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: head/sys/net80211/ieee80211_mesh.h 202178 2010-01-12 22:22:27Z rpaulo $ 30 * $DragonFly$ 31 */ 32 #ifndef _NET80211_IEEE80211_MESH_H_ 33 #define _NET80211_IEEE80211_MESH_H_ 34 35 #define IEEE80211_MESH_DEFAULT_TTL 31 36 37 /* 38 * NB: all structures are __packed so sizeof works on arm, et. al. 39 */ 40 /* 41 * 802.11s Information Elements. 42 */ 43 /* Mesh Configuration */ 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 uint16_t conf_cap; 54 } __packed; 55 56 /* Hybrid Wireless Mesh Protocol */ 57 #define IEEE80211_MESHCONF_PATH_HWMP 0x00 58 /* Airtime Link Metric */ 59 #define IEEE80211_MESHCONF_METRIC_AIRTIME 0x00 60 /* Congestion Control */ 61 #define IEEE80211_MESHCONF_CC_DISABLED 0x00 62 #define IEEE80211_MESHCONF_CC_SIG 0x01 63 /* Neighbour Offset */ 64 #define IEEE80211_MESHCONF_SYNC_NEIGHOFF 0x00 65 #define IEEE80211_MESHCONF_AUTH_DISABLED 0x00 66 /* Simultaneous Authenticaction of Equals */ 67 #define IEEE80211_MESHCONF_AUTH_SAE 0x01 68 #define IEEE80211_MESHCONF_FORM_MP 0x01 /* Connected to Portal */ 69 #define IEEE80211_MESHCONF_FORM_NNEIGH_MASK 0x04 /* Number of Neighbours */ 70 #define IEEE80211_MESHCONF_CAP_AP 0x01 /* Accepting Peers */ 71 #define IEEE80211_MESHCONF_CAP_MCCAS 0x02 /* MCCA supported */ 72 #define IEEE80211_MESHCONF_CAP_MCCAE 0x04 /* MCCA enabled */ 73 #define IEEE80211_MESHCONF_CAP_FWRD 0x08 /* forwarding enabled */ 74 #define IEEE80211_MESHCONF_CAP_BTR 0x10 /* Beacon Timing Report Enab */ 75 #define IEEE80211_MESHCONF_CAP_TBTTA 0x20 /* TBTT Adj. Enabled */ 76 #define IEEE80211_MESHCONF_CAP_TBTT 0x40 /* TBTT Adjusting */ 77 #define IEEE80211_MESHCONF_CAP_PSL 0x80 /* Power Save Level */ 78 79 /* Mesh Identifier */ 80 struct ieee80211_meshid_ie { 81 uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ 82 uint8_t id_len; 83 } __packed; 84 85 /* Link Metric Report */ 86 struct ieee80211_meshlmetric_ie { 87 uint8_t lm_ie; /* IEEE80211_ELEMID_MESHLINK */ 88 uint8_t lm_len; 89 uint32_t lm_metric; 90 #define IEEE80211_MESHLMETRIC_INITIALVAL 0 91 } __packed; 92 93 /* Congestion Notification */ 94 struct ieee80211_meshcngst_ie { 95 uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ 96 uint8_t cngst_len; 97 uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, 98 AC_BE, AC_VI, AC_VO */ 99 } __packed; 100 101 /* Peer Link Management */ 102 struct ieee80211_meshpeer_ie { 103 uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 104 uint8_t peer_len; 105 uint8_t peer_proto[4]; /* Peer Management Protocol */ 106 uint16_t peer_llinkid; /* Local Link ID */ 107 uint16_t peer_linkid; /* Peer Link ID */ 108 uint16_t peer_rcode; 109 } __packed; 110 111 enum { 112 IEEE80211_MESH_PEER_LINK_OPEN = 0, 113 IEEE80211_MESH_PEER_LINK_CONFIRM = 1, 114 IEEE80211_MESH_PEER_LINK_CLOSE = 2, 115 /* values 3-255 are reserved */ 116 }; 117 118 /* Mesh Peering Management Protocol */ 119 #define IEEE80211_MESH_PEER_PROTO_OUI 0x00, 0x0f, 0xac 120 #define IEEE80211_MESH_PEER_PROTO_VALUE 0x2a 121 #define IEEE80211_MESH_PEER_PROTO { IEEE80211_MESH_PEER_PROTO_OUI, \ 122 IEEE80211_MESH_PEER_PROTO_VALUE } 123 /* Abbreviated Handshake Protocol */ 124 #define IEEE80211_MESH_PEER_PROTO_AH_OUI 0x00, 0x0f, 0xac 125 #define IEEE80211_MESH_PEER_PROTO_AH_VALUE 0x2b 126 #define IEEE80211_MESH_PEER_PROTO_AH { IEEE80211_MESH_PEER_PROTO_AH_OUI, \ 127 IEEE80211_MESH_PEER_PROTO_AH_VALUE } 128 #ifdef notyet 129 /* Mesh Channel Switch Annoucement */ 130 struct ieee80211_meshcsa_ie { 131 uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 132 uint8_t csa_len; 133 uint8_t csa_mode; 134 uint8_t csa_newclass; /* New Regulatory Class */ 135 uint8_t csa_newchan; 136 uint8_t csa_precvalue; /* Precedence Value */ 137 uint8_t csa_count; 138 } __packed; 139 140 /* Mesh TIM */ 141 /* Equal to the non Mesh version */ 142 143 /* Mesh Awake Window */ 144 struct ieee80211_meshawakew_ie { 145 uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 146 uint8_t awakew_len; 147 uint8_t awakew_windowlen; /* in TUs */ 148 } __packed; 149 150 /* Mesh Beacon Timing */ 151 struct ieee80211_meshbeacont_ie { 152 uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 153 uint8_t beacont_len; 154 struct { 155 uint8_t mp_aid; /* Least Octet of AID */ 156 uint16_t mp_btime; /* Beacon Time */ 157 uint16_t mp_bint; /* Beacon Interval */ 158 } __packed mp[1]; /* NB: variable size */ 159 } __packed; 160 #endif 161 162 /* Portal (MP) Annoucement */ 163 struct ieee80211_meshpann_ie { 164 uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 165 uint8_t pann_len; 166 uint8_t pann_flags; 167 uint8_t pann_hopcount; 168 uint8_t pann_ttl; 169 uint8_t pann_addr[IEEE80211_ADDR_LEN]; 170 uint8_t pann_seq; /* PANN Sequence Number */ 171 } __packed; 172 173 /* Root (MP) Annoucement */ 174 struct ieee80211_meshrann_ie { 175 uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 176 uint8_t rann_len; 177 uint8_t rann_flags; 178 #define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 179 uint8_t rann_hopcount; 180 uint8_t rann_ttl; 181 uint8_t rann_addr[IEEE80211_ADDR_LEN]; 182 uint32_t rann_seq; /* HWMP Sequence Number */ 183 uint32_t rann_metric; 184 } __packed; 185 186 /* Mesh Path Request */ 187 struct ieee80211_meshpreq_ie { 188 uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 189 uint8_t preq_len; 190 uint8_t preq_flags; 191 #define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 192 #define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 193 #define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 194 #define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 195 uint8_t preq_hopcount; 196 uint8_t preq_ttl; 197 uint32_t preq_id; 198 uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 199 uint32_t preq_origseq; /* HWMP Sequence Number */ 200 /* NB: may have Originator Proxied Address */ 201 uint32_t preq_lifetime; 202 uint32_t preq_metric; 203 uint8_t preq_tcount; /* target count */ 204 struct { 205 uint8_t target_flags; 206 #define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 207 #define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 208 #define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 209 uint8_t target_addr[IEEE80211_ADDR_LEN]; 210 uint32_t target_seq; /* HWMP Sequence Number */ 211 } __packed preq_targets[1]; /* NB: variable size */ 212 } __packed; 213 214 /* Mesh Path Reply */ 215 struct ieee80211_meshprep_ie { 216 uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 217 uint8_t prep_len; 218 uint8_t prep_flags; 219 uint8_t prep_hopcount; 220 uint8_t prep_ttl; 221 uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 222 uint32_t prep_targetseq; 223 /* NB: May have Target Proxied Address */ 224 uint32_t prep_lifetime; 225 uint32_t prep_metric; 226 uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 227 uint32_t prep_origseq; /* HWMP Sequence Number */ 228 } __packed; 229 230 /* Mesh Path Error */ 231 struct ieee80211_meshperr_ie { 232 uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 233 uint8_t perr_len; 234 uint8_t perr_ttl; 235 uint8_t perr_ndests; /* Number of Destinations */ 236 struct { 237 uint8_t dest_flags; 238 #define IEEE80211_MESHPERR_DFLAGS_USN 0x01 239 #define IEEE80211_MESHPERR_DFLAGS_RC 0x02 240 uint8_t dest_addr[IEEE80211_ADDR_LEN]; 241 uint32_t dest_seq; /* HWMP Sequence Number */ 242 uint16_t dest_rcode; 243 } __packed perr_dests[1]; /* NB: variable size */ 244 } __packed; 245 246 #ifdef notyet 247 /* Mesh Proxy Update */ 248 struct ieee80211_meshpu_ie { 249 uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 250 uint8_t pu_len; 251 uint8_t pu_flags; 252 #define IEEE80211_MESHPU_FLAGS_MASK 0x1 253 #define IEEE80211_MESHPU_FLAGS_DEL 0x0 254 #define IEEE80211_MESHPU_FLAGS_ADD 0x1 255 uint8_t pu_seq; /* PU Sequence Number */ 256 uint8_t pu_addr[IEEE80211_ADDR_LEN]; 257 uint8_t pu_naddr; /* Number of Proxied Addresses */ 258 /* NB: proxied address follows */ 259 } __packed; 260 261 /* Mesh Proxy Update Confirmation */ 262 struct ieee80211_meshpuc_ie { 263 uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 264 uint8_t puc_len; 265 uint8_t puc_flags; 266 uint8_t puc_seq; /* PU Sequence Number */ 267 uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 268 } __packed; 269 #endif 270 271 /* 272 * 802.11s Action Frames 273 */ 274 #define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ 275 #define IEEE80211_ACTION_CAT_MESHLMETRIC 13 276 #define IEEE80211_ACTION_CAT_MESHPATH 32 /* XXX Linux */ 277 #define IEEE80211_ACTION_CAT_INTERWORK 15 278 #define IEEE80211_ACTION_CAT_RESOURCE 16 279 #define IEEE80211_ACTION_CAT_PROXY 17 280 281 /* 282 * Mesh Peering Action codes. 283 */ 284 enum { 285 IEEE80211_ACTION_MESHPEERING_OPEN = 0, 286 IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, 287 IEEE80211_ACTION_MESHPEERING_CLOSE = 2, 288 /* 3-255 reserved */ 289 }; 290 291 /* 292 * Mesh Path Selection Action code. 293 */ 294 enum { 295 IEEE80211_ACTION_MESHPATH_SEL = 0, 296 /* 1-255 reserved */ 297 }; 298 299 /* 300 * Mesh Link Metric Action codes. 301 */ 302 enum { 303 IEEE80211_ACTION_MESHLMETRIC_REQ = 0, /* Link Metric Request */ 304 IEEE80211_ACTION_MESHLMETRIC_REP = 1, /* Link Metric Report */ 305 /* 2-255 reserved */ 306 }; 307 308 /* 309 * Mesh Portal Annoucement Action codes. 310 */ 311 enum { 312 IEEE80211_ACTION_MESHPANN = 0, 313 /* 1-255 reserved */ 314 }; 315 316 /* 317 * Different mesh control structures based on the AE 318 * (Address Extension) bits. 319 */ 320 struct ieee80211_meshcntl { 321 uint8_t mc_flags; /* Address Extension 00 */ 322 uint8_t mc_ttl; /* TTL */ 323 uint8_t mc_seq[4]; /* Sequence No. */ 324 /* NB: more addresses may follow */ 325 } __packed; 326 327 struct ieee80211_meshcntl_ae01 { 328 uint8_t mc_flags; /* Address Extension 01 */ 329 uint8_t mc_ttl; /* TTL */ 330 uint8_t mc_seq[4]; /* Sequence No. */ 331 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 332 } __packed; 333 334 struct ieee80211_meshcntl_ae10 { 335 uint8_t mc_flags; /* Address Extension 10 */ 336 uint8_t mc_ttl; /* TTL */ 337 uint8_t mc_seq[4]; /* Sequence No. */ 338 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 339 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 340 } __packed; 341 342 struct ieee80211_meshcntl_ae11 { 343 uint8_t mc_flags; /* Address Extension 11 */ 344 uint8_t mc_ttl; /* TTL */ 345 uint8_t mc_seq[4]; /* Sequence No. */ 346 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 347 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 348 uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 349 } __packed; 350 351 #ifdef _KERNEL 352 MALLOC_DECLARE(M_80211_MESH_RT); 353 struct ieee80211_mesh_route { 354 TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 355 int rt_crtime; /* creation time */ 356 uint8_t rt_dest[IEEE80211_ADDR_LEN]; 357 uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 358 uint32_t rt_metric; /* path metric */ 359 uint16_t rt_nhops; /* number of hops */ 360 uint16_t rt_flags; 361 #define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 362 #define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 363 uint32_t rt_lifetime; 364 uint32_t rt_lastmseq; /* last seq# seen dest */ 365 void *rt_priv; /* private data */ 366 }; 367 #define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 368 369 #define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 370 /* 371 * Mesh Path Selection Protocol. 372 */ 373 enum ieee80211_state; 374 struct ieee80211_mesh_proto_path { 375 uint8_t mpp_active; 376 char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 377 uint8_t mpp_ie; 378 struct ieee80211_node * 379 (*mpp_discover)(struct ieee80211vap *, 380 const uint8_t [IEEE80211_ADDR_LEN], 381 struct mbuf *); 382 void (*mpp_peerdown)(struct ieee80211_node *); 383 void (*mpp_vattach)(struct ieee80211vap *); 384 void (*mpp_vdetach)(struct ieee80211vap *); 385 int (*mpp_newstate)(struct ieee80211vap *, 386 enum ieee80211_state, int); 387 const size_t mpp_privlen; /* size required in the routing table 388 for private data */ 389 int mpp_inact; /* inact. timeout for invalid routes 390 (ticks) */ 391 }; 392 393 /* 394 * Mesh Link Metric Report Protocol. 395 */ 396 struct ieee80211_mesh_proto_metric { 397 uint8_t mpm_active; 398 char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 399 uint8_t mpm_ie; 400 uint32_t (*mpm_metric)(struct ieee80211_node *); 401 }; 402 403 #ifdef notyet 404 /* 405 * Mesh Authentication Protocol. 406 */ 407 struct ieee80211_mesh_proto_auth { 408 uint8_t mpa_ie[4]; 409 }; 410 411 struct ieee80211_mesh_proto_congestion { 412 }; 413 414 struct ieee80211_mesh_proto_sync { 415 }; 416 #endif 417 418 typedef uint32_t ieee80211_mesh_seq; 419 #define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 420 #define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 421 422 struct ieee80211_mesh_state { 423 int ms_idlen; 424 uint8_t ms_id[IEEE80211_MESHID_LEN]; 425 ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 426 uint16_t ms_neighbors; 427 uint8_t ms_ttl; /* mesh ttl set in packets */ 428 #define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 429 #define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 430 #define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 431 uint8_t ms_flags; 432 struct callout ms_cleantimer; 433 TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 434 struct ieee80211_mesh_proto_metric *ms_pmetric; 435 struct ieee80211_mesh_proto_path *ms_ppath; 436 }; 437 void ieee80211_mesh_attach(struct ieee80211com *); 438 void ieee80211_mesh_detach(struct ieee80211com *); 439 440 struct ieee80211_mesh_route * 441 ieee80211_mesh_rt_find(struct ieee80211vap *, 442 const uint8_t [IEEE80211_ADDR_LEN]); 443 struct ieee80211_mesh_route * 444 ieee80211_mesh_rt_add(struct ieee80211vap *, 445 const uint8_t [IEEE80211_ADDR_LEN]); 446 void ieee80211_mesh_rt_del(struct ieee80211vap *, 447 const uint8_t [IEEE80211_ADDR_LEN]); 448 void ieee80211_mesh_rt_flush(struct ieee80211vap *); 449 void ieee80211_mesh_rt_flush_peer(struct ieee80211vap *, 450 const uint8_t [IEEE80211_ADDR_LEN]); 451 void ieee80211_mesh_proxy_check(struct ieee80211vap *, 452 const uint8_t [IEEE80211_ADDR_LEN]); 453 454 int ieee80211_mesh_register_proto_path(const 455 struct ieee80211_mesh_proto_path *); 456 int ieee80211_mesh_register_proto_metric(const 457 struct ieee80211_mesh_proto_metric *); 458 459 uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 460 uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 461 uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 462 uint16_t); 463 uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); 464 465 void ieee80211_mesh_node_init(struct ieee80211vap *, 466 struct ieee80211_node *); 467 void ieee80211_mesh_node_cleanup(struct ieee80211_node *); 468 void ieee80211_parse_meshid(struct ieee80211_node *, 469 const uint8_t *); 470 struct ieee80211_scanparams; 471 void ieee80211_mesh_init_neighbor(struct ieee80211_node *, 472 const struct ieee80211_frame *, 473 const struct ieee80211_scanparams *); 474 void ieee80211_mesh_update_beacon(struct ieee80211vap *, 475 struct ieee80211_beacon_offsets *); 476 477 /* 478 * Return non-zero if proxy operation is enabled. 479 */ 480 static __inline int 481 ieee80211_mesh_isproxyena(struct ieee80211vap *vap) 482 { 483 struct ieee80211_mesh_state *ms = vap->iv_mesh; 484 return (ms->ms_flags & 485 (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 486 } 487 488 /* 489 * Process an outbound frame: if a path is known to the 490 * destination then return a reference to the next hop 491 * for immediate transmission. Otherwise initiate path 492 * discovery and, if possible queue the packet to be 493 * sent when path discovery completes. 494 */ 495 static __inline struct ieee80211_node * 496 ieee80211_mesh_discover(struct ieee80211vap *vap, 497 const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 498 { 499 struct ieee80211_mesh_state *ms = vap->iv_mesh; 500 return ms->ms_ppath->mpp_discover(vap, dest, m); 501 } 502 503 #endif /* _KERNEL */ 504 #endif /* !_NET80211_IEEE80211_MESH_H_ */ 505