1 /* $NetBSD: ieee80211.h,v 1.22 2012/08/20 07:30:10 christos 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 /* 174 * QoS Control field (see 7.1.3.5). 175 */ 176 /* bit 8 is reserved */ 177 #define IEEE80211_QOS_TXOP 0xff00 178 #define IEEE80211_QOS_AMSDU 0x0080 /* 11n */ 179 #define IEEE80211_QOS_ACKPOLICY_NORMAL 0x0000 180 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x0020 181 #define IEEE80211_QOS_ACKPOLICY_NOEXPLACK 0x0040 182 #define IEEE80211_QOS_ACKPOLICY 0x0060 183 #define IEEE80211_QOS_ACKPOLICY_S 5 184 #define IEEE80211_QOS_ACKPOLICY_MASK 0x0060 185 #define IEEE80211_QOS_ACKPOLICY_BA 0x0060 186 #define IEEE80211_QOS_ESOP 0x0010 187 #define IEEE80211_QOS_ESOP_S 4 188 #define IEEE80211_QOS_TID 0x000f 189 190 /* does frame have QoS sequence control data */ 191 #define IEEE80211_QOS_HAS_SEQ(wh) \ 192 (((wh)->i_fc[0] & \ 193 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 194 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 195 196 /* 197 * WME/802.11e information element. 198 */ 199 struct ieee80211_wme_info { 200 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 201 u_int8_t wme_len; /* length in bytes */ 202 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 203 u_int8_t wme_type; /* OUI type */ 204 u_int8_t wme_subtype; /* OUI subtype */ 205 u_int8_t wme_version; /* spec revision */ 206 u_int8_t wme_info; /* QoS info */ 207 } __packed; 208 209 /* 210 * WME/802.11e Tspec Element 211 */ 212 struct ieee80211_wme_tspec { 213 u_int8_t ts_id; 214 u_int8_t ts_len; 215 u_int8_t ts_oui[3]; 216 u_int8_t ts_oui_type; 217 u_int8_t ts_oui_subtype; 218 u_int8_t ts_version; 219 u_int8_t ts_tsinfo[3]; 220 u_int8_t ts_nom_msdu[2]; 221 u_int8_t ts_max_msdu[2]; 222 u_int8_t ts_min_svc[4]; 223 u_int8_t ts_max_svc[4]; 224 u_int8_t ts_inactv_intv[4]; 225 u_int8_t ts_susp_intv[4]; 226 u_int8_t ts_start_svc[4]; 227 u_int8_t ts_min_rate[4]; 228 u_int8_t ts_mean_rate[4]; 229 u_int8_t ts_max_burst[4]; 230 u_int8_t ts_min_phy[4]; 231 u_int8_t ts_peak_rate[4]; 232 u_int8_t ts_delay[4]; 233 u_int8_t ts_surplus[2]; 234 u_int8_t ts_medium_time[2]; 235 } __packed; 236 237 /* 238 * WME AC parameter field 239 */ 240 struct ieee80211_wme_acparams { 241 u_int8_t acp_aci_aifsn; 242 u_int8_t acp_logcwminmax; 243 u_int16_t acp_txop; 244 } __packed; 245 246 #define WME_NUM_AC 4 /* 4 AC categories */ 247 248 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 249 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 250 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 251 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 252 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 253 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 254 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 255 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 256 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 257 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 258 259 #define WME_AC_TO_TID(_ac) ( \ 260 ((_ac) == WME_AC_VO) ? 6 : \ 261 ((_ac) == WME_AC_VI) ? 5 : \ 262 ((_ac) == WME_AC_BK) ? 1 : \ 263 0) 264 265 #define TID_TO_WME_AC(_tid) ( \ 266 ((_tid) < 1) ? WME_AC_BE : \ 267 ((_tid) < 3) ? WME_AC_BK : \ 268 ((_tid) < 6) ? WME_AC_VI : \ 269 WME_AC_VO) 270 271 /* 272 * WME Parameter Element 273 */ 274 struct ieee80211_wme_param { 275 u_int8_t param_id; 276 u_int8_t param_len; 277 u_int8_t param_oui[3]; 278 u_int8_t param_oui_type; 279 u_int8_t param_oui_sybtype; 280 u_int8_t param_version; 281 u_int8_t param_qosInfo; 282 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 283 u_int8_t param_reserved; 284 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 285 } __packed; 286 287 /* 288 * Management Notification Frame 289 */ 290 struct ieee80211_mnf { 291 u_int8_t mnf_category; 292 u_int8_t mnf_action; 293 u_int8_t mnf_dialog; 294 u_int8_t mnf_status; 295 } __packed; 296 #define MNF_SETUP_REQ 0 297 #define MNF_SETUP_RESP 1 298 #define MNF_TEARDOWN 2 299 300 /* 301 * Control frames. 302 */ 303 struct ieee80211_frame_min { 304 u_int8_t i_fc[2]; 305 u_int8_t i_dur[2]; 306 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 307 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 308 /* FCS */ 309 } __packed; 310 311 struct ieee80211_frame_rts { 312 u_int8_t i_fc[2]; 313 u_int8_t i_dur[2]; 314 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 315 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 316 /* FCS */ 317 } __packed; 318 319 struct ieee80211_frame_cts { 320 u_int8_t i_fc[2]; 321 u_int8_t i_dur[2]; 322 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 323 /* FCS */ 324 } __packed; 325 326 struct ieee80211_frame_ack { 327 u_int8_t i_fc[2]; 328 u_int8_t i_dur[2]; 329 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 330 /* FCS */ 331 } __packed; 332 333 struct ieee80211_frame_pspoll { 334 u_int8_t i_fc[2]; 335 u_int8_t i_aid[2]; 336 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 337 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 338 /* FCS */ 339 } __packed; 340 341 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 342 u_int8_t i_fc[2]; 343 u_int8_t i_dur[2]; /* should be zero */ 344 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 345 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 346 /* FCS */ 347 } __packed; 348 349 /* 350 * BEACON management packets 351 * 352 * octet timestamp[8] 353 * octet beacon interval[2] 354 * octet capability information[2] 355 * information element 356 * octet elemid 357 * octet length 358 * octet information[length] 359 */ 360 361 typedef u_int8_t *ieee80211_mgt_beacon_t; 362 363 #define IEEE80211_BEACON_INTERVAL(beacon) \ 364 ((beacon)[8] | ((beacon)[9] << 8)) 365 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 366 ((beacon)[10] | ((beacon)[11] << 8)) 367 368 #define IEEE80211_CAPINFO_ESS 0x0001 369 #define IEEE80211_CAPINFO_IBSS 0x0002 370 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 371 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 372 #define IEEE80211_CAPINFO_PRIVACY 0x0010 373 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 374 #define IEEE80211_CAPINFO_PBCC 0x0040 375 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 376 /* bits 8-9 are reserved */ 377 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 378 #define IEEE80211_CAPINFO_RSN 0x0800 379 /* bit 12 is reserved */ 380 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 381 /* bits 14-15 are reserved */ 382 383 /* 384 * 802.11i/WPA information element (maximally sized). 385 */ 386 struct ieee80211_ie_wpa { 387 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 388 u_int8_t wpa_len; /* length in bytes */ 389 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 390 u_int8_t wpa_type; /* OUI type */ 391 u_int16_t wpa_version; /* spec revision */ 392 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 393 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 394 u_int32_t wpa_uciphers[8];/* ciphers */ 395 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 396 u_int32_t wpa_authsels[8];/* selectors */ 397 u_int16_t wpa_caps; /* 802.11i capabilities */ 398 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 399 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */ 400 } __packed; 401 402 /* 403 * Management information element payloads. 404 */ 405 406 enum { 407 IEEE80211_ELEMID_SSID = 0, 408 IEEE80211_ELEMID_RATES = 1, 409 IEEE80211_ELEMID_FHPARMS = 2, 410 IEEE80211_ELEMID_DSPARMS = 3, 411 IEEE80211_ELEMID_CFPARMS = 4, 412 IEEE80211_ELEMID_TIM = 5, 413 IEEE80211_ELEMID_IBSSPARMS = 6, 414 IEEE80211_ELEMID_COUNTRY = 7, 415 IEEE80211_ELEMID_EDCAPARMS = 12, 416 IEEE80211_ELEMID_CHALLENGE = 16, 417 /* 17-31 reserved for challenge text extension */ 418 IEEE80211_ELEMID_PWRCNSTR = 32, 419 IEEE80211_ELEMID_PWRCAP = 33, 420 IEEE80211_ELEMID_TPCREQ = 34, 421 IEEE80211_ELEMID_TPCREP = 35, 422 IEEE80211_ELEMID_SUPPCHAN = 36, 423 IEEE80211_ELEMID_CHANSWITCHANN = 37, 424 IEEE80211_ELEMID_MEASREQ = 38, 425 IEEE80211_ELEMID_MEASREP = 39, 426 IEEE80211_ELEMID_QUIET = 40, 427 IEEE80211_ELEMID_IBSSDFS = 41, 428 IEEE80211_ELEMID_ERP = 42, 429 IEEE80211_ELEMID_HTCAP = 45, /* 11n */ 430 IEEE80211_ELEMID_QOS_CAP = 46, 431 IEEE80211_ELEMID_RSN = 48, 432 IEEE80211_ELEMID_XRATES = 50, 433 IEEE80211_ELEMID_TIE = 56, /* 11r */ 434 IEEE80211_ELEMID_HTINFO = 61, /* 11n */ 435 IEEE80211_ELEMID_MMIE = 76, /* 11w */ 436 IEEE80211_ELEMID_TPC = 150, 437 IEEE80211_ELEMID_CCKM = 156, 438 IEEE80211_ELEMID_VENDOR = 221 /* vendor private */ 439 }; 440 441 struct ieee80211_tim_ie { 442 u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 443 u_int8_t tim_len; 444 u_int8_t tim_count; /* DTIM count */ 445 u_int8_t tim_period; /* DTIM period */ 446 u_int8_t tim_bitctl; /* bitmap control */ 447 u_int8_t tim_bitmap[1]; /* variable-length bitmap */ 448 } __packed; 449 450 struct ieee80211_band { 451 u_int8_t schan; /* starting channel */ 452 u_int8_t nchan; /* number channels */ 453 u_int8_t maxtxpwr; /* tx power cap */ 454 } __packed; 455 456 struct ieee80211_country_ie { 457 u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 458 u_int8_t len; 459 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 460 struct ieee80211_band band[4]; /* up to 4 sub bands */ 461 } __packed; 462 463 #define IEEE80211_CHALLENGE_LEN 128 464 465 #define IEEE80211_RATE_BASIC 0x80 466 #define IEEE80211_RATE_VAL 0x7f 467 468 /* EPR information element flags */ 469 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 470 #define IEEE80211_ERP_USE_PROTECTION 0x02 471 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 472 473 /* Atheros private advanced capabilities info */ 474 #define ATHEROS_CAP_TURBO_PRIME 0x01 475 #define ATHEROS_CAP_COMPRESSION 0x02 476 #define ATHEROS_CAP_FAST_FRAME 0x04 477 /* bits 3-6 reserved */ 478 #define ATHEROS_CAP_BOOST 0x80 479 480 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 481 #define ATH_OUI_TYPE 0x01 482 #define ATH_OUI_VERSION 0x01 483 484 #define WPA_OUI 0xf25000 485 #define WPA_OUI_TYPE 0x01 486 #define WPA_VERSION 1 /* current supported version */ 487 488 #define WPA_CSE_NULL 0x00 489 #define WPA_CSE_WEP40 0x01 490 #define WPA_CSE_TKIP 0x02 491 #define WPA_CSE_CCMP 0x04 492 #define WPA_CSE_WEP104 0x05 493 494 #define WPA_ASE_NONE 0x00 495 #define WPA_ASE_8021X_UNSPEC 0x01 496 #define WPA_ASE_8021X_PSK 0x02 497 498 #define RSN_OUI 0xac0f00 499 #define RSN_VERSION 1 /* current supported version */ 500 501 #define RSN_CSE_NULL 0x00 502 #define RSN_CSE_WEP40 0x01 503 #define RSN_CSE_TKIP 0x02 504 #define RSN_CSE_WRAP 0x03 505 #define RSN_CSE_CCMP 0x04 506 #define RSN_CSE_WEP104 0x05 507 508 #define RSN_ASE_NONE 0x00 509 #define RSN_ASE_8021X_UNSPEC 0x01 510 #define RSN_ASE_8021X_PSK 0x02 511 512 #define RSN_CAP_PREAUTH 0x01 513 514 #define WME_OUI 0xf25000 515 #define WME_OUI_TYPE 0x02 516 #define WME_INFO_OUI_SUBTYPE 0x00 517 #define WME_PARAM_OUI_SUBTYPE 0x01 518 #define WME_VERSION 1 519 520 /* WME stream classes */ 521 #define WME_AC_BE 0 /* best effort */ 522 #define WME_AC_BK 1 /* background */ 523 #define WME_AC_VI 2 /* video */ 524 #define WME_AC_VO 3 /* voice */ 525 526 /* 527 * AUTH management packets 528 * 529 * octet algo[2] 530 * octet seq[2] 531 * octet status[2] 532 * octet chal.id 533 * octet chal.length 534 * octet chal.text[253] 535 */ 536 537 typedef u_int8_t *ieee80211_mgt_auth_t; 538 539 #define IEEE80211_AUTH_ALGORITHM(auth) \ 540 ((auth)[0] | ((auth)[1] << 8)) 541 #define IEEE80211_AUTH_TRANSACTION(auth) \ 542 ((auth)[2] | ((auth)[3] << 8)) 543 #define IEEE80211_AUTH_STATUS(auth) \ 544 ((auth)[4] | ((auth)[5] << 8)) 545 546 #define IEEE80211_AUTH_ALG_OPEN 0x0000 547 #define IEEE80211_AUTH_ALG_SHARED 0x0001 548 #define IEEE80211_AUTH_ALG_LEAP 0x0080 549 550 enum { 551 IEEE80211_AUTH_OPEN_REQUEST = 1, 552 IEEE80211_AUTH_OPEN_RESPONSE = 2 553 }; 554 555 enum { 556 IEEE80211_AUTH_SHARED_REQUEST = 1, 557 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 558 IEEE80211_AUTH_SHARED_RESPONSE = 3, 559 IEEE80211_AUTH_SHARED_PASS = 4 560 }; 561 562 /* 563 * Reason codes 564 * 565 * Unlisted codes are reserved 566 */ 567 568 enum { 569 IEEE80211_REASON_UNSPECIFIED = 1, 570 IEEE80211_REASON_AUTH_EXPIRE = 2, 571 IEEE80211_REASON_AUTH_LEAVE = 3, 572 IEEE80211_REASON_ASSOC_EXPIRE = 4, 573 IEEE80211_REASON_ASSOC_TOOMANY = 5, 574 IEEE80211_REASON_NOT_AUTHED = 6, 575 IEEE80211_REASON_NOT_ASSOCED = 7, 576 IEEE80211_REASON_ASSOC_LEAVE = 8, 577 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 578 579 IEEE80211_REASON_RSN_REQUIRED = 11, 580 IEEE80211_REASON_RSN_INCONSISTENT = 12, 581 IEEE80211_REASON_IE_INVALID = 13, 582 IEEE80211_REASON_MIC_FAILURE = 14, 583 584 IEEE80211_STATUS_SUCCESS = 0, 585 IEEE80211_STATUS_UNSPECIFIED = 1, 586 IEEE80211_STATUS_CAPINFO = 10, 587 IEEE80211_STATUS_NOT_ASSOCED = 11, 588 IEEE80211_STATUS_OTHER = 12, 589 IEEE80211_STATUS_ALG = 13, 590 IEEE80211_STATUS_SEQUENCE = 14, 591 IEEE80211_STATUS_CHALLENGE = 15, 592 IEEE80211_STATUS_TIMEOUT = 16, 593 IEEE80211_STATUS_TOOMANY = 17, 594 IEEE80211_STATUS_BASIC_RATE = 18, 595 IEEE80211_STATUS_SP_REQUIRED = 19, 596 IEEE80211_STATUS_PBCC_REQUIRED = 20, 597 IEEE80211_STATUS_CA_REQUIRED = 21, 598 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 599 IEEE80211_STATUS_RATES = 23, 600 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 601 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26 602 }; 603 604 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 605 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 606 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 607 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 608 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 609 IEEE80211_WEP_KIDLEN + \ 610 IEEE80211_WEP_CRCLEN) 611 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 612 613 /* 614 * 802.11i defines an extended IV for use with non-WEP ciphers. 615 * When the EXTIV bit is set in the key id byte an additional 616 * 4 bytes immediately follow the IV for TKIP. For CCMP the 617 * EXTIV bit is likewise set but the 8 bytes represent the 618 * CCMP header rather than IV+extended-IV. 619 */ 620 #define IEEE80211_WEP_EXTIV 0x20 621 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 622 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 623 624 #define IEEE80211_CRC_LEN 4 625 626 /* 627 * Maximum acceptable MTU is: 628 * IEEE80211_MAX_LEN - WEP overhead - CRC - 629 * QoS overhead - RSN/WPA overhead 630 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 631 * mtu is Ethernet-compatible; it's set by ether_ifattach. 632 */ 633 #define IEEE80211_MTU_MAX 2290 634 #define IEEE80211_MTU_MIN 32 635 636 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 637 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 638 #define IEEE80211_ACK_LEN \ 639 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 640 #define IEEE80211_MIN_LEN \ 641 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 642 643 /* 644 * The 802.11 spec says at most 2007 stations may be 645 * associated at once. For most AP's this is way more 646 * than is feasible so we use a default of 128. This 647 * number may be overridden by the driver and/or by 648 * user configuration. 649 */ 650 #define IEEE80211_AID_MAX 2007 651 #define IEEE80211_AID_DEF 128 652 653 #define IEEE80211_AID(b) ((b) &~ 0xc000) 654 655 /* 656 * RTS frame length parameters. The default is specified in 657 * the 802.11 spec as 512; we treat it as implementation-dependent 658 * so it's defined in ieee80211_var.h. The max may be wrong 659 * for jumbo frames. 660 */ 661 #define IEEE80211_RTS_MIN 1 662 #define IEEE80211_RTS_MAX 2346 663 664 /* 665 * TX fragmentation parameters. As above for RTS, we treat 666 * default as implementation-dependent so define it elsewhere. 667 */ 668 #define IEEE80211_FRAG_MIN 256 669 #define IEEE80211_FRAG_MAX 2346 670 671 /* 672 * 802.11 frame duration definitions. 673 */ 674 675 struct ieee80211_duration { 676 uint16_t d_rts_dur; 677 uint16_t d_data_dur; 678 uint16_t d_plcp_len; 679 uint8_t d_residue; /* unused octets in time slot */ 680 }; 681 682 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 683 #define IEEE80211_DUR_TU 1024 684 685 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 686 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 687 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 688 689 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 690 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 691 #define IEEE80211_DUR_DS_SLOW_ACK 112 692 #define IEEE80211_DUR_DS_FAST_ACK 56 693 #define IEEE80211_DUR_DS_SLOW_CTS 112 694 #define IEEE80211_DUR_DS_FAST_CTS 56 695 696 #define IEEE80211_DUR_DS_SLOT 20 697 #define IEEE80211_DUR_DS_SIFS 10 698 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 699 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 700 2 * IEEE80211_DUR_DS_SLOT) 701 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 702 IEEE80211_DUR_DS_SLOW_ACK + \ 703 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 704 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 705 IEEE80211_DUR_DS_DIFS) 706 707 708 #endif /* !_NET80211_IEEE80211_H_ */ 709