2 * Linux ethernet bridge
5 * Lennert Buytenhek <buytenh@gnu.org>
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.
13 #ifndef _UAPI_LINUX_IF_BRIDGE_H
14 #define _UAPI_LINUX_IF_BRIDGE_H
16 #include <linux/types.h>
17 #include <linux/if_ether.h>
18 #include <linux/in6.h>
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"
26 #define BRCTL_VERSION 1
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
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
54 struct __bridge_info {
55 __u64 designated_root;
62 __u32 bridge_hello_time;
63 __u32 bridge_forward_delay;
65 __u8 topology_change_detected;
70 __u32 hello_timer_value;
71 __u32 tcn_timer_value;
72 __u32 topology_change_timer_value;
77 __u64 designated_root;
78 __u64 designated_bridge;
80 __u16 designated_port;
82 __u32 designated_cost;
87 __u32 message_age_timer_value;
88 __u32 forward_delay_timer_value;
89 __u32 hold_timer_value;
93 __u8 mac_addr[ETH_ALEN];
96 __u32 ageing_timer_value;
103 #define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */
104 #define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */
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 */
110 /* Bridge management nested attributes
112 * [IFLA_BRIDGE_FLAGS]
114 * [IFLA_BRIDGE_VLAN_INFO]
120 IFLA_BRIDGE_VLAN_INFO,
123 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
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 */
132 struct bridge_vlan_info {
137 struct bridge_vlan_xstats {
147 /* Bridge multicast database attributes
149 * [MDBA_MDB_ENTRY] = {
150 * [MDBA_MDB_ENTRY_INFO] {
151 * struct br_mdb_entry
152 * [MDBA_MDB_EATTR attributes]
157 * [MDBA_ROUTER_PORT] = {
159 * [MDBA_ROUTER_PATTR attributes]
169 #define MDBA_MAX (__MDBA_MAX - 1)
176 #define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
179 MDBA_MDB_ENTRY_UNSPEC,
181 __MDBA_MDB_ENTRY_MAX,
183 #define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)
185 /* per mdb entry additional attributes */
187 MDBA_MDB_EATTR_UNSPEC,
188 MDBA_MDB_EATTR_TIMER,
191 #define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1)
193 /* multicast router types */
195 MDB_RTR_TYPE_DISABLED,
196 MDB_RTR_TYPE_TEMP_QUERY,
206 #define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
208 /* router port attributes */
210 MDBA_ROUTER_PATTR_UNSPEC,
211 MDBA_ROUTER_PATTR_TIMER,
212 MDBA_ROUTER_PATTR_TYPE,
213 __MDBA_ROUTER_PATTR_MAX
215 #define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1)
222 struct br_mdb_entry {
224 #define MDB_TEMPORARY 0
225 #define MDB_PERMANENT 1
227 #define MDB_FLAGS_OFFLOAD (1 << 0)
240 MDBA_SET_ENTRY_UNSPEC,
242 __MDBA_SET_ENTRY_MAX,
244 #define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
246 /* Embedded inside LINK_XSTATS_TYPE_BRIDGE */
248 BRIDGE_XSTATS_UNSPEC,
252 #define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1)
254 #endif /* _UAPI_LINUX_IF_BRIDGE_H */