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  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #ifndef __LINUX_IEEE80211_H
  16 #define __LINUX_IEEE80211_H
  17
  18 /*
  19  * DS bit usage
  20  *
  21  * TA = transmitter address
  22  * RA = receiver address
  23  * DA = destination address
  24  * SA = source address
  25  *
  26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  27  * -----------------------------------------------------------------
  28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  29  *  0       1       DA      BSSID   SA      -       AP -> STA
  30  *  1       0       BSSID   SA      DA      -       AP <- STA
  31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  32  */
  33
  34 #define FCS_LEN 4
  35
  36 #define IEEE80211_FCTL_VERS             0x0003
  37 #define IEEE80211_FCTL_FTYPE            0x000c
  38 #define IEEE80211_FCTL_STYPE            0x00f0
  39 #define IEEE80211_FCTL_TODS             0x0100
  40 #define IEEE80211_FCTL_FROMDS           0x0200
  41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  42 #define IEEE80211_FCTL_RETRY            0x0800
  43 #define IEEE80211_FCTL_PM               0x1000
  44 #define IEEE80211_FCTL_MOREDATA         0x2000
  45 #define IEEE80211_FCTL_PROTECTED        0x4000
  46 #define IEEE80211_FCTL_ORDER            0x8000
  47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  48
  49 #define IEEE80211_SCTL_FRAG             0x000F
  50 #define IEEE80211_SCTL_SEQ              0xFFF0
  51
  52 #define IEEE80211_FTYPE_MGMT            0x0000
  53 #define IEEE80211_FTYPE_CTL             0x0004
  54 #define IEEE80211_FTYPE_DATA            0x0008
  55 #define IEEE80211_FTYPE_EXT             0x000c
  56
  57 /* management */
  58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  64 #define IEEE80211_STYPE_BEACON          0x0080
  65 #define IEEE80211_STYPE_ATIM            0x0090
  66 #define IEEE80211_STYPE_DISASSOC        0x00A0
  67 #define IEEE80211_STYPE_AUTH            0x00B0
  68 #define IEEE80211_STYPE_DEAUTH          0x00C0
  69 #define IEEE80211_STYPE_ACTION          0x00D0
  70
  71 /* control */
  72 #define IEEE80211_STYPE_CTL_EXT         0x0060
  73 #define IEEE80211_STYPE_BACK_REQ        0x0080
  74 #define IEEE80211_STYPE_BACK            0x0090
  75 #define IEEE80211_STYPE_PSPOLL          0x00A0
  76 #define IEEE80211_STYPE_RTS             0x00B0
  77 #define IEEE80211_STYPE_CTS             0x00C0
  78 #define IEEE80211_STYPE_ACK             0x00D0
  79 #define IEEE80211_STYPE_CFEND           0x00E0
  80 #define IEEE80211_STYPE_CFENDACK        0x00F0
  81
  82 /* data */
  83 #define IEEE80211_STYPE_DATA                    0x0000
  84 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  85 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  86 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  87 #define IEEE80211_STYPE_NULLFUNC                0x0040
  88 #define IEEE80211_STYPE_CFACK                   0x0050
  89 #define IEEE80211_STYPE_CFPOLL                  0x0060
  90 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  91 #define IEEE80211_STYPE_QOS_DATA                0x0080
  92 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  95 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  96 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  97 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  98 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
  99
 100 /* extension, added by 802.11ad */
 101 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 102
 103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 104 #define IEEE80211_CTL_EXT_POLL          0x2000
 105 #define IEEE80211_CTL_EXT_SPR           0x3000
 106 #define IEEE80211_CTL_EXT_GRANT 0x4000
 107 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 108 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 109 #define IEEE80211_CTL_EXT_SSW           0x8000
 110 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 111 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 112
 113
 114 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 115 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 116 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 117
 118 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
 119 {
 120         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 121 }
 122
 123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 124 {
 125         return (sn1 + sn2) & IEEE80211_SN_MASK;
 126 }
 127
 128 static inline u16 ieee80211_sn_inc(u16 sn)
 129 {
 130         return ieee80211_sn_add(sn, 1);
 131 }
 132
 133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 134 {
 135         return (sn1 - sn2) & IEEE80211_SN_MASK;
 136 }
 137
 138 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 139 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 140
 141 /* miscellaneous IEEE 802.11 constants */
 142 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 143 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 144 #define IEEE80211_MAX_AID               2007
 145 #define IEEE80211_MAX_TIM_LEN           251
 146 #define IEEE80211_MAX_MESH_PEERINGS     63
 147 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 148    6.2.1.1.2.
 149
 150    802.11e clarifies the figure in section 7.1.2. The frame body is
 151    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 152 #define IEEE80211_MAX_DATA_LEN          2304
 153 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 154  * to 7920 bytes, see 8.2.3 General frame format
 155  */
 156 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 157 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 158 #define IEEE80211_MAX_FRAME_LEN         2352
 159
 160 #define IEEE80211_MAX_SSID_LEN          32
 161
 162 #define IEEE80211_MAX_MESH_ID_LEN       32
 163
 164 #define IEEE80211_NUM_TIDS              16
 165
 166 #define IEEE80211_QOS_CTL_LEN           2
 167 /* 1d tag mask */
 168 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 169 /* TID mask */
 170 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 171 /* EOSP */
 172 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 173 /* ACK policy */
 174 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 175 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 176 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 177 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 178 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 179 /* A-MSDU 802.11n */
 180 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 181 /* Mesh Control 802.11s */
 182 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 183
 184 /* U-APSD queue for WMM IEs sent by AP */
 185 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 186 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 187
 188 /* U-APSD queues for WMM IEs sent by STA */
 189 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 190 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 191 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 192 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 193 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 194
 195 /* U-APSD max SP length for WMM IEs sent by STA */
 196 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 197 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 198 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 199 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 200 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 202
 203 #define IEEE80211_HT_CTL_LEN            4
 204
 205 struct ieee80211_hdr {
 206         __le16 frame_control;
 207         __le16 duration_id;
 208         u8 addr1[6];
 209         u8 addr2[6];
 210         u8 addr3[6];
 211         __le16 seq_ctrl;
 212         u8 addr4[6];
 213 } __packed __aligned(2);
 214
 215 struct ieee80211_hdr_3addr {
 216         __le16 frame_control;
 217         __le16 duration_id;
 218         u8 addr1[6];
 219         u8 addr2[6];
 220         u8 addr3[6];
 221         __le16 seq_ctrl;
 222 } __packed __aligned(2);
 223
 224 struct ieee80211_qos_hdr {
 225         __le16 frame_control;
 226         __le16 duration_id;
 227         u8 addr1[6];
 228         u8 addr2[6];
 229         u8 addr3[6];
 230         __le16 seq_ctrl;
 231         __le16 qos_ctrl;
 232 } __packed __aligned(2);
 233
 234 /**
 235  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 236  * @fc: frame control bytes in little-endian byteorder
 237  */
 238 static inline int ieee80211_has_tods(__le16 fc)
 239 {
 240         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 241 }
 242
 243 /**
 244  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 245  * @fc: frame control bytes in little-endian byteorder
 246  */
 247 static inline int ieee80211_has_fromds(__le16 fc)
 248 {
 249         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 250 }
 251
 252 /**
 253  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 254  * @fc: frame control bytes in little-endian byteorder
 255  */
 256 static inline int ieee80211_has_a4(__le16 fc)
 257 {
 258         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 259         return (fc & tmp) == tmp;
 260 }
 261
 262 /**
 263  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 264  * @fc: frame control bytes in little-endian byteorder
 265  */
 266 static inline int ieee80211_has_morefrags(__le16 fc)
 267 {
 268         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 269 }
 270
 271 /**
 272  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 273  * @fc: frame control bytes in little-endian byteorder
 274  */
 275 static inline int ieee80211_has_retry(__le16 fc)
 276 {
 277         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 278 }
 279
 280 /**
 281  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 282  * @fc: frame control bytes in little-endian byteorder
 283  */
 284 static inline int ieee80211_has_pm(__le16 fc)
 285 {
 286         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 287 }
 288
 289 /**
 290  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 291  * @fc: frame control bytes in little-endian byteorder
 292  */
 293 static inline int ieee80211_has_moredata(__le16 fc)
 294 {
 295         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 296 }
 297
 298 /**
 299  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 300  * @fc: frame control bytes in little-endian byteorder
 301  */
 302 static inline int ieee80211_has_protected(__le16 fc)
 303 {
 304         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 305 }
 306
 307 /**
 308  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 309  * @fc: frame control bytes in little-endian byteorder
 310  */
 311 static inline int ieee80211_has_order(__le16 fc)
 312 {
 313         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 314 }
 315
 316 /**
 317  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 318  * @fc: frame control bytes in little-endian byteorder
 319  */
 320 static inline int ieee80211_is_mgmt(__le16 fc)
 321 {
 322         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 323                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 324 }
 325
 326 /**
 327  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 328  * @fc: frame control bytes in little-endian byteorder
 329  */
 330 static inline int ieee80211_is_ctl(__le16 fc)
 331 {
 332         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 333                cpu_to_le16(IEEE80211_FTYPE_CTL);
 334 }
 335
 336 /**
 337  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 338  * @fc: frame control bytes in little-endian byteorder
 339  */
 340 static inline int ieee80211_is_data(__le16 fc)
 341 {
 342         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 343                cpu_to_le16(IEEE80211_FTYPE_DATA);
 344 }
 345
 346 /**
 347  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 348  * @fc: frame control bytes in little-endian byteorder
 349  */
 350 static inline int ieee80211_is_data_qos(__le16 fc)
 351 {
 352         /*
 353          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 354          * to check the one bit
 355          */
 356         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 357                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 358 }
 359
 360 /**
 361  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 362  * @fc: frame control bytes in little-endian byteorder
 363  */
 364 static inline int ieee80211_is_data_present(__le16 fc)
 365 {
 366         /*
 367          * mask with 0x40 and test that that bit is clear to only return true
 368          * for the data-containing substypes.
 369          */
 370         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 371                cpu_to_le16(IEEE80211_FTYPE_DATA);
 372 }
 373
 374 /**
 375  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 376  * @fc: frame control bytes in little-endian byteorder
 377  */
 378 static inline int ieee80211_is_assoc_req(__le16 fc)
 379 {
 380         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 381                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 382 }
 383
 384 /**
 385  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 386  * @fc: frame control bytes in little-endian byteorder
 387  */
 388 static inline int ieee80211_is_assoc_resp(__le16 fc)
 389 {
 390         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 391                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 392 }
 393
 394 /**
 395  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 396  * @fc: frame control bytes in little-endian byteorder
 397  */
 398 static inline int ieee80211_is_reassoc_req(__le16 fc)
 399 {
 400         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 401                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 402 }
 403
 404 /**
 405  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 406  * @fc: frame control bytes in little-endian byteorder
 407  */
 408 static inline int ieee80211_is_reassoc_resp(__le16 fc)
 409 {
 410         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 411                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 412 }
 413
 414 /**
 415  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 416  * @fc: frame control bytes in little-endian byteorder
 417  */
 418 static inline int ieee80211_is_probe_req(__le16 fc)
 419 {
 420         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 421                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 422 }
 423
 424 /**
 425  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 426  * @fc: frame control bytes in little-endian byteorder
 427  */
 428 static inline int ieee80211_is_probe_resp(__le16 fc)
 429 {
 430         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 431                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 432 }
 433
 434 /**
 435  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 436  * @fc: frame control bytes in little-endian byteorder
 437  */
 438 static inline int ieee80211_is_beacon(__le16 fc)
 439 {
 440         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 441                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 442 }
 443
 444 /**
 445  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 446  * @fc: frame control bytes in little-endian byteorder
 447  */
 448 static inline int ieee80211_is_atim(__le16 fc)
 449 {
 450         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 451                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 452 }
 453
 454 /**
 455  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 456  * @fc: frame control bytes in little-endian byteorder
 457  */
 458 static inline int ieee80211_is_disassoc(__le16 fc)
 459 {
 460         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 461                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 462 }
 463
 464 /**
 465  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 466  * @fc: frame control bytes in little-endian byteorder
 467  */
 468 static inline int ieee80211_is_auth(__le16 fc)
 469 {
 470         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 471                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 472 }
 473
 474 /**
 475  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 476  * @fc: frame control bytes in little-endian byteorder
 477  */
 478 static inline int ieee80211_is_deauth(__le16 fc)
 479 {
 480         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 481                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 482 }
 483
 484 /**
 485  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 486  * @fc: frame control bytes in little-endian byteorder
 487  */
 488 static inline int ieee80211_is_action(__le16 fc)
 489 {
 490         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 491                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 492 }
 493
 494 /**
 495  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 496  * @fc: frame control bytes in little-endian byteorder
 497  */
 498 static inline int ieee80211_is_back_req(__le16 fc)
 499 {
 500         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 501                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 502 }
 503
 504 /**
 505  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 506  * @fc: frame control bytes in little-endian byteorder
 507  */
 508 static inline int ieee80211_is_back(__le16 fc)
 509 {
 510         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 511                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 512 }
 513
 514 /**
 515  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 516  * @fc: frame control bytes in little-endian byteorder
 517  */
 518 static inline int ieee80211_is_pspoll(__le16 fc)
 519 {
 520         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 521                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 522 }
 523
 524 /**
 525  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 526  * @fc: frame control bytes in little-endian byteorder
 527  */
 528 static inline int ieee80211_is_rts(__le16 fc)
 529 {
 530         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 531                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 532 }
 533
 534 /**
 535  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 536  * @fc: frame control bytes in little-endian byteorder
 537  */
 538 static inline int ieee80211_is_cts(__le16 fc)
 539 {
 540         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 541                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 542 }
 543
 544 /**
 545  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 546  * @fc: frame control bytes in little-endian byteorder
 547  */
 548 static inline int ieee80211_is_ack(__le16 fc)
 549 {
 550         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 551                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 552 }
 553
 554 /**
 555  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 556  * @fc: frame control bytes in little-endian byteorder
 557  */
 558 static inline int ieee80211_is_cfend(__le16 fc)
 559 {
 560         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 561                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 562 }
 563
 564 /**
 565  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 566  * @fc: frame control bytes in little-endian byteorder
 567  */
 568 static inline int ieee80211_is_cfendack(__le16 fc)
 569 {
 570         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 571                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 572 }
 573
 574 /**
 575  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 576  * @fc: frame control bytes in little-endian byteorder
 577  */
 578 static inline int ieee80211_is_nullfunc(__le16 fc)
 579 {
 580         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 581                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 582 }
 583
 584 /**
 585  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 586  * @fc: frame control bytes in little-endian byteorder
 587  */
 588 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
 589 {
 590         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 591                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 592 }
 593
 594 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 595 {
 596         unsigned int hdrlen = 24;
 597
 598         if (ieee80211_has_a4(fc))
 599                 hdrlen = 30;
 600
 601         if (ieee80211_is_data_qos(fc)) {
 602                 hdrlen += IEEE80211_QOS_CTL_LEN;
 603                 if (ieee80211_has_order(fc))
 604                         hdrlen += IEEE80211_HT_CTL_LEN;
 605         }
 606
 607         return hdrlen;
 608 }
 609
 610 /**
 611  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 612  * @fc: frame control field in little-endian byteorder
 613  */
 614 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 615 {
 616         /* IEEE 802.11-2012, definition of "bufferable management frame";
 617          * note that this ignores the IBSS special case. */
 618         return ieee80211_is_mgmt(fc) &&
 619                (ieee80211_is_action(fc) ||
 620                 ieee80211_is_disassoc(fc) ||
 621                 ieee80211_is_deauth(fc));
 622 }
 623
 624 /**
 625  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 626  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 627  */
 628 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
 629 {
 630         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 631 }
 632
 633 struct ieee80211s_hdr {
 634         u8 flags;
 635         u8 ttl;
 636         __le32 seqnum;
 637         u8 eaddr1[6];
 638         u8 eaddr2[6];
 639 } __packed __aligned(2);
 640
 641 /* Mesh flags */
 642 #define MESH_FLAGS_AE_A4        0x1
 643 #define MESH_FLAGS_AE_A5_A6     0x2
 644 #define MESH_FLAGS_AE           0x3
 645 #define MESH_FLAGS_PS_DEEP      0x4
 646
 647 /**
 648  * enum ieee80211_preq_flags - mesh PREQ element flags
 649  *
 650  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 651  */
 652 enum ieee80211_preq_flags {
 653         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 654 };
 655
 656 /**
 657  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 658  *
 659  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 660  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 661  */
 662 enum ieee80211_preq_target_flags {
 663         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 664         IEEE80211_PREQ_USN_FLAG = 1<<2,
 665 };
 666
 667 /**
 668  * struct ieee80211_quiet_ie
 669  *
 670  * This structure refers to "Quiet information element"
 671  */
 672 struct ieee80211_quiet_ie {
 673         u8 count;
 674         u8 period;
 675         __le16 duration;
 676         __le16 offset;
 677 } __packed;
 678
 679 /**
 680  * struct ieee80211_msrment_ie
 681  *
 682  * This structure refers to "Measurement Request/Report information element"
 683  */
 684 struct ieee80211_msrment_ie {
 685         u8 token;
 686         u8 mode;
 687         u8 type;
 688         u8 request[0];
 689 } __packed;
 690
 691 /**
 692  * struct ieee80211_channel_sw_ie
 693  *
 694  * This structure refers to "Channel Switch Announcement information element"
 695  */
 696 struct ieee80211_channel_sw_ie {
 697         u8 mode;
 698         u8 new_ch_num;
 699         u8 count;
 700 } __packed;
 701
 702 /**
 703  * struct ieee80211_ext_chansw_ie
 704  *
 705  * This structure represents the "Extended Channel Switch Announcement element"
 706  */
 707 struct ieee80211_ext_chansw_ie {
 708         u8 mode;
 709         u8 new_operating_class;
 710         u8 new_ch_num;
 711         u8 count;
 712 } __packed;
 713
 714 /**
 715  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 716  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 717  *      values here
 718  * This structure represents the "Secondary Channel Offset element"
 719  */
 720 struct ieee80211_sec_chan_offs_ie {
 721         u8 sec_chan_offs;
 722 } __packed;
 723
 724 /**
 725  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 726  *
 727  * This structure represents the "Mesh Channel Switch Paramters element"
 728  */
 729 struct ieee80211_mesh_chansw_params_ie {
 730         u8 mesh_ttl;
 731         u8 mesh_flags;
 732         __le16 mesh_reason;
 733         __le16 mesh_pre_value;
 734 } __packed;
 735
 736 /**
 737  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 738  */
 739 struct ieee80211_wide_bw_chansw_ie {
 740         u8 new_channel_width;
 741         u8 new_center_freq_seg0, new_center_freq_seg1;
 742 } __packed;
 743
 744 /**
 745  * struct ieee80211_tim
 746  *
 747  * This structure refers to "Traffic Indication Map information element"
 748  */
 749 struct ieee80211_tim_ie {
 750         u8 dtim_count;
 751         u8 dtim_period;
 752         u8 bitmap_ctrl;
 753         /* variable size: 1 - 251 bytes */
 754         u8 virtual_map[1];
 755 } __packed;
 756
 757 /**
 758  * struct ieee80211_meshconf_ie
 759  *
 760  * This structure refers to "Mesh Configuration information element"
 761  */
 762 struct ieee80211_meshconf_ie {
 763         u8 meshconf_psel;
 764         u8 meshconf_pmetric;
 765         u8 meshconf_congest;
 766         u8 meshconf_synch;
 767         u8 meshconf_auth;
 768         u8 meshconf_form;
 769         u8 meshconf_cap;
 770 } __packed;
 771
 772 /**
 773  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 774  *
 775  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 776  *      additional mesh peerings with other mesh STAs
 777  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 778  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 779  *      is ongoing
 780  */
 781 enum mesh_config_capab_flags {
 782         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 783         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 784         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 785 };
 786
 787 /**
 788  * mesh channel switch parameters element's flag indicator
 789  *
 790  */
 791 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 792 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 793 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 794
 795 /**
 796  * struct ieee80211_rann_ie
 797  *
 798  * This structure refers to "Root Announcement information element"
 799  */
 800 struct ieee80211_rann_ie {
 801         u8 rann_flags;
 802         u8 rann_hopcount;
 803         u8 rann_ttl;
 804         u8 rann_addr[6];
 805         __le32 rann_seq;
 806         __le32 rann_interval;
 807         __le32 rann_metric;
 808 } __packed;
 809
 810 enum ieee80211_rann_flags {
 811         RANN_FLAG_IS_GATE = 1 << 0,
 812 };
 813
 814 enum ieee80211_ht_chanwidth_values {
 815         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 816         IEEE80211_HT_CHANWIDTH_ANY = 1,
 817 };
 818
 819 /**
 820  * enum ieee80211_opmode_bits - VHT operating mode field bits
 821  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 822  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 823  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 824  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 825  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 826  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 827  *      (the NSS value is the value of this field + 1)
 828  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 829  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 830  *      using a beamforming steering matrix
 831  */
 832 enum ieee80211_vht_opmode_bits {
 833         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 834         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 835         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 836         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 837         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 838         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 839         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 840         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 841 };
 842
 843 #define WLAN_SA_QUERY_TR_ID_LEN 2
 844
 845 struct ieee80211_mgmt {
 846         __le16 frame_control;
 847         __le16 duration;
 848         u8 da[6];
 849         u8 sa[6];
 850         u8 bssid[6];
 851         __le16 seq_ctrl;
 852         union {
 853                 struct {
 854                         __le16 auth_alg;
 855                         __le16 auth_transaction;
 856                         __le16 status_code;
 857                         /* possibly followed by Challenge text */
 858                         u8 variable[0];
 859                 } __packed auth;
 860                 struct {
 861                         __le16 reason_code;
 862                 } __packed deauth;
 863                 struct {
 864                         __le16 capab_info;
 865                         __le16 listen_interval;
 866                         /* followed by SSID and Supported rates */
 867                         u8 variable[0];
 868                 } __packed assoc_req;
 869                 struct {
 870                         __le16 capab_info;
 871                         __le16 status_code;
 872                         __le16 aid;
 873                         /* followed by Supported rates */
 874                         u8 variable[0];
 875                 } __packed assoc_resp, reassoc_resp;
 876                 struct {
 877                         __le16 capab_info;
 878                         __le16 listen_interval;
 879                         u8 current_ap[6];
 880                         /* followed by SSID and Supported rates */
 881                         u8 variable[0];
 882                 } __packed reassoc_req;
 883                 struct {
 884                         __le16 reason_code;
 885                 } __packed disassoc;
 886                 struct {
 887                         __le64 timestamp;
 888                         __le16 beacon_int;
 889                         __le16 capab_info;
 890                         /* followed by some of SSID, Supported rates,
 891                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 892                         u8 variable[0];
 893                 } __packed beacon;
 894                 struct {
 895                         /* only variable items: SSID, Supported rates */
 896                         u8 variable[0];
 897                 } __packed probe_req;
 898                 struct {
 899                         __le64 timestamp;
 900                         __le16 beacon_int;
 901                         __le16 capab_info;
 902                         /* followed by some of SSID, Supported rates,
 903                          * FH Params, DS Params, CF Params, IBSS Params */
 904                         u8 variable[0];
 905                 } __packed probe_resp;
 906                 struct {
 907                         u8 category;
 908                         union {
 909                                 struct {
 910                                         u8 action_code;
 911                                         u8 dialog_token;
 912                                         u8 status_code;
 913                                         u8 variable[0];
 914                                 } __packed wme_action;
 915                                 struct{
 916                                         u8 action_code;
 917                                         u8 variable[0];
 918                                 } __packed chan_switch;
 919                                 struct{
 920                                         u8 action_code;
 921                                         struct ieee80211_ext_chansw_ie data;
 922                                         u8 variable[0];
 923                                 } __packed ext_chan_switch;
 924                                 struct{
 925                                         u8 action_code;
 926                                         u8 dialog_token;
 927                                         u8 element_id;
 928                                         u8 length;
 929                                         struct ieee80211_msrment_ie msr_elem;
 930                                 } __packed measurement;
 931                                 struct{
 932                                         u8 action_code;
 933                                         u8 dialog_token;
 934                                         __le16 capab;
 935                                         __le16 timeout;
 936                                         __le16 start_seq_num;
 937                                 } __packed addba_req;
 938                                 struct{
 939                                         u8 action_code;
 940                                         u8 dialog_token;
 941                                         __le16 status;
 942                                         __le16 capab;
 943                                         __le16 timeout;
 944                                 } __packed addba_resp;
 945                                 struct{
 946                                         u8 action_code;
 947                                         __le16 params;
 948                                         __le16 reason_code;
 949                                 } __packed delba;
 950                                 struct {
 951                                         u8 action_code;
 952                                         u8 variable[0];
 953                                 } __packed self_prot;
 954                                 struct{
 955                                         u8 action_code;
 956                                         u8 variable[0];
 957                                 } __packed mesh_action;
 958                                 struct {
 959                                         u8 action;
 960                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 961                                 } __packed sa_query;
 962                                 struct {
 963                                         u8 action;
 964                                         u8 smps_control;
 965                                 } __packed ht_smps;
 966                                 struct {
 967                                         u8 action_code;
 968                                         u8 chanwidth;
 969                                 } __packed ht_notify_cw;
 970                                 struct {
 971                                         u8 action_code;
 972                                         u8 dialog_token;
 973                                         __le16 capability;
 974                                         u8 variable[0];
 975                                 } __packed tdls_discover_resp;
 976                                 struct {
 977                                         u8 action_code;
 978                                         u8 operating_mode;
 979                                 } __packed vht_opmode_notif;
 980                         } u;
 981                 } __packed action;
 982         } u;
 983 } __packed __aligned(2);
 984
 985 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 986 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
 987
 988 /* mgmt header + 1 byte category code */
 989 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 990
 991
 992 /* Management MIC information element (IEEE 802.11w) */
 993 struct ieee80211_mmie {
 994         u8 element_id;
 995         u8 length;
 996         __le16 key_id;
 997         u8 sequence_number[6];
 998         u8 mic[8];
 999 } __packed;
1000
1001 struct ieee80211_vendor_ie {
1002         u8 element_id;
1003         u8 len;
1004         u8 oui[3];
1005         u8 oui_type;
1006 } __packed;
1007
1008 struct ieee80211_wmm_ac_param {
1009         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1010         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1011         __le16 txop_limit;
1012 } __packed;
1013
1014 struct ieee80211_wmm_param_ie {
1015         u8 element_id; /* Element ID: 221 (0xdd); */
1016         u8 len; /* Length: 24 */
1017         /* required fields for WMM version 1 */
1018         u8 oui[3]; /* 00:50:f2 */
1019         u8 oui_type; /* 2 */
1020         u8 oui_subtype; /* 1 */
1021         u8 version; /* 1 for WMM version 1.0 */
1022         u8 qos_info; /* AP/STA specific QoS info */
1023         u8 reserved; /* 0 */
1024         /* AC_BE, AC_BK, AC_VI, AC_VO */
1025         struct ieee80211_wmm_ac_param ac[4];
1026 } __packed;
1027
1028 /* Control frames */
1029 struct ieee80211_rts {
1030         __le16 frame_control;
1031         __le16 duration;
1032         u8 ra[6];
1033         u8 ta[6];
1034 } __packed __aligned(2);
1035
1036 struct ieee80211_cts {
1037         __le16 frame_control;
1038         __le16 duration;
1039         u8 ra[6];
1040 } __packed __aligned(2);
1041
1042 struct ieee80211_pspoll {
1043         __le16 frame_control;
1044         __le16 aid;
1045         u8 bssid[6];
1046         u8 ta[6];
1047 } __packed __aligned(2);
1048
1049 /* TDLS */
1050
1051 /* Link-id information element */
1052 struct ieee80211_tdls_lnkie {
1053         u8 ie_type; /* Link Identifier IE */
1054         u8 ie_len;
1055         u8 bssid[6];
1056         u8 init_sta[6];
1057         u8 resp_sta[6];
1058 } __packed;
1059
1060 struct ieee80211_tdls_data {
1061         u8 da[6];
1062         u8 sa[6];
1063         __be16 ether_type;
1064         u8 payload_type;
1065         u8 category;
1066         u8 action_code;
1067         union {
1068                 struct {
1069                         u8 dialog_token;
1070                         __le16 capability;
1071                         u8 variable[0];
1072                 } __packed setup_req;
1073                 struct {
1074                         __le16 status_code;
1075                         u8 dialog_token;
1076                         __le16 capability;
1077                         u8 variable[0];
1078                 } __packed setup_resp;
1079                 struct {
1080                         __le16 status_code;
1081                         u8 dialog_token;
1082                         u8 variable[0];
1083                 } __packed setup_cfm;
1084                 struct {
1085                         __le16 reason_code;
1086                         u8 variable[0];
1087                 } __packed teardown;
1088                 struct {
1089                         u8 dialog_token;
1090                         u8 variable[0];
1091                 } __packed discover_req;
1092         } u;
1093 } __packed;
1094
1095 /*
1096  * Peer-to-Peer IE attribute related definitions.
1097  */
1098 /**
1099  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1100  */
1101 enum ieee80211_p2p_attr_id {
1102         IEEE80211_P2P_ATTR_STATUS = 0,
1103         IEEE80211_P2P_ATTR_MINOR_REASON,
1104         IEEE80211_P2P_ATTR_CAPABILITY,
1105         IEEE80211_P2P_ATTR_DEVICE_ID,
1106         IEEE80211_P2P_ATTR_GO_INTENT,
1107         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1108         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1109         IEEE80211_P2P_ATTR_GROUP_BSSID,
1110         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1111         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1112         IEEE80211_P2P_ATTR_MANAGABILITY,
1113         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1114         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1115         IEEE80211_P2P_ATTR_DEVICE_INFO,
1116         IEEE80211_P2P_ATTR_GROUP_INFO,
1117         IEEE80211_P2P_ATTR_GROUP_ID,
1118         IEEE80211_P2P_ATTR_INTERFACE,
1119         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1120         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1121         /* 19 - 220: Reserved */
1122         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1123
1124         IEEE80211_P2P_ATTR_MAX
1125 };
1126
1127 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1128 /* Typical max value used here */
1129 #define IEEE80211_P2P_NOA_DESC_MAX      4
1130
1131 struct ieee80211_p2p_noa_desc {
1132         u8 count;
1133         __le32 duration;
1134         __le32 interval;
1135         __le32 start_time;
1136 } __packed;
1137
1138 struct ieee80211_p2p_noa_attr {
1139         u8 index;
1140         u8 oppps_ctwindow;
1141         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1142 } __packed;
1143
1144 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1145 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1146
1147 /**
1148  * struct ieee80211_bar - HT Block Ack Request
1149  *
1150  * This structure refers to "HT BlockAckReq" as
1151  * described in 802.11n draft section 7.2.1.7.1
1152  */
1153 struct ieee80211_bar {
1154         __le16 frame_control;
1155         __le16 duration;
1156         __u8 ra[6];
1157         __u8 ta[6];
1158         __le16 control;
1159         __le16 start_seq_num;
1160 } __packed __aligned(4);
1161
1162 /* 802.11 BA(R) control masks */
1163 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1164 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1165 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1166 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1167 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1168
1169 /**
1170  * struct ieee80211_ba - HT Block Ack
1171  *
1172  * This structure refers to "HT BlockAck" as
1173  * described in 802.11n draft section 7.2.1.8.1
1174  */
1175 struct ieee80211_ba {
1176         __le16 frame_control;
1177         __le16 duration;
1178         u8 ra[6];
1179         u8 ta[6];
1180         __le16 control;
1181
1182         __le16 start_seq_num;
1183         u8 bitmap[8];
1184 } __packed;
1185
1186 #define IEEE80211_HT_MCS_MASK_LEN               10
1187
1188 /**
1189  * struct ieee80211_mcs_info - MCS information
1190  * @rx_mask: RX mask
1191  * @rx_highest: highest supported RX rate. If set represents
1192  *      the highest supported RX data rate in units of 1 Mbps.
1193  *      If this field is 0 this value should not be used to
1194  *      consider the highest RX data rate supported.
1195  * @tx_params: TX parameters
1196  */
1197 struct ieee80211_mcs_info {
1198         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1199         __le16 rx_highest;
1200         u8 tx_params;
1201         u8 reserved[3];
1202 } __packed;
1203
1204 /* 802.11n HT capability MSC set */
1205 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1206 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1207 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1208 /* value 0 == 1 stream etc */
1209 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1210 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1211 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1212 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1213
1214 /*
1215  * 802.11n D5.0 20.3.5 / 20.6 says:
1216  * - indices 0 to 7 and 32 are single spatial stream
1217  * - 8 to 31 are multiple spatial streams using equal modulation
1218  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1219  * - remainder are multiple spatial streams using unequal modulation
1220  */
1221 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1222 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1223         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1224
1225 /**
1226  * struct ieee80211_ht_cap - HT capabilities
1227  *
1228  * This structure is the "HT capabilities element" as
1229  * described in 802.11n D5.0 7.3.2.57
1230  */
1231 struct ieee80211_ht_cap {
1232         __le16 cap_info;
1233         u8 ampdu_params_info;
1234
1235         /* 16 bytes MCS information */
1236         struct ieee80211_mcs_info mcs;
1237
1238         __le16 extended_ht_cap_info;
1239         __le32 tx_BF_cap_info;
1240         u8 antenna_selection_info;
1241 } __packed;
1242
1243 /* 802.11n HT capabilities masks (for cap_info) */
1244 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1245 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1246 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1247 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1248 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1249 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1250 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1251 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1252 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1253 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1254 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1255 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1256 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1257 #define IEEE80211_HT_CAP_RESERVED               0x2000
1258 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1259 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1260
1261 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1262 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1263 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1264 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1265 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1266 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1267 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1268 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1269
1270 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1271 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1272 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1273 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1274
1275 /*
1276  * Maximum length of AMPDU that the STA can receive.
1277  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1278  */
1279 enum ieee80211_max_ampdu_length_exp {
1280         IEEE80211_HT_MAX_AMPDU_8K = 0,
1281         IEEE80211_HT_MAX_AMPDU_16K = 1,
1282         IEEE80211_HT_MAX_AMPDU_32K = 2,
1283         IEEE80211_HT_MAX_AMPDU_64K = 3
1284 };
1285
1286 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1287
1288 /* Minimum MPDU start spacing */
1289 enum ieee80211_min_mpdu_spacing {
1290         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1291         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1292         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1293         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1294         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1295         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1296         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1297         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1298 };
1299
1300 /**
1301  * struct ieee80211_ht_operation - HT operation IE
1302  *
1303  * This structure is the "HT operation element" as
1304  * described in 802.11n-2009 7.3.2.57
1305  */
1306 struct ieee80211_ht_operation {
1307         u8 primary_chan;
1308         u8 ht_param;
1309         __le16 operation_mode;
1310         __le16 stbc_param;
1311         u8 basic_set[16];
1312 } __packed;
1313
1314 /* for ht_param */
1315 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1316 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1317 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1318 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1319 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1320 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1321
1322 /* for operation_mode */
1323 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1324 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1325 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1326 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1327 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1328 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1329 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1330
1331 /* for stbc_param */
1332 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1333 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1334 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1335 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1336 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1337 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1338
1339
1340 /* block-ack parameters */
1341 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1342 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1343 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1344 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1345 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1346
1347 /*
1348  * A-PMDU buffer sizes
1349  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1350  */
1351 #define IEEE80211_MIN_AMPDU_BUF 0x8
1352 #define IEEE80211_MAX_AMPDU_BUF 0x40
1353
1354
1355 /* Spatial Multiplexing Power Save Modes (for capability) */
1356 #define WLAN_HT_CAP_SM_PS_STATIC        0
1357 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1358 #define WLAN_HT_CAP_SM_PS_INVALID       2
1359 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1360
1361 /* for SM power control field lower two bits */
1362 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1363 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1364 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1365
1366 /**
1367  * struct ieee80211_vht_mcs_info - VHT MCS information
1368  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1369  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1370  *      STA can receive. Rate expressed in units of 1 Mbps.
1371  *      If this field is 0 this value should not be used to
1372  *      consider the highest RX data rate supported.
1373  *      The top 3 bits of this field are reserved.
1374  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1375  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1376  *      STA can transmit. Rate expressed in units of 1 Mbps.
1377  *      If this field is 0 this value should not be used to
1378  *      consider the highest TX data rate supported.
1379  *      The top 3 bits of this field are reserved.
1380  */
1381 struct ieee80211_vht_mcs_info {
1382         __le16 rx_mcs_map;
1383         __le16 rx_highest;
1384         __le16 tx_mcs_map;
1385         __le16 tx_highest;
1386 } __packed;
1387
1388 /**
1389  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1390  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1391  *      number of streams
1392  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1393  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1394  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1395  *
1396  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1397  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1398  * both split into 8 subfields by number of streams. These values indicate
1399  * which MCSes are supported for the number of streams the value appears
1400  * for.
1401  */
1402 enum ieee80211_vht_mcs_support {
1403         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1404         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1405         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1406         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1407 };
1408
1409 /**
1410  * struct ieee80211_vht_cap - VHT capabilities
1411  *
1412  * This structure is the "VHT capabilities element" as
1413  * described in 802.11ac D3.0 8.4.2.160
1414  * @vht_cap_info: VHT capability info
1415  * @supp_mcs: VHT MCS supported rates
1416  */
1417 struct ieee80211_vht_cap {
1418         __le32 vht_cap_info;
1419         struct ieee80211_vht_mcs_info supp_mcs;
1420 } __packed;
1421
1422 /**
1423  * enum ieee80211_vht_chanwidth - VHT channel width
1424  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1425  *      determine the channel width (20 or 40 MHz)
1426  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1427  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1428  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1429  */
1430 enum ieee80211_vht_chanwidth {
1431         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1432         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1433         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1434         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1435 };
1436
1437 /**
1438  * struct ieee80211_vht_operation - VHT operation IE
1439  *
1440  * This structure is the "VHT operation element" as
1441  * described in 802.11ac D3.0 8.4.2.161
1442  * @chan_width: Operating channel width
1443  * @center_freq_seg1_idx: center freq segment 1 index
1444  * @center_freq_seg2_idx: center freq segment 2 index
1445  * @basic_mcs_set: VHT Basic MCS rate set
1446  */
1447 struct ieee80211_vht_operation {
1448         u8 chan_width;
1449         u8 center_freq_seg1_idx;
1450         u8 center_freq_seg2_idx;
1451         __le16 basic_mcs_set;
1452 } __packed;
1453
1454
1455 /* 802.11ac VHT Capabilities */
1456 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1457 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1458 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1459 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1460 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1461 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1462 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1463 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1464 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1465 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1466 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1467 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1468 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1469 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1470 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1471 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1472 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1473 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1474                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1475 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1476 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1477                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1478 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1479 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1480 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1481 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1482 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1483 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1484                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1485 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1486 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1487 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1488 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1489
1490 /* Authentication algorithms */
1491 #define WLAN_AUTH_OPEN 0
1492 #define WLAN_AUTH_SHARED_KEY 1
1493 #define WLAN_AUTH_FT 2
1494 #define WLAN_AUTH_SAE 3
1495 #define WLAN_AUTH_LEAP 128
1496
1497 #define WLAN_AUTH_CHALLENGE_LEN 128
1498
1499 #define WLAN_CAPABILITY_ESS             (1<<0)
1500 #define WLAN_CAPABILITY_IBSS            (1<<1)
1501
1502 /*
1503  * A mesh STA sets the ESS and IBSS capability bits to zero.
1504  * however, this holds true for p2p probe responses (in the p2p_find
1505  * phase) as well.
1506  */
1507 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1508         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1509
1510 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1511 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1512 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1513 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1514 #define WLAN_CAPABILITY_PBCC            (1<<6)
1515 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1516
1517 /* 802.11h */
1518 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1519 #define WLAN_CAPABILITY_QOS             (1<<9)
1520 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1521 #define WLAN_CAPABILITY_APSD            (1<<11)
1522 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1523 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1524 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1525 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1526
1527 /* DMG (60gHz) 802.11ad */
1528 /* type - bits 0..1 */
1529 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1530 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1531 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1532 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1533
1534 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1535 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1536 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1537 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1538
1539 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1540 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1541
1542 /* measurement */
1543 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1544 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1545 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1546
1547 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1548 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1549 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1550
1551 /* 802.11g ERP information element */
1552 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1553 #define WLAN_ERP_USE_PROTECTION (1<<1)
1554 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1555
1556 /* WLAN_ERP_BARKER_PREAMBLE values */
1557 enum {
1558         WLAN_ERP_PREAMBLE_SHORT = 0,
1559         WLAN_ERP_PREAMBLE_LONG = 1,
1560 };
1561
1562 /* Band ID, 802.11ad #8.4.1.45 */
1563 enum {
1564         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1565         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1566         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1567         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1568         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1569         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1570 };
1571
1572 /* Status codes */
1573 enum ieee80211_statuscode {
1574         WLAN_STATUS_SUCCESS = 0,
1575         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1576         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1577         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1578         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1579         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1580         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1581         WLAN_STATUS_CHALLENGE_FAIL = 15,
1582         WLAN_STATUS_AUTH_TIMEOUT = 16,
1583         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1584         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1585         /* 802.11b */
1586         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1587         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1588         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1589         /* 802.11h */
1590         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1591         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1592         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1593         /* 802.11g */
1594         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1595         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1596         /* 802.11w */
1597         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1598         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1599         /* 802.11i */
1600         WLAN_STATUS_INVALID_IE = 40,
1601         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1602         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1603         WLAN_STATUS_INVALID_AKMP = 43,
1604         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1605         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1606         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1607         /* 802.11e */
1608         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1609         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1610         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1611         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1612         WLAN_STATUS_REQUEST_DECLINED = 37,
1613         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1614         WLAN_STATUS_CHANGE_TSPEC = 39,
1615         WLAN_STATUS_WAIT_TS_DELAY = 47,
1616         WLAN_STATUS_NO_DIRECT_LINK = 48,
1617         WLAN_STATUS_STA_NOT_PRESENT = 49,
1618         WLAN_STATUS_STA_NOT_QSTA = 50,
1619         /* 802.11s */
1620         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1621         WLAN_STATUS_FCG_NOT_SUPP = 78,
1622         WLAN_STATUS_STA_NO_TBTT = 78,
1623         /* 802.11ad */
1624         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1625         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1626         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1627         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1628         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1629         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1630         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1631         WLAN_STATUS_REJECT_DSE_BAND = 96,
1632         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1633         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1634 };
1635
1636
1637 /* Reason codes */
1638 enum ieee80211_reasoncode {
1639         WLAN_REASON_UNSPECIFIED = 1,
1640         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1641         WLAN_REASON_DEAUTH_LEAVING = 3,
1642         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1643         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1644         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1645         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1646         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1647         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1648         /* 802.11h */
1649         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1650         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1651         /* 802.11i */
1652         WLAN_REASON_INVALID_IE = 13,
1653         WLAN_REASON_MIC_FAILURE = 14,
1654         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1655         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1656         WLAN_REASON_IE_DIFFERENT = 17,
1657         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1658         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1659         WLAN_REASON_INVALID_AKMP = 20,
1660         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1661         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1662         WLAN_REASON_IEEE8021X_FAILED = 23,
1663         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1664         /* TDLS (802.11z) */
1665         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1666         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1667         /* 802.11e */
1668         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1669         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1670         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1671         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1672         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1673         WLAN_REASON_QSTA_NOT_USE = 37,
1674         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1675         WLAN_REASON_QSTA_TIMEOUT = 39,
1676         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1677         /* 802.11s */
1678         WLAN_REASON_MESH_PEER_CANCELED = 52,
1679         WLAN_REASON_MESH_MAX_PEERS = 53,
1680         WLAN_REASON_MESH_CONFIG = 54,
1681         WLAN_REASON_MESH_CLOSE = 55,
1682         WLAN_REASON_MESH_MAX_RETRIES = 56,
1683         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1684         WLAN_REASON_MESH_INVALID_GTK = 58,
1685         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1686         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1687         WLAN_REASON_MESH_PATH_ERROR = 61,
1688         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1689         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1690         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1691         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1692         WLAN_REASON_MESH_CHAN = 66,
1693 };
1694
1695
1696 /* Information Element IDs */
1697 enum ieee80211_eid {
1698         WLAN_EID_SSID = 0,
1699         WLAN_EID_SUPP_RATES = 1,
1700         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1701         WLAN_EID_DS_PARAMS = 3,
1702         WLAN_EID_CF_PARAMS = 4,
1703         WLAN_EID_TIM = 5,
1704         WLAN_EID_IBSS_PARAMS = 6,
1705         WLAN_EID_COUNTRY = 7,
1706         WLAN_EID_HP_PARAMS = 8,
1707         WLAN_EID_HP_TABLE = 9,
1708         WLAN_EID_REQUEST = 10,
1709         WLAN_EID_QBSS_LOAD = 11,
1710         WLAN_EID_EDCA_PARAM_SET = 12,
1711         WLAN_EID_TSPEC = 13,
1712         WLAN_EID_TCLAS = 14,
1713         WLAN_EID_SCHEDULE = 15,
1714         WLAN_EID_CHALLENGE = 16,
1715         /* 17-31 reserved for challenge text extension */
1716         WLAN_EID_PWR_CONSTRAINT = 32,
1717         WLAN_EID_PWR_CAPABILITY = 33,
1718         WLAN_EID_TPC_REQUEST = 34,
1719         WLAN_EID_TPC_REPORT = 35,
1720         WLAN_EID_SUPPORTED_CHANNELS = 36,
1721         WLAN_EID_CHANNEL_SWITCH = 37,
1722         WLAN_EID_MEASURE_REQUEST = 38,
1723         WLAN_EID_MEASURE_REPORT = 39,
1724         WLAN_EID_QUIET = 40,
1725         WLAN_EID_IBSS_DFS = 41,
1726         WLAN_EID_ERP_INFO = 42,
1727         WLAN_EID_TS_DELAY = 43,
1728         WLAN_EID_TCLAS_PROCESSING = 44,
1729         WLAN_EID_HT_CAPABILITY = 45,
1730         WLAN_EID_QOS_CAPA = 46,
1731         /* 47 reserved for Broadcom */
1732         WLAN_EID_RSN = 48,
1733         WLAN_EID_802_15_COEX = 49,
1734         WLAN_EID_EXT_SUPP_RATES = 50,
1735         WLAN_EID_AP_CHAN_REPORT = 51,
1736         WLAN_EID_NEIGHBOR_REPORT = 52,
1737         WLAN_EID_RCPI = 53,
1738         WLAN_EID_MOBILITY_DOMAIN = 54,
1739         WLAN_EID_FAST_BSS_TRANSITION = 55,
1740         WLAN_EID_TIMEOUT_INTERVAL = 56,
1741         WLAN_EID_RIC_DATA = 57,
1742         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1743         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1744         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1745         WLAN_EID_HT_OPERATION = 61,
1746         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1747         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1748         WLAN_EID_ANTENNA_INFO = 64,
1749         WLAN_EID_RSNI = 65,
1750         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1751         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1752         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1753         WLAN_EID_TIME_ADVERTISEMENT = 69,
1754         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1755         WLAN_EID_MULTIPLE_BSSID = 71,
1756         WLAN_EID_BSS_COEX_2040 = 72,
1757         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1758         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1759         WLAN_EID_RIC_DESCRIPTOR = 75,
1760         WLAN_EID_MMIE = 76,
1761         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1762         WLAN_EID_EVENT_REQUEST = 78,
1763         WLAN_EID_EVENT_REPORT = 79,
1764         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1765         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1766         WLAN_EID_LOCATION_PARAMS = 82,
1767         WLAN_EID_NON_TX_BSSID_CAP =  83,
1768         WLAN_EID_SSID_LIST = 84,
1769         WLAN_EID_MULTI_BSSID_IDX = 85,
1770         WLAN_EID_FMS_DESCRIPTOR = 86,
1771         WLAN_EID_FMS_REQUEST = 87,
1772         WLAN_EID_FMS_RESPONSE = 88,
1773         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1774         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1775         WLAN_EID_TSF_REQUEST = 91,
1776         WLAN_EID_TSF_RESPOSNE = 92,
1777         WLAN_EID_WNM_SLEEP_MODE = 93,
1778         WLAN_EID_TIM_BCAST_REQ = 94,
1779         WLAN_EID_TIM_BCAST_RESP = 95,
1780         WLAN_EID_COLL_IF_REPORT = 96,
1781         WLAN_EID_CHANNEL_USAGE = 97,
1782         WLAN_EID_TIME_ZONE = 98,
1783         WLAN_EID_DMS_REQUEST = 99,
1784         WLAN_EID_DMS_RESPONSE = 100,
1785         WLAN_EID_LINK_ID = 101,
1786         WLAN_EID_WAKEUP_SCHEDUL = 102,
1787         /* 103 reserved */
1788         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1789         WLAN_EID_PTI_CONTROL = 105,
1790         WLAN_EID_PU_BUFFER_STATUS = 106,
1791         WLAN_EID_INTERWORKING = 107,
1792         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1793         WLAN_EID_EXPEDITED_BW_REQ = 109,
1794         WLAN_EID_QOS_MAP_SET = 110,
1795         WLAN_EID_ROAMING_CONSORTIUM = 111,
1796         WLAN_EID_EMERGENCY_ALERT = 112,
1797         WLAN_EID_MESH_CONFIG = 113,
1798         WLAN_EID_MESH_ID = 114,
1799         WLAN_EID_LINK_METRIC_REPORT = 115,
1800         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1801         WLAN_EID_PEER_MGMT = 117,
1802         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1803         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1804         WLAN_EID_BEACON_TIMING = 120,
1805         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1806         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1807         WLAN_EID_MCCAOP_ADVERT = 123,
1808         WLAN_EID_MCCAOP_TEARDOWN = 124,
1809         WLAN_EID_GANN = 125,
1810         WLAN_EID_RANN = 126,
1811         WLAN_EID_EXT_CAPABILITY = 127,
1812         /* 128, 129 reserved for Agere */
1813         WLAN_EID_PREQ = 130,
1814         WLAN_EID_PREP = 131,
1815         WLAN_EID_PERR = 132,
1816         /* 133-136 reserved for Cisco */
1817         WLAN_EID_PXU = 137,
1818         WLAN_EID_PXUC = 138,
1819         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1820         WLAN_EID_MIC = 140,
1821         WLAN_EID_DESTINATION_URI = 141,
1822         WLAN_EID_UAPSD_COEX = 142,
1823         WLAN_EID_WAKEUP_SCHEDULE = 143,
1824         WLAN_EID_EXT_SCHEDULE = 144,
1825         WLAN_EID_STA_AVAILABILITY = 145,
1826         WLAN_EID_DMG_TSPEC = 146,
1827         WLAN_EID_DMG_AT = 147,
1828         WLAN_EID_DMG_CAP = 148,
1829         /* 149-150 reserved for Cisco */
1830         WLAN_EID_DMG_OPERATION = 151,
1831         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1832         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1833         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1834         /* 155-156 reserved for Cisco */
1835         WLAN_EID_AWAKE_WINDOW = 157,
1836         WLAN_EID_MULTI_BAND = 158,
1837         WLAN_EID_ADDBA_EXT = 159,
1838         WLAN_EID_NEXT_PCP_LIST = 160,
1839         WLAN_EID_PCP_HANDOVER = 161,
1840         WLAN_EID_DMG_LINK_MARGIN = 162,
1841         WLAN_EID_SWITCHING_STREAM = 163,
1842         WLAN_EID_SESSION_TRANSITION = 164,
1843         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1844         WLAN_EID_CLUSTER_REPORT = 166,
1845         WLAN_EID_RELAY_CAP = 167,
1846         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1847         WLAN_EID_BEAM_LINK_MAINT = 169,
1848         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1849         WLAN_EID_U_PID = 171,
1850         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1851         /* 173 reserved for Symbol */
1852         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1853         WLAN_EID_QUIET_PERIOD_REQ = 175,
1854         /* 176 reserved for Symbol */
1855         WLAN_EID_QUIET_PERIOD_RESP = 177,
1856         /* 178-179 reserved for Symbol */
1857         /* 180 reserved for ISO/IEC 20011 */
1858         WLAN_EID_EPAC_POLICY = 182,
1859         WLAN_EID_CLISTER_TIME_OFF = 183,
1860         WLAN_EID_INTER_AC_PRIO = 184,
1861         WLAN_EID_SCS_DESCRIPTOR = 185,
1862         WLAN_EID_QLOAD_REPORT = 186,
1863         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1864         WLAN_EID_HL_STREAM_ID = 188,
1865         WLAN_EID_GCR_GROUP_ADDR = 189,
1866         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1867         WLAN_EID_VHT_CAPABILITY = 191,
1868         WLAN_EID_VHT_OPERATION = 192,
1869         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1870         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1871         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1872         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1873         WLAN_EID_AID = 197,
1874         WLAN_EID_QUIET_CHANNEL = 198,
1875         WLAN_EID_OPMODE_NOTIF = 199,
1876
1877         WLAN_EID_VENDOR_SPECIFIC = 221,
1878         WLAN_EID_QOS_PARAMETER = 222,
1879 };
1880
1881 /* Action category code */
1882 enum ieee80211_category {
1883         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1884         WLAN_CATEGORY_QOS = 1,
1885         WLAN_CATEGORY_DLS = 2,
1886         WLAN_CATEGORY_BACK = 3,
1887         WLAN_CATEGORY_PUBLIC = 4,
1888         WLAN_CATEGORY_HT = 7,
1889         WLAN_CATEGORY_SA_QUERY = 8,
1890         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1891         WLAN_CATEGORY_TDLS = 12,
1892         WLAN_CATEGORY_MESH_ACTION = 13,
1893         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1894         WLAN_CATEGORY_SELF_PROTECTED = 15,
1895         WLAN_CATEGORY_DMG = 16,
1896         WLAN_CATEGORY_WMM = 17,
1897         WLAN_CATEGORY_FST = 18,
1898         WLAN_CATEGORY_UNPROT_DMG = 20,
1899         WLAN_CATEGORY_VHT = 21,
1900         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1901         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1902 };
1903
1904 /* SPECTRUM_MGMT action code */
1905 enum ieee80211_spectrum_mgmt_actioncode {
1906         WLAN_ACTION_SPCT_MSR_REQ = 0,
1907         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1908         WLAN_ACTION_SPCT_TPC_REQ = 2,
1909         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1910         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1911 };
1912
1913 /* HT action codes */
1914 enum ieee80211_ht_actioncode {
1915         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1916         WLAN_HT_ACTION_SMPS = 1,
1917         WLAN_HT_ACTION_PSMP = 2,
1918         WLAN_HT_ACTION_PCO_PHASE = 3,
1919         WLAN_HT_ACTION_CSI = 4,
1920         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1921         WLAN_HT_ACTION_COMPRESSED_BF = 6,
1922         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1923 };
1924
1925 /* VHT action codes */
1926 enum ieee80211_vht_actioncode {
1927         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1928         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1929         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1930 };
1931
1932 /* Self Protected Action codes */
1933 enum ieee80211_self_protected_actioncode {
1934         WLAN_SP_RESERVED = 0,
1935         WLAN_SP_MESH_PEERING_OPEN = 1,
1936         WLAN_SP_MESH_PEERING_CONFIRM = 2,
1937         WLAN_SP_MESH_PEERING_CLOSE = 3,
1938         WLAN_SP_MGK_INFORM = 4,
1939         WLAN_SP_MGK_ACK = 5,
1940 };
1941
1942 /* Mesh action codes */
1943 enum ieee80211_mesh_actioncode {
1944         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1945         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1946         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1947         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1948         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1949         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1950         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1951         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1952         WLAN_MESH_ACTION_MCCA_TEARDOWN,
1953         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1954         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1955 };
1956
1957 /* Security key length */
1958 enum ieee80211_key_len {
1959         WLAN_KEY_LEN_WEP40 = 5,
1960         WLAN_KEY_LEN_WEP104 = 13,
1961         WLAN_KEY_LEN_CCMP = 16,
1962         WLAN_KEY_LEN_TKIP = 32,
1963         WLAN_KEY_LEN_AES_CMAC = 16,
1964         WLAN_KEY_LEN_SMS4 = 32,
1965 };
1966
1967 #define IEEE80211_WEP_IV_LEN            4
1968 #define IEEE80211_WEP_ICV_LEN           4
1969 #define IEEE80211_CCMP_HDR_LEN          8
1970 #define IEEE80211_CCMP_MIC_LEN          8
1971 #define IEEE80211_CCMP_PN_LEN           6
1972 #define IEEE80211_TKIP_IV_LEN           8
1973 #define IEEE80211_TKIP_ICV_LEN          4
1974 #define IEEE80211_CMAC_PN_LEN           6
1975
1976 /* Public action codes */
1977 enum ieee80211_pub_actioncode {
1978         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1979         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1980 };
1981
1982 /* TDLS action codes */
1983 enum ieee80211_tdls_actioncode {
1984         WLAN_TDLS_SETUP_REQUEST = 0,
1985         WLAN_TDLS_SETUP_RESPONSE = 1,
1986         WLAN_TDLS_SETUP_CONFIRM = 2,
1987         WLAN_TDLS_TEARDOWN = 3,
1988         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1989         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1990         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1991         WLAN_TDLS_PEER_PSM_REQUEST = 7,
1992         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1993         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1994         WLAN_TDLS_DISCOVERY_REQUEST = 10,
1995 };
1996
1997 /* Interworking capabilities are set in 7th bit of 4th byte of the
1998  * @WLAN_EID_EXT_CAPABILITY information element
1999  */
2000 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2001
2002 /*
2003  * TDLS capabililites to be enabled in the 5th byte of the
2004  * @WLAN_EID_EXT_CAPABILITY information element
2005  */
2006 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2007 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2008
2009 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2010 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(7)
2011
2012 /* TDLS specific payload type in the LLC/SNAP header */
2013 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2014
2015 /**
2016  * enum - mesh synchronization method identifier
2017  *
2018  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2019  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2020  *      that will be specified in a vendor specific information element
2021  */
2022 enum {
2023         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2024         IEEE80211_SYNC_METHOD_VENDOR = 255,
2025 };
2026
2027 /**
2028  * enum - mesh path selection protocol identifier
2029  *
2030  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2031  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2032  *      be specified in a vendor specific information element
2033  */
2034 enum {
2035         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2036         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2037 };
2038
2039 /**
2040  * enum - mesh path selection metric identifier
2041  *
2042  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2043  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2044  *      specified in a vendor specific information element
2045  */
2046 enum {
2047         IEEE80211_PATH_METRIC_AIRTIME = 1,
2048         IEEE80211_PATH_METRIC_VENDOR = 255,
2049 };
2050
2051 /**
2052  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2053  *
2054  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2055  *
2056  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2057  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2058  *      this value
2059  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2060  *      the proactive PREQ with proactive PREP subfield set to 0
2061  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2062  *      supports the proactive PREQ with proactive PREP subfield set to 1
2063  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2064  *      the proactive RANN
2065  */
2066 enum ieee80211_root_mode_identifier {
2067         IEEE80211_ROOTMODE_NO_ROOT = 0,
2068         IEEE80211_ROOTMODE_ROOT = 1,
2069         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2070         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2071         IEEE80211_PROACTIVE_RANN = 4,
2072 };
2073
2074 /*
2075  * IEEE 802.11-2007 7.3.2.9 Country information element
2076  *
2077  * Minimum length is 8 octets, ie len must be evenly
2078  * divisible by 2
2079  */
2080
2081 /* Although the spec says 8 I'm seeing 6 in practice */
2082 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2083
2084 /* The Country String field of the element shall be 3 octets in length */
2085 #define IEEE80211_COUNTRY_STRING_LEN    3
2086
2087 /*
2088  * For regulatory extension stuff see IEEE 802.11-2007
2089  * Annex I (page 1141) and Annex J (page 1147). Also
2090  * review 7.3.2.9.
2091  *
2092  * When dot11RegulatoryClassesRequired is true and the
2093  * first_channel/reg_extension_id is >= 201 then the IE
2094  * compromises of the 'ext' struct represented below:
2095  *
2096  *  - Regulatory extension ID - when generating IE this just needs
2097  *    to be monotonically increasing for each triplet passed in
2098  *    the IE
2099  *  - Regulatory class - index into set of rules
2100  *  - Coverage class - index into air propagation time (Table 7-27),
2101  *    in microseconds, you can compute the air propagation time from
2102  *    the index by multiplying by 3, so index 10 yields a propagation
2103  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2104  *    yet. A value of 0 inicates air propagation of <= 1 us.
2105  *
2106  *  See also Table I.2 for Emission limit sets and table
2107  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2108  *  a reg_class to an emission limit set and behavior limit set.
2109  */
2110 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2111
2112 /*
2113  *  Channels numbers in the IE must be monotonically increasing
2114  *  if dot11RegulatoryClassesRequired is not true.
2115  *
2116  *  If dot11RegulatoryClassesRequired is true consecutive
2117  *  subband triplets following a regulatory triplet shall
2118  *  have monotonically increasing first_channel number fields.
2119  *
2120  *  Channel numbers shall not overlap.
2121  *
2122  *  Note that max_power is signed.
2123  */
2124 struct ieee80211_country_ie_triplet {
2125         union {
2126                 struct {
2127                         u8 first_channel;
2128                         u8 num_channels;
2129                         s8 max_power;
2130                 } __packed chans;
2131                 struct {
2132                         u8 reg_extension_id;
2133                         u8 reg_class;
2134                         u8 coverage_class;
2135                 } __packed ext;
2136         };
2137 } __packed;
2138
2139 enum ieee80211_timeout_interval_type {
2140         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2141         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2142         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2143 };
2144
2145 /**
2146  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2147  * @type: type, see &enum ieee80211_timeout_interval_type
2148  * @value: timeout interval value
2149  */
2150 struct ieee80211_timeout_interval_ie {
2151         u8 type;
2152         __le32 value;
2153 } __packed;
2154
2155 /* BACK action code */
2156 enum ieee80211_back_actioncode {
2157         WLAN_ACTION_ADDBA_REQ = 0,
2158         WLAN_ACTION_ADDBA_RESP = 1,
2159         WLAN_ACTION_DELBA = 2,
2160 };
2161
2162 /* BACK (block-ack) parties */
2163 enum ieee80211_back_parties {
2164         WLAN_BACK_RECIPIENT = 0,
2165         WLAN_BACK_INITIATOR = 1,
2166 };
2167
2168 /* SA Query action */
2169 enum ieee80211_sa_query_action {
2170         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2171         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2172 };
2173
2174
2175 /* cipher suite selectors */
2176 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2177 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2178 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2179 /* reserved:                            0x000FAC03 */
2180 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2181 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2182 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2183 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2184
2185 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2186
2187 /* AKM suite selectors */
2188 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2189 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2190 #define WLAN_AKM_SUITE_SAE                      0x000FAC08
2191 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2192
2193 #define WLAN_MAX_KEY_LEN                32
2194
2195 #define WLAN_PMKID_LEN                  16
2196
2197 #define WLAN_OUI_WFA                    0x506f9a
2198 #define WLAN_OUI_TYPE_WFA_P2P           9
2199 #define WLAN_OUI_MICROSOFT              0x0050f2
2200 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2201 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2202 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2203
2204 /*
2205  * WMM/802.11e Tspec Element
2206  */
2207 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2208 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2209
2210 enum ieee80211_tspec_status_code {
2211         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2212         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2213 };
2214
2215 struct ieee80211_tspec_ie {
2216         u8 element_id;
2217         u8 len;
2218         u8 oui[3];
2219         u8 oui_type;
2220         u8 oui_subtype;
2221         u8 version;
2222         __le16 tsinfo;
2223         u8 tsinfo_resvd;
2224         __le16 nominal_msdu;
2225         __le16 max_msdu;
2226         __le32 min_service_int;
2227         __le32 max_service_int;
2228         __le32 inactivity_int;
2229         __le32 suspension_int;
2230         __le32 service_start_time;
2231         __le32 min_data_rate;
2232         __le32 mean_data_rate;
2233         __le32 peak_data_rate;
2234         __le32 max_burst_size;
2235         __le32 delay_bound;
2236         __le32 min_phy_rate;
2237         __le16 sba;
2238         __le16 medium_time;
2239 } __packed;
2240
2241 /**
2242  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2243  * @hdr: the frame
2244  *
2245  * The qos ctrl bytes come after the frame_control, duration, seq_num
2246  * and 3 or 4 addresses of length ETH_ALEN.
2247  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2248  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2249  */
2250 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2251 {
2252         if (ieee80211_has_a4(hdr->frame_control))
2253                 return (u8 *)hdr + 30;
2254         else
2255                 return (u8 *)hdr + 24;
2256 }
2257
2258 /**
2259  * ieee80211_get_SA - get pointer to SA
2260  * @hdr: the frame
2261  *
2262  * Given an 802.11 frame, this function returns the offset
2263  * to the source address (SA). It does not verify that the
2264  * header is long enough to contain the address, and the
2265  * header must be long enough to contain the frame control
2266  * field.
2267  */
2268 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2269 {
2270         if (ieee80211_has_a4(hdr->frame_control))
2271                 return hdr->addr4;
2272         if (ieee80211_has_fromds(hdr->frame_control))
2273                 return hdr->addr3;
2274         return hdr->addr2;
2275 }
2276
2277 /**
2278  * ieee80211_get_DA - get pointer to DA
2279  * @hdr: the frame
2280  *
2281  * Given an 802.11 frame, this function returns the offset
2282  * to the destination address (DA). It does not verify that
2283  * the header is long enough to contain the address, and the
2284  * header must be long enough to contain the frame control
2285  * field.
2286  */
2287 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2288 {
2289         if (ieee80211_has_tods(hdr->frame_control))
2290                 return hdr->addr3;
2291         else
2292                 return hdr->addr1;
2293 }
2294
2295 /**
2296  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2297  * @hdr: the frame (buffer must include at least the first octet of payload)
2298  */
2299 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2300 {
2301         if (ieee80211_is_disassoc(hdr->frame_control) ||
2302             ieee80211_is_deauth(hdr->frame_control))
2303                 return true;
2304
2305         if (ieee80211_is_action(hdr->frame_control)) {
2306                 u8 *category;
2307
2308                 /*
2309                  * Action frames, excluding Public Action frames, are Robust
2310                  * Management Frames. However, if we are looking at a Protected
2311                  * frame, skip the check since the data may be encrypted and
2312                  * the frame has already been found to be a Robust Management
2313                  * Frame (by the other end).
2314                  */
2315                 if (ieee80211_has_protected(hdr->frame_control))
2316                         return true;
2317                 category = ((u8 *) hdr) + 24;
2318                 return *category != WLAN_CATEGORY_PUBLIC &&
2319                         *category != WLAN_CATEGORY_HT &&
2320                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2321                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2322         }
2323
2324         return false;
2325 }
2326
2327 /**
2328  * ieee80211_is_public_action - check if frame is a public action frame
2329  * @hdr: the frame
2330  * @len: length of the frame
2331  */
2332 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2333                                               size_t len)
2334 {
2335         struct ieee80211_mgmt *mgmt = (void *)hdr;
2336
2337         if (len < IEEE80211_MIN_ACTION_SIZE)
2338                 return false;
2339         if (!ieee80211_is_action(hdr->frame_control))
2340                 return false;
2341         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2342 }
2343
2344 /**
2345  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2346  * @tu: the TUs
2347  */
2348 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2349 {
2350         return 1024 * tu;
2351 }
2352
2353 /**
2354  * ieee80211_check_tim - check if AID bit is set in TIM
2355  * @tim: the TIM IE
2356  * @tim_len: length of the TIM IE
2357  * @aid: the AID to look for
2358  */
2359 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2360                                        u8 tim_len, u16 aid)
2361 {
2362         u8 mask;
2363         u8 indexn0, indexn1, indexn2;
2364
2365         if (unlikely(!tim || tim_len < sizeof(*tim)))
2366                 return false;
2367
2368         aid &= 0x3fff;
2369         indexn0 = aid / 8;
2370         mask  = 1 << (aid & 7);
2371
2372         indexn1 = tim->bitmap_ctrl & 0xfe;
2373         indexn2 = tim_len + indexn1 - 4;
2374
2375         if (indexn0 < indexn1 || indexn0 > indexn2)
2376                 return false;
2377
2378         indexn0 -= indexn1;
2379
2380         return !!(tim->virtual_map[indexn0] & mask);
2381 }
2382
2383 /* convert time units */
2384 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
2385 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
2386
2387 #endif /* __LINUX_IEEE80211_H */