include/linux/ieee80211.h

   1 /*
   2  * IEEE 802.11 defines
   3  *
   4  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   5  * <jkmaline@cc.hut.fi>
   6  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2005, Devicescape Software, Inc.
   8  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   9  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  10  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  11  * Copyright (c) 2018 - 2019 Intel Corporation
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17
  18 #ifndef __LINUX_IEEE80211_H
  19 #define __LINUX_IEEE80211_H
  20
  21 /*
  22  * DS bit usage
  23  *
  24  * TA = transmitter address
  25  * RA = receiver address
  26  * DA = destination address
  27  * SA = source address
  28  *
  29  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  30  * -----------------------------------------------------------------
  31  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  32  *  0       1       DA      BSSID   SA      -       AP -> STA
  33  *  1       0       BSSID   SA      DA      -       AP <- STA
  34  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  35  */
  36
  37 #define FCS_LEN 4
  38
  39 #define IEEE80211_FCTL_VERS             0x0003
  40 #define IEEE80211_FCTL_FTYPE            0x000c
  41 #define IEEE80211_FCTL_STYPE            0x00f0
  42 #define IEEE80211_FCTL_TODS             0x0100
  43 #define IEEE80211_FCTL_FROMDS           0x0200
  44 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  45 #define IEEE80211_FCTL_RETRY            0x0800
  46 #define IEEE80211_FCTL_PM               0x1000
  47 #define IEEE80211_FCTL_MOREDATA         0x2000
  48 #define IEEE80211_FCTL_PROTECTED        0x4000
  49 #define IEEE80211_FCTL_ORDER            0x8000
  50 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  51
  52 #define IEEE80211_SCTL_FRAG             0x000F
  53 #define IEEE80211_SCTL_SEQ              0xFFF0
  54
  55 #define IEEE80211_FTYPE_MGMT            0x0000
  56 #define IEEE80211_FTYPE_CTL             0x0004
  57 #define IEEE80211_FTYPE_DATA            0x0008
  58 #define IEEE80211_FTYPE_EXT             0x000c
  59
  60 /* management */
  61 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  62 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  63 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  64 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  65 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  66 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  67 #define IEEE80211_STYPE_BEACON          0x0080
  68 #define IEEE80211_STYPE_ATIM            0x0090
  69 #define IEEE80211_STYPE_DISASSOC        0x00A0
  70 #define IEEE80211_STYPE_AUTH            0x00B0
  71 #define IEEE80211_STYPE_DEAUTH          0x00C0
  72 #define IEEE80211_STYPE_ACTION          0x00D0
  73
  74 /* control */
  75 #define IEEE80211_STYPE_CTL_EXT         0x0060
  76 #define IEEE80211_STYPE_BACK_REQ        0x0080
  77 #define IEEE80211_STYPE_BACK            0x0090
  78 #define IEEE80211_STYPE_PSPOLL          0x00A0
  79 #define IEEE80211_STYPE_RTS             0x00B0
  80 #define IEEE80211_STYPE_CTS             0x00C0
  81 #define IEEE80211_STYPE_ACK             0x00D0
  82 #define IEEE80211_STYPE_CFEND           0x00E0
  83 #define IEEE80211_STYPE_CFENDACK        0x00F0
  84
  85 /* data */
  86 #define IEEE80211_STYPE_DATA                    0x0000
  87 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  88 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  89 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  90 #define IEEE80211_STYPE_NULLFUNC                0x0040
  91 #define IEEE80211_STYPE_CFACK                   0x0050
  92 #define IEEE80211_STYPE_CFPOLL                  0x0060
  93 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  94 #define IEEE80211_STYPE_QOS_DATA                0x0080
  95 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  96 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  97 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  98 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  99 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 100 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 101 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 102
 103 /* extension, added by 802.11ad */
 104 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 105
 106 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 107 #define IEEE80211_CTL_EXT_POLL          0x2000
 108 #define IEEE80211_CTL_EXT_SPR           0x3000
 109 #define IEEE80211_CTL_EXT_GRANT 0x4000
 110 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 111 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 112 #define IEEE80211_CTL_EXT_SSW           0x8000
 113 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 114 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 115
 116
 117 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 118 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 119 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 120
 121 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 122 {
 123         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 124 }
 125
 126 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 127 {
 128         return (sn1 + sn2) & IEEE80211_SN_MASK;
 129 }
 130
 131 static inline u16 ieee80211_sn_inc(u16 sn)
 132 {
 133         return ieee80211_sn_add(sn, 1);
 134 }
 135
 136 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 137 {
 138         return (sn1 - sn2) & IEEE80211_SN_MASK;
 139 }
 140
 141 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 142 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 143
 144 /* miscellaneous IEEE 802.11 constants */
 145 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 146 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 147 #define IEEE80211_MAX_AID               2007
 148 #define IEEE80211_MAX_TIM_LEN           251
 149 #define IEEE80211_MAX_MESH_PEERINGS     63
 150 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 151    6.2.1.1.2.
 152
 153    802.11e clarifies the figure in section 7.1.2. The frame body is
 154    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 155 #define IEEE80211_MAX_DATA_LEN          2304
 156 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 157  * to 7920 bytes, see 8.2.3 General frame format
 158  */
 159 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 160 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 161 #define IEEE80211_MAX_FRAME_LEN         2352
 162
 163 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 164 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 165
 166 /* Maximal size of an A-MSDU */
 167 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 168 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 169
 170 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 171 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 172 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 173
 174 #define IEEE80211_MAX_SSID_LEN          32
 175
 176 #define IEEE80211_MAX_MESH_ID_LEN       32
 177
 178 #define IEEE80211_FIRST_TSPEC_TSID      8
 179 #define IEEE80211_NUM_TIDS              16
 180
 181 /* number of user priorities 802.11 uses */
 182 #define IEEE80211_NUM_UPS               8
 183 /* number of ACs */
 184 #define IEEE80211_NUM_ACS               4
 185
 186 #define IEEE80211_QOS_CTL_LEN           2
 187 /* 1d tag mask */
 188 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 189 /* TID mask */
 190 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 191 /* EOSP */
 192 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 193 /* ACK policy */
 194 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 195 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 196 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 197 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 198 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 199 /* A-MSDU 802.11n */
 200 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 201 /* Mesh Control 802.11s */
 202 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 203
 204 /* U-APSD queue for WMM IEs sent by AP */
 205 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 206 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 207
 208 /* U-APSD queues for WMM IEs sent by STA */
 209 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 210 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 211 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 212 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 213 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 214
 215 /* U-APSD max SP length for WMM IEs sent by STA */
 216 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 219 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 222
 223 #define IEEE80211_HT_CTL_LEN            4
 224
 225 struct ieee80211_hdr {
 226         __le16 frame_control;
 227         __le16 duration_id;
 228         u8 addr1[6];
 229         u8 addr2[6];
 230         u8 addr3[6];
 231         __le16 seq_ctrl;
 232         u8 addr4[6];
 233 } __packed __aligned(2);
 234
 235 struct ieee80211_hdr_3addr {
 236         __le16 frame_control;
 237         __le16 duration_id;
 238         u8 addr1[6];
 239         u8 addr2[6];
 240         u8 addr3[6];
 241         __le16 seq_ctrl;
 242 } __packed __aligned(2);
 243
 244 struct ieee80211_qos_hdr {
 245         __le16 frame_control;
 246         __le16 duration_id;
 247         u8 addr1[6];
 248         u8 addr2[6];
 249         u8 addr3[6];
 250         __le16 seq_ctrl;
 251         __le16 qos_ctrl;
 252 } __packed __aligned(2);
 253
 254 /**
 255  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 256  * @fc: frame control bytes in little-endian byteorder
 257  */
 258 static inline bool ieee80211_has_tods(__le16 fc)
 259 {
 260         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 261 }
 262
 263 /**
 264  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 265  * @fc: frame control bytes in little-endian byteorder
 266  */
 267 static inline bool ieee80211_has_fromds(__le16 fc)
 268 {
 269         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 270 }
 271
 272 /**
 273  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 274  * @fc: frame control bytes in little-endian byteorder
 275  */
 276 static inline bool ieee80211_has_a4(__le16 fc)
 277 {
 278         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 279         return (fc & tmp) == tmp;
 280 }
 281
 282 /**
 283  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 284  * @fc: frame control bytes in little-endian byteorder
 285  */
 286 static inline bool ieee80211_has_morefrags(__le16 fc)
 287 {
 288         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 289 }
 290
 291 /**
 292  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 293  * @fc: frame control bytes in little-endian byteorder
 294  */
 295 static inline bool ieee80211_has_retry(__le16 fc)
 296 {
 297         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 298 }
 299
 300 /**
 301  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 302  * @fc: frame control bytes in little-endian byteorder
 303  */
 304 static inline bool ieee80211_has_pm(__le16 fc)
 305 {
 306         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 307 }
 308
 309 /**
 310  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 311  * @fc: frame control bytes in little-endian byteorder
 312  */
 313 static inline bool ieee80211_has_moredata(__le16 fc)
 314 {
 315         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 316 }
 317
 318 /**
 319  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 320  * @fc: frame control bytes in little-endian byteorder
 321  */
 322 static inline bool ieee80211_has_protected(__le16 fc)
 323 {
 324         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 325 }
 326
 327 /**
 328  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 329  * @fc: frame control bytes in little-endian byteorder
 330  */
 331 static inline bool ieee80211_has_order(__le16 fc)
 332 {
 333         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 334 }
 335
 336 /**
 337  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 338  * @fc: frame control bytes in little-endian byteorder
 339  */
 340 static inline bool ieee80211_is_mgmt(__le16 fc)
 341 {
 342         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 343                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 344 }
 345
 346 /**
 347  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 348  * @fc: frame control bytes in little-endian byteorder
 349  */
 350 static inline bool ieee80211_is_ctl(__le16 fc)
 351 {
 352         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 353                cpu_to_le16(IEEE80211_FTYPE_CTL);
 354 }
 355
 356 /**
 357  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 358  * @fc: frame control bytes in little-endian byteorder
 359  */
 360 static inline bool ieee80211_is_data(__le16 fc)
 361 {
 362         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 363                cpu_to_le16(IEEE80211_FTYPE_DATA);
 364 }
 365
 366 /**
 367  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 368  * @fc: frame control bytes in little-endian byteorder
 369  */
 370 static inline bool ieee80211_is_data_qos(__le16 fc)
 371 {
 372         /*
 373          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 374          * to check the one bit
 375          */
 376         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 377                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 378 }
 379
 380 /**
 381  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 382  * @fc: frame control bytes in little-endian byteorder
 383  */
 384 static inline bool ieee80211_is_data_present(__le16 fc)
 385 {
 386         /*
 387          * mask with 0x40 and test that that bit is clear to only return true
 388          * for the data-containing substypes.
 389          */
 390         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 391                cpu_to_le16(IEEE80211_FTYPE_DATA);
 392 }
 393
 394 /**
 395  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 396  * @fc: frame control bytes in little-endian byteorder
 397  */
 398 static inline bool ieee80211_is_assoc_req(__le16 fc)
 399 {
 400         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 401                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 402 }
 403
 404 /**
 405  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 406  * @fc: frame control bytes in little-endian byteorder
 407  */
 408 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 409 {
 410         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 411                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 412 }
 413
 414 /**
 415  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 416  * @fc: frame control bytes in little-endian byteorder
 417  */
 418 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 419 {
 420         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 421                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 422 }
 423
 424 /**
 425  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 426  * @fc: frame control bytes in little-endian byteorder
 427  */
 428 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 429 {
 430         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 431                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 432 }
 433
 434 /**
 435  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 436  * @fc: frame control bytes in little-endian byteorder
 437  */
 438 static inline bool ieee80211_is_probe_req(__le16 fc)
 439 {
 440         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 441                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 442 }
 443
 444 /**
 445  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 446  * @fc: frame control bytes in little-endian byteorder
 447  */
 448 static inline bool ieee80211_is_probe_resp(__le16 fc)
 449 {
 450         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 451                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 452 }
 453
 454 /**
 455  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 456  * @fc: frame control bytes in little-endian byteorder
 457  */
 458 static inline bool ieee80211_is_beacon(__le16 fc)
 459 {
 460         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 461                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 462 }
 463
 464 /**
 465  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 466  * @fc: frame control bytes in little-endian byteorder
 467  */
 468 static inline bool ieee80211_is_atim(__le16 fc)
 469 {
 470         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 471                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 472 }
 473
 474 /**
 475  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 476  * @fc: frame control bytes in little-endian byteorder
 477  */
 478 static inline bool ieee80211_is_disassoc(__le16 fc)
 479 {
 480         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 481                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 482 }
 483
 484 /**
 485  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 486  * @fc: frame control bytes in little-endian byteorder
 487  */
 488 static inline bool ieee80211_is_auth(__le16 fc)
 489 {
 490         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 491                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 492 }
 493
 494 /**
 495  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 496  * @fc: frame control bytes in little-endian byteorder
 497  */
 498 static inline bool ieee80211_is_deauth(__le16 fc)
 499 {
 500         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 501                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 502 }
 503
 504 /**
 505  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 506  * @fc: frame control bytes in little-endian byteorder
 507  */
 508 static inline bool ieee80211_is_action(__le16 fc)
 509 {
 510         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 511                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 512 }
 513
 514 /**
 515  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 516  * @fc: frame control bytes in little-endian byteorder
 517  */
 518 static inline bool ieee80211_is_back_req(__le16 fc)
 519 {
 520         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 521                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 522 }
 523
 524 /**
 525  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 526  * @fc: frame control bytes in little-endian byteorder
 527  */
 528 static inline bool ieee80211_is_back(__le16 fc)
 529 {
 530         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 531                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 532 }
 533
 534 /**
 535  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 536  * @fc: frame control bytes in little-endian byteorder
 537  */
 538 static inline bool ieee80211_is_pspoll(__le16 fc)
 539 {
 540         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 541                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 542 }
 543
 544 /**
 545  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 546  * @fc: frame control bytes in little-endian byteorder
 547  */
 548 static inline bool ieee80211_is_rts(__le16 fc)
 549 {
 550         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 551                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 552 }
 553
 554 /**
 555  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 556  * @fc: frame control bytes in little-endian byteorder
 557  */
 558 static inline bool ieee80211_is_cts(__le16 fc)
 559 {
 560         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 561                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 562 }
 563
 564 /**
 565  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 566  * @fc: frame control bytes in little-endian byteorder
 567  */
 568 static inline bool ieee80211_is_ack(__le16 fc)
 569 {
 570         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 571                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 572 }
 573
 574 /**
 575  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 576  * @fc: frame control bytes in little-endian byteorder
 577  */
 578 static inline bool ieee80211_is_cfend(__le16 fc)
 579 {
 580         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 581                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 582 }
 583
 584 /**
 585  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 586  * @fc: frame control bytes in little-endian byteorder
 587  */
 588 static inline bool ieee80211_is_cfendack(__le16 fc)
 589 {
 590         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 591                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 592 }
 593
 594 /**
 595  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 596  * @fc: frame control bytes in little-endian byteorder
 597  */
 598 static inline bool ieee80211_is_nullfunc(__le16 fc)
 599 {
 600         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 601                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 602 }
 603
 604 /**
 605  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 606  * @fc: frame control bytes in little-endian byteorder
 607  */
 608 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 609 {
 610         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 611                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 612 }
 613
 614 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 615 {
 616         unsigned int hdrlen = 24;
 617
 618         if (ieee80211_has_a4(fc))
 619                 hdrlen = 30;
 620
 621         if (ieee80211_is_data_qos(fc)) {
 622                 hdrlen += IEEE80211_QOS_CTL_LEN;
 623                 if (ieee80211_has_order(fc))
 624                         hdrlen += IEEE80211_HT_CTL_LEN;
 625         }
 626
 627         return hdrlen;
 628 }
 629
 630 /**
 631  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 632  * @fc: frame control field in little-endian byteorder
 633  */
 634 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 635 {
 636         /* IEEE 802.11-2012, definition of "bufferable management frame";
 637          * note that this ignores the IBSS special case. */
 638         return ieee80211_is_mgmt(fc) &&
 639                (ieee80211_is_action(fc) ||
 640                 ieee80211_is_disassoc(fc) ||
 641                 ieee80211_is_deauth(fc));
 642 }
 643
 644 /**
 645  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 646  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 647  */
 648 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 649 {
 650         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 651 }
 652
 653 /**
 654  * ieee80211_is_frag - check if a frame is a fragment
 655  * @hdr: 802.11 header of the frame
 656  */
 657 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 658 {
 659         return ieee80211_has_morefrags(hdr->frame_control) ||
 660                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 661 }
 662
 663 struct ieee80211s_hdr {
 664         u8 flags;
 665         u8 ttl;
 666         __le32 seqnum;
 667         u8 eaddr1[6];
 668         u8 eaddr2[6];
 669 } __packed __aligned(2);
 670
 671 /* Mesh flags */
 672 #define MESH_FLAGS_AE_A4        0x1
 673 #define MESH_FLAGS_AE_A5_A6     0x2
 674 #define MESH_FLAGS_AE           0x3
 675 #define MESH_FLAGS_PS_DEEP      0x4
 676
 677 /**
 678  * enum ieee80211_preq_flags - mesh PREQ element flags
 679  *
 680  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 681  */
 682 enum ieee80211_preq_flags {
 683         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 684 };
 685
 686 /**
 687  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 688  *
 689  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 690  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 691  */
 692 enum ieee80211_preq_target_flags {
 693         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 694         IEEE80211_PREQ_USN_FLAG = 1<<2,
 695 };
 696
 697 /**
 698  * struct ieee80211_quiet_ie
 699  *
 700  * This structure refers to "Quiet information element"
 701  */
 702 struct ieee80211_quiet_ie {
 703         u8 count;
 704         u8 period;
 705         __le16 duration;
 706         __le16 offset;
 707 } __packed;
 708
 709 /**
 710  * struct ieee80211_msrment_ie
 711  *
 712  * This structure refers to "Measurement Request/Report information element"
 713  */
 714 struct ieee80211_msrment_ie {
 715         u8 token;
 716         u8 mode;
 717         u8 type;
 718         u8 request[0];
 719 } __packed;
 720
 721 /**
 722  * struct ieee80211_channel_sw_ie
 723  *
 724  * This structure refers to "Channel Switch Announcement information element"
 725  */
 726 struct ieee80211_channel_sw_ie {
 727         u8 mode;
 728         u8 new_ch_num;
 729         u8 count;
 730 } __packed;
 731
 732 /**
 733  * struct ieee80211_ext_chansw_ie
 734  *
 735  * This structure represents the "Extended Channel Switch Announcement element"
 736  */
 737 struct ieee80211_ext_chansw_ie {
 738         u8 mode;
 739         u8 new_operating_class;
 740         u8 new_ch_num;
 741         u8 count;
 742 } __packed;
 743
 744 /**
 745  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 746  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 747  *      values here
 748  * This structure represents the "Secondary Channel Offset element"
 749  */
 750 struct ieee80211_sec_chan_offs_ie {
 751         u8 sec_chan_offs;
 752 } __packed;
 753
 754 /**
 755  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 756  *
 757  * This structure represents the "Mesh Channel Switch Paramters element"
 758  */
 759 struct ieee80211_mesh_chansw_params_ie {
 760         u8 mesh_ttl;
 761         u8 mesh_flags;
 762         __le16 mesh_reason;
 763         __le16 mesh_pre_value;
 764 } __packed;
 765
 766 /**
 767  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 768  */
 769 struct ieee80211_wide_bw_chansw_ie {
 770         u8 new_channel_width;
 771         u8 new_center_freq_seg0, new_center_freq_seg1;
 772 } __packed;
 773
 774 /**
 775  * struct ieee80211_tim
 776  *
 777  * This structure refers to "Traffic Indication Map information element"
 778  */
 779 struct ieee80211_tim_ie {
 780         u8 dtim_count;
 781         u8 dtim_period;
 782         u8 bitmap_ctrl;
 783         /* variable size: 1 - 251 bytes */
 784         u8 virtual_map[1];
 785 } __packed;
 786
 787 /**
 788  * struct ieee80211_meshconf_ie
 789  *
 790  * This structure refers to "Mesh Configuration information element"
 791  */
 792 struct ieee80211_meshconf_ie {
 793         u8 meshconf_psel;
 794         u8 meshconf_pmetric;
 795         u8 meshconf_congest;
 796         u8 meshconf_synch;
 797         u8 meshconf_auth;
 798         u8 meshconf_form;
 799         u8 meshconf_cap;
 800 } __packed;
 801
 802 /**
 803  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 804  *
 805  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 806  *      additional mesh peerings with other mesh STAs
 807  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 808  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 809  *      is ongoing
 810  */
 811 enum mesh_config_capab_flags {
 812         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 813         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 814         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 815 };
 816
 817 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 818
 819 /**
 820  * mesh channel switch parameters element's flag indicator
 821  *
 822  */
 823 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 824 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 825 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 826
 827 /**
 828  * struct ieee80211_rann_ie
 829  *
 830  * This structure refers to "Root Announcement information element"
 831  */
 832 struct ieee80211_rann_ie {
 833         u8 rann_flags;
 834         u8 rann_hopcount;
 835         u8 rann_ttl;
 836         u8 rann_addr[6];
 837         __le32 rann_seq;
 838         __le32 rann_interval;
 839         __le32 rann_metric;
 840 } __packed;
 841
 842 enum ieee80211_rann_flags {
 843         RANN_FLAG_IS_GATE = 1 << 0,
 844 };
 845
 846 enum ieee80211_ht_chanwidth_values {
 847         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 848         IEEE80211_HT_CHANWIDTH_ANY = 1,
 849 };
 850
 851 /**
 852  * enum ieee80211_opmode_bits - VHT operating mode field bits
 853  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 854  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 855  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 856  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 857  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 858  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 859  *      (the NSS value is the value of this field + 1)
 860  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 861  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 862  *      using a beamforming steering matrix
 863  */
 864 enum ieee80211_vht_opmode_bits {
 865         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 866         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 867         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 868         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 869         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 870         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 871         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 872         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 873 };
 874
 875 #define WLAN_SA_QUERY_TR_ID_LEN 2
 876 #define WLAN_MEMBERSHIP_LEN 8
 877 #define WLAN_USER_POSITION_LEN 16
 878
 879 /**
 880  * struct ieee80211_tpc_report_ie
 881  *
 882  * This structure refers to "TPC Report element"
 883  */
 884 struct ieee80211_tpc_report_ie {
 885         u8 tx_power;
 886         u8 link_margin;
 887 } __packed;
 888
 889 struct ieee80211_mgmt {
 890         __le16 frame_control;
 891         __le16 duration;
 892         u8 da[6];
 893         u8 sa[6];
 894         u8 bssid[6];
 895         __le16 seq_ctrl;
 896         union {
 897                 struct {
 898                         __le16 auth_alg;
 899                         __le16 auth_transaction;
 900                         __le16 status_code;
 901                         /* possibly followed by Challenge text */
 902                         u8 variable[0];
 903                 } __packed __aligned(4) auth;
 904                 struct {
 905                         __le16 reason_code;
 906                 } __packed __aligned(4) deauth;
 907                 struct {
 908                         __le16 capab_info;
 909                         __le16 listen_interval;
 910                         /* followed by SSID and Supported rates */
 911                         u8 variable[0];
 912                 } __packed __aligned(4) assoc_req;
 913                 struct {
 914                         __le16 capab_info;
 915                         __le16 status_code;
 916                         __le16 aid;
 917                         /* followed by Supported rates */
 918                         u8 variable[0];
 919                 } __packed __aligned(4) assoc_resp, reassoc_resp;
 920                 struct {
 921                         __le16 capab_info;
 922                         __le16 listen_interval;
 923                         u8 current_ap[6];
 924                         /* followed by SSID and Supported rates */
 925                         u8 variable[0];
 926                 } __packed __aligned(4) reassoc_req;
 927                 struct {
 928                         __le16 reason_code;
 929                 } __packed __aligned(4) disassoc;
 930                 struct {
 931                         __le64 timestamp;
 932                         __le16 beacon_int;
 933                         __le16 capab_info;
 934                         /* followed by some of SSID, Supported rates,
 935                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 936                         u8 variable[0];
 937                 } __packed __aligned(4) beacon;
 938                 struct {
 939                         /* only variable items: SSID, Supported rates */
 940                         u8 variable[0];
 941                 } __packed __aligned(4) probe_req;
 942                 struct {
 943                         __le64 timestamp;
 944                         __le16 beacon_int;
 945                         __le16 capab_info;
 946                         /* followed by some of SSID, Supported rates,
 947                          * FH Params, DS Params, CF Params, IBSS Params */
 948                         u8 variable[0];
 949                 } __packed __aligned(4) probe_resp;
 950                 struct {
 951                         u8 category;
 952                         union {
 953                                 struct {
 954                                         u8 action_code;
 955                                         u8 dialog_token;
 956                                         u8 status_code;
 957                                         u8 variable[0];
 958                                 } __packed wme_action;
 959                                 struct{
 960                                         u8 action_code;
 961                                         u8 variable[0];
 962                                 } __packed chan_switch;
 963                                 struct{
 964                                         u8 action_code;
 965                                         struct ieee80211_ext_chansw_ie data;
 966                                         u8 variable[0];
 967                                 } __packed ext_chan_switch;
 968                                 struct{
 969                                         u8 action_code;
 970                                         u8 dialog_token;
 971                                         u8 element_id;
 972                                         u8 length;
 973                                         struct ieee80211_msrment_ie msr_elem;
 974                                 } __packed measurement;
 975                                 struct{
 976                                         u8 action_code;
 977                                         u8 dialog_token;
 978                                         __le16 capab;
 979                                         __le16 timeout;
 980                                         __le16 start_seq_num;
 981                                 } __packed addba_req;
 982                                 struct{
 983                                         u8 action_code;
 984                                         u8 dialog_token;
 985                                         __le16 status;
 986                                         __le16 capab;
 987                                         __le16 timeout;
 988                                 } __packed addba_resp;
 989                                 struct{
 990                                         u8 action_code;
 991                                         __le16 params;
 992                                         __le16 reason_code;
 993                                 } __packed delba;
 994                                 struct {
 995                                         u8 action_code;
 996                                         u8 variable[0];
 997                                 } __packed self_prot;
 998                                 struct{
 999                                         u8 action_code;
1000                                         u8 variable[0];
1001                                 } __packed mesh_action;
1002                                 struct {
1003                                         u8 action;
1004                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1005                                 } __packed sa_query;
1006                                 struct {
1007                                         u8 action;
1008                                         u8 smps_control;
1009                                 } __packed ht_smps;
1010                                 struct {
1011                                         u8 action_code;
1012                                         u8 chanwidth;
1013                                 } __packed ht_notify_cw;
1014                                 struct {
1015                                         u8 action_code;
1016                                         u8 dialog_token;
1017                                         __le16 capability;
1018                                         u8 variable[0];
1019                                 } __packed tdls_discover_resp;
1020                                 struct {
1021                                         u8 action_code;
1022                                         u8 operating_mode;
1023                                 } __packed vht_opmode_notif;
1024                                 struct {
1025                                         u8 action_code;
1026                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1027                                         u8 position[WLAN_USER_POSITION_LEN];
1028                                 } __packed vht_group_notif;
1029                                 struct {
1030                                         u8 action_code;
1031                                         u8 dialog_token;
1032                                         u8 tpc_elem_id;
1033                                         u8 tpc_elem_length;
1034                                         struct ieee80211_tpc_report_ie tpc;
1035                                 } __packed tpc_report;
1036                                 struct {
1037                                         u8 action_code;
1038                                         u8 dialog_token;
1039                                         u8 follow_up;
1040                                         u8 tod[6];
1041                                         u8 toa[6];
1042                                         __le16 tod_error;
1043                                         __le16 toa_error;
1044                                         u8 variable[0];
1045                                 } __packed ftm;
1046                         } u;
1047                 } __packed __aligned(4) action;
1048         } u __aligned(2);
1049 } __packed __aligned(2);
1050
1051 /* Supported rates membership selectors */
1052 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1053 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1054
1055 /* mgmt header + 1 byte category code */
1056 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1057
1058
1059 /* Management MIC information element (IEEE 802.11w) */
1060 struct ieee80211_mmie {
1061         u8 element_id;
1062         u8 length;
1063         __le16 key_id;
1064         u8 sequence_number[6];
1065         u8 mic[8];
1066 } __packed;
1067
1068 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1069 struct ieee80211_mmie_16 {
1070         u8 element_id;
1071         u8 length;
1072         __le16 key_id;
1073         u8 sequence_number[6];
1074         u8 mic[16];
1075 } __packed;
1076
1077 struct ieee80211_vendor_ie {
1078         u8 element_id;
1079         u8 len;
1080         u8 oui[3];
1081         u8 oui_type;
1082 } __packed;
1083
1084 struct ieee80211_wmm_ac_param {
1085         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1086         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1087         __le16 txop_limit;
1088 } __packed;
1089
1090 struct ieee80211_wmm_param_ie {
1091         u8 element_id; /* Element ID: 221 (0xdd); */
1092         u8 len; /* Length: 24 */
1093         /* required fields for WMM version 1 */
1094         u8 oui[3]; /* 00:50:f2 */
1095         u8 oui_type; /* 2 */
1096         u8 oui_subtype; /* 1 */
1097         u8 version; /* 1 for WMM version 1.0 */
1098         u8 qos_info; /* AP/STA specific QoS info */
1099         u8 reserved; /* 0 */
1100         /* AC_BE, AC_BK, AC_VI, AC_VO */
1101         struct ieee80211_wmm_ac_param ac[4];
1102 } __packed;
1103
1104 /* Control frames */
1105 struct ieee80211_rts {
1106         __le16 frame_control;
1107         __le16 duration;
1108         u8 ra[6];
1109         u8 ta[6];
1110 } __packed __aligned(2);
1111
1112 struct ieee80211_cts {
1113         __le16 frame_control;
1114         __le16 duration;
1115         u8 ra[6];
1116 } __packed __aligned(2);
1117
1118 struct ieee80211_pspoll {
1119         __le16 frame_control;
1120         __le16 aid;
1121         u8 bssid[6];
1122         u8 ta[6];
1123 } __packed __aligned(2);
1124
1125 /* TDLS */
1126
1127 /* Channel switch timing */
1128 struct ieee80211_ch_switch_timing {
1129         __le16 switch_time;
1130         __le16 switch_timeout;
1131 } __packed;
1132
1133 /* Link-id information element */
1134 struct ieee80211_tdls_lnkie {
1135         u8 ie_type; /* Link Identifier IE */
1136         u8 ie_len;
1137         u8 bssid[6];
1138         u8 init_sta[6];
1139         u8 resp_sta[6];
1140 } __packed;
1141
1142 struct ieee80211_tdls_data {
1143         u8 da[6];
1144         u8 sa[6];
1145         __be16 ether_type;
1146         u8 payload_type;
1147         u8 category;
1148         u8 action_code;
1149         union {
1150                 struct {
1151                         u8 dialog_token;
1152                         __le16 capability;
1153                         u8 variable[0];
1154                 } __packed setup_req;
1155                 struct {
1156                         __le16 status_code;
1157                         u8 dialog_token;
1158                         __le16 capability;
1159                         u8 variable[0];
1160                 } __packed setup_resp;
1161                 struct {
1162                         __le16 status_code;
1163                         u8 dialog_token;
1164                         u8 variable[0];
1165                 } __packed setup_cfm;
1166                 struct {
1167                         __le16 reason_code;
1168                         u8 variable[0];
1169                 } __packed teardown;
1170                 struct {
1171                         u8 dialog_token;
1172                         u8 variable[0];
1173                 } __packed discover_req;
1174                 struct {
1175                         u8 target_channel;
1176                         u8 oper_class;
1177                         u8 variable[0];
1178                 } __packed chan_switch_req;
1179                 struct {
1180                         __le16 status_code;
1181                         u8 variable[0];
1182                 } __packed chan_switch_resp;
1183         } u;
1184 } __packed;
1185
1186 /*
1187  * Peer-to-Peer IE attribute related definitions.
1188  */
1189 /**
1190  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1191  */
1192 enum ieee80211_p2p_attr_id {
1193         IEEE80211_P2P_ATTR_STATUS = 0,
1194         IEEE80211_P2P_ATTR_MINOR_REASON,
1195         IEEE80211_P2P_ATTR_CAPABILITY,
1196         IEEE80211_P2P_ATTR_DEVICE_ID,
1197         IEEE80211_P2P_ATTR_GO_INTENT,
1198         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1199         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1200         IEEE80211_P2P_ATTR_GROUP_BSSID,
1201         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1202         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1203         IEEE80211_P2P_ATTR_MANAGABILITY,
1204         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1205         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1206         IEEE80211_P2P_ATTR_DEVICE_INFO,
1207         IEEE80211_P2P_ATTR_GROUP_INFO,
1208         IEEE80211_P2P_ATTR_GROUP_ID,
1209         IEEE80211_P2P_ATTR_INTERFACE,
1210         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1211         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1212         /* 19 - 220: Reserved */
1213         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1214
1215         IEEE80211_P2P_ATTR_MAX
1216 };
1217
1218 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1219 /* Typical max value used here */
1220 #define IEEE80211_P2P_NOA_DESC_MAX      4
1221
1222 struct ieee80211_p2p_noa_desc {
1223         u8 count;
1224         __le32 duration;
1225         __le32 interval;
1226         __le32 start_time;
1227 } __packed;
1228
1229 struct ieee80211_p2p_noa_attr {
1230         u8 index;
1231         u8 oppps_ctwindow;
1232         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1233 } __packed;
1234
1235 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1236 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1237
1238 /**
1239  * struct ieee80211_bar - HT Block Ack Request
1240  *
1241  * This structure refers to "HT BlockAckReq" as
1242  * described in 802.11n draft section 7.2.1.7.1
1243  */
1244 struct ieee80211_bar {
1245         __le16 frame_control;
1246         __le16 duration;
1247         __u8 ra[6];
1248         __u8 ta[6];
1249         __le16 control;
1250         __le16 start_seq_num;
1251 } __packed __aligned(2);
1252
1253 /* 802.11 BA(R) control masks */
1254 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1255 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1256 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1257 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1258 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1259
1260 /**
1261  * struct ieee80211_ba - HT Block Ack
1262  *
1263  * This structure refers to "HT BlockAck" as
1264  * described in 802.11n draft section 7.2.1.8.1
1265  */
1266 struct ieee80211_ba {
1267         __le16 frame_control;
1268         __le16 duration;
1269         u8 ra[6];
1270         u8 ta[6];
1271         __le16 control;
1272
1273         __le16 start_seq_num;
1274         u8 bitmap[8];
1275 } __packed;
1276
1277 #define IEEE80211_HT_MCS_MASK_LEN               10
1278
1279 /**
1280  * struct ieee80211_mcs_info - MCS information
1281  * @rx_mask: RX mask
1282  * @rx_highest: highest supported RX rate. If set represents
1283  *      the highest supported RX data rate in units of 1 Mbps.
1284  *      If this field is 0 this value should not be used to
1285  *      consider the highest RX data rate supported.
1286  * @tx_params: TX parameters
1287  */
1288 struct ieee80211_mcs_info {
1289         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1290         __le16 rx_highest;
1291         u8 tx_params;
1292         u8 reserved[3];
1293 } __packed;
1294
1295 /* 802.11n HT capability MSC set */
1296 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1297 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1298 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1299 /* value 0 == 1 stream etc */
1300 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1301 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1302 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1303 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1304
1305 /*
1306  * 802.11n D5.0 20.3.5 / 20.6 says:
1307  * - indices 0 to 7 and 32 are single spatial stream
1308  * - 8 to 31 are multiple spatial streams using equal modulation
1309  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1310  * - remainder are multiple spatial streams using unequal modulation
1311  */
1312 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1313 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1314         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1315
1316 /**
1317  * struct ieee80211_ht_cap - HT capabilities
1318  *
1319  * This structure is the "HT capabilities element" as
1320  * described in 802.11n D5.0 7.3.2.57
1321  */
1322 struct ieee80211_ht_cap {
1323         __le16 cap_info;
1324         u8 ampdu_params_info;
1325
1326         /* 16 bytes MCS information */
1327         struct ieee80211_mcs_info mcs;
1328
1329         __le16 extended_ht_cap_info;
1330         __le32 tx_BF_cap_info;
1331         u8 antenna_selection_info;
1332 } __packed;
1333
1334 /* 802.11n HT capabilities masks (for cap_info) */
1335 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1336 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1337 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1338 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1339 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1340 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1341 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1342 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1343 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1344 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1345 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1346 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1347 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1348 #define IEEE80211_HT_CAP_RESERVED               0x2000
1349 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1350 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1351
1352 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1353 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1354 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1355 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1356 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1357 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1358 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1359 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1360
1361 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1362 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1363 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1364 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1365
1366 /*
1367  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1368  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1369  */
1370 enum ieee80211_max_ampdu_length_exp {
1371         IEEE80211_HT_MAX_AMPDU_8K = 0,
1372         IEEE80211_HT_MAX_AMPDU_16K = 1,
1373         IEEE80211_HT_MAX_AMPDU_32K = 2,
1374         IEEE80211_HT_MAX_AMPDU_64K = 3
1375 };
1376
1377 /*
1378  * Maximum length of AMPDU that the STA can receive in VHT.
1379  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1380  */
1381 enum ieee80211_vht_max_ampdu_length_exp {
1382         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1383         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1384         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1385         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1386         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1387         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1388         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1389         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1390 };
1391
1392 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1393
1394 /* Minimum MPDU start spacing */
1395 enum ieee80211_min_mpdu_spacing {
1396         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1397         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1398         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1399         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1400         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1401         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1402         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1403         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1404 };
1405
1406 /**
1407  * struct ieee80211_ht_operation - HT operation IE
1408  *
1409  * This structure is the "HT operation element" as
1410  * described in 802.11n-2009 7.3.2.57
1411  */
1412 struct ieee80211_ht_operation {
1413         u8 primary_chan;
1414         u8 ht_param;
1415         __le16 operation_mode;
1416         __le16 stbc_param;
1417         u8 basic_set[16];
1418 } __packed;
1419
1420 /* for ht_param */
1421 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1422 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1423 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1424 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1425 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1426 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1427
1428 /* for operation_mode */
1429 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1430 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1431 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1432 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1433 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1434 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1435 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1436 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1437 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1438
1439 /* for stbc_param */
1440 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1441 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1442 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1443 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1444 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1445 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1446
1447
1448 /* block-ack parameters */
1449 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1450 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1451 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1452 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1453 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1454 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1455
1456 /*
1457  * A-MPDU buffer sizes
1458  * According to HT size varies from 8 to 64 frames
1459  * HE adds the ability to have up to 256 frames.
1460  */
1461 #define IEEE80211_MIN_AMPDU_BUF         0x8
1462 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1463 #define IEEE80211_MAX_AMPDU_BUF         0x100
1464
1465
1466 /* Spatial Multiplexing Power Save Modes (for capability) */
1467 #define WLAN_HT_CAP_SM_PS_STATIC        0
1468 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1469 #define WLAN_HT_CAP_SM_PS_INVALID       2
1470 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1471
1472 /* for SM power control field lower two bits */
1473 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1474 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1475 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1476
1477 /**
1478  * struct ieee80211_vht_mcs_info - VHT MCS information
1479  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1480  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1481  *      STA can receive. Rate expressed in units of 1 Mbps.
1482  *      If this field is 0 this value should not be used to
1483  *      consider the highest RX data rate supported.
1484  *      The top 3 bits of this field indicate the Maximum NSTS,total
1485  *      (a beamformee capability.)
1486  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1487  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1488  *      STA can transmit. Rate expressed in units of 1 Mbps.
1489  *      If this field is 0 this value should not be used to
1490  *      consider the highest TX data rate supported.
1491  *      The top 2 bits of this field are reserved, the
1492  *      3rd bit from the top indiciates VHT Extended NSS BW
1493  *      Capability.
1494  */
1495 struct ieee80211_vht_mcs_info {
1496         __le16 rx_mcs_map;
1497         __le16 rx_highest;
1498         __le16 tx_mcs_map;
1499         __le16 tx_highest;
1500 } __packed;
1501
1502 /* for rx_highest */
1503 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1504 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1505
1506 /* for tx_highest */
1507 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1508
1509 /**
1510  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1511  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1512  *      number of streams
1513  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1514  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1515  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1516  *
1517  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1518  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1519  * both split into 8 subfields by number of streams. These values indicate
1520  * which MCSes are supported for the number of streams the value appears
1521  * for.
1522  */
1523 enum ieee80211_vht_mcs_support {
1524         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1525         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1526         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1527         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1528 };
1529
1530 /**
1531  * struct ieee80211_vht_cap - VHT capabilities
1532  *
1533  * This structure is the "VHT capabilities element" as
1534  * described in 802.11ac D3.0 8.4.2.160
1535  * @vht_cap_info: VHT capability info
1536  * @supp_mcs: VHT MCS supported rates
1537  */
1538 struct ieee80211_vht_cap {
1539         __le32 vht_cap_info;
1540         struct ieee80211_vht_mcs_info supp_mcs;
1541 } __packed;
1542
1543 /**
1544  * enum ieee80211_vht_chanwidth - VHT channel width
1545  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1546  *      determine the channel width (20 or 40 MHz)
1547  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1548  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1549  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1550  */
1551 enum ieee80211_vht_chanwidth {
1552         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1553         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1554         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1555         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1556 };
1557
1558 /**
1559  * struct ieee80211_vht_operation - VHT operation IE
1560  *
1561  * This structure is the "VHT operation element" as
1562  * described in 802.11ac D3.0 8.4.2.161
1563  * @chan_width: Operating channel width
1564  * @center_freq_seg0_idx: center freq segment 0 index
1565  * @center_freq_seg1_idx: center freq segment 1 index
1566  * @basic_mcs_set: VHT Basic MCS rate set
1567  */
1568 struct ieee80211_vht_operation {
1569         u8 chan_width;
1570         u8 center_freq_seg0_idx;
1571         u8 center_freq_seg1_idx;
1572         __le16 basic_mcs_set;
1573 } __packed;
1574
1575 /**
1576  * struct ieee80211_he_cap_elem - HE capabilities element
1577  *
1578  * This structure is the "HE capabilities element" fixed fields as
1579  * described in P802.11ax_D3.0 section 9.4.2.237.2 and 9.4.2.237.3
1580  */
1581 struct ieee80211_he_cap_elem {
1582         u8 mac_cap_info[6];
1583         u8 phy_cap_info[11];
1584 } __packed;
1585
1586 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1587
1588 /**
1589  * enum ieee80211_he_mcs_support - HE MCS support definitions
1590  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1591  *      number of streams
1592  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1593  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1594  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1595  *
1596  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1597  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1598  * both split into 8 subfields by number of streams. These values indicate
1599  * which MCSes are supported for the number of streams the value appears
1600  * for.
1601  */
1602 enum ieee80211_he_mcs_support {
1603         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1604         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1605         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1606         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1607 };
1608
1609 /**
1610  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1611  *
1612  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1613  * described in P802.11ax_D2.0 section 9.4.2.237.4
1614  *
1615  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1616  *     widths less than 80MHz.
1617  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1618  *     widths less than 80MHz.
1619  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1620  *     width 160MHz.
1621  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1622  *     width 160MHz.
1623  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1624  *     channel width 80p80MHz.
1625  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1626  *     channel width 80p80MHz.
1627  */
1628 struct ieee80211_he_mcs_nss_supp {
1629         __le16 rx_mcs_80;
1630         __le16 tx_mcs_80;
1631         __le16 rx_mcs_160;
1632         __le16 tx_mcs_160;
1633         __le16 rx_mcs_80p80;
1634         __le16 tx_mcs_80p80;
1635 } __packed;
1636
1637 /**
1638  * struct ieee80211_he_operation - HE capabilities element
1639  *
1640  * This structure is the "HE operation element" fields as
1641  * described in P802.11ax_D3.0 section 9.4.2.238
1642  */
1643 struct ieee80211_he_operation {
1644         __le32 he_oper_params;
1645         __le16 he_mcs_nss_set;
1646         /* Optional 0,1,3 or 4 bytes: depends on @he_oper_params */
1647         u8 optional[0];
1648 } __packed;
1649
1650 /**
1651  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1652  *
1653  * This structure is the "MU AC Parameter Record" fields as
1654  * described in P802.11ax_D2.0 section 9.4.2.240
1655  */
1656 struct ieee80211_he_mu_edca_param_ac_rec {
1657         u8 aifsn;
1658         u8 ecw_min_max;
1659         u8 mu_edca_timer;
1660 } __packed;
1661
1662 /**
1663  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1664  *
1665  * This structure is the "MU EDCA Parameter Set element" fields as
1666  * described in P802.11ax_D2.0 section 9.4.2.240
1667  */
1668 struct ieee80211_mu_edca_param_set {
1669         u8 mu_qos_info;
1670         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1671         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1672         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1673         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1674 } __packed;
1675
1676 /* 802.11ac VHT Capabilities */
1677 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1678 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1679 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1680 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1681 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1682 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1683 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1684 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1685 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1686 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1687 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1688 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1689 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1690 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1691 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1692 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1693 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1694 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1695 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1696 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1697 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1698 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1699                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1700 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1701 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1702                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1703 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1704 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1705 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1706 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1707 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1708 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1709                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1710 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1711 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1712 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1713 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1714 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1715 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1716
1717 /**
1718  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1719  * @cap: VHT capabilities of the peer
1720  * @bw: bandwidth to use
1721  * @mcs: MCS index to use
1722  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1723  *      (rate scaling algorithm) can deal with the new logic
1724  *      (dot11VHTExtendedNSSBWCapable)
1725  *
1726  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1727  * vary for a given BW/MCS. This function parses the data.
1728  *
1729  * Note: This function is exported by cfg80211.
1730  */
1731 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1732                               enum ieee80211_vht_chanwidth bw,
1733                               int mcs, bool ext_nss_bw_capable);
1734
1735 /* 802.11ax HE MAC capabilities */
1736 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1737 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1738 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1739 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1740 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1741 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1742 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1743 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1744 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1745 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1746 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1747 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1748 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1749 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1750 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1751 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1752 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1753
1754 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1755 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1756 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1757 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1758 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1759 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1760 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1761 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1762 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1763 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1764 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1765 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1766 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1767 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1768 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1769 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1770 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1771 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1772
1773 /* Link adaptation is split between byte HE_MAC_CAP1 and
1774  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1775  * in which case the following values apply:
1776  * 0 = No feedback.
1777  * 1 = reserved.
1778  * 2 = Unsolicited feedback.
1779  * 3 = both
1780  */
1781 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1782
1783 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1784 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1785 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1786 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1787 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1788 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1789 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1790 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1791
1792 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1793 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1794
1795 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1796  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1797  * same field in the HE capabilities.
1798  */
1799 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1800 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1801 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1802 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1803 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1804 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1805 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1806 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1807
1808 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1809 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1810 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1811 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1812 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1813 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1814 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1815 /* Multi TID agg TX is split between byte #4 and #5
1816  * The value is a combination of B39,B40,B41
1817  */
1818 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1819
1820 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1821 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1822 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1823 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1824 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1825
1826 /* 802.11ax HE PHY capabilities */
1827 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1828 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1829 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1830 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1831 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1832 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1833 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1834
1835 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1836 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1837 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1838 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1839 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1840 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1841 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1842 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1843 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1844 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1845
1846 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1847 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1848 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1849 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1850 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1851 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1852
1853 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1854  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1855  * case it indicates support for Tx.
1856  */
1857 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1858 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1859
1860 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1861 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1862 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1863 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1864 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1865 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1866 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1867 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1868 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1869 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1870 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1871 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1872 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1873 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1874 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1875 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1876
1877 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1878 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1879
1880 /* Minimal allowed value of Max STS under 80MHz is 3 */
1881 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1882 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1883 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1884 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1885 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1886 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1887
1888 /* Minimal allowed value of Max STS above 80MHz is 3 */
1889 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1890 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1891 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1892 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1893 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1894 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1895
1896 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1897 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1898 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1899 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1900 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1901 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1902 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1903 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1904 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1905
1906 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1907 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1908 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1909 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1910 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1911 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1912 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1913 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1914 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1915
1916 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1917 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1918
1919 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1920 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1921 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1922 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1923 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1924 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1925 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1926 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1927
1928 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1929 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1930 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1931 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1932 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1933 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1934 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1935 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1936 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1937 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1938 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1939 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1940 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1941
1942 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1943 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1944 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1945 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1946 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1947 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1948 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_20MHZ                          0x00
1949 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_40MHZ                          0x40
1950 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_80MHZ                          0x80
1951 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_160_OR_80P80_MHZ               0xc0
1952 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_BW_MASK                           0xc0
1953
1954 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1955 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1956 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1957 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1958 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1959 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1960
1961 /* 802.11ax HE TX/RX MCS NSS Support  */
1962 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1963 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
1964 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
1965 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
1966 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
1967
1968 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1969 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1970         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1971         HIGHEST_MCS_SUPPORTED_MCS8,
1972         HIGHEST_MCS_SUPPORTED_MCS9,
1973         HIGHEST_MCS_SUPPORTED_MCS10,
1974         HIGHEST_MCS_SUPPORTED_MCS11,
1975 };
1976
1977 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1978 static inline u8
1979 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1980 {
1981         u8 count = 4;
1982
1983         if (he_cap->phy_cap_info[0] &
1984             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1985                 count += 4;
1986
1987         if (he_cap->phy_cap_info[0] &
1988             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1989                 count += 4;
1990
1991         return count;
1992 }
1993
1994 /* 802.11ax HE PPE Thresholds */
1995 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
1996 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
1997 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
1998 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
1999         (BIT(5) | BIT(6))
2000 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2001 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2002 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2003
2004 /*
2005  * Calculate 802.11ax HE capabilities IE PPE field size
2006  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2007  */
2008 static inline u8
2009 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2010 {
2011         u8 n;
2012
2013         if ((phy_cap_info[6] &
2014              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2015                 return 0;
2016
2017         n = hweight8(ppe_thres_hdr &
2018                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2019         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2020                    IEEE80211_PPE_THRES_NSS_POS));
2021
2022         /*
2023          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2024          * total size.
2025          */
2026         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2027         n = DIV_ROUND_UP(n, 8);
2028
2029         return n;
2030 }
2031
2032 /* HE Operation defines */
2033 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2034 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2035 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2036 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2037 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2038 #define IEEE80211_HE_OPERATION_CO_LOCATED_BSS                   0x00008000
2039 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2040 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2041 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2042 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2043 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2044
2045 /*
2046  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2047  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2048  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2049  *      sizeof(struct ieee80211_he_operation) bytes, checked already in
2050  *      ieee802_11_parse_elems_crc()
2051  * @return the actual size of the IE data (not including header), or 0 on error
2052  */
2053 static inline u8
2054 ieee80211_he_oper_size(const u8 *he_oper_ie)
2055 {
2056         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2057         u8 oper_len = sizeof(struct ieee80211_he_operation);
2058         u32 he_oper_params;
2059
2060         /* Make sure the input is not NULL */
2061         if (!he_oper_ie)
2062                 return 0;
2063
2064         /* Calc required length */
2065         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2066         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2067                 oper_len += 3;
2068         if (he_oper_params & IEEE80211_HE_OPERATION_CO_LOCATED_BSS)
2069                 oper_len++;
2070
2071         /* Add the first byte (extension ID) to the total length */
2072         oper_len++;
2073
2074         return oper_len;
2075 }
2076
2077 /* Authentication algorithms */
2078 #define WLAN_AUTH_OPEN 0
2079 #define WLAN_AUTH_SHARED_KEY 1
2080 #define WLAN_AUTH_FT 2
2081 #define WLAN_AUTH_SAE 3
2082 #define WLAN_AUTH_FILS_SK 4
2083 #define WLAN_AUTH_FILS_SK_PFS 5
2084 #define WLAN_AUTH_FILS_PK 6
2085 #define WLAN_AUTH_LEAP 128
2086
2087 #define WLAN_AUTH_CHALLENGE_LEN 128
2088
2089 #define WLAN_CAPABILITY_ESS             (1<<0)
2090 #define WLAN_CAPABILITY_IBSS            (1<<1)
2091
2092 /*
2093  * A mesh STA sets the ESS and IBSS capability bits to zero.
2094  * however, this holds true for p2p probe responses (in the p2p_find
2095  * phase) as well.
2096  */
2097 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2098         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2099
2100 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2101 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2102 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2103 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2104 #define WLAN_CAPABILITY_PBCC            (1<<6)
2105 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2106
2107 /* 802.11h */
2108 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2109 #define WLAN_CAPABILITY_QOS             (1<<9)
2110 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2111 #define WLAN_CAPABILITY_APSD            (1<<11)
2112 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2113 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2114 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2115 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2116
2117 /* DMG (60gHz) 802.11ad */
2118 /* type - bits 0..1 */
2119 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2120 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2121 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2122 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2123
2124 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2125 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2126 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2127 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2128
2129 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2130 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2131
2132 /* measurement */
2133 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2134 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2135 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2136
2137 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2138 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2139 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2140
2141 /* 802.11g ERP information element */
2142 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2143 #define WLAN_ERP_USE_PROTECTION (1<<1)
2144 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2145
2146 /* WLAN_ERP_BARKER_PREAMBLE values */
2147 enum {
2148         WLAN_ERP_PREAMBLE_SHORT = 0,
2149         WLAN_ERP_PREAMBLE_LONG = 1,
2150 };
2151
2152 /* Band ID, 802.11ad #8.4.1.45 */
2153 enum {
2154         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2155         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2156         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2157         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2158         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2159         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2160 };
2161
2162 /* Status codes */
2163 enum ieee80211_statuscode {
2164         WLAN_STATUS_SUCCESS = 0,
2165         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2166         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2167         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2168         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2169         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2170         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2171         WLAN_STATUS_CHALLENGE_FAIL = 15,
2172         WLAN_STATUS_AUTH_TIMEOUT = 16,
2173         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2174         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2175         /* 802.11b */
2176         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2177         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2178         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2179         /* 802.11h */
2180         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2181         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2182         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2183         /* 802.11g */
2184         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2185         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2186         /* 802.11w */
2187         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2188         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2189         /* 802.11i */
2190         WLAN_STATUS_INVALID_IE = 40,
2191         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2192         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2193         WLAN_STATUS_INVALID_AKMP = 43,
2194         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2195         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2196         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2197         /* 802.11e */
2198         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2199         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2200         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2201         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2202         WLAN_STATUS_REQUEST_DECLINED = 37,
2203         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2204         WLAN_STATUS_CHANGE_TSPEC = 39,
2205         WLAN_STATUS_WAIT_TS_DELAY = 47,
2206         WLAN_STATUS_NO_DIRECT_LINK = 48,
2207         WLAN_STATUS_STA_NOT_PRESENT = 49,
2208         WLAN_STATUS_STA_NOT_QSTA = 50,
2209         /* 802.11s */
2210         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2211         WLAN_STATUS_FCG_NOT_SUPP = 78,
2212         WLAN_STATUS_STA_NO_TBTT = 78,
2213         /* 802.11ad */
2214         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2215         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2216         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2217         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2218         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2219         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2220         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2221         WLAN_STATUS_REJECT_DSE_BAND = 96,
2222         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2223         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2224         /* 802.11ai */
2225         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2226         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2227 };
2228
2229
2230 /* Reason codes */
2231 enum ieee80211_reasoncode {
2232         WLAN_REASON_UNSPECIFIED = 1,
2233         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2234         WLAN_REASON_DEAUTH_LEAVING = 3,
2235         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2236         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2237         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2238         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2239         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2240         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2241         /* 802.11h */
2242         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2243         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2244         /* 802.11i */
2245         WLAN_REASON_INVALID_IE = 13,
2246         WLAN_REASON_MIC_FAILURE = 14,
2247         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2248         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2249         WLAN_REASON_IE_DIFFERENT = 17,
2250         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2251         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2252         WLAN_REASON_INVALID_AKMP = 20,
2253         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2254         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2255         WLAN_REASON_IEEE8021X_FAILED = 23,
2256         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2257         /* TDLS (802.11z) */
2258         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2259         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2260         /* 802.11e */
2261         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2262         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2263         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2264         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2265         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2266         WLAN_REASON_QSTA_NOT_USE = 37,
2267         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2268         WLAN_REASON_QSTA_TIMEOUT = 39,
2269         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2270         /* 802.11s */
2271         WLAN_REASON_MESH_PEER_CANCELED = 52,
2272         WLAN_REASON_MESH_MAX_PEERS = 53,
2273         WLAN_REASON_MESH_CONFIG = 54,
2274         WLAN_REASON_MESH_CLOSE = 55,
2275         WLAN_REASON_MESH_MAX_RETRIES = 56,
2276         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2277         WLAN_REASON_MESH_INVALID_GTK = 58,
2278         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2279         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2280         WLAN_REASON_MESH_PATH_ERROR = 61,
2281         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2282         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2283         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2284         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2285         WLAN_REASON_MESH_CHAN = 66,
2286 };
2287
2288
2289 /* Information Element IDs */
2290 enum ieee80211_eid {
2291         WLAN_EID_SSID = 0,
2292         WLAN_EID_SUPP_RATES = 1,
2293         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2294         WLAN_EID_DS_PARAMS = 3,
2295         WLAN_EID_CF_PARAMS = 4,
2296         WLAN_EID_TIM = 5,
2297         WLAN_EID_IBSS_PARAMS = 6,
2298         WLAN_EID_COUNTRY = 7,
2299         /* 8, 9 reserved */
2300         WLAN_EID_REQUEST = 10,
2301         WLAN_EID_QBSS_LOAD = 11,
2302         WLAN_EID_EDCA_PARAM_SET = 12,
2303         WLAN_EID_TSPEC = 13,
2304         WLAN_EID_TCLAS = 14,
2305         WLAN_EID_SCHEDULE = 15,
2306         WLAN_EID_CHALLENGE = 16,
2307         /* 17-31 reserved for challenge text extension */
2308         WLAN_EID_PWR_CONSTRAINT = 32,
2309         WLAN_EID_PWR_CAPABILITY = 33,
2310         WLAN_EID_TPC_REQUEST = 34,
2311         WLAN_EID_TPC_REPORT = 35,
2312         WLAN_EID_SUPPORTED_CHANNELS = 36,
2313         WLAN_EID_CHANNEL_SWITCH = 37,
2314         WLAN_EID_MEASURE_REQUEST = 38,
2315         WLAN_EID_MEASURE_REPORT = 39,
2316         WLAN_EID_QUIET = 40,
2317         WLAN_EID_IBSS_DFS = 41,
2318         WLAN_EID_ERP_INFO = 42,
2319         WLAN_EID_TS_DELAY = 43,
2320         WLAN_EID_TCLAS_PROCESSING = 44,
2321         WLAN_EID_HT_CAPABILITY = 45,
2322         WLAN_EID_QOS_CAPA = 46,
2323         /* 47 reserved for Broadcom */
2324         WLAN_EID_RSN = 48,
2325         WLAN_EID_802_15_COEX = 49,
2326         WLAN_EID_EXT_SUPP_RATES = 50,
2327         WLAN_EID_AP_CHAN_REPORT = 51,
2328         WLAN_EID_NEIGHBOR_REPORT = 52,
2329         WLAN_EID_RCPI = 53,
2330         WLAN_EID_MOBILITY_DOMAIN = 54,
2331         WLAN_EID_FAST_BSS_TRANSITION = 55,
2332         WLAN_EID_TIMEOUT_INTERVAL = 56,
2333         WLAN_EID_RIC_DATA = 57,
2334         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2335         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2336         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2337         WLAN_EID_HT_OPERATION = 61,
2338         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2339         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2340         WLAN_EID_ANTENNA_INFO = 64,
2341         WLAN_EID_RSNI = 65,
2342         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2343         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2344         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2345         WLAN_EID_TIME_ADVERTISEMENT = 69,
2346         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2347         WLAN_EID_MULTIPLE_BSSID = 71,
2348         WLAN_EID_BSS_COEX_2040 = 72,
2349         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2350         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2351         WLAN_EID_RIC_DESCRIPTOR = 75,
2352         WLAN_EID_MMIE = 76,
2353         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2354         WLAN_EID_EVENT_REQUEST = 78,
2355         WLAN_EID_EVENT_REPORT = 79,
2356         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2357         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2358         WLAN_EID_LOCATION_PARAMS = 82,
2359         WLAN_EID_NON_TX_BSSID_CAP =  83,
2360         WLAN_EID_SSID_LIST = 84,
2361         WLAN_EID_MULTI_BSSID_IDX = 85,
2362         WLAN_EID_FMS_DESCRIPTOR = 86,
2363         WLAN_EID_FMS_REQUEST = 87,
2364         WLAN_EID_FMS_RESPONSE = 88,
2365         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2366         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2367         WLAN_EID_TSF_REQUEST = 91,
2368         WLAN_EID_TSF_RESPOSNE = 92,
2369         WLAN_EID_WNM_SLEEP_MODE = 93,
2370         WLAN_EID_TIM_BCAST_REQ = 94,
2371         WLAN_EID_TIM_BCAST_RESP = 95,
2372         WLAN_EID_COLL_IF_REPORT = 96,
2373         WLAN_EID_CHANNEL_USAGE = 97,
2374         WLAN_EID_TIME_ZONE = 98,
2375         WLAN_EID_DMS_REQUEST = 99,
2376         WLAN_EID_DMS_RESPONSE = 100,
2377         WLAN_EID_LINK_ID = 101,
2378         WLAN_EID_WAKEUP_SCHEDUL = 102,
2379         /* 103 reserved */
2380         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2381         WLAN_EID_PTI_CONTROL = 105,
2382         WLAN_EID_PU_BUFFER_STATUS = 106,
2383         WLAN_EID_INTERWORKING = 107,
2384         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2385         WLAN_EID_EXPEDITED_BW_REQ = 109,
2386         WLAN_EID_QOS_MAP_SET = 110,
2387         WLAN_EID_ROAMING_CONSORTIUM = 111,
2388         WLAN_EID_EMERGENCY_ALERT = 112,
2389         WLAN_EID_MESH_CONFIG = 113,
2390         WLAN_EID_MESH_ID = 114,
2391         WLAN_EID_LINK_METRIC_REPORT = 115,
2392         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2393         WLAN_EID_PEER_MGMT = 117,
2394         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2395         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2396         WLAN_EID_BEACON_TIMING = 120,
2397         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2398         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2399         WLAN_EID_MCCAOP_ADVERT = 123,
2400         WLAN_EID_MCCAOP_TEARDOWN = 124,
2401         WLAN_EID_GANN = 125,
2402         WLAN_EID_RANN = 126,
2403         WLAN_EID_EXT_CAPABILITY = 127,
2404         /* 128, 129 reserved for Agere */
2405         WLAN_EID_PREQ = 130,
2406         WLAN_EID_PREP = 131,
2407         WLAN_EID_PERR = 132,
2408         /* 133-136 reserved for Cisco */
2409         WLAN_EID_PXU = 137,
2410         WLAN_EID_PXUC = 138,
2411         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2412         WLAN_EID_MIC = 140,
2413         WLAN_EID_DESTINATION_URI = 141,
2414         WLAN_EID_UAPSD_COEX = 142,
2415         WLAN_EID_WAKEUP_SCHEDULE = 143,
2416         WLAN_EID_EXT_SCHEDULE = 144,
2417         WLAN_EID_STA_AVAILABILITY = 145,
2418         WLAN_EID_DMG_TSPEC = 146,
2419         WLAN_EID_DMG_AT = 147,
2420         WLAN_EID_DMG_CAP = 148,
2421         /* 149 reserved for Cisco */
2422         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2423         WLAN_EID_DMG_OPERATION = 151,
2424         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2425         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2426         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2427         /* 155-156 reserved for Cisco */
2428         WLAN_EID_AWAKE_WINDOW = 157,
2429         WLAN_EID_MULTI_BAND = 158,
2430         WLAN_EID_ADDBA_EXT = 159,
2431         WLAN_EID_NEXT_PCP_LIST = 160,
2432         WLAN_EID_PCP_HANDOVER = 161,
2433         WLAN_EID_DMG_LINK_MARGIN = 162,
2434         WLAN_EID_SWITCHING_STREAM = 163,
2435         WLAN_EID_SESSION_TRANSITION = 164,
2436         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2437         WLAN_EID_CLUSTER_REPORT = 166,
2438         WLAN_EID_RELAY_CAP = 167,
2439         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2440         WLAN_EID_BEAM_LINK_MAINT = 169,
2441         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2442         WLAN_EID_U_PID = 171,
2443         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2444         /* 173 reserved for Symbol */
2445         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2446         WLAN_EID_QUIET_PERIOD_REQ = 175,
2447         /* 176 reserved for Symbol */
2448         WLAN_EID_QUIET_PERIOD_RESP = 177,
2449         /* 178-179 reserved for Symbol */
2450         /* 180 reserved for ISO/IEC 20011 */
2451         WLAN_EID_EPAC_POLICY = 182,
2452         WLAN_EID_CLISTER_TIME_OFF = 183,
2453         WLAN_EID_INTER_AC_PRIO = 184,
2454         WLAN_EID_SCS_DESCRIPTOR = 185,
2455         WLAN_EID_QLOAD_REPORT = 186,
2456         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2457         WLAN_EID_HL_STREAM_ID = 188,
2458         WLAN_EID_GCR_GROUP_ADDR = 189,
2459         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2460         WLAN_EID_VHT_CAPABILITY = 191,
2461         WLAN_EID_VHT_OPERATION = 192,
2462         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2463         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2464         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2465         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2466         WLAN_EID_AID = 197,
2467         WLAN_EID_QUIET_CHANNEL = 198,
2468         WLAN_EID_OPMODE_NOTIF = 199,
2469
2470         WLAN_EID_VENDOR_SPECIFIC = 221,
2471         WLAN_EID_QOS_PARAMETER = 222,
2472         WLAN_EID_CAG_NUMBER = 237,
2473         WLAN_EID_AP_CSN = 239,
2474         WLAN_EID_FILS_INDICATION = 240,
2475         WLAN_EID_DILS = 241,
2476         WLAN_EID_FRAGMENT = 242,
2477         WLAN_EID_EXTENSION = 255
2478 };
2479
2480 /* Element ID Extensions for Element ID 255 */
2481 enum ieee80211_eid_ext {
2482         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2483         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2484         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2485         WLAN_EID_EXT_FILS_SESSION = 4,
2486         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2487         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2488         WLAN_EID_EXT_KEY_DELIVERY = 7,
2489         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2490         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2491         WLAN_EID_EXT_FILS_NONCE = 13,
2492         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2493         WLAN_EID_EXT_HE_CAPABILITY = 35,
2494         WLAN_EID_EXT_HE_OPERATION = 36,
2495         WLAN_EID_EXT_UORA = 37,
2496         WLAN_EID_EXT_HE_MU_EDCA = 38,
2497         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2498 };
2499
2500 /* Action category code */
2501 enum ieee80211_category {
2502         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2503         WLAN_CATEGORY_QOS = 1,
2504         WLAN_CATEGORY_DLS = 2,
2505         WLAN_CATEGORY_BACK = 3,
2506         WLAN_CATEGORY_PUBLIC = 4,
2507         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2508         WLAN_CATEGORY_HT = 7,
2509         WLAN_CATEGORY_SA_QUERY = 8,
2510         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2511         WLAN_CATEGORY_WNM = 10,
2512         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2513         WLAN_CATEGORY_TDLS = 12,
2514         WLAN_CATEGORY_MESH_ACTION = 13,
2515         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2516         WLAN_CATEGORY_SELF_PROTECTED = 15,
2517         WLAN_CATEGORY_DMG = 16,
2518         WLAN_CATEGORY_WMM = 17,
2519         WLAN_CATEGORY_FST = 18,
2520         WLAN_CATEGORY_UNPROT_DMG = 20,
2521         WLAN_CATEGORY_VHT = 21,
2522         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2523         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2524 };
2525
2526 /* SPECTRUM_MGMT action code */
2527 enum ieee80211_spectrum_mgmt_actioncode {
2528         WLAN_ACTION_SPCT_MSR_REQ = 0,
2529         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2530         WLAN_ACTION_SPCT_TPC_REQ = 2,
2531         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2532         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2533 };
2534
2535 /* HT action codes */
2536 enum ieee80211_ht_actioncode {
2537         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2538         WLAN_HT_ACTION_SMPS = 1,
2539         WLAN_HT_ACTION_PSMP = 2,
2540         WLAN_HT_ACTION_PCO_PHASE = 3,
2541         WLAN_HT_ACTION_CSI = 4,
2542         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2543         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2544         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2545 };
2546
2547 /* VHT action codes */
2548 enum ieee80211_vht_actioncode {
2549         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2550         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2551         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2552 };
2553
2554 /* Self Protected Action codes */
2555 enum ieee80211_self_protected_actioncode {
2556         WLAN_SP_RESERVED = 0,
2557         WLAN_SP_MESH_PEERING_OPEN = 1,
2558         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2559         WLAN_SP_MESH_PEERING_CLOSE = 3,
2560         WLAN_SP_MGK_INFORM = 4,
2561         WLAN_SP_MGK_ACK = 5,
2562 };
2563
2564 /* Mesh action codes */
2565 enum ieee80211_mesh_actioncode {
2566         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2567         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2568         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2569         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2570         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2571         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2572         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2573         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2574         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2575         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2576         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2577 };
2578
2579 /* Security key length */
2580 enum ieee80211_key_len {
2581         WLAN_KEY_LEN_WEP40 = 5,
2582         WLAN_KEY_LEN_WEP104 = 13,
2583         WLAN_KEY_LEN_CCMP = 16,
2584         WLAN_KEY_LEN_CCMP_256 = 32,
2585         WLAN_KEY_LEN_TKIP = 32,
2586         WLAN_KEY_LEN_AES_CMAC = 16,
2587         WLAN_KEY_LEN_SMS4 = 32,
2588         WLAN_KEY_LEN_GCMP = 16,
2589         WLAN_KEY_LEN_GCMP_256 = 32,
2590         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2591         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2592         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2593 };
2594
2595 #define IEEE80211_WEP_IV_LEN            4
2596 #define IEEE80211_WEP_ICV_LEN           4
2597 #define IEEE80211_CCMP_HDR_LEN          8
2598 #define IEEE80211_CCMP_MIC_LEN          8
2599 #define IEEE80211_CCMP_PN_LEN           6
2600 #define IEEE80211_CCMP_256_HDR_LEN      8
2601 #define IEEE80211_CCMP_256_MIC_LEN      16
2602 #define IEEE80211_CCMP_256_PN_LEN       6
2603 #define IEEE80211_TKIP_IV_LEN           8
2604 #define IEEE80211_TKIP_ICV_LEN          4
2605 #define IEEE80211_CMAC_PN_LEN           6
2606 #define IEEE80211_GMAC_PN_LEN           6
2607 #define IEEE80211_GCMP_HDR_LEN          8
2608 #define IEEE80211_GCMP_MIC_LEN          16
2609 #define IEEE80211_GCMP_PN_LEN           6
2610
2611 #define FILS_NONCE_LEN                  16
2612 #define FILS_MAX_KEK_LEN                64
2613
2614 #define FILS_ERP_MAX_USERNAME_LEN       16
2615 #define FILS_ERP_MAX_REALM_LEN          253
2616 #define FILS_ERP_MAX_RRK_LEN            64
2617
2618 #define PMK_MAX_LEN                     64
2619
2620 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2621 enum ieee80211_pub_actioncode {
2622         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2623         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2624         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2625         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2626         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2627         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2628         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2629         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2630         WLAN_PUB_ACTION_DSE_PC = 8,
2631         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2632         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2633         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2634         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2635         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2636         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2637         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2638         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2639         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2640         WLAN_PUB_ACTION_QMF_POLICY = 18,
2641         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2642         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2643         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2644         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2645         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2646         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2647         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2648         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2649         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2650         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2651         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2652         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2653         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2654         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2655         WLAN_PUB_ACTION_FTM = 33,
2656         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2657 };
2658
2659 /* TDLS action codes */
2660 enum ieee80211_tdls_actioncode {
2661         WLAN_TDLS_SETUP_REQUEST = 0,
2662         WLAN_TDLS_SETUP_RESPONSE = 1,
2663         WLAN_TDLS_SETUP_CONFIRM = 2,
2664         WLAN_TDLS_TEARDOWN = 3,
2665         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2666         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2667         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2668         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2669         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2670         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2671         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2672 };
2673
2674 /* Extended Channel Switching capability to be set in the 1st byte of
2675  * the @WLAN_EID_EXT_CAPABILITY information element
2676  */
2677 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2678
2679 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2680  * @WLAN_EID_EXT_CAPABILITY information element
2681  */
2682 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2683
2684 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2685 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2686 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2687 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2688
2689 /* Interworking capabilities are set in 7th bit of 4th byte of the
2690  * @WLAN_EID_EXT_CAPABILITY information element
2691  */
2692 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2693
2694 /*
2695  * TDLS capabililites to be enabled in the 5th byte of the
2696  * @WLAN_EID_EXT_CAPABILITY information element
2697  */
2698 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2699 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2700 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2701
2702 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2703 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2704
2705 /* Defines the maximal number of MSDUs in an A-MSDU. */
2706 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2707 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2708
2709 /*
2710  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2711  * information element
2712  */
2713 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2714
2715 /* Defines support for TWT Requester and TWT Responder */
2716 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2717 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2718
2719 /* Defines support for enhanced multi-bssid advertisement*/
2720 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2721
2722 /* TDLS specific payload type in the LLC/SNAP header */
2723 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2724
2725 /* BSS Coex IE information field bits */
2726 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2727
2728 /**
2729  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2730  *
2731  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2732  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2733  *      that will be specified in a vendor specific information element
2734  */
2735 enum ieee80211_mesh_sync_method {
2736         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2737         IEEE80211_SYNC_METHOD_VENDOR = 255,
2738 };
2739
2740 /**
2741  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2742  *
2743  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2744  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2745  *      be specified in a vendor specific information element
2746  */
2747 enum ieee80211_mesh_path_protocol {
2748         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2749         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2750 };
2751
2752 /**
2753  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2754  *
2755  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2756  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2757  *      specified in a vendor specific information element
2758  */
2759 enum ieee80211_mesh_path_metric {
2760         IEEE80211_PATH_METRIC_AIRTIME = 1,
2761         IEEE80211_PATH_METRIC_VENDOR = 255,
2762 };
2763
2764 /**
2765  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2766  *
2767  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2768  *
2769  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2770  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2771  *      this value
2772  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2773  *      the proactive PREQ with proactive PREP subfield set to 0
2774  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2775  *      supports the proactive PREQ with proactive PREP subfield set to 1
2776  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2777  *      the proactive RANN
2778  */
2779 enum ieee80211_root_mode_identifier {
2780         IEEE80211_ROOTMODE_NO_ROOT = 0,
2781         IEEE80211_ROOTMODE_ROOT = 1,
2782         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2783         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2784         IEEE80211_PROACTIVE_RANN = 4,
2785 };
2786
2787 /*
2788  * IEEE 802.11-2007 7.3.2.9 Country information element
2789  *
2790  * Minimum length is 8 octets, ie len must be evenly
2791  * divisible by 2
2792  */
2793
2794 /* Although the spec says 8 I'm seeing 6 in practice */
2795 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2796
2797 /* The Country String field of the element shall be 3 octets in length */
2798 #define IEEE80211_COUNTRY_STRING_LEN    3
2799
2800 /*
2801  * For regulatory extension stuff see IEEE 802.11-2007
2802  * Annex I (page 1141) and Annex J (page 1147). Also
2803  * review 7.3.2.9.
2804  *
2805  * When dot11RegulatoryClassesRequired is true and the
2806  * first_channel/reg_extension_id is >= 201 then the IE
2807  * compromises of the 'ext' struct represented below:
2808  *
2809  *  - Regulatory extension ID - when generating IE this just needs
2810  *    to be monotonically increasing for each triplet passed in
2811  *    the IE
2812  *  - Regulatory class - index into set of rules
2813  *  - Coverage class - index into air propagation time (Table 7-27),
2814  *    in microseconds, you can compute the air propagation time from
2815  *    the index by multiplying by 3, so index 10 yields a propagation
2816  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2817  *    yet. A value of 0 inicates air propagation of <= 1 us.
2818  *
2819  *  See also Table I.2 for Emission limit sets and table
2820  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2821  *  a reg_class to an emission limit set and behavior limit set.
2822  */
2823 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2824
2825 /*
2826  *  Channels numbers in the IE must be monotonically increasing
2827  *  if dot11RegulatoryClassesRequired is not true.
2828  *
2829  *  If dot11RegulatoryClassesRequired is true consecutive
2830  *  subband triplets following a regulatory triplet shall
2831  *  have monotonically increasing first_channel number fields.
2832  *
2833  *  Channel numbers shall not overlap.
2834  *
2835  *  Note that max_power is signed.
2836  */
2837 struct ieee80211_country_ie_triplet {
2838         union {
2839                 struct {
2840                         u8 first_channel;
2841                         u8 num_channels;
2842                         s8 max_power;
2843                 } __packed chans;
2844                 struct {
2845                         u8 reg_extension_id;
2846                         u8 reg_class;
2847                         u8 coverage_class;
2848                 } __packed ext;
2849         };
2850 } __packed;
2851
2852 enum ieee80211_timeout_interval_type {
2853         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2854         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2855         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2856 };
2857
2858 /**
2859  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2860  * @type: type, see &enum ieee80211_timeout_interval_type
2861  * @value: timeout interval value
2862  */
2863 struct ieee80211_timeout_interval_ie {
2864         u8 type;
2865         __le32 value;
2866 } __packed;
2867
2868 /**
2869  * enum ieee80211_idle_options - BSS idle options
2870  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2871  *      protected frame to the AP to reset the idle timer at the AP for
2872  *      the station.
2873  */
2874 enum ieee80211_idle_options {
2875         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2876 };
2877
2878 /**
2879  * struct ieee80211_bss_max_idle_period_ie
2880  *
2881  * This structure refers to "BSS Max idle period element"
2882  *
2883  * @max_idle_period: indicates the time period during which a station can
2884  *      refrain from transmitting frames to its associated AP without being
2885  *      disassociated. In units of 1000 TUs.
2886  * @idle_options: indicates the options associated with the BSS idle capability
2887  *      as specified in &enum ieee80211_idle_options.
2888  */
2889 struct ieee80211_bss_max_idle_period_ie {
2890         __le16 max_idle_period;
2891         u8 idle_options;
2892 } __packed;
2893
2894 /* BACK action code */
2895 enum ieee80211_back_actioncode {
2896         WLAN_ACTION_ADDBA_REQ = 0,
2897         WLAN_ACTION_ADDBA_RESP = 1,
2898         WLAN_ACTION_DELBA = 2,
2899 };
2900
2901 /* BACK (block-ack) parties */
2902 enum ieee80211_back_parties {
2903         WLAN_BACK_RECIPIENT = 0,
2904         WLAN_BACK_INITIATOR = 1,
2905 };
2906
2907 /* SA Query action */
2908 enum ieee80211_sa_query_action {
2909         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2910         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2911 };
2912
2913 /**
2914  * struct ieee80211_bssid_index
2915  *
2916  * This structure refers to "Multiple BSSID-index element"
2917  *
2918  * @bssid_index: BSSID index
2919  * @dtim_period: optional, overrides transmitted BSS dtim period
2920  * @dtim_count: optional, overrides transmitted BSS dtim count
2921  */
2922 struct ieee80211_bssid_index {
2923         u8 bssid_index;
2924         u8 dtim_period;
2925         u8 dtim_count;
2926 };
2927
2928 /**
2929  * struct ieee80211_multiple_bssid_configuration
2930  *
2931  * This structure refers to "Multiple BSSID Configuration element"
2932  *
2933  * @bssid_count: total number of active BSSIDs in the set
2934  * @profile_periodicity: the least number of beacon frames need to be received
2935  *      in order to discover all the nontransmitted BSSIDs in the set.
2936  */
2937 struct ieee80211_multiple_bssid_configuration {
2938         u8 bssid_count;
2939         u8 profile_periodicity;
2940 };
2941
2942 #define SUITE(oui, id) (((oui) << 8) | (id))
2943
2944 /* cipher suite selectors */
2945 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2946 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2947 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2948 /* reserved:                            SUITE(0x000FAC, 3) */
2949 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2950 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2951 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2952 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2953 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2954 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2955 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2956 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2957 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2958
2959 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2960
2961 /* AKM suite selectors */
2962 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2963 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2964 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2965 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2966 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2967 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2968 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2969 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2970 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2971 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2972 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2973 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2974 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2975 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2976 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2977
2978 #define WLAN_MAX_KEY_LEN                32
2979
2980 #define WLAN_PMK_NAME_LEN               16
2981 #define WLAN_PMKID_LEN                  16
2982 #define WLAN_PMK_LEN_EAP_LEAP           16
2983 #define WLAN_PMK_LEN                    32
2984 #define WLAN_PMK_LEN_SUITE_B_192        48
2985
2986 #define WLAN_OUI_WFA                    0x506f9a
2987 #define WLAN_OUI_TYPE_WFA_P2P           9
2988 #define WLAN_OUI_MICROSOFT              0x0050f2
2989 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2990 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2991 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2992 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
2993
2994 /*
2995  * WMM/802.11e Tspec Element
2996  */
2997 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2998 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2999
3000 enum ieee80211_tspec_status_code {
3001         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3002         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3003 };
3004
3005 struct ieee80211_tspec_ie {
3006         u8 element_id;
3007         u8 len;
3008         u8 oui[3];
3009         u8 oui_type;
3010         u8 oui_subtype;
3011         u8 version;
3012         __le16 tsinfo;
3013         u8 tsinfo_resvd;
3014         __le16 nominal_msdu;
3015         __le16 max_msdu;
3016         __le32 min_service_int;
3017         __le32 max_service_int;
3018         __le32 inactivity_int;
3019         __le32 suspension_int;
3020         __le32 service_start_time;
3021         __le32 min_data_rate;
3022         __le32 mean_data_rate;
3023         __le32 peak_data_rate;
3024         __le32 max_burst_size;
3025         __le32 delay_bound;
3026         __le32 min_phy_rate;
3027         __le16 sba;
3028         __le16 medium_time;
3029 } __packed;
3030
3031 /**
3032  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3033  * @hdr: the frame
3034  *
3035  * The qos ctrl bytes come after the frame_control, duration, seq_num
3036  * and 3 or 4 addresses of length ETH_ALEN.
3037  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3038  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3039  */
3040 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3041 {
3042         if (ieee80211_has_a4(hdr->frame_control))
3043                 return (u8 *)hdr + 30;
3044         else
3045                 return (u8 *)hdr + 24;
3046 }
3047
3048 /**
3049  * ieee80211_get_tid - get qos TID
3050  * @hdr: the frame
3051  */
3052 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3053 {
3054         u8 *qc = ieee80211_get_qos_ctl(hdr);
3055
3056         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3057 }
3058
3059 /**
3060  * ieee80211_get_SA - get pointer to SA
3061  * @hdr: the frame
3062  *
3063  * Given an 802.11 frame, this function returns the offset
3064  * to the source address (SA). It does not verify that the
3065  * header is long enough to contain the address, and the
3066  * header must be long enough to contain the frame control
3067  * field.
3068  */
3069 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3070 {
3071         if (ieee80211_has_a4(hdr->frame_control))
3072                 return hdr->addr4;
3073         if (ieee80211_has_fromds(hdr->frame_control))
3074                 return hdr->addr3;
3075         return hdr->addr2;
3076 }
3077
3078 /**
3079  * ieee80211_get_DA - get pointer to DA
3080  * @hdr: the frame
3081  *
3082  * Given an 802.11 frame, this function returns the offset
3083  * to the destination address (DA). It does not verify that
3084  * the header is long enough to contain the address, and the
3085  * header must be long enough to contain the frame control
3086  * field.
3087  */
3088 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3089 {
3090         if (ieee80211_has_tods(hdr->frame_control))
3091                 return hdr->addr3;
3092         else
3093                 return hdr->addr1;
3094 }
3095
3096 /**
3097  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3098  * @hdr: the frame (buffer must include at least the first octet of payload)
3099  */
3100 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3101 {
3102         if (ieee80211_is_disassoc(hdr->frame_control) ||
3103             ieee80211_is_deauth(hdr->frame_control))
3104                 return true;
3105
3106         if (ieee80211_is_action(hdr->frame_control)) {
3107                 u8 *category;
3108
3109                 /*
3110                  * Action frames, excluding Public Action frames, are Robust
3111                  * Management Frames. However, if we are looking at a Protected
3112                  * frame, skip the check since the data may be encrypted and
3113                  * the frame has already been found to be a Robust Management
3114                  * Frame (by the other end).
3115                  */
3116                 if (ieee80211_has_protected(hdr->frame_control))
3117                         return true;
3118                 category = ((u8 *) hdr) + 24;
3119                 return *category != WLAN_CATEGORY_PUBLIC &&
3120                         *category != WLAN_CATEGORY_HT &&
3121                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3122                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3123                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3124                         *category != WLAN_CATEGORY_VHT &&
3125                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3126         }
3127
3128         return false;
3129 }
3130
3131 /**
3132  * ieee80211_is_public_action - check if frame is a public action frame
3133  * @hdr: the frame
3134  * @len: length of the frame
3135  */
3136 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3137                                               size_t len)
3138 {
3139         struct ieee80211_mgmt *mgmt = (void *)hdr;
3140
3141         if (len < IEEE80211_MIN_ACTION_SIZE)
3142                 return false;
3143         if (!ieee80211_is_action(hdr->frame_control))
3144                 return false;
3145         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3146 }
3147
3148 static inline bool is_multicast_ether_addr(const u8 *a)
3149 {
3150         return 0x01 & a[0];
3151 }
3152
3153 /**
3154  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3155  * privacy action frame
3156  * @hdr: the frame
3157  */
3158 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3159 {
3160         struct ieee80211_mgmt *mgmt = (void *)hdr;
3161
3162         if (!ieee80211_is_action(hdr->frame_control) ||
3163             !is_multicast_ether_addr(hdr->addr1))
3164                 return false;
3165
3166         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3167                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3168 }
3169
3170 /**
3171  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3172  * @tu: the TUs
3173  */
3174 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3175 {
3176         return 1024 * tu;
3177 }
3178
3179 /**
3180  * ieee80211_check_tim - check if AID bit is set in TIM
3181  * @tim: the TIM IE
3182  * @tim_len: length of the TIM IE
3183  * @aid: the AID to look for
3184  */
3185 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3186                                        u8 tim_len, u16 aid)
3187 {
3188         u8 mask;
3189         u8 indexn0, indexn1, indexn2;
3190
3191         if (unlikely(!tim || tim_len < sizeof(*tim)))
3192                 return false;
3193
3194         aid &= 0x3fff;
3195         indexn0 = aid / 8;
3196         mask  = 1 << (aid & 7);
3197
3198         indexn1 = tim->bitmap_ctrl & 0xfe;
3199         indexn2 = tim_len + indexn1 - 4;
3200
3201         if (indexn0 < indexn1 || indexn0 > indexn2)
3202                 return false;
3203
3204         indexn0 -= indexn1;
3205
3206         return !!(tim->virtual_map[indexn0] & mask);
3207 }
3208
3209 /* convert time units */
3210 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3211 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3212
3213 struct element {
3214         u8 id;
3215         u8 datalen;
3216         u8 data[];
3217 };
3218
3219 /* element iteration helpers */
3220 #define for_each_element(element, _data, _datalen)                      \
3221         for (element = (void *)(_data);                                 \
3222              (u8 *)(_data) + (_datalen) - (u8 *)element >=              \
3223                 sizeof(*element) &&                                     \
3224              (u8 *)(_data) + (_datalen) - (u8 *)element >=              \
3225                 sizeof(*element) + element->datalen;                    \
3226              element = (void *)(element->data + element->datalen))
3227
3228 #define for_each_element_id(element, _id, data, datalen)                \
3229         for_each_element(element, data, datalen)                        \
3230                 if (element->id == (_id))
3231
3232 #define for_each_element_extid(element, extid, _data, _datalen)         \
3233         for_each_element(element, _data, _datalen)                      \
3234                 if (element->id == WLAN_EID_EXTENSION &&                \
3235                     element->datalen > 0 &&                             \
3236                     element->data[0] == (extid))
3237
3238 #define for_each_subelement(sub, element)                               \
3239         for_each_element(sub, (element)->data, (element)->datalen)
3240
3241 #define for_each_subelement_id(sub, id, element)                        \
3242         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3243
3244 #define for_each_subelement_extid(sub, extid, element)                  \
3245         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3246
3247 /**
3248  * for_each_element_completed - determine if element parsing consumed all data
3249  * @element: element pointer after for_each_element() or friends
3250  * @data: same data pointer as passed to for_each_element() or friends
3251  * @datalen: same data length as passed to for_each_element() or friends
3252  *
3253  * This function returns %true if all the data was parsed or considered
3254  * while walking the elements. Only use this if your for_each_element()
3255  * loop cannot be broken out of, otherwise it always returns %false.
3256  *
3257  * If some data was malformed, this returns %false since the last parsed
3258  * element will not fill the whole remaining data.
3259  */
3260 static inline bool for_each_element_completed(const struct element *element,
3261                                               const void *data, size_t datalen)
3262 {
3263         return (u8 *)element == (u8 *)data + datalen;
3264 }
3265
3266 #endif /* __LINUX_IEEE80211_H */