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 /*
  19  * DS bit usage
  20  *
  21  * TA = transmitter address
  22  * RA = receiver address
  23  * DA = destination address
  24  * SA = source address
  25  *
  26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  27  * -----------------------------------------------------------------
  28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  29  *  0       1       DA      BSSID   SA      -       AP -> STA
  30  *  1       0       BSSID   SA      DA      -       AP <- STA
  31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  32  */
  33
  34 #define FCS_LEN 4
  35
  36 #define IEEE80211_FCTL_VERS             0x0003
  37 #define IEEE80211_FCTL_FTYPE            0x000c
  38 #define IEEE80211_FCTL_STYPE            0x00f0
  39 #define IEEE80211_FCTL_TODS             0x0100
  40 #define IEEE80211_FCTL_FROMDS           0x0200
  41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  42 #define IEEE80211_FCTL_RETRY            0x0800
  43 #define IEEE80211_FCTL_PM               0x1000
  44 #define IEEE80211_FCTL_MOREDATA         0x2000
  45 #define IEEE80211_FCTL_PROTECTED        0x4000
  46 #define IEEE80211_FCTL_ORDER            0x8000
  47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  48
  49 #define IEEE80211_SCTL_FRAG             0x000F
  50 #define IEEE80211_SCTL_SEQ              0xFFF0
  51
  52 #define IEEE80211_FTYPE_MGMT            0x0000
  53 #define IEEE80211_FTYPE_CTL             0x0004
  54 #define IEEE80211_FTYPE_DATA            0x0008
  55 #define IEEE80211_FTYPE_EXT             0x000c
  56
  57 /* management */
  58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  64 #define IEEE80211_STYPE_BEACON          0x0080
  65 #define IEEE80211_STYPE_ATIM            0x0090
  66 #define IEEE80211_STYPE_DISASSOC        0x00A0
  67 #define IEEE80211_STYPE_AUTH            0x00B0
  68 #define IEEE80211_STYPE_DEAUTH          0x00C0
  69 #define IEEE80211_STYPE_ACTION          0x00D0
  70
  71 /* control */
  72 #define IEEE80211_STYPE_CTL_EXT         0x0060
  73 #define IEEE80211_STYPE_BACK_REQ        0x0080
  74 #define IEEE80211_STYPE_BACK            0x0090
  75 #define IEEE80211_STYPE_PSPOLL          0x00A0
  76 #define IEEE80211_STYPE_RTS             0x00B0
  77 #define IEEE80211_STYPE_CTS             0x00C0
  78 #define IEEE80211_STYPE_ACK             0x00D0
  79 #define IEEE80211_STYPE_CFEND           0x00E0
  80 #define IEEE80211_STYPE_CFENDACK        0x00F0
  81
  82 /* data */
  83 #define IEEE80211_STYPE_DATA                    0x0000
  84 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  85 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  86 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  87 #define IEEE80211_STYPE_NULLFUNC                0x0040
  88 #define IEEE80211_STYPE_CFACK                   0x0050
  89 #define IEEE80211_STYPE_CFPOLL                  0x0060
  90 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  91 #define IEEE80211_STYPE_QOS_DATA                0x0080
  92 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  95 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  96 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  97 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  98 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
  99
 100 /* extension, added by 802.11ad */
 101 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 102
 103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 104 #define IEEE80211_CTL_EXT_POLL          0x2000
 105 #define IEEE80211_CTL_EXT_SPR           0x3000
 106 #define IEEE80211_CTL_EXT_GRANT 0x4000
 107 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 108 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 109 #define IEEE80211_CTL_EXT_SSW           0x8000
 110 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 111 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 112
 113
 114 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 115 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 116 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 117
 118 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 119 {
 120         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 121 }
 122
 123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 124 {
 125         return (sn1 + sn2) & IEEE80211_SN_MASK;
 126 }
 127
 128 static inline u16 ieee80211_sn_inc(u16 sn)
 129 {
 130         return ieee80211_sn_add(sn, 1);
 131 }
 132
 133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 134 {
 135         return (sn1 - sn2) & IEEE80211_SN_MASK;
 136 }
 137
 138 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 139 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 140
 141 /* miscellaneous IEEE 802.11 constants */
 142 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 143 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 144 #define IEEE80211_MAX_AID               2007
 145 #define IEEE80211_MAX_TIM_LEN           251
 146 #define IEEE80211_MAX_MESH_PEERINGS     63
 147 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 148    6.2.1.1.2.
 149
 150    802.11e clarifies the figure in section 7.1.2. The frame body is
 151    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 152 #define IEEE80211_MAX_DATA_LEN          2304
 153 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 154  * to 7920 bytes, see 8.2.3 General frame format
 155  */
 156 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 157 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 158 #define IEEE80211_MAX_FRAME_LEN         2352
 159
 160 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 161 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 162
 163 /* Maximal size of an A-MSDU */
 164 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 165 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 166
 167 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 168 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 169 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 170
 171 #define IEEE80211_MAX_SSID_LEN          32
 172
 173 #define IEEE80211_MAX_MESH_ID_LEN       32
 174
 175 #define IEEE80211_FIRST_TSPEC_TSID      8
 176 #define IEEE80211_NUM_TIDS              16
 177
 178 /* number of user priorities 802.11 uses */
 179 #define IEEE80211_NUM_UPS               8
 180 /* number of ACs */
 181 #define IEEE80211_NUM_ACS               4
 182
 183 #define IEEE80211_QOS_CTL_LEN           2
 184 /* 1d tag mask */
 185 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 186 /* TID mask */
 187 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 188 /* EOSP */
 189 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 190 /* ACK policy */
 191 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 192 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 193 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 194 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 195 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 196 /* A-MSDU 802.11n */
 197 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 198 /* Mesh Control 802.11s */
 199 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 200
 201 /* U-APSD queue for WMM IEs sent by AP */
 202 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 203 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 204
 205 /* U-APSD queues for WMM IEs sent by STA */
 206 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 207 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 208 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 209 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 210 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 211
 212 /* U-APSD max SP length for WMM IEs sent by STA */
 213 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 214 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 215 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 216 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 219
 220 #define IEEE80211_HT_CTL_LEN            4
 221
 222 struct ieee80211_hdr {
 223         __le16 frame_control;
 224         __le16 duration_id;
 225         u8 addr1[6];
 226         u8 addr2[6];
 227         u8 addr3[6];
 228         __le16 seq_ctrl;
 229         u8 addr4[6];
 230 } __packed __aligned(2);
 231
 232 struct ieee80211_hdr_3addr {
 233         __le16 frame_control;
 234         __le16 duration_id;
 235         u8 addr1[6];
 236         u8 addr2[6];
 237         u8 addr3[6];
 238         __le16 seq_ctrl;
 239 } __packed __aligned(2);
 240
 241 struct ieee80211_qos_hdr {
 242         __le16 frame_control;
 243         __le16 duration_id;
 244         u8 addr1[6];
 245         u8 addr2[6];
 246         u8 addr3[6];
 247         __le16 seq_ctrl;
 248         __le16 qos_ctrl;
 249 } __packed __aligned(2);
 250
 251 /**
 252  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 253  * @fc: frame control bytes in little-endian byteorder
 254  */
 255 static inline bool ieee80211_has_tods(__le16 fc)
 256 {
 257         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 258 }
 259
 260 /**
 261  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 262  * @fc: frame control bytes in little-endian byteorder
 263  */
 264 static inline bool ieee80211_has_fromds(__le16 fc)
 265 {
 266         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 267 }
 268
 269 /**
 270  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 271  * @fc: frame control bytes in little-endian byteorder
 272  */
 273 static inline bool ieee80211_has_a4(__le16 fc)
 274 {
 275         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 276         return (fc & tmp) == tmp;
 277 }
 278
 279 /**
 280  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 281  * @fc: frame control bytes in little-endian byteorder
 282  */
 283 static inline bool ieee80211_has_morefrags(__le16 fc)
 284 {
 285         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 286 }
 287
 288 /**
 289  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 290  * @fc: frame control bytes in little-endian byteorder
 291  */
 292 static inline bool ieee80211_has_retry(__le16 fc)
 293 {
 294         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 295 }
 296
 297 /**
 298  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 299  * @fc: frame control bytes in little-endian byteorder
 300  */
 301 static inline bool ieee80211_has_pm(__le16 fc)
 302 {
 303         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 304 }
 305
 306 /**
 307  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 308  * @fc: frame control bytes in little-endian byteorder
 309  */
 310 static inline bool ieee80211_has_moredata(__le16 fc)
 311 {
 312         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 313 }
 314
 315 /**
 316  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 317  * @fc: frame control bytes in little-endian byteorder
 318  */
 319 static inline bool ieee80211_has_protected(__le16 fc)
 320 {
 321         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 322 }
 323
 324 /**
 325  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 326  * @fc: frame control bytes in little-endian byteorder
 327  */
 328 static inline bool ieee80211_has_order(__le16 fc)
 329 {
 330         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 331 }
 332
 333 /**
 334  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 335  * @fc: frame control bytes in little-endian byteorder
 336  */
 337 static inline bool ieee80211_is_mgmt(__le16 fc)
 338 {
 339         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 340                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 341 }
 342
 343 /**
 344  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 345  * @fc: frame control bytes in little-endian byteorder
 346  */
 347 static inline bool ieee80211_is_ctl(__le16 fc)
 348 {
 349         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 350                cpu_to_le16(IEEE80211_FTYPE_CTL);
 351 }
 352
 353 /**
 354  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 355  * @fc: frame control bytes in little-endian byteorder
 356  */
 357 static inline bool ieee80211_is_data(__le16 fc)
 358 {
 359         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 360                cpu_to_le16(IEEE80211_FTYPE_DATA);
 361 }
 362
 363 /**
 364  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 365  * @fc: frame control bytes in little-endian byteorder
 366  */
 367 static inline bool ieee80211_is_data_qos(__le16 fc)
 368 {
 369         /*
 370          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 371          * to check the one bit
 372          */
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 374                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 375 }
 376
 377 /**
 378  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_is_data_present(__le16 fc)
 382 {
 383         /*
 384          * mask with 0x40 and test that that bit is clear to only return true
 385          * for the data-containing substypes.
 386          */
 387         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 388                cpu_to_le16(IEEE80211_FTYPE_DATA);
 389 }
 390
 391 /**
 392  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_is_assoc_req(__le16 fc)
 396 {
 397         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 398                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 399 }
 400
 401 /**
 402  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 403  * @fc: frame control bytes in little-endian byteorder
 404  */
 405 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 406 {
 407         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 408                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 409 }
 410
 411 /**
 412  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 413  * @fc: frame control bytes in little-endian byteorder
 414  */
 415 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 416 {
 417         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 418                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 419 }
 420
 421 /**
 422  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 423  * @fc: frame control bytes in little-endian byteorder
 424  */
 425 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 426 {
 427         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 428                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 429 }
 430
 431 /**
 432  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 433  * @fc: frame control bytes in little-endian byteorder
 434  */
 435 static inline bool ieee80211_is_probe_req(__le16 fc)
 436 {
 437         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 438                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 439 }
 440
 441 /**
 442  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 443  * @fc: frame control bytes in little-endian byteorder
 444  */
 445 static inline bool ieee80211_is_probe_resp(__le16 fc)
 446 {
 447         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 448                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 449 }
 450
 451 /**
 452  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 453  * @fc: frame control bytes in little-endian byteorder
 454  */
 455 static inline bool ieee80211_is_beacon(__le16 fc)
 456 {
 457         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 458                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 459 }
 460
 461 /**
 462  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 463  * @fc: frame control bytes in little-endian byteorder
 464  */
 465 static inline bool ieee80211_is_atim(__le16 fc)
 466 {
 467         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 468                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 469 }
 470
 471 /**
 472  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 473  * @fc: frame control bytes in little-endian byteorder
 474  */
 475 static inline bool ieee80211_is_disassoc(__le16 fc)
 476 {
 477         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 478                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 479 }
 480
 481 /**
 482  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 483  * @fc: frame control bytes in little-endian byteorder
 484  */
 485 static inline bool ieee80211_is_auth(__le16 fc)
 486 {
 487         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 488                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 489 }
 490
 491 /**
 492  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 493  * @fc: frame control bytes in little-endian byteorder
 494  */
 495 static inline bool ieee80211_is_deauth(__le16 fc)
 496 {
 497         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 498                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 499 }
 500
 501 /**
 502  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 503  * @fc: frame control bytes in little-endian byteorder
 504  */
 505 static inline bool ieee80211_is_action(__le16 fc)
 506 {
 507         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 508                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 509 }
 510
 511 /**
 512  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 513  * @fc: frame control bytes in little-endian byteorder
 514  */
 515 static inline bool ieee80211_is_back_req(__le16 fc)
 516 {
 517         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 518                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 519 }
 520
 521 /**
 522  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 523  * @fc: frame control bytes in little-endian byteorder
 524  */
 525 static inline bool ieee80211_is_back(__le16 fc)
 526 {
 527         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 528                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 529 }
 530
 531 /**
 532  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 533  * @fc: frame control bytes in little-endian byteorder
 534  */
 535 static inline bool ieee80211_is_pspoll(__le16 fc)
 536 {
 537         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 538                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 539 }
 540
 541 /**
 542  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 543  * @fc: frame control bytes in little-endian byteorder
 544  */
 545 static inline bool ieee80211_is_rts(__le16 fc)
 546 {
 547         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 548                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 549 }
 550
 551 /**
 552  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 553  * @fc: frame control bytes in little-endian byteorder
 554  */
 555 static inline bool ieee80211_is_cts(__le16 fc)
 556 {
 557         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 558                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 559 }
 560
 561 /**
 562  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 563  * @fc: frame control bytes in little-endian byteorder
 564  */
 565 static inline bool ieee80211_is_ack(__le16 fc)
 566 {
 567         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 568                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 569 }
 570
 571 /**
 572  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 573  * @fc: frame control bytes in little-endian byteorder
 574  */
 575 static inline bool ieee80211_is_cfend(__le16 fc)
 576 {
 577         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 578                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 579 }
 580
 581 /**
 582  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 583  * @fc: frame control bytes in little-endian byteorder
 584  */
 585 static inline bool ieee80211_is_cfendack(__le16 fc)
 586 {
 587         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 588                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 589 }
 590
 591 /**
 592  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 593  * @fc: frame control bytes in little-endian byteorder
 594  */
 595 static inline bool ieee80211_is_nullfunc(__le16 fc)
 596 {
 597         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 598                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 599 }
 600
 601 /**
 602  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 603  * @fc: frame control bytes in little-endian byteorder
 604  */
 605 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 606 {
 607         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 608                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 609 }
 610
 611 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 612 {
 613         unsigned int hdrlen = 24;
 614
 615         if (ieee80211_has_a4(fc))
 616                 hdrlen = 30;
 617
 618         if (ieee80211_is_data_qos(fc)) {
 619                 hdrlen += IEEE80211_QOS_CTL_LEN;
 620                 if (ieee80211_has_order(fc))
 621                         hdrlen += IEEE80211_HT_CTL_LEN;
 622         }
 623
 624         return hdrlen;
 625 }
 626
 627 /**
 628  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 629  * @fc: frame control field in little-endian byteorder
 630  */
 631 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 632 {
 633         /* IEEE 802.11-2012, definition of "bufferable management frame";
 634          * note that this ignores the IBSS special case. */
 635         return ieee80211_is_mgmt(fc) &&
 636                (ieee80211_is_action(fc) ||
 637                 ieee80211_is_disassoc(fc) ||
 638                 ieee80211_is_deauth(fc));
 639 }
 640
 641 /**
 642  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 643  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 644  */
 645 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 646 {
 647         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 648 }
 649
 650 /**
 651  * ieee80211_is_frag - check if a frame is a fragment
 652  * @hdr: 802.11 header of the frame
 653  */
 654 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 655 {
 656         return ieee80211_has_morefrags(hdr->frame_control) ||
 657                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 658 }
 659
 660 struct ieee80211s_hdr {
 661         u8 flags;
 662         u8 ttl;
 663         __le32 seqnum;
 664         u8 eaddr1[6];
 665         u8 eaddr2[6];
 666 } __packed __aligned(2);
 667
 668 /* Mesh flags */
 669 #define MESH_FLAGS_AE_A4        0x1
 670 #define MESH_FLAGS_AE_A5_A6     0x2
 671 #define MESH_FLAGS_AE           0x3
 672 #define MESH_FLAGS_PS_DEEP      0x4
 673
 674 /**
 675  * enum ieee80211_preq_flags - mesh PREQ element flags
 676  *
 677  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 678  */
 679 enum ieee80211_preq_flags {
 680         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 681 };
 682
 683 /**
 684  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 685  *
 686  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 687  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 688  */
 689 enum ieee80211_preq_target_flags {
 690         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 691         IEEE80211_PREQ_USN_FLAG = 1<<2,
 692 };
 693
 694 /**
 695  * struct ieee80211_quiet_ie
 696  *
 697  * This structure refers to "Quiet information element"
 698  */
 699 struct ieee80211_quiet_ie {
 700         u8 count;
 701         u8 period;
 702         __le16 duration;
 703         __le16 offset;
 704 } __packed;
 705
 706 /**
 707  * struct ieee80211_msrment_ie
 708  *
 709  * This structure refers to "Measurement Request/Report information element"
 710  */
 711 struct ieee80211_msrment_ie {
 712         u8 token;
 713         u8 mode;
 714         u8 type;
 715         u8 request[0];
 716 } __packed;
 717
 718 /**
 719  * struct ieee80211_channel_sw_ie
 720  *
 721  * This structure refers to "Channel Switch Announcement information element"
 722  */
 723 struct ieee80211_channel_sw_ie {
 724         u8 mode;
 725         u8 new_ch_num;
 726         u8 count;
 727 } __packed;
 728
 729 /**
 730  * struct ieee80211_ext_chansw_ie
 731  *
 732  * This structure represents the "Extended Channel Switch Announcement element"
 733  */
 734 struct ieee80211_ext_chansw_ie {
 735         u8 mode;
 736         u8 new_operating_class;
 737         u8 new_ch_num;
 738         u8 count;
 739 } __packed;
 740
 741 /**
 742  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 743  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 744  *      values here
 745  * This structure represents the "Secondary Channel Offset element"
 746  */
 747 struct ieee80211_sec_chan_offs_ie {
 748         u8 sec_chan_offs;
 749 } __packed;
 750
 751 /**
 752  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 753  *
 754  * This structure represents the "Mesh Channel Switch Paramters element"
 755  */
 756 struct ieee80211_mesh_chansw_params_ie {
 757         u8 mesh_ttl;
 758         u8 mesh_flags;
 759         __le16 mesh_reason;
 760         __le16 mesh_pre_value;
 761 } __packed;
 762
 763 /**
 764  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 765  */
 766 struct ieee80211_wide_bw_chansw_ie {
 767         u8 new_channel_width;
 768         u8 new_center_freq_seg0, new_center_freq_seg1;
 769 } __packed;
 770
 771 /**
 772  * struct ieee80211_tim
 773  *
 774  * This structure refers to "Traffic Indication Map information element"
 775  */
 776 struct ieee80211_tim_ie {
 777         u8 dtim_count;
 778         u8 dtim_period;
 779         u8 bitmap_ctrl;
 780         /* variable size: 1 - 251 bytes */
 781         u8 virtual_map[1];
 782 } __packed;
 783
 784 /**
 785  * struct ieee80211_meshconf_ie
 786  *
 787  * This structure refers to "Mesh Configuration information element"
 788  */
 789 struct ieee80211_meshconf_ie {
 790         u8 meshconf_psel;
 791         u8 meshconf_pmetric;
 792         u8 meshconf_congest;
 793         u8 meshconf_synch;
 794         u8 meshconf_auth;
 795         u8 meshconf_form;
 796         u8 meshconf_cap;
 797 } __packed;
 798
 799 /**
 800  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 801  *
 802  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 803  *      additional mesh peerings with other mesh STAs
 804  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 805  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 806  *      is ongoing
 807  */
 808 enum mesh_config_capab_flags {
 809         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 810         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 811         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 812 };
 813
 814 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 815
 816 /**
 817  * mesh channel switch parameters element's flag indicator
 818  *
 819  */
 820 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 821 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 822 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 823
 824 /**
 825  * struct ieee80211_rann_ie
 826  *
 827  * This structure refers to "Root Announcement information element"
 828  */
 829 struct ieee80211_rann_ie {
 830         u8 rann_flags;
 831         u8 rann_hopcount;
 832         u8 rann_ttl;
 833         u8 rann_addr[6];
 834         __le32 rann_seq;
 835         __le32 rann_interval;
 836         __le32 rann_metric;
 837 } __packed;
 838
 839 enum ieee80211_rann_flags {
 840         RANN_FLAG_IS_GATE = 1 << 0,
 841 };
 842
 843 enum ieee80211_ht_chanwidth_values {
 844         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 845         IEEE80211_HT_CHANWIDTH_ANY = 1,
 846 };
 847
 848 /**
 849  * enum ieee80211_opmode_bits - VHT operating mode field bits
 850  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 853  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 854  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 855  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 856  *      (the NSS value is the value of this field + 1)
 857  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 858  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 859  *      using a beamforming steering matrix
 860  */
 861 enum ieee80211_vht_opmode_bits {
 862         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 863         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 864         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 865         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 866         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 867         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 868         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 869         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 870 };
 871
 872 #define WLAN_SA_QUERY_TR_ID_LEN 2
 873 #define WLAN_MEMBERSHIP_LEN 8
 874 #define WLAN_USER_POSITION_LEN 16
 875
 876 /**
 877  * struct ieee80211_tpc_report_ie
 878  *
 879  * This structure refers to "TPC Report element"
 880  */
 881 struct ieee80211_tpc_report_ie {
 882         u8 tx_power;
 883         u8 link_margin;
 884 } __packed;
 885
 886 struct ieee80211_mgmt {
 887         __le16 frame_control;
 888         __le16 duration;
 889         u8 da[6];
 890         u8 sa[6];
 891         u8 bssid[6];
 892         __le16 seq_ctrl;
 893         union {
 894                 struct {
 895                         __le16 auth_alg;
 896                         __le16 auth_transaction;
 897                         __le16 status_code;
 898                         /* possibly followed by Challenge text */
 899                         u8 variable[0];
 900                 } __packed __aligned(4) auth;
 901                 struct {
 902                         __le16 reason_code;
 903                 } __packed __aligned(4) deauth;
 904                 struct {
 905                         __le16 capab_info;
 906                         __le16 listen_interval;
 907                         /* followed by SSID and Supported rates */
 908                         u8 variable[0];
 909                 } __packed __aligned(4) assoc_req;
 910                 struct {
 911                         __le16 capab_info;
 912                         __le16 status_code;
 913                         __le16 aid;
 914                         /* followed by Supported rates */
 915                         u8 variable[0];
 916                 } __packed __aligned(4) assoc_resp, reassoc_resp;
 917                 struct {
 918                         __le16 capab_info;
 919                         __le16 listen_interval;
 920                         u8 current_ap[6];
 921                         /* followed by SSID and Supported rates */
 922                         u8 variable[0];
 923                 } __packed __aligned(4) reassoc_req;
 924                 struct {
 925                         __le16 reason_code;
 926                 } __packed __aligned(4) disassoc;
 927                 struct {
 928                         __le64 timestamp;
 929                         __le16 beacon_int;
 930                         __le16 capab_info;
 931                         /* followed by some of SSID, Supported rates,
 932                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 933                         u8 variable[0];
 934                 } __packed __aligned(4) beacon;
 935                 struct {
 936                         /* only variable items: SSID, Supported rates */
 937                         u8 variable[0];
 938                 } __packed __aligned(4) probe_req;
 939                 struct {
 940                         __le64 timestamp;
 941                         __le16 beacon_int;
 942                         __le16 capab_info;
 943                         /* followed by some of SSID, Supported rates,
 944                          * FH Params, DS Params, CF Params, IBSS Params */
 945                         u8 variable[0];
 946                 } __packed __aligned(4) probe_resp;
 947                 struct {
 948                         u8 category;
 949                         union {
 950                                 struct {
 951                                         u8 action_code;
 952                                         u8 dialog_token;
 953                                         u8 status_code;
 954                                         u8 variable[0];
 955                                 } __packed wme_action;
 956                                 struct{
 957                                         u8 action_code;
 958                                         u8 variable[0];
 959                                 } __packed chan_switch;
 960                                 struct{
 961                                         u8 action_code;
 962                                         struct ieee80211_ext_chansw_ie data;
 963                                         u8 variable[0];
 964                                 } __packed ext_chan_switch;
 965                                 struct{
 966                                         u8 action_code;
 967                                         u8 dialog_token;
 968                                         u8 element_id;
 969                                         u8 length;
 970                                         struct ieee80211_msrment_ie msr_elem;
 971                                 } __packed measurement;
 972                                 struct{
 973                                         u8 action_code;
 974                                         u8 dialog_token;
 975                                         __le16 capab;
 976                                         __le16 timeout;
 977                                         __le16 start_seq_num;
 978                                 } __packed addba_req;
 979                                 struct{
 980                                         u8 action_code;
 981                                         u8 dialog_token;
 982                                         __le16 status;
 983                                         __le16 capab;
 984                                         __le16 timeout;
 985                                 } __packed addba_resp;
 986                                 struct{
 987                                         u8 action_code;
 988                                         __le16 params;
 989                                         __le16 reason_code;
 990                                 } __packed delba;
 991                                 struct {
 992                                         u8 action_code;
 993                                         u8 variable[0];
 994                                 } __packed self_prot;
 995                                 struct{
 996                                         u8 action_code;
 997                                         u8 variable[0];
 998                                 } __packed mesh_action;
 999                                 struct {
1000                                         u8 action;
1001                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1002                                 } __packed sa_query;
1003                                 struct {
1004                                         u8 action;
1005                                         u8 smps_control;
1006                                 } __packed ht_smps;
1007                                 struct {
1008                                         u8 action_code;
1009                                         u8 chanwidth;
1010                                 } __packed ht_notify_cw;
1011                                 struct {
1012                                         u8 action_code;
1013                                         u8 dialog_token;
1014                                         __le16 capability;
1015                                         u8 variable[0];
1016                                 } __packed tdls_discover_resp;
1017                                 struct {
1018                                         u8 action_code;
1019                                         u8 operating_mode;
1020                                 } __packed vht_opmode_notif;
1021                                 struct {
1022                                         u8 action_code;
1023                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1024                                         u8 position[WLAN_USER_POSITION_LEN];
1025                                 } __packed vht_group_notif;
1026                                 struct {
1027                                         u8 action_code;
1028                                         u8 dialog_token;
1029                                         u8 tpc_elem_id;
1030                                         u8 tpc_elem_length;
1031                                         struct ieee80211_tpc_report_ie tpc;
1032                                 } __packed tpc_report;
1033                                 struct {
1034                                         u8 action_code;
1035                                         u8 dialog_token;
1036                                         u8 follow_up;
1037                                         u8 tod[6];
1038                                         u8 toa[6];
1039                                         __le16 tod_error;
1040                                         __le16 toa_error;
1041                                         u8 variable[0];
1042                                 } __packed ftm;
1043                         } u;
1044                 } __packed __aligned(4) action;
1045         } u __aligned(2);
1046 } __packed __aligned(2);
1047
1048 /* Supported rates membership selectors */
1049 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1050 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1051
1052 /* mgmt header + 1 byte category code */
1053 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1054
1055
1056 /* Management MIC information element (IEEE 802.11w) */
1057 struct ieee80211_mmie {
1058         u8 element_id;
1059         u8 length;
1060         __le16 key_id;
1061         u8 sequence_number[6];
1062         u8 mic[8];
1063 } __packed;
1064
1065 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1066 struct ieee80211_mmie_16 {
1067         u8 element_id;
1068         u8 length;
1069         __le16 key_id;
1070         u8 sequence_number[6];
1071         u8 mic[16];
1072 } __packed;
1073
1074 struct ieee80211_vendor_ie {
1075         u8 element_id;
1076         u8 len;
1077         u8 oui[3];
1078         u8 oui_type;
1079 } __packed;
1080
1081 struct ieee80211_wmm_ac_param {
1082         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1083         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1084         __le16 txop_limit;
1085 } __packed;
1086
1087 struct ieee80211_wmm_param_ie {
1088         u8 element_id; /* Element ID: 221 (0xdd); */
1089         u8 len; /* Length: 24 */
1090         /* required fields for WMM version 1 */
1091         u8 oui[3]; /* 00:50:f2 */
1092         u8 oui_type; /* 2 */
1093         u8 oui_subtype; /* 1 */
1094         u8 version; /* 1 for WMM version 1.0 */
1095         u8 qos_info; /* AP/STA specific QoS info */
1096         u8 reserved; /* 0 */
1097         /* AC_BE, AC_BK, AC_VI, AC_VO */
1098         struct ieee80211_wmm_ac_param ac[4];
1099 } __packed;
1100
1101 /* Control frames */
1102 struct ieee80211_rts {
1103         __le16 frame_control;
1104         __le16 duration;
1105         u8 ra[6];
1106         u8 ta[6];
1107 } __packed __aligned(2);
1108
1109 struct ieee80211_cts {
1110         __le16 frame_control;
1111         __le16 duration;
1112         u8 ra[6];
1113 } __packed __aligned(2);
1114
1115 struct ieee80211_pspoll {
1116         __le16 frame_control;
1117         __le16 aid;
1118         u8 bssid[6];
1119         u8 ta[6];
1120 } __packed __aligned(2);
1121
1122 /* TDLS */
1123
1124 /* Channel switch timing */
1125 struct ieee80211_ch_switch_timing {
1126         __le16 switch_time;
1127         __le16 switch_timeout;
1128 } __packed;
1129
1130 /* Link-id information element */
1131 struct ieee80211_tdls_lnkie {
1132         u8 ie_type; /* Link Identifier IE */
1133         u8 ie_len;
1134         u8 bssid[6];
1135         u8 init_sta[6];
1136         u8 resp_sta[6];
1137 } __packed;
1138
1139 struct ieee80211_tdls_data {
1140         u8 da[6];
1141         u8 sa[6];
1142         __be16 ether_type;
1143         u8 payload_type;
1144         u8 category;
1145         u8 action_code;
1146         union {
1147                 struct {
1148                         u8 dialog_token;
1149                         __le16 capability;
1150                         u8 variable[0];
1151                 } __packed setup_req;
1152                 struct {
1153                         __le16 status_code;
1154                         u8 dialog_token;
1155                         __le16 capability;
1156                         u8 variable[0];
1157                 } __packed setup_resp;
1158                 struct {
1159                         __le16 status_code;
1160                         u8 dialog_token;
1161                         u8 variable[0];
1162                 } __packed setup_cfm;
1163                 struct {
1164                         __le16 reason_code;
1165                         u8 variable[0];
1166                 } __packed teardown;
1167                 struct {
1168                         u8 dialog_token;
1169                         u8 variable[0];
1170                 } __packed discover_req;
1171                 struct {
1172                         u8 target_channel;
1173                         u8 oper_class;
1174                         u8 variable[0];
1175                 } __packed chan_switch_req;
1176                 struct {
1177                         __le16 status_code;
1178                         u8 variable[0];
1179                 } __packed chan_switch_resp;
1180         } u;
1181 } __packed;
1182
1183 /*
1184  * Peer-to-Peer IE attribute related definitions.
1185  */
1186 /**
1187  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1188  */
1189 enum ieee80211_p2p_attr_id {
1190         IEEE80211_P2P_ATTR_STATUS = 0,
1191         IEEE80211_P2P_ATTR_MINOR_REASON,
1192         IEEE80211_P2P_ATTR_CAPABILITY,
1193         IEEE80211_P2P_ATTR_DEVICE_ID,
1194         IEEE80211_P2P_ATTR_GO_INTENT,
1195         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1196         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1197         IEEE80211_P2P_ATTR_GROUP_BSSID,
1198         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1199         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1200         IEEE80211_P2P_ATTR_MANAGABILITY,
1201         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1202         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1203         IEEE80211_P2P_ATTR_DEVICE_INFO,
1204         IEEE80211_P2P_ATTR_GROUP_INFO,
1205         IEEE80211_P2P_ATTR_GROUP_ID,
1206         IEEE80211_P2P_ATTR_INTERFACE,
1207         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1208         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1209         /* 19 - 220: Reserved */
1210         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1211
1212         IEEE80211_P2P_ATTR_MAX
1213 };
1214
1215 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1216 /* Typical max value used here */
1217 #define IEEE80211_P2P_NOA_DESC_MAX      4
1218
1219 struct ieee80211_p2p_noa_desc {
1220         u8 count;
1221         __le32 duration;
1222         __le32 interval;
1223         __le32 start_time;
1224 } __packed;
1225
1226 struct ieee80211_p2p_noa_attr {
1227         u8 index;
1228         u8 oppps_ctwindow;
1229         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1230 } __packed;
1231
1232 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1233 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1234
1235 /**
1236  * struct ieee80211_bar - HT Block Ack Request
1237  *
1238  * This structure refers to "HT BlockAckReq" as
1239  * described in 802.11n draft section 7.2.1.7.1
1240  */
1241 struct ieee80211_bar {
1242         __le16 frame_control;
1243         __le16 duration;
1244         __u8 ra[6];
1245         __u8 ta[6];
1246         __le16 control;
1247         __le16 start_seq_num;
1248 } __packed __aligned(2);
1249
1250 /* 802.11 BA(R) control masks */
1251 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1252 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1253 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1254 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1255 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1256
1257 /**
1258  * struct ieee80211_ba - HT Block Ack
1259  *
1260  * This structure refers to "HT BlockAck" as
1261  * described in 802.11n draft section 7.2.1.8.1
1262  */
1263 struct ieee80211_ba {
1264         __le16 frame_control;
1265         __le16 duration;
1266         u8 ra[6];
1267         u8 ta[6];
1268         __le16 control;
1269
1270         __le16 start_seq_num;
1271         u8 bitmap[8];
1272 } __packed;
1273
1274 #define IEEE80211_HT_MCS_MASK_LEN               10
1275
1276 /**
1277  * struct ieee80211_mcs_info - MCS information
1278  * @rx_mask: RX mask
1279  * @rx_highest: highest supported RX rate. If set represents
1280  *      the highest supported RX data rate in units of 1 Mbps.
1281  *      If this field is 0 this value should not be used to
1282  *      consider the highest RX data rate supported.
1283  * @tx_params: TX parameters
1284  */
1285 struct ieee80211_mcs_info {
1286         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1287         __le16 rx_highest;
1288         u8 tx_params;
1289         u8 reserved[3];
1290 } __packed;
1291
1292 /* 802.11n HT capability MSC set */
1293 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1294 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1295 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1296 /* value 0 == 1 stream etc */
1297 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1298 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1299 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1300 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1301
1302 /*
1303  * 802.11n D5.0 20.3.5 / 20.6 says:
1304  * - indices 0 to 7 and 32 are single spatial stream
1305  * - 8 to 31 are multiple spatial streams using equal modulation
1306  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1307  * - remainder are multiple spatial streams using unequal modulation
1308  */
1309 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1310 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1311         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1312
1313 /**
1314  * struct ieee80211_ht_cap - HT capabilities
1315  *
1316  * This structure is the "HT capabilities element" as
1317  * described in 802.11n D5.0 7.3.2.57
1318  */
1319 struct ieee80211_ht_cap {
1320         __le16 cap_info;
1321         u8 ampdu_params_info;
1322
1323         /* 16 bytes MCS information */
1324         struct ieee80211_mcs_info mcs;
1325
1326         __le16 extended_ht_cap_info;
1327         __le32 tx_BF_cap_info;
1328         u8 antenna_selection_info;
1329 } __packed;
1330
1331 /* 802.11n HT capabilities masks (for cap_info) */
1332 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1333 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1334 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1335 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1336 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1337 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1338 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1339 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1340 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1341 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1342 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1343 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1344 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1345 #define IEEE80211_HT_CAP_RESERVED               0x2000
1346 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1347 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1348
1349 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1350 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1351 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1352 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1353 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1354 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1355 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1356 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1357
1358 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1359 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1360 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1361 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1362
1363 /*
1364  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1365  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1366  */
1367 enum ieee80211_max_ampdu_length_exp {
1368         IEEE80211_HT_MAX_AMPDU_8K = 0,
1369         IEEE80211_HT_MAX_AMPDU_16K = 1,
1370         IEEE80211_HT_MAX_AMPDU_32K = 2,
1371         IEEE80211_HT_MAX_AMPDU_64K = 3
1372 };
1373
1374 /*
1375  * Maximum length of AMPDU that the STA can receive in VHT.
1376  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1377  */
1378 enum ieee80211_vht_max_ampdu_length_exp {
1379         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1380         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1381         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1382         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1383         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1384         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1385         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1386         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1387 };
1388
1389 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1390
1391 /* Minimum MPDU start spacing */
1392 enum ieee80211_min_mpdu_spacing {
1393         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1394         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1395         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1396         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1397         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1398         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1399         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1400         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1401 };
1402
1403 /**
1404  * struct ieee80211_ht_operation - HT operation IE
1405  *
1406  * This structure is the "HT operation element" as
1407  * described in 802.11n-2009 7.3.2.57
1408  */
1409 struct ieee80211_ht_operation {
1410         u8 primary_chan;
1411         u8 ht_param;
1412         __le16 operation_mode;
1413         __le16 stbc_param;
1414         u8 basic_set[16];
1415 } __packed;
1416
1417 /* for ht_param */
1418 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1419 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1420 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1421 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1422 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1423 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1424
1425 /* for operation_mode */
1426 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1427 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1428 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1429 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1430 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1431 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1432 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1433 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1434 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1435
1436 /* for stbc_param */
1437 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1438 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1439 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1440 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1441 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1442 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1443
1444
1445 /* block-ack parameters */
1446 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1447 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1448 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1449 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1450 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1451 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1452
1453 /*
1454  * A-MPDU buffer sizes
1455  * According to HT size varies from 8 to 64 frames
1456  * HE adds the ability to have up to 256 frames.
1457  */
1458 #define IEEE80211_MIN_AMPDU_BUF         0x8
1459 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1460 #define IEEE80211_MAX_AMPDU_BUF         0x100
1461
1462
1463 /* Spatial Multiplexing Power Save Modes (for capability) */
1464 #define WLAN_HT_CAP_SM_PS_STATIC        0
1465 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1466 #define WLAN_HT_CAP_SM_PS_INVALID       2
1467 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1468
1469 /* for SM power control field lower two bits */
1470 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1471 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1472 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1473
1474 /**
1475  * struct ieee80211_vht_mcs_info - VHT MCS information
1476  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1477  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1478  *      STA can receive. Rate expressed in units of 1 Mbps.
1479  *      If this field is 0 this value should not be used to
1480  *      consider the highest RX data rate supported.
1481  *      The top 3 bits of this field indicate the Maximum NSTS,total
1482  *      (a beamformee capability.)
1483  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1484  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1485  *      STA can transmit. Rate expressed in units of 1 Mbps.
1486  *      If this field is 0 this value should not be used to
1487  *      consider the highest TX data rate supported.
1488  *      The top 2 bits of this field are reserved, the
1489  *      3rd bit from the top indiciates VHT Extended NSS BW
1490  *      Capability.
1491  */
1492 struct ieee80211_vht_mcs_info {
1493         __le16 rx_mcs_map;
1494         __le16 rx_highest;
1495         __le16 tx_mcs_map;
1496         __le16 tx_highest;
1497 } __packed;
1498
1499 /* for rx_highest */
1500 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1501 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1502
1503 /* for tx_highest */
1504 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1505
1506 /**
1507  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1508  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1509  *      number of streams
1510  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1511  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1512  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1513  *
1514  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1515  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1516  * both split into 8 subfields by number of streams. These values indicate
1517  * which MCSes are supported for the number of streams the value appears
1518  * for.
1519  */
1520 enum ieee80211_vht_mcs_support {
1521         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1522         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1523         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1524         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1525 };
1526
1527 /**
1528  * struct ieee80211_vht_cap - VHT capabilities
1529  *
1530  * This structure is the "VHT capabilities element" as
1531  * described in 802.11ac D3.0 8.4.2.160
1532  * @vht_cap_info: VHT capability info
1533  * @supp_mcs: VHT MCS supported rates
1534  */
1535 struct ieee80211_vht_cap {
1536         __le32 vht_cap_info;
1537         struct ieee80211_vht_mcs_info supp_mcs;
1538 } __packed;
1539
1540 /**
1541  * enum ieee80211_vht_chanwidth - VHT channel width
1542  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1543  *      determine the channel width (20 or 40 MHz)
1544  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1545  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1546  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1547  */
1548 enum ieee80211_vht_chanwidth {
1549         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1550         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1551         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1552         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1553 };
1554
1555 /**
1556  * struct ieee80211_vht_operation - VHT operation IE
1557  *
1558  * This structure is the "VHT operation element" as
1559  * described in 802.11ac D3.0 8.4.2.161
1560  * @chan_width: Operating channel width
1561  * @center_freq_seg0_idx: center freq segment 0 index
1562  * @center_freq_seg1_idx: center freq segment 1 index
1563  * @basic_mcs_set: VHT Basic MCS rate set
1564  */
1565 struct ieee80211_vht_operation {
1566         u8 chan_width;
1567         u8 center_freq_seg0_idx;
1568         u8 center_freq_seg1_idx;
1569         __le16 basic_mcs_set;
1570 } __packed;
1571
1572 /**
1573  * struct ieee80211_he_cap_elem - HE capabilities element
1574  *
1575  * This structure is the "HE capabilities element" fixed fields as
1576  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1577  */
1578 struct ieee80211_he_cap_elem {
1579         u8 mac_cap_info[6];
1580         u8 phy_cap_info[11];
1581 } __packed;
1582
1583 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1584
1585 /**
1586  * enum ieee80211_he_mcs_support - HE MCS support definitions
1587  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1588  *      number of streams
1589  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1590  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1591  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1592  *
1593  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1594  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1595  * both split into 8 subfields by number of streams. These values indicate
1596  * which MCSes are supported for the number of streams the value appears
1597  * for.
1598  */
1599 enum ieee80211_he_mcs_support {
1600         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1601         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1602         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1603         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1604 };
1605
1606 /**
1607  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1608  *
1609  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1610  * described in P802.11ax_D2.0 section 9.4.2.237.4
1611  *
1612  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1613  *     widths less than 80MHz.
1614  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1615  *     widths less than 80MHz.
1616  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1617  *     width 160MHz.
1618  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1619  *     width 160MHz.
1620  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1621  *     channel width 80p80MHz.
1622  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1623  *     channel width 80p80MHz.
1624  */
1625 struct ieee80211_he_mcs_nss_supp {
1626         __le16 rx_mcs_80;
1627         __le16 tx_mcs_80;
1628         __le16 rx_mcs_160;
1629         __le16 tx_mcs_160;
1630         __le16 rx_mcs_80p80;
1631         __le16 tx_mcs_80p80;
1632 } __packed;
1633
1634 /**
1635  * struct ieee80211_he_operation - HE capabilities element
1636  *
1637  * This structure is the "HE operation element" fields as
1638  * described in P802.11ax_D4.0 section 9.4.2.243
1639  */
1640 struct ieee80211_he_operation {
1641         __le32 he_oper_params;
1642         __le16 he_mcs_nss_set;
1643         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1644         u8 optional[0];
1645 } __packed;
1646
1647 /**
1648  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1649  *
1650  * This structure is the "MU AC Parameter Record" fields as
1651  * described in P802.11ax_D4.0 section 9.4.2.245
1652  */
1653 struct ieee80211_he_mu_edca_param_ac_rec {
1654         u8 aifsn;
1655         u8 ecw_min_max;
1656         u8 mu_edca_timer;
1657 } __packed;
1658
1659 /**
1660  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1661  *
1662  * This structure is the "MU EDCA Parameter Set element" fields as
1663  * described in P802.11ax_D4.0 section 9.4.2.245
1664  */
1665 struct ieee80211_mu_edca_param_set {
1666         u8 mu_qos_info;
1667         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1668         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1669         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1670         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1671 } __packed;
1672
1673 /* 802.11ac VHT Capabilities */
1674 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1675 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1676 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1677 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1678 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1679 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1680 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1681 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1682 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1683 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1684 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1685 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1686 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1687 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1688 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1689 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1690 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1691 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1692 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1693 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1694 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1695 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1696                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1697 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1698 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1699                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1700 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1701 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1702 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1703 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1704 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1705 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1706                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1707 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1708 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1709 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1710 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1711 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1712 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1713
1714 /**
1715  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1716  * @cap: VHT capabilities of the peer
1717  * @bw: bandwidth to use
1718  * @mcs: MCS index to use
1719  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1720  *      (rate scaling algorithm) can deal with the new logic
1721  *      (dot11VHTExtendedNSSBWCapable)
1722  *
1723  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1724  * vary for a given BW/MCS. This function parses the data.
1725  *
1726  * Note: This function is exported by cfg80211.
1727  */
1728 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1729                               enum ieee80211_vht_chanwidth bw,
1730                               int mcs, bool ext_nss_bw_capable);
1731
1732 /* 802.11ax HE MAC capabilities */
1733 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1734 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1735 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1736 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1737 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1738 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1739 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1740 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1741 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1742 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1743 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1744 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1745 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1746 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1747 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1748 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1749 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1750
1751 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1752 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1753 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1754 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1755 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1756 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1757 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1758 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1759 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1760 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1761 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1762 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1763 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1764 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1765 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1766 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1767 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1768 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1769
1770 /* Link adaptation is split between byte HE_MAC_CAP1 and
1771  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1772  * in which case the following values apply:
1773  * 0 = No feedback.
1774  * 1 = reserved.
1775  * 2 = Unsolicited feedback.
1776  * 3 = both
1777  */
1778 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1779
1780 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1781 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1782 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1783 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1784 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1785 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1786 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1787 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1788
1789 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1790 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1791
1792 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1793  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1794  * same field in the HE capabilities.
1795  */
1796 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1797 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1798 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1799 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1800 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1801 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1802 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1803 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1804
1805 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1806 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1807 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1808 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1809 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1810 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1811 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1812 /* Multi TID agg TX is split between byte #4 and #5
1813  * The value is a combination of B39,B40,B41
1814  */
1815 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1816
1817 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1818 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1819 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1820 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1821 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1822 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1823 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1824 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1825
1826 /* 802.11ax HE PHY capabilities */
1827 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1828 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1829 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1830 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1831 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1832 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1833 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1834
1835 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1836 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1837 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1838 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1839 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1840 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1841 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1842 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1843 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1844 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1845
1846 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1847 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1848 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1849 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1850 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1851 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1852
1853 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1854  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1855  * case it indicates support for Tx.
1856  */
1857 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1858 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1859
1860 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1861 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1862 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1863 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1864 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1865 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1866 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1867 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1868 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1869 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1870 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1871 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1872 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1873 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1874 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1875 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1876
1877 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1878 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1879
1880 /* Minimal allowed value of Max STS under 80MHz is 3 */
1881 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1882 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1883 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1884 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1885 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1886 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1887
1888 /* Minimal allowed value of Max STS above 80MHz is 3 */
1889 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1890 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1891 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1892 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1893 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1894 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1895
1896 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1897 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1898 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1899 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1900 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1901 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1902 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1903 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1904 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1905
1906 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1907 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1908 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1909 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1910 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1911 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1912 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1913 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1914 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1915
1916 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1917 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1918
1919 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1920 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1921 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1922 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1923 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1924 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1925 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1926 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1927
1928 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1929 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1930 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1931 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1932 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1933 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1934 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1935 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1936 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1937 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1938 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1939 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1940 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1941
1942 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1943 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1944 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1945 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1946 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1947 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1948 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1949 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1950 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1951 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1952 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1953
1954 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1955 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1956 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1957 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1958 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1959 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1960 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1961 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
1962 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
1963 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
1964 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
1965
1966 /* 802.11ax HE TX/RX MCS NSS Support  */
1967 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1968 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
1969 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
1970 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
1971 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
1972
1973 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1974 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1975         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1976         HIGHEST_MCS_SUPPORTED_MCS8,
1977         HIGHEST_MCS_SUPPORTED_MCS9,
1978         HIGHEST_MCS_SUPPORTED_MCS10,
1979         HIGHEST_MCS_SUPPORTED_MCS11,
1980 };
1981
1982 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1983 static inline u8
1984 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1985 {
1986         u8 count = 4;
1987
1988         if (he_cap->phy_cap_info[0] &
1989             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1990                 count += 4;
1991
1992         if (he_cap->phy_cap_info[0] &
1993             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1994                 count += 4;
1995
1996         return count;
1997 }
1998
1999 /* 802.11ax HE PPE Thresholds */
2000 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2001 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2002 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2003 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2004         (BIT(5) | BIT(6))
2005 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2006 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2007 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2008
2009 /*
2010  * Calculate 802.11ax HE capabilities IE PPE field size
2011  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2012  */
2013 static inline u8
2014 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2015 {
2016         u8 n;
2017
2018         if ((phy_cap_info[6] &
2019              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2020                 return 0;
2021
2022         n = hweight8(ppe_thres_hdr &
2023                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2024         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2025                    IEEE80211_PPE_THRES_NSS_POS));
2026
2027         /*
2028          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2029          * total size.
2030          */
2031         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2032         n = DIV_ROUND_UP(n, 8);
2033
2034         return n;
2035 }
2036
2037 /* HE Operation defines */
2038 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2039 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2040 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2041 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2042 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2043 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2044 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2045 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2046 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2047 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2048 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2049 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2050
2051 /*
2052  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2053  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2054  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2055  *      sizeof(struct ieee80211_he_operation) bytes, checked already in
2056  *      ieee802_11_parse_elems_crc()
2057  * @return the actual size of the IE data (not including header), or 0 on error
2058  */
2059 static inline u8
2060 ieee80211_he_oper_size(const u8 *he_oper_ie)
2061 {
2062         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2063         u8 oper_len = sizeof(struct ieee80211_he_operation);
2064         u32 he_oper_params;
2065
2066         /* Make sure the input is not NULL */
2067         if (!he_oper_ie)
2068                 return 0;
2069
2070         /* Calc required length */
2071         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2072         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2073                 oper_len += 3;
2074         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2075                 oper_len++;
2076         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2077                 oper_len += 4;
2078
2079         /* Add the first byte (extension ID) to the total length */
2080         oper_len++;
2081
2082         return oper_len;
2083 }
2084
2085 /* Authentication algorithms */
2086 #define WLAN_AUTH_OPEN 0
2087 #define WLAN_AUTH_SHARED_KEY 1
2088 #define WLAN_AUTH_FT 2
2089 #define WLAN_AUTH_SAE 3
2090 #define WLAN_AUTH_FILS_SK 4
2091 #define WLAN_AUTH_FILS_SK_PFS 5
2092 #define WLAN_AUTH_FILS_PK 6
2093 #define WLAN_AUTH_LEAP 128
2094
2095 #define WLAN_AUTH_CHALLENGE_LEN 128
2096
2097 #define WLAN_CAPABILITY_ESS             (1<<0)
2098 #define WLAN_CAPABILITY_IBSS            (1<<1)
2099
2100 /*
2101  * A mesh STA sets the ESS and IBSS capability bits to zero.
2102  * however, this holds true for p2p probe responses (in the p2p_find
2103  * phase) as well.
2104  */
2105 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2106         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2107
2108 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2109 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2110 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2111 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2112 #define WLAN_CAPABILITY_PBCC            (1<<6)
2113 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2114
2115 /* 802.11h */
2116 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2117 #define WLAN_CAPABILITY_QOS             (1<<9)
2118 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2119 #define WLAN_CAPABILITY_APSD            (1<<11)
2120 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2121 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2122 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2123 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2124
2125 /* DMG (60gHz) 802.11ad */
2126 /* type - bits 0..1 */
2127 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2128 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2129 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2130 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2131
2132 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2133 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2134 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2135 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2136
2137 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2138 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2139
2140 /* measurement */
2141 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2142 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2143 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2144
2145 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2146 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2147 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2148 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2149 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2150
2151 /* 802.11g ERP information element */
2152 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2153 #define WLAN_ERP_USE_PROTECTION (1<<1)
2154 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2155
2156 /* WLAN_ERP_BARKER_PREAMBLE values */
2157 enum {
2158         WLAN_ERP_PREAMBLE_SHORT = 0,
2159         WLAN_ERP_PREAMBLE_LONG = 1,
2160 };
2161
2162 /* Band ID, 802.11ad #8.4.1.45 */
2163 enum {
2164         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2165         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2166         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2167         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2168         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2169         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2170 };
2171
2172 /* Status codes */
2173 enum ieee80211_statuscode {
2174         WLAN_STATUS_SUCCESS = 0,
2175         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2176         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2177         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2178         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2179         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2180         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2181         WLAN_STATUS_CHALLENGE_FAIL = 15,
2182         WLAN_STATUS_AUTH_TIMEOUT = 16,
2183         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2184         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2185         /* 802.11b */
2186         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2187         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2188         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2189         /* 802.11h */
2190         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2191         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2192         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2193         /* 802.11g */
2194         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2195         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2196         /* 802.11w */
2197         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2198         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2199         /* 802.11i */
2200         WLAN_STATUS_INVALID_IE = 40,
2201         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2202         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2203         WLAN_STATUS_INVALID_AKMP = 43,
2204         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2205         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2206         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2207         /* 802.11e */
2208         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2209         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2210         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2211         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2212         WLAN_STATUS_REQUEST_DECLINED = 37,
2213         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2214         WLAN_STATUS_CHANGE_TSPEC = 39,
2215         WLAN_STATUS_WAIT_TS_DELAY = 47,
2216         WLAN_STATUS_NO_DIRECT_LINK = 48,
2217         WLAN_STATUS_STA_NOT_PRESENT = 49,
2218         WLAN_STATUS_STA_NOT_QSTA = 50,
2219         /* 802.11s */
2220         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2221         WLAN_STATUS_FCG_NOT_SUPP = 78,
2222         WLAN_STATUS_STA_NO_TBTT = 78,
2223         /* 802.11ad */
2224         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2225         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2226         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2227         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2228         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2229         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2230         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2231         WLAN_STATUS_REJECT_DSE_BAND = 96,
2232         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2233         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2234         /* 802.11ai */
2235         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2236         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2237 };
2238
2239
2240 /* Reason codes */
2241 enum ieee80211_reasoncode {
2242         WLAN_REASON_UNSPECIFIED = 1,
2243         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2244         WLAN_REASON_DEAUTH_LEAVING = 3,
2245         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2246         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2247         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2248         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2249         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2250         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2251         /* 802.11h */
2252         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2253         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2254         /* 802.11i */
2255         WLAN_REASON_INVALID_IE = 13,
2256         WLAN_REASON_MIC_FAILURE = 14,
2257         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2258         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2259         WLAN_REASON_IE_DIFFERENT = 17,
2260         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2261         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2262         WLAN_REASON_INVALID_AKMP = 20,
2263         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2264         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2265         WLAN_REASON_IEEE8021X_FAILED = 23,
2266         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2267         /* TDLS (802.11z) */
2268         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2269         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2270         /* 802.11e */
2271         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2272         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2273         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2274         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2275         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2276         WLAN_REASON_QSTA_NOT_USE = 37,
2277         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2278         WLAN_REASON_QSTA_TIMEOUT = 39,
2279         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2280         /* 802.11s */
2281         WLAN_REASON_MESH_PEER_CANCELED = 52,
2282         WLAN_REASON_MESH_MAX_PEERS = 53,
2283         WLAN_REASON_MESH_CONFIG = 54,
2284         WLAN_REASON_MESH_CLOSE = 55,
2285         WLAN_REASON_MESH_MAX_RETRIES = 56,
2286         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2287         WLAN_REASON_MESH_INVALID_GTK = 58,
2288         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2289         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2290         WLAN_REASON_MESH_PATH_ERROR = 61,
2291         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2292         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2293         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2294         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2295         WLAN_REASON_MESH_CHAN = 66,
2296 };
2297
2298
2299 /* Information Element IDs */
2300 enum ieee80211_eid {
2301         WLAN_EID_SSID = 0,
2302         WLAN_EID_SUPP_RATES = 1,
2303         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2304         WLAN_EID_DS_PARAMS = 3,
2305         WLAN_EID_CF_PARAMS = 4,
2306         WLAN_EID_TIM = 5,
2307         WLAN_EID_IBSS_PARAMS = 6,
2308         WLAN_EID_COUNTRY = 7,
2309         /* 8, 9 reserved */
2310         WLAN_EID_REQUEST = 10,
2311         WLAN_EID_QBSS_LOAD = 11,
2312         WLAN_EID_EDCA_PARAM_SET = 12,
2313         WLAN_EID_TSPEC = 13,
2314         WLAN_EID_TCLAS = 14,
2315         WLAN_EID_SCHEDULE = 15,
2316         WLAN_EID_CHALLENGE = 16,
2317         /* 17-31 reserved for challenge text extension */
2318         WLAN_EID_PWR_CONSTRAINT = 32,
2319         WLAN_EID_PWR_CAPABILITY = 33,
2320         WLAN_EID_TPC_REQUEST = 34,
2321         WLAN_EID_TPC_REPORT = 35,
2322         WLAN_EID_SUPPORTED_CHANNELS = 36,
2323         WLAN_EID_CHANNEL_SWITCH = 37,
2324         WLAN_EID_MEASURE_REQUEST = 38,
2325         WLAN_EID_MEASURE_REPORT = 39,
2326         WLAN_EID_QUIET = 40,
2327         WLAN_EID_IBSS_DFS = 41,
2328         WLAN_EID_ERP_INFO = 42,
2329         WLAN_EID_TS_DELAY = 43,
2330         WLAN_EID_TCLAS_PROCESSING = 44,
2331         WLAN_EID_HT_CAPABILITY = 45,
2332         WLAN_EID_QOS_CAPA = 46,
2333         /* 47 reserved for Broadcom */
2334         WLAN_EID_RSN = 48,
2335         WLAN_EID_802_15_COEX = 49,
2336         WLAN_EID_EXT_SUPP_RATES = 50,
2337         WLAN_EID_AP_CHAN_REPORT = 51,
2338         WLAN_EID_NEIGHBOR_REPORT = 52,
2339         WLAN_EID_RCPI = 53,
2340         WLAN_EID_MOBILITY_DOMAIN = 54,
2341         WLAN_EID_FAST_BSS_TRANSITION = 55,
2342         WLAN_EID_TIMEOUT_INTERVAL = 56,
2343         WLAN_EID_RIC_DATA = 57,
2344         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2345         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2346         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2347         WLAN_EID_HT_OPERATION = 61,
2348         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2349         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2350         WLAN_EID_ANTENNA_INFO = 64,
2351         WLAN_EID_RSNI = 65,
2352         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2353         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2354         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2355         WLAN_EID_TIME_ADVERTISEMENT = 69,
2356         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2357         WLAN_EID_MULTIPLE_BSSID = 71,
2358         WLAN_EID_BSS_COEX_2040 = 72,
2359         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2360         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2361         WLAN_EID_RIC_DESCRIPTOR = 75,
2362         WLAN_EID_MMIE = 76,
2363         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2364         WLAN_EID_EVENT_REQUEST = 78,
2365         WLAN_EID_EVENT_REPORT = 79,
2366         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2367         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2368         WLAN_EID_LOCATION_PARAMS = 82,
2369         WLAN_EID_NON_TX_BSSID_CAP =  83,
2370         WLAN_EID_SSID_LIST = 84,
2371         WLAN_EID_MULTI_BSSID_IDX = 85,
2372         WLAN_EID_FMS_DESCRIPTOR = 86,
2373         WLAN_EID_FMS_REQUEST = 87,
2374         WLAN_EID_FMS_RESPONSE = 88,
2375         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2376         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2377         WLAN_EID_TSF_REQUEST = 91,
2378         WLAN_EID_TSF_RESPOSNE = 92,
2379         WLAN_EID_WNM_SLEEP_MODE = 93,
2380         WLAN_EID_TIM_BCAST_REQ = 94,
2381         WLAN_EID_TIM_BCAST_RESP = 95,
2382         WLAN_EID_COLL_IF_REPORT = 96,
2383         WLAN_EID_CHANNEL_USAGE = 97,
2384         WLAN_EID_TIME_ZONE = 98,
2385         WLAN_EID_DMS_REQUEST = 99,
2386         WLAN_EID_DMS_RESPONSE = 100,
2387         WLAN_EID_LINK_ID = 101,
2388         WLAN_EID_WAKEUP_SCHEDUL = 102,
2389         /* 103 reserved */
2390         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2391         WLAN_EID_PTI_CONTROL = 105,
2392         WLAN_EID_PU_BUFFER_STATUS = 106,
2393         WLAN_EID_INTERWORKING = 107,
2394         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2395         WLAN_EID_EXPEDITED_BW_REQ = 109,
2396         WLAN_EID_QOS_MAP_SET = 110,
2397         WLAN_EID_ROAMING_CONSORTIUM = 111,
2398         WLAN_EID_EMERGENCY_ALERT = 112,
2399         WLAN_EID_MESH_CONFIG = 113,
2400         WLAN_EID_MESH_ID = 114,
2401         WLAN_EID_LINK_METRIC_REPORT = 115,
2402         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2403         WLAN_EID_PEER_MGMT = 117,
2404         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2405         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2406         WLAN_EID_BEACON_TIMING = 120,
2407         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2408         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2409         WLAN_EID_MCCAOP_ADVERT = 123,
2410         WLAN_EID_MCCAOP_TEARDOWN = 124,
2411         WLAN_EID_GANN = 125,
2412         WLAN_EID_RANN = 126,
2413         WLAN_EID_EXT_CAPABILITY = 127,
2414         /* 128, 129 reserved for Agere */
2415         WLAN_EID_PREQ = 130,
2416         WLAN_EID_PREP = 131,
2417         WLAN_EID_PERR = 132,
2418         /* 133-136 reserved for Cisco */
2419         WLAN_EID_PXU = 137,
2420         WLAN_EID_PXUC = 138,
2421         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2422         WLAN_EID_MIC = 140,
2423         WLAN_EID_DESTINATION_URI = 141,
2424         WLAN_EID_UAPSD_COEX = 142,
2425         WLAN_EID_WAKEUP_SCHEDULE = 143,
2426         WLAN_EID_EXT_SCHEDULE = 144,
2427         WLAN_EID_STA_AVAILABILITY = 145,
2428         WLAN_EID_DMG_TSPEC = 146,
2429         WLAN_EID_DMG_AT = 147,
2430         WLAN_EID_DMG_CAP = 148,
2431         /* 149 reserved for Cisco */
2432         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2433         WLAN_EID_DMG_OPERATION = 151,
2434         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2435         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2436         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2437         /* 155-156 reserved for Cisco */
2438         WLAN_EID_AWAKE_WINDOW = 157,
2439         WLAN_EID_MULTI_BAND = 158,
2440         WLAN_EID_ADDBA_EXT = 159,
2441         WLAN_EID_NEXT_PCP_LIST = 160,
2442         WLAN_EID_PCP_HANDOVER = 161,
2443         WLAN_EID_DMG_LINK_MARGIN = 162,
2444         WLAN_EID_SWITCHING_STREAM = 163,
2445         WLAN_EID_SESSION_TRANSITION = 164,
2446         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2447         WLAN_EID_CLUSTER_REPORT = 166,
2448         WLAN_EID_RELAY_CAP = 167,
2449         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2450         WLAN_EID_BEAM_LINK_MAINT = 169,
2451         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2452         WLAN_EID_U_PID = 171,
2453         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2454         /* 173 reserved for Symbol */
2455         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2456         WLAN_EID_QUIET_PERIOD_REQ = 175,
2457         /* 176 reserved for Symbol */
2458         WLAN_EID_QUIET_PERIOD_RESP = 177,
2459         /* 178-179 reserved for Symbol */
2460         /* 180 reserved for ISO/IEC 20011 */
2461         WLAN_EID_EPAC_POLICY = 182,
2462         WLAN_EID_CLISTER_TIME_OFF = 183,
2463         WLAN_EID_INTER_AC_PRIO = 184,
2464         WLAN_EID_SCS_DESCRIPTOR = 185,
2465         WLAN_EID_QLOAD_REPORT = 186,
2466         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2467         WLAN_EID_HL_STREAM_ID = 188,
2468         WLAN_EID_GCR_GROUP_ADDR = 189,
2469         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2470         WLAN_EID_VHT_CAPABILITY = 191,
2471         WLAN_EID_VHT_OPERATION = 192,
2472         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2473         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2474         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2475         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2476         WLAN_EID_AID = 197,
2477         WLAN_EID_QUIET_CHANNEL = 198,
2478         WLAN_EID_OPMODE_NOTIF = 199,
2479
2480         WLAN_EID_VENDOR_SPECIFIC = 221,
2481         WLAN_EID_QOS_PARAMETER = 222,
2482         WLAN_EID_CAG_NUMBER = 237,
2483         WLAN_EID_AP_CSN = 239,
2484         WLAN_EID_FILS_INDICATION = 240,
2485         WLAN_EID_DILS = 241,
2486         WLAN_EID_FRAGMENT = 242,
2487         WLAN_EID_EXTENSION = 255
2488 };
2489
2490 /* Element ID Extensions for Element ID 255 */
2491 enum ieee80211_eid_ext {
2492         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2493         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2494         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2495         WLAN_EID_EXT_FILS_SESSION = 4,
2496         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2497         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2498         WLAN_EID_EXT_KEY_DELIVERY = 7,
2499         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2500         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2501         WLAN_EID_EXT_FILS_NONCE = 13,
2502         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2503         WLAN_EID_EXT_HE_CAPABILITY = 35,
2504         WLAN_EID_EXT_HE_OPERATION = 36,
2505         WLAN_EID_EXT_UORA = 37,
2506         WLAN_EID_EXT_HE_MU_EDCA = 38,
2507         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2508         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2509         WLAN_EID_EXT_NON_INHERITANCE = 56,
2510 };
2511
2512 /* Action category code */
2513 enum ieee80211_category {
2514         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2515         WLAN_CATEGORY_QOS = 1,
2516         WLAN_CATEGORY_DLS = 2,
2517         WLAN_CATEGORY_BACK = 3,
2518         WLAN_CATEGORY_PUBLIC = 4,
2519         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2520         WLAN_CATEGORY_HT = 7,
2521         WLAN_CATEGORY_SA_QUERY = 8,
2522         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2523         WLAN_CATEGORY_WNM = 10,
2524         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2525         WLAN_CATEGORY_TDLS = 12,
2526         WLAN_CATEGORY_MESH_ACTION = 13,
2527         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2528         WLAN_CATEGORY_SELF_PROTECTED = 15,
2529         WLAN_CATEGORY_DMG = 16,
2530         WLAN_CATEGORY_WMM = 17,
2531         WLAN_CATEGORY_FST = 18,
2532         WLAN_CATEGORY_UNPROT_DMG = 20,
2533         WLAN_CATEGORY_VHT = 21,
2534         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2535         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2536 };
2537
2538 /* SPECTRUM_MGMT action code */
2539 enum ieee80211_spectrum_mgmt_actioncode {
2540         WLAN_ACTION_SPCT_MSR_REQ = 0,
2541         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2542         WLAN_ACTION_SPCT_TPC_REQ = 2,
2543         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2544         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2545 };
2546
2547 /* HT action codes */
2548 enum ieee80211_ht_actioncode {
2549         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2550         WLAN_HT_ACTION_SMPS = 1,
2551         WLAN_HT_ACTION_PSMP = 2,
2552         WLAN_HT_ACTION_PCO_PHASE = 3,
2553         WLAN_HT_ACTION_CSI = 4,
2554         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2555         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2556         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2557 };
2558
2559 /* VHT action codes */
2560 enum ieee80211_vht_actioncode {
2561         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2562         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2563         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2564 };
2565
2566 /* Self Protected Action codes */
2567 enum ieee80211_self_protected_actioncode {
2568         WLAN_SP_RESERVED = 0,
2569         WLAN_SP_MESH_PEERING_OPEN = 1,
2570         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2571         WLAN_SP_MESH_PEERING_CLOSE = 3,
2572         WLAN_SP_MGK_INFORM = 4,
2573         WLAN_SP_MGK_ACK = 5,
2574 };
2575
2576 /* Mesh action codes */
2577 enum ieee80211_mesh_actioncode {
2578         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2579         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2580         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2581         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2582         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2583         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2584         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2585         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2586         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2587         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2588         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2589 };
2590
2591 /* Security key length */
2592 enum ieee80211_key_len {
2593         WLAN_KEY_LEN_WEP40 = 5,
2594         WLAN_KEY_LEN_WEP104 = 13,
2595         WLAN_KEY_LEN_CCMP = 16,
2596         WLAN_KEY_LEN_CCMP_256 = 32,
2597         WLAN_KEY_LEN_TKIP = 32,
2598         WLAN_KEY_LEN_AES_CMAC = 16,
2599         WLAN_KEY_LEN_SMS4 = 32,
2600         WLAN_KEY_LEN_GCMP = 16,
2601         WLAN_KEY_LEN_GCMP_256 = 32,
2602         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2603         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2604         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2605 };
2606
2607 #define IEEE80211_WEP_IV_LEN            4
2608 #define IEEE80211_WEP_ICV_LEN           4
2609 #define IEEE80211_CCMP_HDR_LEN          8
2610 #define IEEE80211_CCMP_MIC_LEN          8
2611 #define IEEE80211_CCMP_PN_LEN           6
2612 #define IEEE80211_CCMP_256_HDR_LEN      8
2613 #define IEEE80211_CCMP_256_MIC_LEN      16
2614 #define IEEE80211_CCMP_256_PN_LEN       6
2615 #define IEEE80211_TKIP_IV_LEN           8
2616 #define IEEE80211_TKIP_ICV_LEN          4
2617 #define IEEE80211_CMAC_PN_LEN           6
2618 #define IEEE80211_GMAC_PN_LEN           6
2619 #define IEEE80211_GCMP_HDR_LEN          8
2620 #define IEEE80211_GCMP_MIC_LEN          16
2621 #define IEEE80211_GCMP_PN_LEN           6
2622
2623 #define FILS_NONCE_LEN                  16
2624 #define FILS_MAX_KEK_LEN                64
2625
2626 #define FILS_ERP_MAX_USERNAME_LEN       16
2627 #define FILS_ERP_MAX_REALM_LEN          253
2628 #define FILS_ERP_MAX_RRK_LEN            64
2629
2630 #define PMK_MAX_LEN                     64
2631 #define SAE_PASSWORD_MAX_LEN            128
2632
2633 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2634 enum ieee80211_pub_actioncode {
2635         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2636         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2637         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2638         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2639         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2640         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2641         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2642         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2643         WLAN_PUB_ACTION_DSE_PC = 8,
2644         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2645         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2646         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2647         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2648         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2649         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2650         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2651         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2652         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2653         WLAN_PUB_ACTION_QMF_POLICY = 18,
2654         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2655         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2656         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2657         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2658         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2659         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2660         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2661         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2662         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2663         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2664         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2665         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2666         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2667         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2668         WLAN_PUB_ACTION_FTM = 33,
2669         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2670 };
2671
2672 /* TDLS action codes */
2673 enum ieee80211_tdls_actioncode {
2674         WLAN_TDLS_SETUP_REQUEST = 0,
2675         WLAN_TDLS_SETUP_RESPONSE = 1,
2676         WLAN_TDLS_SETUP_CONFIRM = 2,
2677         WLAN_TDLS_TEARDOWN = 3,
2678         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2679         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2680         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2681         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2682         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2683         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2684         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2685 };
2686
2687 /* Extended Channel Switching capability to be set in the 1st byte of
2688  * the @WLAN_EID_EXT_CAPABILITY information element
2689  */
2690 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2691
2692 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2693  * @WLAN_EID_EXT_CAPABILITY information element
2694  */
2695 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2696
2697 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2698 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2699 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2700 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2701
2702 /* Interworking capabilities are set in 7th bit of 4th byte of the
2703  * @WLAN_EID_EXT_CAPABILITY information element
2704  */
2705 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2706
2707 /*
2708  * TDLS capabililites to be enabled in the 5th byte of the
2709  * @WLAN_EID_EXT_CAPABILITY information element
2710  */
2711 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2712 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2713 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2714
2715 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2716 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2717
2718 /* Defines the maximal number of MSDUs in an A-MSDU. */
2719 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2720 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2721
2722 /*
2723  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2724  * information element
2725  */
2726 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2727
2728 /* Defines support for TWT Requester and TWT Responder */
2729 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2730 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2731
2732 /*
2733  * When set, indicates that the AP is able to tolerate 26-tone RU UL
2734  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2735  * 26-tone RU UL OFDMA transmissions as radar pulses).
2736  */
2737 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2738
2739 /* Defines support for enhanced multi-bssid advertisement*/
2740 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2741
2742 /* TDLS specific payload type in the LLC/SNAP header */
2743 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2744
2745 /* BSS Coex IE information field bits */
2746 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2747
2748 /**
2749  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2750  *
2751  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2752  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2753  *      that will be specified in a vendor specific information element
2754  */
2755 enum ieee80211_mesh_sync_method {
2756         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2757         IEEE80211_SYNC_METHOD_VENDOR = 255,
2758 };
2759
2760 /**
2761  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2762  *
2763  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2764  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2765  *      be specified in a vendor specific information element
2766  */
2767 enum ieee80211_mesh_path_protocol {
2768         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2769         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2770 };
2771
2772 /**
2773  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2774  *
2775  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2776  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2777  *      specified in a vendor specific information element
2778  */
2779 enum ieee80211_mesh_path_metric {
2780         IEEE80211_PATH_METRIC_AIRTIME = 1,
2781         IEEE80211_PATH_METRIC_VENDOR = 255,
2782 };
2783
2784 /**
2785  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2786  *
2787  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2788  *
2789  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2790  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2791  *      this value
2792  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2793  *      the proactive PREQ with proactive PREP subfield set to 0
2794  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2795  *      supports the proactive PREQ with proactive PREP subfield set to 1
2796  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2797  *      the proactive RANN
2798  */
2799 enum ieee80211_root_mode_identifier {
2800         IEEE80211_ROOTMODE_NO_ROOT = 0,
2801         IEEE80211_ROOTMODE_ROOT = 1,
2802         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2803         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2804         IEEE80211_PROACTIVE_RANN = 4,
2805 };
2806
2807 /*
2808  * IEEE 802.11-2007 7.3.2.9 Country information element
2809  *
2810  * Minimum length is 8 octets, ie len must be evenly
2811  * divisible by 2
2812  */
2813
2814 /* Although the spec says 8 I'm seeing 6 in practice */
2815 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2816
2817 /* The Country String field of the element shall be 3 octets in length */
2818 #define IEEE80211_COUNTRY_STRING_LEN    3
2819
2820 /*
2821  * For regulatory extension stuff see IEEE 802.11-2007
2822  * Annex I (page 1141) and Annex J (page 1147). Also
2823  * review 7.3.2.9.
2824  *
2825  * When dot11RegulatoryClassesRequired is true and the
2826  * first_channel/reg_extension_id is >= 201 then the IE
2827  * compromises of the 'ext' struct represented below:
2828  *
2829  *  - Regulatory extension ID - when generating IE this just needs
2830  *    to be monotonically increasing for each triplet passed in
2831  *    the IE
2832  *  - Regulatory class - index into set of rules
2833  *  - Coverage class - index into air propagation time (Table 7-27),
2834  *    in microseconds, you can compute the air propagation time from
2835  *    the index by multiplying by 3, so index 10 yields a propagation
2836  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2837  *    yet. A value of 0 inicates air propagation of <= 1 us.
2838  *
2839  *  See also Table I.2 for Emission limit sets and table
2840  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2841  *  a reg_class to an emission limit set and behavior limit set.
2842  */
2843 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2844
2845 /*
2846  *  Channels numbers in the IE must be monotonically increasing
2847  *  if dot11RegulatoryClassesRequired is not true.
2848  *
2849  *  If dot11RegulatoryClassesRequired is true consecutive
2850  *  subband triplets following a regulatory triplet shall
2851  *  have monotonically increasing first_channel number fields.
2852  *
2853  *  Channel numbers shall not overlap.
2854  *
2855  *  Note that max_power is signed.
2856  */
2857 struct ieee80211_country_ie_triplet {
2858         union {
2859                 struct {
2860                         u8 first_channel;
2861                         u8 num_channels;
2862                         s8 max_power;
2863                 } __packed chans;
2864                 struct {
2865                         u8 reg_extension_id;
2866                         u8 reg_class;
2867                         u8 coverage_class;
2868                 } __packed ext;
2869         };
2870 } __packed;
2871
2872 enum ieee80211_timeout_interval_type {
2873         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2874         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2875         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2876 };
2877
2878 /**
2879  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2880  * @type: type, see &enum ieee80211_timeout_interval_type
2881  * @value: timeout interval value
2882  */
2883 struct ieee80211_timeout_interval_ie {
2884         u8 type;
2885         __le32 value;
2886 } __packed;
2887
2888 /**
2889  * enum ieee80211_idle_options - BSS idle options
2890  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2891  *      protected frame to the AP to reset the idle timer at the AP for
2892  *      the station.
2893  */
2894 enum ieee80211_idle_options {
2895         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2896 };
2897
2898 /**
2899  * struct ieee80211_bss_max_idle_period_ie
2900  *
2901  * This structure refers to "BSS Max idle period element"
2902  *
2903  * @max_idle_period: indicates the time period during which a station can
2904  *      refrain from transmitting frames to its associated AP without being
2905  *      disassociated. In units of 1000 TUs.
2906  * @idle_options: indicates the options associated with the BSS idle capability
2907  *      as specified in &enum ieee80211_idle_options.
2908  */
2909 struct ieee80211_bss_max_idle_period_ie {
2910         __le16 max_idle_period;
2911         u8 idle_options;
2912 } __packed;
2913
2914 /* BACK action code */
2915 enum ieee80211_back_actioncode {
2916         WLAN_ACTION_ADDBA_REQ = 0,
2917         WLAN_ACTION_ADDBA_RESP = 1,
2918         WLAN_ACTION_DELBA = 2,
2919 };
2920
2921 /* BACK (block-ack) parties */
2922 enum ieee80211_back_parties {
2923         WLAN_BACK_RECIPIENT = 0,
2924         WLAN_BACK_INITIATOR = 1,
2925 };
2926
2927 /* SA Query action */
2928 enum ieee80211_sa_query_action {
2929         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2930         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2931 };
2932
2933 /**
2934  * struct ieee80211_bssid_index
2935  *
2936  * This structure refers to "Multiple BSSID-index element"
2937  *
2938  * @bssid_index: BSSID index
2939  * @dtim_period: optional, overrides transmitted BSS dtim period
2940  * @dtim_count: optional, overrides transmitted BSS dtim count
2941  */
2942 struct ieee80211_bssid_index {
2943         u8 bssid_index;
2944         u8 dtim_period;
2945         u8 dtim_count;
2946 };
2947
2948 /**
2949  * struct ieee80211_multiple_bssid_configuration
2950  *
2951  * This structure refers to "Multiple BSSID Configuration element"
2952  *
2953  * @bssid_count: total number of active BSSIDs in the set
2954  * @profile_periodicity: the least number of beacon frames need to be received
2955  *      in order to discover all the nontransmitted BSSIDs in the set.
2956  */
2957 struct ieee80211_multiple_bssid_configuration {
2958         u8 bssid_count;
2959         u8 profile_periodicity;
2960 };
2961
2962 #define SUITE(oui, id) (((oui) << 8) | (id))
2963
2964 /* cipher suite selectors */
2965 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2966 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2967 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2968 /* reserved:                            SUITE(0x000FAC, 3) */
2969 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2970 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2971 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2972 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2973 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2974 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2975 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2976 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2977 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2978
2979 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2980
2981 /* AKM suite selectors */
2982 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2983 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2984 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2985 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2986 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2987 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2988 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2989 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2990 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2991 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2992 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2993 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2994 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2995 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2996 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2997
2998 #define WLAN_MAX_KEY_LEN                32
2999
3000 #define WLAN_PMK_NAME_LEN               16
3001 #define WLAN_PMKID_LEN                  16
3002 #define WLAN_PMK_LEN_EAP_LEAP           16
3003 #define WLAN_PMK_LEN                    32
3004 #define WLAN_PMK_LEN_SUITE_B_192        48
3005
3006 #define WLAN_OUI_WFA                    0x506f9a
3007 #define WLAN_OUI_TYPE_WFA_P2P           9
3008 #define WLAN_OUI_MICROSOFT              0x0050f2
3009 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3010 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3011 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3012 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3013
3014 /*
3015  * WMM/802.11e Tspec Element
3016  */
3017 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3018 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3019
3020 enum ieee80211_tspec_status_code {
3021         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3022         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3023 };
3024
3025 struct ieee80211_tspec_ie {
3026         u8 element_id;
3027         u8 len;
3028         u8 oui[3];
3029         u8 oui_type;
3030         u8 oui_subtype;
3031         u8 version;
3032         __le16 tsinfo;
3033         u8 tsinfo_resvd;
3034         __le16 nominal_msdu;
3035         __le16 max_msdu;
3036         __le32 min_service_int;
3037         __le32 max_service_int;
3038         __le32 inactivity_int;
3039         __le32 suspension_int;
3040         __le32 service_start_time;
3041         __le32 min_data_rate;
3042         __le32 mean_data_rate;
3043         __le32 peak_data_rate;
3044         __le32 max_burst_size;
3045         __le32 delay_bound;
3046         __le32 min_phy_rate;
3047         __le16 sba;
3048         __le16 medium_time;
3049 } __packed;
3050
3051 /**
3052  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3053  * @hdr: the frame
3054  *
3055  * The qos ctrl bytes come after the frame_control, duration, seq_num
3056  * and 3 or 4 addresses of length ETH_ALEN.
3057  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3058  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3059  */
3060 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3061 {
3062         if (ieee80211_has_a4(hdr->frame_control))
3063                 return (u8 *)hdr + 30;
3064         else
3065                 return (u8 *)hdr + 24;
3066 }
3067
3068 /**
3069  * ieee80211_get_tid - get qos TID
3070  * @hdr: the frame
3071  */
3072 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3073 {
3074         u8 *qc = ieee80211_get_qos_ctl(hdr);
3075
3076         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3077 }
3078
3079 /**
3080  * ieee80211_get_SA - get pointer to SA
3081  * @hdr: the frame
3082  *
3083  * Given an 802.11 frame, this function returns the offset
3084  * to the source address (SA). It does not verify that the
3085  * header is long enough to contain the address, and the
3086  * header must be long enough to contain the frame control
3087  * field.
3088  */
3089 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3090 {
3091         if (ieee80211_has_a4(hdr->frame_control))
3092                 return hdr->addr4;
3093         if (ieee80211_has_fromds(hdr->frame_control))
3094                 return hdr->addr3;
3095         return hdr->addr2;
3096 }
3097
3098 /**
3099  * ieee80211_get_DA - get pointer to DA
3100  * @hdr: the frame
3101  *
3102  * Given an 802.11 frame, this function returns the offset
3103  * to the destination address (DA). It does not verify that
3104  * the header is long enough to contain the address, and the
3105  * header must be long enough to contain the frame control
3106  * field.
3107  */
3108 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3109 {
3110         if (ieee80211_has_tods(hdr->frame_control))
3111                 return hdr->addr3;
3112         else
3113                 return hdr->addr1;
3114 }
3115
3116 /**
3117  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3118  * @hdr: the frame (buffer must include at least the first octet of payload)
3119  */
3120 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3121 {
3122         if (ieee80211_is_disassoc(hdr->frame_control) ||
3123             ieee80211_is_deauth(hdr->frame_control))
3124                 return true;
3125
3126         if (ieee80211_is_action(hdr->frame_control)) {
3127                 u8 *category;
3128
3129                 /*
3130                  * Action frames, excluding Public Action frames, are Robust
3131                  * Management Frames. However, if we are looking at a Protected
3132                  * frame, skip the check since the data may be encrypted and
3133                  * the frame has already been found to be a Robust Management
3134                  * Frame (by the other end).
3135                  */
3136                 if (ieee80211_has_protected(hdr->frame_control))
3137                         return true;
3138                 category = ((u8 *) hdr) + 24;
3139                 return *category != WLAN_CATEGORY_PUBLIC &&
3140                         *category != WLAN_CATEGORY_HT &&
3141                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3142                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3143                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3144                         *category != WLAN_CATEGORY_VHT &&
3145                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3146         }
3147
3148         return false;
3149 }
3150
3151 /**
3152  * ieee80211_is_public_action - check if frame is a public action frame
3153  * @hdr: the frame
3154  * @len: length of the frame
3155  */
3156 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3157                                               size_t len)
3158 {
3159         struct ieee80211_mgmt *mgmt = (void *)hdr;
3160
3161         if (len < IEEE80211_MIN_ACTION_SIZE)
3162                 return false;
3163         if (!ieee80211_is_action(hdr->frame_control))
3164                 return false;
3165         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3166 }
3167
3168 static inline bool is_multicast_ether_addr(const u8 *a)
3169 {
3170         return 0x01 & a[0];
3171 }
3172
3173 /**
3174  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3175  * privacy action frame
3176  * @hdr: the frame
3177  */
3178 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3179 {
3180         struct ieee80211_mgmt *mgmt = (void *)hdr;
3181
3182         if (!ieee80211_is_action(hdr->frame_control) ||
3183             !is_multicast_ether_addr(hdr->addr1))
3184                 return false;
3185
3186         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3187                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3188 }
3189
3190 /**
3191  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3192  * @tu: the TUs
3193  */
3194 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3195 {
3196         return 1024 * tu;
3197 }
3198
3199 /**
3200  * ieee80211_check_tim - check if AID bit is set in TIM
3201  * @tim: the TIM IE
3202  * @tim_len: length of the TIM IE
3203  * @aid: the AID to look for
3204  */
3205 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3206                                        u8 tim_len, u16 aid)
3207 {
3208         u8 mask;
3209         u8 indexn0, indexn1, indexn2;
3210
3211         if (unlikely(!tim || tim_len < sizeof(*tim)))
3212                 return false;
3213
3214         aid &= 0x3fff;
3215         indexn0 = aid / 8;
3216         mask  = 1 << (aid & 7);
3217
3218         indexn1 = tim->bitmap_ctrl & 0xfe;
3219         indexn2 = tim_len + indexn1 - 4;
3220
3221         if (indexn0 < indexn1 || indexn0 > indexn2)
3222                 return false;
3223
3224         indexn0 -= indexn1;
3225
3226         return !!(tim->virtual_map[indexn0] & mask);
3227 }
3228
3229 /* convert time units */
3230 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3231 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3232
3233 struct element {
3234         u8 id;
3235         u8 datalen;
3236         u8 data[];
3237 } __packed;
3238
3239 /* element iteration helpers */
3240 #define for_each_element(_elem, _data, _datalen)                        \
3241         for (_elem = (const struct element *)(_data);                   \
3242              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3243                 (int)sizeof(*_elem) &&                                  \
3244              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3245                 (int)sizeof(*_elem) + _elem->datalen;                   \
3246              _elem = (const struct element *)(_elem->data + _elem->datalen))
3247
3248 #define for_each_element_id(element, _id, data, datalen)                \
3249         for_each_element(element, data, datalen)                        \
3250                 if (element->id == (_id))
3251
3252 #define for_each_element_extid(element, extid, _data, _datalen)         \
3253         for_each_element(element, _data, _datalen)                      \
3254                 if (element->id == WLAN_EID_EXTENSION &&                \
3255                     element->datalen > 0 &&                             \
3256                     element->data[0] == (extid))
3257
3258 #define for_each_subelement(sub, element)                               \
3259         for_each_element(sub, (element)->data, (element)->datalen)
3260
3261 #define for_each_subelement_id(sub, id, element)                        \
3262         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3263
3264 #define for_each_subelement_extid(sub, extid, element)                  \
3265         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3266
3267 /**
3268  * for_each_element_completed - determine if element parsing consumed all data
3269  * @element: element pointer after for_each_element() or friends
3270  * @data: same data pointer as passed to for_each_element() or friends
3271  * @datalen: same data length as passed to for_each_element() or friends
3272  *
3273  * This function returns %true if all the data was parsed or considered
3274  * while walking the elements. Only use this if your for_each_element()
3275  * loop cannot be broken out of, otherwise it always returns %false.
3276  *
3277  * If some data was malformed, this returns %false since the last parsed
3278  * element will not fill the whole remaining data.
3279  */
3280 static inline bool for_each_element_completed(const struct element *element,
3281                                               const void *data, size_t datalen)
3282 {
3283         return (const u8 *)element == (const u8 *)data + datalen;
3284 }
3285
3286 #endif /* __LINUX_IEEE80211_H */