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