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 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 147    6.2.1.1.2.
 148
 149    802.11e clarifies the figure in section 7.1.2. The frame body is
 150    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 151 #define IEEE80211_MAX_DATA_LEN          2304
 152 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 153 #define IEEE80211_MAX_FRAME_LEN         2352
 154
 155 #define IEEE80211_MAX_SSID_LEN          32
 156
 157 #define IEEE80211_MAX_MESH_ID_LEN       32
 158
 159 #define IEEE80211_NUM_TIDS              16
 160
 161 #define IEEE80211_QOS_CTL_LEN           2
 162 /* 1d tag mask */
 163 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 164 /* TID mask */
 165 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 166 /* EOSP */
 167 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 168 /* ACK policy */
 169 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 170 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 171 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 172 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 173 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 174 /* A-MSDU 802.11n */
 175 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 176 /* Mesh Control 802.11s */
 177 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 178
 179 /* U-APSD queue for WMM IEs sent by AP */
 180 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 181 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 182
 183 /* U-APSD queues for WMM IEs sent by STA */
 184 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 185 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 186 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 187 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 188 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 189
 190 /* U-APSD max SP length for WMM IEs sent by STA */
 191 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 192 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 193 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 194 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 195 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 196 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 197
 198 #define IEEE80211_HT_CTL_LEN            4
 199
 200 struct ieee80211_hdr {
 201         __le16 frame_control;
 202         __le16 duration_id;
 203         u8 addr1[6];
 204         u8 addr2[6];
 205         u8 addr3[6];
 206         __le16 seq_ctrl;
 207         u8 addr4[6];
 208 } __packed __aligned(2);
 209
 210 struct ieee80211_hdr_3addr {
 211         __le16 frame_control;
 212         __le16 duration_id;
 213         u8 addr1[6];
 214         u8 addr2[6];
 215         u8 addr3[6];
 216         __le16 seq_ctrl;
 217 } __packed __aligned(2);
 218
 219 struct ieee80211_qos_hdr {
 220         __le16 frame_control;
 221         __le16 duration_id;
 222         u8 addr1[6];
 223         u8 addr2[6];
 224         u8 addr3[6];
 225         __le16 seq_ctrl;
 226         __le16 qos_ctrl;
 227 } __packed __aligned(2);
 228
 229 /**
 230  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 231  * @fc: frame control bytes in little-endian byteorder
 232  */
 233 static inline int ieee80211_has_tods(__le16 fc)
 234 {
 235         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 236 }
 237
 238 /**
 239  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 240  * @fc: frame control bytes in little-endian byteorder
 241  */
 242 static inline int ieee80211_has_fromds(__le16 fc)
 243 {
 244         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 245 }
 246
 247 /**
 248  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 249  * @fc: frame control bytes in little-endian byteorder
 250  */
 251 static inline int ieee80211_has_a4(__le16 fc)
 252 {
 253         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 254         return (fc & tmp) == tmp;
 255 }
 256
 257 /**
 258  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 259  * @fc: frame control bytes in little-endian byteorder
 260  */
 261 static inline int ieee80211_has_morefrags(__le16 fc)
 262 {
 263         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 264 }
 265
 266 /**
 267  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 268  * @fc: frame control bytes in little-endian byteorder
 269  */
 270 static inline int ieee80211_has_retry(__le16 fc)
 271 {
 272         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 273 }
 274
 275 /**
 276  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 277  * @fc: frame control bytes in little-endian byteorder
 278  */
 279 static inline int ieee80211_has_pm(__le16 fc)
 280 {
 281         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 282 }
 283
 284 /**
 285  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 286  * @fc: frame control bytes in little-endian byteorder
 287  */
 288 static inline int ieee80211_has_moredata(__le16 fc)
 289 {
 290         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 291 }
 292
 293 /**
 294  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 295  * @fc: frame control bytes in little-endian byteorder
 296  */
 297 static inline int ieee80211_has_protected(__le16 fc)
 298 {
 299         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 300 }
 301
 302 /**
 303  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 304  * @fc: frame control bytes in little-endian byteorder
 305  */
 306 static inline int ieee80211_has_order(__le16 fc)
 307 {
 308         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 309 }
 310
 311 /**
 312  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 313  * @fc: frame control bytes in little-endian byteorder
 314  */
 315 static inline int ieee80211_is_mgmt(__le16 fc)
 316 {
 317         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 318                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 319 }
 320
 321 /**
 322  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 323  * @fc: frame control bytes in little-endian byteorder
 324  */
 325 static inline int ieee80211_is_ctl(__le16 fc)
 326 {
 327         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 328                cpu_to_le16(IEEE80211_FTYPE_CTL);
 329 }
 330
 331 /**
 332  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 333  * @fc: frame control bytes in little-endian byteorder
 334  */
 335 static inline int ieee80211_is_data(__le16 fc)
 336 {
 337         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 338                cpu_to_le16(IEEE80211_FTYPE_DATA);
 339 }
 340
 341 /**
 342  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 343  * @fc: frame control bytes in little-endian byteorder
 344  */
 345 static inline int ieee80211_is_data_qos(__le16 fc)
 346 {
 347         /*
 348          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 349          * to check the one bit
 350          */
 351         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 352                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 353 }
 354
 355 /**
 356  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 357  * @fc: frame control bytes in little-endian byteorder
 358  */
 359 static inline int ieee80211_is_data_present(__le16 fc)
 360 {
 361         /*
 362          * mask with 0x40 and test that that bit is clear to only return true
 363          * for the data-containing substypes.
 364          */
 365         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 366                cpu_to_le16(IEEE80211_FTYPE_DATA);
 367 }
 368
 369 /**
 370  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 371  * @fc: frame control bytes in little-endian byteorder
 372  */
 373 static inline int ieee80211_is_assoc_req(__le16 fc)
 374 {
 375         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 376                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 377 }
 378
 379 /**
 380  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 381  * @fc: frame control bytes in little-endian byteorder
 382  */
 383 static inline int ieee80211_is_assoc_resp(__le16 fc)
 384 {
 385         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 386                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 387 }
 388
 389 /**
 390  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 391  * @fc: frame control bytes in little-endian byteorder
 392  */
 393 static inline int ieee80211_is_reassoc_req(__le16 fc)
 394 {
 395         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 396                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 397 }
 398
 399 /**
 400  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 401  * @fc: frame control bytes in little-endian byteorder
 402  */
 403 static inline int ieee80211_is_reassoc_resp(__le16 fc)
 404 {
 405         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 406                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 407 }
 408
 409 /**
 410  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 411  * @fc: frame control bytes in little-endian byteorder
 412  */
 413 static inline int ieee80211_is_probe_req(__le16 fc)
 414 {
 415         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 416                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 417 }
 418
 419 /**
 420  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 421  * @fc: frame control bytes in little-endian byteorder
 422  */
 423 static inline int ieee80211_is_probe_resp(__le16 fc)
 424 {
 425         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 426                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 427 }
 428
 429 /**
 430  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 431  * @fc: frame control bytes in little-endian byteorder
 432  */
 433 static inline int ieee80211_is_beacon(__le16 fc)
 434 {
 435         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 436                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 437 }
 438
 439 /**
 440  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 441  * @fc: frame control bytes in little-endian byteorder
 442  */
 443 static inline int ieee80211_is_atim(__le16 fc)
 444 {
 445         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 446                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 447 }
 448
 449 /**
 450  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 451  * @fc: frame control bytes in little-endian byteorder
 452  */
 453 static inline int ieee80211_is_disassoc(__le16 fc)
 454 {
 455         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 456                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 457 }
 458
 459 /**
 460  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 461  * @fc: frame control bytes in little-endian byteorder
 462  */
 463 static inline int ieee80211_is_auth(__le16 fc)
 464 {
 465         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 466                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 467 }
 468
 469 /**
 470  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 471  * @fc: frame control bytes in little-endian byteorder
 472  */
 473 static inline int ieee80211_is_deauth(__le16 fc)
 474 {
 475         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 476                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 477 }
 478
 479 /**
 480  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 481  * @fc: frame control bytes in little-endian byteorder
 482  */
 483 static inline int ieee80211_is_action(__le16 fc)
 484 {
 485         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 486                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 487 }
 488
 489 /**
 490  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 491  * @fc: frame control bytes in little-endian byteorder
 492  */
 493 static inline int ieee80211_is_back_req(__le16 fc)
 494 {
 495         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 496                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 497 }
 498
 499 /**
 500  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 501  * @fc: frame control bytes in little-endian byteorder
 502  */
 503 static inline int ieee80211_is_back(__le16 fc)
 504 {
 505         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 506                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 507 }
 508
 509 /**
 510  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 511  * @fc: frame control bytes in little-endian byteorder
 512  */
 513 static inline int ieee80211_is_pspoll(__le16 fc)
 514 {
 515         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 516                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 517 }
 518
 519 /**
 520  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 521  * @fc: frame control bytes in little-endian byteorder
 522  */
 523 static inline int ieee80211_is_rts(__le16 fc)
 524 {
 525         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 526                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 527 }
 528
 529 /**
 530  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 531  * @fc: frame control bytes in little-endian byteorder
 532  */
 533 static inline int ieee80211_is_cts(__le16 fc)
 534 {
 535         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 536                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 537 }
 538
 539 /**
 540  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 541  * @fc: frame control bytes in little-endian byteorder
 542  */
 543 static inline int ieee80211_is_ack(__le16 fc)
 544 {
 545         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 546                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 547 }
 548
 549 /**
 550  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 551  * @fc: frame control bytes in little-endian byteorder
 552  */
 553 static inline int ieee80211_is_cfend(__le16 fc)
 554 {
 555         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 556                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 557 }
 558
 559 /**
 560  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 561  * @fc: frame control bytes in little-endian byteorder
 562  */
 563 static inline int ieee80211_is_cfendack(__le16 fc)
 564 {
 565         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 566                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 567 }
 568
 569 /**
 570  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 571  * @fc: frame control bytes in little-endian byteorder
 572  */
 573 static inline int ieee80211_is_nullfunc(__le16 fc)
 574 {
 575         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 576                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 577 }
 578
 579 /**
 580  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 581  * @fc: frame control bytes in little-endian byteorder
 582  */
 583 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
 584 {
 585         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 586                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 587 }
 588
 589 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 590 {
 591         unsigned int hdrlen = 24;
 592
 593         if (ieee80211_has_a4(fc))
 594                 hdrlen = 30;
 595
 596         if (ieee80211_is_data_qos(fc)) {
 597                 hdrlen += IEEE80211_QOS_CTL_LEN;
 598                 if (ieee80211_has_order(fc))
 599                         hdrlen += IEEE80211_HT_CTL_LEN;
 600         }
 601
 602         return hdrlen;
 603 }
 604
 605 /**
 606  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 607  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 608  */
 609 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
 610 {
 611         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 612 }
 613
 614 struct ieee80211s_hdr {
 615         u8 flags;
 616         u8 ttl;
 617         __le32 seqnum;
 618         u8 eaddr1[6];
 619         u8 eaddr2[6];
 620 } __packed __aligned(2);
 621
 622 /* Mesh flags */
 623 #define MESH_FLAGS_AE_A4        0x1
 624 #define MESH_FLAGS_AE_A5_A6     0x2
 625 #define MESH_FLAGS_AE           0x3
 626 #define MESH_FLAGS_PS_DEEP      0x4
 627
 628 /**
 629  * enum ieee80211_preq_flags - mesh PREQ element flags
 630  *
 631  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 632  */
 633 enum ieee80211_preq_flags {
 634         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 635 };
 636
 637 /**
 638  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 639  *
 640  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 641  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 642  */
 643 enum ieee80211_preq_target_flags {
 644         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 645         IEEE80211_PREQ_USN_FLAG = 1<<2,
 646 };
 647
 648 /**
 649  * struct ieee80211_quiet_ie
 650  *
 651  * This structure refers to "Quiet information element"
 652  */
 653 struct ieee80211_quiet_ie {
 654         u8 count;
 655         u8 period;
 656         __le16 duration;
 657         __le16 offset;
 658 } __packed;
 659
 660 /**
 661  * struct ieee80211_msrment_ie
 662  *
 663  * This structure refers to "Measurement Request/Report information element"
 664  */
 665 struct ieee80211_msrment_ie {
 666         u8 token;
 667         u8 mode;
 668         u8 type;
 669         u8 request[0];
 670 } __packed;
 671
 672 /**
 673  * struct ieee80211_channel_sw_ie
 674  *
 675  * This structure refers to "Channel Switch Announcement information element"
 676  */
 677 struct ieee80211_channel_sw_ie {
 678         u8 mode;
 679         u8 new_ch_num;
 680         u8 count;
 681 } __packed;
 682
 683 /**
 684  * struct ieee80211_ext_chansw_ie
 685  *
 686  * This structure represents the "Extended Channel Switch Announcement element"
 687  */
 688 struct ieee80211_ext_chansw_ie {
 689         u8 mode;
 690         u8 new_operating_class;
 691         u8 new_ch_num;
 692         u8 count;
 693 } __packed;
 694
 695 /**
 696  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 697  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 698  *      values here
 699  * This structure represents the "Secondary Channel Offset element"
 700  */
 701 struct ieee80211_sec_chan_offs_ie {
 702         u8 sec_chan_offs;
 703 } __packed;
 704
 705 /**
 706  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 707  */
 708 struct ieee80211_wide_bw_chansw_ie {
 709         u8 new_channel_width;
 710         u8 new_center_freq_seg0, new_center_freq_seg1;
 711 } __packed;
 712
 713 /**
 714  * struct ieee80211_tim
 715  *
 716  * This structure refers to "Traffic Indication Map information element"
 717  */
 718 struct ieee80211_tim_ie {
 719         u8 dtim_count;
 720         u8 dtim_period;
 721         u8 bitmap_ctrl;
 722         /* variable size: 1 - 251 bytes */
 723         u8 virtual_map[1];
 724 } __packed;
 725
 726 /**
 727  * struct ieee80211_meshconf_ie
 728  *
 729  * This structure refers to "Mesh Configuration information element"
 730  */
 731 struct ieee80211_meshconf_ie {
 732         u8 meshconf_psel;
 733         u8 meshconf_pmetric;
 734         u8 meshconf_congest;
 735         u8 meshconf_synch;
 736         u8 meshconf_auth;
 737         u8 meshconf_form;
 738         u8 meshconf_cap;
 739 } __packed;
 740
 741 /**
 742  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 743  *
 744  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 745  *      additional mesh peerings with other mesh STAs
 746  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 747  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 748  *      is ongoing
 749  */
 750 enum mesh_config_capab_flags {
 751         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 752         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 753         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 754 };
 755
 756 /**
 757  * struct ieee80211_rann_ie
 758  *
 759  * This structure refers to "Root Announcement information element"
 760  */
 761 struct ieee80211_rann_ie {
 762         u8 rann_flags;
 763         u8 rann_hopcount;
 764         u8 rann_ttl;
 765         u8 rann_addr[6];
 766         __le32 rann_seq;
 767         __le32 rann_interval;
 768         __le32 rann_metric;
 769 } __packed;
 770
 771 enum ieee80211_rann_flags {
 772         RANN_FLAG_IS_GATE = 1 << 0,
 773 };
 774
 775 enum ieee80211_ht_chanwidth_values {
 776         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 777         IEEE80211_HT_CHANWIDTH_ANY = 1,
 778 };
 779
 780 /**
 781  * enum ieee80211_opmode_bits - VHT operating mode field bits
 782  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 783  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 784  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 785  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 786  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 787  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 788  *      (the NSS value is the value of this field + 1)
 789  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 790  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 791  *      using a beamforming steering matrix
 792  */
 793 enum ieee80211_vht_opmode_bits {
 794         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 795         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 796         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 797         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 798         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 799         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 800         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 801         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 802 };
 803
 804 #define WLAN_SA_QUERY_TR_ID_LEN 2
 805
 806 struct ieee80211_mgmt {
 807         __le16 frame_control;
 808         __le16 duration;
 809         u8 da[6];
 810         u8 sa[6];
 811         u8 bssid[6];
 812         __le16 seq_ctrl;
 813         union {
 814                 struct {
 815                         __le16 auth_alg;
 816                         __le16 auth_transaction;
 817                         __le16 status_code;
 818                         /* possibly followed by Challenge text */
 819                         u8 variable[0];
 820                 } __packed auth;
 821                 struct {
 822                         __le16 reason_code;
 823                 } __packed deauth;
 824                 struct {
 825                         __le16 capab_info;
 826                         __le16 listen_interval;
 827                         /* followed by SSID and Supported rates */
 828                         u8 variable[0];
 829                 } __packed assoc_req;
 830                 struct {
 831                         __le16 capab_info;
 832                         __le16 status_code;
 833                         __le16 aid;
 834                         /* followed by Supported rates */
 835                         u8 variable[0];
 836                 } __packed assoc_resp, reassoc_resp;
 837                 struct {
 838                         __le16 capab_info;
 839                         __le16 listen_interval;
 840                         u8 current_ap[6];
 841                         /* followed by SSID and Supported rates */
 842                         u8 variable[0];
 843                 } __packed reassoc_req;
 844                 struct {
 845                         __le16 reason_code;
 846                 } __packed disassoc;
 847                 struct {
 848                         __le64 timestamp;
 849                         __le16 beacon_int;
 850                         __le16 capab_info;
 851                         /* followed by some of SSID, Supported rates,
 852                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 853                         u8 variable[0];
 854                 } __packed beacon;
 855                 struct {
 856                         /* only variable items: SSID, Supported rates */
 857                         u8 variable[0];
 858                 } __packed probe_req;
 859                 struct {
 860                         __le64 timestamp;
 861                         __le16 beacon_int;
 862                         __le16 capab_info;
 863                         /* followed by some of SSID, Supported rates,
 864                          * FH Params, DS Params, CF Params, IBSS Params */
 865                         u8 variable[0];
 866                 } __packed probe_resp;
 867                 struct {
 868                         u8 category;
 869                         union {
 870                                 struct {
 871                                         u8 action_code;
 872                                         u8 dialog_token;
 873                                         u8 status_code;
 874                                         u8 variable[0];
 875                                 } __packed wme_action;
 876                                 struct{
 877                                         u8 action_code;
 878                                         u8 variable[0];
 879                                 } __packed chan_switch;
 880                                 struct{
 881                                         u8 action_code;
 882                                         struct ieee80211_ext_chansw_ie data;
 883                                         u8 variable[0];
 884                                 } __packed ext_chan_switch;
 885                                 struct{
 886                                         u8 action_code;
 887                                         u8 dialog_token;
 888                                         u8 element_id;
 889                                         u8 length;
 890                                         struct ieee80211_msrment_ie msr_elem;
 891                                 } __packed measurement;
 892                                 struct{
 893                                         u8 action_code;
 894                                         u8 dialog_token;
 895                                         __le16 capab;
 896                                         __le16 timeout;
 897                                         __le16 start_seq_num;
 898                                 } __packed addba_req;
 899                                 struct{
 900                                         u8 action_code;
 901                                         u8 dialog_token;
 902                                         __le16 status;
 903                                         __le16 capab;
 904                                         __le16 timeout;
 905                                 } __packed addba_resp;
 906                                 struct{
 907                                         u8 action_code;
 908                                         __le16 params;
 909                                         __le16 reason_code;
 910                                 } __packed delba;
 911                                 struct {
 912                                         u8 action_code;
 913                                         u8 variable[0];
 914                                 } __packed self_prot;
 915                                 struct{
 916                                         u8 action_code;
 917                                         u8 variable[0];
 918                                 } __packed mesh_action;
 919                                 struct {
 920                                         u8 action;
 921                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 922                                 } __packed sa_query;
 923                                 struct {
 924                                         u8 action;
 925                                         u8 smps_control;
 926                                 } __packed ht_smps;
 927                                 struct {
 928                                         u8 action_code;
 929                                         u8 chanwidth;
 930                                 } __packed ht_notify_cw;
 931                                 struct {
 932                                         u8 action_code;
 933                                         u8 dialog_token;
 934                                         __le16 capability;
 935                                         u8 variable[0];
 936                                 } __packed tdls_discover_resp;
 937                                 struct {
 938                                         u8 action_code;
 939                                         u8 operating_mode;
 940                                 } __packed vht_opmode_notif;
 941                         } u;
 942                 } __packed action;
 943         } u;
 944 } __packed __aligned(2);
 945
 946 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 947 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
 948
 949 /* mgmt header + 1 byte category code */
 950 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 951
 952
 953 /* Management MIC information element (IEEE 802.11w) */
 954 struct ieee80211_mmie {
 955         u8 element_id;
 956         u8 length;
 957         __le16 key_id;
 958         u8 sequence_number[6];
 959         u8 mic[8];
 960 } __packed;
 961
 962 struct ieee80211_vendor_ie {
 963         u8 element_id;
 964         u8 len;
 965         u8 oui[3];
 966         u8 oui_type;
 967 } __packed;
 968
 969 /* Control frames */
 970 struct ieee80211_rts {
 971         __le16 frame_control;
 972         __le16 duration;
 973         u8 ra[6];
 974         u8 ta[6];
 975 } __packed __aligned(2);
 976
 977 struct ieee80211_cts {
 978         __le16 frame_control;
 979         __le16 duration;
 980         u8 ra[6];
 981 } __packed __aligned(2);
 982
 983 struct ieee80211_pspoll {
 984         __le16 frame_control;
 985         __le16 aid;
 986         u8 bssid[6];
 987         u8 ta[6];
 988 } __packed __aligned(2);
 989
 990 /* TDLS */
 991
 992 /* Link-id information element */
 993 struct ieee80211_tdls_lnkie {
 994         u8 ie_type; /* Link Identifier IE */
 995         u8 ie_len;
 996         u8 bssid[6];
 997         u8 init_sta[6];
 998         u8 resp_sta[6];
 999 } __packed;
1000
1001 struct ieee80211_tdls_data {
1002         u8 da[6];
1003         u8 sa[6];
1004         __be16 ether_type;
1005         u8 payload_type;
1006         u8 category;
1007         u8 action_code;
1008         union {
1009                 struct {
1010                         u8 dialog_token;
1011                         __le16 capability;
1012                         u8 variable[0];
1013                 } __packed setup_req;
1014                 struct {
1015                         __le16 status_code;
1016                         u8 dialog_token;
1017                         __le16 capability;
1018                         u8 variable[0];
1019                 } __packed setup_resp;
1020                 struct {
1021                         __le16 status_code;
1022                         u8 dialog_token;
1023                         u8 variable[0];
1024                 } __packed setup_cfm;
1025                 struct {
1026                         __le16 reason_code;
1027                         u8 variable[0];
1028                 } __packed teardown;
1029                 struct {
1030                         u8 dialog_token;
1031                         u8 variable[0];
1032                 } __packed discover_req;
1033         } u;
1034 } __packed;
1035
1036 /*
1037  * Peer-to-Peer IE attribute related definitions.
1038  */
1039 /**
1040  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1041  */
1042 enum ieee80211_p2p_attr_id {
1043         IEEE80211_P2P_ATTR_STATUS = 0,
1044         IEEE80211_P2P_ATTR_MINOR_REASON,
1045         IEEE80211_P2P_ATTR_CAPABILITY,
1046         IEEE80211_P2P_ATTR_DEVICE_ID,
1047         IEEE80211_P2P_ATTR_GO_INTENT,
1048         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1049         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1050         IEEE80211_P2P_ATTR_GROUP_BSSID,
1051         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1052         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1053         IEEE80211_P2P_ATTR_MANAGABILITY,
1054         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1055         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1056         IEEE80211_P2P_ATTR_DEVICE_INFO,
1057         IEEE80211_P2P_ATTR_GROUP_INFO,
1058         IEEE80211_P2P_ATTR_GROUP_ID,
1059         IEEE80211_P2P_ATTR_INTERFACE,
1060         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1061         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1062         /* 19 - 220: Reserved */
1063         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1064
1065         IEEE80211_P2P_ATTR_MAX
1066 };
1067
1068 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1069 /* Typical max value used here */
1070 #define IEEE80211_P2P_NOA_DESC_MAX      4
1071
1072 struct ieee80211_p2p_noa_desc {
1073         u8 count;
1074         __le32 duration;
1075         __le32 interval;
1076         __le32 start_time;
1077 } __packed;
1078
1079 struct ieee80211_p2p_noa_attr {
1080         u8 index;
1081         u8 oppps_ctwindow;
1082         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1083 } __packed;
1084
1085 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1086 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1087
1088 /**
1089  * struct ieee80211_bar - HT Block Ack Request
1090  *
1091  * This structure refers to "HT BlockAckReq" as
1092  * described in 802.11n draft section 7.2.1.7.1
1093  */
1094 struct ieee80211_bar {
1095         __le16 frame_control;
1096         __le16 duration;
1097         __u8 ra[6];
1098         __u8 ta[6];
1099         __le16 control;
1100         __le16 start_seq_num;
1101 } __packed __aligned(4);
1102
1103 /* 802.11 BA(R) control masks */
1104 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1105 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1106 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1107 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1108 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1109
1110 /**
1111  * struct ieee80211_ba - HT Block Ack
1112  *
1113  * This structure refers to "HT BlockAck" as
1114  * described in 802.11n draft section 7.2.1.8.1
1115  */
1116 struct ieee80211_ba {
1117         __le16 frame_control;
1118         __le16 duration;
1119         u8 ra[6];
1120         u8 ta[6];
1121         __le16 control;
1122
1123         __le16 start_seq_num;
1124         u8 bitmap[8];
1125 } __packed;
1126
1127 #define IEEE80211_HT_MCS_MASK_LEN               10
1128
1129 /**
1130  * struct ieee80211_mcs_info - MCS information
1131  * @rx_mask: RX mask
1132  * @rx_highest: highest supported RX rate. If set represents
1133  *      the highest supported RX data rate in units of 1 Mbps.
1134  *      If this field is 0 this value should not be used to
1135  *      consider the highest RX data rate supported.
1136  * @tx_params: TX parameters
1137  */
1138 struct ieee80211_mcs_info {
1139         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1140         __le16 rx_highest;
1141         u8 tx_params;
1142         u8 reserved[3];
1143 } __packed;
1144
1145 /* 802.11n HT capability MSC set */
1146 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1147 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1148 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1149 /* value 0 == 1 stream etc */
1150 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1151 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1152 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1153 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1154
1155 /*
1156  * 802.11n D5.0 20.3.5 / 20.6 says:
1157  * - indices 0 to 7 and 32 are single spatial stream
1158  * - 8 to 31 are multiple spatial streams using equal modulation
1159  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1160  * - remainder are multiple spatial streams using unequal modulation
1161  */
1162 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1163 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1164         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1165
1166 /**
1167  * struct ieee80211_ht_cap - HT capabilities
1168  *
1169  * This structure is the "HT capabilities element" as
1170  * described in 802.11n D5.0 7.3.2.57
1171  */
1172 struct ieee80211_ht_cap {
1173         __le16 cap_info;
1174         u8 ampdu_params_info;
1175
1176         /* 16 bytes MCS information */
1177         struct ieee80211_mcs_info mcs;
1178
1179         __le16 extended_ht_cap_info;
1180         __le32 tx_BF_cap_info;
1181         u8 antenna_selection_info;
1182 } __packed;
1183
1184 /* 802.11n HT capabilities masks (for cap_info) */
1185 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1186 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1187 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1188 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1189 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1190 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1191 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1192 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1193 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1194 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1195 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1196 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1197 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1198 #define IEEE80211_HT_CAP_RESERVED               0x2000
1199 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1200 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1201
1202 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1203 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1204 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1205 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1206 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1207 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1208 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1209 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1210
1211 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1212 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1213 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1214 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1215
1216 /*
1217  * Maximum length of AMPDU that the STA can receive.
1218  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1219  */
1220 enum ieee80211_max_ampdu_length_exp {
1221         IEEE80211_HT_MAX_AMPDU_8K = 0,
1222         IEEE80211_HT_MAX_AMPDU_16K = 1,
1223         IEEE80211_HT_MAX_AMPDU_32K = 2,
1224         IEEE80211_HT_MAX_AMPDU_64K = 3
1225 };
1226
1227 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1228
1229 /* Minimum MPDU start spacing */
1230 enum ieee80211_min_mpdu_spacing {
1231         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1232         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1233         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1234         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1235         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1236         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1237         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1238         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1239 };
1240
1241 /**
1242  * struct ieee80211_ht_operation - HT operation IE
1243  *
1244  * This structure is the "HT operation element" as
1245  * described in 802.11n-2009 7.3.2.57
1246  */
1247 struct ieee80211_ht_operation {
1248         u8 primary_chan;
1249         u8 ht_param;
1250         __le16 operation_mode;
1251         __le16 stbc_param;
1252         u8 basic_set[16];
1253 } __packed;
1254
1255 /* for ht_param */
1256 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1257 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1258 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1259 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1260 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1261 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1262
1263 /* for operation_mode */
1264 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1265 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1266 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1267 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1268 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1269 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1270 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1271
1272 /* for stbc_param */
1273 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1274 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1275 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1276 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1277 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1278 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1279
1280
1281 /* block-ack parameters */
1282 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1283 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1284 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1285 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1286 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1287
1288 /*
1289  * A-PMDU buffer sizes
1290  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1291  */
1292 #define IEEE80211_MIN_AMPDU_BUF 0x8
1293 #define IEEE80211_MAX_AMPDU_BUF 0x40
1294
1295
1296 /* Spatial Multiplexing Power Save Modes (for capability) */
1297 #define WLAN_HT_CAP_SM_PS_STATIC        0
1298 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1299 #define WLAN_HT_CAP_SM_PS_INVALID       2
1300 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1301
1302 /* for SM power control field lower two bits */
1303 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1304 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1305 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1306
1307 /**
1308  * struct ieee80211_vht_mcs_info - VHT MCS information
1309  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1310  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1311  *      STA can receive. Rate expressed in units of 1 Mbps.
1312  *      If this field is 0 this value should not be used to
1313  *      consider the highest RX data rate supported.
1314  *      The top 3 bits of this field are reserved.
1315  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1316  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1317  *      STA can transmit. Rate expressed in units of 1 Mbps.
1318  *      If this field is 0 this value should not be used to
1319  *      consider the highest TX data rate supported.
1320  *      The top 3 bits of this field are reserved.
1321  */
1322 struct ieee80211_vht_mcs_info {
1323         __le16 rx_mcs_map;
1324         __le16 rx_highest;
1325         __le16 tx_mcs_map;
1326         __le16 tx_highest;
1327 } __packed;
1328
1329 /**
1330  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1331  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1332  *      number of streams
1333  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1334  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1335  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1336  *
1337  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1338  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1339  * both split into 8 subfields by number of streams. These values indicate
1340  * which MCSes are supported for the number of streams the value appears
1341  * for.
1342  */
1343 enum ieee80211_vht_mcs_support {
1344         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1345         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1346         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1347         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1348 };
1349
1350 /**
1351  * struct ieee80211_vht_cap - VHT capabilities
1352  *
1353  * This structure is the "VHT capabilities element" as
1354  * described in 802.11ac D3.0 8.4.2.160
1355  * @vht_cap_info: VHT capability info
1356  * @supp_mcs: VHT MCS supported rates
1357  */
1358 struct ieee80211_vht_cap {
1359         __le32 vht_cap_info;
1360         struct ieee80211_vht_mcs_info supp_mcs;
1361 } __packed;
1362
1363 /**
1364  * enum ieee80211_vht_chanwidth - VHT channel width
1365  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1366  *      determine the channel width (20 or 40 MHz)
1367  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1368  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1369  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1370  */
1371 enum ieee80211_vht_chanwidth {
1372         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1373         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1374         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1375         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1376 };
1377
1378 /**
1379  * struct ieee80211_vht_operation - VHT operation IE
1380  *
1381  * This structure is the "VHT operation element" as
1382  * described in 802.11ac D3.0 8.4.2.161
1383  * @chan_width: Operating channel width
1384  * @center_freq_seg1_idx: center freq segment 1 index
1385  * @center_freq_seg2_idx: center freq segment 2 index
1386  * @basic_mcs_set: VHT Basic MCS rate set
1387  */
1388 struct ieee80211_vht_operation {
1389         u8 chan_width;
1390         u8 center_freq_seg1_idx;
1391         u8 center_freq_seg2_idx;
1392         __le16 basic_mcs_set;
1393 } __packed;
1394
1395
1396 /* 802.11ac VHT Capabilities */
1397 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1398 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1399 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1400 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1401 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1402 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1403 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1404 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1405 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1406 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1407 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1408 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1409 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1410 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1411 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1412 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1413 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX               0x00006000
1414 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX               0x00030000
1415 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1416 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1417 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1418 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1419 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1420 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1421                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1422 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1423 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1424 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1425 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1426
1427 /* Authentication algorithms */
1428 #define WLAN_AUTH_OPEN 0
1429 #define WLAN_AUTH_SHARED_KEY 1
1430 #define WLAN_AUTH_FT 2
1431 #define WLAN_AUTH_SAE 3
1432 #define WLAN_AUTH_LEAP 128
1433
1434 #define WLAN_AUTH_CHALLENGE_LEN 128
1435
1436 #define WLAN_CAPABILITY_ESS             (1<<0)
1437 #define WLAN_CAPABILITY_IBSS            (1<<1)
1438
1439 /*
1440  * A mesh STA sets the ESS and IBSS capability bits to zero.
1441  * however, this holds true for p2p probe responses (in the p2p_find
1442  * phase) as well.
1443  */
1444 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1445         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1446
1447 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1448 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1449 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1450 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1451 #define WLAN_CAPABILITY_PBCC            (1<<6)
1452 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1453
1454 /* 802.11h */
1455 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1456 #define WLAN_CAPABILITY_QOS             (1<<9)
1457 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1458 #define WLAN_CAPABILITY_APSD            (1<<11)
1459 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1460 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1461 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1462 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1463
1464 /* DMG (60gHz) 802.11ad */
1465 /* type - bits 0..1 */
1466 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1467 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1468 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1469 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1470
1471 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1472 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1473 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1474 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1475
1476 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1477 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1478
1479 /* measurement */
1480 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1481 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1482 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1483
1484 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1485 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1486 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1487
1488 /* 802.11g ERP information element */
1489 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1490 #define WLAN_ERP_USE_PROTECTION (1<<1)
1491 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1492
1493 /* WLAN_ERP_BARKER_PREAMBLE values */
1494 enum {
1495         WLAN_ERP_PREAMBLE_SHORT = 0,
1496         WLAN_ERP_PREAMBLE_LONG = 1,
1497 };
1498
1499 /* Band ID, 802.11ad #8.4.1.45 */
1500 enum {
1501         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1502         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1503         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1504         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1505         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1506         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1507 };
1508
1509 /* Status codes */
1510 enum ieee80211_statuscode {
1511         WLAN_STATUS_SUCCESS = 0,
1512         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1513         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1514         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1515         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1516         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1517         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1518         WLAN_STATUS_CHALLENGE_FAIL = 15,
1519         WLAN_STATUS_AUTH_TIMEOUT = 16,
1520         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1521         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1522         /* 802.11b */
1523         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1524         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1525         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1526         /* 802.11h */
1527         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1528         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1529         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1530         /* 802.11g */
1531         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1532         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1533         /* 802.11w */
1534         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1535         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1536         /* 802.11i */
1537         WLAN_STATUS_INVALID_IE = 40,
1538         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1539         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1540         WLAN_STATUS_INVALID_AKMP = 43,
1541         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1542         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1543         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1544         /* 802.11e */
1545         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1546         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1547         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1548         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1549         WLAN_STATUS_REQUEST_DECLINED = 37,
1550         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1551         WLAN_STATUS_CHANGE_TSPEC = 39,
1552         WLAN_STATUS_WAIT_TS_DELAY = 47,
1553         WLAN_STATUS_NO_DIRECT_LINK = 48,
1554         WLAN_STATUS_STA_NOT_PRESENT = 49,
1555         WLAN_STATUS_STA_NOT_QSTA = 50,
1556         /* 802.11s */
1557         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1558         WLAN_STATUS_FCG_NOT_SUPP = 78,
1559         WLAN_STATUS_STA_NO_TBTT = 78,
1560         /* 802.11ad */
1561         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1562         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1563         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1564         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1565         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1566         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1567         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1568         WLAN_STATUS_REJECT_DSE_BAND = 96,
1569         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1570         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1571 };
1572
1573
1574 /* Reason codes */
1575 enum ieee80211_reasoncode {
1576         WLAN_REASON_UNSPECIFIED = 1,
1577         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1578         WLAN_REASON_DEAUTH_LEAVING = 3,
1579         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1580         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1581         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1582         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1583         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1584         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1585         /* 802.11h */
1586         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1587         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1588         /* 802.11i */
1589         WLAN_REASON_INVALID_IE = 13,
1590         WLAN_REASON_MIC_FAILURE = 14,
1591         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1592         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1593         WLAN_REASON_IE_DIFFERENT = 17,
1594         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1595         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1596         WLAN_REASON_INVALID_AKMP = 20,
1597         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1598         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1599         WLAN_REASON_IEEE8021X_FAILED = 23,
1600         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1601         /* 802.11e */
1602         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1603         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1604         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1605         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1606         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1607         WLAN_REASON_QSTA_NOT_USE = 37,
1608         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1609         WLAN_REASON_QSTA_TIMEOUT = 39,
1610         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1611         /* 802.11s */
1612         WLAN_REASON_MESH_PEER_CANCELED = 52,
1613         WLAN_REASON_MESH_MAX_PEERS = 53,
1614         WLAN_REASON_MESH_CONFIG = 54,
1615         WLAN_REASON_MESH_CLOSE = 55,
1616         WLAN_REASON_MESH_MAX_RETRIES = 56,
1617         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1618         WLAN_REASON_MESH_INVALID_GTK = 58,
1619         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1620         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1621         WLAN_REASON_MESH_PATH_ERROR = 61,
1622         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1623         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1624         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1625         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1626         WLAN_REASON_MESH_CHAN = 66,
1627 };
1628
1629
1630 /* Information Element IDs */
1631 enum ieee80211_eid {
1632         WLAN_EID_SSID = 0,
1633         WLAN_EID_SUPP_RATES = 1,
1634         WLAN_EID_FH_PARAMS = 2,
1635         WLAN_EID_DS_PARAMS = 3,
1636         WLAN_EID_CF_PARAMS = 4,
1637         WLAN_EID_TIM = 5,
1638         WLAN_EID_IBSS_PARAMS = 6,
1639         WLAN_EID_CHALLENGE = 16,
1640
1641         WLAN_EID_COUNTRY = 7,
1642         WLAN_EID_HP_PARAMS = 8,
1643         WLAN_EID_HP_TABLE = 9,
1644         WLAN_EID_REQUEST = 10,
1645
1646         WLAN_EID_QBSS_LOAD = 11,
1647         WLAN_EID_EDCA_PARAM_SET = 12,
1648         WLAN_EID_TSPEC = 13,
1649         WLAN_EID_TCLAS = 14,
1650         WLAN_EID_SCHEDULE = 15,
1651         WLAN_EID_TS_DELAY = 43,
1652         WLAN_EID_TCLAS_PROCESSING = 44,
1653         WLAN_EID_QOS_CAPA = 46,
1654         /* 802.11z */
1655         WLAN_EID_LINK_ID = 101,
1656         /* 802.11s */
1657         WLAN_EID_MESH_CONFIG = 113,
1658         WLAN_EID_MESH_ID = 114,
1659         WLAN_EID_LINK_METRIC_REPORT = 115,
1660         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1661         WLAN_EID_PEER_MGMT = 117,
1662         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1663         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1664         WLAN_EID_BEACON_TIMING = 120,
1665         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1666         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1667         WLAN_EID_MCCAOP_ADVERT = 123,
1668         WLAN_EID_MCCAOP_TEARDOWN = 124,
1669         WLAN_EID_GANN = 125,
1670         WLAN_EID_RANN = 126,
1671         WLAN_EID_PREQ = 130,
1672         WLAN_EID_PREP = 131,
1673         WLAN_EID_PERR = 132,
1674         WLAN_EID_PXU = 137,
1675         WLAN_EID_PXUC = 138,
1676         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1677         WLAN_EID_MIC = 140,
1678
1679         WLAN_EID_PWR_CONSTRAINT = 32,
1680         WLAN_EID_PWR_CAPABILITY = 33,
1681         WLAN_EID_TPC_REQUEST = 34,
1682         WLAN_EID_TPC_REPORT = 35,
1683         WLAN_EID_SUPPORTED_CHANNELS = 36,
1684         WLAN_EID_CHANNEL_SWITCH = 37,
1685         WLAN_EID_MEASURE_REQUEST = 38,
1686         WLAN_EID_MEASURE_REPORT = 39,
1687         WLAN_EID_QUIET = 40,
1688         WLAN_EID_IBSS_DFS = 41,
1689
1690         WLAN_EID_ERP_INFO = 42,
1691         WLAN_EID_EXT_SUPP_RATES = 50,
1692
1693         WLAN_EID_HT_CAPABILITY = 45,
1694         WLAN_EID_HT_OPERATION = 61,
1695         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1696
1697         WLAN_EID_RSN = 48,
1698         WLAN_EID_MMIE = 76,
1699         WLAN_EID_VENDOR_SPECIFIC = 221,
1700         WLAN_EID_QOS_PARAMETER = 222,
1701
1702         WLAN_EID_AP_CHAN_REPORT = 51,
1703         WLAN_EID_NEIGHBOR_REPORT = 52,
1704         WLAN_EID_RCPI = 53,
1705         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1706         WLAN_EID_ANTENNA_INFO = 64,
1707         WLAN_EID_RSNI = 65,
1708         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1709         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1710         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1711         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1712         WLAN_EID_MULTIPLE_BSSID = 71,
1713         WLAN_EID_BSS_COEX_2040 = 72,
1714         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1715         WLAN_EID_EXT_CAPABILITY = 127,
1716
1717         WLAN_EID_MOBILITY_DOMAIN = 54,
1718         WLAN_EID_FAST_BSS_TRANSITION = 55,
1719         WLAN_EID_TIMEOUT_INTERVAL = 56,
1720         WLAN_EID_RIC_DATA = 57,
1721         WLAN_EID_RIC_DESCRIPTOR = 75,
1722
1723         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1724         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1725         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1726
1727         WLAN_EID_VHT_CAPABILITY = 191,
1728         WLAN_EID_VHT_OPERATION = 192,
1729         WLAN_EID_OPMODE_NOTIF = 199,
1730         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1731         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1732
1733         /* 802.11ad */
1734         WLAN_EID_NON_TX_BSSID_CAP =  83,
1735         WLAN_EID_WAKEUP_SCHEDULE = 143,
1736         WLAN_EID_EXT_SCHEDULE = 144,
1737         WLAN_EID_STA_AVAILABILITY = 145,
1738         WLAN_EID_DMG_TSPEC = 146,
1739         WLAN_EID_DMG_AT = 147,
1740         WLAN_EID_DMG_CAP = 148,
1741         WLAN_EID_DMG_OPERATION = 151,
1742         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1743         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1744         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1745         WLAN_EID_AWAKE_WINDOW = 157,
1746         WLAN_EID_MULTI_BAND = 158,
1747         WLAN_EID_ADDBA_EXT = 159,
1748         WLAN_EID_NEXT_PCP_LIST = 160,
1749         WLAN_EID_PCP_HANDOVER = 161,
1750         WLAN_EID_DMG_LINK_MARGIN = 162,
1751         WLAN_EID_SWITCHING_STREAM = 163,
1752         WLAN_EID_SESSION_TRANSITION = 164,
1753         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1754         WLAN_EID_CLUSTER_REPORT = 166,
1755         WLAN_EID_RELAY_CAP = 167,
1756         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1757         WLAN_EID_BEAM_LINK_MAINT = 169,
1758         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1759         WLAN_EID_U_PID = 171,
1760         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1761         WLAN_EID_QUIET_PERIOD_REQ = 175,
1762         WLAN_EID_QUIET_PERIOD_RESP = 177,
1763         WLAN_EID_EPAC_POLICY = 182,
1764         WLAN_EID_CLISTER_TIME_OFF = 183,
1765         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1766 };
1767
1768 /* Action category code */
1769 enum ieee80211_category {
1770         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1771         WLAN_CATEGORY_QOS = 1,
1772         WLAN_CATEGORY_DLS = 2,
1773         WLAN_CATEGORY_BACK = 3,
1774         WLAN_CATEGORY_PUBLIC = 4,
1775         WLAN_CATEGORY_HT = 7,
1776         WLAN_CATEGORY_SA_QUERY = 8,
1777         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1778         WLAN_CATEGORY_TDLS = 12,
1779         WLAN_CATEGORY_MESH_ACTION = 13,
1780         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1781         WLAN_CATEGORY_SELF_PROTECTED = 15,
1782         WLAN_CATEGORY_DMG = 16,
1783         WLAN_CATEGORY_WMM = 17,
1784         WLAN_CATEGORY_FST = 18,
1785         WLAN_CATEGORY_UNPROT_DMG = 20,
1786         WLAN_CATEGORY_VHT = 21,
1787         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1788         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1789 };
1790
1791 /* SPECTRUM_MGMT action code */
1792 enum ieee80211_spectrum_mgmt_actioncode {
1793         WLAN_ACTION_SPCT_MSR_REQ = 0,
1794         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1795         WLAN_ACTION_SPCT_TPC_REQ = 2,
1796         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1797         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1798 };
1799
1800 /* HT action codes */
1801 enum ieee80211_ht_actioncode {
1802         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1803         WLAN_HT_ACTION_SMPS = 1,
1804         WLAN_HT_ACTION_PSMP = 2,
1805         WLAN_HT_ACTION_PCO_PHASE = 3,
1806         WLAN_HT_ACTION_CSI = 4,
1807         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1808         WLAN_HT_ACTION_COMPRESSED_BF = 6,
1809         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1810 };
1811
1812 /* VHT action codes */
1813 enum ieee80211_vht_actioncode {
1814         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1815         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1816         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1817 };
1818
1819 /* Self Protected Action codes */
1820 enum ieee80211_self_protected_actioncode {
1821         WLAN_SP_RESERVED = 0,
1822         WLAN_SP_MESH_PEERING_OPEN = 1,
1823         WLAN_SP_MESH_PEERING_CONFIRM = 2,
1824         WLAN_SP_MESH_PEERING_CLOSE = 3,
1825         WLAN_SP_MGK_INFORM = 4,
1826         WLAN_SP_MGK_ACK = 5,
1827 };
1828
1829 /* Mesh action codes */
1830 enum ieee80211_mesh_actioncode {
1831         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1832         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1833         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1834         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1835         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1836         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1837         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1838         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1839         WLAN_MESH_ACTION_MCCA_TEARDOWN,
1840         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1841         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1842 };
1843
1844 /* Security key length */
1845 enum ieee80211_key_len {
1846         WLAN_KEY_LEN_WEP40 = 5,
1847         WLAN_KEY_LEN_WEP104 = 13,
1848         WLAN_KEY_LEN_CCMP = 16,
1849         WLAN_KEY_LEN_TKIP = 32,
1850         WLAN_KEY_LEN_AES_CMAC = 16,
1851 };
1852
1853 #define IEEE80211_WEP_IV_LEN            4
1854 #define IEEE80211_WEP_ICV_LEN           4
1855 #define IEEE80211_CCMP_HDR_LEN          8
1856 #define IEEE80211_CCMP_MIC_LEN          8
1857 #define IEEE80211_CCMP_PN_LEN           6
1858 #define IEEE80211_TKIP_IV_LEN           8
1859 #define IEEE80211_TKIP_ICV_LEN          4
1860 #define IEEE80211_CMAC_PN_LEN           6
1861
1862 /* Public action codes */
1863 enum ieee80211_pub_actioncode {
1864         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1865         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1866 };
1867
1868 /* TDLS action codes */
1869 enum ieee80211_tdls_actioncode {
1870         WLAN_TDLS_SETUP_REQUEST = 0,
1871         WLAN_TDLS_SETUP_RESPONSE = 1,
1872         WLAN_TDLS_SETUP_CONFIRM = 2,
1873         WLAN_TDLS_TEARDOWN = 3,
1874         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1875         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1876         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1877         WLAN_TDLS_PEER_PSM_REQUEST = 7,
1878         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1879         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1880         WLAN_TDLS_DISCOVERY_REQUEST = 10,
1881 };
1882
1883 /*
1884  * TDLS capabililites to be enabled in the 5th byte of the
1885  * @WLAN_EID_EXT_CAPABILITY information element
1886  */
1887 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
1888 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
1889
1890 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
1891
1892 /* TDLS specific payload type in the LLC/SNAP header */
1893 #define WLAN_TDLS_SNAP_RFTYPE   0x2
1894
1895 /**
1896  * enum - mesh synchronization method identifier
1897  *
1898  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1899  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1900  *      that will be specified in a vendor specific information element
1901  */
1902 enum {
1903         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1904         IEEE80211_SYNC_METHOD_VENDOR = 255,
1905 };
1906
1907 /**
1908  * enum - mesh path selection protocol identifier
1909  *
1910  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1911  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1912  *      be specified in a vendor specific information element
1913  */
1914 enum {
1915         IEEE80211_PATH_PROTOCOL_HWMP = 1,
1916         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1917 };
1918
1919 /**
1920  * enum - mesh path selection metric identifier
1921  *
1922  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1923  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1924  *      specified in a vendor specific information element
1925  */
1926 enum {
1927         IEEE80211_PATH_METRIC_AIRTIME = 1,
1928         IEEE80211_PATH_METRIC_VENDOR = 255,
1929 };
1930
1931 /**
1932  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1933  *
1934  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1935  *
1936  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1937  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1938  *      this value
1939  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1940  *      the proactive PREQ with proactive PREP subfield set to 0
1941  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1942  *      supports the proactive PREQ with proactive PREP subfield set to 1
1943  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1944  *      the proactive RANN
1945  */
1946 enum ieee80211_root_mode_identifier {
1947         IEEE80211_ROOTMODE_NO_ROOT = 0,
1948         IEEE80211_ROOTMODE_ROOT = 1,
1949         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1950         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1951         IEEE80211_PROACTIVE_RANN = 4,
1952 };
1953
1954 /*
1955  * IEEE 802.11-2007 7.3.2.9 Country information element
1956  *
1957  * Minimum length is 8 octets, ie len must be evenly
1958  * divisible by 2
1959  */
1960
1961 /* Although the spec says 8 I'm seeing 6 in practice */
1962 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
1963
1964 /* The Country String field of the element shall be 3 octets in length */
1965 #define IEEE80211_COUNTRY_STRING_LEN    3
1966
1967 /*
1968  * For regulatory extension stuff see IEEE 802.11-2007
1969  * Annex I (page 1141) and Annex J (page 1147). Also
1970  * review 7.3.2.9.
1971  *
1972  * When dot11RegulatoryClassesRequired is true and the
1973  * first_channel/reg_extension_id is >= 201 then the IE
1974  * compromises of the 'ext' struct represented below:
1975  *
1976  *  - Regulatory extension ID - when generating IE this just needs
1977  *    to be monotonically increasing for each triplet passed in
1978  *    the IE
1979  *  - Regulatory class - index into set of rules
1980  *  - Coverage class - index into air propagation time (Table 7-27),
1981  *    in microseconds, you can compute the air propagation time from
1982  *    the index by multiplying by 3, so index 10 yields a propagation
1983  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
1984  *    yet. A value of 0 inicates air propagation of <= 1 us.
1985  *
1986  *  See also Table I.2 for Emission limit sets and table
1987  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
1988  *  a reg_class to an emission limit set and behavior limit set.
1989  */
1990 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1991
1992 /*
1993  *  Channels numbers in the IE must be monotonically increasing
1994  *  if dot11RegulatoryClassesRequired is not true.
1995  *
1996  *  If dot11RegulatoryClassesRequired is true consecutive
1997  *  subband triplets following a regulatory triplet shall
1998  *  have monotonically increasing first_channel number fields.
1999  *
2000  *  Channel numbers shall not overlap.
2001  *
2002  *  Note that max_power is signed.
2003  */
2004 struct ieee80211_country_ie_triplet {
2005         union {
2006                 struct {
2007                         u8 first_channel;
2008                         u8 num_channels;
2009                         s8 max_power;
2010                 } __packed chans;
2011                 struct {
2012                         u8 reg_extension_id;
2013                         u8 reg_class;
2014                         u8 coverage_class;
2015                 } __packed ext;
2016         };
2017 } __packed;
2018
2019 enum ieee80211_timeout_interval_type {
2020         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2021         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2022         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2023 };
2024
2025 /**
2026  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2027  * @type: type, see &enum ieee80211_timeout_interval_type
2028  * @value: timeout interval value
2029  */
2030 struct ieee80211_timeout_interval_ie {
2031         u8 type;
2032         __le32 value;
2033 } __packed;
2034
2035 /* BACK action code */
2036 enum ieee80211_back_actioncode {
2037         WLAN_ACTION_ADDBA_REQ = 0,
2038         WLAN_ACTION_ADDBA_RESP = 1,
2039         WLAN_ACTION_DELBA = 2,
2040 };
2041
2042 /* BACK (block-ack) parties */
2043 enum ieee80211_back_parties {
2044         WLAN_BACK_RECIPIENT = 0,
2045         WLAN_BACK_INITIATOR = 1,
2046 };
2047
2048 /* SA Query action */
2049 enum ieee80211_sa_query_action {
2050         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2051         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2052 };
2053
2054
2055 /* cipher suite selectors */
2056 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2057 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2058 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2059 /* reserved:                            0x000FAC03 */
2060 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2061 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2062 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2063 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2064
2065 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2066
2067 /* AKM suite selectors */
2068 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2069 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2070 #define WLAN_AKM_SUITE_SAE                      0x000FAC08
2071 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2072
2073 #define WLAN_MAX_KEY_LEN                32
2074
2075 #define WLAN_PMKID_LEN                  16
2076
2077 #define WLAN_OUI_WFA                    0x506f9a
2078 #define WLAN_OUI_TYPE_WFA_P2P           9
2079 #define WLAN_OUI_MICROSOFT              0x0050f2
2080 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2081 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2082 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2083
2084 /*
2085  * WMM/802.11e Tspec Element
2086  */
2087 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2088 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2089
2090 enum ieee80211_tspec_status_code {
2091         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2092         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2093 };
2094
2095 struct ieee80211_tspec_ie {
2096         u8 element_id;
2097         u8 len;
2098         u8 oui[3];
2099         u8 oui_type;
2100         u8 oui_subtype;
2101         u8 version;
2102         __le16 tsinfo;
2103         u8 tsinfo_resvd;
2104         __le16 nominal_msdu;
2105         __le16 max_msdu;
2106         __le32 min_service_int;
2107         __le32 max_service_int;
2108         __le32 inactivity_int;
2109         __le32 suspension_int;
2110         __le32 service_start_time;
2111         __le32 min_data_rate;
2112         __le32 mean_data_rate;
2113         __le32 peak_data_rate;
2114         __le32 max_burst_size;
2115         __le32 delay_bound;
2116         __le32 min_phy_rate;
2117         __le16 sba;
2118         __le16 medium_time;
2119 } __packed;
2120
2121 /**
2122  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2123  * @hdr: the frame
2124  *
2125  * The qos ctrl bytes come after the frame_control, duration, seq_num
2126  * and 3 or 4 addresses of length ETH_ALEN.
2127  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2128  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2129  */
2130 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2131 {
2132         if (ieee80211_has_a4(hdr->frame_control))
2133                 return (u8 *)hdr + 30;
2134         else
2135                 return (u8 *)hdr + 24;
2136 }
2137
2138 /**
2139  * ieee80211_get_SA - get pointer to SA
2140  * @hdr: the frame
2141  *
2142  * Given an 802.11 frame, this function returns the offset
2143  * to the source address (SA). It does not verify that the
2144  * header is long enough to contain the address, and the
2145  * header must be long enough to contain the frame control
2146  * field.
2147  */
2148 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2149 {
2150         if (ieee80211_has_a4(hdr->frame_control))
2151                 return hdr->addr4;
2152         if (ieee80211_has_fromds(hdr->frame_control))
2153                 return hdr->addr3;
2154         return hdr->addr2;
2155 }
2156
2157 /**
2158  * ieee80211_get_DA - get pointer to DA
2159  * @hdr: the frame
2160  *
2161  * Given an 802.11 frame, this function returns the offset
2162  * to the destination address (DA). It does not verify that
2163  * the header is long enough to contain the address, and the
2164  * header must be long enough to contain the frame control
2165  * field.
2166  */
2167 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2168 {
2169         if (ieee80211_has_tods(hdr->frame_control))
2170                 return hdr->addr3;
2171         else
2172                 return hdr->addr1;
2173 }
2174
2175 /**
2176  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2177  * @hdr: the frame (buffer must include at least the first octet of payload)
2178  */
2179 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2180 {
2181         if (ieee80211_is_disassoc(hdr->frame_control) ||
2182             ieee80211_is_deauth(hdr->frame_control))
2183                 return true;
2184
2185         if (ieee80211_is_action(hdr->frame_control)) {
2186                 u8 *category;
2187
2188                 /*
2189                  * Action frames, excluding Public Action frames, are Robust
2190                  * Management Frames. However, if we are looking at a Protected
2191                  * frame, skip the check since the data may be encrypted and
2192                  * the frame has already been found to be a Robust Management
2193                  * Frame (by the other end).
2194                  */
2195                 if (ieee80211_has_protected(hdr->frame_control))
2196                         return true;
2197                 category = ((u8 *) hdr) + 24;
2198                 return *category != WLAN_CATEGORY_PUBLIC &&
2199                         *category != WLAN_CATEGORY_HT &&
2200                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2201                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2202         }
2203
2204         return false;
2205 }
2206
2207 /**
2208  * ieee80211_is_public_action - check if frame is a public action frame
2209  * @hdr: the frame
2210  * @len: length of the frame
2211  */
2212 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2213                                               size_t len)
2214 {
2215         struct ieee80211_mgmt *mgmt = (void *)hdr;
2216
2217         if (len < IEEE80211_MIN_ACTION_SIZE)
2218                 return false;
2219         if (!ieee80211_is_action(hdr->frame_control))
2220                 return false;
2221         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2222 }
2223
2224 /**
2225  * ieee80211_dsss_chan_to_freq - get channel center frequency
2226  * @channel: the DSSS channel
2227  *
2228  * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2229  * Ref IEEE 802.11-2007 section 15.6
2230  */
2231 static inline int ieee80211_dsss_chan_to_freq(int channel)
2232 {
2233         if ((channel > 0) && (channel < 14))
2234                 return 2407 + (channel * 5);
2235         else if (channel == 14)
2236                 return 2484;
2237         else
2238                 return -1;
2239 }
2240
2241 /**
2242  * ieee80211_freq_to_dsss_chan - get channel
2243  * @freq: the frequency
2244  *
2245  * Convert frequency (MHz) to IEEE802.11 DSSS channel
2246  * Ref IEEE 802.11-2007 section 15.6
2247  *
2248  * This routine selects the channel with the closest center frequency.
2249  */
2250 static inline int ieee80211_freq_to_dsss_chan(int freq)
2251 {
2252         if ((freq >= 2410) && (freq < 2475))
2253                 return (freq - 2405) / 5;
2254         else if ((freq >= 2482) && (freq < 2487))
2255                 return 14;
2256         else
2257                 return -1;
2258 }
2259
2260 /**
2261  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2262  * @tu: the TUs
2263  */
2264 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2265 {
2266         return 1024 * tu;
2267 }
2268
2269 /**
2270  * ieee80211_check_tim - check if AID bit is set in TIM
2271  * @tim: the TIM IE
2272  * @tim_len: length of the TIM IE
2273  * @aid: the AID to look for
2274  */
2275 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2276                                        u8 tim_len, u16 aid)
2277 {
2278         u8 mask;
2279         u8 indexn0, indexn1, indexn2;
2280
2281         if (unlikely(!tim || tim_len < sizeof(*tim)))
2282                 return false;
2283
2284         aid &= 0x3fff;
2285         indexn0 = aid / 8;
2286         mask  = 1 << (aid & 7);
2287
2288         indexn1 = tim->bitmap_ctrl & 0xfe;
2289         indexn2 = tim_len + indexn1 - 4;
2290
2291         if (indexn0 < indexn1 || indexn0 > indexn2)
2292                 return false;
2293
2294         indexn0 -= indexn1;
2295
2296         return !!(tim->virtual_map[indexn0] & mask);
2297 }
2298
2299 #endif /* __LINUX_IEEE80211_H */