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 #include <linux/types.h>
  21 #include <linux/if_ether.h>
  22 #include <linux/etherdevice.h>
  23 #include <asm/byteorder.h>
  24 #include <asm/unaligned.h>
  25
  26 /*
  27  * DS bit usage
  28  *
  29  * TA = transmitter address
  30  * RA = receiver address
  31  * DA = destination address
  32  * SA = source address
  33  *
  34  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  35  * -----------------------------------------------------------------
  36  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  37  *  0       1       DA      BSSID   SA      -       AP -> STA
  38  *  1       0       BSSID   SA      DA      -       AP <- STA
  39  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  40  */
  41
  42 #define FCS_LEN 4
  43
  44 #define IEEE80211_FCTL_VERS             0x0003
  45 #define IEEE80211_FCTL_FTYPE            0x000c
  46 #define IEEE80211_FCTL_STYPE            0x00f0
  47 #define IEEE80211_FCTL_TODS             0x0100
  48 #define IEEE80211_FCTL_FROMDS           0x0200
  49 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  50 #define IEEE80211_FCTL_RETRY            0x0800
  51 #define IEEE80211_FCTL_PM               0x1000
  52 #define IEEE80211_FCTL_MOREDATA         0x2000
  53 #define IEEE80211_FCTL_PROTECTED        0x4000
  54 #define IEEE80211_FCTL_ORDER            0x8000
  55 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  56
  57 #define IEEE80211_SCTL_FRAG             0x000F
  58 #define IEEE80211_SCTL_SEQ              0xFFF0
  59
  60 #define IEEE80211_FTYPE_MGMT            0x0000
  61 #define IEEE80211_FTYPE_CTL             0x0004
  62 #define IEEE80211_FTYPE_DATA            0x0008
  63 #define IEEE80211_FTYPE_EXT             0x000c
  64
  65 /* management */
  66 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  67 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  68 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  69 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  70 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  71 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  72 #define IEEE80211_STYPE_BEACON          0x0080
  73 #define IEEE80211_STYPE_ATIM            0x0090
  74 #define IEEE80211_STYPE_DISASSOC        0x00A0
  75 #define IEEE80211_STYPE_AUTH            0x00B0
  76 #define IEEE80211_STYPE_DEAUTH          0x00C0
  77 #define IEEE80211_STYPE_ACTION          0x00D0
  78
  79 /* control */
  80 #define IEEE80211_STYPE_CTL_EXT         0x0060
  81 #define IEEE80211_STYPE_BACK_REQ        0x0080
  82 #define IEEE80211_STYPE_BACK            0x0090
  83 #define IEEE80211_STYPE_PSPOLL          0x00A0
  84 #define IEEE80211_STYPE_RTS             0x00B0
  85 #define IEEE80211_STYPE_CTS             0x00C0
  86 #define IEEE80211_STYPE_ACK             0x00D0
  87 #define IEEE80211_STYPE_CFEND           0x00E0
  88 #define IEEE80211_STYPE_CFENDACK        0x00F0
  89
  90 /* data */
  91 #define IEEE80211_STYPE_DATA                    0x0000
  92 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  93 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  94 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  95 #define IEEE80211_STYPE_NULLFUNC                0x0040
  96 #define IEEE80211_STYPE_CFACK                   0x0050
  97 #define IEEE80211_STYPE_CFPOLL                  0x0060
  98 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  99 #define IEEE80211_STYPE_QOS_DATA                0x0080
 100 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 103 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 104 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 105 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 106 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 107
 108 /* extension, added by 802.11ad */
 109 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 110
 111 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 112 #define IEEE80211_CTL_EXT_POLL          0x2000
 113 #define IEEE80211_CTL_EXT_SPR           0x3000
 114 #define IEEE80211_CTL_EXT_GRANT 0x4000
 115 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 116 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 117 #define IEEE80211_CTL_EXT_SSW           0x8000
 118 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 119 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 120
 121
 122 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 123 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 124 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 125
 126 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 127 {
 128         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 129 }
 130
 131 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 132 {
 133         return (sn1 + sn2) & IEEE80211_SN_MASK;
 134 }
 135
 136 static inline u16 ieee80211_sn_inc(u16 sn)
 137 {
 138         return ieee80211_sn_add(sn, 1);
 139 }
 140
 141 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 142 {
 143         return (sn1 - sn2) & IEEE80211_SN_MASK;
 144 }
 145
 146 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 147 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 148
 149 /* miscellaneous IEEE 802.11 constants */
 150 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 151 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 152 #define IEEE80211_MAX_AID               2007
 153 #define IEEE80211_MAX_TIM_LEN           251
 154 #define IEEE80211_MAX_MESH_PEERINGS     63
 155 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 156    6.2.1.1.2.
 157
 158    802.11e clarifies the figure in section 7.1.2. The frame body is
 159    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 160 #define IEEE80211_MAX_DATA_LEN          2304
 161 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 162  * to 7920 bytes, see 8.2.3 General frame format
 163  */
 164 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 165 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 166 #define IEEE80211_MAX_FRAME_LEN         2352
 167
 168 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 169 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 170
 171 /* Maximal size of an A-MSDU */
 172 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 173 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 174
 175 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 176 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 177 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 178
 179 #define IEEE80211_MAX_SSID_LEN          32
 180
 181 #define IEEE80211_MAX_MESH_ID_LEN       32
 182
 183 #define IEEE80211_FIRST_TSPEC_TSID      8
 184 #define IEEE80211_NUM_TIDS              16
 185
 186 /* number of user priorities 802.11 uses */
 187 #define IEEE80211_NUM_UPS               8
 188 /* number of ACs */
 189 #define IEEE80211_NUM_ACS               4
 190
 191 #define IEEE80211_QOS_CTL_LEN           2
 192 /* 1d tag mask */
 193 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 194 /* TID mask */
 195 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 196 /* EOSP */
 197 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 198 /* ACK policy */
 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 200 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 201 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 202 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 203 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 204 /* A-MSDU 802.11n */
 205 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 206 /* Mesh Control 802.11s */
 207 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 208
 209 /* Mesh Power Save Level */
 210 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 211 /* Mesh Receiver Service Period Initiated */
 212 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 213
 214 /* U-APSD queue for WMM IEs sent by AP */
 215 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 216 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 217
 218 /* U-APSD queues for WMM IEs sent by STA */
 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 223 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 224
 225 /* U-APSD max SP length for WMM IEs sent by STA */
 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 230 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 231 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 232
 233 #define IEEE80211_HT_CTL_LEN            4
 234
 235 struct ieee80211_hdr {
 236         __le16 frame_control;
 237         __le16 duration_id;
 238         u8 addr1[ETH_ALEN];
 239         u8 addr2[ETH_ALEN];
 240         u8 addr3[ETH_ALEN];
 241         __le16 seq_ctrl;
 242         u8 addr4[ETH_ALEN];
 243 } __packed __aligned(2);
 244
 245 struct ieee80211_hdr_3addr {
 246         __le16 frame_control;
 247         __le16 duration_id;
 248         u8 addr1[ETH_ALEN];
 249         u8 addr2[ETH_ALEN];
 250         u8 addr3[ETH_ALEN];
 251         __le16 seq_ctrl;
 252 } __packed __aligned(2);
 253
 254 struct ieee80211_qos_hdr {
 255         __le16 frame_control;
 256         __le16 duration_id;
 257         u8 addr1[ETH_ALEN];
 258         u8 addr2[ETH_ALEN];
 259         u8 addr3[ETH_ALEN];
 260         __le16 seq_ctrl;
 261         __le16 qos_ctrl;
 262 } __packed __aligned(2);
 263
 264 /**
 265  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 266  * @fc: frame control bytes in little-endian byteorder
 267  */
 268 static inline bool ieee80211_has_tods(__le16 fc)
 269 {
 270         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 271 }
 272
 273 /**
 274  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 275  * @fc: frame control bytes in little-endian byteorder
 276  */
 277 static inline bool ieee80211_has_fromds(__le16 fc)
 278 {
 279         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 280 }
 281
 282 /**
 283  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 284  * @fc: frame control bytes in little-endian byteorder
 285  */
 286 static inline bool ieee80211_has_a4(__le16 fc)
 287 {
 288         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 289         return (fc & tmp) == tmp;
 290 }
 291
 292 /**
 293  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 294  * @fc: frame control bytes in little-endian byteorder
 295  */
 296 static inline bool ieee80211_has_morefrags(__le16 fc)
 297 {
 298         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 299 }
 300
 301 /**
 302  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 303  * @fc: frame control bytes in little-endian byteorder
 304  */
 305 static inline bool ieee80211_has_retry(__le16 fc)
 306 {
 307         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 308 }
 309
 310 /**
 311  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 312  * @fc: frame control bytes in little-endian byteorder
 313  */
 314 static inline bool ieee80211_has_pm(__le16 fc)
 315 {
 316         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 317 }
 318
 319 /**
 320  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 321  * @fc: frame control bytes in little-endian byteorder
 322  */
 323 static inline bool ieee80211_has_moredata(__le16 fc)
 324 {
 325         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 326 }
 327
 328 /**
 329  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 330  * @fc: frame control bytes in little-endian byteorder
 331  */
 332 static inline bool ieee80211_has_protected(__le16 fc)
 333 {
 334         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 335 }
 336
 337 /**
 338  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 339  * @fc: frame control bytes in little-endian byteorder
 340  */
 341 static inline bool ieee80211_has_order(__le16 fc)
 342 {
 343         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 344 }
 345
 346 /**
 347  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 348  * @fc: frame control bytes in little-endian byteorder
 349  */
 350 static inline bool ieee80211_is_mgmt(__le16 fc)
 351 {
 352         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 353                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 354 }
 355
 356 /**
 357  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 358  * @fc: frame control bytes in little-endian byteorder
 359  */
 360 static inline bool ieee80211_is_ctl(__le16 fc)
 361 {
 362         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 363                cpu_to_le16(IEEE80211_FTYPE_CTL);
 364 }
 365
 366 /**
 367  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 368  * @fc: frame control bytes in little-endian byteorder
 369  */
 370 static inline bool ieee80211_is_data(__le16 fc)
 371 {
 372         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 373                cpu_to_le16(IEEE80211_FTYPE_DATA);
 374 }
 375
 376 /**
 377  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 378  * @fc: frame control bytes in little-endian byteorder
 379  */
 380 static inline bool ieee80211_is_data_qos(__le16 fc)
 381 {
 382         /*
 383          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 384          * to check the one bit
 385          */
 386         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 387                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 388 }
 389
 390 /**
 391  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 392  * @fc: frame control bytes in little-endian byteorder
 393  */
 394 static inline bool ieee80211_is_data_present(__le16 fc)
 395 {
 396         /*
 397          * mask with 0x40 and test that that bit is clear to only return true
 398          * for the data-containing substypes.
 399          */
 400         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 401                cpu_to_le16(IEEE80211_FTYPE_DATA);
 402 }
 403
 404 /**
 405  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 406  * @fc: frame control bytes in little-endian byteorder
 407  */
 408 static inline bool ieee80211_is_assoc_req(__le16 fc)
 409 {
 410         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 411                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 412 }
 413
 414 /**
 415  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 416  * @fc: frame control bytes in little-endian byteorder
 417  */
 418 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 419 {
 420         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 421                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 422 }
 423
 424 /**
 425  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 426  * @fc: frame control bytes in little-endian byteorder
 427  */
 428 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 429 {
 430         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 431                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 432 }
 433
 434 /**
 435  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 436  * @fc: frame control bytes in little-endian byteorder
 437  */
 438 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 439 {
 440         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 441                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 442 }
 443
 444 /**
 445  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 446  * @fc: frame control bytes in little-endian byteorder
 447  */
 448 static inline bool ieee80211_is_probe_req(__le16 fc)
 449 {
 450         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 451                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 452 }
 453
 454 /**
 455  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 456  * @fc: frame control bytes in little-endian byteorder
 457  */
 458 static inline bool ieee80211_is_probe_resp(__le16 fc)
 459 {
 460         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 461                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 462 }
 463
 464 /**
 465  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 466  * @fc: frame control bytes in little-endian byteorder
 467  */
 468 static inline bool ieee80211_is_beacon(__le16 fc)
 469 {
 470         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 471                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 472 }
 473
 474 /**
 475  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 476  * @fc: frame control bytes in little-endian byteorder
 477  */
 478 static inline bool ieee80211_is_atim(__le16 fc)
 479 {
 480         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 481                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 482 }
 483
 484 /**
 485  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 486  * @fc: frame control bytes in little-endian byteorder
 487  */
 488 static inline bool ieee80211_is_disassoc(__le16 fc)
 489 {
 490         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 491                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 492 }
 493
 494 /**
 495  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 496  * @fc: frame control bytes in little-endian byteorder
 497  */
 498 static inline bool ieee80211_is_auth(__le16 fc)
 499 {
 500         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 501                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 502 }
 503
 504 /**
 505  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 506  * @fc: frame control bytes in little-endian byteorder
 507  */
 508 static inline bool ieee80211_is_deauth(__le16 fc)
 509 {
 510         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 511                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 512 }
 513
 514 /**
 515  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 516  * @fc: frame control bytes in little-endian byteorder
 517  */
 518 static inline bool ieee80211_is_action(__le16 fc)
 519 {
 520         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 521                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 522 }
 523
 524 /**
 525  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 526  * @fc: frame control bytes in little-endian byteorder
 527  */
 528 static inline bool ieee80211_is_back_req(__le16 fc)
 529 {
 530         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 531                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 532 }
 533
 534 /**
 535  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 536  * @fc: frame control bytes in little-endian byteorder
 537  */
 538 static inline bool ieee80211_is_back(__le16 fc)
 539 {
 540         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 541                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 542 }
 543
 544 /**
 545  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 546  * @fc: frame control bytes in little-endian byteorder
 547  */
 548 static inline bool ieee80211_is_pspoll(__le16 fc)
 549 {
 550         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 551                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 552 }
 553
 554 /**
 555  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 556  * @fc: frame control bytes in little-endian byteorder
 557  */
 558 static inline bool ieee80211_is_rts(__le16 fc)
 559 {
 560         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 561                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 562 }
 563
 564 /**
 565  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 566  * @fc: frame control bytes in little-endian byteorder
 567  */
 568 static inline bool ieee80211_is_cts(__le16 fc)
 569 {
 570         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 571                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 572 }
 573
 574 /**
 575  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 576  * @fc: frame control bytes in little-endian byteorder
 577  */
 578 static inline bool ieee80211_is_ack(__le16 fc)
 579 {
 580         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 581                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 582 }
 583
 584 /**
 585  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 586  * @fc: frame control bytes in little-endian byteorder
 587  */
 588 static inline bool ieee80211_is_cfend(__le16 fc)
 589 {
 590         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 591                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 592 }
 593
 594 /**
 595  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 596  * @fc: frame control bytes in little-endian byteorder
 597  */
 598 static inline bool ieee80211_is_cfendack(__le16 fc)
 599 {
 600         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 601                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 602 }
 603
 604 /**
 605  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 606  * @fc: frame control bytes in little-endian byteorder
 607  */
 608 static inline bool ieee80211_is_nullfunc(__le16 fc)
 609 {
 610         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 611                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 612 }
 613
 614 /**
 615  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 616  * @fc: frame control bytes in little-endian byteorder
 617  */
 618 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 619 {
 620         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 621                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 622 }
 623
 624 /**
 625  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 626  * @fc: frame control field in little-endian byteorder
 627  */
 628 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 629 {
 630         /* IEEE 802.11-2012, definition of "bufferable management frame";
 631          * note that this ignores the IBSS special case. */
 632         return ieee80211_is_mgmt(fc) &&
 633                (ieee80211_is_action(fc) ||
 634                 ieee80211_is_disassoc(fc) ||
 635                 ieee80211_is_deauth(fc));
 636 }
 637
 638 /**
 639  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 640  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 641  */
 642 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 643 {
 644         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 645 }
 646
 647 /**
 648  * ieee80211_is_frag - check if a frame is a fragment
 649  * @hdr: 802.11 header of the frame
 650  */
 651 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 652 {
 653         return ieee80211_has_morefrags(hdr->frame_control) ||
 654                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 655 }
 656
 657 struct ieee80211s_hdr {
 658         u8 flags;
 659         u8 ttl;
 660         __le32 seqnum;
 661         u8 eaddr1[ETH_ALEN];
 662         u8 eaddr2[ETH_ALEN];
 663 } __packed __aligned(2);
 664
 665 /* Mesh flags */
 666 #define MESH_FLAGS_AE_A4        0x1
 667 #define MESH_FLAGS_AE_A5_A6     0x2
 668 #define MESH_FLAGS_AE           0x3
 669 #define MESH_FLAGS_PS_DEEP      0x4
 670
 671 /**
 672  * enum ieee80211_preq_flags - mesh PREQ element flags
 673  *
 674  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 675  */
 676 enum ieee80211_preq_flags {
 677         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 678 };
 679
 680 /**
 681  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 682  *
 683  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 684  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 685  */
 686 enum ieee80211_preq_target_flags {
 687         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 688         IEEE80211_PREQ_USN_FLAG = 1<<2,
 689 };
 690
 691 /**
 692  * struct ieee80211_quiet_ie
 693  *
 694  * This structure refers to "Quiet information element"
 695  */
 696 struct ieee80211_quiet_ie {
 697         u8 count;
 698         u8 period;
 699         __le16 duration;
 700         __le16 offset;
 701 } __packed;
 702
 703 /**
 704  * struct ieee80211_msrment_ie
 705  *
 706  * This structure refers to "Measurement Request/Report information element"
 707  */
 708 struct ieee80211_msrment_ie {
 709         u8 token;
 710         u8 mode;
 711         u8 type;
 712         u8 request[0];
 713 } __packed;
 714
 715 /**
 716  * struct ieee80211_channel_sw_ie
 717  *
 718  * This structure refers to "Channel Switch Announcement information element"
 719  */
 720 struct ieee80211_channel_sw_ie {
 721         u8 mode;
 722         u8 new_ch_num;
 723         u8 count;
 724 } __packed;
 725
 726 /**
 727  * struct ieee80211_ext_chansw_ie
 728  *
 729  * This structure represents the "Extended Channel Switch Announcement element"
 730  */
 731 struct ieee80211_ext_chansw_ie {
 732         u8 mode;
 733         u8 new_operating_class;
 734         u8 new_ch_num;
 735         u8 count;
 736 } __packed;
 737
 738 /**
 739  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 740  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 741  *      values here
 742  * This structure represents the "Secondary Channel Offset element"
 743  */
 744 struct ieee80211_sec_chan_offs_ie {
 745         u8 sec_chan_offs;
 746 } __packed;
 747
 748 /**
 749  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 750  *
 751  * This structure represents the "Mesh Channel Switch Paramters element"
 752  */
 753 struct ieee80211_mesh_chansw_params_ie {
 754         u8 mesh_ttl;
 755         u8 mesh_flags;
 756         __le16 mesh_reason;
 757         __le16 mesh_pre_value;
 758 } __packed;
 759
 760 /**
 761  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 762  */
 763 struct ieee80211_wide_bw_chansw_ie {
 764         u8 new_channel_width;
 765         u8 new_center_freq_seg0, new_center_freq_seg1;
 766 } __packed;
 767
 768 /**
 769  * struct ieee80211_tim
 770  *
 771  * This structure refers to "Traffic Indication Map information element"
 772  */
 773 struct ieee80211_tim_ie {
 774         u8 dtim_count;
 775         u8 dtim_period;
 776         u8 bitmap_ctrl;
 777         /* variable size: 1 - 251 bytes */
 778         u8 virtual_map[1];
 779 } __packed;
 780
 781 /**
 782  * struct ieee80211_meshconf_ie
 783  *
 784  * This structure refers to "Mesh Configuration information element"
 785  */
 786 struct ieee80211_meshconf_ie {
 787         u8 meshconf_psel;
 788         u8 meshconf_pmetric;
 789         u8 meshconf_congest;
 790         u8 meshconf_synch;
 791         u8 meshconf_auth;
 792         u8 meshconf_form;
 793         u8 meshconf_cap;
 794 } __packed;
 795
 796 /**
 797  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 798  *
 799  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 800  *      additional mesh peerings with other mesh STAs
 801  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 802  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 803  *      is ongoing
 804  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 805  *      neighbors in deep sleep mode
 806  */
 807 enum mesh_config_capab_flags {
 808         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 809         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 810         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 811         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 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[ETH_ALEN];
 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[ETH_ALEN];
 888         u8 sa[ETH_ALEN];
 889         u8 bssid[ETH_ALEN];
 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[ETH_ALEN];
 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[ETH_ALEN];
1103         u8 ta[ETH_ALEN];
1104 } __packed __aligned(2);
1105
1106 struct ieee80211_cts {
1107         __le16 frame_control;
1108         __le16 duration;
1109         u8 ra[ETH_ALEN];
1110 } __packed __aligned(2);
1111
1112 struct ieee80211_pspoll {
1113         __le16 frame_control;
1114         __le16 aid;
1115         u8 bssid[ETH_ALEN];
1116         u8 ta[ETH_ALEN];
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[ETH_ALEN];
1132         u8 init_sta[ETH_ALEN];
1133         u8 resp_sta[ETH_ALEN];
1134 } __packed;
1135
1136 struct ieee80211_tdls_data {
1137         u8 da[ETH_ALEN];
1138         u8 sa[ETH_ALEN];
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[ETH_ALEN];
1242         __u8 ta[ETH_ALEN];
1243         __le16 control;
1244         __le16 start_seq_num;
1245 } __packed;
1246
1247 /* 802.11 BAR 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 #define IEEE80211_HT_MCS_MASK_LEN               10
1255
1256 /**
1257  * struct ieee80211_mcs_info - MCS information
1258  * @rx_mask: RX mask
1259  * @rx_highest: highest supported RX rate. If set represents
1260  *      the highest supported RX data rate in units of 1 Mbps.
1261  *      If this field is 0 this value should not be used to
1262  *      consider the highest RX data rate supported.
1263  * @tx_params: TX parameters
1264  */
1265 struct ieee80211_mcs_info {
1266         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1267         __le16 rx_highest;
1268         u8 tx_params;
1269         u8 reserved[3];
1270 } __packed;
1271
1272 /* 802.11n HT capability MSC set */
1273 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1274 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1275 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1276 /* value 0 == 1 stream etc */
1277 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1278 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1279 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1280 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1281
1282 /*
1283  * 802.11n D5.0 20.3.5 / 20.6 says:
1284  * - indices 0 to 7 and 32 are single spatial stream
1285  * - 8 to 31 are multiple spatial streams using equal modulation
1286  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1287  * - remainder are multiple spatial streams using unequal modulation
1288  */
1289 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1290 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1291         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1292
1293 /**
1294  * struct ieee80211_ht_cap - HT capabilities
1295  *
1296  * This structure is the "HT capabilities element" as
1297  * described in 802.11n D5.0 7.3.2.57
1298  */
1299 struct ieee80211_ht_cap {
1300         __le16 cap_info;
1301         u8 ampdu_params_info;
1302
1303         /* 16 bytes MCS information */
1304         struct ieee80211_mcs_info mcs;
1305
1306         __le16 extended_ht_cap_info;
1307         __le32 tx_BF_cap_info;
1308         u8 antenna_selection_info;
1309 } __packed;
1310
1311 /* 802.11n HT capabilities masks (for cap_info) */
1312 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1313 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1314 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1315 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1316 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1317 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1318 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1319 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1320 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1321 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1322 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1323 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1324 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1325 #define IEEE80211_HT_CAP_RESERVED               0x2000
1326 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1327 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1328
1329 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1330 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1331 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1332 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1333 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1334 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1335 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1336 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1337
1338 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1339 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1340 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1341 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1342
1343 /*
1344  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1345  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1346  */
1347 enum ieee80211_max_ampdu_length_exp {
1348         IEEE80211_HT_MAX_AMPDU_8K = 0,
1349         IEEE80211_HT_MAX_AMPDU_16K = 1,
1350         IEEE80211_HT_MAX_AMPDU_32K = 2,
1351         IEEE80211_HT_MAX_AMPDU_64K = 3
1352 };
1353
1354 /*
1355  * Maximum length of AMPDU that the STA can receive in VHT.
1356  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1357  */
1358 enum ieee80211_vht_max_ampdu_length_exp {
1359         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1360         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1361         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1362         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1363         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1364         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1365         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1366         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1367 };
1368
1369 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1370
1371 /* Minimum MPDU start spacing */
1372 enum ieee80211_min_mpdu_spacing {
1373         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1374         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1375         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1376         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1377         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1378         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1379         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1380         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1381 };
1382
1383 /**
1384  * struct ieee80211_ht_operation - HT operation IE
1385  *
1386  * This structure is the "HT operation element" as
1387  * described in 802.11n-2009 7.3.2.57
1388  */
1389 struct ieee80211_ht_operation {
1390         u8 primary_chan;
1391         u8 ht_param;
1392         __le16 operation_mode;
1393         __le16 stbc_param;
1394         u8 basic_set[16];
1395 } __packed;
1396
1397 /* for ht_param */
1398 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1399 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1400 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1401 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1402 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1403 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1404
1405 /* for operation_mode */
1406 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1407 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1408 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1409 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1410 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1411 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1412 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1413
1414 /* for stbc_param */
1415 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1416 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1417 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1418 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1419 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1420 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1421
1422
1423 /* block-ack parameters */
1424 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1425 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1426 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1427 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1428 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1429 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1430
1431 /*
1432  * A-PMDU buffer sizes
1433  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1434  */
1435 #define IEEE80211_MIN_AMPDU_BUF 0x8
1436 #define IEEE80211_MAX_AMPDU_BUF 0x40
1437
1438
1439 /* Spatial Multiplexing Power Save Modes (for capability) */
1440 #define WLAN_HT_CAP_SM_PS_STATIC        0
1441 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1442 #define WLAN_HT_CAP_SM_PS_INVALID       2
1443 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1444
1445 /* for SM power control field lower two bits */
1446 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1447 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1448 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1449
1450 /**
1451  * struct ieee80211_vht_mcs_info - VHT MCS information
1452  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1453  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1454  *      STA can receive. Rate expressed in units of 1 Mbps.
1455  *      If this field is 0 this value should not be used to
1456  *      consider the highest RX data rate supported.
1457  *      The top 3 bits of this field are reserved.
1458  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1459  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1460  *      STA can transmit. Rate expressed in units of 1 Mbps.
1461  *      If this field is 0 this value should not be used to
1462  *      consider the highest TX data rate supported.
1463  *      The top 3 bits of this field are reserved.
1464  */
1465 struct ieee80211_vht_mcs_info {
1466         __le16 rx_mcs_map;
1467         __le16 rx_highest;
1468         __le16 tx_mcs_map;
1469         __le16 tx_highest;
1470 } __packed;
1471
1472 /**
1473  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1474  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1475  *      number of streams
1476  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1477  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1478  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1479  *
1480  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1481  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1482  * both split into 8 subfields by number of streams. These values indicate
1483  * which MCSes are supported for the number of streams the value appears
1484  * for.
1485  */
1486 enum ieee80211_vht_mcs_support {
1487         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1488         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1489         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1490         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1491 };
1492
1493 /**
1494  * struct ieee80211_vht_cap - VHT capabilities
1495  *
1496  * This structure is the "VHT capabilities element" as
1497  * described in 802.11ac D3.0 8.4.2.160
1498  * @vht_cap_info: VHT capability info
1499  * @supp_mcs: VHT MCS supported rates
1500  */
1501 struct ieee80211_vht_cap {
1502         __le32 vht_cap_info;
1503         struct ieee80211_vht_mcs_info supp_mcs;
1504 } __packed;
1505
1506 /**
1507  * enum ieee80211_vht_chanwidth - VHT channel width
1508  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1509  *      determine the channel width (20 or 40 MHz)
1510  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1511  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1512  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1513  */
1514 enum ieee80211_vht_chanwidth {
1515         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1516         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1517         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1518         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1519 };
1520
1521 /**
1522  * struct ieee80211_vht_operation - VHT operation IE
1523  *
1524  * This structure is the "VHT operation element" as
1525  * described in 802.11ac D3.0 8.4.2.161
1526  * @chan_width: Operating channel width
1527  * @center_freq_seg1_idx: center freq segment 1 index
1528  * @center_freq_seg2_idx: center freq segment 2 index
1529  * @basic_mcs_set: VHT Basic MCS rate set
1530  */
1531 struct ieee80211_vht_operation {
1532         u8 chan_width;
1533         u8 center_freq_seg1_idx;
1534         u8 center_freq_seg2_idx;
1535         __le16 basic_mcs_set;
1536 } __packed;
1537
1538
1539 /* 802.11ac VHT Capabilities */
1540 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1541 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1542 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1543 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1544 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1545 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1546 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1547 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1548 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1549 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1550 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1551 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1552 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1553 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1554 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1555 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1556 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1557 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1558 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1559 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1560                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1561 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1562 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1563                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1564 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1565 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1566 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1567 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1568 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1569 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1570                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1571 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1572 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1573 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1574 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1575
1576 /* Authentication algorithms */
1577 #define WLAN_AUTH_OPEN 0
1578 #define WLAN_AUTH_SHARED_KEY 1
1579 #define WLAN_AUTH_FT 2
1580 #define WLAN_AUTH_SAE 3
1581 #define WLAN_AUTH_FILS_SK 4
1582 #define WLAN_AUTH_FILS_SK_PFS 5
1583 #define WLAN_AUTH_FILS_PK 6
1584 #define WLAN_AUTH_LEAP 128
1585
1586 #define WLAN_AUTH_CHALLENGE_LEN 128
1587
1588 #define WLAN_CAPABILITY_ESS             (1<<0)
1589 #define WLAN_CAPABILITY_IBSS            (1<<1)
1590
1591 /*
1592  * A mesh STA sets the ESS and IBSS capability bits to zero.
1593  * however, this holds true for p2p probe responses (in the p2p_find
1594  * phase) as well.
1595  */
1596 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1597         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1598
1599 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1600 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1601 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1602 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1603 #define WLAN_CAPABILITY_PBCC            (1<<6)
1604 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1605
1606 /* 802.11h */
1607 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1608 #define WLAN_CAPABILITY_QOS             (1<<9)
1609 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1610 #define WLAN_CAPABILITY_APSD            (1<<11)
1611 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1612 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1613 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1614 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1615
1616 /* DMG (60gHz) 802.11ad */
1617 /* type - bits 0..1 */
1618 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1619 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1620 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1621 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1622
1623 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1624 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1625 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1626 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1627
1628 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1629 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1630
1631 /* measurement */
1632 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1633 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1634 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1635
1636 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1637 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1638 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1639
1640 /* 802.11g ERP information element */
1641 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1642 #define WLAN_ERP_USE_PROTECTION (1<<1)
1643 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1644
1645 /* WLAN_ERP_BARKER_PREAMBLE values */
1646 enum {
1647         WLAN_ERP_PREAMBLE_SHORT = 0,
1648         WLAN_ERP_PREAMBLE_LONG = 1,
1649 };
1650
1651 /* Band ID, 802.11ad #8.4.1.45 */
1652 enum {
1653         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1654         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1655         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1656         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1657         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1658         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1659 };
1660
1661 /* Status codes */
1662 enum ieee80211_statuscode {
1663         WLAN_STATUS_SUCCESS = 0,
1664         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1665         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1666         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1667         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1668         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1669         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1670         WLAN_STATUS_CHALLENGE_FAIL = 15,
1671         WLAN_STATUS_AUTH_TIMEOUT = 16,
1672         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1673         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1674         /* 802.11b */
1675         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1676         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1677         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1678         /* 802.11h */
1679         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1680         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1681         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1682         /* 802.11g */
1683         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1684         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1685         /* 802.11w */
1686         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1687         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1688         /* 802.11i */
1689         WLAN_STATUS_INVALID_IE = 40,
1690         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1691         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1692         WLAN_STATUS_INVALID_AKMP = 43,
1693         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1694         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1695         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1696         /* 802.11e */
1697         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1698         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1699         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1700         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1701         WLAN_STATUS_REQUEST_DECLINED = 37,
1702         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1703         WLAN_STATUS_CHANGE_TSPEC = 39,
1704         WLAN_STATUS_WAIT_TS_DELAY = 47,
1705         WLAN_STATUS_NO_DIRECT_LINK = 48,
1706         WLAN_STATUS_STA_NOT_PRESENT = 49,
1707         WLAN_STATUS_STA_NOT_QSTA = 50,
1708         /* 802.11s */
1709         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1710         WLAN_STATUS_FCG_NOT_SUPP = 78,
1711         WLAN_STATUS_STA_NO_TBTT = 78,
1712         /* 802.11ad */
1713         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1714         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1715         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1716         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1717         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1718         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1719         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1720         WLAN_STATUS_REJECT_DSE_BAND = 96,
1721         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1722         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1723 };
1724
1725
1726 /* Reason codes */
1727 enum ieee80211_reasoncode {
1728         WLAN_REASON_UNSPECIFIED = 1,
1729         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1730         WLAN_REASON_DEAUTH_LEAVING = 3,
1731         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1732         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1733         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1734         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1735         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1736         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1737         /* 802.11h */
1738         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1739         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1740         /* 802.11i */
1741         WLAN_REASON_INVALID_IE = 13,
1742         WLAN_REASON_MIC_FAILURE = 14,
1743         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1744         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1745         WLAN_REASON_IE_DIFFERENT = 17,
1746         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1747         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1748         WLAN_REASON_INVALID_AKMP = 20,
1749         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1750         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1751         WLAN_REASON_IEEE8021X_FAILED = 23,
1752         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1753         /* TDLS (802.11z) */
1754         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1755         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1756         /* 802.11e */
1757         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1758         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1759         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1760         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1761         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1762         WLAN_REASON_QSTA_NOT_USE = 37,
1763         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1764         WLAN_REASON_QSTA_TIMEOUT = 39,
1765         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1766         /* 802.11s */
1767         WLAN_REASON_MESH_PEER_CANCELED = 52,
1768         WLAN_REASON_MESH_MAX_PEERS = 53,
1769         WLAN_REASON_MESH_CONFIG = 54,
1770         WLAN_REASON_MESH_CLOSE = 55,
1771         WLAN_REASON_MESH_MAX_RETRIES = 56,
1772         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1773         WLAN_REASON_MESH_INVALID_GTK = 58,
1774         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1775         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1776         WLAN_REASON_MESH_PATH_ERROR = 61,
1777         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1778         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1779         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1780         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1781         WLAN_REASON_MESH_CHAN = 66,
1782 };
1783
1784
1785 /* Information Element IDs */
1786 enum ieee80211_eid {
1787         WLAN_EID_SSID = 0,
1788         WLAN_EID_SUPP_RATES = 1,
1789         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1790         WLAN_EID_DS_PARAMS = 3,
1791         WLAN_EID_CF_PARAMS = 4,
1792         WLAN_EID_TIM = 5,
1793         WLAN_EID_IBSS_PARAMS = 6,
1794         WLAN_EID_COUNTRY = 7,
1795         /* 8, 9 reserved */
1796         WLAN_EID_REQUEST = 10,
1797         WLAN_EID_QBSS_LOAD = 11,
1798         WLAN_EID_EDCA_PARAM_SET = 12,
1799         WLAN_EID_TSPEC = 13,
1800         WLAN_EID_TCLAS = 14,
1801         WLAN_EID_SCHEDULE = 15,
1802         WLAN_EID_CHALLENGE = 16,
1803         /* 17-31 reserved for challenge text extension */
1804         WLAN_EID_PWR_CONSTRAINT = 32,
1805         WLAN_EID_PWR_CAPABILITY = 33,
1806         WLAN_EID_TPC_REQUEST = 34,
1807         WLAN_EID_TPC_REPORT = 35,
1808         WLAN_EID_SUPPORTED_CHANNELS = 36,
1809         WLAN_EID_CHANNEL_SWITCH = 37,
1810         WLAN_EID_MEASURE_REQUEST = 38,
1811         WLAN_EID_MEASURE_REPORT = 39,
1812         WLAN_EID_QUIET = 40,
1813         WLAN_EID_IBSS_DFS = 41,
1814         WLAN_EID_ERP_INFO = 42,
1815         WLAN_EID_TS_DELAY = 43,
1816         WLAN_EID_TCLAS_PROCESSING = 44,
1817         WLAN_EID_HT_CAPABILITY = 45,
1818         WLAN_EID_QOS_CAPA = 46,
1819         /* 47 reserved for Broadcom */
1820         WLAN_EID_RSN = 48,
1821         WLAN_EID_802_15_COEX = 49,
1822         WLAN_EID_EXT_SUPP_RATES = 50,
1823         WLAN_EID_AP_CHAN_REPORT = 51,
1824         WLAN_EID_NEIGHBOR_REPORT = 52,
1825         WLAN_EID_RCPI = 53,
1826         WLAN_EID_MOBILITY_DOMAIN = 54,
1827         WLAN_EID_FAST_BSS_TRANSITION = 55,
1828         WLAN_EID_TIMEOUT_INTERVAL = 56,
1829         WLAN_EID_RIC_DATA = 57,
1830         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1831         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1832         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1833         WLAN_EID_HT_OPERATION = 61,
1834         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1835         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1836         WLAN_EID_ANTENNA_INFO = 64,
1837         WLAN_EID_RSNI = 65,
1838         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1839         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1840         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1841         WLAN_EID_TIME_ADVERTISEMENT = 69,
1842         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1843         WLAN_EID_MULTIPLE_BSSID = 71,
1844         WLAN_EID_BSS_COEX_2040 = 72,
1845         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1846         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1847         WLAN_EID_RIC_DESCRIPTOR = 75,
1848         WLAN_EID_MMIE = 76,
1849         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1850         WLAN_EID_EVENT_REQUEST = 78,
1851         WLAN_EID_EVENT_REPORT = 79,
1852         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1853         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1854         WLAN_EID_LOCATION_PARAMS = 82,
1855         WLAN_EID_NON_TX_BSSID_CAP =  83,
1856         WLAN_EID_SSID_LIST = 84,
1857         WLAN_EID_MULTI_BSSID_IDX = 85,
1858         WLAN_EID_FMS_DESCRIPTOR = 86,
1859         WLAN_EID_FMS_REQUEST = 87,
1860         WLAN_EID_FMS_RESPONSE = 88,
1861         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1862         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1863         WLAN_EID_TSF_REQUEST = 91,
1864         WLAN_EID_TSF_RESPOSNE = 92,
1865         WLAN_EID_WNM_SLEEP_MODE = 93,
1866         WLAN_EID_TIM_BCAST_REQ = 94,
1867         WLAN_EID_TIM_BCAST_RESP = 95,
1868         WLAN_EID_COLL_IF_REPORT = 96,
1869         WLAN_EID_CHANNEL_USAGE = 97,
1870         WLAN_EID_TIME_ZONE = 98,
1871         WLAN_EID_DMS_REQUEST = 99,
1872         WLAN_EID_DMS_RESPONSE = 100,
1873         WLAN_EID_LINK_ID = 101,
1874         WLAN_EID_WAKEUP_SCHEDUL = 102,
1875         /* 103 reserved */
1876         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1877         WLAN_EID_PTI_CONTROL = 105,
1878         WLAN_EID_PU_BUFFER_STATUS = 106,
1879         WLAN_EID_INTERWORKING = 107,
1880         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1881         WLAN_EID_EXPEDITED_BW_REQ = 109,
1882         WLAN_EID_QOS_MAP_SET = 110,
1883         WLAN_EID_ROAMING_CONSORTIUM = 111,
1884         WLAN_EID_EMERGENCY_ALERT = 112,
1885         WLAN_EID_MESH_CONFIG = 113,
1886         WLAN_EID_MESH_ID = 114,
1887         WLAN_EID_LINK_METRIC_REPORT = 115,
1888         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1889         WLAN_EID_PEER_MGMT = 117,
1890         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1891         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1892         WLAN_EID_BEACON_TIMING = 120,
1893         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1894         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1895         WLAN_EID_MCCAOP_ADVERT = 123,
1896         WLAN_EID_MCCAOP_TEARDOWN = 124,
1897         WLAN_EID_GANN = 125,
1898         WLAN_EID_RANN = 126,
1899         WLAN_EID_EXT_CAPABILITY = 127,
1900         /* 128, 129 reserved for Agere */
1901         WLAN_EID_PREQ = 130,
1902         WLAN_EID_PREP = 131,
1903         WLAN_EID_PERR = 132,
1904         /* 133-136 reserved for Cisco */
1905         WLAN_EID_PXU = 137,
1906         WLAN_EID_PXUC = 138,
1907         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1908         WLAN_EID_MIC = 140,
1909         WLAN_EID_DESTINATION_URI = 141,
1910         WLAN_EID_UAPSD_COEX = 142,
1911         WLAN_EID_WAKEUP_SCHEDULE = 143,
1912         WLAN_EID_EXT_SCHEDULE = 144,
1913         WLAN_EID_STA_AVAILABILITY = 145,
1914         WLAN_EID_DMG_TSPEC = 146,
1915         WLAN_EID_DMG_AT = 147,
1916         WLAN_EID_DMG_CAP = 148,
1917         /* 149 reserved for Cisco */
1918         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1919         WLAN_EID_DMG_OPERATION = 151,
1920         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1921         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1922         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1923         /* 155-156 reserved for Cisco */
1924         WLAN_EID_AWAKE_WINDOW = 157,
1925         WLAN_EID_MULTI_BAND = 158,
1926         WLAN_EID_ADDBA_EXT = 159,
1927         WLAN_EID_NEXT_PCP_LIST = 160,
1928         WLAN_EID_PCP_HANDOVER = 161,
1929         WLAN_EID_DMG_LINK_MARGIN = 162,
1930         WLAN_EID_SWITCHING_STREAM = 163,
1931         WLAN_EID_SESSION_TRANSITION = 164,
1932         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1933         WLAN_EID_CLUSTER_REPORT = 166,
1934         WLAN_EID_RELAY_CAP = 167,
1935         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1936         WLAN_EID_BEAM_LINK_MAINT = 169,
1937         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1938         WLAN_EID_U_PID = 171,
1939         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1940         /* 173 reserved for Symbol */
1941         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1942         WLAN_EID_QUIET_PERIOD_REQ = 175,
1943         /* 176 reserved for Symbol */
1944         WLAN_EID_QUIET_PERIOD_RESP = 177,
1945         /* 178-179 reserved for Symbol */
1946         /* 180 reserved for ISO/IEC 20011 */
1947         WLAN_EID_EPAC_POLICY = 182,
1948         WLAN_EID_CLISTER_TIME_OFF = 183,
1949         WLAN_EID_INTER_AC_PRIO = 184,
1950         WLAN_EID_SCS_DESCRIPTOR = 185,
1951         WLAN_EID_QLOAD_REPORT = 186,
1952         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1953         WLAN_EID_HL_STREAM_ID = 188,
1954         WLAN_EID_GCR_GROUP_ADDR = 189,
1955         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1956         WLAN_EID_VHT_CAPABILITY = 191,
1957         WLAN_EID_VHT_OPERATION = 192,
1958         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1959         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1960         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1961         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1962         WLAN_EID_AID = 197,
1963         WLAN_EID_QUIET_CHANNEL = 198,
1964         WLAN_EID_OPMODE_NOTIF = 199,
1965
1966         WLAN_EID_VENDOR_SPECIFIC = 221,
1967         WLAN_EID_QOS_PARAMETER = 222,
1968         WLAN_EID_CAG_NUMBER = 237,
1969         WLAN_EID_AP_CSN = 239,
1970         WLAN_EID_FILS_INDICATION = 240,
1971         WLAN_EID_DILS = 241,
1972         WLAN_EID_FRAGMENT = 242,
1973         WLAN_EID_EXTENSION = 255
1974 };
1975
1976 /* Element ID Extensions for Element ID 255 */
1977 enum ieee80211_eid_ext {
1978         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
1979         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
1980         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
1981         WLAN_EID_EXT_FILS_SESSION = 4,
1982         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
1983         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
1984         WLAN_EID_EXT_KEY_DELIVERY = 7,
1985         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
1986         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
1987         WLAN_EID_EXT_FILS_NONCE = 13,
1988 };
1989
1990 /* Action category code */
1991 enum ieee80211_category {
1992         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1993         WLAN_CATEGORY_QOS = 1,
1994         WLAN_CATEGORY_DLS = 2,
1995         WLAN_CATEGORY_BACK = 3,
1996         WLAN_CATEGORY_PUBLIC = 4,
1997         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
1998         WLAN_CATEGORY_HT = 7,
1999         WLAN_CATEGORY_SA_QUERY = 8,
2000         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2001         WLAN_CATEGORY_WNM = 10,
2002         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2003         WLAN_CATEGORY_TDLS = 12,
2004         WLAN_CATEGORY_MESH_ACTION = 13,
2005         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2006         WLAN_CATEGORY_SELF_PROTECTED = 15,
2007         WLAN_CATEGORY_DMG = 16,
2008         WLAN_CATEGORY_WMM = 17,
2009         WLAN_CATEGORY_FST = 18,
2010         WLAN_CATEGORY_UNPROT_DMG = 20,
2011         WLAN_CATEGORY_VHT = 21,
2012         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2013         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2014 };
2015
2016 /* SPECTRUM_MGMT action code */
2017 enum ieee80211_spectrum_mgmt_actioncode {
2018         WLAN_ACTION_SPCT_MSR_REQ = 0,
2019         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2020         WLAN_ACTION_SPCT_TPC_REQ = 2,
2021         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2022         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2023 };
2024
2025 /* HT action codes */
2026 enum ieee80211_ht_actioncode {
2027         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2028         WLAN_HT_ACTION_SMPS = 1,
2029         WLAN_HT_ACTION_PSMP = 2,
2030         WLAN_HT_ACTION_PCO_PHASE = 3,
2031         WLAN_HT_ACTION_CSI = 4,
2032         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2033         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2034         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2035 };
2036
2037 /* VHT action codes */
2038 enum ieee80211_vht_actioncode {
2039         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2040         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2041         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2042 };
2043
2044 /* Self Protected Action codes */
2045 enum ieee80211_self_protected_actioncode {
2046         WLAN_SP_RESERVED = 0,
2047         WLAN_SP_MESH_PEERING_OPEN = 1,
2048         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2049         WLAN_SP_MESH_PEERING_CLOSE = 3,
2050         WLAN_SP_MGK_INFORM = 4,
2051         WLAN_SP_MGK_ACK = 5,
2052 };
2053
2054 /* Mesh action codes */
2055 enum ieee80211_mesh_actioncode {
2056         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2057         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2058         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2059         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2060         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2061         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2062         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2063         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2064         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2065         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2066         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2067 };
2068
2069 /* Security key length */
2070 enum ieee80211_key_len {
2071         WLAN_KEY_LEN_WEP40 = 5,
2072         WLAN_KEY_LEN_WEP104 = 13,
2073         WLAN_KEY_LEN_CCMP = 16,
2074         WLAN_KEY_LEN_CCMP_256 = 32,
2075         WLAN_KEY_LEN_TKIP = 32,
2076         WLAN_KEY_LEN_AES_CMAC = 16,
2077         WLAN_KEY_LEN_SMS4 = 32,
2078         WLAN_KEY_LEN_GCMP = 16,
2079         WLAN_KEY_LEN_GCMP_256 = 32,
2080         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2081         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2082         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2083 };
2084
2085 #define IEEE80211_WEP_IV_LEN            4
2086 #define IEEE80211_WEP_ICV_LEN           4
2087 #define IEEE80211_CCMP_HDR_LEN          8
2088 #define IEEE80211_CCMP_MIC_LEN          8
2089 #define IEEE80211_CCMP_PN_LEN           6
2090 #define IEEE80211_CCMP_256_HDR_LEN      8
2091 #define IEEE80211_CCMP_256_MIC_LEN      16
2092 #define IEEE80211_CCMP_256_PN_LEN       6
2093 #define IEEE80211_TKIP_IV_LEN           8
2094 #define IEEE80211_TKIP_ICV_LEN          4
2095 #define IEEE80211_CMAC_PN_LEN           6
2096 #define IEEE80211_GMAC_PN_LEN           6
2097 #define IEEE80211_GCMP_HDR_LEN          8
2098 #define IEEE80211_GCMP_MIC_LEN          16
2099 #define IEEE80211_GCMP_PN_LEN           6
2100
2101 #define FILS_NONCE_LEN                  16
2102 #define FILS_MAX_KEK_LEN                64
2103
2104 /* Public action codes */
2105 enum ieee80211_pub_actioncode {
2106         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2107         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2108 };
2109
2110 /* TDLS action codes */
2111 enum ieee80211_tdls_actioncode {
2112         WLAN_TDLS_SETUP_REQUEST = 0,
2113         WLAN_TDLS_SETUP_RESPONSE = 1,
2114         WLAN_TDLS_SETUP_CONFIRM = 2,
2115         WLAN_TDLS_TEARDOWN = 3,
2116         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2117         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2118         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2119         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2120         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2121         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2122         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2123 };
2124
2125 /* Extended Channel Switching capability to be set in the 1st byte of
2126  * the @WLAN_EID_EXT_CAPABILITY information element
2127  */
2128 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2129
2130 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2131 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2132 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2133 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2134
2135 /* Interworking capabilities are set in 7th bit of 4th byte of the
2136  * @WLAN_EID_EXT_CAPABILITY information element
2137  */
2138 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2139
2140 /*
2141  * TDLS capabililites to be enabled in the 5th byte of the
2142  * @WLAN_EID_EXT_CAPABILITY information element
2143  */
2144 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2145 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2146 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2147
2148 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2149 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2150
2151 /* Defines the maximal number of MSDUs in an A-MSDU. */
2152 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2153 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2154
2155 /*
2156  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2157  * information element
2158  */
2159 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2160
2161 /* TDLS specific payload type in the LLC/SNAP header */
2162 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2163
2164 /* BSS Coex IE information field bits */
2165 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2166
2167 /**
2168  * enum - mesh synchronization method identifier
2169  *
2170  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2171  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2172  *      that will be specified in a vendor specific information element
2173  */
2174 enum {
2175         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2176         IEEE80211_SYNC_METHOD_VENDOR = 255,
2177 };
2178
2179 /**
2180  * enum - mesh path selection protocol identifier
2181  *
2182  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2183  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2184  *      be specified in a vendor specific information element
2185  */
2186 enum {
2187         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2188         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2189 };
2190
2191 /**
2192  * enum - mesh path selection metric identifier
2193  *
2194  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2195  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2196  *      specified in a vendor specific information element
2197  */
2198 enum {
2199         IEEE80211_PATH_METRIC_AIRTIME = 1,
2200         IEEE80211_PATH_METRIC_VENDOR = 255,
2201 };
2202
2203 /**
2204  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2205  *
2206  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2207  *
2208  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2209  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2210  *      this value
2211  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2212  *      the proactive PREQ with proactive PREP subfield set to 0
2213  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2214  *      supports the proactive PREQ with proactive PREP subfield set to 1
2215  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2216  *      the proactive RANN
2217  */
2218 enum ieee80211_root_mode_identifier {
2219         IEEE80211_ROOTMODE_NO_ROOT = 0,
2220         IEEE80211_ROOTMODE_ROOT = 1,
2221         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2222         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2223         IEEE80211_PROACTIVE_RANN = 4,
2224 };
2225
2226 /*
2227  * IEEE 802.11-2007 7.3.2.9 Country information element
2228  *
2229  * Minimum length is 8 octets, ie len must be evenly
2230  * divisible by 2
2231  */
2232
2233 /* Although the spec says 8 I'm seeing 6 in practice */
2234 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2235
2236 /* The Country String field of the element shall be 3 octets in length */
2237 #define IEEE80211_COUNTRY_STRING_LEN    3
2238
2239 /*
2240  * For regulatory extension stuff see IEEE 802.11-2007
2241  * Annex I (page 1141) and Annex J (page 1147). Also
2242  * review 7.3.2.9.
2243  *
2244  * When dot11RegulatoryClassesRequired is true and the
2245  * first_channel/reg_extension_id is >= 201 then the IE
2246  * compromises of the 'ext' struct represented below:
2247  *
2248  *  - Regulatory extension ID - when generating IE this just needs
2249  *    to be monotonically increasing for each triplet passed in
2250  *    the IE
2251  *  - Regulatory class - index into set of rules
2252  *  - Coverage class - index into air propagation time (Table 7-27),
2253  *    in microseconds, you can compute the air propagation time from
2254  *    the index by multiplying by 3, so index 10 yields a propagation
2255  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2256  *    yet. A value of 0 inicates air propagation of <= 1 us.
2257  *
2258  *  See also Table I.2 for Emission limit sets and table
2259  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2260  *  a reg_class to an emission limit set and behavior limit set.
2261  */
2262 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2263
2264 /*
2265  *  Channels numbers in the IE must be monotonically increasing
2266  *  if dot11RegulatoryClassesRequired is not true.
2267  *
2268  *  If dot11RegulatoryClassesRequired is true consecutive
2269  *  subband triplets following a regulatory triplet shall
2270  *  have monotonically increasing first_channel number fields.
2271  *
2272  *  Channel numbers shall not overlap.
2273  *
2274  *  Note that max_power is signed.
2275  */
2276 struct ieee80211_country_ie_triplet {
2277         union {
2278                 struct {
2279                         u8 first_channel;
2280                         u8 num_channels;
2281                         s8 max_power;
2282                 } __packed chans;
2283                 struct {
2284                         u8 reg_extension_id;
2285                         u8 reg_class;
2286                         u8 coverage_class;
2287                 } __packed ext;
2288         };
2289 } __packed;
2290
2291 enum ieee80211_timeout_interval_type {
2292         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2293         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2294         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2295 };
2296
2297 /**
2298  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2299  * @type: type, see &enum ieee80211_timeout_interval_type
2300  * @value: timeout interval value
2301  */
2302 struct ieee80211_timeout_interval_ie {
2303         u8 type;
2304         __le32 value;
2305 } __packed;
2306
2307 /* BACK action code */
2308 enum ieee80211_back_actioncode {
2309         WLAN_ACTION_ADDBA_REQ = 0,
2310         WLAN_ACTION_ADDBA_RESP = 1,
2311         WLAN_ACTION_DELBA = 2,
2312 };
2313
2314 /* BACK (block-ack) parties */
2315 enum ieee80211_back_parties {
2316         WLAN_BACK_RECIPIENT = 0,
2317         WLAN_BACK_INITIATOR = 1,
2318 };
2319
2320 /* SA Query action */
2321 enum ieee80211_sa_query_action {
2322         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2323         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2324 };
2325
2326
2327 /* cipher suite selectors */
2328 #define WLAN_CIPHER_SUITE_USE_GROUP     0x000FAC00
2329 #define WLAN_CIPHER_SUITE_WEP40         0x000FAC01
2330 #define WLAN_CIPHER_SUITE_TKIP          0x000FAC02
2331 /* reserved:                            0x000FAC03 */
2332 #define WLAN_CIPHER_SUITE_CCMP          0x000FAC04
2333 #define WLAN_CIPHER_SUITE_WEP104        0x000FAC05
2334 #define WLAN_CIPHER_SUITE_AES_CMAC      0x000FAC06
2335 #define WLAN_CIPHER_SUITE_GCMP          0x000FAC08
2336 #define WLAN_CIPHER_SUITE_GCMP_256      0x000FAC09
2337 #define WLAN_CIPHER_SUITE_CCMP_256      0x000FAC0A
2338 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  0x000FAC0B
2339 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  0x000FAC0C
2340 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  0x000FAC0D
2341
2342 #define WLAN_CIPHER_SUITE_SMS4          0x00147201
2343
2344 /* AKM suite selectors */
2345 #define WLAN_AKM_SUITE_8021X            0x000FAC01
2346 #define WLAN_AKM_SUITE_PSK              0x000FAC02
2347 #define WLAN_AKM_SUITE_8021X_SHA256     0x000FAC05
2348 #define WLAN_AKM_SUITE_PSK_SHA256       0x000FAC06
2349 #define WLAN_AKM_SUITE_TDLS             0x000FAC07
2350 #define WLAN_AKM_SUITE_SAE              0x000FAC08
2351 #define WLAN_AKM_SUITE_FT_OVER_SAE      0x000FAC09
2352
2353 #define WLAN_MAX_KEY_LEN                32
2354
2355 #define WLAN_PMKID_LEN                  16
2356
2357 #define WLAN_OUI_WFA                    0x506f9a
2358 #define WLAN_OUI_TYPE_WFA_P2P           9
2359 #define WLAN_OUI_MICROSOFT              0x0050f2
2360 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2361 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2362 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2363
2364 /*
2365  * WMM/802.11e Tspec Element
2366  */
2367 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2368 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2369
2370 enum ieee80211_tspec_status_code {
2371         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2372         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2373 };
2374
2375 struct ieee80211_tspec_ie {
2376         u8 element_id;
2377         u8 len;
2378         u8 oui[3];
2379         u8 oui_type;
2380         u8 oui_subtype;
2381         u8 version;
2382         __le16 tsinfo;
2383         u8 tsinfo_resvd;
2384         __le16 nominal_msdu;
2385         __le16 max_msdu;
2386         __le32 min_service_int;
2387         __le32 max_service_int;
2388         __le32 inactivity_int;
2389         __le32 suspension_int;
2390         __le32 service_start_time;
2391         __le32 min_data_rate;
2392         __le32 mean_data_rate;
2393         __le32 peak_data_rate;
2394         __le32 max_burst_size;
2395         __le32 delay_bound;
2396         __le32 min_phy_rate;
2397         __le16 sba;
2398         __le16 medium_time;
2399 } __packed;
2400
2401 /**
2402  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2403  * @hdr: the frame
2404  *
2405  * The qos ctrl bytes come after the frame_control, duration, seq_num
2406  * and 3 or 4 addresses of length ETH_ALEN.
2407  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2408  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2409  */
2410 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2411 {
2412         if (ieee80211_has_a4(hdr->frame_control))
2413                 return (u8 *)hdr + 30;
2414         else
2415                 return (u8 *)hdr + 24;
2416 }
2417
2418 /**
2419  * ieee80211_get_SA - get pointer to SA
2420  * @hdr: the frame
2421  *
2422  * Given an 802.11 frame, this function returns the offset
2423  * to the source address (SA). It does not verify that the
2424  * header is long enough to contain the address, and the
2425  * header must be long enough to contain the frame control
2426  * field.
2427  */
2428 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2429 {
2430         if (ieee80211_has_a4(hdr->frame_control))
2431                 return hdr->addr4;
2432         if (ieee80211_has_fromds(hdr->frame_control))
2433                 return hdr->addr3;
2434         return hdr->addr2;
2435 }
2436
2437 /**
2438  * ieee80211_get_DA - get pointer to DA
2439  * @hdr: the frame
2440  *
2441  * Given an 802.11 frame, this function returns the offset
2442  * to the destination address (DA). It does not verify that
2443  * the header is long enough to contain the address, and the
2444  * header must be long enough to contain the frame control
2445  * field.
2446  */
2447 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2448 {
2449         if (ieee80211_has_tods(hdr->frame_control))
2450                 return hdr->addr3;
2451         else
2452                 return hdr->addr1;
2453 }
2454
2455 /**
2456  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2457  * @hdr: the frame (buffer must include at least the first octet of payload)
2458  */
2459 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2460 {
2461         if (ieee80211_is_disassoc(hdr->frame_control) ||
2462             ieee80211_is_deauth(hdr->frame_control))
2463                 return true;
2464
2465         if (ieee80211_is_action(hdr->frame_control)) {
2466                 u8 *category;
2467
2468                 /*
2469                  * Action frames, excluding Public Action frames, are Robust
2470                  * Management Frames. However, if we are looking at a Protected
2471                  * frame, skip the check since the data may be encrypted and
2472                  * the frame has already been found to be a Robust Management
2473                  * Frame (by the other end).
2474                  */
2475                 if (ieee80211_has_protected(hdr->frame_control))
2476                         return true;
2477                 category = ((u8 *) hdr) + 24;
2478                 return *category != WLAN_CATEGORY_PUBLIC &&
2479                         *category != WLAN_CATEGORY_HT &&
2480                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2481                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2482                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2483                         *category != WLAN_CATEGORY_VHT &&
2484                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2485         }
2486
2487         return false;
2488 }
2489
2490 /**
2491  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2492  * @skb: the skb containing the frame, length will be checked
2493  */
2494 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2495 {
2496         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2497                 return false;
2498         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2499 }
2500
2501 /**
2502  * ieee80211_is_public_action - check if frame is a public action frame
2503  * @hdr: the frame
2504  * @len: length of the frame
2505  */
2506 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2507                                               size_t len)
2508 {
2509         struct ieee80211_mgmt *mgmt = (void *)hdr;
2510
2511         if (len < IEEE80211_MIN_ACTION_SIZE)
2512                 return false;
2513         if (!ieee80211_is_action(hdr->frame_control))
2514                 return false;
2515         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2516 }
2517
2518 /**
2519  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2520  * privacy action frame
2521  * @hdr: the frame
2522  */
2523 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2524 {
2525         struct ieee80211_mgmt *mgmt = (void *)hdr;
2526
2527         if (!ieee80211_is_action(hdr->frame_control) ||
2528             !is_multicast_ether_addr(hdr->addr1))
2529                 return false;
2530
2531         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2532                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2533 }
2534
2535 /**
2536  * ieee80211_is_group_privacy_action - check if frame is a group addressed
2537  * privacy action frame
2538  * @skb: the skb containing the frame, length will be checked
2539  */
2540 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
2541 {
2542         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2543                 return false;
2544         return _ieee80211_is_group_privacy_action((void *)skb->data);
2545 }
2546
2547 /**
2548  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2549  * @tu: the TUs
2550  */
2551 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2552 {
2553         return 1024 * tu;
2554 }
2555
2556 /**
2557  * ieee80211_check_tim - check if AID bit is set in TIM
2558  * @tim: the TIM IE
2559  * @tim_len: length of the TIM IE
2560  * @aid: the AID to look for
2561  */
2562 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2563                                        u8 tim_len, u16 aid)
2564 {
2565         u8 mask;
2566         u8 index, indexn1, indexn2;
2567
2568         if (unlikely(!tim || tim_len < sizeof(*tim)))
2569                 return false;
2570
2571         aid &= 0x3fff;
2572         index = aid / 8;
2573         mask  = 1 << (aid & 7);
2574
2575         indexn1 = tim->bitmap_ctrl & 0xfe;
2576         indexn2 = tim_len + indexn1 - 4;
2577
2578         if (index < indexn1 || index > indexn2)
2579                 return false;
2580
2581         index -= indexn1;
2582
2583         return !!(tim->virtual_map[index] & mask);
2584 }
2585
2586 /**
2587  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2588  * @skb: the skb containing the frame, length will not be checked
2589  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2590  *
2591  * This function assumes the frame is a data frame, and that the network header
2592  * is in the correct place.
2593  */
2594 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2595 {
2596         if (!skb_is_nonlinear(skb) &&
2597             skb->len > (skb_network_offset(skb) + 2)) {
2598                 /* Point to where the indication of TDLS should start */
2599                 const u8 *tdls_data = skb_network_header(skb) - 2;
2600
2601                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2602                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2603                     tdls_data[3] == WLAN_CATEGORY_TDLS)
2604                         return tdls_data[4];
2605         }
2606
2607         return -1;
2608 }
2609
2610 /* convert time units */
2611 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2612 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2613
2614 /**
2615  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2616  * @skb: the skb containing the frame, length will be checked
2617  *
2618  * This function checks if it's either TPC report action frame or Link
2619  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2620  * and 8.5.7.5 accordingly.
2621  */
2622 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2623 {
2624         struct ieee80211_mgmt *mgmt = (void *)skb->data;
2625
2626         if (!ieee80211_is_action(mgmt->frame_control))
2627                 return false;
2628
2629         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2630                        sizeof(mgmt->u.action.u.tpc_report))
2631                 return false;
2632
2633         /*
2634          * TPC report - check that:
2635          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2636          * spectrum management action = 3 (TPC/Link Measurement report)
2637          * TPC report EID = 35
2638          * TPC report element length = 2
2639          *
2640          * The spectrum management's tpc_report struct is used here both for
2641          * parsing tpc_report and radio measurement's link measurement report
2642          * frame, since the relevant part is identical in both frames.
2643          */
2644         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2645             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2646                 return false;
2647
2648         /* both spectrum mgmt and link measurement have same action code */
2649         if (mgmt->u.action.u.tpc_report.action_code !=
2650             WLAN_ACTION_SPCT_TPC_RPRT)
2651                 return false;
2652
2653         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2654             mgmt->u.action.u.tpc_report.tpc_elem_length !=
2655             sizeof(struct ieee80211_tpc_report_ie))
2656                 return false;
2657
2658         return true;
2659 }
2660
2661 #endif /* LINUX_IEEE80211_H */