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