1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * IEEE 802.11 defines 4 * 5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 6 * <jkmaline@cc.hut.fi> 7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> 8 * Copyright (c) 2005, Devicescape Software, Inc. 9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> 10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH 11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH 12 * Copyright (c) 2018 - 2019 Intel Corporation 13 */ 14 15 #ifndef LINUX_IEEE80211_H 16 #define LINUX_IEEE80211_H 17 18 #include <linux/types.h> 19 #include <linux/if_ether.h> 20 #include <linux/etherdevice.h> 21 #include <asm/byteorder.h> 22 #include <asm/unaligned.h> 23 24 /* 25 * DS bit usage 26 * 27 * TA = transmitter address 28 * RA = receiver address 29 * DA = destination address 30 * SA = source address 31 * 32 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use 33 * ----------------------------------------------------------------- 34 * 0 0 DA SA BSSID - IBSS/DLS 35 * 0 1 DA BSSID SA - AP -> STA 36 * 1 0 BSSID SA DA - AP <- STA 37 * 1 1 RA TA DA SA unspecified (WDS) 38 */ 39 40 #define FCS_LEN 4 41 42 #define IEEE80211_FCTL_VERS 0x0003 43 #define IEEE80211_FCTL_FTYPE 0x000c 44 #define IEEE80211_FCTL_STYPE 0x00f0 45 #define IEEE80211_FCTL_TODS 0x0100 46 #define IEEE80211_FCTL_FROMDS 0x0200 47 #define IEEE80211_FCTL_MOREFRAGS 0x0400 48 #define IEEE80211_FCTL_RETRY 0x0800 49 #define IEEE80211_FCTL_PM 0x1000 50 #define IEEE80211_FCTL_MOREDATA 0x2000 51 #define IEEE80211_FCTL_PROTECTED 0x4000 52 #define IEEE80211_FCTL_ORDER 0x8000 53 #define IEEE80211_FCTL_CTL_EXT 0x0f00 54 55 #define IEEE80211_SCTL_FRAG 0x000F 56 #define IEEE80211_SCTL_SEQ 0xFFF0 57 58 #define IEEE80211_FTYPE_MGMT 0x0000 59 #define IEEE80211_FTYPE_CTL 0x0004 60 #define IEEE80211_FTYPE_DATA 0x0008 61 #define IEEE80211_FTYPE_EXT 0x000c 62 63 /* management */ 64 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 65 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 66 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 67 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 68 #define IEEE80211_STYPE_PROBE_REQ 0x0040 69 #define IEEE80211_STYPE_PROBE_RESP 0x0050 70 #define IEEE80211_STYPE_BEACON 0x0080 71 #define IEEE80211_STYPE_ATIM 0x0090 72 #define IEEE80211_STYPE_DISASSOC 0x00A0 73 #define IEEE80211_STYPE_AUTH 0x00B0 74 #define IEEE80211_STYPE_DEAUTH 0x00C0 75 #define IEEE80211_STYPE_ACTION 0x00D0 76 77 /* control */ 78 #define IEEE80211_STYPE_CTL_EXT 0x0060 79 #define IEEE80211_STYPE_BACK_REQ 0x0080 80 #define IEEE80211_STYPE_BACK 0x0090 81 #define IEEE80211_STYPE_PSPOLL 0x00A0 82 #define IEEE80211_STYPE_RTS 0x00B0 83 #define IEEE80211_STYPE_CTS 0x00C0 84 #define IEEE80211_STYPE_ACK 0x00D0 85 #define IEEE80211_STYPE_CFEND 0x00E0 86 #define IEEE80211_STYPE_CFENDACK 0x00F0 87 88 /* data */ 89 #define IEEE80211_STYPE_DATA 0x0000 90 #define IEEE80211_STYPE_DATA_CFACK 0x0010 91 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 92 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 93 #define IEEE80211_STYPE_NULLFUNC 0x0040 94 #define IEEE80211_STYPE_CFACK 0x0050 95 #define IEEE80211_STYPE_CFPOLL 0x0060 96 #define IEEE80211_STYPE_CFACKPOLL 0x0070 97 #define IEEE80211_STYPE_QOS_DATA 0x0080 98 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 99 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 100 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 101 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 102 #define IEEE80211_STYPE_QOS_CFACK 0x00D0 103 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 104 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 105 106 /* extension, added by 802.11ad */ 107 #define IEEE80211_STYPE_DMG_BEACON 0x0000 108 109 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ 110 #define IEEE80211_CTL_EXT_POLL 0x2000 111 #define IEEE80211_CTL_EXT_SPR 0x3000 112 #define IEEE80211_CTL_EXT_GRANT 0x4000 113 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 114 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 115 #define IEEE80211_CTL_EXT_SSW 0x8000 116 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 117 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 118 119 120 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) 121 #define IEEE80211_MAX_SN IEEE80211_SN_MASK 122 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) 123 124 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) 125 { 126 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); 127 } 128 129 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) 130 { 131 return (sn1 + sn2) & IEEE80211_SN_MASK; 132 } 133 134 static inline u16 ieee80211_sn_inc(u16 sn) 135 { 136 return ieee80211_sn_add(sn, 1); 137 } 138 139 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) 140 { 141 return (sn1 - sn2) & IEEE80211_SN_MASK; 142 } 143 144 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 145 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 146 147 /* miscellaneous IEEE 802.11 constants */ 148 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 149 #define IEEE80211_MAX_RTS_THRESHOLD 2353 150 #define IEEE80211_MAX_AID 2007 151 #define IEEE80211_MAX_TIM_LEN 251 152 #define IEEE80211_MAX_MESH_PEERINGS 63 153 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 154 6.2.1.1.2. 155 156 802.11e clarifies the figure in section 7.1.2. The frame body is 157 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 158 #define IEEE80211_MAX_DATA_LEN 2304 159 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks 160 * to 7920 bytes, see 8.2.3 General frame format 161 */ 162 #define IEEE80211_MAX_DATA_LEN_DMG 7920 163 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 164 #define IEEE80211_MAX_FRAME_LEN 2352 165 166 /* Maximal size of an A-MSDU that can be transported in a HT BA session */ 167 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 168 169 /* Maximal size of an A-MSDU */ 170 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 171 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 172 173 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 174 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 175 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 176 177 #define IEEE80211_MAX_SSID_LEN 32 178 179 #define IEEE80211_MAX_MESH_ID_LEN 32 180 181 #define IEEE80211_FIRST_TSPEC_TSID 8 182 #define IEEE80211_NUM_TIDS 16 183 184 /* number of user priorities 802.11 uses */ 185 #define IEEE80211_NUM_UPS 8 186 /* number of ACs */ 187 #define IEEE80211_NUM_ACS 4 188 189 #define IEEE80211_QOS_CTL_LEN 2 190 /* 1d tag mask */ 191 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 192 /* TID mask */ 193 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 194 /* EOSP */ 195 #define IEEE80211_QOS_CTL_EOSP 0x0010 196 /* ACK policy */ 197 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 198 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 200 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 201 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 202 /* A-MSDU 802.11n */ 203 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 204 /* Mesh Control 802.11s */ 205 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 206 207 /* Mesh Power Save Level */ 208 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 209 /* Mesh Receiver Service Period Initiated */ 210 #define IEEE80211_QOS_CTL_RSPI 0x0400 211 212 /* U-APSD queue for WMM IEs sent by AP */ 213 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 214 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 215 216 /* U-APSD queues for WMM IEs sent by STA */ 217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 222 223 /* U-APSD max SP length for WMM IEs sent by STA */ 224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 230 231 #define IEEE80211_HT_CTL_LEN 4 232 233 struct ieee80211_hdr { 234 __le16 frame_control; 235 __le16 duration_id; 236 u8 addr1[ETH_ALEN]; 237 u8 addr2[ETH_ALEN]; 238 u8 addr3[ETH_ALEN]; 239 __le16 seq_ctrl; 240 u8 addr4[ETH_ALEN]; 241 } __packed __aligned(2); 242 243 struct ieee80211_hdr_3addr { 244 __le16 frame_control; 245 __le16 duration_id; 246 u8 addr1[ETH_ALEN]; 247 u8 addr2[ETH_ALEN]; 248 u8 addr3[ETH_ALEN]; 249 __le16 seq_ctrl; 250 } __packed __aligned(2); 251 252 struct ieee80211_qos_hdr { 253 __le16 frame_control; 254 __le16 duration_id; 255 u8 addr1[ETH_ALEN]; 256 u8 addr2[ETH_ALEN]; 257 u8 addr3[ETH_ALEN]; 258 __le16 seq_ctrl; 259 __le16 qos_ctrl; 260 } __packed __aligned(2); 261 262 /** 263 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 264 * @fc: frame control bytes in little-endian byteorder 265 */ 266 static inline bool ieee80211_has_tods(__le16 fc) 267 { 268 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 269 } 270 271 /** 272 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 273 * @fc: frame control bytes in little-endian byteorder 274 */ 275 static inline bool ieee80211_has_fromds(__le16 fc) 276 { 277 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 278 } 279 280 /** 281 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 282 * @fc: frame control bytes in little-endian byteorder 283 */ 284 static inline bool ieee80211_has_a4(__le16 fc) 285 { 286 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 287 return (fc & tmp) == tmp; 288 } 289 290 /** 291 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 292 * @fc: frame control bytes in little-endian byteorder 293 */ 294 static inline bool ieee80211_has_morefrags(__le16 fc) 295 { 296 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 297 } 298 299 /** 300 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 301 * @fc: frame control bytes in little-endian byteorder 302 */ 303 static inline bool ieee80211_has_retry(__le16 fc) 304 { 305 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 306 } 307 308 /** 309 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 310 * @fc: frame control bytes in little-endian byteorder 311 */ 312 static inline bool ieee80211_has_pm(__le16 fc) 313 { 314 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 315 } 316 317 /** 318 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 319 * @fc: frame control bytes in little-endian byteorder 320 */ 321 static inline bool ieee80211_has_moredata(__le16 fc) 322 { 323 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 324 } 325 326 /** 327 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 328 * @fc: frame control bytes in little-endian byteorder 329 */ 330 static inline bool ieee80211_has_protected(__le16 fc) 331 { 332 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 333 } 334 335 /** 336 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 337 * @fc: frame control bytes in little-endian byteorder 338 */ 339 static inline bool ieee80211_has_order(__le16 fc) 340 { 341 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 342 } 343 344 /** 345 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 346 * @fc: frame control bytes in little-endian byteorder 347 */ 348 static inline bool ieee80211_is_mgmt(__le16 fc) 349 { 350 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 351 cpu_to_le16(IEEE80211_FTYPE_MGMT); 352 } 353 354 /** 355 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 356 * @fc: frame control bytes in little-endian byteorder 357 */ 358 static inline bool ieee80211_is_ctl(__le16 fc) 359 { 360 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 361 cpu_to_le16(IEEE80211_FTYPE_CTL); 362 } 363 364 /** 365 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 366 * @fc: frame control bytes in little-endian byteorder 367 */ 368 static inline bool ieee80211_is_data(__le16 fc) 369 { 370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 371 cpu_to_le16(IEEE80211_FTYPE_DATA); 372 } 373 374 /** 375 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 376 * @fc: frame control bytes in little-endian byteorder 377 */ 378 static inline bool ieee80211_is_data_qos(__le16 fc) 379 { 380 /* 381 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 382 * to check the one bit 383 */ 384 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 385 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 386 } 387 388 /** 389 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 390 * @fc: frame control bytes in little-endian byteorder 391 */ 392 static inline bool ieee80211_is_data_present(__le16 fc) 393 { 394 /* 395 * mask with 0x40 and test that that bit is clear to only return true 396 * for the data-containing substypes. 397 */ 398 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 399 cpu_to_le16(IEEE80211_FTYPE_DATA); 400 } 401 402 /** 403 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 404 * @fc: frame control bytes in little-endian byteorder 405 */ 406 static inline bool ieee80211_is_assoc_req(__le16 fc) 407 { 408 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 409 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 410 } 411 412 /** 413 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 414 * @fc: frame control bytes in little-endian byteorder 415 */ 416 static inline bool ieee80211_is_assoc_resp(__le16 fc) 417 { 418 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 419 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 420 } 421 422 /** 423 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 424 * @fc: frame control bytes in little-endian byteorder 425 */ 426 static inline bool ieee80211_is_reassoc_req(__le16 fc) 427 { 428 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 429 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 430 } 431 432 /** 433 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 434 * @fc: frame control bytes in little-endian byteorder 435 */ 436 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 437 { 438 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 439 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 440 } 441 442 /** 443 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 444 * @fc: frame control bytes in little-endian byteorder 445 */ 446 static inline bool ieee80211_is_probe_req(__le16 fc) 447 { 448 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 449 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 450 } 451 452 /** 453 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 454 * @fc: frame control bytes in little-endian byteorder 455 */ 456 static inline bool ieee80211_is_probe_resp(__le16 fc) 457 { 458 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 459 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 460 } 461 462 /** 463 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 464 * @fc: frame control bytes in little-endian byteorder 465 */ 466 static inline bool ieee80211_is_beacon(__le16 fc) 467 { 468 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 469 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 470 } 471 472 /** 473 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 474 * @fc: frame control bytes in little-endian byteorder 475 */ 476 static inline bool ieee80211_is_atim(__le16 fc) 477 { 478 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 479 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 480 } 481 482 /** 483 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 484 * @fc: frame control bytes in little-endian byteorder 485 */ 486 static inline bool ieee80211_is_disassoc(__le16 fc) 487 { 488 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 489 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 490 } 491 492 /** 493 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 494 * @fc: frame control bytes in little-endian byteorder 495 */ 496 static inline bool ieee80211_is_auth(__le16 fc) 497 { 498 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 499 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 500 } 501 502 /** 503 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 504 * @fc: frame control bytes in little-endian byteorder 505 */ 506 static inline bool ieee80211_is_deauth(__le16 fc) 507 { 508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 509 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 510 } 511 512 /** 513 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 514 * @fc: frame control bytes in little-endian byteorder 515 */ 516 static inline bool ieee80211_is_action(__le16 fc) 517 { 518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 519 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 520 } 521 522 /** 523 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 524 * @fc: frame control bytes in little-endian byteorder 525 */ 526 static inline bool ieee80211_is_back_req(__le16 fc) 527 { 528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 529 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 530 } 531 532 /** 533 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 534 * @fc: frame control bytes in little-endian byteorder 535 */ 536 static inline bool ieee80211_is_back(__le16 fc) 537 { 538 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 539 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 540 } 541 542 /** 543 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 544 * @fc: frame control bytes in little-endian byteorder 545 */ 546 static inline bool ieee80211_is_pspoll(__le16 fc) 547 { 548 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 549 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 550 } 551 552 /** 553 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 554 * @fc: frame control bytes in little-endian byteorder 555 */ 556 static inline bool ieee80211_is_rts(__le16 fc) 557 { 558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 559 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 560 } 561 562 /** 563 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 564 * @fc: frame control bytes in little-endian byteorder 565 */ 566 static inline bool ieee80211_is_cts(__le16 fc) 567 { 568 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 569 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 570 } 571 572 /** 573 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 574 * @fc: frame control bytes in little-endian byteorder 575 */ 576 static inline bool ieee80211_is_ack(__le16 fc) 577 { 578 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 579 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 580 } 581 582 /** 583 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 584 * @fc: frame control bytes in little-endian byteorder 585 */ 586 static inline bool ieee80211_is_cfend(__le16 fc) 587 { 588 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 589 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 590 } 591 592 /** 593 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 594 * @fc: frame control bytes in little-endian byteorder 595 */ 596 static inline bool ieee80211_is_cfendack(__le16 fc) 597 { 598 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 599 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 600 } 601 602 /** 603 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 604 * @fc: frame control bytes in little-endian byteorder 605 */ 606 static inline bool ieee80211_is_nullfunc(__le16 fc) 607 { 608 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 609 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 610 } 611 612 /** 613 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 614 * @fc: frame control bytes in little-endian byteorder 615 */ 616 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 617 { 618 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 619 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 620 } 621 622 /** 623 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame 624 * @fc: frame control bytes in little-endian byteorder 625 */ 626 static inline bool ieee80211_is_any_nullfunc(__le16 fc) 627 { 628 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc)); 629 } 630 631 /** 632 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 633 * @fc: frame control field in little-endian byteorder 634 */ 635 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) 636 { 637 /* IEEE 802.11-2012, definition of "bufferable management frame"; 638 * note that this ignores the IBSS special case. */ 639 return ieee80211_is_mgmt(fc) && 640 (ieee80211_is_action(fc) || 641 ieee80211_is_disassoc(fc) || 642 ieee80211_is_deauth(fc)); 643 } 644 645 /** 646 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 647 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 648 */ 649 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 650 { 651 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 652 } 653 654 /** 655 * ieee80211_is_frag - check if a frame is a fragment 656 * @hdr: 802.11 header of the frame 657 */ 658 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 659 { 660 return ieee80211_has_morefrags(hdr->frame_control) || 661 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 662 } 663 664 struct ieee80211s_hdr { 665 u8 flags; 666 u8 ttl; 667 __le32 seqnum; 668 u8 eaddr1[ETH_ALEN]; 669 u8 eaddr2[ETH_ALEN]; 670 } __packed __aligned(2); 671 672 /* Mesh flags */ 673 #define MESH_FLAGS_AE_A4 0x1 674 #define MESH_FLAGS_AE_A5_A6 0x2 675 #define MESH_FLAGS_AE 0x3 676 #define MESH_FLAGS_PS_DEEP 0x4 677 678 /** 679 * enum ieee80211_preq_flags - mesh PREQ element flags 680 * 681 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 682 */ 683 enum ieee80211_preq_flags { 684 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 685 }; 686 687 /** 688 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 689 * 690 * @IEEE80211_PREQ_TO_FLAG: target only subfield 691 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 692 */ 693 enum ieee80211_preq_target_flags { 694 IEEE80211_PREQ_TO_FLAG = 1<<0, 695 IEEE80211_PREQ_USN_FLAG = 1<<2, 696 }; 697 698 /** 699 * struct ieee80211_quiet_ie 700 * 701 * This structure refers to "Quiet information element" 702 */ 703 struct ieee80211_quiet_ie { 704 u8 count; 705 u8 period; 706 __le16 duration; 707 __le16 offset; 708 } __packed; 709 710 /** 711 * struct ieee80211_msrment_ie 712 * 713 * This structure refers to "Measurement Request/Report information element" 714 */ 715 struct ieee80211_msrment_ie { 716 u8 token; 717 u8 mode; 718 u8 type; 719 u8 request[0]; 720 } __packed; 721 722 /** 723 * struct ieee80211_channel_sw_ie 724 * 725 * This structure refers to "Channel Switch Announcement information element" 726 */ 727 struct ieee80211_channel_sw_ie { 728 u8 mode; 729 u8 new_ch_num; 730 u8 count; 731 } __packed; 732 733 /** 734 * struct ieee80211_ext_chansw_ie 735 * 736 * This structure represents the "Extended Channel Switch Announcement element" 737 */ 738 struct ieee80211_ext_chansw_ie { 739 u8 mode; 740 u8 new_operating_class; 741 u8 new_ch_num; 742 u8 count; 743 } __packed; 744 745 /** 746 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 747 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 748 * values here 749 * This structure represents the "Secondary Channel Offset element" 750 */ 751 struct ieee80211_sec_chan_offs_ie { 752 u8 sec_chan_offs; 753 } __packed; 754 755 /** 756 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 757 * 758 * This structure represents the "Mesh Channel Switch Paramters element" 759 */ 760 struct ieee80211_mesh_chansw_params_ie { 761 u8 mesh_ttl; 762 u8 mesh_flags; 763 __le16 mesh_reason; 764 __le16 mesh_pre_value; 765 } __packed; 766 767 /** 768 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 769 */ 770 struct ieee80211_wide_bw_chansw_ie { 771 u8 new_channel_width; 772 u8 new_center_freq_seg0, new_center_freq_seg1; 773 } __packed; 774 775 /** 776 * struct ieee80211_tim 777 * 778 * This structure refers to "Traffic Indication Map information element" 779 */ 780 struct ieee80211_tim_ie { 781 u8 dtim_count; 782 u8 dtim_period; 783 u8 bitmap_ctrl; 784 /* variable size: 1 - 251 bytes */ 785 u8 virtual_map[1]; 786 } __packed; 787 788 /** 789 * struct ieee80211_meshconf_ie 790 * 791 * This structure refers to "Mesh Configuration information element" 792 */ 793 struct ieee80211_meshconf_ie { 794 u8 meshconf_psel; 795 u8 meshconf_pmetric; 796 u8 meshconf_congest; 797 u8 meshconf_synch; 798 u8 meshconf_auth; 799 u8 meshconf_form; 800 u8 meshconf_cap; 801 } __packed; 802 803 /** 804 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 805 * 806 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 807 * additional mesh peerings with other mesh STAs 808 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 809 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 810 * is ongoing 811 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 812 * neighbors in deep sleep mode 813 */ 814 enum mesh_config_capab_flags { 815 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 816 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 817 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 818 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 819 }; 820 821 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1 822 823 /** 824 * mesh channel switch parameters element's flag indicator 825 * 826 */ 827 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 828 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 829 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 830 831 /** 832 * struct ieee80211_rann_ie 833 * 834 * This structure refers to "Root Announcement information element" 835 */ 836 struct ieee80211_rann_ie { 837 u8 rann_flags; 838 u8 rann_hopcount; 839 u8 rann_ttl; 840 u8 rann_addr[ETH_ALEN]; 841 __le32 rann_seq; 842 __le32 rann_interval; 843 __le32 rann_metric; 844 } __packed; 845 846 enum ieee80211_rann_flags { 847 RANN_FLAG_IS_GATE = 1 << 0, 848 }; 849 850 enum ieee80211_ht_chanwidth_values { 851 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 852 IEEE80211_HT_CHANWIDTH_ANY = 1, 853 }; 854 855 /** 856 * enum ieee80211_opmode_bits - VHT operating mode field bits 857 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 858 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 859 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 860 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 861 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 862 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 863 * (the NSS value is the value of this field + 1) 864 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 865 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 866 * using a beamforming steering matrix 867 */ 868 enum ieee80211_vht_opmode_bits { 869 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 870 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 871 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 872 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 873 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 874 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 875 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 876 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 877 }; 878 879 #define WLAN_SA_QUERY_TR_ID_LEN 2 880 #define WLAN_MEMBERSHIP_LEN 8 881 #define WLAN_USER_POSITION_LEN 16 882 883 /** 884 * struct ieee80211_tpc_report_ie 885 * 886 * This structure refers to "TPC Report element" 887 */ 888 struct ieee80211_tpc_report_ie { 889 u8 tx_power; 890 u8 link_margin; 891 } __packed; 892 893 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1) 894 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1 895 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0) 896 897 struct ieee80211_addba_ext_ie { 898 u8 data; 899 } __packed; 900 901 struct ieee80211_mgmt { 902 __le16 frame_control; 903 __le16 duration; 904 u8 da[ETH_ALEN]; 905 u8 sa[ETH_ALEN]; 906 u8 bssid[ETH_ALEN]; 907 __le16 seq_ctrl; 908 union { 909 struct { 910 __le16 auth_alg; 911 __le16 auth_transaction; 912 __le16 status_code; 913 /* possibly followed by Challenge text */ 914 u8 variable[0]; 915 } __packed auth; 916 struct { 917 __le16 reason_code; 918 } __packed deauth; 919 struct { 920 __le16 capab_info; 921 __le16 listen_interval; 922 /* followed by SSID and Supported rates */ 923 u8 variable[0]; 924 } __packed assoc_req; 925 struct { 926 __le16 capab_info; 927 __le16 status_code; 928 __le16 aid; 929 /* followed by Supported rates */ 930 u8 variable[0]; 931 } __packed assoc_resp, reassoc_resp; 932 struct { 933 __le16 capab_info; 934 __le16 listen_interval; 935 u8 current_ap[ETH_ALEN]; 936 /* followed by SSID and Supported rates */ 937 u8 variable[0]; 938 } __packed reassoc_req; 939 struct { 940 __le16 reason_code; 941 } __packed disassoc; 942 struct { 943 __le64 timestamp; 944 __le16 beacon_int; 945 __le16 capab_info; 946 /* followed by some of SSID, Supported rates, 947 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 948 u8 variable[0]; 949 } __packed beacon; 950 struct { 951 /* only variable items: SSID, Supported rates */ 952 u8 variable[0]; 953 } __packed probe_req; 954 struct { 955 __le64 timestamp; 956 __le16 beacon_int; 957 __le16 capab_info; 958 /* followed by some of SSID, Supported rates, 959 * FH Params, DS Params, CF Params, IBSS Params */ 960 u8 variable[0]; 961 } __packed probe_resp; 962 struct { 963 u8 category; 964 union { 965 struct { 966 u8 action_code; 967 u8 dialog_token; 968 u8 status_code; 969 u8 variable[0]; 970 } __packed wme_action; 971 struct{ 972 u8 action_code; 973 u8 variable[0]; 974 } __packed chan_switch; 975 struct{ 976 u8 action_code; 977 struct ieee80211_ext_chansw_ie data; 978 u8 variable[0]; 979 } __packed ext_chan_switch; 980 struct{ 981 u8 action_code; 982 u8 dialog_token; 983 u8 element_id; 984 u8 length; 985 struct ieee80211_msrment_ie msr_elem; 986 } __packed measurement; 987 struct{ 988 u8 action_code; 989 u8 dialog_token; 990 __le16 capab; 991 __le16 timeout; 992 __le16 start_seq_num; 993 /* followed by BA Extension */ 994 u8 variable[0]; 995 } __packed addba_req; 996 struct{ 997 u8 action_code; 998 u8 dialog_token; 999 __le16 status; 1000 __le16 capab; 1001 __le16 timeout; 1002 } __packed addba_resp; 1003 struct{ 1004 u8 action_code; 1005 __le16 params; 1006 __le16 reason_code; 1007 } __packed delba; 1008 struct { 1009 u8 action_code; 1010 u8 variable[0]; 1011 } __packed self_prot; 1012 struct{ 1013 u8 action_code; 1014 u8 variable[0]; 1015 } __packed mesh_action; 1016 struct { 1017 u8 action; 1018 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1019 } __packed sa_query; 1020 struct { 1021 u8 action; 1022 u8 smps_control; 1023 } __packed ht_smps; 1024 struct { 1025 u8 action_code; 1026 u8 chanwidth; 1027 } __packed ht_notify_cw; 1028 struct { 1029 u8 action_code; 1030 u8 dialog_token; 1031 __le16 capability; 1032 u8 variable[0]; 1033 } __packed tdls_discover_resp; 1034 struct { 1035 u8 action_code; 1036 u8 operating_mode; 1037 } __packed vht_opmode_notif; 1038 struct { 1039 u8 action_code; 1040 u8 membership[WLAN_MEMBERSHIP_LEN]; 1041 u8 position[WLAN_USER_POSITION_LEN]; 1042 } __packed vht_group_notif; 1043 struct { 1044 u8 action_code; 1045 u8 dialog_token; 1046 u8 tpc_elem_id; 1047 u8 tpc_elem_length; 1048 struct ieee80211_tpc_report_ie tpc; 1049 } __packed tpc_report; 1050 struct { 1051 u8 action_code; 1052 u8 dialog_token; 1053 u8 follow_up; 1054 u8 tod[6]; 1055 u8 toa[6]; 1056 __le16 tod_error; 1057 __le16 toa_error; 1058 u8 variable[0]; 1059 } __packed ftm; 1060 } u; 1061 } __packed action; 1062 } u; 1063 } __packed __aligned(2); 1064 1065 /* Supported rates membership selectors */ 1066 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1067 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1068 1069 /* mgmt header + 1 byte category code */ 1070 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1071 1072 1073 /* Management MIC information element (IEEE 802.11w) */ 1074 struct ieee80211_mmie { 1075 u8 element_id; 1076 u8 length; 1077 __le16 key_id; 1078 u8 sequence_number[6]; 1079 u8 mic[8]; 1080 } __packed; 1081 1082 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1083 struct ieee80211_mmie_16 { 1084 u8 element_id; 1085 u8 length; 1086 __le16 key_id; 1087 u8 sequence_number[6]; 1088 u8 mic[16]; 1089 } __packed; 1090 1091 struct ieee80211_vendor_ie { 1092 u8 element_id; 1093 u8 len; 1094 u8 oui[3]; 1095 u8 oui_type; 1096 } __packed; 1097 1098 struct ieee80211_wmm_ac_param { 1099 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1100 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1101 __le16 txop_limit; 1102 } __packed; 1103 1104 struct ieee80211_wmm_param_ie { 1105 u8 element_id; /* Element ID: 221 (0xdd); */ 1106 u8 len; /* Length: 24 */ 1107 /* required fields for WMM version 1 */ 1108 u8 oui[3]; /* 00:50:f2 */ 1109 u8 oui_type; /* 2 */ 1110 u8 oui_subtype; /* 1 */ 1111 u8 version; /* 1 for WMM version 1.0 */ 1112 u8 qos_info; /* AP/STA specific QoS info */ 1113 u8 reserved; /* 0 */ 1114 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1115 struct ieee80211_wmm_ac_param ac[4]; 1116 } __packed; 1117 1118 /* Control frames */ 1119 struct ieee80211_rts { 1120 __le16 frame_control; 1121 __le16 duration; 1122 u8 ra[ETH_ALEN]; 1123 u8 ta[ETH_ALEN]; 1124 } __packed __aligned(2); 1125 1126 struct ieee80211_cts { 1127 __le16 frame_control; 1128 __le16 duration; 1129 u8 ra[ETH_ALEN]; 1130 } __packed __aligned(2); 1131 1132 struct ieee80211_pspoll { 1133 __le16 frame_control; 1134 __le16 aid; 1135 u8 bssid[ETH_ALEN]; 1136 u8 ta[ETH_ALEN]; 1137 } __packed __aligned(2); 1138 1139 /* TDLS */ 1140 1141 /* Channel switch timing */ 1142 struct ieee80211_ch_switch_timing { 1143 __le16 switch_time; 1144 __le16 switch_timeout; 1145 } __packed; 1146 1147 /* Link-id information element */ 1148 struct ieee80211_tdls_lnkie { 1149 u8 ie_type; /* Link Identifier IE */ 1150 u8 ie_len; 1151 u8 bssid[ETH_ALEN]; 1152 u8 init_sta[ETH_ALEN]; 1153 u8 resp_sta[ETH_ALEN]; 1154 } __packed; 1155 1156 struct ieee80211_tdls_data { 1157 u8 da[ETH_ALEN]; 1158 u8 sa[ETH_ALEN]; 1159 __be16 ether_type; 1160 u8 payload_type; 1161 u8 category; 1162 u8 action_code; 1163 union { 1164 struct { 1165 u8 dialog_token; 1166 __le16 capability; 1167 u8 variable[0]; 1168 } __packed setup_req; 1169 struct { 1170 __le16 status_code; 1171 u8 dialog_token; 1172 __le16 capability; 1173 u8 variable[0]; 1174 } __packed setup_resp; 1175 struct { 1176 __le16 status_code; 1177 u8 dialog_token; 1178 u8 variable[0]; 1179 } __packed setup_cfm; 1180 struct { 1181 __le16 reason_code; 1182 u8 variable[0]; 1183 } __packed teardown; 1184 struct { 1185 u8 dialog_token; 1186 u8 variable[0]; 1187 } __packed discover_req; 1188 struct { 1189 u8 target_channel; 1190 u8 oper_class; 1191 u8 variable[0]; 1192 } __packed chan_switch_req; 1193 struct { 1194 __le16 status_code; 1195 u8 variable[0]; 1196 } __packed chan_switch_resp; 1197 } u; 1198 } __packed; 1199 1200 /* 1201 * Peer-to-Peer IE attribute related definitions. 1202 */ 1203 /** 1204 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1205 */ 1206 enum ieee80211_p2p_attr_id { 1207 IEEE80211_P2P_ATTR_STATUS = 0, 1208 IEEE80211_P2P_ATTR_MINOR_REASON, 1209 IEEE80211_P2P_ATTR_CAPABILITY, 1210 IEEE80211_P2P_ATTR_DEVICE_ID, 1211 IEEE80211_P2P_ATTR_GO_INTENT, 1212 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1213 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1214 IEEE80211_P2P_ATTR_GROUP_BSSID, 1215 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1216 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1217 IEEE80211_P2P_ATTR_MANAGABILITY, 1218 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1219 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1220 IEEE80211_P2P_ATTR_DEVICE_INFO, 1221 IEEE80211_P2P_ATTR_GROUP_INFO, 1222 IEEE80211_P2P_ATTR_GROUP_ID, 1223 IEEE80211_P2P_ATTR_INTERFACE, 1224 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1225 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1226 /* 19 - 220: Reserved */ 1227 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1228 1229 IEEE80211_P2P_ATTR_MAX 1230 }; 1231 1232 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1233 /* Typical max value used here */ 1234 #define IEEE80211_P2P_NOA_DESC_MAX 4 1235 1236 struct ieee80211_p2p_noa_desc { 1237 u8 count; 1238 __le32 duration; 1239 __le32 interval; 1240 __le32 start_time; 1241 } __packed; 1242 1243 struct ieee80211_p2p_noa_attr { 1244 u8 index; 1245 u8 oppps_ctwindow; 1246 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1247 } __packed; 1248 1249 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1250 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1251 1252 /** 1253 * struct ieee80211_bar - HT Block Ack Request 1254 * 1255 * This structure refers to "HT BlockAckReq" as 1256 * described in 802.11n draft section 7.2.1.7.1 1257 */ 1258 struct ieee80211_bar { 1259 __le16 frame_control; 1260 __le16 duration; 1261 __u8 ra[ETH_ALEN]; 1262 __u8 ta[ETH_ALEN]; 1263 __le16 control; 1264 __le16 start_seq_num; 1265 } __packed; 1266 1267 /* 802.11 BAR control masks */ 1268 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1269 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1270 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1271 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1272 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1273 1274 #define IEEE80211_HT_MCS_MASK_LEN 10 1275 1276 /** 1277 * struct ieee80211_mcs_info - MCS information 1278 * @rx_mask: RX mask 1279 * @rx_highest: highest supported RX rate. If set represents 1280 * the highest supported RX data rate in units of 1 Mbps. 1281 * If this field is 0 this value should not be used to 1282 * consider the highest RX data rate supported. 1283 * @tx_params: TX parameters 1284 */ 1285 struct ieee80211_mcs_info { 1286 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1287 __le16 rx_highest; 1288 u8 tx_params; 1289 u8 reserved[3]; 1290 } __packed; 1291 1292 /* 802.11n HT capability MSC set */ 1293 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1294 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1295 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1296 /* value 0 == 1 stream etc */ 1297 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1298 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1299 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1300 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1301 1302 /* 1303 * 802.11n D5.0 20.3.5 / 20.6 says: 1304 * - indices 0 to 7 and 32 are single spatial stream 1305 * - 8 to 31 are multiple spatial streams using equal modulation 1306 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1307 * - remainder are multiple spatial streams using unequal modulation 1308 */ 1309 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1310 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1311 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1312 1313 /** 1314 * struct ieee80211_ht_cap - HT capabilities 1315 * 1316 * This structure is the "HT capabilities element" as 1317 * described in 802.11n D5.0 7.3.2.57 1318 */ 1319 struct ieee80211_ht_cap { 1320 __le16 cap_info; 1321 u8 ampdu_params_info; 1322 1323 /* 16 bytes MCS information */ 1324 struct ieee80211_mcs_info mcs; 1325 1326 __le16 extended_ht_cap_info; 1327 __le32 tx_BF_cap_info; 1328 u8 antenna_selection_info; 1329 } __packed; 1330 1331 /* 802.11n HT capabilities masks (for cap_info) */ 1332 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1333 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1334 #define IEEE80211_HT_CAP_SM_PS 0x000C 1335 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1336 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1337 #define IEEE80211_HT_CAP_SGI_20 0x0020 1338 #define IEEE80211_HT_CAP_SGI_40 0x0040 1339 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1340 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1341 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1342 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1343 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1344 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1345 #define IEEE80211_HT_CAP_RESERVED 0x2000 1346 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1347 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1348 1349 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1350 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1351 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1352 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1353 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1354 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1355 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1356 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1357 1358 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1359 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1360 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1361 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1362 1363 /* 1364 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1365 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1366 */ 1367 enum ieee80211_max_ampdu_length_exp { 1368 IEEE80211_HT_MAX_AMPDU_8K = 0, 1369 IEEE80211_HT_MAX_AMPDU_16K = 1, 1370 IEEE80211_HT_MAX_AMPDU_32K = 2, 1371 IEEE80211_HT_MAX_AMPDU_64K = 3 1372 }; 1373 1374 /* 1375 * Maximum length of AMPDU that the STA can receive in VHT. 1376 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1377 */ 1378 enum ieee80211_vht_max_ampdu_length_exp { 1379 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1380 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1381 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1382 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1383 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1384 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1385 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1386 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1387 }; 1388 1389 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1390 1391 /* Minimum MPDU start spacing */ 1392 enum ieee80211_min_mpdu_spacing { 1393 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1394 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1395 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1396 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1397 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1398 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1399 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1400 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1401 }; 1402 1403 /** 1404 * struct ieee80211_ht_operation - HT operation IE 1405 * 1406 * This structure is the "HT operation element" as 1407 * described in 802.11n-2009 7.3.2.57 1408 */ 1409 struct ieee80211_ht_operation { 1410 u8 primary_chan; 1411 u8 ht_param; 1412 __le16 operation_mode; 1413 __le16 stbc_param; 1414 u8 basic_set[16]; 1415 } __packed; 1416 1417 /* for ht_param */ 1418 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1419 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1420 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1421 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1422 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1423 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1424 1425 /* for operation_mode */ 1426 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1427 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1428 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1429 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1430 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1431 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1432 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1433 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5 1434 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0 1435 1436 /* for stbc_param */ 1437 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1438 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1439 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1440 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1441 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1442 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1443 1444 1445 /* block-ack parameters */ 1446 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1447 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1448 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1449 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1450 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1451 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1452 1453 /* 1454 * A-MPDU buffer sizes 1455 * According to HT size varies from 8 to 64 frames 1456 * HE adds the ability to have up to 256 frames. 1457 */ 1458 #define IEEE80211_MIN_AMPDU_BUF 0x8 1459 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 1460 #define IEEE80211_MAX_AMPDU_BUF 0x100 1461 1462 1463 /* Spatial Multiplexing Power Save Modes (for capability) */ 1464 #define WLAN_HT_CAP_SM_PS_STATIC 0 1465 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1466 #define WLAN_HT_CAP_SM_PS_INVALID 2 1467 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1468 1469 /* for SM power control field lower two bits */ 1470 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1471 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1472 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1473 1474 /** 1475 * struct ieee80211_vht_mcs_info - VHT MCS information 1476 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1477 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1478 * STA can receive. Rate expressed in units of 1 Mbps. 1479 * If this field is 0 this value should not be used to 1480 * consider the highest RX data rate supported. 1481 * The top 3 bits of this field indicate the Maximum NSTS,total 1482 * (a beamformee capability.) 1483 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1484 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1485 * STA can transmit. Rate expressed in units of 1 Mbps. 1486 * If this field is 0 this value should not be used to 1487 * consider the highest TX data rate supported. 1488 * The top 2 bits of this field are reserved, the 1489 * 3rd bit from the top indiciates VHT Extended NSS BW 1490 * Capability. 1491 */ 1492 struct ieee80211_vht_mcs_info { 1493 __le16 rx_mcs_map; 1494 __le16 rx_highest; 1495 __le16 tx_mcs_map; 1496 __le16 tx_highest; 1497 } __packed; 1498 1499 /* for rx_highest */ 1500 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13 1501 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT) 1502 1503 /* for tx_highest */ 1504 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) 1505 1506 /** 1507 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1508 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1509 * number of streams 1510 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1511 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1512 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1513 * 1514 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1515 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1516 * both split into 8 subfields by number of streams. These values indicate 1517 * which MCSes are supported for the number of streams the value appears 1518 * for. 1519 */ 1520 enum ieee80211_vht_mcs_support { 1521 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1522 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1523 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1524 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1525 }; 1526 1527 /** 1528 * struct ieee80211_vht_cap - VHT capabilities 1529 * 1530 * This structure is the "VHT capabilities element" as 1531 * described in 802.11ac D3.0 8.4.2.160 1532 * @vht_cap_info: VHT capability info 1533 * @supp_mcs: VHT MCS supported rates 1534 */ 1535 struct ieee80211_vht_cap { 1536 __le32 vht_cap_info; 1537 struct ieee80211_vht_mcs_info supp_mcs; 1538 } __packed; 1539 1540 /** 1541 * enum ieee80211_vht_chanwidth - VHT channel width 1542 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1543 * determine the channel width (20 or 40 MHz) 1544 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1545 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1546 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1547 */ 1548 enum ieee80211_vht_chanwidth { 1549 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1550 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1551 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1552 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1553 }; 1554 1555 /** 1556 * struct ieee80211_vht_operation - VHT operation IE 1557 * 1558 * This structure is the "VHT operation element" as 1559 * described in 802.11ac D3.0 8.4.2.161 1560 * @chan_width: Operating channel width 1561 * @center_freq_seg0_idx: center freq segment 0 index 1562 * @center_freq_seg1_idx: center freq segment 1 index 1563 * @basic_mcs_set: VHT Basic MCS rate set 1564 */ 1565 struct ieee80211_vht_operation { 1566 u8 chan_width; 1567 u8 center_freq_seg0_idx; 1568 u8 center_freq_seg1_idx; 1569 __le16 basic_mcs_set; 1570 } __packed; 1571 1572 /** 1573 * struct ieee80211_he_cap_elem - HE capabilities element 1574 * 1575 * This structure is the "HE capabilities element" fixed fields as 1576 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3 1577 */ 1578 struct ieee80211_he_cap_elem { 1579 u8 mac_cap_info[6]; 1580 u8 phy_cap_info[11]; 1581 } __packed; 1582 1583 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5 1584 1585 /** 1586 * enum ieee80211_he_mcs_support - HE MCS support definitions 1587 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1588 * number of streams 1589 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1590 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported 1591 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported 1592 * 1593 * These definitions are used in each 2-bit subfield of the rx_mcs_* 1594 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are 1595 * both split into 8 subfields by number of streams. These values indicate 1596 * which MCSes are supported for the number of streams the value appears 1597 * for. 1598 */ 1599 enum ieee80211_he_mcs_support { 1600 IEEE80211_HE_MCS_SUPPORT_0_7 = 0, 1601 IEEE80211_HE_MCS_SUPPORT_0_9 = 1, 1602 IEEE80211_HE_MCS_SUPPORT_0_11 = 2, 1603 IEEE80211_HE_MCS_NOT_SUPPORTED = 3, 1604 }; 1605 1606 /** 1607 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field 1608 * 1609 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field 1610 * described in P802.11ax_D2.0 section 9.4.2.237.4 1611 * 1612 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1613 * widths less than 80MHz. 1614 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1615 * widths less than 80MHz. 1616 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1617 * width 160MHz. 1618 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1619 * width 160MHz. 1620 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for 1621 * channel width 80p80MHz. 1622 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for 1623 * channel width 80p80MHz. 1624 */ 1625 struct ieee80211_he_mcs_nss_supp { 1626 __le16 rx_mcs_80; 1627 __le16 tx_mcs_80; 1628 __le16 rx_mcs_160; 1629 __le16 tx_mcs_160; 1630 __le16 rx_mcs_80p80; 1631 __le16 tx_mcs_80p80; 1632 } __packed; 1633 1634 /** 1635 * struct ieee80211_he_operation - HE capabilities element 1636 * 1637 * This structure is the "HE operation element" fields as 1638 * described in P802.11ax_D4.0 section 9.4.2.243 1639 */ 1640 struct ieee80211_he_operation { 1641 __le32 he_oper_params; 1642 __le16 he_mcs_nss_set; 1643 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */ 1644 u8 optional[0]; 1645 } __packed; 1646 1647 /** 1648 * struct ieee80211_he_spr - HE spatial reuse element 1649 * 1650 * This structure is the "HE spatial reuse element" element as 1651 * described in P802.11ax_D4.0 section 9.4.2.241 1652 */ 1653 struct ieee80211_he_spr { 1654 u8 he_sr_control; 1655 /* Optional 0 to 19 bytes: depends on @he_sr_control */ 1656 u8 optional[0]; 1657 } __packed; 1658 1659 /** 1660 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field 1661 * 1662 * This structure is the "MU AC Parameter Record" fields as 1663 * described in P802.11ax_D4.0 section 9.4.2.245 1664 */ 1665 struct ieee80211_he_mu_edca_param_ac_rec { 1666 u8 aifsn; 1667 u8 ecw_min_max; 1668 u8 mu_edca_timer; 1669 } __packed; 1670 1671 /** 1672 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element 1673 * 1674 * This structure is the "MU EDCA Parameter Set element" fields as 1675 * described in P802.11ax_D4.0 section 9.4.2.245 1676 */ 1677 struct ieee80211_mu_edca_param_set { 1678 u8 mu_qos_info; 1679 struct ieee80211_he_mu_edca_param_ac_rec ac_be; 1680 struct ieee80211_he_mu_edca_param_ac_rec ac_bk; 1681 struct ieee80211_he_mu_edca_param_ac_rec ac_vi; 1682 struct ieee80211_he_mu_edca_param_ac_rec ac_vo; 1683 } __packed; 1684 1685 /* 802.11ac VHT Capabilities */ 1686 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1687 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1688 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1689 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1690 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1691 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1692 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1693 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2 1694 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1695 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1696 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1697 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1698 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1699 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1700 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1701 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1702 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1703 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8 1704 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1705 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1706 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1707 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1708 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1709 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1710 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1711 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1712 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1713 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1714 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1715 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1716 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1717 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1718 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1719 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1720 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1721 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1722 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1723 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30 1724 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000 1725 1726 /** 1727 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS 1728 * @cap: VHT capabilities of the peer 1729 * @bw: bandwidth to use 1730 * @mcs: MCS index to use 1731 * @ext_nss_bw_capable: indicates whether or not the local transmitter 1732 * (rate scaling algorithm) can deal with the new logic 1733 * (dot11VHTExtendedNSSBWCapable) 1734 * 1735 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can 1736 * vary for a given BW/MCS. This function parses the data. 1737 * 1738 * Note: This function is exported by cfg80211. 1739 */ 1740 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, 1741 enum ieee80211_vht_chanwidth bw, 1742 int mcs, bool ext_nss_bw_capable); 1743 1744 /* 802.11ax HE MAC capabilities */ 1745 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01 1746 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02 1747 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04 1748 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00 1749 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08 1750 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10 1751 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18 1752 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18 1753 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00 1754 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20 1755 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40 1756 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60 1757 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80 1758 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0 1759 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0 1760 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0 1761 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0 1762 1763 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00 1764 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01 1765 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02 1766 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03 1767 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03 1768 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00 1769 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04 1770 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08 1771 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c 1772 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00 1773 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10 1774 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20 1775 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30 1776 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40 1777 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50 1778 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60 1779 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70 1780 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70 1781 1782 /* Link adaptation is split between byte HE_MAC_CAP1 and 1783 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE 1784 * in which case the following values apply: 1785 * 0 = No feedback. 1786 * 1 = reserved. 1787 * 2 = Unsolicited feedback. 1788 * 3 = both 1789 */ 1790 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80 1791 1792 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01 1793 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02 1794 #define IEEE80211_HE_MAC_CAP2_TRS 0x04 1795 #define IEEE80211_HE_MAC_CAP2_BSR 0x08 1796 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10 1797 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20 1798 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40 1799 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80 1800 1801 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02 1802 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04 1803 1804 /* The maximum length of an A-MDPU is defined by the combination of the Maximum 1805 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the 1806 * same field in the HE capabilities. 1807 */ 1808 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00 1809 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08 1810 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10 1811 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18 1812 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18 1813 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20 1814 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40 1815 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80 1816 1817 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01 1818 #define IEEE80211_HE_MAC_CAP4_QTP 0x02 1819 #define IEEE80211_HE_MAC_CAP4_BQR 0x04 1820 #define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08 1821 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10 1822 #define IEEE80211_HE_MAC_CAP4_OPS 0x20 1823 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40 1824 /* Multi TID agg TX is split between byte #4 and #5 1825 * The value is a combination of B39,B40,B41 1826 */ 1827 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80 1828 1829 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01 1830 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02 1831 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04 1832 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08 1833 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10 1834 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20 1835 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40 1836 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80 1837 1838 /* 802.11ax HE PHY capabilities */ 1839 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02 1840 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04 1841 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08 1842 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10 1843 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20 1844 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40 1845 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe 1846 1847 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01 1848 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02 1849 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04 1850 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08 1851 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f 1852 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10 1853 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20 1854 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40 1855 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */ 1856 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80 1857 1858 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01 1859 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02 1860 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04 1861 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08 1862 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10 1863 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20 1864 1865 /* Note that the meaning of UL MU below is different between an AP and a non-AP 1866 * sta, where in the AP case it indicates support for Rx and in the non-AP sta 1867 * case it indicates support for Tx. 1868 */ 1869 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40 1870 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80 1871 1872 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00 1873 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01 1874 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02 1875 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03 1876 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03 1877 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00 1878 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04 1879 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00 1880 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08 1881 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10 1882 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18 1883 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18 1884 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00 1885 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20 1886 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40 1887 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80 1888 1889 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01 1890 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02 1891 1892 /* Minimal allowed value of Max STS under 80MHz is 3 */ 1893 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c 1894 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10 1895 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14 1896 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18 1897 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c 1898 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c 1899 1900 /* Minimal allowed value of Max STS above 80MHz is 3 */ 1901 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60 1902 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80 1903 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0 1904 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0 1905 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0 1906 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0 1907 1908 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00 1909 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01 1910 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02 1911 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03 1912 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04 1913 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05 1914 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06 1915 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07 1916 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07 1917 1918 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00 1919 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08 1920 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10 1921 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18 1922 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20 1923 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28 1924 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30 1925 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38 1926 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38 1927 1928 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40 1929 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80 1930 1931 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01 1932 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02 1933 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04 1934 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08 1935 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10 1936 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20 1937 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40 1938 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80 1939 1940 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01 1941 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02 1942 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04 1943 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08 1944 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10 1945 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18 1946 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20 1947 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28 1948 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30 1949 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38 1950 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38 1951 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40 1952 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80 1953 1954 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01 1955 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02 1956 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04 1957 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08 1958 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10 1959 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20 1960 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00 1961 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40 1962 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80 1963 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0 1964 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0 1965 1966 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01 1967 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02 1968 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04 1969 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08 1970 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10 1971 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20 1972 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00 1973 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40 1974 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80 1975 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0 1976 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0 1977 1978 /* 802.11ax HE TX/RX MCS NSS Support */ 1979 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) 1980 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6) 1981 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11) 1982 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0 1983 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800 1984 1985 /* TX/RX HE MCS Support field Highest MCS subfield encoding */ 1986 enum ieee80211_he_highest_mcs_supported_subfield_enc { 1987 HIGHEST_MCS_SUPPORTED_MCS7 = 0, 1988 HIGHEST_MCS_SUPPORTED_MCS8, 1989 HIGHEST_MCS_SUPPORTED_MCS9, 1990 HIGHEST_MCS_SUPPORTED_MCS10, 1991 HIGHEST_MCS_SUPPORTED_MCS11, 1992 }; 1993 1994 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */ 1995 static inline u8 1996 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap) 1997 { 1998 u8 count = 4; 1999 2000 if (he_cap->phy_cap_info[0] & 2001 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 2002 count += 4; 2003 2004 if (he_cap->phy_cap_info[0] & 2005 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 2006 count += 4; 2007 2008 return count; 2009 } 2010 2011 /* 802.11ax HE PPE Thresholds */ 2012 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1) 2013 #define IEEE80211_PPE_THRES_NSS_POS (0) 2014 #define IEEE80211_PPE_THRES_NSS_MASK (7) 2015 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \ 2016 (BIT(5) | BIT(6)) 2017 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78 2018 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3) 2019 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3) 2020 2021 /* 2022 * Calculate 802.11ax HE capabilities IE PPE field size 2023 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8* 2024 */ 2025 static inline u8 2026 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) 2027 { 2028 u8 n; 2029 2030 if ((phy_cap_info[6] & 2031 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0) 2032 return 0; 2033 2034 n = hweight8(ppe_thres_hdr & 2035 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2036 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >> 2037 IEEE80211_PPE_THRES_NSS_POS)); 2038 2039 /* 2040 * Each pair is 6 bits, and we need to add the 7 "header" bits to the 2041 * total size. 2042 */ 2043 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7; 2044 n = DIV_ROUND_UP(n, 8); 2045 2046 return n; 2047 } 2048 2049 /* HE Operation defines */ 2050 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000003 2051 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008 2052 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0 2053 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4 2054 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 2055 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000 2056 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 2057 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000 2058 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 2059 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 2060 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 2061 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 2062 2063 /* 2064 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size 2065 * @he_oper_ie: byte data of the He Operations IE, stating from the byte 2066 * after the ext ID byte. It is assumed that he_oper_ie has at least 2067 * sizeof(struct ieee80211_he_operation) bytes, the caller must have 2068 * validated this. 2069 * @return the actual size of the IE data (not including header), or 0 on error 2070 */ 2071 static inline u8 2072 ieee80211_he_oper_size(const u8 *he_oper_ie) 2073 { 2074 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie; 2075 u8 oper_len = sizeof(struct ieee80211_he_operation); 2076 u32 he_oper_params; 2077 2078 /* Make sure the input is not NULL */ 2079 if (!he_oper_ie) 2080 return 0; 2081 2082 /* Calc required length */ 2083 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2084 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2085 oper_len += 3; 2086 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2087 oper_len++; 2088 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO) 2089 oper_len += 4; 2090 2091 /* Add the first byte (extension ID) to the total length */ 2092 oper_len++; 2093 2094 return oper_len; 2095 } 2096 2097 /* HE Spatial Reuse defines */ 2098 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4 2099 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8 2100 2101 /* 2102 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size 2103 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte 2104 * after the ext ID byte. It is assumed that he_spr_ie has at least 2105 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated 2106 * this 2107 * @return the actual size of the IE data (not including header), or 0 on error 2108 */ 2109 static inline u8 2110 ieee80211_he_spr_size(const u8 *he_spr_ie) 2111 { 2112 struct ieee80211_he_spr *he_spr = (void *)he_spr_ie; 2113 u8 spr_len = sizeof(struct ieee80211_he_spr); 2114 u8 he_spr_params; 2115 2116 /* Make sure the input is not NULL */ 2117 if (!he_spr_ie) 2118 return 0; 2119 2120 /* Calc required length */ 2121 he_spr_params = he_spr->he_sr_control; 2122 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) 2123 spr_len++; 2124 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) 2125 spr_len += 18; 2126 2127 /* Add the first byte (extension ID) to the total length */ 2128 spr_len++; 2129 2130 return spr_len; 2131 } 2132 2133 /* Authentication algorithms */ 2134 #define WLAN_AUTH_OPEN 0 2135 #define WLAN_AUTH_SHARED_KEY 1 2136 #define WLAN_AUTH_FT 2 2137 #define WLAN_AUTH_SAE 3 2138 #define WLAN_AUTH_FILS_SK 4 2139 #define WLAN_AUTH_FILS_SK_PFS 5 2140 #define WLAN_AUTH_FILS_PK 6 2141 #define WLAN_AUTH_LEAP 128 2142 2143 #define WLAN_AUTH_CHALLENGE_LEN 128 2144 2145 #define WLAN_CAPABILITY_ESS (1<<0) 2146 #define WLAN_CAPABILITY_IBSS (1<<1) 2147 2148 /* 2149 * A mesh STA sets the ESS and IBSS capability bits to zero. 2150 * however, this holds true for p2p probe responses (in the p2p_find 2151 * phase) as well. 2152 */ 2153 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 2154 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 2155 2156 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 2157 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 2158 #define WLAN_CAPABILITY_PRIVACY (1<<4) 2159 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 2160 #define WLAN_CAPABILITY_PBCC (1<<6) 2161 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 2162 2163 /* 802.11h */ 2164 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 2165 #define WLAN_CAPABILITY_QOS (1<<9) 2166 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 2167 #define WLAN_CAPABILITY_APSD (1<<11) 2168 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 2169 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 2170 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 2171 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 2172 2173 /* DMG (60gHz) 802.11ad */ 2174 /* type - bits 0..1 */ 2175 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 2176 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 2177 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 2178 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 2179 2180 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 2181 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 2182 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 2183 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 2184 2185 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 2186 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 2187 2188 /* measurement */ 2189 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 2190 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 2191 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 2192 2193 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 2194 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 2195 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 2196 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 2197 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 2198 2199 /* 802.11g ERP information element */ 2200 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 2201 #define WLAN_ERP_USE_PROTECTION (1<<1) 2202 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 2203 2204 /* WLAN_ERP_BARKER_PREAMBLE values */ 2205 enum { 2206 WLAN_ERP_PREAMBLE_SHORT = 0, 2207 WLAN_ERP_PREAMBLE_LONG = 1, 2208 }; 2209 2210 /* Band ID, 802.11ad #8.4.1.45 */ 2211 enum { 2212 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 2213 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 2214 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 2215 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 2216 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 2217 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 2218 }; 2219 2220 /* Status codes */ 2221 enum ieee80211_statuscode { 2222 WLAN_STATUS_SUCCESS = 0, 2223 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 2224 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 2225 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 2226 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 2227 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 2228 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 2229 WLAN_STATUS_CHALLENGE_FAIL = 15, 2230 WLAN_STATUS_AUTH_TIMEOUT = 16, 2231 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 2232 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 2233 /* 802.11b */ 2234 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 2235 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 2236 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 2237 /* 802.11h */ 2238 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 2239 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 2240 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 2241 /* 802.11g */ 2242 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 2243 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 2244 /* 802.11w */ 2245 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 2246 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 2247 /* 802.11i */ 2248 WLAN_STATUS_INVALID_IE = 40, 2249 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 2250 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 2251 WLAN_STATUS_INVALID_AKMP = 43, 2252 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 2253 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 2254 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 2255 /* 802.11e */ 2256 WLAN_STATUS_UNSPECIFIED_QOS = 32, 2257 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 2258 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 2259 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 2260 WLAN_STATUS_REQUEST_DECLINED = 37, 2261 WLAN_STATUS_INVALID_QOS_PARAM = 38, 2262 WLAN_STATUS_CHANGE_TSPEC = 39, 2263 WLAN_STATUS_WAIT_TS_DELAY = 47, 2264 WLAN_STATUS_NO_DIRECT_LINK = 48, 2265 WLAN_STATUS_STA_NOT_PRESENT = 49, 2266 WLAN_STATUS_STA_NOT_QSTA = 50, 2267 /* 802.11s */ 2268 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 2269 WLAN_STATUS_FCG_NOT_SUPP = 78, 2270 WLAN_STATUS_STA_NO_TBTT = 78, 2271 /* 802.11ad */ 2272 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 2273 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 2274 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 2275 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 2276 WLAN_STATUS_PERFORMING_FST_NOW = 87, 2277 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 2278 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 2279 WLAN_STATUS_REJECT_DSE_BAND = 96, 2280 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 2281 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 2282 /* 802.11ai */ 2283 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, 2284 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, 2285 }; 2286 2287 2288 /* Reason codes */ 2289 enum ieee80211_reasoncode { 2290 WLAN_REASON_UNSPECIFIED = 1, 2291 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 2292 WLAN_REASON_DEAUTH_LEAVING = 3, 2293 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 2294 WLAN_REASON_DISASSOC_AP_BUSY = 5, 2295 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 2296 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 2297 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 2298 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 2299 /* 802.11h */ 2300 WLAN_REASON_DISASSOC_BAD_POWER = 10, 2301 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 2302 /* 802.11i */ 2303 WLAN_REASON_INVALID_IE = 13, 2304 WLAN_REASON_MIC_FAILURE = 14, 2305 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 2306 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 2307 WLAN_REASON_IE_DIFFERENT = 17, 2308 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 2309 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 2310 WLAN_REASON_INVALID_AKMP = 20, 2311 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 2312 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 2313 WLAN_REASON_IEEE8021X_FAILED = 23, 2314 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 2315 /* TDLS (802.11z) */ 2316 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 2317 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 2318 /* 802.11e */ 2319 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 2320 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 2321 WLAN_REASON_DISASSOC_LOW_ACK = 34, 2322 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 2323 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 2324 WLAN_REASON_QSTA_NOT_USE = 37, 2325 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 2326 WLAN_REASON_QSTA_TIMEOUT = 39, 2327 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 2328 /* 802.11s */ 2329 WLAN_REASON_MESH_PEER_CANCELED = 52, 2330 WLAN_REASON_MESH_MAX_PEERS = 53, 2331 WLAN_REASON_MESH_CONFIG = 54, 2332 WLAN_REASON_MESH_CLOSE = 55, 2333 WLAN_REASON_MESH_MAX_RETRIES = 56, 2334 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 2335 WLAN_REASON_MESH_INVALID_GTK = 58, 2336 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 2337 WLAN_REASON_MESH_INVALID_SECURITY = 60, 2338 WLAN_REASON_MESH_PATH_ERROR = 61, 2339 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 2340 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 2341 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 2342 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 2343 WLAN_REASON_MESH_CHAN = 66, 2344 }; 2345 2346 2347 /* Information Element IDs */ 2348 enum ieee80211_eid { 2349 WLAN_EID_SSID = 0, 2350 WLAN_EID_SUPP_RATES = 1, 2351 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 2352 WLAN_EID_DS_PARAMS = 3, 2353 WLAN_EID_CF_PARAMS = 4, 2354 WLAN_EID_TIM = 5, 2355 WLAN_EID_IBSS_PARAMS = 6, 2356 WLAN_EID_COUNTRY = 7, 2357 /* 8, 9 reserved */ 2358 WLAN_EID_REQUEST = 10, 2359 WLAN_EID_QBSS_LOAD = 11, 2360 WLAN_EID_EDCA_PARAM_SET = 12, 2361 WLAN_EID_TSPEC = 13, 2362 WLAN_EID_TCLAS = 14, 2363 WLAN_EID_SCHEDULE = 15, 2364 WLAN_EID_CHALLENGE = 16, 2365 /* 17-31 reserved for challenge text extension */ 2366 WLAN_EID_PWR_CONSTRAINT = 32, 2367 WLAN_EID_PWR_CAPABILITY = 33, 2368 WLAN_EID_TPC_REQUEST = 34, 2369 WLAN_EID_TPC_REPORT = 35, 2370 WLAN_EID_SUPPORTED_CHANNELS = 36, 2371 WLAN_EID_CHANNEL_SWITCH = 37, 2372 WLAN_EID_MEASURE_REQUEST = 38, 2373 WLAN_EID_MEASURE_REPORT = 39, 2374 WLAN_EID_QUIET = 40, 2375 WLAN_EID_IBSS_DFS = 41, 2376 WLAN_EID_ERP_INFO = 42, 2377 WLAN_EID_TS_DELAY = 43, 2378 WLAN_EID_TCLAS_PROCESSING = 44, 2379 WLAN_EID_HT_CAPABILITY = 45, 2380 WLAN_EID_QOS_CAPA = 46, 2381 /* 47 reserved for Broadcom */ 2382 WLAN_EID_RSN = 48, 2383 WLAN_EID_802_15_COEX = 49, 2384 WLAN_EID_EXT_SUPP_RATES = 50, 2385 WLAN_EID_AP_CHAN_REPORT = 51, 2386 WLAN_EID_NEIGHBOR_REPORT = 52, 2387 WLAN_EID_RCPI = 53, 2388 WLAN_EID_MOBILITY_DOMAIN = 54, 2389 WLAN_EID_FAST_BSS_TRANSITION = 55, 2390 WLAN_EID_TIMEOUT_INTERVAL = 56, 2391 WLAN_EID_RIC_DATA = 57, 2392 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 2393 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 2394 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 2395 WLAN_EID_HT_OPERATION = 61, 2396 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 2397 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 2398 WLAN_EID_ANTENNA_INFO = 64, 2399 WLAN_EID_RSNI = 65, 2400 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 2401 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 2402 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 2403 WLAN_EID_TIME_ADVERTISEMENT = 69, 2404 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 2405 WLAN_EID_MULTIPLE_BSSID = 71, 2406 WLAN_EID_BSS_COEX_2040 = 72, 2407 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 2408 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 2409 WLAN_EID_RIC_DESCRIPTOR = 75, 2410 WLAN_EID_MMIE = 76, 2411 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 2412 WLAN_EID_EVENT_REQUEST = 78, 2413 WLAN_EID_EVENT_REPORT = 79, 2414 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 2415 WLAN_EID_DIAGNOSTIC_REPORT = 81, 2416 WLAN_EID_LOCATION_PARAMS = 82, 2417 WLAN_EID_NON_TX_BSSID_CAP = 83, 2418 WLAN_EID_SSID_LIST = 84, 2419 WLAN_EID_MULTI_BSSID_IDX = 85, 2420 WLAN_EID_FMS_DESCRIPTOR = 86, 2421 WLAN_EID_FMS_REQUEST = 87, 2422 WLAN_EID_FMS_RESPONSE = 88, 2423 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 2424 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 2425 WLAN_EID_TSF_REQUEST = 91, 2426 WLAN_EID_TSF_RESPOSNE = 92, 2427 WLAN_EID_WNM_SLEEP_MODE = 93, 2428 WLAN_EID_TIM_BCAST_REQ = 94, 2429 WLAN_EID_TIM_BCAST_RESP = 95, 2430 WLAN_EID_COLL_IF_REPORT = 96, 2431 WLAN_EID_CHANNEL_USAGE = 97, 2432 WLAN_EID_TIME_ZONE = 98, 2433 WLAN_EID_DMS_REQUEST = 99, 2434 WLAN_EID_DMS_RESPONSE = 100, 2435 WLAN_EID_LINK_ID = 101, 2436 WLAN_EID_WAKEUP_SCHEDUL = 102, 2437 /* 103 reserved */ 2438 WLAN_EID_CHAN_SWITCH_TIMING = 104, 2439 WLAN_EID_PTI_CONTROL = 105, 2440 WLAN_EID_PU_BUFFER_STATUS = 106, 2441 WLAN_EID_INTERWORKING = 107, 2442 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 2443 WLAN_EID_EXPEDITED_BW_REQ = 109, 2444 WLAN_EID_QOS_MAP_SET = 110, 2445 WLAN_EID_ROAMING_CONSORTIUM = 111, 2446 WLAN_EID_EMERGENCY_ALERT = 112, 2447 WLAN_EID_MESH_CONFIG = 113, 2448 WLAN_EID_MESH_ID = 114, 2449 WLAN_EID_LINK_METRIC_REPORT = 115, 2450 WLAN_EID_CONGESTION_NOTIFICATION = 116, 2451 WLAN_EID_PEER_MGMT = 117, 2452 WLAN_EID_CHAN_SWITCH_PARAM = 118, 2453 WLAN_EID_MESH_AWAKE_WINDOW = 119, 2454 WLAN_EID_BEACON_TIMING = 120, 2455 WLAN_EID_MCCAOP_SETUP_REQ = 121, 2456 WLAN_EID_MCCAOP_SETUP_RESP = 122, 2457 WLAN_EID_MCCAOP_ADVERT = 123, 2458 WLAN_EID_MCCAOP_TEARDOWN = 124, 2459 WLAN_EID_GANN = 125, 2460 WLAN_EID_RANN = 126, 2461 WLAN_EID_EXT_CAPABILITY = 127, 2462 /* 128, 129 reserved for Agere */ 2463 WLAN_EID_PREQ = 130, 2464 WLAN_EID_PREP = 131, 2465 WLAN_EID_PERR = 132, 2466 /* 133-136 reserved for Cisco */ 2467 WLAN_EID_PXU = 137, 2468 WLAN_EID_PXUC = 138, 2469 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 2470 WLAN_EID_MIC = 140, 2471 WLAN_EID_DESTINATION_URI = 141, 2472 WLAN_EID_UAPSD_COEX = 142, 2473 WLAN_EID_WAKEUP_SCHEDULE = 143, 2474 WLAN_EID_EXT_SCHEDULE = 144, 2475 WLAN_EID_STA_AVAILABILITY = 145, 2476 WLAN_EID_DMG_TSPEC = 146, 2477 WLAN_EID_DMG_AT = 147, 2478 WLAN_EID_DMG_CAP = 148, 2479 /* 149 reserved for Cisco */ 2480 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 2481 WLAN_EID_DMG_OPERATION = 151, 2482 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 2483 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 2484 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 2485 /* 155-156 reserved for Cisco */ 2486 WLAN_EID_AWAKE_WINDOW = 157, 2487 WLAN_EID_MULTI_BAND = 158, 2488 WLAN_EID_ADDBA_EXT = 159, 2489 WLAN_EID_NEXT_PCP_LIST = 160, 2490 WLAN_EID_PCP_HANDOVER = 161, 2491 WLAN_EID_DMG_LINK_MARGIN = 162, 2492 WLAN_EID_SWITCHING_STREAM = 163, 2493 WLAN_EID_SESSION_TRANSITION = 164, 2494 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 2495 WLAN_EID_CLUSTER_REPORT = 166, 2496 WLAN_EID_RELAY_CAP = 167, 2497 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 2498 WLAN_EID_BEAM_LINK_MAINT = 169, 2499 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 2500 WLAN_EID_U_PID = 171, 2501 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 2502 /* 173 reserved for Symbol */ 2503 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 2504 WLAN_EID_QUIET_PERIOD_REQ = 175, 2505 /* 176 reserved for Symbol */ 2506 WLAN_EID_QUIET_PERIOD_RESP = 177, 2507 /* 178-179 reserved for Symbol */ 2508 /* 180 reserved for ISO/IEC 20011 */ 2509 WLAN_EID_EPAC_POLICY = 182, 2510 WLAN_EID_CLISTER_TIME_OFF = 183, 2511 WLAN_EID_INTER_AC_PRIO = 184, 2512 WLAN_EID_SCS_DESCRIPTOR = 185, 2513 WLAN_EID_QLOAD_REPORT = 186, 2514 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 2515 WLAN_EID_HL_STREAM_ID = 188, 2516 WLAN_EID_GCR_GROUP_ADDR = 189, 2517 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 2518 WLAN_EID_VHT_CAPABILITY = 191, 2519 WLAN_EID_VHT_OPERATION = 192, 2520 WLAN_EID_EXTENDED_BSS_LOAD = 193, 2521 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 2522 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 2523 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 2524 WLAN_EID_AID = 197, 2525 WLAN_EID_QUIET_CHANNEL = 198, 2526 WLAN_EID_OPMODE_NOTIF = 199, 2527 2528 WLAN_EID_VENDOR_SPECIFIC = 221, 2529 WLAN_EID_QOS_PARAMETER = 222, 2530 WLAN_EID_CAG_NUMBER = 237, 2531 WLAN_EID_AP_CSN = 239, 2532 WLAN_EID_FILS_INDICATION = 240, 2533 WLAN_EID_DILS = 241, 2534 WLAN_EID_FRAGMENT = 242, 2535 WLAN_EID_RSNX = 244, 2536 WLAN_EID_EXTENSION = 255 2537 }; 2538 2539 /* Element ID Extensions for Element ID 255 */ 2540 enum ieee80211_eid_ext { 2541 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 2542 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 2543 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 2544 WLAN_EID_EXT_FILS_SESSION = 4, 2545 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 2546 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 2547 WLAN_EID_EXT_KEY_DELIVERY = 7, 2548 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 2549 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 2550 WLAN_EID_EXT_FILS_NONCE = 13, 2551 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14, 2552 WLAN_EID_EXT_HE_CAPABILITY = 35, 2553 WLAN_EID_EXT_HE_OPERATION = 36, 2554 WLAN_EID_EXT_UORA = 37, 2555 WLAN_EID_EXT_HE_MU_EDCA = 38, 2556 WLAN_EID_EXT_HE_SPR = 39, 2557 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, 2558 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, 2559 WLAN_EID_EXT_NON_INHERITANCE = 56, 2560 }; 2561 2562 /* Action category code */ 2563 enum ieee80211_category { 2564 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 2565 WLAN_CATEGORY_QOS = 1, 2566 WLAN_CATEGORY_DLS = 2, 2567 WLAN_CATEGORY_BACK = 3, 2568 WLAN_CATEGORY_PUBLIC = 4, 2569 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 2570 WLAN_CATEGORY_HT = 7, 2571 WLAN_CATEGORY_SA_QUERY = 8, 2572 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 2573 WLAN_CATEGORY_WNM = 10, 2574 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 2575 WLAN_CATEGORY_TDLS = 12, 2576 WLAN_CATEGORY_MESH_ACTION = 13, 2577 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 2578 WLAN_CATEGORY_SELF_PROTECTED = 15, 2579 WLAN_CATEGORY_DMG = 16, 2580 WLAN_CATEGORY_WMM = 17, 2581 WLAN_CATEGORY_FST = 18, 2582 WLAN_CATEGORY_UNPROT_DMG = 20, 2583 WLAN_CATEGORY_VHT = 21, 2584 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 2585 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 2586 }; 2587 2588 /* SPECTRUM_MGMT action code */ 2589 enum ieee80211_spectrum_mgmt_actioncode { 2590 WLAN_ACTION_SPCT_MSR_REQ = 0, 2591 WLAN_ACTION_SPCT_MSR_RPRT = 1, 2592 WLAN_ACTION_SPCT_TPC_REQ = 2, 2593 WLAN_ACTION_SPCT_TPC_RPRT = 3, 2594 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 2595 }; 2596 2597 /* HT action codes */ 2598 enum ieee80211_ht_actioncode { 2599 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 2600 WLAN_HT_ACTION_SMPS = 1, 2601 WLAN_HT_ACTION_PSMP = 2, 2602 WLAN_HT_ACTION_PCO_PHASE = 3, 2603 WLAN_HT_ACTION_CSI = 4, 2604 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 2605 WLAN_HT_ACTION_COMPRESSED_BF = 6, 2606 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 2607 }; 2608 2609 /* VHT action codes */ 2610 enum ieee80211_vht_actioncode { 2611 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 2612 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 2613 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 2614 }; 2615 2616 /* Self Protected Action codes */ 2617 enum ieee80211_self_protected_actioncode { 2618 WLAN_SP_RESERVED = 0, 2619 WLAN_SP_MESH_PEERING_OPEN = 1, 2620 WLAN_SP_MESH_PEERING_CONFIRM = 2, 2621 WLAN_SP_MESH_PEERING_CLOSE = 3, 2622 WLAN_SP_MGK_INFORM = 4, 2623 WLAN_SP_MGK_ACK = 5, 2624 }; 2625 2626 /* Mesh action codes */ 2627 enum ieee80211_mesh_actioncode { 2628 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2629 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2630 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2631 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2632 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2633 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2634 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2635 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2636 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2637 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2638 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2639 }; 2640 2641 /* Security key length */ 2642 enum ieee80211_key_len { 2643 WLAN_KEY_LEN_WEP40 = 5, 2644 WLAN_KEY_LEN_WEP104 = 13, 2645 WLAN_KEY_LEN_CCMP = 16, 2646 WLAN_KEY_LEN_CCMP_256 = 32, 2647 WLAN_KEY_LEN_TKIP = 32, 2648 WLAN_KEY_LEN_AES_CMAC = 16, 2649 WLAN_KEY_LEN_SMS4 = 32, 2650 WLAN_KEY_LEN_GCMP = 16, 2651 WLAN_KEY_LEN_GCMP_256 = 32, 2652 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2653 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2654 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2655 }; 2656 2657 #define IEEE80211_WEP_IV_LEN 4 2658 #define IEEE80211_WEP_ICV_LEN 4 2659 #define IEEE80211_CCMP_HDR_LEN 8 2660 #define IEEE80211_CCMP_MIC_LEN 8 2661 #define IEEE80211_CCMP_PN_LEN 6 2662 #define IEEE80211_CCMP_256_HDR_LEN 8 2663 #define IEEE80211_CCMP_256_MIC_LEN 16 2664 #define IEEE80211_CCMP_256_PN_LEN 6 2665 #define IEEE80211_TKIP_IV_LEN 8 2666 #define IEEE80211_TKIP_ICV_LEN 4 2667 #define IEEE80211_CMAC_PN_LEN 6 2668 #define IEEE80211_GMAC_PN_LEN 6 2669 #define IEEE80211_GCMP_HDR_LEN 8 2670 #define IEEE80211_GCMP_MIC_LEN 16 2671 #define IEEE80211_GCMP_PN_LEN 6 2672 2673 #define FILS_NONCE_LEN 16 2674 #define FILS_MAX_KEK_LEN 64 2675 2676 #define FILS_ERP_MAX_USERNAME_LEN 16 2677 #define FILS_ERP_MAX_REALM_LEN 253 2678 #define FILS_ERP_MAX_RRK_LEN 64 2679 2680 #define PMK_MAX_LEN 64 2681 #define SAE_PASSWORD_MAX_LEN 128 2682 2683 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ 2684 enum ieee80211_pub_actioncode { 2685 WLAN_PUB_ACTION_20_40_BSS_COEX = 0, 2686 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, 2687 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, 2688 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, 2689 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2690 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, 2691 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, 2692 WLAN_PUB_ACTION_MSMT_PILOT = 7, 2693 WLAN_PUB_ACTION_DSE_PC = 8, 2694 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, 2695 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, 2696 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, 2697 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, 2698 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, 2699 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2700 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, 2701 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, 2702 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, 2703 WLAN_PUB_ACTION_QMF_POLICY = 18, 2704 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, 2705 WLAN_PUB_ACTION_QLOAD_REQUEST = 20, 2706 WLAN_PUB_ACTION_QLOAD_REPORT = 21, 2707 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, 2708 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, 2709 WLAN_PUB_ACTION_PUBLIC_KEY = 24, 2710 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, 2711 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, 2712 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, 2713 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, 2714 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, 2715 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, 2716 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, 2717 WLAN_PUB_ACTION_FTM_REQUEST = 32, 2718 WLAN_PUB_ACTION_FTM = 33, 2719 WLAN_PUB_ACTION_FILS_DISCOVERY = 34, 2720 }; 2721 2722 /* TDLS action codes */ 2723 enum ieee80211_tdls_actioncode { 2724 WLAN_TDLS_SETUP_REQUEST = 0, 2725 WLAN_TDLS_SETUP_RESPONSE = 1, 2726 WLAN_TDLS_SETUP_CONFIRM = 2, 2727 WLAN_TDLS_TEARDOWN = 3, 2728 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 2729 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 2730 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 2731 WLAN_TDLS_PEER_PSM_REQUEST = 7, 2732 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 2733 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 2734 WLAN_TDLS_DISCOVERY_REQUEST = 10, 2735 }; 2736 2737 /* Extended Channel Switching capability to be set in the 1st byte of 2738 * the @WLAN_EID_EXT_CAPABILITY information element 2739 */ 2740 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 2741 2742 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the 2743 * @WLAN_EID_EXT_CAPABILITY information element 2744 */ 2745 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) 2746 2747 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 2748 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 2749 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 2750 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 2751 2752 /* Interworking capabilities are set in 7th bit of 4th byte of the 2753 * @WLAN_EID_EXT_CAPABILITY information element 2754 */ 2755 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 2756 2757 /* 2758 * TDLS capabililites to be enabled in the 5th byte of the 2759 * @WLAN_EID_EXT_CAPABILITY information element 2760 */ 2761 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 2762 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 2763 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 2764 2765 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 2766 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 2767 2768 /* Defines the maximal number of MSDUs in an A-MSDU. */ 2769 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 2770 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 2771 2772 /* 2773 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 2774 * information element 2775 */ 2776 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 2777 2778 /* Defines support for TWT Requester and TWT Responder */ 2779 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) 2780 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) 2781 2782 /* 2783 * When set, indicates that the AP is able to tolerate 26-tone RU UL 2784 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the 2785 * 26-tone RU UL OFDMA transmissions as radar pulses). 2786 */ 2787 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) 2788 2789 /* Defines support for enhanced multi-bssid advertisement*/ 2790 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1) 2791 2792 /* TDLS specific payload type in the LLC/SNAP header */ 2793 #define WLAN_TDLS_SNAP_RFTYPE 0x2 2794 2795 /* BSS Coex IE information field bits */ 2796 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 2797 2798 /** 2799 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier 2800 * 2801 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 2802 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 2803 * that will be specified in a vendor specific information element 2804 */ 2805 enum ieee80211_mesh_sync_method { 2806 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 2807 IEEE80211_SYNC_METHOD_VENDOR = 255, 2808 }; 2809 2810 /** 2811 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier 2812 * 2813 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 2814 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 2815 * be specified in a vendor specific information element 2816 */ 2817 enum ieee80211_mesh_path_protocol { 2818 IEEE80211_PATH_PROTOCOL_HWMP = 1, 2819 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 2820 }; 2821 2822 /** 2823 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier 2824 * 2825 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 2826 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 2827 * specified in a vendor specific information element 2828 */ 2829 enum ieee80211_mesh_path_metric { 2830 IEEE80211_PATH_METRIC_AIRTIME = 1, 2831 IEEE80211_PATH_METRIC_VENDOR = 255, 2832 }; 2833 2834 /** 2835 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 2836 * 2837 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 2838 * 2839 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 2840 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 2841 * this value 2842 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 2843 * the proactive PREQ with proactive PREP subfield set to 0 2844 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 2845 * supports the proactive PREQ with proactive PREP subfield set to 1 2846 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 2847 * the proactive RANN 2848 */ 2849 enum ieee80211_root_mode_identifier { 2850 IEEE80211_ROOTMODE_NO_ROOT = 0, 2851 IEEE80211_ROOTMODE_ROOT = 1, 2852 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 2853 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 2854 IEEE80211_PROACTIVE_RANN = 4, 2855 }; 2856 2857 /* 2858 * IEEE 802.11-2007 7.3.2.9 Country information element 2859 * 2860 * Minimum length is 8 octets, ie len must be evenly 2861 * divisible by 2 2862 */ 2863 2864 /* Although the spec says 8 I'm seeing 6 in practice */ 2865 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 2866 2867 /* The Country String field of the element shall be 3 octets in length */ 2868 #define IEEE80211_COUNTRY_STRING_LEN 3 2869 2870 /* 2871 * For regulatory extension stuff see IEEE 802.11-2007 2872 * Annex I (page 1141) and Annex J (page 1147). Also 2873 * review 7.3.2.9. 2874 * 2875 * When dot11RegulatoryClassesRequired is true and the 2876 * first_channel/reg_extension_id is >= 201 then the IE 2877 * compromises of the 'ext' struct represented below: 2878 * 2879 * - Regulatory extension ID - when generating IE this just needs 2880 * to be monotonically increasing for each triplet passed in 2881 * the IE 2882 * - Regulatory class - index into set of rules 2883 * - Coverage class - index into air propagation time (Table 7-27), 2884 * in microseconds, you can compute the air propagation time from 2885 * the index by multiplying by 3, so index 10 yields a propagation 2886 * of 10 us. Valid values are 0-31, values 32-255 are not defined 2887 * yet. A value of 0 inicates air propagation of <= 1 us. 2888 * 2889 * See also Table I.2 for Emission limit sets and table 2890 * I.3 for Behavior limit sets. Table J.1 indicates how to map 2891 * a reg_class to an emission limit set and behavior limit set. 2892 */ 2893 #define IEEE80211_COUNTRY_EXTENSION_ID 201 2894 2895 /* 2896 * Channels numbers in the IE must be monotonically increasing 2897 * if dot11RegulatoryClassesRequired is not true. 2898 * 2899 * If dot11RegulatoryClassesRequired is true consecutive 2900 * subband triplets following a regulatory triplet shall 2901 * have monotonically increasing first_channel number fields. 2902 * 2903 * Channel numbers shall not overlap. 2904 * 2905 * Note that max_power is signed. 2906 */ 2907 struct ieee80211_country_ie_triplet { 2908 union { 2909 struct { 2910 u8 first_channel; 2911 u8 num_channels; 2912 s8 max_power; 2913 } __packed chans; 2914 struct { 2915 u8 reg_extension_id; 2916 u8 reg_class; 2917 u8 coverage_class; 2918 } __packed ext; 2919 }; 2920 } __packed; 2921 2922 enum ieee80211_timeout_interval_type { 2923 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2924 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2925 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2926 }; 2927 2928 /** 2929 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2930 * @type: type, see &enum ieee80211_timeout_interval_type 2931 * @value: timeout interval value 2932 */ 2933 struct ieee80211_timeout_interval_ie { 2934 u8 type; 2935 __le32 value; 2936 } __packed; 2937 2938 /** 2939 * enum ieee80211_idle_options - BSS idle options 2940 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN 2941 * protected frame to the AP to reset the idle timer at the AP for 2942 * the station. 2943 */ 2944 enum ieee80211_idle_options { 2945 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), 2946 }; 2947 2948 /** 2949 * struct ieee80211_bss_max_idle_period_ie 2950 * 2951 * This structure refers to "BSS Max idle period element" 2952 * 2953 * @max_idle_period: indicates the time period during which a station can 2954 * refrain from transmitting frames to its associated AP without being 2955 * disassociated. In units of 1000 TUs. 2956 * @idle_options: indicates the options associated with the BSS idle capability 2957 * as specified in &enum ieee80211_idle_options. 2958 */ 2959 struct ieee80211_bss_max_idle_period_ie { 2960 __le16 max_idle_period; 2961 u8 idle_options; 2962 } __packed; 2963 2964 /* BACK action code */ 2965 enum ieee80211_back_actioncode { 2966 WLAN_ACTION_ADDBA_REQ = 0, 2967 WLAN_ACTION_ADDBA_RESP = 1, 2968 WLAN_ACTION_DELBA = 2, 2969 }; 2970 2971 /* BACK (block-ack) parties */ 2972 enum ieee80211_back_parties { 2973 WLAN_BACK_RECIPIENT = 0, 2974 WLAN_BACK_INITIATOR = 1, 2975 }; 2976 2977 /* SA Query action */ 2978 enum ieee80211_sa_query_action { 2979 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2980 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2981 }; 2982 2983 /** 2984 * struct ieee80211_bssid_index 2985 * 2986 * This structure refers to "Multiple BSSID-index element" 2987 * 2988 * @bssid_index: BSSID index 2989 * @dtim_period: optional, overrides transmitted BSS dtim period 2990 * @dtim_count: optional, overrides transmitted BSS dtim count 2991 */ 2992 struct ieee80211_bssid_index { 2993 u8 bssid_index; 2994 u8 dtim_period; 2995 u8 dtim_count; 2996 }; 2997 2998 /** 2999 * struct ieee80211_multiple_bssid_configuration 3000 * 3001 * This structure refers to "Multiple BSSID Configuration element" 3002 * 3003 * @bssid_count: total number of active BSSIDs in the set 3004 * @profile_periodicity: the least number of beacon frames need to be received 3005 * in order to discover all the nontransmitted BSSIDs in the set. 3006 */ 3007 struct ieee80211_multiple_bssid_configuration { 3008 u8 bssid_count; 3009 u8 profile_periodicity; 3010 }; 3011 3012 #define SUITE(oui, id) (((oui) << 8) | (id)) 3013 3014 /* cipher suite selectors */ 3015 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 3016 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 3017 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 3018 /* reserved: SUITE(0x000FAC, 3) */ 3019 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 3020 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 3021 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 3022 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 3023 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 3024 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 3025 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 3026 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 3027 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 3028 3029 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 3030 3031 /* AKM suite selectors */ 3032 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 3033 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 3034 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) 3035 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) 3036 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 3037 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 3038 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 3039 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 3040 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 3041 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) 3042 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) 3043 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) 3044 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) 3045 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) 3046 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) 3047 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18) 3048 3049 #define WLAN_MAX_KEY_LEN 32 3050 3051 #define WLAN_PMK_NAME_LEN 16 3052 #define WLAN_PMKID_LEN 16 3053 #define WLAN_PMK_LEN_EAP_LEAP 16 3054 #define WLAN_PMK_LEN 32 3055 #define WLAN_PMK_LEN_SUITE_B_192 48 3056 3057 #define WLAN_OUI_WFA 0x506f9a 3058 #define WLAN_OUI_TYPE_WFA_P2P 9 3059 #define WLAN_OUI_MICROSOFT 0x0050f2 3060 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 3061 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 3062 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 3063 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 3064 3065 /* 3066 * WMM/802.11e Tspec Element 3067 */ 3068 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 3069 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 3070 3071 enum ieee80211_tspec_status_code { 3072 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 3073 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 3074 }; 3075 3076 struct ieee80211_tspec_ie { 3077 u8 element_id; 3078 u8 len; 3079 u8 oui[3]; 3080 u8 oui_type; 3081 u8 oui_subtype; 3082 u8 version; 3083 __le16 tsinfo; 3084 u8 tsinfo_resvd; 3085 __le16 nominal_msdu; 3086 __le16 max_msdu; 3087 __le32 min_service_int; 3088 __le32 max_service_int; 3089 __le32 inactivity_int; 3090 __le32 suspension_int; 3091 __le32 service_start_time; 3092 __le32 min_data_rate; 3093 __le32 mean_data_rate; 3094 __le32 peak_data_rate; 3095 __le32 max_burst_size; 3096 __le32 delay_bound; 3097 __le32 min_phy_rate; 3098 __le16 sba; 3099 __le16 medium_time; 3100 } __packed; 3101 3102 /** 3103 * ieee80211_get_qos_ctl - get pointer to qos control bytes 3104 * @hdr: the frame 3105 * 3106 * The qos ctrl bytes come after the frame_control, duration, seq_num 3107 * and 3 or 4 addresses of length ETH_ALEN. 3108 * 3 addr: 2 + 2 + 2 + 3*6 = 24 3109 * 4 addr: 2 + 2 + 2 + 4*6 = 30 3110 */ 3111 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 3112 { 3113 if (ieee80211_has_a4(hdr->frame_control)) 3114 return (u8 *)hdr + 30; 3115 else 3116 return (u8 *)hdr + 24; 3117 } 3118 3119 /** 3120 * ieee80211_get_tid - get qos TID 3121 * @hdr: the frame 3122 */ 3123 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) 3124 { 3125 u8 *qc = ieee80211_get_qos_ctl(hdr); 3126 3127 return qc[0] & IEEE80211_QOS_CTL_TID_MASK; 3128 } 3129 3130 /** 3131 * ieee80211_get_SA - get pointer to SA 3132 * @hdr: the frame 3133 * 3134 * Given an 802.11 frame, this function returns the offset 3135 * to the source address (SA). It does not verify that the 3136 * header is long enough to contain the address, and the 3137 * header must be long enough to contain the frame control 3138 * field. 3139 */ 3140 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 3141 { 3142 if (ieee80211_has_a4(hdr->frame_control)) 3143 return hdr->addr4; 3144 if (ieee80211_has_fromds(hdr->frame_control)) 3145 return hdr->addr3; 3146 return hdr->addr2; 3147 } 3148 3149 /** 3150 * ieee80211_get_DA - get pointer to DA 3151 * @hdr: the frame 3152 * 3153 * Given an 802.11 frame, this function returns the offset 3154 * to the destination address (DA). It does not verify that 3155 * the header is long enough to contain the address, and the 3156 * header must be long enough to contain the frame control 3157 * field. 3158 */ 3159 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 3160 { 3161 if (ieee80211_has_tods(hdr->frame_control)) 3162 return hdr->addr3; 3163 else 3164 return hdr->addr1; 3165 } 3166 3167 /** 3168 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 3169 * @hdr: the frame (buffer must include at least the first octet of payload) 3170 */ 3171 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 3172 { 3173 if (ieee80211_is_disassoc(hdr->frame_control) || 3174 ieee80211_is_deauth(hdr->frame_control)) 3175 return true; 3176 3177 if (ieee80211_is_action(hdr->frame_control)) { 3178 u8 *category; 3179 3180 /* 3181 * Action frames, excluding Public Action frames, are Robust 3182 * Management Frames. However, if we are looking at a Protected 3183 * frame, skip the check since the data may be encrypted and 3184 * the frame has already been found to be a Robust Management 3185 * Frame (by the other end). 3186 */ 3187 if (ieee80211_has_protected(hdr->frame_control)) 3188 return true; 3189 category = ((u8 *) hdr) + 24; 3190 return *category != WLAN_CATEGORY_PUBLIC && 3191 *category != WLAN_CATEGORY_HT && 3192 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 3193 *category != WLAN_CATEGORY_SELF_PROTECTED && 3194 *category != WLAN_CATEGORY_UNPROT_DMG && 3195 *category != WLAN_CATEGORY_VHT && 3196 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 3197 } 3198 3199 return false; 3200 } 3201 3202 /** 3203 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 3204 * @skb: the skb containing the frame, length will be checked 3205 */ 3206 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 3207 { 3208 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3209 return false; 3210 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 3211 } 3212 3213 /** 3214 * ieee80211_is_public_action - check if frame is a public action frame 3215 * @hdr: the frame 3216 * @len: length of the frame 3217 */ 3218 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 3219 size_t len) 3220 { 3221 struct ieee80211_mgmt *mgmt = (void *)hdr; 3222 3223 if (len < IEEE80211_MIN_ACTION_SIZE) 3224 return false; 3225 if (!ieee80211_is_action(hdr->frame_control)) 3226 return false; 3227 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 3228 } 3229 3230 /** 3231 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 3232 * privacy action frame 3233 * @hdr: the frame 3234 */ 3235 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 3236 { 3237 struct ieee80211_mgmt *mgmt = (void *)hdr; 3238 3239 if (!ieee80211_is_action(hdr->frame_control) || 3240 !is_multicast_ether_addr(hdr->addr1)) 3241 return false; 3242 3243 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 3244 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 3245 } 3246 3247 /** 3248 * ieee80211_is_group_privacy_action - check if frame is a group addressed 3249 * privacy action frame 3250 * @skb: the skb containing the frame, length will be checked 3251 */ 3252 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 3253 { 3254 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3255 return false; 3256 return _ieee80211_is_group_privacy_action((void *)skb->data); 3257 } 3258 3259 /** 3260 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 3261 * @tu: the TUs 3262 */ 3263 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 3264 { 3265 return 1024 * tu; 3266 } 3267 3268 /** 3269 * ieee80211_check_tim - check if AID bit is set in TIM 3270 * @tim: the TIM IE 3271 * @tim_len: length of the TIM IE 3272 * @aid: the AID to look for 3273 */ 3274 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 3275 u8 tim_len, u16 aid) 3276 { 3277 u8 mask; 3278 u8 index, indexn1, indexn2; 3279 3280 if (unlikely(!tim || tim_len < sizeof(*tim))) 3281 return false; 3282 3283 aid &= 0x3fff; 3284 index = aid / 8; 3285 mask = 1 << (aid & 7); 3286 3287 indexn1 = tim->bitmap_ctrl & 0xfe; 3288 indexn2 = tim_len + indexn1 - 4; 3289 3290 if (index < indexn1 || index > indexn2) 3291 return false; 3292 3293 index -= indexn1; 3294 3295 return !!(tim->virtual_map[index] & mask); 3296 } 3297 3298 /** 3299 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 3300 * @skb: the skb containing the frame, length will not be checked 3301 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 3302 * 3303 * This function assumes the frame is a data frame, and that the network header 3304 * is in the correct place. 3305 */ 3306 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 3307 { 3308 if (!skb_is_nonlinear(skb) && 3309 skb->len > (skb_network_offset(skb) + 2)) { 3310 /* Point to where the indication of TDLS should start */ 3311 const u8 *tdls_data = skb_network_header(skb) - 2; 3312 3313 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 3314 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 3315 tdls_data[3] == WLAN_CATEGORY_TDLS) 3316 return tdls_data[4]; 3317 } 3318 3319 return -1; 3320 } 3321 3322 /* convert time units */ 3323 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 3324 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 3325 3326 /** 3327 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 3328 * @skb: the skb containing the frame, length will be checked 3329 * 3330 * This function checks if it's either TPC report action frame or Link 3331 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 3332 * and 8.5.7.5 accordingly. 3333 */ 3334 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 3335 { 3336 struct ieee80211_mgmt *mgmt = (void *)skb->data; 3337 3338 if (!ieee80211_is_action(mgmt->frame_control)) 3339 return false; 3340 3341 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 3342 sizeof(mgmt->u.action.u.tpc_report)) 3343 return false; 3344 3345 /* 3346 * TPC report - check that: 3347 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 3348 * spectrum management action = 3 (TPC/Link Measurement report) 3349 * TPC report EID = 35 3350 * TPC report element length = 2 3351 * 3352 * The spectrum management's tpc_report struct is used here both for 3353 * parsing tpc_report and radio measurement's link measurement report 3354 * frame, since the relevant part is identical in both frames. 3355 */ 3356 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 3357 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 3358 return false; 3359 3360 /* both spectrum mgmt and link measurement have same action code */ 3361 if (mgmt->u.action.u.tpc_report.action_code != 3362 WLAN_ACTION_SPCT_TPC_RPRT) 3363 return false; 3364 3365 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 3366 mgmt->u.action.u.tpc_report.tpc_elem_length != 3367 sizeof(struct ieee80211_tpc_report_ie)) 3368 return false; 3369 3370 return true; 3371 } 3372 3373 struct element { 3374 u8 id; 3375 u8 datalen; 3376 u8 data[]; 3377 } __packed; 3378 3379 /* element iteration helpers */ 3380 #define for_each_element(_elem, _data, _datalen) \ 3381 for (_elem = (const struct element *)(_data); \ 3382 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 3383 (int)sizeof(*_elem) && \ 3384 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 3385 (int)sizeof(*_elem) + _elem->datalen; \ 3386 _elem = (const struct element *)(_elem->data + _elem->datalen)) 3387 3388 #define for_each_element_id(element, _id, data, datalen) \ 3389 for_each_element(element, data, datalen) \ 3390 if (element->id == (_id)) 3391 3392 #define for_each_element_extid(element, extid, _data, _datalen) \ 3393 for_each_element(element, _data, _datalen) \ 3394 if (element->id == WLAN_EID_EXTENSION && \ 3395 element->datalen > 0 && \ 3396 element->data[0] == (extid)) 3397 3398 #define for_each_subelement(sub, element) \ 3399 for_each_element(sub, (element)->data, (element)->datalen) 3400 3401 #define for_each_subelement_id(sub, id, element) \ 3402 for_each_element_id(sub, id, (element)->data, (element)->datalen) 3403 3404 #define for_each_subelement_extid(sub, extid, element) \ 3405 for_each_element_extid(sub, extid, (element)->data, (element)->datalen) 3406 3407 /** 3408 * for_each_element_completed - determine if element parsing consumed all data 3409 * @element: element pointer after for_each_element() or friends 3410 * @data: same data pointer as passed to for_each_element() or friends 3411 * @datalen: same data length as passed to for_each_element() or friends 3412 * 3413 * This function returns %true if all the data was parsed or considered 3414 * while walking the elements. Only use this if your for_each_element() 3415 * loop cannot be broken out of, otherwise it always returns %false. 3416 * 3417 * If some data was malformed, this returns %false since the last parsed 3418 * element will not fill the whole remaining data. 3419 */ 3420 static inline bool for_each_element_completed(const struct element *element, 3421 const void *data, size_t datalen) 3422 { 3423 return (const u8 *)element == (const u8 *)data + datalen; 3424 } 3425 3426 /** 3427 * RSNX Capabilities: 3428 * bits 0-3: Field length (n-1) 3429 */ 3430 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4) 3431 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5) 3432 3433 #endif /* LINUX_IEEE80211_H */ 3434