ieee80211_mesh.h revision 234875
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 234875 2012-05-01 15:39:16Z monthadar $ 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) 44struct 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 */ 57enum { 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 */ 65enum { 66 /* 0 reserved */ 67 IEEE80211_MESHCONF_METRIC_AIRTIME = 1, 68 /* 2-254 reserved */ 69 IEEE80211_MESHCONF_METRIC_VENDOR = 255, 70}; 71 72/* Congestion Control */ 73enum { 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 */ 81enum { 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 */ 89enum { 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 */ 115struct ieee80211_meshid_ie { 116 uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ 117 uint8_t id_len; 118} __packed; 119 120/* Link Metric Report */ 121struct 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 */ 135struct 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#define IEEE80211_MPM_BASE_SZ (4) 144#define IEEE80211_MPM_MAX_SZ (8) 145struct ieee80211_meshpeer_ie { 146 uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 147 uint8_t peer_len; 148 uint16_t peer_proto; /* Peer Management Protocol */ 149 uint16_t peer_llinkid; /* Local Link ID */ 150 uint16_t peer_linkid; /* Peer Link ID */ 151 uint16_t peer_rcode; 152} __packed; 153 154/* Mesh Peering Protocol Identifier field value */ 155enum { 156 IEEE80211_MPPID_MPM = 0, /* Mesh peering management */ 157 IEEE80211_MPPID_AUTH_MPM = 1, /* Auth. mesh peering exchange */ 158 /* 2-65535 reserved */ 159}; 160 161#ifdef notyet 162/* Mesh Channel Switch Annoucement */ 163struct ieee80211_meshcsa_ie { 164 uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 165 uint8_t csa_len; 166 uint8_t csa_mode; 167 uint8_t csa_newclass; /* New Regulatory Class */ 168 uint8_t csa_newchan; 169 uint8_t csa_precvalue; /* Precedence Value */ 170 uint8_t csa_count; 171} __packed; 172 173/* Mesh TIM */ 174/* Equal to the non Mesh version */ 175 176/* Mesh Awake Window */ 177struct ieee80211_meshawakew_ie { 178 uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 179 uint8_t awakew_len; 180 uint8_t awakew_windowlen; /* in TUs */ 181} __packed; 182 183/* Mesh Beacon Timing */ 184struct ieee80211_meshbeacont_ie { 185 uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 186 uint8_t beacont_len; 187 struct { 188 uint8_t mp_aid; /* Least Octet of AID */ 189 uint16_t mp_btime; /* Beacon Time */ 190 uint16_t mp_bint; /* Beacon Interval */ 191 } __packed mp[1]; /* NB: variable size */ 192} __packed; 193#endif 194 195/* Portal (MP) Annoucement */ 196struct ieee80211_meshpann_ie { 197 uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 198 uint8_t pann_len; 199 uint8_t pann_flags; 200 uint8_t pann_hopcount; 201 uint8_t pann_ttl; 202 uint8_t pann_addr[IEEE80211_ADDR_LEN]; 203 uint8_t pann_seq; /* PANN Sequence Number */ 204} __packed; 205 206/* Root (MP) Annoucement */ 207#define IEEE80211_MESHRANN_BASE_SZ (21) 208struct ieee80211_meshrann_ie { 209 uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 210 uint8_t rann_len; 211 uint8_t rann_flags; 212#define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 213 uint8_t rann_hopcount; 214 uint8_t rann_ttl; 215 uint8_t rann_addr[IEEE80211_ADDR_LEN]; 216 uint32_t rann_seq; /* HWMP Sequence Number */ 217 uint32_t rann_interval; 218 uint32_t rann_metric; 219} __packed; 220 221/* Mesh Path Request */ 222#define IEEE80211_MESHPREQ_BASE_SZ (26) 223#define IEEE80211_MESHPREQ_BASE_SZ_AE (32) 224#define IEEE80211_MESHPREQ_TRGT_SZ (11) 225#define IEEE80211_MESHPREQ_TCNT_OFFSET (27) 226#define IEEE80211_MESHPREQ_TCNT_OFFSET_AE (33) 227struct ieee80211_meshpreq_ie { 228 uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 229 uint8_t preq_len; 230 uint8_t preq_flags; 231#define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 232#define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 233#define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 234#define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 235 uint8_t preq_hopcount; 236 uint8_t preq_ttl; 237 uint32_t preq_id; 238 uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 239 uint32_t preq_origseq; /* HWMP Sequence Number */ 240 /* NB: may have Originator External Address */ 241 uint8_t preq_orig_ext_addr[IEEE80211_ADDR_LEN]; 242 uint32_t preq_lifetime; 243 uint32_t preq_metric; 244 uint8_t preq_tcount; /* target count */ 245 struct { 246 uint8_t target_flags; 247#define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 248#define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 249#define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 250 uint8_t target_addr[IEEE80211_ADDR_LEN]; 251 uint32_t target_seq; /* HWMP Sequence Number */ 252 } __packed preq_targets[1]; /* NB: variable size */ 253} __packed; 254 255/* Mesh Path Reply */ 256#define IEEE80211_MESHPREP_BASE_SZ (31) 257#define IEEE80211_MESHPREP_BASE_SZ_AE (37) 258struct ieee80211_meshprep_ie { 259 uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 260 uint8_t prep_len; 261 uint8_t prep_flags; 262#define IEEE80211_MESHPREP_FLAGS_AE 0x40 /* Address Extension */ 263 uint8_t prep_hopcount; 264 uint8_t prep_ttl; 265 uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 266 uint32_t prep_targetseq; 267 /* NB: May have Target External Address */ 268 uint8_t prep_target_ext_addr[IEEE80211_ADDR_LEN]; 269 uint32_t prep_lifetime; 270 uint32_t prep_metric; 271 uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 272 uint32_t prep_origseq; /* HWMP Sequence Number */ 273} __packed; 274 275/* Mesh Path Error */ 276#define IEEE80211_MESHPERR_MAXDEST (19) 277#define IEEE80211_MESHPERR_NDEST_OFFSET (3) 278#define IEEE80211_MESHPERR_BASE_SZ (2) 279#define IEEE80211_MESHPERR_DEST_SZ (13) 280#define IEEE80211_MESHPERR_DEST_SZ_AE (19) 281struct ieee80211_meshperr_ie { 282 uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 283 uint8_t perr_len; 284 uint8_t perr_ttl; 285 uint8_t perr_ndests; /* Number of Destinations */ 286 struct { 287 uint8_t dest_flags; 288#define IEEE80211_MESHPERR_DFLAGS_USN 0x01 /* XXX: not part of standard */ 289#define IEEE80211_MESHPERR_DFLAGS_RC 0x02 /* XXX: not part of standard */ 290#define IEEE80211_MESHPERR_FLAGS_AE 0x40 /* Address Extension */ 291 uint8_t dest_addr[IEEE80211_ADDR_LEN]; 292 uint32_t dest_seq; /* HWMP Sequence Number */ 293 /* NB: May have Destination External Address */ 294 uint8_t dest_ext_addr[IEEE80211_ADDR_LEN]; 295 uint16_t dest_rcode; 296 } __packed perr_dests[1]; /* NB: variable size */ 297} __packed; 298 299#ifdef notyet 300/* Mesh Proxy Update */ 301struct ieee80211_meshpu_ie { 302 uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 303 uint8_t pu_len; 304 uint8_t pu_flags; 305#define IEEE80211_MESHPU_FLAGS_MASK 0x1 306#define IEEE80211_MESHPU_FLAGS_DEL 0x0 307#define IEEE80211_MESHPU_FLAGS_ADD 0x1 308 uint8_t pu_seq; /* PU Sequence Number */ 309 uint8_t pu_addr[IEEE80211_ADDR_LEN]; 310 uint8_t pu_naddr; /* Number of Proxied Addresses */ 311 /* NB: proxied address follows */ 312} __packed; 313 314/* Mesh Proxy Update Confirmation */ 315struct ieee80211_meshpuc_ie { 316 uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 317 uint8_t puc_len; 318 uint8_t puc_flags; 319 uint8_t puc_seq; /* PU Sequence Number */ 320 uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 321} __packed; 322#endif 323 324/* 325 * 802.11s Action Frames 326 * XXX: these are wrong, and some of them should be 327 * under MESH category while PROXY is under MULTIHOP category. 328 */ 329#define IEEE80211_ACTION_CAT_INTERWORK 15 330#define IEEE80211_ACTION_CAT_RESOURCE 16 331#define IEEE80211_ACTION_CAT_PROXY 17 332 333/* 334 * Mesh Peering Action codes. 335 */ 336enum { 337 /* 0 reserved */ 338 IEEE80211_ACTION_MESHPEERING_OPEN = 1, 339 IEEE80211_ACTION_MESHPEERING_CONFIRM = 2, 340 IEEE80211_ACTION_MESHPEERING_CLOSE = 3, 341 /* 4-255 reserved */ 342}; 343 344/* 345 * Mesh Action code. 346 */ 347enum { 348 IEEE80211_ACTION_MESH_LMETRIC = 0, /* Mesh Link Metric Report */ 349 IEEE80211_ACTION_MESH_HWMP = 1, /* HWMP Mesh Path Selection */ 350 IEEE80211_ACTION_MESH_GANN = 2, /* Gate Announcement */ 351 IEEE80211_ACTION_MESH_CC = 3, /* Congestion Control */ 352 IEEE80211_ACTION_MESH_MCCA_SREQ = 4, /* MCCA Setup Request */ 353 IEEE80211_ACTION_MESH_MCCA_SREP = 5, /* MCCA Setup Reply */ 354 IEEE80211_ACTION_MESH_MCCA_AREQ = 6, /* MCCA Advertisement Req. */ 355 IEEE80211_ACTION_MESH_MCCA_ADVER =7, /* MCCA Advertisement */ 356 IEEE80211_ACTION_MESH_MCCA_TRDOWN = 8, /* MCCA Teardown */ 357 IEEE80211_ACTION_MESH_TBTT_REQ = 9, /* TBTT Adjustment Request */ 358 IEEE80211_ACTION_MESH_TBTT_RES = 10, /* TBTT Adjustment Response */ 359 /* 11-255 reserved */ 360}; 361 362/* 363 * Mesh Portal Annoucement Action codes. 364 */ 365enum { 366 IEEE80211_ACTION_MESHPANN = 0, 367 /* 1-255 reserved */ 368}; 369 370/* 371 * Different mesh control structures based on the AE 372 * (Address Extension) bits. 373 */ 374struct ieee80211_meshcntl { 375 uint8_t mc_flags; /* Address Extension 00 */ 376 uint8_t mc_ttl; /* TTL */ 377 uint8_t mc_seq[4]; /* Sequence No. */ 378 /* NB: more addresses may follow */ 379} __packed; 380 381struct ieee80211_meshcntl_ae01 { 382 uint8_t mc_flags; /* Address Extension 01 */ 383 uint8_t mc_ttl; /* TTL */ 384 uint8_t mc_seq[4]; /* Sequence No. */ 385 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 386} __packed; 387 388struct ieee80211_meshcntl_ae10 { 389 uint8_t mc_flags; /* Address Extension 10 */ 390 uint8_t mc_ttl; /* TTL */ 391 uint8_t mc_seq[4]; /* Sequence No. */ 392 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 393 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 394} __packed; 395 396struct ieee80211_meshcntl_ae11 { 397 uint8_t mc_flags; /* Address Extension 11 */ 398 uint8_t mc_ttl; /* TTL */ 399 uint8_t mc_seq[4]; /* Sequence No. */ 400 uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 401 uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 402 uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 403} __packed; 404 405#ifdef _KERNEL 406MALLOC_DECLARE(M_80211_MESH_PREQ); 407MALLOC_DECLARE(M_80211_MESH_PREP); 408MALLOC_DECLARE(M_80211_MESH_PERR); 409 410MALLOC_DECLARE(M_80211_MESH_RT); 411struct ieee80211_mesh_route { 412 TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 413 int rt_crtime; /* creation time */ 414 uint8_t rt_dest[IEEE80211_ADDR_LEN]; 415 uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 416 uint32_t rt_metric; /* path metric */ 417 uint16_t rt_nhops; /* number of hops */ 418 uint16_t rt_flags; 419#define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 420#define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 421 uint32_t rt_lifetime; 422 uint32_t rt_lastmseq; /* last seq# seen dest */ 423 void *rt_priv; /* private data */ 424}; 425#define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 426 427#define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 428/* 429 * Mesh Path Selection Protocol. 430 */ 431enum ieee80211_state; 432struct ieee80211_mesh_proto_path { 433 uint8_t mpp_active; 434 char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 435 uint8_t mpp_ie; 436 struct ieee80211_node * 437 (*mpp_discover)(struct ieee80211vap *, 438 const uint8_t [IEEE80211_ADDR_LEN], 439 struct mbuf *); 440 void (*mpp_peerdown)(struct ieee80211_node *); 441 void (*mpp_vattach)(struct ieee80211vap *); 442 void (*mpp_vdetach)(struct ieee80211vap *); 443 int (*mpp_newstate)(struct ieee80211vap *, 444 enum ieee80211_state, int); 445 const size_t mpp_privlen; /* size required in the routing table 446 for private data */ 447 int mpp_inact; /* inact. timeout for invalid routes 448 (ticks) */ 449}; 450 451/* 452 * Mesh Link Metric Report Protocol. 453 */ 454struct ieee80211_mesh_proto_metric { 455 uint8_t mpm_active; 456 char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 457 uint8_t mpm_ie; 458 uint32_t (*mpm_metric)(struct ieee80211_node *); 459}; 460 461#ifdef notyet 462/* 463 * Mesh Authentication Protocol. 464 */ 465struct ieee80211_mesh_proto_auth { 466 uint8_t mpa_ie[4]; 467}; 468 469struct ieee80211_mesh_proto_congestion { 470}; 471 472struct ieee80211_mesh_proto_sync { 473}; 474#endif 475 476typedef uint32_t ieee80211_mesh_seq; 477#define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 478#define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 479 480struct ieee80211_mesh_state { 481 int ms_idlen; 482 uint8_t ms_id[IEEE80211_MESHID_LEN]; 483 ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 484 uint16_t ms_neighbors; 485 uint8_t ms_ttl; /* mesh ttl set in packets */ 486#define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 487#define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 488#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 489 uint8_t ms_flags; 490 struct mtx ms_rt_lock; 491 struct callout ms_cleantimer; 492 TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 493 struct ieee80211_mesh_proto_metric *ms_pmetric; 494 struct ieee80211_mesh_proto_path *ms_ppath; 495}; 496void ieee80211_mesh_attach(struct ieee80211com *); 497void ieee80211_mesh_detach(struct ieee80211com *); 498 499struct ieee80211_mesh_route * 500 ieee80211_mesh_rt_find(struct ieee80211vap *, 501 const uint8_t [IEEE80211_ADDR_LEN]); 502struct ieee80211_mesh_route * 503 ieee80211_mesh_rt_add(struct ieee80211vap *, 504 const uint8_t [IEEE80211_ADDR_LEN]); 505void ieee80211_mesh_rt_del(struct ieee80211vap *, 506 const uint8_t [IEEE80211_ADDR_LEN]); 507void ieee80211_mesh_rt_flush(struct ieee80211vap *); 508void ieee80211_mesh_rt_flush_peer(struct ieee80211vap *, 509 const uint8_t [IEEE80211_ADDR_LEN]); 510void ieee80211_mesh_proxy_check(struct ieee80211vap *, 511 const uint8_t [IEEE80211_ADDR_LEN]); 512 513int ieee80211_mesh_register_proto_path(const 514 struct ieee80211_mesh_proto_path *); 515int ieee80211_mesh_register_proto_metric(const 516 struct ieee80211_mesh_proto_metric *); 517 518uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 519uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 520uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 521 uint16_t); 522uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint8_t, uint32_t); 523 524void ieee80211_mesh_node_init(struct ieee80211vap *, 525 struct ieee80211_node *); 526void ieee80211_mesh_node_cleanup(struct ieee80211_node *); 527void ieee80211_parse_meshid(struct ieee80211_node *, 528 const uint8_t *); 529struct ieee80211_scanparams; 530void ieee80211_mesh_init_neighbor(struct ieee80211_node *, 531 const struct ieee80211_frame *, 532 const struct ieee80211_scanparams *); 533void ieee80211_mesh_update_beacon(struct ieee80211vap *, 534 struct ieee80211_beacon_offsets *); 535 536/* 537 * Return non-zero if proxy operation is enabled. 538 */ 539static __inline int 540ieee80211_mesh_isproxyena(struct ieee80211vap *vap) 541{ 542 struct ieee80211_mesh_state *ms = vap->iv_mesh; 543 return (ms->ms_flags & 544 (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 545} 546 547/* 548 * Process an outbound frame: if a path is known to the 549 * destination then return a reference to the next hop 550 * for immediate transmission. Otherwise initiate path 551 * discovery and, if possible queue the packet to be 552 * sent when path discovery completes. 553 */ 554static __inline struct ieee80211_node * 555ieee80211_mesh_discover(struct ieee80211vap *vap, 556 const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 557{ 558 struct ieee80211_mesh_state *ms = vap->iv_mesh; 559 return ms->ms_ppath->mpp_discover(vap, dest, m); 560} 561 562#endif /* _KERNEL */ 563#endif /* !_NET80211_IEEE80211_MESH_H_ */ 564