ieee80211_mesh.h revision 231576
1195618Srpaulo/*- 2195618Srpaulo * Copyright (c) 2009 The FreeBSD Foundation 3195618Srpaulo * All rights reserved. 4195618Srpaulo * 5195618Srpaulo * This software was developed by Rui Paulo under sponsorship from the 6195618Srpaulo * FreeBSD Foundation. 7195618Srpaulo * 8195618Srpaulo * Redistribution and use in source and binary forms, with or without 9195618Srpaulo * modification, are permitted provided that the following conditions 10195618Srpaulo * are met: 11195618Srpaulo * 1. Redistributions of source code must retain the above copyright 12195618Srpaulo * notice, this list of conditions and the following disclaimer. 13195618Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 14195618Srpaulo * notice, this list of conditions and the following disclaimer in the 15195618Srpaulo * documentation and/or other materials provided with the distribution. 16195618Srpaulo * 17195618Srpaulo * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18195618Srpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19195618Srpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20195618Srpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21195618Srpaulo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22195618Srpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23195618Srpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24195618Srpaulo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25195618Srpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26195618Srpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27195618Srpaulo * SUCH DAMAGE. 28195618Srpaulo * 29195618Srpaulo * $FreeBSD: head/sys/net80211/ieee80211_mesh.h 231576 2012-02-13 07:47:36Z adrian $ 30195618Srpaulo */ 31195618Srpaulo#ifndef _NET80211_IEEE80211_MESH_H_ 32195618Srpaulo#define _NET80211_IEEE80211_MESH_H_ 33195618Srpaulo 34195618Srpaulo#define IEEE80211_MESH_DEFAULT_TTL 31 35195618Srpaulo 36195618Srpaulo/* 37197413Srpaulo * NB: all structures are __packed so sizeof works on arm, et. al. 38195618Srpaulo */ 39195618Srpaulo/* 40195618Srpaulo * 802.11s Information Elements. 41195618Srpaulo*/ 42195618Srpaulo/* Mesh Configuration */ 43231576Sadrian#define IEEE80211_MESH_CONF_SZ (7) 44195618Srpaulostruct ieee80211_meshconf_ie { 45195618Srpaulo uint8_t conf_ie; /* IEEE80211_ELEMID_MESHCONF */ 46195618Srpaulo uint8_t conf_len; 47197975Srpaulo uint8_t conf_pselid; /* Active Path Sel. Proto. ID */ 48197975Srpaulo uint8_t conf_pmetid; /* Active Metric Identifier */ 49197975Srpaulo uint8_t conf_ccid; /* Congestion Control Mode ID */ 50197975Srpaulo uint8_t conf_syncid; /* Sync. Protocol ID */ 51197975Srpaulo uint8_t conf_authid; /* Auth. Protocol ID */ 52195618Srpaulo uint8_t conf_form; /* Formation Information */ 53231576Sadrian uint8_t conf_cap; 54195618Srpaulo} __packed; 55195618Srpaulo 56195618Srpaulo/* Hybrid Wireless Mesh Protocol */ 57231576Sadrianenum { 58231576Sadrian /* 0 reserved */ 59231576Sadrian IEEE80211_MESHCONF_PATH_HWMP = 1, 60231576Sadrian /* 2-254 reserved */ 61231576Sadrian IEEE80211_MESHCONF_PATH_VENDOR = 255, 62231576Sadrian}; 63231576Sadrian 64195618Srpaulo/* Airtime Link Metric */ 65231576Sadrianenum { 66231576Sadrian /* 0 reserved */ 67231576Sadrian IEEE80211_MESHCONF_METRIC_AIRTIME = 1, 68231576Sadrian /* 2-254 reserved */ 69231576Sadrian IEEE80211_MESHCONF_METRIC_VENDOR = 255, 70231576Sadrian}; 71231576Sadrian 72197975Srpaulo/* Congestion Control */ 73231576Sadrianenum { 74231576Sadrian IEEE80211_MESHCONF_CC_DISABLED = 0, 75231576Sadrian IEEE80211_MESHCONF_CC_SIG = 1, 76231576Sadrian /* 2-254 reserved */ 77231576Sadrian IEEE80211_MESHCONF_CC_VENDOR = 255, 78231576Sadrian}; 79231576Sadrian 80195618Srpaulo/* Neighbour Offset */ 81231576Sadrianenum { 82231576Sadrian /* 0 reserved */ 83231576Sadrian IEEE80211_MESHCONF_SYNC_NEIGHOFF = 1, 84231576Sadrian /* 2-254 rserved */ 85231576Sadrian IEEE80211_MESHCONF_SYNC_VENDOR = 255, 86231576Sadrian}; 87231576Sadrian 88231576Sadrian/* Authentication Protocol Identifier */ 89231576Sadrianenum { 90231576Sadrian 91231576Sadrian IEEE80211_MESHCONF_AUTH_DISABLED = 0, 92231576Sadrian /* Simultaneous Authenticaction of Equals */ 93231576Sadrian IEEE80211_MESHCONF_AUTH_SEA = 1, 94231576Sadrian IEEE80211_MESHCONF_AUTH_8021X = 2, /* IEEE 802.1X */ 95231576Sadrian /* 3-254 reserved */ 96231576Sadrian IEEE80211_MESHCONF_AUTH_VENDOR = 255, 97231576Sadrian}; 98231576Sadrian 99231576Sadrian/* Mesh Formation Info */ 100231576Sadrian#define IEEE80211_MESHCONF_FORM_MP 0x01 /* Connected to Portal */ 101231576Sadrian#define IEEE80211_MESHCONF_FORM_NNEIGH_MASK 0x7E /* Number of Neighbours */ 102231576Sadrian#define IEEE80211_MESHCONF_FORM_SA 0xF0 /* indicating 802.1X auth */ 103231576Sadrian 104231576Sadrian/* Mesh Capability */ 105195618Srpaulo#define IEEE80211_MESHCONF_CAP_AP 0x01 /* Accepting Peers */ 106195618Srpaulo#define IEEE80211_MESHCONF_CAP_MCCAS 0x02 /* MCCA supported */ 107195618Srpaulo#define IEEE80211_MESHCONF_CAP_MCCAE 0x04 /* MCCA enabled */ 108195618Srpaulo#define IEEE80211_MESHCONF_CAP_FWRD 0x08 /* forwarding enabled */ 109195618Srpaulo#define IEEE80211_MESHCONF_CAP_BTR 0x10 /* Beacon Timing Report Enab */ 110231576Sadrian#define IEEE80211_MESHCONF_CAP_TBTT 0x20 /* TBTT Adjusting */ 111231576Sadrian#define IEEE80211_MESHCONF_CAP_PSL 0x40 /* Power Save Level */ 112231576Sadrian/* 0x80 reserved */ 113195618Srpaulo 114195618Srpaulo/* Mesh Identifier */ 115195618Srpaulostruct ieee80211_meshid_ie { 116195618Srpaulo uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ 117195618Srpaulo uint8_t id_len; 118195618Srpaulo} __packed; 119195618Srpaulo 120195618Srpaulo/* Link Metric Report */ 121195618Srpaulostruct ieee80211_meshlmetric_ie { 122195618Srpaulo uint8_t lm_ie; /* IEEE80211_ELEMID_MESHLINK */ 123195618Srpaulo uint8_t lm_len; 124195618Srpaulo uint32_t lm_metric; 125195618Srpaulo#define IEEE80211_MESHLMETRIC_INITIALVAL 0 126195618Srpaulo} __packed; 127195618Srpaulo 128195618Srpaulo/* Congestion Notification */ 129195618Srpaulostruct ieee80211_meshcngst_ie { 130195618Srpaulo uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ 131195618Srpaulo uint8_t cngst_len; 132195618Srpaulo uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, 133195618Srpaulo AC_BE, AC_VI, AC_VO */ 134195618Srpaulo} __packed; 135195618Srpaulo 136195618Srpaulo/* Peer Link Management */ 137195618Srpaulostruct ieee80211_meshpeer_ie { 138195618Srpaulo uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 139195618Srpaulo uint8_t peer_len; 140197413Srpaulo uint8_t peer_proto[4]; /* Peer Management Protocol */ 141195618Srpaulo uint16_t peer_llinkid; /* Local Link ID */ 142195618Srpaulo uint16_t peer_linkid; /* Peer Link ID */ 143195618Srpaulo uint16_t peer_rcode; 144195618Srpaulo} __packed; 145195618Srpaulo 146195618Srpauloenum { 147195618Srpaulo IEEE80211_MESH_PEER_LINK_OPEN = 0, 148195618Srpaulo IEEE80211_MESH_PEER_LINK_CONFIRM = 1, 149195618Srpaulo IEEE80211_MESH_PEER_LINK_CLOSE = 2, 150195618Srpaulo /* values 3-255 are reserved */ 151195618Srpaulo}; 152195618Srpaulo 153197413Srpaulo/* Mesh Peering Management Protocol */ 154197413Srpaulo#define IEEE80211_MESH_PEER_PROTO_OUI 0x00, 0x0f, 0xac 155197413Srpaulo#define IEEE80211_MESH_PEER_PROTO_VALUE 0x2a 156197413Srpaulo#define IEEE80211_MESH_PEER_PROTO { IEEE80211_MESH_PEER_PROTO_OUI, \ 157197413Srpaulo IEEE80211_MESH_PEER_PROTO_VALUE } 158197413Srpaulo/* Abbreviated Handshake Protocol */ 159197413Srpaulo#define IEEE80211_MESH_PEER_PROTO_AH_OUI 0x00, 0x0f, 0xac 160197413Srpaulo#define IEEE80211_MESH_PEER_PROTO_AH_VALUE 0x2b 161197413Srpaulo#define IEEE80211_MESH_PEER_PROTO_AH { IEEE80211_MESH_PEER_PROTO_AH_OUI, \ 162197413Srpaulo IEEE80211_MESH_PEER_PROTO_AH_VALUE } 163195618Srpaulo#ifdef notyet 164195618Srpaulo/* Mesh Channel Switch Annoucement */ 165195618Srpaulostruct ieee80211_meshcsa_ie { 166195618Srpaulo uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 167195618Srpaulo uint8_t csa_len; 168195618Srpaulo uint8_t csa_mode; 169195618Srpaulo uint8_t csa_newclass; /* New Regulatory Class */ 170195618Srpaulo uint8_t csa_newchan; 171195618Srpaulo uint8_t csa_precvalue; /* Precedence Value */ 172195618Srpaulo uint8_t csa_count; 173195618Srpaulo} __packed; 174195618Srpaulo 175195618Srpaulo/* Mesh TIM */ 176195618Srpaulo/* Equal to the non Mesh version */ 177195618Srpaulo 178195618Srpaulo/* Mesh Awake Window */ 179195618Srpaulostruct ieee80211_meshawakew_ie { 180195618Srpaulo uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 181195618Srpaulo uint8_t awakew_len; 182195618Srpaulo uint8_t awakew_windowlen; /* in TUs */ 183195618Srpaulo} __packed; 184195618Srpaulo 185195618Srpaulo/* Mesh Beacon Timing */ 186195618Srpaulostruct ieee80211_meshbeacont_ie { 187195618Srpaulo uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 188195618Srpaulo uint8_t beacont_len; 189195618Srpaulo struct { 190195618Srpaulo uint8_t mp_aid; /* Least Octet of AID */ 191195618Srpaulo uint16_t mp_btime; /* Beacon Time */ 192195618Srpaulo uint16_t mp_bint; /* Beacon Interval */ 193195618Srpaulo } __packed mp[1]; /* NB: variable size */ 194195618Srpaulo} __packed; 195195618Srpaulo#endif 196195618Srpaulo 197195618Srpaulo/* Portal (MP) Annoucement */ 198195618Srpaulostruct ieee80211_meshpann_ie { 199195618Srpaulo uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 200195618Srpaulo uint8_t pann_len; 201195618Srpaulo uint8_t pann_flags; 202195618Srpaulo uint8_t pann_hopcount; 203195618Srpaulo uint8_t pann_ttl; 204195618Srpaulo uint8_t pann_addr[IEEE80211_ADDR_LEN]; 205195618Srpaulo uint8_t pann_seq; /* PANN Sequence Number */ 206195618Srpaulo} __packed; 207195618Srpaulo 208195618Srpaulo/* Root (MP) Annoucement */ 209195618Srpaulostruct ieee80211_meshrann_ie { 210195618Srpaulo uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 211195618Srpaulo uint8_t rann_len; 212195618Srpaulo uint8_t rann_flags; 213195618Srpaulo#define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 214195618Srpaulo uint8_t rann_hopcount; 215195618Srpaulo uint8_t rann_ttl; 216195618Srpaulo uint8_t rann_addr[IEEE80211_ADDR_LEN]; 217195618Srpaulo uint32_t rann_seq; /* HWMP Sequence Number */ 218195618Srpaulo uint32_t rann_metric; 219195618Srpaulo} __packed; 220195618Srpaulo 221195618Srpaulo/* Mesh Path Request */ 222195618Srpaulostruct ieee80211_meshpreq_ie { 223195618Srpaulo uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 224195618Srpaulo uint8_t preq_len; 225195618Srpaulo uint8_t preq_flags; 226195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 227195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 228195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 229195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 230195618Srpaulo uint8_t preq_hopcount; 231195618Srpaulo uint8_t preq_ttl; 232195618Srpaulo uint32_t preq_id; 233195618Srpaulo uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 234195618Srpaulo uint32_t preq_origseq; /* HWMP Sequence Number */ 235195618Srpaulo /* NB: may have Originator Proxied Address */ 236195618Srpaulo uint32_t preq_lifetime; 237195618Srpaulo uint32_t preq_metric; 238195618Srpaulo uint8_t preq_tcount; /* target count */ 239195618Srpaulo struct { 240195618Srpaulo uint8_t target_flags; 241195618Srpaulo#define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 242195618Srpaulo#define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 243195618Srpaulo#define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 244195618Srpaulo uint8_t target_addr[IEEE80211_ADDR_LEN]; 245195618Srpaulo uint32_t target_seq; /* HWMP Sequence Number */ 246195618Srpaulo } __packed preq_targets[1]; /* NB: variable size */ 247195618Srpaulo} __packed; 248195618Srpaulo 249195618Srpaulo/* Mesh Path Reply */ 250195618Srpaulostruct ieee80211_meshprep_ie { 251195618Srpaulo uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 252195618Srpaulo uint8_t prep_len; 253195618Srpaulo uint8_t prep_flags; 254195618Srpaulo uint8_t prep_hopcount; 255195618Srpaulo uint8_t prep_ttl; 256195618Srpaulo uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 257195618Srpaulo uint32_t prep_targetseq; 258195618Srpaulo /* NB: May have Target Proxied Address */ 259195618Srpaulo uint32_t prep_lifetime; 260195618Srpaulo uint32_t prep_metric; 261195618Srpaulo uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 262195618Srpaulo uint32_t prep_origseq; /* HWMP Sequence Number */ 263195618Srpaulo} __packed; 264195618Srpaulo 265195618Srpaulo/* Mesh Path Error */ 266195618Srpaulostruct ieee80211_meshperr_ie { 267195618Srpaulo uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 268195618Srpaulo uint8_t perr_len; 269197413Srpaulo uint8_t perr_ttl; 270195618Srpaulo uint8_t perr_ndests; /* Number of Destinations */ 271195618Srpaulo struct { 272197413Srpaulo uint8_t dest_flags; 273197413Srpaulo#define IEEE80211_MESHPERR_DFLAGS_USN 0x01 274197413Srpaulo#define IEEE80211_MESHPERR_DFLAGS_RC 0x02 275195618Srpaulo uint8_t dest_addr[IEEE80211_ADDR_LEN]; 276195618Srpaulo uint32_t dest_seq; /* HWMP Sequence Number */ 277197413Srpaulo uint16_t dest_rcode; 278195618Srpaulo } __packed perr_dests[1]; /* NB: variable size */ 279195618Srpaulo} __packed; 280195618Srpaulo 281195618Srpaulo#ifdef notyet 282195618Srpaulo/* Mesh Proxy Update */ 283195618Srpaulostruct ieee80211_meshpu_ie { 284195618Srpaulo uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 285195618Srpaulo uint8_t pu_len; 286195618Srpaulo uint8_t pu_flags; 287195618Srpaulo#define IEEE80211_MESHPU_FLAGS_MASK 0x1 288195618Srpaulo#define IEEE80211_MESHPU_FLAGS_DEL 0x0 289195618Srpaulo#define IEEE80211_MESHPU_FLAGS_ADD 0x1 290195618Srpaulo uint8_t pu_seq; /* PU Sequence Number */ 291195618Srpaulo uint8_t pu_addr[IEEE80211_ADDR_LEN]; 292195618Srpaulo uint8_t pu_naddr; /* Number of Proxied Addresses */ 293195618Srpaulo /* NB: proxied address follows */ 294195618Srpaulo} __packed; 295195618Srpaulo 296195618Srpaulo/* Mesh Proxy Update Confirmation */ 297195618Srpaulostruct ieee80211_meshpuc_ie { 298195618Srpaulo uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 299195618Srpaulo uint8_t puc_len; 300195618Srpaulo uint8_t puc_flags; 301195618Srpaulo uint8_t puc_seq; /* PU Sequence Number */ 302195618Srpaulo uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 303195618Srpaulo} __packed; 304195618Srpaulo#endif 305195618Srpaulo 306195618Srpaulo/* 307195618Srpaulo * 802.11s Action Frames 308195618Srpaulo */ 309195618Srpaulo#define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ 310195618Srpaulo#define IEEE80211_ACTION_CAT_MESHLMETRIC 13 311195618Srpaulo#define IEEE80211_ACTION_CAT_MESHPATH 32 /* XXX Linux */ 312195618Srpaulo#define IEEE80211_ACTION_CAT_INTERWORK 15 313195618Srpaulo#define IEEE80211_ACTION_CAT_RESOURCE 16 314195618Srpaulo#define IEEE80211_ACTION_CAT_PROXY 17 315195618Srpaulo 316195618Srpaulo/* 317195618Srpaulo * Mesh Peering Action codes. 318195618Srpaulo */ 319195618Srpauloenum { 320195618Srpaulo IEEE80211_ACTION_MESHPEERING_OPEN = 0, 321195618Srpaulo IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, 322195618Srpaulo IEEE80211_ACTION_MESHPEERING_CLOSE = 2, 323195618Srpaulo /* 3-255 reserved */ 324195618Srpaulo}; 325195618Srpaulo 326195618Srpaulo/* 327197413Srpaulo * Mesh Path Selection Action code. 328195618Srpaulo */ 329195618Srpauloenum { 330197413Srpaulo IEEE80211_ACTION_MESHPATH_SEL = 0, 331197413Srpaulo /* 1-255 reserved */ 332195618Srpaulo}; 333195618Srpaulo 334195618Srpaulo/* 335195618Srpaulo * Mesh Link Metric Action codes. 336195618Srpaulo */ 337195618Srpauloenum { 338195618Srpaulo IEEE80211_ACTION_MESHLMETRIC_REQ = 0, /* Link Metric Request */ 339195618Srpaulo IEEE80211_ACTION_MESHLMETRIC_REP = 1, /* Link Metric Report */ 340195618Srpaulo /* 2-255 reserved */ 341195618Srpaulo}; 342195618Srpaulo 343195618Srpaulo/* 344195618Srpaulo * Mesh Portal Annoucement Action codes. 345195618Srpaulo */ 346195618Srpauloenum { 347195618Srpaulo IEEE80211_ACTION_MESHPANN = 0, 348195618Srpaulo /* 1-255 reserved */ 349195618Srpaulo}; 350195618Srpaulo 351195618Srpaulo/* 352195618Srpaulo * Different mesh control structures based on the AE 353195618Srpaulo * (Address Extension) bits. 354195618Srpaulo */ 355195618Srpaulostruct ieee80211_meshcntl { 356195618Srpaulo uint8_t mc_flags; /* Address Extension 00 */ 357195618Srpaulo uint8_t mc_ttl; /* TTL */ 358195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 359195618Srpaulo /* NB: more addresses may follow */ 360195618Srpaulo} __packed; 361195618Srpaulo 362195618Srpaulostruct ieee80211_meshcntl_ae01 { 363195618Srpaulo uint8_t mc_flags; /* Address Extension 01 */ 364195618Srpaulo uint8_t mc_ttl; /* TTL */ 365195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 366195618Srpaulo uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 367195618Srpaulo} __packed; 368195618Srpaulo 369195618Srpaulostruct ieee80211_meshcntl_ae10 { 370195618Srpaulo uint8_t mc_flags; /* Address Extension 10 */ 371195618Srpaulo uint8_t mc_ttl; /* TTL */ 372195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 373195784Srpaulo uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 374195618Srpaulo uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 375195618Srpaulo} __packed; 376195618Srpaulo 377195618Srpaulostruct ieee80211_meshcntl_ae11 { 378195618Srpaulo uint8_t mc_flags; /* Address Extension 11 */ 379195618Srpaulo uint8_t mc_ttl; /* TTL */ 380195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 381195618Srpaulo uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 382195618Srpaulo uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 383195618Srpaulo uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 384195618Srpaulo} __packed; 385195618Srpaulo 386195618Srpaulo#ifdef _KERNEL 387195618SrpauloMALLOC_DECLARE(M_80211_MESH_RT); 388195618Srpaulostruct ieee80211_mesh_route { 389195618Srpaulo TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 390195813Ssam int rt_crtime; /* creation time */ 391195618Srpaulo uint8_t rt_dest[IEEE80211_ADDR_LEN]; 392195618Srpaulo uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 393195618Srpaulo uint32_t rt_metric; /* path metric */ 394195618Srpaulo uint16_t rt_nhops; /* number of hops */ 395195784Srpaulo uint16_t rt_flags; 396195784Srpaulo#define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 397195784Srpaulo#define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 398195618Srpaulo uint32_t rt_lifetime; 399195618Srpaulo uint32_t rt_lastmseq; /* last seq# seen dest */ 400195618Srpaulo void *rt_priv; /* private data */ 401195618Srpaulo}; 402195618Srpaulo#define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 403195618Srpaulo 404195618Srpaulo#define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 405195618Srpaulo/* 406195618Srpaulo * Mesh Path Selection Protocol. 407195618Srpaulo */ 408195618Srpauloenum ieee80211_state; 409195618Srpaulostruct ieee80211_mesh_proto_path { 410197975Srpaulo uint8_t mpp_active; 411195618Srpaulo char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 412197975Srpaulo uint8_t mpp_ie; 413195618Srpaulo struct ieee80211_node * 414195618Srpaulo (*mpp_discover)(struct ieee80211vap *, 415195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN], 416195618Srpaulo struct mbuf *); 417195618Srpaulo void (*mpp_peerdown)(struct ieee80211_node *); 418195618Srpaulo void (*mpp_vattach)(struct ieee80211vap *); 419195618Srpaulo void (*mpp_vdetach)(struct ieee80211vap *); 420195618Srpaulo int (*mpp_newstate)(struct ieee80211vap *, 421195618Srpaulo enum ieee80211_state, int); 422195784Srpaulo const size_t mpp_privlen; /* size required in the routing table 423195618Srpaulo for private data */ 424195813Ssam int mpp_inact; /* inact. timeout for invalid routes 425195813Ssam (ticks) */ 426195618Srpaulo}; 427195618Srpaulo 428195618Srpaulo/* 429195618Srpaulo * Mesh Link Metric Report Protocol. 430195618Srpaulo */ 431195618Srpaulostruct ieee80211_mesh_proto_metric { 432197975Srpaulo uint8_t mpm_active; 433195618Srpaulo char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 434197975Srpaulo uint8_t mpm_ie; 435195618Srpaulo uint32_t (*mpm_metric)(struct ieee80211_node *); 436195618Srpaulo}; 437195618Srpaulo 438195618Srpaulo#ifdef notyet 439195618Srpaulo/* 440195618Srpaulo * Mesh Authentication Protocol. 441195618Srpaulo */ 442195618Srpaulostruct ieee80211_mesh_proto_auth { 443195618Srpaulo uint8_t mpa_ie[4]; 444195618Srpaulo}; 445195618Srpaulo 446195618Srpaulostruct ieee80211_mesh_proto_congestion { 447195618Srpaulo}; 448195618Srpaulo 449195618Srpaulostruct ieee80211_mesh_proto_sync { 450195618Srpaulo}; 451195618Srpaulo#endif 452195618Srpaulo 453195618Srpaulotypedef uint32_t ieee80211_mesh_seq; 454195618Srpaulo#define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 455195618Srpaulo#define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 456195618Srpaulo 457195618Srpaulostruct ieee80211_mesh_state { 458195618Srpaulo int ms_idlen; 459195618Srpaulo uint8_t ms_id[IEEE80211_MESHID_LEN]; 460195618Srpaulo ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 461195618Srpaulo uint16_t ms_neighbors; 462195618Srpaulo uint8_t ms_ttl; /* mesh ttl set in packets */ 463195618Srpaulo#define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 464195618Srpaulo#define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 465195618Srpaulo#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 466195618Srpaulo uint8_t ms_flags; 467195618Srpaulo struct mtx ms_rt_lock; 468195784Srpaulo struct callout ms_cleantimer; 469195618Srpaulo TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 470195618Srpaulo struct ieee80211_mesh_proto_metric *ms_pmetric; 471195618Srpaulo struct ieee80211_mesh_proto_path *ms_ppath; 472195618Srpaulo}; 473195618Srpaulovoid ieee80211_mesh_attach(struct ieee80211com *); 474195618Srpaulovoid ieee80211_mesh_detach(struct ieee80211com *); 475195618Srpaulo 476195618Srpaulostruct ieee80211_mesh_route * 477195618Srpaulo ieee80211_mesh_rt_find(struct ieee80211vap *, 478195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 479195618Srpaulostruct ieee80211_mesh_route * 480195618Srpaulo ieee80211_mesh_rt_add(struct ieee80211vap *, 481195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 482195618Srpaulovoid ieee80211_mesh_rt_del(struct ieee80211vap *, 483195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 484195618Srpaulovoid ieee80211_mesh_rt_flush(struct ieee80211vap *); 485195908Srpaulovoid ieee80211_mesh_rt_flush_peer(struct ieee80211vap *, 486195908Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 487195784Srpaulovoid ieee80211_mesh_proxy_check(struct ieee80211vap *, 488195784Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 489195618Srpaulo 490195618Srpauloint ieee80211_mesh_register_proto_path(const 491195618Srpaulo struct ieee80211_mesh_proto_path *); 492195618Srpauloint ieee80211_mesh_register_proto_metric(const 493195618Srpaulo struct ieee80211_mesh_proto_metric *); 494195618Srpaulo 495195618Srpaulouint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 496195618Srpaulouint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 497195618Srpaulouint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 498195618Srpaulo uint16_t); 499195618Srpaulouint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); 500195618Srpaulo 501195618Srpaulovoid ieee80211_mesh_node_init(struct ieee80211vap *, 502195618Srpaulo struct ieee80211_node *); 503195618Srpaulovoid ieee80211_mesh_node_cleanup(struct ieee80211_node *); 504195618Srpaulovoid ieee80211_parse_meshid(struct ieee80211_node *, 505195618Srpaulo const uint8_t *); 506195618Srpaulostruct ieee80211_scanparams; 507195618Srpaulovoid ieee80211_mesh_init_neighbor(struct ieee80211_node *, 508195618Srpaulo const struct ieee80211_frame *, 509195618Srpaulo const struct ieee80211_scanparams *); 510198242Srpaulovoid ieee80211_mesh_update_beacon(struct ieee80211vap *, 511198242Srpaulo struct ieee80211_beacon_offsets *); 512195618Srpaulo 513195784Srpaulo/* 514195784Srpaulo * Return non-zero if proxy operation is enabled. 515195784Srpaulo */ 516195784Srpaulostatic __inline int 517195784Srpauloieee80211_mesh_isproxyena(struct ieee80211vap *vap) 518195784Srpaulo{ 519195784Srpaulo struct ieee80211_mesh_state *ms = vap->iv_mesh; 520195784Srpaulo return (ms->ms_flags & 521195784Srpaulo (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 522195784Srpaulo} 523195784Srpaulo 524195784Srpaulo/* 525195784Srpaulo * Process an outbound frame: if a path is known to the 526195784Srpaulo * destination then return a reference to the next hop 527195784Srpaulo * for immediate transmission. Otherwise initiate path 528195784Srpaulo * discovery and, if possible queue the packet to be 529195784Srpaulo * sent when path discovery completes. 530195784Srpaulo */ 531195618Srpaulostatic __inline struct ieee80211_node * 532195784Srpauloieee80211_mesh_discover(struct ieee80211vap *vap, 533195618Srpaulo const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 534195618Srpaulo{ 535195618Srpaulo struct ieee80211_mesh_state *ms = vap->iv_mesh; 536195618Srpaulo return ms->ms_ppath->mpp_discover(vap, dest, m); 537195618Srpaulo} 538195618Srpaulo 539195618Srpaulo#endif /* _KERNEL */ 540195618Srpaulo#endif /* !_NET80211_IEEE80211_MESH_H_ */ 541