ieee80211.h revision 1.10
1 /* $NetBSD: ieee80211.h,v 1.10 2004/12/27 01:51:49 mycroft Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002-2004 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 1.5 2004/04/05 17:47:40 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 } __attribute__((__packed__)); 54 55 #define IEEE80211_PLCP_SFD 0xF3A0 56 57 /* 58 * generic definitions for IEEE 802.11 frames 59 */ 60 struct ieee80211_frame { 61 u_int8_t i_fc[2]; 62 u_int8_t i_dur[2]; 63 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 64 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 65 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 66 u_int8_t i_seq[2]; 67 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 68 /* see below */ 69 } __attribute__((__packed__)); 70 71 struct ieee80211_qosframe { 72 u_int8_t i_fc[2]; 73 u_int8_t i_dur[2]; 74 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 75 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 76 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 77 u_int8_t i_seq[2]; 78 u_int8_t i_qos[2]; 79 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 80 /* see below */ 81 } __attribute__((__packed__)); 82 83 struct ieee80211_qoscntl { 84 u_int8_t i_qos[2]; 85 }; 86 87 struct ieee80211_frame_addr4 { 88 u_int8_t i_fc[2]; 89 u_int8_t i_dur[2]; 90 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 91 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 92 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 93 u_int8_t i_seq[2]; 94 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 95 } __attribute__((__packed__)); 96 97 98 struct ieee80211_qosframe_addr4 { 99 u_int8_t i_fc[2]; 100 u_int8_t i_dur[2]; 101 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 102 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 103 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 104 u_int8_t i_seq[2]; 105 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 106 u_int8_t i_qos[2]; 107 } __attribute__((__packed__)); 108 109 #define IEEE80211_FC0_VERSION_MASK 0x03 110 #define IEEE80211_FC0_VERSION_SHIFT 0 111 #define IEEE80211_FC0_VERSION_0 0x00 112 #define IEEE80211_FC0_TYPE_MASK 0x0c 113 #define IEEE80211_FC0_TYPE_SHIFT 2 114 #define IEEE80211_FC0_TYPE_MGT 0x00 115 #define IEEE80211_FC0_TYPE_CTL 0x04 116 #define IEEE80211_FC0_TYPE_DATA 0x08 117 118 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 119 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 120 /* for TYPE_MGT */ 121 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 122 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 123 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 124 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 125 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 126 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 127 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 128 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 129 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 130 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 131 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 132 /* for TYPE_CTL */ 133 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 134 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 135 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 136 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 137 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 138 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 139 /* for TYPE_DATA (bit combination) */ 140 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 141 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 142 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 143 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 144 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 145 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 146 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 147 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 148 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 149 150 #define IEEE80211_FC1_DIR_MASK 0x03 151 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 152 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 153 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 154 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 155 156 #define IEEE80211_FC1_MORE_FRAG 0x04 157 #define IEEE80211_FC1_RETRY 0x08 158 #define IEEE80211_FC1_PWR_MGT 0x10 159 #define IEEE80211_FC1_MORE_DATA 0x20 160 #define IEEE80211_FC1_WEP 0x40 161 #define IEEE80211_FC1_ORDER 0x80 162 163 #define IEEE80211_SEQ_FRAG_MASK 0x000f 164 #define IEEE80211_SEQ_FRAG_SHIFT 0 165 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 166 #define IEEE80211_SEQ_SEQ_SHIFT 4 167 168 #define IEEE80211_NWID_LEN 32 169 170 #define IEEE80211_QOS_TXOP 0x00ff 171 /* bit 8 is reserved */ 172 #define IEEE80211_QOS_ACKPOLICY 0x0600 173 #define IEEE80211_QOS_ESOP 0x0800 174 #define IEEE80211_QOS_TID 0xf000 175 176 /* 177 * WME/802.11e information element. 178 */ 179 struct ieee80211_ie_wme { 180 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 181 u_int8_t wme_len; /* length in bytes */ 182 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 183 u_int8_t wme_type; /* OUI type */ 184 u_int8_t wme_subtype; /* OUI subtype */ 185 u_int8_t wme_version; /* spec revision */ 186 u_int8_t wme_info; /* AC info */ 187 } __attribute__((__packed__)); 188 189 /* 190 * WME/802.11e Tspec Element 191 */ 192 struct ieee80211_wme_tspec { 193 u_int8_t ts_id; 194 u_int8_t ts_len; 195 u_int8_t ts_oui[3]; 196 u_int8_t ts_oui_type; 197 u_int8_t ts_oui_subtype; 198 u_int8_t ts_version; 199 u_int8_t ts_tsinfo[3]; 200 u_int8_t ts_nom_msdu[2]; 201 u_int8_t ts_max_msdu[2]; 202 u_int8_t ts_min_svc[4]; 203 u_int8_t ts_max_svc[4]; 204 u_int8_t ts_inactv_intv[4]; 205 u_int8_t ts_susp_intv[4]; 206 u_int8_t ts_start_svc[4]; 207 u_int8_t ts_min_rate[4]; 208 u_int8_t ts_mean_rate[4]; 209 u_int8_t ts_max_burst[4]; 210 u_int8_t ts_min_phy[4]; 211 u_int8_t ts_peak_rate[4]; 212 u_int8_t ts_delay[4]; 213 u_int8_t ts_surplus[2]; 214 u_int8_t ts_medium_time[2]; 215 } __attribute__((__packed__)); 216 217 /* 218 * Management Notification Frame 219 */ 220 struct ieee80211_mnf { 221 u_int8_t mnf_category; 222 u_int8_t mnf_action; 223 u_int8_t mnf_dialog; 224 u_int8_t mnf_status; 225 } __attribute__((__packed__)); 226 #define MNF_SETUP_REQ 0 227 #define MNF_SETUP_RESP 1 228 #define MNF_TEARDOWN 2 229 230 /* 231 * Control frames. 232 */ 233 struct ieee80211_frame_min { 234 u_int8_t i_fc[2]; 235 u_int8_t i_dur[2]; 236 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 237 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 238 /* FCS */ 239 } __attribute__((__packed__)); 240 241 struct ieee80211_frame_rts { 242 u_int8_t i_fc[2]; 243 u_int8_t i_dur[2]; 244 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 245 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 246 /* FCS */ 247 } __attribute__((__packed__)); 248 249 struct ieee80211_frame_cts { 250 u_int8_t i_fc[2]; 251 u_int8_t i_dur[2]; 252 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 253 /* FCS */ 254 } __attribute__((__packed__)); 255 256 struct ieee80211_frame_ack { 257 u_int8_t i_fc[2]; 258 u_int8_t i_dur[2]; 259 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 260 /* FCS */ 261 } __attribute__((__packed__)); 262 263 struct ieee80211_frame_pspoll { 264 u_int8_t i_fc[2]; 265 u_int8_t i_aid[2]; 266 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 267 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 268 /* FCS */ 269 } __attribute__((__packed__)); 270 271 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 272 u_int8_t i_fc[2]; 273 u_int8_t i_dur[2]; /* should be zero */ 274 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 275 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 276 /* FCS */ 277 } __attribute__((__packed__)); 278 279 /* 280 * BEACON management packets 281 * 282 * octet timestamp[8] 283 * octet beacon interval[2] 284 * octet capability information[2] 285 * information element 286 * octet elemid 287 * octet length 288 * octet information[length] 289 */ 290 291 typedef u_int8_t *ieee80211_mgt_beacon_t; 292 293 #define IEEE80211_BEACON_INTERVAL(beacon) \ 294 ((beacon)[8] | ((beacon)[9] << 8)) 295 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 296 ((beacon)[10] | ((beacon)[11] << 8)) 297 298 #define IEEE80211_CAPINFO_ESS 0x0001 299 #define IEEE80211_CAPINFO_IBSS 0x0002 300 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 301 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 302 #define IEEE80211_CAPINFO_PRIVACY 0x0010 303 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 304 #define IEEE80211_CAPINFO_PBCC 0x0040 305 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 306 /* bits 8-9 are reserved */ 307 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 308 #define IEEE80211_CAPINFO_RSN 0x0800 309 /* bit 12 is reserved */ 310 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 311 /* bits 14-15 are reserved */ 312 313 /* 314 * 802.11i/WPA information element (maximally sized). 315 */ 316 struct ieee80211_ie_wpa { 317 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 318 u_int8_t wpa_len; /* length in bytes */ 319 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 320 u_int8_t wpa_type; /* OUI type */ 321 u_int16_t wpa_version; /* spec revision */ 322 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 323 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 324 u_int32_t wpa_uciphers[8];/* ciphers */ 325 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 326 u_int32_t wpa_authsels[8];/* selectors */ 327 u_int16_t wpa_caps; /* 802.11i capabilities */ 328 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 329 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */ 330 } __attribute__((__packed__)); 331 332 /* 333 * Management information element payloads 334 */ 335 union ieee80211_information { 336 char ssid[IEEE80211_NWID_LEN+1]; 337 struct rates { 338 u_int8_t *p; 339 } rates; 340 struct fh { 341 u_int16_t dwell; 342 u_int8_t set; 343 u_int8_t pattern; 344 u_int8_t index; 345 } fh; 346 struct ds { 347 u_int8_t channel; 348 } ds; 349 struct cf { 350 u_int8_t count; 351 u_int8_t period; 352 u_int8_t maxdur[2]; 353 u_int8_t dur[2]; 354 } cf; 355 struct tim { 356 u_int8_t count; 357 u_int8_t period; 358 u_int8_t bitctl; 359 /* u_int8_t pvt[251]; The driver needs to use this. */ 360 } tim; 361 struct ibss { 362 u_int16_t atim; 363 } ibss; 364 struct challenge { 365 u_int8_t *p; 366 u_int8_t len; 367 } challenge; 368 struct erp { 369 u_int8_t flags; 370 } erp; 371 struct country { 372 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 373 struct { 374 u_int8_t schan; /* starting channel */ 375 u_int8_t nchan; /* number channels */ 376 u_int8_t maxtxpwr; 377 } band[4]; /* up to 4 sub bands */ 378 } country; 379 struct ath { 380 u_int8_t flags; 381 } ath; 382 }; 383 384 enum { 385 IEEE80211_ELEMID_SSID = 0, 386 IEEE80211_ELEMID_RATES = 1, 387 IEEE80211_ELEMID_FHPARMS = 2, 388 IEEE80211_ELEMID_DSPARMS = 3, 389 IEEE80211_ELEMID_CFPARMS = 4, 390 IEEE80211_ELEMID_TIM = 5, 391 IEEE80211_ELEMID_IBSSPARMS = 6, 392 IEEE80211_ELEMID_COUNTRY = 7, 393 IEEE80211_ELEMID_CHALLENGE = 16, 394 /* 17-31 reserved for challenge text extension */ 395 IEEE80211_ELEMID_ERP = 42, 396 IEEE80211_ELEMID_RSN = 48, 397 IEEE80211_ELEMID_XRATES = 50, 398 IEEE80211_ELEMID_TPC = 150, 399 IEEE80211_ELEMID_CCKM = 156, 400 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 401 }; 402 403 #define IEEE80211_CHALLENGE_LEN 128 404 405 #define IEEE80211_RATE_BASIC 0x80 406 #define IEEE80211_RATE_VAL 0x7f 407 408 /* EPR information element flags */ 409 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 410 #define IEEE80211_ERP_USE_PROTECTION 0x02 411 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 412 413 /* Atheros private advanced capabilities info */ 414 #define ATHEROS_CAP_TURBO_PRIME 0x01 415 #define ATHEROS_CAP_COMPRESSION 0x02 416 #define ATHEROS_CAP_FAST_FRAME 0x04 417 /* bits 3-6 reserved */ 418 #define ATHEROS_CAP_BOOST 0x80 419 420 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 421 #define ATH_OUI_TYPE 0x01 422 #define ATH_OUI_VERSION 0x01 423 424 #define WPA_OUI 0xf25000 425 #define WPA_OUI_TYPE 0x01 426 #define WPA_VERSION 1 /* current supported version */ 427 428 #define WPA_CSE_NULL 0x00 429 #define WPA_CSE_WEP40 0x01 430 #define WPA_CSE_TKIP 0x02 431 #define WPA_CSE_CCMP 0x04 432 #define WPA_CSE_WEP104 0x05 433 434 #define WPA_ASE_NONE 0x00 435 #define WPA_ASE_8021X_UNSPEC 0x01 436 #define WPA_ASE_8021X_PSK 0x02 437 438 #define RSN_OUI 0xac0f00 439 #define RSN_VERSION 1 /* current supported version */ 440 441 #define RSN_CSE_NULL 0x00 442 #define RSN_CSE_WEP40 0x01 443 #define RSN_CSE_TKIP 0x02 444 #define RSN_CSE_WRAP 0x03 445 #define RSN_CSE_CCMP 0x04 446 #define RSN_CSE_WEP104 0x05 447 448 #define RSN_ASE_NONE 0x00 449 #define RSN_ASE_8021X_UNSPEC 0x01 450 #define RSN_ASE_8021X_PSK 0x02 451 452 #define WME_OUI 0xf25000 453 #define WME_OUI_TYPE 0x02 454 #define WME_VERSION 1 455 456 /* WME stream classes */ 457 #define WME_AC_BE 0 /* best effort */ 458 #define WME_AC_BK 1 /* background */ 459 #define WME_AC_VI 2 /* video */ 460 #define WME_AC_VO 3 /* voice */ 461 462 /* 463 * AUTH management packets 464 * 465 * octet algo[2] 466 * octet seq[2] 467 * octet status[2] 468 * octet chal.id 469 * octet chal.length 470 * octet chal.text[253] 471 */ 472 473 typedef u_int8_t *ieee80211_mgt_auth_t; 474 475 #define IEEE80211_AUTH_ALGORITHM(auth) \ 476 ((auth)[0] | ((auth)[1] << 8)) 477 #define IEEE80211_AUTH_TRANSACTION(auth) \ 478 ((auth)[2] | ((auth)[3] << 8)) 479 #define IEEE80211_AUTH_STATUS(auth) \ 480 ((auth)[4] | ((auth)[5] << 8)) 481 482 #define IEEE80211_AUTH_ALG_OPEN 0x0000 483 #define IEEE80211_AUTH_ALG_SHARED 0x0001 484 #define IEEE80211_AUTH_ALG_LEAP 0x0080 485 486 enum { 487 IEEE80211_AUTH_OPEN_REQUEST = 1, 488 IEEE80211_AUTH_OPEN_RESPONSE = 2, 489 }; 490 491 enum { 492 IEEE80211_AUTH_SHARED_REQUEST = 1, 493 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 494 IEEE80211_AUTH_SHARED_RESPONSE = 3, 495 IEEE80211_AUTH_SHARED_PASS = 4, 496 }; 497 498 /* 499 * Reason codes 500 * 501 * Unlisted codes are reserved 502 */ 503 504 enum { 505 IEEE80211_REASON_UNSPECIFIED = 1, 506 IEEE80211_REASON_AUTH_EXPIRE = 2, 507 IEEE80211_REASON_AUTH_LEAVE = 3, 508 IEEE80211_REASON_ASSOC_EXPIRE = 4, 509 IEEE80211_REASON_ASSOC_TOOMANY = 5, 510 IEEE80211_REASON_NOT_AUTHED = 6, 511 IEEE80211_REASON_NOT_ASSOCED = 7, 512 IEEE80211_REASON_ASSOC_LEAVE = 8, 513 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 514 515 IEEE80211_REASON_RSN_REQUIRED = 11, 516 IEEE80211_REASON_RSN_INCONSISTENT = 12, 517 IEEE80211_REASON_IE_INVALID = 13, 518 IEEE80211_REASON_MIC_FAILURE = 14, 519 520 IEEE80211_STATUS_SUCCESS = 0, 521 IEEE80211_STATUS_UNSPECIFIED = 1, 522 IEEE80211_STATUS_CAPINFO = 10, 523 IEEE80211_STATUS_NOT_ASSOCED = 11, 524 IEEE80211_STATUS_OTHER = 12, 525 IEEE80211_STATUS_ALG = 13, 526 IEEE80211_STATUS_SEQUENCE = 14, 527 IEEE80211_STATUS_CHALLENGE = 15, 528 IEEE80211_STATUS_TIMEOUT = 16, 529 IEEE80211_STATUS_TOOMANY = 17, 530 IEEE80211_STATUS_BASIC_RATE = 18, 531 IEEE80211_STATUS_SP_REQUIRED = 19, 532 IEEE80211_STATUS_PBCC_REQUIRED = 20, 533 IEEE80211_STATUS_CA_REQUIRED = 21, 534 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 535 IEEE80211_STATUS_RATES = 23, 536 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 537 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, 538 }; 539 540 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 541 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 542 543 /* WEP header constants */ 544 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 545 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 546 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 547 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 548 IEEE80211_WEP_KIDLEN + \ 549 IEEE80211_WEP_CRCLEN) 550 /* 551 * 802.11i defines an extended IV for use with non-WEP ciphers. 552 * When the EXTIV bit is set in the key id byte an additional 553 * 4 bytes immediately follow the IV for TKIP. For CCMP the 554 * EXTIV bit is likewise set but the 8 bytes represent the 555 * CCMP header rather than IV+extended-IV. 556 */ 557 #define IEEE80211_WEP_EXTIV 0x20 558 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 559 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 560 561 #define IEEE80211_CRC_LEN 4 562 563 /* 564 * Maximum acceptable MTU is: 565 * IEEE80211_MAX_LEN - WEP overhead - CRC - 566 * QoS overhead - RSN/WPA overhead 567 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 568 * mtu is Ethernet-compatible; it's set by ether_ifattach. 569 */ 570 #define IEEE80211_MTU_MAX 2290 571 #define IEEE80211_MTU_MIN 32 572 573 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 574 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 575 #define IEEE80211_ACK_LEN \ 576 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 577 #define IEEE80211_MIN_LEN \ 578 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 579 580 /* 581 * The 802.11 spec says at most 2007 stations may be 582 * associated at once. For most AP's this is way more 583 * than is feasible so we use a default of 128. This 584 * number may be overridden by the driver and/or by 585 * user configuration. 586 */ 587 #define IEEE80211_AID_MAX 2007 588 #define IEEE80211_AID_DEF 128 589 590 #define IEEE80211_AID(b) ((b) &~ 0xc000) 591 #define IEEE80211_AID_SET(b, w) \ 592 ((w)[IEEE80211_AID(b) / 32] |= (1 << (IEEE80211_AID(b) % 32))) 593 #define IEEE80211_AID_CLR(b, w) \ 594 ((w)[IEEE80211_AID(b) / 32] &= ~(1 << (IEEE80211_AID(b) % 32))) 595 #define IEEE80211_AID_ISSET(b, w) \ 596 ((w)[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32))) 597 598 /* 599 * RTS frame length parameters. The default is specified in 600 * the 802.11 spec. The max may be wrong for jumbo frames. 601 */ 602 #define IEEE80211_RTS_DEFAULT 512 603 #define IEEE80211_RTS_MIN 1 604 #define IEEE80211_RTS_MAX IEEE80211_MAX_LEN 605 606 /* 607 * 802.11 frame duration definitions. 608 */ 609 610 struct ieee80211_duration { 611 uint16_t d_rts_dur; 612 uint16_t d_data_dur; 613 uint16_t d_plcp_len; 614 uint8_t d_residue; /* unused octets in time slot */ 615 }; 616 617 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 618 #define IEEE80211_DUR_TU 1024 619 620 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 621 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 622 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 623 #define IEEE80211_DUR_DS_PREAMBLE_DIFFERENCE \ 624 (IEEE80211_DUR_DS_LONG_PREAMBLE - IEEE80211_DUR_DS_SHORT_PREAMBLE) 625 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 626 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 627 #define IEEE80211_DUR_DS_PLCPHDR_DIFFERENCE \ 628 (IEEE80211_DUR_DS_SLOW_PLCPHDR - IEEE80211_DUR_DS_FAST_PLCPHDR) 629 #define IEEE80211_DUR_DS_SLOW_ACK 112 630 #define IEEE80211_DUR_DS_FAST_ACK 56 631 #define IEEE80211_DUR_DS_SLOW_CTS 112 632 #define IEEE80211_DUR_DS_FAST_CTS 56 633 #define IEEE80211_DUR_DS_SLOT 20 634 #define IEEE80211_DUR_DS_SIFS 10 635 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 636 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 637 2 * IEEE80211_DUR_DS_SLOT) 638 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 639 IEEE80211_DUR_DS_SLOW_ACK + \ 640 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 641 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 642 IEEE80211_DUR_DIFS) 643 644 enum { 645 IEEE80211_AUTH_NONE = 0, 646 IEEE80211_AUTH_OPEN = 1, /* open */ 647 IEEE80211_AUTH_SHARED = 2, /* shared-key */ 648 IEEE80211_AUTH_8021X = 3, /* 802.1x */ 649 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ 650 /* NB: these are used only for ioctls */ 651 IEEE80211_AUTH_WPA = 5, /* WPA w/ 802.1x */ 652 IEEE80211_AUTH_WPA_PSK = 6, /* WPA w/ preshared key */ 653 IEEE80211_AUTH_WPA2 = 7, /* WPA2 w/ 802.1x */ 654 IEEE80211_AUTH_WPA2_PSK = 8, /* WPA2 w/ preshared key */ 655 }; 656 657 #endif /* _NET80211_IEEE80211_H_ */ 658
Indexes created Sat Sep 27 14:09:57 GMT 2025