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 8 188 189 #define IEEE80211_QOS_CTL_LEN 2 190 /* 1d tag mask */ 191 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 192 /* TID mask */ 193 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 194 /* EOSP */ 195 #define IEEE80211_QOS_CTL_EOSP 0x0010 196 /* ACK policy */ 197 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 198 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 200 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 201 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 202 /* A-MSDU 802.11n */ 203 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 204 /* Mesh Control 802.11s */ 205 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 206 207 /* Mesh Power Save Level */ 208 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 209 /* Mesh Receiver Service Period Initiated */ 210 #define IEEE80211_QOS_CTL_RSPI 0x0400 211 212 /* U-APSD queue for WMM IEs sent by AP */ 213 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 214 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 215 216 /* U-APSD queues for WMM IEs sent by STA */ 217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 222 223 /* U-APSD max SP length for WMM IEs sent by STA */ 224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 230 231 #define IEEE80211_HT_CTL_LEN 4 232 233 struct ieee80211_hdr { 234 __le16 frame_control; 235 __le16 duration_id; 236 u8 addr1[ETH_ALEN]; 237 u8 addr2[ETH_ALEN]; 238 u8 addr3[ETH_ALEN]; 239 __le16 seq_ctrl; 240 u8 addr4[ETH_ALEN]; 241 } __packed __aligned(2); 242 243 struct ieee80211_hdr_3addr { 244 __le16 frame_control; 245 __le16 duration_id; 246 u8 addr1[ETH_ALEN]; 247 u8 addr2[ETH_ALEN]; 248 u8 addr3[ETH_ALEN]; 249 __le16 seq_ctrl; 250 } __packed __aligned(2); 251 252 struct ieee80211_qos_hdr { 253 __le16 frame_control; 254 __le16 duration_id; 255 u8 addr1[ETH_ALEN]; 256 u8 addr2[ETH_ALEN]; 257 u8 addr3[ETH_ALEN]; 258 __le16 seq_ctrl; 259 __le16 qos_ctrl; 260 } __packed __aligned(2); 261 262 /** 263 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 264 * @fc: frame control bytes in little-endian byteorder 265 */ 266 static inline bool ieee80211_has_tods(__le16 fc) 267 { 268 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 269 } 270 271 /** 272 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 273 * @fc: frame control bytes in little-endian byteorder 274 */ 275 static inline bool ieee80211_has_fromds(__le16 fc) 276 { 277 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 278 } 279 280 /** 281 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 282 * @fc: frame control bytes in little-endian byteorder 283 */ 284 static inline bool ieee80211_has_a4(__le16 fc) 285 { 286 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 287 return (fc & tmp) == tmp; 288 } 289 290 /** 291 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 292 * @fc: frame control bytes in little-endian byteorder 293 */ 294 static inline bool ieee80211_has_morefrags(__le16 fc) 295 { 296 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 297 } 298 299 /** 300 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 301 * @fc: frame control bytes in little-endian byteorder 302 */ 303 static inline bool ieee80211_has_retry(__le16 fc) 304 { 305 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 306 } 307 308 /** 309 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 310 * @fc: frame control bytes in little-endian byteorder 311 */ 312 static inline bool ieee80211_has_pm(__le16 fc) 313 { 314 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 315 } 316 317 /** 318 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 319 * @fc: frame control bytes in little-endian byteorder 320 */ 321 static inline bool ieee80211_has_moredata(__le16 fc) 322 { 323 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 324 } 325 326 /** 327 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 328 * @fc: frame control bytes in little-endian byteorder 329 */ 330 static inline bool ieee80211_has_protected(__le16 fc) 331 { 332 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 333 } 334 335 /** 336 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 337 * @fc: frame control bytes in little-endian byteorder 338 */ 339 static inline bool ieee80211_has_order(__le16 fc) 340 { 341 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 342 } 343 344 /** 345 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 346 * @fc: frame control bytes in little-endian byteorder 347 */ 348 static inline bool ieee80211_is_mgmt(__le16 fc) 349 { 350 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 351 cpu_to_le16(IEEE80211_FTYPE_MGMT); 352 } 353 354 /** 355 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 356 * @fc: frame control bytes in little-endian byteorder 357 */ 358 static inline bool ieee80211_is_ctl(__le16 fc) 359 { 360 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 361 cpu_to_le16(IEEE80211_FTYPE_CTL); 362 } 363 364 /** 365 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 366 * @fc: frame control bytes in little-endian byteorder 367 */ 368 static inline bool ieee80211_is_data(__le16 fc) 369 { 370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 371 cpu_to_le16(IEEE80211_FTYPE_DATA); 372 } 373 374 /** 375 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 376 * @fc: frame control bytes in little-endian byteorder 377 */ 378 static inline bool ieee80211_is_data_qos(__le16 fc) 379 { 380 /* 381 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 382 * to check the one bit 383 */ 384 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 385 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 386 } 387 388 /** 389 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 390 * @fc: frame control bytes in little-endian byteorder 391 */ 392 static inline bool ieee80211_is_data_present(__le16 fc) 393 { 394 /* 395 * mask with 0x40 and test that that bit is clear to only return true 396 * for the data-containing substypes. 397 */ 398 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 399 cpu_to_le16(IEEE80211_FTYPE_DATA); 400 } 401 402 /** 403 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 404 * @fc: frame control bytes in little-endian byteorder 405 */ 406 static inline bool ieee80211_is_assoc_req(__le16 fc) 407 { 408 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 409 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 410 } 411 412 /** 413 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 414 * @fc: frame control bytes in little-endian byteorder 415 */ 416 static inline bool ieee80211_is_assoc_resp(__le16 fc) 417 { 418 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 419 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 420 } 421 422 /** 423 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 424 * @fc: frame control bytes in little-endian byteorder 425 */ 426 static inline bool ieee80211_is_reassoc_req(__le16 fc) 427 { 428 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 429 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 430 } 431 432 /** 433 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 434 * @fc: frame control bytes in little-endian byteorder 435 */ 436 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 437 { 438 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 439 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 440 } 441 442 /** 443 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 444 * @fc: frame control bytes in little-endian byteorder 445 */ 446 static inline bool ieee80211_is_probe_req(__le16 fc) 447 { 448 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 449 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 450 } 451 452 /** 453 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 454 * @fc: frame control bytes in little-endian byteorder 455 */ 456 static inline bool ieee80211_is_probe_resp(__le16 fc) 457 { 458 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 459 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 460 } 461 462 /** 463 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 464 * @fc: frame control bytes in little-endian byteorder 465 */ 466 static inline bool ieee80211_is_beacon(__le16 fc) 467 { 468 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 469 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 470 } 471 472 /** 473 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 474 * @fc: frame control bytes in little-endian byteorder 475 */ 476 static inline bool ieee80211_is_atim(__le16 fc) 477 { 478 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 479 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 480 } 481 482 /** 483 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 484 * @fc: frame control bytes in little-endian byteorder 485 */ 486 static inline bool ieee80211_is_disassoc(__le16 fc) 487 { 488 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 489 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 490 } 491 492 /** 493 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 494 * @fc: frame control bytes in little-endian byteorder 495 */ 496 static inline bool ieee80211_is_auth(__le16 fc) 497 { 498 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 499 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 500 } 501 502 /** 503 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 504 * @fc: frame control bytes in little-endian byteorder 505 */ 506 static inline bool ieee80211_is_deauth(__le16 fc) 507 { 508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 509 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 510 } 511 512 /** 513 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 514 * @fc: frame control bytes in little-endian byteorder 515 */ 516 static inline bool ieee80211_is_action(__le16 fc) 517 { 518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 519 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 520 } 521 522 /** 523 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 524 * @fc: frame control bytes in little-endian byteorder 525 */ 526 static inline bool ieee80211_is_back_req(__le16 fc) 527 { 528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 529 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 530 } 531 532 /** 533 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 534 * @fc: frame control bytes in little-endian byteorder 535 */ 536 static inline bool ieee80211_is_back(__le16 fc) 537 { 538 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 539 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 540 } 541 542 /** 543 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 544 * @fc: frame control bytes in little-endian byteorder 545 */ 546 static inline bool ieee80211_is_pspoll(__le16 fc) 547 { 548 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 549 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 550 } 551 552 /** 553 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 554 * @fc: frame control bytes in little-endian byteorder 555 */ 556 static inline bool ieee80211_is_rts(__le16 fc) 557 { 558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 559 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 560 } 561 562 /** 563 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 564 * @fc: frame control bytes in little-endian byteorder 565 */ 566 static inline bool ieee80211_is_cts(__le16 fc) 567 { 568 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 569 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 570 } 571 572 /** 573 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 574 * @fc: frame control bytes in little-endian byteorder 575 */ 576 static inline bool ieee80211_is_ack(__le16 fc) 577 { 578 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 579 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 580 } 581 582 /** 583 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 584 * @fc: frame control bytes in little-endian byteorder 585 */ 586 static inline bool ieee80211_is_cfend(__le16 fc) 587 { 588 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 589 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 590 } 591 592 /** 593 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 594 * @fc: frame control bytes in little-endian byteorder 595 */ 596 static inline bool ieee80211_is_cfendack(__le16 fc) 597 { 598 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 599 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 600 } 601 602 /** 603 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 604 * @fc: frame control bytes in little-endian byteorder 605 */ 606 static inline bool ieee80211_is_nullfunc(__le16 fc) 607 { 608 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 609 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 610 } 611 612 /** 613 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 614 * @fc: frame control bytes in little-endian byteorder 615 */ 616 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 617 { 618 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 619 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 620 } 621 622 /** 623 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 624 * @fc: frame control field in little-endian byteorder 625 */ 626 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) 627 { 628 /* IEEE 802.11-2012, definition of "bufferable management frame"; 629 * note that this ignores the IBSS special case. */ 630 return ieee80211_is_mgmt(fc) && 631 (ieee80211_is_action(fc) || 632 ieee80211_is_disassoc(fc) || 633 ieee80211_is_deauth(fc)); 634 } 635 636 /** 637 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 638 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 639 */ 640 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 641 { 642 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 643 } 644 645 /** 646 * ieee80211_is_frag - check if a frame is a fragment 647 * @hdr: 802.11 header of the frame 648 */ 649 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr) 650 { 651 return ieee80211_has_morefrags(hdr->frame_control) || 652 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG); 653 } 654 655 struct ieee80211s_hdr { 656 u8 flags; 657 u8 ttl; 658 __le32 seqnum; 659 u8 eaddr1[ETH_ALEN]; 660 u8 eaddr2[ETH_ALEN]; 661 } __packed __aligned(2); 662 663 /* Mesh flags */ 664 #define MESH_FLAGS_AE_A4 0x1 665 #define MESH_FLAGS_AE_A5_A6 0x2 666 #define MESH_FLAGS_AE 0x3 667 #define MESH_FLAGS_PS_DEEP 0x4 668 669 /** 670 * enum ieee80211_preq_flags - mesh PREQ element flags 671 * 672 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 673 */ 674 enum ieee80211_preq_flags { 675 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 676 }; 677 678 /** 679 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 680 * 681 * @IEEE80211_PREQ_TO_FLAG: target only subfield 682 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 683 */ 684 enum ieee80211_preq_target_flags { 685 IEEE80211_PREQ_TO_FLAG = 1<<0, 686 IEEE80211_PREQ_USN_FLAG = 1<<2, 687 }; 688 689 /** 690 * struct ieee80211_quiet_ie 691 * 692 * This structure refers to "Quiet information element" 693 */ 694 struct ieee80211_quiet_ie { 695 u8 count; 696 u8 period; 697 __le16 duration; 698 __le16 offset; 699 } __packed; 700 701 /** 702 * struct ieee80211_msrment_ie 703 * 704 * This structure refers to "Measurement Request/Report information element" 705 */ 706 struct ieee80211_msrment_ie { 707 u8 token; 708 u8 mode; 709 u8 type; 710 u8 request[0]; 711 } __packed; 712 713 /** 714 * struct ieee80211_channel_sw_ie 715 * 716 * This structure refers to "Channel Switch Announcement information element" 717 */ 718 struct ieee80211_channel_sw_ie { 719 u8 mode; 720 u8 new_ch_num; 721 u8 count; 722 } __packed; 723 724 /** 725 * struct ieee80211_ext_chansw_ie 726 * 727 * This structure represents the "Extended Channel Switch Announcement element" 728 */ 729 struct ieee80211_ext_chansw_ie { 730 u8 mode; 731 u8 new_operating_class; 732 u8 new_ch_num; 733 u8 count; 734 } __packed; 735 736 /** 737 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 738 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 739 * values here 740 * This structure represents the "Secondary Channel Offset element" 741 */ 742 struct ieee80211_sec_chan_offs_ie { 743 u8 sec_chan_offs; 744 } __packed; 745 746 /** 747 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 748 * 749 * This structure represents the "Mesh Channel Switch Paramters element" 750 */ 751 struct ieee80211_mesh_chansw_params_ie { 752 u8 mesh_ttl; 753 u8 mesh_flags; 754 __le16 mesh_reason; 755 __le16 mesh_pre_value; 756 } __packed; 757 758 /** 759 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 760 */ 761 struct ieee80211_wide_bw_chansw_ie { 762 u8 new_channel_width; 763 u8 new_center_freq_seg0, new_center_freq_seg1; 764 } __packed; 765 766 /** 767 * struct ieee80211_tim 768 * 769 * This structure refers to "Traffic Indication Map information element" 770 */ 771 struct ieee80211_tim_ie { 772 u8 dtim_count; 773 u8 dtim_period; 774 u8 bitmap_ctrl; 775 /* variable size: 1 - 251 bytes */ 776 u8 virtual_map[1]; 777 } __packed; 778 779 /** 780 * struct ieee80211_meshconf_ie 781 * 782 * This structure refers to "Mesh Configuration information element" 783 */ 784 struct ieee80211_meshconf_ie { 785 u8 meshconf_psel; 786 u8 meshconf_pmetric; 787 u8 meshconf_congest; 788 u8 meshconf_synch; 789 u8 meshconf_auth; 790 u8 meshconf_form; 791 u8 meshconf_cap; 792 } __packed; 793 794 /** 795 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 796 * 797 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 798 * additional mesh peerings with other mesh STAs 799 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 800 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 801 * is ongoing 802 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 803 * neighbors in deep sleep mode 804 */ 805 enum mesh_config_capab_flags { 806 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 807 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 808 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 809 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 810 }; 811 812 /** 813 * mesh channel switch parameters element's flag indicator 814 * 815 */ 816 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 817 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 818 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 819 820 /** 821 * struct ieee80211_rann_ie 822 * 823 * This structure refers to "Root Announcement information element" 824 */ 825 struct ieee80211_rann_ie { 826 u8 rann_flags; 827 u8 rann_hopcount; 828 u8 rann_ttl; 829 u8 rann_addr[ETH_ALEN]; 830 __le32 rann_seq; 831 __le32 rann_interval; 832 __le32 rann_metric; 833 } __packed; 834 835 enum ieee80211_rann_flags { 836 RANN_FLAG_IS_GATE = 1 << 0, 837 }; 838 839 enum ieee80211_ht_chanwidth_values { 840 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 841 IEEE80211_HT_CHANWIDTH_ANY = 1, 842 }; 843 844 /** 845 * enum ieee80211_opmode_bits - VHT operating mode field bits 846 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 847 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 851 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 852 * (the NSS value is the value of this field + 1) 853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 854 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 855 * using a beamforming steering matrix 856 */ 857 enum ieee80211_vht_opmode_bits { 858 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 859 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 862 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 863 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 864 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 865 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 866 }; 867 868 #define WLAN_SA_QUERY_TR_ID_LEN 2 869 #define WLAN_MEMBERSHIP_LEN 8 870 #define WLAN_USER_POSITION_LEN 16 871 872 /** 873 * struct ieee80211_tpc_report_ie 874 * 875 * This structure refers to "TPC Report element" 876 */ 877 struct ieee80211_tpc_report_ie { 878 u8 tx_power; 879 u8 link_margin; 880 } __packed; 881 882 struct ieee80211_mgmt { 883 __le16 frame_control; 884 __le16 duration; 885 u8 da[ETH_ALEN]; 886 u8 sa[ETH_ALEN]; 887 u8 bssid[ETH_ALEN]; 888 __le16 seq_ctrl; 889 union { 890 struct { 891 __le16 auth_alg; 892 __le16 auth_transaction; 893 __le16 status_code; 894 /* possibly followed by Challenge text */ 895 u8 variable[0]; 896 } __packed auth; 897 struct { 898 __le16 reason_code; 899 } __packed deauth; 900 struct { 901 __le16 capab_info; 902 __le16 listen_interval; 903 /* followed by SSID and Supported rates */ 904 u8 variable[0]; 905 } __packed assoc_req; 906 struct { 907 __le16 capab_info; 908 __le16 status_code; 909 __le16 aid; 910 /* followed by Supported rates */ 911 u8 variable[0]; 912 } __packed assoc_resp, reassoc_resp; 913 struct { 914 __le16 capab_info; 915 __le16 listen_interval; 916 u8 current_ap[ETH_ALEN]; 917 /* followed by SSID and Supported rates */ 918 u8 variable[0]; 919 } __packed reassoc_req; 920 struct { 921 __le16 reason_code; 922 } __packed disassoc; 923 struct { 924 __le64 timestamp; 925 __le16 beacon_int; 926 __le16 capab_info; 927 /* followed by some of SSID, Supported rates, 928 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 929 u8 variable[0]; 930 } __packed beacon; 931 struct { 932 /* only variable items: SSID, Supported rates */ 933 u8 variable[0]; 934 } __packed probe_req; 935 struct { 936 __le64 timestamp; 937 __le16 beacon_int; 938 __le16 capab_info; 939 /* followed by some of SSID, Supported rates, 940 * FH Params, DS Params, CF Params, IBSS Params */ 941 u8 variable[0]; 942 } __packed probe_resp; 943 struct { 944 u8 category; 945 union { 946 struct { 947 u8 action_code; 948 u8 dialog_token; 949 u8 status_code; 950 u8 variable[0]; 951 } __packed wme_action; 952 struct{ 953 u8 action_code; 954 u8 variable[0]; 955 } __packed chan_switch; 956 struct{ 957 u8 action_code; 958 struct ieee80211_ext_chansw_ie data; 959 u8 variable[0]; 960 } __packed ext_chan_switch; 961 struct{ 962 u8 action_code; 963 u8 dialog_token; 964 u8 element_id; 965 u8 length; 966 struct ieee80211_msrment_ie msr_elem; 967 } __packed measurement; 968 struct{ 969 u8 action_code; 970 u8 dialog_token; 971 __le16 capab; 972 __le16 timeout; 973 __le16 start_seq_num; 974 } __packed addba_req; 975 struct{ 976 u8 action_code; 977 u8 dialog_token; 978 __le16 status; 979 __le16 capab; 980 __le16 timeout; 981 } __packed addba_resp; 982 struct{ 983 u8 action_code; 984 __le16 params; 985 __le16 reason_code; 986 } __packed delba; 987 struct { 988 u8 action_code; 989 u8 variable[0]; 990 } __packed self_prot; 991 struct{ 992 u8 action_code; 993 u8 variable[0]; 994 } __packed mesh_action; 995 struct { 996 u8 action; 997 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 998 } __packed sa_query; 999 struct { 1000 u8 action; 1001 u8 smps_control; 1002 } __packed ht_smps; 1003 struct { 1004 u8 action_code; 1005 u8 chanwidth; 1006 } __packed ht_notify_cw; 1007 struct { 1008 u8 action_code; 1009 u8 dialog_token; 1010 __le16 capability; 1011 u8 variable[0]; 1012 } __packed tdls_discover_resp; 1013 struct { 1014 u8 action_code; 1015 u8 operating_mode; 1016 } __packed vht_opmode_notif; 1017 struct { 1018 u8 action_code; 1019 u8 membership[WLAN_MEMBERSHIP_LEN]; 1020 u8 position[WLAN_USER_POSITION_LEN]; 1021 } __packed vht_group_notif; 1022 struct { 1023 u8 action_code; 1024 u8 dialog_token; 1025 u8 tpc_elem_id; 1026 u8 tpc_elem_length; 1027 struct ieee80211_tpc_report_ie tpc; 1028 } __packed tpc_report; 1029 struct { 1030 u8 action_code; 1031 u8 dialog_token; 1032 u8 follow_up; 1033 u8 tod[6]; 1034 u8 toa[6]; 1035 __le16 tod_error; 1036 __le16 toa_error; 1037 u8 variable[0]; 1038 } __packed ftm; 1039 } u; 1040 } __packed action; 1041 } u; 1042 } __packed __aligned(2); 1043 1044 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */ 1045 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1046 1047 /* mgmt header + 1 byte category code */ 1048 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1049 1050 1051 /* Management MIC information element (IEEE 802.11w) */ 1052 struct ieee80211_mmie { 1053 u8 element_id; 1054 u8 length; 1055 __le16 key_id; 1056 u8 sequence_number[6]; 1057 u8 mic[8]; 1058 } __packed; 1059 1060 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1061 struct ieee80211_mmie_16 { 1062 u8 element_id; 1063 u8 length; 1064 __le16 key_id; 1065 u8 sequence_number[6]; 1066 u8 mic[16]; 1067 } __packed; 1068 1069 struct ieee80211_vendor_ie { 1070 u8 element_id; 1071 u8 len; 1072 u8 oui[3]; 1073 u8 oui_type; 1074 } __packed; 1075 1076 struct ieee80211_wmm_ac_param { 1077 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1078 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1079 __le16 txop_limit; 1080 } __packed; 1081 1082 struct ieee80211_wmm_param_ie { 1083 u8 element_id; /* Element ID: 221 (0xdd); */ 1084 u8 len; /* Length: 24 */ 1085 /* required fields for WMM version 1 */ 1086 u8 oui[3]; /* 00:50:f2 */ 1087 u8 oui_type; /* 2 */ 1088 u8 oui_subtype; /* 1 */ 1089 u8 version; /* 1 for WMM version 1.0 */ 1090 u8 qos_info; /* AP/STA specific QoS info */ 1091 u8 reserved; /* 0 */ 1092 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1093 struct ieee80211_wmm_ac_param ac[4]; 1094 } __packed; 1095 1096 /* Control frames */ 1097 struct ieee80211_rts { 1098 __le16 frame_control; 1099 __le16 duration; 1100 u8 ra[ETH_ALEN]; 1101 u8 ta[ETH_ALEN]; 1102 } __packed __aligned(2); 1103 1104 struct ieee80211_cts { 1105 __le16 frame_control; 1106 __le16 duration; 1107 u8 ra[ETH_ALEN]; 1108 } __packed __aligned(2); 1109 1110 struct ieee80211_pspoll { 1111 __le16 frame_control; 1112 __le16 aid; 1113 u8 bssid[ETH_ALEN]; 1114 u8 ta[ETH_ALEN]; 1115 } __packed __aligned(2); 1116 1117 /* TDLS */ 1118 1119 /* Channel switch timing */ 1120 struct ieee80211_ch_switch_timing { 1121 __le16 switch_time; 1122 __le16 switch_timeout; 1123 } __packed; 1124 1125 /* Link-id information element */ 1126 struct ieee80211_tdls_lnkie { 1127 u8 ie_type; /* Link Identifier IE */ 1128 u8 ie_len; 1129 u8 bssid[ETH_ALEN]; 1130 u8 init_sta[ETH_ALEN]; 1131 u8 resp_sta[ETH_ALEN]; 1132 } __packed; 1133 1134 struct ieee80211_tdls_data { 1135 u8 da[ETH_ALEN]; 1136 u8 sa[ETH_ALEN]; 1137 __be16 ether_type; 1138 u8 payload_type; 1139 u8 category; 1140 u8 action_code; 1141 union { 1142 struct { 1143 u8 dialog_token; 1144 __le16 capability; 1145 u8 variable[0]; 1146 } __packed setup_req; 1147 struct { 1148 __le16 status_code; 1149 u8 dialog_token; 1150 __le16 capability; 1151 u8 variable[0]; 1152 } __packed setup_resp; 1153 struct { 1154 __le16 status_code; 1155 u8 dialog_token; 1156 u8 variable[0]; 1157 } __packed setup_cfm; 1158 struct { 1159 __le16 reason_code; 1160 u8 variable[0]; 1161 } __packed teardown; 1162 struct { 1163 u8 dialog_token; 1164 u8 variable[0]; 1165 } __packed discover_req; 1166 struct { 1167 u8 target_channel; 1168 u8 oper_class; 1169 u8 variable[0]; 1170 } __packed chan_switch_req; 1171 struct { 1172 __le16 status_code; 1173 u8 variable[0]; 1174 } __packed chan_switch_resp; 1175 } u; 1176 } __packed; 1177 1178 /* 1179 * Peer-to-Peer IE attribute related definitions. 1180 */ 1181 /** 1182 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1183 */ 1184 enum ieee80211_p2p_attr_id { 1185 IEEE80211_P2P_ATTR_STATUS = 0, 1186 IEEE80211_P2P_ATTR_MINOR_REASON, 1187 IEEE80211_P2P_ATTR_CAPABILITY, 1188 IEEE80211_P2P_ATTR_DEVICE_ID, 1189 IEEE80211_P2P_ATTR_GO_INTENT, 1190 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1191 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1192 IEEE80211_P2P_ATTR_GROUP_BSSID, 1193 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1194 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1195 IEEE80211_P2P_ATTR_MANAGABILITY, 1196 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1197 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1198 IEEE80211_P2P_ATTR_DEVICE_INFO, 1199 IEEE80211_P2P_ATTR_GROUP_INFO, 1200 IEEE80211_P2P_ATTR_GROUP_ID, 1201 IEEE80211_P2P_ATTR_INTERFACE, 1202 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1203 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1204 /* 19 - 220: Reserved */ 1205 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1206 1207 IEEE80211_P2P_ATTR_MAX 1208 }; 1209 1210 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1211 /* Typical max value used here */ 1212 #define IEEE80211_P2P_NOA_DESC_MAX 4 1213 1214 struct ieee80211_p2p_noa_desc { 1215 u8 count; 1216 __le32 duration; 1217 __le32 interval; 1218 __le32 start_time; 1219 } __packed; 1220 1221 struct ieee80211_p2p_noa_attr { 1222 u8 index; 1223 u8 oppps_ctwindow; 1224 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1225 } __packed; 1226 1227 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1228 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1229 1230 /** 1231 * struct ieee80211_bar - HT Block Ack Request 1232 * 1233 * This structure refers to "HT BlockAckReq" as 1234 * described in 802.11n draft section 7.2.1.7.1 1235 */ 1236 struct ieee80211_bar { 1237 __le16 frame_control; 1238 __le16 duration; 1239 __u8 ra[ETH_ALEN]; 1240 __u8 ta[ETH_ALEN]; 1241 __le16 control; 1242 __le16 start_seq_num; 1243 } __packed; 1244 1245 /* 802.11 BAR control masks */ 1246 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1247 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1248 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1249 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1250 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1251 1252 #define IEEE80211_HT_MCS_MASK_LEN 10 1253 1254 /** 1255 * struct ieee80211_mcs_info - MCS information 1256 * @rx_mask: RX mask 1257 * @rx_highest: highest supported RX rate. If set represents 1258 * the highest supported RX data rate in units of 1 Mbps. 1259 * If this field is 0 this value should not be used to 1260 * consider the highest RX data rate supported. 1261 * @tx_params: TX parameters 1262 */ 1263 struct ieee80211_mcs_info { 1264 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1265 __le16 rx_highest; 1266 u8 tx_params; 1267 u8 reserved[3]; 1268 } __packed; 1269 1270 /* 802.11n HT capability MSC set */ 1271 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1272 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1273 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1274 /* value 0 == 1 stream etc */ 1275 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1276 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1277 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1278 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1279 1280 /* 1281 * 802.11n D5.0 20.3.5 / 20.6 says: 1282 * - indices 0 to 7 and 32 are single spatial stream 1283 * - 8 to 31 are multiple spatial streams using equal modulation 1284 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1285 * - remainder are multiple spatial streams using unequal modulation 1286 */ 1287 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1288 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1289 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1290 1291 /** 1292 * struct ieee80211_ht_cap - HT capabilities 1293 * 1294 * This structure is the "HT capabilities element" as 1295 * described in 802.11n D5.0 7.3.2.57 1296 */ 1297 struct ieee80211_ht_cap { 1298 __le16 cap_info; 1299 u8 ampdu_params_info; 1300 1301 /* 16 bytes MCS information */ 1302 struct ieee80211_mcs_info mcs; 1303 1304 __le16 extended_ht_cap_info; 1305 __le32 tx_BF_cap_info; 1306 u8 antenna_selection_info; 1307 } __packed; 1308 1309 /* 802.11n HT capabilities masks (for cap_info) */ 1310 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1311 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1312 #define IEEE80211_HT_CAP_SM_PS 0x000C 1313 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1314 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1315 #define IEEE80211_HT_CAP_SGI_20 0x0020 1316 #define IEEE80211_HT_CAP_SGI_40 0x0040 1317 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1318 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1319 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1320 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1321 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1322 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1323 #define IEEE80211_HT_CAP_RESERVED 0x2000 1324 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1325 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1326 1327 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1328 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1329 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1330 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1331 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1332 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1333 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1334 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1335 1336 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1337 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1338 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1339 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1340 1341 /* 1342 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1343 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1344 */ 1345 enum ieee80211_max_ampdu_length_exp { 1346 IEEE80211_HT_MAX_AMPDU_8K = 0, 1347 IEEE80211_HT_MAX_AMPDU_16K = 1, 1348 IEEE80211_HT_MAX_AMPDU_32K = 2, 1349 IEEE80211_HT_MAX_AMPDU_64K = 3 1350 }; 1351 1352 /* 1353 * Maximum length of AMPDU that the STA can receive in VHT. 1354 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1355 */ 1356 enum ieee80211_vht_max_ampdu_length_exp { 1357 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1358 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1359 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1360 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1361 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1362 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1363 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1364 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1365 }; 1366 1367 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1368 1369 /* Minimum MPDU start spacing */ 1370 enum ieee80211_min_mpdu_spacing { 1371 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1372 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1373 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1374 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1375 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1376 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1377 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1378 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1379 }; 1380 1381 /** 1382 * struct ieee80211_ht_operation - HT operation IE 1383 * 1384 * This structure is the "HT operation element" as 1385 * described in 802.11n-2009 7.3.2.57 1386 */ 1387 struct ieee80211_ht_operation { 1388 u8 primary_chan; 1389 u8 ht_param; 1390 __le16 operation_mode; 1391 __le16 stbc_param; 1392 u8 basic_set[16]; 1393 } __packed; 1394 1395 /* for ht_param */ 1396 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1397 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1398 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1399 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1400 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1401 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1402 1403 /* for operation_mode */ 1404 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1405 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1406 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1407 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1408 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1409 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1410 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1411 1412 /* for stbc_param */ 1413 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1414 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1415 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1416 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1417 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1418 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1419 1420 1421 /* block-ack parameters */ 1422 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1423 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1424 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1425 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1426 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1427 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1428 1429 /* 1430 * A-PMDU buffer sizes 1431 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) 1432 */ 1433 #define IEEE80211_MIN_AMPDU_BUF 0x8 1434 #define IEEE80211_MAX_AMPDU_BUF 0x40 1435 1436 1437 /* Spatial Multiplexing Power Save Modes (for capability) */ 1438 #define WLAN_HT_CAP_SM_PS_STATIC 0 1439 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1440 #define WLAN_HT_CAP_SM_PS_INVALID 2 1441 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1442 1443 /* for SM power control field lower two bits */ 1444 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1445 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1446 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1447 1448 /** 1449 * struct ieee80211_vht_mcs_info - VHT MCS information 1450 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1451 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1452 * STA can receive. Rate expressed in units of 1 Mbps. 1453 * If this field is 0 this value should not be used to 1454 * consider the highest RX data rate supported. 1455 * The top 3 bits of this field are reserved. 1456 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1457 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1458 * STA can transmit. Rate expressed in units of 1 Mbps. 1459 * If this field is 0 this value should not be used to 1460 * consider the highest TX data rate supported. 1461 * The top 3 bits of this field are reserved. 1462 */ 1463 struct ieee80211_vht_mcs_info { 1464 __le16 rx_mcs_map; 1465 __le16 rx_highest; 1466 __le16 tx_mcs_map; 1467 __le16 tx_highest; 1468 } __packed; 1469 1470 /** 1471 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1472 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1473 * number of streams 1474 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1475 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1476 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1477 * 1478 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1479 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1480 * both split into 8 subfields by number of streams. These values indicate 1481 * which MCSes are supported for the number of streams the value appears 1482 * for. 1483 */ 1484 enum ieee80211_vht_mcs_support { 1485 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1486 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1487 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1488 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1489 }; 1490 1491 /** 1492 * struct ieee80211_vht_cap - VHT capabilities 1493 * 1494 * This structure is the "VHT capabilities element" as 1495 * described in 802.11ac D3.0 8.4.2.160 1496 * @vht_cap_info: VHT capability info 1497 * @supp_mcs: VHT MCS supported rates 1498 */ 1499 struct ieee80211_vht_cap { 1500 __le32 vht_cap_info; 1501 struct ieee80211_vht_mcs_info supp_mcs; 1502 } __packed; 1503 1504 /** 1505 * enum ieee80211_vht_chanwidth - VHT channel width 1506 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1507 * determine the channel width (20 or 40 MHz) 1508 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1509 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1510 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1511 */ 1512 enum ieee80211_vht_chanwidth { 1513 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1514 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1515 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1516 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1517 }; 1518 1519 /** 1520 * struct ieee80211_vht_operation - VHT operation IE 1521 * 1522 * This structure is the "VHT operation element" as 1523 * described in 802.11ac D3.0 8.4.2.161 1524 * @chan_width: Operating channel width 1525 * @center_freq_seg1_idx: center freq segment 1 index 1526 * @center_freq_seg2_idx: center freq segment 2 index 1527 * @basic_mcs_set: VHT Basic MCS rate set 1528 */ 1529 struct ieee80211_vht_operation { 1530 u8 chan_width; 1531 u8 center_freq_seg1_idx; 1532 u8 center_freq_seg2_idx; 1533 __le16 basic_mcs_set; 1534 } __packed; 1535 1536 1537 /* 802.11ac VHT Capabilities */ 1538 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1539 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1540 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1541 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1542 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1543 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1544 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1545 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1546 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1547 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1548 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1549 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1550 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1551 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1552 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1553 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1554 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1555 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1556 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1557 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1558 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1559 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1560 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1561 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1562 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1563 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1564 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1565 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1566 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1567 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1568 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1569 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1570 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1571 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1572 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1573 1574 /* Authentication algorithms */ 1575 #define WLAN_AUTH_OPEN 0 1576 #define WLAN_AUTH_SHARED_KEY 1 1577 #define WLAN_AUTH_FT 2 1578 #define WLAN_AUTH_SAE 3 1579 #define WLAN_AUTH_LEAP 128 1580 1581 #define WLAN_AUTH_CHALLENGE_LEN 128 1582 1583 #define WLAN_CAPABILITY_ESS (1<<0) 1584 #define WLAN_CAPABILITY_IBSS (1<<1) 1585 1586 /* 1587 * A mesh STA sets the ESS and IBSS capability bits to zero. 1588 * however, this holds true for p2p probe responses (in the p2p_find 1589 * phase) as well. 1590 */ 1591 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 1592 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 1593 1594 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 1595 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 1596 #define WLAN_CAPABILITY_PRIVACY (1<<4) 1597 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 1598 #define WLAN_CAPABILITY_PBCC (1<<6) 1599 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 1600 1601 /* 802.11h */ 1602 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 1603 #define WLAN_CAPABILITY_QOS (1<<9) 1604 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 1605 #define WLAN_CAPABILITY_APSD (1<<11) 1606 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 1607 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 1608 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 1609 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 1610 1611 /* DMG (60gHz) 802.11ad */ 1612 /* type - bits 0..1 */ 1613 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 1614 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 1615 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 1616 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 1617 1618 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 1619 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 1620 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 1621 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 1622 1623 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 1624 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 1625 1626 /* measurement */ 1627 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 1628 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 1629 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 1630 1631 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 1632 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 1633 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 1634 1635 /* 802.11g ERP information element */ 1636 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 1637 #define WLAN_ERP_USE_PROTECTION (1<<1) 1638 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 1639 1640 /* WLAN_ERP_BARKER_PREAMBLE values */ 1641 enum { 1642 WLAN_ERP_PREAMBLE_SHORT = 0, 1643 WLAN_ERP_PREAMBLE_LONG = 1, 1644 }; 1645 1646 /* Band ID, 802.11ad #8.4.1.45 */ 1647 enum { 1648 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 1649 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 1650 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 1651 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 1652 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 1653 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 1654 }; 1655 1656 /* Status codes */ 1657 enum ieee80211_statuscode { 1658 WLAN_STATUS_SUCCESS = 0, 1659 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 1660 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 1661 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 1662 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 1663 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 1664 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 1665 WLAN_STATUS_CHALLENGE_FAIL = 15, 1666 WLAN_STATUS_AUTH_TIMEOUT = 16, 1667 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 1668 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 1669 /* 802.11b */ 1670 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 1671 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 1672 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 1673 /* 802.11h */ 1674 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 1675 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 1676 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 1677 /* 802.11g */ 1678 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 1679 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 1680 /* 802.11w */ 1681 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 1682 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 1683 /* 802.11i */ 1684 WLAN_STATUS_INVALID_IE = 40, 1685 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 1686 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 1687 WLAN_STATUS_INVALID_AKMP = 43, 1688 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 1689 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 1690 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 1691 /* 802.11e */ 1692 WLAN_STATUS_UNSPECIFIED_QOS = 32, 1693 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 1694 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 1695 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 1696 WLAN_STATUS_REQUEST_DECLINED = 37, 1697 WLAN_STATUS_INVALID_QOS_PARAM = 38, 1698 WLAN_STATUS_CHANGE_TSPEC = 39, 1699 WLAN_STATUS_WAIT_TS_DELAY = 47, 1700 WLAN_STATUS_NO_DIRECT_LINK = 48, 1701 WLAN_STATUS_STA_NOT_PRESENT = 49, 1702 WLAN_STATUS_STA_NOT_QSTA = 50, 1703 /* 802.11s */ 1704 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 1705 WLAN_STATUS_FCG_NOT_SUPP = 78, 1706 WLAN_STATUS_STA_NO_TBTT = 78, 1707 /* 802.11ad */ 1708 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 1709 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 1710 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 1711 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 1712 WLAN_STATUS_PERFORMING_FST_NOW = 87, 1713 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 1714 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 1715 WLAN_STATUS_REJECT_DSE_BAND = 96, 1716 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 1717 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 1718 }; 1719 1720 1721 /* Reason codes */ 1722 enum ieee80211_reasoncode { 1723 WLAN_REASON_UNSPECIFIED = 1, 1724 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 1725 WLAN_REASON_DEAUTH_LEAVING = 3, 1726 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 1727 WLAN_REASON_DISASSOC_AP_BUSY = 5, 1728 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 1729 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 1730 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 1731 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 1732 /* 802.11h */ 1733 WLAN_REASON_DISASSOC_BAD_POWER = 10, 1734 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 1735 /* 802.11i */ 1736 WLAN_REASON_INVALID_IE = 13, 1737 WLAN_REASON_MIC_FAILURE = 14, 1738 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 1739 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 1740 WLAN_REASON_IE_DIFFERENT = 17, 1741 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 1742 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 1743 WLAN_REASON_INVALID_AKMP = 20, 1744 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 1745 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 1746 WLAN_REASON_IEEE8021X_FAILED = 23, 1747 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 1748 /* TDLS (802.11z) */ 1749 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 1750 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 1751 /* 802.11e */ 1752 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 1753 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 1754 WLAN_REASON_DISASSOC_LOW_ACK = 34, 1755 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 1756 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 1757 WLAN_REASON_QSTA_NOT_USE = 37, 1758 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 1759 WLAN_REASON_QSTA_TIMEOUT = 39, 1760 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 1761 /* 802.11s */ 1762 WLAN_REASON_MESH_PEER_CANCELED = 52, 1763 WLAN_REASON_MESH_MAX_PEERS = 53, 1764 WLAN_REASON_MESH_CONFIG = 54, 1765 WLAN_REASON_MESH_CLOSE = 55, 1766 WLAN_REASON_MESH_MAX_RETRIES = 56, 1767 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 1768 WLAN_REASON_MESH_INVALID_GTK = 58, 1769 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 1770 WLAN_REASON_MESH_INVALID_SECURITY = 60, 1771 WLAN_REASON_MESH_PATH_ERROR = 61, 1772 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 1773 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 1774 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 1775 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 1776 WLAN_REASON_MESH_CHAN = 66, 1777 }; 1778 1779 1780 /* Information Element IDs */ 1781 enum ieee80211_eid { 1782 WLAN_EID_SSID = 0, 1783 WLAN_EID_SUPP_RATES = 1, 1784 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 1785 WLAN_EID_DS_PARAMS = 3, 1786 WLAN_EID_CF_PARAMS = 4, 1787 WLAN_EID_TIM = 5, 1788 WLAN_EID_IBSS_PARAMS = 6, 1789 WLAN_EID_COUNTRY = 7, 1790 /* 8, 9 reserved */ 1791 WLAN_EID_REQUEST = 10, 1792 WLAN_EID_QBSS_LOAD = 11, 1793 WLAN_EID_EDCA_PARAM_SET = 12, 1794 WLAN_EID_TSPEC = 13, 1795 WLAN_EID_TCLAS = 14, 1796 WLAN_EID_SCHEDULE = 15, 1797 WLAN_EID_CHALLENGE = 16, 1798 /* 17-31 reserved for challenge text extension */ 1799 WLAN_EID_PWR_CONSTRAINT = 32, 1800 WLAN_EID_PWR_CAPABILITY = 33, 1801 WLAN_EID_TPC_REQUEST = 34, 1802 WLAN_EID_TPC_REPORT = 35, 1803 WLAN_EID_SUPPORTED_CHANNELS = 36, 1804 WLAN_EID_CHANNEL_SWITCH = 37, 1805 WLAN_EID_MEASURE_REQUEST = 38, 1806 WLAN_EID_MEASURE_REPORT = 39, 1807 WLAN_EID_QUIET = 40, 1808 WLAN_EID_IBSS_DFS = 41, 1809 WLAN_EID_ERP_INFO = 42, 1810 WLAN_EID_TS_DELAY = 43, 1811 WLAN_EID_TCLAS_PROCESSING = 44, 1812 WLAN_EID_HT_CAPABILITY = 45, 1813 WLAN_EID_QOS_CAPA = 46, 1814 /* 47 reserved for Broadcom */ 1815 WLAN_EID_RSN = 48, 1816 WLAN_EID_802_15_COEX = 49, 1817 WLAN_EID_EXT_SUPP_RATES = 50, 1818 WLAN_EID_AP_CHAN_REPORT = 51, 1819 WLAN_EID_NEIGHBOR_REPORT = 52, 1820 WLAN_EID_RCPI = 53, 1821 WLAN_EID_MOBILITY_DOMAIN = 54, 1822 WLAN_EID_FAST_BSS_TRANSITION = 55, 1823 WLAN_EID_TIMEOUT_INTERVAL = 56, 1824 WLAN_EID_RIC_DATA = 57, 1825 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 1826 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 1827 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 1828 WLAN_EID_HT_OPERATION = 61, 1829 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 1830 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 1831 WLAN_EID_ANTENNA_INFO = 64, 1832 WLAN_EID_RSNI = 65, 1833 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 1834 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 1835 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 1836 WLAN_EID_TIME_ADVERTISEMENT = 69, 1837 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 1838 WLAN_EID_MULTIPLE_BSSID = 71, 1839 WLAN_EID_BSS_COEX_2040 = 72, 1840 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 1841 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 1842 WLAN_EID_RIC_DESCRIPTOR = 75, 1843 WLAN_EID_MMIE = 76, 1844 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 1845 WLAN_EID_EVENT_REQUEST = 78, 1846 WLAN_EID_EVENT_REPORT = 79, 1847 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 1848 WLAN_EID_DIAGNOSTIC_REPORT = 81, 1849 WLAN_EID_LOCATION_PARAMS = 82, 1850 WLAN_EID_NON_TX_BSSID_CAP = 83, 1851 WLAN_EID_SSID_LIST = 84, 1852 WLAN_EID_MULTI_BSSID_IDX = 85, 1853 WLAN_EID_FMS_DESCRIPTOR = 86, 1854 WLAN_EID_FMS_REQUEST = 87, 1855 WLAN_EID_FMS_RESPONSE = 88, 1856 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 1857 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 1858 WLAN_EID_TSF_REQUEST = 91, 1859 WLAN_EID_TSF_RESPOSNE = 92, 1860 WLAN_EID_WNM_SLEEP_MODE = 93, 1861 WLAN_EID_TIM_BCAST_REQ = 94, 1862 WLAN_EID_TIM_BCAST_RESP = 95, 1863 WLAN_EID_COLL_IF_REPORT = 96, 1864 WLAN_EID_CHANNEL_USAGE = 97, 1865 WLAN_EID_TIME_ZONE = 98, 1866 WLAN_EID_DMS_REQUEST = 99, 1867 WLAN_EID_DMS_RESPONSE = 100, 1868 WLAN_EID_LINK_ID = 101, 1869 WLAN_EID_WAKEUP_SCHEDUL = 102, 1870 /* 103 reserved */ 1871 WLAN_EID_CHAN_SWITCH_TIMING = 104, 1872 WLAN_EID_PTI_CONTROL = 105, 1873 WLAN_EID_PU_BUFFER_STATUS = 106, 1874 WLAN_EID_INTERWORKING = 107, 1875 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 1876 WLAN_EID_EXPEDITED_BW_REQ = 109, 1877 WLAN_EID_QOS_MAP_SET = 110, 1878 WLAN_EID_ROAMING_CONSORTIUM = 111, 1879 WLAN_EID_EMERGENCY_ALERT = 112, 1880 WLAN_EID_MESH_CONFIG = 113, 1881 WLAN_EID_MESH_ID = 114, 1882 WLAN_EID_LINK_METRIC_REPORT = 115, 1883 WLAN_EID_CONGESTION_NOTIFICATION = 116, 1884 WLAN_EID_PEER_MGMT = 117, 1885 WLAN_EID_CHAN_SWITCH_PARAM = 118, 1886 WLAN_EID_MESH_AWAKE_WINDOW = 119, 1887 WLAN_EID_BEACON_TIMING = 120, 1888 WLAN_EID_MCCAOP_SETUP_REQ = 121, 1889 WLAN_EID_MCCAOP_SETUP_RESP = 122, 1890 WLAN_EID_MCCAOP_ADVERT = 123, 1891 WLAN_EID_MCCAOP_TEARDOWN = 124, 1892 WLAN_EID_GANN = 125, 1893 WLAN_EID_RANN = 126, 1894 WLAN_EID_EXT_CAPABILITY = 127, 1895 /* 128, 129 reserved for Agere */ 1896 WLAN_EID_PREQ = 130, 1897 WLAN_EID_PREP = 131, 1898 WLAN_EID_PERR = 132, 1899 /* 133-136 reserved for Cisco */ 1900 WLAN_EID_PXU = 137, 1901 WLAN_EID_PXUC = 138, 1902 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 1903 WLAN_EID_MIC = 140, 1904 WLAN_EID_DESTINATION_URI = 141, 1905 WLAN_EID_UAPSD_COEX = 142, 1906 WLAN_EID_WAKEUP_SCHEDULE = 143, 1907 WLAN_EID_EXT_SCHEDULE = 144, 1908 WLAN_EID_STA_AVAILABILITY = 145, 1909 WLAN_EID_DMG_TSPEC = 146, 1910 WLAN_EID_DMG_AT = 147, 1911 WLAN_EID_DMG_CAP = 148, 1912 /* 149 reserved for Cisco */ 1913 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 1914 WLAN_EID_DMG_OPERATION = 151, 1915 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 1916 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 1917 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 1918 /* 155-156 reserved for Cisco */ 1919 WLAN_EID_AWAKE_WINDOW = 157, 1920 WLAN_EID_MULTI_BAND = 158, 1921 WLAN_EID_ADDBA_EXT = 159, 1922 WLAN_EID_NEXT_PCP_LIST = 160, 1923 WLAN_EID_PCP_HANDOVER = 161, 1924 WLAN_EID_DMG_LINK_MARGIN = 162, 1925 WLAN_EID_SWITCHING_STREAM = 163, 1926 WLAN_EID_SESSION_TRANSITION = 164, 1927 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 1928 WLAN_EID_CLUSTER_REPORT = 166, 1929 WLAN_EID_RELAY_CAP = 167, 1930 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 1931 WLAN_EID_BEAM_LINK_MAINT = 169, 1932 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 1933 WLAN_EID_U_PID = 171, 1934 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 1935 /* 173 reserved for Symbol */ 1936 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 1937 WLAN_EID_QUIET_PERIOD_REQ = 175, 1938 /* 176 reserved for Symbol */ 1939 WLAN_EID_QUIET_PERIOD_RESP = 177, 1940 /* 178-179 reserved for Symbol */ 1941 /* 180 reserved for ISO/IEC 20011 */ 1942 WLAN_EID_EPAC_POLICY = 182, 1943 WLAN_EID_CLISTER_TIME_OFF = 183, 1944 WLAN_EID_INTER_AC_PRIO = 184, 1945 WLAN_EID_SCS_DESCRIPTOR = 185, 1946 WLAN_EID_QLOAD_REPORT = 186, 1947 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 1948 WLAN_EID_HL_STREAM_ID = 188, 1949 WLAN_EID_GCR_GROUP_ADDR = 189, 1950 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 1951 WLAN_EID_VHT_CAPABILITY = 191, 1952 WLAN_EID_VHT_OPERATION = 192, 1953 WLAN_EID_EXTENDED_BSS_LOAD = 193, 1954 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 1955 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 1956 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 1957 WLAN_EID_AID = 197, 1958 WLAN_EID_QUIET_CHANNEL = 198, 1959 WLAN_EID_OPMODE_NOTIF = 199, 1960 1961 WLAN_EID_VENDOR_SPECIFIC = 221, 1962 WLAN_EID_QOS_PARAMETER = 222, 1963 }; 1964 1965 /* Action category code */ 1966 enum ieee80211_category { 1967 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 1968 WLAN_CATEGORY_QOS = 1, 1969 WLAN_CATEGORY_DLS = 2, 1970 WLAN_CATEGORY_BACK = 3, 1971 WLAN_CATEGORY_PUBLIC = 4, 1972 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 1973 WLAN_CATEGORY_HT = 7, 1974 WLAN_CATEGORY_SA_QUERY = 8, 1975 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 1976 WLAN_CATEGORY_WNM = 10, 1977 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 1978 WLAN_CATEGORY_TDLS = 12, 1979 WLAN_CATEGORY_MESH_ACTION = 13, 1980 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 1981 WLAN_CATEGORY_SELF_PROTECTED = 15, 1982 WLAN_CATEGORY_DMG = 16, 1983 WLAN_CATEGORY_WMM = 17, 1984 WLAN_CATEGORY_FST = 18, 1985 WLAN_CATEGORY_UNPROT_DMG = 20, 1986 WLAN_CATEGORY_VHT = 21, 1987 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 1988 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 1989 }; 1990 1991 /* SPECTRUM_MGMT action code */ 1992 enum ieee80211_spectrum_mgmt_actioncode { 1993 WLAN_ACTION_SPCT_MSR_REQ = 0, 1994 WLAN_ACTION_SPCT_MSR_RPRT = 1, 1995 WLAN_ACTION_SPCT_TPC_REQ = 2, 1996 WLAN_ACTION_SPCT_TPC_RPRT = 3, 1997 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 1998 }; 1999 2000 /* HT action codes */ 2001 enum ieee80211_ht_actioncode { 2002 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 2003 WLAN_HT_ACTION_SMPS = 1, 2004 WLAN_HT_ACTION_PSMP = 2, 2005 WLAN_HT_ACTION_PCO_PHASE = 3, 2006 WLAN_HT_ACTION_CSI = 4, 2007 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 2008 WLAN_HT_ACTION_COMPRESSED_BF = 6, 2009 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 2010 }; 2011 2012 /* VHT action codes */ 2013 enum ieee80211_vht_actioncode { 2014 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 2015 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 2016 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 2017 }; 2018 2019 /* Self Protected Action codes */ 2020 enum ieee80211_self_protected_actioncode { 2021 WLAN_SP_RESERVED = 0, 2022 WLAN_SP_MESH_PEERING_OPEN = 1, 2023 WLAN_SP_MESH_PEERING_CONFIRM = 2, 2024 WLAN_SP_MESH_PEERING_CLOSE = 3, 2025 WLAN_SP_MGK_INFORM = 4, 2026 WLAN_SP_MGK_ACK = 5, 2027 }; 2028 2029 /* Mesh action codes */ 2030 enum ieee80211_mesh_actioncode { 2031 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2032 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2033 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2034 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2035 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2036 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2037 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2038 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2039 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2040 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2041 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2042 }; 2043 2044 /* Security key length */ 2045 enum ieee80211_key_len { 2046 WLAN_KEY_LEN_WEP40 = 5, 2047 WLAN_KEY_LEN_WEP104 = 13, 2048 WLAN_KEY_LEN_CCMP = 16, 2049 WLAN_KEY_LEN_CCMP_256 = 32, 2050 WLAN_KEY_LEN_TKIP = 32, 2051 WLAN_KEY_LEN_AES_CMAC = 16, 2052 WLAN_KEY_LEN_SMS4 = 32, 2053 WLAN_KEY_LEN_GCMP = 16, 2054 WLAN_KEY_LEN_GCMP_256 = 32, 2055 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2056 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2057 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2058 }; 2059 2060 #define IEEE80211_WEP_IV_LEN 4 2061 #define IEEE80211_WEP_ICV_LEN 4 2062 #define IEEE80211_CCMP_HDR_LEN 8 2063 #define IEEE80211_CCMP_MIC_LEN 8 2064 #define IEEE80211_CCMP_PN_LEN 6 2065 #define IEEE80211_CCMP_256_HDR_LEN 8 2066 #define IEEE80211_CCMP_256_MIC_LEN 16 2067 #define IEEE80211_CCMP_256_PN_LEN 6 2068 #define IEEE80211_TKIP_IV_LEN 8 2069 #define IEEE80211_TKIP_ICV_LEN 4 2070 #define IEEE80211_CMAC_PN_LEN 6 2071 #define IEEE80211_GMAC_PN_LEN 6 2072 #define IEEE80211_GCMP_HDR_LEN 8 2073 #define IEEE80211_GCMP_MIC_LEN 16 2074 #define IEEE80211_GCMP_PN_LEN 6 2075 2076 /* Public action codes */ 2077 enum ieee80211_pub_actioncode { 2078 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2079 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2080 }; 2081 2082 /* TDLS action codes */ 2083 enum ieee80211_tdls_actioncode { 2084 WLAN_TDLS_SETUP_REQUEST = 0, 2085 WLAN_TDLS_SETUP_RESPONSE = 1, 2086 WLAN_TDLS_SETUP_CONFIRM = 2, 2087 WLAN_TDLS_TEARDOWN = 3, 2088 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 2089 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 2090 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 2091 WLAN_TDLS_PEER_PSM_REQUEST = 7, 2092 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 2093 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 2094 WLAN_TDLS_DISCOVERY_REQUEST = 10, 2095 }; 2096 2097 /* Extended Channel Switching capability to be set in the 1st byte of 2098 * the @WLAN_EID_EXT_CAPABILITY information element 2099 */ 2100 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 2101 2102 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 2103 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 2104 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 2105 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 2106 2107 /* Interworking capabilities are set in 7th bit of 4th byte of the 2108 * @WLAN_EID_EXT_CAPABILITY information element 2109 */ 2110 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 2111 2112 /* 2113 * TDLS capabililites to be enabled in the 5th byte of the 2114 * @WLAN_EID_EXT_CAPABILITY information element 2115 */ 2116 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 2117 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 2118 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 2119 2120 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 2121 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 2122 2123 /* Defines the maximal number of MSDUs in an A-MSDU. */ 2124 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 2125 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 2126 2127 /* 2128 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 2129 * information element 2130 */ 2131 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 2132 2133 /* TDLS specific payload type in the LLC/SNAP header */ 2134 #define WLAN_TDLS_SNAP_RFTYPE 0x2 2135 2136 /* BSS Coex IE information field bits */ 2137 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 2138 2139 /** 2140 * enum - mesh synchronization method identifier 2141 * 2142 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 2143 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 2144 * that will be specified in a vendor specific information element 2145 */ 2146 enum { 2147 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 2148 IEEE80211_SYNC_METHOD_VENDOR = 255, 2149 }; 2150 2151 /** 2152 * enum - mesh path selection protocol identifier 2153 * 2154 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 2155 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 2156 * be specified in a vendor specific information element 2157 */ 2158 enum { 2159 IEEE80211_PATH_PROTOCOL_HWMP = 1, 2160 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 2161 }; 2162 2163 /** 2164 * enum - mesh path selection metric identifier 2165 * 2166 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 2167 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 2168 * specified in a vendor specific information element 2169 */ 2170 enum { 2171 IEEE80211_PATH_METRIC_AIRTIME = 1, 2172 IEEE80211_PATH_METRIC_VENDOR = 255, 2173 }; 2174 2175 /** 2176 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 2177 * 2178 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 2179 * 2180 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 2181 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 2182 * this value 2183 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 2184 * the proactive PREQ with proactive PREP subfield set to 0 2185 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 2186 * supports the proactive PREQ with proactive PREP subfield set to 1 2187 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 2188 * the proactive RANN 2189 */ 2190 enum ieee80211_root_mode_identifier { 2191 IEEE80211_ROOTMODE_NO_ROOT = 0, 2192 IEEE80211_ROOTMODE_ROOT = 1, 2193 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 2194 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 2195 IEEE80211_PROACTIVE_RANN = 4, 2196 }; 2197 2198 /* 2199 * IEEE 802.11-2007 7.3.2.9 Country information element 2200 * 2201 * Minimum length is 8 octets, ie len must be evenly 2202 * divisible by 2 2203 */ 2204 2205 /* Although the spec says 8 I'm seeing 6 in practice */ 2206 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 2207 2208 /* The Country String field of the element shall be 3 octets in length */ 2209 #define IEEE80211_COUNTRY_STRING_LEN 3 2210 2211 /* 2212 * For regulatory extension stuff see IEEE 802.11-2007 2213 * Annex I (page 1141) and Annex J (page 1147). Also 2214 * review 7.3.2.9. 2215 * 2216 * When dot11RegulatoryClassesRequired is true and the 2217 * first_channel/reg_extension_id is >= 201 then the IE 2218 * compromises of the 'ext' struct represented below: 2219 * 2220 * - Regulatory extension ID - when generating IE this just needs 2221 * to be monotonically increasing for each triplet passed in 2222 * the IE 2223 * - Regulatory class - index into set of rules 2224 * - Coverage class - index into air propagation time (Table 7-27), 2225 * in microseconds, you can compute the air propagation time from 2226 * the index by multiplying by 3, so index 10 yields a propagation 2227 * of 10 us. Valid values are 0-31, values 32-255 are not defined 2228 * yet. A value of 0 inicates air propagation of <= 1 us. 2229 * 2230 * See also Table I.2 for Emission limit sets and table 2231 * I.3 for Behavior limit sets. Table J.1 indicates how to map 2232 * a reg_class to an emission limit set and behavior limit set. 2233 */ 2234 #define IEEE80211_COUNTRY_EXTENSION_ID 201 2235 2236 /* 2237 * Channels numbers in the IE must be monotonically increasing 2238 * if dot11RegulatoryClassesRequired is not true. 2239 * 2240 * If dot11RegulatoryClassesRequired is true consecutive 2241 * subband triplets following a regulatory triplet shall 2242 * have monotonically increasing first_channel number fields. 2243 * 2244 * Channel numbers shall not overlap. 2245 * 2246 * Note that max_power is signed. 2247 */ 2248 struct ieee80211_country_ie_triplet { 2249 union { 2250 struct { 2251 u8 first_channel; 2252 u8 num_channels; 2253 s8 max_power; 2254 } __packed chans; 2255 struct { 2256 u8 reg_extension_id; 2257 u8 reg_class; 2258 u8 coverage_class; 2259 } __packed ext; 2260 }; 2261 } __packed; 2262 2263 enum ieee80211_timeout_interval_type { 2264 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2265 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2266 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2267 }; 2268 2269 /** 2270 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2271 * @type: type, see &enum ieee80211_timeout_interval_type 2272 * @value: timeout interval value 2273 */ 2274 struct ieee80211_timeout_interval_ie { 2275 u8 type; 2276 __le32 value; 2277 } __packed; 2278 2279 /* BACK action code */ 2280 enum ieee80211_back_actioncode { 2281 WLAN_ACTION_ADDBA_REQ = 0, 2282 WLAN_ACTION_ADDBA_RESP = 1, 2283 WLAN_ACTION_DELBA = 2, 2284 }; 2285 2286 /* BACK (block-ack) parties */ 2287 enum ieee80211_back_parties { 2288 WLAN_BACK_RECIPIENT = 0, 2289 WLAN_BACK_INITIATOR = 1, 2290 }; 2291 2292 /* SA Query action */ 2293 enum ieee80211_sa_query_action { 2294 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2295 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2296 }; 2297 2298 2299 /* cipher suite selectors */ 2300 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 2301 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 2302 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 2303 /* reserved: 0x000FAC03 */ 2304 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 2305 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 2306 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 2307 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08 2308 #define WLAN_CIPHER_SUITE_GCMP_256 0x000FAC09 2309 #define WLAN_CIPHER_SUITE_CCMP_256 0x000FAC0A 2310 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 0x000FAC0B 2311 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 0x000FAC0C 2312 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 0x000FAC0D 2313 2314 #define WLAN_CIPHER_SUITE_SMS4 0x00147201 2315 2316 /* AKM suite selectors */ 2317 #define WLAN_AKM_SUITE_8021X 0x000FAC01 2318 #define WLAN_AKM_SUITE_PSK 0x000FAC02 2319 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05 2320 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06 2321 #define WLAN_AKM_SUITE_TDLS 0x000FAC07 2322 #define WLAN_AKM_SUITE_SAE 0x000FAC08 2323 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 2324 2325 #define WLAN_MAX_KEY_LEN 32 2326 2327 #define WLAN_PMKID_LEN 16 2328 2329 #define WLAN_OUI_WFA 0x506f9a 2330 #define WLAN_OUI_TYPE_WFA_P2P 9 2331 #define WLAN_OUI_MICROSOFT 0x0050f2 2332 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 2333 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 2334 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 2335 2336 /* 2337 * WMM/802.11e Tspec Element 2338 */ 2339 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 2340 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 2341 2342 enum ieee80211_tspec_status_code { 2343 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 2344 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 2345 }; 2346 2347 struct ieee80211_tspec_ie { 2348 u8 element_id; 2349 u8 len; 2350 u8 oui[3]; 2351 u8 oui_type; 2352 u8 oui_subtype; 2353 u8 version; 2354 __le16 tsinfo; 2355 u8 tsinfo_resvd; 2356 __le16 nominal_msdu; 2357 __le16 max_msdu; 2358 __le32 min_service_int; 2359 __le32 max_service_int; 2360 __le32 inactivity_int; 2361 __le32 suspension_int; 2362 __le32 service_start_time; 2363 __le32 min_data_rate; 2364 __le32 mean_data_rate; 2365 __le32 peak_data_rate; 2366 __le32 max_burst_size; 2367 __le32 delay_bound; 2368 __le32 min_phy_rate; 2369 __le16 sba; 2370 __le16 medium_time; 2371 } __packed; 2372 2373 /** 2374 * ieee80211_get_qos_ctl - get pointer to qos control bytes 2375 * @hdr: the frame 2376 * 2377 * The qos ctrl bytes come after the frame_control, duration, seq_num 2378 * and 3 or 4 addresses of length ETH_ALEN. 2379 * 3 addr: 2 + 2 + 2 + 3*6 = 24 2380 * 4 addr: 2 + 2 + 2 + 4*6 = 30 2381 */ 2382 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 2383 { 2384 if (ieee80211_has_a4(hdr->frame_control)) 2385 return (u8 *)hdr + 30; 2386 else 2387 return (u8 *)hdr + 24; 2388 } 2389 2390 /** 2391 * ieee80211_get_SA - get pointer to SA 2392 * @hdr: the frame 2393 * 2394 * Given an 802.11 frame, this function returns the offset 2395 * to the source address (SA). It does not verify that the 2396 * header is long enough to contain the address, and the 2397 * header must be long enough to contain the frame control 2398 * field. 2399 */ 2400 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 2401 { 2402 if (ieee80211_has_a4(hdr->frame_control)) 2403 return hdr->addr4; 2404 if (ieee80211_has_fromds(hdr->frame_control)) 2405 return hdr->addr3; 2406 return hdr->addr2; 2407 } 2408 2409 /** 2410 * ieee80211_get_DA - get pointer to DA 2411 * @hdr: the frame 2412 * 2413 * Given an 802.11 frame, this function returns the offset 2414 * to the destination address (DA). It does not verify that 2415 * the header is long enough to contain the address, and the 2416 * header must be long enough to contain the frame control 2417 * field. 2418 */ 2419 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 2420 { 2421 if (ieee80211_has_tods(hdr->frame_control)) 2422 return hdr->addr3; 2423 else 2424 return hdr->addr1; 2425 } 2426 2427 /** 2428 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 2429 * @hdr: the frame (buffer must include at least the first octet of payload) 2430 */ 2431 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 2432 { 2433 if (ieee80211_is_disassoc(hdr->frame_control) || 2434 ieee80211_is_deauth(hdr->frame_control)) 2435 return true; 2436 2437 if (ieee80211_is_action(hdr->frame_control)) { 2438 u8 *category; 2439 2440 /* 2441 * Action frames, excluding Public Action frames, are Robust 2442 * Management Frames. However, if we are looking at a Protected 2443 * frame, skip the check since the data may be encrypted and 2444 * the frame has already been found to be a Robust Management 2445 * Frame (by the other end). 2446 */ 2447 if (ieee80211_has_protected(hdr->frame_control)) 2448 return true; 2449 category = ((u8 *) hdr) + 24; 2450 return *category != WLAN_CATEGORY_PUBLIC && 2451 *category != WLAN_CATEGORY_HT && 2452 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 2453 *category != WLAN_CATEGORY_SELF_PROTECTED && 2454 *category != WLAN_CATEGORY_UNPROT_DMG && 2455 *category != WLAN_CATEGORY_VHT && 2456 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 2457 } 2458 2459 return false; 2460 } 2461 2462 /** 2463 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 2464 * @skb: the skb containing the frame, length will be checked 2465 */ 2466 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 2467 { 2468 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 2469 return false; 2470 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 2471 } 2472 2473 /** 2474 * ieee80211_is_public_action - check if frame is a public action frame 2475 * @hdr: the frame 2476 * @len: length of the frame 2477 */ 2478 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 2479 size_t len) 2480 { 2481 struct ieee80211_mgmt *mgmt = (void *)hdr; 2482 2483 if (len < IEEE80211_MIN_ACTION_SIZE) 2484 return false; 2485 if (!ieee80211_is_action(hdr->frame_control)) 2486 return false; 2487 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 2488 } 2489 2490 /** 2491 * _ieee80211_is_group_privacy_action - check if frame is a group addressed 2492 * privacy action frame 2493 * @hdr: the frame 2494 */ 2495 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr) 2496 { 2497 struct ieee80211_mgmt *mgmt = (void *)hdr; 2498 2499 if (!ieee80211_is_action(hdr->frame_control) || 2500 !is_multicast_ether_addr(hdr->addr1)) 2501 return false; 2502 2503 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION || 2504 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION; 2505 } 2506 2507 /** 2508 * ieee80211_is_group_privacy_action - check if frame is a group addressed 2509 * privacy action frame 2510 * @skb: the skb containing the frame, length will be checked 2511 */ 2512 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb) 2513 { 2514 if (skb->len < IEEE80211_MIN_ACTION_SIZE) 2515 return false; 2516 return _ieee80211_is_group_privacy_action((void *)skb->data); 2517 } 2518 2519 /** 2520 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 2521 * @tu: the TUs 2522 */ 2523 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 2524 { 2525 return 1024 * tu; 2526 } 2527 2528 /** 2529 * ieee80211_check_tim - check if AID bit is set in TIM 2530 * @tim: the TIM IE 2531 * @tim_len: length of the TIM IE 2532 * @aid: the AID to look for 2533 */ 2534 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 2535 u8 tim_len, u16 aid) 2536 { 2537 u8 mask; 2538 u8 index, indexn1, indexn2; 2539 2540 if (unlikely(!tim || tim_len < sizeof(*tim))) 2541 return false; 2542 2543 aid &= 0x3fff; 2544 index = aid / 8; 2545 mask = 1 << (aid & 7); 2546 2547 indexn1 = tim->bitmap_ctrl & 0xfe; 2548 indexn2 = tim_len + indexn1 - 4; 2549 2550 if (index < indexn1 || index > indexn2) 2551 return false; 2552 2553 index -= indexn1; 2554 2555 return !!(tim->virtual_map[index] & mask); 2556 } 2557 2558 /** 2559 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 2560 * @skb: the skb containing the frame, length will not be checked 2561 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 2562 * 2563 * This function assumes the frame is a data frame, and that the network header 2564 * is in the correct place. 2565 */ 2566 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 2567 { 2568 if (!skb_is_nonlinear(skb) && 2569 skb->len > (skb_network_offset(skb) + 2)) { 2570 /* Point to where the indication of TDLS should start */ 2571 const u8 *tdls_data = skb_network_header(skb) - 2; 2572 2573 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 2574 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 2575 tdls_data[3] == WLAN_CATEGORY_TDLS) 2576 return tdls_data[4]; 2577 } 2578 2579 return -1; 2580 } 2581 2582 /* convert time units */ 2583 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 2584 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 2585 2586 /** 2587 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 2588 * @skb: the skb containing the frame, length will be checked 2589 * 2590 * This function checks if it's either TPC report action frame or Link 2591 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 2592 * and 8.5.7.5 accordingly. 2593 */ 2594 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 2595 { 2596 struct ieee80211_mgmt *mgmt = (void *)skb->data; 2597 2598 if (!ieee80211_is_action(mgmt->frame_control)) 2599 return false; 2600 2601 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 2602 sizeof(mgmt->u.action.u.tpc_report)) 2603 return false; 2604 2605 /* 2606 * TPC report - check that: 2607 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 2608 * spectrum management action = 3 (TPC/Link Measurement report) 2609 * TPC report EID = 35 2610 * TPC report element length = 2 2611 * 2612 * The spectrum management's tpc_report struct is used here both for 2613 * parsing tpc_report and radio measurement's link measurement report 2614 * frame, since the relevant part is identical in both frames. 2615 */ 2616 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 2617 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 2618 return false; 2619 2620 /* both spectrum mgmt and link measurement have same action code */ 2621 if (mgmt->u.action.u.tpc_report.action_code != 2622 WLAN_ACTION_SPCT_TPC_RPRT) 2623 return false; 2624 2625 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 2626 mgmt->u.action.u.tpc_report.tpc_elem_length != 2627 sizeof(struct ieee80211_tpc_report_ie)) 2628 return false; 2629 2630 return true; 2631 } 2632 2633 #endif /* LINUX_IEEE80211_H */ 2634