1 /* 2 * IEEE 802.11 defines 3 * 4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen 5 * <[email protected]> 6 * Copyright (c) 2002-2003, Jouni Malinen <[email protected]> 7 * Copyright (c) 2005, Devicescape Software, Inc. 8 * Copyright (c) 2006, Michael Wu <[email protected]> 9 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH 10 * Copyright (c) 2016 Intel Deutschland GmbH 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License version 2 as 14 * published by the Free Software Foundation. 15 */ 16 17 #ifndef LINUX_IEEE80211_H 18 #define LINUX_IEEE80211_H 19 20 #include <linux/types.h> 21 #include <linux/if_ether.h> 22 #include <linux/etherdevice.h> 23 #include <asm/byteorder.h> 24 #include <asm/unaligned.h> 25 26 /* 27 * DS bit usage 28 * 29 * TA = transmitter address 30 * RA = receiver address 31 * DA = destination address 32 * SA = source address 33 * 34 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use 35 * ----------------------------------------------------------------- 36 * 0 0 DA SA BSSID - IBSS/DLS 37 * 0 1 DA BSSID SA - AP -> STA 38 * 1 0 BSSID SA DA - AP <- STA 39 * 1 1 RA TA DA SA unspecified (WDS) 40 */ 41 42 #define FCS_LEN 4 43 44 #define IEEE80211_FCTL_VERS 0x0003 45 #define IEEE80211_FCTL_FTYPE 0x000c 46 #define IEEE80211_FCTL_STYPE 0x00f0 47 #define IEEE80211_FCTL_TODS 0x0100 48 #define IEEE80211_FCTL_FROMDS 0x0200 49 #define IEEE80211_FCTL_MOREFRAGS 0x0400 50 #define IEEE80211_FCTL_RETRY 0x0800 51 #define IEEE80211_FCTL_PM 0x1000 52 #define IEEE80211_FCTL_MOREDATA 0x2000 53 #define IEEE80211_FCTL_PROTECTED 0x4000 54 #define IEEE80211_FCTL_ORDER 0x8000 55 #define IEEE80211_FCTL_CTL_EXT 0x0f00 56 57 #define IEEE80211_SCTL_FRAG 0x000F 58 #define IEEE80211_SCTL_SEQ 0xFFF0 59 60 #define IEEE80211_FTYPE_MGMT 0x0000 61 #define IEEE80211_FTYPE_CTL 0x0004 62 #define IEEE80211_FTYPE_DATA 0x0008 63 #define IEEE80211_FTYPE_EXT 0x000c 64 65 /* management */ 66 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 67 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 68 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 69 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 70 #define IEEE80211_STYPE_PROBE_REQ 0x0040 71 #define IEEE80211_STYPE_PROBE_RESP 0x0050 72 #define IEEE80211_STYPE_BEACON 0x0080 73 #define IEEE80211_STYPE_ATIM 0x0090 74 #define IEEE80211_STYPE_DISASSOC 0x00A0 75 #define IEEE80211_STYPE_AUTH 0x00B0 76 #define IEEE80211_STYPE_DEAUTH 0x00C0 77 #define IEEE80211_STYPE_ACTION 0x00D0 78 79 /* control */ 80 #define IEEE80211_STYPE_CTL_EXT 0x0060 81 #define IEEE80211_STYPE_BACK_REQ 0x0080 82 #define IEEE80211_STYPE_BACK 0x0090 83 #define IEEE80211_STYPE_PSPOLL 0x00A0 84 #define IEEE80211_STYPE_RTS 0x00B0 85 #define IEEE80211_STYPE_CTS 0x00C0 86 #define IEEE80211_STYPE_ACK 0x00D0 87 #define IEEE80211_STYPE_CFEND 0x00E0 88 #define IEEE80211_STYPE_CFENDACK 0x00F0 89 90 /* data */ 91 #define IEEE80211_STYPE_DATA 0x0000 92 #define IEEE80211_STYPE_DATA_CFACK 0x0010 93 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 94 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 95 #define IEEE80211_STYPE_NULLFUNC 0x0040 96 #define IEEE80211_STYPE_CFACK 0x0050 97 #define IEEE80211_STYPE_CFPOLL 0x0060 98 #define IEEE80211_STYPE_CFACKPOLL 0x0070 99 #define IEEE80211_STYPE_QOS_DATA 0x0080 100 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 103 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 104 #define IEEE80211_STYPE_QOS_CFACK 0x00D0 105 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 106 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 107 108 /* extension, added by 802.11ad */ 109 #define IEEE80211_STYPE_DMG_BEACON 0x0000 110 111 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ 112 #define IEEE80211_CTL_EXT_POLL 0x2000 113 #define IEEE80211_CTL_EXT_SPR 0x3000 114 #define IEEE80211_CTL_EXT_GRANT 0x4000 115 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 116 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 117 #define IEEE80211_CTL_EXT_SSW 0x8000 118 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 119 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 120 121 122 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) 123 #define IEEE80211_MAX_SN IEEE80211_SN_MASK 124 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) 125 126 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) 127 { 128 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); 129 } 130 131 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) 132 { 133 return (sn1 + sn2) & IEEE80211_SN_MASK; 134 } 135 136 static inline u16 ieee80211_sn_inc(u16 sn) 137 { 138 return ieee80211_sn_add(sn, 1); 139 } 140 141 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) 142 { 143 return (sn1 - sn2) & IEEE80211_SN_MASK; 144 } 145 146 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 147 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 148 149 /* miscellaneous IEEE 802.11 constants */ 150 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 151 #define IEEE80211_MAX_RTS_THRESHOLD 2353 152 #define IEEE80211_MAX_AID 2007 153 #define IEEE80211_MAX_TIM_LEN 251 154 #define IEEE80211_MAX_MESH_PEERINGS 63 155 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 156 6.2.1.1.2. 157 158 802.11e clarifies the figure in section 7.1.2. The frame body is 159 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 160 #define IEEE80211_MAX_DATA_LEN 2304 161 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks 162 * to 7920 bytes, see 8.2.3 General frame format 163 */ 164 #define IEEE80211_MAX_DATA_LEN_DMG 7920 165 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 166 #define IEEE80211_MAX_FRAME_LEN 2352 167 168 /* Maximal size of an A-MSDU that can be transported in a HT BA session */ 169 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095 170 171 /* Maximal size of an A-MSDU */ 172 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 173 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 174 175 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 176 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 177 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 178 179 #define IEEE80211_MAX_SSID_LEN 32 180 181 #define IEEE80211_MAX_MESH_ID_LEN 32 182 183 #define IEEE80211_FIRST_TSPEC_TSID 8 184 #define IEEE80211_NUM_TIDS 16 185 186 /* number of user priorities 802.11 uses */ 187 #define IEEE80211_NUM_UPS 8 188 /* number of ACs */ 189 #define IEEE80211_NUM_ACS 4 190 191 #define IEEE80211_QOS_CTL_LEN 2 192 /* 1d tag mask */ 193 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 194 /* TID mask */ 195 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 196 /* EOSP */ 197 #define IEEE80211_QOS_CTL_EOSP 0x0010 198 /* ACK policy */ 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 200 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 201 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 202 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 203 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 204 /* A-MSDU 802.11n */ 205 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 206 /* Mesh Control 802.11s */ 207 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 208 209 /* Mesh Power Save Level */ 210 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 211 /* Mesh Receiver Service Period Initiated */ 212 #define IEEE80211_QOS_CTL_RSPI 0x0400 213 214 /* U-APSD queue for WMM IEs sent by AP */ 215 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 216 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 217 218 /* U-APSD queues for WMM IEs sent by STA */ 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 223 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 224 225 /* U-APSD max SP length for WMM IEs sent by STA */ 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 230 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 231 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 232 233 #define IEEE80211_HT_CTL_LEN 4 234 235 struct ieee80211_hdr { 236 __le16 frame_control; 237 __le16 duration_id; 238 u8 addr1[ETH_ALEN]; 239 u8 addr2[ETH_ALEN]; 240 u8 addr3[ETH_ALEN]; 241 __le16 seq_ctrl; 242 u8 addr4[ETH_ALEN]; 243 } __packed __aligned(2); 244 245 struct ieee80211_hdr_3addr { 246 __le16 frame_control; 247 __le16 duration_id; 248 u8 addr1[ETH_ALEN]; 249 u8 addr2[ETH_ALEN]; 250 u8 addr3[ETH_ALEN]; 251 __le16 seq_ctrl; 252 } __packed __aligned(2); 253 254 struct ieee80211_qos_hdr { 255 __le16 frame_control; 256 __le16 duration_id; 257 u8 addr1[ETH_ALEN]; 258 u8 addr2[ETH_ALEN]; 259 u8 addr3[ETH_ALEN]; 260 __le16 seq_ctrl; 261 __le16 qos_ctrl; 262 } __packed __aligned(2); 263 264 /** 265 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 266 * @fc: frame control bytes in little-endian byteorder 267 */ 268 static inline bool ieee80211_has_tods(__le16 fc) 269 { 270 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 271 } 272 273 /** 274 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 275 * @fc: frame control bytes in little-endian byteorder 276 */ 277 static inline bool ieee80211_has_fromds(__le16 fc) 278 { 279 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 280 } 281 282 /** 283 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 284 * @fc: frame control bytes in little-endian byteorder 285 */ 286 static inline bool ieee80211_has_a4(__le16 fc) 287 { 288 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 289 return (fc & tmp) == tmp; 290 } 291 292 /** 293 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 294 * @fc: frame control bytes in little-endian byteorder 295 */ 296 static inline bool ieee80211_has_morefrags(__le16 fc) 297 { 298 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 299 } 300 301 /** 302 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 303 * @fc: frame control bytes in little-endian byteorder 304 */ 305 static inline bool ieee80211_has_retry(__le16 fc) 306 { 307 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 308 } 309 310 /** 311 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 312 * @fc: frame control bytes in little-endian byteorder 313 */ 314 static inline bool ieee80211_has_pm(__le16 fc) 315 { 316 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 317 } 318 319 /** 320 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 321 * @fc: frame control bytes in little-endian byteorder 322 */ 323 static inline bool ieee80211_has_moredata(__le16 fc) 324 { 325 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 326 } 327 328 /** 329 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 330 * @fc: frame control bytes in little-endian byteorder 331 */ 332 static inline bool ieee80211_has_protected(__le16 fc) 333 { 334 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 335 } 336 337 /** 338 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 339 * @fc: frame control bytes in little-endian byteorder 340 */ 341 static inline bool ieee80211_has_order(__le16 fc) 342 { 343 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 344 } 345 346 /** 347 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 348 * @fc: frame control bytes in little-endian byteorder 349 */ 350 static inline bool ieee80211_is_mgmt(__le16 fc) 351 { 352 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 353 cpu_to_le16(IEEE80211_FTYPE_MGMT); 354 } 355 356 /** 357 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 358 * @fc: frame control bytes in little-endian byteorder 359 */ 360 static inline bool ieee80211_is_ctl(__le16 fc) 361 { 362 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 363 cpu_to_le16(IEEE80211_FTYPE_CTL); 364 } 365 366 /** 367 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 368 * @fc: frame control bytes in little-endian byteorder 369 */ 370 static inline bool ieee80211_is_data(__le16 fc) 371 { 372 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 373 cpu_to_le16(IEEE80211_FTYPE_DATA); 374 } 375 376 /** 377 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 378 * @fc: frame control bytes in little-endian byteorder 379 */ 380 static inline bool ieee80211_is_data_qos(__le16 fc) 381 { 382 /* 383 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 384 * to check the one bit 385 */ 386 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 387 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 388 } 389 390 /** 391 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 392 * @fc: frame control bytes in little-endian byteorder 393 */ 394 static inline bool ieee80211_is_data_present(__le16 fc) 395 { 396 /* 397 * mask with 0x40 and test that that bit is clear to only return true 398 * for the data-containing substypes. 399 */ 400 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 401 cpu_to_le16(IEEE80211_FTYPE_DATA); 402 } 403 404 /** 405 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 406 * @fc: frame control bytes in little-endian byteorder 407 */ 408 static inline bool ieee80211_is_assoc_req(__le16 fc) 409 { 410 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 411 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 412 } 413 414 /** 415 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 416 * @fc: frame control bytes in little-endian byteorder 417 */ 418 static inline bool ieee80211_is_assoc_resp(__le16 fc) 419 { 420 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 421 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 422 } 423 424 /** 425 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 426 * @fc: frame control bytes in little-endian byteorder 427 */ 428 static inline bool ieee80211_is_reassoc_req(__le16 fc) 429 { 430 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 431 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 432 } 433 434 /** 435 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 436 * @fc: frame control bytes in little-endian byteorder 437 */ 438 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 439 { 440 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 441 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 442 } 443 444 /** 445 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 446 * @fc: frame control bytes in little-endian byteorder 447 */ 448 static inline bool ieee80211_is_probe_req(__le16 fc) 449 { 450 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 451 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 452 } 453 454 /** 455 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 456 * @fc: frame control bytes in little-endian byteorder 457 */ 458 static inline bool ieee80211_is_probe_resp(__le16 fc) 459 { 460 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 461 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 462 } 463 464 /** 465 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 466 * @fc: frame control bytes in little-endian byteorder 467 */ 468 static inline bool ieee80211_is_beacon(__le16 fc) 469 { 470 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 471 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 472 } 473 474 /** 475 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 476 * @fc: frame control bytes in little-endian byteorder 477 */ 478 static inline bool ieee80211_is_atim(__le16 fc) 479 { 480 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 481 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 482 } 483 484 /** 485 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 486 * @fc: frame control bytes in little-endian byteorder 487 */ 488 static inline bool ieee80211_is_disassoc(__le16 fc) 489 { 490 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 491 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 492 } 493 494 /** 495 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 496 * @fc: frame control bytes in little-endian byteorder 497 */ 498 static inline bool ieee80211_is_auth(__le16 fc) 499 { 500 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 501 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 502 } 503 504 /** 505 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 506 * @fc: frame control bytes in little-endian byteorder 507 */ 508 static inline bool ieee80211_is_deauth(__le16 fc) 509 { 510 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 511 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 512 } 513 514 /** 515 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 516 * @fc: frame control bytes in little-endian byteorder 517 */ 518 static inline bool ieee80211_is_action(__le16 fc) 519 { 520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 521 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 522 } 523 524 /** 525 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 526 * @fc: frame control bytes in little-endian byteorder 527 */ 528 static inline bool ieee80211_is_back_req(__le16 fc) 529 { 530 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 531 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 532 } 533 534 /** 535 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 536 * @fc: frame control bytes in little-endian byteorder 537 */ 538 static inline bool ieee80211_is_back(__le16 fc) 539 { 540 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 541 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 542 } 543 544 /** 545 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 546 * @fc: frame control bytes in little-endian byteorder 547 */ 548 static inline bool ieee80211_is_pspoll(__le16 fc) 549 { 550 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 551 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 552 } 553 554 /** 555 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 556 * @fc: frame control bytes in little-endian byteorder 557 */ 558 static inline bool ieee80211_is_rts(__le16 fc) 559 { 560 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 561 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 562 } 563 564 /** 565 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 566 * @fc: frame control bytes in little-endian byteorder 567 */ 568 static inline bool ieee80211_is_cts(__le16 fc) 569 { 570 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 571 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 572 } 573 574 /** 575 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 576 * @fc: frame control bytes in little-endian byteorder 577 */ 578 static inline bool ieee80211_is_ack(__le16 fc) 579 { 580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 581 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 582 } 583 584 /** 585 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 586 * @fc: frame control bytes in little-endian byteorder 587 */ 588 static inline bool ieee80211_is_cfend(__le16 fc) 589 { 590 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 591 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 592 } 593 594 /** 595 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 596 * @fc: frame control bytes in little-endian byteorder 597 */ 598 static inline bool ieee80211_is_cfendack(__le16 fc) 599 { 600 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 601 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 602 } 603 604 /** 605 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 606 * @fc: frame control bytes in little-endian byteorder 607 */ 608 static inline bool ieee80211_is_nullfunc(__le16 fc) 609 { 610 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 611 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 612 } 613 614 /** 615 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 616 * @fc: frame control bytes in little-endian byteorder 617 */ 618 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 619 { 620 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 621 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 622 } 623 624 /** 625 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 626 * @fc: frame control field in little-endian byteorder 627 */ 628 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) 629 { 630 /* IEEE 802.11-2012, definition of "bufferable management frame"; 631 * note that this ignores the IBSS special case. */ 632 return ieee80211_is_mgmt(fc) && 633 (ieee80211_is_action(fc) || 634 ieee80211_is_disassoc(fc) || 635 ieee80211_is_deauth(fc)); 636 } 637 638 /** 639 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 640 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 641 */ 642 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 643 { 644 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 645 } 646 647 /** 648 * ieee80211_is_frag - check if a frame is a fragment 649 * @hdr: 802.11 header of the frame 650 */ 651 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 652 { 653 return ieee80211_has_morefrags(hdr->frame_control) || 654 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 655 } 656 657 struct ieee80211s_hdr { 658 u8 flags; 659 u8 ttl; 660 __le32 seqnum; 661 u8 eaddr1[ETH_ALEN]; 662 u8 eaddr2[ETH_ALEN]; 663 } __packed __aligned(2); 664 665 /* Mesh flags */ 666 #define MESH_FLAGS_AE_A4 0x1 667 #define MESH_FLAGS_AE_A5_A6 0x2 668 #define MESH_FLAGS_AE 0x3 669 #define MESH_FLAGS_PS_DEEP 0x4 670 671 /** 672 * enum ieee80211_preq_flags - mesh PREQ element flags 673 * 674 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 675 */ 676 enum ieee80211_preq_flags { 677 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 678 }; 679 680 /** 681 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 682 * 683 * @IEEE80211_PREQ_TO_FLAG: target only subfield 684 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 685 */ 686 enum ieee80211_preq_target_flags { 687 IEEE80211_PREQ_TO_FLAG = 1<<0, 688 IEEE80211_PREQ_USN_FLAG = 1<<2, 689 }; 690 691 /** 692 * struct ieee80211_quiet_ie 693 * 694 * This structure refers to "Quiet information element" 695 */ 696 struct ieee80211_quiet_ie { 697 u8 count; 698 u8 period; 699 __le16 duration; 700 __le16 offset; 701 } __packed; 702 703 /** 704 * struct ieee80211_msrment_ie 705 * 706 * This structure refers to "Measurement Request/Report information element" 707 */ 708 struct ieee80211_msrment_ie { 709 u8 token; 710 u8 mode; 711 u8 type; 712 u8 request[0]; 713 } __packed; 714 715 /** 716 * struct ieee80211_channel_sw_ie 717 * 718 * This structure refers to "Channel Switch Announcement information element" 719 */ 720 struct ieee80211_channel_sw_ie { 721 u8 mode; 722 u8 new_ch_num; 723 u8 count; 724 } __packed; 725 726 /** 727 * struct ieee80211_ext_chansw_ie 728 * 729 * This structure represents the "Extended Channel Switch Announcement element" 730 */ 731 struct ieee80211_ext_chansw_ie { 732 u8 mode; 733 u8 new_operating_class; 734 u8 new_ch_num; 735 u8 count; 736 } __packed; 737 738 /** 739 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 740 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 741 * values here 742 * This structure represents the "Secondary Channel Offset element" 743 */ 744 struct ieee80211_sec_chan_offs_ie { 745 u8 sec_chan_offs; 746 } __packed; 747 748 /** 749 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 750 * 751 * This structure represents the "Mesh Channel Switch Paramters element" 752 */ 753 struct ieee80211_mesh_chansw_params_ie { 754 u8 mesh_ttl; 755 u8 mesh_flags; 756 __le16 mesh_reason; 757 __le16 mesh_pre_value; 758 } __packed; 759 760 /** 761 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 762 */ 763 struct ieee80211_wide_bw_chansw_ie { 764 u8 new_channel_width; 765 u8 new_center_freq_seg0, new_center_freq_seg1; 766 } __packed; 767 768 /** 769 * struct ieee80211_tim 770 * 771 * This structure refers to "Traffic Indication Map information element" 772 */ 773 struct ieee80211_tim_ie { 774 u8 dtim_count; 775 u8 dtim_period; 776 u8 bitmap_ctrl; 777 /* variable size: 1 - 251 bytes */ 778 u8 virtual_map[1]; 779 } __packed; 780 781 /** 782 * struct ieee80211_meshconf_ie 783 * 784 * This structure refers to "Mesh Configuration information element" 785 */ 786 struct ieee80211_meshconf_ie { 787 u8 meshconf_psel; 788 u8 meshconf_pmetric; 789 u8 meshconf_congest; 790 u8 meshconf_synch; 791 u8 meshconf_auth; 792 u8 meshconf_form; 793 u8 meshconf_cap; 794 } __packed; 795 796 /** 797 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 798 * 799 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 800 * additional mesh peerings with other mesh STAs 801 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 802 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 803 * is ongoing 804 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 805 * neighbors in deep sleep mode 806 */ 807 enum mesh_config_capab_flags { 808 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 809 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 810 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 811 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 812 }; 813 814 /** 815 * mesh channel switch parameters element's flag indicator 816 * 817 */ 818 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 819 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 820 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 821 822 /** 823 * struct ieee80211_rann_ie 824 * 825 * This structure refers to "Root Announcement information element" 826 */ 827 struct ieee80211_rann_ie { 828 u8 rann_flags; 829 u8 rann_hopcount; 830 u8 rann_ttl; 831 u8 rann_addr[ETH_ALEN]; 832 __le32 rann_seq; 833 __le32 rann_interval; 834 __le32 rann_metric; 835 } __packed; 836 837 enum ieee80211_rann_flags { 838 RANN_FLAG_IS_GATE = 1 << 0, 839 }; 840 841 enum ieee80211_ht_chanwidth_values { 842 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 843 IEEE80211_HT_CHANWIDTH_ANY = 1, 844 }; 845 846 /** 847 * enum ieee80211_opmode_bits - VHT operating mode field bits 848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 854 * (the NSS value is the value of this field + 1) 855 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 857 * using a beamforming steering matrix 858 */ 859 enum ieee80211_vht_opmode_bits { 860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 862 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 865 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 866 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 867 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 868 }; 869 870 #define WLAN_SA_QUERY_TR_ID_LEN 2 871 #define WLAN_MEMBERSHIP_LEN 8 872 #define WLAN_USER_POSITION_LEN 16 873 874 /** 875 * struct ieee80211_tpc_report_ie 876 * 877 * This structure refers to "TPC Report element" 878 */ 879 struct ieee80211_tpc_report_ie { 880 u8 tx_power; 881 u8 link_margin; 882 } __packed; 883 884 struct ieee80211_mgmt { 885 __le16 frame_control; 886 __le16 duration; 887 u8 da[ETH_ALEN]; 888 u8 sa[ETH_ALEN]; 889 u8 bssid[ETH_ALEN]; 890 __le16 seq_ctrl; 891 union { 892 struct { 893 __le16 auth_alg; 894 __le16 auth_transaction; 895 __le16 status_code; 896 /* possibly followed by Challenge text */ 897 u8 variable[0]; 898 } __packed auth; 899 struct { 900 __le16 reason_code; 901 } __packed deauth; 902 struct { 903 __le16 capab_info; 904 __le16 listen_interval; 905 /* followed by SSID and Supported rates */ 906 u8 variable[0]; 907 } __packed assoc_req; 908 struct { 909 __le16 capab_info; 910 __le16 status_code; 911 __le16 aid; 912 /* followed by Supported rates */ 913 u8 variable[0]; 914 } __packed assoc_resp, reassoc_resp; 915 struct { 916 __le16 capab_info; 917 __le16 listen_interval; 918 u8 current_ap[ETH_ALEN]; 919 /* followed by SSID and Supported rates */ 920 u8 variable[0]; 921 } __packed reassoc_req; 922 struct { 923 __le16 reason_code; 924 } __packed disassoc; 925 struct { 926 __le64 timestamp; 927 __le16 beacon_int; 928 __le16 capab_info; 929 /* followed by some of SSID, Supported rates, 930 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 931 u8 variable[0]; 932 } __packed beacon; 933 struct { 934 /* only variable items: SSID, Supported rates */ 935 u8 variable[0]; 936 } __packed probe_req; 937 struct { 938 __le64 timestamp; 939 __le16 beacon_int; 940 __le16 capab_info; 941 /* followed by some of SSID, Supported rates, 942 * FH Params, DS Params, CF Params, IBSS Params */ 943 u8 variable[0]; 944 } __packed probe_resp; 945 struct { 946 u8 category; 947 union { 948 struct { 949 u8 action_code; 950 u8 dialog_token; 951 u8 status_code; 952 u8 variable[0]; 953 } __packed wme_action; 954 struct{ 955 u8 action_code; 956 u8 variable[0]; 957 } __packed chan_switch; 958 struct{ 959 u8 action_code; 960 struct ieee80211_ext_chansw_ie data; 961 u8 variable[0]; 962 } __packed ext_chan_switch; 963 struct{ 964 u8 action_code; 965 u8 dialog_token; 966 u8 element_id; 967 u8 length; 968 struct ieee80211_msrment_ie msr_elem; 969 } __packed measurement; 970 struct{ 971 u8 action_code; 972 u8 dialog_token; 973 __le16 capab; 974 __le16 timeout; 975 __le16 start_seq_num; 976 } __packed addba_req; 977 struct{ 978 u8 action_code; 979 u8 dialog_token; 980 __le16 status; 981 __le16 capab; 982 __le16 timeout; 983 } __packed addba_resp; 984 struct{ 985 u8 action_code; 986 __le16 params; 987 __le16 reason_code; 988 } __packed delba; 989 struct { 990 u8 action_code; 991 u8 variable[0]; 992 } __packed self_prot; 993 struct{ 994 u8 action_code; 995 u8 variable[0]; 996 } __packed mesh_action; 997 struct { 998 u8 action; 999 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 1000 } __packed sa_query; 1001 struct { 1002 u8 action; 1003 u8 smps_control; 1004 } __packed ht_smps; 1005 struct { 1006 u8 action_code; 1007 u8 chanwidth; 1008 } __packed ht_notify_cw; 1009 struct { 1010 u8 action_code; 1011 u8 dialog_token; 1012 __le16 capability; 1013 u8 variable[0]; 1014 } __packed tdls_discover_resp; 1015 struct { 1016 u8 action_code; 1017 u8 operating_mode; 1018 } __packed vht_opmode_notif; 1019 struct { 1020 u8 action_code; 1021 u8 membership[WLAN_MEMBERSHIP_LEN]; 1022 u8 position[WLAN_USER_POSITION_LEN]; 1023 } __packed vht_group_notif; 1024 struct { 1025 u8 action_code; 1026 u8 dialog_token; 1027 u8 tpc_elem_id; 1028 u8 tpc_elem_length; 1029 struct ieee80211_tpc_report_ie tpc; 1030 } __packed tpc_report; 1031 struct { 1032 u8 action_code; 1033 u8 dialog_token; 1034 u8 follow_up; 1035 u8 tod[6]; 1036 u8 toa[6]; 1037 __le16 tod_error; 1038 __le16 toa_error; 1039 u8 variable[0]; 1040 } __packed ftm; 1041 } u; 1042 } __packed action; 1043 } u; 1044 } __packed __aligned(2); 1045 1046 /* Supported rates membership selectors */ 1047 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1048 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126 1049 1050 /* mgmt header + 1 byte category code */ 1051 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1052 1053 1054 /* Management MIC information element (IEEE 802.11w) */ 1055 struct ieee80211_mmie { 1056 u8 element_id; 1057 u8 length; 1058 __le16 key_id; 1059 u8 sequence_number[6]; 1060 u8 mic[8]; 1061 } __packed; 1062 1063 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1064 struct ieee80211_mmie_16 { 1065 u8 element_id; 1066 u8 length; 1067 __le16 key_id; 1068 u8 sequence_number[6]; 1069 u8 mic[16]; 1070 } __packed; 1071 1072 struct ieee80211_vendor_ie { 1073 u8 element_id; 1074 u8 len; 1075 u8 oui[3]; 1076 u8 oui_type; 1077 } __packed; 1078 1079 struct ieee80211_wmm_ac_param { 1080 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1081 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1082 __le16 txop_limit; 1083 } __packed; 1084 1085 struct ieee80211_wmm_param_ie { 1086 u8 element_id; /* Element ID: 221 (0xdd); */ 1087 u8 len; /* Length: 24 */ 1088 /* required fields for WMM version 1 */ 1089 u8 oui[3]; /* 00:50:f2 */ 1090 u8 oui_type; /* 2 */ 1091 u8 oui_subtype; /* 1 */ 1092 u8 version; /* 1 for WMM version 1.0 */ 1093 u8 qos_info; /* AP/STA specific QoS info */ 1094 u8 reserved; /* 0 */ 1095 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1096 struct ieee80211_wmm_ac_param ac[4]; 1097 } __packed; 1098 1099 /* Control frames */ 1100 struct ieee80211_rts { 1101 __le16 frame_control; 1102 __le16 duration; 1103 u8 ra[ETH_ALEN]; 1104 u8 ta[ETH_ALEN]; 1105 } __packed __aligned(2); 1106 1107 struct ieee80211_cts { 1108 __le16 frame_control; 1109 __le16 duration; 1110 u8 ra[ETH_ALEN]; 1111 } __packed __aligned(2); 1112 1113 struct ieee80211_pspoll { 1114 __le16 frame_control; 1115 __le16 aid; 1116 u8 bssid[ETH_ALEN]; 1117 u8 ta[ETH_ALEN]; 1118 } __packed __aligned(2); 1119 1120 /* TDLS */ 1121 1122 /* Channel switch timing */ 1123 struct ieee80211_ch_switch_timing { 1124 __le16 switch_time; 1125 __le16 switch_timeout; 1126 } __packed; 1127 1128 /* Link-id information element */ 1129 struct ieee80211_tdls_lnkie { 1130 u8 ie_type; /* Link Identifier IE */ 1131 u8 ie_len; 1132 u8 bssid[ETH_ALEN]; 1133 u8 init_sta[ETH_ALEN]; 1134 u8 resp_sta[ETH_ALEN]; 1135 } __packed; 1136 1137 struct ieee80211_tdls_data { 1138 u8 da[ETH_ALEN]; 1139 u8 sa[ETH_ALEN]; 1140 __be16 ether_type; 1141 u8 payload_type; 1142 u8 category; 1143 u8 action_code; 1144 union { 1145 struct { 1146 u8 dialog_token; 1147 __le16 capability; 1148 u8 variable[0]; 1149 } __packed setup_req; 1150 struct { 1151 __le16 status_code; 1152 u8 dialog_token; 1153 __le16 capability; 1154 u8 variable[0]; 1155 } __packed setup_resp; 1156 struct { 1157 __le16 status_code; 1158 u8 dialog_token; 1159 u8 variable[0]; 1160 } __packed setup_cfm; 1161 struct { 1162 __le16 reason_code; 1163 u8 variable[0]; 1164 } __packed teardown; 1165 struct { 1166 u8 dialog_token; 1167 u8 variable[0]; 1168 } __packed discover_req; 1169 struct { 1170 u8 target_channel; 1171 u8 oper_class; 1172 u8 variable[0]; 1173 } __packed chan_switch_req; 1174 struct { 1175 __le16 status_code; 1176 u8 variable[0]; 1177 } __packed chan_switch_resp; 1178 } u; 1179 } __packed; 1180 1181 /* 1182 * Peer-to-Peer IE attribute related definitions. 1183 */ 1184 /** 1185 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1186 */ 1187 enum ieee80211_p2p_attr_id { 1188 IEEE80211_P2P_ATTR_STATUS = 0, 1189 IEEE80211_P2P_ATTR_MINOR_REASON, 1190 IEEE80211_P2P_ATTR_CAPABILITY, 1191 IEEE80211_P2P_ATTR_DEVICE_ID, 1192 IEEE80211_P2P_ATTR_GO_INTENT, 1193 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1194 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1195 IEEE80211_P2P_ATTR_GROUP_BSSID, 1196 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1197 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1198 IEEE80211_P2P_ATTR_MANAGABILITY, 1199 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1200 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1201 IEEE80211_P2P_ATTR_DEVICE_INFO, 1202 IEEE80211_P2P_ATTR_GROUP_INFO, 1203 IEEE80211_P2P_ATTR_GROUP_ID, 1204 IEEE80211_P2P_ATTR_INTERFACE, 1205 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1206 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1207 /* 19 - 220: Reserved */ 1208 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1209 1210 IEEE80211_P2P_ATTR_MAX 1211 }; 1212 1213 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1214 /* Typical max value used here */ 1215 #define IEEE80211_P2P_NOA_DESC_MAX 4 1216 1217 struct ieee80211_p2p_noa_desc { 1218 u8 count; 1219 __le32 duration; 1220 __le32 interval; 1221 __le32 start_time; 1222 } __packed; 1223 1224 struct ieee80211_p2p_noa_attr { 1225 u8 index; 1226 u8 oppps_ctwindow; 1227 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1228 } __packed; 1229 1230 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1231 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1232 1233 /** 1234 * struct ieee80211_bar - HT Block Ack Request 1235 * 1236 * This structure refers to "HT BlockAckReq" as 1237 * described in 802.11n draft section 7.2.1.7.1 1238 */ 1239 struct ieee80211_bar { 1240 __le16 frame_control; 1241 __le16 duration; 1242 __u8 ra[ETH_ALEN]; 1243 __u8 ta[ETH_ALEN]; 1244 __le16 control; 1245 __le16 start_seq_num; 1246 } __packed; 1247 1248 /* 802.11 BAR control masks */ 1249 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1250 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1251 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1252 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1253 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1254 1255 #define IEEE80211_HT_MCS_MASK_LEN 10 1256 1257 /** 1258 * struct ieee80211_mcs_info - MCS information 1259 * @rx_mask: RX mask 1260 * @rx_highest: highest supported RX rate. If set represents 1261 * the highest supported RX data rate in units of 1 Mbps. 1262 * If this field is 0 this value should not be used to 1263 * consider the highest RX data rate supported. 1264 * @tx_params: TX parameters 1265 */ 1266 struct ieee80211_mcs_info { 1267 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1268 __le16 rx_highest; 1269 u8 tx_params; 1270 u8 reserved[3]; 1271 } __packed; 1272 1273 /* 802.11n HT capability MSC set */ 1274 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1275 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1276 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1277 /* value 0 == 1 stream etc */ 1278 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1279 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1280 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1281 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1282 1283 /* 1284 * 802.11n D5.0 20.3.5 / 20.6 says: 1285 * - indices 0 to 7 and 32 are single spatial stream 1286 * - 8 to 31 are multiple spatial streams using equal modulation 1287 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1288 * - remainder are multiple spatial streams using unequal modulation 1289 */ 1290 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1291 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1292 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1293 1294 /** 1295 * struct ieee80211_ht_cap - HT capabilities 1296 * 1297 * This structure is the "HT capabilities element" as 1298 * described in 802.11n D5.0 7.3.2.57 1299 */ 1300 struct ieee80211_ht_cap { 1301 __le16 cap_info; 1302 u8 ampdu_params_info; 1303 1304 /* 16 bytes MCS information */ 1305 struct ieee80211_mcs_info mcs; 1306 1307 __le16 extended_ht_cap_info; 1308 __le32 tx_BF_cap_info; 1309 u8 antenna_selection_info; 1310 } __packed; 1311 1312 /* 802.11n HT capabilities masks (for cap_info) */ 1313 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1314 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1315 #define IEEE80211_HT_CAP_SM_PS 0x000C 1316 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1317 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1318 #define IEEE80211_HT_CAP_SGI_20 0x0020 1319 #define IEEE80211_HT_CAP_SGI_40 0x0040 1320 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1321 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1322 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1323 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1324 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1325 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1326 #define IEEE80211_HT_CAP_RESERVED 0x2000 1327 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1328 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1329 1330 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1331 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1332 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1333 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1334 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1335 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1336 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1337 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1338 1339 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1340 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1341 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1342 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1343 1344 /* 1345 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1346 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1347 */ 1348 enum ieee80211_max_ampdu_length_exp { 1349 IEEE80211_HT_MAX_AMPDU_8K = 0, 1350 IEEE80211_HT_MAX_AMPDU_16K = 1, 1351 IEEE80211_HT_MAX_AMPDU_32K = 2, 1352 IEEE80211_HT_MAX_AMPDU_64K = 3 1353 }; 1354 1355 /* 1356 * Maximum length of AMPDU that the STA can receive in VHT. 1357 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1358 */ 1359 enum ieee80211_vht_max_ampdu_length_exp { 1360 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1361 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1362 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1363 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1364 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1365 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1366 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1367 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1368 }; 1369 1370 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1371 1372 /* Minimum MPDU start spacing */ 1373 enum ieee80211_min_mpdu_spacing { 1374 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1375 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1376 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1377 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1378 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1379 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1380 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1381 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1382 }; 1383 1384 /** 1385 * struct ieee80211_ht_operation - HT operation IE 1386 * 1387 * This structure is the "HT operation element" as 1388 * described in 802.11n-2009 7.3.2.57 1389 */ 1390 struct ieee80211_ht_operation { 1391 u8 primary_chan; 1392 u8 ht_param; 1393 __le16 operation_mode; 1394 __le16 stbc_param; 1395 u8 basic_set[16]; 1396 } __packed; 1397 1398 /* for ht_param */ 1399 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1400 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1401 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1402 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1403 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1404 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1405 1406 /* for operation_mode */ 1407 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1408 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1409 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1410 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1411 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1412 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1413 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1414 1415 /* for stbc_param */ 1416 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1417 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1418 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1419 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1420 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1421 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1422 1423 1424 /* block-ack parameters */ 1425 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1426 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1427 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1428 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1429 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1430 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1431 1432 /* 1433 * A-PMDU buffer sizes 1434 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) 1435 */ 1436 #define IEEE80211_MIN_AMPDU_BUF 0x8 1437 #define IEEE80211_MAX_AMPDU_BUF 0x40 1438 1439 1440 /* Spatial Multiplexing Power Save Modes (for capability) */ 1441 #define WLAN_HT_CAP_SM_PS_STATIC 0 1442 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1443 #define WLAN_HT_CAP_SM_PS_INVALID 2 1444 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1445 1446 /* for SM power control field lower two bits */ 1447 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1448 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1449 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1450 1451 /** 1452 * struct ieee80211_vht_mcs_info - VHT MCS information 1453 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1454 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1455 * STA can receive. Rate expressed in units of 1 Mbps. 1456 * If this field is 0 this value should not be used to 1457 * consider the highest RX data rate supported. 1458 * The top 3 bits of this field are reserved. 1459 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1460 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1461 * STA can transmit. Rate expressed in units of 1 Mbps. 1462 * If this field is 0 this value should not be used to 1463 * consider the highest TX data rate supported. 1464 * The top 3 bits of this field are reserved. 1465 */ 1466 struct ieee80211_vht_mcs_info { 1467 __le16 rx_mcs_map; 1468 __le16 rx_highest; 1469 __le16 tx_mcs_map; 1470 __le16 tx_highest; 1471 } __packed; 1472 1473 /** 1474 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1475 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1476 * number of streams 1477 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1478 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1479 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1480 * 1481 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1482 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1483 * both split into 8 subfields by number of streams. These values indicate 1484 * which MCSes are supported for the number of streams the value appears 1485 * for. 1486 */ 1487 enum ieee80211_vht_mcs_support { 1488 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1489 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1490 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1491 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1492 }; 1493 1494 /** 1495 * struct ieee80211_vht_cap - VHT capabilities 1496 * 1497 * This structure is the "VHT capabilities element" as 1498 * described in 802.11ac D3.0 8.4.2.160 1499 * @vht_cap_info: VHT capability info 1500 * @supp_mcs: VHT MCS supported rates 1501 */ 1502 struct ieee80211_vht_cap { 1503 __le32 vht_cap_info; 1504 struct ieee80211_vht_mcs_info supp_mcs; 1505 } __packed; 1506 1507 /** 1508 * enum ieee80211_vht_chanwidth - VHT channel width 1509 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1510 * determine the channel width (20 or 40 MHz) 1511 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1512 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1513 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1514 */ 1515 enum ieee80211_vht_chanwidth { 1516 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1517 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1518 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1519 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1520 }; 1521 1522 /** 1523 * struct ieee80211_vht_operation - VHT operation IE 1524 * 1525 * This structure is the "VHT operation element" as 1526 * described in 802.11ac D3.0 8.4.2.161 1527 * @chan_width: Operating channel width 1528 * @center_freq_seg1_idx: center freq segment 1 index 1529 * @center_freq_seg2_idx: center freq segment 2 index 1530 * @basic_mcs_set: VHT Basic MCS rate set 1531 */ 1532 struct ieee80211_vht_operation { 1533 u8 chan_width; 1534 u8 center_freq_seg1_idx; 1535 u8 center_freq_seg2_idx; 1536 __le16 basic_mcs_set; 1537 } __packed; 1538 1539 1540 /* 802.11ac VHT Capabilities */ 1541 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1542 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1543 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1544 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1545 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1546 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1547 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1548 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1549 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1550 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1551 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1552 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1553 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1554 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1555 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1556 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1557 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1558 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1559 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1560 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1561 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1562 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1563 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1564 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1565 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1566 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1567 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1568 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1569 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1570 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1571 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1572 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1573 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1574 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1575 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1576 1577 /* Authentication algorithms */ 1578 #define WLAN_AUTH_OPEN 0 1579 #define WLAN_AUTH_SHARED_KEY 1 1580 #define WLAN_AUTH_FT 2 1581 #define WLAN_AUTH_SAE 3 1582 #define WLAN_AUTH_FILS_SK 4 1583 #define WLAN_AUTH_FILS_SK_PFS 5 1584 #define WLAN_AUTH_FILS_PK 6 1585 #define WLAN_AUTH_LEAP 128 1586 1587 #define WLAN_AUTH_CHALLENGE_LEN 128 1588 1589 #define WLAN_CAPABILITY_ESS (1<<0) 1590 #define WLAN_CAPABILITY_IBSS (1<<1) 1591 1592 /* 1593 * A mesh STA sets the ESS and IBSS capability bits to zero. 1594 * however, this holds true for p2p probe responses (in the p2p_find 1595 * phase) as well. 1596 */ 1597 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 1598 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 1599 1600 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 1601 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 1602 #define WLAN_CAPABILITY_PRIVACY (1<<4) 1603 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 1604 #define WLAN_CAPABILITY_PBCC (1<<6) 1605 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 1606 1607 /* 802.11h */ 1608 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 1609 #define WLAN_CAPABILITY_QOS (1<<9) 1610 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 1611 #define WLAN_CAPABILITY_APSD (1<<11) 1612 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 1613 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 1614 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 1615 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 1616 1617 /* DMG (60gHz) 802.11ad */ 1618 /* type - bits 0..1 */ 1619 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 1620 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 1621 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 1622 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 1623 1624 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 1625 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 1626 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 1627 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 1628 1629 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 1630 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 1631 1632 /* measurement */ 1633 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 1634 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 1635 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 1636 1637 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 1638 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 1639 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 1640 1641 /* 802.11g ERP information element */ 1642 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 1643 #define WLAN_ERP_USE_PROTECTION (1<<1) 1644 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 1645 1646 /* WLAN_ERP_BARKER_PREAMBLE values */ 1647 enum { 1648 WLAN_ERP_PREAMBLE_SHORT = 0, 1649 WLAN_ERP_PREAMBLE_LONG = 1, 1650 }; 1651 1652 /* Band ID, 802.11ad #8.4.1.45 */ 1653 enum { 1654 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 1655 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 1656 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 1657 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 1658 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 1659 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 1660 }; 1661 1662 /* Status codes */ 1663 enum ieee80211_statuscode { 1664 WLAN_STATUS_SUCCESS = 0, 1665 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 1666 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 1667 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 1668 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 1669 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 1670 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 1671 WLAN_STATUS_CHALLENGE_FAIL = 15, 1672 WLAN_STATUS_AUTH_TIMEOUT = 16, 1673 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 1674 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 1675 /* 802.11b */ 1676 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 1677 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 1678 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 1679 /* 802.11h */ 1680 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 1681 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 1682 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 1683 /* 802.11g */ 1684 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 1685 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 1686 /* 802.11w */ 1687 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 1688 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 1689 /* 802.11i */ 1690 WLAN_STATUS_INVALID_IE = 40, 1691 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 1692 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 1693 WLAN_STATUS_INVALID_AKMP = 43, 1694 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 1695 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 1696 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 1697 /* 802.11e */ 1698 WLAN_STATUS_UNSPECIFIED_QOS = 32, 1699 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 1700 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 1701 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 1702 WLAN_STATUS_REQUEST_DECLINED = 37, 1703 WLAN_STATUS_INVALID_QOS_PARAM = 38, 1704 WLAN_STATUS_CHANGE_TSPEC = 39, 1705 WLAN_STATUS_WAIT_TS_DELAY = 47, 1706 WLAN_STATUS_NO_DIRECT_LINK = 48, 1707 WLAN_STATUS_STA_NOT_PRESENT = 49, 1708 WLAN_STATUS_STA_NOT_QSTA = 50, 1709 /* 802.11s */ 1710 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 1711 WLAN_STATUS_FCG_NOT_SUPP = 78, 1712 WLAN_STATUS_STA_NO_TBTT = 78, 1713 /* 802.11ad */ 1714 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 1715 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 1716 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 1717 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 1718 WLAN_STATUS_PERFORMING_FST_NOW = 87, 1719 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 1720 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 1721 WLAN_STATUS_REJECT_DSE_BAND = 96, 1722 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 1723 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 1724 }; 1725 1726 1727 /* Reason codes */ 1728 enum ieee80211_reasoncode { 1729 WLAN_REASON_UNSPECIFIED = 1, 1730 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 1731 WLAN_REASON_DEAUTH_LEAVING = 3, 1732 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 1733 WLAN_REASON_DISASSOC_AP_BUSY = 5, 1734 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 1735 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 1736 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 1737 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 1738 /* 802.11h */ 1739 WLAN_REASON_DISASSOC_BAD_POWER = 10, 1740 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 1741 /* 802.11i */ 1742 WLAN_REASON_INVALID_IE = 13, 1743 WLAN_REASON_MIC_FAILURE = 14, 1744 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 1745 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 1746 WLAN_REASON_IE_DIFFERENT = 17, 1747 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 1748 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 1749 WLAN_REASON_INVALID_AKMP = 20, 1750 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 1751 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 1752 WLAN_REASON_IEEE8021X_FAILED = 23, 1753 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 1754 /* TDLS (802.11z) */ 1755 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 1756 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 1757 /* 802.11e */ 1758 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 1759 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 1760 WLAN_REASON_DISASSOC_LOW_ACK = 34, 1761 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 1762 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 1763 WLAN_REASON_QSTA_NOT_USE = 37, 1764 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 1765 WLAN_REASON_QSTA_TIMEOUT = 39, 1766 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 1767 /* 802.11s */ 1768 WLAN_REASON_MESH_PEER_CANCELED = 52, 1769 WLAN_REASON_MESH_MAX_PEERS = 53, 1770 WLAN_REASON_MESH_CONFIG = 54, 1771 WLAN_REASON_MESH_CLOSE = 55, 1772 WLAN_REASON_MESH_MAX_RETRIES = 56, 1773 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 1774 WLAN_REASON_MESH_INVALID_GTK = 58, 1775 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 1776 WLAN_REASON_MESH_INVALID_SECURITY = 60, 1777 WLAN_REASON_MESH_PATH_ERROR = 61, 1778 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 1779 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 1780 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 1781 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 1782 WLAN_REASON_MESH_CHAN = 66, 1783 }; 1784 1785 1786 /* Information Element IDs */ 1787 enum ieee80211_eid { 1788 WLAN_EID_SSID = 0, 1789 WLAN_EID_SUPP_RATES = 1, 1790 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 1791 WLAN_EID_DS_PARAMS = 3, 1792 WLAN_EID_CF_PARAMS = 4, 1793 WLAN_EID_TIM = 5, 1794 WLAN_EID_IBSS_PARAMS = 6, 1795 WLAN_EID_COUNTRY = 7, 1796 /* 8, 9 reserved */ 1797 WLAN_EID_REQUEST = 10, 1798 WLAN_EID_QBSS_LOAD = 11, 1799 WLAN_EID_EDCA_PARAM_SET = 12, 1800 WLAN_EID_TSPEC = 13, 1801 WLAN_EID_TCLAS = 14, 1802 WLAN_EID_SCHEDULE = 15, 1803 WLAN_EID_CHALLENGE = 16, 1804 /* 17-31 reserved for challenge text extension */ 1805 WLAN_EID_PWR_CONSTRAINT = 32, 1806 WLAN_EID_PWR_CAPABILITY = 33, 1807 WLAN_EID_TPC_REQUEST = 34, 1808 WLAN_EID_TPC_REPORT = 35, 1809 WLAN_EID_SUPPORTED_CHANNELS = 36, 1810 WLAN_EID_CHANNEL_SWITCH = 37, 1811 WLAN_EID_MEASURE_REQUEST = 38, 1812 WLAN_EID_MEASURE_REPORT = 39, 1813 WLAN_EID_QUIET = 40, 1814 WLAN_EID_IBSS_DFS = 41, 1815 WLAN_EID_ERP_INFO = 42, 1816 WLAN_EID_TS_DELAY = 43, 1817 WLAN_EID_TCLAS_PROCESSING = 44, 1818 WLAN_EID_HT_CAPABILITY = 45, 1819 WLAN_EID_QOS_CAPA = 46, 1820 /* 47 reserved for Broadcom */ 1821 WLAN_EID_RSN = 48, 1822 WLAN_EID_802_15_COEX = 49, 1823 WLAN_EID_EXT_SUPP_RATES = 50, 1824 WLAN_EID_AP_CHAN_REPORT = 51, 1825 WLAN_EID_NEIGHBOR_REPORT = 52, 1826 WLAN_EID_RCPI = 53, 1827 WLAN_EID_MOBILITY_DOMAIN = 54, 1828 WLAN_EID_FAST_BSS_TRANSITION = 55, 1829 WLAN_EID_TIMEOUT_INTERVAL = 56, 1830 WLAN_EID_RIC_DATA = 57, 1831 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 1832 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 1833 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 1834 WLAN_EID_HT_OPERATION = 61, 1835 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 1836 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 1837 WLAN_EID_ANTENNA_INFO = 64, 1838 WLAN_EID_RSNI = 65, 1839 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 1840 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 1841 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 1842 WLAN_EID_TIME_ADVERTISEMENT = 69, 1843 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 1844 WLAN_EID_MULTIPLE_BSSID = 71, 1845 WLAN_EID_BSS_COEX_2040 = 72, 1846 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 1847 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 1848 WLAN_EID_RIC_DESCRIPTOR = 75, 1849 WLAN_EID_MMIE = 76, 1850 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 1851 WLAN_EID_EVENT_REQUEST = 78, 1852 WLAN_EID_EVENT_REPORT = 79, 1853 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 1854 WLAN_EID_DIAGNOSTIC_REPORT = 81, 1855 WLAN_EID_LOCATION_PARAMS = 82, 1856 WLAN_EID_NON_TX_BSSID_CAP = 83, 1857 WLAN_EID_SSID_LIST = 84, 1858 WLAN_EID_MULTI_BSSID_IDX = 85, 1859 WLAN_EID_FMS_DESCRIPTOR = 86, 1860 WLAN_EID_FMS_REQUEST = 87, 1861 WLAN_EID_FMS_RESPONSE = 88, 1862 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 1863 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 1864 WLAN_EID_TSF_REQUEST = 91, 1865 WLAN_EID_TSF_RESPOSNE = 92, 1866 WLAN_EID_WNM_SLEEP_MODE = 93, 1867 WLAN_EID_TIM_BCAST_REQ = 94, 1868 WLAN_EID_TIM_BCAST_RESP = 95, 1869 WLAN_EID_COLL_IF_REPORT = 96, 1870 WLAN_EID_CHANNEL_USAGE = 97, 1871 WLAN_EID_TIME_ZONE = 98, 1872 WLAN_EID_DMS_REQUEST = 99, 1873 WLAN_EID_DMS_RESPONSE = 100, 1874 WLAN_EID_LINK_ID = 101, 1875 WLAN_EID_WAKEUP_SCHEDUL = 102, 1876 /* 103 reserved */ 1877 WLAN_EID_CHAN_SWITCH_TIMING = 104, 1878 WLAN_EID_PTI_CONTROL = 105, 1879 WLAN_EID_PU_BUFFER_STATUS = 106, 1880 WLAN_EID_INTERWORKING = 107, 1881 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 1882 WLAN_EID_EXPEDITED_BW_REQ = 109, 1883 WLAN_EID_QOS_MAP_SET = 110, 1884 WLAN_EID_ROAMING_CONSORTIUM = 111, 1885 WLAN_EID_EMERGENCY_ALERT = 112, 1886 WLAN_EID_MESH_CONFIG = 113, 1887 WLAN_EID_MESH_ID = 114, 1888 WLAN_EID_LINK_METRIC_REPORT = 115, 1889 WLAN_EID_CONGESTION_NOTIFICATION = 116, 1890 WLAN_EID_PEER_MGMT = 117, 1891 WLAN_EID_CHAN_SWITCH_PARAM = 118, 1892 WLAN_EID_MESH_AWAKE_WINDOW = 119, 1893 WLAN_EID_BEACON_TIMING = 120, 1894 WLAN_EID_MCCAOP_SETUP_REQ = 121, 1895 WLAN_EID_MCCAOP_SETUP_RESP = 122, 1896 WLAN_EID_MCCAOP_ADVERT = 123, 1897 WLAN_EID_MCCAOP_TEARDOWN = 124, 1898 WLAN_EID_GANN = 125, 1899 WLAN_EID_RANN = 126, 1900 WLAN_EID_EXT_CAPABILITY = 127, 1901 /* 128, 129 reserved for Agere */ 1902 WLAN_EID_PREQ = 130, 1903 WLAN_EID_PREP = 131, 1904 WLAN_EID_PERR = 132, 1905 /* 133-136 reserved for Cisco */ 1906 WLAN_EID_PXU = 137, 1907 WLAN_EID_PXUC = 138, 1908 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 1909 WLAN_EID_MIC = 140, 1910 WLAN_EID_DESTINATION_URI = 141, 1911 WLAN_EID_UAPSD_COEX = 142, 1912 WLAN_EID_WAKEUP_SCHEDULE = 143, 1913 WLAN_EID_EXT_SCHEDULE = 144, 1914 WLAN_EID_STA_AVAILABILITY = 145, 1915 WLAN_EID_DMG_TSPEC = 146, 1916 WLAN_EID_DMG_AT = 147, 1917 WLAN_EID_DMG_CAP = 148, 1918 /* 149 reserved for Cisco */ 1919 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 1920 WLAN_EID_DMG_OPERATION = 151, 1921 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 1922 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 1923 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 1924 /* 155-156 reserved for Cisco */ 1925 WLAN_EID_AWAKE_WINDOW = 157, 1926 WLAN_EID_MULTI_BAND = 158, 1927 WLAN_EID_ADDBA_EXT = 159, 1928 WLAN_EID_NEXT_PCP_LIST = 160, 1929 WLAN_EID_PCP_HANDOVER = 161, 1930 WLAN_EID_DMG_LINK_MARGIN = 162, 1931 WLAN_EID_SWITCHING_STREAM = 163, 1932 WLAN_EID_SESSION_TRANSITION = 164, 1933 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 1934 WLAN_EID_CLUSTER_REPORT = 166, 1935 WLAN_EID_RELAY_CAP = 167, 1936 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 1937 WLAN_EID_BEAM_LINK_MAINT = 169, 1938 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 1939 WLAN_EID_U_PID = 171, 1940 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 1941 /* 173 reserved for Symbol */ 1942 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 1943 WLAN_EID_QUIET_PERIOD_REQ = 175, 1944 /* 176 reserved for Symbol */ 1945 WLAN_EID_QUIET_PERIOD_RESP = 177, 1946 /* 178-179 reserved for Symbol */ 1947 /* 180 reserved for ISO/IEC 20011 */ 1948 WLAN_EID_EPAC_POLICY = 182, 1949 WLAN_EID_CLISTER_TIME_OFF = 183, 1950 WLAN_EID_INTER_AC_PRIO = 184, 1951 WLAN_EID_SCS_DESCRIPTOR = 185, 1952 WLAN_EID_QLOAD_REPORT = 186, 1953 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 1954 WLAN_EID_HL_STREAM_ID = 188, 1955 WLAN_EID_GCR_GROUP_ADDR = 189, 1956 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 1957 WLAN_EID_VHT_CAPABILITY = 191, 1958 WLAN_EID_VHT_OPERATION = 192, 1959 WLAN_EID_EXTENDED_BSS_LOAD = 193, 1960 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 1961 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 1962 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 1963 WLAN_EID_AID = 197, 1964 WLAN_EID_QUIET_CHANNEL = 198, 1965 WLAN_EID_OPMODE_NOTIF = 199, 1966 1967 WLAN_EID_VENDOR_SPECIFIC = 221, 1968 WLAN_EID_QOS_PARAMETER = 222, 1969 WLAN_EID_CAG_NUMBER = 237, 1970 WLAN_EID_AP_CSN = 239, 1971 WLAN_EID_FILS_INDICATION = 240, 1972 WLAN_EID_DILS = 241, 1973 WLAN_EID_FRAGMENT = 242, 1974 WLAN_EID_EXTENSION = 255 1975 }; 1976 1977 /* Element ID Extensions for Element ID 255 */ 1978 enum ieee80211_eid_ext { 1979 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1, 1980 WLAN_EID_EXT_FILS_REQ_PARAMS = 2, 1981 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3, 1982 WLAN_EID_EXT_FILS_SESSION = 4, 1983 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5, 1984 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6, 1985 WLAN_EID_EXT_KEY_DELIVERY = 7, 1986 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8, 1987 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12, 1988 WLAN_EID_EXT_FILS_NONCE = 13, 1989 }; 1990 1991 /* Action category code */ 1992 enum ieee80211_category { 1993 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 1994 WLAN_CATEGORY_QOS = 1, 1995 WLAN_CATEGORY_DLS = 2, 1996 WLAN_CATEGORY_BACK = 3, 1997 WLAN_CATEGORY_PUBLIC = 4, 1998 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 1999 WLAN_CATEGORY_HT = 7, 2000 WLAN_CATEGORY_SA_QUERY = 8, 2001 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 2002 WLAN_CATEGORY_WNM = 10, 2003 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 2004 WLAN_CATEGORY_TDLS = 12, 2005 WLAN_CATEGORY_MESH_ACTION = 13, 2006 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 2007 WLAN_CATEGORY_SELF_PROTECTED = 15, 2008 WLAN_CATEGORY_DMG = 16, 2009 WLAN_CATEGORY_WMM = 17, 2010 WLAN_CATEGORY_FST = 18, 2011 WLAN_CATEGORY_UNPROT_DMG = 20, 2012 WLAN_CATEGORY_VHT = 21, 2013 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 2014 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 2015 }; 2016 2017 /* SPECTRUM_MGMT action code */ 2018 enum ieee80211_spectrum_mgmt_actioncode { 2019 WLAN_ACTION_SPCT_MSR_REQ = 0, 2020 WLAN_ACTION_SPCT_MSR_RPRT = 1, 2021 WLAN_ACTION_SPCT_TPC_REQ = 2, 2022 WLAN_ACTION_SPCT_TPC_RPRT = 3, 2023 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 2024 }; 2025 2026 /* HT action codes */ 2027 enum ieee80211_ht_actioncode { 2028 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 2029 WLAN_HT_ACTION_SMPS = 1, 2030 WLAN_HT_ACTION_PSMP = 2, 2031 WLAN_HT_ACTION_PCO_PHASE = 3, 2032 WLAN_HT_ACTION_CSI = 4, 2033 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 2034 WLAN_HT_ACTION_COMPRESSED_BF = 6, 2035 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 2036 }; 2037 2038 /* VHT action codes */ 2039 enum ieee80211_vht_actioncode { 2040 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 2041 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 2042 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 2043 }; 2044 2045 /* Self Protected Action codes */ 2046 enum ieee80211_self_protected_actioncode { 2047 WLAN_SP_RESERVED = 0, 2048 WLAN_SP_MESH_PEERING_OPEN = 1, 2049 WLAN_SP_MESH_PEERING_CONFIRM = 2, 2050 WLAN_SP_MESH_PEERING_CLOSE = 3, 2051 WLAN_SP_MGK_INFORM = 4, 2052 WLAN_SP_MGK_ACK = 5, 2053 }; 2054 2055 /* Mesh action codes */ 2056 enum ieee80211_mesh_actioncode { 2057 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2058 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2059 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2060 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2061 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2062 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2063 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2064 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2065 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2066 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2067 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2068 }; 2069 2070 /* Security key length */ 2071 enum ieee80211_key_len { 2072 WLAN_KEY_LEN_WEP40 = 5, 2073 WLAN_KEY_LEN_WEP104 = 13, 2074 WLAN_KEY_LEN_CCMP = 16, 2075 WLAN_KEY_LEN_CCMP_256 = 32, 2076 WLAN_KEY_LEN_TKIP = 32, 2077 WLAN_KEY_LEN_AES_CMAC = 16, 2078 WLAN_KEY_LEN_SMS4 = 32, 2079 WLAN_KEY_LEN_GCMP = 16, 2080 WLAN_KEY_LEN_GCMP_256 = 32, 2081 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2082 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2083 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2084 }; 2085 2086 #define IEEE80211_WEP_IV_LEN 4 2087 #define IEEE80211_WEP_ICV_LEN 4 2088 #define IEEE80211_CCMP_HDR_LEN 8 2089 #define IEEE80211_CCMP_MIC_LEN 8 2090 #define IEEE80211_CCMP_PN_LEN 6 2091 #define IEEE80211_CCMP_256_HDR_LEN 8 2092 #define IEEE80211_CCMP_256_MIC_LEN 16 2093 #define IEEE80211_CCMP_256_PN_LEN 6 2094 #define IEEE80211_TKIP_IV_LEN 8 2095 #define IEEE80211_TKIP_ICV_LEN 4 2096 #define IEEE80211_CMAC_PN_LEN 6 2097 #define IEEE80211_GMAC_PN_LEN 6 2098 #define IEEE80211_GCMP_HDR_LEN 8 2099 #define IEEE80211_GCMP_MIC_LEN 16 2100 #define IEEE80211_GCMP_PN_LEN 6 2101 2102 #define FILS_NONCE_LEN 16 2103 #define FILS_MAX_KEK_LEN 64 2104 2105 /* Public action codes */ 2106 enum ieee80211_pub_actioncode { 2107 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2108 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2109 }; 2110 2111 /* TDLS action codes */ 2112 enum ieee80211_tdls_actioncode { 2113 WLAN_TDLS_SETUP_REQUEST = 0, 2114 WLAN_TDLS_SETUP_RESPONSE = 1, 2115 WLAN_TDLS_SETUP_CONFIRM = 2, 2116 WLAN_TDLS_TEARDOWN = 3, 2117 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 2118 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 2119 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 2120 WLAN_TDLS_PEER_PSM_REQUEST = 7, 2121 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 2122 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 2123 WLAN_TDLS_DISCOVERY_REQUEST = 10, 2124 }; 2125 2126 /* Extended Channel Switching capability to be set in the 1st byte of 2127 * the @WLAN_EID_EXT_CAPABILITY information element 2128 */ 2129 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 2130 2131 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 2132 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 2133 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 2134 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 2135 2136 /* Interworking capabilities are set in 7th bit of 4th byte of the 2137 * @WLAN_EID_EXT_CAPABILITY information element 2138 */ 2139 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 2140 2141 /* 2142 * TDLS capabililites to be enabled in the 5th byte of the 2143 * @WLAN_EID_EXT_CAPABILITY information element 2144 */ 2145 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 2146 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 2147 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 2148 2149 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 2150 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 2151 2152 /* Defines the maximal number of MSDUs in an A-MSDU. */ 2153 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 2154 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 2155 2156 /* 2157 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 2158 * information element 2159 */ 2160 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 2161 2162 /* TDLS specific payload type in the LLC/SNAP header */ 2163 #define WLAN_TDLS_SNAP_RFTYPE 0x2 2164 2165 /* BSS Coex IE information field bits */ 2166 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 2167 2168 /** 2169 * enum - mesh synchronization method identifier 2170 * 2171 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 2172 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 2173 * that will be specified in a vendor specific information element 2174 */ 2175 enum { 2176 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 2177 IEEE80211_SYNC_METHOD_VENDOR = 255, 2178 }; 2179 2180 /** 2181 * enum - mesh path selection protocol identifier 2182 * 2183 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 2184 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 2185 * be specified in a vendor specific information element 2186 */ 2187 enum { 2188 IEEE80211_PATH_PROTOCOL_HWMP = 1, 2189 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 2190 }; 2191 2192 /** 2193 * enum - mesh path selection metric identifier 2194 * 2195 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 2196 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 2197 * specified in a vendor specific information element 2198 */ 2199 enum { 2200 IEEE80211_PATH_METRIC_AIRTIME = 1, 2201 IEEE80211_PATH_METRIC_VENDOR = 255, 2202 }; 2203 2204 /** 2205 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 2206 * 2207 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 2208 * 2209 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 2210 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 2211 * this value 2212 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 2213 * the proactive PREQ with proactive PREP subfield set to 0 2214 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 2215 * supports the proactive PREQ with proactive PREP subfield set to 1 2216 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 2217 * the proactive RANN 2218 */ 2219 enum ieee80211_root_mode_identifier { 2220 IEEE80211_ROOTMODE_NO_ROOT = 0, 2221 IEEE80211_ROOTMODE_ROOT = 1, 2222 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 2223 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 2224 IEEE80211_PROACTIVE_RANN = 4, 2225 }; 2226 2227 /* 2228 * IEEE 802.11-2007 7.3.2.9 Country information element 2229 * 2230 * Minimum length is 8 octets, ie len must be evenly 2231 * divisible by 2 2232 */ 2233 2234 /* Although the spec says 8 I'm seeing 6 in practice */ 2235 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 2236 2237 /* The Country String field of the element shall be 3 octets in length */ 2238 #define IEEE80211_COUNTRY_STRING_LEN 3 2239 2240 /* 2241 * For regulatory extension stuff see IEEE 802.11-2007 2242 * Annex I (page 1141) and Annex J (page 1147). Also 2243 * review 7.3.2.9. 2244 * 2245 * When dot11RegulatoryClassesRequired is true and the 2246 * first_channel/reg_extension_id is >= 201 then the IE 2247 * compromises of the 'ext' struct represented below: 2248 * 2249 * - Regulatory extension ID - when generating IE this just needs 2250 * to be monotonically increasing for each triplet passed in 2251 * the IE 2252 * - Regulatory class - index into set of rules 2253 * - Coverage class - index into air propagation time (Table 7-27), 2254 * in microseconds, you can compute the air propagation time from 2255 * the index by multiplying by 3, so index 10 yields a propagation 2256 * of 10 us. Valid values are 0-31, values 32-255 are not defined 2257 * yet. A value of 0 inicates air propagation of <= 1 us. 2258 * 2259 * See also Table I.2 for Emission limit sets and table 2260 * I.3 for Behavior limit sets. Table J.1 indicates how to map 2261 * a reg_class to an emission limit set and behavior limit set. 2262 */ 2263 #define IEEE80211_COUNTRY_EXTENSION_ID 201 2264 2265 /* 2266 * Channels numbers in the IE must be monotonically increasing 2267 * if dot11RegulatoryClassesRequired is not true. 2268 * 2269 * If dot11RegulatoryClassesRequired is true consecutive 2270 * subband triplets following a regulatory triplet shall 2271 * have monotonically increasing first_channel number fields. 2272 * 2273 * Channel numbers shall not overlap. 2274 * 2275 * Note that max_power is signed. 2276 */ 2277 struct ieee80211_country_ie_triplet { 2278 union { 2279 struct { 2280 u8 first_channel; 2281 u8 num_channels; 2282 s8 max_power; 2283 } __packed chans; 2284 struct { 2285 u8 reg_extension_id; 2286 u8 reg_class; 2287 u8 coverage_class; 2288 } __packed ext; 2289 }; 2290 } __packed; 2291 2292 enum ieee80211_timeout_interval_type { 2293 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2294 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2295 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2296 }; 2297 2298 /** 2299 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2300 * @type: type, see &enum ieee80211_timeout_interval_type 2301 * @value: timeout interval value 2302 */ 2303 struct ieee80211_timeout_interval_ie { 2304 u8 type; 2305 __le32 value; 2306 } __packed; 2307 2308 /* BACK action code */ 2309 enum ieee80211_back_actioncode { 2310 WLAN_ACTION_ADDBA_REQ = 0, 2311 WLAN_ACTION_ADDBA_RESP = 1, 2312 WLAN_ACTION_DELBA = 2, 2313 }; 2314 2315 /* BACK (block-ack) parties */ 2316 enum ieee80211_back_parties { 2317 WLAN_BACK_RECIPIENT = 0, 2318 WLAN_BACK_INITIATOR = 1, 2319 }; 2320 2321 /* SA Query action */ 2322 enum ieee80211_sa_query_action { 2323 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2324 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2325 }; 2326 2327 2328 #define SUITE(oui, id) (((oui) << 8) | (id)) 2329 2330 /* cipher suite selectors */ 2331 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0) 2332 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1) 2333 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2) 2334 /* reserved: SUITE(0x000FAC, 3) */ 2335 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4) 2336 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5) 2337 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6) 2338 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8) 2339 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9) 2340 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10) 2341 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11) 2342 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12) 2343 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13) 2344 2345 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1) 2346 2347 /* AKM suite selectors */ 2348 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1) 2349 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2) 2350 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5) 2351 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6) 2352 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7) 2353 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8) 2354 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9) 2355 2356 #define WLAN_MAX_KEY_LEN 32 2357 2358 #define WLAN_PMKID_LEN 16 2359 2360 #define WLAN_OUI_WFA 0x506f9a 2361 #define WLAN_OUI_TYPE_WFA_P2P 9 2362 #define WLAN_OUI_MICROSOFT 0x0050f2 2363 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 2364 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 2365 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 2366 2367 /* 2368 * WMM/802.11e Tspec Element 2369 */ 2370 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 2371 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 2372 2373 enum ieee80211_tspec_status_code { 2374 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 2375 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 2376 }; 2377 2378 struct ieee80211_tspec_ie { 2379 u8 element_id; 2380 u8 len; 2381 u8 oui[3]; 2382 u8 oui_type; 2383 u8 oui_subtype; 2384 u8 version; 2385 __le16 tsinfo; 2386 u8 tsinfo_resvd; 2387 __le16 nominal_msdu; 2388 __le16 max_msdu; 2389 __le32 min_service_int; 2390 __le32 max_service_int; 2391 __le32 inactivity_int; 2392 __le32 suspension_int; 2393 __le32 service_start_time; 2394 __le32 min_data_rate; 2395 __le32 mean_data_rate; 2396 __le32 peak_data_rate; 2397 __le32 max_burst_size; 2398 __le32 delay_bound; 2399 __le32 min_phy_rate; 2400 __le16 sba; 2401 __le16 medium_time; 2402 } __packed; 2403 2404 /** 2405 * ieee80211_get_qos_ctl - get pointer to qos control bytes 2406 * @hdr: the frame 2407 * 2408 * The qos ctrl bytes come after the frame_control, duration, seq_num 2409 * and 3 or 4 addresses of length ETH_ALEN. 2410 * 3 addr: 2 + 2 + 2 + 3*6 = 24 2411 * 4 addr: 2 + 2 + 2 + 4*6 = 30 2412 */ 2413 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 2414 { 2415 if (ieee80211_has_a4(hdr->frame_control)) 2416 return (u8 *)hdr + 30; 2417 else 2418 return (u8 *)hdr + 24; 2419 } 2420 2421 /** 2422 * ieee80211_get_SA - get pointer to SA 2423 * @hdr: the frame 2424 * 2425 * Given an 802.11 frame, this function returns the offset 2426 * to the source address (SA). It does not verify that the 2427 * header is long enough to contain the address, and the 2428 * header must be long enough to contain the frame control 2429 * field. 2430 */ 2431 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 2432 { 2433 if (ieee80211_has_a4(hdr->frame_control)) 2434 return hdr->addr4; 2435 if (ieee80211_has_fromds(hdr->frame_control)) 2436 return hdr->addr3; 2437 return hdr->addr2; 2438 } 2439 2440 /** 2441 * ieee80211_get_DA - get pointer to DA 2442 * @hdr: the frame 2443 * 2444 * Given an 802.11 frame, this function returns the offset 2445 * to the destination address (DA). It does not verify that 2446 * the header is long enough to contain the address, and the 2447 * header must be long enough to contain the frame control 2448 * field. 2449 */ 2450 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 2451 { 2452 if (ieee80211_has_tods(hdr->frame_control)) 2453 return hdr->addr3; 2454 else 2455 return hdr->addr1; 2456 } 2457 2458 /** 2459 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 2460 * @hdr: the frame (buffer must include at least the first octet of payload) 2461 */ 2462 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 2463 { 2464 if (ieee80211_is_disassoc(hdr->frame_control) || 2465 ieee80211_is_deauth(hdr->frame_control)) 2466 return true; 2467 2468 if (ieee80211_is_action(hdr->frame_control)) { 2469 u8 *category; 2470 2471 /* 2472 * Action frames, excluding Public Action frames, are Robust 2473 * Management Frames. However, if we are looking at a Protected 2474 * frame, skip the check since the data may be encrypted and 2475 * the frame has already been found to be a Robust Management 2476 * Frame (by the other end). 2477 */ 2478 if (ieee80211_has_protected(hdr->frame_control)) 2479 return true; 2480 category = ((u8 *) hdr) + 24; 2481 return *category != WLAN_CATEGORY_PUBLIC && 2482 *category != WLAN_CATEGORY_HT && 2483 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 2484 *category != WLAN_CATEGORY_SELF_PROTECTED && 2485 *category != WLAN_CATEGORY_UNPROT_DMG && 2486 *category != WLAN_CATEGORY_VHT && 2487 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 2488 } 2489 2490 return false; 2491 } 2492 2493 /** 2494 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 2495 * @skb: the skb containing the frame, length will be checked 2496 */ 2497 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 2498 { 2499 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 2500 return false; 2501 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 2502 } 2503 2504 /** 2505 * ieee80211_is_public_action - check if frame is a public action frame 2506 * @hdr: the frame 2507 * @len: length of the frame 2508 */ 2509 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 2510 size_t len) 2511 { 2512 struct ieee80211_mgmt *mgmt = (void *)hdr; 2513 2514 if (len < IEEE80211_MIN_ACTION_SIZE) 2515 return false; 2516 if (!ieee80211_is_action(hdr->frame_control)) 2517 return false; 2518 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 2519 } 2520 2521 /** 2522 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 2523 * privacy action frame 2524 * @hdr: the frame 2525 */ 2526 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 2527 { 2528 struct ieee80211_mgmt *mgmt = (void *)hdr; 2529 2530 if (!ieee80211_is_action(hdr->frame_control) || 2531 !is_multicast_ether_addr(hdr->addr1)) 2532 return false; 2533 2534 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 2535 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 2536 } 2537 2538 /** 2539 * ieee80211_is_group_privacy_action - check if frame is a group addressed 2540 * privacy action frame 2541 * @skb: the skb containing the frame, length will be checked 2542 */ 2543 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 2544 { 2545 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 2546 return false; 2547 return _ieee80211_is_group_privacy_action((void *)skb->data); 2548 } 2549 2550 /** 2551 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 2552 * @tu: the TUs 2553 */ 2554 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 2555 { 2556 return 1024 * tu; 2557 } 2558 2559 /** 2560 * ieee80211_check_tim - check if AID bit is set in TIM 2561 * @tim: the TIM IE 2562 * @tim_len: length of the TIM IE 2563 * @aid: the AID to look for 2564 */ 2565 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 2566 u8 tim_len, u16 aid) 2567 { 2568 u8 mask; 2569 u8 index, indexn1, indexn2; 2570 2571 if (unlikely(!tim || tim_len < sizeof(*tim))) 2572 return false; 2573 2574 aid &= 0x3fff; 2575 index = aid / 8; 2576 mask = 1 << (aid & 7); 2577 2578 indexn1 = tim->bitmap_ctrl & 0xfe; 2579 indexn2 = tim_len + indexn1 - 4; 2580 2581 if (index < indexn1 || index > indexn2) 2582 return false; 2583 2584 index -= indexn1; 2585 2586 return !!(tim->virtual_map[index] & mask); 2587 } 2588 2589 /** 2590 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 2591 * @skb: the skb containing the frame, length will not be checked 2592 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 2593 * 2594 * This function assumes the frame is a data frame, and that the network header 2595 * is in the correct place. 2596 */ 2597 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 2598 { 2599 if (!skb_is_nonlinear(skb) && 2600 skb->len > (skb_network_offset(skb) + 2)) { 2601 /* Point to where the indication of TDLS should start */ 2602 const u8 *tdls_data = skb_network_header(skb) - 2; 2603 2604 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 2605 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 2606 tdls_data[3] == WLAN_CATEGORY_TDLS) 2607 return tdls_data[4]; 2608 } 2609 2610 return -1; 2611 } 2612 2613 /* convert time units */ 2614 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 2615 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 2616 2617 /** 2618 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 2619 * @skb: the skb containing the frame, length will be checked 2620 * 2621 * This function checks if it's either TPC report action frame or Link 2622 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 2623 * and 8.5.7.5 accordingly. 2624 */ 2625 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 2626 { 2627 struct ieee80211_mgmt *mgmt = (void *)skb->data; 2628 2629 if (!ieee80211_is_action(mgmt->frame_control)) 2630 return false; 2631 2632 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 2633 sizeof(mgmt->u.action.u.tpc_report)) 2634 return false; 2635 2636 /* 2637 * TPC report - check that: 2638 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 2639 * spectrum management action = 3 (TPC/Link Measurement report) 2640 * TPC report EID = 35 2641 * TPC report element length = 2 2642 * 2643 * The spectrum management's tpc_report struct is used here both for 2644 * parsing tpc_report and radio measurement's link measurement report 2645 * frame, since the relevant part is identical in both frames. 2646 */ 2647 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 2648 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 2649 return false; 2650 2651 /* both spectrum mgmt and link measurement have same action code */ 2652 if (mgmt->u.action.u.tpc_report.action_code != 2653 WLAN_ACTION_SPCT_TPC_RPRT) 2654 return false; 2655 2656 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 2657 mgmt->u.action.u.tpc_report.tpc_elem_length != 2658 sizeof(struct ieee80211_tpc_report_ie)) 2659 return false; 2660 2661 return true; 2662 } 2663 2664 #endif /* LINUX_IEEE80211_H */ 2665