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         u8 addr1[6];
 312         u8 addr2[6];
 313         u8 addr3[6];
 314         __le16 seq_ctrl;
 315 } __packed __aligned(2);
 316
 317 struct ieee80211_qos_hdr {
 318         __le16 frame_control;
 319         __le16 duration_id;
 320         u8 addr1[6];
 321         u8 addr2[6];
 322         u8 addr3[6];
 323         __le16 seq_ctrl;
 324         __le16 qos_ctrl;
 325 } __packed __aligned(2);
 326
 327 struct ieee80211_trigger {
 328         __le16 frame_control;
 329         __le16 duration;
 330         u8 ra[6];
 331         u8 ta[6];
 332         __le64 common_info;
 333         u8 variable[];
 334 } __packed __aligned(2);
 335
 336 /**
 337  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 338  * @fc: frame control bytes in little-endian byteorder
 339  */
 340 static inline bool ieee80211_has_tods(__le16 fc)
 341 {
 342         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 343 }
 344
 345 /**
 346  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 347  * @fc: frame control bytes in little-endian byteorder
 348  */
 349 static inline bool ieee80211_has_fromds(__le16 fc)
 350 {
 351         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 352 }
 353
 354 /**
 355  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 356  * @fc: frame control bytes in little-endian byteorder
 357  */
 358 static inline bool ieee80211_has_a4(__le16 fc)
 359 {
 360         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 361         return (fc & tmp) == tmp;
 362 }
 363
 364 /**
 365  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 366  * @fc: frame control bytes in little-endian byteorder
 367  */
 368 static inline bool ieee80211_has_morefrags(__le16 fc)
 369 {
 370         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 371 }
 372
 373 /**
 374  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 375  * @fc: frame control bytes in little-endian byteorder
 376  */
 377 static inline bool ieee80211_has_retry(__le16 fc)
 378 {
 379         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 380 }
 381
 382 /**
 383  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 384  * @fc: frame control bytes in little-endian byteorder
 385  */
 386 static inline bool ieee80211_has_pm(__le16 fc)
 387 {
 388         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 389 }
 390
 391 /**
 392  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_has_moredata(__le16 fc)
 396 {
 397         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 398 }
 399
 400 /**
 401  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 402  * @fc: frame control bytes in little-endian byteorder
 403  */
 404 static inline bool ieee80211_has_protected(__le16 fc)
 405 {
 406         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 407 }
 408
 409 /**
 410  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 411  * @fc: frame control bytes in little-endian byteorder
 412  */
 413 static inline bool ieee80211_has_order(__le16 fc)
 414 {
 415         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 416 }
 417
 418 /**
 419  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 420  * @fc: frame control bytes in little-endian byteorder
 421  */
 422 static inline bool ieee80211_is_mgmt(__le16 fc)
 423 {
 424         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 425                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 426 }
 427
 428 /**
 429  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 430  * @fc: frame control bytes in little-endian byteorder
 431  */
 432 static inline bool ieee80211_is_ctl(__le16 fc)
 433 {
 434         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 435                cpu_to_le16(IEEE80211_FTYPE_CTL);
 436 }
 437
 438 /**
 439  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 440  * @fc: frame control bytes in little-endian byteorder
 441  */
 442 static inline bool ieee80211_is_data(__le16 fc)
 443 {
 444         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 445                cpu_to_le16(IEEE80211_FTYPE_DATA);
 446 }
 447
 448 /**
 449  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 450  * @fc: frame control bytes in little-endian byteorder
 451  */
 452 static inline bool ieee80211_is_ext(__le16 fc)
 453 {
 454         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 455                cpu_to_le16(IEEE80211_FTYPE_EXT);
 456 }
 457
 458
 459 /**
 460  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 461  * @fc: frame control bytes in little-endian byteorder
 462  */
 463 static inline bool ieee80211_is_data_qos(__le16 fc)
 464 {
 465         /*
 466          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 467          * to check the one bit
 468          */
 469         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 470                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 471 }
 472
 473 /**
 474  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 475  * @fc: frame control bytes in little-endian byteorder
 476  */
 477 static inline bool ieee80211_is_data_present(__le16 fc)
 478 {
 479         /*
 480          * mask with 0x40 and test that that bit is clear to only return true
 481          * for the data-containing substypes.
 482          */
 483         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 484                cpu_to_le16(IEEE80211_FTYPE_DATA);
 485 }
 486
 487 /**
 488  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 489  * @fc: frame control bytes in little-endian byteorder
 490  */
 491 static inline bool ieee80211_is_assoc_req(__le16 fc)
 492 {
 493         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 494                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 495 }
 496
 497 /**
 498  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 499  * @fc: frame control bytes in little-endian byteorder
 500  */
 501 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 502 {
 503         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 504                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 505 }
 506
 507 /**
 508  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 509  * @fc: frame control bytes in little-endian byteorder
 510  */
 511 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 512 {
 513         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 514                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 515 }
 516
 517 /**
 518  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 519  * @fc: frame control bytes in little-endian byteorder
 520  */
 521 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 522 {
 523         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 524                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 525 }
 526
 527 /**
 528  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 529  * @fc: frame control bytes in little-endian byteorder
 530  */
 531 static inline bool ieee80211_is_probe_req(__le16 fc)
 532 {
 533         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 534                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 535 }
 536
 537 /**
 538  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 539  * @fc: frame control bytes in little-endian byteorder
 540  */
 541 static inline bool ieee80211_is_probe_resp(__le16 fc)
 542 {
 543         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 544                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 545 }
 546
 547 /**
 548  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 549  * @fc: frame control bytes in little-endian byteorder
 550  */
 551 static inline bool ieee80211_is_beacon(__le16 fc)
 552 {
 553         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 554                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 555 }
 556
 557 /**
 558  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 559  * IEEE80211_STYPE_S1G_BEACON
 560  * @fc: frame control bytes in little-endian byteorder
 561  */
 562 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 563 {
 564         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 565                                  IEEE80211_FCTL_STYPE)) ==
 566                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 567 }
 568
 569 /**
 570  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 571  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 572  * @fc: frame control bytes in little-endian byteorder
 573  */
 574 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 575 {
 576         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 577                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 578                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 579 }
 580
 581 /**
 582  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 583  * true for S1G beacons when they're short.
 584  * @fc: frame control bytes in little-endian byteorder
 585  */
 586 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 587 {
 588         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 589 }
 590
 591 /**
 592  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 593  * @fc: frame control bytes in little-endian byteorder
 594  */
 595 static inline bool ieee80211_is_atim(__le16 fc)
 596 {
 597         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 598                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 599 }
 600
 601 /**
 602  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 603  * @fc: frame control bytes in little-endian byteorder
 604  */
 605 static inline bool ieee80211_is_disassoc(__le16 fc)
 606 {
 607         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 608                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 609 }
 610
 611 /**
 612  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 613  * @fc: frame control bytes in little-endian byteorder
 614  */
 615 static inline bool ieee80211_is_auth(__le16 fc)
 616 {
 617         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 618                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 619 }
 620
 621 /**
 622  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 623  * @fc: frame control bytes in little-endian byteorder
 624  */
 625 static inline bool ieee80211_is_deauth(__le16 fc)
 626 {
 627         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 628                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 629 }
 630
 631 /**
 632  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 633  * @fc: frame control bytes in little-endian byteorder
 634  */
 635 static inline bool ieee80211_is_action(__le16 fc)
 636 {
 637         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 638                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 639 }
 640
 641 /**
 642  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 643  * @fc: frame control bytes in little-endian byteorder
 644  */
 645 static inline bool ieee80211_is_back_req(__le16 fc)
 646 {
 647         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 648                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 649 }
 650
 651 /**
 652  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 653  * @fc: frame control bytes in little-endian byteorder
 654  */
 655 static inline bool ieee80211_is_back(__le16 fc)
 656 {
 657         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 658                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 659 }
 660
 661 /**
 662  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 663  * @fc: frame control bytes in little-endian byteorder
 664  */
 665 static inline bool ieee80211_is_pspoll(__le16 fc)
 666 {
 667         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 668                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 669 }
 670
 671 /**
 672  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 673  * @fc: frame control bytes in little-endian byteorder
 674  */
 675 static inline bool ieee80211_is_rts(__le16 fc)
 676 {
 677         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 678                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 679 }
 680
 681 /**
 682  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 683  * @fc: frame control bytes in little-endian byteorder
 684  */
 685 static inline bool ieee80211_is_cts(__le16 fc)
 686 {
 687         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 688                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 689 }
 690
 691 /**
 692  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 693  * @fc: frame control bytes in little-endian byteorder
 694  */
 695 static inline bool ieee80211_is_ack(__le16 fc)
 696 {
 697         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 698                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 699 }
 700
 701 /**
 702  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 703  * @fc: frame control bytes in little-endian byteorder
 704  */
 705 static inline bool ieee80211_is_cfend(__le16 fc)
 706 {
 707         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 708                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 709 }
 710
 711 /**
 712  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 713  * @fc: frame control bytes in little-endian byteorder
 714  */
 715 static inline bool ieee80211_is_cfendack(__le16 fc)
 716 {
 717         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 718                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 719 }
 720
 721 /**
 722  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 723  * @fc: frame control bytes in little-endian byteorder
 724  */
 725 static inline bool ieee80211_is_nullfunc(__le16 fc)
 726 {
 727         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 728                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 729 }
 730
 731 /**
 732  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 733  * @fc: frame control bytes in little-endian byteorder
 734  */
 735 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 736 {
 737         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 738                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 739 }
 740
 741 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 742 {
 743         unsigned int hdrlen = 24;
 744
 745         if (ieee80211_has_a4(fc))
 746                 hdrlen = 30;
 747
 748         if (ieee80211_is_data_qos(fc)) {
 749                 hdrlen += IEEE80211_QOS_CTL_LEN;
 750                 if (ieee80211_has_order(fc))
 751                         hdrlen += IEEE80211_HT_CTL_LEN;
 752         }
 753
 754         return hdrlen;
 755 }
 756
 757 /**
 758  * ieee80211_is_trigger - check if frame is trigger frame
 759  * @fc: frame control field in little-endian byteorder
 760  */
 761 static inline bool ieee80211_is_trigger(__le16 fc)
 762 {
 763         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 764                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 765 }
 766
 767 /**
 768  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 769  * @fc: frame control bytes in little-endian byteorder
 770  */
 771 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 772 {
 773         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 774 }
 775
 776 /**
 777  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 778  * @fc: frame control field in little-endian byteorder
 779  */
 780 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 781 {
 782         /* IEEE 802.11-2012, definition of "bufferable management frame";
 783          * note that this ignores the IBSS special case. */
 784         return ieee80211_is_mgmt(fc) &&
 785                (ieee80211_is_action(fc) ||
 786                 ieee80211_is_disassoc(fc) ||
 787                 ieee80211_is_deauth(fc));
 788 }
 789
 790 /**
 791  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 792  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 793  */
 794 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 795 {
 796         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 797 }
 798
 799 /**
 800  * ieee80211_is_frag - check if a frame is a fragment
 801  * @hdr: 802.11 header of the frame
 802  */
 803 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 804 {
 805         return ieee80211_has_morefrags(hdr->frame_control) ||
 806                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 807 }
 808
 809 struct ieee80211s_hdr {
 810         u8 flags;
 811         u8 ttl;
 812         __le32 seqnum;
 813         u8 eaddr1[6];
 814         u8 eaddr2[6];
 815 } __packed __aligned(2);
 816
 817 /* Mesh flags */
 818 #define MESH_FLAGS_AE_A4        0x1
 819 #define MESH_FLAGS_AE_A5_A6     0x2
 820 #define MESH_FLAGS_AE           0x3
 821 #define MESH_FLAGS_PS_DEEP      0x4
 822
 823 /**
 824  * enum ieee80211_preq_flags - mesh PREQ element flags
 825  *
 826  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 827  */
 828 enum ieee80211_preq_flags {
 829         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 830 };
 831
 832 /**
 833  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 834  *
 835  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 836  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 837  */
 838 enum ieee80211_preq_target_flags {
 839         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 840         IEEE80211_PREQ_USN_FLAG = 1<<2,
 841 };
 842
 843 /**
 844  * struct ieee80211_quiet_ie
 845  *
 846  * This structure refers to "Quiet information element"
 847  */
 848 struct ieee80211_quiet_ie {
 849         u8 count;
 850         u8 period;
 851         __le16 duration;
 852         __le16 offset;
 853 } __packed;
 854
 855 /**
 856  * struct ieee80211_msrment_ie
 857  *
 858  * This structure refers to "Measurement Request/Report information element"
 859  */
 860 struct ieee80211_msrment_ie {
 861         u8 token;
 862         u8 mode;
 863         u8 type;
 864         u8 request[];
 865 } __packed;
 866
 867 /**
 868  * struct ieee80211_channel_sw_ie
 869  *
 870  * This structure refers to "Channel Switch Announcement information element"
 871  */
 872 struct ieee80211_channel_sw_ie {
 873         u8 mode;
 874         u8 new_ch_num;
 875         u8 count;
 876 } __packed;
 877
 878 /**
 879  * struct ieee80211_ext_chansw_ie
 880  *
 881  * This structure represents the "Extended Channel Switch Announcement element"
 882  */
 883 struct ieee80211_ext_chansw_ie {
 884         u8 mode;
 885         u8 new_operating_class;
 886         u8 new_ch_num;
 887         u8 count;
 888 } __packed;
 889
 890 /**
 891  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 892  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 893  *      values here
 894  * This structure represents the "Secondary Channel Offset element"
 895  */
 896 struct ieee80211_sec_chan_offs_ie {
 897         u8 sec_chan_offs;
 898 } __packed;
 899
 900 /**
 901  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 902  *
 903  * This structure represents the "Mesh Channel Switch Paramters element"
 904  */
 905 struct ieee80211_mesh_chansw_params_ie {
 906         u8 mesh_ttl;
 907         u8 mesh_flags;
 908         __le16 mesh_reason;
 909         __le16 mesh_pre_value;
 910 } __packed;
 911
 912 /**
 913  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 914  */
 915 struct ieee80211_wide_bw_chansw_ie {
 916         u8 new_channel_width;
 917         u8 new_center_freq_seg0, new_center_freq_seg1;
 918 } __packed;
 919
 920 /**
 921  * struct ieee80211_tim
 922  *
 923  * This structure refers to "Traffic Indication Map information element"
 924  */
 925 struct ieee80211_tim_ie {
 926         u8 dtim_count;
 927         u8 dtim_period;
 928         u8 bitmap_ctrl;
 929         /* variable size: 1 - 251 bytes */
 930         u8 virtual_map[1];
 931 } __packed;
 932
 933 /**
 934  * struct ieee80211_meshconf_ie
 935  *
 936  * This structure refers to "Mesh Configuration information element"
 937  */
 938 struct ieee80211_meshconf_ie {
 939         u8 meshconf_psel;
 940         u8 meshconf_pmetric;
 941         u8 meshconf_congest;
 942         u8 meshconf_synch;
 943         u8 meshconf_auth;
 944         u8 meshconf_form;
 945         u8 meshconf_cap;
 946 } __packed;
 947
 948 /**
 949  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 950  *
 951  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 952  *      additional mesh peerings with other mesh STAs
 953  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 954  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 955  *      is ongoing
 956  */
 957 enum mesh_config_capab_flags {
 958         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 959         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 960         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 961 };
 962
 963 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 964
 965 /**
 966  * mesh channel switch parameters element's flag indicator
 967  *
 968  */
 969 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 970 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 971 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 972
 973 /**
 974  * struct ieee80211_rann_ie
 975  *
 976  * This structure refers to "Root Announcement information element"
 977  */
 978 struct ieee80211_rann_ie {
 979         u8 rann_flags;
 980         u8 rann_hopcount;
 981         u8 rann_ttl;
 982         u8 rann_addr[6];
 983         __le32 rann_seq;
 984         __le32 rann_interval;
 985         __le32 rann_metric;
 986 } __packed;
 987
 988 enum ieee80211_rann_flags {
 989         RANN_FLAG_IS_GATE = 1 << 0,
 990 };
 991
 992 enum ieee80211_ht_chanwidth_values {
 993         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 994         IEEE80211_HT_CHANWIDTH_ANY = 1,
 995 };
 996
 997 /**
 998  * enum ieee80211_opmode_bits - VHT operating mode field bits
 999  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1000  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1001  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1002  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1003  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1004  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1005  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1006  *      (the NSS value is the value of this field + 1)
1007  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1008  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1009  *      using a beamforming steering matrix
1010  */
1011 enum ieee80211_vht_opmode_bits {
1012         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1013         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1014         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1015         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1016         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1017         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1018         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1019         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1020         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1021 };
1022
1023 /**
1024  * enum ieee80211_s1g_chanwidth
1025  * These are defined in IEEE802.11-2016ah Table 10-20
1026  * as BSS Channel Width
1027  *
1028  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1029  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1030  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1031  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1032  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1033  */
1034 enum ieee80211_s1g_chanwidth {
1035         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1036         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1037         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1038         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1039         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1040 };
1041
1042 #define WLAN_SA_QUERY_TR_ID_LEN 2
1043 #define WLAN_MEMBERSHIP_LEN 8
1044 #define WLAN_USER_POSITION_LEN 16
1045
1046 /**
1047  * struct ieee80211_tpc_report_ie
1048  *
1049  * This structure refers to "TPC Report element"
1050  */
1051 struct ieee80211_tpc_report_ie {
1052         u8 tx_power;
1053         u8 link_margin;
1054 } __packed;
1055
1056 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1057 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1058 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1059 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1060 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1061
1062 struct ieee80211_addba_ext_ie {
1063         u8 data;
1064 } __packed;
1065
1066 /**
1067  * struct ieee80211_s1g_bcn_compat_ie
1068  *
1069  * S1G Beacon Compatibility element
1070  */
1071 struct ieee80211_s1g_bcn_compat_ie {
1072         __le16 compat_info;
1073         __le16 beacon_int;
1074         __le32 tsf_completion;
1075 } __packed;
1076
1077 /**
1078  * struct ieee80211_s1g_oper_ie
1079  *
1080  * S1G Operation element
1081  */
1082 struct ieee80211_s1g_oper_ie {
1083         u8 ch_width;
1084         u8 oper_class;
1085         u8 primary_ch;
1086         u8 oper_ch;
1087         __le16 basic_mcs_nss;
1088 } __packed;
1089
1090 /**
1091  * struct ieee80211_aid_response_ie
1092  *
1093  * AID Response element
1094  */
1095 struct ieee80211_aid_response_ie {
1096         __le16 aid;
1097         u8 switch_count;
1098         __le16 response_int;
1099 } __packed;
1100
1101 struct ieee80211_s1g_cap {
1102         u8 capab_info[10];
1103         u8 supp_mcs_nss[5];
1104 } __packed;
1105
1106 struct ieee80211_ext {
1107         __le16 frame_control;
1108         __le16 duration;
1109         union {
1110                 struct {
1111                         u8 sa[6];
1112                         __le32 timestamp;
1113                         u8 change_seq;
1114                         u8 variable[0];
1115                 } __packed s1g_beacon;
1116                 struct {
1117                         u8 sa[6];
1118                         __le32 timestamp;
1119                         u8 change_seq;
1120                         u8 next_tbtt[3];
1121                         u8 variable[0];
1122                 } __packed s1g_short_beacon;
1123         } u;
1124 } __packed __aligned(2);
1125
1126 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1127 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1128 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1129 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1130 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1131
1132 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1133 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1134 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1135 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1136 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1137 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1138 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1139 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1140
1141 enum ieee80211_twt_setup_cmd {
1142         TWT_SETUP_CMD_REQUEST,
1143         TWT_SETUP_CMD_SUGGEST,
1144         TWT_SETUP_CMD_DEMAND,
1145         TWT_SETUP_CMD_GROUPING,
1146         TWT_SETUP_CMD_ACCEPT,
1147         TWT_SETUP_CMD_ALTERNATE,
1148         TWT_SETUP_CMD_DICTATE,
1149         TWT_SETUP_CMD_REJECT,
1150 };
1151
1152 struct ieee80211_twt_params {
1153         __le16 req_type;
1154         __le64 twt;
1155         u8 min_twt_dur;
1156         __le16 mantissa;
1157         u8 channel;
1158 } __packed;
1159
1160 struct ieee80211_twt_setup {
1161         u8 dialog_token;
1162         u8 element_id;
1163         u8 length;
1164         u8 control;
1165         u8 params[];
1166 } __packed;
1167
1168 struct ieee80211_mgmt {
1169         __le16 frame_control;
1170         __le16 duration;
1171         u8 da[6];
1172         u8 sa[6];
1173         u8 bssid[6];
1174         __le16 seq_ctrl;
1175         union {
1176                 struct {
1177                         __le16 auth_alg;
1178                         __le16 auth_transaction;
1179                         __le16 status_code;
1180                         /* possibly followed by Challenge text */
1181                         u8 variable[];
1182                 } __packed __aligned(4) auth;
1183                 struct {
1184                         __le16 reason_code;
1185                 } __packed __aligned(4) deauth;
1186                 struct {
1187                         __le16 capab_info;
1188                         __le16 listen_interval;
1189                         /* followed by SSID and Supported rates */
1190                         u8 variable[];
1191                 } __packed __aligned(4) assoc_req;
1192                 struct {
1193                         __le16 capab_info;
1194                         __le16 status_code;
1195                         __le16 aid;
1196                         /* followed by Supported rates */
1197                         u8 variable[];
1198                 } __packed __aligned(4) assoc_resp, reassoc_resp;
1199                 struct {
1200                         __le16 capab_info;
1201                         __le16 status_code;
1202                         u8 variable[];
1203                 } __packed __aligned(4) s1g_assoc_resp, s1g_reassoc_resp;
1204                 struct {
1205                         __le16 capab_info;
1206                         __le16 listen_interval;
1207                         u8 current_ap[6];
1208                         /* followed by SSID and Supported rates */
1209                         u8 variable[];
1210                 } __packed __aligned(4) reassoc_req;
1211                 struct {
1212                         __le16 reason_code;
1213                 } __packed __aligned(4) disassoc;
1214                 struct {
1215                         __le64 timestamp;
1216                         __le16 beacon_int;
1217                         __le16 capab_info;
1218                         /* followed by some of SSID, Supported rates,
1219                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1220                         u8 variable[];
1221                 } __packed __aligned(4) beacon;
1222                 struct {
1223                         /* only variable items: SSID, Supported rates */
1224                         DECLARE_FLEX_ARRAY(u8, variable);
1225                 } __packed __aligned(4) probe_req;
1226                 struct {
1227                         __le64 timestamp;
1228                         __le16 beacon_int;
1229                         __le16 capab_info;
1230                         /* followed by some of SSID, Supported rates,
1231                          * FH Params, DS Params, CF Params, IBSS Params */
1232                         u8 variable[];
1233                 } __packed __aligned(4) probe_resp;
1234                 struct {
1235                         u8 category;
1236                         union {
1237                                 struct {
1238                                         u8 action_code;
1239                                         u8 dialog_token;
1240                                         u8 status_code;
1241                                         u8 variable[];
1242                                 } __packed wme_action;
1243                                 struct{
1244                                         u8 action_code;
1245                                         u8 variable[];
1246                                 } __packed chan_switch;
1247                                 struct{
1248                                         u8 action_code;
1249                                         struct ieee80211_ext_chansw_ie data;
1250                                         u8 variable[];
1251                                 } __packed ext_chan_switch;
1252                                 struct{
1253                                         u8 action_code;
1254                                         u8 dialog_token;
1255                                         u8 element_id;
1256                                         u8 length;
1257                                         struct ieee80211_msrment_ie msr_elem;
1258                                 } __packed measurement;
1259                                 struct{
1260                                         u8 action_code;
1261                                         u8 dialog_token;
1262                                         __le16 capab;
1263                                         __le16 timeout;
1264                                         __le16 start_seq_num;
1265                                         /* followed by BA Extension */
1266                                         u8 variable[];
1267                                 } __packed addba_req;
1268                                 struct{
1269                                         u8 action_code;
1270                                         u8 dialog_token;
1271                                         __le16 status;
1272                                         __le16 capab;
1273                                         __le16 timeout;
1274                                 } __packed addba_resp;
1275                                 struct{
1276                                         u8 action_code;
1277                                         __le16 params;
1278                                         __le16 reason_code;
1279                                 } __packed delba;
1280                                 struct {
1281                                         u8 action_code;
1282                                         u8 variable[];
1283                                 } __packed self_prot;
1284                                 struct{
1285                                         u8 action_code;
1286                                         u8 variable[];
1287                                 } __packed mesh_action;
1288                                 struct {
1289                                         u8 action;
1290                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1291                                 } __packed sa_query;
1292                                 struct {
1293                                         u8 action;
1294                                         u8 smps_control;
1295                                 } __packed ht_smps;
1296                                 struct {
1297                                         u8 action_code;
1298                                         u8 chanwidth;
1299                                 } __packed ht_notify_cw;
1300                                 struct {
1301                                         u8 action_code;
1302                                         u8 dialog_token;
1303                                         __le16 capability;
1304                                         u8 variable[0];
1305                                 } __packed tdls_discover_resp;
1306                                 struct {
1307                                         u8 action_code;
1308                                         u8 operating_mode;
1309                                 } __packed vht_opmode_notif;
1310                                 struct {
1311                                         u8 action_code;
1312                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1313                                         u8 position[WLAN_USER_POSITION_LEN];
1314                                 } __packed vht_group_notif;
1315                                 struct {
1316                                         u8 action_code;
1317                                         u8 dialog_token;
1318                                         u8 tpc_elem_id;
1319                                         u8 tpc_elem_length;
1320                                         struct ieee80211_tpc_report_ie tpc;
1321                                 } __packed tpc_report;
1322                                 struct {
1323                                         u8 action_code;
1324                                         u8 dialog_token;
1325                                         u8 follow_up;
1326                                         u8 tod[6];
1327                                         u8 toa[6];
1328                                         __le16 tod_error;
1329                                         __le16 toa_error;
1330                                         u8 variable[];
1331                                 } __packed ftm;
1332                                 struct {
1333                                         u8 action_code;
1334                                         u8 variable[];
1335                                 } __packed s1g;
1336                         } u;
1337                 } __packed __aligned(4) action;
1338         } u __aligned(2);
1339 } __packed __aligned(2);
1340
1341 /* Supported rates membership selectors */
1342 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1343 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1344 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1345 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1346
1347 /* mgmt header + 1 byte category code */
1348 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1349
1350
1351 /* Management MIC information element (IEEE 802.11w) */
1352 struct ieee80211_mmie {
1353         u8 element_id;
1354         u8 length;
1355         __le16 key_id;
1356         u8 sequence_number[6];
1357         u8 mic[8];
1358 } __packed;
1359
1360 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1361 struct ieee80211_mmie_16 {
1362         u8 element_id;
1363         u8 length;
1364         __le16 key_id;
1365         u8 sequence_number[6];
1366         u8 mic[16];
1367 } __packed;
1368
1369 struct ieee80211_vendor_ie {
1370         u8 element_id;
1371         u8 len;
1372         u8 oui[3];
1373         u8 oui_type;
1374 } __packed;
1375
1376 struct ieee80211_wmm_ac_param {
1377         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1378         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1379         __le16 txop_limit;
1380 } __packed;
1381
1382 struct ieee80211_wmm_param_ie {
1383         u8 element_id; /* Element ID: 221 (0xdd); */
1384         u8 len; /* Length: 24 */
1385         /* required fields for WMM version 1 */
1386         u8 oui[3]; /* 00:50:f2 */
1387         u8 oui_type; /* 2 */
1388         u8 oui_subtype; /* 1 */
1389         u8 version; /* 1 for WMM version 1.0 */
1390         u8 qos_info; /* AP/STA specific QoS info */
1391         u8 reserved; /* 0 */
1392         /* AC_BE, AC_BK, AC_VI, AC_VO */
1393         struct ieee80211_wmm_ac_param ac[4];
1394 } __packed;
1395
1396 /* Control frames */
1397 struct ieee80211_rts {
1398         __le16 frame_control;
1399         __le16 duration;
1400         u8 ra[6];
1401         u8 ta[6];
1402 } __packed __aligned(2);
1403
1404 struct ieee80211_cts {
1405         __le16 frame_control;
1406         __le16 duration;
1407         u8 ra[6];
1408 } __packed __aligned(2);
1409
1410 struct ieee80211_pspoll {
1411         __le16 frame_control;
1412         __le16 aid;
1413         u8 bssid[6];
1414         u8 ta[6];
1415 } __packed __aligned(2);
1416
1417 /* TDLS */
1418
1419 /* Channel switch timing */
1420 struct ieee80211_ch_switch_timing {
1421         __le16 switch_time;
1422         __le16 switch_timeout;
1423 } __packed;
1424
1425 /* Link-id information element */
1426 struct ieee80211_tdls_lnkie {
1427         u8 ie_type; /* Link Identifier IE */
1428         u8 ie_len;
1429         u8 bssid[6];
1430         u8 init_sta[6];
1431         u8 resp_sta[6];
1432 } __packed;
1433
1434 struct ieee80211_tdls_data {
1435         u8 da[6];
1436         u8 sa[6];
1437         __be16 ether_type;
1438         u8 payload_type;
1439         u8 category;
1440         u8 action_code;
1441         union {
1442                 struct {
1443                         u8 dialog_token;
1444                         __le16 capability;
1445                         u8 variable[0];
1446                 } __packed setup_req;
1447                 struct {
1448                         __le16 status_code;
1449                         u8 dialog_token;
1450                         __le16 capability;
1451                         u8 variable[0];
1452                 } __packed setup_resp;
1453                 struct {
1454                         __le16 status_code;
1455                         u8 dialog_token;
1456                         u8 variable[0];
1457                 } __packed setup_cfm;
1458                 struct {
1459                         __le16 reason_code;
1460                         u8 variable[0];
1461                 } __packed teardown;
1462                 struct {
1463                         u8 dialog_token;
1464                         u8 variable[0];
1465                 } __packed discover_req;
1466                 struct {
1467                         u8 target_channel;
1468                         u8 oper_class;
1469                         u8 variable[0];
1470                 } __packed chan_switch_req;
1471                 struct {
1472                         __le16 status_code;
1473                         u8 variable[0];
1474                 } __packed chan_switch_resp;
1475         } u;
1476 } __packed;
1477
1478 /*
1479  * Peer-to-Peer IE attribute related definitions.
1480  */
1481 /**
1482  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1483  */
1484 enum ieee80211_p2p_attr_id {
1485         IEEE80211_P2P_ATTR_STATUS = 0,
1486         IEEE80211_P2P_ATTR_MINOR_REASON,
1487         IEEE80211_P2P_ATTR_CAPABILITY,
1488         IEEE80211_P2P_ATTR_DEVICE_ID,
1489         IEEE80211_P2P_ATTR_GO_INTENT,
1490         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1491         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1492         IEEE80211_P2P_ATTR_GROUP_BSSID,
1493         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1494         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1495         IEEE80211_P2P_ATTR_MANAGABILITY,
1496         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1497         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1498         IEEE80211_P2P_ATTR_DEVICE_INFO,
1499         IEEE80211_P2P_ATTR_GROUP_INFO,
1500         IEEE80211_P2P_ATTR_GROUP_ID,
1501         IEEE80211_P2P_ATTR_INTERFACE,
1502         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1503         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1504         /* 19 - 220: Reserved */
1505         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1506
1507         IEEE80211_P2P_ATTR_MAX
1508 };
1509
1510 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1511 /* Typical max value used here */
1512 #define IEEE80211_P2P_NOA_DESC_MAX      4
1513
1514 struct ieee80211_p2p_noa_desc {
1515         u8 count;
1516         __le32 duration;
1517         __le32 interval;
1518         __le32 start_time;
1519 } __packed;
1520
1521 struct ieee80211_p2p_noa_attr {
1522         u8 index;
1523         u8 oppps_ctwindow;
1524         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1525 } __packed;
1526
1527 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1528 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1529
1530 /**
1531  * struct ieee80211_bar - HT Block Ack Request
1532  *
1533  * This structure refers to "HT BlockAckReq" as
1534  * described in 802.11n draft section 7.2.1.7.1
1535  */
1536 struct ieee80211_bar {
1537         __le16 frame_control;
1538         __le16 duration;
1539         __u8 ra[6];
1540         __u8 ta[6];
1541         __le16 control;
1542         __le16 start_seq_num;
1543 } __packed __aligned(2);
1544
1545 /* 802.11 BA(R) control masks */
1546 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1547 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1548 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1549 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1550 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1551
1552 /**
1553  * struct ieee80211_ba - HT Block Ack
1554  *
1555  * This structure refers to "HT BlockAck" as
1556  * described in 802.11n draft section 7.2.1.8.1
1557  */
1558 struct ieee80211_ba {
1559         __le16 frame_control;
1560         __le16 duration;
1561         u8 ra[6];
1562         u8 ta[6];
1563         __le16 control;
1564
1565         __le16 start_seq_num;
1566         u8 bitmap[8];
1567 } __packed;
1568
1569 #define IEEE80211_HT_MCS_MASK_LEN               10
1570
1571 /**
1572  * struct ieee80211_mcs_info - MCS information
1573  * @rx_mask: RX mask
1574  * @rx_highest: highest supported RX rate. If set represents
1575  *      the highest supported RX data rate in units of 1 Mbps.
1576  *      If this field is 0 this value should not be used to
1577  *      consider the highest RX data rate supported.
1578  * @tx_params: TX parameters
1579  */
1580 struct ieee80211_mcs_info {
1581         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1582         __le16 rx_highest;
1583         u8 tx_params;
1584         u8 reserved[3];
1585 } __packed;
1586
1587 /* 802.11n HT capability MSC set */
1588 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1589 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1590 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1591 /* value 0 == 1 stream etc */
1592 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1593 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1594 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1595 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1596
1597 /*
1598  * 802.11n D5.0 20.3.5 / 20.6 says:
1599  * - indices 0 to 7 and 32 are single spatial stream
1600  * - 8 to 31 are multiple spatial streams using equal modulation
1601  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1602  * - remainder are multiple spatial streams using unequal modulation
1603  */
1604 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1605 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1606         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1607
1608 /**
1609  * struct ieee80211_ht_cap - HT capabilities
1610  *
1611  * This structure is the "HT capabilities element" as
1612  * described in 802.11n D5.0 7.3.2.57
1613  */
1614 struct ieee80211_ht_cap {
1615         __le16 cap_info;
1616         u8 ampdu_params_info;
1617
1618         /* 16 bytes MCS information */
1619         struct ieee80211_mcs_info mcs;
1620
1621         __le16 extended_ht_cap_info;
1622         __le32 tx_BF_cap_info;
1623         u8 antenna_selection_info;
1624 } __packed;
1625
1626 /* 802.11n HT capabilities masks (for cap_info) */
1627 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1628 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1629 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1630 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1631 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1632 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1633 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1634 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1635 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1636 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1637 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1638 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1639 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1640 #define IEEE80211_HT_CAP_RESERVED               0x2000
1641 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1642 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1643
1644 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1645 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1646 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1647 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1648 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1649 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1650 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1651 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1652
1653 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1654 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1655 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1656 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1657
1658 /*
1659  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1660  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1661  */
1662 enum ieee80211_max_ampdu_length_exp {
1663         IEEE80211_HT_MAX_AMPDU_8K = 0,
1664         IEEE80211_HT_MAX_AMPDU_16K = 1,
1665         IEEE80211_HT_MAX_AMPDU_32K = 2,
1666         IEEE80211_HT_MAX_AMPDU_64K = 3
1667 };
1668
1669 /*
1670  * Maximum length of AMPDU that the STA can receive in VHT.
1671  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1672  */
1673 enum ieee80211_vht_max_ampdu_length_exp {
1674         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1675         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1676         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1677         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1678         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1679         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1680         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1681         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1682 };
1683
1684 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1685
1686 /* Minimum MPDU start spacing */
1687 enum ieee80211_min_mpdu_spacing {
1688         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1689         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1690         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1691         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1692         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1693         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1694         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1695         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1696 };
1697
1698 /**
1699  * struct ieee80211_ht_operation - HT operation IE
1700  *
1701  * This structure is the "HT operation element" as
1702  * described in 802.11n-2009 7.3.2.57
1703  */
1704 struct ieee80211_ht_operation {
1705         u8 primary_chan;
1706         u8 ht_param;
1707         __le16 operation_mode;
1708         __le16 stbc_param;
1709         u8 basic_set[16];
1710 } __packed;
1711
1712 /* for ht_param */
1713 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1714 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1715 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1716 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1717 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1718 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1719
1720 /* for operation_mode */
1721 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1722 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1723 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1724 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1725 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1726 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1727 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1728 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1729 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1730
1731 /* for stbc_param */
1732 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1733 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1734 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1735 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1736 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1737 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1738
1739
1740 /* block-ack parameters */
1741 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1742 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1743 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1744 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1745 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1746 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1747
1748 /*
1749  * A-MPDU buffer sizes
1750  * According to HT size varies from 8 to 64 frames
1751  * HE adds the ability to have up to 256 frames.
1752  * EHT adds the ability to have up to 1K frames.
1753  */
1754 #define IEEE80211_MIN_AMPDU_BUF         0x8
1755 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1756 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1757 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1758
1759
1760 /* Spatial Multiplexing Power Save Modes (for capability) */
1761 #define WLAN_HT_CAP_SM_PS_STATIC        0
1762 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1763 #define WLAN_HT_CAP_SM_PS_INVALID       2
1764 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1765
1766 /* for SM power control field lower two bits */
1767 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1768 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1769 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1770
1771 /**
1772  * struct ieee80211_vht_mcs_info - VHT MCS information
1773  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1774  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1775  *      STA can receive. Rate expressed in units of 1 Mbps.
1776  *      If this field is 0 this value should not be used to
1777  *      consider the highest RX data rate supported.
1778  *      The top 3 bits of this field indicate the Maximum NSTS,total
1779  *      (a beamformee capability.)
1780  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1781  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1782  *      STA can transmit. Rate expressed in units of 1 Mbps.
1783  *      If this field is 0 this value should not be used to
1784  *      consider the highest TX data rate supported.
1785  *      The top 2 bits of this field are reserved, the
1786  *      3rd bit from the top indiciates VHT Extended NSS BW
1787  *      Capability.
1788  */
1789 struct ieee80211_vht_mcs_info {
1790         __le16 rx_mcs_map;
1791         __le16 rx_highest;
1792         __le16 tx_mcs_map;
1793         __le16 tx_highest;
1794 } __packed;
1795
1796 /* for rx_highest */
1797 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1798 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1799
1800 /* for tx_highest */
1801 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1802
1803 /**
1804  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1805  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1806  *      number of streams
1807  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1808  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1809  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1810  *
1811  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1812  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1813  * both split into 8 subfields by number of streams. These values indicate
1814  * which MCSes are supported for the number of streams the value appears
1815  * for.
1816  */
1817 enum ieee80211_vht_mcs_support {
1818         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1819         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1820         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1821         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1822 };
1823
1824 /**
1825  * struct ieee80211_vht_cap - VHT capabilities
1826  *
1827  * This structure is the "VHT capabilities element" as
1828  * described in 802.11ac D3.0 8.4.2.160
1829  * @vht_cap_info: VHT capability info
1830  * @supp_mcs: VHT MCS supported rates
1831  */
1832 struct ieee80211_vht_cap {
1833         __le32 vht_cap_info;
1834         struct ieee80211_vht_mcs_info supp_mcs;
1835 } __packed;
1836
1837 /**
1838  * enum ieee80211_vht_chanwidth - VHT channel width
1839  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1840  *      determine the channel width (20 or 40 MHz)
1841  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1842  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1843  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1844  */
1845 enum ieee80211_vht_chanwidth {
1846         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1847         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1848         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1849         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1850 };
1851
1852 /**
1853  * struct ieee80211_vht_operation - VHT operation IE
1854  *
1855  * This structure is the "VHT operation element" as
1856  * described in 802.11ac D3.0 8.4.2.161
1857  * @chan_width: Operating channel width
1858  * @center_freq_seg0_idx: center freq segment 0 index
1859  * @center_freq_seg1_idx: center freq segment 1 index
1860  * @basic_mcs_set: VHT Basic MCS rate set
1861  */
1862 struct ieee80211_vht_operation {
1863         u8 chan_width;
1864         u8 center_freq_seg0_idx;
1865         u8 center_freq_seg1_idx;
1866         __le16 basic_mcs_set;
1867 } __packed;
1868
1869 /**
1870  * struct ieee80211_he_cap_elem - HE capabilities element
1871  *
1872  * This structure is the "HE capabilities element" fixed fields as
1873  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1874  */
1875 struct ieee80211_he_cap_elem {
1876         u8 mac_cap_info[6];
1877         u8 phy_cap_info[11];
1878 } __packed;
1879
1880 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1881
1882 /**
1883  * enum ieee80211_he_mcs_support - HE MCS support definitions
1884  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1885  *      number of streams
1886  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1887  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1888  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1889  *
1890  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1891  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1892  * both split into 8 subfields by number of streams. These values indicate
1893  * which MCSes are supported for the number of streams the value appears
1894  * for.
1895  */
1896 enum ieee80211_he_mcs_support {
1897         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1898         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1899         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1900         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1901 };
1902
1903 /**
1904  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1905  *
1906  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1907  * described in P802.11ax_D2.0 section 9.4.2.237.4
1908  *
1909  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1910  *     widths less than 80MHz.
1911  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1912  *     widths less than 80MHz.
1913  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1914  *     width 160MHz.
1915  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1916  *     width 160MHz.
1917  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1918  *     channel width 80p80MHz.
1919  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1920  *     channel width 80p80MHz.
1921  */
1922 struct ieee80211_he_mcs_nss_supp {
1923         __le16 rx_mcs_80;
1924         __le16 tx_mcs_80;
1925         __le16 rx_mcs_160;
1926         __le16 tx_mcs_160;
1927         __le16 rx_mcs_80p80;
1928         __le16 tx_mcs_80p80;
1929 } __packed;
1930
1931 /**
1932  * struct ieee80211_he_operation - HE capabilities element
1933  *
1934  * This structure is the "HE operation element" fields as
1935  * described in P802.11ax_D4.0 section 9.4.2.243
1936  */
1937 struct ieee80211_he_operation {
1938         __le32 he_oper_params;
1939         __le16 he_mcs_nss_set;
1940         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1941         u8 optional[];
1942 } __packed;
1943
1944 /**
1945  * struct ieee80211_he_spr - HE spatial reuse element
1946  *
1947  * This structure is the "HE spatial reuse element" element as
1948  * described in P802.11ax_D4.0 section 9.4.2.241
1949  */
1950 struct ieee80211_he_spr {
1951         u8 he_sr_control;
1952         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1953         u8 optional[];
1954 } __packed;
1955
1956 /**
1957  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1958  *
1959  * This structure is the "MU AC Parameter Record" fields as
1960  * described in P802.11ax_D4.0 section 9.4.2.245
1961  */
1962 struct ieee80211_he_mu_edca_param_ac_rec {
1963         u8 aifsn;
1964         u8 ecw_min_max;
1965         u8 mu_edca_timer;
1966 } __packed;
1967
1968 /**
1969  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1970  *
1971  * This structure is the "MU EDCA Parameter Set element" fields as
1972  * described in P802.11ax_D4.0 section 9.4.2.245
1973  */
1974 struct ieee80211_mu_edca_param_set {
1975         u8 mu_qos_info;
1976         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1977         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1978         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1979         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1980 } __packed;
1981
1982 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1983 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1984
1985 /**
1986  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1987  * supported NSS for per MCS.
1988  *
1989  * For each field below, bits 0 - 3 indicate the maximal number of spatial
1990  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1991  * for Tx.
1992  *
1993  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1994  *     supported for reception and the maximum number of spatial streams
1995  *     supported for transmission for MCS 0 - 7.
1996  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1997  *     supported for reception and the maximum number of spatial streams
1998  *     supported for transmission for MCS 8 - 9.
1999  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2000  *     supported for reception and the maximum number of spatial streams
2001  *     supported for transmission for MCS 10 - 11.
2002  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2003  *     supported for reception and the maximum number of spatial streams
2004  *     supported for transmission for MCS 12 - 13.
2005  */
2006 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2007         u8 rx_tx_mcs7_max_nss;
2008         u8 rx_tx_mcs9_max_nss;
2009         u8 rx_tx_mcs11_max_nss;
2010         u8 rx_tx_mcs13_max_nss;
2011 };
2012
2013 /**
2014  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2015  * 20MHz only stations).
2016  *
2017  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2018  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2019  * for Tx.
2020  *
2021  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2022  *     supported for reception and the maximum number of spatial streams
2023  *     supported for transmission for MCS 0 - 9.
2024  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2025  *     supported for reception and the maximum number of spatial streams
2026  *     supported for transmission for MCS 10 - 11.
2027  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2028  *     supported for reception and the maximum number of spatial streams
2029  *     supported for transmission for MCS 12 - 13.
2030  */
2031 struct ieee80211_eht_mcs_nss_supp_bw {
2032         u8 rx_tx_mcs9_max_nss;
2033         u8 rx_tx_mcs11_max_nss;
2034         u8 rx_tx_mcs13_max_nss;
2035 };
2036
2037 /**
2038  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2039  *
2040  * This structure is the "EHT Capabilities element" fixed fields as
2041  * described in P802.11be_D1.4 section 9.4.2.313.
2042  *
2043  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2044  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2045  */
2046 struct ieee80211_eht_cap_elem_fixed {
2047         u8 mac_cap_info[2];
2048         u8 phy_cap_info[9];
2049 } __packed;
2050
2051 /**
2052  * struct ieee80211_eht_cap_elem - EHT capabilities element
2053  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2054  * @optional: optional parts
2055  */
2056 struct ieee80211_eht_cap_elem {
2057         struct ieee80211_eht_cap_elem_fixed fixed;
2058
2059         /*
2060          * Followed by:
2061          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2062          * EHT PPE Thresholds field: variable length.
2063          */
2064         u8 optional[];
2065 } __packed;
2066
2067 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x1
2068 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x2
2069
2070 /**
2071  * struct ieee80211_eht_operation - eht operation element
2072  *
2073  * This structure is the "EHT Operation Element" fields as
2074  * described in P802.11be_D1.5 section 9.4.2.311
2075  *
2076  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2077  * @optional: optional parts
2078  */
2079 struct ieee80211_eht_operation {
2080         u8 params;
2081         u8 optional[];
2082 } __packed;
2083
2084 /**
2085  * struct ieee80211_eht_operation_info - eht operation information
2086  *
2087  * @control: EHT operation information control.
2088  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2089  *     EHT BSS.
2090  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2091  * @optional: optional parts
2092  */
2093 struct ieee80211_eht_operation_info {
2094         u8 control;
2095         u8 ccfs0;
2096         u8 ccfs1;
2097         u8 optional[];
2098 } __packed;
2099
2100 /* 802.11ac VHT Capabilities */
2101 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2102 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2103 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2104 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2105 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2106 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2107 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2108 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2109 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2110 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2111 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2112 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2113 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2114 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2115 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2116 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2117 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2118 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2119 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2120 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2121 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2122 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2123                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2124 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2125 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2126                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2127 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2128 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2129 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2130 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2131 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2132 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2133                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2134 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2135 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2136 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2137 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2138 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2139 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2140
2141 /**
2142  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2143  * @cap: VHT capabilities of the peer
2144  * @bw: bandwidth to use
2145  * @mcs: MCS index to use
2146  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2147  *      (rate scaling algorithm) can deal with the new logic
2148  *      (dot11VHTExtendedNSSBWCapable)
2149  * @max_vht_nss: current maximum NSS as advertised by the STA in
2150  *      operating mode notification, can be 0 in which case the
2151  *      capability data will be used to derive this (from MCS support)
2152  *
2153  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2154  * vary for a given BW/MCS. This function parses the data.
2155  *
2156  * Note: This function is exported by cfg80211.
2157  */
2158 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2159                               enum ieee80211_vht_chanwidth bw,
2160                               int mcs, bool ext_nss_bw_capable,
2161                               unsigned int max_vht_nss);
2162
2163 /**
2164  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2165  *
2166  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2167  * @IEEE80211_REG_LPI: Indoor Access Point
2168  * @IEEE80211_REG_SP: Standard power Access Point
2169  * @IEEE80211_REG_VLP: Very low power Access Point
2170  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2171  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2172  */
2173 enum ieee80211_ap_reg_power {
2174         IEEE80211_REG_UNSET_AP,
2175         IEEE80211_REG_LPI_AP,
2176         IEEE80211_REG_SP_AP,
2177         IEEE80211_REG_VLP_AP,
2178         IEEE80211_REG_AP_POWER_AFTER_LAST,
2179         IEEE80211_REG_AP_POWER_MAX =
2180                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2181 };
2182
2183 /**
2184  * enum ieee80211_client_reg_power - regulatory power for a client
2185  *
2186  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2187  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2188  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2189  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2190  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2191  */
2192 enum ieee80211_client_reg_power {
2193         IEEE80211_REG_UNSET_CLIENT,
2194         IEEE80211_REG_DEFAULT_CLIENT,
2195         IEEE80211_REG_SUBORDINATE_CLIENT,
2196         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2197         IEEE80211_REG_CLIENT_POWER_MAX =
2198                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2199 };
2200
2201 /* 802.11ax HE MAC capabilities */
2202 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2203 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2204 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2205 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2206 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2207 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2208 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2209 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2210 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2211 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2212 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2213 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2214 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2215 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2216 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2217 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2218 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2219
2220 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2221 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2222 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2223 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2224 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2225 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2226 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2227 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2228 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2229 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2230 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2231 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2232 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2233 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2234 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2235 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2236 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2237 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2238
2239 /* Link adaptation is split between byte HE_MAC_CAP1 and
2240  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2241  * in which case the following values apply:
2242  * 0 = No feedback.
2243  * 1 = reserved.
2244  * 2 = Unsolicited feedback.
2245  * 3 = both
2246  */
2247 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2248
2249 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2250 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2251 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2252 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2253 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2254 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2255 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2256 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2257
2258 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2259 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2260
2261 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2262  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2263  * same field in the HE capabilities.
2264  */
2265 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2266 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2267 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2268 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2269 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2270 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2271 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2272 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2273
2274 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2275 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2276 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2277 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2278 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2279 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2280 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2281 /* Multi TID agg TX is split between byte #4 and #5
2282  * The value is a combination of B39,B40,B41
2283  */
2284 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2285
2286 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2287 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2288 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2289 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2290 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2291 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2292 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2293 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2294
2295 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2296 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2297 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2298
2299 /* 802.11ax HE PHY capabilities */
2300 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2301 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2302 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2303 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2304 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2305
2306 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2307 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2308 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2309
2310 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2311 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2312 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2313 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2314 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2315 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2316 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2317 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2318 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2319 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2320
2321 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2322 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2323 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2324 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2325 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2326 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2327
2328 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2329  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2330  * case it indicates support for Tx.
2331  */
2332 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2333 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2334
2335 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2336 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2337 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2338 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2339 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2340 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2341 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2342 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2343 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2344 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2345 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2346 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2347 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2348 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2349 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2350 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2351
2352 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2353 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2354
2355 /* Minimal allowed value of Max STS under 80MHz is 3 */
2356 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2357 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2358 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2359 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2360 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2361 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2362
2363 /* Minimal allowed value of Max STS above 80MHz is 3 */
2364 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2365 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2366 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2367 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2368 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2369 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2370
2371 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2372 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2373 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2374 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2375 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2376 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2377 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2378 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2379 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2380
2381 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2382 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2388 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2389 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2390
2391 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2392 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2393
2394 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2395 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2396 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2397 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2398 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2399 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2400 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2401 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2402
2403 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2404 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2405 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2406 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2407 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2408 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2409 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2410 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2411 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2412 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2413 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2414 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2415 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2416
2417 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2418 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2419 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2420 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2421 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2422 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2423 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2424 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2425 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2426 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2427 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2428
2429 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2430 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2431 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2432 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2433 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2434 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2435 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2436 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2437 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2438 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2439 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2440 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2441
2442 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2443
2444 /* 802.11ax HE TX/RX MCS NSS Support  */
2445 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2446 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2447 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2448 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2449 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2450
2451 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2452 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2453         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2454         HIGHEST_MCS_SUPPORTED_MCS8,
2455         HIGHEST_MCS_SUPPORTED_MCS9,
2456         HIGHEST_MCS_SUPPORTED_MCS10,
2457         HIGHEST_MCS_SUPPORTED_MCS11,
2458 };
2459
2460 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2461 static inline u8
2462 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2463 {
2464         u8 count = 4;
2465
2466         if (he_cap->phy_cap_info[0] &
2467             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2468                 count += 4;
2469
2470         if (he_cap->phy_cap_info[0] &
2471             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2472                 count += 4;
2473
2474         return count;
2475 }
2476
2477 /* 802.11ax HE PPE Thresholds */
2478 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2479 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2480 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2481 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2482         (BIT(5) | BIT(6))
2483 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2484 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2485 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2486 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2487
2488 /*
2489  * Calculate 802.11ax HE capabilities IE PPE field size
2490  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2491  */
2492 static inline u8
2493 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2494 {
2495         u8 n;
2496
2497         if ((phy_cap_info[6] &
2498              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2499                 return 0;
2500
2501         n = hweight8(ppe_thres_hdr &
2502                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2503         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2504                    IEEE80211_PPE_THRES_NSS_POS));
2505
2506         /*
2507          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2508          * total size.
2509          */
2510         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2511         n = DIV_ROUND_UP(n, 8);
2512
2513         return n;
2514 }
2515
2516 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2517 {
2518         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2519         u8 needed = sizeof(*he_cap_ie_elem);
2520
2521         if (len < needed)
2522                 return false;
2523
2524         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2525         if (len < needed)
2526                 return false;
2527
2528         if (he_cap_ie_elem->phy_cap_info[6] &
2529                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2530                 if (len < needed + 1)
2531                         return false;
2532                 needed += ieee80211_he_ppe_size(data[needed],
2533                                                 he_cap_ie_elem->phy_cap_info);
2534         }
2535
2536         return len >= needed;
2537 }
2538
2539 /* HE Operation defines */
2540 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2541 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2542 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2543 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2544 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2545 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2546 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2547 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2548 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2549 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2550 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2551 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2552
2553 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2554 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2555
2556 /**
2557  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2558  * @primary: primary channel
2559  * @control: control flags
2560  * @ccfs0: channel center frequency segment 0
2561  * @ccfs1: channel center frequency segment 1
2562  * @minrate: minimum rate (in 1 Mbps units)
2563  */
2564 struct ieee80211_he_6ghz_oper {
2565         u8 primary;
2566 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2567 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2568 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2569 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2570 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2571 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2572 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2573         u8 control;
2574         u8 ccfs0;
2575         u8 ccfs1;
2576         u8 minrate;
2577 } __packed;
2578
2579 /*
2580  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2581  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2582  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2583  * Info subfield encoding in the United States".
2584  * So it it totally max 8 Transmit Power Envelope element.
2585  */
2586 #define IEEE80211_TPE_MAX_IE_COUNT      8
2587 /*
2588  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2589  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2590  */
2591 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2592
2593 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2594
2595 /* transmit power interpretation type of transmit power envelope element */
2596 enum ieee80211_tx_power_intrpt_type {
2597         IEEE80211_TPE_LOCAL_EIRP,
2598         IEEE80211_TPE_LOCAL_EIRP_PSD,
2599         IEEE80211_TPE_REG_CLIENT_EIRP,
2600         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2601 };
2602
2603 /**
2604  * struct ieee80211_tx_pwr_env
2605  *
2606  * This structure represents the "Transmit Power Envelope element"
2607  */
2608 struct ieee80211_tx_pwr_env {
2609         u8 tx_power_info;
2610         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2611 } __packed;
2612
2613 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2614 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2615 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2616
2617 /*
2618  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2619  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2620  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2621  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2622  *      validated this.
2623  * @return the actual size of the IE data (not including header), or 0 on error
2624  */
2625 static inline u8
2626 ieee80211_he_oper_size(const u8 *he_oper_ie)
2627 {
2628         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2629         u8 oper_len = sizeof(struct ieee80211_he_operation);
2630         u32 he_oper_params;
2631
2632         /* Make sure the input is not NULL */
2633         if (!he_oper_ie)
2634                 return 0;
2635
2636         /* Calc required length */
2637         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2638         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2639                 oper_len += 3;
2640         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2641                 oper_len++;
2642         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2643                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2644
2645         /* Add the first byte (extension ID) to the total length */
2646         oper_len++;
2647
2648         return oper_len;
2649 }
2650
2651 /**
2652  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2653  * @he_oper: HE operation element (must be pre-validated for size)
2654  *      but may be %NULL
2655  *
2656  * Return: a pointer to the 6 GHz operation field, or %NULL
2657  */
2658 static inline const struct ieee80211_he_6ghz_oper *
2659 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2660 {
2661         const u8 *ret = (const void *)&he_oper->optional;
2662         u32 he_oper_params;
2663
2664         if (!he_oper)
2665                 return NULL;
2666
2667         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2668
2669         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2670                 return NULL;
2671         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2672                 ret += 3;
2673         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2674                 ret++;
2675
2676         return (const void *)ret;
2677 }
2678
2679 /* HE Spatial Reuse defines */
2680 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2681 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2682 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2683 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2684 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2685
2686 /*
2687  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2688  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2689  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2690  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2691  *      this
2692  * @return the actual size of the IE data (not including header), or 0 on error
2693  */
2694 static inline u8
2695 ieee80211_he_spr_size(const u8 *he_spr_ie)
2696 {
2697         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2698         u8 spr_len = sizeof(struct ieee80211_he_spr);
2699         u8 he_spr_params;
2700
2701         /* Make sure the input is not NULL */
2702         if (!he_spr_ie)
2703                 return 0;
2704
2705         /* Calc required length */
2706         he_spr_params = he_spr->he_sr_control;
2707         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2708                 spr_len++;
2709         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2710                 spr_len += 18;
2711
2712         /* Add the first byte (extension ID) to the total length */
2713         spr_len++;
2714
2715         return spr_len;
2716 }
2717
2718 /* S1G Capabilities Information field */
2719 #define IEEE80211_S1G_CAPABILITY_LEN    15
2720
2721 #define S1G_CAP0_S1G_LONG       BIT(0)
2722 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2723 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2724 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2725 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2726 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2727 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2728
2729 #define S1G_SUPP_CH_WIDTH_2     0
2730 #define S1G_SUPP_CH_WIDTH_4     1
2731 #define S1G_SUPP_CH_WIDTH_8     2
2732 #define S1G_SUPP_CH_WIDTH_16    3
2733 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2734                                                     cap[0])) << 1)
2735
2736 #define S1G_CAP1_RX_LDPC        BIT(0)
2737 #define S1G_CAP1_TX_STBC        BIT(1)
2738 #define S1G_CAP1_RX_STBC        BIT(2)
2739 #define S1G_CAP1_SU_BFER        BIT(3)
2740 #define S1G_CAP1_SU_BFEE        BIT(4)
2741 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2742
2743 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2744 #define S1G_CAP2_MU_BFER                BIT(3)
2745 #define S1G_CAP2_MU_BFEE                BIT(4)
2746 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2747 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2748
2749 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2750 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2751 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2752 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2753 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2754
2755 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2756 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2757 #define S1G_CAP4_BAT            BIT(2)
2758 #define S1G_CAP4_TIME_ADE       BIT(3)
2759 #define S1G_CAP4_NON_TIM        BIT(4)
2760 #define S1G_CAP4_GROUP_AID      BIT(5)
2761 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2762
2763 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2764 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2765 #define S1G_CAP5_AMSDU                  BIT(2)
2766 #define S1G_CAP5_AMPDU                  BIT(3)
2767 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2768 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2769 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2770
2771 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2772 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2773 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2774 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2775 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2776 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2777 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2778
2779 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2780 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2781 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2782 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2783 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2784 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2785 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2786 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2787
2788 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2789 #define S1G_CAP8_BDT            BIT(1)
2790 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2791 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2792 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2793 #define S1G_CAP8_PV1_FRAME      BIT(7)
2794
2795 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2796
2797 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2798 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2799
2800 /* EHT MAC capabilities as defined in P802.11be_D1.4 section 9.4.2.313.2 */
2801 #define IEEE80211_EHT_MAC_CAP0_NSEP_PRIO_ACCESS                 0x01
2802 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2803 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2804 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2805 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2806 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2807 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2808 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2809 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2810 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2811
2812 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2813
2814 /* EHT PHY capabilities as defined in P802.11be_D1.4 section 9.4.2.313.3 */
2815 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2816 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2817 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2818 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2819 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2820 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2821
2822 /* EHT beamformee number of spatial streams <= 80MHz is split */
2823 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2824 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2825
2826 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2827 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2828
2829 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2830 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2831
2832 /* EHT number of sounding dimensions for 320MHz is split */
2833 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2834 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2835 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2836 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2837 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2838 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2839 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2840 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2841 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2842
2843 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2844 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2845 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2846 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2847 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2848
2849 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2850 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2851 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2852 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2853 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2854 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2855 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2856 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2857 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2858
2859 /* Maximum number of supported EHT LTF is split */
2860 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2861 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2862
2863 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2864 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2865
2866 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2867 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2868 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2869 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2870 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2871 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2872 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2873 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2874
2875 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2876 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2877
2878 /*
2879  * EHT operation channel width as defined in P802.11be_D1.4 section 9.4.2.311
2880  */
2881 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2882 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2883 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2884 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2885 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2886 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2887
2888 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2889 static inline u8
2890 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2891                            const struct ieee80211_eht_cap_elem_fixed *eht_cap)
2892 {
2893         u8 count = 0;
2894
2895         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2896         if (he_cap->phy_cap_info[0] &
2897             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2898                 return 3;
2899
2900         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2901         if (he_cap->phy_cap_info[0] &
2902             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2903                 count += 3;
2904
2905         if (he_cap->phy_cap_info[0] &
2906             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2907                 count += 3;
2908
2909         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2910                 count += 3;
2911
2912         return count ? count : 4;
2913 }
2914
2915 /* 802.11be EHT PPE Thresholds */
2916 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2917 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2918 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2919 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2920 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2921
2922 /*
2923  * Calculate 802.11be EHT capabilities IE EHT field size
2924  */
2925 static inline u8
2926 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2927 {
2928         u32 n;
2929
2930         if (!(phy_cap_info[5] &
2931               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2932                 return 0;
2933
2934         n = hweight16(ppe_thres_hdr &
2935                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2936         n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
2937
2938         /*
2939          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2940          * total size.
2941          */
2942         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2943             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2944         return DIV_ROUND_UP(n, 8);
2945 }
2946
2947 static inline bool
2948 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len)
2949 {
2950         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2951         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2952
2953         if (len < needed || !he_capa)
2954                 return false;
2955
2956         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2957                                              (const void *)data);
2958         if (len < needed)
2959                 return false;
2960
2961         if (elem->phy_cap_info[5] &
2962                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2963                 u16 ppe_thres_hdr;
2964
2965                 if (len < needed + sizeof(ppe_thres_hdr))
2966                         return false;
2967
2968                 ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
2969                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2970                                                  elem->phy_cap_info);
2971         }
2972
2973         return len >= needed;
2974 }
2975
2976 static inline bool
2977 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2978 {
2979         const struct ieee80211_eht_operation *elem = (const void *)data;
2980         u8 needed = sizeof(*elem);
2981
2982         if (len < needed)
2983                 return false;
2984
2985         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
2986                 needed += 3;
2987
2988                 if (elem->params &
2989                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
2990                         needed += 2;
2991         }
2992
2993         return len >= needed;
2994 }
2995
2996 #define LISTEN_INT_USF  GENMASK(15, 14)
2997 #define LISTEN_INT_UI   GENMASK(13, 0)
2998
2999 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3000 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3001
3002 /* Authentication algorithms */
3003 #define WLAN_AUTH_OPEN 0
3004 #define WLAN_AUTH_SHARED_KEY 1
3005 #define WLAN_AUTH_FT 2
3006 #define WLAN_AUTH_SAE 3
3007 #define WLAN_AUTH_FILS_SK 4
3008 #define WLAN_AUTH_FILS_SK_PFS 5
3009 #define WLAN_AUTH_FILS_PK 6
3010 #define WLAN_AUTH_LEAP 128
3011
3012 #define WLAN_AUTH_CHALLENGE_LEN 128
3013
3014 #define WLAN_CAPABILITY_ESS             (1<<0)
3015 #define WLAN_CAPABILITY_IBSS            (1<<1)
3016
3017 /*
3018  * A mesh STA sets the ESS and IBSS capability bits to zero.
3019  * however, this holds true for p2p probe responses (in the p2p_find
3020  * phase) as well.
3021  */
3022 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3023         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3024
3025 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3026 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3027 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3028 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3029 #define WLAN_CAPABILITY_PBCC            (1<<6)
3030 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3031
3032 /* 802.11h */
3033 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3034 #define WLAN_CAPABILITY_QOS             (1<<9)
3035 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3036 #define WLAN_CAPABILITY_APSD            (1<<11)
3037 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3038 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3039 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3040 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3041
3042 /* DMG (60gHz) 802.11ad */
3043 /* type - bits 0..1 */
3044 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3045 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3046 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3047 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3048
3049 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3050 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3051 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3052 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3053
3054 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3055 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3056
3057 /* measurement */
3058 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3059 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3060 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3061
3062 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3063 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3064 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3065 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3066 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3067
3068 /* 802.11g ERP information element */
3069 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3070 #define WLAN_ERP_USE_PROTECTION (1<<1)
3071 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3072
3073 /* WLAN_ERP_BARKER_PREAMBLE values */
3074 enum {
3075         WLAN_ERP_PREAMBLE_SHORT = 0,
3076         WLAN_ERP_PREAMBLE_LONG = 1,
3077 };
3078
3079 /* Band ID, 802.11ad #8.4.1.45 */
3080 enum {
3081         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3082         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3083         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3084         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3085         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3086         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3087 };
3088
3089 /* Status codes */
3090 enum ieee80211_statuscode {
3091         WLAN_STATUS_SUCCESS = 0,
3092         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3093         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3094         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3095         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3096         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3097         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3098         WLAN_STATUS_CHALLENGE_FAIL = 15,
3099         WLAN_STATUS_AUTH_TIMEOUT = 16,
3100         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3101         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3102         /* 802.11b */
3103         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3104         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3105         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3106         /* 802.11h */
3107         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3108         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3109         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3110         /* 802.11g */
3111         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3112         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3113         /* 802.11w */
3114         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3115         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3116         /* 802.11i */
3117         WLAN_STATUS_INVALID_IE = 40,
3118         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3119         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3120         WLAN_STATUS_INVALID_AKMP = 43,
3121         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3122         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3123         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3124         /* 802.11e */
3125         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3126         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3127         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3128         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3129         WLAN_STATUS_REQUEST_DECLINED = 37,
3130         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3131         WLAN_STATUS_CHANGE_TSPEC = 39,
3132         WLAN_STATUS_WAIT_TS_DELAY = 47,
3133         WLAN_STATUS_NO_DIRECT_LINK = 48,
3134         WLAN_STATUS_STA_NOT_PRESENT = 49,
3135         WLAN_STATUS_STA_NOT_QSTA = 50,
3136         /* 802.11s */
3137         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3138         WLAN_STATUS_FCG_NOT_SUPP = 78,
3139         WLAN_STATUS_STA_NO_TBTT = 78,
3140         /* 802.11ad */
3141         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3142         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3143         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3144         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3145         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3146         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3147         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3148         WLAN_STATUS_REJECT_DSE_BAND = 96,
3149         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3150         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3151         /* 802.11ai */
3152         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3153         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3154         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3155         WLAN_STATUS_SAE_PK = 127,
3156 };
3157
3158
3159 /* Reason codes */
3160 enum ieee80211_reasoncode {
3161         WLAN_REASON_UNSPECIFIED = 1,
3162         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3163         WLAN_REASON_DEAUTH_LEAVING = 3,
3164         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3165         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3166         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3167         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3168         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3169         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3170         /* 802.11h */
3171         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3172         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3173         /* 802.11i */
3174         WLAN_REASON_INVALID_IE = 13,
3175         WLAN_REASON_MIC_FAILURE = 14,
3176         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3177         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3178         WLAN_REASON_IE_DIFFERENT = 17,
3179         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3180         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3181         WLAN_REASON_INVALID_AKMP = 20,
3182         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3183         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3184         WLAN_REASON_IEEE8021X_FAILED = 23,
3185         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3186         /* TDLS (802.11z) */
3187         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3188         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3189         /* 802.11e */
3190         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3191         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3192         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3193         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3194         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3195         WLAN_REASON_QSTA_NOT_USE = 37,
3196         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3197         WLAN_REASON_QSTA_TIMEOUT = 39,
3198         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3199         /* 802.11s */
3200         WLAN_REASON_MESH_PEER_CANCELED = 52,
3201         WLAN_REASON_MESH_MAX_PEERS = 53,
3202         WLAN_REASON_MESH_CONFIG = 54,
3203         WLAN_REASON_MESH_CLOSE = 55,
3204         WLAN_REASON_MESH_MAX_RETRIES = 56,
3205         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3206         WLAN_REASON_MESH_INVALID_GTK = 58,
3207         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3208         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3209         WLAN_REASON_MESH_PATH_ERROR = 61,
3210         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3211         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3212         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3213         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3214         WLAN_REASON_MESH_CHAN = 66,
3215 };
3216
3217
3218 /* Information Element IDs */
3219 enum ieee80211_eid {
3220         WLAN_EID_SSID = 0,
3221         WLAN_EID_SUPP_RATES = 1,
3222         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3223         WLAN_EID_DS_PARAMS = 3,
3224         WLAN_EID_CF_PARAMS = 4,
3225         WLAN_EID_TIM = 5,
3226         WLAN_EID_IBSS_PARAMS = 6,
3227         WLAN_EID_COUNTRY = 7,
3228         /* 8, 9 reserved */
3229         WLAN_EID_REQUEST = 10,
3230         WLAN_EID_QBSS_LOAD = 11,
3231         WLAN_EID_EDCA_PARAM_SET = 12,
3232         WLAN_EID_TSPEC = 13,
3233         WLAN_EID_TCLAS = 14,
3234         WLAN_EID_SCHEDULE = 15,
3235         WLAN_EID_CHALLENGE = 16,
3236         /* 17-31 reserved for challenge text extension */
3237         WLAN_EID_PWR_CONSTRAINT = 32,
3238         WLAN_EID_PWR_CAPABILITY = 33,
3239         WLAN_EID_TPC_REQUEST = 34,
3240         WLAN_EID_TPC_REPORT = 35,
3241         WLAN_EID_SUPPORTED_CHANNELS = 36,
3242         WLAN_EID_CHANNEL_SWITCH = 37,
3243         WLAN_EID_MEASURE_REQUEST = 38,
3244         WLAN_EID_MEASURE_REPORT = 39,
3245         WLAN_EID_QUIET = 40,
3246         WLAN_EID_IBSS_DFS = 41,
3247         WLAN_EID_ERP_INFO = 42,
3248         WLAN_EID_TS_DELAY = 43,
3249         WLAN_EID_TCLAS_PROCESSING = 44,
3250         WLAN_EID_HT_CAPABILITY = 45,
3251         WLAN_EID_QOS_CAPA = 46,
3252         /* 47 reserved for Broadcom */
3253         WLAN_EID_RSN = 48,
3254         WLAN_EID_802_15_COEX = 49,
3255         WLAN_EID_EXT_SUPP_RATES = 50,
3256         WLAN_EID_AP_CHAN_REPORT = 51,
3257         WLAN_EID_NEIGHBOR_REPORT = 52,
3258         WLAN_EID_RCPI = 53,
3259         WLAN_EID_MOBILITY_DOMAIN = 54,
3260         WLAN_EID_FAST_BSS_TRANSITION = 55,
3261         WLAN_EID_TIMEOUT_INTERVAL = 56,
3262         WLAN_EID_RIC_DATA = 57,
3263         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3264         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3265         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3266         WLAN_EID_HT_OPERATION = 61,
3267         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3268         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3269         WLAN_EID_ANTENNA_INFO = 64,
3270         WLAN_EID_RSNI = 65,
3271         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3272         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3273         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3274         WLAN_EID_TIME_ADVERTISEMENT = 69,
3275         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3276         WLAN_EID_MULTIPLE_BSSID = 71,
3277         WLAN_EID_BSS_COEX_2040 = 72,
3278         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3279         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3280         WLAN_EID_RIC_DESCRIPTOR = 75,
3281         WLAN_EID_MMIE = 76,
3282         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3283         WLAN_EID_EVENT_REQUEST = 78,
3284         WLAN_EID_EVENT_REPORT = 79,
3285         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3286         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3287         WLAN_EID_LOCATION_PARAMS = 82,
3288         WLAN_EID_NON_TX_BSSID_CAP =  83,
3289         WLAN_EID_SSID_LIST = 84,
3290         WLAN_EID_MULTI_BSSID_IDX = 85,
3291         WLAN_EID_FMS_DESCRIPTOR = 86,
3292         WLAN_EID_FMS_REQUEST = 87,
3293         WLAN_EID_FMS_RESPONSE = 88,
3294         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3295         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3296         WLAN_EID_TSF_REQUEST = 91,
3297         WLAN_EID_TSF_RESPOSNE = 92,
3298         WLAN_EID_WNM_SLEEP_MODE = 93,
3299         WLAN_EID_TIM_BCAST_REQ = 94,
3300         WLAN_EID_TIM_BCAST_RESP = 95,
3301         WLAN_EID_COLL_IF_REPORT = 96,
3302         WLAN_EID_CHANNEL_USAGE = 97,
3303         WLAN_EID_TIME_ZONE = 98,
3304         WLAN_EID_DMS_REQUEST = 99,
3305         WLAN_EID_DMS_RESPONSE = 100,
3306         WLAN_EID_LINK_ID = 101,
3307         WLAN_EID_WAKEUP_SCHEDUL = 102,
3308         /* 103 reserved */
3309         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3310         WLAN_EID_PTI_CONTROL = 105,
3311         WLAN_EID_PU_BUFFER_STATUS = 106,
3312         WLAN_EID_INTERWORKING = 107,
3313         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3314         WLAN_EID_EXPEDITED_BW_REQ = 109,
3315         WLAN_EID_QOS_MAP_SET = 110,
3316         WLAN_EID_ROAMING_CONSORTIUM = 111,
3317         WLAN_EID_EMERGENCY_ALERT = 112,
3318         WLAN_EID_MESH_CONFIG = 113,
3319         WLAN_EID_MESH_ID = 114,
3320         WLAN_EID_LINK_METRIC_REPORT = 115,
3321         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3322         WLAN_EID_PEER_MGMT = 117,
3323         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3324         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3325         WLAN_EID_BEACON_TIMING = 120,
3326         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3327         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3328         WLAN_EID_MCCAOP_ADVERT = 123,
3329         WLAN_EID_MCCAOP_TEARDOWN = 124,
3330         WLAN_EID_GANN = 125,
3331         WLAN_EID_RANN = 126,
3332         WLAN_EID_EXT_CAPABILITY = 127,
3333         /* 128, 129 reserved for Agere */
3334         WLAN_EID_PREQ = 130,
3335         WLAN_EID_PREP = 131,
3336         WLAN_EID_PERR = 132,
3337         /* 133-136 reserved for Cisco */
3338         WLAN_EID_PXU = 137,
3339         WLAN_EID_PXUC = 138,
3340         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3341         WLAN_EID_MIC = 140,
3342         WLAN_EID_DESTINATION_URI = 141,
3343         WLAN_EID_UAPSD_COEX = 142,
3344         WLAN_EID_WAKEUP_SCHEDULE = 143,
3345         WLAN_EID_EXT_SCHEDULE = 144,
3346         WLAN_EID_STA_AVAILABILITY = 145,
3347         WLAN_EID_DMG_TSPEC = 146,
3348         WLAN_EID_DMG_AT = 147,
3349         WLAN_EID_DMG_CAP = 148,
3350         /* 149 reserved for Cisco */
3351         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3352         WLAN_EID_DMG_OPERATION = 151,
3353         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3354         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3355         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3356         /* 155-156 reserved for Cisco */
3357         WLAN_EID_AWAKE_WINDOW = 157,
3358         WLAN_EID_MULTI_BAND = 158,
3359         WLAN_EID_ADDBA_EXT = 159,
3360         WLAN_EID_NEXT_PCP_LIST = 160,
3361         WLAN_EID_PCP_HANDOVER = 161,
3362         WLAN_EID_DMG_LINK_MARGIN = 162,
3363         WLAN_EID_SWITCHING_STREAM = 163,
3364         WLAN_EID_SESSION_TRANSITION = 164,
3365         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3366         WLAN_EID_CLUSTER_REPORT = 166,
3367         WLAN_EID_RELAY_CAP = 167,
3368         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3369         WLAN_EID_BEAM_LINK_MAINT = 169,
3370         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3371         WLAN_EID_U_PID = 171,
3372         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3373         /* 173 reserved for Symbol */
3374         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3375         WLAN_EID_QUIET_PERIOD_REQ = 175,
3376         /* 176 reserved for Symbol */
3377         WLAN_EID_QUIET_PERIOD_RESP = 177,
3378         /* 178-179 reserved for Symbol */
3379         /* 180 reserved for ISO/IEC 20011 */
3380         WLAN_EID_EPAC_POLICY = 182,
3381         WLAN_EID_CLISTER_TIME_OFF = 183,
3382         WLAN_EID_INTER_AC_PRIO = 184,
3383         WLAN_EID_SCS_DESCRIPTOR = 185,
3384         WLAN_EID_QLOAD_REPORT = 186,
3385         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3386         WLAN_EID_HL_STREAM_ID = 188,
3387         WLAN_EID_GCR_GROUP_ADDR = 189,
3388         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3389         WLAN_EID_VHT_CAPABILITY = 191,
3390         WLAN_EID_VHT_OPERATION = 192,
3391         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3392         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3393         WLAN_EID_TX_POWER_ENVELOPE = 195,
3394         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3395         WLAN_EID_AID = 197,
3396         WLAN_EID_QUIET_CHANNEL = 198,
3397         WLAN_EID_OPMODE_NOTIF = 199,
3398
3399         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3400
3401         WLAN_EID_AID_REQUEST = 210,
3402         WLAN_EID_AID_RESPONSE = 211,
3403         WLAN_EID_S1G_BCN_COMPAT = 213,
3404         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3405         WLAN_EID_S1G_TWT = 216,
3406         WLAN_EID_S1G_CAPABILITIES = 217,
3407         WLAN_EID_VENDOR_SPECIFIC = 221,
3408         WLAN_EID_QOS_PARAMETER = 222,
3409         WLAN_EID_S1G_OPERATION = 232,
3410         WLAN_EID_CAG_NUMBER = 237,
3411         WLAN_EID_AP_CSN = 239,
3412         WLAN_EID_FILS_INDICATION = 240,
3413         WLAN_EID_DILS = 241,
3414         WLAN_EID_FRAGMENT = 242,
3415         WLAN_EID_RSNX = 244,
3416         WLAN_EID_EXTENSION = 255
3417 };
3418
3419 /* Element ID Extensions for Element ID 255 */
3420 enum ieee80211_eid_ext {
3421         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3422         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3423         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3424         WLAN_EID_EXT_FILS_SESSION = 4,
3425         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3426         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3427         WLAN_EID_EXT_KEY_DELIVERY = 7,
3428         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3429         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3430         WLAN_EID_EXT_FILS_NONCE = 13,
3431         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3432         WLAN_EID_EXT_HE_CAPABILITY = 35,
3433         WLAN_EID_EXT_HE_OPERATION = 36,
3434         WLAN_EID_EXT_UORA = 37,
3435         WLAN_EID_EXT_HE_MU_EDCA = 38,
3436         WLAN_EID_EXT_HE_SPR = 39,
3437         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3438         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3439         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3440         WLAN_EID_EXT_ESS_REPORT = 45,
3441         WLAN_EID_EXT_OPS = 46,
3442         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3443         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3444         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3445         WLAN_EID_EXT_NON_INHERITANCE = 56,
3446         WLAN_EID_EXT_KNOWN_BSSID = 57,
3447         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3448         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3449         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3450         WLAN_EID_EXT_EHT_OPERATION = 106,
3451         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3452         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3453 };
3454
3455 /* Action category code */
3456 enum ieee80211_category {
3457         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3458         WLAN_CATEGORY_QOS = 1,
3459         WLAN_CATEGORY_DLS = 2,
3460         WLAN_CATEGORY_BACK = 3,
3461         WLAN_CATEGORY_PUBLIC = 4,
3462         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3463         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3464         WLAN_CATEGORY_HT = 7,
3465         WLAN_CATEGORY_SA_QUERY = 8,
3466         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3467         WLAN_CATEGORY_WNM = 10,
3468         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3469         WLAN_CATEGORY_TDLS = 12,
3470         WLAN_CATEGORY_MESH_ACTION = 13,
3471         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3472         WLAN_CATEGORY_SELF_PROTECTED = 15,
3473         WLAN_CATEGORY_DMG = 16,
3474         WLAN_CATEGORY_WMM = 17,
3475         WLAN_CATEGORY_FST = 18,
3476         WLAN_CATEGORY_UNPROT_DMG = 20,
3477         WLAN_CATEGORY_VHT = 21,
3478         WLAN_CATEGORY_S1G = 22,
3479         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3480         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3481 };
3482
3483 /* SPECTRUM_MGMT action code */
3484 enum ieee80211_spectrum_mgmt_actioncode {
3485         WLAN_ACTION_SPCT_MSR_REQ = 0,
3486         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3487         WLAN_ACTION_SPCT_TPC_REQ = 2,
3488         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3489         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3490 };
3491
3492 /* HT action codes */
3493 enum ieee80211_ht_actioncode {
3494         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3495         WLAN_HT_ACTION_SMPS = 1,
3496         WLAN_HT_ACTION_PSMP = 2,
3497         WLAN_HT_ACTION_PCO_PHASE = 3,
3498         WLAN_HT_ACTION_CSI = 4,
3499         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3500         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3501         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3502 };
3503
3504 /* VHT action codes */
3505 enum ieee80211_vht_actioncode {
3506         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3507         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3508         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3509 };
3510
3511 /* Self Protected Action codes */
3512 enum ieee80211_self_protected_actioncode {
3513         WLAN_SP_RESERVED = 0,
3514         WLAN_SP_MESH_PEERING_OPEN = 1,
3515         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3516         WLAN_SP_MESH_PEERING_CLOSE = 3,
3517         WLAN_SP_MGK_INFORM = 4,
3518         WLAN_SP_MGK_ACK = 5,
3519 };
3520
3521 /* Mesh action codes */
3522 enum ieee80211_mesh_actioncode {
3523         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3524         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3525         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3526         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3527         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3528         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3529         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3530         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3531         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3532         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3533         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3534 };
3535
3536 /* Security key length */
3537 enum ieee80211_key_len {
3538         WLAN_KEY_LEN_WEP40 = 5,
3539         WLAN_KEY_LEN_WEP104 = 13,
3540         WLAN_KEY_LEN_CCMP = 16,
3541         WLAN_KEY_LEN_CCMP_256 = 32,
3542         WLAN_KEY_LEN_TKIP = 32,
3543         WLAN_KEY_LEN_AES_CMAC = 16,
3544         WLAN_KEY_LEN_SMS4 = 32,
3545         WLAN_KEY_LEN_GCMP = 16,
3546         WLAN_KEY_LEN_GCMP_256 = 32,
3547         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3548         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3549         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3550 };
3551
3552 enum ieee80211_s1g_actioncode {
3553         WLAN_S1G_AID_SWITCH_REQUEST,
3554         WLAN_S1G_AID_SWITCH_RESPONSE,
3555         WLAN_S1G_SYNC_CONTROL,
3556         WLAN_S1G_STA_INFO_ANNOUNCE,
3557         WLAN_S1G_EDCA_PARAM_SET,
3558         WLAN_S1G_EL_OPERATION,
3559         WLAN_S1G_TWT_SETUP,
3560         WLAN_S1G_TWT_TEARDOWN,
3561         WLAN_S1G_SECT_GROUP_ID_LIST,
3562         WLAN_S1G_SECT_ID_FEEDBACK,
3563         WLAN_S1G_TWT_INFORMATION = 11,
3564 };
3565
3566 #define IEEE80211_WEP_IV_LEN            4
3567 #define IEEE80211_WEP_ICV_LEN           4
3568 #define IEEE80211_CCMP_HDR_LEN          8
3569 #define IEEE80211_CCMP_MIC_LEN          8
3570 #define IEEE80211_CCMP_PN_LEN           6
3571 #define IEEE80211_CCMP_256_HDR_LEN      8
3572 #define IEEE80211_CCMP_256_MIC_LEN      16
3573 #define IEEE80211_CCMP_256_PN_LEN       6
3574 #define IEEE80211_TKIP_IV_LEN           8
3575 #define IEEE80211_TKIP_ICV_LEN          4
3576 #define IEEE80211_CMAC_PN_LEN           6
3577 #define IEEE80211_GMAC_PN_LEN           6
3578 #define IEEE80211_GCMP_HDR_LEN          8
3579 #define IEEE80211_GCMP_MIC_LEN          16
3580 #define IEEE80211_GCMP_PN_LEN           6
3581
3582 #define FILS_NONCE_LEN                  16
3583 #define FILS_MAX_KEK_LEN                64
3584
3585 #define FILS_ERP_MAX_USERNAME_LEN       16
3586 #define FILS_ERP_MAX_REALM_LEN          253
3587 #define FILS_ERP_MAX_RRK_LEN            64
3588
3589 #define PMK_MAX_LEN                     64
3590 #define SAE_PASSWORD_MAX_LEN            128
3591
3592 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3593 enum ieee80211_pub_actioncode {
3594         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3595         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3596         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3597         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3598         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3599         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3600         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3601         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3602         WLAN_PUB_ACTION_DSE_PC = 8,
3603         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3604         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3605         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3606         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3607         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3608         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3609         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3610         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3611         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3612         WLAN_PUB_ACTION_QMF_POLICY = 18,
3613         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3614         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3615         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3616         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3617         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3618         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3619         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3620         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3621         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3622         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3623         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3624         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3625         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3626         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3627         WLAN_PUB_ACTION_FTM = 33,
3628         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3629 };
3630
3631 /* TDLS action codes */
3632 enum ieee80211_tdls_actioncode {
3633         WLAN_TDLS_SETUP_REQUEST = 0,
3634         WLAN_TDLS_SETUP_RESPONSE = 1,
3635         WLAN_TDLS_SETUP_CONFIRM = 2,
3636         WLAN_TDLS_TEARDOWN = 3,
3637         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3638         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3639         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3640         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3641         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3642         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3643         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3644 };
3645
3646 /* Extended Channel Switching capability to be set in the 1st byte of
3647  * the @WLAN_EID_EXT_CAPABILITY information element
3648  */
3649 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3650
3651 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3652  * @WLAN_EID_EXT_CAPABILITY information element
3653  */
3654 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3655
3656 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3657  * of the @WLAN_EID_EXT_CAPABILITY information element
3658  */
3659 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3660
3661 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3662 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3663 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3664 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3665
3666 /* Interworking capabilities are set in 7th bit of 4th byte of the
3667  * @WLAN_EID_EXT_CAPABILITY information element
3668  */
3669 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3670
3671 /*
3672  * TDLS capabililites to be enabled in the 5th byte of the
3673  * @WLAN_EID_EXT_CAPABILITY information element
3674  */
3675 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3676 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3677 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3678
3679 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3680 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3681
3682 /* Defines the maximal number of MSDUs in an A-MSDU. */
3683 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3684 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3685
3686 /*
3687  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3688  * information element
3689  */
3690 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3691
3692 /* Defines support for TWT Requester and TWT Responder */
3693 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3694 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3695
3696 /*
3697  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3698  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3699  * 26-tone RU UL OFDMA transmissions as radar pulses).
3700  */
3701 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3702
3703 /* Defines support for enhanced multi-bssid advertisement*/
3704 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3705
3706 /* TDLS specific payload type in the LLC/SNAP header */
3707 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3708
3709 /* BSS Coex IE information field bits */
3710 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3711
3712 /**
3713  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3714  *
3715  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3716  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3717  *      that will be specified in a vendor specific information element
3718  */
3719 enum ieee80211_mesh_sync_method {
3720         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3721         IEEE80211_SYNC_METHOD_VENDOR = 255,
3722 };
3723
3724 /**
3725  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3726  *
3727  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3728  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3729  *      be specified in a vendor specific information element
3730  */
3731 enum ieee80211_mesh_path_protocol {
3732         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3733         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3734 };
3735
3736 /**
3737  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3738  *
3739  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3740  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3741  *      specified in a vendor specific information element
3742  */
3743 enum ieee80211_mesh_path_metric {
3744         IEEE80211_PATH_METRIC_AIRTIME = 1,
3745         IEEE80211_PATH_METRIC_VENDOR = 255,
3746 };
3747
3748 /**
3749  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3750  *
3751  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3752  *
3753  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3754  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3755  *      this value
3756  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3757  *      the proactive PREQ with proactive PREP subfield set to 0
3758  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3759  *      supports the proactive PREQ with proactive PREP subfield set to 1
3760  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3761  *      the proactive RANN
3762  */
3763 enum ieee80211_root_mode_identifier {
3764         IEEE80211_ROOTMODE_NO_ROOT = 0,
3765         IEEE80211_ROOTMODE_ROOT = 1,
3766         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3767         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3768         IEEE80211_PROACTIVE_RANN = 4,
3769 };
3770
3771 /*
3772  * IEEE 802.11-2007 7.3.2.9 Country information element
3773  *
3774  * Minimum length is 8 octets, ie len must be evenly
3775  * divisible by 2
3776  */
3777
3778 /* Although the spec says 8 I'm seeing 6 in practice */
3779 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3780
3781 /* The Country String field of the element shall be 3 octets in length */
3782 #define IEEE80211_COUNTRY_STRING_LEN    3
3783
3784 /*
3785  * For regulatory extension stuff see IEEE 802.11-2007
3786  * Annex I (page 1141) and Annex J (page 1147). Also
3787  * review 7.3.2.9.
3788  *
3789  * When dot11RegulatoryClassesRequired is true and the
3790  * first_channel/reg_extension_id is >= 201 then the IE
3791  * compromises of the 'ext' struct represented below:
3792  *
3793  *  - Regulatory extension ID - when generating IE this just needs
3794  *    to be monotonically increasing for each triplet passed in
3795  *    the IE
3796  *  - Regulatory class - index into set of rules
3797  *  - Coverage class - index into air propagation time (Table 7-27),
3798  *    in microseconds, you can compute the air propagation time from
3799  *    the index by multiplying by 3, so index 10 yields a propagation
3800  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3801  *    yet. A value of 0 inicates air propagation of <= 1 us.
3802  *
3803  *  See also Table I.2 for Emission limit sets and table
3804  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3805  *  a reg_class to an emission limit set and behavior limit set.
3806  */
3807 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3808
3809 /*
3810  *  Channels numbers in the IE must be monotonically increasing
3811  *  if dot11RegulatoryClassesRequired is not true.
3812  *
3813  *  If dot11RegulatoryClassesRequired is true consecutive
3814  *  subband triplets following a regulatory triplet shall
3815  *  have monotonically increasing first_channel number fields.
3816  *
3817  *  Channel numbers shall not overlap.
3818  *
3819  *  Note that max_power is signed.
3820  */
3821 struct ieee80211_country_ie_triplet {
3822         union {
3823                 struct {
3824                         u8 first_channel;
3825                         u8 num_channels;
3826                         s8 max_power;
3827                 } __packed chans;
3828                 struct {
3829                         u8 reg_extension_id;
3830                         u8 reg_class;
3831                         u8 coverage_class;
3832                 } __packed ext;
3833         };
3834 } __packed;
3835
3836 enum ieee80211_timeout_interval_type {
3837         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3838         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3839         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3840 };
3841
3842 /**
3843  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3844  * @type: type, see &enum ieee80211_timeout_interval_type
3845  * @value: timeout interval value
3846  */
3847 struct ieee80211_timeout_interval_ie {
3848         u8 type;
3849         __le32 value;
3850 } __packed;
3851
3852 /**
3853  * enum ieee80211_idle_options - BSS idle options
3854  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3855  *      protected frame to the AP to reset the idle timer at the AP for
3856  *      the station.
3857  */
3858 enum ieee80211_idle_options {
3859         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3860 };
3861
3862 /**
3863  * struct ieee80211_bss_max_idle_period_ie
3864  *
3865  * This structure refers to "BSS Max idle period element"
3866  *
3867  * @max_idle_period: indicates the time period during which a station can
3868  *      refrain from transmitting frames to its associated AP without being
3869  *      disassociated. In units of 1000 TUs.
3870  * @idle_options: indicates the options associated with the BSS idle capability
3871  *      as specified in &enum ieee80211_idle_options.
3872  */
3873 struct ieee80211_bss_max_idle_period_ie {
3874         __le16 max_idle_period;
3875         u8 idle_options;
3876 } __packed;
3877
3878 /* BACK action code */
3879 enum ieee80211_back_actioncode {
3880         WLAN_ACTION_ADDBA_REQ = 0,
3881         WLAN_ACTION_ADDBA_RESP = 1,
3882         WLAN_ACTION_DELBA = 2,
3883 };
3884
3885 /* BACK (block-ack) parties */
3886 enum ieee80211_back_parties {
3887         WLAN_BACK_RECIPIENT = 0,
3888         WLAN_BACK_INITIATOR = 1,
3889 };
3890
3891 /* SA Query action */
3892 enum ieee80211_sa_query_action {
3893         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3894         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3895 };
3896
3897 /**
3898  * struct ieee80211_bssid_index
3899  *
3900  * This structure refers to "Multiple BSSID-index element"
3901  *
3902  * @bssid_index: BSSID index
3903  * @dtim_period: optional, overrides transmitted BSS dtim period
3904  * @dtim_count: optional, overrides transmitted BSS dtim count
3905  */
3906 struct ieee80211_bssid_index {
3907         u8 bssid_index;
3908         u8 dtim_period;
3909         u8 dtim_count;
3910 };
3911
3912 /**
3913  * struct ieee80211_multiple_bssid_configuration
3914  *
3915  * This structure refers to "Multiple BSSID Configuration element"
3916  *
3917  * @bssid_count: total number of active BSSIDs in the set
3918  * @profile_periodicity: the least number of beacon frames need to be received
3919  *      in order to discover all the nontransmitted BSSIDs in the set.
3920  */
3921 struct ieee80211_multiple_bssid_configuration {
3922         u8 bssid_count;
3923         u8 profile_periodicity;
3924 };
3925
3926 #define SUITE(oui, id) (((oui) << 8) | (id))
3927
3928 /* cipher suite selectors */
3929 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3930 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3931 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3932 /* reserved:                            SUITE(0x000FAC, 3) */
3933 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3934 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3935 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3936 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3937 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3938 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3939 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3940 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3941 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3942
3943 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3944
3945 /* AKM suite selectors */
3946 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3947 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3948 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3949 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3950 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3951 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3952 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3953 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3954 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3955 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3956 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3957 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3958 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3959 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3960 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3961 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3962 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3963 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3964 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3965 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3966
3967 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
3968
3969 #define WLAN_MAX_KEY_LEN                32
3970
3971 #define WLAN_PMK_NAME_LEN               16
3972 #define WLAN_PMKID_LEN                  16
3973 #define WLAN_PMK_LEN_EAP_LEAP           16
3974 #define WLAN_PMK_LEN                    32
3975 #define WLAN_PMK_LEN_SUITE_B_192        48
3976
3977 #define WLAN_OUI_WFA                    0x506f9a
3978 #define WLAN_OUI_TYPE_WFA_P2P           9
3979 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
3980 #define WLAN_OUI_MICROSOFT              0x0050f2
3981 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3982 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3983 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3984 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3985
3986 /*
3987  * WMM/802.11e Tspec Element
3988  */
3989 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3990 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3991
3992 enum ieee80211_tspec_status_code {
3993         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3994         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3995 };
3996
3997 struct ieee80211_tspec_ie {
3998         u8 element_id;
3999         u8 len;
4000         u8 oui[3];
4001         u8 oui_type;
4002         u8 oui_subtype;
4003         u8 version;
4004         __le16 tsinfo;
4005         u8 tsinfo_resvd;
4006         __le16 nominal_msdu;
4007         __le16 max_msdu;
4008         __le32 min_service_int;
4009         __le32 max_service_int;
4010         __le32 inactivity_int;
4011         __le32 suspension_int;
4012         __le32 service_start_time;
4013         __le32 min_data_rate;
4014         __le32 mean_data_rate;
4015         __le32 peak_data_rate;
4016         __le32 max_burst_size;
4017         __le32 delay_bound;
4018         __le32 min_phy_rate;
4019         __le16 sba;
4020         __le16 medium_time;
4021 } __packed;
4022
4023 struct ieee80211_he_6ghz_capa {
4024         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4025         __le16 capa;
4026 } __packed;
4027
4028 /* HE 6 GHz band capabilities */
4029 /* uses enum ieee80211_min_mpdu_spacing values */
4030 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4031 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4032 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4033 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4034 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4035 /* WLAN_HT_CAP_SM_PS_* values */
4036 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4037 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4038 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4039 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4040
4041 /**
4042  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4043  * @hdr: the frame
4044  *
4045  * The qos ctrl bytes come after the frame_control, duration, seq_num
4046  * and 3 or 4 addresses of length ETH_ALEN.
4047  * 3 addr: 2 + 2 + 2 + 3*6 = 24
4048  * 4 addr: 2 + 2 + 2 + 4*6 = 30
4049  */
4050 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4051 {
4052         if (ieee80211_has_a4(hdr->frame_control))
4053                 return (u8 *)hdr + 30;
4054         else
4055                 return (u8 *)hdr + 24;
4056 }
4057
4058 /**
4059  * ieee80211_get_tid - get qos TID
4060  * @hdr: the frame
4061  */
4062 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4063 {
4064         u8 *qc = ieee80211_get_qos_ctl(hdr);
4065
4066         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4067 }
4068
4069 /**
4070  * ieee80211_get_SA - get pointer to SA
4071  * @hdr: the frame
4072  *
4073  * Given an 802.11 frame, this function returns the offset
4074  * to the source address (SA). It does not verify that the
4075  * header is long enough to contain the address, and the
4076  * header must be long enough to contain the frame control
4077  * field.
4078  */
4079 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4080 {
4081         if (ieee80211_has_a4(hdr->frame_control))
4082                 return hdr->addr4;
4083         if (ieee80211_has_fromds(hdr->frame_control))
4084                 return hdr->addr3;
4085         return hdr->addr2;
4086 }
4087
4088 /**
4089  * ieee80211_get_DA - get pointer to DA
4090  * @hdr: the frame
4091  *
4092  * Given an 802.11 frame, this function returns the offset
4093  * to the destination address (DA). It does not verify that
4094  * the header is long enough to contain the address, and the
4095  * header must be long enough to contain the frame control
4096  * field.
4097  */
4098 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4099 {
4100         if (ieee80211_has_tods(hdr->frame_control))
4101                 return hdr->addr3;
4102         else
4103                 return hdr->addr1;
4104 }
4105
4106 /**
4107  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4108  * @hdr: the frame (buffer must include at least the first octet of payload)
4109  */
4110 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4111 {
4112         if (ieee80211_is_disassoc(hdr->frame_control) ||
4113             ieee80211_is_deauth(hdr->frame_control))
4114                 return true;
4115
4116         if (ieee80211_is_action(hdr->frame_control)) {
4117                 u8 *category;
4118
4119                 /*
4120                  * Action frames, excluding Public Action frames, are Robust
4121                  * Management Frames. However, if we are looking at a Protected
4122                  * frame, skip the check since the data may be encrypted and
4123                  * the frame has already been found to be a Robust Management
4124                  * Frame (by the other end).
4125                  */
4126                 if (ieee80211_has_protected(hdr->frame_control))
4127                         return true;
4128                 category = ((u8 *) hdr) + 24;
4129                 return *category != WLAN_CATEGORY_PUBLIC &&
4130                         *category != WLAN_CATEGORY_HT &&
4131                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4132                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4133                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4134                         *category != WLAN_CATEGORY_VHT &&
4135                         *category != WLAN_CATEGORY_S1G &&
4136                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4137         }
4138
4139         return false;
4140 }
4141
4142 /**
4143  * ieee80211_is_public_action - check if frame is a public action frame
4144  * @hdr: the frame
4145  * @len: length of the frame
4146  */
4147 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4148                                               size_t len)
4149 {
4150         struct ieee80211_mgmt *mgmt = (void *)hdr;
4151
4152         if (len < IEEE80211_MIN_ACTION_SIZE)
4153                 return false;
4154         if (!ieee80211_is_action(hdr->frame_control))
4155                 return false;
4156         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4157 }
4158
4159 static inline bool is_multicast_ether_addr(const u8 *a)
4160 {
4161         return 0x01 & a[0];
4162 }
4163
4164 /**
4165  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4166  * privacy action frame
4167  * @hdr: the frame
4168  */
4169 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4170 {
4171         struct ieee80211_mgmt *mgmt = (void *)hdr;
4172
4173         if (!ieee80211_is_action(hdr->frame_control) ||
4174             !is_multicast_ether_addr(hdr->addr1))
4175                 return false;
4176
4177         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4178                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4179 }
4180
4181 /**
4182  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4183  * @tu: the TUs
4184  */
4185 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4186 {
4187         return 1024 * tu;
4188 }
4189
4190 /**
4191  * ieee80211_check_tim - check if AID bit is set in TIM
4192  * @tim: the TIM IE
4193  * @tim_len: length of the TIM IE
4194  * @aid: the AID to look for
4195  */
4196 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4197                                        u8 tim_len, u16 aid)
4198 {
4199         u8 mask;
4200         u8 indexn0, indexn1, indexn2;
4201
4202         if (unlikely(!tim || tim_len < sizeof(*tim)))
4203                 return false;
4204
4205         aid &= 0x3fff;
4206         indexn0 = aid / 8;
4207         mask  = 1 << (aid & 7);
4208
4209         indexn1 = tim->bitmap_ctrl & 0xfe;
4210         indexn2 = tim_len + indexn1 - 4;
4211
4212         if (indexn0 < indexn1 || indexn0 > indexn2)
4213                 return false;
4214
4215         indexn0 -= indexn1;
4216
4217         return !!(tim->virtual_map[indexn0] & mask);
4218 }
4219
4220 /* convert time units */
4221 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
4222 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
4223
4224 struct element {
4225         u8 id;
4226         u8 datalen;
4227         u8 data[];
4228 } __packed;
4229
4230 /* element iteration helpers */
4231 #define for_each_element(_elem, _data, _datalen)                        \
4232         for (_elem = (const struct element *)(_data);                   \
4233              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4234                 (int)sizeof(*_elem) &&                                  \
4235              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4236                 (int)sizeof(*_elem) + _elem->datalen;                   \
4237              _elem = (const struct element *)(_elem->data + _elem->datalen))
4238
4239 #define for_each_element_id(element, _id, data, datalen)                \
4240         for_each_element(element, data, datalen)                        \
4241                 if (element->id == (_id))
4242
4243 #define for_each_element_extid(element, extid, _data, _datalen)         \
4244         for_each_element(element, _data, _datalen)                      \
4245                 if (element->id == WLAN_EID_EXTENSION &&                \
4246                     element->datalen > 0 &&                             \
4247                     element->data[0] == (extid))
4248
4249 #define for_each_subelement(sub, element)                               \
4250         for_each_element(sub, (element)->data, (element)->datalen)
4251
4252 #define for_each_subelement_id(sub, id, element)                        \
4253         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4254
4255 #define for_each_subelement_extid(sub, extid, element)                  \
4256         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4257
4258 /* convert frequencies */
4259 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4260 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4261 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4262 #define KHZ_F "%d.%03d"
4263
4264 /* convert powers */
4265 #define DBI_TO_MBI(gain) ((gain) * 100)
4266 #define MBI_TO_DBI(gain) ((gain) / 100)
4267 #define DBM_TO_MBM(gain) ((gain) * 100)
4268 #define MBM_TO_DBM(gain) ((gain) / 100)
4269
4270 /**
4271  * for_each_element_completed - determine if element parsing consumed all data
4272  * @element: element pointer after for_each_element() or friends
4273  * @data: same data pointer as passed to for_each_element() or friends
4274  * @datalen: same data length as passed to for_each_element() or friends
4275  *
4276  * This function returns %true if all the data was parsed or considered
4277  * while walking the elements. Only use this if your for_each_element()
4278  * loop cannot be broken out of, otherwise it always returns %false.
4279  *
4280  * If some data was malformed, this returns %false since the last parsed
4281  * element will not fill the whole remaining data.
4282  */
4283 static inline bool for_each_element_completed(const struct element *element,
4284                                               const void *data, size_t datalen)
4285 {
4286         return (const u8 *)element == (const u8 *)data + datalen;
4287 }
4288
4289 /**
4290  * RSNX Capabilities:
4291  * bits 0-3: Field length (n-1)
4292  */
4293 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4294 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4295
4296 /*
4297  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4298  * section 9.4.2.170 and accepted contributions.
4299  */
4300 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4301 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4302 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4303 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4304 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4305 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4306
4307 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4308 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4309 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4310 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4311 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4312 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4313 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4314
4315 struct ieee80211_neighbor_ap_info {
4316         u8 tbtt_info_hdr;
4317         u8 tbtt_info_len;
4318         u8 op_class;
4319         u8 channel;
4320 } __packed;
4321
4322 enum ieee80211_range_params_max_total_ltf {
4323         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4324         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4325         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4326         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4327 };
4328
4329 /* multi-link device */
4330 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4331
4332 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4333 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4334 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4335 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4336 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4337 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4338 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4339
4340 struct ieee80211_multi_link_elem {
4341         __le16 control;
4342         u8 variable[];
4343 } __packed;
4344
4345 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4346 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4347 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4348 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4349 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4350 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4351
4352 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4353 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4354 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4355
4356 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4357 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4358 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4359 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4360 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4361 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4362 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4363 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4364 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4365 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4366 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4367 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4368 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4369 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4370 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4371 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4372 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4373 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4374 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4375 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4376 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4377 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4378 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4379 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4380 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4381 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4382 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4383 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4384 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4385 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4386 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4387 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4388 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4389 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4390
4391 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4392 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4393 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4394 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4395 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4396
4397 struct ieee80211_mle_basic_common_info {
4398         u8 len;
4399         u8 mld_mac_addr[6];
4400         u8 variable[];
4401 } __packed;
4402
4403 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4404
4405 struct ieee80211_mle_preq_common_info {
4406         u8 len;
4407         u8 variable[];
4408 } __packed;
4409
4410 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4411
4412 /* no fixed fields in RECONF */
4413
4414 struct ieee80211_mle_tdls_common_info {
4415         u8 len;
4416         u8 ap_mld_mac_addr[6];
4417 } __packed;
4418
4419 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4420
4421 /* no fixed fields in PRIO_ACCESS */
4422
4423 /**
4424  * ieee80211_mle_common_size - check multi-link element common size
4425  * @data: multi-link element, must already be checked for size using
4426  *      ieee80211_mle_size_ok()
4427  */
4428 static inline u8 ieee80211_mle_common_size(const u8 *data)
4429 {
4430         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4431         u16 control = le16_to_cpu(mle->control);
4432         u8 common = 0;
4433
4434         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4435         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4436                 common += sizeof(struct ieee80211_mle_basic_common_info);
4437                 break;
4438         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4439                 common += sizeof(struct ieee80211_mle_preq_common_info);
4440                 break;
4441         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4442                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4443                         common += 6;
4444                 return common;
4445         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4446                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4447                 break;
4448         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4449                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4450                         common += 6;
4451                 return common;
4452         default:
4453                 return 0;
4454         }
4455
4456         return common + mle->variable[0];
4457 }
4458
4459 /**
4460  * ieee80211_mle_size_ok - validate multi-link element size
4461  * @data: pointer to the element data
4462  * @len: length of the containing element
4463  */
4464 static inline bool ieee80211_mle_size_ok(const u8 *data, u8 len)
4465 {
4466         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4467         u8 fixed = sizeof(*mle);
4468         u8 common = 0;
4469         bool check_common_len = false;
4470         u16 control;
4471
4472         if (len < fixed)
4473                 return false;
4474
4475         control = le16_to_cpu(mle->control);
4476
4477         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4478         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4479                 common += sizeof(struct ieee80211_mle_basic_common_info);
4480                 check_common_len = true;
4481                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4482                         common += 1;
4483                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4484                         common += 1;
4485                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4486                         common += 2;
4487                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4488                         common += 2;
4489                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4490                         common += 2;
4491                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4492                         common += 1;
4493                 break;
4494         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4495                 common += sizeof(struct ieee80211_mle_preq_common_info);
4496                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4497                         common += 1;
4498                 check_common_len = true;
4499                 break;
4500         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4501                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4502                         common += 6;
4503                 break;
4504         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4505                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4506                 check_common_len = true;
4507                 break;
4508         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4509                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4510                         common += 6;
4511                 break;
4512         default:
4513                 /* we don't know this type */
4514                 return true;
4515         }
4516
4517         if (len < fixed + common)
4518                 return false;
4519
4520         if (!check_common_len)
4521                 return true;
4522
4523         /* if present, common length is the first octet there */
4524         return mle->variable[0] >= common;
4525 }
4526
4527 enum ieee80211_mle_subelems {
4528         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4529 };
4530
4531 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4532 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4533 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4534 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4535 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4536 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4537 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4538 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4539 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4540
4541 struct ieee80211_mle_per_sta_profile {
4542         __le16 control;
4543         u8 sta_info_len;
4544         u8 variable[];
4545 } __packed;
4546
4547 #define for_each_mle_subelement(_elem, _data, _len)                     \
4548         if (ieee80211_mle_size_ok(_data, _len))                         \
4549                 for_each_element(_elem,                                 \
4550                                  _data + ieee80211_mle_common_size(_data),\
4551                                  _len - ieee80211_mle_common_size(_data))
4552
4553 #endif /* __LINUX_IEEE80211_H */