ieee80211_mesh.h revision 195784
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 195784 2009-07-20 19:12:08Z rpaulo $ 30195618Srpaulo */ 31195618Srpaulo#ifndef _NET80211_IEEE80211_MESH_H_ 32195618Srpaulo#define _NET80211_IEEE80211_MESH_H_ 33195618Srpaulo 34195618Srpaulo#define IEEE80211_MESH_DEFAULT_TTL 31 35195618Srpaulo 36195618Srpaulo/* 37195618Srpaulo * NB: all structures are__packed so sizeof works on arm, et. al. 38195618Srpaulo */ 39195618Srpaulo/* 40195618Srpaulo * 802.11s Information Elements. 41195618Srpaulo*/ 42195618Srpaulo/* Mesh Configuration */ 43195618Srpaulostruct ieee80211_meshconf_ie { 44195618Srpaulo uint8_t conf_ie; /* IEEE80211_ELEMID_MESHCONF */ 45195618Srpaulo uint8_t conf_len; 46195618Srpaulo uint8_t conf_ver; 47195618Srpaulo uint8_t conf_pselid[4]; /* Active Path Sel. Proto. ID */ 48195618Srpaulo uint8_t conf_pmetid[4]; /* APS Metric Identifier */ 49195618Srpaulo uint8_t conf_ccid[4]; /* Congestion Control Mode ID */ 50195618Srpaulo uint8_t conf_syncid[4]; /* Sync. Protocol ID */ 51195618Srpaulo uint8_t conf_authid[4]; /* Auth. Protocol ID */ 52195618Srpaulo uint8_t conf_form; /* Formation Information */ 53195618Srpaulo uint8_t conf_cap; 54195618Srpaulo} __packed; 55195618Srpaulo 56195618Srpaulo#define IEEE80211_MESHCONF_VERSION 1 57195618Srpaulo/* Null Protocol */ 58195618Srpaulo#define IEEE80211_MESHCONF_NULL_OUI 0x00, 0x0f, 0xac 59195618Srpaulo#define IEEE80211_MESHCONF_NULL_VALUE 0xff 60195618Srpaulo#define IEEE80211_MESHCONF_NULL { IEEE80211_MESHCONF_NULL_OUI, \ 61195618Srpaulo IEEE80211_MESHCONF_NULL_VALUE } 62195618Srpaulo/* Hybrid Wireless Mesh Protocol */ 63195618Srpaulo#define IEEE80211_MESHCONF_HWMP_OUI 0x00, 0x0f, 0xac 64195618Srpaulo#define IEEE80211_MESHCONF_HWMP_VALUE 0x00 65195618Srpaulo#define IEEE80211_MESHCONF_HWMP { IEEE80211_MESHCONF_HWMP_OUI, \ 66195618Srpaulo IEEE80211_MESHCONF_HWMP_VALUE } 67195618Srpaulo/* Airtime Link Metric */ 68195618Srpaulo#define IEEE80211_MESHCONF_AIRTIME_OUI 0x00, 0x0f, 0xac 69195618Srpaulo#define IEEE80211_MESHCONF_AIRTIME_VALUE 0x00 70195618Srpaulo#define IEEE80211_MESHCONF_AIRTIME { IEEE80211_MESHCONF_AIRTIME_OUI, \ 71195618Srpaulo IEEE80211_MESHCONF_AIRTIME_VALUE } 72195618Srpaulo/* Congestion Control Signaling */ 73195618Srpaulo#define IEEE80211_MESHCONF_CCSIG_OUI 0x00, 0x0f, 0xac 74195618Srpaulo#define IEEE80211_MESHCONF_CCSIG_VALUE 0x00 75195618Srpaulo#define IEEE80211_MESHCONF_CCSIG { IEEE80211_MESHCONF_CCSIG_OUI,\ 76195618Srpaulo IEEE80211_MESHCONF_CCSIG_VALUE } 77195618Srpaulo/* Neighbour Offset */ 78195618Srpaulo#define IEEE80211_MESHCONF_NEIGHOFF_OUI 0x00, 0x0f, 0xac 79195618Srpaulo#define IEEE80211_MESHCONF_NEIGHOFF_VALUE 0x00 80195618Srpaulo#define IEEE80211_MESHCONF_NEIGHOFF { IEEE80211_MESHCONF_NEIGHOFF_OUI, \ 81195618Srpaulo IEEE80211_MESHCONF_NEIGHOFF_VALUE } 82195618Srpaulo/* Simultaneous Authenticaction of Equals */ 83195618Srpaulo#define IEEE80211_MESHCONF_SAE_OUI 0x00, 0x0f, 0xac 84195618Srpaulo#define IEEE80211_MESHCONF_SAE_VALUE 0x01 85195618Srpaulo#define IEEE80211_MESHCONF_SAE { IEEE80211_MESHCONF_SAE_OUI, \ 86195618Srpaulo IEEE80211_MESHCONF_SAE_VALUE } 87195618Srpaulo#define IEEE80211_MESHCONF_FORM_MP 0x01 /* Connected to Portal */ 88195618Srpaulo#define IEEE80211_MESHCONF_FORM_NNEIGH_MASK 0x04 /* Number of Neighbours */ 89195618Srpaulo#define IEEE80211_MESHCONF_CAP_AP 0x01 /* Accepting Peers */ 90195618Srpaulo#define IEEE80211_MESHCONF_CAP_MCCAS 0x02 /* MCCA supported */ 91195618Srpaulo#define IEEE80211_MESHCONF_CAP_MCCAE 0x04 /* MCCA enabled */ 92195618Srpaulo#define IEEE80211_MESHCONF_CAP_FWRD 0x08 /* forwarding enabled */ 93195618Srpaulo#define IEEE80211_MESHCONF_CAP_BTR 0x10 /* Beacon Timing Report Enab */ 94195618Srpaulo#define IEEE80211_MESHCONF_CAP_TBTTA 0x20 /* TBTT Adj. Enabled */ 95195618Srpaulo#define IEEE80211_MESHCONF_CAP_PSL 0x40 /* Power Save Level */ 96195618Srpaulo 97195618Srpaulo/* Mesh Identifier */ 98195618Srpaulostruct ieee80211_meshid_ie { 99195618Srpaulo uint8_t id_ie; /* IEEE80211_ELEMID_MESHID */ 100195618Srpaulo uint8_t id_len; 101195618Srpaulo} __packed; 102195618Srpaulo 103195618Srpaulo/* Link Metric Report */ 104195618Srpaulostruct ieee80211_meshlmetric_ie { 105195618Srpaulo uint8_t lm_ie; /* IEEE80211_ELEMID_MESHLINK */ 106195618Srpaulo uint8_t lm_len; 107195618Srpaulo uint32_t lm_metric; 108195618Srpaulo#define IEEE80211_MESHLMETRIC_INITIALVAL 0 109195618Srpaulo} __packed; 110195618Srpaulo 111195618Srpaulo/* Congestion Notification */ 112195618Srpaulostruct ieee80211_meshcngst_ie { 113195618Srpaulo uint8_t cngst_ie; /* IEEE80211_ELEMID_MESHCNGST */ 114195618Srpaulo uint8_t cngst_len; 115195618Srpaulo uint16_t cngst_timer[4]; /* Expiration Timers: AC_BK, 116195618Srpaulo AC_BE, AC_VI, AC_VO */ 117195618Srpaulo} __packed; 118195618Srpaulo 119195618Srpaulo/* Peer Version */ 120195618Srpaulostruct ieee80211_meshpeerver_ie { 121195618Srpaulo uint8_t peerver_ie; /* IEEE80211_ELEMID_MESHPEERVER */ 122195618Srpaulo uint8_t peerver_len; 123195618Srpaulo uint8_t peerver_proto[4]; 124195618Srpaulo} __packed; 125195618Srpaulo/* Mesh Peering Management Protocol */ 126195618Srpaulo#define IEEE80211_MESHPEERVER_PEER_OUI 0x00, 0x0f, 0xac 127195618Srpaulo#define IEEE80211_MESHPEERVER_PEER_VALUE 0x2a 128195618Srpaulo#define IEEE80211_MESHPEERVER_PEER { IEEE80211_MESHPEERVER_PEER_OUI, \ 129195618Srpaulo IEEE80211_MESHPEERVER_PEER_VALUE } 130195618Srpaulo/* Abbreviated Handshake Protocol */ 131195618Srpaulo#define IEEE80211_MESHPEERVER_AH_OUI 0x00, 0x0f, 0xac 132195618Srpaulo#define IEEE80211_MESHPEERVER_AH_VALUE 0x2b 133195618Srpaulo#define IEEE80211_MESHPEERVER_AH { IEEE80211_MESHPEERVER_AH_OUI, \ 134195618Srpaulo IEEE80211_MESHPEERVER_AH_VALUE } 135195618Srpaulo 136195618Srpaulo/* Peer Link Management */ 137195618Srpaulostruct ieee80211_meshpeer_ie { 138195618Srpaulo uint8_t peer_ie; /* IEEE80211_ELEMID_MESHPEER */ 139195618Srpaulo uint8_t peer_len; 140195618Srpaulo uint8_t peer_subtype; 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 153195618Srpaulo#ifdef notyet 154195618Srpaulo/* Mesh Channel Switch Annoucement */ 155195618Srpaulostruct ieee80211_meshcsa_ie { 156195618Srpaulo uint8_t csa_ie; /* IEEE80211_ELEMID_MESHCSA */ 157195618Srpaulo uint8_t csa_len; 158195618Srpaulo uint8_t csa_mode; 159195618Srpaulo uint8_t csa_newclass; /* New Regulatory Class */ 160195618Srpaulo uint8_t csa_newchan; 161195618Srpaulo uint8_t csa_precvalue; /* Precedence Value */ 162195618Srpaulo uint8_t csa_count; 163195618Srpaulo} __packed; 164195618Srpaulo 165195618Srpaulo/* Mesh TIM */ 166195618Srpaulo/* Equal to the non Mesh version */ 167195618Srpaulo 168195618Srpaulo/* Mesh Awake Window */ 169195618Srpaulostruct ieee80211_meshawakew_ie { 170195618Srpaulo uint8_t awakew_ie; /* IEEE80211_ELEMID_MESHAWAKEW */ 171195618Srpaulo uint8_t awakew_len; 172195618Srpaulo uint8_t awakew_windowlen; /* in TUs */ 173195618Srpaulo} __packed; 174195618Srpaulo 175195618Srpaulo/* Mesh Beacon Timing */ 176195618Srpaulostruct ieee80211_meshbeacont_ie { 177195618Srpaulo uint8_t beacont_ie; /* IEEE80211_ELEMID_MESHBEACONT */ 178195618Srpaulo uint8_t beacont_len; 179195618Srpaulo struct { 180195618Srpaulo uint8_t mp_aid; /* Least Octet of AID */ 181195618Srpaulo uint16_t mp_btime; /* Beacon Time */ 182195618Srpaulo uint16_t mp_bint; /* Beacon Interval */ 183195618Srpaulo } __packed mp[1]; /* NB: variable size */ 184195618Srpaulo} __packed; 185195618Srpaulo#endif 186195618Srpaulo 187195618Srpaulo/* Portal (MP) Annoucement */ 188195618Srpaulostruct ieee80211_meshpann_ie { 189195618Srpaulo uint8_t pann_ie; /* IEEE80211_ELEMID_MESHPANN */ 190195618Srpaulo uint8_t pann_len; 191195618Srpaulo uint8_t pann_flags; 192195618Srpaulo uint8_t pann_hopcount; 193195618Srpaulo uint8_t pann_ttl; 194195618Srpaulo uint8_t pann_addr[IEEE80211_ADDR_LEN]; 195195618Srpaulo uint8_t pann_seq; /* PANN Sequence Number */ 196195618Srpaulo} __packed; 197195618Srpaulo 198195618Srpaulo/* Root (MP) Annoucement */ 199195618Srpaulostruct ieee80211_meshrann_ie { 200195618Srpaulo uint8_t rann_ie; /* IEEE80211_ELEMID_MESHRANN */ 201195618Srpaulo uint8_t rann_len; 202195618Srpaulo uint8_t rann_flags; 203195618Srpaulo#define IEEE80211_MESHRANN_FLAGS_PR 0x01 /* Portal Role */ 204195618Srpaulo uint8_t rann_hopcount; 205195618Srpaulo uint8_t rann_ttl; 206195618Srpaulo uint8_t rann_addr[IEEE80211_ADDR_LEN]; 207195618Srpaulo uint32_t rann_seq; /* HWMP Sequence Number */ 208195618Srpaulo uint32_t rann_metric; 209195618Srpaulo} __packed; 210195618Srpaulo 211195618Srpaulo/* Mesh Path Request */ 212195618Srpaulostruct ieee80211_meshpreq_ie { 213195618Srpaulo uint8_t preq_ie; /* IEEE80211_ELEMID_MESHPREQ */ 214195618Srpaulo uint8_t preq_len; 215195618Srpaulo uint8_t preq_flags; 216195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_PR 0x01 /* Portal Role */ 217195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_AM 0x02 /* 0 = ucast / 1 = bcast */ 218195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_PP 0x04 /* Proactive PREP */ 219195618Srpaulo#define IEEE80211_MESHPREQ_FLAGS_AE 0x40 /* Address Extension */ 220195618Srpaulo uint8_t preq_hopcount; 221195618Srpaulo uint8_t preq_ttl; 222195618Srpaulo uint32_t preq_id; 223195618Srpaulo uint8_t preq_origaddr[IEEE80211_ADDR_LEN]; 224195618Srpaulo uint32_t preq_origseq; /* HWMP Sequence Number */ 225195618Srpaulo /* NB: may have Originator Proxied Address */ 226195618Srpaulo uint32_t preq_lifetime; 227195618Srpaulo uint32_t preq_metric; 228195618Srpaulo uint8_t preq_tcount; /* target count */ 229195618Srpaulo struct { 230195618Srpaulo uint8_t target_flags; 231195618Srpaulo#define IEEE80211_MESHPREQ_TFLAGS_TO 0x01 /* Target Only */ 232195618Srpaulo#define IEEE80211_MESHPREQ_TFLAGS_RF 0x02 /* Reply and Forward */ 233195618Srpaulo#define IEEE80211_MESHPREQ_TFLAGS_USN 0x04 /* Unknown HWMP seq number */ 234195618Srpaulo uint8_t target_addr[IEEE80211_ADDR_LEN]; 235195618Srpaulo uint32_t target_seq; /* HWMP Sequence Number */ 236195618Srpaulo } __packed preq_targets[1]; /* NB: variable size */ 237195618Srpaulo} __packed; 238195618Srpaulo 239195618Srpaulo/* Mesh Path Reply */ 240195618Srpaulostruct ieee80211_meshprep_ie { 241195618Srpaulo uint8_t prep_ie; /* IEEE80211_ELEMID_MESHPREP */ 242195618Srpaulo uint8_t prep_len; 243195618Srpaulo uint8_t prep_flags; 244195618Srpaulo uint8_t prep_hopcount; 245195618Srpaulo uint8_t prep_ttl; 246195618Srpaulo uint8_t prep_targetaddr[IEEE80211_ADDR_LEN]; 247195618Srpaulo uint32_t prep_targetseq; 248195618Srpaulo /* NB: May have Target Proxied Address */ 249195618Srpaulo uint32_t prep_lifetime; 250195618Srpaulo uint32_t prep_metric; 251195618Srpaulo uint8_t prep_origaddr[IEEE80211_ADDR_LEN]; 252195618Srpaulo uint32_t prep_origseq; /* HWMP Sequence Number */ 253195618Srpaulo} __packed; 254195618Srpaulo 255195618Srpaulo/* Mesh Path Error */ 256195618Srpaulostruct ieee80211_meshperr_ie { 257195618Srpaulo uint8_t perr_ie; /* IEEE80211_ELEMID_MESHPERR */ 258195618Srpaulo uint8_t perr_len; 259195618Srpaulo uint8_t perr_mode; /* NB: reserved */ 260195618Srpaulo uint8_t perr_ndests; /* Number of Destinations */ 261195618Srpaulo struct { 262195618Srpaulo uint8_t dest_addr[IEEE80211_ADDR_LEN]; 263195618Srpaulo uint32_t dest_seq; /* HWMP Sequence Number */ 264195618Srpaulo } __packed perr_dests[1]; /* NB: variable size */ 265195618Srpaulo} __packed; 266195618Srpaulo 267195618Srpaulo#ifdef notyet 268195618Srpaulo/* Mesh Proxy Update */ 269195618Srpaulostruct ieee80211_meshpu_ie { 270195618Srpaulo uint8_t pu_ie; /* IEEE80211_ELEMID_MESHPU */ 271195618Srpaulo uint8_t pu_len; 272195618Srpaulo uint8_t pu_flags; 273195618Srpaulo#define IEEE80211_MESHPU_FLAGS_MASK 0x1 274195618Srpaulo#define IEEE80211_MESHPU_FLAGS_DEL 0x0 275195618Srpaulo#define IEEE80211_MESHPU_FLAGS_ADD 0x1 276195618Srpaulo uint8_t pu_seq; /* PU Sequence Number */ 277195618Srpaulo uint8_t pu_addr[IEEE80211_ADDR_LEN]; 278195618Srpaulo uint8_t pu_naddr; /* Number of Proxied Addresses */ 279195618Srpaulo /* NB: proxied address follows */ 280195618Srpaulo} __packed; 281195618Srpaulo 282195618Srpaulo/* Mesh Proxy Update Confirmation */ 283195618Srpaulostruct ieee80211_meshpuc_ie { 284195618Srpaulo uint8_t puc_ie; /* IEEE80211_ELEMID_MESHPUC */ 285195618Srpaulo uint8_t puc_len; 286195618Srpaulo uint8_t puc_flags; 287195618Srpaulo uint8_t puc_seq; /* PU Sequence Number */ 288195618Srpaulo uint8_t puc_daddr[IEEE80211_ADDR_LEN]; 289195618Srpaulo} __packed; 290195618Srpaulo#endif 291195618Srpaulo 292195618Srpaulo/* 293195618Srpaulo * 802.11s Action Frames 294195618Srpaulo */ 295195618Srpaulo#define IEEE80211_ACTION_CAT_MESHPEERING 30 /* XXX Linux */ 296195618Srpaulo#define IEEE80211_ACTION_CAT_MESHLMETRIC 13 297195618Srpaulo#define IEEE80211_ACTION_CAT_MESHPATH 32 /* XXX Linux */ 298195618Srpaulo#define IEEE80211_ACTION_CAT_INTERWORK 15 299195618Srpaulo#define IEEE80211_ACTION_CAT_RESOURCE 16 300195618Srpaulo#define IEEE80211_ACTION_CAT_PROXY 17 301195618Srpaulo 302195618Srpaulo/* 303195618Srpaulo * Mesh Peering Action codes. 304195618Srpaulo */ 305195618Srpauloenum { 306195618Srpaulo IEEE80211_ACTION_MESHPEERING_OPEN = 0, 307195618Srpaulo IEEE80211_ACTION_MESHPEERING_CONFIRM = 1, 308195618Srpaulo IEEE80211_ACTION_MESHPEERING_CLOSE = 2, 309195618Srpaulo /* 3-255 reserved */ 310195618Srpaulo}; 311195618Srpaulo 312195618Srpaulo/* 313195618Srpaulo * Mesh Path Selection Action codes. 314195618Srpaulo */ 315195618Srpauloenum { 316195618Srpaulo IEEE80211_ACTION_MESHPATH_REQ = 0, 317195618Srpaulo IEEE80211_ACTION_MESHPATH_REP = 1, 318195618Srpaulo IEEE80211_ACTION_MESHPATH_ERR = 2, 319195618Srpaulo IEEE80211_ACTION_MESHPATH_RANN = 3, 320195618Srpaulo /* 4-255 reserved */ 321195618Srpaulo}; 322195618Srpaulo 323195618Srpaulo/* 324195618Srpaulo * Mesh Link Metric Action codes. 325195618Srpaulo */ 326195618Srpauloenum { 327195618Srpaulo IEEE80211_ACTION_MESHLMETRIC_REQ = 0, /* Link Metric Request */ 328195618Srpaulo IEEE80211_ACTION_MESHLMETRIC_REP = 1, /* Link Metric Report */ 329195618Srpaulo /* 2-255 reserved */ 330195618Srpaulo}; 331195618Srpaulo 332195618Srpaulo/* 333195618Srpaulo * Mesh Portal Annoucement Action codes. 334195618Srpaulo */ 335195618Srpauloenum { 336195618Srpaulo IEEE80211_ACTION_MESHPANN = 0, 337195618Srpaulo /* 1-255 reserved */ 338195618Srpaulo}; 339195618Srpaulo 340195618Srpaulo/* 341195618Srpaulo * Different mesh control structures based on the AE 342195618Srpaulo * (Address Extension) bits. 343195618Srpaulo */ 344195618Srpaulostruct ieee80211_meshcntl { 345195618Srpaulo uint8_t mc_flags; /* Address Extension 00 */ 346195618Srpaulo uint8_t mc_ttl; /* TTL */ 347195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 348195618Srpaulo /* NB: more addresses may follow */ 349195618Srpaulo} __packed; 350195618Srpaulo 351195618Srpaulostruct ieee80211_meshcntl_ae01 { 352195618Srpaulo uint8_t mc_flags; /* Address Extension 01 */ 353195618Srpaulo uint8_t mc_ttl; /* TTL */ 354195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 355195618Srpaulo uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 356195618Srpaulo} __packed; 357195618Srpaulo 358195618Srpaulostruct ieee80211_meshcntl_ae10 { 359195618Srpaulo uint8_t mc_flags; /* Address Extension 10 */ 360195618Srpaulo uint8_t mc_ttl; /* TTL */ 361195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 362195784Srpaulo uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 363195618Srpaulo uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 364195618Srpaulo} __packed; 365195618Srpaulo 366195618Srpaulostruct ieee80211_meshcntl_ae11 { 367195618Srpaulo uint8_t mc_flags; /* Address Extension 11 */ 368195618Srpaulo uint8_t mc_ttl; /* TTL */ 369195618Srpaulo uint8_t mc_seq[4]; /* Sequence No. */ 370195618Srpaulo uint8_t mc_addr4[IEEE80211_ADDR_LEN]; 371195618Srpaulo uint8_t mc_addr5[IEEE80211_ADDR_LEN]; 372195618Srpaulo uint8_t mc_addr6[IEEE80211_ADDR_LEN]; 373195618Srpaulo} __packed; 374195618Srpaulo 375195618Srpaulo#ifdef _KERNEL 376195618SrpauloMALLOC_DECLARE(M_80211_MESH_RT); 377195618Srpaulostruct ieee80211_mesh_route { 378195618Srpaulo TAILQ_ENTRY(ieee80211_mesh_route) rt_next; 379195784Srpaulo struct timeval rt_crtime; /* creation time */ 380195618Srpaulo uint8_t rt_dest[IEEE80211_ADDR_LEN]; 381195618Srpaulo uint8_t rt_nexthop[IEEE80211_ADDR_LEN]; 382195618Srpaulo uint32_t rt_metric; /* path metric */ 383195618Srpaulo uint16_t rt_nhops; /* number of hops */ 384195784Srpaulo uint16_t rt_flags; 385195784Srpaulo#define IEEE80211_MESHRT_FLAGS_VALID 0x01 /* patch discovery complete */ 386195784Srpaulo#define IEEE80211_MESHRT_FLAGS_PROXY 0x02 /* proxy entry */ 387195618Srpaulo uint32_t rt_lifetime; 388195618Srpaulo uint32_t rt_lastmseq; /* last seq# seen dest */ 389195618Srpaulo void *rt_priv; /* private data */ 390195618Srpaulo}; 391195618Srpaulo#define IEEE80211_MESH_ROUTE_PRIV(rt, cast) ((cast *)rt->rt_priv) 392195618Srpaulo 393195618Srpaulo#define IEEE80211_MESH_PROTO_DSZ 12 /* description size */ 394195618Srpaulo/* 395195618Srpaulo * Mesh Path Selection Protocol. 396195618Srpaulo */ 397195618Srpauloenum ieee80211_state; 398195618Srpaulostruct ieee80211_mesh_proto_path { 399195618Srpaulo char mpp_descr[IEEE80211_MESH_PROTO_DSZ]; 400195618Srpaulo uint8_t mpp_ie[4]; 401195618Srpaulo struct ieee80211_node * 402195618Srpaulo (*mpp_discover)(struct ieee80211vap *, 403195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN], 404195618Srpaulo struct mbuf *); 405195618Srpaulo void (*mpp_peerdown)(struct ieee80211_node *); 406195618Srpaulo void (*mpp_vattach)(struct ieee80211vap *); 407195618Srpaulo void (*mpp_vdetach)(struct ieee80211vap *); 408195618Srpaulo int (*mpp_newstate)(struct ieee80211vap *, 409195618Srpaulo enum ieee80211_state, int); 410195784Srpaulo const size_t mpp_privlen; /* size required in the routing table 411195618Srpaulo for private data */ 412195784Srpaulo const struct timeval mpp_inact; /* inact. timeout for invalid routes */ 413195618Srpaulo}; 414195618Srpaulo 415195618Srpaulo/* 416195618Srpaulo * Mesh Link Metric Report Protocol. 417195618Srpaulo */ 418195618Srpaulostruct ieee80211_mesh_proto_metric { 419195618Srpaulo char mpm_descr[IEEE80211_MESH_PROTO_DSZ]; 420195618Srpaulo uint8_t mpm_ie[4]; 421195618Srpaulo uint32_t (*mpm_metric)(struct ieee80211_node *); 422195618Srpaulo}; 423195618Srpaulo 424195618Srpaulo#ifdef notyet 425195618Srpaulo/* 426195618Srpaulo * Mesh Authentication Protocol. 427195618Srpaulo */ 428195618Srpaulostruct ieee80211_mesh_proto_auth { 429195618Srpaulo uint8_t mpa_ie[4]; 430195618Srpaulo}; 431195618Srpaulo 432195618Srpaulostruct ieee80211_mesh_proto_congestion { 433195618Srpaulo}; 434195618Srpaulo 435195618Srpaulostruct ieee80211_mesh_proto_sync { 436195618Srpaulo}; 437195618Srpaulo#endif 438195618Srpaulo 439195618Srpaulotypedef uint32_t ieee80211_mesh_seq; 440195618Srpaulo#define IEEE80211_MESH_SEQ_LEQ(a, b) ((int32_t)((a)-(b)) <= 0) 441195618Srpaulo#define IEEE80211_MESH_SEQ_GEQ(a, b) ((int32_t)((a)-(b)) >= 0) 442195618Srpaulo 443195618Srpaulostruct ieee80211_mesh_state { 444195618Srpaulo int ms_idlen; 445195618Srpaulo uint8_t ms_id[IEEE80211_MESHID_LEN]; 446195618Srpaulo ieee80211_mesh_seq ms_seq; /* seq no for meshcntl */ 447195618Srpaulo uint16_t ms_neighbors; 448195618Srpaulo uint8_t ms_ttl; /* mesh ttl set in packets */ 449195618Srpaulo#define IEEE80211_MESHFLAGS_AP 0x01 /* accept peers */ 450195618Srpaulo#define IEEE80211_MESHFLAGS_PORTAL 0x02 /* mesh portal role */ 451195618Srpaulo#define IEEE80211_MESHFLAGS_FWD 0x04 /* forward packets */ 452195618Srpaulo uint8_t ms_flags; 453195618Srpaulo struct mtx ms_rt_lock; 454195784Srpaulo struct callout ms_cleantimer; 455195618Srpaulo TAILQ_HEAD(, ieee80211_mesh_route) ms_routes; 456195618Srpaulo struct ieee80211_mesh_proto_metric *ms_pmetric; 457195618Srpaulo struct ieee80211_mesh_proto_path *ms_ppath; 458195618Srpaulo}; 459195618Srpaulovoid ieee80211_mesh_attach(struct ieee80211com *); 460195618Srpaulovoid ieee80211_mesh_detach(struct ieee80211com *); 461195618Srpaulo 462195618Srpaulostruct ieee80211_mesh_route * 463195618Srpaulo ieee80211_mesh_rt_find(struct ieee80211vap *, 464195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 465195618Srpaulostruct ieee80211_mesh_route * 466195618Srpaulo ieee80211_mesh_rt_add(struct ieee80211vap *, 467195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 468195618Srpaulovoid ieee80211_mesh_rt_del(struct ieee80211vap *, 469195618Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 470195618Srpaulovoid ieee80211_mesh_rt_flush(struct ieee80211vap *); 471195784Srpaulovoid ieee80211_mesh_proxy_check(struct ieee80211vap *, 472195784Srpaulo const uint8_t [IEEE80211_ADDR_LEN]); 473195618Srpaulo 474195618Srpauloint ieee80211_mesh_register_proto_path(const 475195618Srpaulo struct ieee80211_mesh_proto_path *); 476195618Srpauloint ieee80211_mesh_register_proto_metric(const 477195618Srpaulo struct ieee80211_mesh_proto_metric *); 478195618Srpaulo 479195618Srpaulouint8_t * ieee80211_add_meshpeerver(uint8_t *, struct ieee80211vap *); 480195618Srpaulouint8_t * ieee80211_add_meshid(uint8_t *, struct ieee80211vap *); 481195618Srpaulouint8_t * ieee80211_add_meshconf(uint8_t *, struct ieee80211vap *); 482195618Srpaulouint8_t * ieee80211_add_meshpeer(uint8_t *, uint8_t, uint16_t, uint16_t, 483195618Srpaulo uint16_t); 484195618Srpaulouint8_t * ieee80211_add_meshlmetric(uint8_t *, uint32_t); 485195618Srpaulo 486195618Srpaulovoid ieee80211_mesh_node_init(struct ieee80211vap *, 487195618Srpaulo struct ieee80211_node *); 488195618Srpaulovoid ieee80211_mesh_node_cleanup(struct ieee80211_node *); 489195618Srpaulovoid ieee80211_parse_meshid(struct ieee80211_node *, 490195618Srpaulo const uint8_t *); 491195618Srpaulostruct ieee80211_scanparams; 492195618Srpaulovoid ieee80211_mesh_init_neighbor(struct ieee80211_node *, 493195618Srpaulo const struct ieee80211_frame *, 494195618Srpaulo const struct ieee80211_scanparams *); 495195618Srpaulo 496195784Srpaulo/* 497195784Srpaulo * Return non-zero if proxy operation is enabled. 498195784Srpaulo */ 499195784Srpaulostatic __inline int 500195784Srpauloieee80211_mesh_isproxyena(struct ieee80211vap *vap) 501195784Srpaulo{ 502195784Srpaulo struct ieee80211_mesh_state *ms = vap->iv_mesh; 503195784Srpaulo return (ms->ms_flags & 504195784Srpaulo (IEEE80211_MESHFLAGS_AP | IEEE80211_MESHFLAGS_PORTAL)) != 0; 505195784Srpaulo} 506195784Srpaulo 507195784Srpaulo/* 508195784Srpaulo * Process an outbound frame: if a path is known to the 509195784Srpaulo * destination then return a reference to the next hop 510195784Srpaulo * for immediate transmission. Otherwise initiate path 511195784Srpaulo * discovery and, if possible queue the packet to be 512195784Srpaulo * sent when path discovery completes. 513195784Srpaulo */ 514195618Srpaulostatic __inline struct ieee80211_node * 515195784Srpauloieee80211_mesh_discover(struct ieee80211vap *vap, 516195618Srpaulo const uint8_t dest[IEEE80211_ADDR_LEN], struct mbuf *m) 517195618Srpaulo{ 518195618Srpaulo struct ieee80211_mesh_state *ms = vap->iv_mesh; 519195618Srpaulo return ms->ms_ppath->mpp_discover(vap, dest, m); 520195618Srpaulo} 521195618Srpaulo 522195618Srpaulo#endif /* _KERNEL */ 523195618Srpaulo#endif /* !_NET80211_IEEE80211_MESH_H_ */ 524