include/linux/ieee80211.h

   1 /*
   2  * IEEE 802.11 defines
   3  *
   4  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   5  * <jkmaline@cc.hut.fi>
   6  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2005, Devicescape Software, Inc.
   8  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   9  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  10  * Copyright (c) 2016 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 #include <linux/types.h>
  21 #include <linux/if_ether.h>
  22 #include <asm/byteorder.h>
  23 #include <asm/unaligned.h>
  24
  25 /*
  26  * DS bit usage
  27  *
  28  * TA = transmitter address
  29  * RA = receiver address
  30  * DA = destination address
  31  * SA = source address
  32  *
  33  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  34  * -----------------------------------------------------------------
  35  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  36  *  0       1       DA      BSSID   SA      -       AP -> STA
  37  *  1       0       BSSID   SA      DA      -       AP <- STA
  38  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  39  */
  40
  41 #define FCS_LEN 4
  42
  43 #define IEEE80211_FCTL_VERS             0x0003
  44 #define IEEE80211_FCTL_FTYPE            0x000c
  45 #define IEEE80211_FCTL_STYPE            0x00f0
  46 #define IEEE80211_FCTL_TODS             0x0100
  47 #define IEEE80211_FCTL_FROMDS           0x0200
  48 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  49 #define IEEE80211_FCTL_RETRY            0x0800
  50 #define IEEE80211_FCTL_PM               0x1000
  51 #define IEEE80211_FCTL_MOREDATA         0x2000
  52 #define IEEE80211_FCTL_PROTECTED        0x4000
  53 #define IEEE80211_FCTL_ORDER            0x8000
  54 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  55
  56 #define IEEE80211_SCTL_FRAG             0x000F
  57 #define IEEE80211_SCTL_SEQ              0xFFF0
  58
  59 #define IEEE80211_FTYPE_MGMT            0x0000
  60 #define IEEE80211_FTYPE_CTL             0x0004
  61 #define IEEE80211_FTYPE_DATA            0x0008
  62 #define IEEE80211_FTYPE_EXT             0x000c
  63
  64 /* management */
  65 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  66 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  67 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  68 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  69 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  70 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  71 #define IEEE80211_STYPE_BEACON          0x0080
  72 #define IEEE80211_STYPE_ATIM            0x0090
  73 #define IEEE80211_STYPE_DISASSOC        0x00A0
  74 #define IEEE80211_STYPE_AUTH            0x00B0
  75 #define IEEE80211_STYPE_DEAUTH          0x00C0
  76 #define IEEE80211_STYPE_ACTION          0x00D0
  77
  78 /* control */
  79 #define IEEE80211_STYPE_CTL_EXT         0x0060
  80 #define IEEE80211_STYPE_BACK_REQ        0x0080
  81 #define IEEE80211_STYPE_BACK            0x0090
  82 #define IEEE80211_STYPE_PSPOLL          0x00A0
  83 #define IEEE80211_STYPE_RTS             0x00B0
  84 #define IEEE80211_STYPE_CTS             0x00C0
  85 #define IEEE80211_STYPE_ACK             0x00D0
  86 #define IEEE80211_STYPE_CFEND           0x00E0
  87 #define IEEE80211_STYPE_CFENDACK        0x00F0
  88
  89 /* data */
  90 #define IEEE80211_STYPE_DATA                    0x0000
  91 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  92 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  93 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  94 #define IEEE80211_STYPE_NULLFUNC                0x0040
  95 #define IEEE80211_STYPE_CFACK                   0x0050
  96 #define IEEE80211_STYPE_CFPOLL                  0x0060
  97 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  98 #define IEEE80211_STYPE_QOS_DATA                0x0080
  99 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 100 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 101 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 102 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 103 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 104 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 105 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 106
 107 /* extension, added by 802.11ad */
 108 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 109
 110 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 111 #define IEEE80211_CTL_EXT_POLL          0x2000
 112 #define IEEE80211_CTL_EXT_SPR           0x3000
 113 #define IEEE80211_CTL_EXT_GRANT 0x4000
 114 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 115 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 116 #define IEEE80211_CTL_EXT_SSW           0x8000
 117 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 118 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 119
 120
 121 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 122 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 123 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 124
 125 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 126 {
 127         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 128 }
 129
 130 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 131 {
 132         return (sn1 + sn2) & IEEE80211_SN_MASK;
 133 }
 134
 135 static inline u16 ieee80211_sn_inc(u16 sn)
 136 {
 137         return ieee80211_sn_add(sn, 1);
 138 }
 139
 140 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 141 {
 142         return (sn1 - sn2) & IEEE80211_SN_MASK;
 143 }
 144
 145 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 146 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 147
 148 /* miscellaneous IEEE 802.11 constants */
 149 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 150 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 151 #define IEEE80211_MAX_AID               2007
 152 #define IEEE80211_MAX_TIM_LEN           251
 153 #define IEEE80211_MAX_MESH_PEERINGS     63
 154 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 155    6.2.1.1.2.
 156
 157    802.11e clarifies the figure in section 7.1.2. The frame body is
 158    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 159 #define IEEE80211_MAX_DATA_LEN          2304
 160 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 161  * to 7920 bytes, see 8.2.3 General frame format
 162  */
 163 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 164 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 165 #define IEEE80211_MAX_FRAME_LEN         2352
 166
 167 /* Maximal size of an A-MSDU */
 168 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 169 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 170
 171 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 172 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 173 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 174
 175 #define IEEE80211_MAX_SSID_LEN          32
 176
 177 #define IEEE80211_MAX_MESH_ID_LEN       32
 178
 179 #define IEEE80211_FIRST_TSPEC_TSID      8
 180 #define IEEE80211_NUM_TIDS              16
 181
 182 /* number of user priorities 802.11 uses */
 183 #define IEEE80211_NUM_UPS               8
 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 /* Mesh Power Save Level */
 204 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 205 /* Mesh Receiver Service Period Initiated */
 206 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 207
 208 /* U-APSD queue for WMM IEs sent by AP */
 209 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 210 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 211
 212 /* U-APSD queues for WMM IEs sent by STA */
 213 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 214 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 215 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 216 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 218
 219 /* U-APSD max SP length for WMM IEs sent by STA */
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 222 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 223 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 226
 227 #define IEEE80211_HT_CTL_LEN            4
 228
 229 struct ieee80211_hdr {
 230         __le16 frame_control;
 231         __le16 duration_id;
 232         u8 addr1[ETH_ALEN];
 233         u8 addr2[ETH_ALEN];
 234         u8 addr3[ETH_ALEN];
 235         __le16 seq_ctrl;
 236         u8 addr4[ETH_ALEN];
 237 } __packed __aligned(2);
 238
 239 struct ieee80211_hdr_3addr {
 240         __le16 frame_control;
 241         __le16 duration_id;
 242         u8 addr1[ETH_ALEN];
 243         u8 addr2[ETH_ALEN];
 244         u8 addr3[ETH_ALEN];
 245         __le16 seq_ctrl;
 246 } __packed __aligned(2);
 247
 248 struct ieee80211_qos_hdr {
 249         __le16 frame_control;
 250         __le16 duration_id;
 251         u8 addr1[ETH_ALEN];
 252         u8 addr2[ETH_ALEN];
 253         u8 addr3[ETH_ALEN];
 254         __le16 seq_ctrl;
 255         __le16 qos_ctrl;
 256 } __packed __aligned(2);
 257
 258 /**
 259  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 260  * @fc: frame control bytes in little-endian byteorder
 261  */
 262 static inline bool ieee80211_has_tods(__le16 fc)
 263 {
 264         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 265 }
 266
 267 /**
 268  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 269  * @fc: frame control bytes in little-endian byteorder
 270  */
 271 static inline bool ieee80211_has_fromds(__le16 fc)
 272 {
 273         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 274 }
 275
 276 /**
 277  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 278  * @fc: frame control bytes in little-endian byteorder
 279  */
 280 static inline bool ieee80211_has_a4(__le16 fc)
 281 {
 282         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 283         return (fc & tmp) == tmp;
 284 }
 285
 286 /**
 287  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 288  * @fc: frame control bytes in little-endian byteorder
 289  */
 290 static inline bool ieee80211_has_morefrags(__le16 fc)
 291 {
 292         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 293 }
 294
 295 /**
 296  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 297  * @fc: frame control bytes in little-endian byteorder
 298  */
 299 static inline bool ieee80211_has_retry(__le16 fc)
 300 {
 301         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 302 }
 303
 304 /**
 305  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 306  * @fc: frame control bytes in little-endian byteorder
 307  */
 308 static inline bool ieee80211_has_pm(__le16 fc)
 309 {
 310         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 311 }
 312
 313 /**
 314  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 315  * @fc: frame control bytes in little-endian byteorder
 316  */
 317 static inline bool ieee80211_has_moredata(__le16 fc)
 318 {
 319         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 320 }
 321
 322 /**
 323  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 324  * @fc: frame control bytes in little-endian byteorder
 325  */
 326 static inline bool ieee80211_has_protected(__le16 fc)
 327 {
 328         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 329 }
 330
 331 /**
 332  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 333  * @fc: frame control bytes in little-endian byteorder
 334  */
 335 static inline bool ieee80211_has_order(__le16 fc)
 336 {
 337         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 338 }
 339
 340 /**
 341  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 342  * @fc: frame control bytes in little-endian byteorder
 343  */
 344 static inline bool ieee80211_is_mgmt(__le16 fc)
 345 {
 346         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 347                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 348 }
 349
 350 /**
 351  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 352  * @fc: frame control bytes in little-endian byteorder
 353  */
 354 static inline bool ieee80211_is_ctl(__le16 fc)
 355 {
 356         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 357                cpu_to_le16(IEEE80211_FTYPE_CTL);
 358 }
 359
 360 /**
 361  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 362  * @fc: frame control bytes in little-endian byteorder
 363  */
 364 static inline bool ieee80211_is_data(__le16 fc)
 365 {
 366         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 367                cpu_to_le16(IEEE80211_FTYPE_DATA);
 368 }
 369
 370 /**
 371  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 372  * @fc: frame control bytes in little-endian byteorder
 373  */
 374 static inline bool ieee80211_is_data_qos(__le16 fc)
 375 {
 376         /*
 377          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 378          * to check the one bit
 379          */
 380         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 381                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 382 }
 383
 384 /**
 385  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 386  * @fc: frame control bytes in little-endian byteorder
 387  */
 388 static inline bool ieee80211_is_data_present(__le16 fc)
 389 {
 390         /*
 391          * mask with 0x40 and test that that bit is clear to only return true
 392          * for the data-containing substypes.
 393          */
 394         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 395                cpu_to_le16(IEEE80211_FTYPE_DATA);
 396 }
 397
 398 /**
 399  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 400  * @fc: frame control bytes in little-endian byteorder
 401  */
 402 static inline bool ieee80211_is_assoc_req(__le16 fc)
 403 {
 404         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 405                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 406 }
 407
 408 /**
 409  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 410  * @fc: frame control bytes in little-endian byteorder
 411  */
 412 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 413 {
 414         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 415                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 416 }
 417
 418 /**
 419  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 420  * @fc: frame control bytes in little-endian byteorder
 421  */
 422 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 423 {
 424         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 425                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 426 }
 427
 428 /**
 429  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 430  * @fc: frame control bytes in little-endian byteorder
 431  */
 432 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 433 {
 434         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 435                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 436 }
 437
 438 /**
 439  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 440  * @fc: frame control bytes in little-endian byteorder
 441  */
 442 static inline bool ieee80211_is_probe_req(__le16 fc)
 443 {
 444         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 445                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 446 }
 447
 448 /**
 449  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 450  * @fc: frame control bytes in little-endian byteorder
 451  */
 452 static inline bool ieee80211_is_probe_resp(__le16 fc)
 453 {
 454         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 455                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 456 }
 457
 458 /**
 459  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 460  * @fc: frame control bytes in little-endian byteorder
 461  */
 462 static inline bool ieee80211_is_beacon(__le16 fc)
 463 {
 464         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 465                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 466 }
 467
 468 /**
 469  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 470  * @fc: frame control bytes in little-endian byteorder
 471  */
 472 static inline bool ieee80211_is_atim(__le16 fc)
 473 {
 474         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 475                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 476 }
 477
 478 /**
 479  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 480  * @fc: frame control bytes in little-endian byteorder
 481  */
 482 static inline bool ieee80211_is_disassoc(__le16 fc)
 483 {
 484         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 485                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 486 }
 487
 488 /**
 489  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 490  * @fc: frame control bytes in little-endian byteorder
 491  */
 492 static inline bool ieee80211_is_auth(__le16 fc)
 493 {
 494         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 495                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 496 }
 497
 498 /**
 499  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 500  * @fc: frame control bytes in little-endian byteorder
 501  */
 502 static inline bool ieee80211_is_deauth(__le16 fc)
 503 {
 504         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 505                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 506 }
 507
 508 /**
 509  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 510  * @fc: frame control bytes in little-endian byteorder
 511  */
 512 static inline bool ieee80211_is_action(__le16 fc)
 513 {
 514         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 515                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 516 }
 517
 518 /**
 519  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 520  * @fc: frame control bytes in little-endian byteorder
 521  */
 522 static inline bool ieee80211_is_back_req(__le16 fc)
 523 {
 524         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 525                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 526 }
 527
 528 /**
 529  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 530  * @fc: frame control bytes in little-endian byteorder
 531  */
 532 static inline bool ieee80211_is_back(__le16 fc)
 533 {
 534         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 535                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 536 }
 537
 538 /**
 539  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 540  * @fc: frame control bytes in little-endian byteorder
 541  */
 542 static inline bool ieee80211_is_pspoll(__le16 fc)
 543 {
 544         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 545                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 546 }
 547
 548 /**
 549  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 550  * @fc: frame control bytes in little-endian byteorder
 551  */
 552 static inline bool ieee80211_is_rts(__le16 fc)
 553 {
 554         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 555                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 556 }
 557
 558 /**
 559  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 560  * @fc: frame control bytes in little-endian byteorder
 561  */
 562 static inline bool ieee80211_is_cts(__le16 fc)
 563 {
 564         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 565                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 566 }
 567
 568 /**
 569  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 570  * @fc: frame control bytes in little-endian byteorder
 571  */
 572 static inline bool ieee80211_is_ack(__le16 fc)
 573 {
 574         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 575                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 576 }
 577
 578 /**
 579  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 580  * @fc: frame control bytes in little-endian byteorder
 581  */
 582 static inline bool ieee80211_is_cfend(__le16 fc)
 583 {
 584         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 585                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 586 }
 587
 588 /**
 589  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 590  * @fc: frame control bytes in little-endian byteorder
 591  */
 592 static inline bool ieee80211_is_cfendack(__le16 fc)
 593 {
 594         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 595                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 596 }
 597
 598 /**
 599  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 600  * @fc: frame control bytes in little-endian byteorder
 601  */
 602 static inline bool ieee80211_is_nullfunc(__le16 fc)
 603 {
 604         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 605                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 606 }
 607
 608 /**
 609  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 610  * @fc: frame control bytes in little-endian byteorder
 611  */
 612 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 613 {
 614         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 615                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 616 }
 617
 618 /**
 619  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 620  * @fc: frame control field in little-endian byteorder
 621  */
 622 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 623 {
 624         /* IEEE 802.11-2012, definition of "bufferable management frame";
 625          * note that this ignores the IBSS special case. */
 626         return ieee80211_is_mgmt(fc) &&
 627                (ieee80211_is_action(fc) ||
 628                 ieee80211_is_disassoc(fc) ||
 629                 ieee80211_is_deauth(fc));
 630 }
 631
 632 /**
 633  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 634  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 635  */
 636 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 637 {
 638         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 639 }
 640
 641 /**
 642  * ieee80211_is_frag - check if a frame is a fragment
 643  * @hdr: 802.11 header of the frame
 644  */
 645 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 646 {
 647         return ieee80211_has_morefrags(hdr->frame_control) ||
 648                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 649 }
 650
 651 struct ieee80211s_hdr {
 652         u8 flags;
 653         u8 ttl;
 654         __le32 seqnum;
 655         u8 eaddr1[ETH_ALEN];
 656         u8 eaddr2[ETH_ALEN];
 657 } __packed __aligned(2);
 658
 659 /* Mesh flags */
 660 #define MESH_FLAGS_AE_A4        0x1
 661 #define MESH_FLAGS_AE_A5_A6     0x2
 662 #define MESH_FLAGS_AE           0x3
 663 #define MESH_FLAGS_PS_DEEP      0x4
 664
 665 /**
 666  * enum ieee80211_preq_flags - mesh PREQ element flags
 667  *
 668  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 669  */
 670 enum ieee80211_preq_flags {
 671         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 672 };
 673
 674 /**
 675  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 676  *
 677  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 678  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 679  */
 680 enum ieee80211_preq_target_flags {
 681         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 682         IEEE80211_PREQ_USN_FLAG = 1<<2,
 683 };
 684
 685 /**
 686  * struct ieee80211_quiet_ie
 687  *
 688  * This structure refers to "Quiet information element"
 689  */
 690 struct ieee80211_quiet_ie {
 691         u8 count;
 692         u8 period;
 693         __le16 duration;
 694         __le16 offset;
 695 } __packed;
 696
 697 /**
 698  * struct ieee80211_msrment_ie
 699  *
 700  * This structure refers to "Measurement Request/Report information element"
 701  */
 702 struct ieee80211_msrment_ie {
 703         u8 token;
 704         u8 mode;
 705         u8 type;
 706         u8 request[0];
 707 } __packed;
 708
 709 /**
 710  * struct ieee80211_channel_sw_ie
 711  *
 712  * This structure refers to "Channel Switch Announcement information element"
 713  */
 714 struct ieee80211_channel_sw_ie {
 715         u8 mode;
 716         u8 new_ch_num;
 717         u8 count;
 718 } __packed;
 719
 720 /**
 721  * struct ieee80211_ext_chansw_ie
 722  *
 723  * This structure represents the "Extended Channel Switch Announcement element"
 724  */
 725 struct ieee80211_ext_chansw_ie {
 726         u8 mode;
 727         u8 new_operating_class;
 728         u8 new_ch_num;
 729         u8 count;
 730 } __packed;
 731
 732 /**
 733  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 734  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 735  *      values here
 736  * This structure represents the "Secondary Channel Offset element"
 737  */
 738 struct ieee80211_sec_chan_offs_ie {
 739         u8 sec_chan_offs;
 740 } __packed;
 741
 742 /**
 743  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 744  *
 745  * This structure represents the "Mesh Channel Switch Paramters element"
 746  */
 747 struct ieee80211_mesh_chansw_params_ie {
 748         u8 mesh_ttl;
 749         u8 mesh_flags;
 750         __le16 mesh_reason;
 751         __le16 mesh_pre_value;
 752 } __packed;
 753
 754 /**
 755  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 756  */
 757 struct ieee80211_wide_bw_chansw_ie {
 758         u8 new_channel_width;
 759         u8 new_center_freq_seg0, new_center_freq_seg1;
 760 } __packed;
 761
 762 /**
 763  * struct ieee80211_tim
 764  *
 765  * This structure refers to "Traffic Indication Map information element"
 766  */
 767 struct ieee80211_tim_ie {
 768         u8 dtim_count;
 769         u8 dtim_period;
 770         u8 bitmap_ctrl;
 771         /* variable size: 1 - 251 bytes */
 772         u8 virtual_map[1];
 773 } __packed;
 774
 775 /**
 776  * struct ieee80211_meshconf_ie
 777  *
 778  * This structure refers to "Mesh Configuration information element"
 779  */
 780 struct ieee80211_meshconf_ie {
 781         u8 meshconf_psel;
 782         u8 meshconf_pmetric;
 783         u8 meshconf_congest;
 784         u8 meshconf_synch;
 785         u8 meshconf_auth;
 786         u8 meshconf_form;
 787         u8 meshconf_cap;
 788 } __packed;
 789
 790 /**
 791  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 792  *
 793  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 794  *      additional mesh peerings with other mesh STAs
 795  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 796  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 797  *      is ongoing
 798  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 799  *      neighbors in deep sleep mode
 800  */
 801 enum mesh_config_capab_flags {
 802         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 803         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 804         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 805         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 806 };
 807
 808 /**
 809  * mesh channel switch parameters element's flag indicator
 810  *
 811  */
 812 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 813 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 814 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 815
 816 /**
 817  * struct ieee80211_rann_ie
 818  *
 819  * This structure refers to "Root Announcement information element"
 820  */
 821 struct ieee80211_rann_ie {
 822         u8 rann_flags;
 823         u8 rann_hopcount;
 824         u8 rann_ttl;
 825         u8 rann_addr[ETH_ALEN];
 826         __le32 rann_seq;
 827         __le32 rann_interval;
 828         __le32 rann_metric;
 829 } __packed;
 830
 831 enum ieee80211_rann_flags {
 832         RANN_FLAG_IS_GATE = 1 << 0,
 833 };
 834
 835 enum ieee80211_ht_chanwidth_values {
 836         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 837         IEEE80211_HT_CHANWIDTH_ANY = 1,
 838 };
 839
 840 /**
 841  * enum ieee80211_opmode_bits - VHT operating mode field bits
 842  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 843  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 844  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 845  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 846  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 847  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 848  *      (the NSS value is the value of this field + 1)
 849  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 850  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 851  *      using a beamforming steering matrix
 852  */
 853 enum ieee80211_vht_opmode_bits {
 854         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 855         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 856         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 857         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 858         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 859         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 860         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 861         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 862 };
 863
 864 #define WLAN_SA_QUERY_TR_ID_LEN 2
 865 #define WLAN_MEMBERSHIP_LEN 8
 866 #define WLAN_USER_POSITION_LEN 16
 867
 868 /**
 869  * struct ieee80211_tpc_report_ie
 870  *
 871  * This structure refers to "TPC Report element"
 872  */
 873 struct ieee80211_tpc_report_ie {
 874         u8 tx_power;
 875         u8 link_margin;
 876 } __packed;
 877
 878 struct ieee80211_mgmt {
 879         __le16 frame_control;
 880         __le16 duration;
 881         u8 da[ETH_ALEN];
 882         u8 sa[ETH_ALEN];
 883         u8 bssid[ETH_ALEN];
 884         __le16 seq_ctrl;
 885         union {
 886                 struct {
 887                         __le16 auth_alg;
 888                         __le16 auth_transaction;
 889                         __le16 status_code;
 890                         /* possibly followed by Challenge text */
 891                         u8 variable[0];
 892                 } __packed auth;
 893                 struct {
 894                         __le16 reason_code;
 895                 } __packed deauth;
 896                 struct {
 897                         __le16 capab_info;
 898                         __le16 listen_interval;
 899                         /* followed by SSID and Supported rates */
 900                         u8 variable[0];
 901                 } __packed assoc_req;
 902                 struct {
 903                         __le16 capab_info;
 904                         __le16 status_code;
 905                         __le16 aid;
 906                         /* followed by Supported rates */
 907                         u8 variable[0];
 908                 } __packed assoc_resp, reassoc_resp;
 909                 struct {
 910                         __le16 capab_info;
 911                         __le16 listen_interval;
 912                         u8 current_ap[ETH_ALEN];
 913                         /* followed by SSID and Supported rates */
 914                         u8 variable[0];
 915                 } __packed reassoc_req;
 916                 struct {
 917                         __le16 reason_code;
 918                 } __packed disassoc;
 919                 struct {
 920                         __le64 timestamp;
 921                         __le16 beacon_int;
 922                         __le16 capab_info;
 923                         /* followed by some of SSID, Supported rates,
 924                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 925                         u8 variable[0];
 926                 } __packed beacon;
 927                 struct {
 928                         /* only variable items: SSID, Supported rates */
 929                         u8 variable[0];
 930                 } __packed probe_req;
 931                 struct {
 932                         __le64 timestamp;
 933                         __le16 beacon_int;
 934                         __le16 capab_info;
 935                         /* followed by some of SSID, Supported rates,
 936                          * FH Params, DS Params, CF Params, IBSS Params */
 937                         u8 variable[0];
 938                 } __packed probe_resp;
 939                 struct {
 940                         u8 category;
 941                         union {
 942                                 struct {
 943                                         u8 action_code;
 944                                         u8 dialog_token;
 945                                         u8 status_code;
 946                                         u8 variable[0];
 947                                 } __packed wme_action;
 948                                 struct{
 949                                         u8 action_code;
 950                                         u8 variable[0];
 951                                 } __packed chan_switch;
 952                                 struct{
 953                                         u8 action_code;
 954                                         struct ieee80211_ext_chansw_ie data;
 955                                         u8 variable[0];
 956                                 } __packed ext_chan_switch;
 957                                 struct{
 958                                         u8 action_code;
 959                                         u8 dialog_token;
 960                                         u8 element_id;
 961                                         u8 length;
 962                                         struct ieee80211_msrment_ie msr_elem;
 963                                 } __packed measurement;
 964                                 struct{
 965                                         u8 action_code;
 966                                         u8 dialog_token;
 967                                         __le16 capab;
 968                                         __le16 timeout;
 969                                         __le16 start_seq_num;
 970                                 } __packed addba_req;
 971                                 struct{
 972                                         u8 action_code;
 973                                         u8 dialog_token;
 974                                         __le16 status;
 975                                         __le16 capab;
 976                                         __le16 timeout;
 977                                 } __packed addba_resp;
 978                                 struct{
 979                                         u8 action_code;
 980                                         __le16 params;
 981                                         __le16 reason_code;
 982                                 } __packed delba;
 983                                 struct {
 984                                         u8 action_code;
 985                                         u8 variable[0];
 986                                 } __packed self_prot;
 987                                 struct{
 988                                         u8 action_code;
 989                                         u8 variable[0];
 990                                 } __packed mesh_action;
 991                                 struct {
 992                                         u8 action;
 993                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 994                                 } __packed sa_query;
 995                                 struct {
 996                                         u8 action;
 997                                         u8 smps_control;
 998                                 } __packed ht_smps;
 999                                 struct {
1000                                         u8 action_code;
1001                                         u8 chanwidth;
1002                                 } __packed ht_notify_cw;
1003                                 struct {
1004                                         u8 action_code;
1005                                         u8 dialog_token;
1006                                         __le16 capability;
1007                                         u8 variable[0];
1008                                 } __packed tdls_discover_resp;
1009                                 struct {
1010                                         u8 action_code;
1011                                         u8 operating_mode;
1012                                 } __packed vht_opmode_notif;
1013                                 struct {
1014                                         u8 action_code;
1015                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1016                                         u8 position[WLAN_USER_POSITION_LEN];
1017                                 } __packed vht_group_notif;
1018                                 struct {
1019                                         u8 action_code;
1020                                         u8 dialog_token;
1021                                         u8 tpc_elem_id;
1022                                         u8 tpc_elem_length;
1023                                         struct ieee80211_tpc_report_ie tpc;
1024                                 } __packed tpc_report;
1025                                 struct {
1026                                         u8 action_code;
1027                                         u8 dialog_token;
1028                                         u8 follow_up;
1029                                         u8 tod[6];
1030                                         u8 toa[6];
1031                                         __le16 tod_error;
1032                                         __le16 toa_error;
1033                                         u8 variable[0];
1034                                 } __packed ftm;
1035                         } u;
1036                 } __packed action;
1037         } u;
1038 } __packed __aligned(2);
1039
1040 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1041 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1042
1043 /* mgmt header + 1 byte category code */
1044 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1045
1046
1047 /* Management MIC information element (IEEE 802.11w) */
1048 struct ieee80211_mmie {
1049         u8 element_id;
1050         u8 length;
1051         __le16 key_id;
1052         u8 sequence_number[6];
1053         u8 mic[8];
1054 } __packed;
1055
1056 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1057 struct ieee80211_mmie_16 {
1058         u8 element_id;
1059         u8 length;
1060         __le16 key_id;
1061         u8 sequence_number[6];
1062         u8 mic[16];
1063 } __packed;
1064
1065 struct ieee80211_vendor_ie {
1066         u8 element_id;
1067         u8 len;
1068         u8 oui[3];
1069         u8 oui_type;
1070 } __packed;
1071
1072 struct ieee80211_wmm_ac_param {
1073         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1074         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1075         __le16 txop_limit;
1076 } __packed;
1077
1078 struct ieee80211_wmm_param_ie {
1079         u8 element_id; /* Element ID: 221 (0xdd); */
1080         u8 len; /* Length: 24 */
1081         /* required fields for WMM version 1 */
1082         u8 oui[3]; /* 00:50:f2 */
1083         u8 oui_type; /* 2 */
1084         u8 oui_subtype; /* 1 */
1085         u8 version; /* 1 for WMM version 1.0 */
1086         u8 qos_info; /* AP/STA specific QoS info */
1087         u8 reserved; /* 0 */
1088         /* AC_BE, AC_BK, AC_VI, AC_VO */
1089         struct ieee80211_wmm_ac_param ac[4];
1090 } __packed;
1091
1092 /* Control frames */
1093 struct ieee80211_rts {
1094         __le16 frame_control;
1095         __le16 duration;
1096         u8 ra[ETH_ALEN];
1097         u8 ta[ETH_ALEN];
1098 } __packed __aligned(2);
1099
1100 struct ieee80211_cts {
1101         __le16 frame_control;
1102         __le16 duration;
1103         u8 ra[ETH_ALEN];
1104 } __packed __aligned(2);
1105
1106 struct ieee80211_pspoll {
1107         __le16 frame_control;
1108         __le16 aid;
1109         u8 bssid[ETH_ALEN];
1110         u8 ta[ETH_ALEN];
1111 } __packed __aligned(2);
1112
1113 /* TDLS */
1114
1115 /* Channel switch timing */
1116 struct ieee80211_ch_switch_timing {
1117         __le16 switch_time;
1118         __le16 switch_timeout;
1119 } __packed;
1120
1121 /* Link-id information element */
1122 struct ieee80211_tdls_lnkie {
1123         u8 ie_type; /* Link Identifier IE */
1124         u8 ie_len;
1125         u8 bssid[ETH_ALEN];
1126         u8 init_sta[ETH_ALEN];
1127         u8 resp_sta[ETH_ALEN];
1128 } __packed;
1129
1130 struct ieee80211_tdls_data {
1131         u8 da[ETH_ALEN];
1132         u8 sa[ETH_ALEN];
1133         __be16 ether_type;
1134         u8 payload_type;
1135         u8 category;
1136         u8 action_code;
1137         union {
1138                 struct {
1139                         u8 dialog_token;
1140                         __le16 capability;
1141                         u8 variable[0];
1142                 } __packed setup_req;
1143                 struct {
1144                         __le16 status_code;
1145                         u8 dialog_token;
1146                         __le16 capability;
1147                         u8 variable[0];
1148                 } __packed setup_resp;
1149                 struct {
1150                         __le16 status_code;
1151                         u8 dialog_token;
1152                         u8 variable[0];
1153                 } __packed setup_cfm;
1154                 struct {
1155                         __le16 reason_code;
1156                         u8 variable[0];
1157                 } __packed teardown;
1158                 struct {
1159                         u8 dialog_token;
1160                         u8 variable[0];
1161                 } __packed discover_req;
1162                 struct {
1163                         u8 target_channel;
1164                         u8 oper_class;
1165                         u8 variable[0];
1166                 } __packed chan_switch_req;
1167                 struct {
1168                         __le16 status_code;
1169                         u8 variable[0];
1170                 } __packed chan_switch_resp;
1171         } u;
1172 } __packed;
1173
1174 /*
1175  * Peer-to-Peer IE attribute related definitions.
1176  */
1177 /**
1178  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1179  */
1180 enum ieee80211_p2p_attr_id {
1181         IEEE80211_P2P_ATTR_STATUS = 0,
1182         IEEE80211_P2P_ATTR_MINOR_REASON,
1183         IEEE80211_P2P_ATTR_CAPABILITY,
1184         IEEE80211_P2P_ATTR_DEVICE_ID,
1185         IEEE80211_P2P_ATTR_GO_INTENT,
1186         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1187         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1188         IEEE80211_P2P_ATTR_GROUP_BSSID,
1189         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1190         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1191         IEEE80211_P2P_ATTR_MANAGABILITY,
1192         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1193         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1194         IEEE80211_P2P_ATTR_DEVICE_INFO,
1195         IEEE80211_P2P_ATTR_GROUP_INFO,
1196         IEEE80211_P2P_ATTR_GROUP_ID,
1197         IEEE80211_P2P_ATTR_INTERFACE,
1198         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1199         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1200         /* 19 - 220: Reserved */
1201         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1202
1203         IEEE80211_P2P_ATTR_MAX
1204 };
1205
1206 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1207 /* Typical max value used here */
1208 #define IEEE80211_P2P_NOA_DESC_MAX      4
1209
1210 struct ieee80211_p2p_noa_desc {
1211         u8 count;
1212         __le32 duration;
1213         __le32 interval;
1214         __le32 start_time;
1215 } __packed;
1216
1217 struct ieee80211_p2p_noa_attr {
1218         u8 index;
1219         u8 oppps_ctwindow;
1220         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1221 } __packed;
1222
1223 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1224 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1225
1226 /**
1227  * struct ieee80211_bar - HT Block Ack Request
1228  *
1229  * This structure refers to "HT BlockAckReq" as
1230  * described in 802.11n draft section 7.2.1.7.1
1231  */
1232 struct ieee80211_bar {
1233         __le16 frame_control;
1234         __le16 duration;
1235         __u8 ra[ETH_ALEN];
1236         __u8 ta[ETH_ALEN];
1237         __le16 control;
1238         __le16 start_seq_num;
1239 } __packed;
1240
1241 /* 802.11 BAR control masks */
1242 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1243 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1244 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1245 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1246 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1247
1248 #define IEEE80211_HT_MCS_MASK_LEN               10
1249
1250 /**
1251  * struct ieee80211_mcs_info - MCS information
1252  * @rx_mask: RX mask
1253  * @rx_highest: highest supported RX rate. If set represents
1254  *      the highest supported RX data rate in units of 1 Mbps.
1255  *      If this field is 0 this value should not be used to
1256  *      consider the highest RX data rate supported.
1257  * @tx_params: TX parameters
1258  */
1259 struct ieee80211_mcs_info {
1260         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1261         __le16 rx_highest;
1262         u8 tx_params;
1263         u8 reserved[3];
1264 } __packed;
1265
1266 /* 802.11n HT capability MSC set */
1267 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1268 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1269 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1270 /* value 0 == 1 stream etc */
1271 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1272 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1273 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1274 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1275
1276 /*
1277  * 802.11n D5.0 20.3.5 / 20.6 says:
1278  * - indices 0 to 7 and 32 are single spatial stream
1279  * - 8 to 31 are multiple spatial streams using equal modulation
1280  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1281  * - remainder are multiple spatial streams using unequal modulation
1282  */
1283 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1284 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1285         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1286
1287 /**
1288  * struct ieee80211_ht_cap - HT capabilities
1289  *
1290  * This structure is the "HT capabilities element" as
1291  * described in 802.11n D5.0 7.3.2.57
1292  */
1293 struct ieee80211_ht_cap {
1294         __le16 cap_info;
1295         u8 ampdu_params_info;
1296
1297         /* 16 bytes MCS information */
1298         struct ieee80211_mcs_info mcs;
1299
1300         __le16 extended_ht_cap_info;
1301         __le32 tx_BF_cap_info;
1302         u8 antenna_selection_info;
1303 } __packed;
1304
1305 /* 802.11n HT capabilities masks (for cap_info) */
1306 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1307 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1308 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1309 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1310 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1311 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1312 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1313 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1314 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1315 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1316 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1317 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1318 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1319 #define IEEE80211_HT_CAP_RESERVED               0x2000
1320 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1321 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1322
1323 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1324 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1325 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1326 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1327 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1328 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1329 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1330 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1331
1332 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1333 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1334 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1335 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1336
1337 /*
1338  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1339  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1340  */
1341 enum ieee80211_max_ampdu_length_exp {
1342         IEEE80211_HT_MAX_AMPDU_8K = 0,
1343         IEEE80211_HT_MAX_AMPDU_16K = 1,
1344         IEEE80211_HT_MAX_AMPDU_32K = 2,
1345         IEEE80211_HT_MAX_AMPDU_64K = 3
1346 };
1347
1348 /*
1349  * Maximum length of AMPDU that the STA can receive in VHT.
1350  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1351  */
1352 enum ieee80211_vht_max_ampdu_length_exp {
1353         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1354         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1355         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1356         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1357         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1358         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1359         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1360         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1361 };
1362
1363 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1364
1365 /* Minimum MPDU start spacing */
1366 enum ieee80211_min_mpdu_spacing {
1367         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1368         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1369         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1370         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1371         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1372         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1373         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1374         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1375 };
1376
1377 /**
1378  * struct ieee80211_ht_operation - HT operation IE
1379  *
1380  * This structure is the "HT operation element" as
1381  * described in 802.11n-2009 7.3.2.57
1382  */
1383 struct ieee80211_ht_operation {
1384         u8 primary_chan;
1385         u8 ht_param;
1386         __le16 operation_mode;
1387         __le16 stbc_param;
1388         u8 basic_set[16];
1389 } __packed;
1390
1391 /* for ht_param */
1392 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1393 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1394 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1395 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1396 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1397 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1398
1399 /* for operation_mode */
1400 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1401 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1402 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1403 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1404 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1405 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1406 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1407
1408 /* for stbc_param */
1409 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1410 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1411 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1412 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1413 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1414 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1415
1416
1417 /* block-ack parameters */
1418 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1419 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1420 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1421 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1422 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1423 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1424
1425 /*
1426  * A-PMDU buffer sizes
1427  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1428  */
1429 #define IEEE80211_MIN_AMPDU_BUF 0x8
1430 #define IEEE80211_MAX_AMPDU_BUF 0x40
1431
1432
1433 /* Spatial Multiplexing Power Save Modes (for capability) */
1434 #define WLAN_HT_CAP_SM_PS_STATIC        0
1435 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1436 #define WLAN_HT_CAP_SM_PS_INVALID       2
1437 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1438
1439 /* for SM power control field lower two bits */
1440 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1441 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1442 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1443
1444 /**
1445  * struct ieee80211_vht_mcs_info - VHT MCS information
1446  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1447  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1448  *      STA can receive. Rate expressed in units of 1 Mbps.
1449  *      If this field is 0 this value should not be used to
1450  *      consider the highest RX data rate supported.
1451  *      The top 3 bits of this field are reserved.
1452  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1453  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1454  *      STA can transmit. Rate expressed in units of 1 Mbps.
1455  *      If this field is 0 this value should not be used to
1456  *      consider the highest TX data rate supported.
1457  *      The top 3 bits of this field are reserved.
1458  */
1459 struct ieee80211_vht_mcs_info {
1460         __le16 rx_mcs_map;
1461         __le16 rx_highest;
1462         __le16 tx_mcs_map;
1463         __le16 tx_highest;
1464 } __packed;
1465
1466 /**
1467  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1468  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1469  *      number of streams
1470  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1471  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1472  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1473  *
1474  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1475  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1476  * both split into 8 subfields by number of streams. These values indicate
1477  * which MCSes are supported for the number of streams the value appears
1478  * for.
1479  */
1480 enum ieee80211_vht_mcs_support {
1481         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1482         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1483         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1484         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1485 };
1486
1487 /**
1488  * struct ieee80211_vht_cap - VHT capabilities
1489  *
1490  * This structure is the "VHT capabilities element" as
1491  * described in 802.11ac D3.0 8.4.2.160
1492  * @vht_cap_info: VHT capability info
1493  * @supp_mcs: VHT MCS supported rates
1494  */
1495 struct ieee80211_vht_cap {
1496         __le32 vht_cap_info;
1497         struct ieee80211_vht_mcs_info supp_mcs;
1498 } __packed;
1499
1500 /**
1501  * enum ieee80211_vht_chanwidth - VHT channel width
1502  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1503  *      determine the channel width (20 or 40 MHz)
1504  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1505  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1506  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1507  */
1508 enum ieee80211_vht_chanwidth {
1509         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1510         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1511         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1512         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1513 };
1514
1515 /**
1516  * struct ieee80211_vht_operation - VHT operation IE
1517  *
1518  * This structure is the "VHT operation element" as
1519  * described in 802.11ac D3.0 8.4.2.161
1520  * @chan_width: Operating channel width
1521  * @center_freq_seg1_idx: center freq segment 1 index
1522  * @center_freq_seg2_idx: center freq segment 2 index
1523  * @basic_mcs_set: VHT Basic MCS rate set
1524  */
1525 struct ieee80211_vht_operation {
1526         u8 chan_width;
1527         u8 center_freq_seg1_idx;
1528         u8 center_freq_seg2_idx;
1529         __le16 basic_mcs_set;
1530 } __packed;
1531
1532
1533 /* 802.11ac VHT Capabilities */
1534 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1535 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1536 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1537 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1538 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1539 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1540 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1541 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1542 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1543 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1544 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1545 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1546 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1547 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1548 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1549 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1550 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1551 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1552 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1553 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1554                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1555 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1556 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1557                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1558 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1559 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1560 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1561 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1562 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1563 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1564                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1565 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1566 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1567 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1568 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1569
1570 /* Authentication algorithms */
1571 #define WLAN_AUTH_OPEN 0
1572 #define WLAN_AUTH_SHARED_KEY 1
1573 #define WLAN_AUTH_FT 2
1574 #define WLAN_AUTH_SAE 3
1575 #define WLAN_AUTH_LEAP 128
1576
1577 #define WLAN_AUTH_CHALLENGE_LEN 128
1578
1579 #define WLAN_CAPABILITY_ESS             (1<<0)
1580 #define WLAN_CAPABILITY_IBSS            (1<<1)
1581
1582 /*
1583  * A mesh STA sets the ESS and IBSS capability bits to zero.
1584  * however, this holds true for p2p probe responses (in the p2p_find
1585  * phase) as well.
1586  */
1587 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1588         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1589
1590 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1591 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1592 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1593 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1594 #define WLAN_CAPABILITY_PBCC            (1<<6)
1595 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1596
1597 /* 802.11h */
1598 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1599 #define WLAN_CAPABILITY_QOS             (1<<9)
1600 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1601 #define WLAN_CAPABILITY_APSD            (1<<11)
1602 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1603 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1604 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1605 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1606
1607 /* DMG (60gHz) 802.11ad */
1608 /* type - bits 0..1 */
1609 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1610 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1611 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1612 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1613
1614 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1615 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1616 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1617 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1618
1619 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1620 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1621
1622 /* measurement */
1623 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1624 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1625 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1626
1627 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1628 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1629 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1630
1631 /* 802.11g ERP information element */
1632 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1633 #define WLAN_ERP_USE_PROTECTION (1<<1)
1634 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1635
1636 /* WLAN_ERP_BARKER_PREAMBLE values */
1637 enum {
1638         WLAN_ERP_PREAMBLE_SHORT = 0,
1639         WLAN_ERP_PREAMBLE_LONG = 1,
1640 };
1641
1642 /* Band ID, 802.11ad #8.4.1.45 */
1643 enum {
1644         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1645         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1646         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1647         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1648         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1649         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1650 };
1651
1652 /* Status codes */
1653 enum ieee80211_statuscode {
1654         WLAN_STATUS_SUCCESS = 0,
1655         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1656         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1657         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1658         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1659         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1660         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1661         WLAN_STATUS_CHALLENGE_FAIL = 15,
1662         WLAN_STATUS_AUTH_TIMEOUT = 16,
1663         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1664         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1665         /* 802.11b */
1666         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1667         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1668         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1669         /* 802.11h */
1670         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1671         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1672         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1673         /* 802.11g */
1674         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1675         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1676         /* 802.11w */
1677         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1678         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1679         /* 802.11i */
1680         WLAN_STATUS_INVALID_IE = 40,
1681         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1682         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1683         WLAN_STATUS_INVALID_AKMP = 43,
1684         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1685         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1686         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1687         /* 802.11e */
1688         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1689         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1690         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1691         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1692         WLAN_STATUS_REQUEST_DECLINED = 37,
1693         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1694         WLAN_STATUS_CHANGE_TSPEC = 39,
1695         WLAN_STATUS_WAIT_TS_DELAY = 47,
1696         WLAN_STATUS_NO_DIRECT_LINK = 48,
1697         WLAN_STATUS_STA_NOT_PRESENT = 49,
1698         WLAN_STATUS_STA_NOT_QSTA = 50,
1699         /* 802.11s */
1700         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1701         WLAN_STATUS_FCG_NOT_SUPP = 78,
1702         WLAN_STATUS_STA_NO_TBTT = 78,
1703         /* 802.11ad */
1704         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1705         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1706         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1707         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1708         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1709         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1710         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1711         WLAN_STATUS_REJECT_DSE_BAND = 96,
1712         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1713         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1714 };
1715
1716
1717 /* Reason codes */
1718 enum ieee80211_reasoncode {
1719         WLAN_REASON_UNSPECIFIED = 1,
1720         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1721         WLAN_REASON_DEAUTH_LEAVING = 3,
1722         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1723         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1724         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1725         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1726         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1727         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1728         /* 802.11h */
1729         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1730         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1731         /* 802.11i */
1732         WLAN_REASON_INVALID_IE = 13,
1733         WLAN_REASON_MIC_FAILURE = 14,
1734         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1735         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1736         WLAN_REASON_IE_DIFFERENT = 17,
1737         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1738         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1739         WLAN_REASON_INVALID_AKMP = 20,
1740         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1741         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1742         WLAN_REASON_IEEE8021X_FAILED = 23,
1743         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1744         /* TDLS (802.11z) */
1745         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1746         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1747         /* 802.11e */
1748         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1749         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1750         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1751         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1752         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1753         WLAN_REASON_QSTA_NOT_USE = 37,
1754         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1755         WLAN_REASON_QSTA_TIMEOUT = 39,
1756         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1757         /* 802.11s */
1758         WLAN_REASON_MESH_PEER_CANCELED = 52,
1759         WLAN_REASON_MESH_MAX_PEERS = 53,
1760         WLAN_REASON_MESH_CONFIG = 54,
1761         WLAN_REASON_MESH_CLOSE = 55,
1762         WLAN_REASON_MESH_MAX_RETRIES = 56,
1763         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1764         WLAN_REASON_MESH_INVALID_GTK = 58,
1765         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1766         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1767         WLAN_REASON_MESH_PATH_ERROR = 61,
1768         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1769         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1770         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1771         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1772         WLAN_REASON_MESH_CHAN = 66,
1773 };
1774
1775
1776 /* Information Element IDs */
1777 enum ieee80211_eid {
1778         WLAN_EID_SSID = 0,
1779         WLAN_EID_SUPP_RATES = 1,
1780         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1781         WLAN_EID_DS_PARAMS = 3,
1782         WLAN_EID_CF_PARAMS = 4,
1783         WLAN_EID_TIM = 5,
1784         WLAN_EID_IBSS_PARAMS = 6,
1785         WLAN_EID_COUNTRY = 7,
1786         /* 8, 9 reserved */
1787         WLAN_EID_REQUEST = 10,
1788         WLAN_EID_QBSS_LOAD = 11,
1789         WLAN_EID_EDCA_PARAM_SET = 12,
1790         WLAN_EID_TSPEC = 13,
1791         WLAN_EID_TCLAS = 14,
1792         WLAN_EID_SCHEDULE = 15,
1793         WLAN_EID_CHALLENGE = 16,
1794         /* 17-31 reserved for challenge text extension */
1795         WLAN_EID_PWR_CONSTRAINT = 32,
1796         WLAN_EID_PWR_CAPABILITY = 33,
1797         WLAN_EID_TPC_REQUEST = 34,
1798         WLAN_EID_TPC_REPORT = 35,
1799         WLAN_EID_SUPPORTED_CHANNELS = 36,
1800         WLAN_EID_CHANNEL_SWITCH = 37,
1801         WLAN_EID_MEASURE_REQUEST = 38,
1802         WLAN_EID_MEASURE_REPORT = 39,
1803         WLAN_EID_QUIET = 40,
1804         WLAN_EID_IBSS_DFS = 41,
1805         WLAN_EID_ERP_INFO = 42,
1806         WLAN_EID_TS_DELAY = 43,
1807         WLAN_EID_TCLAS_PROCESSING = 44,
1808         WLAN_EID_HT_CAPABILITY = 45,
1809         WLAN_EID_QOS_CAPA = 46,
1810         /* 47 reserved for Broadcom */
1811         WLAN_EID_RSN = 48,
1812         WLAN_EID_802_15_COEX = 49,
1813         WLAN_EID_EXT_SUPP_RATES = 50,
1814         WLAN_EID_AP_CHAN_REPORT = 51,
1815         WLAN_EID_NEIGHBOR_REPORT = 52,
1816         WLAN_EID_RCPI = 53,
1817         WLAN_EID_MOBILITY_DOMAIN = 54,
1818         WLAN_EID_FAST_BSS_TRANSITION = 55,
1819         WLAN_EID_TIMEOUT_INTERVAL = 56,
1820         WLAN_EID_RIC_DATA = 57,
1821         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1822         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1823         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1824         WLAN_EID_HT_OPERATION = 61,
1825         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1826         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1827         WLAN_EID_ANTENNA_INFO = 64,
1828         WLAN_EID_RSNI = 65,
1829         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1830         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1831         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1832         WLAN_EID_TIME_ADVERTISEMENT = 69,
1833         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1834         WLAN_EID_MULTIPLE_BSSID = 71,
1835         WLAN_EID_BSS_COEX_2040 = 72,
1836         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1837         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1838         WLAN_EID_RIC_DESCRIPTOR = 75,
1839         WLAN_EID_MMIE = 76,
1840         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1841         WLAN_EID_EVENT_REQUEST = 78,
1842         WLAN_EID_EVENT_REPORT = 79,
1843         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1844         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1845         WLAN_EID_LOCATION_PARAMS = 82,
1846         WLAN_EID_NON_TX_BSSID_CAP =  83,
1847         WLAN_EID_SSID_LIST = 84,
1848         WLAN_EID_MULTI_BSSID_IDX = 85,
1849         WLAN_EID_FMS_DESCRIPTOR = 86,
1850         WLAN_EID_FMS_REQUEST = 87,
1851         WLAN_EID_FMS_RESPONSE = 88,
1852         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1853         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1854         WLAN_EID_TSF_REQUEST = 91,
1855         WLAN_EID_TSF_RESPOSNE = 92,
1856         WLAN_EID_WNM_SLEEP_MODE = 93,
1857         WLAN_EID_TIM_BCAST_REQ = 94,
1858         WLAN_EID_TIM_BCAST_RESP = 95,
1859         WLAN_EID_COLL_IF_REPORT = 96,
1860         WLAN_EID_CHANNEL_USAGE = 97,
1861         WLAN_EID_TIME_ZONE = 98,
1862         WLAN_EID_DMS_REQUEST = 99,
1863         WLAN_EID_DMS_RESPONSE = 100,
1864         WLAN_EID_LINK_ID = 101,
1865         WLAN_EID_WAKEUP_SCHEDUL = 102,
1866         /* 103 reserved */
1867         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1868         WLAN_EID_PTI_CONTROL = 105,
1869         WLAN_EID_PU_BUFFER_STATUS = 106,
1870         WLAN_EID_INTERWORKING = 107,
1871         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1872         WLAN_EID_EXPEDITED_BW_REQ = 109,
1873         WLAN_EID_QOS_MAP_SET = 110,
1874         WLAN_EID_ROAMING_CONSORTIUM = 111,
1875         WLAN_EID_EMERGENCY_ALERT = 112,
1876         WLAN_EID_MESH_CONFIG = 113,
1877         WLAN_EID_MESH_ID = 114,
1878         WLAN_EID_LINK_METRIC_REPORT = 115,
1879         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1880         WLAN_EID_PEER_MGMT = 117,
1881         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1882         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1883         WLAN_EID_BEACON_TIMING = 120,
1884         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1885         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1886         WLAN_EID_MCCAOP_ADVERT = 123,
1887         WLAN_EID_MCCAOP_TEARDOWN = 124,
1888         WLAN_EID_GANN = 125,
1889         WLAN_EID_RANN = 126,
1890         WLAN_EID_EXT_CAPABILITY = 127,
1891         /* 128, 129 reserved for Agere */
1892         WLAN_EID_PREQ = 130,
1893         WLAN_EID_PREP = 131,
1894         WLAN_EID_PERR = 132,
1895         /* 133-136 reserved for Cisco */
1896         WLAN_EID_PXU = 137,
1897         WLAN_EID_PXUC = 138,
1898         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1899         WLAN_EID_MIC = 140,
1900         WLAN_EID_DESTINATION_URI = 141,
1901         WLAN_EID_UAPSD_COEX = 142,
1902         WLAN_EID_WAKEUP_SCHEDULE = 143,
1903         WLAN_EID_EXT_SCHEDULE = 144,
1904         WLAN_EID_STA_AVAILABILITY = 145,
1905         WLAN_EID_DMG_TSPEC = 146,
1906         WLAN_EID_DMG_AT = 147,
1907         WLAN_EID_DMG_CAP = 148,
1908         /* 149 reserved for Cisco */
1909         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1910         WLAN_EID_DMG_OPERATION = 151,
1911         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1912         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1913         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1914         /* 155-156 reserved for Cisco */
1915         WLAN_EID_AWAKE_WINDOW = 157,
1916         WLAN_EID_MULTI_BAND = 158,
1917         WLAN_EID_ADDBA_EXT = 159,
1918         WLAN_EID_NEXT_PCP_LIST = 160,
1919         WLAN_EID_PCP_HANDOVER = 161,
1920         WLAN_EID_DMG_LINK_MARGIN = 162,
1921         WLAN_EID_SWITCHING_STREAM = 163,
1922         WLAN_EID_SESSION_TRANSITION = 164,
1923         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1924         WLAN_EID_CLUSTER_REPORT = 166,
1925         WLAN_EID_RELAY_CAP = 167,
1926         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1927         WLAN_EID_BEAM_LINK_MAINT = 169,
1928         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1929         WLAN_EID_U_PID = 171,
1930         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1931         /* 173 reserved for Symbol */
1932         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1933         WLAN_EID_QUIET_PERIOD_REQ = 175,
1934         /* 176 reserved for Symbol */
1935         WLAN_EID_QUIET_PERIOD_RESP = 177,
1936         /* 178-179 reserved for Symbol */
1937         /* 180 reserved for ISO/IEC 20011 */
1938         WLAN_EID_EPAC_POLICY = 182,
1939         WLAN_EID_CLISTER_TIME_OFF = 183,
1940         WLAN_EID_INTER_AC_PRIO = 184,
1941         WLAN_EID_SCS_DESCRIPTOR = 185,
1942         WLAN_EID_QLOAD_REPORT = 186,
1943         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1944         WLAN_EID_HL_STREAM_ID = 188,
1945         WLAN_EID_GCR_GROUP_ADDR = 189,
1946         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1947         WLAN_EID_VHT_CAPABILITY = 191,
1948         WLAN_EID_VHT_OPERATION = 192,
1949         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1950         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1951         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1952         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1953         WLAN_EID_AID = 197,
1954         WLAN_EID_QUIET_CHANNEL = 198,
1955         WLAN_EID_OPMODE_NOTIF = 199,
1956
1957         WLAN_EID_VENDOR_SPECIFIC = 221,
1958         WLAN_EID_QOS_PARAMETER = 222,
1959 };
1960
1961 /* Action category code */
1962 enum ieee80211_category {
1963         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1964         WLAN_CATEGORY_QOS = 1,
1965         WLAN_CATEGORY_DLS = 2,
1966         WLAN_CATEGORY_BACK = 3,
1967         WLAN_CATEGORY_PUBLIC = 4,
1968         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
1969         WLAN_CATEGORY_HT = 7,
1970         WLAN_CATEGORY_SA_QUERY = 8,
1971         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1972         WLAN_CATEGORY_WNM = 10,
1973         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
1974         WLAN_CATEGORY_TDLS = 12,
1975         WLAN_CATEGORY_MESH_ACTION = 13,
1976         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1977         WLAN_CATEGORY_SELF_PROTECTED = 15,
1978         WLAN_CATEGORY_DMG = 16,
1979         WLAN_CATEGORY_WMM = 17,
1980         WLAN_CATEGORY_FST = 18,
1981         WLAN_CATEGORY_UNPROT_DMG = 20,
1982         WLAN_CATEGORY_VHT = 21,
1983         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1984         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1985 };
1986
1987 /* SPECTRUM_MGMT action code */
1988 enum ieee80211_spectrum_mgmt_actioncode {
1989         WLAN_ACTION_SPCT_MSR_REQ = 0,
1990         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1991         WLAN_ACTION_SPCT_TPC_REQ = 2,
1992         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1993         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1994 };
1995
1996 /* HT action codes */
1997 enum ieee80211_ht_actioncode {
1998         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1999         WLAN_HT_ACTION_SMPS = 1,
2000         WLAN_HT_ACTION_PSMP = 2,
2001         WLAN_HT_ACTION_PCO_PHASE = 3,
2002         WLAN_HT_ACTION_CSI = 4,
2003         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2004         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2005         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2006 };
2007
2008 /* VHT action codes */
2009 enum ieee80211_vht_actioncode {
2010         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2011         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2012         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2013 };
2014
2015 /* Self Protected Action codes */
2016 enum ieee80211_self_protected_actioncode {
2017         WLAN_SP_RESERVED = 0,
2018         WLAN_SP_MESH_PEERING_OPEN = 1,
2019         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2020         WLAN_SP_MESH_PEERING_CLOSE = 3,
2021         WLAN_SP_MGK_INFORM = 4,
2022         WLAN_SP_MGK_ACK = 5,
2023 };
2024
2025 /* Mesh action codes */
2026 enum ieee80211_mesh_actioncode {
2027         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2028         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2029         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2030         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2031         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2032         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2033         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2034         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2035         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2036         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2037         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2038 };
2039
2040 /* Security key length */
2041 enum ieee80211_key_len {
2042         WLAN_KEY_LEN_WEP40 = 5,
2043         WLAN_KEY_LEN_WEP104 = 13,
2044         WLAN_KEY_LEN_CCMP = 16,
2045         WLAN_KEY_LEN_CCMP_256 = 32,
2046         WLAN_KEY_LEN_TKIP = 32,
2047         WLAN_KEY_LEN_AES_CMAC = 16,
2048         WLAN_KEY_LEN_SMS4 = 32,
2049         WLAN_KEY_LEN_GCMP = 16,
2050         WLAN_KEY_LEN_GCMP_256 = 32,
2051         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2052         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2053         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2054 };
2055
2056 #define IEEE80211_WEP_IV_LEN            4
2057 #define IEEE80211_WEP_ICV_LEN           4
2058 #define IEEE80211_CCMP_HDR_LEN          8
2059 #define IEEE80211_CCMP_MIC_LEN          8
2060 #define IEEE80211_CCMP_PN_LEN           6
2061 #define IEEE80211_CCMP_256_HDR_LEN      8
2062 #define IEEE80211_CCMP_256_MIC_LEN      16
2063 #define IEEE80211_CCMP_256_PN_LEN       6
2064 #define IEEE80211_TKIP_IV_LEN           8
2065 #define IEEE80211_TKIP_ICV_LEN          4
2066 #define IEEE80211_CMAC_PN_LEN           6
2067 #define IEEE80211_GMAC_PN_LEN           6
2068 #define IEEE80211_GCMP_HDR_LEN          8
2069 #define IEEE80211_GCMP_MIC_LEN          16
2070 #define IEEE80211_GCMP_PN_LEN           6
2071
2072 /* Public action codes */
2073 enum ieee80211_pub_actioncode {
2074         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2075         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2076 };
2077
2078 /* TDLS action codes */
2079 enum ieee80211_tdls_actioncode {
2080         WLAN_TDLS_SETUP_REQUEST = 0,
2081         WLAN_TDLS_SETUP_RESPONSE = 1,
2082         WLAN_TDLS_SETUP_CONFIRM = 2,
2083         WLAN_TDLS_TEARDOWN = 3,
2084         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2085         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2086         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2087         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2088         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2089         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2090         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2091 };
2092
2093 /* Extended Channel Switching capability to be set in the 1st byte of
2094  * the @WLAN_EID_EXT_CAPABILITY information element
2095  */
2096 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2097
2098 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2099 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2100 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2101 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2102
2103 /* Interworking capabilities are set in 7th bit of 4th byte of the
2104  * @WLAN_EID_EXT_CAPABILITY information element
2105  */
2106 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2107
2108 /*
2109  * TDLS capabililites to be enabled in the 5th byte of the
2110  * @WLAN_EID_EXT_CAPABILITY information element
2111  */
2112 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2113 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2114 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2115
2116 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2117 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2118
2119 /* Defines the maximal number of MSDUs in an A-MSDU. */
2120 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2121 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2122
2123 /*
2124  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2125  * information element
2126  */
2127 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2128
2129 /* TDLS specific payload type in the LLC/SNAP header */
2130 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2131
2132 /* BSS Coex IE information field bits */
2133 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2134
2135 /**
2136  * enum - mesh synchronization method identifier
2137  *
2138  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2139  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2140  *      that will be specified in a vendor specific information element
2141  */
2142 enum {
2143         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2144         IEEE80211_SYNC_METHOD_VENDOR = 255,
2145 };
2146
2147 /**
2148  * enum - mesh path selection protocol identifier
2149  *
2150  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2151  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2152  *      be specified in a vendor specific information element
2153  */
2154 enum {
2155         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2156         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2157 };
2158
2159 /**
2160  * enum - mesh path selection metric identifier
2161  *
2162  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2163  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2164  *      specified in a vendor specific information element
2165  */
2166 enum {
2167         IEEE80211_PATH_METRIC_AIRTIME = 1,
2168         IEEE80211_PATH_METRIC_VENDOR = 255,
2169 };
2170
2171 /**
2172  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2173  *
2174  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2175  *
2176  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2177  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2178  *      this value
2179  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2180  *      the proactive PREQ with proactive PREP subfield set to 0
2181  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2182  *      supports the proactive PREQ with proactive PREP subfield set to 1
2183  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2184  *      the proactive RANN
2185  */
2186 enum ieee80211_root_mode_identifier {
2187         IEEE80211_ROOTMODE_NO_ROOT = 0,
2188         IEEE80211_ROOTMODE_ROOT = 1,
2189         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2190         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2191         IEEE80211_PROACTIVE_RANN = 4,
2192 };
2193
2194 /*
2195  * IEEE 802.11-2007 7.3.2.9 Country information element
2196  *
2197  * Minimum length is 8 octets, ie len must be evenly
2198  * divisible by 2
2199  */
2200
2201 /* Although the spec says 8 I'm seeing 6 in practice */
2202 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2203
2204 /* The Country String field of the element shall be 3 octets in length */
2205 #define IEEE80211_COUNTRY_STRING_LEN    3
2206
2207 /*
2208  * For regulatory extension stuff see IEEE 802.11-2007
2209  * Annex I (page 1141) and Annex J (page 1147). Also
2210  * review 7.3.2.9.
2211  *
2212  * When dot11RegulatoryClassesRequired is true and the
2213  * first_channel/reg_extension_id is >= 201 then the IE
2214  * compromises of the 'ext' struct represented below:
2215  *
2216  *  - Regulatory extension ID - when generating IE this just needs
2217  *    to be monotonically increasing for each triplet passed in
2218  *    the IE
2219  *  - Regulatory class - index into set of rules
2220  *  - Coverage class - index into air propagation time (Table 7-27),
2221  *    in microseconds, you can compute the air propagation time from
2222  *    the index by multiplying by 3, so index 10 yields a propagation
2223  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2224  *    yet. A value of 0 inicates air propagation of <= 1 us.
2225  *
2226  *  See also Table I.2 for Emission limit sets and table
2227  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2228  *  a reg_class to an emission limit set and behavior limit set.
2229  */
2230 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2231
2232 /*
2233  *  Channels numbers in the IE must be monotonically increasing
2234  *  if dot11RegulatoryClassesRequired is not true.
2235  *
2236  *  If dot11RegulatoryClassesRequired is true consecutive
2237  *  subband triplets following a regulatory triplet shall
2238  *  have monotonically increasing first_channel number fields.
2239  *
2240  *  Channel numbers shall not overlap.
2241  *
2242  *  Note that max_power is signed.
2243  */
2244 struct ieee80211_country_ie_triplet {
2245         union {
2246                 struct {
2247                         u8 first_channel;
2248                         u8 num_channels;
2249                         s8 max_power;
2250                 } __packed chans;
2251                 struct {
2252                         u8 reg_extension_id;
2253                         u8 reg_class;
2254                         u8 coverage_class;
2255                 } __packed ext;
2256         };
2257 } __packed;
2258
2259 enum ieee80211_timeout_interval_type {
2260         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2261         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2262         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2263 };
2264
2265 /**
2266  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2267  * @type: type, see &enum ieee80211_timeout_interval_type
2268  * @value: timeout interval value
2269  */
2270 struct ieee80211_timeout_interval_ie {
2271         u8 type;
2272         __le32 value;
2273 } __packed;
2274
2275 /* BACK action code */
2276 enum ieee80211_back_actioncode {
2277         WLAN_ACTION_ADDBA_REQ = 0,
2278         WLAN_ACTION_ADDBA_RESP = 1,
2279         WLAN_ACTION_DELBA = 2,
2280 };
2281
2282 /* BACK (block-ack) parties */
2283 enum ieee80211_back_parties {
2284         WLAN_BACK_RECIPIENT = 0,
2285         WLAN_BACK_INITIATOR = 1,
2286 };
2287
2288 /* SA Query action */
2289 enum ieee80211_sa_query_action {
2290         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2291         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2292 };
2293
2294
2295 /* cipher suite selectors */
2296 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2297 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2298 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2299 /* reserved:                            0x000FAC03 */
2300 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2301 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2302 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2303 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2304 #define WLAN_CIPHER_SUITE_GCMP_256      0x000FAC09
2305 #define WLAN_CIPHER_SUITE_CCMP_256      0x000FAC0A
2306 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  0x000FAC0B
2307 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  0x000FAC0C
2308 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  0x000FAC0D
2309
2310 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2311
2312 /* AKM suite selectors */
2313 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2314 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2315 #define WLAN_AKM_SUITE_8021X_SHA256     0x000FAC05
2316 #define WLAN_AKM_SUITE_PSK_SHA256       0x000FAC06
2317 #define WLAN_AKM_SUITE_TDLS             0x000FAC07
2318 #define WLAN_AKM_SUITE_SAE              0x000FAC08
2319 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2320
2321 #define WLAN_MAX_KEY_LEN                32
2322
2323 #define WLAN_PMKID_LEN                  16
2324
2325 #define WLAN_OUI_WFA                    0x506f9a
2326 #define WLAN_OUI_TYPE_WFA_P2P           9
2327 #define WLAN_OUI_MICROSOFT              0x0050f2
2328 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2329 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2330 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2331
2332 /*
2333  * WMM/802.11e Tspec Element
2334  */
2335 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2336 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2337
2338 enum ieee80211_tspec_status_code {
2339         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2340         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2341 };
2342
2343 struct ieee80211_tspec_ie {
2344         u8 element_id;
2345         u8 len;
2346         u8 oui[3];
2347         u8 oui_type;
2348         u8 oui_subtype;
2349         u8 version;
2350         __le16 tsinfo;
2351         u8 tsinfo_resvd;
2352         __le16 nominal_msdu;
2353         __le16 max_msdu;
2354         __le32 min_service_int;
2355         __le32 max_service_int;
2356         __le32 inactivity_int;
2357         __le32 suspension_int;
2358         __le32 service_start_time;
2359         __le32 min_data_rate;
2360         __le32 mean_data_rate;
2361         __le32 peak_data_rate;
2362         __le32 max_burst_size;
2363         __le32 delay_bound;
2364         __le32 min_phy_rate;
2365         __le16 sba;
2366         __le16 medium_time;
2367 } __packed;
2368
2369 /**
2370  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2371  * @hdr: the frame
2372  *
2373  * The qos ctrl bytes come after the frame_control, duration, seq_num
2374  * and 3 or 4 addresses of length ETH_ALEN.
2375  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2376  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2377  */
2378 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2379 {
2380         if (ieee80211_has_a4(hdr->frame_control))
2381                 return (u8 *)hdr + 30;
2382         else
2383                 return (u8 *)hdr + 24;
2384 }
2385
2386 /**
2387  * ieee80211_get_SA - get pointer to SA
2388  * @hdr: the frame
2389  *
2390  * Given an 802.11 frame, this function returns the offset
2391  * to the source address (SA). It does not verify that the
2392  * header is long enough to contain the address, and the
2393  * header must be long enough to contain the frame control
2394  * field.
2395  */
2396 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2397 {
2398         if (ieee80211_has_a4(hdr->frame_control))
2399                 return hdr->addr4;
2400         if (ieee80211_has_fromds(hdr->frame_control))
2401                 return hdr->addr3;
2402         return hdr->addr2;
2403 }
2404
2405 /**
2406  * ieee80211_get_DA - get pointer to DA
2407  * @hdr: the frame
2408  *
2409  * Given an 802.11 frame, this function returns the offset
2410  * to the destination address (DA). It does not verify that
2411  * the header is long enough to contain the address, and the
2412  * header must be long enough to contain the frame control
2413  * field.
2414  */
2415 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2416 {
2417         if (ieee80211_has_tods(hdr->frame_control))
2418                 return hdr->addr3;
2419         else
2420                 return hdr->addr1;
2421 }
2422
2423 /**
2424  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2425  * @hdr: the frame (buffer must include at least the first octet of payload)
2426  */
2427 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2428 {
2429         if (ieee80211_is_disassoc(hdr->frame_control) ||
2430             ieee80211_is_deauth(hdr->frame_control))
2431                 return true;
2432
2433         if (ieee80211_is_action(hdr->frame_control)) {
2434                 u8 *category;
2435
2436                 /*
2437                  * Action frames, excluding Public Action frames, are Robust
2438                  * Management Frames. However, if we are looking at a Protected
2439                  * frame, skip the check since the data may be encrypted and
2440                  * the frame has already been found to be a Robust Management
2441                  * Frame (by the other end).
2442                  */
2443                 if (ieee80211_has_protected(hdr->frame_control))
2444                         return true;
2445                 category = ((u8 *) hdr) + 24;
2446                 return *category != WLAN_CATEGORY_PUBLIC &&
2447                         *category != WLAN_CATEGORY_HT &&
2448                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2449                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2450                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2451                         *category != WLAN_CATEGORY_VHT &&
2452                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2453         }
2454
2455         return false;
2456 }
2457
2458 /**
2459  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2460  * @skb: the skb containing the frame, length will be checked
2461  */
2462 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2463 {
2464         if (skb->len < 25)
2465                 return false;
2466         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2467 }
2468
2469 /**
2470  * ieee80211_is_public_action - check if frame is a public action frame
2471  * @hdr: the frame
2472  * @len: length of the frame
2473  */
2474 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2475                                               size_t len)
2476 {
2477         struct ieee80211_mgmt *mgmt = (void *)hdr;
2478
2479         if (len < IEEE80211_MIN_ACTION_SIZE)
2480                 return false;
2481         if (!ieee80211_is_action(hdr->frame_control))
2482                 return false;
2483         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2484 }
2485
2486 /**
2487  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2488  * @tu: the TUs
2489  */
2490 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2491 {
2492         return 1024 * tu;
2493 }
2494
2495 /**
2496  * ieee80211_check_tim - check if AID bit is set in TIM
2497  * @tim: the TIM IE
2498  * @tim_len: length of the TIM IE
2499  * @aid: the AID to look for
2500  */
2501 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2502                                        u8 tim_len, u16 aid)
2503 {
2504         u8 mask;
2505         u8 index, indexn1, indexn2;
2506
2507         if (unlikely(!tim || tim_len < sizeof(*tim)))
2508                 return false;
2509
2510         aid &= 0x3fff;
2511         index = aid / 8;
2512         mask  = 1 << (aid & 7);
2513
2514         indexn1 = tim->bitmap_ctrl & 0xfe;
2515         indexn2 = tim_len + indexn1 - 4;
2516
2517         if (index < indexn1 || index > indexn2)
2518                 return false;
2519
2520         index -= indexn1;
2521
2522         return !!(tim->virtual_map[index] & mask);
2523 }
2524
2525 /**
2526  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2527  * @skb: the skb containing the frame, length will not be checked
2528  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2529  *
2530  * This function assumes the frame is a data frame, and that the network header
2531  * is in the correct place.
2532  */
2533 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2534 {
2535         if (!skb_is_nonlinear(skb) &&
2536             skb->len > (skb_network_offset(skb) + 2)) {
2537                 /* Point to where the indication of TDLS should start */
2538                 const u8 *tdls_data = skb_network_header(skb) - 2;
2539
2540                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2541                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2542                     tdls_data[3] == WLAN_CATEGORY_TDLS)
2543                         return tdls_data[4];
2544         }
2545
2546         return -1;
2547 }
2548
2549 /* convert time units */
2550 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2551 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2552
2553 /**
2554  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2555  * @skb: the skb containing the frame, length will be checked
2556  *
2557  * This function checks if it's either TPC report action frame or Link
2558  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2559  * and 8.5.7.5 accordingly.
2560  */
2561 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2562 {
2563         struct ieee80211_mgmt *mgmt = (void *)skb->data;
2564
2565         if (!ieee80211_is_action(mgmt->frame_control))
2566                 return false;
2567
2568         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2569                        sizeof(mgmt->u.action.u.tpc_report))
2570                 return false;
2571
2572         /*
2573          * TPC report - check that:
2574          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2575          * spectrum management action = 3 (TPC/Link Measurement report)
2576          * TPC report EID = 35
2577          * TPC report element length = 2
2578          *
2579          * The spectrum management's tpc_report struct is used here both for
2580          * parsing tpc_report and radio measurement's link measurement report
2581          * frame, since the relevant part is identical in both frames.
2582          */
2583         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2584             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2585                 return false;
2586
2587         /* both spectrum mgmt and link measurement have same action code */
2588         if (mgmt->u.action.u.tpc_report.action_code !=
2589             WLAN_ACTION_SPCT_TPC_RPRT)
2590                 return false;
2591
2592         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2593             mgmt->u.action.u.tpc_report.tpc_elem_length !=
2594             sizeof(struct ieee80211_tpc_report_ie))
2595                 return false;
2596
2597         return true;
2598 }
2599
2600 #endif /* LINUX_IEEE80211_H */