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_FC0_QOSDATA \ 166 (IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_VERSION_0) 167 168 #define IEEE80211_IS_QOSDATA(wh) \ 169 ((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA) 170 171 #define IEEE80211_FC1_DIR_MASK 0x03 172 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 173 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 174 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 175 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 176 177 #define IEEE80211_IS_DSTODS(wh) \ 178 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 179 180 #define IEEE80211_FC1_MORE_FRAG 0x04 181 #define IEEE80211_FC1_RETRY 0x08 182 #define IEEE80211_FC1_PWR_MGT 0x10 183 #define IEEE80211_FC1_MORE_DATA 0x20 184 #define IEEE80211_FC1_PROTECTED 0x40 185 #define IEEE80211_FC1_ORDER 0x80 186 187 #define IEEE80211_HAS_SEQ(type, subtype) \ 188 ((type) != IEEE80211_FC0_TYPE_CTL && \ 189 !((type) == IEEE80211_FC0_TYPE_DATA && \ 190 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 191 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 192 #define IEEE80211_SEQ_FRAG_MASK 0x000f 193 #define IEEE80211_SEQ_FRAG_SHIFT 0 194 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 195 #define IEEE80211_SEQ_SEQ_SHIFT 4 196 #define IEEE80211_SEQ_RANGE 4096 197 198 #define IEEE80211_SEQ_ADD(seq, incr) \ 199 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 200 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 201 #define IEEE80211_SEQ_SUB(a, b) \ 202 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 203 204 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 205 #define IEEE80211_SEQ_BA_BEFORE(a, b) \ 206 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 207 208 #define IEEE80211_NWID_LEN 32 209 #define IEEE80211_MESHID_LEN 32 210 211 #define IEEE80211_QOS_CTL_LEN 2 212 213 #define IEEE80211_QOS_TXOP 0x00ff 214 /* bit 8 is reserved */ 215 #define IEEE80211_QOS_AMSDU 0x80 216 #define IEEE80211_QOS_AMSDU_S 7 217 #define IEEE80211_QOS_ACKPOLICY 0x60 218 #define IEEE80211_QOS_ACKPOLICY_S 5 219 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 220 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 221 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 222 #define IEEE80211_QOS_EOSP_S 4 223 #define IEEE80211_QOS_TID 0x0f 224 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 225 #define IEEE80211_QOS_MC 0x01 /* Mesh control */ 226 /* Mesh power save level*/ 227 #define IEEE80211_QOS_MESH_PSL 0x02 228 /* Mesh Receiver Service Period Initiated */ 229 #define IEEE80211_QOS_RSPI 0x04 230 /* bits 11 to 15 reserved */ 231 232 /* does frame have QoS sequence control data */ 233 #define IEEE80211_QOS_HAS_SEQ(wh) \ 234 (((wh)->i_fc[0] & \ 235 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 236 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 237 238 /* 239 * WME/802.11e information element. 240 */ 241 struct ieee80211_wme_info { 242 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 243 uint8_t wme_len; /* length in bytes */ 244 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 245 uint8_t wme_type; /* OUI type */ 246 uint8_t wme_subtype; /* OUI subtype */ 247 uint8_t wme_version; /* spec revision */ 248 uint8_t wme_info; /* QoS info */ 249 } __packed; 250 251 /* 252 * WME/802.11e Tspec Element 253 */ 254 struct ieee80211_wme_tspec { 255 uint8_t ts_id; 256 uint8_t ts_len; 257 uint8_t ts_oui[3]; 258 uint8_t ts_oui_type; 259 uint8_t ts_oui_subtype; 260 uint8_t ts_version; 261 uint8_t ts_tsinfo[3]; 262 uint8_t ts_nom_msdu[2]; 263 uint8_t ts_max_msdu[2]; 264 uint8_t ts_min_svc[4]; 265 uint8_t ts_max_svc[4]; 266 uint8_t ts_inactv_intv[4]; 267 uint8_t ts_susp_intv[4]; 268 uint8_t ts_start_svc[4]; 269 uint8_t ts_min_rate[4]; 270 uint8_t ts_mean_rate[4]; 271 uint8_t ts_max_burst[4]; 272 uint8_t ts_min_phy[4]; 273 uint8_t ts_peak_rate[4]; 274 uint8_t ts_delay[4]; 275 uint8_t ts_surplus[2]; 276 uint8_t ts_medium_time[2]; 277 } __packed; 278 279 /* 280 * WME AC parameter field 281 */ 282 struct ieee80211_wme_acparams { 283 uint8_t acp_aci_aifsn; 284 uint8_t acp_logcwminmax; 285 uint16_t acp_txop; 286 } __packed; 287 288 #define WME_NUM_AC 4 /* 4 AC categories */ 289 #define WME_NUM_TID 16 /* 16 tids */ 290 291 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 292 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 293 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 294 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 295 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 296 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 297 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 298 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 299 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 300 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 301 302 #define WME_AC_TO_TID(_ac) ( \ 303 ((_ac) == WME_AC_VO) ? 6 : \ 304 ((_ac) == WME_AC_VI) ? 5 : \ 305 ((_ac) == WME_AC_BK) ? 1 : \ 306 0) 307 308 #define TID_TO_WME_AC(_tid) ( \ 309 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 310 ((_tid) < 3) ? WME_AC_BK : \ 311 ((_tid) < 6) ? WME_AC_VI : \ 312 WME_AC_VO) 313 314 /* 315 * WME Parameter Element 316 */ 317 struct ieee80211_wme_param { 318 uint8_t param_id; 319 uint8_t param_len; 320 uint8_t param_oui[3]; 321 uint8_t param_oui_type; 322 uint8_t param_oui_subtype; 323 uint8_t param_version; 324 uint8_t param_qosInfo; 325 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 326 uint8_t param_reserved; 327 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 328 } __packed; 329 330 /* 331 * WME U-APSD qos info field defines 332 */ 333 #define WME_CAPINFO_UAPSD_EN 0x00000080 334 #define WME_CAPINFO_UAPSD_VO 0x00000001 335 #define WME_CAPINFO_UAPSD_VI 0x00000002 336 #define WME_CAPINFO_UAPSD_BK 0x00000004 337 #define WME_CAPINFO_UAPSD_BE 0x00000008 338 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0 339 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF 340 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5 341 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3 342 #define WME_CAPINFO_IE_OFFSET 8 343 #define WME_UAPSD_MAXSP(_qosinfo) \ 344 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \ 345 WME_CAPINFO_UAPSD_MAXSP_MASK) 346 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \ 347 ((1 << (3 - (_ac))) & ( \ 348 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \ 349 WME_CAPINFO_UAPSD_ACFLAGS_MASK)) 350 351 /* 352 * Management Notification Frame 353 */ 354 struct ieee80211_mnf { 355 uint8_t mnf_category; 356 uint8_t mnf_action; 357 uint8_t mnf_dialog; 358 uint8_t mnf_status; 359 } __packed; 360 #define MNF_SETUP_REQ 0 361 #define MNF_SETUP_RESP 1 362 #define MNF_TEARDOWN 2 363 364 /* 365 * 802.11n Management Action Frames 366 */ 367 /* generic frame format */ 368 struct ieee80211_action { 369 uint8_t ia_category; 370 uint8_t ia_action; 371 } __packed; 372 373 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 374 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 375 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 376 #define IEEE80211_ACTION_CAT_BA 3 /* BA */ 377 #define IEEE80211_ACTION_CAT_HT 7 /* HT */ 378 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 379 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 380 /* 16 - 125 reserved */ 381 #define IEEE80211_ACTION_VHT 21 382 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 383 384 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 385 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 386 387 /* HT - recommended transmission channel width */ 388 struct ieee80211_action_ht_txchwidth { 389 struct ieee80211_action at_header; 390 uint8_t at_chwidth; 391 } __packed; 392 393 #define IEEE80211_A_HT_TXCHWIDTH_20 0 394 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 395 396 /* HT - MIMO Power Save (NB: D2.04) */ 397 struct ieee80211_action_ht_mimopowersave { 398 struct ieee80211_action am_header; 399 uint8_t am_control; 400 } __packed; 401 402 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 403 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 404 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 405 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 406 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 407 /* bits 2-7 reserved */ 408 409 /* Block Ack actions */ 410 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 411 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 412 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 413 414 /* Block Ack Parameter Set */ 415 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 416 #define IEEE80211_BAPS_BUFSIZ_S 6 417 #define IEEE80211_BAPS_TID 0x003c /* TID */ 418 #define IEEE80211_BAPS_TID_S 2 419 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 420 #define IEEE80211_BAPS_POLICY_S 1 421 422 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 423 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 424 425 /* Block Ack Sequence Control */ 426 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 427 #define IEEE80211_BASEQ_START_S 4 428 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 429 #define IEEE80211_BASEQ_FRAG_S 0 430 431 /* Delayed Block Ack Parameter Set */ 432 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 433 #define IEEE80211_DELBAPS_TID_S 12 434 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 435 #define IEEE80211_DELBAPS_INIT_S 11 436 437 /* BA - ADDBA request */ 438 struct ieee80211_action_ba_addbarequest { 439 struct ieee80211_action rq_header; 440 uint8_t rq_dialogtoken; 441 uint16_t rq_baparamset; 442 uint16_t rq_batimeout; /* in TUs */ 443 uint16_t rq_baseqctl; 444 } __packed; 445 446 /* BA - ADDBA response */ 447 struct ieee80211_action_ba_addbaresponse { 448 struct ieee80211_action rs_header; 449 uint8_t rs_dialogtoken; 450 uint16_t rs_statuscode; 451 uint16_t rs_baparamset; 452 uint16_t rs_batimeout; /* in TUs */ 453 } __packed; 454 455 /* BA - DELBA */ 456 struct ieee80211_action_ba_delba { 457 struct ieee80211_action dl_header; 458 uint16_t dl_baparamset; 459 uint16_t dl_reasoncode; 460 } __packed; 461 462 /* BAR Control */ 463 #define IEEE80211_BAR_TID 0xf000 /* TID */ 464 #define IEEE80211_BAR_TID_S 12 465 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 466 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 467 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 468 469 /* BAR Starting Sequence Control */ 470 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 471 #define IEEE80211_BAR_SEQ_START_S 4 472 473 struct ieee80211_ba_request { 474 uint16_t rq_barctl; 475 uint16_t rq_barseqctl; 476 } __packed; 477 478 /* 479 * Control frames. 480 */ 481 struct ieee80211_frame_min { 482 uint8_t i_fc[2]; 483 uint8_t i_dur[2]; 484 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 485 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 486 /* FCS */ 487 } __packed; 488 489 struct ieee80211_frame_rts { 490 uint8_t i_fc[2]; 491 uint8_t i_dur[2]; 492 uint8_t i_ra[IEEE80211_ADDR_LEN]; 493 uint8_t i_ta[IEEE80211_ADDR_LEN]; 494 /* FCS */ 495 } __packed; 496 497 struct ieee80211_frame_cts { 498 uint8_t i_fc[2]; 499 uint8_t i_dur[2]; 500 uint8_t i_ra[IEEE80211_ADDR_LEN]; 501 /* FCS */ 502 } __packed; 503 504 struct ieee80211_frame_ack { 505 uint8_t i_fc[2]; 506 uint8_t i_dur[2]; 507 uint8_t i_ra[IEEE80211_ADDR_LEN]; 508 /* FCS */ 509 } __packed; 510 511 struct ieee80211_frame_pspoll { 512 uint8_t i_fc[2]; 513 uint8_t i_aid[2]; 514 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 515 uint8_t i_ta[IEEE80211_ADDR_LEN]; 516 /* FCS */ 517 } __packed; 518 519 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 520 uint8_t i_fc[2]; 521 uint8_t i_dur[2]; /* should be zero */ 522 uint8_t i_ra[IEEE80211_ADDR_LEN]; 523 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 524 /* FCS */ 525 } __packed; 526 527 struct ieee80211_frame_bar { 528 uint8_t i_fc[2]; 529 uint8_t i_dur[2]; 530 uint8_t i_ra[IEEE80211_ADDR_LEN]; 531 uint8_t i_ta[IEEE80211_ADDR_LEN]; 532 uint16_t i_ctl; 533 uint16_t i_seq; 534 /* FCS */ 535 } __packed; 536 537 /* 538 * BEACON management packets 539 * 540 * octet timestamp[8] 541 * octet beacon interval[2] 542 * octet capability information[2] 543 * information element 544 * octet elemid 545 * octet length 546 * octet information[length] 547 */ 548 549 #define IEEE80211_BEACON_INTERVAL(beacon) \ 550 ((beacon)[8] | ((beacon)[9] << 8)) 551 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 552 ((beacon)[10] | ((beacon)[11] << 8)) 553 554 #define IEEE80211_CAPINFO_ESS 0x0001 555 #define IEEE80211_CAPINFO_IBSS 0x0002 556 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 557 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 558 #define IEEE80211_CAPINFO_PRIVACY 0x0010 559 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 560 #define IEEE80211_CAPINFO_PBCC 0x0040 561 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 562 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 563 /* bit 9 is reserved */ 564 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 565 #define IEEE80211_CAPINFO_RSN 0x0800 566 /* bit 12 is reserved */ 567 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 568 /* bits 14-15 are reserved */ 569 570 #define IEEE80211_CAPINFO_BITS \ 571 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 572 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 573 "\16DSSOFDM" 574 575 /* 576 * 802.11i/WPA information element (maximally sized). 577 */ 578 struct ieee80211_ie_wpa { 579 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 580 uint8_t wpa_len; /* length in bytes */ 581 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 582 uint8_t wpa_type; /* OUI type */ 583 uint16_t wpa_version; /* spec revision */ 584 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 585 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 586 uint32_t wpa_uciphers[8];/* ciphers */ 587 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 588 uint32_t wpa_authsels[8];/* selectors */ 589 uint16_t wpa_caps; /* 802.11i capabilities */ 590 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 591 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 592 } __packed; 593 594 /* 595 * 802.11n HT Capability IE 596 * NB: these reflect D1.10 597 */ 598 struct ieee80211_ie_htcap { 599 uint8_t hc_id; /* element ID */ 600 uint8_t hc_len; /* length in bytes */ 601 uint16_t hc_cap; /* HT caps (see below) */ 602 uint8_t hc_param; /* HT params (see below) */ 603 uint8_t hc_mcsset[16]; /* supported MCS set */ 604 uint16_t hc_extcap; /* extended HT capabilities */ 605 uint32_t hc_txbf; /* txbf capabilities */ 606 uint8_t hc_antenna; /* antenna capabilities */ 607 } __packed; 608 609 /* HT capability flags (ht_cap) */ 610 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC supported */ 611 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 612 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 613 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 614 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 615 /* NB: SMPS value 2 is reserved */ 616 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 617 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 618 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 619 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 620 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 621 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 622 #define IEEE80211_HTCAP_RXSTBC_S 8 623 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 624 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 625 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 626 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 627 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 628 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 629 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 630 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 631 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 632 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 633 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 634 635 #define IEEE80211_HTCAP_BITS \ 636 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 637 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 638 "\20LSIGTXOPPROT" 639 640 /* HT parameters (hc_param) */ 641 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 642 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 643 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 644 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 645 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 646 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 647 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 648 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 649 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 650 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 651 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 652 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 653 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 654 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 655 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 656 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 657 658 /* HT extended capabilities (hc_extcap) */ 659 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 660 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 661 #define IEEE80211_HTCAP_PCOTRANS_S 1 662 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 663 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 664 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 665 /* bits 3-7 reserved */ 666 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 667 #define IEEE80211_HTCAP_MCSFBACK_S 8 668 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 669 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 670 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 671 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 672 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 673 /* bits 12-15 reserved */ 674 675 /* 676 * 802.11n HT Information IE 677 */ 678 struct ieee80211_ie_htinfo { 679 uint8_t hi_id; /* element ID */ 680 uint8_t hi_len; /* length in bytes */ 681 uint8_t hi_ctrlchannel; /* primary channel */ 682 uint8_t hi_byte1; /* ht ie byte 1 */ 683 uint8_t hi_byte2; /* ht ie byte 2 */ 684 uint8_t hi_byte3; /* ht ie byte 3 */ 685 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 686 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 687 } __packed; 688 689 /* byte1 */ 690 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 691 #define IEEE80211_HTINFO_2NDCHAN_S 0 692 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 693 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 694 /* NB: 2 is reserved */ 695 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 696 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 697 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 698 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 699 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 700 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 701 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 702 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 703 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 704 #define IEEE80211_HTINFO_SIGRAN_S 5 705 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 706 /* XXX add rest */ 707 708 /* bytes 2+3 */ 709 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 710 #define IEEE80211_HTINFO_OPMODE_S 0 711 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 712 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 713 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 714 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 715 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 716 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 717 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 718 /* bits 5-15 reserved */ 719 720 /* bytes 4+5 */ 721 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 722 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 723 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 724 #define IEEE80211_HTINFO_40MHZPHASE 0x08 725 726 /* byte5 */ 727 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 728 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 729 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 730 731 732 /* 733 * 802.11ac definitions - 802.11ac-2013 . 734 */ 735 736 /* VHT opmode bits */ 737 #define IEEE80211_VHT_OPMODE_CHANWIDTH_MASK 3 738 #define IEEE80211_VHT_OPMODE_CHANWIDTH_20MHZ 0 739 #define IEEE80211_VHT_OPMODE_CHANWIDTH_40MHZ 1 740 #define IEEE80211_VHT_OPMODE_CHANWIDTH_80MHZ 2 741 #define IEEE80211_VHT_OPMODE_CHANWIDTH_160MHZ 3 742 #define IEEE80211_VHT_OPMODE_RX_NSS_MASK 0x70 743 #define IEEE80211_VHT_OPMODE_RX_NSS_SHIFT 4 744 #define IEEE80211_VHT_OPMODE_RX_NSS_TYPE_BF 0x80 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 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */ 787 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */ 788 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */ 789 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */ 790 791 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */ 792 struct ieee80211_ie_vht_operation { 793 uint8_t ie; 794 uint8_t len; 795 uint8_t chan_width; 796 uint8_t center_freq_seg1_idx; 797 uint8_t center_freq_seg2_idx; 798 uint16_t basic_mcs_set; 799 } __packed; 800 801 /* 802.11ac VHT Capabilities */ 802 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000 803 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 804 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 805 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 806 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 807 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 808 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 809 #define IEEE80211_VHTCAP_RXLDPC 0x00000010 810 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 811 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 812 #define IEEE80211_VHTCAP_TXSTBC 0x00000080 813 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 814 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 815 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 816 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 817 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 818 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 819 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 820 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 821 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ 822 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) 823 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 824 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ 825 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) 826 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 827 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 828 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 829 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000 830 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 831 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 832 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 833 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 834 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 835 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 836 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 837 838 /* 839 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164 840 * 841 * This defines the maximum transmit power for various bandwidths. 842 */ 843 /* 844 * Count is how many elements follow and what they're for: 845 * 846 * 0 - 20 MHz 847 * 1 - 20+40 MHz 848 * 2 - 20+40+80 MHz 849 * 3 - 20+40+80+(160, 80+80) MHz 850 */ 851 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0 852 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07 853 854 /* 855 * Unit is the tx power representation. It should be EIRP for now; 856 * other values are reserved. 857 */ 858 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38 859 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3 860 861 /* This value is within the unit mask/shift above */ 862 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0 863 864 struct ieee80211_ie_vht_txpwrenv { 865 uint8_t ie; 866 uint8_t len; 867 uint8_t tx_info; 868 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */ 869 }; 870 871 /* VHT action codes */ 872 #define WLAN_ACTION_VHT_COMPRESSED_BF 0 873 #define WLAN_ACTION_VHT_GROUPID_MGMT 1 874 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2 875 876 /* 877 * Management information element payloads. 878 */ 879 880 enum { 881 IEEE80211_ELEMID_SSID = 0, 882 IEEE80211_ELEMID_RATES = 1, 883 IEEE80211_ELEMID_FHPARMS = 2, 884 IEEE80211_ELEMID_DSPARMS = 3, 885 IEEE80211_ELEMID_CFPARMS = 4, 886 IEEE80211_ELEMID_TIM = 5, 887 IEEE80211_ELEMID_IBSSPARMS = 6, 888 IEEE80211_ELEMID_COUNTRY = 7, 889 IEEE80211_ELEMID_BSSLOAD = 11, 890 IEEE80211_ELEMID_TSPEC = 13, 891 IEEE80211_ELEMID_TCLAS = 14, 892 IEEE80211_ELEMID_CHALLENGE = 16, 893 /* 17-31 reserved for challenge text extension */ 894 IEEE80211_ELEMID_PWRCNSTR = 32, 895 IEEE80211_ELEMID_PWRCAP = 33, 896 IEEE80211_ELEMID_TPCREQ = 34, 897 IEEE80211_ELEMID_TPCREP = 35, 898 IEEE80211_ELEMID_SUPPCHAN = 36, 899 IEEE80211_ELEMID_CSA = 37, 900 IEEE80211_ELEMID_MEASREQ = 38, 901 IEEE80211_ELEMID_MEASREP = 39, 902 IEEE80211_ELEMID_QUIET = 40, 903 IEEE80211_ELEMID_IBSSDFS = 41, 904 IEEE80211_ELEMID_ERP = 42, 905 IEEE80211_ELEMID_HTCAP = 45, 906 IEEE80211_ELEMID_QOS = 46, 907 IEEE80211_ELEMID_RSN = 48, 908 IEEE80211_ELEMID_XRATES = 50, 909 IEEE80211_ELEMID_APCHANREP = 51, 910 IEEE80211_ELEMID_HTINFO = 61, 911 IEEE80211_ELEMID_SECCHAN_OFFSET = 62, 912 IEEE80211_ELEMID_RRM_ENACAPS = 70, 913 IEEE80211_ELEMID_MULTIBSSID = 71, 914 IEEE80211_ELEMID_COEX_2040 = 72, 915 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73, 916 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74, 917 IEEE80211_ELEMID_TSF_REQ = 91, 918 IEEE80211_ELEMID_TSF_RESP = 92, 919 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93, 920 IEEE80211_ELEMID_TIM_BCAST_REQ = 94, 921 IEEE80211_ELEMID_TIM_BCAST_RESP = 95, 922 IEEE80211_ELEMID_TPC = 150, 923 IEEE80211_ELEMID_CCKM = 156, 924 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 925 926 /* 927 * 802.11s IEs 928 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 929 * but they defined a new with id 117 called PEER_MGMT. 930 * NB: complies with open80211 931 */ 932 IEEE80211_ELEMID_MESHCONF = 113, 933 IEEE80211_ELEMID_MESHID = 114, 934 IEEE80211_ELEMID_MESHLINK = 115, 935 IEEE80211_ELEMID_MESHCNGST = 116, 936 IEEE80211_ELEMID_MESHPEER = 117, 937 IEEE80211_ELEMID_MESHCSA = 118, 938 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 939 IEEE80211_ELEMID_MESHAWAKEW = 119, 940 IEEE80211_ELEMID_MESHBEACONT = 120, 941 /* 121-124 MMCAOP not implemented yet */ 942 IEEE80211_ELEMID_MESHGANN = 125, 943 IEEE80211_ELEMID_MESHRANN = 126, 944 /* 127 Extended Capabilities */ 945 IEEE80211_ELEMID_EXTCAP = 127, 946 /* 128-129 reserved */ 947 IEEE80211_ELEMID_MESHPREQ = 130, 948 IEEE80211_ELEMID_MESHPREP = 131, 949 IEEE80211_ELEMID_MESHPERR = 132, 950 /* 133-136 reserved */ 951 IEEE80211_ELEMID_MESHPXU = 137, 952 IEEE80211_ELEMID_MESHPXUC = 138, 953 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 954 955 /* 802.11ac */ 956 IEEE80211_ELEMID_VHT_CAP = 191, 957 IEEE80211_ELEMID_VHT_OPMODE = 192, 958 IEEE80211_ELEMID_VHT_PWR_ENV = 195, 959 }; 960 961 struct ieee80211_tim_ie { 962 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 963 uint8_t tim_len; 964 uint8_t tim_count; /* DTIM count */ 965 uint8_t tim_period; /* DTIM period */ 966 uint8_t tim_bitctl; /* bitmap control */ 967 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 968 } __packed; 969 970 struct ieee80211_country_ie { 971 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 972 uint8_t len; 973 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 974 struct { 975 uint8_t schan; /* starting channel */ 976 uint8_t nchan; /* number channels */ 977 uint8_t maxtxpwr; /* tx power cap */ 978 } __packed band[1]; /* sub bands (NB: var size) */ 979 } __packed; 980 981 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 982 #define IEEE80211_COUNTRY_MAX_SIZE \ 983 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 984 985 struct ieee80211_bss_load_ie { 986 uint8_t ie; 987 uint8_t len; 988 uint16_t sta_count; /* station count */ 989 uint8_t chan_load; /* channel utilization */ 990 uint8_t aac; /* available admission capacity */ 991 } __packed; 992 993 struct ieee80211_ap_chan_report_ie { 994 uint8_t ie; 995 uint8_t len; 996 uint8_t i_class; /* operating class */ 997 /* Annex E, E.1 Country information and operating classes */ 998 uint8_t chan_list[0]; 999 } __packed; 1000 1001 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */ 1002 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1) 1003 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */ 1004 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3) 1005 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */ 1006 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5) 1007 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6) 1008 #define IEEE80211_EXTCAP_EVENT (1ULL << 7) 1009 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8) 1010 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9) 1011 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10) 1012 #define IEEE80211_EXTCAP_FMS (1ULL << 11) 1013 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12) 1014 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */ 1015 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14) 1016 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15) 1017 #define IEEE80211_EXTCAP_TFS (1ULL << 16) 1018 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17) 1019 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18) 1020 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19) 1021 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20) 1022 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21) 1023 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */ 1024 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23) 1025 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24) 1026 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25) 1027 #define IEEE80211_EXTCAP_DMS (1ULL << 26) 1028 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27) 1029 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */ 1030 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */ 1031 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */ 1032 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31) 1033 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32) 1034 #define IEEE80211_EXTCAP_EBR (1ULL << 33) 1035 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34) 1036 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35) 1037 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36) 1038 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37) 1039 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38) 1040 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */ 1041 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */ 1042 /* service interval granularity */ 1043 #define IEEE80211_EXTCAP_SIG \ 1044 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43)) 1045 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44) 1046 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45) 1047 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46) 1048 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47) 1049 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */ 1050 /* bits 49-n are reserved */ 1051 1052 struct ieee80211_extcap_ie { 1053 uint8_t ie; 1054 uint8_t len; 1055 } __packed; 1056 1057 /* 1058 * 802.11h Quiet Time Element. 1059 */ 1060 struct ieee80211_quiet_ie { 1061 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 1062 uint8_t len; 1063 uint8_t tbttcount; /* quiet start */ 1064 uint8_t period; /* beacon intervals between quiets */ 1065 uint16_t duration; /* TUs of each quiet*/ 1066 uint16_t offset; /* TUs of from TBTT of quiet start */ 1067 } __packed; 1068 1069 /* 1070 * 802.11h Channel Switch Announcement (CSA). 1071 */ 1072 struct ieee80211_csa_ie { 1073 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 1074 uint8_t csa_len; 1075 uint8_t csa_mode; /* Channel Switch Mode */ 1076 uint8_t csa_newchan; /* New Channel Number */ 1077 uint8_t csa_count; /* Channel Switch Count */ 1078 } __packed; 1079 1080 /* 1081 * Note the min acceptable CSA count is used to guard against 1082 * malicious CSA injection in station mode. Defining this value 1083 * as other than 0 violates the 11h spec. 1084 */ 1085 #define IEEE80211_CSA_COUNT_MIN 2 1086 #define IEEE80211_CSA_COUNT_MAX 255 1087 1088 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 1089 #define IEEE80211_RATE_BASIC 0x80 1090 #define IEEE80211_RATE_VAL 0x7f 1091 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 1092 1093 /* ERP information element flags */ 1094 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 1095 #define IEEE80211_ERP_USE_PROTECTION 0x02 1096 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 1097 1098 #define IEEE80211_ERP_BITS \ 1099 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 1100 1101 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 1102 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 1103 1104 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 1105 #define TDMA_OUI ATH_OUI 1106 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 1107 1108 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 1109 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 1110 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 1111 1112 #define WPA_OUI 0xf25000 1113 #define WPA_OUI_TYPE 0x01 1114 #define WPA_VERSION 1 /* current supported version */ 1115 1116 #define WPA_CSE_NULL 0x00 1117 #define WPA_CSE_WEP40 0x01 1118 #define WPA_CSE_TKIP 0x02 1119 #define WPA_CSE_CCMP 0x04 1120 #define WPA_CSE_WEP104 0x05 1121 1122 #define WPA_ASE_NONE 0x00 1123 #define WPA_ASE_8021X_UNSPEC 0x01 1124 #define WPA_ASE_8021X_PSK 0x02 1125 1126 #define WPS_OUI_TYPE 0x04 1127 1128 #define RSN_OUI 0xac0f00 1129 #define RSN_VERSION 1 /* current supported version */ 1130 1131 #define RSN_CSE_NULL 0x00 1132 #define RSN_CSE_WEP40 0x01 1133 #define RSN_CSE_TKIP 0x02 1134 #define RSN_CSE_WRAP 0x03 1135 #define RSN_CSE_CCMP 0x04 1136 #define RSN_CSE_WEP104 0x05 1137 1138 #define RSN_ASE_NONE 0x00 1139 #define RSN_ASE_8021X_UNSPEC 0x01 1140 #define RSN_ASE_8021X_PSK 0x02 1141 1142 #define RSN_CAP_PREAUTH 0x01 1143 1144 #define WME_OUI 0xf25000 1145 #define WME_OUI_TYPE 0x02 1146 #define WME_INFO_OUI_SUBTYPE 0x00 1147 #define WME_PARAM_OUI_SUBTYPE 0x01 1148 #define WME_VERSION 1 1149 1150 /* WME stream classes */ 1151 #define WME_AC_BE 0 /* best effort */ 1152 #define WME_AC_BK 1 /* background */ 1153 #define WME_AC_VI 2 /* video */ 1154 #define WME_AC_VO 3 /* voice */ 1155 1156 /* 1157 * AUTH management packets 1158 * 1159 * octet algo[2] 1160 * octet seq[2] 1161 * octet status[2] 1162 * octet chal.id 1163 * octet chal.length 1164 * octet chal.text[253] NB: 1-253 bytes 1165 */ 1166 1167 /* challenge length for shared key auth */ 1168 #define IEEE80211_CHALLENGE_LEN 128 1169 1170 #define IEEE80211_AUTH_ALG_OPEN 0x0000 1171 #define IEEE80211_AUTH_ALG_SHARED 0x0001 1172 #define IEEE80211_AUTH_ALG_LEAP 0x0080 1173 1174 enum { 1175 IEEE80211_AUTH_OPEN_REQUEST = 1, 1176 IEEE80211_AUTH_OPEN_RESPONSE = 2, 1177 }; 1178 1179 enum { 1180 IEEE80211_AUTH_SHARED_REQUEST = 1, 1181 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 1182 IEEE80211_AUTH_SHARED_RESPONSE = 3, 1183 IEEE80211_AUTH_SHARED_PASS = 4, 1184 }; 1185 1186 /* 1187 * Reason and status codes. 1188 * 1189 * Reason codes are used in management frames to indicate why an 1190 * action took place (e.g. on disassociation). Status codes are 1191 * used in management frames to indicate the result of an operation. 1192 * 1193 * Unlisted codes are reserved 1194 */ 1195 1196 enum { 1197 IEEE80211_REASON_UNSPECIFIED = 1, 1198 IEEE80211_REASON_AUTH_EXPIRE = 2, 1199 IEEE80211_REASON_AUTH_LEAVE = 3, 1200 IEEE80211_REASON_ASSOC_EXPIRE = 4, 1201 IEEE80211_REASON_ASSOC_TOOMANY = 5, 1202 IEEE80211_REASON_NOT_AUTHED = 6, 1203 IEEE80211_REASON_NOT_ASSOCED = 7, 1204 IEEE80211_REASON_ASSOC_LEAVE = 8, 1205 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 1206 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 1207 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 1208 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 1209 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 1210 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 1211 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 1212 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 1213 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 1214 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 1215 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 1216 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 1217 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 1218 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 1219 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 1220 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 1221 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 1222 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 1223 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 1224 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 1225 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 1226 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 1227 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 1228 1229 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 1230 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 1231 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 1232 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 1233 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 1234 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 1235 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 1236 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 1237 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 1238 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 1239 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 1240 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 1241 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 1242 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 1243 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 1244 1245 IEEE80211_STATUS_SUCCESS = 0, 1246 IEEE80211_STATUS_UNSPECIFIED = 1, 1247 IEEE80211_STATUS_CAPINFO = 10, 1248 IEEE80211_STATUS_NOT_ASSOCED = 11, 1249 IEEE80211_STATUS_OTHER = 12, 1250 IEEE80211_STATUS_ALG = 13, 1251 IEEE80211_STATUS_SEQUENCE = 14, 1252 IEEE80211_STATUS_CHALLENGE = 15, 1253 IEEE80211_STATUS_TIMEOUT = 16, 1254 IEEE80211_STATUS_TOOMANY = 17, 1255 IEEE80211_STATUS_BASIC_RATE = 18, 1256 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 1257 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 1258 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 1259 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 1260 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 1261 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 1262 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 1263 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 1264 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 1265 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 1266 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 1267 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 1268 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 1269 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 1270 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1271 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1272 }; 1273 1274 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1275 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1276 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1277 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1278 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1279 IEEE80211_WEP_KIDLEN + \ 1280 IEEE80211_WEP_CRCLEN) 1281 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 1282 1283 /* 1284 * 802.11i defines an extended IV for use with non-WEP ciphers. 1285 * When the EXTIV bit is set in the key id byte an additional 1286 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1287 * EXTIV bit is likewise set but the 8 bytes represent the 1288 * CCMP header rather than IV+extended-IV. 1289 */ 1290 #define IEEE80211_WEP_EXTIV 0x20 1291 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1292 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1293 1294 #define IEEE80211_CRC_LEN 4 1295 1296 /* 1297 * Maximum acceptable MTU is: 1298 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1299 * QoS overhead - RSN/WPA overhead 1300 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1301 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1302 */ 1303 #define IEEE80211_MTU_MAX 2290 1304 #define IEEE80211_MTU_MIN 32 1305 1306 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1307 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1308 #define IEEE80211_ACK_LEN \ 1309 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1310 #define IEEE80211_MIN_LEN \ 1311 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1312 1313 /* 1314 * The 802.11 spec says at most 2007 stations may be 1315 * associated at once. For most AP's this is way more 1316 * than is feasible so we use a default of IEEE80211_AID_DEF. 1317 * This number may be overridden by the driver and/or by 1318 * user configuration but may not be less than IEEE80211_AID_MIN 1319 * (see _ieee80211.h for implementation-specific settings). 1320 */ 1321 #define IEEE80211_AID_MAX 2007 1322 1323 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1324 1325 /* 1326 * RTS frame length parameters. The default is specified in 1327 * the 802.11 spec as 512; we treat it as implementation-dependent 1328 * so it's defined in ieee80211_var.h. The max may be wrong 1329 * for jumbo frames. 1330 */ 1331 #define IEEE80211_RTS_MIN 1 1332 #define IEEE80211_RTS_MAX 2346 1333 1334 /* 1335 * TX fragmentation parameters. As above for RTS, we treat 1336 * default as implementation-dependent so define it elsewhere. 1337 */ 1338 #define IEEE80211_FRAG_MIN 256 1339 #define IEEE80211_FRAG_MAX 2346 1340 1341 /* 1342 * Beacon interval (TU's). Min+max come from WiFi requirements. 1343 * As above, we treat default as implementation-dependent so 1344 * define it elsewhere. 1345 */ 1346 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1347 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1348 1349 /* 1350 * DTIM period (beacons). Min+max are not really defined 1351 * by the protocol but we want them publicly visible so 1352 * define them here. 1353 */ 1354 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1355 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1356 1357 /* 1358 * Beacon miss threshold (beacons). As for DTIM, we define 1359 * them here to be publicly visible. Note the max may be 1360 * clamped depending on device capabilities. 1361 */ 1362 #define IEEE80211_HWBMISS_MIN 1 1363 #define IEEE80211_HWBMISS_MAX 255 1364 1365 /* 1366 * 802.11 frame duration definitions. 1367 */ 1368 1369 struct ieee80211_duration { 1370 uint16_t d_rts_dur; 1371 uint16_t d_data_dur; 1372 uint16_t d_plcp_len; 1373 uint8_t d_residue; /* unused octets in time slot */ 1374 }; 1375 1376 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1377 #define IEEE80211_DUR_TU 1024 1378 1379 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1380 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1381 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1382 1383 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1384 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1385 #define IEEE80211_DUR_DS_SLOW_ACK 112 1386 #define IEEE80211_DUR_DS_FAST_ACK 56 1387 #define IEEE80211_DUR_DS_SLOW_CTS 112 1388 #define IEEE80211_DUR_DS_FAST_CTS 56 1389 1390 #define IEEE80211_DUR_DS_SLOT 20 1391 #define IEEE80211_DUR_DS_SIFS 10 1392 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1393 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1394 2 * IEEE80211_DUR_DS_SLOT) 1395 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1396 IEEE80211_DUR_DS_SLOW_ACK + \ 1397 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1398 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1399 IEEE80211_DUR_DIFS) 1400 1401 #endif /* _NET80211_IEEE80211_H_ */ 1402