include/linux/ieee80211.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * IEEE 802.11 defines
   4  *
   5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   6  * <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   8  * Copyright (c) 2005, Devicescape Software, Inc.
   9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12  * Copyright (c) 2018 - 2020 Intel Corporation
  13  */
  14
  15 #ifndef __LINUX_IEEE80211_H
  16 #define __LINUX_IEEE80211_H
  17
  18 /*
  19  * DS bit usage
  20  *
  21  * TA = transmitter address
  22  * RA = receiver address
  23  * DA = destination address
  24  * SA = source address
  25  *
  26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  27  * -----------------------------------------------------------------
  28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  29  *  0       1       DA      BSSID   SA      -       AP -> STA
  30  *  1       0       BSSID   SA      DA      -       AP <- STA
  31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  32  */
  33
  34 #define FCS_LEN 4
  35
  36 #define IEEE80211_FCTL_VERS             0x0003
  37 #define IEEE80211_FCTL_FTYPE            0x000c
  38 #define IEEE80211_FCTL_STYPE            0x00f0
  39 #define IEEE80211_FCTL_TODS             0x0100
  40 #define IEEE80211_FCTL_FROMDS           0x0200
  41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  42 #define IEEE80211_FCTL_RETRY            0x0800
  43 #define IEEE80211_FCTL_PM               0x1000
  44 #define IEEE80211_FCTL_MOREDATA         0x2000
  45 #define IEEE80211_FCTL_PROTECTED        0x4000
  46 #define IEEE80211_FCTL_ORDER            0x8000
  47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  48
  49 #define IEEE80211_SCTL_FRAG             0x000F
  50 #define IEEE80211_SCTL_SEQ              0xFFF0
  51
  52 #define IEEE80211_FTYPE_MGMT            0x0000
  53 #define IEEE80211_FTYPE_CTL             0x0004
  54 #define IEEE80211_FTYPE_DATA            0x0008
  55 #define IEEE80211_FTYPE_EXT             0x000c
  56
  57 /* management */
  58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  64 #define IEEE80211_STYPE_BEACON          0x0080
  65 #define IEEE80211_STYPE_ATIM            0x0090
  66 #define IEEE80211_STYPE_DISASSOC        0x00A0
  67 #define IEEE80211_STYPE_AUTH            0x00B0
  68 #define IEEE80211_STYPE_DEAUTH          0x00C0
  69 #define IEEE80211_STYPE_ACTION          0x00D0
  70
  71 /* control */
  72 #define IEEE80211_STYPE_CTL_EXT         0x0060
  73 #define IEEE80211_STYPE_BACK_REQ        0x0080
  74 #define IEEE80211_STYPE_BACK            0x0090
  75 #define IEEE80211_STYPE_PSPOLL          0x00A0
  76 #define IEEE80211_STYPE_RTS             0x00B0
  77 #define IEEE80211_STYPE_CTS             0x00C0
  78 #define IEEE80211_STYPE_ACK             0x00D0
  79 #define IEEE80211_STYPE_CFEND           0x00E0
  80 #define IEEE80211_STYPE_CFENDACK        0x00F0
  81
  82 /* data */
  83 #define IEEE80211_STYPE_DATA                    0x0000
  84 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  85 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  86 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  87 #define IEEE80211_STYPE_NULLFUNC                0x0040
  88 #define IEEE80211_STYPE_CFACK                   0x0050
  89 #define IEEE80211_STYPE_CFPOLL                  0x0060
  90 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  91 #define IEEE80211_STYPE_QOS_DATA                0x0080
  92 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  95 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  96 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  97 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  98 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
  99
 100 /* extension, added by 802.11ad */
 101 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 102
 103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 104 #define IEEE80211_CTL_EXT_POLL          0x2000
 105 #define IEEE80211_CTL_EXT_SPR           0x3000
 106 #define IEEE80211_CTL_EXT_GRANT 0x4000
 107 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 108 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 109 #define IEEE80211_CTL_EXT_SSW           0x8000
 110 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 111 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 112
 113
 114 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 115 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 116 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 117
 118 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 119 {
 120         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 121 }
 122
 123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 124 {
 125         return (sn1 + sn2) & IEEE80211_SN_MASK;
 126 }
 127
 128 static inline u16 ieee80211_sn_inc(u16 sn)
 129 {
 130         return ieee80211_sn_add(sn, 1);
 131 }
 132
 133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 134 {
 135         return (sn1 - sn2) & IEEE80211_SN_MASK;
 136 }
 137
 138 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 139 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 140
 141 /* miscellaneous IEEE 802.11 constants */
 142 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 143 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 144 #define IEEE80211_MAX_AID               2007
 145 #define IEEE80211_MAX_TIM_LEN           251
 146 #define IEEE80211_MAX_MESH_PEERINGS     63
 147 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 148    6.2.1.1.2.
 149
 150    802.11e clarifies the figure in section 7.1.2. The frame body is
 151    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 152 #define IEEE80211_MAX_DATA_LEN          2304
 153 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 154  * to 7920 bytes, see 8.2.3 General frame format
 155  */
 156 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 157 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 158 #define IEEE80211_MAX_FRAME_LEN         2352
 159
 160 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 161 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 162
 163 /* Maximal size of an A-MSDU */
 164 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 165 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 166
 167 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 168 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 169 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 170
 171 #define IEEE80211_MAX_SSID_LEN          32
 172
 173 #define IEEE80211_MAX_MESH_ID_LEN       32
 174
 175 #define IEEE80211_FIRST_TSPEC_TSID      8
 176 #define IEEE80211_NUM_TIDS              16
 177
 178 /* number of user priorities 802.11 uses */
 179 #define IEEE80211_NUM_UPS               8
 180 /* number of ACs */
 181 #define IEEE80211_NUM_ACS               4
 182
 183 #define IEEE80211_QOS_CTL_LEN           2
 184 /* 1d tag mask */
 185 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 186 /* TID mask */
 187 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 188 /* EOSP */
 189 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 190 /* ACK policy */
 191 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 192 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 193 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 194 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 195 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 196 /* A-MSDU 802.11n */
 197 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 198 /* Mesh Control 802.11s */
 199 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 200
 201 /* U-APSD queue for WMM IEs sent by AP */
 202 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 203 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 204
 205 /* U-APSD queues for WMM IEs sent by STA */
 206 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 207 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 208 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 209 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 210 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 211
 212 /* U-APSD max SP length for WMM IEs sent by STA */
 213 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 214 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 215 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 216 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 219
 220 #define IEEE80211_HT_CTL_LEN            4
 221
 222 struct ieee80211_hdr {
 223         __le16 frame_control;
 224         __le16 duration_id;
 225         u8 addr1[6];
 226         u8 addr2[6];
 227         u8 addr3[6];
 228         __le16 seq_ctrl;
 229         u8 addr4[6];
 230 } __packed __aligned(2);
 231
 232 struct ieee80211_hdr_3addr {
 233         __le16 frame_control;
 234         __le16 duration_id;
 235         u8 addr1[6];
 236         u8 addr2[6];
 237         u8 addr3[6];
 238         __le16 seq_ctrl;
 239 } __packed __aligned(2);
 240
 241 struct ieee80211_qos_hdr {
 242         __le16 frame_control;
 243         __le16 duration_id;
 244         u8 addr1[6];
 245         u8 addr2[6];
 246         u8 addr3[6];
 247         __le16 seq_ctrl;
 248         __le16 qos_ctrl;
 249 } __packed __aligned(2);
 250
 251 /**
 252  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 253  * @fc: frame control bytes in little-endian byteorder
 254  */
 255 static inline bool ieee80211_has_tods(__le16 fc)
 256 {
 257         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 258 }
 259
 260 /**
 261  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 262  * @fc: frame control bytes in little-endian byteorder
 263  */
 264 static inline bool ieee80211_has_fromds(__le16 fc)
 265 {
 266         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 267 }
 268
 269 /**
 270  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 271  * @fc: frame control bytes in little-endian byteorder
 272  */
 273 static inline bool ieee80211_has_a4(__le16 fc)
 274 {
 275         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 276         return (fc & tmp) == tmp;
 277 }
 278
 279 /**
 280  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 281  * @fc: frame control bytes in little-endian byteorder
 282  */
 283 static inline bool ieee80211_has_morefrags(__le16 fc)
 284 {
 285         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 286 }
 287
 288 /**
 289  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 290  * @fc: frame control bytes in little-endian byteorder
 291  */
 292 static inline bool ieee80211_has_retry(__le16 fc)
 293 {
 294         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 295 }
 296
 297 /**
 298  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 299  * @fc: frame control bytes in little-endian byteorder
 300  */
 301 static inline bool ieee80211_has_pm(__le16 fc)
 302 {
 303         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 304 }
 305
 306 /**
 307  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 308  * @fc: frame control bytes in little-endian byteorder
 309  */
 310 static inline bool ieee80211_has_moredata(__le16 fc)
 311 {
 312         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 313 }
 314
 315 /**
 316  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 317  * @fc: frame control bytes in little-endian byteorder
 318  */
 319 static inline bool ieee80211_has_protected(__le16 fc)
 320 {
 321         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 322 }
 323
 324 /**
 325  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 326  * @fc: frame control bytes in little-endian byteorder
 327  */
 328 static inline bool ieee80211_has_order(__le16 fc)
 329 {
 330         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 331 }
 332
 333 /**
 334  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 335  * @fc: frame control bytes in little-endian byteorder
 336  */
 337 static inline bool ieee80211_is_mgmt(__le16 fc)
 338 {
 339         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 340                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 341 }
 342
 343 /**
 344  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 345  * @fc: frame control bytes in little-endian byteorder
 346  */
 347 static inline bool ieee80211_is_ctl(__le16 fc)
 348 {
 349         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 350                cpu_to_le16(IEEE80211_FTYPE_CTL);
 351 }
 352
 353 /**
 354  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 355  * @fc: frame control bytes in little-endian byteorder
 356  */
 357 static inline bool ieee80211_is_data(__le16 fc)
 358 {
 359         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 360                cpu_to_le16(IEEE80211_FTYPE_DATA);
 361 }
 362
 363 /**
 364  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 365  * @fc: frame control bytes in little-endian byteorder
 366  */
 367 static inline bool ieee80211_is_data_qos(__le16 fc)
 368 {
 369         /*
 370          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 371          * to check the one bit
 372          */
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 374                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 375 }
 376
 377 /**
 378  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_is_data_present(__le16 fc)
 382 {
 383         /*
 384          * mask with 0x40 and test that that bit is clear to only return true
 385          * for the data-containing substypes.
 386          */
 387         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 388                cpu_to_le16(IEEE80211_FTYPE_DATA);
 389 }
 390
 391 /**
 392  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_is_assoc_req(__le16 fc)
 396 {
 397         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 398                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 399 }
 400
 401 /**
 402  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 403  * @fc: frame control bytes in little-endian byteorder
 404  */
 405 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 406 {
 407         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 408                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 409 }
 410
 411 /**
 412  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 413  * @fc: frame control bytes in little-endian byteorder
 414  */
 415 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 416 {
 417         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 418                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 419 }
 420
 421 /**
 422  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 423  * @fc: frame control bytes in little-endian byteorder
 424  */
 425 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 426 {
 427         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 428                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 429 }
 430
 431 /**
 432  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 433  * @fc: frame control bytes in little-endian byteorder
 434  */
 435 static inline bool ieee80211_is_probe_req(__le16 fc)
 436 {
 437         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 438                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 439 }
 440
 441 /**
 442  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 443  * @fc: frame control bytes in little-endian byteorder
 444  */
 445 static inline bool ieee80211_is_probe_resp(__le16 fc)
 446 {
 447         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 448                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 449 }
 450
 451 /**
 452  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 453  * @fc: frame control bytes in little-endian byteorder
 454  */
 455 static inline bool ieee80211_is_beacon(__le16 fc)
 456 {
 457         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 458                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 459 }
 460
 461 /**
 462  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 463  * @fc: frame control bytes in little-endian byteorder
 464  */
 465 static inline bool ieee80211_is_atim(__le16 fc)
 466 {
 467         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 468                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 469 }
 470
 471 /**
 472  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 473  * @fc: frame control bytes in little-endian byteorder
 474  */
 475 static inline bool ieee80211_is_disassoc(__le16 fc)
 476 {
 477         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 478                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 479 }
 480
 481 /**
 482  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 483  * @fc: frame control bytes in little-endian byteorder
 484  */
 485 static inline bool ieee80211_is_auth(__le16 fc)
 486 {
 487         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 488                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 489 }
 490
 491 /**
 492  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 493  * @fc: frame control bytes in little-endian byteorder
 494  */
 495 static inline bool ieee80211_is_deauth(__le16 fc)
 496 {
 497         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 498                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 499 }
 500
 501 /**
 502  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 503  * @fc: frame control bytes in little-endian byteorder
 504  */
 505 static inline bool ieee80211_is_action(__le16 fc)
 506 {
 507         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 508                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 509 }
 510
 511 /**
 512  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 513  * @fc: frame control bytes in little-endian byteorder
 514  */
 515 static inline bool ieee80211_is_back_req(__le16 fc)
 516 {
 517         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 518                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 519 }
 520
 521 /**
 522  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 523  * @fc: frame control bytes in little-endian byteorder
 524  */
 525 static inline bool ieee80211_is_back(__le16 fc)
 526 {
 527         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 528                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 529 }
 530
 531 /**
 532  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 533  * @fc: frame control bytes in little-endian byteorder
 534  */
 535 static inline bool ieee80211_is_pspoll(__le16 fc)
 536 {
 537         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 538                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 539 }
 540
 541 /**
 542  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 543  * @fc: frame control bytes in little-endian byteorder
 544  */
 545 static inline bool ieee80211_is_rts(__le16 fc)
 546 {
 547         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 548                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 549 }
 550
 551 /**
 552  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 553  * @fc: frame control bytes in little-endian byteorder
 554  */
 555 static inline bool ieee80211_is_cts(__le16 fc)
 556 {
 557         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 558                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 559 }
 560
 561 /**
 562  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 563  * @fc: frame control bytes in little-endian byteorder
 564  */
 565 static inline bool ieee80211_is_ack(__le16 fc)
 566 {
 567         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 568                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 569 }
 570
 571 /**
 572  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 573  * @fc: frame control bytes in little-endian byteorder
 574  */
 575 static inline bool ieee80211_is_cfend(__le16 fc)
 576 {
 577         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 578                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 579 }
 580
 581 /**
 582  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 583  * @fc: frame control bytes in little-endian byteorder
 584  */
 585 static inline bool ieee80211_is_cfendack(__le16 fc)
 586 {
 587         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 588                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 589 }
 590
 591 /**
 592  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 593  * @fc: frame control bytes in little-endian byteorder
 594  */
 595 static inline bool ieee80211_is_nullfunc(__le16 fc)
 596 {
 597         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 598                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 599 }
 600
 601 /**
 602  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 603  * @fc: frame control bytes in little-endian byteorder
 604  */
 605 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 606 {
 607         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 608                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 609 }
 610
 611 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 612 {
 613         unsigned int hdrlen = 24;
 614
 615         if (ieee80211_has_a4(fc))
 616                 hdrlen = 30;
 617
 618         if (ieee80211_is_data_qos(fc)) {
 619                 hdrlen += IEEE80211_QOS_CTL_LEN;
 620                 if (ieee80211_has_order(fc))
 621                         hdrlen += IEEE80211_HT_CTL_LEN;
 622         }
 623
 624         return hdrlen;
 625 }
 626
 627 /**
 628  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 629  * @fc: frame control bytes in little-endian byteorder
 630  */
 631 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 632 {
 633         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 634 }
 635
 636 /**
 637  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 638  * @fc: frame control field in little-endian byteorder
 639  */
 640 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 641 {
 642         /* IEEE 802.11-2012, definition of "bufferable management frame";
 643          * note that this ignores the IBSS special case. */
 644         return ieee80211_is_mgmt(fc) &&
 645                (ieee80211_is_action(fc) ||
 646                 ieee80211_is_disassoc(fc) ||
 647                 ieee80211_is_deauth(fc));
 648 }
 649
 650 /**
 651  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 652  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 653  */
 654 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 655 {
 656         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 657 }
 658
 659 /**
 660  * ieee80211_is_frag - check if a frame is a fragment
 661  * @hdr: 802.11 header of the frame
 662  */
 663 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 664 {
 665         return ieee80211_has_morefrags(hdr->frame_control) ||
 666                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 667 }
 668
 669 struct ieee80211s_hdr {
 670         u8 flags;
 671         u8 ttl;
 672         __le32 seqnum;
 673         u8 eaddr1[6];
 674         u8 eaddr2[6];
 675 } __packed __aligned(2);
 676
 677 /* Mesh flags */
 678 #define MESH_FLAGS_AE_A4        0x1
 679 #define MESH_FLAGS_AE_A5_A6     0x2
 680 #define MESH_FLAGS_AE           0x3
 681 #define MESH_FLAGS_PS_DEEP      0x4
 682
 683 /**
 684  * enum ieee80211_preq_flags - mesh PREQ element flags
 685  *
 686  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 687  */
 688 enum ieee80211_preq_flags {
 689         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 690 };
 691
 692 /**
 693  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 694  *
 695  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 696  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 697  */
 698 enum ieee80211_preq_target_flags {
 699         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 700         IEEE80211_PREQ_USN_FLAG = 1<<2,
 701 };
 702
 703 /**
 704  * struct ieee80211_quiet_ie
 705  *
 706  * This structure refers to "Quiet information element"
 707  */
 708 struct ieee80211_quiet_ie {
 709         u8 count;
 710         u8 period;
 711         __le16 duration;
 712         __le16 offset;
 713 } __packed;
 714
 715 /**
 716  * struct ieee80211_msrment_ie
 717  *
 718  * This structure refers to "Measurement Request/Report information element"
 719  */
 720 struct ieee80211_msrment_ie {
 721         u8 token;
 722         u8 mode;
 723         u8 type;
 724         u8 request[0];
 725 } __packed;
 726
 727 /**
 728  * struct ieee80211_channel_sw_ie
 729  *
 730  * This structure refers to "Channel Switch Announcement information element"
 731  */
 732 struct ieee80211_channel_sw_ie {
 733         u8 mode;
 734         u8 new_ch_num;
 735         u8 count;
 736 } __packed;
 737
 738 /**
 739  * struct ieee80211_ext_chansw_ie
 740  *
 741  * This structure represents the "Extended Channel Switch Announcement element"
 742  */
 743 struct ieee80211_ext_chansw_ie {
 744         u8 mode;
 745         u8 new_operating_class;
 746         u8 new_ch_num;
 747         u8 count;
 748 } __packed;
 749
 750 /**
 751  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 752  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 753  *      values here
 754  * This structure represents the "Secondary Channel Offset element"
 755  */
 756 struct ieee80211_sec_chan_offs_ie {
 757         u8 sec_chan_offs;
 758 } __packed;
 759
 760 /**
 761  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 762  *
 763  * This structure represents the "Mesh Channel Switch Paramters element"
 764  */
 765 struct ieee80211_mesh_chansw_params_ie {
 766         u8 mesh_ttl;
 767         u8 mesh_flags;
 768         __le16 mesh_reason;
 769         __le16 mesh_pre_value;
 770 } __packed;
 771
 772 /**
 773  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 774  */
 775 struct ieee80211_wide_bw_chansw_ie {
 776         u8 new_channel_width;
 777         u8 new_center_freq_seg0, new_center_freq_seg1;
 778 } __packed;
 779
 780 /**
 781  * struct ieee80211_tim
 782  *
 783  * This structure refers to "Traffic Indication Map information element"
 784  */
 785 struct ieee80211_tim_ie {
 786         u8 dtim_count;
 787         u8 dtim_period;
 788         u8 bitmap_ctrl;
 789         /* variable size: 1 - 251 bytes */
 790         u8 virtual_map[1];
 791 } __packed;
 792
 793 /**
 794  * struct ieee80211_meshconf_ie
 795  *
 796  * This structure refers to "Mesh Configuration information element"
 797  */
 798 struct ieee80211_meshconf_ie {
 799         u8 meshconf_psel;
 800         u8 meshconf_pmetric;
 801         u8 meshconf_congest;
 802         u8 meshconf_synch;
 803         u8 meshconf_auth;
 804         u8 meshconf_form;
 805         u8 meshconf_cap;
 806 } __packed;
 807
 808 /**
 809  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 810  *
 811  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 812  *      additional mesh peerings with other mesh STAs
 813  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 814  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 815  *      is ongoing
 816  */
 817 enum mesh_config_capab_flags {
 818         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 819         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 820         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 821 };
 822
 823 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 824
 825 /**
 826  * mesh channel switch parameters element's flag indicator
 827  *
 828  */
 829 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 830 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 831 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 832
 833 /**
 834  * struct ieee80211_rann_ie
 835  *
 836  * This structure refers to "Root Announcement information element"
 837  */
 838 struct ieee80211_rann_ie {
 839         u8 rann_flags;
 840         u8 rann_hopcount;
 841         u8 rann_ttl;
 842         u8 rann_addr[6];
 843         __le32 rann_seq;
 844         __le32 rann_interval;
 845         __le32 rann_metric;
 846 } __packed;
 847
 848 enum ieee80211_rann_flags {
 849         RANN_FLAG_IS_GATE = 1 << 0,
 850 };
 851
 852 enum ieee80211_ht_chanwidth_values {
 853         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 854         IEEE80211_HT_CHANWIDTH_ANY = 1,
 855 };
 856
 857 /**
 858  * enum ieee80211_opmode_bits - VHT operating mode field bits
 859  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 860  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 861  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 862  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 863  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 864  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
 865  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 866  *      (the NSS value is the value of this field + 1)
 867  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 868  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 869  *      using a beamforming steering matrix
 870  */
 871 enum ieee80211_vht_opmode_bits {
 872         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
 873         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 874         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 875         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 876         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 877         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
 878         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 879         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 880         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 881 };
 882
 883 #define WLAN_SA_QUERY_TR_ID_LEN 2
 884 #define WLAN_MEMBERSHIP_LEN 8
 885 #define WLAN_USER_POSITION_LEN 16
 886
 887 /**
 888  * struct ieee80211_tpc_report_ie
 889  *
 890  * This structure refers to "TPC Report element"
 891  */
 892 struct ieee80211_tpc_report_ie {
 893         u8 tx_power;
 894         u8 link_margin;
 895 } __packed;
 896
 897 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
 898 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
 899 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
 900
 901 struct ieee80211_addba_ext_ie {
 902         u8 data;
 903 } __packed;
 904
 905 struct ieee80211_mgmt {
 906         __le16 frame_control;
 907         __le16 duration;
 908         u8 da[6];
 909         u8 sa[6];
 910         u8 bssid[6];
 911         __le16 seq_ctrl;
 912         union {
 913                 struct {
 914                         __le16 auth_alg;
 915                         __le16 auth_transaction;
 916                         __le16 status_code;
 917                         /* possibly followed by Challenge text */
 918                         u8 variable[0];
 919                 } __packed __aligned(4) auth;
 920                 struct {
 921                         __le16 reason_code;
 922                 } __packed __aligned(4) deauth;
 923                 struct {
 924                         __le16 capab_info;
 925                         __le16 listen_interval;
 926                         /* followed by SSID and Supported rates */
 927                         u8 variable[0];
 928                 } __packed __aligned(4) assoc_req;
 929                 struct {
 930                         __le16 capab_info;
 931                         __le16 status_code;
 932                         __le16 aid;
 933                         /* followed by Supported rates */
 934                         u8 variable[0];
 935                 } __packed __aligned(4) assoc_resp, reassoc_resp;
 936                 struct {
 937                         __le16 capab_info;
 938                         __le16 listen_interval;
 939                         u8 current_ap[6];
 940                         /* followed by SSID and Supported rates */
 941                         u8 variable[0];
 942                 } __packed __aligned(4) reassoc_req;
 943                 struct {
 944                         __le16 reason_code;
 945                 } __packed __aligned(4) disassoc;
 946                 struct {
 947                         __le64 timestamp;
 948                         __le16 beacon_int;
 949                         __le16 capab_info;
 950                         /* followed by some of SSID, Supported rates,
 951                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 952                         u8 variable[0];
 953                 } __packed __aligned(4) beacon;
 954                 struct {
 955                         /* only variable items: SSID, Supported rates */
 956                         u8 variable[0];
 957                 } __packed __aligned(4) probe_req;
 958                 struct {
 959                         __le64 timestamp;
 960                         __le16 beacon_int;
 961                         __le16 capab_info;
 962                         /* followed by some of SSID, Supported rates,
 963                          * FH Params, DS Params, CF Params, IBSS Params */
 964                         u8 variable[0];
 965                 } __packed __aligned(4) probe_resp;
 966                 struct {
 967                         u8 category;
 968                         union {
 969                                 struct {
 970                                         u8 action_code;
 971                                         u8 dialog_token;
 972                                         u8 status_code;
 973                                         u8 variable[0];
 974                                 } __packed wme_action;
 975                                 struct{
 976                                         u8 action_code;
 977                                         u8 variable[0];
 978                                 } __packed chan_switch;
 979                                 struct{
 980                                         u8 action_code;
 981                                         struct ieee80211_ext_chansw_ie data;
 982                                         u8 variable[0];
 983                                 } __packed ext_chan_switch;
 984                                 struct{
 985                                         u8 action_code;
 986                                         u8 dialog_token;
 987                                         u8 element_id;
 988                                         u8 length;
 989                                         struct ieee80211_msrment_ie msr_elem;
 990                                 } __packed measurement;
 991                                 struct{
 992                                         u8 action_code;
 993                                         u8 dialog_token;
 994                                         __le16 capab;
 995                                         __le16 timeout;
 996                                         __le16 start_seq_num;
 997                                         /* followed by BA Extension */
 998                                         u8 variable[0];
 999                                 } __packed addba_req;
1000                                 struct{
1001                                         u8 action_code;
1002                                         u8 dialog_token;
1003                                         __le16 status;
1004                                         __le16 capab;
1005                                         __le16 timeout;
1006                                 } __packed addba_resp;
1007                                 struct{
1008                                         u8 action_code;
1009                                         __le16 params;
1010                                         __le16 reason_code;
1011                                 } __packed delba;
1012                                 struct {
1013                                         u8 action_code;
1014                                         u8 variable[0];
1015                                 } __packed self_prot;
1016                                 struct{
1017                                         u8 action_code;
1018                                         u8 variable[0];
1019                                 } __packed mesh_action;
1020                                 struct {
1021                                         u8 action;
1022                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1023                                 } __packed sa_query;
1024                                 struct {
1025                                         u8 action;
1026                                         u8 smps_control;
1027                                 } __packed ht_smps;
1028                                 struct {
1029                                         u8 action_code;
1030                                         u8 chanwidth;
1031                                 } __packed ht_notify_cw;
1032                                 struct {
1033                                         u8 action_code;
1034                                         u8 dialog_token;
1035                                         __le16 capability;
1036                                         u8 variable[0];
1037                                 } __packed tdls_discover_resp;
1038                                 struct {
1039                                         u8 action_code;
1040                                         u8 operating_mode;
1041                                 } __packed vht_opmode_notif;
1042                                 struct {
1043                                         u8 action_code;
1044                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1045                                         u8 position[WLAN_USER_POSITION_LEN];
1046                                 } __packed vht_group_notif;
1047                                 struct {
1048                                         u8 action_code;
1049                                         u8 dialog_token;
1050                                         u8 tpc_elem_id;
1051                                         u8 tpc_elem_length;
1052                                         struct ieee80211_tpc_report_ie tpc;
1053                                 } __packed tpc_report;
1054                                 struct {
1055                                         u8 action_code;
1056                                         u8 dialog_token;
1057                                         u8 follow_up;
1058                                         u8 tod[6];
1059                                         u8 toa[6];
1060                                         __le16 tod_error;
1061                                         __le16 toa_error;
1062                                         u8 variable[0];
1063                                 } __packed ftm;
1064                         } u;
1065                 } __packed __aligned(4) action;
1066         } u __aligned(2);
1067 } __packed __aligned(2);
1068
1069 /* Supported rates membership selectors */
1070 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1071 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1072 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1073
1074 /* mgmt header + 1 byte category code */
1075 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1076
1077
1078 /* Management MIC information element (IEEE 802.11w) */
1079 struct ieee80211_mmie {
1080         u8 element_id;
1081         u8 length;
1082         __le16 key_id;
1083         u8 sequence_number[6];
1084         u8 mic[8];
1085 } __packed;
1086
1087 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1088 struct ieee80211_mmie_16 {
1089         u8 element_id;
1090         u8 length;
1091         __le16 key_id;
1092         u8 sequence_number[6];
1093         u8 mic[16];
1094 } __packed;
1095
1096 struct ieee80211_vendor_ie {
1097         u8 element_id;
1098         u8 len;
1099         u8 oui[3];
1100         u8 oui_type;
1101 } __packed;
1102
1103 struct ieee80211_wmm_ac_param {
1104         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1105         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1106         __le16 txop_limit;
1107 } __packed;
1108
1109 struct ieee80211_wmm_param_ie {
1110         u8 element_id; /* Element ID: 221 (0xdd); */
1111         u8 len; /* Length: 24 */
1112         /* required fields for WMM version 1 */
1113         u8 oui[3]; /* 00:50:f2 */
1114         u8 oui_type; /* 2 */
1115         u8 oui_subtype; /* 1 */
1116         u8 version; /* 1 for WMM version 1.0 */
1117         u8 qos_info; /* AP/STA specific QoS info */
1118         u8 reserved; /* 0 */
1119         /* AC_BE, AC_BK, AC_VI, AC_VO */
1120         struct ieee80211_wmm_ac_param ac[4];
1121 } __packed;
1122
1123 /* Control frames */
1124 struct ieee80211_rts {
1125         __le16 frame_control;
1126         __le16 duration;
1127         u8 ra[6];
1128         u8 ta[6];
1129 } __packed __aligned(2);
1130
1131 struct ieee80211_cts {
1132         __le16 frame_control;
1133         __le16 duration;
1134         u8 ra[6];
1135 } __packed __aligned(2);
1136
1137 struct ieee80211_pspoll {
1138         __le16 frame_control;
1139         __le16 aid;
1140         u8 bssid[6];
1141         u8 ta[6];
1142 } __packed __aligned(2);
1143
1144 /* TDLS */
1145
1146 /* Channel switch timing */
1147 struct ieee80211_ch_switch_timing {
1148         __le16 switch_time;
1149         __le16 switch_timeout;
1150 } __packed;
1151
1152 /* Link-id information element */
1153 struct ieee80211_tdls_lnkie {
1154         u8 ie_type; /* Link Identifier IE */
1155         u8 ie_len;
1156         u8 bssid[6];
1157         u8 init_sta[6];
1158         u8 resp_sta[6];
1159 } __packed;
1160
1161 struct ieee80211_tdls_data {
1162         u8 da[6];
1163         u8 sa[6];
1164         __be16 ether_type;
1165         u8 payload_type;
1166         u8 category;
1167         u8 action_code;
1168         union {
1169                 struct {
1170                         u8 dialog_token;
1171                         __le16 capability;
1172                         u8 variable[0];
1173                 } __packed setup_req;
1174                 struct {
1175                         __le16 status_code;
1176                         u8 dialog_token;
1177                         __le16 capability;
1178                         u8 variable[0];
1179                 } __packed setup_resp;
1180                 struct {
1181                         __le16 status_code;
1182                         u8 dialog_token;
1183                         u8 variable[0];
1184                 } __packed setup_cfm;
1185                 struct {
1186                         __le16 reason_code;
1187                         u8 variable[0];
1188                 } __packed teardown;
1189                 struct {
1190                         u8 dialog_token;
1191                         u8 variable[0];
1192                 } __packed discover_req;
1193                 struct {
1194                         u8 target_channel;
1195                         u8 oper_class;
1196                         u8 variable[0];
1197                 } __packed chan_switch_req;
1198                 struct {
1199                         __le16 status_code;
1200                         u8 variable[0];
1201                 } __packed chan_switch_resp;
1202         } u;
1203 } __packed;
1204
1205 /*
1206  * Peer-to-Peer IE attribute related definitions.
1207  */
1208 /**
1209  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1210  */
1211 enum ieee80211_p2p_attr_id {
1212         IEEE80211_P2P_ATTR_STATUS = 0,
1213         IEEE80211_P2P_ATTR_MINOR_REASON,
1214         IEEE80211_P2P_ATTR_CAPABILITY,
1215         IEEE80211_P2P_ATTR_DEVICE_ID,
1216         IEEE80211_P2P_ATTR_GO_INTENT,
1217         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1218         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1219         IEEE80211_P2P_ATTR_GROUP_BSSID,
1220         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1221         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1222         IEEE80211_P2P_ATTR_MANAGABILITY,
1223         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1224         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1225         IEEE80211_P2P_ATTR_DEVICE_INFO,
1226         IEEE80211_P2P_ATTR_GROUP_INFO,
1227         IEEE80211_P2P_ATTR_GROUP_ID,
1228         IEEE80211_P2P_ATTR_INTERFACE,
1229         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1230         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1231         /* 19 - 220: Reserved */
1232         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1233
1234         IEEE80211_P2P_ATTR_MAX
1235 };
1236
1237 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1238 /* Typical max value used here */
1239 #define IEEE80211_P2P_NOA_DESC_MAX      4
1240
1241 struct ieee80211_p2p_noa_desc {
1242         u8 count;
1243         __le32 duration;
1244         __le32 interval;
1245         __le32 start_time;
1246 } __packed;
1247
1248 struct ieee80211_p2p_noa_attr {
1249         u8 index;
1250         u8 oppps_ctwindow;
1251         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1252 } __packed;
1253
1254 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1255 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1256
1257 /**
1258  * struct ieee80211_bar - HT Block Ack Request
1259  *
1260  * This structure refers to "HT BlockAckReq" as
1261  * described in 802.11n draft section 7.2.1.7.1
1262  */
1263 struct ieee80211_bar {
1264         __le16 frame_control;
1265         __le16 duration;
1266         __u8 ra[6];
1267         __u8 ta[6];
1268         __le16 control;
1269         __le16 start_seq_num;
1270 } __packed __aligned(2);
1271
1272 /* 802.11 BA(R) control masks */
1273 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1274 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1275 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1276 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1277 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1278
1279 /**
1280  * struct ieee80211_ba - HT Block Ack
1281  *
1282  * This structure refers to "HT BlockAck" as
1283  * described in 802.11n draft section 7.2.1.8.1
1284  */
1285 struct ieee80211_ba {
1286         __le16 frame_control;
1287         __le16 duration;
1288         u8 ra[6];
1289         u8 ta[6];
1290         __le16 control;
1291
1292         __le16 start_seq_num;
1293         u8 bitmap[8];
1294 } __packed;
1295
1296 #define IEEE80211_HT_MCS_MASK_LEN               10
1297
1298 /**
1299  * struct ieee80211_mcs_info - MCS information
1300  * @rx_mask: RX mask
1301  * @rx_highest: highest supported RX rate. If set represents
1302  *      the highest supported RX data rate in units of 1 Mbps.
1303  *      If this field is 0 this value should not be used to
1304  *      consider the highest RX data rate supported.
1305  * @tx_params: TX parameters
1306  */
1307 struct ieee80211_mcs_info {
1308         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1309         __le16 rx_highest;
1310         u8 tx_params;
1311         u8 reserved[3];
1312 } __packed;
1313
1314 /* 802.11n HT capability MSC set */
1315 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1316 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1317 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1318 /* value 0 == 1 stream etc */
1319 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1320 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1321 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1322 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1323
1324 /*
1325  * 802.11n D5.0 20.3.5 / 20.6 says:
1326  * - indices 0 to 7 and 32 are single spatial stream
1327  * - 8 to 31 are multiple spatial streams using equal modulation
1328  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1329  * - remainder are multiple spatial streams using unequal modulation
1330  */
1331 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1332 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1333         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1334
1335 /**
1336  * struct ieee80211_ht_cap - HT capabilities
1337  *
1338  * This structure is the "HT capabilities element" as
1339  * described in 802.11n D5.0 7.3.2.57
1340  */
1341 struct ieee80211_ht_cap {
1342         __le16 cap_info;
1343         u8 ampdu_params_info;
1344
1345         /* 16 bytes MCS information */
1346         struct ieee80211_mcs_info mcs;
1347
1348         __le16 extended_ht_cap_info;
1349         __le32 tx_BF_cap_info;
1350         u8 antenna_selection_info;
1351 } __packed;
1352
1353 /* 802.11n HT capabilities masks (for cap_info) */
1354 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1355 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1356 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1357 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1358 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1359 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1360 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1361 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1362 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1363 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1364 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1365 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1366 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1367 #define IEEE80211_HT_CAP_RESERVED               0x2000
1368 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1369 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1370
1371 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1372 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1373 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1374 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1375 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1376 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1377 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1378 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1379
1380 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1381 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1382 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1383 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1384
1385 /*
1386  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1387  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1388  */
1389 enum ieee80211_max_ampdu_length_exp {
1390         IEEE80211_HT_MAX_AMPDU_8K = 0,
1391         IEEE80211_HT_MAX_AMPDU_16K = 1,
1392         IEEE80211_HT_MAX_AMPDU_32K = 2,
1393         IEEE80211_HT_MAX_AMPDU_64K = 3
1394 };
1395
1396 /*
1397  * Maximum length of AMPDU that the STA can receive in VHT.
1398  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1399  */
1400 enum ieee80211_vht_max_ampdu_length_exp {
1401         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1402         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1403         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1404         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1405         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1406         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1407         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1408         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1409 };
1410
1411 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1412
1413 /* Minimum MPDU start spacing */
1414 enum ieee80211_min_mpdu_spacing {
1415         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1416         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1417         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1418         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1419         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1420         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1421         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1422         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1423 };
1424
1425 /**
1426  * struct ieee80211_ht_operation - HT operation IE
1427  *
1428  * This structure is the "HT operation element" as
1429  * described in 802.11n-2009 7.3.2.57
1430  */
1431 struct ieee80211_ht_operation {
1432         u8 primary_chan;
1433         u8 ht_param;
1434         __le16 operation_mode;
1435         __le16 stbc_param;
1436         u8 basic_set[16];
1437 } __packed;
1438
1439 /* for ht_param */
1440 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1441 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1442 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1443 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1444 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1445 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1446
1447 /* for operation_mode */
1448 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1449 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1450 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1451 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1452 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1453 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1454 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1455 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1456 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1457
1458 /* for stbc_param */
1459 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1460 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1461 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1462 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1463 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1464 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1465
1466
1467 /* block-ack parameters */
1468 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1469 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1470 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1471 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1472 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1473 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1474
1475 /*
1476  * A-MPDU buffer sizes
1477  * According to HT size varies from 8 to 64 frames
1478  * HE adds the ability to have up to 256 frames.
1479  */
1480 #define IEEE80211_MIN_AMPDU_BUF         0x8
1481 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1482 #define IEEE80211_MAX_AMPDU_BUF         0x100
1483
1484
1485 /* Spatial Multiplexing Power Save Modes (for capability) */
1486 #define WLAN_HT_CAP_SM_PS_STATIC        0
1487 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1488 #define WLAN_HT_CAP_SM_PS_INVALID       2
1489 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1490
1491 /* for SM power control field lower two bits */
1492 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1493 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1494 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1495
1496 /**
1497  * struct ieee80211_vht_mcs_info - VHT MCS information
1498  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1499  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1500  *      STA can receive. Rate expressed in units of 1 Mbps.
1501  *      If this field is 0 this value should not be used to
1502  *      consider the highest RX data rate supported.
1503  *      The top 3 bits of this field indicate the Maximum NSTS,total
1504  *      (a beamformee capability.)
1505  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1506  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1507  *      STA can transmit. Rate expressed in units of 1 Mbps.
1508  *      If this field is 0 this value should not be used to
1509  *      consider the highest TX data rate supported.
1510  *      The top 2 bits of this field are reserved, the
1511  *      3rd bit from the top indiciates VHT Extended NSS BW
1512  *      Capability.
1513  */
1514 struct ieee80211_vht_mcs_info {
1515         __le16 rx_mcs_map;
1516         __le16 rx_highest;
1517         __le16 tx_mcs_map;
1518         __le16 tx_highest;
1519 } __packed;
1520
1521 /* for rx_highest */
1522 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1523 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1524
1525 /* for tx_highest */
1526 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1527
1528 /**
1529  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1530  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1531  *      number of streams
1532  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1533  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1534  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1535  *
1536  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1537  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1538  * both split into 8 subfields by number of streams. These values indicate
1539  * which MCSes are supported for the number of streams the value appears
1540  * for.
1541  */
1542 enum ieee80211_vht_mcs_support {
1543         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1544         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1545         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1546         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1547 };
1548
1549 /**
1550  * struct ieee80211_vht_cap - VHT capabilities
1551  *
1552  * This structure is the "VHT capabilities element" as
1553  * described in 802.11ac D3.0 8.4.2.160
1554  * @vht_cap_info: VHT capability info
1555  * @supp_mcs: VHT MCS supported rates
1556  */
1557 struct ieee80211_vht_cap {
1558         __le32 vht_cap_info;
1559         struct ieee80211_vht_mcs_info supp_mcs;
1560 } __packed;
1561
1562 /**
1563  * enum ieee80211_vht_chanwidth - VHT channel width
1564  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1565  *      determine the channel width (20 or 40 MHz)
1566  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1567  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1568  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1569  */
1570 enum ieee80211_vht_chanwidth {
1571         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1572         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1573         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1574         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1575 };
1576
1577 /**
1578  * struct ieee80211_vht_operation - VHT operation IE
1579  *
1580  * This structure is the "VHT operation element" as
1581  * described in 802.11ac D3.0 8.4.2.161
1582  * @chan_width: Operating channel width
1583  * @center_freq_seg0_idx: center freq segment 0 index
1584  * @center_freq_seg1_idx: center freq segment 1 index
1585  * @basic_mcs_set: VHT Basic MCS rate set
1586  */
1587 struct ieee80211_vht_operation {
1588         u8 chan_width;
1589         u8 center_freq_seg0_idx;
1590         u8 center_freq_seg1_idx;
1591         __le16 basic_mcs_set;
1592 } __packed;
1593
1594 /**
1595  * struct ieee80211_he_cap_elem - HE capabilities element
1596  *
1597  * This structure is the "HE capabilities element" fixed fields as
1598  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1599  */
1600 struct ieee80211_he_cap_elem {
1601         u8 mac_cap_info[6];
1602         u8 phy_cap_info[11];
1603 } __packed;
1604
1605 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1606
1607 /**
1608  * enum ieee80211_he_mcs_support - HE MCS support definitions
1609  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1610  *      number of streams
1611  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1612  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1613  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1614  *
1615  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1616  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1617  * both split into 8 subfields by number of streams. These values indicate
1618  * which MCSes are supported for the number of streams the value appears
1619  * for.
1620  */
1621 enum ieee80211_he_mcs_support {
1622         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1623         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1624         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1625         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1626 };
1627
1628 /**
1629  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1630  *
1631  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1632  * described in P802.11ax_D2.0 section 9.4.2.237.4
1633  *
1634  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1635  *     widths less than 80MHz.
1636  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1637  *     widths less than 80MHz.
1638  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1639  *     width 160MHz.
1640  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1641  *     width 160MHz.
1642  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1643  *     channel width 80p80MHz.
1644  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1645  *     channel width 80p80MHz.
1646  */
1647 struct ieee80211_he_mcs_nss_supp {
1648         __le16 rx_mcs_80;
1649         __le16 tx_mcs_80;
1650         __le16 rx_mcs_160;
1651         __le16 tx_mcs_160;
1652         __le16 rx_mcs_80p80;
1653         __le16 tx_mcs_80p80;
1654 } __packed;
1655
1656 /**
1657  * struct ieee80211_he_operation - HE capabilities element
1658  *
1659  * This structure is the "HE operation element" fields as
1660  * described in P802.11ax_D4.0 section 9.4.2.243
1661  */
1662 struct ieee80211_he_operation {
1663         __le32 he_oper_params;
1664         __le16 he_mcs_nss_set;
1665         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1666         u8 optional[0];
1667 } __packed;
1668
1669 /**
1670  * struct ieee80211_he_spr - HE spatial reuse element
1671  *
1672  * This structure is the "HE spatial reuse element" element as
1673  * described in P802.11ax_D4.0 section 9.4.2.241
1674  */
1675 struct ieee80211_he_spr {
1676         u8 he_sr_control;
1677         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1678         u8 optional[0];
1679 } __packed;
1680
1681 /**
1682  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1683  *
1684  * This structure is the "MU AC Parameter Record" fields as
1685  * described in P802.11ax_D4.0 section 9.4.2.245
1686  */
1687 struct ieee80211_he_mu_edca_param_ac_rec {
1688         u8 aifsn;
1689         u8 ecw_min_max;
1690         u8 mu_edca_timer;
1691 } __packed;
1692
1693 /**
1694  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1695  *
1696  * This structure is the "MU EDCA Parameter Set element" fields as
1697  * described in P802.11ax_D4.0 section 9.4.2.245
1698  */
1699 struct ieee80211_mu_edca_param_set {
1700         u8 mu_qos_info;
1701         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1702         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1703         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1704         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1705 } __packed;
1706
1707 /* 802.11ac VHT Capabilities */
1708 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1709 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1710 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1711 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1712 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1713 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1714 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1715 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1716 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1717 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1718 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1719 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1720 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1721 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1722 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1723 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1724 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1725 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1726 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1727 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1728 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1729 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1730                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1731 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1732 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1733                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1734 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1735 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1736 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1737 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1738 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1739 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1740                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1741 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1742 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1743 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1744 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1745 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1746 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1747
1748 /**
1749  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1750  * @cap: VHT capabilities of the peer
1751  * @bw: bandwidth to use
1752  * @mcs: MCS index to use
1753  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1754  *      (rate scaling algorithm) can deal with the new logic
1755  *      (dot11VHTExtendedNSSBWCapable)
1756  * @max_vht_nss: current maximum NSS as advertised by the STA in
1757  *      operating mode notification, can be 0 in which case the
1758  *      capability data will be used to derive this (from MCS support)
1759  *
1760  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1761  * vary for a given BW/MCS. This function parses the data.
1762  *
1763  * Note: This function is exported by cfg80211.
1764  */
1765 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1766                               enum ieee80211_vht_chanwidth bw,
1767                               int mcs, bool ext_nss_bw_capable,
1768                               unsigned int max_vht_nss);
1769
1770 /* 802.11ax HE MAC capabilities */
1771 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1772 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1773 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1774 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1775 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1776 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1777 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1778 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1779 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1780 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1781 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1782 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1783 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1784 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1785 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1786 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1787 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1788
1789 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1790 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1791 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1792 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1793 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1794 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1795 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1796 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1797 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1798 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1799 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1800 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1801 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1802 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1803 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1804 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1805 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1806 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1807
1808 /* Link adaptation is split between byte HE_MAC_CAP1 and
1809  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1810  * in which case the following values apply:
1811  * 0 = No feedback.
1812  * 1 = reserved.
1813  * 2 = Unsolicited feedback.
1814  * 3 = both
1815  */
1816 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1817
1818 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1819 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1820 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1821 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1822 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1823 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1824 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1825 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1826
1827 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1828 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1829
1830 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1831  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1832  * same field in the HE capabilities.
1833  */
1834 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1835 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1836 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1837 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1838 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1839 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1840 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1841 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1842
1843 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1844 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1845 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1846 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1847 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1848 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1849 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1850 /* Multi TID agg TX is split between byte #4 and #5
1851  * The value is a combination of B39,B40,B41
1852  */
1853 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1854
1855 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1856 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1857 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1858 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1859 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1860 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1861 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1862 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1863
1864 /* 802.11ax HE PHY capabilities */
1865 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1866 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1867 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1868 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1869 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1870 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1871 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1872
1873 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1874 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1875 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1876 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1877 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1878 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1879 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1880 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1881 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1882 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1883
1884 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1885 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1886 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1887 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1888 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1889 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1890
1891 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1892  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1893  * case it indicates support for Tx.
1894  */
1895 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1896 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1897
1898 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1899 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1900 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1901 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1902 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1903 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1904 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1905 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1906 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1907 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1908 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1909 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1910 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1911 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1912 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1913 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1914
1915 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1916 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1917
1918 /* Minimal allowed value of Max STS under 80MHz is 3 */
1919 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1920 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1921 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1922 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1923 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1924 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1925
1926 /* Minimal allowed value of Max STS above 80MHz is 3 */
1927 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1928 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1929 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1930 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1931 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1932 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1933
1934 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1935 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1936 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1937 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1938 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1939 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1940 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1941 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1942 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1943
1944 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1945 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1946 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1947 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1948 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1949 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1950 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1951 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1952 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1953
1954 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1955 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1956
1957 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1958 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1959 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1960 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1961 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1962 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1963 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1964 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1965
1966 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1967 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1968 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1969 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1970 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1971 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1972 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1973 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1974 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1975 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1976 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1977 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1978 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1979
1980 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1981 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1982 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1983 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1984 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1985 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1986 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1987 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1988 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1989 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1990 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1991
1992 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1993 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1994 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1995 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1996 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1997 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1998 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1999 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
2000 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
2001 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
2002 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
2003
2004 /* 802.11ax HE TX/RX MCS NSS Support  */
2005 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2006 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2007 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2008 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2009 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2010
2011 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2012 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2013         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2014         HIGHEST_MCS_SUPPORTED_MCS8,
2015         HIGHEST_MCS_SUPPORTED_MCS9,
2016         HIGHEST_MCS_SUPPORTED_MCS10,
2017         HIGHEST_MCS_SUPPORTED_MCS11,
2018 };
2019
2020 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2021 static inline u8
2022 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2023 {
2024         u8 count = 4;
2025
2026         if (he_cap->phy_cap_info[0] &
2027             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2028                 count += 4;
2029
2030         if (he_cap->phy_cap_info[0] &
2031             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2032                 count += 4;
2033
2034         return count;
2035 }
2036
2037 /* 802.11ax HE PPE Thresholds */
2038 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2039 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2040 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2041 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2042         (BIT(5) | BIT(6))
2043 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2044 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2045 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2046
2047 /*
2048  * Calculate 802.11ax HE capabilities IE PPE field size
2049  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2050  */
2051 static inline u8
2052 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2053 {
2054         u8 n;
2055
2056         if ((phy_cap_info[6] &
2057              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2058                 return 0;
2059
2060         n = hweight8(ppe_thres_hdr &
2061                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2062         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2063                    IEEE80211_PPE_THRES_NSS_POS));
2064
2065         /*
2066          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2067          * total size.
2068          */
2069         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2070         n = DIV_ROUND_UP(n, 8);
2071
2072         return n;
2073 }
2074
2075 /* HE Operation defines */
2076 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2077 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2078 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2079 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2080 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2081 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2082 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2083 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2084 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2085 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2086 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2087 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2088
2089 /*
2090  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2091  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2092  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2093  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2094  *      validated this.
2095  * @return the actual size of the IE data (not including header), or 0 on error
2096  */
2097 static inline u8
2098 ieee80211_he_oper_size(const u8 *he_oper_ie)
2099 {
2100         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2101         u8 oper_len = sizeof(struct ieee80211_he_operation);
2102         u32 he_oper_params;
2103
2104         /* Make sure the input is not NULL */
2105         if (!he_oper_ie)
2106                 return 0;
2107
2108         /* Calc required length */
2109         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2110         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2111                 oper_len += 3;
2112         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2113                 oper_len++;
2114         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2115                 oper_len += 4;
2116
2117         /* Add the first byte (extension ID) to the total length */
2118         oper_len++;
2119
2120         return oper_len;
2121 }
2122
2123 /* HE Spatial Reuse defines */
2124 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 0x4
2125 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                0x8
2126
2127 /*
2128  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2129  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2130  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2131  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2132  *      this
2133  * @return the actual size of the IE data (not including header), or 0 on error
2134  */
2135 static inline u8
2136 ieee80211_he_spr_size(const u8 *he_spr_ie)
2137 {
2138         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2139         u8 spr_len = sizeof(struct ieee80211_he_spr);
2140         u8 he_spr_params;
2141
2142         /* Make sure the input is not NULL */
2143         if (!he_spr_ie)
2144                 return 0;
2145
2146         /* Calc required length */
2147         he_spr_params = he_spr->he_sr_control;
2148         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2149                 spr_len++;
2150         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2151                 spr_len += 18;
2152
2153         /* Add the first byte (extension ID) to the total length */
2154         spr_len++;
2155
2156         return spr_len;
2157 }
2158
2159 /* Authentication algorithms */
2160 #define WLAN_AUTH_OPEN 0
2161 #define WLAN_AUTH_SHARED_KEY 1
2162 #define WLAN_AUTH_FT 2
2163 #define WLAN_AUTH_SAE 3
2164 #define WLAN_AUTH_FILS_SK 4
2165 #define WLAN_AUTH_FILS_SK_PFS 5
2166 #define WLAN_AUTH_FILS_PK 6
2167 #define WLAN_AUTH_LEAP 128
2168
2169 #define WLAN_AUTH_CHALLENGE_LEN 128
2170
2171 #define WLAN_CAPABILITY_ESS             (1<<0)
2172 #define WLAN_CAPABILITY_IBSS            (1<<1)
2173
2174 /*
2175  * A mesh STA sets the ESS and IBSS capability bits to zero.
2176  * however, this holds true for p2p probe responses (in the p2p_find
2177  * phase) as well.
2178  */
2179 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2180         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2181
2182 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2183 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2184 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2185 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2186 #define WLAN_CAPABILITY_PBCC            (1<<6)
2187 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2188
2189 /* 802.11h */
2190 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2191 #define WLAN_CAPABILITY_QOS             (1<<9)
2192 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2193 #define WLAN_CAPABILITY_APSD            (1<<11)
2194 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2195 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2196 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2197 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2198
2199 /* DMG (60gHz) 802.11ad */
2200 /* type - bits 0..1 */
2201 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2202 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2203 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2204 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2205
2206 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2207 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2208 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2209 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2210
2211 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2212 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2213
2214 /* measurement */
2215 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2216 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2217 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2218
2219 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2220 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2221 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2222 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2223 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2224
2225 /* 802.11g ERP information element */
2226 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2227 #define WLAN_ERP_USE_PROTECTION (1<<1)
2228 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2229
2230 /* WLAN_ERP_BARKER_PREAMBLE values */
2231 enum {
2232         WLAN_ERP_PREAMBLE_SHORT = 0,
2233         WLAN_ERP_PREAMBLE_LONG = 1,
2234 };
2235
2236 /* Band ID, 802.11ad #8.4.1.45 */
2237 enum {
2238         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2239         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2240         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2241         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2242         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2243         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2244 };
2245
2246 /* Status codes */
2247 enum ieee80211_statuscode {
2248         WLAN_STATUS_SUCCESS = 0,
2249         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2250         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2251         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2252         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2253         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2254         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2255         WLAN_STATUS_CHALLENGE_FAIL = 15,
2256         WLAN_STATUS_AUTH_TIMEOUT = 16,
2257         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2258         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2259         /* 802.11b */
2260         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2261         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2262         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2263         /* 802.11h */
2264         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2265         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2266         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2267         /* 802.11g */
2268         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2269         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2270         /* 802.11w */
2271         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2272         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2273         /* 802.11i */
2274         WLAN_STATUS_INVALID_IE = 40,
2275         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2276         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2277         WLAN_STATUS_INVALID_AKMP = 43,
2278         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2279         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2280         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2281         /* 802.11e */
2282         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2283         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2284         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2285         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2286         WLAN_STATUS_REQUEST_DECLINED = 37,
2287         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2288         WLAN_STATUS_CHANGE_TSPEC = 39,
2289         WLAN_STATUS_WAIT_TS_DELAY = 47,
2290         WLAN_STATUS_NO_DIRECT_LINK = 48,
2291         WLAN_STATUS_STA_NOT_PRESENT = 49,
2292         WLAN_STATUS_STA_NOT_QSTA = 50,
2293         /* 802.11s */
2294         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2295         WLAN_STATUS_FCG_NOT_SUPP = 78,
2296         WLAN_STATUS_STA_NO_TBTT = 78,
2297         /* 802.11ad */
2298         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2299         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2300         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2301         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2302         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2303         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2304         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2305         WLAN_STATUS_REJECT_DSE_BAND = 96,
2306         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2307         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2308         /* 802.11ai */
2309         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2310         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2311 };
2312
2313
2314 /* Reason codes */
2315 enum ieee80211_reasoncode {
2316         WLAN_REASON_UNSPECIFIED = 1,
2317         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2318         WLAN_REASON_DEAUTH_LEAVING = 3,
2319         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2320         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2321         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2322         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2323         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2324         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2325         /* 802.11h */
2326         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2327         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2328         /* 802.11i */
2329         WLAN_REASON_INVALID_IE = 13,
2330         WLAN_REASON_MIC_FAILURE = 14,
2331         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2332         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2333         WLAN_REASON_IE_DIFFERENT = 17,
2334         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2335         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2336         WLAN_REASON_INVALID_AKMP = 20,
2337         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2338         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2339         WLAN_REASON_IEEE8021X_FAILED = 23,
2340         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2341         /* TDLS (802.11z) */
2342         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2343         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2344         /* 802.11e */
2345         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2346         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2347         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2348         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2349         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2350         WLAN_REASON_QSTA_NOT_USE = 37,
2351         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2352         WLAN_REASON_QSTA_TIMEOUT = 39,
2353         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2354         /* 802.11s */
2355         WLAN_REASON_MESH_PEER_CANCELED = 52,
2356         WLAN_REASON_MESH_MAX_PEERS = 53,
2357         WLAN_REASON_MESH_CONFIG = 54,
2358         WLAN_REASON_MESH_CLOSE = 55,
2359         WLAN_REASON_MESH_MAX_RETRIES = 56,
2360         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2361         WLAN_REASON_MESH_INVALID_GTK = 58,
2362         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2363         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2364         WLAN_REASON_MESH_PATH_ERROR = 61,
2365         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2366         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2367         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2368         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2369         WLAN_REASON_MESH_CHAN = 66,
2370 };
2371
2372
2373 /* Information Element IDs */
2374 enum ieee80211_eid {
2375         WLAN_EID_SSID = 0,
2376         WLAN_EID_SUPP_RATES = 1,
2377         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2378         WLAN_EID_DS_PARAMS = 3,
2379         WLAN_EID_CF_PARAMS = 4,
2380         WLAN_EID_TIM = 5,
2381         WLAN_EID_IBSS_PARAMS = 6,
2382         WLAN_EID_COUNTRY = 7,
2383         /* 8, 9 reserved */
2384         WLAN_EID_REQUEST = 10,
2385         WLAN_EID_QBSS_LOAD = 11,
2386         WLAN_EID_EDCA_PARAM_SET = 12,
2387         WLAN_EID_TSPEC = 13,
2388         WLAN_EID_TCLAS = 14,
2389         WLAN_EID_SCHEDULE = 15,
2390         WLAN_EID_CHALLENGE = 16,
2391         /* 17-31 reserved for challenge text extension */
2392         WLAN_EID_PWR_CONSTRAINT = 32,
2393         WLAN_EID_PWR_CAPABILITY = 33,
2394         WLAN_EID_TPC_REQUEST = 34,
2395         WLAN_EID_TPC_REPORT = 35,
2396         WLAN_EID_SUPPORTED_CHANNELS = 36,
2397         WLAN_EID_CHANNEL_SWITCH = 37,
2398         WLAN_EID_MEASURE_REQUEST = 38,
2399         WLAN_EID_MEASURE_REPORT = 39,
2400         WLAN_EID_QUIET = 40,
2401         WLAN_EID_IBSS_DFS = 41,
2402         WLAN_EID_ERP_INFO = 42,
2403         WLAN_EID_TS_DELAY = 43,
2404         WLAN_EID_TCLAS_PROCESSING = 44,
2405         WLAN_EID_HT_CAPABILITY = 45,
2406         WLAN_EID_QOS_CAPA = 46,
2407         /* 47 reserved for Broadcom */
2408         WLAN_EID_RSN = 48,
2409         WLAN_EID_802_15_COEX = 49,
2410         WLAN_EID_EXT_SUPP_RATES = 50,
2411         WLAN_EID_AP_CHAN_REPORT = 51,
2412         WLAN_EID_NEIGHBOR_REPORT = 52,
2413         WLAN_EID_RCPI = 53,
2414         WLAN_EID_MOBILITY_DOMAIN = 54,
2415         WLAN_EID_FAST_BSS_TRANSITION = 55,
2416         WLAN_EID_TIMEOUT_INTERVAL = 56,
2417         WLAN_EID_RIC_DATA = 57,
2418         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2419         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2420         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2421         WLAN_EID_HT_OPERATION = 61,
2422         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2423         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2424         WLAN_EID_ANTENNA_INFO = 64,
2425         WLAN_EID_RSNI = 65,
2426         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2427         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2428         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2429         WLAN_EID_TIME_ADVERTISEMENT = 69,
2430         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2431         WLAN_EID_MULTIPLE_BSSID = 71,
2432         WLAN_EID_BSS_COEX_2040 = 72,
2433         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2434         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2435         WLAN_EID_RIC_DESCRIPTOR = 75,
2436         WLAN_EID_MMIE = 76,
2437         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2438         WLAN_EID_EVENT_REQUEST = 78,
2439         WLAN_EID_EVENT_REPORT = 79,
2440         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2441         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2442         WLAN_EID_LOCATION_PARAMS = 82,
2443         WLAN_EID_NON_TX_BSSID_CAP =  83,
2444         WLAN_EID_SSID_LIST = 84,
2445         WLAN_EID_MULTI_BSSID_IDX = 85,
2446         WLAN_EID_FMS_DESCRIPTOR = 86,
2447         WLAN_EID_FMS_REQUEST = 87,
2448         WLAN_EID_FMS_RESPONSE = 88,
2449         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2450         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2451         WLAN_EID_TSF_REQUEST = 91,
2452         WLAN_EID_TSF_RESPOSNE = 92,
2453         WLAN_EID_WNM_SLEEP_MODE = 93,
2454         WLAN_EID_TIM_BCAST_REQ = 94,
2455         WLAN_EID_TIM_BCAST_RESP = 95,
2456         WLAN_EID_COLL_IF_REPORT = 96,
2457         WLAN_EID_CHANNEL_USAGE = 97,
2458         WLAN_EID_TIME_ZONE = 98,
2459         WLAN_EID_DMS_REQUEST = 99,
2460         WLAN_EID_DMS_RESPONSE = 100,
2461         WLAN_EID_LINK_ID = 101,
2462         WLAN_EID_WAKEUP_SCHEDUL = 102,
2463         /* 103 reserved */
2464         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2465         WLAN_EID_PTI_CONTROL = 105,
2466         WLAN_EID_PU_BUFFER_STATUS = 106,
2467         WLAN_EID_INTERWORKING = 107,
2468         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2469         WLAN_EID_EXPEDITED_BW_REQ = 109,
2470         WLAN_EID_QOS_MAP_SET = 110,
2471         WLAN_EID_ROAMING_CONSORTIUM = 111,
2472         WLAN_EID_EMERGENCY_ALERT = 112,
2473         WLAN_EID_MESH_CONFIG = 113,
2474         WLAN_EID_MESH_ID = 114,
2475         WLAN_EID_LINK_METRIC_REPORT = 115,
2476         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2477         WLAN_EID_PEER_MGMT = 117,
2478         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2479         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2480         WLAN_EID_BEACON_TIMING = 120,
2481         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2482         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2483         WLAN_EID_MCCAOP_ADVERT = 123,
2484         WLAN_EID_MCCAOP_TEARDOWN = 124,
2485         WLAN_EID_GANN = 125,
2486         WLAN_EID_RANN = 126,
2487         WLAN_EID_EXT_CAPABILITY = 127,
2488         /* 128, 129 reserved for Agere */
2489         WLAN_EID_PREQ = 130,
2490         WLAN_EID_PREP = 131,
2491         WLAN_EID_PERR = 132,
2492         /* 133-136 reserved for Cisco */
2493         WLAN_EID_PXU = 137,
2494         WLAN_EID_PXUC = 138,
2495         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2496         WLAN_EID_MIC = 140,
2497         WLAN_EID_DESTINATION_URI = 141,
2498         WLAN_EID_UAPSD_COEX = 142,
2499         WLAN_EID_WAKEUP_SCHEDULE = 143,
2500         WLAN_EID_EXT_SCHEDULE = 144,
2501         WLAN_EID_STA_AVAILABILITY = 145,
2502         WLAN_EID_DMG_TSPEC = 146,
2503         WLAN_EID_DMG_AT = 147,
2504         WLAN_EID_DMG_CAP = 148,
2505         /* 149 reserved for Cisco */
2506         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2507         WLAN_EID_DMG_OPERATION = 151,
2508         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2509         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2510         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2511         /* 155-156 reserved for Cisco */
2512         WLAN_EID_AWAKE_WINDOW = 157,
2513         WLAN_EID_MULTI_BAND = 158,
2514         WLAN_EID_ADDBA_EXT = 159,
2515         WLAN_EID_NEXT_PCP_LIST = 160,
2516         WLAN_EID_PCP_HANDOVER = 161,
2517         WLAN_EID_DMG_LINK_MARGIN = 162,
2518         WLAN_EID_SWITCHING_STREAM = 163,
2519         WLAN_EID_SESSION_TRANSITION = 164,
2520         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2521         WLAN_EID_CLUSTER_REPORT = 166,
2522         WLAN_EID_RELAY_CAP = 167,
2523         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2524         WLAN_EID_BEAM_LINK_MAINT = 169,
2525         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2526         WLAN_EID_U_PID = 171,
2527         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2528         /* 173 reserved for Symbol */
2529         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2530         WLAN_EID_QUIET_PERIOD_REQ = 175,
2531         /* 176 reserved for Symbol */
2532         WLAN_EID_QUIET_PERIOD_RESP = 177,
2533         /* 178-179 reserved for Symbol */
2534         /* 180 reserved for ISO/IEC 20011 */
2535         WLAN_EID_EPAC_POLICY = 182,
2536         WLAN_EID_CLISTER_TIME_OFF = 183,
2537         WLAN_EID_INTER_AC_PRIO = 184,
2538         WLAN_EID_SCS_DESCRIPTOR = 185,
2539         WLAN_EID_QLOAD_REPORT = 186,
2540         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2541         WLAN_EID_HL_STREAM_ID = 188,
2542         WLAN_EID_GCR_GROUP_ADDR = 189,
2543         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2544         WLAN_EID_VHT_CAPABILITY = 191,
2545         WLAN_EID_VHT_OPERATION = 192,
2546         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2547         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2548         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2549         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2550         WLAN_EID_AID = 197,
2551         WLAN_EID_QUIET_CHANNEL = 198,
2552         WLAN_EID_OPMODE_NOTIF = 199,
2553
2554         WLAN_EID_VENDOR_SPECIFIC = 221,
2555         WLAN_EID_QOS_PARAMETER = 222,
2556         WLAN_EID_CAG_NUMBER = 237,
2557         WLAN_EID_AP_CSN = 239,
2558         WLAN_EID_FILS_INDICATION = 240,
2559         WLAN_EID_DILS = 241,
2560         WLAN_EID_FRAGMENT = 242,
2561         WLAN_EID_RSNX = 244,
2562         WLAN_EID_EXTENSION = 255
2563 };
2564
2565 /* Element ID Extensions for Element ID 255 */
2566 enum ieee80211_eid_ext {
2567         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2568         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2569         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2570         WLAN_EID_EXT_FILS_SESSION = 4,
2571         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2572         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2573         WLAN_EID_EXT_KEY_DELIVERY = 7,
2574         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2575         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2576         WLAN_EID_EXT_FILS_NONCE = 13,
2577         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2578         WLAN_EID_EXT_HE_CAPABILITY = 35,
2579         WLAN_EID_EXT_HE_OPERATION = 36,
2580         WLAN_EID_EXT_UORA = 37,
2581         WLAN_EID_EXT_HE_MU_EDCA = 38,
2582         WLAN_EID_EXT_HE_SPR = 39,
2583         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2584         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2585         WLAN_EID_EXT_NON_INHERITANCE = 56,
2586 };
2587
2588 /* Action category code */
2589 enum ieee80211_category {
2590         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2591         WLAN_CATEGORY_QOS = 1,
2592         WLAN_CATEGORY_DLS = 2,
2593         WLAN_CATEGORY_BACK = 3,
2594         WLAN_CATEGORY_PUBLIC = 4,
2595         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2596         WLAN_CATEGORY_HT = 7,
2597         WLAN_CATEGORY_SA_QUERY = 8,
2598         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2599         WLAN_CATEGORY_WNM = 10,
2600         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2601         WLAN_CATEGORY_TDLS = 12,
2602         WLAN_CATEGORY_MESH_ACTION = 13,
2603         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2604         WLAN_CATEGORY_SELF_PROTECTED = 15,
2605         WLAN_CATEGORY_DMG = 16,
2606         WLAN_CATEGORY_WMM = 17,
2607         WLAN_CATEGORY_FST = 18,
2608         WLAN_CATEGORY_UNPROT_DMG = 20,
2609         WLAN_CATEGORY_VHT = 21,
2610         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2611         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2612 };
2613
2614 /* SPECTRUM_MGMT action code */
2615 enum ieee80211_spectrum_mgmt_actioncode {
2616         WLAN_ACTION_SPCT_MSR_REQ = 0,
2617         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2618         WLAN_ACTION_SPCT_TPC_REQ = 2,
2619         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2620         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2621 };
2622
2623 /* HT action codes */
2624 enum ieee80211_ht_actioncode {
2625         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2626         WLAN_HT_ACTION_SMPS = 1,
2627         WLAN_HT_ACTION_PSMP = 2,
2628         WLAN_HT_ACTION_PCO_PHASE = 3,
2629         WLAN_HT_ACTION_CSI = 4,
2630         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2631         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2632         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2633 };
2634
2635 /* VHT action codes */
2636 enum ieee80211_vht_actioncode {
2637         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2638         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2639         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2640 };
2641
2642 /* Self Protected Action codes */
2643 enum ieee80211_self_protected_actioncode {
2644         WLAN_SP_RESERVED = 0,
2645         WLAN_SP_MESH_PEERING_OPEN = 1,
2646         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2647         WLAN_SP_MESH_PEERING_CLOSE = 3,
2648         WLAN_SP_MGK_INFORM = 4,
2649         WLAN_SP_MGK_ACK = 5,
2650 };
2651
2652 /* Mesh action codes */
2653 enum ieee80211_mesh_actioncode {
2654         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2655         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2656         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2657         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2658         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2659         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2660         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2661         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2662         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2663         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2664         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2665 };
2666
2667 /* Security key length */
2668 enum ieee80211_key_len {
2669         WLAN_KEY_LEN_WEP40 = 5,
2670         WLAN_KEY_LEN_WEP104 = 13,
2671         WLAN_KEY_LEN_CCMP = 16,
2672         WLAN_KEY_LEN_CCMP_256 = 32,
2673         WLAN_KEY_LEN_TKIP = 32,
2674         WLAN_KEY_LEN_AES_CMAC = 16,
2675         WLAN_KEY_LEN_SMS4 = 32,
2676         WLAN_KEY_LEN_GCMP = 16,
2677         WLAN_KEY_LEN_GCMP_256 = 32,
2678         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2679         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2680         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2681 };
2682
2683 #define IEEE80211_WEP_IV_LEN            4
2684 #define IEEE80211_WEP_ICV_LEN           4
2685 #define IEEE80211_CCMP_HDR_LEN          8
2686 #define IEEE80211_CCMP_MIC_LEN          8
2687 #define IEEE80211_CCMP_PN_LEN           6
2688 #define IEEE80211_CCMP_256_HDR_LEN      8
2689 #define IEEE80211_CCMP_256_MIC_LEN      16
2690 #define IEEE80211_CCMP_256_PN_LEN       6
2691 #define IEEE80211_TKIP_IV_LEN           8
2692 #define IEEE80211_TKIP_ICV_LEN          4
2693 #define IEEE80211_CMAC_PN_LEN           6
2694 #define IEEE80211_GMAC_PN_LEN           6
2695 #define IEEE80211_GCMP_HDR_LEN          8
2696 #define IEEE80211_GCMP_MIC_LEN          16
2697 #define IEEE80211_GCMP_PN_LEN           6
2698
2699 #define FILS_NONCE_LEN                  16
2700 #define FILS_MAX_KEK_LEN                64
2701
2702 #define FILS_ERP_MAX_USERNAME_LEN       16
2703 #define FILS_ERP_MAX_REALM_LEN          253
2704 #define FILS_ERP_MAX_RRK_LEN            64
2705
2706 #define PMK_MAX_LEN                     64
2707 #define SAE_PASSWORD_MAX_LEN            128
2708
2709 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2710 enum ieee80211_pub_actioncode {
2711         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2712         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2713         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2714         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2715         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2716         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2717         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2718         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2719         WLAN_PUB_ACTION_DSE_PC = 8,
2720         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2721         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2722         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2723         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2724         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2725         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2726         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2727         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2728         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2729         WLAN_PUB_ACTION_QMF_POLICY = 18,
2730         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2731         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2732         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2733         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2734         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2735         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2736         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2737         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2738         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2739         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2740         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2741         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2742         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2743         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2744         WLAN_PUB_ACTION_FTM = 33,
2745         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2746 };
2747
2748 /* TDLS action codes */
2749 enum ieee80211_tdls_actioncode {
2750         WLAN_TDLS_SETUP_REQUEST = 0,
2751         WLAN_TDLS_SETUP_RESPONSE = 1,
2752         WLAN_TDLS_SETUP_CONFIRM = 2,
2753         WLAN_TDLS_TEARDOWN = 3,
2754         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2755         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2756         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2757         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2758         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2759         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2760         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2761 };
2762
2763 /* Extended Channel Switching capability to be set in the 1st byte of
2764  * the @WLAN_EID_EXT_CAPABILITY information element
2765  */
2766 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2767
2768 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2769  * @WLAN_EID_EXT_CAPABILITY information element
2770  */
2771 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2772
2773 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2774 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2775 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2776 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2777
2778 /* Interworking capabilities are set in 7th bit of 4th byte of the
2779  * @WLAN_EID_EXT_CAPABILITY information element
2780  */
2781 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2782
2783 /*
2784  * TDLS capabililites to be enabled in the 5th byte of the
2785  * @WLAN_EID_EXT_CAPABILITY information element
2786  */
2787 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2788 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2789 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2790
2791 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2792 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2793
2794 /* Defines the maximal number of MSDUs in an A-MSDU. */
2795 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2796 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2797
2798 /*
2799  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2800  * information element
2801  */
2802 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2803
2804 /* Defines support for TWT Requester and TWT Responder */
2805 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2806 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2807
2808 /*
2809  * When set, indicates that the AP is able to tolerate 26-tone RU UL
2810  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2811  * 26-tone RU UL OFDMA transmissions as radar pulses).
2812  */
2813 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2814
2815 /* Defines support for enhanced multi-bssid advertisement*/
2816 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2817
2818 /* TDLS specific payload type in the LLC/SNAP header */
2819 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2820
2821 /* BSS Coex IE information field bits */
2822 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2823
2824 /**
2825  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2826  *
2827  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2828  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2829  *      that will be specified in a vendor specific information element
2830  */
2831 enum ieee80211_mesh_sync_method {
2832         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2833         IEEE80211_SYNC_METHOD_VENDOR = 255,
2834 };
2835
2836 /**
2837  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2838  *
2839  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2840  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2841  *      be specified in a vendor specific information element
2842  */
2843 enum ieee80211_mesh_path_protocol {
2844         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2845         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2846 };
2847
2848 /**
2849  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2850  *
2851  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2852  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2853  *      specified in a vendor specific information element
2854  */
2855 enum ieee80211_mesh_path_metric {
2856         IEEE80211_PATH_METRIC_AIRTIME = 1,
2857         IEEE80211_PATH_METRIC_VENDOR = 255,
2858 };
2859
2860 /**
2861  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2862  *
2863  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2864  *
2865  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2866  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2867  *      this value
2868  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2869  *      the proactive PREQ with proactive PREP subfield set to 0
2870  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2871  *      supports the proactive PREQ with proactive PREP subfield set to 1
2872  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2873  *      the proactive RANN
2874  */
2875 enum ieee80211_root_mode_identifier {
2876         IEEE80211_ROOTMODE_NO_ROOT = 0,
2877         IEEE80211_ROOTMODE_ROOT = 1,
2878         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2879         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2880         IEEE80211_PROACTIVE_RANN = 4,
2881 };
2882
2883 /*
2884  * IEEE 802.11-2007 7.3.2.9 Country information element
2885  *
2886  * Minimum length is 8 octets, ie len must be evenly
2887  * divisible by 2
2888  */
2889
2890 /* Although the spec says 8 I'm seeing 6 in practice */
2891 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2892
2893 /* The Country String field of the element shall be 3 octets in length */
2894 #define IEEE80211_COUNTRY_STRING_LEN    3
2895
2896 /*
2897  * For regulatory extension stuff see IEEE 802.11-2007
2898  * Annex I (page 1141) and Annex J (page 1147). Also
2899  * review 7.3.2.9.
2900  *
2901  * When dot11RegulatoryClassesRequired is true and the
2902  * first_channel/reg_extension_id is >= 201 then the IE
2903  * compromises of the 'ext' struct represented below:
2904  *
2905  *  - Regulatory extension ID - when generating IE this just needs
2906  *    to be monotonically increasing for each triplet passed in
2907  *    the IE
2908  *  - Regulatory class - index into set of rules
2909  *  - Coverage class - index into air propagation time (Table 7-27),
2910  *    in microseconds, you can compute the air propagation time from
2911  *    the index by multiplying by 3, so index 10 yields a propagation
2912  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2913  *    yet. A value of 0 inicates air propagation of <= 1 us.
2914  *
2915  *  See also Table I.2 for Emission limit sets and table
2916  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2917  *  a reg_class to an emission limit set and behavior limit set.
2918  */
2919 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2920
2921 /*
2922  *  Channels numbers in the IE must be monotonically increasing
2923  *  if dot11RegulatoryClassesRequired is not true.
2924  *
2925  *  If dot11RegulatoryClassesRequired is true consecutive
2926  *  subband triplets following a regulatory triplet shall
2927  *  have monotonically increasing first_channel number fields.
2928  *
2929  *  Channel numbers shall not overlap.
2930  *
2931  *  Note that max_power is signed.
2932  */
2933 struct ieee80211_country_ie_triplet {
2934         union {
2935                 struct {
2936                         u8 first_channel;
2937                         u8 num_channels;
2938                         s8 max_power;
2939                 } __packed chans;
2940                 struct {
2941                         u8 reg_extension_id;
2942                         u8 reg_class;
2943                         u8 coverage_class;
2944                 } __packed ext;
2945         };
2946 } __packed;
2947
2948 enum ieee80211_timeout_interval_type {
2949         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2950         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2951         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2952 };
2953
2954 /**
2955  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2956  * @type: type, see &enum ieee80211_timeout_interval_type
2957  * @value: timeout interval value
2958  */
2959 struct ieee80211_timeout_interval_ie {
2960         u8 type;
2961         __le32 value;
2962 } __packed;
2963
2964 /**
2965  * enum ieee80211_idle_options - BSS idle options
2966  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2967  *      protected frame to the AP to reset the idle timer at the AP for
2968  *      the station.
2969  */
2970 enum ieee80211_idle_options {
2971         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2972 };
2973
2974 /**
2975  * struct ieee80211_bss_max_idle_period_ie
2976  *
2977  * This structure refers to "BSS Max idle period element"
2978  *
2979  * @max_idle_period: indicates the time period during which a station can
2980  *      refrain from transmitting frames to its associated AP without being
2981  *      disassociated. In units of 1000 TUs.
2982  * @idle_options: indicates the options associated with the BSS idle capability
2983  *      as specified in &enum ieee80211_idle_options.
2984  */
2985 struct ieee80211_bss_max_idle_period_ie {
2986         __le16 max_idle_period;
2987         u8 idle_options;
2988 } __packed;
2989
2990 /* BACK action code */
2991 enum ieee80211_back_actioncode {
2992         WLAN_ACTION_ADDBA_REQ = 0,
2993         WLAN_ACTION_ADDBA_RESP = 1,
2994         WLAN_ACTION_DELBA = 2,
2995 };
2996
2997 /* BACK (block-ack) parties */
2998 enum ieee80211_back_parties {
2999         WLAN_BACK_RECIPIENT = 0,
3000         WLAN_BACK_INITIATOR = 1,
3001 };
3002
3003 /* SA Query action */
3004 enum ieee80211_sa_query_action {
3005         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3006         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3007 };
3008
3009 /**
3010  * struct ieee80211_bssid_index
3011  *
3012  * This structure refers to "Multiple BSSID-index element"
3013  *
3014  * @bssid_index: BSSID index
3015  * @dtim_period: optional, overrides transmitted BSS dtim period
3016  * @dtim_count: optional, overrides transmitted BSS dtim count
3017  */
3018 struct ieee80211_bssid_index {
3019         u8 bssid_index;
3020         u8 dtim_period;
3021         u8 dtim_count;
3022 };
3023
3024 /**
3025  * struct ieee80211_multiple_bssid_configuration
3026  *
3027  * This structure refers to "Multiple BSSID Configuration element"
3028  *
3029  * @bssid_count: total number of active BSSIDs in the set
3030  * @profile_periodicity: the least number of beacon frames need to be received
3031  *      in order to discover all the nontransmitted BSSIDs in the set.
3032  */
3033 struct ieee80211_multiple_bssid_configuration {
3034         u8 bssid_count;
3035         u8 profile_periodicity;
3036 };
3037
3038 #define SUITE(oui, id) (((oui) << 8) | (id))
3039
3040 /* cipher suite selectors */
3041 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3042 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3043 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3044 /* reserved:                            SUITE(0x000FAC, 3) */
3045 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3046 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3047 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3048 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3049 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3050 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3051 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3052 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3053 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3054
3055 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3056
3057 /* AKM suite selectors */
3058 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3059 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3060 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3061 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3062 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3063 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3064 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3065 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3066 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3067 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3068 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3069 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3070 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3071 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3072 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3073 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3074
3075 #define WLAN_MAX_KEY_LEN                32
3076
3077 #define WLAN_PMK_NAME_LEN               16
3078 #define WLAN_PMKID_LEN                  16
3079 #define WLAN_PMK_LEN_EAP_LEAP           16
3080 #define WLAN_PMK_LEN                    32
3081 #define WLAN_PMK_LEN_SUITE_B_192        48
3082
3083 #define WLAN_OUI_WFA                    0x506f9a
3084 #define WLAN_OUI_TYPE_WFA_P2P           9
3085 #define WLAN_OUI_MICROSOFT              0x0050f2
3086 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3087 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3088 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3089 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3090
3091 /*
3092  * WMM/802.11e Tspec Element
3093  */
3094 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3095 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3096
3097 enum ieee80211_tspec_status_code {
3098         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3099         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3100 };
3101
3102 struct ieee80211_tspec_ie {
3103         u8 element_id;
3104         u8 len;
3105         u8 oui[3];
3106         u8 oui_type;
3107         u8 oui_subtype;
3108         u8 version;
3109         __le16 tsinfo;
3110         u8 tsinfo_resvd;
3111         __le16 nominal_msdu;
3112         __le16 max_msdu;
3113         __le32 min_service_int;
3114         __le32 max_service_int;
3115         __le32 inactivity_int;
3116         __le32 suspension_int;
3117         __le32 service_start_time;
3118         __le32 min_data_rate;
3119         __le32 mean_data_rate;
3120         __le32 peak_data_rate;
3121         __le32 max_burst_size;
3122         __le32 delay_bound;
3123         __le32 min_phy_rate;
3124         __le16 sba;
3125         __le16 medium_time;
3126 } __packed;
3127
3128 /**
3129  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3130  * @hdr: the frame
3131  *
3132  * The qos ctrl bytes come after the frame_control, duration, seq_num
3133  * and 3 or 4 addresses of length ETH_ALEN.
3134  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3135  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3136  */
3137 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3138 {
3139         if (ieee80211_has_a4(hdr->frame_control))
3140                 return (u8 *)hdr + 30;
3141         else
3142                 return (u8 *)hdr + 24;
3143 }
3144
3145 /**
3146  * ieee80211_get_tid - get qos TID
3147  * @hdr: the frame
3148  */
3149 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3150 {
3151         u8 *qc = ieee80211_get_qos_ctl(hdr);
3152
3153         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3154 }
3155
3156 /**
3157  * ieee80211_get_SA - get pointer to SA
3158  * @hdr: the frame
3159  *
3160  * Given an 802.11 frame, this function returns the offset
3161  * to the source address (SA). It does not verify that the
3162  * header is long enough to contain the address, and the
3163  * header must be long enough to contain the frame control
3164  * field.
3165  */
3166 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3167 {
3168         if (ieee80211_has_a4(hdr->frame_control))
3169                 return hdr->addr4;
3170         if (ieee80211_has_fromds(hdr->frame_control))
3171                 return hdr->addr3;
3172         return hdr->addr2;
3173 }
3174
3175 /**
3176  * ieee80211_get_DA - get pointer to DA
3177  * @hdr: the frame
3178  *
3179  * Given an 802.11 frame, this function returns the offset
3180  * to the destination address (DA). It does not verify that
3181  * the header is long enough to contain the address, and the
3182  * header must be long enough to contain the frame control
3183  * field.
3184  */
3185 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3186 {
3187         if (ieee80211_has_tods(hdr->frame_control))
3188                 return hdr->addr3;
3189         else
3190                 return hdr->addr1;
3191 }
3192
3193 /**
3194  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3195  * @hdr: the frame (buffer must include at least the first octet of payload)
3196  */
3197 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3198 {
3199         if (ieee80211_is_disassoc(hdr->frame_control) ||
3200             ieee80211_is_deauth(hdr->frame_control))
3201                 return true;
3202
3203         if (ieee80211_is_action(hdr->frame_control)) {
3204                 u8 *category;
3205
3206                 /*
3207                  * Action frames, excluding Public Action frames, are Robust
3208                  * Management Frames. However, if we are looking at a Protected
3209                  * frame, skip the check since the data may be encrypted and
3210                  * the frame has already been found to be a Robust Management
3211                  * Frame (by the other end).
3212                  */
3213                 if (ieee80211_has_protected(hdr->frame_control))
3214                         return true;
3215                 category = ((u8 *) hdr) + 24;
3216                 return *category != WLAN_CATEGORY_PUBLIC &&
3217                         *category != WLAN_CATEGORY_HT &&
3218                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3219                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3220                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3221                         *category != WLAN_CATEGORY_VHT &&
3222                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3223         }
3224
3225         return false;
3226 }
3227
3228 /**
3229  * ieee80211_is_public_action - check if frame is a public action frame
3230  * @hdr: the frame
3231  * @len: length of the frame
3232  */
3233 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3234                                               size_t len)
3235 {
3236         struct ieee80211_mgmt *mgmt = (void *)hdr;
3237
3238         if (len < IEEE80211_MIN_ACTION_SIZE)
3239                 return false;
3240         if (!ieee80211_is_action(hdr->frame_control))
3241                 return false;
3242         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3243 }
3244
3245 static inline bool is_multicast_ether_addr(const u8 *a)
3246 {
3247         return 0x01 & a[0];
3248 }
3249
3250 /**
3251  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3252  * privacy action frame
3253  * @hdr: the frame
3254  */
3255 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3256 {
3257         struct ieee80211_mgmt *mgmt = (void *)hdr;
3258
3259         if (!ieee80211_is_action(hdr->frame_control) ||
3260             !is_multicast_ether_addr(hdr->addr1))
3261                 return false;
3262
3263         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3264                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3265 }
3266
3267 /**
3268  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3269  * @tu: the TUs
3270  */
3271 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3272 {
3273         return 1024 * tu;
3274 }
3275
3276 /**
3277  * ieee80211_check_tim - check if AID bit is set in TIM
3278  * @tim: the TIM IE
3279  * @tim_len: length of the TIM IE
3280  * @aid: the AID to look for
3281  */
3282 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3283                                        u8 tim_len, u16 aid)
3284 {
3285         u8 mask;
3286         u8 indexn0, indexn1, indexn2;
3287
3288         if (unlikely(!tim || tim_len < sizeof(*tim)))
3289                 return false;
3290
3291         aid &= 0x3fff;
3292         indexn0 = aid / 8;
3293         mask  = 1 << (aid & 7);
3294
3295         indexn1 = tim->bitmap_ctrl & 0xfe;
3296         indexn2 = tim_len + indexn1 - 4;
3297
3298         if (indexn0 < indexn1 || indexn0 > indexn2)
3299                 return false;
3300
3301         indexn0 -= indexn1;
3302
3303         return !!(tim->virtual_map[indexn0] & mask);
3304 }
3305
3306 /* convert time units */
3307 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3308 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3309
3310 struct element {
3311         u8 id;
3312         u8 datalen;
3313         u8 data[];
3314 } __packed;
3315
3316 /* element iteration helpers */
3317 #define for_each_element(_elem, _data, _datalen)                        \
3318         for (_elem = (const struct element *)(_data);                   \
3319              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3320                 (int)sizeof(*_elem) &&                                  \
3321              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3322                 (int)sizeof(*_elem) + _elem->datalen;                   \
3323              _elem = (const struct element *)(_elem->data + _elem->datalen))
3324
3325 #define for_each_element_id(element, _id, data, datalen)                \
3326         for_each_element(element, data, datalen)                        \
3327                 if (element->id == (_id))
3328
3329 #define for_each_element_extid(element, extid, _data, _datalen)         \
3330         for_each_element(element, _data, _datalen)                      \
3331                 if (element->id == WLAN_EID_EXTENSION &&                \
3332                     element->datalen > 0 &&                             \
3333                     element->data[0] == (extid))
3334
3335 #define for_each_subelement(sub, element)                               \
3336         for_each_element(sub, (element)->data, (element)->datalen)
3337
3338 #define for_each_subelement_id(sub, id, element)                        \
3339         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3340
3341 #define for_each_subelement_extid(sub, extid, element)                  \
3342         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3343
3344 /**
3345  * for_each_element_completed - determine if element parsing consumed all data
3346  * @element: element pointer after for_each_element() or friends
3347  * @data: same data pointer as passed to for_each_element() or friends
3348  * @datalen: same data length as passed to for_each_element() or friends
3349  *
3350  * This function returns %true if all the data was parsed or considered
3351  * while walking the elements. Only use this if your for_each_element()
3352  * loop cannot be broken out of, otherwise it always returns %false.
3353  *
3354  * If some data was malformed, this returns %false since the last parsed
3355  * element will not fill the whole remaining data.
3356  */
3357 static inline bool for_each_element_completed(const struct element *element,
3358                                               const void *data, size_t datalen)
3359 {
3360         return (const u8 *)element == (const u8 *)data + datalen;
3361 }
3362
3363 /**
3364  * RSNX Capabilities:
3365  * bits 0-3: Field length (n-1)
3366  */
3367 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3368 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3369
3370 #endif /* __LINUX_IEEE80211_H */