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