1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 #ifndef _NET80211_IEEE80211_H_ 29 #define _NET80211_IEEE80211_H_ 30 31 /* 32 * 802.11 protocol definitions. 33 */ 34 35 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 36 /* is 802.11 address multicast/broadcast? */ 37 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 38 39 #ifdef _KERNEL 40 extern const uint8_t ieee80211broadcastaddr[]; 41 #endif 42 43 typedef uint16_t ieee80211_seq; 44 45 /* IEEE 802.11 PLCP header */ 46 struct ieee80211_plcp_hdr { 47 uint16_t i_sfd; 48 uint8_t i_signal; 49 uint8_t i_service; 50 uint16_t i_length; 51 uint16_t i_crc; 52 } __packed; 53 54 #define IEEE80211_PLCP_SFD 0xF3A0 55 #define IEEE80211_PLCP_SERVICE 0x00 56 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04 57 #define IEEE80211_PLCL_SERVICE_PBCC 0x08 58 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 59 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 60 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 61 62 /* 63 * generic definitions for IEEE 802.11 frames 64 */ 65 struct ieee80211_frame { 66 uint8_t i_fc[2]; 67 uint8_t i_dur[2]; 68 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 69 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 70 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 71 uint8_t i_seq[2]; 72 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 73 /* see below */ 74 } __packed; 75 76 struct ieee80211_qosframe { 77 uint8_t i_fc[2]; 78 uint8_t i_dur[2]; 79 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 80 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 81 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 82 uint8_t i_seq[2]; 83 uint8_t i_qos[2]; 84 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 85 /* see below */ 86 } __packed; 87 88 struct ieee80211_qoscntl { 89 uint8_t i_qos[2]; 90 }; 91 92 struct ieee80211_frame_addr4 { 93 uint8_t i_fc[2]; 94 uint8_t i_dur[2]; 95 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 96 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 97 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 98 uint8_t i_seq[2]; 99 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 100 } __packed; 101 102 struct ieee80211_qosframe_addr4 { 103 uint8_t i_fc[2]; 104 uint8_t i_dur[2]; 105 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 106 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 107 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 108 uint8_t i_seq[2]; 109 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 110 uint8_t i_qos[2]; 111 } __packed; 112 113 #define IEEE80211_FC0_VERSION_MASK 0x03 114 #define IEEE80211_FC0_VERSION_SHIFT 0 115 #define IEEE80211_FC0_VERSION_0 0x00 116 #define IEEE80211_FC0_TYPE_MASK 0x0c 117 #define IEEE80211_FC0_TYPE_SHIFT 2 118 #define IEEE80211_FC0_TYPE_MGT 0x00 /* Management */ 119 #define IEEE80211_FC0_TYPE_CTL 0x04 /* Control */ 120 #define IEEE80211_FC0_TYPE_DATA 0x08 /* Data */ 121 #define IEEE80211_FC0_TYPE_EXT 0x0c /* Extension */ 122 123 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 124 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 125 /* 802.11-2020 Table 9-1-Valid type and subtype combinations */ 126 /* For type 00 Management (IEEE80211_FC0_TYPE_MGT) */ 127 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 /* Association Request */ 128 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 /* Association Response */ 129 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 /* Reassociation Request */ 130 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 /* Reassociation Response */ 131 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 /* Probe Request */ 132 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 /* Probe Response */ 133 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60 /* Timing Advertisement */ 134 /* 0111 Reserved 0x70 */ 135 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 /* Beacon */ 136 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 /* ATIM */ 137 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 /* Disassociation */ 138 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 /* Authentication */ 139 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 /* Deauthentication */ 140 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 /* Action */ 141 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 /* Action No Ack */ 142 /* 1111 Reserved 0xf0 */ 143 /* For type 01 Control (IEEE80211_FC0_TYPE_CTL) */ 144 /* 0000-0001 Reserved 0x00-0x10 */ 145 #define IEEE80211_FC0_SUBTYPE_TRIGGER 0x20 /* Trigger, 80211ax-2021 */ 146 #define IEEE80211_FC0_SUBTYPE_TACK 0x30 /* TACK */ 147 #define IEEE80211_FC0_SUBTYPE_BF_REPORT_POLL 0x40 /* Beamforming Report Poll */ 148 #define IEEE80211_FC0_SUBTYPE_VHT_HE_NDP 0x50 /* VHT/HE NDP Announcement, 80211ac/ax-2013/2021 */ 149 #define IEEE80211_FC0_SUBTYPE_CTL_EXT 0x60 /* Control Frame Extension */ 150 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70 /* Control Wrapper */ 151 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 /* Block Ack Request (BlockAckReq) */ 152 #define IEEE80211_FC0_SUBTYPE_BA 0x90 /* Block Ack (BlockAck) */ 153 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 /* PS-Poll */ 154 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 /* RTS */ 155 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 /* CTS */ 156 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 /* Ack */ 157 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 /* CF-End */ 158 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 /* 1111 Reserved - what was CF_END_ACK? */ 159 /* For type 10 Data (IEEE80211_FC0_TYPE_DATA) */ 160 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 /* Data */ 161 /* 0001-0011 Reserved 0x10-0x30 */ /* Were: CF_ACK, CF_POLL, CF_ACPL */ 162 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 /* Null */ 163 /* 0101-0111 Reserved 0x50-0x70 */ /* Were: CFACK, CFPOLL, CF_ACK_CF_ACK */ 164 #define IEEE80211_FC0_SUBTYPE_QOS_MASK_ANY 0x80 /* QoS mask - matching any subtypes 8..15 */ 165 #define IEEE80211_FC0_SUBTYPE_QOS_DATA 0x80 /* QoS Data */ 166 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACK 0x90 /* QoS Data +CF-Ack */ 167 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFPOLL 0xa0 /* QoS Data +CF-Poll */ 168 #define IEEE80211_FC0_SUBTYPE_QOS_DATA_CFACKPOLL 0xb0 /* QoS Data +CF-Ack +CF-Poll */ 169 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 /* QoS Null */ 170 /* 1101 Reserved 0xd0 */ 171 #define IEEE80211_FC0_SUBTYPE_QOS_CFPOLL 0xe0 /* QoS CF-Poll */ 172 #define IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL 0xf0 /* QoS CF-Ack +CF-Poll */ 173 /* For type 11 Extension (IEEE80211_FC0_TYPE_EXT) */ 174 #define IEEE80211_FC0_SUBTYPE_DMG_BEACON 0x00 /* DMG Beacon */ 175 #define IEEE80211_FC0_SUBTYPE_S1G_BEACON 0x10 /* S1G Beacon */ 176 /* 0010-1111 Reserved 0x20-0xff */ 177 178 /* 802.11-2020 Table 9-2-Control Frame Extension */ 179 /* Reusing B11..B8, part of FC1 */ 180 #define IEEE80211_CTL_EXT_SECTOR_ACK 0x00 /* Sector Ack, 80211ay-2021 */ 181 #define IEEE80211_CTL_EXT_BA_SCHED 0x01 /* Block Ack Schedule, 80211ay-2021 */ 182 #define IEEE80211_CTL_EXT_POLL 0x02 /* Poll */ 183 #define IEEE80211_CTL_EXT_SPR 0x03 /* SPR */ 184 #define IEEE80211_CTL_EXT_GRANT 0x04 /* Grant */ 185 #define IEEE80211_CTL_EXT_DMG_CTS 0x05 /* DMG CTS */ 186 #define IEEE80211_CTL_EXT_DMG_DTS 0x06 /* DMG DTS */ 187 #define IEEE80211_CTL_EXT_GRANT_ACK 0x07 /* Grant Ack */ 188 #define IEEE80211_CTL_EXT_SSW 0x08 /* SSW */ 189 #define IEEE80211_CTL_EXT_SSW_FBACK 0x09 /* SSW-Feedback */ 190 #define IEEE80211_CTL_EXT_SSW_ACK 0x0a /* SSW-Ack */ 191 #define IEEE80211_CTL_EXT_TDD_BF 0x0b /* TDD Beamforming, 80211ay-2021 */ 192 /* 1100-1111 Reserved 0xc-0xf */ 193 194 /* Check the version field */ 195 #define IEEE80211_IS_FC0_CHECK_VER(wh, v) \ 196 (((wh)->i_fc[0] & IEEE80211_FC0_VERSION_MASK) == (v)) 197 198 /* Check the version and type field */ 199 #define IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, v, t) \ 200 (((((wh)->i_fc[0] & IEEE80211_FC0_VERSION_MASK) == (v))) && \ 201 (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == (t))) 202 203 /* Check the version, type and subtype field */ 204 #define IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, v, t, st) \ 205 (((((wh)->i_fc[0] & IEEE80211_FC0_VERSION_MASK) == (v))) && \ 206 (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == (t)) && \ 207 (((wh)->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) == (st))) 208 209 #define IEEE80211_IS_MGMT(wh) \ 210 (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0, \ 211 IEEE80211_FC0_TYPE_MGT)) 212 #define IEEE80211_IS_CTL(wh) \ 213 (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0, \ 214 IEEE80211_FC0_TYPE_CTL)) 215 #define IEEE80211_IS_DATA(wh) \ 216 (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0, \ 217 IEEE80211_FC0_TYPE_DATA)) 218 #define IEEE80211_IS_EXT(wh) \ 219 (IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0, \ 220 IEEE80211_FC0_TYPE_EXT)) 221 222 /* Management frame types */ 223 224 #define IEEE80211_IS_MGMT_BEACON(wh) \ 225 (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, \ 226 IEEE80211_FC0_VERSION_0, \ 227 IEEE80211_FC0_TYPE_MGT, \ 228 IEEE80211_FC0_SUBTYPE_BEACON)) 229 230 #define IEEE80211_IS_MGMT_PROBE_RESP(wh) \ 231 (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, \ 232 IEEE80211_FC0_VERSION_0, \ 233 IEEE80211_FC0_TYPE_MGT, \ 234 IEEE80211_FC0_SUBTYPE_PROBE_RESP)) 235 236 #define IEEE80211_IS_MGMT_ACTION(wh) \ 237 (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, \ 238 IEEE80211_FC0_VERSION_0, \ 239 IEEE80211_FC0_TYPE_MGT, \ 240 IEEE80211_FC0_SUBTYPE_ACTION)) 241 242 /* Control frame types */ 243 244 #define IEEE80211_IS_CTL_PS_POLL(wh) \ 245 (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, \ 246 IEEE80211_FC0_VERSION_0, \ 247 IEEE80211_FC0_TYPE_CTL, \ 248 IEEE80211_FC0_SUBTYPE_PS_POLL)) 249 250 #define IEEE80211_IS_CTL_BAR(wh) \ 251 (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, \ 252 IEEE80211_FC0_VERSION_0, \ 253 IEEE80211_FC0_TYPE_CTL, \ 254 IEEE80211_FC0_SUBTYPE_BAR)) 255 256 /* Data frame types */ 257 258 /* 259 * Return true if the frame is any of the QOS frame types, not just 260 * data frames. Matching on the IEEE80211_FC0_SUBTYPE_QOS_ANY bit 261 * being set also matches on subtypes 8..15. 262 */ 263 #define IEEE80211_IS_QOS_ANY(wh) \ 264 ((IEEE80211_IS_FC0_CHECK_VER_TYPE(wh, IEEE80211_FC0_VERSION_0, \ 265 IEEE80211_FC0_TYPE_DATA)) && \ 266 ((wh)->i_fc[0] & IEEE80211_FC0_SUBTYPE_QOS_MASK_ANY)) 267 268 /* 269 * Return true if this frame is QOS data, and only QOS data. 270 */ 271 #define IEEE80211_IS_QOSDATA(wh) \ 272 (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, \ 273 IEEE80211_FC0_VERSION_0, \ 274 IEEE80211_FC0_TYPE_DATA, \ 275 IEEE80211_FC0_SUBTYPE_QOS_DATA)) 276 277 /* 278 * Return true if this frame is a QoS NULL data frame. 279 */ 280 #define IEEE80211_IS_QOS_NULL(wh) \ 281 (IEEE80211_IS_FC0_CHECK_VER_TYPE_SUBTYPE(wh, \ 282 IEEE80211_FC0_VERSION_0, \ 283 IEEE80211_FC0_TYPE_DATA, \ 284 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 285 286 287 #define IEEE80211_FC1_DIR_MASK 0x03 288 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 289 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 290 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 291 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 292 293 #define IEEE80211_IS_DSTODS(wh) \ 294 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 295 296 #define IEEE80211_FC1_MORE_FRAG 0x04 297 #define IEEE80211_FC1_RETRY 0x08 298 #define IEEE80211_FC1_PWR_MGT 0x10 299 #define IEEE80211_FC1_MORE_DATA 0x20 300 #define IEEE80211_FC1_PROTECTED 0x40 301 #define IEEE80211_FC1_ORDER 0x80 302 303 #define IEEE80211_IS_PROTECTED(wh) \ 304 ((wh)->i_fc[1] & IEEE80211_FC1_PROTECTED) 305 306 #define IEEE80211_HAS_SEQ(type, subtype) \ 307 ((type) != IEEE80211_FC0_TYPE_CTL && \ 308 !((type) == IEEE80211_FC0_TYPE_DATA && \ 309 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 310 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 311 #define IEEE80211_SEQ_FRAG_MASK 0x000f 312 #define IEEE80211_SEQ_FRAG_SHIFT 0 313 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 314 #define IEEE80211_SEQ_SEQ_SHIFT 4 315 #define IEEE80211_SEQ_RANGE 4096 316 317 #define IEEE80211_SEQ_ADD(seq, incr) \ 318 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 319 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 320 #define IEEE80211_SEQ_SUB(a, b) \ 321 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 322 323 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 324 #define IEEE80211_SEQ_BA_BEFORE(a, b) \ 325 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 326 327 #define IEEE80211_NWID_LEN 32 328 #define IEEE80211_MESHID_LEN 32 329 330 #define IEEE80211_QOS_CTL_LEN 2 331 332 #define IEEE80211_QOS_TXOP 0x00ff 333 /* bit 8 is reserved */ 334 #define IEEE80211_QOS_AMSDU 0x80 335 #define IEEE80211_QOS_AMSDU_S 7 336 #define IEEE80211_QOS_ACKPOLICY 0x60 337 #define IEEE80211_QOS_ACKPOLICY_S 5 338 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 339 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 340 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 341 #define IEEE80211_QOS_EOSP_S 4 342 #define IEEE80211_QOS_TID 0x0f 343 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 344 #define IEEE80211_QOS_MC 0x01 /* Mesh control */ 345 /* Mesh power save level*/ 346 #define IEEE80211_QOS_MESH_PSL 0x02 347 /* Mesh Receiver Service Period Initiated */ 348 #define IEEE80211_QOS_RSPI 0x04 349 /* bits 11 to 15 reserved */ 350 351 /* does frame have QoS sequence control data */ 352 #define IEEE80211_QOS_HAS_SEQ(wh) \ 353 (((wh)->i_fc[0] & \ 354 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS_DATA)) == \ 355 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS_DATA)) 356 357 /* 358 * WME/802.11e information element. 359 */ 360 struct ieee80211_wme_info { 361 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 362 uint8_t wme_len; /* length in bytes */ 363 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 364 uint8_t wme_type; /* OUI type */ 365 uint8_t wme_subtype; /* OUI subtype */ 366 uint8_t wme_version; /* spec revision */ 367 uint8_t wme_info; /* QoS info */ 368 } __packed; 369 370 /* 371 * WME/802.11e Tspec Element 372 */ 373 struct ieee80211_wme_tspec { 374 uint8_t ts_id; 375 uint8_t ts_len; 376 uint8_t ts_oui[3]; 377 uint8_t ts_oui_type; 378 uint8_t ts_oui_subtype; 379 uint8_t ts_version; 380 uint8_t ts_tsinfo[3]; 381 uint8_t ts_nom_msdu[2]; 382 uint8_t ts_max_msdu[2]; 383 uint8_t ts_min_svc[4]; 384 uint8_t ts_max_svc[4]; 385 uint8_t ts_inactv_intv[4]; 386 uint8_t ts_susp_intv[4]; 387 uint8_t ts_start_svc[4]; 388 uint8_t ts_min_rate[4]; 389 uint8_t ts_mean_rate[4]; 390 uint8_t ts_max_burst[4]; 391 uint8_t ts_min_phy[4]; 392 uint8_t ts_peak_rate[4]; 393 uint8_t ts_delay[4]; 394 uint8_t ts_surplus[2]; 395 uint8_t ts_medium_time[2]; 396 } __packed; 397 398 /* 399 * WME AC parameter field 400 */ 401 struct ieee80211_wme_acparams { 402 uint8_t acp_aci_aifsn; 403 uint8_t acp_logcwminmax; 404 uint16_t acp_txop; 405 } __packed; 406 407 #define WME_NUM_AC 4 /* 4 AC categories */ 408 #define WME_NUM_TID 16 /* 16 tids */ 409 410 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 411 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 412 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 413 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 414 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 415 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 416 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 417 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 418 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 419 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 420 421 #define WME_AC_TO_TID(_ac) ( \ 422 ((_ac) == WME_AC_VO) ? 6 : \ 423 ((_ac) == WME_AC_VI) ? 5 : \ 424 ((_ac) == WME_AC_BK) ? 1 : \ 425 0) 426 427 #define TID_TO_WME_AC(_tid) ( \ 428 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 429 ((_tid) < 3) ? WME_AC_BK : \ 430 ((_tid) < 6) ? WME_AC_VI : \ 431 WME_AC_VO) 432 433 /* 434 * WME Parameter Element 435 */ 436 struct ieee80211_wme_param { 437 uint8_t param_id; 438 uint8_t param_len; 439 uint8_t param_oui[3]; 440 uint8_t param_oui_type; 441 uint8_t param_oui_subtype; 442 uint8_t param_version; 443 uint8_t param_qosInfo; 444 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 445 uint8_t param_reserved; 446 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 447 } __packed; 448 449 /* 450 * WME U-APSD qos info field defines 451 */ 452 #define WME_CAPINFO_UAPSD_EN 0x00000080 453 #define WME_CAPINFO_UAPSD_VO 0x00000001 454 #define WME_CAPINFO_UAPSD_VI 0x00000002 455 #define WME_CAPINFO_UAPSD_BK 0x00000004 456 #define WME_CAPINFO_UAPSD_BE 0x00000008 457 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0 458 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF 459 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5 460 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3 461 #define WME_CAPINFO_IE_OFFSET 8 462 #define WME_UAPSD_MAXSP(_qosinfo) \ 463 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \ 464 WME_CAPINFO_UAPSD_MAXSP_MASK) 465 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \ 466 ((1 << (3 - (_ac))) & ( \ 467 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \ 468 WME_CAPINFO_UAPSD_ACFLAGS_MASK)) 469 470 /* 471 * Management Notification Frame 472 */ 473 struct ieee80211_mnf { 474 uint8_t mnf_category; 475 uint8_t mnf_action; 476 uint8_t mnf_dialog; 477 uint8_t mnf_status; 478 } __packed; 479 #define MNF_SETUP_REQ 0 480 #define MNF_SETUP_RESP 1 481 #define MNF_TEARDOWN 2 482 483 /* 484 * 802.11n Management Action Frames 485 */ 486 /* generic frame format */ 487 struct ieee80211_action { 488 uint8_t ia_category; 489 uint8_t ia_action; 490 } __packed; 491 492 /* 80211-2020 Table 9-51-Category values */ 493 #define IEEE80211_ACTION_CAT_SM 0 /* 9.6.2 Spectrum Management */ 494 #define IEEE80211_ACTION_CAT_QOS 1 /* 9.6.3 QoS */ 495 /* Reserved 2 was IEEE80211_ACTION_CAT_DLS */ 496 #define IEEE80211_ACTION_CAT_BA 3 /* 9.6.4 Block Ack */ 497 #define IEEE80211_ACTION_CAT_PUBLIC 4 /* 9.6.7 Public */ 498 #define IEEE80211_ACTION_CAT_RADIO_MEASUREMENT 5 /* 9.6.6 Radio Measurement */ 499 #define IEEE80211_ACTION_CAT_FAST_BSS_TRANSITION 6 /* 9.6.8 Fast BSS Transition */ 500 #define IEEE80211_ACTION_CAT_HT 7 /* 9.6.11 HT */ 501 #define IEEE80211_ACTION_CAT_SA_QUERY 8 /* 9.6.9 SA Query */ 502 #define IEEE80211_ACTION_CAT_PROTECTED_DUAL_OF_PUBLIC_ACTION 9 /* 9.6.10 Protected Dual of Public Action */ 503 #define IEEE80211_ACTION_CAT_WNM 10 /* 9.6.13 WNM */ 504 #define IEEE80211_ACTION_CAT_UNPROTECTED_WNM 11 /* 9.6.14 Unprotected WNM */ 505 #define IEEE80211_ACTION_CAT_TDLS 12 /* 9.6.12 TDLS */ 506 #define IEEE80211_ACTION_CAT_MESH 13 /* 9.6.16 Mesh */ 507 #define IEEE80211_ACTION_CAT_MULTIHOP 14 /* 9.6.17 Multihop */ 508 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* 9.6.15 Self-protected */ 509 #define IEEE80211_ACTION_CAT_DMG 16 /* 9.6.19 DMG */ 510 /* Reserved 17 (R)Wi-Fi Alliance */ 511 #define IEEE80211_ACTION_CAT_FAST_SESSION_TRANSFER 18 /* 9.6.20 Fast Session Transfer */ 512 #define IEEE80211_ACTION_CAT_ROBUST_AV_STREAMING 19 /* 9.6.18 Robust AV Streaming */ 513 #define IEEE80211_ACTION_CAT_UNPROTECTED_DMG 20 /* 9.6.21 Unprotected DMG */ 514 #define IEEE80211_ACTION_CAT_VHT 21 /* 9.6.22 VHT */ 515 #define IEEE80211_ACTION_CAT_UNPROTECTED_S1G 22 /* 9.6.24 Unprotected S1G */ 516 #define IEEE80211_ACTION_CAT_S1G 23 /* 9.6.25 S1G */ 517 #define IEEE80211_ACTION_CAT_FLOW_CONTROL 24 /* 9.6.26 Flow Control */ 518 #define IEEE80211_ACTION_CAT_CTL_RESP_MCS_NEG 25 /* 9.6.27 Control Response MCS Negotiation */ 519 #define IEEE80211_ACTION_CAT_FILS 26 /* 9.6.23 FILS */ 520 #define IEEE80211_ACTION_CAT_CDMG 27 /* 9.6.28 CDMG */ 521 #define IEEE80211_ACTION_CAT_CMMG 28 /* 9.6.29 CMMG */ 522 #define IEEE80211_ACTION_CAT_GLK 29 /* 9.6.30 GLK */ 523 #define IEEE80211_ACTION_CAT_HE 30 /* 9.6.31 HE, 80211ax-2021 */ 524 #define IEEE80211_ACTION_CAT_PROTECTED_HE 31 /* 9.6.32 Protected HE, 80211ax-2021 */ 525 /* Reserved 32-125 */ 526 #define IEEE80211_ACTION_CAT_VENDOR_SPECIFIC_PROTECTED 126 /* 9.6.5 Vendor-specific Protected */ 527 #define IEEE80211_ACTION_CAT_VENDOR 127 /* 9.6.5 Vendor-specific */ 528 /* Error 128-255 */ 529 530 531 /* 80211-2020 Table 9-346-Spectrum Management Action field values */ 532 enum ieee80211_action_sm { 533 IEEE80211_ACTION_SM_SMREQ = 0, /* Spectrum Measurement Request */ 534 IEEE80211_ACTION_SM_SMREP = 1, /* Spectrum Measurement Report */ 535 IEEE80211_ACTION_SM_TPCREQ = 2, /* TPC Request */ 536 IEEE80211_ACTION_SM_TPCREP = 3, /* TPC Report */ 537 IEEE80211_ACTION_SM_CSA = 4, /* Channel Switch Announcement */ 538 /* Reserved = 5-255 */ 539 }; 540 541 /* 80211-2020 Table 9-363-Radio Measurement Action field values */ 542 enum ieee80211_action_radio_measurement { 543 IEEE80211_ACTION_RADIO_MEASUREMENT_RMREQ = 0, /* Radio Measurement Request */ 544 IEEE80211_ACTION_RADIO_MEASUREMENT_RMREP = 1, /* Radio Measurement Report */ 545 IEEE80211_ACTION_RADIO_MEASUREMENT_LMREQ = 2, /* Link Measurement Request */ 546 IEEE80211_ACTION_RADIO_MEASUREMENT_LMREP = 3, /* Link Measurement Report */ 547 IEEE80211_ACTION_RADIO_MEASUREMENT_NRREQ = 4, /* Neighbor Report Request */ 548 IEEE80211_ACTION_RADIO_MEASUREMENT_NRRESP = 5, /* Neighbor Report Response */ 549 /* Reserved = 6-255 */ 550 }; 551 552 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 553 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 554 555 /* HT - recommended transmission channel width */ 556 struct ieee80211_action_ht_txchwidth { 557 struct ieee80211_action at_header; 558 uint8_t at_chwidth; 559 } __packed; 560 561 #define IEEE80211_A_HT_TXCHWIDTH_20 0 562 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 563 564 /* HT - MIMO Power Save (NB: D2.04) */ 565 struct ieee80211_action_ht_mimopowersave { 566 struct ieee80211_action am_header; 567 uint8_t am_control; 568 } __packed; 569 570 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 571 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 572 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 573 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 574 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 575 /* bits 2-7 reserved */ 576 577 /* Block Ack actions */ 578 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 579 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 580 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 581 582 /* Block Ack Parameter Set */ 583 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 584 #define IEEE80211_BAPS_BUFSIZ_S 6 585 #define IEEE80211_BAPS_TID 0x003c /* TID */ 586 #define IEEE80211_BAPS_TID_S 2 587 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 588 #define IEEE80211_BAPS_POLICY_S 1 589 #define IEEE80211_BAPS_AMSDU 0x0001 /* A-MSDU permitted */ 590 #define IEEE80211_BAPS_AMSDU_S 0 591 592 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 593 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 594 595 /* Block Ack Sequence Control */ 596 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 597 #define IEEE80211_BASEQ_START_S 4 598 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 599 #define IEEE80211_BASEQ_FRAG_S 0 600 601 /* Delayed Block Ack Parameter Set */ 602 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 603 #define IEEE80211_DELBAPS_TID_S 12 604 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 605 #define IEEE80211_DELBAPS_INIT_S 11 606 607 /* BA - ADDBA request */ 608 struct ieee80211_action_ba_addbarequest { 609 struct ieee80211_action rq_header; 610 uint8_t rq_dialogtoken; 611 uint16_t rq_baparamset; 612 uint16_t rq_batimeout; /* in TUs */ 613 uint16_t rq_baseqctl; 614 } __packed; 615 616 /* BA - ADDBA response */ 617 struct ieee80211_action_ba_addbaresponse { 618 struct ieee80211_action rs_header; 619 uint8_t rs_dialogtoken; 620 uint16_t rs_statuscode; 621 uint16_t rs_baparamset; 622 uint16_t rs_batimeout; /* in TUs */ 623 } __packed; 624 625 /* BA - DELBA */ 626 struct ieee80211_action_ba_delba { 627 struct ieee80211_action dl_header; 628 uint16_t dl_baparamset; 629 uint16_t dl_reasoncode; 630 } __packed; 631 632 /* BAR Control */ 633 #define IEEE80211_BAR_TID 0xf000 /* TID */ 634 #define IEEE80211_BAR_TID_S 12 635 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 636 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 637 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 638 639 /* BAR Starting Sequence Control */ 640 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 641 #define IEEE80211_BAR_SEQ_START_S 4 642 643 struct ieee80211_ba_request { 644 uint16_t rq_barctl; 645 uint16_t rq_barseqctl; 646 } __packed; 647 648 /* 649 * Control frames. 650 */ 651 struct ieee80211_frame_min { 652 uint8_t i_fc[2]; 653 uint8_t i_dur[2]; 654 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 655 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 656 /* FCS */ 657 } __packed; 658 659 struct ieee80211_frame_rts { 660 uint8_t i_fc[2]; 661 uint8_t i_dur[2]; 662 uint8_t i_ra[IEEE80211_ADDR_LEN]; 663 uint8_t i_ta[IEEE80211_ADDR_LEN]; 664 /* FCS */ 665 } __packed; 666 667 struct ieee80211_frame_cts { 668 uint8_t i_fc[2]; 669 uint8_t i_dur[2]; 670 uint8_t i_ra[IEEE80211_ADDR_LEN]; 671 /* FCS */ 672 } __packed; 673 674 struct ieee80211_frame_ack { 675 uint8_t i_fc[2]; 676 uint8_t i_dur[2]; 677 uint8_t i_ra[IEEE80211_ADDR_LEN]; 678 /* FCS */ 679 } __packed; 680 681 struct ieee80211_frame_pspoll { 682 uint8_t i_fc[2]; 683 uint8_t i_aid[2]; 684 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 685 uint8_t i_ta[IEEE80211_ADDR_LEN]; 686 /* FCS */ 687 } __packed; 688 689 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 690 uint8_t i_fc[2]; 691 uint8_t i_dur[2]; /* should be zero */ 692 uint8_t i_ra[IEEE80211_ADDR_LEN]; 693 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 694 /* FCS */ 695 } __packed; 696 697 struct ieee80211_frame_bar { 698 uint8_t i_fc[2]; 699 uint8_t i_dur[2]; 700 uint8_t i_ra[IEEE80211_ADDR_LEN]; 701 uint8_t i_ta[IEEE80211_ADDR_LEN]; 702 uint16_t i_ctl; 703 uint16_t i_seq; 704 /* FCS */ 705 } __packed; 706 707 /* 708 * BEACON management packets 709 * 710 * octet timestamp[8] 711 * octet beacon interval[2] 712 * octet capability information[2] 713 * information element 714 * octet elemid 715 * octet length 716 * octet information[length] 717 */ 718 719 #define IEEE80211_BEACON_INTERVAL(beacon) \ 720 ((beacon)[8] | ((beacon)[9] << 8)) 721 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 722 ((beacon)[10] | ((beacon)[11] << 8)) 723 724 #define IEEE80211_CAPINFO_ESS 0x0001 725 #define IEEE80211_CAPINFO_IBSS 0x0002 726 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 727 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 728 #define IEEE80211_CAPINFO_PRIVACY 0x0010 729 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 730 #define IEEE80211_CAPINFO_PBCC 0x0040 731 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 732 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 733 /* bit 9 is reserved */ 734 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 735 #define IEEE80211_CAPINFO_RSN 0x0800 736 /* bit 12 is reserved */ 737 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 738 /* bits 14-15 are reserved */ 739 740 #define IEEE80211_CAPINFO_BITS \ 741 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 742 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 743 "\16DSSOFDM" 744 745 /* 746 * 802.11i/WPA information element (maximally sized). 747 */ 748 struct ieee80211_ie_wpa { 749 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 750 uint8_t wpa_len; /* length in bytes */ 751 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 752 uint8_t wpa_type; /* OUI type */ 753 uint16_t wpa_version; /* spec revision */ 754 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 755 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 756 uint32_t wpa_uciphers[8];/* ciphers */ 757 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 758 uint32_t wpa_authsels[8];/* selectors */ 759 uint16_t wpa_caps; /* 802.11i capabilities */ 760 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 761 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 762 } __packed; 763 764 /* 765 * 802.11n HT Capability IE 766 * NB: these reflect D1.10 767 */ 768 struct ieee80211_ie_htcap { 769 uint8_t hc_id; /* element ID */ 770 uint8_t hc_len; /* length in bytes */ 771 uint16_t hc_cap; /* HT caps (see below) */ 772 uint8_t hc_param; /* HT params (see below) */ 773 uint8_t hc_mcsset[16]; /* supported MCS set */ 774 uint16_t hc_extcap; /* extended HT capabilities */ 775 uint32_t hc_txbf; /* txbf capabilities */ 776 uint8_t hc_antenna; /* antenna capabilities */ 777 } __packed; 778 779 /* HT capability flags (ht_cap) */ 780 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */ 781 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 782 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 783 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 784 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 785 /* NB: SMPS value 2 is reserved */ 786 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 787 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 788 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 789 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 790 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 791 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 792 #define IEEE80211_HTCAP_RXSTBC_S 8 793 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 794 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 795 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 796 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 797 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 798 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 799 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 800 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 801 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 802 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 803 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 804 805 #define IEEE80211_HTCAP_BITS \ 806 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 807 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 808 "\20LSIGTXOPPROT" 809 810 /* HT parameters (hc_param) */ 811 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 812 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 813 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 814 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 815 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 816 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 817 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 818 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 819 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 820 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 821 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 822 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 823 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 824 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 825 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 826 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 827 828 /* HT extended capabilities (hc_extcap) */ 829 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 830 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 831 #define IEEE80211_HTCAP_PCOTRANS_S 1 832 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 833 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 834 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 835 /* bits 3-7 reserved */ 836 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 837 #define IEEE80211_HTCAP_MCSFBACK_S 8 838 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 839 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 840 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 841 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 842 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 843 /* bits 12-15 reserved */ 844 845 /* 846 * 802.11n HT Information IE 847 */ 848 struct ieee80211_ie_htinfo { 849 uint8_t hi_id; /* element ID */ 850 uint8_t hi_len; /* length in bytes */ 851 uint8_t hi_ctrlchannel; /* primary channel */ 852 uint8_t hi_byte1; /* ht ie byte 1 */ 853 uint8_t hi_byte2; /* ht ie byte 2 */ 854 uint8_t hi_byte3; /* ht ie byte 3 */ 855 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 856 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 857 } __packed; 858 859 /* byte1 */ 860 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 861 #define IEEE80211_HTINFO_2NDCHAN_S 0 862 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 863 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 864 /* NB: 2 is reserved */ 865 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 866 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 867 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 868 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 869 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 870 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 871 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 872 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 873 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 874 #define IEEE80211_HTINFO_SIGRAN_S 5 875 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 876 /* XXX add rest */ 877 878 /* bytes 2+3 */ 879 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 880 #define IEEE80211_HTINFO_OPMODE_S 0 881 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 882 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 883 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 884 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 885 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 886 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 887 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 888 /* bits 5-15 reserved */ 889 890 /* bytes 4+5 */ 891 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 892 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 893 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 894 #define IEEE80211_HTINFO_40MHZPHASE 0x08 895 896 /* byte5 */ 897 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 898 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 899 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 900 901 /* 902 * 802.11ac definitions - 802.11ac-2013 . 903 */ 904 905 /* 906 * Maximum length of A-MPDU that the STA can RX in VHT. 907 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 908 */ 909 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0 910 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1 911 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2 912 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3 913 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4 914 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5 915 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6 916 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7 917 918 /* 919 * VHT MCS information. 920 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU 921 * data rate. 1Mbit/sec units. 922 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS; 923 * 2 bits each. 924 */ 925 926 /* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */ 927 enum ieee80211_vht_mcs_support { 928 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, /* MCS0-7 */ 929 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, /* MCS0-8 */ 930 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, /* MCS0-9 */ 931 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3 /* not supported */ 932 }; 933 934 struct ieee80211_vht_mcs_info { 935 uint16_t rx_mcs_map; 936 uint16_t rx_highest; 937 uint16_t tx_mcs_map; 938 uint16_t tx_highest; 939 } __packed; 940 941 /* 802.11ac-2013, 8.4.2.160.1 VHT Capabilities element structure */ 942 struct ieee80211_vht_cap { 943 uint32_t vht_cap_info; 944 struct ieee80211_vht_mcs_info supp_mcs; 945 } __packed; 946 947 /* 802.11ac-2013, Table 8-183x-VHT Operation Information subfields */ 948 enum ieee80211_vht_chanwidth { 949 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, /* 20 MHz or 40 MHz */ 950 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, /* 80MHz */ 951 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, /* 160MHz */ 952 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, /* 80+80MHz */ 953 /* 4..255 reserved. */ 954 }; 955 956 /* The name conflicts with the same structure in wpa. Only ifconfig needs this. */ 957 #if defined(_KERNEL) || defined(WANT_NET80211) 958 /* 802.11ac-2013 8.4.2.161 VHT Operation element */ 959 struct ieee80211_vht_operation { 960 uint8_t chan_width; /* enum ieee80211_vht_chanwidth */ 961 uint8_t center_freq_seq0_idx; /* 20/40/80/160 - VHT chan1 */ 962 uint8_t center_freq_seq1_idx; /* 80+80 - VHT chan2 */ 963 uint16_t basic_mcs_set; /* Basic VHT-MCS and NSS Set */ 964 } __packed; 965 #endif 966 967 /* 802.11ac VHT Capabilities */ 968 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000 969 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 970 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 971 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 972 #define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0 973 974 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 975 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2 976 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0 977 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1 978 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2 979 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3 980 981 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps) \ 982 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \ 983 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ) 984 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps) \ 985 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \ 986 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ) 987 988 #define IEEE80211_VHTCAP_RXLDPC 0x00000010 989 #define IEEE80211_VHTCAP_RXLDPC_S 4 990 991 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 992 #define IEEE80211_VHTCAP_SHORT_GI_80_S 5 993 994 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 995 #define IEEE80211_VHTCAP_SHORT_GI_160_S 6 996 997 #define IEEE80211_VHTCAP_TXSTBC 0x00000080 998 #define IEEE80211_VHTCAP_TXSTBC_S 7 999 1000 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 1001 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 1002 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 1003 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 1004 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 1005 #define IEEE80211_VHTCAP_RXSTBC_MASK_S 8 1006 1007 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 1008 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11 1009 1010 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1011 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12 1012 1013 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 1014 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ 1015 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) 1016 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13 1017 1018 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 1019 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ 1020 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) 1021 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16 1022 1023 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 1024 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19 1025 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1026 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20 1027 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 1028 #define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21 1029 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000 1030 #define IEEE80211_VHTCAP_HTC_VHT_S 22 1031 1032 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1033 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1034 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1035 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23 1036 1037 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000 1038 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1039 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1040 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26 1041 1042 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 1043 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28 1044 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 1045 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29 1046 1047 /* 1048 * XXX TODO: add the rest of the bits 1049 */ 1050 #define IEEE80211_VHTCAP_BITS \ 1051 "\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \ 1052 "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \ 1053 "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN" 1054 1055 /* 1056 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164 1057 * 1058 * This defines the maximum transmit power for various bandwidths. 1059 */ 1060 /* 1061 * Count is how many elements follow and what they're for: 1062 * 1063 * 0 - 20 MHz 1064 * 1 - 20+40 MHz 1065 * 2 - 20+40+80 MHz 1066 * 3 - 20+40+80+(160, 80+80) MHz 1067 */ 1068 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0 1069 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07 1070 1071 /* 1072 * Unit is the tx power representation. It should be EIRP for now; 1073 * other values are reserved. 1074 */ 1075 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38 1076 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3 1077 1078 /* This value is within the unit mask/shift above */ 1079 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0 1080 1081 struct ieee80211_ie_vht_txpwrenv { 1082 uint8_t ie; 1083 uint8_t len; 1084 uint8_t tx_info; 1085 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */ 1086 }; 1087 1088 /* VHT action codes */ 1089 #define WLAN_ACTION_VHT_COMPRESSED_BF 0 1090 #define WLAN_ACTION_VHT_GROUPID_MGMT 1 1091 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2 1092 1093 /* 1094 * Management information element payloads. 1095 * 1096 * 802.11-2016 Table 9-77 (Element IDs). 1097 */ 1098 1099 enum { 1100 IEEE80211_ELEMID_SSID = 0, 1101 IEEE80211_ELEMID_RATES = 1, 1102 IEEE80211_ELEMID_FHPARMS = 2, 1103 IEEE80211_ELEMID_DSPARMS = 3, 1104 IEEE80211_ELEMID_CFPARMS = 4, 1105 IEEE80211_ELEMID_TIM = 5, 1106 IEEE80211_ELEMID_IBSSPARMS = 6, 1107 IEEE80211_ELEMID_COUNTRY = 7, 1108 IEEE80211_ELEMID_BSSLOAD = 11, 1109 IEEE80211_ELEMID_TSPEC = 13, 1110 IEEE80211_ELEMID_TCLAS = 14, 1111 IEEE80211_ELEMID_CHALLENGE = 16, 1112 /* 17-31 reserved for challenge text extension */ 1113 IEEE80211_ELEMID_PWRCNSTR = 32, 1114 IEEE80211_ELEMID_PWRCAP = 33, 1115 IEEE80211_ELEMID_TPCREQ = 34, 1116 IEEE80211_ELEMID_TPCREP = 35, 1117 IEEE80211_ELEMID_SUPPCHAN = 36, 1118 IEEE80211_ELEMID_CSA = 37, 1119 IEEE80211_ELEMID_MEASREQ = 38, 1120 IEEE80211_ELEMID_MEASREP = 39, 1121 IEEE80211_ELEMID_QUIET = 40, 1122 IEEE80211_ELEMID_IBSSDFS = 41, 1123 IEEE80211_ELEMID_ERP = 42, 1124 IEEE80211_ELEMID_HTCAP = 45, 1125 IEEE80211_ELEMID_QOS = 46, 1126 IEEE80211_ELEMID_RESERVED_47 = 47, 1127 IEEE80211_ELEMID_RSN = 48, 1128 IEEE80211_ELEMID_XRATES = 50, 1129 IEEE80211_ELEMID_APCHANREP = 51, 1130 IEEE80211_ELEMID_MOBILITY_DOMAIN = 54, 1131 IEEE80211_ELEMID_HTINFO = 61, 1132 IEEE80211_ELEMID_SECCHAN_OFFSET = 62, 1133 IEEE80211_ELEMID_RRM_ENACAPS = 70, 1134 IEEE80211_ELEMID_MULTIBSSID = 71, 1135 IEEE80211_ELEMID_COEX_2040 = 72, 1136 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73, 1137 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74, 1138 IEEE80211_ELEMID_MMIC = 76, 1139 IEEE80211_ELEMID_TSF_REQ = 91, 1140 IEEE80211_ELEMID_TSF_RESP = 92, 1141 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93, 1142 IEEE80211_ELEMID_TIM_BCAST_REQ = 94, 1143 IEEE80211_ELEMID_TIM_BCAST_RESP = 95, 1144 IEEE80211_ELEMID_TPC = 150, 1145 IEEE80211_ELEMID_CCKM = 156, 1146 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 1147 1148 /* 1149 * 802.11s IEs 1150 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 1151 * but they defined a new with id 117 called PEER_MGMT. 1152 * NB: complies with open80211 1153 */ 1154 IEEE80211_ELEMID_MESHCONF = 113, 1155 IEEE80211_ELEMID_MESHID = 114, 1156 IEEE80211_ELEMID_MESHLINK = 115, 1157 IEEE80211_ELEMID_MESHCNGST = 116, 1158 IEEE80211_ELEMID_MESHPEER = 117, 1159 IEEE80211_ELEMID_MESHCSA = 118, 1160 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 1161 IEEE80211_ELEMID_MESHAWAKEW = 119, 1162 IEEE80211_ELEMID_MESHBEACONT = 120, 1163 /* 121-124 MMCAOP not implemented yet */ 1164 IEEE80211_ELEMID_MESHGANN = 125, 1165 IEEE80211_ELEMID_MESHRANN = 126, 1166 /* 127 Extended Capabilities */ 1167 IEEE80211_ELEMID_EXTCAP = 127, 1168 /* 128-129 reserved */ 1169 IEEE80211_ELEMID_MESHPREQ = 130, 1170 IEEE80211_ELEMID_MESHPREP = 131, 1171 IEEE80211_ELEMID_MESHPERR = 132, 1172 /* 133-136 reserved */ 1173 IEEE80211_ELEMID_MESHPXU = 137, 1174 IEEE80211_ELEMID_MESHPXUC = 138, 1175 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 1176 1177 /* 802.11ac-2013, Table 8-54-Element IDs */ 1178 IEEE80211_ELEMID_VHT_CAP = 191, 1179 IEEE80211_ELEMID_VHT_OPMODE = 192, 1180 IEEE80211_ELEMID_EXTENDED_BSS_LOAD = 193, 1181 IEEE80211_ELEMID_WIDE_BW_CHANNEL_SWITCH = 194, 1182 IEEE80211_ELEMID_VHT_PWR_ENV = 195, 1183 IEEE80211_ELEMID_CHANNEL_SWITCH_WRAPPER = 196, 1184 IEEE80211_ELEMID_AID = 197, 1185 IEEE80211_ELEMID_QUIET_CHANNEL = 198, 1186 IEEE80211_ELEMID_OPMODE_NOTIF = 199, 1187 }; 1188 1189 struct ieee80211_tim_ie { 1190 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 1191 uint8_t tim_len; 1192 uint8_t tim_count; /* DTIM count */ 1193 uint8_t tim_period; /* DTIM period */ 1194 uint8_t tim_bitctl; /* bitmap control */ 1195 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 1196 } __packed; 1197 1198 struct ieee80211_country_ie { 1199 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 1200 uint8_t len; 1201 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 1202 struct { 1203 uint8_t schan; /* starting channel */ 1204 uint8_t nchan; /* number channels */ 1205 uint8_t maxtxpwr; /* tx power cap */ 1206 } __packed band[1]; /* sub bands (NB: var size) */ 1207 } __packed; 1208 1209 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 1210 #define IEEE80211_COUNTRY_MAX_SIZE \ 1211 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 1212 1213 struct ieee80211_bss_load_ie { 1214 uint8_t ie; 1215 uint8_t len; 1216 uint16_t sta_count; /* station count */ 1217 uint8_t chan_load; /* channel utilization */ 1218 uint8_t aac; /* available admission capacity */ 1219 } __packed; 1220 1221 struct ieee80211_ap_chan_report_ie { 1222 uint8_t ie; 1223 uint8_t len; 1224 uint8_t i_class; /* operating class */ 1225 /* Annex E, E.1 Country information and operating classes */ 1226 uint8_t chan_list[0]; 1227 } __packed; 1228 1229 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */ 1230 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1) 1231 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */ 1232 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3) 1233 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */ 1234 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5) 1235 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6) 1236 #define IEEE80211_EXTCAP_EVENT (1ULL << 7) 1237 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8) 1238 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9) 1239 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10) 1240 #define IEEE80211_EXTCAP_FMS (1ULL << 11) 1241 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12) 1242 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */ 1243 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14) 1244 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15) 1245 #define IEEE80211_EXTCAP_TFS (1ULL << 16) 1246 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17) 1247 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18) 1248 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19) 1249 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20) 1250 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21) 1251 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */ 1252 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23) 1253 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24) 1254 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25) 1255 #define IEEE80211_EXTCAP_DMS (1ULL << 26) 1256 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27) 1257 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */ 1258 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */ 1259 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */ 1260 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31) 1261 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32) 1262 #define IEEE80211_EXTCAP_EBR (1ULL << 33) 1263 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34) 1264 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35) 1265 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36) 1266 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37) 1267 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38) 1268 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */ 1269 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */ 1270 /* service interval granularity */ 1271 #define IEEE80211_EXTCAP_SIG \ 1272 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43)) 1273 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44) 1274 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45) 1275 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46) 1276 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47) 1277 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */ 1278 /* bits 49-n are reserved */ 1279 1280 struct ieee80211_extcap_ie { 1281 uint8_t ie; 1282 uint8_t len; 1283 } __packed; 1284 1285 /* 1286 * 802.11h Quiet Time Element. 1287 */ 1288 struct ieee80211_quiet_ie { 1289 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 1290 uint8_t len; 1291 uint8_t tbttcount; /* quiet start */ 1292 uint8_t period; /* beacon intervals between quiets */ 1293 uint16_t duration; /* TUs of each quiet*/ 1294 uint16_t offset; /* TUs of from TBTT of quiet start */ 1295 } __packed; 1296 1297 /* 1298 * 802.11h Channel Switch Announcement (CSA). 1299 */ 1300 struct ieee80211_csa_ie { 1301 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 1302 uint8_t csa_len; 1303 uint8_t csa_mode; /* Channel Switch Mode */ 1304 uint8_t csa_newchan; /* New Channel Number */ 1305 uint8_t csa_count; /* Channel Switch Count */ 1306 } __packed; 1307 1308 /* 1309 * Note the min acceptable CSA count is used to guard against 1310 * malicious CSA injection in station mode. Defining this value 1311 * as other than 0 violates the 11h spec. 1312 */ 1313 #define IEEE80211_CSA_COUNT_MIN 2 1314 #define IEEE80211_CSA_COUNT_MAX 255 1315 1316 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 1317 #define IEEE80211_RATE_BASIC 0x80 1318 #define IEEE80211_RATE_VAL 0x7f 1319 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 1320 1321 /* ERP information element flags */ 1322 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 1323 #define IEEE80211_ERP_USE_PROTECTION 0x02 1324 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 1325 1326 #define IEEE80211_ERP_BITS \ 1327 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 1328 1329 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 1330 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 1331 1332 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 1333 #define TDMA_OUI ATH_OUI 1334 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 1335 1336 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 1337 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 1338 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 1339 1340 #define WPA_OUI 0xf25000 1341 #define WPA_OUI_TYPE 0x01 1342 #define WPA_VERSION 1 /* current supported version */ 1343 1344 #define WPA_CSE_NULL 0x00 1345 #define WPA_CSE_WEP40 0x01 1346 #define WPA_CSE_TKIP 0x02 1347 #define WPA_CSE_CCMP 0x04 /* CCMP 128-bit */ 1348 #define WPA_CSE_WEP104 0x05 1349 1350 #define WPA_ASE_NONE 0x00 1351 #define WPA_ASE_8021X_UNSPEC 0x01 1352 #define WPA_ASE_8021X_PSK 0x02 1353 1354 #define WPS_OUI_TYPE 0x04 1355 1356 /* 802.11-2016 Table 9-131 - Cipher Suite Selectors */ 1357 #define RSN_OUI 0xac0f00 1358 #define RSN_VERSION 1 /* current supported version */ 1359 1360 /* RSN cipher suite element */ 1361 #define RSN_CSE_NULL 0 1362 #define RSN_CSE_WEP40 1 1363 #define RSN_CSE_TKIP 2 1364 #define RSN_CSE_WRAP 3 /* Reserved in the 802.11-2016 */ 1365 #define RSN_CSE_CCMP 4 /* CCMP 128 bit */ 1366 #define RSN_CSE_WEP104 5 1367 #define RSN_CSE_BIP_CMAC_128 6 1368 /* 7 - "Group addressed traffic not allowed" */ 1369 #define RSN_CSE_GCMP_128 8 1370 #define RSN_CSE_GCMP_256 9 1371 #define RSN_CSE_CCMP_256 10 1372 #define RSN_CSE_BIP_GMAC_128 11 1373 #define RSN_CSE_BIP_GMAC_256 12 1374 #define RSN_CSE_BIP_CMAC_256 13 1375 1376 /* 802.11-2016 Table 9-133 - AKM suite selectors */ 1377 /* RSN AKM suite element */ 1378 #define RSN_ASE_NONE 0 1379 #define RSN_ASE_8021X_UNSPEC 1 1380 #define RSN_ASE_8021X_PSK 2 1381 #define RSN_ASE_FT_8021X 3 /* SHA-256 */ 1382 #define RSN_ASE_FT_PSK 4 /* SHA-256 */ 1383 #define RSN_ASE_8021X_UNSPEC_SHA256 5 1384 #define RSN_ASE_8021X_PSK_SHA256 6 1385 #define RSN_ASE_8021X_TDLS 7 /* SHA-256 */ 1386 #define RSN_ASE_SAE_UNSPEC 8 /* SHA-256 */ 1387 #define RSN_ASE_FT_SAE 9 /* SHA-256 */ 1388 #define RSN_ASE_AP_PEERKEY 10 /* SHA-256 */ 1389 #define RSN_ASE_8021X_SUITE_B_SHA256 11 1390 #define RSN_ASE_8021X_SUITE_B_SHA384 12 1391 #define RSN_ASE_FT_8021X_SHA384 13 1392 1393 /* 802.11-2016 Figure 9-257 - RSN Capabilities (2 byte field) */ 1394 #define RSN_CAP_PREAUTH 0x0001 1395 #define RSN_CAP_NO_PAIRWISE 0x0002 1396 #define RSN_CAP_PTKSA_REPLAY_COUNTER 0x000c /* 2 bit field */ 1397 #define RSN_CAP_GTKSA_REPLAY_COUNTER 0x0030 /* 2 bit field */ 1398 #define RSN_CAP_MFP_REQUIRED 0x0040 1399 #define RSN_CAP_MFP_CAPABLE 0x0080 1400 #define RSN_CAP_JOINT_MULTIBAND_RSNA 0x0100 1401 #define RSN_CAP_PEERKEY_ENABLED 0x0200 1402 #define RSN_CAP_SPP_AMSDU_CAPABLE 0x0400 1403 #define RSN_CAP_SPP_AMSDU_REQUIRED 0x0800 1404 #define RSN_CAP_PBAC_CAPABLE 0x1000 1405 #define RSN_CAP_EXT_KEYID_CAPABLE 0x0200 1406 1407 /* 802.11-2016 Table 9-134 PTKSA/GTKSA/STKSA replay counters usage */ 1408 #define RSN_CAP_REPLAY_COUNTER_1_PER 0 1409 #define RSN_CAP_REPLAY_COUNTER_2_PER 1 1410 #define RSN_CAP_REPLAY_COUNTER_4_PER 2 1411 #define RSN_CAP_REPLAY_COUNTER_16_PER 3 1412 1413 #define WME_OUI 0xf25000 1414 #define WME_OUI_TYPE 0x02 1415 #define WME_INFO_OUI_SUBTYPE 0x00 1416 #define WME_PARAM_OUI_SUBTYPE 0x01 1417 #define WME_VERSION 1 1418 1419 /* WME stream classes */ 1420 #define WME_AC_BE 0 /* best effort */ 1421 #define WME_AC_BK 1 /* background */ 1422 #define WME_AC_VI 2 /* video */ 1423 #define WME_AC_VO 3 /* voice */ 1424 1425 /* 1426 * AUTH management packets 1427 * 1428 * octet algo[2] 1429 * octet seq[2] 1430 * octet status[2] 1431 * octet chal.id 1432 * octet chal.length 1433 * octet chal.text[253] NB: 1-253 bytes 1434 */ 1435 1436 /* challenge length for shared key auth */ 1437 #define IEEE80211_CHALLENGE_LEN 128 1438 1439 #define IEEE80211_AUTH_ALG_OPEN 0x0000 1440 #define IEEE80211_AUTH_ALG_SHARED 0x0001 1441 #define IEEE80211_AUTH_ALG_LEAP 0x0080 1442 1443 enum { 1444 IEEE80211_AUTH_OPEN_REQUEST = 1, 1445 IEEE80211_AUTH_OPEN_RESPONSE = 2, 1446 }; 1447 1448 enum { 1449 IEEE80211_AUTH_SHARED_REQUEST = 1, 1450 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 1451 IEEE80211_AUTH_SHARED_RESPONSE = 3, 1452 IEEE80211_AUTH_SHARED_PASS = 4, 1453 }; 1454 1455 /* 1456 * Reason and status codes. 1457 * 1458 * Reason codes are used in management frames to indicate why an 1459 * action took place (e.g. on disassociation). Status codes are 1460 * used in management frames to indicate the result of an operation. 1461 * 1462 * Unlisted codes are reserved 1463 */ 1464 1465 enum { 1466 IEEE80211_REASON_UNSPECIFIED = 1, 1467 IEEE80211_REASON_AUTH_EXPIRE = 2, 1468 IEEE80211_REASON_AUTH_LEAVE = 3, 1469 IEEE80211_REASON_ASSOC_EXPIRE = 4, 1470 IEEE80211_REASON_ASSOC_TOOMANY = 5, 1471 IEEE80211_REASON_NOT_AUTHED = 6, 1472 IEEE80211_REASON_NOT_ASSOCED = 7, 1473 IEEE80211_REASON_ASSOC_LEAVE = 8, 1474 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 1475 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 1476 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 1477 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 1478 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 1479 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 1480 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 1481 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 1482 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 1483 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 1484 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 1485 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 1486 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 1487 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 1488 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 1489 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 1490 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 1491 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 1492 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 1493 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 1494 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 1495 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 1496 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 1497 1498 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 1499 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 1500 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 1501 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 1502 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 1503 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 1504 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 1505 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 1506 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 1507 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 1508 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 1509 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 1510 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 1511 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 1512 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 1513 1514 IEEE80211_STATUS_SUCCESS = 0, 1515 IEEE80211_STATUS_UNSPECIFIED = 1, 1516 IEEE80211_STATUS_CAPINFO = 10, 1517 IEEE80211_STATUS_NOT_ASSOCED = 11, 1518 IEEE80211_STATUS_OTHER = 12, 1519 IEEE80211_STATUS_ALG = 13, 1520 IEEE80211_STATUS_SEQUENCE = 14, 1521 IEEE80211_STATUS_CHALLENGE = 15, 1522 IEEE80211_STATUS_TIMEOUT = 16, 1523 IEEE80211_STATUS_TOOMANY = 17, 1524 IEEE80211_STATUS_BASIC_RATE = 18, 1525 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 1526 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 1527 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 1528 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 1529 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 1530 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 1531 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 1532 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 1533 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 1534 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 1535 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 1536 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 1537 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 1538 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 1539 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1540 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1541 }; 1542 1543 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1544 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1545 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1546 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1547 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1548 IEEE80211_WEP_KIDLEN + \ 1549 IEEE80211_WEP_CRCLEN) 1550 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 1551 1552 /* 1553 * 802.11i defines an extended IV for use with non-WEP ciphers. 1554 * When the EXTIV bit is set in the key id byte an additional 1555 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1556 * EXTIV bit is likewise set but the 8 bytes represent the 1557 * CCMP header rather than IV+extended-IV. 1558 */ 1559 #define IEEE80211_WEP_EXTIV 0x20 1560 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1561 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1562 1563 #define IEEE80211_CRC_LEN 4 1564 1565 /* 1566 * Maximum acceptable MTU is: 1567 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1568 * QoS overhead - RSN/WPA overhead 1569 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1570 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1571 */ 1572 #define IEEE80211_MTU_MAX 2290 1573 #define IEEE80211_MTU_MIN 32 1574 1575 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1576 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1577 #define IEEE80211_ACK_LEN \ 1578 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1579 #define IEEE80211_MIN_LEN \ 1580 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1581 1582 /* 1583 * The 802.11 spec says at most 2007 stations may be 1584 * associated at once. For most AP's this is way more 1585 * than is feasible so we use a default of IEEE80211_AID_DEF. 1586 * This number may be overridden by the driver and/or by 1587 * user configuration but may not be less than IEEE80211_AID_MIN 1588 * (see _ieee80211.h for implementation-specific settings). 1589 */ 1590 #define IEEE80211_AID_MAX 2007 1591 1592 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1593 1594 /* 1595 * RTS frame length parameters. The default is specified in 1596 * the 802.11 spec as 512; we treat it as implementation-dependent 1597 * so it's defined in ieee80211_var.h. The max may be wrong 1598 * for jumbo frames. 1599 */ 1600 #define IEEE80211_RTS_MIN 1 1601 #define IEEE80211_RTS_MAX 2346 1602 1603 /* 1604 * TX fragmentation parameters. As above for RTS, we treat 1605 * default as implementation-dependent so define it elsewhere. 1606 */ 1607 #define IEEE80211_FRAG_MIN 256 1608 #define IEEE80211_FRAG_MAX 2346 1609 1610 /* 1611 * Beacon interval (TU's). Min+max come from WiFi requirements. 1612 * As above, we treat default as implementation-dependent so 1613 * define it elsewhere. 1614 */ 1615 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1616 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1617 1618 /* 1619 * DTIM period (beacons). Min+max are not really defined 1620 * by the protocol but we want them publicly visible so 1621 * define them here. 1622 */ 1623 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1624 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1625 1626 /* 1627 * Beacon miss threshold (beacons). As for DTIM, we define 1628 * them here to be publicly visible. Note the max may be 1629 * clamped depending on device capabilities. 1630 */ 1631 #define IEEE80211_HWBMISS_MIN 1 1632 #define IEEE80211_HWBMISS_MAX 255 1633 1634 /* 1635 * 802.11 frame duration definitions. 1636 */ 1637 1638 struct ieee80211_duration { 1639 uint16_t d_rts_dur; 1640 uint16_t d_data_dur; 1641 uint16_t d_plcp_len; 1642 uint8_t d_residue; /* unused octets in time slot */ 1643 }; 1644 1645 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1646 #define IEEE80211_DUR_TU 1024 1647 1648 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1649 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1650 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1651 1652 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1653 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1654 #define IEEE80211_DUR_DS_SLOW_ACK 112 1655 #define IEEE80211_DUR_DS_FAST_ACK 56 1656 #define IEEE80211_DUR_DS_SLOW_CTS 112 1657 #define IEEE80211_DUR_DS_FAST_CTS 56 1658 1659 #define IEEE80211_DUR_DS_SLOT 20 1660 #define IEEE80211_DUR_DS_SIFS 10 1661 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1662 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1663 2 * IEEE80211_DUR_DS_SLOT) 1664 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1665 IEEE80211_DUR_DS_SLOW_ACK + \ 1666 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1667 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1668 IEEE80211_DUR_DIFS) 1669 1670 #endif /* _NET80211_IEEE80211_H_ */ 1671