ieee80211.h revision 127903
1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * Alternatively, this software may be distributed under the terms of the 18 * GNU General Public License ("GPL") version 2 as published by the Free 19 * Software Foundation. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD: head/sys/net80211/ieee80211.h 127903 2004-04-05 17:47:40Z sam $ 33 */ 34#ifndef _NET80211_IEEE80211_H_ 35#define _NET80211_IEEE80211_H_ 36 37/* 38 * 802.11 protocol definitions. 39 */ 40 41#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 42/* is 802.11 address multicast/broadcast? */ 43#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 44 45/* IEEE 802.11 PLCP header */ 46struct ieee80211_plcp_hdr { 47 u_int16_t i_sfd; 48 u_int8_t i_signal; 49 u_int8_t i_service; 50 u_int16_t i_length; 51 u_int16_t i_crc; 52} __attribute__((__packed__)); 53 54#define IEEE80211_PLCP_SFD 0xF3A0 55#define IEEE80211_PLCP_SERVICE 0x00 56 57/* 58 * generic definitions for IEEE 802.11 frames 59 */ 60struct 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 71struct 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 83struct ieee80211_qoscntl { 84 u_int8_t i_qos[2]; 85}; 86 87struct 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 98struct 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/* 110 * Management Notification Frame 111 */ 112struct ieee80211_mnf { 113 u_int8_t mnf_category; 114 u_int8_t mnf_action; 115 u_int8_t mnf_dialog; 116 u_int8_t mnf_status; 117} __attribute__((__packed__)); 118#define MNF_SETUP_REQ 0 119#define MNF_SETUP_RESP 1 120#define MNF_TEARDOWN 2 121 122/* 123 * WME/802.11e Tspec Element 124 */ 125struct ieee80211_wme_tspec { 126 u_int8_t ts_id; 127 u_int8_t ts_len; 128 u_int8_t ts_oui[3]; 129 u_int8_t ts_oui_type; 130 u_int8_t ts_oui_subtype; 131 u_int8_t ts_version; 132 u_int8_t ts_tsinfo[3]; 133 u_int8_t ts_nom_msdu[2]; 134 u_int8_t ts_max_msdu[2]; 135 u_int8_t ts_min_svc[4]; 136 u_int8_t ts_max_svc[4]; 137 u_int8_t ts_inactv_intv[4]; 138 u_int8_t ts_susp_intv[4]; 139 u_int8_t ts_start_svc[4]; 140 u_int8_t ts_min_rate[4]; 141 u_int8_t ts_mean_rate[4]; 142 u_int8_t ts_max_burst[4]; 143 u_int8_t ts_min_phy[4]; 144 u_int8_t ts_peak_rate[4]; 145 u_int8_t ts_delay[4]; 146 u_int8_t ts_surplus[2]; 147 u_int8_t ts_medium_time[2]; 148} __attribute__((__packed__)); 149 150#define IEEE80211_FC0_VERSION_MASK 0x03 151#define IEEE80211_FC0_VERSION_SHIFT 0 152#define IEEE80211_FC0_VERSION_0 0x00 153#define IEEE80211_FC0_TYPE_MASK 0x0c 154#define IEEE80211_FC0_TYPE_SHIFT 2 155#define IEEE80211_FC0_TYPE_MGT 0x00 156#define IEEE80211_FC0_TYPE_CTL 0x04 157#define IEEE80211_FC0_TYPE_DATA 0x08 158 159#define IEEE80211_FC0_SUBTYPE_MASK 0xf0 160#define IEEE80211_FC0_SUBTYPE_SHIFT 4 161/* for TYPE_MGT */ 162#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 163#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 164#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 165#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 166#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 167#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 168#define IEEE80211_FC0_SUBTYPE_BEACON 0x80 169#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 170#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 171#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 172#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 173/* for TYPE_CTL */ 174#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 175#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 176#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 177#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 178#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 179#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 180/* for TYPE_DATA (bit combination) */ 181#define IEEE80211_FC0_SUBTYPE_DATA 0x00 182#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 183#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 184#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 185#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 186#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 187#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 188#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 189#define IEEE80211_FC0_SUBTYPE_QOS 0x80 190 191#define IEEE80211_FC1_DIR_MASK 0x03 192#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 193#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 194#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 195#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 196 197#define IEEE80211_FC1_MORE_FRAG 0x04 198#define IEEE80211_FC1_RETRY 0x08 199#define IEEE80211_FC1_PWR_MGT 0x10 200#define IEEE80211_FC1_MORE_DATA 0x20 201#define IEEE80211_FC1_WEP 0x40 202#define IEEE80211_FC1_ORDER 0x80 203 204#define IEEE80211_SEQ_FRAG_MASK 0x000f 205#define IEEE80211_SEQ_FRAG_SHIFT 0 206#define IEEE80211_SEQ_SEQ_MASK 0xfff0 207#define IEEE80211_SEQ_SEQ_SHIFT 4 208 209#define IEEE80211_NWID_LEN 32 210 211#define IEEE80211_QOS_TXOP 0x00ff 212/* bit 8 is reserved */ 213#define IEEE80211_QOS_ACKPOLICY 0x0600 214#define IEEE80211_QOS_ESOP 0x0800 215#define IEEE80211_QOS_TID 0xf000 216 217/* 218 * Control frames. 219 */ 220struct ieee80211_frame_min { 221 u_int8_t i_fc[2]; 222 u_int8_t i_dur[2]; 223 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 224 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 225 /* FCS */ 226} __attribute__((__packed__)); 227 228struct ieee80211_frame_rts { 229 u_int8_t i_fc[2]; 230 u_int8_t i_dur[2]; 231 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 232 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 233 /* FCS */ 234} __attribute__((__packed__)); 235 236struct ieee80211_frame_cts { 237 u_int8_t i_fc[2]; 238 u_int8_t i_dur[2]; 239 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 240 /* FCS */ 241} __attribute__((__packed__)); 242 243struct ieee80211_frame_ack { 244 u_int8_t i_fc[2]; 245 u_int8_t i_dur[2]; 246 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 247 /* FCS */ 248} __attribute__((__packed__)); 249 250struct ieee80211_frame_pspoll { 251 u_int8_t i_fc[2]; 252 u_int8_t i_aid[2]; 253 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 254 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 255 /* FCS */ 256} __attribute__((__packed__)); 257 258struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 259 u_int8_t i_fc[2]; 260 u_int8_t i_dur[2]; /* should be zero */ 261 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 262 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 263 /* FCS */ 264} __attribute__((__packed__)); 265 266/* 267 * BEACON management packets 268 * 269 * octet timestamp[8] 270 * octet beacon interval[2] 271 * octet capability information[2] 272 * information element 273 * octet elemid 274 * octet length 275 * octet information[length] 276 */ 277 278typedef uint8_t *ieee80211_mgt_beacon_t; 279 280#define IEEE80211_BEACON_INTERVAL(beacon) \ 281 ((beacon)[8] | ((beacon)[9] << 8)) 282#define IEEE80211_BEACON_CAPABILITY(beacon) \ 283 ((beacon)[10] | ((beacon)[11] << 8)) 284 285#define IEEE80211_CAPINFO_ESS 0x0001 286#define IEEE80211_CAPINFO_IBSS 0x0002 287#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 288#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 289#define IEEE80211_CAPINFO_PRIVACY 0x0010 290#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 291#define IEEE80211_CAPINFO_PBCC 0x0040 292#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 293/* bits 8-9 are reserved */ 294#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 295#define IEEE80211_CAPINFO_RSN 0x0800 296/* bit 12 is reserved */ 297#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 298/* bits 14-15 are reserved */ 299 300/* 301 * 802.11i/WPA information element (maximally sized). 302 */ 303struct ieee80211_ie_wpa { 304 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 305 u_int8_t wpa_type; /* OUI type */ 306 u_int16_t wpa_version; /* spec revision */ 307 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 308 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 309 u_int32_t wpa_uciphers[8];/* ciphers */ 310 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 311 u_int32_t wpa_authsels[8];/* selectors */ 312} __attribute__((__packed__)); 313 314/* 315 * Management information elements 316 */ 317struct ieee80211_information { 318 char ssid[IEEE80211_NWID_LEN+1]; 319 struct rates { 320 u_int8_t *p; 321 } rates; 322 struct fh { 323 u_int16_t dwell; 324 u_int8_t set; 325 u_int8_t pattern; 326 u_int8_t index; 327 } fh; 328 struct ds { 329 u_int8_t channel; 330 } ds; 331 struct cf { 332 u_int8_t count; 333 u_int8_t period; 334 u_int8_t maxdur[2]; 335 u_int8_t dur[2]; 336 } cf; 337 struct tim { 338 u_int8_t count; 339 u_int8_t period; 340 u_int8_t bitctl; 341 /* u_int8_t pvt[251]; The driver needs to use this. */ 342 } tim; 343 struct ibss { 344 u_int16_t atim; 345 } ibss; 346 struct challenge { 347 u_int8_t *p; 348 u_int8_t len; 349 } challenge; 350 struct erp { 351 u_int8_t flags; 352 } erp; 353 struct country { 354 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 355 struct { 356 u_int8_t schan; /* starting channel */ 357 u_int8_t nchan; /* number channels */ 358 u_int8_t maxtxpwr; 359 } band[4]; /* up to 4 sub bands */ 360 } country; 361 struct ath { 362 u_int8_t flags; 363 } ath; 364 struct ieee80211_ie_wpa wpa; 365}; 366 367enum { 368 IEEE80211_ELEMID_SSID = 0, 369 IEEE80211_ELEMID_RATES = 1, 370 IEEE80211_ELEMID_FHPARMS = 2, 371 IEEE80211_ELEMID_DSPARMS = 3, 372 IEEE80211_ELEMID_CFPARMS = 4, 373 IEEE80211_ELEMID_TIM = 5, 374 IEEE80211_ELEMID_IBSSPARMS = 6, 375 IEEE80211_ELEMID_COUNTRY = 7, 376 IEEE80211_ELEMID_CHALLENGE = 16, 377 /* 17-31 reserved for challenge text extension */ 378 IEEE80211_ELEMID_ERP = 42, 379 IEEE80211_ELEMID_XRATES = 50, 380 IEEE80211_ELEMID_TPC = 150, 381 IEEE80211_ELEMID_CCKM = 156, 382 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 383}; 384 385#define IEEE80211_CHALLENGE_LEN 128 386 387#define IEEE80211_RATE_BASIC 0x80 388#define IEEE80211_RATE_VAL 0x7f 389 390/* EPR information element flags */ 391#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 392#define IEEE80211_ERP_USE_PROTECTION 0x02 393#define IEEE80211_ERP_BARKER_MODE 0x04 394 395/* Atheros private advanced capabilities info */ 396#define ATHEROS_CAP_TURBO_PRIME 0x01 397#define ATHEROS_CAP_COMPRESSION 0x02 398#define ATHEROS_CAP_FAST_FRAME 0x04 399/* bits 3-6 reserved */ 400#define ATHEROS_CAP_BOOST 0x80 401 402#define ATH_OUI 0x7f0300 /* Atheros OUI */ 403#define ATH_OUI_TYPE 0x01 404#define ATH_OUI_VERSION 0x01 405 406#define WPA_OUI 0xf25000 407#define WPA_OUI_TYPE 0x01 408#define WPA_OUI_VERSION 1 /* current supported version */ 409 410#define WPA_CSE_NULL 0x00 411#define WPA_CSE_WEP40 0x01 412#define WPA_CSE_TKIP 0x02 413#define WPA_CSE_WRAP 0x03 /* WPA2/802.11i */ 414#define WPA_CSE_CCMP 0x04 415#define WPA_CSE_WEP104 0x05 416 417#define WPA_ASE_NONE 0x00 418#define WPA_ASE_8021X_UNSPEC 0x01 419#define WPA_ASE_8021X_PSK 0x02 420 421/* 422 * AUTH management packets 423 * 424 * octet algo[2] 425 * octet seq[2] 426 * octet status[2] 427 * octet chal.id 428 * octet chal.length 429 * octet chal.text[253] 430 */ 431 432typedef u_int8_t *ieee80211_mgt_auth_t; 433 434#define IEEE80211_AUTH_ALGORITHM(auth) \ 435 ((auth)[0] | ((auth)[1] << 8)) 436#define IEEE80211_AUTH_TRANSACTION(auth) \ 437 ((auth)[2] | ((auth)[3] << 8)) 438#define IEEE80211_AUTH_STATUS(auth) \ 439 ((auth)[4] | ((auth)[5] << 8)) 440 441#define IEEE80211_AUTH_ALG_OPEN 0x0000 442#define IEEE80211_AUTH_ALG_SHARED 0x0001 443#define IEEE80211_AUTH_ALG_LEAP 0x0080 444 445enum { 446 IEEE80211_AUTH_OPEN_REQUEST = 1, 447 IEEE80211_AUTH_OPEN_RESPONSE = 2, 448}; 449 450enum { 451 IEEE80211_AUTH_SHARED_REQUEST = 1, 452 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 453 IEEE80211_AUTH_SHARED_RESPONSE = 3, 454 IEEE80211_AUTH_SHARED_PASS = 4, 455}; 456 457/* 458 * Reason codes 459 * 460 * Unlisted codes are reserved 461 */ 462 463enum { 464 IEEE80211_REASON_UNSPECIFIED = 1, 465 IEEE80211_REASON_AUTH_EXPIRE = 2, 466 IEEE80211_REASON_AUTH_LEAVE = 3, 467 IEEE80211_REASON_ASSOC_EXPIRE = 4, 468 IEEE80211_REASON_ASSOC_TOOMANY = 5, 469 IEEE80211_REASON_NOT_AUTHED = 6, 470 IEEE80211_REASON_NOT_ASSOCED = 7, 471 IEEE80211_REASON_ASSOC_LEAVE = 8, 472 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 473 474 IEEE80211_REASON_RSN_REQUIRED = 11, 475 IEEE80211_REASON_RSN_INCONSISTENT = 12, 476 IEEE80211_REASON_IE_INVALID = 13, 477 IEEE80211_REASON_MIC_FAILURE = 14, 478 479 IEEE80211_STATUS_SUCCESS = 0, 480 IEEE80211_STATUS_UNSPECIFIED = 1, 481 IEEE80211_STATUS_CAPINFO = 10, 482 IEEE80211_STATUS_NOT_ASSOCED = 11, 483 IEEE80211_STATUS_OTHER = 12, 484 IEEE80211_STATUS_ALG = 13, 485 IEEE80211_STATUS_SEQUENCE = 14, 486 IEEE80211_STATUS_CHALLENGE = 15, 487 IEEE80211_STATUS_TIMEOUT = 16, 488 IEEE80211_STATUS_TOOMANY = 17, 489 IEEE80211_STATUS_BASIC_RATE = 18, 490 IEEE80211_STATUS_SP_REQUIRED = 19, 491 IEEE80211_STATUS_PBCC_REQUIRED = 20, 492 IEEE80211_STATUS_CA_REQUIRED = 21, 493 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 494 IEEE80211_STATUS_RATES = 23, 495 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 496 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, 497}; 498 499#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 500#define IEEE80211_WEP_IVLEN 3 /* 24bit */ 501#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 502#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 503#define IEEE80211_WEP_NKID 4 /* number of key ids */ 504 505#define IEEE80211_CRC_LEN 4 506 507/* 508 * Maximum acceptable MTU is: 509 * IEEE80211_MAX_LEN - WEP overhead - CRC - 510 * QoS overhead - RSN/WPA overhead 511 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 512 * mtu is Ethernet-compatible; it's set by ether_ifattach. 513 */ 514#define IEEE80211_MTU_MAX 2290 515#define IEEE80211_MTU_MIN 32 516 517#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 518 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 519#define IEEE80211_MIN_LEN \ 520 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 521 522/* 523 * RTS frame length parameters. The default is specified in 524 * the 802.11 spec. The max may be wrong for jumbo frames. 525 */ 526#define IEEE80211_RTS_DEFAULT 512 527#define IEEE80211_RTS_MIN 1 528#define IEEE80211_RTS_MAX IEEE80211_MAX_LEN 529 530enum { 531 IEEE80211_AUTH_NONE = 0, 532 IEEE80211_AUTH_OPEN = 1, 533 IEEE80211_AUTH_SHARED = 2, 534}; 535 536#endif /* _NET80211_IEEE80211_H_ */ 537