include/linux/ieee80211.h

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