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