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_first_frag - check if IEEE80211_SCTL_FRAG is not set
 601  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 602  */
 603 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
 604 {
 605         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 606 }
 607
 608 struct ieee80211s_hdr {
 609         u8 flags;
 610         u8 ttl;
 611         __le32 seqnum;
 612         u8 eaddr1[ETH_ALEN];
 613         u8 eaddr2[ETH_ALEN];
 614 } __packed __aligned(2);
 615
 616 /* Mesh flags */
 617 #define MESH_FLAGS_AE_A4        0x1
 618 #define MESH_FLAGS_AE_A5_A6     0x2
 619 #define MESH_FLAGS_AE           0x3
 620 #define MESH_FLAGS_PS_DEEP      0x4
 621
 622 /**
 623  * enum ieee80211_preq_flags - mesh PREQ element flags
 624  *
 625  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 626  */
 627 enum ieee80211_preq_flags {
 628         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 629 };
 630
 631 /**
 632  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 633  *
 634  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 635  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 636  */
 637 enum ieee80211_preq_target_flags {
 638         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 639         IEEE80211_PREQ_USN_FLAG = 1<<2,
 640 };
 641
 642 /**
 643  * struct ieee80211_quiet_ie
 644  *
 645  * This structure refers to "Quiet information element"
 646  */
 647 struct ieee80211_quiet_ie {
 648         u8 count;
 649         u8 period;
 650         __le16 duration;
 651         __le16 offset;
 652 } __packed;
 653
 654 /**
 655  * struct ieee80211_msrment_ie
 656  *
 657  * This structure refers to "Measurement Request/Report information element"
 658  */
 659 struct ieee80211_msrment_ie {
 660         u8 token;
 661         u8 mode;
 662         u8 type;
 663         u8 request[0];
 664 } __packed;
 665
 666 /**
 667  * struct ieee80211_channel_sw_ie
 668  *
 669  * This structure refers to "Channel Switch Announcement information element"
 670  */
 671 struct ieee80211_channel_sw_ie {
 672         u8 mode;
 673         u8 new_ch_num;
 674         u8 count;
 675 } __packed;
 676
 677 /**
 678  * struct ieee80211_ext_chansw_ie
 679  *
 680  * This structure represents the "Extended Channel Switch Announcement element"
 681  */
 682 struct ieee80211_ext_chansw_ie {
 683         u8 mode;
 684         u8 new_operating_class;
 685         u8 new_ch_num;
 686         u8 count;
 687 } __packed;
 688
 689 /**
 690  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 691  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 692  *      values here
 693  * This structure represents the "Secondary Channel Offset element"
 694  */
 695 struct ieee80211_sec_chan_offs_ie {
 696         u8 sec_chan_offs;
 697 } __packed;
 698
 699 /**
 700  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 701  */
 702 struct ieee80211_wide_bw_chansw_ie {
 703         u8 new_channel_width;
 704         u8 new_center_freq_seg0, new_center_freq_seg1;
 705 } __packed;
 706
 707 /**
 708  * struct ieee80211_tim
 709  *
 710  * This structure refers to "Traffic Indication Map information element"
 711  */
 712 struct ieee80211_tim_ie {
 713         u8 dtim_count;
 714         u8 dtim_period;
 715         u8 bitmap_ctrl;
 716         /* variable size: 1 - 251 bytes */
 717         u8 virtual_map[1];
 718 } __packed;
 719
 720 /**
 721  * struct ieee80211_meshconf_ie
 722  *
 723  * This structure refers to "Mesh Configuration information element"
 724  */
 725 struct ieee80211_meshconf_ie {
 726         u8 meshconf_psel;
 727         u8 meshconf_pmetric;
 728         u8 meshconf_congest;
 729         u8 meshconf_synch;
 730         u8 meshconf_auth;
 731         u8 meshconf_form;
 732         u8 meshconf_cap;
 733 } __packed;
 734
 735 /**
 736  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 737  *
 738  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 739  *      additional mesh peerings with other mesh STAs
 740  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 741  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 742  *      is ongoing
 743  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 744  *      neighbors in deep sleep mode
 745  */
 746 enum mesh_config_capab_flags {
 747         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 748         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 749         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 750         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 751 };
 752
 753 /**
 754  * struct ieee80211_rann_ie
 755  *
 756  * This structure refers to "Root Announcement information element"
 757  */
 758 struct ieee80211_rann_ie {
 759         u8 rann_flags;
 760         u8 rann_hopcount;
 761         u8 rann_ttl;
 762         u8 rann_addr[ETH_ALEN];
 763         __le32 rann_seq;
 764         __le32 rann_interval;
 765         __le32 rann_metric;
 766 } __packed;
 767
 768 enum ieee80211_rann_flags {
 769         RANN_FLAG_IS_GATE = 1 << 0,
 770 };
 771
 772 enum ieee80211_ht_chanwidth_values {
 773         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 774         IEEE80211_HT_CHANWIDTH_ANY = 1,
 775 };
 776
 777 /**
 778  * enum ieee80211_opmode_bits - VHT operating mode field bits
 779  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 780  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 781  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 782  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 783  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 784  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 785  *      (the NSS value is the value of this field + 1)
 786  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 787  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 788  *      using a beamforming steering matrix
 789  */
 790 enum ieee80211_vht_opmode_bits {
 791         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 792         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 793         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 794         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 795         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 796         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 797         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 798         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 799 };
 800
 801 #define WLAN_SA_QUERY_TR_ID_LEN 2
 802
 803 struct ieee80211_mgmt {
 804         __le16 frame_control;
 805         __le16 duration;
 806         u8 da[ETH_ALEN];
 807         u8 sa[ETH_ALEN];
 808         u8 bssid[ETH_ALEN];
 809         __le16 seq_ctrl;
 810         union {
 811                 struct {
 812                         __le16 auth_alg;
 813                         __le16 auth_transaction;
 814                         __le16 status_code;
 815                         /* possibly followed by Challenge text */
 816                         u8 variable[0];
 817                 } __packed auth;
 818                 struct {
 819                         __le16 reason_code;
 820                 } __packed deauth;
 821                 struct {
 822                         __le16 capab_info;
 823                         __le16 listen_interval;
 824                         /* followed by SSID and Supported rates */
 825                         u8 variable[0];
 826                 } __packed assoc_req;
 827                 struct {
 828                         __le16 capab_info;
 829                         __le16 status_code;
 830                         __le16 aid;
 831                         /* followed by Supported rates */
 832                         u8 variable[0];
 833                 } __packed assoc_resp, reassoc_resp;
 834                 struct {
 835                         __le16 capab_info;
 836                         __le16 listen_interval;
 837                         u8 current_ap[ETH_ALEN];
 838                         /* followed by SSID and Supported rates */
 839                         u8 variable[0];
 840                 } __packed reassoc_req;
 841                 struct {
 842                         __le16 reason_code;
 843                 } __packed disassoc;
 844                 struct {
 845                         __le64 timestamp;
 846                         __le16 beacon_int;
 847                         __le16 capab_info;
 848                         /* followed by some of SSID, Supported rates,
 849                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 850                         u8 variable[0];
 851                 } __packed beacon;
 852                 struct {
 853                         /* only variable items: SSID, Supported rates */
 854                         u8 variable[0];
 855                 } __packed probe_req;
 856                 struct {
 857                         __le64 timestamp;
 858                         __le16 beacon_int;
 859                         __le16 capab_info;
 860                         /* followed by some of SSID, Supported rates,
 861                          * FH Params, DS Params, CF Params, IBSS Params */
 862                         u8 variable[0];
 863                 } __packed probe_resp;
 864                 struct {
 865                         u8 category;
 866                         union {
 867                                 struct {
 868                                         u8 action_code;
 869                                         u8 dialog_token;
 870                                         u8 status_code;
 871                                         u8 variable[0];
 872                                 } __packed wme_action;
 873                                 struct{
 874                                         u8 action_code;
 875                                         u8 variable[0];
 876                                 } __packed chan_switch;
 877                                 struct{
 878                                         u8 action_code;
 879                                         struct ieee80211_ext_chansw_ie data;
 880                                         u8 variable[0];
 881                                 } __packed ext_chan_switch;
 882                                 struct{
 883                                         u8 action_code;
 884                                         u8 dialog_token;
 885                                         u8 element_id;
 886                                         u8 length;
 887                                         struct ieee80211_msrment_ie msr_elem;
 888                                 } __packed measurement;
 889                                 struct{
 890                                         u8 action_code;
 891                                         u8 dialog_token;
 892                                         __le16 capab;
 893                                         __le16 timeout;
 894                                         __le16 start_seq_num;
 895                                 } __packed addba_req;
 896                                 struct{
 897                                         u8 action_code;
 898                                         u8 dialog_token;
 899                                         __le16 status;
 900                                         __le16 capab;
 901                                         __le16 timeout;
 902                                 } __packed addba_resp;
 903                                 struct{
 904                                         u8 action_code;
 905                                         __le16 params;
 906                                         __le16 reason_code;
 907                                 } __packed delba;
 908                                 struct {
 909                                         u8 action_code;
 910                                         u8 variable[0];
 911                                 } __packed self_prot;
 912                                 struct{
 913                                         u8 action_code;
 914                                         u8 variable[0];
 915                                 } __packed mesh_action;
 916                                 struct {
 917                                         u8 action;
 918                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
 919                                 } __packed sa_query;
 920                                 struct {
 921                                         u8 action;
 922                                         u8 smps_control;
 923                                 } __packed ht_smps;
 924                                 struct {
 925                                         u8 action_code;
 926                                         u8 chanwidth;
 927                                 } __packed ht_notify_cw;
 928                                 struct {
 929                                         u8 action_code;
 930                                         u8 dialog_token;
 931                                         __le16 capability;
 932                                         u8 variable[0];
 933                                 } __packed tdls_discover_resp;
 934                                 struct {
 935                                         u8 action_code;
 936                                         u8 operating_mode;
 937                                 } __packed vht_opmode_notif;
 938                         } u;
 939                 } __packed action;
 940         } u;
 941 } __packed __aligned(2);
 942
 943 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
 944 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
 945
 946 /* mgmt header + 1 byte category code */
 947 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
 948
 949
 950 /* Management MIC information element (IEEE 802.11w) */
 951 struct ieee80211_mmie {
 952         u8 element_id;
 953         u8 length;
 954         __le16 key_id;
 955         u8 sequence_number[6];
 956         u8 mic[8];
 957 } __packed;
 958
 959 struct ieee80211_vendor_ie {
 960         u8 element_id;
 961         u8 len;
 962         u8 oui[3];
 963         u8 oui_type;
 964 } __packed;
 965
 966 /* Control frames */
 967 struct ieee80211_rts {
 968         __le16 frame_control;
 969         __le16 duration;
 970         u8 ra[ETH_ALEN];
 971         u8 ta[ETH_ALEN];
 972 } __packed __aligned(2);
 973
 974 struct ieee80211_cts {
 975         __le16 frame_control;
 976         __le16 duration;
 977         u8 ra[ETH_ALEN];
 978 } __packed __aligned(2);
 979
 980 struct ieee80211_pspoll {
 981         __le16 frame_control;
 982         __le16 aid;
 983         u8 bssid[ETH_ALEN];
 984         u8 ta[ETH_ALEN];
 985 } __packed __aligned(2);
 986
 987 /* TDLS */
 988
 989 /* Link-id information element */
 990 struct ieee80211_tdls_lnkie {
 991         u8 ie_type; /* Link Identifier IE */
 992         u8 ie_len;
 993         u8 bssid[ETH_ALEN];
 994         u8 init_sta[ETH_ALEN];
 995         u8 resp_sta[ETH_ALEN];
 996 } __packed;
 997
 998 struct ieee80211_tdls_data {
 999         u8 da[ETH_ALEN];
1000         u8 sa[ETH_ALEN];
1001         __be16 ether_type;
1002         u8 payload_type;
1003         u8 category;
1004         u8 action_code;
1005         union {
1006                 struct {
1007                         u8 dialog_token;
1008                         __le16 capability;
1009                         u8 variable[0];
1010                 } __packed setup_req;
1011                 struct {
1012                         __le16 status_code;
1013                         u8 dialog_token;
1014                         __le16 capability;
1015                         u8 variable[0];
1016                 } __packed setup_resp;
1017                 struct {
1018                         __le16 status_code;
1019                         u8 dialog_token;
1020                         u8 variable[0];
1021                 } __packed setup_cfm;
1022                 struct {
1023                         __le16 reason_code;
1024                         u8 variable[0];
1025                 } __packed teardown;
1026                 struct {
1027                         u8 dialog_token;
1028                         u8 variable[0];
1029                 } __packed discover_req;
1030         } u;
1031 } __packed;
1032
1033 /*
1034  * Peer-to-Peer IE attribute related definitions.
1035  */
1036 /**
1037  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1038  */
1039 enum ieee80211_p2p_attr_id {
1040         IEEE80211_P2P_ATTR_STATUS = 0,
1041         IEEE80211_P2P_ATTR_MINOR_REASON,
1042         IEEE80211_P2P_ATTR_CAPABILITY,
1043         IEEE80211_P2P_ATTR_DEVICE_ID,
1044         IEEE80211_P2P_ATTR_GO_INTENT,
1045         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1046         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1047         IEEE80211_P2P_ATTR_GROUP_BSSID,
1048         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1049         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1050         IEEE80211_P2P_ATTR_MANAGABILITY,
1051         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1052         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1053         IEEE80211_P2P_ATTR_DEVICE_INFO,
1054         IEEE80211_P2P_ATTR_GROUP_INFO,
1055         IEEE80211_P2P_ATTR_GROUP_ID,
1056         IEEE80211_P2P_ATTR_INTERFACE,
1057         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1058         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1059         /* 19 - 220: Reserved */
1060         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1061
1062         IEEE80211_P2P_ATTR_MAX
1063 };
1064
1065 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1066 /* Typical max value used here */
1067 #define IEEE80211_P2P_NOA_DESC_MAX      4
1068
1069 struct ieee80211_p2p_noa_desc {
1070         u8 count;
1071         __le32 duration;
1072         __le32 interval;
1073         __le32 start_time;
1074 } __packed;
1075
1076 struct ieee80211_p2p_noa_attr {
1077         u8 index;
1078         u8 oppps_ctwindow;
1079         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1080 } __packed;
1081
1082 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1083 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1084
1085 /**
1086  * struct ieee80211_bar - HT Block Ack Request
1087  *
1088  * This structure refers to "HT BlockAckReq" as
1089  * described in 802.11n draft section 7.2.1.7.1
1090  */
1091 struct ieee80211_bar {
1092         __le16 frame_control;
1093         __le16 duration;
1094         __u8 ra[ETH_ALEN];
1095         __u8 ta[ETH_ALEN];
1096         __le16 control;
1097         __le16 start_seq_num;
1098 } __packed;
1099
1100 /* 802.11 BAR control masks */
1101 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1102 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1103 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1104 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1105 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1106
1107 #define IEEE80211_HT_MCS_MASK_LEN               10
1108
1109 /**
1110  * struct ieee80211_mcs_info - MCS information
1111  * @rx_mask: RX mask
1112  * @rx_highest: highest supported RX rate. If set represents
1113  *      the highest supported RX data rate in units of 1 Mbps.
1114  *      If this field is 0 this value should not be used to
1115  *      consider the highest RX data rate supported.
1116  * @tx_params: TX parameters
1117  */
1118 struct ieee80211_mcs_info {
1119         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1120         __le16 rx_highest;
1121         u8 tx_params;
1122         u8 reserved[3];
1123 } __packed;
1124
1125 /* 802.11n HT capability MSC set */
1126 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1127 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1128 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1129 /* value 0 == 1 stream etc */
1130 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1131 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1132 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1133 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1134
1135 /*
1136  * 802.11n D5.0 20.3.5 / 20.6 says:
1137  * - indices 0 to 7 and 32 are single spatial stream
1138  * - 8 to 31 are multiple spatial streams using equal modulation
1139  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1140  * - remainder are multiple spatial streams using unequal modulation
1141  */
1142 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1143 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1144         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1145
1146 /**
1147  * struct ieee80211_ht_cap - HT capabilities
1148  *
1149  * This structure is the "HT capabilities element" as
1150  * described in 802.11n D5.0 7.3.2.57
1151  */
1152 struct ieee80211_ht_cap {
1153         __le16 cap_info;
1154         u8 ampdu_params_info;
1155
1156         /* 16 bytes MCS information */
1157         struct ieee80211_mcs_info mcs;
1158
1159         __le16 extended_ht_cap_info;
1160         __le32 tx_BF_cap_info;
1161         u8 antenna_selection_info;
1162 } __packed;
1163
1164 /* 802.11n HT capabilities masks (for cap_info) */
1165 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1166 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1167 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1168 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1169 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1170 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1171 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1172 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1173 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1174 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1175 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1176 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1177 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1178 #define IEEE80211_HT_CAP_RESERVED               0x2000
1179 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1180 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1181
1182 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1183 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1184 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1185 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1186 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1187 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1188 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1189 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1190
1191 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1192 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1193 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1194 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1195
1196 /*
1197  * Maximum length of AMPDU that the STA can receive.
1198  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1199  */
1200 enum ieee80211_max_ampdu_length_exp {
1201         IEEE80211_HT_MAX_AMPDU_8K = 0,
1202         IEEE80211_HT_MAX_AMPDU_16K = 1,
1203         IEEE80211_HT_MAX_AMPDU_32K = 2,
1204         IEEE80211_HT_MAX_AMPDU_64K = 3
1205 };
1206
1207 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1208
1209 /* Minimum MPDU start spacing */
1210 enum ieee80211_min_mpdu_spacing {
1211         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1212         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1213         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1214         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1215         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1216         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1217         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1218         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1219 };
1220
1221 /**
1222  * struct ieee80211_ht_operation - HT operation IE
1223  *
1224  * This structure is the "HT operation element" as
1225  * described in 802.11n-2009 7.3.2.57
1226  */
1227 struct ieee80211_ht_operation {
1228         u8 primary_chan;
1229         u8 ht_param;
1230         __le16 operation_mode;
1231         __le16 stbc_param;
1232         u8 basic_set[16];
1233 } __packed;
1234
1235 /* for ht_param */
1236 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1237 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1238 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1239 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1240 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1241 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1242
1243 /* for operation_mode */
1244 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1245 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1246 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1247 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1248 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1249 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1250 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1251
1252 /* for stbc_param */
1253 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1254 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1255 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1256 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1257 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1258 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1259
1260
1261 /* block-ack parameters */
1262 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1263 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1264 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1265 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1266 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1267
1268 /*
1269  * A-PMDU buffer sizes
1270  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1271  */
1272 #define IEEE80211_MIN_AMPDU_BUF 0x8
1273 #define IEEE80211_MAX_AMPDU_BUF 0x40
1274
1275
1276 /* Spatial Multiplexing Power Save Modes (for capability) */
1277 #define WLAN_HT_CAP_SM_PS_STATIC        0
1278 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1279 #define WLAN_HT_CAP_SM_PS_INVALID       2
1280 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1281
1282 /* for SM power control field lower two bits */
1283 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1284 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1285 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1286
1287 /**
1288  * struct ieee80211_vht_mcs_info - VHT MCS information
1289  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1290  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1291  *      STA can receive. Rate expressed in units of 1 Mbps.
1292  *      If this field is 0 this value should not be used to
1293  *      consider the highest RX data rate supported.
1294  *      The top 3 bits of this field are reserved.
1295  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1296  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1297  *      STA can transmit. Rate expressed in units of 1 Mbps.
1298  *      If this field is 0 this value should not be used to
1299  *      consider the highest TX data rate supported.
1300  *      The top 3 bits of this field are reserved.
1301  */
1302 struct ieee80211_vht_mcs_info {
1303         __le16 rx_mcs_map;
1304         __le16 rx_highest;
1305         __le16 tx_mcs_map;
1306         __le16 tx_highest;
1307 } __packed;
1308
1309 /**
1310  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1311  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1312  *      number of streams
1313  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1314  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1315  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1316  *
1317  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1318  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1319  * both split into 8 subfields by number of streams. These values indicate
1320  * which MCSes are supported for the number of streams the value appears
1321  * for.
1322  */
1323 enum ieee80211_vht_mcs_support {
1324         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1325         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1326         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1327         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1328 };
1329
1330 /**
1331  * struct ieee80211_vht_cap - VHT capabilities
1332  *
1333  * This structure is the "VHT capabilities element" as
1334  * described in 802.11ac D3.0 8.4.2.160
1335  * @vht_cap_info: VHT capability info
1336  * @supp_mcs: VHT MCS supported rates
1337  */
1338 struct ieee80211_vht_cap {
1339         __le32 vht_cap_info;
1340         struct ieee80211_vht_mcs_info supp_mcs;
1341 } __packed;
1342
1343 /**
1344  * enum ieee80211_vht_chanwidth - VHT channel width
1345  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1346  *      determine the channel width (20 or 40 MHz)
1347  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1348  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1349  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1350  */
1351 enum ieee80211_vht_chanwidth {
1352         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1353         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1354         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1355         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1356 };
1357
1358 /**
1359  * struct ieee80211_vht_operation - VHT operation IE
1360  *
1361  * This structure is the "VHT operation element" as
1362  * described in 802.11ac D3.0 8.4.2.161
1363  * @chan_width: Operating channel width
1364  * @center_freq_seg1_idx: center freq segment 1 index
1365  * @center_freq_seg2_idx: center freq segment 2 index
1366  * @basic_mcs_set: VHT Basic MCS rate set
1367  */
1368 struct ieee80211_vht_operation {
1369         u8 chan_width;
1370         u8 center_freq_seg1_idx;
1371         u8 center_freq_seg2_idx;
1372         __le16 basic_mcs_set;
1373 } __packed;
1374
1375
1376 /* 802.11ac VHT Capabilities */
1377 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1378 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1379 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1380 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1381 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1382 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1383 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1384 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1385 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1386 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1387 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1388 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1389 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1390 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1391 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1392 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1393 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1394 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MAX                    0x0000e000
1395 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX               0x00070000
1396 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1397 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1398 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1399 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1400 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1401 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1402                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1403 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1404 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1405 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1406 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1407
1408 /* Authentication algorithms */
1409 #define WLAN_AUTH_OPEN 0
1410 #define WLAN_AUTH_SHARED_KEY 1
1411 #define WLAN_AUTH_FT 2
1412 #define WLAN_AUTH_SAE 3
1413 #define WLAN_AUTH_LEAP 128
1414
1415 #define WLAN_AUTH_CHALLENGE_LEN 128
1416
1417 #define WLAN_CAPABILITY_ESS             (1<<0)
1418 #define WLAN_CAPABILITY_IBSS            (1<<1)
1419
1420 /*
1421  * A mesh STA sets the ESS and IBSS capability bits to zero.
1422  * however, this holds true for p2p probe responses (in the p2p_find
1423  * phase) as well.
1424  */
1425 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1426         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1427
1428 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1429 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1430 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1431 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1432 #define WLAN_CAPABILITY_PBCC            (1<<6)
1433 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1434
1435 /* 802.11h */
1436 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1437 #define WLAN_CAPABILITY_QOS             (1<<9)
1438 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1439 #define WLAN_CAPABILITY_APSD            (1<<11)
1440 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1441 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1442 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1443 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1444
1445 /* DMG (60gHz) 802.11ad */
1446 /* type - bits 0..1 */
1447 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1448 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1449 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1450 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1451
1452 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1453 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1454 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1455 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1456
1457 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1458 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1459
1460 /* measurement */
1461 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1462 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1463 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1464
1465 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1466 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1467 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1468
1469 /* 802.11g ERP information element */
1470 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1471 #define WLAN_ERP_USE_PROTECTION (1<<1)
1472 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1473
1474 /* WLAN_ERP_BARKER_PREAMBLE values */
1475 enum {
1476         WLAN_ERP_PREAMBLE_SHORT = 0,
1477         WLAN_ERP_PREAMBLE_LONG = 1,
1478 };
1479
1480 /* Band ID, 802.11ad #8.4.1.45 */
1481 enum {
1482         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1483         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1484         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1485         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1486         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1487         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1488 };
1489
1490 /* Status codes */
1491 enum ieee80211_statuscode {
1492         WLAN_STATUS_SUCCESS = 0,
1493         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1494         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1495         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1496         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1497         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1498         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1499         WLAN_STATUS_CHALLENGE_FAIL = 15,
1500         WLAN_STATUS_AUTH_TIMEOUT = 16,
1501         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1502         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1503         /* 802.11b */
1504         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1505         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1506         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1507         /* 802.11h */
1508         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1509         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1510         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1511         /* 802.11g */
1512         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1513         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1514         /* 802.11w */
1515         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1516         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1517         /* 802.11i */
1518         WLAN_STATUS_INVALID_IE = 40,
1519         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1520         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1521         WLAN_STATUS_INVALID_AKMP = 43,
1522         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1523         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1524         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1525         /* 802.11e */
1526         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1527         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1528         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1529         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1530         WLAN_STATUS_REQUEST_DECLINED = 37,
1531         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1532         WLAN_STATUS_CHANGE_TSPEC = 39,
1533         WLAN_STATUS_WAIT_TS_DELAY = 47,
1534         WLAN_STATUS_NO_DIRECT_LINK = 48,
1535         WLAN_STATUS_STA_NOT_PRESENT = 49,
1536         WLAN_STATUS_STA_NOT_QSTA = 50,
1537         /* 802.11s */
1538         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1539         WLAN_STATUS_FCG_NOT_SUPP = 78,
1540         WLAN_STATUS_STA_NO_TBTT = 78,
1541         /* 802.11ad */
1542         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1543         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1544         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1545         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1546         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1547         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1548         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1549         WLAN_STATUS_REJECT_DSE_BAND = 96,
1550         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1551         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1552 };
1553
1554
1555 /* Reason codes */
1556 enum ieee80211_reasoncode {
1557         WLAN_REASON_UNSPECIFIED = 1,
1558         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1559         WLAN_REASON_DEAUTH_LEAVING = 3,
1560         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1561         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1562         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1563         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1564         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1565         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1566         /* 802.11h */
1567         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1568         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1569         /* 802.11i */
1570         WLAN_REASON_INVALID_IE = 13,
1571         WLAN_REASON_MIC_FAILURE = 14,
1572         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1573         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1574         WLAN_REASON_IE_DIFFERENT = 17,
1575         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1576         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1577         WLAN_REASON_INVALID_AKMP = 20,
1578         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1579         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1580         WLAN_REASON_IEEE8021X_FAILED = 23,
1581         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1582         /* 802.11e */
1583         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1584         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1585         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1586         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1587         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1588         WLAN_REASON_QSTA_NOT_USE = 37,
1589         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1590         WLAN_REASON_QSTA_TIMEOUT = 39,
1591         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1592         /* 802.11s */
1593         WLAN_REASON_MESH_PEER_CANCELED = 52,
1594         WLAN_REASON_MESH_MAX_PEERS = 53,
1595         WLAN_REASON_MESH_CONFIG = 54,
1596         WLAN_REASON_MESH_CLOSE = 55,
1597         WLAN_REASON_MESH_MAX_RETRIES = 56,
1598         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1599         WLAN_REASON_MESH_INVALID_GTK = 58,
1600         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1601         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1602         WLAN_REASON_MESH_PATH_ERROR = 61,
1603         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1604         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1605         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1606         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1607         WLAN_REASON_MESH_CHAN = 66,
1608 };
1609
1610
1611 /* Information Element IDs */
1612 enum ieee80211_eid {
1613         WLAN_EID_SSID = 0,
1614         WLAN_EID_SUPP_RATES = 1,
1615         WLAN_EID_FH_PARAMS = 2,
1616         WLAN_EID_DS_PARAMS = 3,
1617         WLAN_EID_CF_PARAMS = 4,
1618         WLAN_EID_TIM = 5,
1619         WLAN_EID_IBSS_PARAMS = 6,
1620         WLAN_EID_CHALLENGE = 16,
1621
1622         WLAN_EID_COUNTRY = 7,
1623         WLAN_EID_HP_PARAMS = 8,
1624         WLAN_EID_HP_TABLE = 9,
1625         WLAN_EID_REQUEST = 10,
1626
1627         WLAN_EID_QBSS_LOAD = 11,
1628         WLAN_EID_EDCA_PARAM_SET = 12,
1629         WLAN_EID_TSPEC = 13,
1630         WLAN_EID_TCLAS = 14,
1631         WLAN_EID_SCHEDULE = 15,
1632         WLAN_EID_TS_DELAY = 43,
1633         WLAN_EID_TCLAS_PROCESSING = 44,
1634         WLAN_EID_QOS_CAPA = 46,
1635         /* 802.11z */
1636         WLAN_EID_LINK_ID = 101,
1637         /* 802.11s */
1638         WLAN_EID_MESH_CONFIG = 113,
1639         WLAN_EID_MESH_ID = 114,
1640         WLAN_EID_LINK_METRIC_REPORT = 115,
1641         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1642         WLAN_EID_PEER_MGMT = 117,
1643         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1644         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1645         WLAN_EID_BEACON_TIMING = 120,
1646         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1647         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1648         WLAN_EID_MCCAOP_ADVERT = 123,
1649         WLAN_EID_MCCAOP_TEARDOWN = 124,
1650         WLAN_EID_GANN = 125,
1651         WLAN_EID_RANN = 126,
1652         WLAN_EID_PREQ = 130,
1653         WLAN_EID_PREP = 131,
1654         WLAN_EID_PERR = 132,
1655         WLAN_EID_PXU = 137,
1656         WLAN_EID_PXUC = 138,
1657         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1658         WLAN_EID_MIC = 140,
1659
1660         WLAN_EID_PWR_CONSTRAINT = 32,
1661         WLAN_EID_PWR_CAPABILITY = 33,
1662         WLAN_EID_TPC_REQUEST = 34,
1663         WLAN_EID_TPC_REPORT = 35,
1664         WLAN_EID_SUPPORTED_CHANNELS = 36,
1665         WLAN_EID_CHANNEL_SWITCH = 37,
1666         WLAN_EID_MEASURE_REQUEST = 38,
1667         WLAN_EID_MEASURE_REPORT = 39,
1668         WLAN_EID_QUIET = 40,
1669         WLAN_EID_IBSS_DFS = 41,
1670
1671         WLAN_EID_ERP_INFO = 42,
1672         WLAN_EID_EXT_SUPP_RATES = 50,
1673
1674         WLAN_EID_HT_CAPABILITY = 45,
1675         WLAN_EID_HT_OPERATION = 61,
1676         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1677
1678         WLAN_EID_RSN = 48,
1679         WLAN_EID_MMIE = 76,
1680         WLAN_EID_VENDOR_SPECIFIC = 221,
1681         WLAN_EID_QOS_PARAMETER = 222,
1682
1683         WLAN_EID_AP_CHAN_REPORT = 51,
1684         WLAN_EID_NEIGHBOR_REPORT = 52,
1685         WLAN_EID_RCPI = 53,
1686         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1687         WLAN_EID_ANTENNA_INFO = 64,
1688         WLAN_EID_RSNI = 65,
1689         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1690         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1691         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1692         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1693         WLAN_EID_MULTIPLE_BSSID = 71,
1694         WLAN_EID_BSS_COEX_2040 = 72,
1695         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1696         WLAN_EID_EXT_CAPABILITY = 127,
1697
1698         WLAN_EID_MOBILITY_DOMAIN = 54,
1699         WLAN_EID_FAST_BSS_TRANSITION = 55,
1700         WLAN_EID_TIMEOUT_INTERVAL = 56,
1701         WLAN_EID_RIC_DATA = 57,
1702         WLAN_EID_RIC_DESCRIPTOR = 75,
1703
1704         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1705         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1706         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1707
1708         WLAN_EID_VHT_CAPABILITY = 191,
1709         WLAN_EID_VHT_OPERATION = 192,
1710         WLAN_EID_OPMODE_NOTIF = 199,
1711         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1712         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1713         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1714         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1715         WLAN_EID_AID = 197,
1716         WLAN_EID_QUIET_CHANNEL = 198,
1717
1718         /* 802.11ad */
1719         WLAN_EID_NON_TX_BSSID_CAP =  83,
1720         WLAN_EID_WAKEUP_SCHEDULE = 143,
1721         WLAN_EID_EXT_SCHEDULE = 144,
1722         WLAN_EID_STA_AVAILABILITY = 145,
1723         WLAN_EID_DMG_TSPEC = 146,
1724         WLAN_EID_DMG_AT = 147,
1725         WLAN_EID_DMG_CAP = 148,
1726         WLAN_EID_DMG_OPERATION = 151,
1727         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1728         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1729         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1730         WLAN_EID_AWAKE_WINDOW = 157,
1731         WLAN_EID_MULTI_BAND = 158,
1732         WLAN_EID_ADDBA_EXT = 159,
1733         WLAN_EID_NEXT_PCP_LIST = 160,
1734         WLAN_EID_PCP_HANDOVER = 161,
1735         WLAN_EID_DMG_LINK_MARGIN = 162,
1736         WLAN_EID_SWITCHING_STREAM = 163,
1737         WLAN_EID_SESSION_TRANSITION = 164,
1738         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1739         WLAN_EID_CLUSTER_REPORT = 166,
1740         WLAN_EID_RELAY_CAP = 167,
1741         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1742         WLAN_EID_BEAM_LINK_MAINT = 169,
1743         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1744         WLAN_EID_U_PID = 171,
1745         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1746         WLAN_EID_QUIET_PERIOD_REQ = 175,
1747         WLAN_EID_QUIET_PERIOD_RESP = 177,
1748         WLAN_EID_EPAC_POLICY = 182,
1749         WLAN_EID_CLISTER_TIME_OFF = 183,
1750         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1751 };
1752
1753 /* Action category code */
1754 enum ieee80211_category {
1755         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1756         WLAN_CATEGORY_QOS = 1,
1757         WLAN_CATEGORY_DLS = 2,
1758         WLAN_CATEGORY_BACK = 3,
1759         WLAN_CATEGORY_PUBLIC = 4,
1760         WLAN_CATEGORY_HT = 7,
1761         WLAN_CATEGORY_SA_QUERY = 8,
1762         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1763         WLAN_CATEGORY_TDLS = 12,
1764         WLAN_CATEGORY_MESH_ACTION = 13,
1765         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1766         WLAN_CATEGORY_SELF_PROTECTED = 15,
1767         WLAN_CATEGORY_DMG = 16,
1768         WLAN_CATEGORY_WMM = 17,
1769         WLAN_CATEGORY_FST = 18,
1770         WLAN_CATEGORY_UNPROT_DMG = 20,
1771         WLAN_CATEGORY_VHT = 21,
1772         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1773         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1774 };
1775
1776 /* SPECTRUM_MGMT action code */
1777 enum ieee80211_spectrum_mgmt_actioncode {
1778         WLAN_ACTION_SPCT_MSR_REQ = 0,
1779         WLAN_ACTION_SPCT_MSR_RPRT = 1,
1780         WLAN_ACTION_SPCT_TPC_REQ = 2,
1781         WLAN_ACTION_SPCT_TPC_RPRT = 3,
1782         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1783 };
1784
1785 /* HT action codes */
1786 enum ieee80211_ht_actioncode {
1787         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1788         WLAN_HT_ACTION_SMPS = 1,
1789         WLAN_HT_ACTION_PSMP = 2,
1790         WLAN_HT_ACTION_PCO_PHASE = 3,
1791         WLAN_HT_ACTION_CSI = 4,
1792         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1793         WLAN_HT_ACTION_COMPRESSED_BF = 6,
1794         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1795 };
1796
1797 /* VHT action codes */
1798 enum ieee80211_vht_actioncode {
1799         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1800         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1801         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1802 };
1803
1804 /* Self Protected Action codes */
1805 enum ieee80211_self_protected_actioncode {
1806         WLAN_SP_RESERVED = 0,
1807         WLAN_SP_MESH_PEERING_OPEN = 1,
1808         WLAN_SP_MESH_PEERING_CONFIRM = 2,
1809         WLAN_SP_MESH_PEERING_CLOSE = 3,
1810         WLAN_SP_MGK_INFORM = 4,
1811         WLAN_SP_MGK_ACK = 5,
1812 };
1813
1814 /* Mesh action codes */
1815 enum ieee80211_mesh_actioncode {
1816         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1817         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1818         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1819         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1820         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1821         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1822         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1823         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1824         WLAN_MESH_ACTION_MCCA_TEARDOWN,
1825         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1826         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1827 };
1828
1829 /* Security key length */
1830 enum ieee80211_key_len {
1831         WLAN_KEY_LEN_WEP40 = 5,
1832         WLAN_KEY_LEN_WEP104 = 13,
1833         WLAN_KEY_LEN_CCMP = 16,
1834         WLAN_KEY_LEN_TKIP = 32,
1835         WLAN_KEY_LEN_AES_CMAC = 16,
1836 };
1837
1838 #define IEEE80211_WEP_IV_LEN            4
1839 #define IEEE80211_WEP_ICV_LEN           4
1840 #define IEEE80211_CCMP_HDR_LEN          8
1841 #define IEEE80211_CCMP_MIC_LEN          8
1842 #define IEEE80211_CCMP_PN_LEN           6
1843 #define IEEE80211_TKIP_IV_LEN           8
1844 #define IEEE80211_TKIP_ICV_LEN          4
1845 #define IEEE80211_CMAC_PN_LEN           6
1846
1847 /* Public action codes */
1848 enum ieee80211_pub_actioncode {
1849         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1850         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1851 };
1852
1853 /* TDLS action codes */
1854 enum ieee80211_tdls_actioncode {
1855         WLAN_TDLS_SETUP_REQUEST = 0,
1856         WLAN_TDLS_SETUP_RESPONSE = 1,
1857         WLAN_TDLS_SETUP_CONFIRM = 2,
1858         WLAN_TDLS_TEARDOWN = 3,
1859         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1860         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1861         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1862         WLAN_TDLS_PEER_PSM_REQUEST = 7,
1863         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1864         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1865         WLAN_TDLS_DISCOVERY_REQUEST = 10,
1866 };
1867
1868 /* Interworking capabilities are set in 7th bit of 4th byte of the
1869  * @WLAN_EID_EXT_CAPABILITY information element
1870  */
1871 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
1872
1873 /*
1874  * TDLS capabililites to be enabled in the 5th byte of the
1875  * @WLAN_EID_EXT_CAPABILITY information element
1876  */
1877 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
1878 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
1879
1880 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
1881
1882 /* TDLS specific payload type in the LLC/SNAP header */
1883 #define WLAN_TDLS_SNAP_RFTYPE   0x2
1884
1885 /**
1886  * enum - mesh synchronization method identifier
1887  *
1888  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1889  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1890  *      that will be specified in a vendor specific information element
1891  */
1892 enum {
1893         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1894         IEEE80211_SYNC_METHOD_VENDOR = 255,
1895 };
1896
1897 /**
1898  * enum - mesh path selection protocol identifier
1899  *
1900  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1901  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1902  *      be specified in a vendor specific information element
1903  */
1904 enum {
1905         IEEE80211_PATH_PROTOCOL_HWMP = 1,
1906         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1907 };
1908
1909 /**
1910  * enum - mesh path selection metric identifier
1911  *
1912  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1913  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1914  *      specified in a vendor specific information element
1915  */
1916 enum {
1917         IEEE80211_PATH_METRIC_AIRTIME = 1,
1918         IEEE80211_PATH_METRIC_VENDOR = 255,
1919 };
1920
1921 /**
1922  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1923  *
1924  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1925  *
1926  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1927  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1928  *      this value
1929  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1930  *      the proactive PREQ with proactive PREP subfield set to 0
1931  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1932  *      supports the proactive PREQ with proactive PREP subfield set to 1
1933  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1934  *      the proactive RANN
1935  */
1936 enum ieee80211_root_mode_identifier {
1937         IEEE80211_ROOTMODE_NO_ROOT = 0,
1938         IEEE80211_ROOTMODE_ROOT = 1,
1939         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1940         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1941         IEEE80211_PROACTIVE_RANN = 4,
1942 };
1943
1944 /*
1945  * IEEE 802.11-2007 7.3.2.9 Country information element
1946  *
1947  * Minimum length is 8 octets, ie len must be evenly
1948  * divisible by 2
1949  */
1950
1951 /* Although the spec says 8 I'm seeing 6 in practice */
1952 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
1953
1954 /* The Country String field of the element shall be 3 octets in length */
1955 #define IEEE80211_COUNTRY_STRING_LEN    3
1956
1957 /*
1958  * For regulatory extension stuff see IEEE 802.11-2007
1959  * Annex I (page 1141) and Annex J (page 1147). Also
1960  * review 7.3.2.9.
1961  *
1962  * When dot11RegulatoryClassesRequired is true and the
1963  * first_channel/reg_extension_id is >= 201 then the IE
1964  * compromises of the 'ext' struct represented below:
1965  *
1966  *  - Regulatory extension ID - when generating IE this just needs
1967  *    to be monotonically increasing for each triplet passed in
1968  *    the IE
1969  *  - Regulatory class - index into set of rules
1970  *  - Coverage class - index into air propagation time (Table 7-27),
1971  *    in microseconds, you can compute the air propagation time from
1972  *    the index by multiplying by 3, so index 10 yields a propagation
1973  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
1974  *    yet. A value of 0 inicates air propagation of <= 1 us.
1975  *
1976  *  See also Table I.2 for Emission limit sets and table
1977  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
1978  *  a reg_class to an emission limit set and behavior limit set.
1979  */
1980 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1981
1982 /*
1983  *  Channels numbers in the IE must be monotonically increasing
1984  *  if dot11RegulatoryClassesRequired is not true.
1985  *
1986  *  If dot11RegulatoryClassesRequired is true consecutive
1987  *  subband triplets following a regulatory triplet shall
1988  *  have monotonically increasing first_channel number fields.
1989  *
1990  *  Channel numbers shall not overlap.
1991  *
1992  *  Note that max_power is signed.
1993  */
1994 struct ieee80211_country_ie_triplet {
1995         union {
1996                 struct {
1997                         u8 first_channel;
1998                         u8 num_channels;
1999                         s8 max_power;
2000                 } __packed chans;
2001                 struct {
2002                         u8 reg_extension_id;
2003                         u8 reg_class;
2004                         u8 coverage_class;
2005                 } __packed ext;
2006         };
2007 } __packed;
2008
2009 enum ieee80211_timeout_interval_type {
2010         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2011         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2012         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2013 };
2014
2015 /**
2016  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2017  * @type: type, see &enum ieee80211_timeout_interval_type
2018  * @value: timeout interval value
2019  */
2020 struct ieee80211_timeout_interval_ie {
2021         u8 type;
2022         __le32 value;
2023 } __packed;
2024
2025 /* BACK action code */
2026 enum ieee80211_back_actioncode {
2027         WLAN_ACTION_ADDBA_REQ = 0,
2028         WLAN_ACTION_ADDBA_RESP = 1,
2029         WLAN_ACTION_DELBA = 2,
2030 };
2031
2032 /* BACK (block-ack) parties */
2033 enum ieee80211_back_parties {
2034         WLAN_BACK_RECIPIENT = 0,
2035         WLAN_BACK_INITIATOR = 1,
2036 };
2037
2038 /* SA Query action */
2039 enum ieee80211_sa_query_action {
2040         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2041         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2042 };
2043
2044
2045 /* cipher suite selectors */
2046 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2047 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2048 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2049 /* reserved:                            0x000FAC03 */
2050 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2051 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2052 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2053 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2054
2055 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2056
2057 /* AKM suite selectors */
2058 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2059 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2060 #define WLAN_AKM_SUITE_8021X_SHA256     0x000FAC05
2061 #define WLAN_AKM_SUITE_PSK_SHA256       0x000FAC06
2062 #define WLAN_AKM_SUITE_TDLS             0x000FAC07
2063 #define WLAN_AKM_SUITE_SAE              0x000FAC08
2064 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2065
2066 #define WLAN_MAX_KEY_LEN                32
2067
2068 #define WLAN_PMKID_LEN                  16
2069
2070 #define WLAN_OUI_WFA                    0x506f9a
2071 #define WLAN_OUI_TYPE_WFA_P2P           9
2072 #define WLAN_OUI_MICROSOFT              0x0050f2
2073 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2074 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2075 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2076
2077 /*
2078  * WMM/802.11e Tspec Element
2079  */
2080 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2081 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2082
2083 enum ieee80211_tspec_status_code {
2084         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2085         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2086 };
2087
2088 struct ieee80211_tspec_ie {
2089         u8 element_id;
2090         u8 len;
2091         u8 oui[3];
2092         u8 oui_type;
2093         u8 oui_subtype;
2094         u8 version;
2095         __le16 tsinfo;
2096         u8 tsinfo_resvd;
2097         __le16 nominal_msdu;
2098         __le16 max_msdu;
2099         __le32 min_service_int;
2100         __le32 max_service_int;
2101         __le32 inactivity_int;
2102         __le32 suspension_int;
2103         __le32 service_start_time;
2104         __le32 min_data_rate;
2105         __le32 mean_data_rate;
2106         __le32 peak_data_rate;
2107         __le32 max_burst_size;
2108         __le32 delay_bound;
2109         __le32 min_phy_rate;
2110         __le16 sba;
2111         __le16 medium_time;
2112 } __packed;
2113
2114 /**
2115  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2116  * @hdr: the frame
2117  *
2118  * The qos ctrl bytes come after the frame_control, duration, seq_num
2119  * and 3 or 4 addresses of length ETH_ALEN.
2120  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2121  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2122  */
2123 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2124 {
2125         if (ieee80211_has_a4(hdr->frame_control))
2126                 return (u8 *)hdr + 30;
2127         else
2128                 return (u8 *)hdr + 24;
2129 }
2130
2131 /**
2132  * ieee80211_get_SA - get pointer to SA
2133  * @hdr: the frame
2134  *
2135  * Given an 802.11 frame, this function returns the offset
2136  * to the source address (SA). It does not verify that the
2137  * header is long enough to contain the address, and the
2138  * header must be long enough to contain the frame control
2139  * field.
2140  */
2141 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2142 {
2143         if (ieee80211_has_a4(hdr->frame_control))
2144                 return hdr->addr4;
2145         if (ieee80211_has_fromds(hdr->frame_control))
2146                 return hdr->addr3;
2147         return hdr->addr2;
2148 }
2149
2150 /**
2151  * ieee80211_get_DA - get pointer to DA
2152  * @hdr: the frame
2153  *
2154  * Given an 802.11 frame, this function returns the offset
2155  * to the destination address (DA). It does not verify that
2156  * the header is long enough to contain the address, and the
2157  * header must be long enough to contain the frame control
2158  * field.
2159  */
2160 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2161 {
2162         if (ieee80211_has_tods(hdr->frame_control))
2163                 return hdr->addr3;
2164         else
2165                 return hdr->addr1;
2166 }
2167
2168 /**
2169  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2170  * @hdr: the frame (buffer must include at least the first octet of payload)
2171  */
2172 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2173 {
2174         if (ieee80211_is_disassoc(hdr->frame_control) ||
2175             ieee80211_is_deauth(hdr->frame_control))
2176                 return true;
2177
2178         if (ieee80211_is_action(hdr->frame_control)) {
2179                 u8 *category;
2180
2181                 /*
2182                  * Action frames, excluding Public Action frames, are Robust
2183                  * Management Frames. However, if we are looking at a Protected
2184                  * frame, skip the check since the data may be encrypted and
2185                  * the frame has already been found to be a Robust Management
2186                  * Frame (by the other end).
2187                  */
2188                 if (ieee80211_has_protected(hdr->frame_control))
2189                         return true;
2190                 category = ((u8 *) hdr) + 24;
2191                 return *category != WLAN_CATEGORY_PUBLIC &&
2192                         *category != WLAN_CATEGORY_HT &&
2193                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2194                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2195         }
2196
2197         return false;
2198 }
2199
2200 /**
2201  * ieee80211_is_public_action - check if frame is a public action frame
2202  * @hdr: the frame
2203  * @len: length of the frame
2204  */
2205 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2206                                               size_t len)
2207 {
2208         struct ieee80211_mgmt *mgmt = (void *)hdr;
2209
2210         if (len < IEEE80211_MIN_ACTION_SIZE)
2211                 return false;
2212         if (!ieee80211_is_action(hdr->frame_control))
2213                 return false;
2214         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2215 }
2216
2217 /**
2218  * ieee80211_dsss_chan_to_freq - get channel center frequency
2219  * @channel: the DSSS channel
2220  *
2221  * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2222  * Ref IEEE 802.11-2007 section 15.6
2223  */
2224 static inline int ieee80211_dsss_chan_to_freq(int channel)
2225 {
2226         if ((channel > 0) && (channel < 14))
2227                 return 2407 + (channel * 5);
2228         else if (channel == 14)
2229                 return 2484;
2230         else
2231                 return -1;
2232 }
2233
2234 /**
2235  * ieee80211_freq_to_dsss_chan - get channel
2236  * @freq: the frequency
2237  *
2238  * Convert frequency (MHz) to IEEE802.11 DSSS channel
2239  * Ref IEEE 802.11-2007 section 15.6
2240  *
2241  * This routine selects the channel with the closest center frequency.
2242  */
2243 static inline int ieee80211_freq_to_dsss_chan(int freq)
2244 {
2245         if ((freq >= 2410) && (freq < 2475))
2246                 return (freq - 2405) / 5;
2247         else if ((freq >= 2482) && (freq < 2487))
2248                 return 14;
2249         else
2250                 return -1;
2251 }
2252
2253 /**
2254  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2255  * @tu: the TUs
2256  */
2257 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2258 {
2259         return 1024 * tu;
2260 }
2261
2262 /**
2263  * ieee80211_check_tim - check if AID bit is set in TIM
2264  * @tim: the TIM IE
2265  * @tim_len: length of the TIM IE
2266  * @aid: the AID to look for
2267  */
2268 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2269                                        u8 tim_len, u16 aid)
2270 {
2271         u8 mask;
2272         u8 index, indexn1, indexn2;
2273
2274         if (unlikely(!tim || tim_len < sizeof(*tim)))
2275                 return false;
2276
2277         aid &= 0x3fff;
2278         index = aid / 8;
2279         mask  = 1 << (aid & 7);
2280
2281         indexn1 = tim->bitmap_ctrl & 0xfe;
2282         indexn2 = tim_len + indexn1 - 4;
2283
2284         if (index < indexn1 || index > indexn2)
2285                 return false;
2286
2287         index -= indexn1;
2288
2289         return !!(tim->virtual_map[index] & mask);
2290 }
2291
2292 /* convert time units */
2293 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2294 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2295
2296 #endif /* LINUX_IEEE80211_H */