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 /* Management */ 121 #define IEEE80211_FC0_TYPE_CTL 0x04 /* Control */ 122 #define IEEE80211_FC0_TYPE_DATA 0x08 /* Data */ 123 #define IEEE80211_FC0_TYPE_EXT 0x0c /* Extension */ 124 125 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 126 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 127 /* 802.11-2020 Table 9-1-Valid type and subtype combinations */ 128 /* For type 00 Management (IEEE80211_FC0_TYPE_MGT) */ 129 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 /* Association Request */ 130 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 /* Association Response */ 131 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 /* Reassociation Request */ 132 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 /* Reassociation Response */ 133 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 /* Probe Request */ 134 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 /* Probe Response */ 135 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60 /* Timing Advertisement */ 136 /* 0111 Reserved 0x70 */ 137 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 /* Beacon */ 138 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 /* ATIM */ 139 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 /* Disassociation */ 140 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 /* Authentication */ 141 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 /* Deauthentication */ 142 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 /* Action */ 143 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* Action No Ack */ 144 /* 1111 Reserved 0xf0 */ 145 /* For type 01 Control (IEEE80211_FC0_TYPE_CTL) */ 146 /* 0000-0001 Reserved 0x00-0x10 */ 147 #define IEEE80211_FC0_SUBTYPE_TRIGGER 0x20 /* Trigger, 80211ax-2021 */ 148 #define IEEE80211_FC0_SUBTYPE_TACK 0x30 /* TACK */ 149 #define IEEE80211_FC0_SUBTYPE_BF_REPORT_POLL 0x40 /* Beamforming Report Poll */ 150 #define IEEE80211_FC0_SUBTYPE_VHT_HE_NDP 0x50 /* VHT/HE NDP Announcement, 80211ac/ax-2013/2021 */ 151 #define IEEE80211_FC0_SUBTYPE_CTL_EXT 0x60 /* Control Frame Extension */ 152 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70 /* Control Wrapper */ 153 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 /* Block Ack Request (BlockAckReq) */ 154 #define IEEE80211_FC0_SUBTYPE_BA 0x90 /* Block Ack (BlockAck) */ 155 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 /* PS-Poll */ 156 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 /* RTS */ 157 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 /* CTS */ 158 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 /* Ack */ 159 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 /* CF-End */ 160 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 /* 1111 Reserved - what was CF_END_ACK? */ 161 /* For type 10 Data (IEEE80211_FC0_TYPE_DATA) */ 162 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 /* Data */ 163 /* 0001-0011 Reserved 0x10-0x30 */ /* Were: CF_ACK, CF_POLL, CF_ACPL */ 164 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 /* Null */ 165 /* 0101-0111 Reserved 0x50-0x70 */ /* Were: CFACK, CFPOLL, CF_ACK_CF_ACK */ 166 #define IEEE80211_FC0_SUBTYPE_QOS_DATA 0x80 /* QoS Data */ 167 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACK 0x90 /* QoS Data +CF-Ack */ 168 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFPOLL 0xa0 /* QoS Data +CF-Poll */ 169 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACKPOLL 0xb0 /* QoS Data +CF-Ack +CF-Poll */ 170 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 /* QoS Null */ 171 /* 1101 Reserved 0xd0 */ 172 #define IEEE80211_FC0_SUBTYPE_QOS_CFPOLL 0xe0 /* QoS CF-Poll */ 173 #define IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL 0xf0 /* QoS CF-Ack +CF-Poll */ 174 /* For type 11 Extension (IEEE80211_FC0_TYPE_EXT) */ 175 #define IEEE80211_FC0_SUBTYPE_DMG_BEACON 0x00 /* DMG Beacon */ 176 #define IEEE80211_FC0_SUBTYPE_S1G_BEACON 0x10 /* S1G Beacon */ 177 /* 0010-1111 Reserved 0x20-0xff */ 178 179 /* 802.11-2020 Table 9-2-Control Frame Extension */ 180 /* Reusing B11..B8, part of FC1 */ 181 #define IEEE80211_CTL_EXT_SECTOR_ACK 0x00 /* Sector Ack, 80211ay-2021 */ 182 #define IEEE80211_CTL_EXT_BA_SCHED 0x01 /* Block Ack Schedule, 80211ay-2021 */ 183 #define IEEE80211_CTL_EXT_POLL 0x02 /* Poll */ 184 #define IEEE80211_CTL_EXT_SPR 0x03 /* SPR */ 185 #define IEEE80211_CTL_EXT_GRANT 0x04 /* Grant */ 186 #define IEEE80211_CTL_EXT_DMG_CTS 0x05 /* DMG CTS */ 187 #define IEEE80211_CTL_EXT_DMG_DTS 0x06 /* DMG DTS */ 188 #define IEEE80211_CTL_EXT_GRANT_ACK 0x07 /* Grant Ack */ 189 #define IEEE80211_CTL_EXT_SSW 0x08 /* SSW */ 190 #define IEEE80211_CTL_EXT_SSW_FBACK 0x09 /* SSW-Feedback */ 191 #define IEEE80211_CTL_EXT_SSW_ACK 0x0a /* SSW-Ack */ 192 #define IEEE80211_CTL_EXT_TDD_BF 0x0b /* TDD Beamforming, 80211ay-2021 */ 193 /* 1100-1111 Reserved 0xc-0xf */ 194 195 #define IEEE80211_IS_MGMT(wh) \ 196 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 197 == IEEE80211_FC0_TYPE_MGT)) 198 #define IEEE80211_IS_CTL(wh) \ 199 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 200 == IEEE80211_FC0_TYPE_CTL)) 201 #define IEEE80211_IS_DATA(wh) \ 202 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 203 == IEEE80211_FC0_TYPE_DATA)) 204 #define IEEE80211_IS_EXT(wh) \ 205 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 206 == IEEE80211_FC0_TYPE_EXT)) 207 208 #define IEEE80211_FC0_QOSDATA \ 209 (IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS_DATA|IEEE80211_FC0_VERSION_0) 210 211 #define IEEE80211_IS_QOSDATA(wh) \ 212 ((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA) 213 214 #define IEEE80211_FC1_DIR_MASK 0x03 215 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 216 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 217 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 218 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 219 220 #define IEEE80211_IS_DSTODS(wh) \ 221 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 222 223 #define IEEE80211_FC1_MORE_FRAG 0x04 224 #define IEEE80211_FC1_RETRY 0x08 225 #define IEEE80211_FC1_PWR_MGT 0x10 226 #define IEEE80211_FC1_MORE_DATA 0x20 227 #define IEEE80211_FC1_PROTECTED 0x40 228 #define IEEE80211_FC1_ORDER 0x80 229 230 #define IEEE80211_IS_PROTECTED(wh) \ 231 ((wh)->i_fc[1] & IEEE80211_FC1_PROTECTED) 232 233 #define IEEE80211_HAS_SEQ(type, subtype) \ 234 ((type) != IEEE80211_FC0_TYPE_CTL && \ 235 !((type) == IEEE80211_FC0_TYPE_DATA && \ 236 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 237 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 238 #define IEEE80211_SEQ_FRAG_MASK 0x000f 239 #define IEEE80211_SEQ_FRAG_SHIFT 0 240 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 241 #define IEEE80211_SEQ_SEQ_SHIFT 4 242 #define IEEE80211_SEQ_RANGE 4096 243 244 #define IEEE80211_SEQ_ADD(seq, incr) \ 245 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 246 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 247 #define IEEE80211_SEQ_SUB(a, b) \ 248 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 249 250 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 251 #define IEEE80211_SEQ_BA_BEFORE(a, b) \ 252 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 253 254 #define IEEE80211_NWID_LEN 32 255 #define IEEE80211_MESHID_LEN 32 256 257 #define IEEE80211_QOS_CTL_LEN 2 258 259 #define IEEE80211_QOS_TXOP 0x00ff 260 /* bit 8 is reserved */ 261 #define IEEE80211_QOS_AMSDU 0x80 262 #define IEEE80211_QOS_AMSDU_S 7 263 #define IEEE80211_QOS_ACKPOLICY 0x60 264 #define IEEE80211_QOS_ACKPOLICY_S 5 265 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 266 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 267 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 268 #define IEEE80211_QOS_EOSP_S 4 269 #define IEEE80211_QOS_TID 0x0f 270 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 271 #define IEEE80211_QOS_MC 0x01 /* Mesh control */ 272 /* Mesh power save level*/ 273 #define IEEE80211_QOS_MESH_PSL 0x02 274 /* Mesh Receiver Service Period Initiated */ 275 #define IEEE80211_QOS_RSPI 0x04 276 /* bits 11 to 15 reserved */ 277 278 /* does frame have QoS sequence control data */ 279 #define IEEE80211_QOS_HAS_SEQ(wh) \ 280 (((wh)->i_fc[0] & \ 281 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS_DATA)) == \ 282 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS_DATA)) 283 284 /* 285 * WME/802.11e information element. 286 */ 287 struct ieee80211_wme_info { 288 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 289 uint8_t wme_len; /* length in bytes */ 290 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 291 uint8_t wme_type; /* OUI type */ 292 uint8_t wme_subtype; /* OUI subtype */ 293 uint8_t wme_version; /* spec revision */ 294 uint8_t wme_info; /* QoS info */ 295 } __packed; 296 297 /* 298 * WME/802.11e Tspec Element 299 */ 300 struct ieee80211_wme_tspec { 301 uint8_t ts_id; 302 uint8_t ts_len; 303 uint8_t ts_oui[3]; 304 uint8_t ts_oui_type; 305 uint8_t ts_oui_subtype; 306 uint8_t ts_version; 307 uint8_t ts_tsinfo[3]; 308 uint8_t ts_nom_msdu[2]; 309 uint8_t ts_max_msdu[2]; 310 uint8_t ts_min_svc[4]; 311 uint8_t ts_max_svc[4]; 312 uint8_t ts_inactv_intv[4]; 313 uint8_t ts_susp_intv[4]; 314 uint8_t ts_start_svc[4]; 315 uint8_t ts_min_rate[4]; 316 uint8_t ts_mean_rate[4]; 317 uint8_t ts_max_burst[4]; 318 uint8_t ts_min_phy[4]; 319 uint8_t ts_peak_rate[4]; 320 uint8_t ts_delay[4]; 321 uint8_t ts_surplus[2]; 322 uint8_t ts_medium_time[2]; 323 } __packed; 324 325 /* 326 * WME AC parameter field 327 */ 328 struct ieee80211_wme_acparams { 329 uint8_t acp_aci_aifsn; 330 uint8_t acp_logcwminmax; 331 uint16_t acp_txop; 332 } __packed; 333 334 #define WME_NUM_AC 4 /* 4 AC categories */ 335 #define WME_NUM_TID 16 /* 16 tids */ 336 337 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 338 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 339 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 340 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 341 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 342 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 343 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 344 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 345 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 346 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 347 348 #define WME_AC_TO_TID(_ac) ( \ 349 ((_ac) == WME_AC_VO) ? 6 : \ 350 ((_ac) == WME_AC_VI) ? 5 : \ 351 ((_ac) == WME_AC_BK) ? 1 : \ 352 0) 353 354 #define TID_TO_WME_AC(_tid) ( \ 355 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 356 ((_tid) < 3) ? WME_AC_BK : \ 357 ((_tid) < 6) ? WME_AC_VI : \ 358 WME_AC_VO) 359 360 /* 361 * WME Parameter Element 362 */ 363 struct ieee80211_wme_param { 364 uint8_t param_id; 365 uint8_t param_len; 366 uint8_t param_oui[3]; 367 uint8_t param_oui_type; 368 uint8_t param_oui_subtype; 369 uint8_t param_version; 370 uint8_t param_qosInfo; 371 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 372 uint8_t param_reserved; 373 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 374 } __packed; 375 376 /* 377 * WME U-APSD qos info field defines 378 */ 379 #define WME_CAPINFO_UAPSD_EN 0x00000080 380 #define WME_CAPINFO_UAPSD_VO 0x00000001 381 #define WME_CAPINFO_UAPSD_VI 0x00000002 382 #define WME_CAPINFO_UAPSD_BK 0x00000004 383 #define WME_CAPINFO_UAPSD_BE 0x00000008 384 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0 385 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF 386 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5 387 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3 388 #define WME_CAPINFO_IE_OFFSET 8 389 #define WME_UAPSD_MAXSP(_qosinfo) \ 390 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \ 391 WME_CAPINFO_UAPSD_MAXSP_MASK) 392 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \ 393 ((1 << (3 - (_ac))) & ( \ 394 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \ 395 WME_CAPINFO_UAPSD_ACFLAGS_MASK)) 396 397 /* 398 * Management Notification Frame 399 */ 400 struct ieee80211_mnf { 401 uint8_t mnf_category; 402 uint8_t mnf_action; 403 uint8_t mnf_dialog; 404 uint8_t mnf_status; 405 } __packed; 406 #define MNF_SETUP_REQ 0 407 #define MNF_SETUP_RESP 1 408 #define MNF_TEARDOWN 2 409 410 /* 411 * 802.11n Management Action Frames 412 */ 413 /* generic frame format */ 414 struct ieee80211_action { 415 uint8_t ia_category; 416 uint8_t ia_action; 417 } __packed; 418 419 /* 80211-2020 Table 9-51-Category values */ 420 #define IEEE80211_ACTION_CAT_SM 0 /* 9.6.2 Spectrum Management */ 421 #define IEEE80211_ACTION_CAT_QOS 1 /* 9.6.3 QoS */ 422 /* Reserved 2 was IEEE80211_ACTION_CAT_DLS */ 423 #define IEEE80211_ACTION_CAT_BA 3 /* 9.6.4 Block Ack */ 424 #define IEEE80211_ACTION_CAT_PUBLIC 4 /* 9.6.7 Public */ 425 #define IEEE80211_ACTION_CAT_RADIO_MEASUREMENT 5 /* 9.6.6 Radio Measurement */ 426 #define IEEE80211_ACTION_CAT_FAST_BBS_TRANSITION 6 /* 9.6.8 Fast BSS Transition */ 427 #define IEEE80211_ACTION_CAT_HT 7 /* 9.6.11 HT */ 428 #define IEEE80211_ACTION_CAT_SA_QUERY 8 /* 9.6.9 SA Query */ 429 #define IEEE80211_ACTION_CAT_PROTECTED_DUAL_OF_PUBLIC_ACTION 9 /* 9.6.10 Protected Dual of Public Action */ 430 #define IEEE80211_ACTION_CAT_WNM 10 /* 9.6.13 WNM */ 431 #define IEEE80211_ACTION_CAT_UNPROTECTED_WNM 11 /* 9.6.14 Unprotected WNM */ 432 #define IEEE80211_ACTION_CAT_TDLS 12 /* 9.6.12 TDLS */ 433 #define IEEE80211_ACTION_CAT_MESH 13 /* 9.6.16 Mesh */ 434 #define IEEE80211_ACTION_CAT_MULTIHOP 14 /* 9.6.17 Multihop */ 435 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* 9.6.15 Self-protected */ 436 #define IEEE80211_ACTION_CAT_DMG 16 /* 9.6.19 DMG */ 437 /* Reserved 17 (R)Wi-Fi Alliance */ 438 #define IEEE80211_ACTION_CAT_FAST_SESSION_TRANSFER 18 /* 9.6.20 Fast Session Transfer */ 439 #define IEEE80211_ACTION_CAT_ROBUST_AV_STREAMING 19 /* 9.6.18 Robust AV Streaming */ 440 #define IEEE80211_ACTION_CAT_UNPROTECTED_DMG 20 /* 9.6.21 Unprotected DMG */ 441 #define IEEE80211_ACTION_CAT_VHT 21 /* 9.6.22 VHT */ 442 #define IEEE80211_ACTION_CAT_UNPROTECTED_S1G 22 /* 9.6.24 Unprotected S1G */ 443 #define IEEE80211_ACTION_CAT_S1G 23 /* 9.6.25 S1G */ 444 #define IEEE80211_ACTION_CAT_FLOW_CONTROL 24 /* 9.6.26 Flow Control */ 445 #define IEEE80211_ACTION_CAT_CTL_RESP_MCS_NEG 25 /* 9.6.27 Control Response MCS Negotiation */ 446 #define IEEE80211_ACTION_CAT_FILS 26 /* 9.6.23 FILS */ 447 #define IEEE80211_ACTION_CAT_CDMG 27 /* 9.6.28 CDMG */ 448 #define IEEE80211_ACTION_CAT_CMMG 28 /* 9.6.29 CMMG */ 449 #define IEEE80211_ACTION_CAT_GLK 29 /* 9.6.30 GLK */ 450 #define IEEE80211_ACTION_CAT_HE 30 /* 9.6.31 HE, 80211ax-2021 */ 451 #define IEEE80211_ACTION_CAT_PROTECTED_HE 31 /* 9.6.32 Protected HE, 80211ax-2021 */ 452 /* Reserved 32-125 */ 453 #define IEEE80211_ACTION_CAT_VENDOR_SPECIFIC_PROTECTED 126 /* 9.6.5 Vendor-specific Protected */ 454 #define IEEE80211_ACTION_CAT_VENDOR 127 /* 9.6.5 Vendor-specific */ 455 /* Error 128-255 */ 456 457 458 /* 80211-2020 Table 9-346-Spectrum Management Action field values */ 459 enum ieee80211_action_sm { 460 IEEE80211_ACTION_SM_SMREQ = 0, /* Spectrum Measurement Request */ 461 IEEE80211_ACTION_SM_SMREP = 1, /* Spectrum Measurement Report */ 462 IEEE80211_ACTION_SM_TPCREQ = 2, /* TPC Request */ 463 IEEE80211_ACTION_SM_TPCREP = 3, /* TPC Report */ 464 IEEE80211_ACTION_SM_CSA = 4, /* Channel Switch Announcement */ 465 /* Reserved = 5-255 */ 466 }; 467 468 /* 80211-2020 Table 9-363-Radio Measurement Action field values */ 469 enum ieee80211_action_radio_measurement { 470 IEEE80211_ACTION_RADIO_MEASUREMENT_RMREQ = 0, /* Radio Measurement Request */ 471 IEEE80211_ACTION_RADIO_MEASUREMENT_RMREP = 1, /* Radio Measurement Report */ 472 IEEE80211_ACTION_RADIO_MEASUREMENT_LMREQ = 2, /* Link Measurement Request */ 473 IEEE80211_ACTION_RADIO_MEASUREMENT_LMREP = 3, /* Link Measurement Report */ 474 IEEE80211_ACTION_RADIO_MEASUREMENT_NRREQ = 4, /* Neighbor Report Request */ 475 IEEE80211_ACTION_RADIO_MEASUREMENT_NRRESP = 5, /* Neighbor Report Response */ 476 /* Reserved = 6-255 */ 477 }; 478 479 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 480 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 481 482 /* HT - recommended transmission channel width */ 483 struct ieee80211_action_ht_txchwidth { 484 struct ieee80211_action at_header; 485 uint8_t at_chwidth; 486 } __packed; 487 488 #define IEEE80211_A_HT_TXCHWIDTH_20 0 489 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 490 491 /* HT - MIMO Power Save (NB: D2.04) */ 492 struct ieee80211_action_ht_mimopowersave { 493 struct ieee80211_action am_header; 494 uint8_t am_control; 495 } __packed; 496 497 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 498 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 499 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 500 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 501 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 502 /* bits 2-7 reserved */ 503 504 /* Block Ack actions */ 505 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 506 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 507 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 508 509 /* Block Ack Parameter Set */ 510 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 511 #define IEEE80211_BAPS_BUFSIZ_S 6 512 #define IEEE80211_BAPS_TID 0x003c /* TID */ 513 #define IEEE80211_BAPS_TID_S 2 514 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 515 #define IEEE80211_BAPS_POLICY_S 1 516 #define IEEE80211_BAPS_AMSDU 0x0001 /* A-MSDU permitted */ 517 #define IEEE80211_BAPS_AMSDU_S 0 518 519 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 520 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 521 522 /* Block Ack Sequence Control */ 523 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 524 #define IEEE80211_BASEQ_START_S 4 525 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 526 #define IEEE80211_BASEQ_FRAG_S 0 527 528 /* Delayed Block Ack Parameter Set */ 529 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 530 #define IEEE80211_DELBAPS_TID_S 12 531 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 532 #define IEEE80211_DELBAPS_INIT_S 11 533 534 /* BA - ADDBA request */ 535 struct ieee80211_action_ba_addbarequest { 536 struct ieee80211_action rq_header; 537 uint8_t rq_dialogtoken; 538 uint16_t rq_baparamset; 539 uint16_t rq_batimeout; /* in TUs */ 540 uint16_t rq_baseqctl; 541 } __packed; 542 543 /* BA - ADDBA response */ 544 struct ieee80211_action_ba_addbaresponse { 545 struct ieee80211_action rs_header; 546 uint8_t rs_dialogtoken; 547 uint16_t rs_statuscode; 548 uint16_t rs_baparamset; 549 uint16_t rs_batimeout; /* in TUs */ 550 } __packed; 551 552 /* BA - DELBA */ 553 struct ieee80211_action_ba_delba { 554 struct ieee80211_action dl_header; 555 uint16_t dl_baparamset; 556 uint16_t dl_reasoncode; 557 } __packed; 558 559 /* BAR Control */ 560 #define IEEE80211_BAR_TID 0xf000 /* TID */ 561 #define IEEE80211_BAR_TID_S 12 562 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 563 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 564 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 565 566 /* BAR Starting Sequence Control */ 567 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 568 #define IEEE80211_BAR_SEQ_START_S 4 569 570 struct ieee80211_ba_request { 571 uint16_t rq_barctl; 572 uint16_t rq_barseqctl; 573 } __packed; 574 575 /* 576 * Control frames. 577 */ 578 struct ieee80211_frame_min { 579 uint8_t i_fc[2]; 580 uint8_t i_dur[2]; 581 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 582 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 583 /* FCS */ 584 } __packed; 585 586 struct ieee80211_frame_rts { 587 uint8_t i_fc[2]; 588 uint8_t i_dur[2]; 589 uint8_t i_ra[IEEE80211_ADDR_LEN]; 590 uint8_t i_ta[IEEE80211_ADDR_LEN]; 591 /* FCS */ 592 } __packed; 593 594 struct ieee80211_frame_cts { 595 uint8_t i_fc[2]; 596 uint8_t i_dur[2]; 597 uint8_t i_ra[IEEE80211_ADDR_LEN]; 598 /* FCS */ 599 } __packed; 600 601 struct ieee80211_frame_ack { 602 uint8_t i_fc[2]; 603 uint8_t i_dur[2]; 604 uint8_t i_ra[IEEE80211_ADDR_LEN]; 605 /* FCS */ 606 } __packed; 607 608 struct ieee80211_frame_pspoll { 609 uint8_t i_fc[2]; 610 uint8_t i_aid[2]; 611 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 612 uint8_t i_ta[IEEE80211_ADDR_LEN]; 613 /* FCS */ 614 } __packed; 615 616 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 617 uint8_t i_fc[2]; 618 uint8_t i_dur[2]; /* should be zero */ 619 uint8_t i_ra[IEEE80211_ADDR_LEN]; 620 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 621 /* FCS */ 622 } __packed; 623 624 struct ieee80211_frame_bar { 625 uint8_t i_fc[2]; 626 uint8_t i_dur[2]; 627 uint8_t i_ra[IEEE80211_ADDR_LEN]; 628 uint8_t i_ta[IEEE80211_ADDR_LEN]; 629 uint16_t i_ctl; 630 uint16_t i_seq; 631 /* FCS */ 632 } __packed; 633 634 /* 635 * BEACON management packets 636 * 637 * octet timestamp[8] 638 * octet beacon interval[2] 639 * octet capability information[2] 640 * information element 641 * octet elemid 642 * octet length 643 * octet information[length] 644 */ 645 646 #define IEEE80211_BEACON_INTERVAL(beacon) \ 647 ((beacon)[8] | ((beacon)[9] << 8)) 648 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 649 ((beacon)[10] | ((beacon)[11] << 8)) 650 651 #define IEEE80211_CAPINFO_ESS 0x0001 652 #define IEEE80211_CAPINFO_IBSS 0x0002 653 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 654 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 655 #define IEEE80211_CAPINFO_PRIVACY 0x0010 656 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 657 #define IEEE80211_CAPINFO_PBCC 0x0040 658 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 659 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 660 /* bit 9 is reserved */ 661 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 662 #define IEEE80211_CAPINFO_RSN 0x0800 663 /* bit 12 is reserved */ 664 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 665 /* bits 14-15 are reserved */ 666 667 #define IEEE80211_CAPINFO_BITS \ 668 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 669 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 670 "\16DSSOFDM" 671 672 /* 673 * 802.11i/WPA information element (maximally sized). 674 */ 675 struct ieee80211_ie_wpa { 676 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 677 uint8_t wpa_len; /* length in bytes */ 678 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 679 uint8_t wpa_type; /* OUI type */ 680 uint16_t wpa_version; /* spec revision */ 681 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 682 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 683 uint32_t wpa_uciphers[8];/* ciphers */ 684 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 685 uint32_t wpa_authsels[8];/* selectors */ 686 uint16_t wpa_caps; /* 802.11i capabilities */ 687 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 688 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 689 } __packed; 690 691 /* 692 * 802.11n HT Capability IE 693 * NB: these reflect D1.10 694 */ 695 struct ieee80211_ie_htcap { 696 uint8_t hc_id; /* element ID */ 697 uint8_t hc_len; /* length in bytes */ 698 uint16_t hc_cap; /* HT caps (see below) */ 699 uint8_t hc_param; /* HT params (see below) */ 700 uint8_t hc_mcsset[16]; /* supported MCS set */ 701 uint16_t hc_extcap; /* extended HT capabilities */ 702 uint32_t hc_txbf; /* txbf capabilities */ 703 uint8_t hc_antenna; /* antenna capabilities */ 704 } __packed; 705 706 /* HT capability flags (ht_cap) */ 707 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */ 708 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 709 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 710 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 711 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 712 /* NB: SMPS value 2 is reserved */ 713 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 714 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 715 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 716 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 717 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 718 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 719 #define IEEE80211_HTCAP_RXSTBC_S 8 720 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 721 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 722 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 723 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 724 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 725 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 726 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 727 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 728 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 729 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 730 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 731 732 #define IEEE80211_HTCAP_BITS \ 733 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 734 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 735 "\20LSIGTXOPPROT" 736 737 /* HT parameters (hc_param) */ 738 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 739 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 740 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 741 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 742 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 743 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 744 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 745 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 746 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 747 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 748 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 749 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 750 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 751 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 752 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 753 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 754 755 /* HT extended capabilities (hc_extcap) */ 756 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 757 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 758 #define IEEE80211_HTCAP_PCOTRANS_S 1 759 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 760 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 761 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 762 /* bits 3-7 reserved */ 763 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 764 #define IEEE80211_HTCAP_MCSFBACK_S 8 765 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 766 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 767 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 768 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 769 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 770 /* bits 12-15 reserved */ 771 772 /* 773 * 802.11n HT Information IE 774 */ 775 struct ieee80211_ie_htinfo { 776 uint8_t hi_id; /* element ID */ 777 uint8_t hi_len; /* length in bytes */ 778 uint8_t hi_ctrlchannel; /* primary channel */ 779 uint8_t hi_byte1; /* ht ie byte 1 */ 780 uint8_t hi_byte2; /* ht ie byte 2 */ 781 uint8_t hi_byte3; /* ht ie byte 3 */ 782 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 783 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 784 } __packed; 785 786 /* byte1 */ 787 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 788 #define IEEE80211_HTINFO_2NDCHAN_S 0 789 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 790 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 791 /* NB: 2 is reserved */ 792 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 793 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 794 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 795 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 796 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 797 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 798 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 799 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 800 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 801 #define IEEE80211_HTINFO_SIGRAN_S 5 802 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 803 /* XXX add rest */ 804 805 /* bytes 2+3 */ 806 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 807 #define IEEE80211_HTINFO_OPMODE_S 0 808 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 809 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 810 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 811 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 812 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 813 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 814 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 815 /* bits 5-15 reserved */ 816 817 /* bytes 4+5 */ 818 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 819 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 820 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 821 #define IEEE80211_HTINFO_40MHZPHASE 0x08 822 823 /* byte5 */ 824 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 825 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 826 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 827 828 /* 829 * 802.11ac definitions - 802.11ac-2013 . 830 */ 831 832 /* 833 * Maximum length of A-MPDU that the STA can RX in VHT. 834 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 835 */ 836 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0 837 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1 838 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2 839 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3 840 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4 841 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5 842 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6 843 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7 844 845 /* 846 * VHT MCS information. 847 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU 848 * data rate. 1Mbit/sec units. 849 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS; 850 * 2 bits each. 851 */ 852 853 /* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */ 854 enum ieee80211_vht_mcs_support { 855 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, /* MCS0-7 */ 856 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, /* MCS0-8 */ 857 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, /* MCS0-9 */ 858 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3 /* not supported */ 859 }; 860 861 struct ieee80211_vht_mcs_info { 862 uint16_t rx_mcs_map; 863 uint16_t rx_highest; 864 uint16_t tx_mcs_map; 865 uint16_t tx_highest; 866 } __packed; 867 868 /* 802.11ac-2013, 8.4.2.160.1 VHT Capabilities element structure */ 869 struct ieee80211_vht_cap { 870 uint32_t vht_cap_info; 871 struct ieee80211_vht_mcs_info supp_mcs; 872 } __packed; 873 874 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */ 875 struct ieee80211_ie_vhtcap { 876 uint8_t ie; 877 uint8_t len; 878 uint32_t vht_cap_info; 879 struct ieee80211_vht_mcs_info supp_mcs; 880 } __packed; 881 882 /* VHT operation mode subfields - 802.11ac-2013 Table 8.183x */ 883 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */ 884 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */ 885 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */ 886 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */ 887 888 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */ 889 struct ieee80211_ie_vht_operation { 890 uint8_t ie; 891 uint8_t len; 892 uint8_t chan_width; 893 uint8_t center_freq_seg1_idx; 894 uint8_t center_freq_seg2_idx; 895 uint16_t basic_mcs_set; 896 } __packed; 897 898 /* 802.11ac VHT Capabilities */ 899 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000 900 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 901 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 902 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 903 #define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0 904 905 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 906 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2 907 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0 908 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1 909 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2 910 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3 911 912 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps) \ 913 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \ 914 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ) 915 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps) \ 916 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \ 917 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ) 918 919 #define IEEE80211_VHTCAP_RXLDPC 0x00000010 920 #define IEEE80211_VHTCAP_RXLDPC_S 4 921 922 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 923 #define IEEE80211_VHTCAP_SHORT_GI_80_S 5 924 925 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 926 #define IEEE80211_VHTCAP_SHORT_GI_160_S 6 927 928 #define IEEE80211_VHTCAP_TXSTBC 0x00000080 929 #define IEEE80211_VHTCAP_TXSTBC_S 7 930 931 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 932 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 933 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 934 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 935 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 936 #define IEEE80211_VHTCAP_RXSTBC_MASK_S 8 937 938 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 939 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11 940 941 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 942 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12 943 944 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 945 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ 946 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) 947 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13 948 949 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 950 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ 951 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) 952 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16 953 954 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 955 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19 956 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 957 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20 958 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 959 #define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21 960 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000 961 #define IEEE80211_VHTCAP_HTC_VHT_S 22 962 963 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 964 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 965 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 966 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23 967 968 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000 969 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 970 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 971 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26 972 973 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 974 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28 975 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 976 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29 977 978 /* 979 * XXX TODO: add the rest of the bits 980 */ 981 #define IEEE80211_VHTCAP_BITS \ 982 "\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \ 983 "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \ 984 "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN" 985 986 /* 987 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164 988 * 989 * This defines the maximum transmit power for various bandwidths. 990 */ 991 /* 992 * Count is how many elements follow and what they're for: 993 * 994 * 0 - 20 MHz 995 * 1 - 20+40 MHz 996 * 2 - 20+40+80 MHz 997 * 3 - 20+40+80+(160, 80+80) MHz 998 */ 999 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0 1000 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07 1001 1002 /* 1003 * Unit is the tx power representation. It should be EIRP for now; 1004 * other values are reserved. 1005 */ 1006 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38 1007 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3 1008 1009 /* This value is within the unit mask/shift above */ 1010 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0 1011 1012 struct ieee80211_ie_vht_txpwrenv { 1013 uint8_t ie; 1014 uint8_t len; 1015 uint8_t tx_info; 1016 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */ 1017 }; 1018 1019 /* VHT action codes */ 1020 #define WLAN_ACTION_VHT_COMPRESSED_BF 0 1021 #define WLAN_ACTION_VHT_GROUPID_MGMT 1 1022 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2 1023 1024 /* 1025 * Management information element payloads. 1026 */ 1027 1028 enum { 1029 IEEE80211_ELEMID_SSID = 0, 1030 IEEE80211_ELEMID_RATES = 1, 1031 IEEE80211_ELEMID_FHPARMS = 2, 1032 IEEE80211_ELEMID_DSPARMS = 3, 1033 IEEE80211_ELEMID_CFPARMS = 4, 1034 IEEE80211_ELEMID_TIM = 5, 1035 IEEE80211_ELEMID_IBSSPARMS = 6, 1036 IEEE80211_ELEMID_COUNTRY = 7, 1037 IEEE80211_ELEMID_BSSLOAD = 11, 1038 IEEE80211_ELEMID_TSPEC = 13, 1039 IEEE80211_ELEMID_TCLAS = 14, 1040 IEEE80211_ELEMID_CHALLENGE = 16, 1041 /* 17-31 reserved for challenge text extension */ 1042 IEEE80211_ELEMID_PWRCNSTR = 32, 1043 IEEE80211_ELEMID_PWRCAP = 33, 1044 IEEE80211_ELEMID_TPCREQ = 34, 1045 IEEE80211_ELEMID_TPCREP = 35, 1046 IEEE80211_ELEMID_SUPPCHAN = 36, 1047 IEEE80211_ELEMID_CSA = 37, 1048 IEEE80211_ELEMID_MEASREQ = 38, 1049 IEEE80211_ELEMID_MEASREP = 39, 1050 IEEE80211_ELEMID_QUIET = 40, 1051 IEEE80211_ELEMID_IBSSDFS = 41, 1052 IEEE80211_ELEMID_ERP = 42, 1053 IEEE80211_ELEMID_HTCAP = 45, 1054 IEEE80211_ELEMID_QOS = 46, 1055 IEEE80211_ELEMID_RESERVED_47 = 47, 1056 IEEE80211_ELEMID_RSN = 48, 1057 IEEE80211_ELEMID_XRATES = 50, 1058 IEEE80211_ELEMID_APCHANREP = 51, 1059 IEEE80211_ELEMID_MOBILITY_DOMAIN = 54, 1060 IEEE80211_ELEMID_HTINFO = 61, 1061 IEEE80211_ELEMID_SECCHAN_OFFSET = 62, 1062 IEEE80211_ELEMID_RRM_ENACAPS = 70, 1063 IEEE80211_ELEMID_MULTIBSSID = 71, 1064 IEEE80211_ELEMID_COEX_2040 = 72, 1065 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73, 1066 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74, 1067 IEEE80211_ELEMID_TSF_REQ = 91, 1068 IEEE80211_ELEMID_TSF_RESP = 92, 1069 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93, 1070 IEEE80211_ELEMID_TIM_BCAST_REQ = 94, 1071 IEEE80211_ELEMID_TIM_BCAST_RESP = 95, 1072 IEEE80211_ELEMID_TPC = 150, 1073 IEEE80211_ELEMID_CCKM = 156, 1074 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 1075 1076 /* 1077 * 802.11s IEs 1078 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 1079 * but they defined a new with id 117 called PEER_MGMT. 1080 * NB: complies with open80211 1081 */ 1082 IEEE80211_ELEMID_MESHCONF = 113, 1083 IEEE80211_ELEMID_MESHID = 114, 1084 IEEE80211_ELEMID_MESHLINK = 115, 1085 IEEE80211_ELEMID_MESHCNGST = 116, 1086 IEEE80211_ELEMID_MESHPEER = 117, 1087 IEEE80211_ELEMID_MESHCSA = 118, 1088 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 1089 IEEE80211_ELEMID_MESHAWAKEW = 119, 1090 IEEE80211_ELEMID_MESHBEACONT = 120, 1091 /* 121-124 MMCAOP not implemented yet */ 1092 IEEE80211_ELEMID_MESHGANN = 125, 1093 IEEE80211_ELEMID_MESHRANN = 126, 1094 /* 127 Extended Capabilities */ 1095 IEEE80211_ELEMID_EXTCAP = 127, 1096 /* 128-129 reserved */ 1097 IEEE80211_ELEMID_MESHPREQ = 130, 1098 IEEE80211_ELEMID_MESHPREP = 131, 1099 IEEE80211_ELEMID_MESHPERR = 132, 1100 /* 133-136 reserved */ 1101 IEEE80211_ELEMID_MESHPXU = 137, 1102 IEEE80211_ELEMID_MESHPXUC = 138, 1103 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 1104 1105 /* 802.11ac-2013, Table 8-54-Element IDs */ 1106 IEEE80211_ELEMID_VHT_CAP = 191, 1107 IEEE80211_ELEMID_VHT_OPMODE = 192, 1108 IEEE80211_ELEMID_EXTENDED_BSS_LOAD = 193, 1109 IEEE80211_ELEMID_WIDE_BW_CHANNEL_SWITCH = 194, 1110 IEEE80211_ELEMID_VHT_PWR_ENV = 195, 1111 IEEE80211_ELEMID_CHANNEL_SWITCH_WRAPPER = 196, 1112 IEEE80211_ELEMID_AID = 197, 1113 IEEE80211_ELEMID_QUIET_CHANNEL = 198, 1114 IEEE80211_ELEMID_OPMODE_NOTIF = 199, 1115 }; 1116 1117 struct ieee80211_tim_ie { 1118 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 1119 uint8_t tim_len; 1120 uint8_t tim_count; /* DTIM count */ 1121 uint8_t tim_period; /* DTIM period */ 1122 uint8_t tim_bitctl; /* bitmap control */ 1123 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 1124 } __packed; 1125 1126 struct ieee80211_country_ie { 1127 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 1128 uint8_t len; 1129 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 1130 struct { 1131 uint8_t schan; /* starting channel */ 1132 uint8_t nchan; /* number channels */ 1133 uint8_t maxtxpwr; /* tx power cap */ 1134 } __packed band[1]; /* sub bands (NB: var size) */ 1135 } __packed; 1136 1137 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 1138 #define IEEE80211_COUNTRY_MAX_SIZE \ 1139 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 1140 1141 struct ieee80211_bss_load_ie { 1142 uint8_t ie; 1143 uint8_t len; 1144 uint16_t sta_count; /* station count */ 1145 uint8_t chan_load; /* channel utilization */ 1146 uint8_t aac; /* available admission capacity */ 1147 } __packed; 1148 1149 struct ieee80211_ap_chan_report_ie { 1150 uint8_t ie; 1151 uint8_t len; 1152 uint8_t i_class; /* operating class */ 1153 /* Annex E, E.1 Country information and operating classes */ 1154 uint8_t chan_list[0]; 1155 } __packed; 1156 1157 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */ 1158 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1) 1159 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */ 1160 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3) 1161 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */ 1162 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5) 1163 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6) 1164 #define IEEE80211_EXTCAP_EVENT (1ULL << 7) 1165 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8) 1166 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9) 1167 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10) 1168 #define IEEE80211_EXTCAP_FMS (1ULL << 11) 1169 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12) 1170 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */ 1171 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14) 1172 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15) 1173 #define IEEE80211_EXTCAP_TFS (1ULL << 16) 1174 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17) 1175 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18) 1176 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19) 1177 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20) 1178 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21) 1179 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */ 1180 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23) 1181 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24) 1182 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25) 1183 #define IEEE80211_EXTCAP_DMS (1ULL << 26) 1184 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27) 1185 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */ 1186 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */ 1187 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */ 1188 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31) 1189 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32) 1190 #define IEEE80211_EXTCAP_EBR (1ULL << 33) 1191 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34) 1192 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35) 1193 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36) 1194 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37) 1195 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38) 1196 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */ 1197 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */ 1198 /* service interval granularity */ 1199 #define IEEE80211_EXTCAP_SIG \ 1200 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43)) 1201 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44) 1202 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45) 1203 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46) 1204 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47) 1205 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */ 1206 /* bits 49-n are reserved */ 1207 1208 struct ieee80211_extcap_ie { 1209 uint8_t ie; 1210 uint8_t len; 1211 } __packed; 1212 1213 /* 1214 * 802.11h Quiet Time Element. 1215 */ 1216 struct ieee80211_quiet_ie { 1217 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 1218 uint8_t len; 1219 uint8_t tbttcount; /* quiet start */ 1220 uint8_t period; /* beacon intervals between quiets */ 1221 uint16_t duration; /* TUs of each quiet*/ 1222 uint16_t offset; /* TUs of from TBTT of quiet start */ 1223 } __packed; 1224 1225 /* 1226 * 802.11h Channel Switch Announcement (CSA). 1227 */ 1228 struct ieee80211_csa_ie { 1229 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 1230 uint8_t csa_len; 1231 uint8_t csa_mode; /* Channel Switch Mode */ 1232 uint8_t csa_newchan; /* New Channel Number */ 1233 uint8_t csa_count; /* Channel Switch Count */ 1234 } __packed; 1235 1236 /* 1237 * Note the min acceptable CSA count is used to guard against 1238 * malicious CSA injection in station mode. Defining this value 1239 * as other than 0 violates the 11h spec. 1240 */ 1241 #define IEEE80211_CSA_COUNT_MIN 2 1242 #define IEEE80211_CSA_COUNT_MAX 255 1243 1244 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 1245 #define IEEE80211_RATE_BASIC 0x80 1246 #define IEEE80211_RATE_VAL 0x7f 1247 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 1248 1249 /* ERP information element flags */ 1250 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 1251 #define IEEE80211_ERP_USE_PROTECTION 0x02 1252 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 1253 1254 #define IEEE80211_ERP_BITS \ 1255 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 1256 1257 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 1258 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 1259 1260 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 1261 #define TDMA_OUI ATH_OUI 1262 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 1263 1264 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 1265 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 1266 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 1267 1268 #define WPA_OUI 0xf25000 1269 #define WPA_OUI_TYPE 0x01 1270 #define WPA_VERSION 1 /* current supported version */ 1271 1272 #define WPA_CSE_NULL 0x00 1273 #define WPA_CSE_WEP40 0x01 1274 #define WPA_CSE_TKIP 0x02 1275 #define WPA_CSE_CCMP 0x04 1276 #define WPA_CSE_WEP104 0x05 1277 1278 #define WPA_ASE_NONE 0x00 1279 #define WPA_ASE_8021X_UNSPEC 0x01 1280 #define WPA_ASE_8021X_PSK 0x02 1281 1282 #define WPS_OUI_TYPE 0x04 1283 1284 #define RSN_OUI 0xac0f00 1285 #define RSN_VERSION 1 /* current supported version */ 1286 1287 #define RSN_CSE_NULL 0x00 1288 #define RSN_CSE_WEP40 0x01 1289 #define RSN_CSE_TKIP 0x02 1290 #define RSN_CSE_WRAP 0x03 1291 #define RSN_CSE_CCMP 0x04 1292 #define RSN_CSE_WEP104 0x05 1293 1294 #define RSN_ASE_NONE 0x00 1295 #define RSN_ASE_8021X_UNSPEC 0x01 1296 #define RSN_ASE_8021X_PSK 0x02 1297 1298 #define RSN_CAP_PREAUTH 0x01 1299 1300 #define WME_OUI 0xf25000 1301 #define WME_OUI_TYPE 0x02 1302 #define WME_INFO_OUI_SUBTYPE 0x00 1303 #define WME_PARAM_OUI_SUBTYPE 0x01 1304 #define WME_VERSION 1 1305 1306 /* WME stream classes */ 1307 #define WME_AC_BE 0 /* best effort */ 1308 #define WME_AC_BK 1 /* background */ 1309 #define WME_AC_VI 2 /* video */ 1310 #define WME_AC_VO 3 /* voice */ 1311 1312 /* 1313 * AUTH management packets 1314 * 1315 * octet algo[2] 1316 * octet seq[2] 1317 * octet status[2] 1318 * octet chal.id 1319 * octet chal.length 1320 * octet chal.text[253] NB: 1-253 bytes 1321 */ 1322 1323 /* challenge length for shared key auth */ 1324 #define IEEE80211_CHALLENGE_LEN 128 1325 1326 #define IEEE80211_AUTH_ALG_OPEN 0x0000 1327 #define IEEE80211_AUTH_ALG_SHARED 0x0001 1328 #define IEEE80211_AUTH_ALG_LEAP 0x0080 1329 1330 enum { 1331 IEEE80211_AUTH_OPEN_REQUEST = 1, 1332 IEEE80211_AUTH_OPEN_RESPONSE = 2, 1333 }; 1334 1335 enum { 1336 IEEE80211_AUTH_SHARED_REQUEST = 1, 1337 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 1338 IEEE80211_AUTH_SHARED_RESPONSE = 3, 1339 IEEE80211_AUTH_SHARED_PASS = 4, 1340 }; 1341 1342 /* 1343 * Reason and status codes. 1344 * 1345 * Reason codes are used in management frames to indicate why an 1346 * action took place (e.g. on disassociation). Status codes are 1347 * used in management frames to indicate the result of an operation. 1348 * 1349 * Unlisted codes are reserved 1350 */ 1351 1352 enum { 1353 IEEE80211_REASON_UNSPECIFIED = 1, 1354 IEEE80211_REASON_AUTH_EXPIRE = 2, 1355 IEEE80211_REASON_AUTH_LEAVE = 3, 1356 IEEE80211_REASON_ASSOC_EXPIRE = 4, 1357 IEEE80211_REASON_ASSOC_TOOMANY = 5, 1358 IEEE80211_REASON_NOT_AUTHED = 6, 1359 IEEE80211_REASON_NOT_ASSOCED = 7, 1360 IEEE80211_REASON_ASSOC_LEAVE = 8, 1361 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 1362 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 1363 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 1364 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 1365 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 1366 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 1367 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 1368 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 1369 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 1370 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 1371 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 1372 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 1373 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 1374 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 1375 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 1376 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 1377 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 1378 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 1379 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 1380 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 1381 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 1382 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 1383 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 1384 1385 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 1386 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 1387 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 1388 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 1389 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 1390 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 1391 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 1392 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 1393 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 1394 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 1395 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 1396 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 1397 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 1398 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 1399 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 1400 1401 IEEE80211_STATUS_SUCCESS = 0, 1402 IEEE80211_STATUS_UNSPECIFIED = 1, 1403 IEEE80211_STATUS_CAPINFO = 10, 1404 IEEE80211_STATUS_NOT_ASSOCED = 11, 1405 IEEE80211_STATUS_OTHER = 12, 1406 IEEE80211_STATUS_ALG = 13, 1407 IEEE80211_STATUS_SEQUENCE = 14, 1408 IEEE80211_STATUS_CHALLENGE = 15, 1409 IEEE80211_STATUS_TIMEOUT = 16, 1410 IEEE80211_STATUS_TOOMANY = 17, 1411 IEEE80211_STATUS_BASIC_RATE = 18, 1412 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 1413 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 1414 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 1415 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 1416 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 1417 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 1418 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 1419 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 1420 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 1421 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 1422 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 1423 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 1424 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 1425 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 1426 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1427 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1428 }; 1429 1430 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1431 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1432 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1433 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1434 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1435 IEEE80211_WEP_KIDLEN + \ 1436 IEEE80211_WEP_CRCLEN) 1437 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 1438 1439 /* 1440 * 802.11i defines an extended IV for use with non-WEP ciphers. 1441 * When the EXTIV bit is set in the key id byte an additional 1442 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1443 * EXTIV bit is likewise set but the 8 bytes represent the 1444 * CCMP header rather than IV+extended-IV. 1445 */ 1446 #define IEEE80211_WEP_EXTIV 0x20 1447 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1448 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1449 1450 #define IEEE80211_CRC_LEN 4 1451 1452 /* 1453 * Maximum acceptable MTU is: 1454 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1455 * QoS overhead - RSN/WPA overhead 1456 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1457 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1458 */ 1459 #define IEEE80211_MTU_MAX 2290 1460 #define IEEE80211_MTU_MIN 32 1461 1462 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1463 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1464 #define IEEE80211_ACK_LEN \ 1465 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1466 #define IEEE80211_MIN_LEN \ 1467 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1468 1469 /* 1470 * The 802.11 spec says at most 2007 stations may be 1471 * associated at once. For most AP's this is way more 1472 * than is feasible so we use a default of IEEE80211_AID_DEF. 1473 * This number may be overridden by the driver and/or by 1474 * user configuration but may not be less than IEEE80211_AID_MIN 1475 * (see _ieee80211.h for implementation-specific settings). 1476 */ 1477 #define IEEE80211_AID_MAX 2007 1478 1479 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1480 1481 /* 1482 * RTS frame length parameters. The default is specified in 1483 * the 802.11 spec as 512; we treat it as implementation-dependent 1484 * so it's defined in ieee80211_var.h. The max may be wrong 1485 * for jumbo frames. 1486 */ 1487 #define IEEE80211_RTS_MIN 1 1488 #define IEEE80211_RTS_MAX 2346 1489 1490 /* 1491 * TX fragmentation parameters. As above for RTS, we treat 1492 * default as implementation-dependent so define it elsewhere. 1493 */ 1494 #define IEEE80211_FRAG_MIN 256 1495 #define IEEE80211_FRAG_MAX 2346 1496 1497 /* 1498 * Beacon interval (TU's). Min+max come from WiFi requirements. 1499 * As above, we treat default as implementation-dependent so 1500 * define it elsewhere. 1501 */ 1502 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1503 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1504 1505 /* 1506 * DTIM period (beacons). Min+max are not really defined 1507 * by the protocol but we want them publicly visible so 1508 * define them here. 1509 */ 1510 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1511 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1512 1513 /* 1514 * Beacon miss threshold (beacons). As for DTIM, we define 1515 * them here to be publicly visible. Note the max may be 1516 * clamped depending on device capabilities. 1517 */ 1518 #define IEEE80211_HWBMISS_MIN 1 1519 #define IEEE80211_HWBMISS_MAX 255 1520 1521 /* 1522 * 802.11 frame duration definitions. 1523 */ 1524 1525 struct ieee80211_duration { 1526 uint16_t d_rts_dur; 1527 uint16_t d_data_dur; 1528 uint16_t d_plcp_len; 1529 uint8_t d_residue; /* unused octets in time slot */ 1530 }; 1531 1532 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1533 #define IEEE80211_DUR_TU 1024 1534 1535 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1536 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1537 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1538 1539 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1540 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1541 #define IEEE80211_DUR_DS_SLOW_ACK 112 1542 #define IEEE80211_DUR_DS_FAST_ACK 56 1543 #define IEEE80211_DUR_DS_SLOW_CTS 112 1544 #define IEEE80211_DUR_DS_FAST_CTS 56 1545 1546 #define IEEE80211_DUR_DS_SLOT 20 1547 #define IEEE80211_DUR_DS_SIFS 10 1548 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1549 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1550 2 * IEEE80211_DUR_DS_SLOT) 1551 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1552 IEEE80211_DUR_DS_SLOW_ACK + \ 1553 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1554 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1555 IEEE80211_DUR_DIFS) 1556 1557 #endif /* _NET80211_IEEE80211_H_ */ 1558