LXR linux/include/linux/ieee80211.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * IEEE 802.11 defines
   4 *
   5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   6 * <jkmaline@cc.hut.fi>
   7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   8 * Copyright (c) 2005, Devicescape Software, Inc.
   9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12 * Copyright (c) 2018 - 2019 Intel Corporation
  13 */
  14
  15#ifndef LINUX_IEEE80211_H
  16#define LINUX_IEEE80211_H
  17
  18#include <linux/types.h>
  19#include <linux/if_ether.h>
  20#include <linux/etherdevice.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 bool 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/* Maximal size of an A-MSDU that can be transported in a HT BA session */
 167#define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 168
 169/* Maximal size of an A-MSDU */
 170#define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 171#define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 172
 173#define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 174#define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 175#define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 176
 177#define IEEE80211_MAX_SSID_LEN          32
 178
 179#define IEEE80211_MAX_MESH_ID_LEN       32
 180
 181#define IEEE80211_FIRST_TSPEC_TSID      8
 182#define IEEE80211_NUM_TIDS              16
 183
 184/* number of user priorities 802.11 uses */
 185#define IEEE80211_NUM_UPS               8
 186/* number of ACs */
 187#define IEEE80211_NUM_ACS               4
 188
 189#define IEEE80211_QOS_CTL_LEN           2
 190/* 1d tag mask */
 191#define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 192/* TID mask */
 193#define IEEE80211_QOS_CTL_TID_MASK              0x000f
 194/* EOSP */
 195#define IEEE80211_QOS_CTL_EOSP                  0x0010
 196/* ACK policy */
 197#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 198#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 199#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 200#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 201#define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 202/* A-MSDU 802.11n */
 203#define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 204/* Mesh Control 802.11s */
 205#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 206
 207/* Mesh Power Save Level */
 208#define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 209/* Mesh Receiver Service Period Initiated */
 210#define IEEE80211_QOS_CTL_RSPI                  0x0400
 211
 212/* U-APSD queue for WMM IEs sent by AP */
 213#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 214#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 215
 216/* U-APSD queues for WMM IEs sent by STA */
 217#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 218#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 219#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 220#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 221#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 222
 223/* U-APSD max SP length for WMM IEs sent by STA */
 224#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 225#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 226#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 227#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 228#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 229#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 230
 231#define IEEE80211_HT_CTL_LEN            4
 232
 233struct ieee80211_hdr {
 234        __le16 frame_control;
 235        __le16 duration_id;
 236        u8 addr1[ETH_ALEN];
 237        u8 addr2[ETH_ALEN];
 238        u8 addr3[ETH_ALEN];
 239        __le16 seq_ctrl;
 240        u8 addr4[ETH_ALEN];
 241} __packed __aligned(2);
 242
 243struct ieee80211_hdr_3addr {
 244        __le16 frame_control;
 245        __le16 duration_id;
 246        u8 addr1[ETH_ALEN];
 247        u8 addr2[ETH_ALEN];
 248        u8 addr3[ETH_ALEN];
 249        __le16 seq_ctrl;
 250} __packed __aligned(2);
 251
 252struct ieee80211_qos_hdr {
 253        __le16 frame_control;
 254        __le16 duration_id;
 255        u8 addr1[ETH_ALEN];
 256        u8 addr2[ETH_ALEN];
 257        u8 addr3[ETH_ALEN];
 258        __le16 seq_ctrl;
 259        __le16 qos_ctrl;
 260} __packed __aligned(2);
 261
 262/**
 263 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 264 * @fc: frame control bytes in little-endian byteorder
 265 */
 266static inline bool ieee80211_has_tods(__le16 fc)
 267{
 268        return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 269}
 270
 271/**
 272 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 273 * @fc: frame control bytes in little-endian byteorder
 274 */
 275static inline bool ieee80211_has_fromds(__le16 fc)
 276{
 277        return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 278}
 279
 280/**
 281 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 282 * @fc: frame control bytes in little-endian byteorder
 283 */
 284static inline bool ieee80211_has_a4(__le16 fc)
 285{
 286        __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 287        return (fc & tmp) == tmp;
 288}
 289
 290/**
 291 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 292 * @fc: frame control bytes in little-endian byteorder
 293 */
 294static inline bool ieee80211_has_morefrags(__le16 fc)
 295{
 296        return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 297}
 298
 299/**
 300 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 301 * @fc: frame control bytes in little-endian byteorder
 302 */
 303static inline bool ieee80211_has_retry(__le16 fc)
 304{
 305        return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 306}
 307
 308/**
 309 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 310 * @fc: frame control bytes in little-endian byteorder
 311 */
 312static inline bool ieee80211_has_pm(__le16 fc)
 313{
 314        return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 315}
 316
 317/**
 318 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 319 * @fc: frame control bytes in little-endian byteorder
 320 */
 321static inline bool ieee80211_has_moredata(__le16 fc)
 322{
 323        return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 324}
 325
 326/**
 327 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 328 * @fc: frame control bytes in little-endian byteorder
 329 */
 330static inline bool ieee80211_has_protected(__le16 fc)
 331{
 332        return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 333}
 334
 335/**
 336 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 337 * @fc: frame control bytes in little-endian byteorder
 338 */
 339static inline bool ieee80211_has_order(__le16 fc)
 340{
 341        return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 342}
 343
 344/**
 345 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 346 * @fc: frame control bytes in little-endian byteorder
 347 */
 348static inline bool ieee80211_is_mgmt(__le16 fc)
 349{
 350        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 351               cpu_to_le16(IEEE80211_FTYPE_MGMT);
 352}
 353
 354/**
 355 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 356 * @fc: frame control bytes in little-endian byteorder
 357 */
 358static inline bool ieee80211_is_ctl(__le16 fc)
 359{
 360        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 361               cpu_to_le16(IEEE80211_FTYPE_CTL);
 362}
 363
 364/**
 365 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 366 * @fc: frame control bytes in little-endian byteorder
 367 */
 368static inline bool ieee80211_is_data(__le16 fc)
 369{
 370        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 371               cpu_to_le16(IEEE80211_FTYPE_DATA);
 372}
 373
 374/**
 375 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 376 * @fc: frame control bytes in little-endian byteorder
 377 */
 378static inline bool ieee80211_is_data_qos(__le16 fc)
 379{
 380        /*
 381         * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 382         * to check the one bit
 383         */
 384        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 385               cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 386}
 387
 388/**
 389 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 390 * @fc: frame control bytes in little-endian byteorder
 391 */
 392static inline bool ieee80211_is_data_present(__le16 fc)
 393{
 394        /*
 395         * mask with 0x40 and test that that bit is clear to only return true
 396         * for the data-containing substypes.
 397         */
 398        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 399               cpu_to_le16(IEEE80211_FTYPE_DATA);
 400}
 401
 402/**
 403 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 404 * @fc: frame control bytes in little-endian byteorder
 405 */
 406static inline bool ieee80211_is_assoc_req(__le16 fc)
 407{
 408        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 409               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 410}
 411
 412/**
 413 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 414 * @fc: frame control bytes in little-endian byteorder
 415 */
 416static inline bool ieee80211_is_assoc_resp(__le16 fc)
 417{
 418        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 419               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 420}
 421
 422/**
 423 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 424 * @fc: frame control bytes in little-endian byteorder
 425 */
 426static inline bool ieee80211_is_reassoc_req(__le16 fc)
 427{
 428        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 429               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 430}
 431
 432/**
 433 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 434 * @fc: frame control bytes in little-endian byteorder
 435 */
 436static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 437{
 438        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 439               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 440}
 441
 442/**
 443 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 444 * @fc: frame control bytes in little-endian byteorder
 445 */
 446static inline bool ieee80211_is_probe_req(__le16 fc)
 447{
 448        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 449               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 450}
 451
 452/**
 453 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 454 * @fc: frame control bytes in little-endian byteorder
 455 */
 456static inline bool ieee80211_is_probe_resp(__le16 fc)
 457{
 458        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 459               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 460}
 461
 462/**
 463 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 464 * @fc: frame control bytes in little-endian byteorder
 465 */
 466static inline bool ieee80211_is_beacon(__le16 fc)
 467{
 468        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 469               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 470}
 471
 472/**
 473 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 474 * @fc: frame control bytes in little-endian byteorder
 475 */
 476static inline bool ieee80211_is_atim(__le16 fc)
 477{
 478        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 479               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 480}
 481
 482/**
 483 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 484 * @fc: frame control bytes in little-endian byteorder
 485 */
 486static inline bool ieee80211_is_disassoc(__le16 fc)
 487{
 488        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 489               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 490}
 491
 492/**
 493 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 494 * @fc: frame control bytes in little-endian byteorder
 495 */
 496static inline bool ieee80211_is_auth(__le16 fc)
 497{
 498        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 499               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 500}
 501
 502/**
 503 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 504 * @fc: frame control bytes in little-endian byteorder
 505 */
 506static inline bool ieee80211_is_deauth(__le16 fc)
 507{
 508        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 509               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 510}
 511
 512/**
 513 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 514 * @fc: frame control bytes in little-endian byteorder
 515 */
 516static inline bool ieee80211_is_action(__le16 fc)
 517{
 518        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 519               cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 520}
 521
 522/**
 523 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 524 * @fc: frame control bytes in little-endian byteorder
 525 */
 526static inline bool ieee80211_is_back_req(__le16 fc)
 527{
 528        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 529               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 530}
 531
 532/**
 533 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 534 * @fc: frame control bytes in little-endian byteorder
 535 */
 536static inline bool ieee80211_is_back(__le16 fc)
 537{
 538        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 539               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 540}
 541
 542/**
 543 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 544 * @fc: frame control bytes in little-endian byteorder
 545 */
 546static inline bool ieee80211_is_pspoll(__le16 fc)
 547{
 548        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 549               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 550}
 551
 552/**
 553 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 554 * @fc: frame control bytes in little-endian byteorder
 555 */
 556static inline bool ieee80211_is_rts(__le16 fc)
 557{
 558        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 559               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 560}
 561
 562/**
 563 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 564 * @fc: frame control bytes in little-endian byteorder
 565 */
 566static inline bool ieee80211_is_cts(__le16 fc)
 567{
 568        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 569               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 570}
 571
 572/**
 573 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 574 * @fc: frame control bytes in little-endian byteorder
 575 */
 576static inline bool ieee80211_is_ack(__le16 fc)
 577{
 578        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 579               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 580}
 581
 582/**
 583 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 584 * @fc: frame control bytes in little-endian byteorder
 585 */
 586static inline bool ieee80211_is_cfend(__le16 fc)
 587{
 588        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 589               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 590}
 591
 592/**
 593 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 594 * @fc: frame control bytes in little-endian byteorder
 595 */
 596static inline bool ieee80211_is_cfendack(__le16 fc)
 597{
 598        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 599               cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 600}
 601
 602/**
 603 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 604 * @fc: frame control bytes in little-endian byteorder
 605 */
 606static inline bool ieee80211_is_nullfunc(__le16 fc)
 607{
 608        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 609               cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 610}
 611
 612/**
 613 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 614 * @fc: frame control bytes in little-endian byteorder
 615 */
 616static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 617{
 618        return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 619               cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 620}
 621
 622/**
 623 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 624 * @fc: frame control field in little-endian byteorder
 625 */
 626static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 627{
 628        /* IEEE 802.11-2012, definition of "bufferable management frame";
 629         * note that this ignores the IBSS special case. */
 630        return ieee80211_is_mgmt(fc) &&
 631               (ieee80211_is_action(fc) ||
 632                ieee80211_is_disassoc(fc) ||
 633                ieee80211_is_deauth(fc));
 634}
 635
 636/**
 637 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 638 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 639 */
 640static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 641{
 642        return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 643}
 644
 645/**
 646 * ieee80211_is_frag - check if a frame is a fragment
 647 * @hdr: 802.11 header of the frame
 648 */
 649static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 650{
 651        return ieee80211_has_morefrags(hdr->frame_control) ||
 652               hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 653}
 654
 655struct ieee80211s_hdr {
 656        u8 flags;
 657        u8 ttl;
 658        __le32 seqnum;
 659        u8 eaddr1[ETH_ALEN];
 660        u8 eaddr2[ETH_ALEN];
 661} __packed __aligned(2);
 662
 663/* Mesh flags */
 664#define MESH_FLAGS_AE_A4        0x1
 665#define MESH_FLAGS_AE_A5_A6     0x2
 666#define MESH_FLAGS_AE           0x3
 667#define MESH_FLAGS_PS_DEEP      0x4
 668
 669/**
 670 * enum ieee80211_preq_flags - mesh PREQ element flags
 671 *
 672 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 673 */
 674enum ieee80211_preq_flags {
 675        IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 676};
 677
 678/**
 679 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 680 *
 681 * @IEEE80211_PREQ_TO_FLAG: target only subfield
 682 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 683 */
 684enum ieee80211_preq_target_flags {
 685        IEEE80211_PREQ_TO_FLAG  = 1<<0,
 686        IEEE80211_PREQ_USN_FLAG = 1<<2,
 687};
 688
 689/**
 690 * struct ieee80211_quiet_ie
 691 *
 692 * This structure refers to "Quiet information element"
 693 */
 694struct ieee80211_quiet_ie {
 695        u8 count;
 696        u8 period;
 697        __le16 duration;
 698        __le16 offset;
 699} __packed;
 700
 701/**
 702 * struct ieee80211_msrment_ie
 703 *
 704 * This structure refers to "Measurement Request/Report information element"
 705 */
 706struct ieee80211_msrment_ie {
 707        u8 token;
 708        u8 mode;
 709        u8 type;
 710        u8 request[0];
 711} __packed;
 712
 713/**
 714 * struct ieee80211_channel_sw_ie
 715 *
 716 * This structure refers to "Channel Switch Announcement information element"
 717 */
 718struct ieee80211_channel_sw_ie {
 719        u8 mode;
 720        u8 new_ch_num;
 721        u8 count;
 722} __packed;
 723
 724/**
 725 * struct ieee80211_ext_chansw_ie
 726 *
 727 * This structure represents the "Extended Channel Switch Announcement element"
 728 */
 729struct ieee80211_ext_chansw_ie {
 730        u8 mode;
 731        u8 new_operating_class;
 732        u8 new_ch_num;
 733        u8 count;
 734} __packed;
 735
 736/**
 737 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 738 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 739 *      values here
 740 * This structure represents the "Secondary Channel Offset element"
 741 */
 742struct ieee80211_sec_chan_offs_ie {
 743        u8 sec_chan_offs;
 744} __packed;
 745
 746/**
 747 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 748 *
 749 * This structure represents the "Mesh Channel Switch Paramters element"
 750 */
 751struct ieee80211_mesh_chansw_params_ie {
 752        u8 mesh_ttl;
 753        u8 mesh_flags;
 754        __le16 mesh_reason;
 755        __le16 mesh_pre_value;
 756} __packed;
 757
 758/**
 759 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 760 */
 761struct ieee80211_wide_bw_chansw_ie {
 762        u8 new_channel_width;
 763        u8 new_center_freq_seg0, new_center_freq_seg1;
 764} __packed;
 765
 766/**
 767 * struct ieee80211_tim
 768 *
 769 * This structure refers to "Traffic Indication Map information element"
 770 */
 771struct ieee80211_tim_ie {
 772        u8 dtim_count;
 773        u8 dtim_period;
 774        u8 bitmap_ctrl;
 775        /* variable size: 1 - 251 bytes */
 776        u8 virtual_map[1];
 777} __packed;
 778
 779/**
 780 * struct ieee80211_meshconf_ie
 781 *
 782 * This structure refers to "Mesh Configuration information element"
 783 */
 784struct ieee80211_meshconf_ie {
 785        u8 meshconf_psel;
 786        u8 meshconf_pmetric;
 787        u8 meshconf_congest;
 788        u8 meshconf_synch;
 789        u8 meshconf_auth;
 790        u8 meshconf_form;
 791        u8 meshconf_cap;
 792} __packed;
 793
 794/**
 795 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 796 *
 797 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 798 *      additional mesh peerings with other mesh STAs
 799 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 800 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 801 *      is ongoing
 802 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 803 *      neighbors in deep sleep mode
 804 */
 805enum mesh_config_capab_flags {
 806        IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 807        IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 808        IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 809        IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 810};
 811
 812#define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 813
 814/**
 815 * mesh channel switch parameters element's flag indicator
 816 *
 817 */
 818#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 819#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 820#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 821
 822/**
 823 * struct ieee80211_rann_ie
 824 *
 825 * This structure refers to "Root Announcement information element"
 826 */
 827struct ieee80211_rann_ie {
 828        u8 rann_flags;
 829        u8 rann_hopcount;
 830        u8 rann_ttl;
 831        u8 rann_addr[ETH_ALEN];
 832        __le32 rann_seq;
 833        __le32 rann_interval;
 834        __le32 rann_metric;
 835} __packed;
 836
 837enum ieee80211_rann_flags {
 838        RANN_FLAG_IS_GATE = 1 << 0,
 839};
 840
 841enum ieee80211_ht_chanwidth_values {
 842        IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 843        IEEE80211_HT_CHANWIDTH_ANY = 1,
 844};
 845
 846/**
 847 * enum ieee80211_opmode_bits - VHT operating mode field bits
 848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 854 *      (the NSS value is the value of this field + 1)
 855 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 857 *      using a beamforming steering matrix
 858 */
 859enum ieee80211_vht_opmode_bits {
 860        IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 861        IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 862        IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 863        IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 864        IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 865        IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 866        IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 867        IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 868};
 869
 870#define WLAN_SA_QUERY_TR_ID_LEN 2
 871#define WLAN_MEMBERSHIP_LEN 8
 872#define WLAN_USER_POSITION_LEN 16
 873
 874/**
 875 * struct ieee80211_tpc_report_ie
 876 *
 877 * This structure refers to "TPC Report element"
 878 */
 879struct ieee80211_tpc_report_ie {
 880        u8 tx_power;
 881        u8 link_margin;
 882} __packed;
 883
 884struct ieee80211_mgmt {
 885        __le16 frame_control;
 886        __le16 duration;
 887        u8 da[ETH_ALEN];
 888        u8 sa[ETH_ALEN];
 889        u8 bssid[ETH_ALEN];
 890        __le16 seq_ctrl;
 891        union {
 892                struct {
 893                        __le16 auth_alg;
 894                        __le16 auth_transaction;
 895                        __le16 status_code;
 896                        /* possibly followed by Challenge text */
 897                        u8 variable[0];
 898                } __packed auth;
 899                struct {
 900                        __le16 reason_code;
 901                } __packed deauth;
 902                struct {
 903                        __le16 capab_info;
 904                        __le16 listen_interval;
 905                        /* followed by SSID and Supported rates */
 906                        u8 variable[0];
 907                } __packed assoc_req;
 908                struct {
 909                        __le16 capab_info;
 910                        __le16 status_code;
 911                        __le16 aid;
 912                        /* followed by Supported rates */
 913                        u8 variable[0];
 914                } __packed assoc_resp, reassoc_resp;
 915                struct {
 916                        __le16 capab_info;
 917                        __le16 listen_interval;
 918                        u8 current_ap[ETH_ALEN];
 919                        /* followed by SSID and Supported rates */
 920                        u8 variable[0];
 921                } __packed reassoc_req;
 922                struct {
 923                        __le16 reason_code;
 924                } __packed disassoc;
 925                struct {
 926                        __le64 timestamp;
 927                        __le16 beacon_int;
 928                        __le16 capab_info;
 929                        /* followed by some of SSID, Supported rates,
 930                         * FH Params, DS Params, CF Params, IBSS Params, TIM */
 931                        u8 variable[0];
 932                } __packed beacon;
 933                struct {
 934                        /* only variable items: SSID, Supported rates */
 935                        u8 variable[0];
 936                } __packed probe_req;
 937                struct {
 938                        __le64 timestamp;
 939                        __le16 beacon_int;
 940                        __le16 capab_info;
 941                        /* followed by some of SSID, Supported rates,
 942                         * FH Params, DS Params, CF Params, IBSS Params */
 943                        u8 variable[0];
 944                } __packed probe_resp;
 945                struct {
 946                        u8 category;
 947                        union {
 948                                struct {
 949                                        u8 action_code;
 950                                        u8 dialog_token;
 951                                        u8 status_code;
 952                                        u8 variable[0];
 953                                } __packed wme_action;
 954                                struct{
 955                                        u8 action_code;
 956                                        u8 variable[0];
 957                                } __packed chan_switch;
 958                                struct{
 959                                        u8 action_code;
 960                                        struct ieee80211_ext_chansw_ie data;
 961                                        u8 variable[0];
 962                                } __packed ext_chan_switch;
 963                                struct{
 964                                        u8 action_code;
 965                                        u8 dialog_token;
 966                                        u8 element_id;
 967                                        u8 length;
 968                                        struct ieee80211_msrment_ie msr_elem;
 969                                } __packed measurement;
 970                                struct{
 971                                        u8 action_code;
 972                                        u8 dialog_token;
 973                                        __le16 capab;
 974                                        __le16 timeout;
 975                                        __le16 start_seq_num;
 976                                } __packed addba_req;
 977                                struct{
 978                                        u8 action_code;
 979                                        u8 dialog_token;
 980                                        __le16 status;
 981                                        __le16 capab;
 982                                        __le16 timeout;
 983                                } __packed addba_resp;
 984                                struct{
 985                                        u8 action_code;
 986                                        __le16 params;
 987                                        __le16 reason_code;
 988                                } __packed delba;
 989                                struct {
 990                                        u8 action_code;
 991                                        u8 variable[0];
 992                                } __packed self_prot;
 993                                struct{
 994                                        u8 action_code;
 995                                        u8 variable[0];
 996                                } __packed mesh_action;
 997                                struct {
 998                                        u8 action;
 999                                        u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1000                                } __packed sa_query;

1001                                struct {
1002                                        u8 action;
1003                                        u8 smps_control;
1004                                } __packed ht_smps;
1005                                struct {
1006                                        u8 action_code;
1007                                        u8 chanwidth;
1008                                } __packed ht_notify_cw;
1009                                struct {
1010                                        u8 action_code;
1011                                        u8 dialog_token;
1012                                        __le16 capability;
1013                                        u8 variable[0];
1014                                } __packed tdls_discover_resp;
1015                                struct {
1016                                        u8 action_code;
1017                                        u8 operating_mode;
1018                                } __packed vht_opmode_notif;
1019                                struct {
1020                                        u8 action_code;
1021                                        u8 membership[WLAN_MEMBERSHIP_LEN];
1022                                        u8 position[WLAN_USER_POSITION_LEN];
1023                                } __packed vht_group_notif;
1024                                struct {
1025                                        u8 action_code;
1026                                        u8 dialog_token;
1027                                        u8 tpc_elem_id;
1028                                        u8 tpc_elem_length;
1029                                        struct ieee80211_tpc_report_ie tpc;
1030                                } __packed tpc_report;
1031                                struct {
1032                                        u8 action_code;
1033                                        u8 dialog_token;
1034                                        u8 follow_up;
1035                                        u8 tod[6];
1036                                        u8 toa[6];
1037                                        __le16 tod_error;
1038                                        __le16 toa_error;
1039                                        u8 variable[0];
1040                                } __packed ftm;
1041                        } u;
1042                } __packed action;
1043        } u;
1044} __packed __aligned(2);
1045
1046/* Supported rates membership selectors */
1047#define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1048#define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1049
1050/* mgmt header + 1 byte category code */
1051#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1052
1053
1054/* Management MIC information element (IEEE 802.11w) */
1055struct ieee80211_mmie {
1056        u8 element_id;
1057        u8 length;
1058        __le16 key_id;
1059        u8 sequence_number[6];
1060        u8 mic[8];
1061} __packed;
1062
1063/* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1064struct ieee80211_mmie_16 {
1065        u8 element_id;
1066        u8 length;
1067        __le16 key_id;
1068        u8 sequence_number[6];
1069        u8 mic[16];
1070} __packed;
1071
1072struct ieee80211_vendor_ie {
1073        u8 element_id;
1074        u8 len;
1075        u8 oui[3];
1076        u8 oui_type;
1077} __packed;
1078
1079struct ieee80211_wmm_ac_param {
1080        u8 aci_aifsn; /* AIFSN, ACM, ACI */
1081        u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1082        __le16 txop_limit;
1083} __packed;
1084
1085struct ieee80211_wmm_param_ie {
1086        u8 element_id; /* Element ID: 221 (0xdd); */
1087        u8 len; /* Length: 24 */
1088        /* required fields for WMM version 1 */
1089        u8 oui[3]; /* 00:50:f2 */
1090        u8 oui_type; /* 2 */
1091        u8 oui_subtype; /* 1 */
1092        u8 version; /* 1 for WMM version 1.0 */
1093        u8 qos_info; /* AP/STA specific QoS info */
1094        u8 reserved; /* 0 */
1095        /* AC_BE, AC_BK, AC_VI, AC_VO */
1096        struct ieee80211_wmm_ac_param ac[4];
1097} __packed;
1098
1099/* Control frames */
1100struct ieee80211_rts {
1101        __le16 frame_control;
1102        __le16 duration;
1103        u8 ra[ETH_ALEN];
1104        u8 ta[ETH_ALEN];
1105} __packed __aligned(2);
1106
1107struct ieee80211_cts {
1108        __le16 frame_control;
1109        __le16 duration;
1110        u8 ra[ETH_ALEN];
1111} __packed __aligned(2);
1112
1113struct ieee80211_pspoll {
1114        __le16 frame_control;
1115        __le16 aid;
1116        u8 bssid[ETH_ALEN];
1117        u8 ta[ETH_ALEN];
1118} __packed __aligned(2);
1119
1120/* TDLS */
1121
1122/* Channel switch timing */
1123struct ieee80211_ch_switch_timing {
1124        __le16 switch_time;
1125        __le16 switch_timeout;
1126} __packed;
1127
1128/* Link-id information element */
1129struct ieee80211_tdls_lnkie {
1130        u8 ie_type; /* Link Identifier IE */
1131        u8 ie_len;
1132        u8 bssid[ETH_ALEN];
1133        u8 init_sta[ETH_ALEN];
1134        u8 resp_sta[ETH_ALEN];
1135} __packed;
1136
1137struct ieee80211_tdls_data {
1138        u8 da[ETH_ALEN];
1139        u8 sa[ETH_ALEN];
1140        __be16 ether_type;
1141        u8 payload_type;
1142        u8 category;
1143        u8 action_code;
1144        union {
1145                struct {
1146                        u8 dialog_token;
1147                        __le16 capability;
1148                        u8 variable[0];
1149                } __packed setup_req;
1150                struct {
1151                        __le16 status_code;
1152                        u8 dialog_token;
1153                        __le16 capability;
1154                        u8 variable[0];
1155                } __packed setup_resp;
1156                struct {
1157                        __le16 status_code;
1158                        u8 dialog_token;
1159                        u8 variable[0];
1160                } __packed setup_cfm;
1161                struct {
1162                        __le16 reason_code;
1163                        u8 variable[0];
1164                } __packed teardown;
1165                struct {
1166                        u8 dialog_token;
1167                        u8 variable[0];
1168                } __packed discover_req;
1169                struct {
1170                        u8 target_channel;
1171                        u8 oper_class;
1172                        u8 variable[0];
1173                } __packed chan_switch_req;
1174                struct {
1175                        __le16 status_code;
1176                        u8 variable[0];
1177                } __packed chan_switch_resp;
1178        } u;
1179} __packed;
1180
1181/*
1182 * Peer-to-Peer IE attribute related definitions.
1183 */
1184/**
1185 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1186 */
1187enum ieee80211_p2p_attr_id {
1188        IEEE80211_P2P_ATTR_STATUS = 0,
1189        IEEE80211_P2P_ATTR_MINOR_REASON,
1190        IEEE80211_P2P_ATTR_CAPABILITY,
1191        IEEE80211_P2P_ATTR_DEVICE_ID,
1192        IEEE80211_P2P_ATTR_GO_INTENT,
1193        IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1194        IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1195        IEEE80211_P2P_ATTR_GROUP_BSSID,
1196        IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1197        IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1198        IEEE80211_P2P_ATTR_MANAGABILITY,
1199        IEEE80211_P2P_ATTR_CHANNEL_LIST,
1200        IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1201        IEEE80211_P2P_ATTR_DEVICE_INFO,
1202        IEEE80211_P2P_ATTR_GROUP_INFO,
1203        IEEE80211_P2P_ATTR_GROUP_ID,
1204        IEEE80211_P2P_ATTR_INTERFACE,
1205        IEEE80211_P2P_ATTR_OPER_CHANNEL,
1206        IEEE80211_P2P_ATTR_INVITE_FLAGS,
1207        /* 19 - 220: Reserved */
1208        IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1209
1210        IEEE80211_P2P_ATTR_MAX
1211};
1212
1213/* Notice of Absence attribute - described in P2P spec 4.1.14 */
1214/* Typical max value used here */
1215#define IEEE80211_P2P_NOA_DESC_MAX      4
1216
1217struct ieee80211_p2p_noa_desc {
1218        u8 count;
1219        __le32 duration;
1220        __le32 interval;
1221        __le32 start_time;
1222} __packed;
1223
1224struct ieee80211_p2p_noa_attr {
1225        u8 index;
1226        u8 oppps_ctwindow;
1227        struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1228} __packed;
1229
1230#define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1231#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1232
1233/**
1234 * struct ieee80211_bar - HT Block Ack Request
1235 *
1236 * This structure refers to "HT BlockAckReq" as
1237 * described in 802.11n draft section 7.2.1.7.1
1238 */
1239struct ieee80211_bar {
1240        __le16 frame_control;
1241        __le16 duration;
1242        __u8 ra[ETH_ALEN];
1243        __u8 ta[ETH_ALEN];
1244        __le16 control;
1245        __le16 start_seq_num;
1246} __packed;
1247
1248/* 802.11 BAR control masks */
1249#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1250#define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1251#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1252#define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1253#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1254
1255#define IEEE80211_HT_MCS_MASK_LEN               10
1256
1257/**
1258 * struct ieee80211_mcs_info - MCS information
1259 * @rx_mask: RX mask
1260 * @rx_highest: highest supported RX rate. If set represents
1261 *      the highest supported RX data rate in units of 1 Mbps.
1262 *      If this field is 0 this value should not be used to
1263 *      consider the highest RX data rate supported.
1264 * @tx_params: TX parameters
1265 */
1266struct ieee80211_mcs_info {
1267        u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1268        __le16 rx_highest;
1269        u8 tx_params;
1270        u8 reserved[3];
1271} __packed;
1272
1273/* 802.11n HT capability MSC set */
1274#define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1275#define IEEE80211_HT_MCS_TX_DEFINED             0x01
1276#define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1277/* value 0 == 1 stream etc */
1278#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1279#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1280#define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1281#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1282
1283/*
1284 * 802.11n D5.0 20.3.5 / 20.6 says:
1285 * - indices 0 to 7 and 32 are single spatial stream
1286 * - 8 to 31 are multiple spatial streams using equal modulation
1287 *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1288 * - remainder are multiple spatial streams using unequal modulation
1289 */
1290#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1291#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1292        (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1293
1294/**
1295 * struct ieee80211_ht_cap - HT capabilities
1296 *
1297 * This structure is the "HT capabilities element" as
1298 * described in 802.11n D5.0 7.3.2.57
1299 */
1300struct ieee80211_ht_cap {
1301        __le16 cap_info;
1302        u8 ampdu_params_info;
1303
1304        /* 16 bytes MCS information */
1305        struct ieee80211_mcs_info mcs;
1306
1307        __le16 extended_ht_cap_info;
1308        __le32 tx_BF_cap_info;
1309        u8 antenna_selection_info;
1310} __packed;
1311
1312/* 802.11n HT capabilities masks (for cap_info) */
1313#define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1314#define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1315#define IEEE80211_HT_CAP_SM_PS                  0x000C
1316#define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1317#define IEEE80211_HT_CAP_GRN_FLD                0x0010
1318#define IEEE80211_HT_CAP_SGI_20                 0x0020
1319#define IEEE80211_HT_CAP_SGI_40                 0x0040
1320#define IEEE80211_HT_CAP_TX_STBC                0x0080
1321#define IEEE80211_HT_CAP_RX_STBC                0x0300
1322#define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1323#define IEEE80211_HT_CAP_DELAY_BA               0x0400
1324#define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1325#define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1326#define IEEE80211_HT_CAP_RESERVED               0x2000
1327#define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1328#define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1329
1330/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1331#define IEEE80211_HT_EXT_CAP_PCO                0x0001
1332#define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1333#define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1334#define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1335#define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1336#define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1337#define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1338
1339/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1340#define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1341#define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1342#define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1343
1344/*
1345 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1346 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1347 */
1348enum ieee80211_max_ampdu_length_exp {
1349        IEEE80211_HT_MAX_AMPDU_8K = 0,
1350        IEEE80211_HT_MAX_AMPDU_16K = 1,
1351        IEEE80211_HT_MAX_AMPDU_32K = 2,
1352        IEEE80211_HT_MAX_AMPDU_64K = 3
1353};
1354
1355/*
1356 * Maximum length of AMPDU that the STA can receive in VHT.
1357 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1358 */
1359enum ieee80211_vht_max_ampdu_length_exp {
1360        IEEE80211_VHT_MAX_AMPDU_8K = 0,
1361        IEEE80211_VHT_MAX_AMPDU_16K = 1,
1362        IEEE80211_VHT_MAX_AMPDU_32K = 2,
1363        IEEE80211_VHT_MAX_AMPDU_64K = 3,
1364        IEEE80211_VHT_MAX_AMPDU_128K = 4,
1365        IEEE80211_VHT_MAX_AMPDU_256K = 5,
1366        IEEE80211_VHT_MAX_AMPDU_512K = 6,
1367        IEEE80211_VHT_MAX_AMPDU_1024K = 7
1368};
1369
1370#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1371
1372/* Minimum MPDU start spacing */
1373enum ieee80211_min_mpdu_spacing {
1374        IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1375        IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1376        IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1377        IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1378        IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1379        IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1380        IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1381        IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1382};
1383
1384/**
1385 * struct ieee80211_ht_operation - HT operation IE
1386 *
1387 * This structure is the "HT operation element" as
1388 * described in 802.11n-2009 7.3.2.57
1389 */
1390struct ieee80211_ht_operation {
1391        u8 primary_chan;
1392        u8 ht_param;
1393        __le16 operation_mode;
1394        __le16 stbc_param;
1395        u8 basic_set[16];
1396} __packed;
1397
1398/* for ht_param */
1399#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1400#define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1401#define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1402#define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1403#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1404#define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1405
1406/* for operation_mode */
1407#define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1408#define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1409#define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1410#define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1411#define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1412#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1413#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1414#define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1415#define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1416
1417/* for stbc_param */
1418#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1419#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1420#define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1421#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1422#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1423#define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1424
1425
1426/* block-ack parameters */
1427#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1428#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1429#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1430#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1431#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1432#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1433
1434/*
1435 * A-MPDU buffer sizes
1436 * According to HT size varies from 8 to 64 frames
1437 * HE adds the ability to have up to 256 frames.
1438 */
1439#define IEEE80211_MIN_AMPDU_BUF         0x8
1440#define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1441#define IEEE80211_MAX_AMPDU_BUF         0x100
1442
1443
1444/* Spatial Multiplexing Power Save Modes (for capability) */
1445#define WLAN_HT_CAP_SM_PS_STATIC        0
1446#define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1447#define WLAN_HT_CAP_SM_PS_INVALID       2
1448#define WLAN_HT_CAP_SM_PS_DISABLED      3
1449
1450/* for SM power control field lower two bits */
1451#define WLAN_HT_SMPS_CONTROL_DISABLED   0
1452#define WLAN_HT_SMPS_CONTROL_STATIC     1
1453#define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1454
1455/**
1456 * struct ieee80211_vht_mcs_info - VHT MCS information
1457 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1458 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1459 *      STA can receive. Rate expressed in units of 1 Mbps.
1460 *      If this field is 0 this value should not be used to
1461 *      consider the highest RX data rate supported.
1462 *      The top 3 bits of this field indicate the Maximum NSTS,total
1463 *      (a beamformee capability.)
1464 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1465 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1466 *      STA can transmit. Rate expressed in units of 1 Mbps.
1467 *      If this field is 0 this value should not be used to
1468 *      consider the highest TX data rate supported.
1469 *      The top 2 bits of this field are reserved, the
1470 *      3rd bit from the top indiciates VHT Extended NSS BW
1471 *      Capability.
1472 */
1473struct ieee80211_vht_mcs_info {
1474        __le16 rx_mcs_map;
1475        __le16 rx_highest;
1476        __le16 tx_mcs_map;
1477        __le16 tx_highest;
1478} __packed;
1479
1480/* for rx_highest */
1481#define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1482#define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1483
1484/* for tx_highest */
1485#define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1486
1487/**
1488 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1489 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1490 *      number of streams
1491 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1492 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1493 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1494 *
1495 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1496 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1497 * both split into 8 subfields by number of streams. These values indicate
1498 * which MCSes are supported for the number of streams the value appears
1499 * for.
1500 */
1501enum ieee80211_vht_mcs_support {
1502        IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1503        IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1504        IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1505        IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1506};
1507
1508/**
1509 * struct ieee80211_vht_cap - VHT capabilities
1510 *
1511 * This structure is the "VHT capabilities element" as
1512 * described in 802.11ac D3.0 8.4.2.160
1513 * @vht_cap_info: VHT capability info
1514 * @supp_mcs: VHT MCS supported rates
1515 */
1516struct ieee80211_vht_cap {
1517        __le32 vht_cap_info;
1518        struct ieee80211_vht_mcs_info supp_mcs;
1519} __packed;
1520
1521/**
1522 * enum ieee80211_vht_chanwidth - VHT channel width
1523 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1524 *      determine the channel width (20 or 40 MHz)
1525 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1526 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1527 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1528 */
1529enum ieee80211_vht_chanwidth {
1530        IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1531        IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1532        IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1533        IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1534};
1535
1536/**
1537 * struct ieee80211_vht_operation - VHT operation IE
1538 *
1539 * This structure is the "VHT operation element" as
1540 * described in 802.11ac D3.0 8.4.2.161
1541 * @chan_width: Operating channel width
1542 * @center_freq_seg0_idx: center freq segment 0 index
1543 * @center_freq_seg1_idx: center freq segment 1 index
1544 * @basic_mcs_set: VHT Basic MCS rate set
1545 */
1546struct ieee80211_vht_operation {
1547        u8 chan_width;
1548        u8 center_freq_seg0_idx;
1549        u8 center_freq_seg1_idx;
1550        __le16 basic_mcs_set;
1551} __packed;
1552
1553/**
1554 * struct ieee80211_he_cap_elem - HE capabilities element
1555 *
1556 * This structure is the "HE capabilities element" fixed fields as
1557 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1558 */
1559struct ieee80211_he_cap_elem {
1560        u8 mac_cap_info[6];
1561        u8 phy_cap_info[11];
1562} __packed;
1563
1564#define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1565
1566/**
1567 * enum ieee80211_he_mcs_support - HE MCS support definitions
1568 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1569 *      number of streams
1570 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1571 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1572 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1573 *
1574 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1575 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1576 * both split into 8 subfields by number of streams. These values indicate
1577 * which MCSes are supported for the number of streams the value appears
1578 * for.
1579 */
1580enum ieee80211_he_mcs_support {
1581        IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1582        IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1583        IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1584        IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1585};
1586
1587/**
1588 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1589 *
1590 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1591 * described in P802.11ax_D2.0 section 9.4.2.237.4
1592 *
1593 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1594 *     widths less than 80MHz.
1595 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1596 *     widths less than 80MHz.
1597 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1598 *     width 160MHz.
1599 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1600 *     width 160MHz.
1601 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1602 *     channel width 80p80MHz.
1603 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1604 *     channel width 80p80MHz.
1605 */
1606struct ieee80211_he_mcs_nss_supp {
1607        __le16 rx_mcs_80;
1608        __le16 tx_mcs_80;
1609        __le16 rx_mcs_160;
1610        __le16 tx_mcs_160;
1611        __le16 rx_mcs_80p80;
1612        __le16 tx_mcs_80p80;
1613} __packed;
1614
1615/**
1616 * struct ieee80211_he_operation - HE capabilities element
1617 *
1618 * This structure is the "HE operation element" fields as
1619 * described in P802.11ax_D4.0 section 9.4.2.243
1620 */
1621struct ieee80211_he_operation {
1622        __le32 he_oper_params;
1623        __le16 he_mcs_nss_set;
1624        /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1625        u8 optional[0];
1626} __packed;
1627
1628/**
1629 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1630 *
1631 * This structure is the "MU AC Parameter Record" fields as
1632 * described in P802.11ax_D4.0 section 9.4.2.245
1633 */
1634struct ieee80211_he_mu_edca_param_ac_rec {
1635        u8 aifsn;
1636        u8 ecw_min_max;
1637        u8 mu_edca_timer;
1638} __packed;
1639
1640/**
1641 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1642 *
1643 * This structure is the "MU EDCA Parameter Set element" fields as
1644 * described in P802.11ax_D4.0 section 9.4.2.245
1645 */
1646struct ieee80211_mu_edca_param_set {
1647        u8 mu_qos_info;
1648        struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1649        struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1650        struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1651        struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1652} __packed;
1653
1654/* 802.11ac VHT Capabilities */
1655#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1656#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1657#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1658#define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1659#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1660#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1661#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1662#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1663#define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1664#define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1665#define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1666#define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1667#define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1668#define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1669#define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1670#define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1671#define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1672#define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1673#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1674#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1675#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1676#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1677                (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1678#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1679#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1680                (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1681#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1682#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1683#define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1684#define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1685#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1686#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1687                (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1688#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1689#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1690#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1691#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1692#define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1693#define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1694
1695/**
1696 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1697 * @cap: VHT capabilities of the peer
1698 * @bw: bandwidth to use
1699 * @mcs: MCS index to use
1700 * @ext_nss_bw_capable: indicates whether or not the local transmitter
1701 *      (rate scaling algorithm) can deal with the new logic
1702 *      (dot11VHTExtendedNSSBWCapable)
1703 *
1704 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1705 * vary for a given BW/MCS. This function parses the data.
1706 *
1707 * Note: This function is exported by cfg80211.
1708 */
1709int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1710                              enum ieee80211_vht_chanwidth bw,
1711                              int mcs, bool ext_nss_bw_capable);
1712
1713/* 802.11ax HE MAC capabilities */
1714#define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1715#define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1716#define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1717#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1718#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1719#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1720#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1721#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1722#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1723#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1724#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1725#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1726#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1727#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1728#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1729#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1730#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1731
1732#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1733#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1734#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1735#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1736#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1737#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1738#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1739#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1740#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1741#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1742#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1743#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1744#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1745#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1746#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1747#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1748#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1749#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1750
1751/* Link adaptation is split between byte HE_MAC_CAP1 and
1752 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1753 * in which case the following values apply:
1754 * 0 = No feedback.
1755 * 1 = reserved.
1756 * 2 = Unsolicited feedback.
1757 * 3 = both
1758 */
1759#define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1760
1761#define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1762#define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1763#define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1764#define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1765#define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1766#define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1767#define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1768#define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1769
1770#define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1771#define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1772
1773/* The maximum length of an A-MDPU is defined by the combination of the Maximum
1774 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1775 * same field in the HE capabilities.
1776 */
1777#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1778#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1779#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1780#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1781#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1782#define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1783#define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1784#define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1785
1786#define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1787#define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1788#define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1789#define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1790#define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1791#define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1792#define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1793/* Multi TID agg TX is split between byte #4 and #5
1794 * The value is a combination of B39,B40,B41
1795 */
1796#define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1797
1798#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1799#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1800#define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1801#define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1802#define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1803#define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1804#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1805#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1806
1807/* 802.11ax HE PHY capabilities */
1808#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1809#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1810#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1811#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1812#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1813#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1814#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1815
1816#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1817#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1818#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1819#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1820#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1821#define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1822#define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1823#define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1824/* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1825#define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1826
1827#define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1828#define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1829#define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1830#define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1831#define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1832#define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1833
1834/* Note that the meaning of UL MU below is different between an AP and a non-AP
1835 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1836 * case it indicates support for Tx.
1837 */
1838#define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1839#define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1840
1841#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1842#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1843#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1844#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1845#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1846#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1847#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1848#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1849#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1850#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1851#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1852#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1853#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1854#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1855#define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1856#define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1857
1858#define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1859#define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1860
1861/* Minimal allowed value of Max STS under 80MHz is 3 */
1862#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1863#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1864#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1865#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1866#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1867#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1868
1869/* Minimal allowed value of Max STS above 80MHz is 3 */
1870#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1871#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1872#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1873#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1874#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1875#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1876
1877#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1878#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1879#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1880#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1881#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1882#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1883#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1884#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1885#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1886
1887#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1888#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1889#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1890#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1891#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1892#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1893#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1894#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1895#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1896
1897#define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1898#define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1899
1900#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1901#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1902#define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1903#define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1904#define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1905#define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1906#define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1907#define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1908
1909#define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1910#define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1911#define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1912#define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1913#define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1914#define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1915#define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1916#define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1917#define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1918#define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1919#define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1920#define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1921#define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1922
1923#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1924#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1925#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1926#define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1927#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1928#define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1929#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1930#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1931#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1932#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1933#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1934
1935#define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1936#define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1937#define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1938#define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1939#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1940#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1941#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1942#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
1943#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
1944#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
1945#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
1946
1947/* 802.11ax HE TX/RX MCS NSS Support  */
1948#define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1949#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
1950#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
1951#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
1952#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
1953
1954/* TX/RX HE MCS Support field Highest MCS subfield encoding */
1955enum ieee80211_he_highest_mcs_supported_subfield_enc {
1956        HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1957        HIGHEST_MCS_SUPPORTED_MCS8,
1958        HIGHEST_MCS_SUPPORTED_MCS9,
1959        HIGHEST_MCS_SUPPORTED_MCS10,
1960        HIGHEST_MCS_SUPPORTED_MCS11,
1961};
1962
1963/* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1964static inline u8
1965ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1966{
1967        u8 count = 4;
1968
1969        if (he_cap->phy_cap_info[0] &
1970            IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1971                count += 4;
1972
1973        if (he_cap->phy_cap_info[0] &
1974            IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1975                count += 4;
1976
1977        return count;
1978}
1979
1980/* 802.11ax HE PPE Thresholds */
1981#define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
1982#define IEEE80211_PPE_THRES_NSS_POS                             (0)
1983#define IEEE80211_PPE_THRES_NSS_MASK                            (7)
1984#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
1985        (BIT(5) | BIT(6))
1986#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
1987#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
1988#define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
1989
1990/*
1991 * Calculate 802.11ax HE capabilities IE PPE field size
1992 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
1993 */
1994static inline u8
1995ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
1996{
1997        u8 n;
1998
1999        if ((phy_cap_info[6] &
2000             IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)

2001                return 0;
2002
2003        n = hweight8(ppe_thres_hdr &
2004                     IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2005        n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2006                   IEEE80211_PPE_THRES_NSS_POS));
2007
2008        /*
2009         * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2010         * total size.
2011         */
2012        n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2013        n = DIV_ROUND_UP(n, 8);
2014
2015        return n;
2016}
2017
2018/* HE Operation defines */
2019#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2020#define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2021#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2022#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2023#define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2024#define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2025#define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2026#define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2027#define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2028#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2029#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2030#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2031
2032/*
2033 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2034 * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2035 *      after the ext ID byte. It is assumed that he_oper_ie has at least
2036 *      sizeof(struct ieee80211_he_operation) bytes, checked already in
2037 *      ieee802_11_parse_elems_crc()
2038 * @return the actual size of the IE data (not including header), or 0 on error
2039 */
2040static inline u8
2041ieee80211_he_oper_size(const u8 *he_oper_ie)
2042{
2043        struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2044        u8 oper_len = sizeof(struct ieee80211_he_operation);
2045        u32 he_oper_params;
2046
2047        /* Make sure the input is not NULL */
2048        if (!he_oper_ie)
2049                return 0;
2050
2051        /* Calc required length */
2052        he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2053        if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2054                oper_len += 3;
2055        if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2056                oper_len++;
2057        if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2058                oper_len += 4;
2059
2060        /* Add the first byte (extension ID) to the total length */
2061        oper_len++;
2062
2063        return oper_len;
2064}
2065
2066/* Authentication algorithms */
2067#define WLAN_AUTH_OPEN 0
2068#define WLAN_AUTH_SHARED_KEY 1
2069#define WLAN_AUTH_FT 2
2070#define WLAN_AUTH_SAE 3
2071#define WLAN_AUTH_FILS_SK 4
2072#define WLAN_AUTH_FILS_SK_PFS 5
2073#define WLAN_AUTH_FILS_PK 6
2074#define WLAN_AUTH_LEAP 128
2075
2076#define WLAN_AUTH_CHALLENGE_LEN 128
2077
2078#define WLAN_CAPABILITY_ESS             (1<<0)
2079#define WLAN_CAPABILITY_IBSS            (1<<1)
2080
2081/*
2082 * A mesh STA sets the ESS and IBSS capability bits to zero.
2083 * however, this holds true for p2p probe responses (in the p2p_find
2084 * phase) as well.
2085 */
2086#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2087        (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2088
2089#define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2090#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2091#define WLAN_CAPABILITY_PRIVACY         (1<<4)
2092#define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2093#define WLAN_CAPABILITY_PBCC            (1<<6)
2094#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2095
2096/* 802.11h */
2097#define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2098#define WLAN_CAPABILITY_QOS             (1<<9)
2099#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2100#define WLAN_CAPABILITY_APSD            (1<<11)
2101#define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2102#define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2103#define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2104#define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2105
2106/* DMG (60gHz) 802.11ad */
2107/* type - bits 0..1 */
2108#define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2109#define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2110#define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2111#define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2112
2113#define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2114#define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2115#define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2116#define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2117
2118#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2119#define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2120
2121/* measurement */
2122#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2123#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2124#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2125
2126#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2127#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2128#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2129#define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2130#define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2131
2132/* 802.11g ERP information element */
2133#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2134#define WLAN_ERP_USE_PROTECTION (1<<1)
2135#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2136
2137/* WLAN_ERP_BARKER_PREAMBLE values */
2138enum {
2139        WLAN_ERP_PREAMBLE_SHORT = 0,
2140        WLAN_ERP_PREAMBLE_LONG = 1,
2141};
2142
2143/* Band ID, 802.11ad #8.4.1.45 */
2144enum {
2145        IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2146        IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2147        IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2148        IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2149        IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2150        IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2151};
2152
2153/* Status codes */
2154enum ieee80211_statuscode {
2155        WLAN_STATUS_SUCCESS = 0,
2156        WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2157        WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2158        WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2159        WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2160        WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2161        WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2162        WLAN_STATUS_CHALLENGE_FAIL = 15,
2163        WLAN_STATUS_AUTH_TIMEOUT = 16,
2164        WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2165        WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2166        /* 802.11b */
2167        WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2168        WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2169        WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2170        /* 802.11h */
2171        WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2172        WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2173        WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2174        /* 802.11g */
2175        WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2176        WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2177        /* 802.11w */
2178        WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2179        WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2180        /* 802.11i */
2181        WLAN_STATUS_INVALID_IE = 40,
2182        WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2183        WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2184        WLAN_STATUS_INVALID_AKMP = 43,
2185        WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2186        WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2187        WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2188        /* 802.11e */
2189        WLAN_STATUS_UNSPECIFIED_QOS = 32,
2190        WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2191        WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2192        WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2193        WLAN_STATUS_REQUEST_DECLINED = 37,
2194        WLAN_STATUS_INVALID_QOS_PARAM = 38,
2195        WLAN_STATUS_CHANGE_TSPEC = 39,
2196        WLAN_STATUS_WAIT_TS_DELAY = 47,
2197        WLAN_STATUS_NO_DIRECT_LINK = 48,
2198        WLAN_STATUS_STA_NOT_PRESENT = 49,
2199        WLAN_STATUS_STA_NOT_QSTA = 50,
2200        /* 802.11s */
2201        WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2202        WLAN_STATUS_FCG_NOT_SUPP = 78,
2203        WLAN_STATUS_STA_NO_TBTT = 78,
2204        /* 802.11ad */
2205        WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2206        WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2207        WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2208        WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2209        WLAN_STATUS_PERFORMING_FST_NOW = 87,
2210        WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2211        WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2212        WLAN_STATUS_REJECT_DSE_BAND = 96,
2213        WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2214        WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2215        /* 802.11ai */
2216        WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2217        WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2218};
2219
2220
2221/* Reason codes */
2222enum ieee80211_reasoncode {
2223        WLAN_REASON_UNSPECIFIED = 1,
2224        WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2225        WLAN_REASON_DEAUTH_LEAVING = 3,
2226        WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2227        WLAN_REASON_DISASSOC_AP_BUSY = 5,
2228        WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2229        WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2230        WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2231        WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2232        /* 802.11h */
2233        WLAN_REASON_DISASSOC_BAD_POWER = 10,
2234        WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2235        /* 802.11i */
2236        WLAN_REASON_INVALID_IE = 13,
2237        WLAN_REASON_MIC_FAILURE = 14,
2238        WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2239        WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2240        WLAN_REASON_IE_DIFFERENT = 17,
2241        WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2242        WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2243        WLAN_REASON_INVALID_AKMP = 20,
2244        WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2245        WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2246        WLAN_REASON_IEEE8021X_FAILED = 23,
2247        WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2248        /* TDLS (802.11z) */
2249        WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2250        WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2251        /* 802.11e */
2252        WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2253        WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2254        WLAN_REASON_DISASSOC_LOW_ACK = 34,
2255        WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2256        WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2257        WLAN_REASON_QSTA_NOT_USE = 37,
2258        WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2259        WLAN_REASON_QSTA_TIMEOUT = 39,
2260        WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2261        /* 802.11s */
2262        WLAN_REASON_MESH_PEER_CANCELED = 52,
2263        WLAN_REASON_MESH_MAX_PEERS = 53,
2264        WLAN_REASON_MESH_CONFIG = 54,
2265        WLAN_REASON_MESH_CLOSE = 55,
2266        WLAN_REASON_MESH_MAX_RETRIES = 56,
2267        WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2268        WLAN_REASON_MESH_INVALID_GTK = 58,
2269        WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2270        WLAN_REASON_MESH_INVALID_SECURITY = 60,
2271        WLAN_REASON_MESH_PATH_ERROR = 61,
2272        WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2273        WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2274        WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2275        WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2276        WLAN_REASON_MESH_CHAN = 66,
2277};
2278
2279
2280/* Information Element IDs */
2281enum ieee80211_eid {
2282        WLAN_EID_SSID = 0,
2283        WLAN_EID_SUPP_RATES = 1,
2284        WLAN_EID_FH_PARAMS = 2, /* reserved now */
2285        WLAN_EID_DS_PARAMS = 3,
2286        WLAN_EID_CF_PARAMS = 4,
2287        WLAN_EID_TIM = 5,
2288        WLAN_EID_IBSS_PARAMS = 6,
2289        WLAN_EID_COUNTRY = 7,
2290        /* 8, 9 reserved */
2291        WLAN_EID_REQUEST = 10,
2292        WLAN_EID_QBSS_LOAD = 11,
2293        WLAN_EID_EDCA_PARAM_SET = 12,
2294        WLAN_EID_TSPEC = 13,
2295        WLAN_EID_TCLAS = 14,
2296        WLAN_EID_SCHEDULE = 15,
2297        WLAN_EID_CHALLENGE = 16,
2298        /* 17-31 reserved for challenge text extension */
2299        WLAN_EID_PWR_CONSTRAINT = 32,
2300        WLAN_EID_PWR_CAPABILITY = 33,
2301        WLAN_EID_TPC_REQUEST = 34,
2302        WLAN_EID_TPC_REPORT = 35,
2303        WLAN_EID_SUPPORTED_CHANNELS = 36,
2304        WLAN_EID_CHANNEL_SWITCH = 37,
2305        WLAN_EID_MEASURE_REQUEST = 38,
2306        WLAN_EID_MEASURE_REPORT = 39,
2307        WLAN_EID_QUIET = 40,
2308        WLAN_EID_IBSS_DFS = 41,
2309        WLAN_EID_ERP_INFO = 42,
2310        WLAN_EID_TS_DELAY = 43,
2311        WLAN_EID_TCLAS_PROCESSING = 44,
2312        WLAN_EID_HT_CAPABILITY = 45,
2313        WLAN_EID_QOS_CAPA = 46,
2314        /* 47 reserved for Broadcom */
2315        WLAN_EID_RSN = 48,
2316        WLAN_EID_802_15_COEX = 49,
2317        WLAN_EID_EXT_SUPP_RATES = 50,
2318        WLAN_EID_AP_CHAN_REPORT = 51,
2319        WLAN_EID_NEIGHBOR_REPORT = 52,
2320        WLAN_EID_RCPI = 53,
2321        WLAN_EID_MOBILITY_DOMAIN = 54,
2322        WLAN_EID_FAST_BSS_TRANSITION = 55,
2323        WLAN_EID_TIMEOUT_INTERVAL = 56,
2324        WLAN_EID_RIC_DATA = 57,
2325        WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2326        WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2327        WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2328        WLAN_EID_HT_OPERATION = 61,
2329        WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2330        WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2331        WLAN_EID_ANTENNA_INFO = 64,
2332        WLAN_EID_RSNI = 65,
2333        WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2334        WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2335        WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2336        WLAN_EID_TIME_ADVERTISEMENT = 69,
2337        WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2338        WLAN_EID_MULTIPLE_BSSID = 71,
2339        WLAN_EID_BSS_COEX_2040 = 72,
2340        WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2341        WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2342        WLAN_EID_RIC_DESCRIPTOR = 75,
2343        WLAN_EID_MMIE = 76,
2344        WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2345        WLAN_EID_EVENT_REQUEST = 78,
2346        WLAN_EID_EVENT_REPORT = 79,
2347        WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2348        WLAN_EID_DIAGNOSTIC_REPORT = 81,
2349        WLAN_EID_LOCATION_PARAMS = 82,
2350        WLAN_EID_NON_TX_BSSID_CAP =  83,
2351        WLAN_EID_SSID_LIST = 84,
2352        WLAN_EID_MULTI_BSSID_IDX = 85,
2353        WLAN_EID_FMS_DESCRIPTOR = 86,
2354        WLAN_EID_FMS_REQUEST = 87,
2355        WLAN_EID_FMS_RESPONSE = 88,
2356        WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2357        WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2358        WLAN_EID_TSF_REQUEST = 91,
2359        WLAN_EID_TSF_RESPOSNE = 92,
2360        WLAN_EID_WNM_SLEEP_MODE = 93,
2361        WLAN_EID_TIM_BCAST_REQ = 94,
2362        WLAN_EID_TIM_BCAST_RESP = 95,
2363        WLAN_EID_COLL_IF_REPORT = 96,
2364        WLAN_EID_CHANNEL_USAGE = 97,
2365        WLAN_EID_TIME_ZONE = 98,
2366        WLAN_EID_DMS_REQUEST = 99,
2367        WLAN_EID_DMS_RESPONSE = 100,
2368        WLAN_EID_LINK_ID = 101,
2369        WLAN_EID_WAKEUP_SCHEDUL = 102,
2370        /* 103 reserved */
2371        WLAN_EID_CHAN_SWITCH_TIMING = 104,
2372        WLAN_EID_PTI_CONTROL = 105,
2373        WLAN_EID_PU_BUFFER_STATUS = 106,
2374        WLAN_EID_INTERWORKING = 107,
2375        WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2376        WLAN_EID_EXPEDITED_BW_REQ = 109,
2377        WLAN_EID_QOS_MAP_SET = 110,
2378        WLAN_EID_ROAMING_CONSORTIUM = 111,
2379        WLAN_EID_EMERGENCY_ALERT = 112,
2380        WLAN_EID_MESH_CONFIG = 113,
2381        WLAN_EID_MESH_ID = 114,
2382        WLAN_EID_LINK_METRIC_REPORT = 115,
2383        WLAN_EID_CONGESTION_NOTIFICATION = 116,
2384        WLAN_EID_PEER_MGMT = 117,
2385        WLAN_EID_CHAN_SWITCH_PARAM = 118,
2386        WLAN_EID_MESH_AWAKE_WINDOW = 119,
2387        WLAN_EID_BEACON_TIMING = 120,
2388        WLAN_EID_MCCAOP_SETUP_REQ = 121,
2389        WLAN_EID_MCCAOP_SETUP_RESP = 122,
2390        WLAN_EID_MCCAOP_ADVERT = 123,
2391        WLAN_EID_MCCAOP_TEARDOWN = 124,
2392        WLAN_EID_GANN = 125,
2393        WLAN_EID_RANN = 126,
2394        WLAN_EID_EXT_CAPABILITY = 127,
2395        /* 128, 129 reserved for Agere */
2396        WLAN_EID_PREQ = 130,
2397        WLAN_EID_PREP = 131,
2398        WLAN_EID_PERR = 132,
2399        /* 133-136 reserved for Cisco */
2400        WLAN_EID_PXU = 137,
2401        WLAN_EID_PXUC = 138,
2402        WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2403        WLAN_EID_MIC = 140,
2404        WLAN_EID_DESTINATION_URI = 141,
2405        WLAN_EID_UAPSD_COEX = 142,
2406        WLAN_EID_WAKEUP_SCHEDULE = 143,
2407        WLAN_EID_EXT_SCHEDULE = 144,
2408        WLAN_EID_STA_AVAILABILITY = 145,
2409        WLAN_EID_DMG_TSPEC = 146,
2410        WLAN_EID_DMG_AT = 147,
2411        WLAN_EID_DMG_CAP = 148,
2412        /* 149 reserved for Cisco */
2413        WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2414        WLAN_EID_DMG_OPERATION = 151,
2415        WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2416        WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2417        WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2418        /* 155-156 reserved for Cisco */
2419        WLAN_EID_AWAKE_WINDOW = 157,
2420        WLAN_EID_MULTI_BAND = 158,
2421        WLAN_EID_ADDBA_EXT = 159,
2422        WLAN_EID_NEXT_PCP_LIST = 160,
2423        WLAN_EID_PCP_HANDOVER = 161,
2424        WLAN_EID_DMG_LINK_MARGIN = 162,
2425        WLAN_EID_SWITCHING_STREAM = 163,
2426        WLAN_EID_SESSION_TRANSITION = 164,
2427        WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2428        WLAN_EID_CLUSTER_REPORT = 166,
2429        WLAN_EID_RELAY_CAP = 167,
2430        WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2431        WLAN_EID_BEAM_LINK_MAINT = 169,
2432        WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2433        WLAN_EID_U_PID = 171,
2434        WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2435        /* 173 reserved for Symbol */
2436        WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2437        WLAN_EID_QUIET_PERIOD_REQ = 175,
2438        /* 176 reserved for Symbol */
2439        WLAN_EID_QUIET_PERIOD_RESP = 177,
2440        /* 178-179 reserved for Symbol */
2441        /* 180 reserved for ISO/IEC 20011 */
2442        WLAN_EID_EPAC_POLICY = 182,
2443        WLAN_EID_CLISTER_TIME_OFF = 183,
2444        WLAN_EID_INTER_AC_PRIO = 184,
2445        WLAN_EID_SCS_DESCRIPTOR = 185,
2446        WLAN_EID_QLOAD_REPORT = 186,
2447        WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2448        WLAN_EID_HL_STREAM_ID = 188,
2449        WLAN_EID_GCR_GROUP_ADDR = 189,
2450        WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2451        WLAN_EID_VHT_CAPABILITY = 191,
2452        WLAN_EID_VHT_OPERATION = 192,
2453        WLAN_EID_EXTENDED_BSS_LOAD = 193,
2454        WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2455        WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2456        WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2457        WLAN_EID_AID = 197,
2458        WLAN_EID_QUIET_CHANNEL = 198,
2459        WLAN_EID_OPMODE_NOTIF = 199,
2460
2461        WLAN_EID_VENDOR_SPECIFIC = 221,
2462        WLAN_EID_QOS_PARAMETER = 222,
2463        WLAN_EID_CAG_NUMBER = 237,
2464        WLAN_EID_AP_CSN = 239,
2465        WLAN_EID_FILS_INDICATION = 240,
2466        WLAN_EID_DILS = 241,
2467        WLAN_EID_FRAGMENT = 242,
2468        WLAN_EID_EXTENSION = 255
2469};
2470
2471/* Element ID Extensions for Element ID 255 */
2472enum ieee80211_eid_ext {
2473        WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2474        WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2475        WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2476        WLAN_EID_EXT_FILS_SESSION = 4,
2477        WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2478        WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2479        WLAN_EID_EXT_KEY_DELIVERY = 7,
2480        WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2481        WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2482        WLAN_EID_EXT_FILS_NONCE = 13,
2483        WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2484        WLAN_EID_EXT_HE_CAPABILITY = 35,
2485        WLAN_EID_EXT_HE_OPERATION = 36,
2486        WLAN_EID_EXT_UORA = 37,
2487        WLAN_EID_EXT_HE_MU_EDCA = 38,
2488        WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2489        WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2490        WLAN_EID_EXT_NON_INHERITANCE = 56,
2491};
2492
2493/* Action category code */
2494enum ieee80211_category {
2495        WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2496        WLAN_CATEGORY_QOS = 1,
2497        WLAN_CATEGORY_DLS = 2,
2498        WLAN_CATEGORY_BACK = 3,
2499        WLAN_CATEGORY_PUBLIC = 4,
2500        WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2501        WLAN_CATEGORY_HT = 7,
2502        WLAN_CATEGORY_SA_QUERY = 8,
2503        WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2504        WLAN_CATEGORY_WNM = 10,
2505        WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2506        WLAN_CATEGORY_TDLS = 12,
2507        WLAN_CATEGORY_MESH_ACTION = 13,
2508        WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2509        WLAN_CATEGORY_SELF_PROTECTED = 15,
2510        WLAN_CATEGORY_DMG = 16,
2511        WLAN_CATEGORY_WMM = 17,
2512        WLAN_CATEGORY_FST = 18,
2513        WLAN_CATEGORY_UNPROT_DMG = 20,
2514        WLAN_CATEGORY_VHT = 21,
2515        WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2516        WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2517};
2518
2519/* SPECTRUM_MGMT action code */
2520enum ieee80211_spectrum_mgmt_actioncode {
2521        WLAN_ACTION_SPCT_MSR_REQ = 0,
2522        WLAN_ACTION_SPCT_MSR_RPRT = 1,
2523        WLAN_ACTION_SPCT_TPC_REQ = 2,
2524        WLAN_ACTION_SPCT_TPC_RPRT = 3,
2525        WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2526};
2527
2528/* HT action codes */
2529enum ieee80211_ht_actioncode {
2530        WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2531        WLAN_HT_ACTION_SMPS = 1,
2532        WLAN_HT_ACTION_PSMP = 2,
2533        WLAN_HT_ACTION_PCO_PHASE = 3,
2534        WLAN_HT_ACTION_CSI = 4,
2535        WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2536        WLAN_HT_ACTION_COMPRESSED_BF = 6,
2537        WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2538};
2539
2540/* VHT action codes */
2541enum ieee80211_vht_actioncode {
2542        WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2543        WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2544        WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2545};
2546
2547/* Self Protected Action codes */
2548enum ieee80211_self_protected_actioncode {
2549        WLAN_SP_RESERVED = 0,
2550        WLAN_SP_MESH_PEERING_OPEN = 1,
2551        WLAN_SP_MESH_PEERING_CONFIRM = 2,
2552        WLAN_SP_MESH_PEERING_CLOSE = 3,
2553        WLAN_SP_MGK_INFORM = 4,
2554        WLAN_SP_MGK_ACK = 5,
2555};
2556
2557/* Mesh action codes */
2558enum ieee80211_mesh_actioncode {
2559        WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2560        WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2561        WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2562        WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2563        WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2564        WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2565        WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2566        WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2567        WLAN_MESH_ACTION_MCCA_TEARDOWN,
2568        WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2569        WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2570};
2571
2572/* Security key length */
2573enum ieee80211_key_len {
2574        WLAN_KEY_LEN_WEP40 = 5,
2575        WLAN_KEY_LEN_WEP104 = 13,
2576        WLAN_KEY_LEN_CCMP = 16,
2577        WLAN_KEY_LEN_CCMP_256 = 32,
2578        WLAN_KEY_LEN_TKIP = 32,
2579        WLAN_KEY_LEN_AES_CMAC = 16,
2580        WLAN_KEY_LEN_SMS4 = 32,
2581        WLAN_KEY_LEN_GCMP = 16,
2582        WLAN_KEY_LEN_GCMP_256 = 32,
2583        WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2584        WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2585        WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2586};
2587
2588#define IEEE80211_WEP_IV_LEN            4
2589#define IEEE80211_WEP_ICV_LEN           4
2590#define IEEE80211_CCMP_HDR_LEN          8
2591#define IEEE80211_CCMP_MIC_LEN          8
2592#define IEEE80211_CCMP_PN_LEN           6
2593#define IEEE80211_CCMP_256_HDR_LEN      8
2594#define IEEE80211_CCMP_256_MIC_LEN      16
2595#define IEEE80211_CCMP_256_PN_LEN       6
2596#define IEEE80211_TKIP_IV_LEN           8
2597#define IEEE80211_TKIP_ICV_LEN          4
2598#define IEEE80211_CMAC_PN_LEN           6
2599#define IEEE80211_GMAC_PN_LEN           6
2600#define IEEE80211_GCMP_HDR_LEN          8
2601#define IEEE80211_GCMP_MIC_LEN          16
2602#define IEEE80211_GCMP_PN_LEN           6
2603
2604#define FILS_NONCE_LEN                  16
2605#define FILS_MAX_KEK_LEN                64
2606
2607#define FILS_ERP_MAX_USERNAME_LEN       16
2608#define FILS_ERP_MAX_REALM_LEN          253
2609#define FILS_ERP_MAX_RRK_LEN            64
2610
2611#define PMK_MAX_LEN                     64
2612#define SAE_PASSWORD_MAX_LEN            128
2613
2614/* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2615enum ieee80211_pub_actioncode {
2616        WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2617        WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2618        WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2619        WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2620        WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2621        WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2622        WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2623        WLAN_PUB_ACTION_MSMT_PILOT = 7,
2624        WLAN_PUB_ACTION_DSE_PC = 8,
2625        WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2626        WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2627        WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2628        WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2629        WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2630        WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2631        WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2632        WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2633        WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2634        WLAN_PUB_ACTION_QMF_POLICY = 18,
2635        WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2636        WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2637        WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2638        WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2639        WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2640        WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2641        WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2642        WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2643        WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2644        WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2645        WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2646        WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2647        WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2648        WLAN_PUB_ACTION_FTM_REQUEST = 32,
2649        WLAN_PUB_ACTION_FTM = 33,
2650        WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2651};
2652
2653/* TDLS action codes */
2654enum ieee80211_tdls_actioncode {
2655        WLAN_TDLS_SETUP_REQUEST = 0,
2656        WLAN_TDLS_SETUP_RESPONSE = 1,
2657        WLAN_TDLS_SETUP_CONFIRM = 2,
2658        WLAN_TDLS_TEARDOWN = 3,
2659        WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2660        WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2661        WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2662        WLAN_TDLS_PEER_PSM_REQUEST = 7,
2663        WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2664        WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2665        WLAN_TDLS_DISCOVERY_REQUEST = 10,
2666};
2667
2668/* Extended Channel Switching capability to be set in the 1st byte of
2669 * the @WLAN_EID_EXT_CAPABILITY information element
2670 */
2671#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2672
2673/* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2674 * @WLAN_EID_EXT_CAPABILITY information element
2675 */
2676#define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2677
2678/* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2679#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2680#define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2681#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2682
2683/* Interworking capabilities are set in 7th bit of 4th byte of the
2684 * @WLAN_EID_EXT_CAPABILITY information element
2685 */
2686#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2687
2688/*
2689 * TDLS capabililites to be enabled in the 5th byte of the
2690 * @WLAN_EID_EXT_CAPABILITY information element
2691 */
2692#define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2693#define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2694#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2695
2696#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2697#define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2698
2699/* Defines the maximal number of MSDUs in an A-MSDU. */
2700#define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2701#define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2702
2703/*
2704 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2705 * information element
2706 */
2707#define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2708
2709/* Defines support for TWT Requester and TWT Responder */
2710#define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2711#define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2712
2713/*
2714 * When set, indicates that the AP is able to tolerate 26-tone RU UL
2715 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2716 * 26-tone RU UL OFDMA transmissions as radar pulses).
2717 */
2718#define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2719
2720/* Defines support for enhanced multi-bssid advertisement*/
2721#define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2722
2723/* TDLS specific payload type in the LLC/SNAP header */
2724#define WLAN_TDLS_SNAP_RFTYPE   0x2
2725
2726/* BSS Coex IE information field bits */
2727#define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2728
2729/**
2730 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2731 *
2732 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2733 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2734 *      that will be specified in a vendor specific information element
2735 */
2736enum ieee80211_mesh_sync_method {
2737        IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2738        IEEE80211_SYNC_METHOD_VENDOR = 255,
2739};
2740
2741/**
2742 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2743 *
2744 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2745 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2746 *      be specified in a vendor specific information element
2747 */
2748enum ieee80211_mesh_path_protocol {
2749        IEEE80211_PATH_PROTOCOL_HWMP = 1,
2750        IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2751};
2752
2753/**
2754 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2755 *
2756 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2757 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2758 *      specified in a vendor specific information element
2759 */
2760enum ieee80211_mesh_path_metric {
2761        IEEE80211_PATH_METRIC_AIRTIME = 1,
2762        IEEE80211_PATH_METRIC_VENDOR = 255,
2763};
2764
2765/**
2766 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2767 *
2768 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2769 *
2770 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2771 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2772 *      this value
2773 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2774 *      the proactive PREQ with proactive PREP subfield set to 0
2775 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2776 *      supports the proactive PREQ with proactive PREP subfield set to 1
2777 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2778 *      the proactive RANN
2779 */
2780enum ieee80211_root_mode_identifier {
2781        IEEE80211_ROOTMODE_NO_ROOT = 0,
2782        IEEE80211_ROOTMODE_ROOT = 1,
2783        IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2784        IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2785        IEEE80211_PROACTIVE_RANN = 4,
2786};
2787
2788/*
2789 * IEEE 802.11-2007 7.3.2.9 Country information element
2790 *
2791 * Minimum length is 8 octets, ie len must be evenly
2792 * divisible by 2
2793 */
2794
2795/* Although the spec says 8 I'm seeing 6 in practice */
2796#define IEEE80211_COUNTRY_IE_MIN_LEN    6
2797
2798/* The Country String field of the element shall be 3 octets in length */
2799#define IEEE80211_COUNTRY_STRING_LEN    3
2800
2801/*
2802 * For regulatory extension stuff see IEEE 802.11-2007
2803 * Annex I (page 1141) and Annex J (page 1147). Also
2804 * review 7.3.2.9.
2805 *
2806 * When dot11RegulatoryClassesRequired is true and the
2807 * first_channel/reg_extension_id is >= 201 then the IE
2808 * compromises of the 'ext' struct represented below:
2809 *
2810 *  - Regulatory extension ID - when generating IE this just needs
2811 *    to be monotonically increasing for each triplet passed in
2812 *    the IE
2813 *  - Regulatory class - index into set of rules
2814 *  - Coverage class - index into air propagation time (Table 7-27),
2815 *    in microseconds, you can compute the air propagation time from
2816 *    the index by multiplying by 3, so index 10 yields a propagation
2817 *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2818 *    yet. A value of 0 inicates air propagation of <= 1 us.
2819 *
2820 *  See also Table I.2 for Emission limit sets and table
2821 *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2822 *  a reg_class to an emission limit set and behavior limit set.
2823 */
2824#define IEEE80211_COUNTRY_EXTENSION_ID 201
2825
2826/*
2827 *  Channels numbers in the IE must be monotonically increasing
2828 *  if dot11RegulatoryClassesRequired is not true.
2829 *
2830 *  If dot11RegulatoryClassesRequired is true consecutive
2831 *  subband triplets following a regulatory triplet shall
2832 *  have monotonically increasing first_channel number fields.
2833 *
2834 *  Channel numbers shall not overlap.
2835 *
2836 *  Note that max_power is signed.
2837 */
2838struct ieee80211_country_ie_triplet {
2839        union {
2840                struct {
2841                        u8 first_channel;
2842                        u8 num_channels;
2843                        s8 max_power;
2844                } __packed chans;
2845                struct {
2846                        u8 reg_extension_id;
2847                        u8 reg_class;
2848                        u8 coverage_class;
2849                } __packed ext;
2850        };
2851} __packed;
2852
2853enum ieee80211_timeout_interval_type {
2854        WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2855        WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2856        WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2857};
2858
2859/**
2860 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2861 * @type: type, see &enum ieee80211_timeout_interval_type
2862 * @value: timeout interval value
2863 */
2864struct ieee80211_timeout_interval_ie {
2865        u8 type;
2866        __le32 value;
2867} __packed;
2868
2869/**
2870 * enum ieee80211_idle_options - BSS idle options
2871 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2872 *      protected frame to the AP to reset the idle timer at the AP for
2873 *      the station.
2874 */
2875enum ieee80211_idle_options {
2876        WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2877};
2878
2879/**
2880 * struct ieee80211_bss_max_idle_period_ie
2881 *
2882 * This structure refers to "BSS Max idle period element"
2883 *
2884 * @max_idle_period: indicates the time period during which a station can
2885 *      refrain from transmitting frames to its associated AP without being
2886 *      disassociated. In units of 1000 TUs.
2887 * @idle_options: indicates the options associated with the BSS idle capability
2888 *      as specified in &enum ieee80211_idle_options.
2889 */
2890struct ieee80211_bss_max_idle_period_ie {
2891        __le16 max_idle_period;
2892        u8 idle_options;
2893} __packed;
2894
2895/* BACK action code */
2896enum ieee80211_back_actioncode {
2897        WLAN_ACTION_ADDBA_REQ = 0,
2898        WLAN_ACTION_ADDBA_RESP = 1,
2899        WLAN_ACTION_DELBA = 2,
2900};
2901
2902/* BACK (block-ack) parties */
2903enum ieee80211_back_parties {
2904        WLAN_BACK_RECIPIENT = 0,
2905        WLAN_BACK_INITIATOR = 1,
2906};
2907
2908/* SA Query action */
2909enum ieee80211_sa_query_action {
2910        WLAN_ACTION_SA_QUERY_REQUEST = 0,
2911        WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2912};
2913
2914/**
2915 * struct ieee80211_bssid_index
2916 *
2917 * This structure refers to "Multiple BSSID-index element"
2918 *
2919 * @bssid_index: BSSID index
2920 * @dtim_period: optional, overrides transmitted BSS dtim period
2921 * @dtim_count: optional, overrides transmitted BSS dtim count
2922 */
2923struct ieee80211_bssid_index {
2924        u8 bssid_index;
2925        u8 dtim_period;
2926        u8 dtim_count;
2927};
2928
2929/**
2930 * struct ieee80211_multiple_bssid_configuration
2931 *
2932 * This structure refers to "Multiple BSSID Configuration element"
2933 *
2934 * @bssid_count: total number of active BSSIDs in the set
2935 * @profile_periodicity: the least number of beacon frames need to be received
2936 *      in order to discover all the nontransmitted BSSIDs in the set.
2937 */
2938struct ieee80211_multiple_bssid_configuration {
2939        u8 bssid_count;
2940        u8 profile_periodicity;
2941};
2942
2943#define SUITE(oui, id)  (((oui) << 8) | (id))
2944
2945/* cipher suite selectors */
2946#define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2947#define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2948#define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2949/* reserved:                            SUITE(0x000FAC, 3) */
2950#define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2951#define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2952#define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2953#define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2954#define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2955#define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2956#define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2957#define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2958#define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2959
2960#define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2961
2962/* AKM suite selectors */
2963#define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2964#define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2965#define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2966#define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2967#define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2968#define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2969#define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2970#define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2971#define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2972#define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2973#define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2974#define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2975#define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2976#define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2977#define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2978
2979#define WLAN_MAX_KEY_LEN                32
2980
2981#define WLAN_PMK_NAME_LEN               16
2982#define WLAN_PMKID_LEN                  16
2983#define WLAN_PMK_LEN_EAP_LEAP           16
2984#define WLAN_PMK_LEN                    32
2985#define WLAN_PMK_LEN_SUITE_B_192        48
2986
2987#define WLAN_OUI_WFA                    0x506f9a
2988#define WLAN_OUI_TYPE_WFA_P2P           9
2989#define WLAN_OUI_MICROSOFT              0x0050f2
2990#define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2991#define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2992#define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2993#define WLAN_OUI_TYPE_MICROSOFT_TPC     8
2994
2995/*
2996 * WMM/802.11e Tspec Element
2997 */
2998#define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2999#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3000

3001enum ieee80211_tspec_status_code {
3002        IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3003        IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3004};
3005
3006struct ieee80211_tspec_ie {
3007        u8 element_id;
3008        u8 len;
3009        u8 oui[3];
3010        u8 oui_type;
3011        u8 oui_subtype;
3012        u8 version;
3013        __le16 tsinfo;
3014        u8 tsinfo_resvd;
3015        __le16 nominal_msdu;
3016        __le16 max_msdu;
3017        __le32 min_service_int;
3018        __le32 max_service_int;
3019        __le32 inactivity_int;
3020        __le32 suspension_int;
3021        __le32 service_start_time;
3022        __le32 min_data_rate;
3023        __le32 mean_data_rate;
3024        __le32 peak_data_rate;
3025        __le32 max_burst_size;
3026        __le32 delay_bound;
3027        __le32 min_phy_rate;
3028        __le16 sba;
3029        __le16 medium_time;
3030} __packed;
3031
3032/**
3033 * ieee80211_get_qos_ctl - get pointer to qos control bytes
3034 * @hdr: the frame
3035 *
3036 * The qos ctrl bytes come after the frame_control, duration, seq_num
3037 * and 3 or 4 addresses of length ETH_ALEN.
3038 * 3 addr: 2 + 2 + 2 + 3*6 = 24
3039 * 4 addr: 2 + 2 + 2 + 4*6 = 30
3040 */
3041static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3042{
3043        if (ieee80211_has_a4(hdr->frame_control))
3044                return (u8 *)hdr + 30;
3045        else
3046                return (u8 *)hdr + 24;
3047}
3048
3049/**
3050 * ieee80211_get_tid - get qos TID
3051 * @hdr: the frame
3052 */
3053static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3054{
3055        u8 *qc = ieee80211_get_qos_ctl(hdr);
3056
3057        return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3058}
3059
3060/**
3061 * ieee80211_get_SA - get pointer to SA
3062 * @hdr: the frame
3063 *
3064 * Given an 802.11 frame, this function returns the offset
3065 * to the source address (SA). It does not verify that the
3066 * header is long enough to contain the address, and the
3067 * header must be long enough to contain the frame control
3068 * field.
3069 */
3070static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3071{
3072        if (ieee80211_has_a4(hdr->frame_control))
3073                return hdr->addr4;
3074        if (ieee80211_has_fromds(hdr->frame_control))
3075                return hdr->addr3;
3076        return hdr->addr2;
3077}
3078
3079/**
3080 * ieee80211_get_DA - get pointer to DA
3081 * @hdr: the frame
3082 *
3083 * Given an 802.11 frame, this function returns the offset
3084 * to the destination address (DA). It does not verify that
3085 * the header is long enough to contain the address, and the
3086 * header must be long enough to contain the frame control
3087 * field.
3088 */
3089static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3090{
3091        if (ieee80211_has_tods(hdr->frame_control))
3092                return hdr->addr3;
3093        else
3094                return hdr->addr1;
3095}
3096
3097/**
3098 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3099 * @hdr: the frame (buffer must include at least the first octet of payload)
3100 */
3101static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3102{
3103        if (ieee80211_is_disassoc(hdr->frame_control) ||
3104            ieee80211_is_deauth(hdr->frame_control))
3105                return true;
3106
3107        if (ieee80211_is_action(hdr->frame_control)) {
3108                u8 *category;
3109
3110                /*
3111                 * Action frames, excluding Public Action frames, are Robust
3112                 * Management Frames. However, if we are looking at a Protected
3113                 * frame, skip the check since the data may be encrypted and
3114                 * the frame has already been found to be a Robust Management
3115                 * Frame (by the other end).
3116                 */
3117                if (ieee80211_has_protected(hdr->frame_control))
3118                        return true;
3119                category = ((u8 *) hdr) + 24;
3120                return *category != WLAN_CATEGORY_PUBLIC &&
3121                        *category != WLAN_CATEGORY_HT &&
3122                        *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3123                        *category != WLAN_CATEGORY_SELF_PROTECTED &&
3124                        *category != WLAN_CATEGORY_UNPROT_DMG &&
3125                        *category != WLAN_CATEGORY_VHT &&
3126                        *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3127        }
3128
3129        return false;
3130}
3131
3132/**
3133 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3134 * @skb: the skb containing the frame, length will be checked
3135 */
3136static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3137{
3138        if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3139                return false;
3140        return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3141}
3142
3143/**
3144 * ieee80211_is_public_action - check if frame is a public action frame
3145 * @hdr: the frame
3146 * @len: length of the frame
3147 */
3148static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3149                                              size_t len)
3150{
3151        struct ieee80211_mgmt *mgmt = (void *)hdr;
3152
3153        if (len < IEEE80211_MIN_ACTION_SIZE)
3154                return false;
3155        if (!ieee80211_is_action(hdr->frame_control))
3156                return false;
3157        return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3158}
3159
3160/**
3161 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3162 * privacy action frame
3163 * @hdr: the frame
3164 */
3165static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3166{
3167        struct ieee80211_mgmt *mgmt = (void *)hdr;
3168
3169        if (!ieee80211_is_action(hdr->frame_control) ||
3170            !is_multicast_ether_addr(hdr->addr1))
3171                return false;
3172
3173        return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3174               mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3175}
3176
3177/**
3178 * ieee80211_is_group_privacy_action - check if frame is a group addressed
3179 * privacy action frame
3180 * @skb: the skb containing the frame, length will be checked
3181 */
3182static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3183{
3184        if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3185                return false;
3186        return _ieee80211_is_group_privacy_action((void *)skb->data);
3187}
3188
3189/**
3190 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3191 * @tu: the TUs
3192 */
3193static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3194{
3195        return 1024 * tu;
3196}
3197
3198/**
3199 * ieee80211_check_tim - check if AID bit is set in TIM
3200 * @tim: the TIM IE
3201 * @tim_len: length of the TIM IE
3202 * @aid: the AID to look for
3203 */
3204static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3205                                       u8 tim_len, u16 aid)
3206{
3207        u8 mask;
3208        u8 index, indexn1, indexn2;
3209
3210        if (unlikely(!tim || tim_len < sizeof(*tim)))
3211                return false;
3212
3213        aid &= 0x3fff;
3214        index = aid / 8;
3215        mask  = 1 << (aid & 7);
3216
3217        indexn1 = tim->bitmap_ctrl & 0xfe;
3218        indexn2 = tim_len + indexn1 - 4;
3219
3220        if (index < indexn1 || index > indexn2)
3221                return false;
3222
3223        index -= indexn1;
3224
3225        return !!(tim->virtual_map[index] & mask);
3226}
3227
3228/**
3229 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3230 * @skb: the skb containing the frame, length will not be checked
3231 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3232 *
3233 * This function assumes the frame is a data frame, and that the network header
3234 * is in the correct place.
3235 */
3236static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3237{
3238        if (!skb_is_nonlinear(skb) &&
3239            skb->len > (skb_network_offset(skb) + 2)) {
3240                /* Point to where the indication of TDLS should start */
3241                const u8 *tdls_data = skb_network_header(skb) - 2;
3242
3243                if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3244                    tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3245                    tdls_data[3] == WLAN_CATEGORY_TDLS)
3246                        return tdls_data[4];
3247        }
3248
3249        return -1;
3250}
3251
3252/* convert time units */
3253#define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
3254#define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
3255
3256/**
3257 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3258 * @skb: the skb containing the frame, length will be checked
3259 *
3260 * This function checks if it's either TPC report action frame or Link
3261 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3262 * and 8.5.7.5 accordingly.
3263 */
3264static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3265{
3266        struct ieee80211_mgmt *mgmt = (void *)skb->data;
3267
3268        if (!ieee80211_is_action(mgmt->frame_control))
3269                return false;
3270
3271        if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3272                       sizeof(mgmt->u.action.u.tpc_report))
3273                return false;
3274
3275        /*
3276         * TPC report - check that:
3277         * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3278         * spectrum management action = 3 (TPC/Link Measurement report)
3279         * TPC report EID = 35
3280         * TPC report element length = 2
3281         *
3282         * The spectrum management's tpc_report struct is used here both for
3283         * parsing tpc_report and radio measurement's link measurement report
3284         * frame, since the relevant part is identical in both frames.
3285         */
3286        if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3287            mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3288                return false;
3289
3290        /* both spectrum mgmt and link measurement have same action code */
3291        if (mgmt->u.action.u.tpc_report.action_code !=
3292            WLAN_ACTION_SPCT_TPC_RPRT)
3293                return false;
3294
3295        if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3296            mgmt->u.action.u.tpc_report.tpc_elem_length !=
3297            sizeof(struct ieee80211_tpc_report_ie))
3298                return false;
3299
3300        return true;
3301}
3302
3303struct element {
3304        u8 id;
3305        u8 datalen;
3306        u8 data[];
3307} __packed;
3308
3309/* element iteration helpers */
3310#define for_each_element(_elem, _data, _datalen)                        \
3311        for (_elem = (const struct element *)(_data);                   \
3312             (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3313                (int)sizeof(*_elem) &&                                  \
3314             (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3315                (int)sizeof(*_elem) + _elem->datalen;                   \
3316             _elem = (const struct element *)(_elem->data + _elem->datalen))
3317
3318#define for_each_element_id(element, _id, data, datalen)                \
3319        for_each_element(element, data, datalen)                        \
3320                if (element->id == (_id))
3321
3322#define for_each_element_extid(element, extid, _data, _datalen)         \
3323        for_each_element(element, _data, _datalen)                      \
3324                if (element->id == WLAN_EID_EXTENSION &&                \
3325                    element->datalen > 0 &&                             \
3326                    element->data[0] == (extid))
3327
3328#define for_each_subelement(sub, element)                               \
3329        for_each_element(sub, (element)->data, (element)->datalen)
3330
3331#define for_each_subelement_id(sub, id, element)                        \
3332        for_each_element_id(sub, id, (element)->data, (element)->datalen)
3333
3334#define for_each_subelement_extid(sub, extid, element)                  \
3335        for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3336
3337/**
3338 * for_each_element_completed - determine if element parsing consumed all data
3339 * @element: element pointer after for_each_element() or friends
3340 * @data: same data pointer as passed to for_each_element() or friends
3341 * @datalen: same data length as passed to for_each_element() or friends
3342 *
3343 * This function returns %true if all the data was parsed or considered
3344 * while walking the elements. Only use this if your for_each_element()
3345 * loop cannot be broken out of, otherwise it always returns %false.
3346 *
3347 * If some data was malformed, this returns %false since the last parsed
3348 * element will not fill the whole remaining data.
3349 */
3350static inline bool for_each_element_completed(const struct element *element,
3351                                              const void *data, size_t datalen)
3352{
3353        return (const u8 *)element == (const u8 *)data + datalen;
3354}
3355
3356#endif /* LINUX_IEEE80211_H */
3357