ieee80211.h revision 1.6
1 /* $NetBSD: ieee80211.h,v 1.6 2004/04/30 23:51:53 dyoung Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002, 2003 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 /* 111 * Management Notification Frame 112 */ 113 struct ieee80211_mnf { 114 u_int8_t mnf_category; 115 u_int8_t mnf_action; 116 u_int8_t mnf_dialog; 117 u_int8_t mnf_status; 118 } __attribute__((__packed__)); 119 #define MNF_SETUP_REQ 0 120 #define MNF_SETUP_RESP 1 121 #define MNF_TEARDOWN 2 122 123 /* 124 * WME/802.11e Tspec Element 125 */ 126 struct ieee80211_wme_tspec { 127 u_int8_t ts_id; 128 u_int8_t ts_len; 129 u_int8_t ts_oui[3]; 130 u_int8_t ts_oui_type; 131 u_int8_t ts_oui_subtype; 132 u_int8_t ts_version; 133 u_int8_t ts_tsinfo[3]; 134 u_int8_t ts_nom_msdu[2]; 135 u_int8_t ts_max_msdu[2]; 136 u_int8_t ts_min_svc[4]; 137 u_int8_t ts_max_svc[4]; 138 u_int8_t ts_inactv_intv[4]; 139 u_int8_t ts_susp_intv[4]; 140 u_int8_t ts_start_svc[4]; 141 u_int8_t ts_min_rate[4]; 142 u_int8_t ts_mean_rate[4]; 143 u_int8_t ts_max_burst[4]; 144 u_int8_t ts_min_phy[4]; 145 u_int8_t ts_peak_rate[4]; 146 u_int8_t ts_delay[4]; 147 u_int8_t ts_surplus[2]; 148 u_int8_t ts_medium_time[2]; 149 } __attribute__((__packed__)); 150 151 #define IEEE80211_FC0_VERSION_MASK 0x03 152 #define IEEE80211_FC0_VERSION_SHIFT 0 153 #define IEEE80211_FC0_VERSION_0 0x00 154 #define IEEE80211_FC0_TYPE_MASK 0x0c 155 #define IEEE80211_FC0_TYPE_SHIFT 2 156 #define IEEE80211_FC0_TYPE_MGT 0x00 157 #define IEEE80211_FC0_TYPE_CTL 0x04 158 #define IEEE80211_FC0_TYPE_DATA 0x08 159 160 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 161 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 162 /* for TYPE_MGT */ 163 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 164 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 165 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 166 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 167 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 168 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 169 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 170 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 171 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 172 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 173 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 174 /* for TYPE_CTL */ 175 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 176 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 177 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 178 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 179 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 180 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 181 /* for TYPE_DATA (bit combination) */ 182 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 183 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 184 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 185 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 186 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 187 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 188 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 189 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 190 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 191 192 #define IEEE80211_FC1_DIR_MASK 0x03 193 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 194 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 195 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 196 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 197 198 #define IEEE80211_FC1_MORE_FRAG 0x04 199 #define IEEE80211_FC1_RETRY 0x08 200 #define IEEE80211_FC1_PWR_MGT 0x10 201 #define IEEE80211_FC1_MORE_DATA 0x20 202 #define IEEE80211_FC1_WEP 0x40 203 #define IEEE80211_FC1_ORDER 0x80 204 205 #define IEEE80211_SEQ_FRAG_MASK 0x000f 206 #define IEEE80211_SEQ_FRAG_SHIFT 0 207 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 208 #define IEEE80211_SEQ_SEQ_SHIFT 4 209 210 #define IEEE80211_NWID_LEN 32 211 212 #define IEEE80211_QOS_TXOP 0x00ff 213 /* bit 8 is reserved */ 214 #define IEEE80211_QOS_ACKPOLICY 0x0600 215 #define IEEE80211_QOS_ESOP 0x0800 216 #define IEEE80211_QOS_TID 0xf000 217 218 /* 219 * Control frames. 220 */ 221 struct ieee80211_frame_min { 222 u_int8_t i_fc[2]; 223 u_int8_t i_dur[2]; 224 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 225 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 226 /* FCS */ 227 } __attribute__((__packed__)); 228 229 struct ieee80211_frame_rts { 230 u_int8_t i_fc[2]; 231 u_int8_t i_dur[2]; 232 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 233 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 234 /* FCS */ 235 } __attribute__((__packed__)); 236 237 struct ieee80211_frame_cts { 238 u_int8_t i_fc[2]; 239 u_int8_t i_dur[2]; 240 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 241 /* FCS */ 242 } __attribute__((__packed__)); 243 244 struct ieee80211_frame_ack { 245 u_int8_t i_fc[2]; 246 u_int8_t i_dur[2]; 247 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 248 /* FCS */ 249 } __attribute__((__packed__)); 250 251 struct ieee80211_frame_pspoll { 252 u_int8_t i_fc[2]; 253 u_int8_t i_aid[2]; 254 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 255 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 256 /* FCS */ 257 } __attribute__((__packed__)); 258 259 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 260 u_int8_t i_fc[2]; 261 u_int8_t i_dur[2]; /* should be zero */ 262 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 263 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 264 /* FCS */ 265 } __attribute__((__packed__)); 266 267 /* 268 * BEACON management packets 269 * 270 * octet timestamp[8] 271 * octet beacon interval[2] 272 * octet capability information[2] 273 * information element 274 * octet elemid 275 * octet length 276 * octet information[length] 277 */ 278 279 typedef uint8_t *ieee80211_mgt_beacon_t; 280 281 #define IEEE80211_BEACON_INTERVAL(beacon) \ 282 ((beacon)[8] | ((beacon)[9] << 8)) 283 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 284 ((beacon)[10] | ((beacon)[11] << 8)) 285 286 #define IEEE80211_CAPINFO_ESS 0x0001 287 #define IEEE80211_CAPINFO_IBSS 0x0002 288 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 289 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 290 #define IEEE80211_CAPINFO_PRIVACY 0x0010 291 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 292 #define IEEE80211_CAPINFO_PBCC 0x0040 293 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 294 /* bits 8-9 are reserved */ 295 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 296 #define IEEE80211_CAPINFO_RSN 0x0800 297 /* bit 12 is reserved */ 298 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 299 /* bits 14-15 are reserved */ 300 301 /* 302 * 802.11i/WPA information element (maximally sized). 303 */ 304 struct ieee80211_ie_wpa { 305 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 306 u_int8_t wpa_type; /* OUI type */ 307 u_int16_t wpa_version; /* spec revision */ 308 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 309 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 310 u_int32_t wpa_uciphers[8];/* ciphers */ 311 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 312 u_int32_t wpa_authsels[8];/* selectors */ 313 } __attribute__((__packed__)); 314 315 /* 316 * Management information elements 317 */ 318 struct ieee80211_information { 319 char ssid[IEEE80211_NWID_LEN+1]; 320 struct rates { 321 u_int8_t *p; 322 } rates; 323 struct fh { 324 u_int16_t dwell; 325 u_int8_t set; 326 u_int8_t pattern; 327 u_int8_t index; 328 } fh; 329 struct ds { 330 u_int8_t channel; 331 } ds; 332 struct cf { 333 u_int8_t count; 334 u_int8_t period; 335 u_int8_t maxdur[2]; 336 u_int8_t dur[2]; 337 } cf; 338 struct tim { 339 u_int8_t count; 340 u_int8_t period; 341 u_int8_t bitctl; 342 /* u_int8_t pvt[251]; The driver needs to use this. */ 343 } tim; 344 struct ibss { 345 u_int16_t atim; 346 } ibss; 347 struct challenge { 348 u_int8_t *p; 349 u_int8_t len; 350 } challenge; 351 struct erp { 352 u_int8_t flags; 353 } erp; 354 struct country { 355 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 356 struct { 357 u_int8_t schan; /* starting channel */ 358 u_int8_t nchan; /* number channels */ 359 u_int8_t maxtxpwr; 360 } band[4]; /* up to 4 sub bands */ 361 } country; 362 struct ath { 363 u_int8_t flags; 364 } ath; 365 struct ieee80211_ie_wpa wpa; 366 }; 367 368 enum { 369 IEEE80211_ELEMID_SSID = 0, 370 IEEE80211_ELEMID_RATES = 1, 371 IEEE80211_ELEMID_FHPARMS = 2, 372 IEEE80211_ELEMID_DSPARMS = 3, 373 IEEE80211_ELEMID_CFPARMS = 4, 374 IEEE80211_ELEMID_TIM = 5, 375 IEEE80211_ELEMID_IBSSPARMS = 6, 376 IEEE80211_ELEMID_COUNTRY = 7, 377 IEEE80211_ELEMID_CHALLENGE = 16, 378 /* 17-31 reserved for challenge text extension */ 379 IEEE80211_ELEMID_ERP = 42, 380 IEEE80211_ELEMID_XRATES = 50, 381 IEEE80211_ELEMID_TPC = 150, 382 IEEE80211_ELEMID_CCKM = 156, 383 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 384 }; 385 386 #define IEEE80211_CHALLENGE_LEN 128 387 388 #define IEEE80211_RATE_BASIC 0x80 389 #define IEEE80211_RATE_VAL 0x7f 390 391 /* EPR information element flags */ 392 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 393 #define IEEE80211_ERP_USE_PROTECTION 0x02 394 #define IEEE80211_ERP_BARKER_MODE 0x04 395 396 /* Atheros private advanced capabilities info */ 397 #define ATHEROS_CAP_TURBO_PRIME 0x01 398 #define ATHEROS_CAP_COMPRESSION 0x02 399 #define ATHEROS_CAP_FAST_FRAME 0x04 400 /* bits 3-6 reserved */ 401 #define ATHEROS_CAP_BOOST 0x80 402 403 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 404 #define ATH_OUI_TYPE 0x01 405 #define ATH_OUI_VERSION 0x01 406 407 #define WPA_OUI 0xf25000 408 #define WPA_OUI_TYPE 0x01 409 #define WPA_OUI_VERSION 1 /* current supported version */ 410 411 #define WPA_CSE_NULL 0x00 412 #define WPA_CSE_WEP40 0x01 413 #define WPA_CSE_TKIP 0x02 414 #define WPA_CSE_WRAP 0x03 /* WPA2/802.11i */ 415 #define WPA_CSE_CCMP 0x04 416 #define WPA_CSE_WEP104 0x05 417 418 #define WPA_ASE_NONE 0x00 419 #define WPA_ASE_8021X_UNSPEC 0x01 420 #define WPA_ASE_8021X_PSK 0x02 421 422 /* 423 * AUTH management packets 424 * 425 * octet algo[2] 426 * octet seq[2] 427 * octet status[2] 428 * octet chal.id 429 * octet chal.length 430 * octet chal.text[253] 431 */ 432 433 typedef u_int8_t *ieee80211_mgt_auth_t; 434 435 #define IEEE80211_AUTH_ALGORITHM(auth) \ 436 ((auth)[0] | ((auth)[1] << 8)) 437 #define IEEE80211_AUTH_TRANSACTION(auth) \ 438 ((auth)[2] | ((auth)[3] << 8)) 439 #define IEEE80211_AUTH_STATUS(auth) \ 440 ((auth)[4] | ((auth)[5] << 8)) 441 442 #define IEEE80211_AUTH_ALG_OPEN 0x0000 443 #define IEEE80211_AUTH_ALG_SHARED 0x0001 444 #define IEEE80211_AUTH_ALG_LEAP 0x0080 445 446 enum { 447 IEEE80211_AUTH_OPEN_REQUEST = 1, 448 IEEE80211_AUTH_OPEN_RESPONSE = 2, 449 }; 450 451 enum { 452 IEEE80211_AUTH_SHARED_REQUEST = 1, 453 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 454 IEEE80211_AUTH_SHARED_RESPONSE = 3, 455 IEEE80211_AUTH_SHARED_PASS = 4, 456 }; 457 458 /* 459 * Reason codes 460 * 461 * Unlisted codes are reserved 462 */ 463 464 enum { 465 IEEE80211_REASON_UNSPECIFIED = 1, 466 IEEE80211_REASON_AUTH_EXPIRE = 2, 467 IEEE80211_REASON_AUTH_LEAVE = 3, 468 IEEE80211_REASON_ASSOC_EXPIRE = 4, 469 IEEE80211_REASON_ASSOC_TOOMANY = 5, 470 IEEE80211_REASON_NOT_AUTHED = 6, 471 IEEE80211_REASON_NOT_ASSOCED = 7, 472 IEEE80211_REASON_ASSOC_LEAVE = 8, 473 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 474 475 IEEE80211_REASON_RSN_REQUIRED = 11, 476 IEEE80211_REASON_RSN_INCONSISTENT = 12, 477 IEEE80211_REASON_IE_INVALID = 13, 478 IEEE80211_REASON_MIC_FAILURE = 14, 479 480 IEEE80211_STATUS_SUCCESS = 0, 481 IEEE80211_STATUS_UNSPECIFIED = 1, 482 IEEE80211_STATUS_CAPINFO = 10, 483 IEEE80211_STATUS_NOT_ASSOCED = 11, 484 IEEE80211_STATUS_OTHER = 12, 485 IEEE80211_STATUS_ALG = 13, 486 IEEE80211_STATUS_SEQUENCE = 14, 487 IEEE80211_STATUS_CHALLENGE = 15, 488 IEEE80211_STATUS_TIMEOUT = 16, 489 IEEE80211_STATUS_TOOMANY = 17, 490 IEEE80211_STATUS_BASIC_RATE = 18, 491 IEEE80211_STATUS_SP_REQUIRED = 19, 492 IEEE80211_STATUS_PBCC_REQUIRED = 20, 493 IEEE80211_STATUS_CA_REQUIRED = 21, 494 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 495 IEEE80211_STATUS_RATES = 23, 496 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 497 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, 498 }; 499 500 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 501 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 502 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 503 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 504 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 505 506 #define IEEE80211_CRC_LEN 4 507 508 /* 509 * Maximum acceptable MTU is: 510 * IEEE80211_MAX_LEN - WEP overhead - CRC - 511 * QoS overhead - RSN/WPA overhead 512 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 513 * mtu is Ethernet-compatible; it's set by ether_ifattach. 514 */ 515 #define IEEE80211_MTU_MAX 2290 516 #define IEEE80211_MTU_MIN 32 517 518 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 519 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 520 #define IEEE80211_MIN_LEN \ 521 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 522 523 #define IEEE80211_MAX_AID 2007 524 525 #define IEEE80211_AID_SET(b, w) \ 526 ((w)[((b) & ~0xc000) / 32] |= (1 << (((b) & ~0xc000) % 32))) 527 #define IEEE80211_AID_CLR(b, w) \ 528 ((w)[((b) & ~0xc000) / 32] &= ~(1 << (((b) & ~0xc000) % 32))) 529 #define IEEE80211_AID_ISSET(b, w) \ 530 ((w)[((b) & ~0xc000) / 32] & (1 << (((b) & ~0xc000) % 32))) 531 532 /* 533 * RTS frame length parameters. The default is specified in 534 * the 802.11 spec. The max may be wrong for jumbo frames. 535 */ 536 #define IEEE80211_RTS_DEFAULT 512 537 #define IEEE80211_RTS_MIN 1 538 #define IEEE80211_RTS_MAX IEEE80211_MAX_LEN 539 540 enum { 541 IEEE80211_AUTH_NONE = 0, 542 IEEE80211_AUTH_OPEN = 1, 543 IEEE80211_AUTH_SHARED = 2, 544 }; 545 546 #endif /* _NET80211_IEEE80211_H_ */ 547
Indexes created Tue Oct 07 21:09:53 GMT 2025