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linux
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
18#define SYSFS_BRIDGE_ATTR "bridge"
19#define SYSFS_BRIDGE_FDB "brforward"
20#define SYSFS_BRIDGE_PORT_SUBDIR "brif"
21#define SYSFS_BRIDGE_PORT_ATTR "brport"
22#define SYSFS_BRIDGE_PORT_LINK "bridge"
23
24#define BRCTL_VERSION 1
25
26#define BRCTL_GET_VERSION 0
27#define BRCTL_GET_BRIDGES 1
28#define BRCTL_ADD_BRIDGE 2
29#define BRCTL_DEL_BRIDGE 3
30#define BRCTL_ADD_IF 4
31#define BRCTL_DEL_IF 5
32#define BRCTL_GET_BRIDGE_INFO 6
33#define BRCTL_GET_PORT_LIST 7
34#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
35#define BRCTL_SET_BRIDGE_HELLO_TIME 9
36#define BRCTL_SET_BRIDGE_MAX_AGE 10
37#define BRCTL_SET_AGEING_TIME 11
38#define BRCTL_SET_GC_INTERVAL 12
39#define BRCTL_GET_PORT_INFO 13
40#define BRCTL_SET_BRIDGE_STP_STATE 14
41#define BRCTL_SET_BRIDGE_PRIORITY 15
42#define BRCTL_SET_PORT_PRIORITY 16
43#define BRCTL_SET_PATH_COST 17
44#define BRCTL_GET_FDB_ENTRIES 18
45
46#define BR_STATE_DISABLED 0
47#define BR_STATE_LISTENING 1
48#define BR_STATE_LEARNING 2
49#define BR_STATE_FORWARDING 3
50#define BR_STATE_BLOCKING 4
51
52struct __bridge_info {
53 __u64 designated_root;
54 __u64 bridge_id;
55 __u32 root_path_cost;
56 __u32 max_age;
57 __u32 hello_time;
58 __u32 forward_delay;
59 __u32 bridge_max_age;
60 __u32 bridge_hello_time;
61 __u32 bridge_forward_delay;
62 __u8 topology_change;
63 __u8 topology_change_detected;
64 __u8 root_port;
65 __u8 stp_enabled;
66 __u32 ageing_time;
67 __u32 gc_interval;
68 __u32 hello_timer_value;
69 __u32 tcn_timer_value;
70 __u32 topology_change_timer_value;
71 __u32 gc_timer_value;
72};
73
74struct __port_info {
75 __u64 designated_root;
76 __u64 designated_bridge;
77 __u16 port_id;
78 __u16 designated_port;
79 __u32 path_cost;
80 __u32 designated_cost;
81 __u8 state;
82 __u8 top_change_ack;
83 __u8 config_pending;
84 __u8 unused0;
85 __u32 message_age_timer_value;
86 __u32 forward_delay_timer_value;
87 __u32 hold_timer_value;
88};
89
90struct __fdb_entry {
91 __u8 mac_addr[6];
92 __u8 port_no;
93 __u8 is_local;
94 __u32 ageing_timer_value;
95 __u8 port_hi;
96 __u8 pad0;
97 __u16 unused;
98};
99
100/* Bridge Flags */
101#define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */
102#define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */
103
104#define BRIDGE_MODE_VEB 0 /* Default loopback mode */
105#define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */
106
107/* Bridge management nested attributes
108 * [IFLA_AF_SPEC] = {
109 * [IFLA_BRIDGE_FLAGS]
110 * [IFLA_BRIDGE_MODE]
111 * [IFLA_BRIDGE_VLAN_INFO]
112 * }
113 */
114enum {
115 IFLA_BRIDGE_FLAGS,
116 IFLA_BRIDGE_MODE,
117 IFLA_BRIDGE_VLAN_INFO,
118 __IFLA_BRIDGE_MAX,
119};
120#define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
121
122#define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */
123#define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */
124#define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */
125
126struct bridge_vlan_info {
127 __u16 flags;
128 __u16 vid;
129};
130
131/* Bridge multicast database attributes
132 * [MDBA_MDB] = {
133 * [MDBA_MDB_ENTRY] = {
134 * [MDBA_MDB_ENTRY_INFO]
135 * }
136 * }
137 * [MDBA_ROUTER] = {
138 * [MDBA_ROUTER_PORT]
139 * }
140 */
141enum {
142 MDBA_UNSPEC,
143 MDBA_MDB,
144 MDBA_ROUTER,
145 __MDBA_MAX,
146};
147#define MDBA_MAX (__MDBA_MAX - 1)
148
149enum {
150 MDBA_MDB_UNSPEC,
151 MDBA_MDB_ENTRY,
152 __MDBA_MDB_MAX,
153};
154#define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1)
155
156enum {
157 MDBA_MDB_ENTRY_UNSPEC,
158 MDBA_MDB_ENTRY_INFO,
159 __MDBA_MDB_ENTRY_MAX,
160};
161#define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1)
162
163enum {
164 MDBA_ROUTER_UNSPEC,
165 MDBA_ROUTER_PORT,
166 __MDBA_ROUTER_MAX,
167};
168#define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1)
169
170struct br_port_msg {
171 __u8 family;
172 __u32 ifindex;
173};
174
175struct br_mdb_entry {
176 __u32 ifindex;
177#define MDB_TEMPORARY 0
178#define MDB_PERMANENT 1
179 __u8 state;
180 struct {
181 union {
182 __be32 ip4;
183 struct in6_addr ip6;
184 } u;
185 __be16 proto;
186 } addr;
187};
188
189enum {
190 MDBA_SET_ENTRY_UNSPEC,
191 MDBA_SET_ENTRY,
192 __MDBA_SET_ENTRY_MAX,
193};
194#define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1)
195
196#endif /* _UAPI_LINUX_IF_BRIDGE_H */