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  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  10  * Copyright (c) 2016 Intel Deutschland GmbH
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #ifndef __LINUX_IEEE80211_H
  18 #define __LINUX_IEEE80211_H
  19
  20 /*
  21  * DS bit usage
  22  *
  23  * TA = transmitter address
  24  * RA = receiver address
  25  * DA = destination address
  26  * SA = source address
  27  *
  28  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  29  * -----------------------------------------------------------------
  30  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  31  *  0       1       DA      BSSID   SA      -       AP -> STA
  32  *  1       0       BSSID   SA      DA      -       AP <- STA
  33  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  34  */
  35
  36 #define FCS_LEN 4
  37
  38 #define IEEE80211_FCTL_VERS             0x0003
  39 #define IEEE80211_FCTL_FTYPE            0x000c
  40 #define IEEE80211_FCTL_STYPE            0x00f0
  41 #define IEEE80211_FCTL_TODS             0x0100
  42 #define IEEE80211_FCTL_FROMDS           0x0200
  43 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  44 #define IEEE80211_FCTL_RETRY            0x0800
  45 #define IEEE80211_FCTL_PM               0x1000
  46 #define IEEE80211_FCTL_MOREDATA         0x2000
  47 #define IEEE80211_FCTL_PROTECTED        0x4000
  48 #define IEEE80211_FCTL_ORDER            0x8000
  49 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  50
  51 #define IEEE80211_SCTL_FRAG             0x000F
  52 #define IEEE80211_SCTL_SEQ              0xFFF0
  53
  54 #define IEEE80211_FTYPE_MGMT            0x0000
  55 #define IEEE80211_FTYPE_CTL             0x0004
  56 #define IEEE80211_FTYPE_DATA            0x0008
  57 #define IEEE80211_FTYPE_EXT             0x000c
  58
  59 /* management */
  60 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  61 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  62 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  63 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  64 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  65 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  66 #define IEEE80211_STYPE_BEACON          0x0080
  67 #define IEEE80211_STYPE_ATIM            0x0090
  68 #define IEEE80211_STYPE_DISASSOC        0x00A0
  69 #define IEEE80211_STYPE_AUTH            0x00B0
  70 #define IEEE80211_STYPE_DEAUTH          0x00C0
  71 #define IEEE80211_STYPE_ACTION          0x00D0
  72
  73 /* control */
  74 #define IEEE80211_STYPE_CTL_EXT         0x0060
  75 #define IEEE80211_STYPE_BACK_REQ        0x0080
  76 #define IEEE80211_STYPE_BACK            0x0090
  77 #define IEEE80211_STYPE_PSPOLL          0x00A0
  78 #define IEEE80211_STYPE_RTS             0x00B0
  79 #define IEEE80211_STYPE_CTS             0x00C0
  80 #define IEEE80211_STYPE_ACK             0x00D0
  81 #define IEEE80211_STYPE_CFEND           0x00E0
  82 #define IEEE80211_STYPE_CFENDACK        0x00F0
  83
  84 /* data */
  85 #define IEEE80211_STYPE_DATA                    0x0000
  86 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  87 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  88 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  89 #define IEEE80211_STYPE_NULLFUNC                0x0040
  90 #define IEEE80211_STYPE_CFACK                   0x0050
  91 #define IEEE80211_STYPE_CFPOLL                  0x0060
  92 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  93 #define IEEE80211_STYPE_QOS_DATA                0x0080
  94 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  95 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  96 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  97 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  98 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  99 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 100 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 101
 102 /* extension, added by 802.11ad */
 103 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 104
 105 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 106 #define IEEE80211_CTL_EXT_POLL          0x2000
 107 #define IEEE80211_CTL_EXT_SPR           0x3000
 108 #define IEEE80211_CTL_EXT_GRANT 0x4000
 109 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 110 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 111 #define IEEE80211_CTL_EXT_SSW           0x8000
 112 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 113 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 114
 115
 116 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 117 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 118 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 119
 120 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 121 {
 122         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 123 }
 124
 125 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 126 {
 127         return (sn1 + sn2) & IEEE80211_SN_MASK;
 128 }
 129
 130 static inline u16 ieee80211_sn_inc(u16 sn)
 131 {
 132         return ieee80211_sn_add(sn, 1);
 133 }
 134
 135 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 136 {
 137         return (sn1 - sn2) & IEEE80211_SN_MASK;
 138 }
 139
 140 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 141 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 142
 143 /* miscellaneous IEEE 802.11 constants */
 144 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 145 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 146 #define IEEE80211_MAX_AID               2007
 147 #define IEEE80211_MAX_TIM_LEN           251
 148 #define IEEE80211_MAX_MESH_PEERINGS     63
 149 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 150    6.2.1.1.2.
 151
 152    802.11e clarifies the figure in section 7.1.2. The frame body is
 153    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 154 #define IEEE80211_MAX_DATA_LEN          2304
 155 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 156  * to 7920 bytes, see 8.2.3 General frame format
 157  */
 158 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 159 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 160 #define IEEE80211_MAX_FRAME_LEN         2352
 161
 162 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 163 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 164
 165 /* Maximal size of an A-MSDU */
 166 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 167 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 168
 169 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 170 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 171 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 172
 173 #define IEEE80211_MAX_SSID_LEN          32
 174
 175 #define IEEE80211_MAX_MESH_ID_LEN       32
 176
 177 #define IEEE80211_FIRST_TSPEC_TSID      8
 178 #define IEEE80211_NUM_TIDS              16
 179
 180 /* number of user priorities 802.11 uses */
 181 #define IEEE80211_NUM_UPS               8
 182
 183 #define IEEE80211_QOS_CTL_LEN           2
 184 /* 1d tag mask */
 185 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 186 /* TID mask */
 187 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 188 /* EOSP */
 189 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 190 /* ACK policy */
 191 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 192 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 193 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 194 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 195 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 196 /* A-MSDU 802.11n */
 197 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 198 /* Mesh Control 802.11s */
 199 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 200
 201 /* U-APSD queue for WMM IEs sent by AP */
 202 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 203 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 204
 205 /* U-APSD queues for WMM IEs sent by STA */
 206 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 207 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 208 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 209 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 210 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 211
 212 /* U-APSD max SP length for WMM IEs sent by STA */
 213 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 214 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 215 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 216 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 219
 220 #define IEEE80211_HT_CTL_LEN            4
 221
 222 struct ieee80211_hdr {
 223         __le16 frame_control;
 224         __le16 duration_id;
 225         u8 addr1[6];
 226         u8 addr2[6];
 227         u8 addr3[6];
 228         __le16 seq_ctrl;
 229         u8 addr4[6];
 230 } __packed __aligned(2);
 231
 232 struct ieee80211_hdr_3addr {
 233         __le16 frame_control;
 234         __le16 duration_id;
 235         u8 addr1[6];
 236         u8 addr2[6];
 237         u8 addr3[6];
 238         __le16 seq_ctrl;
 239 } __packed __aligned(2);
 240
 241 struct ieee80211_qos_hdr {
 242         __le16 frame_control;
 243         __le16 duration_id;
 244         u8 addr1[6];
 245         u8 addr2[6];
 246         u8 addr3[6];
 247         __le16 seq_ctrl;
 248         __le16 qos_ctrl;
 249 } __packed __aligned(2);
 250
 251 /**
 252  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 253  * @fc: frame control bytes in little-endian byteorder
 254  */
 255 static inline bool ieee80211_has_tods(__le16 fc)
 256 {
 257         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 258 }
 259
 260 /**
 261  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 262  * @fc: frame control bytes in little-endian byteorder
 263  */
 264 static inline bool ieee80211_has_fromds(__le16 fc)
 265 {
 266         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 267 }
 268
 269 /**
 270  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 271  * @fc: frame control bytes in little-endian byteorder
 272  */
 273 static inline bool ieee80211_has_a4(__le16 fc)
 274 {
 275         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 276         return (fc & tmp) == tmp;
 277 }
 278
 279 /**
 280  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 281  * @fc: frame control bytes in little-endian byteorder
 282  */
 283 static inline bool ieee80211_has_morefrags(__le16 fc)
 284 {
 285         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 286 }
 287
 288 /**
 289  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 290  * @fc: frame control bytes in little-endian byteorder
 291  */
 292 static inline bool ieee80211_has_retry(__le16 fc)
 293 {
 294         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 295 }
 296
 297 /**
 298  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 299  * @fc: frame control bytes in little-endian byteorder
 300  */
 301 static inline bool ieee80211_has_pm(__le16 fc)
 302 {
 303         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 304 }
 305
 306 /**
 307  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 308  * @fc: frame control bytes in little-endian byteorder
 309  */
 310 static inline bool ieee80211_has_moredata(__le16 fc)
 311 {
 312         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 313 }
 314
 315 /**
 316  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 317  * @fc: frame control bytes in little-endian byteorder
 318  */
 319 static inline bool ieee80211_has_protected(__le16 fc)
 320 {
 321         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 322 }
 323
 324 /**
 325  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 326  * @fc: frame control bytes in little-endian byteorder
 327  */
 328 static inline bool ieee80211_has_order(__le16 fc)
 329 {
 330         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 331 }
 332
 333 /**
 334  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 335  * @fc: frame control bytes in little-endian byteorder
 336  */
 337 static inline bool ieee80211_is_mgmt(__le16 fc)
 338 {
 339         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 340                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 341 }
 342
 343 /**
 344  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 345  * @fc: frame control bytes in little-endian byteorder
 346  */
 347 static inline bool ieee80211_is_ctl(__le16 fc)
 348 {
 349         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 350                cpu_to_le16(IEEE80211_FTYPE_CTL);
 351 }
 352
 353 /**
 354  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 355  * @fc: frame control bytes in little-endian byteorder
 356  */
 357 static inline bool ieee80211_is_data(__le16 fc)
 358 {
 359         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 360                cpu_to_le16(IEEE80211_FTYPE_DATA);
 361 }
 362
 363 /**
 364  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 365  * @fc: frame control bytes in little-endian byteorder
 366  */
 367 static inline bool ieee80211_is_data_qos(__le16 fc)
 368 {
 369         /*
 370          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 371          * to check the one bit
 372          */
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 374                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 375 }
 376
 377 /**
 378  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_is_data_present(__le16 fc)
 382 {
 383         /*
 384          * mask with 0x40 and test that that bit is clear to only return true
 385          * for the data-containing substypes.
 386          */
 387         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 388                cpu_to_le16(IEEE80211_FTYPE_DATA);
 389 }
 390
 391 /**
 392  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_is_assoc_req(__le16 fc)
 396 {
 397         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 398                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 399 }
 400
 401 /**
 402  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 403  * @fc: frame control bytes in little-endian byteorder
 404  */
 405 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 406 {
 407         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 408                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 409 }
 410
 411 /**
 412  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 413  * @fc: frame control bytes in little-endian byteorder
 414  */
 415 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 416 {
 417         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 418                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 419 }
 420
 421 /**
 422  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 423  * @fc: frame control bytes in little-endian byteorder
 424  */
 425 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 426 {
 427         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 428                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 429 }
 430
 431 /**
 432  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 433  * @fc: frame control bytes in little-endian byteorder
 434  */
 435 static inline bool ieee80211_is_probe_req(__le16 fc)
 436 {
 437         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 438                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 439 }
 440
 441 /**
 442  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 443  * @fc: frame control bytes in little-endian byteorder
 444  */
 445 static inline bool ieee80211_is_probe_resp(__le16 fc)
 446 {
 447         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 448                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 449 }
 450
 451 /**
 452  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 453  * @fc: frame control bytes in little-endian byteorder
 454  */
 455 static inline bool ieee80211_is_beacon(__le16 fc)
 456 {
 457         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 458                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 459 }
 460
 461 /**
 462  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 463  * @fc: frame control bytes in little-endian byteorder
 464  */
 465 static inline bool ieee80211_is_atim(__le16 fc)
 466 {
 467         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 468                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 469 }
 470
 471 /**
 472  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 473  * @fc: frame control bytes in little-endian byteorder
 474  */
 475 static inline bool ieee80211_is_disassoc(__le16 fc)
 476 {
 477         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 478                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 479 }
 480
 481 /**
 482  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 483  * @fc: frame control bytes in little-endian byteorder
 484  */
 485 static inline bool ieee80211_is_auth(__le16 fc)
 486 {
 487         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 488                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 489 }
 490
 491 /**
 492  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 493  * @fc: frame control bytes in little-endian byteorder
 494  */
 495 static inline bool ieee80211_is_deauth(__le16 fc)
 496 {
 497         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 498                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 499 }
 500
 501 /**
 502  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 503  * @fc: frame control bytes in little-endian byteorder
 504  */
 505 static inline bool ieee80211_is_action(__le16 fc)
 506 {
 507         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 508                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 509 }
 510
 511 /**
 512  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 513  * @fc: frame control bytes in little-endian byteorder
 514  */
 515 static inline bool ieee80211_is_back_req(__le16 fc)
 516 {
 517         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 518                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 519 }
 520
 521 /**
 522  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 523  * @fc: frame control bytes in little-endian byteorder
 524  */
 525 static inline bool ieee80211_is_back(__le16 fc)
 526 {
 527         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 528                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 529 }
 530
 531 /**
 532  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 533  * @fc: frame control bytes in little-endian byteorder
 534  */
 535 static inline bool ieee80211_is_pspoll(__le16 fc)
 536 {
 537         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 538                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 539 }
 540
 541 /**
 542  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 543  * @fc: frame control bytes in little-endian byteorder
 544  */
 545 static inline bool ieee80211_is_rts(__le16 fc)
 546 {
 547         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 548                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 549 }
 550
 551 /**
 552  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 553  * @fc: frame control bytes in little-endian byteorder
 554  */
 555 static inline bool ieee80211_is_cts(__le16 fc)
 556 {
 557         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 558                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 559 }
 560
 561 /**
 562  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 563  * @fc: frame control bytes in little-endian byteorder
 564  */
 565 static inline bool ieee80211_is_ack(__le16 fc)
 566 {
 567         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 568                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 569 }
 570
 571 /**
 572  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 573  * @fc: frame control bytes in little-endian byteorder
 574  */
 575 static inline bool ieee80211_is_cfend(__le16 fc)
 576 {
 577         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 578                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 579 }
 580
 581 /**
 582  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 583  * @fc: frame control bytes in little-endian byteorder
 584  */
 585 static inline bool ieee80211_is_cfendack(__le16 fc)
 586 {
 587         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 588                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 589 }
 590
 591 /**
 592  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 593  * @fc: frame control bytes in little-endian byteorder
 594  */
 595 static inline bool ieee80211_is_nullfunc(__le16 fc)
 596 {
 597         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 598                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 599 }
 600
 601 /**
 602  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 603  * @fc: frame control bytes in little-endian byteorder
 604  */
 605 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 606 {
 607         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 608                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 609 }
 610
 611 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 612 {
 613         unsigned int hdrlen = 24;
 614
 615         if (ieee80211_has_a4(fc))
 616                 hdrlen = 30;
 617
 618         if (ieee80211_is_data_qos(fc)) {
 619                 hdrlen += IEEE80211_QOS_CTL_LEN;
 620                 if (ieee80211_has_order(fc))
 621                         hdrlen += IEEE80211_HT_CTL_LEN;
 622         }
 623
 624         return hdrlen;
 625 }
 626
 627 /**
 628  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 629  * @fc: frame control field in little-endian byteorder
 630  */
 631 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 632 {
 633         /* IEEE 802.11-2012, definition of "bufferable management frame";
 634          * note that this ignores the IBSS special case. */
 635         return ieee80211_is_mgmt(fc) &&
 636                (ieee80211_is_action(fc) ||
 637                 ieee80211_is_disassoc(fc) ||
 638                 ieee80211_is_deauth(fc));
 639 }
 640
 641 /**
 642  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 643  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 644  */
 645 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 646 {
 647         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 648 }
 649
 650 /**
 651  * ieee80211_is_frag - check if a frame is a fragment
 652  * @hdr: 802.11 header of the frame
 653  */
 654 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 655 {
 656         return ieee80211_has_morefrags(hdr->frame_control) ||
 657                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 658 }
 659
 660 struct ieee80211s_hdr {
 661         u8 flags;
 662         u8 ttl;
 663         __le32 seqnum;
 664         u8 eaddr1[6];
 665         u8 eaddr2[6];
 666 } __packed __aligned(2);
 667
 668 /* Mesh flags */
 669 #define MESH_FLAGS_AE_A4        0x1
 670 #define MESH_FLAGS_AE_A5_A6     0x2
 671 #define MESH_FLAGS_AE           0x3
 672 #define MESH_FLAGS_PS_DEEP      0x4
 673
 674 /**
 675  * enum ieee80211_preq_flags - mesh PREQ element flags
 676  *
 677  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 678  */
 679 enum ieee80211_preq_flags {
 680         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 681 };
 682
 683 /**
 684  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 685  *
 686  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 687  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 688  */
 689 enum ieee80211_preq_target_flags {
 690         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 691         IEEE80211_PREQ_USN_FLAG = 1<<2,
 692 };
 693
 694 /**
 695  * struct ieee80211_quiet_ie
 696  *
 697  * This structure refers to "Quiet information element"
 698  */
 699 struct ieee80211_quiet_ie {
 700         u8 count;
 701         u8 period;
 702         __le16 duration;
 703         __le16 offset;
 704 } __packed;
 705
 706 /**
 707  * struct ieee80211_msrment_ie
 708  *
 709  * This structure refers to "Measurement Request/Report information element"
 710  */
 711 struct ieee80211_msrment_ie {
 712         u8 token;
 713         u8 mode;
 714         u8 type;
 715         u8 request[0];
 716 } __packed;
 717
 718 /**
 719  * struct ieee80211_channel_sw_ie
 720  *
 721  * This structure refers to "Channel Switch Announcement information element"
 722  */
 723 struct ieee80211_channel_sw_ie {
 724         u8 mode;
 725         u8 new_ch_num;
 726         u8 count;
 727 } __packed;
 728
 729 /**
 730  * struct ieee80211_ext_chansw_ie
 731  *
 732  * This structure represents the "Extended Channel Switch Announcement element"
 733  */
 734 struct ieee80211_ext_chansw_ie {
 735         u8 mode;
 736         u8 new_operating_class;
 737         u8 new_ch_num;
 738         u8 count;
 739 } __packed;
 740
 741 /**
 742  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 743  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 744  *      values here
 745  * This structure represents the "Secondary Channel Offset element"
 746  */
 747 struct ieee80211_sec_chan_offs_ie {
 748         u8 sec_chan_offs;
 749 } __packed;
 750
 751 /**
 752  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 753  *
 754  * This structure represents the "Mesh Channel Switch Paramters element"
 755  */
 756 struct ieee80211_mesh_chansw_params_ie {
 757         u8 mesh_ttl;
 758         u8 mesh_flags;
 759         __le16 mesh_reason;
 760         __le16 mesh_pre_value;
 761 } __packed;
 762
 763 /**
 764  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 765  */
 766 struct ieee80211_wide_bw_chansw_ie {
 767         u8 new_channel_width;
 768         u8 new_center_freq_seg0, new_center_freq_seg1;
 769 } __packed;
 770
 771 /**
 772  * struct ieee80211_tim
 773  *
 774  * This structure refers to "Traffic Indication Map information element"
 775  */
 776 struct ieee80211_tim_ie {
 777         u8 dtim_count;
 778         u8 dtim_period;
 779         u8 bitmap_ctrl;
 780         /* variable size: 1 - 251 bytes */
 781         u8 virtual_map[1];
 782 } __packed;
 783
 784 /**
 785  * struct ieee80211_meshconf_ie
 786  *
 787  * This structure refers to "Mesh Configuration information element"
 788  */
 789 struct ieee80211_meshconf_ie {
 790         u8 meshconf_psel;
 791         u8 meshconf_pmetric;
 792         u8 meshconf_congest;
 793         u8 meshconf_synch;
 794         u8 meshconf_auth;
 795         u8 meshconf_form;
 796         u8 meshconf_cap;
 797 } __packed;
 798
 799 /**
 800  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 801  *
 802  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 803  *      additional mesh peerings with other mesh STAs
 804  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 805  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 806  *      is ongoing
 807  */
 808 enum mesh_config_capab_flags {
 809         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 810         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 811         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 812 };
 813
 814 /**
 815  * mesh channel switch parameters element's flag indicator
 816  *
 817  */
 818 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 819 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 820 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 821
 822 /**
 823  * struct ieee80211_rann_ie
 824  *
 825  * This structure refers to "Root Announcement information element"
 826  */
 827 struct ieee80211_rann_ie {
 828         u8 rann_flags;
 829         u8 rann_hopcount;
 830         u8 rann_ttl;
 831         u8 rann_addr[6];
 832         __le32 rann_seq;
 833         __le32 rann_interval;
 834         __le32 rann_metric;
 835 } __packed;
 836
 837 enum ieee80211_rann_flags {
 838         RANN_FLAG_IS_GATE = 1 << 0,
 839 };
 840
 841 enum ieee80211_ht_chanwidth_values {
 842         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 843         IEEE80211_HT_CHANWIDTH_ANY = 1,
 844 };
 845
 846 /**
 847  * enum ieee80211_opmode_bits - VHT operating mode field bits
 848  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 849  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 850  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 853  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 854  *      (the NSS value is the value of this field + 1)
 855  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 856  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 857  *      using a beamforming steering matrix
 858  */
 859 enum ieee80211_vht_opmode_bits {
 860         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 861         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 862         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 863         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 864         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 865         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 866         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 867         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 868 };
 869
 870 #define WLAN_SA_QUERY_TR_ID_LEN 2
 871 #define WLAN_MEMBERSHIP_LEN 8
 872 #define WLAN_USER_POSITION_LEN 16
 873
 874 /**
 875  * struct ieee80211_tpc_report_ie
 876  *
 877  * This structure refers to "TPC Report element"
 878  */
 879 struct ieee80211_tpc_report_ie {
 880         u8 tx_power;
 881         u8 link_margin;
 882 } __packed;
 883
 884 struct ieee80211_mgmt {
 885         __le16 frame_control;
 886         __le16 duration;
 887         u8 da[6];
 888         u8 sa[6];
 889         u8 bssid[6];
 890         __le16 seq_ctrl;
 891         union {
 892                 struct {
 893                         __le16 auth_alg;
 894                         __le16 auth_transaction;
 895                         __le16 status_code;
 896                         /* possibly followed by Challenge text */
 897                         u8 variable[0];
 898                 } __packed auth;
 899                 struct {
 900                         __le16 reason_code;
 901                 } __packed deauth;
 902                 struct {
 903                         __le16 capab_info;
 904                         __le16 listen_interval;
 905                         /* followed by SSID and Supported rates */
 906                         u8 variable[0];
 907                 } __packed assoc_req;
 908                 struct {
 909                         __le16 capab_info;
 910                         __le16 status_code;
 911                         __le16 aid;
 912                         /* followed by Supported rates */
 913                         u8 variable[0];
 914                 } __packed assoc_resp, reassoc_resp;
 915                 struct {
 916                         __le16 capab_info;
 917                         __le16 listen_interval;
 918                         u8 current_ap[6];
 919                         /* followed by SSID and Supported rates */
 920                         u8 variable[0];
 921                 } __packed reassoc_req;
 922                 struct {
 923                         __le16 reason_code;
 924                 } __packed disassoc;
 925                 struct {
 926                         __le64 timestamp;
 927                         __le16 beacon_int;
 928                         __le16 capab_info;
 929                         /* followed by some of SSID, Supported rates,
 930                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 931                         u8 variable[0];
 932                 } __packed beacon;
 933                 struct {
 934                         /* only variable items: SSID, Supported rates */
 935                         u8 variable[0];
 936                 } __packed probe_req;
 937                 struct {
 938                         __le64 timestamp;
 939                         __le16 beacon_int;
 940                         __le16 capab_info;
 941                         /* followed by some of SSID, Supported rates,
 942                          * FH Params, DS Params, CF Params, IBSS Params */
 943                         u8 variable[0];
 944                 } __packed probe_resp;
 945                 struct {
 946                         u8 category;
 947                         union {
 948                                 struct {
 949                                         u8 action_code;
 950                                         u8 dialog_token;
 951                                         u8 status_code;
 952                                         u8 variable[0];
 953                                 } __packed wme_action;
 954                                 struct{
 955                                         u8 action_code;
 956                                         u8 variable[0];
 957                                 } __packed chan_switch;
 958                                 struct{
 959                                         u8 action_code;
 960                                         struct ieee80211_ext_chansw_ie data;
 961                                         u8 variable[0];
 962                                 } __packed ext_chan_switch;
 963                                 struct{
 964                                         u8 action_code;
 965                                         u8 dialog_token;
 966                                         u8 element_id;
 967                                         u8 length;
 968                                         struct ieee80211_msrment_ie msr_elem;
 969                                 } __packed measurement;
 970                                 struct{
 971                                         u8 action_code;
 972                                         u8 dialog_token;
 973                                         __le16 capab;
 974                                         __le16 timeout;
 975                                         __le16 start_seq_num;
 976                                 } __packed addba_req;
 977                                 struct{
 978                                         u8 action_code;
 979                                         u8 dialog_token;
 980                                         __le16 status;
 981                                         __le16 capab;
 982                                         __le16 timeout;
 983                                 } __packed addba_resp;
 984                                 struct{
 985                                         u8 action_code;
 986                                         __le16 params;
 987                                         __le16 reason_code;
 988                                 } __packed delba;
 989                                 struct {
 990                                         u8 action_code;
 991                                         u8 variable[0];
 992                                 } __packed self_prot;
 993                                 struct{
 994                                         u8 action_code;
 995                                         u8 variable[0];
 996                                 } __packed mesh_action;
 997                                 struct {
 998                                         u8 action;
 999                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1000                                 } __packed sa_query;
1001                                 struct {
1002                                         u8 action;
1003                                         u8 smps_control;
1004                                 } __packed ht_smps;
1005                                 struct {
1006                                         u8 action_code;
1007                                         u8 chanwidth;
1008                                 } __packed ht_notify_cw;
1009                                 struct {
1010                                         u8 action_code;
1011                                         u8 dialog_token;
1012                                         __le16 capability;
1013                                         u8 variable[0];
1014                                 } __packed tdls_discover_resp;
1015                                 struct {
1016                                         u8 action_code;
1017                                         u8 operating_mode;
1018                                 } __packed vht_opmode_notif;
1019                                 struct {
1020                                         u8 action_code;
1021                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1022                                         u8 position[WLAN_USER_POSITION_LEN];
1023                                 } __packed vht_group_notif;
1024                                 struct {
1025                                         u8 action_code;
1026                                         u8 dialog_token;
1027                                         u8 tpc_elem_id;
1028                                         u8 tpc_elem_length;
1029                                         struct ieee80211_tpc_report_ie tpc;
1030                                 } __packed tpc_report;
1031                                 struct {
1032                                         u8 action_code;
1033                                         u8 dialog_token;
1034                                         u8 follow_up;
1035                                         u8 tod[6];
1036                                         u8 toa[6];
1037                                         __le16 tod_error;
1038                                         __le16 toa_error;
1039                                         u8 variable[0];
1040                                 } __packed ftm;
1041                         } u;
1042                 } __packed action;
1043         } u;
1044 } __packed __aligned(2);
1045
1046 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1047 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1048
1049 /* mgmt header + 1 byte category code */
1050 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1051
1052
1053 /* Management MIC information element (IEEE 802.11w) */
1054 struct ieee80211_mmie {
1055         u8 element_id;
1056         u8 length;
1057         __le16 key_id;
1058         u8 sequence_number[6];
1059         u8 mic[8];
1060 } __packed;
1061
1062 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1063 struct ieee80211_mmie_16 {
1064         u8 element_id;
1065         u8 length;
1066         __le16 key_id;
1067         u8 sequence_number[6];
1068         u8 mic[16];
1069 } __packed;
1070
1071 struct ieee80211_vendor_ie {
1072         u8 element_id;
1073         u8 len;
1074         u8 oui[3];
1075         u8 oui_type;
1076 } __packed;
1077
1078 struct ieee80211_wmm_ac_param {
1079         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1080         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1081         __le16 txop_limit;
1082 } __packed;
1083
1084 struct ieee80211_wmm_param_ie {
1085         u8 element_id; /* Element ID: 221 (0xdd); */
1086         u8 len; /* Length: 24 */
1087         /* required fields for WMM version 1 */
1088         u8 oui[3]; /* 00:50:f2 */
1089         u8 oui_type; /* 2 */
1090         u8 oui_subtype; /* 1 */
1091         u8 version; /* 1 for WMM version 1.0 */
1092         u8 qos_info; /* AP/STA specific QoS info */
1093         u8 reserved; /* 0 */
1094         /* AC_BE, AC_BK, AC_VI, AC_VO */
1095         struct ieee80211_wmm_ac_param ac[4];
1096 } __packed;
1097
1098 /* Control frames */
1099 struct ieee80211_rts {
1100         __le16 frame_control;
1101         __le16 duration;
1102         u8 ra[6];
1103         u8 ta[6];
1104 } __packed __aligned(2);
1105
1106 struct ieee80211_cts {
1107         __le16 frame_control;
1108         __le16 duration;
1109         u8 ra[6];
1110 } __packed __aligned(2);
1111
1112 struct ieee80211_pspoll {
1113         __le16 frame_control;
1114         __le16 aid;
1115         u8 bssid[6];
1116         u8 ta[6];
1117 } __packed __aligned(2);
1118
1119 /* TDLS */
1120
1121 /* Channel switch timing */
1122 struct ieee80211_ch_switch_timing {
1123         __le16 switch_time;
1124         __le16 switch_timeout;
1125 } __packed;
1126
1127 /* Link-id information element */
1128 struct ieee80211_tdls_lnkie {
1129         u8 ie_type; /* Link Identifier IE */
1130         u8 ie_len;
1131         u8 bssid[6];
1132         u8 init_sta[6];
1133         u8 resp_sta[6];
1134 } __packed;
1135
1136 struct ieee80211_tdls_data {
1137         u8 da[6];
1138         u8 sa[6];
1139         __be16 ether_type;
1140         u8 payload_type;
1141         u8 category;
1142         u8 action_code;
1143         union {
1144                 struct {
1145                         u8 dialog_token;
1146                         __le16 capability;
1147                         u8 variable[0];
1148                 } __packed setup_req;
1149                 struct {
1150                         __le16 status_code;
1151                         u8 dialog_token;
1152                         __le16 capability;
1153                         u8 variable[0];
1154                 } __packed setup_resp;
1155                 struct {
1156                         __le16 status_code;
1157                         u8 dialog_token;
1158                         u8 variable[0];
1159                 } __packed setup_cfm;
1160                 struct {
1161                         __le16 reason_code;
1162                         u8 variable[0];
1163                 } __packed teardown;
1164                 struct {
1165                         u8 dialog_token;
1166                         u8 variable[0];
1167                 } __packed discover_req;
1168                 struct {
1169                         u8 target_channel;
1170                         u8 oper_class;
1171                         u8 variable[0];
1172                 } __packed chan_switch_req;
1173                 struct {
1174                         __le16 status_code;
1175                         u8 variable[0];
1176                 } __packed chan_switch_resp;
1177         } u;
1178 } __packed;
1179
1180 /*
1181  * Peer-to-Peer IE attribute related definitions.
1182  */
1183 /**
1184  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1185  */
1186 enum ieee80211_p2p_attr_id {
1187         IEEE80211_P2P_ATTR_STATUS = 0,
1188         IEEE80211_P2P_ATTR_MINOR_REASON,
1189         IEEE80211_P2P_ATTR_CAPABILITY,
1190         IEEE80211_P2P_ATTR_DEVICE_ID,
1191         IEEE80211_P2P_ATTR_GO_INTENT,
1192         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1193         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1194         IEEE80211_P2P_ATTR_GROUP_BSSID,
1195         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1196         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1197         IEEE80211_P2P_ATTR_MANAGABILITY,
1198         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1199         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1200         IEEE80211_P2P_ATTR_DEVICE_INFO,
1201         IEEE80211_P2P_ATTR_GROUP_INFO,
1202         IEEE80211_P2P_ATTR_GROUP_ID,
1203         IEEE80211_P2P_ATTR_INTERFACE,
1204         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1205         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1206         /* 19 - 220: Reserved */
1207         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1208
1209         IEEE80211_P2P_ATTR_MAX
1210 };
1211
1212 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1213 /* Typical max value used here */
1214 #define IEEE80211_P2P_NOA_DESC_MAX      4
1215
1216 struct ieee80211_p2p_noa_desc {
1217         u8 count;
1218         __le32 duration;
1219         __le32 interval;
1220         __le32 start_time;
1221 } __packed;
1222
1223 struct ieee80211_p2p_noa_attr {
1224         u8 index;
1225         u8 oppps_ctwindow;
1226         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1227 } __packed;
1228
1229 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1230 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1231
1232 /**
1233  * struct ieee80211_bar - HT Block Ack Request
1234  *
1235  * This structure refers to "HT BlockAckReq" as
1236  * described in 802.11n draft section 7.2.1.7.1
1237  */
1238 struct ieee80211_bar {
1239         __le16 frame_control;
1240         __le16 duration;
1241         __u8 ra[6];
1242         __u8 ta[6];
1243         __le16 control;
1244         __le16 start_seq_num;
1245 } __packed __aligned(4);
1246
1247 /* 802.11 BA(R) control masks */
1248 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1249 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1250 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1251 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1252 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1253
1254 /**
1255  * struct ieee80211_ba - HT Block Ack
1256  *
1257  * This structure refers to "HT BlockAck" as
1258  * described in 802.11n draft section 7.2.1.8.1
1259  */
1260 struct ieee80211_ba {
1261         __le16 frame_control;
1262         __le16 duration;
1263         u8 ra[6];
1264         u8 ta[6];
1265         __le16 control;
1266
1267         __le16 start_seq_num;
1268         u8 bitmap[8];
1269 } __packed;
1270
1271 #define IEEE80211_HT_MCS_MASK_LEN               10
1272
1273 /**
1274  * struct ieee80211_mcs_info - MCS information
1275  * @rx_mask: RX mask
1276  * @rx_highest: highest supported RX rate. If set represents
1277  *      the highest supported RX data rate in units of 1 Mbps.
1278  *      If this field is 0 this value should not be used to
1279  *      consider the highest RX data rate supported.
1280  * @tx_params: TX parameters
1281  */
1282 struct ieee80211_mcs_info {
1283         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1284         __le16 rx_highest;
1285         u8 tx_params;
1286         u8 reserved[3];
1287 } __packed;
1288
1289 /* 802.11n HT capability MSC set */
1290 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1291 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1292 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1293 /* value 0 == 1 stream etc */
1294 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1295 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1296 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1297 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1298
1299 /*
1300  * 802.11n D5.0 20.3.5 / 20.6 says:
1301  * - indices 0 to 7 and 32 are single spatial stream
1302  * - 8 to 31 are multiple spatial streams using equal modulation
1303  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1304  * - remainder are multiple spatial streams using unequal modulation
1305  */
1306 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1307 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1308         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1309
1310 /**
1311  * struct ieee80211_ht_cap - HT capabilities
1312  *
1313  * This structure is the "HT capabilities element" as
1314  * described in 802.11n D5.0 7.3.2.57
1315  */
1316 struct ieee80211_ht_cap {
1317         __le16 cap_info;
1318         u8 ampdu_params_info;
1319
1320         /* 16 bytes MCS information */
1321         struct ieee80211_mcs_info mcs;
1322
1323         __le16 extended_ht_cap_info;
1324         __le32 tx_BF_cap_info;
1325         u8 antenna_selection_info;
1326 } __packed;
1327
1328 /* 802.11n HT capabilities masks (for cap_info) */
1329 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1330 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1331 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1332 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1333 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1334 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1335 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1336 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1337 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1338 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1339 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1340 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1341 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1342 #define IEEE80211_HT_CAP_RESERVED               0x2000
1343 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1344 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1345
1346 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1347 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1348 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1349 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1350 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1351 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1352 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1353 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1354
1355 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1356 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1357 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1358 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1359
1360 /*
1361  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1362  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1363  */
1364 enum ieee80211_max_ampdu_length_exp {
1365         IEEE80211_HT_MAX_AMPDU_8K = 0,
1366         IEEE80211_HT_MAX_AMPDU_16K = 1,
1367         IEEE80211_HT_MAX_AMPDU_32K = 2,
1368         IEEE80211_HT_MAX_AMPDU_64K = 3
1369 };
1370
1371 /*
1372  * Maximum length of AMPDU that the STA can receive in VHT.
1373  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1374  */
1375 enum ieee80211_vht_max_ampdu_length_exp {
1376         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1377         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1378         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1379         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1380         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1381         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1382         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1383         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1384 };
1385
1386 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1387
1388 /* Minimum MPDU start spacing */
1389 enum ieee80211_min_mpdu_spacing {
1390         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1391         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1392         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1393         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1394         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1395         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1396         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1397         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1398 };
1399
1400 /**
1401  * struct ieee80211_ht_operation - HT operation IE
1402  *
1403  * This structure is the "HT operation element" as
1404  * described in 802.11n-2009 7.3.2.57
1405  */
1406 struct ieee80211_ht_operation {
1407         u8 primary_chan;
1408         u8 ht_param;
1409         __le16 operation_mode;
1410         __le16 stbc_param;
1411         u8 basic_set[16];
1412 } __packed;
1413
1414 /* for ht_param */
1415 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1416 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1417 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1418 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1419 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1420 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1421
1422 /* for operation_mode */
1423 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1424 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1425 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1426 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1427 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1428 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1429 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1430
1431 /* for stbc_param */
1432 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1433 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1434 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1435 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1436 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1437 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1438
1439
1440 /* block-ack parameters */
1441 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1442 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1443 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1444 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1445 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1446 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1447
1448 /*
1449  * A-PMDU buffer sizes
1450  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1451  */
1452 #define IEEE80211_MIN_AMPDU_BUF 0x8
1453 #define IEEE80211_MAX_AMPDU_BUF 0x40
1454
1455
1456 /* Spatial Multiplexing Power Save Modes (for capability) */
1457 #define WLAN_HT_CAP_SM_PS_STATIC        0
1458 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1459 #define WLAN_HT_CAP_SM_PS_INVALID       2
1460 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1461
1462 /* for SM power control field lower two bits */
1463 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1464 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1465 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1466
1467 /**
1468  * struct ieee80211_vht_mcs_info - VHT MCS information
1469  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1470  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1471  *      STA can receive. Rate expressed in units of 1 Mbps.
1472  *      If this field is 0 this value should not be used to
1473  *      consider the highest RX data rate supported.
1474  *      The top 3 bits of this field are reserved.
1475  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1476  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1477  *      STA can transmit. Rate expressed in units of 1 Mbps.
1478  *      If this field is 0 this value should not be used to
1479  *      consider the highest TX data rate supported.
1480  *      The top 3 bits of this field are reserved.
1481  */
1482 struct ieee80211_vht_mcs_info {
1483         __le16 rx_mcs_map;
1484         __le16 rx_highest;
1485         __le16 tx_mcs_map;
1486         __le16 tx_highest;
1487 } __packed;
1488
1489 /**
1490  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1491  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1492  *      number of streams
1493  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1494  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1495  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1496  *
1497  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1498  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1499  * both split into 8 subfields by number of streams. These values indicate
1500  * which MCSes are supported for the number of streams the value appears
1501  * for.
1502  */
1503 enum ieee80211_vht_mcs_support {
1504         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1505         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1506         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1507         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1508 };
1509
1510 /**
1511  * struct ieee80211_vht_cap - VHT capabilities
1512  *
1513  * This structure is the "VHT capabilities element" as
1514  * described in 802.11ac D3.0 8.4.2.160
1515  * @vht_cap_info: VHT capability info
1516  * @supp_mcs: VHT MCS supported rates
1517  */
1518 struct ieee80211_vht_cap {
1519         __le32 vht_cap_info;
1520         struct ieee80211_vht_mcs_info supp_mcs;
1521 } __packed;
1522
1523 /**
1524  * enum ieee80211_vht_chanwidth - VHT channel width
1525  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1526  *      determine the channel width (20 or 40 MHz)
1527  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1528  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1529  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1530  */
1531 enum ieee80211_vht_chanwidth {
1532         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1533         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1534         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1535         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1536 };
1537
1538 /**
1539  * struct ieee80211_vht_operation - VHT operation IE
1540  *
1541  * This structure is the "VHT operation element" as
1542  * described in 802.11ac D3.0 8.4.2.161
1543  * @chan_width: Operating channel width
1544  * @center_freq_seg1_idx: center freq segment 1 index
1545  * @center_freq_seg2_idx: center freq segment 2 index
1546  * @basic_mcs_set: VHT Basic MCS rate set
1547  */
1548 struct ieee80211_vht_operation {
1549         u8 chan_width;
1550         u8 center_freq_seg1_idx;
1551         u8 center_freq_seg2_idx;
1552         __le16 basic_mcs_set;
1553 } __packed;
1554
1555
1556 /* 802.11ac VHT Capabilities */
1557 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1558 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1559 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1560 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1561 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1562 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1563 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1564 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1565 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1566 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1567 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1568 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1569 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1570 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1571 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1572 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1573 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1574 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1575 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1576                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1577 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1578 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1579                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1580 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1581 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1582 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1583 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1584 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1585 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1586                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1587 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1588 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1589 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1590 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1591
1592 /* Authentication algorithms */
1593 #define WLAN_AUTH_OPEN 0
1594 #define WLAN_AUTH_SHARED_KEY 1
1595 #define WLAN_AUTH_FT 2
1596 #define WLAN_AUTH_SAE 3
1597 #define WLAN_AUTH_FILS_SK 4
1598 #define WLAN_AUTH_FILS_SK_PFS 5
1599 #define WLAN_AUTH_FILS_PK 6
1600 #define WLAN_AUTH_LEAP 128
1601
1602 #define WLAN_AUTH_CHALLENGE_LEN 128
1603
1604 #define WLAN_CAPABILITY_ESS             (1<<0)
1605 #define WLAN_CAPABILITY_IBSS            (1<<1)
1606
1607 /*
1608  * A mesh STA sets the ESS and IBSS capability bits to zero.
1609  * however, this holds true for p2p probe responses (in the p2p_find
1610  * phase) as well.
1611  */
1612 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1613         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1614
1615 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1616 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1617 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1618 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1619 #define WLAN_CAPABILITY_PBCC            (1<<6)
1620 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1621
1622 /* 802.11h */
1623 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1624 #define WLAN_CAPABILITY_QOS             (1<<9)
1625 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1626 #define WLAN_CAPABILITY_APSD            (1<<11)
1627 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1628 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1629 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1630 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1631
1632 /* DMG (60gHz) 802.11ad */
1633 /* type - bits 0..1 */
1634 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1635 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1636 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1637 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1638
1639 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1640 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1641 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1642 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1643
1644 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1645 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1646
1647 /* measurement */
1648 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1649 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1650 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1651
1652 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1653 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1654 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1655
1656 /* 802.11g ERP information element */
1657 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1658 #define WLAN_ERP_USE_PROTECTION (1<<1)
1659 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1660
1661 /* WLAN_ERP_BARKER_PREAMBLE values */
1662 enum {
1663         WLAN_ERP_PREAMBLE_SHORT = 0,
1664         WLAN_ERP_PREAMBLE_LONG = 1,
1665 };
1666
1667 /* Band ID, 802.11ad #8.4.1.45 */
1668 enum {
1669         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1670         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1671         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1672         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1673         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1674         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1675 };
1676
1677 /* Status codes */
1678 enum ieee80211_statuscode {
1679         WLAN_STATUS_SUCCESS = 0,
1680         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1681         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1682         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1683         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1684         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1685         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1686         WLAN_STATUS_CHALLENGE_FAIL = 15,
1687         WLAN_STATUS_AUTH_TIMEOUT = 16,
1688         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1689         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1690         /* 802.11b */
1691         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1692         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1693         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1694         /* 802.11h */
1695         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1696         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1697         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1698         /* 802.11g */
1699         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1700         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1701         /* 802.11w */
1702         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1703         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1704         /* 802.11i */
1705         WLAN_STATUS_INVALID_IE = 40,
1706         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1707         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1708         WLAN_STATUS_INVALID_AKMP = 43,
1709         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1710         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1711         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1712         /* 802.11e */
1713         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1714         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1715         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1716         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1717         WLAN_STATUS_REQUEST_DECLINED = 37,
1718         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1719         WLAN_STATUS_CHANGE_TSPEC = 39,
1720         WLAN_STATUS_WAIT_TS_DELAY = 47,
1721         WLAN_STATUS_NO_DIRECT_LINK = 48,
1722         WLAN_STATUS_STA_NOT_PRESENT = 49,
1723         WLAN_STATUS_STA_NOT_QSTA = 50,
1724         /* 802.11s */
1725         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1726         WLAN_STATUS_FCG_NOT_SUPP = 78,
1727         WLAN_STATUS_STA_NO_TBTT = 78,
1728         /* 802.11ad */
1729         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1730         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1731         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1732         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1733         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1734         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1735         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1736         WLAN_STATUS_REJECT_DSE_BAND = 96,
1737         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1738         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1739 };
1740
1741
1742 /* Reason codes */
1743 enum ieee80211_reasoncode {
1744         WLAN_REASON_UNSPECIFIED = 1,
1745         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1746         WLAN_REASON_DEAUTH_LEAVING = 3,
1747         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1748         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1749         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1750         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1751         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1752         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1753         /* 802.11h */
1754         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1755         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1756         /* 802.11i */
1757         WLAN_REASON_INVALID_IE = 13,
1758         WLAN_REASON_MIC_FAILURE = 14,
1759         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1760         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1761         WLAN_REASON_IE_DIFFERENT = 17,
1762         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1763         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1764         WLAN_REASON_INVALID_AKMP = 20,
1765         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1766         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1767         WLAN_REASON_IEEE8021X_FAILED = 23,
1768         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1769         /* TDLS (802.11z) */
1770         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1771         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1772         /* 802.11e */
1773         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1774         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1775         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1776         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1777         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1778         WLAN_REASON_QSTA_NOT_USE = 37,
1779         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1780         WLAN_REASON_QSTA_TIMEOUT = 39,
1781         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1782         /* 802.11s */
1783         WLAN_REASON_MESH_PEER_CANCELED = 52,
1784         WLAN_REASON_MESH_MAX_PEERS = 53,
1785         WLAN_REASON_MESH_CONFIG = 54,
1786         WLAN_REASON_MESH_CLOSE = 55,
1787         WLAN_REASON_MESH_MAX_RETRIES = 56,
1788         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1789         WLAN_REASON_MESH_INVALID_GTK = 58,
1790         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1791         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1792         WLAN_REASON_MESH_PATH_ERROR = 61,
1793         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1794         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1795         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1796         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1797         WLAN_REASON_MESH_CHAN = 66,
1798 };
1799
1800
1801 /* Information Element IDs */
1802 enum ieee80211_eid {
1803         WLAN_EID_SSID = 0,
1804         WLAN_EID_SUPP_RATES = 1,
1805         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1806         WLAN_EID_DS_PARAMS = 3,
1807         WLAN_EID_CF_PARAMS = 4,
1808         WLAN_EID_TIM = 5,
1809         WLAN_EID_IBSS_PARAMS = 6,
1810         WLAN_EID_COUNTRY = 7,
1811         /* 8, 9 reserved */
1812         WLAN_EID_REQUEST = 10,
1813         WLAN_EID_QBSS_LOAD = 11,
1814         WLAN_EID_EDCA_PARAM_SET = 12,
1815         WLAN_EID_TSPEC = 13,
1816         WLAN_EID_TCLAS = 14,
1817         WLAN_EID_SCHEDULE = 15,
1818         WLAN_EID_CHALLENGE = 16,
1819         /* 17-31 reserved for challenge text extension */
1820         WLAN_EID_PWR_CONSTRAINT = 32,
1821         WLAN_EID_PWR_CAPABILITY = 33,
1822         WLAN_EID_TPC_REQUEST = 34,
1823         WLAN_EID_TPC_REPORT = 35,
1824         WLAN_EID_SUPPORTED_CHANNELS = 36,
1825         WLAN_EID_CHANNEL_SWITCH = 37,
1826         WLAN_EID_MEASURE_REQUEST = 38,
1827         WLAN_EID_MEASURE_REPORT = 39,
1828         WLAN_EID_QUIET = 40,
1829         WLAN_EID_IBSS_DFS = 41,
1830         WLAN_EID_ERP_INFO = 42,
1831         WLAN_EID_TS_DELAY = 43,
1832         WLAN_EID_TCLAS_PROCESSING = 44,
1833         WLAN_EID_HT_CAPABILITY = 45,
1834         WLAN_EID_QOS_CAPA = 46,
1835         /* 47 reserved for Broadcom */
1836         WLAN_EID_RSN = 48,
1837         WLAN_EID_802_15_COEX = 49,
1838         WLAN_EID_EXT_SUPP_RATES = 50,
1839         WLAN_EID_AP_CHAN_REPORT = 51,
1840         WLAN_EID_NEIGHBOR_REPORT = 52,
1841         WLAN_EID_RCPI = 53,
1842         WLAN_EID_MOBILITY_DOMAIN = 54,
1843         WLAN_EID_FAST_BSS_TRANSITION = 55,
1844         WLAN_EID_TIMEOUT_INTERVAL = 56,
1845         WLAN_EID_RIC_DATA = 57,
1846         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1847         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1848         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1849         WLAN_EID_HT_OPERATION = 61,
1850         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1851         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1852         WLAN_EID_ANTENNA_INFO = 64,
1853         WLAN_EID_RSNI = 65,
1854         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1855         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1856         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1857         WLAN_EID_TIME_ADVERTISEMENT = 69,
1858         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1859         WLAN_EID_MULTIPLE_BSSID = 71,
1860         WLAN_EID_BSS_COEX_2040 = 72,
1861         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1862         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1863         WLAN_EID_RIC_DESCRIPTOR = 75,
1864         WLAN_EID_MMIE = 76,
1865         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1866         WLAN_EID_EVENT_REQUEST = 78,
1867         WLAN_EID_EVENT_REPORT = 79,
1868         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1869         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1870         WLAN_EID_LOCATION_PARAMS = 82,
1871         WLAN_EID_NON_TX_BSSID_CAP =  83,
1872         WLAN_EID_SSID_LIST = 84,
1873         WLAN_EID_MULTI_BSSID_IDX = 85,
1874         WLAN_EID_FMS_DESCRIPTOR = 86,
1875         WLAN_EID_FMS_REQUEST = 87,
1876         WLAN_EID_FMS_RESPONSE = 88,
1877         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1878         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1879         WLAN_EID_TSF_REQUEST = 91,
1880         WLAN_EID_TSF_RESPOSNE = 92,
1881         WLAN_EID_WNM_SLEEP_MODE = 93,
1882         WLAN_EID_TIM_BCAST_REQ = 94,
1883         WLAN_EID_TIM_BCAST_RESP = 95,
1884         WLAN_EID_COLL_IF_REPORT = 96,
1885         WLAN_EID_CHANNEL_USAGE = 97,
1886         WLAN_EID_TIME_ZONE = 98,
1887         WLAN_EID_DMS_REQUEST = 99,
1888         WLAN_EID_DMS_RESPONSE = 100,
1889         WLAN_EID_LINK_ID = 101,
1890         WLAN_EID_WAKEUP_SCHEDUL = 102,
1891         /* 103 reserved */
1892         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1893         WLAN_EID_PTI_CONTROL = 105,
1894         WLAN_EID_PU_BUFFER_STATUS = 106,
1895         WLAN_EID_INTERWORKING = 107,
1896         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1897         WLAN_EID_EXPEDITED_BW_REQ = 109,
1898         WLAN_EID_QOS_MAP_SET = 110,
1899         WLAN_EID_ROAMING_CONSORTIUM = 111,
1900         WLAN_EID_EMERGENCY_ALERT = 112,
1901         WLAN_EID_MESH_CONFIG = 113,
1902         WLAN_EID_MESH_ID = 114,
1903         WLAN_EID_LINK_METRIC_REPORT = 115,
1904         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1905         WLAN_EID_PEER_MGMT = 117,
1906         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1907         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1908         WLAN_EID_BEACON_TIMING = 120,
1909         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1910         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1911         WLAN_EID_MCCAOP_ADVERT = 123,
1912         WLAN_EID_MCCAOP_TEARDOWN = 124,
1913         WLAN_EID_GANN = 125,
1914         WLAN_EID_RANN = 126,
1915         WLAN_EID_EXT_CAPABILITY = 127,
1916         /* 128, 129 reserved for Agere */
1917         WLAN_EID_PREQ = 130,
1918         WLAN_EID_PREP = 131,
1919         WLAN_EID_PERR = 132,
1920         /* 133-136 reserved for Cisco */
1921         WLAN_EID_PXU = 137,
1922         WLAN_EID_PXUC = 138,
1923         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1924         WLAN_EID_MIC = 140,
1925         WLAN_EID_DESTINATION_URI = 141,
1926         WLAN_EID_UAPSD_COEX = 142,
1927         WLAN_EID_WAKEUP_SCHEDULE = 143,
1928         WLAN_EID_EXT_SCHEDULE = 144,
1929         WLAN_EID_STA_AVAILABILITY = 145,
1930         WLAN_EID_DMG_TSPEC = 146,
1931         WLAN_EID_DMG_AT = 147,
1932         WLAN_EID_DMG_CAP = 148,
1933         /* 149 reserved for Cisco */
1934         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1935         WLAN_EID_DMG_OPERATION = 151,
1936         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1937         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1938         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1939         /* 155-156 reserved for Cisco */
1940         WLAN_EID_AWAKE_WINDOW = 157,
1941         WLAN_EID_MULTI_BAND = 158,
1942         WLAN_EID_ADDBA_EXT = 159,
1943         WLAN_EID_NEXT_PCP_LIST = 160,
1944         WLAN_EID_PCP_HANDOVER = 161,
1945         WLAN_EID_DMG_LINK_MARGIN = 162,
1946         WLAN_EID_SWITCHING_STREAM = 163,
1947         WLAN_EID_SESSION_TRANSITION = 164,
1948         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1949         WLAN_EID_CLUSTER_REPORT = 166,
1950         WLAN_EID_RELAY_CAP = 167,
1951         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1952         WLAN_EID_BEAM_LINK_MAINT = 169,
1953         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1954         WLAN_EID_U_PID = 171,
1955         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1956         /* 173 reserved for Symbol */
1957         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1958         WLAN_EID_QUIET_PERIOD_REQ = 175,
1959         /* 176 reserved for Symbol */
1960         WLAN_EID_QUIET_PERIOD_RESP = 177,
1961         /* 178-179 reserved for Symbol */
1962         /* 180 reserved for ISO/IEC 20011 */
1963         WLAN_EID_EPAC_POLICY = 182,
1964         WLAN_EID_CLISTER_TIME_OFF = 183,
1965         WLAN_EID_INTER_AC_PRIO = 184,
1966         WLAN_EID_SCS_DESCRIPTOR = 185,
1967         WLAN_EID_QLOAD_REPORT = 186,
1968         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1969         WLAN_EID_HL_STREAM_ID = 188,
1970         WLAN_EID_GCR_GROUP_ADDR = 189,
1971         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1972         WLAN_EID_VHT_CAPABILITY = 191,
1973         WLAN_EID_VHT_OPERATION = 192,
1974         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1975         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1976         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1977         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1978         WLAN_EID_AID = 197,
1979         WLAN_EID_QUIET_CHANNEL = 198,
1980         WLAN_EID_OPMODE_NOTIF = 199,
1981
1982         WLAN_EID_VENDOR_SPECIFIC = 221,
1983         WLAN_EID_QOS_PARAMETER = 222,
1984         WLAN_EID_CAG_NUMBER = 237,
1985         WLAN_EID_AP_CSN = 239,
1986         WLAN_EID_FILS_INDICATION = 240,
1987         WLAN_EID_DILS = 241,
1988         WLAN_EID_FRAGMENT = 242,
1989         WLAN_EID_EXTENSION = 255
1990 };
1991
1992 /* Element ID Extensions for Element ID 255 */
1993 enum ieee80211_eid_ext {
1994         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
1995         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
1996         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
1997         WLAN_EID_EXT_FILS_SESSION = 4,
1998         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
1999         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2000         WLAN_EID_EXT_KEY_DELIVERY = 7,
2001         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2002         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2003         WLAN_EID_EXT_FILS_NONCE = 13,
2004 };
2005
2006 /* Action category code */
2007 enum ieee80211_category {
2008         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2009         WLAN_CATEGORY_QOS = 1,
2010         WLAN_CATEGORY_DLS = 2,
2011         WLAN_CATEGORY_BACK = 3,
2012         WLAN_CATEGORY_PUBLIC = 4,
2013         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2014         WLAN_CATEGORY_HT = 7,
2015         WLAN_CATEGORY_SA_QUERY = 8,
2016         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2017         WLAN_CATEGORY_WNM = 10,
2018         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2019         WLAN_CATEGORY_TDLS = 12,
2020         WLAN_CATEGORY_MESH_ACTION = 13,
2021         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2022         WLAN_CATEGORY_SELF_PROTECTED = 15,
2023         WLAN_CATEGORY_DMG = 16,
2024         WLAN_CATEGORY_WMM = 17,
2025         WLAN_CATEGORY_FST = 18,
2026         WLAN_CATEGORY_UNPROT_DMG = 20,
2027         WLAN_CATEGORY_VHT = 21,
2028         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2029         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2030 };
2031
2032 /* SPECTRUM_MGMT action code */
2033 enum ieee80211_spectrum_mgmt_actioncode {
2034         WLAN_ACTION_SPCT_MSR_REQ = 0,
2035         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2036         WLAN_ACTION_SPCT_TPC_REQ = 2,
2037         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2038         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2039 };
2040
2041 /* HT action codes */
2042 enum ieee80211_ht_actioncode {
2043         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2044         WLAN_HT_ACTION_SMPS = 1,
2045         WLAN_HT_ACTION_PSMP = 2,
2046         WLAN_HT_ACTION_PCO_PHASE = 3,
2047         WLAN_HT_ACTION_CSI = 4,
2048         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2049         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2050         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2051 };
2052
2053 /* VHT action codes */
2054 enum ieee80211_vht_actioncode {
2055         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2056         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2057         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2058 };
2059
2060 /* Self Protected Action codes */
2061 enum ieee80211_self_protected_actioncode {
2062         WLAN_SP_RESERVED = 0,
2063         WLAN_SP_MESH_PEERING_OPEN = 1,
2064         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2065         WLAN_SP_MESH_PEERING_CLOSE = 3,
2066         WLAN_SP_MGK_INFORM = 4,
2067         WLAN_SP_MGK_ACK = 5,
2068 };
2069
2070 /* Mesh action codes */
2071 enum ieee80211_mesh_actioncode {
2072         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2073         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2074         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2075         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2076         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2077         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2078         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2079         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2080         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2081         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2082         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2083 };
2084
2085 /* Security key length */
2086 enum ieee80211_key_len {
2087         WLAN_KEY_LEN_WEP40 = 5,
2088         WLAN_KEY_LEN_WEP104 = 13,
2089         WLAN_KEY_LEN_CCMP = 16,
2090         WLAN_KEY_LEN_CCMP_256 = 32,
2091         WLAN_KEY_LEN_TKIP = 32,
2092         WLAN_KEY_LEN_AES_CMAC = 16,
2093         WLAN_KEY_LEN_SMS4 = 32,
2094         WLAN_KEY_LEN_GCMP = 16,
2095         WLAN_KEY_LEN_GCMP_256 = 32,
2096         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2097         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2098         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2099 };
2100
2101 #define IEEE80211_WEP_IV_LEN            4
2102 #define IEEE80211_WEP_ICV_LEN           4
2103 #define IEEE80211_CCMP_HDR_LEN          8
2104 #define IEEE80211_CCMP_MIC_LEN          8
2105 #define IEEE80211_CCMP_PN_LEN           6
2106 #define IEEE80211_CCMP_256_HDR_LEN      8
2107 #define IEEE80211_CCMP_256_MIC_LEN      16
2108 #define IEEE80211_CCMP_256_PN_LEN       6
2109 #define IEEE80211_TKIP_IV_LEN           8
2110 #define IEEE80211_TKIP_ICV_LEN          4
2111 #define IEEE80211_CMAC_PN_LEN           6
2112 #define IEEE80211_GMAC_PN_LEN           6
2113 #define IEEE80211_GCMP_HDR_LEN          8
2114 #define IEEE80211_GCMP_MIC_LEN          16
2115 #define IEEE80211_GCMP_PN_LEN           6
2116
2117 #define FILS_NONCE_LEN                  16
2118 #define FILS_MAX_KEK_LEN                64
2119
2120 /* Public action codes */
2121 enum ieee80211_pub_actioncode {
2122         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2123         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2124 };
2125
2126 /* TDLS action codes */
2127 enum ieee80211_tdls_actioncode {
2128         WLAN_TDLS_SETUP_REQUEST = 0,
2129         WLAN_TDLS_SETUP_RESPONSE = 1,
2130         WLAN_TDLS_SETUP_CONFIRM = 2,
2131         WLAN_TDLS_TEARDOWN = 3,
2132         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2133         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2134         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2135         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2136         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2137         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2138         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2139 };
2140
2141 /* Extended Channel Switching capability to be set in the 1st byte of
2142  * the @WLAN_EID_EXT_CAPABILITY information element
2143  */
2144 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2145
2146 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2147 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2148 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2149 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2150
2151 /* Interworking capabilities are set in 7th bit of 4th byte of the
2152  * @WLAN_EID_EXT_CAPABILITY information element
2153  */
2154 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2155
2156 /*
2157  * TDLS capabililites to be enabled in the 5th byte of the
2158  * @WLAN_EID_EXT_CAPABILITY information element
2159  */
2160 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2161 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2162 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2163
2164 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2165 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2166
2167 /* Defines the maximal number of MSDUs in an A-MSDU. */
2168 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2169 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2170
2171 /*
2172  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2173  * information element
2174  */
2175 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2176
2177 /* TDLS specific payload type in the LLC/SNAP header */
2178 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2179
2180 /* BSS Coex IE information field bits */
2181 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2182
2183 /**
2184  * enum - mesh synchronization method identifier
2185  *
2186  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2187  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2188  *      that will be specified in a vendor specific information element
2189  */
2190 enum {
2191         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2192         IEEE80211_SYNC_METHOD_VENDOR = 255,
2193 };
2194
2195 /**
2196  * enum - mesh path selection protocol identifier
2197  *
2198  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2199  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2200  *      be specified in a vendor specific information element
2201  */
2202 enum {
2203         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2204         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2205 };
2206
2207 /**
2208  * enum - mesh path selection metric identifier
2209  *
2210  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2211  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2212  *      specified in a vendor specific information element
2213  */
2214 enum {
2215         IEEE80211_PATH_METRIC_AIRTIME = 1,
2216         IEEE80211_PATH_METRIC_VENDOR = 255,
2217 };
2218
2219 /**
2220  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2221  *
2222  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2223  *
2224  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2225  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2226  *      this value
2227  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2228  *      the proactive PREQ with proactive PREP subfield set to 0
2229  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2230  *      supports the proactive PREQ with proactive PREP subfield set to 1
2231  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2232  *      the proactive RANN
2233  */
2234 enum ieee80211_root_mode_identifier {
2235         IEEE80211_ROOTMODE_NO_ROOT = 0,
2236         IEEE80211_ROOTMODE_ROOT = 1,
2237         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2238         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2239         IEEE80211_PROACTIVE_RANN = 4,
2240 };
2241
2242 /*
2243  * IEEE 802.11-2007 7.3.2.9 Country information element
2244  *
2245  * Minimum length is 8 octets, ie len must be evenly
2246  * divisible by 2
2247  */
2248
2249 /* Although the spec says 8 I'm seeing 6 in practice */
2250 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2251
2252 /* The Country String field of the element shall be 3 octets in length */
2253 #define IEEE80211_COUNTRY_STRING_LEN    3
2254
2255 /*
2256  * For regulatory extension stuff see IEEE 802.11-2007
2257  * Annex I (page 1141) and Annex J (page 1147). Also
2258  * review 7.3.2.9.
2259  *
2260  * When dot11RegulatoryClassesRequired is true and the
2261  * first_channel/reg_extension_id is >= 201 then the IE
2262  * compromises of the 'ext' struct represented below:
2263  *
2264  *  - Regulatory extension ID - when generating IE this just needs
2265  *    to be monotonically increasing for each triplet passed in
2266  *    the IE
2267  *  - Regulatory class - index into set of rules
2268  *  - Coverage class - index into air propagation time (Table 7-27),
2269  *    in microseconds, you can compute the air propagation time from
2270  *    the index by multiplying by 3, so index 10 yields a propagation
2271  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2272  *    yet. A value of 0 inicates air propagation of <= 1 us.
2273  *
2274  *  See also Table I.2 for Emission limit sets and table
2275  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2276  *  a reg_class to an emission limit set and behavior limit set.
2277  */
2278 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2279
2280 /*
2281  *  Channels numbers in the IE must be monotonically increasing
2282  *  if dot11RegulatoryClassesRequired is not true.
2283  *
2284  *  If dot11RegulatoryClassesRequired is true consecutive
2285  *  subband triplets following a regulatory triplet shall
2286  *  have monotonically increasing first_channel number fields.
2287  *
2288  *  Channel numbers shall not overlap.
2289  *
2290  *  Note that max_power is signed.
2291  */
2292 struct ieee80211_country_ie_triplet {
2293         union {
2294                 struct {
2295                         u8 first_channel;
2296                         u8 num_channels;
2297                         s8 max_power;
2298                 } __packed chans;
2299                 struct {
2300                         u8 reg_extension_id;
2301                         u8 reg_class;
2302                         u8 coverage_class;
2303                 } __packed ext;
2304         };
2305 } __packed;
2306
2307 enum ieee80211_timeout_interval_type {
2308         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2309         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2310         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2311 };
2312
2313 /**
2314  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2315  * @type: type, see &enum ieee80211_timeout_interval_type
2316  * @value: timeout interval value
2317  */
2318 struct ieee80211_timeout_interval_ie {
2319         u8 type;
2320         __le32 value;
2321 } __packed;
2322
2323 /* BACK action code */
2324 enum ieee80211_back_actioncode {
2325         WLAN_ACTION_ADDBA_REQ = 0,
2326         WLAN_ACTION_ADDBA_RESP = 1,
2327         WLAN_ACTION_DELBA = 2,
2328 };
2329
2330 /* BACK (block-ack) parties */
2331 enum ieee80211_back_parties {
2332         WLAN_BACK_RECIPIENT = 0,
2333         WLAN_BACK_INITIATOR = 1,
2334 };
2335
2336 /* SA Query action */
2337 enum ieee80211_sa_query_action {
2338         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2339         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2340 };
2341
2342
2343 /* cipher suite selectors */
2344 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2345 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2346 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2347 /* reserved:                            0x000FAC03 */
2348 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2349 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2350 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2351 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2352 #define WLAN_CIPHER_SUITE_GCMP_256      0x000FAC09
2353 #define WLAN_CIPHER_SUITE_CCMP_256      0x000FAC0A
2354 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  0x000FAC0B
2355 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  0x000FAC0C
2356 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  0x000FAC0D
2357
2358 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2359
2360 /* AKM suite selectors */
2361 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2362 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2363 #define WLAN_AKM_SUITE_SAE                      0x000FAC08
2364 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2365
2366 #define WLAN_MAX_KEY_LEN                32
2367
2368 #define WLAN_PMKID_LEN                  16
2369
2370 #define WLAN_OUI_WFA                    0x506f9a
2371 #define WLAN_OUI_TYPE_WFA_P2P           9
2372 #define WLAN_OUI_MICROSOFT              0x0050f2
2373 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2374 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2375 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2376
2377 /*
2378  * WMM/802.11e Tspec Element
2379  */
2380 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2381 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2382
2383 enum ieee80211_tspec_status_code {
2384         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2385         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2386 };
2387
2388 struct ieee80211_tspec_ie {
2389         u8 element_id;
2390         u8 len;
2391         u8 oui[3];
2392         u8 oui_type;
2393         u8 oui_subtype;
2394         u8 version;
2395         __le16 tsinfo;
2396         u8 tsinfo_resvd;
2397         __le16 nominal_msdu;
2398         __le16 max_msdu;
2399         __le32 min_service_int;
2400         __le32 max_service_int;
2401         __le32 inactivity_int;
2402         __le32 suspension_int;
2403         __le32 service_start_time;
2404         __le32 min_data_rate;
2405         __le32 mean_data_rate;
2406         __le32 peak_data_rate;
2407         __le32 max_burst_size;
2408         __le32 delay_bound;
2409         __le32 min_phy_rate;
2410         __le16 sba;
2411         __le16 medium_time;
2412 } __packed;
2413
2414 /**
2415  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2416  * @hdr: the frame
2417  *
2418  * The qos ctrl bytes come after the frame_control, duration, seq_num
2419  * and 3 or 4 addresses of length ETH_ALEN.
2420  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2421  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2422  */
2423 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2424 {
2425         if (ieee80211_has_a4(hdr->frame_control))
2426                 return (u8 *)hdr + 30;
2427         else
2428                 return (u8 *)hdr + 24;
2429 }
2430
2431 /**
2432  * ieee80211_get_SA - get pointer to SA
2433  * @hdr: the frame
2434  *
2435  * Given an 802.11 frame, this function returns the offset
2436  * to the source address (SA). It does not verify that the
2437  * header is long enough to contain the address, and the
2438  * header must be long enough to contain the frame control
2439  * field.
2440  */
2441 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2442 {
2443         if (ieee80211_has_a4(hdr->frame_control))
2444                 return hdr->addr4;
2445         if (ieee80211_has_fromds(hdr->frame_control))
2446                 return hdr->addr3;
2447         return hdr->addr2;
2448 }
2449
2450 /**
2451  * ieee80211_get_DA - get pointer to DA
2452  * @hdr: the frame
2453  *
2454  * Given an 802.11 frame, this function returns the offset
2455  * to the destination address (DA). It does not verify that
2456  * the header is long enough to contain the address, and the
2457  * header must be long enough to contain the frame control
2458  * field.
2459  */
2460 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2461 {
2462         if (ieee80211_has_tods(hdr->frame_control))
2463                 return hdr->addr3;
2464         else
2465                 return hdr->addr1;
2466 }
2467
2468 /**
2469  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2470  * @hdr: the frame (buffer must include at least the first octet of payload)
2471  */
2472 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2473 {
2474         if (ieee80211_is_disassoc(hdr->frame_control) ||
2475             ieee80211_is_deauth(hdr->frame_control))
2476                 return true;
2477
2478         if (ieee80211_is_action(hdr->frame_control)) {
2479                 u8 *category;
2480
2481                 /*
2482                  * Action frames, excluding Public Action frames, are Robust
2483                  * Management Frames. However, if we are looking at a Protected
2484                  * frame, skip the check since the data may be encrypted and
2485                  * the frame has already been found to be a Robust Management
2486                  * Frame (by the other end).
2487                  */
2488                 if (ieee80211_has_protected(hdr->frame_control))
2489                         return true;
2490                 category = ((u8 *) hdr) + 24;
2491                 return *category != WLAN_CATEGORY_PUBLIC &&
2492                         *category != WLAN_CATEGORY_HT &&
2493                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2494                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2495                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2496                         *category != WLAN_CATEGORY_VHT &&
2497                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2498         }
2499
2500         return false;
2501 }
2502
2503 /**
2504  * ieee80211_is_public_action - check if frame is a public action frame
2505  * @hdr: the frame
2506  * @len: length of the frame
2507  */
2508 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2509                                               size_t len)
2510 {
2511         struct ieee80211_mgmt *mgmt = (void *)hdr;
2512
2513         if (len < IEEE80211_MIN_ACTION_SIZE)
2514                 return false;
2515         if (!ieee80211_is_action(hdr->frame_control))
2516                 return false;
2517         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2518 }
2519
2520 static inline bool is_multicast_ether_addr(const u8 *a)
2521 {
2522         return 0x01 & a[0];
2523 }
2524
2525 /**
2526  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2527  * privacy action frame
2528  * @hdr: the frame
2529  */
2530 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2531 {
2532         struct ieee80211_mgmt *mgmt = (void *)hdr;
2533
2534         if (!ieee80211_is_action(hdr->frame_control) ||
2535             !is_multicast_ether_addr(hdr->addr1))
2536                 return false;
2537
2538         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2539                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2540 }
2541
2542 /**
2543  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2544  * @tu: the TUs
2545  */
2546 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2547 {
2548         return 1024 * tu;
2549 }
2550
2551 /**
2552  * ieee80211_check_tim - check if AID bit is set in TIM
2553  * @tim: the TIM IE
2554  * @tim_len: length of the TIM IE
2555  * @aid: the AID to look for
2556  */
2557 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2558                                        u8 tim_len, u16 aid)
2559 {
2560         u8 mask;
2561         u8 indexn0, indexn1, indexn2;
2562
2563         if (unlikely(!tim || tim_len < sizeof(*tim)))
2564                 return false;
2565
2566         aid &= 0x3fff;
2567         indexn0 = aid / 8;
2568         mask  = 1 << (aid & 7);
2569
2570         indexn1 = tim->bitmap_ctrl & 0xfe;
2571         indexn2 = tim_len + indexn1 - 4;
2572
2573         if (indexn0 < indexn1 || indexn0 > indexn2)
2574                 return false;
2575
2576         indexn0 -= indexn1;
2577
2578         return !!(tim->virtual_map[indexn0] & mask);
2579 }
2580
2581 /* convert time units */
2582 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
2583 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
2584
2585 #endif /* __LINUX_IEEE80211_H */