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 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 420 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 421 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 422 #define IEEE80211_ACTION_CAT_BA 3 /* BA */ 423 #define IEEE80211_ACTION_CAT_HT 7 /* HT */ 424 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 425 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 426 /* 16 - 125 reserved */ 427 #define IEEE80211_ACTION_CAT_VHT 21 428 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 429 430 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 431 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 432 433 /* HT - recommended transmission channel width */ 434 struct ieee80211_action_ht_txchwidth { 435 struct ieee80211_action at_header; 436 uint8_t at_chwidth; 437 } __packed; 438 439 #define IEEE80211_A_HT_TXCHWIDTH_20 0 440 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 441 442 /* HT - MIMO Power Save (NB: D2.04) */ 443 struct ieee80211_action_ht_mimopowersave { 444 struct ieee80211_action am_header; 445 uint8_t am_control; 446 } __packed; 447 448 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 449 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 450 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 451 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 452 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 453 /* bits 2-7 reserved */ 454 455 /* Block Ack actions */ 456 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 457 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 458 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 459 460 /* Block Ack Parameter Set */ 461 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 462 #define IEEE80211_BAPS_BUFSIZ_S 6 463 #define IEEE80211_BAPS_TID 0x003c /* TID */ 464 #define IEEE80211_BAPS_TID_S 2 465 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 466 #define IEEE80211_BAPS_POLICY_S 1 467 #define IEEE80211_BAPS_AMSDU 0x0001 /* A-MSDU permitted */ 468 #define IEEE80211_BAPS_AMSDU_S 0 469 470 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 471 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 472 473 /* Block Ack Sequence Control */ 474 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 475 #define IEEE80211_BASEQ_START_S 4 476 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 477 #define IEEE80211_BASEQ_FRAG_S 0 478 479 /* Delayed Block Ack Parameter Set */ 480 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 481 #define IEEE80211_DELBAPS_TID_S 12 482 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 483 #define IEEE80211_DELBAPS_INIT_S 11 484 485 /* BA - ADDBA request */ 486 struct ieee80211_action_ba_addbarequest { 487 struct ieee80211_action rq_header; 488 uint8_t rq_dialogtoken; 489 uint16_t rq_baparamset; 490 uint16_t rq_batimeout; /* in TUs */ 491 uint16_t rq_baseqctl; 492 } __packed; 493 494 /* BA - ADDBA response */ 495 struct ieee80211_action_ba_addbaresponse { 496 struct ieee80211_action rs_header; 497 uint8_t rs_dialogtoken; 498 uint16_t rs_statuscode; 499 uint16_t rs_baparamset; 500 uint16_t rs_batimeout; /* in TUs */ 501 } __packed; 502 503 /* BA - DELBA */ 504 struct ieee80211_action_ba_delba { 505 struct ieee80211_action dl_header; 506 uint16_t dl_baparamset; 507 uint16_t dl_reasoncode; 508 } __packed; 509 510 /* BAR Control */ 511 #define IEEE80211_BAR_TID 0xf000 /* TID */ 512 #define IEEE80211_BAR_TID_S 12 513 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 514 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 515 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 516 517 /* BAR Starting Sequence Control */ 518 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 519 #define IEEE80211_BAR_SEQ_START_S 4 520 521 struct ieee80211_ba_request { 522 uint16_t rq_barctl; 523 uint16_t rq_barseqctl; 524 } __packed; 525 526 /* 527 * Control frames. 528 */ 529 struct ieee80211_frame_min { 530 uint8_t i_fc[2]; 531 uint8_t i_dur[2]; 532 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 533 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 534 /* FCS */ 535 } __packed; 536 537 struct ieee80211_frame_rts { 538 uint8_t i_fc[2]; 539 uint8_t i_dur[2]; 540 uint8_t i_ra[IEEE80211_ADDR_LEN]; 541 uint8_t i_ta[IEEE80211_ADDR_LEN]; 542 /* FCS */ 543 } __packed; 544 545 struct ieee80211_frame_cts { 546 uint8_t i_fc[2]; 547 uint8_t i_dur[2]; 548 uint8_t i_ra[IEEE80211_ADDR_LEN]; 549 /* FCS */ 550 } __packed; 551 552 struct ieee80211_frame_ack { 553 uint8_t i_fc[2]; 554 uint8_t i_dur[2]; 555 uint8_t i_ra[IEEE80211_ADDR_LEN]; 556 /* FCS */ 557 } __packed; 558 559 struct ieee80211_frame_pspoll { 560 uint8_t i_fc[2]; 561 uint8_t i_aid[2]; 562 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 563 uint8_t i_ta[IEEE80211_ADDR_LEN]; 564 /* FCS */ 565 } __packed; 566 567 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 568 uint8_t i_fc[2]; 569 uint8_t i_dur[2]; /* should be zero */ 570 uint8_t i_ra[IEEE80211_ADDR_LEN]; 571 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 572 /* FCS */ 573 } __packed; 574 575 struct ieee80211_frame_bar { 576 uint8_t i_fc[2]; 577 uint8_t i_dur[2]; 578 uint8_t i_ra[IEEE80211_ADDR_LEN]; 579 uint8_t i_ta[IEEE80211_ADDR_LEN]; 580 uint16_t i_ctl; 581 uint16_t i_seq; 582 /* FCS */ 583 } __packed; 584 585 /* 586 * BEACON management packets 587 * 588 * octet timestamp[8] 589 * octet beacon interval[2] 590 * octet capability information[2] 591 * information element 592 * octet elemid 593 * octet length 594 * octet information[length] 595 */ 596 597 #define IEEE80211_BEACON_INTERVAL(beacon) \ 598 ((beacon)[8] | ((beacon)[9] << 8)) 599 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 600 ((beacon)[10] | ((beacon)[11] << 8)) 601 602 #define IEEE80211_CAPINFO_ESS 0x0001 603 #define IEEE80211_CAPINFO_IBSS 0x0002 604 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 605 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 606 #define IEEE80211_CAPINFO_PRIVACY 0x0010 607 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 608 #define IEEE80211_CAPINFO_PBCC 0x0040 609 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 610 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 611 /* bit 9 is reserved */ 612 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 613 #define IEEE80211_CAPINFO_RSN 0x0800 614 /* bit 12 is reserved */ 615 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 616 /* bits 14-15 are reserved */ 617 618 #define IEEE80211_CAPINFO_BITS \ 619 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 620 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 621 "\16DSSOFDM" 622 623 /* 624 * 802.11i/WPA information element (maximally sized). 625 */ 626 struct ieee80211_ie_wpa { 627 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 628 uint8_t wpa_len; /* length in bytes */ 629 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 630 uint8_t wpa_type; /* OUI type */ 631 uint16_t wpa_version; /* spec revision */ 632 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 633 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 634 uint32_t wpa_uciphers[8];/* ciphers */ 635 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 636 uint32_t wpa_authsels[8];/* selectors */ 637 uint16_t wpa_caps; /* 802.11i capabilities */ 638 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 639 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 640 } __packed; 641 642 /* 643 * 802.11n HT Capability IE 644 * NB: these reflect D1.10 645 */ 646 struct ieee80211_ie_htcap { 647 uint8_t hc_id; /* element ID */ 648 uint8_t hc_len; /* length in bytes */ 649 uint16_t hc_cap; /* HT caps (see below) */ 650 uint8_t hc_param; /* HT params (see below) */ 651 uint8_t hc_mcsset[16]; /* supported MCS set */ 652 uint16_t hc_extcap; /* extended HT capabilities */ 653 uint32_t hc_txbf; /* txbf capabilities */ 654 uint8_t hc_antenna; /* antenna capabilities */ 655 } __packed; 656 657 /* HT capability flags (ht_cap) */ 658 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */ 659 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 660 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 661 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 662 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 663 /* NB: SMPS value 2 is reserved */ 664 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 665 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 666 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 667 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 668 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 669 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 670 #define IEEE80211_HTCAP_RXSTBC_S 8 671 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 672 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 673 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 674 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 675 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 676 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 677 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 678 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 679 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 680 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 681 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 682 683 #define IEEE80211_HTCAP_BITS \ 684 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 685 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 686 "\20LSIGTXOPPROT" 687 688 /* HT parameters (hc_param) */ 689 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 690 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 691 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 692 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 693 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 694 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 695 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 696 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 697 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 698 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 699 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 700 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 701 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 702 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 703 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 704 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 705 706 /* HT extended capabilities (hc_extcap) */ 707 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 708 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 709 #define IEEE80211_HTCAP_PCOTRANS_S 1 710 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 711 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 712 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 713 /* bits 3-7 reserved */ 714 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 715 #define IEEE80211_HTCAP_MCSFBACK_S 8 716 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 717 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 718 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 719 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 720 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 721 /* bits 12-15 reserved */ 722 723 /* 724 * 802.11n HT Information IE 725 */ 726 struct ieee80211_ie_htinfo { 727 uint8_t hi_id; /* element ID */ 728 uint8_t hi_len; /* length in bytes */ 729 uint8_t hi_ctrlchannel; /* primary channel */ 730 uint8_t hi_byte1; /* ht ie byte 1 */ 731 uint8_t hi_byte2; /* ht ie byte 2 */ 732 uint8_t hi_byte3; /* ht ie byte 3 */ 733 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 734 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 735 } __packed; 736 737 /* byte1 */ 738 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 739 #define IEEE80211_HTINFO_2NDCHAN_S 0 740 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 741 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 742 /* NB: 2 is reserved */ 743 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 744 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 745 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 746 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 747 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 748 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 749 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 750 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 751 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 752 #define IEEE80211_HTINFO_SIGRAN_S 5 753 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 754 /* XXX add rest */ 755 756 /* bytes 2+3 */ 757 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 758 #define IEEE80211_HTINFO_OPMODE_S 0 759 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 760 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 761 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 762 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 763 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 764 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 765 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 766 /* bits 5-15 reserved */ 767 768 /* bytes 4+5 */ 769 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 770 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 771 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 772 #define IEEE80211_HTINFO_40MHZPHASE 0x08 773 774 /* byte5 */ 775 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 776 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 777 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 778 779 /* 780 * 802.11ac definitions - 802.11ac-2013 . 781 */ 782 783 /* 784 * Maximum length of A-MPDU that the STA can RX in VHT. 785 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 786 */ 787 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0 788 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1 789 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2 790 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3 791 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4 792 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5 793 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6 794 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7 795 796 /* 797 * VHT MCS information. 798 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU 799 * data rate. 1Mbit/sec units. 800 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS; 801 * 2 bits each. 802 */ 803 804 /* 802.11ac-2013, 8.4.2.160.3 Supported VHT-MCS and NSS Set field */ 805 enum ieee80211_vht_mcs_support { 806 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, /* MCS0-7 */ 807 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, /* MCS0-8 */ 808 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, /* MCS0-9 */ 809 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3 /* not supported */ 810 }; 811 812 struct ieee80211_vht_mcs_info { 813 uint16_t rx_mcs_map; 814 uint16_t rx_highest; 815 uint16_t tx_mcs_map; 816 uint16_t tx_highest; 817 } __packed; 818 819 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */ 820 struct ieee80211_ie_vhtcap { 821 uint8_t ie; 822 uint8_t len; 823 uint32_t vht_cap_info; 824 struct ieee80211_vht_mcs_info supp_mcs; 825 } __packed; 826 827 /* VHT operation mode subfields - 802.11ac-2013 Table 8.183x */ 828 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */ 829 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */ 830 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */ 831 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */ 832 833 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */ 834 struct ieee80211_ie_vht_operation { 835 uint8_t ie; 836 uint8_t len; 837 uint8_t chan_width; 838 uint8_t center_freq_seg1_idx; 839 uint8_t center_freq_seg2_idx; 840 uint16_t basic_mcs_set; 841 } __packed; 842 843 /* 802.11ac VHT Capabilities */ 844 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000 845 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 846 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 847 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 848 #define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0 849 850 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 851 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2 852 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0 853 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1 854 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2 855 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3 856 857 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ(_vhtcaps) \ 858 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) >= \ 859 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ) 860 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ(_vhtcaps) \ 861 (_IEEE80211_MASKSHIFT(_vhtcaps, IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK) == \ 862 IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ) 863 864 #define IEEE80211_VHTCAP_RXLDPC 0x00000010 865 #define IEEE80211_VHTCAP_RXLDPC_S 4 866 867 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 868 #define IEEE80211_VHTCAP_SHORT_GI_80_S 5 869 870 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 871 #define IEEE80211_VHTCAP_SHORT_GI_160_S 6 872 873 #define IEEE80211_VHTCAP_TXSTBC 0x00000080 874 #define IEEE80211_VHTCAP_TXSTBC_S 7 875 876 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 877 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 878 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 879 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 880 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 881 #define IEEE80211_VHTCAP_RXSTBC_MASK_S 8 882 883 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 884 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11 885 886 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 887 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12 888 889 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 890 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ 891 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) 892 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13 893 894 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 895 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ 896 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) 897 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16 898 899 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 900 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19 901 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 902 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20 903 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 904 #define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21 905 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000 906 #define IEEE80211_VHTCAP_HTC_VHT_S 22 907 908 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 909 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 910 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 911 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23 912 913 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000 914 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 915 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 916 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26 917 918 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 919 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28 920 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 921 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29 922 923 /* 924 * XXX TODO: add the rest of the bits 925 */ 926 #define IEEE80211_VHTCAP_BITS \ 927 "\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \ 928 "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \ 929 "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN" 930 931 /* 932 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164 933 * 934 * This defines the maximum transmit power for various bandwidths. 935 */ 936 /* 937 * Count is how many elements follow and what they're for: 938 * 939 * 0 - 20 MHz 940 * 1 - 20+40 MHz 941 * 2 - 20+40+80 MHz 942 * 3 - 20+40+80+(160, 80+80) MHz 943 */ 944 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0 945 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07 946 947 /* 948 * Unit is the tx power representation. It should be EIRP for now; 949 * other values are reserved. 950 */ 951 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38 952 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3 953 954 /* This value is within the unit mask/shift above */ 955 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0 956 957 struct ieee80211_ie_vht_txpwrenv { 958 uint8_t ie; 959 uint8_t len; 960 uint8_t tx_info; 961 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */ 962 }; 963 964 /* VHT action codes */ 965 #define WLAN_ACTION_VHT_COMPRESSED_BF 0 966 #define WLAN_ACTION_VHT_GROUPID_MGMT 1 967 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2 968 969 /* 970 * Management information element payloads. 971 */ 972 973 enum { 974 IEEE80211_ELEMID_SSID = 0, 975 IEEE80211_ELEMID_RATES = 1, 976 IEEE80211_ELEMID_FHPARMS = 2, 977 IEEE80211_ELEMID_DSPARMS = 3, 978 IEEE80211_ELEMID_CFPARMS = 4, 979 IEEE80211_ELEMID_TIM = 5, 980 IEEE80211_ELEMID_IBSSPARMS = 6, 981 IEEE80211_ELEMID_COUNTRY = 7, 982 IEEE80211_ELEMID_BSSLOAD = 11, 983 IEEE80211_ELEMID_TSPEC = 13, 984 IEEE80211_ELEMID_TCLAS = 14, 985 IEEE80211_ELEMID_CHALLENGE = 16, 986 /* 17-31 reserved for challenge text extension */ 987 IEEE80211_ELEMID_PWRCNSTR = 32, 988 IEEE80211_ELEMID_PWRCAP = 33, 989 IEEE80211_ELEMID_TPCREQ = 34, 990 IEEE80211_ELEMID_TPCREP = 35, 991 IEEE80211_ELEMID_SUPPCHAN = 36, 992 IEEE80211_ELEMID_CSA = 37, 993 IEEE80211_ELEMID_MEASREQ = 38, 994 IEEE80211_ELEMID_MEASREP = 39, 995 IEEE80211_ELEMID_QUIET = 40, 996 IEEE80211_ELEMID_IBSSDFS = 41, 997 IEEE80211_ELEMID_ERP = 42, 998 IEEE80211_ELEMID_HTCAP = 45, 999 IEEE80211_ELEMID_QOS = 46, 1000 IEEE80211_ELEMID_RESERVED_47 = 47, 1001 IEEE80211_ELEMID_RSN = 48, 1002 IEEE80211_ELEMID_XRATES = 50, 1003 IEEE80211_ELEMID_APCHANREP = 51, 1004 IEEE80211_ELEMID_MOBILITY_DOMAIN = 54, 1005 IEEE80211_ELEMID_HTINFO = 61, 1006 IEEE80211_ELEMID_SECCHAN_OFFSET = 62, 1007 IEEE80211_ELEMID_RRM_ENACAPS = 70, 1008 IEEE80211_ELEMID_MULTIBSSID = 71, 1009 IEEE80211_ELEMID_COEX_2040 = 72, 1010 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73, 1011 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74, 1012 IEEE80211_ELEMID_TSF_REQ = 91, 1013 IEEE80211_ELEMID_TSF_RESP = 92, 1014 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93, 1015 IEEE80211_ELEMID_TIM_BCAST_REQ = 94, 1016 IEEE80211_ELEMID_TIM_BCAST_RESP = 95, 1017 IEEE80211_ELEMID_TPC = 150, 1018 IEEE80211_ELEMID_CCKM = 156, 1019 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 1020 1021 /* 1022 * 802.11s IEs 1023 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 1024 * but they defined a new with id 117 called PEER_MGMT. 1025 * NB: complies with open80211 1026 */ 1027 IEEE80211_ELEMID_MESHCONF = 113, 1028 IEEE80211_ELEMID_MESHID = 114, 1029 IEEE80211_ELEMID_MESHLINK = 115, 1030 IEEE80211_ELEMID_MESHCNGST = 116, 1031 IEEE80211_ELEMID_MESHPEER = 117, 1032 IEEE80211_ELEMID_MESHCSA = 118, 1033 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 1034 IEEE80211_ELEMID_MESHAWAKEW = 119, 1035 IEEE80211_ELEMID_MESHBEACONT = 120, 1036 /* 121-124 MMCAOP not implemented yet */ 1037 IEEE80211_ELEMID_MESHGANN = 125, 1038 IEEE80211_ELEMID_MESHRANN = 126, 1039 /* 127 Extended Capabilities */ 1040 IEEE80211_ELEMID_EXTCAP = 127, 1041 /* 128-129 reserved */ 1042 IEEE80211_ELEMID_MESHPREQ = 130, 1043 IEEE80211_ELEMID_MESHPREP = 131, 1044 IEEE80211_ELEMID_MESHPERR = 132, 1045 /* 133-136 reserved */ 1046 IEEE80211_ELEMID_MESHPXU = 137, 1047 IEEE80211_ELEMID_MESHPXUC = 138, 1048 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 1049 1050 /* 802.11ac-2013, Table 8-54-Element IDs */ 1051 IEEE80211_ELEMID_VHT_CAP = 191, 1052 IEEE80211_ELEMID_VHT_OPMODE = 192, 1053 IEEE80211_ELEMID_EXTENDED_BSS_LOAD = 193, 1054 IEEE80211_ELEMID_WIDE_BW_CHANNEL_SWITCH = 194, 1055 IEEE80211_ELEMID_VHT_PWR_ENV = 195, 1056 IEEE80211_ELEMID_CHANNEL_SWITCH_WRAPPER = 196, 1057 IEEE80211_ELEMID_AID = 197, 1058 IEEE80211_ELEMID_QUIET_CHANNEL = 198, 1059 IEEE80211_ELEMID_OPMODE_NOTIF = 199, 1060 }; 1061 1062 struct ieee80211_tim_ie { 1063 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 1064 uint8_t tim_len; 1065 uint8_t tim_count; /* DTIM count */ 1066 uint8_t tim_period; /* DTIM period */ 1067 uint8_t tim_bitctl; /* bitmap control */ 1068 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 1069 } __packed; 1070 1071 struct ieee80211_country_ie { 1072 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 1073 uint8_t len; 1074 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 1075 struct { 1076 uint8_t schan; /* starting channel */ 1077 uint8_t nchan; /* number channels */ 1078 uint8_t maxtxpwr; /* tx power cap */ 1079 } __packed band[1]; /* sub bands (NB: var size) */ 1080 } __packed; 1081 1082 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 1083 #define IEEE80211_COUNTRY_MAX_SIZE \ 1084 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 1085 1086 struct ieee80211_bss_load_ie { 1087 uint8_t ie; 1088 uint8_t len; 1089 uint16_t sta_count; /* station count */ 1090 uint8_t chan_load; /* channel utilization */ 1091 uint8_t aac; /* available admission capacity */ 1092 } __packed; 1093 1094 struct ieee80211_ap_chan_report_ie { 1095 uint8_t ie; 1096 uint8_t len; 1097 uint8_t i_class; /* operating class */ 1098 /* Annex E, E.1 Country information and operating classes */ 1099 uint8_t chan_list[0]; 1100 } __packed; 1101 1102 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */ 1103 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1) 1104 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */ 1105 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3) 1106 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */ 1107 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5) 1108 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6) 1109 #define IEEE80211_EXTCAP_EVENT (1ULL << 7) 1110 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8) 1111 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9) 1112 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10) 1113 #define IEEE80211_EXTCAP_FMS (1ULL << 11) 1114 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12) 1115 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */ 1116 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14) 1117 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15) 1118 #define IEEE80211_EXTCAP_TFS (1ULL << 16) 1119 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17) 1120 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18) 1121 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19) 1122 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20) 1123 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21) 1124 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */ 1125 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23) 1126 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24) 1127 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25) 1128 #define IEEE80211_EXTCAP_DMS (1ULL << 26) 1129 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27) 1130 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */ 1131 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */ 1132 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */ 1133 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31) 1134 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32) 1135 #define IEEE80211_EXTCAP_EBR (1ULL << 33) 1136 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34) 1137 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35) 1138 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36) 1139 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37) 1140 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38) 1141 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */ 1142 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */ 1143 /* service interval granularity */ 1144 #define IEEE80211_EXTCAP_SIG \ 1145 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43)) 1146 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44) 1147 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45) 1148 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46) 1149 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47) 1150 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */ 1151 /* bits 49-n are reserved */ 1152 1153 struct ieee80211_extcap_ie { 1154 uint8_t ie; 1155 uint8_t len; 1156 } __packed; 1157 1158 /* 1159 * 802.11h Quiet Time Element. 1160 */ 1161 struct ieee80211_quiet_ie { 1162 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 1163 uint8_t len; 1164 uint8_t tbttcount; /* quiet start */ 1165 uint8_t period; /* beacon intervals between quiets */ 1166 uint16_t duration; /* TUs of each quiet*/ 1167 uint16_t offset; /* TUs of from TBTT of quiet start */ 1168 } __packed; 1169 1170 /* 1171 * 802.11h Channel Switch Announcement (CSA). 1172 */ 1173 struct ieee80211_csa_ie { 1174 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 1175 uint8_t csa_len; 1176 uint8_t csa_mode; /* Channel Switch Mode */ 1177 uint8_t csa_newchan; /* New Channel Number */ 1178 uint8_t csa_count; /* Channel Switch Count */ 1179 } __packed; 1180 1181 /* 1182 * Note the min acceptable CSA count is used to guard against 1183 * malicious CSA injection in station mode. Defining this value 1184 * as other than 0 violates the 11h spec. 1185 */ 1186 #define IEEE80211_CSA_COUNT_MIN 2 1187 #define IEEE80211_CSA_COUNT_MAX 255 1188 1189 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 1190 #define IEEE80211_RATE_BASIC 0x80 1191 #define IEEE80211_RATE_VAL 0x7f 1192 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 1193 1194 /* ERP information element flags */ 1195 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 1196 #define IEEE80211_ERP_USE_PROTECTION 0x02 1197 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 1198 1199 #define IEEE80211_ERP_BITS \ 1200 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 1201 1202 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 1203 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 1204 1205 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 1206 #define TDMA_OUI ATH_OUI 1207 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 1208 1209 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 1210 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 1211 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 1212 1213 #define WPA_OUI 0xf25000 1214 #define WPA_OUI_TYPE 0x01 1215 #define WPA_VERSION 1 /* current supported version */ 1216 1217 #define WPA_CSE_NULL 0x00 1218 #define WPA_CSE_WEP40 0x01 1219 #define WPA_CSE_TKIP 0x02 1220 #define WPA_CSE_CCMP 0x04 1221 #define WPA_CSE_WEP104 0x05 1222 1223 #define WPA_ASE_NONE 0x00 1224 #define WPA_ASE_8021X_UNSPEC 0x01 1225 #define WPA_ASE_8021X_PSK 0x02 1226 1227 #define WPS_OUI_TYPE 0x04 1228 1229 #define RSN_OUI 0xac0f00 1230 #define RSN_VERSION 1 /* current supported version */ 1231 1232 #define RSN_CSE_NULL 0x00 1233 #define RSN_CSE_WEP40 0x01 1234 #define RSN_CSE_TKIP 0x02 1235 #define RSN_CSE_WRAP 0x03 1236 #define RSN_CSE_CCMP 0x04 1237 #define RSN_CSE_WEP104 0x05 1238 1239 #define RSN_ASE_NONE 0x00 1240 #define RSN_ASE_8021X_UNSPEC 0x01 1241 #define RSN_ASE_8021X_PSK 0x02 1242 1243 #define RSN_CAP_PREAUTH 0x01 1244 1245 #define WME_OUI 0xf25000 1246 #define WME_OUI_TYPE 0x02 1247 #define WME_INFO_OUI_SUBTYPE 0x00 1248 #define WME_PARAM_OUI_SUBTYPE 0x01 1249 #define WME_VERSION 1 1250 1251 /* WME stream classes */ 1252 #define WME_AC_BE 0 /* best effort */ 1253 #define WME_AC_BK 1 /* background */ 1254 #define WME_AC_VI 2 /* video */ 1255 #define WME_AC_VO 3 /* voice */ 1256 1257 /* 1258 * AUTH management packets 1259 * 1260 * octet algo[2] 1261 * octet seq[2] 1262 * octet status[2] 1263 * octet chal.id 1264 * octet chal.length 1265 * octet chal.text[253] NB: 1-253 bytes 1266 */ 1267 1268 /* challenge length for shared key auth */ 1269 #define IEEE80211_CHALLENGE_LEN 128 1270 1271 #define IEEE80211_AUTH_ALG_OPEN 0x0000 1272 #define IEEE80211_AUTH_ALG_SHARED 0x0001 1273 #define IEEE80211_AUTH_ALG_LEAP 0x0080 1274 1275 enum { 1276 IEEE80211_AUTH_OPEN_REQUEST = 1, 1277 IEEE80211_AUTH_OPEN_RESPONSE = 2, 1278 }; 1279 1280 enum { 1281 IEEE80211_AUTH_SHARED_REQUEST = 1, 1282 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 1283 IEEE80211_AUTH_SHARED_RESPONSE = 3, 1284 IEEE80211_AUTH_SHARED_PASS = 4, 1285 }; 1286 1287 /* 1288 * Reason and status codes. 1289 * 1290 * Reason codes are used in management frames to indicate why an 1291 * action took place (e.g. on disassociation). Status codes are 1292 * used in management frames to indicate the result of an operation. 1293 * 1294 * Unlisted codes are reserved 1295 */ 1296 1297 enum { 1298 IEEE80211_REASON_UNSPECIFIED = 1, 1299 IEEE80211_REASON_AUTH_EXPIRE = 2, 1300 IEEE80211_REASON_AUTH_LEAVE = 3, 1301 IEEE80211_REASON_ASSOC_EXPIRE = 4, 1302 IEEE80211_REASON_ASSOC_TOOMANY = 5, 1303 IEEE80211_REASON_NOT_AUTHED = 6, 1304 IEEE80211_REASON_NOT_ASSOCED = 7, 1305 IEEE80211_REASON_ASSOC_LEAVE = 8, 1306 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 1307 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 1308 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 1309 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 1310 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 1311 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 1312 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 1313 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 1314 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 1315 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 1316 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 1317 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 1318 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 1319 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 1320 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 1321 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 1322 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 1323 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 1324 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 1325 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 1326 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 1327 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 1328 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 1329 1330 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 1331 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 1332 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 1333 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 1334 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 1335 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 1336 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 1337 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 1338 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 1339 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 1340 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 1341 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 1342 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 1343 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 1344 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 1345 1346 IEEE80211_STATUS_SUCCESS = 0, 1347 IEEE80211_STATUS_UNSPECIFIED = 1, 1348 IEEE80211_STATUS_CAPINFO = 10, 1349 IEEE80211_STATUS_NOT_ASSOCED = 11, 1350 IEEE80211_STATUS_OTHER = 12, 1351 IEEE80211_STATUS_ALG = 13, 1352 IEEE80211_STATUS_SEQUENCE = 14, 1353 IEEE80211_STATUS_CHALLENGE = 15, 1354 IEEE80211_STATUS_TIMEOUT = 16, 1355 IEEE80211_STATUS_TOOMANY = 17, 1356 IEEE80211_STATUS_BASIC_RATE = 18, 1357 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 1358 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 1359 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 1360 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 1361 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 1362 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 1363 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 1364 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 1365 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 1366 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 1367 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 1368 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 1369 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 1370 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 1371 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1372 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1373 }; 1374 1375 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1376 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1377 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1378 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1379 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1380 IEEE80211_WEP_KIDLEN + \ 1381 IEEE80211_WEP_CRCLEN) 1382 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 1383 1384 /* 1385 * 802.11i defines an extended IV for use with non-WEP ciphers. 1386 * When the EXTIV bit is set in the key id byte an additional 1387 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1388 * EXTIV bit is likewise set but the 8 bytes represent the 1389 * CCMP header rather than IV+extended-IV. 1390 */ 1391 #define IEEE80211_WEP_EXTIV 0x20 1392 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1393 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1394 1395 #define IEEE80211_CRC_LEN 4 1396 1397 /* 1398 * Maximum acceptable MTU is: 1399 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1400 * QoS overhead - RSN/WPA overhead 1401 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1402 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1403 */ 1404 #define IEEE80211_MTU_MAX 2290 1405 #define IEEE80211_MTU_MIN 32 1406 1407 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1408 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1409 #define IEEE80211_ACK_LEN \ 1410 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1411 #define IEEE80211_MIN_LEN \ 1412 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1413 1414 /* 1415 * The 802.11 spec says at most 2007 stations may be 1416 * associated at once. For most AP's this is way more 1417 * than is feasible so we use a default of IEEE80211_AID_DEF. 1418 * This number may be overridden by the driver and/or by 1419 * user configuration but may not be less than IEEE80211_AID_MIN 1420 * (see _ieee80211.h for implementation-specific settings). 1421 */ 1422 #define IEEE80211_AID_MAX 2007 1423 1424 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1425 1426 /* 1427 * RTS frame length parameters. The default is specified in 1428 * the 802.11 spec as 512; we treat it as implementation-dependent 1429 * so it's defined in ieee80211_var.h. The max may be wrong 1430 * for jumbo frames. 1431 */ 1432 #define IEEE80211_RTS_MIN 1 1433 #define IEEE80211_RTS_MAX 2346 1434 1435 /* 1436 * TX fragmentation parameters. As above for RTS, we treat 1437 * default as implementation-dependent so define it elsewhere. 1438 */ 1439 #define IEEE80211_FRAG_MIN 256 1440 #define IEEE80211_FRAG_MAX 2346 1441 1442 /* 1443 * Beacon interval (TU's). Min+max come from WiFi requirements. 1444 * As above, we treat default as implementation-dependent so 1445 * define it elsewhere. 1446 */ 1447 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1448 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1449 1450 /* 1451 * DTIM period (beacons). Min+max are not really defined 1452 * by the protocol but we want them publicly visible so 1453 * define them here. 1454 */ 1455 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1456 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1457 1458 /* 1459 * Beacon miss threshold (beacons). As for DTIM, we define 1460 * them here to be publicly visible. Note the max may be 1461 * clamped depending on device capabilities. 1462 */ 1463 #define IEEE80211_HWBMISS_MIN 1 1464 #define IEEE80211_HWBMISS_MAX 255 1465 1466 /* 1467 * 802.11 frame duration definitions. 1468 */ 1469 1470 struct ieee80211_duration { 1471 uint16_t d_rts_dur; 1472 uint16_t d_data_dur; 1473 uint16_t d_plcp_len; 1474 uint8_t d_residue; /* unused octets in time slot */ 1475 }; 1476 1477 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1478 #define IEEE80211_DUR_TU 1024 1479 1480 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1481 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1482 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1483 1484 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1485 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1486 #define IEEE80211_DUR_DS_SLOW_ACK 112 1487 #define IEEE80211_DUR_DS_FAST_ACK 56 1488 #define IEEE80211_DUR_DS_SLOW_CTS 112 1489 #define IEEE80211_DUR_DS_FAST_CTS 56 1490 1491 #define IEEE80211_DUR_DS_SLOT 20 1492 #define IEEE80211_DUR_DS_SIFS 10 1493 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1494 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1495 2 * IEEE80211_DUR_DS_SLOT) 1496 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1497 IEEE80211_DUR_DS_SLOW_ACK + \ 1498 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1499 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1500 IEEE80211_DUR_DIFS) 1501 1502 #endif /* _NET80211_IEEE80211_H_ */ 1503