include/linux/ieee80211.h

   1 /*
   2  * IEEE 802.11 defines
   3  *
   4  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   5  * <[email protected]>
   6  * Copyright (c) 2002-2003, Jouni Malinen <[email protected]>
   7  * Copyright (c) 2005, Devicescape Software, Inc.
   8  * Copyright (c) 2006, Michael Wu <[email protected]>
   9  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  10  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  11  * Copyright (c) 2018 - 2019 Intel Corporation
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17
  18 #ifndef LINUX_IEEE80211_H
  19 #define LINUX_IEEE80211_H
  20
  21 #include <linux/types.h>
  22 #include <linux/if_ether.h>
  23 #include <linux/etherdevice.h>
  24 #include <asm/byteorder.h>
  25 #include <asm/unaligned.h>
  26
  27 /*
  28  * DS bit usage
  29  *
  30  * TA = transmitter address
  31  * RA = receiver address
  32  * DA = destination address
  33  * SA = source address
  34  *
  35  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  36  * -----------------------------------------------------------------
  37  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  38  *  0       1       DA      BSSID   SA      -       AP -> STA
  39  *  1       0       BSSID   SA      DA      -       AP <- STA
  40  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  41  */
  42
  43 #define FCS_LEN 4
  44
  45 #define IEEE80211_FCTL_VERS             0x0003
  46 #define IEEE80211_FCTL_FTYPE            0x000c
  47 #define IEEE80211_FCTL_STYPE            0x00f0
  48 #define IEEE80211_FCTL_TODS             0x0100
  49 #define IEEE80211_FCTL_FROMDS           0x0200
  50 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  51 #define IEEE80211_FCTL_RETRY            0x0800
  52 #define IEEE80211_FCTL_PM               0x1000
  53 #define IEEE80211_FCTL_MOREDATA         0x2000
  54 #define IEEE80211_FCTL_PROTECTED        0x4000
  55 #define IEEE80211_FCTL_ORDER            0x8000
  56 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  57
  58 #define IEEE80211_SCTL_FRAG             0x000F
  59 #define IEEE80211_SCTL_SEQ              0xFFF0
  60
  61 #define IEEE80211_FTYPE_MGMT            0x0000
  62 #define IEEE80211_FTYPE_CTL             0x0004
  63 #define IEEE80211_FTYPE_DATA            0x0008
  64 #define IEEE80211_FTYPE_EXT             0x000c
  65
  66 /* management */
  67 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  68 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  69 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  70 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  71 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  72 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  73 #define IEEE80211_STYPE_BEACON          0x0080
  74 #define IEEE80211_STYPE_ATIM            0x0090
  75 #define IEEE80211_STYPE_DISASSOC        0x00A0
  76 #define IEEE80211_STYPE_AUTH            0x00B0
  77 #define IEEE80211_STYPE_DEAUTH          0x00C0
  78 #define IEEE80211_STYPE_ACTION          0x00D0
  79
  80 /* control */
  81 #define IEEE80211_STYPE_CTL_EXT         0x0060
  82 #define IEEE80211_STYPE_BACK_REQ        0x0080
  83 #define IEEE80211_STYPE_BACK            0x0090
  84 #define IEEE80211_STYPE_PSPOLL          0x00A0
  85 #define IEEE80211_STYPE_RTS             0x00B0
  86 #define IEEE80211_STYPE_CTS             0x00C0
  87 #define IEEE80211_STYPE_ACK             0x00D0
  88 #define IEEE80211_STYPE_CFEND           0x00E0
  89 #define IEEE80211_STYPE_CFENDACK        0x00F0
  90
  91 /* data */
  92 #define IEEE80211_STYPE_DATA                    0x0000
  93 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  94 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  95 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  96 #define IEEE80211_STYPE_NULLFUNC                0x0040
  97 #define IEEE80211_STYPE_CFACK                   0x0050
  98 #define IEEE80211_STYPE_CFPOLL                  0x0060
  99 #define IEEE80211_STYPE_CFACKPOLL               0x0070
 100 #define IEEE80211_STYPE_QOS_DATA                0x0080
 101 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 102 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 103 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 104 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 105 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 106 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 107 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 108
 109 /* extension, added by 802.11ad */
 110 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 111
 112 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 113 #define IEEE80211_CTL_EXT_POLL          0x2000
 114 #define IEEE80211_CTL_EXT_SPR           0x3000
 115 #define IEEE80211_CTL_EXT_GRANT 0x4000
 116 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 117 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 118 #define IEEE80211_CTL_EXT_SSW           0x8000
 119 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 120 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 121
 122
 123 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 124 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 125 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 126
 127 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 128 {
 129         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 130 }
 131
 132 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 133 {
 134         return (sn1 + sn2) & IEEE80211_SN_MASK;
 135 }
 136
 137 static inline u16 ieee80211_sn_inc(u16 sn)
 138 {
 139         return ieee80211_sn_add(sn, 1);
 140 }
 141
 142 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 143 {
 144         return (sn1 - sn2) & IEEE80211_SN_MASK;
 145 }
 146
 147 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 148 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 149
 150 /* miscellaneous IEEE 802.11 constants */
 151 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 152 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 153 #define IEEE80211_MAX_AID               2007
 154 #define IEEE80211_MAX_TIM_LEN           251
 155 #define IEEE80211_MAX_MESH_PEERINGS     63
 156 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 157    6.2.1.1.2.
 158
 159    802.11e clarifies the figure in section 7.1.2. The frame body is
 160    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 161 #define IEEE80211_MAX_DATA_LEN          2304
 162 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 163  * to 7920 bytes, see 8.2.3 General frame format
 164  */
 165 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 166 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 167 #define IEEE80211_MAX_FRAME_LEN         2352
 168
 169 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 170 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 171
 172 /* Maximal size of an A-MSDU */
 173 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 174 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 175
 176 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 177 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 178 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 179
 180 #define IEEE80211_MAX_SSID_LEN          32
 181
 182 #define IEEE80211_MAX_MESH_ID_LEN       32
 183
 184 #define IEEE80211_FIRST_TSPEC_TSID      8
 185 #define IEEE80211_NUM_TIDS              16
 186
 187 /* number of user priorities 802.11 uses */
 188 #define IEEE80211_NUM_UPS               8
 189 /* number of ACs */
 190 #define IEEE80211_NUM_ACS               4
 191
 192 #define IEEE80211_QOS_CTL_LEN           2
 193 /* 1d tag mask */
 194 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 195 /* TID mask */
 196 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 197 /* EOSP */
 198 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 199 /* ACK policy */
 200 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 201 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 202 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 203 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 204 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 205 /* A-MSDU 802.11n */
 206 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 207 /* Mesh Control 802.11s */
 208 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 209
 210 /* Mesh Power Save Level */
 211 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 212 /* Mesh Receiver Service Period Initiated */
 213 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 214
 215 /* U-APSD queue for WMM IEs sent by AP */
 216 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 217 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 218
 219 /* U-APSD queues for WMM IEs sent by STA */
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 223 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 224 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 225
 226 /* U-APSD max SP length for WMM IEs sent by STA */
 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 230 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 231 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 232 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 233
 234 #define IEEE80211_HT_CTL_LEN            4
 235
 236 struct ieee80211_hdr {
 237         __le16 frame_control;
 238         __le16 duration_id;
 239         u8 addr1[ETH_ALEN];
 240         u8 addr2[ETH_ALEN];
 241         u8 addr3[ETH_ALEN];
 242         __le16 seq_ctrl;
 243         u8 addr4[ETH_ALEN];
 244 } __packed __aligned(2);
 245
 246 struct ieee80211_hdr_3addr {
 247         __le16 frame_control;
 248         __le16 duration_id;
 249         u8 addr1[ETH_ALEN];
 250         u8 addr2[ETH_ALEN];
 251         u8 addr3[ETH_ALEN];
 252         __le16 seq_ctrl;
 253 } __packed __aligned(2);
 254
 255 struct ieee80211_qos_hdr {
 256         __le16 frame_control;
 257         __le16 duration_id;
 258         u8 addr1[ETH_ALEN];
 259         u8 addr2[ETH_ALEN];
 260         u8 addr3[ETH_ALEN];
 261         __le16 seq_ctrl;
 262         __le16 qos_ctrl;
 263 } __packed __aligned(2);
 264
 265 /**
 266  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 267  * @fc: frame control bytes in little-endian byteorder
 268  */
 269 static inline bool ieee80211_has_tods(__le16 fc)
 270 {
 271         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 272 }
 273
 274 /**
 275  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 276  * @fc: frame control bytes in little-endian byteorder
 277  */
 278 static inline bool ieee80211_has_fromds(__le16 fc)
 279 {
 280         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 281 }
 282
 283 /**
 284  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 285  * @fc: frame control bytes in little-endian byteorder
 286  */
 287 static inline bool ieee80211_has_a4(__le16 fc)
 288 {
 289         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 290         return (fc & tmp) == tmp;
 291 }
 292
 293 /**
 294  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 295  * @fc: frame control bytes in little-endian byteorder
 296  */
 297 static inline bool ieee80211_has_morefrags(__le16 fc)
 298 {
 299         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 300 }
 301
 302 /**
 303  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 304  * @fc: frame control bytes in little-endian byteorder
 305  */
 306 static inline bool ieee80211_has_retry(__le16 fc)
 307 {
 308         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 309 }
 310
 311 /**
 312  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 313  * @fc: frame control bytes in little-endian byteorder
 314  */
 315 static inline bool ieee80211_has_pm(__le16 fc)
 316 {
 317         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 318 }
 319
 320 /**
 321  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 322  * @fc: frame control bytes in little-endian byteorder
 323  */
 324 static inline bool ieee80211_has_moredata(__le16 fc)
 325 {
 326         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 327 }
 328
 329 /**
 330  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 331  * @fc: frame control bytes in little-endian byteorder
 332  */
 333 static inline bool ieee80211_has_protected(__le16 fc)
 334 {
 335         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 336 }
 337
 338 /**
 339  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 340  * @fc: frame control bytes in little-endian byteorder
 341  */
 342 static inline bool ieee80211_has_order(__le16 fc)
 343 {
 344         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 345 }
 346
 347 /**
 348  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 349  * @fc: frame control bytes in little-endian byteorder
 350  */
 351 static inline bool ieee80211_is_mgmt(__le16 fc)
 352 {
 353         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 354                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 355 }
 356
 357 /**
 358  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 359  * @fc: frame control bytes in little-endian byteorder
 360  */
 361 static inline bool ieee80211_is_ctl(__le16 fc)
 362 {
 363         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 364                cpu_to_le16(IEEE80211_FTYPE_CTL);
 365 }
 366
 367 /**
 368  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 369  * @fc: frame control bytes in little-endian byteorder
 370  */
 371 static inline bool ieee80211_is_data(__le16 fc)
 372 {
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 374                cpu_to_le16(IEEE80211_FTYPE_DATA);
 375 }
 376
 377 /**
 378  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_is_data_qos(__le16 fc)
 382 {
 383         /*
 384          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 385          * to check the one bit
 386          */
 387         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 388                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 389 }
 390
 391 /**
 392  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_is_data_present(__le16 fc)
 396 {
 397         /*
 398          * mask with 0x40 and test that that bit is clear to only return true
 399          * for the data-containing substypes.
 400          */
 401         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 402                cpu_to_le16(IEEE80211_FTYPE_DATA);
 403 }
 404
 405 /**
 406  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 407  * @fc: frame control bytes in little-endian byteorder
 408  */
 409 static inline bool ieee80211_is_assoc_req(__le16 fc)
 410 {
 411         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 412                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 413 }
 414
 415 /**
 416  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 417  * @fc: frame control bytes in little-endian byteorder
 418  */
 419 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 420 {
 421         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 422                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 423 }
 424
 425 /**
 426  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 427  * @fc: frame control bytes in little-endian byteorder
 428  */
 429 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 430 {
 431         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 432                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 433 }
 434
 435 /**
 436  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 437  * @fc: frame control bytes in little-endian byteorder
 438  */
 439 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 440 {
 441         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 442                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 443 }
 444
 445 /**
 446  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 447  * @fc: frame control bytes in little-endian byteorder
 448  */
 449 static inline bool ieee80211_is_probe_req(__le16 fc)
 450 {
 451         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 452                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 453 }
 454
 455 /**
 456  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 457  * @fc: frame control bytes in little-endian byteorder
 458  */
 459 static inline bool ieee80211_is_probe_resp(__le16 fc)
 460 {
 461         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 462                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 463 }
 464
 465 /**
 466  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 467  * @fc: frame control bytes in little-endian byteorder
 468  */
 469 static inline bool ieee80211_is_beacon(__le16 fc)
 470 {
 471         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 472                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 473 }
 474
 475 /**
 476  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 477  * @fc: frame control bytes in little-endian byteorder
 478  */
 479 static inline bool ieee80211_is_atim(__le16 fc)
 480 {
 481         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 482                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 483 }
 484
 485 /**
 486  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 487  * @fc: frame control bytes in little-endian byteorder
 488  */
 489 static inline bool ieee80211_is_disassoc(__le16 fc)
 490 {
 491         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 492                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 493 }
 494
 495 /**
 496  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 497  * @fc: frame control bytes in little-endian byteorder
 498  */
 499 static inline bool ieee80211_is_auth(__le16 fc)
 500 {
 501         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 502                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 503 }
 504
 505 /**
 506  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 507  * @fc: frame control bytes in little-endian byteorder
 508  */
 509 static inline bool ieee80211_is_deauth(__le16 fc)
 510 {
 511         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 512                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 513 }
 514
 515 /**
 516  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 517  * @fc: frame control bytes in little-endian byteorder
 518  */
 519 static inline bool ieee80211_is_action(__le16 fc)
 520 {
 521         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 522                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 523 }
 524
 525 /**
 526  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 527  * @fc: frame control bytes in little-endian byteorder
 528  */
 529 static inline bool ieee80211_is_back_req(__le16 fc)
 530 {
 531         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 532                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 533 }
 534
 535 /**
 536  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 537  * @fc: frame control bytes in little-endian byteorder
 538  */
 539 static inline bool ieee80211_is_back(__le16 fc)
 540 {
 541         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 542                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 543 }
 544
 545 /**
 546  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 547  * @fc: frame control bytes in little-endian byteorder
 548  */
 549 static inline bool ieee80211_is_pspoll(__le16 fc)
 550 {
 551         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 552                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 553 }
 554
 555 /**
 556  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 557  * @fc: frame control bytes in little-endian byteorder
 558  */
 559 static inline bool ieee80211_is_rts(__le16 fc)
 560 {
 561         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 562                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 563 }
 564
 565 /**
 566  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 567  * @fc: frame control bytes in little-endian byteorder
 568  */
 569 static inline bool ieee80211_is_cts(__le16 fc)
 570 {
 571         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 572                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 573 }
 574
 575 /**
 576  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 577  * @fc: frame control bytes in little-endian byteorder
 578  */
 579 static inline bool ieee80211_is_ack(__le16 fc)
 580 {
 581         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 582                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 583 }
 584
 585 /**
 586  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 587  * @fc: frame control bytes in little-endian byteorder
 588  */
 589 static inline bool ieee80211_is_cfend(__le16 fc)
 590 {
 591         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 592                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 593 }
 594
 595 /**
 596  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 597  * @fc: frame control bytes in little-endian byteorder
 598  */
 599 static inline bool ieee80211_is_cfendack(__le16 fc)
 600 {
 601         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 602                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 603 }
 604
 605 /**
 606  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 607  * @fc: frame control bytes in little-endian byteorder
 608  */
 609 static inline bool ieee80211_is_nullfunc(__le16 fc)
 610 {
 611         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 612                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 613 }
 614
 615 /**
 616  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 617  * @fc: frame control bytes in little-endian byteorder
 618  */
 619 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 620 {
 621         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 622                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 623 }
 624
 625 /**
 626  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 627  * @fc: frame control field in little-endian byteorder
 628  */
 629 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 630 {
 631         /* IEEE 802.11-2012, definition of "bufferable management frame";
 632          * note that this ignores the IBSS special case. */
 633         return ieee80211_is_mgmt(fc) &&
 634                (ieee80211_is_action(fc) ||
 635                 ieee80211_is_disassoc(fc) ||
 636                 ieee80211_is_deauth(fc));
 637 }
 638
 639 /**
 640  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 641  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 642  */
 643 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 644 {
 645         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 646 }
 647
 648 /**
 649  * ieee80211_is_frag - check if a frame is a fragment
 650  * @hdr: 802.11 header of the frame
 651  */
 652 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 653 {
 654         return ieee80211_has_morefrags(hdr->frame_control) ||
 655                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 656 }
 657
 658 struct ieee80211s_hdr {
 659         u8 flags;
 660         u8 ttl;
 661         __le32 seqnum;
 662         u8 eaddr1[ETH_ALEN];
 663         u8 eaddr2[ETH_ALEN];
 664 } __packed __aligned(2);
 665
 666 /* Mesh flags */
 667 #define MESH_FLAGS_AE_A4        0x1
 668 #define MESH_FLAGS_AE_A5_A6     0x2
 669 #define MESH_FLAGS_AE           0x3
 670 #define MESH_FLAGS_PS_DEEP      0x4
 671
 672 /**
 673  * enum ieee80211_preq_flags - mesh PREQ element flags
 674  *
 675  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 676  */
 677 enum ieee80211_preq_flags {
 678         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 679 };
 680
 681 /**
 682  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 683  *
 684  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 685  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 686  */
 687 enum ieee80211_preq_target_flags {
 688         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 689         IEEE80211_PREQ_USN_FLAG = 1<<2,
 690 };
 691
 692 /**
 693  * struct ieee80211_quiet_ie
 694  *
 695  * This structure refers to "Quiet information element"
 696  */
 697 struct ieee80211_quiet_ie {
 698         u8 count;
 699         u8 period;
 700         __le16 duration;
 701         __le16 offset;
 702 } __packed;
 703
 704 /**
 705  * struct ieee80211_msrment_ie
 706  *
 707  * This structure refers to "Measurement Request/Report information element"
 708  */
 709 struct ieee80211_msrment_ie {
 710         u8 token;
 711         u8 mode;
 712         u8 type;
 713         u8 request[0];
 714 } __packed;
 715
 716 /**
 717  * struct ieee80211_channel_sw_ie
 718  *
 719  * This structure refers to "Channel Switch Announcement information element"
 720  */
 721 struct ieee80211_channel_sw_ie {
 722         u8 mode;
 723         u8 new_ch_num;
 724         u8 count;
 725 } __packed;
 726
 727 /**
 728  * struct ieee80211_ext_chansw_ie
 729  *
 730  * This structure represents the "Extended Channel Switch Announcement element"
 731  */
 732 struct ieee80211_ext_chansw_ie {
 733         u8 mode;
 734         u8 new_operating_class;
 735         u8 new_ch_num;
 736         u8 count;
 737 } __packed;
 738
 739 /**
 740  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 741  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 742  *      values here
 743  * This structure represents the "Secondary Channel Offset element"
 744  */
 745 struct ieee80211_sec_chan_offs_ie {
 746         u8 sec_chan_offs;
 747 } __packed;
 748
 749 /**
 750  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 751  *
 752  * This structure represents the "Mesh Channel Switch Paramters element"
 753  */
 754 struct ieee80211_mesh_chansw_params_ie {
 755         u8 mesh_ttl;
 756         u8 mesh_flags;
 757         __le16 mesh_reason;
 758         __le16 mesh_pre_value;
 759 } __packed;
 760
 761 /**
 762  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 763  */
 764 struct ieee80211_wide_bw_chansw_ie {
 765         u8 new_channel_width;
 766         u8 new_center_freq_seg0, new_center_freq_seg1;
 767 } __packed;
 768
 769 /**
 770  * struct ieee80211_tim
 771  *
 772  * This structure refers to "Traffic Indication Map information element"
 773  */
 774 struct ieee80211_tim_ie {
 775         u8 dtim_count;
 776         u8 dtim_period;
 777         u8 bitmap_ctrl;
 778         /* variable size: 1 - 251 bytes */
 779         u8 virtual_map[1];
 780 } __packed;
 781
 782 /**
 783  * struct ieee80211_meshconf_ie
 784  *
 785  * This structure refers to "Mesh Configuration information element"
 786  */
 787 struct ieee80211_meshconf_ie {
 788         u8 meshconf_psel;
 789         u8 meshconf_pmetric;
 790         u8 meshconf_congest;
 791         u8 meshconf_synch;
 792         u8 meshconf_auth;
 793         u8 meshconf_form;
 794         u8 meshconf_cap;
 795 } __packed;
 796
 797 /**
 798  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 799  *
 800  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 801  *      additional mesh peerings with other mesh STAs
 802  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 803  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 804  *      is ongoing
 805  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 806  *      neighbors in deep sleep mode
 807  */
 808 enum mesh_config_capab_flags {
 809         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 810         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 811         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 812         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 813 };
 814
 815 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 816
 817 /**
 818  * mesh channel switch parameters element's flag indicator
 819  *
 820  */
 821 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 822 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 823 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 824
 825 /**
 826  * struct ieee80211_rann_ie
 827  *
 828  * This structure refers to "Root Announcement information element"
 829  */
 830 struct ieee80211_rann_ie {
 831         u8 rann_flags;
 832         u8 rann_hopcount;
 833         u8 rann_ttl;
 834         u8 rann_addr[ETH_ALEN];
 835         __le32 rann_seq;
 836         __le32 rann_interval;
 837         __le32 rann_metric;
 838 } __packed;
 839
 840 enum ieee80211_rann_flags {
 841         RANN_FLAG_IS_GATE = 1 << 0,
 842 };
 843
 844 enum ieee80211_ht_chanwidth_values {
 845         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 846         IEEE80211_HT_CHANWIDTH_ANY = 1,
 847 };
 848
 849 /**
 850  * enum ieee80211_opmode_bits - VHT operating mode field bits
 851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 853  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 854  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 855  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 856  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 857  *      (the NSS value is the value of this field + 1)
 858  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 859  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 860  *      using a beamforming steering matrix
 861  */
 862 enum ieee80211_vht_opmode_bits {
 863         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 864         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 865         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 866         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 867         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 868         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 869         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 870         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 871 };
 872
 873 #define WLAN_SA_QUERY_TR_ID_LEN 2
 874 #define WLAN_MEMBERSHIP_LEN 8
 875 #define WLAN_USER_POSITION_LEN 16
 876
 877 /**
 878  * struct ieee80211_tpc_report_ie
 879  *
 880  * This structure refers to "TPC Report element"
 881  */
 882 struct ieee80211_tpc_report_ie {
 883         u8 tx_power;
 884         u8 link_margin;
 885 } __packed;
 886
 887 struct ieee80211_mgmt {
 888         __le16 frame_control;
 889         __le16 duration;
 890         u8 da[ETH_ALEN];
 891         u8 sa[ETH_ALEN];
 892         u8 bssid[ETH_ALEN];
 893         __le16 seq_ctrl;
 894         union {
 895                 struct {
 896                         __le16 auth_alg;
 897                         __le16 auth_transaction;
 898                         __le16 status_code;
 899                         /* possibly followed by Challenge text */
 900                         u8 variable[0];
 901                 } __packed auth;
 902                 struct {
 903                         __le16 reason_code;
 904                 } __packed deauth;
 905                 struct {
 906                         __le16 capab_info;
 907                         __le16 listen_interval;
 908                         /* followed by SSID and Supported rates */
 909                         u8 variable[0];
 910                 } __packed assoc_req;
 911                 struct {
 912                         __le16 capab_info;
 913                         __le16 status_code;
 914                         __le16 aid;
 915                         /* followed by Supported rates */
 916                         u8 variable[0];
 917                 } __packed assoc_resp, reassoc_resp;
 918                 struct {
 919                         __le16 capab_info;
 920                         __le16 listen_interval;
 921                         u8 current_ap[ETH_ALEN];
 922                         /* followed by SSID and Supported rates */
 923                         u8 variable[0];
 924                 } __packed reassoc_req;
 925                 struct {
 926                         __le16 reason_code;
 927                 } __packed disassoc;
 928                 struct {
 929                         __le64 timestamp;
 930                         __le16 beacon_int;
 931                         __le16 capab_info;
 932                         /* followed by some of SSID, Supported rates,
 933                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 934                         u8 variable[0];
 935                 } __packed beacon;
 936                 struct {
 937                         /* only variable items: SSID, Supported rates */
 938                         u8 variable[0];
 939                 } __packed probe_req;
 940                 struct {
 941                         __le64 timestamp;
 942                         __le16 beacon_int;
 943                         __le16 capab_info;
 944                         /* followed by some of SSID, Supported rates,
 945                          * FH Params, DS Params, CF Params, IBSS Params */
 946                         u8 variable[0];
 947                 } __packed probe_resp;
 948                 struct {
 949                         u8 category;
 950                         union {
 951                                 struct {
 952                                         u8 action_code;
 953                                         u8 dialog_token;
 954                                         u8 status_code;
 955                                         u8 variable[0];
 956                                 } __packed wme_action;
 957                                 struct{
 958                                         u8 action_code;
 959                                         u8 variable[0];
 960                                 } __packed chan_switch;
 961                                 struct{
 962                                         u8 action_code;
 963                                         struct ieee80211_ext_chansw_ie data;
 964                                         u8 variable[0];
 965                                 } __packed ext_chan_switch;
 966                                 struct{
 967                                         u8 action_code;
 968                                         u8 dialog_token;
 969                                         u8 element_id;
 970                                         u8 length;
 971                                         struct ieee80211_msrment_ie msr_elem;
 972                                 } __packed measurement;
 973                                 struct{
 974                                         u8 action_code;
 975                                         u8 dialog_token;
 976                                         __le16 capab;
 977                                         __le16 timeout;
 978                                         __le16 start_seq_num;
 979                                 } __packed addba_req;
 980                                 struct{
 981                                         u8 action_code;
 982                                         u8 dialog_token;
 983                                         __le16 status;
 984                                         __le16 capab;
 985                                         __le16 timeout;
 986                                 } __packed addba_resp;
 987                                 struct{
 988                                         u8 action_code;
 989                                         __le16 params;
 990                                         __le16 reason_code;
 991                                 } __packed delba;
 992                                 struct {
 993                                         u8 action_code;
 994                                         u8 variable[0];
 995                                 } __packed self_prot;
 996                                 struct{
 997                                         u8 action_code;
 998                                         u8 variable[0];
 999                                 } __packed mesh_action;
1000                                 struct {
1001                                         u8 action;
1002                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1003                                 } __packed sa_query;
1004                                 struct {
1005                                         u8 action;
1006                                         u8 smps_control;
1007                                 } __packed ht_smps;
1008                                 struct {
1009                                         u8 action_code;
1010                                         u8 chanwidth;
1011                                 } __packed ht_notify_cw;
1012                                 struct {
1013                                         u8 action_code;
1014                                         u8 dialog_token;
1015                                         __le16 capability;
1016                                         u8 variable[0];
1017                                 } __packed tdls_discover_resp;
1018                                 struct {
1019                                         u8 action_code;
1020                                         u8 operating_mode;
1021                                 } __packed vht_opmode_notif;
1022                                 struct {
1023                                         u8 action_code;
1024                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1025                                         u8 position[WLAN_USER_POSITION_LEN];
1026                                 } __packed vht_group_notif;
1027                                 struct {
1028                                         u8 action_code;
1029                                         u8 dialog_token;
1030                                         u8 tpc_elem_id;
1031                                         u8 tpc_elem_length;
1032                                         struct ieee80211_tpc_report_ie tpc;
1033                                 } __packed tpc_report;
1034                                 struct {
1035                                         u8 action_code;
1036                                         u8 dialog_token;
1037                                         u8 follow_up;
1038                                         u8 tod[6];
1039                                         u8 toa[6];
1040                                         __le16 tod_error;
1041                                         __le16 toa_error;
1042                                         u8 variable[0];
1043                                 } __packed ftm;
1044                         } u;
1045                 } __packed action;
1046         } u;
1047 } __packed __aligned(2);
1048
1049 /* Supported rates membership selectors */
1050 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1051 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1052
1053 /* mgmt header + 1 byte category code */
1054 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1055
1056
1057 /* Management MIC information element (IEEE 802.11w) */
1058 struct ieee80211_mmie {
1059         u8 element_id;
1060         u8 length;
1061         __le16 key_id;
1062         u8 sequence_number[6];
1063         u8 mic[8];
1064 } __packed;
1065
1066 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1067 struct ieee80211_mmie_16 {
1068         u8 element_id;
1069         u8 length;
1070         __le16 key_id;
1071         u8 sequence_number[6];
1072         u8 mic[16];
1073 } __packed;
1074
1075 struct ieee80211_vendor_ie {
1076         u8 element_id;
1077         u8 len;
1078         u8 oui[3];
1079         u8 oui_type;
1080 } __packed;
1081
1082 struct ieee80211_wmm_ac_param {
1083         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1084         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1085         __le16 txop_limit;
1086 } __packed;
1087
1088 struct ieee80211_wmm_param_ie {
1089         u8 element_id; /* Element ID: 221 (0xdd); */
1090         u8 len; /* Length: 24 */
1091         /* required fields for WMM version 1 */
1092         u8 oui[3]; /* 00:50:f2 */
1093         u8 oui_type; /* 2 */
1094         u8 oui_subtype; /* 1 */
1095         u8 version; /* 1 for WMM version 1.0 */
1096         u8 qos_info; /* AP/STA specific QoS info */
1097         u8 reserved; /* 0 */
1098         /* AC_BE, AC_BK, AC_VI, AC_VO */
1099         struct ieee80211_wmm_ac_param ac[4];
1100 } __packed;
1101
1102 /* Control frames */
1103 struct ieee80211_rts {
1104         __le16 frame_control;
1105         __le16 duration;
1106         u8 ra[ETH_ALEN];
1107         u8 ta[ETH_ALEN];
1108 } __packed __aligned(2);
1109
1110 struct ieee80211_cts {
1111         __le16 frame_control;
1112         __le16 duration;
1113         u8 ra[ETH_ALEN];
1114 } __packed __aligned(2);
1115
1116 struct ieee80211_pspoll {
1117         __le16 frame_control;
1118         __le16 aid;
1119         u8 bssid[ETH_ALEN];
1120         u8 ta[ETH_ALEN];
1121 } __packed __aligned(2);
1122
1123 /* TDLS */
1124
1125 /* Channel switch timing */
1126 struct ieee80211_ch_switch_timing {
1127         __le16 switch_time;
1128         __le16 switch_timeout;
1129 } __packed;
1130
1131 /* Link-id information element */
1132 struct ieee80211_tdls_lnkie {
1133         u8 ie_type; /* Link Identifier IE */
1134         u8 ie_len;
1135         u8 bssid[ETH_ALEN];
1136         u8 init_sta[ETH_ALEN];
1137         u8 resp_sta[ETH_ALEN];
1138 } __packed;
1139
1140 struct ieee80211_tdls_data {
1141         u8 da[ETH_ALEN];
1142         u8 sa[ETH_ALEN];
1143         __be16 ether_type;
1144         u8 payload_type;
1145         u8 category;
1146         u8 action_code;
1147         union {
1148                 struct {
1149                         u8 dialog_token;
1150                         __le16 capability;
1151                         u8 variable[0];
1152                 } __packed setup_req;
1153                 struct {
1154                         __le16 status_code;
1155                         u8 dialog_token;
1156                         __le16 capability;
1157                         u8 variable[0];
1158                 } __packed setup_resp;
1159                 struct {
1160                         __le16 status_code;
1161                         u8 dialog_token;
1162                         u8 variable[0];
1163                 } __packed setup_cfm;
1164                 struct {
1165                         __le16 reason_code;
1166                         u8 variable[0];
1167                 } __packed teardown;
1168                 struct {
1169                         u8 dialog_token;
1170                         u8 variable[0];
1171                 } __packed discover_req;
1172                 struct {
1173                         u8 target_channel;
1174                         u8 oper_class;
1175                         u8 variable[0];
1176                 } __packed chan_switch_req;
1177                 struct {
1178                         __le16 status_code;
1179                         u8 variable[0];
1180                 } __packed chan_switch_resp;
1181         } u;
1182 } __packed;
1183
1184 /*
1185  * Peer-to-Peer IE attribute related definitions.
1186  */
1187 /**
1188  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1189  */
1190 enum ieee80211_p2p_attr_id {
1191         IEEE80211_P2P_ATTR_STATUS = 0,
1192         IEEE80211_P2P_ATTR_MINOR_REASON,
1193         IEEE80211_P2P_ATTR_CAPABILITY,
1194         IEEE80211_P2P_ATTR_DEVICE_ID,
1195         IEEE80211_P2P_ATTR_GO_INTENT,
1196         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1197         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1198         IEEE80211_P2P_ATTR_GROUP_BSSID,
1199         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1200         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1201         IEEE80211_P2P_ATTR_MANAGABILITY,
1202         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1203         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1204         IEEE80211_P2P_ATTR_DEVICE_INFO,
1205         IEEE80211_P2P_ATTR_GROUP_INFO,
1206         IEEE80211_P2P_ATTR_GROUP_ID,
1207         IEEE80211_P2P_ATTR_INTERFACE,
1208         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1209         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1210         /* 19 - 220: Reserved */
1211         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1212
1213         IEEE80211_P2P_ATTR_MAX
1214 };
1215
1216 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1217 /* Typical max value used here */
1218 #define IEEE80211_P2P_NOA_DESC_MAX      4
1219
1220 struct ieee80211_p2p_noa_desc {
1221         u8 count;
1222         __le32 duration;
1223         __le32 interval;
1224         __le32 start_time;
1225 } __packed;
1226
1227 struct ieee80211_p2p_noa_attr {
1228         u8 index;
1229         u8 oppps_ctwindow;
1230         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1231 } __packed;
1232
1233 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1234 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1235
1236 /**
1237  * struct ieee80211_bar - HT Block Ack Request
1238  *
1239  * This structure refers to "HT BlockAckReq" as
1240  * described in 802.11n draft section 7.2.1.7.1
1241  */
1242 struct ieee80211_bar {
1243         __le16 frame_control;
1244         __le16 duration;
1245         __u8 ra[ETH_ALEN];
1246         __u8 ta[ETH_ALEN];
1247         __le16 control;
1248         __le16 start_seq_num;
1249 } __packed;
1250
1251 /* 802.11 BAR control masks */
1252 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1253 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1254 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1255 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1256 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1257
1258 #define IEEE80211_HT_MCS_MASK_LEN               10
1259
1260 /**
1261  * struct ieee80211_mcs_info - MCS information
1262  * @rx_mask: RX mask
1263  * @rx_highest: highest supported RX rate. If set represents
1264  *      the highest supported RX data rate in units of 1 Mbps.
1265  *      If this field is 0 this value should not be used to
1266  *      consider the highest RX data rate supported.
1267  * @tx_params: TX parameters
1268  */
1269 struct ieee80211_mcs_info {
1270         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1271         __le16 rx_highest;
1272         u8 tx_params;
1273         u8 reserved[3];
1274 } __packed;
1275
1276 /* 802.11n HT capability MSC set */
1277 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1278 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1279 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1280 /* value 0 == 1 stream etc */
1281 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1282 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1283 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1284 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1285
1286 /*
1287  * 802.11n D5.0 20.3.5 / 20.6 says:
1288  * - indices 0 to 7 and 32 are single spatial stream
1289  * - 8 to 31 are multiple spatial streams using equal modulation
1290  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1291  * - remainder are multiple spatial streams using unequal modulation
1292  */
1293 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1294 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1295         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1296
1297 /**
1298  * struct ieee80211_ht_cap - HT capabilities
1299  *
1300  * This structure is the "HT capabilities element" as
1301  * described in 802.11n D5.0 7.3.2.57
1302  */
1303 struct ieee80211_ht_cap {
1304         __le16 cap_info;
1305         u8 ampdu_params_info;
1306
1307         /* 16 bytes MCS information */
1308         struct ieee80211_mcs_info mcs;
1309
1310         __le16 extended_ht_cap_info;
1311         __le32 tx_BF_cap_info;
1312         u8 antenna_selection_info;
1313 } __packed;
1314
1315 /* 802.11n HT capabilities masks (for cap_info) */
1316 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1317 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1318 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1319 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1320 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1321 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1322 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1323 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1324 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1325 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1326 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1327 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1328 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1329 #define IEEE80211_HT_CAP_RESERVED               0x2000
1330 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1331 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1332
1333 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1334 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1335 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1336 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1337 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1338 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1339 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1340 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1341
1342 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1343 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1344 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1345 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1346
1347 /*
1348  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1349  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1350  */
1351 enum ieee80211_max_ampdu_length_exp {
1352         IEEE80211_HT_MAX_AMPDU_8K = 0,
1353         IEEE80211_HT_MAX_AMPDU_16K = 1,
1354         IEEE80211_HT_MAX_AMPDU_32K = 2,
1355         IEEE80211_HT_MAX_AMPDU_64K = 3
1356 };
1357
1358 /*
1359  * Maximum length of AMPDU that the STA can receive in VHT.
1360  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1361  */
1362 enum ieee80211_vht_max_ampdu_length_exp {
1363         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1364         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1365         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1366         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1367         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1368         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1369         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1370         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1371 };
1372
1373 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1374
1375 /* Minimum MPDU start spacing */
1376 enum ieee80211_min_mpdu_spacing {
1377         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1378         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1379         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1380         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1381         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1382         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1383         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1384         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1385 };
1386
1387 /**
1388  * struct ieee80211_ht_operation - HT operation IE
1389  *
1390  * This structure is the "HT operation element" as
1391  * described in 802.11n-2009 7.3.2.57
1392  */
1393 struct ieee80211_ht_operation {
1394         u8 primary_chan;
1395         u8 ht_param;
1396         __le16 operation_mode;
1397         __le16 stbc_param;
1398         u8 basic_set[16];
1399 } __packed;
1400
1401 /* for ht_param */
1402 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1403 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1404 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1405 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1406 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1407 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1408
1409 /* for operation_mode */
1410 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1411 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1412 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1413 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1414 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1415 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1416 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1417 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1418 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1419
1420 /* for stbc_param */
1421 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1422 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1423 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1424 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1425 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1426 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1427
1428
1429 /* block-ack parameters */
1430 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1431 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1432 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1433 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1434 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1435 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1436
1437 /*
1438  * A-MPDU buffer sizes
1439  * According to HT size varies from 8 to 64 frames
1440  * HE adds the ability to have up to 256 frames.
1441  */
1442 #define IEEE80211_MIN_AMPDU_BUF         0x8
1443 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1444 #define IEEE80211_MAX_AMPDU_BUF         0x100
1445
1446
1447 /* Spatial Multiplexing Power Save Modes (for capability) */
1448 #define WLAN_HT_CAP_SM_PS_STATIC        0
1449 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1450 #define WLAN_HT_CAP_SM_PS_INVALID       2
1451 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1452
1453 /* for SM power control field lower two bits */
1454 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1455 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1456 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1457
1458 /**
1459  * struct ieee80211_vht_mcs_info - VHT MCS information
1460  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1461  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1462  *      STA can receive. Rate expressed in units of 1 Mbps.
1463  *      If this field is 0 this value should not be used to
1464  *      consider the highest RX data rate supported.
1465  *      The top 3 bits of this field indicate the Maximum NSTS,total
1466  *      (a beamformee capability.)
1467  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1468  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1469  *      STA can transmit. Rate expressed in units of 1 Mbps.
1470  *      If this field is 0 this value should not be used to
1471  *      consider the highest TX data rate supported.
1472  *      The top 2 bits of this field are reserved, the
1473  *      3rd bit from the top indiciates VHT Extended NSS BW
1474  *      Capability.
1475  */
1476 struct ieee80211_vht_mcs_info {
1477         __le16 rx_mcs_map;
1478         __le16 rx_highest;
1479         __le16 tx_mcs_map;
1480         __le16 tx_highest;
1481 } __packed;
1482
1483 /* for rx_highest */
1484 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1485 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1486
1487 /* for tx_highest */
1488 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1489
1490 /**
1491  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1492  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1493  *      number of streams
1494  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1495  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1496  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1497  *
1498  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1499  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1500  * both split into 8 subfields by number of streams. These values indicate
1501  * which MCSes are supported for the number of streams the value appears
1502  * for.
1503  */
1504 enum ieee80211_vht_mcs_support {
1505         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1506         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1507         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1508         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1509 };
1510
1511 /**
1512  * struct ieee80211_vht_cap - VHT capabilities
1513  *
1514  * This structure is the "VHT capabilities element" as
1515  * described in 802.11ac D3.0 8.4.2.160
1516  * @vht_cap_info: VHT capability info
1517  * @supp_mcs: VHT MCS supported rates
1518  */
1519 struct ieee80211_vht_cap {
1520         __le32 vht_cap_info;
1521         struct ieee80211_vht_mcs_info supp_mcs;
1522 } __packed;
1523
1524 /**
1525  * enum ieee80211_vht_chanwidth - VHT channel width
1526  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1527  *      determine the channel width (20 or 40 MHz)
1528  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1529  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1530  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1531  */
1532 enum ieee80211_vht_chanwidth {
1533         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1534         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1535         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1536         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1537 };
1538
1539 /**
1540  * struct ieee80211_vht_operation - VHT operation IE
1541  *
1542  * This structure is the "VHT operation element" as
1543  * described in 802.11ac D3.0 8.4.2.161
1544  * @chan_width: Operating channel width
1545  * @center_freq_seg0_idx: center freq segment 0 index
1546  * @center_freq_seg1_idx: center freq segment 1 index
1547  * @basic_mcs_set: VHT Basic MCS rate set
1548  */
1549 struct ieee80211_vht_operation {
1550         u8 chan_width;
1551         u8 center_freq_seg0_idx;
1552         u8 center_freq_seg1_idx;
1553         __le16 basic_mcs_set;
1554 } __packed;
1555
1556 /**
1557  * struct ieee80211_he_cap_elem - HE capabilities element
1558  *
1559  * This structure is the "HE capabilities element" fixed fields as
1560  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1561  */
1562 struct ieee80211_he_cap_elem {
1563         u8 mac_cap_info[6];
1564         u8 phy_cap_info[11];
1565 } __packed;
1566
1567 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1568
1569 /**
1570  * enum ieee80211_he_mcs_support - HE MCS support definitions
1571  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1572  *      number of streams
1573  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1574  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1575  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1576  *
1577  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1578  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1579  * both split into 8 subfields by number of streams. These values indicate
1580  * which MCSes are supported for the number of streams the value appears
1581  * for.
1582  */
1583 enum ieee80211_he_mcs_support {
1584         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1585         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1586         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1587         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1588 };
1589
1590 /**
1591  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1592  *
1593  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1594  * described in P802.11ax_D2.0 section 9.4.2.237.4
1595  *
1596  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1597  *     widths less than 80MHz.
1598  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1599  *     widths less than 80MHz.
1600  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1601  *     width 160MHz.
1602  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1603  *     width 160MHz.
1604  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1605  *     channel width 80p80MHz.
1606  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1607  *     channel width 80p80MHz.
1608  */
1609 struct ieee80211_he_mcs_nss_supp {
1610         __le16 rx_mcs_80;
1611         __le16 tx_mcs_80;
1612         __le16 rx_mcs_160;
1613         __le16 tx_mcs_160;
1614         __le16 rx_mcs_80p80;
1615         __le16 tx_mcs_80p80;
1616 } __packed;
1617
1618 /**
1619  * struct ieee80211_he_operation - HE capabilities element
1620  *
1621  * This structure is the "HE operation element" fields as
1622  * described in P802.11ax_D4.0 section 9.4.2.243
1623  */
1624 struct ieee80211_he_operation {
1625         __le32 he_oper_params;
1626         __le16 he_mcs_nss_set;
1627         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1628         u8 optional[0];
1629 } __packed;
1630
1631 /**
1632  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1633  *
1634  * This structure is the "MU AC Parameter Record" fields as
1635  * described in P802.11ax_D4.0 section 9.4.2.245
1636  */
1637 struct ieee80211_he_mu_edca_param_ac_rec {
1638         u8 aifsn;
1639         u8 ecw_min_max;
1640         u8 mu_edca_timer;
1641 } __packed;
1642
1643 /**
1644  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1645  *
1646  * This structure is the "MU EDCA Parameter Set element" fields as
1647  * described in P802.11ax_D4.0 section 9.4.2.245
1648  */
1649 struct ieee80211_mu_edca_param_set {
1650         u8 mu_qos_info;
1651         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1652         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1653         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1654         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1655 } __packed;
1656
1657 /* 802.11ac VHT Capabilities */
1658 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1659 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1660 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1661 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1662 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1663 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1664 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1665 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1666 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1667 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1668 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1669 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1670 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1671 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1672 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1673 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1674 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1675 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1676 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1677 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1678 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1679 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1680                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1681 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1682 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1683                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1684 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1685 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1686 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1687 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1688 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1689 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1690                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1691 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1692 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1693 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1694 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1695 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1696 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1697
1698 /**
1699  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1700  * @cap: VHT capabilities of the peer
1701  * @bw: bandwidth to use
1702  * @mcs: MCS index to use
1703  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1704  *      (rate scaling algorithm) can deal with the new logic
1705  *      (dot11VHTExtendedNSSBWCapable)
1706  *
1707  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1708  * vary for a given BW/MCS. This function parses the data.
1709  *
1710  * Note: This function is exported by cfg80211.
1711  */
1712 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1713                               enum ieee80211_vht_chanwidth bw,
1714                               int mcs, bool ext_nss_bw_capable);
1715
1716 /* 802.11ax HE MAC capabilities */
1717 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1718 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1719 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1720 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1721 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1722 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1723 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1724 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1725 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1726 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1727 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1728 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1729 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1730 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1731 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1732 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1733 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1734
1735 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1736 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1737 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1738 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1739 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1740 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1741 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1742 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1743 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1744 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1745 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1746 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1747 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1748 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1749 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1750 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1751 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1752 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1753
1754 /* Link adaptation is split between byte HE_MAC_CAP1 and
1755  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1756  * in which case the following values apply:
1757  * 0 = No feedback.
1758  * 1 = reserved.
1759  * 2 = Unsolicited feedback.
1760  * 3 = both
1761  */
1762 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1763
1764 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1765 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1766 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1767 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1768 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1769 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1770 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1771 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1772
1773 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1774 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1775
1776 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1777  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1778  * same field in the HE capabilities.
1779  */
1780 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1781 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1782 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1783 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1784 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1785 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1786 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1787 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1788
1789 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1790 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1791 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1792 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1793 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1794 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1795 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1796 /* Multi TID agg TX is split between byte #4 and #5
1797  * The value is a combination of B39,B40,B41
1798  */
1799 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1800
1801 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1802 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1803 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1804 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1805 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1806 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1807 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1808 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1809
1810 /* 802.11ax HE PHY capabilities */
1811 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1812 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1813 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1814 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1815 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1816 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1817 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1818
1819 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1820 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1821 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1822 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1823 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1824 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1825 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1826 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1827 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1828 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1829
1830 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1831 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1832 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1833 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1834 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1835 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1836
1837 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1838  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1839  * case it indicates support for Tx.
1840  */
1841 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1842 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1843
1844 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1845 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1846 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1847 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1848 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1849 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1850 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1851 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1852 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1853 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1854 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1855 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1856 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1857 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1858 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1859 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1860
1861 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1862 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1863
1864 /* Minimal allowed value of Max STS under 80MHz is 3 */
1865 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1866 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1867 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1868 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1869 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1870 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1871
1872 /* Minimal allowed value of Max STS above 80MHz is 3 */
1873 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1874 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1875 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1876 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1877 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1878 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1879
1880 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1881 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1882 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1883 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1884 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1885 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1886 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1887 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1888 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1889
1890 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1891 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1892 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1893 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1894 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1895 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1896 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1897 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1898 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1899
1900 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1901 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1902
1903 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1904 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1905 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1906 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1907 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1908 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1909 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1910 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1911
1912 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1913 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1914 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1915 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1916 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1917 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1918 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1919 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1920 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1921 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1922 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1923 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1924 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1925
1926 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1927 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1928 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1929 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1930 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1931 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1932 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1933 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1934 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1935 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1936 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1937
1938 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1939 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1940 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1941 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1942 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1943 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1944 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1945 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
1946 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
1947 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
1948 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
1949
1950 /* 802.11ax HE TX/RX MCS NSS Support  */
1951 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1952 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
1953 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
1954 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
1955 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
1956
1957 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1958 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1959         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1960         HIGHEST_MCS_SUPPORTED_MCS8,
1961         HIGHEST_MCS_SUPPORTED_MCS9,
1962         HIGHEST_MCS_SUPPORTED_MCS10,
1963         HIGHEST_MCS_SUPPORTED_MCS11,
1964 };
1965
1966 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1967 static inline u8
1968 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1969 {
1970         u8 count = 4;
1971
1972         if (he_cap->phy_cap_info[0] &
1973             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1974                 count += 4;
1975
1976         if (he_cap->phy_cap_info[0] &
1977             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1978                 count += 4;
1979
1980         return count;
1981 }
1982
1983 /* 802.11ax HE PPE Thresholds */
1984 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
1985 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
1986 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
1987 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
1988         (BIT(5) | BIT(6))
1989 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
1990 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
1991 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
1992
1993 /*
1994  * Calculate 802.11ax HE capabilities IE PPE field size
1995  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
1996  */
1997 static inline u8
1998 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
1999 {
2000         u8 n;
2001
2002         if ((phy_cap_info[6] &
2003              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2004                 return 0;
2005
2006         n = hweight8(ppe_thres_hdr &
2007                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2008         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2009                    IEEE80211_PPE_THRES_NSS_POS));
2010
2011         /*
2012          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2013          * total size.
2014          */
2015         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2016         n = DIV_ROUND_UP(n, 8);
2017
2018         return n;
2019 }
2020
2021 /* HE Operation defines */
2022 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2023 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2024 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2025 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2026 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2027 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2028 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2029 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2030 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2031 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2032 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2033 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2034
2035 /*
2036  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2037  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2038  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2039  *      sizeof(struct ieee80211_he_operation) bytes, checked already in
2040  *      ieee802_11_parse_elems_crc()
2041  * @return the actual size of the IE data (not including header), or 0 on error
2042  */
2043 static inline u8
2044 ieee80211_he_oper_size(const u8 *he_oper_ie)
2045 {
2046         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2047         u8 oper_len = sizeof(struct ieee80211_he_operation);
2048         u32 he_oper_params;
2049
2050         /* Make sure the input is not NULL */
2051         if (!he_oper_ie)
2052                 return 0;
2053
2054         /* Calc required length */
2055         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2056         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2057                 oper_len += 3;
2058         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2059                 oper_len++;
2060         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2061                 oper_len += 4;
2062
2063         /* Add the first byte (extension ID) to the total length */
2064         oper_len++;
2065
2066         return oper_len;
2067 }
2068
2069 /* Authentication algorithms */
2070 #define WLAN_AUTH_OPEN 0
2071 #define WLAN_AUTH_SHARED_KEY 1
2072 #define WLAN_AUTH_FT 2
2073 #define WLAN_AUTH_SAE 3
2074 #define WLAN_AUTH_FILS_SK 4
2075 #define WLAN_AUTH_FILS_SK_PFS 5
2076 #define WLAN_AUTH_FILS_PK 6
2077 #define WLAN_AUTH_LEAP 128
2078
2079 #define WLAN_AUTH_CHALLENGE_LEN 128
2080
2081 #define WLAN_CAPABILITY_ESS             (1<<0)
2082 #define WLAN_CAPABILITY_IBSS            (1<<1)
2083
2084 /*
2085  * A mesh STA sets the ESS and IBSS capability bits to zero.
2086  * however, this holds true for p2p probe responses (in the p2p_find
2087  * phase) as well.
2088  */
2089 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2090         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2091
2092 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2093 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2094 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2095 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2096 #define WLAN_CAPABILITY_PBCC            (1<<6)
2097 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2098
2099 /* 802.11h */
2100 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2101 #define WLAN_CAPABILITY_QOS             (1<<9)
2102 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2103 #define WLAN_CAPABILITY_APSD            (1<<11)
2104 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2105 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2106 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2107 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2108
2109 /* DMG (60gHz) 802.11ad */
2110 /* type - bits 0..1 */
2111 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2112 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2113 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2114 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2115
2116 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2117 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2118 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2119 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2120
2121 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2122 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2123
2124 /* measurement */
2125 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2126 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2127 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2128
2129 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2130 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2131 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2132 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2133 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2134
2135 /* 802.11g ERP information element */
2136 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2137 #define WLAN_ERP_USE_PROTECTION (1<<1)
2138 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2139
2140 /* WLAN_ERP_BARKER_PREAMBLE values */
2141 enum {
2142         WLAN_ERP_PREAMBLE_SHORT = 0,
2143         WLAN_ERP_PREAMBLE_LONG = 1,
2144 };
2145
2146 /* Band ID, 802.11ad #8.4.1.45 */
2147 enum {
2148         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2149         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2150         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2151         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2152         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2153         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2154 };
2155
2156 /* Status codes */
2157 enum ieee80211_statuscode {
2158         WLAN_STATUS_SUCCESS = 0,
2159         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2160         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2161         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2162         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2163         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2164         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2165         WLAN_STATUS_CHALLENGE_FAIL = 15,
2166         WLAN_STATUS_AUTH_TIMEOUT = 16,
2167         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2168         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2169         /* 802.11b */
2170         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2171         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2172         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2173         /* 802.11h */
2174         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2175         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2176         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2177         /* 802.11g */
2178         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2179         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2180         /* 802.11w */
2181         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2182         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2183         /* 802.11i */
2184         WLAN_STATUS_INVALID_IE = 40,
2185         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2186         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2187         WLAN_STATUS_INVALID_AKMP = 43,
2188         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2189         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2190         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2191         /* 802.11e */
2192         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2193         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2194         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2195         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2196         WLAN_STATUS_REQUEST_DECLINED = 37,
2197         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2198         WLAN_STATUS_CHANGE_TSPEC = 39,
2199         WLAN_STATUS_WAIT_TS_DELAY = 47,
2200         WLAN_STATUS_NO_DIRECT_LINK = 48,
2201         WLAN_STATUS_STA_NOT_PRESENT = 49,
2202         WLAN_STATUS_STA_NOT_QSTA = 50,
2203         /* 802.11s */
2204         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2205         WLAN_STATUS_FCG_NOT_SUPP = 78,
2206         WLAN_STATUS_STA_NO_TBTT = 78,
2207         /* 802.11ad */
2208         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2209         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2210         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2211         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2212         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2213         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2214         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2215         WLAN_STATUS_REJECT_DSE_BAND = 96,
2216         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2217         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2218         /* 802.11ai */
2219         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2220         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2221 };
2222
2223
2224 /* Reason codes */
2225 enum ieee80211_reasoncode {
2226         WLAN_REASON_UNSPECIFIED = 1,
2227         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2228         WLAN_REASON_DEAUTH_LEAVING = 3,
2229         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2230         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2231         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2232         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2233         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2234         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2235         /* 802.11h */
2236         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2237         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2238         /* 802.11i */
2239         WLAN_REASON_INVALID_IE = 13,
2240         WLAN_REASON_MIC_FAILURE = 14,
2241         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2242         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2243         WLAN_REASON_IE_DIFFERENT = 17,
2244         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2245         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2246         WLAN_REASON_INVALID_AKMP = 20,
2247         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2248         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2249         WLAN_REASON_IEEE8021X_FAILED = 23,
2250         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2251         /* TDLS (802.11z) */
2252         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2253         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2254         /* 802.11e */
2255         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2256         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2257         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2258         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2259         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2260         WLAN_REASON_QSTA_NOT_USE = 37,
2261         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2262         WLAN_REASON_QSTA_TIMEOUT = 39,
2263         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2264         /* 802.11s */
2265         WLAN_REASON_MESH_PEER_CANCELED = 52,
2266         WLAN_REASON_MESH_MAX_PEERS = 53,
2267         WLAN_REASON_MESH_CONFIG = 54,
2268         WLAN_REASON_MESH_CLOSE = 55,
2269         WLAN_REASON_MESH_MAX_RETRIES = 56,
2270         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2271         WLAN_REASON_MESH_INVALID_GTK = 58,
2272         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2273         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2274         WLAN_REASON_MESH_PATH_ERROR = 61,
2275         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2276         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2277         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2278         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2279         WLAN_REASON_MESH_CHAN = 66,
2280 };
2281
2282
2283 /* Information Element IDs */
2284 enum ieee80211_eid {
2285         WLAN_EID_SSID = 0,
2286         WLAN_EID_SUPP_RATES = 1,
2287         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2288         WLAN_EID_DS_PARAMS = 3,
2289         WLAN_EID_CF_PARAMS = 4,
2290         WLAN_EID_TIM = 5,
2291         WLAN_EID_IBSS_PARAMS = 6,
2292         WLAN_EID_COUNTRY = 7,
2293         /* 8, 9 reserved */
2294         WLAN_EID_REQUEST = 10,
2295         WLAN_EID_QBSS_LOAD = 11,
2296         WLAN_EID_EDCA_PARAM_SET = 12,
2297         WLAN_EID_TSPEC = 13,
2298         WLAN_EID_TCLAS = 14,
2299         WLAN_EID_SCHEDULE = 15,
2300         WLAN_EID_CHALLENGE = 16,
2301         /* 17-31 reserved for challenge text extension */
2302         WLAN_EID_PWR_CONSTRAINT = 32,
2303         WLAN_EID_PWR_CAPABILITY = 33,
2304         WLAN_EID_TPC_REQUEST = 34,
2305         WLAN_EID_TPC_REPORT = 35,
2306         WLAN_EID_SUPPORTED_CHANNELS = 36,
2307         WLAN_EID_CHANNEL_SWITCH = 37,
2308         WLAN_EID_MEASURE_REQUEST = 38,
2309         WLAN_EID_MEASURE_REPORT = 39,
2310         WLAN_EID_QUIET = 40,
2311         WLAN_EID_IBSS_DFS = 41,
2312         WLAN_EID_ERP_INFO = 42,
2313         WLAN_EID_TS_DELAY = 43,
2314         WLAN_EID_TCLAS_PROCESSING = 44,
2315         WLAN_EID_HT_CAPABILITY = 45,
2316         WLAN_EID_QOS_CAPA = 46,
2317         /* 47 reserved for Broadcom */
2318         WLAN_EID_RSN = 48,
2319         WLAN_EID_802_15_COEX = 49,
2320         WLAN_EID_EXT_SUPP_RATES = 50,
2321         WLAN_EID_AP_CHAN_REPORT = 51,
2322         WLAN_EID_NEIGHBOR_REPORT = 52,
2323         WLAN_EID_RCPI = 53,
2324         WLAN_EID_MOBILITY_DOMAIN = 54,
2325         WLAN_EID_FAST_BSS_TRANSITION = 55,
2326         WLAN_EID_TIMEOUT_INTERVAL = 56,
2327         WLAN_EID_RIC_DATA = 57,
2328         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2329         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2330         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2331         WLAN_EID_HT_OPERATION = 61,
2332         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2333         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2334         WLAN_EID_ANTENNA_INFO = 64,
2335         WLAN_EID_RSNI = 65,
2336         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2337         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2338         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2339         WLAN_EID_TIME_ADVERTISEMENT = 69,
2340         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2341         WLAN_EID_MULTIPLE_BSSID = 71,
2342         WLAN_EID_BSS_COEX_2040 = 72,
2343         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2344         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2345         WLAN_EID_RIC_DESCRIPTOR = 75,
2346         WLAN_EID_MMIE = 76,
2347         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2348         WLAN_EID_EVENT_REQUEST = 78,
2349         WLAN_EID_EVENT_REPORT = 79,
2350         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2351         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2352         WLAN_EID_LOCATION_PARAMS = 82,
2353         WLAN_EID_NON_TX_BSSID_CAP =  83,
2354         WLAN_EID_SSID_LIST = 84,
2355         WLAN_EID_MULTI_BSSID_IDX = 85,
2356         WLAN_EID_FMS_DESCRIPTOR = 86,
2357         WLAN_EID_FMS_REQUEST = 87,
2358         WLAN_EID_FMS_RESPONSE = 88,
2359         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2360         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2361         WLAN_EID_TSF_REQUEST = 91,
2362         WLAN_EID_TSF_RESPOSNE = 92,
2363         WLAN_EID_WNM_SLEEP_MODE = 93,
2364         WLAN_EID_TIM_BCAST_REQ = 94,
2365         WLAN_EID_TIM_BCAST_RESP = 95,
2366         WLAN_EID_COLL_IF_REPORT = 96,
2367         WLAN_EID_CHANNEL_USAGE = 97,
2368         WLAN_EID_TIME_ZONE = 98,
2369         WLAN_EID_DMS_REQUEST = 99,
2370         WLAN_EID_DMS_RESPONSE = 100,
2371         WLAN_EID_LINK_ID = 101,
2372         WLAN_EID_WAKEUP_SCHEDUL = 102,
2373         /* 103 reserved */
2374         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2375         WLAN_EID_PTI_CONTROL = 105,
2376         WLAN_EID_PU_BUFFER_STATUS = 106,
2377         WLAN_EID_INTERWORKING = 107,
2378         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2379         WLAN_EID_EXPEDITED_BW_REQ = 109,
2380         WLAN_EID_QOS_MAP_SET = 110,
2381         WLAN_EID_ROAMING_CONSORTIUM = 111,
2382         WLAN_EID_EMERGENCY_ALERT = 112,
2383         WLAN_EID_MESH_CONFIG = 113,
2384         WLAN_EID_MESH_ID = 114,
2385         WLAN_EID_LINK_METRIC_REPORT = 115,
2386         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2387         WLAN_EID_PEER_MGMT = 117,
2388         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2389         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2390         WLAN_EID_BEACON_TIMING = 120,
2391         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2392         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2393         WLAN_EID_MCCAOP_ADVERT = 123,
2394         WLAN_EID_MCCAOP_TEARDOWN = 124,
2395         WLAN_EID_GANN = 125,
2396         WLAN_EID_RANN = 126,
2397         WLAN_EID_EXT_CAPABILITY = 127,
2398         /* 128, 129 reserved for Agere */
2399         WLAN_EID_PREQ = 130,
2400         WLAN_EID_PREP = 131,
2401         WLAN_EID_PERR = 132,
2402         /* 133-136 reserved for Cisco */
2403         WLAN_EID_PXU = 137,
2404         WLAN_EID_PXUC = 138,
2405         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2406         WLAN_EID_MIC = 140,
2407         WLAN_EID_DESTINATION_URI = 141,
2408         WLAN_EID_UAPSD_COEX = 142,
2409         WLAN_EID_WAKEUP_SCHEDULE = 143,
2410         WLAN_EID_EXT_SCHEDULE = 144,
2411         WLAN_EID_STA_AVAILABILITY = 145,
2412         WLAN_EID_DMG_TSPEC = 146,
2413         WLAN_EID_DMG_AT = 147,
2414         WLAN_EID_DMG_CAP = 148,
2415         /* 149 reserved for Cisco */
2416         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2417         WLAN_EID_DMG_OPERATION = 151,
2418         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2419         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2420         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2421         /* 155-156 reserved for Cisco */
2422         WLAN_EID_AWAKE_WINDOW = 157,
2423         WLAN_EID_MULTI_BAND = 158,
2424         WLAN_EID_ADDBA_EXT = 159,
2425         WLAN_EID_NEXT_PCP_LIST = 160,
2426         WLAN_EID_PCP_HANDOVER = 161,
2427         WLAN_EID_DMG_LINK_MARGIN = 162,
2428         WLAN_EID_SWITCHING_STREAM = 163,
2429         WLAN_EID_SESSION_TRANSITION = 164,
2430         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2431         WLAN_EID_CLUSTER_REPORT = 166,
2432         WLAN_EID_RELAY_CAP = 167,
2433         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2434         WLAN_EID_BEAM_LINK_MAINT = 169,
2435         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2436         WLAN_EID_U_PID = 171,
2437         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2438         /* 173 reserved for Symbol */
2439         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2440         WLAN_EID_QUIET_PERIOD_REQ = 175,
2441         /* 176 reserved for Symbol */
2442         WLAN_EID_QUIET_PERIOD_RESP = 177,
2443         /* 178-179 reserved for Symbol */
2444         /* 180 reserved for ISO/IEC 20011 */
2445         WLAN_EID_EPAC_POLICY = 182,
2446         WLAN_EID_CLISTER_TIME_OFF = 183,
2447         WLAN_EID_INTER_AC_PRIO = 184,
2448         WLAN_EID_SCS_DESCRIPTOR = 185,
2449         WLAN_EID_QLOAD_REPORT = 186,
2450         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2451         WLAN_EID_HL_STREAM_ID = 188,
2452         WLAN_EID_GCR_GROUP_ADDR = 189,
2453         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2454         WLAN_EID_VHT_CAPABILITY = 191,
2455         WLAN_EID_VHT_OPERATION = 192,
2456         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2457         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2458         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2459         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2460         WLAN_EID_AID = 197,
2461         WLAN_EID_QUIET_CHANNEL = 198,
2462         WLAN_EID_OPMODE_NOTIF = 199,
2463
2464         WLAN_EID_VENDOR_SPECIFIC = 221,
2465         WLAN_EID_QOS_PARAMETER = 222,
2466         WLAN_EID_CAG_NUMBER = 237,
2467         WLAN_EID_AP_CSN = 239,
2468         WLAN_EID_FILS_INDICATION = 240,
2469         WLAN_EID_DILS = 241,
2470         WLAN_EID_FRAGMENT = 242,
2471         WLAN_EID_EXTENSION = 255
2472 };
2473
2474 /* Element ID Extensions for Element ID 255 */
2475 enum ieee80211_eid_ext {
2476         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2477         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2478         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2479         WLAN_EID_EXT_FILS_SESSION = 4,
2480         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2481         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2482         WLAN_EID_EXT_KEY_DELIVERY = 7,
2483         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2484         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2485         WLAN_EID_EXT_FILS_NONCE = 13,
2486         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2487         WLAN_EID_EXT_HE_CAPABILITY = 35,
2488         WLAN_EID_EXT_HE_OPERATION = 36,
2489         WLAN_EID_EXT_UORA = 37,
2490         WLAN_EID_EXT_HE_MU_EDCA = 38,
2491         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2492         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2493         WLAN_EID_EXT_NON_INHERITANCE = 56,
2494 };
2495
2496 /* Action category code */
2497 enum ieee80211_category {
2498         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2499         WLAN_CATEGORY_QOS = 1,
2500         WLAN_CATEGORY_DLS = 2,
2501         WLAN_CATEGORY_BACK = 3,
2502         WLAN_CATEGORY_PUBLIC = 4,
2503         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2504         WLAN_CATEGORY_HT = 7,
2505         WLAN_CATEGORY_SA_QUERY = 8,
2506         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2507         WLAN_CATEGORY_WNM = 10,
2508         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2509         WLAN_CATEGORY_TDLS = 12,
2510         WLAN_CATEGORY_MESH_ACTION = 13,
2511         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2512         WLAN_CATEGORY_SELF_PROTECTED = 15,
2513         WLAN_CATEGORY_DMG = 16,
2514         WLAN_CATEGORY_WMM = 17,
2515         WLAN_CATEGORY_FST = 18,
2516         WLAN_CATEGORY_UNPROT_DMG = 20,
2517         WLAN_CATEGORY_VHT = 21,
2518         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2519         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2520 };
2521
2522 /* SPECTRUM_MGMT action code */
2523 enum ieee80211_spectrum_mgmt_actioncode {
2524         WLAN_ACTION_SPCT_MSR_REQ = 0,
2525         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2526         WLAN_ACTION_SPCT_TPC_REQ = 2,
2527         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2528         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2529 };
2530
2531 /* HT action codes */
2532 enum ieee80211_ht_actioncode {
2533         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2534         WLAN_HT_ACTION_SMPS = 1,
2535         WLAN_HT_ACTION_PSMP = 2,
2536         WLAN_HT_ACTION_PCO_PHASE = 3,
2537         WLAN_HT_ACTION_CSI = 4,
2538         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2539         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2540         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2541 };
2542
2543 /* VHT action codes */
2544 enum ieee80211_vht_actioncode {
2545         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2546         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2547         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2548 };
2549
2550 /* Self Protected Action codes */
2551 enum ieee80211_self_protected_actioncode {
2552         WLAN_SP_RESERVED = 0,
2553         WLAN_SP_MESH_PEERING_OPEN = 1,
2554         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2555         WLAN_SP_MESH_PEERING_CLOSE = 3,
2556         WLAN_SP_MGK_INFORM = 4,
2557         WLAN_SP_MGK_ACK = 5,
2558 };
2559
2560 /* Mesh action codes */
2561 enum ieee80211_mesh_actioncode {
2562         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2563         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2564         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2565         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2566         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2567         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2568         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2569         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2570         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2571         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2572         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2573 };
2574
2575 /* Security key length */
2576 enum ieee80211_key_len {
2577         WLAN_KEY_LEN_WEP40 = 5,
2578         WLAN_KEY_LEN_WEP104 = 13,
2579         WLAN_KEY_LEN_CCMP = 16,
2580         WLAN_KEY_LEN_CCMP_256 = 32,
2581         WLAN_KEY_LEN_TKIP = 32,
2582         WLAN_KEY_LEN_AES_CMAC = 16,
2583         WLAN_KEY_LEN_SMS4 = 32,
2584         WLAN_KEY_LEN_GCMP = 16,
2585         WLAN_KEY_LEN_GCMP_256 = 32,
2586         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2587         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2588         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2589 };
2590
2591 #define IEEE80211_WEP_IV_LEN            4
2592 #define IEEE80211_WEP_ICV_LEN           4
2593 #define IEEE80211_CCMP_HDR_LEN          8
2594 #define IEEE80211_CCMP_MIC_LEN          8
2595 #define IEEE80211_CCMP_PN_LEN           6
2596 #define IEEE80211_CCMP_256_HDR_LEN      8
2597 #define IEEE80211_CCMP_256_MIC_LEN      16
2598 #define IEEE80211_CCMP_256_PN_LEN       6
2599 #define IEEE80211_TKIP_IV_LEN           8
2600 #define IEEE80211_TKIP_ICV_LEN          4
2601 #define IEEE80211_CMAC_PN_LEN           6
2602 #define IEEE80211_GMAC_PN_LEN           6
2603 #define IEEE80211_GCMP_HDR_LEN          8
2604 #define IEEE80211_GCMP_MIC_LEN          16
2605 #define IEEE80211_GCMP_PN_LEN           6
2606
2607 #define FILS_NONCE_LEN                  16
2608 #define FILS_MAX_KEK_LEN                64
2609
2610 #define FILS_ERP_MAX_USERNAME_LEN       16
2611 #define FILS_ERP_MAX_REALM_LEN          253
2612 #define FILS_ERP_MAX_RRK_LEN            64
2613
2614 #define PMK_MAX_LEN                     64
2615
2616 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2617 enum ieee80211_pub_actioncode {
2618         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2619         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2620         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2621         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2622         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2623         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2624         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2625         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2626         WLAN_PUB_ACTION_DSE_PC = 8,
2627         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2628         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2629         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2630         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2631         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2632         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2633         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2634         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2635         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2636         WLAN_PUB_ACTION_QMF_POLICY = 18,
2637         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2638         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2639         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2640         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2641         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2642         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2643         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2644         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2645         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2646         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2647         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2648         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2649         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2650         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2651         WLAN_PUB_ACTION_FTM = 33,
2652         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2653 };
2654
2655 /* TDLS action codes */
2656 enum ieee80211_tdls_actioncode {
2657         WLAN_TDLS_SETUP_REQUEST = 0,
2658         WLAN_TDLS_SETUP_RESPONSE = 1,
2659         WLAN_TDLS_SETUP_CONFIRM = 2,
2660         WLAN_TDLS_TEARDOWN = 3,
2661         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2662         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2663         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2664         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2665         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2666         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2667         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2668 };
2669
2670 /* Extended Channel Switching capability to be set in the 1st byte of
2671  * the @WLAN_EID_EXT_CAPABILITY information element
2672  */
2673 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2674
2675 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2676  * @WLAN_EID_EXT_CAPABILITY information element
2677  */
2678 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2679
2680 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2681 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2682 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2683 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2684
2685 /* Interworking capabilities are set in 7th bit of 4th byte of the
2686  * @WLAN_EID_EXT_CAPABILITY information element
2687  */
2688 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2689
2690 /*
2691  * TDLS capabililites to be enabled in the 5th byte of the
2692  * @WLAN_EID_EXT_CAPABILITY information element
2693  */
2694 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2695 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2696 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2697
2698 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2699 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2700
2701 /* Defines the maximal number of MSDUs in an A-MSDU. */
2702 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2703 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2704
2705 /*
2706  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2707  * information element
2708  */
2709 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2710
2711 /* Defines support for TWT Requester and TWT Responder */
2712 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2713 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2714
2715 /* Defines support for enhanced multi-bssid advertisement*/
2716 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2717
2718 /* TDLS specific payload type in the LLC/SNAP header */
2719 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2720
2721 /* BSS Coex IE information field bits */
2722 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2723
2724 /**
2725  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2726  *
2727  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2728  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2729  *      that will be specified in a vendor specific information element
2730  */
2731 enum ieee80211_mesh_sync_method {
2732         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2733         IEEE80211_SYNC_METHOD_VENDOR = 255,
2734 };
2735
2736 /**
2737  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2738  *
2739  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2740  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2741  *      be specified in a vendor specific information element
2742  */
2743 enum ieee80211_mesh_path_protocol {
2744         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2745         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2746 };
2747
2748 /**
2749  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2750  *
2751  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2752  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2753  *      specified in a vendor specific information element
2754  */
2755 enum ieee80211_mesh_path_metric {
2756         IEEE80211_PATH_METRIC_AIRTIME = 1,
2757         IEEE80211_PATH_METRIC_VENDOR = 255,
2758 };
2759
2760 /**
2761  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2762  *
2763  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2764  *
2765  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2766  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2767  *      this value
2768  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2769  *      the proactive PREQ with proactive PREP subfield set to 0
2770  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2771  *      supports the proactive PREQ with proactive PREP subfield set to 1
2772  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2773  *      the proactive RANN
2774  */
2775 enum ieee80211_root_mode_identifier {
2776         IEEE80211_ROOTMODE_NO_ROOT = 0,
2777         IEEE80211_ROOTMODE_ROOT = 1,
2778         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2779         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2780         IEEE80211_PROACTIVE_RANN = 4,
2781 };
2782
2783 /*
2784  * IEEE 802.11-2007 7.3.2.9 Country information element
2785  *
2786  * Minimum length is 8 octets, ie len must be evenly
2787  * divisible by 2
2788  */
2789
2790 /* Although the spec says 8 I'm seeing 6 in practice */
2791 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2792
2793 /* The Country String field of the element shall be 3 octets in length */
2794 #define IEEE80211_COUNTRY_STRING_LEN    3
2795
2796 /*
2797  * For regulatory extension stuff see IEEE 802.11-2007
2798  * Annex I (page 1141) and Annex J (page 1147). Also
2799  * review 7.3.2.9.
2800  *
2801  * When dot11RegulatoryClassesRequired is true and the
2802  * first_channel/reg_extension_id is >= 201 then the IE
2803  * compromises of the 'ext' struct represented below:
2804  *
2805  *  - Regulatory extension ID - when generating IE this just needs
2806  *    to be monotonically increasing for each triplet passed in
2807  *    the IE
2808  *  - Regulatory class - index into set of rules
2809  *  - Coverage class - index into air propagation time (Table 7-27),
2810  *    in microseconds, you can compute the air propagation time from
2811  *    the index by multiplying by 3, so index 10 yields a propagation
2812  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2813  *    yet. A value of 0 inicates air propagation of <= 1 us.
2814  *
2815  *  See also Table I.2 for Emission limit sets and table
2816  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2817  *  a reg_class to an emission limit set and behavior limit set.
2818  */
2819 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2820
2821 /*
2822  *  Channels numbers in the IE must be monotonically increasing
2823  *  if dot11RegulatoryClassesRequired is not true.
2824  *
2825  *  If dot11RegulatoryClassesRequired is true consecutive
2826  *  subband triplets following a regulatory triplet shall
2827  *  have monotonically increasing first_channel number fields.
2828  *
2829  *  Channel numbers shall not overlap.
2830  *
2831  *  Note that max_power is signed.
2832  */
2833 struct ieee80211_country_ie_triplet {
2834         union {
2835                 struct {
2836                         u8 first_channel;
2837                         u8 num_channels;
2838                         s8 max_power;
2839                 } __packed chans;
2840                 struct {
2841                         u8 reg_extension_id;
2842                         u8 reg_class;
2843                         u8 coverage_class;
2844                 } __packed ext;
2845         };
2846 } __packed;
2847
2848 enum ieee80211_timeout_interval_type {
2849         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2850         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2851         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2852 };
2853
2854 /**
2855  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2856  * @type: type, see &enum ieee80211_timeout_interval_type
2857  * @value: timeout interval value
2858  */
2859 struct ieee80211_timeout_interval_ie {
2860         u8 type;
2861         __le32 value;
2862 } __packed;
2863
2864 /**
2865  * enum ieee80211_idle_options - BSS idle options
2866  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2867  *      protected frame to the AP to reset the idle timer at the AP for
2868  *      the station.
2869  */
2870 enum ieee80211_idle_options {
2871         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2872 };
2873
2874 /**
2875  * struct ieee80211_bss_max_idle_period_ie
2876  *
2877  * This structure refers to "BSS Max idle period element"
2878  *
2879  * @max_idle_period: indicates the time period during which a station can
2880  *      refrain from transmitting frames to its associated AP without being
2881  *      disassociated. In units of 1000 TUs.
2882  * @idle_options: indicates the options associated with the BSS idle capability
2883  *      as specified in &enum ieee80211_idle_options.
2884  */
2885 struct ieee80211_bss_max_idle_period_ie {
2886         __le16 max_idle_period;
2887         u8 idle_options;
2888 } __packed;
2889
2890 /* BACK action code */
2891 enum ieee80211_back_actioncode {
2892         WLAN_ACTION_ADDBA_REQ = 0,
2893         WLAN_ACTION_ADDBA_RESP = 1,
2894         WLAN_ACTION_DELBA = 2,
2895 };
2896
2897 /* BACK (block-ack) parties */
2898 enum ieee80211_back_parties {
2899         WLAN_BACK_RECIPIENT = 0,
2900         WLAN_BACK_INITIATOR = 1,
2901 };
2902
2903 /* SA Query action */
2904 enum ieee80211_sa_query_action {
2905         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2906         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2907 };
2908
2909 /**
2910  * struct ieee80211_bssid_index
2911  *
2912  * This structure refers to "Multiple BSSID-index element"
2913  *
2914  * @bssid_index: BSSID index
2915  * @dtim_period: optional, overrides transmitted BSS dtim period
2916  * @dtim_count: optional, overrides transmitted BSS dtim count
2917  */
2918 struct ieee80211_bssid_index {
2919         u8 bssid_index;
2920         u8 dtim_period;
2921         u8 dtim_count;
2922 };
2923
2924 /**
2925  * struct ieee80211_multiple_bssid_configuration
2926  *
2927  * This structure refers to "Multiple BSSID Configuration element"
2928  *
2929  * @bssid_count: total number of active BSSIDs in the set
2930  * @profile_periodicity: the least number of beacon frames need to be received
2931  *      in order to discover all the nontransmitted BSSIDs in the set.
2932  */
2933 struct ieee80211_multiple_bssid_configuration {
2934         u8 bssid_count;
2935         u8 profile_periodicity;
2936 };
2937
2938 #define SUITE(oui, id)  (((oui) << 8) | (id))
2939
2940 /* cipher suite selectors */
2941 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
2942 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
2943 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
2944 /* reserved:                            SUITE(0x000FAC, 3) */
2945 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
2946 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
2947 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
2948 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
2949 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
2950 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
2951 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
2952 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
2953 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
2954
2955 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
2956
2957 /* AKM suite selectors */
2958 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
2959 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
2960 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
2961 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
2962 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
2963 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
2964 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
2965 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
2966 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
2967 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
2968 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
2969 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
2970 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
2971 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
2972 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
2973
2974 #define WLAN_MAX_KEY_LEN                32
2975
2976 #define WLAN_PMK_NAME_LEN               16
2977 #define WLAN_PMKID_LEN                  16
2978 #define WLAN_PMK_LEN_EAP_LEAP           16
2979 #define WLAN_PMK_LEN                    32
2980 #define WLAN_PMK_LEN_SUITE_B_192        48
2981
2982 #define WLAN_OUI_WFA                    0x506f9a
2983 #define WLAN_OUI_TYPE_WFA_P2P           9
2984 #define WLAN_OUI_MICROSOFT              0x0050f2
2985 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
2986 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
2987 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
2988 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
2989
2990 /*
2991  * WMM/802.11e Tspec Element
2992  */
2993 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2994 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2995
2996 enum ieee80211_tspec_status_code {
2997         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2998         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2999 };
3000
3001 struct ieee80211_tspec_ie {
3002         u8 element_id;
3003         u8 len;
3004         u8 oui[3];
3005         u8 oui_type;
3006         u8 oui_subtype;
3007         u8 version;
3008         __le16 tsinfo;
3009         u8 tsinfo_resvd;
3010         __le16 nominal_msdu;
3011         __le16 max_msdu;
3012         __le32 min_service_int;
3013         __le32 max_service_int;
3014         __le32 inactivity_int;
3015         __le32 suspension_int;
3016         __le32 service_start_time;
3017         __le32 min_data_rate;
3018         __le32 mean_data_rate;
3019         __le32 peak_data_rate;
3020         __le32 max_burst_size;
3021         __le32 delay_bound;
3022         __le32 min_phy_rate;
3023         __le16 sba;
3024         __le16 medium_time;
3025 } __packed;
3026
3027 /**
3028  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3029  * @hdr: the frame
3030  *
3031  * The qos ctrl bytes come after the frame_control, duration, seq_num
3032  * and 3 or 4 addresses of length ETH_ALEN.
3033  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3034  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3035  */
3036 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3037 {
3038         if (ieee80211_has_a4(hdr->frame_control))
3039                 return (u8 *)hdr + 30;
3040         else
3041                 return (u8 *)hdr + 24;
3042 }
3043
3044 /**
3045  * ieee80211_get_tid - get qos TID
3046  * @hdr: the frame
3047  */
3048 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3049 {
3050         u8 *qc = ieee80211_get_qos_ctl(hdr);
3051
3052         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3053 }
3054
3055 /**
3056  * ieee80211_get_SA - get pointer to SA
3057  * @hdr: the frame
3058  *
3059  * Given an 802.11 frame, this function returns the offset
3060  * to the source address (SA). It does not verify that the
3061  * header is long enough to contain the address, and the
3062  * header must be long enough to contain the frame control
3063  * field.
3064  */
3065 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3066 {
3067         if (ieee80211_has_a4(hdr->frame_control))
3068                 return hdr->addr4;
3069         if (ieee80211_has_fromds(hdr->frame_control))
3070                 return hdr->addr3;
3071         return hdr->addr2;
3072 }
3073
3074 /**
3075  * ieee80211_get_DA - get pointer to DA
3076  * @hdr: the frame
3077  *
3078  * Given an 802.11 frame, this function returns the offset
3079  * to the destination address (DA). It does not verify that
3080  * the header is long enough to contain the address, and the
3081  * header must be long enough to contain the frame control
3082  * field.
3083  */
3084 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3085 {
3086         if (ieee80211_has_tods(hdr->frame_control))
3087                 return hdr->addr3;
3088         else
3089                 return hdr->addr1;
3090 }
3091
3092 /**
3093  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3094  * @hdr: the frame (buffer must include at least the first octet of payload)
3095  */
3096 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3097 {
3098         if (ieee80211_is_disassoc(hdr->frame_control) ||
3099             ieee80211_is_deauth(hdr->frame_control))
3100                 return true;
3101
3102         if (ieee80211_is_action(hdr->frame_control)) {
3103                 u8 *category;
3104
3105                 /*
3106                  * Action frames, excluding Public Action frames, are Robust
3107                  * Management Frames. However, if we are looking at a Protected
3108                  * frame, skip the check since the data may be encrypted and
3109                  * the frame has already been found to be a Robust Management
3110                  * Frame (by the other end).
3111                  */
3112                 if (ieee80211_has_protected(hdr->frame_control))
3113                         return true;
3114                 category = ((u8 *) hdr) + 24;
3115                 return *category != WLAN_CATEGORY_PUBLIC &&
3116                         *category != WLAN_CATEGORY_HT &&
3117                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3118                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3119                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3120                         *category != WLAN_CATEGORY_VHT &&
3121                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3122         }
3123
3124         return false;
3125 }
3126
3127 /**
3128  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3129  * @skb: the skb containing the frame, length will be checked
3130  */
3131 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3132 {
3133         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3134                 return false;
3135         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3136 }
3137
3138 /**
3139  * ieee80211_is_public_action - check if frame is a public action frame
3140  * @hdr: the frame
3141  * @len: length of the frame
3142  */
3143 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3144                                               size_t len)
3145 {
3146         struct ieee80211_mgmt *mgmt = (void *)hdr;
3147
3148         if (len < IEEE80211_MIN_ACTION_SIZE)
3149                 return false;
3150         if (!ieee80211_is_action(hdr->frame_control))
3151                 return false;
3152         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3153 }
3154
3155 /**
3156  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3157  * privacy action frame
3158  * @hdr: the frame
3159  */
3160 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3161 {
3162         struct ieee80211_mgmt *mgmt = (void *)hdr;
3163
3164         if (!ieee80211_is_action(hdr->frame_control) ||
3165             !is_multicast_ether_addr(hdr->addr1))
3166                 return false;
3167
3168         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3169                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3170 }
3171
3172 /**
3173  * ieee80211_is_group_privacy_action - check if frame is a group addressed
3174  * privacy action frame
3175  * @skb: the skb containing the frame, length will be checked
3176  */
3177 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3178 {
3179         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3180                 return false;
3181         return _ieee80211_is_group_privacy_action((void *)skb->data);
3182 }
3183
3184 /**
3185  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3186  * @tu: the TUs
3187  */
3188 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3189 {
3190         return 1024 * tu;
3191 }
3192
3193 /**
3194  * ieee80211_check_tim - check if AID bit is set in TIM
3195  * @tim: the TIM IE
3196  * @tim_len: length of the TIM IE
3197  * @aid: the AID to look for
3198  */
3199 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3200                                        u8 tim_len, u16 aid)
3201 {
3202         u8 mask;
3203         u8 index, indexn1, indexn2;
3204
3205         if (unlikely(!tim || tim_len < sizeof(*tim)))
3206                 return false;
3207
3208         aid &= 0x3fff;
3209         index = aid / 8;
3210         mask  = 1 << (aid & 7);
3211
3212         indexn1 = tim->bitmap_ctrl & 0xfe;
3213         indexn2 = tim_len + indexn1 - 4;
3214
3215         if (index < indexn1 || index > indexn2)
3216                 return false;
3217
3218         index -= indexn1;
3219
3220         return !!(tim->virtual_map[index] & mask);
3221 }
3222
3223 /**
3224  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3225  * @skb: the skb containing the frame, length will not be checked
3226  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3227  *
3228  * This function assumes the frame is a data frame, and that the network header
3229  * is in the correct place.
3230  */
3231 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3232 {
3233         if (!skb_is_nonlinear(skb) &&
3234             skb->len > (skb_network_offset(skb) + 2)) {
3235                 /* Point to where the indication of TDLS should start */
3236                 const u8 *tdls_data = skb_network_header(skb) - 2;
3237
3238                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3239                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3240                     tdls_data[3] == WLAN_CATEGORY_TDLS)
3241                         return tdls_data[4];
3242         }
3243
3244         return -1;
3245 }
3246
3247 /* convert time units */
3248 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
3249 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
3250
3251 /**
3252  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3253  * @skb: the skb containing the frame, length will be checked
3254  *
3255  * This function checks if it's either TPC report action frame or Link
3256  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3257  * and 8.5.7.5 accordingly.
3258  */
3259 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3260 {
3261         struct ieee80211_mgmt *mgmt = (void *)skb->data;
3262
3263         if (!ieee80211_is_action(mgmt->frame_control))
3264                 return false;
3265
3266         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3267                        sizeof(mgmt->u.action.u.tpc_report))
3268                 return false;
3269
3270         /*
3271          * TPC report - check that:
3272          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3273          * spectrum management action = 3 (TPC/Link Measurement report)
3274          * TPC report EID = 35
3275          * TPC report element length = 2
3276          *
3277          * The spectrum management's tpc_report struct is used here both for
3278          * parsing tpc_report and radio measurement's link measurement report
3279          * frame, since the relevant part is identical in both frames.
3280          */
3281         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3282             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3283                 return false;
3284
3285         /* both spectrum mgmt and link measurement have same action code */
3286         if (mgmt->u.action.u.tpc_report.action_code !=
3287             WLAN_ACTION_SPCT_TPC_RPRT)
3288                 return false;
3289
3290         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3291             mgmt->u.action.u.tpc_report.tpc_elem_length !=
3292             sizeof(struct ieee80211_tpc_report_ie))
3293                 return false;
3294
3295         return true;
3296 }
3297
3298 struct element {
3299         u8 id;
3300         u8 datalen;
3301         u8 data[];
3302 } __packed;
3303
3304 /* element iteration helpers */
3305 #define for_each_element(_elem, _data, _datalen)                        \
3306         for (_elem = (const struct element *)(_data);                   \
3307              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3308                 (int)sizeof(*_elem) &&                                  \
3309              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3310                 (int)sizeof(*_elem) + _elem->datalen;                   \
3311              _elem = (const struct element *)(_elem->data + _elem->datalen))
3312
3313 #define for_each_element_id(element, _id, data, datalen)                \
3314         for_each_element(element, data, datalen)                        \
3315                 if (element->id == (_id))
3316
3317 #define for_each_element_extid(element, extid, _data, _datalen)         \
3318         for_each_element(element, _data, _datalen)                      \
3319                 if (element->id == WLAN_EID_EXTENSION &&                \
3320                     element->datalen > 0 &&                             \
3321                     element->data[0] == (extid))
3322
3323 #define for_each_subelement(sub, element)                               \
3324         for_each_element(sub, (element)->data, (element)->datalen)
3325
3326 #define for_each_subelement_id(sub, id, element)                        \
3327         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3328
3329 #define for_each_subelement_extid(sub, extid, element)                  \
3330         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3331
3332 /**
3333  * for_each_element_completed - determine if element parsing consumed all data
3334  * @element: element pointer after for_each_element() or friends
3335  * @data: same data pointer as passed to for_each_element() or friends
3336  * @datalen: same data length as passed to for_each_element() or friends
3337  *
3338  * This function returns %true if all the data was parsed or considered
3339  * while walking the elements. Only use this if your for_each_element()
3340  * loop cannot be broken out of, otherwise it always returns %false.
3341  *
3342  * If some data was malformed, this returns %false since the last parsed
3343  * element will not fill the whole remaining data.
3344  */
3345 static inline bool for_each_element_completed(const struct element *element,
3346                                               const void *data, size_t datalen)
3347 {
3348         return (const u8 *)element == (const u8 *)data + datalen;
3349 }
3350
3351 #endif /* LINUX_IEEE80211_H */