ieee80211.h revision 170360
1/*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2007 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/net80211/ieee80211.h 170360 2007-06-06 04:56:04Z sam $ 27 */ 28#ifndef _NET80211_IEEE80211_H_ 29#define _NET80211_IEEE80211_H_ 30 31/* 32 * 802.11 protocol definitions. 33 */ 34 35#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 36/* is 802.11 address multicast/broadcast? */ 37#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 38 39/* IEEE 802.11 PLCP header */ 40struct ieee80211_plcp_hdr { 41 u_int16_t i_sfd; 42 u_int8_t i_signal; 43 u_int8_t i_service; 44 u_int16_t i_length; 45 u_int16_t i_crc; 46} __packed; 47 48#define IEEE80211_PLCP_SFD 0xF3A0 49#define IEEE80211_PLCP_SERVICE 0x00 50 51/* 52 * generic definitions for IEEE 802.11 frames 53 */ 54struct ieee80211_frame { 55 u_int8_t i_fc[2]; 56 u_int8_t i_dur[2]; 57 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 58 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 59 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 60 u_int8_t i_seq[2]; 61 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 62 /* see below */ 63} __packed; 64 65struct ieee80211_qosframe { 66 u_int8_t i_fc[2]; 67 u_int8_t i_dur[2]; 68 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 69 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 70 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 71 u_int8_t i_seq[2]; 72 u_int8_t i_qos[2]; 73 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 74 /* see below */ 75} __packed; 76 77struct ieee80211_qoscntl { 78 u_int8_t i_qos[2]; 79}; 80 81struct ieee80211_frame_addr4 { 82 u_int8_t i_fc[2]; 83 u_int8_t i_dur[2]; 84 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 85 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 86 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 87 u_int8_t i_seq[2]; 88 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 89} __packed; 90 91 92struct ieee80211_qosframe_addr4 { 93 u_int8_t i_fc[2]; 94 u_int8_t i_dur[2]; 95 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 96 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 97 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 98 u_int8_t i_seq[2]; 99 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 100 u_int8_t i_qos[2]; 101} __packed; 102 103#define IEEE80211_FC0_VERSION_MASK 0x03 104#define IEEE80211_FC0_VERSION_SHIFT 0 105#define IEEE80211_FC0_VERSION_0 0x00 106#define IEEE80211_FC0_TYPE_MASK 0x0c 107#define IEEE80211_FC0_TYPE_SHIFT 2 108#define IEEE80211_FC0_TYPE_MGT 0x00 109#define IEEE80211_FC0_TYPE_CTL 0x04 110#define IEEE80211_FC0_TYPE_DATA 0x08 111 112#define IEEE80211_FC0_SUBTYPE_MASK 0xf0 113#define IEEE80211_FC0_SUBTYPE_SHIFT 4 114/* for TYPE_MGT */ 115#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 116#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 117#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 118#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 119#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 120#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 121#define IEEE80211_FC0_SUBTYPE_BEACON 0x80 122#define IEEE80211_FC0_SUBTYPE_ATIM 0x90 123#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 124#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 125#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 126/* for TYPE_CTL */ 127#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 128#define IEEE80211_FC0_SUBTYPE_RTS 0xb0 129#define IEEE80211_FC0_SUBTYPE_CTS 0xc0 130#define IEEE80211_FC0_SUBTYPE_ACK 0xd0 131#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 132#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 133/* for TYPE_DATA (bit combination) */ 134#define IEEE80211_FC0_SUBTYPE_DATA 0x00 135#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 136#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 137#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 138#define IEEE80211_FC0_SUBTYPE_NODATA 0x40 139#define IEEE80211_FC0_SUBTYPE_CFACK 0x50 140#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 141#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 142#define IEEE80211_FC0_SUBTYPE_QOS 0x80 143#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 144 145#define IEEE80211_FC1_DIR_MASK 0x03 146#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 147#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 148#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 149#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 150 151#define IEEE80211_FC1_MORE_FRAG 0x04 152#define IEEE80211_FC1_RETRY 0x08 153#define IEEE80211_FC1_PWR_MGT 0x10 154#define IEEE80211_FC1_MORE_DATA 0x20 155#define IEEE80211_FC1_WEP 0x40 156#define IEEE80211_FC1_ORDER 0x80 157 158#define IEEE80211_SEQ_FRAG_MASK 0x000f 159#define IEEE80211_SEQ_FRAG_SHIFT 0 160#define IEEE80211_SEQ_SEQ_MASK 0xfff0 161#define IEEE80211_SEQ_SEQ_SHIFT 4 162 163#define IEEE80211_NWID_LEN 32 164 165#define IEEE80211_QOS_TXOP 0x00ff 166/* bit 8 is reserved */ 167#define IEEE80211_QOS_ACKPOLICY 0x60 168#define IEEE80211_QOS_ACKPOLICY_S 5 169#define IEEE80211_QOS_ESOP 0x10 170#define IEEE80211_QOS_ESOP_S 4 171#define IEEE80211_QOS_TID 0x0f 172 173/* does frame have QoS sequence control data */ 174#define IEEE80211_QOS_HAS_SEQ(wh) \ 175 (((wh)->i_fc[0] & \ 176 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 177 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 178 179/* 180 * WME/802.11e information element. 181 */ 182struct ieee80211_wme_info { 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; /* QoS info */ 190} __packed; 191 192/* 193 * WME/802.11e Tspec Element 194 */ 195struct 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} __packed; 219 220/* 221 * WME AC parameter field 222 */ 223struct ieee80211_wme_acparams { 224 u_int8_t acp_aci_aifsn; 225 u_int8_t acp_logcwminmax; 226 u_int16_t acp_txop; 227} __packed; 228 229#define WME_NUM_AC 4 /* 4 AC categories */ 230 231#define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 232#define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 233#define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 234#define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 235#define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 236#define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 237#define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 238#define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 239#define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 240#define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 241 242#define WME_AC_TO_TID(_ac) ( \ 243 ((_ac) == WME_AC_VO) ? 6 : \ 244 ((_ac) == WME_AC_VI) ? 5 : \ 245 ((_ac) == WME_AC_BK) ? 1 : \ 246 0) 247 248#define TID_TO_WME_AC(_tid) ( \ 249 ((_tid) < 1) ? WME_AC_BE : \ 250 ((_tid) < 3) ? WME_AC_BK : \ 251 ((_tid) < 6) ? WME_AC_VI : \ 252 WME_AC_VO) 253 254/* 255 * WME Parameter Element 256 */ 257struct ieee80211_wme_param { 258 u_int8_t param_id; 259 u_int8_t param_len; 260 u_int8_t param_oui[3]; 261 u_int8_t param_oui_type; 262 u_int8_t param_oui_sybtype; 263 u_int8_t param_version; 264 u_int8_t param_qosInfo; 265#define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 266 u_int8_t param_reserved; 267 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 268} __packed; 269 270/* 271 * Management Notification Frame 272 */ 273struct ieee80211_mnf { 274 u_int8_t mnf_category; 275 u_int8_t mnf_action; 276 u_int8_t mnf_dialog; 277 u_int8_t mnf_status; 278} __packed; 279#define MNF_SETUP_REQ 0 280#define MNF_SETUP_RESP 1 281#define MNF_TEARDOWN 2 282 283/* 284 * Control frames. 285 */ 286struct ieee80211_frame_min { 287 u_int8_t i_fc[2]; 288 u_int8_t i_dur[2]; 289 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 290 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 291 /* FCS */ 292} __packed; 293 294struct ieee80211_frame_rts { 295 u_int8_t i_fc[2]; 296 u_int8_t i_dur[2]; 297 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 298 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 299 /* FCS */ 300} __packed; 301 302struct ieee80211_frame_cts { 303 u_int8_t i_fc[2]; 304 u_int8_t i_dur[2]; 305 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 306 /* FCS */ 307} __packed; 308 309struct ieee80211_frame_ack { 310 u_int8_t i_fc[2]; 311 u_int8_t i_dur[2]; 312 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 313 /* FCS */ 314} __packed; 315 316struct ieee80211_frame_pspoll { 317 u_int8_t i_fc[2]; 318 u_int8_t i_aid[2]; 319 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 320 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 321 /* FCS */ 322} __packed; 323 324struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 325 u_int8_t i_fc[2]; 326 u_int8_t i_dur[2]; /* should be zero */ 327 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 328 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 329 /* FCS */ 330} __packed; 331 332/* 333 * BEACON management packets 334 * 335 * octet timestamp[8] 336 * octet beacon interval[2] 337 * octet capability information[2] 338 * information element 339 * octet elemid 340 * octet length 341 * octet information[length] 342 */ 343 344typedef u_int8_t *ieee80211_mgt_beacon_t; 345 346#define IEEE80211_BEACON_INTERVAL(beacon) \ 347 ((beacon)[8] | ((beacon)[9] << 8)) 348#define IEEE80211_BEACON_CAPABILITY(beacon) \ 349 ((beacon)[10] | ((beacon)[11] << 8)) 350 351#define IEEE80211_CAPINFO_ESS 0x0001 352#define IEEE80211_CAPINFO_IBSS 0x0002 353#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 354#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 355#define IEEE80211_CAPINFO_PRIVACY 0x0010 356#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 357#define IEEE80211_CAPINFO_PBCC 0x0040 358#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 359/* bits 8-9 are reserved */ 360#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 361#define IEEE80211_CAPINFO_RSN 0x0800 362/* bit 12 is reserved */ 363#define IEEE80211_CAPINFO_DSSSOFDM 0x2000 364/* bits 14-15 are reserved */ 365 366/* 367 * 802.11i/WPA information element (maximally sized). 368 */ 369struct ieee80211_ie_wpa { 370 u_int8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 371 u_int8_t wpa_len; /* length in bytes */ 372 u_int8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 373 u_int8_t wpa_type; /* OUI type */ 374 u_int16_t wpa_version; /* spec revision */ 375 u_int32_t wpa_mcipher[1]; /* multicast/group key cipher */ 376 u_int16_t wpa_uciphercnt; /* # pairwise key ciphers */ 377 u_int32_t wpa_uciphers[8];/* ciphers */ 378 u_int16_t wpa_authselcnt; /* authentication selector cnt*/ 379 u_int32_t wpa_authsels[8];/* selectors */ 380 u_int16_t wpa_caps; /* 802.11i capabilities */ 381 u_int16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 382 u_int16_t wpa_pmkids[8]; /* 802.11i pmkids */ 383} __packed; 384 385/* 386 * Management information element payloads. 387 */ 388 389enum { 390 IEEE80211_ELEMID_SSID = 0, 391 IEEE80211_ELEMID_RATES = 1, 392 IEEE80211_ELEMID_FHPARMS = 2, 393 IEEE80211_ELEMID_DSPARMS = 3, 394 IEEE80211_ELEMID_CFPARMS = 4, 395 IEEE80211_ELEMID_TIM = 5, 396 IEEE80211_ELEMID_IBSSPARMS = 6, 397 IEEE80211_ELEMID_COUNTRY = 7, 398 IEEE80211_ELEMID_CHALLENGE = 16, 399 /* 17-31 reserved for challenge text extension */ 400 IEEE80211_ELEMID_ERP = 42, 401 IEEE80211_ELEMID_RSN = 48, 402 IEEE80211_ELEMID_XRATES = 50, 403 IEEE80211_ELEMID_TPC = 150, 404 IEEE80211_ELEMID_CCKM = 156, 405 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 406}; 407 408struct ieee80211_tim_ie { 409 u_int8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 410 u_int8_t tim_len; 411 u_int8_t tim_count; /* DTIM count */ 412 u_int8_t tim_period; /* DTIM period */ 413 u_int8_t tim_bitctl; /* bitmap control */ 414 u_int8_t tim_bitmap[1]; /* variable-length bitmap */ 415} __packed; 416 417struct ieee80211_country_ie { 418 u_int8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 419 u_int8_t len; 420 u_int8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 421 struct { 422 u_int8_t schan; /* starting channel */ 423 u_int8_t nchan; /* number channels */ 424 u_int8_t maxtxpwr; /* tx power cap */ 425 } __packed band[4]; /* up to 4 sub bands */ 426} __packed; 427 428#define IEEE80211_CHALLENGE_LEN 128 429 430#define IEEE80211_RATE_BASIC 0x80 431#define IEEE80211_RATE_VAL 0x7f 432 433/* EPR information element flags */ 434#define IEEE80211_ERP_NON_ERP_PRESENT 0x01 435#define IEEE80211_ERP_USE_PROTECTION 0x02 436#define IEEE80211_ERP_LONG_PREAMBLE 0x04 437 438/* Atheros private advanced capabilities info */ 439#define ATHEROS_CAP_TURBO_PRIME 0x01 440#define ATHEROS_CAP_COMPRESSION 0x02 441#define ATHEROS_CAP_FAST_FRAME 0x04 442/* bits 3-6 reserved */ 443#define ATHEROS_CAP_BOOST 0x80 444 445#define ATH_OUI 0x7f0300 /* Atheros OUI */ 446#define ATH_OUI_TYPE 0x01 447#define ATH_OUI_VERSION 0x01 448 449#define WPA_OUI 0xf25000 450#define WPA_OUI_TYPE 0x01 451#define WPA_VERSION 1 /* current supported version */ 452 453#define WPA_CSE_NULL 0x00 454#define WPA_CSE_WEP40 0x01 455#define WPA_CSE_TKIP 0x02 456#define WPA_CSE_CCMP 0x04 457#define WPA_CSE_WEP104 0x05 458 459#define WPA_ASE_NONE 0x00 460#define WPA_ASE_8021X_UNSPEC 0x01 461#define WPA_ASE_8021X_PSK 0x02 462 463#define RSN_OUI 0xac0f00 464#define RSN_VERSION 1 /* current supported version */ 465 466#define RSN_CSE_NULL 0x00 467#define RSN_CSE_WEP40 0x01 468#define RSN_CSE_TKIP 0x02 469#define RSN_CSE_WRAP 0x03 470#define RSN_CSE_CCMP 0x04 471#define RSN_CSE_WEP104 0x05 472 473#define RSN_ASE_NONE 0x00 474#define RSN_ASE_8021X_UNSPEC 0x01 475#define RSN_ASE_8021X_PSK 0x02 476 477#define RSN_CAP_PREAUTH 0x01 478 479#define WME_OUI 0xf25000 480#define WME_OUI_TYPE 0x02 481#define WME_INFO_OUI_SUBTYPE 0x00 482#define WME_PARAM_OUI_SUBTYPE 0x01 483#define WME_VERSION 1 484 485/* WME stream classes */ 486#define WME_AC_BE 0 /* best effort */ 487#define WME_AC_BK 1 /* background */ 488#define WME_AC_VI 2 /* video */ 489#define WME_AC_VO 3 /* voice */ 490 491/* 492 * AUTH management packets 493 * 494 * octet algo[2] 495 * octet seq[2] 496 * octet status[2] 497 * octet chal.id 498 * octet chal.length 499 * octet chal.text[253] 500 */ 501 502typedef u_int8_t *ieee80211_mgt_auth_t; 503 504#define IEEE80211_AUTH_ALGORITHM(auth) \ 505 ((auth)[0] | ((auth)[1] << 8)) 506#define IEEE80211_AUTH_TRANSACTION(auth) \ 507 ((auth)[2] | ((auth)[3] << 8)) 508#define IEEE80211_AUTH_STATUS(auth) \ 509 ((auth)[4] | ((auth)[5] << 8)) 510 511#define IEEE80211_AUTH_ALG_OPEN 0x0000 512#define IEEE80211_AUTH_ALG_SHARED 0x0001 513#define IEEE80211_AUTH_ALG_LEAP 0x0080 514 515enum { 516 IEEE80211_AUTH_OPEN_REQUEST = 1, 517 IEEE80211_AUTH_OPEN_RESPONSE = 2, 518}; 519 520enum { 521 IEEE80211_AUTH_SHARED_REQUEST = 1, 522 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 523 IEEE80211_AUTH_SHARED_RESPONSE = 3, 524 IEEE80211_AUTH_SHARED_PASS = 4, 525}; 526 527/* 528 * Reason codes 529 * 530 * Unlisted codes are reserved 531 */ 532 533enum { 534 IEEE80211_REASON_UNSPECIFIED = 1, 535 IEEE80211_REASON_AUTH_EXPIRE = 2, 536 IEEE80211_REASON_AUTH_LEAVE = 3, 537 IEEE80211_REASON_ASSOC_EXPIRE = 4, 538 IEEE80211_REASON_ASSOC_TOOMANY = 5, 539 IEEE80211_REASON_NOT_AUTHED = 6, 540 IEEE80211_REASON_NOT_ASSOCED = 7, 541 IEEE80211_REASON_ASSOC_LEAVE = 8, 542 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 543 544 IEEE80211_REASON_RSN_REQUIRED = 11, 545 IEEE80211_REASON_RSN_INCONSISTENT = 12, 546 IEEE80211_REASON_IE_INVALID = 13, 547 IEEE80211_REASON_MIC_FAILURE = 14, 548 549 IEEE80211_STATUS_SUCCESS = 0, 550 IEEE80211_STATUS_UNSPECIFIED = 1, 551 IEEE80211_STATUS_CAPINFO = 10, 552 IEEE80211_STATUS_NOT_ASSOCED = 11, 553 IEEE80211_STATUS_OTHER = 12, 554 IEEE80211_STATUS_ALG = 13, 555 IEEE80211_STATUS_SEQUENCE = 14, 556 IEEE80211_STATUS_CHALLENGE = 15, 557 IEEE80211_STATUS_TIMEOUT = 16, 558 IEEE80211_STATUS_TOOMANY = 17, 559 IEEE80211_STATUS_BASIC_RATE = 18, 560 IEEE80211_STATUS_SP_REQUIRED = 19, 561 IEEE80211_STATUS_PBCC_REQUIRED = 20, 562 IEEE80211_STATUS_CA_REQUIRED = 21, 563 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 564 IEEE80211_STATUS_RATES = 23, 565 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 566 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, 567}; 568 569#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 570#define IEEE80211_WEP_IVLEN 3 /* 24bit */ 571#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 572#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 573#define IEEE80211_WEP_NKID 4 /* number of key ids */ 574 575/* 576 * 802.11i defines an extended IV for use with non-WEP ciphers. 577 * When the EXTIV bit is set in the key id byte an additional 578 * 4 bytes immediately follow the IV for TKIP. For CCMP the 579 * EXTIV bit is likewise set but the 8 bytes represent the 580 * CCMP header rather than IV+extended-IV. 581 */ 582#define IEEE80211_WEP_EXTIV 0x20 583#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 584#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 585 586#define IEEE80211_CRC_LEN 4 587 588/* 589 * Maximum acceptable MTU is: 590 * IEEE80211_MAX_LEN - WEP overhead - CRC - 591 * QoS overhead - RSN/WPA overhead 592 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 593 * mtu is Ethernet-compatible; it's set by ether_ifattach. 594 */ 595#define IEEE80211_MTU_MAX 2290 596#define IEEE80211_MTU_MIN 32 597 598#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 599 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 600#define IEEE80211_ACK_LEN \ 601 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 602#define IEEE80211_MIN_LEN \ 603 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 604 605/* 606 * The 802.11 spec says at most 2007 stations may be 607 * associated at once. For most AP's this is way more 608 * than is feasible so we use a default of 128. This 609 * number may be overridden by the driver and/or by 610 * user configuration. 611 */ 612#define IEEE80211_AID_MAX 2007 613#define IEEE80211_AID_DEF 128 614 615#define IEEE80211_AID(b) ((b) &~ 0xc000) 616 617/* 618 * RTS frame length parameters. The default is specified in 619 * the 802.11 spec as 512; we treat it as implementation-dependent 620 * so it's defined in ieee80211_var.h. The max may be wrong 621 * for jumbo frames. 622 */ 623#define IEEE80211_RTS_MIN 1 624#define IEEE80211_RTS_MAX 2346 625 626/* 627 * TX fragmentation parameters. As above for RTS, we treat 628 * default as implementation-dependent so define it elsewhere. 629 */ 630#define IEEE80211_FRAG_MIN 256 631#define IEEE80211_FRAG_MAX 2346 632 633/* 634 * Beacon interval (TU's). Min+max come from WiFi requirements. 635 * As above, we treat default as implementation-dependent so 636 * define it elsewhere. 637 */ 638#define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 639#define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 640 641/* 642 * DTIM period (beacons). Min+max are not really defined 643 * by the protocol but we want them publicly visible so 644 * define them here. 645 */ 646#define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 647#define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 648 649/* 650 * Beacon miss threshold (beacons). As for DTIM, we define 651 * them here to be publicly visible. Note the max may be 652 * clamped depending on device capabilities. 653 */ 654#define IEEE80211_HWBMISS_MIN 1 655#define IEEE80211_HWBMISS_MAX 255 656 657#endif /* _NET80211_IEEE80211_H_ */ 658