1 /*- 2 * Copyright (c) 2009 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Rui Paulo under sponsorship from the 6 * FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 #ifndef _NET80211_IEEE80211_MESH_H_ 32 #define _NET80211_IEEE80211_MESH_H_ 33 34 #define IEEE80211_MESH_DEFAULT_TTL 31 35 36 /* 37 * NB: all structures are __packed so sizeof works on arm, et. al. 38 */ 39 /* 40 * 802.11s Information Elements. 41 */ 42 /* Mesh Configuration */ 43 #define IEEE80211_MESH_CONF_SZ (7) 44 struct ieee80211_meshconf_ie { 45 uint8_t conf_ie; /* IEEE80211_ELEMID_MESHCONF */ 46 uint8_t conf_len; 47 uint8_t conf_pselid; /* Active Path Sel. Proto. ID */ 48 uint8_t conf_pmetid; /* Active Metric Identifier */ 49 uint8_t conf_ccid; /* Congestion Control Mode ID */ 50 uint8_t conf_syncid; /* Sync. Protocol ID */ 51 uint8_t conf_authid; /* Auth. Protocol ID */ 52 uint8_t conf_form; /* Formation Information */ 53 uint8_t conf_cap; 54 } __packed; 55 56 /* Hybrid Wireless Mesh Protocol */ 57 enum { 58 /* 0 reserved */ 59 IEEE80211_MESHCONF_PATH_HWMP = 1, 60 /* 2-254 reserved */ 61 IEEE80211_MESHCONF_PATH_VENDOR = 255, 62 }; 63 64 /* Airtime Link Metric */ 65 enum { 66 /* 0 reserved */ 67 IEEE80211_MESHCONF_METRIC_AIRTIME = 1, 68 /* 2-254 reserved */ 69 IEEE80211_MESHCONF_METRIC_VENDOR = 255, 70 }; 71 72 /* Congestion Control */ 73 enum { 74 IEEE80211_MESHCONF_CC_DISABLED = 0, 75 IEEE80211_MESHCONF_CC_SIG = 1, 76 /* 2-254 reserved */ 77 IEEE80211_MESHCONF_CC_VENDOR = 255, 78 }; 79 80 /* Neighbour Offset */ 81 enum { 82 /* 0 reserved */ 83 IEEE80211_MESHCONF_SYNC_NEIGHOFF = 1, 84 /* 2-254 rserved */ 85 IEEE80211_MESHCONF_SYNC_VENDOR = 255, 86 }; 87 88 /* Authentication Protocol Identifier */ 89 enum { 90 91 IEEE80211_MESHCONF_AUTH_DISABLED = 0, 92 /* Simultaneous Authenticaction of Equals */ 93 IEEE80211_MESHCONF_AUTH_SEA = 1, 94 IEEE80211_MESHCONF_AUTH_8021X = 2, /* IEEE 802.1X */ 95 /* 3-254 reserved */ 96 IEEE80211_MESHCONF_AUTH_VENDOR = 255, 97 }; 98 99 /* Mesh Formation Info */ 100 #define IEEE80211_MESHCONF_FORM_MP 0x01 /* Connected to Portal */ 101 #define IEEE80211_MESHCONF_FORM_NNEIGH_MASK 0x7E /* Number of Neighbours */ 102 #define IEEE80211_MESHCONF_FORM_SA 0xF0 /* indicating 802.1X auth */ 103 104 /* Mesh Capability */ 105 #define IEEE80211_MESHCONF_CAP_AP 0x01 /* Accepting Peers */ 106 #define IEEE80211_MESHCONF_CAP_MCCAS 0x02 /* MCCA supported */ 107 #define IEEE80211_MESHCONF_CAP_MCCAE 0x04 /* MCCA enabled */ 108 #define IEEE80211_MESHCONF_CAP_FWRD 0x08 /* forwarding enabled */ 109 #define IEEE80211_MESHCONF_CAP_BTR 0x10 /* Beacon Timing Report Enab */ 110 #define IEEE80211_MESHCONF_CAP_TBTT 0x20 /* TBTT Adjusting */ 111 #define IEEE80211_MESHCONF_CAP_PSL 0x40 /* Power Save Level */ 112 /* 0x80 reserved */ 113 114 /* Mesh Identifier */ 115 struct ieee80211_meshid_ie { 116 uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ 117 uint8_t id_len; 118 } __packed; 119 120 /* Link Metric Report */ 121 struct ieee80211_meshlmetric_ie { 122 uint8_t lm_ie; /* IEEE80211_ACTION_MESH_LMETRIC */ 123 uint8_t lm_len; 124 uint8_t lm_flags; 125 #define IEEE80211_MESH_LMETRIC_FLAGS_REQ 0x01 /* Request */ 126 /* 127 * XXX: this field should be variable in size and depend on 128 * the active active path selection metric identifier 129 */ 130 uint32_t lm_metric; 131 #define IEEE80211_MESHLMETRIC_INITIALVAL 0 132 } __packed; 133 134 /* Congestion Notification */ 135 struct ieee80211_meshcngst_ie { 136 uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ 137 uint8_t cngst_len; 138 uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, 139 AC_BE, AC_VI, AC_VO */ 140 } __packed; 141 142 /* Peer Link Management */ 143 struct ieee80211_meshpeer_ie { 144 uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 145 uint8_t peer_len; 146 uint8_t peer_proto[4]; /* Peer Management Protocol */ 147 uint16_t peer_llinkid; /* Local Link ID */ 148 uint16_t peer_linkid; /* Peer Link ID */ 149 uint16_t peer_rcode; 150 } __packed; 151 152 enum { 153 IEEE80211_MESH_PEER_LINK_OPEN = 0, 154 IEEE80211_MESH_PEER_LINK_CONFIRM = 1, 155 IEEE80211_MESH_PEER_LINK_CLOSE = 2, 156 /* values 3-255 are reserved */ 157 }; 158 159 /* Mesh Peering Management Protocol */ 160 #define IEEE80211_MESH_PEER_PROTO_OUI 0x00, 0x0f, 0xac 161 #define IEEE80211_MESH_PEER_PROTO_VALUE 0x2a 162 #define IEEE80211_MESH_PEER_PROTO { IEEE80211_MESH_PEER_PROTO_OUI, \ 163 IEEE80211_MESH_PEER_PROTO_VALUE } 164 /* Abbreviated Handshake Protocol */ 165 #define IEEE80211_MESH_PEER_PROTO_AH_OUI 0x00, 0x0f, 0xac 166 #define IEEE80211_MESH_PEER_PROTO_AH_VALUE 0x2b 167 #define IEEE80211_MESH_PEER_PROTO_AH { IEEE80211_MESH_PEER_PROTO_AH_OUI, \ 168 IEEE80211_MESH_PEER_PROTO_AH_VALUE } 169 #ifdef notyet 170 /* Mesh Channel Switch Annoucement */ 171 struct ieee80211_meshcsa_ie { 172 uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 173 uint8_t csa_len; 174 uint8_t csa_mode; 175 uint8_t csa_newclass; /* New Regulatory Class */ 176 uint8_t csa_newchan; 177 uint8_t csa_precvalue; /* Precedence Value */ 178 uint8_t csa_count; 179 } __packed; 180 181 /* Mesh TIM */ 182 /* Equal to the non Mesh version */ 183 184 /* Mesh Awake Window */ 185 struct ieee80211_meshawakew_ie { 186 uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 187 uint8_t awakew_len; 188 uint8_t awakew_windowlen; /* in TUs */ 189 } __packed; 190 191 /* Mesh Beacon Timing */ 192 struct ieee80211_meshbeacont_ie { 193 uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 194 uint8_t beacont_len; 195 struct { 196 uint8_t mp_aid; /* Least Octet of AID */ 197 uint16_t mp_btime; /* Beacon Time */ 198 uint16_t mp_bint; /* Beacon Interval */ 199 } __packed mp[1]; /* NB: variable size */ 200 } __packed; 201 #endif 202 203 /* Portal (MP) Annoucement */ 204 struct ieee80211_meshpann_ie { 205 uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 206 uint8_t pann_len; 207 uint8_t pann_flags; 208 uint8_t pann_hopcount; 209 uint8_t pann_ttl; 210 uint8_t pann_addr[IEEE80211_ADDR_LEN]; 211 uint8_t pann_seq; /* PANN Sequence Number */ 212 } __packed; 213 214 /* Root (MP) Annoucement */ 215 #define IEEE80211_MESHRANN_BASE_SZ (21) 216 struct ieee80211_meshrann_ie { 217 uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 218 uint8_t rann_len; 219 uint8_t rann_flags; 220 #define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 221 uint8_t rann_hopcount; 222 uint8_t rann_ttl; 223 uint8_t rann_addr[IEEE80211_ADDR_LEN]; 224 uint32_t rann_seq; /* HWMP Sequence Number */ 225 uint32_t rann_interval; 226 uint32_t rann_metric; 227 } __packed; 228 229 /* Mesh Path Request */ 230 #define IEEE80211_MESHPREQ_BASE_SZ (26) 231 #define IEEE80211_MESHPREQ_BASE_SZ_AE (32) 232 #define IEEE80211_MESHPREQ_TRGT_SZ (11) 233 #define IEEE80211_MESHPREQ_TCNT_OFFSET (27) 234 #define IEEE80211_MESHPREQ_TCNT_OFFSET_AE (33) 235 struct ieee80211_meshpreq_ie { 236 uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 237 uint8_t preq_len; 238 uint8_t preq_flags; 239 #define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 240 #define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 241 #define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 242 #define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 243 uint8_t preq_hopcount; 244 uint8_t preq_ttl; 245 uint32_t preq_id; 246 uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 247 uint32_t preq_origseq; /* HWMP Sequence Number */ 248 /* NB: may have Originator External Address */ 249 uint8_t preq_orig_ext_addr[IEEE80211_ADDR_LEN]; 250 uint32_t preq_lifetime; 251 uint32_t preq_metric; 252 uint8_t preq_tcount; /* target count */ 253 struct { 254 uint8_t target_flags; 255 #define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 256 #define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 257 #define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 258 uint8_t target_addr[IEEE80211_ADDR_LEN]; 259 uint32_t target_seq; /* HWMP Sequence Number */ 260 } __packed preq_targets[1]; /* NB: variable size */ 261 } __packed; 262 263 /* Mesh Path Reply */ 264 #define IEEE80211_MESHPREP_BASE_SZ (31) 265 #define IEEE80211_MESHPREP_BASE_SZ_AE (37) 266 struct ieee80211_meshprep_ie { 267 uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 268 uint8_t prep_len; 269 uint8_t prep_flags; 270 #define IEEE80211_MESHPREP_FLAGS_AE 0x40 /* Address Extension */ 271 uint8_t prep_hopcount; 272 uint8_t prep_ttl; 273 uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 274 uint32_t prep_targetseq; 275 /* NB: May have Target External Address */ 276 uint8_t prep_target_ext_addr[IEEE80211_ADDR_LEN]; 277 uint32_t prep_lifetime; 278 uint32_t prep_metric; 279 uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 280 uint32_t prep_origseq; /* HWMP Sequence Number */ 281 } __packed; 282 283 /* Mesh Path Error */ 284 #define IEEE80211_MESHPERR_MAXDEST (19) 285 #define IEEE80211_MESHPERR_NDEST_OFFSET (3) 286 #define IEEE80211_MESHPERR_BASE_SZ (2) 287 #define IEEE80211_MESHPERR_DEST_SZ (13) 288 #define IEEE80211_MESHPERR_DEST_SZ_AE (19) 289 struct ieee80211_meshperr_ie { 290 uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 291 uint8_t perr_len; 292 uint8_t perr_ttl; 293 uint8_t perr_ndests; /* Number of Destinations */ 294 struct { 295 uint8_t dest_flags; 296 #define IEEE80211_MESHPERR_DFLAGS_USN 0x01 /* XXX: not part of standard */ 297 #define IEEE80211_MESHPERR_DFLAGS_RC 0x02 /* XXX: not part of standard */ 298 #define IEEE80211_MESHPERR_FLAGS_AE 0x40 /* Address Extension */ 299 uint8_t dest_addr[IEEE80211_ADDR_LEN]; 300 uint32_t dest_seq; /* HWMP Sequence Number */ 301 /* NB: May have Destination External Address */ 302 uint8_t dest_ext_addr[IEEE80211_ADDR_LEN]; 303 uint16_t dest_rcode; 304 } __packed perr_dests[1]; /* NB: variable size */ 305 } __packed; 306 307 #ifdef notyet 308 /* Mesh Proxy Update */ 309 struct ieee80211_meshpu_ie { 310 uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 311 uint8_t pu_len; 312 uint8_t pu_flags; 313 #define IEEE80211_MESHPU_FLAGS_MASK 0x1 314 #define IEEE80211_MESHPU_FLAGS_DEL 0x0 315 #define IEEE80211_MESHPU_FLAGS_ADD 0x1 316 uint8_t pu_seq; /* PU Sequence Number */ 317 uint8_t pu_addr[IEEE80211_ADDR_LEN]; 318 uint8_t pu_naddr; /* Number of Proxied Addresses */ 319 /* NB: proxied address follows */ 320 } __packed; 321 322 /* Mesh Proxy Update Confirmation */ 323 struct ieee80211_meshpuc_ie { 324 uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 325 uint8_t puc_len; 326 uint8_t puc_flags; 327 uint8_t puc_seq; /* PU Sequence Number */ 328 uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 329 } __packed; 330 #endif 331 332 /* 333 * 802.11s Action Frames 334 */ 335 #define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ 336 /* XXX: these need to be looked into */ 337 #define IEEE80211_ACTION_CAT_INTERWORK 15 338 #define IEEE80211_ACTION_CAT_RESOURCE 16 339 #define IEEE80211_ACTION_CAT_PROXY 17 340 341 /* 342 * Mesh Peering Action codes. 343 */ 344 enum { 345 IEEE80211_ACTION_MESHPEERING_OPEN = 0, 346 IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, 347 IEEE80211_ACTION_MESHPEERING_CLOSE = 2, 348 /* 3-255 reserved */ 349 }; 350 351 /* 352 * Mesh Action code. 353 */ 354 enum { 355 IEEE80211_ACTION_MESH_LMETRIC = 0, /* Mesh Link Metric Report */ 356 IEEE80211_ACTION_MESH_HWMP = 1, /* HWMP Mesh Path Selection */ 357 IEEE80211_ACTION_MESH_GANN = 2, /* Gate Announcement */ 358 IEEE80211_ACTION_MESH_CC = 3, /* Congestion Control */ 359 IEEE80211_ACTION_MESH_MCCA_SREQ = 4, /* MCCA Setup Request */ 360 IEEE80211_ACTION_MESH_MCCA_SREP = 5, /* MCCA Setup Reply */ 361 IEEE80211_ACTION_MESH_MCCA_AREQ = 6, /* MCCA Advertisement Req. */ 362 IEEE80211_ACTION_MESH_MCCA_ADVER =7, /* MCCA Advertisement */ 363 IEEE80211_ACTION_MESH_MCCA_TRDOWN = 8, /* MCCA Teardown */ 364 IEEE80211_ACTION_MESH_TBTT_REQ = 9, /* TBTT Adjustment Request */ 365 IEEE80211_ACTION_MESH_TBTT_RES = 10, /* TBTT Adjustment Response */ 366 /* 11-255 reserved */ 367 }; 368 369 /* 370 * Mesh Portal Annoucement Action codes. 371 */ 372 enum { 373 IEEE80211_ACTION_MESHPANN = 0, 374 /* 1-255 reserved */ 375 }; 376 377 /* 378 * Different mesh control structures based on the AE 379 * (Address Extension) bits. 380 */ 381 struct ieee80211_meshcntl { 382 uint8_t mc_flags; /* Address Extension 00 */ 383 uint8_t mc_ttl; /* TTL */ 384 uint8_t mc_seq[4]; /* Sequence No. */ 385 /* NB: more addresses may follow */ 386 } __packed; 387 388 struct ieee80211_meshcntl_ae01 { 389 uint8_t mc_flags; /* Address Extension 01 */ 390 uint8_t mc_ttl; /* TTL */ 391 uint8_t mc_seq[4]; /* Sequence No. */ 392 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 393 } __packed; 394 395 struct ieee80211_meshcntl_ae10 { 396 uint8_t mc_flags; /* Address Extension 10 */ 397 uint8_t mc_ttl; /* TTL */ 398 uint8_t mc_seq[4]; /* Sequence No. */ 399 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 400 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 401 } __packed; 402 403 struct ieee80211_meshcntl_ae11 { 404 uint8_t mc_flags; /* Address Extension 11 */ 405 uint8_t mc_ttl; /* TTL */ 406 uint8_t mc_seq[4]; /* Sequence No. */ 407 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 408 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 409 uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 410 } __packed; 411 412 #ifdef _KERNEL 413 MALLOC_DECLARE(M_80211_MESH_PREQ); 414 MALLOC_DECLARE(M_80211_MESH_PREP); 415 MALLOC_DECLARE(M_80211_MESH_PERR); 416 417 MALLOC_DECLARE(M_80211_MESH_RT); 418 struct ieee80211_mesh_route { 419 TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 420 int rt_crtime; /* creation time */ 421 uint8_t rt_dest[IEEE80211_ADDR_LEN]; 422 uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 423 uint32_t rt_metric; /* path metric */ 424 uint16_t rt_nhops; /* number of hops */ 425 uint16_t rt_flags; 426 #define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 427 #define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 428 uint32_t rt_lifetime; 429 uint32_t rt_lastmseq; /* last seq# seen dest */ 430 void *rt_priv; /* private data */ 431 }; 432 #define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 433 434 #define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 435 /* 436 * Mesh Path Selection Protocol. 437 */ 438 enum ieee80211_state; 439 struct ieee80211_mesh_proto_path { 440 uint8_t mpp_active; 441 char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 442 uint8_t mpp_ie; 443 struct ieee80211_node * 444 (*mpp_discover)(struct ieee80211vap *, 445 const uint8_t [IEEE80211_ADDR_LEN], 446 struct mbuf *); 447 void (*mpp_peerdown)(struct ieee80211_node *); 448 void (*mpp_vattach)(struct ieee80211vap *); 449 void (*mpp_vdetach)(struct ieee80211vap *); 450 int (*mpp_newstate)(struct ieee80211vap *, 451 enum ieee80211_state, int); 452 const size_t mpp_privlen; /* size required in the routing table 453 for private data */ 454 int mpp_inact; /* inact. timeout for invalid routes 455 (ticks) */ 456 }; 457 458 /* 459 * Mesh Link Metric Report Protocol. 460 */ 461 struct ieee80211_mesh_proto_metric { 462 uint8_t mpm_active; 463 char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 464 uint8_t mpm_ie; 465 uint32_t (*mpm_metric)(struct ieee80211_node *); 466 }; 467 468 #ifdef notyet 469 /* 470 * Mesh Authentication Protocol. 471 */ 472 struct ieee80211_mesh_proto_auth { 473 uint8_t mpa_ie[4]; 474 }; 475 476 struct ieee80211_mesh_proto_congestion { 477 }; 478 479 struct ieee80211_mesh_proto_sync { 480 }; 481 #endif 482 483 typedef uint32_t ieee80211_mesh_seq; 484 #define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 485 #define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 486 487 struct ieee80211_mesh_state { 488 int ms_idlen; 489 uint8_t ms_id[IEEE80211_MESHID_LEN]; 490 ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 491 uint16_t ms_neighbors; 492 uint8_t ms_ttl; /* mesh ttl set in packets */ 493 #define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 494 #define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 495 #define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 496 uint8_t ms_flags; 497 struct mtx ms_rt_lock; 498 struct callout ms_cleantimer; 499 TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 500 struct ieee80211_mesh_proto_metric *ms_pmetric; 501 struct ieee80211_mesh_proto_path *ms_ppath; 502 }; 503 void ieee80211_mesh_attach(struct ieee80211com *); 504 void ieee80211_mesh_detach(struct ieee80211com *); 505 506 struct ieee80211_mesh_route * 507 ieee80211_mesh_rt_find(struct ieee80211vap *, 508 const uint8_t [IEEE80211_ADDR_LEN]); 509 struct ieee80211_mesh_route * 510 ieee80211_mesh_rt_add(struct ieee80211vap *, 511 const uint8_t [IEEE80211_ADDR_LEN]); 512 void ieee80211_mesh_rt_del(struct ieee80211vap *, 513 const uint8_t [IEEE80211_ADDR_LEN]); 514 void ieee80211_mesh_rt_flush(struct ieee80211vap *); 515 void ieee80211_mesh_rt_flush_peer(struct ieee80211vap *, 516 const uint8_t [IEEE80211_ADDR_LEN]); 517 void ieee80211_mesh_proxy_check(struct ieee80211vap *, 518 const uint8_t [IEEE80211_ADDR_LEN]); 519 520 int ieee80211_mesh_register_proto_path(const 521 struct ieee80211_mesh_proto_path *); 522 int ieee80211_mesh_register_proto_metric(const 523 struct ieee80211_mesh_proto_metric *); 524 525 uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 526 uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 527 uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 528 uint16_t); 529 uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint8_t, uint32_t); 530 531 void ieee80211_mesh_node_init(struct ieee80211vap *, 532 struct ieee80211_node *); 533 void ieee80211_mesh_node_cleanup(struct ieee80211_node *); 534 void ieee80211_parse_meshid(struct ieee80211_node *, 535 const uint8_t *); 536 struct ieee80211_scanparams; 537 void ieee80211_mesh_init_neighbor(struct ieee80211_node *, 538 const struct ieee80211_frame *, 539 const struct ieee80211_scanparams *); 540 void ieee80211_mesh_update_beacon(struct ieee80211vap *, 541 struct ieee80211_beacon_offsets *); 542 543 /* 544 * Return non-zero if proxy operation is enabled. 545 */ 546 static __inline int 547 ieee80211_mesh_isproxyena(struct ieee80211vap *vap) 548 { 549 struct ieee80211_mesh_state *ms = vap->iv_mesh; 550 return (ms->ms_flags & 551 (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 552 } 553 554 /* 555 * Process an outbound frame: if a path is known to the 556 * destination then return a reference to the next hop 557 * for immediate transmission. Otherwise initiate path 558 * discovery and, if possible queue the packet to be 559 * sent when path discovery completes. 560 */ 561 static __inline struct ieee80211_node * 562 ieee80211_mesh_discover(struct ieee80211vap *vap, 563 const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 564 { 565 struct ieee80211_mesh_state *ms = vap->iv_mesh; 566 return ms->ms_ppath->mpp_discover(vap, dest, m); 567 } 568 569 #endif /* _KERNEL */ 570 #endif /* !_NET80211_IEEE80211_MESH_H_ */ 571