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 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
 887 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
 888 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
 889
 890 struct ieee80211_addba_ext_ie {
 891         u8 data;
 892 } __packed;
 893
 894 struct ieee80211_mgmt {
 895         __le16 frame_control;
 896         __le16 duration;
 897         u8 da[6];
 898         u8 sa[6];
 899         u8 bssid[6];
 900         __le16 seq_ctrl;
 901         union {
 902                 struct {
 903                         __le16 auth_alg;
 904                         __le16 auth_transaction;
 905                         __le16 status_code;
 906                         /* possibly followed by Challenge text */
 907                         u8 variable[0];
 908                 } __packed __aligned(4) auth;
 909                 struct {
 910                         __le16 reason_code;
 911                 } __packed __aligned(4) deauth;
 912                 struct {
 913                         __le16 capab_info;
 914                         __le16 listen_interval;
 915                         /* followed by SSID and Supported rates */
 916                         u8 variable[0];
 917                 } __packed __aligned(4) assoc_req;
 918                 struct {
 919                         __le16 capab_info;
 920                         __le16 status_code;
 921                         __le16 aid;
 922                         /* followed by Supported rates */
 923                         u8 variable[0];
 924                 } __packed __aligned(4) assoc_resp, reassoc_resp;
 925                 struct {
 926                         __le16 capab_info;
 927                         __le16 listen_interval;
 928                         u8 current_ap[6];
 929                         /* followed by SSID and Supported rates */
 930                         u8 variable[0];
 931                 } __packed __aligned(4) reassoc_req;
 932                 struct {
 933                         __le16 reason_code;
 934                 } __packed __aligned(4) disassoc;
 935                 struct {
 936                         __le64 timestamp;
 937                         __le16 beacon_int;
 938                         __le16 capab_info;
 939                         /* followed by some of SSID, Supported rates,
 940                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 941                         u8 variable[0];
 942                 } __packed __aligned(4) beacon;
 943                 struct {
 944                         /* only variable items: SSID, Supported rates */
 945                         u8 variable[0];
 946                 } __packed __aligned(4) probe_req;
 947                 struct {
 948                         __le64 timestamp;
 949                         __le16 beacon_int;
 950                         __le16 capab_info;
 951                         /* followed by some of SSID, Supported rates,
 952                          * FH Params, DS Params, CF Params, IBSS Params */
 953                         u8 variable[0];
 954                 } __packed __aligned(4) probe_resp;
 955                 struct {
 956                         u8 category;
 957                         union {
 958                                 struct {
 959                                         u8 action_code;
 960                                         u8 dialog_token;
 961                                         u8 status_code;
 962                                         u8 variable[0];
 963                                 } __packed wme_action;
 964                                 struct{
 965                                         u8 action_code;
 966                                         u8 variable[0];
 967                                 } __packed chan_switch;
 968                                 struct{
 969                                         u8 action_code;
 970                                         struct ieee80211_ext_chansw_ie data;
 971                                         u8 variable[0];
 972                                 } __packed ext_chan_switch;
 973                                 struct{
 974                                         u8 action_code;
 975                                         u8 dialog_token;
 976                                         u8 element_id;
 977                                         u8 length;
 978                                         struct ieee80211_msrment_ie msr_elem;
 979                                 } __packed measurement;
 980                                 struct{
 981                                         u8 action_code;
 982                                         u8 dialog_token;
 983                                         __le16 capab;
 984                                         __le16 timeout;
 985                                         __le16 start_seq_num;
 986                                         /* followed by BA Extension */
 987                                         u8 variable[0];
 988                                 } __packed addba_req;
 989                                 struct{
 990                                         u8 action_code;
 991                                         u8 dialog_token;
 992                                         __le16 status;
 993                                         __le16 capab;
 994                                         __le16 timeout;
 995                                 } __packed addba_resp;
 996                                 struct{
 997                                         u8 action_code;
 998                                         __le16 params;
 999                                         __le16 reason_code;
1000                                 } __packed delba;
1001                                 struct {
1002                                         u8 action_code;
1003                                         u8 variable[0];
1004                                 } __packed self_prot;
1005                                 struct{
1006                                         u8 action_code;
1007                                         u8 variable[0];
1008                                 } __packed mesh_action;
1009                                 struct {
1010                                         u8 action;
1011                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1012                                 } __packed sa_query;
1013                                 struct {
1014                                         u8 action;
1015                                         u8 smps_control;
1016                                 } __packed ht_smps;
1017                                 struct {
1018                                         u8 action_code;
1019                                         u8 chanwidth;
1020                                 } __packed ht_notify_cw;
1021                                 struct {
1022                                         u8 action_code;
1023                                         u8 dialog_token;
1024                                         __le16 capability;
1025                                         u8 variable[0];
1026                                 } __packed tdls_discover_resp;
1027                                 struct {
1028                                         u8 action_code;
1029                                         u8 operating_mode;
1030                                 } __packed vht_opmode_notif;
1031                                 struct {
1032                                         u8 action_code;
1033                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1034                                         u8 position[WLAN_USER_POSITION_LEN];
1035                                 } __packed vht_group_notif;
1036                                 struct {
1037                                         u8 action_code;
1038                                         u8 dialog_token;
1039                                         u8 tpc_elem_id;
1040                                         u8 tpc_elem_length;
1041                                         struct ieee80211_tpc_report_ie tpc;
1042                                 } __packed tpc_report;
1043                                 struct {
1044                                         u8 action_code;
1045                                         u8 dialog_token;
1046                                         u8 follow_up;
1047                                         u8 tod[6];
1048                                         u8 toa[6];
1049                                         __le16 tod_error;
1050                                         __le16 toa_error;
1051                                         u8 variable[0];
1052                                 } __packed ftm;
1053                         } u;
1054                 } __packed __aligned(4) action;
1055         } u __aligned(2);
1056 } __packed __aligned(2);
1057
1058 /* Supported rates membership selectors */
1059 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1060 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1061
1062 /* mgmt header + 1 byte category code */
1063 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1064
1065
1066 /* Management MIC information element (IEEE 802.11w) */
1067 struct ieee80211_mmie {
1068         u8 element_id;
1069         u8 length;
1070         __le16 key_id;
1071         u8 sequence_number[6];
1072         u8 mic[8];
1073 } __packed;
1074
1075 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1076 struct ieee80211_mmie_16 {
1077         u8 element_id;
1078         u8 length;
1079         __le16 key_id;
1080         u8 sequence_number[6];
1081         u8 mic[16];
1082 } __packed;
1083
1084 struct ieee80211_vendor_ie {
1085         u8 element_id;
1086         u8 len;
1087         u8 oui[3];
1088         u8 oui_type;
1089 } __packed;
1090
1091 struct ieee80211_wmm_ac_param {
1092         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1093         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1094         __le16 txop_limit;
1095 } __packed;
1096
1097 struct ieee80211_wmm_param_ie {
1098         u8 element_id; /* Element ID: 221 (0xdd); */
1099         u8 len; /* Length: 24 */
1100         /* required fields for WMM version 1 */
1101         u8 oui[3]; /* 00:50:f2 */
1102         u8 oui_type; /* 2 */
1103         u8 oui_subtype; /* 1 */
1104         u8 version; /* 1 for WMM version 1.0 */
1105         u8 qos_info; /* AP/STA specific QoS info */
1106         u8 reserved; /* 0 */
1107         /* AC_BE, AC_BK, AC_VI, AC_VO */
1108         struct ieee80211_wmm_ac_param ac[4];
1109 } __packed;
1110
1111 /* Control frames */
1112 struct ieee80211_rts {
1113         __le16 frame_control;
1114         __le16 duration;
1115         u8 ra[6];
1116         u8 ta[6];
1117 } __packed __aligned(2);
1118
1119 struct ieee80211_cts {
1120         __le16 frame_control;
1121         __le16 duration;
1122         u8 ra[6];
1123 } __packed __aligned(2);
1124
1125 struct ieee80211_pspoll {
1126         __le16 frame_control;
1127         __le16 aid;
1128         u8 bssid[6];
1129         u8 ta[6];
1130 } __packed __aligned(2);
1131
1132 /* TDLS */
1133
1134 /* Channel switch timing */
1135 struct ieee80211_ch_switch_timing {
1136         __le16 switch_time;
1137         __le16 switch_timeout;
1138 } __packed;
1139
1140 /* Link-id information element */
1141 struct ieee80211_tdls_lnkie {
1142         u8 ie_type; /* Link Identifier IE */
1143         u8 ie_len;
1144         u8 bssid[6];
1145         u8 init_sta[6];
1146         u8 resp_sta[6];
1147 } __packed;
1148
1149 struct ieee80211_tdls_data {
1150         u8 da[6];
1151         u8 sa[6];
1152         __be16 ether_type;
1153         u8 payload_type;
1154         u8 category;
1155         u8 action_code;
1156         union {
1157                 struct {
1158                         u8 dialog_token;
1159                         __le16 capability;
1160                         u8 variable[0];
1161                 } __packed setup_req;
1162                 struct {
1163                         __le16 status_code;
1164                         u8 dialog_token;
1165                         __le16 capability;
1166                         u8 variable[0];
1167                 } __packed setup_resp;
1168                 struct {
1169                         __le16 status_code;
1170                         u8 dialog_token;
1171                         u8 variable[0];
1172                 } __packed setup_cfm;
1173                 struct {
1174                         __le16 reason_code;
1175                         u8 variable[0];
1176                 } __packed teardown;
1177                 struct {
1178                         u8 dialog_token;
1179                         u8 variable[0];
1180                 } __packed discover_req;
1181                 struct {
1182                         u8 target_channel;
1183                         u8 oper_class;
1184                         u8 variable[0];
1185                 } __packed chan_switch_req;
1186                 struct {
1187                         __le16 status_code;
1188                         u8 variable[0];
1189                 } __packed chan_switch_resp;
1190         } u;
1191 } __packed;
1192
1193 /*
1194  * Peer-to-Peer IE attribute related definitions.
1195  */
1196 /**
1197  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1198  */
1199 enum ieee80211_p2p_attr_id {
1200         IEEE80211_P2P_ATTR_STATUS = 0,
1201         IEEE80211_P2P_ATTR_MINOR_REASON,
1202         IEEE80211_P2P_ATTR_CAPABILITY,
1203         IEEE80211_P2P_ATTR_DEVICE_ID,
1204         IEEE80211_P2P_ATTR_GO_INTENT,
1205         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1206         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1207         IEEE80211_P2P_ATTR_GROUP_BSSID,
1208         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1209         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1210         IEEE80211_P2P_ATTR_MANAGABILITY,
1211         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1212         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1213         IEEE80211_P2P_ATTR_DEVICE_INFO,
1214         IEEE80211_P2P_ATTR_GROUP_INFO,
1215         IEEE80211_P2P_ATTR_GROUP_ID,
1216         IEEE80211_P2P_ATTR_INTERFACE,
1217         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1218         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1219         /* 19 - 220: Reserved */
1220         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1221
1222         IEEE80211_P2P_ATTR_MAX
1223 };
1224
1225 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1226 /* Typical max value used here */
1227 #define IEEE80211_P2P_NOA_DESC_MAX      4
1228
1229 struct ieee80211_p2p_noa_desc {
1230         u8 count;
1231         __le32 duration;
1232         __le32 interval;
1233         __le32 start_time;
1234 } __packed;
1235
1236 struct ieee80211_p2p_noa_attr {
1237         u8 index;
1238         u8 oppps_ctwindow;
1239         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1240 } __packed;
1241
1242 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1243 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1244
1245 /**
1246  * struct ieee80211_bar - HT Block Ack Request
1247  *
1248  * This structure refers to "HT BlockAckReq" as
1249  * described in 802.11n draft section 7.2.1.7.1
1250  */
1251 struct ieee80211_bar {
1252         __le16 frame_control;
1253         __le16 duration;
1254         __u8 ra[6];
1255         __u8 ta[6];
1256         __le16 control;
1257         __le16 start_seq_num;
1258 } __packed __aligned(2);
1259
1260 /* 802.11 BA(R) control masks */
1261 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1262 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1263 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1264 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1265 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1266
1267 /**
1268  * struct ieee80211_ba - HT Block Ack
1269  *
1270  * This structure refers to "HT BlockAck" as
1271  * described in 802.11n draft section 7.2.1.8.1
1272  */
1273 struct ieee80211_ba {
1274         __le16 frame_control;
1275         __le16 duration;
1276         u8 ra[6];
1277         u8 ta[6];
1278         __le16 control;
1279
1280         __le16 start_seq_num;
1281         u8 bitmap[8];
1282 } __packed;
1283
1284 #define IEEE80211_HT_MCS_MASK_LEN               10
1285
1286 /**
1287  * struct ieee80211_mcs_info - MCS information
1288  * @rx_mask: RX mask
1289  * @rx_highest: highest supported RX rate. If set represents
1290  *      the highest supported RX data rate in units of 1 Mbps.
1291  *      If this field is 0 this value should not be used to
1292  *      consider the highest RX data rate supported.
1293  * @tx_params: TX parameters
1294  */
1295 struct ieee80211_mcs_info {
1296         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1297         __le16 rx_highest;
1298         u8 tx_params;
1299         u8 reserved[3];
1300 } __packed;
1301
1302 /* 802.11n HT capability MSC set */
1303 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1304 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1305 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1306 /* value 0 == 1 stream etc */
1307 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1308 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1309 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1310 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1311
1312 /*
1313  * 802.11n D5.0 20.3.5 / 20.6 says:
1314  * - indices 0 to 7 and 32 are single spatial stream
1315  * - 8 to 31 are multiple spatial streams using equal modulation
1316  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1317  * - remainder are multiple spatial streams using unequal modulation
1318  */
1319 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1320 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1321         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1322
1323 /**
1324  * struct ieee80211_ht_cap - HT capabilities
1325  *
1326  * This structure is the "HT capabilities element" as
1327  * described in 802.11n D5.0 7.3.2.57
1328  */
1329 struct ieee80211_ht_cap {
1330         __le16 cap_info;
1331         u8 ampdu_params_info;
1332
1333         /* 16 bytes MCS information */
1334         struct ieee80211_mcs_info mcs;
1335
1336         __le16 extended_ht_cap_info;
1337         __le32 tx_BF_cap_info;
1338         u8 antenna_selection_info;
1339 } __packed;
1340
1341 /* 802.11n HT capabilities masks (for cap_info) */
1342 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1343 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1344 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1345 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1346 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1347 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1348 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1349 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1350 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1351 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1352 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1353 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1354 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1355 #define IEEE80211_HT_CAP_RESERVED               0x2000
1356 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1357 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1358
1359 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1360 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1361 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1362 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1363 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1364 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1365 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1366 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1367
1368 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1369 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1370 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1371 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1372
1373 /*
1374  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1375  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1376  */
1377 enum ieee80211_max_ampdu_length_exp {
1378         IEEE80211_HT_MAX_AMPDU_8K = 0,
1379         IEEE80211_HT_MAX_AMPDU_16K = 1,
1380         IEEE80211_HT_MAX_AMPDU_32K = 2,
1381         IEEE80211_HT_MAX_AMPDU_64K = 3
1382 };
1383
1384 /*
1385  * Maximum length of AMPDU that the STA can receive in VHT.
1386  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1387  */
1388 enum ieee80211_vht_max_ampdu_length_exp {
1389         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1390         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1391         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1392         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1393         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1394         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1395         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1396         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1397 };
1398
1399 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1400
1401 /* Minimum MPDU start spacing */
1402 enum ieee80211_min_mpdu_spacing {
1403         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1404         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1405         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1406         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1407         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1408         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1409         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1410         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1411 };
1412
1413 /**
1414  * struct ieee80211_ht_operation - HT operation IE
1415  *
1416  * This structure is the "HT operation element" as
1417  * described in 802.11n-2009 7.3.2.57
1418  */
1419 struct ieee80211_ht_operation {
1420         u8 primary_chan;
1421         u8 ht_param;
1422         __le16 operation_mode;
1423         __le16 stbc_param;
1424         u8 basic_set[16];
1425 } __packed;
1426
1427 /* for ht_param */
1428 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1429 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1430 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1431 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1432 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1433 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1434
1435 /* for operation_mode */
1436 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1437 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1438 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1439 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1440 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1441 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1442 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1443 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1444 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1445
1446 /* for stbc_param */
1447 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1448 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1449 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1450 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1451 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1452 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1453
1454
1455 /* block-ack parameters */
1456 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1457 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1458 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1459 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1460 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1461 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1462
1463 /*
1464  * A-MPDU buffer sizes
1465  * According to HT size varies from 8 to 64 frames
1466  * HE adds the ability to have up to 256 frames.
1467  */
1468 #define IEEE80211_MIN_AMPDU_BUF         0x8
1469 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1470 #define IEEE80211_MAX_AMPDU_BUF         0x100
1471
1472
1473 /* Spatial Multiplexing Power Save Modes (for capability) */
1474 #define WLAN_HT_CAP_SM_PS_STATIC        0
1475 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1476 #define WLAN_HT_CAP_SM_PS_INVALID       2
1477 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1478
1479 /* for SM power control field lower two bits */
1480 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1481 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1482 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1483
1484 /**
1485  * struct ieee80211_vht_mcs_info - VHT MCS information
1486  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1487  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1488  *      STA can receive. Rate expressed in units of 1 Mbps.
1489  *      If this field is 0 this value should not be used to
1490  *      consider the highest RX data rate supported.
1491  *      The top 3 bits of this field indicate the Maximum NSTS,total
1492  *      (a beamformee capability.)
1493  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1494  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1495  *      STA can transmit. Rate expressed in units of 1 Mbps.
1496  *      If this field is 0 this value should not be used to
1497  *      consider the highest TX data rate supported.
1498  *      The top 2 bits of this field are reserved, the
1499  *      3rd bit from the top indiciates VHT Extended NSS BW
1500  *      Capability.
1501  */
1502 struct ieee80211_vht_mcs_info {
1503         __le16 rx_mcs_map;
1504         __le16 rx_highest;
1505         __le16 tx_mcs_map;
1506         __le16 tx_highest;
1507 } __packed;
1508
1509 /* for rx_highest */
1510 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1511 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1512
1513 /* for tx_highest */
1514 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1515
1516 /**
1517  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1518  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1519  *      number of streams
1520  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1521  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1522  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1523  *
1524  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1525  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1526  * both split into 8 subfields by number of streams. These values indicate
1527  * which MCSes are supported for the number of streams the value appears
1528  * for.
1529  */
1530 enum ieee80211_vht_mcs_support {
1531         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1532         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1533         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1534         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1535 };
1536
1537 /**
1538  * struct ieee80211_vht_cap - VHT capabilities
1539  *
1540  * This structure is the "VHT capabilities element" as
1541  * described in 802.11ac D3.0 8.4.2.160
1542  * @vht_cap_info: VHT capability info
1543  * @supp_mcs: VHT MCS supported rates
1544  */
1545 struct ieee80211_vht_cap {
1546         __le32 vht_cap_info;
1547         struct ieee80211_vht_mcs_info supp_mcs;
1548 } __packed;
1549
1550 /**
1551  * enum ieee80211_vht_chanwidth - VHT channel width
1552  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1553  *      determine the channel width (20 or 40 MHz)
1554  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1555  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1556  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1557  */
1558 enum ieee80211_vht_chanwidth {
1559         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1560         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1561         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1562         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1563 };
1564
1565 /**
1566  * struct ieee80211_vht_operation - VHT operation IE
1567  *
1568  * This structure is the "VHT operation element" as
1569  * described in 802.11ac D3.0 8.4.2.161
1570  * @chan_width: Operating channel width
1571  * @center_freq_seg0_idx: center freq segment 0 index
1572  * @center_freq_seg1_idx: center freq segment 1 index
1573  * @basic_mcs_set: VHT Basic MCS rate set
1574  */
1575 struct ieee80211_vht_operation {
1576         u8 chan_width;
1577         u8 center_freq_seg0_idx;
1578         u8 center_freq_seg1_idx;
1579         __le16 basic_mcs_set;
1580 } __packed;
1581
1582 /**
1583  * struct ieee80211_he_cap_elem - HE capabilities element
1584  *
1585  * This structure is the "HE capabilities element" fixed fields as
1586  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1587  */
1588 struct ieee80211_he_cap_elem {
1589         u8 mac_cap_info[6];
1590         u8 phy_cap_info[11];
1591 } __packed;
1592
1593 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1594
1595 /**
1596  * enum ieee80211_he_mcs_support - HE MCS support definitions
1597  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1598  *      number of streams
1599  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1600  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1601  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1602  *
1603  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1604  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1605  * both split into 8 subfields by number of streams. These values indicate
1606  * which MCSes are supported for the number of streams the value appears
1607  * for.
1608  */
1609 enum ieee80211_he_mcs_support {
1610         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1611         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1612         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1613         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1614 };
1615
1616 /**
1617  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1618  *
1619  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1620  * described in P802.11ax_D2.0 section 9.4.2.237.4
1621  *
1622  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1623  *     widths less than 80MHz.
1624  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1625  *     widths less than 80MHz.
1626  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1627  *     width 160MHz.
1628  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1629  *     width 160MHz.
1630  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1631  *     channel width 80p80MHz.
1632  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1633  *     channel width 80p80MHz.
1634  */
1635 struct ieee80211_he_mcs_nss_supp {
1636         __le16 rx_mcs_80;
1637         __le16 tx_mcs_80;
1638         __le16 rx_mcs_160;
1639         __le16 tx_mcs_160;
1640         __le16 rx_mcs_80p80;
1641         __le16 tx_mcs_80p80;
1642 } __packed;
1643
1644 /**
1645  * struct ieee80211_he_operation - HE capabilities element
1646  *
1647  * This structure is the "HE operation element" fields as
1648  * described in P802.11ax_D4.0 section 9.4.2.243
1649  */
1650 struct ieee80211_he_operation {
1651         __le32 he_oper_params;
1652         __le16 he_mcs_nss_set;
1653         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1654         u8 optional[0];
1655 } __packed;
1656
1657 /**
1658  * struct ieee80211_he_spr - HE spatial reuse element
1659  *
1660  * This structure is the "HE spatial reuse element" element as
1661  * described in P802.11ax_D4.0 section 9.4.2.241
1662  */
1663 struct ieee80211_he_spr {
1664         u8 he_sr_control;
1665         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1666         u8 optional[0];
1667 } __packed;
1668
1669 /**
1670  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1671  *
1672  * This structure is the "MU AC Parameter Record" fields as
1673  * described in P802.11ax_D4.0 section 9.4.2.245
1674  */
1675 struct ieee80211_he_mu_edca_param_ac_rec {
1676         u8 aifsn;
1677         u8 ecw_min_max;
1678         u8 mu_edca_timer;
1679 } __packed;
1680
1681 /**
1682  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1683  *
1684  * This structure is the "MU EDCA Parameter Set element" fields as
1685  * described in P802.11ax_D4.0 section 9.4.2.245
1686  */
1687 struct ieee80211_mu_edca_param_set {
1688         u8 mu_qos_info;
1689         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1690         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1691         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1692         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1693 } __packed;
1694
1695 /* 802.11ac VHT Capabilities */
1696 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1697 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1698 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1699 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1700 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1701 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1702 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1703 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1704 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1705 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1706 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1707 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1708 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1709 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1710 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1711 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1712 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1713 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1714 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1715 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1716 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1717 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1718                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1719 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1720 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1721                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1722 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1723 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1724 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1725 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1726 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1727 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1728                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1729 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1730 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1731 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1732 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1733 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1734 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1735
1736 /**
1737  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1738  * @cap: VHT capabilities of the peer
1739  * @bw: bandwidth to use
1740  * @mcs: MCS index to use
1741  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1742  *      (rate scaling algorithm) can deal with the new logic
1743  *      (dot11VHTExtendedNSSBWCapable)
1744  *
1745  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1746  * vary for a given BW/MCS. This function parses the data.
1747  *
1748  * Note: This function is exported by cfg80211.
1749  */
1750 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1751                               enum ieee80211_vht_chanwidth bw,
1752                               int mcs, bool ext_nss_bw_capable);
1753
1754 /* 802.11ax HE MAC capabilities */
1755 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1756 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1757 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1758 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1759 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1760 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1761 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1762 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1763 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1764 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1765 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1766 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1767 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1768 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1769 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1770 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1771 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1772
1773 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1774 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1775 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1776 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1777 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1778 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1779 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1780 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1781 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1782 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1783 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1784 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1785 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1786 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1787 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1788 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1789 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1790 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1791
1792 /* Link adaptation is split between byte HE_MAC_CAP1 and
1793  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1794  * in which case the following values apply:
1795  * 0 = No feedback.
1796  * 1 = reserved.
1797  * 2 = Unsolicited feedback.
1798  * 3 = both
1799  */
1800 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1801
1802 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1803 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1804 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1805 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1806 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1807 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1808 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1809 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1810
1811 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1812 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1813
1814 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1815  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1816  * same field in the HE capabilities.
1817  */
1818 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1819 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1820 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1821 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1822 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1823 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1824 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1825 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1826
1827 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1828 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1829 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1830 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1831 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1832 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1833 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1834 /* Multi TID agg TX is split between byte #4 and #5
1835  * The value is a combination of B39,B40,B41
1836  */
1837 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1838
1839 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1840 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1841 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1842 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1843 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1844 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1845 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1846 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1847
1848 /* 802.11ax HE PHY capabilities */
1849 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1850 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1851 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1852 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1853 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1854 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1855 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1856
1857 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1858 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1859 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1860 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1861 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1862 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1863 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1864 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1865 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1866 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1867
1868 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1869 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1870 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1871 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1872 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1873 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1874
1875 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1876  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1877  * case it indicates support for Tx.
1878  */
1879 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1880 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1881
1882 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1883 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1884 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1885 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1886 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1887 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1888 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1889 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1890 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1891 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1892 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1893 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1894 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1895 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1896 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1897 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1898
1899 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1900 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1901
1902 /* Minimal allowed value of Max STS under 80MHz is 3 */
1903 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1904 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1905 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1906 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1907 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1908 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1909
1910 /* Minimal allowed value of Max STS above 80MHz is 3 */
1911 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1912 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1913 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1914 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1915 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1916 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1917
1918 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1919 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1920 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1921 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1922 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1923 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1924 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1925 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1926 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1927
1928 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1929 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1930 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1931 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1932 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1933 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1934 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1935 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1936 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1937
1938 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1939 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1940
1941 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1942 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1943 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1944 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1945 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1946 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1947 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1948 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1949
1950 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1951 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1952 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1953 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1954 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1955 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1956 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1957 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1958 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1959 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1960 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1961 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1962 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1963
1964 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1965 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1966 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1967 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1968 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1969 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1970 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1971 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1972 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1973 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1974 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1975
1976 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1977 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1978 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1979 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1980 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1981 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1982 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1983 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
1984 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
1985 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
1986 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
1987
1988 /* 802.11ax HE TX/RX MCS NSS Support  */
1989 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1990 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
1991 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
1992 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
1993 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
1994
1995 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1996 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1997         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1998         HIGHEST_MCS_SUPPORTED_MCS8,
1999         HIGHEST_MCS_SUPPORTED_MCS9,
2000         HIGHEST_MCS_SUPPORTED_MCS10,
2001         HIGHEST_MCS_SUPPORTED_MCS11,
2002 };
2003
2004 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2005 static inline u8
2006 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2007 {
2008         u8 count = 4;
2009
2010         if (he_cap->phy_cap_info[0] &
2011             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2012                 count += 4;
2013
2014         if (he_cap->phy_cap_info[0] &
2015             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2016                 count += 4;
2017
2018         return count;
2019 }
2020
2021 /* 802.11ax HE PPE Thresholds */
2022 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2023 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2024 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2025 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2026         (BIT(5) | BIT(6))
2027 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2028 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2029 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2030
2031 /*
2032  * Calculate 802.11ax HE capabilities IE PPE field size
2033  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2034  */
2035 static inline u8
2036 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2037 {
2038         u8 n;
2039
2040         if ((phy_cap_info[6] &
2041              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2042                 return 0;
2043
2044         n = hweight8(ppe_thres_hdr &
2045                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2046         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2047                    IEEE80211_PPE_THRES_NSS_POS));
2048
2049         /*
2050          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2051          * total size.
2052          */
2053         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2054         n = DIV_ROUND_UP(n, 8);
2055
2056         return n;
2057 }
2058
2059 /* HE Operation defines */
2060 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2061 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2062 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2063 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2064 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2065 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2066 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2067 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2068 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2069 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2070 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2071 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2072
2073 /*
2074  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2075  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2076  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2077  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2078  *      validated this.
2079  * @return the actual size of the IE data (not including header), or 0 on error
2080  */
2081 static inline u8
2082 ieee80211_he_oper_size(const u8 *he_oper_ie)
2083 {
2084         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2085         u8 oper_len = sizeof(struct ieee80211_he_operation);
2086         u32 he_oper_params;
2087
2088         /* Make sure the input is not NULL */
2089         if (!he_oper_ie)
2090                 return 0;
2091
2092         /* Calc required length */
2093         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2094         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2095                 oper_len += 3;
2096         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2097                 oper_len++;
2098         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2099                 oper_len += 4;
2100
2101         /* Add the first byte (extension ID) to the total length */
2102         oper_len++;
2103
2104         return oper_len;
2105 }
2106
2107 /* HE Spatial Reuse defines */
2108 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 0x4
2109 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                0x8
2110
2111 /*
2112  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2113  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte
2114  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2115  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2116  *      this
2117  * @return the actual size of the IE data (not including header), or 0 on error
2118  */
2119 static inline u8
2120 ieee80211_he_spr_size(const u8 *he_spr_ie)
2121 {
2122         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2123         u8 spr_len = sizeof(struct ieee80211_he_spr);
2124         u32 he_spr_params;
2125
2126         /* Make sure the input is not NULL */
2127         if (!he_spr_ie)
2128                 return 0;
2129
2130         /* Calc required length */
2131         he_spr_params = le32_to_cpu(he_spr->he_sr_control);
2132         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2133                 spr_len++;
2134         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2135                 spr_len += 18;
2136
2137         /* Add the first byte (extension ID) to the total length */
2138         spr_len++;
2139
2140         return spr_len;
2141 }
2142
2143 /* Authentication algorithms */
2144 #define WLAN_AUTH_OPEN 0
2145 #define WLAN_AUTH_SHARED_KEY 1
2146 #define WLAN_AUTH_FT 2
2147 #define WLAN_AUTH_SAE 3
2148 #define WLAN_AUTH_FILS_SK 4
2149 #define WLAN_AUTH_FILS_SK_PFS 5
2150 #define WLAN_AUTH_FILS_PK 6
2151 #define WLAN_AUTH_LEAP 128
2152
2153 #define WLAN_AUTH_CHALLENGE_LEN 128
2154
2155 #define WLAN_CAPABILITY_ESS             (1<<0)
2156 #define WLAN_CAPABILITY_IBSS            (1<<1)
2157
2158 /*
2159  * A mesh STA sets the ESS and IBSS capability bits to zero.
2160  * however, this holds true for p2p probe responses (in the p2p_find
2161  * phase) as well.
2162  */
2163 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2164         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2165
2166 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2167 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2168 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2169 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2170 #define WLAN_CAPABILITY_PBCC            (1<<6)
2171 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2172
2173 /* 802.11h */
2174 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2175 #define WLAN_CAPABILITY_QOS             (1<<9)
2176 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2177 #define WLAN_CAPABILITY_APSD            (1<<11)
2178 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2179 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2180 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2181 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2182
2183 /* DMG (60gHz) 802.11ad */
2184 /* type - bits 0..1 */
2185 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2186 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2187 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2188 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2189
2190 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2191 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2192 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2193 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2194
2195 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2196 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2197
2198 /* measurement */
2199 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2200 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2201 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2202
2203 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2204 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2205 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2206 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2207 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2208
2209 /* 802.11g ERP information element */
2210 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2211 #define WLAN_ERP_USE_PROTECTION (1<<1)
2212 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2213
2214 /* WLAN_ERP_BARKER_PREAMBLE values */
2215 enum {
2216         WLAN_ERP_PREAMBLE_SHORT = 0,
2217         WLAN_ERP_PREAMBLE_LONG = 1,
2218 };
2219
2220 /* Band ID, 802.11ad #8.4.1.45 */
2221 enum {
2222         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2223         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2224         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2225         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2226         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2227         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2228 };
2229
2230 /* Status codes */
2231 enum ieee80211_statuscode {
2232         WLAN_STATUS_SUCCESS = 0,
2233         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2234         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2235         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2236         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2237         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2238         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2239         WLAN_STATUS_CHALLENGE_FAIL = 15,
2240         WLAN_STATUS_AUTH_TIMEOUT = 16,
2241         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2242         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2243         /* 802.11b */
2244         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2245         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2246         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2247         /* 802.11h */
2248         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2249         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2250         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2251         /* 802.11g */
2252         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2253         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2254         /* 802.11w */
2255         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2256         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2257         /* 802.11i */
2258         WLAN_STATUS_INVALID_IE = 40,
2259         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2260         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2261         WLAN_STATUS_INVALID_AKMP = 43,
2262         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2263         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2264         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2265         /* 802.11e */
2266         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2267         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2268         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2269         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2270         WLAN_STATUS_REQUEST_DECLINED = 37,
2271         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2272         WLAN_STATUS_CHANGE_TSPEC = 39,
2273         WLAN_STATUS_WAIT_TS_DELAY = 47,
2274         WLAN_STATUS_NO_DIRECT_LINK = 48,
2275         WLAN_STATUS_STA_NOT_PRESENT = 49,
2276         WLAN_STATUS_STA_NOT_QSTA = 50,
2277         /* 802.11s */
2278         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2279         WLAN_STATUS_FCG_NOT_SUPP = 78,
2280         WLAN_STATUS_STA_NO_TBTT = 78,
2281         /* 802.11ad */
2282         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2283         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2284         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2285         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2286         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2287         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2288         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2289         WLAN_STATUS_REJECT_DSE_BAND = 96,
2290         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2291         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2292         /* 802.11ai */
2293         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2294         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2295 };
2296
2297
2298 /* Reason codes */
2299 enum ieee80211_reasoncode {
2300         WLAN_REASON_UNSPECIFIED = 1,
2301         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2302         WLAN_REASON_DEAUTH_LEAVING = 3,
2303         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2304         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2305         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2306         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2307         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2308         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2309         /* 802.11h */
2310         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2311         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2312         /* 802.11i */
2313         WLAN_REASON_INVALID_IE = 13,
2314         WLAN_REASON_MIC_FAILURE = 14,
2315         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2316         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2317         WLAN_REASON_IE_DIFFERENT = 17,
2318         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2319         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2320         WLAN_REASON_INVALID_AKMP = 20,
2321         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2322         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2323         WLAN_REASON_IEEE8021X_FAILED = 23,
2324         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2325         /* TDLS (802.11z) */
2326         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2327         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2328         /* 802.11e */
2329         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2330         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2331         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2332         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2333         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2334         WLAN_REASON_QSTA_NOT_USE = 37,
2335         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2336         WLAN_REASON_QSTA_TIMEOUT = 39,
2337         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2338         /* 802.11s */
2339         WLAN_REASON_MESH_PEER_CANCELED = 52,
2340         WLAN_REASON_MESH_MAX_PEERS = 53,
2341         WLAN_REASON_MESH_CONFIG = 54,
2342         WLAN_REASON_MESH_CLOSE = 55,
2343         WLAN_REASON_MESH_MAX_RETRIES = 56,
2344         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2345         WLAN_REASON_MESH_INVALID_GTK = 58,
2346         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2347         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2348         WLAN_REASON_MESH_PATH_ERROR = 61,
2349         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2350         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2351         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2352         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2353         WLAN_REASON_MESH_CHAN = 66,
2354 };
2355
2356
2357 /* Information Element IDs */
2358 enum ieee80211_eid {
2359         WLAN_EID_SSID = 0,
2360         WLAN_EID_SUPP_RATES = 1,
2361         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2362         WLAN_EID_DS_PARAMS = 3,
2363         WLAN_EID_CF_PARAMS = 4,
2364         WLAN_EID_TIM = 5,
2365         WLAN_EID_IBSS_PARAMS = 6,
2366         WLAN_EID_COUNTRY = 7,
2367         /* 8, 9 reserved */
2368         WLAN_EID_REQUEST = 10,
2369         WLAN_EID_QBSS_LOAD = 11,
2370         WLAN_EID_EDCA_PARAM_SET = 12,
2371         WLAN_EID_TSPEC = 13,
2372         WLAN_EID_TCLAS = 14,
2373         WLAN_EID_SCHEDULE = 15,
2374         WLAN_EID_CHALLENGE = 16,
2375         /* 17-31 reserved for challenge text extension */
2376         WLAN_EID_PWR_CONSTRAINT = 32,
2377         WLAN_EID_PWR_CAPABILITY = 33,
2378         WLAN_EID_TPC_REQUEST = 34,
2379         WLAN_EID_TPC_REPORT = 35,
2380         WLAN_EID_SUPPORTED_CHANNELS = 36,
2381         WLAN_EID_CHANNEL_SWITCH = 37,
2382         WLAN_EID_MEASURE_REQUEST = 38,
2383         WLAN_EID_MEASURE_REPORT = 39,
2384         WLAN_EID_QUIET = 40,
2385         WLAN_EID_IBSS_DFS = 41,
2386         WLAN_EID_ERP_INFO = 42,
2387         WLAN_EID_TS_DELAY = 43,
2388         WLAN_EID_TCLAS_PROCESSING = 44,
2389         WLAN_EID_HT_CAPABILITY = 45,
2390         WLAN_EID_QOS_CAPA = 46,
2391         /* 47 reserved for Broadcom */
2392         WLAN_EID_RSN = 48,
2393         WLAN_EID_802_15_COEX = 49,
2394         WLAN_EID_EXT_SUPP_RATES = 50,
2395         WLAN_EID_AP_CHAN_REPORT = 51,
2396         WLAN_EID_NEIGHBOR_REPORT = 52,
2397         WLAN_EID_RCPI = 53,
2398         WLAN_EID_MOBILITY_DOMAIN = 54,
2399         WLAN_EID_FAST_BSS_TRANSITION = 55,
2400         WLAN_EID_TIMEOUT_INTERVAL = 56,
2401         WLAN_EID_RIC_DATA = 57,
2402         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2403         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2404         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2405         WLAN_EID_HT_OPERATION = 61,
2406         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2407         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2408         WLAN_EID_ANTENNA_INFO = 64,
2409         WLAN_EID_RSNI = 65,
2410         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2411         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2412         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2413         WLAN_EID_TIME_ADVERTISEMENT = 69,
2414         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2415         WLAN_EID_MULTIPLE_BSSID = 71,
2416         WLAN_EID_BSS_COEX_2040 = 72,
2417         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2418         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2419         WLAN_EID_RIC_DESCRIPTOR = 75,
2420         WLAN_EID_MMIE = 76,
2421         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2422         WLAN_EID_EVENT_REQUEST = 78,
2423         WLAN_EID_EVENT_REPORT = 79,
2424         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2425         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2426         WLAN_EID_LOCATION_PARAMS = 82,
2427         WLAN_EID_NON_TX_BSSID_CAP =  83,
2428         WLAN_EID_SSID_LIST = 84,
2429         WLAN_EID_MULTI_BSSID_IDX = 85,
2430         WLAN_EID_FMS_DESCRIPTOR = 86,
2431         WLAN_EID_FMS_REQUEST = 87,
2432         WLAN_EID_FMS_RESPONSE = 88,
2433         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2434         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2435         WLAN_EID_TSF_REQUEST = 91,
2436         WLAN_EID_TSF_RESPOSNE = 92,
2437         WLAN_EID_WNM_SLEEP_MODE = 93,
2438         WLAN_EID_TIM_BCAST_REQ = 94,
2439         WLAN_EID_TIM_BCAST_RESP = 95,
2440         WLAN_EID_COLL_IF_REPORT = 96,
2441         WLAN_EID_CHANNEL_USAGE = 97,
2442         WLAN_EID_TIME_ZONE = 98,
2443         WLAN_EID_DMS_REQUEST = 99,
2444         WLAN_EID_DMS_RESPONSE = 100,
2445         WLAN_EID_LINK_ID = 101,
2446         WLAN_EID_WAKEUP_SCHEDUL = 102,
2447         /* 103 reserved */
2448         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2449         WLAN_EID_PTI_CONTROL = 105,
2450         WLAN_EID_PU_BUFFER_STATUS = 106,
2451         WLAN_EID_INTERWORKING = 107,
2452         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2453         WLAN_EID_EXPEDITED_BW_REQ = 109,
2454         WLAN_EID_QOS_MAP_SET = 110,
2455         WLAN_EID_ROAMING_CONSORTIUM = 111,
2456         WLAN_EID_EMERGENCY_ALERT = 112,
2457         WLAN_EID_MESH_CONFIG = 113,
2458         WLAN_EID_MESH_ID = 114,
2459         WLAN_EID_LINK_METRIC_REPORT = 115,
2460         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2461         WLAN_EID_PEER_MGMT = 117,
2462         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2463         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2464         WLAN_EID_BEACON_TIMING = 120,
2465         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2466         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2467         WLAN_EID_MCCAOP_ADVERT = 123,
2468         WLAN_EID_MCCAOP_TEARDOWN = 124,
2469         WLAN_EID_GANN = 125,
2470         WLAN_EID_RANN = 126,
2471         WLAN_EID_EXT_CAPABILITY = 127,
2472         /* 128, 129 reserved for Agere */
2473         WLAN_EID_PREQ = 130,
2474         WLAN_EID_PREP = 131,
2475         WLAN_EID_PERR = 132,
2476         /* 133-136 reserved for Cisco */
2477         WLAN_EID_PXU = 137,
2478         WLAN_EID_PXUC = 138,
2479         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2480         WLAN_EID_MIC = 140,
2481         WLAN_EID_DESTINATION_URI = 141,
2482         WLAN_EID_UAPSD_COEX = 142,
2483         WLAN_EID_WAKEUP_SCHEDULE = 143,
2484         WLAN_EID_EXT_SCHEDULE = 144,
2485         WLAN_EID_STA_AVAILABILITY = 145,
2486         WLAN_EID_DMG_TSPEC = 146,
2487         WLAN_EID_DMG_AT = 147,
2488         WLAN_EID_DMG_CAP = 148,
2489         /* 149 reserved for Cisco */
2490         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2491         WLAN_EID_DMG_OPERATION = 151,
2492         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2493         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2494         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2495         /* 155-156 reserved for Cisco */
2496         WLAN_EID_AWAKE_WINDOW = 157,
2497         WLAN_EID_MULTI_BAND = 158,
2498         WLAN_EID_ADDBA_EXT = 159,
2499         WLAN_EID_NEXT_PCP_LIST = 160,
2500         WLAN_EID_PCP_HANDOVER = 161,
2501         WLAN_EID_DMG_LINK_MARGIN = 162,
2502         WLAN_EID_SWITCHING_STREAM = 163,
2503         WLAN_EID_SESSION_TRANSITION = 164,
2504         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2505         WLAN_EID_CLUSTER_REPORT = 166,
2506         WLAN_EID_RELAY_CAP = 167,
2507         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2508         WLAN_EID_BEAM_LINK_MAINT = 169,
2509         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2510         WLAN_EID_U_PID = 171,
2511         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2512         /* 173 reserved for Symbol */
2513         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2514         WLAN_EID_QUIET_PERIOD_REQ = 175,
2515         /* 176 reserved for Symbol */
2516         WLAN_EID_QUIET_PERIOD_RESP = 177,
2517         /* 178-179 reserved for Symbol */
2518         /* 180 reserved for ISO/IEC 20011 */
2519         WLAN_EID_EPAC_POLICY = 182,
2520         WLAN_EID_CLISTER_TIME_OFF = 183,
2521         WLAN_EID_INTER_AC_PRIO = 184,
2522         WLAN_EID_SCS_DESCRIPTOR = 185,
2523         WLAN_EID_QLOAD_REPORT = 186,
2524         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2525         WLAN_EID_HL_STREAM_ID = 188,
2526         WLAN_EID_GCR_GROUP_ADDR = 189,
2527         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2528         WLAN_EID_VHT_CAPABILITY = 191,
2529         WLAN_EID_VHT_OPERATION = 192,
2530         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2531         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2532         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2533         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2534         WLAN_EID_AID = 197,
2535         WLAN_EID_QUIET_CHANNEL = 198,
2536         WLAN_EID_OPMODE_NOTIF = 199,
2537
2538         WLAN_EID_VENDOR_SPECIFIC = 221,
2539         WLAN_EID_QOS_PARAMETER = 222,
2540         WLAN_EID_CAG_NUMBER = 237,
2541         WLAN_EID_AP_CSN = 239,
2542         WLAN_EID_FILS_INDICATION = 240,
2543         WLAN_EID_DILS = 241,
2544         WLAN_EID_FRAGMENT = 242,
2545         WLAN_EID_EXTENSION = 255
2546 };
2547
2548 /* Element ID Extensions for Element ID 255 */
2549 enum ieee80211_eid_ext {
2550         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2551         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2552         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2553         WLAN_EID_EXT_FILS_SESSION = 4,
2554         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2555         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2556         WLAN_EID_EXT_KEY_DELIVERY = 7,
2557         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2558         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2559         WLAN_EID_EXT_FILS_NONCE = 13,
2560         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2561         WLAN_EID_EXT_HE_CAPABILITY = 35,
2562         WLAN_EID_EXT_HE_OPERATION = 36,
2563         WLAN_EID_EXT_UORA = 37,
2564         WLAN_EID_EXT_HE_MU_EDCA = 38,
2565         WLAN_EID_EXT_HE_SPR = 39,
2566         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2567         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2568         WLAN_EID_EXT_NON_INHERITANCE = 56,
2569 };
2570
2571 /* Action category code */
2572 enum ieee80211_category {
2573         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2574         WLAN_CATEGORY_QOS = 1,
2575         WLAN_CATEGORY_DLS = 2,
2576         WLAN_CATEGORY_BACK = 3,
2577         WLAN_CATEGORY_PUBLIC = 4,
2578         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2579         WLAN_CATEGORY_HT = 7,
2580         WLAN_CATEGORY_SA_QUERY = 8,
2581         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2582         WLAN_CATEGORY_WNM = 10,
2583         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2584         WLAN_CATEGORY_TDLS = 12,
2585         WLAN_CATEGORY_MESH_ACTION = 13,
2586         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2587         WLAN_CATEGORY_SELF_PROTECTED = 15,
2588         WLAN_CATEGORY_DMG = 16,
2589         WLAN_CATEGORY_WMM = 17,
2590         WLAN_CATEGORY_FST = 18,
2591         WLAN_CATEGORY_UNPROT_DMG = 20,
2592         WLAN_CATEGORY_VHT = 21,
2593         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2594         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2595 };
2596
2597 /* SPECTRUM_MGMT action code */
2598 enum ieee80211_spectrum_mgmt_actioncode {
2599         WLAN_ACTION_SPCT_MSR_REQ = 0,
2600         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2601         WLAN_ACTION_SPCT_TPC_REQ = 2,
2602         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2603         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2604 };
2605
2606 /* HT action codes */
2607 enum ieee80211_ht_actioncode {
2608         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2609         WLAN_HT_ACTION_SMPS = 1,
2610         WLAN_HT_ACTION_PSMP = 2,
2611         WLAN_HT_ACTION_PCO_PHASE = 3,
2612         WLAN_HT_ACTION_CSI = 4,
2613         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2614         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2615         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2616 };
2617
2618 /* VHT action codes */
2619 enum ieee80211_vht_actioncode {
2620         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2621         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2622         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2623 };
2624
2625 /* Self Protected Action codes */
2626 enum ieee80211_self_protected_actioncode {
2627         WLAN_SP_RESERVED = 0,
2628         WLAN_SP_MESH_PEERING_OPEN = 1,
2629         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2630         WLAN_SP_MESH_PEERING_CLOSE = 3,
2631         WLAN_SP_MGK_INFORM = 4,
2632         WLAN_SP_MGK_ACK = 5,
2633 };
2634
2635 /* Mesh action codes */
2636 enum ieee80211_mesh_actioncode {
2637         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2638         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2639         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2640         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2641         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2642         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2643         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2644         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2645         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2646         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2647         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2648 };
2649
2650 /* Security key length */
2651 enum ieee80211_key_len {
2652         WLAN_KEY_LEN_WEP40 = 5,
2653         WLAN_KEY_LEN_WEP104 = 13,
2654         WLAN_KEY_LEN_CCMP = 16,
2655         WLAN_KEY_LEN_CCMP_256 = 32,
2656         WLAN_KEY_LEN_TKIP = 32,
2657         WLAN_KEY_LEN_AES_CMAC = 16,
2658         WLAN_KEY_LEN_SMS4 = 32,
2659         WLAN_KEY_LEN_GCMP = 16,
2660         WLAN_KEY_LEN_GCMP_256 = 32,
2661         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2662         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2663         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2664 };
2665
2666 #define IEEE80211_WEP_IV_LEN            4
2667 #define IEEE80211_WEP_ICV_LEN           4
2668 #define IEEE80211_CCMP_HDR_LEN          8
2669 #define IEEE80211_CCMP_MIC_LEN          8
2670 #define IEEE80211_CCMP_PN_LEN           6
2671 #define IEEE80211_CCMP_256_HDR_LEN      8
2672 #define IEEE80211_CCMP_256_MIC_LEN      16
2673 #define IEEE80211_CCMP_256_PN_LEN       6
2674 #define IEEE80211_TKIP_IV_LEN           8
2675 #define IEEE80211_TKIP_ICV_LEN          4
2676 #define IEEE80211_CMAC_PN_LEN           6
2677 #define IEEE80211_GMAC_PN_LEN           6
2678 #define IEEE80211_GCMP_HDR_LEN          8
2679 #define IEEE80211_GCMP_MIC_LEN          16
2680 #define IEEE80211_GCMP_PN_LEN           6
2681
2682 #define FILS_NONCE_LEN                  16
2683 #define FILS_MAX_KEK_LEN                64
2684
2685 #define FILS_ERP_MAX_USERNAME_LEN       16
2686 #define FILS_ERP_MAX_REALM_LEN          253
2687 #define FILS_ERP_MAX_RRK_LEN            64
2688
2689 #define PMK_MAX_LEN                     64
2690 #define SAE_PASSWORD_MAX_LEN            128
2691
2692 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2693 enum ieee80211_pub_actioncode {
2694         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2695         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2696         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2697         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2698         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2699         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2700         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2701         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2702         WLAN_PUB_ACTION_DSE_PC = 8,
2703         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2704         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2705         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2706         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2707         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2708         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2709         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2710         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2711         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2712         WLAN_PUB_ACTION_QMF_POLICY = 18,
2713         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2714         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2715         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2716         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2717         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2718         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2719         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2720         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2721         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2722         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2723         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2724         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2725         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2726         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2727         WLAN_PUB_ACTION_FTM = 33,
2728         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2729 };
2730
2731 /* TDLS action codes */
2732 enum ieee80211_tdls_actioncode {
2733         WLAN_TDLS_SETUP_REQUEST = 0,
2734         WLAN_TDLS_SETUP_RESPONSE = 1,
2735         WLAN_TDLS_SETUP_CONFIRM = 2,
2736         WLAN_TDLS_TEARDOWN = 3,
2737         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2738         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2739         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2740         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2741         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2742         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2743         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2744 };
2745
2746 /* Extended Channel Switching capability to be set in the 1st byte of
2747  * the @WLAN_EID_EXT_CAPABILITY information element
2748  */
2749 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2750
2751 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2752  * @WLAN_EID_EXT_CAPABILITY information element
2753  */
2754 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2755
2756 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2757 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2758 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2759 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2760
2761 /* Interworking capabilities are set in 7th bit of 4th byte of the
2762  * @WLAN_EID_EXT_CAPABILITY information element
2763  */
2764 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2765
2766 /*
2767  * TDLS capabililites to be enabled in the 5th byte of the
2768  * @WLAN_EID_EXT_CAPABILITY information element
2769  */
2770 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2771 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2772 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2773
2774 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2775 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2776
2777 /* Defines the maximal number of MSDUs in an A-MSDU. */
2778 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2779 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2780
2781 /*
2782  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2783  * information element
2784  */
2785 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2786
2787 /* Defines support for TWT Requester and TWT Responder */
2788 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2789 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2790
2791 /*
2792  * When set, indicates that the AP is able to tolerate 26-tone RU UL
2793  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2794  * 26-tone RU UL OFDMA transmissions as radar pulses).
2795  */
2796 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2797
2798 /* Defines support for enhanced multi-bssid advertisement*/
2799 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2800
2801 /* TDLS specific payload type in the LLC/SNAP header */
2802 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2803
2804 /* BSS Coex IE information field bits */
2805 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2806
2807 /**
2808  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2809  *
2810  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2811  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2812  *      that will be specified in a vendor specific information element
2813  */
2814 enum ieee80211_mesh_sync_method {
2815         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2816         IEEE80211_SYNC_METHOD_VENDOR = 255,
2817 };
2818
2819 /**
2820  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2821  *
2822  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2823  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2824  *      be specified in a vendor specific information element
2825  */
2826 enum ieee80211_mesh_path_protocol {
2827         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2828         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2829 };
2830
2831 /**
2832  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2833  *
2834  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2835  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2836  *      specified in a vendor specific information element
2837  */
2838 enum ieee80211_mesh_path_metric {
2839         IEEE80211_PATH_METRIC_AIRTIME = 1,
2840         IEEE80211_PATH_METRIC_VENDOR = 255,
2841 };
2842
2843 /**
2844  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2845  *
2846  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2847  *
2848  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2849  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2850  *      this value
2851  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2852  *      the proactive PREQ with proactive PREP subfield set to 0
2853  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2854  *      supports the proactive PREQ with proactive PREP subfield set to 1
2855  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2856  *      the proactive RANN
2857  */
2858 enum ieee80211_root_mode_identifier {
2859         IEEE80211_ROOTMODE_NO_ROOT = 0,
2860         IEEE80211_ROOTMODE_ROOT = 1,
2861         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2862         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2863         IEEE80211_PROACTIVE_RANN = 4,
2864 };
2865
2866 /*
2867  * IEEE 802.11-2007 7.3.2.9 Country information element
2868  *
2869  * Minimum length is 8 octets, ie len must be evenly
2870  * divisible by 2
2871  */
2872
2873 /* Although the spec says 8 I'm seeing 6 in practice */
2874 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2875
2876 /* The Country String field of the element shall be 3 octets in length */
2877 #define IEEE80211_COUNTRY_STRING_LEN    3
2878
2879 /*
2880  * For regulatory extension stuff see IEEE 802.11-2007
2881  * Annex I (page 1141) and Annex J (page 1147). Also
2882  * review 7.3.2.9.
2883  *
2884  * When dot11RegulatoryClassesRequired is true and the
2885  * first_channel/reg_extension_id is >= 201 then the IE
2886  * compromises of the 'ext' struct represented below:
2887  *
2888  *  - Regulatory extension ID - when generating IE this just needs
2889  *    to be monotonically increasing for each triplet passed in
2890  *    the IE
2891  *  - Regulatory class - index into set of rules
2892  *  - Coverage class - index into air propagation time (Table 7-27),
2893  *    in microseconds, you can compute the air propagation time from
2894  *    the index by multiplying by 3, so index 10 yields a propagation
2895  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2896  *    yet. A value of 0 inicates air propagation of <= 1 us.
2897  *
2898  *  See also Table I.2 for Emission limit sets and table
2899  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2900  *  a reg_class to an emission limit set and behavior limit set.
2901  */
2902 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2903
2904 /*
2905  *  Channels numbers in the IE must be monotonically increasing
2906  *  if dot11RegulatoryClassesRequired is not true.
2907  *
2908  *  If dot11RegulatoryClassesRequired is true consecutive
2909  *  subband triplets following a regulatory triplet shall
2910  *  have monotonically increasing first_channel number fields.
2911  *
2912  *  Channel numbers shall not overlap.
2913  *
2914  *  Note that max_power is signed.
2915  */
2916 struct ieee80211_country_ie_triplet {
2917         union {
2918                 struct {
2919                         u8 first_channel;
2920                         u8 num_channels;
2921                         s8 max_power;
2922                 } __packed chans;
2923                 struct {
2924                         u8 reg_extension_id;
2925                         u8 reg_class;
2926                         u8 coverage_class;
2927                 } __packed ext;
2928         };
2929 } __packed;
2930
2931 enum ieee80211_timeout_interval_type {
2932         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2933         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2934         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2935 };
2936
2937 /**
2938  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2939  * @type: type, see &enum ieee80211_timeout_interval_type
2940  * @value: timeout interval value
2941  */
2942 struct ieee80211_timeout_interval_ie {
2943         u8 type;
2944         __le32 value;
2945 } __packed;
2946
2947 /**
2948  * enum ieee80211_idle_options - BSS idle options
2949  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2950  *      protected frame to the AP to reset the idle timer at the AP for
2951  *      the station.
2952  */
2953 enum ieee80211_idle_options {
2954         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2955 };
2956
2957 /**
2958  * struct ieee80211_bss_max_idle_period_ie
2959  *
2960  * This structure refers to "BSS Max idle period element"
2961  *
2962  * @max_idle_period: indicates the time period during which a station can
2963  *      refrain from transmitting frames to its associated AP without being
2964  *      disassociated. In units of 1000 TUs.
2965  * @idle_options: indicates the options associated with the BSS idle capability
2966  *      as specified in &enum ieee80211_idle_options.
2967  */
2968 struct ieee80211_bss_max_idle_period_ie {
2969         __le16 max_idle_period;
2970         u8 idle_options;
2971 } __packed;
2972
2973 /* BACK action code */
2974 enum ieee80211_back_actioncode {
2975         WLAN_ACTION_ADDBA_REQ = 0,
2976         WLAN_ACTION_ADDBA_RESP = 1,
2977         WLAN_ACTION_DELBA = 2,
2978 };
2979
2980 /* BACK (block-ack) parties */
2981 enum ieee80211_back_parties {
2982         WLAN_BACK_RECIPIENT = 0,
2983         WLAN_BACK_INITIATOR = 1,
2984 };
2985
2986 /* SA Query action */
2987 enum ieee80211_sa_query_action {
2988         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2989         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2990 };
2991
2992 /**
2993  * struct ieee80211_bssid_index
2994  *
2995  * This structure refers to "Multiple BSSID-index element"
2996  *
2997  * @bssid_index: BSSID index
2998  * @dtim_period: optional, overrides transmitted BSS dtim period
2999  * @dtim_count: optional, overrides transmitted BSS dtim count
3000  */
3001 struct ieee80211_bssid_index {
3002         u8 bssid_index;
3003         u8 dtim_period;
3004         u8 dtim_count;
3005 };
3006
3007 /**
3008  * struct ieee80211_multiple_bssid_configuration
3009  *
3010  * This structure refers to "Multiple BSSID Configuration element"
3011  *
3012  * @bssid_count: total number of active BSSIDs in the set
3013  * @profile_periodicity: the least number of beacon frames need to be received
3014  *      in order to discover all the nontransmitted BSSIDs in the set.
3015  */
3016 struct ieee80211_multiple_bssid_configuration {
3017         u8 bssid_count;
3018         u8 profile_periodicity;
3019 };
3020
3021 #define SUITE(oui, id) (((oui) << 8) | (id))
3022
3023 /* cipher suite selectors */
3024 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3025 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3026 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3027 /* reserved:                            SUITE(0x000FAC, 3) */
3028 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3029 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3030 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3031 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3032 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3033 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3034 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3035 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3036 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3037
3038 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3039
3040 /* AKM suite selectors */
3041 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3042 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3043 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3044 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3045 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3046 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3047 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3048 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3049 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3050 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3051 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3052 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3053 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3054 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3055 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3056
3057 #define WLAN_MAX_KEY_LEN                32
3058
3059 #define WLAN_PMK_NAME_LEN               16
3060 #define WLAN_PMKID_LEN                  16
3061 #define WLAN_PMK_LEN_EAP_LEAP           16
3062 #define WLAN_PMK_LEN                    32
3063 #define WLAN_PMK_LEN_SUITE_B_192        48
3064
3065 #define WLAN_OUI_WFA                    0x506f9a
3066 #define WLAN_OUI_TYPE_WFA_P2P           9
3067 #define WLAN_OUI_MICROSOFT              0x0050f2
3068 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3069 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3070 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3071 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3072
3073 /*
3074  * WMM/802.11e Tspec Element
3075  */
3076 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3077 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3078
3079 enum ieee80211_tspec_status_code {
3080         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3081         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3082 };
3083
3084 struct ieee80211_tspec_ie {
3085         u8 element_id;
3086         u8 len;
3087         u8 oui[3];
3088         u8 oui_type;
3089         u8 oui_subtype;
3090         u8 version;
3091         __le16 tsinfo;
3092         u8 tsinfo_resvd;
3093         __le16 nominal_msdu;
3094         __le16 max_msdu;
3095         __le32 min_service_int;
3096         __le32 max_service_int;
3097         __le32 inactivity_int;
3098         __le32 suspension_int;
3099         __le32 service_start_time;
3100         __le32 min_data_rate;
3101         __le32 mean_data_rate;
3102         __le32 peak_data_rate;
3103         __le32 max_burst_size;
3104         __le32 delay_bound;
3105         __le32 min_phy_rate;
3106         __le16 sba;
3107         __le16 medium_time;
3108 } __packed;
3109
3110 /**
3111  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3112  * @hdr: the frame
3113  *
3114  * The qos ctrl bytes come after the frame_control, duration, seq_num
3115  * and 3 or 4 addresses of length ETH_ALEN.
3116  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3117  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3118  */
3119 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3120 {
3121         if (ieee80211_has_a4(hdr->frame_control))
3122                 return (u8 *)hdr + 30;
3123         else
3124                 return (u8 *)hdr + 24;
3125 }
3126
3127 /**
3128  * ieee80211_get_tid - get qos TID
3129  * @hdr: the frame
3130  */
3131 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3132 {
3133         u8 *qc = ieee80211_get_qos_ctl(hdr);
3134
3135         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3136 }
3137
3138 /**
3139  * ieee80211_get_SA - get pointer to SA
3140  * @hdr: the frame
3141  *
3142  * Given an 802.11 frame, this function returns the offset
3143  * to the source address (SA). It does not verify that the
3144  * header is long enough to contain the address, and the
3145  * header must be long enough to contain the frame control
3146  * field.
3147  */
3148 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3149 {
3150         if (ieee80211_has_a4(hdr->frame_control))
3151                 return hdr->addr4;
3152         if (ieee80211_has_fromds(hdr->frame_control))
3153                 return hdr->addr3;
3154         return hdr->addr2;
3155 }
3156
3157 /**
3158  * ieee80211_get_DA - get pointer to DA
3159  * @hdr: the frame
3160  *
3161  * Given an 802.11 frame, this function returns the offset
3162  * to the destination address (DA). It does not verify that
3163  * the header is long enough to contain the address, and the
3164  * header must be long enough to contain the frame control
3165  * field.
3166  */
3167 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3168 {
3169         if (ieee80211_has_tods(hdr->frame_control))
3170                 return hdr->addr3;
3171         else
3172                 return hdr->addr1;
3173 }
3174
3175 /**
3176  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3177  * @hdr: the frame (buffer must include at least the first octet of payload)
3178  */
3179 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3180 {
3181         if (ieee80211_is_disassoc(hdr->frame_control) ||
3182             ieee80211_is_deauth(hdr->frame_control))
3183                 return true;
3184
3185         if (ieee80211_is_action(hdr->frame_control)) {
3186                 u8 *category;
3187
3188                 /*
3189                  * Action frames, excluding Public Action frames, are Robust
3190                  * Management Frames. However, if we are looking at a Protected
3191                  * frame, skip the check since the data may be encrypted and
3192                  * the frame has already been found to be a Robust Management
3193                  * Frame (by the other end).
3194                  */
3195                 if (ieee80211_has_protected(hdr->frame_control))
3196                         return true;
3197                 category = ((u8 *) hdr) + 24;
3198                 return *category != WLAN_CATEGORY_PUBLIC &&
3199                         *category != WLAN_CATEGORY_HT &&
3200                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3201                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3202                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3203                         *category != WLAN_CATEGORY_VHT &&
3204                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3205         }
3206
3207         return false;
3208 }
3209
3210 /**
3211  * ieee80211_is_public_action - check if frame is a public action frame
3212  * @hdr: the frame
3213  * @len: length of the frame
3214  */
3215 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3216                                               size_t len)
3217 {
3218         struct ieee80211_mgmt *mgmt = (void *)hdr;
3219
3220         if (len < IEEE80211_MIN_ACTION_SIZE)
3221                 return false;
3222         if (!ieee80211_is_action(hdr->frame_control))
3223                 return false;
3224         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3225 }
3226
3227 static inline bool is_multicast_ether_addr(const u8 *a)
3228 {
3229         return 0x01 & a[0];
3230 }
3231
3232 /**
3233  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3234  * privacy action frame
3235  * @hdr: the frame
3236  */
3237 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3238 {
3239         struct ieee80211_mgmt *mgmt = (void *)hdr;
3240
3241         if (!ieee80211_is_action(hdr->frame_control) ||
3242             !is_multicast_ether_addr(hdr->addr1))
3243                 return false;
3244
3245         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3246                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3247 }
3248
3249 /**
3250  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3251  * @tu: the TUs
3252  */
3253 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3254 {
3255         return 1024 * tu;
3256 }
3257
3258 /**
3259  * ieee80211_check_tim - check if AID bit is set in TIM
3260  * @tim: the TIM IE
3261  * @tim_len: length of the TIM IE
3262  * @aid: the AID to look for
3263  */
3264 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3265                                        u8 tim_len, u16 aid)
3266 {
3267         u8 mask;
3268         u8 indexn0, indexn1, indexn2;
3269
3270         if (unlikely(!tim || tim_len < sizeof(*tim)))
3271                 return false;
3272
3273         aid &= 0x3fff;
3274         indexn0 = aid / 8;
3275         mask  = 1 << (aid & 7);
3276
3277         indexn1 = tim->bitmap_ctrl & 0xfe;
3278         indexn2 = tim_len + indexn1 - 4;
3279
3280         if (indexn0 < indexn1 || indexn0 > indexn2)
3281                 return false;
3282
3283         indexn0 -= indexn1;
3284
3285         return !!(tim->virtual_map[indexn0] & mask);
3286 }
3287
3288 /* convert time units */
3289 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3290 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3291
3292 struct element {
3293         u8 id;
3294         u8 datalen;
3295         u8 data[];
3296 } __packed;
3297
3298 /* element iteration helpers */
3299 #define for_each_element(_elem, _data, _datalen)                        \
3300         for (_elem = (const struct element *)(_data);                   \
3301              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3302                 (int)sizeof(*_elem) &&                                  \
3303              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3304                 (int)sizeof(*_elem) + _elem->datalen;                   \
3305              _elem = (const struct element *)(_elem->data + _elem->datalen))
3306
3307 #define for_each_element_id(element, _id, data, datalen)                \
3308         for_each_element(element, data, datalen)                        \
3309                 if (element->id == (_id))
3310
3311 #define for_each_element_extid(element, extid, _data, _datalen)         \
3312         for_each_element(element, _data, _datalen)                      \
3313                 if (element->id == WLAN_EID_EXTENSION &&                \
3314                     element->datalen > 0 &&                             \
3315                     element->data[0] == (extid))
3316
3317 #define for_each_subelement(sub, element)                               \
3318         for_each_element(sub, (element)->data, (element)->datalen)
3319
3320 #define for_each_subelement_id(sub, id, element)                        \
3321         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3322
3323 #define for_each_subelement_extid(sub, extid, element)                  \
3324         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3325
3326 /**
3327  * for_each_element_completed - determine if element parsing consumed all data
3328  * @element: element pointer after for_each_element() or friends
3329  * @data: same data pointer as passed to for_each_element() or friends
3330  * @datalen: same data length as passed to for_each_element() or friends
3331  *
3332  * This function returns %true if all the data was parsed or considered
3333  * while walking the elements. Only use this if your for_each_element()
3334  * loop cannot be broken out of, otherwise it always returns %false.
3335  *
3336  * If some data was malformed, this returns %false since the last parsed
3337  * element will not fill the whole remaining data.
3338  */
3339 static inline bool for_each_element_completed(const struct element *element,
3340                                               const void *data, size_t datalen)
3341 {
3342         return (const u8 *)element == (const u8 *)data + datalen;
3343 }
3344
3345 #endif /* __LINUX_IEEE80211_H */