1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 #ifndef _NET80211_IEEE80211_H_ 31 #define _NET80211_IEEE80211_H_ 32 33 /* 34 * 802.11 protocol definitions. 35 */ 36 37 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 38 /* is 802.11 address multicast/broadcast? */ 39 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 40 41 #ifdef _KERNEL 42 extern const uint8_t ieee80211broadcastaddr[]; 43 #endif 44 45 typedef uint16_t ieee80211_seq; 46 47 /* IEEE 802.11 PLCP header */ 48 struct ieee80211_plcp_hdr { 49 uint16_t i_sfd; 50 uint8_t i_signal; 51 uint8_t i_service; 52 uint16_t i_length; 53 uint16_t i_crc; 54 } __packed; 55 56 #define IEEE80211_PLCP_SFD 0xF3A0 57 #define IEEE80211_PLCP_SERVICE 0x00 58 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04 59 #define IEEE80211_PLCL_SERVICE_PBCC 0x08 60 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 61 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 62 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 63 64 /* 65 * generic definitions for IEEE 802.11 frames 66 */ 67 struct ieee80211_frame { 68 uint8_t i_fc[2]; 69 uint8_t i_dur[2]; 70 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 71 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 72 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 73 uint8_t i_seq[2]; 74 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 75 /* see below */ 76 } __packed; 77 78 struct ieee80211_qosframe { 79 uint8_t i_fc[2]; 80 uint8_t i_dur[2]; 81 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 82 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 83 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 84 uint8_t i_seq[2]; 85 uint8_t i_qos[2]; 86 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 87 /* see below */ 88 } __packed; 89 90 struct ieee80211_qoscntl { 91 uint8_t i_qos[2]; 92 }; 93 94 struct ieee80211_frame_addr4 { 95 uint8_t i_fc[2]; 96 uint8_t i_dur[2]; 97 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 98 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 99 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 100 uint8_t i_seq[2]; 101 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 102 } __packed; 103 104 struct ieee80211_qosframe_addr4 { 105 uint8_t i_fc[2]; 106 uint8_t i_dur[2]; 107 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 108 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 109 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 110 uint8_t i_seq[2]; 111 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 112 uint8_t i_qos[2]; 113 } __packed; 114 115 #define IEEE80211_FC0_VERSION_MASK 0x03 116 #define IEEE80211_FC0_VERSION_SHIFT 0 117 #define IEEE80211_FC0_VERSION_0 0x00 118 #define IEEE80211_FC0_TYPE_MASK 0x0c 119 #define IEEE80211_FC0_TYPE_SHIFT 2 120 #define IEEE80211_FC0_TYPE_MGT 0x00 121 #define IEEE80211_FC0_TYPE_CTL 0x04 122 #define IEEE80211_FC0_TYPE_DATA 0x08 123 124 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 125 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 126 /* for TYPE_MGT */ 127 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 128 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 129 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 130 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 131 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 132 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 133 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60 134 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 135 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 136 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 137 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 138 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 139 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 140 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 141 /* for TYPE_CTL */ 142 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70 143 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 144 #define IEEE80211_FC0_SUBTYPE_BA 0x90 145 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 146 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 147 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 148 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 149 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 150 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 151 /* for TYPE_DATA (bit combination) */ 152 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 153 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 154 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 155 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 156 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 157 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 158 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 159 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 160 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 161 #define IEEE80211_FC0_SUBTYPE_QOS_CFACK 0x90 162 #define IEEE80211_FC0_SUBTYPE_QOS_CFPOLL 0xa0 163 #define IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL 0xb0 164 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 165 166 #define IEEE80211_IS_MGMT(wh) \ 167 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 168 == IEEE80211_FC0_TYPE_MGT)) 169 #define IEEE80211_IS_CTL(wh) \ 170 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 171 == IEEE80211_FC0_TYPE_CTL)) 172 #define IEEE80211_IS_DATA(wh) \ 173 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 174 == IEEE80211_FC0_TYPE_DATA)) 175 176 #define IEEE80211_FC0_QOSDATA \ 177 (IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_VERSION_0) 178 179 #define IEEE80211_IS_QOSDATA(wh) \ 180 ((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA) 181 182 #define IEEE80211_FC1_DIR_MASK 0x03 183 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 184 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 185 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 186 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 187 188 #define IEEE80211_IS_DSTODS(wh) \ 189 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 190 191 #define IEEE80211_FC1_MORE_FRAG 0x04 192 #define IEEE80211_FC1_RETRY 0x08 193 #define IEEE80211_FC1_PWR_MGT 0x10 194 #define IEEE80211_FC1_MORE_DATA 0x20 195 #define IEEE80211_FC1_PROTECTED 0x40 196 #define IEEE80211_FC1_ORDER 0x80 197 198 #define IEEE80211_HAS_SEQ(type, subtype) \ 199 ((type) != IEEE80211_FC0_TYPE_CTL && \ 200 !((type) == IEEE80211_FC0_TYPE_DATA && \ 201 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 202 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 203 #define IEEE80211_SEQ_FRAG_MASK 0x000f 204 #define IEEE80211_SEQ_FRAG_SHIFT 0 205 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 206 #define IEEE80211_SEQ_SEQ_SHIFT 4 207 #define IEEE80211_SEQ_RANGE 4096 208 209 #define IEEE80211_SEQ_ADD(seq, incr) \ 210 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 211 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 212 #define IEEE80211_SEQ_SUB(a, b) \ 213 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 214 215 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 216 #define IEEE80211_SEQ_BA_BEFORE(a, b) \ 217 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 218 219 #define IEEE80211_NWID_LEN 32 220 #define IEEE80211_MESHID_LEN 32 221 222 #define IEEE80211_QOS_CTL_LEN 2 223 224 #define IEEE80211_QOS_TXOP 0x00ff 225 /* bit 8 is reserved */ 226 #define IEEE80211_QOS_AMSDU 0x80 227 #define IEEE80211_QOS_AMSDU_S 7 228 #define IEEE80211_QOS_ACKPOLICY 0x60 229 #define IEEE80211_QOS_ACKPOLICY_S 5 230 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 231 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 232 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 233 #define IEEE80211_QOS_EOSP_S 4 234 #define IEEE80211_QOS_TID 0x0f 235 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 236 #define IEEE80211_QOS_MC 0x01 /* Mesh control */ 237 /* Mesh power save level*/ 238 #define IEEE80211_QOS_MESH_PSL 0x02 239 /* Mesh Receiver Service Period Initiated */ 240 #define IEEE80211_QOS_RSPI 0x04 241 /* bits 11 to 15 reserved */ 242 243 /* does frame have QoS sequence control data */ 244 #define IEEE80211_QOS_HAS_SEQ(wh) \ 245 (((wh)->i_fc[0] & \ 246 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 247 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 248 249 /* 250 * WME/802.11e information element. 251 */ 252 struct ieee80211_wme_info { 253 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 254 uint8_t wme_len; /* length in bytes */ 255 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 256 uint8_t wme_type; /* OUI type */ 257 uint8_t wme_subtype; /* OUI subtype */ 258 uint8_t wme_version; /* spec revision */ 259 uint8_t wme_info; /* QoS info */ 260 } __packed; 261 262 /* 263 * WME/802.11e Tspec Element 264 */ 265 struct ieee80211_wme_tspec { 266 uint8_t ts_id; 267 uint8_t ts_len; 268 uint8_t ts_oui[3]; 269 uint8_t ts_oui_type; 270 uint8_t ts_oui_subtype; 271 uint8_t ts_version; 272 uint8_t ts_tsinfo[3]; 273 uint8_t ts_nom_msdu[2]; 274 uint8_t ts_max_msdu[2]; 275 uint8_t ts_min_svc[4]; 276 uint8_t ts_max_svc[4]; 277 uint8_t ts_inactv_intv[4]; 278 uint8_t ts_susp_intv[4]; 279 uint8_t ts_start_svc[4]; 280 uint8_t ts_min_rate[4]; 281 uint8_t ts_mean_rate[4]; 282 uint8_t ts_max_burst[4]; 283 uint8_t ts_min_phy[4]; 284 uint8_t ts_peak_rate[4]; 285 uint8_t ts_delay[4]; 286 uint8_t ts_surplus[2]; 287 uint8_t ts_medium_time[2]; 288 } __packed; 289 290 /* 291 * WME AC parameter field 292 */ 293 struct ieee80211_wme_acparams { 294 uint8_t acp_aci_aifsn; 295 uint8_t acp_logcwminmax; 296 uint16_t acp_txop; 297 } __packed; 298 299 #define WME_NUM_AC 4 /* 4 AC categories */ 300 #define WME_NUM_TID 16 /* 16 tids */ 301 302 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 303 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 304 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 305 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 306 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 307 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 308 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 309 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 310 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 311 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 312 313 #define WME_AC_TO_TID(_ac) ( \ 314 ((_ac) == WME_AC_VO) ? 6 : \ 315 ((_ac) == WME_AC_VI) ? 5 : \ 316 ((_ac) == WME_AC_BK) ? 1 : \ 317 0) 318 319 #define TID_TO_WME_AC(_tid) ( \ 320 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 321 ((_tid) < 3) ? WME_AC_BK : \ 322 ((_tid) < 6) ? WME_AC_VI : \ 323 WME_AC_VO) 324 325 /* 326 * WME Parameter Element 327 */ 328 struct ieee80211_wme_param { 329 uint8_t param_id; 330 uint8_t param_len; 331 uint8_t param_oui[3]; 332 uint8_t param_oui_type; 333 uint8_t param_oui_subtype; 334 uint8_t param_version; 335 uint8_t param_qosInfo; 336 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 337 uint8_t param_reserved; 338 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 339 } __packed; 340 341 /* 342 * WME U-APSD qos info field defines 343 */ 344 #define WME_CAPINFO_UAPSD_EN 0x00000080 345 #define WME_CAPINFO_UAPSD_VO 0x00000001 346 #define WME_CAPINFO_UAPSD_VI 0x00000002 347 #define WME_CAPINFO_UAPSD_BK 0x00000004 348 #define WME_CAPINFO_UAPSD_BE 0x00000008 349 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0 350 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF 351 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5 352 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3 353 #define WME_CAPINFO_IE_OFFSET 8 354 #define WME_UAPSD_MAXSP(_qosinfo) \ 355 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \ 356 WME_CAPINFO_UAPSD_MAXSP_MASK) 357 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \ 358 ((1 << (3 - (_ac))) & ( \ 359 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \ 360 WME_CAPINFO_UAPSD_ACFLAGS_MASK)) 361 362 /* 363 * Management Notification Frame 364 */ 365 struct ieee80211_mnf { 366 uint8_t mnf_category; 367 uint8_t mnf_action; 368 uint8_t mnf_dialog; 369 uint8_t mnf_status; 370 } __packed; 371 #define MNF_SETUP_REQ 0 372 #define MNF_SETUP_RESP 1 373 #define MNF_TEARDOWN 2 374 375 /* 376 * 802.11n Management Action Frames 377 */ 378 /* generic frame format */ 379 struct ieee80211_action { 380 uint8_t ia_category; 381 uint8_t ia_action; 382 } __packed; 383 384 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 385 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 386 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 387 #define IEEE80211_ACTION_CAT_BA 3 /* BA */ 388 #define IEEE80211_ACTION_CAT_HT 7 /* HT */ 389 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 390 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 391 /* 16 - 125 reserved */ 392 #define IEEE80211_ACTION_CAT_VHT 21 393 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 394 395 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 396 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 397 398 /* HT - recommended transmission channel width */ 399 struct ieee80211_action_ht_txchwidth { 400 struct ieee80211_action at_header; 401 uint8_t at_chwidth; 402 } __packed; 403 404 #define IEEE80211_A_HT_TXCHWIDTH_20 0 405 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 406 407 /* HT - MIMO Power Save (NB: D2.04) */ 408 struct ieee80211_action_ht_mimopowersave { 409 struct ieee80211_action am_header; 410 uint8_t am_control; 411 } __packed; 412 413 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 414 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 415 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 416 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 417 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 418 /* bits 2-7 reserved */ 419 420 /* Block Ack actions */ 421 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 422 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 423 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 424 425 /* Block Ack Parameter Set */ 426 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 427 #define IEEE80211_BAPS_BUFSIZ_S 6 428 #define IEEE80211_BAPS_TID 0x003c /* TID */ 429 #define IEEE80211_BAPS_TID_S 2 430 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 431 #define IEEE80211_BAPS_POLICY_S 1 432 #define IEEE80211_BAPS_AMSDU 0x0001 /* A-MSDU permitted */ 433 #define IEEE80211_BAPS_AMSDU_S 0 434 435 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 436 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 437 438 /* Block Ack Sequence Control */ 439 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 440 #define IEEE80211_BASEQ_START_S 4 441 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 442 #define IEEE80211_BASEQ_FRAG_S 0 443 444 /* Delayed Block Ack Parameter Set */ 445 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 446 #define IEEE80211_DELBAPS_TID_S 12 447 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 448 #define IEEE80211_DELBAPS_INIT_S 11 449 450 /* BA - ADDBA request */ 451 struct ieee80211_action_ba_addbarequest { 452 struct ieee80211_action rq_header; 453 uint8_t rq_dialogtoken; 454 uint16_t rq_baparamset; 455 uint16_t rq_batimeout; /* in TUs */ 456 uint16_t rq_baseqctl; 457 } __packed; 458 459 /* BA - ADDBA response */ 460 struct ieee80211_action_ba_addbaresponse { 461 struct ieee80211_action rs_header; 462 uint8_t rs_dialogtoken; 463 uint16_t rs_statuscode; 464 uint16_t rs_baparamset; 465 uint16_t rs_batimeout; /* in TUs */ 466 } __packed; 467 468 /* BA - DELBA */ 469 struct ieee80211_action_ba_delba { 470 struct ieee80211_action dl_header; 471 uint16_t dl_baparamset; 472 uint16_t dl_reasoncode; 473 } __packed; 474 475 /* BAR Control */ 476 #define IEEE80211_BAR_TID 0xf000 /* TID */ 477 #define IEEE80211_BAR_TID_S 12 478 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 479 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 480 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 481 482 /* BAR Starting Sequence Control */ 483 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 484 #define IEEE80211_BAR_SEQ_START_S 4 485 486 struct ieee80211_ba_request { 487 uint16_t rq_barctl; 488 uint16_t rq_barseqctl; 489 } __packed; 490 491 /* 492 * Control frames. 493 */ 494 struct ieee80211_frame_min { 495 uint8_t i_fc[2]; 496 uint8_t i_dur[2]; 497 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 498 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 499 /* FCS */ 500 } __packed; 501 502 struct ieee80211_frame_rts { 503 uint8_t i_fc[2]; 504 uint8_t i_dur[2]; 505 uint8_t i_ra[IEEE80211_ADDR_LEN]; 506 uint8_t i_ta[IEEE80211_ADDR_LEN]; 507 /* FCS */ 508 } __packed; 509 510 struct ieee80211_frame_cts { 511 uint8_t i_fc[2]; 512 uint8_t i_dur[2]; 513 uint8_t i_ra[IEEE80211_ADDR_LEN]; 514 /* FCS */ 515 } __packed; 516 517 struct ieee80211_frame_ack { 518 uint8_t i_fc[2]; 519 uint8_t i_dur[2]; 520 uint8_t i_ra[IEEE80211_ADDR_LEN]; 521 /* FCS */ 522 } __packed; 523 524 struct ieee80211_frame_pspoll { 525 uint8_t i_fc[2]; 526 uint8_t i_aid[2]; 527 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 528 uint8_t i_ta[IEEE80211_ADDR_LEN]; 529 /* FCS */ 530 } __packed; 531 532 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 533 uint8_t i_fc[2]; 534 uint8_t i_dur[2]; /* should be zero */ 535 uint8_t i_ra[IEEE80211_ADDR_LEN]; 536 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 537 /* FCS */ 538 } __packed; 539 540 struct ieee80211_frame_bar { 541 uint8_t i_fc[2]; 542 uint8_t i_dur[2]; 543 uint8_t i_ra[IEEE80211_ADDR_LEN]; 544 uint8_t i_ta[IEEE80211_ADDR_LEN]; 545 uint16_t i_ctl; 546 uint16_t i_seq; 547 /* FCS */ 548 } __packed; 549 550 /* 551 * BEACON management packets 552 * 553 * octet timestamp[8] 554 * octet beacon interval[2] 555 * octet capability information[2] 556 * information element 557 * octet elemid 558 * octet length 559 * octet information[length] 560 */ 561 562 #define IEEE80211_BEACON_INTERVAL(beacon) \ 563 ((beacon)[8] | ((beacon)[9] << 8)) 564 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 565 ((beacon)[10] | ((beacon)[11] << 8)) 566 567 #define IEEE80211_CAPINFO_ESS 0x0001 568 #define IEEE80211_CAPINFO_IBSS 0x0002 569 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 570 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 571 #define IEEE80211_CAPINFO_PRIVACY 0x0010 572 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 573 #define IEEE80211_CAPINFO_PBCC 0x0040 574 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 575 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 576 /* bit 9 is reserved */ 577 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 578 #define IEEE80211_CAPINFO_RSN 0x0800 579 /* bit 12 is reserved */ 580 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 581 /* bits 14-15 are reserved */ 582 583 #define IEEE80211_CAPINFO_BITS \ 584 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 585 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 586 "\16DSSOFDM" 587 588 /* 589 * 802.11i/WPA information element (maximally sized). 590 */ 591 struct ieee80211_ie_wpa { 592 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 593 uint8_t wpa_len; /* length in bytes */ 594 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 595 uint8_t wpa_type; /* OUI type */ 596 uint16_t wpa_version; /* spec revision */ 597 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 598 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 599 uint32_t wpa_uciphers[8];/* ciphers */ 600 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 601 uint32_t wpa_authsels[8];/* selectors */ 602 uint16_t wpa_caps; /* 802.11i capabilities */ 603 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 604 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 605 } __packed; 606 607 /* 608 * 802.11n HT Capability IE 609 * NB: these reflect D1.10 610 */ 611 struct ieee80211_ie_htcap { 612 uint8_t hc_id; /* element ID */ 613 uint8_t hc_len; /* length in bytes */ 614 uint16_t hc_cap; /* HT caps (see below) */ 615 uint8_t hc_param; /* HT params (see below) */ 616 uint8_t hc_mcsset[16]; /* supported MCS set */ 617 uint16_t hc_extcap; /* extended HT capabilities */ 618 uint32_t hc_txbf; /* txbf capabilities */ 619 uint8_t hc_antenna; /* antenna capabilities */ 620 } __packed; 621 622 /* HT capability flags (ht_cap) */ 623 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */ 624 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 625 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 626 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 627 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 628 /* NB: SMPS value 2 is reserved */ 629 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 630 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 631 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 632 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 633 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 634 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 635 #define IEEE80211_HTCAP_RXSTBC_S 8 636 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 637 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 638 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 639 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 640 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 641 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 642 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 643 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 644 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 645 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 646 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 647 648 #define IEEE80211_HTCAP_BITS \ 649 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 650 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 651 "\20LSIGTXOPPROT" 652 653 /* HT parameters (hc_param) */ 654 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 655 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 656 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 657 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 658 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 659 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 660 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 661 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 662 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 663 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 664 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 665 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 666 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 667 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 668 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 669 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 670 671 /* HT extended capabilities (hc_extcap) */ 672 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 673 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 674 #define IEEE80211_HTCAP_PCOTRANS_S 1 675 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 676 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 677 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 678 /* bits 3-7 reserved */ 679 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 680 #define IEEE80211_HTCAP_MCSFBACK_S 8 681 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 682 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 683 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 684 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 685 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 686 /* bits 12-15 reserved */ 687 688 /* 689 * 802.11n HT Information IE 690 */ 691 struct ieee80211_ie_htinfo { 692 uint8_t hi_id; /* element ID */ 693 uint8_t hi_len; /* length in bytes */ 694 uint8_t hi_ctrlchannel; /* primary channel */ 695 uint8_t hi_byte1; /* ht ie byte 1 */ 696 uint8_t hi_byte2; /* ht ie byte 2 */ 697 uint8_t hi_byte3; /* ht ie byte 3 */ 698 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 699 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 700 } __packed; 701 702 /* byte1 */ 703 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 704 #define IEEE80211_HTINFO_2NDCHAN_S 0 705 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 706 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 707 /* NB: 2 is reserved */ 708 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 709 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 710 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 711 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 712 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 713 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 714 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 715 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 716 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 717 #define IEEE80211_HTINFO_SIGRAN_S 5 718 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 719 /* XXX add rest */ 720 721 /* bytes 2+3 */ 722 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 723 #define IEEE80211_HTINFO_OPMODE_S 0 724 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 725 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 726 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 727 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 728 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 729 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 730 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 731 /* bits 5-15 reserved */ 732 733 /* bytes 4+5 */ 734 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 735 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 736 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 737 #define IEEE80211_HTINFO_40MHZPHASE 0x08 738 739 /* byte5 */ 740 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 741 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 742 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 743 744 /* 745 * 802.11ac definitions - 802.11ac-2013 . 746 */ 747 748 /* 749 * Maximum length of A-MPDU that the STA can RX in VHT. 750 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 751 */ 752 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0 753 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1 754 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2 755 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3 756 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4 757 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5 758 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6 759 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7 760 761 /* 762 * VHT MCS information. 763 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU 764 * data rate. 1Mbit/sec units. 765 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS; 766 * 2 bits each. 767 */ 768 #define IEEE80211_VHT_MCS_SUPPORT_0_7 0 /* MCS0-7 */ 769 #define IEEE80211_VHT_MCS_SUPPORT_0_8 1 /* MCS0-8 */ 770 #define IEEE80211_VHT_MCS_SUPPORT_0_9 2 /* MCS0-9 */ 771 #define IEEE80211_VHT_MCS_NOT_SUPPORTED 3 /* not supported */ 772 773 struct ieee80211_vht_mcs_info { 774 uint16_t rx_mcs_map; 775 uint16_t rx_highest; 776 uint16_t tx_mcs_map; 777 uint16_t tx_highest; 778 } __packed; 779 780 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */ 781 struct ieee80211_ie_vhtcap { 782 uint8_t ie; 783 uint8_t len; 784 uint32_t vht_cap_info; 785 struct ieee80211_vht_mcs_info supp_mcs; 786 } __packed; 787 788 /* VHT operation mode subfields - 802.11ac-2013 Table 8.183x */ 789 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */ 790 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */ 791 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */ 792 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */ 793 794 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */ 795 struct ieee80211_ie_vht_operation { 796 uint8_t ie; 797 uint8_t len; 798 uint8_t chan_width; 799 uint8_t center_freq_seg1_idx; 800 uint8_t center_freq_seg2_idx; 801 uint16_t basic_mcs_set; 802 } __packed; 803 804 /* 802.11ac VHT Capabilities */ 805 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000 806 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 807 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 808 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 809 #define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0 810 811 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 812 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2 813 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0 814 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1 815 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2 816 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3 817 818 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps) \ 819 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \ 820 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ) 821 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps) \ 822 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \ 823 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ) 824 825 #define IEEE80211_VHTCAP_RXLDPC 0x00000010 826 #define IEEE80211_VHTCAP_RXLDPC_S 4 827 828 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 829 #define IEEE80211_VHTCAP_SHORT_GI_80_S 5 830 831 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 832 #define IEEE80211_VHTCAP_SHORT_GI_160_S 6 833 834 #define IEEE80211_VHTCAP_TXSTBC 0x00000080 835 #define IEEE80211_VHTCAP_TXSTBC_S 7 836 837 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 838 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 839 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 840 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 841 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 842 #define IEEE80211_VHTCAP_RXSTBC_MASK_S 8 843 844 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 845 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11 846 847 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 848 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12 849 850 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 851 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ 852 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) 853 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13 854 855 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 856 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ 857 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) 858 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16 859 860 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 861 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19 862 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 863 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20 864 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 865 #define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21 866 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000 867 #define IEEE80211_VHTCAP_HTC_VHT_S 22 868 869 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 870 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 871 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 872 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23 873 874 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000 875 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 876 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 877 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26 878 879 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 880 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28 881 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 882 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29 883 884 /* 885 * XXX TODO: add the rest of the bits 886 */ 887 #define IEEE80211_VHTCAP_BITS \ 888 "\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \ 889 "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \ 890 "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN" 891 892 /* 893 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164 894 * 895 * This defines the maximum transmit power for various bandwidths. 896 */ 897 /* 898 * Count is how many elements follow and what they're for: 899 * 900 * 0 - 20 MHz 901 * 1 - 20+40 MHz 902 * 2 - 20+40+80 MHz 903 * 3 - 20+40+80+(160, 80+80) MHz 904 */ 905 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0 906 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07 907 908 /* 909 * Unit is the tx power representation. It should be EIRP for now; 910 * other values are reserved. 911 */ 912 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38 913 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3 914 915 /* This value is within the unit mask/shift above */ 916 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0 917 918 struct ieee80211_ie_vht_txpwrenv { 919 uint8_t ie; 920 uint8_t len; 921 uint8_t tx_info; 922 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */ 923 }; 924 925 /* VHT action codes */ 926 #define WLAN_ACTION_VHT_COMPRESSED_BF 0 927 #define WLAN_ACTION_VHT_GROUPID_MGMT 1 928 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2 929 930 /* 931 * Management information element payloads. 932 */ 933 934 enum { 935 IEEE80211_ELEMID_SSID = 0, 936 IEEE80211_ELEMID_RATES = 1, 937 IEEE80211_ELEMID_FHPARMS = 2, 938 IEEE80211_ELEMID_DSPARMS = 3, 939 IEEE80211_ELEMID_CFPARMS = 4, 940 IEEE80211_ELEMID_TIM = 5, 941 IEEE80211_ELEMID_IBSSPARMS = 6, 942 IEEE80211_ELEMID_COUNTRY = 7, 943 IEEE80211_ELEMID_BSSLOAD = 11, 944 IEEE80211_ELEMID_TSPEC = 13, 945 IEEE80211_ELEMID_TCLAS = 14, 946 IEEE80211_ELEMID_CHALLENGE = 16, 947 /* 17-31 reserved for challenge text extension */ 948 IEEE80211_ELEMID_PWRCNSTR = 32, 949 IEEE80211_ELEMID_PWRCAP = 33, 950 IEEE80211_ELEMID_TPCREQ = 34, 951 IEEE80211_ELEMID_TPCREP = 35, 952 IEEE80211_ELEMID_SUPPCHAN = 36, 953 IEEE80211_ELEMID_CSA = 37, 954 IEEE80211_ELEMID_MEASREQ = 38, 955 IEEE80211_ELEMID_MEASREP = 39, 956 IEEE80211_ELEMID_QUIET = 40, 957 IEEE80211_ELEMID_IBSSDFS = 41, 958 IEEE80211_ELEMID_ERP = 42, 959 IEEE80211_ELEMID_HTCAP = 45, 960 IEEE80211_ELEMID_QOS = 46, 961 IEEE80211_ELEMID_RESERVED_47 = 47, 962 IEEE80211_ELEMID_RSN = 48, 963 IEEE80211_ELEMID_XRATES = 50, 964 IEEE80211_ELEMID_APCHANREP = 51, 965 IEEE80211_ELEMID_MOBILITY_DOMAIN = 54, 966 IEEE80211_ELEMID_HTINFO = 61, 967 IEEE80211_ELEMID_SECCHAN_OFFSET = 62, 968 IEEE80211_ELEMID_RRM_ENACAPS = 70, 969 IEEE80211_ELEMID_MULTIBSSID = 71, 970 IEEE80211_ELEMID_COEX_2040 = 72, 971 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73, 972 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74, 973 IEEE80211_ELEMID_TSF_REQ = 91, 974 IEEE80211_ELEMID_TSF_RESP = 92, 975 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93, 976 IEEE80211_ELEMID_TIM_BCAST_REQ = 94, 977 IEEE80211_ELEMID_TIM_BCAST_RESP = 95, 978 IEEE80211_ELEMID_TPC = 150, 979 IEEE80211_ELEMID_CCKM = 156, 980 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 981 982 /* 983 * 802.11s IEs 984 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 985 * but they defined a new with id 117 called PEER_MGMT. 986 * NB: complies with open80211 987 */ 988 IEEE80211_ELEMID_MESHCONF = 113, 989 IEEE80211_ELEMID_MESHID = 114, 990 IEEE80211_ELEMID_MESHLINK = 115, 991 IEEE80211_ELEMID_MESHCNGST = 116, 992 IEEE80211_ELEMID_MESHPEER = 117, 993 IEEE80211_ELEMID_MESHCSA = 118, 994 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 995 IEEE80211_ELEMID_MESHAWAKEW = 119, 996 IEEE80211_ELEMID_MESHBEACONT = 120, 997 /* 121-124 MMCAOP not implemented yet */ 998 IEEE80211_ELEMID_MESHGANN = 125, 999 IEEE80211_ELEMID_MESHRANN = 126, 1000 /* 127 Extended Capabilities */ 1001 IEEE80211_ELEMID_EXTCAP = 127, 1002 /* 128-129 reserved */ 1003 IEEE80211_ELEMID_MESHPREQ = 130, 1004 IEEE80211_ELEMID_MESHPREP = 131, 1005 IEEE80211_ELEMID_MESHPERR = 132, 1006 /* 133-136 reserved */ 1007 IEEE80211_ELEMID_MESHPXU = 137, 1008 IEEE80211_ELEMID_MESHPXUC = 138, 1009 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 1010 1011 /* 802.11ac */ 1012 IEEE80211_ELEMID_VHT_CAP = 191, 1013 IEEE80211_ELEMID_VHT_OPMODE = 192, 1014 IEEE80211_ELEMID_VHT_PWR_ENV = 195, 1015 }; 1016 1017 struct ieee80211_tim_ie { 1018 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 1019 uint8_t tim_len; 1020 uint8_t tim_count; /* DTIM count */ 1021 uint8_t tim_period; /* DTIM period */ 1022 uint8_t tim_bitctl; /* bitmap control */ 1023 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 1024 } __packed; 1025 1026 struct ieee80211_country_ie { 1027 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 1028 uint8_t len; 1029 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 1030 struct { 1031 uint8_t schan; /* starting channel */ 1032 uint8_t nchan; /* number channels */ 1033 uint8_t maxtxpwr; /* tx power cap */ 1034 } __packed band[1]; /* sub bands (NB: var size) */ 1035 } __packed; 1036 1037 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 1038 #define IEEE80211_COUNTRY_MAX_SIZE \ 1039 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 1040 1041 struct ieee80211_bss_load_ie { 1042 uint8_t ie; 1043 uint8_t len; 1044 uint16_t sta_count; /* station count */ 1045 uint8_t chan_load; /* channel utilization */ 1046 uint8_t aac; /* available admission capacity */ 1047 } __packed; 1048 1049 struct ieee80211_ap_chan_report_ie { 1050 uint8_t ie; 1051 uint8_t len; 1052 uint8_t i_class; /* operating class */ 1053 /* Annex E, E.1 Country information and operating classes */ 1054 uint8_t chan_list[0]; 1055 } __packed; 1056 1057 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */ 1058 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1) 1059 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */ 1060 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3) 1061 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */ 1062 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5) 1063 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6) 1064 #define IEEE80211_EXTCAP_EVENT (1ULL << 7) 1065 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8) 1066 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9) 1067 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10) 1068 #define IEEE80211_EXTCAP_FMS (1ULL << 11) 1069 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12) 1070 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */ 1071 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14) 1072 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15) 1073 #define IEEE80211_EXTCAP_TFS (1ULL << 16) 1074 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17) 1075 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18) 1076 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19) 1077 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20) 1078 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21) 1079 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */ 1080 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23) 1081 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24) 1082 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25) 1083 #define IEEE80211_EXTCAP_DMS (1ULL << 26) 1084 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27) 1085 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */ 1086 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */ 1087 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */ 1088 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31) 1089 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32) 1090 #define IEEE80211_EXTCAP_EBR (1ULL << 33) 1091 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34) 1092 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35) 1093 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36) 1094 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37) 1095 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38) 1096 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */ 1097 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */ 1098 /* service interval granularity */ 1099 #define IEEE80211_EXTCAP_SIG \ 1100 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43)) 1101 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44) 1102 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45) 1103 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46) 1104 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47) 1105 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */ 1106 /* bits 49-n are reserved */ 1107 1108 struct ieee80211_extcap_ie { 1109 uint8_t ie; 1110 uint8_t len; 1111 } __packed; 1112 1113 /* 1114 * 802.11h Quiet Time Element. 1115 */ 1116 struct ieee80211_quiet_ie { 1117 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 1118 uint8_t len; 1119 uint8_t tbttcount; /* quiet start */ 1120 uint8_t period; /* beacon intervals between quiets */ 1121 uint16_t duration; /* TUs of each quiet*/ 1122 uint16_t offset; /* TUs of from TBTT of quiet start */ 1123 } __packed; 1124 1125 /* 1126 * 802.11h Channel Switch Announcement (CSA). 1127 */ 1128 struct ieee80211_csa_ie { 1129 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 1130 uint8_t csa_len; 1131 uint8_t csa_mode; /* Channel Switch Mode */ 1132 uint8_t csa_newchan; /* New Channel Number */ 1133 uint8_t csa_count; /* Channel Switch Count */ 1134 } __packed; 1135 1136 /* 1137 * Note the min acceptable CSA count is used to guard against 1138 * malicious CSA injection in station mode. Defining this value 1139 * as other than 0 violates the 11h spec. 1140 */ 1141 #define IEEE80211_CSA_COUNT_MIN 2 1142 #define IEEE80211_CSA_COUNT_MAX 255 1143 1144 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 1145 #define IEEE80211_RATE_BASIC 0x80 1146 #define IEEE80211_RATE_VAL 0x7f 1147 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 1148 1149 /* ERP information element flags */ 1150 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 1151 #define IEEE80211_ERP_USE_PROTECTION 0x02 1152 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 1153 1154 #define IEEE80211_ERP_BITS \ 1155 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 1156 1157 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 1158 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 1159 1160 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 1161 #define TDMA_OUI ATH_OUI 1162 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 1163 1164 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 1165 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 1166 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 1167 1168 #define WPA_OUI 0xf25000 1169 #define WPA_OUI_TYPE 0x01 1170 #define WPA_VERSION 1 /* current supported version */ 1171 1172 #define WPA_CSE_NULL 0x00 1173 #define WPA_CSE_WEP40 0x01 1174 #define WPA_CSE_TKIP 0x02 1175 #define WPA_CSE_CCMP 0x04 1176 #define WPA_CSE_WEP104 0x05 1177 1178 #define WPA_ASE_NONE 0x00 1179 #define WPA_ASE_8021X_UNSPEC 0x01 1180 #define WPA_ASE_8021X_PSK 0x02 1181 1182 #define WPS_OUI_TYPE 0x04 1183 1184 #define RSN_OUI 0xac0f00 1185 #define RSN_VERSION 1 /* current supported version */ 1186 1187 #define RSN_CSE_NULL 0x00 1188 #define RSN_CSE_WEP40 0x01 1189 #define RSN_CSE_TKIP 0x02 1190 #define RSN_CSE_WRAP 0x03 1191 #define RSN_CSE_CCMP 0x04 1192 #define RSN_CSE_WEP104 0x05 1193 1194 #define RSN_ASE_NONE 0x00 1195 #define RSN_ASE_8021X_UNSPEC 0x01 1196 #define RSN_ASE_8021X_PSK 0x02 1197 1198 #define RSN_CAP_PREAUTH 0x01 1199 1200 #define WME_OUI 0xf25000 1201 #define WME_OUI_TYPE 0x02 1202 #define WME_INFO_OUI_SUBTYPE 0x00 1203 #define WME_PARAM_OUI_SUBTYPE 0x01 1204 #define WME_VERSION 1 1205 1206 /* WME stream classes */ 1207 #define WME_AC_BE 0 /* best effort */ 1208 #define WME_AC_BK 1 /* background */ 1209 #define WME_AC_VI 2 /* video */ 1210 #define WME_AC_VO 3 /* voice */ 1211 1212 /* 1213 * AUTH management packets 1214 * 1215 * octet algo[2] 1216 * octet seq[2] 1217 * octet status[2] 1218 * octet chal.id 1219 * octet chal.length 1220 * octet chal.text[253] NB: 1-253 bytes 1221 */ 1222 1223 /* challenge length for shared key auth */ 1224 #define IEEE80211_CHALLENGE_LEN 128 1225 1226 #define IEEE80211_AUTH_ALG_OPEN 0x0000 1227 #define IEEE80211_AUTH_ALG_SHARED 0x0001 1228 #define IEEE80211_AUTH_ALG_LEAP 0x0080 1229 1230 enum { 1231 IEEE80211_AUTH_OPEN_REQUEST = 1, 1232 IEEE80211_AUTH_OPEN_RESPONSE = 2, 1233 }; 1234 1235 enum { 1236 IEEE80211_AUTH_SHARED_REQUEST = 1, 1237 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 1238 IEEE80211_AUTH_SHARED_RESPONSE = 3, 1239 IEEE80211_AUTH_SHARED_PASS = 4, 1240 }; 1241 1242 /* 1243 * Reason and status codes. 1244 * 1245 * Reason codes are used in management frames to indicate why an 1246 * action took place (e.g. on disassociation). Status codes are 1247 * used in management frames to indicate the result of an operation. 1248 * 1249 * Unlisted codes are reserved 1250 */ 1251 1252 enum { 1253 IEEE80211_REASON_UNSPECIFIED = 1, 1254 IEEE80211_REASON_AUTH_EXPIRE = 2, 1255 IEEE80211_REASON_AUTH_LEAVE = 3, 1256 IEEE80211_REASON_ASSOC_EXPIRE = 4, 1257 IEEE80211_REASON_ASSOC_TOOMANY = 5, 1258 IEEE80211_REASON_NOT_AUTHED = 6, 1259 IEEE80211_REASON_NOT_ASSOCED = 7, 1260 IEEE80211_REASON_ASSOC_LEAVE = 8, 1261 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 1262 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 1263 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 1264 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 1265 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 1266 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 1267 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 1268 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 1269 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 1270 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 1271 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 1272 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 1273 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 1274 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 1275 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 1276 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 1277 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 1278 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 1279 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 1280 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 1281 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 1282 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 1283 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 1284 1285 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 1286 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 1287 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 1288 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 1289 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 1290 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 1291 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 1292 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 1293 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 1294 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 1295 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 1296 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 1297 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 1298 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 1299 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 1300 1301 IEEE80211_STATUS_SUCCESS = 0, 1302 IEEE80211_STATUS_UNSPECIFIED = 1, 1303 IEEE80211_STATUS_CAPINFO = 10, 1304 IEEE80211_STATUS_NOT_ASSOCED = 11, 1305 IEEE80211_STATUS_OTHER = 12, 1306 IEEE80211_STATUS_ALG = 13, 1307 IEEE80211_STATUS_SEQUENCE = 14, 1308 IEEE80211_STATUS_CHALLENGE = 15, 1309 IEEE80211_STATUS_TIMEOUT = 16, 1310 IEEE80211_STATUS_TOOMANY = 17, 1311 IEEE80211_STATUS_BASIC_RATE = 18, 1312 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 1313 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 1314 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 1315 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 1316 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 1317 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 1318 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 1319 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 1320 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 1321 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 1322 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 1323 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 1324 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 1325 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 1326 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1327 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1328 }; 1329 1330 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1331 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1332 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1333 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1334 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1335 IEEE80211_WEP_KIDLEN + \ 1336 IEEE80211_WEP_CRCLEN) 1337 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 1338 1339 /* 1340 * 802.11i defines an extended IV for use with non-WEP ciphers. 1341 * When the EXTIV bit is set in the key id byte an additional 1342 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1343 * EXTIV bit is likewise set but the 8 bytes represent the 1344 * CCMP header rather than IV+extended-IV. 1345 */ 1346 #define IEEE80211_WEP_EXTIV 0x20 1347 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1348 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1349 1350 #define IEEE80211_CRC_LEN 4 1351 1352 /* 1353 * Maximum acceptable MTU is: 1354 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1355 * QoS overhead - RSN/WPA overhead 1356 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1357 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1358 */ 1359 #define IEEE80211_MTU_MAX 2290 1360 #define IEEE80211_MTU_MIN 32 1361 1362 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1363 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1364 #define IEEE80211_ACK_LEN \ 1365 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1366 #define IEEE80211_MIN_LEN \ 1367 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1368 1369 /* 1370 * The 802.11 spec says at most 2007 stations may be 1371 * associated at once. For most AP's this is way more 1372 * than is feasible so we use a default of IEEE80211_AID_DEF. 1373 * This number may be overridden by the driver and/or by 1374 * user configuration but may not be less than IEEE80211_AID_MIN 1375 * (see _ieee80211.h for implementation-specific settings). 1376 */ 1377 #define IEEE80211_AID_MAX 2007 1378 1379 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1380 1381 /* 1382 * RTS frame length parameters. The default is specified in 1383 * the 802.11 spec as 512; we treat it as implementation-dependent 1384 * so it's defined in ieee80211_var.h. The max may be wrong 1385 * for jumbo frames. 1386 */ 1387 #define IEEE80211_RTS_MIN 1 1388 #define IEEE80211_RTS_MAX 2346 1389 1390 /* 1391 * TX fragmentation parameters. As above for RTS, we treat 1392 * default as implementation-dependent so define it elsewhere. 1393 */ 1394 #define IEEE80211_FRAG_MIN 256 1395 #define IEEE80211_FRAG_MAX 2346 1396 1397 /* 1398 * Beacon interval (TU's). Min+max come from WiFi requirements. 1399 * As above, we treat default as implementation-dependent so 1400 * define it elsewhere. 1401 */ 1402 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1403 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1404 1405 /* 1406 * DTIM period (beacons). Min+max are not really defined 1407 * by the protocol but we want them publicly visible so 1408 * define them here. 1409 */ 1410 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1411 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1412 1413 /* 1414 * Beacon miss threshold (beacons). As for DTIM, we define 1415 * them here to be publicly visible. Note the max may be 1416 * clamped depending on device capabilities. 1417 */ 1418 #define IEEE80211_HWBMISS_MIN 1 1419 #define IEEE80211_HWBMISS_MAX 255 1420 1421 /* 1422 * 802.11 frame duration definitions. 1423 */ 1424 1425 struct ieee80211_duration { 1426 uint16_t d_rts_dur; 1427 uint16_t d_data_dur; 1428 uint16_t d_plcp_len; 1429 uint8_t d_residue; /* unused octets in time slot */ 1430 }; 1431 1432 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1433 #define IEEE80211_DUR_TU 1024 1434 1435 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1436 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1437 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1438 1439 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1440 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1441 #define IEEE80211_DUR_DS_SLOW_ACK 112 1442 #define IEEE80211_DUR_DS_FAST_ACK 56 1443 #define IEEE80211_DUR_DS_SLOW_CTS 112 1444 #define IEEE80211_DUR_DS_FAST_CTS 56 1445 1446 #define IEEE80211_DUR_DS_SLOT 20 1447 #define IEEE80211_DUR_DS_SIFS 10 1448 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1449 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1450 2 * IEEE80211_DUR_DS_SLOT) 1451 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1452 IEEE80211_DUR_DS_SLOW_ACK + \ 1453 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1454 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1455 IEEE80211_DUR_DIFS) 1456 1457 #endif /* _NET80211_IEEE80211_H_ */ 1458