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        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 /**
 818  * mesh channel switch parameters element's flag indicator
 819  *
 820  */
 821 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 822 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 823 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 824
 825 /**
 826  * struct ieee80211_rann_ie
 827  *
 828  * This structure refers to "Root Announcement information element"
 829  */
 830 struct ieee80211_rann_ie {
 831         u8 rann_flags;
 832         u8 rann_hopcount;
 833         u8 rann_ttl;
 834         u8 rann_addr[6];
 835         __le32 rann_seq;
 836         __le32 rann_interval;
 837         __le32 rann_metric;
 838 } __packed;
 839
 840 enum ieee80211_rann_flags {
 841         RANN_FLAG_IS_GATE = 1 << 0,
 842 };
 843
 844 enum ieee80211_ht_chanwidth_values {
 845         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 846         IEEE80211_HT_CHANWIDTH_ANY = 1,
 847 };
 848
 849 /**
 850  * enum ieee80211_opmode_bits - VHT operating mode field bits
 851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 853  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 854  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 855  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 856  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 857  *      (the NSS value is the value of this field + 1)
 858  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 859  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 860  *      using a beamforming steering matrix
 861  */
 862 enum ieee80211_vht_opmode_bits {
 863         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 864         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 865         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 866         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 867         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 868         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 869         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 870         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 871 };
 872
 873 #define WLAN_SA_QUERY_TR_ID_LEN 2
 874 #define WLAN_MEMBERSHIP_LEN 8
 875 #define WLAN_USER_POSITION_LEN 16
 876
 877 /**
 878  * struct ieee80211_tpc_report_ie
 879  *
 880  * This structure refers to "TPC Report element"
 881  */
 882 struct ieee80211_tpc_report_ie {
 883         u8 tx_power;
 884         u8 link_margin;
 885 } __packed;
 886
 887 struct ieee80211_mgmt {
 888         __le16 frame_control;
 889         __le16 duration;
 890         u8 da[6];
 891         u8 sa[6];
 892         u8 bssid[6];
 893         __le16 seq_ctrl;
 894         union {
 895                 struct {
 896                         __le16 auth_alg;
 897                         __le16 auth_transaction;
 898                         __le16 status_code;
 899                         /* possibly followed by Challenge text */
 900                         u8 variable[0];
 901                 } __packed __aligned(4) auth;
 902                 struct {
 903                         __le16 reason_code;
 904                 } __packed __aligned(4) deauth;
 905                 struct {
 906                         __le16 capab_info;
 907                         __le16 listen_interval;
 908                         /* followed by SSID and Supported rates */
 909                         u8 variable[0];
 910                 } __packed __aligned(4) assoc_req;
 911                 struct {
 912                         __le16 capab_info;
 913                         __le16 status_code;
 914                         __le16 aid;
 915                         /* followed by Supported rates */
 916                         u8 variable[0];
 917                 } __packed __aligned(4) assoc_resp, reassoc_resp;
 918                 struct {
 919                         __le16 capab_info;
 920                         __le16 listen_interval;
 921                         u8 current_ap[6];
 922                         /* followed by SSID and Supported rates */
 923                         u8 variable[0];
 924                 } __packed __aligned(4) reassoc_req;
 925                 struct {
 926                         __le16 reason_code;
 927                 } __packed __aligned(4) disassoc;
 928                 struct {
 929                         __le64 timestamp;
 930                         __le16 beacon_int;
 931                         __le16 capab_info;
 932                         /* followed by some of SSID, Supported rates,
 933                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 934                         u8 variable[0];
 935                 } __packed __aligned(4) beacon;
 936                 struct {
 937                         /* only variable items: SSID, Supported rates */
 938                         u8 variable[0];
 939                 } __packed __aligned(4) probe_req;
 940                 struct {
 941                         __le64 timestamp;
 942                         __le16 beacon_int;
 943                         __le16 capab_info;
 944                         /* followed by some of SSID, Supported rates,
 945                          * FH Params, DS Params, CF Params, IBSS Params */
 946                         u8 variable[0];
 947                 } __packed __aligned(4) probe_resp;
 948                 struct {
 949                         u8 category;
 950                         union {
 951                                 struct {
 952                                         u8 action_code;
 953                                         u8 dialog_token;
 954                                         u8 status_code;
 955                                         u8 variable[0];
 956                                 } __packed wme_action;
 957                                 struct{
 958                                         u8 action_code;
 959                                         u8 variable[0];
 960                                 } __packed chan_switch;
 961                                 struct{
 962                                         u8 action_code;
 963                                         struct ieee80211_ext_chansw_ie data;
 964                                         u8 variable[0];
 965                                 } __packed ext_chan_switch;
 966                                 struct{
 967                                         u8 action_code;
 968                                         u8 dialog_token;
 969                                         u8 element_id;
 970                                         u8 length;
 971                                         struct ieee80211_msrment_ie msr_elem;
 972                                 } __packed measurement;
 973                                 struct{
 974                                         u8 action_code;
 975                                         u8 dialog_token;
 976                                         __le16 capab;
 977                                         __le16 timeout;
 978                                         __le16 start_seq_num;
 979                                 } __packed addba_req;
 980                                 struct{
 981                                         u8 action_code;
 982                                         u8 dialog_token;
 983                                         __le16 status;
 984                                         __le16 capab;
 985                                         __le16 timeout;
 986                                 } __packed addba_resp;
 987                                 struct{
 988                                         u8 action_code;
 989                                         __le16 params;
 990                                         __le16 reason_code;
 991                                 } __packed delba;
 992                                 struct {
 993                                         u8 action_code;
 994                                         u8 variable[0];
 995                                 } __packed self_prot;
 996                                 struct{
 997                                         u8 action_code;
 998                                         u8 variable[0];
 999                                 } __packed mesh_action;
1000                                 struct {
1001                                         u8 action;
1002                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1003                                 } __packed sa_query;
1004                                 struct {
1005                                         u8 action;
1006                                         u8 smps_control;
1007                                 } __packed ht_smps;
1008                                 struct {
1009                                         u8 action_code;
1010                                         u8 chanwidth;
1011                                 } __packed ht_notify_cw;
1012                                 struct {
1013                                         u8 action_code;
1014                                         u8 dialog_token;
1015                                         __le16 capability;
1016                                         u8 variable[0];
1017                                 } __packed tdls_discover_resp;
1018                                 struct {
1019                                         u8 action_code;
1020                                         u8 operating_mode;
1021                                 } __packed vht_opmode_notif;
1022                                 struct {
1023                                         u8 action_code;
1024                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1025                                         u8 position[WLAN_USER_POSITION_LEN];
1026                                 } __packed vht_group_notif;
1027                                 struct {
1028                                         u8 action_code;
1029                                         u8 dialog_token;
1030                                         u8 tpc_elem_id;
1031                                         u8 tpc_elem_length;
1032                                         struct ieee80211_tpc_report_ie tpc;
1033                                 } __packed tpc_report;
1034                                 struct {
1035                                         u8 action_code;
1036                                         u8 dialog_token;
1037                                         u8 follow_up;
1038                                         u8 tod[6];
1039                                         u8 toa[6];
1040                                         __le16 tod_error;
1041                                         __le16 toa_error;
1042                                         u8 variable[0];
1043                                 } __packed ftm;
1044                         } u;
1045                 } __packed __aligned(4) action;
1046         } u __aligned(2);
1047 } __packed __aligned(2);
1048
1049 /* Supported rates membership selectors */
1050 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1051 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1052
1053 /* mgmt header + 1 byte category code */
1054 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1055
1056
1057 /* Management MIC information element (IEEE 802.11w) */
1058 struct ieee80211_mmie {
1059         u8 element_id;
1060         u8 length;
1061         __le16 key_id;
1062         u8 sequence_number[6];
1063         u8 mic[8];
1064 } __packed;
1065
1066 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1067 struct ieee80211_mmie_16 {
1068         u8 element_id;
1069         u8 length;
1070         __le16 key_id;
1071         u8 sequence_number[6];
1072         u8 mic[16];
1073 } __packed;
1074
1075 struct ieee80211_vendor_ie {
1076         u8 element_id;
1077         u8 len;
1078         u8 oui[3];
1079         u8 oui_type;
1080 } __packed;
1081
1082 struct ieee80211_wmm_ac_param {
1083         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1084         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1085         __le16 txop_limit;
1086 } __packed;
1087
1088 struct ieee80211_wmm_param_ie {
1089         u8 element_id; /* Element ID: 221 (0xdd); */
1090         u8 len; /* Length: 24 */
1091         /* required fields for WMM version 1 */
1092         u8 oui[3]; /* 00:50:f2 */
1093         u8 oui_type; /* 2 */
1094         u8 oui_subtype; /* 1 */
1095         u8 version; /* 1 for WMM version 1.0 */
1096         u8 qos_info; /* AP/STA specific QoS info */
1097         u8 reserved; /* 0 */
1098         /* AC_BE, AC_BK, AC_VI, AC_VO */
1099         struct ieee80211_wmm_ac_param ac[4];
1100 } __packed;
1101
1102 /* Control frames */
1103 struct ieee80211_rts {
1104         __le16 frame_control;
1105         __le16 duration;
1106         u8 ra[6];
1107         u8 ta[6];
1108 } __packed __aligned(2);
1109
1110 struct ieee80211_cts {
1111         __le16 frame_control;
1112         __le16 duration;
1113         u8 ra[6];
1114 } __packed __aligned(2);
1115
1116 struct ieee80211_pspoll {
1117         __le16 frame_control;
1118         __le16 aid;
1119         u8 bssid[6];
1120         u8 ta[6];
1121 } __packed __aligned(2);
1122
1123 /* TDLS */
1124
1125 /* Channel switch timing */
1126 struct ieee80211_ch_switch_timing {
1127         __le16 switch_time;
1128         __le16 switch_timeout;
1129 } __packed;
1130
1131 /* Link-id information element */
1132 struct ieee80211_tdls_lnkie {
1133         u8 ie_type; /* Link Identifier IE */
1134         u8 ie_len;
1135         u8 bssid[6];
1136         u8 init_sta[6];
1137         u8 resp_sta[6];
1138 } __packed;
1139
1140 struct ieee80211_tdls_data {
1141         u8 da[6];
1142         u8 sa[6];
1143         __be16 ether_type;
1144         u8 payload_type;
1145         u8 category;
1146         u8 action_code;
1147         union {
1148                 struct {
1149                         u8 dialog_token;
1150                         __le16 capability;
1151                         u8 variable[0];
1152                 } __packed setup_req;
1153                 struct {
1154                         __le16 status_code;
1155                         u8 dialog_token;
1156                         __le16 capability;
1157                         u8 variable[0];
1158                 } __packed setup_resp;
1159                 struct {
1160                         __le16 status_code;
1161                         u8 dialog_token;
1162                         u8 variable[0];
1163                 } __packed setup_cfm;
1164                 struct {
1165                         __le16 reason_code;
1166                         u8 variable[0];
1167                 } __packed teardown;
1168                 struct {
1169                         u8 dialog_token;
1170                         u8 variable[0];
1171                 } __packed discover_req;
1172                 struct {
1173                         u8 target_channel;
1174                         u8 oper_class;
1175                         u8 variable[0];
1176                 } __packed chan_switch_req;
1177                 struct {
1178                         __le16 status_code;
1179                         u8 variable[0];
1180                 } __packed chan_switch_resp;
1181         } u;
1182 } __packed;
1183
1184 /*
1185  * Peer-to-Peer IE attribute related definitions.
1186  */
1187 /**
1188  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1189  */
1190 enum ieee80211_p2p_attr_id {
1191         IEEE80211_P2P_ATTR_STATUS = 0,
1192         IEEE80211_P2P_ATTR_MINOR_REASON,
1193         IEEE80211_P2P_ATTR_CAPABILITY,
1194         IEEE80211_P2P_ATTR_DEVICE_ID,
1195         IEEE80211_P2P_ATTR_GO_INTENT,
1196         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1197         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1198         IEEE80211_P2P_ATTR_GROUP_BSSID,
1199         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1200         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1201         IEEE80211_P2P_ATTR_MANAGABILITY,
1202         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1203         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1204         IEEE80211_P2P_ATTR_DEVICE_INFO,
1205         IEEE80211_P2P_ATTR_GROUP_INFO,
1206         IEEE80211_P2P_ATTR_GROUP_ID,
1207         IEEE80211_P2P_ATTR_INTERFACE,
1208         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1209         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1210         /* 19 - 220: Reserved */
1211         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1212
1213         IEEE80211_P2P_ATTR_MAX
1214 };
1215
1216 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1217 /* Typical max value used here */
1218 #define IEEE80211_P2P_NOA_DESC_MAX      4
1219
1220 struct ieee80211_p2p_noa_desc {
1221         u8 count;
1222         __le32 duration;
1223         __le32 interval;
1224         __le32 start_time;
1225 } __packed;
1226
1227 struct ieee80211_p2p_noa_attr {
1228         u8 index;
1229         u8 oppps_ctwindow;
1230         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1231 } __packed;
1232
1233 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1234 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1235
1236 /**
1237  * struct ieee80211_bar - HT Block Ack Request
1238  *
1239  * This structure refers to "HT BlockAckReq" as
1240  * described in 802.11n draft section 7.2.1.7.1
1241  */
1242 struct ieee80211_bar {
1243         __le16 frame_control;
1244         __le16 duration;
1245         __u8 ra[6];
1246         __u8 ta[6];
1247         __le16 control;
1248         __le16 start_seq_num;
1249 } __packed __aligned(2);
1250
1251 /* 802.11 BA(R) control masks */
1252 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1253 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1254 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1255 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1256 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1257
1258 /**
1259  * struct ieee80211_ba - HT Block Ack
1260  *
1261  * This structure refers to "HT BlockAck" as
1262  * described in 802.11n draft section 7.2.1.8.1
1263  */
1264 struct ieee80211_ba {
1265         __le16 frame_control;
1266         __le16 duration;
1267         u8 ra[6];
1268         u8 ta[6];
1269         __le16 control;
1270
1271         __le16 start_seq_num;
1272         u8 bitmap[8];
1273 } __packed;
1274
1275 #define IEEE80211_HT_MCS_MASK_LEN               10
1276
1277 /**
1278  * struct ieee80211_mcs_info - MCS information
1279  * @rx_mask: RX mask
1280  * @rx_highest: highest supported RX rate. If set represents
1281  *      the highest supported RX data rate in units of 1 Mbps.
1282  *      If this field is 0 this value should not be used to
1283  *      consider the highest RX data rate supported.
1284  * @tx_params: TX parameters
1285  */
1286 struct ieee80211_mcs_info {
1287         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1288         __le16 rx_highest;
1289         u8 tx_params;
1290         u8 reserved[3];
1291 } __packed;
1292
1293 /* 802.11n HT capability MSC set */
1294 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1295 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1296 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1297 /* value 0 == 1 stream etc */
1298 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1299 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1300 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1301 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1302
1303 /*
1304  * 802.11n D5.0 20.3.5 / 20.6 says:
1305  * - indices 0 to 7 and 32 are single spatial stream
1306  * - 8 to 31 are multiple spatial streams using equal modulation
1307  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1308  * - remainder are multiple spatial streams using unequal modulation
1309  */
1310 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1311 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1312         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1313
1314 /**
1315  * struct ieee80211_ht_cap - HT capabilities
1316  *
1317  * This structure is the "HT capabilities element" as
1318  * described in 802.11n D5.0 7.3.2.57
1319  */
1320 struct ieee80211_ht_cap {
1321         __le16 cap_info;
1322         u8 ampdu_params_info;
1323
1324         /* 16 bytes MCS information */
1325         struct ieee80211_mcs_info mcs;
1326
1327         __le16 extended_ht_cap_info;
1328         __le32 tx_BF_cap_info;
1329         u8 antenna_selection_info;
1330 } __packed;
1331
1332 /* 802.11n HT capabilities masks (for cap_info) */
1333 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1334 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1335 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1336 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1337 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1338 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1339 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1340 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1341 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1342 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1343 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1344 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1345 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1346 #define IEEE80211_HT_CAP_RESERVED               0x2000
1347 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1348 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1349
1350 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1351 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1352 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1353 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1354 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1355 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1356 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1357 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1358
1359 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1360 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1361 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1362 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1363
1364 /*
1365  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1366  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1367  */
1368 enum ieee80211_max_ampdu_length_exp {
1369         IEEE80211_HT_MAX_AMPDU_8K = 0,
1370         IEEE80211_HT_MAX_AMPDU_16K = 1,
1371         IEEE80211_HT_MAX_AMPDU_32K = 2,
1372         IEEE80211_HT_MAX_AMPDU_64K = 3
1373 };
1374
1375 /*
1376  * Maximum length of AMPDU that the STA can receive in VHT.
1377  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1378  */
1379 enum ieee80211_vht_max_ampdu_length_exp {
1380         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1381         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1382         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1383         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1384         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1385         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1386         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1387         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1388 };
1389
1390 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1391
1392 /* Minimum MPDU start spacing */
1393 enum ieee80211_min_mpdu_spacing {
1394         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1395         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1396         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1397         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1398         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1399         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1400         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1401         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1402 };
1403
1404 /**
1405  * struct ieee80211_ht_operation - HT operation IE
1406  *
1407  * This structure is the "HT operation element" as
1408  * described in 802.11n-2009 7.3.2.57
1409  */
1410 struct ieee80211_ht_operation {
1411         u8 primary_chan;
1412         u8 ht_param;
1413         __le16 operation_mode;
1414         __le16 stbc_param;
1415         u8 basic_set[16];
1416 } __packed;
1417
1418 /* for ht_param */
1419 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1420 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1421 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1422 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1423 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1424 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1425
1426 /* for operation_mode */
1427 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1428 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1429 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1430 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1431 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1432 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1433 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1434 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1435 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1436
1437 /* for stbc_param */
1438 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1439 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1440 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1441 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1442 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1443 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1444
1445
1446 /* block-ack parameters */
1447 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1448 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1449 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1450 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1451 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1452 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1453
1454 /*
1455  * A-PMDU buffer sizes
1456  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1457  */
1458 #define IEEE80211_MIN_AMPDU_BUF 0x8
1459 #define IEEE80211_MAX_AMPDU_BUF 0x40
1460
1461
1462 /* Spatial Multiplexing Power Save Modes (for capability) */
1463 #define WLAN_HT_CAP_SM_PS_STATIC        0
1464 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1465 #define WLAN_HT_CAP_SM_PS_INVALID       2
1466 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1467
1468 /* for SM power control field lower two bits */
1469 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1470 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1471 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1472
1473 /**
1474  * struct ieee80211_vht_mcs_info - VHT MCS information
1475  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1476  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1477  *      STA can receive. Rate expressed in units of 1 Mbps.
1478  *      If this field is 0 this value should not be used to
1479  *      consider the highest RX data rate supported.
1480  *      The top 3 bits of this field are reserved.
1481  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1482  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1483  *      STA can transmit. Rate expressed in units of 1 Mbps.
1484  *      If this field is 0 this value should not be used to
1485  *      consider the highest TX data rate supported.
1486  *      The top 3 bits of this field are reserved.
1487  */
1488 struct ieee80211_vht_mcs_info {
1489         __le16 rx_mcs_map;
1490         __le16 rx_highest;
1491         __le16 tx_mcs_map;
1492         __le16 tx_highest;
1493 } __packed;
1494
1495 /**
1496  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1497  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1498  *      number of streams
1499  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1500  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1501  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1502  *
1503  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1504  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1505  * both split into 8 subfields by number of streams. These values indicate
1506  * which MCSes are supported for the number of streams the value appears
1507  * for.
1508  */
1509 enum ieee80211_vht_mcs_support {
1510         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1511         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1512         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1513         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1514 };
1515
1516 /**
1517  * struct ieee80211_vht_cap - VHT capabilities
1518  *
1519  * This structure is the "VHT capabilities element" as
1520  * described in 802.11ac D3.0 8.4.2.160
1521  * @vht_cap_info: VHT capability info
1522  * @supp_mcs: VHT MCS supported rates
1523  */
1524 struct ieee80211_vht_cap {
1525         __le32 vht_cap_info;
1526         struct ieee80211_vht_mcs_info supp_mcs;
1527 } __packed;
1528
1529 /**
1530  * enum ieee80211_vht_chanwidth - VHT channel width
1531  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1532  *      determine the channel width (20 or 40 MHz)
1533  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1534  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1535  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1536  */
1537 enum ieee80211_vht_chanwidth {
1538         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1539         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1540         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1541         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1542 };
1543
1544 /**
1545  * struct ieee80211_vht_operation - VHT operation IE
1546  *
1547  * This structure is the "VHT operation element" as
1548  * described in 802.11ac D3.0 8.4.2.161
1549  * @chan_width: Operating channel width
1550  * @center_freq_seg0_idx: center freq segment 0 index
1551  * @center_freq_seg1_idx: center freq segment 1 index
1552  * @basic_mcs_set: VHT Basic MCS rate set
1553  */
1554 struct ieee80211_vht_operation {
1555         u8 chan_width;
1556         u8 center_freq_seg0_idx;
1557         u8 center_freq_seg1_idx;
1558         __le16 basic_mcs_set;
1559 } __packed;
1560
1561
1562 /* 802.11ac VHT Capabilities */
1563 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1564 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1565 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1566 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1567 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1568 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1569 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1570 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1571 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1572 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1573 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1574 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1575 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1576 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1577 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1578 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1579 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1580 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1581 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1582                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1583 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1584 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1585                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1586 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1587 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1588 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1589 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1590 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1591 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1592                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1593 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1594 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1595 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1596 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1597
1598 /* Authentication algorithms */
1599 #define WLAN_AUTH_OPEN 0
1600 #define WLAN_AUTH_SHARED_KEY 1
1601 #define WLAN_AUTH_FT 2
1602 #define WLAN_AUTH_SAE 3
1603 #define WLAN_AUTH_FILS_SK 4
1604 #define WLAN_AUTH_FILS_SK_PFS 5
1605 #define WLAN_AUTH_FILS_PK 6
1606 #define WLAN_AUTH_LEAP 128
1607
1608 #define WLAN_AUTH_CHALLENGE_LEN 128
1609
1610 #define WLAN_CAPABILITY_ESS             (1<<0)
1611 #define WLAN_CAPABILITY_IBSS            (1<<1)
1612
1613 /*
1614  * A mesh STA sets the ESS and IBSS capability bits to zero.
1615  * however, this holds true for p2p probe responses (in the p2p_find
1616  * phase) as well.
1617  */
1618 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1619         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1620
1621 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1622 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1623 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1624 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1625 #define WLAN_CAPABILITY_PBCC            (1<<6)
1626 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1627
1628 /* 802.11h */
1629 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1630 #define WLAN_CAPABILITY_QOS             (1<<9)
1631 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1632 #define WLAN_CAPABILITY_APSD            (1<<11)
1633 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1634 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1635 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1636 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1637
1638 /* DMG (60gHz) 802.11ad */
1639 /* type - bits 0..1 */
1640 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1641 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1642 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1643 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1644
1645 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1646 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1647 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1648 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1649
1650 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1651 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1652
1653 /* measurement */
1654 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1655 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1656 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1657
1658 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1659 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1660 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1661
1662 /* 802.11g ERP information element */
1663 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1664 #define WLAN_ERP_USE_PROTECTION (1<<1)
1665 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1666
1667 /* WLAN_ERP_BARKER_PREAMBLE values */
1668 enum {
1669         WLAN_ERP_PREAMBLE_SHORT = 0,
1670         WLAN_ERP_PREAMBLE_LONG = 1,
1671 };
1672
1673 /* Band ID, 802.11ad #8.4.1.45 */
1674 enum {
1675         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1676         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1677         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1678         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1679         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1680         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1681 };
1682
1683 /* Status codes */
1684 enum ieee80211_statuscode {
1685         WLAN_STATUS_SUCCESS = 0,
1686         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1687         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1688         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1689         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1690         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1691         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1692         WLAN_STATUS_CHALLENGE_FAIL = 15,
1693         WLAN_STATUS_AUTH_TIMEOUT = 16,
1694         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1695         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1696         /* 802.11b */
1697         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1698         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1699         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1700         /* 802.11h */
1701         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1702         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1703         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1704         /* 802.11g */
1705         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1706         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1707         /* 802.11w */
1708         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1709         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1710         /* 802.11i */
1711         WLAN_STATUS_INVALID_IE = 40,
1712         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1713         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1714         WLAN_STATUS_INVALID_AKMP = 43,
1715         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1716         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1717         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1718         /* 802.11e */
1719         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1720         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1721         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1722         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1723         WLAN_STATUS_REQUEST_DECLINED = 37,
1724         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1725         WLAN_STATUS_CHANGE_TSPEC = 39,
1726         WLAN_STATUS_WAIT_TS_DELAY = 47,
1727         WLAN_STATUS_NO_DIRECT_LINK = 48,
1728         WLAN_STATUS_STA_NOT_PRESENT = 49,
1729         WLAN_STATUS_STA_NOT_QSTA = 50,
1730         /* 802.11s */
1731         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1732         WLAN_STATUS_FCG_NOT_SUPP = 78,
1733         WLAN_STATUS_STA_NO_TBTT = 78,
1734         /* 802.11ad */
1735         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1736         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1737         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1738         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1739         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1740         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1741         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1742         WLAN_STATUS_REJECT_DSE_BAND = 96,
1743         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1744         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1745         /* 802.11ai */
1746         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
1747         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
1748 };
1749
1750
1751 /* Reason codes */
1752 enum ieee80211_reasoncode {
1753         WLAN_REASON_UNSPECIFIED = 1,
1754         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1755         WLAN_REASON_DEAUTH_LEAVING = 3,
1756         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1757         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1758         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1759         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1760         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1761         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1762         /* 802.11h */
1763         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1764         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1765         /* 802.11i */
1766         WLAN_REASON_INVALID_IE = 13,
1767         WLAN_REASON_MIC_FAILURE = 14,
1768         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1769         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1770         WLAN_REASON_IE_DIFFERENT = 17,
1771         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1772         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1773         WLAN_REASON_INVALID_AKMP = 20,
1774         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1775         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1776         WLAN_REASON_IEEE8021X_FAILED = 23,
1777         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1778         /* TDLS (802.11z) */
1779         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1780         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1781         /* 802.11e */
1782         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1783         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1784         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1785         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1786         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1787         WLAN_REASON_QSTA_NOT_USE = 37,
1788         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1789         WLAN_REASON_QSTA_TIMEOUT = 39,
1790         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1791         /* 802.11s */
1792         WLAN_REASON_MESH_PEER_CANCELED = 52,
1793         WLAN_REASON_MESH_MAX_PEERS = 53,
1794         WLAN_REASON_MESH_CONFIG = 54,
1795         WLAN_REASON_MESH_CLOSE = 55,
1796         WLAN_REASON_MESH_MAX_RETRIES = 56,
1797         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1798         WLAN_REASON_MESH_INVALID_GTK = 58,
1799         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1800         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1801         WLAN_REASON_MESH_PATH_ERROR = 61,
1802         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1803         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1804         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1805         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1806         WLAN_REASON_MESH_CHAN = 66,
1807 };
1808
1809
1810 /* Information Element IDs */
1811 enum ieee80211_eid {
1812         WLAN_EID_SSID = 0,
1813         WLAN_EID_SUPP_RATES = 1,
1814         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1815         WLAN_EID_DS_PARAMS = 3,
1816         WLAN_EID_CF_PARAMS = 4,
1817         WLAN_EID_TIM = 5,
1818         WLAN_EID_IBSS_PARAMS = 6,
1819         WLAN_EID_COUNTRY = 7,
1820         /* 8, 9 reserved */
1821         WLAN_EID_REQUEST = 10,
1822         WLAN_EID_QBSS_LOAD = 11,
1823         WLAN_EID_EDCA_PARAM_SET = 12,
1824         WLAN_EID_TSPEC = 13,
1825         WLAN_EID_TCLAS = 14,
1826         WLAN_EID_SCHEDULE = 15,
1827         WLAN_EID_CHALLENGE = 16,
1828         /* 17-31 reserved for challenge text extension */
1829         WLAN_EID_PWR_CONSTRAINT = 32,
1830         WLAN_EID_PWR_CAPABILITY = 33,
1831         WLAN_EID_TPC_REQUEST = 34,
1832         WLAN_EID_TPC_REPORT = 35,
1833         WLAN_EID_SUPPORTED_CHANNELS = 36,
1834         WLAN_EID_CHANNEL_SWITCH = 37,
1835         WLAN_EID_MEASURE_REQUEST = 38,
1836         WLAN_EID_MEASURE_REPORT = 39,
1837         WLAN_EID_QUIET = 40,
1838         WLAN_EID_IBSS_DFS = 41,
1839         WLAN_EID_ERP_INFO = 42,
1840         WLAN_EID_TS_DELAY = 43,
1841         WLAN_EID_TCLAS_PROCESSING = 44,
1842         WLAN_EID_HT_CAPABILITY = 45,
1843         WLAN_EID_QOS_CAPA = 46,
1844         /* 47 reserved for Broadcom */
1845         WLAN_EID_RSN = 48,
1846         WLAN_EID_802_15_COEX = 49,
1847         WLAN_EID_EXT_SUPP_RATES = 50,
1848         WLAN_EID_AP_CHAN_REPORT = 51,
1849         WLAN_EID_NEIGHBOR_REPORT = 52,
1850         WLAN_EID_RCPI = 53,
1851         WLAN_EID_MOBILITY_DOMAIN = 54,
1852         WLAN_EID_FAST_BSS_TRANSITION = 55,
1853         WLAN_EID_TIMEOUT_INTERVAL = 56,
1854         WLAN_EID_RIC_DATA = 57,
1855         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1856         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1857         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1858         WLAN_EID_HT_OPERATION = 61,
1859         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1860         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1861         WLAN_EID_ANTENNA_INFO = 64,
1862         WLAN_EID_RSNI = 65,
1863         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1864         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1865         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1866         WLAN_EID_TIME_ADVERTISEMENT = 69,
1867         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1868         WLAN_EID_MULTIPLE_BSSID = 71,
1869         WLAN_EID_BSS_COEX_2040 = 72,
1870         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1871         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1872         WLAN_EID_RIC_DESCRIPTOR = 75,
1873         WLAN_EID_MMIE = 76,
1874         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1875         WLAN_EID_EVENT_REQUEST = 78,
1876         WLAN_EID_EVENT_REPORT = 79,
1877         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1878         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1879         WLAN_EID_LOCATION_PARAMS = 82,
1880         WLAN_EID_NON_TX_BSSID_CAP =  83,
1881         WLAN_EID_SSID_LIST = 84,
1882         WLAN_EID_MULTI_BSSID_IDX = 85,
1883         WLAN_EID_FMS_DESCRIPTOR = 86,
1884         WLAN_EID_FMS_REQUEST = 87,
1885         WLAN_EID_FMS_RESPONSE = 88,
1886         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1887         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1888         WLAN_EID_TSF_REQUEST = 91,
1889         WLAN_EID_TSF_RESPOSNE = 92,
1890         WLAN_EID_WNM_SLEEP_MODE = 93,
1891         WLAN_EID_TIM_BCAST_REQ = 94,
1892         WLAN_EID_TIM_BCAST_RESP = 95,
1893         WLAN_EID_COLL_IF_REPORT = 96,
1894         WLAN_EID_CHANNEL_USAGE = 97,
1895         WLAN_EID_TIME_ZONE = 98,
1896         WLAN_EID_DMS_REQUEST = 99,
1897         WLAN_EID_DMS_RESPONSE = 100,
1898         WLAN_EID_LINK_ID = 101,
1899         WLAN_EID_WAKEUP_SCHEDUL = 102,
1900         /* 103 reserved */
1901         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1902         WLAN_EID_PTI_CONTROL = 105,
1903         WLAN_EID_PU_BUFFER_STATUS = 106,
1904         WLAN_EID_INTERWORKING = 107,
1905         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1906         WLAN_EID_EXPEDITED_BW_REQ = 109,
1907         WLAN_EID_QOS_MAP_SET = 110,
1908         WLAN_EID_ROAMING_CONSORTIUM = 111,
1909         WLAN_EID_EMERGENCY_ALERT = 112,
1910         WLAN_EID_MESH_CONFIG = 113,
1911         WLAN_EID_MESH_ID = 114,
1912         WLAN_EID_LINK_METRIC_REPORT = 115,
1913         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1914         WLAN_EID_PEER_MGMT = 117,
1915         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1916         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1917         WLAN_EID_BEACON_TIMING = 120,
1918         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1919         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1920         WLAN_EID_MCCAOP_ADVERT = 123,
1921         WLAN_EID_MCCAOP_TEARDOWN = 124,
1922         WLAN_EID_GANN = 125,
1923         WLAN_EID_RANN = 126,
1924         WLAN_EID_EXT_CAPABILITY = 127,
1925         /* 128, 129 reserved for Agere */
1926         WLAN_EID_PREQ = 130,
1927         WLAN_EID_PREP = 131,
1928         WLAN_EID_PERR = 132,
1929         /* 133-136 reserved for Cisco */
1930         WLAN_EID_PXU = 137,
1931         WLAN_EID_PXUC = 138,
1932         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1933         WLAN_EID_MIC = 140,
1934         WLAN_EID_DESTINATION_URI = 141,
1935         WLAN_EID_UAPSD_COEX = 142,
1936         WLAN_EID_WAKEUP_SCHEDULE = 143,
1937         WLAN_EID_EXT_SCHEDULE = 144,
1938         WLAN_EID_STA_AVAILABILITY = 145,
1939         WLAN_EID_DMG_TSPEC = 146,
1940         WLAN_EID_DMG_AT = 147,
1941         WLAN_EID_DMG_CAP = 148,
1942         /* 149 reserved for Cisco */
1943         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1944         WLAN_EID_DMG_OPERATION = 151,
1945         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1946         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1947         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1948         /* 155-156 reserved for Cisco */
1949         WLAN_EID_AWAKE_WINDOW = 157,
1950         WLAN_EID_MULTI_BAND = 158,
1951         WLAN_EID_ADDBA_EXT = 159,
1952         WLAN_EID_NEXT_PCP_LIST = 160,
1953         WLAN_EID_PCP_HANDOVER = 161,
1954         WLAN_EID_DMG_LINK_MARGIN = 162,
1955         WLAN_EID_SWITCHING_STREAM = 163,
1956         WLAN_EID_SESSION_TRANSITION = 164,
1957         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1958         WLAN_EID_CLUSTER_REPORT = 166,
1959         WLAN_EID_RELAY_CAP = 167,
1960         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1961         WLAN_EID_BEAM_LINK_MAINT = 169,
1962         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1963         WLAN_EID_U_PID = 171,
1964         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1965         /* 173 reserved for Symbol */
1966         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1967         WLAN_EID_QUIET_PERIOD_REQ = 175,
1968         /* 176 reserved for Symbol */
1969         WLAN_EID_QUIET_PERIOD_RESP = 177,
1970         /* 178-179 reserved for Symbol */
1971         /* 180 reserved for ISO/IEC 20011 */
1972         WLAN_EID_EPAC_POLICY = 182,
1973         WLAN_EID_CLISTER_TIME_OFF = 183,
1974         WLAN_EID_INTER_AC_PRIO = 184,
1975         WLAN_EID_SCS_DESCRIPTOR = 185,
1976         WLAN_EID_QLOAD_REPORT = 186,
1977         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1978         WLAN_EID_HL_STREAM_ID = 188,
1979         WLAN_EID_GCR_GROUP_ADDR = 189,
1980         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1981         WLAN_EID_VHT_CAPABILITY = 191,
1982         WLAN_EID_VHT_OPERATION = 192,
1983         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1984         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1985         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1986         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1987         WLAN_EID_AID = 197,
1988         WLAN_EID_QUIET_CHANNEL = 198,
1989         WLAN_EID_OPMODE_NOTIF = 199,
1990
1991         WLAN_EID_VENDOR_SPECIFIC = 221,
1992         WLAN_EID_QOS_PARAMETER = 222,
1993         WLAN_EID_CAG_NUMBER = 237,
1994         WLAN_EID_AP_CSN = 239,
1995         WLAN_EID_FILS_INDICATION = 240,
1996         WLAN_EID_DILS = 241,
1997         WLAN_EID_FRAGMENT = 242,
1998         WLAN_EID_EXTENSION = 255
1999 };
2000
2001 /* Element ID Extensions for Element ID 255 */
2002 enum ieee80211_eid_ext {
2003         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2004         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2005         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2006         WLAN_EID_EXT_FILS_SESSION = 4,
2007         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2008         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2009         WLAN_EID_EXT_KEY_DELIVERY = 7,
2010         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2011         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2012         WLAN_EID_EXT_FILS_NONCE = 13,
2013 };
2014
2015 /* Action category code */
2016 enum ieee80211_category {
2017         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2018         WLAN_CATEGORY_QOS = 1,
2019         WLAN_CATEGORY_DLS = 2,
2020         WLAN_CATEGORY_BACK = 3,
2021         WLAN_CATEGORY_PUBLIC = 4,
2022         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2023         WLAN_CATEGORY_HT = 7,
2024         WLAN_CATEGORY_SA_QUERY = 8,
2025         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2026         WLAN_CATEGORY_WNM = 10,
2027         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2028         WLAN_CATEGORY_TDLS = 12,
2029         WLAN_CATEGORY_MESH_ACTION = 13,
2030         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2031         WLAN_CATEGORY_SELF_PROTECTED = 15,
2032         WLAN_CATEGORY_DMG = 16,
2033         WLAN_CATEGORY_WMM = 17,
2034         WLAN_CATEGORY_FST = 18,
2035         WLAN_CATEGORY_UNPROT_DMG = 20,
2036         WLAN_CATEGORY_VHT = 21,
2037         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2038         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2039 };
2040
2041 /* SPECTRUM_MGMT action code */
2042 enum ieee80211_spectrum_mgmt_actioncode {
2043         WLAN_ACTION_SPCT_MSR_REQ = 0,
2044         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2045         WLAN_ACTION_SPCT_TPC_REQ = 2,
2046         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2047         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2048 };
2049
2050 /* HT action codes */
2051 enum ieee80211_ht_actioncode {
2052         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2053         WLAN_HT_ACTION_SMPS = 1,
2054         WLAN_HT_ACTION_PSMP = 2,
2055         WLAN_HT_ACTION_PCO_PHASE = 3,
2056         WLAN_HT_ACTION_CSI = 4,
2057         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2058         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2059         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2060 };
2061
2062 /* VHT action codes */
2063 enum ieee80211_vht_actioncode {
2064         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2065         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2066         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2067 };
2068
2069 /* Self Protected Action codes */
2070 enum ieee80211_self_protected_actioncode {
2071         WLAN_SP_RESERVED = 0,
2072         WLAN_SP_MESH_PEERING_OPEN = 1,
2073         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2074         WLAN_SP_MESH_PEERING_CLOSE = 3,
2075         WLAN_SP_MGK_INFORM = 4,
2076         WLAN_SP_MGK_ACK = 5,
2077 };
2078
2079 /* Mesh action codes */
2080 enum ieee80211_mesh_actioncode {
2081         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2082         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2083         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2084         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2085         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2086         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2087         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2088         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2089         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2090         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2091         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2092 };
2093
2094 /* Security key length */
2095 enum ieee80211_key_len {
2096         WLAN_KEY_LEN_WEP40 = 5,
2097         WLAN_KEY_LEN_WEP104 = 13,
2098         WLAN_KEY_LEN_CCMP = 16,
2099         WLAN_KEY_LEN_CCMP_256 = 32,
2100         WLAN_KEY_LEN_TKIP = 32,
2101         WLAN_KEY_LEN_AES_CMAC = 16,
2102         WLAN_KEY_LEN_SMS4 = 32,
2103         WLAN_KEY_LEN_GCMP = 16,
2104         WLAN_KEY_LEN_GCMP_256 = 32,
2105         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2106         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2107         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2108 };
2109
2110 #define IEEE80211_WEP_IV_LEN            4
2111 #define IEEE80211_WEP_ICV_LEN           4
2112 #define IEEE80211_CCMP_HDR_LEN          8
2113 #define IEEE80211_CCMP_MIC_LEN          8
2114 #define IEEE80211_CCMP_PN_LEN           6
2115 #define IEEE80211_CCMP_256_HDR_LEN      8
2116 #define IEEE80211_CCMP_256_MIC_LEN      16
2117 #define IEEE80211_CCMP_256_PN_LEN       6
2118 #define IEEE80211_TKIP_IV_LEN           8
2119 #define IEEE80211_TKIP_ICV_LEN          4
2120 #define IEEE80211_CMAC_PN_LEN           6
2121 #define IEEE80211_GMAC_PN_LEN           6
2122 #define IEEE80211_GCMP_HDR_LEN          8
2123 #define IEEE80211_GCMP_MIC_LEN          16
2124 #define IEEE80211_GCMP_PN_LEN           6
2125
2126 #define FILS_NONCE_LEN                  16
2127 #define FILS_MAX_KEK_LEN                64
2128
2129 #define FILS_ERP_MAX_USERNAME_LEN       16
2130 #define FILS_ERP_MAX_REALM_LEN          253
2131 #define FILS_ERP_MAX_RRK_LEN            64
2132
2133 #define PMK_MAX_LEN                     64
2134
2135 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2136 enum ieee80211_pub_actioncode {
2137         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2138         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2139         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2140         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2141         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2142         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2143         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2144         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2145         WLAN_PUB_ACTION_DSE_PC = 8,
2146         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2147         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2148         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2149         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2150         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2151         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2152         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2153         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2154         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2155         WLAN_PUB_ACTION_QMF_POLICY = 18,
2156         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2157         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2158         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2159         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2160         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2161         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2162         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2163         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2164         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2165         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2166         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2167         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2168         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2169         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2170         WLAN_PUB_ACTION_FTM = 33,
2171         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2172 };
2173
2174 /* TDLS action codes */
2175 enum ieee80211_tdls_actioncode {
2176         WLAN_TDLS_SETUP_REQUEST = 0,
2177         WLAN_TDLS_SETUP_RESPONSE = 1,
2178         WLAN_TDLS_SETUP_CONFIRM = 2,
2179         WLAN_TDLS_TEARDOWN = 3,
2180         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2181         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2182         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2183         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2184         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2185         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2186         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2187 };
2188
2189 /* Extended Channel Switching capability to be set in the 1st byte of
2190  * the @WLAN_EID_EXT_CAPABILITY information element
2191  */
2192 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2193
2194 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2195 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2196 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2197 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2198
2199 /* Interworking capabilities are set in 7th bit of 4th byte of the
2200  * @WLAN_EID_EXT_CAPABILITY information element
2201  */
2202 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2203
2204 /*
2205  * TDLS capabililites to be enabled in the 5th byte of the
2206  * @WLAN_EID_EXT_CAPABILITY information element
2207  */
2208 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2209 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2210 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2211
2212 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2213 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2214
2215 /* Defines the maximal number of MSDUs in an A-MSDU. */
2216 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2217 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2218
2219 /*
2220  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2221  * information element
2222  */
2223 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2224
2225 /* TDLS specific payload type in the LLC/SNAP header */
2226 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2227
2228 /* BSS Coex IE information field bits */
2229 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2230
2231 /**
2232  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2233  *
2234  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2235  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2236  *      that will be specified in a vendor specific information element
2237  */
2238 enum ieee80211_mesh_sync_method {
2239         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2240         IEEE80211_SYNC_METHOD_VENDOR = 255,
2241 };
2242
2243 /**
2244  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2245  *
2246  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2247  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2248  *      be specified in a vendor specific information element
2249  */
2250 enum ieee80211_mesh_path_protocol {
2251         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2252         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2253 };
2254
2255 /**
2256  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2257  *
2258  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2259  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2260  *      specified in a vendor specific information element
2261  */
2262 enum ieee80211_mesh_path_metric {
2263         IEEE80211_PATH_METRIC_AIRTIME = 1,
2264         IEEE80211_PATH_METRIC_VENDOR = 255,
2265 };
2266
2267 /**
2268  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2269  *
2270  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2271  *
2272  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2273  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2274  *      this value
2275  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2276  *      the proactive PREQ with proactive PREP subfield set to 0
2277  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2278  *      supports the proactive PREQ with proactive PREP subfield set to 1
2279  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2280  *      the proactive RANN
2281  */
2282 enum ieee80211_root_mode_identifier {
2283         IEEE80211_ROOTMODE_NO_ROOT = 0,
2284         IEEE80211_ROOTMODE_ROOT = 1,
2285         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2286         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2287         IEEE80211_PROACTIVE_RANN = 4,
2288 };
2289
2290 /*
2291  * IEEE 802.11-2007 7.3.2.9 Country information element
2292  *
2293  * Minimum length is 8 octets, ie len must be evenly
2294  * divisible by 2
2295  */
2296
2297 /* Although the spec says 8 I'm seeing 6 in practice */
2298 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2299
2300 /* The Country String field of the element shall be 3 octets in length */
2301 #define IEEE80211_COUNTRY_STRING_LEN    3
2302
2303 /*
2304  * For regulatory extension stuff see IEEE 802.11-2007
2305  * Annex I (page 1141) and Annex J (page 1147). Also
2306  * review 7.3.2.9.
2307  *
2308  * When dot11RegulatoryClassesRequired is true and the
2309  * first_channel/reg_extension_id is >= 201 then the IE
2310  * compromises of the 'ext' struct represented below:
2311  *
2312  *  - Regulatory extension ID - when generating IE this just needs
2313  *    to be monotonically increasing for each triplet passed in
2314  *    the IE
2315  *  - Regulatory class - index into set of rules
2316  *  - Coverage class - index into air propagation time (Table 7-27),
2317  *    in microseconds, you can compute the air propagation time from
2318  *    the index by multiplying by 3, so index 10 yields a propagation
2319  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2320  *    yet. A value of 0 inicates air propagation of <= 1 us.
2321  *
2322  *  See also Table I.2 for Emission limit sets and table
2323  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2324  *  a reg_class to an emission limit set and behavior limit set.
2325  */
2326 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2327
2328 /*
2329  *  Channels numbers in the IE must be monotonically increasing
2330  *  if dot11RegulatoryClassesRequired is not true.
2331  *
2332  *  If dot11RegulatoryClassesRequired is true consecutive
2333  *  subband triplets following a regulatory triplet shall
2334  *  have monotonically increasing first_channel number fields.
2335  *
2336  *  Channel numbers shall not overlap.
2337  *
2338  *  Note that max_power is signed.
2339  */
2340 struct ieee80211_country_ie_triplet {
2341         union {
2342                 struct {
2343                         u8 first_channel;
2344                         u8 num_channels;
2345                         s8 max_power;
2346                 } __packed chans;
2347                 struct {
2348                         u8 reg_extension_id;
2349                         u8 reg_class;
2350                         u8 coverage_class;
2351                 } __packed ext;
2352         };
2353 } __packed;
2354
2355 enum ieee80211_timeout_interval_type {
2356         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2357         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2358         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2359 };
2360
2361 /**
2362  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2363  * @type: type, see &enum ieee80211_timeout_interval_type
2364  * @value: timeout interval value
2365  */
2366 struct ieee80211_timeout_interval_ie {
2367         u8 type;
2368         __le32 value;
2369 } __packed;
2370
2371 /**
2372  * enum ieee80211_idle_options - BSS idle options
2373  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2374  *      protected frame to the AP to reset the idle timer at the AP for
2375  *      the station.
2376  */
2377 enum ieee80211_idle_options {
2378         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2379 };
2380
2381 /**
2382  * struct ieee80211_bss_max_idle_period_ie
2383  *
2384  * This structure refers to "BSS Max idle period element"
2385  *
2386  * @max_idle_period: indicates the time period during which a station can
2387  *      refrain from transmitting frames to its associated AP without being
2388  *      disassociated. In units of 1000 TUs.
2389  * @idle_options: indicates the options associated with the BSS idle capability
2390  *      as specified in &enum ieee80211_idle_options.
2391  */
2392 struct ieee80211_bss_max_idle_period_ie {
2393         __le16 max_idle_period;
2394         u8 idle_options;
2395 } __packed;
2396
2397 /* BACK action code */
2398 enum ieee80211_back_actioncode {
2399         WLAN_ACTION_ADDBA_REQ = 0,
2400         WLAN_ACTION_ADDBA_RESP = 1,
2401         WLAN_ACTION_DELBA = 2,
2402 };
2403
2404 /* BACK (block-ack) parties */
2405 enum ieee80211_back_parties {
2406         WLAN_BACK_RECIPIENT = 0,
2407         WLAN_BACK_INITIATOR = 1,
2408 };
2409
2410 /* SA Query action */
2411 enum ieee80211_sa_query_action {
2412         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2413         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2414 };
2415
2416 #define SUITE(oui, id) (((oui) << 8) | (id))
2417
2418 /* cipher suite selectors */
2419 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2420 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2421 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2422 /* reserved:                            SUITE(0x000FAC, 3) */
2423 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2424 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2425 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2426 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2427 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2428 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2429 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2430 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2431 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2432
2433 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2434
2435 /* AKM suite selectors */
2436 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2437 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2438 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2439 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2440 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2441 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2442 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2443 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2444 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2445 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2446 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2447 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2448 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2449 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2450 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2451
2452 #define WLAN_MAX_KEY_LEN                32
2453
2454 #define WLAN_PMK_NAME_LEN               16
2455 #define WLAN_PMKID_LEN                  16
2456 #define WLAN_PMK_LEN_EAP_LEAP           16
2457 #define WLAN_PMK_LEN                    32
2458 #define WLAN_PMK_LEN_SUITE_B_192        48
2459
2460 #define WLAN_OUI_WFA                    0x506f9a
2461 #define WLAN_OUI_TYPE_WFA_P2P           9
2462 #define WLAN_OUI_MICROSOFT              0x0050f2
2463 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2464 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2465 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2466 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
2467
2468 /*
2469  * WMM/802.11e Tspec Element
2470  */
2471 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2472 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2473
2474 enum ieee80211_tspec_status_code {
2475         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2476         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2477 };
2478
2479 struct ieee80211_tspec_ie {
2480         u8 element_id;
2481         u8 len;
2482         u8 oui[3];
2483         u8 oui_type;
2484         u8 oui_subtype;
2485         u8 version;
2486         __le16 tsinfo;
2487         u8 tsinfo_resvd;
2488         __le16 nominal_msdu;
2489         __le16 max_msdu;
2490         __le32 min_service_int;
2491         __le32 max_service_int;
2492         __le32 inactivity_int;
2493         __le32 suspension_int;
2494         __le32 service_start_time;
2495         __le32 min_data_rate;
2496         __le32 mean_data_rate;
2497         __le32 peak_data_rate;
2498         __le32 max_burst_size;
2499         __le32 delay_bound;
2500         __le32 min_phy_rate;
2501         __le16 sba;
2502         __le16 medium_time;
2503 } __packed;
2504
2505 /**
2506  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2507  * @hdr: the frame
2508  *
2509  * The qos ctrl bytes come after the frame_control, duration, seq_num
2510  * and 3 or 4 addresses of length ETH_ALEN.
2511  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2512  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2513  */
2514 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2515 {
2516         if (ieee80211_has_a4(hdr->frame_control))
2517                 return (u8 *)hdr + 30;
2518         else
2519                 return (u8 *)hdr + 24;
2520 }
2521
2522 /**
2523  * ieee80211_get_tid - get qos TID
2524  * @hdr: the frame
2525  */
2526 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
2527 {
2528         u8 *qc = ieee80211_get_qos_ctl(hdr);
2529
2530         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
2531 }
2532
2533 /**
2534  * ieee80211_get_SA - get pointer to SA
2535  * @hdr: the frame
2536  *
2537  * Given an 802.11 frame, this function returns the offset
2538  * to the source address (SA). It does not verify that the
2539  * header is long enough to contain the address, and the
2540  * header must be long enough to contain the frame control
2541  * field.
2542  */
2543 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2544 {
2545         if (ieee80211_has_a4(hdr->frame_control))
2546                 return hdr->addr4;
2547         if (ieee80211_has_fromds(hdr->frame_control))
2548                 return hdr->addr3;
2549         return hdr->addr2;
2550 }
2551
2552 /**
2553  * ieee80211_get_DA - get pointer to DA
2554  * @hdr: the frame
2555  *
2556  * Given an 802.11 frame, this function returns the offset
2557  * to the destination address (DA). It does not verify that
2558  * the header is long enough to contain the address, and the
2559  * header must be long enough to contain the frame control
2560  * field.
2561  */
2562 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2563 {
2564         if (ieee80211_has_tods(hdr->frame_control))
2565                 return hdr->addr3;
2566         else
2567                 return hdr->addr1;
2568 }
2569
2570 /**
2571  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2572  * @hdr: the frame (buffer must include at least the first octet of payload)
2573  */
2574 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2575 {
2576         if (ieee80211_is_disassoc(hdr->frame_control) ||
2577             ieee80211_is_deauth(hdr->frame_control))
2578                 return true;
2579
2580         if (ieee80211_is_action(hdr->frame_control)) {
2581                 u8 *category;
2582
2583                 /*
2584                  * Action frames, excluding Public Action frames, are Robust
2585                  * Management Frames. However, if we are looking at a Protected
2586                  * frame, skip the check since the data may be encrypted and
2587                  * the frame has already been found to be a Robust Management
2588                  * Frame (by the other end).
2589                  */
2590                 if (ieee80211_has_protected(hdr->frame_control))
2591                         return true;
2592                 category = ((u8 *) hdr) + 24;
2593                 return *category != WLAN_CATEGORY_PUBLIC &&
2594                         *category != WLAN_CATEGORY_HT &&
2595                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2596                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2597                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2598                         *category != WLAN_CATEGORY_VHT &&
2599                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2600         }
2601
2602         return false;
2603 }
2604
2605 /**
2606  * ieee80211_is_public_action - check if frame is a public action frame
2607  * @hdr: the frame
2608  * @len: length of the frame
2609  */
2610 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2611                                               size_t len)
2612 {
2613         struct ieee80211_mgmt *mgmt = (void *)hdr;
2614
2615         if (len < IEEE80211_MIN_ACTION_SIZE)
2616                 return false;
2617         if (!ieee80211_is_action(hdr->frame_control))
2618                 return false;
2619         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2620 }
2621
2622 static inline bool is_multicast_ether_addr(const u8 *a)
2623 {
2624         return 0x01 & a[0];
2625 }
2626
2627 /**
2628  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2629  * privacy action frame
2630  * @hdr: the frame
2631  */
2632 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2633 {
2634         struct ieee80211_mgmt *mgmt = (void *)hdr;
2635
2636         if (!ieee80211_is_action(hdr->frame_control) ||
2637             !is_multicast_ether_addr(hdr->addr1))
2638                 return false;
2639
2640         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2641                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2642 }
2643
2644 /**
2645  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2646  * @tu: the TUs
2647  */
2648 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2649 {
2650         return 1024 * tu;
2651 }
2652
2653 /**
2654  * ieee80211_check_tim - check if AID bit is set in TIM
2655  * @tim: the TIM IE
2656  * @tim_len: length of the TIM IE
2657  * @aid: the AID to look for
2658  */
2659 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2660                                        u8 tim_len, u16 aid)
2661 {
2662         u8 mask;
2663         u8 indexn0, indexn1, indexn2;
2664
2665         if (unlikely(!tim || tim_len < sizeof(*tim)))
2666                 return false;
2667
2668         aid &= 0x3fff;
2669         indexn0 = aid / 8;
2670         mask  = 1 << (aid & 7);
2671
2672         indexn1 = tim->bitmap_ctrl & 0xfe;
2673         indexn2 = tim_len + indexn1 - 4;
2674
2675         if (indexn0 < indexn1 || indexn0 > indexn2)
2676                 return false;
2677
2678         indexn0 -= indexn1;
2679
2680         return !!(tim->virtual_map[indexn0] & mask);
2681 }
2682
2683 /* convert time units */
2684 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
2685 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
2686
2687 #endif /* __LINUX_IEEE80211_H */