ieee80211.h revision 1.9
1 /* $NetBSD: ieee80211.h,v 1.9 2004/12/23 05:25:41 dyoung 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 #define IEEE80211_PLCP_SERVICE 0x00 57 #define IEEE80211_PLCP_SERVICE_PBCC 0x08 /* PBCC encoded */ 58 #define IEEE80211_PLCP_SERVICE_LENEXT 0x80 /* length extension bit */ 59 60 /* 61 * generic definitions for IEEE 802.11 frames 62 */ 63 struct ieee80211_frame { 64 u_int8_t i_fc[2]; 65 u_int8_t i_dur[2]; 66 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 67 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 68 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 69 u_int8_t i_seq[2]; 70 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 71 /* see below */ 72 } __attribute__((__packed__)); 73 74 struct ieee80211_qosframe { 75 u_int8_t i_fc[2]; 76 u_int8_t i_dur[2]; 77 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 78 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 79 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 80 u_int8_t i_seq[2]; 81 u_int8_t i_qos[2]; 82 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 83 /* see below */ 84 } __attribute__((__packed__)); 85 86 struct ieee80211_qoscntl { 87 u_int8_t i_qos[2]; 88 }; 89 90 struct ieee80211_frame_addr4 { 91 u_int8_t i_fc[2]; 92 u_int8_t i_dur[2]; 93 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 94 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 95 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 96 u_int8_t i_seq[2]; 97 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 98 } __attribute__((__packed__)); 99 100 101 struct ieee80211_qosframe_addr4 { 102 u_int8_t i_fc[2]; 103 u_int8_t i_dur[2]; 104 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 105 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 106 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 107 u_int8_t i_seq[2]; 108 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 109 u_int8_t i_qos[2]; 110 } __attribute__((__packed__)); 111 112 #define IEEE80211_FC0_VERSION_MASK 0x03 113 #define IEEE80211_FC0_VERSION_SHIFT 0 114 #define IEEE80211_FC0_VERSION_0 0x00 115 #define IEEE80211_FC0_TYPE_MASK 0x0c 116 #define IEEE80211_FC0_TYPE_SHIFT 2 117 #define IEEE80211_FC0_TYPE_MGT 0x00 118 #define IEEE80211_FC0_TYPE_CTL 0x04 119 #define IEEE80211_FC0_TYPE_DATA 0x08 120 121 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 122 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 123 /* for TYPE_MGT */ 124 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 125 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 126 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 127 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 128 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 129 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 130 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 131 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 132 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 133 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 134 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 135 /* for TYPE_CTL */ 136 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 137 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 138 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 139 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 140 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 141 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 142 /* for TYPE_DATA (bit combination) */ 143 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 144 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 145 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 146 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 147 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 148 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 149 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 150 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 151 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 152 153 #define IEEE80211_FC1_DIR_MASK 0x03 154 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 155 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 156 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 157 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 158 159 #define IEEE80211_FC1_MORE_FRAG 0x04 160 #define IEEE80211_FC1_RETRY 0x08 161 #define IEEE80211_FC1_PWR_MGT 0x10 162 #define IEEE80211_FC1_MORE_DATA 0x20 163 #define IEEE80211_FC1_WEP 0x40 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 0x0600 176 #define IEEE80211_QOS_ESOP 0x0800 177 #define IEEE80211_QOS_TID 0xf000 178 179 /* 180 * WME/802.11e information element. 181 */ 182 struct ieee80211_ie_wme { 183 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 184 u_int8_t wme_len; /* length in bytes */ 185 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 186 u_int8_t wme_type; /* OUI type */ 187 u_int8_t wme_subtype; /* OUI subtype */ 188 u_int8_t wme_version; /* spec revision */ 189 u_int8_t wme_info; /* AC info */ 190 } __attribute__((__packed__)); 191 192 /* 193 * WME/802.11e Tspec Element 194 */ 195 struct ieee80211_wme_tspec { 196 u_int8_t ts_id; 197 u_int8_t ts_len; 198 u_int8_t ts_oui[3]; 199 u_int8_t ts_oui_type; 200 u_int8_t ts_oui_subtype; 201 u_int8_t ts_version; 202 u_int8_t ts_tsinfo[3]; 203 u_int8_t ts_nom_msdu[2]; 204 u_int8_t ts_max_msdu[2]; 205 u_int8_t ts_min_svc[4]; 206 u_int8_t ts_max_svc[4]; 207 u_int8_t ts_inactv_intv[4]; 208 u_int8_t ts_susp_intv[4]; 209 u_int8_t ts_start_svc[4]; 210 u_int8_t ts_min_rate[4]; 211 u_int8_t ts_mean_rate[4]; 212 u_int8_t ts_max_burst[4]; 213 u_int8_t ts_min_phy[4]; 214 u_int8_t ts_peak_rate[4]; 215 u_int8_t ts_delay[4]; 216 u_int8_t ts_surplus[2]; 217 u_int8_t ts_medium_time[2]; 218 } __attribute__((__packed__)); 219 220 /* 221 * Management Notification Frame 222 */ 223 struct ieee80211_mnf { 224 u_int8_t mnf_category; 225 u_int8_t mnf_action; 226 u_int8_t mnf_dialog; 227 u_int8_t mnf_status; 228 } __attribute__((__packed__)); 229 #define MNF_SETUP_REQ 0 230 #define MNF_SETUP_RESP 1 231 #define MNF_TEARDOWN 2 232 233 /* 234 * Control frames. 235 */ 236 struct ieee80211_frame_min { 237 u_int8_t i_fc[2]; 238 u_int8_t i_dur[2]; 239 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 240 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 241 /* FCS */ 242 } __attribute__((__packed__)); 243 244 struct ieee80211_frame_rts { 245 u_int8_t i_fc[2]; 246 u_int8_t i_dur[2]; 247 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 248 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 249 /* FCS */ 250 } __attribute__((__packed__)); 251 252 struct ieee80211_frame_cts { 253 u_int8_t i_fc[2]; 254 u_int8_t i_dur[2]; 255 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 256 /* FCS */ 257 } __attribute__((__packed__)); 258 259 struct ieee80211_frame_ack { 260 u_int8_t i_fc[2]; 261 u_int8_t i_dur[2]; 262 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 263 /* FCS */ 264 } __attribute__((__packed__)); 265 266 struct ieee80211_frame_pspoll { 267 u_int8_t i_fc[2]; 268 u_int8_t i_aid[2]; 269 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 270 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 271 /* FCS */ 272 } __attribute__((__packed__)); 273 274 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 275 u_int8_t i_fc[2]; 276 u_int8_t i_dur[2]; /* should be zero */ 277 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 278 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 279 /* FCS */ 280 } __attribute__((__packed__)); 281 282 /* 283 * BEACON management packets 284 * 285 * octet timestamp[8] 286 * octet beacon interval[2] 287 * octet capability information[2] 288 * information element 289 * octet elemid 290 * octet length 291 * octet information[length] 292 */ 293 294 typedef u_int8_t *ieee80211_mgt_beacon_t; 295 296 #define IEEE80211_BEACON_INTERVAL(beacon) \ 297 ((beacon)[8] | ((beacon)[9] << 8)) 298 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 299 ((beacon)[10] | ((beacon)[11] << 8)) 300 301 #define IEEE80211_CAPINFO_ESS 0x0001 302 #define IEEE80211_CAPINFO_IBSS 0x0002 303 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 304 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 305 #define IEEE80211_CAPINFO_PRIVACY 0x0010 306 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 307 #define IEEE80211_CAPINFO_PBCC 0x0040 308 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 309 /* bits 8-9 are reserved */ 310 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 311 #define IEEE80211_CAPINFO_RSN 0x0800 312 /* bit 12 is reserved */ 313 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 314 /* bits 14-15 are reserved */ 315 316 /* 317 * 802.11i/WPA information element (maximally sized). 318 */ 319 struct ieee80211_ie_wpa { 320 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 321 u_int8_t wpa_len; /* length in bytes */ 322 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 323 u_int8_t wpa_type; /* OUI type */ 324 u_int16_t wpa_version; /* spec revision */ 325 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 326 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 327 u_int32_t wpa_uciphers[8];/* ciphers */ 328 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 329 u_int32_t wpa_authsels[8];/* selectors */ 330 u_int16_t wpa_caps; /* 802.11i capabilities */ 331 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 332 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */ 333 } __attribute__((__packed__)); 334 335 /* 336 * Management information element payloads 337 */ 338 union ieee80211_information { 339 char ssid[IEEE80211_NWID_LEN+1]; 340 struct rates { 341 u_int8_t *p; 342 } rates; 343 struct fh { 344 u_int16_t dwell; 345 u_int8_t set; 346 u_int8_t pattern; 347 u_int8_t index; 348 } fh; 349 struct ds { 350 u_int8_t channel; 351 } ds; 352 struct cf { 353 u_int8_t count; 354 u_int8_t period; 355 u_int8_t maxdur[2]; 356 u_int8_t dur[2]; 357 } cf; 358 struct tim { 359 u_int8_t count; 360 u_int8_t period; 361 u_int8_t bitctl; 362 /* u_int8_t pvt[251]; The driver needs to use this. */ 363 } tim; 364 struct ibss { 365 u_int16_t atim; 366 } ibss; 367 struct challenge { 368 u_int8_t *p; 369 u_int8_t len; 370 } challenge; 371 struct erp { 372 u_int8_t flags; 373 } erp; 374 struct country { 375 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 376 struct { 377 u_int8_t schan; /* starting channel */ 378 u_int8_t nchan; /* number channels */ 379 u_int8_t maxtxpwr; 380 } band[4]; /* up to 4 sub bands */ 381 } country; 382 struct ath { 383 u_int8_t flags; 384 } ath; 385 }; 386 387 enum { 388 IEEE80211_ELEMID_SSID = 0, 389 IEEE80211_ELEMID_RATES = 1, 390 IEEE80211_ELEMID_FHPARMS = 2, 391 IEEE80211_ELEMID_DSPARMS = 3, 392 IEEE80211_ELEMID_CFPARMS = 4, 393 IEEE80211_ELEMID_TIM = 5, 394 IEEE80211_ELEMID_IBSSPARMS = 6, 395 IEEE80211_ELEMID_COUNTRY = 7, 396 IEEE80211_ELEMID_CHALLENGE = 16, 397 /* 17-31 reserved for challenge text extension */ 398 IEEE80211_ELEMID_ERP = 42, 399 IEEE80211_ELEMID_RSN = 48, 400 IEEE80211_ELEMID_XRATES = 50, 401 IEEE80211_ELEMID_TPC = 150, 402 IEEE80211_ELEMID_CCKM = 156, 403 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 404 }; 405 406 #define IEEE80211_CHALLENGE_LEN 128 407 408 #define IEEE80211_RATE_BASIC 0x80 409 #define IEEE80211_RATE_VAL 0x7f 410 411 /* EPR information element flags */ 412 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 413 #define IEEE80211_ERP_USE_PROTECTION 0x02 414 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 415 416 /* Atheros private advanced capabilities info */ 417 #define ATHEROS_CAP_TURBO_PRIME 0x01 418 #define ATHEROS_CAP_COMPRESSION 0x02 419 #define ATHEROS_CAP_FAST_FRAME 0x04 420 /* bits 3-6 reserved */ 421 #define ATHEROS_CAP_BOOST 0x80 422 423 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 424 #define ATH_OUI_TYPE 0x01 425 #define ATH_OUI_VERSION 0x01 426 427 #define WPA_OUI 0xf25000 428 #define WPA_OUI_TYPE 0x01 429 #define WPA_VERSION 1 /* current supported version */ 430 431 #define WPA_CSE_NULL 0x00 432 #define WPA_CSE_WEP40 0x01 433 #define WPA_CSE_TKIP 0x02 434 #define WPA_CSE_CCMP 0x04 435 #define WPA_CSE_WEP104 0x05 436 437 #define WPA_ASE_NONE 0x00 438 #define WPA_ASE_8021X_UNSPEC 0x01 439 #define WPA_ASE_8021X_PSK 0x02 440 441 #define RSN_OUI 0xac0f00 442 #define RSN_VERSION 1 /* current supported version */ 443 444 #define RSN_CSE_NULL 0x00 445 #define RSN_CSE_WEP40 0x01 446 #define RSN_CSE_TKIP 0x02 447 #define RSN_CSE_WRAP 0x03 448 #define RSN_CSE_CCMP 0x04 449 #define RSN_CSE_WEP104 0x05 450 451 #define RSN_ASE_NONE 0x00 452 #define RSN_ASE_8021X_UNSPEC 0x01 453 #define RSN_ASE_8021X_PSK 0x02 454 455 #define WME_OUI 0xf25000 456 #define WME_OUI_TYPE 0x02 457 #define WME_VERSION 1 458 459 /* WME stream classes */ 460 #define WME_AC_BE 0 /* best effort */ 461 #define WME_AC_BK 1 /* background */ 462 #define WME_AC_VI 2 /* video */ 463 #define WME_AC_VO 3 /* voice */ 464 465 /* 466 * AUTH management packets 467 * 468 * octet algo[2] 469 * octet seq[2] 470 * octet status[2] 471 * octet chal.id 472 * octet chal.length 473 * octet chal.text[253] 474 */ 475 476 typedef u_int8_t *ieee80211_mgt_auth_t; 477 478 #define IEEE80211_AUTH_ALGORITHM(auth) \ 479 ((auth)[0] | ((auth)[1] << 8)) 480 #define IEEE80211_AUTH_TRANSACTION(auth) \ 481 ((auth)[2] | ((auth)[3] << 8)) 482 #define IEEE80211_AUTH_STATUS(auth) \ 483 ((auth)[4] | ((auth)[5] << 8)) 484 485 #define IEEE80211_AUTH_ALG_OPEN 0x0000 486 #define IEEE80211_AUTH_ALG_SHARED 0x0001 487 #define IEEE80211_AUTH_ALG_LEAP 0x0080 488 489 enum { 490 IEEE80211_AUTH_OPEN_REQUEST = 1, 491 IEEE80211_AUTH_OPEN_RESPONSE = 2, 492 }; 493 494 enum { 495 IEEE80211_AUTH_SHARED_REQUEST = 1, 496 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 497 IEEE80211_AUTH_SHARED_RESPONSE = 3, 498 IEEE80211_AUTH_SHARED_PASS = 4, 499 }; 500 501 /* 502 * Reason codes 503 * 504 * Unlisted codes are reserved 505 */ 506 507 enum { 508 IEEE80211_REASON_UNSPECIFIED = 1, 509 IEEE80211_REASON_AUTH_EXPIRE = 2, 510 IEEE80211_REASON_AUTH_LEAVE = 3, 511 IEEE80211_REASON_ASSOC_EXPIRE = 4, 512 IEEE80211_REASON_ASSOC_TOOMANY = 5, 513 IEEE80211_REASON_NOT_AUTHED = 6, 514 IEEE80211_REASON_NOT_ASSOCED = 7, 515 IEEE80211_REASON_ASSOC_LEAVE = 8, 516 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 517 518 IEEE80211_REASON_RSN_REQUIRED = 11, 519 IEEE80211_REASON_RSN_INCONSISTENT = 12, 520 IEEE80211_REASON_IE_INVALID = 13, 521 IEEE80211_REASON_MIC_FAILURE = 14, 522 523 IEEE80211_STATUS_SUCCESS = 0, 524 IEEE80211_STATUS_UNSPECIFIED = 1, 525 IEEE80211_STATUS_CAPINFO = 10, 526 IEEE80211_STATUS_NOT_ASSOCED = 11, 527 IEEE80211_STATUS_OTHER = 12, 528 IEEE80211_STATUS_ALG = 13, 529 IEEE80211_STATUS_SEQUENCE = 14, 530 IEEE80211_STATUS_CHALLENGE = 15, 531 IEEE80211_STATUS_TIMEOUT = 16, 532 IEEE80211_STATUS_TOOMANY = 17, 533 IEEE80211_STATUS_BASIC_RATE = 18, 534 IEEE80211_STATUS_SP_REQUIRED = 19, 535 IEEE80211_STATUS_PBCC_REQUIRED = 20, 536 IEEE80211_STATUS_CA_REQUIRED = 21, 537 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 538 IEEE80211_STATUS_RATES = 23, 539 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 540 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, 541 }; 542 543 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 544 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 545 546 /* WEP header constants */ 547 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 548 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 549 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 550 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 551 IEEE80211_WEP_KIDLEN + \ 552 IEEE80211_WEP_CRCLEN) 553 /* 554 * 802.11i defines an extended IV for use with non-WEP ciphers. 555 * When the EXTIV bit is set in the key id byte an additional 556 * 4 bytes immediately follow the IV for TKIP. For CCMP the 557 * EXTIV bit is likewise set but the 8 bytes represent the 558 * CCMP header rather than IV+extended-IV. 559 */ 560 #define IEEE80211_WEP_EXTIV 0x20 561 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 562 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 563 564 #define IEEE80211_CRC_LEN 4 565 566 /* 567 * Maximum acceptable MTU is: 568 * IEEE80211_MAX_LEN - WEP overhead - CRC - 569 * QoS overhead - RSN/WPA overhead 570 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 571 * mtu is Ethernet-compatible; it's set by ether_ifattach. 572 */ 573 #define IEEE80211_MTU_MAX 2290 574 #define IEEE80211_MTU_MIN 32 575 576 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 577 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 578 #define IEEE80211_ACK_LEN \ 579 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 580 #define IEEE80211_MIN_LEN \ 581 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 582 583 /* 584 * The 802.11 spec says at most 2007 stations may be 585 * associated at once. For most AP's this is way more 586 * than is feasible so we use a default of 128. This 587 * number may be overridden by the driver and/or by 588 * user configuration. 589 */ 590 #define IEEE80211_AID_MAX 2007 591 #define IEEE80211_AID_DEF 128 592 593 #define IEEE80211_AID(b) ((b) &~ 0xc000) 594 #define IEEE80211_AID_SET(b, w) \ 595 ((w)[IEEE80211_AID(b) / 32] |= (1 << (IEEE80211_AID(b) % 32))) 596 #define IEEE80211_AID_CLR(b, w) \ 597 ((w)[IEEE80211_AID(b) / 32] &= ~(1 << (IEEE80211_AID(b) % 32))) 598 #define IEEE80211_AID_ISSET(b, w) \ 599 ((w)[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32))) 600 601 /* 602 * RTS frame length parameters. The default is specified in 603 * the 802.11 spec. The max may be wrong for jumbo frames. 604 */ 605 #define IEEE80211_RTS_DEFAULT 512 606 #define IEEE80211_RTS_MIN 1 607 #define IEEE80211_RTS_MAX IEEE80211_MAX_LEN 608 609 /* 610 * 802.11 frame duration definitions. 611 */ 612 613 struct ieee80211_duration { 614 uint16_t d_rts_dur; 615 uint16_t d_data_dur; 616 uint16_t d_plcp_len; 617 uint8_t d_plcp_svc; 618 }; 619 620 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 621 #define IEEE80211_DUR_TU 1024 622 623 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 624 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 625 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 626 #define IEEE80211_DUR_DS_PREAMBLE_DIFFERENCE \ 627 (IEEE80211_DUR_DS_LONG_PREAMBLE - IEEE80211_DUR_DS_SHORT_PREAMBLE) 628 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 629 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 630 #define IEEE80211_DUR_DS_PLCPHDR_DIFFERENCE \ 631 (IEEE80211_DUR_DS_SLOW_PLCPHDR - IEEE80211_DUR_DS_FAST_PLCPHDR) 632 #define IEEE80211_DUR_DS_SLOW_ACK 112 633 #define IEEE80211_DUR_DS_FAST_ACK 56 634 #define IEEE80211_DUR_DS_SLOW_CTS 112 635 #define IEEE80211_DUR_DS_FAST_CTS 56 636 #define IEEE80211_DUR_DS_SLOT 20 637 #define IEEE80211_DUR_DS_SIFS 10 638 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 639 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 640 2 * IEEE80211_DUR_DS_SLOT) 641 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 642 IEEE80211_DUR_DS_SLOW_ACK + \ 643 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 644 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 645 IEEE80211_DUR_DIFS) 646 647 enum { 648 IEEE80211_AUTH_NONE = 0, 649 IEEE80211_AUTH_OPEN = 1, /* open */ 650 IEEE80211_AUTH_SHARED = 2, /* shared-key */ 651 IEEE80211_AUTH_8021X = 3, /* 802.1x */ 652 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ 653 /* NB: these are used only for ioctls */ 654 IEEE80211_AUTH_WPA = 5, /* WPA w/ 802.1x */ 655 IEEE80211_AUTH_WPA_PSK = 6, /* WPA w/ preshared key */ 656 IEEE80211_AUTH_WPA2 = 7, /* WPA2 w/ 802.1x */ 657 IEEE80211_AUTH_WPA2_PSK = 8, /* WPA2 w/ preshared key */ 658 }; 659 660 #endif /* _NET80211_IEEE80211_H_ */ 661
Indexes created Thu Sep 25 16:09:42 GMT 2025