1 /* 2 * IEEE 802.11 defines 3 * 4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 5 * <[email protected]> 6 * Copyright (c) 2002-2003, Jouni Malinen <[email protected]> 7 * Copyright (c) 2005, Devicescape Software, Inc. 8 * Copyright (c) 2006, Michael Wu <[email protected]> 9 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH 10 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH 11 * Copyright (c) 2018 Intel Corporation 12 * 13 * This program is free software; you can redistribute it and/or modify 14 * it under the terms of the GNU General Public License version 2 as 15 * published by the Free Software Foundation. 16 */ 17 18 #ifndef LINUX_IEEE80211_H 19 #define LINUX_IEEE80211_H 20 21 #include <linux/types.h> 22 #include <linux/if_ether.h> 23 #include <linux/etherdevice.h> 24 #include <asm/byteorder.h> 25 #include <asm/unaligned.h> 26 27 /* 28 * DS bit usage 29 * 30 * TA = transmitter address 31 * RA = receiver address 32 * DA = destination address 33 * SA = source address 34 * 35 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use 36 * ----------------------------------------------------------------- 37 * 0 0 DA SA BSSID - IBSS/DLS 38 * 0 1 DA BSSID SA - AP -> STA 39 * 1 0 BSSID SA DA - AP <- STA 40 * 1 1 RA TA DA SA unspecified (WDS) 41 */ 42 43 #define FCS_LEN 4 44 45 #define IEEE80211_FCTL_VERS 0x0003 46 #define IEEE80211_FCTL_FTYPE 0x000c 47 #define IEEE80211_FCTL_STYPE 0x00f0 48 #define IEEE80211_FCTL_TODS 0x0100 49 #define IEEE80211_FCTL_FROMDS 0x0200 50 #define IEEE80211_FCTL_MOREFRAGS 0x0400 51 #define IEEE80211_FCTL_RETRY 0x0800 52 #define IEEE80211_FCTL_PM 0x1000 53 #define IEEE80211_FCTL_MOREDATA 0x2000 54 #define IEEE80211_FCTL_PROTECTED 0x4000 55 #define IEEE80211_FCTL_ORDER 0x8000 56 #define IEEE80211_FCTL_CTL_EXT 0x0f00 57 58 #define IEEE80211_SCTL_FRAG 0x000F 59 #define IEEE80211_SCTL_SEQ 0xFFF0 60 61 #define IEEE80211_FTYPE_MGMT 0x0000 62 #define IEEE80211_FTYPE_CTL 0x0004 63 #define IEEE80211_FTYPE_DATA 0x0008 64 #define IEEE80211_FTYPE_EXT 0x000c 65 66 /* management */ 67 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 68 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 69 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 70 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 71 #define IEEE80211_STYPE_PROBE_REQ 0x0040 72 #define IEEE80211_STYPE_PROBE_RESP 0x0050 73 #define IEEE80211_STYPE_BEACON 0x0080 74 #define IEEE80211_STYPE_ATIM 0x0090 75 #define IEEE80211_STYPE_DISASSOC 0x00A0 76 #define IEEE80211_STYPE_AUTH 0x00B0 77 #define IEEE80211_STYPE_DEAUTH 0x00C0 78 #define IEEE80211_STYPE_ACTION 0x00D0 79 80 /* control */ 81 #define IEEE80211_STYPE_CTL_EXT 0x0060 82 #define IEEE80211_STYPE_BACK_REQ 0x0080 83 #define IEEE80211_STYPE_BACK 0x0090 84 #define IEEE80211_STYPE_PSPOLL 0x00A0 85 #define IEEE80211_STYPE_RTS 0x00B0 86 #define IEEE80211_STYPE_CTS 0x00C0 87 #define IEEE80211_STYPE_ACK 0x00D0 88 #define IEEE80211_STYPE_CFEND 0x00E0 89 #define IEEE80211_STYPE_CFENDACK 0x00F0 90 91 /* data */ 92 #define IEEE80211_STYPE_DATA 0x0000 93 #define IEEE80211_STYPE_DATA_CFACK 0x0010 94 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 95 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 96 #define IEEE80211_STYPE_NULLFUNC 0x0040 97 #define IEEE80211_STYPE_CFACK 0x0050 98 #define IEEE80211_STYPE_CFPOLL 0x0060 99 #define IEEE80211_STYPE_CFACKPOLL 0x0070 100 #define IEEE80211_STYPE_QOS_DATA 0x0080 101 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 102 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 103 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 104 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 105 #define IEEE80211_STYPE_QOS_CFACK 0x00D0 106 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 107 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 108 109 /* extension, added by 802.11ad */ 110 #define IEEE80211_STYPE_DMG_BEACON 0x0000 111 112 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ 113 #define IEEE80211_CTL_EXT_POLL 0x2000 114 #define IEEE80211_CTL_EXT_SPR 0x3000 115 #define IEEE80211_CTL_EXT_GRANT 0x4000 116 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 117 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 118 #define IEEE80211_CTL_EXT_SSW 0x8000 119 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 120 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 121 122 123 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) 124 #define IEEE80211_MAX_SN IEEE80211_SN_MASK 125 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) 126 127 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) 128 { 129 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); 130 } 131 132 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) 133 { 134 return (sn1 + sn2) & IEEE80211_SN_MASK; 135 } 136 137 static inline u16 ieee80211_sn_inc(u16 sn) 138 { 139 return ieee80211_sn_add(sn, 1); 140 } 141 142 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) 143 { 144 return (sn1 - sn2) & IEEE80211_SN_MASK; 145 } 146 147 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 148 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 149 150 /* miscellaneous IEEE 802.11 constants */ 151 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 152 #define IEEE80211_MAX_RTS_THRESHOLD 2353 153 #define IEEE80211_MAX_AID 2007 154 #define IEEE80211_MAX_TIM_LEN 251 155 #define IEEE80211_MAX_MESH_PEERINGS 63 156 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 157 6.2.1.1.2. 158 159 802.11e clarifies the figure in section 7.1.2. The frame body is 160 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 161 #define IEEE80211_MAX_DATA_LEN 2304 162 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks 163 * to 7920 bytes, see 8.2.3 General frame format 164 */ 165 #define IEEE80211_MAX_DATA_LEN_DMG 7920 166 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 167 #define IEEE80211_MAX_FRAME_LEN 2352 168 169 /* Maximal size of an A-MSDU that can be transported in a HT BA session */ 170 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 171 172 /* Maximal size of an A-MSDU */ 173 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 174 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 175 176 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 177 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 178 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 179 180 #define IEEE80211_MAX_SSID_LEN 32 181 182 #define IEEE80211_MAX_MESH_ID_LEN 32 183 184 #define IEEE80211_FIRST_TSPEC_TSID 8 185 #define IEEE80211_NUM_TIDS 16 186 187 /* number of user priorities 802.11 uses */ 188 #define IEEE80211_NUM_UPS 8 189 /* number of ACs */ 190 #define IEEE80211_NUM_ACS 4 191 192 #define IEEE80211_QOS_CTL_LEN 2 193 /* 1d tag mask */ 194 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 195 /* TID mask */ 196 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 197 /* EOSP */ 198 #define IEEE80211_QOS_CTL_EOSP 0x0010 199 /* ACK policy */ 200 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 201 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 202 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 203 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 204 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 205 /* A-MSDU 802.11n */ 206 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 207 /* Mesh Control 802.11s */ 208 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 209 210 /* Mesh Power Save Level */ 211 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 212 /* Mesh Receiver Service Period Initiated */ 213 #define IEEE80211_QOS_CTL_RSPI 0x0400 214 215 /* U-APSD queue for WMM IEs sent by AP */ 216 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 217 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 218 219 /* U-APSD queues for WMM IEs sent by STA */ 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 223 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 224 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 225 226 /* U-APSD max SP length for WMM IEs sent by STA */ 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 230 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 231 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 232 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 233 234 #define IEEE80211_HT_CTL_LEN 4 235 236 struct ieee80211_hdr { 237 __le16 frame_control; 238 __le16 duration_id; 239 u8 addr1[ETH_ALEN]; 240 u8 addr2[ETH_ALEN]; 241 u8 addr3[ETH_ALEN]; 242 __le16 seq_ctrl; 243 u8 addr4[ETH_ALEN]; 244 } __packed __aligned(2); 245 246 struct ieee80211_hdr_3addr { 247 __le16 frame_control; 248 __le16 duration_id; 249 u8 addr1[ETH_ALEN]; 250 u8 addr2[ETH_ALEN]; 251 u8 addr3[ETH_ALEN]; 252 __le16 seq_ctrl; 253 } __packed __aligned(2); 254 255 struct ieee80211_qos_hdr { 256 __le16 frame_control; 257 __le16 duration_id; 258 u8 addr1[ETH_ALEN]; 259 u8 addr2[ETH_ALEN]; 260 u8 addr3[ETH_ALEN]; 261 __le16 seq_ctrl; 262 __le16 qos_ctrl; 263 } __packed __aligned(2); 264 265 /** 266 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 267 * @fc: frame control bytes in little-endian byteorder 268 */ 269 static inline bool ieee80211_has_tods(__le16 fc) 270 { 271 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 272 } 273 274 /** 275 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 276 * @fc: frame control bytes in little-endian byteorder 277 */ 278 static inline bool ieee80211_has_fromds(__le16 fc) 279 { 280 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 281 } 282 283 /** 284 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 285 * @fc: frame control bytes in little-endian byteorder 286 */ 287 static inline bool ieee80211_has_a4(__le16 fc) 288 { 289 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 290 return (fc & tmp) == tmp; 291 } 292 293 /** 294 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 295 * @fc: frame control bytes in little-endian byteorder 296 */ 297 static inline bool ieee80211_has_morefrags(__le16 fc) 298 { 299 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 300 } 301 302 /** 303 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 304 * @fc: frame control bytes in little-endian byteorder 305 */ 306 static inline bool ieee80211_has_retry(__le16 fc) 307 { 308 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 309 } 310 311 /** 312 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 313 * @fc: frame control bytes in little-endian byteorder 314 */ 315 static inline bool ieee80211_has_pm(__le16 fc) 316 { 317 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 318 } 319 320 /** 321 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 322 * @fc: frame control bytes in little-endian byteorder 323 */ 324 static inline bool ieee80211_has_moredata(__le16 fc) 325 { 326 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 327 } 328 329 /** 330 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 331 * @fc: frame control bytes in little-endian byteorder 332 */ 333 static inline bool ieee80211_has_protected(__le16 fc) 334 { 335 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 336 } 337 338 /** 339 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 340 * @fc: frame control bytes in little-endian byteorder 341 */ 342 static inline bool ieee80211_has_order(__le16 fc) 343 { 344 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 345 } 346 347 /** 348 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 349 * @fc: frame control bytes in little-endian byteorder 350 */ 351 static inline bool ieee80211_is_mgmt(__le16 fc) 352 { 353 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 354 cpu_to_le16(IEEE80211_FTYPE_MGMT); 355 } 356 357 /** 358 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 359 * @fc: frame control bytes in little-endian byteorder 360 */ 361 static inline bool ieee80211_is_ctl(__le16 fc) 362 { 363 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 364 cpu_to_le16(IEEE80211_FTYPE_CTL); 365 } 366 367 /** 368 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 369 * @fc: frame control bytes in little-endian byteorder 370 */ 371 static inline bool ieee80211_is_data(__le16 fc) 372 { 373 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 374 cpu_to_le16(IEEE80211_FTYPE_DATA); 375 } 376 377 /** 378 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 379 * @fc: frame control bytes in little-endian byteorder 380 */ 381 static inline bool ieee80211_is_data_qos(__le16 fc) 382 { 383 /* 384 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 385 * to check the one bit 386 */ 387 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 388 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 389 } 390 391 /** 392 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 393 * @fc: frame control bytes in little-endian byteorder 394 */ 395 static inline bool ieee80211_is_data_present(__le16 fc) 396 { 397 /* 398 * mask with 0x40 and test that that bit is clear to only return true 399 * for the data-containing substypes. 400 */ 401 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 402 cpu_to_le16(IEEE80211_FTYPE_DATA); 403 } 404 405 /** 406 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 407 * @fc: frame control bytes in little-endian byteorder 408 */ 409 static inline bool ieee80211_is_assoc_req(__le16 fc) 410 { 411 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 412 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 413 } 414 415 /** 416 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 417 * @fc: frame control bytes in little-endian byteorder 418 */ 419 static inline bool ieee80211_is_assoc_resp(__le16 fc) 420 { 421 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 422 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 423 } 424 425 /** 426 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 427 * @fc: frame control bytes in little-endian byteorder 428 */ 429 static inline bool ieee80211_is_reassoc_req(__le16 fc) 430 { 431 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 432 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 433 } 434 435 /** 436 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 437 * @fc: frame control bytes in little-endian byteorder 438 */ 439 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 440 { 441 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 442 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 443 } 444 445 /** 446 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 447 * @fc: frame control bytes in little-endian byteorder 448 */ 449 static inline bool ieee80211_is_probe_req(__le16 fc) 450 { 451 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 452 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 453 } 454 455 /** 456 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 457 * @fc: frame control bytes in little-endian byteorder 458 */ 459 static inline bool ieee80211_is_probe_resp(__le16 fc) 460 { 461 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 462 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 463 } 464 465 /** 466 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 467 * @fc: frame control bytes in little-endian byteorder 468 */ 469 static inline bool ieee80211_is_beacon(__le16 fc) 470 { 471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 472 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 473 } 474 475 /** 476 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 477 * @fc: frame control bytes in little-endian byteorder 478 */ 479 static inline bool ieee80211_is_atim(__le16 fc) 480 { 481 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 482 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 483 } 484 485 /** 486 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 487 * @fc: frame control bytes in little-endian byteorder 488 */ 489 static inline bool ieee80211_is_disassoc(__le16 fc) 490 { 491 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 492 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 493 } 494 495 /** 496 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 497 * @fc: frame control bytes in little-endian byteorder 498 */ 499 static inline bool ieee80211_is_auth(__le16 fc) 500 { 501 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 502 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 503 } 504 505 /** 506 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 507 * @fc: frame control bytes in little-endian byteorder 508 */ 509 static inline bool ieee80211_is_deauth(__le16 fc) 510 { 511 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 512 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 513 } 514 515 /** 516 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 517 * @fc: frame control bytes in little-endian byteorder 518 */ 519 static inline bool ieee80211_is_action(__le16 fc) 520 { 521 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 522 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 523 } 524 525 /** 526 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 527 * @fc: frame control bytes in little-endian byteorder 528 */ 529 static inline bool ieee80211_is_back_req(__le16 fc) 530 { 531 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 532 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 533 } 534 535 /** 536 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 537 * @fc: frame control bytes in little-endian byteorder 538 */ 539 static inline bool ieee80211_is_back(__le16 fc) 540 { 541 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 542 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 543 } 544 545 /** 546 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 547 * @fc: frame control bytes in little-endian byteorder 548 */ 549 static inline bool ieee80211_is_pspoll(__le16 fc) 550 { 551 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 552 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 553 } 554 555 /** 556 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 557 * @fc: frame control bytes in little-endian byteorder 558 */ 559 static inline bool ieee80211_is_rts(__le16 fc) 560 { 561 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 562 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 563 } 564 565 /** 566 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 567 * @fc: frame control bytes in little-endian byteorder 568 */ 569 static inline bool ieee80211_is_cts(__le16 fc) 570 { 571 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 572 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 573 } 574 575 /** 576 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 577 * @fc: frame control bytes in little-endian byteorder 578 */ 579 static inline bool ieee80211_is_ack(__le16 fc) 580 { 581 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 582 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 583 } 584 585 /** 586 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 587 * @fc: frame control bytes in little-endian byteorder 588 */ 589 static inline bool ieee80211_is_cfend(__le16 fc) 590 { 591 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 592 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 593 } 594 595 /** 596 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 597 * @fc: frame control bytes in little-endian byteorder 598 */ 599 static inline bool ieee80211_is_cfendack(__le16 fc) 600 { 601 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 602 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 603 } 604 605 /** 606 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 607 * @fc: frame control bytes in little-endian byteorder 608 */ 609 static inline bool ieee80211_is_nullfunc(__le16 fc) 610 { 611 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 612 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 613 } 614 615 /** 616 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 617 * @fc: frame control bytes in little-endian byteorder 618 */ 619 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 620 { 621 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 622 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 623 } 624 625 /** 626 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 627 * @fc: frame control field in little-endian byteorder 628 */ 629 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) 630 { 631 /* IEEE 802.11-2012, definition of "bufferable management frame"; 632 * note that this ignores the IBSS special case. */ 633 return ieee80211_is_mgmt(fc) && 634 (ieee80211_is_action(fc) || 635 ieee80211_is_disassoc(fc) || 636 ieee80211_is_deauth(fc)); 637 } 638 639 /** 640 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 641 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 642 */ 643 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 644 { 645 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 646 } 647 648 /** 649 * ieee80211_is_frag - check if a frame is a fragment 650 * @hdr: 802.11 header of the frame 651 */ 652 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 653 { 654 return ieee80211_has_morefrags(hdr->frame_control) || 655 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 656 } 657 658 struct ieee80211s_hdr { 659 u8 flags; 660 u8 ttl; 661 __le32 seqnum; 662 u8 eaddr1[ETH_ALEN]; 663 u8 eaddr2[ETH_ALEN]; 664 } __packed __aligned(2); 665 666 /* Mesh flags */ 667 #define MESH_FLAGS_AE_A4 0x1 668 #define MESH_FLAGS_AE_A5_A6 0x2 669 #define MESH_FLAGS_AE 0x3 670 #define MESH_FLAGS_PS_DEEP 0x4 671 672 /** 673 * enum ieee80211_preq_flags - mesh PREQ element flags 674 * 675 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 676 */ 677 enum ieee80211_preq_flags { 678 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 679 }; 680 681 /** 682 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 683 * 684 * @IEEE80211_PREQ_TO_FLAG: target only subfield 685 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 686 */ 687 enum ieee80211_preq_target_flags { 688 IEEE80211_PREQ_TO_FLAG = 1<<0, 689 IEEE80211_PREQ_USN_FLAG = 1<<2, 690 }; 691 692 /** 693 * struct ieee80211_quiet_ie 694 * 695 * This structure refers to "Quiet information element" 696 */ 697 struct ieee80211_quiet_ie { 698 u8 count; 699 u8 period; 700 __le16 duration; 701 __le16 offset; 702 } __packed; 703 704 /** 705 * struct ieee80211_msrment_ie 706 * 707 * This structure refers to "Measurement Request/Report information element" 708 */ 709 struct ieee80211_msrment_ie { 710 u8 token; 711 u8 mode; 712 u8 type; 713 u8 request[0]; 714 } __packed; 715 716 /** 717 * struct ieee80211_channel_sw_ie 718 * 719 * This structure refers to "Channel Switch Announcement information element" 720 */ 721 struct ieee80211_channel_sw_ie { 722 u8 mode; 723 u8 new_ch_num; 724 u8 count; 725 } __packed; 726 727 /** 728 * struct ieee80211_ext_chansw_ie 729 * 730 * This structure represents the "Extended Channel Switch Announcement element" 731 */ 732 struct ieee80211_ext_chansw_ie { 733 u8 mode; 734 u8 new_operating_class; 735 u8 new_ch_num; 736 u8 count; 737 } __packed; 738 739 /** 740 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 741 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 742 * values here 743 * This structure represents the "Secondary Channel Offset element" 744 */ 745 struct ieee80211_sec_chan_offs_ie { 746 u8 sec_chan_offs; 747 } __packed; 748 749 /** 750 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 751 * 752 * This structure represents the "Mesh Channel Switch Paramters element" 753 */ 754 struct ieee80211_mesh_chansw_params_ie { 755 u8 mesh_ttl; 756 u8 mesh_flags; 757 __le16 mesh_reason; 758 __le16 mesh_pre_value; 759 } __packed; 760 761 /** 762 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 763 */ 764 struct ieee80211_wide_bw_chansw_ie { 765 u8 new_channel_width; 766 u8 new_center_freq_seg0, new_center_freq_seg1; 767 } __packed; 768 769 /** 770 * struct ieee80211_tim 771 * 772 * This structure refers to "Traffic Indication Map information element" 773 */ 774 struct ieee80211_tim_ie { 775 u8 dtim_count; 776 u8 dtim_period; 777 u8 bitmap_ctrl; 778 /* variable size: 1 - 251 bytes */ 779 u8 virtual_map[1]; 780 } __packed; 781 782 /** 783 * struct ieee80211_meshconf_ie 784 * 785 * This structure refers to "Mesh Configuration information element" 786 */ 787 struct ieee80211_meshconf_ie { 788 u8 meshconf_psel; 789 u8 meshconf_pmetric; 790 u8 meshconf_congest; 791 u8 meshconf_synch; 792 u8 meshconf_auth; 793 u8 meshconf_form; 794 u8 meshconf_cap; 795 } __packed; 796 797 /** 798 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 799 * 800 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 801 * additional mesh peerings with other mesh STAs 802 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 803 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 804 * is ongoing 805 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 806 * neighbors in deep sleep mode 807 */ 808 enum mesh_config_capab_flags { 809 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 810 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 811 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 812 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 813 }; 814 815 /** 816 * mesh channel switch parameters element's flag indicator 817 * 818 */ 819 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 820 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 821 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 822 823 /** 824 * struct ieee80211_rann_ie 825 * 826 * This structure refers to "Root Announcement information element" 827 */ 828 struct ieee80211_rann_ie { 829 u8 rann_flags; 830 u8 rann_hopcount; 831 u8 rann_ttl; 832 u8 rann_addr[ETH_ALEN]; 833 __le32 rann_seq; 834 __le32 rann_interval; 835 __le32 rann_metric; 836 } __packed; 837 838 enum ieee80211_rann_flags { 839 RANN_FLAG_IS_GATE = 1 << 0, 840 }; 841 842 enum ieee80211_ht_chanwidth_values { 843 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 844 IEEE80211_HT_CHANWIDTH_ANY = 1, 845 }; 846 847 /** 848 * enum ieee80211_opmode_bits - VHT operating mode field bits 849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 853 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 854 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 855 * (the NSS value is the value of this field + 1) 856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 857 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 858 * using a beamforming steering matrix 859 */ 860 enum ieee80211_vht_opmode_bits { 861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 862 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 865 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 866 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 867 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 868 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 869 }; 870 871 #define WLAN_SA_QUERY_TR_ID_LEN 2 872 #define WLAN_MEMBERSHIP_LEN 8 873 #define WLAN_USER_POSITION_LEN 16 874 875 /** 876 * struct ieee80211_tpc_report_ie 877 * 878 * This structure refers to "TPC Report element" 879 */ 880 struct ieee80211_tpc_report_ie { 881 u8 tx_power; 882 u8 link_margin; 883 } __packed; 884 885 struct ieee80211_mgmt { 886 __le16 frame_control; 887 __le16 duration; 888 u8 da[ETH_ALEN]; 889 u8 sa[ETH_ALEN]; 890 u8 bssid[ETH_ALEN]; 891 __le16 seq_ctrl; 892 union { 893 struct { 894 __le16 auth_alg; 895 __le16 auth_transaction; 896 __le16 status_code; 897 /* possibly followed by Challenge text */ 898 u8 variable[0]; 899 } __packed auth; 900 struct { 901 __le16 reason_code; 902 } __packed deauth; 903 struct { 904 __le16 capab_info; 905 __le16 listen_interval; 906 /* followed by SSID and Supported rates */ 907 u8 variable[0]; 908 } __packed assoc_req; 909 struct { 910 __le16 capab_info; 911 __le16 status_code; 912 __le16 aid; 913 /* followed by Supported rates */ 914 u8 variable[0]; 915 } __packed assoc_resp, reassoc_resp; 916 struct { 917 __le16 capab_info; 918 __le16 listen_interval; 919 u8 current_ap[ETH_ALEN]; 920 /* followed by SSID and Supported rates */ 921 u8 variable[0]; 922 } __packed reassoc_req; 923 struct { 924 __le16 reason_code; 925 } __packed disassoc; 926 struct { 927 __le64 timestamp; 928 __le16 beacon_int; 929 __le16 capab_info; 930 /* followed by some of SSID, Supported rates, 931 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 932 u8 variable[0]; 933 } __packed beacon; 934 struct { 935 /* only variable items: SSID, Supported rates */ 936 u8 variable[0]; 937 } __packed probe_req; 938 struct { 939 __le64 timestamp; 940 __le16 beacon_int; 941 __le16 capab_info; 942 /* followed by some of SSID, Supported rates, 943 * FH Params, DS Params, CF Params, IBSS Params */ 944 u8 variable[0]; 945 } __packed probe_resp; 946 struct { 947 u8 category; 948 union { 949 struct { 950 u8 action_code; 951 u8 dialog_token; 952 u8 status_code; 953 u8 variable[0]; 954 } __packed wme_action; 955 struct{ 956 u8 action_code; 957 u8 variable[0]; 958 } __packed chan_switch; 959 struct{ 960 u8 action_code; 961 struct ieee80211_ext_chansw_ie data; 962 u8 variable[0]; 963 } __packed ext_chan_switch; 964 struct{ 965 u8 action_code; 966 u8 dialog_token; 967 u8 element_id; 968 u8 length; 969 struct ieee80211_msrment_ie msr_elem; 970 } __packed measurement; 971 struct{ 972 u8 action_code; 973 u8 dialog_token; 974 __le16 capab; 975 __le16 timeout; 976 __le16 start_seq_num; 977 } __packed addba_req; 978 struct{ 979 u8 action_code; 980 u8 dialog_token; 981 __le16 status; 982 __le16 capab; 983 __le16 timeout; 984 } __packed addba_resp; 985 struct{ 986 u8 action_code; 987 __le16 params; 988 __le16 reason_code; 989 } __packed delba; 990 struct { 991 u8 action_code; 992 u8 variable[0]; 993 } __packed self_prot; 994 struct{ 995 u8 action_code; 996 u8 variable[0]; 997 } __packed mesh_action; 998 struct { 999 u8 action; 1000 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1001 } __packed sa_query; 1002 struct { 1003 u8 action; 1004 u8 smps_control; 1005 } __packed ht_smps; 1006 struct { 1007 u8 action_code; 1008 u8 chanwidth; 1009 } __packed ht_notify_cw; 1010 struct { 1011 u8 action_code; 1012 u8 dialog_token; 1013 __le16 capability; 1014 u8 variable[0]; 1015 } __packed tdls_discover_resp; 1016 struct { 1017 u8 action_code; 1018 u8 operating_mode; 1019 } __packed vht_opmode_notif; 1020 struct { 1021 u8 action_code; 1022 u8 membership[WLAN_MEMBERSHIP_LEN]; 1023 u8 position[WLAN_USER_POSITION_LEN]; 1024 } __packed vht_group_notif; 1025 struct { 1026 u8 action_code; 1027 u8 dialog_token; 1028 u8 tpc_elem_id; 1029 u8 tpc_elem_length; 1030 struct ieee80211_tpc_report_ie tpc; 1031 } __packed tpc_report; 1032 struct { 1033 u8 action_code; 1034 u8 dialog_token; 1035 u8 follow_up; 1036 u8 tod[6]; 1037 u8 toa[6]; 1038 __le16 tod_error; 1039 __le16 toa_error; 1040 u8 variable[0]; 1041 } __packed ftm; 1042 } u; 1043 } __packed action; 1044 } u; 1045 } __packed __aligned(2); 1046 1047 /* Supported rates membership selectors */ 1048 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1049 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1050 1051 /* mgmt header + 1 byte category code */ 1052 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1053 1054 1055 /* Management MIC information element (IEEE 802.11w) */ 1056 struct ieee80211_mmie { 1057 u8 element_id; 1058 u8 length; 1059 __le16 key_id; 1060 u8 sequence_number[6]; 1061 u8 mic[8]; 1062 } __packed; 1063 1064 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1065 struct ieee80211_mmie_16 { 1066 u8 element_id; 1067 u8 length; 1068 __le16 key_id; 1069 u8 sequence_number[6]; 1070 u8 mic[16]; 1071 } __packed; 1072 1073 struct ieee80211_vendor_ie { 1074 u8 element_id; 1075 u8 len; 1076 u8 oui[3]; 1077 u8 oui_type; 1078 } __packed; 1079 1080 struct ieee80211_wmm_ac_param { 1081 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1082 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1083 __le16 txop_limit; 1084 } __packed; 1085 1086 struct ieee80211_wmm_param_ie { 1087 u8 element_id; /* Element ID: 221 (0xdd); */ 1088 u8 len; /* Length: 24 */ 1089 /* required fields for WMM version 1 */ 1090 u8 oui[3]; /* 00:50:f2 */ 1091 u8 oui_type; /* 2 */ 1092 u8 oui_subtype; /* 1 */ 1093 u8 version; /* 1 for WMM version 1.0 */ 1094 u8 qos_info; /* AP/STA specific QoS info */ 1095 u8 reserved; /* 0 */ 1096 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1097 struct ieee80211_wmm_ac_param ac[4]; 1098 } __packed; 1099 1100 /* Control frames */ 1101 struct ieee80211_rts { 1102 __le16 frame_control; 1103 __le16 duration; 1104 u8 ra[ETH_ALEN]; 1105 u8 ta[ETH_ALEN]; 1106 } __packed __aligned(2); 1107 1108 struct ieee80211_cts { 1109 __le16 frame_control; 1110 __le16 duration; 1111 u8 ra[ETH_ALEN]; 1112 } __packed __aligned(2); 1113 1114 struct ieee80211_pspoll { 1115 __le16 frame_control; 1116 __le16 aid; 1117 u8 bssid[ETH_ALEN]; 1118 u8 ta[ETH_ALEN]; 1119 } __packed __aligned(2); 1120 1121 /* TDLS */ 1122 1123 /* Channel switch timing */ 1124 struct ieee80211_ch_switch_timing { 1125 __le16 switch_time; 1126 __le16 switch_timeout; 1127 } __packed; 1128 1129 /* Link-id information element */ 1130 struct ieee80211_tdls_lnkie { 1131 u8 ie_type; /* Link Identifier IE */ 1132 u8 ie_len; 1133 u8 bssid[ETH_ALEN]; 1134 u8 init_sta[ETH_ALEN]; 1135 u8 resp_sta[ETH_ALEN]; 1136 } __packed; 1137 1138 struct ieee80211_tdls_data { 1139 u8 da[ETH_ALEN]; 1140 u8 sa[ETH_ALEN]; 1141 __be16 ether_type; 1142 u8 payload_type; 1143 u8 category; 1144 u8 action_code; 1145 union { 1146 struct { 1147 u8 dialog_token; 1148 __le16 capability; 1149 u8 variable[0]; 1150 } __packed setup_req; 1151 struct { 1152 __le16 status_code; 1153 u8 dialog_token; 1154 __le16 capability; 1155 u8 variable[0]; 1156 } __packed setup_resp; 1157 struct { 1158 __le16 status_code; 1159 u8 dialog_token; 1160 u8 variable[0]; 1161 } __packed setup_cfm; 1162 struct { 1163 __le16 reason_code; 1164 u8 variable[0]; 1165 } __packed teardown; 1166 struct { 1167 u8 dialog_token; 1168 u8 variable[0]; 1169 } __packed discover_req; 1170 struct { 1171 u8 target_channel; 1172 u8 oper_class; 1173 u8 variable[0]; 1174 } __packed chan_switch_req; 1175 struct { 1176 __le16 status_code; 1177 u8 variable[0]; 1178 } __packed chan_switch_resp; 1179 } u; 1180 } __packed; 1181 1182 /* 1183 * Peer-to-Peer IE attribute related definitions. 1184 */ 1185 /** 1186 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1187 */ 1188 enum ieee80211_p2p_attr_id { 1189 IEEE80211_P2P_ATTR_STATUS = 0, 1190 IEEE80211_P2P_ATTR_MINOR_REASON, 1191 IEEE80211_P2P_ATTR_CAPABILITY, 1192 IEEE80211_P2P_ATTR_DEVICE_ID, 1193 IEEE80211_P2P_ATTR_GO_INTENT, 1194 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1195 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1196 IEEE80211_P2P_ATTR_GROUP_BSSID, 1197 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1198 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1199 IEEE80211_P2P_ATTR_MANAGABILITY, 1200 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1201 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1202 IEEE80211_P2P_ATTR_DEVICE_INFO, 1203 IEEE80211_P2P_ATTR_GROUP_INFO, 1204 IEEE80211_P2P_ATTR_GROUP_ID, 1205 IEEE80211_P2P_ATTR_INTERFACE, 1206 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1207 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1208 /* 19 - 220: Reserved */ 1209 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1210 1211 IEEE80211_P2P_ATTR_MAX 1212 }; 1213 1214 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1215 /* Typical max value used here */ 1216 #define IEEE80211_P2P_NOA_DESC_MAX 4 1217 1218 struct ieee80211_p2p_noa_desc { 1219 u8 count; 1220 __le32 duration; 1221 __le32 interval; 1222 __le32 start_time; 1223 } __packed; 1224 1225 struct ieee80211_p2p_noa_attr { 1226 u8 index; 1227 u8 oppps_ctwindow; 1228 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1229 } __packed; 1230 1231 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1232 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1233 1234 /** 1235 * struct ieee80211_bar - HT Block Ack Request 1236 * 1237 * This structure refers to "HT BlockAckReq" as 1238 * described in 802.11n draft section 7.2.1.7.1 1239 */ 1240 struct ieee80211_bar { 1241 __le16 frame_control; 1242 __le16 duration; 1243 __u8 ra[ETH_ALEN]; 1244 __u8 ta[ETH_ALEN]; 1245 __le16 control; 1246 __le16 start_seq_num; 1247 } __packed; 1248 1249 /* 802.11 BAR control masks */ 1250 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1251 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1252 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1253 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1254 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1255 1256 #define IEEE80211_HT_MCS_MASK_LEN 10 1257 1258 /** 1259 * struct ieee80211_mcs_info - MCS information 1260 * @rx_mask: RX mask 1261 * @rx_highest: highest supported RX rate. If set represents 1262 * the highest supported RX data rate in units of 1 Mbps. 1263 * If this field is 0 this value should not be used to 1264 * consider the highest RX data rate supported. 1265 * @tx_params: TX parameters 1266 */ 1267 struct ieee80211_mcs_info { 1268 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1269 __le16 rx_highest; 1270 u8 tx_params; 1271 u8 reserved[3]; 1272 } __packed; 1273 1274 /* 802.11n HT capability MSC set */ 1275 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1276 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1277 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1278 /* value 0 == 1 stream etc */ 1279 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1280 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1281 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1282 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1283 1284 /* 1285 * 802.11n D5.0 20.3.5 / 20.6 says: 1286 * - indices 0 to 7 and 32 are single spatial stream 1287 * - 8 to 31 are multiple spatial streams using equal modulation 1288 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1289 * - remainder are multiple spatial streams using unequal modulation 1290 */ 1291 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1292 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1293 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1294 1295 /** 1296 * struct ieee80211_ht_cap - HT capabilities 1297 * 1298 * This structure is the "HT capabilities element" as 1299 * described in 802.11n D5.0 7.3.2.57 1300 */ 1301 struct ieee80211_ht_cap { 1302 __le16 cap_info; 1303 u8 ampdu_params_info; 1304 1305 /* 16 bytes MCS information */ 1306 struct ieee80211_mcs_info mcs; 1307 1308 __le16 extended_ht_cap_info; 1309 __le32 tx_BF_cap_info; 1310 u8 antenna_selection_info; 1311 } __packed; 1312 1313 /* 802.11n HT capabilities masks (for cap_info) */ 1314 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1315 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1316 #define IEEE80211_HT_CAP_SM_PS 0x000C 1317 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1318 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1319 #define IEEE80211_HT_CAP_SGI_20 0x0020 1320 #define IEEE80211_HT_CAP_SGI_40 0x0040 1321 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1322 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1323 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1324 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1325 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1326 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1327 #define IEEE80211_HT_CAP_RESERVED 0x2000 1328 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1329 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1330 1331 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1332 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1333 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1334 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1335 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1336 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1337 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1338 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1339 1340 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1341 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1342 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1343 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1344 1345 /* 1346 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1347 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1348 */ 1349 enum ieee80211_max_ampdu_length_exp { 1350 IEEE80211_HT_MAX_AMPDU_8K = 0, 1351 IEEE80211_HT_MAX_AMPDU_16K = 1, 1352 IEEE80211_HT_MAX_AMPDU_32K = 2, 1353 IEEE80211_HT_MAX_AMPDU_64K = 3 1354 }; 1355 1356 /* 1357 * Maximum length of AMPDU that the STA can receive in VHT. 1358 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1359 */ 1360 enum ieee80211_vht_max_ampdu_length_exp { 1361 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1362 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1363 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1364 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1365 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1366 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1367 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1368 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1369 }; 1370 1371 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1372 1373 /* Minimum MPDU start spacing */ 1374 enum ieee80211_min_mpdu_spacing { 1375 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1376 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1377 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1378 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1379 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1380 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1381 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1382 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1383 }; 1384 1385 /** 1386 * struct ieee80211_ht_operation - HT operation IE 1387 * 1388 * This structure is the "HT operation element" as 1389 * described in 802.11n-2009 7.3.2.57 1390 */ 1391 struct ieee80211_ht_operation { 1392 u8 primary_chan; 1393 u8 ht_param; 1394 __le16 operation_mode; 1395 __le16 stbc_param; 1396 u8 basic_set[16]; 1397 } __packed; 1398 1399 /* for ht_param */ 1400 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1401 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1402 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1403 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1404 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1405 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1406 1407 /* for operation_mode */ 1408 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1409 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1410 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1411 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1412 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1413 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1414 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1415 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5 1416 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0 1417 1418 /* for stbc_param */ 1419 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1420 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1421 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1422 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1423 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1424 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1425 1426 1427 /* block-ack parameters */ 1428 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1429 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1430 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1431 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1432 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1433 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1434 1435 /* 1436 * A-PMDU buffer sizes 1437 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) 1438 */ 1439 #define IEEE80211_MIN_AMPDU_BUF 0x8 1440 #define IEEE80211_MAX_AMPDU_BUF 0x40 1441 1442 1443 /* Spatial Multiplexing Power Save Modes (for capability) */ 1444 #define WLAN_HT_CAP_SM_PS_STATIC 0 1445 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1446 #define WLAN_HT_CAP_SM_PS_INVALID 2 1447 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1448 1449 /* for SM power control field lower two bits */ 1450 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1451 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1452 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1453 1454 /** 1455 * struct ieee80211_vht_mcs_info - VHT MCS information 1456 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1457 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1458 * STA can receive. Rate expressed in units of 1 Mbps. 1459 * If this field is 0 this value should not be used to 1460 * consider the highest RX data rate supported. 1461 * The top 3 bits of this field are reserved. 1462 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1463 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1464 * STA can transmit. Rate expressed in units of 1 Mbps. 1465 * If this field is 0 this value should not be used to 1466 * consider the highest TX data rate supported. 1467 * The top 3 bits of this field are reserved. 1468 */ 1469 struct ieee80211_vht_mcs_info { 1470 __le16 rx_mcs_map; 1471 __le16 rx_highest; 1472 __le16 tx_mcs_map; 1473 __le16 tx_highest; 1474 } __packed; 1475 1476 /** 1477 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1478 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1479 * number of streams 1480 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1481 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1482 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1483 * 1484 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1485 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1486 * both split into 8 subfields by number of streams. These values indicate 1487 * which MCSes are supported for the number of streams the value appears 1488 * for. 1489 */ 1490 enum ieee80211_vht_mcs_support { 1491 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1492 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1493 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1494 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1495 }; 1496 1497 /** 1498 * struct ieee80211_vht_cap - VHT capabilities 1499 * 1500 * This structure is the "VHT capabilities element" as 1501 * described in 802.11ac D3.0 8.4.2.160 1502 * @vht_cap_info: VHT capability info 1503 * @supp_mcs: VHT MCS supported rates 1504 */ 1505 struct ieee80211_vht_cap { 1506 __le32 vht_cap_info; 1507 struct ieee80211_vht_mcs_info supp_mcs; 1508 } __packed; 1509 1510 /** 1511 * enum ieee80211_vht_chanwidth - VHT channel width 1512 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1513 * determine the channel width (20 or 40 MHz) 1514 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1515 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1516 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1517 */ 1518 enum ieee80211_vht_chanwidth { 1519 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1520 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1521 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1522 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1523 }; 1524 1525 /** 1526 * struct ieee80211_vht_operation - VHT operation IE 1527 * 1528 * This structure is the "VHT operation element" as 1529 * described in 802.11ac D3.0 8.4.2.161 1530 * @chan_width: Operating channel width 1531 * @center_freq_seg0_idx: center freq segment 0 index 1532 * @center_freq_seg1_idx: center freq segment 1 index 1533 * @basic_mcs_set: VHT Basic MCS rate set 1534 */ 1535 struct ieee80211_vht_operation { 1536 u8 chan_width; 1537 u8 center_freq_seg0_idx; 1538 u8 center_freq_seg1_idx; 1539 __le16 basic_mcs_set; 1540 } __packed; 1541 1542 1543 /* 802.11ac VHT Capabilities */ 1544 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1545 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1546 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1547 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1548 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1549 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1550 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1551 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1552 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1553 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1554 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1555 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1556 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1557 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1558 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1559 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1560 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1561 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1562 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1563 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1564 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1565 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1566 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1567 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1568 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1569 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1570 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1571 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1572 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1573 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1574 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1575 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1576 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1577 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1578 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1579 1580 /* Authentication algorithms */ 1581 #define WLAN_AUTH_OPEN 0 1582 #define WLAN_AUTH_SHARED_KEY 1 1583 #define WLAN_AUTH_FT 2 1584 #define WLAN_AUTH_SAE 3 1585 #define WLAN_AUTH_FILS_SK 4 1586 #define WLAN_AUTH_FILS_SK_PFS 5 1587 #define WLAN_AUTH_FILS_PK 6 1588 #define WLAN_AUTH_LEAP 128 1589 1590 #define WLAN_AUTH_CHALLENGE_LEN 128 1591 1592 #define WLAN_CAPABILITY_ESS (1<<0) 1593 #define WLAN_CAPABILITY_IBSS (1<<1) 1594 1595 /* 1596 * A mesh STA sets the ESS and IBSS capability bits to zero. 1597 * however, this holds true for p2p probe responses (in the p2p_find 1598 * phase) as well. 1599 */ 1600 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 1601 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 1602 1603 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 1604 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 1605 #define WLAN_CAPABILITY_PRIVACY (1<<4) 1606 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 1607 #define WLAN_CAPABILITY_PBCC (1<<6) 1608 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 1609 1610 /* 802.11h */ 1611 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 1612 #define WLAN_CAPABILITY_QOS (1<<9) 1613 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 1614 #define WLAN_CAPABILITY_APSD (1<<11) 1615 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 1616 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 1617 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 1618 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 1619 1620 /* DMG (60gHz) 802.11ad */ 1621 /* type - bits 0..1 */ 1622 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 1623 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 1624 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 1625 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 1626 1627 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 1628 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 1629 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 1630 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 1631 1632 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 1633 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 1634 1635 /* measurement */ 1636 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 1637 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 1638 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 1639 1640 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 1641 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 1642 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 1643 1644 /* 802.11g ERP information element */ 1645 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 1646 #define WLAN_ERP_USE_PROTECTION (1<<1) 1647 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 1648 1649 /* WLAN_ERP_BARKER_PREAMBLE values */ 1650 enum { 1651 WLAN_ERP_PREAMBLE_SHORT = 0, 1652 WLAN_ERP_PREAMBLE_LONG = 1, 1653 }; 1654 1655 /* Band ID, 802.11ad #8.4.1.45 */ 1656 enum { 1657 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 1658 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 1659 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 1660 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 1661 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 1662 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 1663 }; 1664 1665 /* Status codes */ 1666 enum ieee80211_statuscode { 1667 WLAN_STATUS_SUCCESS = 0, 1668 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 1669 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 1670 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 1671 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 1672 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 1673 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 1674 WLAN_STATUS_CHALLENGE_FAIL = 15, 1675 WLAN_STATUS_AUTH_TIMEOUT = 16, 1676 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 1677 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 1678 /* 802.11b */ 1679 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 1680 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 1681 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 1682 /* 802.11h */ 1683 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 1684 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 1685 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 1686 /* 802.11g */ 1687 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 1688 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 1689 /* 802.11w */ 1690 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 1691 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 1692 /* 802.11i */ 1693 WLAN_STATUS_INVALID_IE = 40, 1694 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 1695 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 1696 WLAN_STATUS_INVALID_AKMP = 43, 1697 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 1698 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 1699 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 1700 /* 802.11e */ 1701 WLAN_STATUS_UNSPECIFIED_QOS = 32, 1702 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 1703 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 1704 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 1705 WLAN_STATUS_REQUEST_DECLINED = 37, 1706 WLAN_STATUS_INVALID_QOS_PARAM = 38, 1707 WLAN_STATUS_CHANGE_TSPEC = 39, 1708 WLAN_STATUS_WAIT_TS_DELAY = 47, 1709 WLAN_STATUS_NO_DIRECT_LINK = 48, 1710 WLAN_STATUS_STA_NOT_PRESENT = 49, 1711 WLAN_STATUS_STA_NOT_QSTA = 50, 1712 /* 802.11s */ 1713 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 1714 WLAN_STATUS_FCG_NOT_SUPP = 78, 1715 WLAN_STATUS_STA_NO_TBTT = 78, 1716 /* 802.11ad */ 1717 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 1718 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 1719 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 1720 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 1721 WLAN_STATUS_PERFORMING_FST_NOW = 87, 1722 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 1723 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 1724 WLAN_STATUS_REJECT_DSE_BAND = 96, 1725 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 1726 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 1727 /* 802.11ai */ 1728 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, 1729 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, 1730 }; 1731 1732 1733 /* Reason codes */ 1734 enum ieee80211_reasoncode { 1735 WLAN_REASON_UNSPECIFIED = 1, 1736 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 1737 WLAN_REASON_DEAUTH_LEAVING = 3, 1738 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 1739 WLAN_REASON_DISASSOC_AP_BUSY = 5, 1740 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 1741 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 1742 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 1743 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 1744 /* 802.11h */ 1745 WLAN_REASON_DISASSOC_BAD_POWER = 10, 1746 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 1747 /* 802.11i */ 1748 WLAN_REASON_INVALID_IE = 13, 1749 WLAN_REASON_MIC_FAILURE = 14, 1750 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 1751 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 1752 WLAN_REASON_IE_DIFFERENT = 17, 1753 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 1754 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 1755 WLAN_REASON_INVALID_AKMP = 20, 1756 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 1757 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 1758 WLAN_REASON_IEEE8021X_FAILED = 23, 1759 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 1760 /* TDLS (802.11z) */ 1761 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 1762 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 1763 /* 802.11e */ 1764 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 1765 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 1766 WLAN_REASON_DISASSOC_LOW_ACK = 34, 1767 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 1768 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 1769 WLAN_REASON_QSTA_NOT_USE = 37, 1770 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 1771 WLAN_REASON_QSTA_TIMEOUT = 39, 1772 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 1773 /* 802.11s */ 1774 WLAN_REASON_MESH_PEER_CANCELED = 52, 1775 WLAN_REASON_MESH_MAX_PEERS = 53, 1776 WLAN_REASON_MESH_CONFIG = 54, 1777 WLAN_REASON_MESH_CLOSE = 55, 1778 WLAN_REASON_MESH_MAX_RETRIES = 56, 1779 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 1780 WLAN_REASON_MESH_INVALID_GTK = 58, 1781 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 1782 WLAN_REASON_MESH_INVALID_SECURITY = 60, 1783 WLAN_REASON_MESH_PATH_ERROR = 61, 1784 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 1785 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 1786 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 1787 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 1788 WLAN_REASON_MESH_CHAN = 66, 1789 }; 1790 1791 1792 /* Information Element IDs */ 1793 enum ieee80211_eid { 1794 WLAN_EID_SSID = 0, 1795 WLAN_EID_SUPP_RATES = 1, 1796 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 1797 WLAN_EID_DS_PARAMS = 3, 1798 WLAN_EID_CF_PARAMS = 4, 1799 WLAN_EID_TIM = 5, 1800 WLAN_EID_IBSS_PARAMS = 6, 1801 WLAN_EID_COUNTRY = 7, 1802 /* 8, 9 reserved */ 1803 WLAN_EID_REQUEST = 10, 1804 WLAN_EID_QBSS_LOAD = 11, 1805 WLAN_EID_EDCA_PARAM_SET = 12, 1806 WLAN_EID_TSPEC = 13, 1807 WLAN_EID_TCLAS = 14, 1808 WLAN_EID_SCHEDULE = 15, 1809 WLAN_EID_CHALLENGE = 16, 1810 /* 17-31 reserved for challenge text extension */ 1811 WLAN_EID_PWR_CONSTRAINT = 32, 1812 WLAN_EID_PWR_CAPABILITY = 33, 1813 WLAN_EID_TPC_REQUEST = 34, 1814 WLAN_EID_TPC_REPORT = 35, 1815 WLAN_EID_SUPPORTED_CHANNELS = 36, 1816 WLAN_EID_CHANNEL_SWITCH = 37, 1817 WLAN_EID_MEASURE_REQUEST = 38, 1818 WLAN_EID_MEASURE_REPORT = 39, 1819 WLAN_EID_QUIET = 40, 1820 WLAN_EID_IBSS_DFS = 41, 1821 WLAN_EID_ERP_INFO = 42, 1822 WLAN_EID_TS_DELAY = 43, 1823 WLAN_EID_TCLAS_PROCESSING = 44, 1824 WLAN_EID_HT_CAPABILITY = 45, 1825 WLAN_EID_QOS_CAPA = 46, 1826 /* 47 reserved for Broadcom */ 1827 WLAN_EID_RSN = 48, 1828 WLAN_EID_802_15_COEX = 49, 1829 WLAN_EID_EXT_SUPP_RATES = 50, 1830 WLAN_EID_AP_CHAN_REPORT = 51, 1831 WLAN_EID_NEIGHBOR_REPORT = 52, 1832 WLAN_EID_RCPI = 53, 1833 WLAN_EID_MOBILITY_DOMAIN = 54, 1834 WLAN_EID_FAST_BSS_TRANSITION = 55, 1835 WLAN_EID_TIMEOUT_INTERVAL = 56, 1836 WLAN_EID_RIC_DATA = 57, 1837 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 1838 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 1839 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 1840 WLAN_EID_HT_OPERATION = 61, 1841 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 1842 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 1843 WLAN_EID_ANTENNA_INFO = 64, 1844 WLAN_EID_RSNI = 65, 1845 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 1846 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 1847 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 1848 WLAN_EID_TIME_ADVERTISEMENT = 69, 1849 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 1850 WLAN_EID_MULTIPLE_BSSID = 71, 1851 WLAN_EID_BSS_COEX_2040 = 72, 1852 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 1853 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 1854 WLAN_EID_RIC_DESCRIPTOR = 75, 1855 WLAN_EID_MMIE = 76, 1856 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 1857 WLAN_EID_EVENT_REQUEST = 78, 1858 WLAN_EID_EVENT_REPORT = 79, 1859 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 1860 WLAN_EID_DIAGNOSTIC_REPORT = 81, 1861 WLAN_EID_LOCATION_PARAMS = 82, 1862 WLAN_EID_NON_TX_BSSID_CAP = 83, 1863 WLAN_EID_SSID_LIST = 84, 1864 WLAN_EID_MULTI_BSSID_IDX = 85, 1865 WLAN_EID_FMS_DESCRIPTOR = 86, 1866 WLAN_EID_FMS_REQUEST = 87, 1867 WLAN_EID_FMS_RESPONSE = 88, 1868 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 1869 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 1870 WLAN_EID_TSF_REQUEST = 91, 1871 WLAN_EID_TSF_RESPOSNE = 92, 1872 WLAN_EID_WNM_SLEEP_MODE = 93, 1873 WLAN_EID_TIM_BCAST_REQ = 94, 1874 WLAN_EID_TIM_BCAST_RESP = 95, 1875 WLAN_EID_COLL_IF_REPORT = 96, 1876 WLAN_EID_CHANNEL_USAGE = 97, 1877 WLAN_EID_TIME_ZONE = 98, 1878 WLAN_EID_DMS_REQUEST = 99, 1879 WLAN_EID_DMS_RESPONSE = 100, 1880 WLAN_EID_LINK_ID = 101, 1881 WLAN_EID_WAKEUP_SCHEDUL = 102, 1882 /* 103 reserved */ 1883 WLAN_EID_CHAN_SWITCH_TIMING = 104, 1884 WLAN_EID_PTI_CONTROL = 105, 1885 WLAN_EID_PU_BUFFER_STATUS = 106, 1886 WLAN_EID_INTERWORKING = 107, 1887 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 1888 WLAN_EID_EXPEDITED_BW_REQ = 109, 1889 WLAN_EID_QOS_MAP_SET = 110, 1890 WLAN_EID_ROAMING_CONSORTIUM = 111, 1891 WLAN_EID_EMERGENCY_ALERT = 112, 1892 WLAN_EID_MESH_CONFIG = 113, 1893 WLAN_EID_MESH_ID = 114, 1894 WLAN_EID_LINK_METRIC_REPORT = 115, 1895 WLAN_EID_CONGESTION_NOTIFICATION = 116, 1896 WLAN_EID_PEER_MGMT = 117, 1897 WLAN_EID_CHAN_SWITCH_PARAM = 118, 1898 WLAN_EID_MESH_AWAKE_WINDOW = 119, 1899 WLAN_EID_BEACON_TIMING = 120, 1900 WLAN_EID_MCCAOP_SETUP_REQ = 121, 1901 WLAN_EID_MCCAOP_SETUP_RESP = 122, 1902 WLAN_EID_MCCAOP_ADVERT = 123, 1903 WLAN_EID_MCCAOP_TEARDOWN = 124, 1904 WLAN_EID_GANN = 125, 1905 WLAN_EID_RANN = 126, 1906 WLAN_EID_EXT_CAPABILITY = 127, 1907 /* 128, 129 reserved for Agere */ 1908 WLAN_EID_PREQ = 130, 1909 WLAN_EID_PREP = 131, 1910 WLAN_EID_PERR = 132, 1911 /* 133-136 reserved for Cisco */ 1912 WLAN_EID_PXU = 137, 1913 WLAN_EID_PXUC = 138, 1914 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 1915 WLAN_EID_MIC = 140, 1916 WLAN_EID_DESTINATION_URI = 141, 1917 WLAN_EID_UAPSD_COEX = 142, 1918 WLAN_EID_WAKEUP_SCHEDULE = 143, 1919 WLAN_EID_EXT_SCHEDULE = 144, 1920 WLAN_EID_STA_AVAILABILITY = 145, 1921 WLAN_EID_DMG_TSPEC = 146, 1922 WLAN_EID_DMG_AT = 147, 1923 WLAN_EID_DMG_CAP = 148, 1924 /* 149 reserved for Cisco */ 1925 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 1926 WLAN_EID_DMG_OPERATION = 151, 1927 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 1928 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 1929 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 1930 /* 155-156 reserved for Cisco */ 1931 WLAN_EID_AWAKE_WINDOW = 157, 1932 WLAN_EID_MULTI_BAND = 158, 1933 WLAN_EID_ADDBA_EXT = 159, 1934 WLAN_EID_NEXT_PCP_LIST = 160, 1935 WLAN_EID_PCP_HANDOVER = 161, 1936 WLAN_EID_DMG_LINK_MARGIN = 162, 1937 WLAN_EID_SWITCHING_STREAM = 163, 1938 WLAN_EID_SESSION_TRANSITION = 164, 1939 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 1940 WLAN_EID_CLUSTER_REPORT = 166, 1941 WLAN_EID_RELAY_CAP = 167, 1942 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 1943 WLAN_EID_BEAM_LINK_MAINT = 169, 1944 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 1945 WLAN_EID_U_PID = 171, 1946 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 1947 /* 173 reserved for Symbol */ 1948 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 1949 WLAN_EID_QUIET_PERIOD_REQ = 175, 1950 /* 176 reserved for Symbol */ 1951 WLAN_EID_QUIET_PERIOD_RESP = 177, 1952 /* 178-179 reserved for Symbol */ 1953 /* 180 reserved for ISO/IEC 20011 */ 1954 WLAN_EID_EPAC_POLICY = 182, 1955 WLAN_EID_CLISTER_TIME_OFF = 183, 1956 WLAN_EID_INTER_AC_PRIO = 184, 1957 WLAN_EID_SCS_DESCRIPTOR = 185, 1958 WLAN_EID_QLOAD_REPORT = 186, 1959 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 1960 WLAN_EID_HL_STREAM_ID = 188, 1961 WLAN_EID_GCR_GROUP_ADDR = 189, 1962 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 1963 WLAN_EID_VHT_CAPABILITY = 191, 1964 WLAN_EID_VHT_OPERATION = 192, 1965 WLAN_EID_EXTENDED_BSS_LOAD = 193, 1966 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 1967 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 1968 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 1969 WLAN_EID_AID = 197, 1970 WLAN_EID_QUIET_CHANNEL = 198, 1971 WLAN_EID_OPMODE_NOTIF = 199, 1972 1973 WLAN_EID_VENDOR_SPECIFIC = 221, 1974 WLAN_EID_QOS_PARAMETER = 222, 1975 WLAN_EID_CAG_NUMBER = 237, 1976 WLAN_EID_AP_CSN = 239, 1977 WLAN_EID_FILS_INDICATION = 240, 1978 WLAN_EID_DILS = 241, 1979 WLAN_EID_FRAGMENT = 242, 1980 WLAN_EID_EXTENSION = 255 1981 }; 1982 1983 /* Element ID Extensions for Element ID 255 */ 1984 enum ieee80211_eid_ext { 1985 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 1986 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 1987 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 1988 WLAN_EID_EXT_FILS_SESSION = 4, 1989 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 1990 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 1991 WLAN_EID_EXT_KEY_DELIVERY = 7, 1992 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 1993 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 1994 WLAN_EID_EXT_FILS_NONCE = 13, 1995 }; 1996 1997 /* Action category code */ 1998 enum ieee80211_category { 1999 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 2000 WLAN_CATEGORY_QOS = 1, 2001 WLAN_CATEGORY_DLS = 2, 2002 WLAN_CATEGORY_BACK = 3, 2003 WLAN_CATEGORY_PUBLIC = 4, 2004 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 2005 WLAN_CATEGORY_HT = 7, 2006 WLAN_CATEGORY_SA_QUERY = 8, 2007 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 2008 WLAN_CATEGORY_WNM = 10, 2009 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 2010 WLAN_CATEGORY_TDLS = 12, 2011 WLAN_CATEGORY_MESH_ACTION = 13, 2012 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 2013 WLAN_CATEGORY_SELF_PROTECTED = 15, 2014 WLAN_CATEGORY_DMG = 16, 2015 WLAN_CATEGORY_WMM = 17, 2016 WLAN_CATEGORY_FST = 18, 2017 WLAN_CATEGORY_UNPROT_DMG = 20, 2018 WLAN_CATEGORY_VHT = 21, 2019 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 2020 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 2021 }; 2022 2023 /* SPECTRUM_MGMT action code */ 2024 enum ieee80211_spectrum_mgmt_actioncode { 2025 WLAN_ACTION_SPCT_MSR_REQ = 0, 2026 WLAN_ACTION_SPCT_MSR_RPRT = 1, 2027 WLAN_ACTION_SPCT_TPC_REQ = 2, 2028 WLAN_ACTION_SPCT_TPC_RPRT = 3, 2029 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 2030 }; 2031 2032 /* HT action codes */ 2033 enum ieee80211_ht_actioncode { 2034 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 2035 WLAN_HT_ACTION_SMPS = 1, 2036 WLAN_HT_ACTION_PSMP = 2, 2037 WLAN_HT_ACTION_PCO_PHASE = 3, 2038 WLAN_HT_ACTION_CSI = 4, 2039 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 2040 WLAN_HT_ACTION_COMPRESSED_BF = 6, 2041 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 2042 }; 2043 2044 /* VHT action codes */ 2045 enum ieee80211_vht_actioncode { 2046 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 2047 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 2048 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 2049 }; 2050 2051 /* Self Protected Action codes */ 2052 enum ieee80211_self_protected_actioncode { 2053 WLAN_SP_RESERVED = 0, 2054 WLAN_SP_MESH_PEERING_OPEN = 1, 2055 WLAN_SP_MESH_PEERING_CONFIRM = 2, 2056 WLAN_SP_MESH_PEERING_CLOSE = 3, 2057 WLAN_SP_MGK_INFORM = 4, 2058 WLAN_SP_MGK_ACK = 5, 2059 }; 2060 2061 /* Mesh action codes */ 2062 enum ieee80211_mesh_actioncode { 2063 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2064 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2065 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2066 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2067 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2068 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2069 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2070 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2071 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2072 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2073 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2074 }; 2075 2076 /* Security key length */ 2077 enum ieee80211_key_len { 2078 WLAN_KEY_LEN_WEP40 = 5, 2079 WLAN_KEY_LEN_WEP104 = 13, 2080 WLAN_KEY_LEN_CCMP = 16, 2081 WLAN_KEY_LEN_CCMP_256 = 32, 2082 WLAN_KEY_LEN_TKIP = 32, 2083 WLAN_KEY_LEN_AES_CMAC = 16, 2084 WLAN_KEY_LEN_SMS4 = 32, 2085 WLAN_KEY_LEN_GCMP = 16, 2086 WLAN_KEY_LEN_GCMP_256 = 32, 2087 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2088 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2089 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2090 }; 2091 2092 #define IEEE80211_WEP_IV_LEN 4 2093 #define IEEE80211_WEP_ICV_LEN 4 2094 #define IEEE80211_CCMP_HDR_LEN 8 2095 #define IEEE80211_CCMP_MIC_LEN 8 2096 #define IEEE80211_CCMP_PN_LEN 6 2097 #define IEEE80211_CCMP_256_HDR_LEN 8 2098 #define IEEE80211_CCMP_256_MIC_LEN 16 2099 #define IEEE80211_CCMP_256_PN_LEN 6 2100 #define IEEE80211_TKIP_IV_LEN 8 2101 #define IEEE80211_TKIP_ICV_LEN 4 2102 #define IEEE80211_CMAC_PN_LEN 6 2103 #define IEEE80211_GMAC_PN_LEN 6 2104 #define IEEE80211_GCMP_HDR_LEN 8 2105 #define IEEE80211_GCMP_MIC_LEN 16 2106 #define IEEE80211_GCMP_PN_LEN 6 2107 2108 #define FILS_NONCE_LEN 16 2109 #define FILS_MAX_KEK_LEN 64 2110 2111 #define FILS_ERP_MAX_USERNAME_LEN 16 2112 #define FILS_ERP_MAX_REALM_LEN 253 2113 #define FILS_ERP_MAX_RRK_LEN 64 2114 2115 #define PMK_MAX_LEN 64 2116 2117 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ 2118 enum ieee80211_pub_actioncode { 2119 WLAN_PUB_ACTION_20_40_BSS_COEX = 0, 2120 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, 2121 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, 2122 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, 2123 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2124 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, 2125 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, 2126 WLAN_PUB_ACTION_MSMT_PILOT = 7, 2127 WLAN_PUB_ACTION_DSE_PC = 8, 2128 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, 2129 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, 2130 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, 2131 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, 2132 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, 2133 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2134 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, 2135 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, 2136 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, 2137 WLAN_PUB_ACTION_QMF_POLICY = 18, 2138 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, 2139 WLAN_PUB_ACTION_QLOAD_REQUEST = 20, 2140 WLAN_PUB_ACTION_QLOAD_REPORT = 21, 2141 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, 2142 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, 2143 WLAN_PUB_ACTION_PUBLIC_KEY = 24, 2144 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, 2145 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, 2146 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, 2147 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, 2148 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, 2149 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, 2150 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, 2151 WLAN_PUB_ACTION_FTM_REQUEST = 32, 2152 WLAN_PUB_ACTION_FTM = 33, 2153 WLAN_PUB_ACTION_FILS_DISCOVERY = 34, 2154 }; 2155 2156 /* TDLS action codes */ 2157 enum ieee80211_tdls_actioncode { 2158 WLAN_TDLS_SETUP_REQUEST = 0, 2159 WLAN_TDLS_SETUP_RESPONSE = 1, 2160 WLAN_TDLS_SETUP_CONFIRM = 2, 2161 WLAN_TDLS_TEARDOWN = 3, 2162 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 2163 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 2164 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 2165 WLAN_TDLS_PEER_PSM_REQUEST = 7, 2166 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 2167 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 2168 WLAN_TDLS_DISCOVERY_REQUEST = 10, 2169 }; 2170 2171 /* Extended Channel Switching capability to be set in the 1st byte of 2172 * the @WLAN_EID_EXT_CAPABILITY information element 2173 */ 2174 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 2175 2176 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 2177 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 2178 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 2179 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 2180 2181 /* Interworking capabilities are set in 7th bit of 4th byte of the 2182 * @WLAN_EID_EXT_CAPABILITY information element 2183 */ 2184 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 2185 2186 /* 2187 * TDLS capabililites to be enabled in the 5th byte of the 2188 * @WLAN_EID_EXT_CAPABILITY information element 2189 */ 2190 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 2191 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 2192 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 2193 2194 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 2195 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 2196 2197 /* Defines the maximal number of MSDUs in an A-MSDU. */ 2198 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 2199 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 2200 2201 /* 2202 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 2203 * information element 2204 */ 2205 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 2206 2207 /* TDLS specific payload type in the LLC/SNAP header */ 2208 #define WLAN_TDLS_SNAP_RFTYPE 0x2 2209 2210 /* BSS Coex IE information field bits */ 2211 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 2212 2213 /** 2214 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier 2215 * 2216 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 2217 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 2218 * that will be specified in a vendor specific information element 2219 */ 2220 enum ieee80211_mesh_sync_method { 2221 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 2222 IEEE80211_SYNC_METHOD_VENDOR = 255, 2223 }; 2224 2225 /** 2226 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier 2227 * 2228 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 2229 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 2230 * be specified in a vendor specific information element 2231 */ 2232 enum ieee80211_mesh_path_protocol { 2233 IEEE80211_PATH_PROTOCOL_HWMP = 1, 2234 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 2235 }; 2236 2237 /** 2238 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier 2239 * 2240 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 2241 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 2242 * specified in a vendor specific information element 2243 */ 2244 enum ieee80211_mesh_path_metric { 2245 IEEE80211_PATH_METRIC_AIRTIME = 1, 2246 IEEE80211_PATH_METRIC_VENDOR = 255, 2247 }; 2248 2249 /** 2250 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 2251 * 2252 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 2253 * 2254 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 2255 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 2256 * this value 2257 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 2258 * the proactive PREQ with proactive PREP subfield set to 0 2259 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 2260 * supports the proactive PREQ with proactive PREP subfield set to 1 2261 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 2262 * the proactive RANN 2263 */ 2264 enum ieee80211_root_mode_identifier { 2265 IEEE80211_ROOTMODE_NO_ROOT = 0, 2266 IEEE80211_ROOTMODE_ROOT = 1, 2267 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 2268 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 2269 IEEE80211_PROACTIVE_RANN = 4, 2270 }; 2271 2272 /* 2273 * IEEE 802.11-2007 7.3.2.9 Country information element 2274 * 2275 * Minimum length is 8 octets, ie len must be evenly 2276 * divisible by 2 2277 */ 2278 2279 /* Although the spec says 8 I'm seeing 6 in practice */ 2280 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 2281 2282 /* The Country String field of the element shall be 3 octets in length */ 2283 #define IEEE80211_COUNTRY_STRING_LEN 3 2284 2285 /* 2286 * For regulatory extension stuff see IEEE 802.11-2007 2287 * Annex I (page 1141) and Annex J (page 1147). Also 2288 * review 7.3.2.9. 2289 * 2290 * When dot11RegulatoryClassesRequired is true and the 2291 * first_channel/reg_extension_id is >= 201 then the IE 2292 * compromises of the 'ext' struct represented below: 2293 * 2294 * - Regulatory extension ID - when generating IE this just needs 2295 * to be monotonically increasing for each triplet passed in 2296 * the IE 2297 * - Regulatory class - index into set of rules 2298 * - Coverage class - index into air propagation time (Table 7-27), 2299 * in microseconds, you can compute the air propagation time from 2300 * the index by multiplying by 3, so index 10 yields a propagation 2301 * of 10 us. Valid values are 0-31, values 32-255 are not defined 2302 * yet. A value of 0 inicates air propagation of <= 1 us. 2303 * 2304 * See also Table I.2 for Emission limit sets and table 2305 * I.3 for Behavior limit sets. Table J.1 indicates how to map 2306 * a reg_class to an emission limit set and behavior limit set. 2307 */ 2308 #define IEEE80211_COUNTRY_EXTENSION_ID 201 2309 2310 /* 2311 * Channels numbers in the IE must be monotonically increasing 2312 * if dot11RegulatoryClassesRequired is not true. 2313 * 2314 * If dot11RegulatoryClassesRequired is true consecutive 2315 * subband triplets following a regulatory triplet shall 2316 * have monotonically increasing first_channel number fields. 2317 * 2318 * Channel numbers shall not overlap. 2319 * 2320 * Note that max_power is signed. 2321 */ 2322 struct ieee80211_country_ie_triplet { 2323 union { 2324 struct { 2325 u8 first_channel; 2326 u8 num_channels; 2327 s8 max_power; 2328 } __packed chans; 2329 struct { 2330 u8 reg_extension_id; 2331 u8 reg_class; 2332 u8 coverage_class; 2333 } __packed ext; 2334 }; 2335 } __packed; 2336 2337 enum ieee80211_timeout_interval_type { 2338 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2339 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2340 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2341 }; 2342 2343 /** 2344 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2345 * @type: type, see &enum ieee80211_timeout_interval_type 2346 * @value: timeout interval value 2347 */ 2348 struct ieee80211_timeout_interval_ie { 2349 u8 type; 2350 __le32 value; 2351 } __packed; 2352 2353 /** 2354 * enum ieee80211_idle_options - BSS idle options 2355 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN 2356 * protected frame to the AP to reset the idle timer at the AP for 2357 * the station. 2358 */ 2359 enum ieee80211_idle_options { 2360 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), 2361 }; 2362 2363 /** 2364 * struct ieee80211_bss_max_idle_period_ie 2365 * 2366 * This structure refers to "BSS Max idle period element" 2367 * 2368 * @max_idle_period: indicates the time period during which a station can 2369 * refrain from transmitting frames to its associated AP without being 2370 * disassociated. In units of 1000 TUs. 2371 * @idle_options: indicates the options associated with the BSS idle capability 2372 * as specified in &enum ieee80211_idle_options. 2373 */ 2374 struct ieee80211_bss_max_idle_period_ie { 2375 __le16 max_idle_period; 2376 u8 idle_options; 2377 } __packed; 2378 2379 /* BACK action code */ 2380 enum ieee80211_back_actioncode { 2381 WLAN_ACTION_ADDBA_REQ = 0, 2382 WLAN_ACTION_ADDBA_RESP = 1, 2383 WLAN_ACTION_DELBA = 2, 2384 }; 2385 2386 /* BACK (block-ack) parties */ 2387 enum ieee80211_back_parties { 2388 WLAN_BACK_RECIPIENT = 0, 2389 WLAN_BACK_INITIATOR = 1, 2390 }; 2391 2392 /* SA Query action */ 2393 enum ieee80211_sa_query_action { 2394 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2395 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2396 }; 2397 2398 2399 #define SUITE(oui, id) (((oui) << 8) | (id)) 2400 2401 /* cipher suite selectors */ 2402 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 2403 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 2404 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 2405 /* reserved: SUITE(0x000FAC, 3) */ 2406 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 2407 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 2408 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 2409 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 2410 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 2411 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 2412 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 2413 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 2414 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 2415 2416 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 2417 2418 /* AKM suite selectors */ 2419 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 2420 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 2421 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) 2422 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) 2423 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 2424 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 2425 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 2426 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 2427 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 2428 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) 2429 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) 2430 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) 2431 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) 2432 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) 2433 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) 2434 2435 #define WLAN_MAX_KEY_LEN 32 2436 2437 #define WLAN_PMK_NAME_LEN 16 2438 #define WLAN_PMKID_LEN 16 2439 #define WLAN_PMK_LEN_EAP_LEAP 16 2440 #define WLAN_PMK_LEN 32 2441 #define WLAN_PMK_LEN_SUITE_B_192 48 2442 2443 #define WLAN_OUI_WFA 0x506f9a 2444 #define WLAN_OUI_TYPE_WFA_P2P 9 2445 #define WLAN_OUI_MICROSOFT 0x0050f2 2446 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 2447 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 2448 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 2449 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 2450 2451 /* 2452 * WMM/802.11e Tspec Element 2453 */ 2454 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 2455 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 2456 2457 enum ieee80211_tspec_status_code { 2458 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 2459 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 2460 }; 2461 2462 struct ieee80211_tspec_ie { 2463 u8 element_id; 2464 u8 len; 2465 u8 oui[3]; 2466 u8 oui_type; 2467 u8 oui_subtype; 2468 u8 version; 2469 __le16 tsinfo; 2470 u8 tsinfo_resvd; 2471 __le16 nominal_msdu; 2472 __le16 max_msdu; 2473 __le32 min_service_int; 2474 __le32 max_service_int; 2475 __le32 inactivity_int; 2476 __le32 suspension_int; 2477 __le32 service_start_time; 2478 __le32 min_data_rate; 2479 __le32 mean_data_rate; 2480 __le32 peak_data_rate; 2481 __le32 max_burst_size; 2482 __le32 delay_bound; 2483 __le32 min_phy_rate; 2484 __le16 sba; 2485 __le16 medium_time; 2486 } __packed; 2487 2488 /** 2489 * ieee80211_get_qos_ctl - get pointer to qos control bytes 2490 * @hdr: the frame 2491 * 2492 * The qos ctrl bytes come after the frame_control, duration, seq_num 2493 * and 3 or 4 addresses of length ETH_ALEN. 2494 * 3 addr: 2 + 2 + 2 + 3*6 = 24 2495 * 4 addr: 2 + 2 + 2 + 4*6 = 30 2496 */ 2497 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 2498 { 2499 if (ieee80211_has_a4(hdr->frame_control)) 2500 return (u8 *)hdr + 30; 2501 else 2502 return (u8 *)hdr + 24; 2503 } 2504 2505 /** 2506 * ieee80211_get_tid - get qos TID 2507 * @hdr: the frame 2508 */ 2509 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) 2510 { 2511 u8 *qc = ieee80211_get_qos_ctl(hdr); 2512 2513 return qc[0] & IEEE80211_QOS_CTL_TID_MASK; 2514 } 2515 2516 /** 2517 * ieee80211_get_SA - get pointer to SA 2518 * @hdr: the frame 2519 * 2520 * Given an 802.11 frame, this function returns the offset 2521 * to the source address (SA). It does not verify that the 2522 * header is long enough to contain the address, and the 2523 * header must be long enough to contain the frame control 2524 * field. 2525 */ 2526 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 2527 { 2528 if (ieee80211_has_a4(hdr->frame_control)) 2529 return hdr->addr4; 2530 if (ieee80211_has_fromds(hdr->frame_control)) 2531 return hdr->addr3; 2532 return hdr->addr2; 2533 } 2534 2535 /** 2536 * ieee80211_get_DA - get pointer to DA 2537 * @hdr: the frame 2538 * 2539 * Given an 802.11 frame, this function returns the offset 2540 * to the destination address (DA). It does not verify that 2541 * the header is long enough to contain the address, and the 2542 * header must be long enough to contain the frame control 2543 * field. 2544 */ 2545 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 2546 { 2547 if (ieee80211_has_tods(hdr->frame_control)) 2548 return hdr->addr3; 2549 else 2550 return hdr->addr1; 2551 } 2552 2553 /** 2554 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 2555 * @hdr: the frame (buffer must include at least the first octet of payload) 2556 */ 2557 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 2558 { 2559 if (ieee80211_is_disassoc(hdr->frame_control) || 2560 ieee80211_is_deauth(hdr->frame_control)) 2561 return true; 2562 2563 if (ieee80211_is_action(hdr->frame_control)) { 2564 u8 *category; 2565 2566 /* 2567 * Action frames, excluding Public Action frames, are Robust 2568 * Management Frames. However, if we are looking at a Protected 2569 * frame, skip the check since the data may be encrypted and 2570 * the frame has already been found to be a Robust Management 2571 * Frame (by the other end). 2572 */ 2573 if (ieee80211_has_protected(hdr->frame_control)) 2574 return true; 2575 category = ((u8 *) hdr) + 24; 2576 return *category != WLAN_CATEGORY_PUBLIC && 2577 *category != WLAN_CATEGORY_HT && 2578 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 2579 *category != WLAN_CATEGORY_SELF_PROTECTED && 2580 *category != WLAN_CATEGORY_UNPROT_DMG && 2581 *category != WLAN_CATEGORY_VHT && 2582 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 2583 } 2584 2585 return false; 2586 } 2587 2588 /** 2589 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 2590 * @skb: the skb containing the frame, length will be checked 2591 */ 2592 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 2593 { 2594 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 2595 return false; 2596 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 2597 } 2598 2599 /** 2600 * ieee80211_is_public_action - check if frame is a public action frame 2601 * @hdr: the frame 2602 * @len: length of the frame 2603 */ 2604 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 2605 size_t len) 2606 { 2607 struct ieee80211_mgmt *mgmt = (void *)hdr; 2608 2609 if (len < IEEE80211_MIN_ACTION_SIZE) 2610 return false; 2611 if (!ieee80211_is_action(hdr->frame_control)) 2612 return false; 2613 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 2614 } 2615 2616 /** 2617 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 2618 * privacy action frame 2619 * @hdr: the frame 2620 */ 2621 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 2622 { 2623 struct ieee80211_mgmt *mgmt = (void *)hdr; 2624 2625 if (!ieee80211_is_action(hdr->frame_control) || 2626 !is_multicast_ether_addr(hdr->addr1)) 2627 return false; 2628 2629 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 2630 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 2631 } 2632 2633 /** 2634 * ieee80211_is_group_privacy_action - check if frame is a group addressed 2635 * privacy action frame 2636 * @skb: the skb containing the frame, length will be checked 2637 */ 2638 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 2639 { 2640 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 2641 return false; 2642 return _ieee80211_is_group_privacy_action((void *)skb->data); 2643 } 2644 2645 /** 2646 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 2647 * @tu: the TUs 2648 */ 2649 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 2650 { 2651 return 1024 * tu; 2652 } 2653 2654 /** 2655 * ieee80211_check_tim - check if AID bit is set in TIM 2656 * @tim: the TIM IE 2657 * @tim_len: length of the TIM IE 2658 * @aid: the AID to look for 2659 */ 2660 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 2661 u8 tim_len, u16 aid) 2662 { 2663 u8 mask; 2664 u8 index, indexn1, indexn2; 2665 2666 if (unlikely(!tim || tim_len < sizeof(*tim))) 2667 return false; 2668 2669 aid &= 0x3fff; 2670 index = aid / 8; 2671 mask = 1 << (aid & 7); 2672 2673 indexn1 = tim->bitmap_ctrl & 0xfe; 2674 indexn2 = tim_len + indexn1 - 4; 2675 2676 if (index < indexn1 || index > indexn2) 2677 return false; 2678 2679 index -= indexn1; 2680 2681 return !!(tim->virtual_map[index] & mask); 2682 } 2683 2684 /** 2685 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 2686 * @skb: the skb containing the frame, length will not be checked 2687 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 2688 * 2689 * This function assumes the frame is a data frame, and that the network header 2690 * is in the correct place. 2691 */ 2692 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 2693 { 2694 if (!skb_is_nonlinear(skb) && 2695 skb->len > (skb_network_offset(skb) + 2)) { 2696 /* Point to where the indication of TDLS should start */ 2697 const u8 *tdls_data = skb_network_header(skb) - 2; 2698 2699 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 2700 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 2701 tdls_data[3] == WLAN_CATEGORY_TDLS) 2702 return tdls_data[4]; 2703 } 2704 2705 return -1; 2706 } 2707 2708 /* convert time units */ 2709 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 2710 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 2711 2712 /** 2713 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 2714 * @skb: the skb containing the frame, length will be checked 2715 * 2716 * This function checks if it's either TPC report action frame or Link 2717 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 2718 * and 8.5.7.5 accordingly. 2719 */ 2720 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 2721 { 2722 struct ieee80211_mgmt *mgmt = (void *)skb->data; 2723 2724 if (!ieee80211_is_action(mgmt->frame_control)) 2725 return false; 2726 2727 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 2728 sizeof(mgmt->u.action.u.tpc_report)) 2729 return false; 2730 2731 /* 2732 * TPC report - check that: 2733 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 2734 * spectrum management action = 3 (TPC/Link Measurement report) 2735 * TPC report EID = 35 2736 * TPC report element length = 2 2737 * 2738 * The spectrum management's tpc_report struct is used here both for 2739 * parsing tpc_report and radio measurement's link measurement report 2740 * frame, since the relevant part is identical in both frames. 2741 */ 2742 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 2743 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 2744 return false; 2745 2746 /* both spectrum mgmt and link measurement have same action code */ 2747 if (mgmt->u.action.u.tpc_report.action_code != 2748 WLAN_ACTION_SPCT_TPC_RPRT) 2749 return false; 2750 2751 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 2752 mgmt->u.action.u.tpc_report.tpc_elem_length != 2753 sizeof(struct ieee80211_tpc_report_ie)) 2754 return false; 2755 2756 return true; 2757 } 2758 2759 #endif /* LINUX_IEEE80211_H */ 2760