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ba914908 | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
08342500 SH |
2 | /* |
3 | * Linux ethernet bridge | |
4 | * | |
5 | * Authors: | |
6 | * Lennert Buytenhek <buytenh@gnu.org> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * as published by the Free Software Foundation; either version | |
11 | * 2 of the License, or (at your option) any later version. | |
12 | */ | |
13 | ||
14 | #ifndef _LINUX_IF_BRIDGE_H | |
15 | #define _LINUX_IF_BRIDGE_H | |
16 | ||
17 | #include <linux/types.h> | |
6b2ed935 | 18 | #include <linux/if_ether.h> |
e9c4b7c3 | 19 | #include <linux/in6.h> |
08342500 SH |
20 | |
21 | #define SYSFS_BRIDGE_ATTR "bridge" | |
22 | #define SYSFS_BRIDGE_FDB "brforward" | |
23 | #define SYSFS_BRIDGE_PORT_SUBDIR "brif" | |
24 | #define SYSFS_BRIDGE_PORT_ATTR "brport" | |
25 | #define SYSFS_BRIDGE_PORT_LINK "bridge" | |
26 | ||
27 | #define BRCTL_VERSION 1 | |
28 | ||
29 | #define BRCTL_GET_VERSION 0 | |
30 | #define BRCTL_GET_BRIDGES 1 | |
31 | #define BRCTL_ADD_BRIDGE 2 | |
32 | #define BRCTL_DEL_BRIDGE 3 | |
33 | #define BRCTL_ADD_IF 4 | |
34 | #define BRCTL_DEL_IF 5 | |
35 | #define BRCTL_GET_BRIDGE_INFO 6 | |
36 | #define BRCTL_GET_PORT_LIST 7 | |
37 | #define BRCTL_SET_BRIDGE_FORWARD_DELAY 8 | |
38 | #define BRCTL_SET_BRIDGE_HELLO_TIME 9 | |
39 | #define BRCTL_SET_BRIDGE_MAX_AGE 10 | |
40 | #define BRCTL_SET_AGEING_TIME 11 | |
41 | #define BRCTL_SET_GC_INTERVAL 12 | |
42 | #define BRCTL_GET_PORT_INFO 13 | |
43 | #define BRCTL_SET_BRIDGE_STP_STATE 14 | |
44 | #define BRCTL_SET_BRIDGE_PRIORITY 15 | |
45 | #define BRCTL_SET_PORT_PRIORITY 16 | |
46 | #define BRCTL_SET_PATH_COST 17 | |
47 | #define BRCTL_GET_FDB_ENTRIES 18 | |
48 | ||
49 | #define BR_STATE_DISABLED 0 | |
50 | #define BR_STATE_LISTENING 1 | |
51 | #define BR_STATE_LEARNING 2 | |
52 | #define BR_STATE_FORWARDING 3 | |
53 | #define BR_STATE_BLOCKING 4 | |
54 | ||
55 | struct __bridge_info { | |
56 | __u64 designated_root; | |
57 | __u64 bridge_id; | |
58 | __u32 root_path_cost; | |
59 | __u32 max_age; | |
60 | __u32 hello_time; | |
61 | __u32 forward_delay; | |
62 | __u32 bridge_max_age; | |
63 | __u32 bridge_hello_time; | |
64 | __u32 bridge_forward_delay; | |
65 | __u8 topology_change; | |
66 | __u8 topology_change_detected; | |
67 | __u8 root_port; | |
68 | __u8 stp_enabled; | |
69 | __u32 ageing_time; | |
70 | __u32 gc_interval; | |
71 | __u32 hello_timer_value; | |
72 | __u32 tcn_timer_value; | |
73 | __u32 topology_change_timer_value; | |
74 | __u32 gc_timer_value; | |
75 | }; | |
76 | ||
77 | struct __port_info { | |
78 | __u64 designated_root; | |
79 | __u64 designated_bridge; | |
80 | __u16 port_id; | |
81 | __u16 designated_port; | |
82 | __u32 path_cost; | |
83 | __u32 designated_cost; | |
84 | __u8 state; | |
85 | __u8 top_change_ack; | |
86 | __u8 config_pending; | |
87 | __u8 unused0; | |
88 | __u32 message_age_timer_value; | |
89 | __u32 forward_delay_timer_value; | |
90 | __u32 hold_timer_value; | |
91 | }; | |
92 | ||
93 | struct __fdb_entry { | |
6b2ed935 | 94 | __u8 mac_addr[ETH_ALEN]; |
08342500 SH |
95 | __u8 port_no; |
96 | __u8 is_local; | |
97 | __u32 ageing_timer_value; | |
98 | __u8 port_hi; | |
99 | __u8 pad0; | |
100 | __u16 unused; | |
101 | }; | |
102 | ||
103 | /* Bridge Flags */ | |
104 | #define BRIDGE_FLAGS_MASTER 1 /* Bridge command to/from master */ | |
105 | #define BRIDGE_FLAGS_SELF 2 /* Bridge command to/from lowerdev */ | |
106 | ||
107 | #define BRIDGE_MODE_VEB 0 /* Default loopback mode */ | |
108 | #define BRIDGE_MODE_VEPA 1 /* 802.1Qbg defined VEPA mode */ | |
093f18fd | 109 | #define BRIDGE_MODE_UNDEF 0xFFFF /* mode undefined */ |
08342500 SH |
110 | |
111 | /* Bridge management nested attributes | |
112 | * [IFLA_AF_SPEC] = { | |
113 | * [IFLA_BRIDGE_FLAGS] | |
114 | * [IFLA_BRIDGE_MODE] | |
609106d3 | 115 | * [IFLA_BRIDGE_VLAN_INFO] |
08342500 SH |
116 | * } |
117 | */ | |
118 | enum { | |
119 | IFLA_BRIDGE_FLAGS, | |
120 | IFLA_BRIDGE_MODE, | |
609106d3 | 121 | IFLA_BRIDGE_VLAN_INFO, |
985091aa | 122 | IFLA_BRIDGE_VLAN_TUNNEL_INFO, |
08342500 SH |
123 | __IFLA_BRIDGE_MAX, |
124 | }; | |
125 | #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1) | |
126 | ||
609106d3 SH |
127 | #define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */ |
128 | #define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */ | |
129 | #define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */ | |
f233410d SH |
130 | #define BRIDGE_VLAN_INFO_RANGE_BEGIN (1<<3) /* VLAN is start of vlan range */ |
131 | #define BRIDGE_VLAN_INFO_RANGE_END (1<<4) /* VLAN is end of vlan range */ | |
23e90509 | 132 | #define BRIDGE_VLAN_INFO_BRENTRY (1<<5) /* Global bridge VLAN entry */ |
609106d3 SH |
133 | |
134 | struct bridge_vlan_info { | |
135 | __u16 flags; | |
136 | __u16 vid; | |
137 | }; | |
138 | ||
985091aa SH |
139 | enum { |
140 | IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC, | |
141 | IFLA_BRIDGE_VLAN_TUNNEL_ID, | |
142 | IFLA_BRIDGE_VLAN_TUNNEL_VID, | |
143 | IFLA_BRIDGE_VLAN_TUNNEL_FLAGS, | |
144 | __IFLA_BRIDGE_VLAN_TUNNEL_MAX, | |
145 | }; | |
146 | ||
147 | #define IFLA_BRIDGE_VLAN_TUNNEL_MAX (__IFLA_BRIDGE_VLAN_TUNNEL_MAX - 1) | |
148 | ||
31ce6e01 SH |
149 | struct bridge_vlan_xstats { |
150 | __u64 rx_bytes; | |
151 | __u64 rx_packets; | |
152 | __u64 tx_bytes; | |
153 | __u64 tx_packets; | |
154 | __u16 vid; | |
380656f8 | 155 | __u16 flags; |
31ce6e01 SH |
156 | __u32 pad2; |
157 | }; | |
158 | ||
08342500 SH |
159 | /* Bridge multicast database attributes |
160 | * [MDBA_MDB] = { | |
161 | * [MDBA_MDB_ENTRY] = { | |
2421ab75 SH |
162 | * [MDBA_MDB_ENTRY_INFO] { |
163 | * struct br_mdb_entry | |
164 | * [MDBA_MDB_EATTR attributes] | |
165 | * } | |
08342500 SH |
166 | * } |
167 | * } | |
168 | * [MDBA_ROUTER] = { | |
2421ab75 SH |
169 | * [MDBA_ROUTER_PORT] = { |
170 | * u32 ifindex | |
171 | * [MDBA_ROUTER_PATTR attributes] | |
172 | * } | |
08342500 SH |
173 | * } |
174 | */ | |
175 | enum { | |
176 | MDBA_UNSPEC, | |
177 | MDBA_MDB, | |
178 | MDBA_ROUTER, | |
179 | __MDBA_MAX, | |
180 | }; | |
181 | #define MDBA_MAX (__MDBA_MAX - 1) | |
182 | ||
183 | enum { | |
184 | MDBA_MDB_UNSPEC, | |
185 | MDBA_MDB_ENTRY, | |
186 | __MDBA_MDB_MAX, | |
187 | }; | |
188 | #define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1) | |
189 | ||
190 | enum { | |
191 | MDBA_MDB_ENTRY_UNSPEC, | |
192 | MDBA_MDB_ENTRY_INFO, | |
193 | __MDBA_MDB_ENTRY_MAX, | |
194 | }; | |
195 | #define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1) | |
196 | ||
2421ab75 SH |
197 | /* per mdb entry additional attributes */ |
198 | enum { | |
199 | MDBA_MDB_EATTR_UNSPEC, | |
200 | MDBA_MDB_EATTR_TIMER, | |
201 | __MDBA_MDB_EATTR_MAX | |
202 | }; | |
203 | #define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1) | |
204 | ||
205 | /* multicast router types */ | |
206 | enum { | |
207 | MDB_RTR_TYPE_DISABLED, | |
208 | MDB_RTR_TYPE_TEMP_QUERY, | |
209 | MDB_RTR_TYPE_PERM, | |
210 | MDB_RTR_TYPE_TEMP | |
211 | }; | |
212 | ||
08342500 SH |
213 | enum { |
214 | MDBA_ROUTER_UNSPEC, | |
215 | MDBA_ROUTER_PORT, | |
216 | __MDBA_ROUTER_MAX, | |
217 | }; | |
218 | #define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1) | |
219 | ||
2421ab75 SH |
220 | /* router port attributes */ |
221 | enum { | |
222 | MDBA_ROUTER_PATTR_UNSPEC, | |
223 | MDBA_ROUTER_PATTR_TIMER, | |
224 | MDBA_ROUTER_PATTR_TYPE, | |
225 | __MDBA_ROUTER_PATTR_MAX | |
226 | }; | |
227 | #define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1) | |
228 | ||
08342500 | 229 | struct br_port_msg { |
9dca6767 | 230 | __u8 family; |
08342500 SH |
231 | __u32 ifindex; |
232 | }; | |
233 | ||
234 | struct br_mdb_entry { | |
235 | __u32 ifindex; | |
75e003c2 SH |
236 | #define MDB_TEMPORARY 0 |
237 | #define MDB_PERMANENT 1 | |
238 | __u8 state; | |
8593b2ca SH |
239 | #define MDB_FLAGS_OFFLOAD (1 << 0) |
240 | __u8 flags; | |
a3563ede | 241 | __u16 vid; |
08342500 SH |
242 | struct { |
243 | union { | |
244 | __be32 ip4; | |
245 | struct in6_addr ip6; | |
246 | } u; | |
247 | __be16 proto; | |
248 | } addr; | |
249 | }; | |
250 | ||
9dca6767 CW |
251 | enum { |
252 | MDBA_SET_ENTRY_UNSPEC, | |
253 | MDBA_SET_ENTRY, | |
254 | __MDBA_SET_ENTRY_MAX, | |
255 | }; | |
256 | #define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1) | |
257 | ||
31ce6e01 SH |
258 | /* Embedded inside LINK_XSTATS_TYPE_BRIDGE */ |
259 | enum { | |
260 | BRIDGE_XSTATS_UNSPEC, | |
261 | BRIDGE_XSTATS_VLAN, | |
4824bb41 SH |
262 | BRIDGE_XSTATS_MCAST, |
263 | BRIDGE_XSTATS_PAD, | |
31ce6e01 SH |
264 | __BRIDGE_XSTATS_MAX |
265 | }; | |
266 | #define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1) | |
267 | ||
4824bb41 SH |
268 | enum { |
269 | BR_MCAST_DIR_RX, | |
270 | BR_MCAST_DIR_TX, | |
271 | BR_MCAST_DIR_SIZE | |
272 | }; | |
273 | ||
274 | /* IGMP/MLD statistics */ | |
275 | struct br_mcast_stats { | |
a9514280 SH |
276 | __u64 igmp_v1queries[BR_MCAST_DIR_SIZE]; |
277 | __u64 igmp_v2queries[BR_MCAST_DIR_SIZE]; | |
278 | __u64 igmp_v3queries[BR_MCAST_DIR_SIZE]; | |
4824bb41 SH |
279 | __u64 igmp_leaves[BR_MCAST_DIR_SIZE]; |
280 | __u64 igmp_v1reports[BR_MCAST_DIR_SIZE]; | |
281 | __u64 igmp_v2reports[BR_MCAST_DIR_SIZE]; | |
282 | __u64 igmp_v3reports[BR_MCAST_DIR_SIZE]; | |
283 | __u64 igmp_parse_errors; | |
284 | ||
a9514280 SH |
285 | __u64 mld_v1queries[BR_MCAST_DIR_SIZE]; |
286 | __u64 mld_v2queries[BR_MCAST_DIR_SIZE]; | |
4824bb41 SH |
287 | __u64 mld_leaves[BR_MCAST_DIR_SIZE]; |
288 | __u64 mld_v1reports[BR_MCAST_DIR_SIZE]; | |
289 | __u64 mld_v2reports[BR_MCAST_DIR_SIZE]; | |
290 | __u64 mld_parse_errors; | |
291 | ||
292 | __u64 mcast_bytes[BR_MCAST_DIR_SIZE]; | |
293 | __u64 mcast_packets[BR_MCAST_DIR_SIZE]; | |
294 | }; | |
17689d30 DA |
295 | |
296 | /* bridge boolean options | |
297 | * BR_BOOLOPT_NO_LL_LEARN - disable learning from link-local packets | |
298 | * | |
299 | * IMPORTANT: if adding a new option do not forget to handle | |
300 | * it in br_boolopt_toggle/get and bridge sysfs | |
301 | */ | |
302 | enum br_boolopt_id { | |
303 | BR_BOOLOPT_NO_LL_LEARN, | |
304 | BR_BOOLOPT_MAX | |
305 | }; | |
306 | ||
307 | /* struct br_boolopt_multi - change multiple bridge boolean options | |
308 | * | |
309 | * @optval: new option values (bit per option) | |
310 | * @optmask: options to change (bit per option) | |
311 | */ | |
312 | struct br_boolopt_multi { | |
313 | __u32 optval; | |
314 | __u32 optmask; | |
315 | }; | |
08342500 | 316 | #endif /* _LINUX_IF_BRIDGE_H */ |