1 /* $OpenBSD: ieee80211.h,v 1.58 2016/05/12 18:18:48 dcoppa Exp $ */ 2 /* $NetBSD: ieee80211.h,v 1.6 2004/04/30 23:51:53 dyoung Exp $ */ 3 4 /*- 5 * Copyright (c) 2001 Atsushi Onoe 6 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 #ifndef _NET80211_IEEE80211_H_ 30 #define _NET80211_IEEE80211_H_ 31 32 /* 33 * 802.11 protocol definitions. 34 */ 35 36 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 37 /* is 802.11 address multicast/broadcast? */ 38 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 39 40 /* 41 * Generic definitions for IEEE 802.11 frames. 42 */ 43 struct ieee80211_frame { 44 u_int8_t i_fc[2]; 45 u_int8_t i_dur[2]; 46 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 47 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 48 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 49 u_int8_t i_seq[2]; 50 } __packed; 51 52 struct ieee80211_qosframe { 53 u_int8_t i_fc[2]; 54 u_int8_t i_dur[2]; 55 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 56 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 57 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 58 u_int8_t i_seq[2]; 59 u_int8_t i_qos[2]; 60 } __packed; 61 62 struct ieee80211_htframe { /* 11n */ 63 u_int8_t i_fc[2]; 64 u_int8_t i_dur[2]; 65 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 66 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 67 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 68 u_int8_t i_seq[2]; 69 u_int8_t i_qos[2]; 70 u_int8_t i_ht[4]; 71 } __packed; 72 73 struct ieee80211_frame_addr4 { 74 u_int8_t i_fc[2]; 75 u_int8_t i_dur[2]; 76 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 77 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 78 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 79 u_int8_t i_seq[2]; 80 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 81 } __packed; 82 83 struct ieee80211_qosframe_addr4 { 84 u_int8_t i_fc[2]; 85 u_int8_t i_dur[2]; 86 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 87 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 88 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 89 u_int8_t i_seq[2]; 90 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 91 u_int8_t i_qos[2]; 92 } __packed; 93 94 struct ieee80211_htframe_addr4 { /* 11n */ 95 u_int8_t i_fc[2]; 96 u_int8_t i_dur[2]; 97 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 98 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 99 u_int8_t i_addr3[IEEE80211_ADDR_LEN]; 100 u_int8_t i_seq[2]; 101 u_int8_t i_addr4[IEEE80211_ADDR_LEN]; 102 u_int8_t i_qos[2]; 103 u_int8_t i_ht[4]; 104 } __packed; 105 106 #define IEEE80211_FC0_VERSION_MASK 0x03 107 #define IEEE80211_FC0_VERSION_SHIFT 0 108 #define IEEE80211_FC0_VERSION_0 0x00 109 #define IEEE80211_FC0_TYPE_MASK 0x0c 110 #define IEEE80211_FC0_TYPE_SHIFT 2 111 #define IEEE80211_FC0_TYPE_MGT 0x00 112 #define IEEE80211_FC0_TYPE_CTL 0x04 113 #define IEEE80211_FC0_TYPE_DATA 0x08 114 115 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 116 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 117 /* for TYPE_MGT */ 118 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 119 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 120 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 121 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 122 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 123 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 124 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 125 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 126 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 127 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 128 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 129 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 130 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* 11n */ 131 /* for TYPE_CTL */ 132 #define IEEE80211_FC0_SUBTYPE_WRAPPER 0x70 /* 11n */ 133 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 134 #define IEEE80211_FC0_SUBTYPE_BA 0x90 135 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 136 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 137 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 138 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 139 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 140 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 141 /* for TYPE_DATA (bit combination) */ 142 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 143 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 144 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 145 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 146 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 147 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 148 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 149 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 150 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 151 152 #define IEEE80211_FC1_DIR_MASK 0x03 153 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 154 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 155 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 156 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 157 158 #define IEEE80211_FC1_MORE_FRAG 0x04 159 #define IEEE80211_FC1_RETRY 0x08 160 #define IEEE80211_FC1_PWR_MGT 0x10 161 #define IEEE80211_FC1_MORE_DATA 0x20 162 #define IEEE80211_FC1_PROTECTED 0x40 163 #define IEEE80211_FC1_WEP 0x40 /* pre-RSNA compat */ 164 #define IEEE80211_FC1_ORDER 0x80 165 #define IEEE80211_FC1_BITS \ 166 "\20\03MORE_FRAG\04RETRY\05PWR_MGT\06MORE_DATA" \ 167 "\07PROTECTED\08ORDER" 168 169 /* 170 * Sequence Control field (see 802.11-2012 8.2.4.4). 171 */ 172 #define IEEE80211_SEQ_FRAG_MASK 0x000f 173 #define IEEE80211_SEQ_FRAG_SHIFT 0 174 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 175 #define IEEE80211_SEQ_SEQ_SHIFT 4 176 177 #define IEEE80211_NWID_LEN 32 178 #define IEEE80211_MMIE_LEN 18 /* 11w */ 179 180 /* 181 * QoS Control field (see 802.11-2012 8.2.4.5). 182 */ 183 #define IEEE80211_QOS_TXOP 0xff00 184 #define IEEE80211_QOS_AMSDU 0x0080 /* 11n */ 185 #define IEEE80211_QOS_ACK_POLICY_NORMAL 0x0000 186 #define IEEE80211_QOS_ACK_POLICY_NOACK 0x0020 187 #define IEEE80211_QOS_ACK_POLICY_NOEXPLACK 0x0040 188 #define IEEE80211_QOS_ACK_POLICY_BA 0x0060 189 #define IEEE80211_QOS_ACK_POLICY_MASK 0x0060 190 #define IEEE80211_QOS_ACK_POLICY_SHIFT 5 191 #define IEEE80211_QOS_EOSP 0x0010 192 #define IEEE80211_QOS_TID 0x000f 193 194 /* 195 * Control frames. 196 */ 197 struct ieee80211_frame_min { 198 u_int8_t i_fc[2]; 199 u_int8_t i_dur[2]; 200 u_int8_t i_addr1[IEEE80211_ADDR_LEN]; 201 u_int8_t i_addr2[IEEE80211_ADDR_LEN]; 202 /* FCS */ 203 } __packed; 204 205 struct ieee80211_frame_rts { 206 u_int8_t i_fc[2]; 207 u_int8_t i_dur[2]; 208 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 209 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 210 /* FCS */ 211 } __packed; 212 213 struct ieee80211_frame_cts { 214 u_int8_t i_fc[2]; 215 u_int8_t i_dur[2]; 216 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 217 /* FCS */ 218 } __packed; 219 220 struct ieee80211_frame_ack { 221 u_int8_t i_fc[2]; 222 u_int8_t i_dur[2]; 223 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 224 /* FCS */ 225 } __packed; 226 227 struct ieee80211_frame_pspoll { 228 u_int8_t i_fc[2]; 229 u_int8_t i_aid[2]; 230 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 231 u_int8_t i_ta[IEEE80211_ADDR_LEN]; 232 /* FCS */ 233 } __packed; 234 235 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 236 u_int8_t i_fc[2]; 237 u_int8_t i_dur[2]; /* should be zero */ 238 u_int8_t i_ra[IEEE80211_ADDR_LEN]; 239 u_int8_t i_bssid[IEEE80211_ADDR_LEN]; 240 /* FCS */ 241 } __packed; 242 243 #ifdef _KERNEL 244 static __inline int 245 ieee80211_has_seq(const struct ieee80211_frame *wh) 246 { 247 return (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) != 248 IEEE80211_FC0_TYPE_CTL; 249 } 250 251 static __inline int 252 ieee80211_has_addr4(const struct ieee80211_frame *wh) 253 { 254 return (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == 255 IEEE80211_FC1_DIR_DSTODS; 256 } 257 258 static __inline int 259 ieee80211_has_qos(const struct ieee80211_frame *wh) 260 { 261 return (wh->i_fc[0] & 262 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == 263 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS); 264 } 265 266 static __inline int 267 ieee80211_has_htc(const struct ieee80211_frame *wh) 268 { 269 return (wh->i_fc[1] & IEEE80211_FC1_ORDER) && 270 (ieee80211_has_qos(wh) || 271 (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 272 IEEE80211_FC0_TYPE_MGT); 273 } 274 275 static __inline u_int16_t 276 ieee80211_get_qos(const struct ieee80211_frame *wh) 277 { 278 const u_int8_t *frm; 279 280 if (ieee80211_has_addr4(wh)) 281 frm = ((const struct ieee80211_qosframe_addr4 *)wh)->i_qos; 282 else 283 frm = ((const struct ieee80211_qosframe *)wh)->i_qos; 284 285 return letoh16(*(const u_int16_t *)frm); 286 } 287 #endif /* _KERNEL */ 288 289 /* 290 * Capability Information field (see 802.11-2012 8.4.1.4). 291 */ 292 #define IEEE80211_CAPINFO_ESS 0x0001 293 #define IEEE80211_CAPINFO_IBSS 0x0002 294 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 295 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 296 #define IEEE80211_CAPINFO_PRIVACY 0x0010 297 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 298 #define IEEE80211_CAPINFO_PBCC 0x0040 299 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 300 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 301 #define IEEE80211_CAPINFO_QOS 0x0200 302 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 303 #define IEEE80211_CAPINFO_APSD 0x0800 304 #define IEEE80211_CAPINFO_RADIO_MEASUREMENT 0x1000 305 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 306 #define IEEE80211_CAPINFO_DELAYED_B_ACK 0x4000 307 #define IEEE80211_CAPINFO_IMMEDIATE_B_ACK 0x8000 308 #define IEEE80211_CAPINFO_BITS \ 309 "\10\01ESS\02IBSS\03CF_POLLABLE\04CF_POLLREQ" \ 310 "\05PRIVACY\06SHORT_PREAMBLE\07PBCC\10CHNL_AGILITY" \ 311 "\11SPECTRUM_MGMT\12QOS\13SHORT_SLOTTIME\14APSD" \ 312 "\15RADIO_MEASUREMENT\16DSSSOFDM\17DELAYED_B_ACK\20IMMEDIATE_B_ACK" 313 314 /* 315 * Information element IDs (see 802.11-2012 Table 8.4.2). 316 */ 317 enum { 318 IEEE80211_ELEMID_SSID = 0, 319 IEEE80211_ELEMID_RATES = 1, 320 IEEE80211_ELEMID_FHPARMS = 2, 321 IEEE80211_ELEMID_DSPARMS = 3, 322 IEEE80211_ELEMID_CFPARMS = 4, 323 IEEE80211_ELEMID_TIM = 5, 324 IEEE80211_ELEMID_IBSSPARMS = 6, 325 IEEE80211_ELEMID_COUNTRY = 7, 326 IEEE80211_ELEMID_HOPPING_PARMS = 8, 327 IEEE80211_ELEMID_HOPPING_PATTERN = 9, 328 IEEE80211_ELEMID_REQUEST = 10, 329 IEEE80211_ELEMID_QBSS_LOAD = 11, 330 IEEE80211_ELEMID_EDCAPARMS = 12, 331 IEEE80211_ELEMID_TSPEC = 13, 332 IEEE80211_ELEMID_TCLASS = 14, 333 IEEE80211_ELEMID_SCHEDULE = 15, 334 IEEE80211_ELEMID_CHALLENGE = 16, 335 /* 17-31 reserved for challenge text extension */ 336 IEEE80211_ELEMID_POWER_CONSTRAINT = 32, 337 IEEE80211_ELEMID_POWER_CAP = 33, 338 IEEE80211_ELEMID_TPC_REQUEST = 34, 339 IEEE80211_ELEMID_TPC_REPORT = 35, 340 IEEE80211_ELEMID_SUPP_CHNLS = 35, 341 IEEE80211_ELEMID_CSA = 37, /* 11h */ 342 IEEE80211_ELEMID_MEASUREMENT_REQUEST = 38, /* DFS */ 343 IEEE80211_ELEMID_MEASUREMENT_REPORT = 39, /* DFS */ 344 IEEE80211_ELEMID_QUIET = 40, 345 IEEE80211_ELEMID_IBSS_DFS = 41, 346 IEEE80211_ELEMID_ERP = 42, 347 IEEE80211_ELEMID_TS_DELAY = 43, 348 IEEE80211_ELEMID_TCLAS = 44, 349 IEEE80211_ELEMID_HTCAPS = 45, /* 11n */ 350 IEEE80211_ELEMID_QOS_CAP = 46, 351 /* 47 reserved */ 352 IEEE80211_ELEMID_RSN = 48, 353 /* 49 reserved */ 354 IEEE80211_ELEMID_XRATES = 50, 355 IEEE80211_ELEMID_AP_CHNL_REPORT = 51, 356 IEEE80211_ELEMID_NBR_REPORT = 52, 357 IEEE80211_ELEMID_RCPI = 53, 358 IEEE80211_ELEMID_MDE = 54, 359 IEEE80211_ELEMID_FTE = 55, 360 IEEE80211_ELEMID_TIE = 56, /* 11r */ 361 IEEE80211_ELEMID_RDE = 57, 362 IEEE80211_ELEMID_DSE = 58, 363 IEEE80211_ELEMID_SUPP_OPCLASS = 59, 364 IEEE80211_ELEMID_XCSA = 60, 365 IEEE80211_ELEMID_HTOP = 61, /* 11n */ 366 IEEE80211_ELEMID_SECONDARY_CHANL_OFFSET = 62, /* 11n */ 367 IEEE80211_ELEMID_AVG_ACCESS_DELAY = 63, 368 IEEE80211_ELEMID_ANTENNA = 64, 369 IEEE80211_ELEMID_RSNI = 65, 370 IEEE80211_ELEMID_MEASUREMENT_PILOT_TX = 66, 371 IEEE80211_ELEMID_AVAIL_CAPACITY = 67, 372 IEEE80211_ELEMID_AC_ACCESS_DELAY = 68, 373 IEEE80211_ELEMID_TIME_ADVERT = 69, 374 IEEE80211_ELEMID_RM = 70, 375 IEEE80211_ELEMID_MULTI_BSSID = 71, 376 IEEE80211_ELEMID_20_40_CBW_COEX = 72, /* 11n */ 377 IEEE80211_ELEMID_20_40_CBW_INTOLERANT = 73, /* 11n */ 378 IEEE80211_ELEMID_SCAN_PARAM_OVERLAP = 74, 379 IEEE80211_ELEMID_RIC = 75, 380 IEEE80211_ELEMID_MMIE = 76, /* 11w */ 381 IEEE80211_ELEMID_EVENT_REQUEST = 78, 382 IEEE80211_ELEMID_EVENT_REPORT = 79, 383 IEEE80211_ELEMID_DIAG_REQUEST = 80, 384 IEEE80211_ELEMID_DIAG_REPORT = 81, 385 IEEE80211_ELEMID_LOCATION_PARMS = 82, 386 IEEE80211_ELEMID_NONTX_BSSID = 83, 387 IEEE80211_ELEMID_SSID_LIST = 84, 388 IEEE80211_ELEMID_MULTI_BSSID_IDX = 85, 389 IEEE80211_ELEMID_FMS_DESC = 86, 390 IEEE80211_ELEMID_FMS_REQUEST = 87, 391 IEEE80211_ELEMID_FMS_RESPONSE = 88, 392 IEEE80211_ELEMID_QOS_TRAFFIC_CAP = 89, 393 IEEE80211_ELEMID_MAX_IDLE_PERIOD = 90, 394 IEEE80211_ELEMID_TFS_REQUEST = 91, 395 IEEE80211_ELEMID_TFS_RESPONSE = 92, 396 IEEE80211_ELEMID_WNM_SLEEP = 93, 397 IEEE80211_ELEMID_TIM_BCAST_REQUEST = 94, 398 IEEE80211_ELEMID_TIM_BCAST_RESPONSE = 95, 399 IEEE80211_ELEMID_INTERFERENCE_REPORT = 96, 400 IEEE80211_ELEMID_CHNL_USAGE = 97, 401 IEEE80211_ELEMID_TIME_ZONE = 98, 402 IEEE80211_ELEMID_DMS_REQUEST = 99, 403 IEEE80211_ELEMID_DMS_RESPONSE = 100, 404 IEEE80211_ELEMID_LINK_ID = 101, 405 IEEE80211_ELEMID_WAKE_SCHED = 102, 406 /* 103 undefined */ 407 IEEE80211_ELEMID_CHNL_SWITCH_TIMING = 104, 408 IEEE80211_ELEMID_PTI_CTRL = 105, 409 IEEE80211_ELEMID_TPU_BUF_STATUS = 106, 410 IEEE80211_ELEMID_INTERWORKING = 107, 411 IEEE80211_ELEMID_ADVERT_PROTOCOL = 108, 412 IEEE80211_ELEMID_EXPEDITED_BW_REQUEST = 109, 413 IEEE80211_ELEMID_QOS_MAP_SET = 110, 414 IEEE80211_ELEMID_ROAMING_CONSORTIUM = 111, 415 IEEE80211_ELEMID_EMERGENCY_ALERT_ID = 112, 416 IEEE80211_ELEMID_MESHCONF = 113, 417 IEEE80211_ELEMID_MESHID = 114, 418 IEEE80211_ELEMID_MESHLINK = 115, 419 IEEE80211_ELEMID_MESHCNGST = 116, 420 IEEE80211_ELEMID_MESHPEER = 117, 421 IEEE80211_ELEMID_MESHCSA = 118, 422 IEEE80211_ELEMID_MESHAWAKEW = 119, 423 IEEE80211_ELEMID_MESHBEACONT = 120, 424 IEEE80211_ELEMID_MCCAOP_SETUP_REQUEST = 121, 425 IEEE80211_ELEMID_MCCAOP_SETUP_REPLY = 122, 426 IEEE80211_ELEMID_MCCAOP_ADVERT = 123, 427 IEEE80211_ELEMID_MCCAOP_TEARDOWN = 124, 428 IEEE80211_ELEMID_MESHGANN = 125, 429 IEEE80211_ELEMID_MESHRANN = 126, 430 IEEE80211_ELEMID_XCAPS = 127, 431 /* 128-129 reserved */ 432 IEEE80211_ELEMID_MESHPREQ = 130, 433 IEEE80211_ELEMID_MESHPREP = 131, 434 IEEE80211_ELEMID_MESHPERR = 132, 435 /* 133-136 reserved */ 436 IEEE80211_ELEMID_MESHPXU = 137, 437 IEEE80211_ELEMID_MESHPXUC = 138, 438 IEEE80211_ELEMID_AUTH_MESH_PEERING_XCHG = 139, 439 IEEE80211_ELEMID_MIC = 140, 440 IEEE80211_ELEMID_DEST_URI = 141, 441 IEEE80211_ELEMID_U_APSD_COEX = 142, 442 /* 143-174 reserved */ 443 IEEE80211_ELEMID_MCCAOP_ADVERT_OVIEW = 174, 444 /* 175-220 reserved */ 445 IEEE80211_ELEMID_VENDOR = 221 /* vendor private */ 446 /* 222-255 reserved */ 447 }; 448 449 /* 450 * Action field category values (see 802.11-2012 8.4.1.11 Table 8-38). 451 */ 452 enum { 453 IEEE80211_CATEG_SPECTRUM = 0, 454 IEEE80211_CATEG_QOS = 1, 455 IEEE80211_CATEG_DLS = 2, 456 IEEE80211_CATEG_BA = 3, 457 IEEE80211_CATEG_PUB = 4, 458 IEEE80211_CATEG_RADIO_MSRMNT = 5, 459 IEEE80211_CATEG_FAST_BSS_TRANS = 6, 460 IEEE80211_CATEG_HT = 7, /* 11n */ 461 IEEE80211_CATEG_SA_QUERY = 8, /* 11w */ 462 IEEE80211_CATEG_PROT_DUAL_PUBLIC_ACTION = 9, 463 IEEE80211_CATEG_WNM = 10, 464 IEEE80211_CATEG_UNPROT_WNM = 11, 465 IEEE80211_CATEG_TDLS = 12, 466 IEEE80211_CATEG_MESH = 13, 467 IEEE80211_CATEG_MULTIHOP = 14, 468 IEEE80211_CATEG_SELF_PROT = 15, 469 /* 16-125 reserved */ 470 IEEE80211_CATEG_PROT_VENDOR = 126, 471 IEEE80211_CATEG_VENDOR = 127 472 /* 128-255 error */ 473 }; 474 475 /* 476 * Block Ack Action field values (see 802.11-2012 8.5.5 Table 8-202). 477 */ 478 #define IEEE80211_ACTION_ADDBA_REQ 0 479 #define IEEE80211_ACTION_ADDBA_RESP 1 480 #define IEEE80211_ACTION_DELBA 2 481 /* 3-255 reserved */ 482 483 /* 484 * SA Query Action field values (see 802.11-2012 8.5.10 Table 8-227). 485 */ 486 #define IEEE80211_ACTION_SA_QUERY_REQ 0 487 #define IEEE80211_ACTION_SA_QUERY_RESP 1 488 489 /* 490 * HT Action field values (see 802.11-2012 8.5.12 Table 8-229). 491 */ 492 #define IEEE80211_ACTION_NOTIFYCW 0 493 #define IEEE80211_ACTION_SM_PWRSAVE 1 494 #define IEEE80211_ACTION_PSMP 2 495 #define IEEE80211_ACTION_SET_PCO_PHASE 3 496 #define IEEE80211_ACTION_CSI 4 497 #define IEEE80211_ACTION_NONCOMPRESSED_BF 5 498 #define IEEE80211_ACTION_COMPRESSED_BF 6 499 #define IEEE80211_ACTION_ASEL_IDX_FEEDBACK 7 500 /* 8-255 reserved */ 501 502 #define IEEE80211_RATE_BASIC 0x80 503 #define IEEE80211_RATE_VAL 0x7f 504 #define IEEE80211_RATE_SIZE 8 /* 802.11 standard */ 505 #define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */ 506 507 #define IEEE80211_HT_NUM_MCS 77 508 509 /* 510 * BlockAck/BlockAckReq Control field (see 802.11-2012 8.3.1.9 Figure 8-25). 511 */ 512 #define IEEE80211_BA_ACK_POLICY 0x0001 513 #define IEEE80211_BA_MULTI_TID 0x0002 514 #define IEEE80211_BA_COMPRESSED 0x0004 515 #define IEEE80211_BA_TID_INFO_MASK 0xf000 516 #define IEEE80211_BA_TID_INFO_SHIFT 12 517 518 /* 519 * ADDBA Parameter Set field (see 802.11-2012 8.4.1.14 Figure 8-48). 520 */ 521 #define IEEE80211_ADDBA_AMSDU 0x0001 /* A-MSDU in A-MPDU supported */ 522 #define IEEE80211_ADDBA_BA_POLICY 0x0002 /* 1=immediate BA 0=delayed BA */ 523 #define IEEE80211_ADDBA_TID_MASK 0x003c 524 #define IEEE80211_ADDBA_TID_SHIFT 2 525 #define IEEE80211_ADDBA_BUFSZ_MASK 0xffc0 526 #define IEEE80211_ADDBA_BUFSZ_SHIFT 6 527 528 /* 529 * DELBA Parameter Set field (see 802.11-2012 8.4.1.16 Figure 8-50). 530 */ 531 #define IEEE80211_DELBA_INITIATOR 0x0800 532 #define IEEE80211_DELBA_TID_INFO_MASK 0xf000 533 #define IEEE80211_DELBA_TID_INFO_SHIFT 12 534 535 /* 536 * ERP information element parameters (see 802.11-2012 8.4.2.14 Figure 8-95). 537 */ 538 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 539 #define IEEE80211_ERP_USE_PROTECTION 0x02 540 #define IEEE80211_ERP_BARKER_MODE 0x04 541 542 /* 543 * RSN capabilities (see 802.11-2012 8.4.2.27.4). 544 */ 545 #define IEEE80211_RSNCAP_PREAUTH 0x0001 546 #define IEEE80211_RSNCAP_NOPAIRWISE 0x0002 547 #define IEEE80211_RSNCAP_PTKSA_RCNT_MASK 0x000c 548 #define IEEE80211_RSNCAP_PTKSA_RCNT_SHIFT 2 549 #define IEEE80211_RSNCAP_GTKSA_RCNT_MASK 0x0030 550 #define IEEE80211_RSNCAP_GTKSA_RCNT_SHIFT 4 551 #define IEEE80211_RSNCAP_RCNT1 0 552 #define IEEE80211_RSNCAP_RCNT2 1 553 #define IEEE80211_RSNCAP_RCNT4 2 554 #define IEEE80211_RSNCAP_RCNT16 3 555 #define IEEE80211_RSNCAP_MFPR 0x0040 /* 11w */ 556 #define IEEE80211_RSNCAP_MFPC 0x0080 /* 11w */ 557 #define IEEE80211_RSNCAP_PEERKEYENA 0x0200 558 #define IEEE80211_RSNCAP_SPPAMSDUC 0x0400 /* 11n */ 559 #define IEEE80211_RSNCAP_SPPAMSDUR 0x0800 /* 11n */ 560 #define IEEE80211_RSNCAP_PBAC 0x1000 /* 11n */ 561 #define IEEE80211_RSNCAP_EXTENDED_KEYID 0x2000 562 563 /* 564 * HT Capabilities Info (see 802.11-2012 8.4.2.58.2). 565 */ 566 #define IEEE80211_HTCAP_LDPC 0x00000001 567 #define IEEE80211_HTCAP_CBW20_40 0x00000002 568 #define IEEE80211_HTCAP_SMPS_MASK 0x0000000c 569 #define IEEE80211_HTCAP_SMPS_SHIFT 2 570 #define IEEE80211_HTCAP_SMPS_STA 0 571 #define IEEE80211_HTCAP_SMPS_DYN 1 572 #define IEEE80211_HTCAP_SMPS_DIS 3 573 #define IEEE80211_HTCAP_GF 0x00000010 574 #define IEEE80211_HTCAP_SGI20 0x00000020 575 #define IEEE80211_HTCAP_SGI40 0x00000040 576 #define IEEE80211_HTCAP_TXSTBC 0x00000080 577 #define IEEE80211_HTCAP_RXSTBC_MASK 0x00000300 578 #define IEEE80211_HTCAP_RXSTBC_SHIFT 8 579 #define IEEE80211_HTCAP_DELAYEDBA 0x00000400 580 #define IEEE80211_HTCAP_AMSDU7935 0x00000800 581 #define IEEE80211_HTCAP_DSSSCCK40 0x00001000 582 #define IEEE80211_HTCAP_PSMP 0x00002000 583 #define IEEE80211_HTCAP_40INTOLERANT 0x00004000 584 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x00008000 585 586 /* 587 * HT A-MPDU parameters (see 802.11-2012 8.4.2.58.3). 588 */ 589 #define IEEE80211_AMPDU_PARAM_LE 0x03 590 #define IEEE80211_AMPDU_PARAM_SS 0x1c 591 #define IEEE80211_AMPDU_PARAM_SS_NONE (0 << 2) 592 #define IEEE80211_AMPDU_PARAM_SS_0_25 (1 << 2) 593 #define IEEE80211_AMPDU_PARAM_SS_0_5 (2 << 2) 594 #define IEEE80211_AMPDU_PARAM_SS_1 (3 << 2) 595 #define IEEE80211_AMPDU_PARAM_SS_2 (4 << 2) 596 #define IEEE80211_AMPDU_PARAM_SS_4 (5 << 2) 597 #define IEEE80211_AMPDU_PARAM_SS_8 (6 << 2) 598 #define IEEE80211_AMPDU_PARAM_SS_16 (7 << 2) 599 /* bits 5-7 reserved */ 600 601 /* 602 * HT Supported MCS Set (see 802.11-2012 8.4.2.58.4). 603 * This field is 16 bytes in size. Bitmasks given below 604 * operate on 8 or 16 bit integer subsets of this field 605 * for use with ieee80211com and ieee80211_node. 606 */ 607 /* Bits 0-76: Supported Rx MCS bitmask */ 608 /* Bits 77-79: Reserved */ 609 /* Bits 80-89: Highest Rx rate in units of 1MB/s */ 610 #define IEEE80211_MCS_RX_RATE_HIGH 0x03ff 611 /* Bits 90-95: Reserved */ 612 /* Bits 96-100: Tx MCS set */ 613 #define IEEE80211_TX_MCS_SET_DEFINED 0x01 614 #define IEEE80211_TX_RX_MCS_NOT_EQUAL 0x02 615 #define IEEE80211_TX_SPATIAL_STREAMS 0x18 616 #define IEEE80211_TX_UNEQUAL_MODULATION 0x20 617 /* Bits 101-127: Reserved */ 618 619 /* 620 * HT Extended Capabilities (see 802.11-2012 8.4.2.58.5). 621 */ 622 #define IEEE80211_HTXCAP_PCO 0x0001 623 #define IEEE80211_HTXCAP_PCOTT_MASK 0x0006 624 #define IEEE80211_HTXCAP_PCOTT_SHIFT 1 625 #define IEEE80211_HTXCAP_PCOTT_400 1 626 #define IEEE80211_HTXCAP_PCOTT_1500 2 627 #define IEEE80211_HTXCAP_PCOTT_5000 3 628 /* Bits 3-7 are reserved. */ 629 #define IEEE80211_HTXCAP_MFB_MASK 0x0300 630 #define IEEE80211_HTXCAP_MFB_SHIFT 8 631 #define IEEE80211_HTXCAP_MFB_NONE 0 632 #define IEEE80211_HTXCAP_MFB_UNSOL 2 633 #define IEEE80211_HTXCAP_MFB_BOTH 3 634 #define IEEE80211_HTXCAP_HTC 0x0400 635 #define IEEE80211_HTXCAP_RDRESP 0x0800 636 /* Bits 12-15 are reserved. */ 637 638 /* 639 * Transmit Beamforming (TxBF) Capabilities (see 802.11-2012 8.4.2.58.6). 640 */ 641 #define IEEE80211_TXBFCAP_IMPLICIT_RX 0x00000001 642 #define IEEE80211_TXBFCAP_RSSC 0x00000002 643 #define IEEE80211_TXBFCAP_TSSC 0x00000004 644 #define IEEE80211_TXBFCAP_RNDP 0x00000008 645 #define IEEE80211_TXBFCAP_TNDP 0x00000010 646 #define IEEE80211_TXBFCAP_IMPLICIT_TX 0x00000020 647 #define IEEE80211_TXBFCAP_CALIB_MASK 0x000000c0 648 #define IEEE80211_TXBFCAP_CALIB_SHIFT 6 649 #define IEEE80211_TXBFCAP_TX_CSI 0x00000100 650 #define IEEE80211_TXBFCAP_EXPLICIT_NSC 0x00000200 651 #define IEEE80211_TXBFCAP_EXPLICIT_CSC 0x00000400 652 #define IEEE80211_TXBFCAP_CSI_FB_DELAYED 0x00000800 653 #define IEEE80211_TXBFCAP_CSI_FB_IMMEDIATE 0x00001000 654 #define IEEE80211_TXBFCAP_EXPLICIT_NB_FB_DELAYED 0x00002000 655 #define IEEE80211_TXBFCAP_EXPLICIT_NB_FB_IMMEDIATE 0x00004000 656 #define IEEE80211_TXBFCAP_EXPLICIT_CB_FB_DELAYED 0x00008000 657 #define IEEE80211_TXBFCAP_EXPLICIT_CB_FB_IMMEDIATE 0x00010000 658 #define IEEE80211_TXBFCAP_MINIMAL_GROUPING_1_2 0x00020000 659 #define IEEE80211_TXBFCAP_MINIMAL_GROUPING_1_4 0x00040000 660 #define IEEE80211_TXBFCAP_CSI_NUM_ANT_MASK 0x00180000 661 #define IEEE80211_TXBFCAP_CSI_NUM_ANT_SHIFT 19 662 #define IEEE80211_TXBFCAP_NS_NUM_ANT_MASK 0x00600000 663 #define IEEE80211_TXBFCAP_NS_NUM_ANT_SHIFT 21 664 #define IEEE80211_TXBFCAP_CS_NUM_ANT_MASK 0x01800000 665 #define IEEE80211_TXBFCAP_CS_NUM_ANT_SHIFT 23 666 #define IEEE80211_TXBFCAP_CSI_NUM_ROWS_MASK 0x06000000 667 #define IEEE80211_TXBFCAP_CSI_NUM_ROWS_SHIFT 25 668 #define IEEE80211_TXBFCAP_CHANL_ESTIMATE_MASK 0x18000000 669 #define IEEE80211_TXBFCAP_CHANL_ESTIMATE_SHIFT 27 670 671 /* 672 * Antenna Selection (ASEL) Capability (see 802.11-2012 8.4.2.58.7). 673 */ 674 #define IEEE80211_ASELCAP_ASEL 0x01 675 #define IEEE80211_ASELCAP_CSIFB_TX 0x02 676 #define IEEE80211_ASELCAP_ANT_IDX_FB_TX 0x04 677 #define IEEE80211_ASELCAP_CSIFB 0x08 678 #define IEEE80211_ASELCAP_ANT_IDX_FB 0x10 679 #define IEEE80211_ASELCAP_ASEL_RX 0x20 680 #define IEEE80211_ASELCAP_TX_SOUND_PPDU 0x20 681 /* Bit 7 is reserved. */ 682 683 /* 684 * HT Operation element (see 802.11-2012 8.4.2.59). 685 */ 686 /* Byte 0 contains primary channel number. */ 687 /* Byte 1. */ 688 #define IEEE80211_HTOP0_SCO_MASK 0x03 689 #define IEEE80211_HTOP0_SCO_SHIFT 0 690 #define IEEE80211_HTOP0_SCO_SCN 0 691 #define IEEE80211_HTOP0_SCO_SCA 1 692 #define IEEE80211_HTOP0_SCO_SCB 3 693 #define IEEE80211_HTOP0_CHW 0x04 694 #define IEEE80211_HTOP0_RIFS 0x08 695 /* bits 4-7 reserved */ 696 /* Bytes 2-3. */ 697 #define IEEE80211_HTOP1_PROT_MASK 0x0003 698 #define IEEE80211_HTOP1_PROT_SHIFT 0 699 #define IEEE80211_HTOP1_NONGF_STA 0x0004 700 /* Bit 3 is reserved. */ 701 #define IEEE80211_HTOP1_OBSS_NONHT_STA 0x0010 702 /* Bits 5-15 are reserved. */ 703 /* Bytes 4-5. */ 704 /* Bits 0-5 are reserved. */ 705 #define IEEE80211_HTOP2_DUALBEACON 0x0040 706 #define IEEE80211_HTOP2_DUALCTSPROT 0x0080 707 #define IEEE80211_HTOP2_STBCBEACON 0x0100 708 #define IEEE80211_HTOP2_LSIGTXOP 0x0200 709 #define IEEE80211_HTOP2_PCOACTIVE 0x0400 710 #define IEEE80211_HTOP2_PCOPHASE40 0x0800 711 /* Bits 12-15 are reserved. */ 712 713 /* 714 * EDCA Access Categories. 715 */ 716 enum ieee80211_edca_ac { 717 EDCA_AC_BK = 1, /* Background */ 718 EDCA_AC_BE = 0, /* Best Effort */ 719 EDCA_AC_VI = 2, /* Video */ 720 EDCA_AC_VO = 3 /* Voice */ 721 }; 722 #define EDCA_NUM_AC 4 723 724 /* number of TID values (traffic identifier) */ 725 #define IEEE80211_NUM_TID 16 726 727 /* Atheros private advanced capabilities info */ 728 #define ATHEROS_CAP_TURBO_PRIME 0x01 729 #define ATHEROS_CAP_COMPRESSION 0x02 730 #define ATHEROS_CAP_FAST_FRAME 0x04 731 /* bits 3-6 reserved */ 732 #define ATHEROS_CAP_BOOST 0x80 733 734 /*- 735 * Organizationally Unique Identifiers. 736 * See http://standards.ieee.org/regauth/oui/oui.txt for a list. 737 */ 738 #define ATHEROS_OUI ((const u_int8_t[]){ 0x00, 0x03, 0x7f }) 739 #define BROADCOM_OUI ((const u_int8_t[]){ 0x00, 0x90, 0x4c }) 740 #define IEEE80211_OUI ((const u_int8_t[]){ 0x00, 0x0f, 0xac }) 741 #define MICROSOFT_OUI ((const u_int8_t[]){ 0x00, 0x50, 0xf2 }) 742 743 #define IEEE80211_AUTH_ALGORITHM(auth) \ 744 ((auth)[0] | ((auth)[1] << 8)) 745 #define IEEE80211_AUTH_TRANSACTION(auth) \ 746 ((auth)[2] | ((auth)[3] << 8)) 747 #define IEEE80211_AUTH_STATUS(auth) \ 748 ((auth)[4] | ((auth)[5] << 8)) 749 750 /* 751 * Authentication Algorithm Number field (see 7.3.1.1). 752 */ 753 #define IEEE80211_AUTH_ALG_OPEN 0x0000 754 #define IEEE80211_AUTH_ALG_SHARED 0x0001 755 #define IEEE80211_AUTH_ALG_LEAP 0x0080 756 757 /* 758 * Authentication Transaction Sequence Number field (see 7.3.1.2). 759 */ 760 enum { 761 IEEE80211_AUTH_OPEN_REQUEST = 1, 762 IEEE80211_AUTH_OPEN_RESPONSE = 2 763 }; 764 enum { 765 IEEE80211_AUTH_SHARED_REQUEST = 1, 766 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 767 IEEE80211_AUTH_SHARED_RESPONSE = 3, 768 IEEE80211_AUTH_SHARED_PASS = 4 769 }; 770 771 /* 772 * Reason codes (see Table 22). 773 */ 774 enum { 775 IEEE80211_REASON_UNSPECIFIED = 1, 776 IEEE80211_REASON_AUTH_EXPIRE = 2, 777 IEEE80211_REASON_AUTH_LEAVE = 3, 778 IEEE80211_REASON_ASSOC_EXPIRE = 4, 779 IEEE80211_REASON_ASSOC_TOOMANY = 5, 780 IEEE80211_REASON_NOT_AUTHED = 6, 781 IEEE80211_REASON_NOT_ASSOCED = 7, 782 IEEE80211_REASON_ASSOC_LEAVE = 8, 783 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 784 785 /* XXX the following two reason codes are not correct */ 786 IEEE80211_REASON_RSN_REQUIRED = 11, 787 IEEE80211_REASON_RSN_INCONSISTENT = 12, 788 789 IEEE80211_REASON_IE_INVALID = 13, 790 IEEE80211_REASON_MIC_FAILURE = 14, 791 IEEE80211_REASON_4WAY_TIMEOUT = 15, 792 IEEE80211_REASON_GROUP_TIMEOUT = 16, 793 IEEE80211_REASON_RSN_DIFFERENT_IE = 17, 794 IEEE80211_REASON_BAD_GROUP_CIPHER = 18, 795 IEEE80211_REASON_BAD_PAIRWISE_CIPHER = 19, 796 IEEE80211_REASON_BAD_AKMP = 20, 797 IEEE80211_REASON_RSN_IE_VER_UNSUP = 21, 798 IEEE80211_REASON_RSN_IE_BAD_CAP = 22, 799 800 IEEE80211_REASON_CIPHER_REJ_POLICY = 24, 801 802 IEEE80211_REASON_SETUP_REQUIRED = 38, 803 IEEE80211_REASON_TIMEOUT = 39 804 }; 805 806 /* 807 * Status codes (see Table 23). 808 */ 809 enum { 810 IEEE80211_STATUS_SUCCESS = 0, 811 IEEE80211_STATUS_UNSPECIFIED = 1, 812 IEEE80211_STATUS_CAPINFO = 10, 813 IEEE80211_STATUS_NOT_ASSOCED = 11, 814 IEEE80211_STATUS_OTHER = 12, 815 IEEE80211_STATUS_ALG = 13, 816 IEEE80211_STATUS_SEQUENCE = 14, 817 IEEE80211_STATUS_CHALLENGE = 15, 818 IEEE80211_STATUS_TIMEOUT = 16, 819 IEEE80211_STATUS_TOOMANY = 17, 820 IEEE80211_STATUS_BASIC_RATE = 18, 821 IEEE80211_STATUS_SP_REQUIRED = 19, 822 IEEE80211_STATUS_PBCC_REQUIRED = 20, 823 IEEE80211_STATUS_CA_REQUIRED = 21, 824 IEEE80211_STATUS_TOO_MANY_STATIONS = 22, 825 IEEE80211_STATUS_RATES = 23, 826 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, 827 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, 828 829 IEEE80211_STATUS_TRY_AGAIN_LATER = 30, 830 IEEE80211_STATUS_MFP_POLICY = 31, 831 832 IEEE80211_STATUS_REFUSED = 37, 833 IEEE80211_STATUS_INVALID_PARAM = 38, 834 835 IEEE80211_STATUS_IE_INVALID = 40, 836 IEEE80211_STATUS_BAD_GROUP_CIPHER = 41, 837 IEEE80211_STATUS_BAD_PAIRWISE_CIPHER = 42, 838 IEEE80211_STATUS_BAD_AKMP = 43, 839 IEEE80211_STATUS_RSN_IE_VER_UNSUP = 44, 840 841 IEEE80211_STATUS_CIPHER_REJ_POLICY = 46 842 }; 843 844 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 845 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 846 #define IEEE80211_CHALLENGE_LEN 128 847 848 /* WEP header constants */ 849 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 850 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 851 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 852 #define IEEE80211_CRC_LEN 4 853 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 854 IEEE80211_WEP_KIDLEN + \ 855 IEEE80211_WEP_CRCLEN) 856 857 /* 858 * 802.11i defines an extended IV for use with non-WEP ciphers. 859 * When the EXTIV bit is set in the key id byte an additional 860 * 4 bytes immediately follow the IV for TKIP. For CCMP the 861 * EXTIV bit is likewise set but the 8 bytes represent the 862 * CCMP header rather than IV+extended-IV. 863 */ 864 #define IEEE80211_WEP_EXTIV 0x20 865 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 866 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 867 868 /* 869 * Maximum acceptable MTU is: 870 * IEEE80211_MAX_LEN - WEP overhead - CRC - 871 * QoS overhead - RSN/WPA overhead 872 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 873 * mtu is Ethernet-compatible; it's set by ether_ifattach. 874 */ 875 #define IEEE80211_MTU_MAX 2290 876 #define IEEE80211_MTU_MIN 32 877 878 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 879 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 880 #define IEEE80211_ACK_LEN \ 881 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 882 #define IEEE80211_MIN_LEN \ 883 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 884 885 /* 886 * The 802.11 spec says at most 2007 stations may be 887 * associated at once. For most AP's this is way more 888 * than is feasible so we use a default of 1800. This 889 * number may be overridden by the driver and/or by 890 * user configuration. 891 */ 892 #define IEEE80211_AID_MAX 2007 893 #define IEEE80211_AID_DEF 1800 894 #define IEEE80211_AID(b) ((b) &~ 0xc000) 895 896 /* 897 * RTS frame length parameters. The default is specified in 898 * the 802.11 spec. The max may be wrong for jumbo frames. 899 */ 900 #define IEEE80211_RTS_DEFAULT 512 901 #define IEEE80211_RTS_MIN 1 902 #define IEEE80211_RTS_MAX IEEE80211_MAX_LEN 903 904 #define IEEE80211_PLCP_SERVICE 0x00 905 #define IEEE80211_PLCP_SERVICE_PBCC 0x08 /* PBCC encoded */ 906 #define IEEE80211_PLCP_SERVICE_LENEXT 0x80 /* length extension bit */ 907 908 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 909 #define IEEE80211_DUR_TU 1024 910 911 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 912 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 913 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 914 #define IEEE80211_DUR_DS_PREAMBLE_DIFFERENCE \ 915 (IEEE80211_DUR_DS_LONG_PREAMBLE - IEEE80211_DUR_DS_SHORT_PREAMBLE) 916 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 917 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 918 #define IEEE80211_DUR_DS_PLCPHDR_DIFFERENCE \ 919 (IEEE80211_DUR_DS_SLOW_PLCPHDR - IEEE80211_DUR_DS_FAST_PLCPHDR) 920 #define IEEE80211_DUR_DS_SLOW_ACK 112 921 #define IEEE80211_DUR_DS_FAST_ACK 56 922 #define IEEE80211_DUR_DS_SLOW_CTS 112 923 #define IEEE80211_DUR_DS_FAST_CTS 56 924 #define IEEE80211_DUR_DS_SLOT 20 925 #define IEEE80211_DUR_DS_SIFS 10 926 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 927 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 928 2 * IEEE80211_DUR_DS_SLOT) 929 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 930 IEEE80211_DUR_DS_SLOW_ACK + \ 931 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 932 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 933 IEEE80211_DUR_DIFS) 934 935 /* 936 * The RSNA key descriptor used by IEEE 802.11 does not use the IEEE 802.1X 937 * key descriptor. Instead, it uses the key descriptor described in 8.5.2. 938 */ 939 #define EAPOL_KEY_NONCE_LEN 32 940 #define EAPOL_KEY_IV_LEN 16 941 #define EAPOL_KEY_MIC_LEN 16 942 943 struct ieee80211_eapol_key { 944 u_int8_t version; 945 #define EAPOL_VERSION 1 946 947 u_int8_t type; 948 /* IEEE Std 802.1X-2004, 7.5.4 (only type EAPOL-Key is used here) */ 949 #define EAP_PACKET 0 950 #define EAPOL_START 1 951 #define EAPOL_LOGOFF 2 952 #define EAPOL_KEY 3 953 #define EAPOL_ASF_ALERT 4 954 955 u_int8_t len[2]; 956 u_int8_t desc; 957 /* IEEE Std 802.1X-2004, 7.6.1 */ 958 #define EAPOL_KEY_DESC_RC4 1 /* deprecated */ 959 #define EAPOL_KEY_DESC_IEEE80211 2 960 #define EAPOL_KEY_DESC_WPA 254 /* non-standard WPA */ 961 962 u_int8_t info[2]; 963 #define EAPOL_KEY_VERSION_MASK 0x7 964 #define EAPOL_KEY_DESC_V1 1 965 #define EAPOL_KEY_DESC_V2 2 966 #define EAPOL_KEY_DESC_V3 3 /* 11r */ 967 #define EAPOL_KEY_PAIRWISE (1 << 3) 968 #define EAPOL_KEY_INSTALL (1 << 6) /* I */ 969 #define EAPOL_KEY_KEYACK (1 << 7) /* A */ 970 #define EAPOL_KEY_KEYMIC (1 << 8) /* M */ 971 #define EAPOL_KEY_SECURE (1 << 9) /* S */ 972 #define EAPOL_KEY_ERROR (1 << 10) 973 #define EAPOL_KEY_REQUEST (1 << 11) 974 #define EAPOL_KEY_ENCRYPTED (1 << 12) 975 #define EAPOL_KEY_SMK (1 << 13) 976 /* WPA compatibility */ 977 #define EAPOL_KEY_WPA_KID_MASK 0x3 978 #define EAPOL_KEY_WPA_KID_SHIFT 4 979 #define EAPOL_KEY_WPA_TX EAPOL_KEY_INSTALL 980 981 u_int8_t keylen[2]; 982 u_int8_t replaycnt[8]; 983 u_int8_t nonce[EAPOL_KEY_NONCE_LEN]; 984 u_int8_t iv[EAPOL_KEY_IV_LEN]; 985 u_int8_t rsc[8]; 986 u_int8_t reserved[8]; 987 u_int8_t mic[EAPOL_KEY_MIC_LEN]; 988 u_int8_t paylen[2]; 989 } __packed; 990 991 /* Pairwise Transient Key (see 8.5.1.2) */ 992 struct ieee80211_ptk { 993 u_int8_t kck[16]; /* Key Confirmation Key */ 994 u_int8_t kek[16]; /* Key Encryption Key */ 995 u_int8_t tk[32]; /* Temporal Key */ 996 } __packed; 997 998 #define IEEE80211_PMKID_LEN 16 999 #define IEEE80211_SMKID_LEN 16 1000 1001 /* 1002 * Key Data Encapsulation (see Table 62). 1003 */ 1004 enum { 1005 IEEE80211_KDE_GTK = 1, 1006 IEEE80211_KDE_MACADDR = 3, 1007 IEEE80211_KDE_PMKID = 4, 1008 IEEE80211_KDE_SMK = 5, 1009 IEEE80211_KDE_NONCE = 6, 1010 IEEE80211_KDE_LIFETIME = 7, 1011 IEEE80211_KDE_ERROR = 8, 1012 IEEE80211_KDE_IGTK = 9 /* 11w */ 1013 }; 1014 1015 /* 1016 * HT protection modes (see 802.11-2012 8.4.2.59) 1017 */ 1018 enum ieee80211_htprot { 1019 IEEE80211_HTPROT_NONE = 0, /* only 20/40MHz HT STAs exist */ 1020 IEEE80211_HTPROT_NONMEMBER, /* non-HT STA overlaps our channel */ 1021 IEEE80211_HTPROT_20MHZ, /* 20MHz HT STA on a 40MHz channel */ 1022 IEEE80211_HTPROT_NONHT_MIXED /* non-HT STA associated to our BSS */ 1023 }; 1024 1025 #endif /* _NET80211_IEEE80211_H_ */ 1026