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_ELEMID_MESHLINK */ 123 uint8_t lm_len; 124 uint32_t lm_metric; 125 #define IEEE80211_MESHLMETRIC_INITIALVAL 0 126 } __packed; 127 128 /* Congestion Notification */ 129 struct ieee80211_meshcngst_ie { 130 uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ 131 uint8_t cngst_len; 132 uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, 133 AC_BE, AC_VI, AC_VO */ 134 } __packed; 135 136 /* Peer Link Management */ 137 struct ieee80211_meshpeer_ie { 138 uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 139 uint8_t peer_len; 140 uint8_t peer_proto[4]; /* Peer Management Protocol */ 141 uint16_t peer_llinkid; /* Local Link ID */ 142 uint16_t peer_linkid; /* Peer Link ID */ 143 uint16_t peer_rcode; 144 } __packed; 145 146 enum { 147 IEEE80211_MESH_PEER_LINK_OPEN = 0, 148 IEEE80211_MESH_PEER_LINK_CONFIRM = 1, 149 IEEE80211_MESH_PEER_LINK_CLOSE = 2, 150 /* values 3-255 are reserved */ 151 }; 152 153 /* Mesh Peering Management Protocol */ 154 #define IEEE80211_MESH_PEER_PROTO_OUI 0x00, 0x0f, 0xac 155 #define IEEE80211_MESH_PEER_PROTO_VALUE 0x2a 156 #define IEEE80211_MESH_PEER_PROTO { IEEE80211_MESH_PEER_PROTO_OUI, \ 157 IEEE80211_MESH_PEER_PROTO_VALUE } 158 /* Abbreviated Handshake Protocol */ 159 #define IEEE80211_MESH_PEER_PROTO_AH_OUI 0x00, 0x0f, 0xac 160 #define IEEE80211_MESH_PEER_PROTO_AH_VALUE 0x2b 161 #define IEEE80211_MESH_PEER_PROTO_AH { IEEE80211_MESH_PEER_PROTO_AH_OUI, \ 162 IEEE80211_MESH_PEER_PROTO_AH_VALUE } 163 #ifdef notyet 164 /* Mesh Channel Switch Annoucement */ 165 struct ieee80211_meshcsa_ie { 166 uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 167 uint8_t csa_len; 168 uint8_t csa_mode; 169 uint8_t csa_newclass; /* New Regulatory Class */ 170 uint8_t csa_newchan; 171 uint8_t csa_precvalue; /* Precedence Value */ 172 uint8_t csa_count; 173 } __packed; 174 175 /* Mesh TIM */ 176 /* Equal to the non Mesh version */ 177 178 /* Mesh Awake Window */ 179 struct ieee80211_meshawakew_ie { 180 uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 181 uint8_t awakew_len; 182 uint8_t awakew_windowlen; /* in TUs */ 183 } __packed; 184 185 /* Mesh Beacon Timing */ 186 struct ieee80211_meshbeacont_ie { 187 uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 188 uint8_t beacont_len; 189 struct { 190 uint8_t mp_aid; /* Least Octet of AID */ 191 uint16_t mp_btime; /* Beacon Time */ 192 uint16_t mp_bint; /* Beacon Interval */ 193 } __packed mp[1]; /* NB: variable size */ 194 } __packed; 195 #endif 196 197 /* Portal (MP) Annoucement */ 198 struct ieee80211_meshpann_ie { 199 uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 200 uint8_t pann_len; 201 uint8_t pann_flags; 202 uint8_t pann_hopcount; 203 uint8_t pann_ttl; 204 uint8_t pann_addr[IEEE80211_ADDR_LEN]; 205 uint8_t pann_seq; /* PANN Sequence Number */ 206 } __packed; 207 208 /* Root (MP) Annoucement */ 209 struct ieee80211_meshrann_ie { 210 uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 211 uint8_t rann_len; 212 uint8_t rann_flags; 213 #define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 214 uint8_t rann_hopcount; 215 uint8_t rann_ttl; 216 uint8_t rann_addr[IEEE80211_ADDR_LEN]; 217 uint32_t rann_seq; /* HWMP Sequence Number */ 218 uint32_t rann_metric; 219 } __packed; 220 221 /* Mesh Path Request */ 222 struct ieee80211_meshpreq_ie { 223 uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 224 uint8_t preq_len; 225 uint8_t preq_flags; 226 #define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 227 #define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 228 #define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 229 #define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 230 uint8_t preq_hopcount; 231 uint8_t preq_ttl; 232 uint32_t preq_id; 233 uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 234 uint32_t preq_origseq; /* HWMP Sequence Number */ 235 /* NB: may have Originator Proxied Address */ 236 uint32_t preq_lifetime; 237 uint32_t preq_metric; 238 uint8_t preq_tcount; /* target count */ 239 struct { 240 uint8_t target_flags; 241 #define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 242 #define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 243 #define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 244 uint8_t target_addr[IEEE80211_ADDR_LEN]; 245 uint32_t target_seq; /* HWMP Sequence Number */ 246 } __packed preq_targets[1]; /* NB: variable size */ 247 } __packed; 248 249 /* Mesh Path Reply */ 250 struct ieee80211_meshprep_ie { 251 uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 252 uint8_t prep_len; 253 uint8_t prep_flags; 254 uint8_t prep_hopcount; 255 uint8_t prep_ttl; 256 uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 257 uint32_t prep_targetseq; 258 /* NB: May have Target Proxied Address */ 259 uint32_t prep_lifetime; 260 uint32_t prep_metric; 261 uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 262 uint32_t prep_origseq; /* HWMP Sequence Number */ 263 } __packed; 264 265 /* Mesh Path Error */ 266 struct ieee80211_meshperr_ie { 267 uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 268 uint8_t perr_len; 269 uint8_t perr_ttl; 270 uint8_t perr_ndests; /* Number of Destinations */ 271 struct { 272 uint8_t dest_flags; 273 #define IEEE80211_MESHPERR_DFLAGS_USN 0x01 274 #define IEEE80211_MESHPERR_DFLAGS_RC 0x02 275 uint8_t dest_addr[IEEE80211_ADDR_LEN]; 276 uint32_t dest_seq; /* HWMP Sequence Number */ 277 uint16_t dest_rcode; 278 } __packed perr_dests[1]; /* NB: variable size */ 279 } __packed; 280 281 #ifdef notyet 282 /* Mesh Proxy Update */ 283 struct ieee80211_meshpu_ie { 284 uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 285 uint8_t pu_len; 286 uint8_t pu_flags; 287 #define IEEE80211_MESHPU_FLAGS_MASK 0x1 288 #define IEEE80211_MESHPU_FLAGS_DEL 0x0 289 #define IEEE80211_MESHPU_FLAGS_ADD 0x1 290 uint8_t pu_seq; /* PU Sequence Number */ 291 uint8_t pu_addr[IEEE80211_ADDR_LEN]; 292 uint8_t pu_naddr; /* Number of Proxied Addresses */ 293 /* NB: proxied address follows */ 294 } __packed; 295 296 /* Mesh Proxy Update Confirmation */ 297 struct ieee80211_meshpuc_ie { 298 uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 299 uint8_t puc_len; 300 uint8_t puc_flags; 301 uint8_t puc_seq; /* PU Sequence Number */ 302 uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 303 } __packed; 304 #endif 305 306 /* 307 * 802.11s Action Frames 308 */ 309 #define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ 310 #define IEEE80211_ACTION_CAT_MESHLMETRIC 13 311 #define IEEE80211_ACTION_CAT_MESHPATH 32 /* XXX Linux */ 312 #define IEEE80211_ACTION_CAT_INTERWORK 15 313 #define IEEE80211_ACTION_CAT_RESOURCE 16 314 #define IEEE80211_ACTION_CAT_PROXY 17 315 316 /* 317 * Mesh Peering Action codes. 318 */ 319 enum { 320 IEEE80211_ACTION_MESHPEERING_OPEN = 0, 321 IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, 322 IEEE80211_ACTION_MESHPEERING_CLOSE = 2, 323 /* 3-255 reserved */ 324 }; 325 326 /* 327 * Mesh Path Selection Action code. 328 */ 329 enum { 330 IEEE80211_ACTION_MESHPATH_SEL = 0, 331 /* 1-255 reserved */ 332 }; 333 334 /* 335 * Mesh Link Metric Action codes. 336 */ 337 enum { 338 IEEE80211_ACTION_MESHLMETRIC_REQ = 0, /* Link Metric Request */ 339 IEEE80211_ACTION_MESHLMETRIC_REP = 1, /* Link Metric Report */ 340 /* 2-255 reserved */ 341 }; 342 343 /* 344 * Mesh Portal Annoucement Action codes. 345 */ 346 enum { 347 IEEE80211_ACTION_MESHPANN = 0, 348 /* 1-255 reserved */ 349 }; 350 351 /* 352 * Different mesh control structures based on the AE 353 * (Address Extension) bits. 354 */ 355 struct ieee80211_meshcntl { 356 uint8_t mc_flags; /* Address Extension 00 */ 357 uint8_t mc_ttl; /* TTL */ 358 uint8_t mc_seq[4]; /* Sequence No. */ 359 /* NB: more addresses may follow */ 360 } __packed; 361 362 struct ieee80211_meshcntl_ae01 { 363 uint8_t mc_flags; /* Address Extension 01 */ 364 uint8_t mc_ttl; /* TTL */ 365 uint8_t mc_seq[4]; /* Sequence No. */ 366 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 367 } __packed; 368 369 struct ieee80211_meshcntl_ae10 { 370 uint8_t mc_flags; /* Address Extension 10 */ 371 uint8_t mc_ttl; /* TTL */ 372 uint8_t mc_seq[4]; /* Sequence No. */ 373 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 374 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 375 } __packed; 376 377 struct ieee80211_meshcntl_ae11 { 378 uint8_t mc_flags; /* Address Extension 11 */ 379 uint8_t mc_ttl; /* TTL */ 380 uint8_t mc_seq[4]; /* Sequence No. */ 381 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 382 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 383 uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 384 } __packed; 385 386 #ifdef _KERNEL 387 MALLOC_DECLARE(M_80211_MESH_RT); 388 struct ieee80211_mesh_route { 389 TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 390 int rt_crtime; /* creation time */ 391 uint8_t rt_dest[IEEE80211_ADDR_LEN]; 392 uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 393 uint32_t rt_metric; /* path metric */ 394 uint16_t rt_nhops; /* number of hops */ 395 uint16_t rt_flags; 396 #define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 397 #define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 398 uint32_t rt_lifetime; 399 uint32_t rt_lastmseq; /* last seq# seen dest */ 400 void *rt_priv; /* private data */ 401 }; 402 #define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 403 404 #define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 405 /* 406 * Mesh Path Selection Protocol. 407 */ 408 enum ieee80211_state; 409 struct ieee80211_mesh_proto_path { 410 uint8_t mpp_active; 411 char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 412 uint8_t mpp_ie; 413 struct ieee80211_node * 414 (*mpp_discover)(struct ieee80211vap *, 415 const uint8_t [IEEE80211_ADDR_LEN], 416 struct mbuf *); 417 void (*mpp_peerdown)(struct ieee80211_node *); 418 void (*mpp_vattach)(struct ieee80211vap *); 419 void (*mpp_vdetach)(struct ieee80211vap *); 420 int (*mpp_newstate)(struct ieee80211vap *, 421 enum ieee80211_state, int); 422 const size_t mpp_privlen; /* size required in the routing table 423 for private data */ 424 int mpp_inact; /* inact. timeout for invalid routes 425 (ticks) */ 426 }; 427 428 /* 429 * Mesh Link Metric Report Protocol. 430 */ 431 struct ieee80211_mesh_proto_metric { 432 uint8_t mpm_active; 433 char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 434 uint8_t mpm_ie; 435 uint32_t (*mpm_metric)(struct ieee80211_node *); 436 }; 437 438 #ifdef notyet 439 /* 440 * Mesh Authentication Protocol. 441 */ 442 struct ieee80211_mesh_proto_auth { 443 uint8_t mpa_ie[4]; 444 }; 445 446 struct ieee80211_mesh_proto_congestion { 447 }; 448 449 struct ieee80211_mesh_proto_sync { 450 }; 451 #endif 452 453 typedef uint32_t ieee80211_mesh_seq; 454 #define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 455 #define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 456 457 struct ieee80211_mesh_state { 458 int ms_idlen; 459 uint8_t ms_id[IEEE80211_MESHID_LEN]; 460 ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 461 uint16_t ms_neighbors; 462 uint8_t ms_ttl; /* mesh ttl set in packets */ 463 #define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 464 #define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 465 #define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 466 uint8_t ms_flags; 467 struct mtx ms_rt_lock; 468 struct callout ms_cleantimer; 469 TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 470 struct ieee80211_mesh_proto_metric *ms_pmetric; 471 struct ieee80211_mesh_proto_path *ms_ppath; 472 }; 473 void ieee80211_mesh_attach(struct ieee80211com *); 474 void ieee80211_mesh_detach(struct ieee80211com *); 475 476 struct ieee80211_mesh_route * 477 ieee80211_mesh_rt_find(struct ieee80211vap *, 478 const uint8_t [IEEE80211_ADDR_LEN]); 479 struct ieee80211_mesh_route * 480 ieee80211_mesh_rt_add(struct ieee80211vap *, 481 const uint8_t [IEEE80211_ADDR_LEN]); 482 void ieee80211_mesh_rt_del(struct ieee80211vap *, 483 const uint8_t [IEEE80211_ADDR_LEN]); 484 void ieee80211_mesh_rt_flush(struct ieee80211vap *); 485 void ieee80211_mesh_rt_flush_peer(struct ieee80211vap *, 486 const uint8_t [IEEE80211_ADDR_LEN]); 487 void ieee80211_mesh_proxy_check(struct ieee80211vap *, 488 const uint8_t [IEEE80211_ADDR_LEN]); 489 490 int ieee80211_mesh_register_proto_path(const 491 struct ieee80211_mesh_proto_path *); 492 int ieee80211_mesh_register_proto_metric(const 493 struct ieee80211_mesh_proto_metric *); 494 495 uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 496 uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 497 uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 498 uint16_t); 499 uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); 500 501 void ieee80211_mesh_node_init(struct ieee80211vap *, 502 struct ieee80211_node *); 503 void ieee80211_mesh_node_cleanup(struct ieee80211_node *); 504 void ieee80211_parse_meshid(struct ieee80211_node *, 505 const uint8_t *); 506 struct ieee80211_scanparams; 507 void ieee80211_mesh_init_neighbor(struct ieee80211_node *, 508 const struct ieee80211_frame *, 509 const struct ieee80211_scanparams *); 510 void ieee80211_mesh_update_beacon(struct ieee80211vap *, 511 struct ieee80211_beacon_offsets *); 512 513 /* 514 * Return non-zero if proxy operation is enabled. 515 */ 516 static __inline int 517 ieee80211_mesh_isproxyena(struct ieee80211vap *vap) 518 { 519 struct ieee80211_mesh_state *ms = vap->iv_mesh; 520 return (ms->ms_flags & 521 (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 522 } 523 524 /* 525 * Process an outbound frame: if a path is known to the 526 * destination then return a reference to the next hop 527 * for immediate transmission. Otherwise initiate path 528 * discovery and, if possible queue the packet to be 529 * sent when path discovery completes. 530 */ 531 static __inline struct ieee80211_node * 532 ieee80211_mesh_discover(struct ieee80211vap *vap, 533 const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 534 { 535 struct ieee80211_mesh_state *ms = vap->iv_mesh; 536 return ms->ms_ppath->mpp_discover(vap, dest, m); 537 } 538 539 #endif /* _KERNEL */ 540 #endif /* !_NET80211_IEEE80211_MESH_H_ */ 541