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 <linux/etherdevice.h>
  23 #include <asm/byteorder.h>
  24 #include <asm/unaligned.h>
  25
  26 /*
  27  * DS bit usage
  28  *
  29  * TA = transmitter address
  30  * RA = receiver address
  31  * DA = destination address
  32  * SA = source address
  33  *
  34  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  35  * -----------------------------------------------------------------
  36  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  37  *  0       1       DA      BSSID   SA      -       AP -> STA
  38  *  1       0       BSSID   SA      DA      -       AP <- STA
  39  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  40  */
  41
  42 #define FCS_LEN 4
  43
  44 #define IEEE80211_FCTL_VERS             0x0003
  45 #define IEEE80211_FCTL_FTYPE            0x000c
  46 #define IEEE80211_FCTL_STYPE            0x00f0
  47 #define IEEE80211_FCTL_TODS             0x0100
  48 #define IEEE80211_FCTL_FROMDS           0x0200
  49 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  50 #define IEEE80211_FCTL_RETRY            0x0800
  51 #define IEEE80211_FCTL_PM               0x1000
  52 #define IEEE80211_FCTL_MOREDATA         0x2000
  53 #define IEEE80211_FCTL_PROTECTED        0x4000
  54 #define IEEE80211_FCTL_ORDER            0x8000
  55 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  56
  57 #define IEEE80211_SCTL_FRAG             0x000F
  58 #define IEEE80211_SCTL_SEQ              0xFFF0
  59
  60 #define IEEE80211_FTYPE_MGMT            0x0000
  61 #define IEEE80211_FTYPE_CTL             0x0004
  62 #define IEEE80211_FTYPE_DATA            0x0008
  63 #define IEEE80211_FTYPE_EXT             0x000c
  64
  65 /* management */
  66 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  67 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  68 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  69 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  70 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  71 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  72 #define IEEE80211_STYPE_BEACON          0x0080
  73 #define IEEE80211_STYPE_ATIM            0x0090
  74 #define IEEE80211_STYPE_DISASSOC        0x00A0
  75 #define IEEE80211_STYPE_AUTH            0x00B0
  76 #define IEEE80211_STYPE_DEAUTH          0x00C0
  77 #define IEEE80211_STYPE_ACTION          0x00D0
  78
  79 /* control */
  80 #define IEEE80211_STYPE_CTL_EXT         0x0060
  81 #define IEEE80211_STYPE_BACK_REQ        0x0080
  82 #define IEEE80211_STYPE_BACK            0x0090
  83 #define IEEE80211_STYPE_PSPOLL          0x00A0
  84 #define IEEE80211_STYPE_RTS             0x00B0
  85 #define IEEE80211_STYPE_CTS             0x00C0
  86 #define IEEE80211_STYPE_ACK             0x00D0
  87 #define IEEE80211_STYPE_CFEND           0x00E0
  88 #define IEEE80211_STYPE_CFENDACK        0x00F0
  89
  90 /* data */
  91 #define IEEE80211_STYPE_DATA                    0x0000
  92 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  93 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  94 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  95 #define IEEE80211_STYPE_NULLFUNC                0x0040
  96 #define IEEE80211_STYPE_CFACK                   0x0050
  97 #define IEEE80211_STYPE_CFPOLL                  0x0060
  98 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  99 #define IEEE80211_STYPE_QOS_DATA                0x0080
 100 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 103 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 104 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 105 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 106 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 107
 108 /* extension, added by 802.11ad */
 109 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 110
 111 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 112 #define IEEE80211_CTL_EXT_POLL          0x2000
 113 #define IEEE80211_CTL_EXT_SPR           0x3000
 114 #define IEEE80211_CTL_EXT_GRANT 0x4000
 115 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 116 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 117 #define IEEE80211_CTL_EXT_SSW           0x8000
 118 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 119 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 120
 121
 122 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 123 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 124 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 125
 126 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 127 {
 128         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 129 }
 130
 131 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 132 {
 133         return (sn1 + sn2) & IEEE80211_SN_MASK;
 134 }
 135
 136 static inline u16 ieee80211_sn_inc(u16 sn)
 137 {
 138         return ieee80211_sn_add(sn, 1);
 139 }
 140
 141 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 142 {
 143         return (sn1 - sn2) & IEEE80211_SN_MASK;
 144 }
 145
 146 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 147 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 148
 149 /* miscellaneous IEEE 802.11 constants */
 150 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 151 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 152 #define IEEE80211_MAX_AID               2007
 153 #define IEEE80211_MAX_TIM_LEN           251
 154 #define IEEE80211_MAX_MESH_PEERINGS     63
 155 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 156    6.2.1.1.2.
 157
 158    802.11e clarifies the figure in section 7.1.2. The frame body is
 159    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 160 #define IEEE80211_MAX_DATA_LEN          2304
 161 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 162  * to 7920 bytes, see 8.2.3 General frame format
 163  */
 164 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 165 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 166 #define IEEE80211_MAX_FRAME_LEN         2352
 167
 168 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 169 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 170
 171 /* Maximal size of an A-MSDU */
 172 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 173 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 174
 175 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 176 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 177 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 178
 179 #define IEEE80211_MAX_SSID_LEN          32
 180
 181 #define IEEE80211_MAX_MESH_ID_LEN       32
 182
 183 #define IEEE80211_FIRST_TSPEC_TSID      8
 184 #define IEEE80211_NUM_TIDS              16
 185
 186 /* number of user priorities 802.11 uses */
 187 #define IEEE80211_NUM_UPS               8
 188
 189 #define IEEE80211_QOS_CTL_LEN           2
 190 /* 1d tag mask */
 191 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 192 /* TID mask */
 193 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 194 /* EOSP */
 195 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 196 /* ACK policy */
 197 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 198 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 200 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 201 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 202 /* A-MSDU 802.11n */
 203 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 204 /* Mesh Control 802.11s */
 205 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 206
 207 /* Mesh Power Save Level */
 208 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 209 /* Mesh Receiver Service Period Initiated */
 210 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 211
 212 /* U-APSD queue for WMM IEs sent by AP */
 213 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 214 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 215
 216 /* U-APSD queues for WMM IEs sent by STA */
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 222
 223 /* U-APSD max SP length for WMM IEs sent by STA */
 224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 230
 231 #define IEEE80211_HT_CTL_LEN            4
 232
 233 struct ieee80211_hdr {
 234         __le16 frame_control;
 235         __le16 duration_id;
 236         u8 addr1[ETH_ALEN];
 237         u8 addr2[ETH_ALEN];
 238         u8 addr3[ETH_ALEN];
 239         __le16 seq_ctrl;
 240         u8 addr4[ETH_ALEN];
 241 } __packed __aligned(2);
 242
 243 struct ieee80211_hdr_3addr {
 244         __le16 frame_control;
 245         __le16 duration_id;
 246         u8 addr1[ETH_ALEN];
 247         u8 addr2[ETH_ALEN];
 248         u8 addr3[ETH_ALEN];
 249         __le16 seq_ctrl;
 250 } __packed __aligned(2);
 251
 252 struct ieee80211_qos_hdr {
 253         __le16 frame_control;
 254         __le16 duration_id;
 255         u8 addr1[ETH_ALEN];
 256         u8 addr2[ETH_ALEN];
 257         u8 addr3[ETH_ALEN];
 258         __le16 seq_ctrl;
 259         __le16 qos_ctrl;
 260 } __packed __aligned(2);
 261
 262 /**
 263  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 264  * @fc: frame control bytes in little-endian byteorder
 265  */
 266 static inline bool ieee80211_has_tods(__le16 fc)
 267 {
 268         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 269 }
 270
 271 /**
 272  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 273  * @fc: frame control bytes in little-endian byteorder
 274  */
 275 static inline bool ieee80211_has_fromds(__le16 fc)
 276 {
 277         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 278 }
 279
 280 /**
 281  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 282  * @fc: frame control bytes in little-endian byteorder
 283  */
 284 static inline bool ieee80211_has_a4(__le16 fc)
 285 {
 286         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 287         return (fc & tmp) == tmp;
 288 }
 289
 290 /**
 291  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 292  * @fc: frame control bytes in little-endian byteorder
 293  */
 294 static inline bool ieee80211_has_morefrags(__le16 fc)
 295 {
 296         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 297 }
 298
 299 /**
 300  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 301  * @fc: frame control bytes in little-endian byteorder
 302  */
 303 static inline bool ieee80211_has_retry(__le16 fc)
 304 {
 305         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 306 }
 307
 308 /**
 309  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 310  * @fc: frame control bytes in little-endian byteorder
 311  */
 312 static inline bool ieee80211_has_pm(__le16 fc)
 313 {
 314         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 315 }
 316
 317 /**
 318  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 319  * @fc: frame control bytes in little-endian byteorder
 320  */
 321 static inline bool ieee80211_has_moredata(__le16 fc)
 322 {
 323         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 324 }
 325
 326 /**
 327  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 328  * @fc: frame control bytes in little-endian byteorder
 329  */
 330 static inline bool ieee80211_has_protected(__le16 fc)
 331 {
 332         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 333 }
 334
 335 /**
 336  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 337  * @fc: frame control bytes in little-endian byteorder
 338  */
 339 static inline bool ieee80211_has_order(__le16 fc)
 340 {
 341         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 342 }
 343
 344 /**
 345  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 346  * @fc: frame control bytes in little-endian byteorder
 347  */
 348 static inline bool ieee80211_is_mgmt(__le16 fc)
 349 {
 350         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 351                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 352 }
 353
 354 /**
 355  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 356  * @fc: frame control bytes in little-endian byteorder
 357  */
 358 static inline bool ieee80211_is_ctl(__le16 fc)
 359 {
 360         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 361                cpu_to_le16(IEEE80211_FTYPE_CTL);
 362 }
 363
 364 /**
 365  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 366  * @fc: frame control bytes in little-endian byteorder
 367  */
 368 static inline bool ieee80211_is_data(__le16 fc)
 369 {
 370         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 371                cpu_to_le16(IEEE80211_FTYPE_DATA);
 372 }
 373
 374 /**
 375  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 376  * @fc: frame control bytes in little-endian byteorder
 377  */
 378 static inline bool ieee80211_is_data_qos(__le16 fc)
 379 {
 380         /*
 381          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 382          * to check the one bit
 383          */
 384         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 385                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 386 }
 387
 388 /**
 389  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 390  * @fc: frame control bytes in little-endian byteorder
 391  */
 392 static inline bool ieee80211_is_data_present(__le16 fc)
 393 {
 394         /*
 395          * mask with 0x40 and test that that bit is clear to only return true
 396          * for the data-containing substypes.
 397          */
 398         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 399                cpu_to_le16(IEEE80211_FTYPE_DATA);
 400 }
 401
 402 /**
 403  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 404  * @fc: frame control bytes in little-endian byteorder
 405  */
 406 static inline bool ieee80211_is_assoc_req(__le16 fc)
 407 {
 408         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 409                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 410 }
 411
 412 /**
 413  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 414  * @fc: frame control bytes in little-endian byteorder
 415  */
 416 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 417 {
 418         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 419                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 420 }
 421
 422 /**
 423  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 424  * @fc: frame control bytes in little-endian byteorder
 425  */
 426 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 427 {
 428         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 429                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 430 }
 431
 432 /**
 433  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 434  * @fc: frame control bytes in little-endian byteorder
 435  */
 436 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 437 {
 438         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 439                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 440 }
 441
 442 /**
 443  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 444  * @fc: frame control bytes in little-endian byteorder
 445  */
 446 static inline bool ieee80211_is_probe_req(__le16 fc)
 447 {
 448         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 449                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 450 }
 451
 452 /**
 453  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 454  * @fc: frame control bytes in little-endian byteorder
 455  */
 456 static inline bool ieee80211_is_probe_resp(__le16 fc)
 457 {
 458         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 459                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 460 }
 461
 462 /**
 463  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 464  * @fc: frame control bytes in little-endian byteorder
 465  */
 466 static inline bool ieee80211_is_beacon(__le16 fc)
 467 {
 468         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 469                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 470 }
 471
 472 /**
 473  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 474  * @fc: frame control bytes in little-endian byteorder
 475  */
 476 static inline bool ieee80211_is_atim(__le16 fc)
 477 {
 478         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 479                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 480 }
 481
 482 /**
 483  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 484  * @fc: frame control bytes in little-endian byteorder
 485  */
 486 static inline bool ieee80211_is_disassoc(__le16 fc)
 487 {
 488         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 489                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 490 }
 491
 492 /**
 493  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 494  * @fc: frame control bytes in little-endian byteorder
 495  */
 496 static inline bool ieee80211_is_auth(__le16 fc)
 497 {
 498         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 499                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 500 }
 501
 502 /**
 503  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 504  * @fc: frame control bytes in little-endian byteorder
 505  */
 506 static inline bool ieee80211_is_deauth(__le16 fc)
 507 {
 508         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 509                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 510 }
 511
 512 /**
 513  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 514  * @fc: frame control bytes in little-endian byteorder
 515  */
 516 static inline bool ieee80211_is_action(__le16 fc)
 517 {
 518         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 519                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 520 }
 521
 522 /**
 523  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 524  * @fc: frame control bytes in little-endian byteorder
 525  */
 526 static inline bool ieee80211_is_back_req(__le16 fc)
 527 {
 528         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 529                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 530 }
 531
 532 /**
 533  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 534  * @fc: frame control bytes in little-endian byteorder
 535  */
 536 static inline bool ieee80211_is_back(__le16 fc)
 537 {
 538         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 539                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 540 }
 541
 542 /**
 543  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 544  * @fc: frame control bytes in little-endian byteorder
 545  */
 546 static inline bool ieee80211_is_pspoll(__le16 fc)
 547 {
 548         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 549                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 550 }
 551
 552 /**
 553  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 554  * @fc: frame control bytes in little-endian byteorder
 555  */
 556 static inline bool ieee80211_is_rts(__le16 fc)
 557 {
 558         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 559                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 560 }
 561
 562 /**
 563  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 564  * @fc: frame control bytes in little-endian byteorder
 565  */
 566 static inline bool ieee80211_is_cts(__le16 fc)
 567 {
 568         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 569                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 570 }
 571
 572 /**
 573  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 574  * @fc: frame control bytes in little-endian byteorder
 575  */
 576 static inline bool ieee80211_is_ack(__le16 fc)
 577 {
 578         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 579                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 580 }
 581
 582 /**
 583  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 584  * @fc: frame control bytes in little-endian byteorder
 585  */
 586 static inline bool ieee80211_is_cfend(__le16 fc)
 587 {
 588         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 589                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 590 }
 591
 592 /**
 593  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 594  * @fc: frame control bytes in little-endian byteorder
 595  */
 596 static inline bool ieee80211_is_cfendack(__le16 fc)
 597 {
 598         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 599                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 600 }
 601
 602 /**
 603  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 604  * @fc: frame control bytes in little-endian byteorder
 605  */
 606 static inline bool ieee80211_is_nullfunc(__le16 fc)
 607 {
 608         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 609                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 610 }
 611
 612 /**
 613  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 614  * @fc: frame control bytes in little-endian byteorder
 615  */
 616 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 617 {
 618         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 619                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 620 }
 621
 622 /**
 623  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 624  * @fc: frame control field in little-endian byteorder
 625  */
 626 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 627 {
 628         /* IEEE 802.11-2012, definition of "bufferable management frame";
 629          * note that this ignores the IBSS special case. */
 630         return ieee80211_is_mgmt(fc) &&
 631                (ieee80211_is_action(fc) ||
 632                 ieee80211_is_disassoc(fc) ||
 633                 ieee80211_is_deauth(fc));
 634 }
 635
 636 /**
 637  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 638  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 639  */
 640 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 641 {
 642         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 643 }
 644
 645 /**
 646  * ieee80211_is_frag - check if a frame is a fragment
 647  * @hdr: 802.11 header of the frame
 648  */
 649 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 650 {
 651         return ieee80211_has_morefrags(hdr->frame_control) ||
 652                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 653 }
 654
 655 struct ieee80211s_hdr {
 656         u8 flags;
 657         u8 ttl;
 658         __le32 seqnum;
 659         u8 eaddr1[ETH_ALEN];
 660         u8 eaddr2[ETH_ALEN];
 661 } __packed __aligned(2);
 662
 663 /* Mesh flags */
 664 #define MESH_FLAGS_AE_A4        0x1
 665 #define MESH_FLAGS_AE_A5_A6     0x2
 666 #define MESH_FLAGS_AE           0x3
 667 #define MESH_FLAGS_PS_DEEP      0x4
 668
 669 /**
 670  * enum ieee80211_preq_flags - mesh PREQ element flags
 671  *
 672  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 673  */
 674 enum ieee80211_preq_flags {
 675         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 676 };
 677
 678 /**
 679  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 680  *
 681  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 682  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 683  */
 684 enum ieee80211_preq_target_flags {
 685         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 686         IEEE80211_PREQ_USN_FLAG = 1<<2,
 687 };
 688
 689 /**
 690  * struct ieee80211_quiet_ie
 691  *
 692  * This structure refers to "Quiet information element"
 693  */
 694 struct ieee80211_quiet_ie {
 695         u8 count;
 696         u8 period;
 697         __le16 duration;
 698         __le16 offset;
 699 } __packed;
 700
 701 /**
 702  * struct ieee80211_msrment_ie
 703  *
 704  * This structure refers to "Measurement Request/Report information element"
 705  */
 706 struct ieee80211_msrment_ie {
 707         u8 token;
 708         u8 mode;
 709         u8 type;
 710         u8 request[0];
 711 } __packed;
 712
 713 /**
 714  * struct ieee80211_channel_sw_ie
 715  *
 716  * This structure refers to "Channel Switch Announcement information element"
 717  */
 718 struct ieee80211_channel_sw_ie {
 719         u8 mode;
 720         u8 new_ch_num;
 721         u8 count;
 722 } __packed;
 723
 724 /**
 725  * struct ieee80211_ext_chansw_ie
 726  *
 727  * This structure represents the "Extended Channel Switch Announcement element"
 728  */
 729 struct ieee80211_ext_chansw_ie {
 730         u8 mode;
 731         u8 new_operating_class;
 732         u8 new_ch_num;
 733         u8 count;
 734 } __packed;
 735
 736 /**
 737  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 738  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 739  *      values here
 740  * This structure represents the "Secondary Channel Offset element"
 741  */
 742 struct ieee80211_sec_chan_offs_ie {
 743         u8 sec_chan_offs;
 744 } __packed;
 745
 746 /**
 747  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 748  *
 749  * This structure represents the "Mesh Channel Switch Paramters element"
 750  */
 751 struct ieee80211_mesh_chansw_params_ie {
 752         u8 mesh_ttl;
 753         u8 mesh_flags;
 754         __le16 mesh_reason;
 755         __le16 mesh_pre_value;
 756 } __packed;
 757
 758 /**
 759  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 760  */
 761 struct ieee80211_wide_bw_chansw_ie {
 762         u8 new_channel_width;
 763         u8 new_center_freq_seg0, new_center_freq_seg1;
 764 } __packed;
 765
 766 /**
 767  * struct ieee80211_tim
 768  *
 769  * This structure refers to "Traffic Indication Map information element"
 770  */
 771 struct ieee80211_tim_ie {
 772         u8 dtim_count;
 773         u8 dtim_period;
 774         u8 bitmap_ctrl;
 775         /* variable size: 1 - 251 bytes */
 776         u8 virtual_map[1];
 777 } __packed;
 778
 779 /**
 780  * struct ieee80211_meshconf_ie
 781  *
 782  * This structure refers to "Mesh Configuration information element"
 783  */
 784 struct ieee80211_meshconf_ie {
 785         u8 meshconf_psel;
 786         u8 meshconf_pmetric;
 787         u8 meshconf_congest;
 788         u8 meshconf_synch;
 789         u8 meshconf_auth;
 790         u8 meshconf_form;
 791         u8 meshconf_cap;
 792 } __packed;
 793
 794 /**
 795  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 796  *
 797  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 798  *      additional mesh peerings with other mesh STAs
 799  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 800  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 801  *      is ongoing
 802  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 803  *      neighbors in deep sleep mode
 804  */
 805 enum mesh_config_capab_flags {
 806         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 807         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 808         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 809         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 810 };
 811
 812 /**
 813  * mesh channel switch parameters element's flag indicator
 814  *
 815  */
 816 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 817 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 818 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 819
 820 /**
 821  * struct ieee80211_rann_ie
 822  *
 823  * This structure refers to "Root Announcement information element"
 824  */
 825 struct ieee80211_rann_ie {
 826         u8 rann_flags;
 827         u8 rann_hopcount;
 828         u8 rann_ttl;
 829         u8 rann_addr[ETH_ALEN];
 830         __le32 rann_seq;
 831         __le32 rann_interval;
 832         __le32 rann_metric;
 833 } __packed;
 834
 835 enum ieee80211_rann_flags {
 836         RANN_FLAG_IS_GATE = 1 << 0,
 837 };
 838
 839 enum ieee80211_ht_chanwidth_values {
 840         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 841         IEEE80211_HT_CHANWIDTH_ANY = 1,
 842 };
 843
 844 /**
 845  * enum ieee80211_opmode_bits - VHT operating mode field bits
 846  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 847  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 848  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 849  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 850  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 851  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 852  *      (the NSS value is the value of this field + 1)
 853  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 854  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 855  *      using a beamforming steering matrix
 856  */
 857 enum ieee80211_vht_opmode_bits {
 858         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 859         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 860         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 861         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 862         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 863         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 864         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 865         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 866 };
 867
 868 #define WLAN_SA_QUERY_TR_ID_LEN 2
 869 #define WLAN_MEMBERSHIP_LEN 8
 870 #define WLAN_USER_POSITION_LEN 16
 871
 872 /**
 873  * struct ieee80211_tpc_report_ie
 874  *
 875  * This structure refers to "TPC Report element"
 876  */
 877 struct ieee80211_tpc_report_ie {
 878         u8 tx_power;
 879         u8 link_margin;
 880 } __packed;
 881
 882 struct ieee80211_mgmt {
 883         __le16 frame_control;
 884         __le16 duration;
 885         u8 da[ETH_ALEN];
 886         u8 sa[ETH_ALEN];
 887         u8 bssid[ETH_ALEN];
 888         __le16 seq_ctrl;
 889         union {
 890                 struct {
 891                         __le16 auth_alg;
 892                         __le16 auth_transaction;
 893                         __le16 status_code;
 894                         /* possibly followed by Challenge text */
 895                         u8 variable[0];
 896                 } __packed auth;
 897                 struct {
 898                         __le16 reason_code;
 899                 } __packed deauth;
 900                 struct {
 901                         __le16 capab_info;
 902                         __le16 listen_interval;
 903                         /* followed by SSID and Supported rates */
 904                         u8 variable[0];
 905                 } __packed assoc_req;
 906                 struct {
 907                         __le16 capab_info;
 908                         __le16 status_code;
 909                         __le16 aid;
 910                         /* followed by Supported rates */
 911                         u8 variable[0];
 912                 } __packed assoc_resp, reassoc_resp;
 913                 struct {
 914                         __le16 capab_info;
 915                         __le16 listen_interval;
 916                         u8 current_ap[ETH_ALEN];
 917                         /* followed by SSID and Supported rates */
 918                         u8 variable[0];
 919                 } __packed reassoc_req;
 920                 struct {
 921                         __le16 reason_code;
 922                 } __packed disassoc;
 923                 struct {
 924                         __le64 timestamp;
 925                         __le16 beacon_int;
 926                         __le16 capab_info;
 927                         /* followed by some of SSID, Supported rates,
 928                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 929                         u8 variable[0];
 930                 } __packed beacon;
 931                 struct {
 932                         /* only variable items: SSID, Supported rates */
 933                         u8 variable[0];
 934                 } __packed probe_req;
 935                 struct {
 936                         __le64 timestamp;
 937                         __le16 beacon_int;
 938                         __le16 capab_info;
 939                         /* followed by some of SSID, Supported rates,
 940                          * FH Params, DS Params, CF Params, IBSS Params */
 941                         u8 variable[0];
 942                 } __packed probe_resp;
 943                 struct {
 944                         u8 category;
 945                         union {
 946                                 struct {
 947                                         u8 action_code;
 948                                         u8 dialog_token;
 949                                         u8 status_code;
 950                                         u8 variable[0];
 951                                 } __packed wme_action;
 952                                 struct{
 953                                         u8 action_code;
 954                                         u8 variable[0];
 955                                 } __packed chan_switch;
 956                                 struct{
 957                                         u8 action_code;
 958                                         struct ieee80211_ext_chansw_ie data;
 959                                         u8 variable[0];
 960                                 } __packed ext_chan_switch;
 961                                 struct{
 962                                         u8 action_code;
 963                                         u8 dialog_token;
 964                                         u8 element_id;
 965                                         u8 length;
 966                                         struct ieee80211_msrment_ie msr_elem;
 967                                 } __packed measurement;
 968                                 struct{
 969                                         u8 action_code;
 970                                         u8 dialog_token;
 971                                         __le16 capab;
 972                                         __le16 timeout;
 973                                         __le16 start_seq_num;
 974                                 } __packed addba_req;
 975                                 struct{
 976                                         u8 action_code;
 977                                         u8 dialog_token;
 978                                         __le16 status;
 979                                         __le16 capab;
 980                                         __le16 timeout;
 981                                 } __packed addba_resp;
 982                                 struct{
 983                                         u8 action_code;
 984                                         __le16 params;
 985                                         __le16 reason_code;
 986                                 } __packed delba;
 987                                 struct {
 988                                         u8 action_code;
 989                                         u8 variable[0];
 990                                 } __packed self_prot;
 991                                 struct{
 992                                         u8 action_code;
 993                                         u8 variable[0];
 994                                 } __packed mesh_action;
 995                                 struct {
 996                                         u8 action;
 997                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 998                                 } __packed sa_query;
 999                                 struct {
1000                                         u8 action;
1001                                         u8 smps_control;
1002                                 } __packed ht_smps;
1003                                 struct {
1004                                         u8 action_code;
1005                                         u8 chanwidth;
1006                                 } __packed ht_notify_cw;
1007                                 struct {
1008                                         u8 action_code;
1009                                         u8 dialog_token;
1010                                         __le16 capability;
1011                                         u8 variable[0];
1012                                 } __packed tdls_discover_resp;
1013                                 struct {
1014                                         u8 action_code;
1015                                         u8 operating_mode;
1016                                 } __packed vht_opmode_notif;
1017                                 struct {
1018                                         u8 action_code;
1019                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1020                                         u8 position[WLAN_USER_POSITION_LEN];
1021                                 } __packed vht_group_notif;
1022                                 struct {
1023                                         u8 action_code;
1024                                         u8 dialog_token;
1025                                         u8 tpc_elem_id;
1026                                         u8 tpc_elem_length;
1027                                         struct ieee80211_tpc_report_ie tpc;
1028                                 } __packed tpc_report;
1029                                 struct {
1030                                         u8 action_code;
1031                                         u8 dialog_token;
1032                                         u8 follow_up;
1033                                         u8 tod[6];
1034                                         u8 toa[6];
1035                                         __le16 tod_error;
1036                                         __le16 toa_error;
1037                                         u8 variable[0];
1038                                 } __packed ftm;
1039                         } u;
1040                 } __packed action;
1041         } u;
1042 } __packed __aligned(2);
1043
1044 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1045 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1046
1047 /* mgmt header + 1 byte category code */
1048 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1049
1050
1051 /* Management MIC information element (IEEE 802.11w) */
1052 struct ieee80211_mmie {
1053         u8 element_id;
1054         u8 length;
1055         __le16 key_id;
1056         u8 sequence_number[6];
1057         u8 mic[8];
1058 } __packed;
1059
1060 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1061 struct ieee80211_mmie_16 {
1062         u8 element_id;
1063         u8 length;
1064         __le16 key_id;
1065         u8 sequence_number[6];
1066         u8 mic[16];
1067 } __packed;
1068
1069 struct ieee80211_vendor_ie {
1070         u8 element_id;
1071         u8 len;
1072         u8 oui[3];
1073         u8 oui_type;
1074 } __packed;
1075
1076 struct ieee80211_wmm_ac_param {
1077         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1078         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1079         __le16 txop_limit;
1080 } __packed;
1081
1082 struct ieee80211_wmm_param_ie {
1083         u8 element_id; /* Element ID: 221 (0xdd); */
1084         u8 len; /* Length: 24 */
1085         /* required fields for WMM version 1 */
1086         u8 oui[3]; /* 00:50:f2 */
1087         u8 oui_type; /* 2 */
1088         u8 oui_subtype; /* 1 */
1089         u8 version; /* 1 for WMM version 1.0 */
1090         u8 qos_info; /* AP/STA specific QoS info */
1091         u8 reserved; /* 0 */
1092         /* AC_BE, AC_BK, AC_VI, AC_VO */
1093         struct ieee80211_wmm_ac_param ac[4];
1094 } __packed;
1095
1096 /* Control frames */
1097 struct ieee80211_rts {
1098         __le16 frame_control;
1099         __le16 duration;
1100         u8 ra[ETH_ALEN];
1101         u8 ta[ETH_ALEN];
1102 } __packed __aligned(2);
1103
1104 struct ieee80211_cts {
1105         __le16 frame_control;
1106         __le16 duration;
1107         u8 ra[ETH_ALEN];
1108 } __packed __aligned(2);
1109
1110 struct ieee80211_pspoll {
1111         __le16 frame_control;
1112         __le16 aid;
1113         u8 bssid[ETH_ALEN];
1114         u8 ta[ETH_ALEN];
1115 } __packed __aligned(2);
1116
1117 /* TDLS */
1118
1119 /* Channel switch timing */
1120 struct ieee80211_ch_switch_timing {
1121         __le16 switch_time;
1122         __le16 switch_timeout;
1123 } __packed;
1124
1125 /* Link-id information element */
1126 struct ieee80211_tdls_lnkie {
1127         u8 ie_type; /* Link Identifier IE */
1128         u8 ie_len;
1129         u8 bssid[ETH_ALEN];
1130         u8 init_sta[ETH_ALEN];
1131         u8 resp_sta[ETH_ALEN];
1132 } __packed;
1133
1134 struct ieee80211_tdls_data {
1135         u8 da[ETH_ALEN];
1136         u8 sa[ETH_ALEN];
1137         __be16 ether_type;
1138         u8 payload_type;
1139         u8 category;
1140         u8 action_code;
1141         union {
1142                 struct {
1143                         u8 dialog_token;
1144                         __le16 capability;
1145                         u8 variable[0];
1146                 } __packed setup_req;
1147                 struct {
1148                         __le16 status_code;
1149                         u8 dialog_token;
1150                         __le16 capability;
1151                         u8 variable[0];
1152                 } __packed setup_resp;
1153                 struct {
1154                         __le16 status_code;
1155                         u8 dialog_token;
1156                         u8 variable[0];
1157                 } __packed setup_cfm;
1158                 struct {
1159                         __le16 reason_code;
1160                         u8 variable[0];
1161                 } __packed teardown;
1162                 struct {
1163                         u8 dialog_token;
1164                         u8 variable[0];
1165                 } __packed discover_req;
1166                 struct {
1167                         u8 target_channel;
1168                         u8 oper_class;
1169                         u8 variable[0];
1170                 } __packed chan_switch_req;
1171                 struct {
1172                         __le16 status_code;
1173                         u8 variable[0];
1174                 } __packed chan_switch_resp;
1175         } u;
1176 } __packed;
1177
1178 /*
1179  * Peer-to-Peer IE attribute related definitions.
1180  */
1181 /**
1182  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1183  */
1184 enum ieee80211_p2p_attr_id {
1185         IEEE80211_P2P_ATTR_STATUS = 0,
1186         IEEE80211_P2P_ATTR_MINOR_REASON,
1187         IEEE80211_P2P_ATTR_CAPABILITY,
1188         IEEE80211_P2P_ATTR_DEVICE_ID,
1189         IEEE80211_P2P_ATTR_GO_INTENT,
1190         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1191         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1192         IEEE80211_P2P_ATTR_GROUP_BSSID,
1193         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1194         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1195         IEEE80211_P2P_ATTR_MANAGABILITY,
1196         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1197         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1198         IEEE80211_P2P_ATTR_DEVICE_INFO,
1199         IEEE80211_P2P_ATTR_GROUP_INFO,
1200         IEEE80211_P2P_ATTR_GROUP_ID,
1201         IEEE80211_P2P_ATTR_INTERFACE,
1202         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1203         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1204         /* 19 - 220: Reserved */
1205         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1206
1207         IEEE80211_P2P_ATTR_MAX
1208 };
1209
1210 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1211 /* Typical max value used here */
1212 #define IEEE80211_P2P_NOA_DESC_MAX      4
1213
1214 struct ieee80211_p2p_noa_desc {
1215         u8 count;
1216         __le32 duration;
1217         __le32 interval;
1218         __le32 start_time;
1219 } __packed;
1220
1221 struct ieee80211_p2p_noa_attr {
1222         u8 index;
1223         u8 oppps_ctwindow;
1224         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1225 } __packed;
1226
1227 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1228 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1229
1230 /**
1231  * struct ieee80211_bar - HT Block Ack Request
1232  *
1233  * This structure refers to "HT BlockAckReq" as
1234  * described in 802.11n draft section 7.2.1.7.1
1235  */
1236 struct ieee80211_bar {
1237         __le16 frame_control;
1238         __le16 duration;
1239         __u8 ra[ETH_ALEN];
1240         __u8 ta[ETH_ALEN];
1241         __le16 control;
1242         __le16 start_seq_num;
1243 } __packed;
1244
1245 /* 802.11 BAR control masks */
1246 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1247 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1248 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1249 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1250 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1251
1252 #define IEEE80211_HT_MCS_MASK_LEN               10
1253
1254 /**
1255  * struct ieee80211_mcs_info - MCS information
1256  * @rx_mask: RX mask
1257  * @rx_highest: highest supported RX rate. If set represents
1258  *      the highest supported RX data rate in units of 1 Mbps.
1259  *      If this field is 0 this value should not be used to
1260  *      consider the highest RX data rate supported.
1261  * @tx_params: TX parameters
1262  */
1263 struct ieee80211_mcs_info {
1264         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1265         __le16 rx_highest;
1266         u8 tx_params;
1267         u8 reserved[3];
1268 } __packed;
1269
1270 /* 802.11n HT capability MSC set */
1271 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1272 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1273 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1274 /* value 0 == 1 stream etc */
1275 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1276 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1277 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1278 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1279
1280 /*
1281  * 802.11n D5.0 20.3.5 / 20.6 says:
1282  * - indices 0 to 7 and 32 are single spatial stream
1283  * - 8 to 31 are multiple spatial streams using equal modulation
1284  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1285  * - remainder are multiple spatial streams using unequal modulation
1286  */
1287 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1288 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1289         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1290
1291 /**
1292  * struct ieee80211_ht_cap - HT capabilities
1293  *
1294  * This structure is the "HT capabilities element" as
1295  * described in 802.11n D5.0 7.3.2.57
1296  */
1297 struct ieee80211_ht_cap {
1298         __le16 cap_info;
1299         u8 ampdu_params_info;
1300
1301         /* 16 bytes MCS information */
1302         struct ieee80211_mcs_info mcs;
1303
1304         __le16 extended_ht_cap_info;
1305         __le32 tx_BF_cap_info;
1306         u8 antenna_selection_info;
1307 } __packed;
1308
1309 /* 802.11n HT capabilities masks (for cap_info) */
1310 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1311 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1312 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1313 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1314 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1315 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1316 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1317 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1318 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1319 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1320 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1321 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1322 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1323 #define IEEE80211_HT_CAP_RESERVED               0x2000
1324 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1325 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1326
1327 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1328 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1329 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1330 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1331 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1332 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1333 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1334 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1335
1336 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1337 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1338 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1339 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1340
1341 /*
1342  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1343  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1344  */
1345 enum ieee80211_max_ampdu_length_exp {
1346         IEEE80211_HT_MAX_AMPDU_8K = 0,
1347         IEEE80211_HT_MAX_AMPDU_16K = 1,
1348         IEEE80211_HT_MAX_AMPDU_32K = 2,
1349         IEEE80211_HT_MAX_AMPDU_64K = 3
1350 };
1351
1352 /*
1353  * Maximum length of AMPDU that the STA can receive in VHT.
1354  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1355  */
1356 enum ieee80211_vht_max_ampdu_length_exp {
1357         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1358         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1359         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1360         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1361         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1362         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1363         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1364         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1365 };
1366
1367 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1368
1369 /* Minimum MPDU start spacing */
1370 enum ieee80211_min_mpdu_spacing {
1371         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1372         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1373         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1374         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1375         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1376         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1377         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1378         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1379 };
1380
1381 /**
1382  * struct ieee80211_ht_operation - HT operation IE
1383  *
1384  * This structure is the "HT operation element" as
1385  * described in 802.11n-2009 7.3.2.57
1386  */
1387 struct ieee80211_ht_operation {
1388         u8 primary_chan;
1389         u8 ht_param;
1390         __le16 operation_mode;
1391         __le16 stbc_param;
1392         u8 basic_set[16];
1393 } __packed;
1394
1395 /* for ht_param */
1396 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1397 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1398 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1399 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1400 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1401 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1402
1403 /* for operation_mode */
1404 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1405 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1406 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1407 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1408 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1409 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1410 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1411
1412 /* for stbc_param */
1413 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1414 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1415 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1416 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1417 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1418 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1419
1420
1421 /* block-ack parameters */
1422 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1423 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1424 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1425 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1426 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1427 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1428
1429 /*
1430  * A-PMDU buffer sizes
1431  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1432  */
1433 #define IEEE80211_MIN_AMPDU_BUF 0x8
1434 #define IEEE80211_MAX_AMPDU_BUF 0x40
1435
1436
1437 /* Spatial Multiplexing Power Save Modes (for capability) */
1438 #define WLAN_HT_CAP_SM_PS_STATIC        0
1439 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1440 #define WLAN_HT_CAP_SM_PS_INVALID       2
1441 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1442
1443 /* for SM power control field lower two bits */
1444 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1445 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1446 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1447
1448 /**
1449  * struct ieee80211_vht_mcs_info - VHT MCS information
1450  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1451  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1452  *      STA can receive. Rate expressed in units of 1 Mbps.
1453  *      If this field is 0 this value should not be used to
1454  *      consider the highest RX data rate supported.
1455  *      The top 3 bits of this field are reserved.
1456  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1457  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1458  *      STA can transmit. Rate expressed in units of 1 Mbps.
1459  *      If this field is 0 this value should not be used to
1460  *      consider the highest TX data rate supported.
1461  *      The top 3 bits of this field are reserved.
1462  */
1463 struct ieee80211_vht_mcs_info {
1464         __le16 rx_mcs_map;
1465         __le16 rx_highest;
1466         __le16 tx_mcs_map;
1467         __le16 tx_highest;
1468 } __packed;
1469
1470 /**
1471  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1472  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1473  *      number of streams
1474  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1475  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1476  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1477  *
1478  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1479  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1480  * both split into 8 subfields by number of streams. These values indicate
1481  * which MCSes are supported for the number of streams the value appears
1482  * for.
1483  */
1484 enum ieee80211_vht_mcs_support {
1485         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1486         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1487         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1488         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1489 };
1490
1491 /**
1492  * struct ieee80211_vht_cap - VHT capabilities
1493  *
1494  * This structure is the "VHT capabilities element" as
1495  * described in 802.11ac D3.0 8.4.2.160
1496  * @vht_cap_info: VHT capability info
1497  * @supp_mcs: VHT MCS supported rates
1498  */
1499 struct ieee80211_vht_cap {
1500         __le32 vht_cap_info;
1501         struct ieee80211_vht_mcs_info supp_mcs;
1502 } __packed;
1503
1504 /**
1505  * enum ieee80211_vht_chanwidth - VHT channel width
1506  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1507  *      determine the channel width (20 or 40 MHz)
1508  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1509  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1510  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1511  */
1512 enum ieee80211_vht_chanwidth {
1513         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1514         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1515         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1516         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1517 };
1518
1519 /**
1520  * struct ieee80211_vht_operation - VHT operation IE
1521  *
1522  * This structure is the "VHT operation element" as
1523  * described in 802.11ac D3.0 8.4.2.161
1524  * @chan_width: Operating channel width
1525  * @center_freq_seg1_idx: center freq segment 1 index
1526  * @center_freq_seg2_idx: center freq segment 2 index
1527  * @basic_mcs_set: VHT Basic MCS rate set
1528  */
1529 struct ieee80211_vht_operation {
1530         u8 chan_width;
1531         u8 center_freq_seg1_idx;
1532         u8 center_freq_seg2_idx;
1533         __le16 basic_mcs_set;
1534 } __packed;
1535
1536
1537 /* 802.11ac VHT Capabilities */
1538 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1539 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1540 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1541 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1542 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1543 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1544 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1545 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1546 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1547 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1548 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1549 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1550 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1551 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1552 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1553 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1554 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1555 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1556 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1557 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1558                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1559 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1560 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1561                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1562 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1563 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1564 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1565 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1566 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1567 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1568                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1569 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1570 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1571 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1572 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1573
1574 /* Authentication algorithms */
1575 #define WLAN_AUTH_OPEN 0
1576 #define WLAN_AUTH_SHARED_KEY 1
1577 #define WLAN_AUTH_FT 2
1578 #define WLAN_AUTH_SAE 3
1579 #define WLAN_AUTH_LEAP 128
1580
1581 #define WLAN_AUTH_CHALLENGE_LEN 128
1582
1583 #define WLAN_CAPABILITY_ESS             (1<<0)
1584 #define WLAN_CAPABILITY_IBSS            (1<<1)
1585
1586 /*
1587  * A mesh STA sets the ESS and IBSS capability bits to zero.
1588  * however, this holds true for p2p probe responses (in the p2p_find
1589  * phase) as well.
1590  */
1591 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1592         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1593
1594 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1595 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1596 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1597 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1598 #define WLAN_CAPABILITY_PBCC            (1<<6)
1599 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1600
1601 /* 802.11h */
1602 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1603 #define WLAN_CAPABILITY_QOS             (1<<9)
1604 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1605 #define WLAN_CAPABILITY_APSD            (1<<11)
1606 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1607 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1608 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1609 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1610
1611 /* DMG (60gHz) 802.11ad */
1612 /* type - bits 0..1 */
1613 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1614 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1615 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1616 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1617
1618 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1619 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1620 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1621 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1622
1623 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1624 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1625
1626 /* measurement */
1627 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1628 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1629 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1630
1631 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1632 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1633 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1634
1635 /* 802.11g ERP information element */
1636 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1637 #define WLAN_ERP_USE_PROTECTION (1<<1)
1638 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1639
1640 /* WLAN_ERP_BARKER_PREAMBLE values */
1641 enum {
1642         WLAN_ERP_PREAMBLE_SHORT = 0,
1643         WLAN_ERP_PREAMBLE_LONG = 1,
1644 };
1645
1646 /* Band ID, 802.11ad #8.4.1.45 */
1647 enum {
1648         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1649         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1650         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1651         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1652         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1653         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1654 };
1655
1656 /* Status codes */
1657 enum ieee80211_statuscode {
1658         WLAN_STATUS_SUCCESS = 0,
1659         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1660         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1661         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1662         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1663         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1664         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1665         WLAN_STATUS_CHALLENGE_FAIL = 15,
1666         WLAN_STATUS_AUTH_TIMEOUT = 16,
1667         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1668         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1669         /* 802.11b */
1670         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1671         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1672         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1673         /* 802.11h */
1674         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1675         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1676         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1677         /* 802.11g */
1678         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1679         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1680         /* 802.11w */
1681         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1682         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1683         /* 802.11i */
1684         WLAN_STATUS_INVALID_IE = 40,
1685         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1686         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1687         WLAN_STATUS_INVALID_AKMP = 43,
1688         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1689         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1690         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1691         /* 802.11e */
1692         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1693         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1694         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1695         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1696         WLAN_STATUS_REQUEST_DECLINED = 37,
1697         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1698         WLAN_STATUS_CHANGE_TSPEC = 39,
1699         WLAN_STATUS_WAIT_TS_DELAY = 47,
1700         WLAN_STATUS_NO_DIRECT_LINK = 48,
1701         WLAN_STATUS_STA_NOT_PRESENT = 49,
1702         WLAN_STATUS_STA_NOT_QSTA = 50,
1703         /* 802.11s */
1704         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1705         WLAN_STATUS_FCG_NOT_SUPP = 78,
1706         WLAN_STATUS_STA_NO_TBTT = 78,
1707         /* 802.11ad */
1708         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1709         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1710         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1711         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1712         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1713         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1714         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1715         WLAN_STATUS_REJECT_DSE_BAND = 96,
1716         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1717         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1718 };
1719
1720
1721 /* Reason codes */
1722 enum ieee80211_reasoncode {
1723         WLAN_REASON_UNSPECIFIED = 1,
1724         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1725         WLAN_REASON_DEAUTH_LEAVING = 3,
1726         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1727         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1728         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1729         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1730         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1731         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1732         /* 802.11h */
1733         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1734         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1735         /* 802.11i */
1736         WLAN_REASON_INVALID_IE = 13,
1737         WLAN_REASON_MIC_FAILURE = 14,
1738         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1739         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1740         WLAN_REASON_IE_DIFFERENT = 17,
1741         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1742         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1743         WLAN_REASON_INVALID_AKMP = 20,
1744         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1745         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1746         WLAN_REASON_IEEE8021X_FAILED = 23,
1747         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1748         /* TDLS (802.11z) */
1749         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1750         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1751         /* 802.11e */
1752         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1753         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1754         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1755         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1756         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1757         WLAN_REASON_QSTA_NOT_USE = 37,
1758         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1759         WLAN_REASON_QSTA_TIMEOUT = 39,
1760         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1761         /* 802.11s */
1762         WLAN_REASON_MESH_PEER_CANCELED = 52,
1763         WLAN_REASON_MESH_MAX_PEERS = 53,
1764         WLAN_REASON_MESH_CONFIG = 54,
1765         WLAN_REASON_MESH_CLOSE = 55,
1766         WLAN_REASON_MESH_MAX_RETRIES = 56,
1767         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1768         WLAN_REASON_MESH_INVALID_GTK = 58,
1769         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1770         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1771         WLAN_REASON_MESH_PATH_ERROR = 61,
1772         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1773         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1774         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1775         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1776         WLAN_REASON_MESH_CHAN = 66,
1777 };
1778
1779
1780 /* Information Element IDs */
1781 enum ieee80211_eid {
1782         WLAN_EID_SSID = 0,
1783         WLAN_EID_SUPP_RATES = 1,
1784         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1785         WLAN_EID_DS_PARAMS = 3,
1786         WLAN_EID_CF_PARAMS = 4,
1787         WLAN_EID_TIM = 5,
1788         WLAN_EID_IBSS_PARAMS = 6,
1789         WLAN_EID_COUNTRY = 7,
1790         /* 8, 9 reserved */
1791         WLAN_EID_REQUEST = 10,
1792         WLAN_EID_QBSS_LOAD = 11,
1793         WLAN_EID_EDCA_PARAM_SET = 12,
1794         WLAN_EID_TSPEC = 13,
1795         WLAN_EID_TCLAS = 14,
1796         WLAN_EID_SCHEDULE = 15,
1797         WLAN_EID_CHALLENGE = 16,
1798         /* 17-31 reserved for challenge text extension */
1799         WLAN_EID_PWR_CONSTRAINT = 32,
1800         WLAN_EID_PWR_CAPABILITY = 33,
1801         WLAN_EID_TPC_REQUEST = 34,
1802         WLAN_EID_TPC_REPORT = 35,
1803         WLAN_EID_SUPPORTED_CHANNELS = 36,
1804         WLAN_EID_CHANNEL_SWITCH = 37,
1805         WLAN_EID_MEASURE_REQUEST = 38,
1806         WLAN_EID_MEASURE_REPORT = 39,
1807         WLAN_EID_QUIET = 40,
1808         WLAN_EID_IBSS_DFS = 41,
1809         WLAN_EID_ERP_INFO = 42,
1810         WLAN_EID_TS_DELAY = 43,
1811         WLAN_EID_TCLAS_PROCESSING = 44,
1812         WLAN_EID_HT_CAPABILITY = 45,
1813         WLAN_EID_QOS_CAPA = 46,
1814         /* 47 reserved for Broadcom */
1815         WLAN_EID_RSN = 48,
1816         WLAN_EID_802_15_COEX = 49,
1817         WLAN_EID_EXT_SUPP_RATES = 50,
1818         WLAN_EID_AP_CHAN_REPORT = 51,
1819         WLAN_EID_NEIGHBOR_REPORT = 52,
1820         WLAN_EID_RCPI = 53,
1821         WLAN_EID_MOBILITY_DOMAIN = 54,
1822         WLAN_EID_FAST_BSS_TRANSITION = 55,
1823         WLAN_EID_TIMEOUT_INTERVAL = 56,
1824         WLAN_EID_RIC_DATA = 57,
1825         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1826         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1827         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1828         WLAN_EID_HT_OPERATION = 61,
1829         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1830         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1831         WLAN_EID_ANTENNA_INFO = 64,
1832         WLAN_EID_RSNI = 65,
1833         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1834         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1835         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1836         WLAN_EID_TIME_ADVERTISEMENT = 69,
1837         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1838         WLAN_EID_MULTIPLE_BSSID = 71,
1839         WLAN_EID_BSS_COEX_2040 = 72,
1840         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1841         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1842         WLAN_EID_RIC_DESCRIPTOR = 75,
1843         WLAN_EID_MMIE = 76,
1844         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1845         WLAN_EID_EVENT_REQUEST = 78,
1846         WLAN_EID_EVENT_REPORT = 79,
1847         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1848         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1849         WLAN_EID_LOCATION_PARAMS = 82,
1850         WLAN_EID_NON_TX_BSSID_CAP =  83,
1851         WLAN_EID_SSID_LIST = 84,
1852         WLAN_EID_MULTI_BSSID_IDX = 85,
1853         WLAN_EID_FMS_DESCRIPTOR = 86,
1854         WLAN_EID_FMS_REQUEST = 87,
1855         WLAN_EID_FMS_RESPONSE = 88,
1856         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1857         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1858         WLAN_EID_TSF_REQUEST = 91,
1859         WLAN_EID_TSF_RESPOSNE = 92,
1860         WLAN_EID_WNM_SLEEP_MODE = 93,
1861         WLAN_EID_TIM_BCAST_REQ = 94,
1862         WLAN_EID_TIM_BCAST_RESP = 95,
1863         WLAN_EID_COLL_IF_REPORT = 96,
1864         WLAN_EID_CHANNEL_USAGE = 97,
1865         WLAN_EID_TIME_ZONE = 98,
1866         WLAN_EID_DMS_REQUEST = 99,
1867         WLAN_EID_DMS_RESPONSE = 100,
1868         WLAN_EID_LINK_ID = 101,
1869         WLAN_EID_WAKEUP_SCHEDUL = 102,
1870         /* 103 reserved */
1871         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1872         WLAN_EID_PTI_CONTROL = 105,
1873         WLAN_EID_PU_BUFFER_STATUS = 106,
1874         WLAN_EID_INTERWORKING = 107,
1875         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1876         WLAN_EID_EXPEDITED_BW_REQ = 109,
1877         WLAN_EID_QOS_MAP_SET = 110,
1878         WLAN_EID_ROAMING_CONSORTIUM = 111,
1879         WLAN_EID_EMERGENCY_ALERT = 112,
1880         WLAN_EID_MESH_CONFIG = 113,
1881         WLAN_EID_MESH_ID = 114,
1882         WLAN_EID_LINK_METRIC_REPORT = 115,
1883         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1884         WLAN_EID_PEER_MGMT = 117,
1885         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1886         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1887         WLAN_EID_BEACON_TIMING = 120,
1888         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1889         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1890         WLAN_EID_MCCAOP_ADVERT = 123,
1891         WLAN_EID_MCCAOP_TEARDOWN = 124,
1892         WLAN_EID_GANN = 125,
1893         WLAN_EID_RANN = 126,
1894         WLAN_EID_EXT_CAPABILITY = 127,
1895         /* 128, 129 reserved for Agere */
1896         WLAN_EID_PREQ = 130,
1897         WLAN_EID_PREP = 131,
1898         WLAN_EID_PERR = 132,
1899         /* 133-136 reserved for Cisco */
1900         WLAN_EID_PXU = 137,
1901         WLAN_EID_PXUC = 138,
1902         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1903         WLAN_EID_MIC = 140,
1904         WLAN_EID_DESTINATION_URI = 141,
1905         WLAN_EID_UAPSD_COEX = 142,
1906         WLAN_EID_WAKEUP_SCHEDULE = 143,
1907         WLAN_EID_EXT_SCHEDULE = 144,
1908         WLAN_EID_STA_AVAILABILITY = 145,
1909         WLAN_EID_DMG_TSPEC = 146,
1910         WLAN_EID_DMG_AT = 147,
1911         WLAN_EID_DMG_CAP = 148,
1912         /* 149 reserved for Cisco */
1913         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1914         WLAN_EID_DMG_OPERATION = 151,
1915         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1916         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1917         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1918         /* 155-156 reserved for Cisco */
1919         WLAN_EID_AWAKE_WINDOW = 157,
1920         WLAN_EID_MULTI_BAND = 158,
1921         WLAN_EID_ADDBA_EXT = 159,
1922         WLAN_EID_NEXT_PCP_LIST = 160,
1923         WLAN_EID_PCP_HANDOVER = 161,
1924         WLAN_EID_DMG_LINK_MARGIN = 162,
1925         WLAN_EID_SWITCHING_STREAM = 163,
1926         WLAN_EID_SESSION_TRANSITION = 164,
1927         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1928         WLAN_EID_CLUSTER_REPORT = 166,
1929         WLAN_EID_RELAY_CAP = 167,
1930         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1931         WLAN_EID_BEAM_LINK_MAINT = 169,
1932         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1933         WLAN_EID_U_PID = 171,
1934         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1935         /* 173 reserved for Symbol */
1936         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1937         WLAN_EID_QUIET_PERIOD_REQ = 175,
1938         /* 176 reserved for Symbol */
1939         WLAN_EID_QUIET_PERIOD_RESP = 177,
1940         /* 178-179 reserved for Symbol */
1941         /* 180 reserved for ISO/IEC 20011 */
1942         WLAN_EID_EPAC_POLICY = 182,
1943         WLAN_EID_CLISTER_TIME_OFF = 183,
1944         WLAN_EID_INTER_AC_PRIO = 184,
1945         WLAN_EID_SCS_DESCRIPTOR = 185,
1946         WLAN_EID_QLOAD_REPORT = 186,
1947         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1948         WLAN_EID_HL_STREAM_ID = 188,
1949         WLAN_EID_GCR_GROUP_ADDR = 189,
1950         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1951         WLAN_EID_VHT_CAPABILITY = 191,
1952         WLAN_EID_VHT_OPERATION = 192,
1953         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1954         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1955         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1956         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1957         WLAN_EID_AID = 197,
1958         WLAN_EID_QUIET_CHANNEL = 198,
1959         WLAN_EID_OPMODE_NOTIF = 199,
1960
1961         WLAN_EID_VENDOR_SPECIFIC = 221,
1962         WLAN_EID_QOS_PARAMETER = 222,
1963 };
1964
1965 /* Action category code */
1966 enum ieee80211_category {
1967         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1968         WLAN_CATEGORY_QOS = 1,
1969         WLAN_CATEGORY_DLS = 2,
1970         WLAN_CATEGORY_BACK = 3,
1971         WLAN_CATEGORY_PUBLIC = 4,
1972         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
1973         WLAN_CATEGORY_HT = 7,
1974         WLAN_CATEGORY_SA_QUERY = 8,
1975         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1976         WLAN_CATEGORY_WNM = 10,
1977         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
1978         WLAN_CATEGORY_TDLS = 12,
1979         WLAN_CATEGORY_MESH_ACTION = 13,
1980         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1981         WLAN_CATEGORY_SELF_PROTECTED = 15,
1982         WLAN_CATEGORY_DMG = 16,
1983         WLAN_CATEGORY_WMM = 17,
1984         WLAN_CATEGORY_FST = 18,
1985         WLAN_CATEGORY_UNPROT_DMG = 20,
1986         WLAN_CATEGORY_VHT = 21,
1987         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1988         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1989 };
1990
1991 /* SPECTRUM_MGMT action code */
1992 enum ieee80211_spectrum_mgmt_actioncode {
1993         WLAN_ACTION_SPCT_MSR_REQ = 0,
1994         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1995         WLAN_ACTION_SPCT_TPC_REQ = 2,
1996         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1997         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1998 };
1999
2000 /* HT action codes */
2001 enum ieee80211_ht_actioncode {
2002         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2003         WLAN_HT_ACTION_SMPS = 1,
2004         WLAN_HT_ACTION_PSMP = 2,
2005         WLAN_HT_ACTION_PCO_PHASE = 3,
2006         WLAN_HT_ACTION_CSI = 4,
2007         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2008         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2009         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2010 };
2011
2012 /* VHT action codes */
2013 enum ieee80211_vht_actioncode {
2014         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2015         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2016         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2017 };
2018
2019 /* Self Protected Action codes */
2020 enum ieee80211_self_protected_actioncode {
2021         WLAN_SP_RESERVED = 0,
2022         WLAN_SP_MESH_PEERING_OPEN = 1,
2023         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2024         WLAN_SP_MESH_PEERING_CLOSE = 3,
2025         WLAN_SP_MGK_INFORM = 4,
2026         WLAN_SP_MGK_ACK = 5,
2027 };
2028
2029 /* Mesh action codes */
2030 enum ieee80211_mesh_actioncode {
2031         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2032         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2033         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2034         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2035         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2036         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2037         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2038         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2039         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2040         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2041         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2042 };
2043
2044 /* Security key length */
2045 enum ieee80211_key_len {
2046         WLAN_KEY_LEN_WEP40 = 5,
2047         WLAN_KEY_LEN_WEP104 = 13,
2048         WLAN_KEY_LEN_CCMP = 16,
2049         WLAN_KEY_LEN_CCMP_256 = 32,
2050         WLAN_KEY_LEN_TKIP = 32,
2051         WLAN_KEY_LEN_AES_CMAC = 16,
2052         WLAN_KEY_LEN_SMS4 = 32,
2053         WLAN_KEY_LEN_GCMP = 16,
2054         WLAN_KEY_LEN_GCMP_256 = 32,
2055         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2056         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2057         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2058 };
2059
2060 #define IEEE80211_WEP_IV_LEN            4
2061 #define IEEE80211_WEP_ICV_LEN           4
2062 #define IEEE80211_CCMP_HDR_LEN          8
2063 #define IEEE80211_CCMP_MIC_LEN          8
2064 #define IEEE80211_CCMP_PN_LEN           6
2065 #define IEEE80211_CCMP_256_HDR_LEN      8
2066 #define IEEE80211_CCMP_256_MIC_LEN      16
2067 #define IEEE80211_CCMP_256_PN_LEN       6
2068 #define IEEE80211_TKIP_IV_LEN           8
2069 #define IEEE80211_TKIP_ICV_LEN          4
2070 #define IEEE80211_CMAC_PN_LEN           6
2071 #define IEEE80211_GMAC_PN_LEN           6
2072 #define IEEE80211_GCMP_HDR_LEN          8
2073 #define IEEE80211_GCMP_MIC_LEN          16
2074 #define IEEE80211_GCMP_PN_LEN           6
2075
2076 /* Public action codes */
2077 enum ieee80211_pub_actioncode {
2078         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2079         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2080 };
2081
2082 /* TDLS action codes */
2083 enum ieee80211_tdls_actioncode {
2084         WLAN_TDLS_SETUP_REQUEST = 0,
2085         WLAN_TDLS_SETUP_RESPONSE = 1,
2086         WLAN_TDLS_SETUP_CONFIRM = 2,
2087         WLAN_TDLS_TEARDOWN = 3,
2088         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2089         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2090         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2091         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2092         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2093         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2094         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2095 };
2096
2097 /* Extended Channel Switching capability to be set in the 1st byte of
2098  * the @WLAN_EID_EXT_CAPABILITY information element
2099  */
2100 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2101
2102 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2103 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2104 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2105 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2106
2107 /* Interworking capabilities are set in 7th bit of 4th byte of the
2108  * @WLAN_EID_EXT_CAPABILITY information element
2109  */
2110 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2111
2112 /*
2113  * TDLS capabililites to be enabled in the 5th byte of the
2114  * @WLAN_EID_EXT_CAPABILITY information element
2115  */
2116 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2117 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2118 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2119
2120 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2121 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2122
2123 /* Defines the maximal number of MSDUs in an A-MSDU. */
2124 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2125 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2126
2127 /*
2128  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2129  * information element
2130  */
2131 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2132
2133 /* TDLS specific payload type in the LLC/SNAP header */
2134 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2135
2136 /* BSS Coex IE information field bits */
2137 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2138
2139 /**
2140  * enum - mesh synchronization method identifier
2141  *
2142  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2143  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2144  *      that will be specified in a vendor specific information element
2145  */
2146 enum {
2147         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2148         IEEE80211_SYNC_METHOD_VENDOR = 255,
2149 };
2150
2151 /**
2152  * enum - mesh path selection protocol identifier
2153  *
2154  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2155  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2156  *      be specified in a vendor specific information element
2157  */
2158 enum {
2159         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2160         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2161 };
2162
2163 /**
2164  * enum - mesh path selection metric identifier
2165  *
2166  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2167  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2168  *      specified in a vendor specific information element
2169  */
2170 enum {
2171         IEEE80211_PATH_METRIC_AIRTIME = 1,
2172         IEEE80211_PATH_METRIC_VENDOR = 255,
2173 };
2174
2175 /**
2176  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2177  *
2178  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2179  *
2180  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2181  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2182  *      this value
2183  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2184  *      the proactive PREQ with proactive PREP subfield set to 0
2185  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2186  *      supports the proactive PREQ with proactive PREP subfield set to 1
2187  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2188  *      the proactive RANN
2189  */
2190 enum ieee80211_root_mode_identifier {
2191         IEEE80211_ROOTMODE_NO_ROOT = 0,
2192         IEEE80211_ROOTMODE_ROOT = 1,
2193         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2194         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2195         IEEE80211_PROACTIVE_RANN = 4,
2196 };
2197
2198 /*
2199  * IEEE 802.11-2007 7.3.2.9 Country information element
2200  *
2201  * Minimum length is 8 octets, ie len must be evenly
2202  * divisible by 2
2203  */
2204
2205 /* Although the spec says 8 I'm seeing 6 in practice */
2206 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2207
2208 /* The Country String field of the element shall be 3 octets in length */
2209 #define IEEE80211_COUNTRY_STRING_LEN    3
2210
2211 /*
2212  * For regulatory extension stuff see IEEE 802.11-2007
2213  * Annex I (page 1141) and Annex J (page 1147). Also
2214  * review 7.3.2.9.
2215  *
2216  * When dot11RegulatoryClassesRequired is true and the
2217  * first_channel/reg_extension_id is >= 201 then the IE
2218  * compromises of the 'ext' struct represented below:
2219  *
2220  *  - Regulatory extension ID - when generating IE this just needs
2221  *    to be monotonically increasing for each triplet passed in
2222  *    the IE
2223  *  - Regulatory class - index into set of rules
2224  *  - Coverage class - index into air propagation time (Table 7-27),
2225  *    in microseconds, you can compute the air propagation time from
2226  *    the index by multiplying by 3, so index 10 yields a propagation
2227  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2228  *    yet. A value of 0 inicates air propagation of <= 1 us.
2229  *
2230  *  See also Table I.2 for Emission limit sets and table
2231  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2232  *  a reg_class to an emission limit set and behavior limit set.
2233  */
2234 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2235
2236 /*
2237  *  Channels numbers in the IE must be monotonically increasing
2238  *  if dot11RegulatoryClassesRequired is not true.
2239  *
2240  *  If dot11RegulatoryClassesRequired is true consecutive
2241  *  subband triplets following a regulatory triplet shall
2242  *  have monotonically increasing first_channel number fields.
2243  *
2244  *  Channel numbers shall not overlap.
2245  *
2246  *  Note that max_power is signed.
2247  */
2248 struct ieee80211_country_ie_triplet {
2249         union {
2250                 struct {
2251                         u8 first_channel;
2252                         u8 num_channels;
2253                         s8 max_power;
2254                 } __packed chans;
2255                 struct {
2256                         u8 reg_extension_id;
2257                         u8 reg_class;
2258                         u8 coverage_class;
2259                 } __packed ext;
2260         };
2261 } __packed;
2262
2263 enum ieee80211_timeout_interval_type {
2264         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2265         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2266         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2267 };
2268
2269 /**
2270  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2271  * @type: type, see &enum ieee80211_timeout_interval_type
2272  * @value: timeout interval value
2273  */
2274 struct ieee80211_timeout_interval_ie {
2275         u8 type;
2276         __le32 value;
2277 } __packed;
2278
2279 /* BACK action code */
2280 enum ieee80211_back_actioncode {
2281         WLAN_ACTION_ADDBA_REQ = 0,
2282         WLAN_ACTION_ADDBA_RESP = 1,
2283         WLAN_ACTION_DELBA = 2,
2284 };
2285
2286 /* BACK (block-ack) parties */
2287 enum ieee80211_back_parties {
2288         WLAN_BACK_RECIPIENT = 0,
2289         WLAN_BACK_INITIATOR = 1,
2290 };
2291
2292 /* SA Query action */
2293 enum ieee80211_sa_query_action {
2294         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2295         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2296 };
2297
2298
2299 /* cipher suite selectors */
2300 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2301 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2302 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2303 /* reserved:                            0x000FAC03 */
2304 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2305 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2306 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2307 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2308 #define WLAN_CIPHER_SUITE_GCMP_256      0x000FAC09
2309 #define WLAN_CIPHER_SUITE_CCMP_256      0x000FAC0A
2310 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  0x000FAC0B
2311 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  0x000FAC0C
2312 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  0x000FAC0D
2313
2314 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2315
2316 /* AKM suite selectors */
2317 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2318 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2319 #define WLAN_AKM_SUITE_8021X_SHA256     0x000FAC05
2320 #define WLAN_AKM_SUITE_PSK_SHA256       0x000FAC06
2321 #define WLAN_AKM_SUITE_TDLS             0x000FAC07
2322 #define WLAN_AKM_SUITE_SAE              0x000FAC08
2323 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2324
2325 #define WLAN_MAX_KEY_LEN                32
2326
2327 #define WLAN_PMKID_LEN                  16
2328
2329 #define WLAN_OUI_WFA                    0x506f9a
2330 #define WLAN_OUI_TYPE_WFA_P2P           9
2331 #define WLAN_OUI_MICROSOFT              0x0050f2
2332 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2333 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2334 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2335
2336 /*
2337  * WMM/802.11e Tspec Element
2338  */
2339 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2340 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2341
2342 enum ieee80211_tspec_status_code {
2343         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2344         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2345 };
2346
2347 struct ieee80211_tspec_ie {
2348         u8 element_id;
2349         u8 len;
2350         u8 oui[3];
2351         u8 oui_type;
2352         u8 oui_subtype;
2353         u8 version;
2354         __le16 tsinfo;
2355         u8 tsinfo_resvd;
2356         __le16 nominal_msdu;
2357         __le16 max_msdu;
2358         __le32 min_service_int;
2359         __le32 max_service_int;
2360         __le32 inactivity_int;
2361         __le32 suspension_int;
2362         __le32 service_start_time;
2363         __le32 min_data_rate;
2364         __le32 mean_data_rate;
2365         __le32 peak_data_rate;
2366         __le32 max_burst_size;
2367         __le32 delay_bound;
2368         __le32 min_phy_rate;
2369         __le16 sba;
2370         __le16 medium_time;
2371 } __packed;
2372
2373 /**
2374  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2375  * @hdr: the frame
2376  *
2377  * The qos ctrl bytes come after the frame_control, duration, seq_num
2378  * and 3 or 4 addresses of length ETH_ALEN.
2379  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2380  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2381  */
2382 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2383 {
2384         if (ieee80211_has_a4(hdr->frame_control))
2385                 return (u8 *)hdr + 30;
2386         else
2387                 return (u8 *)hdr + 24;
2388 }
2389
2390 /**
2391  * ieee80211_get_SA - get pointer to SA
2392  * @hdr: the frame
2393  *
2394  * Given an 802.11 frame, this function returns the offset
2395  * to the source address (SA). It does not verify that the
2396  * header is long enough to contain the address, and the
2397  * header must be long enough to contain the frame control
2398  * field.
2399  */
2400 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2401 {
2402         if (ieee80211_has_a4(hdr->frame_control))
2403                 return hdr->addr4;
2404         if (ieee80211_has_fromds(hdr->frame_control))
2405                 return hdr->addr3;
2406         return hdr->addr2;
2407 }
2408
2409 /**
2410  * ieee80211_get_DA - get pointer to DA
2411  * @hdr: the frame
2412  *
2413  * Given an 802.11 frame, this function returns the offset
2414  * to the destination address (DA). It does not verify that
2415  * the header is long enough to contain the address, and the
2416  * header must be long enough to contain the frame control
2417  * field.
2418  */
2419 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2420 {
2421         if (ieee80211_has_tods(hdr->frame_control))
2422                 return hdr->addr3;
2423         else
2424                 return hdr->addr1;
2425 }
2426
2427 /**
2428  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2429  * @hdr: the frame (buffer must include at least the first octet of payload)
2430  */
2431 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2432 {
2433         if (ieee80211_is_disassoc(hdr->frame_control) ||
2434             ieee80211_is_deauth(hdr->frame_control))
2435                 return true;
2436
2437         if (ieee80211_is_action(hdr->frame_control)) {
2438                 u8 *category;
2439
2440                 /*
2441                  * Action frames, excluding Public Action frames, are Robust
2442                  * Management Frames. However, if we are looking at a Protected
2443                  * frame, skip the check since the data may be encrypted and
2444                  * the frame has already been found to be a Robust Management
2445                  * Frame (by the other end).
2446                  */
2447                 if (ieee80211_has_protected(hdr->frame_control))
2448                         return true;
2449                 category = ((u8 *) hdr) + 24;
2450                 return *category != WLAN_CATEGORY_PUBLIC &&
2451                         *category != WLAN_CATEGORY_HT &&
2452                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2453                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2454                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2455                         *category != WLAN_CATEGORY_VHT &&
2456                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2457         }
2458
2459         return false;
2460 }
2461
2462 /**
2463  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2464  * @skb: the skb containing the frame, length will be checked
2465  */
2466 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2467 {
2468         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2469                 return false;
2470         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2471 }
2472
2473 /**
2474  * ieee80211_is_public_action - check if frame is a public action frame
2475  * @hdr: the frame
2476  * @len: length of the frame
2477  */
2478 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2479                                               size_t len)
2480 {
2481         struct ieee80211_mgmt *mgmt = (void *)hdr;
2482
2483         if (len < IEEE80211_MIN_ACTION_SIZE)
2484                 return false;
2485         if (!ieee80211_is_action(hdr->frame_control))
2486                 return false;
2487         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2488 }
2489
2490 /**
2491  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2492  * privacy action frame
2493  * @hdr: the frame
2494  */
2495 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2496 {
2497         struct ieee80211_mgmt *mgmt = (void *)hdr;
2498
2499         if (!ieee80211_is_action(hdr->frame_control) ||
2500             !is_multicast_ether_addr(hdr->addr1))
2501                 return false;
2502
2503         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2504                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2505 }
2506
2507 /**
2508  * ieee80211_is_group_privacy_action - check if frame is a group addressed
2509  * privacy action frame
2510  * @skb: the skb containing the frame, length will be checked
2511  */
2512 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
2513 {
2514         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2515                 return false;
2516         return _ieee80211_is_group_privacy_action((void *)skb->data);
2517 }
2518
2519 /**
2520  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2521  * @tu: the TUs
2522  */
2523 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2524 {
2525         return 1024 * tu;
2526 }
2527
2528 /**
2529  * ieee80211_check_tim - check if AID bit is set in TIM
2530  * @tim: the TIM IE
2531  * @tim_len: length of the TIM IE
2532  * @aid: the AID to look for
2533  */
2534 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2535                                        u8 tim_len, u16 aid)
2536 {
2537         u8 mask;
2538         u8 index, indexn1, indexn2;
2539
2540         if (unlikely(!tim || tim_len < sizeof(*tim)))
2541                 return false;
2542
2543         aid &= 0x3fff;
2544         index = aid / 8;
2545         mask  = 1 << (aid & 7);
2546
2547         indexn1 = tim->bitmap_ctrl & 0xfe;
2548         indexn2 = tim_len + indexn1 - 4;
2549
2550         if (index < indexn1 || index > indexn2)
2551                 return false;
2552
2553         index -= indexn1;
2554
2555         return !!(tim->virtual_map[index] & mask);
2556 }
2557
2558 /**
2559  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2560  * @skb: the skb containing the frame, length will not be checked
2561  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2562  *
2563  * This function assumes the frame is a data frame, and that the network header
2564  * is in the correct place.
2565  */
2566 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2567 {
2568         if (!skb_is_nonlinear(skb) &&
2569             skb->len > (skb_network_offset(skb) + 2)) {
2570                 /* Point to where the indication of TDLS should start */
2571                 const u8 *tdls_data = skb_network_header(skb) - 2;
2572
2573                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2574                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2575                     tdls_data[3] == WLAN_CATEGORY_TDLS)
2576                         return tdls_data[4];
2577         }
2578
2579         return -1;
2580 }
2581
2582 /* convert time units */
2583 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2584 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2585
2586 /**
2587  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2588  * @skb: the skb containing the frame, length will be checked
2589  *
2590  * This function checks if it's either TPC report action frame or Link
2591  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2592  * and 8.5.7.5 accordingly.
2593  */
2594 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2595 {
2596         struct ieee80211_mgmt *mgmt = (void *)skb->data;
2597
2598         if (!ieee80211_is_action(mgmt->frame_control))
2599                 return false;
2600
2601         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2602                        sizeof(mgmt->u.action.u.tpc_report))
2603                 return false;
2604
2605         /*
2606          * TPC report - check that:
2607          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2608          * spectrum management action = 3 (TPC/Link Measurement report)
2609          * TPC report EID = 35
2610          * TPC report element length = 2
2611          *
2612          * The spectrum management's tpc_report struct is used here both for
2613          * parsing tpc_report and radio measurement's link measurement report
2614          * frame, since the relevant part is identical in both frames.
2615          */
2616         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2617             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2618                 return false;
2619
2620         /* both spectrum mgmt and link measurement have same action code */
2621         if (mgmt->u.action.u.tpc_report.action_code !=
2622             WLAN_ACTION_SPCT_TPC_RPRT)
2623                 return false;
2624
2625         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2626             mgmt->u.action.u.tpc_report.tpc_elem_length !=
2627             sizeof(struct ieee80211_tpc_report_ie))
2628                 return false;
2629
2630         return true;
2631 }
2632
2633 #endif /* LINUX_IEEE80211_H */