1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 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 * $FreeBSD$ 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 typedef uint16_t ieee80211_seq; 40 41 /* IEEE 802.11 PLCP header */ 42 struct ieee80211_plcp_hdr { 43 uint16_t i_sfd; 44 uint8_t i_signal; 45 uint8_t i_service; 46 uint16_t i_length; 47 uint16_t i_crc; 48 } __packed; 49 50 #define IEEE80211_PLCP_SFD 0xF3A0 51 #define IEEE80211_PLCP_SERVICE 0x00 52 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04 53 #define IEEE80211_PLCL_SERVICE_PBCC 0x08 54 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 55 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 56 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 57 58 /* 59 * generic definitions for IEEE 802.11 frames 60 */ 61 struct ieee80211_frame { 62 uint8_t i_fc[2]; 63 uint8_t i_dur[2]; 64 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 65 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 66 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 67 uint8_t i_seq[2]; 68 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 69 /* see below */ 70 } __packed; 71 72 struct ieee80211_qosframe { 73 uint8_t i_fc[2]; 74 uint8_t i_dur[2]; 75 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 76 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 77 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 78 uint8_t i_seq[2]; 79 uint8_t i_qos[2]; 80 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 81 /* see below */ 82 } __packed; 83 84 struct ieee80211_qoscntl { 85 uint8_t i_qos[2]; 86 }; 87 88 struct ieee80211_frame_addr4 { 89 uint8_t i_fc[2]; 90 uint8_t i_dur[2]; 91 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 92 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 93 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 94 uint8_t i_seq[2]; 95 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 96 } __packed; 97 98 99 struct ieee80211_qosframe_addr4 { 100 uint8_t i_fc[2]; 101 uint8_t i_dur[2]; 102 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 103 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 104 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 105 uint8_t i_seq[2]; 106 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 107 uint8_t i_qos[2]; 108 } __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 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 134 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 135 /* for TYPE_CTL */ 136 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 137 #define IEEE80211_FC0_SUBTYPE_BA 0x90 138 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 139 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 140 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 141 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 142 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 143 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 144 /* for TYPE_DATA (bit combination) */ 145 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 146 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 147 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 148 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 149 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 150 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 151 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 152 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 153 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 154 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 155 156 #define IEEE80211_FC1_DIR_MASK 0x03 157 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 158 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 159 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 160 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 161 162 #define IEEE80211_IS_DSTODS(wh) \ 163 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 164 165 #define IEEE80211_FC1_MORE_FRAG 0x04 166 #define IEEE80211_FC1_RETRY 0x08 167 #define IEEE80211_FC1_PWR_MGT 0x10 168 #define IEEE80211_FC1_MORE_DATA 0x20 169 #define IEEE80211_FC1_WEP 0x40 170 #define IEEE80211_FC1_ORDER 0x80 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 #define IEEE80211_SEQ_RANGE 4096 177 178 #define IEEE80211_SEQ_ADD(seq, incr) \ 179 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 180 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 181 #define IEEE80211_SEQ_SUB(a, b) \ 182 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 183 184 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 185 #define IEEE80211_SEQ_BA_BEFORE(a, b) \ 186 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 187 188 #define IEEE80211_NWID_LEN 32 189 #define IEEE80211_MESHID_LEN 32 190 191 #define IEEE80211_QOS_TXOP 0x00ff 192 /* bit 8 is reserved */ 193 #define IEEE80211_QOS_AMSDU 0x80 194 #define IEEE80211_QOS_AMSDU_S 7 195 #define IEEE80211_QOS_ACKPOLICY 0x60 196 #define IEEE80211_QOS_ACKPOLICY_S 5 197 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 198 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 199 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 200 #define IEEE80211_QOS_EOSP_S 4 201 #define IEEE80211_QOS_TID 0x0f 202 203 /* does frame have QoS sequence control data */ 204 #define IEEE80211_QOS_HAS_SEQ(wh) \ 205 (((wh)->i_fc[0] & \ 206 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 207 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 208 209 /* 210 * WME/802.11e information element. 211 */ 212 struct ieee80211_wme_info { 213 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 214 uint8_t wme_len; /* length in bytes */ 215 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 216 uint8_t wme_type; /* OUI type */ 217 uint8_t wme_subtype; /* OUI subtype */ 218 uint8_t wme_version; /* spec revision */ 219 uint8_t wme_info; /* QoS info */ 220 } __packed; 221 222 /* 223 * WME/802.11e Tspec Element 224 */ 225 struct ieee80211_wme_tspec { 226 uint8_t ts_id; 227 uint8_t ts_len; 228 uint8_t ts_oui[3]; 229 uint8_t ts_oui_type; 230 uint8_t ts_oui_subtype; 231 uint8_t ts_version; 232 uint8_t ts_tsinfo[3]; 233 uint8_t ts_nom_msdu[2]; 234 uint8_t ts_max_msdu[2]; 235 uint8_t ts_min_svc[4]; 236 uint8_t ts_max_svc[4]; 237 uint8_t ts_inactv_intv[4]; 238 uint8_t ts_susp_intv[4]; 239 uint8_t ts_start_svc[4]; 240 uint8_t ts_min_rate[4]; 241 uint8_t ts_mean_rate[4]; 242 uint8_t ts_max_burst[4]; 243 uint8_t ts_min_phy[4]; 244 uint8_t ts_peak_rate[4]; 245 uint8_t ts_delay[4]; 246 uint8_t ts_surplus[2]; 247 uint8_t ts_medium_time[2]; 248 } __packed; 249 250 /* 251 * WME AC parameter field 252 */ 253 struct ieee80211_wme_acparams { 254 uint8_t acp_aci_aifsn; 255 uint8_t acp_logcwminmax; 256 uint16_t acp_txop; 257 } __packed; 258 259 #define WME_NUM_AC 4 /* 4 AC categories */ 260 #define WME_NUM_TID 16 /* 16 tids */ 261 262 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 263 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 264 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 265 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 266 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 267 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 268 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 269 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 270 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 271 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 272 273 #define WME_AC_TO_TID(_ac) ( \ 274 ((_ac) == WME_AC_VO) ? 6 : \ 275 ((_ac) == WME_AC_VI) ? 5 : \ 276 ((_ac) == WME_AC_BK) ? 1 : \ 277 0) 278 279 #define TID_TO_WME_AC(_tid) ( \ 280 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 281 ((_tid) < 3) ? WME_AC_BK : \ 282 ((_tid) < 6) ? WME_AC_VI : \ 283 WME_AC_VO) 284 285 /* 286 * WME Parameter Element 287 */ 288 struct ieee80211_wme_param { 289 uint8_t param_id; 290 uint8_t param_len; 291 uint8_t param_oui[3]; 292 uint8_t param_oui_type; 293 uint8_t param_oui_subtype; 294 uint8_t param_version; 295 uint8_t param_qosInfo; 296 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 297 uint8_t param_reserved; 298 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 299 } __packed; 300 301 /* 302 * Management Notification Frame 303 */ 304 struct ieee80211_mnf { 305 uint8_t mnf_category; 306 uint8_t mnf_action; 307 uint8_t mnf_dialog; 308 uint8_t mnf_status; 309 } __packed; 310 #define MNF_SETUP_REQ 0 311 #define MNF_SETUP_RESP 1 312 #define MNF_TEARDOWN 2 313 314 /* 315 * 802.11n Management Action Frames 316 */ 317 /* generic frame format */ 318 struct ieee80211_action { 319 uint8_t ia_category; 320 uint8_t ia_action; 321 } __packed; 322 323 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 324 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 325 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 326 #define IEEE80211_ACTION_CAT_BA 3 /* BA */ 327 #define IEEE80211_ACTION_CAT_HT 7 /* HT */ 328 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 329 330 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 331 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 332 333 /* HT - recommended transmission channel width */ 334 struct ieee80211_action_ht_txchwidth { 335 struct ieee80211_action at_header; 336 uint8_t at_chwidth; 337 } __packed; 338 339 #define IEEE80211_A_HT_TXCHWIDTH_20 0 340 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 341 342 /* HT - MIMO Power Save (NB: D2.04) */ 343 struct ieee80211_action_ht_mimopowersave { 344 struct ieee80211_action am_header; 345 uint8_t am_control; 346 } __packed; 347 348 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 349 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 350 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 351 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 352 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 353 /* bits 2-7 reserved */ 354 355 /* Block Ack actions */ 356 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 357 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 358 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 359 360 /* Block Ack Parameter Set */ 361 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 362 #define IEEE80211_BAPS_BUFSIZ_S 6 363 #define IEEE80211_BAPS_TID 0x003c /* TID */ 364 #define IEEE80211_BAPS_TID_S 2 365 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 366 #define IEEE80211_BAPS_POLICY_S 1 367 368 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 369 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 370 371 /* Block Ack Sequence Control */ 372 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 373 #define IEEE80211_BASEQ_START_S 4 374 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 375 #define IEEE80211_BASEQ_FRAG_S 0 376 377 /* Delayed Block Ack Parameter Set */ 378 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 379 #define IEEE80211_DELBAPS_TID_S 12 380 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 381 #define IEEE80211_DELBAPS_INIT_S 11 382 383 /* BA - ADDBA request */ 384 struct ieee80211_action_ba_addbarequest { 385 struct ieee80211_action rq_header; 386 uint8_t rq_dialogtoken; 387 uint16_t rq_baparamset; 388 uint16_t rq_batimeout; /* in TUs */ 389 uint16_t rq_baseqctl; 390 } __packed; 391 392 /* BA - ADDBA response */ 393 struct ieee80211_action_ba_addbaresponse { 394 struct ieee80211_action rs_header; 395 uint8_t rs_dialogtoken; 396 uint16_t rs_statuscode; 397 uint16_t rs_baparamset; 398 uint16_t rs_batimeout; /* in TUs */ 399 } __packed; 400 401 /* BA - DELBA */ 402 struct ieee80211_action_ba_delba { 403 struct ieee80211_action dl_header; 404 uint16_t dl_baparamset; 405 uint16_t dl_reasoncode; 406 } __packed; 407 408 /* BAR Control */ 409 #define IEEE80211_BAR_TID 0xf000 /* TID */ 410 #define IEEE80211_BAR_TID_S 12 411 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 412 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 413 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 414 415 /* BAR Starting Sequence Control */ 416 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 417 #define IEEE80211_BAR_SEQ_START_S 4 418 419 struct ieee80211_ba_request { 420 uint16_t rq_barctl; 421 uint16_t rq_barseqctl; 422 } __packed; 423 424 /* 425 * Control frames. 426 */ 427 struct ieee80211_frame_min { 428 uint8_t i_fc[2]; 429 uint8_t i_dur[2]; 430 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 431 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 432 /* FCS */ 433 } __packed; 434 435 struct ieee80211_frame_rts { 436 uint8_t i_fc[2]; 437 uint8_t i_dur[2]; 438 uint8_t i_ra[IEEE80211_ADDR_LEN]; 439 uint8_t i_ta[IEEE80211_ADDR_LEN]; 440 /* FCS */ 441 } __packed; 442 443 struct ieee80211_frame_cts { 444 uint8_t i_fc[2]; 445 uint8_t i_dur[2]; 446 uint8_t i_ra[IEEE80211_ADDR_LEN]; 447 /* FCS */ 448 } __packed; 449 450 struct ieee80211_frame_ack { 451 uint8_t i_fc[2]; 452 uint8_t i_dur[2]; 453 uint8_t i_ra[IEEE80211_ADDR_LEN]; 454 /* FCS */ 455 } __packed; 456 457 struct ieee80211_frame_pspoll { 458 uint8_t i_fc[2]; 459 uint8_t i_aid[2]; 460 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 461 uint8_t i_ta[IEEE80211_ADDR_LEN]; 462 /* FCS */ 463 } __packed; 464 465 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 466 uint8_t i_fc[2]; 467 uint8_t i_dur[2]; /* should be zero */ 468 uint8_t i_ra[IEEE80211_ADDR_LEN]; 469 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 470 /* FCS */ 471 } __packed; 472 473 struct ieee80211_frame_bar { 474 uint8_t i_fc[2]; 475 uint8_t i_dur[2]; 476 uint8_t i_ra[IEEE80211_ADDR_LEN]; 477 uint8_t i_ta[IEEE80211_ADDR_LEN]; 478 uint16_t i_ctl; 479 uint16_t i_seq; 480 /* FCS */ 481 } __packed; 482 483 /* 484 * BEACON management packets 485 * 486 * octet timestamp[8] 487 * octet beacon interval[2] 488 * octet capability information[2] 489 * information element 490 * octet elemid 491 * octet length 492 * octet information[length] 493 */ 494 495 #define IEEE80211_BEACON_INTERVAL(beacon) \ 496 ((beacon)[8] | ((beacon)[9] << 8)) 497 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 498 ((beacon)[10] | ((beacon)[11] << 8)) 499 500 #define IEEE80211_CAPINFO_ESS 0x0001 501 #define IEEE80211_CAPINFO_IBSS 0x0002 502 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 503 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 504 #define IEEE80211_CAPINFO_PRIVACY 0x0010 505 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 506 #define IEEE80211_CAPINFO_PBCC 0x0040 507 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 508 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 509 /* bit 9 is reserved */ 510 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 511 #define IEEE80211_CAPINFO_RSN 0x0800 512 /* bit 12 is reserved */ 513 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 514 /* bits 14-15 are reserved */ 515 516 #define IEEE80211_CAPINFO_BITS \ 517 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 518 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 519 "\16DSSOFDM" 520 521 /* 522 * 802.11i/WPA information element (maximally sized). 523 */ 524 struct ieee80211_ie_wpa { 525 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 526 uint8_t wpa_len; /* length in bytes */ 527 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 528 uint8_t wpa_type; /* OUI type */ 529 uint16_t wpa_version; /* spec revision */ 530 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 531 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 532 uint32_t wpa_uciphers[8];/* ciphers */ 533 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 534 uint32_t wpa_authsels[8];/* selectors */ 535 uint16_t wpa_caps; /* 802.11i capabilities */ 536 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 537 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 538 } __packed; 539 540 /* 541 * 802.11n HT Capability IE 542 * NB: these reflect D1.10 543 */ 544 struct ieee80211_ie_htcap { 545 uint8_t hc_id; /* element ID */ 546 uint8_t hc_len; /* length in bytes */ 547 uint16_t hc_cap; /* HT caps (see below) */ 548 uint8_t hc_param; /* HT params (see below) */ 549 uint8_t hc_mcsset[16]; /* supported MCS set */ 550 uint16_t hc_extcap; /* extended HT capabilities */ 551 uint32_t hc_txbf; /* txbf capabilities */ 552 uint8_t hc_antenna; /* antenna capabilities */ 553 } __packed; 554 555 /* HT capability flags (ht_cap) */ 556 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ 557 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 558 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 559 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 560 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 561 /* NB: SMPS value 2 is reserved */ 562 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 563 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 564 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 565 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 566 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 567 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 568 #define IEEE80211_HTCAP_RXSTBC_S 8 569 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 570 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 571 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 572 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 573 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 574 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 575 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 576 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 577 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 578 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 579 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 580 581 #define IEEE80211_HTCAP_BITS \ 582 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 583 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 584 "\20LSIGTXOPPROT" 585 586 /* HT parameters (hc_param) */ 587 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 588 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 589 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 590 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 591 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 592 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 593 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 594 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 595 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 596 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 597 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 598 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 599 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 600 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 601 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 602 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 603 604 /* HT extended capabilities (hc_extcap) */ 605 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 606 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 607 #define IEEE80211_HTCAP_PCOTRANS_S 1 608 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 609 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 610 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 611 /* bits 3-7 reserved */ 612 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 613 #define IEEE80211_HTCAP_MCSFBACK_S 8 614 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 615 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 616 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 617 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 618 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 619 /* bits 12-15 reserved */ 620 621 /* 622 * 802.11n HT Information IE 623 */ 624 struct ieee80211_ie_htinfo { 625 uint8_t hi_id; /* element ID */ 626 uint8_t hi_len; /* length in bytes */ 627 uint8_t hi_ctrlchannel; /* primary channel */ 628 uint8_t hi_byte1; /* ht ie byte 1 */ 629 uint8_t hi_byte2; /* ht ie byte 2 */ 630 uint8_t hi_byte3; /* ht ie byte 3 */ 631 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 632 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 633 } __packed; 634 635 /* byte1 */ 636 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 637 #define IEEE80211_HTINFO_2NDCHAN_S 0 638 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 639 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 640 /* NB: 2 is reserved */ 641 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 642 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 643 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 644 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 645 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 646 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 647 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 648 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 649 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 650 #define IEEE80211_HTINFO_SIGRAN_S 5 651 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 652 /* XXX add rest */ 653 654 /* bytes 2+3 */ 655 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 656 #define IEEE80211_HTINFO_OPMODE_S 0 657 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 658 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 659 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 660 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 661 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 662 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 663 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 664 /* bits 5-15 reserved */ 665 666 /* bytes 4+5 */ 667 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 668 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 669 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 670 #define IEEE80211_HTINFO_40MHZPHASE 0x08 671 672 /* byte5 */ 673 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 674 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 675 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 676 677 /* 678 * Management information element payloads. 679 */ 680 681 enum { 682 IEEE80211_ELEMID_SSID = 0, 683 IEEE80211_ELEMID_RATES = 1, 684 IEEE80211_ELEMID_FHPARMS = 2, 685 IEEE80211_ELEMID_DSPARMS = 3, 686 IEEE80211_ELEMID_CFPARMS = 4, 687 IEEE80211_ELEMID_TIM = 5, 688 IEEE80211_ELEMID_IBSSPARMS = 6, 689 IEEE80211_ELEMID_COUNTRY = 7, 690 IEEE80211_ELEMID_CHALLENGE = 16, 691 /* 17-31 reserved for challenge text extension */ 692 IEEE80211_ELEMID_PWRCNSTR = 32, 693 IEEE80211_ELEMID_PWRCAP = 33, 694 IEEE80211_ELEMID_TPCREQ = 34, 695 IEEE80211_ELEMID_TPCREP = 35, 696 IEEE80211_ELEMID_SUPPCHAN = 36, 697 IEEE80211_ELEMID_CSA = 37, 698 IEEE80211_ELEMID_MEASREQ = 38, 699 IEEE80211_ELEMID_MEASREP = 39, 700 IEEE80211_ELEMID_QUIET = 40, 701 IEEE80211_ELEMID_IBSSDFS = 41, 702 IEEE80211_ELEMID_ERP = 42, 703 IEEE80211_ELEMID_HTCAP = 45, 704 IEEE80211_ELEMID_RSN = 48, 705 IEEE80211_ELEMID_XRATES = 50, 706 IEEE80211_ELEMID_HTINFO = 61, 707 IEEE80211_ELEMID_TPC = 150, 708 IEEE80211_ELEMID_CCKM = 156, 709 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 710 711 /* 712 * 802.11s IEs based on D3.03 spec and were not assigned by 713 * ANA. Beware changing them because some of them are being 714 * kept compatible with Linux. 715 */ 716 IEEE80211_ELEMID_MESHCONF = 51, 717 IEEE80211_ELEMID_MESHID = 52, 718 IEEE80211_ELEMID_MESHLINK = 35, 719 IEEE80211_ELEMID_MESHCNGST = 36, 720 IEEE80211_ELEMID_MESHPEER = 55, 721 IEEE80211_ELEMID_MESHCSA = 38, 722 IEEE80211_ELEMID_MESHTIM = 39, 723 IEEE80211_ELEMID_MESHAWAKEW = 40, 724 IEEE80211_ELEMID_MESHBEACONT = 41, 725 IEEE80211_ELEMID_MESHPANN = 48, 726 IEEE80211_ELEMID_MESHRANN = 49, 727 IEEE80211_ELEMID_MESHPREQ = 68, 728 IEEE80211_ELEMID_MESHPREP = 69, 729 IEEE80211_ELEMID_MESHPERR = 70, 730 IEEE80211_ELEMID_MESHPXU = 53, 731 IEEE80211_ELEMID_MESHPXUC = 54, 732 IEEE80211_ELEMID_MESHAH = 60, /* Abbreviated Handshake */ 733 }; 734 735 struct ieee80211_tim_ie { 736 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 737 uint8_t tim_len; 738 uint8_t tim_count; /* DTIM count */ 739 uint8_t tim_period; /* DTIM period */ 740 uint8_t tim_bitctl; /* bitmap control */ 741 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 742 } __packed; 743 744 struct ieee80211_country_ie { 745 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 746 uint8_t len; 747 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 748 struct { 749 uint8_t schan; /* starting channel */ 750 uint8_t nchan; /* number channels */ 751 uint8_t maxtxpwr; /* tx power cap */ 752 } __packed band[1]; /* sub bands (NB: var size) */ 753 } __packed; 754 755 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 756 #define IEEE80211_COUNTRY_MAX_SIZE \ 757 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 758 759 /* 760 * 802.11h Channel Switch Announcement (CSA). 761 */ 762 struct ieee80211_csa_ie { 763 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 764 uint8_t csa_len; 765 uint8_t csa_mode; /* Channel Switch Mode */ 766 uint8_t csa_newchan; /* New Channel Number */ 767 uint8_t csa_count; /* Channel Switch Count */ 768 } __packed; 769 770 /* 771 * Note the min acceptable CSA count is used to guard against 772 * malicious CSA injection in station mode. Defining this value 773 * as other than 0 violates the 11h spec. 774 */ 775 #define IEEE80211_CSA_COUNT_MIN 2 776 #define IEEE80211_CSA_COUNT_MAX 255 777 778 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 779 #define IEEE80211_RATE_BASIC 0x80 780 #define IEEE80211_RATE_VAL 0x7f 781 782 /* EPR information element flags */ 783 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 784 #define IEEE80211_ERP_USE_PROTECTION 0x02 785 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 786 787 #define IEEE80211_ERP_BITS \ 788 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 789 790 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 791 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 792 793 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 794 #define TDMA_OUI ATH_OUI 795 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 796 797 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 798 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 799 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 800 801 #define WPA_OUI 0xf25000 802 #define WPA_OUI_TYPE 0x01 803 #define WPA_VERSION 1 /* current supported version */ 804 805 #define WPA_CSE_NULL 0x00 806 #define WPA_CSE_WEP40 0x01 807 #define WPA_CSE_TKIP 0x02 808 #define WPA_CSE_CCMP 0x04 809 #define WPA_CSE_WEP104 0x05 810 811 #define WPA_ASE_NONE 0x00 812 #define WPA_ASE_8021X_UNSPEC 0x01 813 #define WPA_ASE_8021X_PSK 0x02 814 815 #define WPS_OUI_TYPE 0x04 816 817 #define RSN_OUI 0xac0f00 818 #define RSN_VERSION 1 /* current supported version */ 819 820 #define RSN_CSE_NULL 0x00 821 #define RSN_CSE_WEP40 0x01 822 #define RSN_CSE_TKIP 0x02 823 #define RSN_CSE_WRAP 0x03 824 #define RSN_CSE_CCMP 0x04 825 #define RSN_CSE_WEP104 0x05 826 827 #define RSN_ASE_NONE 0x00 828 #define RSN_ASE_8021X_UNSPEC 0x01 829 #define RSN_ASE_8021X_PSK 0x02 830 831 #define RSN_CAP_PREAUTH 0x01 832 833 #define WME_OUI 0xf25000 834 #define WME_OUI_TYPE 0x02 835 #define WME_INFO_OUI_SUBTYPE 0x00 836 #define WME_PARAM_OUI_SUBTYPE 0x01 837 #define WME_VERSION 1 838 839 /* WME stream classes */ 840 #define WME_AC_BE 0 /* best effort */ 841 #define WME_AC_BK 1 /* background */ 842 #define WME_AC_VI 2 /* video */ 843 #define WME_AC_VO 3 /* voice */ 844 845 /* 846 * AUTH management packets 847 * 848 * octet algo[2] 849 * octet seq[2] 850 * octet status[2] 851 * octet chal.id 852 * octet chal.length 853 * octet chal.text[253] NB: 1-253 bytes 854 */ 855 856 /* challenge length for shared key auth */ 857 #define IEEE80211_CHALLENGE_LEN 128 858 859 #define IEEE80211_AUTH_ALG_OPEN 0x0000 860 #define IEEE80211_AUTH_ALG_SHARED 0x0001 861 #define IEEE80211_AUTH_ALG_LEAP 0x0080 862 863 enum { 864 IEEE80211_AUTH_OPEN_REQUEST = 1, 865 IEEE80211_AUTH_OPEN_RESPONSE = 2, 866 }; 867 868 enum { 869 IEEE80211_AUTH_SHARED_REQUEST = 1, 870 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 871 IEEE80211_AUTH_SHARED_RESPONSE = 3, 872 IEEE80211_AUTH_SHARED_PASS = 4, 873 }; 874 875 /* 876 * Reason and status codes. 877 * 878 * Reason codes are used in management frames to indicate why an 879 * action took place (e.g. on disassociation). Status codes are 880 * used in management frames to indicate the result of an operation. 881 * 882 * Unlisted codes are reserved 883 */ 884 885 enum { 886 IEEE80211_REASON_UNSPECIFIED = 1, 887 IEEE80211_REASON_AUTH_EXPIRE = 2, 888 IEEE80211_REASON_AUTH_LEAVE = 3, 889 IEEE80211_REASON_ASSOC_EXPIRE = 4, 890 IEEE80211_REASON_ASSOC_TOOMANY = 5, 891 IEEE80211_REASON_NOT_AUTHED = 6, 892 IEEE80211_REASON_NOT_ASSOCED = 7, 893 IEEE80211_REASON_ASSOC_LEAVE = 8, 894 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 895 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 896 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 897 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 898 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 899 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 900 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 901 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 902 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 903 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 904 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 905 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 906 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 907 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 908 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 909 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 910 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 911 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 912 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 913 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 914 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 915 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 916 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 917 918 /* values not yet allocated by ANA */ 919 IEEE80211_REASON_PEER_LINK_CANCELED = 2, /* 11s */ 920 IEEE80211_REASON_MESH_MAX_PEERS = 3, /* 11s */ 921 IEEE80211_REASON_MESH_CPVIOLATION = 4, /* 11s */ 922 IEEE80211_REASON_MESH_CLOSE_RCVD = 5, /* 11s */ 923 IEEE80211_REASON_MESH_MAX_RETRIES = 6, /* 11s */ 924 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 7, /* 11s */ 925 IEEE80211_REASON_MESH_INVALID_GTK = 8, /* 11s */ 926 IEEE80211_REASON_MESH_INCONS_PARAMS = 9, /* 11s */ 927 IEEE80211_REASON_MESH_INVALID_SECURITY = 10, /* 11s */ 928 IEEE80211_REASON_MESH_PERR_UNSPEC = 11, /* 11s */ 929 IEEE80211_REASON_MESH_PERR_NO_FI = 12, /* 11s */ 930 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 13, /* 11s */ 931 932 IEEE80211_STATUS_SUCCESS = 0, 933 IEEE80211_STATUS_UNSPECIFIED = 1, 934 IEEE80211_STATUS_CAPINFO = 10, 935 IEEE80211_STATUS_NOT_ASSOCED = 11, 936 IEEE80211_STATUS_OTHER = 12, 937 IEEE80211_STATUS_ALG = 13, 938 IEEE80211_STATUS_SEQUENCE = 14, 939 IEEE80211_STATUS_CHALLENGE = 15, 940 IEEE80211_STATUS_TIMEOUT = 16, 941 IEEE80211_STATUS_TOOMANY = 17, 942 IEEE80211_STATUS_BASIC_RATE = 18, 943 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 944 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 945 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 946 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 947 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 948 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 949 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 950 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 951 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 952 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 953 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 954 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 955 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 956 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 957 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 958 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 959 }; 960 961 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 962 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 963 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 964 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 965 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 966 IEEE80211_WEP_KIDLEN + \ 967 IEEE80211_WEP_CRCLEN) 968 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 969 970 /* 971 * 802.11i defines an extended IV for use with non-WEP ciphers. 972 * When the EXTIV bit is set in the key id byte an additional 973 * 4 bytes immediately follow the IV for TKIP. For CCMP the 974 * EXTIV bit is likewise set but the 8 bytes represent the 975 * CCMP header rather than IV+extended-IV. 976 */ 977 #define IEEE80211_WEP_EXTIV 0x20 978 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 979 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 980 981 #define IEEE80211_CRC_LEN 4 982 983 /* 984 * Maximum acceptable MTU is: 985 * IEEE80211_MAX_LEN - WEP overhead - CRC - 986 * QoS overhead - RSN/WPA overhead 987 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 988 * mtu is Ethernet-compatible; it's set by ether_ifattach. 989 */ 990 #define IEEE80211_MTU_MAX 2290 991 #define IEEE80211_MTU_MIN 32 992 993 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 994 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 995 #define IEEE80211_ACK_LEN \ 996 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 997 #define IEEE80211_MIN_LEN \ 998 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 999 1000 /* 1001 * The 802.11 spec says at most 2007 stations may be 1002 * associated at once. For most AP's this is way more 1003 * than is feasible so we use a default of IEEE80211_AID_DEF. 1004 * This number may be overridden by the driver and/or by 1005 * user configuration but may not be less than IEEE80211_AID_MIN 1006 * (see _ieee80211.h for implementation-specific settings). 1007 */ 1008 #define IEEE80211_AID_MAX 2007 1009 1010 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1011 1012 /* 1013 * RTS frame length parameters. The default is specified in 1014 * the 802.11 spec as 512; we treat it as implementation-dependent 1015 * so it's defined in ieee80211_var.h. The max may be wrong 1016 * for jumbo frames. 1017 */ 1018 #define IEEE80211_RTS_MIN 1 1019 #define IEEE80211_RTS_MAX 2346 1020 1021 /* 1022 * TX fragmentation parameters. As above for RTS, we treat 1023 * default as implementation-dependent so define it elsewhere. 1024 */ 1025 #define IEEE80211_FRAG_MIN 256 1026 #define IEEE80211_FRAG_MAX 2346 1027 1028 /* 1029 * Beacon interval (TU's). Min+max come from WiFi requirements. 1030 * As above, we treat default as implementation-dependent so 1031 * define it elsewhere. 1032 */ 1033 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1034 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1035 1036 /* 1037 * DTIM period (beacons). Min+max are not really defined 1038 * by the protocol but we want them publicly visible so 1039 * define them here. 1040 */ 1041 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1042 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1043 1044 /* 1045 * Beacon miss threshold (beacons). As for DTIM, we define 1046 * them here to be publicly visible. Note the max may be 1047 * clamped depending on device capabilities. 1048 */ 1049 #define IEEE80211_HWBMISS_MIN 1 1050 #define IEEE80211_HWBMISS_MAX 255 1051 1052 /* 1053 * 802.11 frame duration definitions. 1054 */ 1055 1056 struct ieee80211_duration { 1057 uint16_t d_rts_dur; 1058 uint16_t d_data_dur; 1059 uint16_t d_plcp_len; 1060 uint8_t d_residue; /* unused octets in time slot */ 1061 }; 1062 1063 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1064 #define IEEE80211_DUR_TU 1024 1065 1066 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1067 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1068 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1069 1070 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1071 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1072 #define IEEE80211_DUR_DS_SLOW_ACK 112 1073 #define IEEE80211_DUR_DS_FAST_ACK 56 1074 #define IEEE80211_DUR_DS_SLOW_CTS 112 1075 #define IEEE80211_DUR_DS_FAST_CTS 56 1076 1077 #define IEEE80211_DUR_DS_SLOT 20 1078 #define IEEE80211_DUR_DS_SIFS 10 1079 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1080 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1081 2 * IEEE80211_DUR_DS_SLOT) 1082 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1083 IEEE80211_DUR_DS_SLOW_ACK + \ 1084 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1085 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1086 IEEE80211_DUR_DIFS) 1087 1088 #endif /* _NET80211_IEEE80211_H_ */ 1089