LXR linux/include/uapi/linux/if

   1/*
   2 *      Linux ethernet bridge
   3 *
   4 *      Authors:
   5 *      Lennert Buytenhek               <buytenh@gnu.org>
   6 *
   7 *      This program is free software; you can redistribute it and/or
   8 *      modify it under the terms of the GNU General Public License
   9 *      as published by the Free Software Foundation; either version
  10 *      2 of the License, or (at your option) any later version.
  11 */
  12
  13#ifndef _UAPI_LINUX_IF_BRIDGE_H
  14#define _UAPI_LINUX_IF_BRIDGE_H
  15
  16#include <linux/types.h>
  17#include <linux/if_ether.h>
  18#include <linux/in6.h>
  19
  20#define SYSFS_BRIDGE_ATTR       "bridge"
  21#define SYSFS_BRIDGE_FDB        "brforward"
  22#define SYSFS_BRIDGE_PORT_SUBDIR "brif"
  23#define SYSFS_BRIDGE_PORT_ATTR  "brport"
  24#define SYSFS_BRIDGE_PORT_LINK  "bridge"
  25
  26#define BRCTL_VERSION 1
  27
  28#define BRCTL_GET_VERSION 0
  29#define BRCTL_GET_BRIDGES 1
  30#define BRCTL_ADD_BRIDGE 2
  31#define BRCTL_DEL_BRIDGE 3
  32#define BRCTL_ADD_IF 4
  33#define BRCTL_DEL_IF 5
  34#define BRCTL_GET_BRIDGE_INFO 6
  35#define BRCTL_GET_PORT_LIST 7
  36#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
  37#define BRCTL_SET_BRIDGE_HELLO_TIME 9
  38#define BRCTL_SET_BRIDGE_MAX_AGE 10
  39#define BRCTL_SET_AGEING_TIME 11
  40#define BRCTL_SET_GC_INTERVAL 12
  41#define BRCTL_GET_PORT_INFO 13
  42#define BRCTL_SET_BRIDGE_STP_STATE 14
  43#define BRCTL_SET_BRIDGE_PRIORITY 15
  44#define BRCTL_SET_PORT_PRIORITY 16
  45#define BRCTL_SET_PATH_COST 17
  46#define BRCTL_GET_FDB_ENTRIES 18
  47
  48#define BR_STATE_DISABLED 0
  49#define BR_STATE_LISTENING 1
  50#define BR_STATE_LEARNING 2
  51#define BR_STATE_FORWARDING 3
  52#define BR_STATE_BLOCKING 4
  53
  54struct __bridge_info {
  55        __u64 designated_root;
  56        __u64 bridge_id;
  57        __u32 root_path_cost;
  58        __u32 max_age;
  59        __u32 hello_time;
  60        __u32 forward_delay;
  61        __u32 bridge_max_age;
  62        __u32 bridge_hello_time;
  63        __u32 bridge_forward_delay;
  64        __u8 topology_change;
  65        __u8 topology_change_detected;
  66        __u8 root_port;
  67        __u8 stp_enabled;
  68        __u32 ageing_time;
  69        __u32 gc_interval;
  70        __u32 hello_timer_value;
  71        __u32 tcn_timer_value;
  72        __u32 topology_change_timer_value;
  73        __u32 gc_timer_value;
  74};
  75
  76struct __port_info {
  77        __u64 designated_root;
  78        __u64 designated_bridge;
  79        __u16 port_id;
  80        __u16 designated_port;
  81        __u32 path_cost;
  82        __u32 designated_cost;
  83        __u8 state;
  84        __u8 top_change_ack;
  85        __u8 config_pending;
  86        __u8 unused0;
  87        __u32 message_age_timer_value;
  88        __u32 forward_delay_timer_value;
  89        __u32 hold_timer_value;
  90};
  91
  92struct __fdb_entry {
  93        __u8 mac_addr[ETH_ALEN];
  94        __u8 port_no;
  95        __u8 is_local;
  96        __u32 ageing_timer_value;
  97        __u8 port_hi;
  98        __u8 pad0;
  99        __u16 unused;
 100};
 101
 102/* Bridge Flags */
 103#define BRIDGE_FLAGS_MASTER     1       /* Bridge command to/from master */
 104#define BRIDGE_FLAGS_SELF       2       /* Bridge command to/from lowerdev */
 105
 106#define BRIDGE_MODE_VEB         0       /* Default loopback mode */
 107#define BRIDGE_MODE_VEPA        1       /* 802.1Qbg defined VEPA mode */
 108#define BRIDGE_MODE_UNDEF       0xFFFF  /* mode undefined */
 109
 110/* Bridge management nested attributes
 111 * [IFLA_AF_SPEC] = {
 112 *     [IFLA_BRIDGE_FLAGS]
 113 *     [IFLA_BRIDGE_MODE]
 114 *     [IFLA_BRIDGE_VLAN_INFO]
 115 * }
 116 */
 117enum {
 118        IFLA_BRIDGE_FLAGS,
 119        IFLA_BRIDGE_MODE,
 120        IFLA_BRIDGE_VLAN_INFO,
 121        __IFLA_BRIDGE_MAX,
 122};
 123#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
 124
 125#define BRIDGE_VLAN_INFO_MASTER (1<<0)  /* Operate on Bridge device as well */
 126#define BRIDGE_VLAN_INFO_PVID   (1<<1)  /* VLAN is PVID, ingress untagged */
 127#define BRIDGE_VLAN_INFO_UNTAGGED       (1<<2)  /* VLAN egresses untagged */
 128#define BRIDGE_VLAN_INFO_RANGE_BEGIN    (1<<3) /* VLAN is start of vlan range */
 129#define BRIDGE_VLAN_INFO_RANGE_END      (1<<4) /* VLAN is end of vlan range */
 130#define BRIDGE_VLAN_INFO_BRENTRY        (1<<5) /* Global bridge VLAN entry */
 131
 132struct bridge_vlan_info {
 133        __u16 flags;
 134        __u16 vid;
 135};
 136
 137/* Bridge multicast database attributes
 138 * [MDBA_MDB] = {
 139 *     [MDBA_MDB_ENTRY] = {
 140 *         [MDBA_MDB_ENTRY_INFO] {
 141 *              struct br_mdb_entry
 142 *              [MDBA_MDB_EATTR attributes]
 143 *         }
 144 *     }
 145 * }
 146 * [MDBA_ROUTER] = {
 147 *    [MDBA_ROUTER_PORT] = {
 148 *        u32 ifindex
 149 *        [MDBA_ROUTER_PATTR attributes]
 150 *    }
 151 * }
 152 */
 153enum {
 154        MDBA_UNSPEC,
 155        MDBA_MDB,
 156        MDBA_ROUTER,
 157        __MDBA_MAX,
 158};
 159#define MDBA_MAX (__MDBA_MAX - 1)
 160
 161enum {
 162        MDBA_MDB_UNSPEC,
 163        MDBA_MDB_ENTRY,
 164        __MDBA_MDB_MAX,
 165};
 166#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
 167
 168enum {
 169        MDBA_MDB_ENTRY_UNSPEC,
 170        MDBA_MDB_ENTRY_INFO,
 171        __MDBA_MDB_ENTRY_MAX,
 172};
 173#define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)
 174
 175/* per mdb entry additional attributes */
 176enum {
 177        MDBA_MDB_EATTR_UNSPEC,
 178        MDBA_MDB_EATTR_TIMER,
 179        __MDBA_MDB_EATTR_MAX
 180};
 181#define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1)
 182
 183/* multicast router types */
 184enum {
 185        MDB_RTR_TYPE_DISABLED,
 186        MDB_RTR_TYPE_TEMP_QUERY,
 187        MDB_RTR_TYPE_PERM,
 188        MDB_RTR_TYPE_TEMP
 189};
 190
 191enum {
 192        MDBA_ROUTER_UNSPEC,
 193        MDBA_ROUTER_PORT,
 194        __MDBA_ROUTER_MAX,
 195};
 196#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
 197
 198/* router port attributes */
 199enum {
 200        MDBA_ROUTER_PATTR_UNSPEC,
 201        MDBA_ROUTER_PATTR_TIMER,
 202        MDBA_ROUTER_PATTR_TYPE,
 203        __MDBA_ROUTER_PATTR_MAX
 204};
 205#define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1)
 206
 207struct br_port_msg {
 208        __u8  family;
 209        __u32 ifindex;
 210};
 211
 212struct br_mdb_entry {
 213        __u32 ifindex;
 214#define MDB_TEMPORARY 0
 215#define MDB_PERMANENT 1
 216        __u8 state;
 217#define MDB_FLAGS_OFFLOAD       (1 << 0)
 218        __u8 flags;
 219        __u16 vid;
 220        struct {
 221                union {
 222                        __be32  ip4;
 223                        struct in6_addr ip6;
 224                } u;
 225                __be16          proto;
 226        } addr;
 227};
 228
 229enum {
 230        MDBA_SET_ENTRY_UNSPEC,
 231        MDBA_SET_ENTRY,
 232        __MDBA_SET_ENTRY_MAX,
 233};
 234#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
 235
 236#endif /* _UAPI_LINUX_IF_BRIDGE_H */
 237