include/linux/ieee80211.h

   1 /*
   2  * IEEE 802.11 defines
   3  *
   4  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   5  * <jkmaline@cc.hut.fi>
   6  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2005, Devicescape Software, Inc.
   8  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
   9  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  10  * Copyright (c) 2016 Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #ifndef LINUX_IEEE80211_H
  18 #define LINUX_IEEE80211_H
  19
  20 #include <linux/types.h>
  21 #include <linux/if_ether.h>
  22 #include <linux/etherdevice.h>
  23 #include <asm/byteorder.h>
  24 #include <asm/unaligned.h>
  25
  26 /*
  27  * DS bit usage
  28  *
  29  * TA = transmitter address
  30  * RA = receiver address
  31  * DA = destination address
  32  * SA = source address
  33  *
  34  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  35  * -----------------------------------------------------------------
  36  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  37  *  0       1       DA      BSSID   SA      -       AP -> STA
  38  *  1       0       BSSID   SA      DA      -       AP <- STA
  39  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  40  */
  41
  42 #define FCS_LEN 4
  43
  44 #define IEEE80211_FCTL_VERS             0x0003
  45 #define IEEE80211_FCTL_FTYPE            0x000c
  46 #define IEEE80211_FCTL_STYPE            0x00f0
  47 #define IEEE80211_FCTL_TODS             0x0100
  48 #define IEEE80211_FCTL_FROMDS           0x0200
  49 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  50 #define IEEE80211_FCTL_RETRY            0x0800
  51 #define IEEE80211_FCTL_PM               0x1000
  52 #define IEEE80211_FCTL_MOREDATA         0x2000
  53 #define IEEE80211_FCTL_PROTECTED        0x4000
  54 #define IEEE80211_FCTL_ORDER            0x8000
  55 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  56
  57 #define IEEE80211_SCTL_FRAG             0x000F
  58 #define IEEE80211_SCTL_SEQ              0xFFF0
  59
  60 #define IEEE80211_FTYPE_MGMT            0x0000
  61 #define IEEE80211_FTYPE_CTL             0x0004
  62 #define IEEE80211_FTYPE_DATA            0x0008
  63 #define IEEE80211_FTYPE_EXT             0x000c
  64
  65 /* management */
  66 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  67 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  68 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  69 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  70 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  71 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  72 #define IEEE80211_STYPE_BEACON          0x0080
  73 #define IEEE80211_STYPE_ATIM            0x0090
  74 #define IEEE80211_STYPE_DISASSOC        0x00A0
  75 #define IEEE80211_STYPE_AUTH            0x00B0
  76 #define IEEE80211_STYPE_DEAUTH          0x00C0
  77 #define IEEE80211_STYPE_ACTION          0x00D0
  78
  79 /* control */
  80 #define IEEE80211_STYPE_CTL_EXT         0x0060
  81 #define IEEE80211_STYPE_BACK_REQ        0x0080
  82 #define IEEE80211_STYPE_BACK            0x0090
  83 #define IEEE80211_STYPE_PSPOLL          0x00A0
  84 #define IEEE80211_STYPE_RTS             0x00B0
  85 #define IEEE80211_STYPE_CTS             0x00C0
  86 #define IEEE80211_STYPE_ACK             0x00D0
  87 #define IEEE80211_STYPE_CFEND           0x00E0
  88 #define IEEE80211_STYPE_CFENDACK        0x00F0
  89
  90 /* data */
  91 #define IEEE80211_STYPE_DATA                    0x0000
  92 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  93 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  94 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  95 #define IEEE80211_STYPE_NULLFUNC                0x0040
  96 #define IEEE80211_STYPE_CFACK                   0x0050
  97 #define IEEE80211_STYPE_CFPOLL                  0x0060
  98 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  99 #define IEEE80211_STYPE_QOS_DATA                0x0080
 100 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 103 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 104 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 105 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 106 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 107
 108 /* extension, added by 802.11ad */
 109 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 110
 111 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 112 #define IEEE80211_CTL_EXT_POLL          0x2000
 113 #define IEEE80211_CTL_EXT_SPR           0x3000
 114 #define IEEE80211_CTL_EXT_GRANT 0x4000
 115 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 116 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 117 #define IEEE80211_CTL_EXT_SSW           0x8000
 118 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 119 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 120
 121
 122 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 123 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 124 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 125
 126 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 127 {
 128         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 129 }
 130
 131 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 132 {
 133         return (sn1 + sn2) & IEEE80211_SN_MASK;
 134 }
 135
 136 static inline u16 ieee80211_sn_inc(u16 sn)
 137 {
 138         return ieee80211_sn_add(sn, 1);
 139 }
 140
 141 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 142 {
 143         return (sn1 - sn2) & IEEE80211_SN_MASK;
 144 }
 145
 146 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 147 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 148
 149 /* miscellaneous IEEE 802.11 constants */
 150 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 151 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 152 #define IEEE80211_MAX_AID               2007
 153 #define IEEE80211_MAX_TIM_LEN           251
 154 #define IEEE80211_MAX_MESH_PEERINGS     63
 155 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 156    6.2.1.1.2.
 157
 158    802.11e clarifies the figure in section 7.1.2. The frame body is
 159    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 160 #define IEEE80211_MAX_DATA_LEN          2304
 161 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 162  * to 7920 bytes, see 8.2.3 General frame format
 163  */
 164 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 165 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 166 #define IEEE80211_MAX_FRAME_LEN         2352
 167
 168 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 169 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 170
 171 /* Maximal size of an A-MSDU */
 172 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 173 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 174
 175 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 176 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 177 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 178
 179 #define IEEE80211_MAX_SSID_LEN          32
 180
 181 #define IEEE80211_MAX_MESH_ID_LEN       32
 182
 183 #define IEEE80211_FIRST_TSPEC_TSID      8
 184 #define IEEE80211_NUM_TIDS              16
 185
 186 /* number of user priorities 802.11 uses */
 187 #define IEEE80211_NUM_UPS               8
 188
 189 #define IEEE80211_QOS_CTL_LEN           2
 190 /* 1d tag mask */
 191 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 192 /* TID mask */
 193 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 194 /* EOSP */
 195 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 196 /* ACK policy */
 197 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 198 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 200 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 201 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 202 /* A-MSDU 802.11n */
 203 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 204 /* Mesh Control 802.11s */
 205 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 206
 207 /* Mesh Power Save Level */
 208 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 209 /* Mesh Receiver Service Period Initiated */
 210 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 211
 212 /* U-APSD queue for WMM IEs sent by AP */
 213 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 214 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 215
 216 /* U-APSD queues for WMM IEs sent by STA */
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 222
 223 /* U-APSD max SP length for WMM IEs sent by STA */
 224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 230
 231 #define IEEE80211_HT_CTL_LEN            4
 232
 233 struct ieee80211_hdr {
 234         __le16 frame_control;
 235         __le16 duration_id;
 236         u8 addr1[ETH_ALEN];
 237         u8 addr2[ETH_ALEN];
 238         u8 addr3[ETH_ALEN];
 239         __le16 seq_ctrl;
 240         u8 addr4[ETH_ALEN];
 241 } __packed __aligned(2);
 242
 243 struct ieee80211_hdr_3addr {
 244         __le16 frame_control;
 245         __le16 duration_id;
 246         u8 addr1[ETH_ALEN];
 247         u8 addr2[ETH_ALEN];
 248         u8 addr3[ETH_ALEN];
 249         __le16 seq_ctrl;
 250 } __packed __aligned(2);
 251
 252 struct ieee80211_qos_hdr {
 253         __le16 frame_control;
 254         __le16 duration_id;
 255         u8 addr1[ETH_ALEN];
 256         u8 addr2[ETH_ALEN];
 257         u8 addr3[ETH_ALEN];
 258         __le16 seq_ctrl;
 259         __le16 qos_ctrl;
 260 } __packed __aligned(2);
 261
 262 /**
 263  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 264  * @fc: frame control bytes in little-endian byteorder
 265  */
 266 static inline bool ieee80211_has_tods(__le16 fc)
 267 {
 268         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 269 }
 270
 271 /**
 272  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 273  * @fc: frame control bytes in little-endian byteorder
 274  */
 275 static inline bool ieee80211_has_fromds(__le16 fc)
 276 {
 277         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 278 }
 279
 280 /**
 281  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 282  * @fc: frame control bytes in little-endian byteorder
 283  */
 284 static inline bool ieee80211_has_a4(__le16 fc)
 285 {
 286         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 287         return (fc & tmp) == tmp;
 288 }
 289
 290 /**
 291  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 292  * @fc: frame control bytes in little-endian byteorder
 293  */
 294 static inline bool ieee80211_has_morefrags(__le16 fc)
 295 {
 296         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 297 }
 298
 299 /**
 300  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 301  * @fc: frame control bytes in little-endian byteorder
 302  */
 303 static inline bool ieee80211_has_retry(__le16 fc)
 304 {
 305         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 306 }
 307
 308 /**
 309  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 310  * @fc: frame control bytes in little-endian byteorder
 311  */
 312 static inline bool ieee80211_has_pm(__le16 fc)
 313 {
 314         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 315 }
 316
 317 /**
 318  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 319  * @fc: frame control bytes in little-endian byteorder
 320  */
 321 static inline bool ieee80211_has_moredata(__le16 fc)
 322 {
 323         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 324 }
 325
 326 /**
 327  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 328  * @fc: frame control bytes in little-endian byteorder
 329  */
 330 static inline bool ieee80211_has_protected(__le16 fc)
 331 {
 332         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 333 }
 334
 335 /**
 336  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 337  * @fc: frame control bytes in little-endian byteorder
 338  */
 339 static inline bool ieee80211_has_order(__le16 fc)
 340 {
 341         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 342 }
 343
 344 /**
 345  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 346  * @fc: frame control bytes in little-endian byteorder
 347  */
 348 static inline bool ieee80211_is_mgmt(__le16 fc)
 349 {
 350         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 351                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 352 }
 353
 354 /**
 355  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 356  * @fc: frame control bytes in little-endian byteorder
 357  */
 358 static inline bool ieee80211_is_ctl(__le16 fc)
 359 {
 360         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 361                cpu_to_le16(IEEE80211_FTYPE_CTL);
 362 }
 363
 364 /**
 365  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 366  * @fc: frame control bytes in little-endian byteorder
 367  */
 368 static inline bool ieee80211_is_data(__le16 fc)
 369 {
 370         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 371                cpu_to_le16(IEEE80211_FTYPE_DATA);
 372 }
 373
 374 /**
 375  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 376  * @fc: frame control bytes in little-endian byteorder
 377  */
 378 static inline bool ieee80211_is_data_qos(__le16 fc)
 379 {
 380         /*
 381          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 382          * to check the one bit
 383          */
 384         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 385                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 386 }
 387
 388 /**
 389  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 390  * @fc: frame control bytes in little-endian byteorder
 391  */
 392 static inline bool ieee80211_is_data_present(__le16 fc)
 393 {
 394         /*
 395          * mask with 0x40 and test that that bit is clear to only return true
 396          * for the data-containing substypes.
 397          */
 398         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 399                cpu_to_le16(IEEE80211_FTYPE_DATA);
 400 }
 401
 402 /**
 403  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 404  * @fc: frame control bytes in little-endian byteorder
 405  */
 406 static inline bool ieee80211_is_assoc_req(__le16 fc)
 407 {
 408         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 409                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 410 }
 411
 412 /**
 413  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 414  * @fc: frame control bytes in little-endian byteorder
 415  */
 416 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 417 {
 418         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 419                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 420 }
 421
 422 /**
 423  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 424  * @fc: frame control bytes in little-endian byteorder
 425  */
 426 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 427 {
 428         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 429                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 430 }
 431
 432 /**
 433  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 434  * @fc: frame control bytes in little-endian byteorder
 435  */
 436 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 437 {
 438         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 439                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 440 }
 441
 442 /**
 443  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 444  * @fc: frame control bytes in little-endian byteorder
 445  */
 446 static inline bool ieee80211_is_probe_req(__le16 fc)
 447 {
 448         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 449                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 450 }
 451
 452 /**
 453  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 454  * @fc: frame control bytes in little-endian byteorder
 455  */
 456 static inline bool ieee80211_is_probe_resp(__le16 fc)
 457 {
 458         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 459                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 460 }
 461
 462 /**
 463  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 464  * @fc: frame control bytes in little-endian byteorder
 465  */
 466 static inline bool ieee80211_is_beacon(__le16 fc)
 467 {
 468         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 469                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 470 }
 471
 472 /**
 473  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 474  * @fc: frame control bytes in little-endian byteorder
 475  */
 476 static inline bool ieee80211_is_atim(__le16 fc)
 477 {
 478         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 479                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 480 }
 481
 482 /**
 483  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 484  * @fc: frame control bytes in little-endian byteorder
 485  */
 486 static inline bool ieee80211_is_disassoc(__le16 fc)
 487 {
 488         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 489                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 490 }
 491
 492 /**
 493  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 494  * @fc: frame control bytes in little-endian byteorder
 495  */
 496 static inline bool ieee80211_is_auth(__le16 fc)
 497 {
 498         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 499                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 500 }
 501
 502 /**
 503  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 504  * @fc: frame control bytes in little-endian byteorder
 505  */
 506 static inline bool ieee80211_is_deauth(__le16 fc)
 507 {
 508         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 509                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 510 }
 511
 512 /**
 513  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 514  * @fc: frame control bytes in little-endian byteorder
 515  */
 516 static inline bool ieee80211_is_action(__le16 fc)
 517 {
 518         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 519                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 520 }
 521
 522 /**
 523  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 524  * @fc: frame control bytes in little-endian byteorder
 525  */
 526 static inline bool ieee80211_is_back_req(__le16 fc)
 527 {
 528         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 529                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 530 }
 531
 532 /**
 533  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 534  * @fc: frame control bytes in little-endian byteorder
 535  */
 536 static inline bool ieee80211_is_back(__le16 fc)
 537 {
 538         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 539                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 540 }
 541
 542 /**
 543  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 544  * @fc: frame control bytes in little-endian byteorder
 545  */
 546 static inline bool ieee80211_is_pspoll(__le16 fc)
 547 {
 548         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 549                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 550 }
 551
 552 /**
 553  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 554  * @fc: frame control bytes in little-endian byteorder
 555  */
 556 static inline bool ieee80211_is_rts(__le16 fc)
 557 {
 558         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 559                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 560 }
 561
 562 /**
 563  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 564  * @fc: frame control bytes in little-endian byteorder
 565  */
 566 static inline bool ieee80211_is_cts(__le16 fc)
 567 {
 568         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 569                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 570 }
 571
 572 /**
 573  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 574  * @fc: frame control bytes in little-endian byteorder
 575  */
 576 static inline bool ieee80211_is_ack(__le16 fc)
 577 {
 578         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 579                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 580 }
 581
 582 /**
 583  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 584  * @fc: frame control bytes in little-endian byteorder
 585  */
 586 static inline bool ieee80211_is_cfend(__le16 fc)
 587 {
 588         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 589                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 590 }
 591
 592 /**
 593  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 594  * @fc: frame control bytes in little-endian byteorder
 595  */
 596 static inline bool ieee80211_is_cfendack(__le16 fc)
 597 {
 598         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 599                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 600 }
 601
 602 /**
 603  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 604  * @fc: frame control bytes in little-endian byteorder
 605  */
 606 static inline bool ieee80211_is_nullfunc(__le16 fc)
 607 {
 608         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 609                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 610 }
 611
 612 /**
 613  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 614  * @fc: frame control bytes in little-endian byteorder
 615  */
 616 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 617 {
 618         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 619                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 620 }
 621
 622 /**
 623  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 624  * @fc: frame control bytes in little-endian byteorder
 625  */
 626 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 627 {
 628         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 629 }
 630
 631 /**
 632  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 633  * @fc: frame control field in little-endian byteorder
 634  */
 635 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 636 {
 637         /* IEEE 802.11-2012, definition of "bufferable management frame";
 638          * note that this ignores the IBSS special case. */
 639         return ieee80211_is_mgmt(fc) &&
 640                (ieee80211_is_action(fc) ||
 641                 ieee80211_is_disassoc(fc) ||
 642                 ieee80211_is_deauth(fc));
 643 }
 644
 645 /**
 646  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 647  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 648  */
 649 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 650 {
 651         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 652 }
 653
 654 /**
 655  * ieee80211_is_frag - check if a frame is a fragment
 656  * @hdr: 802.11 header of the frame
 657  */
 658 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 659 {
 660         return ieee80211_has_morefrags(hdr->frame_control) ||
 661                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 662 }
 663
 664 struct ieee80211s_hdr {
 665         u8 flags;
 666         u8 ttl;
 667         __le32 seqnum;
 668         u8 eaddr1[ETH_ALEN];
 669         u8 eaddr2[ETH_ALEN];
 670 } __packed __aligned(2);
 671
 672 /* Mesh flags */
 673 #define MESH_FLAGS_AE_A4        0x1
 674 #define MESH_FLAGS_AE_A5_A6     0x2
 675 #define MESH_FLAGS_AE           0x3
 676 #define MESH_FLAGS_PS_DEEP      0x4
 677
 678 /**
 679  * enum ieee80211_preq_flags - mesh PREQ element flags
 680  *
 681  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 682  */
 683 enum ieee80211_preq_flags {
 684         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 685 };
 686
 687 /**
 688  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 689  *
 690  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 691  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 692  */
 693 enum ieee80211_preq_target_flags {
 694         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 695         IEEE80211_PREQ_USN_FLAG = 1<<2,
 696 };
 697
 698 /**
 699  * struct ieee80211_quiet_ie
 700  *
 701  * This structure refers to "Quiet information element"
 702  */
 703 struct ieee80211_quiet_ie {
 704         u8 count;
 705         u8 period;
 706         __le16 duration;
 707         __le16 offset;
 708 } __packed;
 709
 710 /**
 711  * struct ieee80211_msrment_ie
 712  *
 713  * This structure refers to "Measurement Request/Report information element"
 714  */
 715 struct ieee80211_msrment_ie {
 716         u8 token;
 717         u8 mode;
 718         u8 type;
 719         u8 request[0];
 720 } __packed;
 721
 722 /**
 723  * struct ieee80211_channel_sw_ie
 724  *
 725  * This structure refers to "Channel Switch Announcement information element"
 726  */
 727 struct ieee80211_channel_sw_ie {
 728         u8 mode;
 729         u8 new_ch_num;
 730         u8 count;
 731 } __packed;
 732
 733 /**
 734  * struct ieee80211_ext_chansw_ie
 735  *
 736  * This structure represents the "Extended Channel Switch Announcement element"
 737  */
 738 struct ieee80211_ext_chansw_ie {
 739         u8 mode;
 740         u8 new_operating_class;
 741         u8 new_ch_num;
 742         u8 count;
 743 } __packed;
 744
 745 /**
 746  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 747  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 748  *      values here
 749  * This structure represents the "Secondary Channel Offset element"
 750  */
 751 struct ieee80211_sec_chan_offs_ie {
 752         u8 sec_chan_offs;
 753 } __packed;
 754
 755 /**
 756  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 757  *
 758  * This structure represents the "Mesh Channel Switch Paramters element"
 759  */
 760 struct ieee80211_mesh_chansw_params_ie {
 761         u8 mesh_ttl;
 762         u8 mesh_flags;
 763         __le16 mesh_reason;
 764         __le16 mesh_pre_value;
 765 } __packed;
 766
 767 /**
 768  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 769  */
 770 struct ieee80211_wide_bw_chansw_ie {
 771         u8 new_channel_width;
 772         u8 new_center_freq_seg0, new_center_freq_seg1;
 773 } __packed;
 774
 775 /**
 776  * struct ieee80211_tim
 777  *
 778  * This structure refers to "Traffic Indication Map information element"
 779  */
 780 struct ieee80211_tim_ie {
 781         u8 dtim_count;
 782         u8 dtim_period;
 783         u8 bitmap_ctrl;
 784         /* variable size: 1 - 251 bytes */
 785         u8 virtual_map[1];
 786 } __packed;
 787
 788 /**
 789  * struct ieee80211_meshconf_ie
 790  *
 791  * This structure refers to "Mesh Configuration information element"
 792  */
 793 struct ieee80211_meshconf_ie {
 794         u8 meshconf_psel;
 795         u8 meshconf_pmetric;
 796         u8 meshconf_congest;
 797         u8 meshconf_synch;
 798         u8 meshconf_auth;
 799         u8 meshconf_form;
 800         u8 meshconf_cap;
 801 } __packed;
 802
 803 /**
 804  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 805  *
 806  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 807  *      additional mesh peerings with other mesh STAs
 808  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 809  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 810  *      is ongoing
 811  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 812  *      neighbors in deep sleep mode
 813  */
 814 enum mesh_config_capab_flags {
 815         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 816         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 817         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 818         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 819 };
 820
 821 /**
 822  * mesh channel switch parameters element's flag indicator
 823  *
 824  */
 825 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 826 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 827 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 828
 829 /**
 830  * struct ieee80211_rann_ie
 831  *
 832  * This structure refers to "Root Announcement information element"
 833  */
 834 struct ieee80211_rann_ie {
 835         u8 rann_flags;
 836         u8 rann_hopcount;
 837         u8 rann_ttl;
 838         u8 rann_addr[ETH_ALEN];
 839         __le32 rann_seq;
 840         __le32 rann_interval;
 841         __le32 rann_metric;
 842 } __packed;
 843
 844 enum ieee80211_rann_flags {
 845         RANN_FLAG_IS_GATE = 1 << 0,
 846 };
 847
 848 enum ieee80211_ht_chanwidth_values {
 849         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 850         IEEE80211_HT_CHANWIDTH_ANY = 1,
 851 };
 852
 853 /**
 854  * enum ieee80211_opmode_bits - VHT operating mode field bits
 855  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 856  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 857  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 858  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 859  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 860  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 861  *      (the NSS value is the value of this field + 1)
 862  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 863  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 864  *      using a beamforming steering matrix
 865  */
 866 enum ieee80211_vht_opmode_bits {
 867         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 868         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 869         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 870         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 871         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 872         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 873         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 874         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 875 };
 876
 877 #define WLAN_SA_QUERY_TR_ID_LEN 2
 878 #define WLAN_MEMBERSHIP_LEN 8
 879 #define WLAN_USER_POSITION_LEN 16
 880
 881 /**
 882  * struct ieee80211_tpc_report_ie
 883  *
 884  * This structure refers to "TPC Report element"
 885  */
 886 struct ieee80211_tpc_report_ie {
 887         u8 tx_power;
 888         u8 link_margin;
 889 } __packed;
 890
 891 struct ieee80211_mgmt {
 892         __le16 frame_control;
 893         __le16 duration;
 894         u8 da[ETH_ALEN];
 895         u8 sa[ETH_ALEN];
 896         u8 bssid[ETH_ALEN];
 897         __le16 seq_ctrl;
 898         union {
 899                 struct {
 900                         __le16 auth_alg;
 901                         __le16 auth_transaction;
 902                         __le16 status_code;
 903                         /* possibly followed by Challenge text */
 904                         u8 variable[0];
 905                 } __packed auth;
 906                 struct {
 907                         __le16 reason_code;
 908                 } __packed deauth;
 909                 struct {
 910                         __le16 capab_info;
 911                         __le16 listen_interval;
 912                         /* followed by SSID and Supported rates */
 913                         u8 variable[0];
 914                 } __packed assoc_req;
 915                 struct {
 916                         __le16 capab_info;
 917                         __le16 status_code;
 918                         __le16 aid;
 919                         /* followed by Supported rates */
 920                         u8 variable[0];
 921                 } __packed assoc_resp, reassoc_resp;
 922                 struct {
 923                         __le16 capab_info;
 924                         __le16 listen_interval;
 925                         u8 current_ap[ETH_ALEN];
 926                         /* followed by SSID and Supported rates */
 927                         u8 variable[0];
 928                 } __packed reassoc_req;
 929                 struct {
 930                         __le16 reason_code;
 931                 } __packed disassoc;
 932                 struct {
 933                         __le64 timestamp;
 934                         __le16 beacon_int;
 935                         __le16 capab_info;
 936                         /* followed by some of SSID, Supported rates,
 937                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 938                         u8 variable[0];
 939                 } __packed beacon;
 940                 struct {
 941                         /* only variable items: SSID, Supported rates */
 942                         u8 variable[0];
 943                 } __packed probe_req;
 944                 struct {
 945                         __le64 timestamp;
 946                         __le16 beacon_int;
 947                         __le16 capab_info;
 948                         /* followed by some of SSID, Supported rates,
 949                          * FH Params, DS Params, CF Params, IBSS Params */
 950                         u8 variable[0];
 951                 } __packed probe_resp;
 952                 struct {
 953                         u8 category;
 954                         union {
 955                                 struct {
 956                                         u8 action_code;
 957                                         u8 dialog_token;
 958                                         u8 status_code;
 959                                         u8 variable[0];
 960                                 } __packed wme_action;
 961                                 struct{
 962                                         u8 action_code;
 963                                         u8 variable[0];
 964                                 } __packed chan_switch;
 965                                 struct{
 966                                         u8 action_code;
 967                                         struct ieee80211_ext_chansw_ie data;
 968                                         u8 variable[0];
 969                                 } __packed ext_chan_switch;
 970                                 struct{
 971                                         u8 action_code;
 972                                         u8 dialog_token;
 973                                         u8 element_id;
 974                                         u8 length;
 975                                         struct ieee80211_msrment_ie msr_elem;
 976                                 } __packed measurement;
 977                                 struct{
 978                                         u8 action_code;
 979                                         u8 dialog_token;
 980                                         __le16 capab;
 981                                         __le16 timeout;
 982                                         __le16 start_seq_num;
 983                                 } __packed addba_req;
 984                                 struct{
 985                                         u8 action_code;
 986                                         u8 dialog_token;
 987                                         __le16 status;
 988                                         __le16 capab;
 989                                         __le16 timeout;
 990                                 } __packed addba_resp;
 991                                 struct{
 992                                         u8 action_code;
 993                                         __le16 params;
 994                                         __le16 reason_code;
 995                                 } __packed delba;
 996                                 struct {
 997                                         u8 action_code;
 998                                         u8 variable[0];
 999                                 } __packed self_prot;
1000                                 struct{
1001                                         u8 action_code;
1002                                         u8 variable[0];
1003                                 } __packed mesh_action;
1004                                 struct {
1005                                         u8 action;
1006                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1007                                 } __packed sa_query;
1008                                 struct {
1009                                         u8 action;
1010                                         u8 smps_control;
1011                                 } __packed ht_smps;
1012                                 struct {
1013                                         u8 action_code;
1014                                         u8 chanwidth;
1015                                 } __packed ht_notify_cw;
1016                                 struct {
1017                                         u8 action_code;
1018                                         u8 dialog_token;
1019                                         __le16 capability;
1020                                         u8 variable[0];
1021                                 } __packed tdls_discover_resp;
1022                                 struct {
1023                                         u8 action_code;
1024                                         u8 operating_mode;
1025                                 } __packed vht_opmode_notif;
1026                                 struct {
1027                                         u8 action_code;
1028                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1029                                         u8 position[WLAN_USER_POSITION_LEN];
1030                                 } __packed vht_group_notif;
1031                                 struct {
1032                                         u8 action_code;
1033                                         u8 dialog_token;
1034                                         u8 tpc_elem_id;
1035                                         u8 tpc_elem_length;
1036                                         struct ieee80211_tpc_report_ie tpc;
1037                                 } __packed tpc_report;
1038                                 struct {
1039                                         u8 action_code;
1040                                         u8 dialog_token;
1041                                         u8 follow_up;
1042                                         u8 tod[6];
1043                                         u8 toa[6];
1044                                         __le16 tod_error;
1045                                         __le16 toa_error;
1046                                         u8 variable[0];
1047                                 } __packed ftm;
1048                         } u;
1049                 } __packed action;
1050         } u;
1051 } __packed __aligned(2);
1052
1053 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1054 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1055
1056 /* mgmt header + 1 byte category code */
1057 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1058
1059
1060 /* Management MIC information element (IEEE 802.11w) */
1061 struct ieee80211_mmie {
1062         u8 element_id;
1063         u8 length;
1064         __le16 key_id;
1065         u8 sequence_number[6];
1066         u8 mic[8];
1067 } __packed;
1068
1069 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1070 struct ieee80211_mmie_16 {
1071         u8 element_id;
1072         u8 length;
1073         __le16 key_id;
1074         u8 sequence_number[6];
1075         u8 mic[16];
1076 } __packed;
1077
1078 struct ieee80211_vendor_ie {
1079         u8 element_id;
1080         u8 len;
1081         u8 oui[3];
1082         u8 oui_type;
1083 } __packed;
1084
1085 struct ieee80211_wmm_ac_param {
1086         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1087         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1088         __le16 txop_limit;
1089 } __packed;
1090
1091 struct ieee80211_wmm_param_ie {
1092         u8 element_id; /* Element ID: 221 (0xdd); */
1093         u8 len; /* Length: 24 */
1094         /* required fields for WMM version 1 */
1095         u8 oui[3]; /* 00:50:f2 */
1096         u8 oui_type; /* 2 */
1097         u8 oui_subtype; /* 1 */
1098         u8 version; /* 1 for WMM version 1.0 */
1099         u8 qos_info; /* AP/STA specific QoS info */
1100         u8 reserved; /* 0 */
1101         /* AC_BE, AC_BK, AC_VI, AC_VO */
1102         struct ieee80211_wmm_ac_param ac[4];
1103 } __packed;
1104
1105 /* Control frames */
1106 struct ieee80211_rts {
1107         __le16 frame_control;
1108         __le16 duration;
1109         u8 ra[ETH_ALEN];
1110         u8 ta[ETH_ALEN];
1111 } __packed __aligned(2);
1112
1113 struct ieee80211_cts {
1114         __le16 frame_control;
1115         __le16 duration;
1116         u8 ra[ETH_ALEN];
1117 } __packed __aligned(2);
1118
1119 struct ieee80211_pspoll {
1120         __le16 frame_control;
1121         __le16 aid;
1122         u8 bssid[ETH_ALEN];
1123         u8 ta[ETH_ALEN];
1124 } __packed __aligned(2);
1125
1126 /* TDLS */
1127
1128 /* Channel switch timing */
1129 struct ieee80211_ch_switch_timing {
1130         __le16 switch_time;
1131         __le16 switch_timeout;
1132 } __packed;
1133
1134 /* Link-id information element */
1135 struct ieee80211_tdls_lnkie {
1136         u8 ie_type; /* Link Identifier IE */
1137         u8 ie_len;
1138         u8 bssid[ETH_ALEN];
1139         u8 init_sta[ETH_ALEN];
1140         u8 resp_sta[ETH_ALEN];
1141 } __packed;
1142
1143 struct ieee80211_tdls_data {
1144         u8 da[ETH_ALEN];
1145         u8 sa[ETH_ALEN];
1146         __be16 ether_type;
1147         u8 payload_type;
1148         u8 category;
1149         u8 action_code;
1150         union {
1151                 struct {
1152                         u8 dialog_token;
1153                         __le16 capability;
1154                         u8 variable[0];
1155                 } __packed setup_req;
1156                 struct {
1157                         __le16 status_code;
1158                         u8 dialog_token;
1159                         __le16 capability;
1160                         u8 variable[0];
1161                 } __packed setup_resp;
1162                 struct {
1163                         __le16 status_code;
1164                         u8 dialog_token;
1165                         u8 variable[0];
1166                 } __packed setup_cfm;
1167                 struct {
1168                         __le16 reason_code;
1169                         u8 variable[0];
1170                 } __packed teardown;
1171                 struct {
1172                         u8 dialog_token;
1173                         u8 variable[0];
1174                 } __packed discover_req;
1175                 struct {
1176                         u8 target_channel;
1177                         u8 oper_class;
1178                         u8 variable[0];
1179                 } __packed chan_switch_req;
1180                 struct {
1181                         __le16 status_code;
1182                         u8 variable[0];
1183                 } __packed chan_switch_resp;
1184         } u;
1185 } __packed;
1186
1187 /*
1188  * Peer-to-Peer IE attribute related definitions.
1189  */
1190 /**
1191  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1192  */
1193 enum ieee80211_p2p_attr_id {
1194         IEEE80211_P2P_ATTR_STATUS = 0,
1195         IEEE80211_P2P_ATTR_MINOR_REASON,
1196         IEEE80211_P2P_ATTR_CAPABILITY,
1197         IEEE80211_P2P_ATTR_DEVICE_ID,
1198         IEEE80211_P2P_ATTR_GO_INTENT,
1199         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1200         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1201         IEEE80211_P2P_ATTR_GROUP_BSSID,
1202         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1203         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1204         IEEE80211_P2P_ATTR_MANAGABILITY,
1205         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1206         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1207         IEEE80211_P2P_ATTR_DEVICE_INFO,
1208         IEEE80211_P2P_ATTR_GROUP_INFO,
1209         IEEE80211_P2P_ATTR_GROUP_ID,
1210         IEEE80211_P2P_ATTR_INTERFACE,
1211         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1212         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1213         /* 19 - 220: Reserved */
1214         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1215
1216         IEEE80211_P2P_ATTR_MAX
1217 };
1218
1219 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1220 /* Typical max value used here */
1221 #define IEEE80211_P2P_NOA_DESC_MAX      4
1222
1223 struct ieee80211_p2p_noa_desc {
1224         u8 count;
1225         __le32 duration;
1226         __le32 interval;
1227         __le32 start_time;
1228 } __packed;
1229
1230 struct ieee80211_p2p_noa_attr {
1231         u8 index;
1232         u8 oppps_ctwindow;
1233         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1234 } __packed;
1235
1236 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1237 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1238
1239 /**
1240  * struct ieee80211_bar - HT Block Ack Request
1241  *
1242  * This structure refers to "HT BlockAckReq" as
1243  * described in 802.11n draft section 7.2.1.7.1
1244  */
1245 struct ieee80211_bar {
1246         __le16 frame_control;
1247         __le16 duration;
1248         __u8 ra[ETH_ALEN];
1249         __u8 ta[ETH_ALEN];
1250         __le16 control;
1251         __le16 start_seq_num;
1252 } __packed;
1253
1254 /* 802.11 BAR control masks */
1255 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1256 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1257 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1258 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1259 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1260
1261 #define IEEE80211_HT_MCS_MASK_LEN               10
1262
1263 /**
1264  * struct ieee80211_mcs_info - MCS information
1265  * @rx_mask: RX mask
1266  * @rx_highest: highest supported RX rate. If set represents
1267  *      the highest supported RX data rate in units of 1 Mbps.
1268  *      If this field is 0 this value should not be used to
1269  *      consider the highest RX data rate supported.
1270  * @tx_params: TX parameters
1271  */
1272 struct ieee80211_mcs_info {
1273         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1274         __le16 rx_highest;
1275         u8 tx_params;
1276         u8 reserved[3];
1277 } __packed;
1278
1279 /* 802.11n HT capability MSC set */
1280 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1281 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1282 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1283 /* value 0 == 1 stream etc */
1284 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1285 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1286 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1287 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1288
1289 /*
1290  * 802.11n D5.0 20.3.5 / 20.6 says:
1291  * - indices 0 to 7 and 32 are single spatial stream
1292  * - 8 to 31 are multiple spatial streams using equal modulation
1293  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1294  * - remainder are multiple spatial streams using unequal modulation
1295  */
1296 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1297 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1298         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1299
1300 /**
1301  * struct ieee80211_ht_cap - HT capabilities
1302  *
1303  * This structure is the "HT capabilities element" as
1304  * described in 802.11n D5.0 7.3.2.57
1305  */
1306 struct ieee80211_ht_cap {
1307         __le16 cap_info;
1308         u8 ampdu_params_info;
1309
1310         /* 16 bytes MCS information */
1311         struct ieee80211_mcs_info mcs;
1312
1313         __le16 extended_ht_cap_info;
1314         __le32 tx_BF_cap_info;
1315         u8 antenna_selection_info;
1316 } __packed;
1317
1318 /* 802.11n HT capabilities masks (for cap_info) */
1319 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1320 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1321 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1322 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1323 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1324 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1325 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1326 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1327 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1328 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1329 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1330 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1331 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1332 #define IEEE80211_HT_CAP_RESERVED               0x2000
1333 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1334 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1335
1336 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1337 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1338 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1339 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1340 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1341 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1342 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1343 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1344
1345 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1346 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1347 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1348 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1349
1350 /*
1351  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1352  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1353  */
1354 enum ieee80211_max_ampdu_length_exp {
1355         IEEE80211_HT_MAX_AMPDU_8K = 0,
1356         IEEE80211_HT_MAX_AMPDU_16K = 1,
1357         IEEE80211_HT_MAX_AMPDU_32K = 2,
1358         IEEE80211_HT_MAX_AMPDU_64K = 3
1359 };
1360
1361 /*
1362  * Maximum length of AMPDU that the STA can receive in VHT.
1363  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1364  */
1365 enum ieee80211_vht_max_ampdu_length_exp {
1366         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1367         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1368         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1369         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1370         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1371         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1372         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1373         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1374 };
1375
1376 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1377
1378 /* Minimum MPDU start spacing */
1379 enum ieee80211_min_mpdu_spacing {
1380         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1381         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1382         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1383         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1384         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1385         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1386         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1387         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1388 };
1389
1390 /**
1391  * struct ieee80211_ht_operation - HT operation IE
1392  *
1393  * This structure is the "HT operation element" as
1394  * described in 802.11n-2009 7.3.2.57
1395  */
1396 struct ieee80211_ht_operation {
1397         u8 primary_chan;
1398         u8 ht_param;
1399         __le16 operation_mode;
1400         __le16 stbc_param;
1401         u8 basic_set[16];
1402 } __packed;
1403
1404 /* for ht_param */
1405 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1406 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1407 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1408 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1409 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1410 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1411
1412 /* for operation_mode */
1413 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1414 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1415 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1416 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1417 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1418 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1419 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1420
1421 /* for stbc_param */
1422 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1423 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1424 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1425 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1426 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1427 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1428
1429
1430 /* block-ack parameters */
1431 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1432 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1433 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1434 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1435 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1436 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1437
1438 /*
1439  * A-PMDU buffer sizes
1440  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1441  */
1442 #define IEEE80211_MIN_AMPDU_BUF 0x8
1443 #define IEEE80211_MAX_AMPDU_BUF 0x40
1444
1445
1446 /* Spatial Multiplexing Power Save Modes (for capability) */
1447 #define WLAN_HT_CAP_SM_PS_STATIC        0
1448 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1449 #define WLAN_HT_CAP_SM_PS_INVALID       2
1450 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1451
1452 /* for SM power control field lower two bits */
1453 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1454 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1455 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1456
1457 /**
1458  * struct ieee80211_vht_mcs_info - VHT MCS information
1459  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1460  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1461  *      STA can receive. Rate expressed in units of 1 Mbps.
1462  *      If this field is 0 this value should not be used to
1463  *      consider the highest RX data rate supported.
1464  *      The top 3 bits of this field are reserved.
1465  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1466  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1467  *      STA can transmit. Rate expressed in units of 1 Mbps.
1468  *      If this field is 0 this value should not be used to
1469  *      consider the highest TX data rate supported.
1470  *      The top 3 bits of this field are reserved.
1471  */
1472 struct ieee80211_vht_mcs_info {
1473         __le16 rx_mcs_map;
1474         __le16 rx_highest;
1475         __le16 tx_mcs_map;
1476         __le16 tx_highest;
1477 } __packed;
1478
1479 /**
1480  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1481  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1482  *      number of streams
1483  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1484  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1485  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1486  *
1487  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1488  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1489  * both split into 8 subfields by number of streams. These values indicate
1490  * which MCSes are supported for the number of streams the value appears
1491  * for.
1492  */
1493 enum ieee80211_vht_mcs_support {
1494         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1495         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1496         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1497         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1498 };
1499
1500 /**
1501  * struct ieee80211_vht_cap - VHT capabilities
1502  *
1503  * This structure is the "VHT capabilities element" as
1504  * described in 802.11ac D3.0 8.4.2.160
1505  * @vht_cap_info: VHT capability info
1506  * @supp_mcs: VHT MCS supported rates
1507  */
1508 struct ieee80211_vht_cap {
1509         __le32 vht_cap_info;
1510         struct ieee80211_vht_mcs_info supp_mcs;
1511 } __packed;
1512
1513 /**
1514  * enum ieee80211_vht_chanwidth - VHT channel width
1515  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1516  *      determine the channel width (20 or 40 MHz)
1517  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1518  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1519  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1520  */
1521 enum ieee80211_vht_chanwidth {
1522         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1523         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1524         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1525         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1526 };
1527
1528 /**
1529  * struct ieee80211_vht_operation - VHT operation IE
1530  *
1531  * This structure is the "VHT operation element" as
1532  * described in 802.11ac D3.0 8.4.2.161
1533  * @chan_width: Operating channel width
1534  * @center_freq_seg1_idx: center freq segment 1 index
1535  * @center_freq_seg2_idx: center freq segment 2 index
1536  * @basic_mcs_set: VHT Basic MCS rate set
1537  */
1538 struct ieee80211_vht_operation {
1539         u8 chan_width;
1540         u8 center_freq_seg1_idx;
1541         u8 center_freq_seg2_idx;
1542         __le16 basic_mcs_set;
1543 } __packed;
1544
1545
1546 /* 802.11ac VHT Capabilities */
1547 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1548 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1549 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1550 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1551 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1552 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1553 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1554 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1555 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1556 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1557 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1558 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1559 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1560 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1561 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1562 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1563 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1564 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1565 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1566 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1567                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1568 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1569 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1570                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1571 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1572 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1573 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1574 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1575 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1576 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1577                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1578 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1579 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1580 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1581 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1582
1583 /* Authentication algorithms */
1584 #define WLAN_AUTH_OPEN 0
1585 #define WLAN_AUTH_SHARED_KEY 1
1586 #define WLAN_AUTH_FT 2
1587 #define WLAN_AUTH_SAE 3
1588 #define WLAN_AUTH_LEAP 128
1589
1590 #define WLAN_AUTH_CHALLENGE_LEN 128
1591
1592 #define WLAN_CAPABILITY_ESS             (1<<0)
1593 #define WLAN_CAPABILITY_IBSS            (1<<1)
1594
1595 /*
1596  * A mesh STA sets the ESS and IBSS capability bits to zero.
1597  * however, this holds true for p2p probe responses (in the p2p_find
1598  * phase) as well.
1599  */
1600 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1601         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1602
1603 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1604 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1605 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1606 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1607 #define WLAN_CAPABILITY_PBCC            (1<<6)
1608 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1609
1610 /* 802.11h */
1611 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1612 #define WLAN_CAPABILITY_QOS             (1<<9)
1613 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1614 #define WLAN_CAPABILITY_APSD            (1<<11)
1615 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1616 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1617 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1618 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1619
1620 /* DMG (60gHz) 802.11ad */
1621 /* type - bits 0..1 */
1622 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1623 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1624 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1625 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1626
1627 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1628 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1629 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1630 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1631
1632 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1633 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1634
1635 /* measurement */
1636 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1637 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1638 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1639
1640 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1641 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1642 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1643
1644 /* 802.11g ERP information element */
1645 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1646 #define WLAN_ERP_USE_PROTECTION (1<<1)
1647 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1648
1649 /* WLAN_ERP_BARKER_PREAMBLE values */
1650 enum {
1651         WLAN_ERP_PREAMBLE_SHORT = 0,
1652         WLAN_ERP_PREAMBLE_LONG = 1,
1653 };
1654
1655 /* Band ID, 802.11ad #8.4.1.45 */
1656 enum {
1657         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1658         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1659         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1660         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1661         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1662         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1663 };
1664
1665 /* Status codes */
1666 enum ieee80211_statuscode {
1667         WLAN_STATUS_SUCCESS = 0,
1668         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1669         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1670         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1671         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1672         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1673         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1674         WLAN_STATUS_CHALLENGE_FAIL = 15,
1675         WLAN_STATUS_AUTH_TIMEOUT = 16,
1676         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1677         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1678         /* 802.11b */
1679         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1680         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1681         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1682         /* 802.11h */
1683         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1684         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1685         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1686         /* 802.11g */
1687         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1688         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1689         /* 802.11w */
1690         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1691         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1692         /* 802.11i */
1693         WLAN_STATUS_INVALID_IE = 40,
1694         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1695         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1696         WLAN_STATUS_INVALID_AKMP = 43,
1697         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1698         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1699         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1700         /* 802.11e */
1701         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1702         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1703         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1704         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1705         WLAN_STATUS_REQUEST_DECLINED = 37,
1706         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1707         WLAN_STATUS_CHANGE_TSPEC = 39,
1708         WLAN_STATUS_WAIT_TS_DELAY = 47,
1709         WLAN_STATUS_NO_DIRECT_LINK = 48,
1710         WLAN_STATUS_STA_NOT_PRESENT = 49,
1711         WLAN_STATUS_STA_NOT_QSTA = 50,
1712         /* 802.11s */
1713         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1714         WLAN_STATUS_FCG_NOT_SUPP = 78,
1715         WLAN_STATUS_STA_NO_TBTT = 78,
1716         /* 802.11ad */
1717         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1718         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1719         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1720         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1721         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1722         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1723         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1724         WLAN_STATUS_REJECT_DSE_BAND = 96,
1725         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1726         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1727 };
1728
1729
1730 /* Reason codes */
1731 enum ieee80211_reasoncode {
1732         WLAN_REASON_UNSPECIFIED = 1,
1733         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1734         WLAN_REASON_DEAUTH_LEAVING = 3,
1735         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1736         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1737         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1738         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1739         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1740         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1741         /* 802.11h */
1742         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1743         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1744         /* 802.11i */
1745         WLAN_REASON_INVALID_IE = 13,
1746         WLAN_REASON_MIC_FAILURE = 14,
1747         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1748         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1749         WLAN_REASON_IE_DIFFERENT = 17,
1750         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1751         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1752         WLAN_REASON_INVALID_AKMP = 20,
1753         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1754         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1755         WLAN_REASON_IEEE8021X_FAILED = 23,
1756         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1757         /* TDLS (802.11z) */
1758         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1759         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1760         /* 802.11e */
1761         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1762         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1763         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1764         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1765         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1766         WLAN_REASON_QSTA_NOT_USE = 37,
1767         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1768         WLAN_REASON_QSTA_TIMEOUT = 39,
1769         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1770         /* 802.11s */
1771         WLAN_REASON_MESH_PEER_CANCELED = 52,
1772         WLAN_REASON_MESH_MAX_PEERS = 53,
1773         WLAN_REASON_MESH_CONFIG = 54,
1774         WLAN_REASON_MESH_CLOSE = 55,
1775         WLAN_REASON_MESH_MAX_RETRIES = 56,
1776         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1777         WLAN_REASON_MESH_INVALID_GTK = 58,
1778         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1779         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1780         WLAN_REASON_MESH_PATH_ERROR = 61,
1781         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1782         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1783         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1784         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1785         WLAN_REASON_MESH_CHAN = 66,
1786 };
1787
1788
1789 /* Information Element IDs */
1790 enum ieee80211_eid {
1791         WLAN_EID_SSID = 0,
1792         WLAN_EID_SUPP_RATES = 1,
1793         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1794         WLAN_EID_DS_PARAMS = 3,
1795         WLAN_EID_CF_PARAMS = 4,
1796         WLAN_EID_TIM = 5,
1797         WLAN_EID_IBSS_PARAMS = 6,
1798         WLAN_EID_COUNTRY = 7,
1799         /* 8, 9 reserved */
1800         WLAN_EID_REQUEST = 10,
1801         WLAN_EID_QBSS_LOAD = 11,
1802         WLAN_EID_EDCA_PARAM_SET = 12,
1803         WLAN_EID_TSPEC = 13,
1804         WLAN_EID_TCLAS = 14,
1805         WLAN_EID_SCHEDULE = 15,
1806         WLAN_EID_CHALLENGE = 16,
1807         /* 17-31 reserved for challenge text extension */
1808         WLAN_EID_PWR_CONSTRAINT = 32,
1809         WLAN_EID_PWR_CAPABILITY = 33,
1810         WLAN_EID_TPC_REQUEST = 34,
1811         WLAN_EID_TPC_REPORT = 35,
1812         WLAN_EID_SUPPORTED_CHANNELS = 36,
1813         WLAN_EID_CHANNEL_SWITCH = 37,
1814         WLAN_EID_MEASURE_REQUEST = 38,
1815         WLAN_EID_MEASURE_REPORT = 39,
1816         WLAN_EID_QUIET = 40,
1817         WLAN_EID_IBSS_DFS = 41,
1818         WLAN_EID_ERP_INFO = 42,
1819         WLAN_EID_TS_DELAY = 43,
1820         WLAN_EID_TCLAS_PROCESSING = 44,
1821         WLAN_EID_HT_CAPABILITY = 45,
1822         WLAN_EID_QOS_CAPA = 46,
1823         /* 47 reserved for Broadcom */
1824         WLAN_EID_RSN = 48,
1825         WLAN_EID_802_15_COEX = 49,
1826         WLAN_EID_EXT_SUPP_RATES = 50,
1827         WLAN_EID_AP_CHAN_REPORT = 51,
1828         WLAN_EID_NEIGHBOR_REPORT = 52,
1829         WLAN_EID_RCPI = 53,
1830         WLAN_EID_MOBILITY_DOMAIN = 54,
1831         WLAN_EID_FAST_BSS_TRANSITION = 55,
1832         WLAN_EID_TIMEOUT_INTERVAL = 56,
1833         WLAN_EID_RIC_DATA = 57,
1834         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1835         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1836         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1837         WLAN_EID_HT_OPERATION = 61,
1838         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1839         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1840         WLAN_EID_ANTENNA_INFO = 64,
1841         WLAN_EID_RSNI = 65,
1842         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1843         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1844         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1845         WLAN_EID_TIME_ADVERTISEMENT = 69,
1846         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1847         WLAN_EID_MULTIPLE_BSSID = 71,
1848         WLAN_EID_BSS_COEX_2040 = 72,
1849         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1850         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1851         WLAN_EID_RIC_DESCRIPTOR = 75,
1852         WLAN_EID_MMIE = 76,
1853         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1854         WLAN_EID_EVENT_REQUEST = 78,
1855         WLAN_EID_EVENT_REPORT = 79,
1856         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1857         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1858         WLAN_EID_LOCATION_PARAMS = 82,
1859         WLAN_EID_NON_TX_BSSID_CAP =  83,
1860         WLAN_EID_SSID_LIST = 84,
1861         WLAN_EID_MULTI_BSSID_IDX = 85,
1862         WLAN_EID_FMS_DESCRIPTOR = 86,
1863         WLAN_EID_FMS_REQUEST = 87,
1864         WLAN_EID_FMS_RESPONSE = 88,
1865         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1866         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1867         WLAN_EID_TSF_REQUEST = 91,
1868         WLAN_EID_TSF_RESPOSNE = 92,
1869         WLAN_EID_WNM_SLEEP_MODE = 93,
1870         WLAN_EID_TIM_BCAST_REQ = 94,
1871         WLAN_EID_TIM_BCAST_RESP = 95,
1872         WLAN_EID_COLL_IF_REPORT = 96,
1873         WLAN_EID_CHANNEL_USAGE = 97,
1874         WLAN_EID_TIME_ZONE = 98,
1875         WLAN_EID_DMS_REQUEST = 99,
1876         WLAN_EID_DMS_RESPONSE = 100,
1877         WLAN_EID_LINK_ID = 101,
1878         WLAN_EID_WAKEUP_SCHEDUL = 102,
1879         /* 103 reserved */
1880         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1881         WLAN_EID_PTI_CONTROL = 105,
1882         WLAN_EID_PU_BUFFER_STATUS = 106,
1883         WLAN_EID_INTERWORKING = 107,
1884         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1885         WLAN_EID_EXPEDITED_BW_REQ = 109,
1886         WLAN_EID_QOS_MAP_SET = 110,
1887         WLAN_EID_ROAMING_CONSORTIUM = 111,
1888         WLAN_EID_EMERGENCY_ALERT = 112,
1889         WLAN_EID_MESH_CONFIG = 113,
1890         WLAN_EID_MESH_ID = 114,
1891         WLAN_EID_LINK_METRIC_REPORT = 115,
1892         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1893         WLAN_EID_PEER_MGMT = 117,
1894         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1895         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1896         WLAN_EID_BEACON_TIMING = 120,
1897         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1898         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1899         WLAN_EID_MCCAOP_ADVERT = 123,
1900         WLAN_EID_MCCAOP_TEARDOWN = 124,
1901         WLAN_EID_GANN = 125,
1902         WLAN_EID_RANN = 126,
1903         WLAN_EID_EXT_CAPABILITY = 127,
1904         /* 128, 129 reserved for Agere */
1905         WLAN_EID_PREQ = 130,
1906         WLAN_EID_PREP = 131,
1907         WLAN_EID_PERR = 132,
1908         /* 133-136 reserved for Cisco */
1909         WLAN_EID_PXU = 137,
1910         WLAN_EID_PXUC = 138,
1911         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1912         WLAN_EID_MIC = 140,
1913         WLAN_EID_DESTINATION_URI = 141,
1914         WLAN_EID_UAPSD_COEX = 142,
1915         WLAN_EID_WAKEUP_SCHEDULE = 143,
1916         WLAN_EID_EXT_SCHEDULE = 144,
1917         WLAN_EID_STA_AVAILABILITY = 145,
1918         WLAN_EID_DMG_TSPEC = 146,
1919         WLAN_EID_DMG_AT = 147,
1920         WLAN_EID_DMG_CAP = 148,
1921         /* 149 reserved for Cisco */
1922         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1923         WLAN_EID_DMG_OPERATION = 151,
1924         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1925         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1926         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1927         /* 155-156 reserved for Cisco */
1928         WLAN_EID_AWAKE_WINDOW = 157,
1929         WLAN_EID_MULTI_BAND = 158,
1930         WLAN_EID_ADDBA_EXT = 159,
1931         WLAN_EID_NEXT_PCP_LIST = 160,
1932         WLAN_EID_PCP_HANDOVER = 161,
1933         WLAN_EID_DMG_LINK_MARGIN = 162,
1934         WLAN_EID_SWITCHING_STREAM = 163,
1935         WLAN_EID_SESSION_TRANSITION = 164,
1936         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1937         WLAN_EID_CLUSTER_REPORT = 166,
1938         WLAN_EID_RELAY_CAP = 167,
1939         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1940         WLAN_EID_BEAM_LINK_MAINT = 169,
1941         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1942         WLAN_EID_U_PID = 171,
1943         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1944         /* 173 reserved for Symbol */
1945         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1946         WLAN_EID_QUIET_PERIOD_REQ = 175,
1947         /* 176 reserved for Symbol */
1948         WLAN_EID_QUIET_PERIOD_RESP = 177,
1949         /* 178-179 reserved for Symbol */
1950         /* 180 reserved for ISO/IEC 20011 */
1951         WLAN_EID_EPAC_POLICY = 182,
1952         WLAN_EID_CLISTER_TIME_OFF = 183,
1953         WLAN_EID_INTER_AC_PRIO = 184,
1954         WLAN_EID_SCS_DESCRIPTOR = 185,
1955         WLAN_EID_QLOAD_REPORT = 186,
1956         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1957         WLAN_EID_HL_STREAM_ID = 188,
1958         WLAN_EID_GCR_GROUP_ADDR = 189,
1959         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1960         WLAN_EID_VHT_CAPABILITY = 191,
1961         WLAN_EID_VHT_OPERATION = 192,
1962         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1963         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1964         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1965         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1966         WLAN_EID_AID = 197,
1967         WLAN_EID_QUIET_CHANNEL = 198,
1968         WLAN_EID_OPMODE_NOTIF = 199,
1969
1970         WLAN_EID_VENDOR_SPECIFIC = 221,
1971         WLAN_EID_QOS_PARAMETER = 222,
1972 };
1973
1974 /* Action category code */
1975 enum ieee80211_category {
1976         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1977         WLAN_CATEGORY_QOS = 1,
1978         WLAN_CATEGORY_DLS = 2,
1979         WLAN_CATEGORY_BACK = 3,
1980         WLAN_CATEGORY_PUBLIC = 4,
1981         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
1982         WLAN_CATEGORY_HT = 7,
1983         WLAN_CATEGORY_SA_QUERY = 8,
1984         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1985         WLAN_CATEGORY_WNM = 10,
1986         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
1987         WLAN_CATEGORY_TDLS = 12,
1988         WLAN_CATEGORY_MESH_ACTION = 13,
1989         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1990         WLAN_CATEGORY_SELF_PROTECTED = 15,
1991         WLAN_CATEGORY_DMG = 16,
1992         WLAN_CATEGORY_WMM = 17,
1993         WLAN_CATEGORY_FST = 18,
1994         WLAN_CATEGORY_UNPROT_DMG = 20,
1995         WLAN_CATEGORY_VHT = 21,
1996         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1997         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1998 };
1999
2000 /* SPECTRUM_MGMT action code */
2001 enum ieee80211_spectrum_mgmt_actioncode {
2002         WLAN_ACTION_SPCT_MSR_REQ = 0,
2003         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2004         WLAN_ACTION_SPCT_TPC_REQ = 2,
2005         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2006         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2007 };
2008
2009 /* HT action codes */
2010 enum ieee80211_ht_actioncode {
2011         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2012         WLAN_HT_ACTION_SMPS = 1,
2013         WLAN_HT_ACTION_PSMP = 2,
2014         WLAN_HT_ACTION_PCO_PHASE = 3,
2015         WLAN_HT_ACTION_CSI = 4,
2016         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2017         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2018         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2019 };
2020
2021 /* VHT action codes */
2022 enum ieee80211_vht_actioncode {
2023         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2024         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2025         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2026 };
2027
2028 /* Self Protected Action codes */
2029 enum ieee80211_self_protected_actioncode {
2030         WLAN_SP_RESERVED = 0,
2031         WLAN_SP_MESH_PEERING_OPEN = 1,
2032         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2033         WLAN_SP_MESH_PEERING_CLOSE = 3,
2034         WLAN_SP_MGK_INFORM = 4,
2035         WLAN_SP_MGK_ACK = 5,
2036 };
2037
2038 /* Mesh action codes */
2039 enum ieee80211_mesh_actioncode {
2040         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2041         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2042         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2043         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2044         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2045         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2046         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2047         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2048         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2049         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2050         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2051 };
2052
2053 /* Security key length */
2054 enum ieee80211_key_len {
2055         WLAN_KEY_LEN_WEP40 = 5,
2056         WLAN_KEY_LEN_WEP104 = 13,
2057         WLAN_KEY_LEN_CCMP = 16,
2058         WLAN_KEY_LEN_CCMP_256 = 32,
2059         WLAN_KEY_LEN_TKIP = 32,
2060         WLAN_KEY_LEN_AES_CMAC = 16,
2061         WLAN_KEY_LEN_SMS4 = 32,
2062         WLAN_KEY_LEN_GCMP = 16,
2063         WLAN_KEY_LEN_GCMP_256 = 32,
2064         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2065         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2066         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2067 };
2068
2069 #define IEEE80211_WEP_IV_LEN            4
2070 #define IEEE80211_WEP_ICV_LEN           4
2071 #define IEEE80211_CCMP_HDR_LEN          8
2072 #define IEEE80211_CCMP_MIC_LEN          8
2073 #define IEEE80211_CCMP_PN_LEN           6
2074 #define IEEE80211_CCMP_256_HDR_LEN      8
2075 #define IEEE80211_CCMP_256_MIC_LEN      16
2076 #define IEEE80211_CCMP_256_PN_LEN       6
2077 #define IEEE80211_TKIP_IV_LEN           8
2078 #define IEEE80211_TKIP_ICV_LEN          4
2079 #define IEEE80211_CMAC_PN_LEN           6
2080 #define IEEE80211_GMAC_PN_LEN           6
2081 #define IEEE80211_GCMP_HDR_LEN          8
2082 #define IEEE80211_GCMP_MIC_LEN          16
2083 #define IEEE80211_GCMP_PN_LEN           6
2084
2085 /* Public action codes */
2086 enum ieee80211_pub_actioncode {
2087         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2088         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2089 };
2090
2091 /* TDLS action codes */
2092 enum ieee80211_tdls_actioncode {
2093         WLAN_TDLS_SETUP_REQUEST = 0,
2094         WLAN_TDLS_SETUP_RESPONSE = 1,
2095         WLAN_TDLS_SETUP_CONFIRM = 2,
2096         WLAN_TDLS_TEARDOWN = 3,
2097         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2098         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2099         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2100         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2101         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2102         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2103         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2104 };
2105
2106 /* Extended Channel Switching capability to be set in the 1st byte of
2107  * the @WLAN_EID_EXT_CAPABILITY information element
2108  */
2109 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2110
2111 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2112 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2113 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2114 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2115
2116 /* Interworking capabilities are set in 7th bit of 4th byte of the
2117  * @WLAN_EID_EXT_CAPABILITY information element
2118  */
2119 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2120
2121 /*
2122  * TDLS capabililites to be enabled in the 5th byte of the
2123  * @WLAN_EID_EXT_CAPABILITY information element
2124  */
2125 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2126 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2127 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2128
2129 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2130 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2131
2132 /* Defines the maximal number of MSDUs in an A-MSDU. */
2133 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2134 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2135
2136 /*
2137  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2138  * information element
2139  */
2140 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2141
2142 /* TDLS specific payload type in the LLC/SNAP header */
2143 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2144
2145 /* BSS Coex IE information field bits */
2146 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2147
2148 /**
2149  * enum - mesh synchronization method identifier
2150  *
2151  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2152  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2153  *      that will be specified in a vendor specific information element
2154  */
2155 enum {
2156         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2157         IEEE80211_SYNC_METHOD_VENDOR = 255,
2158 };
2159
2160 /**
2161  * enum - mesh path selection protocol identifier
2162  *
2163  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2164  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2165  *      be specified in a vendor specific information element
2166  */
2167 enum {
2168         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2169         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2170 };
2171
2172 /**
2173  * enum - mesh path selection metric identifier
2174  *
2175  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2176  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2177  *      specified in a vendor specific information element
2178  */
2179 enum {
2180         IEEE80211_PATH_METRIC_AIRTIME = 1,
2181         IEEE80211_PATH_METRIC_VENDOR = 255,
2182 };
2183
2184 /**
2185  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2186  *
2187  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2188  *
2189  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2190  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2191  *      this value
2192  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2193  *      the proactive PREQ with proactive PREP subfield set to 0
2194  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2195  *      supports the proactive PREQ with proactive PREP subfield set to 1
2196  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2197  *      the proactive RANN
2198  */
2199 enum ieee80211_root_mode_identifier {
2200         IEEE80211_ROOTMODE_NO_ROOT = 0,
2201         IEEE80211_ROOTMODE_ROOT = 1,
2202         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2203         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2204         IEEE80211_PROACTIVE_RANN = 4,
2205 };
2206
2207 /*
2208  * IEEE 802.11-2007 7.3.2.9 Country information element
2209  *
2210  * Minimum length is 8 octets, ie len must be evenly
2211  * divisible by 2
2212  */
2213
2214 /* Although the spec says 8 I'm seeing 6 in practice */
2215 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2216
2217 /* The Country String field of the element shall be 3 octets in length */
2218 #define IEEE80211_COUNTRY_STRING_LEN    3
2219
2220 /*
2221  * For regulatory extension stuff see IEEE 802.11-2007
2222  * Annex I (page 1141) and Annex J (page 1147). Also
2223  * review 7.3.2.9.
2224  *
2225  * When dot11RegulatoryClassesRequired is true and the
2226  * first_channel/reg_extension_id is >= 201 then the IE
2227  * compromises of the 'ext' struct represented below:
2228  *
2229  *  - Regulatory extension ID - when generating IE this just needs
2230  *    to be monotonically increasing for each triplet passed in
2231  *    the IE
2232  *  - Regulatory class - index into set of rules
2233  *  - Coverage class - index into air propagation time (Table 7-27),
2234  *    in microseconds, you can compute the air propagation time from
2235  *    the index by multiplying by 3, so index 10 yields a propagation
2236  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2237  *    yet. A value of 0 inicates air propagation of <= 1 us.
2238  *
2239  *  See also Table I.2 for Emission limit sets and table
2240  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2241  *  a reg_class to an emission limit set and behavior limit set.
2242  */
2243 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2244
2245 /*
2246  *  Channels numbers in the IE must be monotonically increasing
2247  *  if dot11RegulatoryClassesRequired is not true.
2248  *
2249  *  If dot11RegulatoryClassesRequired is true consecutive
2250  *  subband triplets following a regulatory triplet shall
2251  *  have monotonically increasing first_channel number fields.
2252  *
2253  *  Channel numbers shall not overlap.
2254  *
2255  *  Note that max_power is signed.
2256  */
2257 struct ieee80211_country_ie_triplet {
2258         union {
2259                 struct {
2260                         u8 first_channel;
2261                         u8 num_channels;
2262                         s8 max_power;
2263                 } __packed chans;
2264                 struct {
2265                         u8 reg_extension_id;
2266                         u8 reg_class;
2267                         u8 coverage_class;
2268                 } __packed ext;
2269         };
2270 } __packed;
2271
2272 enum ieee80211_timeout_interval_type {
2273         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2274         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2275         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2276 };
2277
2278 /**
2279  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2280  * @type: type, see &enum ieee80211_timeout_interval_type
2281  * @value: timeout interval value
2282  */
2283 struct ieee80211_timeout_interval_ie {
2284         u8 type;
2285         __le32 value;
2286 } __packed;
2287
2288 /* BACK action code */
2289 enum ieee80211_back_actioncode {
2290         WLAN_ACTION_ADDBA_REQ = 0,
2291         WLAN_ACTION_ADDBA_RESP = 1,
2292         WLAN_ACTION_DELBA = 2,
2293 };
2294
2295 /* BACK (block-ack) parties */
2296 enum ieee80211_back_parties {
2297         WLAN_BACK_RECIPIENT = 0,
2298         WLAN_BACK_INITIATOR = 1,
2299 };
2300
2301 /* SA Query action */
2302 enum ieee80211_sa_query_action {
2303         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2304         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2305 };
2306
2307
2308 /* cipher suite selectors */
2309 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2310 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2311 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2312 /* reserved:                            0x000FAC03 */
2313 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2314 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2315 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2316 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2317 #define WLAN_CIPHER_SUITE_GCMP_256      0x000FAC09
2318 #define WLAN_CIPHER_SUITE_CCMP_256      0x000FAC0A
2319 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  0x000FAC0B
2320 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  0x000FAC0C
2321 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  0x000FAC0D
2322
2323 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2324
2325 /* AKM suite selectors */
2326 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2327 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2328 #define WLAN_AKM_SUITE_8021X_SHA256     0x000FAC05
2329 #define WLAN_AKM_SUITE_PSK_SHA256       0x000FAC06
2330 #define WLAN_AKM_SUITE_TDLS             0x000FAC07
2331 #define WLAN_AKM_SUITE_SAE              0x000FAC08
2332 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2333
2334 #define WLAN_MAX_KEY_LEN                32
2335
2336 #define WLAN_PMKID_LEN                  16
2337
2338 #define WLAN_OUI_WFA                    0x506f9a
2339 #define WLAN_OUI_TYPE_WFA_P2P           9
2340 #define WLAN_OUI_MICROSOFT              0x0050f2
2341 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2342 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2343 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2344
2345 /*
2346  * WMM/802.11e Tspec Element
2347  */
2348 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2349 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2350
2351 enum ieee80211_tspec_status_code {
2352         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2353         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2354 };
2355
2356 struct ieee80211_tspec_ie {
2357         u8 element_id;
2358         u8 len;
2359         u8 oui[3];
2360         u8 oui_type;
2361         u8 oui_subtype;
2362         u8 version;
2363         __le16 tsinfo;
2364         u8 tsinfo_resvd;
2365         __le16 nominal_msdu;
2366         __le16 max_msdu;
2367         __le32 min_service_int;
2368         __le32 max_service_int;
2369         __le32 inactivity_int;
2370         __le32 suspension_int;
2371         __le32 service_start_time;
2372         __le32 min_data_rate;
2373         __le32 mean_data_rate;
2374         __le32 peak_data_rate;
2375         __le32 max_burst_size;
2376         __le32 delay_bound;
2377         __le32 min_phy_rate;
2378         __le16 sba;
2379         __le16 medium_time;
2380 } __packed;
2381
2382 /**
2383  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2384  * @hdr: the frame
2385  *
2386  * The qos ctrl bytes come after the frame_control, duration, seq_num
2387  * and 3 or 4 addresses of length ETH_ALEN.
2388  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2389  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2390  */
2391 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2392 {
2393         if (ieee80211_has_a4(hdr->frame_control))
2394                 return (u8 *)hdr + 30;
2395         else
2396                 return (u8 *)hdr + 24;
2397 }
2398
2399 /**
2400  * ieee80211_get_SA - get pointer to SA
2401  * @hdr: the frame
2402  *
2403  * Given an 802.11 frame, this function returns the offset
2404  * to the source address (SA). It does not verify that the
2405  * header is long enough to contain the address, and the
2406  * header must be long enough to contain the frame control
2407  * field.
2408  */
2409 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2410 {
2411         if (ieee80211_has_a4(hdr->frame_control))
2412                 return hdr->addr4;
2413         if (ieee80211_has_fromds(hdr->frame_control))
2414                 return hdr->addr3;
2415         return hdr->addr2;
2416 }
2417
2418 /**
2419  * ieee80211_get_DA - get pointer to DA
2420  * @hdr: the frame
2421  *
2422  * Given an 802.11 frame, this function returns the offset
2423  * to the destination address (DA). It does not verify that
2424  * the header is long enough to contain the address, and the
2425  * header must be long enough to contain the frame control
2426  * field.
2427  */
2428 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2429 {
2430         if (ieee80211_has_tods(hdr->frame_control))
2431                 return hdr->addr3;
2432         else
2433                 return hdr->addr1;
2434 }
2435
2436 /**
2437  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2438  * @hdr: the frame (buffer must include at least the first octet of payload)
2439  */
2440 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2441 {
2442         if (ieee80211_is_disassoc(hdr->frame_control) ||
2443             ieee80211_is_deauth(hdr->frame_control))
2444                 return true;
2445
2446         if (ieee80211_is_action(hdr->frame_control)) {
2447                 u8 *category;
2448
2449                 /*
2450                  * Action frames, excluding Public Action frames, are Robust
2451                  * Management Frames. However, if we are looking at a Protected
2452                  * frame, skip the check since the data may be encrypted and
2453                  * the frame has already been found to be a Robust Management
2454                  * Frame (by the other end).
2455                  */
2456                 if (ieee80211_has_protected(hdr->frame_control))
2457                         return true;
2458                 category = ((u8 *) hdr) + 24;
2459                 return *category != WLAN_CATEGORY_PUBLIC &&
2460                         *category != WLAN_CATEGORY_HT &&
2461                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2462                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2463                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2464                         *category != WLAN_CATEGORY_VHT &&
2465                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2466         }
2467
2468         return false;
2469 }
2470
2471 /**
2472  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2473  * @skb: the skb containing the frame, length will be checked
2474  */
2475 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2476 {
2477         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2478                 return false;
2479         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2480 }
2481
2482 /**
2483  * ieee80211_is_public_action - check if frame is a public action frame
2484  * @hdr: the frame
2485  * @len: length of the frame
2486  */
2487 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2488                                               size_t len)
2489 {
2490         struct ieee80211_mgmt *mgmt = (void *)hdr;
2491
2492         if (len < IEEE80211_MIN_ACTION_SIZE)
2493                 return false;
2494         if (!ieee80211_is_action(hdr->frame_control))
2495                 return false;
2496         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2497 }
2498
2499 /**
2500  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2501  * privacy action frame
2502  * @hdr: the frame
2503  */
2504 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2505 {
2506         struct ieee80211_mgmt *mgmt = (void *)hdr;
2507
2508         if (!ieee80211_is_action(hdr->frame_control) ||
2509             !is_multicast_ether_addr(hdr->addr1))
2510                 return false;
2511
2512         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2513                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2514 }
2515
2516 /**
2517  * ieee80211_is_group_privacy_action - check if frame is a group addressed
2518  * privacy action frame
2519  * @skb: the skb containing the frame, length will be checked
2520  */
2521 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
2522 {
2523         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2524                 return false;
2525         return _ieee80211_is_group_privacy_action((void *)skb->data);
2526 }
2527
2528 /**
2529  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2530  * @tu: the TUs
2531  */
2532 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2533 {
2534         return 1024 * tu;
2535 }
2536
2537 /**
2538  * ieee80211_check_tim - check if AID bit is set in TIM
2539  * @tim: the TIM IE
2540  * @tim_len: length of the TIM IE
2541  * @aid: the AID to look for
2542  */
2543 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2544                                        u8 tim_len, u16 aid)
2545 {
2546         u8 mask;
2547         u8 index, indexn1, indexn2;
2548
2549         if (unlikely(!tim || tim_len < sizeof(*tim)))
2550                 return false;
2551
2552         aid &= 0x3fff;
2553         index = aid / 8;
2554         mask  = 1 << (aid & 7);
2555
2556         indexn1 = tim->bitmap_ctrl & 0xfe;
2557         indexn2 = tim_len + indexn1 - 4;
2558
2559         if (index < indexn1 || index > indexn2)
2560                 return false;
2561
2562         index -= indexn1;
2563
2564         return !!(tim->virtual_map[index] & mask);
2565 }
2566
2567 /**
2568  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2569  * @skb: the skb containing the frame, length will not be checked
2570  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2571  *
2572  * This function assumes the frame is a data frame, and that the network header
2573  * is in the correct place.
2574  */
2575 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2576 {
2577         if (!skb_is_nonlinear(skb) &&
2578             skb->len > (skb_network_offset(skb) + 2)) {
2579                 /* Point to where the indication of TDLS should start */
2580                 const u8 *tdls_data = skb_network_header(skb) - 2;
2581
2582                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2583                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2584                     tdls_data[3] == WLAN_CATEGORY_TDLS)
2585                         return tdls_data[4];
2586         }
2587
2588         return -1;
2589 }
2590
2591 /* convert time units */
2592 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2593 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2594
2595 /**
2596  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2597  * @skb: the skb containing the frame, length will be checked
2598  *
2599  * This function checks if it's either TPC report action frame or Link
2600  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2601  * and 8.5.7.5 accordingly.
2602  */
2603 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2604 {
2605         struct ieee80211_mgmt *mgmt = (void *)skb->data;
2606
2607         if (!ieee80211_is_action(mgmt->frame_control))
2608                 return false;
2609
2610         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2611                        sizeof(mgmt->u.action.u.tpc_report))
2612                 return false;
2613
2614         /*
2615          * TPC report - check that:
2616          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2617          * spectrum management action = 3 (TPC/Link Measurement report)
2618          * TPC report EID = 35
2619          * TPC report element length = 2
2620          *
2621          * The spectrum management's tpc_report struct is used here both for
2622          * parsing tpc_report and radio measurement's link measurement report
2623          * frame, since the relevant part is identical in both frames.
2624          */
2625         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2626             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2627                 return false;
2628
2629         /* both spectrum mgmt and link measurement have same action code */
2630         if (mgmt->u.action.u.tpc_report.action_code !=
2631             WLAN_ACTION_SPCT_TPC_RPRT)
2632                 return false;
2633
2634         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2635             mgmt->u.action.u.tpc_report.tpc_elem_length !=
2636             sizeof(struct ieee80211_tpc_report_ie))
2637                 return false;
2638
2639         return true;
2640 }
2641
2642 struct element {
2643         u8 id;
2644         u8 datalen;
2645         u8 data[];
2646 } __packed;
2647
2648 /* element iteration helpers */
2649 #define for_each_element(_elem, _data, _datalen)                        \
2650         for (_elem = (const struct element *)(_data);                   \
2651              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
2652                 (int)sizeof(*_elem) &&                                  \
2653              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
2654                 (int)sizeof(*_elem) + _elem->datalen;                   \
2655              _elem = (const struct element *)(_elem->data + _elem->datalen))
2656
2657 #define for_each_element_id(element, _id, data, datalen)                \
2658         for_each_element(element, data, datalen)                        \
2659                 if (element->id == (_id))
2660
2661 #define for_each_element_extid(element, extid, data, datalen)           \
2662         for_each_element(element, data, datalen)                        \
2663                 if (element->id == WLAN_EID_EXTENSION &&                \
2664                     element->datalen > 0 &&                             \
2665                     element->data[0] == (extid))
2666
2667 #define for_each_subelement(sub, element)                               \
2668         for_each_element(sub, (element)->data, (element)->datalen)
2669
2670 #define for_each_subelement_id(sub, id, element)                        \
2671         for_each_element_id(sub, id, (element)->data, (element)->datalen)
2672
2673 #define for_each_subelement_extid(sub, extid, element)                  \
2674         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
2675
2676 /**
2677  * for_each_element_completed - determine if element parsing consumed all data
2678  * @element: element pointer after for_each_element() or friends
2679  * @data: same data pointer as passed to for_each_element() or friends
2680  * @datalen: same data length as passed to for_each_element() or friends
2681  *
2682  * This function returns %true if all the data was parsed or considered
2683  * while walking the elements. Only use this if your for_each_element()
2684  * loop cannot be broken out of, otherwise it always returns %false.
2685  *
2686  * If some data was malformed, this returns %false since the last parsed
2687  * element will not fill the whole remaining data.
2688  */
2689 static inline bool for_each_element_completed(const struct element *element,
2690                                               const void *data, size_t datalen)
2691 {
2692         return (const u8 *)element == (const u8 *)data + datalen;
2693 }
2694
2695 #endif /* LINUX_IEEE80211_H */