ieee80211.h revision 288084
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 288084 2015-09-22 02:24:13Z 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_BEACON 0x80 133#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 134#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 135#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 136#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 137#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 138#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 139/* for TYPE_CTL */ 140#define IEEE80211_FC0_SUBTYPE_BAR 0x80 141#define IEEE80211_FC0_SUBTYPE_BA 0x90 142#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 143#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 144#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 145#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 146#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 147#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 148/* for TYPE_DATA (bit combination) */ 149#define IEEE80211_FC0_SUBTYPE_DATA 0x00 150#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 151#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 152#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 153#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 154#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 155#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 156#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 157#define IEEE80211_FC0_SUBTYPE_QOS 0x80 158#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 159 160#define IEEE80211_FC1_DIR_MASK 0x03 161#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 162#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 163#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 164#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 165 166#define IEEE80211_IS_DSTODS(wh) \ 167 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 168 169#define IEEE80211_FC1_MORE_FRAG 0x04 170#define IEEE80211_FC1_RETRY 0x08 171#define IEEE80211_FC1_PWR_MGT 0x10 172#define IEEE80211_FC1_MORE_DATA 0x20 173#define IEEE80211_FC1_PROTECTED 0x40 174#define IEEE80211_FC1_ORDER 0x80 175 176#define IEEE80211_HAS_SEQ(type, subtype) \ 177 ((type) != IEEE80211_FC0_TYPE_CTL && \ 178 !((type) == IEEE80211_FC0_TYPE_DATA && \ 179 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 180 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 181#define IEEE80211_SEQ_FRAG_MASK 0x000f 182#define IEEE80211_SEQ_FRAG_SHIFT 0 183#define IEEE80211_SEQ_SEQ_MASK 0xfff0 184#define IEEE80211_SEQ_SEQ_SHIFT 4 185#define IEEE80211_SEQ_RANGE 4096 186 187#define IEEE80211_SEQ_ADD(seq, incr) \ 188 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 189#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 190#define IEEE80211_SEQ_SUB(a, b) \ 191 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 192 193#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 194#define IEEE80211_SEQ_BA_BEFORE(a, b) \ 195 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 196 197#define IEEE80211_NWID_LEN 32 198#define IEEE80211_MESHID_LEN 32 199 200#define IEEE80211_QOS_TXOP 0x00ff 201/* bit 8 is reserved */ 202#define IEEE80211_QOS_AMSDU 0x80 203#define IEEE80211_QOS_AMSDU_S 7 204#define IEEE80211_QOS_ACKPOLICY 0x60 205#define IEEE80211_QOS_ACKPOLICY_S 5 206#define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 207#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 208#define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 209#define IEEE80211_QOS_EOSP_S 4 210#define IEEE80211_QOS_TID 0x0f 211/* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 212#define IEEE80211_QOS_MC 0x01 /* Mesh control */ 213/* Mesh power save level*/ 214#define IEEE80211_QOS_MESH_PSL 0x02 215/* Mesh Receiver Service Period Initiated */ 216#define IEEE80211_QOS_RSPI 0x04 217/* bits 11 to 15 reserved */ 218 219/* does frame have QoS sequence control data */ 220#define IEEE80211_QOS_HAS_SEQ(wh) \ 221 (((wh)->i_fc[0] & \ 222 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 223 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 224 225/* 226 * WME/802.11e information element. 227 */ 228struct ieee80211_wme_info { 229 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 230 uint8_t wme_len; /* length in bytes */ 231 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 232 uint8_t wme_type; /* OUI type */ 233 uint8_t wme_subtype; /* OUI subtype */ 234 uint8_t wme_version; /* spec revision */ 235 uint8_t wme_info; /* QoS info */ 236} __packed; 237 238/* 239 * WME/802.11e Tspec Element 240 */ 241struct ieee80211_wme_tspec { 242 uint8_t ts_id; 243 uint8_t ts_len; 244 uint8_t ts_oui[3]; 245 uint8_t ts_oui_type; 246 uint8_t ts_oui_subtype; 247 uint8_t ts_version; 248 uint8_t ts_tsinfo[3]; 249 uint8_t ts_nom_msdu[2]; 250 uint8_t ts_max_msdu[2]; 251 uint8_t ts_min_svc[4]; 252 uint8_t ts_max_svc[4]; 253 uint8_t ts_inactv_intv[4]; 254 uint8_t ts_susp_intv[4]; 255 uint8_t ts_start_svc[4]; 256 uint8_t ts_min_rate[4]; 257 uint8_t ts_mean_rate[4]; 258 uint8_t ts_max_burst[4]; 259 uint8_t ts_min_phy[4]; 260 uint8_t ts_peak_rate[4]; 261 uint8_t ts_delay[4]; 262 uint8_t ts_surplus[2]; 263 uint8_t ts_medium_time[2]; 264} __packed; 265 266/* 267 * WME AC parameter field 268 */ 269struct ieee80211_wme_acparams { 270 uint8_t acp_aci_aifsn; 271 uint8_t acp_logcwminmax; 272 uint16_t acp_txop; 273} __packed; 274 275#define WME_NUM_AC 4 /* 4 AC categories */ 276#define WME_NUM_TID 16 /* 16 tids */ 277 278#define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 279#define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 280#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 281#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 282#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 283#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 284#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 285#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 286#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 287#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 288 289#define WME_AC_TO_TID(_ac) ( \ 290 ((_ac) == WME_AC_VO) ? 6 : \ 291 ((_ac) == WME_AC_VI) ? 5 : \ 292 ((_ac) == WME_AC_BK) ? 1 : \ 293 0) 294 295#define TID_TO_WME_AC(_tid) ( \ 296 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 297 ((_tid) < 3) ? WME_AC_BK : \ 298 ((_tid) < 6) ? WME_AC_VI : \ 299 WME_AC_VO) 300 301/* 302 * WME Parameter Element 303 */ 304struct ieee80211_wme_param { 305 uint8_t param_id; 306 uint8_t param_len; 307 uint8_t param_oui[3]; 308 uint8_t param_oui_type; 309 uint8_t param_oui_subtype; 310 uint8_t param_version; 311 uint8_t param_qosInfo; 312#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 313 uint8_t param_reserved; 314 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 315} __packed; 316 317/* 318 * Management Notification Frame 319 */ 320struct ieee80211_mnf { 321 uint8_t mnf_category; 322 uint8_t mnf_action; 323 uint8_t mnf_dialog; 324 uint8_t mnf_status; 325} __packed; 326#define MNF_SETUP_REQ 0 327#define MNF_SETUP_RESP 1 328#define MNF_TEARDOWN 2 329 330/* 331 * 802.11n Management Action Frames 332 */ 333/* generic frame format */ 334struct ieee80211_action { 335 uint8_t ia_category; 336 uint8_t ia_action; 337} __packed; 338 339#define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 340#define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 341#define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 342#define IEEE80211_ACTION_CAT_BA 3 /* BA */ 343#define IEEE80211_ACTION_CAT_HT 7 /* HT */ 344#define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 345#define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 346/* 16 - 125 reserved */ 347#define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 348 349#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 350#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 351 352/* HT - recommended transmission channel width */ 353struct ieee80211_action_ht_txchwidth { 354 struct ieee80211_action at_header; 355 uint8_t at_chwidth; 356} __packed; 357 358#define IEEE80211_A_HT_TXCHWIDTH_20 0 359#define IEEE80211_A_HT_TXCHWIDTH_2040 1 360 361/* HT - MIMO Power Save (NB: D2.04) */ 362struct ieee80211_action_ht_mimopowersave { 363 struct ieee80211_action am_header; 364 uint8_t am_control; 365} __packed; 366 367#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 368#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 369#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 370#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 371#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 372/* bits 2-7 reserved */ 373 374/* Block Ack actions */ 375#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 376#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 377#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 378 379/* Block Ack Parameter Set */ 380#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 381#define IEEE80211_BAPS_BUFSIZ_S 6 382#define IEEE80211_BAPS_TID 0x003c /* TID */ 383#define IEEE80211_BAPS_TID_S 2 384#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 385#define IEEE80211_BAPS_POLICY_S 1 386 387#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 388#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 389 390/* Block Ack Sequence Control */ 391#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 392#define IEEE80211_BASEQ_START_S 4 393#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 394#define IEEE80211_BASEQ_FRAG_S 0 395 396/* Delayed Block Ack Parameter Set */ 397#define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 398#define IEEE80211_DELBAPS_TID_S 12 399#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 400#define IEEE80211_DELBAPS_INIT_S 11 401 402/* BA - ADDBA request */ 403struct ieee80211_action_ba_addbarequest { 404 struct ieee80211_action rq_header; 405 uint8_t rq_dialogtoken; 406 uint16_t rq_baparamset; 407 uint16_t rq_batimeout; /* in TUs */ 408 uint16_t rq_baseqctl; 409} __packed; 410 411/* BA - ADDBA response */ 412struct ieee80211_action_ba_addbaresponse { 413 struct ieee80211_action rs_header; 414 uint8_t rs_dialogtoken; 415 uint16_t rs_statuscode; 416 uint16_t rs_baparamset; 417 uint16_t rs_batimeout; /* in TUs */ 418} __packed; 419 420/* BA - DELBA */ 421struct ieee80211_action_ba_delba { 422 struct ieee80211_action dl_header; 423 uint16_t dl_baparamset; 424 uint16_t dl_reasoncode; 425} __packed; 426 427/* BAR Control */ 428#define IEEE80211_BAR_TID 0xf000 /* TID */ 429#define IEEE80211_BAR_TID_S 12 430#define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 431#define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 432#define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 433 434/* BAR Starting Sequence Control */ 435#define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 436#define IEEE80211_BAR_SEQ_START_S 4 437 438struct ieee80211_ba_request { 439 uint16_t rq_barctl; 440 uint16_t rq_barseqctl; 441} __packed; 442 443/* 444 * Control frames. 445 */ 446struct ieee80211_frame_min { 447 uint8_t i_fc[2]; 448 uint8_t i_dur[2]; 449 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 450 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 451 /* FCS */ 452} __packed; 453 454struct ieee80211_frame_rts { 455 uint8_t i_fc[2]; 456 uint8_t i_dur[2]; 457 uint8_t i_ra[IEEE80211_ADDR_LEN]; 458 uint8_t i_ta[IEEE80211_ADDR_LEN]; 459 /* FCS */ 460} __packed; 461 462struct ieee80211_frame_cts { 463 uint8_t i_fc[2]; 464 uint8_t i_dur[2]; 465 uint8_t i_ra[IEEE80211_ADDR_LEN]; 466 /* FCS */ 467} __packed; 468 469struct ieee80211_frame_ack { 470 uint8_t i_fc[2]; 471 uint8_t i_dur[2]; 472 uint8_t i_ra[IEEE80211_ADDR_LEN]; 473 /* FCS */ 474} __packed; 475 476struct ieee80211_frame_pspoll { 477 uint8_t i_fc[2]; 478 uint8_t i_aid[2]; 479 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 480 uint8_t i_ta[IEEE80211_ADDR_LEN]; 481 /* FCS */ 482} __packed; 483 484struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 485 uint8_t i_fc[2]; 486 uint8_t i_dur[2]; /* should be zero */ 487 uint8_t i_ra[IEEE80211_ADDR_LEN]; 488 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 489 /* FCS */ 490} __packed; 491 492struct ieee80211_frame_bar { 493 uint8_t i_fc[2]; 494 uint8_t i_dur[2]; 495 uint8_t i_ra[IEEE80211_ADDR_LEN]; 496 uint8_t i_ta[IEEE80211_ADDR_LEN]; 497 uint16_t i_ctl; 498 uint16_t i_seq; 499 /* FCS */ 500} __packed; 501 502/* 503 * BEACON management packets 504 * 505 * octet timestamp[8] 506 * octet beacon interval[2] 507 * octet capability information[2] 508 * information element 509 * octet elemid 510 * octet length 511 * octet information[length] 512 */ 513 514#define IEEE80211_BEACON_INTERVAL(beacon) \ 515 ((beacon)[8] | ((beacon)[9] << 8)) 516#define IEEE80211_BEACON_CAPABILITY(beacon) \ 517 ((beacon)[10] | ((beacon)[11] << 8)) 518 519#define IEEE80211_CAPINFO_ESS 0x0001 520#define IEEE80211_CAPINFO_IBSS 0x0002 521#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 522#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 523#define IEEE80211_CAPINFO_PRIVACY 0x0010 524#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 525#define IEEE80211_CAPINFO_PBCC 0x0040 526#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 527#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 528/* bit 9 is reserved */ 529#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 530#define IEEE80211_CAPINFO_RSN 0x0800 531/* bit 12 is reserved */ 532#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 533/* bits 14-15 are reserved */ 534 535#define IEEE80211_CAPINFO_BITS \ 536 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 537 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 538 "\16DSSOFDM" 539 540/* 541 * 802.11i/WPA information element (maximally sized). 542 */ 543struct ieee80211_ie_wpa { 544 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 545 uint8_t wpa_len; /* length in bytes */ 546 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 547 uint8_t wpa_type; /* OUI type */ 548 uint16_t wpa_version; /* spec revision */ 549 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 550 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 551 uint32_t wpa_uciphers[8];/* ciphers */ 552 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 553 uint32_t wpa_authsels[8];/* selectors */ 554 uint16_t wpa_caps; /* 802.11i capabilities */ 555 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 556 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 557} __packed; 558 559/* 560 * 802.11n HT Capability IE 561 * NB: these reflect D1.10 562 */ 563struct ieee80211_ie_htcap { 564 uint8_t hc_id; /* element ID */ 565 uint8_t hc_len; /* length in bytes */ 566 uint16_t hc_cap; /* HT caps (see below) */ 567 uint8_t hc_param; /* HT params (see below) */ 568 uint8_t hc_mcsset[16]; /* supported MCS set */ 569 uint16_t hc_extcap; /* extended HT capabilities */ 570 uint32_t hc_txbf; /* txbf capabilities */ 571 uint8_t hc_antenna; /* antenna capabilities */ 572} __packed; 573 574/* HT capability flags (ht_cap) */ 575#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ 576#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 577#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 578#define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 579#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 580/* NB: SMPS value 2 is reserved */ 581#define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 582#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 583#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 584#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 585#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 586#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 587#define IEEE80211_HTCAP_RXSTBC_S 8 588#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 589#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 590#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 591#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 592#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 593#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 594#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 595#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 596#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 597#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 598#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 599 600#define IEEE80211_HTCAP_BITS \ 601 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 602 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 603 "\20LSIGTXOPPROT" 604 605/* HT parameters (hc_param) */ 606#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 607#define IEEE80211_HTCAP_MAXRXAMPDU_S 0 608#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 609#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 610#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 611#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 612#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 613#define IEEE80211_HTCAP_MPDUDENSITY_S 2 614#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 615#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 616#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 617#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 618#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 619#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 620#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 621#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 622 623/* HT extended capabilities (hc_extcap) */ 624#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 625#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 626#define IEEE80211_HTCAP_PCOTRANS_S 1 627#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 628#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 629#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 630/* bits 3-7 reserved */ 631#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 632#define IEEE80211_HTCAP_MCSFBACK_S 8 633#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 634#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 635#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 636#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 637#define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 638/* bits 12-15 reserved */ 639 640/* 641 * 802.11n HT Information IE 642 */ 643struct ieee80211_ie_htinfo { 644 uint8_t hi_id; /* element ID */ 645 uint8_t hi_len; /* length in bytes */ 646 uint8_t hi_ctrlchannel; /* primary channel */ 647 uint8_t hi_byte1; /* ht ie byte 1 */ 648 uint8_t hi_byte2; /* ht ie byte 2 */ 649 uint8_t hi_byte3; /* ht ie byte 3 */ 650 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 651 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 652} __packed; 653 654/* byte1 */ 655#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 656#define IEEE80211_HTINFO_2NDCHAN_S 0 657#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 658#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 659/* NB: 2 is reserved */ 660#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 661#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 662#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 663#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 664#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 665#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 666#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 667#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 668#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 669#define IEEE80211_HTINFO_SIGRAN_S 5 670#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 671/* XXX add rest */ 672 673/* bytes 2+3 */ 674#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 675#define IEEE80211_HTINFO_OPMODE_S 0 676#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 677#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 678#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 679#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 680#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 681#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 682#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 683/* bits 5-15 reserved */ 684 685/* bytes 4+5 */ 686#define IEEE80211_HTINFO_2NDARYBEACON 0x01 687#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 688#define IEEE80211_HTINFO_PCO_ACTIVE 0x04 689#define IEEE80211_HTINFO_40MHZPHASE 0x08 690 691/* byte5 */ 692#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 693#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 694#define IEEE80211_HTINFO_DUALPROTECTED 0x80 695 696/* 697 * Management information element payloads. 698 */ 699 700enum { 701 IEEE80211_ELEMID_SSID = 0, 702 IEEE80211_ELEMID_RATES = 1, 703 IEEE80211_ELEMID_FHPARMS = 2, 704 IEEE80211_ELEMID_DSPARMS = 3, 705 IEEE80211_ELEMID_CFPARMS = 4, 706 IEEE80211_ELEMID_TIM = 5, 707 IEEE80211_ELEMID_IBSSPARMS = 6, 708 IEEE80211_ELEMID_COUNTRY = 7, 709 IEEE80211_ELEMID_CHALLENGE = 16, 710 /* 17-31 reserved for challenge text extension */ 711 IEEE80211_ELEMID_PWRCNSTR = 32, 712 IEEE80211_ELEMID_PWRCAP = 33, 713 IEEE80211_ELEMID_TPCREQ = 34, 714 IEEE80211_ELEMID_TPCREP = 35, 715 IEEE80211_ELEMID_SUPPCHAN = 36, 716 IEEE80211_ELEMID_CSA = 37, 717 IEEE80211_ELEMID_MEASREQ = 38, 718 IEEE80211_ELEMID_MEASREP = 39, 719 IEEE80211_ELEMID_QUIET = 40, 720 IEEE80211_ELEMID_IBSSDFS = 41, 721 IEEE80211_ELEMID_ERP = 42, 722 IEEE80211_ELEMID_HTCAP = 45, 723 IEEE80211_ELEMID_QOS = 46, 724 IEEE80211_ELEMID_RSN = 48, 725 IEEE80211_ELEMID_XRATES = 50, 726 IEEE80211_ELEMID_HTINFO = 61, 727 IEEE80211_ELEMID_TPC = 150, 728 IEEE80211_ELEMID_CCKM = 156, 729 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 730 731 /* 732 * 802.11s IEs 733 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 734 * but they defined a new with id 117 called PEER_MGMT. 735 * NB: complies with open80211 736 */ 737 IEEE80211_ELEMID_MESHCONF = 113, 738 IEEE80211_ELEMID_MESHID = 114, 739 IEEE80211_ELEMID_MESHLINK = 115, 740 IEEE80211_ELEMID_MESHCNGST = 116, 741 IEEE80211_ELEMID_MESHPEER = 117, 742 IEEE80211_ELEMID_MESHCSA = 118, 743 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 744 IEEE80211_ELEMID_MESHAWAKEW = 119, 745 IEEE80211_ELEMID_MESHBEACONT = 120, 746 /* 121-124 MMCAOP not implemented yet */ 747 IEEE80211_ELEMID_MESHGANN = 125, 748 IEEE80211_ELEMID_MESHRANN = 126, 749 /* 127 Extended Capabilities */ 750 /* 128-129 reserved */ 751 IEEE80211_ELEMID_MESHPREQ = 130, 752 IEEE80211_ELEMID_MESHPREP = 131, 753 IEEE80211_ELEMID_MESHPERR = 132, 754 /* 133-136 reserved */ 755 IEEE80211_ELEMID_MESHPXU = 137, 756 IEEE80211_ELEMID_MESHPXUC = 138, 757 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 758}; 759 760struct ieee80211_tim_ie { 761 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 762 uint8_t tim_len; 763 uint8_t tim_count; /* DTIM count */ 764 uint8_t tim_period; /* DTIM period */ 765 uint8_t tim_bitctl; /* bitmap control */ 766 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 767} __packed; 768 769struct ieee80211_country_ie { 770 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 771 uint8_t len; 772 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 773 struct { 774 uint8_t schan; /* starting channel */ 775 uint8_t nchan; /* number channels */ 776 uint8_t maxtxpwr; /* tx power cap */ 777 } __packed band[1]; /* sub bands (NB: var size) */ 778} __packed; 779 780#define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 781#define IEEE80211_COUNTRY_MAX_SIZE \ 782 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 783 784/* 785 * 802.11h Quiet Time Element. 786 */ 787struct ieee80211_quiet_ie { 788 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 789 uint8_t len; 790 uint8_t tbttcount; /* quiet start */ 791 uint8_t period; /* beacon intervals between quiets */ 792 uint16_t duration; /* TUs of each quiet*/ 793 uint16_t offset; /* TUs of from TBTT of quiet start */ 794} __packed; 795 796/* 797 * 802.11h Channel Switch Announcement (CSA). 798 */ 799struct ieee80211_csa_ie { 800 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 801 uint8_t csa_len; 802 uint8_t csa_mode; /* Channel Switch Mode */ 803 uint8_t csa_newchan; /* New Channel Number */ 804 uint8_t csa_count; /* Channel Switch Count */ 805} __packed; 806 807/* 808 * Note the min acceptable CSA count is used to guard against 809 * malicious CSA injection in station mode. Defining this value 810 * as other than 0 violates the 11h spec. 811 */ 812#define IEEE80211_CSA_COUNT_MIN 2 813#define IEEE80211_CSA_COUNT_MAX 255 814 815/* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 816#define IEEE80211_RATE_BASIC 0x80 817#define IEEE80211_RATE_VAL 0x7f 818#define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 819 820/* ERP information element flags */ 821#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 822#define IEEE80211_ERP_USE_PROTECTION 0x02 823#define IEEE80211_ERP_LONG_PREAMBLE 0x04 824 825#define IEEE80211_ERP_BITS \ 826 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 827 828#define ATH_OUI 0x7f0300 /* Atheros OUI */ 829#define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 830 831/* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 832#define TDMA_OUI ATH_OUI 833#define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 834 835#define BCM_OUI 0x4c9000 /* Broadcom OUI */ 836#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 837#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 838 839#define WPA_OUI 0xf25000 840#define WPA_OUI_TYPE 0x01 841#define WPA_VERSION 1 /* current supported version */ 842 843#define WPA_CSE_NULL 0x00 844#define WPA_CSE_WEP40 0x01 845#define WPA_CSE_TKIP 0x02 846#define WPA_CSE_CCMP 0x04 847#define WPA_CSE_WEP104 0x05 848 849#define WPA_ASE_NONE 0x00 850#define WPA_ASE_8021X_UNSPEC 0x01 851#define WPA_ASE_8021X_PSK 0x02 852 853#define WPS_OUI_TYPE 0x04 854 855#define RSN_OUI 0xac0f00 856#define RSN_VERSION 1 /* current supported version */ 857 858#define RSN_CSE_NULL 0x00 859#define RSN_CSE_WEP40 0x01 860#define RSN_CSE_TKIP 0x02 861#define RSN_CSE_WRAP 0x03 862#define RSN_CSE_CCMP 0x04 863#define RSN_CSE_WEP104 0x05 864 865#define RSN_ASE_NONE 0x00 866#define RSN_ASE_8021X_UNSPEC 0x01 867#define RSN_ASE_8021X_PSK 0x02 868 869#define RSN_CAP_PREAUTH 0x01 870 871#define WME_OUI 0xf25000 872#define WME_OUI_TYPE 0x02 873#define WME_INFO_OUI_SUBTYPE 0x00 874#define WME_PARAM_OUI_SUBTYPE 0x01 875#define WME_VERSION 1 876 877/* WME stream classes */ 878#define WME_AC_BE 0 /* best effort */ 879#define WME_AC_BK 1 /* background */ 880#define WME_AC_VI 2 /* video */ 881#define WME_AC_VO 3 /* voice */ 882 883/* 884 * AUTH management packets 885 * 886 * octet algo[2] 887 * octet seq[2] 888 * octet status[2] 889 * octet chal.id 890 * octet chal.length 891 * octet chal.text[253] NB: 1-253 bytes 892 */ 893 894/* challenge length for shared key auth */ 895#define IEEE80211_CHALLENGE_LEN 128 896 897#define IEEE80211_AUTH_ALG_OPEN 0x0000 898#define IEEE80211_AUTH_ALG_SHARED 0x0001 899#define IEEE80211_AUTH_ALG_LEAP 0x0080 900 901enum { 902 IEEE80211_AUTH_OPEN_REQUEST = 1, 903 IEEE80211_AUTH_OPEN_RESPONSE = 2, 904}; 905 906enum { 907 IEEE80211_AUTH_SHARED_REQUEST = 1, 908 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 909 IEEE80211_AUTH_SHARED_RESPONSE = 3, 910 IEEE80211_AUTH_SHARED_PASS = 4, 911}; 912 913/* 914 * Reason and status codes. 915 * 916 * Reason codes are used in management frames to indicate why an 917 * action took place (e.g. on disassociation). Status codes are 918 * used in management frames to indicate the result of an operation. 919 * 920 * Unlisted codes are reserved 921 */ 922 923enum { 924 IEEE80211_REASON_UNSPECIFIED = 1, 925 IEEE80211_REASON_AUTH_EXPIRE = 2, 926 IEEE80211_REASON_AUTH_LEAVE = 3, 927 IEEE80211_REASON_ASSOC_EXPIRE = 4, 928 IEEE80211_REASON_ASSOC_TOOMANY = 5, 929 IEEE80211_REASON_NOT_AUTHED = 6, 930 IEEE80211_REASON_NOT_ASSOCED = 7, 931 IEEE80211_REASON_ASSOC_LEAVE = 8, 932 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 933 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 934 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 935 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 936 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 937 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 938 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 939 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 940 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 941 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 942 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 943 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 944 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 945 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 946 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 947 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 948 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 949 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 950 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 951 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 952 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 953 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 954 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 955 956 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 957 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 958 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 959 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 960 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 961 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 962 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 963 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 964 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 965 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 966 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 967 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 968 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 969 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 970 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 971 972 IEEE80211_STATUS_SUCCESS = 0, 973 IEEE80211_STATUS_UNSPECIFIED = 1, 974 IEEE80211_STATUS_CAPINFO = 10, 975 IEEE80211_STATUS_NOT_ASSOCED = 11, 976 IEEE80211_STATUS_OTHER = 12, 977 IEEE80211_STATUS_ALG = 13, 978 IEEE80211_STATUS_SEQUENCE = 14, 979 IEEE80211_STATUS_CHALLENGE = 15, 980 IEEE80211_STATUS_TIMEOUT = 16, 981 IEEE80211_STATUS_TOOMANY = 17, 982 IEEE80211_STATUS_BASIC_RATE = 18, 983 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 984 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 985 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 986 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 987 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 988 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 989 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 990 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 991 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 992 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 993 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 994 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 995 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 996 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 997 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 998 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 999}; 1000 1001#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1002#define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1003#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1004#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1005#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1006 IEEE80211_WEP_KIDLEN + \ 1007 IEEE80211_WEP_CRCLEN) 1008#define IEEE80211_WEP_NKID 4 /* number of key ids */ 1009 1010/* 1011 * 802.11i defines an extended IV for use with non-WEP ciphers. 1012 * When the EXTIV bit is set in the key id byte an additional 1013 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1014 * EXTIV bit is likewise set but the 8 bytes represent the 1015 * CCMP header rather than IV+extended-IV. 1016 */ 1017#define IEEE80211_WEP_EXTIV 0x20 1018#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1019#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1020 1021#define IEEE80211_CRC_LEN 4 1022 1023/* 1024 * Maximum acceptable MTU is: 1025 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1026 * QoS overhead - RSN/WPA overhead 1027 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1028 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1029 */ 1030#define IEEE80211_MTU_MAX 2290 1031#define IEEE80211_MTU_MIN 32 1032 1033#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1034 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1035#define IEEE80211_ACK_LEN \ 1036 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1037#define IEEE80211_MIN_LEN \ 1038 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1039 1040/* 1041 * The 802.11 spec says at most 2007 stations may be 1042 * associated at once. For most AP's this is way more 1043 * than is feasible so we use a default of IEEE80211_AID_DEF. 1044 * This number may be overridden by the driver and/or by 1045 * user configuration but may not be less than IEEE80211_AID_MIN 1046 * (see _ieee80211.h for implementation-specific settings). 1047 */ 1048#define IEEE80211_AID_MAX 2007 1049 1050#define IEEE80211_AID(b) ((b) &~ 0xc000) 1051 1052/* 1053 * RTS frame length parameters. The default is specified in 1054 * the 802.11 spec as 512; we treat it as implementation-dependent 1055 * so it's defined in ieee80211_var.h. The max may be wrong 1056 * for jumbo frames. 1057 */ 1058#define IEEE80211_RTS_MIN 1 1059#define IEEE80211_RTS_MAX 2346 1060 1061/* 1062 * TX fragmentation parameters. As above for RTS, we treat 1063 * default as implementation-dependent so define it elsewhere. 1064 */ 1065#define IEEE80211_FRAG_MIN 256 1066#define IEEE80211_FRAG_MAX 2346 1067 1068/* 1069 * Beacon interval (TU's). Min+max come from WiFi requirements. 1070 * As above, we treat default as implementation-dependent so 1071 * define it elsewhere. 1072 */ 1073#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1074#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1075 1076/* 1077 * DTIM period (beacons). Min+max are not really defined 1078 * by the protocol but we want them publicly visible so 1079 * define them here. 1080 */ 1081#define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1082#define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1083 1084/* 1085 * Beacon miss threshold (beacons). As for DTIM, we define 1086 * them here to be publicly visible. Note the max may be 1087 * clamped depending on device capabilities. 1088 */ 1089#define IEEE80211_HWBMISS_MIN 1 1090#define IEEE80211_HWBMISS_MAX 255 1091 1092/* 1093 * 802.11 frame duration definitions. 1094 */ 1095 1096struct ieee80211_duration { 1097 uint16_t d_rts_dur; 1098 uint16_t d_data_dur; 1099 uint16_t d_plcp_len; 1100 uint8_t d_residue; /* unused octets in time slot */ 1101}; 1102 1103/* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1104#define IEEE80211_DUR_TU 1024 1105 1106/* IEEE 802.11b durations for DSSS PHY in microseconds */ 1107#define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1108#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1109 1110#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1111#define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1112#define IEEE80211_DUR_DS_SLOW_ACK 112 1113#define IEEE80211_DUR_DS_FAST_ACK 56 1114#define IEEE80211_DUR_DS_SLOW_CTS 112 1115#define IEEE80211_DUR_DS_FAST_CTS 56 1116 1117#define IEEE80211_DUR_DS_SLOT 20 1118#define IEEE80211_DUR_DS_SIFS 10 1119#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1120#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1121 2 * IEEE80211_DUR_DS_SLOT) 1122#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1123 IEEE80211_DUR_DS_SLOW_ACK + \ 1124 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1125 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1126 IEEE80211_DUR_DIFS) 1127 1128#endif /* _NET80211_IEEE80211_H_ */ 1129