct ip_set_req_setnames {
-+ unsigned op;
-+ ip_set_id_t index; /* set to list/save */
-+ u_int32_t size; /* size to get setdata/bindings */
-+ /* followed by sets number of struct ip_set_name_list */
-+};
-+
-+struct ip_set_name_list {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ ip_set_id_t id;
-+};
-+
-+/* The actual list operation */
-+#define IP_SET_OP_LIST 0x00000203
-+struct ip_set_req_list {
-+ IP_SET_REQ_BYINDEX;
-+ /* sets number of struct ip_set_list in reply */
-+};
-+
-+struct ip_set_list {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t ref;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+ u_int32_t bindings_size;/* Set bindings data of bindings_size */
-+};
-+
-+struct ip_set_hash_list {
-+ ip_set_ip_t ip;
-+ ip_set_id_t binding;
-+};
-+
-+/* The save operation */
-+#define IP_SET_OP_SAVE 0x00000204
-+/* Uses ip_set_req_list, in the reply replaced by
-+ * sets number of struct ip_set_save plus a marker
-+ * ip_set_save followed by ip_set_hash_save structures.
-+ */
-+struct ip_set_save {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+/* At restoring, ip == 0 means default binding for the given set: */
-+struct ip_set_hash_save {
-+ ip_set_ip_t ip;
-+ ip_set_id_t id;
-+ ip_set_id_t binding;
-+};
-+
-+/* The restore operation */
-+#define IP_SET_OP_RESTORE 0x00000205
-+/* Uses ip_set_req_setnames followed by ip_set_restore structures
-+ * plus a marker ip_set_restore, followed by ip_set_hash_save
-+ * structures.
-+ */
-+struct ip_set_restore {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ u_int32_t header_size; /* Create data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-+{
-+ return 4 * ((((b - a + 8) / 8) + 3) / 4);
-+}
-+
-+/* General limit for the elements in a set */
-+#define MAX_RANGE 0x0000FFFF
-+
-+#ifdef __KERNEL__
-+#include <linux/netfilter_ipv4/ip_set_compat.h>
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+
-+#define ip_set_printk(format, args...) \
-+ do { \
-+ printk("%s: %s: ", __FILE__, __FUNCTION__); \
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+
-+#if defined(IP_SET_DEBUG)
-+#define DP(format, args...) \
-+ do { \
-+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+#define IP_SET_ASSERT(x) \
-+ do { \
-+ if (!(x)) \
-+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ } while (0)
-+#else
-+#define DP(format, args...)
-+#define IP_SET_ASSERT(x)
-+#endif
-+
-+struct ip_set;
-+
-+/*
-+ * The ip_set_type definition - one per set type, e.g. "ipmap".
-+ *
-+ * Each individual set has a pointer, set->type, going to one
-+ * of these structures. Function pointers inside the structure implement
-+ * the real behaviour of the sets.
-+ *
-+ * If not mentioned differently, the implementation behind the function
-+ * pointers of a set_type, is expected to return 0 if ok, and a negative
-+ * errno (e.g. -EINVAL) on error.
-+ */
-+struct ip_set_type {
-+ struct list_head list; /* next in list of set types */
-+
-+ /* test for IP in set (kernel: iptables -m set src|dst)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* test for IP in set (userspace: ipset -T set IP)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /*
-+ * Size of the data structure passed by when
-+ * adding/deletin/testing an entry.
-+ */
-+ u_int32_t reqsize;
-+
-+ /* Add IP into set (userspace: ipset -A set IP)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* Add IP into set (kernel: iptables ... -j SET set src|dst)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* remove IP from set (userspace: ipset -D set --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (kernel: iptables ... -j SET --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* new set creation - allocated type specific items
-+ */
-+ int (*create) (struct ip_set *set,
-+ const void *data, u_int32_t size);
-+
-+ /* retry the operation after successfully tweaking the set
-+ */
-+ int (*retry) (struct ip_set *set);
-+
-+ /* set destruction - free type specific items
-+ * There is no return value.
-+ * Can be called only when child sets are destroyed.
-+ */
-+ void (*destroy) (struct ip_set *set);
-+
-+ /* set flushing - reset all bits in the set, or something similar.
-+ * There is no return value.
-+ */
-+ void (*flush) (struct ip_set *set);
-+
-+ /* Listing: size needed for header
-+ */
-+ u_int32_t header_size;
-+
-+ /* Listing: Get the header
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_header_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_header) (const struct ip_set *set,
-+ void *data);
-+
-+ /* Listing: Get the size for the set members
-+ */
-+ int (*list_members_size) (const struct ip_set *set);
-+
-+ /* Listing: Get the set members
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_member_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_members) (const struct ip_set *set,
-+ void *data);
-+
-+ char typename[IP_SET_MAXNAMELEN];
-+ unsigned char features;
-+ int protocol_version;
-+
-+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */
-+ struct module *me;
-+};
-+
-+extern int ip_set_register_set_type(struct ip_set_type *set_type);
-+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-+
-+/* A generic ipset */
-+struct ip_set {
-+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */
-+ rwlock_t lock; /* lock for concurrency control */
-+ ip_set_id_t id; /* set id for swapping */
-+ ip_set_id_t binding; /* default binding for the set */
-+ atomic_t ref; /* in kernel and in hash references */
-+ struct ip_set_type *type; /* the set types */
-+ void *data; /* pooltype specific data */
-+};
-+
-+/* Structure to bind set elements to sets */
-+struct ip_set_hash {
-+ struct list_head list; /* list of clashing entries in hash */
-+ ip_set_ip_t ip; /* ip from set */
-+ ip_set_id_t id; /* set id */
-+ ip_set_id_t binding; /* set we bind the element to */
-+};
-+
-+/* register and unregister set references */
-+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index);
-+extern void ip_set_put_byindex(ip_set_id_t index);
-+extern ip_set_id_t ip_set_id(ip_set_id_t index);
-+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN],
-+ struct ip_set **set);
-+extern void __ip_set_put_byindex(ip_set_id_t index);
-+
-+/* API for iptables set match, and SET target */
-+extern int ip_set_addip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_delip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_testip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+
-+/* Macros to generate functions */
-+
-+#define STRUCT(pre, type) CONCAT2(pre, type)
-+#define CONCAT2(pre, type) struct pre##type
-+
-+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post)
-+#define CONCAT3(pre, mid, post) pre##mid##post
-+
-+#define UADT0(type, adt, args...) \
-+static int \
-+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\
-+ ip_set_ip_t *hash_ip) \
-+{ \
-+ const STRUCT(ip_set_req_,type) *req = data; \
-+ \
-+ return FNAME(type,_,adt)(set, hash_ip , ## args); \
-+}
-+
-+#define UADT(type, adt, args...) \
-+ UADT0(type, adt, req->ip , ## args)
-+
-+#define KADT(type, adt, getfn, args...) \
-+static int \
-+FNAME(type,_k,adt)(struct ip_set *set, \
-+ const struct sk_buff *skb, \
-+ ip_set_ip_t *hash_ip, \
-+ const u_int32_t *flags, \
-+ unsigned char index) \
-+{ \
-+ ip_set_ip_t ip = getfn(skb, flags[index]); \
-+ \
-+ KADT_CONDITION \
-+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \
-+}
-+
-+#define REGISTER_MODULE(type) \
-+static int __init ip_set_##type##_init(void) \
-+{ \
-+ init_max_page_size(); \
-+ return ip_set_register_set_type(&ip_set_##type); \
-+} \
-+ \
-+static void __exit ip_set_##type##_fini(void) \
-+{ \
-+ /* FIXME: possible race with ip_set_create() */ \
-+ ip_set_unregister_set_type(&ip_set_##type); \
-+} \
-+ \
-+module_init(ip_set_##type##_init); \
-+module_exit(ip_set_##type##_fini);
-+
-+/* Common functions */
-+
-+static inline ip_set_ip_t
-+ipaddr(const struct sk_buff *skb, u_int32_t flag)
-+{
-+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr);
-+}
-+
-+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i))
-+
-+#define pack_ip_port(map, ip, port) \
-+ (port + ((ip - ((map)->first_ip)) << 16))
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h
-@@ -0,0 +1,121 @@
-+#ifndef __IP_SET_BITMAPS_H
-+#define __IP_SET_BITMAPS_H
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define BITMAP_CREATE(type) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ int newbytes; \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ \
-+ if (req->from > req->to) { \
-+ DP("bad range"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type)); \
-+ return -ENOMEM; \
-+ } \
-+ map->first_ip = req->from; \
-+ map->last_ip = req->to; \
-+ \
-+ newbytes = __##type##_create(req, map); \
-+ if (newbytes < 0) { \
-+ kfree(map); \
-+ return newbytes; \
-+ } \
-+ \
-+ map->size = newbytes; \
-+ map->members = ip_set_malloc(newbytes); \
-+ if (!map->members) { \
-+ DP("out of memory for %i bytes", newbytes); \
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ memset(map->members, 0, newbytes); \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define BITMAP_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ ip_set_free(map->members, map->size); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define BITMAP_FLUSH(type) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ memset(map->members, 0, map->size); \
-+}
-+
-+#define BITMAP_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->from = map->first_ip; \
-+ header->to = map->last_ip; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define BITMAP_LIST_MEMBERS_SIZE(type) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return map->size; \
-+}
-+
-+#define BITMAP_LIST_MEMBERS(type) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ memcpy(data, map->members, map->size); \
-+}
-+
-+#define IP_SET_TYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+#endif /* __KERNEL */
-+
-+#endif /* __IP_SET_BITMAPS_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_compat.h
-@@ -0,0 +1,71 @@
-+#ifndef _IP_SET_COMPAT_H
-+#define _IP_SET_COMPAT_H
-+
-+#ifdef __KERNEL__
-+#include <linux/version.h>
-+
-+/* Arrgh */
-+#ifdef MODULE
-+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo)
-+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo)
-+#else
-+#define __MOD_INC(foo) 1
-+#define __MOD_DEC(foo)
-+#endif
-+
-+/* Backward compatibility */
-+#ifndef __nocast
-+#define __nocast
-+#endif
-+#ifndef __bitwise__
-+#define __bitwise__
-+#endif
-+
-+/* Compatibility glue code */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#include <linux/interrupt.h>
-+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED
-+#define try_module_get(x) __MOD_INC(x)
-+#define module_put(x) __MOD_DEC(x)
-+#define __clear_bit(nr, addr) clear_bit(nr, addr)
-+#define __set_bit(nr, addr) set_bit(nr, addr)
-+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr)
-+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr)
-+
-+typedef unsigned __bitwise__ gfp_t;
-+
-+static inline void *kzalloc(size_t size, gfp_t flags)
-+{
-+ void *data = kmalloc(size, flags);
-+
-+ if (data)
-+ memset(data, 0, size);
-+
-+ return data;
-+}
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-+#define __KMEM_CACHE_T__ kmem_cache_t
-+#else
-+#define __KMEM_CACHE_T__ struct kmem_cache
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
-+#define ip_hdr(skb) ((skb)->nh.iph)
-+#define skb_mac_header(skb) ((skb)->mac.raw)
-+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb))
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+#include <linux/netfilter.h>
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL, NULL)
-+#else
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL)
-+#endif
-+
-+
-+#endif /* __KERNEL__ */
-+#endif /* _IP_SET_COMPAT_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_getport.h
-@@ -0,0 +1,48 @@
-+#ifndef _IP_SET_GETPORT_H
-+#define _IP_SET_GETPORT_H
-+
-+#ifdef __KERNEL__
-+
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+/* We must handle non-linear skbs */
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+ struct iphdr *iph = ip_hdr(skb);
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr tcph;
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph.source : tcph.dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr udph;
-+
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph.source : udph.dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_GETPORT_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h
-@@ -0,0 +1,306 @@
-+#ifndef __IP_SET_HASHES_H
-+#define __IP_SET_HASHES_H
-+
-+#define initval_t uint32_t
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define HASH_RETRY0(type, dtype, cond) \
-+static int \
-+type##_retry(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data, *tmp; \
-+ dtype *elem; \
-+ void *members; \
-+ u_int32_t i, hashsize = map->hashsize; \
-+ int res; \
-+ \
-+ if (map->resize == 0) \
-+ return -ERANGE; \
-+ \
-+ again: \
-+ res = 0; \
-+ \
-+ /* Calculate new hash size */ \
-+ hashsize += (hashsize * map->resize)/100; \
-+ if (hashsize == map->hashsize) \
-+ hashsize++; \
-+ \
-+ ip_set_printk("rehashing of set %s triggered: " \
-+ "hashsize grows from %lu to %lu", \
-+ set->name, \
-+ (long unsigned)map->hashsize, \
-+ (long unsigned)hashsize); \
-+ \
-+ tmp = kmalloc(sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \
-+ if (!tmp) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\
-+ if (!tmp->members) { \
-+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\
-+ kfree(tmp); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->hashsize = hashsize; \
-+ tmp->elements = 0; \
-+ tmp->probes = map->probes; \
-+ tmp->resize = map->resize; \
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\
-+ __##type##_retry(tmp, map); \
-+ \
-+ write_lock_bh(&set->lock); \
-+ map = set->data; /* Play safe */ \
-+ for (i = 0; i < map->hashsize && res == 0; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ if (cond) \
-+ res = __##type##_add(tmp, elem); \
-+ } \
-+ if (res) { \
-+ /* Failure, try again */ \
-+ write_unlock_bh(&set->lock); \
-+ harray_free(tmp->members); \
-+ kfree(tmp); \
-+ goto again; \
-+ } \
-+ \
-+ /* Success at resizing! */ \
-+ members = map->members; \
-+ \
-+ map->hashsize = tmp->hashsize; \
-+ map->members = tmp->members; \
-+ write_unlock_bh(&set->lock); \
-+ \
-+ harray_free(members); \
-+ kfree(tmp); \
-+ \
-+ return 0; \
-+}
-+
-+#define HASH_RETRY(type, dtype) \
-+ HASH_RETRY0(type, dtype, *elem)
-+
-+#define HASH_RETRY2(type, dtype) \
-+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1)
-+
-+#define HASH_CREATE(type, dtype) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ uint16_t i; \
-+ \
-+ if (req->hashsize < 1) { \
-+ ip_set_printk("hashsize too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ if (req->probes < 1) { \
-+ ip_set_printk("probes too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ for (i = 0; i < req->probes; i++) \
-+ get_random_bytes(((initval_t *) map->initval)+i, 4); \
-+ map->elements = 0; \
-+ map->hashsize = req->hashsize; \
-+ map->probes = req->probes; \
-+ map->resize = req->resize; \
-+ if (__##type##_create(req, map)) { \
-+ kfree(map); \
-+ return -ENOEXEC; \
-+ } \
-+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\
-+ if (!map->members) { \
-+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define HASH_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ harray_free(map->members); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define HASH_FLUSH(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_FLUSH_CIDR(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ memset(map->cidr, 0, sizeof(map->cidr)); \
-+ memset(map->nets, 0, sizeof(map->nets)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->hashsize = map->hashsize; \
-+ header->probes = map->probes; \
-+ header->resize = map->resize; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return (map->hashsize * sizeof(dtype)); \
-+}
-+
-+#define HASH_LIST_MEMBERS(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ ((dtype *)data)[i] = *elem; \
-+ } \
-+}
-+
-+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \
-+ } \
-+}
-+
-+#define IP_SET_RTYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .retry = &type##_retry, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+
-+/* Helper functions */
-+static inline void
-+add_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ uint8_t next;
-+ int i;
-+
-+ for (i = 0; i < 30 && cidr[i]; i++) {
-+ if (cidr[i] < size) {
-+ next = cidr[i];
-+ cidr[i] = size;
-+ size = next;
-+ }
-+ }
-+ if (i < 30)
-+ cidr[i] = size;
-+}
-+
-+static inline void
-+del_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ int i;
-+
-+ for (i = 0; i < 29 && cidr[i]; i++) {
-+ if (cidr[i] == size)
-+ cidr[i] = size = cidr[i+1];
-+ }
-+ cidr[29] = 0;
-+}
-+#else
-+#include <arpa/inet.h>
-+#endif /* __KERNEL */
-+
-+#ifndef UINT16_MAX
-+#define UINT16_MAX 65535
-+#endif
-+
-+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
-+
-+static inline ip_set_ip_t
-+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr)
-+{
-+ ip_set_ip_t addr, *paddr = &addr;
-+ unsigned char n, t, *a;
-+
-+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
-+#ifdef __KERNEL__
-+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
-+#endif
-+ n = cidr / 8;
-+ t = cidr % 8;
-+ a = &((unsigned char *)paddr)[n];
-+ *a = *a /(1 << (8 - t)) + shifts[t];
-+#ifdef __KERNEL__
-+ DP("n: %u, t: %u, a: %u", n, t, *a);
-+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
-+ HIPQUAD(ip), cidr, NIPQUAD(addr));
-+#endif
-+
-+ return ntohl(addr);
-+}
-+
-+
-+#endif /* __IP_SET_HASHES_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h
-@@ -0,0 +1,30 @@
-+#ifndef __IP_SET_IPHASH_H
-+#define __IP_SET_IPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "iphash"
-+
-+struct ip_set_iphash {
-+ ip_set_ip_t *members; /* the iphash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t netmask; /* netmask */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_iphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_iphash {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_IPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h
-@@ -0,0 +1,57 @@
-+#ifndef __IP_SET_IPMAP_H
-+#define __IP_SET_IPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "ipmap"
-+
-+struct ip_set_ipmap {
-+ void *members; /* the ipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ ip_set_ip_t netmask; /* subnet netmask */
-+ ip_set_ip_t sizeid; /* size of set in IPs */
-+ ip_set_ip_t hosts; /* number of hosts in a subnet */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_ipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_ipmap {
-+ ip_set_ip_t ip;
-+};
-+
-+static inline unsigned int
-+mask_to_bits(ip_set_ip_t mask)
-+{
-+ unsigned int bits = 32;
-+ ip_set_ip_t maskaddr;
-+
-+ if (mask == 0xFFFFFFFF)
-+ return bits;
-+
-+ maskaddr = 0xFFFFFFFE;
-+ while (--bits > 0 && maskaddr != mask)
-+ maskaddr <<= 1;
-+
-+ return bits;
-+}
-+
-+static inline ip_set_ip_t
-+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
-+{
-+ ip_set_ip_t mask = 0xFFFFFFFE;
-+
-+ *bits = 32;
-+ while (--(*bits) > 0 && mask && (to & mask) != from)
-+ mask <<= 1;
-+
-+ return mask;
-+}
-+
-+#endif /* __IP_SET_IPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h
-@@ -0,0 +1,33 @@
-+#ifndef __IP_SET_IPPORTHASH_H
-+#define __IP_SET_IPPORTHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipporthash"
-+
-+struct ip_set_ipporthash {
-+ ip_set_ip_t *members; /* the ipporthash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipporthash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipporthash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_IPPORTHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPPORTIPHASH_H
-+#define __IP_SET_IPPORTIPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportiphash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportiphash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportiphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportiphash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+};
-+
-+#endif /* __IP_SET_IPPORTIPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h
-@@ -0,0 +1,42 @@
-+#ifndef __IP_SET_IPPORTNETHASH_H
-+#define __IP_SET_IPPORTNETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportnethash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportnethash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportnethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportnethash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_IPPORTNETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPTREE_H
-+#define __IP_SET_IPTREE_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptree"
-+
-+struct ip_set_iptreed {
-+ unsigned long expires[256]; /* x.x.x.ADDR */
-+};
-+
-+struct ip_set_iptreec {
-+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */
-+};
-+
-+struct ip_set_iptreeb {
-+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */
-+};
-+
-+struct ip_set_iptree {
-+ unsigned int timeout;
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ uint32_t elements; /* number of elements */
-+ struct timer_list gc;
-+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */
-+#endif
-+};
-+
-+struct ip_set_req_iptree_create {
-+ unsigned int timeout;
-+};
-+
-+struct ip_set_req_iptree {
-+ ip_set_ip_t ip;
-+ unsigned int timeout;
-+};
-+
-+#endif /* __IP_SET_IPTREE_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h
-@@ -0,0 +1,40 @@
-+#ifndef __IP_SET_IPTREEMAP_H
-+#define __IP_SET_IPTREEMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptreemap"
-+
-+#ifdef __KERNEL__
-+struct ip_set_iptreemap_d {
-+ unsigned char bitmap[32]; /* x.x.x.y */
-+};
-+
-+struct ip_set_iptreemap_c {
-+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */
-+};
-+
-+struct ip_set_iptreemap_b {
-+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */
-+ unsigned char dirty[32];
-+};
-+#endif
-+
-+struct ip_set_iptreemap {
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ struct timer_list gc;
-+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */
-+#endif
-+};
-+
-+struct ip_set_req_iptreemap_create {
-+ unsigned int gc_interval;
-+};
-+
-+struct ip_set_req_iptreemap {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t end;
-+};
-+
-+#endif /* __IP_SET_IPTREEMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h
-@@ -0,0 +1,157 @@
-+#ifndef _LINUX_JHASH_H
-+#define _LINUX_JHASH_H
-+
-+/* jhash.h: Jenkins hash support.
-+ *
-+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net)
-+ *
-+ * http://burtleburtle.net/bob/hash/
-+ *
-+ * These are the credits from Bob's sources:
-+ *
-+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain.
-+ *
-+ * These are functions for producing 32-bit hashes for hash table lookup.
-+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final()
-+ * are externally useful functions. Routines to test the hash are included
-+ * if SELF_TEST is defined. You can use this free for any purpose. It's in
-+ * the public domain. It has no warranty.
-+ *
-+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
-+ *
-+ * I've modified Bob's hash to be useful in the Linux kernel, and
-+ * any bugs present are my fault. Jozsef
-+ */
-+
-+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
-+
-+/* __jhash_mix - mix 3 32-bit values reversibly. */
-+#define __jhash_mix(a,b,c) \
-+{ \
-+ a -= c; a ^= __rot(c, 4); c += b; \
-+ b -= a; b ^= __rot(a, 6); a += c; \
-+ c -= b; c ^= __rot(b, 8); b += a; \
-+ a -= c; a ^= __rot(c,16); c += b; \
-+ b -= a; b ^= __rot(a,19); a += c; \
-+ c -= b; c ^= __rot(b, 4); b += a; \
-+}
-+
-+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */
-+#define __jhash_final(a,b,c) \
-+{ \
-+ c ^= b; c -= __rot(b,14); \
-+ a ^= c; a -= __rot(c,11); \
-+ b ^= a; b -= __rot(a,25); \
-+ c ^= b; c -= __rot(b,16); \
-+ a ^= c; a -= __rot(c,4); \
-+ b ^= a; b -= __rot(a,14); \
-+ c ^= b; c -= __rot(b,24); \
-+}
-+
-+/* The golden ration: an arbitrary value */
-+#define JHASH_GOLDEN_RATIO 0xdeadbeef
-+
-+/* The most generic version, hashes an arbitrary sequence
-+ * of bytes. No alignment or length assumptions are made about
-+ * the input key. The result depends on endianness.
-+ */
-+static inline u32 jhash(const void *key, u32 length, u32 initval)
-+{
-+ u32 a,b,c;
-+ const u8 *k = key;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + length + initval;
-+
-+ /* all but the last block: affect some 32 bits of (a,b,c) */
-+ while (length > 12) {
-+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24));
-+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24));
-+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24));
-+ __jhash_mix(a, b, c);
-+ length -= 12;
-+ k += 12;
-+ }
-+
-+ /* last block: affect all 32 bits of (c) */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 12: c += (u32)k[11]<<24;
-+ case 11: c += (u32)k[10]<<16;
-+ case 10: c += (u32)k[9]<<8;
-+ case 9 : c += k[8];
-+ case 8 : b += (u32)k[7]<<24;
-+ case 7 : b += (u32)k[6]<<16;
-+ case 6 : b += (u32)k[5]<<8;
-+ case 5 : b += k[4];
-+ case 4 : a += (u32)k[3]<<24;
-+ case 3 : a += (u32)k[2]<<16;
-+ case 2 : a += (u32)k[1]<<8;
-+ case 1 : a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0 :
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special optimized version that handles 1 or more of u32s.
-+ * The length parameter here is the number of u32s in the key.
-+ */
-+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
-+{
-+ u32 a, b, c;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval;
-+
-+ /* handle most of the key */
-+ while (length > 3) {
-+ a += k[0];
-+ b += k[1];
-+ c += k[2];
-+ __jhash_mix(a, b, c);
-+ length -= 3;
-+ k += 3;
-+ }
-+
-+ /* handle the last 3 u32's */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 3: c += k[2];
-+ case 2: b += k[1];
-+ case 1: a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0: /* case 0: nothing left to add */
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special ultra-optimized versions that knows they are hashing exactly
-+ * 3, 2 or 1 word(s).
-+ */
-+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
-+{
-+ a += JHASH_GOLDEN_RATIO + initval;
-+ b += JHASH_GOLDEN_RATIO + initval;
-+ c += JHASH_GOLDEN_RATIO + initval;
-+
-+ __jhash_final(a, b, c);
-+
-+ return c;
-+}
-+
-+static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
-+{
-+ return jhash_3words(0, a, b, initval);
-+}
-+
-+static inline u32 jhash_1word(u32 a, u32 initval)
-+{
-+ return jhash_3words(0, 0, a, initval);
-+}
-+
-+#endif /* _LINUX_JHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_MACIPMAP_H
-+#define __IP_SET_MACIPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "macipmap"
-+
-+/* general flags */
-+#define IPSET_MACIP_MATCHUNSET 1
-+
-+/* per ip flags */
-+#define IPSET_MACIP_ISSET 1
-+
-+struct ip_set_macipmap {
-+ void *members; /* the macipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t flags;
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_macipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap {
-+ ip_set_ip_t ip;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+struct ip_set_macip {
-+ unsigned short match;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+#endif /* __IP_SET_MACIPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h
-@@ -0,0 +1,153 @@
-+#ifndef _IP_SET_MALLOC_H
-+#define _IP_SET_MALLOC_H
-+
-+#ifdef __KERNEL__
-+#include <linux/vmalloc.h>
-+
-+static size_t max_malloc_size = 0, max_page_size = 0;
-+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */
-+
-+static inline int init_max_page_size(void)
-+{
-+/* Compatibility glues to support 2.4.36 */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#define __GFP_NOWARN 0
-+
-+ /* Guaranteed: slab.c */
-+ max_malloc_size = max_page_size = default_max_malloc_size;
-+#else
-+ size_t page_size = 0;
-+
-+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \
-+ page_size = x;
-+#include <linux/kmalloc_sizes.h>
-+#undef CACHE
-+ if (page_size) {
-+ if (max_malloc_size == 0)
-+ max_malloc_size = page_size;
-+
-+ max_page_size = page_size;
-+
-+ return 1;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+struct harray {
-+ size_t max_elements;
-+ void *arrays[0];
-+};
-+
-+static inline void *
-+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ struct harray *harray;
-+ size_t max_elements, size, i, j;
-+
-+ BUG_ON(max_page_size == 0);
-+
-+ if (typesize > max_page_size)
-+ return NULL;
-+
-+ max_elements = max_page_size/typesize;
-+ size = hashsize/max_elements;
-+ if (hashsize % max_elements)
-+ size++;
-+
-+ /* Last pointer signals end of arrays */
-+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *),
-+ flags);
-+
-+ if (!harray)
-+ return NULL;
-+
-+ for (i = 0; i < size - 1; i++) {
-+ harray->arrays[i] = kmalloc(max_elements * typesize, flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, max_elements * typesize);
-+ }
-+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize,
-+ flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize);
-+
-+ harray->max_elements = max_elements;
-+ harray->arrays[size] = NULL;
-+
-+ return (void *)harray;
-+
-+ undo:
-+ for (j = 0; j < i; j++) {
-+ kfree(harray->arrays[j]);
-+ }
-+ kfree(harray);
-+ return NULL;
-+}
-+
-+static inline void *
-+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ void *harray;
-+
-+ do {
-+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN);
-+ } while (harray == NULL && init_max_page_size());
-+
-+ return harray;
-+}
-+
-+static inline void harray_free(void *h)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i] != NULL; i++)
-+ kfree(harray->arrays[i]);
-+ kfree(harray);
-+}
-+
-+static inline void harray_flush(void *h, size_t hashsize, size_t typesize)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i+1] != NULL; i++)
-+ memset(harray->arrays[i], 0, harray->max_elements * typesize);
-+ memset(harray->arrays[i], 0,
-+ (hashsize - i * harray->max_elements) * typesize);
-+}
-+
-+#define HARRAY_ELEM(h, type, which) \
-+({ \
-+ struct harray *__h = (struct harray *)(h); \
-+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \
-+ + (which)%(__h)->max_elements); \
-+})
-+
-+/* General memory allocation and deallocation */
-+static inline void * ip_set_malloc(size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ return vmalloc(bytes);
-+ else
-+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN);
-+}
-+
-+static inline void ip_set_free(void * data, size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ vfree(data);
-+ else
-+ kfree(data);
-+}
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_MALLOC_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h
-@@ -0,0 +1,31 @@
-+#ifndef __IP_SET_NETHASH_H
-+#define __IP_SET_NETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "nethash"
-+
-+struct ip_set_nethash {
-+ ip_set_ip_t *members; /* the nethash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_nethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+};
-+
-+struct ip_set_req_nethash {
-+ ip_set_ip_t ip;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_NETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h
-@@ -0,0 +1,25 @@
-+#ifndef __IP_SET_PORTMAP_H
-+#define __IP_SET_PORTMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "portmap"
-+
-+struct ip_set_portmap {
-+ void *members; /* the portmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_portmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_portmap {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_PORTMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h
-@@ -0,0 +1,26 @@
-+#ifndef __IP_SET_SETLIST_H
-+#define __IP_SET_SETLIST_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "setlist"
-+
-+#define IP_SET_SETLIST_ADD_AFTER 0
-+#define IP_SET_SETLIST_ADD_BEFORE 1
-+
-+struct ip_set_setlist {
-+ uint8_t size;
-+ ip_set_id_t index[0];
-+};
-+
-+struct ip_set_req_setlist_create {
-+ uint8_t size;
-+};
-+
-+struct ip_set_req_setlist {
-+ char name[IP_SET_MAXNAMELEN];
-+ char ref[IP_SET_MAXNAMELEN];
-+ uint8_t before;
-+};
-+
-+#endif /* __IP_SET_SETLIST_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_set.h
-@@ -0,0 +1,21 @@
-+#ifndef _IPT_SET_H
-+#define _IPT_SET_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+struct ipt_set_info {
-+ ip_set_id_t index;
-+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-+};
-+
-+/* match info */
-+struct ipt_set_info_match {
-+ struct ipt_set_info match_set;
-+};
-+
-+struct ipt_set_info_target {
-+ struct ipt_set_info add_set;
-+ struct ipt_set_info del_set;
-+};
-+
-+#endif /*_IPT_SET_H*/
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set.c
-@@ -0,0 +1,2076 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module for IP set management */
-+
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+#include <linux/config.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/kmod.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/random.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <linux/capability.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-+#include <asm/semaphore.h>
-+#else
-+#include <linux/semaphore.h>
-+#endif
-+#include <linux/spinlock.h>
-+
-+#define ASSERT_READ_LOCK(x)
-+#define ASSERT_WRITE_LOCK(x)
-+#include <linux/netfilter.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+static struct list_head set_type_list; /* all registered sets */
-+static struct ip_set **ip_set_list; /* all individual sets */
-+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */
-+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */
-+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
-+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE;
-+static struct list_head *ip_set_hash; /* hash of bindings */
-+static unsigned int ip_set_hash_random; /* random seed */
-+
-+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0)
-+
-+/*
-+ * Sets are identified either by the index in ip_set_list or by id.
-+ * The id never changes and is used to find a key in the hash.
-+ * The index may change by swapping and used at all other places
-+ * (set/SET netfilter modules, binding value, etc.)
-+ *
-+ * Userspace requests are serialized by ip_set_mutex and sets can
-+ * be deleted only from userspace. Therefore ip_set_list locking
-+ * must obey the following rules:
-+ *
-+ * - kernel requests: read and write locking mandatory
-+ * - user requests: read locking optional, write locking mandatory
-+ */
-+
-+static inline void
-+__ip_set_get(ip_set_id_t index)
-+{
-+ atomic_inc(&ip_set_list[index]->ref);
-+}
-+
-+static inline void
-+__ip_set_put(ip_set_id_t index)
-+{
-+ atomic_dec(&ip_set_list[index]->ref);
-+}
-+
-+/*
-+ * Binding routines
-+ */
-+
-+static inline struct ip_set_hash *
-+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ struct ip_set_hash *set_hash;
-+
-+ list_for_each_entry(set_hash, &ip_set_hash[key], list)
-+ if (set_hash->id == id && set_hash->ip == ip)
-+ return set_hash;
-+
-+ return NULL;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ ASSERT_READ_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+
-+ set_hash = __ip_set_find(key, id, ip);
-+
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
-+}
-+
-+static inline void
-+__set_hash_del(struct ip_set_hash *set_hash)
-+{
-+ ASSERT_WRITE_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+
-+ __ip_set_put(set_hash->binding);
-+ list_del(&set_hash->list);
-+ kfree(set_hash);
-+}
-+
-+static int
-+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ if (set_hash != NULL)
-+ __set_hash_del(set_hash);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+static int
-+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+ int ret = 0;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ IP_SET_ASSERT(ip_set_list[binding]);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip), ip_set_list[binding]->name);
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ if (!set_hash) {
-+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC);
-+ if (!set_hash) {
-+ ret = -ENOMEM;
-+ goto unlock;
-+ }
-+ INIT_LIST_HEAD(&set_hash->list);
-+ set_hash->id = id;
-+ set_hash->ip = ip;
-+ list_add(&set_hash->list, &ip_set_hash[key]);
-+ } else {
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+ DP("overwrite binding: %s",
-+ ip_set_list[set_hash->binding]->name);
-+ __ip_set_put(set_hash->binding);
-+ }
-+ set_hash->binding = binding;
-+ __ip_set_get(set_hash->binding);
-+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)",
-+ key, id, ip_set_list[id]->name,
-+ HIPQUAD(ip), binding, ip_set_list[binding]->name);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+#define FOREACH_HASH_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash; \
-+ \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+#define FOREACH_HASH_RW_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash, *__n; \
-+ \
-+ ASSERT_WRITE_LOCK(&ip_set_lock); \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+/* Add, del and test set entries from kernel */
-+
-+#define follow_bindings(index, set, ip) \
-+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \
-+ || (index = (set)->binding) != IP_SET_INVALID_ID)
-+
-+int
-+ip_set_testip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip_kernel(set, skb, &ip, flags, i++);
-+ read_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while (res > 0
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+int
-+ip_set_addip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ retry:
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ if (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0)
-+ goto retry;
-+
-+ return res;
-+}
-+
-+int
-+ip_set_delip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return res;
-+}
-+
-+/* Register and deregister settype */
-+
-+static inline struct ip_set_type *
-+find_set_type(const char *name)
-+{
-+ struct ip_set_type *set_type;
-+
-+ list_for_each_entry(set_type, &set_type_list, list)
-+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1))
-+ return set_type;
-+ return NULL;
-+}
-+
-+int
-+ip_set_register_set_type(struct ip_set_type *set_type)
-+{
-+ int ret = 0;
-+
-+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
-+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
-+ set_type->typename,
-+ set_type->protocol_version,
-+ IP_SET_PROTOCOL_VERSION);
-+ return -EINVAL;
-+ }
-+
-+ write_lock_bh(&ip_set_lock);
-+ if (find_set_type(set_type->typename)) {
-+ /* Duplicate! */
-+ ip_set_printk("'%s' already registered!",
-+ set_type->typename);
-+ ret = -EINVAL;
-+ goto unlock;
-+ }
-+ if (!try_module_get(THIS_MODULE)) {
-+ ret = -EFAULT;
-+ goto unlock;
-+ }
-+ list_add(&set_type->list, &set_type_list);
-+ DP("'%s' registered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+void
-+ip_set_unregister_set_type(struct ip_set_type *set_type)
-+{
-+ write_lock_bh(&ip_set_lock);
-+ if (!find_set_type(set_type->typename)) {
-+ ip_set_printk("'%s' not registered?",
-+ set_type->typename);
-+ goto unlock;
-+ }
-+ list_del(&set_type->list);
-+ module_put(THIS_MODULE);
-+ DP("'%s' unregistered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+
-+}
-+
-+ip_set_id_t
-+__ip_set_get_byname(const char *name, struct ip_set **set)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ *set = ip_set_list[i];
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+void __ip_set_put_byindex(ip_set_id_t index)
-+{
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+}
-+
-+/*
-+ * Userspace routines
-+ */
-+
-+/*
-+ * Find set by name, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ down(&ip_set_app_mutex);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ break;
-+ }
-+ }
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find set by index, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+
-+ if (index >= ip_set_max)
-+ return IP_SET_INVALID_ID;
-+
-+ if (ip_set_list[index])
-+ __ip_set_get(index);
-+ else
-+ index = IP_SET_INVALID_ID;
-+
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find the set id belonging to the index.
-+ * We are protected by the mutex, so we do not need to use
-+ * ip_set_lock. There is no need to reference the sets either.
-+ */
-+ip_set_id_t
-+ip_set_id(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || !ip_set_list[index])
-+ return IP_SET_INVALID_ID;
-+
-+ return ip_set_list[index]->id;
-+}
-+
-+/*
-+ * If the given set pointer points to a valid set, decrement
-+ * reference count by 1. The caller shall not assume the index
-+ * to be valid, after calling this function.
-+ */
-+void ip_set_put_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+ up(&ip_set_app_mutex);
-+}
-+
-+/* Find a set by name or index */
-+static ip_set_id_t
-+ip_set_find_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ index = i;
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_byindex(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || ip_set_list[index] == NULL)
-+ index = IP_SET_INVALID_ID;
-+
-+ return index;
-+}
-+
-+/*
-+ * Add, del, test, bind and unbind
-+ */
-+
-+static inline int
-+__ip_set_testip(struct ip_set *set,
-+ const void *data,
-+ u_int32_t size,
-+ ip_set_ip_t *ip)
-+{
-+ int res;
-+
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip(set, data, size, ip);
-+ read_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+__ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ do {
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip(set, data, size, &ip);
-+ write_unlock_bh(&set->lock);
-+ } while (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ return __ip_set_addip(index,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt));
-+}
-+
-+static int
-+ip_set_delip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+ write_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+
-+ return (res > 0 ? -EEXIST : res);
-+}
-+
-+static int
-+ip_set_bindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of a set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets as binding values are referenced */
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ set->binding = binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = ip_set_hash_add(set->id, ip, binding);
-+
-+ return res;
-+}
-+
-+#define FOREACH_SET_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __i; \
-+ struct ip_set *__set; \
-+ \
-+ for (__i = 0; __i < ip_set_max; __i++) { \
-+ __set = ip_set_list[__i]; \
-+ if (__set != NULL) \
-+ fn(__set , ##args); \
-+ } \
-+})
-+
-+static inline void
-+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
-+{
-+ if (set_hash->id == id)
-+ __set_hash_del(set_hash);
-+}
-+
-+static inline void
-+__unbind_default(struct ip_set *set)
-+{
-+ if (set->binding != IP_SET_INVALID_ID) {
-+ /* Sets as binding values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static int
-+ip_set_unbindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ DP("");
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ DP("%u %s", index, req_bind->binding);
-+ if (index == IP_SET_INVALID_ID) {
-+ /* unbind :all: */
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of sets */
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_SET_DO(__unbind_default);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings of all sets*/
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+ DP("unreachable reached!");
-+ return -EINVAL;
-+ }
-+
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ ip_set_id_t binding = ip_set_find_byindex(set->binding);
-+
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets in hash values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings */
-+
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+
-+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
-+ if (res >= 0)
-+ res = ip_set_hash_del(set->id, ip);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testbind(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = (set->binding == binding) ? -EEXIST : 0;
-+
-+ return res;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = (ip_set_find_in_hash(set->id, ip) == binding)
-+ ? -EEXIST : 0;
-+
-+ return res;
-+}
-+
-+static struct ip_set_type *
-+find_set_type_rlock(const char *typename)
-+{
-+ struct ip_set_type *type;
-+
-+ read_lock_bh(&ip_set_lock);
-+ type = find_set_type(typename);
-+ if (type == NULL)
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return type;
-+}
-+
-+static int
-+find_free_id(const char *name,
-+ ip_set_id_t *index,
-+ ip_set_id_t *id)
-+{
-+ ip_set_id_t i;
-+
-+ *id = IP_SET_INVALID_ID;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL) {
-+ if (*id == IP_SET_INVALID_ID)
-+ *id = *index = i;
-+ } else if (SETNAME_EQ(name, ip_set_list[i]->name))
-+ /* Name clash */
-+ return -EEXIST;
-+ }
-+ if (*id == IP_SET_INVALID_ID)
-+ /* No free slot remained */
-+ return -ERANGE;
-+ /* Check that index is usable as id (swapping) */
-+ check:
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && ip_set_list[i]->id == *id) {
-+ *id = i;
-+ goto check;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * Create a set
-+ */
-+static int
-+ip_set_create(const char *name,
-+ const char *typename,
-+ ip_set_id_t restore,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ ip_set_id_t index = 0, id;
-+ int res = 0;
-+
-+ DP("setname: %s, typename: %s, id: %u", name, typename, restore);
-+
-+ /*
-+ * First, and without any locks, allocate and initialize
-+ * a normal base set structure.
-+ */
-+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
-+ if (!set)
-+ return -ENOMEM;
-+ rwlock_init(&set->lock);
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ set->binding = IP_SET_INVALID_ID;
-+ atomic_set(&set->ref, 0);
-+
-+ /*
-+ * Next, take the &ip_set_lock, check that we know the type,
-+ * and take a reference on the type, to make sure it
-+ * stays available while constructing our new set.
-+ *
-+ * After referencing the type, we drop the &ip_set_lock,
-+ * and let the new set construction run without locks.
-+ */
-+ set->type = find_set_type_rlock(typename);
-+ if (set->type == NULL) {
-+ /* Try loading the module */
-+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
-+ strcpy(modulename, "ip_set_");
-+ strcat(modulename, typename);
-+ DP("try to load %s", modulename);
-+ request_module(modulename);
-+ set->type = find_set_type_rlock(typename);
-+ }
-+ if (set->type == NULL) {
-+ ip_set_printk("no set type '%s', set '%s' not created",
-+ typename, name);
-+ res = -ENOENT;
-+ goto out;
-+ }
-+ if (!try_module_get(set->type->me)) {
-+ read_unlock_bh(&ip_set_lock);
-+ res = -EFAULT;
-+ goto out;
-+ }
-+ read_unlock_bh(&ip_set_lock);
-+
-+ /* Check request size */
-+ if (size != set->type->header_size) {
-+ ip_set_printk("data length wrong (want %lu, have %lu)",
-+ (long unsigned)set->type->header_size,
-+ (long unsigned)size);
-+ goto put_out;
-+ }
-+
-+ /*
-+ * Without holding any locks, create private part.
-+ */
-+ res = set->type->create(set, data, size);
-+ if (res != 0)
-+ goto put_out;
-+
-+ /* BTW, res==0 here. */
-+
-+ /*
-+ * Here, we have a valid, constructed set. &ip_set_lock again,
-+ * find free id/index and check that it is not already in
-+ * ip_set_list.
-+ */
-+ write_lock_bh(&ip_set_lock);
-+ if ((res = find_free_id(set->name, &index, &id)) != 0) {
-+ DP("no free id!");
-+ goto cleanup;
-+ }
-+
-+ /* Make sure restore gets the same index */
-+ if (restore != IP_SET_INVALID_ID && index != restore) {
-+ DP("Can't restore, sets are screwed up");
-+ res = -ERANGE;
-+ goto cleanup;
-+ }
-+
-+ /*
-+ * Finally! Add our shiny new set to the list, and be done.
-+ */
-+ DP("create: '%s' created with index %u, id %u!", set->name, index, id);
-+ set->id = id;
-+ ip_set_list[index] = set;
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+
-+ cleanup:
-+ write_unlock_bh(&ip_set_lock);
-+ set->type->destroy(set);
-+ put_out:
-+ module_put(set->type->me);
-+ out:
-+ kfree(set);
-+ return res;
-+}
-+
-+/*
-+ * Destroy a given existing set
-+ */
-+static void
-+ip_set_destroy_set(ip_set_id_t index)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+ DP("set: %s", set->name);
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ ip_set_list[index] = NULL;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ /* Must call it without holding any lock */
-+ set->type->destroy(set);
-+ module_put(set->type->me);
-+ kfree(set);
-+}
-+
-+/*
-+ * Destroy a set - or all sets
-+ * Sets must not be referenced/used.
-+ */
-+static int
-+ip_set_destroy(ip_set_id_t index)
-+{
-+ ip_set_id_t i;
-+
-+ /* ref modification always protected by the mutex */
-+ if (index != IP_SET_INVALID_ID) {
-+ if (atomic_read(&ip_set_list[index]->ref))
-+ return -EBUSY;
-+ ip_set_destroy_set(index);
-+ } else {
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && (atomic_read(&ip_set_list[i]->ref)))
-+ return -EBUSY;
-+ }
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ ip_set_destroy_set(i);
-+ }
-+ }
-+ return 0;
-+}
-+
-+static void
-+ip_set_flush_set(struct ip_set *set)
-+{
-+ DP("set: %s %u", set->name, set->id);
-+
-+ write_lock_bh(&set->lock);
-+ set->type->flush(set);
-+ write_unlock_bh(&set->lock);
-+}
-+
-+/*
-+ * Flush data in a set - or in all sets
-+ */
-+static int
-+ip_set_flush(ip_set_id_t index)
-+{
-+ if (index != IP_SET_INVALID_ID) {
-+ IP_SET_ASSERT(ip_set_list[index]);
-+ ip_set_flush_set(ip_set_list[index]);
-+ } else
-+ FOREACH_SET_DO(ip_set_flush_set);
-+
-+ return 0;
-+}
-+
-+/* Rename a set */
-+static int
-+ip_set_rename(ip_set_id_t index, const char *name)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_id_t i;
-+ int res = 0;
-+
-+ DP("set: %s to %s", set->name, name);
-+ write_lock_bh(&ip_set_lock);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ res = -EEXIST;
-+ goto unlock;
-+ }
-+ }
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+}
-+
-+/*
-+ * Swap two sets so that name/index points to the other.
-+ * References are also swapped.
-+ */
-+static int
-+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
-+{
-+ struct ip_set *from = ip_set_list[from_index];
-+ struct ip_set *to = ip_set_list[to_index];
-+ char from_name[IP_SET_MAXNAMELEN];
-+ u_int32_t from_ref;
-+
-+ DP("set: %s to %s", from->name, to->name);
-+ /* Features must not change.
-+ * Not an artifical restriction anymore, as we must prevent
-+ * possible loops created by swapping in setlist type of sets. */
-+ if (from->type->features != to->type->features)
-+ return -ENOEXEC;
-+
-+ /* No magic here: ref munging protected by the mutex */
-+ write_lock_bh(&ip_set_lock);
-+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
-+ from_ref = atomic_read(&from->ref);
-+
-+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
-+ atomic_set(&from->ref, atomic_read(&to->ref));
-+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
-+ atomic_set(&to->ref, from_ref);
-+
-+ ip_set_list[from_index] = to;
-+ ip_set_list[to_index] = from;
-+
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+/*
-+ * List set data
-+ */
-+
-+static inline void
-+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_list);
-+}
-+
-+static inline void
-+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_save);
-+}
-+
-+static inline void
-+__set_hash_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, void *data, int *used)
-+{
-+ if (set_hash->id == id) {
-+ struct ip_set_hash_list *hash_list = data + *used;
-+
-+ hash_list->ip = set_hash->ip;
-+ hash_list->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_list);
-+ }
-+}
-+
-+static int ip_set_list_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_list *set_list;
-+
-+ /* Pointer to our header */
-+ set_list = data + *used;
-+
-+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_list) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_list);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_list->header_size = set->type->header_size;
-+ if (*used + set_list->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_list->index = index;
-+ set_list->binding = set->binding;
-+ set_list->ref = atomic_read(&set->ref);
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_list->header_size;
-+
-+ /* Get and ensure set specific members size */
-+ set_list->members_size = set->type->list_members_size(set);
-+ if (*used + set_list->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_list->members_size;
-+ read_unlock_bh(&set->lock);
-+
-+ /* Bindings */
-+
-+ /* Get and ensure set specific bindings size */
-+ set_list->bindings_size = 0;
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &set_list->bindings_size);
-+ if (*used + set_list->bindings_size > len)
-+ goto not_enough_mem;
-+
-+ /* Fill in set spefific bindings data */
-+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
-+
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+/*
-+ * Save sets
-+ */
-+static int ip_set_save_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set;
-+ struct ip_set_save *set_save;
-+
-+ /* Pointer to our header */
-+ set_save = data + *used;
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_save);
-+
-+ set = ip_set_list[index];
-+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len,
-+ data, data + *used);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_save->header_size = set->type->header_size;
-+ if (*used + set_save->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_save->index = index;
-+ set_save->binding = set->binding;
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_save->header_size;
-+
-+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->header_size, data, data + *used);
-+ /* Get and ensure set specific members size */
-+ set_save->members_size = set->type->list_members_size(set);
-+ if (*used + set_save->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_save->members_size;
-+ read_unlock_bh(&set->lock);
-+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->members_size, data, data + *used);
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+static inline void
-+__set_hash_save_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id,
-+ void *data,
-+ int *used,
-+ int len,
-+ int *res)
-+{
-+ if (*res == 0
-+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
-+ struct ip_set_hash_save *hash_save = data + *used;
-+ /* Ensure bindings size */
-+ if (*used + sizeof(struct ip_set_hash_save) > len) {
-+ *res = -ENOMEM;
-+ return;
-+ }
-+ hash_save->id = set_hash->id;
-+ hash_save->ip = set_hash->ip;
-+ hash_save->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_save);
-+ }
-+}
-+
-+static int ip_set_save_bindings(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ int res = 0;
-+ struct ip_set_save *set_save;
-+
-+ DP("used %u, len %u", *used, len);
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ return -ENOMEM;
-+
-+ /* Marker */
-+ set_save = data + *used;
-+ set_save->index = IP_SET_INVALID_ID;
-+ set_save->header_size = 0;
-+ set_save->members_size = 0;
-+ *used += sizeof(struct ip_set_save);
-+
-+ DP("marker added used %u, len %u", *used, len);
-+ /* Fill in bindings data */
-+ if (index != IP_SET_INVALID_ID)
-+ /* Sets are identified by id in hash */
-+ index = ip_set_list[index]->id;
-+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
-+
-+ return res;
-+}
-+
-+/*
-+ * Restore sets
-+ */
-+static int ip_set_restore(void *data,
-+ int len)
-+{
-+ int res = 0;
-+ int line = 0, used = 0, members_size;
-+ struct ip_set *set;
-+ struct ip_set_hash_save *hash_save;
-+ struct ip_set_restore *set_restore;
-+ ip_set_id_t index;
-+
-+ /* Loop to restore sets */
-+ while (1) {
-+ line++;
-+
-+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len);
-+ /* Get and ensure header size */
-+ if (used + sizeof(struct ip_set_restore) > len)
-+ return line;
-+ set_restore = data + used;
-+ used += sizeof(struct ip_set_restore);
-+
-+ /* Ensure data size */
-+ if (used
-+ + set_restore->header_size
-+ + set_restore->members_size > len)
-+ return line;
-+
-+ /* Check marker */
-+ if (set_restore->index == IP_SET_INVALID_ID) {
-+ line--;
-+ goto bindings;
-+ }
-+
-+ /* Try to create the set */
-+ DP("restore %s %s", set_restore->name, set_restore->typename);
-+ res = ip_set_create(set_restore->name,
-+ set_restore->typename,
-+ set_restore->index,
-+ data + used,
-+ set_restore->header_size);
-+
-+ if (res != 0)
-+ return line;
-+ used += set_restore->header_size;
-+
-+ index = ip_set_find_byindex(set_restore->index);
-+ DP("index %u, restore_index %u", index, set_restore->index);
-+ if (index != set_restore->index)
-+ return line;
-+ /* Try to restore members data */
-+ set = ip_set_list[index];
-+ members_size = 0;
-+ DP("members_size %lu reqsize %lu",
-+ (unsigned long)set_restore->members_size,
-+ (unsigned long)set->type->reqsize);
-+ while (members_size + set->type->reqsize <=
-+ set_restore->members_size) {
-+ line++;
-+ DP("members: %d, line %d", members_size, line);
-+ res = __ip_set_addip(index,
-+ data + used + members_size,
-+ set->type->reqsize);
-+ if (!(res == 0 || res == -EEXIST))
-+ return line;
-+ members_size += set->type->reqsize;
-+ }
-+
-+ DP("members_size %lu %d",
-+ (unsigned long)set_restore->members_size, members_size);
-+ if (members_size != set_restore->members_size)
-+ return line++;
-+ used += set_restore->members_size;
-+ }
-+
-+ bindings:
-+ /* Loop to restore bindings */
-+ while (used < len) {
-+ line++;
-+
-+ DP("restore binding, line %u", line);
-+ /* Get and ensure size */
-+ if (used + sizeof(struct ip_set_hash_save) > len)
-+ return line;
-+ hash_save = data + used;
-+ used += sizeof(struct ip_set_hash_save);
-+
-+ /* hash_save->id is used to store the index */
-+ index = ip_set_find_byindex(hash_save->id);
-+ DP("restore binding index %u, id %u, %u -> %u",
-+ index, hash_save->id, hash_save->ip, hash_save->binding);
-+ if (index != hash_save->id)
-+ return line;
-+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) {
-+ DP("corrupt binding set index %u", hash_save->binding);
-+ return line;
-+ }
-+ set = ip_set_list[hash_save->id];
-+ /* Null valued IP means default binding */
-+ if (hash_save->ip)
-+ res = ip_set_hash_add(set->id,
-+ hash_save->ip,
-+ hash_save->binding);
-+ else {
-+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
-+ write_lock_bh(&ip_set_lock);
-+ set->binding = hash_save->binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+ DP("default binding: %u", set->binding);
-+ }
-+ if (res != 0)
-+ return line;
-+ }
-+ if (used != len)
-+ return line;
-+
-+ return 0;
-+}
-+
-+static int
-+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
-+{
-+ void *data;
-+ int res = 0; /* Assume OK */
-+ unsigned *op;
-+ struct ip_set_req_adt *req_adt;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ int (*adtfn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ struct fn_table {
-+ int (*fn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ } adtfn_table[] =
-+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
-+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
-+ };
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (len <= sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >%zu, got %u)",
-+ sizeof(unsigned), len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(len);
-+ if (!data) {
-+ DP("out of mem for %u bytes", len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *)data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_CREATE:{
-+ struct ip_set_req_create *req_create = data;
-+
-+ if (len < sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("short CREATE data (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+ res = ip_set_create(req_create->name,
-+ req_create->typename,
-+ IP_SET_INVALID_ID,
-+ data + sizeof(struct ip_set_req_create),
-+ len - sizeof(struct ip_set_req_create));
-+ goto done;
-+ }
-+ case IP_SET_OP_DESTROY:{
-+ struct ip_set_req_std *req_destroy = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid DESTROY data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) {
-+ /* Destroy all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_destroy->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+
-+ res = ip_set_destroy(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_FLUSH:{
-+ struct ip_set_req_std *req_flush = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid FLUSH data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) {
-+ /* Flush all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_flush->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = ip_set_flush(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_RENAME:{
-+ struct ip_set_req_create *req_rename = data;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid RENAME data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_rename->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_rename(index, req_rename->typename);
-+ goto done;
-+ }
-+ case IP_SET_OP_SWAP:{
-+ struct ip_set_req_create *req_swap = data;
-+ ip_set_id_t to_index;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid SWAP data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_swap->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ to_index = ip_set_find_byname(req_swap->typename);
-+ if (to_index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_swap(index, to_index);
-+ goto done;
-+ }
-+ default:
-+ break; /* Set identified by id */
-+ }
-+
-+ /* There we may have add/del/test/bind/unbind/test_bind operations */
-+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
-+ res = -EBADMSG;
-+ goto done;
-+ }
-+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
-+
-+ if (len < sizeof(struct ip_set_req_adt)) {
-+ ip_set_printk("short data in adt request (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_adt), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_adt = data;
-+
-+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
-+ if (!(*op == IP_SET_OP_UNBIND_SET
-+ && req_adt->index == IP_SET_INVALID_ID)) {
-+ index = ip_set_find_byindex(req_adt->index);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = adtfn(index, data, len);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static int
-+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
-+{
-+ int res = 0;
-+ unsigned *op;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ void *data;
-+ int copylen = *len;
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, *len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (*len < sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >=%zu, got %d)",
-+ sizeof(unsigned), *len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(*len);
-+ if (!data) {
-+ DP("out of mem for %d bytes", *len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, *len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *) data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_VERSION: {
-+ struct ip_set_req_version *req_version = data;
-+
-+ if (*len != sizeof(struct ip_set_req_version)) {
-+ ip_set_printk("invalid VERSION (want %zu, got %d)",
-+ sizeof(struct ip_set_req_version),
-+ *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_version->version = IP_SET_PROTOCOL_VERSION;
-+ res = copy_to_user(user, req_version,
-+ sizeof(struct ip_set_req_version));
-+ goto done;
-+ }
-+ case IP_SET_OP_GET_BYNAME: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ req_get->set.index = index;
-+ goto copy;
-+ }
-+ case IP_SET_OP_GET_BYINDEX: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byindex(req_get->set.index);
-+ strncpy(req_get->set.name,
-+ index == IP_SET_INVALID_ID ? ""
-+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN);
-+ goto copy;
-+ }
-+ case IP_SET_OP_ADT_GET: {
-+ struct ip_set_req_adt_get *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_adt_get)) {
-+ ip_set_printk("invalid ADT_GET (want %zu, got %d)",
-+ sizeof(struct ip_set_req_adt_get), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ if (index != IP_SET_INVALID_ID) {
-+ req_get->set.index = index;
-+ strncpy(req_get->typename,
-+ ip_set_list[index]->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ } else {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_MAX_SETS: {
-+ struct ip_set_req_max_sets *req_max_sets = data;
-+ ip_set_id_t i;
-+
-+ if (*len != sizeof(struct ip_set_req_max_sets)) {
-+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
-+ sizeof(struct ip_set_req_max_sets), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) {
-+ req_max_sets->set.index = IP_SET_INVALID_ID;
-+ } else {
-+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_max_sets->set.index =
-+ ip_set_find_byname(req_max_sets->set.name);
-+ if (req_max_sets->set.index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ req_max_sets->max_sets = ip_set_max;
-+ req_max_sets->sets = 0;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ req_max_sets->sets++;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST_SIZE:
-+ case IP_SET_OP_SAVE_SIZE: {
-+ struct ip_set_req_setnames *req_setnames = data;
-+ struct ip_set_name_list *name_list;
-+ struct ip_set *set;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)) {
-+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_setnames), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_setnames->size = 0;
-+ used = sizeof(struct ip_set_req_setnames);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL)
-+ continue;
-+ name_list = data + used;
-+ used += sizeof(struct ip_set_name_list);
-+ if (used > copylen) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ set = ip_set_list[i];
-+ /* Fill in index, name, etc. */
-+ name_list->index = i;
-+ name_list->id = set->id;
-+ strncpy(name_list->name,
-+ set->name,
-+ IP_SET_MAXNAMELEN - 1);
-+ strncpy(name_list->typename,
-+ set->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ DP("filled %s of type %s, index %u\n",
-+ name_list->name, name_list->typename,
-+ name_list->index);
-+ if (!(req_setnames->index == IP_SET_INVALID_ID
-+ || req_setnames->index == i))
-+ continue;
-+ /* Update size */
-+ switch (*op) {
-+ case IP_SET_OP_LIST_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_list)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ /* Sets are identified by id in the hash */
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ case IP_SET_OP_SAVE_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_save)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_save,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ default:
-+ break;
-+ }
-+ }
-+ if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST: {
-+ struct ip_set_req_list *req_list = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short LIST (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_list->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* List all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_list_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* List an individual set */
-+ res = ip_set_list_set(index, data, &used, *len);
-+ }
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_SAVE: {
-+ struct ip_set_req_list *req_save = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short SAVE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_save->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+
-+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0)
-+
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* Save all sets: ugly setlist type dependency */
-+ int setlist = 0;
-+ setlists:
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL
-+ && !(setlist ^ SETLIST(ip_set_list[i])))
-+ res = ip_set_save_set(i, data, &used, *len);
-+ }
-+ if (!setlist) {
-+ setlist = 1;
-+ goto setlists;
-+ }
-+ } else {
-+ /* Save an individual set */
-+ res = ip_set_save_set(index, data, &used, *len);
-+ }
-+ if (res == 0)
-+ res = ip_set_save_bindings(index, data, &used, *len);
-+
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_RESTORE: {
-+ struct ip_set_req_setnames *req_restore = data;
-+ int line;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)
-+ || *len != req_restore->size) {
-+ ip_set_printk("invalid RESTORE (want =%lu, got %d)",
-+ (long unsigned)req_restore->size, *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
-+ req_restore->size - sizeof(struct ip_set_req_setnames));
-+ DP("ip_set_restore: %d", line);
-+ if (line != 0) {
-+ res = -EAGAIN;
-+ req_restore->size = line;
-+ copylen = sizeof(struct ip_set_req_setnames);
-+ goto copy;
-+ }
-+ goto done;
-+ }
-+ default:
-+ res = -EBADMSG;
-+ goto done;
-+ } /* end of switch(op) */
-+
-+ copy:
-+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID
-+ && ip_set_list[index]
-+ ? ip_set_list[index]->name
-+ : ":all:", copylen);
-+ res = copy_to_user(user, data, copylen);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static struct nf_sockopt_ops so_set = {
-+ .pf = PF_INET,
-+ .set_optmin = SO_IP_SET,
-+ .set_optmax = SO_IP_SET + 1,
-+ .set = &ip_set_sockfn_set,
-+ .get_optmin = SO_IP_SET,
-+ .get_optmax = SO_IP_SET + 1,
-+ .get = &ip_set_sockfn_get,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+ .use = 0,
-+#else
-+ .owner = THIS_MODULE,
-+#endif
-+};
-+
-+static int max_sets, hash_size;
-+
-+module_param(max_sets, int, 0600);
-+MODULE_PARM_DESC(max_sets, "maximal number of sets");
-+module_param(hash_size, int, 0600);
-+MODULE_PARM_DESC(hash_size, "hash size for bindings");
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("module implementing core IP set support");
-+
-+static int __init ip_set_init(void)
-+{
-+ int res;
-+ ip_set_id_t i;
-+
-+ get_random_bytes(&ip_set_hash_random, 4);
-+ if (max_sets)
-+ ip_set_max = max_sets;
-+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
-+ if (!ip_set_list) {
-+ printk(KERN_ERR "Unable to create ip_set_list\n");
-+ return -ENOMEM;
-+ }
-+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
-+ if (hash_size)
-+ ip_set_bindings_hash_size = hash_size;
-+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
-+ if (!ip_set_hash) {
-+ printk(KERN_ERR "Unable to create ip_set_hash\n");
-+ vfree(ip_set_list);
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < ip_set_bindings_hash_size; i++)
-+ INIT_LIST_HEAD(&ip_set_hash[i]);
-+
-+ INIT_LIST_HEAD(&set_type_list);
-+
-+ res = nf_register_sockopt(&so_set);
-+ if (res != 0) {
-+ ip_set_printk("SO_SET registry failed: %d", res);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ return res;
-+ }
-+
-+ return 0;
-+}
-+
-+static void __exit ip_set_fini(void)
-+{
-+ /* There can't be any existing set or binding */
-+ nf_unregister_sockopt(&so_set);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ DP("these are the famous last words");
-+}
-+
-+EXPORT_SYMBOL(ip_set_register_set_type);
-+EXPORT_SYMBOL(ip_set_unregister_set_type);
-+
-+EXPORT_SYMBOL(ip_set_get_byname);
-+EXPORT_SYMBOL(ip_set_get_byindex);
-+EXPORT_SYMBOL(ip_set_put_byindex);
-+EXPORT_SYMBOL(ip_set_id);
-+EXPORT_SYMBOL(__ip_set_get_byname);
-+EXPORT_SYMBOL(__ip_set_put_byindex);
-+
-+EXPORT_SYMBOL(ip_set_addip_kernel);
-+EXPORT_SYMBOL(ip_set_delip_kernel);
-+EXPORT_SYMBOL(ip_set_testip_kernel);
-+
-+module_init(ip_set_init);
-+module_exit(ip_set_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iphash.c
-@@ -0,0 +1,166 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_iphash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iphash, test)
-+KADT(iphash, test, ipaddr)
-+
-+static inline int
-+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+
-+ if (!ip || map->elements >= limit)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+
-+ return __iphash_add(map, hash_ip);
-+}
-+
-+UADT(iphash, add)
-+KADT(iphash, add, ipaddr)
-+
-+static inline void
-+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map)
-+{
-+ tmp->netmask = map->netmask;
-+}
-+
-+HASH_RETRY(iphash, ip_set_ip_t)
-+
-+static inline int
-+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ id = iphash_id(set, hash_ip, ip);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(iphash, del)
-+KADT(iphash, del, ipaddr)
-+
-+static inline int
-+__iphash_create(const struct ip_set_req_iphash_create *req,
-+ struct ip_set_iphash *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(iphash, ip_set_ip_t)
-+HASH_DESTROY(iphash)
-+
-+HASH_FLUSH(iphash, ip_set_ip_t)
-+
-+static inline void
-+__iphash_list_header(const struct ip_set_iphash *map,
-+ struct ip_set_req_iphash_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+HASH_LIST_HEADER(iphash)
-+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(iphash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(iphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipmap.c
-@@ -0,0 +1,142 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the single bitmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
-+
-+static inline ip_set_ip_t
-+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
-+{
-+ return (ip - map->first_ip)/map->hosts;
-+}
-+
-+static inline int
-+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return !!test_bit(ip_to_id(map, *hash_ip), map->members);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(ipmap, test)
-+KADT(ipmap, test, ipaddr)
-+
-+static inline int
-+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, add)
-+KADT(ipmap, add, ipaddr)
-+
-+static inline int
-+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, del)
-+KADT(ipmap, del, ipaddr)
-+
-+static inline int
-+__ipmap_create(const struct ip_set_req_ipmap_create *req,
-+ struct ip_set_ipmap *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ if (req->netmask == 0xFFFFFFFF) {
-+ map->hosts = 1;
-+ map->sizeid = map->last_ip - map->first_ip + 1;
-+ } else {
-+ unsigned int mask_bits, netmask_bits;
-+ ip_set_ip_t mask;
-+
-+ map->first_ip &= map->netmask; /* Should we better bark? */
-+
-+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
-+ netmask_bits = mask_to_bits(map->netmask);
-+
-+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF))
-+ || netmask_bits <= mask_bits)
-+ return -ENOEXEC;
-+
-+ DP("mask_bits %u, netmask_bits %u",
-+ mask_bits, netmask_bits);
-+ map->hosts = 2 << (32 - netmask_bits - 1);
-+ map->sizeid = 2 << (netmask_bits - mask_bits - 1);
-+ }
-+ if (map->sizeid > MAX_RANGE + 1) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ map->sizeid, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid);
-+ return bitmap_bytes(0, map->sizeid - 1);
-+}
-+
-+BITMAP_CREATE(ipmap)
-+BITMAP_DESTROY(ipmap)
-+BITMAP_FLUSH(ipmap)
-+
-+static inline void
-+__ipmap_list_header(const struct ip_set_ipmap *map,
-+ struct ip_set_req_ipmap_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+BITMAP_LIST_HEADER(ipmap)
-+BITMAP_LIST_MEMBERS_SIZE(ipmap)
-+BITMAP_LIST_MEMBERS(ipmap)
-+
-+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipmap type of IP sets");
-+
-+REGISTER_MODULE(ipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipporthash.c
-@@ -0,0 +1,203 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipporthash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port; \
-+ \
-+ if (flags[index+1] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipporthash, test, req->port)
-+KADT(ipporthash, test, ipaddr, port)
-+
-+static inline int
-+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ return __ipporthash_add(map, hash_ip);
-+}
-+
-+UADT(ipporthash, add, req->port)
-+KADT(ipporthash, add, ipaddr, port)
-+
-+static inline void
-+__ipporthash_retry(struct ip_set_ipporthash *tmp,
-+ struct ip_set_ipporthash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY(ipporthash, ip_set_ip_t)
-+
-+static inline int
-+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ ip_set_ip_t id;
-+ ip_set_ip_t *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipporthash_id(set, hash_ip, ip, port);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipporthash, del, req->port)
-+KADT(ipporthash, del, ipaddr, port)
-+
-+static inline int
-+__ipporthash_create(const struct ip_set_req_ipporthash_create *req,
-+ struct ip_set_ipporthash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipporthash, ip_set_ip_t)
-+HASH_DESTROY(ipporthash)
-+HASH_FLUSH(ipporthash, ip_set_ip_t)
-+
-+static inline void
-+__ipporthash_list_header(const struct ip_set_ipporthash *map,
-+ struct ip_set_req_ipporthash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipporthash)
-+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipporthash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipporthash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c
-@@ -0,0 +1,216 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportiphash, test, req->port, req->ip1)
-+KADT(ipportiphash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportip_add(struct ip_set_ipportiphash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportiphash_add(struct ip_set_ipportiphash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportip_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ return __ipportip_add(map, *hash_ip, ip1);
-+}
-+
-+UADT(ipportiphash, add, req->port, req->ip1)
-+KADT(ipportiphash, add, ipaddr, port, ip1)
-+
-+static inline void
-+__ipportiphash_retry(struct ip_set_ipportiphash *tmp,
-+ struct ip_set_ipportiphash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY2(ipportiphash, struct ipportip)
-+
-+static inline int
-+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipportiphash_id(set, hash_ip, ip, port, ip1);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipportiphash, del, req->port, req->ip1)
-+KADT(ipportiphash, del, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req,
-+ struct ip_set_ipportiphash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportiphash, struct ipportip)
-+HASH_DESTROY(ipportiphash)
-+HASH_FLUSH(ipportiphash, struct ipportip)
-+
-+static inline void
-+__ipportiphash_list_header(const struct ip_set_ipportiphash *map,
-+ struct ip_set_req_ipportiphash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportiphash)
-+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportiphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportiphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c
-@@ -0,0 +1,304 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+net hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+static int
-+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_ipportnethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32
-+ ? ipportnethash_test(set, hash_ip, req->ip, req->port,
-+ req->ip1)
-+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port,
-+ req->ip1, req->cidr));
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+KADT(ipportnethash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportnet_add(struct ip_set_ipportnethash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportnethash_add(struct ip_set_ipportnethash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportnet_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ struct ipportip;
-+ int ret;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+ if (map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ ret =__ipportnet_add(map, *hash_ip, ip1);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_ipportnethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportnethash, add, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, add, ipaddr, port, ip1, cidr)
-+
-+static inline void
-+__ipportnethash_retry(struct ip_set_ipportnethash *tmp,
-+ struct ip_set_ipportnethash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY2(ipportnethash, struct ipportip)
-+
-+static inline int
-+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+
-+ return 0;
-+}
-+
-+UADT(ipportnethash, del, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, del, ipaddr, port, ip1, cidr)
-+
-+static inline int
-+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req,
-+ struct ip_set_ipportnethash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportnethash, struct ipportip)
-+HASH_DESTROY(ipportnethash)
-+HASH_FLUSH_CIDR(ipportnethash, struct ipportip);
-+
-+static inline void
-+__ipportnethash_list_header(const struct ip_set_ipportnethash *map,
-+ struct ip_set_req_ipportnethash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportnethash)
-+
-+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportnethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportnethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptree.c
-@@ -0,0 +1,466 @@
-+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the iptree type */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptree.h>
-+
-+static int limit = MAX_RANGE;
-+
-+/* Garbage collection interval in seconds: */
-+#define IPTREE_GC_TIME 5*60
-+/* Sleep so many milliseconds before trying again
-+ * to delete the gc timer at destroying/flushing a set */
-+#define IPTREE_DESTROY_SLEEP 100
-+
-+static __KMEM_CACHE_T__ *branch_cachep;
-+static __KMEM_CACHE_T__ *leaf_cachep;
-+
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[3]; \
-+ b = ((unsigned char *)addrp)[2]; \
-+ c = ((unsigned char *)addrp)[1]; \
-+ d = ((unsigned char *)addrp)[0]; \
-+} while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return 0; \
-+} while (0)
-+
-+static inline int
-+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
-+ TESTIP_WALK(map, a, btree);
-+ TESTIP_WALK(btree, b, ctree);
-+ TESTIP_WALK(ctree, c, dtree);
-+ DP("%lu %lu", dtree->expires[d], jiffies);
-+ return dtree->expires[d]
-+ && (!map->timeout
-+ || time_after(dtree->expires[d], jiffies));
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptree, test)
-+KADT(iptree, test, ipaddr)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \
-+ if ((map)->tree[elem]) { \
-+ DP("found %u", elem); \
-+ branch = (map)->tree[elem]; \
-+ } else { \
-+ branch = (type *) \
-+ kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (branch == NULL) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ DP("alloc %u", elem); \
-+ } \
-+} while (0)
-+
-+static inline int
-+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, unsigned int timeout)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ int ret = 0;
-+
-+ if (!ip || map->elements >= limit)
-+ /* We could call the garbage collector
-+ * but it's probably overkill */
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ ret = -EEXIST;
-+ if (map->timeout && timeout == 0)
-+ timeout = map->timeout;
-+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
-+ /* Lottery: I won! */
-+ if (dtree->expires[d] == 0)
-+ dtree->expires[d] = 1;
-+ DP("%u %lu", d, dtree->expires[d]);
-+ if (ret == 0)
-+ map->elements++;
-+ return ret;
-+}
-+
-+UADT(iptree, add, req->timeout)
-+KADT(iptree, add, ipaddr, 0)
-+
-+#define DELIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return -EEXIST; \
-+} while (0)
-+
-+static inline int
-+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DELIP_WALK(map, a, btree);
-+ DELIP_WALK(btree, b, ctree);
-+ DELIP_WALK(ctree, c, dtree);
-+
-+ if (dtree->expires[d]) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ return 0;
-+ }
-+ return -EEXIST;
-+}
-+
-+UADT(iptree, del)
-+KADT(iptree, del, ipaddr)
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) \
-+ continue; \
-+ branch = (map)->tree[i]
-+
-+#define LOOP_WALK_END }
-+
-+static void
-+ip_tree_gc(unsigned long ul_set)
-+{
-+ struct ip_set *set = (struct ip_set *) ul_set;
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned char i,j,k;
-+
-+ i = j = k = 0;
-+ DP("gc: %s", set->name);
-+ write_lock_bh(&set->lock);
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]) {
-+ DP("gc: %u %u %u %u: expires %lu jiffies %lu",
-+ a, b, c, d,
-+ dtree->expires[d], jiffies);
-+ if (map->timeout
-+ && time_before(dtree->expires[d], jiffies)) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ } else
-+ k = 1;
-+ }
-+ }
-+ if (k == 0) {
-+ DP("gc: %s: leaf %u %u %u empty",
-+ set->name, a, b, c);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ ctree->tree[c] = NULL;
-+ } else {
-+ DP("gc: %s: leaf %u %u %u not empty",
-+ set->name, a, b, c);
-+ j = 1;
-+ k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (j == 0) {
-+ DP("gc: %s: branch %u %u empty",
-+ set->name, a, b);
-+ kmem_cache_free(branch_cachep, ctree);
-+ btree->tree[b] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u %u not empty",
-+ set->name, a, b);
-+ i = 1;
-+ j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (i == 0) {
-+ DP("gc: %s: branch %u empty",
-+ set->name, a);
-+ kmem_cache_free(branch_cachep, btree);
-+ map->tree[a] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u not empty",
-+ set->name, a);
-+ i = j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* Even if there is no timeout for the entries,
-+ * we still have to call gc because delete
-+ * do not clean up empty branches */
-+ map->gc_interval = IPTREE_GC_TIME;
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = ip_tree_gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptree_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptree_create *req = data;
-+ struct ip_set_iptree *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptree_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %lu)",
-+ sizeof(struct ip_set_req_iptree_create),
-+ (unsigned long)size);
-+ return -EINVAL;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %zu bytes",
-+ sizeof(struct ip_set_iptree));
-+ return -ENOMEM;
-+ }
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = req->timeout;
-+ map->elements = 0;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptree *map)
-+{
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, ctree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, btree);
-+ LOOP_WALK_END;
-+ map->elements = 0;
-+}
-+
-+static void
-+iptree_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+iptree_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ unsigned int timeout = map->timeout;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = timeout;
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptree_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_req_iptree_create *header = data;
-+
-+ header->timeout = map->timeout;
-+}
-+
-+static int
-+iptree_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned int count = 0;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ count++;
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+
-+ DP("members %u", count);
-+ return (count * sizeof(struct ip_set_req_iptree));
-+}
-+
-+static void
-+iptree_list_members(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ size_t offset = 0;
-+ struct ip_set_req_iptree *entry;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
-+ entry = data + offset;
-+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ entry->timeout = !map->timeout ? 0
-+ : (dtree->expires[d] - jiffies)/HZ;
-+ offset += sizeof(struct ip_set_req_iptree);
-+ }
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+}
-+
-+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptree type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_iptree_init(void)
-+{
-+ int ret;
-+
-+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb));
-+ if (!branch_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed));
-+ if (!leaf_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
-+ ret = -ENOMEM;
-+ goto free_branch;
-+ }
-+ ret = ip_set_register_set_type(&ip_set_iptree);
-+ if (ret == 0)
-+ goto out;
-+
-+ kmem_cache_destroy(leaf_cachep);
-+ free_branch:
-+ kmem_cache_destroy(branch_cachep);
-+ out:
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptree_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iptree);
-+ kmem_cache_destroy(leaf_cachep);
-+ kmem_cache_destroy(branch_cachep);
-+}
-+
-+module_init(ip_set_iptree_init);
-+module_exit(ip_set_iptree_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptreemap.c
-@@ -0,0 +1,708 @@
-+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ */
-+
-+/* This modules implements the iptreemap ipset type. It uses bitmaps to
-+ * represent every single IPv4 address as a bit. The bitmaps are managed in a
-+ * tree structure, where the first three octets of an address are used as an
-+ * index to find the bitmap and the last octet is used as the bit number.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptreemap.h>
-+
-+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60)
-+#define IPTREEMAP_DESTROY_SLEEP (100)
-+
-+static __KMEM_CACHE_T__ *cachep_b;
-+static __KMEM_CACHE_T__ *cachep_c;
-+static __KMEM_CACHE_T__ *cachep_d;
-+
-+static struct ip_set_iptreemap_d *fullbitmap_d;
-+static struct ip_set_iptreemap_c *fullbitmap_c;
-+static struct ip_set_iptreemap_b *fullbitmap_b;
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a, b, c, d, addr) \
-+ do { \
-+ a = ((unsigned char *)addr)[3]; \
-+ b = ((unsigned char *)addr)[2]; \
-+ c = ((unsigned char *)addr)[1]; \
-+ d = ((unsigned char *)addr)[0]; \
-+ } while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) \
-+ return 0; \
-+ else if (branch == full) \
-+ return 1; \
-+ } while (0)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ } else if (branch == full) { \
-+ return -EEXIST; \
-+ } \
-+ } while (0)
-+
-+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch != full) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch) \
-+ free(branch); \
-+ (map)->tree[a] = full; \
-+ continue; \
-+ } else if (!branch) { \
-+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define ADDIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ return -EEXIST; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*full)); \
-+ (map)->tree[elem] = branch; \
-+ } \
-+ } while (0)
-+
-+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch != full) \
-+ free(branch); \
-+ (map)->tree[a] = NULL; \
-+ continue; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define DELIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue;
-+
-+#define LOOP_WALK_END() \
-+ }
-+
-+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \
-+ count = -256; \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue; \
-+ count++; \
-+ if (branch == full) { \
-+ count++; \
-+ continue; \
-+ }
-+
-+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \
-+ if (-256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = NULL; \
-+ } else if (256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = full; \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) { \
-+ if (inrange) { \
-+ count++; \
-+ inrange = 0; \
-+ } \
-+ continue; \
-+ } \
-+ branch = (map)->tree[i];
-+
-+#define LOOP_WALK_END_COUNT() \
-+ }
-+
-+#define GETVALUE1(a, a1, b1, r) \
-+ (a == a1 ? b1 : r)
-+
-+#define GETVALUE2(a, b, a1, b1, c1, r) \
-+ (a == a1 && b == b1 ? c1 : r)
-+
-+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \
-+ (a == a1 && b == b1 && c == c1 ? d1 : r)
-+
-+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE1(a, a1, b1, 0) == 0 \
-+ && GETVALUE1(a, a2, b2, 255) == 255 \
-+ && c1 == 0 \
-+ && c2 == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \
-+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \
-+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \
-+ )
-+
-+
-+static inline void
-+free_d(struct ip_set_iptreemap_d *map)
-+{
-+ kmem_cache_free(cachep_d, map);
-+}
-+
-+static inline void
-+free_c(struct ip_set_iptreemap_c *map)
-+{
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, dtree) {
-+ if (dtree != fullbitmap_d)
-+ free_d(dtree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_c, map);
-+}
-+
-+static inline void
-+free_b(struct ip_set_iptreemap_b *map)
-+{
-+ struct ip_set_iptreemap_c *ctree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, ctree) {
-+ if (ctree != fullbitmap_c)
-+ free_c(ctree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_b, map);
-+}
-+
-+static inline int
-+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ TESTIP_WALK(map, a, btree, fullbitmap_b);
-+ TESTIP_WALK(btree, b, ctree, fullbitmap_c);
-+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d);
-+
-+ return !!test_bit(d, (void *) dtree->bitmap);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptreemap, test)
-+KADT(iptreemap, test, ipaddr)
-+
-+static inline int
-+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d);
-+
-+ if (__test_and_set_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __addip_single(set, hash_ip, start);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) {
-+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) {
-+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __set_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end))
-+KADT(iptreemap, add, ipaddr, ip)
-+
-+static inline int
-+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags);
-+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags);
-+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags);
-+
-+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __delip_single(set, hash_ip, start, flags);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) {
-+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) {
-+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __clear_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL)
-+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC)
-+
-+/* Check the status of the bitmap
-+ * -1 == all bits cleared
-+ * 1 == all bits set
-+ * 0 == anything else
-+ */
-+static inline int
-+bitmap_status(struct ip_set_iptreemap_d *dtree)
-+{
-+ unsigned char first = dtree->bitmap[0];
-+ int a;
-+
-+ for (a = 1; a < 32; a++)
-+ if (dtree->bitmap[a] != first)
-+ return 0;
-+
-+ return (first == 0 ? -1 : (first == 255 ? 1 : 0));
-+}
-+
-+static void
-+gc(unsigned long addr)
-+{
-+ struct ip_set *set = (struct ip_set *) addr;
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c;
-+ int i, j, k;
-+
-+ write_lock_bh(&set->lock);
-+
-+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) {
-+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) {
-+ if (!__test_and_clear_bit(b, (void *) btree->dirty))
-+ continue;
-+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) {
-+ switch (bitmap_status(dtree)) {
-+ case -1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = NULL;
-+ k--;
-+ break;
-+ case 1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = fullbitmap_d;
-+ k++;
-+ break;
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k);
-+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j);
-+
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptreemap_create *req = data;
-+ struct ip_set_iptreemap *map;
-+
-+ map = kzalloc(sizeof(*map), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+
-+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptreemap *map)
-+{
-+ struct ip_set_iptreemap_b *btree;
-+ unsigned int a;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ if (btree != fullbitmap_b)
-+ free_b(btree);
-+ LOOP_WALK_END();
-+}
-+
-+static void
-+iptreemap_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void
-+iptreemap_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+
-+ memset(map, 0, sizeof(*map));
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptreemap_list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_req_iptreemap_create *header = data;
-+
-+ header->gc_interval = map->gc_interval;
-+}
-+
-+static int
-+iptreemap_list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0, count = 0;
-+
-+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ inrange = 1;
-+ } else if (inrange) {
-+ count++;
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+
-+ if (inrange)
-+ count++;
-+
-+ return (count * sizeof(struct ip_set_req_iptreemap));
-+}
-+
-+static inline u_int32_t
-+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_req_iptreemap *entry = data + offset;
-+
-+ entry->ip = start;
-+ entry->end = end;
-+
-+ return sizeof(*entry);
-+}
-+
-+static void
-+iptreemap_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0;
-+ size_t offset = 0;
-+ ip_set_ip_t start = 0, end = 0, ip;
-+
-+ LOOP_WALK_BEGIN(map, a, btree) {
-+ LOOP_WALK_BEGIN(btree, b, ctree) {
-+ LOOP_WALK_BEGIN(ctree, c, dtree) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ if (!inrange) {
-+ inrange = 1;
-+ start = ip;
-+ } else if (end < ip - 1) {
-+ offset += add_member(data, offset, start, end);
-+ start = ip;
-+ }
-+ end = ip;
-+ } else if (inrange) {
-+ offset += add_member(data, offset, start, end);
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+
-+ if (inrange)
-+ add_member(data, offset, start, end);
-+}
-+
-+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>");
-+MODULE_DESCRIPTION("iptreemap type of IP sets");
-+
-+static int __init ip_set_iptreemap_init(void)
-+{
-+ int ret = -ENOMEM;
-+ int a;
-+
-+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b",
-+ sizeof(struct ip_set_iptreemap_b));
-+ if (!cachep_b) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache");
-+ goto out;
-+ }
-+
-+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c",
-+ sizeof(struct ip_set_iptreemap_c));
-+ if (!cachep_c) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache");
-+ goto outb;
-+ }
-+
-+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d",
-+ sizeof(struct ip_set_iptreemap_d));
-+ if (!cachep_d) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache");
-+ goto outc;
-+ }
-+
-+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL);
-+ if (!fullbitmap_d)
-+ goto outd;
-+
-+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL);
-+ if (!fullbitmap_c)
-+ goto outbitmapd;
-+
-+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL);
-+ if (!fullbitmap_b)
-+ goto outbitmapc;
-+
-+ ret = ip_set_register_set_type(&ip_set_iptreemap);
-+ if (0 > ret)
-+ goto outbitmapb;
-+
-+ /* Now init our global bitmaps */
-+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap));
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_c->tree[a] = fullbitmap_d;
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_b->tree[a] = fullbitmap_c;
-+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty));
-+
-+ return 0;
-+
-+outbitmapb:
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+outbitmapc:
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+outbitmapd:
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+outd:
-+ kmem_cache_destroy(cachep_d);
-+outc:
-+ kmem_cache_destroy(cachep_c);
-+outb:
-+ kmem_cache_destroy(cachep_b);
-+out:
-+
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptreemap_fini(void)
-+{
-+ ip_set_unregister_set_type(&ip_set_iptreemap);
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+ kmem_cache_destroy(cachep_d);
-+ kmem_cache_destroy(cachep_c);
-+ kmem_cache_destroy(cachep_b);
-+}
-+
-+module_init(ip_set_iptreemap_init);
-+module_exit(ip_set_iptreemap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_macipmap.c
-@@ -0,0 +1,164 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the macipmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/if_ether.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
-+
-+static int
-+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ const struct ip_set_req_macipmap *req = data;
-+
-+ if (req->ip < map->first_ip || req->ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = req->ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));
-+ if (table[req->ip - map->first_ip].match) {
-+ return (memcmp(req->ethernet,
-+ &table[req->ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0);
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+static int
-+macipmap_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ ip_set_ip_t ip;
-+
-+ ip = ipaddr(skb, flags[index]);
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return 0;
-+
-+ *hash_ip = ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (table[ip - map->first_ip].match) {
-+ /* Is mac pointer valid?
-+ * If so, compare... */
-+ return (skb_mac_header(skb) >= skb->head
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data
-+ && (memcmp(eth_hdr(skb)->h_source,
-+ &table[ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0));
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+/* returns 0 on success */
-+static inline int
-+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, const unsigned char *ethernet)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
-+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET;
-+ return 0;
-+}
-+
-+#define KADT_CONDITION \
-+ if (!(skb_mac_header(skb) >= skb->head \
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\
-+ return -EINVAL;
-+
-+UADT(macipmap, add, req->ethernet)
-+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source)
-+
-+static inline int
-+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ table[ip - map->first_ip].match = 0;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return 0;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION
-+
-+UADT(macipmap, del)
-+KADT(macipmap, del, ipaddr)
-+
-+static inline int
-+__macipmap_create(const struct ip_set_req_macipmap_create *req,
-+ struct ip_set_macipmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->flags = req->flags;
-+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip);
-+}
-+
-+BITMAP_CREATE(macipmap)
-+BITMAP_DESTROY(macipmap)
-+BITMAP_FLUSH(macipmap)
-+
-+static inline void
-+__macipmap_list_header(const struct ip_set_macipmap *map,
-+ struct ip_set_req_macipmap_create *header)
-+{
-+ header->flags = map->flags;
-+}
-+
-+BITMAP_LIST_HEADER(macipmap)
-+BITMAP_LIST_MEMBERS_SIZE(macipmap)
-+BITMAP_LIST_MEMBERS(macipmap)
-+
-+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("macipmap type of IP sets");
-+
-+REGISTER_MODULE(macipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_nethash.c
-@@ -0,0 +1,225 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a cidr nethash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_nethash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+nethash_id_cidr(const struct ip_set_nethash *map,
-+ ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip,
-+ uint8_t cidr)
-+{
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ if (!*hash_ip)
-+ return MAX_RANGE;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+
-+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (nethash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+static int
-+nethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_nethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip)
-+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr));
-+}
-+
-+#define KADT_CONDITION
-+
-+KADT(nethash, test, ipaddr)
-+
-+static inline int
-+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ int ret;
-+
-+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ ret = __nethash_add(map, hash_ip);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_nethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31;
-+
-+UADT(nethash, add, req->cidr)
-+KADT(nethash, add, ipaddr, cidr)
-+
-+static inline void
-+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map)
-+{
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY(nethash, ip_set_ip_t)
-+
-+static inline int
-+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = nethash_id_cidr(map, hash_ip, ip, cidr);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+ return 0;
-+}
-+
-+UADT(nethash, del, req->cidr)
-+KADT(nethash, del, ipaddr, cidr)
-+
-+static inline int
-+__nethash_create(const struct ip_set_req_nethash_create *req,
-+ struct ip_set_nethash *map)
-+{
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(nethash, ip_set_ip_t)
-+HASH_DESTROY(nethash)
-+
-+HASH_FLUSH_CIDR(nethash, ip_set_ip_t)
-+
-+static inline void
-+__nethash_list_header(const struct ip_set_nethash *map,
-+ struct ip_set_req_nethash_create *header)
-+{
-+}
-+
-+HASH_LIST_HEADER(nethash)
-+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(nethash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("nethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(nethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_portmap.c
-@@ -0,0 +1,114 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a port set type as a bitmap */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_portmap.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static inline int
-+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port,
-+ ip_set_ip_t port)
-+{
-+ const struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_port = port;
-+ DP("set: %s, port:%u, %u", set->name, port, *hash_port);
-+ return !!test_bit(port - map->first_ip, map->members);
-+}
-+
-+#define KADT_CONDITION \
-+ if (ip == INVALID_PORT) \
-+ return 0;
-+
-+UADT(portmap, test)
-+KADT(portmap, test, get_port)
-+
-+static inline int
-+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (test_and_set_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, add)
-+KADT(portmap, add, get_port)
-+
-+static inline int
-+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, del)
-+KADT(portmap, del, get_port)
-+
-+static inline int
-+__portmap_create(const struct ip_set_req_portmap_create *req,
-+ struct ip_set_portmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ return bitmap_bytes(req->from, req->to);
-+}
-+
-+BITMAP_CREATE(portmap)
-+BITMAP_DESTROY(portmap)
-+BITMAP_FLUSH(portmap)
-+
-+static inline void
-+__portmap_list_header(const struct ip_set_portmap *map,
-+ struct ip_set_req_portmap_create *header)
-+{
-+}
-+
-+BITMAP_LIST_HEADER(portmap)
-+BITMAP_LIST_MEMBERS_SIZE(portmap)
-+BITMAP_LIST_MEMBERS(portmap)
-+
-+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("portmap type of IP sets");
-+
-+REGISTER_MODULE(portmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_setlist.c
-@@ -0,0 +1,330 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the setlist type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_setlist.h>
-+
-+/*
-+ * before ==> index, ref
-+ * after ==> ref, index
-+ */
-+
-+static inline int
-+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ return i < map->size && map->index[i] == index;
-+}
-+
-+static int
-+setlist_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = 0;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return 0;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return 0;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before && map->index[i] == index) {
-+ res = next_index_eq(map, i + 1, ref);
-+ break;
-+ } else if (!req->before) {
-+ if ((ref == IP_SET_INVALID_ID
-+ && map->index[i] == index)
-+ || (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index))) {
-+ res = 1;
-+ break;
-+ }
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = 0;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res == 0; i++)
-+ res = ip_set_testip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ ip_set_id_t tmp;
-+ int j;
-+
-+ DP("i: %u, last %u\n", i, map->index[map->size - 1]);
-+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID)
-+ return -ERANGE;
-+
-+ for (j = i; j < map->size
-+ && index != IP_SET_INVALID_ID; j++) {
-+ tmp = map->index[j];
-+ map->index[j] = index;
-+ index = tmp;
-+ }
-+ return 0;
-+}
-+
-+static int
-+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -ERANGE;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ /* "Loop detection" */
-+ if (strcmp(s->type->typename, "setlist") == 0)
-+ goto finish;
-+
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID) {
-+ res = -EEXIST;
-+ goto finish;
-+ }
-+ }
-+ for (i = 0; i < map->size; i++) {
-+ if (map->index[i] != ref)
-+ continue;
-+ if (req->before)
-+ res = insert_setlist(map, i, index);
-+ else
-+ res = insert_setlist(map,
-+ ref == IP_SET_INVALID_ID ? i : i + 1,
-+ index);
-+ break;
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+ /* In case of success, we keep the reference to the set */
-+finish:
-+ if (res != 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kadd(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_addip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+unshift_setlist(struct ip_set_setlist *map, int i)
-+{
-+ int j;
-+
-+ for (j = i; j < map->size - 1; j++)
-+ map->index[j] = map->index[j+1];
-+ map->index[map->size-1] = IP_SET_INVALID_ID;
-+ return 0;
-+}
-+
-+static int
-+setlist_udel(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -EEXIST;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before) {
-+ if (map->index[i] == index
-+ && next_index_eq(map, i + 1, ref)) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (ref == IP_SET_INVALID_ID) {
-+ if (map->index[i] == index) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index)) {
-+ res = unshift_setlist(map, i + 1);
-+ break;
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ /* In case of success, release the reference to the set */
-+ if (res == 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kdel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_delip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static int
-+setlist_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ struct ip_set_setlist *map;
-+ const struct ip_set_req_setlist_create *req = data;
-+ int i;
-+
-+ map = kmalloc(sizeof(struct ip_set_setlist) +
-+ req->size * sizeof(ip_set_id_t), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+ map->size = req->size;
-+ for (i = 0; i < map->size; i++)
-+ map->index[i] = IP_SET_INVALID_ID;
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void
-+setlist_destroy(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++)
-+ __ip_set_put_byindex(map->index[i]);
-+
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+setlist_flush(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ __ip_set_put_byindex(map->index[i]);
-+ map->index[i] = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static void
-+setlist_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ struct ip_set_req_setlist_create *header = data;
-+
-+ header->size = map->size;
-+}
-+
-+static int
-+setlist_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+
-+ return map->size * sizeof(ip_set_id_t);
-+}
-+
-+static void
-+setlist_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size; i++)
-+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]);
-+}
-+
-+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("setlist type of IP sets");
-+
-+REGISTER_MODULE(setlist)
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_set.c
-@@ -0,0 +1,238 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module to match an IP set. */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_match ipt_register_match
-+#define xt_unregister_match ipt_unregister_match
-+#define xt_match ipt_match
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static inline int
-+match_set(const struct ipt_set_info *info,
-+ const struct sk_buff *skb,
-+ int inv)
-+{
-+ if (ip_set_testip_kernel(info->index, skb, info->flags))
-+ inv = !inv;
-+ return inv;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ const void *hdr,
-+ u_int16_t datalen,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ bool *hotdrop)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct xt_match_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_match *info = matchinfo;
-+#else
-+ const struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+ return match_set(&info->match_set,
-+ skb,
-+ info->match_set.flags[0] & IPSET_MATCH_INV);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_ip *ip,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_mtchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return 0;
-+ }
-+#endif
-+
-+ index = ip_set_get_byindex(info->match_set.index);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("Cannot find set indentified by id %u to match",
-+ info->match_set.index);
-+ return 0; /* error */
-+ }
-+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_mtdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return;
-+ }
-+#endif
-+ ip_set_put_byindex(info->match_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .match = &match,
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .family = AF_INET,
-+ .match = &match,
-+ .matchsize = sizeof(struct ipt_set_info_match),
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set match module");
-+
-+static int __init ipt_ipset_init(void)
-+{
-+ return xt_register_match(&set_match);
-+}
-+
-+static void __exit ipt_ipset_fini(void)
-+{
-+ xt_unregister_match(&set_match);
-+}
-+
-+module_init(ipt_ipset_init);
-+module_exit(ipt_ipset_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_SET.c
-@@ -0,0 +1,242 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* ipt_SET.c - netfilter target to manipulate IP sets */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#include <linux/netfilter_ipv4.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_target ipt_register_target
-+#define xt_unregister_target ipt_unregister_target
-+#define xt_target ipt_target
-+#define XT_CONTINUE IPT_CONTINUE
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static unsigned int
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+target(struct sk_buff **pskb,
-+ unsigned int hooknum,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+target(struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+target(struct sk_buff *skb,
-+ const struct xt_target_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+ struct sk_buff *skb = *pskb;
-+#endif
-+
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_addip_kernel(info->add_set.index,
-+ skb,
-+ info->add_set.flags);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_delip_kernel(info->del_set.index,
-+ skb,
-+ info->del_set.flags);
-+
-+ return XT_CONTINUE;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_entry *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_tgchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targinfosize != IPT_ALIGN(sizeof(*info))) {
-+ DP("bad target info size %u", targinfosize);
-+ return 0;
-+ }
-+#endif
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->add_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find add_set index %u as target",
-+ info->add_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+
-+ if (info->del_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->del_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find del_set index %u as target",
-+ info->del_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0
-+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_tgdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targetinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) {
-+ ip_set_printk("invalid targetsize %d", targetsize);
-+ return;
-+ }
-+#endif
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->add_set.index);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->del_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .target = target,
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .family = AF_INET,
-+ .target = target,
-+ .targetsize = sizeof(struct ipt_set_info_target),
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set target module");
-+
-+static int __init ipt_SET_init(void)
-+{
-+ return xt_register_target(&SET_target);
-+}
-+
-+static void __exit ipt_SET_fini(void)
-+{
-+ xt_unregister_target(&SET_target);
-+}
-+
-+module_init(ipt_SET_init);
-+module_exit(ipt_SET_fini);
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -388,5 +388,146 @@ config IP_NF_ARP_MANGLE
-
- endif # IP_NF_ARPTABLES
-
-+config IP_NF_SET
-+ tristate "IP set support"
-+ depends on INET && NETFILTER
-+ help
-+ This option adds IP set support to the kernel.
-+ In order to define and use sets, you need the userspace utility
-+ ipset(8).
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MAX
-+ int "Maximum number of IP sets"
-+ default 256
-+ range 2 65534
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the maximum number
-+ of IP sets for the kernel.
-+
-+ The value can be overriden by the 'max_sets' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_HASHSIZE
-+ int "Hash size for bindings of IP sets"
-+ default 1024
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the hash size for
-+ bindings of IP sets.
-+
-+ The value can be overriden by the 'hash_size' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_IPMAP
-+ tristate "ipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MACIPMAP
-+ tristate "macipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the macipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_PORTMAP
-+ tristate "portmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the portmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPHASH
-+ tristate "iphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_NETHASH
-+ tristate "nethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the nethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTHASH
-+ tristate "ipporthash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipporthash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTIPHASH
-+ tristate "ipportiphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportiphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTNETHASH
-+ tristate "ipportnethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportnethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREE
-+ tristate "iptree set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptree set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREEMAP
-+ tristate "iptreemap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptreemap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_SETLIST
-+ tristate "setlist set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the setlist set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_MATCH_SET
-+ tristate "set match support"
-+ depends on IP_NF_SET
-+ help
-+ Set matching matches against given IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_TARGET_SET
-+ tristate "SET target support"
-+ depends on IP_NF_SET
-+ help
-+ The SET target makes possible to add/delete entries
-+ in IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+
- endmenu
-
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -51,6 +51,7 @@ obj-$(CONFIG_IP_NF_SECURITY) += iptable_
- obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
- obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
-+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
-
- # targets
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
-@@ -61,6 +62,21 @@ obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt
- obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o
- obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
- obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
-+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
-+
-+# sets
-+obj-$(CONFIG_IP_NF_SET) += ip_set.o
-+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
-+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
-+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
-+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
-+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o
-+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
-+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o
-+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o
-
- # generic ARP tables
- obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o
+++ /dev/null
---- a/include/linux/netfilter_ipv4/Kbuild
-+++ b/include/linux/netfilter_ipv4/Kbuild
-@@ -45,3 +45,20 @@ header-y += ipt_ttl.h
-
- unifdef-y += ip_queue.h
- unifdef-y += ip_tables.h
-+
-+unifdef-y += ip_set.h
-+header-y += ip_set_iphash.h
-+unifdef-y += ip_set_bitmaps.h
-+unifdef-y += ip_set_getport.h
-+unifdef-y += ip_set_hashes.h
-+header-y += ip_set_ipmap.h
-+header-y += ip_set_ipporthash.h
-+header-y += ip_set_ipportiphash.h
-+header-y += ip_set_ipportnethash.h
-+unifdef-y += ip_set_iptree.h
-+unifdef-y += ip_set_iptreemap.h
-+header-y += ip_set_jhash.h
-+header-y += ip_set_macipmap.h
-+header-y += ip_set_nethash.h
-+header-y += ip_set_portmap.h
-+header-y += ip_set_setlist.h
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set.h
-@@ -0,0 +1,574 @@
-+#ifndef _IP_SET_H
-+#define _IP_SET_H
-+
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#if 0
-+#define IP_SET_DEBUG
-+#endif
-+
-+/*
-+ * A sockopt of such quality has hardly ever been seen before on the open
-+ * market! This little beauty, hardly ever used: above 64, so it's
-+ * traditionally used for firewalling, not touched (even once!) by the
-+ * 2.0, 2.2 and 2.4 kernels!
-+ *
-+ * Comes with its own certificate of authenticity, valid anywhere in the
-+ * Free world!
-+ *
-+ * Rusty, 19.4.2000
-+ */
-+#define SO_IP_SET 83
-+
-+/*
-+ * Heavily modify by Joakim Axelsson 08.03.2002
-+ * - Made it more modulebased
-+ *
-+ * Additional heavy modifications by Jozsef Kadlecsik 22.02.2004
-+ * - bindings added
-+ * - in order to "deal with" backward compatibility, renamed to ipset
-+ */
-+
-+/*
-+ * Used so that the kernel module and ipset-binary can match their versions
-+ */
-+#define IP_SET_PROTOCOL_VERSION 3
-+
-+#define IP_SET_MAXNAMELEN 32 /* set names and set typenames */
-+
-+/* Lets work with our own typedef for representing an IP address.
-+ * We hope to make the code more portable, possibly to IPv6...
-+ *
-+ * The representation works in HOST byte order, because most set types
-+ * will perform arithmetic operations and compare operations.
-+ *
-+ * For now the type is an uint32_t.
-+ *
-+ * Make sure to ONLY use the functions when translating and parsing
-+ * in order to keep the host byte order and make it more portable:
-+ * parse_ip()
-+ * parse_mask()
-+ * parse_ipandmask()
-+ * ip_tostring()
-+ * (Joakim: where are they???)
-+ */
-+
-+typedef uint32_t ip_set_ip_t;
-+
-+/* Sets are identified by an id in kernel space. Tweak with ip_set_id_t
-+ * and IP_SET_INVALID_ID if you want to increase the max number of sets.
-+ */
-+typedef uint16_t ip_set_id_t;
-+
-+#define IP_SET_INVALID_ID 65535
-+
-+/* How deep we follow bindings */
-+#define IP_SET_MAX_BINDINGS 6
-+
-+/*
-+ * Option flags for kernel operations (ipt_set_info)
-+ */
-+#define IPSET_SRC 0x01 /* Source match/add */
-+#define IPSET_DST 0x02 /* Destination match/add */
-+#define IPSET_MATCH_INV 0x04 /* Inverse matching */
-+
-+/*
-+ * Set features
-+ */
-+#define IPSET_TYPE_IP 0x01 /* IP address type of set */
-+#define IPSET_TYPE_PORT 0x02 /* Port type of set */
-+#define IPSET_DATA_SINGLE 0x04 /* Single data storage */
-+#define IPSET_DATA_DOUBLE 0x08 /* Double data storage */
-+#define IPSET_DATA_TRIPLE 0x10 /* Triple data storage */
-+#define IPSET_TYPE_IP1 0x20 /* IP address type of set */
-+#define IPSET_TYPE_SETNAME 0x40 /* setname type of set */
-+
-+/* Reserved keywords */
-+#define IPSET_TOKEN_DEFAULT ":default:"
-+#define IPSET_TOKEN_ALL ":all:"
-+
-+/* SO_IP_SET operation constants, and their request struct types.
-+ *
-+ * Operation ids:
-+ * 0-99: commands with version checking
-+ * 100-199: add/del/test/bind/unbind
-+ * 200-299: list, save, restore
-+ */
-+
-+/* Single shot operations:
-+ * version, create, destroy, flush, rename and swap
-+ *
-+ * Sets are identified by name.
-+ */
-+
-+#define IP_SET_REQ_STD \
-+ unsigned op; \
-+ unsigned version; \
-+ char name[IP_SET_MAXNAMELEN]
-+
-+#define IP_SET_OP_CREATE 0x00000001 /* Create a new (empty) set */
-+struct ip_set_req_create {
-+ IP_SET_REQ_STD;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_DESTROY 0x00000002 /* Remove a (empty) set */
-+struct ip_set_req_std {
-+ IP_SET_REQ_STD;
-+};
-+
-+#define IP_SET_OP_FLUSH 0x00000003 /* Remove all IPs in a set */
-+/* Uses ip_set_req_std */
-+
-+#define IP_SET_OP_RENAME 0x00000004 /* Rename a set */
-+/* Uses ip_set_req_create */
-+
-+#define IP_SET_OP_SWAP 0x00000005 /* Swap two sets */
-+/* Uses ip_set_req_create */
-+
-+union ip_set_name_index {
-+ char name[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+};
-+
-+#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
-+struct ip_set_req_get_set {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+};
-+
-+#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
-+/* Uses ip_set_req_get_set */
-+
-+#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
-+struct ip_set_req_version {
-+ unsigned op;
-+ unsigned version;
-+};
-+
-+/* Double shots operations:
-+ * add, del, test, bind and unbind.
-+ *
-+ * First we query the kernel to get the index and type of the target set,
-+ * then issue the command. Validity of IP is checked in kernel in order
-+ * to minimalize sockopt operations.
-+ */
-+
-+/* Get minimal set data for add/del/test/bind/unbind IP */
-+#define IP_SET_OP_ADT_GET 0x00000010 /* Get set and type */
-+struct ip_set_req_adt_get {
-+ unsigned op;
-+ unsigned version;
-+ union ip_set_name_index set;
-+ char typename[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_REQ_BYINDEX \
-+ unsigned op; \
-+ ip_set_id_t index;
-+
-+struct ip_set_req_adt {
-+ IP_SET_REQ_BYINDEX;
-+};
-+
-+#define IP_SET_OP_ADD_IP 0x00000101 /* Add an IP to a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_DEL_IP 0x00000102 /* Remove an IP from a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_TEST_IP 0x00000103 /* Test an IP in a set */
-+/* Uses ip_set_req_adt, with type specific addage */
-+
-+#define IP_SET_OP_BIND_SET 0x00000104 /* Bind an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+struct ip_set_req_bind {
-+ IP_SET_REQ_BYINDEX;
-+ char binding[IP_SET_MAXNAMELEN];
-+};
-+
-+#define IP_SET_OP_UNBIND_SET 0x00000105 /* Unbind an IP from a set */
-+/* Uses ip_set_req_bind, with type speficic addage
-+ * index = 0 means unbinding for all sets */
-+
-+#define IP_SET_OP_TEST_BIND_SET 0x00000106 /* Test binding an IP to a set */
-+/* Uses ip_set_req_bind, with type specific addage */
-+
-+/* Multiple shots operations: list, save, restore.
-+ *
-+ * - check kernel version and query the max number of sets
-+ * - get the basic information on all sets
-+ * and size required for the next step
-+ * - get actual set data: header, data, bindings
-+ */
-+
-+/* Get max_sets and the index of a queried set
-+ */
-+#define IP_SET_OP_MAX_SETS 0x00000020
-+struct ip_set_req_max_sets {
-+ unsigned op;
-+ unsigned version;
-+ ip_set_id_t max_sets; /* max_sets */
-+ ip_set_id_t sets; /* real number of sets */
-+ union ip_set_name_index set; /* index of set if name used */
-+};
-+
-+/* Get the id and name of the sets plus size for next step */
-+#define IP_SET_OP_LIST_SIZE 0x00000201
-+#define IP_SET_OP_SAVE_SIZE 0x00000202
-+struct ip_set_req_setnames {
-+ unsigned op;
-+ ip_set_id_t index; /* set to list/save */
-+ u_int32_t size; /* size to get setdata/bindings */
-+ /* followed by sets number of struct ip_set_name_list */
-+};
-+
-+struct ip_set_name_list {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ ip_set_id_t id;
-+};
-+
-+/* The actual list operation */
-+#define IP_SET_OP_LIST 0x00000203
-+struct ip_set_req_list {
-+ IP_SET_REQ_BYINDEX;
-+ /* sets number of struct ip_set_list in reply */
-+};
-+
-+struct ip_set_list {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t ref;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+ u_int32_t bindings_size;/* Set bindings data of bindings_size */
-+};
-+
-+struct ip_set_hash_list {
-+ ip_set_ip_t ip;
-+ ip_set_id_t binding;
-+};
-+
-+/* The save operation */
-+#define IP_SET_OP_SAVE 0x00000204
-+/* Uses ip_set_req_list, in the reply replaced by
-+ * sets number of struct ip_set_save plus a marker
-+ * ip_set_save followed by ip_set_hash_save structures.
-+ */
-+struct ip_set_save {
-+ ip_set_id_t index;
-+ ip_set_id_t binding;
-+ u_int32_t header_size; /* Set header data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+/* At restoring, ip == 0 means default binding for the given set: */
-+struct ip_set_hash_save {
-+ ip_set_ip_t ip;
-+ ip_set_id_t id;
-+ ip_set_id_t binding;
-+};
-+
-+/* The restore operation */
-+#define IP_SET_OP_RESTORE 0x00000205
-+/* Uses ip_set_req_setnames followed by ip_set_restore structures
-+ * plus a marker ip_set_restore, followed by ip_set_hash_save
-+ * structures.
-+ */
-+struct ip_set_restore {
-+ char name[IP_SET_MAXNAMELEN];
-+ char typename[IP_SET_MAXNAMELEN];
-+ ip_set_id_t index;
-+ u_int32_t header_size; /* Create data of header_size */
-+ u_int32_t members_size; /* Set members data of members_size */
-+};
-+
-+static inline int bitmap_bytes(ip_set_ip_t a, ip_set_ip_t b)
-+{
-+ return 4 * ((((b - a + 8) / 8) + 3) / 4);
-+}
-+
-+/* General limit for the elements in a set */
-+#define MAX_RANGE 0x0000FFFF
-+
-+#ifdef __KERNEL__
-+#include <linux/netfilter_ipv4/ip_set_compat.h>
-+#include <linux/netfilter_ipv4/ip_set_malloc.h>
-+
-+#define ip_set_printk(format, args...) \
-+ do { \
-+ printk("%s: %s: ", __FILE__, __FUNCTION__); \
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+
-+#if defined(IP_SET_DEBUG)
-+#define DP(format, args...) \
-+ do { \
-+ printk("%s: %s (DBG): ", __FILE__, __FUNCTION__);\
-+ printk(format "\n" , ## args); \
-+ } while (0)
-+#define IP_SET_ASSERT(x) \
-+ do { \
-+ if (!(x)) \
-+ printk("IP_SET_ASSERT: %s:%i(%s)\n", \
-+ __FILE__, __LINE__, __FUNCTION__); \
-+ } while (0)
-+#else
-+#define DP(format, args...)
-+#define IP_SET_ASSERT(x)
-+#endif
-+
-+struct ip_set;
-+
-+/*
-+ * The ip_set_type definition - one per set type, e.g. "ipmap".
-+ *
-+ * Each individual set has a pointer, set->type, going to one
-+ * of these structures. Function pointers inside the structure implement
-+ * the real behaviour of the sets.
-+ *
-+ * If not mentioned differently, the implementation behind the function
-+ * pointers of a set_type, is expected to return 0 if ok, and a negative
-+ * errno (e.g. -EINVAL) on error.
-+ */
-+struct ip_set_type {
-+ struct list_head list; /* next in list of set types */
-+
-+ /* test for IP in set (kernel: iptables -m set src|dst)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* test for IP in set (userspace: ipset -T set IP)
-+ * return 0 if not in set, 1 if in set.
-+ */
-+ int (*testip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /*
-+ * Size of the data structure passed by when
-+ * adding/deletin/testing an entry.
-+ */
-+ u_int32_t reqsize;
-+
-+ /* Add IP into set (userspace: ipset -A set IP)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* Add IP into set (kernel: iptables ... -j SET set src|dst)
-+ * Return -EEXIST if the address is already in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address was not already in the set, 0 is returned.
-+ */
-+ int (*addip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* remove IP from set (userspace: ipset -D set --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip) (struct ip_set *set,
-+ const void *data, u_int32_t size,
-+ ip_set_ip_t *ip);
-+
-+ /* remove IP from set (kernel: iptables ... -j SET --entry x)
-+ * Return -EEXIST if the address is NOT in the set,
-+ * and -ERANGE if the address lies outside the set bounds.
-+ * If the address really was in the set, 0 is returned.
-+ */
-+ int (*delip_kernel) (struct ip_set *set,
-+ const struct sk_buff * skb,
-+ ip_set_ip_t *ip,
-+ const u_int32_t *flags,
-+ unsigned char index);
-+
-+ /* new set creation - allocated type specific items
-+ */
-+ int (*create) (struct ip_set *set,
-+ const void *data, u_int32_t size);
-+
-+ /* retry the operation after successfully tweaking the set
-+ */
-+ int (*retry) (struct ip_set *set);
-+
-+ /* set destruction - free type specific items
-+ * There is no return value.
-+ * Can be called only when child sets are destroyed.
-+ */
-+ void (*destroy) (struct ip_set *set);
-+
-+ /* set flushing - reset all bits in the set, or something similar.
-+ * There is no return value.
-+ */
-+ void (*flush) (struct ip_set *set);
-+
-+ /* Listing: size needed for header
-+ */
-+ u_int32_t header_size;
-+
-+ /* Listing: Get the header
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_header_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_header) (const struct ip_set *set,
-+ void *data);
-+
-+ /* Listing: Get the size for the set members
-+ */
-+ int (*list_members_size) (const struct ip_set *set);
-+
-+ /* Listing: Get the set members
-+ *
-+ * Fill in the information in "data".
-+ * This function is always run after list_member_size() under a
-+ * writelock on the set. Therefor is the length of "data" always
-+ * correct.
-+ */
-+ void (*list_members) (const struct ip_set *set,
-+ void *data);
-+
-+ char typename[IP_SET_MAXNAMELEN];
-+ unsigned char features;
-+ int protocol_version;
-+
-+ /* Set this to THIS_MODULE if you are a module, otherwise NULL */
-+ struct module *me;
-+};
-+
-+extern int ip_set_register_set_type(struct ip_set_type *set_type);
-+extern void ip_set_unregister_set_type(struct ip_set_type *set_type);
-+
-+/* A generic ipset */
-+struct ip_set {
-+ char name[IP_SET_MAXNAMELEN]; /* the name of the set */
-+ rwlock_t lock; /* lock for concurrency control */
-+ ip_set_id_t id; /* set id for swapping */
-+ ip_set_id_t binding; /* default binding for the set */
-+ atomic_t ref; /* in kernel and in hash references */
-+ struct ip_set_type *type; /* the set types */
-+ void *data; /* pooltype specific data */
-+};
-+
-+/* Structure to bind set elements to sets */
-+struct ip_set_hash {
-+ struct list_head list; /* list of clashing entries in hash */
-+ ip_set_ip_t ip; /* ip from set */
-+ ip_set_id_t id; /* set id */
-+ ip_set_id_t binding; /* set we bind the element to */
-+};
-+
-+/* register and unregister set references */
-+extern ip_set_id_t ip_set_get_byname(const char name[IP_SET_MAXNAMELEN]);
-+extern ip_set_id_t ip_set_get_byindex(ip_set_id_t index);
-+extern void ip_set_put_byindex(ip_set_id_t index);
-+extern ip_set_id_t ip_set_id(ip_set_id_t index);
-+extern ip_set_id_t __ip_set_get_byname(const char name[IP_SET_MAXNAMELEN],
-+ struct ip_set **set);
-+extern void __ip_set_put_byindex(ip_set_id_t index);
-+
-+/* API for iptables set match, and SET target */
-+extern int ip_set_addip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_delip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+extern int ip_set_testip_kernel(ip_set_id_t id,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags);
-+
-+/* Macros to generate functions */
-+
-+#define STRUCT(pre, type) CONCAT2(pre, type)
-+#define CONCAT2(pre, type) struct pre##type
-+
-+#define FNAME(pre, mid, post) CONCAT3(pre, mid, post)
-+#define CONCAT3(pre, mid, post) pre##mid##post
-+
-+#define UADT0(type, adt, args...) \
-+static int \
-+FNAME(type,_u,adt)(struct ip_set *set, const void *data, u_int32_t size,\
-+ ip_set_ip_t *hash_ip) \
-+{ \
-+ const STRUCT(ip_set_req_,type) *req = data; \
-+ \
-+ return FNAME(type,_,adt)(set, hash_ip , ## args); \
-+}
-+
-+#define UADT(type, adt, args...) \
-+ UADT0(type, adt, req->ip , ## args)
-+
-+#define KADT(type, adt, getfn, args...) \
-+static int \
-+FNAME(type,_k,adt)(struct ip_set *set, \
-+ const struct sk_buff *skb, \
-+ ip_set_ip_t *hash_ip, \
-+ const u_int32_t *flags, \
-+ unsigned char index) \
-+{ \
-+ ip_set_ip_t ip = getfn(skb, flags[index]); \
-+ \
-+ KADT_CONDITION \
-+ return FNAME(type,_,adt)(set, hash_ip, ip , ##args); \
-+}
-+
-+#define REGISTER_MODULE(type) \
-+static int __init ip_set_##type##_init(void) \
-+{ \
-+ init_max_page_size(); \
-+ return ip_set_register_set_type(&ip_set_##type); \
-+} \
-+ \
-+static void __exit ip_set_##type##_fini(void) \
-+{ \
-+ /* FIXME: possible race with ip_set_create() */ \
-+ ip_set_unregister_set_type(&ip_set_##type); \
-+} \
-+ \
-+module_init(ip_set_##type##_init); \
-+module_exit(ip_set_##type##_fini);
-+
-+/* Common functions */
-+
-+static inline ip_set_ip_t
-+ipaddr(const struct sk_buff *skb, u_int32_t flag)
-+{
-+ return ntohl(flag & IPSET_SRC ? ip_hdr(skb)->saddr : ip_hdr(skb)->daddr);
-+}
-+
-+#define jhash_ip(map, i, ip) jhash_1word(ip, *(map->initval + i))
-+
-+#define pack_ip_port(map, ip, port) \
-+ (port + ((ip - ((map)->first_ip)) << 16))
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_bitmaps.h
-@@ -0,0 +1,121 @@
-+#ifndef __IP_SET_BITMAPS_H
-+#define __IP_SET_BITMAPS_H
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define BITMAP_CREATE(type) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ int newbytes; \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ \
-+ if (req->from > req->to) { \
-+ DP("bad range"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type)); \
-+ return -ENOMEM; \
-+ } \
-+ map->first_ip = req->from; \
-+ map->last_ip = req->to; \
-+ \
-+ newbytes = __##type##_create(req, map); \
-+ if (newbytes < 0) { \
-+ kfree(map); \
-+ return newbytes; \
-+ } \
-+ \
-+ map->size = newbytes; \
-+ map->members = ip_set_malloc(newbytes); \
-+ if (!map->members) { \
-+ DP("out of memory for %i bytes", newbytes); \
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ memset(map->members, 0, newbytes); \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define BITMAP_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ ip_set_free(map->members, map->size); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define BITMAP_FLUSH(type) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ memset(map->members, 0, map->size); \
-+}
-+
-+#define BITMAP_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->from = map->first_ip; \
-+ header->to = map->last_ip; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define BITMAP_LIST_MEMBERS_SIZE(type) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return map->size; \
-+}
-+
-+#define BITMAP_LIST_MEMBERS(type) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ memcpy(data, map->members, map->size); \
-+}
-+
-+#define IP_SET_TYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+#endif /* __KERNEL */
-+
-+#endif /* __IP_SET_BITMAPS_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_compat.h
-@@ -0,0 +1,71 @@
-+#ifndef _IP_SET_COMPAT_H
-+#define _IP_SET_COMPAT_H
-+
-+#ifdef __KERNEL__
-+#include <linux/version.h>
-+
-+/* Arrgh */
-+#ifdef MODULE
-+#define __MOD_INC(foo) __MOD_INC_USE_COUNT(foo)
-+#define __MOD_DEC(foo) __MOD_DEC_USE_COUNT(foo)
-+#else
-+#define __MOD_INC(foo) 1
-+#define __MOD_DEC(foo)
-+#endif
-+
-+/* Backward compatibility */
-+#ifndef __nocast
-+#define __nocast
-+#endif
-+#ifndef __bitwise__
-+#define __bitwise__
-+#endif
-+
-+/* Compatibility glue code */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#include <linux/interrupt.h>
-+#define DEFINE_RWLOCK(x) rwlock_t x = RW_LOCK_UNLOCKED
-+#define try_module_get(x) __MOD_INC(x)
-+#define module_put(x) __MOD_DEC(x)
-+#define __clear_bit(nr, addr) clear_bit(nr, addr)
-+#define __set_bit(nr, addr) set_bit(nr, addr)
-+#define __test_and_set_bit(nr, addr) test_and_set_bit(nr, addr)
-+#define __test_and_clear_bit(nr, addr) test_and_clear_bit(nr, addr)
-+
-+typedef unsigned __bitwise__ gfp_t;
-+
-+static inline void *kzalloc(size_t size, gfp_t flags)
-+{
-+ void *data = kmalloc(size, flags);
-+
-+ if (data)
-+ memset(data, 0, size);
-+
-+ return data;
-+}
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)
-+#define __KMEM_CACHE_T__ kmem_cache_t
-+#else
-+#define __KMEM_CACHE_T__ struct kmem_cache
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
-+#define ip_hdr(skb) ((skb)->nh.iph)
-+#define skb_mac_header(skb) ((skb)->mac.raw)
-+#define eth_hdr(skb) ((struct ethhdr *)skb_mac_header(skb))
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+#include <linux/netfilter.h>
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL, NULL)
-+#else
-+#define KMEM_CACHE_CREATE(name, size) \
-+ kmem_cache_create(name, size, 0, 0, NULL)
-+#endif
-+
-+
-+#endif /* __KERNEL__ */
-+#endif /* _IP_SET_COMPAT_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_getport.h
-@@ -0,0 +1,48 @@
-+#ifndef _IP_SET_GETPORT_H
-+#define _IP_SET_GETPORT_H
-+
-+#ifdef __KERNEL__
-+
-+#define INVALID_PORT (MAX_RANGE + 1)
-+
-+/* We must handle non-linear skbs */
-+static inline ip_set_ip_t
-+get_port(const struct sk_buff *skb, u_int32_t flags)
-+{
-+ struct iphdr *iph = ip_hdr(skb);
-+ u_int16_t offset = ntohs(iph->frag_off) & IP_OFFSET;
-+ switch (iph->protocol) {
-+ case IPPROTO_TCP: {
-+ struct tcphdr tcph;
-+
-+ /* See comments at tcp_match in ip_tables.c */
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &tcph, sizeof(tcph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ tcph.source : tcph.dest);
-+ }
-+ case IPPROTO_UDP: {
-+ struct udphdr udph;
-+
-+ if (offset)
-+ return INVALID_PORT;
-+
-+ if (skb_copy_bits(skb, ip_hdr(skb)->ihl*4, &udph, sizeof(udph)) < 0)
-+ /* No choice either */
-+ return INVALID_PORT;
-+
-+ return ntohs(flags & IPSET_SRC ?
-+ udph.source : udph.dest);
-+ }
-+ default:
-+ return INVALID_PORT;
-+ }
-+}
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_GETPORT_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_hashes.h
-@@ -0,0 +1,306 @@
-+#ifndef __IP_SET_HASHES_H
-+#define __IP_SET_HASHES_H
-+
-+#define initval_t uint32_t
-+
-+/* Macros to generate functions */
-+
-+#ifdef __KERNEL__
-+#define HASH_RETRY0(type, dtype, cond) \
-+static int \
-+type##_retry(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data, *tmp; \
-+ dtype *elem; \
-+ void *members; \
-+ u_int32_t i, hashsize = map->hashsize; \
-+ int res; \
-+ \
-+ if (map->resize == 0) \
-+ return -ERANGE; \
-+ \
-+ again: \
-+ res = 0; \
-+ \
-+ /* Calculate new hash size */ \
-+ hashsize += (hashsize * map->resize)/100; \
-+ if (hashsize == map->hashsize) \
-+ hashsize++; \
-+ \
-+ ip_set_printk("rehashing of set %s triggered: " \
-+ "hashsize grows from %lu to %lu", \
-+ set->name, \
-+ (long unsigned)map->hashsize, \
-+ (long unsigned)hashsize); \
-+ \
-+ tmp = kmalloc(sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t), GFP_ATOMIC); \
-+ if (!tmp) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + map->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->members = harray_malloc(hashsize, sizeof(dtype), GFP_ATOMIC);\
-+ if (!tmp->members) { \
-+ DP("out of memory for %zu bytes", hashsize * sizeof(dtype));\
-+ kfree(tmp); \
-+ return -ENOMEM; \
-+ } \
-+ tmp->hashsize = hashsize; \
-+ tmp->elements = 0; \
-+ tmp->probes = map->probes; \
-+ tmp->resize = map->resize; \
-+ memcpy(tmp->initval, map->initval, map->probes * sizeof(initval_t));\
-+ __##type##_retry(tmp, map); \
-+ \
-+ write_lock_bh(&set->lock); \
-+ map = set->data; /* Play safe */ \
-+ for (i = 0; i < map->hashsize && res == 0; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ if (cond) \
-+ res = __##type##_add(tmp, elem); \
-+ } \
-+ if (res) { \
-+ /* Failure, try again */ \
-+ write_unlock_bh(&set->lock); \
-+ harray_free(tmp->members); \
-+ kfree(tmp); \
-+ goto again; \
-+ } \
-+ \
-+ /* Success at resizing! */ \
-+ members = map->members; \
-+ \
-+ map->hashsize = tmp->hashsize; \
-+ map->members = tmp->members; \
-+ write_unlock_bh(&set->lock); \
-+ \
-+ harray_free(members); \
-+ kfree(tmp); \
-+ \
-+ return 0; \
-+}
-+
-+#define HASH_RETRY(type, dtype) \
-+ HASH_RETRY0(type, dtype, *elem)
-+
-+#define HASH_RETRY2(type, dtype) \
-+ HASH_RETRY0(type, dtype, elem->ip || elem->ip1)
-+
-+#define HASH_CREATE(type, dtype) \
-+static int \
-+type##_create(struct ip_set *set, const void *data, u_int32_t size) \
-+{ \
-+ const struct ip_set_req_##type##_create *req = data; \
-+ struct ip_set_##type *map; \
-+ uint16_t i; \
-+ \
-+ if (req->hashsize < 1) { \
-+ ip_set_printk("hashsize too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ if (req->probes < 1) { \
-+ ip_set_printk("probes too small"); \
-+ return -ENOEXEC; \
-+ } \
-+ \
-+ map = kmalloc(sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t), GFP_KERNEL); \
-+ if (!map) { \
-+ DP("out of memory for %zu bytes", \
-+ sizeof(struct ip_set_##type) \
-+ + req->probes * sizeof(initval_t)); \
-+ return -ENOMEM; \
-+ } \
-+ for (i = 0; i < req->probes; i++) \
-+ get_random_bytes(((initval_t *) map->initval)+i, 4); \
-+ map->elements = 0; \
-+ map->hashsize = req->hashsize; \
-+ map->probes = req->probes; \
-+ map->resize = req->resize; \
-+ if (__##type##_create(req, map)) { \
-+ kfree(map); \
-+ return -ENOEXEC; \
-+ } \
-+ map->members = harray_malloc(map->hashsize, sizeof(dtype), GFP_KERNEL);\
-+ if (!map->members) { \
-+ DP("out of memory for %zu bytes", map->hashsize * sizeof(dtype));\
-+ kfree(map); \
-+ return -ENOMEM; \
-+ } \
-+ \
-+ set->data = map; \
-+ return 0; \
-+}
-+
-+#define HASH_DESTROY(type) \
-+static void \
-+type##_destroy(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ \
-+ harray_free(map->members); \
-+ kfree(map); \
-+ \
-+ set->data = NULL; \
-+}
-+
-+#define HASH_FLUSH(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_FLUSH_CIDR(type, dtype) \
-+static void \
-+type##_flush(struct ip_set *set) \
-+{ \
-+ struct ip_set_##type *map = set->data; \
-+ harray_flush(map->members, map->hashsize, sizeof(dtype)); \
-+ memset(map->cidr, 0, sizeof(map->cidr)); \
-+ memset(map->nets, 0, sizeof(map->nets)); \
-+ map->elements = 0; \
-+}
-+
-+#define HASH_LIST_HEADER(type) \
-+static void \
-+type##_list_header(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ struct ip_set_req_##type##_create *header = data; \
-+ \
-+ header->hashsize = map->hashsize; \
-+ header->probes = map->probes; \
-+ header->resize = map->resize; \
-+ __##type##_list_header(map, header); \
-+}
-+
-+#define HASH_LIST_MEMBERS_SIZE(type, dtype) \
-+static int \
-+type##_list_members_size(const struct ip_set *set) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ \
-+ return (map->hashsize * sizeof(dtype)); \
-+}
-+
-+#define HASH_LIST_MEMBERS(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ ((dtype *)data)[i] = *elem; \
-+ } \
-+}
-+
-+#define HASH_LIST_MEMBERS_MEMCPY(type, dtype) \
-+static void \
-+type##_list_members(const struct ip_set *set, void *data) \
-+{ \
-+ const struct ip_set_##type *map = set->data; \
-+ dtype *elem; \
-+ uint32_t i; \
-+ \
-+ for (i = 0; i < map->hashsize; i++) { \
-+ elem = HARRAY_ELEM(map->members, dtype *, i); \
-+ memcpy((((dtype *)data)+i), elem, sizeof(dtype)); \
-+ } \
-+}
-+
-+#define IP_SET_RTYPE(type, __features) \
-+struct ip_set_type ip_set_##type = { \
-+ .typename = #type, \
-+ .features = __features, \
-+ .protocol_version = IP_SET_PROTOCOL_VERSION, \
-+ .create = &type##_create, \
-+ .retry = &type##_retry, \
-+ .destroy = &type##_destroy, \
-+ .flush = &type##_flush, \
-+ .reqsize = sizeof(struct ip_set_req_##type), \
-+ .addip = &type##_uadd, \
-+ .addip_kernel = &type##_kadd, \
-+ .delip = &type##_udel, \
-+ .delip_kernel = &type##_kdel, \
-+ .testip = &type##_utest, \
-+ .testip_kernel = &type##_ktest, \
-+ .header_size = sizeof(struct ip_set_req_##type##_create),\
-+ .list_header = &type##_list_header, \
-+ .list_members_size = &type##_list_members_size, \
-+ .list_members = &type##_list_members, \
-+ .me = THIS_MODULE, \
-+};
-+
-+/* Helper functions */
-+static inline void
-+add_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ uint8_t next;
-+ int i;
-+
-+ for (i = 0; i < 30 && cidr[i]; i++) {
-+ if (cidr[i] < size) {
-+ next = cidr[i];
-+ cidr[i] = size;
-+ size = next;
-+ }
-+ }
-+ if (i < 30)
-+ cidr[i] = size;
-+}
-+
-+static inline void
-+del_cidr_size(uint8_t *cidr, uint8_t size)
-+{
-+ int i;
-+
-+ for (i = 0; i < 29 && cidr[i]; i++) {
-+ if (cidr[i] == size)
-+ cidr[i] = size = cidr[i+1];
-+ }
-+ cidr[29] = 0;
-+}
-+#else
-+#include <arpa/inet.h>
-+#endif /* __KERNEL */
-+
-+#ifndef UINT16_MAX
-+#define UINT16_MAX 65535
-+#endif
-+
-+static unsigned char shifts[] = {255, 253, 249, 241, 225, 193, 129, 1};
-+
-+static inline ip_set_ip_t
-+pack_ip_cidr(ip_set_ip_t ip, unsigned char cidr)
-+{
-+ ip_set_ip_t addr, *paddr = &addr;
-+ unsigned char n, t, *a;
-+
-+ addr = htonl(ip & (0xFFFFFFFF << (32 - (cidr))));
-+#ifdef __KERNEL__
-+ DP("ip:%u.%u.%u.%u/%u", NIPQUAD(addr), cidr);
-+#endif
-+ n = cidr / 8;
-+ t = cidr % 8;
-+ a = &((unsigned char *)paddr)[n];
-+ *a = *a /(1 << (8 - t)) + shifts[t];
-+#ifdef __KERNEL__
-+ DP("n: %u, t: %u, a: %u", n, t, *a);
-+ DP("ip:%u.%u.%u.%u/%u, %u.%u.%u.%u",
-+ HIPQUAD(ip), cidr, NIPQUAD(addr));
-+#endif
-+
-+ return ntohl(addr);
-+}
-+
-+
-+#endif /* __IP_SET_HASHES_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iphash.h
-@@ -0,0 +1,30 @@
-+#ifndef __IP_SET_IPHASH_H
-+#define __IP_SET_IPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "iphash"
-+
-+struct ip_set_iphash {
-+ ip_set_ip_t *members; /* the iphash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t netmask; /* netmask */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_iphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_iphash {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_IPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipmap.h
-@@ -0,0 +1,57 @@
-+#ifndef __IP_SET_IPMAP_H
-+#define __IP_SET_IPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "ipmap"
-+
-+struct ip_set_ipmap {
-+ void *members; /* the ipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ ip_set_ip_t netmask; /* subnet netmask */
-+ ip_set_ip_t sizeid; /* size of set in IPs */
-+ ip_set_ip_t hosts; /* number of hosts in a subnet */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_ipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ ip_set_ip_t netmask;
-+};
-+
-+struct ip_set_req_ipmap {
-+ ip_set_ip_t ip;
-+};
-+
-+static inline unsigned int
-+mask_to_bits(ip_set_ip_t mask)
-+{
-+ unsigned int bits = 32;
-+ ip_set_ip_t maskaddr;
-+
-+ if (mask == 0xFFFFFFFF)
-+ return bits;
-+
-+ maskaddr = 0xFFFFFFFE;
-+ while (--bits > 0 && maskaddr != mask)
-+ maskaddr <<= 1;
-+
-+ return bits;
-+}
-+
-+static inline ip_set_ip_t
-+range_to_mask(ip_set_ip_t from, ip_set_ip_t to, unsigned int *bits)
-+{
-+ ip_set_ip_t mask = 0xFFFFFFFE;
-+
-+ *bits = 32;
-+ while (--(*bits) > 0 && mask && (to & mask) != from)
-+ mask <<= 1;
-+
-+ return mask;
-+}
-+
-+#endif /* __IP_SET_IPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipporthash.h
-@@ -0,0 +1,33 @@
-+#ifndef __IP_SET_IPPORTHASH_H
-+#define __IP_SET_IPPORTHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipporthash"
-+
-+struct ip_set_ipporthash {
-+ ip_set_ip_t *members; /* the ipporthash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipporthash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipporthash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+};
-+
-+#endif /* __IP_SET_IPPORTHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportiphash.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPPORTIPHASH_H
-+#define __IP_SET_IPPORTIPHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportiphash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportiphash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportiphash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportiphash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+};
-+
-+#endif /* __IP_SET_IPPORTIPHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_ipportnethash.h
-@@ -0,0 +1,42 @@
-+#ifndef __IP_SET_IPPORTNETHASH_H
-+#define __IP_SET_IPPORTNETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "ipportnethash"
-+
-+struct ipportip {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t ip1;
-+};
-+
-+struct ip_set_ipportnethash {
-+ struct ipportip *members; /* the ipportip proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_ipportnethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_ipportnethash {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t port;
-+ ip_set_ip_t ip1;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_IPPORTNETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptree.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_IPTREE_H
-+#define __IP_SET_IPTREE_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptree"
-+
-+struct ip_set_iptreed {
-+ unsigned long expires[256]; /* x.x.x.ADDR */
-+};
-+
-+struct ip_set_iptreec {
-+ struct ip_set_iptreed *tree[256]; /* x.x.ADDR.* */
-+};
-+
-+struct ip_set_iptreeb {
-+ struct ip_set_iptreec *tree[256]; /* x.ADDR.*.* */
-+};
-+
-+struct ip_set_iptree {
-+ unsigned int timeout;
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ uint32_t elements; /* number of elements */
-+ struct timer_list gc;
-+ struct ip_set_iptreeb *tree[256]; /* ADDR.*.*.* */
-+#endif
-+};
-+
-+struct ip_set_req_iptree_create {
-+ unsigned int timeout;
-+};
-+
-+struct ip_set_req_iptree {
-+ ip_set_ip_t ip;
-+ unsigned int timeout;
-+};
-+
-+#endif /* __IP_SET_IPTREE_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_iptreemap.h
-@@ -0,0 +1,40 @@
-+#ifndef __IP_SET_IPTREEMAP_H
-+#define __IP_SET_IPTREEMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "iptreemap"
-+
-+#ifdef __KERNEL__
-+struct ip_set_iptreemap_d {
-+ unsigned char bitmap[32]; /* x.x.x.y */
-+};
-+
-+struct ip_set_iptreemap_c {
-+ struct ip_set_iptreemap_d *tree[256]; /* x.x.y.x */
-+};
-+
-+struct ip_set_iptreemap_b {
-+ struct ip_set_iptreemap_c *tree[256]; /* x.y.x.x */
-+ unsigned char dirty[32];
-+};
-+#endif
-+
-+struct ip_set_iptreemap {
-+ unsigned int gc_interval;
-+#ifdef __KERNEL__
-+ struct timer_list gc;
-+ struct ip_set_iptreemap_b *tree[256]; /* y.x.x.x */
-+#endif
-+};
-+
-+struct ip_set_req_iptreemap_create {
-+ unsigned int gc_interval;
-+};
-+
-+struct ip_set_req_iptreemap {
-+ ip_set_ip_t ip;
-+ ip_set_ip_t end;
-+};
-+
-+#endif /* __IP_SET_IPTREEMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_jhash.h
-@@ -0,0 +1,157 @@
-+#ifndef _LINUX_JHASH_H
-+#define _LINUX_JHASH_H
-+
-+/* jhash.h: Jenkins hash support.
-+ *
-+ * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net)
-+ *
-+ * http://burtleburtle.net/bob/hash/
-+ *
-+ * These are the credits from Bob's sources:
-+ *
-+ * lookup3.c, by Bob Jenkins, May 2006, Public Domain.
-+ *
-+ * These are functions for producing 32-bit hashes for hash table lookup.
-+ * hashword(), hashlittle(), hashlittle2(), hashbig(), mix(), and final()
-+ * are externally useful functions. Routines to test the hash are included
-+ * if SELF_TEST is defined. You can use this free for any purpose. It's in
-+ * the public domain. It has no warranty.
-+ *
-+ * Copyright (C) 2009 Jozsef Kadlecsik (kadlec@blackhole.kfki.hu)
-+ *
-+ * I've modified Bob's hash to be useful in the Linux kernel, and
-+ * any bugs present are my fault. Jozsef
-+ */
-+
-+#define __rot(x,k) (((x)<<(k)) | ((x)>>(32-(k))))
-+
-+/* __jhash_mix - mix 3 32-bit values reversibly. */
-+#define __jhash_mix(a,b,c) \
-+{ \
-+ a -= c; a ^= __rot(c, 4); c += b; \
-+ b -= a; b ^= __rot(a, 6); a += c; \
-+ c -= b; c ^= __rot(b, 8); b += a; \
-+ a -= c; a ^= __rot(c,16); c += b; \
-+ b -= a; b ^= __rot(a,19); a += c; \
-+ c -= b; c ^= __rot(b, 4); b += a; \
-+}
-+
-+/* __jhash_final - final mixing of 3 32-bit values (a,b,c) into c */
-+#define __jhash_final(a,b,c) \
-+{ \
-+ c ^= b; c -= __rot(b,14); \
-+ a ^= c; a -= __rot(c,11); \
-+ b ^= a; b -= __rot(a,25); \
-+ c ^= b; c -= __rot(b,16); \
-+ a ^= c; a -= __rot(c,4); \
-+ b ^= a; b -= __rot(a,14); \
-+ c ^= b; c -= __rot(b,24); \
-+}
-+
-+/* The golden ration: an arbitrary value */
-+#define JHASH_GOLDEN_RATIO 0xdeadbeef
-+
-+/* The most generic version, hashes an arbitrary sequence
-+ * of bytes. No alignment or length assumptions are made about
-+ * the input key. The result depends on endianness.
-+ */
-+static inline u32 jhash(const void *key, u32 length, u32 initval)
-+{
-+ u32 a,b,c;
-+ const u8 *k = key;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + length + initval;
-+
-+ /* all but the last block: affect some 32 bits of (a,b,c) */
-+ while (length > 12) {
-+ a += (k[0] + ((u32)k[1]<<8) + ((u32)k[2]<<16) + ((u32)k[3]<<24));
-+ b += (k[4] + ((u32)k[5]<<8) + ((u32)k[6]<<16) + ((u32)k[7]<<24));
-+ c += (k[8] + ((u32)k[9]<<8) + ((u32)k[10]<<16) + ((u32)k[11]<<24));
-+ __jhash_mix(a, b, c);
-+ length -= 12;
-+ k += 12;
-+ }
-+
-+ /* last block: affect all 32 bits of (c) */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 12: c += (u32)k[11]<<24;
-+ case 11: c += (u32)k[10]<<16;
-+ case 10: c += (u32)k[9]<<8;
-+ case 9 : c += k[8];
-+ case 8 : b += (u32)k[7]<<24;
-+ case 7 : b += (u32)k[6]<<16;
-+ case 6 : b += (u32)k[5]<<8;
-+ case 5 : b += k[4];
-+ case 4 : a += (u32)k[3]<<24;
-+ case 3 : a += (u32)k[2]<<16;
-+ case 2 : a += (u32)k[1]<<8;
-+ case 1 : a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0 :
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special optimized version that handles 1 or more of u32s.
-+ * The length parameter here is the number of u32s in the key.
-+ */
-+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
-+{
-+ u32 a, b, c;
-+
-+ /* Set up the internal state */
-+ a = b = c = JHASH_GOLDEN_RATIO + (length<<2) + initval;
-+
-+ /* handle most of the key */
-+ while (length > 3) {
-+ a += k[0];
-+ b += k[1];
-+ c += k[2];
-+ __jhash_mix(a, b, c);
-+ length -= 3;
-+ k += 3;
-+ }
-+
-+ /* handle the last 3 u32's */
-+ /* all the case statements fall through */
-+ switch (length) {
-+ case 3: c += k[2];
-+ case 2: b += k[1];
-+ case 1: a += k[0];
-+ __jhash_final(a, b, c);
-+ case 0: /* case 0: nothing left to add */
-+ break;
-+ }
-+
-+ return c;
-+}
-+
-+/* A special ultra-optimized versions that knows they are hashing exactly
-+ * 3, 2 or 1 word(s).
-+ */
-+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
-+{
-+ a += JHASH_GOLDEN_RATIO + initval;
-+ b += JHASH_GOLDEN_RATIO + initval;
-+ c += JHASH_GOLDEN_RATIO + initval;
-+
-+ __jhash_final(a, b, c);
-+
-+ return c;
-+}
-+
-+static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
-+{
-+ return jhash_3words(0, a, b, initval);
-+}
-+
-+static inline u32 jhash_1word(u32 a, u32 initval)
-+{
-+ return jhash_3words(0, 0, a, initval);
-+}
-+
-+#endif /* _LINUX_JHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_macipmap.h
-@@ -0,0 +1,39 @@
-+#ifndef __IP_SET_MACIPMAP_H
-+#define __IP_SET_MACIPMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "macipmap"
-+
-+/* general flags */
-+#define IPSET_MACIP_MATCHUNSET 1
-+
-+/* per ip flags */
-+#define IPSET_MACIP_ISSET 1
-+
-+struct ip_set_macipmap {
-+ void *members; /* the macipmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t flags;
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_macipmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+ u_int32_t flags;
-+};
-+
-+struct ip_set_req_macipmap {
-+ ip_set_ip_t ip;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+struct ip_set_macip {
-+ unsigned short match;
-+ unsigned char ethernet[ETH_ALEN];
-+};
-+
-+#endif /* __IP_SET_MACIPMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_malloc.h
-@@ -0,0 +1,153 @@
-+#ifndef _IP_SET_MALLOC_H
-+#define _IP_SET_MALLOC_H
-+
-+#ifdef __KERNEL__
-+#include <linux/vmalloc.h>
-+
-+static size_t max_malloc_size = 0, max_page_size = 0;
-+static size_t default_max_malloc_size = 131072; /* Guaranteed: slab.c */
-+
-+static inline int init_max_page_size(void)
-+{
-+/* Compatibility glues to support 2.4.36 */
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+#define __GFP_NOWARN 0
-+
-+ /* Guaranteed: slab.c */
-+ max_malloc_size = max_page_size = default_max_malloc_size;
-+#else
-+ size_t page_size = 0;
-+
-+#define CACHE(x) if (max_page_size == 0 || x < max_page_size) \
-+ page_size = x;
-+#include <linux/kmalloc_sizes.h>
-+#undef CACHE
-+ if (page_size) {
-+ if (max_malloc_size == 0)
-+ max_malloc_size = page_size;
-+
-+ max_page_size = page_size;
-+
-+ return 1;
-+ }
-+#endif
-+ return 0;
-+}
-+
-+struct harray {
-+ size_t max_elements;
-+ void *arrays[0];
-+};
-+
-+static inline void *
-+__harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ struct harray *harray;
-+ size_t max_elements, size, i, j;
-+
-+ BUG_ON(max_page_size == 0);
-+
-+ if (typesize > max_page_size)
-+ return NULL;
-+
-+ max_elements = max_page_size/typesize;
-+ size = hashsize/max_elements;
-+ if (hashsize % max_elements)
-+ size++;
-+
-+ /* Last pointer signals end of arrays */
-+ harray = kmalloc(sizeof(struct harray) + (size + 1) * sizeof(void *),
-+ flags);
-+
-+ if (!harray)
-+ return NULL;
-+
-+ for (i = 0; i < size - 1; i++) {
-+ harray->arrays[i] = kmalloc(max_elements * typesize, flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, max_elements * typesize);
-+ }
-+ harray->arrays[i] = kmalloc((hashsize - i * max_elements) * typesize,
-+ flags);
-+ if (!harray->arrays[i])
-+ goto undo;
-+ memset(harray->arrays[i], 0, (hashsize - i * max_elements) * typesize);
-+
-+ harray->max_elements = max_elements;
-+ harray->arrays[size] = NULL;
-+
-+ return (void *)harray;
-+
-+ undo:
-+ for (j = 0; j < i; j++) {
-+ kfree(harray->arrays[j]);
-+ }
-+ kfree(harray);
-+ return NULL;
-+}
-+
-+static inline void *
-+harray_malloc(size_t hashsize, size_t typesize, gfp_t flags)
-+{
-+ void *harray;
-+
-+ do {
-+ harray = __harray_malloc(hashsize, typesize, flags|__GFP_NOWARN);
-+ } while (harray == NULL && init_max_page_size());
-+
-+ return harray;
-+}
-+
-+static inline void harray_free(void *h)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i] != NULL; i++)
-+ kfree(harray->arrays[i]);
-+ kfree(harray);
-+}
-+
-+static inline void harray_flush(void *h, size_t hashsize, size_t typesize)
-+{
-+ struct harray *harray = (struct harray *) h;
-+ size_t i;
-+
-+ for (i = 0; harray->arrays[i+1] != NULL; i++)
-+ memset(harray->arrays[i], 0, harray->max_elements * typesize);
-+ memset(harray->arrays[i], 0,
-+ (hashsize - i * harray->max_elements) * typesize);
-+}
-+
-+#define HARRAY_ELEM(h, type, which) \
-+({ \
-+ struct harray *__h = (struct harray *)(h); \
-+ ((type)((__h)->arrays[(which)/(__h)->max_elements]) \
-+ + (which)%(__h)->max_elements); \
-+})
-+
-+/* General memory allocation and deallocation */
-+static inline void * ip_set_malloc(size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ return vmalloc(bytes);
-+ else
-+ return kmalloc(bytes, GFP_KERNEL | __GFP_NOWARN);
-+}
-+
-+static inline void ip_set_free(void * data, size_t bytes)
-+{
-+ BUG_ON(max_malloc_size == 0);
-+
-+ if (bytes > default_max_malloc_size)
-+ vfree(data);
-+ else
-+ kfree(data);
-+}
-+
-+#endif /* __KERNEL__ */
-+
-+#endif /*_IP_SET_MALLOC_H*/
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_nethash.h
-@@ -0,0 +1,31 @@
-+#ifndef __IP_SET_NETHASH_H
-+#define __IP_SET_NETHASH_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_hashes.h>
-+
-+#define SETTYPE_NAME "nethash"
-+
-+struct ip_set_nethash {
-+ ip_set_ip_t *members; /* the nethash proper */
-+ uint32_t elements; /* number of elements */
-+ uint32_t hashsize; /* hash size */
-+ uint16_t probes; /* max number of probes */
-+ uint16_t resize; /* resize factor in percent */
-+ uint8_t cidr[30]; /* CIDR sizes */
-+ uint16_t nets[30]; /* nr of nets by CIDR sizes */
-+ initval_t initval[0]; /* initvals for jhash_1word */
-+};
-+
-+struct ip_set_req_nethash_create {
-+ uint32_t hashsize;
-+ uint16_t probes;
-+ uint16_t resize;
-+};
-+
-+struct ip_set_req_nethash {
-+ ip_set_ip_t ip;
-+ uint8_t cidr;
-+};
-+
-+#endif /* __IP_SET_NETHASH_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_portmap.h
-@@ -0,0 +1,25 @@
-+#ifndef __IP_SET_PORTMAP_H
-+#define __IP_SET_PORTMAP_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+
-+#define SETTYPE_NAME "portmap"
-+
-+struct ip_set_portmap {
-+ void *members; /* the portmap proper */
-+ ip_set_ip_t first_ip; /* host byte order, included in range */
-+ ip_set_ip_t last_ip; /* host byte order, included in range */
-+ u_int32_t size; /* size of the ipmap proper */
-+};
-+
-+struct ip_set_req_portmap_create {
-+ ip_set_ip_t from;
-+ ip_set_ip_t to;
-+};
-+
-+struct ip_set_req_portmap {
-+ ip_set_ip_t ip;
-+};
-+
-+#endif /* __IP_SET_PORTMAP_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ip_set_setlist.h
-@@ -0,0 +1,26 @@
-+#ifndef __IP_SET_SETLIST_H
-+#define __IP_SET_SETLIST_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+#define SETTYPE_NAME "setlist"
-+
-+#define IP_SET_SETLIST_ADD_AFTER 0
-+#define IP_SET_SETLIST_ADD_BEFORE 1
-+
-+struct ip_set_setlist {
-+ uint8_t size;
-+ ip_set_id_t index[0];
-+};
-+
-+struct ip_set_req_setlist_create {
-+ uint8_t size;
-+};
-+
-+struct ip_set_req_setlist {
-+ char name[IP_SET_MAXNAMELEN];
-+ char ref[IP_SET_MAXNAMELEN];
-+ uint8_t before;
-+};
-+
-+#endif /* __IP_SET_SETLIST_H */
---- /dev/null
-+++ b/include/linux/netfilter_ipv4/ipt_set.h
-@@ -0,0 +1,21 @@
-+#ifndef _IPT_SET_H
-+#define _IPT_SET_H
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+struct ipt_set_info {
-+ ip_set_id_t index;
-+ u_int32_t flags[IP_SET_MAX_BINDINGS + 1];
-+};
-+
-+/* match info */
-+struct ipt_set_info_match {
-+ struct ipt_set_info match_set;
-+};
-+
-+struct ipt_set_info_target {
-+ struct ipt_set_info add_set;
-+ struct ipt_set_info del_set;
-+};
-+
-+#endif /*_IPT_SET_H*/
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set.c
-@@ -0,0 +1,2076 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module for IP set management */
-+
-+#include <linux/version.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+#include <linux/config.h>
-+#endif
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/kmod.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/random.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <linux/capability.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27)
-+#include <asm/semaphore.h>
-+#else
-+#include <linux/semaphore.h>
-+#endif
-+#include <linux/spinlock.h>
-+
-+#define ASSERT_READ_LOCK(x)
-+#define ASSERT_WRITE_LOCK(x)
-+#include <linux/netfilter.h>
-+#include <linux/netfilter_ipv4/ip_set.h>
-+
-+static struct list_head set_type_list; /* all registered sets */
-+static struct ip_set **ip_set_list; /* all individual sets */
-+static DEFINE_RWLOCK(ip_set_lock); /* protects the lists and the hash */
-+static DECLARE_MUTEX(ip_set_app_mutex); /* serializes user access */
-+static ip_set_id_t ip_set_max = CONFIG_IP_NF_SET_MAX;
-+static ip_set_id_t ip_set_bindings_hash_size = CONFIG_IP_NF_SET_HASHSIZE;
-+static struct list_head *ip_set_hash; /* hash of bindings */
-+static unsigned int ip_set_hash_random; /* random seed */
-+
-+#define SETNAME_EQ(a,b) (strncmp(a,b,IP_SET_MAXNAMELEN) == 0)
-+
-+/*
-+ * Sets are identified either by the index in ip_set_list or by id.
-+ * The id never changes and is used to find a key in the hash.
-+ * The index may change by swapping and used at all other places
-+ * (set/SET netfilter modules, binding value, etc.)
-+ *
-+ * Userspace requests are serialized by ip_set_mutex and sets can
-+ * be deleted only from userspace. Therefore ip_set_list locking
-+ * must obey the following rules:
-+ *
-+ * - kernel requests: read and write locking mandatory
-+ * - user requests: read locking optional, write locking mandatory
-+ */
-+
-+static inline void
-+__ip_set_get(ip_set_id_t index)
-+{
-+ atomic_inc(&ip_set_list[index]->ref);
-+}
-+
-+static inline void
-+__ip_set_put(ip_set_id_t index)
-+{
-+ atomic_dec(&ip_set_list[index]->ref);
-+}
-+
-+/*
-+ * Binding routines
-+ */
-+
-+static inline struct ip_set_hash *
-+__ip_set_find(u_int32_t key, ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ struct ip_set_hash *set_hash;
-+
-+ list_for_each_entry(set_hash, &ip_set_hash[key], list)
-+ if (set_hash->id == id && set_hash->ip == ip)
-+ return set_hash;
-+
-+ return NULL;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_in_hash(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ ASSERT_READ_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+
-+ set_hash = __ip_set_find(key, id, ip);
-+
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ return (set_hash != NULL ? set_hash->binding : IP_SET_INVALID_ID);
-+}
-+
-+static inline void
-+__set_hash_del(struct ip_set_hash *set_hash)
-+{
-+ ASSERT_WRITE_LOCK(&ip_set_lock);
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+
-+ __ip_set_put(set_hash->binding);
-+ list_del(&set_hash->list);
-+ kfree(set_hash);
-+}
-+
-+static int
-+ip_set_hash_del(ip_set_id_t id, ip_set_ip_t ip)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ DP("set: %s, ip: %u.%u.%u.%u", ip_set_list[id]->name, HIPQUAD(ip));
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip),
-+ set_hash != NULL ? ip_set_list[set_hash->binding]->name : "");
-+
-+ if (set_hash != NULL)
-+ __set_hash_del(set_hash);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+static int
-+ip_set_hash_add(ip_set_id_t id, ip_set_ip_t ip, ip_set_id_t binding)
-+{
-+ u_int32_t key = jhash_2words(id, ip, ip_set_hash_random)
-+ % ip_set_bindings_hash_size;
-+ struct ip_set_hash *set_hash;
-+ int ret = 0;
-+
-+ IP_SET_ASSERT(ip_set_list[id]);
-+ IP_SET_ASSERT(ip_set_list[binding]);
-+ DP("set: %s, ip: %u.%u.%u.%u, binding: %s", ip_set_list[id]->name,
-+ HIPQUAD(ip), ip_set_list[binding]->name);
-+ write_lock_bh(&ip_set_lock);
-+ set_hash = __ip_set_find(key, id, ip);
-+ if (!set_hash) {
-+ set_hash = kmalloc(sizeof(struct ip_set_hash), GFP_ATOMIC);
-+ if (!set_hash) {
-+ ret = -ENOMEM;
-+ goto unlock;
-+ }
-+ INIT_LIST_HEAD(&set_hash->list);
-+ set_hash->id = id;
-+ set_hash->ip = ip;
-+ list_add(&set_hash->list, &ip_set_hash[key]);
-+ } else {
-+ IP_SET_ASSERT(ip_set_list[set_hash->binding]);
-+ DP("overwrite binding: %s",
-+ ip_set_list[set_hash->binding]->name);
-+ __ip_set_put(set_hash->binding);
-+ }
-+ set_hash->binding = binding;
-+ __ip_set_get(set_hash->binding);
-+ DP("stored: key %u, id %u (%s), ip %u.%u.%u.%u, binding %u (%s)",
-+ key, id, ip_set_list[id]->name,
-+ HIPQUAD(ip), binding, ip_set_list[binding]->name);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+#define FOREACH_HASH_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash; \
-+ \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry(__set_hash, &ip_set_hash[__key], list) \
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+#define FOREACH_HASH_RW_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __key; \
-+ struct ip_set_hash *__set_hash, *__n; \
-+ \
-+ ASSERT_WRITE_LOCK(&ip_set_lock); \
-+ for (__key = 0; __key < ip_set_bindings_hash_size; __key++) { \
-+ list_for_each_entry_safe(__set_hash, __n, &ip_set_hash[__key], list)\
-+ fn(__set_hash , ## args); \
-+ } \
-+})
-+
-+/* Add, del and test set entries from kernel */
-+
-+#define follow_bindings(index, set, ip) \
-+((index = ip_set_find_in_hash((set)->id, ip)) != IP_SET_INVALID_ID \
-+ || (index = (set)->binding) != IP_SET_INVALID_ID)
-+
-+int
-+ip_set_testip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip_kernel(set, skb, &ip, flags, i++);
-+ read_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while (res > 0
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return (res < 0 ? 0 : res);
-+}
-+
-+int
-+ip_set_addip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ retry:
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ if (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0)
-+ goto retry;
-+
-+ return res;
-+}
-+
-+int
-+ip_set_delip_kernel(ip_set_id_t index,
-+ const struct sk_buff *skb,
-+ const u_int32_t *flags)
-+{
-+ struct ip_set *set;
-+ ip_set_ip_t ip;
-+ int res;
-+ unsigned char i = 0;
-+
-+ IP_SET_ASSERT(flags[i]);
-+ read_lock_bh(&ip_set_lock);
-+ do {
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ DP("set %s, index %u", set->name, index);
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip_kernel(set, skb, &ip, flags, i++);
-+ write_unlock_bh(&set->lock);
-+ i += !!(set->type->features & IPSET_DATA_DOUBLE);
-+ } while ((res == 0 || res == -EEXIST)
-+ && flags[i]
-+ && follow_bindings(index, set, ip));
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return res;
-+}
-+
-+/* Register and deregister settype */
-+
-+static inline struct ip_set_type *
-+find_set_type(const char *name)
-+{
-+ struct ip_set_type *set_type;
-+
-+ list_for_each_entry(set_type, &set_type_list, list)
-+ if (!strncmp(set_type->typename, name, IP_SET_MAXNAMELEN - 1))
-+ return set_type;
-+ return NULL;
-+}
-+
-+int
-+ip_set_register_set_type(struct ip_set_type *set_type)
-+{
-+ int ret = 0;
-+
-+ if (set_type->protocol_version != IP_SET_PROTOCOL_VERSION) {
-+ ip_set_printk("'%s' uses wrong protocol version %u (want %u)",
-+ set_type->typename,
-+ set_type->protocol_version,
-+ IP_SET_PROTOCOL_VERSION);
-+ return -EINVAL;
-+ }
-+
-+ write_lock_bh(&ip_set_lock);
-+ if (find_set_type(set_type->typename)) {
-+ /* Duplicate! */
-+ ip_set_printk("'%s' already registered!",
-+ set_type->typename);
-+ ret = -EINVAL;
-+ goto unlock;
-+ }
-+ if (!try_module_get(THIS_MODULE)) {
-+ ret = -EFAULT;
-+ goto unlock;
-+ }
-+ list_add(&set_type->list, &set_type_list);
-+ DP("'%s' registered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return ret;
-+}
-+
-+void
-+ip_set_unregister_set_type(struct ip_set_type *set_type)
-+{
-+ write_lock_bh(&ip_set_lock);
-+ if (!find_set_type(set_type->typename)) {
-+ ip_set_printk("'%s' not registered?",
-+ set_type->typename);
-+ goto unlock;
-+ }
-+ list_del(&set_type->list);
-+ module_put(THIS_MODULE);
-+ DP("'%s' unregistered.", set_type->typename);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+
-+}
-+
-+ip_set_id_t
-+__ip_set_get_byname(const char *name, struct ip_set **set)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ *set = ip_set_list[i];
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+void __ip_set_put_byindex(ip_set_id_t index)
-+{
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+}
-+
-+/*
-+ * Userspace routines
-+ */
-+
-+/*
-+ * Find set by name, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ down(&ip_set_app_mutex);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ __ip_set_get(i);
-+ index = i;
-+ break;
-+ }
-+ }
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find set by index, reference it once. The reference makes sure the
-+ * thing pointed to, does not go away under our feet. Drop the reference
-+ * later, using ip_set_put().
-+ */
-+ip_set_id_t
-+ip_set_get_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+
-+ if (index >= ip_set_max)
-+ return IP_SET_INVALID_ID;
-+
-+ if (ip_set_list[index])
-+ __ip_set_get(index);
-+ else
-+ index = IP_SET_INVALID_ID;
-+
-+ up(&ip_set_app_mutex);
-+ return index;
-+}
-+
-+/*
-+ * Find the set id belonging to the index.
-+ * We are protected by the mutex, so we do not need to use
-+ * ip_set_lock. There is no need to reference the sets either.
-+ */
-+ip_set_id_t
-+ip_set_id(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || !ip_set_list[index])
-+ return IP_SET_INVALID_ID;
-+
-+ return ip_set_list[index]->id;
-+}
-+
-+/*
-+ * If the given set pointer points to a valid set, decrement
-+ * reference count by 1. The caller shall not assume the index
-+ * to be valid, after calling this function.
-+ */
-+void ip_set_put_byindex(ip_set_id_t index)
-+{
-+ down(&ip_set_app_mutex);
-+ if (ip_set_list[index])
-+ __ip_set_put(index);
-+ up(&ip_set_app_mutex);
-+}
-+
-+/* Find a set by name or index */
-+static ip_set_id_t
-+ip_set_find_byname(const char *name)
-+{
-+ ip_set_id_t i, index = IP_SET_INVALID_ID;
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ index = i;
-+ break;
-+ }
-+ }
-+ return index;
-+}
-+
-+static ip_set_id_t
-+ip_set_find_byindex(ip_set_id_t index)
-+{
-+ if (index >= ip_set_max || ip_set_list[index] == NULL)
-+ index = IP_SET_INVALID_ID;
-+
-+ return index;
-+}
-+
-+/*
-+ * Add, del, test, bind and unbind
-+ */
-+
-+static inline int
-+__ip_set_testip(struct ip_set *set,
-+ const void *data,
-+ u_int32_t size,
-+ ip_set_ip_t *ip)
-+{
-+ int res;
-+
-+ read_lock_bh(&set->lock);
-+ res = set->type->testip(set, data, size, ip);
-+ read_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+__ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ do {
-+ write_lock_bh(&set->lock);
-+ res = set->type->addip(set, data, size, &ip);
-+ write_unlock_bh(&set->lock);
-+ } while (res == -EAGAIN
-+ && set->type->retry
-+ && (res = set->type->retry(set)) == 0);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_addip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ return __ip_set_addip(index,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt));
-+}
-+
-+static int
-+ip_set_delip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ write_lock_bh(&set->lock);
-+ res = set->type->delip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+ write_unlock_bh(&set->lock);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+
-+ if (size - sizeof(struct ip_set_req_adt) != set->type->reqsize) {
-+ ip_set_printk("data length wrong (want %lu, have %zu)",
-+ (long unsigned)set->type->reqsize,
-+ size - sizeof(struct ip_set_req_adt));
-+ return -EINVAL;
-+ }
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_adt),
-+ size - sizeof(struct ip_set_req_adt),
-+ &ip);
-+
-+ return (res > 0 ? -EEXIST : res);
-+}
-+
-+static int
-+ip_set_bindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of a set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets as binding values are referenced */
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ set->binding = binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = ip_set_hash_add(set->id, ip, binding);
-+
-+ return res;
-+}
-+
-+#define FOREACH_SET_DO(fn, args...) \
-+({ \
-+ ip_set_id_t __i; \
-+ struct ip_set *__set; \
-+ \
-+ for (__i = 0; __i < ip_set_max; __i++) { \
-+ __set = ip_set_list[__i]; \
-+ if (__set != NULL) \
-+ fn(__set , ##args); \
-+ } \
-+})
-+
-+static inline void
-+__set_hash_del_byid(struct ip_set_hash *set_hash, ip_set_id_t id)
-+{
-+ if (set_hash->id == id)
-+ __set_hash_del(set_hash);
-+}
-+
-+static inline void
-+__unbind_default(struct ip_set *set)
-+{
-+ if (set->binding != IP_SET_INVALID_ID) {
-+ /* Sets as binding values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static int
-+ip_set_unbindip(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ DP("");
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ DP("%u %s", index, req_bind->binding);
-+ if (index == IP_SET_INVALID_ID) {
-+ /* unbind :all: */
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of sets */
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_SET_DO(__unbind_default);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings of all sets*/
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+ DP("unreachable reached!");
-+ return -EINVAL;
-+ }
-+
-+ set = ip_set_list[index];
-+ IP_SET_ASSERT(set);
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ ip_set_id_t binding = ip_set_find_byindex(set->binding);
-+
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ write_lock_bh(&ip_set_lock);
-+ /* Sets in hash values are referenced */
-+ __ip_set_put(set->binding);
-+ set->binding = IP_SET_INVALID_ID;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ return 0;
-+ } else if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_ALL)) {
-+ /* Flush all bindings */
-+
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+ }
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+
-+ DP("set %s, ip: %u.%u.%u.%u", set->name, HIPQUAD(ip));
-+ if (res >= 0)
-+ res = ip_set_hash_del(set->id, ip);
-+
-+ return res;
-+}
-+
-+static int
-+ip_set_testbind(ip_set_id_t index,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ const struct ip_set_req_bind *req_bind;
-+ ip_set_id_t binding;
-+ ip_set_ip_t ip;
-+ int res;
-+
-+ IP_SET_ASSERT(set);
-+ if (size < sizeof(struct ip_set_req_bind))
-+ return -EINVAL;
-+
-+ req_bind = data;
-+
-+ if (SETNAME_EQ(req_bind->binding, IPSET_TOKEN_DEFAULT)) {
-+ /* Default binding of set */
-+ const char *binding_name;
-+
-+ if (size != sizeof(struct ip_set_req_bind) + IP_SET_MAXNAMELEN)
-+ return -EINVAL;
-+
-+ binding_name = data + sizeof(struct ip_set_req_bind);
-+
-+ binding = ip_set_find_byname(binding_name);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+ res = (set->binding == binding) ? -EEXIST : 0;
-+
-+ return res;
-+ }
-+ binding = ip_set_find_byname(req_bind->binding);
-+ if (binding == IP_SET_INVALID_ID)
-+ return -ENOENT;
-+
-+
-+ res = __ip_set_testip(set,
-+ data + sizeof(struct ip_set_req_bind),
-+ size - sizeof(struct ip_set_req_bind),
-+ &ip);
-+ DP("set %s, ip: %u.%u.%u.%u, binding %s",
-+ set->name, HIPQUAD(ip), ip_set_list[binding]->name);
-+
-+ if (res >= 0)
-+ res = (ip_set_find_in_hash(set->id, ip) == binding)
-+ ? -EEXIST : 0;
-+
-+ return res;
-+}
-+
-+static struct ip_set_type *
-+find_set_type_rlock(const char *typename)
-+{
-+ struct ip_set_type *type;
-+
-+ read_lock_bh(&ip_set_lock);
-+ type = find_set_type(typename);
-+ if (type == NULL)
-+ read_unlock_bh(&ip_set_lock);
-+
-+ return type;
-+}
-+
-+static int
-+find_free_id(const char *name,
-+ ip_set_id_t *index,
-+ ip_set_id_t *id)
-+{
-+ ip_set_id_t i;
-+
-+ *id = IP_SET_INVALID_ID;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL) {
-+ if (*id == IP_SET_INVALID_ID)
-+ *id = *index = i;
-+ } else if (SETNAME_EQ(name, ip_set_list[i]->name))
-+ /* Name clash */
-+ return -EEXIST;
-+ }
-+ if (*id == IP_SET_INVALID_ID)
-+ /* No free slot remained */
-+ return -ERANGE;
-+ /* Check that index is usable as id (swapping) */
-+ check:
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && ip_set_list[i]->id == *id) {
-+ *id = i;
-+ goto check;
-+ }
-+ }
-+ return 0;
-+}
-+
-+/*
-+ * Create a set
-+ */
-+static int
-+ip_set_create(const char *name,
-+ const char *typename,
-+ ip_set_id_t restore,
-+ const void *data,
-+ u_int32_t size)
-+{
-+ struct ip_set *set;
-+ ip_set_id_t index = 0, id;
-+ int res = 0;
-+
-+ DP("setname: %s, typename: %s, id: %u", name, typename, restore);
-+
-+ /*
-+ * First, and without any locks, allocate and initialize
-+ * a normal base set structure.
-+ */
-+ set = kmalloc(sizeof(struct ip_set), GFP_KERNEL);
-+ if (!set)
-+ return -ENOMEM;
-+ rwlock_init(&set->lock);
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ set->binding = IP_SET_INVALID_ID;
-+ atomic_set(&set->ref, 0);
-+
-+ /*
-+ * Next, take the &ip_set_lock, check that we know the type,
-+ * and take a reference on the type, to make sure it
-+ * stays available while constructing our new set.
-+ *
-+ * After referencing the type, we drop the &ip_set_lock,
-+ * and let the new set construction run without locks.
-+ */
-+ set->type = find_set_type_rlock(typename);
-+ if (set->type == NULL) {
-+ /* Try loading the module */
-+ char modulename[IP_SET_MAXNAMELEN + strlen("ip_set_") + 1];
-+ strcpy(modulename, "ip_set_");
-+ strcat(modulename, typename);
-+ DP("try to load %s", modulename);
-+ request_module(modulename);
-+ set->type = find_set_type_rlock(typename);
-+ }
-+ if (set->type == NULL) {
-+ ip_set_printk("no set type '%s', set '%s' not created",
-+ typename, name);
-+ res = -ENOENT;
-+ goto out;
-+ }
-+ if (!try_module_get(set->type->me)) {
-+ read_unlock_bh(&ip_set_lock);
-+ res = -EFAULT;
-+ goto out;
-+ }
-+ read_unlock_bh(&ip_set_lock);
-+
-+ /* Check request size */
-+ if (size != set->type->header_size) {
-+ ip_set_printk("data length wrong (want %lu, have %lu)",
-+ (long unsigned)set->type->header_size,
-+ (long unsigned)size);
-+ goto put_out;
-+ }
-+
-+ /*
-+ * Without holding any locks, create private part.
-+ */
-+ res = set->type->create(set, data, size);
-+ if (res != 0)
-+ goto put_out;
-+
-+ /* BTW, res==0 here. */
-+
-+ /*
-+ * Here, we have a valid, constructed set. &ip_set_lock again,
-+ * find free id/index and check that it is not already in
-+ * ip_set_list.
-+ */
-+ write_lock_bh(&ip_set_lock);
-+ if ((res = find_free_id(set->name, &index, &id)) != 0) {
-+ DP("no free id!");
-+ goto cleanup;
-+ }
-+
-+ /* Make sure restore gets the same index */
-+ if (restore != IP_SET_INVALID_ID && index != restore) {
-+ DP("Can't restore, sets are screwed up");
-+ res = -ERANGE;
-+ goto cleanup;
-+ }
-+
-+ /*
-+ * Finally! Add our shiny new set to the list, and be done.
-+ */
-+ DP("create: '%s' created with index %u, id %u!", set->name, index, id);
-+ set->id = id;
-+ ip_set_list[index] = set;
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+
-+ cleanup:
-+ write_unlock_bh(&ip_set_lock);
-+ set->type->destroy(set);
-+ put_out:
-+ module_put(set->type->me);
-+ out:
-+ kfree(set);
-+ return res;
-+}
-+
-+/*
-+ * Destroy a given existing set
-+ */
-+static void
-+ip_set_destroy_set(ip_set_id_t index)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+
-+ IP_SET_ASSERT(set);
-+ DP("set: %s", set->name);
-+ write_lock_bh(&ip_set_lock);
-+ FOREACH_HASH_RW_DO(__set_hash_del_byid, set->id);
-+ if (set->binding != IP_SET_INVALID_ID)
-+ __ip_set_put(set->binding);
-+ ip_set_list[index] = NULL;
-+ write_unlock_bh(&ip_set_lock);
-+
-+ /* Must call it without holding any lock */
-+ set->type->destroy(set);
-+ module_put(set->type->me);
-+ kfree(set);
-+}
-+
-+/*
-+ * Destroy a set - or all sets
-+ * Sets must not be referenced/used.
-+ */
-+static int
-+ip_set_destroy(ip_set_id_t index)
-+{
-+ ip_set_id_t i;
-+
-+ /* ref modification always protected by the mutex */
-+ if (index != IP_SET_INVALID_ID) {
-+ if (atomic_read(&ip_set_list[index]->ref))
-+ return -EBUSY;
-+ ip_set_destroy_set(index);
-+ } else {
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && (atomic_read(&ip_set_list[i]->ref)))
-+ return -EBUSY;
-+ }
-+
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ ip_set_destroy_set(i);
-+ }
-+ }
-+ return 0;
-+}
-+
-+static void
-+ip_set_flush_set(struct ip_set *set)
-+{
-+ DP("set: %s %u", set->name, set->id);
-+
-+ write_lock_bh(&set->lock);
-+ set->type->flush(set);
-+ write_unlock_bh(&set->lock);
-+}
-+
-+/*
-+ * Flush data in a set - or in all sets
-+ */
-+static int
-+ip_set_flush(ip_set_id_t index)
-+{
-+ if (index != IP_SET_INVALID_ID) {
-+ IP_SET_ASSERT(ip_set_list[index]);
-+ ip_set_flush_set(ip_set_list[index]);
-+ } else
-+ FOREACH_SET_DO(ip_set_flush_set);
-+
-+ return 0;
-+}
-+
-+/* Rename a set */
-+static int
-+ip_set_rename(ip_set_id_t index, const char *name)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ ip_set_id_t i;
-+ int res = 0;
-+
-+ DP("set: %s to %s", set->name, name);
-+ write_lock_bh(&ip_set_lock);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL
-+ && SETNAME_EQ(ip_set_list[i]->name, name)) {
-+ res = -EEXIST;
-+ goto unlock;
-+ }
-+ }
-+ strncpy(set->name, name, IP_SET_MAXNAMELEN);
-+ unlock:
-+ write_unlock_bh(&ip_set_lock);
-+ return res;
-+}
-+
-+/*
-+ * Swap two sets so that name/index points to the other.
-+ * References are also swapped.
-+ */
-+static int
-+ip_set_swap(ip_set_id_t from_index, ip_set_id_t to_index)
-+{
-+ struct ip_set *from = ip_set_list[from_index];
-+ struct ip_set *to = ip_set_list[to_index];
-+ char from_name[IP_SET_MAXNAMELEN];
-+ u_int32_t from_ref;
-+
-+ DP("set: %s to %s", from->name, to->name);
-+ /* Features must not change.
-+ * Not an artifical restriction anymore, as we must prevent
-+ * possible loops created by swapping in setlist type of sets. */
-+ if (from->type->features != to->type->features)
-+ return -ENOEXEC;
-+
-+ /* No magic here: ref munging protected by the mutex */
-+ write_lock_bh(&ip_set_lock);
-+ strncpy(from_name, from->name, IP_SET_MAXNAMELEN);
-+ from_ref = atomic_read(&from->ref);
-+
-+ strncpy(from->name, to->name, IP_SET_MAXNAMELEN);
-+ atomic_set(&from->ref, atomic_read(&to->ref));
-+ strncpy(to->name, from_name, IP_SET_MAXNAMELEN);
-+ atomic_set(&to->ref, from_ref);
-+
-+ ip_set_list[from_index] = to;
-+ ip_set_list[to_index] = from;
-+
-+ write_unlock_bh(&ip_set_lock);
-+ return 0;
-+}
-+
-+/*
-+ * List set data
-+ */
-+
-+static inline void
-+__set_hash_bindings_size_list(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_list);
-+}
-+
-+static inline void
-+__set_hash_bindings_size_save(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, u_int32_t *size)
-+{
-+ if (set_hash->id == id)
-+ *size += sizeof(struct ip_set_hash_save);
-+}
-+
-+static inline void
-+__set_hash_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id, void *data, int *used)
-+{
-+ if (set_hash->id == id) {
-+ struct ip_set_hash_list *hash_list = data + *used;
-+
-+ hash_list->ip = set_hash->ip;
-+ hash_list->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_list);
-+ }
-+}
-+
-+static int ip_set_list_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set = ip_set_list[index];
-+ struct ip_set_list *set_list;
-+
-+ /* Pointer to our header */
-+ set_list = data + *used;
-+
-+ DP("set: %s, used: %d %p %p", set->name, *used, data, data + *used);
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_list) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_list);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_list->header_size = set->type->header_size;
-+ if (*used + set_list->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_list->index = index;
-+ set_list->binding = set->binding;
-+ set_list->ref = atomic_read(&set->ref);
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_list->header_size;
-+
-+ /* Get and ensure set specific members size */
-+ set_list->members_size = set->type->list_members_size(set);
-+ if (*used + set_list->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_list->members_size;
-+ read_unlock_bh(&set->lock);
-+
-+ /* Bindings */
-+
-+ /* Get and ensure set specific bindings size */
-+ set_list->bindings_size = 0;
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &set_list->bindings_size);
-+ if (*used + set_list->bindings_size > len)
-+ goto not_enough_mem;
-+
-+ /* Fill in set spefific bindings data */
-+ FOREACH_HASH_DO(__set_hash_bindings, set->id, data, used);
-+
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+/*
-+ * Save sets
-+ */
-+static int ip_set_save_set(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ struct ip_set *set;
-+ struct ip_set_save *set_save;
-+
-+ /* Pointer to our header */
-+ set_save = data + *used;
-+
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ goto not_enough_mem;
-+ *used += sizeof(struct ip_set_save);
-+
-+ set = ip_set_list[index];
-+ DP("set: %s, used: %d(%d) %p %p", set->name, *used, len,
-+ data, data + *used);
-+
-+ read_lock_bh(&set->lock);
-+ /* Get and ensure set specific header size */
-+ set_save->header_size = set->type->header_size;
-+ if (*used + set_save->header_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in the header */
-+ set_save->index = index;
-+ set_save->binding = set->binding;
-+
-+ /* Fill in set spefific header data */
-+ set->type->list_header(set, data + *used);
-+ *used += set_save->header_size;
-+
-+ DP("set header filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->header_size, data, data + *used);
-+ /* Get and ensure set specific members size */
-+ set_save->members_size = set->type->list_members_size(set);
-+ if (*used + set_save->members_size > len)
-+ goto unlock_set;
-+
-+ /* Fill in set spefific members data */
-+ set->type->list_members(set, data + *used);
-+ *used += set_save->members_size;
-+ read_unlock_bh(&set->lock);
-+ DP("set members filled: %s, used: %d(%lu) %p %p", set->name, *used,
-+ (unsigned long)set_save->members_size, data, data + *used);
-+ return 0;
-+
-+ unlock_set:
-+ read_unlock_bh(&set->lock);
-+ not_enough_mem:
-+ DP("not enough mem, try again");
-+ return -EAGAIN;
-+}
-+
-+static inline void
-+__set_hash_save_bindings(struct ip_set_hash *set_hash,
-+ ip_set_id_t id,
-+ void *data,
-+ int *used,
-+ int len,
-+ int *res)
-+{
-+ if (*res == 0
-+ && (id == IP_SET_INVALID_ID || set_hash->id == id)) {
-+ struct ip_set_hash_save *hash_save = data + *used;
-+ /* Ensure bindings size */
-+ if (*used + sizeof(struct ip_set_hash_save) > len) {
-+ *res = -ENOMEM;
-+ return;
-+ }
-+ hash_save->id = set_hash->id;
-+ hash_save->ip = set_hash->ip;
-+ hash_save->binding = set_hash->binding;
-+ *used += sizeof(struct ip_set_hash_save);
-+ }
-+}
-+
-+static int ip_set_save_bindings(ip_set_id_t index,
-+ void *data,
-+ int *used,
-+ int len)
-+{
-+ int res = 0;
-+ struct ip_set_save *set_save;
-+
-+ DP("used %u, len %u", *used, len);
-+ /* Get and ensure header size */
-+ if (*used + sizeof(struct ip_set_save) > len)
-+ return -ENOMEM;
-+
-+ /* Marker */
-+ set_save = data + *used;
-+ set_save->index = IP_SET_INVALID_ID;
-+ set_save->header_size = 0;
-+ set_save->members_size = 0;
-+ *used += sizeof(struct ip_set_save);
-+
-+ DP("marker added used %u, len %u", *used, len);
-+ /* Fill in bindings data */
-+ if (index != IP_SET_INVALID_ID)
-+ /* Sets are identified by id in hash */
-+ index = ip_set_list[index]->id;
-+ FOREACH_HASH_DO(__set_hash_save_bindings, index, data, used, len, &res);
-+
-+ return res;
-+}
-+
-+/*
-+ * Restore sets
-+ */
-+static int ip_set_restore(void *data,
-+ int len)
-+{
-+ int res = 0;
-+ int line = 0, used = 0, members_size;
-+ struct ip_set *set;
-+ struct ip_set_hash_save *hash_save;
-+ struct ip_set_restore *set_restore;
-+ ip_set_id_t index;
-+
-+ /* Loop to restore sets */
-+ while (1) {
-+ line++;
-+
-+ DP("%d %zu %d", used, sizeof(struct ip_set_restore), len);
-+ /* Get and ensure header size */
-+ if (used + sizeof(struct ip_set_restore) > len)
-+ return line;
-+ set_restore = data + used;
-+ used += sizeof(struct ip_set_restore);
-+
-+ /* Ensure data size */
-+ if (used
-+ + set_restore->header_size
-+ + set_restore->members_size > len)
-+ return line;
-+
-+ /* Check marker */
-+ if (set_restore->index == IP_SET_INVALID_ID) {
-+ line--;
-+ goto bindings;
-+ }
-+
-+ /* Try to create the set */
-+ DP("restore %s %s", set_restore->name, set_restore->typename);
-+ res = ip_set_create(set_restore->name,
-+ set_restore->typename,
-+ set_restore->index,
-+ data + used,
-+ set_restore->header_size);
-+
-+ if (res != 0)
-+ return line;
-+ used += set_restore->header_size;
-+
-+ index = ip_set_find_byindex(set_restore->index);
-+ DP("index %u, restore_index %u", index, set_restore->index);
-+ if (index != set_restore->index)
-+ return line;
-+ /* Try to restore members data */
-+ set = ip_set_list[index];
-+ members_size = 0;
-+ DP("members_size %lu reqsize %lu",
-+ (unsigned long)set_restore->members_size,
-+ (unsigned long)set->type->reqsize);
-+ while (members_size + set->type->reqsize <=
-+ set_restore->members_size) {
-+ line++;
-+ DP("members: %d, line %d", members_size, line);
-+ res = __ip_set_addip(index,
-+ data + used + members_size,
-+ set->type->reqsize);
-+ if (!(res == 0 || res == -EEXIST))
-+ return line;
-+ members_size += set->type->reqsize;
-+ }
-+
-+ DP("members_size %lu %d",
-+ (unsigned long)set_restore->members_size, members_size);
-+ if (members_size != set_restore->members_size)
-+ return line++;
-+ used += set_restore->members_size;
-+ }
-+
-+ bindings:
-+ /* Loop to restore bindings */
-+ while (used < len) {
-+ line++;
-+
-+ DP("restore binding, line %u", line);
-+ /* Get and ensure size */
-+ if (used + sizeof(struct ip_set_hash_save) > len)
-+ return line;
-+ hash_save = data + used;
-+ used += sizeof(struct ip_set_hash_save);
-+
-+ /* hash_save->id is used to store the index */
-+ index = ip_set_find_byindex(hash_save->id);
-+ DP("restore binding index %u, id %u, %u -> %u",
-+ index, hash_save->id, hash_save->ip, hash_save->binding);
-+ if (index != hash_save->id)
-+ return line;
-+ if (ip_set_find_byindex(hash_save->binding) == IP_SET_INVALID_ID) {
-+ DP("corrupt binding set index %u", hash_save->binding);
-+ return line;
-+ }
-+ set = ip_set_list[hash_save->id];
-+ /* Null valued IP means default binding */
-+ if (hash_save->ip)
-+ res = ip_set_hash_add(set->id,
-+ hash_save->ip,
-+ hash_save->binding);
-+ else {
-+ IP_SET_ASSERT(set->binding == IP_SET_INVALID_ID);
-+ write_lock_bh(&ip_set_lock);
-+ set->binding = hash_save->binding;
-+ __ip_set_get(set->binding);
-+ write_unlock_bh(&ip_set_lock);
-+ DP("default binding: %u", set->binding);
-+ }
-+ if (res != 0)
-+ return line;
-+ }
-+ if (used != len)
-+ return line;
-+
-+ return 0;
-+}
-+
-+static int
-+ip_set_sockfn_set(struct sock *sk, int optval, void *user, unsigned int len)
-+{
-+ void *data;
-+ int res = 0; /* Assume OK */
-+ unsigned *op;
-+ struct ip_set_req_adt *req_adt;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ int (*adtfn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ struct fn_table {
-+ int (*fn)(ip_set_id_t index,
-+ const void *data, u_int32_t size);
-+ } adtfn_table[] =
-+ { { ip_set_addip }, { ip_set_delip }, { ip_set_testip},
-+ { ip_set_bindip}, { ip_set_unbindip }, { ip_set_testbind },
-+ };
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (len <= sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >%zu, got %u)",
-+ sizeof(unsigned), len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(len);
-+ if (!data) {
-+ DP("out of mem for %u bytes", len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *)data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_CREATE:{
-+ struct ip_set_req_create *req_create = data;
-+
-+ if (len < sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("short CREATE data (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_create->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_create->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+ res = ip_set_create(req_create->name,
-+ req_create->typename,
-+ IP_SET_INVALID_ID,
-+ data + sizeof(struct ip_set_req_create),
-+ len - sizeof(struct ip_set_req_create));
-+ goto done;
-+ }
-+ case IP_SET_OP_DESTROY:{
-+ struct ip_set_req_std *req_destroy = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid DESTROY data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_destroy->name, IPSET_TOKEN_ALL)) {
-+ /* Destroy all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_destroy->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_destroy->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+
-+ res = ip_set_destroy(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_FLUSH:{
-+ struct ip_set_req_std *req_flush = data;
-+
-+ if (len != sizeof(struct ip_set_req_std)) {
-+ ip_set_printk("invalid FLUSH data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_std), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ if (SETNAME_EQ(req_flush->name, IPSET_TOKEN_ALL)) {
-+ /* Flush all sets */
-+ index = IP_SET_INVALID_ID;
-+ } else {
-+ req_flush->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_flush->name);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = ip_set_flush(index);
-+ goto done;
-+ }
-+ case IP_SET_OP_RENAME:{
-+ struct ip_set_req_create *req_rename = data;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid RENAME data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_rename->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_rename->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_rename->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_rename(index, req_rename->typename);
-+ goto done;
-+ }
-+ case IP_SET_OP_SWAP:{
-+ struct ip_set_req_create *req_swap = data;
-+ ip_set_id_t to_index;
-+
-+ if (len != sizeof(struct ip_set_req_create)) {
-+ ip_set_printk("invalid SWAP data (want %zu, got %u)",
-+ sizeof(struct ip_set_req_create), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_swap->name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_swap->typename[IP_SET_MAXNAMELEN - 1] = '\0';
-+
-+ index = ip_set_find_byname(req_swap->name);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ to_index = ip_set_find_byname(req_swap->typename);
-+ if (to_index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ res = ip_set_swap(index, to_index);
-+ goto done;
-+ }
-+ default:
-+ break; /* Set identified by id */
-+ }
-+
-+ /* There we may have add/del/test/bind/unbind/test_bind operations */
-+ if (*op < IP_SET_OP_ADD_IP || *op > IP_SET_OP_TEST_BIND_SET) {
-+ res = -EBADMSG;
-+ goto done;
-+ }
-+ adtfn = adtfn_table[*op - IP_SET_OP_ADD_IP].fn;
-+
-+ if (len < sizeof(struct ip_set_req_adt)) {
-+ ip_set_printk("short data in adt request (want >=%zu, got %u)",
-+ sizeof(struct ip_set_req_adt), len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_adt = data;
-+
-+ /* -U :all: :all:|:default: uses IP_SET_INVALID_ID */
-+ if (!(*op == IP_SET_OP_UNBIND_SET
-+ && req_adt->index == IP_SET_INVALID_ID)) {
-+ index = ip_set_find_byindex(req_adt->index);
-+ if (index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ res = adtfn(index, data, len);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static int
-+ip_set_sockfn_get(struct sock *sk, int optval, void *user, int *len)
-+{
-+ int res = 0;
-+ unsigned *op;
-+ ip_set_id_t index = IP_SET_INVALID_ID;
-+ void *data;
-+ int copylen = *len;
-+
-+ DP("optval=%d, user=%p, len=%d", optval, user, *len);
-+ if (!capable(CAP_NET_ADMIN))
-+ return -EPERM;
-+ if (optval != SO_IP_SET)
-+ return -EBADF;
-+ if (*len < sizeof(unsigned)) {
-+ ip_set_printk("short userdata (want >=%zu, got %d)",
-+ sizeof(unsigned), *len);
-+ return -EINVAL;
-+ }
-+ data = vmalloc(*len);
-+ if (!data) {
-+ DP("out of mem for %d bytes", *len);
-+ return -ENOMEM;
-+ }
-+ if (copy_from_user(data, user, *len) != 0) {
-+ res = -EFAULT;
-+ goto done;
-+ }
-+ if (down_interruptible(&ip_set_app_mutex)) {
-+ res = -EINTR;
-+ goto done;
-+ }
-+
-+ op = (unsigned *) data;
-+ DP("op=%x", *op);
-+
-+ if (*op < IP_SET_OP_VERSION) {
-+ /* Check the version at the beginning of operations */
-+ struct ip_set_req_version *req_version = data;
-+ if (req_version->version != IP_SET_PROTOCOL_VERSION) {
-+ res = -EPROTO;
-+ goto done;
-+ }
-+ }
-+
-+ switch (*op) {
-+ case IP_SET_OP_VERSION: {
-+ struct ip_set_req_version *req_version = data;
-+
-+ if (*len != sizeof(struct ip_set_req_version)) {
-+ ip_set_printk("invalid VERSION (want %zu, got %d)",
-+ sizeof(struct ip_set_req_version),
-+ *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_version->version = IP_SET_PROTOCOL_VERSION;
-+ res = copy_to_user(user, req_version,
-+ sizeof(struct ip_set_req_version));
-+ goto done;
-+ }
-+ case IP_SET_OP_GET_BYNAME: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYNAME (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ req_get->set.index = index;
-+ goto copy;
-+ }
-+ case IP_SET_OP_GET_BYINDEX: {
-+ struct ip_set_req_get_set *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_get_set)) {
-+ ip_set_printk("invalid GET_BYINDEX (want %zu, got %d)",
-+ sizeof(struct ip_set_req_get_set), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byindex(req_get->set.index);
-+ strncpy(req_get->set.name,
-+ index == IP_SET_INVALID_ID ? ""
-+ : ip_set_list[index]->name, IP_SET_MAXNAMELEN);
-+ goto copy;
-+ }
-+ case IP_SET_OP_ADT_GET: {
-+ struct ip_set_req_adt_get *req_get = data;
-+
-+ if (*len != sizeof(struct ip_set_req_adt_get)) {
-+ ip_set_printk("invalid ADT_GET (want %zu, got %d)",
-+ sizeof(struct ip_set_req_adt_get), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ req_get->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ index = ip_set_find_byname(req_get->set.name);
-+ if (index != IP_SET_INVALID_ID) {
-+ req_get->set.index = index;
-+ strncpy(req_get->typename,
-+ ip_set_list[index]->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ } else {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_MAX_SETS: {
-+ struct ip_set_req_max_sets *req_max_sets = data;
-+ ip_set_id_t i;
-+
-+ if (*len != sizeof(struct ip_set_req_max_sets)) {
-+ ip_set_printk("invalid MAX_SETS (want %zu, got %d)",
-+ sizeof(struct ip_set_req_max_sets), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ if (SETNAME_EQ(req_max_sets->set.name, IPSET_TOKEN_ALL)) {
-+ req_max_sets->set.index = IP_SET_INVALID_ID;
-+ } else {
-+ req_max_sets->set.name[IP_SET_MAXNAMELEN - 1] = '\0';
-+ req_max_sets->set.index =
-+ ip_set_find_byname(req_max_sets->set.name);
-+ if (req_max_sets->set.index == IP_SET_INVALID_ID) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ }
-+ req_max_sets->max_sets = ip_set_max;
-+ req_max_sets->sets = 0;
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] != NULL)
-+ req_max_sets->sets++;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST_SIZE:
-+ case IP_SET_OP_SAVE_SIZE: {
-+ struct ip_set_req_setnames *req_setnames = data;
-+ struct ip_set_name_list *name_list;
-+ struct ip_set *set;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)) {
-+ ip_set_printk("short LIST_SIZE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_setnames), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+
-+ req_setnames->size = 0;
-+ used = sizeof(struct ip_set_req_setnames);
-+ for (i = 0; i < ip_set_max; i++) {
-+ if (ip_set_list[i] == NULL)
-+ continue;
-+ name_list = data + used;
-+ used += sizeof(struct ip_set_name_list);
-+ if (used > copylen) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ set = ip_set_list[i];
-+ /* Fill in index, name, etc. */
-+ name_list->index = i;
-+ name_list->id = set->id;
-+ strncpy(name_list->name,
-+ set->name,
-+ IP_SET_MAXNAMELEN - 1);
-+ strncpy(name_list->typename,
-+ set->type->typename,
-+ IP_SET_MAXNAMELEN - 1);
-+ DP("filled %s of type %s, index %u\n",
-+ name_list->name, name_list->typename,
-+ name_list->index);
-+ if (!(req_setnames->index == IP_SET_INVALID_ID
-+ || req_setnames->index == i))
-+ continue;
-+ /* Update size */
-+ switch (*op) {
-+ case IP_SET_OP_LIST_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_list)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ /* Sets are identified by id in the hash */
-+ FOREACH_HASH_DO(__set_hash_bindings_size_list,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ case IP_SET_OP_SAVE_SIZE: {
-+ req_setnames->size += sizeof(struct ip_set_save)
-+ + set->type->header_size
-+ + set->type->list_members_size(set);
-+ FOREACH_HASH_DO(__set_hash_bindings_size_save,
-+ set->id, &req_setnames->size);
-+ break;
-+ }
-+ default:
-+ break;
-+ }
-+ }
-+ if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_LIST: {
-+ struct ip_set_req_list *req_list = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short LIST (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_list->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* List all sets */
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL)
-+ res = ip_set_list_set(i, data, &used, *len);
-+ }
-+ } else {
-+ /* List an individual set */
-+ res = ip_set_list_set(index, data, &used, *len);
-+ }
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_SAVE: {
-+ struct ip_set_req_list *req_save = data;
-+ ip_set_id_t i;
-+ int used;
-+
-+ if (*len < sizeof(struct ip_set_req_list)) {
-+ ip_set_printk("short SAVE (want >=%zu, got %d)",
-+ sizeof(struct ip_set_req_list), *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ index = req_save->index;
-+ if (index != IP_SET_INVALID_ID
-+ && ip_set_find_byindex(index) != index) {
-+ res = -ENOENT;
-+ goto done;
-+ }
-+
-+#define SETLIST(set) (strcmp(set->type->typename, "setlist") == 0)
-+
-+ used = 0;
-+ if (index == IP_SET_INVALID_ID) {
-+ /* Save all sets: ugly setlist type dependency */
-+ int setlist = 0;
-+ setlists:
-+ for (i = 0; i < ip_set_max && res == 0; i++) {
-+ if (ip_set_list[i] != NULL
-+ && !(setlist ^ SETLIST(ip_set_list[i])))
-+ res = ip_set_save_set(i, data, &used, *len);
-+ }
-+ if (!setlist) {
-+ setlist = 1;
-+ goto setlists;
-+ }
-+ } else {
-+ /* Save an individual set */
-+ res = ip_set_save_set(index, data, &used, *len);
-+ }
-+ if (res == 0)
-+ res = ip_set_save_bindings(index, data, &used, *len);
-+
-+ if (res != 0)
-+ goto done;
-+ else if (copylen != used) {
-+ res = -EAGAIN;
-+ goto done;
-+ }
-+ goto copy;
-+ }
-+ case IP_SET_OP_RESTORE: {
-+ struct ip_set_req_setnames *req_restore = data;
-+ int line;
-+
-+ if (*len < sizeof(struct ip_set_req_setnames)
-+ || *len != req_restore->size) {
-+ ip_set_printk("invalid RESTORE (want =%lu, got %d)",
-+ (long unsigned)req_restore->size, *len);
-+ res = -EINVAL;
-+ goto done;
-+ }
-+ line = ip_set_restore(data + sizeof(struct ip_set_req_setnames),
-+ req_restore->size - sizeof(struct ip_set_req_setnames));
-+ DP("ip_set_restore: %d", line);
-+ if (line != 0) {
-+ res = -EAGAIN;
-+ req_restore->size = line;
-+ copylen = sizeof(struct ip_set_req_setnames);
-+ goto copy;
-+ }
-+ goto done;
-+ }
-+ default:
-+ res = -EBADMSG;
-+ goto done;
-+ } /* end of switch(op) */
-+
-+ copy:
-+ DP("set %s, copylen %d", index != IP_SET_INVALID_ID
-+ && ip_set_list[index]
-+ ? ip_set_list[index]->name
-+ : ":all:", copylen);
-+ res = copy_to_user(user, data, copylen);
-+
-+ done:
-+ up(&ip_set_app_mutex);
-+ vfree(data);
-+ if (res > 0)
-+ res = 0;
-+ DP("final result %d", res);
-+ return res;
-+}
-+
-+static struct nf_sockopt_ops so_set = {
-+ .pf = PF_INET,
-+ .set_optmin = SO_IP_SET,
-+ .set_optmax = SO_IP_SET + 1,
-+ .set = &ip_set_sockfn_set,
-+ .get_optmin = SO_IP_SET,
-+ .get_optmax = SO_IP_SET + 1,
-+ .get = &ip_set_sockfn_get,
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+ .use = 0,
-+#else
-+ .owner = THIS_MODULE,
-+#endif
-+};
-+
-+static int max_sets, hash_size;
-+
-+module_param(max_sets, int, 0600);
-+MODULE_PARM_DESC(max_sets, "maximal number of sets");
-+module_param(hash_size, int, 0600);
-+MODULE_PARM_DESC(hash_size, "hash size for bindings");
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("module implementing core IP set support");
-+
-+static int __init ip_set_init(void)
-+{
-+ int res;
-+ ip_set_id_t i;
-+
-+ get_random_bytes(&ip_set_hash_random, 4);
-+ if (max_sets)
-+ ip_set_max = max_sets;
-+ ip_set_list = vmalloc(sizeof(struct ip_set *) * ip_set_max);
-+ if (!ip_set_list) {
-+ printk(KERN_ERR "Unable to create ip_set_list\n");
-+ return -ENOMEM;
-+ }
-+ memset(ip_set_list, 0, sizeof(struct ip_set *) * ip_set_max);
-+ if (hash_size)
-+ ip_set_bindings_hash_size = hash_size;
-+ ip_set_hash = vmalloc(sizeof(struct list_head) * ip_set_bindings_hash_size);
-+ if (!ip_set_hash) {
-+ printk(KERN_ERR "Unable to create ip_set_hash\n");
-+ vfree(ip_set_list);
-+ return -ENOMEM;
-+ }
-+ for (i = 0; i < ip_set_bindings_hash_size; i++)
-+ INIT_LIST_HEAD(&ip_set_hash[i]);
-+
-+ INIT_LIST_HEAD(&set_type_list);
-+
-+ res = nf_register_sockopt(&so_set);
-+ if (res != 0) {
-+ ip_set_printk("SO_SET registry failed: %d", res);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ return res;
-+ }
-+
-+ return 0;
-+}
-+
-+static void __exit ip_set_fini(void)
-+{
-+ /* There can't be any existing set or binding */
-+ nf_unregister_sockopt(&so_set);
-+ vfree(ip_set_list);
-+ vfree(ip_set_hash);
-+ DP("these are the famous last words");
-+}
-+
-+EXPORT_SYMBOL(ip_set_register_set_type);
-+EXPORT_SYMBOL(ip_set_unregister_set_type);
-+
-+EXPORT_SYMBOL(ip_set_get_byname);
-+EXPORT_SYMBOL(ip_set_get_byindex);
-+EXPORT_SYMBOL(ip_set_put_byindex);
-+EXPORT_SYMBOL(ip_set_id);
-+EXPORT_SYMBOL(__ip_set_get_byname);
-+EXPORT_SYMBOL(__ip_set_put_byindex);
-+
-+EXPORT_SYMBOL(ip_set_addip_kernel);
-+EXPORT_SYMBOL(ip_set_delip_kernel);
-+EXPORT_SYMBOL(ip_set_testip_kernel);
-+
-+module_init(ip_set_init);
-+module_exit(ip_set_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iphash.c
-@@ -0,0 +1,166 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_iphash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+iphash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip), HIPQUAD(map->netmask));
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+iphash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (ip && iphash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iphash, test)
-+KADT(iphash, test, ipaddr)
-+
-+static inline int
-+__iphash_add(struct ip_set_iphash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+iphash_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+
-+ if (!ip || map->elements >= limit)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+
-+ return __iphash_add(map, hash_ip);
-+}
-+
-+UADT(iphash, add)
-+KADT(iphash, add, ipaddr)
-+
-+static inline void
-+__iphash_retry(struct ip_set_iphash *tmp, struct ip_set_iphash *map)
-+{
-+ tmp->netmask = map->netmask;
-+}
-+
-+HASH_RETRY(iphash, ip_set_ip_t)
-+
-+static inline int
-+iphash_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iphash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ id = iphash_id(set, hash_ip, ip);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(iphash, del)
-+KADT(iphash, del, ipaddr)
-+
-+static inline int
-+__iphash_create(const struct ip_set_req_iphash_create *req,
-+ struct ip_set_iphash *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(iphash, ip_set_ip_t)
-+HASH_DESTROY(iphash)
-+
-+HASH_FLUSH(iphash, ip_set_ip_t)
-+
-+static inline void
-+__iphash_list_header(const struct ip_set_iphash *map,
-+ struct ip_set_req_iphash_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+HASH_LIST_HEADER(iphash)
-+HASH_LIST_MEMBERS_SIZE(iphash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(iphash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(iphash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(iphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipmap.c
-@@ -0,0 +1,142 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the single bitmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipmap.h>
-+
-+static inline ip_set_ip_t
-+ip_to_id(const struct ip_set_ipmap *map, ip_set_ip_t ip)
-+{
-+ return (ip - map->first_ip)/map->hosts;
-+}
-+
-+static inline int
-+ipmap_test(const struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return !!test_bit(ip_to_id(map, *hash_ip), map->members);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(ipmap, test)
-+KADT(ipmap, test, ipaddr)
-+
-+static inline int
-+ipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (test_and_set_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, add)
-+KADT(ipmap, add, ipaddr)
-+
-+static inline int
-+ipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_ipmap *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip & map->netmask;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (!test_and_clear_bit(ip_to_id(map, *hash_ip), map->members))
-+ return -EEXIST;
-+
-+ return 0;
-+}
-+
-+UADT(ipmap, del)
-+KADT(ipmap, del, ipaddr)
-+
-+static inline int
-+__ipmap_create(const struct ip_set_req_ipmap_create *req,
-+ struct ip_set_ipmap *map)
-+{
-+ map->netmask = req->netmask;
-+
-+ if (req->netmask == 0xFFFFFFFF) {
-+ map->hosts = 1;
-+ map->sizeid = map->last_ip - map->first_ip + 1;
-+ } else {
-+ unsigned int mask_bits, netmask_bits;
-+ ip_set_ip_t mask;
-+
-+ map->first_ip &= map->netmask; /* Should we better bark? */
-+
-+ mask = range_to_mask(map->first_ip, map->last_ip, &mask_bits);
-+ netmask_bits = mask_to_bits(map->netmask);
-+
-+ if ((!mask && (map->first_ip || map->last_ip != 0xFFFFFFFF))
-+ || netmask_bits <= mask_bits)
-+ return -ENOEXEC;
-+
-+ DP("mask_bits %u, netmask_bits %u",
-+ mask_bits, netmask_bits);
-+ map->hosts = 2 << (32 - netmask_bits - 1);
-+ map->sizeid = 2 << (netmask_bits - mask_bits - 1);
-+ }
-+ if (map->sizeid > MAX_RANGE + 1) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ map->sizeid, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ DP("hosts %u, sizeid %u", map->hosts, map->sizeid);
-+ return bitmap_bytes(0, map->sizeid - 1);
-+}
-+
-+BITMAP_CREATE(ipmap)
-+BITMAP_DESTROY(ipmap)
-+BITMAP_FLUSH(ipmap)
-+
-+static inline void
-+__ipmap_list_header(const struct ip_set_ipmap *map,
-+ struct ip_set_req_ipmap_create *header)
-+{
-+ header->netmask = map->netmask;
-+}
-+
-+BITMAP_LIST_HEADER(ipmap)
-+BITMAP_LIST_MEMBERS_SIZE(ipmap)
-+BITMAP_LIST_MEMBERS(ipmap)
-+
-+IP_SET_TYPE(ipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipmap type of IP sets");
-+
-+REGISTER_MODULE(ipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipporthash.c
-@@ -0,0 +1,203 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipporthash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+ipporthash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipporthash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipporthash_id(set, hash_ip, ip, port) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port; \
-+ \
-+ if (flags[index+1] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipporthash, test, req->port)
-+KADT(ipporthash, test, ipaddr, port)
-+
-+static inline int
-+__ipporthash_add(struct ip_set_ipporthash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+ipporthash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ return __ipporthash_add(map, hash_ip);
-+}
-+
-+UADT(ipporthash, add, req->port)
-+KADT(ipporthash, add, ipaddr, port)
-+
-+static inline void
-+__ipporthash_retry(struct ip_set_ipporthash *tmp,
-+ struct ip_set_ipporthash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY(ipporthash, ip_set_ip_t)
-+
-+static inline int
-+ipporthash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port)
-+{
-+ struct ip_set_ipporthash *map = set->data;
-+ ip_set_ip_t id;
-+ ip_set_ip_t *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipporthash_id(set, hash_ip, ip, port);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipporthash, del, req->port)
-+KADT(ipporthash, del, ipaddr, port)
-+
-+static inline int
-+__ipporthash_create(const struct ip_set_req_ipporthash_create *req,
-+ struct ip_set_ipporthash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipporthash, ip_set_ip_t)
-+HASH_DESTROY(ipporthash)
-+HASH_FLUSH(ipporthash, ip_set_ip_t)
-+
-+static inline void
-+__ipporthash_list_header(const struct ip_set_ipporthash *map,
-+ struct ip_set_req_ipporthash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipporthash)
-+HASH_LIST_MEMBERS_SIZE(ipporthash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(ipporthash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(ipporthash, IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_DATA_DOUBLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipporthash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipporthash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportiphash.c
-@@ -0,0 +1,216 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+ip hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportiphash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportiphash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline int
-+ipportiphash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportiphash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportiphash, test, req->port, req->ip1)
-+KADT(ipportiphash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportip_add(struct ip_set_ipportiphash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportiphash_add(struct ip_set_ipportiphash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportip_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportiphash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ return __ipportip_add(map, *hash_ip, ip1);
-+}
-+
-+UADT(ipportiphash, add, req->port, req->ip1)
-+KADT(ipportiphash, add, ipaddr, port, ip1)
-+
-+static inline void
-+__ipportiphash_retry(struct ip_set_ipportiphash *tmp,
-+ struct ip_set_ipportiphash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+}
-+
-+HASH_RETRY2(ipportiphash, struct ipportip)
-+
-+static inline int
-+ipportiphash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportiphash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ id = ipportiphash_id(set, hash_ip, ip, port, ip1);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+
-+ return 0;
-+}
-+
-+UADT(ipportiphash, del, req->port, req->ip1)
-+KADT(ipportiphash, del, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportiphash_create(const struct ip_set_req_ipportiphash_create *req,
-+ struct ip_set_ipportiphash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportiphash, struct ipportip)
-+HASH_DESTROY(ipportiphash)
-+HASH_FLUSH(ipportiphash, struct ipportip)
-+
-+static inline void
-+__ipportiphash_list_header(const struct ip_set_ipportiphash *map,
-+ struct ip_set_req_ipportiphash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportiphash)
-+HASH_LIST_MEMBERS_SIZE(ipportiphash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportiphash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportiphash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportiphash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportiphash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_ipportnethash.c
-@@ -0,0 +1,304 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an ip+port+net hash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_ipportnethash.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static int limit = MAX_RANGE;
-+
-+#define jhash_ip2(map, i, ipport, ip1) \
-+ jhash_2words(ipport, ip1, *(map->initval + i))
-+
-+static inline __u32
-+ipportnethash_id_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id;
-+ u_int16_t i;
-+ struct ipportip *elem;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ DP("set: %s, ipport:%u.%u.%u.%u:%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), port, HIPQUAD(*hash_ip));
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return UINT_MAX;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip2(map, i, *hash_ip, ip1) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ if (elem->ip == *hash_ip && elem->ip1 == ip1)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+ipportnethash_id(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+ipportnethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id_cidr(set, hash_ip, ip, port, ip1,
-+ cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+ipportnethash_test(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port, ip_set_ip_t ip1)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+
-+ return (ipportnethash_id(set, hash_ip, ip, port, ip1) != UINT_MAX);
-+}
-+
-+static int
-+ipportnethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_ipportnethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32
-+ ? ipportnethash_test(set, hash_ip, req->ip, req->port,
-+ req->ip1)
-+ : ipportnethash_test_cidr(set, hash_ip, req->ip, req->port,
-+ req->ip1, req->cidr));
-+}
-+
-+#define KADT_CONDITION \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+KADT(ipportnethash, test, ipaddr, port, ip1)
-+
-+static inline int
-+__ipportnet_add(struct ip_set_ipportnethash *map,
-+ ip_set_ip_t hash_ip, ip_set_ip_t ip1)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ struct ipportip *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip2(map, i, hash_ip, ip1) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, probe);
-+ if (elem->ip == hash_ip && elem->ip1 == ip1)
-+ return -EEXIST;
-+ if (!(slot || elem->ip || elem->ip1))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ slot->ip = hash_ip;
-+ slot->ip1 = ip1;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+__ipportnethash_add(struct ip_set_ipportnethash *map,
-+ struct ipportip *elem)
-+{
-+ return __ipportnet_add(map, elem->ip, elem->ip1);
-+}
-+
-+static inline int
-+ipportnethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ struct ipportip;
-+ int ret;
-+
-+ if (map->elements > limit)
-+ return -ERANGE;
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+ if (map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+
-+ *hash_ip = pack_ip_port(map, ip, port);
-+ ip1 = pack_ip_cidr(ip1, cidr);
-+ if (!(*hash_ip || ip1))
-+ return -ERANGE;
-+
-+ ret =__ipportnet_add(map, *hash_ip, ip1);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_ipportnethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31; \
-+ ip_set_ip_t port, ip1; \
-+ \
-+ if (flags[index+2] == 0) \
-+ return 0; \
-+ \
-+ port = get_port(skb, flags[index+1]); \
-+ ip1 = ipaddr(skb, flags[index+2]); \
-+ \
-+ if (port == INVALID_PORT) \
-+ return 0;
-+
-+UADT(ipportnethash, add, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, add, ipaddr, port, ip1, cidr)
-+
-+static inline void
-+__ipportnethash_retry(struct ip_set_ipportnethash *tmp,
-+ struct ip_set_ipportnethash *map)
-+{
-+ tmp->first_ip = map->first_ip;
-+ tmp->last_ip = map->last_ip;
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY2(ipportnethash, struct ipportip)
-+
-+static inline int
-+ipportnethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, ip_set_ip_t port,
-+ ip_set_ip_t ip1, uint8_t cidr)
-+{
-+ struct ip_set_ipportnethash *map = set->data;
-+ ip_set_ip_t id;
-+ struct ipportip *elem;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!ip)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = ipportnethash_id_cidr(set, hash_ip, ip, port, ip1, cidr);
-+
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, struct ipportip *, id);
-+ elem->ip = elem->ip1 = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+
-+ return 0;
-+}
-+
-+UADT(ipportnethash, del, req->port, req->ip1, req->cidr)
-+KADT(ipportnethash, del, ipaddr, port, ip1, cidr)
-+
-+static inline int
-+__ipportnethash_create(const struct ip_set_req_ipportnethash_create *req,
-+ struct ip_set_ipportnethash *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->first_ip = req->from;
-+ map->last_ip = req->to;
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+ return 0;
-+}
-+
-+HASH_CREATE(ipportnethash, struct ipportip)
-+HASH_DESTROY(ipportnethash)
-+HASH_FLUSH_CIDR(ipportnethash, struct ipportip);
-+
-+static inline void
-+__ipportnethash_list_header(const struct ip_set_ipportnethash *map,
-+ struct ip_set_req_ipportnethash_create *header)
-+{
-+ header->from = map->first_ip;
-+ header->to = map->last_ip;
-+}
-+
-+HASH_LIST_HEADER(ipportnethash)
-+
-+HASH_LIST_MEMBERS_SIZE(ipportnethash, struct ipportip)
-+HASH_LIST_MEMBERS_MEMCPY(ipportnethash, struct ipportip)
-+
-+IP_SET_RTYPE(ipportnethash, IPSET_TYPE_IP | IPSET_TYPE_PORT
-+ | IPSET_TYPE_IP1 | IPSET_DATA_TRIPLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("ipportnethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(ipportnethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptree.c
-@@ -0,0 +1,466 @@
-+/* Copyright (C) 2005-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the iptree type */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptree.h>
-+
-+static int limit = MAX_RANGE;
-+
-+/* Garbage collection interval in seconds: */
-+#define IPTREE_GC_TIME 5*60
-+/* Sleep so many milliseconds before trying again
-+ * to delete the gc timer at destroying/flushing a set */
-+#define IPTREE_DESTROY_SLEEP 100
-+
-+static __KMEM_CACHE_T__ *branch_cachep;
-+static __KMEM_CACHE_T__ *leaf_cachep;
-+
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[3]; \
-+ b = ((unsigned char *)addrp)[2]; \
-+ c = ((unsigned char *)addrp)[1]; \
-+ d = ((unsigned char *)addrp)[0]; \
-+} while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return 0; \
-+} while (0)
-+
-+static inline int
-+iptree_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, map->timeout);
-+ TESTIP_WALK(map, a, btree);
-+ TESTIP_WALK(btree, b, ctree);
-+ TESTIP_WALK(ctree, c, dtree);
-+ DP("%lu %lu", dtree->expires[d], jiffies);
-+ return dtree->expires[d]
-+ && (!map->timeout
-+ || time_after(dtree->expires[d], jiffies));
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptree, test)
-+KADT(iptree, test, ipaddr)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep) do { \
-+ if ((map)->tree[elem]) { \
-+ DP("found %u", elem); \
-+ branch = (map)->tree[elem]; \
-+ } else { \
-+ branch = (type *) \
-+ kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (branch == NULL) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ DP("alloc %u", elem); \
-+ } \
-+} while (0)
-+
-+static inline int
-+iptree_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, unsigned int timeout)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+ int ret = 0;
-+
-+ if (!ip || map->elements >= limit)
-+ /* We could call the garbage collector
-+ * but it's probably overkill */
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DP("%u %u %u %u timeout %u", a, b, c, d, timeout);
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreeb, branch_cachep);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreec, branch_cachep);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreed, leaf_cachep);
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ ret = -EEXIST;
-+ if (map->timeout && timeout == 0)
-+ timeout = map->timeout;
-+ dtree->expires[d] = map->timeout ? (timeout * HZ + jiffies) : 1;
-+ /* Lottery: I won! */
-+ if (dtree->expires[d] == 0)
-+ dtree->expires[d] = 1;
-+ DP("%u %lu", d, dtree->expires[d]);
-+ if (ret == 0)
-+ map->elements++;
-+ return ret;
-+}
-+
-+UADT(iptree, add, req->timeout)
-+KADT(iptree, add, ipaddr, 0)
-+
-+#define DELIP_WALK(map, elem, branch) do { \
-+ if ((map)->tree[elem]) { \
-+ branch = (map)->tree[elem]; \
-+ } else \
-+ return -EEXIST; \
-+} while (0)
-+
-+static inline int
-+iptree_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned char a,b,c,d;
-+
-+ if (!ip)
-+ return -ERANGE;
-+
-+ *hash_ip = ip;
-+ ABCD(a, b, c, d, hash_ip);
-+ DELIP_WALK(map, a, btree);
-+ DELIP_WALK(btree, b, ctree);
-+ DELIP_WALK(ctree, c, dtree);
-+
-+ if (dtree->expires[d]) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ return 0;
-+ }
-+ return -EEXIST;
-+}
-+
-+UADT(iptree, del)
-+KADT(iptree, del, ipaddr)
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) \
-+ continue; \
-+ branch = (map)->tree[i]
-+
-+#define LOOP_WALK_END }
-+
-+static void
-+ip_tree_gc(unsigned long ul_set)
-+{
-+ struct ip_set *set = (struct ip_set *) ul_set;
-+ struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned char i,j,k;
-+
-+ i = j = k = 0;
-+ DP("gc: %s", set->name);
-+ write_lock_bh(&set->lock);
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]) {
-+ DP("gc: %u %u %u %u: expires %lu jiffies %lu",
-+ a, b, c, d,
-+ dtree->expires[d], jiffies);
-+ if (map->timeout
-+ && time_before(dtree->expires[d], jiffies)) {
-+ dtree->expires[d] = 0;
-+ map->elements--;
-+ } else
-+ k = 1;
-+ }
-+ }
-+ if (k == 0) {
-+ DP("gc: %s: leaf %u %u %u empty",
-+ set->name, a, b, c);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ ctree->tree[c] = NULL;
-+ } else {
-+ DP("gc: %s: leaf %u %u %u not empty",
-+ set->name, a, b, c);
-+ j = 1;
-+ k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (j == 0) {
-+ DP("gc: %s: branch %u %u empty",
-+ set->name, a, b);
-+ kmem_cache_free(branch_cachep, ctree);
-+ btree->tree[b] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u %u not empty",
-+ set->name, a, b);
-+ i = 1;
-+ j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ if (i == 0) {
-+ DP("gc: %s: branch %u empty",
-+ set->name, a);
-+ kmem_cache_free(branch_cachep, btree);
-+ map->tree[a] = NULL;
-+ } else {
-+ DP("gc: %s: branch %u not empty",
-+ set->name, a);
-+ i = j = k = 0;
-+ }
-+ LOOP_WALK_END;
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* Even if there is no timeout for the entries,
-+ * we still have to call gc because delete
-+ * do not clean up empty branches */
-+ map->gc_interval = IPTREE_GC_TIME;
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = ip_tree_gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptree_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptree_create *req = data;
-+ struct ip_set_iptree *map;
-+
-+ if (size != sizeof(struct ip_set_req_iptree_create)) {
-+ ip_set_printk("data length wrong (want %zu, have %lu)",
-+ sizeof(struct ip_set_req_iptree_create),
-+ (unsigned long)size);
-+ return -EINVAL;
-+ }
-+
-+ map = kmalloc(sizeof(struct ip_set_iptree), GFP_KERNEL);
-+ if (!map) {
-+ DP("out of memory for %zu bytes",
-+ sizeof(struct ip_set_iptree));
-+ return -ENOMEM;
-+ }
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = req->timeout;
-+ map->elements = 0;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptree *map)
-+{
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ kmem_cache_free(leaf_cachep, dtree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, ctree);
-+ LOOP_WALK_END;
-+ kmem_cache_free(branch_cachep, btree);
-+ LOOP_WALK_END;
-+ map->elements = 0;
-+}
-+
-+static void
-+iptree_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+iptree_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptree *map = set->data;
-+ unsigned int timeout = map->timeout;
-+
-+ /* gc might be running */
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREE_DESTROY_SLEEP);
-+ __flush(map);
-+ memset(map, 0, sizeof(*map));
-+ map->timeout = timeout;
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptree_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_req_iptree_create *header = data;
-+
-+ header->timeout = map->timeout;
-+}
-+
-+static int
-+iptree_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ unsigned int count = 0;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies)))
-+ count++;
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+
-+ DP("members %u", count);
-+ return (count * sizeof(struct ip_set_req_iptree));
-+}
-+
-+static void
-+iptree_list_members(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_iptree *map = set->data;
-+ struct ip_set_iptreeb *btree;
-+ struct ip_set_iptreec *ctree;
-+ struct ip_set_iptreed *dtree;
-+ unsigned int a,b,c,d;
-+ size_t offset = 0;
-+ struct ip_set_req_iptree *entry;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ LOOP_WALK_BEGIN(btree, b, ctree);
-+ LOOP_WALK_BEGIN(ctree, c, dtree);
-+ for (d = 0; d < 256; d++) {
-+ if (dtree->expires[d]
-+ && (!map->timeout || time_after(dtree->expires[d], jiffies))) {
-+ entry = data + offset;
-+ entry->ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ entry->timeout = !map->timeout ? 0
-+ : (dtree->expires[d] - jiffies)/HZ;
-+ offset += sizeof(struct ip_set_req_iptree);
-+ }
-+ }
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+ LOOP_WALK_END;
-+}
-+
-+IP_SET_TYPE(iptree, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptree type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+static int __init ip_set_iptree_init(void)
-+{
-+ int ret;
-+
-+ branch_cachep = KMEM_CACHE_CREATE("ip_set_iptreeb",
-+ sizeof(struct ip_set_iptreeb));
-+ if (!branch_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreeb slab cache\n");
-+ ret = -ENOMEM;
-+ goto out;
-+ }
-+ leaf_cachep = KMEM_CACHE_CREATE("ip_set_iptreed",
-+ sizeof(struct ip_set_iptreed));
-+ if (!leaf_cachep) {
-+ printk(KERN_ERR "Unable to create ip_set_iptreed slab cache\n");
-+ ret = -ENOMEM;
-+ goto free_branch;
-+ }
-+ ret = ip_set_register_set_type(&ip_set_iptree);
-+ if (ret == 0)
-+ goto out;
-+
-+ kmem_cache_destroy(leaf_cachep);
-+ free_branch:
-+ kmem_cache_destroy(branch_cachep);
-+ out:
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptree_fini(void)
-+{
-+ /* FIXME: possible race with ip_set_create() */
-+ ip_set_unregister_set_type(&ip_set_iptree);
-+ kmem_cache_destroy(leaf_cachep);
-+ kmem_cache_destroy(branch_cachep);
-+}
-+
-+module_init(ip_set_iptree_init);
-+module_exit(ip_set_iptree_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_iptreemap.c
-@@ -0,0 +1,708 @@
-+/* Copyright (C) 2007 Sven Wegener <sven.wegener@stealer.net>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License version 2 as published by
-+ * the Free Software Foundation.
-+ */
-+
-+/* This modules implements the iptreemap ipset type. It uses bitmaps to
-+ * represent every single IPv4 address as a bit. The bitmaps are managed in a
-+ * tree structure, where the first three octets of an address are used as an
-+ * index to find the bitmap and the last octet is used as the bit number.
-+ */
-+
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/slab.h>
-+#include <linux/delay.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/timer.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_iptreemap.h>
-+
-+#define IPTREEMAP_DEFAULT_GC_TIME (5 * 60)
-+#define IPTREEMAP_DESTROY_SLEEP (100)
-+
-+static __KMEM_CACHE_T__ *cachep_b;
-+static __KMEM_CACHE_T__ *cachep_c;
-+static __KMEM_CACHE_T__ *cachep_d;
-+
-+static struct ip_set_iptreemap_d *fullbitmap_d;
-+static struct ip_set_iptreemap_c *fullbitmap_c;
-+static struct ip_set_iptreemap_b *fullbitmap_b;
-+
-+#if defined(__LITTLE_ENDIAN)
-+#define ABCD(a, b, c, d, addr) \
-+ do { \
-+ a = ((unsigned char *)addr)[3]; \
-+ b = ((unsigned char *)addr)[2]; \
-+ c = ((unsigned char *)addr)[1]; \
-+ d = ((unsigned char *)addr)[0]; \
-+ } while (0)
-+#elif defined(__BIG_ENDIAN)
-+#define ABCD(a,b,c,d,addrp) do { \
-+ a = ((unsigned char *)addrp)[0]; \
-+ b = ((unsigned char *)addrp)[1]; \
-+ c = ((unsigned char *)addrp)[2]; \
-+ d = ((unsigned char *)addrp)[3]; \
-+} while (0)
-+#else
-+#error "Please fix asm/byteorder.h"
-+#endif /* __LITTLE_ENDIAN */
-+
-+#define TESTIP_WALK(map, elem, branch, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) \
-+ return 0; \
-+ else if (branch == full) \
-+ return 1; \
-+ } while (0)
-+
-+#define ADDIP_WALK(map, elem, branch, type, cachep, full) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ branch = (type *) kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[elem] = branch; \
-+ } else if (branch == full) { \
-+ return -EEXIST; \
-+ } \
-+ } while (0)
-+
-+#define ADDIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch != full) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch) \
-+ free(branch); \
-+ (map)->tree[a] = full; \
-+ continue; \
-+ } else if (!branch) { \
-+ branch = kmem_cache_alloc(cachep, GFP_ATOMIC); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memset(branch, 0, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define ADDIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define DELIP_WALK(map, elem, branch, cachep, full, flags) \
-+ do { \
-+ branch = (map)->tree[elem]; \
-+ if (!branch) { \
-+ return -EEXIST; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*full)); \
-+ (map)->tree[elem] = branch; \
-+ } \
-+ } while (0)
-+
-+#define DELIP_RANGE_LOOP(map, a, a1, a2, hint, branch, full, cachep, free, flags) \
-+ for (a = a1; a <= a2; a++) { \
-+ branch = (map)->tree[a]; \
-+ if (branch) { \
-+ if ((a > a1 && a < a2) || (hint)) { \
-+ if (branch != full) \
-+ free(branch); \
-+ (map)->tree[a] = NULL; \
-+ continue; \
-+ } else if (branch == full) { \
-+ branch = kmem_cache_alloc(cachep, flags); \
-+ if (!branch) \
-+ return -ENOMEM; \
-+ memcpy(branch, full, sizeof(*branch)); \
-+ (map)->tree[a] = branch; \
-+ }
-+
-+#define DELIP_RANGE_LOOP_END() \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN(map, i, branch) \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue;
-+
-+#define LOOP_WALK_END() \
-+ }
-+
-+#define LOOP_WALK_BEGIN_GC(map, i, branch, full, cachep, count) \
-+ count = -256; \
-+ for (i = 0; i < 256; i++) { \
-+ branch = (map)->tree[i]; \
-+ if (likely(!branch)) \
-+ continue; \
-+ count++; \
-+ if (branch == full) { \
-+ count++; \
-+ continue; \
-+ }
-+
-+#define LOOP_WALK_END_GC(map, i, branch, full, cachep, count) \
-+ if (-256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = NULL; \
-+ } else if (256 == count) { \
-+ kmem_cache_free(cachep, branch); \
-+ (map)->tree[i] = full; \
-+ } \
-+ }
-+
-+#define LOOP_WALK_BEGIN_COUNT(map, i, branch, inrange, count) \
-+ for (i = 0; i < 256; i++) { \
-+ if (!(map)->tree[i]) { \
-+ if (inrange) { \
-+ count++; \
-+ inrange = 0; \
-+ } \
-+ continue; \
-+ } \
-+ branch = (map)->tree[i];
-+
-+#define LOOP_WALK_END_COUNT() \
-+ }
-+
-+#define GETVALUE1(a, a1, b1, r) \
-+ (a == a1 ? b1 : r)
-+
-+#define GETVALUE2(a, b, a1, b1, c1, r) \
-+ (a == a1 && b == b1 ? c1 : r)
-+
-+#define GETVALUE3(a, b, c, a1, b1, c1, d1, r) \
-+ (a == a1 && b == b1 && c == c1 ? d1 : r)
-+
-+#define CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE1(a, a1, b1, 0) == 0 \
-+ && GETVALUE1(a, a2, b2, 255) == 255 \
-+ && c1 == 0 \
-+ && c2 == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE2(a, b, a1, b1, c1, 0) == 0 \
-+ && GETVALUE2(a, b, a2, b2, c2, 255) == 255 \
-+ && d1 == 0 \
-+ && d2 == 255 \
-+ )
-+
-+#define CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2) \
-+ ( \
-+ GETVALUE3(a, b, c, a1, b1, c1, d1, 0) == 0 \
-+ && GETVALUE3(a, b, c, a2, b2, c2, d2, 255) == 255 \
-+ )
-+
-+
-+static inline void
-+free_d(struct ip_set_iptreemap_d *map)
-+{
-+ kmem_cache_free(cachep_d, map);
-+}
-+
-+static inline void
-+free_c(struct ip_set_iptreemap_c *map)
-+{
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, dtree) {
-+ if (dtree != fullbitmap_d)
-+ free_d(dtree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_c, map);
-+}
-+
-+static inline void
-+free_b(struct ip_set_iptreemap_b *map)
-+{
-+ struct ip_set_iptreemap_c *ctree;
-+ unsigned int i;
-+
-+ LOOP_WALK_BEGIN(map, i, ctree) {
-+ if (ctree != fullbitmap_c)
-+ free_c(ctree);
-+ } LOOP_WALK_END();
-+
-+ kmem_cache_free(cachep_b, map);
-+}
-+
-+static inline int
-+iptreemap_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ TESTIP_WALK(map, a, btree, fullbitmap_b);
-+ TESTIP_WALK(btree, b, ctree, fullbitmap_c);
-+ TESTIP_WALK(ctree, c, dtree, fullbitmap_d);
-+
-+ return !!test_bit(d, (void *) dtree->bitmap);
-+}
-+
-+#define KADT_CONDITION
-+
-+UADT(iptreemap, test)
-+KADT(iptreemap, test, ipaddr)
-+
-+static inline int
-+__addip_single(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_iptreemap *map = (struct ip_set_iptreemap *) set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a, b, c, d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ ADDIP_WALK(map, a, btree, struct ip_set_iptreemap_b, cachep_b, fullbitmap_b);
-+ ADDIP_WALK(btree, b, ctree, struct ip_set_iptreemap_c, cachep_c, fullbitmap_c);
-+ ADDIP_WALK(ctree, c, dtree, struct ip_set_iptreemap_d, cachep_d, fullbitmap_d);
-+
-+ if (__test_and_set_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __addip_single(set, hash_ip, start);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ ADDIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b) {
-+ ADDIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c) {
-+ ADDIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __set_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+ } ADDIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, add, min(req->ip, req->end), max(req->ip, req->end))
-+KADT(iptreemap, add, ipaddr, ip)
-+
-+static inline int
-+__delip_single(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned char a,b,c,d;
-+
-+ *hash_ip = ip;
-+
-+ ABCD(a, b, c, d, hash_ip);
-+
-+ DELIP_WALK(map, a, btree, cachep_b, fullbitmap_b, flags);
-+ DELIP_WALK(btree, b, ctree, cachep_c, fullbitmap_c, flags);
-+ DELIP_WALK(ctree, c, dtree, cachep_d, fullbitmap_d, flags);
-+
-+ if (!__test_and_clear_bit(d, (void *) dtree->bitmap))
-+ return -EEXIST;
-+
-+ __set_bit(b, (void *) btree->dirty);
-+
-+ return 0;
-+}
-+
-+static inline int
-+iptreemap_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t start, ip_set_ip_t end, gfp_t flags)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d;
-+ unsigned char a1, b1, c1, d1;
-+ unsigned char a2, b2, c2, d2;
-+
-+ if (start == end)
-+ return __delip_single(set, hash_ip, start, flags);
-+
-+ *hash_ip = start;
-+
-+ ABCD(a1, b1, c1, d1, &start);
-+ ABCD(a2, b2, c2, d2, &end);
-+
-+ /* This is sooo ugly... */
-+ DELIP_RANGE_LOOP(map, a, a1, a2, CHECK1(a, a1, a2, b1, b2, c1, c2, d1, d2), btree, fullbitmap_b, cachep_b, free_b, flags) {
-+ DELIP_RANGE_LOOP(btree, b, GETVALUE1(a, a1, b1, 0), GETVALUE1(a, a2, b2, 255), CHECK2(a, b, a1, a2, b1, b2, c1, c2, d1, d2), ctree, fullbitmap_c, cachep_c, free_c, flags) {
-+ DELIP_RANGE_LOOP(ctree, c, GETVALUE2(a, b, a1, b1, c1, 0), GETVALUE2(a, b, a2, b2, c2, 255), CHECK3(a, b, c, a1, a2, b1, b2, c1, c2, d1, d2), dtree, fullbitmap_d, cachep_d, free_d, flags) {
-+ for (d = GETVALUE3(a, b, c, a1, b1, c1, d1, 0); d <= GETVALUE3(a, b, c, a2, b2, c2, d2, 255); d++)
-+ __clear_bit(d, (void *) dtree->bitmap);
-+ __set_bit(b, (void *) btree->dirty);
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+ } DELIP_RANGE_LOOP_END();
-+
-+ return 0;
-+}
-+
-+UADT0(iptreemap, del, min(req->ip, req->end), max(req->ip, req->end), GFP_KERNEL)
-+KADT(iptreemap, del, ipaddr, ip, GFP_ATOMIC)
-+
-+/* Check the status of the bitmap
-+ * -1 == all bits cleared
-+ * 1 == all bits set
-+ * 0 == anything else
-+ */
-+static inline int
-+bitmap_status(struct ip_set_iptreemap_d *dtree)
-+{
-+ unsigned char first = dtree->bitmap[0];
-+ int a;
-+
-+ for (a = 1; a < 32; a++)
-+ if (dtree->bitmap[a] != first)
-+ return 0;
-+
-+ return (first == 0 ? -1 : (first == 255 ? 1 : 0));
-+}
-+
-+static void
-+gc(unsigned long addr)
-+{
-+ struct ip_set *set = (struct ip_set *) addr;
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c;
-+ int i, j, k;
-+
-+ write_lock_bh(&set->lock);
-+
-+ LOOP_WALK_BEGIN_GC(map, a, btree, fullbitmap_b, cachep_b, i) {
-+ LOOP_WALK_BEGIN_GC(btree, b, ctree, fullbitmap_c, cachep_c, j) {
-+ if (!__test_and_clear_bit(b, (void *) btree->dirty))
-+ continue;
-+ LOOP_WALK_BEGIN_GC(ctree, c, dtree, fullbitmap_d, cachep_d, k) {
-+ switch (bitmap_status(dtree)) {
-+ case -1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = NULL;
-+ k--;
-+ break;
-+ case 1:
-+ kmem_cache_free(cachep_d, dtree);
-+ ctree->tree[c] = fullbitmap_d;
-+ k++;
-+ break;
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END_GC(btree, b, ctree, fullbitmap_c, cachep_c, k);
-+ } LOOP_WALK_END_GC(map, a, btree, fullbitmap_b, cachep_b, j);
-+
-+ write_unlock_bh(&set->lock);
-+
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static inline void
-+init_gc_timer(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ init_timer(&map->gc);
-+ map->gc.data = (unsigned long) set;
-+ map->gc.function = gc;
-+ map->gc.expires = jiffies + map->gc_interval * HZ;
-+ add_timer(&map->gc);
-+}
-+
-+static int
-+iptreemap_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ const struct ip_set_req_iptreemap_create *req = data;
-+ struct ip_set_iptreemap *map;
-+
-+ map = kzalloc(sizeof(*map), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+
-+ map->gc_interval = req->gc_interval ? req->gc_interval : IPTREEMAP_DEFAULT_GC_TIME;
-+ set->data = map;
-+
-+ init_gc_timer(set);
-+
-+ return 0;
-+}
-+
-+static inline void
-+__flush(struct ip_set_iptreemap *map)
-+{
-+ struct ip_set_iptreemap_b *btree;
-+ unsigned int a;
-+
-+ LOOP_WALK_BEGIN(map, a, btree);
-+ if (btree != fullbitmap_b)
-+ free_b(btree);
-+ LOOP_WALK_END();
-+}
-+
-+static void
-+iptreemap_destroy(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+ kfree(map);
-+
-+ set->data = NULL;
-+}
-+
-+static void
-+iptreemap_flush(struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+
-+ while (!del_timer(&map->gc))
-+ msleep(IPTREEMAP_DESTROY_SLEEP);
-+
-+ __flush(map);
-+
-+ memset(map, 0, sizeof(*map));
-+
-+ init_gc_timer(set);
-+}
-+
-+static void
-+iptreemap_list_header(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_req_iptreemap_create *header = data;
-+
-+ header->gc_interval = map->gc_interval;
-+}
-+
-+static int
-+iptreemap_list_members_size(const struct ip_set *set)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0, count = 0;
-+
-+ LOOP_WALK_BEGIN_COUNT(map, a, btree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(btree, b, ctree, inrange, count) {
-+ LOOP_WALK_BEGIN_COUNT(ctree, c, dtree, inrange, count) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ inrange = 1;
-+ } else if (inrange) {
-+ count++;
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+ } LOOP_WALK_END_COUNT();
-+
-+ if (inrange)
-+ count++;
-+
-+ return (count * sizeof(struct ip_set_req_iptreemap));
-+}
-+
-+static inline u_int32_t
-+add_member(void *data, size_t offset, ip_set_ip_t start, ip_set_ip_t end)
-+{
-+ struct ip_set_req_iptreemap *entry = data + offset;
-+
-+ entry->ip = start;
-+ entry->end = end;
-+
-+ return sizeof(*entry);
-+}
-+
-+static void
-+iptreemap_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_iptreemap *map = set->data;
-+ struct ip_set_iptreemap_b *btree;
-+ struct ip_set_iptreemap_c *ctree;
-+ struct ip_set_iptreemap_d *dtree;
-+ unsigned int a, b, c, d, inrange = 0;
-+ size_t offset = 0;
-+ ip_set_ip_t start = 0, end = 0, ip;
-+
-+ LOOP_WALK_BEGIN(map, a, btree) {
-+ LOOP_WALK_BEGIN(btree, b, ctree) {
-+ LOOP_WALK_BEGIN(ctree, c, dtree) {
-+ for (d = 0; d < 256; d++) {
-+ if (test_bit(d, (void *) dtree->bitmap)) {
-+ ip = ((a << 24) | (b << 16) | (c << 8) | d);
-+ if (!inrange) {
-+ inrange = 1;
-+ start = ip;
-+ } else if (end < ip - 1) {
-+ offset += add_member(data, offset, start, end);
-+ start = ip;
-+ }
-+ end = ip;
-+ } else if (inrange) {
-+ offset += add_member(data, offset, start, end);
-+ inrange = 0;
-+ }
-+ }
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+ } LOOP_WALK_END();
-+
-+ if (inrange)
-+ add_member(data, offset, start, end);
-+}
-+
-+IP_SET_TYPE(iptreemap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Sven Wegener <sven.wegener@stealer.net>");
-+MODULE_DESCRIPTION("iptreemap type of IP sets");
-+
-+static int __init ip_set_iptreemap_init(void)
-+{
-+ int ret = -ENOMEM;
-+ int a;
-+
-+ cachep_b = KMEM_CACHE_CREATE("ip_set_iptreemap_b",
-+ sizeof(struct ip_set_iptreemap_b));
-+ if (!cachep_b) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_b slab cache");
-+ goto out;
-+ }
-+
-+ cachep_c = KMEM_CACHE_CREATE("ip_set_iptreemap_c",
-+ sizeof(struct ip_set_iptreemap_c));
-+ if (!cachep_c) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_c slab cache");
-+ goto outb;
-+ }
-+
-+ cachep_d = KMEM_CACHE_CREATE("ip_set_iptreemap_d",
-+ sizeof(struct ip_set_iptreemap_d));
-+ if (!cachep_d) {
-+ ip_set_printk("Unable to create ip_set_iptreemap_d slab cache");
-+ goto outc;
-+ }
-+
-+ fullbitmap_d = kmem_cache_alloc(cachep_d, GFP_KERNEL);
-+ if (!fullbitmap_d)
-+ goto outd;
-+
-+ fullbitmap_c = kmem_cache_alloc(cachep_c, GFP_KERNEL);
-+ if (!fullbitmap_c)
-+ goto outbitmapd;
-+
-+ fullbitmap_b = kmem_cache_alloc(cachep_b, GFP_KERNEL);
-+ if (!fullbitmap_b)
-+ goto outbitmapc;
-+
-+ ret = ip_set_register_set_type(&ip_set_iptreemap);
-+ if (0 > ret)
-+ goto outbitmapb;
-+
-+ /* Now init our global bitmaps */
-+ memset(fullbitmap_d->bitmap, 0xff, sizeof(fullbitmap_d->bitmap));
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_c->tree[a] = fullbitmap_d;
-+
-+ for (a = 0; a < 256; a++)
-+ fullbitmap_b->tree[a] = fullbitmap_c;
-+ memset(fullbitmap_b->dirty, 0, sizeof(fullbitmap_b->dirty));
-+
-+ return 0;
-+
-+outbitmapb:
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+outbitmapc:
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+outbitmapd:
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+outd:
-+ kmem_cache_destroy(cachep_d);
-+outc:
-+ kmem_cache_destroy(cachep_c);
-+outb:
-+ kmem_cache_destroy(cachep_b);
-+out:
-+
-+ return ret;
-+}
-+
-+static void __exit ip_set_iptreemap_fini(void)
-+{
-+ ip_set_unregister_set_type(&ip_set_iptreemap);
-+ kmem_cache_free(cachep_d, fullbitmap_d);
-+ kmem_cache_free(cachep_c, fullbitmap_c);
-+ kmem_cache_free(cachep_b, fullbitmap_b);
-+ kmem_cache_destroy(cachep_d);
-+ kmem_cache_destroy(cachep_c);
-+ kmem_cache_destroy(cachep_b);
-+}
-+
-+module_init(ip_set_iptreemap_init);
-+module_exit(ip_set_iptreemap_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_macipmap.c
-@@ -0,0 +1,164 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the macipmap type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/if_ether.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_macipmap.h>
-+
-+static int
-+macipmap_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ const struct ip_set_req_macipmap *req = data;
-+
-+ if (req->ip < map->first_ip || req->ip > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_ip = req->ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(req->ip), HIPQUAD(*hash_ip));
-+ if (table[req->ip - map->first_ip].match) {
-+ return (memcmp(req->ethernet,
-+ &table[req->ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0);
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+static int
-+macipmap_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ const struct ip_set_macipmap *map = set->data;
-+ const struct ip_set_macip *table = map->members;
-+ ip_set_ip_t ip;
-+
-+ ip = ipaddr(skb, flags[index]);
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return 0;
-+
-+ *hash_ip = ip;
-+ DP("set: %s, ip:%u.%u.%u.%u, %u.%u.%u.%u",
-+ set->name, HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ if (table[ip - map->first_ip].match) {
-+ /* Is mac pointer valid?
-+ * If so, compare... */
-+ return (skb_mac_header(skb) >= skb->head
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data
-+ && (memcmp(eth_hdr(skb)->h_source,
-+ &table[ip - map->first_ip].ethernet,
-+ ETH_ALEN) == 0));
-+ } else {
-+ return (map->flags & IPSET_MACIP_MATCHUNSET ? 1 : 0);
-+ }
-+}
-+
-+/* returns 0 on success */
-+static inline int
-+macipmap_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, const unsigned char *ethernet)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ memcpy(&table[ip - map->first_ip].ethernet, ethernet, ETH_ALEN);
-+ table[ip - map->first_ip].match = IPSET_MACIP_ISSET;
-+ return 0;
-+}
-+
-+#define KADT_CONDITION \
-+ if (!(skb_mac_header(skb) >= skb->head \
-+ && (skb_mac_header(skb) + ETH_HLEN) <= skb->data))\
-+ return -EINVAL;
-+
-+UADT(macipmap, add, req->ethernet)
-+KADT(macipmap, add, ipaddr, eth_hdr(skb)->h_source)
-+
-+static inline int
-+macipmap_del(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ struct ip_set_macipmap *map = set->data;
-+ struct ip_set_macip *table = map->members;
-+
-+ if (ip < map->first_ip || ip > map->last_ip)
-+ return -ERANGE;
-+ if (!table[ip - map->first_ip].match)
-+ return -EEXIST;
-+
-+ *hash_ip = ip;
-+ table[ip - map->first_ip].match = 0;
-+ DP("%u.%u.%u.%u, %u.%u.%u.%u", HIPQUAD(ip), HIPQUAD(*hash_ip));
-+ return 0;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION
-+
-+UADT(macipmap, del)
-+KADT(macipmap, del, ipaddr)
-+
-+static inline int
-+__macipmap_create(const struct ip_set_req_macipmap_create *req,
-+ struct ip_set_macipmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ map->flags = req->flags;
-+ return (req->to - req->from + 1) * sizeof(struct ip_set_macip);
-+}
-+
-+BITMAP_CREATE(macipmap)
-+BITMAP_DESTROY(macipmap)
-+BITMAP_FLUSH(macipmap)
-+
-+static inline void
-+__macipmap_list_header(const struct ip_set_macipmap *map,
-+ struct ip_set_req_macipmap_create *header)
-+{
-+ header->flags = map->flags;
-+}
-+
-+BITMAP_LIST_HEADER(macipmap)
-+BITMAP_LIST_MEMBERS_SIZE(macipmap)
-+BITMAP_LIST_MEMBERS(macipmap)
-+
-+IP_SET_TYPE(macipmap, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("macipmap type of IP sets");
-+
-+REGISTER_MODULE(macipmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_nethash.c
-@@ -0,0 +1,225 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a cidr nethash set */
-+
-+#include <linux/module.h>
-+#include <linux/moduleparam.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/netfilter_ipv4/ip_set_jhash.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+#include <linux/random.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_nethash.h>
-+
-+static int limit = MAX_RANGE;
-+
-+static inline __u32
-+nethash_id_cidr(const struct ip_set_nethash *map,
-+ ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip,
-+ uint8_t cidr)
-+{
-+ __u32 id;
-+ u_int16_t i;
-+ ip_set_ip_t *elem;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ if (!*hash_ip)
-+ return MAX_RANGE;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ id = jhash_ip(map, i, *hash_ip) % map->hashsize;
-+ DP("hash key: %u", id);
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ if (*elem == *hash_ip)
-+ return id;
-+ /* No shortcut - there can be deleted entries. */
-+ }
-+ return UINT_MAX;
-+}
-+
-+static inline __u32
-+nethash_id(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+ __u32 id = UINT_MAX;
-+ int i;
-+
-+ for (i = 0; i < 30 && map->cidr[i]; i++) {
-+ id = nethash_id_cidr(map, hash_ip, ip, map->cidr[i]);
-+ if (id != UINT_MAX)
-+ break;
-+ }
-+ return id;
-+}
-+
-+static inline int
-+nethash_test_cidr(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ const struct ip_set_nethash *map = set->data;
-+
-+ return (nethash_id_cidr(map, hash_ip, ip, cidr) != UINT_MAX);
-+}
-+
-+static inline int
-+nethash_test(struct ip_set *set, ip_set_ip_t *hash_ip, ip_set_ip_t ip)
-+{
-+ return (nethash_id(set, hash_ip, ip) != UINT_MAX);
-+}
-+
-+static int
-+nethash_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_req_nethash *req = data;
-+
-+ if (req->cidr <= 0 || req->cidr > 32)
-+ return -EINVAL;
-+ return (req->cidr == 32 ? nethash_test(set, hash_ip, req->ip)
-+ : nethash_test_cidr(set, hash_ip, req->ip, req->cidr));
-+}
-+
-+#define KADT_CONDITION
-+
-+KADT(nethash, test, ipaddr)
-+
-+static inline int
-+__nethash_add(struct ip_set_nethash *map, ip_set_ip_t *ip)
-+{
-+ __u32 probe;
-+ u_int16_t i;
-+ ip_set_ip_t *elem, *slot = NULL;
-+
-+ for (i = 0; i < map->probes; i++) {
-+ probe = jhash_ip(map, i, *ip) % map->hashsize;
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, probe);
-+ if (*elem == *ip)
-+ return -EEXIST;
-+ if (!(slot || *elem))
-+ slot = elem;
-+ /* There can be deleted entries, must check all slots */
-+ }
-+ if (slot) {
-+ *slot = *ip;
-+ map->elements++;
-+ return 0;
-+ }
-+ /* Trigger rehashing */
-+ return -EAGAIN;
-+}
-+
-+static inline int
-+nethash_add(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ int ret;
-+
-+ if (map->elements >= limit || map->nets[cidr-1] == UINT16_MAX)
-+ return -ERANGE;
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ *hash_ip = pack_ip_cidr(ip, cidr);
-+ DP("%u.%u.%u.%u/%u, %u.%u.%u.%u", HIPQUAD(ip), cidr, HIPQUAD(*hash_ip));
-+ if (!*hash_ip)
-+ return -ERANGE;
-+
-+ ret = __nethash_add(map, hash_ip);
-+ if (ret == 0) {
-+ if (!map->nets[cidr-1]++)
-+ add_cidr_size(map->cidr, cidr);
-+ map->elements++;
-+ }
-+
-+ return ret;
-+}
-+
-+#undef KADT_CONDITION
-+#define KADT_CONDITION \
-+ struct ip_set_nethash *map = set->data; \
-+ uint8_t cidr = map->cidr[0] ? map->cidr[0] : 31;
-+
-+UADT(nethash, add, req->cidr)
-+KADT(nethash, add, ipaddr, cidr)
-+
-+static inline void
-+__nethash_retry(struct ip_set_nethash *tmp, struct ip_set_nethash *map)
-+{
-+ memcpy(tmp->cidr, map->cidr, sizeof(tmp->cidr));
-+ memcpy(tmp->nets, map->nets, sizeof(tmp->nets));
-+}
-+
-+HASH_RETRY(nethash, ip_set_ip_t)
-+
-+static inline int
-+nethash_del(struct ip_set *set, ip_set_ip_t *hash_ip,
-+ ip_set_ip_t ip, uint8_t cidr)
-+{
-+ struct ip_set_nethash *map = set->data;
-+ ip_set_ip_t id, *elem;
-+
-+ if (cidr <= 0 || cidr >= 32)
-+ return -EINVAL;
-+
-+ id = nethash_id_cidr(map, hash_ip, ip, cidr);
-+ if (id == UINT_MAX)
-+ return -EEXIST;
-+
-+ elem = HARRAY_ELEM(map->members, ip_set_ip_t *, id);
-+ *elem = 0;
-+ map->elements--;
-+ if (!map->nets[cidr-1]--)
-+ del_cidr_size(map->cidr, cidr);
-+ return 0;
-+}
-+
-+UADT(nethash, del, req->cidr)
-+KADT(nethash, del, ipaddr, cidr)
-+
-+static inline int
-+__nethash_create(const struct ip_set_req_nethash_create *req,
-+ struct ip_set_nethash *map)
-+{
-+ memset(map->cidr, 0, sizeof(map->cidr));
-+ memset(map->nets, 0, sizeof(map->nets));
-+
-+ return 0;
-+}
-+
-+HASH_CREATE(nethash, ip_set_ip_t)
-+HASH_DESTROY(nethash)
-+
-+HASH_FLUSH_CIDR(nethash, ip_set_ip_t)
-+
-+static inline void
-+__nethash_list_header(const struct ip_set_nethash *map,
-+ struct ip_set_req_nethash_create *header)
-+{
-+}
-+
-+HASH_LIST_HEADER(nethash)
-+HASH_LIST_MEMBERS_SIZE(nethash, ip_set_ip_t)
-+HASH_LIST_MEMBERS(nethash, ip_set_ip_t)
-+
-+IP_SET_RTYPE(nethash, IPSET_TYPE_IP | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("nethash type of IP sets");
-+module_param(limit, int, 0600);
-+MODULE_PARM_DESC(limit, "maximal number of elements stored in the sets");
-+
-+REGISTER_MODULE(nethash)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_portmap.c
-@@ -0,0 +1,114 @@
-+/* Copyright (C) 2003-2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing a port set type as a bitmap */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/tcp.h>
-+#include <linux/udp.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+#include <asm/uaccess.h>
-+#include <asm/bitops.h>
-+#include <linux/spinlock.h>
-+
-+#include <net/ip.h>
-+
-+#include <linux/netfilter_ipv4/ip_set_portmap.h>
-+#include <linux/netfilter_ipv4/ip_set_getport.h>
-+
-+static inline int
-+portmap_test(const struct ip_set *set, ip_set_ip_t *hash_port,
-+ ip_set_ip_t port)
-+{
-+ const struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+
-+ *hash_port = port;
-+ DP("set: %s, port:%u, %u", set->name, port, *hash_port);
-+ return !!test_bit(port - map->first_ip, map->members);
-+}
-+
-+#define KADT_CONDITION \
-+ if (ip == INVALID_PORT) \
-+ return 0;
-+
-+UADT(portmap, test)
-+KADT(portmap, test, get_port)
-+
-+static inline int
-+portmap_add(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (test_and_set_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, add)
-+KADT(portmap, add, get_port)
-+
-+static inline int
-+portmap_del(struct ip_set *set, ip_set_ip_t *hash_port, ip_set_ip_t port)
-+{
-+ struct ip_set_portmap *map = set->data;
-+
-+ if (port < map->first_ip || port > map->last_ip)
-+ return -ERANGE;
-+ if (!test_and_clear_bit(port - map->first_ip, map->members))
-+ return -EEXIST;
-+
-+ *hash_port = port;
-+ DP("port %u", port);
-+ return 0;
-+}
-+
-+UADT(portmap, del)
-+KADT(portmap, del, get_port)
-+
-+static inline int
-+__portmap_create(const struct ip_set_req_portmap_create *req,
-+ struct ip_set_portmap *map)
-+{
-+ if (req->to - req->from > MAX_RANGE) {
-+ ip_set_printk("range too big, %d elements (max %d)",
-+ req->to - req->from + 1, MAX_RANGE+1);
-+ return -ENOEXEC;
-+ }
-+ return bitmap_bytes(req->from, req->to);
-+}
-+
-+BITMAP_CREATE(portmap)
-+BITMAP_DESTROY(portmap)
-+BITMAP_FLUSH(portmap)
-+
-+static inline void
-+__portmap_list_header(const struct ip_set_portmap *map,
-+ struct ip_set_req_portmap_create *header)
-+{
-+}
-+
-+BITMAP_LIST_HEADER(portmap)
-+BITMAP_LIST_MEMBERS_SIZE(portmap)
-+BITMAP_LIST_MEMBERS(portmap)
-+
-+IP_SET_TYPE(portmap, IPSET_TYPE_PORT | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("portmap type of IP sets");
-+
-+REGISTER_MODULE(portmap)
---- /dev/null
-+++ b/net/ipv4/netfilter/ip_set_setlist.c
-@@ -0,0 +1,330 @@
-+/* Copyright (C) 2008 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module implementing an IP set type: the setlist type */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/errno.h>
-+
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ip_set_bitmaps.h>
-+#include <linux/netfilter_ipv4/ip_set_setlist.h>
-+
-+/*
-+ * before ==> index, ref
-+ * after ==> ref, index
-+ */
-+
-+static inline int
-+next_index_eq(const struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ return i < map->size && map->index[i] == index;
-+}
-+
-+static int
-+setlist_utest(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = 0;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return 0;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return 0;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before && map->index[i] == index) {
-+ res = next_index_eq(map, i + 1, ref);
-+ break;
-+ } else if (!req->before) {
-+ if ((ref == IP_SET_INVALID_ID
-+ && map->index[i] == index)
-+ || (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index))) {
-+ res = 1;
-+ break;
-+ }
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_ktest(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = 0;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res == 0; i++)
-+ res = ip_set_testip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+insert_setlist(struct ip_set_setlist *map, int i, ip_set_id_t index)
-+{
-+ ip_set_id_t tmp;
-+ int j;
-+
-+ DP("i: %u, last %u\n", i, map->index[map->size - 1]);
-+ if (i >= map->size || map->index[map->size - 1] != IP_SET_INVALID_ID)
-+ return -ERANGE;
-+
-+ for (j = i; j < map->size
-+ && index != IP_SET_INVALID_ID; j++) {
-+ tmp = map->index[j];
-+ map->index[j] = index;
-+ index = tmp;
-+ }
-+ return 0;
-+}
-+
-+static int
-+setlist_uadd(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -ERANGE;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ /* "Loop detection" */
-+ if (strcmp(s->type->typename, "setlist") == 0)
-+ goto finish;
-+
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID) {
-+ res = -EEXIST;
-+ goto finish;
-+ }
-+ }
-+ for (i = 0; i < map->size; i++) {
-+ if (map->index[i] != ref)
-+ continue;
-+ if (req->before)
-+ res = insert_setlist(map, i, index);
-+ else
-+ res = insert_setlist(map,
-+ ref == IP_SET_INVALID_ID ? i : i + 1,
-+ index);
-+ break;
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+ /* In case of success, we keep the reference to the set */
-+finish:
-+ if (res != 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kadd(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_addip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static inline int
-+unshift_setlist(struct ip_set_setlist *map, int i)
-+{
-+ int j;
-+
-+ for (j = i; j < map->size - 1; j++)
-+ map->index[j] = map->index[j+1];
-+ map->index[map->size-1] = IP_SET_INVALID_ID;
-+ return 0;
-+}
-+
-+static int
-+setlist_udel(struct ip_set *set, const void *data, u_int32_t size,
-+ ip_set_ip_t *hash_ip)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ const struct ip_set_req_setlist *req = data;
-+ ip_set_id_t index, ref = IP_SET_INVALID_ID;
-+ int i, res = -EEXIST;
-+ struct ip_set *s;
-+
-+ if (req->before && req->ref[0] == '\0')
-+ return -EINVAL;
-+
-+ index = __ip_set_get_byname(req->name, &s);
-+ if (index == IP_SET_INVALID_ID)
-+ return -EEXIST;
-+ if (req->ref[0] != '\0') {
-+ ref = __ip_set_get_byname(req->ref, &s);
-+ if (ref == IP_SET_INVALID_ID)
-+ goto finish;
-+ }
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ if (req->before) {
-+ if (map->index[i] == index
-+ && next_index_eq(map, i + 1, ref)) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (ref == IP_SET_INVALID_ID) {
-+ if (map->index[i] == index) {
-+ res = unshift_setlist(map, i);
-+ break;
-+ }
-+ } else if (map->index[i] == ref
-+ && next_index_eq(map, i + 1, index)) {
-+ res = unshift_setlist(map, i + 1);
-+ break;
-+ }
-+ }
-+ if (ref != IP_SET_INVALID_ID)
-+ __ip_set_put_byindex(ref);
-+finish:
-+ __ip_set_put_byindex(index);
-+ /* In case of success, release the reference to the set */
-+ if (res == 0)
-+ __ip_set_put_byindex(index);
-+ return res;
-+}
-+
-+static int
-+setlist_kdel(struct ip_set *set,
-+ const struct sk_buff *skb,
-+ ip_set_ip_t *hash_ip,
-+ const u_int32_t *flags,
-+ unsigned char index)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i, res = -EINVAL;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID
-+ && res != 0; i++)
-+ res = ip_set_delip_kernel(map->index[i], skb, flags);
-+ return res;
-+}
-+
-+static int
-+setlist_create(struct ip_set *set, const void *data, u_int32_t size)
-+{
-+ struct ip_set_setlist *map;
-+ const struct ip_set_req_setlist_create *req = data;
-+ int i;
-+
-+ map = kmalloc(sizeof(struct ip_set_setlist) +
-+ req->size * sizeof(ip_set_id_t), GFP_KERNEL);
-+ if (!map)
-+ return -ENOMEM;
-+ map->size = req->size;
-+ for (i = 0; i < map->size; i++)
-+ map->index[i] = IP_SET_INVALID_ID;
-+
-+ set->data = map;
-+ return 0;
-+}
-+
-+static void
-+setlist_destroy(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++)
-+ __ip_set_put_byindex(map->index[i]);
-+
-+ kfree(map);
-+ set->data = NULL;
-+}
-+
-+static void
-+setlist_flush(struct ip_set *set)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size
-+ && map->index[i] != IP_SET_INVALID_ID; i++) {
-+ __ip_set_put_byindex(map->index[i]);
-+ map->index[i] = IP_SET_INVALID_ID;
-+ }
-+}
-+
-+static void
-+setlist_list_header(const struct ip_set *set, void *data)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+ struct ip_set_req_setlist_create *header = data;
-+
-+ header->size = map->size;
-+}
-+
-+static int
-+setlist_list_members_size(const struct ip_set *set)
-+{
-+ const struct ip_set_setlist *map = set->data;
-+
-+ return map->size * sizeof(ip_set_id_t);
-+}
-+
-+static void
-+setlist_list_members(const struct ip_set *set, void *data)
-+{
-+ struct ip_set_setlist *map = set->data;
-+ int i;
-+
-+ for (i = 0; i < map->size; i++)
-+ *((ip_set_id_t *)data + i) = ip_set_id(map->index[i]);
-+}
-+
-+IP_SET_TYPE(setlist, IPSET_TYPE_SETNAME | IPSET_DATA_SINGLE)
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("setlist type of IP sets");
-+
-+REGISTER_MODULE(setlist)
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_set.c
-@@ -0,0 +1,238 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* Kernel module to match an IP set. */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_match ipt_register_match
-+#define xt_unregister_match ipt_unregister_match
-+#define xt_match ipt_match
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ip_set.h>
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static inline int
-+match_set(const struct ipt_set_info *info,
-+ const struct sk_buff *skb,
-+ int inv)
-+{
-+ if (ip_set_testip_kernel(info->index, skb, info->flags))
-+ inv = !inv;
-+ return inv;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ const void *hdr,
-+ u_int16_t datalen,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ int *hotdrop)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const struct xt_match *match,
-+ const void *matchinfo,
-+ int offset,
-+ unsigned int protoff,
-+ bool *hotdrop)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+match(const struct sk_buff *skb,
-+ const struct xt_match_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_match *info = matchinfo;
-+#else
-+ const struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+ return match_set(&info->match_set,
-+ skb,
-+ info->match_set.flags[0] & IPSET_MATCH_INV);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_ip *ip,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *inf,
-+ const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_mtchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return 0;
-+ }
-+#endif
-+
-+ index = ip_set_get_byindex(info->match_set.index);
-+
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("Cannot find set indentified by id %u to match",
-+ info->match_set.index);
-+ return 0; /* error */
-+ }
-+ if (info->match_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo,
-+ unsigned int matchsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_match *match,
-+ void *matchinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_mtdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ struct ipt_set_info_match *info = matchinfo;
-+#else
-+ struct ipt_set_info_match *info = par->matchinfo;
-+#endif
-+
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (matchsize != IPT_ALIGN(sizeof(struct ipt_set_info_match))) {
-+ ip_set_printk("invalid matchsize %d", matchsize);
-+ return;
-+ }
-+#endif
-+ ip_set_put_byindex(info->match_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .match = &match,
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_match set_match = {
-+ .name = "set",
-+ .family = AF_INET,
-+ .match = &match,
-+ .matchsize = sizeof(struct ipt_set_info_match),
-+ .checkentry = &checkentry,
-+ .destroy = &destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set match module");
-+
-+static int __init ipt_ipset_init(void)
-+{
-+ return xt_register_match(&set_match);
-+}
-+
-+static void __exit ipt_ipset_fini(void)
-+{
-+ xt_unregister_match(&set_match);
-+}
-+
-+module_init(ipt_ipset_init);
-+module_exit(ipt_ipset_fini);
---- /dev/null
-+++ b/net/ipv4/netfilter/ipt_SET.c
-@@ -0,0 +1,242 @@
-+/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
-+ * Patrick Schaaf <bof@bof.de>
-+ * Martin Josefsson <gandalf@wlug.westbo.se>
-+ * Copyright (C) 2003-2004 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+/* ipt_SET.c - netfilter target to manipulate IP sets */
-+
-+#include <linux/module.h>
-+#include <linux/ip.h>
-+#include <linux/skbuff.h>
-+#include <linux/version.h>
-+
-+#include <linux/netfilter_ipv4.h>
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+#include <linux/netfilter_ipv4/ip_tables.h>
-+#define xt_register_target ipt_register_target
-+#define xt_unregister_target ipt_unregister_target
-+#define xt_target ipt_target
-+#define XT_CONTINUE IPT_CONTINUE
-+#else
-+#include <linux/netfilter/x_tables.h>
-+#endif
-+#include <linux/netfilter_ipv4/ipt_set.h>
-+
-+static unsigned int
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-+target(struct sk_buff **pskb,
-+ unsigned int hooknum,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo,
-+ void *userinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+target(struct sk_buff **pskb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+target(struct sk_buff *skb,
-+ const struct net_device *in,
-+ const struct net_device *out,
-+ unsigned int hooknum,
-+ const struct xt_target *target,
-+ const void *targinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+target(struct sk_buff *skb,
-+ const struct xt_target_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
-+ struct sk_buff *skb = *pskb;
-+#endif
-+
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_addip_kernel(info->add_set.index,
-+ skb,
-+ info->add_set.flags);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_delip_kernel(info->del_set.index,
-+ skb,
-+ info->del_set.flags);
-+
-+ return XT_CONTINUE;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
-+static int
-+checkentry(const char *tablename,
-+ const struct ipt_entry *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int targinfosize,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
-+static int
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static bool
-+checkentry(const char *tablename,
-+ const void *e,
-+ const struct xt_target *target,
-+ void *targinfo,
-+ unsigned int hook_mask)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static bool
-+checkentry(const struct xt_tgchk_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+ ip_set_id_t index;
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targinfosize != IPT_ALIGN(sizeof(*info))) {
-+ DP("bad target info size %u", targinfosize);
-+ return 0;
-+ }
-+#endif
-+
-+ if (info->add_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->add_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find add_set index %u as target",
-+ info->add_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+
-+ if (info->del_set.index != IP_SET_INVALID_ID) {
-+ index = ip_set_get_byindex(info->del_set.index);
-+ if (index == IP_SET_INVALID_ID) {
-+ ip_set_printk("cannot find del_set index %u as target",
-+ info->del_set.index);
-+ return 0; /* error */
-+ }
-+ }
-+ if (info->add_set.flags[IP_SET_MAX_BINDINGS] != 0
-+ || info->del_set.flags[IP_SET_MAX_BINDINGS] != 0) {
-+ ip_set_printk("That's nasty!");
-+ return 0; /* error */
-+ }
-+
-+ return 1;
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static void destroy(void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo,
-+ unsigned int targetsize)
-+#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+static void destroy(const struct xt_target *target,
-+ void *targetinfo)
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
-+static void destroy(const struct xt_tgdtor_param *par)
-+#endif
-+{
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
-+ const struct ipt_set_info_target *info = targetinfo;
-+#else
-+ const struct ipt_set_info_target *info = par->targinfo;
-+#endif
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+ if (targetsize != IPT_ALIGN(sizeof(struct ipt_set_info_target))) {
-+ ip_set_printk("invalid targetsize %d", targetsize);
-+ return;
-+ }
-+#endif
-+ if (info->add_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->add_set.index);
-+ if (info->del_set.index != IP_SET_INVALID_ID)
-+ ip_set_put_byindex(info->del_set.index);
-+}
-+
-+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .target = target,
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17) */
-+static struct xt_target SET_target = {
-+ .name = "SET",
-+ .family = AF_INET,
-+ .target = target,
-+ .targetsize = sizeof(struct ipt_set_info_target),
-+ .checkentry = checkentry,
-+ .destroy = destroy,
-+ .me = THIS_MODULE
-+};
-+#endif
-+
-+MODULE_LICENSE("GPL");
-+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
-+MODULE_DESCRIPTION("iptables IP set target module");
-+
-+static int __init ipt_SET_init(void)
-+{
-+ return xt_register_target(&SET_target);
-+}
-+
-+static void __exit ipt_SET_fini(void)
-+{
-+ xt_unregister_target(&SET_target);
-+}
-+
-+module_init(ipt_SET_init);
-+module_exit(ipt_SET_fini);
---- a/net/ipv4/netfilter/Kconfig
-+++ b/net/ipv4/netfilter/Kconfig
-@@ -388,5 +388,146 @@ config IP_NF_ARP_MANGLE
-
- endif # IP_NF_ARPTABLES
-
-+config IP_NF_SET
-+ tristate "IP set support"
-+ depends on INET && NETFILTER
-+ help
-+ This option adds IP set support to the kernel.
-+ In order to define and use sets, you need the userspace utility
-+ ipset(8).
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MAX
-+ int "Maximum number of IP sets"
-+ default 256
-+ range 2 65534
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the maximum number
-+ of IP sets for the kernel.
-+
-+ The value can be overriden by the 'max_sets' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_HASHSIZE
-+ int "Hash size for bindings of IP sets"
-+ default 1024
-+ depends on IP_NF_SET
-+ help
-+ You can define here default value of the hash size for
-+ bindings of IP sets.
-+
-+ The value can be overriden by the 'hash_size' module
-+ parameter of the 'ip_set' module.
-+
-+config IP_NF_SET_IPMAP
-+ tristate "ipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_MACIPMAP
-+ tristate "macipmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the macipmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_PORTMAP
-+ tristate "portmap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the portmap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPHASH
-+ tristate "iphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_NETHASH
-+ tristate "nethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the nethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTHASH
-+ tristate "ipporthash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipporthash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTIPHASH
-+ tristate "ipportiphash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportiphash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPPORTNETHASH
-+ tristate "ipportnethash set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the ipportnethash set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREE
-+ tristate "iptree set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptree set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_IPTREEMAP
-+ tristate "iptreemap set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the iptreemap set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_SET_SETLIST
-+ tristate "setlist set support"
-+ depends on IP_NF_SET
-+ help
-+ This option adds the setlist set type support.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_MATCH_SET
-+ tristate "set match support"
-+ depends on IP_NF_SET
-+ help
-+ Set matching matches against given IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+config IP_NF_TARGET_SET
-+ tristate "SET target support"
-+ depends on IP_NF_SET
-+ help
-+ The SET target makes possible to add/delete entries
-+ in IP sets.
-+ You need the ipset utility to create and set up the sets.
-+
-+ To compile it as a module, choose M here. If unsure, say N.
-+
-+
- endmenu
-
---- a/net/ipv4/netfilter/Makefile
-+++ b/net/ipv4/netfilter/Makefile
-@@ -51,6 +51,7 @@ obj-$(CONFIG_IP_NF_SECURITY) += iptable_
- obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
- obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
- obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
-+obj-$(CONFIG_IP_NF_MATCH_SET) += ipt_set.o
-
- # targets
- obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o
-@@ -61,6 +62,21 @@ obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt
- obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o
- obj-$(CONFIG_IP_NF_TARGET_REJECT) += ipt_REJECT.o
- obj-$(CONFIG_IP_NF_TARGET_ULOG) += ipt_ULOG.o
-+obj-$(CONFIG_IP_NF_TARGET_SET) += ipt_SET.o
-+
-+# sets
-+obj-$(CONFIG_IP_NF_SET) += ip_set.o
-+obj-$(CONFIG_IP_NF_SET_IPMAP) += ip_set_ipmap.o
-+obj-$(CONFIG_IP_NF_SET_PORTMAP) += ip_set_portmap.o
-+obj-$(CONFIG_IP_NF_SET_MACIPMAP) += ip_set_macipmap.o
-+obj-$(CONFIG_IP_NF_SET_IPHASH) += ip_set_iphash.o
-+obj-$(CONFIG_IP_NF_SET_NETHASH) += ip_set_nethash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTHASH) += ip_set_ipporthash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTIPHASH) += ip_set_ipportiphash.o
-+obj-$(CONFIG_IP_NF_SET_IPPORTNETHASH) += ip_set_ipportnethash.o
-+obj-$(CONFIG_IP_NF_SET_IPTREE) += ip_set_iptree.o
-+obj-$(CONFIG_IP_NF_SET_IPTREEMAP) += ip_set_iptreemap.o
-+obj-$(CONFIG_IP_NF_SET_SETLIST) += ip_set_setlist.o
-
- # generic ARP tables
- obj-$(CONFIG_IP_NF_ARPTABLES) += arp_tables.o
projects / openwrt / svn-archive / archive.git / commitdiff