1 /* 2 * IEEE 802.11 defines 3 * 4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 5 * <jkmaline@cc.hut.fi> 6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> 7 * Copyright (c) 2005, Devicescape Software, Inc. 8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> 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 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1 816 817 /** 818 * mesh channel switch parameters element's flag indicator 819 * 820 */ 821 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 822 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 823 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 824 825 /** 826 * struct ieee80211_rann_ie 827 * 828 * This structure refers to "Root Announcement information element" 829 */ 830 struct ieee80211_rann_ie { 831 u8 rann_flags; 832 u8 rann_hopcount; 833 u8 rann_ttl; 834 u8 rann_addr[ETH_ALEN]; 835 __le32 rann_seq; 836 __le32 rann_interval; 837 __le32 rann_metric; 838 } __packed; 839 840 enum ieee80211_rann_flags { 841 RANN_FLAG_IS_GATE = 1 << 0, 842 }; 843 844 enum ieee80211_ht_chanwidth_values { 845 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 846 IEEE80211_HT_CHANWIDTH_ANY = 1, 847 }; 848 849 /** 850 * enum ieee80211_opmode_bits - VHT operating mode field bits 851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 853 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 854 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 855 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 857 * (the NSS value is the value of this field + 1) 858 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 859 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 860 * using a beamforming steering matrix 861 */ 862 enum ieee80211_vht_opmode_bits { 863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 865 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 866 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 867 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 868 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 869 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 870 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 871 }; 872 873 #define WLAN_SA_QUERY_TR_ID_LEN 2 874 #define WLAN_MEMBERSHIP_LEN 8 875 #define WLAN_USER_POSITION_LEN 16 876 877 /** 878 * struct ieee80211_tpc_report_ie 879 * 880 * This structure refers to "TPC Report element" 881 */ 882 struct ieee80211_tpc_report_ie { 883 u8 tx_power; 884 u8 link_margin; 885 } __packed; 886 887 struct ieee80211_mgmt { 888 __le16 frame_control; 889 __le16 duration; 890 u8 da[ETH_ALEN]; 891 u8 sa[ETH_ALEN]; 892 u8 bssid[ETH_ALEN]; 893 __le16 seq_ctrl; 894 union { 895 struct { 896 __le16 auth_alg; 897 __le16 auth_transaction; 898 __le16 status_code; 899 /* possibly followed by Challenge text */ 900 u8 variable[0]; 901 } __packed auth; 902 struct { 903 __le16 reason_code; 904 } __packed deauth; 905 struct { 906 __le16 capab_info; 907 __le16 listen_interval; 908 /* followed by SSID and Supported rates */ 909 u8 variable[0]; 910 } __packed assoc_req; 911 struct { 912 __le16 capab_info; 913 __le16 status_code; 914 __le16 aid; 915 /* followed by Supported rates */ 916 u8 variable[0]; 917 } __packed assoc_resp, reassoc_resp; 918 struct { 919 __le16 capab_info; 920 __le16 listen_interval; 921 u8 current_ap[ETH_ALEN]; 922 /* followed by SSID and Supported rates */ 923 u8 variable[0]; 924 } __packed reassoc_req; 925 struct { 926 __le16 reason_code; 927 } __packed disassoc; 928 struct { 929 __le64 timestamp; 930 __le16 beacon_int; 931 __le16 capab_info; 932 /* followed by some of SSID, Supported rates, 933 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 934 u8 variable[0]; 935 } __packed beacon; 936 struct { 937 /* only variable items: SSID, Supported rates */ 938 u8 variable[0]; 939 } __packed probe_req; 940 struct { 941 __le64 timestamp; 942 __le16 beacon_int; 943 __le16 capab_info; 944 /* followed by some of SSID, Supported rates, 945 * FH Params, DS Params, CF Params, IBSS Params */ 946 u8 variable[0]; 947 } __packed probe_resp; 948 struct { 949 u8 category; 950 union { 951 struct { 952 u8 action_code; 953 u8 dialog_token; 954 u8 status_code; 955 u8 variable[0]; 956 } __packed wme_action; 957 struct{ 958 u8 action_code; 959 u8 variable[0]; 960 } __packed chan_switch; 961 struct{ 962 u8 action_code; 963 struct ieee80211_ext_chansw_ie data; 964 u8 variable[0]; 965 } __packed ext_chan_switch; 966 struct{ 967 u8 action_code; 968 u8 dialog_token; 969 u8 element_id; 970 u8 length; 971 struct ieee80211_msrment_ie msr_elem; 972 } __packed measurement; 973 struct{ 974 u8 action_code; 975 u8 dialog_token; 976 __le16 capab; 977 __le16 timeout; 978 __le16 start_seq_num; 979 } __packed addba_req; 980 struct{ 981 u8 action_code; 982 u8 dialog_token; 983 __le16 status; 984 __le16 capab; 985 __le16 timeout; 986 } __packed addba_resp; 987 struct{ 988 u8 action_code; 989 __le16 params; 990 __le16 reason_code; 991 } __packed delba; 992 struct { 993 u8 action_code; 994 u8 variable[0]; 995 } __packed self_prot; 996 struct{ 997 u8 action_code; 998 u8 variable[0]; 999 } __packed mesh_action; 1000 struct { 1001 u8 action; 1002 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1003 } __packed sa_query; 1004 struct { 1005 u8 action; 1006 u8 smps_control; 1007 } __packed ht_smps; 1008 struct { 1009 u8 action_code; 1010 u8 chanwidth; 1011 } __packed ht_notify_cw; 1012 struct { 1013 u8 action_code; 1014 u8 dialog_token; 1015 __le16 capability; 1016 u8 variable[0]; 1017 } __packed tdls_discover_resp; 1018 struct { 1019 u8 action_code; 1020 u8 operating_mode; 1021 } __packed vht_opmode_notif; 1022 struct { 1023 u8 action_code; 1024 u8 membership[WLAN_MEMBERSHIP_LEN]; 1025 u8 position[WLAN_USER_POSITION_LEN]; 1026 } __packed vht_group_notif; 1027 struct { 1028 u8 action_code; 1029 u8 dialog_token; 1030 u8 tpc_elem_id; 1031 u8 tpc_elem_length; 1032 struct ieee80211_tpc_report_ie tpc; 1033 } __packed tpc_report; 1034 struct { 1035 u8 action_code; 1036 u8 dialog_token; 1037 u8 follow_up; 1038 u8 tod[6]; 1039 u8 toa[6]; 1040 __le16 tod_error; 1041 __le16 toa_error; 1042 u8 variable[0]; 1043 } __packed ftm; 1044 } u; 1045 } __packed action; 1046 } u; 1047 } __packed __aligned(2); 1048 1049 /* Supported rates membership selectors */ 1050 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1051 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1052 1053 /* mgmt header + 1 byte category code */ 1054 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1055 1056 1057 /* Management MIC information element (IEEE 802.11w) */ 1058 struct ieee80211_mmie { 1059 u8 element_id; 1060 u8 length; 1061 __le16 key_id; 1062 u8 sequence_number[6]; 1063 u8 mic[8]; 1064 } __packed; 1065 1066 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1067 struct ieee80211_mmie_16 { 1068 u8 element_id; 1069 u8 length; 1070 __le16 key_id; 1071 u8 sequence_number[6]; 1072 u8 mic[16]; 1073 } __packed; 1074 1075 struct ieee80211_vendor_ie { 1076 u8 element_id; 1077 u8 len; 1078 u8 oui[3]; 1079 u8 oui_type; 1080 } __packed; 1081 1082 struct ieee80211_wmm_ac_param { 1083 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1084 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1085 __le16 txop_limit; 1086 } __packed; 1087 1088 struct ieee80211_wmm_param_ie { 1089 u8 element_id; /* Element ID: 221 (0xdd); */ 1090 u8 len; /* Length: 24 */ 1091 /* required fields for WMM version 1 */ 1092 u8 oui[3]; /* 00:50:f2 */ 1093 u8 oui_type; /* 2 */ 1094 u8 oui_subtype; /* 1 */ 1095 u8 version; /* 1 for WMM version 1.0 */ 1096 u8 qos_info; /* AP/STA specific QoS info */ 1097 u8 reserved; /* 0 */ 1098 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1099 struct ieee80211_wmm_ac_param ac[4]; 1100 } __packed; 1101 1102 /* Control frames */ 1103 struct ieee80211_rts { 1104 __le16 frame_control; 1105 __le16 duration; 1106 u8 ra[ETH_ALEN]; 1107 u8 ta[ETH_ALEN]; 1108 } __packed __aligned(2); 1109 1110 struct ieee80211_cts { 1111 __le16 frame_control; 1112 __le16 duration; 1113 u8 ra[ETH_ALEN]; 1114 } __packed __aligned(2); 1115 1116 struct ieee80211_pspoll { 1117 __le16 frame_control; 1118 __le16 aid; 1119 u8 bssid[ETH_ALEN]; 1120 u8 ta[ETH_ALEN]; 1121 } __packed __aligned(2); 1122 1123 /* TDLS */ 1124 1125 /* Channel switch timing */ 1126 struct ieee80211_ch_switch_timing { 1127 __le16 switch_time; 1128 __le16 switch_timeout; 1129 } __packed; 1130 1131 /* Link-id information element */ 1132 struct ieee80211_tdls_lnkie { 1133 u8 ie_type; /* Link Identifier IE */ 1134 u8 ie_len; 1135 u8 bssid[ETH_ALEN]; 1136 u8 init_sta[ETH_ALEN]; 1137 u8 resp_sta[ETH_ALEN]; 1138 } __packed; 1139 1140 struct ieee80211_tdls_data { 1141 u8 da[ETH_ALEN]; 1142 u8 sa[ETH_ALEN]; 1143 __be16 ether_type; 1144 u8 payload_type; 1145 u8 category; 1146 u8 action_code; 1147 union { 1148 struct { 1149 u8 dialog_token; 1150 __le16 capability; 1151 u8 variable[0]; 1152 } __packed setup_req; 1153 struct { 1154 __le16 status_code; 1155 u8 dialog_token; 1156 __le16 capability; 1157 u8 variable[0]; 1158 } __packed setup_resp; 1159 struct { 1160 __le16 status_code; 1161 u8 dialog_token; 1162 u8 variable[0]; 1163 } __packed setup_cfm; 1164 struct { 1165 __le16 reason_code; 1166 u8 variable[0]; 1167 } __packed teardown; 1168 struct { 1169 u8 dialog_token; 1170 u8 variable[0]; 1171 } __packed discover_req; 1172 struct { 1173 u8 target_channel; 1174 u8 oper_class; 1175 u8 variable[0]; 1176 } __packed chan_switch_req; 1177 struct { 1178 __le16 status_code; 1179 u8 variable[0]; 1180 } __packed chan_switch_resp; 1181 } u; 1182 } __packed; 1183 1184 /* 1185 * Peer-to-Peer IE attribute related definitions. 1186 */ 1187 /** 1188 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1189 */ 1190 enum ieee80211_p2p_attr_id { 1191 IEEE80211_P2P_ATTR_STATUS = 0, 1192 IEEE80211_P2P_ATTR_MINOR_REASON, 1193 IEEE80211_P2P_ATTR_CAPABILITY, 1194 IEEE80211_P2P_ATTR_DEVICE_ID, 1195 IEEE80211_P2P_ATTR_GO_INTENT, 1196 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1197 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1198 IEEE80211_P2P_ATTR_GROUP_BSSID, 1199 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1200 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1201 IEEE80211_P2P_ATTR_MANAGABILITY, 1202 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1203 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1204 IEEE80211_P2P_ATTR_DEVICE_INFO, 1205 IEEE80211_P2P_ATTR_GROUP_INFO, 1206 IEEE80211_P2P_ATTR_GROUP_ID, 1207 IEEE80211_P2P_ATTR_INTERFACE, 1208 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1209 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1210 /* 19 - 220: Reserved */ 1211 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1212 1213 IEEE80211_P2P_ATTR_MAX 1214 }; 1215 1216 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1217 /* Typical max value used here */ 1218 #define IEEE80211_P2P_NOA_DESC_MAX 4 1219 1220 struct ieee80211_p2p_noa_desc { 1221 u8 count; 1222 __le32 duration; 1223 __le32 interval; 1224 __le32 start_time; 1225 } __packed; 1226 1227 struct ieee80211_p2p_noa_attr { 1228 u8 index; 1229 u8 oppps_ctwindow; 1230 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1231 } __packed; 1232 1233 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1234 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1235 1236 /** 1237 * struct ieee80211_bar - HT Block Ack Request 1238 * 1239 * This structure refers to "HT BlockAckReq" as 1240 * described in 802.11n draft section 7.2.1.7.1 1241 */ 1242 struct ieee80211_bar { 1243 __le16 frame_control; 1244 __le16 duration; 1245 __u8 ra[ETH_ALEN]; 1246 __u8 ta[ETH_ALEN]; 1247 __le16 control; 1248 __le16 start_seq_num; 1249 } __packed; 1250 1251 /* 802.11 BAR control masks */ 1252 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1253 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1254 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1255 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1256 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1257 1258 #define IEEE80211_HT_MCS_MASK_LEN 10 1259 1260 /** 1261 * struct ieee80211_mcs_info - MCS information 1262 * @rx_mask: RX mask 1263 * @rx_highest: highest supported RX rate. If set represents 1264 * the highest supported RX data rate in units of 1 Mbps. 1265 * If this field is 0 this value should not be used to 1266 * consider the highest RX data rate supported. 1267 * @tx_params: TX parameters 1268 */ 1269 struct ieee80211_mcs_info { 1270 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1271 __le16 rx_highest; 1272 u8 tx_params; 1273 u8 reserved[3]; 1274 } __packed; 1275 1276 /* 802.11n HT capability MSC set */ 1277 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1278 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1279 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1280 /* value 0 == 1 stream etc */ 1281 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1282 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1283 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1284 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1285 1286 /* 1287 * 802.11n D5.0 20.3.5 / 20.6 says: 1288 * - indices 0 to 7 and 32 are single spatial stream 1289 * - 8 to 31 are multiple spatial streams using equal modulation 1290 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1291 * - remainder are multiple spatial streams using unequal modulation 1292 */ 1293 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1294 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1295 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1296 1297 /** 1298 * struct ieee80211_ht_cap - HT capabilities 1299 * 1300 * This structure is the "HT capabilities element" as 1301 * described in 802.11n D5.0 7.3.2.57 1302 */ 1303 struct ieee80211_ht_cap { 1304 __le16 cap_info; 1305 u8 ampdu_params_info; 1306 1307 /* 16 bytes MCS information */ 1308 struct ieee80211_mcs_info mcs; 1309 1310 __le16 extended_ht_cap_info; 1311 __le32 tx_BF_cap_info; 1312 u8 antenna_selection_info; 1313 } __packed; 1314 1315 /* 802.11n HT capabilities masks (for cap_info) */ 1316 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1317 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1318 #define IEEE80211_HT_CAP_SM_PS 0x000C 1319 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1320 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1321 #define IEEE80211_HT_CAP_SGI_20 0x0020 1322 #define IEEE80211_HT_CAP_SGI_40 0x0040 1323 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1324 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1325 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1326 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1327 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1328 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1329 #define IEEE80211_HT_CAP_RESERVED 0x2000 1330 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1331 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1332 1333 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1334 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1335 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1336 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1337 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1338 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1339 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1340 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1341 1342 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1343 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1344 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1345 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1346 1347 /* 1348 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1349 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1350 */ 1351 enum ieee80211_max_ampdu_length_exp { 1352 IEEE80211_HT_MAX_AMPDU_8K = 0, 1353 IEEE80211_HT_MAX_AMPDU_16K = 1, 1354 IEEE80211_HT_MAX_AMPDU_32K = 2, 1355 IEEE80211_HT_MAX_AMPDU_64K = 3 1356 }; 1357 1358 /* 1359 * Maximum length of AMPDU that the STA can receive in VHT. 1360 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1361 */ 1362 enum ieee80211_vht_max_ampdu_length_exp { 1363 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1364 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1365 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1366 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1367 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1368 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1369 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1370 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1371 }; 1372 1373 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1374 1375 /* Minimum MPDU start spacing */ 1376 enum ieee80211_min_mpdu_spacing { 1377 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1378 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1379 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1380 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1381 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1382 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1383 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1384 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1385 }; 1386 1387 /** 1388 * struct ieee80211_ht_operation - HT operation IE 1389 * 1390 * This structure is the "HT operation element" as 1391 * described in 802.11n-2009 7.3.2.57 1392 */ 1393 struct ieee80211_ht_operation { 1394 u8 primary_chan; 1395 u8 ht_param; 1396 __le16 operation_mode; 1397 __le16 stbc_param; 1398 u8 basic_set[16]; 1399 } __packed; 1400 1401 /* for ht_param */ 1402 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1403 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1404 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1405 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1406 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1407 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1408 1409 /* for operation_mode */ 1410 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1411 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1412 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1413 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1414 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1415 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1416 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1417 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5 1418 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0 1419 1420 /* for stbc_param */ 1421 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1422 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1423 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1424 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1425 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1426 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1427 1428 1429 /* block-ack parameters */ 1430 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1431 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1432 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1433 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1434 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1435 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1436 1437 /* 1438 * A-MPDU buffer sizes 1439 * According to HT size varies from 8 to 64 frames 1440 * HE adds the ability to have up to 256 frames. 1441 */ 1442 #define IEEE80211_MIN_AMPDU_BUF 0x8 1443 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40 1444 #define IEEE80211_MAX_AMPDU_BUF 0x100 1445 1446 1447 /* Spatial Multiplexing Power Save Modes (for capability) */ 1448 #define WLAN_HT_CAP_SM_PS_STATIC 0 1449 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1450 #define WLAN_HT_CAP_SM_PS_INVALID 2 1451 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1452 1453 /* for SM power control field lower two bits */ 1454 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1455 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1456 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1457 1458 /** 1459 * struct ieee80211_vht_mcs_info - VHT MCS information 1460 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1461 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1462 * STA can receive. Rate expressed in units of 1 Mbps. 1463 * If this field is 0 this value should not be used to 1464 * consider the highest RX data rate supported. 1465 * The top 3 bits of this field indicate the Maximum NSTS,total 1466 * (a beamformee capability.) 1467 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1468 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1469 * STA can transmit. Rate expressed in units of 1 Mbps. 1470 * If this field is 0 this value should not be used to 1471 * consider the highest TX data rate supported. 1472 * The top 2 bits of this field are reserved, the 1473 * 3rd bit from the top indiciates VHT Extended NSS BW 1474 * Capability. 1475 */ 1476 struct ieee80211_vht_mcs_info { 1477 __le16 rx_mcs_map; 1478 __le16 rx_highest; 1479 __le16 tx_mcs_map; 1480 __le16 tx_highest; 1481 } __packed; 1482 1483 /* for rx_highest */ 1484 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13 1485 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT) 1486 1487 /* for tx_highest */ 1488 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13) 1489 1490 /** 1491 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1492 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1493 * number of streams 1494 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1495 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1496 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1497 * 1498 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1499 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1500 * both split into 8 subfields by number of streams. These values indicate 1501 * which MCSes are supported for the number of streams the value appears 1502 * for. 1503 */ 1504 enum ieee80211_vht_mcs_support { 1505 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1506 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1507 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1508 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1509 }; 1510 1511 /** 1512 * struct ieee80211_vht_cap - VHT capabilities 1513 * 1514 * This structure is the "VHT capabilities element" as 1515 * described in 802.11ac D3.0 8.4.2.160 1516 * @vht_cap_info: VHT capability info 1517 * @supp_mcs: VHT MCS supported rates 1518 */ 1519 struct ieee80211_vht_cap { 1520 __le32 vht_cap_info; 1521 struct ieee80211_vht_mcs_info supp_mcs; 1522 } __packed; 1523 1524 /** 1525 * enum ieee80211_vht_chanwidth - VHT channel width 1526 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1527 * determine the channel width (20 or 40 MHz) 1528 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1529 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1530 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1531 */ 1532 enum ieee80211_vht_chanwidth { 1533 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1534 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1535 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1536 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1537 }; 1538 1539 /** 1540 * struct ieee80211_vht_operation - VHT operation IE 1541 * 1542 * This structure is the "VHT operation element" as 1543 * described in 802.11ac D3.0 8.4.2.161 1544 * @chan_width: Operating channel width 1545 * @center_freq_seg0_idx: center freq segment 0 index 1546 * @center_freq_seg1_idx: center freq segment 1 index 1547 * @basic_mcs_set: VHT Basic MCS rate set 1548 */ 1549 struct ieee80211_vht_operation { 1550 u8 chan_width; 1551 u8 center_freq_seg0_idx; 1552 u8 center_freq_seg1_idx; 1553 __le16 basic_mcs_set; 1554 } __packed; 1555 1556 /** 1557 * struct ieee80211_he_cap_elem - HE capabilities element 1558 * 1559 * This structure is the "HE capabilities element" fixed fields as 1560 * described in P802.11ax_D3.0 section 9.4.2.237.2 and 9.4.2.237.3 1561 */ 1562 struct ieee80211_he_cap_elem { 1563 u8 mac_cap_info[6]; 1564 u8 phy_cap_info[11]; 1565 } __packed; 1566 1567 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5 1568 1569 /** 1570 * enum ieee80211_he_mcs_support - HE MCS support definitions 1571 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1572 * number of streams 1573 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1574 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported 1575 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported 1576 * 1577 * These definitions are used in each 2-bit subfield of the rx_mcs_* 1578 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are 1579 * both split into 8 subfields by number of streams. These values indicate 1580 * which MCSes are supported for the number of streams the value appears 1581 * for. 1582 */ 1583 enum ieee80211_he_mcs_support { 1584 IEEE80211_HE_MCS_SUPPORT_0_7 = 0, 1585 IEEE80211_HE_MCS_SUPPORT_0_9 = 1, 1586 IEEE80211_HE_MCS_SUPPORT_0_11 = 2, 1587 IEEE80211_HE_MCS_NOT_SUPPORTED = 3, 1588 }; 1589 1590 /** 1591 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field 1592 * 1593 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field 1594 * described in P802.11ax_D2.0 section 9.4.2.237.4 1595 * 1596 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1597 * widths less than 80MHz. 1598 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1599 * widths less than 80MHz. 1600 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel 1601 * width 160MHz. 1602 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel 1603 * width 160MHz. 1604 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for 1605 * channel width 80p80MHz. 1606 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for 1607 * channel width 80p80MHz. 1608 */ 1609 struct ieee80211_he_mcs_nss_supp { 1610 __le16 rx_mcs_80; 1611 __le16 tx_mcs_80; 1612 __le16 rx_mcs_160; 1613 __le16 tx_mcs_160; 1614 __le16 rx_mcs_80p80; 1615 __le16 tx_mcs_80p80; 1616 } __packed; 1617 1618 /** 1619 * struct ieee80211_he_operation - HE capabilities element 1620 * 1621 * This structure is the "HE operation element" fields as 1622 * described in P802.11ax_D3.0 section 9.4.2.238 1623 */ 1624 struct ieee80211_he_operation { 1625 __le32 he_oper_params; 1626 __le16 he_mcs_nss_set; 1627 /* Optional 0,1,3 or 4 bytes: depends on @he_oper_params */ 1628 u8 optional[0]; 1629 } __packed; 1630 1631 /** 1632 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field 1633 * 1634 * This structure is the "MU AC Parameter Record" fields as 1635 * described in P802.11ax_D2.0 section 9.4.2.240 1636 */ 1637 struct ieee80211_he_mu_edca_param_ac_rec { 1638 u8 aifsn; 1639 u8 ecw_min_max; 1640 u8 mu_edca_timer; 1641 } __packed; 1642 1643 /** 1644 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element 1645 * 1646 * This structure is the "MU EDCA Parameter Set element" fields as 1647 * described in P802.11ax_D2.0 section 9.4.2.240 1648 */ 1649 struct ieee80211_mu_edca_param_set { 1650 u8 mu_qos_info; 1651 struct ieee80211_he_mu_edca_param_ac_rec ac_be; 1652 struct ieee80211_he_mu_edca_param_ac_rec ac_bk; 1653 struct ieee80211_he_mu_edca_param_ac_rec ac_vi; 1654 struct ieee80211_he_mu_edca_param_ac_rec ac_vo; 1655 } __packed; 1656 1657 /* 802.11ac VHT Capabilities */ 1658 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1659 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1660 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1661 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1662 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1663 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1664 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1665 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2 1666 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1667 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1668 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1669 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1670 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1671 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1672 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1673 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1674 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1675 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8 1676 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1677 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1678 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1679 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1680 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1681 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1682 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1683 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1684 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1685 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1686 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1687 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1688 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1689 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1690 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1691 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1692 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1693 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1694 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1695 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30 1696 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000 1697 1698 /** 1699 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS 1700 * @cap: VHT capabilities of the peer 1701 * @bw: bandwidth to use 1702 * @mcs: MCS index to use 1703 * @ext_nss_bw_capable: indicates whether or not the local transmitter 1704 * (rate scaling algorithm) can deal with the new logic 1705 * (dot11VHTExtendedNSSBWCapable) 1706 * 1707 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can 1708 * vary for a given BW/MCS. This function parses the data. 1709 * 1710 * Note: This function is exported by cfg80211. 1711 */ 1712 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, 1713 enum ieee80211_vht_chanwidth bw, 1714 int mcs, bool ext_nss_bw_capable); 1715 1716 /* 802.11ax HE MAC capabilities */ 1717 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01 1718 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02 1719 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04 1720 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00 1721 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08 1722 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10 1723 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18 1724 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18 1725 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00 1726 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20 1727 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40 1728 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60 1729 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80 1730 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0 1731 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0 1732 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0 1733 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0 1734 1735 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00 1736 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01 1737 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02 1738 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03 1739 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03 1740 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00 1741 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04 1742 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08 1743 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c 1744 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00 1745 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10 1746 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20 1747 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30 1748 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40 1749 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50 1750 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60 1751 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70 1752 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70 1753 1754 /* Link adaptation is split between byte HE_MAC_CAP1 and 1755 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE 1756 * in which case the following values apply: 1757 * 0 = No feedback. 1758 * 1 = reserved. 1759 * 2 = Unsolicited feedback. 1760 * 3 = both 1761 */ 1762 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80 1763 1764 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01 1765 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02 1766 #define IEEE80211_HE_MAC_CAP2_TRS 0x04 1767 #define IEEE80211_HE_MAC_CAP2_BSR 0x08 1768 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10 1769 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20 1770 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40 1771 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80 1772 1773 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02 1774 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04 1775 1776 /* The maximum length of an A-MDPU is defined by the combination of the Maximum 1777 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the 1778 * same field in the HE capabilities. 1779 */ 1780 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00 1781 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08 1782 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10 1783 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18 1784 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18 1785 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20 1786 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40 1787 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80 1788 1789 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01 1790 #define IEEE80211_HE_MAC_CAP4_QTP 0x02 1791 #define IEEE80211_HE_MAC_CAP4_BQR 0x04 1792 #define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08 1793 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10 1794 #define IEEE80211_HE_MAC_CAP4_OPS 0x20 1795 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40 1796 /* Multi TID agg TX is split between byte #4 and #5 1797 * The value is a combination of B39,B40,B41 1798 */ 1799 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80 1800 1801 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01 1802 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02 1803 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04 1804 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08 1805 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10 1806 1807 /* 802.11ax HE PHY capabilities */ 1808 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02 1809 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04 1810 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08 1811 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10 1812 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20 1813 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40 1814 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe 1815 1816 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01 1817 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02 1818 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04 1819 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08 1820 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f 1821 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10 1822 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20 1823 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40 1824 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */ 1825 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80 1826 1827 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01 1828 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02 1829 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04 1830 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08 1831 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10 1832 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20 1833 1834 /* Note that the meaning of UL MU below is different between an AP and a non-AP 1835 * sta, where in the AP case it indicates support for Rx and in the non-AP sta 1836 * case it indicates support for Tx. 1837 */ 1838 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40 1839 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80 1840 1841 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00 1842 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01 1843 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02 1844 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03 1845 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03 1846 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00 1847 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04 1848 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00 1849 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08 1850 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10 1851 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18 1852 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18 1853 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00 1854 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20 1855 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40 1856 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80 1857 1858 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01 1859 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02 1860 1861 /* Minimal allowed value of Max STS under 80MHz is 3 */ 1862 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c 1863 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10 1864 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14 1865 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18 1866 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c 1867 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c 1868 1869 /* Minimal allowed value of Max STS above 80MHz is 3 */ 1870 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60 1871 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80 1872 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0 1873 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0 1874 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0 1875 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0 1876 1877 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00 1878 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01 1879 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02 1880 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03 1881 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04 1882 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05 1883 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06 1884 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07 1885 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07 1886 1887 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00 1888 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08 1889 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10 1890 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18 1891 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20 1892 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28 1893 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30 1894 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38 1895 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38 1896 1897 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40 1898 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80 1899 1900 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01 1901 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02 1902 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04 1903 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08 1904 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10 1905 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20 1906 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40 1907 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80 1908 1909 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01 1910 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02 1911 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04 1912 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08 1913 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10 1914 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18 1915 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20 1916 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28 1917 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30 1918 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38 1919 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38 1920 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40 1921 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80 1922 1923 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01 1924 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02 1925 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04 1926 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08 1927 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10 1928 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20 1929 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_20MHZ 0x00 1930 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_40MHZ 0x40 1931 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_80MHZ 0x80 1932 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_160_OR_80P80_MHZ 0xc0 1933 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_MASK 0xc0 1934 1935 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01 1936 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02 1937 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04 1938 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08 1939 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10 1940 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20 1941 1942 /* 802.11ax HE TX/RX MCS NSS Support */ 1943 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) 1944 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6) 1945 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11) 1946 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0 1947 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800 1948 1949 /* TX/RX HE MCS Support field Highest MCS subfield encoding */ 1950 enum ieee80211_he_highest_mcs_supported_subfield_enc { 1951 HIGHEST_MCS_SUPPORTED_MCS7 = 0, 1952 HIGHEST_MCS_SUPPORTED_MCS8, 1953 HIGHEST_MCS_SUPPORTED_MCS9, 1954 HIGHEST_MCS_SUPPORTED_MCS10, 1955 HIGHEST_MCS_SUPPORTED_MCS11, 1956 }; 1957 1958 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */ 1959 static inline u8 1960 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap) 1961 { 1962 u8 count = 4; 1963 1964 if (he_cap->phy_cap_info[0] & 1965 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G) 1966 count += 4; 1967 1968 if (he_cap->phy_cap_info[0] & 1969 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G) 1970 count += 4; 1971 1972 return count; 1973 } 1974 1975 /* 802.11ax HE PPE Thresholds */ 1976 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1) 1977 #define IEEE80211_PPE_THRES_NSS_POS (0) 1978 #define IEEE80211_PPE_THRES_NSS_MASK (7) 1979 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \ 1980 (BIT(5) | BIT(6)) 1981 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78 1982 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3) 1983 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3) 1984 1985 /* 1986 * Calculate 802.11ax HE capabilities IE PPE field size 1987 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8* 1988 */ 1989 static inline u8 1990 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) 1991 { 1992 u8 n; 1993 1994 if ((phy_cap_info[6] & 1995 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0) 1996 return 0; 1997 1998 n = hweight8(ppe_thres_hdr & 1999 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK); 2000 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >> 2001 IEEE80211_PPE_THRES_NSS_POS)); 2002 2003 /* 2004 * Each pair is 6 bits, and we need to add the 7 "header" bits to the 2005 * total size. 2006 */ 2007 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7; 2008 n = DIV_ROUND_UP(n, 8); 2009 2010 return n; 2011 } 2012 2013 /* HE Operation defines */ 2014 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000003 2015 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008 2016 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0 2017 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4 2018 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000 2019 #define IEEE80211_HE_OPERATION_CO_LOCATED_BSS 0x00008000 2020 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000 2021 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000 2022 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24 2023 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 2024 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 2025 2026 /* 2027 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size 2028 * @he_oper_ie: byte data of the He Operations IE, stating from the the byte 2029 * after the ext ID byte. It is assumed that he_oper_ie has at least 2030 * sizeof(struct ieee80211_he_operation) bytes, checked already in 2031 * ieee802_11_parse_elems_crc() 2032 * @return the actual size of the IE data (not including header), or 0 on error 2033 */ 2034 static inline u8 2035 ieee80211_he_oper_size(const u8 *he_oper_ie) 2036 { 2037 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie; 2038 u8 oper_len = sizeof(struct ieee80211_he_operation); 2039 u32 he_oper_params; 2040 2041 /* Make sure the input is not NULL */ 2042 if (!he_oper_ie) 2043 return 0; 2044 2045 /* Calc required length */ 2046 he_oper_params = le32_to_cpu(he_oper->he_oper_params); 2047 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO) 2048 oper_len += 3; 2049 if (he_oper_params & IEEE80211_HE_OPERATION_CO_LOCATED_BSS) 2050 oper_len++; 2051 2052 /* Add the first byte (extension ID) to the total length */ 2053 oper_len++; 2054 2055 return oper_len; 2056 } 2057 2058 /* Authentication algorithms */ 2059 #define WLAN_AUTH_OPEN 0 2060 #define WLAN_AUTH_SHARED_KEY 1 2061 #define WLAN_AUTH_FT 2 2062 #define WLAN_AUTH_SAE 3 2063 #define WLAN_AUTH_FILS_SK 4 2064 #define WLAN_AUTH_FILS_SK_PFS 5 2065 #define WLAN_AUTH_FILS_PK 6 2066 #define WLAN_AUTH_LEAP 128 2067 2068 #define WLAN_AUTH_CHALLENGE_LEN 128 2069 2070 #define WLAN_CAPABILITY_ESS (1<<0) 2071 #define WLAN_CAPABILITY_IBSS (1<<1) 2072 2073 /* 2074 * A mesh STA sets the ESS and IBSS capability bits to zero. 2075 * however, this holds true for p2p probe responses (in the p2p_find 2076 * phase) as well. 2077 */ 2078 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 2079 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 2080 2081 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 2082 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 2083 #define WLAN_CAPABILITY_PRIVACY (1<<4) 2084 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 2085 #define WLAN_CAPABILITY_PBCC (1<<6) 2086 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 2087 2088 /* 802.11h */ 2089 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 2090 #define WLAN_CAPABILITY_QOS (1<<9) 2091 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 2092 #define WLAN_CAPABILITY_APSD (1<<11) 2093 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 2094 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 2095 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 2096 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 2097 2098 /* DMG (60gHz) 802.11ad */ 2099 /* type - bits 0..1 */ 2100 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 2101 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 2102 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 2103 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 2104 2105 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 2106 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 2107 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 2108 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 2109 2110 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 2111 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 2112 2113 /* measurement */ 2114 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 2115 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 2116 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 2117 2118 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 2119 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 2120 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 2121 2122 /* 802.11g ERP information element */ 2123 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 2124 #define WLAN_ERP_USE_PROTECTION (1<<1) 2125 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 2126 2127 /* WLAN_ERP_BARKER_PREAMBLE values */ 2128 enum { 2129 WLAN_ERP_PREAMBLE_SHORT = 0, 2130 WLAN_ERP_PREAMBLE_LONG = 1, 2131 }; 2132 2133 /* Band ID, 802.11ad #8.4.1.45 */ 2134 enum { 2135 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 2136 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 2137 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 2138 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 2139 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 2140 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 2141 }; 2142 2143 /* Status codes */ 2144 enum ieee80211_statuscode { 2145 WLAN_STATUS_SUCCESS = 0, 2146 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 2147 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 2148 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 2149 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 2150 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 2151 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 2152 WLAN_STATUS_CHALLENGE_FAIL = 15, 2153 WLAN_STATUS_AUTH_TIMEOUT = 16, 2154 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 2155 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 2156 /* 802.11b */ 2157 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 2158 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 2159 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 2160 /* 802.11h */ 2161 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 2162 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 2163 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 2164 /* 802.11g */ 2165 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 2166 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 2167 /* 802.11w */ 2168 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 2169 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 2170 /* 802.11i */ 2171 WLAN_STATUS_INVALID_IE = 40, 2172 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 2173 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 2174 WLAN_STATUS_INVALID_AKMP = 43, 2175 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 2176 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 2177 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 2178 /* 802.11e */ 2179 WLAN_STATUS_UNSPECIFIED_QOS = 32, 2180 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 2181 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 2182 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 2183 WLAN_STATUS_REQUEST_DECLINED = 37, 2184 WLAN_STATUS_INVALID_QOS_PARAM = 38, 2185 WLAN_STATUS_CHANGE_TSPEC = 39, 2186 WLAN_STATUS_WAIT_TS_DELAY = 47, 2187 WLAN_STATUS_NO_DIRECT_LINK = 48, 2188 WLAN_STATUS_STA_NOT_PRESENT = 49, 2189 WLAN_STATUS_STA_NOT_QSTA = 50, 2190 /* 802.11s */ 2191 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 2192 WLAN_STATUS_FCG_NOT_SUPP = 78, 2193 WLAN_STATUS_STA_NO_TBTT = 78, 2194 /* 802.11ad */ 2195 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 2196 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 2197 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 2198 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 2199 WLAN_STATUS_PERFORMING_FST_NOW = 87, 2200 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 2201 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 2202 WLAN_STATUS_REJECT_DSE_BAND = 96, 2203 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 2204 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 2205 /* 802.11ai */ 2206 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108, 2207 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109, 2208 }; 2209 2210 2211 /* Reason codes */ 2212 enum ieee80211_reasoncode { 2213 WLAN_REASON_UNSPECIFIED = 1, 2214 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 2215 WLAN_REASON_DEAUTH_LEAVING = 3, 2216 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 2217 WLAN_REASON_DISASSOC_AP_BUSY = 5, 2218 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 2219 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 2220 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 2221 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 2222 /* 802.11h */ 2223 WLAN_REASON_DISASSOC_BAD_POWER = 10, 2224 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 2225 /* 802.11i */ 2226 WLAN_REASON_INVALID_IE = 13, 2227 WLAN_REASON_MIC_FAILURE = 14, 2228 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 2229 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 2230 WLAN_REASON_IE_DIFFERENT = 17, 2231 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 2232 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 2233 WLAN_REASON_INVALID_AKMP = 20, 2234 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 2235 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 2236 WLAN_REASON_IEEE8021X_FAILED = 23, 2237 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 2238 /* TDLS (802.11z) */ 2239 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 2240 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 2241 /* 802.11e */ 2242 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 2243 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 2244 WLAN_REASON_DISASSOC_LOW_ACK = 34, 2245 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 2246 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 2247 WLAN_REASON_QSTA_NOT_USE = 37, 2248 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 2249 WLAN_REASON_QSTA_TIMEOUT = 39, 2250 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 2251 /* 802.11s */ 2252 WLAN_REASON_MESH_PEER_CANCELED = 52, 2253 WLAN_REASON_MESH_MAX_PEERS = 53, 2254 WLAN_REASON_MESH_CONFIG = 54, 2255 WLAN_REASON_MESH_CLOSE = 55, 2256 WLAN_REASON_MESH_MAX_RETRIES = 56, 2257 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 2258 WLAN_REASON_MESH_INVALID_GTK = 58, 2259 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 2260 WLAN_REASON_MESH_INVALID_SECURITY = 60, 2261 WLAN_REASON_MESH_PATH_ERROR = 61, 2262 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 2263 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 2264 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 2265 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 2266 WLAN_REASON_MESH_CHAN = 66, 2267 }; 2268 2269 2270 /* Information Element IDs */ 2271 enum ieee80211_eid { 2272 WLAN_EID_SSID = 0, 2273 WLAN_EID_SUPP_RATES = 1, 2274 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 2275 WLAN_EID_DS_PARAMS = 3, 2276 WLAN_EID_CF_PARAMS = 4, 2277 WLAN_EID_TIM = 5, 2278 WLAN_EID_IBSS_PARAMS = 6, 2279 WLAN_EID_COUNTRY = 7, 2280 /* 8, 9 reserved */ 2281 WLAN_EID_REQUEST = 10, 2282 WLAN_EID_QBSS_LOAD = 11, 2283 WLAN_EID_EDCA_PARAM_SET = 12, 2284 WLAN_EID_TSPEC = 13, 2285 WLAN_EID_TCLAS = 14, 2286 WLAN_EID_SCHEDULE = 15, 2287 WLAN_EID_CHALLENGE = 16, 2288 /* 17-31 reserved for challenge text extension */ 2289 WLAN_EID_PWR_CONSTRAINT = 32, 2290 WLAN_EID_PWR_CAPABILITY = 33, 2291 WLAN_EID_TPC_REQUEST = 34, 2292 WLAN_EID_TPC_REPORT = 35, 2293 WLAN_EID_SUPPORTED_CHANNELS = 36, 2294 WLAN_EID_CHANNEL_SWITCH = 37, 2295 WLAN_EID_MEASURE_REQUEST = 38, 2296 WLAN_EID_MEASURE_REPORT = 39, 2297 WLAN_EID_QUIET = 40, 2298 WLAN_EID_IBSS_DFS = 41, 2299 WLAN_EID_ERP_INFO = 42, 2300 WLAN_EID_TS_DELAY = 43, 2301 WLAN_EID_TCLAS_PROCESSING = 44, 2302 WLAN_EID_HT_CAPABILITY = 45, 2303 WLAN_EID_QOS_CAPA = 46, 2304 /* 47 reserved for Broadcom */ 2305 WLAN_EID_RSN = 48, 2306 WLAN_EID_802_15_COEX = 49, 2307 WLAN_EID_EXT_SUPP_RATES = 50, 2308 WLAN_EID_AP_CHAN_REPORT = 51, 2309 WLAN_EID_NEIGHBOR_REPORT = 52, 2310 WLAN_EID_RCPI = 53, 2311 WLAN_EID_MOBILITY_DOMAIN = 54, 2312 WLAN_EID_FAST_BSS_TRANSITION = 55, 2313 WLAN_EID_TIMEOUT_INTERVAL = 56, 2314 WLAN_EID_RIC_DATA = 57, 2315 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 2316 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 2317 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 2318 WLAN_EID_HT_OPERATION = 61, 2319 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 2320 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 2321 WLAN_EID_ANTENNA_INFO = 64, 2322 WLAN_EID_RSNI = 65, 2323 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 2324 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 2325 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 2326 WLAN_EID_TIME_ADVERTISEMENT = 69, 2327 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 2328 WLAN_EID_MULTIPLE_BSSID = 71, 2329 WLAN_EID_BSS_COEX_2040 = 72, 2330 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 2331 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 2332 WLAN_EID_RIC_DESCRIPTOR = 75, 2333 WLAN_EID_MMIE = 76, 2334 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 2335 WLAN_EID_EVENT_REQUEST = 78, 2336 WLAN_EID_EVENT_REPORT = 79, 2337 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 2338 WLAN_EID_DIAGNOSTIC_REPORT = 81, 2339 WLAN_EID_LOCATION_PARAMS = 82, 2340 WLAN_EID_NON_TX_BSSID_CAP = 83, 2341 WLAN_EID_SSID_LIST = 84, 2342 WLAN_EID_MULTI_BSSID_IDX = 85, 2343 WLAN_EID_FMS_DESCRIPTOR = 86, 2344 WLAN_EID_FMS_REQUEST = 87, 2345 WLAN_EID_FMS_RESPONSE = 88, 2346 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 2347 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 2348 WLAN_EID_TSF_REQUEST = 91, 2349 WLAN_EID_TSF_RESPOSNE = 92, 2350 WLAN_EID_WNM_SLEEP_MODE = 93, 2351 WLAN_EID_TIM_BCAST_REQ = 94, 2352 WLAN_EID_TIM_BCAST_RESP = 95, 2353 WLAN_EID_COLL_IF_REPORT = 96, 2354 WLAN_EID_CHANNEL_USAGE = 97, 2355 WLAN_EID_TIME_ZONE = 98, 2356 WLAN_EID_DMS_REQUEST = 99, 2357 WLAN_EID_DMS_RESPONSE = 100, 2358 WLAN_EID_LINK_ID = 101, 2359 WLAN_EID_WAKEUP_SCHEDUL = 102, 2360 /* 103 reserved */ 2361 WLAN_EID_CHAN_SWITCH_TIMING = 104, 2362 WLAN_EID_PTI_CONTROL = 105, 2363 WLAN_EID_PU_BUFFER_STATUS = 106, 2364 WLAN_EID_INTERWORKING = 107, 2365 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 2366 WLAN_EID_EXPEDITED_BW_REQ = 109, 2367 WLAN_EID_QOS_MAP_SET = 110, 2368 WLAN_EID_ROAMING_CONSORTIUM = 111, 2369 WLAN_EID_EMERGENCY_ALERT = 112, 2370 WLAN_EID_MESH_CONFIG = 113, 2371 WLAN_EID_MESH_ID = 114, 2372 WLAN_EID_LINK_METRIC_REPORT = 115, 2373 WLAN_EID_CONGESTION_NOTIFICATION = 116, 2374 WLAN_EID_PEER_MGMT = 117, 2375 WLAN_EID_CHAN_SWITCH_PARAM = 118, 2376 WLAN_EID_MESH_AWAKE_WINDOW = 119, 2377 WLAN_EID_BEACON_TIMING = 120, 2378 WLAN_EID_MCCAOP_SETUP_REQ = 121, 2379 WLAN_EID_MCCAOP_SETUP_RESP = 122, 2380 WLAN_EID_MCCAOP_ADVERT = 123, 2381 WLAN_EID_MCCAOP_TEARDOWN = 124, 2382 WLAN_EID_GANN = 125, 2383 WLAN_EID_RANN = 126, 2384 WLAN_EID_EXT_CAPABILITY = 127, 2385 /* 128, 129 reserved for Agere */ 2386 WLAN_EID_PREQ = 130, 2387 WLAN_EID_PREP = 131, 2388 WLAN_EID_PERR = 132, 2389 /* 133-136 reserved for Cisco */ 2390 WLAN_EID_PXU = 137, 2391 WLAN_EID_PXUC = 138, 2392 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 2393 WLAN_EID_MIC = 140, 2394 WLAN_EID_DESTINATION_URI = 141, 2395 WLAN_EID_UAPSD_COEX = 142, 2396 WLAN_EID_WAKEUP_SCHEDULE = 143, 2397 WLAN_EID_EXT_SCHEDULE = 144, 2398 WLAN_EID_STA_AVAILABILITY = 145, 2399 WLAN_EID_DMG_TSPEC = 146, 2400 WLAN_EID_DMG_AT = 147, 2401 WLAN_EID_DMG_CAP = 148, 2402 /* 149 reserved for Cisco */ 2403 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 2404 WLAN_EID_DMG_OPERATION = 151, 2405 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 2406 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 2407 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 2408 /* 155-156 reserved for Cisco */ 2409 WLAN_EID_AWAKE_WINDOW = 157, 2410 WLAN_EID_MULTI_BAND = 158, 2411 WLAN_EID_ADDBA_EXT = 159, 2412 WLAN_EID_NEXT_PCP_LIST = 160, 2413 WLAN_EID_PCP_HANDOVER = 161, 2414 WLAN_EID_DMG_LINK_MARGIN = 162, 2415 WLAN_EID_SWITCHING_STREAM = 163, 2416 WLAN_EID_SESSION_TRANSITION = 164, 2417 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 2418 WLAN_EID_CLUSTER_REPORT = 166, 2419 WLAN_EID_RELAY_CAP = 167, 2420 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 2421 WLAN_EID_BEAM_LINK_MAINT = 169, 2422 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 2423 WLAN_EID_U_PID = 171, 2424 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 2425 /* 173 reserved for Symbol */ 2426 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 2427 WLAN_EID_QUIET_PERIOD_REQ = 175, 2428 /* 176 reserved for Symbol */ 2429 WLAN_EID_QUIET_PERIOD_RESP = 177, 2430 /* 178-179 reserved for Symbol */ 2431 /* 180 reserved for ISO/IEC 20011 */ 2432 WLAN_EID_EPAC_POLICY = 182, 2433 WLAN_EID_CLISTER_TIME_OFF = 183, 2434 WLAN_EID_INTER_AC_PRIO = 184, 2435 WLAN_EID_SCS_DESCRIPTOR = 185, 2436 WLAN_EID_QLOAD_REPORT = 186, 2437 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 2438 WLAN_EID_HL_STREAM_ID = 188, 2439 WLAN_EID_GCR_GROUP_ADDR = 189, 2440 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 2441 WLAN_EID_VHT_CAPABILITY = 191, 2442 WLAN_EID_VHT_OPERATION = 192, 2443 WLAN_EID_EXTENDED_BSS_LOAD = 193, 2444 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 2445 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 2446 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 2447 WLAN_EID_AID = 197, 2448 WLAN_EID_QUIET_CHANNEL = 198, 2449 WLAN_EID_OPMODE_NOTIF = 199, 2450 2451 WLAN_EID_VENDOR_SPECIFIC = 221, 2452 WLAN_EID_QOS_PARAMETER = 222, 2453 WLAN_EID_CAG_NUMBER = 237, 2454 WLAN_EID_AP_CSN = 239, 2455 WLAN_EID_FILS_INDICATION = 240, 2456 WLAN_EID_DILS = 241, 2457 WLAN_EID_FRAGMENT = 242, 2458 WLAN_EID_EXTENSION = 255 2459 }; 2460 2461 /* Element ID Extensions for Element ID 255 */ 2462 enum ieee80211_eid_ext { 2463 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 2464 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 2465 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 2466 WLAN_EID_EXT_FILS_SESSION = 4, 2467 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 2468 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 2469 WLAN_EID_EXT_KEY_DELIVERY = 7, 2470 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 2471 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 2472 WLAN_EID_EXT_FILS_NONCE = 13, 2473 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14, 2474 WLAN_EID_EXT_HE_CAPABILITY = 35, 2475 WLAN_EID_EXT_HE_OPERATION = 36, 2476 WLAN_EID_EXT_UORA = 37, 2477 WLAN_EID_EXT_HE_MU_EDCA = 38, 2478 }; 2479 2480 /* Action category code */ 2481 enum ieee80211_category { 2482 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 2483 WLAN_CATEGORY_QOS = 1, 2484 WLAN_CATEGORY_DLS = 2, 2485 WLAN_CATEGORY_BACK = 3, 2486 WLAN_CATEGORY_PUBLIC = 4, 2487 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 2488 WLAN_CATEGORY_HT = 7, 2489 WLAN_CATEGORY_SA_QUERY = 8, 2490 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 2491 WLAN_CATEGORY_WNM = 10, 2492 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 2493 WLAN_CATEGORY_TDLS = 12, 2494 WLAN_CATEGORY_MESH_ACTION = 13, 2495 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 2496 WLAN_CATEGORY_SELF_PROTECTED = 15, 2497 WLAN_CATEGORY_DMG = 16, 2498 WLAN_CATEGORY_WMM = 17, 2499 WLAN_CATEGORY_FST = 18, 2500 WLAN_CATEGORY_UNPROT_DMG = 20, 2501 WLAN_CATEGORY_VHT = 21, 2502 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 2503 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 2504 }; 2505 2506 /* SPECTRUM_MGMT action code */ 2507 enum ieee80211_spectrum_mgmt_actioncode { 2508 WLAN_ACTION_SPCT_MSR_REQ = 0, 2509 WLAN_ACTION_SPCT_MSR_RPRT = 1, 2510 WLAN_ACTION_SPCT_TPC_REQ = 2, 2511 WLAN_ACTION_SPCT_TPC_RPRT = 3, 2512 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 2513 }; 2514 2515 /* HT action codes */ 2516 enum ieee80211_ht_actioncode { 2517 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 2518 WLAN_HT_ACTION_SMPS = 1, 2519 WLAN_HT_ACTION_PSMP = 2, 2520 WLAN_HT_ACTION_PCO_PHASE = 3, 2521 WLAN_HT_ACTION_CSI = 4, 2522 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 2523 WLAN_HT_ACTION_COMPRESSED_BF = 6, 2524 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 2525 }; 2526 2527 /* VHT action codes */ 2528 enum ieee80211_vht_actioncode { 2529 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 2530 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 2531 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 2532 }; 2533 2534 /* Self Protected Action codes */ 2535 enum ieee80211_self_protected_actioncode { 2536 WLAN_SP_RESERVED = 0, 2537 WLAN_SP_MESH_PEERING_OPEN = 1, 2538 WLAN_SP_MESH_PEERING_CONFIRM = 2, 2539 WLAN_SP_MESH_PEERING_CLOSE = 3, 2540 WLAN_SP_MGK_INFORM = 4, 2541 WLAN_SP_MGK_ACK = 5, 2542 }; 2543 2544 /* Mesh action codes */ 2545 enum ieee80211_mesh_actioncode { 2546 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2547 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2548 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2549 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2550 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2551 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2552 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2553 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2554 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2555 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2556 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2557 }; 2558 2559 /* Security key length */ 2560 enum ieee80211_key_len { 2561 WLAN_KEY_LEN_WEP40 = 5, 2562 WLAN_KEY_LEN_WEP104 = 13, 2563 WLAN_KEY_LEN_CCMP = 16, 2564 WLAN_KEY_LEN_CCMP_256 = 32, 2565 WLAN_KEY_LEN_TKIP = 32, 2566 WLAN_KEY_LEN_AES_CMAC = 16, 2567 WLAN_KEY_LEN_SMS4 = 32, 2568 WLAN_KEY_LEN_GCMP = 16, 2569 WLAN_KEY_LEN_GCMP_256 = 32, 2570 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2571 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2572 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2573 }; 2574 2575 #define IEEE80211_WEP_IV_LEN 4 2576 #define IEEE80211_WEP_ICV_LEN 4 2577 #define IEEE80211_CCMP_HDR_LEN 8 2578 #define IEEE80211_CCMP_MIC_LEN 8 2579 #define IEEE80211_CCMP_PN_LEN 6 2580 #define IEEE80211_CCMP_256_HDR_LEN 8 2581 #define IEEE80211_CCMP_256_MIC_LEN 16 2582 #define IEEE80211_CCMP_256_PN_LEN 6 2583 #define IEEE80211_TKIP_IV_LEN 8 2584 #define IEEE80211_TKIP_ICV_LEN 4 2585 #define IEEE80211_CMAC_PN_LEN 6 2586 #define IEEE80211_GMAC_PN_LEN 6 2587 #define IEEE80211_GCMP_HDR_LEN 8 2588 #define IEEE80211_GCMP_MIC_LEN 16 2589 #define IEEE80211_GCMP_PN_LEN 6 2590 2591 #define FILS_NONCE_LEN 16 2592 #define FILS_MAX_KEK_LEN 64 2593 2594 #define FILS_ERP_MAX_USERNAME_LEN 16 2595 #define FILS_ERP_MAX_REALM_LEN 253 2596 #define FILS_ERP_MAX_RRK_LEN 64 2597 2598 #define PMK_MAX_LEN 64 2599 2600 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */ 2601 enum ieee80211_pub_actioncode { 2602 WLAN_PUB_ACTION_20_40_BSS_COEX = 0, 2603 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1, 2604 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2, 2605 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3, 2606 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2607 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5, 2608 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6, 2609 WLAN_PUB_ACTION_MSMT_PILOT = 7, 2610 WLAN_PUB_ACTION_DSE_PC = 8, 2611 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9, 2612 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10, 2613 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11, 2614 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12, 2615 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13, 2616 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2617 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15, 2618 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16, 2619 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17, 2620 WLAN_PUB_ACTION_QMF_POLICY = 18, 2621 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19, 2622 WLAN_PUB_ACTION_QLOAD_REQUEST = 20, 2623 WLAN_PUB_ACTION_QLOAD_REPORT = 21, 2624 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22, 2625 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23, 2626 WLAN_PUB_ACTION_PUBLIC_KEY = 24, 2627 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25, 2628 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26, 2629 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27, 2630 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28, 2631 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29, 2632 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30, 2633 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31, 2634 WLAN_PUB_ACTION_FTM_REQUEST = 32, 2635 WLAN_PUB_ACTION_FTM = 33, 2636 WLAN_PUB_ACTION_FILS_DISCOVERY = 34, 2637 }; 2638 2639 /* TDLS action codes */ 2640 enum ieee80211_tdls_actioncode { 2641 WLAN_TDLS_SETUP_REQUEST = 0, 2642 WLAN_TDLS_SETUP_RESPONSE = 1, 2643 WLAN_TDLS_SETUP_CONFIRM = 2, 2644 WLAN_TDLS_TEARDOWN = 3, 2645 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 2646 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 2647 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 2648 WLAN_TDLS_PEER_PSM_REQUEST = 7, 2649 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 2650 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 2651 WLAN_TDLS_DISCOVERY_REQUEST = 10, 2652 }; 2653 2654 /* Extended Channel Switching capability to be set in the 1st byte of 2655 * the @WLAN_EID_EXT_CAPABILITY information element 2656 */ 2657 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 2658 2659 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 2660 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 2661 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 2662 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 2663 2664 /* Interworking capabilities are set in 7th bit of 4th byte of the 2665 * @WLAN_EID_EXT_CAPABILITY information element 2666 */ 2667 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 2668 2669 /* 2670 * TDLS capabililites to be enabled in the 5th byte of the 2671 * @WLAN_EID_EXT_CAPABILITY information element 2672 */ 2673 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 2674 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 2675 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 2676 2677 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 2678 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 2679 2680 /* Defines the maximal number of MSDUs in an A-MSDU. */ 2681 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 2682 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 2683 2684 /* 2685 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 2686 * information element 2687 */ 2688 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 2689 2690 /* Defines support for TWT Requester and TWT Responder */ 2691 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5) 2692 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6) 2693 2694 /* TDLS specific payload type in the LLC/SNAP header */ 2695 #define WLAN_TDLS_SNAP_RFTYPE 0x2 2696 2697 /* BSS Coex IE information field bits */ 2698 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 2699 2700 /** 2701 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier 2702 * 2703 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 2704 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 2705 * that will be specified in a vendor specific information element 2706 */ 2707 enum ieee80211_mesh_sync_method { 2708 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 2709 IEEE80211_SYNC_METHOD_VENDOR = 255, 2710 }; 2711 2712 /** 2713 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier 2714 * 2715 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 2716 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 2717 * be specified in a vendor specific information element 2718 */ 2719 enum ieee80211_mesh_path_protocol { 2720 IEEE80211_PATH_PROTOCOL_HWMP = 1, 2721 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 2722 }; 2723 2724 /** 2725 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier 2726 * 2727 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 2728 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 2729 * specified in a vendor specific information element 2730 */ 2731 enum ieee80211_mesh_path_metric { 2732 IEEE80211_PATH_METRIC_AIRTIME = 1, 2733 IEEE80211_PATH_METRIC_VENDOR = 255, 2734 }; 2735 2736 /** 2737 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 2738 * 2739 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 2740 * 2741 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 2742 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 2743 * this value 2744 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 2745 * the proactive PREQ with proactive PREP subfield set to 0 2746 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 2747 * supports the proactive PREQ with proactive PREP subfield set to 1 2748 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 2749 * the proactive RANN 2750 */ 2751 enum ieee80211_root_mode_identifier { 2752 IEEE80211_ROOTMODE_NO_ROOT = 0, 2753 IEEE80211_ROOTMODE_ROOT = 1, 2754 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 2755 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 2756 IEEE80211_PROACTIVE_RANN = 4, 2757 }; 2758 2759 /* 2760 * IEEE 802.11-2007 7.3.2.9 Country information element 2761 * 2762 * Minimum length is 8 octets, ie len must be evenly 2763 * divisible by 2 2764 */ 2765 2766 /* Although the spec says 8 I'm seeing 6 in practice */ 2767 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 2768 2769 /* The Country String field of the element shall be 3 octets in length */ 2770 #define IEEE80211_COUNTRY_STRING_LEN 3 2771 2772 /* 2773 * For regulatory extension stuff see IEEE 802.11-2007 2774 * Annex I (page 1141) and Annex J (page 1147). Also 2775 * review 7.3.2.9. 2776 * 2777 * When dot11RegulatoryClassesRequired is true and the 2778 * first_channel/reg_extension_id is >= 201 then the IE 2779 * compromises of the 'ext' struct represented below: 2780 * 2781 * - Regulatory extension ID - when generating IE this just needs 2782 * to be monotonically increasing for each triplet passed in 2783 * the IE 2784 * - Regulatory class - index into set of rules 2785 * - Coverage class - index into air propagation time (Table 7-27), 2786 * in microseconds, you can compute the air propagation time from 2787 * the index by multiplying by 3, so index 10 yields a propagation 2788 * of 10 us. Valid values are 0-31, values 32-255 are not defined 2789 * yet. A value of 0 inicates air propagation of <= 1 us. 2790 * 2791 * See also Table I.2 for Emission limit sets and table 2792 * I.3 for Behavior limit sets. Table J.1 indicates how to map 2793 * a reg_class to an emission limit set and behavior limit set. 2794 */ 2795 #define IEEE80211_COUNTRY_EXTENSION_ID 201 2796 2797 /* 2798 * Channels numbers in the IE must be monotonically increasing 2799 * if dot11RegulatoryClassesRequired is not true. 2800 * 2801 * If dot11RegulatoryClassesRequired is true consecutive 2802 * subband triplets following a regulatory triplet shall 2803 * have monotonically increasing first_channel number fields. 2804 * 2805 * Channel numbers shall not overlap. 2806 * 2807 * Note that max_power is signed. 2808 */ 2809 struct ieee80211_country_ie_triplet { 2810 union { 2811 struct { 2812 u8 first_channel; 2813 u8 num_channels; 2814 s8 max_power; 2815 } __packed chans; 2816 struct { 2817 u8 reg_extension_id; 2818 u8 reg_class; 2819 u8 coverage_class; 2820 } __packed ext; 2821 }; 2822 } __packed; 2823 2824 enum ieee80211_timeout_interval_type { 2825 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2826 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2827 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2828 }; 2829 2830 /** 2831 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2832 * @type: type, see &enum ieee80211_timeout_interval_type 2833 * @value: timeout interval value 2834 */ 2835 struct ieee80211_timeout_interval_ie { 2836 u8 type; 2837 __le32 value; 2838 } __packed; 2839 2840 /** 2841 * enum ieee80211_idle_options - BSS idle options 2842 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN 2843 * protected frame to the AP to reset the idle timer at the AP for 2844 * the station. 2845 */ 2846 enum ieee80211_idle_options { 2847 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0), 2848 }; 2849 2850 /** 2851 * struct ieee80211_bss_max_idle_period_ie 2852 * 2853 * This structure refers to "BSS Max idle period element" 2854 * 2855 * @max_idle_period: indicates the time period during which a station can 2856 * refrain from transmitting frames to its associated AP without being 2857 * disassociated. In units of 1000 TUs. 2858 * @idle_options: indicates the options associated with the BSS idle capability 2859 * as specified in &enum ieee80211_idle_options. 2860 */ 2861 struct ieee80211_bss_max_idle_period_ie { 2862 __le16 max_idle_period; 2863 u8 idle_options; 2864 } __packed; 2865 2866 /* BACK action code */ 2867 enum ieee80211_back_actioncode { 2868 WLAN_ACTION_ADDBA_REQ = 0, 2869 WLAN_ACTION_ADDBA_RESP = 1, 2870 WLAN_ACTION_DELBA = 2, 2871 }; 2872 2873 /* BACK (block-ack) parties */ 2874 enum ieee80211_back_parties { 2875 WLAN_BACK_RECIPIENT = 0, 2876 WLAN_BACK_INITIATOR = 1, 2877 }; 2878 2879 /* SA Query action */ 2880 enum ieee80211_sa_query_action { 2881 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2882 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2883 }; 2884 2885 2886 #define SUITE(oui, id) (((oui) << 8) | (id)) 2887 2888 /* cipher suite selectors */ 2889 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 2890 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 2891 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 2892 /* reserved: SUITE(0x000FAC, 3) */ 2893 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 2894 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 2895 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 2896 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 2897 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 2898 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 2899 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 2900 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 2901 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 2902 2903 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 2904 2905 /* AKM suite selectors */ 2906 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 2907 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 2908 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3) 2909 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4) 2910 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 2911 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 2912 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 2913 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 2914 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 2915 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11) 2916 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12) 2917 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14) 2918 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15) 2919 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16) 2920 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17) 2921 2922 #define WLAN_MAX_KEY_LEN 32 2923 2924 #define WLAN_PMK_NAME_LEN 16 2925 #define WLAN_PMKID_LEN 16 2926 #define WLAN_PMK_LEN_EAP_LEAP 16 2927 #define WLAN_PMK_LEN 32 2928 #define WLAN_PMK_LEN_SUITE_B_192 48 2929 2930 #define WLAN_OUI_WFA 0x506f9a 2931 #define WLAN_OUI_TYPE_WFA_P2P 9 2932 #define WLAN_OUI_MICROSOFT 0x0050f2 2933 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 2934 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 2935 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 2936 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8 2937 2938 /* 2939 * WMM/802.11e Tspec Element 2940 */ 2941 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 2942 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 2943 2944 enum ieee80211_tspec_status_code { 2945 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 2946 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 2947 }; 2948 2949 struct ieee80211_tspec_ie { 2950 u8 element_id; 2951 u8 len; 2952 u8 oui[3]; 2953 u8 oui_type; 2954 u8 oui_subtype; 2955 u8 version; 2956 __le16 tsinfo; 2957 u8 tsinfo_resvd; 2958 __le16 nominal_msdu; 2959 __le16 max_msdu; 2960 __le32 min_service_int; 2961 __le32 max_service_int; 2962 __le32 inactivity_int; 2963 __le32 suspension_int; 2964 __le32 service_start_time; 2965 __le32 min_data_rate; 2966 __le32 mean_data_rate; 2967 __le32 peak_data_rate; 2968 __le32 max_burst_size; 2969 __le32 delay_bound; 2970 __le32 min_phy_rate; 2971 __le16 sba; 2972 __le16 medium_time; 2973 } __packed; 2974 2975 /** 2976 * ieee80211_get_qos_ctl - get pointer to qos control bytes 2977 * @hdr: the frame 2978 * 2979 * The qos ctrl bytes come after the frame_control, duration, seq_num 2980 * and 3 or 4 addresses of length ETH_ALEN. 2981 * 3 addr: 2 + 2 + 2 + 3*6 = 24 2982 * 4 addr: 2 + 2 + 2 + 4*6 = 30 2983 */ 2984 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 2985 { 2986 if (ieee80211_has_a4(hdr->frame_control)) 2987 return (u8 *)hdr + 30; 2988 else 2989 return (u8 *)hdr + 24; 2990 } 2991 2992 /** 2993 * ieee80211_get_tid - get qos TID 2994 * @hdr: the frame 2995 */ 2996 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr) 2997 { 2998 u8 *qc = ieee80211_get_qos_ctl(hdr); 2999 3000 return qc[0] & IEEE80211_QOS_CTL_TID_MASK; 3001 } 3002 3003 /** 3004 * ieee80211_get_SA - get pointer to SA 3005 * @hdr: the frame 3006 * 3007 * Given an 802.11 frame, this function returns the offset 3008 * to the source address (SA). It does not verify that the 3009 * header is long enough to contain the address, and the 3010 * header must be long enough to contain the frame control 3011 * field. 3012 */ 3013 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 3014 { 3015 if (ieee80211_has_a4(hdr->frame_control)) 3016 return hdr->addr4; 3017 if (ieee80211_has_fromds(hdr->frame_control)) 3018 return hdr->addr3; 3019 return hdr->addr2; 3020 } 3021 3022 /** 3023 * ieee80211_get_DA - get pointer to DA 3024 * @hdr: the frame 3025 * 3026 * Given an 802.11 frame, this function returns the offset 3027 * to the destination address (DA). It does not verify that 3028 * the header is long enough to contain the address, and the 3029 * header must be long enough to contain the frame control 3030 * field. 3031 */ 3032 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 3033 { 3034 if (ieee80211_has_tods(hdr->frame_control)) 3035 return hdr->addr3; 3036 else 3037 return hdr->addr1; 3038 } 3039 3040 /** 3041 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 3042 * @hdr: the frame (buffer must include at least the first octet of payload) 3043 */ 3044 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 3045 { 3046 if (ieee80211_is_disassoc(hdr->frame_control) || 3047 ieee80211_is_deauth(hdr->frame_control)) 3048 return true; 3049 3050 if (ieee80211_is_action(hdr->frame_control)) { 3051 u8 *category; 3052 3053 /* 3054 * Action frames, excluding Public Action frames, are Robust 3055 * Management Frames. However, if we are looking at a Protected 3056 * frame, skip the check since the data may be encrypted and 3057 * the frame has already been found to be a Robust Management 3058 * Frame (by the other end). 3059 */ 3060 if (ieee80211_has_protected(hdr->frame_control)) 3061 return true; 3062 category = ((u8 *) hdr) + 24; 3063 return *category != WLAN_CATEGORY_PUBLIC && 3064 *category != WLAN_CATEGORY_HT && 3065 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 3066 *category != WLAN_CATEGORY_SELF_PROTECTED && 3067 *category != WLAN_CATEGORY_UNPROT_DMG && 3068 *category != WLAN_CATEGORY_VHT && 3069 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 3070 } 3071 3072 return false; 3073 } 3074 3075 /** 3076 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 3077 * @skb: the skb containing the frame, length will be checked 3078 */ 3079 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 3080 { 3081 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3082 return false; 3083 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 3084 } 3085 3086 /** 3087 * ieee80211_is_public_action - check if frame is a public action frame 3088 * @hdr: the frame 3089 * @len: length of the frame 3090 */ 3091 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 3092 size_t len) 3093 { 3094 struct ieee80211_mgmt *mgmt = (void *)hdr; 3095 3096 if (len < IEEE80211_MIN_ACTION_SIZE) 3097 return false; 3098 if (!ieee80211_is_action(hdr->frame_control)) 3099 return false; 3100 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 3101 } 3102 3103 /** 3104 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 3105 * privacy action frame 3106 * @hdr: the frame 3107 */ 3108 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 3109 { 3110 struct ieee80211_mgmt *mgmt = (void *)hdr; 3111 3112 if (!ieee80211_is_action(hdr->frame_control) || 3113 !is_multicast_ether_addr(hdr->addr1)) 3114 return false; 3115 3116 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 3117 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 3118 } 3119 3120 /** 3121 * ieee80211_is_group_privacy_action - check if frame is a group addressed 3122 * privacy action frame 3123 * @skb: the skb containing the frame, length will be checked 3124 */ 3125 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 3126 { 3127 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 3128 return false; 3129 return _ieee80211_is_group_privacy_action((void *)skb->data); 3130 } 3131 3132 /** 3133 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 3134 * @tu: the TUs 3135 */ 3136 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 3137 { 3138 return 1024 * tu; 3139 } 3140 3141 /** 3142 * ieee80211_check_tim - check if AID bit is set in TIM 3143 * @tim: the TIM IE 3144 * @tim_len: length of the TIM IE 3145 * @aid: the AID to look for 3146 */ 3147 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 3148 u8 tim_len, u16 aid) 3149 { 3150 u8 mask; 3151 u8 index, indexn1, indexn2; 3152 3153 if (unlikely(!tim || tim_len < sizeof(*tim))) 3154 return false; 3155 3156 aid &= 0x3fff; 3157 index = aid / 8; 3158 mask = 1 << (aid & 7); 3159 3160 indexn1 = tim->bitmap_ctrl & 0xfe; 3161 indexn2 = tim_len + indexn1 - 4; 3162 3163 if (index < indexn1 || index > indexn2) 3164 return false; 3165 3166 index -= indexn1; 3167 3168 return !!(tim->virtual_map[index] & mask); 3169 } 3170 3171 /** 3172 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 3173 * @skb: the skb containing the frame, length will not be checked 3174 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 3175 * 3176 * This function assumes the frame is a data frame, and that the network header 3177 * is in the correct place. 3178 */ 3179 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 3180 { 3181 if (!skb_is_nonlinear(skb) && 3182 skb->len > (skb_network_offset(skb) + 2)) { 3183 /* Point to where the indication of TDLS should start */ 3184 const u8 *tdls_data = skb_network_header(skb) - 2; 3185 3186 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 3187 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 3188 tdls_data[3] == WLAN_CATEGORY_TDLS) 3189 return tdls_data[4]; 3190 } 3191 3192 return -1; 3193 } 3194 3195 /* convert time units */ 3196 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 3197 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 3198 3199 /** 3200 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 3201 * @skb: the skb containing the frame, length will be checked 3202 * 3203 * This function checks if it's either TPC report action frame or Link 3204 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 3205 * and 8.5.7.5 accordingly. 3206 */ 3207 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 3208 { 3209 struct ieee80211_mgmt *mgmt = (void *)skb->data; 3210 3211 if (!ieee80211_is_action(mgmt->frame_control)) 3212 return false; 3213 3214 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 3215 sizeof(mgmt->u.action.u.tpc_report)) 3216 return false; 3217 3218 /* 3219 * TPC report - check that: 3220 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 3221 * spectrum management action = 3 (TPC/Link Measurement report) 3222 * TPC report EID = 35 3223 * TPC report element length = 2 3224 * 3225 * The spectrum management's tpc_report struct is used here both for 3226 * parsing tpc_report and radio measurement's link measurement report 3227 * frame, since the relevant part is identical in both frames. 3228 */ 3229 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 3230 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 3231 return false; 3232 3233 /* both spectrum mgmt and link measurement have same action code */ 3234 if (mgmt->u.action.u.tpc_report.action_code != 3235 WLAN_ACTION_SPCT_TPC_RPRT) 3236 return false; 3237 3238 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 3239 mgmt->u.action.u.tpc_report.tpc_elem_length != 3240 sizeof(struct ieee80211_tpc_report_ie)) 3241 return false; 3242 3243 return true; 3244 } 3245 3246 #endif /* LINUX_IEEE80211_H */ 3247