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_first_frag - check if IEEE80211_SCTL_FRAG is not set
 608  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 609  */
 610 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
 611 {
 612         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 613 }
 614
 615 struct ieee80211s_hdr {
 616         u8 flags;
 617         u8 ttl;
 618         __le32 seqnum;
 619         u8 eaddr1[6];
 620         u8 eaddr2[6];
 621 } __packed __aligned(2);
 622
 623 /* Mesh flags */
 624 #define MESH_FLAGS_AE_A4        0x1
 625 #define MESH_FLAGS_AE_A5_A6     0x2
 626 #define MESH_FLAGS_AE           0x3
 627 #define MESH_FLAGS_PS_DEEP      0x4
 628
 629 /**
 630  * enum ieee80211_preq_flags - mesh PREQ element flags
 631  *
 632  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 633  */
 634 enum ieee80211_preq_flags {
 635         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 636 };
 637
 638 /**
 639  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 640  *
 641  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 642  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 643  */
 644 enum ieee80211_preq_target_flags {
 645         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 646         IEEE80211_PREQ_USN_FLAG = 1<<2,
 647 };
 648
 649 /**
 650  * struct ieee80211_quiet_ie
 651  *
 652  * This structure refers to "Quiet information element"
 653  */
 654 struct ieee80211_quiet_ie {
 655         u8 count;
 656         u8 period;
 657         __le16 duration;
 658         __le16 offset;
 659 } __packed;
 660
 661 /**
 662  * struct ieee80211_msrment_ie
 663  *
 664  * This structure refers to "Measurement Request/Report information element"
 665  */
 666 struct ieee80211_msrment_ie {
 667         u8 token;
 668         u8 mode;
 669         u8 type;
 670         u8 request[0];
 671 } __packed;
 672
 673 /**
 674  * struct ieee80211_channel_sw_ie
 675  *
 676  * This structure refers to "Channel Switch Announcement information element"
 677  */
 678 struct ieee80211_channel_sw_ie {
 679         u8 mode;
 680         u8 new_ch_num;
 681         u8 count;
 682 } __packed;
 683
 684 /**
 685  * struct ieee80211_ext_chansw_ie
 686  *
 687  * This structure represents the "Extended Channel Switch Announcement element"
 688  */
 689 struct ieee80211_ext_chansw_ie {
 690         u8 mode;
 691         u8 new_operating_class;
 692         u8 new_ch_num;
 693         u8 count;
 694 } __packed;
 695
 696 /**
 697  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 698  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 699  *      values here
 700  * This structure represents the "Secondary Channel Offset element"
 701  */
 702 struct ieee80211_sec_chan_offs_ie {
 703         u8 sec_chan_offs;
 704 } __packed;
 705
 706 /**
 707  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 708  *
 709  * This structure represents the "Mesh Channel Switch Paramters element"
 710  */
 711 struct ieee80211_mesh_chansw_params_ie {
 712         u8 mesh_ttl;
 713         u8 mesh_flags;
 714         __le16 mesh_reason;
 715         __le16 mesh_pre_value;
 716 } __packed;
 717
 718 /**
 719  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 720  */
 721 struct ieee80211_wide_bw_chansw_ie {
 722         u8 new_channel_width;
 723         u8 new_center_freq_seg0, new_center_freq_seg1;
 724 } __packed;
 725
 726 /**
 727  * struct ieee80211_tim
 728  *
 729  * This structure refers to "Traffic Indication Map information element"
 730  */
 731 struct ieee80211_tim_ie {
 732         u8 dtim_count;
 733         u8 dtim_period;
 734         u8 bitmap_ctrl;
 735         /* variable size: 1 - 251 bytes */
 736         u8 virtual_map[1];
 737 } __packed;
 738
 739 /**
 740  * struct ieee80211_meshconf_ie
 741  *
 742  * This structure refers to "Mesh Configuration information element"
 743  */
 744 struct ieee80211_meshconf_ie {
 745         u8 meshconf_psel;
 746         u8 meshconf_pmetric;
 747         u8 meshconf_congest;
 748         u8 meshconf_synch;
 749         u8 meshconf_auth;
 750         u8 meshconf_form;
 751         u8 meshconf_cap;
 752 } __packed;
 753
 754 /**
 755  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 756  *
 757  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 758  *      additional mesh peerings with other mesh STAs
 759  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 760  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 761  *      is ongoing
 762  */
 763 enum mesh_config_capab_flags {
 764         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 765         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 766         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 767 };
 768
 769 /**
 770  * mesh channel switch parameters element's flag indicator
 771  *
 772  */
 773 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 774 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 775 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 776
 777 /**
 778  * struct ieee80211_rann_ie
 779  *
 780  * This structure refers to "Root Announcement information element"
 781  */
 782 struct ieee80211_rann_ie {
 783         u8 rann_flags;
 784         u8 rann_hopcount;
 785         u8 rann_ttl;
 786         u8 rann_addr[6];
 787         __le32 rann_seq;
 788         __le32 rann_interval;
 789         __le32 rann_metric;
 790 } __packed;
 791
 792 enum ieee80211_rann_flags {
 793         RANN_FLAG_IS_GATE = 1 << 0,
 794 };
 795
 796 enum ieee80211_ht_chanwidth_values {
 797         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 798         IEEE80211_HT_CHANWIDTH_ANY = 1,
 799 };
 800
 801 /**
 802  * enum ieee80211_opmode_bits - VHT operating mode field bits
 803  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 804  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 805  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 806  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 807  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 808  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 809  *      (the NSS value is the value of this field + 1)
 810  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 811  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 812  *      using a beamforming steering matrix
 813  */
 814 enum ieee80211_vht_opmode_bits {
 815         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 816         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 817         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 818         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 819         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 820         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 821         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 822         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 823 };
 824
 825 #define WLAN_SA_QUERY_TR_ID_LEN 2
 826
 827 struct ieee80211_mgmt {
 828         __le16 frame_control;
 829         __le16 duration;
 830         u8 da[6];
 831         u8 sa[6];
 832         u8 bssid[6];
 833         __le16 seq_ctrl;
 834         union {
 835                 struct {
 836                         __le16 auth_alg;
 837                         __le16 auth_transaction;
 838                         __le16 status_code;
 839                         /* possibly followed by Challenge text */
 840                         u8 variable[0];
 841                 } __packed auth;
 842                 struct {
 843                         __le16 reason_code;
 844                 } __packed deauth;
 845                 struct {
 846                         __le16 capab_info;
 847                         __le16 listen_interval;
 848                         /* followed by SSID and Supported rates */
 849                         u8 variable[0];
 850                 } __packed assoc_req;
 851                 struct {
 852                         __le16 capab_info;
 853                         __le16 status_code;
 854                         __le16 aid;
 855                         /* followed by Supported rates */
 856                         u8 variable[0];
 857                 } __packed assoc_resp, reassoc_resp;
 858                 struct {
 859                         __le16 capab_info;
 860                         __le16 listen_interval;
 861                         u8 current_ap[6];
 862                         /* followed by SSID and Supported rates */
 863                         u8 variable[0];
 864                 } __packed reassoc_req;
 865                 struct {
 866                         __le16 reason_code;
 867                 } __packed disassoc;
 868                 struct {
 869                         __le64 timestamp;
 870                         __le16 beacon_int;
 871                         __le16 capab_info;
 872                         /* followed by some of SSID, Supported rates,
 873                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 874                         u8 variable[0];
 875                 } __packed beacon;
 876                 struct {
 877                         /* only variable items: SSID, Supported rates */
 878                         u8 variable[0];
 879                 } __packed probe_req;
 880                 struct {
 881                         __le64 timestamp;
 882                         __le16 beacon_int;
 883                         __le16 capab_info;
 884                         /* followed by some of SSID, Supported rates,
 885                          * FH Params, DS Params, CF Params, IBSS Params */
 886                         u8 variable[0];
 887                 } __packed probe_resp;
 888                 struct {
 889                         u8 category;
 890                         union {
 891                                 struct {
 892                                         u8 action_code;
 893                                         u8 dialog_token;
 894                                         u8 status_code;
 895                                         u8 variable[0];
 896                                 } __packed wme_action;
 897                                 struct{
 898                                         u8 action_code;
 899                                         u8 variable[0];
 900                                 } __packed chan_switch;
 901                                 struct{
 902                                         u8 action_code;
 903                                         struct ieee80211_ext_chansw_ie data;
 904                                         u8 variable[0];
 905                                 } __packed ext_chan_switch;
 906                                 struct{
 907                                         u8 action_code;
 908                                         u8 dialog_token;
 909                                         u8 element_id;
 910                                         u8 length;
 911                                         struct ieee80211_msrment_ie msr_elem;
 912                                 } __packed measurement;
 913                                 struct{
 914                                         u8 action_code;
 915                                         u8 dialog_token;
 916                                         __le16 capab;
 917                                         __le16 timeout;
 918                                         __le16 start_seq_num;
 919                                 } __packed addba_req;
 920                                 struct{
 921                                         u8 action_code;
 922                                         u8 dialog_token;
 923                                         __le16 status;
 924                                         __le16 capab;
 925                                         __le16 timeout;
 926                                 } __packed addba_resp;
 927                                 struct{
 928                                         u8 action_code;
 929                                         __le16 params;
 930                                         __le16 reason_code;
 931                                 } __packed delba;
 932                                 struct {
 933                                         u8 action_code;
 934                                         u8 variable[0];
 935                                 } __packed self_prot;
 936                                 struct{
 937                                         u8 action_code;
 938                                         u8 variable[0];
 939                                 } __packed mesh_action;
 940                                 struct {
 941                                         u8 action;
 942                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 943                                 } __packed sa_query;
 944                                 struct {
 945                                         u8 action;
 946                                         u8 smps_control;
 947                                 } __packed ht_smps;
 948                                 struct {
 949                                         u8 action_code;
 950                                         u8 chanwidth;
 951                                 } __packed ht_notify_cw;
 952                                 struct {
 953                                         u8 action_code;
 954                                         u8 dialog_token;
 955                                         __le16 capability;
 956                                         u8 variable[0];
 957                                 } __packed tdls_discover_resp;
 958                                 struct {
 959                                         u8 action_code;
 960                                         u8 operating_mode;
 961                                 } __packed vht_opmode_notif;
 962                         } u;
 963                 } __packed action;
 964         } u;
 965 } __packed __aligned(2);
 966
 967 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 968 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
 969
 970 /* mgmt header + 1 byte category code */
 971 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 972
 973
 974 /* Management MIC information element (IEEE 802.11w) */
 975 struct ieee80211_mmie {
 976         u8 element_id;
 977         u8 length;
 978         __le16 key_id;
 979         u8 sequence_number[6];
 980         u8 mic[8];
 981 } __packed;
 982
 983 struct ieee80211_vendor_ie {
 984         u8 element_id;
 985         u8 len;
 986         u8 oui[3];
 987         u8 oui_type;
 988 } __packed;
 989
 990 /* Control frames */
 991 struct ieee80211_rts {
 992         __le16 frame_control;
 993         __le16 duration;
 994         u8 ra[6];
 995         u8 ta[6];
 996 } __packed __aligned(2);
 997
 998 struct ieee80211_cts {
 999         __le16 frame_control;
1000         __le16 duration;
1001         u8 ra[6];
1002 } __packed __aligned(2);
1003
1004 struct ieee80211_pspoll {
1005         __le16 frame_control;
1006         __le16 aid;
1007         u8 bssid[6];
1008         u8 ta[6];
1009 } __packed __aligned(2);
1010
1011 /* TDLS */
1012
1013 /* Link-id information element */
1014 struct ieee80211_tdls_lnkie {
1015         u8 ie_type; /* Link Identifier IE */
1016         u8 ie_len;
1017         u8 bssid[6];
1018         u8 init_sta[6];
1019         u8 resp_sta[6];
1020 } __packed;
1021
1022 struct ieee80211_tdls_data {
1023         u8 da[6];
1024         u8 sa[6];
1025         __be16 ether_type;
1026         u8 payload_type;
1027         u8 category;
1028         u8 action_code;
1029         union {
1030                 struct {
1031                         u8 dialog_token;
1032                         __le16 capability;
1033                         u8 variable[0];
1034                 } __packed setup_req;
1035                 struct {
1036                         __le16 status_code;
1037                         u8 dialog_token;
1038                         __le16 capability;
1039                         u8 variable[0];
1040                 } __packed setup_resp;
1041                 struct {
1042                         __le16 status_code;
1043                         u8 dialog_token;
1044                         u8 variable[0];
1045                 } __packed setup_cfm;
1046                 struct {
1047                         __le16 reason_code;
1048                         u8 variable[0];
1049                 } __packed teardown;
1050                 struct {
1051                         u8 dialog_token;
1052                         u8 variable[0];
1053                 } __packed discover_req;
1054         } u;
1055 } __packed;
1056
1057 /*
1058  * Peer-to-Peer IE attribute related definitions.
1059  */
1060 /**
1061  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1062  */
1063 enum ieee80211_p2p_attr_id {
1064         IEEE80211_P2P_ATTR_STATUS = 0,
1065         IEEE80211_P2P_ATTR_MINOR_REASON,
1066         IEEE80211_P2P_ATTR_CAPABILITY,
1067         IEEE80211_P2P_ATTR_DEVICE_ID,
1068         IEEE80211_P2P_ATTR_GO_INTENT,
1069         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1070         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1071         IEEE80211_P2P_ATTR_GROUP_BSSID,
1072         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1073         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1074         IEEE80211_P2P_ATTR_MANAGABILITY,
1075         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1076         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1077         IEEE80211_P2P_ATTR_DEVICE_INFO,
1078         IEEE80211_P2P_ATTR_GROUP_INFO,
1079         IEEE80211_P2P_ATTR_GROUP_ID,
1080         IEEE80211_P2P_ATTR_INTERFACE,
1081         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1082         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1083         /* 19 - 220: Reserved */
1084         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1085
1086         IEEE80211_P2P_ATTR_MAX
1087 };
1088
1089 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1090 /* Typical max value used here */
1091 #define IEEE80211_P2P_NOA_DESC_MAX      4
1092
1093 struct ieee80211_p2p_noa_desc {
1094         u8 count;
1095         __le32 duration;
1096         __le32 interval;
1097         __le32 start_time;
1098 } __packed;
1099
1100 struct ieee80211_p2p_noa_attr {
1101         u8 index;
1102         u8 oppps_ctwindow;
1103         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1104 } __packed;
1105
1106 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1107 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1108
1109 /**
1110  * struct ieee80211_bar - HT Block Ack Request
1111  *
1112  * This structure refers to "HT BlockAckReq" as
1113  * described in 802.11n draft section 7.2.1.7.1
1114  */
1115 struct ieee80211_bar {
1116         __le16 frame_control;
1117         __le16 duration;
1118         __u8 ra[6];
1119         __u8 ta[6];
1120         __le16 control;
1121         __le16 start_seq_num;
1122 } __packed __aligned(4);
1123
1124 /* 802.11 BA(R) control masks */
1125 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1126 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1127 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1128 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1129 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1130
1131 /**
1132  * struct ieee80211_ba - HT Block Ack
1133  *
1134  * This structure refers to "HT BlockAck" as
1135  * described in 802.11n draft section 7.2.1.8.1
1136  */
1137 struct ieee80211_ba {
1138         __le16 frame_control;
1139         __le16 duration;
1140         u8 ra[6];
1141         u8 ta[6];
1142         __le16 control;
1143
1144         __le16 start_seq_num;
1145         u8 bitmap[8];
1146 } __packed;
1147
1148 #define IEEE80211_HT_MCS_MASK_LEN               10
1149
1150 /**
1151  * struct ieee80211_mcs_info - MCS information
1152  * @rx_mask: RX mask
1153  * @rx_highest: highest supported RX rate. If set represents
1154  *      the highest supported RX data rate in units of 1 Mbps.
1155  *      If this field is 0 this value should not be used to
1156  *      consider the highest RX data rate supported.
1157  * @tx_params: TX parameters
1158  */
1159 struct ieee80211_mcs_info {
1160         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1161         __le16 rx_highest;
1162         u8 tx_params;
1163         u8 reserved[3];
1164 } __packed;
1165
1166 /* 802.11n HT capability MSC set */
1167 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1168 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1169 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1170 /* value 0 == 1 stream etc */
1171 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1172 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1173 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1174 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1175
1176 /*
1177  * 802.11n D5.0 20.3.5 / 20.6 says:
1178  * - indices 0 to 7 and 32 are single spatial stream
1179  * - 8 to 31 are multiple spatial streams using equal modulation
1180  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1181  * - remainder are multiple spatial streams using unequal modulation
1182  */
1183 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1184 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1185         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1186
1187 /**
1188  * struct ieee80211_ht_cap - HT capabilities
1189  *
1190  * This structure is the "HT capabilities element" as
1191  * described in 802.11n D5.0 7.3.2.57
1192  */
1193 struct ieee80211_ht_cap {
1194         __le16 cap_info;
1195         u8 ampdu_params_info;
1196
1197         /* 16 bytes MCS information */
1198         struct ieee80211_mcs_info mcs;
1199
1200         __le16 extended_ht_cap_info;
1201         __le32 tx_BF_cap_info;
1202         u8 antenna_selection_info;
1203 } __packed;
1204
1205 /* 802.11n HT capabilities masks (for cap_info) */
1206 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1207 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1208 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1209 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1210 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1211 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1212 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1213 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1214 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1215 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1216 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1217 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1218 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1219 #define IEEE80211_HT_CAP_RESERVED               0x2000
1220 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1221 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1222
1223 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1224 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1225 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1226 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1227 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1228 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1229 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1230 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1231
1232 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1233 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1234 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1235 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1236
1237 /*
1238  * Maximum length of AMPDU that the STA can receive.
1239  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1240  */
1241 enum ieee80211_max_ampdu_length_exp {
1242         IEEE80211_HT_MAX_AMPDU_8K = 0,
1243         IEEE80211_HT_MAX_AMPDU_16K = 1,
1244         IEEE80211_HT_MAX_AMPDU_32K = 2,
1245         IEEE80211_HT_MAX_AMPDU_64K = 3
1246 };
1247
1248 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1249
1250 /* Minimum MPDU start spacing */
1251 enum ieee80211_min_mpdu_spacing {
1252         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1253         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1254         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1255         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1256         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1257         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1258         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1259         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1260 };
1261
1262 /**
1263  * struct ieee80211_ht_operation - HT operation IE
1264  *
1265  * This structure is the "HT operation element" as
1266  * described in 802.11n-2009 7.3.2.57
1267  */
1268 struct ieee80211_ht_operation {
1269         u8 primary_chan;
1270         u8 ht_param;
1271         __le16 operation_mode;
1272         __le16 stbc_param;
1273         u8 basic_set[16];
1274 } __packed;
1275
1276 /* for ht_param */
1277 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1278 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1279 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1280 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1281 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1282 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1283
1284 /* for operation_mode */
1285 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1286 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1287 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1288 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1289 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1290 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1291 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1292
1293 /* for stbc_param */
1294 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1295 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1296 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1297 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1298 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1299 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1300
1301
1302 /* block-ack parameters */
1303 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1304 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1305 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1306 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1307 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1308
1309 /*
1310  * A-PMDU buffer sizes
1311  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1312  */
1313 #define IEEE80211_MIN_AMPDU_BUF 0x8
1314 #define IEEE80211_MAX_AMPDU_BUF 0x40
1315
1316
1317 /* Spatial Multiplexing Power Save Modes (for capability) */
1318 #define WLAN_HT_CAP_SM_PS_STATIC        0
1319 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1320 #define WLAN_HT_CAP_SM_PS_INVALID       2
1321 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1322
1323 /* for SM power control field lower two bits */
1324 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1325 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1326 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1327
1328 /**
1329  * struct ieee80211_vht_mcs_info - VHT MCS information
1330  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1331  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1332  *      STA can receive. Rate expressed in units of 1 Mbps.
1333  *      If this field is 0 this value should not be used to
1334  *      consider the highest RX data rate supported.
1335  *      The top 3 bits of this field are reserved.
1336  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1337  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1338  *      STA can transmit. Rate expressed in units of 1 Mbps.
1339  *      If this field is 0 this value should not be used to
1340  *      consider the highest TX data rate supported.
1341  *      The top 3 bits of this field are reserved.
1342  */
1343 struct ieee80211_vht_mcs_info {
1344         __le16 rx_mcs_map;
1345         __le16 rx_highest;
1346         __le16 tx_mcs_map;
1347         __le16 tx_highest;
1348 } __packed;
1349
1350 /**
1351  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1352  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1353  *      number of streams
1354  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1355  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1356  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1357  *
1358  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1359  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1360  * both split into 8 subfields by number of streams. These values indicate
1361  * which MCSes are supported for the number of streams the value appears
1362  * for.
1363  */
1364 enum ieee80211_vht_mcs_support {
1365         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1366         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1367         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1368         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1369 };
1370
1371 /**
1372  * struct ieee80211_vht_cap - VHT capabilities
1373  *
1374  * This structure is the "VHT capabilities element" as
1375  * described in 802.11ac D3.0 8.4.2.160
1376  * @vht_cap_info: VHT capability info
1377  * @supp_mcs: VHT MCS supported rates
1378  */
1379 struct ieee80211_vht_cap {
1380         __le32 vht_cap_info;
1381         struct ieee80211_vht_mcs_info supp_mcs;
1382 } __packed;
1383
1384 /**
1385  * enum ieee80211_vht_chanwidth - VHT channel width
1386  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1387  *      determine the channel width (20 or 40 MHz)
1388  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1389  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1390  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1391  */
1392 enum ieee80211_vht_chanwidth {
1393         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1394         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1395         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1396         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1397 };
1398
1399 /**
1400  * struct ieee80211_vht_operation - VHT operation IE
1401  *
1402  * This structure is the "VHT operation element" as
1403  * described in 802.11ac D3.0 8.4.2.161
1404  * @chan_width: Operating channel width
1405  * @center_freq_seg1_idx: center freq segment 1 index
1406  * @center_freq_seg2_idx: center freq segment 2 index
1407  * @basic_mcs_set: VHT Basic MCS rate set
1408  */
1409 struct ieee80211_vht_operation {
1410         u8 chan_width;
1411         u8 center_freq_seg1_idx;
1412         u8 center_freq_seg2_idx;
1413         __le16 basic_mcs_set;
1414 } __packed;
1415
1416
1417 /* 802.11ac VHT Capabilities */
1418 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1419 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1420 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1421 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1422 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1423 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1424 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1425 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1426 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1427 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1428 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1429 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1430 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1431 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1432 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1433 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1434 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1435 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1436                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1437 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1438 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1439                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1440 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1441 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1442 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1443 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1444 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1445 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1446                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1447 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1448 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1449 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1450 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1451
1452 /* Authentication algorithms */
1453 #define WLAN_AUTH_OPEN 0
1454 #define WLAN_AUTH_SHARED_KEY 1
1455 #define WLAN_AUTH_FT 2
1456 #define WLAN_AUTH_SAE 3
1457 #define WLAN_AUTH_LEAP 128
1458
1459 #define WLAN_AUTH_CHALLENGE_LEN 128
1460
1461 #define WLAN_CAPABILITY_ESS             (1<<0)
1462 #define WLAN_CAPABILITY_IBSS            (1<<1)
1463
1464 /*
1465  * A mesh STA sets the ESS and IBSS capability bits to zero.
1466  * however, this holds true for p2p probe responses (in the p2p_find
1467  * phase) as well.
1468  */
1469 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1470         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1471
1472 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1473 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1474 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1475 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1476 #define WLAN_CAPABILITY_PBCC            (1<<6)
1477 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1478
1479 /* 802.11h */
1480 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1481 #define WLAN_CAPABILITY_QOS             (1<<9)
1482 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1483 #define WLAN_CAPABILITY_APSD            (1<<11)
1484 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1485 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1486 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1487 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1488
1489 /* DMG (60gHz) 802.11ad */
1490 /* type - bits 0..1 */
1491 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1492 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1493 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1494 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1495
1496 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1497 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1498 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1499 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1500
1501 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1502 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1503
1504 /* measurement */
1505 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1506 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1507 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1508
1509 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1510 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1511 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1512
1513 /* 802.11g ERP information element */
1514 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1515 #define WLAN_ERP_USE_PROTECTION (1<<1)
1516 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1517
1518 /* WLAN_ERP_BARKER_PREAMBLE values */
1519 enum {
1520         WLAN_ERP_PREAMBLE_SHORT = 0,
1521         WLAN_ERP_PREAMBLE_LONG = 1,
1522 };
1523
1524 /* Band ID, 802.11ad #8.4.1.45 */
1525 enum {
1526         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1527         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1528         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1529         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1530         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1531         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1532 };
1533
1534 /* Status codes */
1535 enum ieee80211_statuscode {
1536         WLAN_STATUS_SUCCESS = 0,
1537         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1538         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1539         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1540         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1541         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1542         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1543         WLAN_STATUS_CHALLENGE_FAIL = 15,
1544         WLAN_STATUS_AUTH_TIMEOUT = 16,
1545         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1546         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1547         /* 802.11b */
1548         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1549         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1550         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1551         /* 802.11h */
1552         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1553         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1554         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1555         /* 802.11g */
1556         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1557         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1558         /* 802.11w */
1559         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1560         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1561         /* 802.11i */
1562         WLAN_STATUS_INVALID_IE = 40,
1563         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1564         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1565         WLAN_STATUS_INVALID_AKMP = 43,
1566         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1567         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1568         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1569         /* 802.11e */
1570         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1571         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1572         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1573         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1574         WLAN_STATUS_REQUEST_DECLINED = 37,
1575         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1576         WLAN_STATUS_CHANGE_TSPEC = 39,
1577         WLAN_STATUS_WAIT_TS_DELAY = 47,
1578         WLAN_STATUS_NO_DIRECT_LINK = 48,
1579         WLAN_STATUS_STA_NOT_PRESENT = 49,
1580         WLAN_STATUS_STA_NOT_QSTA = 50,
1581         /* 802.11s */
1582         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1583         WLAN_STATUS_FCG_NOT_SUPP = 78,
1584         WLAN_STATUS_STA_NO_TBTT = 78,
1585         /* 802.11ad */
1586         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1587         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1588         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1589         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1590         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1591         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1592         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1593         WLAN_STATUS_REJECT_DSE_BAND = 96,
1594         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1595         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1596 };
1597
1598
1599 /* Reason codes */
1600 enum ieee80211_reasoncode {
1601         WLAN_REASON_UNSPECIFIED = 1,
1602         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1603         WLAN_REASON_DEAUTH_LEAVING = 3,
1604         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1605         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1606         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1607         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1608         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1609         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1610         /* 802.11h */
1611         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1612         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1613         /* 802.11i */
1614         WLAN_REASON_INVALID_IE = 13,
1615         WLAN_REASON_MIC_FAILURE = 14,
1616         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1617         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1618         WLAN_REASON_IE_DIFFERENT = 17,
1619         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1620         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1621         WLAN_REASON_INVALID_AKMP = 20,
1622         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1623         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1624         WLAN_REASON_IEEE8021X_FAILED = 23,
1625         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1626         /* 802.11e */
1627         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1628         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1629         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1630         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1631         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1632         WLAN_REASON_QSTA_NOT_USE = 37,
1633         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1634         WLAN_REASON_QSTA_TIMEOUT = 39,
1635         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1636         /* 802.11s */
1637         WLAN_REASON_MESH_PEER_CANCELED = 52,
1638         WLAN_REASON_MESH_MAX_PEERS = 53,
1639         WLAN_REASON_MESH_CONFIG = 54,
1640         WLAN_REASON_MESH_CLOSE = 55,
1641         WLAN_REASON_MESH_MAX_RETRIES = 56,
1642         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1643         WLAN_REASON_MESH_INVALID_GTK = 58,
1644         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1645         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1646         WLAN_REASON_MESH_PATH_ERROR = 61,
1647         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1648         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1649         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1650         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1651         WLAN_REASON_MESH_CHAN = 66,
1652 };
1653
1654
1655 /* Information Element IDs */
1656 enum ieee80211_eid {
1657         WLAN_EID_SSID = 0,
1658         WLAN_EID_SUPP_RATES = 1,
1659         WLAN_EID_FH_PARAMS = 2,
1660         WLAN_EID_DS_PARAMS = 3,
1661         WLAN_EID_CF_PARAMS = 4,
1662         WLAN_EID_TIM = 5,
1663         WLAN_EID_IBSS_PARAMS = 6,
1664         WLAN_EID_CHALLENGE = 16,
1665
1666         WLAN_EID_COUNTRY = 7,
1667         WLAN_EID_HP_PARAMS = 8,
1668         WLAN_EID_HP_TABLE = 9,
1669         WLAN_EID_REQUEST = 10,
1670
1671         WLAN_EID_QBSS_LOAD = 11,
1672         WLAN_EID_EDCA_PARAM_SET = 12,
1673         WLAN_EID_TSPEC = 13,
1674         WLAN_EID_TCLAS = 14,
1675         WLAN_EID_SCHEDULE = 15,
1676         WLAN_EID_TS_DELAY = 43,
1677         WLAN_EID_TCLAS_PROCESSING = 44,
1678         WLAN_EID_QOS_CAPA = 46,
1679         /* 802.11z */
1680         WLAN_EID_LINK_ID = 101,
1681         /* 802.11s */
1682         WLAN_EID_MESH_CONFIG = 113,
1683         WLAN_EID_MESH_ID = 114,
1684         WLAN_EID_LINK_METRIC_REPORT = 115,
1685         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1686         WLAN_EID_PEER_MGMT = 117,
1687         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1688         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1689         WLAN_EID_BEACON_TIMING = 120,
1690         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1691         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1692         WLAN_EID_MCCAOP_ADVERT = 123,
1693         WLAN_EID_MCCAOP_TEARDOWN = 124,
1694         WLAN_EID_GANN = 125,
1695         WLAN_EID_RANN = 126,
1696         WLAN_EID_PREQ = 130,
1697         WLAN_EID_PREP = 131,
1698         WLAN_EID_PERR = 132,
1699         WLAN_EID_PXU = 137,
1700         WLAN_EID_PXUC = 138,
1701         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1702         WLAN_EID_MIC = 140,
1703
1704         WLAN_EID_PWR_CONSTRAINT = 32,
1705         WLAN_EID_PWR_CAPABILITY = 33,
1706         WLAN_EID_TPC_REQUEST = 34,
1707         WLAN_EID_TPC_REPORT = 35,
1708         WLAN_EID_SUPPORTED_CHANNELS = 36,
1709         WLAN_EID_CHANNEL_SWITCH = 37,
1710         WLAN_EID_MEASURE_REQUEST = 38,
1711         WLAN_EID_MEASURE_REPORT = 39,
1712         WLAN_EID_QUIET = 40,
1713         WLAN_EID_IBSS_DFS = 41,
1714
1715         WLAN_EID_ERP_INFO = 42,
1716         WLAN_EID_EXT_SUPP_RATES = 50,
1717
1718         WLAN_EID_HT_CAPABILITY = 45,
1719         WLAN_EID_HT_OPERATION = 61,
1720         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1721
1722         WLAN_EID_RSN = 48,
1723         WLAN_EID_MMIE = 76,
1724         WLAN_EID_VENDOR_SPECIFIC = 221,
1725         WLAN_EID_QOS_PARAMETER = 222,
1726
1727         WLAN_EID_AP_CHAN_REPORT = 51,
1728         WLAN_EID_NEIGHBOR_REPORT = 52,
1729         WLAN_EID_RCPI = 53,
1730         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1731         WLAN_EID_ANTENNA_INFO = 64,
1732         WLAN_EID_RSNI = 65,
1733         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1734         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1735         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1736         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1737         WLAN_EID_MULTIPLE_BSSID = 71,
1738         WLAN_EID_BSS_COEX_2040 = 72,
1739         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1740         WLAN_EID_EXT_CAPABILITY = 127,
1741
1742         WLAN_EID_MOBILITY_DOMAIN = 54,
1743         WLAN_EID_FAST_BSS_TRANSITION = 55,
1744         WLAN_EID_TIMEOUT_INTERVAL = 56,
1745         WLAN_EID_RIC_DATA = 57,
1746         WLAN_EID_RIC_DESCRIPTOR = 75,
1747
1748         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1749         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1750         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1751
1752         WLAN_EID_VHT_CAPABILITY = 191,
1753         WLAN_EID_VHT_OPERATION = 192,
1754         WLAN_EID_OPMODE_NOTIF = 199,
1755         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1756         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1757         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1758         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1759         WLAN_EID_AID = 197,
1760         WLAN_EID_QUIET_CHANNEL = 198,
1761
1762         /* 802.11ad */
1763         WLAN_EID_NON_TX_BSSID_CAP =  83,
1764         WLAN_EID_WAKEUP_SCHEDULE = 143,
1765         WLAN_EID_EXT_SCHEDULE = 144,
1766         WLAN_EID_STA_AVAILABILITY = 145,
1767         WLAN_EID_DMG_TSPEC = 146,
1768         WLAN_EID_DMG_AT = 147,
1769         WLAN_EID_DMG_CAP = 148,
1770         WLAN_EID_DMG_OPERATION = 151,
1771         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1772         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1773         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1774         WLAN_EID_AWAKE_WINDOW = 157,
1775         WLAN_EID_MULTI_BAND = 158,
1776         WLAN_EID_ADDBA_EXT = 159,
1777         WLAN_EID_NEXT_PCP_LIST = 160,
1778         WLAN_EID_PCP_HANDOVER = 161,
1779         WLAN_EID_DMG_LINK_MARGIN = 162,
1780         WLAN_EID_SWITCHING_STREAM = 163,
1781         WLAN_EID_SESSION_TRANSITION = 164,
1782         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1783         WLAN_EID_CLUSTER_REPORT = 166,
1784         WLAN_EID_RELAY_CAP = 167,
1785         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1786         WLAN_EID_BEAM_LINK_MAINT = 169,
1787         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1788         WLAN_EID_U_PID = 171,
1789         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1790         WLAN_EID_QUIET_PERIOD_REQ = 175,
1791         WLAN_EID_QUIET_PERIOD_RESP = 177,
1792         WLAN_EID_EPAC_POLICY = 182,
1793         WLAN_EID_CLISTER_TIME_OFF = 183,
1794         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1795 };
1796
1797 /* Action category code */
1798 enum ieee80211_category {
1799         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1800         WLAN_CATEGORY_QOS = 1,
1801         WLAN_CATEGORY_DLS = 2,
1802         WLAN_CATEGORY_BACK = 3,
1803         WLAN_CATEGORY_PUBLIC = 4,
1804         WLAN_CATEGORY_HT = 7,
1805         WLAN_CATEGORY_SA_QUERY = 8,
1806         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1807         WLAN_CATEGORY_TDLS = 12,
1808         WLAN_CATEGORY_MESH_ACTION = 13,
1809         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1810         WLAN_CATEGORY_SELF_PROTECTED = 15,
1811         WLAN_CATEGORY_DMG = 16,
1812         WLAN_CATEGORY_WMM = 17,
1813         WLAN_CATEGORY_FST = 18,
1814         WLAN_CATEGORY_UNPROT_DMG = 20,
1815         WLAN_CATEGORY_VHT = 21,
1816         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1817         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1818 };
1819
1820 /* SPECTRUM_MGMT action code */
1821 enum ieee80211_spectrum_mgmt_actioncode {
1822         WLAN_ACTION_SPCT_MSR_REQ = 0,
1823         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1824         WLAN_ACTION_SPCT_TPC_REQ = 2,
1825         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1826         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1827 };
1828
1829 /* HT action codes */
1830 enum ieee80211_ht_actioncode {
1831         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1832         WLAN_HT_ACTION_SMPS = 1,
1833         WLAN_HT_ACTION_PSMP = 2,
1834         WLAN_HT_ACTION_PCO_PHASE = 3,
1835         WLAN_HT_ACTION_CSI = 4,
1836         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1837         WLAN_HT_ACTION_COMPRESSED_BF = 6,
1838         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1839 };
1840
1841 /* VHT action codes */
1842 enum ieee80211_vht_actioncode {
1843         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1844         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1845         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1846 };
1847
1848 /* Self Protected Action codes */
1849 enum ieee80211_self_protected_actioncode {
1850         WLAN_SP_RESERVED = 0,
1851         WLAN_SP_MESH_PEERING_OPEN = 1,
1852         WLAN_SP_MESH_PEERING_CONFIRM = 2,
1853         WLAN_SP_MESH_PEERING_CLOSE = 3,
1854         WLAN_SP_MGK_INFORM = 4,
1855         WLAN_SP_MGK_ACK = 5,
1856 };
1857
1858 /* Mesh action codes */
1859 enum ieee80211_mesh_actioncode {
1860         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1861         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1862         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1863         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1864         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1865         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1866         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1867         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1868         WLAN_MESH_ACTION_MCCA_TEARDOWN,
1869         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1870         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1871 };
1872
1873 /* Security key length */
1874 enum ieee80211_key_len {
1875         WLAN_KEY_LEN_WEP40 = 5,
1876         WLAN_KEY_LEN_WEP104 = 13,
1877         WLAN_KEY_LEN_CCMP = 16,
1878         WLAN_KEY_LEN_TKIP = 32,
1879         WLAN_KEY_LEN_AES_CMAC = 16,
1880 };
1881
1882 #define IEEE80211_WEP_IV_LEN            4
1883 #define IEEE80211_WEP_ICV_LEN           4
1884 #define IEEE80211_CCMP_HDR_LEN          8
1885 #define IEEE80211_CCMP_MIC_LEN          8
1886 #define IEEE80211_CCMP_PN_LEN           6
1887 #define IEEE80211_TKIP_IV_LEN           8
1888 #define IEEE80211_TKIP_ICV_LEN          4
1889 #define IEEE80211_CMAC_PN_LEN           6
1890
1891 /* Public action codes */
1892 enum ieee80211_pub_actioncode {
1893         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1894         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1895 };
1896
1897 /* TDLS action codes */
1898 enum ieee80211_tdls_actioncode {
1899         WLAN_TDLS_SETUP_REQUEST = 0,
1900         WLAN_TDLS_SETUP_RESPONSE = 1,
1901         WLAN_TDLS_SETUP_CONFIRM = 2,
1902         WLAN_TDLS_TEARDOWN = 3,
1903         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1904         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1905         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1906         WLAN_TDLS_PEER_PSM_REQUEST = 7,
1907         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1908         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1909         WLAN_TDLS_DISCOVERY_REQUEST = 10,
1910 };
1911
1912 /* Interworking capabilities are set in 7th bit of 4th byte of the
1913  * @WLAN_EID_EXT_CAPABILITY information element
1914  */
1915 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
1916
1917 /*
1918  * TDLS capabililites to be enabled in the 5th byte of the
1919  * @WLAN_EID_EXT_CAPABILITY information element
1920  */
1921 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
1922 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
1923
1924 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
1925
1926 /* TDLS specific payload type in the LLC/SNAP header */
1927 #define WLAN_TDLS_SNAP_RFTYPE   0x2
1928
1929 /**
1930  * enum - mesh synchronization method identifier
1931  *
1932  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1933  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1934  *      that will be specified in a vendor specific information element
1935  */
1936 enum {
1937         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1938         IEEE80211_SYNC_METHOD_VENDOR = 255,
1939 };
1940
1941 /**
1942  * enum - mesh path selection protocol identifier
1943  *
1944  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1945  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1946  *      be specified in a vendor specific information element
1947  */
1948 enum {
1949         IEEE80211_PATH_PROTOCOL_HWMP = 1,
1950         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1951 };
1952
1953 /**
1954  * enum - mesh path selection metric identifier
1955  *
1956  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1957  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1958  *      specified in a vendor specific information element
1959  */
1960 enum {
1961         IEEE80211_PATH_METRIC_AIRTIME = 1,
1962         IEEE80211_PATH_METRIC_VENDOR = 255,
1963 };
1964
1965 /**
1966  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1967  *
1968  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1969  *
1970  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1971  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1972  *      this value
1973  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1974  *      the proactive PREQ with proactive PREP subfield set to 0
1975  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1976  *      supports the proactive PREQ with proactive PREP subfield set to 1
1977  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1978  *      the proactive RANN
1979  */
1980 enum ieee80211_root_mode_identifier {
1981         IEEE80211_ROOTMODE_NO_ROOT = 0,
1982         IEEE80211_ROOTMODE_ROOT = 1,
1983         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1984         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1985         IEEE80211_PROACTIVE_RANN = 4,
1986 };
1987
1988 /*
1989  * IEEE 802.11-2007 7.3.2.9 Country information element
1990  *
1991  * Minimum length is 8 octets, ie len must be evenly
1992  * divisible by 2
1993  */
1994
1995 /* Although the spec says 8 I'm seeing 6 in practice */
1996 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
1997
1998 /* The Country String field of the element shall be 3 octets in length */
1999 #define IEEE80211_COUNTRY_STRING_LEN    3
2000
2001 /*
2002  * For regulatory extension stuff see IEEE 802.11-2007
2003  * Annex I (page 1141) and Annex J (page 1147). Also
2004  * review 7.3.2.9.
2005  *
2006  * When dot11RegulatoryClassesRequired is true and the
2007  * first_channel/reg_extension_id is >= 201 then the IE
2008  * compromises of the 'ext' struct represented below:
2009  *
2010  *  - Regulatory extension ID - when generating IE this just needs
2011  *    to be monotonically increasing for each triplet passed in
2012  *    the IE
2013  *  - Regulatory class - index into set of rules
2014  *  - Coverage class - index into air propagation time (Table 7-27),
2015  *    in microseconds, you can compute the air propagation time from
2016  *    the index by multiplying by 3, so index 10 yields a propagation
2017  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2018  *    yet. A value of 0 inicates air propagation of <= 1 us.
2019  *
2020  *  See also Table I.2 for Emission limit sets and table
2021  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2022  *  a reg_class to an emission limit set and behavior limit set.
2023  */
2024 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2025
2026 /*
2027  *  Channels numbers in the IE must be monotonically increasing
2028  *  if dot11RegulatoryClassesRequired is not true.
2029  *
2030  *  If dot11RegulatoryClassesRequired is true consecutive
2031  *  subband triplets following a regulatory triplet shall
2032  *  have monotonically increasing first_channel number fields.
2033  *
2034  *  Channel numbers shall not overlap.
2035  *
2036  *  Note that max_power is signed.
2037  */
2038 struct ieee80211_country_ie_triplet {
2039         union {
2040                 struct {
2041                         u8 first_channel;
2042                         u8 num_channels;
2043                         s8 max_power;
2044                 } __packed chans;
2045                 struct {
2046                         u8 reg_extension_id;
2047                         u8 reg_class;
2048                         u8 coverage_class;
2049                 } __packed ext;
2050         };
2051 } __packed;
2052
2053 enum ieee80211_timeout_interval_type {
2054         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2055         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2056         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2057 };
2058
2059 /**
2060  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2061  * @type: type, see &enum ieee80211_timeout_interval_type
2062  * @value: timeout interval value
2063  */
2064 struct ieee80211_timeout_interval_ie {
2065         u8 type;
2066         __le32 value;
2067 } __packed;
2068
2069 /* BACK action code */
2070 enum ieee80211_back_actioncode {
2071         WLAN_ACTION_ADDBA_REQ = 0,
2072         WLAN_ACTION_ADDBA_RESP = 1,
2073         WLAN_ACTION_DELBA = 2,
2074 };
2075
2076 /* BACK (block-ack) parties */
2077 enum ieee80211_back_parties {
2078         WLAN_BACK_RECIPIENT = 0,
2079         WLAN_BACK_INITIATOR = 1,
2080 };
2081
2082 /* SA Query action */
2083 enum ieee80211_sa_query_action {
2084         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2085         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2086 };
2087
2088
2089 /* cipher suite selectors */
2090 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2091 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2092 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2093 /* reserved:                            0x000FAC03 */
2094 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2095 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2096 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2097 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2098
2099 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2100
2101 /* AKM suite selectors */
2102 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2103 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2104 #define WLAN_AKM_SUITE_SAE                      0x000FAC08
2105 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2106
2107 #define WLAN_MAX_KEY_LEN                32
2108
2109 #define WLAN_PMKID_LEN                  16
2110
2111 #define WLAN_OUI_WFA                    0x506f9a
2112 #define WLAN_OUI_TYPE_WFA_P2P           9
2113 #define WLAN_OUI_MICROSOFT              0x0050f2
2114 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2115 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2116 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2117
2118 /*
2119  * WMM/802.11e Tspec Element
2120  */
2121 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2122 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2123
2124 enum ieee80211_tspec_status_code {
2125         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2126         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2127 };
2128
2129 struct ieee80211_tspec_ie {
2130         u8 element_id;
2131         u8 len;
2132         u8 oui[3];
2133         u8 oui_type;
2134         u8 oui_subtype;
2135         u8 version;
2136         __le16 tsinfo;
2137         u8 tsinfo_resvd;
2138         __le16 nominal_msdu;
2139         __le16 max_msdu;
2140         __le32 min_service_int;
2141         __le32 max_service_int;
2142         __le32 inactivity_int;
2143         __le32 suspension_int;
2144         __le32 service_start_time;
2145         __le32 min_data_rate;
2146         __le32 mean_data_rate;
2147         __le32 peak_data_rate;
2148         __le32 max_burst_size;
2149         __le32 delay_bound;
2150         __le32 min_phy_rate;
2151         __le16 sba;
2152         __le16 medium_time;
2153 } __packed;
2154
2155 /**
2156  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2157  * @hdr: the frame
2158  *
2159  * The qos ctrl bytes come after the frame_control, duration, seq_num
2160  * and 3 or 4 addresses of length ETH_ALEN.
2161  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2162  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2163  */
2164 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2165 {
2166         if (ieee80211_has_a4(hdr->frame_control))
2167                 return (u8 *)hdr + 30;
2168         else
2169                 return (u8 *)hdr + 24;
2170 }
2171
2172 /**
2173  * ieee80211_get_SA - get pointer to SA
2174  * @hdr: the frame
2175  *
2176  * Given an 802.11 frame, this function returns the offset
2177  * to the source address (SA). It does not verify that the
2178  * header is long enough to contain the address, and the
2179  * header must be long enough to contain the frame control
2180  * field.
2181  */
2182 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2183 {
2184         if (ieee80211_has_a4(hdr->frame_control))
2185                 return hdr->addr4;
2186         if (ieee80211_has_fromds(hdr->frame_control))
2187                 return hdr->addr3;
2188         return hdr->addr2;
2189 }
2190
2191 /**
2192  * ieee80211_get_DA - get pointer to DA
2193  * @hdr: the frame
2194  *
2195  * Given an 802.11 frame, this function returns the offset
2196  * to the destination address (DA). It does not verify that
2197  * the header is long enough to contain the address, and the
2198  * header must be long enough to contain the frame control
2199  * field.
2200  */
2201 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2202 {
2203         if (ieee80211_has_tods(hdr->frame_control))
2204                 return hdr->addr3;
2205         else
2206                 return hdr->addr1;
2207 }
2208
2209 /**
2210  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2211  * @hdr: the frame (buffer must include at least the first octet of payload)
2212  */
2213 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2214 {
2215         if (ieee80211_is_disassoc(hdr->frame_control) ||
2216             ieee80211_is_deauth(hdr->frame_control))
2217                 return true;
2218
2219         if (ieee80211_is_action(hdr->frame_control)) {
2220                 u8 *category;
2221
2222                 /*
2223                  * Action frames, excluding Public Action frames, are Robust
2224                  * Management Frames. However, if we are looking at a Protected
2225                  * frame, skip the check since the data may be encrypted and
2226                  * the frame has already been found to be a Robust Management
2227                  * Frame (by the other end).
2228                  */
2229                 if (ieee80211_has_protected(hdr->frame_control))
2230                         return true;
2231                 category = ((u8 *) hdr) + 24;
2232                 return *category != WLAN_CATEGORY_PUBLIC &&
2233                         *category != WLAN_CATEGORY_HT &&
2234                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2235                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2236         }
2237
2238         return false;
2239 }
2240
2241 /**
2242  * ieee80211_is_public_action - check if frame is a public action frame
2243  * @hdr: the frame
2244  * @len: length of the frame
2245  */
2246 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2247                                               size_t len)
2248 {
2249         struct ieee80211_mgmt *mgmt = (void *)hdr;
2250
2251         if (len < IEEE80211_MIN_ACTION_SIZE)
2252                 return false;
2253         if (!ieee80211_is_action(hdr->frame_control))
2254                 return false;
2255         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2256 }
2257
2258 /**
2259  * ieee80211_dsss_chan_to_freq - get channel center frequency
2260  * @channel: the DSSS channel
2261  *
2262  * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2263  * Ref IEEE 802.11-2007 section 15.6
2264  */
2265 static inline int ieee80211_dsss_chan_to_freq(int channel)
2266 {
2267         if ((channel > 0) && (channel < 14))
2268                 return 2407 + (channel * 5);
2269         else if (channel == 14)
2270                 return 2484;
2271         else
2272                 return -1;
2273 }
2274
2275 /**
2276  * ieee80211_freq_to_dsss_chan - get channel
2277  * @freq: the frequency
2278  *
2279  * Convert frequency (MHz) to IEEE802.11 DSSS channel
2280  * Ref IEEE 802.11-2007 section 15.6
2281  *
2282  * This routine selects the channel with the closest center frequency.
2283  */
2284 static inline int ieee80211_freq_to_dsss_chan(int freq)
2285 {
2286         if ((freq >= 2410) && (freq < 2475))
2287                 return (freq - 2405) / 5;
2288         else if ((freq >= 2482) && (freq < 2487))
2289                 return 14;
2290         else
2291                 return -1;
2292 }
2293
2294 /**
2295  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2296  * @tu: the TUs
2297  */
2298 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2299 {
2300         return 1024 * tu;
2301 }
2302
2303 /**
2304  * ieee80211_check_tim - check if AID bit is set in TIM
2305  * @tim: the TIM IE
2306  * @tim_len: length of the TIM IE
2307  * @aid: the AID to look for
2308  */
2309 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2310                                        u8 tim_len, u16 aid)
2311 {
2312         u8 mask;
2313         u8 indexn0, indexn1, indexn2;
2314
2315         if (unlikely(!tim || tim_len < sizeof(*tim)))
2316                 return false;
2317
2318         aid &= 0x3fff;
2319         indexn0 = aid / 8;
2320         mask  = 1 << (aid & 7);
2321
2322         indexn1 = tim->bitmap_ctrl & 0xfe;
2323         indexn2 = tim_len + indexn1 - 4;
2324
2325         if (indexn0 < indexn1 || indexn0 > indexn2)
2326                 return false;
2327
2328         indexn0 -= indexn1;
2329
2330         return !!(tim->virtual_map[indexn0] & mask);
2331 }
2332
2333 /* convert time units */
2334 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
2335 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
2336
2337 #endif /* __LINUX_IEEE80211_H */