+++ /dev/null
-From: Pablo Neira Ayuso <pablo@netfilter.org>
-Date: Sat, 9 Dec 2017 17:05:53 +0100
-Subject: [PATCH] netfilter: remove struct nf_afinfo and its helper functions
-
-This abstraction has no clients anymore, remove it.
-
-This is what remains from previous authors, so correct copyright
-statement after recent modifications and code removal.
-
-Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
----
-
---- a/include/linux/netfilter.h
-+++ b/include/linux/netfilter.h
-@@ -309,16 +309,6 @@ int skb_make_writable(struct sk_buff *sk
- struct flowi;
- struct nf_queue_entry;
-
--struct nf_afinfo {
-- unsigned short family;
--};
--
--extern const struct nf_afinfo __rcu *nf_afinfo[NFPROTO_NUMPROTO];
--static inline const struct nf_afinfo *nf_get_afinfo(unsigned short family)
--{
-- return rcu_dereference(nf_afinfo[family]);
--}
--
- __sum16 nf_checksum(struct sk_buff *skb, unsigned int hook,
- unsigned int dataoff, u_int8_t protocol,
- unsigned short family);
-@@ -330,9 +320,6 @@ int nf_route(struct net *net, struct dst
- bool strict, unsigned short family);
- int nf_reroute(struct sk_buff *skb, struct nf_queue_entry *entry);
-
--int nf_register_afinfo(const struct nf_afinfo *afinfo);
--void nf_unregister_afinfo(const struct nf_afinfo *afinfo);
--
- #include <net/flow.h>
- extern void (*nf_nat_decode_session_hook)(struct sk_buff *, struct flowi *);
-
---- a/net/bridge/netfilter/nf_tables_bridge.c
-+++ b/net/bridge/netfilter/nf_tables_bridge.c
-@@ -95,30 +95,23 @@ static const struct nf_chain_type filter
- (1 << NF_BR_POST_ROUTING),
- };
-
--static const struct nf_afinfo nf_br_afinfo = {
-- .family = AF_BRIDGE,
-- .route_key_size = 0,
--};
--
- static int __init nf_tables_bridge_init(void)
- {
- int ret;
-
-- nf_register_afinfo(&nf_br_afinfo);
- ret = nft_register_chain_type(&filter_bridge);
- if (ret < 0)
-- goto err1;
-+ return ret;
-
- ret = register_pernet_subsys(&nf_tables_bridge_net_ops);
- if (ret < 0)
-- goto err2;
-+ goto err_register_subsys;
-
- return ret;
-
--err2:
-+err_register_subsys:
- nft_unregister_chain_type(&filter_bridge);
--err1:
-- nf_unregister_afinfo(&nf_br_afinfo);
-+
- return ret;
- }
-
-@@ -126,7 +119,6 @@ static void __exit nf_tables_bridge_exit
- {
- unregister_pernet_subsys(&nf_tables_bridge_net_ops);
- nft_unregister_chain_type(&filter_bridge);
-- nf_unregister_afinfo(&nf_br_afinfo);
- }
-
- module_init(nf_tables_bridge_init);
---- a/net/ipv4/netfilter.c
-+++ b/net/ipv4/netfilter.c
-@@ -161,13 +161,3 @@ int nf_ip_route(struct net *net, struct
- return 0;
- }
- EXPORT_SYMBOL_GPL(nf_ip_route);
--
--static const struct nf_afinfo nf_ip_afinfo = {
-- .family = AF_INET,
--};
--
--static int __init ipv4_netfilter_init(void)
--{
-- return nf_register_afinfo(&nf_ip_afinfo);
--}
--subsys_initcall(ipv4_netfilter_init);
---- a/net/ipv6/netfilter.c
-+++ b/net/ipv6/netfilter.c
-@@ -175,14 +175,10 @@ static const struct nf_ipv6_ops ipv6ops
- .reroute = nf_ip6_reroute,
- };
-
--static const struct nf_afinfo nf_ip6_afinfo = {
-- .family = AF_INET6,
--};
--
- int __init ipv6_netfilter_init(void)
- {
- RCU_INIT_POINTER(nf_ipv6_ops, &ipv6ops);
-- return nf_register_afinfo(&nf_ip6_afinfo);
-+ return 0;
- }
-
- /* This can be called from inet6_init() on errors, so it cannot
-@@ -191,5 +187,4 @@ int __init ipv6_netfilter_init(void)
- void ipv6_netfilter_fini(void)
- {
- RCU_INIT_POINTER(nf_ipv6_ops, NULL);
-- nf_unregister_afinfo(&nf_ip6_afinfo);
- }
---- a/net/netfilter/core.c
-+++ b/net/netfilter/core.c
-@@ -4,8 +4,7 @@
- * Thanks to Rob `CmdrTaco' Malda for not influencing this code in any
- * way.
- *
-- * Rusty Russell (C)2000 -- This code is GPL.
-- * Patrick McHardy (c) 2006-2012
-+ * This code is GPL.
- */
- #include <linux/kernel.h>
- #include <linux/netfilter.h>
-@@ -28,34 +27,12 @@
-
- #include "nf_internals.h"
-
--static DEFINE_MUTEX(afinfo_mutex);
--
--const struct nf_afinfo __rcu *nf_afinfo[NFPROTO_NUMPROTO] __read_mostly;
--EXPORT_SYMBOL(nf_afinfo);
- const struct nf_ipv6_ops __rcu *nf_ipv6_ops __read_mostly;
- EXPORT_SYMBOL_GPL(nf_ipv6_ops);
-
- DEFINE_PER_CPU(bool, nf_skb_duplicated);
- EXPORT_SYMBOL_GPL(nf_skb_duplicated);
-
--int nf_register_afinfo(const struct nf_afinfo *afinfo)
--{
-- mutex_lock(&afinfo_mutex);
-- RCU_INIT_POINTER(nf_afinfo[afinfo->family], afinfo);
-- mutex_unlock(&afinfo_mutex);
-- return 0;
--}
--EXPORT_SYMBOL_GPL(nf_register_afinfo);
--
--void nf_unregister_afinfo(const struct nf_afinfo *afinfo)
--{
-- mutex_lock(&afinfo_mutex);
-- RCU_INIT_POINTER(nf_afinfo[afinfo->family], NULL);
-- mutex_unlock(&afinfo_mutex);
-- synchronize_rcu();
--}
--EXPORT_SYMBOL_GPL(nf_unregister_afinfo);
--
- #ifdef HAVE_JUMP_LABEL
- struct static_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS];
- EXPORT_SYMBOL(nf_hooks_needed);
projects / openwrt / staging / wigyori.git / blobdiff