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 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 as 13 * published by the Free Software Foundation. 14 */ 15 16 #ifndef LINUX_IEEE80211_H 17 #define LINUX_IEEE80211_H 18 19 #include <linux/types.h> 20 #include <linux/if_ether.h> 21 #include <asm/byteorder.h> 22 #include <asm/unaligned.h> 23 24 /* 25 * DS bit usage 26 * 27 * TA = transmitter address 28 * RA = receiver address 29 * DA = destination address 30 * SA = source address 31 * 32 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use 33 * ----------------------------------------------------------------- 34 * 0 0 DA SA BSSID - IBSS/DLS 35 * 0 1 DA BSSID SA - AP -> STA 36 * 1 0 BSSID SA DA - AP <- STA 37 * 1 1 RA TA DA SA unspecified (WDS) 38 */ 39 40 #define FCS_LEN 4 41 42 #define IEEE80211_FCTL_VERS 0x0003 43 #define IEEE80211_FCTL_FTYPE 0x000c 44 #define IEEE80211_FCTL_STYPE 0x00f0 45 #define IEEE80211_FCTL_TODS 0x0100 46 #define IEEE80211_FCTL_FROMDS 0x0200 47 #define IEEE80211_FCTL_MOREFRAGS 0x0400 48 #define IEEE80211_FCTL_RETRY 0x0800 49 #define IEEE80211_FCTL_PM 0x1000 50 #define IEEE80211_FCTL_MOREDATA 0x2000 51 #define IEEE80211_FCTL_PROTECTED 0x4000 52 #define IEEE80211_FCTL_ORDER 0x8000 53 #define IEEE80211_FCTL_CTL_EXT 0x0f00 54 55 #define IEEE80211_SCTL_FRAG 0x000F 56 #define IEEE80211_SCTL_SEQ 0xFFF0 57 58 #define IEEE80211_FTYPE_MGMT 0x0000 59 #define IEEE80211_FTYPE_CTL 0x0004 60 #define IEEE80211_FTYPE_DATA 0x0008 61 #define IEEE80211_FTYPE_EXT 0x000c 62 63 /* management */ 64 #define IEEE80211_STYPE_ASSOC_REQ 0x0000 65 #define IEEE80211_STYPE_ASSOC_RESP 0x0010 66 #define IEEE80211_STYPE_REASSOC_REQ 0x0020 67 #define IEEE80211_STYPE_REASSOC_RESP 0x0030 68 #define IEEE80211_STYPE_PROBE_REQ 0x0040 69 #define IEEE80211_STYPE_PROBE_RESP 0x0050 70 #define IEEE80211_STYPE_BEACON 0x0080 71 #define IEEE80211_STYPE_ATIM 0x0090 72 #define IEEE80211_STYPE_DISASSOC 0x00A0 73 #define IEEE80211_STYPE_AUTH 0x00B0 74 #define IEEE80211_STYPE_DEAUTH 0x00C0 75 #define IEEE80211_STYPE_ACTION 0x00D0 76 77 /* control */ 78 #define IEEE80211_STYPE_CTL_EXT 0x0060 79 #define IEEE80211_STYPE_BACK_REQ 0x0080 80 #define IEEE80211_STYPE_BACK 0x0090 81 #define IEEE80211_STYPE_PSPOLL 0x00A0 82 #define IEEE80211_STYPE_RTS 0x00B0 83 #define IEEE80211_STYPE_CTS 0x00C0 84 #define IEEE80211_STYPE_ACK 0x00D0 85 #define IEEE80211_STYPE_CFEND 0x00E0 86 #define IEEE80211_STYPE_CFENDACK 0x00F0 87 88 /* data */ 89 #define IEEE80211_STYPE_DATA 0x0000 90 #define IEEE80211_STYPE_DATA_CFACK 0x0010 91 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020 92 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 93 #define IEEE80211_STYPE_NULLFUNC 0x0040 94 #define IEEE80211_STYPE_CFACK 0x0050 95 #define IEEE80211_STYPE_CFPOLL 0x0060 96 #define IEEE80211_STYPE_CFACKPOLL 0x0070 97 #define IEEE80211_STYPE_QOS_DATA 0x0080 98 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090 99 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0 100 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0 101 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0 102 #define IEEE80211_STYPE_QOS_CFACK 0x00D0 103 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0 104 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0 105 106 /* extension, added by 802.11ad */ 107 #define IEEE80211_STYPE_DMG_BEACON 0x0000 108 109 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */ 110 #define IEEE80211_CTL_EXT_POLL 0x2000 111 #define IEEE80211_CTL_EXT_SPR 0x3000 112 #define IEEE80211_CTL_EXT_GRANT 0x4000 113 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000 114 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000 115 #define IEEE80211_CTL_EXT_SSW 0x8000 116 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000 117 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000 118 119 120 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4) 121 #define IEEE80211_MAX_SN IEEE80211_SN_MASK 122 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1) 123 124 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2) 125 { 126 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1); 127 } 128 129 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2) 130 { 131 return (sn1 + sn2) & IEEE80211_SN_MASK; 132 } 133 134 static inline u16 ieee80211_sn_inc(u16 sn) 135 { 136 return ieee80211_sn_add(sn, 1); 137 } 138 139 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2) 140 { 141 return (sn1 - sn2) & IEEE80211_SN_MASK; 142 } 143 144 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4) 145 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ) 146 147 /* miscellaneous IEEE 802.11 constants */ 148 #define IEEE80211_MAX_FRAG_THRESHOLD 2352 149 #define IEEE80211_MAX_RTS_THRESHOLD 2353 150 #define IEEE80211_MAX_AID 2007 151 #define IEEE80211_MAX_TIM_LEN 251 152 #define IEEE80211_MAX_MESH_PEERINGS 63 153 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 154 6.2.1.1.2. 155 156 802.11e clarifies the figure in section 7.1.2. The frame body is 157 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */ 158 #define IEEE80211_MAX_DATA_LEN 2304 159 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks 160 * to 7920 bytes, see 8.2.3 General frame format 161 */ 162 #define IEEE80211_MAX_DATA_LEN_DMG 7920 163 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */ 164 #define IEEE80211_MAX_FRAME_LEN 2352 165 166 /* Maximal size of an A-MSDU */ 167 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839 168 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935 169 170 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895 171 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991 172 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454 173 174 #define IEEE80211_MAX_SSID_LEN 32 175 176 #define IEEE80211_MAX_MESH_ID_LEN 32 177 178 #define IEEE80211_FIRST_TSPEC_TSID 8 179 #define IEEE80211_NUM_TIDS 16 180 181 /* number of user priorities 802.11 uses */ 182 #define IEEE80211_NUM_UPS 8 183 184 #define IEEE80211_QOS_CTL_LEN 2 185 /* 1d tag mask */ 186 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007 187 /* TID mask */ 188 #define IEEE80211_QOS_CTL_TID_MASK 0x000f 189 /* EOSP */ 190 #define IEEE80211_QOS_CTL_EOSP 0x0010 191 /* ACK policy */ 192 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000 193 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020 194 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040 195 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060 196 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060 197 /* A-MSDU 802.11n */ 198 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080 199 /* Mesh Control 802.11s */ 200 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100 201 202 /* Mesh Power Save Level */ 203 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200 204 /* Mesh Receiver Service Period Initiated */ 205 #define IEEE80211_QOS_CTL_RSPI 0x0400 206 207 /* U-APSD queue for WMM IEs sent by AP */ 208 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7) 209 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f 210 211 /* U-APSD queues for WMM IEs sent by STA */ 212 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0) 213 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1) 214 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2) 215 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3) 216 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f 217 218 /* U-APSD max SP length for WMM IEs sent by STA */ 219 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00 220 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01 221 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02 222 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03 223 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03 224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5 225 226 #define IEEE80211_HT_CTL_LEN 4 227 228 struct ieee80211_hdr { 229 __le16 frame_control; 230 __le16 duration_id; 231 u8 addr1[ETH_ALEN]; 232 u8 addr2[ETH_ALEN]; 233 u8 addr3[ETH_ALEN]; 234 __le16 seq_ctrl; 235 u8 addr4[ETH_ALEN]; 236 } __packed __aligned(2); 237 238 struct ieee80211_hdr_3addr { 239 __le16 frame_control; 240 __le16 duration_id; 241 u8 addr1[ETH_ALEN]; 242 u8 addr2[ETH_ALEN]; 243 u8 addr3[ETH_ALEN]; 244 __le16 seq_ctrl; 245 } __packed __aligned(2); 246 247 struct ieee80211_qos_hdr { 248 __le16 frame_control; 249 __le16 duration_id; 250 u8 addr1[ETH_ALEN]; 251 u8 addr2[ETH_ALEN]; 252 u8 addr3[ETH_ALEN]; 253 __le16 seq_ctrl; 254 __le16 qos_ctrl; 255 } __packed __aligned(2); 256 257 /** 258 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set 259 * @fc: frame control bytes in little-endian byteorder 260 */ 261 static inline bool ieee80211_has_tods(__le16 fc) 262 { 263 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0; 264 } 265 266 /** 267 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set 268 * @fc: frame control bytes in little-endian byteorder 269 */ 270 static inline bool ieee80211_has_fromds(__le16 fc) 271 { 272 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0; 273 } 274 275 /** 276 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set 277 * @fc: frame control bytes in little-endian byteorder 278 */ 279 static inline bool ieee80211_has_a4(__le16 fc) 280 { 281 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); 282 return (fc & tmp) == tmp; 283 } 284 285 /** 286 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set 287 * @fc: frame control bytes in little-endian byteorder 288 */ 289 static inline bool ieee80211_has_morefrags(__le16 fc) 290 { 291 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0; 292 } 293 294 /** 295 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set 296 * @fc: frame control bytes in little-endian byteorder 297 */ 298 static inline bool ieee80211_has_retry(__le16 fc) 299 { 300 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0; 301 } 302 303 /** 304 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set 305 * @fc: frame control bytes in little-endian byteorder 306 */ 307 static inline bool ieee80211_has_pm(__le16 fc) 308 { 309 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0; 310 } 311 312 /** 313 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set 314 * @fc: frame control bytes in little-endian byteorder 315 */ 316 static inline bool ieee80211_has_moredata(__le16 fc) 317 { 318 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0; 319 } 320 321 /** 322 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set 323 * @fc: frame control bytes in little-endian byteorder 324 */ 325 static inline bool ieee80211_has_protected(__le16 fc) 326 { 327 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0; 328 } 329 330 /** 331 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set 332 * @fc: frame control bytes in little-endian byteorder 333 */ 334 static inline bool ieee80211_has_order(__le16 fc) 335 { 336 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0; 337 } 338 339 /** 340 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT 341 * @fc: frame control bytes in little-endian byteorder 342 */ 343 static inline bool ieee80211_is_mgmt(__le16 fc) 344 { 345 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 346 cpu_to_le16(IEEE80211_FTYPE_MGMT); 347 } 348 349 /** 350 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL 351 * @fc: frame control bytes in little-endian byteorder 352 */ 353 static inline bool ieee80211_is_ctl(__le16 fc) 354 { 355 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 356 cpu_to_le16(IEEE80211_FTYPE_CTL); 357 } 358 359 /** 360 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA 361 * @fc: frame control bytes in little-endian byteorder 362 */ 363 static inline bool ieee80211_is_data(__le16 fc) 364 { 365 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) == 366 cpu_to_le16(IEEE80211_FTYPE_DATA); 367 } 368 369 /** 370 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set 371 * @fc: frame control bytes in little-endian byteorder 372 */ 373 static inline bool ieee80211_is_data_qos(__le16 fc) 374 { 375 /* 376 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need 377 * to check the one bit 378 */ 379 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) == 380 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA); 381 } 382 383 /** 384 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data 385 * @fc: frame control bytes in little-endian byteorder 386 */ 387 static inline bool ieee80211_is_data_present(__le16 fc) 388 { 389 /* 390 * mask with 0x40 and test that that bit is clear to only return true 391 * for the data-containing substypes. 392 */ 393 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) == 394 cpu_to_le16(IEEE80211_FTYPE_DATA); 395 } 396 397 /** 398 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ 399 * @fc: frame control bytes in little-endian byteorder 400 */ 401 static inline bool ieee80211_is_assoc_req(__le16 fc) 402 { 403 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 404 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ); 405 } 406 407 /** 408 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP 409 * @fc: frame control bytes in little-endian byteorder 410 */ 411 static inline bool ieee80211_is_assoc_resp(__le16 fc) 412 { 413 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 414 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP); 415 } 416 417 /** 418 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ 419 * @fc: frame control bytes in little-endian byteorder 420 */ 421 static inline bool ieee80211_is_reassoc_req(__le16 fc) 422 { 423 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 424 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ); 425 } 426 427 /** 428 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP 429 * @fc: frame control bytes in little-endian byteorder 430 */ 431 static inline bool ieee80211_is_reassoc_resp(__le16 fc) 432 { 433 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 434 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP); 435 } 436 437 /** 438 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ 439 * @fc: frame control bytes in little-endian byteorder 440 */ 441 static inline bool ieee80211_is_probe_req(__le16 fc) 442 { 443 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 444 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ); 445 } 446 447 /** 448 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP 449 * @fc: frame control bytes in little-endian byteorder 450 */ 451 static inline bool ieee80211_is_probe_resp(__le16 fc) 452 { 453 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 454 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP); 455 } 456 457 /** 458 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON 459 * @fc: frame control bytes in little-endian byteorder 460 */ 461 static inline bool ieee80211_is_beacon(__le16 fc) 462 { 463 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 464 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON); 465 } 466 467 /** 468 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM 469 * @fc: frame control bytes in little-endian byteorder 470 */ 471 static inline bool ieee80211_is_atim(__le16 fc) 472 { 473 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 474 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM); 475 } 476 477 /** 478 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC 479 * @fc: frame control bytes in little-endian byteorder 480 */ 481 static inline bool ieee80211_is_disassoc(__le16 fc) 482 { 483 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 484 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC); 485 } 486 487 /** 488 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH 489 * @fc: frame control bytes in little-endian byteorder 490 */ 491 static inline bool ieee80211_is_auth(__le16 fc) 492 { 493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 494 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH); 495 } 496 497 /** 498 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH 499 * @fc: frame control bytes in little-endian byteorder 500 */ 501 static inline bool ieee80211_is_deauth(__le16 fc) 502 { 503 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 504 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH); 505 } 506 507 /** 508 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION 509 * @fc: frame control bytes in little-endian byteorder 510 */ 511 static inline bool ieee80211_is_action(__le16 fc) 512 { 513 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 514 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION); 515 } 516 517 /** 518 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ 519 * @fc: frame control bytes in little-endian byteorder 520 */ 521 static inline bool ieee80211_is_back_req(__le16 fc) 522 { 523 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 524 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); 525 } 526 527 /** 528 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK 529 * @fc: frame control bytes in little-endian byteorder 530 */ 531 static inline bool ieee80211_is_back(__le16 fc) 532 { 533 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 534 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK); 535 } 536 537 /** 538 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL 539 * @fc: frame control bytes in little-endian byteorder 540 */ 541 static inline bool ieee80211_is_pspoll(__le16 fc) 542 { 543 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 544 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 545 } 546 547 /** 548 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS 549 * @fc: frame control bytes in little-endian byteorder 550 */ 551 static inline bool ieee80211_is_rts(__le16 fc) 552 { 553 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 554 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); 555 } 556 557 /** 558 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS 559 * @fc: frame control bytes in little-endian byteorder 560 */ 561 static inline bool ieee80211_is_cts(__le16 fc) 562 { 563 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 564 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); 565 } 566 567 /** 568 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK 569 * @fc: frame control bytes in little-endian byteorder 570 */ 571 static inline bool ieee80211_is_ack(__le16 fc) 572 { 573 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 574 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK); 575 } 576 577 /** 578 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND 579 * @fc: frame control bytes in little-endian byteorder 580 */ 581 static inline bool ieee80211_is_cfend(__le16 fc) 582 { 583 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 584 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND); 585 } 586 587 /** 588 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK 589 * @fc: frame control bytes in little-endian byteorder 590 */ 591 static inline bool ieee80211_is_cfendack(__le16 fc) 592 { 593 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 594 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK); 595 } 596 597 /** 598 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame 599 * @fc: frame control bytes in little-endian byteorder 600 */ 601 static inline bool ieee80211_is_nullfunc(__le16 fc) 602 { 603 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 604 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC); 605 } 606 607 /** 608 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame 609 * @fc: frame control bytes in little-endian byteorder 610 */ 611 static inline bool ieee80211_is_qos_nullfunc(__le16 fc) 612 { 613 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == 614 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC); 615 } 616 617 /** 618 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU 619 * @fc: frame control field in little-endian byteorder 620 */ 621 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc) 622 { 623 /* IEEE 802.11-2012, definition of "bufferable management frame"; 624 * note that this ignores the IBSS special case. */ 625 return ieee80211_is_mgmt(fc) && 626 (ieee80211_is_action(fc) || 627 ieee80211_is_disassoc(fc) || 628 ieee80211_is_deauth(fc)); 629 } 630 631 /** 632 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set 633 * @seq_ctrl: frame sequence control bytes in little-endian byteorder 634 */ 635 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl) 636 { 637 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0; 638 } 639 640 struct ieee80211s_hdr { 641 u8 flags; 642 u8 ttl; 643 __le32 seqnum; 644 u8 eaddr1[ETH_ALEN]; 645 u8 eaddr2[ETH_ALEN]; 646 } __packed __aligned(2); 647 648 /* Mesh flags */ 649 #define MESH_FLAGS_AE_A4 0x1 650 #define MESH_FLAGS_AE_A5_A6 0x2 651 #define MESH_FLAGS_AE 0x3 652 #define MESH_FLAGS_PS_DEEP 0x4 653 654 /** 655 * enum ieee80211_preq_flags - mesh PREQ element flags 656 * 657 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield 658 */ 659 enum ieee80211_preq_flags { 660 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2, 661 }; 662 663 /** 664 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags 665 * 666 * @IEEE80211_PREQ_TO_FLAG: target only subfield 667 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield 668 */ 669 enum ieee80211_preq_target_flags { 670 IEEE80211_PREQ_TO_FLAG = 1<<0, 671 IEEE80211_PREQ_USN_FLAG = 1<<2, 672 }; 673 674 /** 675 * struct ieee80211_quiet_ie 676 * 677 * This structure refers to "Quiet information element" 678 */ 679 struct ieee80211_quiet_ie { 680 u8 count; 681 u8 period; 682 __le16 duration; 683 __le16 offset; 684 } __packed; 685 686 /** 687 * struct ieee80211_msrment_ie 688 * 689 * This structure refers to "Measurement Request/Report information element" 690 */ 691 struct ieee80211_msrment_ie { 692 u8 token; 693 u8 mode; 694 u8 type; 695 u8 request[0]; 696 } __packed; 697 698 /** 699 * struct ieee80211_channel_sw_ie 700 * 701 * This structure refers to "Channel Switch Announcement information element" 702 */ 703 struct ieee80211_channel_sw_ie { 704 u8 mode; 705 u8 new_ch_num; 706 u8 count; 707 } __packed; 708 709 /** 710 * struct ieee80211_ext_chansw_ie 711 * 712 * This structure represents the "Extended Channel Switch Announcement element" 713 */ 714 struct ieee80211_ext_chansw_ie { 715 u8 mode; 716 u8 new_operating_class; 717 u8 new_ch_num; 718 u8 count; 719 } __packed; 720 721 /** 722 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE 723 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_* 724 * values here 725 * This structure represents the "Secondary Channel Offset element" 726 */ 727 struct ieee80211_sec_chan_offs_ie { 728 u8 sec_chan_offs; 729 } __packed; 730 731 /** 732 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE 733 * 734 * This structure represents the "Mesh Channel Switch Paramters element" 735 */ 736 struct ieee80211_mesh_chansw_params_ie { 737 u8 mesh_ttl; 738 u8 mesh_flags; 739 __le16 mesh_reason; 740 __le16 mesh_pre_value; 741 } __packed; 742 743 /** 744 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE 745 */ 746 struct ieee80211_wide_bw_chansw_ie { 747 u8 new_channel_width; 748 u8 new_center_freq_seg0, new_center_freq_seg1; 749 } __packed; 750 751 /** 752 * struct ieee80211_tim 753 * 754 * This structure refers to "Traffic Indication Map information element" 755 */ 756 struct ieee80211_tim_ie { 757 u8 dtim_count; 758 u8 dtim_period; 759 u8 bitmap_ctrl; 760 /* variable size: 1 - 251 bytes */ 761 u8 virtual_map[1]; 762 } __packed; 763 764 /** 765 * struct ieee80211_meshconf_ie 766 * 767 * This structure refers to "Mesh Configuration information element" 768 */ 769 struct ieee80211_meshconf_ie { 770 u8 meshconf_psel; 771 u8 meshconf_pmetric; 772 u8 meshconf_congest; 773 u8 meshconf_synch; 774 u8 meshconf_auth; 775 u8 meshconf_form; 776 u8 meshconf_cap; 777 } __packed; 778 779 /** 780 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags 781 * 782 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish 783 * additional mesh peerings with other mesh STAs 784 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs 785 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure 786 * is ongoing 787 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has 788 * neighbors in deep sleep mode 789 */ 790 enum mesh_config_capab_flags { 791 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01, 792 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08, 793 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20, 794 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40, 795 }; 796 797 /** 798 * mesh channel switch parameters element's flag indicator 799 * 800 */ 801 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0) 802 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1) 803 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2) 804 805 /** 806 * struct ieee80211_rann_ie 807 * 808 * This structure refers to "Root Announcement information element" 809 */ 810 struct ieee80211_rann_ie { 811 u8 rann_flags; 812 u8 rann_hopcount; 813 u8 rann_ttl; 814 u8 rann_addr[ETH_ALEN]; 815 __le32 rann_seq; 816 __le32 rann_interval; 817 __le32 rann_metric; 818 } __packed; 819 820 enum ieee80211_rann_flags { 821 RANN_FLAG_IS_GATE = 1 << 0, 822 }; 823 824 enum ieee80211_ht_chanwidth_values { 825 IEEE80211_HT_CHANWIDTH_20MHZ = 0, 826 IEEE80211_HT_CHANWIDTH_ANY = 1, 827 }; 828 829 /** 830 * enum ieee80211_opmode_bits - VHT operating mode field bits 831 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask 832 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width 833 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width 834 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width 835 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width 836 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask 837 * (the NSS value is the value of this field + 1) 838 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift 839 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU 840 * using a beamforming steering matrix 841 */ 842 enum ieee80211_vht_opmode_bits { 843 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3, 844 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0, 845 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1, 846 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2, 847 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3, 848 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70, 849 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4, 850 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80, 851 }; 852 853 #define WLAN_SA_QUERY_TR_ID_LEN 2 854 #define WLAN_MEMBERSHIP_LEN 8 855 #define WLAN_USER_POSITION_LEN 16 856 857 /** 858 * struct ieee80211_tpc_report_ie 859 * 860 * This structure refers to "TPC Report element" 861 */ 862 struct ieee80211_tpc_report_ie { 863 u8 tx_power; 864 u8 link_margin; 865 } __packed; 866 867 struct ieee80211_mgmt { 868 __le16 frame_control; 869 __le16 duration; 870 u8 da[ETH_ALEN]; 871 u8 sa[ETH_ALEN]; 872 u8 bssid[ETH_ALEN]; 873 __le16 seq_ctrl; 874 union { 875 struct { 876 __le16 auth_alg; 877 __le16 auth_transaction; 878 __le16 status_code; 879 /* possibly followed by Challenge text */ 880 u8 variable[0]; 881 } __packed auth; 882 struct { 883 __le16 reason_code; 884 } __packed deauth; 885 struct { 886 __le16 capab_info; 887 __le16 listen_interval; 888 /* followed by SSID and Supported rates */ 889 u8 variable[0]; 890 } __packed assoc_req; 891 struct { 892 __le16 capab_info; 893 __le16 status_code; 894 __le16 aid; 895 /* followed by Supported rates */ 896 u8 variable[0]; 897 } __packed assoc_resp, reassoc_resp; 898 struct { 899 __le16 capab_info; 900 __le16 listen_interval; 901 u8 current_ap[ETH_ALEN]; 902 /* followed by SSID and Supported rates */ 903 u8 variable[0]; 904 } __packed reassoc_req; 905 struct { 906 __le16 reason_code; 907 } __packed disassoc; 908 struct { 909 __le64 timestamp; 910 __le16 beacon_int; 911 __le16 capab_info; 912 /* followed by some of SSID, Supported rates, 913 * FH Params, DS Params, CF Params, IBSS Params, TIM */ 914 u8 variable[0]; 915 } __packed beacon; 916 struct { 917 /* only variable items: SSID, Supported rates */ 918 u8 variable[0]; 919 } __packed probe_req; 920 struct { 921 __le64 timestamp; 922 __le16 beacon_int; 923 __le16 capab_info; 924 /* followed by some of SSID, Supported rates, 925 * FH Params, DS Params, CF Params, IBSS Params */ 926 u8 variable[0]; 927 } __packed probe_resp; 928 struct { 929 u8 category; 930 union { 931 struct { 932 u8 action_code; 933 u8 dialog_token; 934 u8 status_code; 935 u8 variable[0]; 936 } __packed wme_action; 937 struct{ 938 u8 action_code; 939 u8 variable[0]; 940 } __packed chan_switch; 941 struct{ 942 u8 action_code; 943 struct ieee80211_ext_chansw_ie data; 944 u8 variable[0]; 945 } __packed ext_chan_switch; 946 struct{ 947 u8 action_code; 948 u8 dialog_token; 949 u8 element_id; 950 u8 length; 951 struct ieee80211_msrment_ie msr_elem; 952 } __packed measurement; 953 struct{ 954 u8 action_code; 955 u8 dialog_token; 956 __le16 capab; 957 __le16 timeout; 958 __le16 start_seq_num; 959 } __packed addba_req; 960 struct{ 961 u8 action_code; 962 u8 dialog_token; 963 __le16 status; 964 __le16 capab; 965 __le16 timeout; 966 } __packed addba_resp; 967 struct{ 968 u8 action_code; 969 __le16 params; 970 __le16 reason_code; 971 } __packed delba; 972 struct { 973 u8 action_code; 974 u8 variable[0]; 975 } __packed self_prot; 976 struct{ 977 u8 action_code; 978 u8 variable[0]; 979 } __packed mesh_action; 980 struct { 981 u8 action; 982 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN]; 983 } __packed sa_query; 984 struct { 985 u8 action; 986 u8 smps_control; 987 } __packed ht_smps; 988 struct { 989 u8 action_code; 990 u8 chanwidth; 991 } __packed ht_notify_cw; 992 struct { 993 u8 action_code; 994 u8 dialog_token; 995 __le16 capability; 996 u8 variable[0]; 997 } __packed tdls_discover_resp; 998 struct { 999 u8 action_code; 1000 u8 operating_mode; 1001 } __packed vht_opmode_notif; 1002 struct { 1003 u8 action_code; 1004 u8 membership[WLAN_MEMBERSHIP_LEN]; 1005 u8 position[WLAN_USER_POSITION_LEN]; 1006 } __packed vht_group_notif; 1007 struct { 1008 u8 action_code; 1009 u8 dialog_token; 1010 u8 tpc_elem_id; 1011 u8 tpc_elem_length; 1012 struct ieee80211_tpc_report_ie tpc; 1013 } __packed tpc_report; 1014 } u; 1015 } __packed action; 1016 } u; 1017 } __packed __aligned(2); 1018 1019 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */ 1020 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127 1021 1022 /* mgmt header + 1 byte category code */ 1023 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u) 1024 1025 1026 /* Management MIC information element (IEEE 802.11w) */ 1027 struct ieee80211_mmie { 1028 u8 element_id; 1029 u8 length; 1030 __le16 key_id; 1031 u8 sequence_number[6]; 1032 u8 mic[8]; 1033 } __packed; 1034 1035 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */ 1036 struct ieee80211_mmie_16 { 1037 u8 element_id; 1038 u8 length; 1039 __le16 key_id; 1040 u8 sequence_number[6]; 1041 u8 mic[16]; 1042 } __packed; 1043 1044 struct ieee80211_vendor_ie { 1045 u8 element_id; 1046 u8 len; 1047 u8 oui[3]; 1048 u8 oui_type; 1049 } __packed; 1050 1051 struct ieee80211_wmm_ac_param { 1052 u8 aci_aifsn; /* AIFSN, ACM, ACI */ 1053 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */ 1054 __le16 txop_limit; 1055 } __packed; 1056 1057 struct ieee80211_wmm_param_ie { 1058 u8 element_id; /* Element ID: 221 (0xdd); */ 1059 u8 len; /* Length: 24 */ 1060 /* required fields for WMM version 1 */ 1061 u8 oui[3]; /* 00:50:f2 */ 1062 u8 oui_type; /* 2 */ 1063 u8 oui_subtype; /* 1 */ 1064 u8 version; /* 1 for WMM version 1.0 */ 1065 u8 qos_info; /* AP/STA specific QoS info */ 1066 u8 reserved; /* 0 */ 1067 /* AC_BE, AC_BK, AC_VI, AC_VO */ 1068 struct ieee80211_wmm_ac_param ac[4]; 1069 } __packed; 1070 1071 /* Control frames */ 1072 struct ieee80211_rts { 1073 __le16 frame_control; 1074 __le16 duration; 1075 u8 ra[ETH_ALEN]; 1076 u8 ta[ETH_ALEN]; 1077 } __packed __aligned(2); 1078 1079 struct ieee80211_cts { 1080 __le16 frame_control; 1081 __le16 duration; 1082 u8 ra[ETH_ALEN]; 1083 } __packed __aligned(2); 1084 1085 struct ieee80211_pspoll { 1086 __le16 frame_control; 1087 __le16 aid; 1088 u8 bssid[ETH_ALEN]; 1089 u8 ta[ETH_ALEN]; 1090 } __packed __aligned(2); 1091 1092 /* TDLS */ 1093 1094 /* Channel switch timing */ 1095 struct ieee80211_ch_switch_timing { 1096 __le16 switch_time; 1097 __le16 switch_timeout; 1098 } __packed; 1099 1100 /* Link-id information element */ 1101 struct ieee80211_tdls_lnkie { 1102 u8 ie_type; /* Link Identifier IE */ 1103 u8 ie_len; 1104 u8 bssid[ETH_ALEN]; 1105 u8 init_sta[ETH_ALEN]; 1106 u8 resp_sta[ETH_ALEN]; 1107 } __packed; 1108 1109 struct ieee80211_tdls_data { 1110 u8 da[ETH_ALEN]; 1111 u8 sa[ETH_ALEN]; 1112 __be16 ether_type; 1113 u8 payload_type; 1114 u8 category; 1115 u8 action_code; 1116 union { 1117 struct { 1118 u8 dialog_token; 1119 __le16 capability; 1120 u8 variable[0]; 1121 } __packed setup_req; 1122 struct { 1123 __le16 status_code; 1124 u8 dialog_token; 1125 __le16 capability; 1126 u8 variable[0]; 1127 } __packed setup_resp; 1128 struct { 1129 __le16 status_code; 1130 u8 dialog_token; 1131 u8 variable[0]; 1132 } __packed setup_cfm; 1133 struct { 1134 __le16 reason_code; 1135 u8 variable[0]; 1136 } __packed teardown; 1137 struct { 1138 u8 dialog_token; 1139 u8 variable[0]; 1140 } __packed discover_req; 1141 struct { 1142 u8 target_channel; 1143 u8 oper_class; 1144 u8 variable[0]; 1145 } __packed chan_switch_req; 1146 struct { 1147 __le16 status_code; 1148 u8 variable[0]; 1149 } __packed chan_switch_resp; 1150 } u; 1151 } __packed; 1152 1153 /* 1154 * Peer-to-Peer IE attribute related definitions. 1155 */ 1156 /** 1157 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute. 1158 */ 1159 enum ieee80211_p2p_attr_id { 1160 IEEE80211_P2P_ATTR_STATUS = 0, 1161 IEEE80211_P2P_ATTR_MINOR_REASON, 1162 IEEE80211_P2P_ATTR_CAPABILITY, 1163 IEEE80211_P2P_ATTR_DEVICE_ID, 1164 IEEE80211_P2P_ATTR_GO_INTENT, 1165 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT, 1166 IEEE80211_P2P_ATTR_LISTEN_CHANNEL, 1167 IEEE80211_P2P_ATTR_GROUP_BSSID, 1168 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING, 1169 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR, 1170 IEEE80211_P2P_ATTR_MANAGABILITY, 1171 IEEE80211_P2P_ATTR_CHANNEL_LIST, 1172 IEEE80211_P2P_ATTR_ABSENCE_NOTICE, 1173 IEEE80211_P2P_ATTR_DEVICE_INFO, 1174 IEEE80211_P2P_ATTR_GROUP_INFO, 1175 IEEE80211_P2P_ATTR_GROUP_ID, 1176 IEEE80211_P2P_ATTR_INTERFACE, 1177 IEEE80211_P2P_ATTR_OPER_CHANNEL, 1178 IEEE80211_P2P_ATTR_INVITE_FLAGS, 1179 /* 19 - 220: Reserved */ 1180 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221, 1181 1182 IEEE80211_P2P_ATTR_MAX 1183 }; 1184 1185 /* Notice of Absence attribute - described in P2P spec 4.1.14 */ 1186 /* Typical max value used here */ 1187 #define IEEE80211_P2P_NOA_DESC_MAX 4 1188 1189 struct ieee80211_p2p_noa_desc { 1190 u8 count; 1191 __le32 duration; 1192 __le32 interval; 1193 __le32 start_time; 1194 } __packed; 1195 1196 struct ieee80211_p2p_noa_attr { 1197 u8 index; 1198 u8 oppps_ctwindow; 1199 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX]; 1200 } __packed; 1201 1202 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7) 1203 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F 1204 1205 /** 1206 * struct ieee80211_bar - HT Block Ack Request 1207 * 1208 * This structure refers to "HT BlockAckReq" as 1209 * described in 802.11n draft section 7.2.1.7.1 1210 */ 1211 struct ieee80211_bar { 1212 __le16 frame_control; 1213 __le16 duration; 1214 __u8 ra[ETH_ALEN]; 1215 __u8 ta[ETH_ALEN]; 1216 __le16 control; 1217 __le16 start_seq_num; 1218 } __packed; 1219 1220 /* 802.11 BAR control masks */ 1221 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000 1222 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002 1223 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004 1224 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000 1225 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12 1226 1227 #define IEEE80211_HT_MCS_MASK_LEN 10 1228 1229 /** 1230 * struct ieee80211_mcs_info - MCS information 1231 * @rx_mask: RX mask 1232 * @rx_highest: highest supported RX rate. If set represents 1233 * the highest supported RX data rate in units of 1 Mbps. 1234 * If this field is 0 this value should not be used to 1235 * consider the highest RX data rate supported. 1236 * @tx_params: TX parameters 1237 */ 1238 struct ieee80211_mcs_info { 1239 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN]; 1240 __le16 rx_highest; 1241 u8 tx_params; 1242 u8 reserved[3]; 1243 } __packed; 1244 1245 /* 802.11n HT capability MSC set */ 1246 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff 1247 #define IEEE80211_HT_MCS_TX_DEFINED 0x01 1248 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02 1249 /* value 0 == 1 stream etc */ 1250 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C 1251 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2 1252 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4 1253 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10 1254 1255 /* 1256 * 802.11n D5.0 20.3.5 / 20.6 says: 1257 * - indices 0 to 7 and 32 are single spatial stream 1258 * - 8 to 31 are multiple spatial streams using equal modulation 1259 * [8..15 for two streams, 16..23 for three and 24..31 for four] 1260 * - remainder are multiple spatial streams using unequal modulation 1261 */ 1262 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33 1263 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \ 1264 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8) 1265 1266 /** 1267 * struct ieee80211_ht_cap - HT capabilities 1268 * 1269 * This structure is the "HT capabilities element" as 1270 * described in 802.11n D5.0 7.3.2.57 1271 */ 1272 struct ieee80211_ht_cap { 1273 __le16 cap_info; 1274 u8 ampdu_params_info; 1275 1276 /* 16 bytes MCS information */ 1277 struct ieee80211_mcs_info mcs; 1278 1279 __le16 extended_ht_cap_info; 1280 __le32 tx_BF_cap_info; 1281 u8 antenna_selection_info; 1282 } __packed; 1283 1284 /* 802.11n HT capabilities masks (for cap_info) */ 1285 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001 1286 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002 1287 #define IEEE80211_HT_CAP_SM_PS 0x000C 1288 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2 1289 #define IEEE80211_HT_CAP_GRN_FLD 0x0010 1290 #define IEEE80211_HT_CAP_SGI_20 0x0020 1291 #define IEEE80211_HT_CAP_SGI_40 0x0040 1292 #define IEEE80211_HT_CAP_TX_STBC 0x0080 1293 #define IEEE80211_HT_CAP_RX_STBC 0x0300 1294 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8 1295 #define IEEE80211_HT_CAP_DELAY_BA 0x0400 1296 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800 1297 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000 1298 #define IEEE80211_HT_CAP_RESERVED 0x2000 1299 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000 1300 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000 1301 1302 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */ 1303 #define IEEE80211_HT_EXT_CAP_PCO 0x0001 1304 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006 1305 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1 1306 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300 1307 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8 1308 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400 1309 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800 1310 1311 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */ 1312 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03 1313 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C 1314 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2 1315 1316 /* 1317 * Maximum length of AMPDU that the STA can receive in high-throughput (HT). 1318 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1319 */ 1320 enum ieee80211_max_ampdu_length_exp { 1321 IEEE80211_HT_MAX_AMPDU_8K = 0, 1322 IEEE80211_HT_MAX_AMPDU_16K = 1, 1323 IEEE80211_HT_MAX_AMPDU_32K = 2, 1324 IEEE80211_HT_MAX_AMPDU_64K = 3 1325 }; 1326 1327 /* 1328 * Maximum length of AMPDU that the STA can receive in VHT. 1329 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 1330 */ 1331 enum ieee80211_vht_max_ampdu_length_exp { 1332 IEEE80211_VHT_MAX_AMPDU_8K = 0, 1333 IEEE80211_VHT_MAX_AMPDU_16K = 1, 1334 IEEE80211_VHT_MAX_AMPDU_32K = 2, 1335 IEEE80211_VHT_MAX_AMPDU_64K = 3, 1336 IEEE80211_VHT_MAX_AMPDU_128K = 4, 1337 IEEE80211_VHT_MAX_AMPDU_256K = 5, 1338 IEEE80211_VHT_MAX_AMPDU_512K = 6, 1339 IEEE80211_VHT_MAX_AMPDU_1024K = 7 1340 }; 1341 1342 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13 1343 1344 /* Minimum MPDU start spacing */ 1345 enum ieee80211_min_mpdu_spacing { 1346 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */ 1347 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */ 1348 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */ 1349 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */ 1350 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */ 1351 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */ 1352 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */ 1353 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */ 1354 }; 1355 1356 /** 1357 * struct ieee80211_ht_operation - HT operation IE 1358 * 1359 * This structure is the "HT operation element" as 1360 * described in 802.11n-2009 7.3.2.57 1361 */ 1362 struct ieee80211_ht_operation { 1363 u8 primary_chan; 1364 u8 ht_param; 1365 __le16 operation_mode; 1366 __le16 stbc_param; 1367 u8 basic_set[16]; 1368 } __packed; 1369 1370 /* for ht_param */ 1371 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03 1372 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00 1373 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01 1374 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03 1375 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04 1376 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08 1377 1378 /* for operation_mode */ 1379 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003 1380 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0 1381 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1 1382 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2 1383 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3 1384 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004 1385 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010 1386 1387 /* for stbc_param */ 1388 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040 1389 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080 1390 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100 1391 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200 1392 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400 1393 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800 1394 1395 1396 /* block-ack parameters */ 1397 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001 1398 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002 1399 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C 1400 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0 1401 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000 1402 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800 1403 1404 /* 1405 * A-PMDU buffer sizes 1406 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) 1407 */ 1408 #define IEEE80211_MIN_AMPDU_BUF 0x8 1409 #define IEEE80211_MAX_AMPDU_BUF 0x40 1410 1411 1412 /* Spatial Multiplexing Power Save Modes (for capability) */ 1413 #define WLAN_HT_CAP_SM_PS_STATIC 0 1414 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1 1415 #define WLAN_HT_CAP_SM_PS_INVALID 2 1416 #define WLAN_HT_CAP_SM_PS_DISABLED 3 1417 1418 /* for SM power control field lower two bits */ 1419 #define WLAN_HT_SMPS_CONTROL_DISABLED 0 1420 #define WLAN_HT_SMPS_CONTROL_STATIC 1 1421 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3 1422 1423 /** 1424 * struct ieee80211_vht_mcs_info - VHT MCS information 1425 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams 1426 * @rx_highest: Indicates highest long GI VHT PPDU data rate 1427 * STA can receive. Rate expressed in units of 1 Mbps. 1428 * If this field is 0 this value should not be used to 1429 * consider the highest RX data rate supported. 1430 * The top 3 bits of this field are reserved. 1431 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams 1432 * @tx_highest: Indicates highest long GI VHT PPDU data rate 1433 * STA can transmit. Rate expressed in units of 1 Mbps. 1434 * If this field is 0 this value should not be used to 1435 * consider the highest TX data rate supported. 1436 * The top 3 bits of this field are reserved. 1437 */ 1438 struct ieee80211_vht_mcs_info { 1439 __le16 rx_mcs_map; 1440 __le16 rx_highest; 1441 __le16 tx_mcs_map; 1442 __le16 tx_highest; 1443 } __packed; 1444 1445 /** 1446 * enum ieee80211_vht_mcs_support - VHT MCS support definitions 1447 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the 1448 * number of streams 1449 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported 1450 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported 1451 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported 1452 * 1453 * These definitions are used in each 2-bit subfield of the @rx_mcs_map 1454 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are 1455 * both split into 8 subfields by number of streams. These values indicate 1456 * which MCSes are supported for the number of streams the value appears 1457 * for. 1458 */ 1459 enum ieee80211_vht_mcs_support { 1460 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0, 1461 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1, 1462 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2, 1463 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3, 1464 }; 1465 1466 /** 1467 * struct ieee80211_vht_cap - VHT capabilities 1468 * 1469 * This structure is the "VHT capabilities element" as 1470 * described in 802.11ac D3.0 8.4.2.160 1471 * @vht_cap_info: VHT capability info 1472 * @supp_mcs: VHT MCS supported rates 1473 */ 1474 struct ieee80211_vht_cap { 1475 __le32 vht_cap_info; 1476 struct ieee80211_vht_mcs_info supp_mcs; 1477 } __packed; 1478 1479 /** 1480 * enum ieee80211_vht_chanwidth - VHT channel width 1481 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to 1482 * determine the channel width (20 or 40 MHz) 1483 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth 1484 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth 1485 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth 1486 */ 1487 enum ieee80211_vht_chanwidth { 1488 IEEE80211_VHT_CHANWIDTH_USE_HT = 0, 1489 IEEE80211_VHT_CHANWIDTH_80MHZ = 1, 1490 IEEE80211_VHT_CHANWIDTH_160MHZ = 2, 1491 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3, 1492 }; 1493 1494 /** 1495 * struct ieee80211_vht_operation - VHT operation IE 1496 * 1497 * This structure is the "VHT operation element" as 1498 * described in 802.11ac D3.0 8.4.2.161 1499 * @chan_width: Operating channel width 1500 * @center_freq_seg1_idx: center freq segment 1 index 1501 * @center_freq_seg2_idx: center freq segment 2 index 1502 * @basic_mcs_set: VHT Basic MCS rate set 1503 */ 1504 struct ieee80211_vht_operation { 1505 u8 chan_width; 1506 u8 center_freq_seg1_idx; 1507 u8 center_freq_seg2_idx; 1508 __le16 basic_mcs_set; 1509 } __packed; 1510 1511 1512 /* 802.11ac VHT Capabilities */ 1513 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000 1514 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001 1515 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002 1516 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003 1517 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004 1518 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008 1519 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 1520 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010 1521 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020 1522 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040 1523 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080 1524 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100 1525 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200 1526 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300 1527 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400 1528 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 1529 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 1530 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 1531 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 1532 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ 1533 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) 1534 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 1535 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ 1536 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) 1537 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 1538 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 1539 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 1540 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000 1541 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 1542 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 1543 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 1544 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 1545 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 1546 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000 1547 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000 1548 1549 /* Authentication algorithms */ 1550 #define WLAN_AUTH_OPEN 0 1551 #define WLAN_AUTH_SHARED_KEY 1 1552 #define WLAN_AUTH_FT 2 1553 #define WLAN_AUTH_SAE 3 1554 #define WLAN_AUTH_LEAP 128 1555 1556 #define WLAN_AUTH_CHALLENGE_LEN 128 1557 1558 #define WLAN_CAPABILITY_ESS (1<<0) 1559 #define WLAN_CAPABILITY_IBSS (1<<1) 1560 1561 /* 1562 * A mesh STA sets the ESS and IBSS capability bits to zero. 1563 * however, this holds true for p2p probe responses (in the p2p_find 1564 * phase) as well. 1565 */ 1566 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \ 1567 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS))) 1568 1569 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2) 1570 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) 1571 #define WLAN_CAPABILITY_PRIVACY (1<<4) 1572 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) 1573 #define WLAN_CAPABILITY_PBCC (1<<6) 1574 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) 1575 1576 /* 802.11h */ 1577 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8) 1578 #define WLAN_CAPABILITY_QOS (1<<9) 1579 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10) 1580 #define WLAN_CAPABILITY_APSD (1<<11) 1581 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12) 1582 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13) 1583 #define WLAN_CAPABILITY_DEL_BACK (1<<14) 1584 #define WLAN_CAPABILITY_IMM_BACK (1<<15) 1585 1586 /* DMG (60gHz) 802.11ad */ 1587 /* type - bits 0..1 */ 1588 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0) 1589 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */ 1590 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */ 1591 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */ 1592 1593 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2) 1594 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3) 1595 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4) 1596 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5) 1597 1598 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8) 1599 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12) 1600 1601 /* measurement */ 1602 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0) 1603 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1) 1604 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2) 1605 1606 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0 1607 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1 1608 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2 1609 1610 /* 802.11g ERP information element */ 1611 #define WLAN_ERP_NON_ERP_PRESENT (1<<0) 1612 #define WLAN_ERP_USE_PROTECTION (1<<1) 1613 #define WLAN_ERP_BARKER_PREAMBLE (1<<2) 1614 1615 /* WLAN_ERP_BARKER_PREAMBLE values */ 1616 enum { 1617 WLAN_ERP_PREAMBLE_SHORT = 0, 1618 WLAN_ERP_PREAMBLE_LONG = 1, 1619 }; 1620 1621 /* Band ID, 802.11ad #8.4.1.45 */ 1622 enum { 1623 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */ 1624 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */ 1625 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */ 1626 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */ 1627 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */ 1628 IEEE80211_BANDID_60G = 5, /* 60 GHz */ 1629 }; 1630 1631 /* Status codes */ 1632 enum ieee80211_statuscode { 1633 WLAN_STATUS_SUCCESS = 0, 1634 WLAN_STATUS_UNSPECIFIED_FAILURE = 1, 1635 WLAN_STATUS_CAPS_UNSUPPORTED = 10, 1636 WLAN_STATUS_REASSOC_NO_ASSOC = 11, 1637 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12, 1638 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13, 1639 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14, 1640 WLAN_STATUS_CHALLENGE_FAIL = 15, 1641 WLAN_STATUS_AUTH_TIMEOUT = 16, 1642 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17, 1643 WLAN_STATUS_ASSOC_DENIED_RATES = 18, 1644 /* 802.11b */ 1645 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19, 1646 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20, 1647 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21, 1648 /* 802.11h */ 1649 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22, 1650 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23, 1651 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24, 1652 /* 802.11g */ 1653 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25, 1654 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26, 1655 /* 802.11w */ 1656 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30, 1657 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31, 1658 /* 802.11i */ 1659 WLAN_STATUS_INVALID_IE = 40, 1660 WLAN_STATUS_INVALID_GROUP_CIPHER = 41, 1661 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42, 1662 WLAN_STATUS_INVALID_AKMP = 43, 1663 WLAN_STATUS_UNSUPP_RSN_VERSION = 44, 1664 WLAN_STATUS_INVALID_RSN_IE_CAP = 45, 1665 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46, 1666 /* 802.11e */ 1667 WLAN_STATUS_UNSPECIFIED_QOS = 32, 1668 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33, 1669 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34, 1670 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35, 1671 WLAN_STATUS_REQUEST_DECLINED = 37, 1672 WLAN_STATUS_INVALID_QOS_PARAM = 38, 1673 WLAN_STATUS_CHANGE_TSPEC = 39, 1674 WLAN_STATUS_WAIT_TS_DELAY = 47, 1675 WLAN_STATUS_NO_DIRECT_LINK = 48, 1676 WLAN_STATUS_STA_NOT_PRESENT = 49, 1677 WLAN_STATUS_STA_NOT_QSTA = 50, 1678 /* 802.11s */ 1679 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76, 1680 WLAN_STATUS_FCG_NOT_SUPP = 78, 1681 WLAN_STATUS_STA_NO_TBTT = 78, 1682 /* 802.11ad */ 1683 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39, 1684 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47, 1685 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83, 1686 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86, 1687 WLAN_STATUS_PERFORMING_FST_NOW = 87, 1688 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88, 1689 WLAN_STATUS_REJECT_U_PID_SETTING = 89, 1690 WLAN_STATUS_REJECT_DSE_BAND = 96, 1691 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99, 1692 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103, 1693 }; 1694 1695 1696 /* Reason codes */ 1697 enum ieee80211_reasoncode { 1698 WLAN_REASON_UNSPECIFIED = 1, 1699 WLAN_REASON_PREV_AUTH_NOT_VALID = 2, 1700 WLAN_REASON_DEAUTH_LEAVING = 3, 1701 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4, 1702 WLAN_REASON_DISASSOC_AP_BUSY = 5, 1703 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6, 1704 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7, 1705 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8, 1706 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9, 1707 /* 802.11h */ 1708 WLAN_REASON_DISASSOC_BAD_POWER = 10, 1709 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11, 1710 /* 802.11i */ 1711 WLAN_REASON_INVALID_IE = 13, 1712 WLAN_REASON_MIC_FAILURE = 14, 1713 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, 1714 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16, 1715 WLAN_REASON_IE_DIFFERENT = 17, 1716 WLAN_REASON_INVALID_GROUP_CIPHER = 18, 1717 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19, 1718 WLAN_REASON_INVALID_AKMP = 20, 1719 WLAN_REASON_UNSUPP_RSN_VERSION = 21, 1720 WLAN_REASON_INVALID_RSN_IE_CAP = 22, 1721 WLAN_REASON_IEEE8021X_FAILED = 23, 1722 WLAN_REASON_CIPHER_SUITE_REJECTED = 24, 1723 /* TDLS (802.11z) */ 1724 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25, 1725 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26, 1726 /* 802.11e */ 1727 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32, 1728 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33, 1729 WLAN_REASON_DISASSOC_LOW_ACK = 34, 1730 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35, 1731 WLAN_REASON_QSTA_LEAVE_QBSS = 36, 1732 WLAN_REASON_QSTA_NOT_USE = 37, 1733 WLAN_REASON_QSTA_REQUIRE_SETUP = 38, 1734 WLAN_REASON_QSTA_TIMEOUT = 39, 1735 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45, 1736 /* 802.11s */ 1737 WLAN_REASON_MESH_PEER_CANCELED = 52, 1738 WLAN_REASON_MESH_MAX_PEERS = 53, 1739 WLAN_REASON_MESH_CONFIG = 54, 1740 WLAN_REASON_MESH_CLOSE = 55, 1741 WLAN_REASON_MESH_MAX_RETRIES = 56, 1742 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57, 1743 WLAN_REASON_MESH_INVALID_GTK = 58, 1744 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59, 1745 WLAN_REASON_MESH_INVALID_SECURITY = 60, 1746 WLAN_REASON_MESH_PATH_ERROR = 61, 1747 WLAN_REASON_MESH_PATH_NOFORWARD = 62, 1748 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63, 1749 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64, 1750 WLAN_REASON_MESH_CHAN_REGULATORY = 65, 1751 WLAN_REASON_MESH_CHAN = 66, 1752 }; 1753 1754 1755 /* Information Element IDs */ 1756 enum ieee80211_eid { 1757 WLAN_EID_SSID = 0, 1758 WLAN_EID_SUPP_RATES = 1, 1759 WLAN_EID_FH_PARAMS = 2, /* reserved now */ 1760 WLAN_EID_DS_PARAMS = 3, 1761 WLAN_EID_CF_PARAMS = 4, 1762 WLAN_EID_TIM = 5, 1763 WLAN_EID_IBSS_PARAMS = 6, 1764 WLAN_EID_COUNTRY = 7, 1765 /* 8, 9 reserved */ 1766 WLAN_EID_REQUEST = 10, 1767 WLAN_EID_QBSS_LOAD = 11, 1768 WLAN_EID_EDCA_PARAM_SET = 12, 1769 WLAN_EID_TSPEC = 13, 1770 WLAN_EID_TCLAS = 14, 1771 WLAN_EID_SCHEDULE = 15, 1772 WLAN_EID_CHALLENGE = 16, 1773 /* 17-31 reserved for challenge text extension */ 1774 WLAN_EID_PWR_CONSTRAINT = 32, 1775 WLAN_EID_PWR_CAPABILITY = 33, 1776 WLAN_EID_TPC_REQUEST = 34, 1777 WLAN_EID_TPC_REPORT = 35, 1778 WLAN_EID_SUPPORTED_CHANNELS = 36, 1779 WLAN_EID_CHANNEL_SWITCH = 37, 1780 WLAN_EID_MEASURE_REQUEST = 38, 1781 WLAN_EID_MEASURE_REPORT = 39, 1782 WLAN_EID_QUIET = 40, 1783 WLAN_EID_IBSS_DFS = 41, 1784 WLAN_EID_ERP_INFO = 42, 1785 WLAN_EID_TS_DELAY = 43, 1786 WLAN_EID_TCLAS_PROCESSING = 44, 1787 WLAN_EID_HT_CAPABILITY = 45, 1788 WLAN_EID_QOS_CAPA = 46, 1789 /* 47 reserved for Broadcom */ 1790 WLAN_EID_RSN = 48, 1791 WLAN_EID_802_15_COEX = 49, 1792 WLAN_EID_EXT_SUPP_RATES = 50, 1793 WLAN_EID_AP_CHAN_REPORT = 51, 1794 WLAN_EID_NEIGHBOR_REPORT = 52, 1795 WLAN_EID_RCPI = 53, 1796 WLAN_EID_MOBILITY_DOMAIN = 54, 1797 WLAN_EID_FAST_BSS_TRANSITION = 55, 1798 WLAN_EID_TIMEOUT_INTERVAL = 56, 1799 WLAN_EID_RIC_DATA = 57, 1800 WLAN_EID_DSE_REGISTERED_LOCATION = 58, 1801 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59, 1802 WLAN_EID_EXT_CHANSWITCH_ANN = 60, 1803 WLAN_EID_HT_OPERATION = 61, 1804 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62, 1805 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63, 1806 WLAN_EID_ANTENNA_INFO = 64, 1807 WLAN_EID_RSNI = 65, 1808 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66, 1809 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67, 1810 WLAN_EID_BSS_AC_ACCESS_DELAY = 68, 1811 WLAN_EID_TIME_ADVERTISEMENT = 69, 1812 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70, 1813 WLAN_EID_MULTIPLE_BSSID = 71, 1814 WLAN_EID_BSS_COEX_2040 = 72, 1815 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73, 1816 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74, 1817 WLAN_EID_RIC_DESCRIPTOR = 75, 1818 WLAN_EID_MMIE = 76, 1819 WLAN_EID_ASSOC_COMEBACK_TIME = 77, 1820 WLAN_EID_EVENT_REQUEST = 78, 1821 WLAN_EID_EVENT_REPORT = 79, 1822 WLAN_EID_DIAGNOSTIC_REQUEST = 80, 1823 WLAN_EID_DIAGNOSTIC_REPORT = 81, 1824 WLAN_EID_LOCATION_PARAMS = 82, 1825 WLAN_EID_NON_TX_BSSID_CAP = 83, 1826 WLAN_EID_SSID_LIST = 84, 1827 WLAN_EID_MULTI_BSSID_IDX = 85, 1828 WLAN_EID_FMS_DESCRIPTOR = 86, 1829 WLAN_EID_FMS_REQUEST = 87, 1830 WLAN_EID_FMS_RESPONSE = 88, 1831 WLAN_EID_QOS_TRAFFIC_CAPA = 89, 1832 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90, 1833 WLAN_EID_TSF_REQUEST = 91, 1834 WLAN_EID_TSF_RESPOSNE = 92, 1835 WLAN_EID_WNM_SLEEP_MODE = 93, 1836 WLAN_EID_TIM_BCAST_REQ = 94, 1837 WLAN_EID_TIM_BCAST_RESP = 95, 1838 WLAN_EID_COLL_IF_REPORT = 96, 1839 WLAN_EID_CHANNEL_USAGE = 97, 1840 WLAN_EID_TIME_ZONE = 98, 1841 WLAN_EID_DMS_REQUEST = 99, 1842 WLAN_EID_DMS_RESPONSE = 100, 1843 WLAN_EID_LINK_ID = 101, 1844 WLAN_EID_WAKEUP_SCHEDUL = 102, 1845 /* 103 reserved */ 1846 WLAN_EID_CHAN_SWITCH_TIMING = 104, 1847 WLAN_EID_PTI_CONTROL = 105, 1848 WLAN_EID_PU_BUFFER_STATUS = 106, 1849 WLAN_EID_INTERWORKING = 107, 1850 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108, 1851 WLAN_EID_EXPEDITED_BW_REQ = 109, 1852 WLAN_EID_QOS_MAP_SET = 110, 1853 WLAN_EID_ROAMING_CONSORTIUM = 111, 1854 WLAN_EID_EMERGENCY_ALERT = 112, 1855 WLAN_EID_MESH_CONFIG = 113, 1856 WLAN_EID_MESH_ID = 114, 1857 WLAN_EID_LINK_METRIC_REPORT = 115, 1858 WLAN_EID_CONGESTION_NOTIFICATION = 116, 1859 WLAN_EID_PEER_MGMT = 117, 1860 WLAN_EID_CHAN_SWITCH_PARAM = 118, 1861 WLAN_EID_MESH_AWAKE_WINDOW = 119, 1862 WLAN_EID_BEACON_TIMING = 120, 1863 WLAN_EID_MCCAOP_SETUP_REQ = 121, 1864 WLAN_EID_MCCAOP_SETUP_RESP = 122, 1865 WLAN_EID_MCCAOP_ADVERT = 123, 1866 WLAN_EID_MCCAOP_TEARDOWN = 124, 1867 WLAN_EID_GANN = 125, 1868 WLAN_EID_RANN = 126, 1869 WLAN_EID_EXT_CAPABILITY = 127, 1870 /* 128, 129 reserved for Agere */ 1871 WLAN_EID_PREQ = 130, 1872 WLAN_EID_PREP = 131, 1873 WLAN_EID_PERR = 132, 1874 /* 133-136 reserved for Cisco */ 1875 WLAN_EID_PXU = 137, 1876 WLAN_EID_PXUC = 138, 1877 WLAN_EID_AUTH_MESH_PEER_EXCH = 139, 1878 WLAN_EID_MIC = 140, 1879 WLAN_EID_DESTINATION_URI = 141, 1880 WLAN_EID_UAPSD_COEX = 142, 1881 WLAN_EID_WAKEUP_SCHEDULE = 143, 1882 WLAN_EID_EXT_SCHEDULE = 144, 1883 WLAN_EID_STA_AVAILABILITY = 145, 1884 WLAN_EID_DMG_TSPEC = 146, 1885 WLAN_EID_DMG_AT = 147, 1886 WLAN_EID_DMG_CAP = 148, 1887 /* 149 reserved for Cisco */ 1888 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150, 1889 WLAN_EID_DMG_OPERATION = 151, 1890 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152, 1891 WLAN_EID_DMG_BEAM_REFINEMENT = 153, 1892 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154, 1893 /* 155-156 reserved for Cisco */ 1894 WLAN_EID_AWAKE_WINDOW = 157, 1895 WLAN_EID_MULTI_BAND = 158, 1896 WLAN_EID_ADDBA_EXT = 159, 1897 WLAN_EID_NEXT_PCP_LIST = 160, 1898 WLAN_EID_PCP_HANDOVER = 161, 1899 WLAN_EID_DMG_LINK_MARGIN = 162, 1900 WLAN_EID_SWITCHING_STREAM = 163, 1901 WLAN_EID_SESSION_TRANSITION = 164, 1902 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165, 1903 WLAN_EID_CLUSTER_REPORT = 166, 1904 WLAN_EID_RELAY_CAP = 167, 1905 WLAN_EID_RELAY_XFER_PARAM_SET = 168, 1906 WLAN_EID_BEAM_LINK_MAINT = 169, 1907 WLAN_EID_MULTIPLE_MAC_ADDR = 170, 1908 WLAN_EID_U_PID = 171, 1909 WLAN_EID_DMG_LINK_ADAPT_ACK = 172, 1910 /* 173 reserved for Symbol */ 1911 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174, 1912 WLAN_EID_QUIET_PERIOD_REQ = 175, 1913 /* 176 reserved for Symbol */ 1914 WLAN_EID_QUIET_PERIOD_RESP = 177, 1915 /* 178-179 reserved for Symbol */ 1916 /* 180 reserved for ISO/IEC 20011 */ 1917 WLAN_EID_EPAC_POLICY = 182, 1918 WLAN_EID_CLISTER_TIME_OFF = 183, 1919 WLAN_EID_INTER_AC_PRIO = 184, 1920 WLAN_EID_SCS_DESCRIPTOR = 185, 1921 WLAN_EID_QLOAD_REPORT = 186, 1922 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187, 1923 WLAN_EID_HL_STREAM_ID = 188, 1924 WLAN_EID_GCR_GROUP_ADDR = 189, 1925 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190, 1926 WLAN_EID_VHT_CAPABILITY = 191, 1927 WLAN_EID_VHT_OPERATION = 192, 1928 WLAN_EID_EXTENDED_BSS_LOAD = 193, 1929 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, 1930 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, 1931 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, 1932 WLAN_EID_AID = 197, 1933 WLAN_EID_QUIET_CHANNEL = 198, 1934 WLAN_EID_OPMODE_NOTIF = 199, 1935 1936 WLAN_EID_VENDOR_SPECIFIC = 221, 1937 WLAN_EID_QOS_PARAMETER = 222, 1938 }; 1939 1940 /* Action category code */ 1941 enum ieee80211_category { 1942 WLAN_CATEGORY_SPECTRUM_MGMT = 0, 1943 WLAN_CATEGORY_QOS = 1, 1944 WLAN_CATEGORY_DLS = 2, 1945 WLAN_CATEGORY_BACK = 3, 1946 WLAN_CATEGORY_PUBLIC = 4, 1947 WLAN_CATEGORY_RADIO_MEASUREMENT = 5, 1948 WLAN_CATEGORY_HT = 7, 1949 WLAN_CATEGORY_SA_QUERY = 8, 1950 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, 1951 WLAN_CATEGORY_WNM = 10, 1952 WLAN_CATEGORY_WNM_UNPROTECTED = 11, 1953 WLAN_CATEGORY_TDLS = 12, 1954 WLAN_CATEGORY_MESH_ACTION = 13, 1955 WLAN_CATEGORY_MULTIHOP_ACTION = 14, 1956 WLAN_CATEGORY_SELF_PROTECTED = 15, 1957 WLAN_CATEGORY_DMG = 16, 1958 WLAN_CATEGORY_WMM = 17, 1959 WLAN_CATEGORY_FST = 18, 1960 WLAN_CATEGORY_UNPROT_DMG = 20, 1961 WLAN_CATEGORY_VHT = 21, 1962 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, 1963 WLAN_CATEGORY_VENDOR_SPECIFIC = 127, 1964 }; 1965 1966 /* SPECTRUM_MGMT action code */ 1967 enum ieee80211_spectrum_mgmt_actioncode { 1968 WLAN_ACTION_SPCT_MSR_REQ = 0, 1969 WLAN_ACTION_SPCT_MSR_RPRT = 1, 1970 WLAN_ACTION_SPCT_TPC_REQ = 2, 1971 WLAN_ACTION_SPCT_TPC_RPRT = 3, 1972 WLAN_ACTION_SPCT_CHL_SWITCH = 4, 1973 }; 1974 1975 /* HT action codes */ 1976 enum ieee80211_ht_actioncode { 1977 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0, 1978 WLAN_HT_ACTION_SMPS = 1, 1979 WLAN_HT_ACTION_PSMP = 2, 1980 WLAN_HT_ACTION_PCO_PHASE = 3, 1981 WLAN_HT_ACTION_CSI = 4, 1982 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5, 1983 WLAN_HT_ACTION_COMPRESSED_BF = 6, 1984 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7, 1985 }; 1986 1987 /* VHT action codes */ 1988 enum ieee80211_vht_actioncode { 1989 WLAN_VHT_ACTION_COMPRESSED_BF = 0, 1990 WLAN_VHT_ACTION_GROUPID_MGMT = 1, 1991 WLAN_VHT_ACTION_OPMODE_NOTIF = 2, 1992 }; 1993 1994 /* Self Protected Action codes */ 1995 enum ieee80211_self_protected_actioncode { 1996 WLAN_SP_RESERVED = 0, 1997 WLAN_SP_MESH_PEERING_OPEN = 1, 1998 WLAN_SP_MESH_PEERING_CONFIRM = 2, 1999 WLAN_SP_MESH_PEERING_CLOSE = 3, 2000 WLAN_SP_MGK_INFORM = 4, 2001 WLAN_SP_MGK_ACK = 5, 2002 }; 2003 2004 /* Mesh action codes */ 2005 enum ieee80211_mesh_actioncode { 2006 WLAN_MESH_ACTION_LINK_METRIC_REPORT, 2007 WLAN_MESH_ACTION_HWMP_PATH_SELECTION, 2008 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT, 2009 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION, 2010 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST, 2011 WLAN_MESH_ACTION_MCCA_SETUP_REPLY, 2012 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST, 2013 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT, 2014 WLAN_MESH_ACTION_MCCA_TEARDOWN, 2015 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST, 2016 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE, 2017 }; 2018 2019 /* Security key length */ 2020 enum ieee80211_key_len { 2021 WLAN_KEY_LEN_WEP40 = 5, 2022 WLAN_KEY_LEN_WEP104 = 13, 2023 WLAN_KEY_LEN_CCMP = 16, 2024 WLAN_KEY_LEN_CCMP_256 = 32, 2025 WLAN_KEY_LEN_TKIP = 32, 2026 WLAN_KEY_LEN_AES_CMAC = 16, 2027 WLAN_KEY_LEN_SMS4 = 32, 2028 WLAN_KEY_LEN_GCMP = 16, 2029 WLAN_KEY_LEN_GCMP_256 = 32, 2030 WLAN_KEY_LEN_BIP_CMAC_256 = 32, 2031 WLAN_KEY_LEN_BIP_GMAC_128 = 16, 2032 WLAN_KEY_LEN_BIP_GMAC_256 = 32, 2033 }; 2034 2035 #define IEEE80211_WEP_IV_LEN 4 2036 #define IEEE80211_WEP_ICV_LEN 4 2037 #define IEEE80211_CCMP_HDR_LEN 8 2038 #define IEEE80211_CCMP_MIC_LEN 8 2039 #define IEEE80211_CCMP_PN_LEN 6 2040 #define IEEE80211_CCMP_256_HDR_LEN 8 2041 #define IEEE80211_CCMP_256_MIC_LEN 16 2042 #define IEEE80211_CCMP_256_PN_LEN 6 2043 #define IEEE80211_TKIP_IV_LEN 8 2044 #define IEEE80211_TKIP_ICV_LEN 4 2045 #define IEEE80211_CMAC_PN_LEN 6 2046 #define IEEE80211_GMAC_PN_LEN 6 2047 #define IEEE80211_GCMP_HDR_LEN 8 2048 #define IEEE80211_GCMP_MIC_LEN 16 2049 #define IEEE80211_GCMP_PN_LEN 6 2050 2051 /* Public action codes */ 2052 enum ieee80211_pub_actioncode { 2053 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4, 2054 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14, 2055 }; 2056 2057 /* TDLS action codes */ 2058 enum ieee80211_tdls_actioncode { 2059 WLAN_TDLS_SETUP_REQUEST = 0, 2060 WLAN_TDLS_SETUP_RESPONSE = 1, 2061 WLAN_TDLS_SETUP_CONFIRM = 2, 2062 WLAN_TDLS_TEARDOWN = 3, 2063 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4, 2064 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5, 2065 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6, 2066 WLAN_TDLS_PEER_PSM_REQUEST = 7, 2067 WLAN_TDLS_PEER_PSM_RESPONSE = 8, 2068 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9, 2069 WLAN_TDLS_DISCOVERY_REQUEST = 10, 2070 }; 2071 2072 /* Extended Channel Switching capability to be set in the 1st byte of 2073 * the @WLAN_EID_EXT_CAPABILITY information element 2074 */ 2075 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2) 2076 2077 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */ 2078 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) 2079 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) 2080 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6) 2081 2082 /* Interworking capabilities are set in 7th bit of 4th byte of the 2083 * @WLAN_EID_EXT_CAPABILITY information element 2084 */ 2085 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7) 2086 2087 /* 2088 * TDLS capabililites to be enabled in the 5th byte of the 2089 * @WLAN_EID_EXT_CAPABILITY information element 2090 */ 2091 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5) 2092 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) 2093 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7) 2094 2095 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5) 2096 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) 2097 2098 /* Defines the maximal number of MSDUs in an A-MSDU. */ 2099 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7) 2100 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0) 2101 2102 /* 2103 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY 2104 * information element 2105 */ 2106 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7) 2107 2108 /* TDLS specific payload type in the LLC/SNAP header */ 2109 #define WLAN_TDLS_SNAP_RFTYPE 0x2 2110 2111 /* BSS Coex IE information field bits */ 2112 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0) 2113 2114 /** 2115 * enum - mesh synchronization method identifier 2116 * 2117 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method 2118 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method 2119 * that will be specified in a vendor specific information element 2120 */ 2121 enum { 2122 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1, 2123 IEEE80211_SYNC_METHOD_VENDOR = 255, 2124 }; 2125 2126 /** 2127 * enum - mesh path selection protocol identifier 2128 * 2129 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol 2130 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will 2131 * be specified in a vendor specific information element 2132 */ 2133 enum { 2134 IEEE80211_PATH_PROTOCOL_HWMP = 1, 2135 IEEE80211_PATH_PROTOCOL_VENDOR = 255, 2136 }; 2137 2138 /** 2139 * enum - mesh path selection metric identifier 2140 * 2141 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric 2142 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be 2143 * specified in a vendor specific information element 2144 */ 2145 enum { 2146 IEEE80211_PATH_METRIC_AIRTIME = 1, 2147 IEEE80211_PATH_METRIC_VENDOR = 255, 2148 }; 2149 2150 /** 2151 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier 2152 * 2153 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode 2154 * 2155 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default) 2156 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than 2157 * this value 2158 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports 2159 * the proactive PREQ with proactive PREP subfield set to 0 2160 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA 2161 * supports the proactive PREQ with proactive PREP subfield set to 1 2162 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports 2163 * the proactive RANN 2164 */ 2165 enum ieee80211_root_mode_identifier { 2166 IEEE80211_ROOTMODE_NO_ROOT = 0, 2167 IEEE80211_ROOTMODE_ROOT = 1, 2168 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2, 2169 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3, 2170 IEEE80211_PROACTIVE_RANN = 4, 2171 }; 2172 2173 /* 2174 * IEEE 802.11-2007 7.3.2.9 Country information element 2175 * 2176 * Minimum length is 8 octets, ie len must be evenly 2177 * divisible by 2 2178 */ 2179 2180 /* Although the spec says 8 I'm seeing 6 in practice */ 2181 #define IEEE80211_COUNTRY_IE_MIN_LEN 6 2182 2183 /* The Country String field of the element shall be 3 octets in length */ 2184 #define IEEE80211_COUNTRY_STRING_LEN 3 2185 2186 /* 2187 * For regulatory extension stuff see IEEE 802.11-2007 2188 * Annex I (page 1141) and Annex J (page 1147). Also 2189 * review 7.3.2.9. 2190 * 2191 * When dot11RegulatoryClassesRequired is true and the 2192 * first_channel/reg_extension_id is >= 201 then the IE 2193 * compromises of the 'ext' struct represented below: 2194 * 2195 * - Regulatory extension ID - when generating IE this just needs 2196 * to be monotonically increasing for each triplet passed in 2197 * the IE 2198 * - Regulatory class - index into set of rules 2199 * - Coverage class - index into air propagation time (Table 7-27), 2200 * in microseconds, you can compute the air propagation time from 2201 * the index by multiplying by 3, so index 10 yields a propagation 2202 * of 10 us. Valid values are 0-31, values 32-255 are not defined 2203 * yet. A value of 0 inicates air propagation of <= 1 us. 2204 * 2205 * See also Table I.2 for Emission limit sets and table 2206 * I.3 for Behavior limit sets. Table J.1 indicates how to map 2207 * a reg_class to an emission limit set and behavior limit set. 2208 */ 2209 #define IEEE80211_COUNTRY_EXTENSION_ID 201 2210 2211 /* 2212 * Channels numbers in the IE must be monotonically increasing 2213 * if dot11RegulatoryClassesRequired is not true. 2214 * 2215 * If dot11RegulatoryClassesRequired is true consecutive 2216 * subband triplets following a regulatory triplet shall 2217 * have monotonically increasing first_channel number fields. 2218 * 2219 * Channel numbers shall not overlap. 2220 * 2221 * Note that max_power is signed. 2222 */ 2223 struct ieee80211_country_ie_triplet { 2224 union { 2225 struct { 2226 u8 first_channel; 2227 u8 num_channels; 2228 s8 max_power; 2229 } __packed chans; 2230 struct { 2231 u8 reg_extension_id; 2232 u8 reg_class; 2233 u8 coverage_class; 2234 } __packed ext; 2235 }; 2236 } __packed; 2237 2238 enum ieee80211_timeout_interval_type { 2239 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */, 2240 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */, 2241 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */, 2242 }; 2243 2244 /** 2245 * struct ieee80211_timeout_interval_ie - Timeout Interval element 2246 * @type: type, see &enum ieee80211_timeout_interval_type 2247 * @value: timeout interval value 2248 */ 2249 struct ieee80211_timeout_interval_ie { 2250 u8 type; 2251 __le32 value; 2252 } __packed; 2253 2254 /* BACK action code */ 2255 enum ieee80211_back_actioncode { 2256 WLAN_ACTION_ADDBA_REQ = 0, 2257 WLAN_ACTION_ADDBA_RESP = 1, 2258 WLAN_ACTION_DELBA = 2, 2259 }; 2260 2261 /* BACK (block-ack) parties */ 2262 enum ieee80211_back_parties { 2263 WLAN_BACK_RECIPIENT = 0, 2264 WLAN_BACK_INITIATOR = 1, 2265 }; 2266 2267 /* SA Query action */ 2268 enum ieee80211_sa_query_action { 2269 WLAN_ACTION_SA_QUERY_REQUEST = 0, 2270 WLAN_ACTION_SA_QUERY_RESPONSE = 1, 2271 }; 2272 2273 2274 /* cipher suite selectors */ 2275 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00 2276 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01 2277 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02 2278 /* reserved: 0x000FAC03 */ 2279 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04 2280 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05 2281 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06 2282 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08 2283 #define WLAN_CIPHER_SUITE_GCMP_256 0x000FAC09 2284 #define WLAN_CIPHER_SUITE_CCMP_256 0x000FAC0A 2285 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 0x000FAC0B 2286 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 0x000FAC0C 2287 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 0x000FAC0D 2288 2289 #define WLAN_CIPHER_SUITE_SMS4 0x00147201 2290 2291 /* AKM suite selectors */ 2292 #define WLAN_AKM_SUITE_8021X 0x000FAC01 2293 #define WLAN_AKM_SUITE_PSK 0x000FAC02 2294 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05 2295 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06 2296 #define WLAN_AKM_SUITE_TDLS 0x000FAC07 2297 #define WLAN_AKM_SUITE_SAE 0x000FAC08 2298 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09 2299 2300 #define WLAN_MAX_KEY_LEN 32 2301 2302 #define WLAN_PMKID_LEN 16 2303 2304 #define WLAN_OUI_WFA 0x506f9a 2305 #define WLAN_OUI_TYPE_WFA_P2P 9 2306 #define WLAN_OUI_MICROSOFT 0x0050f2 2307 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1 2308 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2 2309 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4 2310 2311 /* 2312 * WMM/802.11e Tspec Element 2313 */ 2314 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F 2315 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1 2316 2317 enum ieee80211_tspec_status_code { 2318 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0, 2319 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1, 2320 }; 2321 2322 struct ieee80211_tspec_ie { 2323 u8 element_id; 2324 u8 len; 2325 u8 oui[3]; 2326 u8 oui_type; 2327 u8 oui_subtype; 2328 u8 version; 2329 __le16 tsinfo; 2330 u8 tsinfo_resvd; 2331 __le16 nominal_msdu; 2332 __le16 max_msdu; 2333 __le32 min_service_int; 2334 __le32 max_service_int; 2335 __le32 inactivity_int; 2336 __le32 suspension_int; 2337 __le32 service_start_time; 2338 __le32 min_data_rate; 2339 __le32 mean_data_rate; 2340 __le32 peak_data_rate; 2341 __le32 max_burst_size; 2342 __le32 delay_bound; 2343 __le32 min_phy_rate; 2344 __le16 sba; 2345 __le16 medium_time; 2346 } __packed; 2347 2348 /** 2349 * ieee80211_get_qos_ctl - get pointer to qos control bytes 2350 * @hdr: the frame 2351 * 2352 * The qos ctrl bytes come after the frame_control, duration, seq_num 2353 * and 3 or 4 addresses of length ETH_ALEN. 2354 * 3 addr: 2 + 2 + 2 + 3*6 = 24 2355 * 4 addr: 2 + 2 + 2 + 4*6 = 30 2356 */ 2357 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr) 2358 { 2359 if (ieee80211_has_a4(hdr->frame_control)) 2360 return (u8 *)hdr + 30; 2361 else 2362 return (u8 *)hdr + 24; 2363 } 2364 2365 /** 2366 * ieee80211_get_SA - get pointer to SA 2367 * @hdr: the frame 2368 * 2369 * Given an 802.11 frame, this function returns the offset 2370 * to the source address (SA). It does not verify that the 2371 * header is long enough to contain the address, and the 2372 * header must be long enough to contain the frame control 2373 * field. 2374 */ 2375 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr) 2376 { 2377 if (ieee80211_has_a4(hdr->frame_control)) 2378 return hdr->addr4; 2379 if (ieee80211_has_fromds(hdr->frame_control)) 2380 return hdr->addr3; 2381 return hdr->addr2; 2382 } 2383 2384 /** 2385 * ieee80211_get_DA - get pointer to DA 2386 * @hdr: the frame 2387 * 2388 * Given an 802.11 frame, this function returns the offset 2389 * to the destination address (DA). It does not verify that 2390 * the header is long enough to contain the address, and the 2391 * header must be long enough to contain the frame control 2392 * field. 2393 */ 2394 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr) 2395 { 2396 if (ieee80211_has_tods(hdr->frame_control)) 2397 return hdr->addr3; 2398 else 2399 return hdr->addr1; 2400 } 2401 2402 /** 2403 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame 2404 * @hdr: the frame (buffer must include at least the first octet of payload) 2405 */ 2406 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr) 2407 { 2408 if (ieee80211_is_disassoc(hdr->frame_control) || 2409 ieee80211_is_deauth(hdr->frame_control)) 2410 return true; 2411 2412 if (ieee80211_is_action(hdr->frame_control)) { 2413 u8 *category; 2414 2415 /* 2416 * Action frames, excluding Public Action frames, are Robust 2417 * Management Frames. However, if we are looking at a Protected 2418 * frame, skip the check since the data may be encrypted and 2419 * the frame has already been found to be a Robust Management 2420 * Frame (by the other end). 2421 */ 2422 if (ieee80211_has_protected(hdr->frame_control)) 2423 return true; 2424 category = ((u8 *) hdr) + 24; 2425 return *category != WLAN_CATEGORY_PUBLIC && 2426 *category != WLAN_CATEGORY_HT && 2427 *category != WLAN_CATEGORY_WNM_UNPROTECTED && 2428 *category != WLAN_CATEGORY_SELF_PROTECTED && 2429 *category != WLAN_CATEGORY_UNPROT_DMG && 2430 *category != WLAN_CATEGORY_VHT && 2431 *category != WLAN_CATEGORY_VENDOR_SPECIFIC; 2432 } 2433 2434 return false; 2435 } 2436 2437 /** 2438 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame 2439 * @skb: the skb containing the frame, length will be checked 2440 */ 2441 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb) 2442 { 2443 if (skb->len < 25) 2444 return false; 2445 return _ieee80211_is_robust_mgmt_frame((void *)skb->data); 2446 } 2447 2448 /** 2449 * ieee80211_is_public_action - check if frame is a public action frame 2450 * @hdr: the frame 2451 * @len: length of the frame 2452 */ 2453 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr, 2454 size_t len) 2455 { 2456 struct ieee80211_mgmt *mgmt = (void *)hdr; 2457 2458 if (len < IEEE80211_MIN_ACTION_SIZE) 2459 return false; 2460 if (!ieee80211_is_action(hdr->frame_control)) 2461 return false; 2462 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC; 2463 } 2464 2465 /** 2466 * ieee80211_tu_to_usec - convert time units (TU) to microseconds 2467 * @tu: the TUs 2468 */ 2469 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu) 2470 { 2471 return 1024 * tu; 2472 } 2473 2474 /** 2475 * ieee80211_check_tim - check if AID bit is set in TIM 2476 * @tim: the TIM IE 2477 * @tim_len: length of the TIM IE 2478 * @aid: the AID to look for 2479 */ 2480 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim, 2481 u8 tim_len, u16 aid) 2482 { 2483 u8 mask; 2484 u8 index, indexn1, indexn2; 2485 2486 if (unlikely(!tim || tim_len < sizeof(*tim))) 2487 return false; 2488 2489 aid &= 0x3fff; 2490 index = aid / 8; 2491 mask = 1 << (aid & 7); 2492 2493 indexn1 = tim->bitmap_ctrl & 0xfe; 2494 indexn2 = tim_len + indexn1 - 4; 2495 2496 if (index < indexn1 || index > indexn2) 2497 return false; 2498 2499 index -= indexn1; 2500 2501 return !!(tim->virtual_map[index] & mask); 2502 } 2503 2504 /** 2505 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet) 2506 * @skb: the skb containing the frame, length will not be checked 2507 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data 2508 * 2509 * This function assumes the frame is a data frame, and that the network header 2510 * is in the correct place. 2511 */ 2512 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size) 2513 { 2514 if (!skb_is_nonlinear(skb) && 2515 skb->len > (skb_network_offset(skb) + 2)) { 2516 /* Point to where the indication of TDLS should start */ 2517 const u8 *tdls_data = skb_network_header(skb) - 2; 2518 2519 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS && 2520 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE && 2521 tdls_data[3] == WLAN_CATEGORY_TDLS) 2522 return tdls_data[4]; 2523 } 2524 2525 return -1; 2526 } 2527 2528 /* convert time units */ 2529 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024)) 2530 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x)) 2531 2532 /** 2533 * ieee80211_action_contains_tpc - checks if the frame contains TPC element 2534 * @skb: the skb containing the frame, length will be checked 2535 * 2536 * This function checks if it's either TPC report action frame or Link 2537 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5 2538 * and 8.5.7.5 accordingly. 2539 */ 2540 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb) 2541 { 2542 struct ieee80211_mgmt *mgmt = (void *)skb->data; 2543 2544 if (!ieee80211_is_action(mgmt->frame_control)) 2545 return false; 2546 2547 if (skb->len < IEEE80211_MIN_ACTION_SIZE + 2548 sizeof(mgmt->u.action.u.tpc_report)) 2549 return false; 2550 2551 /* 2552 * TPC report - check that: 2553 * category = 0 (Spectrum Management) or 5 (Radio Measurement) 2554 * spectrum management action = 3 (TPC/Link Measurement report) 2555 * TPC report EID = 35 2556 * TPC report element length = 2 2557 * 2558 * The spectrum management's tpc_report struct is used here both for 2559 * parsing tpc_report and radio measurement's link measurement report 2560 * frame, since the relevant part is identical in both frames. 2561 */ 2562 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT && 2563 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT) 2564 return false; 2565 2566 /* both spectrum mgmt and link measurement have same action code */ 2567 if (mgmt->u.action.u.tpc_report.action_code != 2568 WLAN_ACTION_SPCT_TPC_RPRT) 2569 return false; 2570 2571 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT || 2572 mgmt->u.action.u.tpc_report.tpc_elem_length != 2573 sizeof(struct ieee80211_tpc_report_ie)) 2574 return false; 2575 2576 return true; 2577 } 2578 2579 #endif /* LINUX_IEEE80211_H */ 2580