system.h

   1 /*
   2  * netifd - network interface daemon
   3  * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2
   7  * as published by the Free Software Foundation
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14 #ifndef __NETIFD_SYSTEM_H
  15 #define __NETIFD_SYSTEM_H
  16
  17 #include <net/if.h>
  18 #include <sys/time.h>
  19 #include <sys/socket.h>
  20 #include <arpa/inet.h>
  21 #include "device.h"
  22 #include "interface-ip.h"
  23 #include "iprule.h"
  24 #include "utils.h"
  25
  26 enum tunnel_param {
  27         TUNNEL_ATTR_TYPE,
  28         TUNNEL_ATTR_REMOTE,
  29         TUNNEL_ATTR_LOCAL,
  30         TUNNEL_ATTR_MTU,
  31         TUNNEL_ATTR_DF,
  32         TUNNEL_ATTR_TTL,
  33         TUNNEL_ATTR_TOS,
  34         TUNNEL_ATTR_LINK,
  35         TUNNEL_ATTR_DATA,
  36         __TUNNEL_ATTR_MAX
  37 };
  38
  39 extern const struct uci_blob_param_list tunnel_attr_list;
  40
  41 enum vxlan_data {
  42         VXLAN_DATA_ATTR_ID,
  43         VXLAN_DATA_ATTR_PORT,
  44         VXLAN_DATA_ATTR_MACADDR,
  45         VXLAN_DATA_ATTR_RXCSUM,
  46         VXLAN_DATA_ATTR_TXCSUM,
  47         __VXLAN_DATA_ATTR_MAX
  48 };
  49
  50 enum gre_data {
  51         GRE_DATA_IKEY,
  52         GRE_DATA_OKEY,
  53         GRE_DATA_ICSUM,
  54         GRE_DATA_OCSUM,
  55         GRE_DATA_ISEQNO,
  56         GRE_DATA_OSEQNO,
  57         GRE_DATA_ENCAPLIMIT,
  58         __GRE_DATA_ATTR_MAX
  59 };
  60
  61 enum vti_data {
  62         VTI_DATA_IKEY,
  63         VTI_DATA_OKEY,
  64         __VTI_DATA_ATTR_MAX
  65 };
  66
  67 enum xfrm_data {
  68         XFRM_DATA_IF_ID,
  69         __XFRM_DATA_ATTR_MAX
  70 };
  71
  72 enum sixrd_data {
  73         SIXRD_DATA_PREFIX,
  74         SIXRD_DATA_RELAY_PREFIX,
  75         __SIXRD_DATA_ATTR_MAX
  76 };
  77
  78 enum ipip6_data {
  79         IPIP6_DATA_ENCAPLIMIT,
  80         IPIP6_DATA_FMRS,
  81         __IPIP6_DATA_ATTR_MAX
  82 };
  83
  84 enum fmr_data {
  85         FMR_DATA_PREFIX6,
  86         FMR_DATA_PREFIX4,
  87         FMR_DATA_EALEN,
  88         FMR_DATA_OFFSET,
  89         __FMR_DATA_ATTR_MAX
  90 };
  91
  92 extern const struct uci_blob_param_list vxlan_data_attr_list;
  93 extern const struct uci_blob_param_list gre_data_attr_list;
  94 extern const struct uci_blob_param_list vti_data_attr_list;
  95 extern const struct uci_blob_param_list xfrm_data_attr_list;
  96 extern const struct uci_blob_param_list sixrd_data_attr_list;
  97 extern const struct uci_blob_param_list ipip6_data_attr_list;
  98 extern const struct uci_blob_param_list fmr_data_attr_list;
  99
 100 enum bridge_opt {
 101         /* stp and forward delay always set */
 102         BRIDGE_OPT_AGEING_TIME              = (1 << 0),
 103         BRIDGE_OPT_HELLO_TIME               = (1 << 1),
 104         BRIDGE_OPT_MAX_AGE                  = (1 << 2),
 105         BRIDGE_OPT_ROBUSTNESS               = (1 << 3),
 106         BRIDGE_OPT_QUERY_INTERVAL           = (1 << 4),
 107         BRIDGE_OPT_QUERY_RESPONSE_INTERVAL  = (1 << 5),
 108         BRIDGE_OPT_LAST_MEMBER_INTERVAL     = (1 << 6),
 109 };
 110
 111 struct bridge_config {
 112         enum bridge_opt flags;
 113         bool stp;
 114
 115         bool igmp_snoop;
 116         bool multicast_querier;
 117         int robustness;
 118         int query_interval;
 119         int query_response_interval;
 120         int last_member_interval;
 121
 122         unsigned short priority;
 123         int forward_delay;
 124         bool bridge_empty;
 125
 126         int ageing_time;
 127         int hello_time;
 128         int max_age;
 129         int hash_max;
 130
 131         bool vlan_filtering;
 132 };
 133
 134 enum macvlan_opt {
 135         MACVLAN_OPT_MACADDR = (1 << 0),
 136 };
 137
 138 struct macvlan_config {
 139         const char *mode;
 140
 141         enum macvlan_opt flags;
 142         unsigned char macaddr[6];
 143 };
 144
 145 enum veth_opt {
 146         VETH_OPT_MACADDR = (1 << 0),
 147         VETH_OPT_PEER_NAME = (1 << 1),
 148         VETH_OPT_PEER_MACADDR = (1 << 2),
 149 };
 150
 151 struct veth_config {
 152         enum veth_opt flags;
 153
 154         unsigned char macaddr[6];
 155         char peer_name[IFNAMSIZ];
 156         unsigned char peer_macaddr[6];
 157 };
 158
 159 enum vlan_proto {
 160         VLAN_PROTO_8021Q = 0x8100,
 161         VLAN_PROTO_8021AD = 0x88A8
 162 };
 163
 164 struct vlan_qos_mapping {
 165         struct vlist_simple_node node; /* entry in vlandev_config->{e,in}gress_qos_mapping_list */
 166         uint32_t from;
 167         uint32_t to;
 168 };
 169
 170 struct vlandev_config {
 171         enum vlan_proto proto;
 172         uint16_t vid;
 173         struct vlist_simple_tree ingress_qos_mapping_list; /* list of struct vlan_qos_mapping */
 174         struct vlist_simple_tree egress_qos_mapping_list;  /* list of struct vlan_qos_mapping */
 175 };
 176
 177 static inline int system_get_addr_family(unsigned int flags)
 178 {
 179         if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
 180                 return AF_INET6;
 181         else
 182                 return AF_INET;
 183 }
 184
 185 static inline int system_get_addr_len(unsigned int flags)
 186 {
 187         if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
 188                 return sizeof(struct in_addr);
 189         else
 190                 return sizeof(struct in6_addr);
 191 }
 192
 193 int system_init(void);
 194
 195 int system_bridge_addbr(struct device *bridge, struct bridge_config *cfg);
 196 int system_bridge_delbr(struct device *bridge);
 197 int system_bridge_addif(struct device *bridge, struct device *dev);
 198 int system_bridge_delif(struct device *bridge, struct device *dev);
 199 int system_bridge_vlan(const char *iface, uint16_t vid, bool add, unsigned int vflags);
 200
 201 int system_macvlan_add(struct device *macvlan, struct device *dev, struct macvlan_config *cfg);
 202 int system_macvlan_del(struct device *macvlan);
 203
 204 int system_veth_add(struct device *veth, struct veth_config *cfg);
 205 int system_veth_del(struct device *veth);
 206
 207 int system_vlan_add(struct device *dev, int id);
 208 int system_vlan_del(struct device *dev);
 209
 210 int system_vlandev_add(struct device *vlandev, struct device *dev, struct vlandev_config *cfg);
 211 int system_vlandev_del(struct device *vlandev);
 212
 213 void system_if_get_settings(struct device *dev, struct device_settings *s);
 214 void system_if_clear_state(struct device *dev);
 215 int system_if_up(struct device *dev);
 216 int system_if_down(struct device *dev);
 217 int system_if_check(struct device *dev);
 218 int system_if_resolve(struct device *dev);
 219
 220 int system_if_dump_info(struct device *dev, struct blob_buf *b);
 221 int system_if_dump_stats(struct device *dev, struct blob_buf *b);
 222 struct device *system_if_get_parent(struct device *dev);
 223 bool system_if_force_external(const char *ifname);
 224 void system_if_apply_settings(struct device *dev, struct device_settings *s,
 225                               unsigned int apply_mask);
 226
 227 int system_add_address(struct device *dev, struct device_addr *addr);
 228 int system_del_address(struct device *dev, struct device_addr *addr);
 229
 230 int system_add_route(struct device *dev, struct device_route *route);
 231 int system_del_route(struct device *dev, struct device_route *route);
 232 int system_flush_routes(void);
 233
 234 int system_add_neighbor(struct device *dev, struct device_neighbor * neighbor);
 235 int system_del_neighbor(struct device *dev, struct device_neighbor * neighbor);
 236
 237 bool system_resolve_rt_type(const char *type, unsigned int *id);
 238 bool system_resolve_rt_proto(const char *type, unsigned int *id);
 239 bool system_resolve_rt_table(const char *name, unsigned int *id);
 240 bool system_is_default_rt_table(unsigned int id);
 241 bool system_resolve_rpfilter(const char *filter, unsigned int *id);
 242
 243 int system_del_ip_tunnel(const char *name, struct blob_attr *attr);
 244 int system_add_ip_tunnel(const char *name, struct blob_attr *attr);
 245
 246 int system_add_iprule(struct iprule *rule);
 247 int system_del_iprule(struct iprule *rule);
 248 int system_flush_iprules(void);
 249
 250 bool system_resolve_iprule_action(const char *action, unsigned int *id);
 251
 252 time_t system_get_rtime(void);
 253
 254 void system_fd_set_cloexec(int fd);
 255
 256 int system_update_ipv6_mtu(struct device *dev, int mtu);
 257
 258 int system_link_netns_move(struct device *dev, const pid_t target_ns, const char *target_ifname);
 259 int system_netns_open(const pid_t target_ns);
 260 int system_netns_set(int netns_fd);
 261
 262 #endif