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  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16
  17 #ifndef LINUX_IEEE80211_H
  18 #define LINUX_IEEE80211_H
  19
  20 #include <linux/types.h>
  21 #include <linux/if_ether.h>
  22 #include <linux/etherdevice.h>
  23 #include <asm/byteorder.h>
  24 #include <asm/unaligned.h>
  25
  26 /*
  27  * DS bit usage
  28  *
  29  * TA = transmitter address
  30  * RA = receiver address
  31  * DA = destination address
  32  * SA = source address
  33  *
  34  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  35  * -----------------------------------------------------------------
  36  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  37  *  0       1       DA      BSSID   SA      -       AP -> STA
  38  *  1       0       BSSID   SA      DA      -       AP <- STA
  39  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  40  */
  41
  42 #define FCS_LEN 4
  43
  44 #define IEEE80211_FCTL_VERS             0x0003
  45 #define IEEE80211_FCTL_FTYPE            0x000c
  46 #define IEEE80211_FCTL_STYPE            0x00f0
  47 #define IEEE80211_FCTL_TODS             0x0100
  48 #define IEEE80211_FCTL_FROMDS           0x0200
  49 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  50 #define IEEE80211_FCTL_RETRY            0x0800
  51 #define IEEE80211_FCTL_PM               0x1000
  52 #define IEEE80211_FCTL_MOREDATA         0x2000
  53 #define IEEE80211_FCTL_PROTECTED        0x4000
  54 #define IEEE80211_FCTL_ORDER            0x8000
  55 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  56
  57 #define IEEE80211_SCTL_FRAG             0x000F
  58 #define IEEE80211_SCTL_SEQ              0xFFF0
  59
  60 #define IEEE80211_FTYPE_MGMT            0x0000
  61 #define IEEE80211_FTYPE_CTL             0x0004
  62 #define IEEE80211_FTYPE_DATA            0x0008
  63 #define IEEE80211_FTYPE_EXT             0x000c
  64
  65 /* management */
  66 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  67 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  68 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  69 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  70 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  71 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  72 #define IEEE80211_STYPE_BEACON          0x0080
  73 #define IEEE80211_STYPE_ATIM            0x0090
  74 #define IEEE80211_STYPE_DISASSOC        0x00A0
  75 #define IEEE80211_STYPE_AUTH            0x00B0
  76 #define IEEE80211_STYPE_DEAUTH          0x00C0
  77 #define IEEE80211_STYPE_ACTION          0x00D0
  78
  79 /* control */
  80 #define IEEE80211_STYPE_CTL_EXT         0x0060
  81 #define IEEE80211_STYPE_BACK_REQ        0x0080
  82 #define IEEE80211_STYPE_BACK            0x0090
  83 #define IEEE80211_STYPE_PSPOLL          0x00A0
  84 #define IEEE80211_STYPE_RTS             0x00B0
  85 #define IEEE80211_STYPE_CTS             0x00C0
  86 #define IEEE80211_STYPE_ACK             0x00D0
  87 #define IEEE80211_STYPE_CFEND           0x00E0
  88 #define IEEE80211_STYPE_CFENDACK        0x00F0
  89
  90 /* data */
  91 #define IEEE80211_STYPE_DATA                    0x0000
  92 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  93 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  94 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  95 #define IEEE80211_STYPE_NULLFUNC                0x0040
  96 #define IEEE80211_STYPE_CFACK                   0x0050
  97 #define IEEE80211_STYPE_CFPOLL                  0x0060
  98 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  99 #define IEEE80211_STYPE_QOS_DATA                0x0080
 100 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 103 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 104 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 105 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 106 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 107
 108 /* extension, added by 802.11ad */
 109 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 110
 111 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 112 #define IEEE80211_CTL_EXT_POLL          0x2000
 113 #define IEEE80211_CTL_EXT_SPR           0x3000
 114 #define IEEE80211_CTL_EXT_GRANT 0x4000
 115 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 116 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 117 #define IEEE80211_CTL_EXT_SSW           0x8000
 118 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 119 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 120
 121
 122 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 123 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 124 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 125
 126 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 127 {
 128         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 129 }
 130
 131 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 132 {
 133         return (sn1 + sn2) & IEEE80211_SN_MASK;
 134 }
 135
 136 static inline u16 ieee80211_sn_inc(u16 sn)
 137 {
 138         return ieee80211_sn_add(sn, 1);
 139 }
 140
 141 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 142 {
 143         return (sn1 - sn2) & IEEE80211_SN_MASK;
 144 }
 145
 146 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 147 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 148
 149 /* miscellaneous IEEE 802.11 constants */
 150 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 151 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 152 #define IEEE80211_MAX_AID               2007
 153 #define IEEE80211_MAX_TIM_LEN           251
 154 #define IEEE80211_MAX_MESH_PEERINGS     63
 155 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 156    6.2.1.1.2.
 157
 158    802.11e clarifies the figure in section 7.1.2. The frame body is
 159    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 160 #define IEEE80211_MAX_DATA_LEN          2304
 161 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 162  * to 7920 bytes, see 8.2.3 General frame format
 163  */
 164 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 165 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 166 #define IEEE80211_MAX_FRAME_LEN         2352
 167
 168 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 169 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 170
 171 /* Maximal size of an A-MSDU */
 172 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 173 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 174
 175 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 176 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 177 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 178
 179 #define IEEE80211_MAX_SSID_LEN          32
 180
 181 #define IEEE80211_MAX_MESH_ID_LEN       32
 182
 183 #define IEEE80211_FIRST_TSPEC_TSID      8
 184 #define IEEE80211_NUM_TIDS              16
 185
 186 /* number of user priorities 802.11 uses */
 187 #define IEEE80211_NUM_UPS               8
 188 /* number of ACs */
 189 #define IEEE80211_NUM_ACS               4
 190
 191 #define IEEE80211_QOS_CTL_LEN           2
 192 /* 1d tag mask */
 193 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 194 /* TID mask */
 195 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 196 /* EOSP */
 197 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 198 /* ACK policy */
 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 200 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 201 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 202 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 203 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 204 /* A-MSDU 802.11n */
 205 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 206 /* Mesh Control 802.11s */
 207 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 208
 209 /* Mesh Power Save Level */
 210 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 211 /* Mesh Receiver Service Period Initiated */
 212 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 213
 214 /* U-APSD queue for WMM IEs sent by AP */
 215 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 216 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 217
 218 /* U-APSD queues for WMM IEs sent by STA */
 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 223 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 224
 225 /* U-APSD max SP length for WMM IEs sent by STA */
 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 230 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 231 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 232
 233 #define IEEE80211_HT_CTL_LEN            4
 234
 235 struct ieee80211_hdr {
 236         __le16 frame_control;
 237         __le16 duration_id;
 238         u8 addr1[ETH_ALEN];
 239         u8 addr2[ETH_ALEN];
 240         u8 addr3[ETH_ALEN];
 241         __le16 seq_ctrl;
 242         u8 addr4[ETH_ALEN];
 243 } __packed __aligned(2);
 244
 245 struct ieee80211_hdr_3addr {
 246         __le16 frame_control;
 247         __le16 duration_id;
 248         u8 addr1[ETH_ALEN];
 249         u8 addr2[ETH_ALEN];
 250         u8 addr3[ETH_ALEN];
 251         __le16 seq_ctrl;
 252 } __packed __aligned(2);
 253
 254 struct ieee80211_qos_hdr {
 255         __le16 frame_control;
 256         __le16 duration_id;
 257         u8 addr1[ETH_ALEN];
 258         u8 addr2[ETH_ALEN];
 259         u8 addr3[ETH_ALEN];
 260         __le16 seq_ctrl;
 261         __le16 qos_ctrl;
 262 } __packed __aligned(2);
 263
 264 /**
 265  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 266  * @fc: frame control bytes in little-endian byteorder
 267  */
 268 static inline bool ieee80211_has_tods(__le16 fc)
 269 {
 270         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 271 }
 272
 273 /**
 274  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 275  * @fc: frame control bytes in little-endian byteorder
 276  */
 277 static inline bool ieee80211_has_fromds(__le16 fc)
 278 {
 279         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 280 }
 281
 282 /**
 283  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 284  * @fc: frame control bytes in little-endian byteorder
 285  */
 286 static inline bool ieee80211_has_a4(__le16 fc)
 287 {
 288         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 289         return (fc & tmp) == tmp;
 290 }
 291
 292 /**
 293  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 294  * @fc: frame control bytes in little-endian byteorder
 295  */
 296 static inline bool ieee80211_has_morefrags(__le16 fc)
 297 {
 298         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 299 }
 300
 301 /**
 302  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 303  * @fc: frame control bytes in little-endian byteorder
 304  */
 305 static inline bool ieee80211_has_retry(__le16 fc)
 306 {
 307         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 308 }
 309
 310 /**
 311  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 312  * @fc: frame control bytes in little-endian byteorder
 313  */
 314 static inline bool ieee80211_has_pm(__le16 fc)
 315 {
 316         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 317 }
 318
 319 /**
 320  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 321  * @fc: frame control bytes in little-endian byteorder
 322  */
 323 static inline bool ieee80211_has_moredata(__le16 fc)
 324 {
 325         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 326 }
 327
 328 /**
 329  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 330  * @fc: frame control bytes in little-endian byteorder
 331  */
 332 static inline bool ieee80211_has_protected(__le16 fc)
 333 {
 334         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 335 }
 336
 337 /**
 338  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 339  * @fc: frame control bytes in little-endian byteorder
 340  */
 341 static inline bool ieee80211_has_order(__le16 fc)
 342 {
 343         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 344 }
 345
 346 /**
 347  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 348  * @fc: frame control bytes in little-endian byteorder
 349  */
 350 static inline bool ieee80211_is_mgmt(__le16 fc)
 351 {
 352         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 353                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 354 }
 355
 356 /**
 357  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 358  * @fc: frame control bytes in little-endian byteorder
 359  */
 360 static inline bool ieee80211_is_ctl(__le16 fc)
 361 {
 362         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 363                cpu_to_le16(IEEE80211_FTYPE_CTL);
 364 }
 365
 366 /**
 367  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 368  * @fc: frame control bytes in little-endian byteorder
 369  */
 370 static inline bool ieee80211_is_data(__le16 fc)
 371 {
 372         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 373                cpu_to_le16(IEEE80211_FTYPE_DATA);
 374 }
 375
 376 /**
 377  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 378  * @fc: frame control bytes in little-endian byteorder
 379  */
 380 static inline bool ieee80211_is_data_qos(__le16 fc)
 381 {
 382         /*
 383          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 384          * to check the one bit
 385          */
 386         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 387                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 388 }
 389
 390 /**
 391  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 392  * @fc: frame control bytes in little-endian byteorder
 393  */
 394 static inline bool ieee80211_is_data_present(__le16 fc)
 395 {
 396         /*
 397          * mask with 0x40 and test that that bit is clear to only return true
 398          * for the data-containing substypes.
 399          */
 400         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 401                cpu_to_le16(IEEE80211_FTYPE_DATA);
 402 }
 403
 404 /**
 405  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 406  * @fc: frame control bytes in little-endian byteorder
 407  */
 408 static inline bool ieee80211_is_assoc_req(__le16 fc)
 409 {
 410         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 411                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 412 }
 413
 414 /**
 415  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 416  * @fc: frame control bytes in little-endian byteorder
 417  */
 418 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 419 {
 420         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 421                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 422 }
 423
 424 /**
 425  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 426  * @fc: frame control bytes in little-endian byteorder
 427  */
 428 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 429 {
 430         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 431                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 432 }
 433
 434 /**
 435  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 436  * @fc: frame control bytes in little-endian byteorder
 437  */
 438 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 439 {
 440         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 441                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 442 }
 443
 444 /**
 445  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 446  * @fc: frame control bytes in little-endian byteorder
 447  */
 448 static inline bool ieee80211_is_probe_req(__le16 fc)
 449 {
 450         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 451                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 452 }
 453
 454 /**
 455  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 456  * @fc: frame control bytes in little-endian byteorder
 457  */
 458 static inline bool ieee80211_is_probe_resp(__le16 fc)
 459 {
 460         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 461                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 462 }
 463
 464 /**
 465  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 466  * @fc: frame control bytes in little-endian byteorder
 467  */
 468 static inline bool ieee80211_is_beacon(__le16 fc)
 469 {
 470         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 471                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 472 }
 473
 474 /**
 475  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 476  * @fc: frame control bytes in little-endian byteorder
 477  */
 478 static inline bool ieee80211_is_atim(__le16 fc)
 479 {
 480         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 481                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 482 }
 483
 484 /**
 485  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 486  * @fc: frame control bytes in little-endian byteorder
 487  */
 488 static inline bool ieee80211_is_disassoc(__le16 fc)
 489 {
 490         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 491                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 492 }
 493
 494 /**
 495  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 496  * @fc: frame control bytes in little-endian byteorder
 497  */
 498 static inline bool ieee80211_is_auth(__le16 fc)
 499 {
 500         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 501                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 502 }
 503
 504 /**
 505  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 506  * @fc: frame control bytes in little-endian byteorder
 507  */
 508 static inline bool ieee80211_is_deauth(__le16 fc)
 509 {
 510         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 511                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 512 }
 513
 514 /**
 515  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 516  * @fc: frame control bytes in little-endian byteorder
 517  */
 518 static inline bool ieee80211_is_action(__le16 fc)
 519 {
 520         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 521                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 522 }
 523
 524 /**
 525  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 526  * @fc: frame control bytes in little-endian byteorder
 527  */
 528 static inline bool ieee80211_is_back_req(__le16 fc)
 529 {
 530         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 531                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 532 }
 533
 534 /**
 535  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 536  * @fc: frame control bytes in little-endian byteorder
 537  */
 538 static inline bool ieee80211_is_back(__le16 fc)
 539 {
 540         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 541                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 542 }
 543
 544 /**
 545  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 546  * @fc: frame control bytes in little-endian byteorder
 547  */
 548 static inline bool ieee80211_is_pspoll(__le16 fc)
 549 {
 550         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 551                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 552 }
 553
 554 /**
 555  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 556  * @fc: frame control bytes in little-endian byteorder
 557  */
 558 static inline bool ieee80211_is_rts(__le16 fc)
 559 {
 560         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 561                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 562 }
 563
 564 /**
 565  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 566  * @fc: frame control bytes in little-endian byteorder
 567  */
 568 static inline bool ieee80211_is_cts(__le16 fc)
 569 {
 570         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 571                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 572 }
 573
 574 /**
 575  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 576  * @fc: frame control bytes in little-endian byteorder
 577  */
 578 static inline bool ieee80211_is_ack(__le16 fc)
 579 {
 580         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 581                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 582 }
 583
 584 /**
 585  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 586  * @fc: frame control bytes in little-endian byteorder
 587  */
 588 static inline bool ieee80211_is_cfend(__le16 fc)
 589 {
 590         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 591                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 592 }
 593
 594 /**
 595  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 596  * @fc: frame control bytes in little-endian byteorder
 597  */
 598 static inline bool ieee80211_is_cfendack(__le16 fc)
 599 {
 600         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 601                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 602 }
 603
 604 /**
 605  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 606  * @fc: frame control bytes in little-endian byteorder
 607  */
 608 static inline bool ieee80211_is_nullfunc(__le16 fc)
 609 {
 610         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 611                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 612 }
 613
 614 /**
 615  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 616  * @fc: frame control bytes in little-endian byteorder
 617  */
 618 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 619 {
 620         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 621                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 622 }
 623
 624 /**
 625  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 626  * @fc: frame control bytes in little-endian byteorder
 627  */
 628 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 629 {
 630         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 631 }
 632
 633 /**
 634  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 635  * @fc: frame control field in little-endian byteorder
 636  */
 637 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 638 {
 639         /* IEEE 802.11-2012, definition of "bufferable management frame";
 640          * note that this ignores the IBSS special case. */
 641         return ieee80211_is_mgmt(fc) &&
 642                (ieee80211_is_action(fc) ||
 643                 ieee80211_is_disassoc(fc) ||
 644                 ieee80211_is_deauth(fc));
 645 }
 646
 647 /**
 648  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 649  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 650  */
 651 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 652 {
 653         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 654 }
 655
 656 /**
 657  * ieee80211_is_frag - check if a frame is a fragment
 658  * @hdr: 802.11 header of the frame
 659  */
 660 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 661 {
 662         return ieee80211_has_morefrags(hdr->frame_control) ||
 663                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 664 }
 665
 666 struct ieee80211s_hdr {
 667         u8 flags;
 668         u8 ttl;
 669         __le32 seqnum;
 670         u8 eaddr1[ETH_ALEN];
 671         u8 eaddr2[ETH_ALEN];
 672 } __packed __aligned(2);
 673
 674 /* Mesh flags */
 675 #define MESH_FLAGS_AE_A4        0x1
 676 #define MESH_FLAGS_AE_A5_A6     0x2
 677 #define MESH_FLAGS_AE           0x3
 678 #define MESH_FLAGS_PS_DEEP      0x4
 679
 680 /**
 681  * enum ieee80211_preq_flags - mesh PREQ element flags
 682  *
 683  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 684  */
 685 enum ieee80211_preq_flags {
 686         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 687 };
 688
 689 /**
 690  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 691  *
 692  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 693  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 694  */
 695 enum ieee80211_preq_target_flags {
 696         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 697         IEEE80211_PREQ_USN_FLAG = 1<<2,
 698 };
 699
 700 /**
 701  * struct ieee80211_quiet_ie
 702  *
 703  * This structure refers to "Quiet information element"
 704  */
 705 struct ieee80211_quiet_ie {
 706         u8 count;
 707         u8 period;
 708         __le16 duration;
 709         __le16 offset;
 710 } __packed;
 711
 712 /**
 713  * struct ieee80211_msrment_ie
 714  *
 715  * This structure refers to "Measurement Request/Report information element"
 716  */
 717 struct ieee80211_msrment_ie {
 718         u8 token;
 719         u8 mode;
 720         u8 type;
 721         u8 request[0];
 722 } __packed;
 723
 724 /**
 725  * struct ieee80211_channel_sw_ie
 726  *
 727  * This structure refers to "Channel Switch Announcement information element"
 728  */
 729 struct ieee80211_channel_sw_ie {
 730         u8 mode;
 731         u8 new_ch_num;
 732         u8 count;
 733 } __packed;
 734
 735 /**
 736  * struct ieee80211_ext_chansw_ie
 737  *
 738  * This structure represents the "Extended Channel Switch Announcement element"
 739  */
 740 struct ieee80211_ext_chansw_ie {
 741         u8 mode;
 742         u8 new_operating_class;
 743         u8 new_ch_num;
 744         u8 count;
 745 } __packed;
 746
 747 /**
 748  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 749  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 750  *      values here
 751  * This structure represents the "Secondary Channel Offset element"
 752  */
 753 struct ieee80211_sec_chan_offs_ie {
 754         u8 sec_chan_offs;
 755 } __packed;
 756
 757 /**
 758  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 759  *
 760  * This structure represents the "Mesh Channel Switch Paramters element"
 761  */
 762 struct ieee80211_mesh_chansw_params_ie {
 763         u8 mesh_ttl;
 764         u8 mesh_flags;
 765         __le16 mesh_reason;
 766         __le16 mesh_pre_value;
 767 } __packed;
 768
 769 /**
 770  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 771  */
 772 struct ieee80211_wide_bw_chansw_ie {
 773         u8 new_channel_width;
 774         u8 new_center_freq_seg0, new_center_freq_seg1;
 775 } __packed;
 776
 777 /**
 778  * struct ieee80211_tim
 779  *
 780  * This structure refers to "Traffic Indication Map information element"
 781  */
 782 struct ieee80211_tim_ie {
 783         u8 dtim_count;
 784         u8 dtim_period;
 785         u8 bitmap_ctrl;
 786         /* variable size: 1 - 251 bytes */
 787         u8 virtual_map[1];
 788 } __packed;
 789
 790 /**
 791  * struct ieee80211_meshconf_ie
 792  *
 793  * This structure refers to "Mesh Configuration information element"
 794  */
 795 struct ieee80211_meshconf_ie {
 796         u8 meshconf_psel;
 797         u8 meshconf_pmetric;
 798         u8 meshconf_congest;
 799         u8 meshconf_synch;
 800         u8 meshconf_auth;
 801         u8 meshconf_form;
 802         u8 meshconf_cap;
 803 } __packed;
 804
 805 /**
 806  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 807  *
 808  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 809  *      additional mesh peerings with other mesh STAs
 810  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 811  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 812  *      is ongoing
 813  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 814  *      neighbors in deep sleep mode
 815  */
 816 enum mesh_config_capab_flags {
 817         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 818         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 819         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 820         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 821 };
 822
 823 /**
 824  * mesh channel switch parameters element's flag indicator
 825  *
 826  */
 827 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 828 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 829 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 830
 831 /**
 832  * struct ieee80211_rann_ie
 833  *
 834  * This structure refers to "Root Announcement information element"
 835  */
 836 struct ieee80211_rann_ie {
 837         u8 rann_flags;
 838         u8 rann_hopcount;
 839         u8 rann_ttl;
 840         u8 rann_addr[ETH_ALEN];
 841         __le32 rann_seq;
 842         __le32 rann_interval;
 843         __le32 rann_metric;
 844 } __packed;
 845
 846 enum ieee80211_rann_flags {
 847         RANN_FLAG_IS_GATE = 1 << 0,
 848 };
 849
 850 enum ieee80211_ht_chanwidth_values {
 851         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 852         IEEE80211_HT_CHANWIDTH_ANY = 1,
 853 };
 854
 855 /**
 856  * enum ieee80211_opmode_bits - VHT operating mode field bits
 857  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 858  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 859  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 860  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 861  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 862  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 863  *      (the NSS value is the value of this field + 1)
 864  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 865  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 866  *      using a beamforming steering matrix
 867  */
 868 enum ieee80211_vht_opmode_bits {
 869         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 870         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 871         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 872         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 873         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 874         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 875         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 876         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 877 };
 878
 879 #define WLAN_SA_QUERY_TR_ID_LEN 2
 880 #define WLAN_MEMBERSHIP_LEN 8
 881 #define WLAN_USER_POSITION_LEN 16
 882
 883 /**
 884  * struct ieee80211_tpc_report_ie
 885  *
 886  * This structure refers to "TPC Report element"
 887  */
 888 struct ieee80211_tpc_report_ie {
 889         u8 tx_power;
 890         u8 link_margin;
 891 } __packed;
 892
 893 struct ieee80211_mgmt {
 894         __le16 frame_control;
 895         __le16 duration;
 896         u8 da[ETH_ALEN];
 897         u8 sa[ETH_ALEN];
 898         u8 bssid[ETH_ALEN];
 899         __le16 seq_ctrl;
 900         union {
 901                 struct {
 902                         __le16 auth_alg;
 903                         __le16 auth_transaction;
 904                         __le16 status_code;
 905                         /* possibly followed by Challenge text */
 906                         u8 variable[0];
 907                 } __packed auth;
 908                 struct {
 909                         __le16 reason_code;
 910                 } __packed deauth;
 911                 struct {
 912                         __le16 capab_info;
 913                         __le16 listen_interval;
 914                         /* followed by SSID and Supported rates */
 915                         u8 variable[0];
 916                 } __packed assoc_req;
 917                 struct {
 918                         __le16 capab_info;
 919                         __le16 status_code;
 920                         __le16 aid;
 921                         /* followed by Supported rates */
 922                         u8 variable[0];
 923                 } __packed assoc_resp, reassoc_resp;
 924                 struct {
 925                         __le16 capab_info;
 926                         __le16 listen_interval;
 927                         u8 current_ap[ETH_ALEN];
 928                         /* followed by SSID and Supported rates */
 929                         u8 variable[0];
 930                 } __packed reassoc_req;
 931                 struct {
 932                         __le16 reason_code;
 933                 } __packed disassoc;
 934                 struct {
 935                         __le64 timestamp;
 936                         __le16 beacon_int;
 937                         __le16 capab_info;
 938                         /* followed by some of SSID, Supported rates,
 939                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 940                         u8 variable[0];
 941                 } __packed beacon;
 942                 struct {
 943                         /* only variable items: SSID, Supported rates */
 944                         u8 variable[0];
 945                 } __packed probe_req;
 946                 struct {
 947                         __le64 timestamp;
 948                         __le16 beacon_int;
 949                         __le16 capab_info;
 950                         /* followed by some of SSID, Supported rates,
 951                          * FH Params, DS Params, CF Params, IBSS Params */
 952                         u8 variable[0];
 953                 } __packed probe_resp;
 954                 struct {
 955                         u8 category;
 956                         union {
 957                                 struct {
 958                                         u8 action_code;
 959                                         u8 dialog_token;
 960                                         u8 status_code;
 961                                         u8 variable[0];
 962                                 } __packed wme_action;
 963                                 struct{
 964                                         u8 action_code;
 965                                         u8 variable[0];
 966                                 } __packed chan_switch;
 967                                 struct{
 968                                         u8 action_code;
 969                                         struct ieee80211_ext_chansw_ie data;
 970                                         u8 variable[0];
 971                                 } __packed ext_chan_switch;
 972                                 struct{
 973                                         u8 action_code;
 974                                         u8 dialog_token;
 975                                         u8 element_id;
 976                                         u8 length;
 977                                         struct ieee80211_msrment_ie msr_elem;
 978                                 } __packed measurement;
 979                                 struct{
 980                                         u8 action_code;
 981                                         u8 dialog_token;
 982                                         __le16 capab;
 983                                         __le16 timeout;
 984                                         __le16 start_seq_num;
 985                                 } __packed addba_req;
 986                                 struct{
 987                                         u8 action_code;
 988                                         u8 dialog_token;
 989                                         __le16 status;
 990                                         __le16 capab;
 991                                         __le16 timeout;
 992                                 } __packed addba_resp;
 993                                 struct{
 994                                         u8 action_code;
 995                                         __le16 params;
 996                                         __le16 reason_code;
 997                                 } __packed delba;
 998                                 struct {
 999                                         u8 action_code;
1000                                         u8 variable[0];
1001                                 } __packed self_prot;
1002                                 struct{
1003                                         u8 action_code;
1004                                         u8 variable[0];
1005                                 } __packed mesh_action;
1006                                 struct {
1007                                         u8 action;
1008                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1009                                 } __packed sa_query;
1010                                 struct {
1011                                         u8 action;
1012                                         u8 smps_control;
1013                                 } __packed ht_smps;
1014                                 struct {
1015                                         u8 action_code;
1016                                         u8 chanwidth;
1017                                 } __packed ht_notify_cw;
1018                                 struct {
1019                                         u8 action_code;
1020                                         u8 dialog_token;
1021                                         __le16 capability;
1022                                         u8 variable[0];
1023                                 } __packed tdls_discover_resp;
1024                                 struct {
1025                                         u8 action_code;
1026                                         u8 operating_mode;
1027                                 } __packed vht_opmode_notif;
1028                                 struct {
1029                                         u8 action_code;
1030                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1031                                         u8 position[WLAN_USER_POSITION_LEN];
1032                                 } __packed vht_group_notif;
1033                                 struct {
1034                                         u8 action_code;
1035                                         u8 dialog_token;
1036                                         u8 tpc_elem_id;
1037                                         u8 tpc_elem_length;
1038                                         struct ieee80211_tpc_report_ie tpc;
1039                                 } __packed tpc_report;
1040                                 struct {
1041                                         u8 action_code;
1042                                         u8 dialog_token;
1043                                         u8 follow_up;
1044                                         u8 tod[6];
1045                                         u8 toa[6];
1046                                         __le16 tod_error;
1047                                         __le16 toa_error;
1048                                         u8 variable[0];
1049                                 } __packed ftm;
1050                         } u;
1051                 } __packed action;
1052         } u;
1053 } __packed __aligned(2);
1054
1055 /* Supported rates membership selectors */
1056 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1057 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1058
1059 /* mgmt header + 1 byte category code */
1060 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1061
1062
1063 /* Management MIC information element (IEEE 802.11w) */
1064 struct ieee80211_mmie {
1065         u8 element_id;
1066         u8 length;
1067         __le16 key_id;
1068         u8 sequence_number[6];
1069         u8 mic[8];
1070 } __packed;
1071
1072 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1073 struct ieee80211_mmie_16 {
1074         u8 element_id;
1075         u8 length;
1076         __le16 key_id;
1077         u8 sequence_number[6];
1078         u8 mic[16];
1079 } __packed;
1080
1081 struct ieee80211_vendor_ie {
1082         u8 element_id;
1083         u8 len;
1084         u8 oui[3];
1085         u8 oui_type;
1086 } __packed;
1087
1088 struct ieee80211_wmm_ac_param {
1089         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1090         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1091         __le16 txop_limit;
1092 } __packed;
1093
1094 struct ieee80211_wmm_param_ie {
1095         u8 element_id; /* Element ID: 221 (0xdd); */
1096         u8 len; /* Length: 24 */
1097         /* required fields for WMM version 1 */
1098         u8 oui[3]; /* 00:50:f2 */
1099         u8 oui_type; /* 2 */
1100         u8 oui_subtype; /* 1 */
1101         u8 version; /* 1 for WMM version 1.0 */
1102         u8 qos_info; /* AP/STA specific QoS info */
1103         u8 reserved; /* 0 */
1104         /* AC_BE, AC_BK, AC_VI, AC_VO */
1105         struct ieee80211_wmm_ac_param ac[4];
1106 } __packed;
1107
1108 /* Control frames */
1109 struct ieee80211_rts {
1110         __le16 frame_control;
1111         __le16 duration;
1112         u8 ra[ETH_ALEN];
1113         u8 ta[ETH_ALEN];
1114 } __packed __aligned(2);
1115
1116 struct ieee80211_cts {
1117         __le16 frame_control;
1118         __le16 duration;
1119         u8 ra[ETH_ALEN];
1120 } __packed __aligned(2);
1121
1122 struct ieee80211_pspoll {
1123         __le16 frame_control;
1124         __le16 aid;
1125         u8 bssid[ETH_ALEN];
1126         u8 ta[ETH_ALEN];
1127 } __packed __aligned(2);
1128
1129 /* TDLS */
1130
1131 /* Channel switch timing */
1132 struct ieee80211_ch_switch_timing {
1133         __le16 switch_time;
1134         __le16 switch_timeout;
1135 } __packed;
1136
1137 /* Link-id information element */
1138 struct ieee80211_tdls_lnkie {
1139         u8 ie_type; /* Link Identifier IE */
1140         u8 ie_len;
1141         u8 bssid[ETH_ALEN];
1142         u8 init_sta[ETH_ALEN];
1143         u8 resp_sta[ETH_ALEN];
1144 } __packed;
1145
1146 struct ieee80211_tdls_data {
1147         u8 da[ETH_ALEN];
1148         u8 sa[ETH_ALEN];
1149         __be16 ether_type;
1150         u8 payload_type;
1151         u8 category;
1152         u8 action_code;
1153         union {
1154                 struct {
1155                         u8 dialog_token;
1156                         __le16 capability;
1157                         u8 variable[0];
1158                 } __packed setup_req;
1159                 struct {
1160                         __le16 status_code;
1161                         u8 dialog_token;
1162                         __le16 capability;
1163                         u8 variable[0];
1164                 } __packed setup_resp;
1165                 struct {
1166                         __le16 status_code;
1167                         u8 dialog_token;
1168                         u8 variable[0];
1169                 } __packed setup_cfm;
1170                 struct {
1171                         __le16 reason_code;
1172                         u8 variable[0];
1173                 } __packed teardown;
1174                 struct {
1175                         u8 dialog_token;
1176                         u8 variable[0];
1177                 } __packed discover_req;
1178                 struct {
1179                         u8 target_channel;
1180                         u8 oper_class;
1181                         u8 variable[0];
1182                 } __packed chan_switch_req;
1183                 struct {
1184                         __le16 status_code;
1185                         u8 variable[0];
1186                 } __packed chan_switch_resp;
1187         } u;
1188 } __packed;
1189
1190 /*
1191  * Peer-to-Peer IE attribute related definitions.
1192  */
1193 /**
1194  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1195  */
1196 enum ieee80211_p2p_attr_id {
1197         IEEE80211_P2P_ATTR_STATUS = 0,
1198         IEEE80211_P2P_ATTR_MINOR_REASON,
1199         IEEE80211_P2P_ATTR_CAPABILITY,
1200         IEEE80211_P2P_ATTR_DEVICE_ID,
1201         IEEE80211_P2P_ATTR_GO_INTENT,
1202         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1203         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1204         IEEE80211_P2P_ATTR_GROUP_BSSID,
1205         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1206         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1207         IEEE80211_P2P_ATTR_MANAGABILITY,
1208         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1209         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1210         IEEE80211_P2P_ATTR_DEVICE_INFO,
1211         IEEE80211_P2P_ATTR_GROUP_INFO,
1212         IEEE80211_P2P_ATTR_GROUP_ID,
1213         IEEE80211_P2P_ATTR_INTERFACE,
1214         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1215         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1216         /* 19 - 220: Reserved */
1217         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1218
1219         IEEE80211_P2P_ATTR_MAX
1220 };
1221
1222 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1223 /* Typical max value used here */
1224 #define IEEE80211_P2P_NOA_DESC_MAX      4
1225
1226 struct ieee80211_p2p_noa_desc {
1227         u8 count;
1228         __le32 duration;
1229         __le32 interval;
1230         __le32 start_time;
1231 } __packed;
1232
1233 struct ieee80211_p2p_noa_attr {
1234         u8 index;
1235         u8 oppps_ctwindow;
1236         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1237 } __packed;
1238
1239 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1240 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1241
1242 /**
1243  * struct ieee80211_bar - HT Block Ack Request
1244  *
1245  * This structure refers to "HT BlockAckReq" as
1246  * described in 802.11n draft section 7.2.1.7.1
1247  */
1248 struct ieee80211_bar {
1249         __le16 frame_control;
1250         __le16 duration;
1251         __u8 ra[ETH_ALEN];
1252         __u8 ta[ETH_ALEN];
1253         __le16 control;
1254         __le16 start_seq_num;
1255 } __packed;
1256
1257 /* 802.11 BAR control masks */
1258 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1259 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1260 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1261 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1262 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1263
1264 #define IEEE80211_HT_MCS_MASK_LEN               10
1265
1266 /**
1267  * struct ieee80211_mcs_info - MCS information
1268  * @rx_mask: RX mask
1269  * @rx_highest: highest supported RX rate. If set represents
1270  *      the highest supported RX data rate in units of 1 Mbps.
1271  *      If this field is 0 this value should not be used to
1272  *      consider the highest RX data rate supported.
1273  * @tx_params: TX parameters
1274  */
1275 struct ieee80211_mcs_info {
1276         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1277         __le16 rx_highest;
1278         u8 tx_params;
1279         u8 reserved[3];
1280 } __packed;
1281
1282 /* 802.11n HT capability MSC set */
1283 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1284 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1285 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1286 /* value 0 == 1 stream etc */
1287 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1288 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1289 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1290 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1291
1292 /*
1293  * 802.11n D5.0 20.3.5 / 20.6 says:
1294  * - indices 0 to 7 and 32 are single spatial stream
1295  * - 8 to 31 are multiple spatial streams using equal modulation
1296  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1297  * - remainder are multiple spatial streams using unequal modulation
1298  */
1299 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1300 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1301         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1302
1303 /**
1304  * struct ieee80211_ht_cap - HT capabilities
1305  *
1306  * This structure is the "HT capabilities element" as
1307  * described in 802.11n D5.0 7.3.2.57
1308  */
1309 struct ieee80211_ht_cap {
1310         __le16 cap_info;
1311         u8 ampdu_params_info;
1312
1313         /* 16 bytes MCS information */
1314         struct ieee80211_mcs_info mcs;
1315
1316         __le16 extended_ht_cap_info;
1317         __le32 tx_BF_cap_info;
1318         u8 antenna_selection_info;
1319 } __packed;
1320
1321 /* 802.11n HT capabilities masks (for cap_info) */
1322 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1323 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1324 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1325 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1326 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1327 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1328 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1329 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1330 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1331 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1332 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1333 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1334 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1335 #define IEEE80211_HT_CAP_RESERVED               0x2000
1336 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1337 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1338
1339 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1340 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1341 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1342 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1343 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1344 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1345 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1346 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1347
1348 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1349 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1350 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1351 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1352
1353 /*
1354  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1355  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1356  */
1357 enum ieee80211_max_ampdu_length_exp {
1358         IEEE80211_HT_MAX_AMPDU_8K = 0,
1359         IEEE80211_HT_MAX_AMPDU_16K = 1,
1360         IEEE80211_HT_MAX_AMPDU_32K = 2,
1361         IEEE80211_HT_MAX_AMPDU_64K = 3
1362 };
1363
1364 /*
1365  * Maximum length of AMPDU that the STA can receive in VHT.
1366  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1367  */
1368 enum ieee80211_vht_max_ampdu_length_exp {
1369         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1370         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1371         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1372         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1373         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1374         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1375         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1376         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1377 };
1378
1379 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1380
1381 /* Minimum MPDU start spacing */
1382 enum ieee80211_min_mpdu_spacing {
1383         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1384         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1385         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1386         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1387         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1388         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1389         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1390         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1391 };
1392
1393 /**
1394  * struct ieee80211_ht_operation - HT operation IE
1395  *
1396  * This structure is the "HT operation element" as
1397  * described in 802.11n-2009 7.3.2.57
1398  */
1399 struct ieee80211_ht_operation {
1400         u8 primary_chan;
1401         u8 ht_param;
1402         __le16 operation_mode;
1403         __le16 stbc_param;
1404         u8 basic_set[16];
1405 } __packed;
1406
1407 /* for ht_param */
1408 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1409 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1410 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1411 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1412 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1413 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1414
1415 /* for operation_mode */
1416 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1417 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1418 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1419 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1420 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1421 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1422 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1423 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1424 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1425
1426 /* for stbc_param */
1427 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1428 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1429 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1430 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1431 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1432 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1433
1434
1435 /* block-ack parameters */
1436 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1437 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1438 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1439 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1440 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1441 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1442
1443 /*
1444  * A-PMDU buffer sizes
1445  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1446  */
1447 #define IEEE80211_MIN_AMPDU_BUF 0x8
1448 #define IEEE80211_MAX_AMPDU_BUF 0x40
1449
1450
1451 /* Spatial Multiplexing Power Save Modes (for capability) */
1452 #define WLAN_HT_CAP_SM_PS_STATIC        0
1453 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1454 #define WLAN_HT_CAP_SM_PS_INVALID       2
1455 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1456
1457 /* for SM power control field lower two bits */
1458 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1459 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1460 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1461
1462 /**
1463  * struct ieee80211_vht_mcs_info - VHT MCS information
1464  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1465  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1466  *      STA can receive. Rate expressed in units of 1 Mbps.
1467  *      If this field is 0 this value should not be used to
1468  *      consider the highest RX data rate supported.
1469  *      The top 3 bits of this field are reserved.
1470  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1471  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1472  *      STA can transmit. Rate expressed in units of 1 Mbps.
1473  *      If this field is 0 this value should not be used to
1474  *      consider the highest TX data rate supported.
1475  *      The top 3 bits of this field are reserved.
1476  */
1477 struct ieee80211_vht_mcs_info {
1478         __le16 rx_mcs_map;
1479         __le16 rx_highest;
1480         __le16 tx_mcs_map;
1481         __le16 tx_highest;
1482 } __packed;
1483
1484 /**
1485  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1486  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1487  *      number of streams
1488  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1489  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1490  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1491  *
1492  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1493  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1494  * both split into 8 subfields by number of streams. These values indicate
1495  * which MCSes are supported for the number of streams the value appears
1496  * for.
1497  */
1498 enum ieee80211_vht_mcs_support {
1499         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1500         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1501         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1502         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1503 };
1504
1505 /**
1506  * struct ieee80211_vht_cap - VHT capabilities
1507  *
1508  * This structure is the "VHT capabilities element" as
1509  * described in 802.11ac D3.0 8.4.2.160
1510  * @vht_cap_info: VHT capability info
1511  * @supp_mcs: VHT MCS supported rates
1512  */
1513 struct ieee80211_vht_cap {
1514         __le32 vht_cap_info;
1515         struct ieee80211_vht_mcs_info supp_mcs;
1516 } __packed;
1517
1518 /**
1519  * enum ieee80211_vht_chanwidth - VHT channel width
1520  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1521  *      determine the channel width (20 or 40 MHz)
1522  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1523  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1524  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1525  */
1526 enum ieee80211_vht_chanwidth {
1527         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1528         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1529         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1530         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1531 };
1532
1533 /**
1534  * struct ieee80211_vht_operation - VHT operation IE
1535  *
1536  * This structure is the "VHT operation element" as
1537  * described in 802.11ac D3.0 8.4.2.161
1538  * @chan_width: Operating channel width
1539  * @center_freq_seg0_idx: center freq segment 0 index
1540  * @center_freq_seg1_idx: center freq segment 1 index
1541  * @basic_mcs_set: VHT Basic MCS rate set
1542  */
1543 struct ieee80211_vht_operation {
1544         u8 chan_width;
1545         u8 center_freq_seg0_idx;
1546         u8 center_freq_seg1_idx;
1547         __le16 basic_mcs_set;
1548 } __packed;
1549
1550
1551 /* 802.11ac VHT Capabilities */
1552 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1553 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1554 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1555 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1556 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1557 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1558 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1559 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1560 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1561 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1562 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1563 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1564 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1565 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1566 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1567 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1568 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1569 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1570 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1571 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1572                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1573 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1574 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1575                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1576 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1577 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1578 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1579 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1580 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1581 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1582                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1583 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1584 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1585 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1586 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1587
1588 /* Authentication algorithms */
1589 #define WLAN_AUTH_OPEN 0
1590 #define WLAN_AUTH_SHARED_KEY 1
1591 #define WLAN_AUTH_FT 2
1592 #define WLAN_AUTH_SAE 3
1593 #define WLAN_AUTH_FILS_SK 4
1594 #define WLAN_AUTH_FILS_SK_PFS 5
1595 #define WLAN_AUTH_FILS_PK 6
1596 #define WLAN_AUTH_LEAP 128
1597
1598 #define WLAN_AUTH_CHALLENGE_LEN 128
1599
1600 #define WLAN_CAPABILITY_ESS             (1<<0)
1601 #define WLAN_CAPABILITY_IBSS            (1<<1)
1602
1603 /*
1604  * A mesh STA sets the ESS and IBSS capability bits to zero.
1605  * however, this holds true for p2p probe responses (in the p2p_find
1606  * phase) as well.
1607  */
1608 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1609         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1610
1611 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
1612 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1613 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
1614 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
1615 #define WLAN_CAPABILITY_PBCC            (1<<6)
1616 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1617
1618 /* 802.11h */
1619 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
1620 #define WLAN_CAPABILITY_QOS             (1<<9)
1621 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1622 #define WLAN_CAPABILITY_APSD            (1<<11)
1623 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
1624 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
1625 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
1626 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
1627
1628 /* DMG (60gHz) 802.11ad */
1629 /* type - bits 0..1 */
1630 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
1631 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
1632 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
1633 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
1634
1635 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
1636 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
1637 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
1638 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
1639
1640 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
1641 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
1642
1643 /* measurement */
1644 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
1645 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
1646 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
1647
1648 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
1649 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
1650 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
1651
1652 /* 802.11g ERP information element */
1653 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1654 #define WLAN_ERP_USE_PROTECTION (1<<1)
1655 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1656
1657 /* WLAN_ERP_BARKER_PREAMBLE values */
1658 enum {
1659         WLAN_ERP_PREAMBLE_SHORT = 0,
1660         WLAN_ERP_PREAMBLE_LONG = 1,
1661 };
1662
1663 /* Band ID, 802.11ad #8.4.1.45 */
1664 enum {
1665         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1666         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
1667         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
1668         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
1669         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
1670         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
1671 };
1672
1673 /* Status codes */
1674 enum ieee80211_statuscode {
1675         WLAN_STATUS_SUCCESS = 0,
1676         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1677         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1678         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1679         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1680         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1681         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1682         WLAN_STATUS_CHALLENGE_FAIL = 15,
1683         WLAN_STATUS_AUTH_TIMEOUT = 16,
1684         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1685         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1686         /* 802.11b */
1687         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1688         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1689         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1690         /* 802.11h */
1691         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1692         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1693         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1694         /* 802.11g */
1695         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1696         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1697         /* 802.11w */
1698         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1699         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1700         /* 802.11i */
1701         WLAN_STATUS_INVALID_IE = 40,
1702         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1703         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1704         WLAN_STATUS_INVALID_AKMP = 43,
1705         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1706         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1707         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1708         /* 802.11e */
1709         WLAN_STATUS_UNSPECIFIED_QOS = 32,
1710         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1711         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1712         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1713         WLAN_STATUS_REQUEST_DECLINED = 37,
1714         WLAN_STATUS_INVALID_QOS_PARAM = 38,
1715         WLAN_STATUS_CHANGE_TSPEC = 39,
1716         WLAN_STATUS_WAIT_TS_DELAY = 47,
1717         WLAN_STATUS_NO_DIRECT_LINK = 48,
1718         WLAN_STATUS_STA_NOT_PRESENT = 49,
1719         WLAN_STATUS_STA_NOT_QSTA = 50,
1720         /* 802.11s */
1721         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1722         WLAN_STATUS_FCG_NOT_SUPP = 78,
1723         WLAN_STATUS_STA_NO_TBTT = 78,
1724         /* 802.11ad */
1725         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1726         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1727         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1728         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1729         WLAN_STATUS_PERFORMING_FST_NOW = 87,
1730         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1731         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1732         WLAN_STATUS_REJECT_DSE_BAND = 96,
1733         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1734         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1735         /* 802.11ai */
1736         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
1737         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
1738 };
1739
1740
1741 /* Reason codes */
1742 enum ieee80211_reasoncode {
1743         WLAN_REASON_UNSPECIFIED = 1,
1744         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1745         WLAN_REASON_DEAUTH_LEAVING = 3,
1746         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1747         WLAN_REASON_DISASSOC_AP_BUSY = 5,
1748         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1749         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1750         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1751         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1752         /* 802.11h */
1753         WLAN_REASON_DISASSOC_BAD_POWER = 10,
1754         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1755         /* 802.11i */
1756         WLAN_REASON_INVALID_IE = 13,
1757         WLAN_REASON_MIC_FAILURE = 14,
1758         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1759         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1760         WLAN_REASON_IE_DIFFERENT = 17,
1761         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1762         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1763         WLAN_REASON_INVALID_AKMP = 20,
1764         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1765         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1766         WLAN_REASON_IEEE8021X_FAILED = 23,
1767         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1768         /* TDLS (802.11z) */
1769         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1770         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1771         /* 802.11e */
1772         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1773         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1774         WLAN_REASON_DISASSOC_LOW_ACK = 34,
1775         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1776         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1777         WLAN_REASON_QSTA_NOT_USE = 37,
1778         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1779         WLAN_REASON_QSTA_TIMEOUT = 39,
1780         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1781         /* 802.11s */
1782         WLAN_REASON_MESH_PEER_CANCELED = 52,
1783         WLAN_REASON_MESH_MAX_PEERS = 53,
1784         WLAN_REASON_MESH_CONFIG = 54,
1785         WLAN_REASON_MESH_CLOSE = 55,
1786         WLAN_REASON_MESH_MAX_RETRIES = 56,
1787         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1788         WLAN_REASON_MESH_INVALID_GTK = 58,
1789         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1790         WLAN_REASON_MESH_INVALID_SECURITY = 60,
1791         WLAN_REASON_MESH_PATH_ERROR = 61,
1792         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1793         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1794         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1795         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1796         WLAN_REASON_MESH_CHAN = 66,
1797 };
1798
1799
1800 /* Information Element IDs */
1801 enum ieee80211_eid {
1802         WLAN_EID_SSID = 0,
1803         WLAN_EID_SUPP_RATES = 1,
1804         WLAN_EID_FH_PARAMS = 2, /* reserved now */
1805         WLAN_EID_DS_PARAMS = 3,
1806         WLAN_EID_CF_PARAMS = 4,
1807         WLAN_EID_TIM = 5,
1808         WLAN_EID_IBSS_PARAMS = 6,
1809         WLAN_EID_COUNTRY = 7,
1810         /* 8, 9 reserved */
1811         WLAN_EID_REQUEST = 10,
1812         WLAN_EID_QBSS_LOAD = 11,
1813         WLAN_EID_EDCA_PARAM_SET = 12,
1814         WLAN_EID_TSPEC = 13,
1815         WLAN_EID_TCLAS = 14,
1816         WLAN_EID_SCHEDULE = 15,
1817         WLAN_EID_CHALLENGE = 16,
1818         /* 17-31 reserved for challenge text extension */
1819         WLAN_EID_PWR_CONSTRAINT = 32,
1820         WLAN_EID_PWR_CAPABILITY = 33,
1821         WLAN_EID_TPC_REQUEST = 34,
1822         WLAN_EID_TPC_REPORT = 35,
1823         WLAN_EID_SUPPORTED_CHANNELS = 36,
1824         WLAN_EID_CHANNEL_SWITCH = 37,
1825         WLAN_EID_MEASURE_REQUEST = 38,
1826         WLAN_EID_MEASURE_REPORT = 39,
1827         WLAN_EID_QUIET = 40,
1828         WLAN_EID_IBSS_DFS = 41,
1829         WLAN_EID_ERP_INFO = 42,
1830         WLAN_EID_TS_DELAY = 43,
1831         WLAN_EID_TCLAS_PROCESSING = 44,
1832         WLAN_EID_HT_CAPABILITY = 45,
1833         WLAN_EID_QOS_CAPA = 46,
1834         /* 47 reserved for Broadcom */
1835         WLAN_EID_RSN = 48,
1836         WLAN_EID_802_15_COEX = 49,
1837         WLAN_EID_EXT_SUPP_RATES = 50,
1838         WLAN_EID_AP_CHAN_REPORT = 51,
1839         WLAN_EID_NEIGHBOR_REPORT = 52,
1840         WLAN_EID_RCPI = 53,
1841         WLAN_EID_MOBILITY_DOMAIN = 54,
1842         WLAN_EID_FAST_BSS_TRANSITION = 55,
1843         WLAN_EID_TIMEOUT_INTERVAL = 56,
1844         WLAN_EID_RIC_DATA = 57,
1845         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1846         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1847         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1848         WLAN_EID_HT_OPERATION = 61,
1849         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1850         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1851         WLAN_EID_ANTENNA_INFO = 64,
1852         WLAN_EID_RSNI = 65,
1853         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1854         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1855         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1856         WLAN_EID_TIME_ADVERTISEMENT = 69,
1857         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1858         WLAN_EID_MULTIPLE_BSSID = 71,
1859         WLAN_EID_BSS_COEX_2040 = 72,
1860         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1861         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1862         WLAN_EID_RIC_DESCRIPTOR = 75,
1863         WLAN_EID_MMIE = 76,
1864         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1865         WLAN_EID_EVENT_REQUEST = 78,
1866         WLAN_EID_EVENT_REPORT = 79,
1867         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1868         WLAN_EID_DIAGNOSTIC_REPORT = 81,
1869         WLAN_EID_LOCATION_PARAMS = 82,
1870         WLAN_EID_NON_TX_BSSID_CAP =  83,
1871         WLAN_EID_SSID_LIST = 84,
1872         WLAN_EID_MULTI_BSSID_IDX = 85,
1873         WLAN_EID_FMS_DESCRIPTOR = 86,
1874         WLAN_EID_FMS_REQUEST = 87,
1875         WLAN_EID_FMS_RESPONSE = 88,
1876         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1877         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1878         WLAN_EID_TSF_REQUEST = 91,
1879         WLAN_EID_TSF_RESPOSNE = 92,
1880         WLAN_EID_WNM_SLEEP_MODE = 93,
1881         WLAN_EID_TIM_BCAST_REQ = 94,
1882         WLAN_EID_TIM_BCAST_RESP = 95,
1883         WLAN_EID_COLL_IF_REPORT = 96,
1884         WLAN_EID_CHANNEL_USAGE = 97,
1885         WLAN_EID_TIME_ZONE = 98,
1886         WLAN_EID_DMS_REQUEST = 99,
1887         WLAN_EID_DMS_RESPONSE = 100,
1888         WLAN_EID_LINK_ID = 101,
1889         WLAN_EID_WAKEUP_SCHEDUL = 102,
1890         /* 103 reserved */
1891         WLAN_EID_CHAN_SWITCH_TIMING = 104,
1892         WLAN_EID_PTI_CONTROL = 105,
1893         WLAN_EID_PU_BUFFER_STATUS = 106,
1894         WLAN_EID_INTERWORKING = 107,
1895         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1896         WLAN_EID_EXPEDITED_BW_REQ = 109,
1897         WLAN_EID_QOS_MAP_SET = 110,
1898         WLAN_EID_ROAMING_CONSORTIUM = 111,
1899         WLAN_EID_EMERGENCY_ALERT = 112,
1900         WLAN_EID_MESH_CONFIG = 113,
1901         WLAN_EID_MESH_ID = 114,
1902         WLAN_EID_LINK_METRIC_REPORT = 115,
1903         WLAN_EID_CONGESTION_NOTIFICATION = 116,
1904         WLAN_EID_PEER_MGMT = 117,
1905         WLAN_EID_CHAN_SWITCH_PARAM = 118,
1906         WLAN_EID_MESH_AWAKE_WINDOW = 119,
1907         WLAN_EID_BEACON_TIMING = 120,
1908         WLAN_EID_MCCAOP_SETUP_REQ = 121,
1909         WLAN_EID_MCCAOP_SETUP_RESP = 122,
1910         WLAN_EID_MCCAOP_ADVERT = 123,
1911         WLAN_EID_MCCAOP_TEARDOWN = 124,
1912         WLAN_EID_GANN = 125,
1913         WLAN_EID_RANN = 126,
1914         WLAN_EID_EXT_CAPABILITY = 127,
1915         /* 128, 129 reserved for Agere */
1916         WLAN_EID_PREQ = 130,
1917         WLAN_EID_PREP = 131,
1918         WLAN_EID_PERR = 132,
1919         /* 133-136 reserved for Cisco */
1920         WLAN_EID_PXU = 137,
1921         WLAN_EID_PXUC = 138,
1922         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1923         WLAN_EID_MIC = 140,
1924         WLAN_EID_DESTINATION_URI = 141,
1925         WLAN_EID_UAPSD_COEX = 142,
1926         WLAN_EID_WAKEUP_SCHEDULE = 143,
1927         WLAN_EID_EXT_SCHEDULE = 144,
1928         WLAN_EID_STA_AVAILABILITY = 145,
1929         WLAN_EID_DMG_TSPEC = 146,
1930         WLAN_EID_DMG_AT = 147,
1931         WLAN_EID_DMG_CAP = 148,
1932         /* 149 reserved for Cisco */
1933         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1934         WLAN_EID_DMG_OPERATION = 151,
1935         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1936         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1937         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1938         /* 155-156 reserved for Cisco */
1939         WLAN_EID_AWAKE_WINDOW = 157,
1940         WLAN_EID_MULTI_BAND = 158,
1941         WLAN_EID_ADDBA_EXT = 159,
1942         WLAN_EID_NEXT_PCP_LIST = 160,
1943         WLAN_EID_PCP_HANDOVER = 161,
1944         WLAN_EID_DMG_LINK_MARGIN = 162,
1945         WLAN_EID_SWITCHING_STREAM = 163,
1946         WLAN_EID_SESSION_TRANSITION = 164,
1947         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1948         WLAN_EID_CLUSTER_REPORT = 166,
1949         WLAN_EID_RELAY_CAP = 167,
1950         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1951         WLAN_EID_BEAM_LINK_MAINT = 169,
1952         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1953         WLAN_EID_U_PID = 171,
1954         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1955         /* 173 reserved for Symbol */
1956         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1957         WLAN_EID_QUIET_PERIOD_REQ = 175,
1958         /* 176 reserved for Symbol */
1959         WLAN_EID_QUIET_PERIOD_RESP = 177,
1960         /* 178-179 reserved for Symbol */
1961         /* 180 reserved for ISO/IEC 20011 */
1962         WLAN_EID_EPAC_POLICY = 182,
1963         WLAN_EID_CLISTER_TIME_OFF = 183,
1964         WLAN_EID_INTER_AC_PRIO = 184,
1965         WLAN_EID_SCS_DESCRIPTOR = 185,
1966         WLAN_EID_QLOAD_REPORT = 186,
1967         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1968         WLAN_EID_HL_STREAM_ID = 188,
1969         WLAN_EID_GCR_GROUP_ADDR = 189,
1970         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1971         WLAN_EID_VHT_CAPABILITY = 191,
1972         WLAN_EID_VHT_OPERATION = 192,
1973         WLAN_EID_EXTENDED_BSS_LOAD = 193,
1974         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1975         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1976         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1977         WLAN_EID_AID = 197,
1978         WLAN_EID_QUIET_CHANNEL = 198,
1979         WLAN_EID_OPMODE_NOTIF = 199,
1980
1981         WLAN_EID_VENDOR_SPECIFIC = 221,
1982         WLAN_EID_QOS_PARAMETER = 222,
1983         WLAN_EID_CAG_NUMBER = 237,
1984         WLAN_EID_AP_CSN = 239,
1985         WLAN_EID_FILS_INDICATION = 240,
1986         WLAN_EID_DILS = 241,
1987         WLAN_EID_FRAGMENT = 242,
1988         WLAN_EID_EXTENSION = 255
1989 };
1990
1991 /* Element ID Extensions for Element ID 255 */
1992 enum ieee80211_eid_ext {
1993         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
1994         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
1995         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
1996         WLAN_EID_EXT_FILS_SESSION = 4,
1997         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
1998         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
1999         WLAN_EID_EXT_KEY_DELIVERY = 7,
2000         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2001         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2002         WLAN_EID_EXT_FILS_NONCE = 13,
2003 };
2004
2005 /* Action category code */
2006 enum ieee80211_category {
2007         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2008         WLAN_CATEGORY_QOS = 1,
2009         WLAN_CATEGORY_DLS = 2,
2010         WLAN_CATEGORY_BACK = 3,
2011         WLAN_CATEGORY_PUBLIC = 4,
2012         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2013         WLAN_CATEGORY_HT = 7,
2014         WLAN_CATEGORY_SA_QUERY = 8,
2015         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2016         WLAN_CATEGORY_WNM = 10,
2017         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2018         WLAN_CATEGORY_TDLS = 12,
2019         WLAN_CATEGORY_MESH_ACTION = 13,
2020         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2021         WLAN_CATEGORY_SELF_PROTECTED = 15,
2022         WLAN_CATEGORY_DMG = 16,
2023         WLAN_CATEGORY_WMM = 17,
2024         WLAN_CATEGORY_FST = 18,
2025         WLAN_CATEGORY_UNPROT_DMG = 20,
2026         WLAN_CATEGORY_VHT = 21,
2027         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2028         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2029 };
2030
2031 /* SPECTRUM_MGMT action code */
2032 enum ieee80211_spectrum_mgmt_actioncode {
2033         WLAN_ACTION_SPCT_MSR_REQ = 0,
2034         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2035         WLAN_ACTION_SPCT_TPC_REQ = 2,
2036         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2037         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2038 };
2039
2040 /* HT action codes */
2041 enum ieee80211_ht_actioncode {
2042         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2043         WLAN_HT_ACTION_SMPS = 1,
2044         WLAN_HT_ACTION_PSMP = 2,
2045         WLAN_HT_ACTION_PCO_PHASE = 3,
2046         WLAN_HT_ACTION_CSI = 4,
2047         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2048         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2049         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2050 };
2051
2052 /* VHT action codes */
2053 enum ieee80211_vht_actioncode {
2054         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2055         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2056         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2057 };
2058
2059 /* Self Protected Action codes */
2060 enum ieee80211_self_protected_actioncode {
2061         WLAN_SP_RESERVED = 0,
2062         WLAN_SP_MESH_PEERING_OPEN = 1,
2063         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2064         WLAN_SP_MESH_PEERING_CLOSE = 3,
2065         WLAN_SP_MGK_INFORM = 4,
2066         WLAN_SP_MGK_ACK = 5,
2067 };
2068
2069 /* Mesh action codes */
2070 enum ieee80211_mesh_actioncode {
2071         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2072         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2073         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2074         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2075         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2076         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2077         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2078         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2079         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2080         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2081         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2082 };
2083
2084 /* Security key length */
2085 enum ieee80211_key_len {
2086         WLAN_KEY_LEN_WEP40 = 5,
2087         WLAN_KEY_LEN_WEP104 = 13,
2088         WLAN_KEY_LEN_CCMP = 16,
2089         WLAN_KEY_LEN_CCMP_256 = 32,
2090         WLAN_KEY_LEN_TKIP = 32,
2091         WLAN_KEY_LEN_AES_CMAC = 16,
2092         WLAN_KEY_LEN_SMS4 = 32,
2093         WLAN_KEY_LEN_GCMP = 16,
2094         WLAN_KEY_LEN_GCMP_256 = 32,
2095         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2096         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2097         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2098 };
2099
2100 #define IEEE80211_WEP_IV_LEN            4
2101 #define IEEE80211_WEP_ICV_LEN           4
2102 #define IEEE80211_CCMP_HDR_LEN          8
2103 #define IEEE80211_CCMP_MIC_LEN          8
2104 #define IEEE80211_CCMP_PN_LEN           6
2105 #define IEEE80211_CCMP_256_HDR_LEN      8
2106 #define IEEE80211_CCMP_256_MIC_LEN      16
2107 #define IEEE80211_CCMP_256_PN_LEN       6
2108 #define IEEE80211_TKIP_IV_LEN           8
2109 #define IEEE80211_TKIP_ICV_LEN          4
2110 #define IEEE80211_CMAC_PN_LEN           6
2111 #define IEEE80211_GMAC_PN_LEN           6
2112 #define IEEE80211_GCMP_HDR_LEN          8
2113 #define IEEE80211_GCMP_MIC_LEN          16
2114 #define IEEE80211_GCMP_PN_LEN           6
2115
2116 #define FILS_NONCE_LEN                  16
2117 #define FILS_MAX_KEK_LEN                64
2118
2119 #define FILS_ERP_MAX_USERNAME_LEN       16
2120 #define FILS_ERP_MAX_REALM_LEN          253
2121 #define FILS_ERP_MAX_RRK_LEN            64
2122
2123 #define PMK_MAX_LEN                     48
2124
2125 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2126 enum ieee80211_pub_actioncode {
2127         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2128         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2129         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2130         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2131         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2132         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2133         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2134         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2135         WLAN_PUB_ACTION_DSE_PC = 8,
2136         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2137         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2138         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2139         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2140         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2141         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2142         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2143         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2144         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2145         WLAN_PUB_ACTION_QMF_POLICY = 18,
2146         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2147         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2148         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2149         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2150         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2151         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2152         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2153         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2154         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2155         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2156         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2157         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2158         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2159         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2160         WLAN_PUB_ACTION_FTM = 33,
2161         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2162 };
2163
2164 /* TDLS action codes */
2165 enum ieee80211_tdls_actioncode {
2166         WLAN_TDLS_SETUP_REQUEST = 0,
2167         WLAN_TDLS_SETUP_RESPONSE = 1,
2168         WLAN_TDLS_SETUP_CONFIRM = 2,
2169         WLAN_TDLS_TEARDOWN = 3,
2170         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2171         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2172         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2173         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2174         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2175         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2176         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2177 };
2178
2179 /* Extended Channel Switching capability to be set in the 1st byte of
2180  * the @WLAN_EID_EXT_CAPABILITY information element
2181  */
2182 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2183
2184 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2185 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2186 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2187 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2188
2189 /* Interworking capabilities are set in 7th bit of 4th byte of the
2190  * @WLAN_EID_EXT_CAPABILITY information element
2191  */
2192 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2193
2194 /*
2195  * TDLS capabililites to be enabled in the 5th byte of the
2196  * @WLAN_EID_EXT_CAPABILITY information element
2197  */
2198 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2199 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2200 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2201
2202 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2203 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2204
2205 /* Defines the maximal number of MSDUs in an A-MSDU. */
2206 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2207 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2208
2209 /*
2210  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2211  * information element
2212  */
2213 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2214
2215 /* TDLS specific payload type in the LLC/SNAP header */
2216 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2217
2218 /* BSS Coex IE information field bits */
2219 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2220
2221 /**
2222  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2223  *
2224  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2225  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2226  *      that will be specified in a vendor specific information element
2227  */
2228 enum ieee80211_mesh_sync_method {
2229         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2230         IEEE80211_SYNC_METHOD_VENDOR = 255,
2231 };
2232
2233 /**
2234  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2235  *
2236  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2237  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2238  *      be specified in a vendor specific information element
2239  */
2240 enum ieee80211_mesh_path_protocol {
2241         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2242         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2243 };
2244
2245 /**
2246  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2247  *
2248  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2249  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2250  *      specified in a vendor specific information element
2251  */
2252 enum ieee80211_mesh_path_metric {
2253         IEEE80211_PATH_METRIC_AIRTIME = 1,
2254         IEEE80211_PATH_METRIC_VENDOR = 255,
2255 };
2256
2257 /**
2258  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2259  *
2260  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2261  *
2262  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2263  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2264  *      this value
2265  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2266  *      the proactive PREQ with proactive PREP subfield set to 0
2267  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2268  *      supports the proactive PREQ with proactive PREP subfield set to 1
2269  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2270  *      the proactive RANN
2271  */
2272 enum ieee80211_root_mode_identifier {
2273         IEEE80211_ROOTMODE_NO_ROOT = 0,
2274         IEEE80211_ROOTMODE_ROOT = 1,
2275         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2276         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2277         IEEE80211_PROACTIVE_RANN = 4,
2278 };
2279
2280 /*
2281  * IEEE 802.11-2007 7.3.2.9 Country information element
2282  *
2283  * Minimum length is 8 octets, ie len must be evenly
2284  * divisible by 2
2285  */
2286
2287 /* Although the spec says 8 I'm seeing 6 in practice */
2288 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2289
2290 /* The Country String field of the element shall be 3 octets in length */
2291 #define IEEE80211_COUNTRY_STRING_LEN    3
2292
2293 /*
2294  * For regulatory extension stuff see IEEE 802.11-2007
2295  * Annex I (page 1141) and Annex J (page 1147). Also
2296  * review 7.3.2.9.
2297  *
2298  * When dot11RegulatoryClassesRequired is true and the
2299  * first_channel/reg_extension_id is >= 201 then the IE
2300  * compromises of the 'ext' struct represented below:
2301  *
2302  *  - Regulatory extension ID - when generating IE this just needs
2303  *    to be monotonically increasing for each triplet passed in
2304  *    the IE
2305  *  - Regulatory class - index into set of rules
2306  *  - Coverage class - index into air propagation time (Table 7-27),
2307  *    in microseconds, you can compute the air propagation time from
2308  *    the index by multiplying by 3, so index 10 yields a propagation
2309  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2310  *    yet. A value of 0 inicates air propagation of <= 1 us.
2311  *
2312  *  See also Table I.2 for Emission limit sets and table
2313  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2314  *  a reg_class to an emission limit set and behavior limit set.
2315  */
2316 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2317
2318 /*
2319  *  Channels numbers in the IE must be monotonically increasing
2320  *  if dot11RegulatoryClassesRequired is not true.
2321  *
2322  *  If dot11RegulatoryClassesRequired is true consecutive
2323  *  subband triplets following a regulatory triplet shall
2324  *  have monotonically increasing first_channel number fields.
2325  *
2326  *  Channel numbers shall not overlap.
2327  *
2328  *  Note that max_power is signed.
2329  */
2330 struct ieee80211_country_ie_triplet {
2331         union {
2332                 struct {
2333                         u8 first_channel;
2334                         u8 num_channels;
2335                         s8 max_power;
2336                 } __packed chans;
2337                 struct {
2338                         u8 reg_extension_id;
2339                         u8 reg_class;
2340                         u8 coverage_class;
2341                 } __packed ext;
2342         };
2343 } __packed;
2344
2345 enum ieee80211_timeout_interval_type {
2346         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2347         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2348         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2349 };
2350
2351 /**
2352  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2353  * @type: type, see &enum ieee80211_timeout_interval_type
2354  * @value: timeout interval value
2355  */
2356 struct ieee80211_timeout_interval_ie {
2357         u8 type;
2358         __le32 value;
2359 } __packed;
2360
2361 /**
2362  * enum ieee80211_idle_options - BSS idle options
2363  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2364  *      protected frame to the AP to reset the idle timer at the AP for
2365  *      the station.
2366  */
2367 enum ieee80211_idle_options {
2368         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2369 };
2370
2371 /**
2372  * struct ieee80211_bss_max_idle_period_ie
2373  *
2374  * This structure refers to "BSS Max idle period element"
2375  *
2376  * @max_idle_period: indicates the time period during which a station can
2377  *      refrain from transmitting frames to its associated AP without being
2378  *      disassociated. In units of 1000 TUs.
2379  * @idle_options: indicates the options associated with the BSS idle capability
2380  *      as specified in &enum ieee80211_idle_options.
2381  */
2382 struct ieee80211_bss_max_idle_period_ie {
2383         __le16 max_idle_period;
2384         u8 idle_options;
2385 } __packed;
2386
2387 /* BACK action code */
2388 enum ieee80211_back_actioncode {
2389         WLAN_ACTION_ADDBA_REQ = 0,
2390         WLAN_ACTION_ADDBA_RESP = 1,
2391         WLAN_ACTION_DELBA = 2,
2392 };
2393
2394 /* BACK (block-ack) parties */
2395 enum ieee80211_back_parties {
2396         WLAN_BACK_RECIPIENT = 0,
2397         WLAN_BACK_INITIATOR = 1,
2398 };
2399
2400 /* SA Query action */
2401 enum ieee80211_sa_query_action {
2402         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2403         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2404 };
2405
2406
2407 #define SUITE(oui, id)  (((oui) << 8) | (id))
2408
2409 /* cipher suite selectors */
2410 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2411 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2412 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2413 /* reserved:                            SUITE(0x000FAC, 3) */
2414 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2415 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2416 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2417 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2418 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2419 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2420 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2421 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2422 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2423
2424 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2425
2426 /* AKM suite selectors */
2427 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2428 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2429 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2430 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2431 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2432 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2433 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2434 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2435 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2436 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2437 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2438 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2439 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2440 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2441 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2442
2443 #define WLAN_MAX_KEY_LEN                32
2444
2445 #define WLAN_PMK_NAME_LEN               16
2446 #define WLAN_PMKID_LEN                  16
2447 #define WLAN_PMK_LEN_EAP_LEAP           16
2448 #define WLAN_PMK_LEN                    32
2449 #define WLAN_PMK_LEN_SUITE_B_192        48
2450
2451 #define WLAN_OUI_WFA                    0x506f9a
2452 #define WLAN_OUI_TYPE_WFA_P2P           9
2453 #define WLAN_OUI_MICROSOFT              0x0050f2
2454 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2455 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2456 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2457
2458 /*
2459  * WMM/802.11e Tspec Element
2460  */
2461 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2462 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2463
2464 enum ieee80211_tspec_status_code {
2465         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2466         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2467 };
2468
2469 struct ieee80211_tspec_ie {
2470         u8 element_id;
2471         u8 len;
2472         u8 oui[3];
2473         u8 oui_type;
2474         u8 oui_subtype;
2475         u8 version;
2476         __le16 tsinfo;
2477         u8 tsinfo_resvd;
2478         __le16 nominal_msdu;
2479         __le16 max_msdu;
2480         __le32 min_service_int;
2481         __le32 max_service_int;
2482         __le32 inactivity_int;
2483         __le32 suspension_int;
2484         __le32 service_start_time;
2485         __le32 min_data_rate;
2486         __le32 mean_data_rate;
2487         __le32 peak_data_rate;
2488         __le32 max_burst_size;
2489         __le32 delay_bound;
2490         __le32 min_phy_rate;
2491         __le16 sba;
2492         __le16 medium_time;
2493 } __packed;
2494
2495 /**
2496  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2497  * @hdr: the frame
2498  *
2499  * The qos ctrl bytes come after the frame_control, duration, seq_num
2500  * and 3 or 4 addresses of length ETH_ALEN.
2501  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2502  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2503  */
2504 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2505 {
2506         if (ieee80211_has_a4(hdr->frame_control))
2507                 return (u8 *)hdr + 30;
2508         else
2509                 return (u8 *)hdr + 24;
2510 }
2511
2512 /**
2513  * ieee80211_get_SA - get pointer to SA
2514  * @hdr: the frame
2515  *
2516  * Given an 802.11 frame, this function returns the offset
2517  * to the source address (SA). It does not verify that the
2518  * header is long enough to contain the address, and the
2519  * header must be long enough to contain the frame control
2520  * field.
2521  */
2522 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2523 {
2524         if (ieee80211_has_a4(hdr->frame_control))
2525                 return hdr->addr4;
2526         if (ieee80211_has_fromds(hdr->frame_control))
2527                 return hdr->addr3;
2528         return hdr->addr2;
2529 }
2530
2531 /**
2532  * ieee80211_get_DA - get pointer to DA
2533  * @hdr: the frame
2534  *
2535  * Given an 802.11 frame, this function returns the offset
2536  * to the destination address (DA). It does not verify that
2537  * the header is long enough to contain the address, and the
2538  * header must be long enough to contain the frame control
2539  * field.
2540  */
2541 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2542 {
2543         if (ieee80211_has_tods(hdr->frame_control))
2544                 return hdr->addr3;
2545         else
2546                 return hdr->addr1;
2547 }
2548
2549 /**
2550  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2551  * @hdr: the frame (buffer must include at least the first octet of payload)
2552  */
2553 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2554 {
2555         if (ieee80211_is_disassoc(hdr->frame_control) ||
2556             ieee80211_is_deauth(hdr->frame_control))
2557                 return true;
2558
2559         if (ieee80211_is_action(hdr->frame_control)) {
2560                 u8 *category;
2561
2562                 /*
2563                  * Action frames, excluding Public Action frames, are Robust
2564                  * Management Frames. However, if we are looking at a Protected
2565                  * frame, skip the check since the data may be encrypted and
2566                  * the frame has already been found to be a Robust Management
2567                  * Frame (by the other end).
2568                  */
2569                 if (ieee80211_has_protected(hdr->frame_control))
2570                         return true;
2571                 category = ((u8 *) hdr) + 24;
2572                 return *category != WLAN_CATEGORY_PUBLIC &&
2573                         *category != WLAN_CATEGORY_HT &&
2574                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2575                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2576                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2577                         *category != WLAN_CATEGORY_VHT &&
2578                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2579         }
2580
2581         return false;
2582 }
2583
2584 /**
2585  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2586  * @skb: the skb containing the frame, length will be checked
2587  */
2588 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2589 {
2590         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2591                 return false;
2592         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2593 }
2594
2595 /**
2596  * ieee80211_is_public_action - check if frame is a public action frame
2597  * @hdr: the frame
2598  * @len: length of the frame
2599  */
2600 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2601                                               size_t len)
2602 {
2603         struct ieee80211_mgmt *mgmt = (void *)hdr;
2604
2605         if (len < IEEE80211_MIN_ACTION_SIZE)
2606                 return false;
2607         if (!ieee80211_is_action(hdr->frame_control))
2608                 return false;
2609         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2610 }
2611
2612 /**
2613  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2614  * privacy action frame
2615  * @hdr: the frame
2616  */
2617 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2618 {
2619         struct ieee80211_mgmt *mgmt = (void *)hdr;
2620
2621         if (!ieee80211_is_action(hdr->frame_control) ||
2622             !is_multicast_ether_addr(hdr->addr1))
2623                 return false;
2624
2625         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2626                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2627 }
2628
2629 /**
2630  * ieee80211_is_group_privacy_action - check if frame is a group addressed
2631  * privacy action frame
2632  * @skb: the skb containing the frame, length will be checked
2633  */
2634 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
2635 {
2636         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2637                 return false;
2638         return _ieee80211_is_group_privacy_action((void *)skb->data);
2639 }
2640
2641 /**
2642  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2643  * @tu: the TUs
2644  */
2645 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2646 {
2647         return 1024 * tu;
2648 }
2649
2650 /**
2651  * ieee80211_check_tim - check if AID bit is set in TIM
2652  * @tim: the TIM IE
2653  * @tim_len: length of the TIM IE
2654  * @aid: the AID to look for
2655  */
2656 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2657                                        u8 tim_len, u16 aid)
2658 {
2659         u8 mask;
2660         u8 index, indexn1, indexn2;
2661
2662         if (unlikely(!tim || tim_len < sizeof(*tim)))
2663                 return false;
2664
2665         aid &= 0x3fff;
2666         index = aid / 8;
2667         mask  = 1 << (aid & 7);
2668
2669         indexn1 = tim->bitmap_ctrl & 0xfe;
2670         indexn2 = tim_len + indexn1 - 4;
2671
2672         if (index < indexn1 || index > indexn2)
2673                 return false;
2674
2675         index -= indexn1;
2676
2677         return !!(tim->virtual_map[index] & mask);
2678 }
2679
2680 /**
2681  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2682  * @skb: the skb containing the frame, length will not be checked
2683  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2684  *
2685  * This function assumes the frame is a data frame, and that the network header
2686  * is in the correct place.
2687  */
2688 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2689 {
2690         if (!skb_is_nonlinear(skb) &&
2691             skb->len > (skb_network_offset(skb) + 2)) {
2692                 /* Point to where the indication of TDLS should start */
2693                 const u8 *tdls_data = skb_network_header(skb) - 2;
2694
2695                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2696                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2697                     tdls_data[3] == WLAN_CATEGORY_TDLS)
2698                         return tdls_data[4];
2699         }
2700
2701         return -1;
2702 }
2703
2704 /* convert time units */
2705 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2706 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2707
2708 /**
2709  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2710  * @skb: the skb containing the frame, length will be checked
2711  *
2712  * This function checks if it's either TPC report action frame or Link
2713  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2714  * and 8.5.7.5 accordingly.
2715  */
2716 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2717 {
2718         struct ieee80211_mgmt *mgmt = (void *)skb->data;
2719
2720         if (!ieee80211_is_action(mgmt->frame_control))
2721                 return false;
2722
2723         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2724                        sizeof(mgmt->u.action.u.tpc_report))
2725                 return false;
2726
2727         /*
2728          * TPC report - check that:
2729          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2730          * spectrum management action = 3 (TPC/Link Measurement report)
2731          * TPC report EID = 35
2732          * TPC report element length = 2
2733          *
2734          * The spectrum management's tpc_report struct is used here both for
2735          * parsing tpc_report and radio measurement's link measurement report
2736          * frame, since the relevant part is identical in both frames.
2737          */
2738         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2739             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2740                 return false;
2741
2742         /* both spectrum mgmt and link measurement have same action code */
2743         if (mgmt->u.action.u.tpc_report.action_code !=
2744             WLAN_ACTION_SPCT_TPC_RPRT)
2745                 return false;
2746
2747         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2748             mgmt->u.action.u.tpc_report.tpc_elem_length !=
2749             sizeof(struct ieee80211_tpc_report_ie))
2750                 return false;
2751
2752         return true;
2753 }
2754
2755 struct element {
2756         u8 id;
2757         u8 datalen;
2758         u8 data[];
2759 } __packed;
2760
2761 /* element iteration helpers */
2762 #define for_each_element(_elem, _data, _datalen)                        \
2763         for (_elem = (const struct element *)(_data);                   \
2764              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
2765                 (int)sizeof(*_elem) &&                                  \
2766              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
2767                 (int)sizeof(*_elem) + _elem->datalen;                   \
2768              _elem = (const struct element *)(_elem->data + _elem->datalen))
2769
2770 #define for_each_element_id(element, _id, data, datalen)                \
2771         for_each_element(element, data, datalen)                        \
2772                 if (element->id == (_id))
2773
2774 #define for_each_element_extid(element, extid, data, datalen)           \
2775         for_each_element(element, data, datalen)                        \
2776                 if (element->id == WLAN_EID_EXTENSION &&                \
2777                     element->datalen > 0 &&                             \
2778                     element->data[0] == (extid))
2779
2780 #define for_each_subelement(sub, element)                               \
2781         for_each_element(sub, (element)->data, (element)->datalen)
2782
2783 #define for_each_subelement_id(sub, id, element)                        \
2784         for_each_element_id(sub, id, (element)->data, (element)->datalen)
2785
2786 #define for_each_subelement_extid(sub, extid, element)                  \
2787         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
2788
2789 /**
2790  * for_each_element_completed - determine if element parsing consumed all data
2791  * @element: element pointer after for_each_element() or friends
2792  * @data: same data pointer as passed to for_each_element() or friends
2793  * @datalen: same data length as passed to for_each_element() or friends
2794  *
2795  * This function returns %true if all the data was parsed or considered
2796  * while walking the elements. Only use this if your for_each_element()
2797  * loop cannot be broken out of, otherwise it always returns %false.
2798  *
2799  * If some data was malformed, this returns %false since the last parsed
2800  * element will not fill the whole remaining data.
2801  */
2802 static inline bool for_each_element_completed(const struct element *element,
2803                                               const void *data, size_t datalen)
2804 {
2805         return (const u8 *)element == (const u8 *)data + datalen;
2806 }
2807
2808 #endif /* LINUX_IEEE80211_H */