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 - 2022 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_TRIGGER         0x0020
  73 #define IEEE80211_STYPE_CTL_EXT         0x0060
  74 #define IEEE80211_STYPE_BACK_REQ        0x0080
  75 #define IEEE80211_STYPE_BACK            0x0090
  76 #define IEEE80211_STYPE_PSPOLL          0x00A0
  77 #define IEEE80211_STYPE_RTS             0x00B0
  78 #define IEEE80211_STYPE_CTS             0x00C0
  79 #define IEEE80211_STYPE_ACK             0x00D0
  80 #define IEEE80211_STYPE_CFEND           0x00E0
  81 #define IEEE80211_STYPE_CFENDACK        0x00F0
  82
  83 /* data */
  84 #define IEEE80211_STYPE_DATA                    0x0000
  85 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  86 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  87 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  88 #define IEEE80211_STYPE_NULLFUNC                0x0040
  89 #define IEEE80211_STYPE_CFACK                   0x0050
  90 #define IEEE80211_STYPE_CFPOLL                  0x0060
  91 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  92 #define IEEE80211_STYPE_QOS_DATA                0x0080
  93 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  94 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  95 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  96 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  97 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  98 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  99 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 100
 101 /* extension, added by 802.11ad */
 102 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 103 #define IEEE80211_STYPE_S1G_BEACON              0x0010
 104
 105 /* bits unique to S1G beacon */
 106 #define IEEE80211_S1G_BCN_NEXT_TBTT     0x100
 107
 108 /* see 802.11ah-2016 9.9 NDP CMAC frames */
 109 #define IEEE80211_S1G_1MHZ_NDP_BITS     25
 110 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
 111 #define IEEE80211_S1G_2MHZ_NDP_BITS     37
 112 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
 113
 114 #define IEEE80211_NDP_FTYPE_CTS                 0
 115 #define IEEE80211_NDP_FTYPE_CF_END              0
 116 #define IEEE80211_NDP_FTYPE_PS_POLL             1
 117 #define IEEE80211_NDP_FTYPE_ACK                 2
 118 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK         3
 119 #define IEEE80211_NDP_FTYPE_BA                  4
 120 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL      5
 121 #define IEEE80211_NDP_FTYPE_PAGING              6
 122 #define IEEE80211_NDP_FTYPE_PREQ                7
 123
 124 #define SM64(f, v)      ((((u64)v) << f##_S) & f)
 125
 126 /* NDP CMAC frame fields */
 127 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
 128 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
 129
 130 /* 1M Probe Request 11ah 9.9.3.1.1 */
 131 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
 132 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
 133 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
 134 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
 135 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
 136 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
 137 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 138 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 139 /* 2M Probe Request 11ah 9.9.3.1.2 */
 140 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
 141 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
 142 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
 143 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
 144 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
 145 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
 146
 147 #define IEEE80211_ANO_NETTYPE_WILD              15
 148
 149 /* bits unique to S1G beacon */
 150 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
 151
 152 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 153 #define IEEE80211_CTL_EXT_POLL          0x2000
 154 #define IEEE80211_CTL_EXT_SPR           0x3000
 155 #define IEEE80211_CTL_EXT_GRANT 0x4000
 156 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 157 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 158 #define IEEE80211_CTL_EXT_SSW           0x8000
 159 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 160 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 161
 162
 163 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 164 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 165 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 166
 167
 168 /* PV1 Layout 11ah 9.8.3.1 */
 169 #define IEEE80211_PV1_FCTL_VERS         0x0003
 170 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 171 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 172 #define IEEE80211_PV1_FCTL_TODS         0x0100
 173 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 174 #define IEEE80211_PV1_FCTL_PM           0x0400
 175 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 176 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 177 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 178 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 179 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 180 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 181
 182 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 183 {
 184         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 185 }
 186
 187 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 188 {
 189         return (sn1 + sn2) & IEEE80211_SN_MASK;
 190 }
 191
 192 static inline u16 ieee80211_sn_inc(u16 sn)
 193 {
 194         return ieee80211_sn_add(sn, 1);
 195 }
 196
 197 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 198 {
 199         return (sn1 - sn2) & IEEE80211_SN_MASK;
 200 }
 201
 202 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 203 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 204
 205 /* miscellaneous IEEE 802.11 constants */
 206 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 207 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 208 #define IEEE80211_MAX_AID               2007
 209 #define IEEE80211_MAX_AID_S1G           8191
 210 #define IEEE80211_MAX_TIM_LEN           251
 211 #define IEEE80211_MAX_MESH_PEERINGS     63
 212 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 213    6.2.1.1.2.
 214
 215    802.11e clarifies the figure in section 7.1.2. The frame body is
 216    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 217 #define IEEE80211_MAX_DATA_LEN          2304
 218 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 219  * to 7920 bytes, see 8.2.3 General frame format
 220  */
 221 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 222 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 223 #define IEEE80211_MAX_FRAME_LEN         2352
 224
 225 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 226 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 227
 228 /* Maximal size of an A-MSDU */
 229 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 230 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 231
 232 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 233 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 234 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 235
 236 #define IEEE80211_MAX_SSID_LEN          32
 237
 238 #define IEEE80211_MAX_MESH_ID_LEN       32
 239
 240 #define IEEE80211_FIRST_TSPEC_TSID      8
 241 #define IEEE80211_NUM_TIDS              16
 242
 243 /* number of user priorities 802.11 uses */
 244 #define IEEE80211_NUM_UPS               8
 245 /* number of ACs */
 246 #define IEEE80211_NUM_ACS               4
 247
 248 #define IEEE80211_QOS_CTL_LEN           2
 249 /* 1d tag mask */
 250 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 251 /* TID mask */
 252 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 253 /* EOSP */
 254 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 255 /* ACK policy */
 256 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 257 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 258 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 259 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 260 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 261 /* A-MSDU 802.11n */
 262 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 263 /* Mesh Control 802.11s */
 264 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 265
 266 /* U-APSD queue for WMM IEs sent by AP */
 267 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 268 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 269
 270 /* U-APSD queues for WMM IEs sent by STA */
 271 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 272 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 273 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 274 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 275 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 276
 277 /* U-APSD max SP length for WMM IEs sent by STA */
 278 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 279 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 280 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 281 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 282 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 283 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 284
 285 #define IEEE80211_HT_CTL_LEN            4
 286
 287 /* trigger type within common_info of trigger frame */
 288 #define IEEE80211_TRIGGER_TYPE_MASK             0xf
 289 #define IEEE80211_TRIGGER_TYPE_BASIC            0x0
 290 #define IEEE80211_TRIGGER_TYPE_BFRP             0x1
 291 #define IEEE80211_TRIGGER_TYPE_MU_BAR           0x2
 292 #define IEEE80211_TRIGGER_TYPE_MU_RTS           0x3
 293 #define IEEE80211_TRIGGER_TYPE_BSRP             0x4
 294 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR       0x5
 295 #define IEEE80211_TRIGGER_TYPE_BQRP             0x6
 296 #define IEEE80211_TRIGGER_TYPE_NFRP             0x7
 297
 298 struct ieee80211_hdr {
 299         __le16 frame_control;
 300         __le16 duration_id;
 301         u8 addr1[6];
 302         u8 addr2[6];
 303         u8 addr3[6];
 304         __le16 seq_ctrl;
 305         u8 addr4[6];
 306 } __packed __aligned(2);
 307
 308 struct ieee80211_hdr_3addr {
 309         __le16 frame_control;
 310         __le16 duration_id;
 311         struct_group(addrs,
 312                 u8 addr1[6];
 313                 u8 addr2[6];
 314                 u8 addr3[6];
 315         );
 316         __le16 seq_ctrl;
 317 } __packed __aligned(2);
 318
 319 struct ieee80211_qos_hdr {
 320         __le16 frame_control;
 321         __le16 duration_id;
 322         u8 addr1[6];
 323         u8 addr2[6];
 324         u8 addr3[6];
 325         __le16 seq_ctrl;
 326         __le16 qos_ctrl;
 327 } __packed __aligned(2);
 328
 329 struct ieee80211_trigger {
 330         __le16 frame_control;
 331         __le16 duration;
 332         u8 ra[6];
 333         u8 ta[6];
 334         __le64 common_info;
 335         u8 variable[];
 336 } __packed __aligned(2);
 337
 338 /**
 339  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 340  * @fc: frame control bytes in little-endian byteorder
 341  */
 342 static inline bool ieee80211_has_tods(__le16 fc)
 343 {
 344         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 345 }
 346
 347 /**
 348  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 349  * @fc: frame control bytes in little-endian byteorder
 350  */
 351 static inline bool ieee80211_has_fromds(__le16 fc)
 352 {
 353         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 354 }
 355
 356 /**
 357  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 358  * @fc: frame control bytes in little-endian byteorder
 359  */
 360 static inline bool ieee80211_has_a4(__le16 fc)
 361 {
 362         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 363         return (fc & tmp) == tmp;
 364 }
 365
 366 /**
 367  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 368  * @fc: frame control bytes in little-endian byteorder
 369  */
 370 static inline bool ieee80211_has_morefrags(__le16 fc)
 371 {
 372         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 373 }
 374
 375 /**
 376  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 377  * @fc: frame control bytes in little-endian byteorder
 378  */
 379 static inline bool ieee80211_has_retry(__le16 fc)
 380 {
 381         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 382 }
 383
 384 /**
 385  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 386  * @fc: frame control bytes in little-endian byteorder
 387  */
 388 static inline bool ieee80211_has_pm(__le16 fc)
 389 {
 390         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 391 }
 392
 393 /**
 394  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 395  * @fc: frame control bytes in little-endian byteorder
 396  */
 397 static inline bool ieee80211_has_moredata(__le16 fc)
 398 {
 399         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 400 }
 401
 402 /**
 403  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 404  * @fc: frame control bytes in little-endian byteorder
 405  */
 406 static inline bool ieee80211_has_protected(__le16 fc)
 407 {
 408         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 409 }
 410
 411 /**
 412  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 413  * @fc: frame control bytes in little-endian byteorder
 414  */
 415 static inline bool ieee80211_has_order(__le16 fc)
 416 {
 417         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 418 }
 419
 420 /**
 421  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 422  * @fc: frame control bytes in little-endian byteorder
 423  */
 424 static inline bool ieee80211_is_mgmt(__le16 fc)
 425 {
 426         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 427                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 428 }
 429
 430 /**
 431  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 432  * @fc: frame control bytes in little-endian byteorder
 433  */
 434 static inline bool ieee80211_is_ctl(__le16 fc)
 435 {
 436         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 437                cpu_to_le16(IEEE80211_FTYPE_CTL);
 438 }
 439
 440 /**
 441  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 442  * @fc: frame control bytes in little-endian byteorder
 443  */
 444 static inline bool ieee80211_is_data(__le16 fc)
 445 {
 446         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 447                cpu_to_le16(IEEE80211_FTYPE_DATA);
 448 }
 449
 450 /**
 451  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 452  * @fc: frame control bytes in little-endian byteorder
 453  */
 454 static inline bool ieee80211_is_ext(__le16 fc)
 455 {
 456         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 457                cpu_to_le16(IEEE80211_FTYPE_EXT);
 458 }
 459
 460
 461 /**
 462  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 463  * @fc: frame control bytes in little-endian byteorder
 464  */
 465 static inline bool ieee80211_is_data_qos(__le16 fc)
 466 {
 467         /*
 468          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 469          * to check the one bit
 470          */
 471         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 472                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 473 }
 474
 475 /**
 476  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 477  * @fc: frame control bytes in little-endian byteorder
 478  */
 479 static inline bool ieee80211_is_data_present(__le16 fc)
 480 {
 481         /*
 482          * mask with 0x40 and test that that bit is clear to only return true
 483          * for the data-containing substypes.
 484          */
 485         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 486                cpu_to_le16(IEEE80211_FTYPE_DATA);
 487 }
 488
 489 /**
 490  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 491  * @fc: frame control bytes in little-endian byteorder
 492  */
 493 static inline bool ieee80211_is_assoc_req(__le16 fc)
 494 {
 495         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 496                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 497 }
 498
 499 /**
 500  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 501  * @fc: frame control bytes in little-endian byteorder
 502  */
 503 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 504 {
 505         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 506                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 507 }
 508
 509 /**
 510  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 511  * @fc: frame control bytes in little-endian byteorder
 512  */
 513 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 514 {
 515         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 516                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 517 }
 518
 519 /**
 520  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 521  * @fc: frame control bytes in little-endian byteorder
 522  */
 523 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 524 {
 525         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 526                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 527 }
 528
 529 /**
 530  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 531  * @fc: frame control bytes in little-endian byteorder
 532  */
 533 static inline bool ieee80211_is_probe_req(__le16 fc)
 534 {
 535         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 536                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 537 }
 538
 539 /**
 540  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 541  * @fc: frame control bytes in little-endian byteorder
 542  */
 543 static inline bool ieee80211_is_probe_resp(__le16 fc)
 544 {
 545         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 546                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 547 }
 548
 549 /**
 550  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 551  * @fc: frame control bytes in little-endian byteorder
 552  */
 553 static inline bool ieee80211_is_beacon(__le16 fc)
 554 {
 555         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 556                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 557 }
 558
 559 /**
 560  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 561  * IEEE80211_STYPE_S1G_BEACON
 562  * @fc: frame control bytes in little-endian byteorder
 563  */
 564 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 565 {
 566         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 567                                  IEEE80211_FCTL_STYPE)) ==
 568                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 569 }
 570
 571 /**
 572  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 573  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 574  * @fc: frame control bytes in little-endian byteorder
 575  */
 576 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 577 {
 578         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 579                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 580                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 581 }
 582
 583 /**
 584  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 585  * true for S1G beacons when they're short.
 586  * @fc: frame control bytes in little-endian byteorder
 587  */
 588 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 589 {
 590         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 591 }
 592
 593 /**
 594  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 595  * @fc: frame control bytes in little-endian byteorder
 596  */
 597 static inline bool ieee80211_is_atim(__le16 fc)
 598 {
 599         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 600                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 601 }
 602
 603 /**
 604  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 605  * @fc: frame control bytes in little-endian byteorder
 606  */
 607 static inline bool ieee80211_is_disassoc(__le16 fc)
 608 {
 609         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 610                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 611 }
 612
 613 /**
 614  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 615  * @fc: frame control bytes in little-endian byteorder
 616  */
 617 static inline bool ieee80211_is_auth(__le16 fc)
 618 {
 619         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 620                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 621 }
 622
 623 /**
 624  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 625  * @fc: frame control bytes in little-endian byteorder
 626  */
 627 static inline bool ieee80211_is_deauth(__le16 fc)
 628 {
 629         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 630                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 631 }
 632
 633 /**
 634  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 635  * @fc: frame control bytes in little-endian byteorder
 636  */
 637 static inline bool ieee80211_is_action(__le16 fc)
 638 {
 639         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 640                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 641 }
 642
 643 /**
 644  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 645  * @fc: frame control bytes in little-endian byteorder
 646  */
 647 static inline bool ieee80211_is_back_req(__le16 fc)
 648 {
 649         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 650                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 651 }
 652
 653 /**
 654  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 655  * @fc: frame control bytes in little-endian byteorder
 656  */
 657 static inline bool ieee80211_is_back(__le16 fc)
 658 {
 659         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 660                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 661 }
 662
 663 /**
 664  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 665  * @fc: frame control bytes in little-endian byteorder
 666  */
 667 static inline bool ieee80211_is_pspoll(__le16 fc)
 668 {
 669         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 670                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 671 }
 672
 673 /**
 674  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 675  * @fc: frame control bytes in little-endian byteorder
 676  */
 677 static inline bool ieee80211_is_rts(__le16 fc)
 678 {
 679         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 680                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 681 }
 682
 683 /**
 684  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 685  * @fc: frame control bytes in little-endian byteorder
 686  */
 687 static inline bool ieee80211_is_cts(__le16 fc)
 688 {
 689         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 690                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 691 }
 692
 693 /**
 694  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 695  * @fc: frame control bytes in little-endian byteorder
 696  */
 697 static inline bool ieee80211_is_ack(__le16 fc)
 698 {
 699         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 700                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 701 }
 702
 703 /**
 704  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 705  * @fc: frame control bytes in little-endian byteorder
 706  */
 707 static inline bool ieee80211_is_cfend(__le16 fc)
 708 {
 709         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 710                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 711 }
 712
 713 /**
 714  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 715  * @fc: frame control bytes in little-endian byteorder
 716  */
 717 static inline bool ieee80211_is_cfendack(__le16 fc)
 718 {
 719         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 720                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 721 }
 722
 723 /**
 724  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 725  * @fc: frame control bytes in little-endian byteorder
 726  */
 727 static inline bool ieee80211_is_nullfunc(__le16 fc)
 728 {
 729         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 730                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 731 }
 732
 733 /**
 734  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 735  * @fc: frame control bytes in little-endian byteorder
 736  */
 737 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 738 {
 739         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 740                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 741 }
 742
 743 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 744 {
 745         unsigned int hdrlen = 24;
 746
 747         if (ieee80211_has_a4(fc))
 748                 hdrlen = 30;
 749
 750         if (ieee80211_is_data_qos(fc)) {
 751                 hdrlen += IEEE80211_QOS_CTL_LEN;
 752                 if (ieee80211_has_order(fc))
 753                         hdrlen += IEEE80211_HT_CTL_LEN;
 754         }
 755
 756         return hdrlen;
 757 }
 758
 759 /**
 760  * ieee80211_is_trigger - check if frame is trigger frame
 761  * @fc: frame control field in little-endian byteorder
 762  */
 763 static inline bool ieee80211_is_trigger(__le16 fc)
 764 {
 765         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 766                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 767 }
 768
 769 /**
 770  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 771  * @fc: frame control bytes in little-endian byteorder
 772  */
 773 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 774 {
 775         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 776 }
 777
 778 /**
 779  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 780  * @fc: frame control field in little-endian byteorder
 781  */
 782 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 783 {
 784         /* IEEE 802.11-2012, definition of "bufferable management frame";
 785          * note that this ignores the IBSS special case. */
 786         return ieee80211_is_mgmt(fc) &&
 787                (ieee80211_is_action(fc) ||
 788                 ieee80211_is_disassoc(fc) ||
 789                 ieee80211_is_deauth(fc));
 790 }
 791
 792 /**
 793  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 794  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 795  */
 796 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 797 {
 798         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 799 }
 800
 801 /**
 802  * ieee80211_is_frag - check if a frame is a fragment
 803  * @hdr: 802.11 header of the frame
 804  */
 805 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 806 {
 807         return ieee80211_has_morefrags(hdr->frame_control) ||
 808                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 809 }
 810
 811 struct ieee80211s_hdr {
 812         u8 flags;
 813         u8 ttl;
 814         __le32 seqnum;
 815         u8 eaddr1[6];
 816         u8 eaddr2[6];
 817 } __packed __aligned(2);
 818
 819 /* Mesh flags */
 820 #define MESH_FLAGS_AE_A4        0x1
 821 #define MESH_FLAGS_AE_A5_A6     0x2
 822 #define MESH_FLAGS_AE           0x3
 823 #define MESH_FLAGS_PS_DEEP      0x4
 824
 825 /**
 826  * enum ieee80211_preq_flags - mesh PREQ element flags
 827  *
 828  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 829  */
 830 enum ieee80211_preq_flags {
 831         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 832 };
 833
 834 /**
 835  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 836  *
 837  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 838  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 839  */
 840 enum ieee80211_preq_target_flags {
 841         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 842         IEEE80211_PREQ_USN_FLAG = 1<<2,
 843 };
 844
 845 /**
 846  * struct ieee80211_quiet_ie
 847  *
 848  * This structure refers to "Quiet information element"
 849  */
 850 struct ieee80211_quiet_ie {
 851         u8 count;
 852         u8 period;
 853         __le16 duration;
 854         __le16 offset;
 855 } __packed;
 856
 857 /**
 858  * struct ieee80211_msrment_ie
 859  *
 860  * This structure refers to "Measurement Request/Report information element"
 861  */
 862 struct ieee80211_msrment_ie {
 863         u8 token;
 864         u8 mode;
 865         u8 type;
 866         u8 request[];
 867 } __packed;
 868
 869 /**
 870  * struct ieee80211_channel_sw_ie
 871  *
 872  * This structure refers to "Channel Switch Announcement information element"
 873  */
 874 struct ieee80211_channel_sw_ie {
 875         u8 mode;
 876         u8 new_ch_num;
 877         u8 count;
 878 } __packed;
 879
 880 /**
 881  * struct ieee80211_ext_chansw_ie
 882  *
 883  * This structure represents the "Extended Channel Switch Announcement element"
 884  */
 885 struct ieee80211_ext_chansw_ie {
 886         u8 mode;
 887         u8 new_operating_class;
 888         u8 new_ch_num;
 889         u8 count;
 890 } __packed;
 891
 892 /**
 893  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 894  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 895  *      values here
 896  * This structure represents the "Secondary Channel Offset element"
 897  */
 898 struct ieee80211_sec_chan_offs_ie {
 899         u8 sec_chan_offs;
 900 } __packed;
 901
 902 /**
 903  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 904  *
 905  * This structure represents the "Mesh Channel Switch Paramters element"
 906  */
 907 struct ieee80211_mesh_chansw_params_ie {
 908         u8 mesh_ttl;
 909         u8 mesh_flags;
 910         __le16 mesh_reason;
 911         __le16 mesh_pre_value;
 912 } __packed;
 913
 914 /**
 915  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 916  */
 917 struct ieee80211_wide_bw_chansw_ie {
 918         u8 new_channel_width;
 919         u8 new_center_freq_seg0, new_center_freq_seg1;
 920 } __packed;
 921
 922 /**
 923  * struct ieee80211_tim
 924  *
 925  * This structure refers to "Traffic Indication Map information element"
 926  */
 927 struct ieee80211_tim_ie {
 928         u8 dtim_count;
 929         u8 dtim_period;
 930         u8 bitmap_ctrl;
 931         /* variable size: 1 - 251 bytes */
 932         u8 virtual_map[1];
 933 } __packed;
 934
 935 /**
 936  * struct ieee80211_meshconf_ie
 937  *
 938  * This structure refers to "Mesh Configuration information element"
 939  */
 940 struct ieee80211_meshconf_ie {
 941         u8 meshconf_psel;
 942         u8 meshconf_pmetric;
 943         u8 meshconf_congest;
 944         u8 meshconf_synch;
 945         u8 meshconf_auth;
 946         u8 meshconf_form;
 947         u8 meshconf_cap;
 948 } __packed;
 949
 950 /**
 951  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 952  *
 953  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 954  *      additional mesh peerings with other mesh STAs
 955  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 956  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 957  *      is ongoing
 958  */
 959 enum mesh_config_capab_flags {
 960         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 961         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 962         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 963 };
 964
 965 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 966
 967 /**
 968  * mesh channel switch parameters element's flag indicator
 969  *
 970  */
 971 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 972 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 973 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 974
 975 /**
 976  * struct ieee80211_rann_ie
 977  *
 978  * This structure refers to "Root Announcement information element"
 979  */
 980 struct ieee80211_rann_ie {
 981         u8 rann_flags;
 982         u8 rann_hopcount;
 983         u8 rann_ttl;
 984         u8 rann_addr[6];
 985         __le32 rann_seq;
 986         __le32 rann_interval;
 987         __le32 rann_metric;
 988 } __packed;
 989
 990 enum ieee80211_rann_flags {
 991         RANN_FLAG_IS_GATE = 1 << 0,
 992 };
 993
 994 enum ieee80211_ht_chanwidth_values {
 995         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 996         IEEE80211_HT_CHANWIDTH_ANY = 1,
 997 };
 998
 999 /**
1000  * enum ieee80211_opmode_bits - VHT operating mode field bits
1001  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1002  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1003  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1004  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1005  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1006  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1007  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1008  *      (the NSS value is the value of this field + 1)
1009  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1010  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1011  *      using a beamforming steering matrix
1012  */
1013 enum ieee80211_vht_opmode_bits {
1014         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1015         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1016         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1017         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1018         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1019         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1020         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1021         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1022         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1023 };
1024
1025 /**
1026  * enum ieee80211_s1g_chanwidth
1027  * These are defined in IEEE802.11-2016ah Table 10-20
1028  * as BSS Channel Width
1029  *
1030  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1031  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1032  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1033  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1034  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1035  */
1036 enum ieee80211_s1g_chanwidth {
1037         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1038         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1039         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1040         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1041         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1042 };
1043
1044 #define WLAN_SA_QUERY_TR_ID_LEN 2
1045 #define WLAN_MEMBERSHIP_LEN 8
1046 #define WLAN_USER_POSITION_LEN 16
1047
1048 /**
1049  * struct ieee80211_tpc_report_ie
1050  *
1051  * This structure refers to "TPC Report element"
1052  */
1053 struct ieee80211_tpc_report_ie {
1054         u8 tx_power;
1055         u8 link_margin;
1056 } __packed;
1057
1058 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1059 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1060 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1061 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1062 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1063
1064 struct ieee80211_addba_ext_ie {
1065         u8 data;
1066 } __packed;
1067
1068 /**
1069  * struct ieee80211_s1g_bcn_compat_ie
1070  *
1071  * S1G Beacon Compatibility element
1072  */
1073 struct ieee80211_s1g_bcn_compat_ie {
1074         __le16 compat_info;
1075         __le16 beacon_int;
1076         __le32 tsf_completion;
1077 } __packed;
1078
1079 /**
1080  * struct ieee80211_s1g_oper_ie
1081  *
1082  * S1G Operation element
1083  */
1084 struct ieee80211_s1g_oper_ie {
1085         u8 ch_width;
1086         u8 oper_class;
1087         u8 primary_ch;
1088         u8 oper_ch;
1089         __le16 basic_mcs_nss;
1090 } __packed;
1091
1092 /**
1093  * struct ieee80211_aid_response_ie
1094  *
1095  * AID Response element
1096  */
1097 struct ieee80211_aid_response_ie {
1098         __le16 aid;
1099         u8 switch_count;
1100         __le16 response_int;
1101 } __packed;
1102
1103 struct ieee80211_s1g_cap {
1104         u8 capab_info[10];
1105         u8 supp_mcs_nss[5];
1106 } __packed;
1107
1108 struct ieee80211_ext {
1109         __le16 frame_control;
1110         __le16 duration;
1111         union {
1112                 struct {
1113                         u8 sa[6];
1114                         __le32 timestamp;
1115                         u8 change_seq;
1116                         u8 variable[0];
1117                 } __packed s1g_beacon;
1118                 struct {
1119                         u8 sa[6];
1120                         __le32 timestamp;
1121                         u8 change_seq;
1122                         u8 next_tbtt[3];
1123                         u8 variable[0];
1124                 } __packed s1g_short_beacon;
1125         } u;
1126 } __packed __aligned(2);
1127
1128 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1129 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1130 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1131 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1132 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1133
1134 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1135 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1136 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1137 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1138 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1139 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1140 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1141 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1142
1143 enum ieee80211_twt_setup_cmd {
1144         TWT_SETUP_CMD_REQUEST,
1145         TWT_SETUP_CMD_SUGGEST,
1146         TWT_SETUP_CMD_DEMAND,
1147         TWT_SETUP_CMD_GROUPING,
1148         TWT_SETUP_CMD_ACCEPT,
1149         TWT_SETUP_CMD_ALTERNATE,
1150         TWT_SETUP_CMD_DICTATE,
1151         TWT_SETUP_CMD_REJECT,
1152 };
1153
1154 struct ieee80211_twt_params {
1155         __le16 req_type;
1156         __le64 twt;
1157         u8 min_twt_dur;
1158         __le16 mantissa;
1159         u8 channel;
1160 } __packed;
1161
1162 struct ieee80211_twt_setup {
1163         u8 dialog_token;
1164         u8 element_id;
1165         u8 length;
1166         u8 control;
1167         u8 params[];
1168 } __packed;
1169
1170 struct ieee80211_mgmt {
1171         __le16 frame_control;
1172         __le16 duration;
1173         u8 da[6];
1174         u8 sa[6];
1175         u8 bssid[6];
1176         __le16 seq_ctrl;
1177         union {
1178                 struct {
1179                         __le16 auth_alg;
1180                         __le16 auth_transaction;
1181                         __le16 status_code;
1182                         /* possibly followed by Challenge text */
1183                         u8 variable[];
1184                 } __packed __aligned(4) auth;
1185                 struct {
1186                         __le16 reason_code;
1187                 } __packed __aligned(4) deauth;
1188                 struct {
1189                         __le16 capab_info;
1190                         __le16 listen_interval;
1191                         /* followed by SSID and Supported rates */
1192                         u8 variable[];
1193                 } __packed __aligned(4) assoc_req;
1194                 struct {
1195                         __le16 capab_info;
1196                         __le16 status_code;
1197                         __le16 aid;
1198                         /* followed by Supported rates */
1199                         u8 variable[];
1200                 } __packed __aligned(4) assoc_resp, reassoc_resp;
1201                 struct {
1202                         __le16 capab_info;
1203                         __le16 status_code;
1204                         u8 variable[];
1205                 } __packed __aligned(4) s1g_assoc_resp, s1g_reassoc_resp;
1206                 struct {
1207                         __le16 capab_info;
1208                         __le16 listen_interval;
1209                         u8 current_ap[6];
1210                         /* followed by SSID and Supported rates */
1211                         u8 variable[];
1212                 } __packed __aligned(4) reassoc_req;
1213                 struct {
1214                         __le16 reason_code;
1215                 } __packed __aligned(4) disassoc;
1216                 struct {
1217                         __le64 timestamp;
1218                         __le16 beacon_int;
1219                         __le16 capab_info;
1220                         /* followed by some of SSID, Supported rates,
1221                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1222                         u8 variable[];
1223                 } __packed __aligned(4) beacon;
1224                 struct {
1225                         /* only variable items: SSID, Supported rates */
1226                         DECLARE_FLEX_ARRAY(u8, variable);
1227                 } __packed __aligned(4) probe_req;
1228                 struct {
1229                         __le64 timestamp;
1230                         __le16 beacon_int;
1231                         __le16 capab_info;
1232                         /* followed by some of SSID, Supported rates,
1233                          * FH Params, DS Params, CF Params, IBSS Params */
1234                         u8 variable[];
1235                 } __packed __aligned(4) probe_resp;
1236                 struct {
1237                         u8 category;
1238                         union {
1239                                 struct {
1240                                         u8 action_code;
1241                                         u8 dialog_token;
1242                                         u8 status_code;
1243                                         u8 variable[];
1244                                 } __packed wme_action;
1245                                 struct{
1246                                         u8 action_code;
1247                                         u8 variable[];
1248                                 } __packed chan_switch;
1249                                 struct{
1250                                         u8 action_code;
1251                                         struct ieee80211_ext_chansw_ie data;
1252                                         u8 variable[];
1253                                 } __packed ext_chan_switch;
1254                                 struct{
1255                                         u8 action_code;
1256                                         u8 dialog_token;
1257                                         u8 element_id;
1258                                         u8 length;
1259                                         struct ieee80211_msrment_ie msr_elem;
1260                                 } __packed measurement;
1261                                 struct{
1262                                         u8 action_code;
1263                                         u8 dialog_token;
1264                                         __le16 capab;
1265                                         __le16 timeout;
1266                                         __le16 start_seq_num;
1267                                         /* followed by BA Extension */
1268                                         u8 variable[];
1269                                 } __packed addba_req;
1270                                 struct{
1271                                         u8 action_code;
1272                                         u8 dialog_token;
1273                                         __le16 status;
1274                                         __le16 capab;
1275                                         __le16 timeout;
1276                                 } __packed addba_resp;
1277                                 struct{
1278                                         u8 action_code;
1279                                         __le16 params;
1280                                         __le16 reason_code;
1281                                 } __packed delba;
1282                                 struct {
1283                                         u8 action_code;
1284                                         u8 variable[];
1285                                 } __packed self_prot;
1286                                 struct{
1287                                         u8 action_code;
1288                                         u8 variable[];
1289                                 } __packed mesh_action;
1290                                 struct {
1291                                         u8 action;
1292                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1293                                 } __packed sa_query;
1294                                 struct {
1295                                         u8 action;
1296                                         u8 smps_control;
1297                                 } __packed ht_smps;
1298                                 struct {
1299                                         u8 action_code;
1300                                         u8 chanwidth;
1301                                 } __packed ht_notify_cw;
1302                                 struct {
1303                                         u8 action_code;
1304                                         u8 dialog_token;
1305                                         __le16 capability;
1306                                         u8 variable[0];
1307                                 } __packed tdls_discover_resp;
1308                                 struct {
1309                                         u8 action_code;
1310                                         u8 operating_mode;
1311                                 } __packed vht_opmode_notif;
1312                                 struct {
1313                                         u8 action_code;
1314                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1315                                         u8 position[WLAN_USER_POSITION_LEN];
1316                                 } __packed vht_group_notif;
1317                                 struct {
1318                                         u8 action_code;
1319                                         u8 dialog_token;
1320                                         u8 tpc_elem_id;
1321                                         u8 tpc_elem_length;
1322                                         struct ieee80211_tpc_report_ie tpc;
1323                                 } __packed tpc_report;
1324                                 struct {
1325                                         u8 action_code;
1326                                         u8 dialog_token;
1327                                         u8 follow_up;
1328                                         u8 tod[6];
1329                                         u8 toa[6];
1330                                         __le16 tod_error;
1331                                         __le16 toa_error;
1332                                         u8 variable[];
1333                                 } __packed ftm;
1334                                 struct {
1335                                         u8 action_code;
1336                                         u8 variable[];
1337                                 } __packed s1g;
1338                                 struct {
1339                                         u8 action_code;
1340                                         u8 dialog_token;
1341                                         u8 follow_up;
1342                                         u32 tod;
1343                                         u32 toa;
1344                                         u8 max_tod_error;
1345                                         u8 max_toa_error;
1346                                 } __packed wnm_timing_msr;
1347                         } u;
1348                 } __packed __aligned(4) action;
1349         } u __aligned(2);
1350 } __packed __aligned(2);
1351
1352 /* Supported rates membership selectors */
1353 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1354 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1355 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1356 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1357
1358 /* mgmt header + 1 byte category code */
1359 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1360
1361
1362 /* Management MIC information element (IEEE 802.11w) */
1363 struct ieee80211_mmie {
1364         u8 element_id;
1365         u8 length;
1366         __le16 key_id;
1367         u8 sequence_number[6];
1368         u8 mic[8];
1369 } __packed;
1370
1371 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1372 struct ieee80211_mmie_16 {
1373         u8 element_id;
1374         u8 length;
1375         __le16 key_id;
1376         u8 sequence_number[6];
1377         u8 mic[16];
1378 } __packed;
1379
1380 struct ieee80211_vendor_ie {
1381         u8 element_id;
1382         u8 len;
1383         u8 oui[3];
1384         u8 oui_type;
1385 } __packed;
1386
1387 struct ieee80211_wmm_ac_param {
1388         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1389         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1390         __le16 txop_limit;
1391 } __packed;
1392
1393 struct ieee80211_wmm_param_ie {
1394         u8 element_id; /* Element ID: 221 (0xdd); */
1395         u8 len; /* Length: 24 */
1396         /* required fields for WMM version 1 */
1397         u8 oui[3]; /* 00:50:f2 */
1398         u8 oui_type; /* 2 */
1399         u8 oui_subtype; /* 1 */
1400         u8 version; /* 1 for WMM version 1.0 */
1401         u8 qos_info; /* AP/STA specific QoS info */
1402         u8 reserved; /* 0 */
1403         /* AC_BE, AC_BK, AC_VI, AC_VO */
1404         struct ieee80211_wmm_ac_param ac[4];
1405 } __packed;
1406
1407 /* Control frames */
1408 struct ieee80211_rts {
1409         __le16 frame_control;
1410         __le16 duration;
1411         u8 ra[6];
1412         u8 ta[6];
1413 } __packed __aligned(2);
1414
1415 struct ieee80211_cts {
1416         __le16 frame_control;
1417         __le16 duration;
1418         u8 ra[6];
1419 } __packed __aligned(2);
1420
1421 struct ieee80211_pspoll {
1422         __le16 frame_control;
1423         __le16 aid;
1424         u8 bssid[6];
1425         u8 ta[6];
1426 } __packed __aligned(2);
1427
1428 /* TDLS */
1429
1430 /* Channel switch timing */
1431 struct ieee80211_ch_switch_timing {
1432         __le16 switch_time;
1433         __le16 switch_timeout;
1434 } __packed;
1435
1436 /* Link-id information element */
1437 struct ieee80211_tdls_lnkie {
1438         u8 ie_type; /* Link Identifier IE */
1439         u8 ie_len;
1440         u8 bssid[6];
1441         u8 init_sta[6];
1442         u8 resp_sta[6];
1443 } __packed;
1444
1445 struct ieee80211_tdls_data {
1446         u8 da[6];
1447         u8 sa[6];
1448         __be16 ether_type;
1449         u8 payload_type;
1450         u8 category;
1451         u8 action_code;
1452         union {
1453                 struct {
1454                         u8 dialog_token;
1455                         __le16 capability;
1456                         u8 variable[0];
1457                 } __packed setup_req;
1458                 struct {
1459                         __le16 status_code;
1460                         u8 dialog_token;
1461                         __le16 capability;
1462                         u8 variable[0];
1463                 } __packed setup_resp;
1464                 struct {
1465                         __le16 status_code;
1466                         u8 dialog_token;
1467                         u8 variable[0];
1468                 } __packed setup_cfm;
1469                 struct {
1470                         __le16 reason_code;
1471                         u8 variable[0];
1472                 } __packed teardown;
1473                 struct {
1474                         u8 dialog_token;
1475                         u8 variable[0];
1476                 } __packed discover_req;
1477                 struct {
1478                         u8 target_channel;
1479                         u8 oper_class;
1480                         u8 variable[0];
1481                 } __packed chan_switch_req;
1482                 struct {
1483                         __le16 status_code;
1484                         u8 variable[0];
1485                 } __packed chan_switch_resp;
1486         } u;
1487 } __packed;
1488
1489 /*
1490  * Peer-to-Peer IE attribute related definitions.
1491  */
1492 /**
1493  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1494  */
1495 enum ieee80211_p2p_attr_id {
1496         IEEE80211_P2P_ATTR_STATUS = 0,
1497         IEEE80211_P2P_ATTR_MINOR_REASON,
1498         IEEE80211_P2P_ATTR_CAPABILITY,
1499         IEEE80211_P2P_ATTR_DEVICE_ID,
1500         IEEE80211_P2P_ATTR_GO_INTENT,
1501         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1502         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1503         IEEE80211_P2P_ATTR_GROUP_BSSID,
1504         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1505         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1506         IEEE80211_P2P_ATTR_MANAGABILITY,
1507         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1508         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1509         IEEE80211_P2P_ATTR_DEVICE_INFO,
1510         IEEE80211_P2P_ATTR_GROUP_INFO,
1511         IEEE80211_P2P_ATTR_GROUP_ID,
1512         IEEE80211_P2P_ATTR_INTERFACE,
1513         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1514         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1515         /* 19 - 220: Reserved */
1516         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1517
1518         IEEE80211_P2P_ATTR_MAX
1519 };
1520
1521 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1522 /* Typical max value used here */
1523 #define IEEE80211_P2P_NOA_DESC_MAX      4
1524
1525 struct ieee80211_p2p_noa_desc {
1526         u8 count;
1527         __le32 duration;
1528         __le32 interval;
1529         __le32 start_time;
1530 } __packed;
1531
1532 struct ieee80211_p2p_noa_attr {
1533         u8 index;
1534         u8 oppps_ctwindow;
1535         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1536 } __packed;
1537
1538 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1539 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1540
1541 /**
1542  * struct ieee80211_bar - HT Block Ack Request
1543  *
1544  * This structure refers to "HT BlockAckReq" as
1545  * described in 802.11n draft section 7.2.1.7.1
1546  */
1547 struct ieee80211_bar {
1548         __le16 frame_control;
1549         __le16 duration;
1550         __u8 ra[6];
1551         __u8 ta[6];
1552         __le16 control;
1553         __le16 start_seq_num;
1554 } __packed __aligned(2);
1555
1556 /* 802.11 BA(R) control masks */
1557 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1558 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1559 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1560 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1561 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1562
1563 /**
1564  * struct ieee80211_ba - HT Block Ack
1565  *
1566  * This structure refers to "HT BlockAck" as
1567  * described in 802.11n draft section 7.2.1.8.1
1568  */
1569 struct ieee80211_ba {
1570         __le16 frame_control;
1571         __le16 duration;
1572         u8 ra[6];
1573         u8 ta[6];
1574         __le16 control;
1575
1576         __le16 start_seq_num;
1577         u8 bitmap[8];
1578 } __packed;
1579
1580 #define IEEE80211_HT_MCS_MASK_LEN               10
1581
1582 /**
1583  * struct ieee80211_mcs_info - MCS information
1584  * @rx_mask: RX mask
1585  * @rx_highest: highest supported RX rate. If set represents
1586  *      the highest supported RX data rate in units of 1 Mbps.
1587  *      If this field is 0 this value should not be used to
1588  *      consider the highest RX data rate supported.
1589  * @tx_params: TX parameters
1590  */
1591 struct ieee80211_mcs_info {
1592         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1593         __le16 rx_highest;
1594         u8 tx_params;
1595         u8 reserved[3];
1596 } __packed;
1597
1598 /* 802.11n HT capability MSC set */
1599 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1600 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1601 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1602 /* value 0 == 1 stream etc */
1603 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1604 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1605 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1606 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1607
1608 /*
1609  * 802.11n D5.0 20.3.5 / 20.6 says:
1610  * - indices 0 to 7 and 32 are single spatial stream
1611  * - 8 to 31 are multiple spatial streams using equal modulation
1612  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1613  * - remainder are multiple spatial streams using unequal modulation
1614  */
1615 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1616 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1617         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1618
1619 /**
1620  * struct ieee80211_ht_cap - HT capabilities
1621  *
1622  * This structure is the "HT capabilities element" as
1623  * described in 802.11n D5.0 7.3.2.57
1624  */
1625 struct ieee80211_ht_cap {
1626         __le16 cap_info;
1627         u8 ampdu_params_info;
1628
1629         /* 16 bytes MCS information */
1630         struct ieee80211_mcs_info mcs;
1631
1632         __le16 extended_ht_cap_info;
1633         __le32 tx_BF_cap_info;
1634         u8 antenna_selection_info;
1635 } __packed;
1636
1637 /* 802.11n HT capabilities masks (for cap_info) */
1638 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1639 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1640 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1641 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1642 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1643 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1644 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1645 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1646 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1647 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1648 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1649 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1650 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1651 #define IEEE80211_HT_CAP_RESERVED               0x2000
1652 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1653 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1654
1655 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1656 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1657 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1658 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1659 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1660 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1661 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1662 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1663
1664 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1665 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1666 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1667 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1668
1669 /*
1670  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1671  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1672  */
1673 enum ieee80211_max_ampdu_length_exp {
1674         IEEE80211_HT_MAX_AMPDU_8K = 0,
1675         IEEE80211_HT_MAX_AMPDU_16K = 1,
1676         IEEE80211_HT_MAX_AMPDU_32K = 2,
1677         IEEE80211_HT_MAX_AMPDU_64K = 3
1678 };
1679
1680 /*
1681  * Maximum length of AMPDU that the STA can receive in VHT.
1682  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1683  */
1684 enum ieee80211_vht_max_ampdu_length_exp {
1685         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1686         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1687         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1688         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1689         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1690         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1691         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1692         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1693 };
1694
1695 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1696
1697 /* Minimum MPDU start spacing */
1698 enum ieee80211_min_mpdu_spacing {
1699         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1700         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1701         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1702         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1703         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1704         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1705         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1706         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1707 };
1708
1709 /**
1710  * struct ieee80211_ht_operation - HT operation IE
1711  *
1712  * This structure is the "HT operation element" as
1713  * described in 802.11n-2009 7.3.2.57
1714  */
1715 struct ieee80211_ht_operation {
1716         u8 primary_chan;
1717         u8 ht_param;
1718         __le16 operation_mode;
1719         __le16 stbc_param;
1720         u8 basic_set[16];
1721 } __packed;
1722
1723 /* for ht_param */
1724 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1725 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1726 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1727 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1728 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1729 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1730
1731 /* for operation_mode */
1732 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1733 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1734 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1735 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1736 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1737 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1738 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1739 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1740 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1741
1742 /* for stbc_param */
1743 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1744 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1745 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1746 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1747 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1748 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1749
1750
1751 /* block-ack parameters */
1752 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1753 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1754 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1755 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1756 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1757 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1758
1759 /*
1760  * A-MPDU buffer sizes
1761  * According to HT size varies from 8 to 64 frames
1762  * HE adds the ability to have up to 256 frames.
1763  * EHT adds the ability to have up to 1K frames.
1764  */
1765 #define IEEE80211_MIN_AMPDU_BUF         0x8
1766 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1767 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1768 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1769
1770
1771 /* Spatial Multiplexing Power Save Modes (for capability) */
1772 #define WLAN_HT_CAP_SM_PS_STATIC        0
1773 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1774 #define WLAN_HT_CAP_SM_PS_INVALID       2
1775 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1776
1777 /* for SM power control field lower two bits */
1778 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1779 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1780 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1781
1782 /**
1783  * struct ieee80211_vht_mcs_info - VHT MCS information
1784  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1785  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1786  *      STA can receive. Rate expressed in units of 1 Mbps.
1787  *      If this field is 0 this value should not be used to
1788  *      consider the highest RX data rate supported.
1789  *      The top 3 bits of this field indicate the Maximum NSTS,total
1790  *      (a beamformee capability.)
1791  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1792  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1793  *      STA can transmit. Rate expressed in units of 1 Mbps.
1794  *      If this field is 0 this value should not be used to
1795  *      consider the highest TX data rate supported.
1796  *      The top 2 bits of this field are reserved, the
1797  *      3rd bit from the top indiciates VHT Extended NSS BW
1798  *      Capability.
1799  */
1800 struct ieee80211_vht_mcs_info {
1801         __le16 rx_mcs_map;
1802         __le16 rx_highest;
1803         __le16 tx_mcs_map;
1804         __le16 tx_highest;
1805 } __packed;
1806
1807 /* for rx_highest */
1808 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1809 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1810
1811 /* for tx_highest */
1812 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1813
1814 /**
1815  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1816  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1817  *      number of streams
1818  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1819  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1820  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1821  *
1822  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1823  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1824  * both split into 8 subfields by number of streams. These values indicate
1825  * which MCSes are supported for the number of streams the value appears
1826  * for.
1827  */
1828 enum ieee80211_vht_mcs_support {
1829         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1830         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1831         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1832         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1833 };
1834
1835 /**
1836  * struct ieee80211_vht_cap - VHT capabilities
1837  *
1838  * This structure is the "VHT capabilities element" as
1839  * described in 802.11ac D3.0 8.4.2.160
1840  * @vht_cap_info: VHT capability info
1841  * @supp_mcs: VHT MCS supported rates
1842  */
1843 struct ieee80211_vht_cap {
1844         __le32 vht_cap_info;
1845         struct ieee80211_vht_mcs_info supp_mcs;
1846 } __packed;
1847
1848 /**
1849  * enum ieee80211_vht_chanwidth - VHT channel width
1850  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1851  *      determine the channel width (20 or 40 MHz)
1852  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1853  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1854  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1855  */
1856 enum ieee80211_vht_chanwidth {
1857         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1858         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1859         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1860         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1861 };
1862
1863 /**
1864  * struct ieee80211_vht_operation - VHT operation IE
1865  *
1866  * This structure is the "VHT operation element" as
1867  * described in 802.11ac D3.0 8.4.2.161
1868  * @chan_width: Operating channel width
1869  * @center_freq_seg0_idx: center freq segment 0 index
1870  * @center_freq_seg1_idx: center freq segment 1 index
1871  * @basic_mcs_set: VHT Basic MCS rate set
1872  */
1873 struct ieee80211_vht_operation {
1874         u8 chan_width;
1875         u8 center_freq_seg0_idx;
1876         u8 center_freq_seg1_idx;
1877         __le16 basic_mcs_set;
1878 } __packed;
1879
1880 /**
1881  * struct ieee80211_he_cap_elem - HE capabilities element
1882  *
1883  * This structure is the "HE capabilities element" fixed fields as
1884  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1885  */
1886 struct ieee80211_he_cap_elem {
1887         u8 mac_cap_info[6];
1888         u8 phy_cap_info[11];
1889 } __packed;
1890
1891 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1892
1893 /**
1894  * enum ieee80211_he_mcs_support - HE MCS support definitions
1895  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1896  *      number of streams
1897  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1898  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1899  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1900  *
1901  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1902  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1903  * both split into 8 subfields by number of streams. These values indicate
1904  * which MCSes are supported for the number of streams the value appears
1905  * for.
1906  */
1907 enum ieee80211_he_mcs_support {
1908         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1909         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1910         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1911         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1912 };
1913
1914 /**
1915  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1916  *
1917  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1918  * described in P802.11ax_D2.0 section 9.4.2.237.4
1919  *
1920  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1921  *     widths less than 80MHz.
1922  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1923  *     widths less than 80MHz.
1924  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1925  *     width 160MHz.
1926  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1927  *     width 160MHz.
1928  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1929  *     channel width 80p80MHz.
1930  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1931  *     channel width 80p80MHz.
1932  */
1933 struct ieee80211_he_mcs_nss_supp {
1934         __le16 rx_mcs_80;
1935         __le16 tx_mcs_80;
1936         __le16 rx_mcs_160;
1937         __le16 tx_mcs_160;
1938         __le16 rx_mcs_80p80;
1939         __le16 tx_mcs_80p80;
1940 } __packed;
1941
1942 /**
1943  * struct ieee80211_he_operation - HE capabilities element
1944  *
1945  * This structure is the "HE operation element" fields as
1946  * described in P802.11ax_D4.0 section 9.4.2.243
1947  */
1948 struct ieee80211_he_operation {
1949         __le32 he_oper_params;
1950         __le16 he_mcs_nss_set;
1951         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1952         u8 optional[];
1953 } __packed;
1954
1955 /**
1956  * struct ieee80211_he_spr - HE spatial reuse element
1957  *
1958  * This structure is the "HE spatial reuse element" element as
1959  * described in P802.11ax_D4.0 section 9.4.2.241
1960  */
1961 struct ieee80211_he_spr {
1962         u8 he_sr_control;
1963         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1964         u8 optional[];
1965 } __packed;
1966
1967 /**
1968  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1969  *
1970  * This structure is the "MU AC Parameter Record" fields as
1971  * described in P802.11ax_D4.0 section 9.4.2.245
1972  */
1973 struct ieee80211_he_mu_edca_param_ac_rec {
1974         u8 aifsn;
1975         u8 ecw_min_max;
1976         u8 mu_edca_timer;
1977 } __packed;
1978
1979 /**
1980  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1981  *
1982  * This structure is the "MU EDCA Parameter Set element" fields as
1983  * described in P802.11ax_D4.0 section 9.4.2.245
1984  */
1985 struct ieee80211_mu_edca_param_set {
1986         u8 mu_qos_info;
1987         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1988         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1989         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1990         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1991 } __packed;
1992
1993 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1994 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1995
1996 /**
1997  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1998  * supported NSS for per MCS.
1999  *
2000  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2001  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2002  * for Tx.
2003  *
2004  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2005  *     supported for reception and the maximum number of spatial streams
2006  *     supported for transmission for MCS 0 - 7.
2007  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2008  *     supported for reception and the maximum number of spatial streams
2009  *     supported for transmission for MCS 8 - 9.
2010  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2011  *     supported for reception and the maximum number of spatial streams
2012  *     supported for transmission for MCS 10 - 11.
2013  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2014  *     supported for reception and the maximum number of spatial streams
2015  *     supported for transmission for MCS 12 - 13.
2016  */
2017 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2018         u8 rx_tx_mcs7_max_nss;
2019         u8 rx_tx_mcs9_max_nss;
2020         u8 rx_tx_mcs11_max_nss;
2021         u8 rx_tx_mcs13_max_nss;
2022 };
2023
2024 /**
2025  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2026  * 20MHz only stations).
2027  *
2028  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2029  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2030  * for Tx.
2031  *
2032  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2033  *     supported for reception and the maximum number of spatial streams
2034  *     supported for transmission for MCS 0 - 9.
2035  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2036  *     supported for reception and the maximum number of spatial streams
2037  *     supported for transmission for MCS 10 - 11.
2038  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2039  *     supported for reception and the maximum number of spatial streams
2040  *     supported for transmission for MCS 12 - 13.
2041  */
2042 struct ieee80211_eht_mcs_nss_supp_bw {
2043         u8 rx_tx_mcs9_max_nss;
2044         u8 rx_tx_mcs11_max_nss;
2045         u8 rx_tx_mcs13_max_nss;
2046 };
2047
2048 /**
2049  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2050  *
2051  * This structure is the "EHT Capabilities element" fixed fields as
2052  * described in P802.11be_D2.0 section 9.4.2.313.
2053  *
2054  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2055  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2056  */
2057 struct ieee80211_eht_cap_elem_fixed {
2058         u8 mac_cap_info[2];
2059         u8 phy_cap_info[9];
2060 } __packed;
2061
2062 /**
2063  * struct ieee80211_eht_cap_elem - EHT capabilities element
2064  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2065  * @optional: optional parts
2066  */
2067 struct ieee80211_eht_cap_elem {
2068         struct ieee80211_eht_cap_elem_fixed fixed;
2069
2070         /*
2071          * Followed by:
2072          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2073          * EHT PPE Thresholds field: variable length.
2074          */
2075         u8 optional[];
2076 } __packed;
2077
2078 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2079 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2080 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2081 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2082 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2083
2084 /**
2085  * struct ieee80211_eht_operation - eht operation element
2086  *
2087  * This structure is the "EHT Operation Element" fields as
2088  * described in P802.11be_D2.0 section 9.4.2.311
2089  *
2090  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2091  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2092  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2093  *     receive.
2094  * @optional: optional parts
2095  */
2096 struct ieee80211_eht_operation {
2097         u8 params;
2098         __le32 basic_mcs_nss;
2099         u8 optional[];
2100 } __packed;
2101
2102 /**
2103  * struct ieee80211_eht_operation_info - eht operation information
2104  *
2105  * @control: EHT operation information control.
2106  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2107  *     EHT BSS.
2108  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2109  * @optional: optional parts
2110  */
2111 struct ieee80211_eht_operation_info {
2112         u8 control;
2113         u8 ccfs0;
2114         u8 ccfs1;
2115         u8 optional[];
2116 } __packed;
2117
2118 /* 802.11ac VHT Capabilities */
2119 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2120 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2121 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2122 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2123 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2124 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2125 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2126 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2127 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2128 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2129 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2130 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2131 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2132 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2133 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2134 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2135 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2136 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2137 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2138 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2139 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2140 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2141                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2142 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2143 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2144                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2145 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2146 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2147 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2148 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2149 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2150 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2151                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2152 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2153 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2154 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2155 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2156 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2157 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2158
2159 /**
2160  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2161  * @cap: VHT capabilities of the peer
2162  * @bw: bandwidth to use
2163  * @mcs: MCS index to use
2164  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2165  *      (rate scaling algorithm) can deal with the new logic
2166  *      (dot11VHTExtendedNSSBWCapable)
2167  * @max_vht_nss: current maximum NSS as advertised by the STA in
2168  *      operating mode notification, can be 0 in which case the
2169  *      capability data will be used to derive this (from MCS support)
2170  *
2171  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2172  * vary for a given BW/MCS. This function parses the data.
2173  *
2174  * Note: This function is exported by cfg80211.
2175  */
2176 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2177                               enum ieee80211_vht_chanwidth bw,
2178                               int mcs, bool ext_nss_bw_capable,
2179                               unsigned int max_vht_nss);
2180
2181 /**
2182  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2183  *
2184  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2185  * @IEEE80211_REG_LPI: Indoor Access Point
2186  * @IEEE80211_REG_SP: Standard power Access Point
2187  * @IEEE80211_REG_VLP: Very low power Access Point
2188  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2189  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2190  */
2191 enum ieee80211_ap_reg_power {
2192         IEEE80211_REG_UNSET_AP,
2193         IEEE80211_REG_LPI_AP,
2194         IEEE80211_REG_SP_AP,
2195         IEEE80211_REG_VLP_AP,
2196         IEEE80211_REG_AP_POWER_AFTER_LAST,
2197         IEEE80211_REG_AP_POWER_MAX =
2198                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2199 };
2200
2201 /**
2202  * enum ieee80211_client_reg_power - regulatory power for a client
2203  *
2204  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2205  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2206  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2207  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2208  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2209  */
2210 enum ieee80211_client_reg_power {
2211         IEEE80211_REG_UNSET_CLIENT,
2212         IEEE80211_REG_DEFAULT_CLIENT,
2213         IEEE80211_REG_SUBORDINATE_CLIENT,
2214         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2215         IEEE80211_REG_CLIENT_POWER_MAX =
2216                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2217 };
2218
2219 /* 802.11ax HE MAC capabilities */
2220 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2221 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2222 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2223 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2224 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2225 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2226 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2227 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2228 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2229 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2230 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2231 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2232 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2233 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2234 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2235 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2236 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2237
2238 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2239 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2240 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2241 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2242 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2243 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2244 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2245 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2246 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2247 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2248 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2249 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2250 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2251 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2252 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2253 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2254 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2255 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2256
2257 /* Link adaptation is split between byte HE_MAC_CAP1 and
2258  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2259  * in which case the following values apply:
2260  * 0 = No feedback.
2261  * 1 = reserved.
2262  * 2 = Unsolicited feedback.
2263  * 3 = both
2264  */
2265 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2266
2267 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2268 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2269 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2270 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2271 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2272 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2273 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2274 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2275
2276 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2277 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2278
2279 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2280  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2281  * same field in the HE capabilities.
2282  */
2283 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2284 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2285 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2286 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2287 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2288 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2289 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2290 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2291
2292 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2293 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2294 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2295 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2296 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2297 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2298 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2299 /* Multi TID agg TX is split between byte #4 and #5
2300  * The value is a combination of B39,B40,B41
2301  */
2302 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2303
2304 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2305 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2306 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2307 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2308 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2309 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2310 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2311 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2312
2313 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2314 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2315 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2316
2317 /* 802.11ax HE PHY capabilities */
2318 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2319 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2320 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2321 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2322 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2323
2324 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2325 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2326 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2327
2328 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2329 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2330 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2331 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2332 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2333 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2334 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2335 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2336 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2337 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2338
2339 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2340 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2341 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2342 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2343 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2344 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2345
2346 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2347  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2348  * case it indicates support for Tx.
2349  */
2350 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2351 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2352
2353 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2354 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2355 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2356 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2357 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2358 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2359 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2360 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2361 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2362 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2363 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2364 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2365 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2366 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2367 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2368 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2369
2370 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2371 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2372
2373 /* Minimal allowed value of Max STS under 80MHz is 3 */
2374 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2375 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2376 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2377 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2378 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2379 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2380
2381 /* Minimal allowed value of Max STS above 80MHz is 3 */
2382 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2383 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2384 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2385 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2386 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2387 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2388
2389 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2390 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2391 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2392 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2393 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2394 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2395 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2396 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2397 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2398
2399 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2400 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2401 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2402 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2403 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2404 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2405 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2406 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2407 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2408
2409 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2410 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2411
2412 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2413 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2414 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2415 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2416 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2417 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2418 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2419 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2420
2421 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2422 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2423 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2424 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2425 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2426 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2427 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2428 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2429 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2430 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2431 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2432 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2433 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2434
2435 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2436 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2437 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2438 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2439 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2440 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2441 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2442 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2443 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2444 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2445 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2446
2447 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2448 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2449 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2450 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2451 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2452 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2453 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2454 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2455 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2456 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2457 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2458 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2459
2460 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2461
2462 /* 802.11ax HE TX/RX MCS NSS Support  */
2463 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2464 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2465 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2466 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2467 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2468
2469 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2470 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2471         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2472         HIGHEST_MCS_SUPPORTED_MCS8,
2473         HIGHEST_MCS_SUPPORTED_MCS9,
2474         HIGHEST_MCS_SUPPORTED_MCS10,
2475         HIGHEST_MCS_SUPPORTED_MCS11,
2476 };
2477
2478 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2479 static inline u8
2480 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2481 {
2482         u8 count = 4;
2483
2484         if (he_cap->phy_cap_info[0] &
2485             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2486                 count += 4;
2487
2488         if (he_cap->phy_cap_info[0] &
2489             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2490                 count += 4;
2491
2492         return count;
2493 }
2494
2495 /* 802.11ax HE PPE Thresholds */
2496 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2497 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2498 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2499 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2500         (BIT(5) | BIT(6))
2501 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2502 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2503 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2504 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2505
2506 /*
2507  * Calculate 802.11ax HE capabilities IE PPE field size
2508  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2509  */
2510 static inline u8
2511 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2512 {
2513         u8 n;
2514
2515         if ((phy_cap_info[6] &
2516              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2517                 return 0;
2518
2519         n = hweight8(ppe_thres_hdr &
2520                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2521         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2522                    IEEE80211_PPE_THRES_NSS_POS));
2523
2524         /*
2525          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2526          * total size.
2527          */
2528         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2529         n = DIV_ROUND_UP(n, 8);
2530
2531         return n;
2532 }
2533
2534 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2535 {
2536         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2537         u8 needed = sizeof(*he_cap_ie_elem);
2538
2539         if (len < needed)
2540                 return false;
2541
2542         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2543         if (len < needed)
2544                 return false;
2545
2546         if (he_cap_ie_elem->phy_cap_info[6] &
2547                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2548                 if (len < needed + 1)
2549                         return false;
2550                 needed += ieee80211_he_ppe_size(data[needed],
2551                                                 he_cap_ie_elem->phy_cap_info);
2552         }
2553
2554         return len >= needed;
2555 }
2556
2557 /* HE Operation defines */
2558 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2559 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2560 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2561 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2562 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2563 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2564 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2565 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2566 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2567 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2568 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2569 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2570
2571 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2572 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2573
2574 /**
2575  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2576  * @primary: primary channel
2577  * @control: control flags
2578  * @ccfs0: channel center frequency segment 0
2579  * @ccfs1: channel center frequency segment 1
2580  * @minrate: minimum rate (in 1 Mbps units)
2581  */
2582 struct ieee80211_he_6ghz_oper {
2583         u8 primary;
2584 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2585 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2586 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2587 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2588 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2589 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2590 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2591         u8 control;
2592         u8 ccfs0;
2593         u8 ccfs1;
2594         u8 minrate;
2595 } __packed;
2596
2597 /*
2598  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2599  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2600  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2601  * Info subfield encoding in the United States".
2602  * So it it totally max 8 Transmit Power Envelope element.
2603  */
2604 #define IEEE80211_TPE_MAX_IE_COUNT      8
2605 /*
2606  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2607  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2608  */
2609 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2610
2611 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2612
2613 /* transmit power interpretation type of transmit power envelope element */
2614 enum ieee80211_tx_power_intrpt_type {
2615         IEEE80211_TPE_LOCAL_EIRP,
2616         IEEE80211_TPE_LOCAL_EIRP_PSD,
2617         IEEE80211_TPE_REG_CLIENT_EIRP,
2618         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2619 };
2620
2621 /**
2622  * struct ieee80211_tx_pwr_env
2623  *
2624  * This structure represents the "Transmit Power Envelope element"
2625  */
2626 struct ieee80211_tx_pwr_env {
2627         u8 tx_power_info;
2628         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2629 } __packed;
2630
2631 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2632 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2633 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2634
2635 /*
2636  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2637  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2638  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2639  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2640  *      validated this.
2641  * @return the actual size of the IE data (not including header), or 0 on error
2642  */
2643 static inline u8
2644 ieee80211_he_oper_size(const u8 *he_oper_ie)
2645 {
2646         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2647         u8 oper_len = sizeof(struct ieee80211_he_operation);
2648         u32 he_oper_params;
2649
2650         /* Make sure the input is not NULL */
2651         if (!he_oper_ie)
2652                 return 0;
2653
2654         /* Calc required length */
2655         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2656         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2657                 oper_len += 3;
2658         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2659                 oper_len++;
2660         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2661                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2662
2663         /* Add the first byte (extension ID) to the total length */
2664         oper_len++;
2665
2666         return oper_len;
2667 }
2668
2669 /**
2670  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2671  * @he_oper: HE operation element (must be pre-validated for size)
2672  *      but may be %NULL
2673  *
2674  * Return: a pointer to the 6 GHz operation field, or %NULL
2675  */
2676 static inline const struct ieee80211_he_6ghz_oper *
2677 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2678 {
2679         const u8 *ret = (const void *)&he_oper->optional;
2680         u32 he_oper_params;
2681
2682         if (!he_oper)
2683                 return NULL;
2684
2685         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2686
2687         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2688                 return NULL;
2689         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2690                 ret += 3;
2691         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2692                 ret++;
2693
2694         return (const void *)ret;
2695 }
2696
2697 /* HE Spatial Reuse defines */
2698 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2699 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2700 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2701 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2702 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2703
2704 /*
2705  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2706  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2707  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2708  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2709  *      this
2710  * @return the actual size of the IE data (not including header), or 0 on error
2711  */
2712 static inline u8
2713 ieee80211_he_spr_size(const u8 *he_spr_ie)
2714 {
2715         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2716         u8 spr_len = sizeof(struct ieee80211_he_spr);
2717         u8 he_spr_params;
2718
2719         /* Make sure the input is not NULL */
2720         if (!he_spr_ie)
2721                 return 0;
2722
2723         /* Calc required length */
2724         he_spr_params = he_spr->he_sr_control;
2725         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2726                 spr_len++;
2727         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2728                 spr_len += 18;
2729
2730         /* Add the first byte (extension ID) to the total length */
2731         spr_len++;
2732
2733         return spr_len;
2734 }
2735
2736 /* S1G Capabilities Information field */
2737 #define IEEE80211_S1G_CAPABILITY_LEN    15
2738
2739 #define S1G_CAP0_S1G_LONG       BIT(0)
2740 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2741 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2742 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2743 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2744 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2745 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2746
2747 #define S1G_SUPP_CH_WIDTH_2     0
2748 #define S1G_SUPP_CH_WIDTH_4     1
2749 #define S1G_SUPP_CH_WIDTH_8     2
2750 #define S1G_SUPP_CH_WIDTH_16    3
2751 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2752                                                     cap[0])) << 1)
2753
2754 #define S1G_CAP1_RX_LDPC        BIT(0)
2755 #define S1G_CAP1_TX_STBC        BIT(1)
2756 #define S1G_CAP1_RX_STBC        BIT(2)
2757 #define S1G_CAP1_SU_BFER        BIT(3)
2758 #define S1G_CAP1_SU_BFEE        BIT(4)
2759 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2760
2761 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2762 #define S1G_CAP2_MU_BFER                BIT(3)
2763 #define S1G_CAP2_MU_BFEE                BIT(4)
2764 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2765 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2766
2767 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2768 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2769 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2770 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2771 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2772
2773 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2774 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2775 #define S1G_CAP4_BAT            BIT(2)
2776 #define S1G_CAP4_TIME_ADE       BIT(3)
2777 #define S1G_CAP4_NON_TIM        BIT(4)
2778 #define S1G_CAP4_GROUP_AID      BIT(5)
2779 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2780
2781 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2782 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2783 #define S1G_CAP5_AMSDU                  BIT(2)
2784 #define S1G_CAP5_AMPDU                  BIT(3)
2785 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2786 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2787 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2788
2789 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2790 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2791 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2792 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2793 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2794 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2795 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2796
2797 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2798 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2799 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2800 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2801 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2802 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2803 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2804 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2805
2806 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2807 #define S1G_CAP8_BDT            BIT(1)
2808 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2809 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2810 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2811 #define S1G_CAP8_PV1_FRAME      BIT(7)
2812
2813 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2814
2815 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2816 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2817
2818 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2819 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2820 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2821 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2822 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2823 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2824 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2825 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2826 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2827 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2828 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2829
2830 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2831
2832 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2833 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2834 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2835 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2836 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2837 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2838 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2839
2840 /* EHT beamformee number of spatial streams <= 80MHz is split */
2841 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2842 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2843
2844 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2845 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2846
2847 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2848 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2849
2850 /* EHT number of sounding dimensions for 320MHz is split */
2851 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2852 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2853 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2854 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2855 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2856 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2857 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2858 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2859 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2860
2861 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2862 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2863 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2864 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2865 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2866
2867 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2868 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2869 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2870 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2871 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2872 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2873 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2874 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2875 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2876
2877 /* Maximum number of supported EHT LTF is split */
2878 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2879 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2880
2881 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2882 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2883
2884 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2885 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2886 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2887 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2888 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2889 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2890 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2891 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2892
2893 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2894 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2895
2896 /*
2897  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2898  */
2899 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2900 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2901 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2902 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2903 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2904 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2905
2906 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2907 static inline u8
2908 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2909                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2910                            bool from_ap)
2911 {
2912         u8 count = 0;
2913
2914         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2915         if (he_cap->phy_cap_info[0] &
2916             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2917                 return 3;
2918
2919         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2920         if (he_cap->phy_cap_info[0] &
2921             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2922                 count += 3;
2923
2924         if (he_cap->phy_cap_info[0] &
2925             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2926                 count += 3;
2927
2928         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2929                 count += 3;
2930
2931         if (count)
2932                 return count;
2933
2934         return from_ap ? 3 : 4;
2935 }
2936
2937 /* 802.11be EHT PPE Thresholds */
2938 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2939 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2940 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2941 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2942 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2943
2944 /*
2945  * Calculate 802.11be EHT capabilities IE EHT field size
2946  */
2947 static inline u8
2948 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2949 {
2950         u32 n;
2951
2952         if (!(phy_cap_info[5] &
2953               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2954                 return 0;
2955
2956         n = hweight16(ppe_thres_hdr &
2957                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2958         n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
2959
2960         /*
2961          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2962          * total size.
2963          */
2964         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2965             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2966         return DIV_ROUND_UP(n, 8);
2967 }
2968
2969 static inline bool
2970 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2971                            bool from_ap)
2972 {
2973         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2974         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2975
2976         if (len < needed || !he_capa)
2977                 return false;
2978
2979         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2980                                              (const void *)data,
2981                                              from_ap);
2982         if (len < needed)
2983                 return false;
2984
2985         if (elem->phy_cap_info[5] &
2986                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2987                 u16 ppe_thres_hdr;
2988
2989                 if (len < needed + sizeof(ppe_thres_hdr))
2990                         return false;
2991
2992                 ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
2993                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2994                                                  elem->phy_cap_info);
2995         }
2996
2997         return len >= needed;
2998 }
2999
3000 static inline bool
3001 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3002 {
3003         const struct ieee80211_eht_operation *elem = (const void *)data;
3004         u8 needed = sizeof(*elem);
3005
3006         if (len < needed)
3007                 return false;
3008
3009         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3010                 needed += 3;
3011
3012                 if (elem->params &
3013                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3014                         needed += 2;
3015         }
3016
3017         return len >= needed;
3018 }
3019
3020 #define LISTEN_INT_USF  GENMASK(15, 14)
3021 #define LISTEN_INT_UI   GENMASK(13, 0)
3022
3023 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3024 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3025
3026 /* Authentication algorithms */
3027 #define WLAN_AUTH_OPEN 0
3028 #define WLAN_AUTH_SHARED_KEY 1
3029 #define WLAN_AUTH_FT 2
3030 #define WLAN_AUTH_SAE 3
3031 #define WLAN_AUTH_FILS_SK 4
3032 #define WLAN_AUTH_FILS_SK_PFS 5
3033 #define WLAN_AUTH_FILS_PK 6
3034 #define WLAN_AUTH_LEAP 128
3035
3036 #define WLAN_AUTH_CHALLENGE_LEN 128
3037
3038 #define WLAN_CAPABILITY_ESS             (1<<0)
3039 #define WLAN_CAPABILITY_IBSS            (1<<1)
3040
3041 /*
3042  * A mesh STA sets the ESS and IBSS capability bits to zero.
3043  * however, this holds true for p2p probe responses (in the p2p_find
3044  * phase) as well.
3045  */
3046 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3047         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3048
3049 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3050 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3051 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3052 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3053 #define WLAN_CAPABILITY_PBCC            (1<<6)
3054 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3055
3056 /* 802.11h */
3057 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3058 #define WLAN_CAPABILITY_QOS             (1<<9)
3059 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3060 #define WLAN_CAPABILITY_APSD            (1<<11)
3061 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3062 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3063 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3064 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3065
3066 /* DMG (60gHz) 802.11ad */
3067 /* type - bits 0..1 */
3068 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3069 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3070 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3071 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3072
3073 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3074 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3075 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3076 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3077
3078 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3079 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3080
3081 /* measurement */
3082 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3083 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3084 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3085
3086 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3087 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3088 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3089 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3090 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3091
3092 /* 802.11g ERP information element */
3093 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3094 #define WLAN_ERP_USE_PROTECTION (1<<1)
3095 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3096
3097 /* WLAN_ERP_BARKER_PREAMBLE values */
3098 enum {
3099         WLAN_ERP_PREAMBLE_SHORT = 0,
3100         WLAN_ERP_PREAMBLE_LONG = 1,
3101 };
3102
3103 /* Band ID, 802.11ad #8.4.1.45 */
3104 enum {
3105         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3106         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3107         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3108         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3109         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3110         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3111 };
3112
3113 /* Status codes */
3114 enum ieee80211_statuscode {
3115         WLAN_STATUS_SUCCESS = 0,
3116         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3117         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3118         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3119         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3120         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3121         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3122         WLAN_STATUS_CHALLENGE_FAIL = 15,
3123         WLAN_STATUS_AUTH_TIMEOUT = 16,
3124         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3125         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3126         /* 802.11b */
3127         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3128         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3129         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3130         /* 802.11h */
3131         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3132         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3133         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3134         /* 802.11g */
3135         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3136         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3137         /* 802.11w */
3138         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3139         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3140         /* 802.11i */
3141         WLAN_STATUS_INVALID_IE = 40,
3142         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3143         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3144         WLAN_STATUS_INVALID_AKMP = 43,
3145         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3146         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3147         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3148         /* 802.11e */
3149         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3150         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3151         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3152         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3153         WLAN_STATUS_REQUEST_DECLINED = 37,
3154         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3155         WLAN_STATUS_CHANGE_TSPEC = 39,
3156         WLAN_STATUS_WAIT_TS_DELAY = 47,
3157         WLAN_STATUS_NO_DIRECT_LINK = 48,
3158         WLAN_STATUS_STA_NOT_PRESENT = 49,
3159         WLAN_STATUS_STA_NOT_QSTA = 50,
3160         /* 802.11s */
3161         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3162         WLAN_STATUS_FCG_NOT_SUPP = 78,
3163         WLAN_STATUS_STA_NO_TBTT = 78,
3164         /* 802.11ad */
3165         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3166         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3167         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3168         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3169         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3170         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3171         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3172         WLAN_STATUS_REJECT_DSE_BAND = 96,
3173         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3174         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3175         /* 802.11ai */
3176         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3177         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3178         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3179         WLAN_STATUS_SAE_PK = 127,
3180 };
3181
3182
3183 /* Reason codes */
3184 enum ieee80211_reasoncode {
3185         WLAN_REASON_UNSPECIFIED = 1,
3186         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3187         WLAN_REASON_DEAUTH_LEAVING = 3,
3188         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3189         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3190         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3191         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3192         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3193         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3194         /* 802.11h */
3195         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3196         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3197         /* 802.11i */
3198         WLAN_REASON_INVALID_IE = 13,
3199         WLAN_REASON_MIC_FAILURE = 14,
3200         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3201         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3202         WLAN_REASON_IE_DIFFERENT = 17,
3203         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3204         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3205         WLAN_REASON_INVALID_AKMP = 20,
3206         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3207         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3208         WLAN_REASON_IEEE8021X_FAILED = 23,
3209         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3210         /* TDLS (802.11z) */
3211         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3212         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3213         /* 802.11e */
3214         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3215         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3216         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3217         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3218         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3219         WLAN_REASON_QSTA_NOT_USE = 37,
3220         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3221         WLAN_REASON_QSTA_TIMEOUT = 39,
3222         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3223         /* 802.11s */
3224         WLAN_REASON_MESH_PEER_CANCELED = 52,
3225         WLAN_REASON_MESH_MAX_PEERS = 53,
3226         WLAN_REASON_MESH_CONFIG = 54,
3227         WLAN_REASON_MESH_CLOSE = 55,
3228         WLAN_REASON_MESH_MAX_RETRIES = 56,
3229         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3230         WLAN_REASON_MESH_INVALID_GTK = 58,
3231         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3232         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3233         WLAN_REASON_MESH_PATH_ERROR = 61,
3234         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3235         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3236         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3237         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3238         WLAN_REASON_MESH_CHAN = 66,
3239 };
3240
3241
3242 /* Information Element IDs */
3243 enum ieee80211_eid {
3244         WLAN_EID_SSID = 0,
3245         WLAN_EID_SUPP_RATES = 1,
3246         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3247         WLAN_EID_DS_PARAMS = 3,
3248         WLAN_EID_CF_PARAMS = 4,
3249         WLAN_EID_TIM = 5,
3250         WLAN_EID_IBSS_PARAMS = 6,
3251         WLAN_EID_COUNTRY = 7,
3252         /* 8, 9 reserved */
3253         WLAN_EID_REQUEST = 10,
3254         WLAN_EID_QBSS_LOAD = 11,
3255         WLAN_EID_EDCA_PARAM_SET = 12,
3256         WLAN_EID_TSPEC = 13,
3257         WLAN_EID_TCLAS = 14,
3258         WLAN_EID_SCHEDULE = 15,
3259         WLAN_EID_CHALLENGE = 16,
3260         /* 17-31 reserved for challenge text extension */
3261         WLAN_EID_PWR_CONSTRAINT = 32,
3262         WLAN_EID_PWR_CAPABILITY = 33,
3263         WLAN_EID_TPC_REQUEST = 34,
3264         WLAN_EID_TPC_REPORT = 35,
3265         WLAN_EID_SUPPORTED_CHANNELS = 36,
3266         WLAN_EID_CHANNEL_SWITCH = 37,
3267         WLAN_EID_MEASURE_REQUEST = 38,
3268         WLAN_EID_MEASURE_REPORT = 39,
3269         WLAN_EID_QUIET = 40,
3270         WLAN_EID_IBSS_DFS = 41,
3271         WLAN_EID_ERP_INFO = 42,
3272         WLAN_EID_TS_DELAY = 43,
3273         WLAN_EID_TCLAS_PROCESSING = 44,
3274         WLAN_EID_HT_CAPABILITY = 45,
3275         WLAN_EID_QOS_CAPA = 46,
3276         /* 47 reserved for Broadcom */
3277         WLAN_EID_RSN = 48,
3278         WLAN_EID_802_15_COEX = 49,
3279         WLAN_EID_EXT_SUPP_RATES = 50,
3280         WLAN_EID_AP_CHAN_REPORT = 51,
3281         WLAN_EID_NEIGHBOR_REPORT = 52,
3282         WLAN_EID_RCPI = 53,
3283         WLAN_EID_MOBILITY_DOMAIN = 54,
3284         WLAN_EID_FAST_BSS_TRANSITION = 55,
3285         WLAN_EID_TIMEOUT_INTERVAL = 56,
3286         WLAN_EID_RIC_DATA = 57,
3287         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3288         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3289         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3290         WLAN_EID_HT_OPERATION = 61,
3291         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3292         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3293         WLAN_EID_ANTENNA_INFO = 64,
3294         WLAN_EID_RSNI = 65,
3295         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3296         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3297         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3298         WLAN_EID_TIME_ADVERTISEMENT = 69,
3299         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3300         WLAN_EID_MULTIPLE_BSSID = 71,
3301         WLAN_EID_BSS_COEX_2040 = 72,
3302         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3303         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3304         WLAN_EID_RIC_DESCRIPTOR = 75,
3305         WLAN_EID_MMIE = 76,
3306         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3307         WLAN_EID_EVENT_REQUEST = 78,
3308         WLAN_EID_EVENT_REPORT = 79,
3309         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3310         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3311         WLAN_EID_LOCATION_PARAMS = 82,
3312         WLAN_EID_NON_TX_BSSID_CAP =  83,
3313         WLAN_EID_SSID_LIST = 84,
3314         WLAN_EID_MULTI_BSSID_IDX = 85,
3315         WLAN_EID_FMS_DESCRIPTOR = 86,
3316         WLAN_EID_FMS_REQUEST = 87,
3317         WLAN_EID_FMS_RESPONSE = 88,
3318         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3319         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3320         WLAN_EID_TSF_REQUEST = 91,
3321         WLAN_EID_TSF_RESPOSNE = 92,
3322         WLAN_EID_WNM_SLEEP_MODE = 93,
3323         WLAN_EID_TIM_BCAST_REQ = 94,
3324         WLAN_EID_TIM_BCAST_RESP = 95,
3325         WLAN_EID_COLL_IF_REPORT = 96,
3326         WLAN_EID_CHANNEL_USAGE = 97,
3327         WLAN_EID_TIME_ZONE = 98,
3328         WLAN_EID_DMS_REQUEST = 99,
3329         WLAN_EID_DMS_RESPONSE = 100,
3330         WLAN_EID_LINK_ID = 101,
3331         WLAN_EID_WAKEUP_SCHEDUL = 102,
3332         /* 103 reserved */
3333         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3334         WLAN_EID_PTI_CONTROL = 105,
3335         WLAN_EID_PU_BUFFER_STATUS = 106,
3336         WLAN_EID_INTERWORKING = 107,
3337         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3338         WLAN_EID_EXPEDITED_BW_REQ = 109,
3339         WLAN_EID_QOS_MAP_SET = 110,
3340         WLAN_EID_ROAMING_CONSORTIUM = 111,
3341         WLAN_EID_EMERGENCY_ALERT = 112,
3342         WLAN_EID_MESH_CONFIG = 113,
3343         WLAN_EID_MESH_ID = 114,
3344         WLAN_EID_LINK_METRIC_REPORT = 115,
3345         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3346         WLAN_EID_PEER_MGMT = 117,
3347         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3348         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3349         WLAN_EID_BEACON_TIMING = 120,
3350         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3351         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3352         WLAN_EID_MCCAOP_ADVERT = 123,
3353         WLAN_EID_MCCAOP_TEARDOWN = 124,
3354         WLAN_EID_GANN = 125,
3355         WLAN_EID_RANN = 126,
3356         WLAN_EID_EXT_CAPABILITY = 127,
3357         /* 128, 129 reserved for Agere */
3358         WLAN_EID_PREQ = 130,
3359         WLAN_EID_PREP = 131,
3360         WLAN_EID_PERR = 132,
3361         /* 133-136 reserved for Cisco */
3362         WLAN_EID_PXU = 137,
3363         WLAN_EID_PXUC = 138,
3364         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3365         WLAN_EID_MIC = 140,
3366         WLAN_EID_DESTINATION_URI = 141,
3367         WLAN_EID_UAPSD_COEX = 142,
3368         WLAN_EID_WAKEUP_SCHEDULE = 143,
3369         WLAN_EID_EXT_SCHEDULE = 144,
3370         WLAN_EID_STA_AVAILABILITY = 145,
3371         WLAN_EID_DMG_TSPEC = 146,
3372         WLAN_EID_DMG_AT = 147,
3373         WLAN_EID_DMG_CAP = 148,
3374         /* 149 reserved for Cisco */
3375         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3376         WLAN_EID_DMG_OPERATION = 151,
3377         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3378         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3379         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3380         /* 155-156 reserved for Cisco */
3381         WLAN_EID_AWAKE_WINDOW = 157,
3382         WLAN_EID_MULTI_BAND = 158,
3383         WLAN_EID_ADDBA_EXT = 159,
3384         WLAN_EID_NEXT_PCP_LIST = 160,
3385         WLAN_EID_PCP_HANDOVER = 161,
3386         WLAN_EID_DMG_LINK_MARGIN = 162,
3387         WLAN_EID_SWITCHING_STREAM = 163,
3388         WLAN_EID_SESSION_TRANSITION = 164,
3389         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3390         WLAN_EID_CLUSTER_REPORT = 166,
3391         WLAN_EID_RELAY_CAP = 167,
3392         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3393         WLAN_EID_BEAM_LINK_MAINT = 169,
3394         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3395         WLAN_EID_U_PID = 171,
3396         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3397         /* 173 reserved for Symbol */
3398         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3399         WLAN_EID_QUIET_PERIOD_REQ = 175,
3400         /* 176 reserved for Symbol */
3401         WLAN_EID_QUIET_PERIOD_RESP = 177,
3402         /* 178-179 reserved for Symbol */
3403         /* 180 reserved for ISO/IEC 20011 */
3404         WLAN_EID_EPAC_POLICY = 182,
3405         WLAN_EID_CLISTER_TIME_OFF = 183,
3406         WLAN_EID_INTER_AC_PRIO = 184,
3407         WLAN_EID_SCS_DESCRIPTOR = 185,
3408         WLAN_EID_QLOAD_REPORT = 186,
3409         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3410         WLAN_EID_HL_STREAM_ID = 188,
3411         WLAN_EID_GCR_GROUP_ADDR = 189,
3412         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3413         WLAN_EID_VHT_CAPABILITY = 191,
3414         WLAN_EID_VHT_OPERATION = 192,
3415         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3416         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3417         WLAN_EID_TX_POWER_ENVELOPE = 195,
3418         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3419         WLAN_EID_AID = 197,
3420         WLAN_EID_QUIET_CHANNEL = 198,
3421         WLAN_EID_OPMODE_NOTIF = 199,
3422
3423         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3424
3425         WLAN_EID_AID_REQUEST = 210,
3426         WLAN_EID_AID_RESPONSE = 211,
3427         WLAN_EID_S1G_BCN_COMPAT = 213,
3428         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3429         WLAN_EID_S1G_TWT = 216,
3430         WLAN_EID_S1G_CAPABILITIES = 217,
3431         WLAN_EID_VENDOR_SPECIFIC = 221,
3432         WLAN_EID_QOS_PARAMETER = 222,
3433         WLAN_EID_S1G_OPERATION = 232,
3434         WLAN_EID_CAG_NUMBER = 237,
3435         WLAN_EID_AP_CSN = 239,
3436         WLAN_EID_FILS_INDICATION = 240,
3437         WLAN_EID_DILS = 241,
3438         WLAN_EID_FRAGMENT = 242,
3439         WLAN_EID_RSNX = 244,
3440         WLAN_EID_EXTENSION = 255
3441 };
3442
3443 /* Element ID Extensions for Element ID 255 */
3444 enum ieee80211_eid_ext {
3445         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3446         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3447         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3448         WLAN_EID_EXT_FILS_SESSION = 4,
3449         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3450         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3451         WLAN_EID_EXT_KEY_DELIVERY = 7,
3452         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3453         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3454         WLAN_EID_EXT_FILS_NONCE = 13,
3455         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3456         WLAN_EID_EXT_HE_CAPABILITY = 35,
3457         WLAN_EID_EXT_HE_OPERATION = 36,
3458         WLAN_EID_EXT_UORA = 37,
3459         WLAN_EID_EXT_HE_MU_EDCA = 38,
3460         WLAN_EID_EXT_HE_SPR = 39,
3461         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3462         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3463         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3464         WLAN_EID_EXT_ESS_REPORT = 45,
3465         WLAN_EID_EXT_OPS = 46,
3466         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3467         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3468         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3469         WLAN_EID_EXT_NON_INHERITANCE = 56,
3470         WLAN_EID_EXT_KNOWN_BSSID = 57,
3471         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3472         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3473         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3474         WLAN_EID_EXT_EHT_OPERATION = 106,
3475         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3476         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3477 };
3478
3479 /* Action category code */
3480 enum ieee80211_category {
3481         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3482         WLAN_CATEGORY_QOS = 1,
3483         WLAN_CATEGORY_DLS = 2,
3484         WLAN_CATEGORY_BACK = 3,
3485         WLAN_CATEGORY_PUBLIC = 4,
3486         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3487         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3488         WLAN_CATEGORY_HT = 7,
3489         WLAN_CATEGORY_SA_QUERY = 8,
3490         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3491         WLAN_CATEGORY_WNM = 10,
3492         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3493         WLAN_CATEGORY_TDLS = 12,
3494         WLAN_CATEGORY_MESH_ACTION = 13,
3495         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3496         WLAN_CATEGORY_SELF_PROTECTED = 15,
3497         WLAN_CATEGORY_DMG = 16,
3498         WLAN_CATEGORY_WMM = 17,
3499         WLAN_CATEGORY_FST = 18,
3500         WLAN_CATEGORY_UNPROT_DMG = 20,
3501         WLAN_CATEGORY_VHT = 21,
3502         WLAN_CATEGORY_S1G = 22,
3503         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3504         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3505 };
3506
3507 /* SPECTRUM_MGMT action code */
3508 enum ieee80211_spectrum_mgmt_actioncode {
3509         WLAN_ACTION_SPCT_MSR_REQ = 0,
3510         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3511         WLAN_ACTION_SPCT_TPC_REQ = 2,
3512         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3513         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3514 };
3515
3516 /* HT action codes */
3517 enum ieee80211_ht_actioncode {
3518         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3519         WLAN_HT_ACTION_SMPS = 1,
3520         WLAN_HT_ACTION_PSMP = 2,
3521         WLAN_HT_ACTION_PCO_PHASE = 3,
3522         WLAN_HT_ACTION_CSI = 4,
3523         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3524         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3525         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3526 };
3527
3528 /* VHT action codes */
3529 enum ieee80211_vht_actioncode {
3530         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3531         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3532         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3533 };
3534
3535 /* Self Protected Action codes */
3536 enum ieee80211_self_protected_actioncode {
3537         WLAN_SP_RESERVED = 0,
3538         WLAN_SP_MESH_PEERING_OPEN = 1,
3539         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3540         WLAN_SP_MESH_PEERING_CLOSE = 3,
3541         WLAN_SP_MGK_INFORM = 4,
3542         WLAN_SP_MGK_ACK = 5,
3543 };
3544
3545 /* Mesh action codes */
3546 enum ieee80211_mesh_actioncode {
3547         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3548         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3549         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3550         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3551         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3552         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3553         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3554         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3555         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3556         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3557         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3558 };
3559
3560 /* Unprotected WNM action codes */
3561 enum ieee80211_unprotected_wnm_actioncode {
3562         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3563         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3564 };
3565
3566 /* Public action codes */
3567 enum ieee80211_public_actioncode {
3568         WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
3569 };
3570
3571 /* Security key length */
3572 enum ieee80211_key_len {
3573         WLAN_KEY_LEN_WEP40 = 5,
3574         WLAN_KEY_LEN_WEP104 = 13,
3575         WLAN_KEY_LEN_CCMP = 16,
3576         WLAN_KEY_LEN_CCMP_256 = 32,
3577         WLAN_KEY_LEN_TKIP = 32,
3578         WLAN_KEY_LEN_AES_CMAC = 16,
3579         WLAN_KEY_LEN_SMS4 = 32,
3580         WLAN_KEY_LEN_GCMP = 16,
3581         WLAN_KEY_LEN_GCMP_256 = 32,
3582         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3583         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3584         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3585 };
3586
3587 enum ieee80211_s1g_actioncode {
3588         WLAN_S1G_AID_SWITCH_REQUEST,
3589         WLAN_S1G_AID_SWITCH_RESPONSE,
3590         WLAN_S1G_SYNC_CONTROL,
3591         WLAN_S1G_STA_INFO_ANNOUNCE,
3592         WLAN_S1G_EDCA_PARAM_SET,
3593         WLAN_S1G_EL_OPERATION,
3594         WLAN_S1G_TWT_SETUP,
3595         WLAN_S1G_TWT_TEARDOWN,
3596         WLAN_S1G_SECT_GROUP_ID_LIST,
3597         WLAN_S1G_SECT_ID_FEEDBACK,
3598         WLAN_S1G_TWT_INFORMATION = 11,
3599 };
3600
3601 #define IEEE80211_WEP_IV_LEN            4
3602 #define IEEE80211_WEP_ICV_LEN           4
3603 #define IEEE80211_CCMP_HDR_LEN          8
3604 #define IEEE80211_CCMP_MIC_LEN          8
3605 #define IEEE80211_CCMP_PN_LEN           6
3606 #define IEEE80211_CCMP_256_HDR_LEN      8
3607 #define IEEE80211_CCMP_256_MIC_LEN      16
3608 #define IEEE80211_CCMP_256_PN_LEN       6
3609 #define IEEE80211_TKIP_IV_LEN           8
3610 #define IEEE80211_TKIP_ICV_LEN          4
3611 #define IEEE80211_CMAC_PN_LEN           6
3612 #define IEEE80211_GMAC_PN_LEN           6
3613 #define IEEE80211_GCMP_HDR_LEN          8
3614 #define IEEE80211_GCMP_MIC_LEN          16
3615 #define IEEE80211_GCMP_PN_LEN           6
3616
3617 #define FILS_NONCE_LEN                  16
3618 #define FILS_MAX_KEK_LEN                64
3619
3620 #define FILS_ERP_MAX_USERNAME_LEN       16
3621 #define FILS_ERP_MAX_REALM_LEN          253
3622 #define FILS_ERP_MAX_RRK_LEN            64
3623
3624 #define PMK_MAX_LEN                     64
3625 #define SAE_PASSWORD_MAX_LEN            128
3626
3627 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3628 enum ieee80211_pub_actioncode {
3629         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3630         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3631         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3632         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3633         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3634         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3635         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3636         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3637         WLAN_PUB_ACTION_DSE_PC = 8,
3638         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3639         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3640         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3641         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3642         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3643         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3644         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3645         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3646         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3647         WLAN_PUB_ACTION_QMF_POLICY = 18,
3648         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3649         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3650         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3651         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3652         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3653         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3654         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3655         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3656         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3657         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3658         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3659         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3660         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3661         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3662         WLAN_PUB_ACTION_FTM = 33,
3663         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3664 };
3665
3666 /* TDLS action codes */
3667 enum ieee80211_tdls_actioncode {
3668         WLAN_TDLS_SETUP_REQUEST = 0,
3669         WLAN_TDLS_SETUP_RESPONSE = 1,
3670         WLAN_TDLS_SETUP_CONFIRM = 2,
3671         WLAN_TDLS_TEARDOWN = 3,
3672         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3673         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3674         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3675         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3676         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3677         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3678         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3679 };
3680
3681 /* Extended Channel Switching capability to be set in the 1st byte of
3682  * the @WLAN_EID_EXT_CAPABILITY information element
3683  */
3684 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3685
3686 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3687  * @WLAN_EID_EXT_CAPABILITY information element
3688  */
3689 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3690
3691 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3692  * of the @WLAN_EID_EXT_CAPABILITY information element
3693  */
3694 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3695
3696 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3697 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3698 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3699 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3700
3701 /* Interworking capabilities are set in 7th bit of 4th byte of the
3702  * @WLAN_EID_EXT_CAPABILITY information element
3703  */
3704 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3705
3706 /*
3707  * TDLS capabililites to be enabled in the 5th byte of the
3708  * @WLAN_EID_EXT_CAPABILITY information element
3709  */
3710 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3711 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3712 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3713
3714 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3715 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3716
3717 /* Defines the maximal number of MSDUs in an A-MSDU. */
3718 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3719 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3720
3721 /*
3722  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3723  * information element
3724  */
3725 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3726
3727 /* Defines support for TWT Requester and TWT Responder */
3728 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3729 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3730
3731 /*
3732  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3733  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3734  * 26-tone RU UL OFDMA transmissions as radar pulses).
3735  */
3736 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3737
3738 /* Defines support for enhanced multi-bssid advertisement*/
3739 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3740
3741 /* TDLS specific payload type in the LLC/SNAP header */
3742 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3743
3744 /* BSS Coex IE information field bits */
3745 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3746
3747 /**
3748  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3749  *
3750  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3751  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3752  *      that will be specified in a vendor specific information element
3753  */
3754 enum ieee80211_mesh_sync_method {
3755         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3756         IEEE80211_SYNC_METHOD_VENDOR = 255,
3757 };
3758
3759 /**
3760  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3761  *
3762  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3763  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3764  *      be specified in a vendor specific information element
3765  */
3766 enum ieee80211_mesh_path_protocol {
3767         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3768         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3769 };
3770
3771 /**
3772  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3773  *
3774  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3775  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3776  *      specified in a vendor specific information element
3777  */
3778 enum ieee80211_mesh_path_metric {
3779         IEEE80211_PATH_METRIC_AIRTIME = 1,
3780         IEEE80211_PATH_METRIC_VENDOR = 255,
3781 };
3782
3783 /**
3784  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3785  *
3786  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3787  *
3788  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3789  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3790  *      this value
3791  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3792  *      the proactive PREQ with proactive PREP subfield set to 0
3793  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3794  *      supports the proactive PREQ with proactive PREP subfield set to 1
3795  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3796  *      the proactive RANN
3797  */
3798 enum ieee80211_root_mode_identifier {
3799         IEEE80211_ROOTMODE_NO_ROOT = 0,
3800         IEEE80211_ROOTMODE_ROOT = 1,
3801         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3802         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3803         IEEE80211_PROACTIVE_RANN = 4,
3804 };
3805
3806 /*
3807  * IEEE 802.11-2007 7.3.2.9 Country information element
3808  *
3809  * Minimum length is 8 octets, ie len must be evenly
3810  * divisible by 2
3811  */
3812
3813 /* Although the spec says 8 I'm seeing 6 in practice */
3814 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3815
3816 /* The Country String field of the element shall be 3 octets in length */
3817 #define IEEE80211_COUNTRY_STRING_LEN    3
3818
3819 /*
3820  * For regulatory extension stuff see IEEE 802.11-2007
3821  * Annex I (page 1141) and Annex J (page 1147). Also
3822  * review 7.3.2.9.
3823  *
3824  * When dot11RegulatoryClassesRequired is true and the
3825  * first_channel/reg_extension_id is >= 201 then the IE
3826  * compromises of the 'ext' struct represented below:
3827  *
3828  *  - Regulatory extension ID - when generating IE this just needs
3829  *    to be monotonically increasing for each triplet passed in
3830  *    the IE
3831  *  - Regulatory class - index into set of rules
3832  *  - Coverage class - index into air propagation time (Table 7-27),
3833  *    in microseconds, you can compute the air propagation time from
3834  *    the index by multiplying by 3, so index 10 yields a propagation
3835  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3836  *    yet. A value of 0 inicates air propagation of <= 1 us.
3837  *
3838  *  See also Table I.2 for Emission limit sets and table
3839  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3840  *  a reg_class to an emission limit set and behavior limit set.
3841  */
3842 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3843
3844 /*
3845  *  Channels numbers in the IE must be monotonically increasing
3846  *  if dot11RegulatoryClassesRequired is not true.
3847  *
3848  *  If dot11RegulatoryClassesRequired is true consecutive
3849  *  subband triplets following a regulatory triplet shall
3850  *  have monotonically increasing first_channel number fields.
3851  *
3852  *  Channel numbers shall not overlap.
3853  *
3854  *  Note that max_power is signed.
3855  */
3856 struct ieee80211_country_ie_triplet {
3857         union {
3858                 struct {
3859                         u8 first_channel;
3860                         u8 num_channels;
3861                         s8 max_power;
3862                 } __packed chans;
3863                 struct {
3864                         u8 reg_extension_id;
3865                         u8 reg_class;
3866                         u8 coverage_class;
3867                 } __packed ext;
3868         };
3869 } __packed;
3870
3871 enum ieee80211_timeout_interval_type {
3872         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3873         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3874         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3875 };
3876
3877 /**
3878  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3879  * @type: type, see &enum ieee80211_timeout_interval_type
3880  * @value: timeout interval value
3881  */
3882 struct ieee80211_timeout_interval_ie {
3883         u8 type;
3884         __le32 value;
3885 } __packed;
3886
3887 /**
3888  * enum ieee80211_idle_options - BSS idle options
3889  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3890  *      protected frame to the AP to reset the idle timer at the AP for
3891  *      the station.
3892  */
3893 enum ieee80211_idle_options {
3894         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3895 };
3896
3897 /**
3898  * struct ieee80211_bss_max_idle_period_ie
3899  *
3900  * This structure refers to "BSS Max idle period element"
3901  *
3902  * @max_idle_period: indicates the time period during which a station can
3903  *      refrain from transmitting frames to its associated AP without being
3904  *      disassociated. In units of 1000 TUs.
3905  * @idle_options: indicates the options associated with the BSS idle capability
3906  *      as specified in &enum ieee80211_idle_options.
3907  */
3908 struct ieee80211_bss_max_idle_period_ie {
3909         __le16 max_idle_period;
3910         u8 idle_options;
3911 } __packed;
3912
3913 /* BACK action code */
3914 enum ieee80211_back_actioncode {
3915         WLAN_ACTION_ADDBA_REQ = 0,
3916         WLAN_ACTION_ADDBA_RESP = 1,
3917         WLAN_ACTION_DELBA = 2,
3918 };
3919
3920 /* BACK (block-ack) parties */
3921 enum ieee80211_back_parties {
3922         WLAN_BACK_RECIPIENT = 0,
3923         WLAN_BACK_INITIATOR = 1,
3924 };
3925
3926 /* SA Query action */
3927 enum ieee80211_sa_query_action {
3928         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3929         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3930 };
3931
3932 /**
3933  * struct ieee80211_bssid_index
3934  *
3935  * This structure refers to "Multiple BSSID-index element"
3936  *
3937  * @bssid_index: BSSID index
3938  * @dtim_period: optional, overrides transmitted BSS dtim period
3939  * @dtim_count: optional, overrides transmitted BSS dtim count
3940  */
3941 struct ieee80211_bssid_index {
3942         u8 bssid_index;
3943         u8 dtim_period;
3944         u8 dtim_count;
3945 };
3946
3947 /**
3948  * struct ieee80211_multiple_bssid_configuration
3949  *
3950  * This structure refers to "Multiple BSSID Configuration element"
3951  *
3952  * @bssid_count: total number of active BSSIDs in the set
3953  * @profile_periodicity: the least number of beacon frames need to be received
3954  *      in order to discover all the nontransmitted BSSIDs in the set.
3955  */
3956 struct ieee80211_multiple_bssid_configuration {
3957         u8 bssid_count;
3958         u8 profile_periodicity;
3959 };
3960
3961 #define SUITE(oui, id) (((oui) << 8) | (id))
3962
3963 /* cipher suite selectors */
3964 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3965 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3966 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3967 /* reserved:                            SUITE(0x000FAC, 3) */
3968 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3969 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3970 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3971 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3972 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3973 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3974 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3975 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3976 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3977
3978 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3979
3980 /* AKM suite selectors */
3981 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3982 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3983 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3984 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3985 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3986 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3987 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3988 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3989 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3990 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3991 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3992 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3993 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3994 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3995 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3996 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3997 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3998 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3999 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
4000 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
4001
4002 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
4003
4004 #define WLAN_MAX_KEY_LEN                32
4005
4006 #define WLAN_PMK_NAME_LEN               16
4007 #define WLAN_PMKID_LEN                  16
4008 #define WLAN_PMK_LEN_EAP_LEAP           16
4009 #define WLAN_PMK_LEN                    32
4010 #define WLAN_PMK_LEN_SUITE_B_192        48
4011
4012 #define WLAN_OUI_WFA                    0x506f9a
4013 #define WLAN_OUI_TYPE_WFA_P2P           9
4014 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
4015 #define WLAN_OUI_MICROSOFT              0x0050f2
4016 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
4017 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
4018 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
4019 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
4020
4021 /*
4022  * WMM/802.11e Tspec Element
4023  */
4024 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4025 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4026
4027 enum ieee80211_tspec_status_code {
4028         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4029         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4030 };
4031
4032 struct ieee80211_tspec_ie {
4033         u8 element_id;
4034         u8 len;
4035         u8 oui[3];
4036         u8 oui_type;
4037         u8 oui_subtype;
4038         u8 version;
4039         __le16 tsinfo;
4040         u8 tsinfo_resvd;
4041         __le16 nominal_msdu;
4042         __le16 max_msdu;
4043         __le32 min_service_int;
4044         __le32 max_service_int;
4045         __le32 inactivity_int;
4046         __le32 suspension_int;
4047         __le32 service_start_time;
4048         __le32 min_data_rate;
4049         __le32 mean_data_rate;
4050         __le32 peak_data_rate;
4051         __le32 max_burst_size;
4052         __le32 delay_bound;
4053         __le32 min_phy_rate;
4054         __le16 sba;
4055         __le16 medium_time;
4056 } __packed;
4057
4058 struct ieee80211_he_6ghz_capa {
4059         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4060         __le16 capa;
4061 } __packed;
4062
4063 /* HE 6 GHz band capabilities */
4064 /* uses enum ieee80211_min_mpdu_spacing values */
4065 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4066 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4067 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4068 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4069 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4070 /* WLAN_HT_CAP_SM_PS_* values */
4071 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4072 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4073 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4074 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4075
4076 /**
4077  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4078  * @hdr: the frame
4079  *
4080  * The qos ctrl bytes come after the frame_control, duration, seq_num
4081  * and 3 or 4 addresses of length ETH_ALEN.
4082  * 3 addr: 2 + 2 + 2 + 3*6 = 24
4083  * 4 addr: 2 + 2 + 2 + 4*6 = 30
4084  */
4085 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4086 {
4087         if (ieee80211_has_a4(hdr->frame_control))
4088                 return (u8 *)hdr + 30;
4089         else
4090                 return (u8 *)hdr + 24;
4091 }
4092
4093 /**
4094  * ieee80211_get_tid - get qos TID
4095  * @hdr: the frame
4096  */
4097 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4098 {
4099         u8 *qc = ieee80211_get_qos_ctl(hdr);
4100
4101         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4102 }
4103
4104 /**
4105  * ieee80211_get_SA - get pointer to SA
4106  * @hdr: the frame
4107  *
4108  * Given an 802.11 frame, this function returns the offset
4109  * to the source address (SA). It does not verify that the
4110  * header is long enough to contain the address, and the
4111  * header must be long enough to contain the frame control
4112  * field.
4113  */
4114 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4115 {
4116         if (ieee80211_has_a4(hdr->frame_control))
4117                 return hdr->addr4;
4118         if (ieee80211_has_fromds(hdr->frame_control))
4119                 return hdr->addr3;
4120         return hdr->addr2;
4121 }
4122
4123 /**
4124  * ieee80211_get_DA - get pointer to DA
4125  * @hdr: the frame
4126  *
4127  * Given an 802.11 frame, this function returns the offset
4128  * to the destination address (DA). It does not verify that
4129  * the header is long enough to contain the address, and the
4130  * header must be long enough to contain the frame control
4131  * field.
4132  */
4133 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4134 {
4135         if (ieee80211_has_tods(hdr->frame_control))
4136                 return hdr->addr3;
4137         else
4138                 return hdr->addr1;
4139 }
4140
4141 /**
4142  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4143  * @hdr: the frame (buffer must include at least the first octet of payload)
4144  */
4145 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4146 {
4147         if (ieee80211_is_disassoc(hdr->frame_control) ||
4148             ieee80211_is_deauth(hdr->frame_control))
4149                 return true;
4150
4151         if (ieee80211_is_action(hdr->frame_control)) {
4152                 u8 *category;
4153
4154                 /*
4155                  * Action frames, excluding Public Action frames, are Robust
4156                  * Management Frames. However, if we are looking at a Protected
4157                  * frame, skip the check since the data may be encrypted and
4158                  * the frame has already been found to be a Robust Management
4159                  * Frame (by the other end).
4160                  */
4161                 if (ieee80211_has_protected(hdr->frame_control))
4162                         return true;
4163                 category = ((u8 *) hdr) + 24;
4164                 return *category != WLAN_CATEGORY_PUBLIC &&
4165                         *category != WLAN_CATEGORY_HT &&
4166                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4167                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4168                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4169                         *category != WLAN_CATEGORY_VHT &&
4170                         *category != WLAN_CATEGORY_S1G &&
4171                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4172         }
4173
4174         return false;
4175 }
4176
4177 /**
4178  * ieee80211_is_public_action - check if frame is a public action frame
4179  * @hdr: the frame
4180  * @len: length of the frame
4181  */
4182 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4183                                               size_t len)
4184 {
4185         struct ieee80211_mgmt *mgmt = (void *)hdr;
4186
4187         if (len < IEEE80211_MIN_ACTION_SIZE)
4188                 return false;
4189         if (!ieee80211_is_action(hdr->frame_control))
4190                 return false;
4191         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4192 }
4193
4194 static inline bool is_multicast_ether_addr(const u8 *a)
4195 {
4196         return 0x01 & a[0];
4197 }
4198
4199 /**
4200  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4201  * privacy action frame
4202  * @hdr: the frame
4203  */
4204 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4205 {
4206         struct ieee80211_mgmt *mgmt = (void *)hdr;
4207
4208         if (!ieee80211_is_action(hdr->frame_control) ||
4209             !is_multicast_ether_addr(hdr->addr1))
4210                 return false;
4211
4212         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4213                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4214 }
4215
4216 /**
4217  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4218  * @tu: the TUs
4219  */
4220 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4221 {
4222         return 1024 * tu;
4223 }
4224
4225 /**
4226  * ieee80211_check_tim - check if AID bit is set in TIM
4227  * @tim: the TIM IE
4228  * @tim_len: length of the TIM IE
4229  * @aid: the AID to look for
4230  */
4231 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4232                                        u8 tim_len, u16 aid)
4233 {
4234         u8 mask;
4235         u8 indexn0, indexn1, indexn2;
4236
4237         if (unlikely(!tim || tim_len < sizeof(*tim)))
4238                 return false;
4239
4240         aid &= 0x3fff;
4241         indexn0 = aid / 8;
4242         mask  = 1 << (aid & 7);
4243
4244         indexn1 = tim->bitmap_ctrl & 0xfe;
4245         indexn2 = tim_len + indexn1 - 4;
4246
4247         if (indexn0 < indexn1 || indexn0 > indexn2)
4248                 return false;
4249
4250         indexn0 -= indexn1;
4251
4252         return !!(tim->virtual_map[indexn0] & mask);
4253 }
4254
4255 /* convert time units */
4256 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
4257 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
4258
4259 static inline bool ieee80211_is_timing_measurement(struct ieee80211_hdr *hdr, size_t len)
4260 {
4261         struct ieee80211_mgmt *mgmt = (void *)hdr;
4262
4263         if (len < IEEE80211_MIN_ACTION_SIZE)
4264                 return false;
4265
4266         if (!ieee80211_is_action(hdr->frame_control))
4267                 return false;
4268
4269         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4270             mgmt->u.action.u.wnm_timing_msr.action_code ==
4271                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4272             len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4273                 return true;
4274
4275         return false;
4276 }
4277
4278 static inline bool ieee80211_is_ftm(struct ieee80211_hdr *hdr, size_t len)
4279 {
4280         struct ieee80211_mgmt *mgmt = (void *)hdr;
4281
4282         if (!ieee80211_is_public_action((void *)mgmt, len))
4283                 return false;
4284
4285         if (mgmt->u.action.u.ftm.action_code ==
4286                 WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
4287             len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4288                 return true;
4289
4290         return false;
4291 }
4292
4293 struct element {
4294         u8 id;
4295         u8 datalen;
4296         u8 data[];
4297 } __packed;
4298
4299 /* element iteration helpers */
4300 #define for_each_element(_elem, _data, _datalen)                        \
4301         for (_elem = (const struct element *)(_data);                   \
4302              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4303                 (int)sizeof(*_elem) &&                                  \
4304              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4305                 (int)sizeof(*_elem) + _elem->datalen;                   \
4306              _elem = (const struct element *)(_elem->data + _elem->datalen))
4307
4308 #define for_each_element_id(element, _id, data, datalen)                \
4309         for_each_element(element, data, datalen)                        \
4310                 if (element->id == (_id))
4311
4312 #define for_each_element_extid(element, extid, _data, _datalen)         \
4313         for_each_element(element, _data, _datalen)                      \
4314                 if (element->id == WLAN_EID_EXTENSION &&                \
4315                     element->datalen > 0 &&                             \
4316                     element->data[0] == (extid))
4317
4318 #define for_each_subelement(sub, element)                               \
4319         for_each_element(sub, (element)->data, (element)->datalen)
4320
4321 #define for_each_subelement_id(sub, id, element)                        \
4322         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4323
4324 #define for_each_subelement_extid(sub, extid, element)                  \
4325         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4326
4327 /* convert frequencies */
4328 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4329 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4330 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4331 #define KHZ_F "%d.%03d"
4332
4333 /* convert powers */
4334 #define DBI_TO_MBI(gain) ((gain) * 100)
4335 #define MBI_TO_DBI(gain) ((gain) / 100)
4336 #define DBM_TO_MBM(gain) ((gain) * 100)
4337 #define MBM_TO_DBM(gain) ((gain) / 100)
4338
4339 /**
4340  * for_each_element_completed - determine if element parsing consumed all data
4341  * @element: element pointer after for_each_element() or friends
4342  * @data: same data pointer as passed to for_each_element() or friends
4343  * @datalen: same data length as passed to for_each_element() or friends
4344  *
4345  * This function returns %true if all the data was parsed or considered
4346  * while walking the elements. Only use this if your for_each_element()
4347  * loop cannot be broken out of, otherwise it always returns %false.
4348  *
4349  * If some data was malformed, this returns %false since the last parsed
4350  * element will not fill the whole remaining data.
4351  */
4352 static inline bool for_each_element_completed(const struct element *element,
4353                                               const void *data, size_t datalen)
4354 {
4355         return (const u8 *)element == (const u8 *)data + datalen;
4356 }
4357
4358 /**
4359  * RSNX Capabilities:
4360  * bits 0-3: Field length (n-1)
4361  */
4362 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4363 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4364
4365 /*
4366  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4367  * section 9.4.2.170 and accepted contributions.
4368  */
4369 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4370 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4371 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4372 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4373 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4374 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4375
4376 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4377 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4378 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4379 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4380 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4381 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4382 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4383
4384 struct ieee80211_neighbor_ap_info {
4385         u8 tbtt_info_hdr;
4386         u8 tbtt_info_len;
4387         u8 op_class;
4388         u8 channel;
4389 } __packed;
4390
4391 enum ieee80211_range_params_max_total_ltf {
4392         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4393         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4394         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4395         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4396 };
4397
4398 /* multi-link device */
4399 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4400
4401 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4402 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4403 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4404 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4405 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4406 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4407 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4408
4409 struct ieee80211_multi_link_elem {
4410         __le16 control;
4411         u8 variable[];
4412 } __packed;
4413
4414 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4415 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4416 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4417 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4418 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4419 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4420
4421 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4422 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4423 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4424
4425 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4426 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4427 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4428 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4429 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4430 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4431 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4432 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4433 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4434 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4435 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4436 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4437 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4438 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4439 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4440 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4441 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4442 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4443 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4444 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4445 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4446 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4447 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4448 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4449 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4450 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4451 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4452 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4453 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4454 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4455 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4456 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4457 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4458 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4459
4460 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4461 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4462 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4463 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4464 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4465
4466 struct ieee80211_mle_basic_common_info {
4467         u8 len;
4468         u8 mld_mac_addr[6];
4469         u8 variable[];
4470 } __packed;
4471
4472 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4473
4474 struct ieee80211_mle_preq_common_info {
4475         u8 len;
4476         u8 variable[];
4477 } __packed;
4478
4479 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4480
4481 /* no fixed fields in RECONF */
4482
4483 struct ieee80211_mle_tdls_common_info {
4484         u8 len;
4485         u8 ap_mld_mac_addr[6];
4486 } __packed;
4487
4488 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4489
4490 /* no fixed fields in PRIO_ACCESS */
4491
4492 /**
4493  * ieee80211_mle_common_size - check multi-link element common size
4494  * @data: multi-link element, must already be checked for size using
4495  *      ieee80211_mle_size_ok()
4496  */
4497 static inline u8 ieee80211_mle_common_size(const u8 *data)
4498 {
4499         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4500         u16 control = le16_to_cpu(mle->control);
4501         u8 common = 0;
4502
4503         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4504         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4505         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4506         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4507                 /*
4508                  * The length is the first octet pointed by mle->variable so no
4509                  * need to add anything
4510                  */
4511                 break;
4512         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4513                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4514                         common += 6;
4515                 return common;
4516         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4517                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4518                         common += 6;
4519                 return common;
4520         default:
4521                 return 0;
4522         }
4523
4524         return common + mle->variable[0];
4525 }
4526
4527 /**
4528  * ieee80211_mle_size_ok - validate multi-link element size
4529  * @data: pointer to the element data
4530  * @len: length of the containing element
4531  */
4532 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4533 {
4534         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4535         u8 fixed = sizeof(*mle);
4536         u8 common = 0;
4537         bool check_common_len = false;
4538         u16 control;
4539
4540         if (len < fixed)
4541                 return false;
4542
4543         control = le16_to_cpu(mle->control);
4544
4545         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4546         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4547                 common += sizeof(struct ieee80211_mle_basic_common_info);
4548                 check_common_len = true;
4549                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4550                         common += 1;
4551                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4552                         common += 1;
4553                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4554                         common += 2;
4555                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4556                         common += 2;
4557                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4558                         common += 2;
4559                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4560                         common += 1;
4561                 break;
4562         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4563                 common += sizeof(struct ieee80211_mle_preq_common_info);
4564                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4565                         common += 1;
4566                 check_common_len = true;
4567                 break;
4568         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4569                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4570                         common += 6;
4571                 break;
4572         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4573                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4574                 check_common_len = true;
4575                 break;
4576         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4577                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4578                         common += 6;
4579                 break;
4580         default:
4581                 /* we don't know this type */
4582                 return true;
4583         }
4584
4585         if (len < fixed + common)
4586                 return false;
4587
4588         if (!check_common_len)
4589                 return true;
4590
4591         /* if present, common length is the first octet there */
4592         return mle->variable[0] >= common;
4593 }
4594
4595 enum ieee80211_mle_subelems {
4596         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4597         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
4598 };
4599
4600 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4601 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4602 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4603 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4604 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4605 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4606 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4607 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4608 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4609
4610 struct ieee80211_mle_per_sta_profile {
4611         __le16 control;
4612         u8 sta_info_len;
4613         u8 variable[];
4614 } __packed;
4615
4616 /**
4617  * ieee80211_mle_sta_prof_size_ok - validate multi-link element sta profile size
4618  * @data: pointer to the sub element data
4619  * @len: length of the containing sub element
4620  */
4621 static inline bool ieee80211_mle_sta_prof_size_ok(const u8 *data, size_t len)
4622 {
4623         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4624         u16 control;
4625         u8 fixed = sizeof(*prof);
4626         u8 info_len = 1;
4627
4628         if (len < fixed)
4629                 return false;
4630
4631         control = le16_to_cpu(prof->control);
4632
4633         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4634                 info_len += 6;
4635         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4636                 info_len += 2;
4637         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4638                 info_len += 8;
4639         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4640                 info_len += 2;
4641         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4642                 info_len += 1;
4643
4644         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4645             control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
4646                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4647                         info_len += 2;
4648                 else
4649                         info_len += 1;
4650         }
4651
4652         return prof->sta_info_len >= info_len &&
4653                fixed + prof->sta_info_len <= len;
4654 }
4655
4656 #define for_each_mle_subelement(_elem, _data, _len)                     \
4657         if (ieee80211_mle_size_ok(_data, _len))                         \
4658                 for_each_element(_elem,                                 \
4659                                  _data + ieee80211_mle_common_size(_data),\
4660                                  _len - ieee80211_mle_common_size(_data))
4661
4662 #endif /* __LINUX_IEEE80211_H */