ieee80211.h revision 1.7
1 /* $NetBSD: ieee80211.h,v 1.7 2004/07/23 05:33:23 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 #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 } __attribute__((__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 } __attribute__((__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 } __attribute__((__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 } __attribute__((__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 150 151 #define IEEE80211_FC1_DIR_MASK 0x03 152 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 153 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 154 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 155 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 156 157 #define IEEE80211_FC1_MORE_FRAG 0x04 158 #define IEEE80211_FC1_RETRY 0x08 159 #define IEEE80211_FC1_PWR_MGT 0x10 160 #define IEEE80211_FC1_MORE_DATA 0x20 161 #define IEEE80211_FC1_WEP 0x40 162 #define IEEE80211_FC1_ORDER 0x80 163 164 #define IEEE80211_SEQ_FRAG_MASK 0x000f 165 #define IEEE80211_SEQ_FRAG_SHIFT 0 166 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 167 #define IEEE80211_SEQ_SEQ_SHIFT 4 168 169 #define IEEE80211_NWID_LEN 32 170 171 #define IEEE80211_QOS_TXOP 0x00ff 172 /* bit 8 is reserved */ 173 #define IEEE80211_QOS_ACKPOLICY 0x0600 174 #define IEEE80211_QOS_ESOP 0x0800 175 #define IEEE80211_QOS_TID 0xf000 176 177 /* 178 * WME/802.11e information element. 179 */ 180 struct ieee80211_ie_wme { 181 u_int8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 182 u_int8_t wme_len; /* length in bytes */ 183 u_int8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 184 u_int8_t wme_type; /* OUI type */ 185 u_int8_t wme_subtype; /* OUI subtype */ 186 u_int8_t wme_version; /* spec revision */ 187 u_int8_t wme_info; /* AC info */ 188 } __attribute__((__packed__)); 189 190 /* 191 * WME/802.11e Tspec Element 192 */ 193 struct ieee80211_wme_tspec { 194 u_int8_t ts_id; 195 u_int8_t ts_len; 196 u_int8_t ts_oui[3]; 197 u_int8_t ts_oui_type; 198 u_int8_t ts_oui_subtype; 199 u_int8_t ts_version; 200 u_int8_t ts_tsinfo[3]; 201 u_int8_t ts_nom_msdu[2]; 202 u_int8_t ts_max_msdu[2]; 203 u_int8_t ts_min_svc[4]; 204 u_int8_t ts_max_svc[4]; 205 u_int8_t ts_inactv_intv[4]; 206 u_int8_t ts_susp_intv[4]; 207 u_int8_t ts_start_svc[4]; 208 u_int8_t ts_min_rate[4]; 209 u_int8_t ts_mean_rate[4]; 210 u_int8_t ts_max_burst[4]; 211 u_int8_t ts_min_phy[4]; 212 u_int8_t ts_peak_rate[4]; 213 u_int8_t ts_delay[4]; 214 u_int8_t ts_surplus[2]; 215 u_int8_t ts_medium_time[2]; 216 } __attribute__((__packed__)); 217 218 /* 219 * Management Notification Frame 220 */ 221 struct ieee80211_mnf { 222 u_int8_t mnf_category; 223 u_int8_t mnf_action; 224 u_int8_t mnf_dialog; 225 u_int8_t mnf_status; 226 } __attribute__((__packed__)); 227 #define MNF_SETUP_REQ 0 228 #define MNF_SETUP_RESP 1 229 #define MNF_TEARDOWN 2 230 231 /* 232 * Control frames. 233 */ 234 struct ieee80211_frame_min { 235 u_int8_t i_fc[2]; 236 u_int8_t i_dur[2]; 237 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 238 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 239 /* FCS */ 240 } __attribute__((__packed__)); 241 242 struct ieee80211_frame_rts { 243 u_int8_t i_fc[2]; 244 u_int8_t i_dur[2]; 245 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 246 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 247 /* FCS */ 248 } __attribute__((__packed__)); 249 250 struct ieee80211_frame_cts { 251 u_int8_t i_fc[2]; 252 u_int8_t i_dur[2]; 253 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 254 /* FCS */ 255 } __attribute__((__packed__)); 256 257 struct ieee80211_frame_ack { 258 u_int8_t i_fc[2]; 259 u_int8_t i_dur[2]; 260 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 261 /* FCS */ 262 } __attribute__((__packed__)); 263 264 struct ieee80211_frame_pspoll { 265 u_int8_t i_fc[2]; 266 u_int8_t i_aid[2]; 267 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 268 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 269 /* FCS */ 270 } __attribute__((__packed__)); 271 272 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 273 u_int8_t i_fc[2]; 274 u_int8_t i_dur[2]; /* should be zero */ 275 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 276 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 277 /* FCS */ 278 } __attribute__((__packed__)); 279 280 /* 281 * BEACON management packets 282 * 283 * octet timestamp[8] 284 * octet beacon interval[2] 285 * octet capability information[2] 286 * information element 287 * octet elemid 288 * octet length 289 * octet information[length] 290 */ 291 292 typedef u_int8_t *ieee80211_mgt_beacon_t; 293 294 #define IEEE80211_BEACON_INTERVAL(beacon) \ 295 ((beacon)[8] | ((beacon)[9] << 8)) 296 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 297 ((beacon)[10] | ((beacon)[11] << 8)) 298 299 #define IEEE80211_CAPINFO_ESS 0x0001 300 #define IEEE80211_CAPINFO_IBSS 0x0002 301 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 302 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 303 #define IEEE80211_CAPINFO_PRIVACY 0x0010 304 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 305 #define IEEE80211_CAPINFO_PBCC 0x0040 306 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 307 /* bits 8-9 are reserved */ 308 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 309 #define IEEE80211_CAPINFO_RSN 0x0800 310 /* bit 12 is reserved */ 311 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 312 /* bits 14-15 are reserved */ 313 314 /* 315 * 802.11i/WPA information element (maximally sized). 316 */ 317 struct ieee80211_ie_wpa { 318 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 319 u_int8_t wpa_len; /* length in bytes */ 320 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 321 u_int8_t wpa_type; /* OUI type */ 322 u_int16_t wpa_version; /* spec revision */ 323 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 324 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 325 u_int32_t wpa_uciphers[8];/* ciphers */ 326 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 327 u_int32_t wpa_authsels[8];/* selectors */ 328 u_int16_t wpa_caps; /* 802.11i capabilities */ 329 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 330 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */ 331 } __attribute__((__packed__)); 332 333 /* 334 * Management information element payloads 335 */ 336 union ieee80211_information { 337 char ssid[IEEE80211_NWID_LEN+1]; 338 struct rates { 339 u_int8_t *p; 340 } rates; 341 struct fh { 342 u_int16_t dwell; 343 u_int8_t set; 344 u_int8_t pattern; 345 u_int8_t index; 346 } fh; 347 struct ds { 348 u_int8_t channel; 349 } ds; 350 struct cf { 351 u_int8_t count; 352 u_int8_t period; 353 u_int8_t maxdur[2]; 354 u_int8_t dur[2]; 355 } cf; 356 struct tim { 357 u_int8_t count; 358 u_int8_t period; 359 u_int8_t bitctl; 360 /* u_int8_t pvt[251]; The driver needs to use this. */ 361 } tim; 362 struct ibss { 363 u_int16_t atim; 364 } ibss; 365 struct challenge { 366 u_int8_t *p; 367 u_int8_t len; 368 } challenge; 369 struct erp { 370 u_int8_t flags; 371 } erp; 372 struct country { 373 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 374 struct { 375 u_int8_t schan; /* starting channel */ 376 u_int8_t nchan; /* number channels */ 377 u_int8_t maxtxpwr; 378 } band[4]; /* up to 4 sub bands */ 379 } country; 380 struct ath { 381 u_int8_t flags; 382 } ath; 383 }; 384 385 enum { 386 IEEE80211_ELEMID_SSID = 0, 387 IEEE80211_ELEMID_RATES = 1, 388 IEEE80211_ELEMID_FHPARMS = 2, 389 IEEE80211_ELEMID_DSPARMS = 3, 390 IEEE80211_ELEMID_CFPARMS = 4, 391 IEEE80211_ELEMID_TIM = 5, 392 IEEE80211_ELEMID_IBSSPARMS = 6, 393 IEEE80211_ELEMID_COUNTRY = 7, 394 IEEE80211_ELEMID_CHALLENGE = 16, 395 /* 17-31 reserved for challenge text extension */ 396 IEEE80211_ELEMID_ERP = 42, 397 IEEE80211_ELEMID_RSN = 48, 398 IEEE80211_ELEMID_XRATES = 50, 399 IEEE80211_ELEMID_TPC = 150, 400 IEEE80211_ELEMID_CCKM = 156, 401 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 402 }; 403 404 #define IEEE80211_CHALLENGE_LEN 128 405 406 #define IEEE80211_RATE_BASIC 0x80 407 #define IEEE80211_RATE_VAL 0x7f 408 409 /* EPR information element flags */ 410 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 411 #define IEEE80211_ERP_USE_PROTECTION 0x02 412 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 413 414 /* Atheros private advanced capabilities info */ 415 #define ATHEROS_CAP_TURBO_PRIME 0x01 416 #define ATHEROS_CAP_COMPRESSION 0x02 417 #define ATHEROS_CAP_FAST_FRAME 0x04 418 /* bits 3-6 reserved */ 419 #define ATHEROS_CAP_BOOST 0x80 420 421 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 422 #define ATH_OUI_TYPE 0x01 423 #define ATH_OUI_VERSION 0x01 424 425 #define WPA_OUI 0xf25000 426 #define WPA_OUI_TYPE 0x01 427 #define WPA_VERSION 1 /* current supported version */ 428 429 #define WPA_CSE_NULL 0x00 430 #define WPA_CSE_WEP40 0x01 431 #define WPA_CSE_TKIP 0x02 432 #define WPA_CSE_CCMP 0x04 433 #define WPA_CSE_WEP104 0x05 434 435 #define WPA_ASE_NONE 0x00 436 #define WPA_ASE_8021X_UNSPEC 0x01 437 #define WPA_ASE_8021X_PSK 0x02 438 439 #define RSN_OUI 0xac0f00 440 #define RSN_VERSION 1 /* current supported version */ 441 442 #define RSN_CSE_NULL 0x00 443 #define RSN_CSE_WEP40 0x01 444 #define RSN_CSE_TKIP 0x02 445 #define RSN_CSE_WRAP 0x03 446 #define RSN_CSE_CCMP 0x04 447 #define RSN_CSE_WEP104 0x05 448 449 #define RSN_ASE_NONE 0x00 450 #define RSN_ASE_8021X_UNSPEC 0x01 451 #define RSN_ASE_8021X_PSK 0x02 452 453 #define WME_OUI 0xf25000 454 #define WME_OUI_TYPE 0x02 455 #define WME_VERSION 1 456 457 /* WME stream classes */ 458 #define WME_AC_BE 0 /* best effort */ 459 #define WME_AC_BK 1 /* background */ 460 #define WME_AC_VI 2 /* video */ 461 #define WME_AC_VO 3 /* voice */ 462 463 /* 464 * AUTH management packets 465 * 466 * octet algo[2] 467 * octet seq[2] 468 * octet status[2] 469 * octet chal.id 470 * octet chal.length 471 * octet chal.text[253] 472 */ 473 474 typedef u_int8_t *ieee80211_mgt_auth_t; 475 476 #define IEEE80211_AUTH_ALGORITHM(auth) \ 477 ((auth)[0] | ((auth)[1] << 8)) 478 #define IEEE80211_AUTH_TRANSACTION(auth) \ 479 ((auth)[2] | ((auth)[3] << 8)) 480 #define IEEE80211_AUTH_STATUS(auth) \ 481 ((auth)[4] | ((auth)[5] << 8)) 482 483 #define IEEE80211_AUTH_ALG_OPEN 0x0000 484 #define IEEE80211_AUTH_ALG_SHARED 0x0001 485 #define IEEE80211_AUTH_ALG_LEAP 0x0080 486 487 enum { 488 IEEE80211_AUTH_OPEN_REQUEST = 1, 489 IEEE80211_AUTH_OPEN_RESPONSE = 2, 490 }; 491 492 enum { 493 IEEE80211_AUTH_SHARED_REQUEST = 1, 494 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 495 IEEE80211_AUTH_SHARED_RESPONSE = 3, 496 IEEE80211_AUTH_SHARED_PASS = 4, 497 }; 498 499 /* 500 * Reason codes 501 * 502 * Unlisted codes are reserved 503 */ 504 505 enum { 506 IEEE80211_REASON_UNSPECIFIED = 1, 507 IEEE80211_REASON_AUTH_EXPIRE = 2, 508 IEEE80211_REASON_AUTH_LEAVE = 3, 509 IEEE80211_REASON_ASSOC_EXPIRE = 4, 510 IEEE80211_REASON_ASSOC_TOOMANY = 5, 511 IEEE80211_REASON_NOT_AUTHED = 6, 512 IEEE80211_REASON_NOT_ASSOCED = 7, 513 IEEE80211_REASON_ASSOC_LEAVE = 8, 514 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 515 516 IEEE80211_REASON_RSN_REQUIRED = 11, 517 IEEE80211_REASON_RSN_INCONSISTENT = 12, 518 IEEE80211_REASON_IE_INVALID = 13, 519 IEEE80211_REASON_MIC_FAILURE = 14, 520 521 IEEE80211_STATUS_SUCCESS = 0, 522 IEEE80211_STATUS_UNSPECIFIED = 1, 523 IEEE80211_STATUS_CAPINFO = 10, 524 IEEE80211_STATUS_NOT_ASSOCED = 11, 525 IEEE80211_STATUS_OTHER = 12, 526 IEEE80211_STATUS_ALG = 13, 527 IEEE80211_STATUS_SEQUENCE = 14, 528 IEEE80211_STATUS_CHALLENGE = 15, 529 IEEE80211_STATUS_TIMEOUT = 16, 530 IEEE80211_STATUS_TOOMANY = 17, 531 IEEE80211_STATUS_BASIC_RATE = 18, 532 IEEE80211_STATUS_SP_REQUIRED = 19, 533 IEEE80211_STATUS_PBCC_REQUIRED = 20, 534 IEEE80211_STATUS_CA_REQUIRED = 21, 535 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 536 IEEE80211_STATUS_RATES = 23, 537 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 538 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, 539 }; 540 541 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 542 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 543 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 544 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 545 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 546 547 /* 548 * 802.11i defines an extended IV for use with non-WEP ciphers. 549 * When the EXTIV bit is set in the key id byte an additional 550 * 4 bytes immediately follow the IV for TKIP. For CCMP the 551 * EXTIV bit is likewise set but the 8 bytes represent the 552 * CCMP header rather than IV+extended-IV. 553 */ 554 #define IEEE80211_WEP_EXTIV 0x20 555 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 556 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 557 558 #define IEEE80211_CRC_LEN 4 559 560 /* 561 * Maximum acceptable MTU is: 562 * IEEE80211_MAX_LEN - WEP overhead - CRC - 563 * QoS overhead - RSN/WPA overhead 564 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 565 * mtu is Ethernet-compatible; it's set by ether_ifattach. 566 */ 567 #define IEEE80211_MTU_MAX 2290 568 #define IEEE80211_MTU_MIN 32 569 570 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 571 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 572 #define IEEE80211_ACK_LEN \ 573 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 574 #define IEEE80211_MIN_LEN \ 575 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 576 577 /* 578 * The 802.11 spec says at most 2007 stations may be 579 * associated at once. For most AP's this is way more 580 * than is feasible so we use a default of 128. This 581 * number may be overridden by the driver and/or by 582 * user configuration. 583 */ 584 #define IEEE80211_AID_MAX 2007 585 #define IEEE80211_AID_DEF 128 586 587 #define IEEE80211_AID(b) ((b) &~ 0xc000) 588 #define IEEE80211_AID_SET(b, w) \ 589 ((w)[IEEE80211_AID(b) / 32] |= (1 << (IEEE80211_AID(b) % 32))) 590 #define IEEE80211_AID_CLR(b, w) \ 591 ((w)[IEEE80211_AID(b) / 32] &= ~(1 << (IEEE80211_AID(b) % 32))) 592 #define IEEE80211_AID_ISSET(b, w) \ 593 ((w)[IEEE80211_AID(b) / 32] & (1 << (IEEE80211_AID(b) % 32))) 594 595 /* 596 * RTS frame length parameters. The default is specified in 597 * the 802.11 spec. The max may be wrong for jumbo frames. 598 */ 599 #define IEEE80211_RTS_DEFAULT 512 600 #define IEEE80211_RTS_MIN 1 601 #define IEEE80211_RTS_MAX IEEE80211_MAX_LEN 602 603 enum { 604 IEEE80211_AUTH_NONE = 0, 605 IEEE80211_AUTH_OPEN = 1, /* open */ 606 IEEE80211_AUTH_SHARED = 2, /* shared-key */ 607 IEEE80211_AUTH_8021X = 3, /* 802.1x */ 608 IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */ 609 /* NB: these are used only for ioctls */ 610 IEEE80211_AUTH_WPA = 5, /* WPA w/ 802.1x */ 611 IEEE80211_AUTH_WPA_PSK = 6, /* WPA w/ preshared key */ 612 IEEE80211_AUTH_WPA2 = 7, /* WPA2 w/ 802.1x */ 613 IEEE80211_AUTH_WPA2_PSK = 8, /* WPA2 w/ preshared key */ 614 }; 615 616 #endif /* _NET80211_IEEE80211_H_ */ 617
Indexes created Wed Sep 24 05:09:52 GMT 2025