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 Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #ifndef __LINUX_IEEE80211_H
  18 #define __LINUX_IEEE80211_H
  19
  20 /*
  21  * DS bit usage
  22  *
  23  * TA = transmitter address
  24  * RA = receiver address
  25  * DA = destination address
  26  * SA = source address
  27  *
  28  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  29  * -----------------------------------------------------------------
  30  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  31  *  0       1       DA      BSSID   SA      -       AP -> STA
  32  *  1       0       BSSID   SA      DA      -       AP <- STA
  33  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  34  */
  35
  36 #define FCS_LEN 4
  37
  38 #define IEEE80211_FCTL_VERS             0x0003
  39 #define IEEE80211_FCTL_FTYPE            0x000c
  40 #define IEEE80211_FCTL_STYPE            0x00f0
  41 #define IEEE80211_FCTL_TODS             0x0100
  42 #define IEEE80211_FCTL_FROMDS           0x0200
  43 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  44 #define IEEE80211_FCTL_RETRY            0x0800
  45 #define IEEE80211_FCTL_PM               0x1000
  46 #define IEEE80211_FCTL_MOREDATA         0x2000
  47 #define IEEE80211_FCTL_PROTECTED        0x4000
  48 #define IEEE80211_FCTL_ORDER            0x8000
  49 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  50
  51 #define IEEE80211_SCTL_FRAG             0x000F
  52 #define IEEE80211_SCTL_SEQ              0xFFF0
  53
  54 #define IEEE80211_FTYPE_MGMT            0x0000
  55 #define IEEE80211_FTYPE_CTL             0x0004
  56 #define IEEE80211_FTYPE_DATA            0x0008
  57 #define IEEE80211_FTYPE_EXT             0x000c
  58
  59 /* management */
  60 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  61 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  62 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  63 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  64 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  65 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  66 #define IEEE80211_STYPE_BEACON          0x0080
  67 #define IEEE80211_STYPE_ATIM            0x0090
  68 #define IEEE80211_STYPE_DISASSOC        0x00A0
  69 #define IEEE80211_STYPE_AUTH            0x00B0
  70 #define IEEE80211_STYPE_DEAUTH          0x00C0
  71 #define IEEE80211_STYPE_ACTION          0x00D0
  72
  73 /* control */
  74 #define IEEE80211_STYPE_CTL_EXT         0x0060
  75 #define IEEE80211_STYPE_BACK_REQ        0x0080
  76 #define IEEE80211_STYPE_BACK            0x0090
  77 #define IEEE80211_STYPE_PSPOLL          0x00A0
  78 #define IEEE80211_STYPE_RTS             0x00B0
  79 #define IEEE80211_STYPE_CTS             0x00C0
  80 #define IEEE80211_STYPE_ACK             0x00D0
  81 #define IEEE80211_STYPE_CFEND           0x00E0
  82 #define IEEE80211_STYPE_CFENDACK        0x00F0
  83
  84 /* data */
  85 #define IEEE80211_STYPE_DATA                    0x0000
  86 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  87 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  88 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  89 #define IEEE80211_STYPE_NULLFUNC                0x0040
  90 #define IEEE80211_STYPE_CFACK                   0x0050
  91 #define IEEE80211_STYPE_CFPOLL                  0x0060
  92 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  93 #define IEEE80211_STYPE_QOS_DATA                0x0080
  94 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  95 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  96 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  97 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  98 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  99 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 100 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 101
 102 /* extension, added by 802.11ad */
 103 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 104
 105 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 106 #define IEEE80211_CTL_EXT_POLL          0x2000
 107 #define IEEE80211_CTL_EXT_SPR           0x3000
 108 #define IEEE80211_CTL_EXT_GRANT 0x4000
 109 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 110 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 111 #define IEEE80211_CTL_EXT_SSW           0x8000
 112 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 113 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 114
 115
 116 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 117 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 118 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 119
 120 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 121 {
 122         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 123 }
 124
 125 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 126 {
 127         return (sn1 + sn2) & IEEE80211_SN_MASK;
 128 }
 129
 130 static inline u16 ieee80211_sn_inc(u16 sn)
 131 {
 132         return ieee80211_sn_add(sn, 1);
 133 }
 134
 135 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 136 {
 137         return (sn1 - sn2) & IEEE80211_SN_MASK;
 138 }
 139
 140 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 141 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 142
 143 /* miscellaneous IEEE 802.11 constants */
 144 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 145 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 146 #define IEEE80211_MAX_AID               2007
 147 #define IEEE80211_MAX_TIM_LEN           251
 148 #define IEEE80211_MAX_MESH_PEERINGS     63
 149 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 150    6.2.1.1.2.
 151
 152    802.11e clarifies the figure in section 7.1.2. The frame body is
 153    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 154 #define IEEE80211_MAX_DATA_LEN          2304
 155 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 156  * to 7920 bytes, see 8.2.3 General frame format
 157  */
 158 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 159 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 160 #define IEEE80211_MAX_FRAME_LEN         2352
 161
 162 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 163 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 164
 165 /* Maximal size of an A-MSDU */
 166 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 167 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 168
 169 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 170 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 171 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 172
 173 #define IEEE80211_MAX_SSID_LEN          32
 174
 175 #define IEEE80211_MAX_MESH_ID_LEN       32
 176
 177 #define IEEE80211_FIRST_TSPEC_TSID      8
 178 #define IEEE80211_NUM_TIDS              16
 179
 180 /* number of user priorities 802.11 uses */
 181 #define IEEE80211_NUM_UPS               8
 182 /* number of ACs */
 183 #define IEEE80211_NUM_ACS               4
 184
 185 #define IEEE80211_QOS_CTL_LEN           2
 186 /* 1d tag mask */
 187 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 188 /* TID mask */
 189 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 190 /* EOSP */
 191 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 192 /* ACK policy */
 193 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 194 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 195 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 196 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 197 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 198 /* A-MSDU 802.11n */
 199 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 200 /* Mesh Control 802.11s */
 201 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 202
 203 /* U-APSD queue for WMM IEs sent by AP */
 204 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 205 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 206
 207 /* U-APSD queues for WMM IEs sent by STA */
 208 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 209 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 210 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 211 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 212 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 213
 214 /* U-APSD max SP length for WMM IEs sent by STA */
 215 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 216 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 219 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 221
 222 #define IEEE80211_HT_CTL_LEN            4
 223
 224 struct ieee80211_hdr {
 225         __le16 frame_control;
 226         __le16 duration_id;
 227         u8 addr1[6];
 228         u8 addr2[6];
 229         u8 addr3[6];
 230         __le16 seq_ctrl;
 231         u8 addr4[6];
 232 } __packed __aligned(2);
 233
 234 struct ieee80211_hdr_3addr {
 235         __le16 frame_control;
 236         __le16 duration_id;
 237         u8 addr1[6];
 238         u8 addr2[6];
 239         u8 addr3[6];
 240         __le16 seq_ctrl;
 241 } __packed __aligned(2);
 242
 243 struct ieee80211_qos_hdr {
 244         __le16 frame_control;
 245         __le16 duration_id;
 246         u8 addr1[6];
 247         u8 addr2[6];
 248         u8 addr3[6];
 249         __le16 seq_ctrl;
 250         __le16 qos_ctrl;
 251 } __packed __aligned(2);
 252
 253 /**
 254  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 255  * @fc: frame control bytes in little-endian byteorder
 256  */
 257 static inline bool ieee80211_has_tods(__le16 fc)
 258 {
 259         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 260 }
 261
 262 /**
 263  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 264  * @fc: frame control bytes in little-endian byteorder
 265  */
 266 static inline bool ieee80211_has_fromds(__le16 fc)
 267 {
 268         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 269 }
 270
 271 /**
 272  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 273  * @fc: frame control bytes in little-endian byteorder
 274  */
 275 static inline bool ieee80211_has_a4(__le16 fc)
 276 {
 277         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 278         return (fc & tmp) == tmp;
 279 }
 280
 281 /**
 282  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 283  * @fc: frame control bytes in little-endian byteorder
 284  */
 285 static inline bool ieee80211_has_morefrags(__le16 fc)
 286 {
 287         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 288 }
 289
 290 /**
 291  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 292  * @fc: frame control bytes in little-endian byteorder
 293  */
 294 static inline bool ieee80211_has_retry(__le16 fc)
 295 {
 296         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 297 }
 298
 299 /**
 300  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 301  * @fc: frame control bytes in little-endian byteorder
 302  */
 303 static inline bool ieee80211_has_pm(__le16 fc)
 304 {
 305         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 306 }
 307
 308 /**
 309  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 310  * @fc: frame control bytes in little-endian byteorder
 311  */
 312 static inline bool ieee80211_has_moredata(__le16 fc)
 313 {
 314         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 315 }
 316
 317 /**
 318  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 319  * @fc: frame control bytes in little-endian byteorder
 320  */
 321 static inline bool ieee80211_has_protected(__le16 fc)
 322 {
 323         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 324 }
 325
 326 /**
 327  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 328  * @fc: frame control bytes in little-endian byteorder
 329  */
 330 static inline bool ieee80211_has_order(__le16 fc)
 331 {
 332         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 333 }
 334
 335 /**
 336  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 337  * @fc: frame control bytes in little-endian byteorder
 338  */
 339 static inline bool ieee80211_is_mgmt(__le16 fc)
 340 {
 341         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 342                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 343 }
 344
 345 /**
 346  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 347  * @fc: frame control bytes in little-endian byteorder
 348  */
 349 static inline bool ieee80211_is_ctl(__le16 fc)
 350 {
 351         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 352                cpu_to_le16(IEEE80211_FTYPE_CTL);
 353 }
 354
 355 /**
 356  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 357  * @fc: frame control bytes in little-endian byteorder
 358  */
 359 static inline bool ieee80211_is_data(__le16 fc)
 360 {
 361         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 362                cpu_to_le16(IEEE80211_FTYPE_DATA);
 363 }
 364
 365 /**
 366  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 367  * @fc: frame control bytes in little-endian byteorder
 368  */
 369 static inline bool ieee80211_is_data_qos(__le16 fc)
 370 {
 371         /*
 372          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 373          * to check the one bit
 374          */
 375         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 376                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 377 }
 378
 379 /**
 380  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 381  * @fc: frame control bytes in little-endian byteorder
 382  */
 383 static inline bool ieee80211_is_data_present(__le16 fc)
 384 {
 385         /*
 386          * mask with 0x40 and test that that bit is clear to only return true
 387          * for the data-containing substypes.
 388          */
 389         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 390                cpu_to_le16(IEEE80211_FTYPE_DATA);
 391 }
 392
 393 /**
 394  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 395  * @fc: frame control bytes in little-endian byteorder
 396  */
 397 static inline bool ieee80211_is_assoc_req(__le16 fc)
 398 {
 399         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 400                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 401 }
 402
 403 /**
 404  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 405  * @fc: frame control bytes in little-endian byteorder
 406  */
 407 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 408 {
 409         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 410                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 411 }
 412
 413 /**
 414  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 415  * @fc: frame control bytes in little-endian byteorder
 416  */
 417 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 418 {
 419         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 420                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 421 }
 422
 423 /**
 424  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 425  * @fc: frame control bytes in little-endian byteorder
 426  */
 427 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 428 {
 429         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 430                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 431 }
 432
 433 /**
 434  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 435  * @fc: frame control bytes in little-endian byteorder
 436  */
 437 static inline bool ieee80211_is_probe_req(__le16 fc)
 438 {
 439         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 440                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 441 }
 442
 443 /**
 444  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 445  * @fc: frame control bytes in little-endian byteorder
 446  */
 447 static inline bool ieee80211_is_probe_resp(__le16 fc)
 448 {
 449         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 450                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 451 }
 452
 453 /**
 454  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 455  * @fc: frame control bytes in little-endian byteorder
 456  */
 457 static inline bool ieee80211_is_beacon(__le16 fc)
 458 {
 459         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 460                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 461 }
 462
 463 /**
 464  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 465  * @fc: frame control bytes in little-endian byteorder
 466  */
 467 static inline bool ieee80211_is_atim(__le16 fc)
 468 {
 469         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 470                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 471 }
 472
 473 /**
 474  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 475  * @fc: frame control bytes in little-endian byteorder
 476  */
 477 static inline bool ieee80211_is_disassoc(__le16 fc)
 478 {
 479         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 480                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 481 }
 482
 483 /**
 484  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 485  * @fc: frame control bytes in little-endian byteorder
 486  */
 487 static inline bool ieee80211_is_auth(__le16 fc)
 488 {
 489         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 490                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 491 }
 492
 493 /**
 494  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 495  * @fc: frame control bytes in little-endian byteorder
 496  */
 497 static inline bool ieee80211_is_deauth(__le16 fc)
 498 {
 499         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 500                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 501 }
 502
 503 /**
 504  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 505  * @fc: frame control bytes in little-endian byteorder
 506  */
 507 static inline bool ieee80211_is_action(__le16 fc)
 508 {
 509         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 510                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 511 }
 512
 513 /**
 514  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 515  * @fc: frame control bytes in little-endian byteorder
 516  */
 517 static inline bool ieee80211_is_back_req(__le16 fc)
 518 {
 519         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 520                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 521 }
 522
 523 /**
 524  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 525  * @fc: frame control bytes in little-endian byteorder
 526  */
 527 static inline bool ieee80211_is_back(__le16 fc)
 528 {
 529         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 530                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 531 }
 532
 533 /**
 534  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 535  * @fc: frame control bytes in little-endian byteorder
 536  */
 537 static inline bool ieee80211_is_pspoll(__le16 fc)
 538 {
 539         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 540                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 541 }
 542
 543 /**
 544  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 545  * @fc: frame control bytes in little-endian byteorder
 546  */
 547 static inline bool ieee80211_is_rts(__le16 fc)
 548 {
 549         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 550                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 551 }
 552
 553 /**
 554  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 555  * @fc: frame control bytes in little-endian byteorder
 556  */
 557 static inline bool ieee80211_is_cts(__le16 fc)
 558 {
 559         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 560                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 561 }
 562
 563 /**
 564  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 565  * @fc: frame control bytes in little-endian byteorder
 566  */
 567 static inline bool ieee80211_is_ack(__le16 fc)
 568 {
 569         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 570                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 571 }
 572
 573 /**
 574  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 575  * @fc: frame control bytes in little-endian byteorder
 576  */
 577 static inline bool ieee80211_is_cfend(__le16 fc)
 578 {
 579         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 580                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 581 }
 582
 583 /**
 584  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 585  * @fc: frame control bytes in little-endian byteorder
 586  */
 587 static inline bool ieee80211_is_cfendack(__le16 fc)
 588 {
 589         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 590                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 591 }
 592
 593 /**
 594  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 595  * @fc: frame control bytes in little-endian byteorder
 596  */
 597 static inline bool ieee80211_is_nullfunc(__le16 fc)
 598 {
 599         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 600                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 601 }
 602
 603 /**
 604  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 605  * @fc: frame control bytes in little-endian byteorder
 606  */
 607 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 608 {
 609         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 610                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 611 }
 612
 613 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 614 {
 615         unsigned int hdrlen = 24;
 616
 617         if (ieee80211_has_a4(fc))
 618                 hdrlen = 30;
 619
 620         if (ieee80211_is_data_qos(fc)) {
 621                 hdrlen += IEEE80211_QOS_CTL_LEN;
 622                 if (ieee80211_has_order(fc))
 623                         hdrlen += IEEE80211_HT_CTL_LEN;
 624         }
 625
 626         return hdrlen;
 627 }
 628
 629 /**
 630  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 631  * @fc: frame control field in little-endian byteorder
 632  */
 633 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 634 {
 635         /* IEEE 802.11-2012, definition of "bufferable management frame";
 636          * note that this ignores the IBSS special case. */
 637         return ieee80211_is_mgmt(fc) &&
 638                (ieee80211_is_action(fc) ||
 639                 ieee80211_is_disassoc(fc) ||
 640                 ieee80211_is_deauth(fc));
 641 }
 642
 643 /**
 644  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 645  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 646  */
 647 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 648 {
 649         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 650 }
 651
 652 /**
 653  * ieee80211_is_frag - check if a frame is a fragment
 654  * @hdr: 802.11 header of the frame
 655  */
 656 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 657 {
 658         return ieee80211_has_morefrags(hdr->frame_control) ||
 659                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 660 }
 661
 662 struct ieee80211s_hdr {
 663         u8 flags;
 664         u8 ttl;
 665         __le32 seqnum;
 666         u8 eaddr1[6];
 667         u8 eaddr2[6];
 668 } __packed __aligned(2);
 669
 670 /* Mesh flags */
 671 #define MESH_FLAGS_AE_A4        0x1
 672 #define MESH_FLAGS_AE_A5_A6     0x2
 673 #define MESH_FLAGS_AE           0x3
 674 #define MESH_FLAGS_PS_DEEP      0x4
 675
 676 /**
 677  * enum ieee80211_preq_flags - mesh PREQ element flags
 678  *
 679  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 680  */
 681 enum ieee80211_preq_flags {
 682         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 683 };
 684
 685 /**
 686  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 687  *
 688  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 689  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 690  */
 691 enum ieee80211_preq_target_flags {
 692         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 693         IEEE80211_PREQ_USN_FLAG = 1<<2,
 694 };
 695
 696 /**
 697  * struct ieee80211_quiet_ie
 698  *
 699  * This structure refers to "Quiet information element"
 700  */
 701 struct ieee80211_quiet_ie {
 702         u8 count;
 703         u8 period;
 704         __le16 duration;
 705         __le16 offset;
 706 } __packed;
 707
 708 /**
 709  * struct ieee80211_msrment_ie
 710  *
 711  * This structure refers to "Measurement Request/Report information element"
 712  */
 713 struct ieee80211_msrment_ie {
 714         u8 token;
 715         u8 mode;
 716         u8 type;
 717         u8 request[0];
 718 } __packed;
 719
 720 /**
 721  * struct ieee80211_channel_sw_ie
 722  *
 723  * This structure refers to "Channel Switch Announcement information element"
 724  */
 725 struct ieee80211_channel_sw_ie {
 726         u8 mode;
 727         u8 new_ch_num;
 728         u8 count;
 729 } __packed;
 730
 731 /**
 732  * struct ieee80211_ext_chansw_ie
 733  *
 734  * This structure represents the "Extended Channel Switch Announcement element"
 735  */
 736 struct ieee80211_ext_chansw_ie {
 737         u8 mode;
 738         u8 new_operating_class;
 739         u8 new_ch_num;
 740         u8 count;
 741 } __packed;
 742
 743 /**
 744  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 745  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 746  *      values here
 747  * This structure represents the "Secondary Channel Offset element"
 748  */
 749 struct ieee80211_sec_chan_offs_ie {
 750         u8 sec_chan_offs;
 751 } __packed;
 752
 753 /**
 754  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 755  *
 756  * This structure represents the "Mesh Channel Switch Paramters element"
 757  */
 758 struct ieee80211_mesh_chansw_params_ie {
 759         u8 mesh_ttl;
 760         u8 mesh_flags;
 761         __le16 mesh_reason;
 762         __le16 mesh_pre_value;
 763 } __packed;
 764
 765 /**
 766  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 767  */
 768 struct ieee80211_wide_bw_chansw_ie {
 769         u8 new_channel_width;
 770         u8 new_center_freq_seg0, new_center_freq_seg1;
 771 } __packed;
 772
 773 /**
 774  * struct ieee80211_tim
 775  *
 776  * This structure refers to "Traffic Indication Map information element"
 777  */
 778 struct ieee80211_tim_ie {
 779         u8 dtim_count;
 780         u8 dtim_period;
 781         u8 bitmap_ctrl;
 782         /* variable size: 1 - 251 bytes */
 783         u8 virtual_map[1];
 784 } __packed;
 785
 786 /**
 787  * struct ieee80211_meshconf_ie
 788  *
 789  * This structure refers to "Mesh Configuration information element"
 790  */
 791 struct ieee80211_meshconf_ie {
 792         u8 meshconf_psel;
 793         u8 meshconf_pmetric;
 794         u8 meshconf_congest;
 795         u8 meshconf_synch;
 796         u8 meshconf_auth;
 797         u8 meshconf_form;
 798         u8 meshconf_cap;
 799 } __packed;
 800
 801 /**
 802  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 803  *
 804  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 805  *      additional mesh peerings with other mesh STAs
 806  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 807  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 808  *      is ongoing
 809  */
 810 enum mesh_config_capab_flags {
 811         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 812         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 813         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 814 };
 815
 816 /**
 817  * mesh channel switch parameters element's flag indicator
 818  *
 819  */
 820 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 821 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 822 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 823
 824 /**
 825  * struct ieee80211_rann_ie
 826  *
 827  * This structure refers to "Root Announcement information element"
 828  */
 829 struct ieee80211_rann_ie {
 830         u8 rann_flags;
 831         u8 rann_hopcount;
 832         u8 rann_ttl;
 833         u8 rann_addr[6];
 834         __le32 rann_seq;
 835         __le32 rann_interval;
 836         __le32 rann_metric;
 837 } __packed;
 838
 839 enum ieee80211_rann_flags {
 840         RANN_FLAG_IS_GATE = 1 << 0,
 841 };
 842
 843 enum ieee80211_ht_chanwidth_values {
 844         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 845         IEEE80211_HT_CHANWIDTH_ANY = 1,
 846 };
 847
 848 /**
 849  * enum ieee80211_opmode_bits - VHT operating mode field bits
 850  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 853  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 854  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 855  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 856  *      (the NSS value is the value of this field + 1)
 857  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 858  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 859  *      using a beamforming steering matrix
 860  */
 861 enum ieee80211_vht_opmode_bits {
 862         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 863         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 864         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 865         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 866         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 867         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 868         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 869         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 870 };
 871
 872 #define WLAN_SA_QUERY_TR_ID_LEN 2
 873 #define WLAN_MEMBERSHIP_LEN 8
 874 #define WLAN_USER_POSITION_LEN 16
 875
 876 /**
 877  * struct ieee80211_tpc_report_ie
 878  *
 879  * This structure refers to "TPC Report element"
 880  */
 881 struct ieee80211_tpc_report_ie {
 882         u8 tx_power;
 883         u8 link_margin;
 884 } __packed;
 885
 886 struct ieee80211_mgmt {
 887         __le16 frame_control;
 888         __le16 duration;
 889         u8 da[6];
 890         u8 sa[6];
 891         u8 bssid[6];
 892         __le16 seq_ctrl;
 893         union {
 894                 struct {
 895                         __le16 auth_alg;
 896                         __le16 auth_transaction;
 897                         __le16 status_code;
 898                         /* possibly followed by Challenge text */
 899                         u8 variable[0];
 900                 } __packed auth;
 901                 struct {
 902                         __le16 reason_code;
 903                 } __packed deauth;
 904                 struct {
 905                         __le16 capab_info;
 906                         __le16 listen_interval;
 907                         /* followed by SSID and Supported rates */
 908                         u8 variable[0];
 909                 } __packed assoc_req;
 910                 struct {
 911                         __le16 capab_info;
 912                         __le16 status_code;
 913                         __le16 aid;
 914                         /* followed by Supported rates */
 915                         u8 variable[0];
 916                 } __packed assoc_resp, reassoc_resp;
 917                 struct {
 918                         __le16 capab_info;
 919                         __le16 listen_interval;
 920                         u8 current_ap[6];
 921                         /* followed by SSID and Supported rates */
 922                         u8 variable[0];
 923                 } __packed reassoc_req;
 924                 struct {
 925                         __le16 reason_code;
 926                 } __packed disassoc;
 927                 struct {
 928                         __le64 timestamp;
 929                         __le16 beacon_int;
 930                         __le16 capab_info;
 931                         /* followed by some of SSID, Supported rates,
 932                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 933                         u8 variable[0];
 934                 } __packed beacon;
 935                 struct {
 936                         /* only variable items: SSID, Supported rates */
 937                         u8 variable[0];
 938                 } __packed probe_req;
 939                 struct {
 940                         __le64 timestamp;
 941                         __le16 beacon_int;
 942                         __le16 capab_info;
 943                         /* followed by some of SSID, Supported rates,
 944                          * FH Params, DS Params, CF Params, IBSS Params */
 945                         u8 variable[0];
 946                 } __packed probe_resp;
 947                 struct {
 948                         u8 category;
 949                         union {
 950                                 struct {
 951                                         u8 action_code;
 952                                         u8 dialog_token;
 953                                         u8 status_code;
 954                                         u8 variable[0];
 955                                 } __packed wme_action;
 956                                 struct{
 957                                         u8 action_code;
 958                                         u8 variable[0];
 959                                 } __packed chan_switch;
 960                                 struct{
 961                                         u8 action_code;
 962                                         struct ieee80211_ext_chansw_ie data;
 963                                         u8 variable[0];
 964                                 } __packed ext_chan_switch;
 965                                 struct{
 966                                         u8 action_code;
 967                                         u8 dialog_token;
 968                                         u8 element_id;
 969                                         u8 length;
 970                                         struct ieee80211_msrment_ie msr_elem;
 971                                 } __packed measurement;
 972                                 struct{
 973                                         u8 action_code;
 974                                         u8 dialog_token;
 975                                         __le16 capab;
 976                                         __le16 timeout;
 977                                         __le16 start_seq_num;
 978                                 } __packed addba_req;
 979                                 struct{
 980                                         u8 action_code;
 981                                         u8 dialog_token;
 982                                         __le16 status;
 983                                         __le16 capab;
 984                                         __le16 timeout;
 985                                 } __packed addba_resp;
 986                                 struct{
 987                                         u8 action_code;
 988                                         __le16 params;
 989                                         __le16 reason_code;
 990                                 } __packed delba;
 991                                 struct {
 992                                         u8 action_code;
 993                                         u8 variable[0];
 994                                 } __packed self_prot;
 995                                 struct{
 996                                         u8 action_code;
 997                                         u8 variable[0];
 998                                 } __packed mesh_action;
 999                                 struct {
1000                                         u8 action;
1001                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1002                                 } __packed sa_query;
1003                                 struct {
1004                                         u8 action;
1005                                         u8 smps_control;
1006                                 } __packed ht_smps;
1007                                 struct {
1008                                         u8 action_code;
1009                                         u8 chanwidth;
1010                                 } __packed ht_notify_cw;
1011                                 struct {
1012                                         u8 action_code;
1013                                         u8 dialog_token;
1014                                         __le16 capability;
1015                                         u8 variable[0];
1016                                 } __packed tdls_discover_resp;
1017                                 struct {
1018                                         u8 action_code;
1019                                         u8 operating_mode;
1020                                 } __packed vht_opmode_notif;
1021                                 struct {
1022                                         u8 action_code;
1023                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1024                                         u8 position[WLAN_USER_POSITION_LEN];
1025                                 } __packed vht_group_notif;
1026                                 struct {
1027                                         u8 action_code;
1028                                         u8 dialog_token;
1029                                         u8 tpc_elem_id;
1030                                         u8 tpc_elem_length;
1031                                         struct ieee80211_tpc_report_ie tpc;
1032                                 } __packed tpc_report;
1033                                 struct {
1034                                         u8 action_code;
1035                                         u8 dialog_token;
1036                                         u8 follow_up;
1037                                         u8 tod[6];
1038                                         u8 toa[6];
1039                                         __le16 tod_error;
1040                                         __le16 toa_error;
1041                                         u8 variable[0];
1042                                 } __packed ftm;
1043                         } u;
1044                 } __packed action;
1045         } u;
1046 } __packed __aligned(2);
1047
1048 /* Supported rates membership selectors */
1049 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1050 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1051
1052 /* mgmt header + 1 byte category code */
1053 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1054
1055
1056 /* Management MIC information element (IEEE 802.11w) */
1057 struct ieee80211_mmie {
1058         u8 element_id;
1059         u8 length;
1060         __le16 key_id;
1061         u8 sequence_number[6];
1062         u8 mic[8];
1063 } __packed;
1064
1065 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1066 struct ieee80211_mmie_16 {
1067         u8 element_id;
1068         u8 length;
1069         __le16 key_id;
1070         u8 sequence_number[6];
1071         u8 mic[16];
1072 } __packed;
1073
1074 struct ieee80211_vendor_ie {
1075         u8 element_id;
1076         u8 len;
1077         u8 oui[3];
1078         u8 oui_type;
1079 } __packed;
1080
1081 struct ieee80211_wmm_ac_param {
1082         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1083         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1084         __le16 txop_limit;
1085 } __packed;
1086
1087 struct ieee80211_wmm_param_ie {
1088         u8 element_id; /* Element ID: 221 (0xdd); */
1089         u8 len; /* Length: 24 */
1090         /* required fields for WMM version 1 */
1091         u8 oui[3]; /* 00:50:f2 */
1092         u8 oui_type; /* 2 */
1093         u8 oui_subtype; /* 1 */
1094         u8 version; /* 1 for WMM version 1.0 */
1095         u8 qos_info; /* AP/STA specific QoS info */
1096         u8 reserved; /* 0 */
1097         /* AC_BE, AC_BK, AC_VI, AC_VO */
1098         struct ieee80211_wmm_ac_param ac[4];
1099 } __packed;
1100
1101 /* Control frames */
1102 struct ieee80211_rts {
1103         __le16 frame_control;
1104         __le16 duration;
1105         u8 ra[6];
1106         u8 ta[6];
1107 } __packed __aligned(2);
1108
1109 struct ieee80211_cts {
1110         __le16 frame_control;
1111         __le16 duration;
1112         u8 ra[6];
1113 } __packed __aligned(2);
1114
1115 struct ieee80211_pspoll {
1116         __le16 frame_control;
1117         __le16 aid;
1118         u8 bssid[6];
1119         u8 ta[6];
1120 } __packed __aligned(2);
1121
1122 /* TDLS */
1123
1124 /* Channel switch timing */
1125 struct ieee80211_ch_switch_timing {
1126         __le16 switch_time;
1127         __le16 switch_timeout;
1128 } __packed;
1129
1130 /* Link-id information element */
1131 struct ieee80211_tdls_lnkie {
1132         u8 ie_type; /* Link Identifier IE */
1133         u8 ie_len;
1134         u8 bssid[6];
1135         u8 init_sta[6];
1136         u8 resp_sta[6];
1137 } __packed;
1138
1139 struct ieee80211_tdls_data {
1140         u8 da[6];
1141         u8 sa[6];
1142         __be16 ether_type;
1143         u8 payload_type;
1144         u8 category;
1145         u8 action_code;
1146         union {
1147                 struct {
1148                         u8 dialog_token;
1149                         __le16 capability;
1150                         u8 variable[0];
1151                 } __packed setup_req;
1152                 struct {
1153                         __le16 status_code;
1154                         u8 dialog_token;
1155                         __le16 capability;
1156                         u8 variable[0];
1157                 } __packed setup_resp;
1158                 struct {
1159                         __le16 status_code;
1160                         u8 dialog_token;
1161                         u8 variable[0];
1162                 } __packed setup_cfm;
1163                 struct {
1164                         __le16 reason_code;
1165                         u8 variable[0];
1166                 } __packed teardown;
1167                 struct {
1168                         u8 dialog_token;
1169                         u8 variable[0];
1170                 } __packed discover_req;
1171                 struct {
1172                         u8 target_channel;
1173                         u8 oper_class;
1174                         u8 variable[0];
1175                 } __packed chan_switch_req;
1176                 struct {
1177                         __le16 status_code;
1178                         u8 variable[0];
1179                 } __packed chan_switch_resp;
1180         } u;
1181 } __packed;
1182
1183 /*
1184  * Peer-to-Peer IE attribute related definitions.
1185  */
1186 /**
1187  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1188  */
1189 enum ieee80211_p2p_attr_id {
1190         IEEE80211_P2P_ATTR_STATUS = 0,
1191         IEEE80211_P2P_ATTR_MINOR_REASON,
1192         IEEE80211_P2P_ATTR_CAPABILITY,
1193         IEEE80211_P2P_ATTR_DEVICE_ID,
1194         IEEE80211_P2P_ATTR_GO_INTENT,
1195         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1196         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1197         IEEE80211_P2P_ATTR_GROUP_BSSID,
1198         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1199         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1200         IEEE80211_P2P_ATTR_MANAGABILITY,
1201         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1202         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1203         IEEE80211_P2P_ATTR_DEVICE_INFO,
1204         IEEE80211_P2P_ATTR_GROUP_INFO,
1205         IEEE80211_P2P_ATTR_GROUP_ID,
1206         IEEE80211_P2P_ATTR_INTERFACE,
1207         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1208         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1209         /* 19 - 220: Reserved */
1210         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1211
1212         IEEE80211_P2P_ATTR_MAX
1213 };
1214
1215 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1216 /* Typical max value used here */
1217 #define IEEE80211_P2P_NOA_DESC_MAX      4
1218
1219 struct ieee80211_p2p_noa_desc {
1220         u8 count;
1221         __le32 duration;
1222         __le32 interval;
1223         __le32 start_time;
1224 } __packed;
1225
1226 struct ieee80211_p2p_noa_attr {
1227         u8 index;
1228         u8 oppps_ctwindow;
1229         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1230 } __packed;
1231
1232 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1233 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1234
1235 /**
1236  * struct ieee80211_bar - HT Block Ack Request
1237  *
1238  * This structure refers to "HT BlockAckReq" as
1239  * described in 802.11n draft section 7.2.1.7.1
1240  */
1241 struct ieee80211_bar {
1242         __le16 frame_control;
1243         __le16 duration;
1244         __u8 ra[6];
1245         __u8 ta[6];
1246         __le16 control;
1247         __le16 start_seq_num;
1248 } __packed __aligned(4);
1249
1250 /* 802.11 BA(R) control masks */
1251 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1252 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1253 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1254 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1255 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1256
1257 /**
1258  * struct ieee80211_ba - HT Block Ack
1259  *
1260  * This structure refers to "HT BlockAck" as
1261  * described in 802.11n draft section 7.2.1.8.1
1262  */
1263 struct ieee80211_ba {
1264         __le16 frame_control;
1265         __le16 duration;
1266         u8 ra[6];
1267         u8 ta[6];
1268         __le16 control;
1269
1270         __le16 start_seq_num;
1271         u8 bitmap[8];
1272 } __packed;
1273
1274 #define IEEE80211_HT_MCS_MASK_LEN               10
1275
1276 /**
1277  * struct ieee80211_mcs_info - MCS information
1278  * @rx_mask: RX mask
1279  * @rx_highest: highest supported RX rate. If set represents
1280  *      the highest supported RX data rate in units of 1 Mbps.
1281  *      If this field is 0 this value should not be used to
1282  *      consider the highest RX data rate supported.
1283  * @tx_params: TX parameters
1284  */
1285 struct ieee80211_mcs_info {
1286         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1287         __le16 rx_highest;
1288         u8 tx_params;
1289         u8 reserved[3];
1290 } __packed;
1291
1292 /* 802.11n HT capability MSC set */
1293 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1294 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1295 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1296 /* value 0 == 1 stream etc */
1297 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1298 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1299 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1300 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1301
1302 /*
1303  * 802.11n D5.0 20.3.5 / 20.6 says:
1304  * - indices 0 to 7 and 32 are single spatial stream
1305  * - 8 to 31 are multiple spatial streams using equal modulation
1306  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1307  * - remainder are multiple spatial streams using unequal modulation
1308  */
1309 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1310 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1311         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1312
1313 /**
1314  * struct ieee80211_ht_cap - HT capabilities
1315  *
1316  * This structure is the "HT capabilities element" as
1317  * described in 802.11n D5.0 7.3.2.57
1318  */
1319 struct ieee80211_ht_cap {
1320         __le16 cap_info;
1321         u8 ampdu_params_info;
1322
1323         /* 16 bytes MCS information */
1324         struct ieee80211_mcs_info mcs;
1325
1326         __le16 extended_ht_cap_info;
1327         __le32 tx_BF_cap_info;
1328         u8 antenna_selection_info;
1329 } __packed;
1330
1331 /* 802.11n HT capabilities masks (for cap_info) */
1332 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1333 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1334 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1335 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1336 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1337 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1338 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1339 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1340 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1341 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1342 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1343 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1344 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1345 #define IEEE80211_HT_CAP_RESERVED               0x2000
1346 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1347 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1348
1349 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1350 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1351 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1352 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1353 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1354 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1355 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1356 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1357
1358 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1359 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1360 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1361 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1362
1363 /*
1364  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1365  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1366  */
1367 enum ieee80211_max_ampdu_length_exp {
1368         IEEE80211_HT_MAX_AMPDU_8K = 0,
1369         IEEE80211_HT_MAX_AMPDU_16K = 1,
1370         IEEE80211_HT_MAX_AMPDU_32K = 2,
1371         IEEE80211_HT_MAX_AMPDU_64K = 3
1372 };
1373
1374 /*
1375  * Maximum length of AMPDU that the STA can receive in VHT.
1376  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1377  */
1378 enum ieee80211_vht_max_ampdu_length_exp {
1379         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1380         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1381         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1382         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1383         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1384         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1385         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1386         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1387 };
1388
1389 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1390
1391 /* Minimum MPDU start spacing */
1392 enum ieee80211_min_mpdu_spacing {
1393         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1394         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1395         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1396         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1397         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1398         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1399         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1400         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1401 };
1402
1403 /**
1404  * struct ieee80211_ht_operation - HT operation IE
1405  *
1406  * This structure is the "HT operation element" as
1407  * described in 802.11n-2009 7.3.2.57
1408  */
1409 struct ieee80211_ht_operation {
1410         u8 primary_chan;
1411         u8 ht_param;
1412         __le16 operation_mode;
1413         __le16 stbc_param;
1414         u8 basic_set[16];
1415 } __packed;
1416
1417 /* for ht_param */
1418 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1419 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1420 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1421 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1422 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1423 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1424
1425 /* for operation_mode */
1426 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1427 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1428 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1429 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1430 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1431 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1432 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1433 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1434 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1435
1436 /* for stbc_param */
1437 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1438 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1439 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1440 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1441 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1442 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1443
1444
1445 /* block-ack parameters */
1446 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1447 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1448 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1449 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1450 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1451 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1452
1453 /*
1454  * A-PMDU buffer sizes
1455  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1456  */
1457 #define IEEE80211_MIN_AMPDU_BUF 0x8
1458 #define IEEE80211_MAX_AMPDU_BUF 0x40
1459
1460
1461 /* Spatial Multiplexing Power Save Modes (for capability) */
1462 #define WLAN_HT_CAP_SM_PS_STATIC        0
1463 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1464 #define WLAN_HT_CAP_SM_PS_INVALID       2
1465 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1466
1467 /* for SM power control field lower two bits */
1468 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1469 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1470 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1471
1472 /**
1473  * struct ieee80211_vht_mcs_info - VHT MCS information
1474  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1475  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1476  *      STA can receive. Rate expressed in units of 1 Mbps.
1477  *      If this field is 0 this value should not be used to
1478  *      consider the highest RX data rate supported.
1479  *      The top 3 bits of this field are reserved.
1480  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1481  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1482  *      STA can transmit. Rate expressed in units of 1 Mbps.
1483  *      If this field is 0 this value should not be used to
1484  *      consider the highest TX data rate supported.
1485  *      The top 3 bits of this field are reserved.
1486  */
1487 struct ieee80211_vht_mcs_info {
1488         __le16 rx_mcs_map;
1489         __le16 rx_highest;
1490         __le16 tx_mcs_map;
1491         __le16 tx_highest;
1492 } __packed;
1493
1494 /**
1495  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1496  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1497  *      number of streams
1498  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1499  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1500  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1501  *
1502  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1503  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1504  * both split into 8 subfields by number of streams. These values indicate
1505  * which MCSes are supported for the number of streams the value appears
1506  * for.
1507  */
1508 enum ieee80211_vht_mcs_support {
1509         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1510         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1511         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1512         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1513 };
1514
1515 /**
1516  * struct ieee80211_vht_cap - VHT capabilities
1517  *
1518  * This structure is the "VHT capabilities element" as
1519  * described in 802.11ac D3.0 8.4.2.160
1520  * @vht_cap_info: VHT capability info
1521  * @supp_mcs: VHT MCS supported rates
1522  */
1523 struct ieee80211_vht_cap {
1524         __le32 vht_cap_info;
1525         struct ieee80211_vht_mcs_info supp_mcs;
1526 } __packed;
1527
1528 /**
1529  * enum ieee80211_vht_chanwidth - VHT channel width
1530  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1531  *      determine the channel width (20 or 40 MHz)
1532  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1533  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1534  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1535  */
1536 enum ieee80211_vht_chanwidth {
1537         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1538         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1539         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1540         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1541 };
1542
1543 /**
1544  * struct ieee80211_vht_operation - VHT operation IE
1545  *
1546  * This structure is the "VHT operation element" as
1547  * described in 802.11ac D3.0 8.4.2.161
1548  * @chan_width: Operating channel width
1549  * @center_freq_seg0_idx: center freq segment 0 index
1550  * @center_freq_seg1_idx: center freq segment 1 index
1551  * @basic_mcs_set: VHT Basic MCS rate set
1552  */
1553 struct ieee80211_vht_operation {
1554         u8 chan_width;
1555         u8 center_freq_seg0_idx;
1556         u8 center_freq_seg1_idx;
1557         __le16 basic_mcs_set;
1558 } __packed;
1559
1560
1561 /* 802.11ac VHT Capabilities */
1562 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1563 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1564 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1565 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1566 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1567 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1568 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1569 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1570 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1571 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1572 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1573 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1574 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1575 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1576 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1577 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1578 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1579 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1580 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1581                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1582 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1583 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1584                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1585 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1586 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1587 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1588 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1589 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1590 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1591                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1592 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1593 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1594 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1595 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1596
1597 /* Authentication algorithms */
1598 #define WLAN_AUTH_OPEN 0
1599 #define WLAN_AUTH_SHARED_KEY 1
1600 #define WLAN_AUTH_FT 2
1601 #define WLAN_AUTH_SAE 3
1602 #define WLAN_AUTH_FILS_SK 4
1603 #define WLAN_AUTH_FILS_SK_PFS 5
1604 #define WLAN_AUTH_FILS_PK 6
1605 #define WLAN_AUTH_LEAP 128
1606
1607 #define WLAN_AUTH_CHALLENGE_LEN 128
1608
1609 #define WLAN_CAPABILITY_ESS             (1<<0)
1610 #define WLAN_CAPABILITY_IBSS            (1<<1)
1611
1612 /*
1613  * A mesh STA sets the ESS and IBSS capability bits to zero.
1614  * however, this holds true for p2p probe responses (in the p2p_find
1615  * phase) as well.
1616  */
1617 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1618         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1619
1620 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1621 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1622 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1623 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1624 #define WLAN_CAPABILITY_PBCC            (1<<6)
1625 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1626
1627 /* 802.11h */
1628 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1629 #define WLAN_CAPABILITY_QOS             (1<<9)
1630 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1631 #define WLAN_CAPABILITY_APSD            (1<<11)
1632 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1633 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1634 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1635 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1636
1637 /* DMG (60gHz) 802.11ad */
1638 /* type - bits 0..1 */
1639 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1640 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1641 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1642 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1643
1644 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1645 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1646 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1647 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1648
1649 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1650 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1651
1652 /* measurement */
1653 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1654 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1655 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1656
1657 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1658 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1659 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1660
1661 /* 802.11g ERP information element */
1662 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1663 #define WLAN_ERP_USE_PROTECTION (1<<1)
1664 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1665
1666 /* WLAN_ERP_BARKER_PREAMBLE values */
1667 enum {
1668         WLAN_ERP_PREAMBLE_SHORT = 0,
1669         WLAN_ERP_PREAMBLE_LONG = 1,
1670 };
1671
1672 /* Band ID, 802.11ad #8.4.1.45 */
1673 enum {
1674         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1675         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1676         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1677         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1678         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1679         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1680 };
1681
1682 /* Status codes */
1683 enum ieee80211_statuscode {
1684         WLAN_STATUS_SUCCESS = 0,
1685         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1686         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1687         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1688         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1689         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1690         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1691         WLAN_STATUS_CHALLENGE_FAIL = 15,
1692         WLAN_STATUS_AUTH_TIMEOUT = 16,
1693         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1694         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1695         /* 802.11b */
1696         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1697         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1698         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1699         /* 802.11h */
1700         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1701         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1702         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1703         /* 802.11g */
1704         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1705         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1706         /* 802.11w */
1707         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1708         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1709         /* 802.11i */
1710         WLAN_STATUS_INVALID_IE = 40,
1711         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1712         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1713         WLAN_STATUS_INVALID_AKMP = 43,
1714         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1715         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1716         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1717         /* 802.11e */
1718         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1719         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1720         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1721         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1722         WLAN_STATUS_REQUEST_DECLINED = 37,
1723         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1724         WLAN_STATUS_CHANGE_TSPEC = 39,
1725         WLAN_STATUS_WAIT_TS_DELAY = 47,
1726         WLAN_STATUS_NO_DIRECT_LINK = 48,
1727         WLAN_STATUS_STA_NOT_PRESENT = 49,
1728         WLAN_STATUS_STA_NOT_QSTA = 50,
1729         /* 802.11s */
1730         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1731         WLAN_STATUS_FCG_NOT_SUPP = 78,
1732         WLAN_STATUS_STA_NO_TBTT = 78,
1733         /* 802.11ad */
1734         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1735         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1736         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1737         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1738         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1739         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1740         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1741         WLAN_STATUS_REJECT_DSE_BAND = 96,
1742         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1743         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1744         /* 802.11ai */
1745         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
1746         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
1747 };
1748
1749
1750 /* Reason codes */
1751 enum ieee80211_reasoncode {
1752         WLAN_REASON_UNSPECIFIED = 1,
1753         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1754         WLAN_REASON_DEAUTH_LEAVING = 3,
1755         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1756         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1757         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1758         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1759         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1760         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1761         /* 802.11h */
1762         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1763         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1764         /* 802.11i */
1765         WLAN_REASON_INVALID_IE = 13,
1766         WLAN_REASON_MIC_FAILURE = 14,
1767         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1768         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1769         WLAN_REASON_IE_DIFFERENT = 17,
1770         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1771         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1772         WLAN_REASON_INVALID_AKMP = 20,
1773         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1774         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1775         WLAN_REASON_IEEE8021X_FAILED = 23,
1776         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1777         /* TDLS (802.11z) */
1778         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1779         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1780         /* 802.11e */
1781         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1782         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1783         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1784         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1785         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1786         WLAN_REASON_QSTA_NOT_USE = 37,
1787         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1788         WLAN_REASON_QSTA_TIMEOUT = 39,
1789         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1790         /* 802.11s */
1791         WLAN_REASON_MESH_PEER_CANCELED = 52,
1792         WLAN_REASON_MESH_MAX_PEERS = 53,
1793         WLAN_REASON_MESH_CONFIG = 54,
1794         WLAN_REASON_MESH_CLOSE = 55,
1795         WLAN_REASON_MESH_MAX_RETRIES = 56,
1796         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1797         WLAN_REASON_MESH_INVALID_GTK = 58,
1798         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1799         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1800         WLAN_REASON_MESH_PATH_ERROR = 61,
1801         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1802         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1803         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1804         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1805         WLAN_REASON_MESH_CHAN = 66,
1806 };
1807
1808
1809 /* Information Element IDs */
1810 enum ieee80211_eid {
1811         WLAN_EID_SSID = 0,
1812         WLAN_EID_SUPP_RATES = 1,
1813         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1814         WLAN_EID_DS_PARAMS = 3,
1815         WLAN_EID_CF_PARAMS = 4,
1816         WLAN_EID_TIM = 5,
1817         WLAN_EID_IBSS_PARAMS = 6,
1818         WLAN_EID_COUNTRY = 7,
1819         /* 8, 9 reserved */
1820         WLAN_EID_REQUEST = 10,
1821         WLAN_EID_QBSS_LOAD = 11,
1822         WLAN_EID_EDCA_PARAM_SET = 12,
1823         WLAN_EID_TSPEC = 13,
1824         WLAN_EID_TCLAS = 14,
1825         WLAN_EID_SCHEDULE = 15,
1826         WLAN_EID_CHALLENGE = 16,
1827         /* 17-31 reserved for challenge text extension */
1828         WLAN_EID_PWR_CONSTRAINT = 32,
1829         WLAN_EID_PWR_CAPABILITY = 33,
1830         WLAN_EID_TPC_REQUEST = 34,
1831         WLAN_EID_TPC_REPORT = 35,
1832         WLAN_EID_SUPPORTED_CHANNELS = 36,
1833         WLAN_EID_CHANNEL_SWITCH = 37,
1834         WLAN_EID_MEASURE_REQUEST = 38,
1835         WLAN_EID_MEASURE_REPORT = 39,
1836         WLAN_EID_QUIET = 40,
1837         WLAN_EID_IBSS_DFS = 41,
1838         WLAN_EID_ERP_INFO = 42,
1839         WLAN_EID_TS_DELAY = 43,
1840         WLAN_EID_TCLAS_PROCESSING = 44,
1841         WLAN_EID_HT_CAPABILITY = 45,
1842         WLAN_EID_QOS_CAPA = 46,
1843         /* 47 reserved for Broadcom */
1844         WLAN_EID_RSN = 48,
1845         WLAN_EID_802_15_COEX = 49,
1846         WLAN_EID_EXT_SUPP_RATES = 50,
1847         WLAN_EID_AP_CHAN_REPORT = 51,
1848         WLAN_EID_NEIGHBOR_REPORT = 52,
1849         WLAN_EID_RCPI = 53,
1850         WLAN_EID_MOBILITY_DOMAIN = 54,
1851         WLAN_EID_FAST_BSS_TRANSITION = 55,
1852         WLAN_EID_TIMEOUT_INTERVAL = 56,
1853         WLAN_EID_RIC_DATA = 57,
1854         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1855         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1856         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1857         WLAN_EID_HT_OPERATION = 61,
1858         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1859         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1860         WLAN_EID_ANTENNA_INFO = 64,
1861         WLAN_EID_RSNI = 65,
1862         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1863         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1864         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1865         WLAN_EID_TIME_ADVERTISEMENT = 69,
1866         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1867         WLAN_EID_MULTIPLE_BSSID = 71,
1868         WLAN_EID_BSS_COEX_2040 = 72,
1869         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1870         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1871         WLAN_EID_RIC_DESCRIPTOR = 75,
1872         WLAN_EID_MMIE = 76,
1873         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1874         WLAN_EID_EVENT_REQUEST = 78,
1875         WLAN_EID_EVENT_REPORT = 79,
1876         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1877         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1878         WLAN_EID_LOCATION_PARAMS = 82,
1879         WLAN_EID_NON_TX_BSSID_CAP =  83,
1880         WLAN_EID_SSID_LIST = 84,
1881         WLAN_EID_MULTI_BSSID_IDX = 85,
1882         WLAN_EID_FMS_DESCRIPTOR = 86,
1883         WLAN_EID_FMS_REQUEST = 87,
1884         WLAN_EID_FMS_RESPONSE = 88,
1885         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1886         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1887         WLAN_EID_TSF_REQUEST = 91,
1888         WLAN_EID_TSF_RESPOSNE = 92,
1889         WLAN_EID_WNM_SLEEP_MODE = 93,
1890         WLAN_EID_TIM_BCAST_REQ = 94,
1891         WLAN_EID_TIM_BCAST_RESP = 95,
1892         WLAN_EID_COLL_IF_REPORT = 96,
1893         WLAN_EID_CHANNEL_USAGE = 97,
1894         WLAN_EID_TIME_ZONE = 98,
1895         WLAN_EID_DMS_REQUEST = 99,
1896         WLAN_EID_DMS_RESPONSE = 100,
1897         WLAN_EID_LINK_ID = 101,
1898         WLAN_EID_WAKEUP_SCHEDUL = 102,
1899         /* 103 reserved */
1900         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1901         WLAN_EID_PTI_CONTROL = 105,
1902         WLAN_EID_PU_BUFFER_STATUS = 106,
1903         WLAN_EID_INTERWORKING = 107,
1904         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1905         WLAN_EID_EXPEDITED_BW_REQ = 109,
1906         WLAN_EID_QOS_MAP_SET = 110,
1907         WLAN_EID_ROAMING_CONSORTIUM = 111,
1908         WLAN_EID_EMERGENCY_ALERT = 112,
1909         WLAN_EID_MESH_CONFIG = 113,
1910         WLAN_EID_MESH_ID = 114,
1911         WLAN_EID_LINK_METRIC_REPORT = 115,
1912         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1913         WLAN_EID_PEER_MGMT = 117,
1914         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1915         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1916         WLAN_EID_BEACON_TIMING = 120,
1917         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1918         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1919         WLAN_EID_MCCAOP_ADVERT = 123,
1920         WLAN_EID_MCCAOP_TEARDOWN = 124,
1921         WLAN_EID_GANN = 125,
1922         WLAN_EID_RANN = 126,
1923         WLAN_EID_EXT_CAPABILITY = 127,
1924         /* 128, 129 reserved for Agere */
1925         WLAN_EID_PREQ = 130,
1926         WLAN_EID_PREP = 131,
1927         WLAN_EID_PERR = 132,
1928         /* 133-136 reserved for Cisco */
1929         WLAN_EID_PXU = 137,
1930         WLAN_EID_PXUC = 138,
1931         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1932         WLAN_EID_MIC = 140,
1933         WLAN_EID_DESTINATION_URI = 141,
1934         WLAN_EID_UAPSD_COEX = 142,
1935         WLAN_EID_WAKEUP_SCHEDULE = 143,
1936         WLAN_EID_EXT_SCHEDULE = 144,
1937         WLAN_EID_STA_AVAILABILITY = 145,
1938         WLAN_EID_DMG_TSPEC = 146,
1939         WLAN_EID_DMG_AT = 147,
1940         WLAN_EID_DMG_CAP = 148,
1941         /* 149 reserved for Cisco */
1942         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1943         WLAN_EID_DMG_OPERATION = 151,
1944         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1945         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1946         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1947         /* 155-156 reserved for Cisco */
1948         WLAN_EID_AWAKE_WINDOW = 157,
1949         WLAN_EID_MULTI_BAND = 158,
1950         WLAN_EID_ADDBA_EXT = 159,
1951         WLAN_EID_NEXT_PCP_LIST = 160,
1952         WLAN_EID_PCP_HANDOVER = 161,
1953         WLAN_EID_DMG_LINK_MARGIN = 162,
1954         WLAN_EID_SWITCHING_STREAM = 163,
1955         WLAN_EID_SESSION_TRANSITION = 164,
1956         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1957         WLAN_EID_CLUSTER_REPORT = 166,
1958         WLAN_EID_RELAY_CAP = 167,
1959         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1960         WLAN_EID_BEAM_LINK_MAINT = 169,
1961         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1962         WLAN_EID_U_PID = 171,
1963         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1964         /* 173 reserved for Symbol */
1965         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1966         WLAN_EID_QUIET_PERIOD_REQ = 175,
1967         /* 176 reserved for Symbol */
1968         WLAN_EID_QUIET_PERIOD_RESP = 177,
1969         /* 178-179 reserved for Symbol */
1970         /* 180 reserved for ISO/IEC 20011 */
1971         WLAN_EID_EPAC_POLICY = 182,
1972         WLAN_EID_CLISTER_TIME_OFF = 183,
1973         WLAN_EID_INTER_AC_PRIO = 184,
1974         WLAN_EID_SCS_DESCRIPTOR = 185,
1975         WLAN_EID_QLOAD_REPORT = 186,
1976         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1977         WLAN_EID_HL_STREAM_ID = 188,
1978         WLAN_EID_GCR_GROUP_ADDR = 189,
1979         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1980         WLAN_EID_VHT_CAPABILITY = 191,
1981         WLAN_EID_VHT_OPERATION = 192,
1982         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1983         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1984         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1985         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1986         WLAN_EID_AID = 197,
1987         WLAN_EID_QUIET_CHANNEL = 198,
1988         WLAN_EID_OPMODE_NOTIF = 199,
1989
1990         WLAN_EID_VENDOR_SPECIFIC = 221,
1991         WLAN_EID_QOS_PARAMETER = 222,
1992         WLAN_EID_CAG_NUMBER = 237,
1993         WLAN_EID_AP_CSN = 239,
1994         WLAN_EID_FILS_INDICATION = 240,
1995         WLAN_EID_DILS = 241,
1996         WLAN_EID_FRAGMENT = 242,
1997         WLAN_EID_EXTENSION = 255
1998 };
1999
2000 /* Element ID Extensions for Element ID 255 */
2001 enum ieee80211_eid_ext {
2002         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2003         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2004         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2005         WLAN_EID_EXT_FILS_SESSION = 4,
2006         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2007         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2008         WLAN_EID_EXT_KEY_DELIVERY = 7,
2009         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2010         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2011         WLAN_EID_EXT_FILS_NONCE = 13,
2012 };
2013
2014 /* Action category code */
2015 enum ieee80211_category {
2016         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2017         WLAN_CATEGORY_QOS = 1,
2018         WLAN_CATEGORY_DLS = 2,
2019         WLAN_CATEGORY_BACK = 3,
2020         WLAN_CATEGORY_PUBLIC = 4,
2021         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2022         WLAN_CATEGORY_HT = 7,
2023         WLAN_CATEGORY_SA_QUERY = 8,
2024         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2025         WLAN_CATEGORY_WNM = 10,
2026         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2027         WLAN_CATEGORY_TDLS = 12,
2028         WLAN_CATEGORY_MESH_ACTION = 13,
2029         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2030         WLAN_CATEGORY_SELF_PROTECTED = 15,
2031         WLAN_CATEGORY_DMG = 16,
2032         WLAN_CATEGORY_WMM = 17,
2033         WLAN_CATEGORY_FST = 18,
2034         WLAN_CATEGORY_UNPROT_DMG = 20,
2035         WLAN_CATEGORY_VHT = 21,
2036         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2037         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2038 };
2039
2040 /* SPECTRUM_MGMT action code */
2041 enum ieee80211_spectrum_mgmt_actioncode {
2042         WLAN_ACTION_SPCT_MSR_REQ = 0,
2043         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2044         WLAN_ACTION_SPCT_TPC_REQ = 2,
2045         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2046         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2047 };
2048
2049 /* HT action codes */
2050 enum ieee80211_ht_actioncode {
2051         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2052         WLAN_HT_ACTION_SMPS = 1,
2053         WLAN_HT_ACTION_PSMP = 2,
2054         WLAN_HT_ACTION_PCO_PHASE = 3,
2055         WLAN_HT_ACTION_CSI = 4,
2056         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2057         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2058         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2059 };
2060
2061 /* VHT action codes */
2062 enum ieee80211_vht_actioncode {
2063         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2064         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2065         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2066 };
2067
2068 /* Self Protected Action codes */
2069 enum ieee80211_self_protected_actioncode {
2070         WLAN_SP_RESERVED = 0,
2071         WLAN_SP_MESH_PEERING_OPEN = 1,
2072         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2073         WLAN_SP_MESH_PEERING_CLOSE = 3,
2074         WLAN_SP_MGK_INFORM = 4,
2075         WLAN_SP_MGK_ACK = 5,
2076 };
2077
2078 /* Mesh action codes */
2079 enum ieee80211_mesh_actioncode {
2080         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2081         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2082         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2083         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2084         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2085         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2086         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2087         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2088         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2089         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2090         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2091 };
2092
2093 /* Security key length */
2094 enum ieee80211_key_len {
2095         WLAN_KEY_LEN_WEP40 = 5,
2096         WLAN_KEY_LEN_WEP104 = 13,
2097         WLAN_KEY_LEN_CCMP = 16,
2098         WLAN_KEY_LEN_CCMP_256 = 32,
2099         WLAN_KEY_LEN_TKIP = 32,
2100         WLAN_KEY_LEN_AES_CMAC = 16,
2101         WLAN_KEY_LEN_SMS4 = 32,
2102         WLAN_KEY_LEN_GCMP = 16,
2103         WLAN_KEY_LEN_GCMP_256 = 32,
2104         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2105         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2106         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2107 };
2108
2109 #define IEEE80211_WEP_IV_LEN            4
2110 #define IEEE80211_WEP_ICV_LEN           4
2111 #define IEEE80211_CCMP_HDR_LEN          8
2112 #define IEEE80211_CCMP_MIC_LEN          8
2113 #define IEEE80211_CCMP_PN_LEN           6
2114 #define IEEE80211_CCMP_256_HDR_LEN      8
2115 #define IEEE80211_CCMP_256_MIC_LEN      16
2116 #define IEEE80211_CCMP_256_PN_LEN       6
2117 #define IEEE80211_TKIP_IV_LEN           8
2118 #define IEEE80211_TKIP_ICV_LEN          4
2119 #define IEEE80211_CMAC_PN_LEN           6
2120 #define IEEE80211_GMAC_PN_LEN           6
2121 #define IEEE80211_GCMP_HDR_LEN          8
2122 #define IEEE80211_GCMP_MIC_LEN          16
2123 #define IEEE80211_GCMP_PN_LEN           6
2124
2125 #define FILS_NONCE_LEN                  16
2126 #define FILS_MAX_KEK_LEN                64
2127
2128 #define FILS_ERP_MAX_USERNAME_LEN       16
2129 #define FILS_ERP_MAX_REALM_LEN          253
2130 #define FILS_ERP_MAX_RRK_LEN            64
2131
2132 #define PMK_MAX_LEN                     48
2133
2134 /* Public action codes */
2135 enum ieee80211_pub_actioncode {
2136         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2137         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2138 };
2139
2140 /* TDLS action codes */
2141 enum ieee80211_tdls_actioncode {
2142         WLAN_TDLS_SETUP_REQUEST = 0,
2143         WLAN_TDLS_SETUP_RESPONSE = 1,
2144         WLAN_TDLS_SETUP_CONFIRM = 2,
2145         WLAN_TDLS_TEARDOWN = 3,
2146         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2147         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2148         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2149         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2150         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2151         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2152         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2153 };
2154
2155 /* Extended Channel Switching capability to be set in the 1st byte of
2156  * the @WLAN_EID_EXT_CAPABILITY information element
2157  */
2158 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2159
2160 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2161 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2162 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2163 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2164
2165 /* Interworking capabilities are set in 7th bit of 4th byte of the
2166  * @WLAN_EID_EXT_CAPABILITY information element
2167  */
2168 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2169
2170 /*
2171  * TDLS capabililites to be enabled in the 5th byte of the
2172  * @WLAN_EID_EXT_CAPABILITY information element
2173  */
2174 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2175 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2176 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2177
2178 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2179 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2180
2181 /* Defines the maximal number of MSDUs in an A-MSDU. */
2182 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2183 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2184
2185 /*
2186  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2187  * information element
2188  */
2189 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2190
2191 /* TDLS specific payload type in the LLC/SNAP header */
2192 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2193
2194 /* BSS Coex IE information field bits */
2195 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2196
2197 /**
2198  * enum - mesh synchronization method identifier
2199  *
2200  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2201  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2202  *      that will be specified in a vendor specific information element
2203  */
2204 enum {
2205         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2206         IEEE80211_SYNC_METHOD_VENDOR = 255,
2207 };
2208
2209 /**
2210  * enum - mesh path selection protocol identifier
2211  *
2212  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2213  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2214  *      be specified in a vendor specific information element
2215  */
2216 enum {
2217         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2218         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2219 };
2220
2221 /**
2222  * enum - mesh path selection metric identifier
2223  *
2224  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2225  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2226  *      specified in a vendor specific information element
2227  */
2228 enum {
2229         IEEE80211_PATH_METRIC_AIRTIME = 1,
2230         IEEE80211_PATH_METRIC_VENDOR = 255,
2231 };
2232
2233 /**
2234  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2235  *
2236  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2237  *
2238  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2239  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2240  *      this value
2241  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2242  *      the proactive PREQ with proactive PREP subfield set to 0
2243  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2244  *      supports the proactive PREQ with proactive PREP subfield set to 1
2245  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2246  *      the proactive RANN
2247  */
2248 enum ieee80211_root_mode_identifier {
2249         IEEE80211_ROOTMODE_NO_ROOT = 0,
2250         IEEE80211_ROOTMODE_ROOT = 1,
2251         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2252         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2253         IEEE80211_PROACTIVE_RANN = 4,
2254 };
2255
2256 /*
2257  * IEEE 802.11-2007 7.3.2.9 Country information element
2258  *
2259  * Minimum length is 8 octets, ie len must be evenly
2260  * divisible by 2
2261  */
2262
2263 /* Although the spec says 8 I'm seeing 6 in practice */
2264 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2265
2266 /* The Country String field of the element shall be 3 octets in length */
2267 #define IEEE80211_COUNTRY_STRING_LEN    3
2268
2269 /*
2270  * For regulatory extension stuff see IEEE 802.11-2007
2271  * Annex I (page 1141) and Annex J (page 1147). Also
2272  * review 7.3.2.9.
2273  *
2274  * When dot11RegulatoryClassesRequired is true and the
2275  * first_channel/reg_extension_id is >= 201 then the IE
2276  * compromises of the 'ext' struct represented below:
2277  *
2278  *  - Regulatory extension ID - when generating IE this just needs
2279  *    to be monotonically increasing for each triplet passed in
2280  *    the IE
2281  *  - Regulatory class - index into set of rules
2282  *  - Coverage class - index into air propagation time (Table 7-27),
2283  *    in microseconds, you can compute the air propagation time from
2284  *    the index by multiplying by 3, so index 10 yields a propagation
2285  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2286  *    yet. A value of 0 inicates air propagation of <= 1 us.
2287  *
2288  *  See also Table I.2 for Emission limit sets and table
2289  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2290  *  a reg_class to an emission limit set and behavior limit set.
2291  */
2292 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2293
2294 /*
2295  *  Channels numbers in the IE must be monotonically increasing
2296  *  if dot11RegulatoryClassesRequired is not true.
2297  *
2298  *  If dot11RegulatoryClassesRequired is true consecutive
2299  *  subband triplets following a regulatory triplet shall
2300  *  have monotonically increasing first_channel number fields.
2301  *
2302  *  Channel numbers shall not overlap.
2303  *
2304  *  Note that max_power is signed.
2305  */
2306 struct ieee80211_country_ie_triplet {
2307         union {
2308                 struct {
2309                         u8 first_channel;
2310                         u8 num_channels;
2311                         s8 max_power;
2312                 } __packed chans;
2313                 struct {
2314                         u8 reg_extension_id;
2315                         u8 reg_class;
2316                         u8 coverage_class;
2317                 } __packed ext;
2318         };
2319 } __packed;
2320
2321 enum ieee80211_timeout_interval_type {
2322         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2323         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2324         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2325 };
2326
2327 /**
2328  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2329  * @type: type, see &enum ieee80211_timeout_interval_type
2330  * @value: timeout interval value
2331  */
2332 struct ieee80211_timeout_interval_ie {
2333         u8 type;
2334         __le32 value;
2335 } __packed;
2336
2337 /* BACK action code */
2338 enum ieee80211_back_actioncode {
2339         WLAN_ACTION_ADDBA_REQ = 0,
2340         WLAN_ACTION_ADDBA_RESP = 1,
2341         WLAN_ACTION_DELBA = 2,
2342 };
2343
2344 /* BACK (block-ack) parties */
2345 enum ieee80211_back_parties {
2346         WLAN_BACK_RECIPIENT = 0,
2347         WLAN_BACK_INITIATOR = 1,
2348 };
2349
2350 /* SA Query action */
2351 enum ieee80211_sa_query_action {
2352         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2353         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2354 };
2355
2356 #define SUITE(oui, id) (((oui) << 8) | (id))
2357
2358 /* cipher suite selectors */
2359 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2360 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2361 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2362 /* reserved:                            SUITE(0x000FAC, 3) */
2363 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2364 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2365 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2366 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2367 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2368 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2369 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2370 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2371 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2372
2373 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2374
2375 /* AKM suite selectors */
2376 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2377 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2378 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2379 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2380 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2381 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2382 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2383 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2384 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2385 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2386 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2387 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2388 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2389 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2390 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2391
2392 #define WLAN_MAX_KEY_LEN                32
2393
2394 #define WLAN_PMKID_LEN                  16
2395
2396 #define WLAN_OUI_WFA                    0x506f9a
2397 #define WLAN_OUI_TYPE_WFA_P2P           9
2398 #define WLAN_OUI_MICROSOFT              0x0050f2
2399 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2400 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2401 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2402
2403 /*
2404  * WMM/802.11e Tspec Element
2405  */
2406 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2407 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2408
2409 enum ieee80211_tspec_status_code {
2410         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2411         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2412 };
2413
2414 struct ieee80211_tspec_ie {
2415         u8 element_id;
2416         u8 len;
2417         u8 oui[3];
2418         u8 oui_type;
2419         u8 oui_subtype;
2420         u8 version;
2421         __le16 tsinfo;
2422         u8 tsinfo_resvd;
2423         __le16 nominal_msdu;
2424         __le16 max_msdu;
2425         __le32 min_service_int;
2426         __le32 max_service_int;
2427         __le32 inactivity_int;
2428         __le32 suspension_int;
2429         __le32 service_start_time;
2430         __le32 min_data_rate;
2431         __le32 mean_data_rate;
2432         __le32 peak_data_rate;
2433         __le32 max_burst_size;
2434         __le32 delay_bound;
2435         __le32 min_phy_rate;
2436         __le16 sba;
2437         __le16 medium_time;
2438 } __packed;
2439
2440 /**
2441  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2442  * @hdr: the frame
2443  *
2444  * The qos ctrl bytes come after the frame_control, duration, seq_num
2445  * and 3 or 4 addresses of length ETH_ALEN.
2446  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2447  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2448  */
2449 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2450 {
2451         if (ieee80211_has_a4(hdr->frame_control))
2452                 return (u8 *)hdr + 30;
2453         else
2454                 return (u8 *)hdr + 24;
2455 }
2456
2457 /**
2458  * ieee80211_get_SA - get pointer to SA
2459  * @hdr: the frame
2460  *
2461  * Given an 802.11 frame, this function returns the offset
2462  * to the source address (SA). It does not verify that the
2463  * header is long enough to contain the address, and the
2464  * header must be long enough to contain the frame control
2465  * field.
2466  */
2467 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2468 {
2469         if (ieee80211_has_a4(hdr->frame_control))
2470                 return hdr->addr4;
2471         if (ieee80211_has_fromds(hdr->frame_control))
2472                 return hdr->addr3;
2473         return hdr->addr2;
2474 }
2475
2476 /**
2477  * ieee80211_get_DA - get pointer to DA
2478  * @hdr: the frame
2479  *
2480  * Given an 802.11 frame, this function returns the offset
2481  * to the destination address (DA). It does not verify that
2482  * the header is long enough to contain the address, and the
2483  * header must be long enough to contain the frame control
2484  * field.
2485  */
2486 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2487 {
2488         if (ieee80211_has_tods(hdr->frame_control))
2489                 return hdr->addr3;
2490         else
2491                 return hdr->addr1;
2492 }
2493
2494 /**
2495  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2496  * @hdr: the frame (buffer must include at least the first octet of payload)
2497  */
2498 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2499 {
2500         if (ieee80211_is_disassoc(hdr->frame_control) ||
2501             ieee80211_is_deauth(hdr->frame_control))
2502                 return true;
2503
2504         if (ieee80211_is_action(hdr->frame_control)) {
2505                 u8 *category;
2506
2507                 /*
2508                  * Action frames, excluding Public Action frames, are Robust
2509                  * Management Frames. However, if we are looking at a Protected
2510                  * frame, skip the check since the data may be encrypted and
2511                  * the frame has already been found to be a Robust Management
2512                  * Frame (by the other end).
2513                  */
2514                 if (ieee80211_has_protected(hdr->frame_control))
2515                         return true;
2516                 category = ((u8 *) hdr) + 24;
2517                 return *category != WLAN_CATEGORY_PUBLIC &&
2518                         *category != WLAN_CATEGORY_HT &&
2519                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2520                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2521                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2522                         *category != WLAN_CATEGORY_VHT &&
2523                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2524         }
2525
2526         return false;
2527 }
2528
2529 /**
2530  * ieee80211_is_public_action - check if frame is a public action frame
2531  * @hdr: the frame
2532  * @len: length of the frame
2533  */
2534 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2535                                               size_t len)
2536 {
2537         struct ieee80211_mgmt *mgmt = (void *)hdr;
2538
2539         if (len < IEEE80211_MIN_ACTION_SIZE)
2540                 return false;
2541         if (!ieee80211_is_action(hdr->frame_control))
2542                 return false;
2543         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2544 }
2545
2546 static inline bool is_multicast_ether_addr(const u8 *a)
2547 {
2548         return 0x01 & a[0];
2549 }
2550
2551 /**
2552  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2553  * privacy action frame
2554  * @hdr: the frame
2555  */
2556 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2557 {
2558         struct ieee80211_mgmt *mgmt = (void *)hdr;
2559
2560         if (!ieee80211_is_action(hdr->frame_control) ||
2561             !is_multicast_ether_addr(hdr->addr1))
2562                 return false;
2563
2564         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2565                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2566 }
2567
2568 /**
2569  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2570  * @tu: the TUs
2571  */
2572 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2573 {
2574         return 1024 * tu;
2575 }
2576
2577 /**
2578  * ieee80211_check_tim - check if AID bit is set in TIM
2579  * @tim: the TIM IE
2580  * @tim_len: length of the TIM IE
2581  * @aid: the AID to look for
2582  */
2583 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2584                                        u8 tim_len, u16 aid)
2585 {
2586         u8 mask;
2587         u8 indexn0, indexn1, indexn2;
2588
2589         if (unlikely(!tim || tim_len < sizeof(*tim)))
2590                 return false;
2591
2592         aid &= 0x3fff;
2593         indexn0 = aid / 8;
2594         mask  = 1 << (aid & 7);
2595
2596         indexn1 = tim->bitmap_ctrl & 0xfe;
2597         indexn2 = tim_len + indexn1 - 4;
2598
2599         if (indexn0 < indexn1 || indexn0 > indexn2)
2600                 return false;
2601
2602         indexn0 -= indexn1;
2603
2604         return !!(tim->virtual_map[indexn0] & mask);
2605 }
2606
2607 /* convert time units */
2608 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
2609 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
2610
2611 #endif /* __LINUX_IEEE80211_H */