ieee80211.h revision 1.20.6.1
1 /* $NetBSD: ieee80211.h,v 1.20.6.1 2010/11/06 08:08:49 uebayasi Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: src/sys/net80211/ieee80211.h,v 1.10 2005/07/22 16:55:27 sam Exp $ 34 */ 35 #ifndef _NET80211_IEEE80211_H_ 36 #define _NET80211_IEEE80211_H_ 37 38 /* 39 * 802.11 protocol definitions. 40 */ 41 42 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 43 /* is 802.11 address multicast/broadcast? */ 44 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 45 46 /* IEEE 802.11 PLCP header */ 47 struct ieee80211_plcp_hdr { 48 u_int16_t i_sfd; 49 u_int8_t i_signal; 50 u_int8_t i_service; 51 u_int16_t i_length; 52 u_int16_t i_crc; 53 } __packed; 54 55 #define IEEE80211_PLCP_SFD 0xF3A0 56 #define IEEE80211_PLCP_SERVICE 0x00 57 58 /* 59 * generic definitions for IEEE 802.11 frames 60 */ 61 struct ieee80211_frame { 62 u_int8_t i_fc[2]; 63 u_int8_t i_dur[2]; 64 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 65 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 66 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 67 u_int8_t i_seq[2]; 68 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 69 /* see below */ 70 } __packed; 71 72 struct ieee80211_qosframe { 73 u_int8_t i_fc[2]; 74 u_int8_t i_dur[2]; 75 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 76 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 77 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 78 u_int8_t i_seq[2]; 79 u_int8_t i_qos[2]; 80 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 81 /* see below */ 82 } __packed; 83 84 struct ieee80211_qoscntl { 85 u_int8_t i_qos[2]; 86 }; 87 88 struct ieee80211_frame_addr4 { 89 u_int8_t i_fc[2]; 90 u_int8_t i_dur[2]; 91 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 92 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 93 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 94 u_int8_t i_seq[2]; 95 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 96 } __packed; 97 98 99 struct ieee80211_qosframe_addr4 { 100 u_int8_t i_fc[2]; 101 u_int8_t i_dur[2]; 102 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 103 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 104 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 105 u_int8_t i_seq[2]; 106 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 107 u_int8_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 /* for TYPE_CTL */ 134 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 135 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 136 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 137 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 138 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 139 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 140 /* for TYPE_DATA (bit combination) */ 141 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 142 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 143 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 144 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 145 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 146 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 147 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 148 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 149 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 150 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 151 152 #define IEEE80211_FC1_DIR_MASK 0x03 153 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 154 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 155 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 156 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 157 158 #define IEEE80211_FC1_MORE_FRAG 0x04 159 #define IEEE80211_FC1_RETRY 0x08 160 #define IEEE80211_FC1_PWR_MGT 0x10 161 #define IEEE80211_FC1_MORE_DATA 0x20 162 #define IEEE80211_FC1_PROTECTED 0x40 163 #define IEEE80211_FC1_WEP 0x40 /* pre-RSNA compat */ 164 #define IEEE80211_FC1_ORDER 0x80 165 166 #define IEEE80211_SEQ_FRAG_MASK 0x000f 167 #define IEEE80211_SEQ_FRAG_SHIFT 0 168 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 169 #define IEEE80211_SEQ_SEQ_SHIFT 4 170 171 #define IEEE80211_NWID_LEN 32 172 173 #define IEEE80211_QOS_TXOP 0x00ff 174 /* bit 8 is reserved */ 175 #define IEEE80211_QOS_ACKPOLICY 0x60 176 #define IEEE80211_QOS_ACKPOLICY_S 5 177 #define IEEE80211_QOS_ESOP 0x10 178 #define IEEE80211_QOS_ESOP_S 4 179 #define IEEE80211_QOS_TID 0x0f 180 181 /* does frame have QoS sequence control data */ 182 #define IEEE80211_QOS_HAS_SEQ(wh) \ 183 (((wh)->i_fc[0] & \ 184 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 185 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 186 187 /* 188 * WME/802.11e information element. 189 */ 190 struct ieee80211_wme_info { 191 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 192 u_int8_t wme_len; /* length in bytes */ 193 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 194 u_int8_t wme_type; /* OUI type */ 195 u_int8_t wme_subtype; /* OUI subtype */ 196 u_int8_t wme_version; /* spec revision */ 197 u_int8_t wme_info; /* QoS info */ 198 } __packed; 199 200 /* 201 * WME/802.11e Tspec Element 202 */ 203 struct ieee80211_wme_tspec { 204 u_int8_t ts_id; 205 u_int8_t ts_len; 206 u_int8_t ts_oui[3]; 207 u_int8_t ts_oui_type; 208 u_int8_t ts_oui_subtype; 209 u_int8_t ts_version; 210 u_int8_t ts_tsinfo[3]; 211 u_int8_t ts_nom_msdu[2]; 212 u_int8_t ts_max_msdu[2]; 213 u_int8_t ts_min_svc[4]; 214 u_int8_t ts_max_svc[4]; 215 u_int8_t ts_inactv_intv[4]; 216 u_int8_t ts_susp_intv[4]; 217 u_int8_t ts_start_svc[4]; 218 u_int8_t ts_min_rate[4]; 219 u_int8_t ts_mean_rate[4]; 220 u_int8_t ts_max_burst[4]; 221 u_int8_t ts_min_phy[4]; 222 u_int8_t ts_peak_rate[4]; 223 u_int8_t ts_delay[4]; 224 u_int8_t ts_surplus[2]; 225 u_int8_t ts_medium_time[2]; 226 } __packed; 227 228 /* 229 * WME AC parameter field 230 */ 231 struct ieee80211_wme_acparams { 232 u_int8_t acp_aci_aifsn; 233 u_int8_t acp_logcwminmax; 234 u_int16_t acp_txop; 235 } __packed; 236 237 #define WME_NUM_AC 4 /* 4 AC categories */ 238 239 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 240 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 241 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 242 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 243 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 244 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 245 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 246 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 247 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 248 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 249 250 #define WME_AC_TO_TID(_ac) ( \ 251 ((_ac) == WME_AC_VO) ? 6 : \ 252 ((_ac) == WME_AC_VI) ? 5 : \ 253 ((_ac) == WME_AC_BK) ? 1 : \ 254 0) 255 256 #define TID_TO_WME_AC(_tid) ( \ 257 ((_tid) < 1) ? WME_AC_BE : \ 258 ((_tid) < 3) ? WME_AC_BK : \ 259 ((_tid) < 6) ? WME_AC_VI : \ 260 WME_AC_VO) 261 262 /* 263 * WME Parameter Element 264 */ 265 struct ieee80211_wme_param { 266 u_int8_t param_id; 267 u_int8_t param_len; 268 u_int8_t param_oui[3]; 269 u_int8_t param_oui_type; 270 u_int8_t param_oui_sybtype; 271 u_int8_t param_version; 272 u_int8_t param_qosInfo; 273 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 274 u_int8_t param_reserved; 275 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 276 } __packed; 277 278 /* 279 * Management Notification Frame 280 */ 281 struct ieee80211_mnf { 282 u_int8_t mnf_category; 283 u_int8_t mnf_action; 284 u_int8_t mnf_dialog; 285 u_int8_t mnf_status; 286 } __packed; 287 #define MNF_SETUP_REQ 0 288 #define MNF_SETUP_RESP 1 289 #define MNF_TEARDOWN 2 290 291 /* 292 * Control frames. 293 */ 294 struct ieee80211_frame_min { 295 u_int8_t i_fc[2]; 296 u_int8_t i_dur[2]; 297 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 298 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 299 /* FCS */ 300 } __packed; 301 302 struct ieee80211_frame_rts { 303 u_int8_t i_fc[2]; 304 u_int8_t i_dur[2]; 305 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 306 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 307 /* FCS */ 308 } __packed; 309 310 struct ieee80211_frame_cts { 311 u_int8_t i_fc[2]; 312 u_int8_t i_dur[2]; 313 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 314 /* FCS */ 315 } __packed; 316 317 struct ieee80211_frame_ack { 318 u_int8_t i_fc[2]; 319 u_int8_t i_dur[2]; 320 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 321 /* FCS */ 322 } __packed; 323 324 struct ieee80211_frame_pspoll { 325 u_int8_t i_fc[2]; 326 u_int8_t i_aid[2]; 327 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 328 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 329 /* FCS */ 330 } __packed; 331 332 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 333 u_int8_t i_fc[2]; 334 u_int8_t i_dur[2]; /* should be zero */ 335 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 336 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 337 /* FCS */ 338 } __packed; 339 340 /* 341 * BEACON management packets 342 * 343 * octet timestamp[8] 344 * octet beacon interval[2] 345 * octet capability information[2] 346 * information element 347 * octet elemid 348 * octet length 349 * octet information[length] 350 */ 351 352 typedef u_int8_t *ieee80211_mgt_beacon_t; 353 354 #define IEEE80211_BEACON_INTERVAL(beacon) \ 355 ((beacon)[8] | ((beacon)[9] << 8)) 356 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 357 ((beacon)[10] | ((beacon)[11] << 8)) 358 359 #define IEEE80211_CAPINFO_ESS 0x0001 360 #define IEEE80211_CAPINFO_IBSS 0x0002 361 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 362 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 363 #define IEEE80211_CAPINFO_PRIVACY 0x0010 364 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 365 #define IEEE80211_CAPINFO_PBCC 0x0040 366 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 367 /* bits 8-9 are reserved */ 368 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 369 #define IEEE80211_CAPINFO_RSN 0x0800 370 /* bit 12 is reserved */ 371 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 372 /* bits 14-15 are reserved */ 373 374 /* 375 * 802.11i/WPA information element (maximally sized). 376 */ 377 struct ieee80211_ie_wpa { 378 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 379 u_int8_t wpa_len; /* length in bytes */ 380 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 381 u_int8_t wpa_type; /* OUI type */ 382 u_int16_t wpa_version; /* spec revision */ 383 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 384 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 385 u_int32_t wpa_uciphers[8];/* ciphers */ 386 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 387 u_int32_t wpa_authsels[8];/* selectors */ 388 u_int16_t wpa_caps; /* 802.11i capabilities */ 389 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 390 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */ 391 } __packed; 392 393 /* 394 * Management information element payloads. 395 */ 396 397 enum { 398 IEEE80211_ELEMID_SSID = 0, 399 IEEE80211_ELEMID_RATES = 1, 400 IEEE80211_ELEMID_FHPARMS = 2, 401 IEEE80211_ELEMID_DSPARMS = 3, 402 IEEE80211_ELEMID_CFPARMS = 4, 403 IEEE80211_ELEMID_TIM = 5, 404 IEEE80211_ELEMID_IBSSPARMS = 6, 405 IEEE80211_ELEMID_COUNTRY = 7, 406 IEEE80211_ELEMID_EDCAPARMS = 12, 407 IEEE80211_ELEMID_CHALLENGE = 16, 408 /* 17-31 reserved for challenge text extension */ 409 IEEE80211_ELEMID_PWRCNSTR = 32, 410 IEEE80211_ELEMID_PWRCAP = 33, 411 IEEE80211_ELEMID_TPCREQ = 34, 412 IEEE80211_ELEMID_TPCREP = 35, 413 IEEE80211_ELEMID_SUPPCHAN = 36, 414 IEEE80211_ELEMID_CHANSWITCHANN = 37, 415 IEEE80211_ELEMID_MEASREQ = 38, 416 IEEE80211_ELEMID_MEASREP = 39, 417 IEEE80211_ELEMID_QUIET = 40, 418 IEEE80211_ELEMID_IBSSDFS = 41, 419 IEEE80211_ELEMID_ERP = 42, 420 IEEE80211_ELEMID_HTCAP = 45, /* 11n */ 421 IEEE80211_ELEMID_QOS_CAP = 46, 422 IEEE80211_ELEMID_RSN = 48, 423 IEEE80211_ELEMID_XRATES = 50, 424 IEEE80211_ELEMID_TIE = 56, /* 11r */ 425 IEEE80211_ELEMID_HTINFO = 61, /* 11n */ 426 IEEE80211_ELEMID_MMIE = 76, /* 11w */ 427 IEEE80211_ELEMID_TPC = 150, 428 IEEE80211_ELEMID_CCKM = 156, 429 IEEE80211_ELEMID_VENDOR = 221 /* vendor private */ 430 }; 431 432 struct ieee80211_tim_ie { 433 u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 434 u_int8_t tim_len; 435 u_int8_t tim_count; /* DTIM count */ 436 u_int8_t tim_period; /* DTIM period */ 437 u_int8_t tim_bitctl; /* bitmap control */ 438 u_int8_t tim_bitmap[1]; /* variable-length bitmap */ 439 } __packed; 440 441 struct ieee80211_band { 442 u_int8_t schan; /* starting channel */ 443 u_int8_t nchan; /* number channels */ 444 u_int8_t maxtxpwr; /* tx power cap */ 445 } __packed; 446 447 struct ieee80211_country_ie { 448 u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 449 u_int8_t len; 450 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 451 struct ieee80211_band band[4]; /* up to 4 sub bands */ 452 } __packed; 453 454 #define IEEE80211_CHALLENGE_LEN 128 455 456 #define IEEE80211_RATE_BASIC 0x80 457 #define IEEE80211_RATE_VAL 0x7f 458 459 /* EPR information element flags */ 460 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 461 #define IEEE80211_ERP_USE_PROTECTION 0x02 462 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 463 464 /* Atheros private advanced capabilities info */ 465 #define ATHEROS_CAP_TURBO_PRIME 0x01 466 #define ATHEROS_CAP_COMPRESSION 0x02 467 #define ATHEROS_CAP_FAST_FRAME 0x04 468 /* bits 3-6 reserved */ 469 #define ATHEROS_CAP_BOOST 0x80 470 471 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 472 #define ATH_OUI_TYPE 0x01 473 #define ATH_OUI_VERSION 0x01 474 475 #define WPA_OUI 0xf25000 476 #define WPA_OUI_TYPE 0x01 477 #define WPA_VERSION 1 /* current supported version */ 478 479 #define WPA_CSE_NULL 0x00 480 #define WPA_CSE_WEP40 0x01 481 #define WPA_CSE_TKIP 0x02 482 #define WPA_CSE_CCMP 0x04 483 #define WPA_CSE_WEP104 0x05 484 485 #define WPA_ASE_NONE 0x00 486 #define WPA_ASE_8021X_UNSPEC 0x01 487 #define WPA_ASE_8021X_PSK 0x02 488 489 #define RSN_OUI 0xac0f00 490 #define RSN_VERSION 1 /* current supported version */ 491 492 #define RSN_CSE_NULL 0x00 493 #define RSN_CSE_WEP40 0x01 494 #define RSN_CSE_TKIP 0x02 495 #define RSN_CSE_WRAP 0x03 496 #define RSN_CSE_CCMP 0x04 497 #define RSN_CSE_WEP104 0x05 498 499 #define RSN_ASE_NONE 0x00 500 #define RSN_ASE_8021X_UNSPEC 0x01 501 #define RSN_ASE_8021X_PSK 0x02 502 503 #define RSN_CAP_PREAUTH 0x01 504 505 #define WME_OUI 0xf25000 506 #define WME_OUI_TYPE 0x02 507 #define WME_INFO_OUI_SUBTYPE 0x00 508 #define WME_PARAM_OUI_SUBTYPE 0x01 509 #define WME_VERSION 1 510 511 /* WME stream classes */ 512 #define WME_AC_BE 0 /* best effort */ 513 #define WME_AC_BK 1 /* background */ 514 #define WME_AC_VI 2 /* video */ 515 #define WME_AC_VO 3 /* voice */ 516 517 /* 518 * AUTH management packets 519 * 520 * octet algo[2] 521 * octet seq[2] 522 * octet status[2] 523 * octet chal.id 524 * octet chal.length 525 * octet chal.text[253] 526 */ 527 528 typedef u_int8_t *ieee80211_mgt_auth_t; 529 530 #define IEEE80211_AUTH_ALGORITHM(auth) \ 531 ((auth)[0] | ((auth)[1] << 8)) 532 #define IEEE80211_AUTH_TRANSACTION(auth) \ 533 ((auth)[2] | ((auth)[3] << 8)) 534 #define IEEE80211_AUTH_STATUS(auth) \ 535 ((auth)[4] | ((auth)[5] << 8)) 536 537 #define IEEE80211_AUTH_ALG_OPEN 0x0000 538 #define IEEE80211_AUTH_ALG_SHARED 0x0001 539 #define IEEE80211_AUTH_ALG_LEAP 0x0080 540 541 enum { 542 IEEE80211_AUTH_OPEN_REQUEST = 1, 543 IEEE80211_AUTH_OPEN_RESPONSE = 2 544 }; 545 546 enum { 547 IEEE80211_AUTH_SHARED_REQUEST = 1, 548 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 549 IEEE80211_AUTH_SHARED_RESPONSE = 3, 550 IEEE80211_AUTH_SHARED_PASS = 4 551 }; 552 553 /* 554 * Reason codes 555 * 556 * Unlisted codes are reserved 557 */ 558 559 enum { 560 IEEE80211_REASON_UNSPECIFIED = 1, 561 IEEE80211_REASON_AUTH_EXPIRE = 2, 562 IEEE80211_REASON_AUTH_LEAVE = 3, 563 IEEE80211_REASON_ASSOC_EXPIRE = 4, 564 IEEE80211_REASON_ASSOC_TOOMANY = 5, 565 IEEE80211_REASON_NOT_AUTHED = 6, 566 IEEE80211_REASON_NOT_ASSOCED = 7, 567 IEEE80211_REASON_ASSOC_LEAVE = 8, 568 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 569 570 IEEE80211_REASON_RSN_REQUIRED = 11, 571 IEEE80211_REASON_RSN_INCONSISTENT = 12, 572 IEEE80211_REASON_IE_INVALID = 13, 573 IEEE80211_REASON_MIC_FAILURE = 14, 574 575 IEEE80211_STATUS_SUCCESS = 0, 576 IEEE80211_STATUS_UNSPECIFIED = 1, 577 IEEE80211_STATUS_CAPINFO = 10, 578 IEEE80211_STATUS_NOT_ASSOCED = 11, 579 IEEE80211_STATUS_OTHER = 12, 580 IEEE80211_STATUS_ALG = 13, 581 IEEE80211_STATUS_SEQUENCE = 14, 582 IEEE80211_STATUS_CHALLENGE = 15, 583 IEEE80211_STATUS_TIMEOUT = 16, 584 IEEE80211_STATUS_TOOMANY = 17, 585 IEEE80211_STATUS_BASIC_RATE = 18, 586 IEEE80211_STATUS_SP_REQUIRED = 19, 587 IEEE80211_STATUS_PBCC_REQUIRED = 20, 588 IEEE80211_STATUS_CA_REQUIRED = 21, 589 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 590 IEEE80211_STATUS_RATES = 23, 591 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 592 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26 593 }; 594 595 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 596 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 597 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 598 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 599 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 600 IEEE80211_WEP_KIDLEN + \ 601 IEEE80211_WEP_CRCLEN) 602 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 603 604 /* 605 * 802.11i defines an extended IV for use with non-WEP ciphers. 606 * When the EXTIV bit is set in the key id byte an additional 607 * 4 bytes immediately follow the IV for TKIP. For CCMP the 608 * EXTIV bit is likewise set but the 8 bytes represent the 609 * CCMP header rather than IV+extended-IV. 610 */ 611 #define IEEE80211_WEP_EXTIV 0x20 612 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 613 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 614 615 #define IEEE80211_CRC_LEN 4 616 617 /* 618 * Maximum acceptable MTU is: 619 * IEEE80211_MAX_LEN - WEP overhead - CRC - 620 * QoS overhead - RSN/WPA overhead 621 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 622 * mtu is Ethernet-compatible; it's set by ether_ifattach. 623 */ 624 #define IEEE80211_MTU_MAX 2290 625 #define IEEE80211_MTU_MIN 32 626 627 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 628 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 629 #define IEEE80211_ACK_LEN \ 630 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 631 #define IEEE80211_MIN_LEN \ 632 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 633 634 /* 635 * The 802.11 spec says at most 2007 stations may be 636 * associated at once. For most AP's this is way more 637 * than is feasible so we use a default of 128. This 638 * number may be overridden by the driver and/or by 639 * user configuration. 640 */ 641 #define IEEE80211_AID_MAX 2007 642 #define IEEE80211_AID_DEF 128 643 644 #define IEEE80211_AID(b) ((b) &~ 0xc000) 645 646 /* 647 * RTS frame length parameters. The default is specified in 648 * the 802.11 spec as 512; we treat it as implementation-dependent 649 * so it's defined in ieee80211_var.h. The max may be wrong 650 * for jumbo frames. 651 */ 652 #define IEEE80211_RTS_MIN 1 653 #define IEEE80211_RTS_MAX 2346 654 655 /* 656 * TX fragmentation parameters. As above for RTS, we treat 657 * default as implementation-dependent so define it elsewhere. 658 */ 659 #define IEEE80211_FRAG_MIN 256 660 #define IEEE80211_FRAG_MAX 2346 661 662 /* 663 * 802.11 frame duration definitions. 664 */ 665 666 struct ieee80211_duration { 667 uint16_t d_rts_dur; 668 uint16_t d_data_dur; 669 uint16_t d_plcp_len; 670 uint8_t d_residue; /* unused octets in time slot */ 671 }; 672 673 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 674 #define IEEE80211_DUR_TU 1024 675 676 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 677 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 678 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 679 680 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 681 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 682 #define IEEE80211_DUR_DS_SLOW_ACK 112 683 #define IEEE80211_DUR_DS_FAST_ACK 56 684 #define IEEE80211_DUR_DS_SLOW_CTS 112 685 #define IEEE80211_DUR_DS_FAST_CTS 56 686 687 #define IEEE80211_DUR_DS_SLOT 20 688 #define IEEE80211_DUR_DS_SIFS 10 689 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 690 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 691 2 * IEEE80211_DUR_DS_SLOT) 692 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 693 IEEE80211_DUR_DS_SLOW_ACK + \ 694 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 695 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 696 IEEE80211_DUR_DS_DIFS) 697 698 699 #endif /* !_NET80211_IEEE80211_H_ */ 700
Indexes created Tue Oct 07 21:09:53 GMT 2025