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 - 2017 Intel Deutschland GmbH
  11  * Copyright (c) 2018        Intel Corporation
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17
  18 #ifndef LINUX_IEEE80211_H
  19 #define LINUX_IEEE80211_H
  20
  21 #include <linux/types.h>
  22 #include <linux/if_ether.h>
  23 #include <linux/etherdevice.h>
  24 #include <asm/byteorder.h>
  25 #include <asm/unaligned.h>
  26
  27 /*
  28  * DS bit usage
  29  *
  30  * TA = transmitter address
  31  * RA = receiver address
  32  * DA = destination address
  33  * SA = source address
  34  *
  35  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  36  * -----------------------------------------------------------------
  37  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  38  *  0       1       DA      BSSID   SA      -       AP -> STA
  39  *  1       0       BSSID   SA      DA      -       AP <- STA
  40  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  41  */
  42
  43 #define FCS_LEN 4
  44
  45 #define IEEE80211_FCTL_VERS             0x0003
  46 #define IEEE80211_FCTL_FTYPE            0x000c
  47 #define IEEE80211_FCTL_STYPE            0x00f0
  48 #define IEEE80211_FCTL_TODS             0x0100
  49 #define IEEE80211_FCTL_FROMDS           0x0200
  50 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  51 #define IEEE80211_FCTL_RETRY            0x0800
  52 #define IEEE80211_FCTL_PM               0x1000
  53 #define IEEE80211_FCTL_MOREDATA         0x2000
  54 #define IEEE80211_FCTL_PROTECTED        0x4000
  55 #define IEEE80211_FCTL_ORDER            0x8000
  56 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  57
  58 #define IEEE80211_SCTL_FRAG             0x000F
  59 #define IEEE80211_SCTL_SEQ              0xFFF0
  60
  61 #define IEEE80211_FTYPE_MGMT            0x0000
  62 #define IEEE80211_FTYPE_CTL             0x0004
  63 #define IEEE80211_FTYPE_DATA            0x0008
  64 #define IEEE80211_FTYPE_EXT             0x000c
  65
  66 /* management */
  67 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  68 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  69 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  70 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  71 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  72 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  73 #define IEEE80211_STYPE_BEACON          0x0080
  74 #define IEEE80211_STYPE_ATIM            0x0090
  75 #define IEEE80211_STYPE_DISASSOC        0x00A0
  76 #define IEEE80211_STYPE_AUTH            0x00B0
  77 #define IEEE80211_STYPE_DEAUTH          0x00C0
  78 #define IEEE80211_STYPE_ACTION          0x00D0
  79
  80 /* control */
  81 #define IEEE80211_STYPE_CTL_EXT         0x0060
  82 #define IEEE80211_STYPE_BACK_REQ        0x0080
  83 #define IEEE80211_STYPE_BACK            0x0090
  84 #define IEEE80211_STYPE_PSPOLL          0x00A0
  85 #define IEEE80211_STYPE_RTS             0x00B0
  86 #define IEEE80211_STYPE_CTS             0x00C0
  87 #define IEEE80211_STYPE_ACK             0x00D0
  88 #define IEEE80211_STYPE_CFEND           0x00E0
  89 #define IEEE80211_STYPE_CFENDACK        0x00F0
  90
  91 /* data */
  92 #define IEEE80211_STYPE_DATA                    0x0000
  93 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  94 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  95 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  96 #define IEEE80211_STYPE_NULLFUNC                0x0040
  97 #define IEEE80211_STYPE_CFACK                   0x0050
  98 #define IEEE80211_STYPE_CFPOLL                  0x0060
  99 #define IEEE80211_STYPE_CFACKPOLL               0x0070
 100 #define IEEE80211_STYPE_QOS_DATA                0x0080
 101 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 102 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 103 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 104 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 105 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 106 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 107 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 108
 109 /* extension, added by 802.11ad */
 110 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 111
 112 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 113 #define IEEE80211_CTL_EXT_POLL          0x2000
 114 #define IEEE80211_CTL_EXT_SPR           0x3000
 115 #define IEEE80211_CTL_EXT_GRANT 0x4000
 116 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 117 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 118 #define IEEE80211_CTL_EXT_SSW           0x8000
 119 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 120 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 121
 122
 123 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 124 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 125 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 126
 127 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 128 {
 129         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 130 }
 131
 132 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 133 {
 134         return (sn1 + sn2) & IEEE80211_SN_MASK;
 135 }
 136
 137 static inline u16 ieee80211_sn_inc(u16 sn)
 138 {
 139         return ieee80211_sn_add(sn, 1);
 140 }
 141
 142 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 143 {
 144         return (sn1 - sn2) & IEEE80211_SN_MASK;
 145 }
 146
 147 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 148 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 149
 150 /* miscellaneous IEEE 802.11 constants */
 151 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 152 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 153 #define IEEE80211_MAX_AID               2007
 154 #define IEEE80211_MAX_TIM_LEN           251
 155 #define IEEE80211_MAX_MESH_PEERINGS     63
 156 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 157    6.2.1.1.2.
 158
 159    802.11e clarifies the figure in section 7.1.2. The frame body is
 160    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 161 #define IEEE80211_MAX_DATA_LEN          2304
 162 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 163  * to 7920 bytes, see 8.2.3 General frame format
 164  */
 165 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 166 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 167 #define IEEE80211_MAX_FRAME_LEN         2352
 168
 169 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 170 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 171
 172 /* Maximal size of an A-MSDU */
 173 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 174 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 175
 176 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 177 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 178 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 179
 180 #define IEEE80211_MAX_SSID_LEN          32
 181
 182 #define IEEE80211_MAX_MESH_ID_LEN       32
 183
 184 #define IEEE80211_FIRST_TSPEC_TSID      8
 185 #define IEEE80211_NUM_TIDS              16
 186
 187 /* number of user priorities 802.11 uses */
 188 #define IEEE80211_NUM_UPS               8
 189 /* number of ACs */
 190 #define IEEE80211_NUM_ACS               4
 191
 192 #define IEEE80211_QOS_CTL_LEN           2
 193 /* 1d tag mask */
 194 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 195 /* TID mask */
 196 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 197 /* EOSP */
 198 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 199 /* ACK policy */
 200 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 201 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 202 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 203 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 204 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 205 /* A-MSDU 802.11n */
 206 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 207 /* Mesh Control 802.11s */
 208 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 209
 210 /* Mesh Power Save Level */
 211 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 212 /* Mesh Receiver Service Period Initiated */
 213 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 214
 215 /* U-APSD queue for WMM IEs sent by AP */
 216 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 217 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 218
 219 /* U-APSD queues for WMM IEs sent by STA */
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 223 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 224 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 225
 226 /* U-APSD max SP length for WMM IEs sent by STA */
 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 230 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 231 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 232 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 233
 234 #define IEEE80211_HT_CTL_LEN            4
 235
 236 struct ieee80211_hdr {
 237         __le16 frame_control;
 238         __le16 duration_id;
 239         u8 addr1[ETH_ALEN];
 240         u8 addr2[ETH_ALEN];
 241         u8 addr3[ETH_ALEN];
 242         __le16 seq_ctrl;
 243         u8 addr4[ETH_ALEN];
 244 } __packed __aligned(2);
 245
 246 struct ieee80211_hdr_3addr {
 247         __le16 frame_control;
 248         __le16 duration_id;
 249         u8 addr1[ETH_ALEN];
 250         u8 addr2[ETH_ALEN];
 251         u8 addr3[ETH_ALEN];
 252         __le16 seq_ctrl;
 253 } __packed __aligned(2);
 254
 255 struct ieee80211_qos_hdr {
 256         __le16 frame_control;
 257         __le16 duration_id;
 258         u8 addr1[ETH_ALEN];
 259         u8 addr2[ETH_ALEN];
 260         u8 addr3[ETH_ALEN];
 261         __le16 seq_ctrl;
 262         __le16 qos_ctrl;
 263 } __packed __aligned(2);
 264
 265 /**
 266  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 267  * @fc: frame control bytes in little-endian byteorder
 268  */
 269 static inline bool ieee80211_has_tods(__le16 fc)
 270 {
 271         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 272 }
 273
 274 /**
 275  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 276  * @fc: frame control bytes in little-endian byteorder
 277  */
 278 static inline bool ieee80211_has_fromds(__le16 fc)
 279 {
 280         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 281 }
 282
 283 /**
 284  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 285  * @fc: frame control bytes in little-endian byteorder
 286  */
 287 static inline bool ieee80211_has_a4(__le16 fc)
 288 {
 289         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 290         return (fc & tmp) == tmp;
 291 }
 292
 293 /**
 294  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 295  * @fc: frame control bytes in little-endian byteorder
 296  */
 297 static inline bool ieee80211_has_morefrags(__le16 fc)
 298 {
 299         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 300 }
 301
 302 /**
 303  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 304  * @fc: frame control bytes in little-endian byteorder
 305  */
 306 static inline bool ieee80211_has_retry(__le16 fc)
 307 {
 308         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 309 }
 310
 311 /**
 312  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 313  * @fc: frame control bytes in little-endian byteorder
 314  */
 315 static inline bool ieee80211_has_pm(__le16 fc)
 316 {
 317         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 318 }
 319
 320 /**
 321  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 322  * @fc: frame control bytes in little-endian byteorder
 323  */
 324 static inline bool ieee80211_has_moredata(__le16 fc)
 325 {
 326         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 327 }
 328
 329 /**
 330  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 331  * @fc: frame control bytes in little-endian byteorder
 332  */
 333 static inline bool ieee80211_has_protected(__le16 fc)
 334 {
 335         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 336 }
 337
 338 /**
 339  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 340  * @fc: frame control bytes in little-endian byteorder
 341  */
 342 static inline bool ieee80211_has_order(__le16 fc)
 343 {
 344         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 345 }
 346
 347 /**
 348  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 349  * @fc: frame control bytes in little-endian byteorder
 350  */
 351 static inline bool ieee80211_is_mgmt(__le16 fc)
 352 {
 353         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 354                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 355 }
 356
 357 /**
 358  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 359  * @fc: frame control bytes in little-endian byteorder
 360  */
 361 static inline bool ieee80211_is_ctl(__le16 fc)
 362 {
 363         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 364                cpu_to_le16(IEEE80211_FTYPE_CTL);
 365 }
 366
 367 /**
 368  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 369  * @fc: frame control bytes in little-endian byteorder
 370  */
 371 static inline bool ieee80211_is_data(__le16 fc)
 372 {
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 374                cpu_to_le16(IEEE80211_FTYPE_DATA);
 375 }
 376
 377 /**
 378  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_is_data_qos(__le16 fc)
 382 {
 383         /*
 384          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 385          * to check the one bit
 386          */
 387         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 388                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 389 }
 390
 391 /**
 392  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_is_data_present(__le16 fc)
 396 {
 397         /*
 398          * mask with 0x40 and test that that bit is clear to only return true
 399          * for the data-containing substypes.
 400          */
 401         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 402                cpu_to_le16(IEEE80211_FTYPE_DATA);
 403 }
 404
 405 /**
 406  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 407  * @fc: frame control bytes in little-endian byteorder
 408  */
 409 static inline bool ieee80211_is_assoc_req(__le16 fc)
 410 {
 411         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 412                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 413 }
 414
 415 /**
 416  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 417  * @fc: frame control bytes in little-endian byteorder
 418  */
 419 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 420 {
 421         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 422                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 423 }
 424
 425 /**
 426  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 427  * @fc: frame control bytes in little-endian byteorder
 428  */
 429 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 430 {
 431         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 432                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 433 }
 434
 435 /**
 436  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 437  * @fc: frame control bytes in little-endian byteorder
 438  */
 439 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 440 {
 441         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 442                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 443 }
 444
 445 /**
 446  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 447  * @fc: frame control bytes in little-endian byteorder
 448  */
 449 static inline bool ieee80211_is_probe_req(__le16 fc)
 450 {
 451         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 452                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 453 }
 454
 455 /**
 456  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 457  * @fc: frame control bytes in little-endian byteorder
 458  */
 459 static inline bool ieee80211_is_probe_resp(__le16 fc)
 460 {
 461         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 462                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 463 }
 464
 465 /**
 466  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 467  * @fc: frame control bytes in little-endian byteorder
 468  */
 469 static inline bool ieee80211_is_beacon(__le16 fc)
 470 {
 471         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 472                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 473 }
 474
 475 /**
 476  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 477  * @fc: frame control bytes in little-endian byteorder
 478  */
 479 static inline bool ieee80211_is_atim(__le16 fc)
 480 {
 481         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 482                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 483 }
 484
 485 /**
 486  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 487  * @fc: frame control bytes in little-endian byteorder
 488  */
 489 static inline bool ieee80211_is_disassoc(__le16 fc)
 490 {
 491         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 492                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 493 }
 494
 495 /**
 496  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 497  * @fc: frame control bytes in little-endian byteorder
 498  */
 499 static inline bool ieee80211_is_auth(__le16 fc)
 500 {
 501         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 502                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 503 }
 504
 505 /**
 506  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 507  * @fc: frame control bytes in little-endian byteorder
 508  */
 509 static inline bool ieee80211_is_deauth(__le16 fc)
 510 {
 511         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 512                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 513 }
 514
 515 /**
 516  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 517  * @fc: frame control bytes in little-endian byteorder
 518  */
 519 static inline bool ieee80211_is_action(__le16 fc)
 520 {
 521         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 522                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 523 }
 524
 525 /**
 526  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 527  * @fc: frame control bytes in little-endian byteorder
 528  */
 529 static inline bool ieee80211_is_back_req(__le16 fc)
 530 {
 531         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 532                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 533 }
 534
 535 /**
 536  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 537  * @fc: frame control bytes in little-endian byteorder
 538  */
 539 static inline bool ieee80211_is_back(__le16 fc)
 540 {
 541         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 542                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 543 }
 544
 545 /**
 546  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 547  * @fc: frame control bytes in little-endian byteorder
 548  */
 549 static inline bool ieee80211_is_pspoll(__le16 fc)
 550 {
 551         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 552                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 553 }
 554
 555 /**
 556  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 557  * @fc: frame control bytes in little-endian byteorder
 558  */
 559 static inline bool ieee80211_is_rts(__le16 fc)
 560 {
 561         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 562                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 563 }
 564
 565 /**
 566  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 567  * @fc: frame control bytes in little-endian byteorder
 568  */
 569 static inline bool ieee80211_is_cts(__le16 fc)
 570 {
 571         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 572                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 573 }
 574
 575 /**
 576  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 577  * @fc: frame control bytes in little-endian byteorder
 578  */
 579 static inline bool ieee80211_is_ack(__le16 fc)
 580 {
 581         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 582                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 583 }
 584
 585 /**
 586  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 587  * @fc: frame control bytes in little-endian byteorder
 588  */
 589 static inline bool ieee80211_is_cfend(__le16 fc)
 590 {
 591         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 592                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 593 }
 594
 595 /**
 596  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 597  * @fc: frame control bytes in little-endian byteorder
 598  */
 599 static inline bool ieee80211_is_cfendack(__le16 fc)
 600 {
 601         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 602                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 603 }
 604
 605 /**
 606  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 607  * @fc: frame control bytes in little-endian byteorder
 608  */
 609 static inline bool ieee80211_is_nullfunc(__le16 fc)
 610 {
 611         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 612                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 613 }
 614
 615 /**
 616  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 617  * @fc: frame control bytes in little-endian byteorder
 618  */
 619 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 620 {
 621         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 622                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 623 }
 624
 625 /**
 626  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 627  * @fc: frame control field in little-endian byteorder
 628  */
 629 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 630 {
 631         /* IEEE 802.11-2012, definition of "bufferable management frame";
 632          * note that this ignores the IBSS special case. */
 633         return ieee80211_is_mgmt(fc) &&
 634                (ieee80211_is_action(fc) ||
 635                 ieee80211_is_disassoc(fc) ||
 636                 ieee80211_is_deauth(fc));
 637 }
 638
 639 /**
 640  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 641  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 642  */
 643 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 644 {
 645         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 646 }
 647
 648 /**
 649  * ieee80211_is_frag - check if a frame is a fragment
 650  * @hdr: 802.11 header of the frame
 651  */
 652 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 653 {
 654         return ieee80211_has_morefrags(hdr->frame_control) ||
 655                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 656 }
 657
 658 struct ieee80211s_hdr {
 659         u8 flags;
 660         u8 ttl;
 661         __le32 seqnum;
 662         u8 eaddr1[ETH_ALEN];
 663         u8 eaddr2[ETH_ALEN];
 664 } __packed __aligned(2);
 665
 666 /* Mesh flags */
 667 #define MESH_FLAGS_AE_A4        0x1
 668 #define MESH_FLAGS_AE_A5_A6     0x2
 669 #define MESH_FLAGS_AE           0x3
 670 #define MESH_FLAGS_PS_DEEP      0x4
 671
 672 /**
 673  * enum ieee80211_preq_flags - mesh PREQ element flags
 674  *
 675  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 676  */
 677 enum ieee80211_preq_flags {
 678         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 679 };
 680
 681 /**
 682  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 683  *
 684  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 685  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 686  */
 687 enum ieee80211_preq_target_flags {
 688         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 689         IEEE80211_PREQ_USN_FLAG = 1<<2,
 690 };
 691
 692 /**
 693  * struct ieee80211_quiet_ie
 694  *
 695  * This structure refers to "Quiet information element"
 696  */
 697 struct ieee80211_quiet_ie {
 698         u8 count;
 699         u8 period;
 700         __le16 duration;
 701         __le16 offset;
 702 } __packed;
 703
 704 /**
 705  * struct ieee80211_msrment_ie
 706  *
 707  * This structure refers to "Measurement Request/Report information element"
 708  */
 709 struct ieee80211_msrment_ie {
 710         u8 token;
 711         u8 mode;
 712         u8 type;
 713         u8 request[0];
 714 } __packed;
 715
 716 /**
 717  * struct ieee80211_channel_sw_ie
 718  *
 719  * This structure refers to "Channel Switch Announcement information element"
 720  */
 721 struct ieee80211_channel_sw_ie {
 722         u8 mode;
 723         u8 new_ch_num;
 724         u8 count;
 725 } __packed;
 726
 727 /**
 728  * struct ieee80211_ext_chansw_ie
 729  *
 730  * This structure represents the "Extended Channel Switch Announcement element"
 731  */
 732 struct ieee80211_ext_chansw_ie {
 733         u8 mode;
 734         u8 new_operating_class;
 735         u8 new_ch_num;
 736         u8 count;
 737 } __packed;
 738
 739 /**
 740  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 741  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 742  *      values here
 743  * This structure represents the "Secondary Channel Offset element"
 744  */
 745 struct ieee80211_sec_chan_offs_ie {
 746         u8 sec_chan_offs;
 747 } __packed;
 748
 749 /**
 750  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 751  *
 752  * This structure represents the "Mesh Channel Switch Paramters element"
 753  */
 754 struct ieee80211_mesh_chansw_params_ie {
 755         u8 mesh_ttl;
 756         u8 mesh_flags;
 757         __le16 mesh_reason;
 758         __le16 mesh_pre_value;
 759 } __packed;
 760
 761 /**
 762  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 763  */
 764 struct ieee80211_wide_bw_chansw_ie {
 765         u8 new_channel_width;
 766         u8 new_center_freq_seg0, new_center_freq_seg1;
 767 } __packed;
 768
 769 /**
 770  * struct ieee80211_tim
 771  *
 772  * This structure refers to "Traffic Indication Map information element"
 773  */
 774 struct ieee80211_tim_ie {
 775         u8 dtim_count;
 776         u8 dtim_period;
 777         u8 bitmap_ctrl;
 778         /* variable size: 1 - 251 bytes */
 779         u8 virtual_map[1];
 780 } __packed;
 781
 782 /**
 783  * struct ieee80211_meshconf_ie
 784  *
 785  * This structure refers to "Mesh Configuration information element"
 786  */
 787 struct ieee80211_meshconf_ie {
 788         u8 meshconf_psel;
 789         u8 meshconf_pmetric;
 790         u8 meshconf_congest;
 791         u8 meshconf_synch;
 792         u8 meshconf_auth;
 793         u8 meshconf_form;
 794         u8 meshconf_cap;
 795 } __packed;
 796
 797 /**
 798  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 799  *
 800  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 801  *      additional mesh peerings with other mesh STAs
 802  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 803  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 804  *      is ongoing
 805  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 806  *      neighbors in deep sleep mode
 807  */
 808 enum mesh_config_capab_flags {
 809         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 810         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 811         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 812         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 813 };
 814
 815 /**
 816  * mesh channel switch parameters element's flag indicator
 817  *
 818  */
 819 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 820 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 821 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 822
 823 /**
 824  * struct ieee80211_rann_ie
 825  *
 826  * This structure refers to "Root Announcement information element"
 827  */
 828 struct ieee80211_rann_ie {
 829         u8 rann_flags;
 830         u8 rann_hopcount;
 831         u8 rann_ttl;
 832         u8 rann_addr[ETH_ALEN];
 833         __le32 rann_seq;
 834         __le32 rann_interval;
 835         __le32 rann_metric;
 836 } __packed;
 837
 838 enum ieee80211_rann_flags {
 839         RANN_FLAG_IS_GATE = 1 << 0,
 840 };
 841
 842 enum ieee80211_ht_chanwidth_values {
 843         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 844         IEEE80211_HT_CHANWIDTH_ANY = 1,
 845 };
 846
 847 /**
 848  * enum ieee80211_opmode_bits - VHT operating mode field bits
 849  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 850  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 853  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 854  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 855  *      (the NSS value is the value of this field + 1)
 856  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 857  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 858  *      using a beamforming steering matrix
 859  */
 860 enum ieee80211_vht_opmode_bits {
 861         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 862         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 863         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 864         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 865         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 866         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 867         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 868         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 869 };
 870
 871 #define WLAN_SA_QUERY_TR_ID_LEN 2
 872 #define WLAN_MEMBERSHIP_LEN 8
 873 #define WLAN_USER_POSITION_LEN 16
 874
 875 /**
 876  * struct ieee80211_tpc_report_ie
 877  *
 878  * This structure refers to "TPC Report element"
 879  */
 880 struct ieee80211_tpc_report_ie {
 881         u8 tx_power;
 882         u8 link_margin;
 883 } __packed;
 884
 885 struct ieee80211_mgmt {
 886         __le16 frame_control;
 887         __le16 duration;
 888         u8 da[ETH_ALEN];
 889         u8 sa[ETH_ALEN];
 890         u8 bssid[ETH_ALEN];
 891         __le16 seq_ctrl;
 892         union {
 893                 struct {
 894                         __le16 auth_alg;
 895                         __le16 auth_transaction;
 896                         __le16 status_code;
 897                         /* possibly followed by Challenge text */
 898                         u8 variable[0];
 899                 } __packed auth;
 900                 struct {
 901                         __le16 reason_code;
 902                 } __packed deauth;
 903                 struct {
 904                         __le16 capab_info;
 905                         __le16 listen_interval;
 906                         /* followed by SSID and Supported rates */
 907                         u8 variable[0];
 908                 } __packed assoc_req;
 909                 struct {
 910                         __le16 capab_info;
 911                         __le16 status_code;
 912                         __le16 aid;
 913                         /* followed by Supported rates */
 914                         u8 variable[0];
 915                 } __packed assoc_resp, reassoc_resp;
 916                 struct {
 917                         __le16 capab_info;
 918                         __le16 listen_interval;
 919                         u8 current_ap[ETH_ALEN];
 920                         /* followed by SSID and Supported rates */
 921                         u8 variable[0];
 922                 } __packed reassoc_req;
 923                 struct {
 924                         __le16 reason_code;
 925                 } __packed disassoc;
 926                 struct {
 927                         __le64 timestamp;
 928                         __le16 beacon_int;
 929                         __le16 capab_info;
 930                         /* followed by some of SSID, Supported rates,
 931                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 932                         u8 variable[0];
 933                 } __packed beacon;
 934                 struct {
 935                         /* only variable items: SSID, Supported rates */
 936                         u8 variable[0];
 937                 } __packed probe_req;
 938                 struct {
 939                         __le64 timestamp;
 940                         __le16 beacon_int;
 941                         __le16 capab_info;
 942                         /* followed by some of SSID, Supported rates,
 943                          * FH Params, DS Params, CF Params, IBSS Params */
 944                         u8 variable[0];
 945                 } __packed probe_resp;
 946                 struct {
 947                         u8 category;
 948                         union {
 949                                 struct {
 950                                         u8 action_code;
 951                                         u8 dialog_token;
 952                                         u8 status_code;
 953                                         u8 variable[0];
 954                                 } __packed wme_action;
 955                                 struct{
 956                                         u8 action_code;
 957                                         u8 variable[0];
 958                                 } __packed chan_switch;
 959                                 struct{
 960                                         u8 action_code;
 961                                         struct ieee80211_ext_chansw_ie data;
 962                                         u8 variable[0];
 963                                 } __packed ext_chan_switch;
 964                                 struct{
 965                                         u8 action_code;
 966                                         u8 dialog_token;
 967                                         u8 element_id;
 968                                         u8 length;
 969                                         struct ieee80211_msrment_ie msr_elem;
 970                                 } __packed measurement;
 971                                 struct{
 972                                         u8 action_code;
 973                                         u8 dialog_token;
 974                                         __le16 capab;
 975                                         __le16 timeout;
 976                                         __le16 start_seq_num;
 977                                 } __packed addba_req;
 978                                 struct{
 979                                         u8 action_code;
 980                                         u8 dialog_token;
 981                                         __le16 status;
 982                                         __le16 capab;
 983                                         __le16 timeout;
 984                                 } __packed addba_resp;
 985                                 struct{
 986                                         u8 action_code;
 987                                         __le16 params;
 988                                         __le16 reason_code;
 989                                 } __packed delba;
 990                                 struct {
 991                                         u8 action_code;
 992                                         u8 variable[0];
 993                                 } __packed self_prot;
 994                                 struct{
 995                                         u8 action_code;
 996                                         u8 variable[0];
 997                                 } __packed mesh_action;
 998                                 struct {
 999                                         u8 action;
1000                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1001                                 } __packed sa_query;
1002                                 struct {
1003                                         u8 action;
1004                                         u8 smps_control;
1005                                 } __packed ht_smps;
1006                                 struct {
1007                                         u8 action_code;
1008                                         u8 chanwidth;
1009                                 } __packed ht_notify_cw;
1010                                 struct {
1011                                         u8 action_code;
1012                                         u8 dialog_token;
1013                                         __le16 capability;
1014                                         u8 variable[0];
1015                                 } __packed tdls_discover_resp;
1016                                 struct {
1017                                         u8 action_code;
1018                                         u8 operating_mode;
1019                                 } __packed vht_opmode_notif;
1020                                 struct {
1021                                         u8 action_code;
1022                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1023                                         u8 position[WLAN_USER_POSITION_LEN];
1024                                 } __packed vht_group_notif;
1025                                 struct {
1026                                         u8 action_code;
1027                                         u8 dialog_token;
1028                                         u8 tpc_elem_id;
1029                                         u8 tpc_elem_length;
1030                                         struct ieee80211_tpc_report_ie tpc;
1031                                 } __packed tpc_report;
1032                                 struct {
1033                                         u8 action_code;
1034                                         u8 dialog_token;
1035                                         u8 follow_up;
1036                                         u8 tod[6];
1037                                         u8 toa[6];
1038                                         __le16 tod_error;
1039                                         __le16 toa_error;
1040                                         u8 variable[0];
1041                                 } __packed ftm;
1042                         } u;
1043                 } __packed action;
1044         } u;
1045 } __packed __aligned(2);
1046
1047 /* Supported rates membership selectors */
1048 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1049 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1050
1051 /* mgmt header + 1 byte category code */
1052 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1053
1054
1055 /* Management MIC information element (IEEE 802.11w) */
1056 struct ieee80211_mmie {
1057         u8 element_id;
1058         u8 length;
1059         __le16 key_id;
1060         u8 sequence_number[6];
1061         u8 mic[8];
1062 } __packed;
1063
1064 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1065 struct ieee80211_mmie_16 {
1066         u8 element_id;
1067         u8 length;
1068         __le16 key_id;
1069         u8 sequence_number[6];
1070         u8 mic[16];
1071 } __packed;
1072
1073 struct ieee80211_vendor_ie {
1074         u8 element_id;
1075         u8 len;
1076         u8 oui[3];
1077         u8 oui_type;
1078 } __packed;
1079
1080 struct ieee80211_wmm_ac_param {
1081         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1082         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1083         __le16 txop_limit;
1084 } __packed;
1085
1086 struct ieee80211_wmm_param_ie {
1087         u8 element_id; /* Element ID: 221 (0xdd); */
1088         u8 len; /* Length: 24 */
1089         /* required fields for WMM version 1 */
1090         u8 oui[3]; /* 00:50:f2 */
1091         u8 oui_type; /* 2 */
1092         u8 oui_subtype; /* 1 */
1093         u8 version; /* 1 for WMM version 1.0 */
1094         u8 qos_info; /* AP/STA specific QoS info */
1095         u8 reserved; /* 0 */
1096         /* AC_BE, AC_BK, AC_VI, AC_VO */
1097         struct ieee80211_wmm_ac_param ac[4];
1098 } __packed;
1099
1100 /* Control frames */
1101 struct ieee80211_rts {
1102         __le16 frame_control;
1103         __le16 duration;
1104         u8 ra[ETH_ALEN];
1105         u8 ta[ETH_ALEN];
1106 } __packed __aligned(2);
1107
1108 struct ieee80211_cts {
1109         __le16 frame_control;
1110         __le16 duration;
1111         u8 ra[ETH_ALEN];
1112 } __packed __aligned(2);
1113
1114 struct ieee80211_pspoll {
1115         __le16 frame_control;
1116         __le16 aid;
1117         u8 bssid[ETH_ALEN];
1118         u8 ta[ETH_ALEN];
1119 } __packed __aligned(2);
1120
1121 /* TDLS */
1122
1123 /* Channel switch timing */
1124 struct ieee80211_ch_switch_timing {
1125         __le16 switch_time;
1126         __le16 switch_timeout;
1127 } __packed;
1128
1129 /* Link-id information element */
1130 struct ieee80211_tdls_lnkie {
1131         u8 ie_type; /* Link Identifier IE */
1132         u8 ie_len;
1133         u8 bssid[ETH_ALEN];
1134         u8 init_sta[ETH_ALEN];
1135         u8 resp_sta[ETH_ALEN];
1136 } __packed;
1137
1138 struct ieee80211_tdls_data {
1139         u8 da[ETH_ALEN];
1140         u8 sa[ETH_ALEN];
1141         __be16 ether_type;
1142         u8 payload_type;
1143         u8 category;
1144         u8 action_code;
1145         union {
1146                 struct {
1147                         u8 dialog_token;
1148                         __le16 capability;
1149                         u8 variable[0];
1150                 } __packed setup_req;
1151                 struct {
1152                         __le16 status_code;
1153                         u8 dialog_token;
1154                         __le16 capability;
1155                         u8 variable[0];
1156                 } __packed setup_resp;
1157                 struct {
1158                         __le16 status_code;
1159                         u8 dialog_token;
1160                         u8 variable[0];
1161                 } __packed setup_cfm;
1162                 struct {
1163                         __le16 reason_code;
1164                         u8 variable[0];
1165                 } __packed teardown;
1166                 struct {
1167                         u8 dialog_token;
1168                         u8 variable[0];
1169                 } __packed discover_req;
1170                 struct {
1171                         u8 target_channel;
1172                         u8 oper_class;
1173                         u8 variable[0];
1174                 } __packed chan_switch_req;
1175                 struct {
1176                         __le16 status_code;
1177                         u8 variable[0];
1178                 } __packed chan_switch_resp;
1179         } u;
1180 } __packed;
1181
1182 /*
1183  * Peer-to-Peer IE attribute related definitions.
1184  */
1185 /**
1186  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1187  */
1188 enum ieee80211_p2p_attr_id {
1189         IEEE80211_P2P_ATTR_STATUS = 0,
1190         IEEE80211_P2P_ATTR_MINOR_REASON,
1191         IEEE80211_P2P_ATTR_CAPABILITY,
1192         IEEE80211_P2P_ATTR_DEVICE_ID,
1193         IEEE80211_P2P_ATTR_GO_INTENT,
1194         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1195         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1196         IEEE80211_P2P_ATTR_GROUP_BSSID,
1197         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1198         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1199         IEEE80211_P2P_ATTR_MANAGABILITY,
1200         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1201         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1202         IEEE80211_P2P_ATTR_DEVICE_INFO,
1203         IEEE80211_P2P_ATTR_GROUP_INFO,
1204         IEEE80211_P2P_ATTR_GROUP_ID,
1205         IEEE80211_P2P_ATTR_INTERFACE,
1206         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1207         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1208         /* 19 - 220: Reserved */
1209         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1210
1211         IEEE80211_P2P_ATTR_MAX
1212 };
1213
1214 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1215 /* Typical max value used here */
1216 #define IEEE80211_P2P_NOA_DESC_MAX      4
1217
1218 struct ieee80211_p2p_noa_desc {
1219         u8 count;
1220         __le32 duration;
1221         __le32 interval;
1222         __le32 start_time;
1223 } __packed;
1224
1225 struct ieee80211_p2p_noa_attr {
1226         u8 index;
1227         u8 oppps_ctwindow;
1228         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1229 } __packed;
1230
1231 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1232 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1233
1234 /**
1235  * struct ieee80211_bar - HT Block Ack Request
1236  *
1237  * This structure refers to "HT BlockAckReq" as
1238  * described in 802.11n draft section 7.2.1.7.1
1239  */
1240 struct ieee80211_bar {
1241         __le16 frame_control;
1242         __le16 duration;
1243         __u8 ra[ETH_ALEN];
1244         __u8 ta[ETH_ALEN];
1245         __le16 control;
1246         __le16 start_seq_num;
1247 } __packed;
1248
1249 /* 802.11 BAR control masks */
1250 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1251 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1252 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1253 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1254 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1255
1256 #define IEEE80211_HT_MCS_MASK_LEN               10
1257
1258 /**
1259  * struct ieee80211_mcs_info - MCS information
1260  * @rx_mask: RX mask
1261  * @rx_highest: highest supported RX rate. If set represents
1262  *      the highest supported RX data rate in units of 1 Mbps.
1263  *      If this field is 0 this value should not be used to
1264  *      consider the highest RX data rate supported.
1265  * @tx_params: TX parameters
1266  */
1267 struct ieee80211_mcs_info {
1268         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1269         __le16 rx_highest;
1270         u8 tx_params;
1271         u8 reserved[3];
1272 } __packed;
1273
1274 /* 802.11n HT capability MSC set */
1275 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1276 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1277 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1278 /* value 0 == 1 stream etc */
1279 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1280 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1281 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1282 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1283
1284 /*
1285  * 802.11n D5.0 20.3.5 / 20.6 says:
1286  * - indices 0 to 7 and 32 are single spatial stream
1287  * - 8 to 31 are multiple spatial streams using equal modulation
1288  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1289  * - remainder are multiple spatial streams using unequal modulation
1290  */
1291 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1292 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1293         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1294
1295 /**
1296  * struct ieee80211_ht_cap - HT capabilities
1297  *
1298  * This structure is the "HT capabilities element" as
1299  * described in 802.11n D5.0 7.3.2.57
1300  */
1301 struct ieee80211_ht_cap {
1302         __le16 cap_info;
1303         u8 ampdu_params_info;
1304
1305         /* 16 bytes MCS information */
1306         struct ieee80211_mcs_info mcs;
1307
1308         __le16 extended_ht_cap_info;
1309         __le32 tx_BF_cap_info;
1310         u8 antenna_selection_info;
1311 } __packed;
1312
1313 /* 802.11n HT capabilities masks (for cap_info) */
1314 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1315 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1316 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1317 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1318 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1319 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1320 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1321 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1322 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1323 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1324 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1325 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1326 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1327 #define IEEE80211_HT_CAP_RESERVED               0x2000
1328 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1329 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1330
1331 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1332 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1333 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1334 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1335 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1336 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1337 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1338 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1339
1340 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1341 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1342 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1343 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1344
1345 /*
1346  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1347  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1348  */
1349 enum ieee80211_max_ampdu_length_exp {
1350         IEEE80211_HT_MAX_AMPDU_8K = 0,
1351         IEEE80211_HT_MAX_AMPDU_16K = 1,
1352         IEEE80211_HT_MAX_AMPDU_32K = 2,
1353         IEEE80211_HT_MAX_AMPDU_64K = 3
1354 };
1355
1356 /*
1357  * Maximum length of AMPDU that the STA can receive in VHT.
1358  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1359  */
1360 enum ieee80211_vht_max_ampdu_length_exp {
1361         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1362         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1363         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1364         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1365         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1366         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1367         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1368         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1369 };
1370
1371 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1372
1373 /* Minimum MPDU start spacing */
1374 enum ieee80211_min_mpdu_spacing {
1375         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1376         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1377         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1378         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1379         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1380         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1381         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1382         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1383 };
1384
1385 /**
1386  * struct ieee80211_ht_operation - HT operation IE
1387  *
1388  * This structure is the "HT operation element" as
1389  * described in 802.11n-2009 7.3.2.57
1390  */
1391 struct ieee80211_ht_operation {
1392         u8 primary_chan;
1393         u8 ht_param;
1394         __le16 operation_mode;
1395         __le16 stbc_param;
1396         u8 basic_set[16];
1397 } __packed;
1398
1399 /* for ht_param */
1400 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1401 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1402 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1403 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1404 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1405 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1406
1407 /* for operation_mode */
1408 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1409 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1410 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1411 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1412 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1413 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1414 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1415 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1416 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1417
1418 /* for stbc_param */
1419 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1420 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1421 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1422 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1423 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1424 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1425
1426
1427 /* block-ack parameters */
1428 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1429 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1430 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1431 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1432 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1433 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1434
1435 /*
1436  * A-PMDU buffer sizes
1437  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1438  */
1439 #define IEEE80211_MIN_AMPDU_BUF 0x8
1440 #define IEEE80211_MAX_AMPDU_BUF 0x40
1441
1442
1443 /* Spatial Multiplexing Power Save Modes (for capability) */
1444 #define WLAN_HT_CAP_SM_PS_STATIC        0
1445 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1446 #define WLAN_HT_CAP_SM_PS_INVALID       2
1447 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1448
1449 /* for SM power control field lower two bits */
1450 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1451 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1452 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1453
1454 /**
1455  * struct ieee80211_vht_mcs_info - VHT MCS information
1456  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1457  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1458  *      STA can receive. Rate expressed in units of 1 Mbps.
1459  *      If this field is 0 this value should not be used to
1460  *      consider the highest RX data rate supported.
1461  *      The top 3 bits of this field are reserved.
1462  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1463  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1464  *      STA can transmit. Rate expressed in units of 1 Mbps.
1465  *      If this field is 0 this value should not be used to
1466  *      consider the highest TX data rate supported.
1467  *      The top 3 bits of this field are reserved.
1468  */
1469 struct ieee80211_vht_mcs_info {
1470         __le16 rx_mcs_map;
1471         __le16 rx_highest;
1472         __le16 tx_mcs_map;
1473         __le16 tx_highest;
1474 } __packed;
1475
1476 /**
1477  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1478  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1479  *      number of streams
1480  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1481  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1482  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1483  *
1484  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1485  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1486  * both split into 8 subfields by number of streams. These values indicate
1487  * which MCSes are supported for the number of streams the value appears
1488  * for.
1489  */
1490 enum ieee80211_vht_mcs_support {
1491         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1492         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1493         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1494         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1495 };
1496
1497 /**
1498  * struct ieee80211_vht_cap - VHT capabilities
1499  *
1500  * This structure is the "VHT capabilities element" as
1501  * described in 802.11ac D3.0 8.4.2.160
1502  * @vht_cap_info: VHT capability info
1503  * @supp_mcs: VHT MCS supported rates
1504  */
1505 struct ieee80211_vht_cap {
1506         __le32 vht_cap_info;
1507         struct ieee80211_vht_mcs_info supp_mcs;
1508 } __packed;
1509
1510 /**
1511  * enum ieee80211_vht_chanwidth - VHT channel width
1512  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1513  *      determine the channel width (20 or 40 MHz)
1514  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1515  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1516  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1517  */
1518 enum ieee80211_vht_chanwidth {
1519         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1520         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1521         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1522         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1523 };
1524
1525 /**
1526  * struct ieee80211_vht_operation - VHT operation IE
1527  *
1528  * This structure is the "VHT operation element" as
1529  * described in 802.11ac D3.0 8.4.2.161
1530  * @chan_width: Operating channel width
1531  * @center_freq_seg0_idx: center freq segment 0 index
1532  * @center_freq_seg1_idx: center freq segment 1 index
1533  * @basic_mcs_set: VHT Basic MCS rate set
1534  */
1535 struct ieee80211_vht_operation {
1536         u8 chan_width;
1537         u8 center_freq_seg0_idx;
1538         u8 center_freq_seg1_idx;
1539         __le16 basic_mcs_set;
1540 } __packed;
1541
1542
1543 /* 802.11ac VHT Capabilities */
1544 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1545 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1546 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1547 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1548 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1549 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1550 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1551 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1552 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1553 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1554 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1555 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1556 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1557 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1558 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1559 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1560 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1561 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1562 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1563 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1564                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1565 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1566 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1567                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1568 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1569 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1570 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1571 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1572 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1573 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1574                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1575 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1576 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1577 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1578 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1579
1580 /* Authentication algorithms */
1581 #define WLAN_AUTH_OPEN 0
1582 #define WLAN_AUTH_SHARED_KEY 1
1583 #define WLAN_AUTH_FT 2
1584 #define WLAN_AUTH_SAE 3
1585 #define WLAN_AUTH_FILS_SK 4
1586 #define WLAN_AUTH_FILS_SK_PFS 5
1587 #define WLAN_AUTH_FILS_PK 6
1588 #define WLAN_AUTH_LEAP 128
1589
1590 #define WLAN_AUTH_CHALLENGE_LEN 128
1591
1592 #define WLAN_CAPABILITY_ESS             (1<<0)
1593 #define WLAN_CAPABILITY_IBSS            (1<<1)
1594
1595 /*
1596  * A mesh STA sets the ESS and IBSS capability bits to zero.
1597  * however, this holds true for p2p probe responses (in the p2p_find
1598  * phase) as well.
1599  */
1600 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1601         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1602
1603 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1604 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1605 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1606 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1607 #define WLAN_CAPABILITY_PBCC            (1<<6)
1608 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1609
1610 /* 802.11h */
1611 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1612 #define WLAN_CAPABILITY_QOS             (1<<9)
1613 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1614 #define WLAN_CAPABILITY_APSD            (1<<11)
1615 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1616 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1617 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1618 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1619
1620 /* DMG (60gHz) 802.11ad */
1621 /* type - bits 0..1 */
1622 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1623 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1624 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1625 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1626
1627 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1628 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1629 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1630 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1631
1632 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1633 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1634
1635 /* measurement */
1636 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1637 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1638 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1639
1640 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1641 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1642 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1643
1644 /* 802.11g ERP information element */
1645 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1646 #define WLAN_ERP_USE_PROTECTION (1<<1)
1647 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1648
1649 /* WLAN_ERP_BARKER_PREAMBLE values */
1650 enum {
1651         WLAN_ERP_PREAMBLE_SHORT = 0,
1652         WLAN_ERP_PREAMBLE_LONG = 1,
1653 };
1654
1655 /* Band ID, 802.11ad #8.4.1.45 */
1656 enum {
1657         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1658         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1659         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1660         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1661         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1662         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1663 };
1664
1665 /* Status codes */
1666 enum ieee80211_statuscode {
1667         WLAN_STATUS_SUCCESS = 0,
1668         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1669         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1670         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1671         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1672         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1673         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1674         WLAN_STATUS_CHALLENGE_FAIL = 15,
1675         WLAN_STATUS_AUTH_TIMEOUT = 16,
1676         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1677         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1678         /* 802.11b */
1679         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1680         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1681         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1682         /* 802.11h */
1683         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1684         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1685         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1686         /* 802.11g */
1687         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1688         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1689         /* 802.11w */
1690         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1691         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1692         /* 802.11i */
1693         WLAN_STATUS_INVALID_IE = 40,
1694         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1695         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1696         WLAN_STATUS_INVALID_AKMP = 43,
1697         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1698         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1699         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1700         /* 802.11e */
1701         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1702         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1703         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1704         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1705         WLAN_STATUS_REQUEST_DECLINED = 37,
1706         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1707         WLAN_STATUS_CHANGE_TSPEC = 39,
1708         WLAN_STATUS_WAIT_TS_DELAY = 47,
1709         WLAN_STATUS_NO_DIRECT_LINK = 48,
1710         WLAN_STATUS_STA_NOT_PRESENT = 49,
1711         WLAN_STATUS_STA_NOT_QSTA = 50,
1712         /* 802.11s */
1713         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1714         WLAN_STATUS_FCG_NOT_SUPP = 78,
1715         WLAN_STATUS_STA_NO_TBTT = 78,
1716         /* 802.11ad */
1717         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1718         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1719         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1720         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1721         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1722         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1723         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1724         WLAN_STATUS_REJECT_DSE_BAND = 96,
1725         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1726         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1727         /* 802.11ai */
1728         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
1729         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
1730 };
1731
1732
1733 /* Reason codes */
1734 enum ieee80211_reasoncode {
1735         WLAN_REASON_UNSPECIFIED = 1,
1736         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1737         WLAN_REASON_DEAUTH_LEAVING = 3,
1738         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1739         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1740         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1741         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1742         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1743         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1744         /* 802.11h */
1745         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1746         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1747         /* 802.11i */
1748         WLAN_REASON_INVALID_IE = 13,
1749         WLAN_REASON_MIC_FAILURE = 14,
1750         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1751         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1752         WLAN_REASON_IE_DIFFERENT = 17,
1753         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1754         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1755         WLAN_REASON_INVALID_AKMP = 20,
1756         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1757         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1758         WLAN_REASON_IEEE8021X_FAILED = 23,
1759         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1760         /* TDLS (802.11z) */
1761         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1762         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1763         /* 802.11e */
1764         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1765         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1766         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1767         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1768         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1769         WLAN_REASON_QSTA_NOT_USE = 37,
1770         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1771         WLAN_REASON_QSTA_TIMEOUT = 39,
1772         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1773         /* 802.11s */
1774         WLAN_REASON_MESH_PEER_CANCELED = 52,
1775         WLAN_REASON_MESH_MAX_PEERS = 53,
1776         WLAN_REASON_MESH_CONFIG = 54,
1777         WLAN_REASON_MESH_CLOSE = 55,
1778         WLAN_REASON_MESH_MAX_RETRIES = 56,
1779         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1780         WLAN_REASON_MESH_INVALID_GTK = 58,
1781         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1782         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1783         WLAN_REASON_MESH_PATH_ERROR = 61,
1784         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1785         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1786         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1787         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1788         WLAN_REASON_MESH_CHAN = 66,
1789 };
1790
1791
1792 /* Information Element IDs */
1793 enum ieee80211_eid {
1794         WLAN_EID_SSID = 0,
1795         WLAN_EID_SUPP_RATES = 1,
1796         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1797         WLAN_EID_DS_PARAMS = 3,
1798         WLAN_EID_CF_PARAMS = 4,
1799         WLAN_EID_TIM = 5,
1800         WLAN_EID_IBSS_PARAMS = 6,
1801         WLAN_EID_COUNTRY = 7,
1802         /* 8, 9 reserved */
1803         WLAN_EID_REQUEST = 10,
1804         WLAN_EID_QBSS_LOAD = 11,
1805         WLAN_EID_EDCA_PARAM_SET = 12,
1806         WLAN_EID_TSPEC = 13,
1807         WLAN_EID_TCLAS = 14,
1808         WLAN_EID_SCHEDULE = 15,
1809         WLAN_EID_CHALLENGE = 16,
1810         /* 17-31 reserved for challenge text extension */
1811         WLAN_EID_PWR_CONSTRAINT = 32,
1812         WLAN_EID_PWR_CAPABILITY = 33,
1813         WLAN_EID_TPC_REQUEST = 34,
1814         WLAN_EID_TPC_REPORT = 35,
1815         WLAN_EID_SUPPORTED_CHANNELS = 36,
1816         WLAN_EID_CHANNEL_SWITCH = 37,
1817         WLAN_EID_MEASURE_REQUEST = 38,
1818         WLAN_EID_MEASURE_REPORT = 39,
1819         WLAN_EID_QUIET = 40,
1820         WLAN_EID_IBSS_DFS = 41,
1821         WLAN_EID_ERP_INFO = 42,
1822         WLAN_EID_TS_DELAY = 43,
1823         WLAN_EID_TCLAS_PROCESSING = 44,
1824         WLAN_EID_HT_CAPABILITY = 45,
1825         WLAN_EID_QOS_CAPA = 46,
1826         /* 47 reserved for Broadcom */
1827         WLAN_EID_RSN = 48,
1828         WLAN_EID_802_15_COEX = 49,
1829         WLAN_EID_EXT_SUPP_RATES = 50,
1830         WLAN_EID_AP_CHAN_REPORT = 51,
1831         WLAN_EID_NEIGHBOR_REPORT = 52,
1832         WLAN_EID_RCPI = 53,
1833         WLAN_EID_MOBILITY_DOMAIN = 54,
1834         WLAN_EID_FAST_BSS_TRANSITION = 55,
1835         WLAN_EID_TIMEOUT_INTERVAL = 56,
1836         WLAN_EID_RIC_DATA = 57,
1837         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1838         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1839         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1840         WLAN_EID_HT_OPERATION = 61,
1841         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1842         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1843         WLAN_EID_ANTENNA_INFO = 64,
1844         WLAN_EID_RSNI = 65,
1845         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1846         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1847         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1848         WLAN_EID_TIME_ADVERTISEMENT = 69,
1849         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1850         WLAN_EID_MULTIPLE_BSSID = 71,
1851         WLAN_EID_BSS_COEX_2040 = 72,
1852         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1853         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1854         WLAN_EID_RIC_DESCRIPTOR = 75,
1855         WLAN_EID_MMIE = 76,
1856         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1857         WLAN_EID_EVENT_REQUEST = 78,
1858         WLAN_EID_EVENT_REPORT = 79,
1859         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1860         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1861         WLAN_EID_LOCATION_PARAMS = 82,
1862         WLAN_EID_NON_TX_BSSID_CAP =  83,
1863         WLAN_EID_SSID_LIST = 84,
1864         WLAN_EID_MULTI_BSSID_IDX = 85,
1865         WLAN_EID_FMS_DESCRIPTOR = 86,
1866         WLAN_EID_FMS_REQUEST = 87,
1867         WLAN_EID_FMS_RESPONSE = 88,
1868         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1869         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1870         WLAN_EID_TSF_REQUEST = 91,
1871         WLAN_EID_TSF_RESPOSNE = 92,
1872         WLAN_EID_WNM_SLEEP_MODE = 93,
1873         WLAN_EID_TIM_BCAST_REQ = 94,
1874         WLAN_EID_TIM_BCAST_RESP = 95,
1875         WLAN_EID_COLL_IF_REPORT = 96,
1876         WLAN_EID_CHANNEL_USAGE = 97,
1877         WLAN_EID_TIME_ZONE = 98,
1878         WLAN_EID_DMS_REQUEST = 99,
1879         WLAN_EID_DMS_RESPONSE = 100,
1880         WLAN_EID_LINK_ID = 101,
1881         WLAN_EID_WAKEUP_SCHEDUL = 102,
1882         /* 103 reserved */
1883         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1884         WLAN_EID_PTI_CONTROL = 105,
1885         WLAN_EID_PU_BUFFER_STATUS = 106,
1886         WLAN_EID_INTERWORKING = 107,
1887         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1888         WLAN_EID_EXPEDITED_BW_REQ = 109,
1889         WLAN_EID_QOS_MAP_SET = 110,
1890         WLAN_EID_ROAMING_CONSORTIUM = 111,
1891         WLAN_EID_EMERGENCY_ALERT = 112,
1892         WLAN_EID_MESH_CONFIG = 113,
1893         WLAN_EID_MESH_ID = 114,
1894         WLAN_EID_LINK_METRIC_REPORT = 115,
1895         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1896         WLAN_EID_PEER_MGMT = 117,
1897         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1898         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1899         WLAN_EID_BEACON_TIMING = 120,
1900         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1901         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1902         WLAN_EID_MCCAOP_ADVERT = 123,
1903         WLAN_EID_MCCAOP_TEARDOWN = 124,
1904         WLAN_EID_GANN = 125,
1905         WLAN_EID_RANN = 126,
1906         WLAN_EID_EXT_CAPABILITY = 127,
1907         /* 128, 129 reserved for Agere */
1908         WLAN_EID_PREQ = 130,
1909         WLAN_EID_PREP = 131,
1910         WLAN_EID_PERR = 132,
1911         /* 133-136 reserved for Cisco */
1912         WLAN_EID_PXU = 137,
1913         WLAN_EID_PXUC = 138,
1914         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1915         WLAN_EID_MIC = 140,
1916         WLAN_EID_DESTINATION_URI = 141,
1917         WLAN_EID_UAPSD_COEX = 142,
1918         WLAN_EID_WAKEUP_SCHEDULE = 143,
1919         WLAN_EID_EXT_SCHEDULE = 144,
1920         WLAN_EID_STA_AVAILABILITY = 145,
1921         WLAN_EID_DMG_TSPEC = 146,
1922         WLAN_EID_DMG_AT = 147,
1923         WLAN_EID_DMG_CAP = 148,
1924         /* 149 reserved for Cisco */
1925         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1926         WLAN_EID_DMG_OPERATION = 151,
1927         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1928         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1929         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1930         /* 155-156 reserved for Cisco */
1931         WLAN_EID_AWAKE_WINDOW = 157,
1932         WLAN_EID_MULTI_BAND = 158,
1933         WLAN_EID_ADDBA_EXT = 159,
1934         WLAN_EID_NEXT_PCP_LIST = 160,
1935         WLAN_EID_PCP_HANDOVER = 161,
1936         WLAN_EID_DMG_LINK_MARGIN = 162,
1937         WLAN_EID_SWITCHING_STREAM = 163,
1938         WLAN_EID_SESSION_TRANSITION = 164,
1939         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1940         WLAN_EID_CLUSTER_REPORT = 166,
1941         WLAN_EID_RELAY_CAP = 167,
1942         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1943         WLAN_EID_BEAM_LINK_MAINT = 169,
1944         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1945         WLAN_EID_U_PID = 171,
1946         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1947         /* 173 reserved for Symbol */
1948         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1949         WLAN_EID_QUIET_PERIOD_REQ = 175,
1950         /* 176 reserved for Symbol */
1951         WLAN_EID_QUIET_PERIOD_RESP = 177,
1952         /* 178-179 reserved for Symbol */
1953         /* 180 reserved for ISO/IEC 20011 */
1954         WLAN_EID_EPAC_POLICY = 182,
1955         WLAN_EID_CLISTER_TIME_OFF = 183,
1956         WLAN_EID_INTER_AC_PRIO = 184,
1957         WLAN_EID_SCS_DESCRIPTOR = 185,
1958         WLAN_EID_QLOAD_REPORT = 186,
1959         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1960         WLAN_EID_HL_STREAM_ID = 188,
1961         WLAN_EID_GCR_GROUP_ADDR = 189,
1962         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1963         WLAN_EID_VHT_CAPABILITY = 191,
1964         WLAN_EID_VHT_OPERATION = 192,
1965         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1966         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1967         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1968         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1969         WLAN_EID_AID = 197,
1970         WLAN_EID_QUIET_CHANNEL = 198,
1971         WLAN_EID_OPMODE_NOTIF = 199,
1972
1973         WLAN_EID_VENDOR_SPECIFIC = 221,
1974         WLAN_EID_QOS_PARAMETER = 222,
1975         WLAN_EID_CAG_NUMBER = 237,
1976         WLAN_EID_AP_CSN = 239,
1977         WLAN_EID_FILS_INDICATION = 240,
1978         WLAN_EID_DILS = 241,
1979         WLAN_EID_FRAGMENT = 242,
1980         WLAN_EID_EXTENSION = 255
1981 };
1982
1983 /* Element ID Extensions for Element ID 255 */
1984 enum ieee80211_eid_ext {
1985         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
1986         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
1987         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
1988         WLAN_EID_EXT_FILS_SESSION = 4,
1989         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
1990         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
1991         WLAN_EID_EXT_KEY_DELIVERY = 7,
1992         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
1993         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
1994         WLAN_EID_EXT_FILS_NONCE = 13,
1995 };
1996
1997 /* Action category code */
1998 enum ieee80211_category {
1999         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2000         WLAN_CATEGORY_QOS = 1,
2001         WLAN_CATEGORY_DLS = 2,
2002         WLAN_CATEGORY_BACK = 3,
2003         WLAN_CATEGORY_PUBLIC = 4,
2004         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2005         WLAN_CATEGORY_HT = 7,
2006         WLAN_CATEGORY_SA_QUERY = 8,
2007         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2008         WLAN_CATEGORY_WNM = 10,
2009         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2010         WLAN_CATEGORY_TDLS = 12,
2011         WLAN_CATEGORY_MESH_ACTION = 13,
2012         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2013         WLAN_CATEGORY_SELF_PROTECTED = 15,
2014         WLAN_CATEGORY_DMG = 16,
2015         WLAN_CATEGORY_WMM = 17,
2016         WLAN_CATEGORY_FST = 18,
2017         WLAN_CATEGORY_UNPROT_DMG = 20,
2018         WLAN_CATEGORY_VHT = 21,
2019         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2020         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2021 };
2022
2023 /* SPECTRUM_MGMT action code */
2024 enum ieee80211_spectrum_mgmt_actioncode {
2025         WLAN_ACTION_SPCT_MSR_REQ = 0,
2026         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2027         WLAN_ACTION_SPCT_TPC_REQ = 2,
2028         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2029         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2030 };
2031
2032 /* HT action codes */
2033 enum ieee80211_ht_actioncode {
2034         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2035         WLAN_HT_ACTION_SMPS = 1,
2036         WLAN_HT_ACTION_PSMP = 2,
2037         WLAN_HT_ACTION_PCO_PHASE = 3,
2038         WLAN_HT_ACTION_CSI = 4,
2039         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2040         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2041         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2042 };
2043
2044 /* VHT action codes */
2045 enum ieee80211_vht_actioncode {
2046         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2047         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2048         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2049 };
2050
2051 /* Self Protected Action codes */
2052 enum ieee80211_self_protected_actioncode {
2053         WLAN_SP_RESERVED = 0,
2054         WLAN_SP_MESH_PEERING_OPEN = 1,
2055         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2056         WLAN_SP_MESH_PEERING_CLOSE = 3,
2057         WLAN_SP_MGK_INFORM = 4,
2058         WLAN_SP_MGK_ACK = 5,
2059 };
2060
2061 /* Mesh action codes */
2062 enum ieee80211_mesh_actioncode {
2063         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2064         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2065         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2066         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2067         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2068         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2069         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2070         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2071         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2072         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2073         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2074 };
2075
2076 /* Security key length */
2077 enum ieee80211_key_len {
2078         WLAN_KEY_LEN_WEP40 = 5,
2079         WLAN_KEY_LEN_WEP104 = 13,
2080         WLAN_KEY_LEN_CCMP = 16,
2081         WLAN_KEY_LEN_CCMP_256 = 32,
2082         WLAN_KEY_LEN_TKIP = 32,
2083         WLAN_KEY_LEN_AES_CMAC = 16,
2084         WLAN_KEY_LEN_SMS4 = 32,
2085         WLAN_KEY_LEN_GCMP = 16,
2086         WLAN_KEY_LEN_GCMP_256 = 32,
2087         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2088         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2089         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2090 };
2091
2092 #define IEEE80211_WEP_IV_LEN            4
2093 #define IEEE80211_WEP_ICV_LEN           4
2094 #define IEEE80211_CCMP_HDR_LEN          8
2095 #define IEEE80211_CCMP_MIC_LEN          8
2096 #define IEEE80211_CCMP_PN_LEN           6
2097 #define IEEE80211_CCMP_256_HDR_LEN      8
2098 #define IEEE80211_CCMP_256_MIC_LEN      16
2099 #define IEEE80211_CCMP_256_PN_LEN       6
2100 #define IEEE80211_TKIP_IV_LEN           8
2101 #define IEEE80211_TKIP_ICV_LEN          4
2102 #define IEEE80211_CMAC_PN_LEN           6
2103 #define IEEE80211_GMAC_PN_LEN           6
2104 #define IEEE80211_GCMP_HDR_LEN          8
2105 #define IEEE80211_GCMP_MIC_LEN          16
2106 #define IEEE80211_GCMP_PN_LEN           6
2107
2108 #define FILS_NONCE_LEN                  16
2109 #define FILS_MAX_KEK_LEN                64
2110
2111 #define FILS_ERP_MAX_USERNAME_LEN       16
2112 #define FILS_ERP_MAX_REALM_LEN          253
2113 #define FILS_ERP_MAX_RRK_LEN            64
2114
2115 #define PMK_MAX_LEN                     64
2116
2117 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2118 enum ieee80211_pub_actioncode {
2119         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2120         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2121         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2122         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2123         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2124         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2125         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2126         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2127         WLAN_PUB_ACTION_DSE_PC = 8,
2128         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2129         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2130         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2131         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2132         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2133         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2134         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2135         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2136         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2137         WLAN_PUB_ACTION_QMF_POLICY = 18,
2138         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2139         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2140         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2141         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2142         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2143         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2144         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2145         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2146         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2147         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2148         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2149         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2150         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2151         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2152         WLAN_PUB_ACTION_FTM = 33,
2153         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2154 };
2155
2156 /* TDLS action codes */
2157 enum ieee80211_tdls_actioncode {
2158         WLAN_TDLS_SETUP_REQUEST = 0,
2159         WLAN_TDLS_SETUP_RESPONSE = 1,
2160         WLAN_TDLS_SETUP_CONFIRM = 2,
2161         WLAN_TDLS_TEARDOWN = 3,
2162         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2163         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2164         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2165         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2166         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2167         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2168         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2169 };
2170
2171 /* Extended Channel Switching capability to be set in the 1st byte of
2172  * the @WLAN_EID_EXT_CAPABILITY information element
2173  */
2174 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2175
2176 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2177 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2178 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2179 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2180
2181 /* Interworking capabilities are set in 7th bit of 4th byte of the
2182  * @WLAN_EID_EXT_CAPABILITY information element
2183  */
2184 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2185
2186 /*
2187  * TDLS capabililites to be enabled in the 5th byte of the
2188  * @WLAN_EID_EXT_CAPABILITY information element
2189  */
2190 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2191 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2192 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2193
2194 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2195 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2196
2197 /* Defines the maximal number of MSDUs in an A-MSDU. */
2198 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2199 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2200
2201 /*
2202  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2203  * information element
2204  */
2205 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2206
2207 /* TDLS specific payload type in the LLC/SNAP header */
2208 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2209
2210 /* BSS Coex IE information field bits */
2211 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2212
2213 /**
2214  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2215  *
2216  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2217  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2218  *      that will be specified in a vendor specific information element
2219  */
2220 enum ieee80211_mesh_sync_method {
2221         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2222         IEEE80211_SYNC_METHOD_VENDOR = 255,
2223 };
2224
2225 /**
2226  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2227  *
2228  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2229  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2230  *      be specified in a vendor specific information element
2231  */
2232 enum ieee80211_mesh_path_protocol {
2233         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2234         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2235 };
2236
2237 /**
2238  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2239  *
2240  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2241  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2242  *      specified in a vendor specific information element
2243  */
2244 enum ieee80211_mesh_path_metric {
2245         IEEE80211_PATH_METRIC_AIRTIME = 1,
2246         IEEE80211_PATH_METRIC_VENDOR = 255,
2247 };
2248
2249 /**
2250  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2251  *
2252  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2253  *
2254  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2255  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2256  *      this value
2257  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2258  *      the proactive PREQ with proactive PREP subfield set to 0
2259  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2260  *      supports the proactive PREQ with proactive PREP subfield set to 1
2261  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2262  *      the proactive RANN
2263  */
2264 enum ieee80211_root_mode_identifier {
2265         IEEE80211_ROOTMODE_NO_ROOT = 0,
2266         IEEE80211_ROOTMODE_ROOT = 1,
2267         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2268         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2269         IEEE80211_PROACTIVE_RANN = 4,
2270 };
2271
2272 /*
2273  * IEEE 802.11-2007 7.3.2.9 Country information element
2274  *
2275  * Minimum length is 8 octets, ie len must be evenly
2276  * divisible by 2
2277  */
2278
2279 /* Although the spec says 8 I'm seeing 6 in practice */
2280 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2281
2282 /* The Country String field of the element shall be 3 octets in length */
2283 #define IEEE80211_COUNTRY_STRING_LEN    3
2284
2285 /*
2286  * For regulatory extension stuff see IEEE 802.11-2007
2287  * Annex I (page 1141) and Annex J (page 1147). Also
2288  * review 7.3.2.9.
2289  *
2290  * When dot11RegulatoryClassesRequired is true and the
2291  * first_channel/reg_extension_id is >= 201 then the IE
2292  * compromises of the 'ext' struct represented below:
2293  *
2294  *  - Regulatory extension ID - when generating IE this just needs
2295  *    to be monotonically increasing for each triplet passed in
2296  *    the IE
2297  *  - Regulatory class - index into set of rules
2298  *  - Coverage class - index into air propagation time (Table 7-27),
2299  *    in microseconds, you can compute the air propagation time from
2300  *    the index by multiplying by 3, so index 10 yields a propagation
2301  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2302  *    yet. A value of 0 inicates air propagation of <= 1 us.
2303  *
2304  *  See also Table I.2 for Emission limit sets and table
2305  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2306  *  a reg_class to an emission limit set and behavior limit set.
2307  */
2308 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2309
2310 /*
2311  *  Channels numbers in the IE must be monotonically increasing
2312  *  if dot11RegulatoryClassesRequired is not true.
2313  *
2314  *  If dot11RegulatoryClassesRequired is true consecutive
2315  *  subband triplets following a regulatory triplet shall
2316  *  have monotonically increasing first_channel number fields.
2317  *
2318  *  Channel numbers shall not overlap.
2319  *
2320  *  Note that max_power is signed.
2321  */
2322 struct ieee80211_country_ie_triplet {
2323         union {
2324                 struct {
2325                         u8 first_channel;
2326                         u8 num_channels;
2327                         s8 max_power;
2328                 } __packed chans;
2329                 struct {
2330                         u8 reg_extension_id;
2331                         u8 reg_class;
2332                         u8 coverage_class;
2333                 } __packed ext;
2334         };
2335 } __packed;
2336
2337 enum ieee80211_timeout_interval_type {
2338         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2339         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2340         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2341 };
2342
2343 /**
2344  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2345  * @type: type, see &enum ieee80211_timeout_interval_type
2346  * @value: timeout interval value
2347  */
2348 struct ieee80211_timeout_interval_ie {
2349         u8 type;
2350         __le32 value;
2351 } __packed;
2352
2353 /**
2354  * enum ieee80211_idle_options - BSS idle options
2355  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2356  *      protected frame to the AP to reset the idle timer at the AP for
2357  *      the station.
2358  */
2359 enum ieee80211_idle_options {
2360         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2361 };
2362
2363 /**
2364  * struct ieee80211_bss_max_idle_period_ie
2365  *
2366  * This structure refers to "BSS Max idle period element"
2367  *
2368  * @max_idle_period: indicates the time period during which a station can
2369  *      refrain from transmitting frames to its associated AP without being
2370  *      disassociated. In units of 1000 TUs.
2371  * @idle_options: indicates the options associated with the BSS idle capability
2372  *      as specified in &enum ieee80211_idle_options.
2373  */
2374 struct ieee80211_bss_max_idle_period_ie {
2375         __le16 max_idle_period;
2376         u8 idle_options;
2377 } __packed;
2378
2379 /* BACK action code */
2380 enum ieee80211_back_actioncode {
2381         WLAN_ACTION_ADDBA_REQ = 0,
2382         WLAN_ACTION_ADDBA_RESP = 1,
2383         WLAN_ACTION_DELBA = 2,
2384 };
2385
2386 /* BACK (block-ack) parties */
2387 enum ieee80211_back_parties {
2388         WLAN_BACK_RECIPIENT = 0,
2389         WLAN_BACK_INITIATOR = 1,
2390 };
2391
2392 /* SA Query action */
2393 enum ieee80211_sa_query_action {
2394         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2395         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2396 };
2397
2398
2399 #define SUITE(oui, id)  (((oui) << 8) | (id))
2400
2401 /* cipher suite selectors */
2402 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2403 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2404 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2405 /* reserved:                            SUITE(0x000FAC, 3) */
2406 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2407 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2408 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2409 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2410 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2411 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2412 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2413 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2414 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2415
2416 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2417
2418 /* AKM suite selectors */
2419 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2420 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2421 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2422 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2423 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2424 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2425 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2426 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2427 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2428 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2429 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2430 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2431 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2432 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2433 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2434
2435 #define WLAN_MAX_KEY_LEN                32
2436
2437 #define WLAN_PMK_NAME_LEN               16
2438 #define WLAN_PMKID_LEN                  16
2439 #define WLAN_PMK_LEN_EAP_LEAP           16
2440 #define WLAN_PMK_LEN                    32
2441 #define WLAN_PMK_LEN_SUITE_B_192        48
2442
2443 #define WLAN_OUI_WFA                    0x506f9a
2444 #define WLAN_OUI_TYPE_WFA_P2P           9
2445 #define WLAN_OUI_MICROSOFT              0x0050f2
2446 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2447 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2448 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2449 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
2450
2451 /*
2452  * WMM/802.11e Tspec Element
2453  */
2454 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2455 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2456
2457 enum ieee80211_tspec_status_code {
2458         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2459         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2460 };
2461
2462 struct ieee80211_tspec_ie {
2463         u8 element_id;
2464         u8 len;
2465         u8 oui[3];
2466         u8 oui_type;
2467         u8 oui_subtype;
2468         u8 version;
2469         __le16 tsinfo;
2470         u8 tsinfo_resvd;
2471         __le16 nominal_msdu;
2472         __le16 max_msdu;
2473         __le32 min_service_int;
2474         __le32 max_service_int;
2475         __le32 inactivity_int;
2476         __le32 suspension_int;
2477         __le32 service_start_time;
2478         __le32 min_data_rate;
2479         __le32 mean_data_rate;
2480         __le32 peak_data_rate;
2481         __le32 max_burst_size;
2482         __le32 delay_bound;
2483         __le32 min_phy_rate;
2484         __le16 sba;
2485         __le16 medium_time;
2486 } __packed;
2487
2488 /**
2489  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2490  * @hdr: the frame
2491  *
2492  * The qos ctrl bytes come after the frame_control, duration, seq_num
2493  * and 3 or 4 addresses of length ETH_ALEN.
2494  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2495  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2496  */
2497 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2498 {
2499         if (ieee80211_has_a4(hdr->frame_control))
2500                 return (u8 *)hdr + 30;
2501         else
2502                 return (u8 *)hdr + 24;
2503 }
2504
2505 /**
2506  * ieee80211_get_tid - get qos TID
2507  * @hdr: the frame
2508  */
2509 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
2510 {
2511         u8 *qc = ieee80211_get_qos_ctl(hdr);
2512
2513         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
2514 }
2515
2516 /**
2517  * ieee80211_get_SA - get pointer to SA
2518  * @hdr: the frame
2519  *
2520  * Given an 802.11 frame, this function returns the offset
2521  * to the source address (SA). It does not verify that the
2522  * header is long enough to contain the address, and the
2523  * header must be long enough to contain the frame control
2524  * field.
2525  */
2526 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2527 {
2528         if (ieee80211_has_a4(hdr->frame_control))
2529                 return hdr->addr4;
2530         if (ieee80211_has_fromds(hdr->frame_control))
2531                 return hdr->addr3;
2532         return hdr->addr2;
2533 }
2534
2535 /**
2536  * ieee80211_get_DA - get pointer to DA
2537  * @hdr: the frame
2538  *
2539  * Given an 802.11 frame, this function returns the offset
2540  * to the destination address (DA). It does not verify that
2541  * the header is long enough to contain the address, and the
2542  * header must be long enough to contain the frame control
2543  * field.
2544  */
2545 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2546 {
2547         if (ieee80211_has_tods(hdr->frame_control))
2548                 return hdr->addr3;
2549         else
2550                 return hdr->addr1;
2551 }
2552
2553 /**
2554  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2555  * @hdr: the frame (buffer must include at least the first octet of payload)
2556  */
2557 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2558 {
2559         if (ieee80211_is_disassoc(hdr->frame_control) ||
2560             ieee80211_is_deauth(hdr->frame_control))
2561                 return true;
2562
2563         if (ieee80211_is_action(hdr->frame_control)) {
2564                 u8 *category;
2565
2566                 /*
2567                  * Action frames, excluding Public Action frames, are Robust
2568                  * Management Frames. However, if we are looking at a Protected
2569                  * frame, skip the check since the data may be encrypted and
2570                  * the frame has already been found to be a Robust Management
2571                  * Frame (by the other end).
2572                  */
2573                 if (ieee80211_has_protected(hdr->frame_control))
2574                         return true;
2575                 category = ((u8 *) hdr) + 24;
2576                 return *category != WLAN_CATEGORY_PUBLIC &&
2577                         *category != WLAN_CATEGORY_HT &&
2578                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2579                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2580                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2581                         *category != WLAN_CATEGORY_VHT &&
2582                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2583         }
2584
2585         return false;
2586 }
2587
2588 /**
2589  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2590  * @skb: the skb containing the frame, length will be checked
2591  */
2592 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2593 {
2594         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2595                 return false;
2596         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2597 }
2598
2599 /**
2600  * ieee80211_is_public_action - check if frame is a public action frame
2601  * @hdr: the frame
2602  * @len: length of the frame
2603  */
2604 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2605                                               size_t len)
2606 {
2607         struct ieee80211_mgmt *mgmt = (void *)hdr;
2608
2609         if (len < IEEE80211_MIN_ACTION_SIZE)
2610                 return false;
2611         if (!ieee80211_is_action(hdr->frame_control))
2612                 return false;
2613         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2614 }
2615
2616 /**
2617  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2618  * privacy action frame
2619  * @hdr: the frame
2620  */
2621 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2622 {
2623         struct ieee80211_mgmt *mgmt = (void *)hdr;
2624
2625         if (!ieee80211_is_action(hdr->frame_control) ||
2626             !is_multicast_ether_addr(hdr->addr1))
2627                 return false;
2628
2629         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2630                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2631 }
2632
2633 /**
2634  * ieee80211_is_group_privacy_action - check if frame is a group addressed
2635  * privacy action frame
2636  * @skb: the skb containing the frame, length will be checked
2637  */
2638 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
2639 {
2640         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2641                 return false;
2642         return _ieee80211_is_group_privacy_action((void *)skb->data);
2643 }
2644
2645 /**
2646  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2647  * @tu: the TUs
2648  */
2649 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2650 {
2651         return 1024 * tu;
2652 }
2653
2654 /**
2655  * ieee80211_check_tim - check if AID bit is set in TIM
2656  * @tim: the TIM IE
2657  * @tim_len: length of the TIM IE
2658  * @aid: the AID to look for
2659  */
2660 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2661                                        u8 tim_len, u16 aid)
2662 {
2663         u8 mask;
2664         u8 index, indexn1, indexn2;
2665
2666         if (unlikely(!tim || tim_len < sizeof(*tim)))
2667                 return false;
2668
2669         aid &= 0x3fff;
2670         index = aid / 8;
2671         mask  = 1 << (aid & 7);
2672
2673         indexn1 = tim->bitmap_ctrl & 0xfe;
2674         indexn2 = tim_len + indexn1 - 4;
2675
2676         if (index < indexn1 || index > indexn2)
2677                 return false;
2678
2679         index -= indexn1;
2680
2681         return !!(tim->virtual_map[index] & mask);
2682 }
2683
2684 /**
2685  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2686  * @skb: the skb containing the frame, length will not be checked
2687  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2688  *
2689  * This function assumes the frame is a data frame, and that the network header
2690  * is in the correct place.
2691  */
2692 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2693 {
2694         if (!skb_is_nonlinear(skb) &&
2695             skb->len > (skb_network_offset(skb) + 2)) {
2696                 /* Point to where the indication of TDLS should start */
2697                 const u8 *tdls_data = skb_network_header(skb) - 2;
2698
2699                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2700                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2701                     tdls_data[3] == WLAN_CATEGORY_TDLS)
2702                         return tdls_data[4];
2703         }
2704
2705         return -1;
2706 }
2707
2708 /* convert time units */
2709 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2710 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2711
2712 /**
2713  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2714  * @skb: the skb containing the frame, length will be checked
2715  *
2716  * This function checks if it's either TPC report action frame or Link
2717  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2718  * and 8.5.7.5 accordingly.
2719  */
2720 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2721 {
2722         struct ieee80211_mgmt *mgmt = (void *)skb->data;
2723
2724         if (!ieee80211_is_action(mgmt->frame_control))
2725                 return false;
2726
2727         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2728                        sizeof(mgmt->u.action.u.tpc_report))
2729                 return false;
2730
2731         /*
2732          * TPC report - check that:
2733          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2734          * spectrum management action = 3 (TPC/Link Measurement report)
2735          * TPC report EID = 35
2736          * TPC report element length = 2
2737          *
2738          * The spectrum management's tpc_report struct is used here both for
2739          * parsing tpc_report and radio measurement's link measurement report
2740          * frame, since the relevant part is identical in both frames.
2741          */
2742         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2743             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2744                 return false;
2745
2746         /* both spectrum mgmt and link measurement have same action code */
2747         if (mgmt->u.action.u.tpc_report.action_code !=
2748             WLAN_ACTION_SPCT_TPC_RPRT)
2749                 return false;
2750
2751         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2752             mgmt->u.action.u.tpc_report.tpc_elem_length !=
2753             sizeof(struct ieee80211_tpc_report_ie))
2754                 return false;
2755
2756         return true;
2757 }
2758
2759 #endif /* LINUX_IEEE80211_H */