ieee80211.h revision 253639
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 253639 2013-07-25 06:23:26Z rpaulo $ 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 39typedef uint16_t ieee80211_seq; 40 41/* IEEE 802.11 PLCP header */ 42struct ieee80211_plcp_hdr { 43 uint16_t i_sfd; 44 uint8_t i_signal; 45 uint8_t i_service; 46 uint16_t i_length; 47 uint16_t i_crc; 48} __packed; 49 50#define IEEE80211_PLCP_SFD 0xF3A0 51#define IEEE80211_PLCP_SERVICE 0x00 52#define IEEE80211_PLCP_SERVICE_LOCKED 0x04 53#define IEEE80211_PLCL_SERVICE_PBCC 0x08 54#define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 55#define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 56#define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 57 58/* 59 * generic definitions for IEEE 802.11 frames 60 */ 61struct ieee80211_frame { 62 uint8_t i_fc[2]; 63 uint8_t i_dur[2]; 64 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 65 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 66 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 67 uint8_t i_seq[2]; 68 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 69 /* see below */ 70} __packed; 71 72struct ieee80211_qosframe { 73 uint8_t i_fc[2]; 74 uint8_t i_dur[2]; 75 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 76 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 77 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 78 uint8_t i_seq[2]; 79 uint8_t i_qos[2]; 80 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 81 /* see below */ 82} __packed; 83 84struct ieee80211_qoscntl { 85 uint8_t i_qos[2]; 86}; 87 88struct ieee80211_frame_addr4 { 89 uint8_t i_fc[2]; 90 uint8_t i_dur[2]; 91 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 92 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 93 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 94 uint8_t i_seq[2]; 95 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 96} __packed; 97 98 99struct ieee80211_qosframe_addr4 { 100 uint8_t i_fc[2]; 101 uint8_t i_dur[2]; 102 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 103 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 104 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 105 uint8_t i_seq[2]; 106 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 107 uint8_t i_qos[2]; 108} __packed; 109 110#define IEEE80211_FC0_VERSION_MASK 0x03 111#define IEEE80211_FC0_VERSION_SHIFT 0 112#define IEEE80211_FC0_VERSION_0 0x00 113#define IEEE80211_FC0_TYPE_MASK 0x0c 114#define IEEE80211_FC0_TYPE_SHIFT 2 115#define IEEE80211_FC0_TYPE_MGT 0x00 116#define IEEE80211_FC0_TYPE_CTL 0x04 117#define IEEE80211_FC0_TYPE_DATA 0x08 118 119#define IEEE80211_FC0_SUBTYPE_MASK 0xf0 120#define IEEE80211_FC0_SUBTYPE_SHIFT 4 121/* for TYPE_MGT */ 122#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 123#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 124#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 125#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 126#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 127#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 128#define IEEE80211_FC0_SUBTYPE_BEACON 0x80 129#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 130#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 131#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 132#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 133#define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 134#define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 135/* for TYPE_CTL */ 136#define IEEE80211_FC0_SUBTYPE_BAR 0x80 137#define IEEE80211_FC0_SUBTYPE_BA 0x90 138#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 139#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 140#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 141#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 142#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 143#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 144/* for TYPE_DATA (bit combination) */ 145#define IEEE80211_FC0_SUBTYPE_DATA 0x00 146#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 147#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 148#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 149#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 150#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 151#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 152#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 153#define IEEE80211_FC0_SUBTYPE_QOS 0x80 154#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 155 156#define IEEE80211_FC1_DIR_MASK 0x03 157#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 158#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 159#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 160#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 161 162#define IEEE80211_IS_DSTODS(wh) \ 163 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 164 165#define IEEE80211_FC1_MORE_FRAG 0x04 166#define IEEE80211_FC1_RETRY 0x08 167#define IEEE80211_FC1_PWR_MGT 0x10 168#define IEEE80211_FC1_MORE_DATA 0x20 169#define IEEE80211_FC1_WEP 0x40 170#define IEEE80211_FC1_ORDER 0x80 171 172#define IEEE80211_SEQ_FRAG_MASK 0x000f 173#define IEEE80211_SEQ_FRAG_SHIFT 0 174#define IEEE80211_SEQ_SEQ_MASK 0xfff0 175#define IEEE80211_SEQ_SEQ_SHIFT 4 176#define IEEE80211_SEQ_RANGE 4096 177 178#define IEEE80211_SEQ_ADD(seq, incr) \ 179 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 180#define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 181#define IEEE80211_SEQ_SUB(a, b) \ 182 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 183 184#define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 185#define IEEE80211_SEQ_BA_BEFORE(a, b) \ 186 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 187 188#define IEEE80211_NWID_LEN 32 189#define IEEE80211_MESHID_LEN 32 190 191#define IEEE80211_QOS_TXOP 0x00ff 192/* bit 8 is reserved */ 193#define IEEE80211_QOS_AMSDU 0x80 194#define IEEE80211_QOS_AMSDU_S 7 195#define IEEE80211_QOS_ACKPOLICY 0x60 196#define IEEE80211_QOS_ACKPOLICY_S 5 197#define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 198#define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 199#define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 200#define IEEE80211_QOS_EOSP_S 4 201#define IEEE80211_QOS_TID 0x0f 202/* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 203#define IEEE80211_QOS_MC 0x01 /* Mesh control */ 204/* Mesh power save level*/ 205#define IEEE80211_QOS_MESH_PSL 0x02 206/* Mesh Receiver Service Period Initiated */ 207#define IEEE80211_QOS_RSPI 0x04 208/* bits 11 to 15 reserved */ 209 210/* does frame have QoS sequence control data */ 211#define IEEE80211_QOS_HAS_SEQ(wh) \ 212 (((wh)->i_fc[0] & \ 213 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 214 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 215 216/* 217 * WME/802.11e information element. 218 */ 219struct ieee80211_wme_info { 220 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 221 uint8_t wme_len; /* length in bytes */ 222 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 223 uint8_t wme_type; /* OUI type */ 224 uint8_t wme_subtype; /* OUI subtype */ 225 uint8_t wme_version; /* spec revision */ 226 uint8_t wme_info; /* QoS info */ 227} __packed; 228 229/* 230 * WME/802.11e Tspec Element 231 */ 232struct ieee80211_wme_tspec { 233 uint8_t ts_id; 234 uint8_t ts_len; 235 uint8_t ts_oui[3]; 236 uint8_t ts_oui_type; 237 uint8_t ts_oui_subtype; 238 uint8_t ts_version; 239 uint8_t ts_tsinfo[3]; 240 uint8_t ts_nom_msdu[2]; 241 uint8_t ts_max_msdu[2]; 242 uint8_t ts_min_svc[4]; 243 uint8_t ts_max_svc[4]; 244 uint8_t ts_inactv_intv[4]; 245 uint8_t ts_susp_intv[4]; 246 uint8_t ts_start_svc[4]; 247 uint8_t ts_min_rate[4]; 248 uint8_t ts_mean_rate[4]; 249 uint8_t ts_max_burst[4]; 250 uint8_t ts_min_phy[4]; 251 uint8_t ts_peak_rate[4]; 252 uint8_t ts_delay[4]; 253 uint8_t ts_surplus[2]; 254 uint8_t ts_medium_time[2]; 255} __packed; 256 257/* 258 * WME AC parameter field 259 */ 260struct ieee80211_wme_acparams { 261 uint8_t acp_aci_aifsn; 262 uint8_t acp_logcwminmax; 263 uint16_t acp_txop; 264} __packed; 265 266#define WME_NUM_AC 4 /* 4 AC categories */ 267#define WME_NUM_TID 16 /* 16 tids */ 268 269#define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 270#define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 271#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 272#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 273#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 274#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 275#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 276#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 277#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 278#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 279 280#define WME_AC_TO_TID(_ac) ( \ 281 ((_ac) == WME_AC_VO) ? 6 : \ 282 ((_ac) == WME_AC_VI) ? 5 : \ 283 ((_ac) == WME_AC_BK) ? 1 : \ 284 0) 285 286#define TID_TO_WME_AC(_tid) ( \ 287 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 288 ((_tid) < 3) ? WME_AC_BK : \ 289 ((_tid) < 6) ? WME_AC_VI : \ 290 WME_AC_VO) 291 292/* 293 * WME Parameter Element 294 */ 295struct ieee80211_wme_param { 296 uint8_t param_id; 297 uint8_t param_len; 298 uint8_t param_oui[3]; 299 uint8_t param_oui_type; 300 uint8_t param_oui_subtype; 301 uint8_t param_version; 302 uint8_t param_qosInfo; 303#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 304 uint8_t param_reserved; 305 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 306} __packed; 307 308/* 309 * Management Notification Frame 310 */ 311struct ieee80211_mnf { 312 uint8_t mnf_category; 313 uint8_t mnf_action; 314 uint8_t mnf_dialog; 315 uint8_t mnf_status; 316} __packed; 317#define MNF_SETUP_REQ 0 318#define MNF_SETUP_RESP 1 319#define MNF_TEARDOWN 2 320 321/* 322 * 802.11n Management Action Frames 323 */ 324/* generic frame format */ 325struct ieee80211_action { 326 uint8_t ia_category; 327 uint8_t ia_action; 328} __packed; 329 330#define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 331#define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 332#define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 333#define IEEE80211_ACTION_CAT_BA 3 /* BA */ 334#define IEEE80211_ACTION_CAT_HT 7 /* HT */ 335#define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 336#define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 337/* 16 - 125 reserved */ 338#define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 339 340#define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 341#define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 342 343/* HT - recommended transmission channel width */ 344struct ieee80211_action_ht_txchwidth { 345 struct ieee80211_action at_header; 346 uint8_t at_chwidth; 347} __packed; 348 349#define IEEE80211_A_HT_TXCHWIDTH_20 0 350#define IEEE80211_A_HT_TXCHWIDTH_2040 1 351 352/* HT - MIMO Power Save (NB: D2.04) */ 353struct ieee80211_action_ht_mimopowersave { 354 struct ieee80211_action am_header; 355 uint8_t am_control; 356} __packed; 357 358#define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 359#define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 360#define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 361#define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 362#define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 363/* bits 2-7 reserved */ 364 365/* Block Ack actions */ 366#define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 367#define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 368#define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 369 370/* Block Ack Parameter Set */ 371#define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 372#define IEEE80211_BAPS_BUFSIZ_S 6 373#define IEEE80211_BAPS_TID 0x003c /* TID */ 374#define IEEE80211_BAPS_TID_S 2 375#define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 376#define IEEE80211_BAPS_POLICY_S 1 377 378#define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 379#define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 380 381/* Block Ack Sequence Control */ 382#define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 383#define IEEE80211_BASEQ_START_S 4 384#define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 385#define IEEE80211_BASEQ_FRAG_S 0 386 387/* Delayed Block Ack Parameter Set */ 388#define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 389#define IEEE80211_DELBAPS_TID_S 12 390#define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 391#define IEEE80211_DELBAPS_INIT_S 11 392 393/* BA - ADDBA request */ 394struct ieee80211_action_ba_addbarequest { 395 struct ieee80211_action rq_header; 396 uint8_t rq_dialogtoken; 397 uint16_t rq_baparamset; 398 uint16_t rq_batimeout; /* in TUs */ 399 uint16_t rq_baseqctl; 400} __packed; 401 402/* BA - ADDBA response */ 403struct ieee80211_action_ba_addbaresponse { 404 struct ieee80211_action rs_header; 405 uint8_t rs_dialogtoken; 406 uint16_t rs_statuscode; 407 uint16_t rs_baparamset; 408 uint16_t rs_batimeout; /* in TUs */ 409} __packed; 410 411/* BA - DELBA */ 412struct ieee80211_action_ba_delba { 413 struct ieee80211_action dl_header; 414 uint16_t dl_baparamset; 415 uint16_t dl_reasoncode; 416} __packed; 417 418/* BAR Control */ 419#define IEEE80211_BAR_TID 0xf000 /* TID */ 420#define IEEE80211_BAR_TID_S 12 421#define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 422#define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 423#define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 424 425/* BAR Starting Sequence Control */ 426#define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 427#define IEEE80211_BAR_SEQ_START_S 4 428 429struct ieee80211_ba_request { 430 uint16_t rq_barctl; 431 uint16_t rq_barseqctl; 432} __packed; 433 434/* 435 * Control frames. 436 */ 437struct ieee80211_frame_min { 438 uint8_t i_fc[2]; 439 uint8_t i_dur[2]; 440 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 441 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 442 /* FCS */ 443} __packed; 444 445struct ieee80211_frame_rts { 446 uint8_t i_fc[2]; 447 uint8_t i_dur[2]; 448 uint8_t i_ra[IEEE80211_ADDR_LEN]; 449 uint8_t i_ta[IEEE80211_ADDR_LEN]; 450 /* FCS */ 451} __packed; 452 453struct ieee80211_frame_cts { 454 uint8_t i_fc[2]; 455 uint8_t i_dur[2]; 456 uint8_t i_ra[IEEE80211_ADDR_LEN]; 457 /* FCS */ 458} __packed; 459 460struct ieee80211_frame_ack { 461 uint8_t i_fc[2]; 462 uint8_t i_dur[2]; 463 uint8_t i_ra[IEEE80211_ADDR_LEN]; 464 /* FCS */ 465} __packed; 466 467struct ieee80211_frame_pspoll { 468 uint8_t i_fc[2]; 469 uint8_t i_aid[2]; 470 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 471 uint8_t i_ta[IEEE80211_ADDR_LEN]; 472 /* FCS */ 473} __packed; 474 475struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 476 uint8_t i_fc[2]; 477 uint8_t i_dur[2]; /* should be zero */ 478 uint8_t i_ra[IEEE80211_ADDR_LEN]; 479 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 480 /* FCS */ 481} __packed; 482 483struct ieee80211_frame_bar { 484 uint8_t i_fc[2]; 485 uint8_t i_dur[2]; 486 uint8_t i_ra[IEEE80211_ADDR_LEN]; 487 uint8_t i_ta[IEEE80211_ADDR_LEN]; 488 uint16_t i_ctl; 489 uint16_t i_seq; 490 /* FCS */ 491} __packed; 492 493/* 494 * BEACON management packets 495 * 496 * octet timestamp[8] 497 * octet beacon interval[2] 498 * octet capability information[2] 499 * information element 500 * octet elemid 501 * octet length 502 * octet information[length] 503 */ 504 505#define IEEE80211_BEACON_INTERVAL(beacon) \ 506 ((beacon)[8] | ((beacon)[9] << 8)) 507#define IEEE80211_BEACON_CAPABILITY(beacon) \ 508 ((beacon)[10] | ((beacon)[11] << 8)) 509 510#define IEEE80211_CAPINFO_ESS 0x0001 511#define IEEE80211_CAPINFO_IBSS 0x0002 512#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 513#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 514#define IEEE80211_CAPINFO_PRIVACY 0x0010 515#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 516#define IEEE80211_CAPINFO_PBCC 0x0040 517#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 518#define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 519/* bit 9 is reserved */ 520#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 521#define IEEE80211_CAPINFO_RSN 0x0800 522/* bit 12 is reserved */ 523#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 524/* bits 14-15 are reserved */ 525 526#define IEEE80211_CAPINFO_BITS \ 527 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 528 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 529 "\16DSSOFDM" 530 531/* 532 * 802.11i/WPA information element (maximally sized). 533 */ 534struct ieee80211_ie_wpa { 535 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 536 uint8_t wpa_len; /* length in bytes */ 537 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 538 uint8_t wpa_type; /* OUI type */ 539 uint16_t wpa_version; /* spec revision */ 540 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 541 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 542 uint32_t wpa_uciphers[8];/* ciphers */ 543 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 544 uint32_t wpa_authsels[8];/* selectors */ 545 uint16_t wpa_caps; /* 802.11i capabilities */ 546 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 547 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 548} __packed; 549 550/* 551 * 802.11n HT Capability IE 552 * NB: these reflect D1.10 553 */ 554struct ieee80211_ie_htcap { 555 uint8_t hc_id; /* element ID */ 556 uint8_t hc_len; /* length in bytes */ 557 uint16_t hc_cap; /* HT caps (see below) */ 558 uint8_t hc_param; /* HT params (see below) */ 559 uint8_t hc_mcsset[16]; /* supported MCS set */ 560 uint16_t hc_extcap; /* extended HT capabilities */ 561 uint32_t hc_txbf; /* txbf capabilities */ 562 uint8_t hc_antenna; /* antenna capabilities */ 563} __packed; 564 565/* HT capability flags (ht_cap) */ 566#define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ 567#define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 568#define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 569#define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 570#define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 571/* NB: SMPS value 2 is reserved */ 572#define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 573#define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 574#define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 575#define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 576#define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 577#define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 578#define IEEE80211_HTCAP_RXSTBC_S 8 579#define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 580#define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 581#define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 582#define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 583#define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 584#define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 585#define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 586#define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 587#define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 588#define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 589#define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 590 591#define IEEE80211_HTCAP_BITS \ 592 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 593 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 594 "\20LSIGTXOPPROT" 595 596/* HT parameters (hc_param) */ 597#define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 598#define IEEE80211_HTCAP_MAXRXAMPDU_S 0 599#define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 600#define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 601#define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 602#define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 603#define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 604#define IEEE80211_HTCAP_MPDUDENSITY_S 2 605#define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 606#define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 607#define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 608#define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 609#define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 610#define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 611#define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 612#define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 613 614/* HT extended capabilities (hc_extcap) */ 615#define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 616#define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 617#define IEEE80211_HTCAP_PCOTRANS_S 1 618#define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 619#define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 620#define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 621/* bits 3-7 reserved */ 622#define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 623#define IEEE80211_HTCAP_MCSFBACK_S 8 624#define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 625#define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 626#define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 627#define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 628#define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 629/* bits 12-15 reserved */ 630 631/* 632 * 802.11n HT Information IE 633 */ 634struct ieee80211_ie_htinfo { 635 uint8_t hi_id; /* element ID */ 636 uint8_t hi_len; /* length in bytes */ 637 uint8_t hi_ctrlchannel; /* primary channel */ 638 uint8_t hi_byte1; /* ht ie byte 1 */ 639 uint8_t hi_byte2; /* ht ie byte 2 */ 640 uint8_t hi_byte3; /* ht ie byte 3 */ 641 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 642 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 643} __packed; 644 645/* byte1 */ 646#define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 647#define IEEE80211_HTINFO_2NDCHAN_S 0 648#define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 649#define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 650/* NB: 2 is reserved */ 651#define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 652#define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 653#define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 654#define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 655#define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 656#define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 657#define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 658#define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 659#define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 660#define IEEE80211_HTINFO_SIGRAN_S 5 661#define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 662/* XXX add rest */ 663 664/* bytes 2+3 */ 665#define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 666#define IEEE80211_HTINFO_OPMODE_S 0 667#define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 668#define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 669#define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 670#define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 671#define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 672#define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 673#define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 674/* bits 5-15 reserved */ 675 676/* bytes 4+5 */ 677#define IEEE80211_HTINFO_2NDARYBEACON 0x01 678#define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 679#define IEEE80211_HTINFO_PCO_ACTIVE 0x04 680#define IEEE80211_HTINFO_40MHZPHASE 0x08 681 682/* byte5 */ 683#define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 684#define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 685#define IEEE80211_HTINFO_DUALPROTECTED 0x80 686 687/* 688 * Management information element payloads. 689 */ 690 691enum { 692 IEEE80211_ELEMID_SSID = 0, 693 IEEE80211_ELEMID_RATES = 1, 694 IEEE80211_ELEMID_FHPARMS = 2, 695 IEEE80211_ELEMID_DSPARMS = 3, 696 IEEE80211_ELEMID_CFPARMS = 4, 697 IEEE80211_ELEMID_TIM = 5, 698 IEEE80211_ELEMID_IBSSPARMS = 6, 699 IEEE80211_ELEMID_COUNTRY = 7, 700 IEEE80211_ELEMID_CHALLENGE = 16, 701 /* 17-31 reserved for challenge text extension */ 702 IEEE80211_ELEMID_PWRCNSTR = 32, 703 IEEE80211_ELEMID_PWRCAP = 33, 704 IEEE80211_ELEMID_TPCREQ = 34, 705 IEEE80211_ELEMID_TPCREP = 35, 706 IEEE80211_ELEMID_SUPPCHAN = 36, 707 IEEE80211_ELEMID_CSA = 37, 708 IEEE80211_ELEMID_MEASREQ = 38, 709 IEEE80211_ELEMID_MEASREP = 39, 710 IEEE80211_ELEMID_QUIET = 40, 711 IEEE80211_ELEMID_IBSSDFS = 41, 712 IEEE80211_ELEMID_ERP = 42, 713 IEEE80211_ELEMID_HTCAP = 45, 714 IEEE80211_ELEMID_QOS = 46, 715 IEEE80211_ELEMID_RSN = 48, 716 IEEE80211_ELEMID_XRATES = 50, 717 IEEE80211_ELEMID_HTINFO = 61, 718 IEEE80211_ELEMID_TPC = 150, 719 IEEE80211_ELEMID_CCKM = 156, 720 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 721 722 /* 723 * 802.11s IEs 724 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 725 * but they defined a new with id 117 called PEER_MGMT. 726 * NB: complies with open80211 727 */ 728 IEEE80211_ELEMID_MESHCONF = 113, 729 IEEE80211_ELEMID_MESHID = 114, 730 IEEE80211_ELEMID_MESHLINK = 115, 731 IEEE80211_ELEMID_MESHCNGST = 116, 732 IEEE80211_ELEMID_MESHPEER = 117, 733 IEEE80211_ELEMID_MESHCSA = 118, 734 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 735 IEEE80211_ELEMID_MESHAWAKEW = 119, 736 IEEE80211_ELEMID_MESHBEACONT = 120, 737 /* 121-124 MMCAOP not implemented yet */ 738 IEEE80211_ELEMID_MESHGANN = 125, 739 IEEE80211_ELEMID_MESHRANN = 126, 740 /* 127 Extended Capabilities */ 741 /* 128-129 reserved */ 742 IEEE80211_ELEMID_MESHPREQ = 130, 743 IEEE80211_ELEMID_MESHPREP = 131, 744 IEEE80211_ELEMID_MESHPERR = 132, 745 /* 133-136 reserved */ 746 IEEE80211_ELEMID_MESHPXU = 137, 747 IEEE80211_ELEMID_MESHPXUC = 138, 748 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 749}; 750 751struct ieee80211_tim_ie { 752 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 753 uint8_t tim_len; 754 uint8_t tim_count; /* DTIM count */ 755 uint8_t tim_period; /* DTIM period */ 756 uint8_t tim_bitctl; /* bitmap control */ 757 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 758} __packed; 759 760struct ieee80211_country_ie { 761 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 762 uint8_t len; 763 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 764 struct { 765 uint8_t schan; /* starting channel */ 766 uint8_t nchan; /* number channels */ 767 uint8_t maxtxpwr; /* tx power cap */ 768 } __packed band[1]; /* sub bands (NB: var size) */ 769} __packed; 770 771#define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 772#define IEEE80211_COUNTRY_MAX_SIZE \ 773 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 774 775/* 776 * 802.11h Quiet Time Element. 777 */ 778struct ieee80211_quiet_ie { 779 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 780 uint8_t len; 781 uint8_t tbttcount; /* quiet start */ 782 uint8_t period; /* beacon intervals between quiets */ 783 uint16_t duration; /* TUs of each quiet*/ 784 uint16_t offset; /* TUs of from TBTT of quiet start */ 785} __packed; 786 787/* 788 * 802.11h Channel Switch Announcement (CSA). 789 */ 790struct ieee80211_csa_ie { 791 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 792 uint8_t csa_len; 793 uint8_t csa_mode; /* Channel Switch Mode */ 794 uint8_t csa_newchan; /* New Channel Number */ 795 uint8_t csa_count; /* Channel Switch Count */ 796} __packed; 797 798/* 799 * Note the min acceptable CSA count is used to guard against 800 * malicious CSA injection in station mode. Defining this value 801 * as other than 0 violates the 11h spec. 802 */ 803#define IEEE80211_CSA_COUNT_MIN 2 804#define IEEE80211_CSA_COUNT_MAX 255 805 806/* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 807#define IEEE80211_RATE_BASIC 0x80 808#define IEEE80211_RATE_VAL 0x7f 809 810/* EPR information element flags */ 811#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 812#define IEEE80211_ERP_USE_PROTECTION 0x02 813#define IEEE80211_ERP_LONG_PREAMBLE 0x04 814 815#define IEEE80211_ERP_BITS \ 816 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 817 818#define ATH_OUI 0x7f0300 /* Atheros OUI */ 819#define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 820 821/* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 822#define TDMA_OUI ATH_OUI 823#define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 824 825#define BCM_OUI 0x4c9000 /* Broadcom OUI */ 826#define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 827#define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 828 829#define WPA_OUI 0xf25000 830#define WPA_OUI_TYPE 0x01 831#define WPA_VERSION 1 /* current supported version */ 832 833#define WPA_CSE_NULL 0x00 834#define WPA_CSE_WEP40 0x01 835#define WPA_CSE_TKIP 0x02 836#define WPA_CSE_CCMP 0x04 837#define WPA_CSE_WEP104 0x05 838 839#define WPA_ASE_NONE 0x00 840#define WPA_ASE_8021X_UNSPEC 0x01 841#define WPA_ASE_8021X_PSK 0x02 842 843#define WPS_OUI_TYPE 0x04 844 845#define RSN_OUI 0xac0f00 846#define RSN_VERSION 1 /* current supported version */ 847 848#define RSN_CSE_NULL 0x00 849#define RSN_CSE_WEP40 0x01 850#define RSN_CSE_TKIP 0x02 851#define RSN_CSE_WRAP 0x03 852#define RSN_CSE_CCMP 0x04 853#define RSN_CSE_WEP104 0x05 854 855#define RSN_ASE_NONE 0x00 856#define RSN_ASE_8021X_UNSPEC 0x01 857#define RSN_ASE_8021X_PSK 0x02 858 859#define RSN_CAP_PREAUTH 0x01 860 861#define WME_OUI 0xf25000 862#define WME_OUI_TYPE 0x02 863#define WME_INFO_OUI_SUBTYPE 0x00 864#define WME_PARAM_OUI_SUBTYPE 0x01 865#define WME_VERSION 1 866 867/* WME stream classes */ 868#define WME_AC_BE 0 /* best effort */ 869#define WME_AC_BK 1 /* background */ 870#define WME_AC_VI 2 /* video */ 871#define WME_AC_VO 3 /* voice */ 872 873/* 874 * AUTH management packets 875 * 876 * octet algo[2] 877 * octet seq[2] 878 * octet status[2] 879 * octet chal.id 880 * octet chal.length 881 * octet chal.text[253] NB: 1-253 bytes 882 */ 883 884/* challenge length for shared key auth */ 885#define IEEE80211_CHALLENGE_LEN 128 886 887#define IEEE80211_AUTH_ALG_OPEN 0x0000 888#define IEEE80211_AUTH_ALG_SHARED 0x0001 889#define IEEE80211_AUTH_ALG_LEAP 0x0080 890 891enum { 892 IEEE80211_AUTH_OPEN_REQUEST = 1, 893 IEEE80211_AUTH_OPEN_RESPONSE = 2, 894}; 895 896enum { 897 IEEE80211_AUTH_SHARED_REQUEST = 1, 898 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 899 IEEE80211_AUTH_SHARED_RESPONSE = 3, 900 IEEE80211_AUTH_SHARED_PASS = 4, 901}; 902 903/* 904 * Reason and status codes. 905 * 906 * Reason codes are used in management frames to indicate why an 907 * action took place (e.g. on disassociation). Status codes are 908 * used in management frames to indicate the result of an operation. 909 * 910 * Unlisted codes are reserved 911 */ 912 913enum { 914 IEEE80211_REASON_UNSPECIFIED = 1, 915 IEEE80211_REASON_AUTH_EXPIRE = 2, 916 IEEE80211_REASON_AUTH_LEAVE = 3, 917 IEEE80211_REASON_ASSOC_EXPIRE = 4, 918 IEEE80211_REASON_ASSOC_TOOMANY = 5, 919 IEEE80211_REASON_NOT_AUTHED = 6, 920 IEEE80211_REASON_NOT_ASSOCED = 7, 921 IEEE80211_REASON_ASSOC_LEAVE = 8, 922 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 923 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 924 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 925 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 926 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 927 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 928 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 929 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 930 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 931 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 932 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 933 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 934 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 935 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 936 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 937 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 938 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 939 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 940 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 941 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 942 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 943 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 944 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 945 946 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 947 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 948 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 949 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 950 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 951 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 952 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 953 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 954 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 955 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 956 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 957 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 958 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 959 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 960 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 961 962 IEEE80211_STATUS_SUCCESS = 0, 963 IEEE80211_STATUS_UNSPECIFIED = 1, 964 IEEE80211_STATUS_CAPINFO = 10, 965 IEEE80211_STATUS_NOT_ASSOCED = 11, 966 IEEE80211_STATUS_OTHER = 12, 967 IEEE80211_STATUS_ALG = 13, 968 IEEE80211_STATUS_SEQUENCE = 14, 969 IEEE80211_STATUS_CHALLENGE = 15, 970 IEEE80211_STATUS_TIMEOUT = 16, 971 IEEE80211_STATUS_TOOMANY = 17, 972 IEEE80211_STATUS_BASIC_RATE = 18, 973 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 974 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 975 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 976 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 977 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 978 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 979 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 980 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 981 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 982 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 983 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 984 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 985 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 986 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 987 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 988 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 989}; 990 991#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 992#define IEEE80211_WEP_IVLEN 3 /* 24bit */ 993#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 994#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 995#define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 996 IEEE80211_WEP_KIDLEN + \ 997 IEEE80211_WEP_CRCLEN) 998#define IEEE80211_WEP_NKID 4 /* number of key ids */ 999 1000/* 1001 * 802.11i defines an extended IV for use with non-WEP ciphers. 1002 * When the EXTIV bit is set in the key id byte an additional 1003 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1004 * EXTIV bit is likewise set but the 8 bytes represent the 1005 * CCMP header rather than IV+extended-IV. 1006 */ 1007#define IEEE80211_WEP_EXTIV 0x20 1008#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1009#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1010 1011#define IEEE80211_CRC_LEN 4 1012 1013/* 1014 * Maximum acceptable MTU is: 1015 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1016 * QoS overhead - RSN/WPA overhead 1017 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1018 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1019 */ 1020#define IEEE80211_MTU_MAX 2290 1021#define IEEE80211_MTU_MIN 32 1022 1023#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1024 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1025#define IEEE80211_ACK_LEN \ 1026 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1027#define IEEE80211_MIN_LEN \ 1028 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1029 1030/* 1031 * The 802.11 spec says at most 2007 stations may be 1032 * associated at once. For most AP's this is way more 1033 * than is feasible so we use a default of IEEE80211_AID_DEF. 1034 * This number may be overridden by the driver and/or by 1035 * user configuration but may not be less than IEEE80211_AID_MIN 1036 * (see _ieee80211.h for implementation-specific settings). 1037 */ 1038#define IEEE80211_AID_MAX 2007 1039 1040#define IEEE80211_AID(b) ((b) &~ 0xc000) 1041 1042/* 1043 * RTS frame length parameters. The default is specified in 1044 * the 802.11 spec as 512; we treat it as implementation-dependent 1045 * so it's defined in ieee80211_var.h. The max may be wrong 1046 * for jumbo frames. 1047 */ 1048#define IEEE80211_RTS_MIN 1 1049#define IEEE80211_RTS_MAX 2346 1050 1051/* 1052 * TX fragmentation parameters. As above for RTS, we treat 1053 * default as implementation-dependent so define it elsewhere. 1054 */ 1055#define IEEE80211_FRAG_MIN 256 1056#define IEEE80211_FRAG_MAX 2346 1057 1058/* 1059 * Beacon interval (TU's). Min+max come from WiFi requirements. 1060 * As above, we treat default as implementation-dependent so 1061 * define it elsewhere. 1062 */ 1063#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1064#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1065 1066/* 1067 * DTIM period (beacons). Min+max are not really defined 1068 * by the protocol but we want them publicly visible so 1069 * define them here. 1070 */ 1071#define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1072#define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1073 1074/* 1075 * Beacon miss threshold (beacons). As for DTIM, we define 1076 * them here to be publicly visible. Note the max may be 1077 * clamped depending on device capabilities. 1078 */ 1079#define IEEE80211_HWBMISS_MIN 1 1080#define IEEE80211_HWBMISS_MAX 255 1081 1082/* 1083 * 802.11 frame duration definitions. 1084 */ 1085 1086struct ieee80211_duration { 1087 uint16_t d_rts_dur; 1088 uint16_t d_data_dur; 1089 uint16_t d_plcp_len; 1090 uint8_t d_residue; /* unused octets in time slot */ 1091}; 1092 1093/* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1094#define IEEE80211_DUR_TU 1024 1095 1096/* IEEE 802.11b durations for DSSS PHY in microseconds */ 1097#define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1098#define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1099 1100#define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1101#define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1102#define IEEE80211_DUR_DS_SLOW_ACK 112 1103#define IEEE80211_DUR_DS_FAST_ACK 56 1104#define IEEE80211_DUR_DS_SLOW_CTS 112 1105#define IEEE80211_DUR_DS_FAST_CTS 56 1106 1107#define IEEE80211_DUR_DS_SLOT 20 1108#define IEEE80211_DUR_DS_SIFS 10 1109#define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1110#define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1111 2 * IEEE80211_DUR_DS_SLOT) 1112#define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1113 IEEE80211_DUR_DS_SLOW_ACK + \ 1114 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1115 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1116 IEEE80211_DUR_DIFS) 1117 1118#endif /* _NET80211_IEEE80211_H_ */ 1119