ieee80211.h revision 297008
1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/net80211/ieee80211.h 297008 2016-03-18 04:00:57Z adrian $ 27 */ 28#ifndef _NET80211_IEEE80211_H_ 29#define _NET80211_IEEE80211_H_ 30 31/* 32 * 802.11 protocol definitions. 33 */ 34 35#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 36/* is 802.11 address multicast/broadcast? */ 37#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 38 39#ifdef _KERNEL 40extern const uint8_t ieee80211broadcastaddr[]; 41#endif 42 43typedef uint16_t ieee80211_seq; 44 45/* IEEE 802.11 PLCP header */ 46struct ieee80211_plcp_hdr { 47 uint16_t i_sfd; 48 uint8_t i_signal; 49 uint8_t i_service; 50 uint16_t i_length; 51 uint16_t i_crc; 52} __packed; 53 54#define IEEE80211_PLCP_SFD 0xF3A0 55#define IEEE80211_PLCP_SERVICE 0x00 56#define IEEE80211_PLCP_SERVICE_LOCKED 0x04 57#define IEEE80211_PLCL_SERVICE_PBCC 0x08 58#define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 59#define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 60#define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 61 62/* 63 * generic definitions for IEEE 802.11 frames 64 */ 65struct ieee80211_frame { 66 uint8_t i_fc[2]; 67 uint8_t i_dur[2]; 68 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 69 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 70 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 71 uint8_t i_seq[2]; 72 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 73 /* see below */ 74} __packed; 75 76struct ieee80211_qosframe { 77 uint8_t i_fc[2]; 78 uint8_t i_dur[2]; 79 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 80 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 81 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 82 uint8_t i_seq[2]; 83 uint8_t i_qos[2]; 84 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 85 /* see below */ 86} __packed; 87 88struct ieee80211_qoscntl { 89 uint8_t i_qos[2]; 90}; 91 92struct ieee80211_frame_addr4 { 93 uint8_t i_fc[2]; 94 uint8_t i_dur[2]; 95 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 96 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 97 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 98 uint8_t i_seq[2]; 99 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 100} __packed; 101 102 103struct ieee80211_qosframe_addr4 { 104 uint8_t i_fc[2]; 105 uint8_t i_dur[2]; 106 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 107 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 108 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 109 uint8_t i_seq[2]; 110 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 111 uint8_t i_qos[2]; 112} __packed; 113 114#define IEEE80211_FC0_VERSION_MASK 0x03 115#define IEEE80211_FC0_VERSION_SHIFT 0 116#define IEEE80211_FC0_VERSION_0 0x00 117#define IEEE80211_FC0_TYPE_MASK 0x0c 118#define IEEE80211_FC0_TYPE_SHIFT 2 119#define IEEE80211_FC0_TYPE_MGT 0x00 120#define IEEE80211_FC0_TYPE_CTL 0x04 121#define IEEE80211_FC0_TYPE_DATA 0x08 122 123#define IEEE80211_FC0_SUBTYPE_MASK 0xf0 124#define IEEE80211_FC0_SUBTYPE_SHIFT 4 125/* for TYPE_MGT */ 126#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 127#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 128#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 129#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 130#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 131#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 132#define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60 133#define IEEE80211_FC0_SUBTYPE_BEACON 0x80 134#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 135#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 136#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 137#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 138#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 139#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 140/* for TYPE_CTL */ 141#define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70 142#define IEEE80211_FC0_SUBTYPE_BAR 0x80 143#define IEEE80211_FC0_SUBTYPE_BA 0x90 144#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 145#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 146#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 147#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 148#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 149#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 150/* for TYPE_DATA (bit combination) */ 151#define IEEE80211_FC0_SUBTYPE_DATA 0x00 152#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 153#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 154#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 155#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 156#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 157#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 158#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 159#define IEEE80211_FC0_SUBTYPE_QOS 0x80 160#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 161 162#define IEEE80211_FC1_DIR_MASK 0x03 163#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 164#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 165#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 166#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 167 168#define IEEE80211_IS_DSTODS(wh) \ 169 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 170 171#define IEEE80211_FC1_MORE_FRAG 0x04 172#define IEEE80211_FC1_RETRY 0x08 173#define IEEE80211_FC1_PWR_MGT 0x10 174#define IEEE80211_FC1_MORE_DATA 0x20 175#define IEEE80211_FC1_PROTECTED 0x40 176#define IEEE80211_FC1_ORDER 0x80 177 178#define IEEE80211_HAS_SEQ(type, subtype) \ 179 ((type) != IEEE80211_FC0_TYPE_CTL && \ 180 !((type) == IEEE80211_FC0_TYPE_DATA && \ 181 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 182 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 183#define IEEE80211_SEQ_FRAG_MASK 0x000f 184#define IEEE80211_SEQ_FRAG_SHIFT 0 185#define IEEE80211_SEQ_SEQ_MASK 0xfff0 186#define IEEE80211_SEQ_SEQ_SHIFT 4 187#define IEEE80211_SEQ_RANGE 4096 188 189#define IEEE80211_SEQ_ADD(seq, incr) \ 190 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 191#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 192#define IEEE80211_SEQ_SUB(a, b) \ 193 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 194 195#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 196#define IEEE80211_SEQ_BA_BEFORE(a, b) \ 197 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 198 199#define IEEE80211_NWID_LEN 32 200#define IEEE80211_MESHID_LEN 32 201 202#define IEEE80211_QOS_TXOP 0x00ff 203/* bit 8 is reserved */ 204#define IEEE80211_QOS_AMSDU 0x80 205#define IEEE80211_QOS_AMSDU_S 7 206#define IEEE80211_QOS_ACKPOLICY 0x60 207#define IEEE80211_QOS_ACKPOLICY_S 5 208#define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 209#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 210#define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 211#define IEEE80211_QOS_EOSP_S 4 212#define IEEE80211_QOS_TID 0x0f 213/* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 214#define IEEE80211_QOS_MC 0x01 /* Mesh control */ 215/* Mesh power save level*/ 216#define IEEE80211_QOS_MESH_PSL 0x02 217/* Mesh Receiver Service Period Initiated */ 218#define IEEE80211_QOS_RSPI 0x04 219/* bits 11 to 15 reserved */ 220 221/* does frame have QoS sequence control data */ 222#define IEEE80211_QOS_HAS_SEQ(wh) \ 223 (((wh)->i_fc[0] & \ 224 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 225 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 226 227/* 228 * WME/802.11e information element. 229 */ 230struct ieee80211_wme_info { 231 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 232 uint8_t wme_len; /* length in bytes */ 233 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 234 uint8_t wme_type; /* OUI type */ 235 uint8_t wme_subtype; /* OUI subtype */ 236 uint8_t wme_version; /* spec revision */ 237 uint8_t wme_info; /* QoS info */ 238} __packed; 239 240/* 241 * WME/802.11e Tspec Element 242 */ 243struct ieee80211_wme_tspec { 244 uint8_t ts_id; 245 uint8_t ts_len; 246 uint8_t ts_oui[3]; 247 uint8_t ts_oui_type; 248 uint8_t ts_oui_subtype; 249 uint8_t ts_version; 250 uint8_t ts_tsinfo[3]; 251 uint8_t ts_nom_msdu[2]; 252 uint8_t ts_max_msdu[2]; 253 uint8_t ts_min_svc[4]; 254 uint8_t ts_max_svc[4]; 255 uint8_t ts_inactv_intv[4]; 256 uint8_t ts_susp_intv[4]; 257 uint8_t ts_start_svc[4]; 258 uint8_t ts_min_rate[4]; 259 uint8_t ts_mean_rate[4]; 260 uint8_t ts_max_burst[4]; 261 uint8_t ts_min_phy[4]; 262 uint8_t ts_peak_rate[4]; 263 uint8_t ts_delay[4]; 264 uint8_t ts_surplus[2]; 265 uint8_t ts_medium_time[2]; 266} __packed; 267 268/* 269 * WME AC parameter field 270 */ 271struct ieee80211_wme_acparams { 272 uint8_t acp_aci_aifsn; 273 uint8_t acp_logcwminmax; 274 uint16_t acp_txop; 275} __packed; 276 277#define WME_NUM_AC 4 /* 4 AC categories */ 278#define WME_NUM_TID 16 /* 16 tids */ 279 280#define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 281#define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 282#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 283#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 284#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 285#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 286#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 287#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 288#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 289#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 290 291#define WME_AC_TO_TID(_ac) ( \ 292 ((_ac) == WME_AC_VO) ? 6 : \ 293 ((_ac) == WME_AC_VI) ? 5 : \ 294 ((_ac) == WME_AC_BK) ? 1 : \ 295 0) 296 297#define TID_TO_WME_AC(_tid) ( \ 298 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 299 ((_tid) < 3) ? WME_AC_BK : \ 300 ((_tid) < 6) ? WME_AC_VI : \ 301 WME_AC_VO) 302 303/* 304 * WME Parameter Element 305 */ 306struct ieee80211_wme_param { 307 uint8_t param_id; 308 uint8_t param_len; 309 uint8_t param_oui[3]; 310 uint8_t param_oui_type; 311 uint8_t param_oui_subtype; 312 uint8_t param_version; 313 uint8_t param_qosInfo; 314#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 315 uint8_t param_reserved; 316 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 317} __packed; 318 319/* 320 * Management Notification Frame 321 */ 322struct ieee80211_mnf { 323 uint8_t mnf_category; 324 uint8_t mnf_action; 325 uint8_t mnf_dialog; 326 uint8_t mnf_status; 327} __packed; 328#define MNF_SETUP_REQ 0 329#define MNF_SETUP_RESP 1 330#define MNF_TEARDOWN 2 331 332/* 333 * 802.11n Management Action Frames 334 */ 335/* generic frame format */ 336struct ieee80211_action { 337 uint8_t ia_category; 338 uint8_t ia_action; 339} __packed; 340 341#define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 342#define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 343#define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 344#define IEEE80211_ACTION_CAT_BA 3 /* BA */ 345#define IEEE80211_ACTION_CAT_HT 7 /* HT */ 346#define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 347#define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 348/* 16 - 125 reserved */ 349#define IEEE80211_ACTION_VHT 21 350#define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 351 352#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 353#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 354 355/* HT - recommended transmission channel width */ 356struct ieee80211_action_ht_txchwidth { 357 struct ieee80211_action at_header; 358 uint8_t at_chwidth; 359} __packed; 360 361#define IEEE80211_A_HT_TXCHWIDTH_20 0 362#define IEEE80211_A_HT_TXCHWIDTH_2040 1 363 364/* HT - MIMO Power Save (NB: D2.04) */ 365struct ieee80211_action_ht_mimopowersave { 366 struct ieee80211_action am_header; 367 uint8_t am_control; 368} __packed; 369 370#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 371#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 372#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 373#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 374#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 375/* bits 2-7 reserved */ 376 377/* Block Ack actions */ 378#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 379#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 380#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 381 382/* Block Ack Parameter Set */ 383#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 384#define IEEE80211_BAPS_BUFSIZ_S 6 385#define IEEE80211_BAPS_TID 0x003c /* TID */ 386#define IEEE80211_BAPS_TID_S 2 387#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 388#define IEEE80211_BAPS_POLICY_S 1 389 390#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 391#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 392 393/* Block Ack Sequence Control */ 394#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 395#define IEEE80211_BASEQ_START_S 4 396#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 397#define IEEE80211_BASEQ_FRAG_S 0 398 399/* Delayed Block Ack Parameter Set */ 400#define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 401#define IEEE80211_DELBAPS_TID_S 12 402#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 403#define IEEE80211_DELBAPS_INIT_S 11 404 405/* BA - ADDBA request */ 406struct ieee80211_action_ba_addbarequest { 407 struct ieee80211_action rq_header; 408 uint8_t rq_dialogtoken; 409 uint16_t rq_baparamset; 410 uint16_t rq_batimeout; /* in TUs */ 411 uint16_t rq_baseqctl; 412} __packed; 413 414/* BA - ADDBA response */ 415struct ieee80211_action_ba_addbaresponse { 416 struct ieee80211_action rs_header; 417 uint8_t rs_dialogtoken; 418 uint16_t rs_statuscode; 419 uint16_t rs_baparamset; 420 uint16_t rs_batimeout; /* in TUs */ 421} __packed; 422 423/* BA - DELBA */ 424struct ieee80211_action_ba_delba { 425 struct ieee80211_action dl_header; 426 uint16_t dl_baparamset; 427 uint16_t dl_reasoncode; 428} __packed; 429 430/* BAR Control */ 431#define IEEE80211_BAR_TID 0xf000 /* TID */ 432#define IEEE80211_BAR_TID_S 12 433#define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 434#define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 435#define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 436 437/* BAR Starting Sequence Control */ 438#define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 439#define IEEE80211_BAR_SEQ_START_S 4 440 441struct ieee80211_ba_request { 442 uint16_t rq_barctl; 443 uint16_t rq_barseqctl; 444} __packed; 445 446/* 447 * Control frames. 448 */ 449struct ieee80211_frame_min { 450 uint8_t i_fc[2]; 451 uint8_t i_dur[2]; 452 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 453 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 454 /* FCS */ 455} __packed; 456 457struct ieee80211_frame_rts { 458 uint8_t i_fc[2]; 459 uint8_t i_dur[2]; 460 uint8_t i_ra[IEEE80211_ADDR_LEN]; 461 uint8_t i_ta[IEEE80211_ADDR_LEN]; 462 /* FCS */ 463} __packed; 464 465struct ieee80211_frame_cts { 466 uint8_t i_fc[2]; 467 uint8_t i_dur[2]; 468 uint8_t i_ra[IEEE80211_ADDR_LEN]; 469 /* FCS */ 470} __packed; 471 472struct ieee80211_frame_ack { 473 uint8_t i_fc[2]; 474 uint8_t i_dur[2]; 475 uint8_t i_ra[IEEE80211_ADDR_LEN]; 476 /* FCS */ 477} __packed; 478 479struct ieee80211_frame_pspoll { 480 uint8_t i_fc[2]; 481 uint8_t i_aid[2]; 482 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 483 uint8_t i_ta[IEEE80211_ADDR_LEN]; 484 /* FCS */ 485} __packed; 486 487struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 488 uint8_t i_fc[2]; 489 uint8_t i_dur[2]; /* should be zero */ 490 uint8_t i_ra[IEEE80211_ADDR_LEN]; 491 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 492 /* FCS */ 493} __packed; 494 495struct ieee80211_frame_bar { 496 uint8_t i_fc[2]; 497 uint8_t i_dur[2]; 498 uint8_t i_ra[IEEE80211_ADDR_LEN]; 499 uint8_t i_ta[IEEE80211_ADDR_LEN]; 500 uint16_t i_ctl; 501 uint16_t i_seq; 502 /* FCS */ 503} __packed; 504 505/* 506 * BEACON management packets 507 * 508 * octet timestamp[8] 509 * octet beacon interval[2] 510 * octet capability information[2] 511 * information element 512 * octet elemid 513 * octet length 514 * octet information[length] 515 */ 516 517#define IEEE80211_BEACON_INTERVAL(beacon) \ 518 ((beacon)[8] | ((beacon)[9] << 8)) 519#define IEEE80211_BEACON_CAPABILITY(beacon) \ 520 ((beacon)[10] | ((beacon)[11] << 8)) 521 522#define IEEE80211_CAPINFO_ESS 0x0001 523#define IEEE80211_CAPINFO_IBSS 0x0002 524#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 525#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 526#define IEEE80211_CAPINFO_PRIVACY 0x0010 527#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 528#define IEEE80211_CAPINFO_PBCC 0x0040 529#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 530#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 531/* bit 9 is reserved */ 532#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 533#define IEEE80211_CAPINFO_RSN 0x0800 534/* bit 12 is reserved */ 535#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 536/* bits 14-15 are reserved */ 537 538#define IEEE80211_CAPINFO_BITS \ 539 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 540 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 541 "\16DSSOFDM" 542 543/* 544 * 802.11i/WPA information element (maximally sized). 545 */ 546struct ieee80211_ie_wpa { 547 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 548 uint8_t wpa_len; /* length in bytes */ 549 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 550 uint8_t wpa_type; /* OUI type */ 551 uint16_t wpa_version; /* spec revision */ 552 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 553 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 554 uint32_t wpa_uciphers[8];/* ciphers */ 555 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 556 uint32_t wpa_authsels[8];/* selectors */ 557 uint16_t wpa_caps; /* 802.11i capabilities */ 558 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 559 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 560} __packed; 561 562/* 563 * 802.11n HT Capability IE 564 * NB: these reflect D1.10 565 */ 566struct ieee80211_ie_htcap { 567 uint8_t hc_id; /* element ID */ 568 uint8_t hc_len; /* length in bytes */ 569 uint16_t hc_cap; /* HT caps (see below) */ 570 uint8_t hc_param; /* HT params (see below) */ 571 uint8_t hc_mcsset[16]; /* supported MCS set */ 572 uint16_t hc_extcap; /* extended HT capabilities */ 573 uint32_t hc_txbf; /* txbf capabilities */ 574 uint8_t hc_antenna; /* antenna capabilities */ 575} __packed; 576 577/* HT capability flags (ht_cap) */ 578#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ 579#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 580#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 581#define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 582#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 583/* NB: SMPS value 2 is reserved */ 584#define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 585#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 586#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 587#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 588#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 589#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 590#define IEEE80211_HTCAP_RXSTBC_S 8 591#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 592#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 593#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 594#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 595#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 596#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 597#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 598#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 599#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 600#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 601#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 602 603#define IEEE80211_HTCAP_BITS \ 604 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 605 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 606 "\20LSIGTXOPPROT" 607 608/* HT parameters (hc_param) */ 609#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 610#define IEEE80211_HTCAP_MAXRXAMPDU_S 0 611#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 612#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 613#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 614#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 615#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 616#define IEEE80211_HTCAP_MPDUDENSITY_S 2 617#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 618#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 619#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 620#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 621#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 622#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 623#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 624#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 625 626/* HT extended capabilities (hc_extcap) */ 627#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 628#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 629#define IEEE80211_HTCAP_PCOTRANS_S 1 630#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 631#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 632#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 633/* bits 3-7 reserved */ 634#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 635#define IEEE80211_HTCAP_MCSFBACK_S 8 636#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 637#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 638#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 639#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 640#define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 641/* bits 12-15 reserved */ 642 643/* 644 * 802.11n HT Information IE 645 */ 646struct ieee80211_ie_htinfo { 647 uint8_t hi_id; /* element ID */ 648 uint8_t hi_len; /* length in bytes */ 649 uint8_t hi_ctrlchannel; /* primary channel */ 650 uint8_t hi_byte1; /* ht ie byte 1 */ 651 uint8_t hi_byte2; /* ht ie byte 2 */ 652 uint8_t hi_byte3; /* ht ie byte 3 */ 653 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 654 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 655} __packed; 656 657/* byte1 */ 658#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 659#define IEEE80211_HTINFO_2NDCHAN_S 0 660#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 661#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 662/* NB: 2 is reserved */ 663#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 664#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 665#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 666#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 667#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 668#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 669#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 670#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 671#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 672#define IEEE80211_HTINFO_SIGRAN_S 5 673#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 674/* XXX add rest */ 675 676/* bytes 2+3 */ 677#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 678#define IEEE80211_HTINFO_OPMODE_S 0 679#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 680#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 681#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 682#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 683#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 684#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 685#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 686/* bits 5-15 reserved */ 687 688/* bytes 4+5 */ 689#define IEEE80211_HTINFO_2NDARYBEACON 0x01 690#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 691#define IEEE80211_HTINFO_PCO_ACTIVE 0x04 692#define IEEE80211_HTINFO_40MHZPHASE 0x08 693 694/* byte5 */ 695#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 696#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 697#define IEEE80211_HTINFO_DUALPROTECTED 0x80 698 699 700/* 701 * 802.11ac definitions - 802.11ac-2013 . 702 */ 703 704/* VHT opmode bits */ 705#define IEEE80211_VHT_OPMODE_CHANWIDTH_MASK 3 706#define IEEE80211_VHT_OPMODE_CHANWIDTH_20MHZ 0 707#define IEEE80211_VHT_OPMODE_CHANWIDTH_40MHZ 1 708#define IEEE80211_VHT_OPMODE_CHANWIDTH_80MHZ 2 709#define IEEE80211_VHT_OPMODE_CHANWIDTH_160MHZ 3 710#define IEEE80211_VHT_OPMODE_RX_NSS_MASK 0x70 711#define IEEE80211_VHT_OPMODE_RX_NSS_SHIFT 4 712#define IEEE80211_VHT_OPMODE_RX_NSS_TYPE_BF 0x80 713 714/* 715 * Maximum length of A-MPDU that the STA can RX in VHT. 716 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 717 */ 718#define IEEE80211_VHTCAP_MAX_AMPDU_8K 0 719#define IEEE80211_VHTCAP_MAX_AMPDU_16K 1 720#define IEEE80211_VHTCAP_MAX_AMPDU_32K 2 721#define IEEE80211_VHTCAP_MAX_AMPDU_64K 3 722#define IEEE80211_VHTCAP_MAX_AMPDU_128K 4 723#define IEEE80211_VHTCAP_MAX_AMPDU_256K 5 724#define IEEE80211_VHTCAP_MAX_AMPDU_512K 6 725#define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7 726 727/* 728 * VHT MCS information. 729 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU 730 * data rate. 1Mbit/sec units. 731 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS; 732 * 2 bits each. 733 */ 734#define IEEE80211_VHT_MCS_SUPPORT_0_7 0 /* MCS0-7 */ 735#define IEEE80211_VHT_MCS_SUPPORT_0_8 1 /* MCS0-8 */ 736#define IEEE80211_VHT_MCS_SUPPORT_0_9 2 /* MCS0-9 */ 737#define IEEE80211_VHT_MCS_NOT_SUPPORTED 3 /* not supported */ 738 739struct ieee80211_vht_mcs_info { 740 uint16_t rx_mcs_map; 741 uint16_t rx_highest; 742 uint16_t tx_mcs_map; 743 uint16_t tx_highest; 744} __packed; 745 746/* VHT capabilities element: 802.11ac-2013 8.4.2.160 */ 747struct ieee80211_ie_vhtcap { 748 uint8_t ie; 749 uint8_t len; 750 uint32_t vht_cap_info; 751 struct ieee80211_vht_mcs_info supp_mcs; 752} __packed; 753 754#define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */ 755#define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */ 756#define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */ 757#define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */ 758 759/* VHT operation IE - 802.11ac-2013 8.4.2.161 */ 760struct ieee80211_ie_vht_operation { 761 uint8_t ie; 762 uint8_t len; 763 uint8_t chan_width; 764 uint8_t center_freq_seg1_idx; 765 uint8_t center_freq_seg2_idx; 766 uint16_t basic_mcs_set; 767} __packed; 768 769/* 802.11ac VHT Capabilities */ 770#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000 771#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 772#define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 773#define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 774#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 775#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 776#define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 777#define IEEE80211_VHTCAP_RXLDPC 0x00000010 778#define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 779#define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 780#define IEEE80211_VHTCAP_TXSTBC 0x00000080 781#define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 782#define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 783#define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 784#define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 785#define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 786#define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 787#define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 788#define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 789#define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ 790 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) 791#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 792#define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ 793 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) 794#define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 795#define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 796#define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 797#define IEEE80211_VHTCAP_HTC_VHT 0x00400000 798#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 799#define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 800 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 801#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 802#define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 803#define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 804#define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 805 806/* VHT action codes */ 807#define WLAN_ACTION_VHT_COMPRESSED_BF 0 808#define WLAN_ACTION_VHT_GROUPID_MGMT 1 809#define WLAN_ACTION_VHT_OPMODE_NOTIF 2 810 811/* 812 * Management information element payloads. 813 */ 814 815enum { 816 IEEE80211_ELEMID_SSID = 0, 817 IEEE80211_ELEMID_RATES = 1, 818 IEEE80211_ELEMID_FHPARMS = 2, 819 IEEE80211_ELEMID_DSPARMS = 3, 820 IEEE80211_ELEMID_CFPARMS = 4, 821 IEEE80211_ELEMID_TIM = 5, 822 IEEE80211_ELEMID_IBSSPARMS = 6, 823 IEEE80211_ELEMID_COUNTRY = 7, 824 IEEE80211_ELEMID_BSSLOAD = 11, 825 IEEE80211_ELEMID_TSPEC = 13, 826 IEEE80211_ELEMID_TCLAS = 14, 827 IEEE80211_ELEMID_CHALLENGE = 16, 828 /* 17-31 reserved for challenge text extension */ 829 IEEE80211_ELEMID_PWRCNSTR = 32, 830 IEEE80211_ELEMID_PWRCAP = 33, 831 IEEE80211_ELEMID_TPCREQ = 34, 832 IEEE80211_ELEMID_TPCREP = 35, 833 IEEE80211_ELEMID_SUPPCHAN = 36, 834 IEEE80211_ELEMID_CSA = 37, 835 IEEE80211_ELEMID_MEASREQ = 38, 836 IEEE80211_ELEMID_MEASREP = 39, 837 IEEE80211_ELEMID_QUIET = 40, 838 IEEE80211_ELEMID_IBSSDFS = 41, 839 IEEE80211_ELEMID_ERP = 42, 840 IEEE80211_ELEMID_HTCAP = 45, 841 IEEE80211_ELEMID_QOS = 46, 842 IEEE80211_ELEMID_RSN = 48, 843 IEEE80211_ELEMID_XRATES = 50, 844 IEEE80211_ELEMID_APCHANREP = 51, 845 IEEE80211_ELEMID_HTINFO = 61, 846 IEEE80211_ELEMID_SECCHAN_OFFSET = 62, 847 IEEE80211_ELEMID_RRM_ENACAPS = 70, 848 IEEE80211_ELEMID_MULTIBSSID = 71, 849 IEEE80211_ELEMID_COEX_2040 = 72, 850 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73, 851 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74, 852 IEEE80211_ELEMID_TSF_REQ = 91, 853 IEEE80211_ELEMID_TSF_RESP = 92, 854 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93, 855 IEEE80211_ELEMID_TIM_BCAST_REQ = 94, 856 IEEE80211_ELEMID_TIM_BCAST_RESP = 95, 857 IEEE80211_ELEMID_TPC = 150, 858 IEEE80211_ELEMID_CCKM = 156, 859 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 860 861 /* 862 * 802.11s IEs 863 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 864 * but they defined a new with id 117 called PEER_MGMT. 865 * NB: complies with open80211 866 */ 867 IEEE80211_ELEMID_MESHCONF = 113, 868 IEEE80211_ELEMID_MESHID = 114, 869 IEEE80211_ELEMID_MESHLINK = 115, 870 IEEE80211_ELEMID_MESHCNGST = 116, 871 IEEE80211_ELEMID_MESHPEER = 117, 872 IEEE80211_ELEMID_MESHCSA = 118, 873 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 874 IEEE80211_ELEMID_MESHAWAKEW = 119, 875 IEEE80211_ELEMID_MESHBEACONT = 120, 876 /* 121-124 MMCAOP not implemented yet */ 877 IEEE80211_ELEMID_MESHGANN = 125, 878 IEEE80211_ELEMID_MESHRANN = 126, 879 /* 127 Extended Capabilities */ 880 IEEE80211_ELEMID_EXTCAP = 127, 881 /* 128-129 reserved */ 882 IEEE80211_ELEMID_MESHPREQ = 130, 883 IEEE80211_ELEMID_MESHPREP = 131, 884 IEEE80211_ELEMID_MESHPERR = 132, 885 /* 133-136 reserved */ 886 IEEE80211_ELEMID_MESHPXU = 137, 887 IEEE80211_ELEMID_MESHPXUC = 138, 888 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 889 890 /* 802.11ac */ 891 IEEE80211_ELEMID_VHT_CAP = 191, 892 IEEE80211_ELEMID_VHT_OPMODE = 192, 893 IEEE80211_ELEMID_VHT_PWR_ENV = 195, 894}; 895 896struct ieee80211_tim_ie { 897 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 898 uint8_t tim_len; 899 uint8_t tim_count; /* DTIM count */ 900 uint8_t tim_period; /* DTIM period */ 901 uint8_t tim_bitctl; /* bitmap control */ 902 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 903} __packed; 904 905struct ieee80211_country_ie { 906 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 907 uint8_t len; 908 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 909 struct { 910 uint8_t schan; /* starting channel */ 911 uint8_t nchan; /* number channels */ 912 uint8_t maxtxpwr; /* tx power cap */ 913 } __packed band[1]; /* sub bands (NB: var size) */ 914} __packed; 915 916#define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 917#define IEEE80211_COUNTRY_MAX_SIZE \ 918 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 919 920struct ieee80211_bss_load_ie { 921 uint8_t ie; 922 uint8_t len; 923 uint16_t sta_count; /* station count */ 924 uint8_t chan_load; /* channel utilization */ 925 uint8_t aac; /* available admission capacity */ 926} __packed; 927 928struct ieee80211_ap_chan_report_ie { 929 uint8_t ie; 930 uint8_t len; 931 uint8_t i_class; /* operating class */ 932 /* Annex E, E.1 Country information and operating classes */ 933 uint8_t chan_list[0]; 934} __packed; 935 936#define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */ 937#define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1) 938#define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */ 939#define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3) 940#define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */ 941#define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5) 942#define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6) 943#define IEEE80211_EXTCAP_EVENT (1ULL << 7) 944#define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8) 945#define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9) 946#define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10) 947#define IEEE80211_EXTCAP_FMS (1ULL << 11) 948#define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12) 949#define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */ 950#define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14) 951#define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15) 952#define IEEE80211_EXTCAP_TFS (1ULL << 16) 953#define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17) 954#define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18) 955#define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19) 956#define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20) 957#define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21) 958#define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */ 959#define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23) 960#define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24) 961#define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25) 962#define IEEE80211_EXTCAP_DMS (1ULL << 26) 963#define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27) 964#define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */ 965#define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */ 966#define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */ 967#define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31) 968#define IEEE80211_EXTCAP_QOSMAP (1ULL << 32) 969#define IEEE80211_EXTCAP_EBR (1ULL << 33) 970#define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34) 971#define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35) 972#define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36) 973#define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37) 974#define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38) 975#define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */ 976#define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */ 977/* service interval granularity */ 978#define IEEE80211_EXTCAP_SIG \ 979 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43)) 980#define IEEE80211_EXTCAP_ID_LOC (1ULL << 44) 981#define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45) 982#define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46) 983#define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47) 984#define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */ 985/* bits 49-n are reserved */ 986 987struct ieee80211_extcap_ie { 988 uint8_t ie; 989 uint8_t len; 990} __packed; 991 992/* 993 * 802.11h Quiet Time Element. 994 */ 995struct ieee80211_quiet_ie { 996 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 997 uint8_t len; 998 uint8_t tbttcount; /* quiet start */ 999 uint8_t period; /* beacon intervals between quiets */ 1000 uint16_t duration; /* TUs of each quiet*/ 1001 uint16_t offset; /* TUs of from TBTT of quiet start */ 1002} __packed; 1003 1004/* 1005 * 802.11h Channel Switch Announcement (CSA). 1006 */ 1007struct ieee80211_csa_ie { 1008 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 1009 uint8_t csa_len; 1010 uint8_t csa_mode; /* Channel Switch Mode */ 1011 uint8_t csa_newchan; /* New Channel Number */ 1012 uint8_t csa_count; /* Channel Switch Count */ 1013} __packed; 1014 1015/* 1016 * Note the min acceptable CSA count is used to guard against 1017 * malicious CSA injection in station mode. Defining this value 1018 * as other than 0 violates the 11h spec. 1019 */ 1020#define IEEE80211_CSA_COUNT_MIN 2 1021#define IEEE80211_CSA_COUNT_MAX 255 1022 1023/* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 1024#define IEEE80211_RATE_BASIC 0x80 1025#define IEEE80211_RATE_VAL 0x7f 1026#define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 1027 1028/* ERP information element flags */ 1029#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 1030#define IEEE80211_ERP_USE_PROTECTION 0x02 1031#define IEEE80211_ERP_LONG_PREAMBLE 0x04 1032 1033#define IEEE80211_ERP_BITS \ 1034 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 1035 1036#define ATH_OUI 0x7f0300 /* Atheros OUI */ 1037#define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 1038 1039/* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 1040#define TDMA_OUI ATH_OUI 1041#define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 1042 1043#define BCM_OUI 0x4c9000 /* Broadcom OUI */ 1044#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 1045#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 1046 1047#define WPA_OUI 0xf25000 1048#define WPA_OUI_TYPE 0x01 1049#define WPA_VERSION 1 /* current supported version */ 1050 1051#define WPA_CSE_NULL 0x00 1052#define WPA_CSE_WEP40 0x01 1053#define WPA_CSE_TKIP 0x02 1054#define WPA_CSE_CCMP 0x04 1055#define WPA_CSE_WEP104 0x05 1056 1057#define WPA_ASE_NONE 0x00 1058#define WPA_ASE_8021X_UNSPEC 0x01 1059#define WPA_ASE_8021X_PSK 0x02 1060 1061#define WPS_OUI_TYPE 0x04 1062 1063#define RSN_OUI 0xac0f00 1064#define RSN_VERSION 1 /* current supported version */ 1065 1066#define RSN_CSE_NULL 0x00 1067#define RSN_CSE_WEP40 0x01 1068#define RSN_CSE_TKIP 0x02 1069#define RSN_CSE_WRAP 0x03 1070#define RSN_CSE_CCMP 0x04 1071#define RSN_CSE_WEP104 0x05 1072 1073#define RSN_ASE_NONE 0x00 1074#define RSN_ASE_8021X_UNSPEC 0x01 1075#define RSN_ASE_8021X_PSK 0x02 1076 1077#define RSN_CAP_PREAUTH 0x01 1078 1079#define WME_OUI 0xf25000 1080#define WME_OUI_TYPE 0x02 1081#define WME_INFO_OUI_SUBTYPE 0x00 1082#define WME_PARAM_OUI_SUBTYPE 0x01 1083#define WME_VERSION 1 1084 1085/* WME stream classes */ 1086#define WME_AC_BE 0 /* best effort */ 1087#define WME_AC_BK 1 /* background */ 1088#define WME_AC_VI 2 /* video */ 1089#define WME_AC_VO 3 /* voice */ 1090 1091/* 1092 * AUTH management packets 1093 * 1094 * octet algo[2] 1095 * octet seq[2] 1096 * octet status[2] 1097 * octet chal.id 1098 * octet chal.length 1099 * octet chal.text[253] NB: 1-253 bytes 1100 */ 1101 1102/* challenge length for shared key auth */ 1103#define IEEE80211_CHALLENGE_LEN 128 1104 1105#define IEEE80211_AUTH_ALG_OPEN 0x0000 1106#define IEEE80211_AUTH_ALG_SHARED 0x0001 1107#define IEEE80211_AUTH_ALG_LEAP 0x0080 1108 1109enum { 1110 IEEE80211_AUTH_OPEN_REQUEST = 1, 1111 IEEE80211_AUTH_OPEN_RESPONSE = 2, 1112}; 1113 1114enum { 1115 IEEE80211_AUTH_SHARED_REQUEST = 1, 1116 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 1117 IEEE80211_AUTH_SHARED_RESPONSE = 3, 1118 IEEE80211_AUTH_SHARED_PASS = 4, 1119}; 1120 1121/* 1122 * Reason and status codes. 1123 * 1124 * Reason codes are used in management frames to indicate why an 1125 * action took place (e.g. on disassociation). Status codes are 1126 * used in management frames to indicate the result of an operation. 1127 * 1128 * Unlisted codes are reserved 1129 */ 1130 1131enum { 1132 IEEE80211_REASON_UNSPECIFIED = 1, 1133 IEEE80211_REASON_AUTH_EXPIRE = 2, 1134 IEEE80211_REASON_AUTH_LEAVE = 3, 1135 IEEE80211_REASON_ASSOC_EXPIRE = 4, 1136 IEEE80211_REASON_ASSOC_TOOMANY = 5, 1137 IEEE80211_REASON_NOT_AUTHED = 6, 1138 IEEE80211_REASON_NOT_ASSOCED = 7, 1139 IEEE80211_REASON_ASSOC_LEAVE = 8, 1140 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 1141 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 1142 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 1143 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 1144 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 1145 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 1146 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 1147 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 1148 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 1149 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 1150 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 1151 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 1152 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 1153 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 1154 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 1155 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 1156 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 1157 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 1158 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 1159 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 1160 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 1161 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 1162 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 1163 1164 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 1165 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 1166 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 1167 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 1168 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 1169 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 1170 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 1171 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 1172 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 1173 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 1174 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 1175 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 1176 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 1177 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 1178 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 1179 1180 IEEE80211_STATUS_SUCCESS = 0, 1181 IEEE80211_STATUS_UNSPECIFIED = 1, 1182 IEEE80211_STATUS_CAPINFO = 10, 1183 IEEE80211_STATUS_NOT_ASSOCED = 11, 1184 IEEE80211_STATUS_OTHER = 12, 1185 IEEE80211_STATUS_ALG = 13, 1186 IEEE80211_STATUS_SEQUENCE = 14, 1187 IEEE80211_STATUS_CHALLENGE = 15, 1188 IEEE80211_STATUS_TIMEOUT = 16, 1189 IEEE80211_STATUS_TOOMANY = 17, 1190 IEEE80211_STATUS_BASIC_RATE = 18, 1191 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 1192 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 1193 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 1194 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 1195 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 1196 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 1197 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 1198 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 1199 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 1200 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 1201 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 1202 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 1203 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 1204 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 1205 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1206 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1207}; 1208 1209#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1210#define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1211#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1212#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1213#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1214 IEEE80211_WEP_KIDLEN + \ 1215 IEEE80211_WEP_CRCLEN) 1216#define IEEE80211_WEP_NKID 4 /* number of key ids */ 1217 1218/* 1219 * 802.11i defines an extended IV for use with non-WEP ciphers. 1220 * When the EXTIV bit is set in the key id byte an additional 1221 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1222 * EXTIV bit is likewise set but the 8 bytes represent the 1223 * CCMP header rather than IV+extended-IV. 1224 */ 1225#define IEEE80211_WEP_EXTIV 0x20 1226#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1227#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1228 1229#define IEEE80211_CRC_LEN 4 1230 1231/* 1232 * Maximum acceptable MTU is: 1233 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1234 * QoS overhead - RSN/WPA overhead 1235 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1236 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1237 */ 1238#define IEEE80211_MTU_MAX 2290 1239#define IEEE80211_MTU_MIN 32 1240 1241#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1242 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1243#define IEEE80211_ACK_LEN \ 1244 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1245#define IEEE80211_MIN_LEN \ 1246 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1247 1248/* 1249 * The 802.11 spec says at most 2007 stations may be 1250 * associated at once. For most AP's this is way more 1251 * than is feasible so we use a default of IEEE80211_AID_DEF. 1252 * This number may be overridden by the driver and/or by 1253 * user configuration but may not be less than IEEE80211_AID_MIN 1254 * (see _ieee80211.h for implementation-specific settings). 1255 */ 1256#define IEEE80211_AID_MAX 2007 1257 1258#define IEEE80211_AID(b) ((b) &~ 0xc000) 1259 1260/* 1261 * RTS frame length parameters. The default is specified in 1262 * the 802.11 spec as 512; we treat it as implementation-dependent 1263 * so it's defined in ieee80211_var.h. The max may be wrong 1264 * for jumbo frames. 1265 */ 1266#define IEEE80211_RTS_MIN 1 1267#define IEEE80211_RTS_MAX 2346 1268 1269/* 1270 * TX fragmentation parameters. As above for RTS, we treat 1271 * default as implementation-dependent so define it elsewhere. 1272 */ 1273#define IEEE80211_FRAG_MIN 256 1274#define IEEE80211_FRAG_MAX 2346 1275 1276/* 1277 * Beacon interval (TU's). Min+max come from WiFi requirements. 1278 * As above, we treat default as implementation-dependent so 1279 * define it elsewhere. 1280 */ 1281#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1282#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1283 1284/* 1285 * DTIM period (beacons). Min+max are not really defined 1286 * by the protocol but we want them publicly visible so 1287 * define them here. 1288 */ 1289#define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1290#define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1291 1292/* 1293 * Beacon miss threshold (beacons). As for DTIM, we define 1294 * them here to be publicly visible. Note the max may be 1295 * clamped depending on device capabilities. 1296 */ 1297#define IEEE80211_HWBMISS_MIN 1 1298#define IEEE80211_HWBMISS_MAX 255 1299 1300/* 1301 * 802.11 frame duration definitions. 1302 */ 1303 1304struct ieee80211_duration { 1305 uint16_t d_rts_dur; 1306 uint16_t d_data_dur; 1307 uint16_t d_plcp_len; 1308 uint8_t d_residue; /* unused octets in time slot */ 1309}; 1310 1311/* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1312#define IEEE80211_DUR_TU 1024 1313 1314/* IEEE 802.11b durations for DSSS PHY in microseconds */ 1315#define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1316#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1317 1318#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1319#define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1320#define IEEE80211_DUR_DS_SLOW_ACK 112 1321#define IEEE80211_DUR_DS_FAST_ACK 56 1322#define IEEE80211_DUR_DS_SLOW_CTS 112 1323#define IEEE80211_DUR_DS_FAST_CTS 56 1324 1325#define IEEE80211_DUR_DS_SLOT 20 1326#define IEEE80211_DUR_DS_SIFS 10 1327#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1328#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1329 2 * IEEE80211_DUR_DS_SLOT) 1330#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1331 IEEE80211_DUR_DS_SLOW_ACK + \ 1332 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1333 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1334 IEEE80211_DUR_DIFS) 1335 1336#endif /* _NET80211_IEEE80211_H_ */ 1337