ieee80211_mesh.h revision 195784
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 195784 2009-07-20 19:12:08Z rpaulo $ 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 */ 43struct ieee80211_meshconf_ie { 44 uint8_t conf_ie; /* IEEE80211_ELEMID_MESHCONF */ 45 uint8_t conf_len; 46 uint8_t conf_ver; 47 uint8_t conf_pselid[4]; /* Active Path Sel. Proto. ID */ 48 uint8_t conf_pmetid[4]; /* APS Metric Identifier */ 49 uint8_t conf_ccid[4]; /* Congestion Control Mode ID */ 50 uint8_t conf_syncid[4]; /* Sync. Protocol ID */ 51 uint8_t conf_authid[4]; /* Auth. Protocol ID */ 52 uint8_t conf_form; /* Formation Information */ 53 uint8_t conf_cap; 54} __packed; 55 56#define IEEE80211_MESHCONF_VERSION 1 57/* Null Protocol */ 58#define IEEE80211_MESHCONF_NULL_OUI 0x00, 0x0f, 0xac 59#define IEEE80211_MESHCONF_NULL_VALUE 0xff 60#define IEEE80211_MESHCONF_NULL { IEEE80211_MESHCONF_NULL_OUI, \ 61 IEEE80211_MESHCONF_NULL_VALUE } 62/* Hybrid Wireless Mesh Protocol */ 63#define IEEE80211_MESHCONF_HWMP_OUI 0x00, 0x0f, 0xac 64#define IEEE80211_MESHCONF_HWMP_VALUE 0x00 65#define IEEE80211_MESHCONF_HWMP { IEEE80211_MESHCONF_HWMP_OUI, \ 66 IEEE80211_MESHCONF_HWMP_VALUE } 67/* Airtime Link Metric */ 68#define IEEE80211_MESHCONF_AIRTIME_OUI 0x00, 0x0f, 0xac 69#define IEEE80211_MESHCONF_AIRTIME_VALUE 0x00 70#define IEEE80211_MESHCONF_AIRTIME { IEEE80211_MESHCONF_AIRTIME_OUI, \ 71 IEEE80211_MESHCONF_AIRTIME_VALUE } 72/* Congestion Control Signaling */ 73#define IEEE80211_MESHCONF_CCSIG_OUI 0x00, 0x0f, 0xac 74#define IEEE80211_MESHCONF_CCSIG_VALUE 0x00 75#define IEEE80211_MESHCONF_CCSIG { IEEE80211_MESHCONF_CCSIG_OUI,\ 76 IEEE80211_MESHCONF_CCSIG_VALUE } 77/* Neighbour Offset */ 78#define IEEE80211_MESHCONF_NEIGHOFF_OUI 0x00, 0x0f, 0xac 79#define IEEE80211_MESHCONF_NEIGHOFF_VALUE 0x00 80#define IEEE80211_MESHCONF_NEIGHOFF { IEEE80211_MESHCONF_NEIGHOFF_OUI, \ 81 IEEE80211_MESHCONF_NEIGHOFF_VALUE } 82/* Simultaneous Authenticaction of Equals */ 83#define IEEE80211_MESHCONF_SAE_OUI 0x00, 0x0f, 0xac 84#define IEEE80211_MESHCONF_SAE_VALUE 0x01 85#define IEEE80211_MESHCONF_SAE { IEEE80211_MESHCONF_SAE_OUI, \ 86 IEEE80211_MESHCONF_SAE_VALUE } 87#define IEEE80211_MESHCONF_FORM_MP 0x01 /* Connected to Portal */ 88#define IEEE80211_MESHCONF_FORM_NNEIGH_MASK 0x04 /* Number of Neighbours */ 89#define IEEE80211_MESHCONF_CAP_AP 0x01 /* Accepting Peers */ 90#define IEEE80211_MESHCONF_CAP_MCCAS 0x02 /* MCCA supported */ 91#define IEEE80211_MESHCONF_CAP_MCCAE 0x04 /* MCCA enabled */ 92#define IEEE80211_MESHCONF_CAP_FWRD 0x08 /* forwarding enabled */ 93#define IEEE80211_MESHCONF_CAP_BTR 0x10 /* Beacon Timing Report Enab */ 94#define IEEE80211_MESHCONF_CAP_TBTTA 0x20 /* TBTT Adj. Enabled */ 95#define IEEE80211_MESHCONF_CAP_PSL 0x40 /* Power Save Level */ 96 97/* Mesh Identifier */ 98struct ieee80211_meshid_ie { 99 uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ 100 uint8_t id_len; 101} __packed; 102 103/* Link Metric Report */ 104struct ieee80211_meshlmetric_ie { 105 uint8_t lm_ie; /* IEEE80211_ELEMID_MESHLINK */ 106 uint8_t lm_len; 107 uint32_t lm_metric; 108#define IEEE80211_MESHLMETRIC_INITIALVAL 0 109} __packed; 110 111/* Congestion Notification */ 112struct ieee80211_meshcngst_ie { 113 uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ 114 uint8_t cngst_len; 115 uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, 116 AC_BE, AC_VI, AC_VO */ 117} __packed; 118 119/* Peer Version */ 120struct ieee80211_meshpeerver_ie { 121 uint8_t peerver_ie; /* IEEE80211_ELEMID_MESHPEERVER */ 122 uint8_t peerver_len; 123 uint8_t peerver_proto[4]; 124} __packed; 125/* Mesh Peering Management Protocol */ 126#define IEEE80211_MESHPEERVER_PEER_OUI 0x00, 0x0f, 0xac 127#define IEEE80211_MESHPEERVER_PEER_VALUE 0x2a 128#define IEEE80211_MESHPEERVER_PEER { IEEE80211_MESHPEERVER_PEER_OUI, \ 129 IEEE80211_MESHPEERVER_PEER_VALUE } 130/* Abbreviated Handshake Protocol */ 131#define IEEE80211_MESHPEERVER_AH_OUI 0x00, 0x0f, 0xac 132#define IEEE80211_MESHPEERVER_AH_VALUE 0x2b 133#define IEEE80211_MESHPEERVER_AH { IEEE80211_MESHPEERVER_AH_OUI, \ 134 IEEE80211_MESHPEERVER_AH_VALUE } 135 136/* Peer Link Management */ 137struct ieee80211_meshpeer_ie { 138 uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 139 uint8_t peer_len; 140 uint8_t peer_subtype; 141 uint16_t peer_llinkid; /* Local Link ID */ 142 uint16_t peer_linkid; /* Peer Link ID */ 143 uint16_t peer_rcode; 144} __packed; 145 146enum { 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#ifdef notyet 154/* Mesh Channel Switch Annoucement */ 155struct ieee80211_meshcsa_ie { 156 uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 157 uint8_t csa_len; 158 uint8_t csa_mode; 159 uint8_t csa_newclass; /* New Regulatory Class */ 160 uint8_t csa_newchan; 161 uint8_t csa_precvalue; /* Precedence Value */ 162 uint8_t csa_count; 163} __packed; 164 165/* Mesh TIM */ 166/* Equal to the non Mesh version */ 167 168/* Mesh Awake Window */ 169struct ieee80211_meshawakew_ie { 170 uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 171 uint8_t awakew_len; 172 uint8_t awakew_windowlen; /* in TUs */ 173} __packed; 174 175/* Mesh Beacon Timing */ 176struct ieee80211_meshbeacont_ie { 177 uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 178 uint8_t beacont_len; 179 struct { 180 uint8_t mp_aid; /* Least Octet of AID */ 181 uint16_t mp_btime; /* Beacon Time */ 182 uint16_t mp_bint; /* Beacon Interval */ 183 } __packed mp[1]; /* NB: variable size */ 184} __packed; 185#endif 186 187/* Portal (MP) Annoucement */ 188struct ieee80211_meshpann_ie { 189 uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 190 uint8_t pann_len; 191 uint8_t pann_flags; 192 uint8_t pann_hopcount; 193 uint8_t pann_ttl; 194 uint8_t pann_addr[IEEE80211_ADDR_LEN]; 195 uint8_t pann_seq; /* PANN Sequence Number */ 196} __packed; 197 198/* Root (MP) Annoucement */ 199struct ieee80211_meshrann_ie { 200 uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 201 uint8_t rann_len; 202 uint8_t rann_flags; 203#define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 204 uint8_t rann_hopcount; 205 uint8_t rann_ttl; 206 uint8_t rann_addr[IEEE80211_ADDR_LEN]; 207 uint32_t rann_seq; /* HWMP Sequence Number */ 208 uint32_t rann_metric; 209} __packed; 210 211/* Mesh Path Request */ 212struct ieee80211_meshpreq_ie { 213 uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 214 uint8_t preq_len; 215 uint8_t preq_flags; 216#define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 217#define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 218#define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 219#define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 220 uint8_t preq_hopcount; 221 uint8_t preq_ttl; 222 uint32_t preq_id; 223 uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 224 uint32_t preq_origseq; /* HWMP Sequence Number */ 225 /* NB: may have Originator Proxied Address */ 226 uint32_t preq_lifetime; 227 uint32_t preq_metric; 228 uint8_t preq_tcount; /* target count */ 229 struct { 230 uint8_t target_flags; 231#define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 232#define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 233#define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 234 uint8_t target_addr[IEEE80211_ADDR_LEN]; 235 uint32_t target_seq; /* HWMP Sequence Number */ 236 } __packed preq_targets[1]; /* NB: variable size */ 237} __packed; 238 239/* Mesh Path Reply */ 240struct ieee80211_meshprep_ie { 241 uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 242 uint8_t prep_len; 243 uint8_t prep_flags; 244 uint8_t prep_hopcount; 245 uint8_t prep_ttl; 246 uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 247 uint32_t prep_targetseq; 248 /* NB: May have Target Proxied Address */ 249 uint32_t prep_lifetime; 250 uint32_t prep_metric; 251 uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 252 uint32_t prep_origseq; /* HWMP Sequence Number */ 253} __packed; 254 255/* Mesh Path Error */ 256struct ieee80211_meshperr_ie { 257 uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 258 uint8_t perr_len; 259 uint8_t perr_mode; /* NB: reserved */ 260 uint8_t perr_ndests; /* Number of Destinations */ 261 struct { 262 uint8_t dest_addr[IEEE80211_ADDR_LEN]; 263 uint32_t dest_seq; /* HWMP Sequence Number */ 264 } __packed perr_dests[1]; /* NB: variable size */ 265} __packed; 266 267#ifdef notyet 268/* Mesh Proxy Update */ 269struct ieee80211_meshpu_ie { 270 uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 271 uint8_t pu_len; 272 uint8_t pu_flags; 273#define IEEE80211_MESHPU_FLAGS_MASK 0x1 274#define IEEE80211_MESHPU_FLAGS_DEL 0x0 275#define IEEE80211_MESHPU_FLAGS_ADD 0x1 276 uint8_t pu_seq; /* PU Sequence Number */ 277 uint8_t pu_addr[IEEE80211_ADDR_LEN]; 278 uint8_t pu_naddr; /* Number of Proxied Addresses */ 279 /* NB: proxied address follows */ 280} __packed; 281 282/* Mesh Proxy Update Confirmation */ 283struct ieee80211_meshpuc_ie { 284 uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 285 uint8_t puc_len; 286 uint8_t puc_flags; 287 uint8_t puc_seq; /* PU Sequence Number */ 288 uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 289} __packed; 290#endif 291 292/* 293 * 802.11s Action Frames 294 */ 295#define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ 296#define IEEE80211_ACTION_CAT_MESHLMETRIC 13 297#define IEEE80211_ACTION_CAT_MESHPATH 32 /* XXX Linux */ 298#define IEEE80211_ACTION_CAT_INTERWORK 15 299#define IEEE80211_ACTION_CAT_RESOURCE 16 300#define IEEE80211_ACTION_CAT_PROXY 17 301 302/* 303 * Mesh Peering Action codes. 304 */ 305enum { 306 IEEE80211_ACTION_MESHPEERING_OPEN = 0, 307 IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, 308 IEEE80211_ACTION_MESHPEERING_CLOSE = 2, 309 /* 3-255 reserved */ 310}; 311 312/* 313 * Mesh Path Selection Action codes. 314 */ 315enum { 316 IEEE80211_ACTION_MESHPATH_REQ = 0, 317 IEEE80211_ACTION_MESHPATH_REP = 1, 318 IEEE80211_ACTION_MESHPATH_ERR = 2, 319 IEEE80211_ACTION_MESHPATH_RANN = 3, 320 /* 4-255 reserved */ 321}; 322 323/* 324 * Mesh Link Metric Action codes. 325 */ 326enum { 327 IEEE80211_ACTION_MESHLMETRIC_REQ = 0, /* Link Metric Request */ 328 IEEE80211_ACTION_MESHLMETRIC_REP = 1, /* Link Metric Report */ 329 /* 2-255 reserved */ 330}; 331 332/* 333 * Mesh Portal Annoucement Action codes. 334 */ 335enum { 336 IEEE80211_ACTION_MESHPANN = 0, 337 /* 1-255 reserved */ 338}; 339 340/* 341 * Different mesh control structures based on the AE 342 * (Address Extension) bits. 343 */ 344struct ieee80211_meshcntl { 345 uint8_t mc_flags; /* Address Extension 00 */ 346 uint8_t mc_ttl; /* TTL */ 347 uint8_t mc_seq[4]; /* Sequence No. */ 348 /* NB: more addresses may follow */ 349} __packed; 350 351struct ieee80211_meshcntl_ae01 { 352 uint8_t mc_flags; /* Address Extension 01 */ 353 uint8_t mc_ttl; /* TTL */ 354 uint8_t mc_seq[4]; /* Sequence No. */ 355 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 356} __packed; 357 358struct ieee80211_meshcntl_ae10 { 359 uint8_t mc_flags; /* Address Extension 10 */ 360 uint8_t mc_ttl; /* TTL */ 361 uint8_t mc_seq[4]; /* Sequence No. */ 362 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 363 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 364} __packed; 365 366struct ieee80211_meshcntl_ae11 { 367 uint8_t mc_flags; /* Address Extension 11 */ 368 uint8_t mc_ttl; /* TTL */ 369 uint8_t mc_seq[4]; /* Sequence No. */ 370 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 371 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 372 uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 373} __packed; 374 375#ifdef _KERNEL 376MALLOC_DECLARE(M_80211_MESH_RT); 377struct ieee80211_mesh_route { 378 TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 379 struct timeval rt_crtime; /* creation time */ 380 uint8_t rt_dest[IEEE80211_ADDR_LEN]; 381 uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 382 uint32_t rt_metric; /* path metric */ 383 uint16_t rt_nhops; /* number of hops */ 384 uint16_t rt_flags; 385#define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 386#define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 387 uint32_t rt_lifetime; 388 uint32_t rt_lastmseq; /* last seq# seen dest */ 389 void *rt_priv; /* private data */ 390}; 391#define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 392 393#define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 394/* 395 * Mesh Path Selection Protocol. 396 */ 397enum ieee80211_state; 398struct ieee80211_mesh_proto_path { 399 char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 400 uint8_t mpp_ie[4]; 401 struct ieee80211_node * 402 (*mpp_discover)(struct ieee80211vap *, 403 const uint8_t [IEEE80211_ADDR_LEN], 404 struct mbuf *); 405 void (*mpp_peerdown)(struct ieee80211_node *); 406 void (*mpp_vattach)(struct ieee80211vap *); 407 void (*mpp_vdetach)(struct ieee80211vap *); 408 int (*mpp_newstate)(struct ieee80211vap *, 409 enum ieee80211_state, int); 410 const size_t mpp_privlen; /* size required in the routing table 411 for private data */ 412 const struct timeval mpp_inact; /* inact. timeout for invalid routes */ 413}; 414 415/* 416 * Mesh Link Metric Report Protocol. 417 */ 418struct ieee80211_mesh_proto_metric { 419 char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 420 uint8_t mpm_ie[4]; 421 uint32_t (*mpm_metric)(struct ieee80211_node *); 422}; 423 424#ifdef notyet 425/* 426 * Mesh Authentication Protocol. 427 */ 428struct ieee80211_mesh_proto_auth { 429 uint8_t mpa_ie[4]; 430}; 431 432struct ieee80211_mesh_proto_congestion { 433}; 434 435struct ieee80211_mesh_proto_sync { 436}; 437#endif 438 439typedef uint32_t ieee80211_mesh_seq; 440#define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 441#define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 442 443struct ieee80211_mesh_state { 444 int ms_idlen; 445 uint8_t ms_id[IEEE80211_MESHID_LEN]; 446 ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 447 uint16_t ms_neighbors; 448 uint8_t ms_ttl; /* mesh ttl set in packets */ 449#define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 450#define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 451#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 452 uint8_t ms_flags; 453 struct mtx ms_rt_lock; 454 struct callout ms_cleantimer; 455 TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 456 struct ieee80211_mesh_proto_metric *ms_pmetric; 457 struct ieee80211_mesh_proto_path *ms_ppath; 458}; 459void ieee80211_mesh_attach(struct ieee80211com *); 460void ieee80211_mesh_detach(struct ieee80211com *); 461 462struct ieee80211_mesh_route * 463 ieee80211_mesh_rt_find(struct ieee80211vap *, 464 const uint8_t [IEEE80211_ADDR_LEN]); 465struct ieee80211_mesh_route * 466 ieee80211_mesh_rt_add(struct ieee80211vap *, 467 const uint8_t [IEEE80211_ADDR_LEN]); 468void ieee80211_mesh_rt_del(struct ieee80211vap *, 469 const uint8_t [IEEE80211_ADDR_LEN]); 470void ieee80211_mesh_rt_flush(struct ieee80211vap *); 471void ieee80211_mesh_proxy_check(struct ieee80211vap *, 472 const uint8_t [IEEE80211_ADDR_LEN]); 473 474int ieee80211_mesh_register_proto_path(const 475 struct ieee80211_mesh_proto_path *); 476int ieee80211_mesh_register_proto_metric(const 477 struct ieee80211_mesh_proto_metric *); 478 479uint8_t * ieee80211_add_meshpeerver(uint8_t *, struct ieee80211vap *); 480uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 481uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 482uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 483 uint16_t); 484uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); 485 486void ieee80211_mesh_node_init(struct ieee80211vap *, 487 struct ieee80211_node *); 488void ieee80211_mesh_node_cleanup(struct ieee80211_node *); 489void ieee80211_parse_meshid(struct ieee80211_node *, 490 const uint8_t *); 491struct ieee80211_scanparams; 492void ieee80211_mesh_init_neighbor(struct ieee80211_node *, 493 const struct ieee80211_frame *, 494 const struct ieee80211_scanparams *); 495 496/* 497 * Return non-zero if proxy operation is enabled. 498 */ 499static __inline int 500ieee80211_mesh_isproxyena(struct ieee80211vap *vap) 501{ 502 struct ieee80211_mesh_state *ms = vap->iv_mesh; 503 return (ms->ms_flags & 504 (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 505} 506 507/* 508 * Process an outbound frame: if a path is known to the 509 * destination then return a reference to the next hop 510 * for immediate transmission. Otherwise initiate path 511 * discovery and, if possible queue the packet to be 512 * sent when path discovery completes. 513 */ 514static __inline struct ieee80211_node * 515ieee80211_mesh_discover(struct ieee80211vap *vap, 516 const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 517{ 518 struct ieee80211_mesh_state *ms = vap->iv_mesh; 519 return ms->ms_ppath->mpp_discover(vap, dest, m); 520} 521 522#endif /* _KERNEL */ 523#endif /* !_NET80211_IEEE80211_MESH_H_ */ 524