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 * <[email protected]> 7 * Copyright (c) 2002-2003, Jouni Malinen <[email protected]> 8 * Copyright (c) 2005, Devicescape Software, Inc. 9 * Copyright (c) 2006, Michael Wu <[email protected]> 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_bufferable_mmpdu - check if frame is bufferable MMPDU 624 * @fc: frame control field in little-endian byteorder 625 */ 626 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) 627 { 628 /* IEEE 802.11-2012, definition of "bufferable management frame"; 629 * note that this ignores the IBSS special case. */ 630 return ieee80211_is_mgmt(fc) && 631 (ieee80211_is_action(fc) || 632 ieee80211_is_disassoc(fc) || 633 ieee80211_is_deauth(fc)); 634 } 635 636 /** 637 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 638 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 639 */ 640 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 641 { 642 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 643 } 644 645 /** 646 * ieee80211_is_frag - check if a frame is a fragment 647 * @hdr: 802.11 header of the frame 648 */ 649 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 650 { 651 return ieee80211_has_morefrags(hdr->frame_control) || 652 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 653 } 654 655 struct ieee80211s_hdr { 656 u8 flags; 657 u8 ttl; 658 __le32 seqnum; 659 u8 eaddr1[ETH_ALEN]; 660 u8 eaddr2[ETH_ALEN]; 661 } __packed __aligned(2); 662 663 /* Mesh flags */ 664 #define MESH_FLAGS_AE_A4 0x1 665 #define MESH_FLAGS_AE_A5_A6 0x2 666 #define MESH_FLAGS_AE 0x3 667 #define MESH_FLAGS_PS_DEEP 0x4 668 669 /** 670 * enum ieee80211_preq_flags - mesh PREQ element flags 671 * 672 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 673 */ 674 enum ieee80211_preq_flags { 675 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 676 }; 677 678 /** 679 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 680 * 681 * @IEEE80211_PREQ_TO_FLAG: target only subfield 682 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 683 */ 684 enum ieee80211_preq_target_flags { 685 IEEE80211_PREQ_TO_FLAG = 1<<0, 686 IEEE80211_PREQ_USN_FLAG = 1<<2, 687 }; 688 689 /** 690 * struct ieee80211_quiet_ie 691 * 692 * This structure refers to "Quiet information element" 693 */ 694 struct ieee80211_quiet_ie { 695 u8 count; 696 u8 period; 697 __le16 duration; 698 __le16 offset; 699 } __packed; 700 701 /** 702 * struct ieee80211_msrment_ie 703 * 704 * This structure refers to "Measurement Request/Report information element" 705 */ 706 struct ieee80211_msrment_ie { 707 u8 token; 708 u8 mode; 709 u8 type; 710 u8 request[0]; 711 } __packed; 712 713 /** 714 * struct ieee80211_channel_sw_ie 715 * 716 * This structure refers to "Channel Switch Announcement information element" 717 */ 718 struct ieee80211_channel_sw_ie { 719 u8 mode; 720 u8 new_ch_num; 721 u8 count; 722 } __packed; 723 724 /** 725 * struct ieee80211_ext_chansw_ie 726 * 727 * This structure represents the "Extended Channel Switch Announcement element" 728 */ 729 struct ieee80211_ext_chansw_ie { 730 u8 mode; 731 u8 new_operating_class; 732 u8 new_ch_num; 733 u8 count; 734 } __packed; 735 736 /** 737 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 738 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 739 * values here 740 * This structure represents the "Secondary Channel Offset element" 741 */ 742 struct ieee80211_sec_chan_offs_ie { 743 u8 sec_chan_offs; 744 } __packed; 745 746 /** 747 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 748 * 749 * This structure represents the "Mesh Channel Switch Paramters element" 750 */ 751 struct ieee80211_mesh_chansw_params_ie { 752 u8 mesh_ttl; 753 u8 mesh_flags; 754 __le16 mesh_reason; 755 __le16 mesh_pre_value; 756 } __packed; 757 758 /** 759 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 760 */ 761 struct ieee80211_wide_bw_chansw_ie { 762 u8 new_channel_width; 763 u8 new_center_freq_seg0, new_center_freq_seg1; 764 } __packed; 765 766 /** 767 * struct ieee80211_tim 768 * 769 * This structure refers to "Traffic Indication Map information element" 770 */ 771 struct ieee80211_tim_ie { 772 u8 dtim_count; 773 u8 dtim_period; 774 u8 bitmap_ctrl; 775 /* variable size: 1 - 251 bytes */ 776 u8 virtual_map[1]; 777 } __packed; 778 779 /** 780 * struct ieee80211_meshconf_ie 781 * 782 * This structure refers to "Mesh Configuration information element" 783 */ 784 struct ieee80211_meshconf_ie { 785 u8 meshconf_psel; 786 u8 meshconf_pmetric; 787 u8 meshconf_congest; 788 u8 meshconf_synch; 789 u8 meshconf_auth; 790 u8 meshconf_form; 791 u8 meshconf_cap; 792 } __packed; 793 794 /** 795 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 796 * 797 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 798 * additional mesh peerings with other mesh STAs 799 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 800 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 801 * is ongoing 802 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 803 * neighbors in deep sleep mode 804 */ 805 enum mesh_config_capab_flags { 806 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 807 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 808 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 809 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 810 }; 811 812 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1 813 814 /** 815 * mesh channel switch parameters element's flag indicator 816 * 817 */ 818 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 819 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 820 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 821 822 /** 823 * struct ieee80211_rann_ie 824 * 825 * This structure refers to "Root Announcement information element" 826 */ 827 struct ieee80211_rann_ie { 828 u8 rann_flags; 829 u8 rann_hopcount; 830 u8 rann_ttl; 831 u8 rann_addr[ETH_ALEN]; 832 __le32 rann_seq; 833 __le32 rann_interval; 834 __le32 rann_metric; 835 } __packed; 836 837 enum ieee80211_rann_flags { 838 RANN_FLAG_IS_GATE = 1 << 0, 839 }; 840 841 enum ieee80211_ht_chanwidth_values { 842 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 843 IEEE80211_HT_CHANWIDTH_ANY = 1, 844 }; 845 846 /** 847 * enum ieee80211_opmode_bits - VHT operating mode field bits 848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 854 * (the NSS value is the value of this field + 1) 855 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 857 * using a beamforming steering matrix 858 */ 859 enum ieee80211_vht_opmode_bits { 860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 862 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 865 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 866 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 867 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 868 }; 869 870 #define WLAN_SA_QUERY_TR_ID_LEN 2 871 #define WLAN_MEMBERSHIP_LEN 8 872 #define WLAN_USER_POSITION_LEN 16 873 874 /** 875 * struct ieee80211_tpc_report_ie 876 * 877 * This structure refers to "TPC Report element" 878 */ 879 struct ieee80211_tpc_report_ie { 880 u8 tx_power; 881 u8 link_margin; 882 } __packed; 883 884 struct ieee80211_mgmt { 885 __le16 frame_control; 886 __le16 duration; 887 u8 da[ETH_ALEN]; 888 u8 sa[ETH_ALEN]; 889 u8 bssid[ETH_ALEN]; 890 __le16 seq_ctrl; 891 union { 892 struct { 893 __le16 auth_alg; 894 __le16 auth_transaction; 895 __le16 status_code; 896 /* possibly followed by Challenge text */ 897 u8 variable[0]; 898 } __packed auth; 899 struct { 900 __le16 reason_code; 901 } __packed deauth; 902 struct { 903 __le16 capab_info; 904 __le16 listen_interval; 905 /* followed by SSID and Supported rates */ 906 u8 variable[0]; 907 } __packed assoc_req; 908 struct { 909 __le16 capab_info; 910 __le16 status_code; 911 __le16 aid; 912 /* followed by Supported rates */ 913 u8 variable[0]; 914 } __packed assoc_resp, reassoc_resp; 915 struct { 916 __le16 capab_info; 917 __le16 listen_interval; 918 u8 current_ap[ETH_ALEN]; 919 /* followed by SSID and Supported rates */ 920 u8 variable[0]; 921 } __packed reassoc_req; 922 struct { 923 __le16 reason_code; 924 } __packed disassoc; 925 struct { 926 __le64 timestamp; 927 __le16 beacon_int; 928 __le16 capab_info; 929 /* followed by some of SSID, Supported rates, 930 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 931 u8 variable[0]; 932 } __packed beacon; 933 struct { 934 /* only variable items: SSID, Supported rates */ 935 u8 variable[0]; 936 } __packed probe_req; 937 struct { 938 __le64 timestamp; 939 __le16 beacon_int; 940 __le16 capab_info; 941 /* followed by some of SSID, Supported rates, 942 * FH Params, DS Params, CF Params, IBSS Params */ 943 u8 variable[0]; 944 } __packed probe_resp; 945 struct { 946 u8 category; 947 union { 948 struct { 949 u8 action_code; 950 u8 dialog_token; 951 u8 status_code; 952 u8 variable[0]; 953 } __packed wme_action; 954 struct{ 955 u8 action_code; 956 u8 variable[0]; 957 } __packed chan_switch; 958 struct{ 959 u8 action_code; 960 struct ieee80211_ext_chansw_ie data; 961 u8 variable[0]; 962 } __packed ext_chan_switch; 963 struct{ 964 u8 action_code; 965 u8 dialog_token; 966 u8 element_id; 967 u8 length; 968 struct ieee80211_msrment_ie msr_elem; 969 } __packed measurement; 970 struct{ 971 u8 action_code; 972 u8 dialog_token; 973 __le16 capab; 974 __le16 timeout; 975 __le16 start_seq_num; 976 } __packed addba_req; 977 struct{ 978 u8 action_code; 979 u8 dialog_token; 980 __le16 status; 981 __le16 capab; 982 __le16 timeout; 983 } __packed addba_resp; 984 struct{ 985 u8 action_code; 986 __le16 params; 987 __le16 reason_code; 988 } __packed delba; 989 struct { 990 u8 action_code; 991 u8 variable[0]; 992 } __packed self_prot; 993 struct{ 994 u8 action_code; 995 u8 variable[0]; 996 } __packed mesh_action; 997 struct { 998 u8 action; 999 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1000 } __packed sa_query; 1001 struct { 1002 u8 action; 1003 u8 smps_control; 1004 } __packed ht_smps; 1005 struct { 1006 u8 action_code; 1007 u8 chanwidth; 1008 } __packed ht_notify_cw; 1009 struct { 1010 u8 action_code; 1011 u8 dialog_token; 1012 __le16 capability; 1013 u8 variable[0]; 1014 } __packed tdls_discover_resp; 1015 struct { 1016 u8 action_code; 1017 u8 operating_mode; 1018 } __packed vht_opmode_notif; 1019 struct { 1020 u8 action_code; 1021 u8 membership[WLAN_MEMBERSHIP_LEN]; 1022 u8 position[WLAN_USER_POSITION_LEN]; 1023 } __packed vht_group_notif; 1024 struct { 1025 u8 action_code; 1026 u8 dialog_token; 1027 u8 tpc_elem_id; 1028 u8 tpc_elem_length; 1029 struct ieee80211_tpc_report_ie tpc; 1030 } __packed tpc_report; 1031 struct { 1032 u8 action_code; 1033 u8 dialog_token; 1034 u8 follow_up; 1035 u8 tod[6]; 1036 u8 toa[6]; 1037 __le16 tod_error; 1038 __le16 toa_error; 1039 u8 variable[0]; 1040 } __packed ftm; 1041 } u; 1042 } __packed action; 1043 } u; 1044 } __packed __aligned(2); 1045 1046 /* Supported rates membership selectors */ 1047 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1048 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1049 1050 /* mgmt header + 1 byte category code */ 1051 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1052 1053 1054 /* Management MIC information element (IEEE 802.11w) */ 1055 struct ieee80211_mmie { 1056 u8 element_id; 1057 u8 length; 1058 __le16 key_id; 1059 u8 sequence_number[6]; 1060 u8 mic[8]; 1061 } __packed; 1062 1063 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1064 struct ieee80211_mmie_16 { 1065 u8 element_id; 1066 u8 length; 1067 __le16 key_id; 1068 u8 sequence_number[6]; 1069 u8 mic[16]; 1070 } __packed; 1071 1072 struct ieee80211_vendor_ie { 1073 u8 element_id; 1074 u8 len; 1075 u8 oui[3]; 1076 u8 oui_type; 1077 } __packed; 1078 1079 struct ieee80211_wmm_ac_param { 1080 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1081 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1082 __le16 txop_limit; 1083 } __packed; 1084 1085 struct ieee80211_wmm_param_ie { 1086 u8 element_id; /* Element ID: 221 (0xdd); */ 1087 u8 len; /* Length: 24 */ 1088 /* required fields for WMM version 1 */ 1089 u8 oui[3]; /* 00:50:f2 */ 1090 u8 oui_type; /* 2 */ 1091 u8 oui_subtype; /* 1 */ 1092 u8 version; /* 1 for WMM version 1.0 */ 1093 u8 qos_info; /* AP/STA specific QoS info */ 1094 u8 reserved; /* 0 */ 1095 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1096 struct ieee80211_wmm_ac_param ac[4]; 1097 } __packed; 1098 1099 /* Control frames */ 1100 struct ieee80211_rts { 1101 __le16 frame_control; 1102 __le16 duration; 1103 u8 ra[ETH_ALEN]; 1104 u8 ta[ETH_ALEN]; 1105 } __packed __aligned(2); 1106 1107 struct ieee80211_cts { 1108 __le16 frame_control; 1109 __le16 duration; 1110 u8 ra[ETH_ALEN]; 1111 } __packed __aligned(2); 1112 1113 struct ieee80211_pspoll { 1114 __le16 frame_control; 1115 __le16 aid; 1116 u8 bssid[ETH_ALEN]; 1117 u8 ta[ETH_ALEN]; 1118 } __packed __aligned(2); 1119 1120 /* TDLS */ 1121 1122 /* Channel switch timing */ 1123 struct ieee80211_ch_switch_timing { 1124 __le16 switch_time; 1125 __le16 switch_timeout; 1126 } __packed; 1127 1128 /* Link-id information element */ 1129 struct ieee80211_tdls_lnkie { 1130 u8 ie_type; /* Link Identifier IE */ 1131 u8 ie_len; 1132 u8 bssid[ETH_ALEN]; 1133 u8 init_sta[ETH_ALEN]; 1134 u8 resp_sta[ETH_ALEN]; 1135 } __packed; 1136 1137 struct ieee80211_tdls_data { 1138 u8 da[ETH_ALEN]; 1139 u8 sa[ETH_ALEN]; 1140 __be16 ether_type; 1141 u8 payload_type; 1142 u8 category; 1143 u8 action_code; 1144 union { 1145 struct { 1146 u8 dialog_token; 1147 __le16 capability; 1148 u8 variable[0]; 1149 } __packed setup_req; 1150 struct { 1151 __le16 status_code; 1152 u8 dialog_token; 1153 __le16 capability; 1154 u8 variable[0]; 1155 } __packed setup_resp; 1156 struct { 1157 __le16 status_code; 1158 u8 dialog_token; 1159 u8 variable[0]; 1160 } __packed setup_cfm; 1161 struct { 1162 __le16 reason_code; 1163 u8 variable[0]; 1164 } __packed teardown; 1165 struct { 1166 u8 dialog_token; 1167 u8 variable[0]; 1168 } __packed discover_req; 1169 struct { 1170 u8 target_channel; 1171 u8 oper_class; 1172 u8 variable[0]; 1173 } __packed chan_switch_req; 1174 struct { 1175 __le16 status_code; 1176 u8 variable[0]; 1177 } __packed chan_switch_resp; 1178 } u; 1179 } __packed; 1180 1181 /* 1182 * Peer-to-Peer IE attribute related definitions. 1183 */ 1184 /** 1185 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1186 */ 1187 enum ieee80211_p2p_attr_id { 1188 IEEE80211_P2P_ATTR_STATUS = 0, 1189 IEEE80211_P2P_ATTR_MINOR_REASON, 1190 IEEE80211_P2P_ATTR_CAPABILITY, 1191 IEEE80211_P2P_ATTR_DEVICE_ID, 1192 IEEE80211_P2P_ATTR_GO_INTENT, 1193 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1194 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1195 IEEE80211_P2P_ATTR_GROUP_BSSID, 1196 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1197 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1198 IEEE80211_P2P_ATTR_MANAGABILITY, 1199 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1200 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1201 IEEE80211_P2P_ATTR_DEVICE_INFO, 1202 IEEE80211_P2P_ATTR_GROUP_INFO, 1203 IEEE80211_P2P_ATTR_GROUP_ID, 1204 IEEE80211_P2P_ATTR_INTERFACE, 1205 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1206 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1207 /* 19 - 220: Reserved */ 1208 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1209 1210 IEEE80211_P2P_ATTR_MAX 1211 }; 1212 1213 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1214 /* Typical max value used here */ 1215 #define IEEE80211_P2P_NOA_DESC_MAX 4 1216 1217 struct ieee80211_p2p_noa_desc { 1218 u8 count; 1219 __le32 duration; 1220 __le32 interval; 1221 __le32 start_time; 1222 } __packed; 1223 1224 struct ieee80211_p2p_noa_attr { 1225 u8 index; 1226 u8 oppps_ctwindow; 1227 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1228 } __packed; 1229 1230 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1231 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1232 1233 /** 1234 * struct ieee80211_bar - HT Block Ack Request 1235 * 1236 * This structure refers to "HT BlockAckReq" as 1237 * described in 802.11n draft section 7.2.1.7.1 1238 */ 1239 struct ieee80211_bar { 1240 __le16 frame_control; 1241 __le16 duration; 1242 __u8 ra[ETH_ALEN]; 1243 __u8 ta[ETH_ALEN]; 1244 __le16 control; 1245 __le16 start_seq_num; 1246 } __packed; 1247 1248 /* 802.11 BAR control masks */ 1249 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1250 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1251 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1252 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1253 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1254 1255 #define IEEE80211_HT_MCS_MASK_LEN 10 1256 1257 /** 1258 * struct ieee80211_mcs_info - MCS information 1259 * @rx_mask: RX mask 1260 * @rx_highest: highest supported RX rate. If set represents 1261 * the highest supported RX data rate in units of 1 Mbps. 1262 * If this field is 0 this value should not be used to 1263 * consider the highest RX data rate supported. 1264 * @tx_params: TX parameters 1265 */ 1266 struct ieee80211_mcs_info { 1267 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1268 __le16 rx_highest; 1269 u8 tx_params; 1270 u8 reserved[3]; 1271 } __packed; 1272 1273 /* 802.11n HT capability MSC set */ 1274 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1275 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1276 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1277 /* value 0 == 1 stream etc */ 1278 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1279 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1280 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1281 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1282 1283 /* 1284 * 802.11n D5.0 20.3.5 / 20.6 says: 1285 * - indices 0 to 7 and 32 are single spatial stream 1286 * - 8 to 31 are multiple spatial streams using equal modulation 1287 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1288 * - remainder are multiple spatial streams using unequal modulation 1289 */ 1290 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1291 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1292 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1293 1294 /** 1295 * struct ieee80211_ht_cap - HT capabilities 1296 * 1297 * This structure is the "HT capabilities element" as 1298 * described in 802.11n D5.0 7.3.2.57 1299 */ 1300 struct ieee80211_ht_cap { 1301 __le16 cap_info; 1302 u8 ampdu_params_info; 1303 1304 /* 16 bytes MCS information */ 1305 struct ieee80211_mcs_info mcs; 1306 1307 __le16 extended_ht_cap_info; 1308 __le32 tx_BF_cap_info; 1309 u8 antenna_selection_info; 1310 } __packed; 1311 1312 /* 802.11n HT capabilities masks (for cap_info) */ 1313 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1314 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1315 #define IEEE80211_HT_CAP_SM_PS 0x000C 1316 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1317 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1318 #define IEEE80211_HT_CAP_SGI_20 0x0020 1319 #define IEEE80211_HT_CAP_SGI_40 0x0040 1320 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1321 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1322 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1323 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1324 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1325 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1326 #define IEEE80211_HT_CAP_RESERVED 0x2000 1327 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1328 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1329 1330 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1331 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1332 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1333 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1334 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1335 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1336 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1337 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1338 1339 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1340 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1341 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1342 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1343 1344 /* 1345 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1346 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1347 */ 1348 enum ieee80211_max_ampdu_length_exp { 1349 IEEE80211_HT_MAX_AMPDU_8K = 0, 1350 IEEE80211_HT_MAX_AMPDU_16K = 1, 1351 IEEE80211_HT_MAX_AMPDU_32K = 2, 1352 IEEE80211_HT_MAX_AMPDU_64K = 3 1353 }; 1354 1355 /* 1356 * Maximum length of AMPDU that the STA can receive in VHT. 1357 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1358 */ 1359 enum ieee80211_vht_max_ampdu_length_exp { 1360 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1361 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1362 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1363 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1364 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1365 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1366 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1367 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1368 }; 1369 1370 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1371 1372 /* Minimum MPDU start spacing */ 1373 enum ieee80211_min_mpdu_spacing { 1374 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1375 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1376 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1377 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1378 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1379 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1380 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1381 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1382 }; 1383 1384 /** 1385 * struct ieee80211_ht_operation - HT operation IE 1386 * 1387 * This structure is the "HT operation element" as 1388 * described in 802.11n-2009 7.3.2.57 1389 */ 1390 struct ieee80211_ht_operation { 1391 u8 primary_chan; 1392 u8 ht_param; 1393 __le16 operation_mode; 1394 __le16 stbc_param; 1395 u8 basic_set[16]; 1396 } __packed; 1397 1398 /* for ht_param */ 1399 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1400 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1401 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1402 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1403 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1404 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1405 1406 /* for operation_mode */ 1407 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1408 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1409 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1410 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1411 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1412 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1413 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1414 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5 1415 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0 1416 1417 /* for stbc_param */ 1418 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1419 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1420 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1421 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1422 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1423 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1424 1425 1426 /* block-ack parameters */ 1427 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1428 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1429 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1430 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1431 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1432 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1433 1434 /* 1435 * A-MPDU buffer sizes 1436 * According to HT size varies from 8 to 64 frames 1437 * HE adds the ability to have up to 256 frames. 1438 */ 1439 #define IEEE80211_MIN_AMPDU_BUF 0x8 1440 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 1441 #define IEEE80211_MAX_AMPDU_BUF 0x100 1442 1443 1444 /* Spatial Multiplexing Power Save Modes (for capability) */ 1445 #define WLAN_HT_CAP_SM_PS_STATIC 0 1446 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1447 #define WLAN_HT_CAP_SM_PS_INVALID 2 1448 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1449 1450 /* for SM power control field lower two bits */ 1451 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1452 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1453 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1454 1455 /** 1456 * struct ieee80211_vht_mcs_info - VHT MCS information 1457 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1458 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1459 * STA can receive. Rate expressed in units of 1 Mbps. 1460 * If this field is 0 this value should not be used to 1461 * consider the highest RX data rate supported. 1462 * The top 3 bits of this field indicate the Maximum NSTS,total 1463 * (a beamformee capability.) 1464 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1465 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1466 * STA can transmit. Rate expressed in units of 1 Mbps. 1467 * If this field is 0 this value should not be used to 1468 * consider the highest TX data rate supported. 1469 * The top 2 bits of this field are reserved, the 1470 * 3rd bit from the top indiciates VHT Extended NSS BW 1471 * Capability. 1472 */ 1473 struct ieee80211_vht_mcs_info { 1474 __le16 rx_mcs_map; 1475 __le16 rx_highest; 1476 __le16 tx_mcs_map; 1477 __le16 tx_highest; 1478 } __packed; 1479 1480 /* for rx_highest */ 1481 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13 1482 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT) 1483 1484 /* for tx_highest */ 1485 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) 1486 1487 /** 1488 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1489 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1490 * number of streams 1491 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1492 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1493 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1494 * 1495 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1496 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1497 * both split into 8 subfields by number of streams. These values indicate 1498 * which MCSes are supported for the number of streams the value appears 1499 * for. 1500 */ 1501 enum ieee80211_vht_mcs_support { 1502 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1503 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1504 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1505 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1506 }; 1507 1508 /** 1509 * struct ieee80211_vht_cap - VHT capabilities 1510 * 1511 * This structure is the "VHT capabilities element" as 1512 * described in 802.11ac D3.0 8.4.2.160 1513 * @vht_cap_info: VHT capability info 1514 * @supp_mcs: VHT MCS supported rates 1515 */ 1516 struct ieee80211_vht_cap { 1517 __le32 vht_cap_info; 1518 struct ieee80211_vht_mcs_info supp_mcs; 1519 } __packed; 1520 1521 /** 1522 * enum ieee80211_vht_chanwidth - VHT channel width 1523 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1524 * determine the channel width (20 or 40 MHz) 1525 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1526 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1527 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1528 */ 1529 enum ieee80211_vht_chanwidth { 1530 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1531 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1532 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1533 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1534 }; 1535 1536 /** 1537 * struct ieee80211_vht_operation - VHT operation IE 1538 * 1539 * This structure is the "VHT operation element" as 1540 * described in 802.11ac D3.0 8.4.2.161 1541 * @chan_width: Operating channel width 1542 * @center_freq_seg0_idx: center freq segment 0 index 1543 * @center_freq_seg1_idx: center freq segment 1 index 1544 * @basic_mcs_set: VHT Basic MCS rate set 1545 */ 1546 struct ieee80211_vht_operation { 1547 u8 chan_width; 1548 u8 center_freq_seg0_idx; 1549 u8 center_freq_seg1_idx; 1550 __le16 basic_mcs_set; 1551 } __packed; 1552 1553 /** 1554 * struct ieee80211_he_cap_elem - HE capabilities element 1555 * 1556 * This structure is the "HE capabilities element" fixed fields as 1557 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3 1558 */ 1559 struct ieee80211_he_cap_elem { 1560 u8 mac_cap_info[6]; 1561 u8 phy_cap_info[11]; 1562 } __packed; 1563 1564 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5 1565 1566 /** 1567 * enum ieee80211_he_mcs_support - HE MCS support definitions 1568 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1569 * number of streams 1570 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1571 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported 1572 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported 1573 * 1574 * These definitions are used in each 2-bit subfield of the rx_mcs_* 1575 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are 1576 * both split into 8 subfields by number of streams. These values indicate 1577 * which MCSes are supported for the number of streams the value appears 1578 * for. 1579 */ 1580 enum ieee80211_he_mcs_support { 1581 IEEE80211_HE_MCS_SUPPORT_0_7 = 0, 1582 IEEE80211_HE_MCS_SUPPORT_0_9 = 1, 1583 IEEE80211_HE_MCS_SUPPORT_0_11 = 2, 1584 IEEE80211_HE_MCS_NOT_SUPPORTED = 3, 1585 }; 1586 1587 /** 1588 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field 1589 * 1590 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field 1591 * described in P802.11ax_D2.0 section 9.4.2.237.4 1592 * 1593 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1594 * widths less than 80MHz. 1595 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1596 * widths less than 80MHz. 1597 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1598 * width 160MHz. 1599 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1600 * width 160MHz. 1601 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for 1602 * channel width 80p80MHz. 1603 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for 1604 * channel width 80p80MHz. 1605 */ 1606 struct ieee80211_he_mcs_nss_supp { 1607 __le16 rx_mcs_80; 1608 __le16 tx_mcs_80; 1609 __le16 rx_mcs_160; 1610 __le16 tx_mcs_160; 1611 __le16 rx_mcs_80p80; 1612 __le16 tx_mcs_80p80; 1613 } __packed; 1614 1615 /** 1616 * struct ieee80211_he_operation - HE capabilities element 1617 * 1618 * This structure is the "HE operation element" fields as 1619 * described in P802.11ax_D4.0 section 9.4.2.243 1620 */ 1621 struct ieee80211_he_operation { 1622 __le32 he_oper_params; 1623 __le16 he_mcs_nss_set; 1624 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */ 1625 u8 optional[0]; 1626 } __packed; 1627 1628 /** 1629 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field 1630 * 1631 * This structure is the "MU AC Parameter Record" fields as 1632 * described in P802.11ax_D4.0 section 9.4.2.245 1633 */ 1634 struct ieee80211_he_mu_edca_param_ac_rec { 1635 u8 aifsn; 1636 u8 ecw_min_max; 1637 u8 mu_edca_timer; 1638 } __packed; 1639 1640 /** 1641 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element 1642 * 1643 * This structure is the "MU EDCA Parameter Set element" fields as 1644 * described in P802.11ax_D4.0 section 9.4.2.245 1645 */ 1646 struct ieee80211_mu_edca_param_set { 1647 u8 mu_qos_info; 1648 struct ieee80211_he_mu_edca_param_ac_rec ac_be; 1649 struct ieee80211_he_mu_edca_param_ac_rec ac_bk; 1650 struct ieee80211_he_mu_edca_param_ac_rec ac_vi; 1651 struct ieee80211_he_mu_edca_param_ac_rec ac_vo; 1652 } __packed; 1653 1654 /* 802.11ac VHT Capabilities */ 1655 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1656 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1657 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1658 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1659 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1660 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1661 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1662 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2 1663 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1664 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1665 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1666 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1667 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1668 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1669 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1670 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1671 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1672 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8 1673 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1674 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1675 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1676 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1677 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1678 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1679 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1680 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1681 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1682 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1683 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1684 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1685 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1686 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1687 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1688 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1689 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1690 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1691 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1692 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30 1693 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000 1694 1695 /** 1696 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS 1697 * @cap: VHT capabilities of the peer 1698 * @bw: bandwidth to use 1699 * @mcs: MCS index to use 1700 * @ext_nss_bw_capable: indicates whether or not the local transmitter 1701 * (rate scaling algorithm) can deal with the new logic 1702 * (dot11VHTExtendedNSSBWCapable) 1703 * 1704 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can 1705 * vary for a given BW/MCS. This function parses the data. 1706 * 1707 * Note: This function is exported by cfg80211. 1708 */ 1709 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, 1710 enum ieee80211_vht_chanwidth bw, 1711 int mcs, bool ext_nss_bw_capable); 1712 1713 /* 802.11ax HE MAC capabilities */ 1714 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01 1715 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02 1716 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04 1717 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00 1718 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08 1719 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10 1720 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18 1721 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18 1722 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00 1723 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20 1724 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40 1725 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60 1726 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80 1727 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0 1728 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0 1729 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0 1730 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0 1731 1732 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00 1733 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01 1734 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02 1735 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03 1736 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03 1737 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00 1738 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04 1739 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08 1740 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c 1741 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00 1742 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10 1743 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20 1744 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30 1745 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40 1746 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50 1747 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60 1748 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70 1749 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70 1750 1751 /* Link adaptation is split between byte HE_MAC_CAP1 and 1752 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE 1753 * in which case the following values apply: 1754 * 0 = No feedback. 1755 * 1 = reserved. 1756 * 2 = Unsolicited feedback. 1757 * 3 = both 1758 */ 1759 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80 1760 1761 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01 1762 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02 1763 #define IEEE80211_HE_MAC_CAP2_TRS 0x04 1764 #define IEEE80211_HE_MAC_CAP2_BSR 0x08 1765 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10 1766 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20 1767 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40 1768 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80 1769 1770 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02 1771 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04 1772 1773 /* The maximum length of an A-MDPU is defined by the combination of the Maximum 1774 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the 1775 * same field in the HE capabilities. 1776 */ 1777 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00 1778 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08 1779 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10 1780 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18 1781 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18 1782 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20 1783 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40 1784 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80 1785 1786 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01 1787 #define IEEE80211_HE_MAC_CAP4_QTP 0x02 1788 #define IEEE80211_HE_MAC_CAP4_BQR 0x04 1789 #define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08 1790 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10 1791 #define IEEE80211_HE_MAC_CAP4_OPS 0x20 1792 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40 1793 /* Multi TID agg TX is split between byte #4 and #5 1794 * The value is a combination of B39,B40,B41 1795 */ 1796 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80 1797 1798 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01 1799 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02 1800 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04 1801 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08 1802 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10 1803 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20 1804 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40 1805 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80 1806 1807 /* 802.11ax HE PHY capabilities */ 1808 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02 1809 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04 1810 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08 1811 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10 1812 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20 1813 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40 1814 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe 1815 1816 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01 1817 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02 1818 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04 1819 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08 1820 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f 1821 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10 1822 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20 1823 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40 1824 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */ 1825 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80 1826 1827 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01 1828 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02 1829 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04 1830 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08 1831 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10 1832 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20 1833 1834 /* Note that the meaning of UL MU below is different between an AP and a non-AP 1835 * sta, where in the AP case it indicates support for Rx and in the non-AP sta 1836 * case it indicates support for Tx. 1837 */ 1838 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40 1839 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80 1840 1841 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00 1842 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01 1843 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02 1844 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03 1845 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03 1846 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00 1847 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04 1848 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00 1849 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08 1850 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10 1851 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18 1852 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18 1853 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00 1854 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20 1855 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40 1856 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80 1857 1858 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01 1859 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02 1860 1861 /* Minimal allowed value of Max STS under 80MHz is 3 */ 1862 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c 1863 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10 1864 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14 1865 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18 1866 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c 1867 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c 1868 1869 /* Minimal allowed value of Max STS above 80MHz is 3 */ 1870 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60 1871 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80 1872 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0 1873 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0 1874 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0 1875 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0 1876 1877 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00 1878 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01 1879 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02 1880 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03 1881 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04 1882 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05 1883 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06 1884 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07 1885 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07 1886 1887 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00 1888 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08 1889 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10 1890 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18 1891 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20 1892 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28 1893 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30 1894 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38 1895 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38 1896 1897 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40 1898 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80 1899 1900 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01 1901 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02 1902 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04 1903 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08 1904 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10 1905 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20 1906 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40 1907 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80 1908 1909 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01 1910 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02 1911 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04 1912 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08 1913 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10 1914 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18 1915 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20 1916 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28 1917 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30 1918 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38 1919 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38 1920 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40 1921 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80 1922 1923 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01 1924 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02 1925 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04 1926 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08 1927 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10 1928 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20 1929 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00 1930 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40 1931 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80 1932 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0 1933 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0 1934 1935 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01 1936 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02 1937 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04 1938 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08 1939 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10 1940 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20 1941 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00 1942 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40 1943 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80 1944 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0 1945 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0 1946 1947 /* 802.11ax HE TX/RX MCS NSS Support */ 1948 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) 1949 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6) 1950 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11) 1951 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0 1952 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800 1953 1954 /* TX/RX HE MCS Support field Highest MCS subfield encoding */ 1955 enum ieee80211_he_highest_mcs_supported_subfield_enc { 1956 HIGHEST_MCS_SUPPORTED_MCS7 = 0, 1957 HIGHEST_MCS_SUPPORTED_MCS8, 1958 HIGHEST_MCS_SUPPORTED_MCS9, 1959 HIGHEST_MCS_SUPPORTED_MCS10, 1960 HIGHEST_MCS_SUPPORTED_MCS11, 1961 }; 1962 1963 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */ 1964 static inline u8 1965 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap) 1966 { 1967 u8 count = 4; 1968 1969 if (he_cap->phy_cap_info[0] & 1970 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 1971 count += 4; 1972 1973 if (he_cap->phy_cap_info[0] & 1974 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 1975 count += 4; 1976 1977 return count; 1978 } 1979 1980 /* 802.11ax HE PPE Thresholds */ 1981 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1) 1982 #define IEEE80211_PPE_THRES_NSS_POS (0) 1983 #define IEEE80211_PPE_THRES_NSS_MASK (7) 1984 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \ 1985 (BIT(5) | BIT(6)) 1986 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78 1987 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3) 1988 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3) 1989 1990 /* 1991 * Calculate 802.11ax HE capabilities IE PPE field size 1992 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8* 1993 */ 1994 static inline u8 1995 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) 1996 { 1997 u8 n; 1998 1999 if ((phy_cap_info[6] & 2000 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0) 2001 return 0; 2002 2003 n = hweight8(ppe_thres_hdr & 2004 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2005 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >> 2006 IEEE80211_PPE_THRES_NSS_POS)); 2007 2008 /* 2009 * Each pair is 6 bits, and we need to add the 7 "header" bits to the 2010 * total size. 2011 */ 2012 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7; 2013 n = DIV_ROUND_UP(n, 8); 2014 2015 return n; 2016 } 2017 2018 /* HE Operation defines */ 2019 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000003 2020 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008 2021 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0 2022 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4 2023 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 2024 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000 2025 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 2026 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000 2027 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 2028 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 2029 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 2030 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 2031 2032 /* 2033 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size 2034 * @he_oper_ie: byte data of the He Operations IE, stating from the the byte 2035 * after the ext ID byte. It is assumed that he_oper_ie has at least 2036 * sizeof(struct ieee80211_he_operation) bytes, checked already in 2037 * ieee802_11_parse_elems_crc() 2038 * @return the actual size of the IE data (not including header), or 0 on error 2039 */ 2040 static inline u8 2041 ieee80211_he_oper_size(const u8 *he_oper_ie) 2042 { 2043 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie; 2044 u8 oper_len = sizeof(struct ieee80211_he_operation); 2045 u32 he_oper_params; 2046 2047 /* Make sure the input is not NULL */ 2048 if (!he_oper_ie) 2049 return 0; 2050 2051 /* Calc required length */ 2052 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2053 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2054 oper_len += 3; 2055 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS) 2056 oper_len++; 2057 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO) 2058 oper_len += 4; 2059 2060 /* Add the first byte (extension ID) to the total length */ 2061 oper_len++; 2062 2063 return oper_len; 2064 } 2065 2066 /* Authentication algorithms */ 2067 #define WLAN_AUTH_OPEN 0 2068 #define WLAN_AUTH_SHARED_KEY 1 2069 #define WLAN_AUTH_FT 2 2070 #define WLAN_AUTH_SAE 3 2071 #define WLAN_AUTH_FILS_SK 4 2072 #define WLAN_AUTH_FILS_SK_PFS 5 2073 #define WLAN_AUTH_FILS_PK 6 2074 #define WLAN_AUTH_LEAP 128 2075 2076 #define WLAN_AUTH_CHALLENGE_LEN 128 2077 2078 #define WLAN_CAPABILITY_ESS (1<<0) 2079 #define WLAN_CAPABILITY_IBSS (1<<1) 2080 2081 /* 2082 * A mesh STA sets the ESS and IBSS capability bits to zero. 2083 * however, this holds true for p2p probe responses (in the p2p_find 2084 * phase) as well. 2085 */ 2086 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 2087 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 2088 2089 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 2090 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 2091 #define WLAN_CAPABILITY_PRIVACY (1<<4) 2092 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 2093 #define WLAN_CAPABILITY_PBCC (1<<6) 2094 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 2095 2096 /* 802.11h */ 2097 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 2098 #define WLAN_CAPABILITY_QOS (1<<9) 2099 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 2100 #define WLAN_CAPABILITY_APSD (1<<11) 2101 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 2102 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 2103 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 2104 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 2105 2106 /* DMG (60gHz) 802.11ad */ 2107 /* type - bits 0..1 */ 2108 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 2109 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 2110 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 2111 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 2112 2113 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 2114 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 2115 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 2116 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 2117 2118 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 2119 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 2120 2121 /* measurement */ 2122 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 2123 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 2124 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 2125 2126 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 2127 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 2128 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 2129 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8 2130 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11 2131 2132 /* 802.11g ERP information element */ 2133 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 2134 #define WLAN_ERP_USE_PROTECTION (1<<1) 2135 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 2136 2137 /* WLAN_ERP_BARKER_PREAMBLE values */ 2138 enum { 2139 WLAN_ERP_PREAMBLE_SHORT = 0, 2140 WLAN_ERP_PREAMBLE_LONG = 1, 2141 }; 2142 2143 /* Band ID, 802.11ad #8.4.1.45 */ 2144 enum { 2145 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 2146 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 2147 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 2148 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 2149 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 2150 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 2151 }; 2152 2153 /* Status codes */ 2154 enum ieee80211_statuscode { 2155 WLAN_STATUS_SUCCESS = 0, 2156 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 2157 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 2158 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 2159 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 2160 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 2161 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 2162 WLAN_STATUS_CHALLENGE_FAIL = 15, 2163 WLAN_STATUS_AUTH_TIMEOUT = 16, 2164 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 2165 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 2166 /* 802.11b */ 2167 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 2168 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 2169 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 2170 /* 802.11h */ 2171 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 2172 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 2173 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 2174 /* 802.11g */ 2175 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 2176 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 2177 /* 802.11w */ 2178 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 2179 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 2180 /* 802.11i */ 2181 WLAN_STATUS_INVALID_IE = 40, 2182 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 2183 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 2184 WLAN_STATUS_INVALID_AKMP = 43, 2185 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 2186 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 2187 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 2188 /* 802.11e */ 2189 WLAN_STATUS_UNSPECIFIED_QOS = 32, 2190 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 2191 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 2192 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 2193 WLAN_STATUS_REQUEST_DECLINED = 37, 2194 WLAN_STATUS_INVALID_QOS_PARAM = 38, 2195 WLAN_STATUS_CHANGE_TSPEC = 39, 2196 WLAN_STATUS_WAIT_TS_DELAY = 47, 2197 WLAN_STATUS_NO_DIRECT_LINK = 48, 2198 WLAN_STATUS_STA_NOT_PRESENT = 49, 2199 WLAN_STATUS_STA_NOT_QSTA = 50, 2200 /* 802.11s */ 2201 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 2202 WLAN_STATUS_FCG_NOT_SUPP = 78, 2203 WLAN_STATUS_STA_NO_TBTT = 78, 2204 /* 802.11ad */ 2205 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 2206 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 2207 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 2208 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 2209 WLAN_STATUS_PERFORMING_FST_NOW = 87, 2210 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 2211 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 2212 WLAN_STATUS_REJECT_DSE_BAND = 96, 2213 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 2214 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 2215 /* 802.11ai */ 2216 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, 2217 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, 2218 }; 2219 2220 2221 /* Reason codes */ 2222 enum ieee80211_reasoncode { 2223 WLAN_REASON_UNSPECIFIED = 1, 2224 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 2225 WLAN_REASON_DEAUTH_LEAVING = 3, 2226 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 2227 WLAN_REASON_DISASSOC_AP_BUSY = 5, 2228 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 2229 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 2230 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 2231 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 2232 /* 802.11h */ 2233 WLAN_REASON_DISASSOC_BAD_POWER = 10, 2234 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 2235 /* 802.11i */ 2236 WLAN_REASON_INVALID_IE = 13, 2237 WLAN_REASON_MIC_FAILURE = 14, 2238 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 2239 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 2240 WLAN_REASON_IE_DIFFERENT = 17, 2241 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 2242 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 2243 WLAN_REASON_INVALID_AKMP = 20, 2244 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 2245 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 2246 WLAN_REASON_IEEE8021X_FAILED = 23, 2247 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 2248 /* TDLS (802.11z) */ 2249 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 2250 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 2251 /* 802.11e */ 2252 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 2253 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 2254 WLAN_REASON_DISASSOC_LOW_ACK = 34, 2255 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 2256 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 2257 WLAN_REASON_QSTA_NOT_USE = 37, 2258 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 2259 WLAN_REASON_QSTA_TIMEOUT = 39, 2260 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 2261 /* 802.11s */ 2262 WLAN_REASON_MESH_PEER_CANCELED = 52, 2263 WLAN_REASON_MESH_MAX_PEERS = 53, 2264 WLAN_REASON_MESH_CONFIG = 54, 2265 WLAN_REASON_MESH_CLOSE = 55, 2266 WLAN_REASON_MESH_MAX_RETRIES = 56, 2267 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 2268 WLAN_REASON_MESH_INVALID_GTK = 58, 2269 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 2270 WLAN_REASON_MESH_INVALID_SECURITY = 60, 2271 WLAN_REASON_MESH_PATH_ERROR = 61, 2272 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 2273 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 2274 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 2275 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 2276 WLAN_REASON_MESH_CHAN = 66, 2277 }; 2278 2279 2280 /* Information Element IDs */ 2281 enum ieee80211_eid { 2282 WLAN_EID_SSID = 0, 2283 WLAN_EID_SUPP_RATES = 1, 2284 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 2285 WLAN_EID_DS_PARAMS = 3, 2286 WLAN_EID_CF_PARAMS = 4, 2287 WLAN_EID_TIM = 5, 2288 WLAN_EID_IBSS_PARAMS = 6, 2289 WLAN_EID_COUNTRY = 7, 2290 /* 8, 9 reserved */ 2291 WLAN_EID_REQUEST = 10, 2292 WLAN_EID_QBSS_LOAD = 11, 2293 WLAN_EID_EDCA_PARAM_SET = 12, 2294 WLAN_EID_TSPEC = 13, 2295 WLAN_EID_TCLAS = 14, 2296 WLAN_EID_SCHEDULE = 15, 2297 WLAN_EID_CHALLENGE = 16, 2298 /* 17-31 reserved for challenge text extension */ 2299 WLAN_EID_PWR_CONSTRAINT = 32, 2300 WLAN_EID_PWR_CAPABILITY = 33, 2301 WLAN_EID_TPC_REQUEST = 34, 2302 WLAN_EID_TPC_REPORT = 35, 2303 WLAN_EID_SUPPORTED_CHANNELS = 36, 2304 WLAN_EID_CHANNEL_SWITCH = 37, 2305 WLAN_EID_MEASURE_REQUEST = 38, 2306 WLAN_EID_MEASURE_REPORT = 39, 2307 WLAN_EID_QUIET = 40, 2308 WLAN_EID_IBSS_DFS = 41, 2309 WLAN_EID_ERP_INFO = 42, 2310 WLAN_EID_TS_DELAY = 43, 2311 WLAN_EID_TCLAS_PROCESSING = 44, 2312 WLAN_EID_HT_CAPABILITY = 45, 2313 WLAN_EID_QOS_CAPA = 46, 2314 /* 47 reserved for Broadcom */ 2315 WLAN_EID_RSN = 48, 2316 WLAN_EID_802_15_COEX = 49, 2317 WLAN_EID_EXT_SUPP_RATES = 50, 2318 WLAN_EID_AP_CHAN_REPORT = 51, 2319 WLAN_EID_NEIGHBOR_REPORT = 52, 2320 WLAN_EID_RCPI = 53, 2321 WLAN_EID_MOBILITY_DOMAIN = 54, 2322 WLAN_EID_FAST_BSS_TRANSITION = 55, 2323 WLAN_EID_TIMEOUT_INTERVAL = 56, 2324 WLAN_EID_RIC_DATA = 57, 2325 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 2326 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 2327 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 2328 WLAN_EID_HT_OPERATION = 61, 2329 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 2330 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 2331 WLAN_EID_ANTENNA_INFO = 64, 2332 WLAN_EID_RSNI = 65, 2333 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 2334 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 2335 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 2336 WLAN_EID_TIME_ADVERTISEMENT = 69, 2337 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 2338 WLAN_EID_MULTIPLE_BSSID = 71, 2339 WLAN_EID_BSS_COEX_2040 = 72, 2340 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 2341 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 2342 WLAN_EID_RIC_DESCRIPTOR = 75, 2343 WLAN_EID_MMIE = 76, 2344 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 2345 WLAN_EID_EVENT_REQUEST = 78, 2346 WLAN_EID_EVENT_REPORT = 79, 2347 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 2348 WLAN_EID_DIAGNOSTIC_REPORT = 81, 2349 WLAN_EID_LOCATION_PARAMS = 82, 2350 WLAN_EID_NON_TX_BSSID_CAP = 83, 2351 WLAN_EID_SSID_LIST = 84, 2352 WLAN_EID_MULTI_BSSID_IDX = 85, 2353 WLAN_EID_FMS_DESCRIPTOR = 86, 2354 WLAN_EID_FMS_REQUEST = 87, 2355 WLAN_EID_FMS_RESPONSE = 88, 2356 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 2357 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 2358 WLAN_EID_TSF_REQUEST = 91, 2359 WLAN_EID_TSF_RESPOSNE = 92, 2360 WLAN_EID_WNM_SLEEP_MODE = 93, 2361 WLAN_EID_TIM_BCAST_REQ = 94, 2362 WLAN_EID_TIM_BCAST_RESP = 95, 2363 WLAN_EID_COLL_IF_REPORT = 96, 2364 WLAN_EID_CHANNEL_USAGE = 97, 2365 WLAN_EID_TIME_ZONE = 98, 2366 WLAN_EID_DMS_REQUEST = 99, 2367 WLAN_EID_DMS_RESPONSE = 100, 2368 WLAN_EID_LINK_ID = 101, 2369 WLAN_EID_WAKEUP_SCHEDUL = 102, 2370 /* 103 reserved */ 2371 WLAN_EID_CHAN_SWITCH_TIMING = 104, 2372 WLAN_EID_PTI_CONTROL = 105, 2373 WLAN_EID_PU_BUFFER_STATUS = 106, 2374 WLAN_EID_INTERWORKING = 107, 2375 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 2376 WLAN_EID_EXPEDITED_BW_REQ = 109, 2377 WLAN_EID_QOS_MAP_SET = 110, 2378 WLAN_EID_ROAMING_CONSORTIUM = 111, 2379 WLAN_EID_EMERGENCY_ALERT = 112, 2380 WLAN_EID_MESH_CONFIG = 113, 2381 WLAN_EID_MESH_ID = 114, 2382 WLAN_EID_LINK_METRIC_REPORT = 115, 2383 WLAN_EID_CONGESTION_NOTIFICATION = 116, 2384 WLAN_EID_PEER_MGMT = 117, 2385 WLAN_EID_CHAN_SWITCH_PARAM = 118, 2386 WLAN_EID_MESH_AWAKE_WINDOW = 119, 2387 WLAN_EID_BEACON_TIMING = 120, 2388 WLAN_EID_MCCAOP_SETUP_REQ = 121, 2389 WLAN_EID_MCCAOP_SETUP_RESP = 122, 2390 WLAN_EID_MCCAOP_ADVERT = 123, 2391 WLAN_EID_MCCAOP_TEARDOWN = 124, 2392 WLAN_EID_GANN = 125, 2393 WLAN_EID_RANN = 126, 2394 WLAN_EID_EXT_CAPABILITY = 127, 2395 /* 128, 129 reserved for Agere */ 2396 WLAN_EID_PREQ = 130, 2397 WLAN_EID_PREP = 131, 2398 WLAN_EID_PERR = 132, 2399 /* 133-136 reserved for Cisco */ 2400 WLAN_EID_PXU = 137, 2401 WLAN_EID_PXUC = 138, 2402 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 2403 WLAN_EID_MIC = 140, 2404 WLAN_EID_DESTINATION_URI = 141, 2405 WLAN_EID_UAPSD_COEX = 142, 2406 WLAN_EID_WAKEUP_SCHEDULE = 143, 2407 WLAN_EID_EXT_SCHEDULE = 144, 2408 WLAN_EID_STA_AVAILABILITY = 145, 2409 WLAN_EID_DMG_TSPEC = 146, 2410 WLAN_EID_DMG_AT = 147, 2411 WLAN_EID_DMG_CAP = 148, 2412 /* 149 reserved for Cisco */ 2413 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 2414 WLAN_EID_DMG_OPERATION = 151, 2415 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 2416 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 2417 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 2418 /* 155-156 reserved for Cisco */ 2419 WLAN_EID_AWAKE_WINDOW = 157, 2420 WLAN_EID_MULTI_BAND = 158, 2421 WLAN_EID_ADDBA_EXT = 159, 2422 WLAN_EID_NEXT_PCP_LIST = 160, 2423 WLAN_EID_PCP_HANDOVER = 161, 2424 WLAN_EID_DMG_LINK_MARGIN = 162, 2425 WLAN_EID_SWITCHING_STREAM = 163, 2426 WLAN_EID_SESSION_TRANSITION = 164, 2427 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 2428 WLAN_EID_CLUSTER_REPORT = 166, 2429 WLAN_EID_RELAY_CAP = 167, 2430 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 2431 WLAN_EID_BEAM_LINK_MAINT = 169, 2432 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 2433 WLAN_EID_U_PID = 171, 2434 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 2435 /* 173 reserved for Symbol */ 2436 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 2437 WLAN_EID_QUIET_PERIOD_REQ = 175, 2438 /* 176 reserved for Symbol */ 2439 WLAN_EID_QUIET_PERIOD_RESP = 177, 2440 /* 178-179 reserved for Symbol */ 2441 /* 180 reserved for ISO/IEC 20011 */ 2442 WLAN_EID_EPAC_POLICY = 182, 2443 WLAN_EID_CLISTER_TIME_OFF = 183, 2444 WLAN_EID_INTER_AC_PRIO = 184, 2445 WLAN_EID_SCS_DESCRIPTOR = 185, 2446 WLAN_EID_QLOAD_REPORT = 186, 2447 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 2448 WLAN_EID_HL_STREAM_ID = 188, 2449 WLAN_EID_GCR_GROUP_ADDR = 189, 2450 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 2451 WLAN_EID_VHT_CAPABILITY = 191, 2452 WLAN_EID_VHT_OPERATION = 192, 2453 WLAN_EID_EXTENDED_BSS_LOAD = 193, 2454 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 2455 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 2456 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 2457 WLAN_EID_AID = 197, 2458 WLAN_EID_QUIET_CHANNEL = 198, 2459 WLAN_EID_OPMODE_NOTIF = 199, 2460 2461 WLAN_EID_VENDOR_SPECIFIC = 221, 2462 WLAN_EID_QOS_PARAMETER = 222, 2463 WLAN_EID_CAG_NUMBER = 237, 2464 WLAN_EID_AP_CSN = 239, 2465 WLAN_EID_FILS_INDICATION = 240, 2466 WLAN_EID_DILS = 241, 2467 WLAN_EID_FRAGMENT = 242, 2468 WLAN_EID_EXTENSION = 255 2469 }; 2470 2471 /* Element ID Extensions for Element ID 255 */ 2472 enum ieee80211_eid_ext { 2473 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 2474 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 2475 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 2476 WLAN_EID_EXT_FILS_SESSION = 4, 2477 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 2478 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 2479 WLAN_EID_EXT_KEY_DELIVERY = 7, 2480 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 2481 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 2482 WLAN_EID_EXT_FILS_NONCE = 13, 2483 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14, 2484 WLAN_EID_EXT_HE_CAPABILITY = 35, 2485 WLAN_EID_EXT_HE_OPERATION = 36, 2486 WLAN_EID_EXT_UORA = 37, 2487 WLAN_EID_EXT_HE_MU_EDCA = 38, 2488 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52, 2489 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55, 2490 WLAN_EID_EXT_NON_INHERITANCE = 56, 2491 }; 2492 2493 /* Action category code */ 2494 enum ieee80211_category { 2495 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 2496 WLAN_CATEGORY_QOS = 1, 2497 WLAN_CATEGORY_DLS = 2, 2498 WLAN_CATEGORY_BACK = 3, 2499 WLAN_CATEGORY_PUBLIC = 4, 2500 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 2501 WLAN_CATEGORY_HT = 7, 2502 WLAN_CATEGORY_SA_QUERY = 8, 2503 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 2504 WLAN_CATEGORY_WNM = 10, 2505 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 2506 WLAN_CATEGORY_TDLS = 12, 2507 WLAN_CATEGORY_MESH_ACTION = 13, 2508 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 2509 WLAN_CATEGORY_SELF_PROTECTED = 15, 2510 WLAN_CATEGORY_DMG = 16, 2511 WLAN_CATEGORY_WMM = 17, 2512 WLAN_CATEGORY_FST = 18, 2513 WLAN_CATEGORY_UNPROT_DMG = 20, 2514 WLAN_CATEGORY_VHT = 21, 2515 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 2516 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 2517 }; 2518 2519 /* SPECTRUM_MGMT action code */ 2520 enum ieee80211_spectrum_mgmt_actioncode { 2521 WLAN_ACTION_SPCT_MSR_REQ = 0, 2522 WLAN_ACTION_SPCT_MSR_RPRT = 1, 2523 WLAN_ACTION_SPCT_TPC_REQ = 2, 2524 WLAN_ACTION_SPCT_TPC_RPRT = 3, 2525 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 2526 }; 2527 2528 /* HT action codes */ 2529 enum ieee80211_ht_actioncode { 2530 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 2531 WLAN_HT_ACTION_SMPS = 1, 2532 WLAN_HT_ACTION_PSMP = 2, 2533 WLAN_HT_ACTION_PCO_PHASE = 3, 2534 WLAN_HT_ACTION_CSI = 4, 2535 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 2536 WLAN_HT_ACTION_COMPRESSED_BF = 6, 2537 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 2538 }; 2539 2540 /* VHT action codes */ 2541 enum ieee80211_vht_actioncode { 2542 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 2543 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 2544 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 2545 }; 2546 2547 /* Self Protected Action codes */ 2548 enum ieee80211_self_protected_actioncode { 2549 WLAN_SP_RESERVED = 0, 2550 WLAN_SP_MESH_PEERING_OPEN = 1, 2551 WLAN_SP_MESH_PEERING_CONFIRM = 2, 2552 WLAN_SP_MESH_PEERING_CLOSE = 3, 2553 WLAN_SP_MGK_INFORM = 4, 2554 WLAN_SP_MGK_ACK = 5, 2555 }; 2556 2557 /* Mesh action codes */ 2558 enum ieee80211_mesh_actioncode { 2559 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2560 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2561 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2562 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2563 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2564 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2565 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2566 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2567 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2568 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2569 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2570 }; 2571 2572 /* Security key length */ 2573 enum ieee80211_key_len { 2574 WLAN_KEY_LEN_WEP40 = 5, 2575 WLAN_KEY_LEN_WEP104 = 13, 2576 WLAN_KEY_LEN_CCMP = 16, 2577 WLAN_KEY_LEN_CCMP_256 = 32, 2578 WLAN_KEY_LEN_TKIP = 32, 2579 WLAN_KEY_LEN_AES_CMAC = 16, 2580 WLAN_KEY_LEN_SMS4 = 32, 2581 WLAN_KEY_LEN_GCMP = 16, 2582 WLAN_KEY_LEN_GCMP_256 = 32, 2583 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2584 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2585 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2586 }; 2587 2588 #define IEEE80211_WEP_IV_LEN 4 2589 #define IEEE80211_WEP_ICV_LEN 4 2590 #define IEEE80211_CCMP_HDR_LEN 8 2591 #define IEEE80211_CCMP_MIC_LEN 8 2592 #define IEEE80211_CCMP_PN_LEN 6 2593 #define IEEE80211_CCMP_256_HDR_LEN 8 2594 #define IEEE80211_CCMP_256_MIC_LEN 16 2595 #define IEEE80211_CCMP_256_PN_LEN 6 2596 #define IEEE80211_TKIP_IV_LEN 8 2597 #define IEEE80211_TKIP_ICV_LEN 4 2598 #define IEEE80211_CMAC_PN_LEN 6 2599 #define IEEE80211_GMAC_PN_LEN 6 2600 #define IEEE80211_GCMP_HDR_LEN 8 2601 #define IEEE80211_GCMP_MIC_LEN 16 2602 #define IEEE80211_GCMP_PN_LEN 6 2603 2604 #define FILS_NONCE_LEN 16 2605 #define FILS_MAX_KEK_LEN 64 2606 2607 #define FILS_ERP_MAX_USERNAME_LEN 16 2608 #define FILS_ERP_MAX_REALM_LEN 253 2609 #define FILS_ERP_MAX_RRK_LEN 64 2610 2611 #define PMK_MAX_LEN 64 2612 #define SAE_PASSWORD_MAX_LEN 128 2613 2614 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ 2615 enum ieee80211_pub_actioncode { 2616 WLAN_PUB_ACTION_20_40_BSS_COEX = 0, 2617 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, 2618 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, 2619 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, 2620 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2621 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, 2622 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, 2623 WLAN_PUB_ACTION_MSMT_PILOT = 7, 2624 WLAN_PUB_ACTION_DSE_PC = 8, 2625 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, 2626 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, 2627 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, 2628 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, 2629 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, 2630 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2631 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, 2632 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, 2633 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, 2634 WLAN_PUB_ACTION_QMF_POLICY = 18, 2635 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, 2636 WLAN_PUB_ACTION_QLOAD_REQUEST = 20, 2637 WLAN_PUB_ACTION_QLOAD_REPORT = 21, 2638 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, 2639 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, 2640 WLAN_PUB_ACTION_PUBLIC_KEY = 24, 2641 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, 2642 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, 2643 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, 2644 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, 2645 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, 2646 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, 2647 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, 2648 WLAN_PUB_ACTION_FTM_REQUEST = 32, 2649 WLAN_PUB_ACTION_FTM = 33, 2650 WLAN_PUB_ACTION_FILS_DISCOVERY = 34, 2651 }; 2652 2653 /* TDLS action codes */ 2654 enum ieee80211_tdls_actioncode { 2655 WLAN_TDLS_SETUP_REQUEST = 0, 2656 WLAN_TDLS_SETUP_RESPONSE = 1, 2657 WLAN_TDLS_SETUP_CONFIRM = 2, 2658 WLAN_TDLS_TEARDOWN = 3, 2659 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 2660 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 2661 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 2662 WLAN_TDLS_PEER_PSM_REQUEST = 7, 2663 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 2664 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 2665 WLAN_TDLS_DISCOVERY_REQUEST = 10, 2666 }; 2667 2668 /* Extended Channel Switching capability to be set in the 1st byte of 2669 * the @WLAN_EID_EXT_CAPABILITY information element 2670 */ 2671 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 2672 2673 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the 2674 * @WLAN_EID_EXT_CAPABILITY information element 2675 */ 2676 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) 2677 2678 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 2679 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 2680 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 2681 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 2682 2683 /* Interworking capabilities are set in 7th bit of 4th byte of the 2684 * @WLAN_EID_EXT_CAPABILITY information element 2685 */ 2686 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 2687 2688 /* 2689 * TDLS capabililites to be enabled in the 5th byte of the 2690 * @WLAN_EID_EXT_CAPABILITY information element 2691 */ 2692 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 2693 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 2694 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 2695 2696 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 2697 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 2698 2699 /* Defines the maximal number of MSDUs in an A-MSDU. */ 2700 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 2701 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 2702 2703 /* 2704 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 2705 * information element 2706 */ 2707 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 2708 2709 /* Defines support for TWT Requester and TWT Responder */ 2710 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) 2711 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) 2712 2713 /* 2714 * When set, indicates that the AP is able to tolerate 26-tone RU UL 2715 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the 2716 * 26-tone RU UL OFDMA transmissions as radar pulses). 2717 */ 2718 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7) 2719 2720 /* Defines support for enhanced multi-bssid advertisement*/ 2721 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1) 2722 2723 /* TDLS specific payload type in the LLC/SNAP header */ 2724 #define WLAN_TDLS_SNAP_RFTYPE 0x2 2725 2726 /* BSS Coex IE information field bits */ 2727 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 2728 2729 /** 2730 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier 2731 * 2732 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 2733 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 2734 * that will be specified in a vendor specific information element 2735 */ 2736 enum ieee80211_mesh_sync_method { 2737 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 2738 IEEE80211_SYNC_METHOD_VENDOR = 255, 2739 }; 2740 2741 /** 2742 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier 2743 * 2744 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 2745 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 2746 * be specified in a vendor specific information element 2747 */ 2748 enum ieee80211_mesh_path_protocol { 2749 IEEE80211_PATH_PROTOCOL_HWMP = 1, 2750 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 2751 }; 2752 2753 /** 2754 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier 2755 * 2756 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 2757 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 2758 * specified in a vendor specific information element 2759 */ 2760 enum ieee80211_mesh_path_metric { 2761 IEEE80211_PATH_METRIC_AIRTIME = 1, 2762 IEEE80211_PATH_METRIC_VENDOR = 255, 2763 }; 2764 2765 /** 2766 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 2767 * 2768 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 2769 * 2770 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 2771 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 2772 * this value 2773 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 2774 * the proactive PREQ with proactive PREP subfield set to 0 2775 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 2776 * supports the proactive PREQ with proactive PREP subfield set to 1 2777 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 2778 * the proactive RANN 2779 */ 2780 enum ieee80211_root_mode_identifier { 2781 IEEE80211_ROOTMODE_NO_ROOT = 0, 2782 IEEE80211_ROOTMODE_ROOT = 1, 2783 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 2784 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 2785 IEEE80211_PROACTIVE_RANN = 4, 2786 }; 2787 2788 /* 2789 * IEEE 802.11-2007 7.3.2.9 Country information element 2790 * 2791 * Minimum length is 8 octets, ie len must be evenly 2792 * divisible by 2 2793 */ 2794 2795 /* Although the spec says 8 I'm seeing 6 in practice */ 2796 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 2797 2798 /* The Country String field of the element shall be 3 octets in length */ 2799 #define IEEE80211_COUNTRY_STRING_LEN 3 2800 2801 /* 2802 * For regulatory extension stuff see IEEE 802.11-2007 2803 * Annex I (page 1141) and Annex J (page 1147). Also 2804 * review 7.3.2.9. 2805 * 2806 * When dot11RegulatoryClassesRequired is true and the 2807 * first_channel/reg_extension_id is >= 201 then the IE 2808 * compromises of the 'ext' struct represented below: 2809 * 2810 * - Regulatory extension ID - when generating IE this just needs 2811 * to be monotonically increasing for each triplet passed in 2812 * the IE 2813 * - Regulatory class - index into set of rules 2814 * - Coverage class - index into air propagation time (Table 7-27), 2815 * in microseconds, you can compute the air propagation time from 2816 * the index by multiplying by 3, so index 10 yields a propagation 2817 * of 10 us. Valid values are 0-31, values 32-255 are not defined 2818 * yet. A value of 0 inicates air propagation of <= 1 us. 2819 * 2820 * See also Table I.2 for Emission limit sets and table 2821 * I.3 for Behavior limit sets. Table J.1 indicates how to map 2822 * a reg_class to an emission limit set and behavior limit set. 2823 */ 2824 #define IEEE80211_COUNTRY_EXTENSION_ID 201 2825 2826 /* 2827 * Channels numbers in the IE must be monotonically increasing 2828 * if dot11RegulatoryClassesRequired is not true. 2829 * 2830 * If dot11RegulatoryClassesRequired is true consecutive 2831 * subband triplets following a regulatory triplet shall 2832 * have monotonically increasing first_channel number fields. 2833 * 2834 * Channel numbers shall not overlap. 2835 * 2836 * Note that max_power is signed. 2837 */ 2838 struct ieee80211_country_ie_triplet { 2839 union { 2840 struct { 2841 u8 first_channel; 2842 u8 num_channels; 2843 s8 max_power; 2844 } __packed chans; 2845 struct { 2846 u8 reg_extension_id; 2847 u8 reg_class; 2848 u8 coverage_class; 2849 } __packed ext; 2850 }; 2851 } __packed; 2852 2853 enum ieee80211_timeout_interval_type { 2854 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2855 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2856 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2857 }; 2858 2859 /** 2860 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2861 * @type: type, see &enum ieee80211_timeout_interval_type 2862 * @value: timeout interval value 2863 */ 2864 struct ieee80211_timeout_interval_ie { 2865 u8 type; 2866 __le32 value; 2867 } __packed; 2868 2869 /** 2870 * enum ieee80211_idle_options - BSS idle options 2871 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN 2872 * protected frame to the AP to reset the idle timer at the AP for 2873 * the station. 2874 */ 2875 enum ieee80211_idle_options { 2876 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), 2877 }; 2878 2879 /** 2880 * struct ieee80211_bss_max_idle_period_ie 2881 * 2882 * This structure refers to "BSS Max idle period element" 2883 * 2884 * @max_idle_period: indicates the time period during which a station can 2885 * refrain from transmitting frames to its associated AP without being 2886 * disassociated. In units of 1000 TUs. 2887 * @idle_options: indicates the options associated with the BSS idle capability 2888 * as specified in &enum ieee80211_idle_options. 2889 */ 2890 struct ieee80211_bss_max_idle_period_ie { 2891 __le16 max_idle_period; 2892 u8 idle_options; 2893 } __packed; 2894 2895 /* BACK action code */ 2896 enum ieee80211_back_actioncode { 2897 WLAN_ACTION_ADDBA_REQ = 0, 2898 WLAN_ACTION_ADDBA_RESP = 1, 2899 WLAN_ACTION_DELBA = 2, 2900 }; 2901 2902 /* BACK (block-ack) parties */ 2903 enum ieee80211_back_parties { 2904 WLAN_BACK_RECIPIENT = 0, 2905 WLAN_BACK_INITIATOR = 1, 2906 }; 2907 2908 /* SA Query action */ 2909 enum ieee80211_sa_query_action { 2910 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2911 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2912 }; 2913 2914 /** 2915 * struct ieee80211_bssid_index 2916 * 2917 * This structure refers to "Multiple BSSID-index element" 2918 * 2919 * @bssid_index: BSSID index 2920 * @dtim_period: optional, overrides transmitted BSS dtim period 2921 * @dtim_count: optional, overrides transmitted BSS dtim count 2922 */ 2923 struct ieee80211_bssid_index { 2924 u8 bssid_index; 2925 u8 dtim_period; 2926 u8 dtim_count; 2927 }; 2928 2929 /** 2930 * struct ieee80211_multiple_bssid_configuration 2931 * 2932 * This structure refers to "Multiple BSSID Configuration element" 2933 * 2934 * @bssid_count: total number of active BSSIDs in the set 2935 * @profile_periodicity: the least number of beacon frames need to be received 2936 * in order to discover all the nontransmitted BSSIDs in the set. 2937 */ 2938 struct ieee80211_multiple_bssid_configuration { 2939 u8 bssid_count; 2940 u8 profile_periodicity; 2941 }; 2942 2943 #define SUITE(oui, id) (((oui) << 8) | (id)) 2944 2945 /* cipher suite selectors */ 2946 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 2947 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 2948 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 2949 /* reserved: SUITE(0x000FAC, 3) */ 2950 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 2951 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 2952 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 2953 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 2954 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 2955 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 2956 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 2957 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 2958 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 2959 2960 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 2961 2962 /* AKM suite selectors */ 2963 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 2964 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 2965 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) 2966 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) 2967 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 2968 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 2969 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 2970 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 2971 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 2972 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) 2973 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) 2974 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) 2975 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) 2976 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) 2977 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) 2978 2979 #define WLAN_MAX_KEY_LEN 32 2980 2981 #define WLAN_PMK_NAME_LEN 16 2982 #define WLAN_PMKID_LEN 16 2983 #define WLAN_PMK_LEN_EAP_LEAP 16 2984 #define WLAN_PMK_LEN 32 2985 #define WLAN_PMK_LEN_SUITE_B_192 48 2986 2987 #define WLAN_OUI_WFA 0x506f9a 2988 #define WLAN_OUI_TYPE_WFA_P2P 9 2989 #define WLAN_OUI_MICROSOFT 0x0050f2 2990 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 2991 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 2992 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 2993 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 2994 2995 /* 2996 * WMM/802.11e Tspec Element 2997 */ 2998 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 2999 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 3000 3001 enum ieee80211_tspec_status_code { 3002 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 3003 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 3004 }; 3005 3006 struct ieee80211_tspec_ie { 3007 u8 element_id; 3008 u8 len; 3009 u8 oui[3]; 3010 u8 oui_type; 3011 u8 oui_subtype; 3012 u8 version; 3013 __le16 tsinfo; 3014 u8 tsinfo_resvd; 3015 __le16 nominal_msdu; 3016 __le16 max_msdu; 3017 __le32 min_service_int; 3018 __le32 max_service_int; 3019 __le32 inactivity_int; 3020 __le32 suspension_int; 3021 __le32 service_start_time; 3022 __le32 min_data_rate; 3023 __le32 mean_data_rate; 3024 __le32 peak_data_rate; 3025 __le32 max_burst_size; 3026 __le32 delay_bound; 3027 __le32 min_phy_rate; 3028 __le16 sba; 3029 __le16 medium_time; 3030 } __packed; 3031 3032 /** 3033 * ieee80211_get_qos_ctl - get pointer to qos control bytes 3034 * @hdr: the frame 3035 * 3036 * The qos ctrl bytes come after the frame_control, duration, seq_num 3037 * and 3 or 4 addresses of length ETH_ALEN. 3038 * 3 addr: 2 + 2 + 2 + 3*6 = 24 3039 * 4 addr: 2 + 2 + 2 + 4*6 = 30 3040 */ 3041 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 3042 { 3043 if (ieee80211_has_a4(hdr->frame_control)) 3044 return (u8 *)hdr + 30; 3045 else 3046 return (u8 *)hdr + 24; 3047 } 3048 3049 /** 3050 * ieee80211_get_tid - get qos TID 3051 * @hdr: the frame 3052 */ 3053 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) 3054 { 3055 u8 *qc = ieee80211_get_qos_ctl(hdr); 3056 3057 return qc[0] & IEEE80211_QOS_CTL_TID_MASK; 3058 } 3059 3060 /** 3061 * ieee80211_get_SA - get pointer to SA 3062 * @hdr: the frame 3063 * 3064 * Given an 802.11 frame, this function returns the offset 3065 * to the source address (SA). It does not verify that the 3066 * header is long enough to contain the address, and the 3067 * header must be long enough to contain the frame control 3068 * field. 3069 */ 3070 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 3071 { 3072 if (ieee80211_has_a4(hdr->frame_control)) 3073 return hdr->addr4; 3074 if (ieee80211_has_fromds(hdr->frame_control)) 3075 return hdr->addr3; 3076 return hdr->addr2; 3077 } 3078 3079 /** 3080 * ieee80211_get_DA - get pointer to DA 3081 * @hdr: the frame 3082 * 3083 * Given an 802.11 frame, this function returns the offset 3084 * to the destination address (DA). It does not verify that 3085 * the header is long enough to contain the address, and the 3086 * header must be long enough to contain the frame control 3087 * field. 3088 */ 3089 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 3090 { 3091 if (ieee80211_has_tods(hdr->frame_control)) 3092 return hdr->addr3; 3093 else 3094 return hdr->addr1; 3095 } 3096 3097 /** 3098 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 3099 * @hdr: the frame (buffer must include at least the first octet of payload) 3100 */ 3101 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 3102 { 3103 if (ieee80211_is_disassoc(hdr->frame_control) || 3104 ieee80211_is_deauth(hdr->frame_control)) 3105 return true; 3106 3107 if (ieee80211_is_action(hdr->frame_control)) { 3108 u8 *category; 3109 3110 /* 3111 * Action frames, excluding Public Action frames, are Robust 3112 * Management Frames. However, if we are looking at a Protected 3113 * frame, skip the check since the data may be encrypted and 3114 * the frame has already been found to be a Robust Management 3115 * Frame (by the other end). 3116 */ 3117 if (ieee80211_has_protected(hdr->frame_control)) 3118 return true; 3119 category = ((u8 *) hdr) + 24; 3120 return *category != WLAN_CATEGORY_PUBLIC && 3121 *category != WLAN_CATEGORY_HT && 3122 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 3123 *category != WLAN_CATEGORY_SELF_PROTECTED && 3124 *category != WLAN_CATEGORY_UNPROT_DMG && 3125 *category != WLAN_CATEGORY_VHT && 3126 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 3127 } 3128 3129 return false; 3130 } 3131 3132 /** 3133 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 3134 * @skb: the skb containing the frame, length will be checked 3135 */ 3136 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 3137 { 3138 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3139 return false; 3140 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 3141 } 3142 3143 /** 3144 * ieee80211_is_public_action - check if frame is a public action frame 3145 * @hdr: the frame 3146 * @len: length of the frame 3147 */ 3148 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 3149 size_t len) 3150 { 3151 struct ieee80211_mgmt *mgmt = (void *)hdr; 3152 3153 if (len < IEEE80211_MIN_ACTION_SIZE) 3154 return false; 3155 if (!ieee80211_is_action(hdr->frame_control)) 3156 return false; 3157 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 3158 } 3159 3160 /** 3161 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 3162 * privacy action frame 3163 * @hdr: the frame 3164 */ 3165 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 3166 { 3167 struct ieee80211_mgmt *mgmt = (void *)hdr; 3168 3169 if (!ieee80211_is_action(hdr->frame_control) || 3170 !is_multicast_ether_addr(hdr->addr1)) 3171 return false; 3172 3173 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 3174 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 3175 } 3176 3177 /** 3178 * ieee80211_is_group_privacy_action - check if frame is a group addressed 3179 * privacy action frame 3180 * @skb: the skb containing the frame, length will be checked 3181 */ 3182 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 3183 { 3184 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3185 return false; 3186 return _ieee80211_is_group_privacy_action((void *)skb->data); 3187 } 3188 3189 /** 3190 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 3191 * @tu: the TUs 3192 */ 3193 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 3194 { 3195 return 1024 * tu; 3196 } 3197 3198 /** 3199 * ieee80211_check_tim - check if AID bit is set in TIM 3200 * @tim: the TIM IE 3201 * @tim_len: length of the TIM IE 3202 * @aid: the AID to look for 3203 */ 3204 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 3205 u8 tim_len, u16 aid) 3206 { 3207 u8 mask; 3208 u8 index, indexn1, indexn2; 3209 3210 if (unlikely(!tim || tim_len < sizeof(*tim))) 3211 return false; 3212 3213 aid &= 0x3fff; 3214 index = aid / 8; 3215 mask = 1 << (aid & 7); 3216 3217 indexn1 = tim->bitmap_ctrl & 0xfe; 3218 indexn2 = tim_len + indexn1 - 4; 3219 3220 if (index < indexn1 || index > indexn2) 3221 return false; 3222 3223 index -= indexn1; 3224 3225 return !!(tim->virtual_map[index] & mask); 3226 } 3227 3228 /** 3229 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 3230 * @skb: the skb containing the frame, length will not be checked 3231 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 3232 * 3233 * This function assumes the frame is a data frame, and that the network header 3234 * is in the correct place. 3235 */ 3236 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 3237 { 3238 if (!skb_is_nonlinear(skb) && 3239 skb->len > (skb_network_offset(skb) + 2)) { 3240 /* Point to where the indication of TDLS should start */ 3241 const u8 *tdls_data = skb_network_header(skb) - 2; 3242 3243 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 3244 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 3245 tdls_data[3] == WLAN_CATEGORY_TDLS) 3246 return tdls_data[4]; 3247 } 3248 3249 return -1; 3250 } 3251 3252 /* convert time units */ 3253 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 3254 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 3255 3256 /** 3257 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 3258 * @skb: the skb containing the frame, length will be checked 3259 * 3260 * This function checks if it's either TPC report action frame or Link 3261 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 3262 * and 8.5.7.5 accordingly. 3263 */ 3264 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 3265 { 3266 struct ieee80211_mgmt *mgmt = (void *)skb->data; 3267 3268 if (!ieee80211_is_action(mgmt->frame_control)) 3269 return false; 3270 3271 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 3272 sizeof(mgmt->u.action.u.tpc_report)) 3273 return false; 3274 3275 /* 3276 * TPC report - check that: 3277 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 3278 * spectrum management action = 3 (TPC/Link Measurement report) 3279 * TPC report EID = 35 3280 * TPC report element length = 2 3281 * 3282 * The spectrum management's tpc_report struct is used here both for 3283 * parsing tpc_report and radio measurement's link measurement report 3284 * frame, since the relevant part is identical in both frames. 3285 */ 3286 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 3287 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 3288 return false; 3289 3290 /* both spectrum mgmt and link measurement have same action code */ 3291 if (mgmt->u.action.u.tpc_report.action_code != 3292 WLAN_ACTION_SPCT_TPC_RPRT) 3293 return false; 3294 3295 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 3296 mgmt->u.action.u.tpc_report.tpc_elem_length != 3297 sizeof(struct ieee80211_tpc_report_ie)) 3298 return false; 3299 3300 return true; 3301 } 3302 3303 struct element { 3304 u8 id; 3305 u8 datalen; 3306 u8 data[]; 3307 } __packed; 3308 3309 /* element iteration helpers */ 3310 #define for_each_element(_elem, _data, _datalen) \ 3311 for (_elem = (const struct element *)(_data); \ 3312 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 3313 (int)sizeof(*_elem) && \ 3314 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \ 3315 (int)sizeof(*_elem) + _elem->datalen; \ 3316 _elem = (const struct element *)(_elem->data + _elem->datalen)) 3317 3318 #define for_each_element_id(element, _id, data, datalen) \ 3319 for_each_element(element, data, datalen) \ 3320 if (element->id == (_id)) 3321 3322 #define for_each_element_extid(element, extid, _data, _datalen) \ 3323 for_each_element(element, _data, _datalen) \ 3324 if (element->id == WLAN_EID_EXTENSION && \ 3325 element->datalen > 0 && \ 3326 element->data[0] == (extid)) 3327 3328 #define for_each_subelement(sub, element) \ 3329 for_each_element(sub, (element)->data, (element)->datalen) 3330 3331 #define for_each_subelement_id(sub, id, element) \ 3332 for_each_element_id(sub, id, (element)->data, (element)->datalen) 3333 3334 #define for_each_subelement_extid(sub, extid, element) \ 3335 for_each_element_extid(sub, extid, (element)->data, (element)->datalen) 3336 3337 /** 3338 * for_each_element_completed - determine if element parsing consumed all data 3339 * @element: element pointer after for_each_element() or friends 3340 * @data: same data pointer as passed to for_each_element() or friends 3341 * @datalen: same data length as passed to for_each_element() or friends 3342 * 3343 * This function returns %true if all the data was parsed or considered 3344 * while walking the elements. Only use this if your for_each_element() 3345 * loop cannot be broken out of, otherwise it always returns %false. 3346 * 3347 * If some data was malformed, this returns %false since the last parsed 3348 * element will not fill the whole remaining data. 3349 */ 3350 static inline bool for_each_element_completed(const struct element *element, 3351 const void *data, size_t datalen) 3352 { 3353 return (const u8 *)element == (const u8 *)data + datalen; 3354 } 3355 3356 #endif /* LINUX_IEEE80211_H */ 3357