ieee80211_mesh.h revision 195813
157109Speter/*- 222514Sdarrenr * Copyright (c) 2009 The FreeBSD Foundation 322514Sdarrenr * All rights reserved. 422514Sdarrenr * 522514Sdarrenr * This software was developed by Rui Paulo under sponsorship from the 631183Speter * FreeBSD Foundation. 737078Speter * 831183Speter * Redistribution and use in source and binary forms, with or without 922514Sdarrenr * modification, are permitted provided that the following conditions 1022514Sdarrenr * are met: 1122514Sdarrenr * 1. Redistributions of source code must retain the above copyright 1222514Sdarrenr * notice, this list of conditions and the following disclaimer. 1322514Sdarrenr * 2. Redistributions in binary form must reproduce the above copyright 1422514Sdarrenr * notice, this list of conditions and the following disclaimer in the 1567618Sdarrenr * documentation and/or other materials provided with the distribution. 1667618Sdarrenr * 1722514Sdarrenr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1822514Sdarrenr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1922514Sdarrenr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2022514Sdarrenr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2122514Sdarrenr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2222514Sdarrenr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2367618Sdarrenr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2467618Sdarrenr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2567618Sdarrenr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2667618Sdarrenr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2767618Sdarrenr * SUCH DAMAGE. 2867618Sdarrenr * 2957109Speter * $FreeBSD: head/sys/net80211/ieee80211_mesh.h 195813 2009-07-21 19:38:22Z sam $ 3057109Speter */ 3167618Sdarrenr#ifndef _NET80211_IEEE80211_MESH_H_ 3222514Sdarrenr#define _NET80211_IEEE80211_MESH_H_ 3357109Speter 3457109Speter#define IEEE80211_MESH_DEFAULT_TTL 31 3557109Speter 3657109Speter/* 3767618Sdarrenr * NB: all structures are__packed so sizeof works on arm, et. al. 3867618Sdarrenr */ 39145519Sdarrenr/* 40145519Sdarrenr * 802.11s Information Elements. 4167618Sdarrenr*/ 4222514Sdarrenr/* Mesh Configuration */ 4322514Sdarrenrstruct ieee80211_meshconf_ie { 4422514Sdarrenr uint8_t conf_ie; /* IEEE80211_ELEMID_MESHCONF */ 4522514Sdarrenr uint8_t conf_len; 4622514Sdarrenr uint8_t conf_ver; 4722514Sdarrenr uint8_t conf_pselid[4]; /* Active Path Sel. Proto. ID */ 4822514Sdarrenr uint8_t conf_pmetid[4]; /* APS Metric Identifier */ 4922514Sdarrenr uint8_t conf_ccid[4]; /* Congestion Control Mode ID */ 5022514Sdarrenr uint8_t conf_syncid[4]; /* Sync. Protocol ID */ 5122514Sdarrenr uint8_t conf_authid[4]; /* Auth. Protocol ID */ 5222514Sdarrenr uint8_t conf_form; /* Formation Information */ 5322514Sdarrenr uint8_t conf_cap; 5422514Sdarrenr} __packed; 5522514Sdarrenr 5622514Sdarrenr#define IEEE80211_MESHCONF_VERSION 1 5722514Sdarrenr/* Null Protocol */ 5831183Speter#define IEEE80211_MESHCONF_NULL_OUI 0x00, 0x0f, 0xac 5957109Speter#define IEEE80211_MESHCONF_NULL_VALUE 0xff 6031183Speter#define IEEE80211_MESHCONF_NULL { IEEE80211_MESHCONF_NULL_OUI, \ 6131183Speter IEEE80211_MESHCONF_NULL_VALUE } 6257109Speter/* Hybrid Wireless Mesh Protocol */ 63369273Scy#define IEEE80211_MESHCONF_HWMP_OUI 0x00, 0x0f, 0xac 6457109Speter#define IEEE80211_MESHCONF_HWMP_VALUE 0x00 6557109Speter#define IEEE80211_MESHCONF_HWMP { IEEE80211_MESHCONF_HWMP_OUI, \ 6622514Sdarrenr IEEE80211_MESHCONF_HWMP_VALUE } 6731183Speter/* Airtime Link Metric */ 6831183Speter#define IEEE80211_MESHCONF_AIRTIME_OUI 0x00, 0x0f, 0xac 6931183Speter#define IEEE80211_MESHCONF_AIRTIME_VALUE 0x00 7057109Speter#define IEEE80211_MESHCONF_AIRTIME { IEEE80211_MESHCONF_AIRTIME_OUI, \ 7157109Speter IEEE80211_MESHCONF_AIRTIME_VALUE } 7231183Speter/* Congestion Control Signaling */ 7322514Sdarrenr#define IEEE80211_MESHCONF_CCSIG_OUI 0x00, 0x0f, 0xac 7422514Sdarrenr#define IEEE80211_MESHCONF_CCSIG_VALUE 0x00 7522514Sdarrenr#define IEEE80211_MESHCONF_CCSIG { IEEE80211_MESHCONF_CCSIG_OUI,\ 7657109Speter IEEE80211_MESHCONF_CCSIG_VALUE } 7722514Sdarrenr/* Neighbour Offset */ 7822514Sdarrenr#define IEEE80211_MESHCONF_NEIGHOFF_OUI 0x00, 0x0f, 0xac 7922514Sdarrenr#define IEEE80211_MESHCONF_NEIGHOFF_VALUE 0x00 8022514Sdarrenr#define IEEE80211_MESHCONF_NEIGHOFF { IEEE80211_MESHCONF_NEIGHOFF_OUI, \ 8122514Sdarrenr IEEE80211_MESHCONF_NEIGHOFF_VALUE } 8222514Sdarrenr/* Simultaneous Authenticaction of Equals */ 8322514Sdarrenr#define IEEE80211_MESHCONF_SAE_OUI 0x00, 0x0f, 0xac 8422514Sdarrenr#define IEEE80211_MESHCONF_SAE_VALUE 0x01 85255332Scy#define IEEE80211_MESHCONF_SAE { IEEE80211_MESHCONF_SAE_OUI, \ 8622514Sdarrenr IEEE80211_MESHCONF_SAE_VALUE } 8722514Sdarrenr#define IEEE80211_MESHCONF_FORM_MP 0x01 /* Connected to Portal */ 88255332Scy#define IEEE80211_MESHCONF_FORM_NNEIGH_MASK 0x04 /* Number of Neighbours */ 8922514Sdarrenr#define IEEE80211_MESHCONF_CAP_AP 0x01 /* Accepting Peers */ 9057109Speter#define IEEE80211_MESHCONF_CAP_MCCAS 0x02 /* MCCA supported */ 9157109Speter#define IEEE80211_MESHCONF_CAP_MCCAE 0x04 /* MCCA enabled */ 9257109Speter#define IEEE80211_MESHCONF_CAP_FWRD 0x08 /* forwarding enabled */ 93369245Sgit2svn#define IEEE80211_MESHCONF_CAP_BTR 0x10 /* Beacon Timing Report Enab */ 9422514Sdarrenr#define IEEE80211_MESHCONF_CAP_TBTTA 0x20 /* TBTT Adj. Enabled */ 9522514Sdarrenr#define IEEE80211_MESHCONF_CAP_PSL 0x40 /* Power Save Level */ 96369273Scy 9757109Speter/* Mesh Identifier */ 98255332Scystruct ieee80211_meshid_ie { 9922514Sdarrenr uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ 10022514Sdarrenr uint8_t id_len; 10122514Sdarrenr} __packed; 10222514Sdarrenr 10322514Sdarrenr/* Link Metric Report */ 10422514Sdarrenrstruct ieee80211_meshlmetric_ie { 10522514Sdarrenr uint8_t lm_ie; /* IEEE80211_ELEMID_MESHLINK */ 10622514Sdarrenr uint8_t lm_len; 10722514Sdarrenr uint32_t lm_metric; 10822514Sdarrenr#define IEEE80211_MESHLMETRIC_INITIALVAL 0 10967618Sdarrenr} __packed; 11022514Sdarrenr 11122514Sdarrenr/* Congestion Notification */ 11231183Speterstruct ieee80211_meshcngst_ie { 11331183Speter uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ 11431183Speter uint8_t cngst_len; 11531183Speter uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, 11631183Speter AC_BE, AC_VI, AC_VO */ 11757109Speter} __packed; 11857109Speter 11931183Speter/* Peer Version */ 12031183Speterstruct ieee80211_meshpeerver_ie { 12131183Speter uint8_t peerver_ie; /* IEEE80211_ELEMID_MESHPEERVER */ 12257109Speter uint8_t peerver_len; 12357109Speter uint8_t peerver_proto[4]; 124145519Sdarrenr} __packed; 12531183Speter/* Mesh Peering Management Protocol */ 12631183Speter#define IEEE80211_MESHPEERVER_PEER_OUI 0x00, 0x0f, 0xac 12731183Speter#define IEEE80211_MESHPEERVER_PEER_VALUE 0x2a 12831183Speter#define IEEE80211_MESHPEERVER_PEER { IEEE80211_MESHPEERVER_PEER_OUI, \ 12931183Speter IEEE80211_MESHPEERVER_PEER_VALUE } 13031183Speter/* Abbreviated Handshake Protocol */ 13131183Speter#define IEEE80211_MESHPEERVER_AH_OUI 0x00, 0x0f, 0xac 13231183Speter#define IEEE80211_MESHPEERVER_AH_VALUE 0x2b 13331183Speter#define IEEE80211_MESHPEERVER_AH { IEEE80211_MESHPEERVER_AH_OUI, \ 13431183Speter IEEE80211_MESHPEERVER_AH_VALUE } 13531183Speter 13631183Speter/* Peer Link Management */ 13731183Speterstruct ieee80211_meshpeer_ie { 138255332Scy uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 13922514Sdarrenr uint8_t peer_len; 14022514Sdarrenr uint8_t peer_subtype; 14122514Sdarrenr uint16_t peer_llinkid; /* Local Link ID */ 14222514Sdarrenr uint16_t peer_linkid; /* Peer Link ID */ 14322514Sdarrenr uint16_t peer_rcode; 14422514Sdarrenr} __packed; 14522514Sdarrenr 14622514Sdarrenrenum { 14722514Sdarrenr IEEE80211_MESH_PEER_LINK_OPEN = 0, 14822514Sdarrenr IEEE80211_MESH_PEER_LINK_CONFIRM = 1, 14922514Sdarrenr IEEE80211_MESH_PEER_LINK_CLOSE = 2, 15022514Sdarrenr /* values 3-255 are reserved */ 15122514Sdarrenr}; 15222514Sdarrenr 15322514Sdarrenr#ifdef notyet 15422514Sdarrenr/* Mesh Channel Switch Annoucement */ 15522514Sdarrenrstruct ieee80211_meshcsa_ie { 15622514Sdarrenr uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 15722514Sdarrenr uint8_t csa_len; 15822514Sdarrenr uint8_t csa_mode; 15957109Speter uint8_t csa_newclass; /* New Regulatory Class */ 16057109Speter uint8_t csa_newchan; 16157109Speter uint8_t csa_precvalue; /* Precedence Value */ 16222514Sdarrenr uint8_t csa_count; 16357109Speter} __packed; 16436753Sjkoshy 16522514Sdarrenr/* Mesh TIM */ 16622514Sdarrenr/* Equal to the non Mesh version */ 16722514Sdarrenr 16822514Sdarrenr/* Mesh Awake Window */ 16922514Sdarrenrstruct ieee80211_meshawakew_ie { 17022514Sdarrenr uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 17122514Sdarrenr uint8_t awakew_len; 17222514Sdarrenr uint8_t awakew_windowlen; /* in TUs */ 17331183Speter} __packed; 17431183Speter 17531183Speter/* Mesh Beacon Timing */ 17631183Speterstruct ieee80211_meshbeacont_ie { 17722514Sdarrenr uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 17822514Sdarrenr uint8_t beacont_len; 17922514Sdarrenr struct { 18022514Sdarrenr uint8_t mp_aid; /* Least Octet of AID */ 18157109Speter uint16_t mp_btime; /* Beacon Time */ 18222514Sdarrenr uint16_t mp_bint; /* Beacon Interval */ 18322514Sdarrenr } __packed mp[1]; /* NB: variable size */ 18422514Sdarrenr} __packed; 18522514Sdarrenr#endif 18622514Sdarrenr 18722514Sdarrenr/* Portal (MP) Annoucement */ 18822514Sdarrenrstruct ieee80211_meshpann_ie { 18931183Speter uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 19031183Speter uint8_t pann_len; 19131183Speter uint8_t pann_flags; 19231183Speter uint8_t pann_hopcount; 19331183Speter uint8_t pann_ttl; 19431183Speter uint8_t pann_addr[IEEE80211_ADDR_LEN]; 19531183Speter uint8_t pann_seq; /* PANN Sequence Number */ 19657109Speter} __packed; 19757109Speter 19857109Speter/* Root (MP) Annoucement */ 19957109Speterstruct ieee80211_meshrann_ie { 20057109Speter uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 20157109Speter uint8_t rann_len; 20222514Sdarrenr uint8_t rann_flags; 20322514Sdarrenr#define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 20422514Sdarrenr uint8_t rann_hopcount; 20522514Sdarrenr uint8_t rann_ttl; 20622514Sdarrenr uint8_t rann_addr[IEEE80211_ADDR_LEN]; 20722514Sdarrenr uint32_t rann_seq; /* HWMP Sequence Number */ 20822514Sdarrenr uint32_t rann_metric; 20922514Sdarrenr} __packed; 21022514Sdarrenr 21122514Sdarrenr/* Mesh Path Request */ 21222514Sdarrenrstruct ieee80211_meshpreq_ie { 21322514Sdarrenr uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 21422514Sdarrenr uint8_t preq_len; 21522514Sdarrenr uint8_t preq_flags; 21622514Sdarrenr#define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 21722514Sdarrenr#define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 21822514Sdarrenr#define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 21922514Sdarrenr#define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 22022514Sdarrenr uint8_t preq_hopcount; 22131183Speter uint8_t preq_ttl; 22222514Sdarrenr uint32_t preq_id; 22357109Speter uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 22457109Speter uint32_t preq_origseq; /* HWMP Sequence Number */ 22522514Sdarrenr /* NB: may have Originator Proxied Address */ 22622514Sdarrenr uint32_t preq_lifetime; 22722514Sdarrenr uint32_t preq_metric; 22822514Sdarrenr uint8_t preq_tcount; /* target count */ 22922514Sdarrenr struct { 23022514Sdarrenr uint8_t target_flags; 23157109Speter#define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 23257109Speter#define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 23357109Speter#define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 23457109Speter uint8_t target_addr[IEEE80211_ADDR_LEN]; 23557109Speter uint32_t target_seq; /* HWMP Sequence Number */ 23657109Speter } __packed preq_targets[1]; /* NB: variable size */ 23757109Speter} __packed; 23857109Speter 23957109Speter/* Mesh Path Reply */ 24057109Speterstruct ieee80211_meshprep_ie { 24157109Speter uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 24257109Speter uint8_t prep_len; 24357109Speter uint8_t prep_flags; 24457109Speter uint8_t prep_hopcount; 24537078Speter uint8_t prep_ttl; 24637078Speter uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 24737078Speter uint32_t prep_targetseq; 24837078Speter /* NB: May have Target Proxied Address */ 24937078Speter uint32_t prep_lifetime; 25037078Speter uint32_t prep_metric; 25137078Speter uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 25237078Speter uint32_t prep_origseq; /* HWMP Sequence Number */ 25322514Sdarrenr} __packed; 25437078Speter 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 int 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 int mpp_inact; /* inact. timeout for invalid routes 413 (ticks) */ 414}; 415 416/* 417 * Mesh Link Metric Report Protocol. 418 */ 419struct ieee80211_mesh_proto_metric { 420 char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 421 uint8_t mpm_ie[4]; 422 uint32_t (*mpm_metric)(struct ieee80211_node *); 423}; 424 425#ifdef notyet 426/* 427 * Mesh Authentication Protocol. 428 */ 429struct ieee80211_mesh_proto_auth { 430 uint8_t mpa_ie[4]; 431}; 432 433struct ieee80211_mesh_proto_congestion { 434}; 435 436struct ieee80211_mesh_proto_sync { 437}; 438#endif 439 440typedef uint32_t ieee80211_mesh_seq; 441#define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 442#define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 443 444struct ieee80211_mesh_state { 445 int ms_idlen; 446 uint8_t ms_id[IEEE80211_MESHID_LEN]; 447 ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 448 uint16_t ms_neighbors; 449 uint8_t ms_ttl; /* mesh ttl set in packets */ 450#define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 451#define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 452#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 453 uint8_t ms_flags; 454 struct mtx ms_rt_lock; 455 struct callout ms_cleantimer; 456 TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 457 struct ieee80211_mesh_proto_metric *ms_pmetric; 458 struct ieee80211_mesh_proto_path *ms_ppath; 459}; 460void ieee80211_mesh_attach(struct ieee80211com *); 461void ieee80211_mesh_detach(struct ieee80211com *); 462 463struct ieee80211_mesh_route * 464 ieee80211_mesh_rt_find(struct ieee80211vap *, 465 const uint8_t [IEEE80211_ADDR_LEN]); 466struct ieee80211_mesh_route * 467 ieee80211_mesh_rt_add(struct ieee80211vap *, 468 const uint8_t [IEEE80211_ADDR_LEN]); 469void ieee80211_mesh_rt_del(struct ieee80211vap *, 470 const uint8_t [IEEE80211_ADDR_LEN]); 471void ieee80211_mesh_rt_flush(struct ieee80211vap *); 472void ieee80211_mesh_proxy_check(struct ieee80211vap *, 473 const uint8_t [IEEE80211_ADDR_LEN]); 474 475int ieee80211_mesh_register_proto_path(const 476 struct ieee80211_mesh_proto_path *); 477int ieee80211_mesh_register_proto_metric(const 478 struct ieee80211_mesh_proto_metric *); 479 480uint8_t * ieee80211_add_meshpeerver(uint8_t *, struct ieee80211vap *); 481uint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 482uint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 483uint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 484 uint16_t); 485uint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); 486 487void ieee80211_mesh_node_init(struct ieee80211vap *, 488 struct ieee80211_node *); 489void ieee80211_mesh_node_cleanup(struct ieee80211_node *); 490void ieee80211_parse_meshid(struct ieee80211_node *, 491 const uint8_t *); 492struct ieee80211_scanparams; 493void ieee80211_mesh_init_neighbor(struct ieee80211_node *, 494 const struct ieee80211_frame *, 495 const struct ieee80211_scanparams *); 496 497/* 498 * Return non-zero if proxy operation is enabled. 499 */ 500static __inline int 501ieee80211_mesh_isproxyena(struct ieee80211vap *vap) 502{ 503 struct ieee80211_mesh_state *ms = vap->iv_mesh; 504 return (ms->ms_flags & 505 (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 506} 507 508/* 509 * Process an outbound frame: if a path is known to the 510 * destination then return a reference to the next hop 511 * for immediate transmission. Otherwise initiate path 512 * discovery and, if possible queue the packet to be 513 * sent when path discovery completes. 514 */ 515static __inline struct ieee80211_node * 516ieee80211_mesh_discover(struct ieee80211vap *vap, 517 const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 518{ 519 struct ieee80211_mesh_state *ms = vap->iv_mesh; 520 return ms->ms_ppath->mpp_discover(vap, dest, m); 521} 522 523#endif /* _KERNEL */ 524#endif /* !_NET80211_IEEE80211_MESH_H_ */ 525