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 #ifdef _KERNEL 40 extern const uint8_t ieee80211broadcastaddr[]; 41 #endif 42 43 typedef uint16_t ieee80211_seq; 44 45 /* IEEE 802.11 PLCP header */ 46 struct ieee80211_plcp_hdr { 47 uint16_t i_sfd; 48 uint8_t i_signal; 49 uint8_t i_service; 50 uint16_t i_length; 51 uint16_t i_crc; 52 } __packed; 53 54 #define IEEE80211_PLCP_SFD 0xF3A0 55 #define IEEE80211_PLCP_SERVICE 0x00 56 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04 57 #define IEEE80211_PLCL_SERVICE_PBCC 0x08 58 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 59 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 60 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 61 62 /* 63 * generic definitions for IEEE 802.11 frames 64 */ 65 struct ieee80211_frame { 66 uint8_t i_fc[2]; 67 uint8_t i_dur[2]; 68 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 69 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 70 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 71 uint8_t i_seq[2]; 72 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 73 /* see below */ 74 } __packed; 75 76 struct ieee80211_qosframe { 77 uint8_t i_fc[2]; 78 uint8_t i_dur[2]; 79 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 80 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 81 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 82 uint8_t i_seq[2]; 83 uint8_t i_qos[2]; 84 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 85 /* see below */ 86 } __packed; 87 88 struct ieee80211_qoscntl { 89 uint8_t i_qos[2]; 90 }; 91 92 struct ieee80211_frame_addr4 { 93 uint8_t i_fc[2]; 94 uint8_t i_dur[2]; 95 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 96 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 97 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 98 uint8_t i_seq[2]; 99 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 100 } __packed; 101 102 103 struct ieee80211_qosframe_addr4 { 104 uint8_t i_fc[2]; 105 uint8_t i_dur[2]; 106 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 107 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 108 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 109 uint8_t i_seq[2]; 110 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 111 uint8_t i_qos[2]; 112 } __packed; 113 114 #define IEEE80211_FC0_VERSION_MASK 0x03 115 #define IEEE80211_FC0_VERSION_SHIFT 0 116 #define IEEE80211_FC0_VERSION_0 0x00 117 #define IEEE80211_FC0_TYPE_MASK 0x0c 118 #define IEEE80211_FC0_TYPE_SHIFT 2 119 #define IEEE80211_FC0_TYPE_MGT 0x00 120 #define IEEE80211_FC0_TYPE_CTL 0x04 121 #define IEEE80211_FC0_TYPE_DATA 0x08 122 123 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 124 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 125 /* for TYPE_MGT */ 126 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 127 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 128 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 129 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 130 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 131 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 132 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60 133 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 134 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 135 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 136 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 137 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 138 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 139 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 140 /* for TYPE_CTL */ 141 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70 142 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 143 #define IEEE80211_FC0_SUBTYPE_BA 0x90 144 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 145 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 146 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 147 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 148 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 149 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 150 /* for TYPE_DATA (bit combination) */ 151 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 152 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 153 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 154 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 155 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 156 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 157 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 158 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 159 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 160 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 161 162 #define IEEE80211_FC1_DIR_MASK 0x03 163 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 164 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 165 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 166 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 167 168 #define IEEE80211_IS_DSTODS(wh) \ 169 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 170 171 #define IEEE80211_FC1_MORE_FRAG 0x04 172 #define IEEE80211_FC1_RETRY 0x08 173 #define IEEE80211_FC1_PWR_MGT 0x10 174 #define IEEE80211_FC1_MORE_DATA 0x20 175 #define IEEE80211_FC1_PROTECTED 0x40 176 #define IEEE80211_FC1_ORDER 0x80 177 178 #define IEEE80211_HAS_SEQ(type, subtype) \ 179 ((type) != IEEE80211_FC0_TYPE_CTL && \ 180 !((type) == IEEE80211_FC0_TYPE_DATA && \ 181 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 182 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 183 #define IEEE80211_SEQ_FRAG_MASK 0x000f 184 #define IEEE80211_SEQ_FRAG_SHIFT 0 185 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 186 #define IEEE80211_SEQ_SEQ_SHIFT 4 187 #define IEEE80211_SEQ_RANGE 4096 188 189 #define IEEE80211_SEQ_ADD(seq, incr) \ 190 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 191 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 192 #define IEEE80211_SEQ_SUB(a, b) \ 193 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 194 195 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 196 #define IEEE80211_SEQ_BA_BEFORE(a, b) \ 197 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 198 199 #define IEEE80211_NWID_LEN 32 200 #define IEEE80211_MESHID_LEN 32 201 202 #define IEEE80211_QOS_TXOP 0x00ff 203 /* bit 8 is reserved */ 204 #define IEEE80211_QOS_AMSDU 0x80 205 #define IEEE80211_QOS_AMSDU_S 7 206 #define IEEE80211_QOS_ACKPOLICY 0x60 207 #define IEEE80211_QOS_ACKPOLICY_S 5 208 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 209 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 210 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 211 #define IEEE80211_QOS_EOSP_S 4 212 #define IEEE80211_QOS_TID 0x0f 213 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 214 #define IEEE80211_QOS_MC 0x01 /* Mesh control */ 215 /* Mesh power save level*/ 216 #define IEEE80211_QOS_MESH_PSL 0x02 217 /* Mesh Receiver Service Period Initiated */ 218 #define IEEE80211_QOS_RSPI 0x04 219 /* bits 11 to 15 reserved */ 220 221 /* does frame have QoS sequence control data */ 222 #define IEEE80211_QOS_HAS_SEQ(wh) \ 223 (((wh)->i_fc[0] & \ 224 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 225 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 226 227 /* 228 * WME/802.11e information element. 229 */ 230 struct ieee80211_wme_info { 231 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 232 uint8_t wme_len; /* length in bytes */ 233 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 234 uint8_t wme_type; /* OUI type */ 235 uint8_t wme_subtype; /* OUI subtype */ 236 uint8_t wme_version; /* spec revision */ 237 uint8_t wme_info; /* QoS info */ 238 } __packed; 239 240 /* 241 * WME/802.11e Tspec Element 242 */ 243 struct ieee80211_wme_tspec { 244 uint8_t ts_id; 245 uint8_t ts_len; 246 uint8_t ts_oui[3]; 247 uint8_t ts_oui_type; 248 uint8_t ts_oui_subtype; 249 uint8_t ts_version; 250 uint8_t ts_tsinfo[3]; 251 uint8_t ts_nom_msdu[2]; 252 uint8_t ts_max_msdu[2]; 253 uint8_t ts_min_svc[4]; 254 uint8_t ts_max_svc[4]; 255 uint8_t ts_inactv_intv[4]; 256 uint8_t ts_susp_intv[4]; 257 uint8_t ts_start_svc[4]; 258 uint8_t ts_min_rate[4]; 259 uint8_t ts_mean_rate[4]; 260 uint8_t ts_max_burst[4]; 261 uint8_t ts_min_phy[4]; 262 uint8_t ts_peak_rate[4]; 263 uint8_t ts_delay[4]; 264 uint8_t ts_surplus[2]; 265 uint8_t ts_medium_time[2]; 266 } __packed; 267 268 /* 269 * WME AC parameter field 270 */ 271 struct ieee80211_wme_acparams { 272 uint8_t acp_aci_aifsn; 273 uint8_t acp_logcwminmax; 274 uint16_t acp_txop; 275 } __packed; 276 277 #define WME_NUM_AC 4 /* 4 AC categories */ 278 #define WME_NUM_TID 16 /* 16 tids */ 279 280 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 281 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 282 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 283 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 284 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 285 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 286 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 287 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 288 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 289 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 290 291 #define WME_AC_TO_TID(_ac) ( \ 292 ((_ac) == WME_AC_VO) ? 6 : \ 293 ((_ac) == WME_AC_VI) ? 5 : \ 294 ((_ac) == WME_AC_BK) ? 1 : \ 295 0) 296 297 #define TID_TO_WME_AC(_tid) ( \ 298 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 299 ((_tid) < 3) ? WME_AC_BK : \ 300 ((_tid) < 6) ? WME_AC_VI : \ 301 WME_AC_VO) 302 303 /* 304 * WME Parameter Element 305 */ 306 struct ieee80211_wme_param { 307 uint8_t param_id; 308 uint8_t param_len; 309 uint8_t param_oui[3]; 310 uint8_t param_oui_type; 311 uint8_t param_oui_subtype; 312 uint8_t param_version; 313 uint8_t param_qosInfo; 314 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 315 uint8_t param_reserved; 316 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 317 } __packed; 318 319 /* 320 * Management Notification Frame 321 */ 322 struct ieee80211_mnf { 323 uint8_t mnf_category; 324 uint8_t mnf_action; 325 uint8_t mnf_dialog; 326 uint8_t mnf_status; 327 } __packed; 328 #define MNF_SETUP_REQ 0 329 #define MNF_SETUP_RESP 1 330 #define MNF_TEARDOWN 2 331 332 /* 333 * 802.11n Management Action Frames 334 */ 335 /* generic frame format */ 336 struct ieee80211_action { 337 uint8_t ia_category; 338 uint8_t ia_action; 339 } __packed; 340 341 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 342 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 343 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 344 #define IEEE80211_ACTION_CAT_BA 3 /* BA */ 345 #define IEEE80211_ACTION_CAT_HT 7 /* HT */ 346 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 347 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 348 /* 16 - 125 reserved */ 349 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 350 351 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 352 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 353 354 /* HT - recommended transmission channel width */ 355 struct ieee80211_action_ht_txchwidth { 356 struct ieee80211_action at_header; 357 uint8_t at_chwidth; 358 } __packed; 359 360 #define IEEE80211_A_HT_TXCHWIDTH_20 0 361 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 362 363 /* HT - MIMO Power Save (NB: D2.04) */ 364 struct ieee80211_action_ht_mimopowersave { 365 struct ieee80211_action am_header; 366 uint8_t am_control; 367 } __packed; 368 369 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 370 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 371 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 372 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 373 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 374 /* bits 2-7 reserved */ 375 376 /* Block Ack actions */ 377 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 378 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 379 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 380 381 /* Block Ack Parameter Set */ 382 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 383 #define IEEE80211_BAPS_BUFSIZ_S 6 384 #define IEEE80211_BAPS_TID 0x003c /* TID */ 385 #define IEEE80211_BAPS_TID_S 2 386 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 387 #define IEEE80211_BAPS_POLICY_S 1 388 389 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 390 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 391 392 /* Block Ack Sequence Control */ 393 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 394 #define IEEE80211_BASEQ_START_S 4 395 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 396 #define IEEE80211_BASEQ_FRAG_S 0 397 398 /* Delayed Block Ack Parameter Set */ 399 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 400 #define IEEE80211_DELBAPS_TID_S 12 401 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 402 #define IEEE80211_DELBAPS_INIT_S 11 403 404 /* BA - ADDBA request */ 405 struct ieee80211_action_ba_addbarequest { 406 struct ieee80211_action rq_header; 407 uint8_t rq_dialogtoken; 408 uint16_t rq_baparamset; 409 uint16_t rq_batimeout; /* in TUs */ 410 uint16_t rq_baseqctl; 411 } __packed; 412 413 /* BA - ADDBA response */ 414 struct ieee80211_action_ba_addbaresponse { 415 struct ieee80211_action rs_header; 416 uint8_t rs_dialogtoken; 417 uint16_t rs_statuscode; 418 uint16_t rs_baparamset; 419 uint16_t rs_batimeout; /* in TUs */ 420 } __packed; 421 422 /* BA - DELBA */ 423 struct ieee80211_action_ba_delba { 424 struct ieee80211_action dl_header; 425 uint16_t dl_baparamset; 426 uint16_t dl_reasoncode; 427 } __packed; 428 429 /* BAR Control */ 430 #define IEEE80211_BAR_TID 0xf000 /* TID */ 431 #define IEEE80211_BAR_TID_S 12 432 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 433 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 434 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 435 436 /* BAR Starting Sequence Control */ 437 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 438 #define IEEE80211_BAR_SEQ_START_S 4 439 440 struct ieee80211_ba_request { 441 uint16_t rq_barctl; 442 uint16_t rq_barseqctl; 443 } __packed; 444 445 /* 446 * Control frames. 447 */ 448 struct ieee80211_frame_min { 449 uint8_t i_fc[2]; 450 uint8_t i_dur[2]; 451 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 452 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 453 /* FCS */ 454 } __packed; 455 456 struct ieee80211_frame_rts { 457 uint8_t i_fc[2]; 458 uint8_t i_dur[2]; 459 uint8_t i_ra[IEEE80211_ADDR_LEN]; 460 uint8_t i_ta[IEEE80211_ADDR_LEN]; 461 /* FCS */ 462 } __packed; 463 464 struct ieee80211_frame_cts { 465 uint8_t i_fc[2]; 466 uint8_t i_dur[2]; 467 uint8_t i_ra[IEEE80211_ADDR_LEN]; 468 /* FCS */ 469 } __packed; 470 471 struct ieee80211_frame_ack { 472 uint8_t i_fc[2]; 473 uint8_t i_dur[2]; 474 uint8_t i_ra[IEEE80211_ADDR_LEN]; 475 /* FCS */ 476 } __packed; 477 478 struct ieee80211_frame_pspoll { 479 uint8_t i_fc[2]; 480 uint8_t i_aid[2]; 481 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 482 uint8_t i_ta[IEEE80211_ADDR_LEN]; 483 /* FCS */ 484 } __packed; 485 486 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 487 uint8_t i_fc[2]; 488 uint8_t i_dur[2]; /* should be zero */ 489 uint8_t i_ra[IEEE80211_ADDR_LEN]; 490 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 491 /* FCS */ 492 } __packed; 493 494 struct ieee80211_frame_bar { 495 uint8_t i_fc[2]; 496 uint8_t i_dur[2]; 497 uint8_t i_ra[IEEE80211_ADDR_LEN]; 498 uint8_t i_ta[IEEE80211_ADDR_LEN]; 499 uint16_t i_ctl; 500 uint16_t i_seq; 501 /* FCS */ 502 } __packed; 503 504 /* 505 * BEACON management packets 506 * 507 * octet timestamp[8] 508 * octet beacon interval[2] 509 * octet capability information[2] 510 * information element 511 * octet elemid 512 * octet length 513 * octet information[length] 514 */ 515 516 #define IEEE80211_BEACON_INTERVAL(beacon) \ 517 ((beacon)[8] | ((beacon)[9] << 8)) 518 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 519 ((beacon)[10] | ((beacon)[11] << 8)) 520 521 #define IEEE80211_CAPINFO_ESS 0x0001 522 #define IEEE80211_CAPINFO_IBSS 0x0002 523 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 524 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 525 #define IEEE80211_CAPINFO_PRIVACY 0x0010 526 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 527 #define IEEE80211_CAPINFO_PBCC 0x0040 528 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 529 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 530 /* bit 9 is reserved */ 531 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 532 #define IEEE80211_CAPINFO_RSN 0x0800 533 /* bit 12 is reserved */ 534 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 535 /* bits 14-15 are reserved */ 536 537 #define IEEE80211_CAPINFO_BITS \ 538 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 539 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 540 "\16DSSOFDM" 541 542 /* 543 * 802.11i/WPA information element (maximally sized). 544 */ 545 struct ieee80211_ie_wpa { 546 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 547 uint8_t wpa_len; /* length in bytes */ 548 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 549 uint8_t wpa_type; /* OUI type */ 550 uint16_t wpa_version; /* spec revision */ 551 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 552 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 553 uint32_t wpa_uciphers[8];/* ciphers */ 554 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 555 uint32_t wpa_authsels[8];/* selectors */ 556 uint16_t wpa_caps; /* 802.11i capabilities */ 557 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 558 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 559 } __packed; 560 561 /* 562 * 802.11n HT Capability IE 563 * NB: these reflect D1.10 564 */ 565 struct ieee80211_ie_htcap { 566 uint8_t hc_id; /* element ID */ 567 uint8_t hc_len; /* length in bytes */ 568 uint16_t hc_cap; /* HT caps (see below) */ 569 uint8_t hc_param; /* HT params (see below) */ 570 uint8_t hc_mcsset[16]; /* supported MCS set */ 571 uint16_t hc_extcap; /* extended HT capabilities */ 572 uint32_t hc_txbf; /* txbf capabilities */ 573 uint8_t hc_antenna; /* antenna capabilities */ 574 } __packed; 575 576 /* HT capability flags (ht_cap) */ 577 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ 578 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 579 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 580 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 581 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 582 /* NB: SMPS value 2 is reserved */ 583 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 584 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 585 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 586 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 587 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 588 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 589 #define IEEE80211_HTCAP_RXSTBC_S 8 590 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 591 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 592 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 593 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 594 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 595 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 596 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 597 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 598 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 599 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 600 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 601 602 #define IEEE80211_HTCAP_BITS \ 603 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 604 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 605 "\20LSIGTXOPPROT" 606 607 /* HT parameters (hc_param) */ 608 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 609 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 610 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 611 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 612 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 613 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 614 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 615 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 616 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 617 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 618 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 619 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 620 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 621 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 622 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 623 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 624 625 /* HT extended capabilities (hc_extcap) */ 626 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 627 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 628 #define IEEE80211_HTCAP_PCOTRANS_S 1 629 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 630 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 631 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 632 /* bits 3-7 reserved */ 633 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 634 #define IEEE80211_HTCAP_MCSFBACK_S 8 635 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 636 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 637 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 638 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 639 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 640 /* bits 12-15 reserved */ 641 642 /* 643 * 802.11n HT Information IE 644 */ 645 struct ieee80211_ie_htinfo { 646 uint8_t hi_id; /* element ID */ 647 uint8_t hi_len; /* length in bytes */ 648 uint8_t hi_ctrlchannel; /* primary channel */ 649 uint8_t hi_byte1; /* ht ie byte 1 */ 650 uint8_t hi_byte2; /* ht ie byte 2 */ 651 uint8_t hi_byte3; /* ht ie byte 3 */ 652 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 653 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 654 } __packed; 655 656 /* byte1 */ 657 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 658 #define IEEE80211_HTINFO_2NDCHAN_S 0 659 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 660 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 661 /* NB: 2 is reserved */ 662 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 663 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 664 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 665 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 666 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 667 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 668 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 669 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 670 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 671 #define IEEE80211_HTINFO_SIGRAN_S 5 672 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 673 /* XXX add rest */ 674 675 /* bytes 2+3 */ 676 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 677 #define IEEE80211_HTINFO_OPMODE_S 0 678 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 679 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 680 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 681 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 682 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 683 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 684 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 685 /* bits 5-15 reserved */ 686 687 /* bytes 4+5 */ 688 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 689 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 690 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 691 #define IEEE80211_HTINFO_40MHZPHASE 0x08 692 693 /* byte5 */ 694 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 695 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 696 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 697 698 /* 699 * Management information element payloads. 700 */ 701 702 enum { 703 IEEE80211_ELEMID_SSID = 0, 704 IEEE80211_ELEMID_RATES = 1, 705 IEEE80211_ELEMID_FHPARMS = 2, 706 IEEE80211_ELEMID_DSPARMS = 3, 707 IEEE80211_ELEMID_CFPARMS = 4, 708 IEEE80211_ELEMID_TIM = 5, 709 IEEE80211_ELEMID_IBSSPARMS = 6, 710 IEEE80211_ELEMID_COUNTRY = 7, 711 IEEE80211_ELEMID_CHALLENGE = 16, 712 /* 17-31 reserved for challenge text extension */ 713 IEEE80211_ELEMID_PWRCNSTR = 32, 714 IEEE80211_ELEMID_PWRCAP = 33, 715 IEEE80211_ELEMID_TPCREQ = 34, 716 IEEE80211_ELEMID_TPCREP = 35, 717 IEEE80211_ELEMID_SUPPCHAN = 36, 718 IEEE80211_ELEMID_CSA = 37, 719 IEEE80211_ELEMID_MEASREQ = 38, 720 IEEE80211_ELEMID_MEASREP = 39, 721 IEEE80211_ELEMID_QUIET = 40, 722 IEEE80211_ELEMID_IBSSDFS = 41, 723 IEEE80211_ELEMID_ERP = 42, 724 IEEE80211_ELEMID_HTCAP = 45, 725 IEEE80211_ELEMID_QOS = 46, 726 IEEE80211_ELEMID_RSN = 48, 727 IEEE80211_ELEMID_XRATES = 50, 728 IEEE80211_ELEMID_HTINFO = 61, 729 IEEE80211_ELEMID_TPC = 150, 730 IEEE80211_ELEMID_CCKM = 156, 731 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 732 733 /* 734 * 802.11s IEs 735 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 736 * but they defined a new with id 117 called PEER_MGMT. 737 * NB: complies with open80211 738 */ 739 IEEE80211_ELEMID_MESHCONF = 113, 740 IEEE80211_ELEMID_MESHID = 114, 741 IEEE80211_ELEMID_MESHLINK = 115, 742 IEEE80211_ELEMID_MESHCNGST = 116, 743 IEEE80211_ELEMID_MESHPEER = 117, 744 IEEE80211_ELEMID_MESHCSA = 118, 745 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 746 IEEE80211_ELEMID_MESHAWAKEW = 119, 747 IEEE80211_ELEMID_MESHBEACONT = 120, 748 /* 121-124 MMCAOP not implemented yet */ 749 IEEE80211_ELEMID_MESHGANN = 125, 750 IEEE80211_ELEMID_MESHRANN = 126, 751 /* 127 Extended Capabilities */ 752 /* 128-129 reserved */ 753 IEEE80211_ELEMID_MESHPREQ = 130, 754 IEEE80211_ELEMID_MESHPREP = 131, 755 IEEE80211_ELEMID_MESHPERR = 132, 756 /* 133-136 reserved */ 757 IEEE80211_ELEMID_MESHPXU = 137, 758 IEEE80211_ELEMID_MESHPXUC = 138, 759 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 760 }; 761 762 struct ieee80211_tim_ie { 763 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 764 uint8_t tim_len; 765 uint8_t tim_count; /* DTIM count */ 766 uint8_t tim_period; /* DTIM period */ 767 uint8_t tim_bitctl; /* bitmap control */ 768 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 769 } __packed; 770 771 struct ieee80211_country_ie { 772 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 773 uint8_t len; 774 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 775 struct { 776 uint8_t schan; /* starting channel */ 777 uint8_t nchan; /* number channels */ 778 uint8_t maxtxpwr; /* tx power cap */ 779 } __packed band[1]; /* sub bands (NB: var size) */ 780 } __packed; 781 782 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 783 #define IEEE80211_COUNTRY_MAX_SIZE \ 784 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 785 786 /* 787 * 802.11h Quiet Time Element. 788 */ 789 struct ieee80211_quiet_ie { 790 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 791 uint8_t len; 792 uint8_t tbttcount; /* quiet start */ 793 uint8_t period; /* beacon intervals between quiets */ 794 uint16_t duration; /* TUs of each quiet*/ 795 uint16_t offset; /* TUs of from TBTT of quiet start */ 796 } __packed; 797 798 /* 799 * 802.11h Channel Switch Announcement (CSA). 800 */ 801 struct ieee80211_csa_ie { 802 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 803 uint8_t csa_len; 804 uint8_t csa_mode; /* Channel Switch Mode */ 805 uint8_t csa_newchan; /* New Channel Number */ 806 uint8_t csa_count; /* Channel Switch Count */ 807 } __packed; 808 809 /* 810 * Note the min acceptable CSA count is used to guard against 811 * malicious CSA injection in station mode. Defining this value 812 * as other than 0 violates the 11h spec. 813 */ 814 #define IEEE80211_CSA_COUNT_MIN 2 815 #define IEEE80211_CSA_COUNT_MAX 255 816 817 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 818 #define IEEE80211_RATE_BASIC 0x80 819 #define IEEE80211_RATE_VAL 0x7f 820 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 821 822 /* ERP information element flags */ 823 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 824 #define IEEE80211_ERP_USE_PROTECTION 0x02 825 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 826 827 #define IEEE80211_ERP_BITS \ 828 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 829 830 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 831 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 832 833 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 834 #define TDMA_OUI ATH_OUI 835 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 836 837 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 838 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 839 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 840 841 #define WPA_OUI 0xf25000 842 #define WPA_OUI_TYPE 0x01 843 #define WPA_VERSION 1 /* current supported version */ 844 845 #define WPA_CSE_NULL 0x00 846 #define WPA_CSE_WEP40 0x01 847 #define WPA_CSE_TKIP 0x02 848 #define WPA_CSE_CCMP 0x04 849 #define WPA_CSE_WEP104 0x05 850 851 #define WPA_ASE_NONE 0x00 852 #define WPA_ASE_8021X_UNSPEC 0x01 853 #define WPA_ASE_8021X_PSK 0x02 854 855 #define WPS_OUI_TYPE 0x04 856 857 #define RSN_OUI 0xac0f00 858 #define RSN_VERSION 1 /* current supported version */ 859 860 #define RSN_CSE_NULL 0x00 861 #define RSN_CSE_WEP40 0x01 862 #define RSN_CSE_TKIP 0x02 863 #define RSN_CSE_WRAP 0x03 864 #define RSN_CSE_CCMP 0x04 865 #define RSN_CSE_WEP104 0x05 866 867 #define RSN_ASE_NONE 0x00 868 #define RSN_ASE_8021X_UNSPEC 0x01 869 #define RSN_ASE_8021X_PSK 0x02 870 871 #define RSN_CAP_PREAUTH 0x01 872 873 #define WME_OUI 0xf25000 874 #define WME_OUI_TYPE 0x02 875 #define WME_INFO_OUI_SUBTYPE 0x00 876 #define WME_PARAM_OUI_SUBTYPE 0x01 877 #define WME_VERSION 1 878 879 /* WME stream classes */ 880 #define WME_AC_BE 0 /* best effort */ 881 #define WME_AC_BK 1 /* background */ 882 #define WME_AC_VI 2 /* video */ 883 #define WME_AC_VO 3 /* voice */ 884 885 /* 886 * AUTH management packets 887 * 888 * octet algo[2] 889 * octet seq[2] 890 * octet status[2] 891 * octet chal.id 892 * octet chal.length 893 * octet chal.text[253] NB: 1-253 bytes 894 */ 895 896 /* challenge length for shared key auth */ 897 #define IEEE80211_CHALLENGE_LEN 128 898 899 #define IEEE80211_AUTH_ALG_OPEN 0x0000 900 #define IEEE80211_AUTH_ALG_SHARED 0x0001 901 #define IEEE80211_AUTH_ALG_LEAP 0x0080 902 903 enum { 904 IEEE80211_AUTH_OPEN_REQUEST = 1, 905 IEEE80211_AUTH_OPEN_RESPONSE = 2, 906 }; 907 908 enum { 909 IEEE80211_AUTH_SHARED_REQUEST = 1, 910 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 911 IEEE80211_AUTH_SHARED_RESPONSE = 3, 912 IEEE80211_AUTH_SHARED_PASS = 4, 913 }; 914 915 /* 916 * Reason and status codes. 917 * 918 * Reason codes are used in management frames to indicate why an 919 * action took place (e.g. on disassociation). Status codes are 920 * used in management frames to indicate the result of an operation. 921 * 922 * Unlisted codes are reserved 923 */ 924 925 enum { 926 IEEE80211_REASON_UNSPECIFIED = 1, 927 IEEE80211_REASON_AUTH_EXPIRE = 2, 928 IEEE80211_REASON_AUTH_LEAVE = 3, 929 IEEE80211_REASON_ASSOC_EXPIRE = 4, 930 IEEE80211_REASON_ASSOC_TOOMANY = 5, 931 IEEE80211_REASON_NOT_AUTHED = 6, 932 IEEE80211_REASON_NOT_ASSOCED = 7, 933 IEEE80211_REASON_ASSOC_LEAVE = 8, 934 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 935 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 936 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 937 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 938 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 939 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 940 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 941 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 942 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 943 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 944 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 945 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 946 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 947 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 948 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 949 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 950 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 951 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 952 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 953 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 954 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 955 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 956 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 957 958 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 959 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 960 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 961 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 962 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 963 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 964 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 965 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 966 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 967 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 968 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 969 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 970 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 971 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 972 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 973 974 IEEE80211_STATUS_SUCCESS = 0, 975 IEEE80211_STATUS_UNSPECIFIED = 1, 976 IEEE80211_STATUS_CAPINFO = 10, 977 IEEE80211_STATUS_NOT_ASSOCED = 11, 978 IEEE80211_STATUS_OTHER = 12, 979 IEEE80211_STATUS_ALG = 13, 980 IEEE80211_STATUS_SEQUENCE = 14, 981 IEEE80211_STATUS_CHALLENGE = 15, 982 IEEE80211_STATUS_TIMEOUT = 16, 983 IEEE80211_STATUS_TOOMANY = 17, 984 IEEE80211_STATUS_BASIC_RATE = 18, 985 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 986 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 987 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 988 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 989 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 990 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 991 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 992 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 993 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 994 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 995 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 996 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 997 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 998 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 999 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1000 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1001 }; 1002 1003 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1004 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1005 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1006 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1007 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1008 IEEE80211_WEP_KIDLEN + \ 1009 IEEE80211_WEP_CRCLEN) 1010 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 1011 1012 /* 1013 * 802.11i defines an extended IV for use with non-WEP ciphers. 1014 * When the EXTIV bit is set in the key id byte an additional 1015 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1016 * EXTIV bit is likewise set but the 8 bytes represent the 1017 * CCMP header rather than IV+extended-IV. 1018 */ 1019 #define IEEE80211_WEP_EXTIV 0x20 1020 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1021 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1022 1023 #define IEEE80211_CRC_LEN 4 1024 1025 /* 1026 * Maximum acceptable MTU is: 1027 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1028 * QoS overhead - RSN/WPA overhead 1029 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1030 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1031 */ 1032 #define IEEE80211_MTU_MAX 2290 1033 #define IEEE80211_MTU_MIN 32 1034 1035 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1036 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1037 #define IEEE80211_ACK_LEN \ 1038 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1039 #define IEEE80211_MIN_LEN \ 1040 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1041 1042 /* 1043 * The 802.11 spec says at most 2007 stations may be 1044 * associated at once. For most AP's this is way more 1045 * than is feasible so we use a default of IEEE80211_AID_DEF. 1046 * This number may be overridden by the driver and/or by 1047 * user configuration but may not be less than IEEE80211_AID_MIN 1048 * (see _ieee80211.h for implementation-specific settings). 1049 */ 1050 #define IEEE80211_AID_MAX 2007 1051 1052 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1053 1054 /* 1055 * RTS frame length parameters. The default is specified in 1056 * the 802.11 spec as 512; we treat it as implementation-dependent 1057 * so it's defined in ieee80211_var.h. The max may be wrong 1058 * for jumbo frames. 1059 */ 1060 #define IEEE80211_RTS_MIN 1 1061 #define IEEE80211_RTS_MAX 2346 1062 1063 /* 1064 * TX fragmentation parameters. As above for RTS, we treat 1065 * default as implementation-dependent so define it elsewhere. 1066 */ 1067 #define IEEE80211_FRAG_MIN 256 1068 #define IEEE80211_FRAG_MAX 2346 1069 1070 /* 1071 * Beacon interval (TU's). Min+max come from WiFi requirements. 1072 * As above, we treat default as implementation-dependent so 1073 * define it elsewhere. 1074 */ 1075 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1076 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1077 1078 /* 1079 * DTIM period (beacons). Min+max are not really defined 1080 * by the protocol but we want them publicly visible so 1081 * define them here. 1082 */ 1083 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1084 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1085 1086 /* 1087 * Beacon miss threshold (beacons). As for DTIM, we define 1088 * them here to be publicly visible. Note the max may be 1089 * clamped depending on device capabilities. 1090 */ 1091 #define IEEE80211_HWBMISS_MIN 1 1092 #define IEEE80211_HWBMISS_MAX 255 1093 1094 /* 1095 * 802.11 frame duration definitions. 1096 */ 1097 1098 struct ieee80211_duration { 1099 uint16_t d_rts_dur; 1100 uint16_t d_data_dur; 1101 uint16_t d_plcp_len; 1102 uint8_t d_residue; /* unused octets in time slot */ 1103 }; 1104 1105 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1106 #define IEEE80211_DUR_TU 1024 1107 1108 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1109 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1110 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1111 1112 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1113 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1114 #define IEEE80211_DUR_DS_SLOW_ACK 112 1115 #define IEEE80211_DUR_DS_FAST_ACK 56 1116 #define IEEE80211_DUR_DS_SLOW_CTS 112 1117 #define IEEE80211_DUR_DS_FAST_CTS 56 1118 1119 #define IEEE80211_DUR_DS_SLOT 20 1120 #define IEEE80211_DUR_DS_SIFS 10 1121 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1122 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1123 2 * IEEE80211_DUR_DS_SLOT) 1124 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1125 IEEE80211_DUR_DS_SLOW_ACK + \ 1126 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1127 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1128 IEEE80211_DUR_DIFS) 1129 1130 #endif /* _NET80211_IEEE80211_H_ */ 1131