ieee80211_mesh.h revision 197413
1138579Ssam/*- 2138579Ssam * Copyright (c) 2009 The FreeBSD Foundation 3138579Ssam * All rights reserved. 4138579Ssam * 5138579Ssam * This software was developed by Rui Paulo under sponsorship from the 6138579Ssam * FreeBSD Foundation. 7138579Ssam * 8138579Ssam * Redistribution and use in source and binary forms, with or without 9138579Ssam * modification, are permitted provided that the following conditions 10138579Ssam * are met: 11138579Ssam * 1. Redistributions of source code must retain the above copyright 12138579Ssam * notice, this list of conditions and the following disclaimer. 13138579Ssam * 2. Redistributions in binary form must reproduce the above copyright 14138579Ssam * notice, this list of conditions and the following disclaimer in the 15138579Ssam * documentation and/or other materials provided with the distribution. 16138579Ssam * 17138579Ssam * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18138579Ssam * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19138579Ssam * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20138579Ssam * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21138579Ssam * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22138579Ssam * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23138579Ssam * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24138579Ssam * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25138579Ssam * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26138579Ssam * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27138579Ssam * SUCH DAMAGE. 28138579Ssam * 29138579Ssam * $FreeBSD: head/sys/net80211/ieee80211_mesh.h 197413 2009-09-22 18:18:14Z rpaulo $ 30138579Ssam */ 31138579Ssam#ifndef _NET80211_IEEE80211_MESH_H_ 32138579Ssam#define _NET80211_IEEE80211_MESH_H_ 33138579Ssam 34138579Ssam#define IEEE80211_MESH_DEFAULT_TTL 31 35138579Ssam 36138579Ssam/* 37138579Ssam * NB: all structures are __packed so sizeof works on arm, et. al. 38138579Ssam */ 39178354Ssam/* 40178354Ssam * 802.11s Information Elements. 41178354Ssam*/ 42138579Ssam/* Mesh Configuration */ 43140179Srustruct ieee80211_meshconf_ie { 44140179Sru uint8_t conf_ie; /* IEEE80211_ELEMID_MESHCONF */ 45140179Sru uint8_t conf_len; 46138579Ssam uint8_t conf_ver; 47138579Ssam uint8_t conf_pselid[4]; /* Active Path Sel. Proto. ID */ 48138579Ssam uint8_t conf_pmetid[4]; /* APS Metric Identifier */ 49178354Ssam uint8_t conf_ccid[4]; /* Congestion Control Mode ID */ 50178354Ssam uint8_t conf_syncid[4]; /* Sync. Protocol ID */ 51178354Ssam uint8_t conf_authid[4]; /* Auth. Protocol ID */ 52178354Ssam uint8_t conf_form; /* Formation Information */ 53138579Ssam uint8_t conf_cap; 54138579Ssam} __packed; 55138579Ssam 56138579Ssam#define IEEE80211_MESHCONF_VERSION 1 57138579Ssam/* Null Protocol */ 58138579Ssam#define IEEE80211_MESHCONF_NULL_OUI 0x00, 0x0f, 0xac 59138579Ssam#define IEEE80211_MESHCONF_NULL_VALUE 0xff 60138579Ssam#define IEEE80211_MESHCONF_NULL { IEEE80211_MESHCONF_NULL_OUI, \ 61138579Ssam 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 Link Management */ 120struct ieee80211_meshpeer_ie { 121 uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 122 uint8_t peer_len; 123 uint8_t peer_proto[4]; /* Peer Management Protocol */ 124 uint16_t peer_llinkid; /* Local Link ID */ 125 uint16_t peer_linkid; /* Peer Link ID */ 126 uint16_t peer_rcode; 127} __packed; 128 129enum { 130 IEEE80211_MESH_PEER_LINK_OPEN = 0, 131 IEEE80211_MESH_PEER_LINK_CONFIRM = 1, 132 IEEE80211_MESH_PEER_LINK_CLOSE = 2, 133 /* values 3-255 are reserved */ 134}; 135 136/* Mesh Peering Management Protocol */ 137#define IEEE80211_MESH_PEER_PROTO_OUI 0x00, 0x0f, 0xac 138#define IEEE80211_MESH_PEER_PROTO_VALUE 0x2a 139#define IEEE80211_MESH_PEER_PROTO { IEEE80211_MESH_PEER_PROTO_OUI, \ 140 IEEE80211_MESH_PEER_PROTO_VALUE } 141/* Abbreviated Handshake Protocol */ 142#define IEEE80211_MESH_PEER_PROTO_AH_OUI 0x00, 0x0f, 0xac 143#define IEEE80211_MESH_PEER_PROTO_AH_VALUE 0x2b 144#define IEEE80211_MESH_PEER_PROTO_AH { IEEE80211_MESH_PEER_PROTO_AH_OUI, \ 145 IEEE80211_MESH_PEER_PROTO_AH_VALUE } 146#ifdef notyet 147/* Mesh Channel Switch Annoucement */ 148struct ieee80211_meshcsa_ie { 149 uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 150 uint8_t csa_len; 151 uint8_t csa_mode; 152 uint8_t csa_newclass; /* New Regulatory Class */ 153 uint8_t csa_newchan; 154 uint8_t csa_precvalue; /* Precedence Value */ 155 uint8_t csa_count; 156} __packed; 157 158/* Mesh TIM */ 159/* Equal to the non Mesh version */ 160 161/* Mesh Awake Window */ 162struct ieee80211_meshawakew_ie { 163 uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 164 uint8_t awakew_len; 165 uint8_t awakew_windowlen; /* in TUs */ 166} __packed; 167 168/* Mesh Beacon Timing */ 169struct ieee80211_meshbeacont_ie { 170 uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 171 uint8_t beacont_len; 172 struct { 173 uint8_t mp_aid; /* Least Octet of AID */ 174 uint16_t mp_btime; /* Beacon Time */ 175 uint16_t mp_bint; /* Beacon Interval */ 176 } __packed mp[1]; /* NB: variable size */ 177} __packed; 178#endif 179 180/* Portal (MP) Annoucement */ 181struct ieee80211_meshpann_ie { 182 uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 183 uint8_t pann_len; 184 uint8_t pann_flags; 185 uint8_t pann_hopcount; 186 uint8_t pann_ttl; 187 uint8_t pann_addr[IEEE80211_ADDR_LEN]; 188 uint8_t pann_seq; /* PANN Sequence Number */ 189} __packed; 190 191/* Root (MP) Annoucement */ 192struct ieee80211_meshrann_ie { 193 uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 194 uint8_t rann_len; 195 uint8_t rann_flags; 196#define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 197 uint8_t rann_hopcount; 198 uint8_t rann_ttl; 199 uint8_t rann_addr[IEEE80211_ADDR_LEN]; 200 uint32_t rann_seq; /* HWMP Sequence Number */ 201 uint32_t rann_metric; 202} __packed; 203 204/* Mesh Path Request */ 205struct ieee80211_meshpreq_ie { 206 uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 207 uint8_t preq_len; 208 uint8_t preq_flags; 209#define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 210#define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 211#define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 212#define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 213 uint8_t preq_hopcount; 214 uint8_t preq_ttl; 215 uint32_t preq_id; 216 uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 217 uint32_t preq_origseq; /* HWMP Sequence Number */ 218 /* NB: may have Originator Proxied Address */ 219 uint32_t preq_lifetime; 220 uint32_t preq_metric; 221 uint8_t preq_tcount; /* target count */ 222 struct { 223 uint8_t target_flags; 224#define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 225#define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 226#define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 227 uint8_t target_addr[IEEE80211_ADDR_LEN]; 228 uint32_t target_seq; /* HWMP Sequence Number */ 229 } __packed preq_targets[1]; /* NB: variable size */ 230} __packed; 231 232/* Mesh Path Reply */ 233struct ieee80211_meshprep_ie { 234 uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 235 uint8_t prep_len; 236 uint8_t prep_flags; 237 uint8_t prep_hopcount; 238 uint8_t prep_ttl; 239 uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 240 uint32_t prep_targetseq; 241 /* NB: May have Target Proxied Address */ 242 uint32_t prep_lifetime; 243 uint32_t prep_metric; 244 uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 245 uint32_t prep_origseq; /* HWMP Sequence Number */ 246} __packed; 247 248/* Mesh Path Error */ 249struct ieee80211_meshperr_ie { 250 uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 251 uint8_t perr_len; 252 uint8_t perr_ttl; 253 uint8_t perr_ndests; /* Number of Destinations */ 254 struct { 255 uint8_t dest_flags; 256#define IEEE80211_MESHPERR_DFLAGS_USN 0x01 257#define IEEE80211_MESHPERR_DFLAGS_RC 0x02 258 uint8_t dest_addr[IEEE80211_ADDR_LEN]; 259 uint32_t dest_seq; /* HWMP Sequence Number */ 260 uint16_t dest_rcode; 261 } __packed perr_dests[1]; /* NB: variable size */ 262} __packed; 263 264#ifdef notyet 265/* Mesh Proxy Update */ 266struct ieee80211_meshpu_ie { 267 uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 268 uint8_t pu_len; 269 uint8_t pu_flags; 270#define IEEE80211_MESHPU_FLAGS_MASK 0x1 271#define IEEE80211_MESHPU_FLAGS_DEL 0x0 272#define IEEE80211_MESHPU_FLAGS_ADD 0x1 273 uint8_t pu_seq; /* PU Sequence Number */ 274 uint8_t pu_addr[IEEE80211_ADDR_LEN]; 275 uint8_t pu_naddr; /* Number of Proxied Addresses */ 276 /* NB: proxied address follows */ 277} __packed; 278 279/* Mesh Proxy Update Confirmation */ 280struct ieee80211_meshpuc_ie { 281 uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 282 uint8_t puc_len; 283 uint8_t puc_flags; 284 uint8_t puc_seq; /* PU Sequence Number */ 285 uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 286} __packed; 287#endif 288 289/* 290 * 802.11s Action Frames 291 */ 292#define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ 293#define IEEE80211_ACTION_CAT_MESHLMETRIC 13 294#define IEEE80211_ACTION_CAT_MESHPATH 32 /* XXX Linux */ 295#define IEEE80211_ACTION_CAT_INTERWORK 15 296#define IEEE80211_ACTION_CAT_RESOURCE 16 297#define IEEE80211_ACTION_CAT_PROXY 17 298 299/* 300 * Mesh Peering Action codes. 301 */ 302enum { 303 IEEE80211_ACTION_MESHPEERING_OPEN = 0, 304 IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, 305 IEEE80211_ACTION_MESHPEERING_CLOSE = 2, 306 /* 3-255 reserved */ 307}; 308 309/* 310 * Mesh Path Selection Action code. 311 */ 312enum { 313 IEEE80211_ACTION_MESHPATH_SEL = 0, 314 /* 1-255 reserved */ 315}; 316 317/* 318 * Mesh Link Metric Action codes. 319 */ 320enum { 321 IEEE80211_ACTION_MESHLMETRIC_REQ = 0, /* Link Metric Request */ 322 IEEE80211_ACTION_MESHLMETRIC_REP = 1, /* Link Metric Report */ 323 /* 2-255 reserved */ 324}; 325 326/* 327 * Mesh Portal Annoucement Action codes. 328 */ 329enum { 330 IEEE80211_ACTION_MESHPANN = 0, 331 /* 1-255 reserved */ 332}; 333 334/* 335 * Different mesh control structures based on the AE 336 * (Address Extension) bits. 337 */ 338struct ieee80211_meshcntl { 339 uint8_t mc_flags; /* Address Extension 00 */ 340 uint8_t mc_ttl; /* TTL */ 341 uint8_t mc_seq[4]; /* Sequence No. */ 342 /* NB: more addresses may follow */ 343} __packed; 344 345struct ieee80211_meshcntl_ae01 { 346 uint8_t mc_flags; /* Address Extension 01 */ 347 uint8_t mc_ttl; /* TTL */ 348 uint8_t mc_seq[4]; /* Sequence No. */ 349 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 350} __packed; 351 352struct ieee80211_meshcntl_ae10 { 353 uint8_t mc_flags; /* Address Extension 10 */ 354 uint8_t mc_ttl; /* TTL */ 355 uint8_t mc_seq[4]; /* Sequence No. */ 356 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 357 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 358} __packed; 359 360struct ieee80211_meshcntl_ae11 { 361 uint8_t mc_flags; /* Address Extension 11 */ 362 uint8_t mc_ttl; /* TTL */ 363 uint8_t mc_seq[4]; /* Sequence No. */ 364 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 365 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 366 uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 367} __packed; 368 369#ifdef _KERNEL 370MALLOC_DECLARE(M_80211_MESH_RT); 371struct ieee80211_mesh_route { 372 TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 373 int rt_crtime; /* creation time */ 374 uint8_t rt_dest[IEEE80211_ADDR_LEN]; 375 uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 376 uint32_t rt_metric; /* path metric */ 377 uint16_t rt_nhops; /* number of hops */ 378 uint16_t rt_flags; 379#define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 380#define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 381 uint32_t rt_lifetime; 382 uint32_t rt_lastmseq; /* last seq# seen dest */ 383 void *rt_priv; /* private data */ 384}; 385#define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 386 387#define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 388/* 389 * Mesh Path Selection Protocol. 390 */ 391enum ieee80211_state; 392struct ieee80211_mesh_proto_path { 393 char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 394 uint8_t mpp_ie[4]; 395 struct ieee80211_node * 396 (*mpp_discover)(struct ieee80211vap *, 397 const uint8_t [IEEE80211_ADDR_LEN], 398 struct mbuf *); 399 void (*mpp_peerdown)(struct ieee80211_node *); 400 void (*mpp_vattach)(struct ieee80211vap *); 401 void (*mpp_vdetach)(struct ieee80211vap *); 402 int (*mpp_newstate)(struct ieee80211vap *, 403 enum ieee80211_state, int); 404 const size_t mpp_privlen; /* size required in the routing table 405 for private data */ 406 int mpp_inact; /* inact. timeout for invalid routes 407 (ticks) */ 408}; 409 410/* 411 * Mesh Link Metric Report Protocol. 412 */ 413struct ieee80211_mesh_proto_metric { 414 char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 415 uint8_t mpm_ie[4]; 416 uint32_t (*mpm_metric)(struct ieee80211_node *); 417}; 418 419#ifdef notyet 420/* 421 * Mesh Authentication Protocol. 422 */ 423struct ieee80211_mesh_proto_auth { 424 uint8_t mpa_ie[4]; 425}; 426 427struct ieee80211_mesh_proto_congestion { 428}; 429 430struct ieee80211_mesh_proto_sync { 431}; 432#endif 433 434typedef uint32_t ieee80211_mesh_seq; 435#define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 436#define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 437 438struct ieee80211_mesh_state { 439 int ms_idlen; 440 uint8_t ms_id[IEEE80211_MESHID_LEN]; 441 ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 442 uint16_t ms_neighbors; 443 uint8_t ms_ttl; /* mesh ttl set in packets */ 444#define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 445#define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 446#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 447 uint8_t ms_flags; 448 struct mtx ms_rt_lock; 449 struct callout ms_cleantimer; 450 TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 451 struct ieee80211_mesh_proto_metric *ms_pmetric; 452 struct ieee80211_mesh_proto_path *ms_ppath; 453}; 454void ieee80211_mesh_attach(struct ieee80211com *); 455void ieee80211_mesh_detach(struct ieee80211com *); 456 457struct ieee80211_mesh_route * 458 ieee80211_mesh_rt_find(struct ieee80211vap *, 459 const uint8_t [IEEE80211_ADDR_LEN]); 460struct ieee80211_mesh_route * 461 ieee80211_mesh_rt_add(struct ieee80211vap *, 462 const uint8_t [IEEE80211_ADDR_LEN]); 463void ieee80211_mesh_rt_del(struct ieee80211vap *, 464 const uint8_t [IEEE80211_ADDR_LEN]); 465void ieee80211_mesh_rt_flush(struct ieee80211vap *); 466void ieee80211_mesh_rt_flush_peer(struct ieee80211vap *, 467 const uint8_t [IEEE80211_ADDR_LEN]); 468void ieee80211_mesh_proxy_check(struct ieee80211vap *, 469 const uint8_t [IEEE80211_ADDR_LEN]); 470 471int ieee80211_mesh_register_proto_path(const 472 struct ieee80211_mesh_proto_path *); 473int ieee80211_mesh_register_proto_metric(const 474 struct ieee80211_mesh_proto_metric *); 475 476uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 477uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 478uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 479 uint16_t); 480uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); 481 482void ieee80211_mesh_node_init(struct ieee80211vap *, 483 struct ieee80211_node *); 484void ieee80211_mesh_node_cleanup(struct ieee80211_node *); 485void ieee80211_parse_meshid(struct ieee80211_node *, 486 const uint8_t *); 487struct ieee80211_scanparams; 488void ieee80211_mesh_init_neighbor(struct ieee80211_node *, 489 const struct ieee80211_frame *, 490 const struct ieee80211_scanparams *); 491 492/* 493 * Return non-zero if proxy operation is enabled. 494 */ 495static __inline int 496ieee80211_mesh_isproxyena(struct ieee80211vap *vap) 497{ 498 struct ieee80211_mesh_state *ms = vap->iv_mesh; 499 return (ms->ms_flags & 500 (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 501} 502 503/* 504 * Process an outbound frame: if a path is known to the 505 * destination then return a reference to the next hop 506 * for immediate transmission. Otherwise initiate path 507 * discovery and, if possible queue the packet to be 508 * sent when path discovery completes. 509 */ 510static __inline struct ieee80211_node * 511ieee80211_mesh_discover(struct ieee80211vap *vap, 512 const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 513{ 514 struct ieee80211_mesh_state *ms = vap->iv_mesh; 515 return ms->ms_ppath->mpp_discover(vap, dest, m); 516} 517 518#endif /* _KERNEL */ 519#endif /* !_NET80211_IEEE80211_MESH_H_ */ 520