1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2 /* 3 * Linux ethernet bridge 4 * 5 * Authors: 6 * Lennert Buytenhek <[email protected]> 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 _UAPI_LINUX_IF_BRIDGE_H 15 #define _UAPI_LINUX_IF_BRIDGE_H 16 17 #include <linux/types.h> 18 #include <linux/if_ether.h> 19 #include <linux/in6.h> 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 { 94 __u8 mac_addr[ETH_ALEN]; 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 */ 109 #define BRIDGE_MODE_UNDEF 0xFFFF /* mode undefined */ 110 111 /* Bridge management nested attributes 112 * [IFLA_AF_SPEC] = { 113 * [IFLA_BRIDGE_FLAGS] 114 * [IFLA_BRIDGE_MODE] 115 * [IFLA_BRIDGE_VLAN_INFO] 116 * } 117 */ 118 enum { 119 IFLA_BRIDGE_FLAGS, 120 IFLA_BRIDGE_MODE, 121 IFLA_BRIDGE_VLAN_INFO, 122 IFLA_BRIDGE_VLAN_TUNNEL_INFO, 123 IFLA_BRIDGE_MRP, 124 __IFLA_BRIDGE_MAX, 125 }; 126 #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1) 127 128 #define BRIDGE_VLAN_INFO_MASTER (1<<0) /* Operate on Bridge device as well */ 129 #define BRIDGE_VLAN_INFO_PVID (1<<1) /* VLAN is PVID, ingress untagged */ 130 #define BRIDGE_VLAN_INFO_UNTAGGED (1<<2) /* VLAN egresses untagged */ 131 #define BRIDGE_VLAN_INFO_RANGE_BEGIN (1<<3) /* VLAN is start of vlan range */ 132 #define BRIDGE_VLAN_INFO_RANGE_END (1<<4) /* VLAN is end of vlan range */ 133 #define BRIDGE_VLAN_INFO_BRENTRY (1<<5) /* Global bridge VLAN entry */ 134 #define BRIDGE_VLAN_INFO_ONLY_OPTS (1<<6) /* Skip create/delete/flags */ 135 136 struct bridge_vlan_info { 137 __u16 flags; 138 __u16 vid; 139 }; 140 141 enum { 142 IFLA_BRIDGE_VLAN_TUNNEL_UNSPEC, 143 IFLA_BRIDGE_VLAN_TUNNEL_ID, 144 IFLA_BRIDGE_VLAN_TUNNEL_VID, 145 IFLA_BRIDGE_VLAN_TUNNEL_FLAGS, 146 __IFLA_BRIDGE_VLAN_TUNNEL_MAX, 147 }; 148 149 #define IFLA_BRIDGE_VLAN_TUNNEL_MAX (__IFLA_BRIDGE_VLAN_TUNNEL_MAX - 1) 150 151 struct bridge_vlan_xstats { 152 __u64 rx_bytes; 153 __u64 rx_packets; 154 __u64 tx_bytes; 155 __u64 tx_packets; 156 __u16 vid; 157 __u16 flags; 158 __u32 pad2; 159 }; 160 161 enum { 162 IFLA_BRIDGE_MRP_UNSPEC, 163 IFLA_BRIDGE_MRP_INSTANCE, 164 IFLA_BRIDGE_MRP_PORT_STATE, 165 IFLA_BRIDGE_MRP_PORT_ROLE, 166 IFLA_BRIDGE_MRP_RING_STATE, 167 IFLA_BRIDGE_MRP_RING_ROLE, 168 IFLA_BRIDGE_MRP_START_TEST, 169 __IFLA_BRIDGE_MRP_MAX, 170 }; 171 172 struct br_mrp_instance { 173 __u32 ring_id; 174 __u32 p_ifindex; 175 __u32 s_ifindex; 176 }; 177 178 struct br_mrp_port_role { 179 __u32 ring_id; 180 __u32 role; 181 }; 182 183 struct br_mrp_ring_state { 184 __u32 ring_id; 185 __u32 ring_state; 186 }; 187 188 struct br_mrp_ring_role { 189 __u32 ring_id; 190 __u32 ring_role; 191 }; 192 193 struct br_mrp_start_test { 194 __u32 ring_id; 195 __u32 interval; 196 __u32 max_miss; 197 __u32 period; 198 }; 199 200 #define IFLA_BRIDGE_MRP_MAX (__IFLA_BRIDGE_MRP_MAX - 1) 201 202 struct bridge_stp_xstats { 203 __u64 transition_blk; 204 __u64 transition_fwd; 205 __u64 rx_bpdu; 206 __u64 tx_bpdu; 207 __u64 rx_tcn; 208 __u64 tx_tcn; 209 }; 210 211 /* Bridge vlan RTM header */ 212 struct br_vlan_msg { 213 __u8 family; 214 __u8 reserved1; 215 __u16 reserved2; 216 __u32 ifindex; 217 }; 218 219 enum { 220 BRIDGE_VLANDB_DUMP_UNSPEC, 221 BRIDGE_VLANDB_DUMP_FLAGS, 222 __BRIDGE_VLANDB_DUMP_MAX, 223 }; 224 #define BRIDGE_VLANDB_DUMP_MAX (__BRIDGE_VLANDB_DUMP_MAX - 1) 225 226 /* flags used in BRIDGE_VLANDB_DUMP_FLAGS attribute to affect dumps */ 227 #define BRIDGE_VLANDB_DUMPF_STATS (1 << 0) /* Include stats in the dump */ 228 229 /* Bridge vlan RTM attributes 230 * [BRIDGE_VLANDB_ENTRY] = { 231 * [BRIDGE_VLANDB_ENTRY_INFO] 232 * ... 233 * } 234 */ 235 enum { 236 BRIDGE_VLANDB_UNSPEC, 237 BRIDGE_VLANDB_ENTRY, 238 __BRIDGE_VLANDB_MAX, 239 }; 240 #define BRIDGE_VLANDB_MAX (__BRIDGE_VLANDB_MAX - 1) 241 242 enum { 243 BRIDGE_VLANDB_ENTRY_UNSPEC, 244 BRIDGE_VLANDB_ENTRY_INFO, 245 BRIDGE_VLANDB_ENTRY_RANGE, 246 BRIDGE_VLANDB_ENTRY_STATE, 247 BRIDGE_VLANDB_ENTRY_TUNNEL_INFO, 248 BRIDGE_VLANDB_ENTRY_STATS, 249 __BRIDGE_VLANDB_ENTRY_MAX, 250 }; 251 #define BRIDGE_VLANDB_ENTRY_MAX (__BRIDGE_VLANDB_ENTRY_MAX - 1) 252 253 /* [BRIDGE_VLANDB_ENTRY] = { 254 * [BRIDGE_VLANDB_ENTRY_TUNNEL_INFO] = { 255 * [BRIDGE_VLANDB_TINFO_ID] 256 * ... 257 * } 258 * } 259 */ 260 enum { 261 BRIDGE_VLANDB_TINFO_UNSPEC, 262 BRIDGE_VLANDB_TINFO_ID, 263 BRIDGE_VLANDB_TINFO_CMD, 264 __BRIDGE_VLANDB_TINFO_MAX, 265 }; 266 #define BRIDGE_VLANDB_TINFO_MAX (__BRIDGE_VLANDB_TINFO_MAX - 1) 267 268 /* [BRIDGE_VLANDB_ENTRY] = { 269 * [BRIDGE_VLANDB_ENTRY_STATS] = { 270 * [BRIDGE_VLANDB_STATS_RX_BYTES] 271 * ... 272 * } 273 * ... 274 * } 275 */ 276 enum { 277 BRIDGE_VLANDB_STATS_UNSPEC, 278 BRIDGE_VLANDB_STATS_RX_BYTES, 279 BRIDGE_VLANDB_STATS_RX_PACKETS, 280 BRIDGE_VLANDB_STATS_TX_BYTES, 281 BRIDGE_VLANDB_STATS_TX_PACKETS, 282 BRIDGE_VLANDB_STATS_PAD, 283 __BRIDGE_VLANDB_STATS_MAX, 284 }; 285 #define BRIDGE_VLANDB_STATS_MAX (__BRIDGE_VLANDB_STATS_MAX - 1) 286 287 /* Bridge multicast database attributes 288 * [MDBA_MDB] = { 289 * [MDBA_MDB_ENTRY] = { 290 * [MDBA_MDB_ENTRY_INFO] { 291 * struct br_mdb_entry 292 * [MDBA_MDB_EATTR attributes] 293 * } 294 * } 295 * } 296 * [MDBA_ROUTER] = { 297 * [MDBA_ROUTER_PORT] = { 298 * u32 ifindex 299 * [MDBA_ROUTER_PATTR attributes] 300 * } 301 * } 302 */ 303 enum { 304 MDBA_UNSPEC, 305 MDBA_MDB, 306 MDBA_ROUTER, 307 __MDBA_MAX, 308 }; 309 #define MDBA_MAX (__MDBA_MAX - 1) 310 311 enum { 312 MDBA_MDB_UNSPEC, 313 MDBA_MDB_ENTRY, 314 __MDBA_MDB_MAX, 315 }; 316 #define MDBA_MDB_MAX (__MDBA_MDB_MAX - 1) 317 318 enum { 319 MDBA_MDB_ENTRY_UNSPEC, 320 MDBA_MDB_ENTRY_INFO, 321 __MDBA_MDB_ENTRY_MAX, 322 }; 323 #define MDBA_MDB_ENTRY_MAX (__MDBA_MDB_ENTRY_MAX - 1) 324 325 /* per mdb entry additional attributes */ 326 enum { 327 MDBA_MDB_EATTR_UNSPEC, 328 MDBA_MDB_EATTR_TIMER, 329 __MDBA_MDB_EATTR_MAX 330 }; 331 #define MDBA_MDB_EATTR_MAX (__MDBA_MDB_EATTR_MAX - 1) 332 333 /* multicast router types */ 334 enum { 335 MDB_RTR_TYPE_DISABLED, 336 MDB_RTR_TYPE_TEMP_QUERY, 337 MDB_RTR_TYPE_PERM, 338 MDB_RTR_TYPE_TEMP 339 }; 340 341 enum { 342 MDBA_ROUTER_UNSPEC, 343 MDBA_ROUTER_PORT, 344 __MDBA_ROUTER_MAX, 345 }; 346 #define MDBA_ROUTER_MAX (__MDBA_ROUTER_MAX - 1) 347 348 /* router port attributes */ 349 enum { 350 MDBA_ROUTER_PATTR_UNSPEC, 351 MDBA_ROUTER_PATTR_TIMER, 352 MDBA_ROUTER_PATTR_TYPE, 353 __MDBA_ROUTER_PATTR_MAX 354 }; 355 #define MDBA_ROUTER_PATTR_MAX (__MDBA_ROUTER_PATTR_MAX - 1) 356 357 struct br_port_msg { 358 __u8 family; 359 __u32 ifindex; 360 }; 361 362 struct br_mdb_entry { 363 __u32 ifindex; 364 #define MDB_TEMPORARY 0 365 #define MDB_PERMANENT 1 366 __u8 state; 367 #define MDB_FLAGS_OFFLOAD (1 << 0) 368 #define MDB_FLAGS_FAST_LEAVE (1 << 1) 369 __u8 flags; 370 __u16 vid; 371 struct { 372 union { 373 __be32 ip4; 374 struct in6_addr ip6; 375 } u; 376 __be16 proto; 377 } addr; 378 }; 379 380 enum { 381 MDBA_SET_ENTRY_UNSPEC, 382 MDBA_SET_ENTRY, 383 __MDBA_SET_ENTRY_MAX, 384 }; 385 #define MDBA_SET_ENTRY_MAX (__MDBA_SET_ENTRY_MAX - 1) 386 387 /* Embedded inside LINK_XSTATS_TYPE_BRIDGE */ 388 enum { 389 BRIDGE_XSTATS_UNSPEC, 390 BRIDGE_XSTATS_VLAN, 391 BRIDGE_XSTATS_MCAST, 392 BRIDGE_XSTATS_PAD, 393 BRIDGE_XSTATS_STP, 394 __BRIDGE_XSTATS_MAX 395 }; 396 #define BRIDGE_XSTATS_MAX (__BRIDGE_XSTATS_MAX - 1) 397 398 enum { 399 BR_MCAST_DIR_RX, 400 BR_MCAST_DIR_TX, 401 BR_MCAST_DIR_SIZE 402 }; 403 404 /* IGMP/MLD statistics */ 405 struct br_mcast_stats { 406 __u64 igmp_v1queries[BR_MCAST_DIR_SIZE]; 407 __u64 igmp_v2queries[BR_MCAST_DIR_SIZE]; 408 __u64 igmp_v3queries[BR_MCAST_DIR_SIZE]; 409 __u64 igmp_leaves[BR_MCAST_DIR_SIZE]; 410 __u64 igmp_v1reports[BR_MCAST_DIR_SIZE]; 411 __u64 igmp_v2reports[BR_MCAST_DIR_SIZE]; 412 __u64 igmp_v3reports[BR_MCAST_DIR_SIZE]; 413 __u64 igmp_parse_errors; 414 415 __u64 mld_v1queries[BR_MCAST_DIR_SIZE]; 416 __u64 mld_v2queries[BR_MCAST_DIR_SIZE]; 417 __u64 mld_leaves[BR_MCAST_DIR_SIZE]; 418 __u64 mld_v1reports[BR_MCAST_DIR_SIZE]; 419 __u64 mld_v2reports[BR_MCAST_DIR_SIZE]; 420 __u64 mld_parse_errors; 421 422 __u64 mcast_bytes[BR_MCAST_DIR_SIZE]; 423 __u64 mcast_packets[BR_MCAST_DIR_SIZE]; 424 }; 425 426 /* bridge boolean options 427 * BR_BOOLOPT_NO_LL_LEARN - disable learning from link-local packets 428 * 429 * IMPORTANT: if adding a new option do not forget to handle 430 * it in br_boolopt_toggle/get and bridge sysfs 431 */ 432 enum br_boolopt_id { 433 BR_BOOLOPT_NO_LL_LEARN, 434 BR_BOOLOPT_MAX 435 }; 436 437 /* struct br_boolopt_multi - change multiple bridge boolean options 438 * 439 * @optval: new option values (bit per option) 440 * @optmask: options to change (bit per option) 441 */ 442 struct br_boolopt_multi { 443 __u32 optval; 444 __u32 optmask; 445 }; 446 #endif /* _UAPI_LINUX_IF_BRIDGE_H */ 447