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 - 2023 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 /* Mesh Power Save Level */
 267 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 268 /* Mesh Receiver Service Period Initiated */
 269 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 270
 271 /* U-APSD queue for WMM IEs sent by AP */
 272 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 273 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 274
 275 /* U-APSD queues for WMM IEs sent by STA */
 276 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 277 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 278 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 279 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 280 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 281
 282 /* U-APSD max SP length for WMM IEs sent by STA */
 283 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 284 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 285 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 286 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 287 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 288 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 289
 290 #define IEEE80211_HT_CTL_LEN            4
 291
 292 /* trigger type within common_info of trigger frame */
 293 #define IEEE80211_TRIGGER_TYPE_MASK             0xf
 294 #define IEEE80211_TRIGGER_TYPE_BASIC            0x0
 295 #define IEEE80211_TRIGGER_TYPE_BFRP             0x1
 296 #define IEEE80211_TRIGGER_TYPE_MU_BAR           0x2
 297 #define IEEE80211_TRIGGER_TYPE_MU_RTS           0x3
 298 #define IEEE80211_TRIGGER_TYPE_BSRP             0x4
 299 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR       0x5
 300 #define IEEE80211_TRIGGER_TYPE_BQRP             0x6
 301 #define IEEE80211_TRIGGER_TYPE_NFRP             0x7
 302
 303 struct ieee80211_hdr {
 304         __le16 frame_control;
 305         __le16 duration_id;
 306         u8 addr1[6];
 307         u8 addr2[6];
 308         u8 addr3[6];
 309         __le16 seq_ctrl;
 310         u8 addr4[6];
 311 } __packed __aligned(2);
 312
 313 struct ieee80211_hdr_3addr {
 314         __le16 frame_control;
 315         __le16 duration_id;
 316         struct_group(addrs,
 317                 u8 addr1[6];
 318                 u8 addr2[6];
 319                 u8 addr3[6];
 320         );
 321         __le16 seq_ctrl;
 322 } __packed __aligned(2);
 323
 324 struct ieee80211_qos_hdr {
 325         __le16 frame_control;
 326         __le16 duration_id;
 327         u8 addr1[6];
 328         u8 addr2[6];
 329         u8 addr3[6];
 330         __le16 seq_ctrl;
 331         __le16 qos_ctrl;
 332 } __packed __aligned(2);
 333
 334 struct ieee80211_qos_hdr_4addr {
 335         __le16 frame_control;
 336         __le16 duration_id;
 337         u8 addr1[6];
 338         u8 addr2[6];
 339         u8 addr3[6];
 340         __le16 seq_ctrl;
 341         u8 addr4[6];
 342         __le16 qos_ctrl;
 343 } __packed __aligned(2);
 344
 345 struct ieee80211_trigger {
 346         __le16 frame_control;
 347         __le16 duration;
 348         u8 ra[6];
 349         u8 ta[6];
 350         __le64 common_info;
 351         u8 variable[];
 352 } __packed __aligned(2);
 353
 354 /**
 355  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 356  * @fc: frame control bytes in little-endian byteorder
 357  */
 358 static inline bool ieee80211_has_tods(__le16 fc)
 359 {
 360         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 361 }
 362
 363 /**
 364  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 365  * @fc: frame control bytes in little-endian byteorder
 366  */
 367 static inline bool ieee80211_has_fromds(__le16 fc)
 368 {
 369         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 370 }
 371
 372 /**
 373  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 374  * @fc: frame control bytes in little-endian byteorder
 375  */
 376 static inline bool ieee80211_has_a4(__le16 fc)
 377 {
 378         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 379         return (fc & tmp) == tmp;
 380 }
 381
 382 /**
 383  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 384  * @fc: frame control bytes in little-endian byteorder
 385  */
 386 static inline bool ieee80211_has_morefrags(__le16 fc)
 387 {
 388         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 389 }
 390
 391 /**
 392  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_has_retry(__le16 fc)
 396 {
 397         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 398 }
 399
 400 /**
 401  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 402  * @fc: frame control bytes in little-endian byteorder
 403  */
 404 static inline bool ieee80211_has_pm(__le16 fc)
 405 {
 406         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 407 }
 408
 409 /**
 410  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 411  * @fc: frame control bytes in little-endian byteorder
 412  */
 413 static inline bool ieee80211_has_moredata(__le16 fc)
 414 {
 415         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 416 }
 417
 418 /**
 419  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 420  * @fc: frame control bytes in little-endian byteorder
 421  */
 422 static inline bool ieee80211_has_protected(__le16 fc)
 423 {
 424         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 425 }
 426
 427 /**
 428  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 429  * @fc: frame control bytes in little-endian byteorder
 430  */
 431 static inline bool ieee80211_has_order(__le16 fc)
 432 {
 433         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 434 }
 435
 436 /**
 437  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 438  * @fc: frame control bytes in little-endian byteorder
 439  */
 440 static inline bool ieee80211_is_mgmt(__le16 fc)
 441 {
 442         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 443                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 444 }
 445
 446 /**
 447  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 448  * @fc: frame control bytes in little-endian byteorder
 449  */
 450 static inline bool ieee80211_is_ctl(__le16 fc)
 451 {
 452         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 453                cpu_to_le16(IEEE80211_FTYPE_CTL);
 454 }
 455
 456 /**
 457  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 458  * @fc: frame control bytes in little-endian byteorder
 459  */
 460 static inline bool ieee80211_is_data(__le16 fc)
 461 {
 462         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 463                cpu_to_le16(IEEE80211_FTYPE_DATA);
 464 }
 465
 466 /**
 467  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 468  * @fc: frame control bytes in little-endian byteorder
 469  */
 470 static inline bool ieee80211_is_ext(__le16 fc)
 471 {
 472         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 473                cpu_to_le16(IEEE80211_FTYPE_EXT);
 474 }
 475
 476
 477 /**
 478  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 479  * @fc: frame control bytes in little-endian byteorder
 480  */
 481 static inline bool ieee80211_is_data_qos(__le16 fc)
 482 {
 483         /*
 484          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 485          * to check the one bit
 486          */
 487         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 488                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 489 }
 490
 491 /**
 492  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 493  * @fc: frame control bytes in little-endian byteorder
 494  */
 495 static inline bool ieee80211_is_data_present(__le16 fc)
 496 {
 497         /*
 498          * mask with 0x40 and test that that bit is clear to only return true
 499          * for the data-containing substypes.
 500          */
 501         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 502                cpu_to_le16(IEEE80211_FTYPE_DATA);
 503 }
 504
 505 /**
 506  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 507  * @fc: frame control bytes in little-endian byteorder
 508  */
 509 static inline bool ieee80211_is_assoc_req(__le16 fc)
 510 {
 511         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 512                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 513 }
 514
 515 /**
 516  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 517  * @fc: frame control bytes in little-endian byteorder
 518  */
 519 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 520 {
 521         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 522                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 523 }
 524
 525 /**
 526  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 527  * @fc: frame control bytes in little-endian byteorder
 528  */
 529 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 530 {
 531         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 532                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 533 }
 534
 535 /**
 536  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 537  * @fc: frame control bytes in little-endian byteorder
 538  */
 539 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 540 {
 541         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 542                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 543 }
 544
 545 /**
 546  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 547  * @fc: frame control bytes in little-endian byteorder
 548  */
 549 static inline bool ieee80211_is_probe_req(__le16 fc)
 550 {
 551         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 552                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 553 }
 554
 555 /**
 556  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 557  * @fc: frame control bytes in little-endian byteorder
 558  */
 559 static inline bool ieee80211_is_probe_resp(__le16 fc)
 560 {
 561         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 562                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 563 }
 564
 565 /**
 566  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 567  * @fc: frame control bytes in little-endian byteorder
 568  */
 569 static inline bool ieee80211_is_beacon(__le16 fc)
 570 {
 571         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 572                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 573 }
 574
 575 /**
 576  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 577  * IEEE80211_STYPE_S1G_BEACON
 578  * @fc: frame control bytes in little-endian byteorder
 579  */
 580 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 581 {
 582         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 583                                  IEEE80211_FCTL_STYPE)) ==
 584                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 585 }
 586
 587 /**
 588  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 589  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 590  * @fc: frame control bytes in little-endian byteorder
 591  */
 592 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 593 {
 594         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 595                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 596                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 597 }
 598
 599 /**
 600  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 601  * true for S1G beacons when they're short.
 602  * @fc: frame control bytes in little-endian byteorder
 603  */
 604 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 605 {
 606         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 607 }
 608
 609 /**
 610  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 611  * @fc: frame control bytes in little-endian byteorder
 612  */
 613 static inline bool ieee80211_is_atim(__le16 fc)
 614 {
 615         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 616                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 617 }
 618
 619 /**
 620  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 621  * @fc: frame control bytes in little-endian byteorder
 622  */
 623 static inline bool ieee80211_is_disassoc(__le16 fc)
 624 {
 625         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 626                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 627 }
 628
 629 /**
 630  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 631  * @fc: frame control bytes in little-endian byteorder
 632  */
 633 static inline bool ieee80211_is_auth(__le16 fc)
 634 {
 635         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 636                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 637 }
 638
 639 /**
 640  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 641  * @fc: frame control bytes in little-endian byteorder
 642  */
 643 static inline bool ieee80211_is_deauth(__le16 fc)
 644 {
 645         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 646                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 647 }
 648
 649 /**
 650  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 651  * @fc: frame control bytes in little-endian byteorder
 652  */
 653 static inline bool ieee80211_is_action(__le16 fc)
 654 {
 655         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 656                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 657 }
 658
 659 /**
 660  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 661  * @fc: frame control bytes in little-endian byteorder
 662  */
 663 static inline bool ieee80211_is_back_req(__le16 fc)
 664 {
 665         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 666                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 667 }
 668
 669 /**
 670  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 671  * @fc: frame control bytes in little-endian byteorder
 672  */
 673 static inline bool ieee80211_is_back(__le16 fc)
 674 {
 675         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 676                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 677 }
 678
 679 /**
 680  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 681  * @fc: frame control bytes in little-endian byteorder
 682  */
 683 static inline bool ieee80211_is_pspoll(__le16 fc)
 684 {
 685         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 686                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 687 }
 688
 689 /**
 690  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 691  * @fc: frame control bytes in little-endian byteorder
 692  */
 693 static inline bool ieee80211_is_rts(__le16 fc)
 694 {
 695         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 696                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 697 }
 698
 699 /**
 700  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 701  * @fc: frame control bytes in little-endian byteorder
 702  */
 703 static inline bool ieee80211_is_cts(__le16 fc)
 704 {
 705         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 706                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 707 }
 708
 709 /**
 710  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 711  * @fc: frame control bytes in little-endian byteorder
 712  */
 713 static inline bool ieee80211_is_ack(__le16 fc)
 714 {
 715         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 716                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 717 }
 718
 719 /**
 720  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 721  * @fc: frame control bytes in little-endian byteorder
 722  */
 723 static inline bool ieee80211_is_cfend(__le16 fc)
 724 {
 725         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 726                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 727 }
 728
 729 /**
 730  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 731  * @fc: frame control bytes in little-endian byteorder
 732  */
 733 static inline bool ieee80211_is_cfendack(__le16 fc)
 734 {
 735         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 736                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 737 }
 738
 739 /**
 740  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 741  * @fc: frame control bytes in little-endian byteorder
 742  */
 743 static inline bool ieee80211_is_nullfunc(__le16 fc)
 744 {
 745         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 746                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 747 }
 748
 749 /**
 750  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 751  * @fc: frame control bytes in little-endian byteorder
 752  */
 753 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 754 {
 755         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 756                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 757 }
 758
 759 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 760 {
 761         unsigned int hdrlen = 24;
 762
 763         if (ieee80211_has_a4(fc))
 764                 hdrlen = 30;
 765
 766         if (ieee80211_is_data_qos(fc)) {
 767                 hdrlen += IEEE80211_QOS_CTL_LEN;
 768                 if (ieee80211_has_order(fc))
 769                         hdrlen += IEEE80211_HT_CTL_LEN;
 770         }
 771
 772         return hdrlen;
 773 }
 774
 775 /**
 776  * ieee80211_is_trigger - check if frame is trigger frame
 777  * @fc: frame control field in little-endian byteorder
 778  */
 779 static inline bool ieee80211_is_trigger(__le16 fc)
 780 {
 781         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 782                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 783 }
 784
 785 /**
 786  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 787  * @fc: frame control bytes in little-endian byteorder
 788  */
 789 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 790 {
 791         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 792 }
 793
 794 /**
 795  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 796  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 797  */
 798 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 799 {
 800         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 801 }
 802
 803 /**
 804  * ieee80211_is_frag - check if a frame is a fragment
 805  * @hdr: 802.11 header of the frame
 806  */
 807 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 808 {
 809         return ieee80211_has_morefrags(hdr->frame_control) ||
 810                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 811 }
 812
 813 struct ieee80211s_hdr {
 814         u8 flags;
 815         u8 ttl;
 816         __le32 seqnum;
 817         u8 eaddr1[6];
 818         u8 eaddr2[6];
 819 } __packed __aligned(2);
 820
 821 /* Mesh flags */
 822 #define MESH_FLAGS_AE_A4        0x1
 823 #define MESH_FLAGS_AE_A5_A6     0x2
 824 #define MESH_FLAGS_AE           0x3
 825 #define MESH_FLAGS_PS_DEEP      0x4
 826
 827 /**
 828  * enum ieee80211_preq_flags - mesh PREQ element flags
 829  *
 830  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 831  */
 832 enum ieee80211_preq_flags {
 833         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 834 };
 835
 836 /**
 837  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 838  *
 839  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 840  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 841  */
 842 enum ieee80211_preq_target_flags {
 843         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 844         IEEE80211_PREQ_USN_FLAG = 1<<2,
 845 };
 846
 847 /**
 848  * struct ieee80211_quiet_ie
 849  *
 850  * This structure refers to "Quiet information element"
 851  */
 852 struct ieee80211_quiet_ie {
 853         u8 count;
 854         u8 period;
 855         __le16 duration;
 856         __le16 offset;
 857 } __packed;
 858
 859 /**
 860  * struct ieee80211_msrment_ie
 861  *
 862  * This structure refers to "Measurement Request/Report information element"
 863  */
 864 struct ieee80211_msrment_ie {
 865         u8 token;
 866         u8 mode;
 867         u8 type;
 868         u8 request[];
 869 } __packed;
 870
 871 /**
 872  * struct ieee80211_channel_sw_ie
 873  *
 874  * This structure refers to "Channel Switch Announcement information element"
 875  */
 876 struct ieee80211_channel_sw_ie {
 877         u8 mode;
 878         u8 new_ch_num;
 879         u8 count;
 880 } __packed;
 881
 882 /**
 883  * struct ieee80211_ext_chansw_ie
 884  *
 885  * This structure represents the "Extended Channel Switch Announcement element"
 886  */
 887 struct ieee80211_ext_chansw_ie {
 888         u8 mode;
 889         u8 new_operating_class;
 890         u8 new_ch_num;
 891         u8 count;
 892 } __packed;
 893
 894 /**
 895  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 896  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 897  *      values here
 898  * This structure represents the "Secondary Channel Offset element"
 899  */
 900 struct ieee80211_sec_chan_offs_ie {
 901         u8 sec_chan_offs;
 902 } __packed;
 903
 904 /**
 905  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 906  *
 907  * This structure represents the "Mesh Channel Switch Paramters element"
 908  */
 909 struct ieee80211_mesh_chansw_params_ie {
 910         u8 mesh_ttl;
 911         u8 mesh_flags;
 912         __le16 mesh_reason;
 913         __le16 mesh_pre_value;
 914 } __packed;
 915
 916 /**
 917  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 918  */
 919 struct ieee80211_wide_bw_chansw_ie {
 920         u8 new_channel_width;
 921         u8 new_center_freq_seg0, new_center_freq_seg1;
 922 } __packed;
 923
 924 /**
 925  * struct ieee80211_tim
 926  *
 927  * This structure refers to "Traffic Indication Map information element"
 928  */
 929 struct ieee80211_tim_ie {
 930         u8 dtim_count;
 931         u8 dtim_period;
 932         u8 bitmap_ctrl;
 933         /* variable size: 1 - 251 bytes */
 934         u8 virtual_map[1];
 935 } __packed;
 936
 937 /**
 938  * struct ieee80211_meshconf_ie
 939  *
 940  * This structure refers to "Mesh Configuration information element"
 941  */
 942 struct ieee80211_meshconf_ie {
 943         u8 meshconf_psel;
 944         u8 meshconf_pmetric;
 945         u8 meshconf_congest;
 946         u8 meshconf_synch;
 947         u8 meshconf_auth;
 948         u8 meshconf_form;
 949         u8 meshconf_cap;
 950 } __packed;
 951
 952 /**
 953  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 954  *
 955  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 956  *      additional mesh peerings with other mesh STAs
 957  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 958  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 959  *      is ongoing
 960  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 961  *      neighbors in deep sleep mode
 962  */
 963 enum mesh_config_capab_flags {
 964         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 965         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 966         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 967         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 968 };
 969
 970 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 971
 972 /**
 973  * mesh channel switch parameters element's flag indicator
 974  *
 975  */
 976 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 977 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 978 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 979
 980 /**
 981  * struct ieee80211_rann_ie
 982  *
 983  * This structure refers to "Root Announcement information element"
 984  */
 985 struct ieee80211_rann_ie {
 986         u8 rann_flags;
 987         u8 rann_hopcount;
 988         u8 rann_ttl;
 989         u8 rann_addr[6];
 990         __le32 rann_seq;
 991         __le32 rann_interval;
 992         __le32 rann_metric;
 993 } __packed;
 994
 995 enum ieee80211_rann_flags {
 996         RANN_FLAG_IS_GATE = 1 << 0,
 997 };
 998
 999 enum ieee80211_ht_chanwidth_values {
1000         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1001         IEEE80211_HT_CHANWIDTH_ANY = 1,
1002 };
1003
1004 /**
1005  * enum ieee80211_opmode_bits - VHT operating mode field bits
1006  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1007  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1008  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1009  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1010  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1011  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1012  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1013  *      (the NSS value is the value of this field + 1)
1014  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1015  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1016  *      using a beamforming steering matrix
1017  */
1018 enum ieee80211_vht_opmode_bits {
1019         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1020         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1021         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1022         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1023         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1024         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1025         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1026         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1027         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1028 };
1029
1030 /**
1031  * enum ieee80211_s1g_chanwidth
1032  * These are defined in IEEE802.11-2016ah Table 10-20
1033  * as BSS Channel Width
1034  *
1035  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1036  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1037  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1038  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1039  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1040  */
1041 enum ieee80211_s1g_chanwidth {
1042         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1043         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1044         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1045         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1046         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1047 };
1048
1049 #define WLAN_SA_QUERY_TR_ID_LEN 2
1050 #define WLAN_MEMBERSHIP_LEN 8
1051 #define WLAN_USER_POSITION_LEN 16
1052
1053 /**
1054  * struct ieee80211_tpc_report_ie
1055  *
1056  * This structure refers to "TPC Report element"
1057  */
1058 struct ieee80211_tpc_report_ie {
1059         u8 tx_power;
1060         u8 link_margin;
1061 } __packed;
1062
1063 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1064 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1065 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1066 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1067 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1068
1069 struct ieee80211_addba_ext_ie {
1070         u8 data;
1071 } __packed;
1072
1073 /**
1074  * struct ieee80211_s1g_bcn_compat_ie
1075  *
1076  * S1G Beacon Compatibility element
1077  */
1078 struct ieee80211_s1g_bcn_compat_ie {
1079         __le16 compat_info;
1080         __le16 beacon_int;
1081         __le32 tsf_completion;
1082 } __packed;
1083
1084 /**
1085  * struct ieee80211_s1g_oper_ie
1086  *
1087  * S1G Operation element
1088  */
1089 struct ieee80211_s1g_oper_ie {
1090         u8 ch_width;
1091         u8 oper_class;
1092         u8 primary_ch;
1093         u8 oper_ch;
1094         __le16 basic_mcs_nss;
1095 } __packed;
1096
1097 /**
1098  * struct ieee80211_aid_response_ie
1099  *
1100  * AID Response element
1101  */
1102 struct ieee80211_aid_response_ie {
1103         __le16 aid;
1104         u8 switch_count;
1105         __le16 response_int;
1106 } __packed;
1107
1108 struct ieee80211_s1g_cap {
1109         u8 capab_info[10];
1110         u8 supp_mcs_nss[5];
1111 } __packed;
1112
1113 struct ieee80211_ext {
1114         __le16 frame_control;
1115         __le16 duration;
1116         union {
1117                 struct {
1118                         u8 sa[6];
1119                         __le32 timestamp;
1120                         u8 change_seq;
1121                         u8 variable[0];
1122                 } __packed s1g_beacon;
1123                 struct {
1124                         u8 sa[6];
1125                         __le32 timestamp;
1126                         u8 change_seq;
1127                         u8 next_tbtt[3];
1128                         u8 variable[0];
1129                 } __packed s1g_short_beacon;
1130         } u;
1131 } __packed __aligned(2);
1132
1133 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1134 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1135 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1136 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1137 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1138
1139 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1140 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1141 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1142 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1143 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1144 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1145 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1146 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1147
1148 enum ieee80211_twt_setup_cmd {
1149         TWT_SETUP_CMD_REQUEST,
1150         TWT_SETUP_CMD_SUGGEST,
1151         TWT_SETUP_CMD_DEMAND,
1152         TWT_SETUP_CMD_GROUPING,
1153         TWT_SETUP_CMD_ACCEPT,
1154         TWT_SETUP_CMD_ALTERNATE,
1155         TWT_SETUP_CMD_DICTATE,
1156         TWT_SETUP_CMD_REJECT,
1157 };
1158
1159 struct ieee80211_twt_params {
1160         __le16 req_type;
1161         __le64 twt;
1162         u8 min_twt_dur;
1163         __le16 mantissa;
1164         u8 channel;
1165 } __packed;
1166
1167 struct ieee80211_twt_setup {
1168         u8 dialog_token;
1169         u8 element_id;
1170         u8 length;
1171         u8 control;
1172         u8 params[];
1173 } __packed;
1174
1175 struct ieee80211_mgmt {
1176         __le16 frame_control;
1177         __le16 duration;
1178         u8 da[6];
1179         u8 sa[6];
1180         u8 bssid[6];
1181         __le16 seq_ctrl;
1182         union {
1183                 struct {
1184                         __le16 auth_alg;
1185                         __le16 auth_transaction;
1186                         __le16 status_code;
1187                         /* possibly followed by Challenge text */
1188                         u8 variable[];
1189                 } __packed __aligned(4) auth;
1190                 struct {
1191                         __le16 reason_code;
1192                 } __packed __aligned(4) deauth;
1193                 struct {
1194                         __le16 capab_info;
1195                         __le16 listen_interval;
1196                         /* followed by SSID and Supported rates */
1197                         u8 variable[];
1198                 } __packed __aligned(4) assoc_req;
1199                 struct {
1200                         __le16 capab_info;
1201                         __le16 status_code;
1202                         __le16 aid;
1203                         /* followed by Supported rates */
1204                         u8 variable[];
1205                 } __packed __aligned(4) assoc_resp, reassoc_resp;
1206                 struct {
1207                         __le16 capab_info;
1208                         __le16 status_code;
1209                         u8 variable[];
1210                 } __packed __aligned(4) s1g_assoc_resp, s1g_reassoc_resp;
1211                 struct {
1212                         __le16 capab_info;
1213                         __le16 listen_interval;
1214                         u8 current_ap[6];
1215                         /* followed by SSID and Supported rates */
1216                         u8 variable[];
1217                 } __packed __aligned(4) reassoc_req;
1218                 struct {
1219                         __le16 reason_code;
1220                 } __packed __aligned(4) disassoc;
1221                 struct {
1222                         __le64 timestamp;
1223                         __le16 beacon_int;
1224                         __le16 capab_info;
1225                         /* followed by some of SSID, Supported rates,
1226                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1227                         u8 variable[];
1228                 } __packed __aligned(4) beacon;
1229                 struct {
1230                         /* only variable items: SSID, Supported rates */
1231                         DECLARE_FLEX_ARRAY(u8, variable);
1232                 } __packed __aligned(4) probe_req;
1233                 struct {
1234                         __le64 timestamp;
1235                         __le16 beacon_int;
1236                         __le16 capab_info;
1237                         /* followed by some of SSID, Supported rates,
1238                          * FH Params, DS Params, CF Params, IBSS Params */
1239                         u8 variable[];
1240                 } __packed __aligned(4) probe_resp;
1241                 struct {
1242                         u8 category;
1243                         union {
1244                                 struct {
1245                                         u8 action_code;
1246                                         u8 dialog_token;
1247                                         u8 status_code;
1248                                         u8 variable[];
1249                                 } __packed wme_action;
1250                                 struct{
1251                                         u8 action_code;
1252                                         u8 variable[];
1253                                 } __packed chan_switch;
1254                                 struct{
1255                                         u8 action_code;
1256                                         struct ieee80211_ext_chansw_ie data;
1257                                         u8 variable[];
1258                                 } __packed ext_chan_switch;
1259                                 struct{
1260                                         u8 action_code;
1261                                         u8 dialog_token;
1262                                         u8 element_id;
1263                                         u8 length;
1264                                         struct ieee80211_msrment_ie msr_elem;
1265                                 } __packed measurement;
1266                                 struct{
1267                                         u8 action_code;
1268                                         u8 dialog_token;
1269                                         __le16 capab;
1270                                         __le16 timeout;
1271                                         __le16 start_seq_num;
1272                                         /* followed by BA Extension */
1273                                         u8 variable[];
1274                                 } __packed addba_req;
1275                                 struct{
1276                                         u8 action_code;
1277                                         u8 dialog_token;
1278                                         __le16 status;
1279                                         __le16 capab;
1280                                         __le16 timeout;
1281                                 } __packed addba_resp;
1282                                 struct{
1283                                         u8 action_code;
1284                                         __le16 params;
1285                                         __le16 reason_code;
1286                                 } __packed delba;
1287                                 struct {
1288                                         u8 action_code;
1289                                         u8 variable[];
1290                                 } __packed self_prot;
1291                                 struct{
1292                                         u8 action_code;
1293                                         u8 variable[];
1294                                 } __packed mesh_action;
1295                                 struct {
1296                                         u8 action;
1297                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1298                                 } __packed sa_query;
1299                                 struct {
1300                                         u8 action;
1301                                         u8 smps_control;
1302                                 } __packed ht_smps;
1303                                 struct {
1304                                         u8 action_code;
1305                                         u8 chanwidth;
1306                                 } __packed ht_notify_cw;
1307                                 struct {
1308                                         u8 action_code;
1309                                         u8 dialog_token;
1310                                         __le16 capability;
1311                                         u8 variable[0];
1312                                 } __packed tdls_discover_resp;
1313                                 struct {
1314                                         u8 action_code;
1315                                         u8 operating_mode;
1316                                 } __packed vht_opmode_notif;
1317                                 struct {
1318                                         u8 action_code;
1319                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1320                                         u8 position[WLAN_USER_POSITION_LEN];
1321                                 } __packed vht_group_notif;
1322                                 struct {
1323                                         u8 action_code;
1324                                         u8 dialog_token;
1325                                         u8 tpc_elem_id;
1326                                         u8 tpc_elem_length;
1327                                         struct ieee80211_tpc_report_ie tpc;
1328                                 } __packed tpc_report;
1329                                 struct {
1330                                         u8 action_code;
1331                                         u8 dialog_token;
1332                                         u8 follow_up;
1333                                         u8 tod[6];
1334                                         u8 toa[6];
1335                                         __le16 tod_error;
1336                                         __le16 toa_error;
1337                                         u8 variable[];
1338                                 } __packed ftm;
1339                                 struct {
1340                                         u8 action_code;
1341                                         u8 variable[];
1342                                 } __packed s1g;
1343                                 struct {
1344                                         u8 action_code;
1345                                         u8 dialog_token;
1346                                         u8 follow_up;
1347                                         u32 tod;
1348                                         u32 toa;
1349                                         u8 max_tod_error;
1350                                         u8 max_toa_error;
1351                                 } __packed wnm_timing_msr;
1352                         } u;
1353                 } __packed __aligned(4) action;
1354                 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1355         } u __aligned(2);
1356 } __packed __aligned(2);
1357
1358 /* Supported rates membership selectors */
1359 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1360 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1361 #define BSS_MEMBERSHIP_SELECTOR_GLK     125
1362 #define BSS_MEMBERSHIP_SELECTOR_EPS     124
1363 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1364 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1365 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1366
1367 /* mgmt header + 1 byte category code */
1368 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1369
1370
1371 /* Management MIC information element (IEEE 802.11w) */
1372 struct ieee80211_mmie {
1373         u8 element_id;
1374         u8 length;
1375         __le16 key_id;
1376         u8 sequence_number[6];
1377         u8 mic[8];
1378 } __packed;
1379
1380 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1381 struct ieee80211_mmie_16 {
1382         u8 element_id;
1383         u8 length;
1384         __le16 key_id;
1385         u8 sequence_number[6];
1386         u8 mic[16];
1387 } __packed;
1388
1389 struct ieee80211_vendor_ie {
1390         u8 element_id;
1391         u8 len;
1392         u8 oui[3];
1393         u8 oui_type;
1394 } __packed;
1395
1396 struct ieee80211_wmm_ac_param {
1397         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1398         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1399         __le16 txop_limit;
1400 } __packed;
1401
1402 struct ieee80211_wmm_param_ie {
1403         u8 element_id; /* Element ID: 221 (0xdd); */
1404         u8 len; /* Length: 24 */
1405         /* required fields for WMM version 1 */
1406         u8 oui[3]; /* 00:50:f2 */
1407         u8 oui_type; /* 2 */
1408         u8 oui_subtype; /* 1 */
1409         u8 version; /* 1 for WMM version 1.0 */
1410         u8 qos_info; /* AP/STA specific QoS info */
1411         u8 reserved; /* 0 */
1412         /* AC_BE, AC_BK, AC_VI, AC_VO */
1413         struct ieee80211_wmm_ac_param ac[4];
1414 } __packed;
1415
1416 /* Control frames */
1417 struct ieee80211_rts {
1418         __le16 frame_control;
1419         __le16 duration;
1420         u8 ra[6];
1421         u8 ta[6];
1422 } __packed __aligned(2);
1423
1424 struct ieee80211_cts {
1425         __le16 frame_control;
1426         __le16 duration;
1427         u8 ra[6];
1428 } __packed __aligned(2);
1429
1430 struct ieee80211_pspoll {
1431         __le16 frame_control;
1432         __le16 aid;
1433         u8 bssid[6];
1434         u8 ta[6];
1435 } __packed __aligned(2);
1436
1437 /* TDLS */
1438
1439 /* Channel switch timing */
1440 struct ieee80211_ch_switch_timing {
1441         __le16 switch_time;
1442         __le16 switch_timeout;
1443 } __packed;
1444
1445 /* Link-id information element */
1446 struct ieee80211_tdls_lnkie {
1447         u8 ie_type; /* Link Identifier IE */
1448         u8 ie_len;
1449         u8 bssid[6];
1450         u8 init_sta[6];
1451         u8 resp_sta[6];
1452 } __packed;
1453
1454 struct ieee80211_tdls_data {
1455         u8 da[6];
1456         u8 sa[6];
1457         __be16 ether_type;
1458         u8 payload_type;
1459         u8 category;
1460         u8 action_code;
1461         union {
1462                 struct {
1463                         u8 dialog_token;
1464                         __le16 capability;
1465                         u8 variable[0];
1466                 } __packed setup_req;
1467                 struct {
1468                         __le16 status_code;
1469                         u8 dialog_token;
1470                         __le16 capability;
1471                         u8 variable[0];
1472                 } __packed setup_resp;
1473                 struct {
1474                         __le16 status_code;
1475                         u8 dialog_token;
1476                         u8 variable[0];
1477                 } __packed setup_cfm;
1478                 struct {
1479                         __le16 reason_code;
1480                         u8 variable[0];
1481                 } __packed teardown;
1482                 struct {
1483                         u8 dialog_token;
1484                         u8 variable[0];
1485                 } __packed discover_req;
1486                 struct {
1487                         u8 target_channel;
1488                         u8 oper_class;
1489                         u8 variable[0];
1490                 } __packed chan_switch_req;
1491                 struct {
1492                         __le16 status_code;
1493                         u8 variable[0];
1494                 } __packed chan_switch_resp;
1495         } u;
1496 } __packed;
1497
1498 /*
1499  * Peer-to-Peer IE attribute related definitions.
1500  */
1501 /**
1502  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1503  */
1504 enum ieee80211_p2p_attr_id {
1505         IEEE80211_P2P_ATTR_STATUS = 0,
1506         IEEE80211_P2P_ATTR_MINOR_REASON,
1507         IEEE80211_P2P_ATTR_CAPABILITY,
1508         IEEE80211_P2P_ATTR_DEVICE_ID,
1509         IEEE80211_P2P_ATTR_GO_INTENT,
1510         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1511         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1512         IEEE80211_P2P_ATTR_GROUP_BSSID,
1513         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1514         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1515         IEEE80211_P2P_ATTR_MANAGABILITY,
1516         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1517         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1518         IEEE80211_P2P_ATTR_DEVICE_INFO,
1519         IEEE80211_P2P_ATTR_GROUP_INFO,
1520         IEEE80211_P2P_ATTR_GROUP_ID,
1521         IEEE80211_P2P_ATTR_INTERFACE,
1522         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1523         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1524         /* 19 - 220: Reserved */
1525         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1526
1527         IEEE80211_P2P_ATTR_MAX
1528 };
1529
1530 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1531 /* Typical max value used here */
1532 #define IEEE80211_P2P_NOA_DESC_MAX      4
1533
1534 struct ieee80211_p2p_noa_desc {
1535         u8 count;
1536         __le32 duration;
1537         __le32 interval;
1538         __le32 start_time;
1539 } __packed;
1540
1541 struct ieee80211_p2p_noa_attr {
1542         u8 index;
1543         u8 oppps_ctwindow;
1544         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1545 } __packed;
1546
1547 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1548 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1549
1550 /**
1551  * struct ieee80211_bar - HT Block Ack Request
1552  *
1553  * This structure refers to "HT BlockAckReq" as
1554  * described in 802.11n draft section 7.2.1.7.1
1555  */
1556 struct ieee80211_bar {
1557         __le16 frame_control;
1558         __le16 duration;
1559         __u8 ra[6];
1560         __u8 ta[6];
1561         __le16 control;
1562         __le16 start_seq_num;
1563 } __packed __aligned(2);
1564
1565 /* 802.11 BA(R) control masks */
1566 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1567 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1568 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1569 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1570 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1571
1572 /**
1573  * struct ieee80211_ba - HT Block Ack
1574  *
1575  * This structure refers to "HT BlockAck" as
1576  * described in 802.11n draft section 7.2.1.8.1
1577  */
1578 struct ieee80211_ba {
1579         __le16 frame_control;
1580         __le16 duration;
1581         u8 ra[6];
1582         u8 ta[6];
1583         __le16 control;
1584
1585         __le16 start_seq_num;
1586         u8 bitmap[8];
1587 } __packed;
1588
1589 #define IEEE80211_HT_MCS_MASK_LEN               10
1590
1591 /**
1592  * struct ieee80211_mcs_info - MCS information
1593  * @rx_mask: RX mask
1594  * @rx_highest: highest supported RX rate. If set represents
1595  *      the highest supported RX data rate in units of 1 Mbps.
1596  *      If this field is 0 this value should not be used to
1597  *      consider the highest RX data rate supported.
1598  * @tx_params: TX parameters
1599  */
1600 struct ieee80211_mcs_info {
1601         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1602         __le16 rx_highest;
1603         u8 tx_params;
1604         u8 reserved[3];
1605 } __packed;
1606
1607 /* 802.11n HT capability MSC set */
1608 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1609 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1610 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1611 /* value 0 == 1 stream etc */
1612 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1613 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1614 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1615 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1616
1617 /*
1618  * 802.11n D5.0 20.3.5 / 20.6 says:
1619  * - indices 0 to 7 and 32 are single spatial stream
1620  * - 8 to 31 are multiple spatial streams using equal modulation
1621  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1622  * - remainder are multiple spatial streams using unequal modulation
1623  */
1624 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1625 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1626         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1627
1628 /**
1629  * struct ieee80211_ht_cap - HT capabilities
1630  *
1631  * This structure is the "HT capabilities element" as
1632  * described in 802.11n D5.0 7.3.2.57
1633  */
1634 struct ieee80211_ht_cap {
1635         __le16 cap_info;
1636         u8 ampdu_params_info;
1637
1638         /* 16 bytes MCS information */
1639         struct ieee80211_mcs_info mcs;
1640
1641         __le16 extended_ht_cap_info;
1642         __le32 tx_BF_cap_info;
1643         u8 antenna_selection_info;
1644 } __packed;
1645
1646 /* 802.11n HT capabilities masks (for cap_info) */
1647 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1648 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1649 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1650 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1651 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1652 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1653 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1654 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1655 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1656 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1657 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1658 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1659 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1660 #define IEEE80211_HT_CAP_RESERVED               0x2000
1661 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1662 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1663
1664 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1665 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1666 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1667 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1668 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1669 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1670 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1671 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1672
1673 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1674 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1675 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1676 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1677
1678 /*
1679  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1680  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1681  */
1682 enum ieee80211_max_ampdu_length_exp {
1683         IEEE80211_HT_MAX_AMPDU_8K = 0,
1684         IEEE80211_HT_MAX_AMPDU_16K = 1,
1685         IEEE80211_HT_MAX_AMPDU_32K = 2,
1686         IEEE80211_HT_MAX_AMPDU_64K = 3
1687 };
1688
1689 /*
1690  * Maximum length of AMPDU that the STA can receive in VHT.
1691  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1692  */
1693 enum ieee80211_vht_max_ampdu_length_exp {
1694         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1695         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1696         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1697         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1698         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1699         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1700         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1701         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1702 };
1703
1704 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1705
1706 /* Minimum MPDU start spacing */
1707 enum ieee80211_min_mpdu_spacing {
1708         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1709         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1710         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1711         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1712         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1713         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1714         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1715         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1716 };
1717
1718 /**
1719  * struct ieee80211_ht_operation - HT operation IE
1720  *
1721  * This structure is the "HT operation element" as
1722  * described in 802.11n-2009 7.3.2.57
1723  */
1724 struct ieee80211_ht_operation {
1725         u8 primary_chan;
1726         u8 ht_param;
1727         __le16 operation_mode;
1728         __le16 stbc_param;
1729         u8 basic_set[16];
1730 } __packed;
1731
1732 /* for ht_param */
1733 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1734 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1735 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1736 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1737 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1738 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1739
1740 /* for operation_mode */
1741 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1742 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1743 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1744 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1745 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1746 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1747 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1748 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1749 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1750
1751 /* for stbc_param */
1752 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1753 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1754 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1755 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1756 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1757 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1758
1759
1760 /* block-ack parameters */
1761 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1762 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1763 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1764 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1765 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1766 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1767
1768 /*
1769  * A-MPDU buffer sizes
1770  * According to HT size varies from 8 to 64 frames
1771  * HE adds the ability to have up to 256 frames.
1772  * EHT adds the ability to have up to 1K frames.
1773  */
1774 #define IEEE80211_MIN_AMPDU_BUF         0x8
1775 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1776 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1777 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1778
1779
1780 /* Spatial Multiplexing Power Save Modes (for capability) */
1781 #define WLAN_HT_CAP_SM_PS_STATIC        0
1782 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1783 #define WLAN_HT_CAP_SM_PS_INVALID       2
1784 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1785
1786 /* for SM power control field lower two bits */
1787 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1788 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1789 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1790
1791 /**
1792  * struct ieee80211_vht_mcs_info - VHT MCS information
1793  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1794  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1795  *      STA can receive. Rate expressed in units of 1 Mbps.
1796  *      If this field is 0 this value should not be used to
1797  *      consider the highest RX data rate supported.
1798  *      The top 3 bits of this field indicate the Maximum NSTS,total
1799  *      (a beamformee capability.)
1800  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1801  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1802  *      STA can transmit. Rate expressed in units of 1 Mbps.
1803  *      If this field is 0 this value should not be used to
1804  *      consider the highest TX data rate supported.
1805  *      The top 2 bits of this field are reserved, the
1806  *      3rd bit from the top indiciates VHT Extended NSS BW
1807  *      Capability.
1808  */
1809 struct ieee80211_vht_mcs_info {
1810         __le16 rx_mcs_map;
1811         __le16 rx_highest;
1812         __le16 tx_mcs_map;
1813         __le16 tx_highest;
1814 } __packed;
1815
1816 /* for rx_highest */
1817 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1818 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1819
1820 /* for tx_highest */
1821 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1822
1823 /**
1824  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1825  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1826  *      number of streams
1827  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1828  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1829  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1830  *
1831  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1832  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1833  * both split into 8 subfields by number of streams. These values indicate
1834  * which MCSes are supported for the number of streams the value appears
1835  * for.
1836  */
1837 enum ieee80211_vht_mcs_support {
1838         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1839         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1840         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1841         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1842 };
1843
1844 /**
1845  * struct ieee80211_vht_cap - VHT capabilities
1846  *
1847  * This structure is the "VHT capabilities element" as
1848  * described in 802.11ac D3.0 8.4.2.160
1849  * @vht_cap_info: VHT capability info
1850  * @supp_mcs: VHT MCS supported rates
1851  */
1852 struct ieee80211_vht_cap {
1853         __le32 vht_cap_info;
1854         struct ieee80211_vht_mcs_info supp_mcs;
1855 } __packed;
1856
1857 /**
1858  * enum ieee80211_vht_chanwidth - VHT channel width
1859  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1860  *      determine the channel width (20 or 40 MHz)
1861  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1862  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1863  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1864  */
1865 enum ieee80211_vht_chanwidth {
1866         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1867         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1868         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1869         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1870 };
1871
1872 /**
1873  * struct ieee80211_vht_operation - VHT operation IE
1874  *
1875  * This structure is the "VHT operation element" as
1876  * described in 802.11ac D3.0 8.4.2.161
1877  * @chan_width: Operating channel width
1878  * @center_freq_seg0_idx: center freq segment 0 index
1879  * @center_freq_seg1_idx: center freq segment 1 index
1880  * @basic_mcs_set: VHT Basic MCS rate set
1881  */
1882 struct ieee80211_vht_operation {
1883         u8 chan_width;
1884         u8 center_freq_seg0_idx;
1885         u8 center_freq_seg1_idx;
1886         __le16 basic_mcs_set;
1887 } __packed;
1888
1889 /**
1890  * struct ieee80211_he_cap_elem - HE capabilities element
1891  *
1892  * This structure is the "HE capabilities element" fixed fields as
1893  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1894  */
1895 struct ieee80211_he_cap_elem {
1896         u8 mac_cap_info[6];
1897         u8 phy_cap_info[11];
1898 } __packed;
1899
1900 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1901
1902 /**
1903  * enum ieee80211_he_mcs_support - HE MCS support definitions
1904  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1905  *      number of streams
1906  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1907  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1908  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1909  *
1910  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1911  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1912  * both split into 8 subfields by number of streams. These values indicate
1913  * which MCSes are supported for the number of streams the value appears
1914  * for.
1915  */
1916 enum ieee80211_he_mcs_support {
1917         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1918         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1919         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1920         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1921 };
1922
1923 /**
1924  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1925  *
1926  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1927  * described in P802.11ax_D2.0 section 9.4.2.237.4
1928  *
1929  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1930  *     widths less than 80MHz.
1931  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1932  *     widths less than 80MHz.
1933  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1934  *     width 160MHz.
1935  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1936  *     width 160MHz.
1937  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1938  *     channel width 80p80MHz.
1939  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1940  *     channel width 80p80MHz.
1941  */
1942 struct ieee80211_he_mcs_nss_supp {
1943         __le16 rx_mcs_80;
1944         __le16 tx_mcs_80;
1945         __le16 rx_mcs_160;
1946         __le16 tx_mcs_160;
1947         __le16 rx_mcs_80p80;
1948         __le16 tx_mcs_80p80;
1949 } __packed;
1950
1951 /**
1952  * struct ieee80211_he_operation - HE capabilities element
1953  *
1954  * This structure is the "HE operation element" fields as
1955  * described in P802.11ax_D4.0 section 9.4.2.243
1956  */
1957 struct ieee80211_he_operation {
1958         __le32 he_oper_params;
1959         __le16 he_mcs_nss_set;
1960         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1961         u8 optional[];
1962 } __packed;
1963
1964 /**
1965  * struct ieee80211_he_spr - HE spatial reuse element
1966  *
1967  * This structure is the "HE spatial reuse element" element as
1968  * described in P802.11ax_D4.0 section 9.4.2.241
1969  */
1970 struct ieee80211_he_spr {
1971         u8 he_sr_control;
1972         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1973         u8 optional[];
1974 } __packed;
1975
1976 /**
1977  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1978  *
1979  * This structure is the "MU AC Parameter Record" fields as
1980  * described in P802.11ax_D4.0 section 9.4.2.245
1981  */
1982 struct ieee80211_he_mu_edca_param_ac_rec {
1983         u8 aifsn;
1984         u8 ecw_min_max;
1985         u8 mu_edca_timer;
1986 } __packed;
1987
1988 /**
1989  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1990  *
1991  * This structure is the "MU EDCA Parameter Set element" fields as
1992  * described in P802.11ax_D4.0 section 9.4.2.245
1993  */
1994 struct ieee80211_mu_edca_param_set {
1995         u8 mu_qos_info;
1996         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1997         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1998         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1999         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2000 } __packed;
2001
2002 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2003 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2004
2005 /**
2006  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2007  * supported NSS for per MCS.
2008  *
2009  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2010  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2011  * for Tx.
2012  *
2013  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2014  *     supported for reception and the maximum number of spatial streams
2015  *     supported for transmission for MCS 0 - 7.
2016  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2017  *     supported for reception and the maximum number of spatial streams
2018  *     supported for transmission for MCS 8 - 9.
2019  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2020  *     supported for reception and the maximum number of spatial streams
2021  *     supported for transmission for MCS 10 - 11.
2022  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2023  *     supported for reception and the maximum number of spatial streams
2024  *     supported for transmission for MCS 12 - 13.
2025  * @rx_tx_max_nss: array of the previous fields for easier loop access
2026  */
2027 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2028         union {
2029                 struct {
2030                         u8 rx_tx_mcs7_max_nss;
2031                         u8 rx_tx_mcs9_max_nss;
2032                         u8 rx_tx_mcs11_max_nss;
2033                         u8 rx_tx_mcs13_max_nss;
2034                 };
2035                 u8 rx_tx_max_nss[4];
2036         };
2037 };
2038
2039 /**
2040  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2041  * 20MHz only stations).
2042  *
2043  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2044  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2045  * for Tx.
2046  *
2047  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2048  *     supported for reception and the maximum number of spatial streams
2049  *     supported for transmission for MCS 0 - 9.
2050  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2051  *     supported for reception and the maximum number of spatial streams
2052  *     supported for transmission for MCS 10 - 11.
2053  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2054  *     supported for reception and the maximum number of spatial streams
2055  *     supported for transmission for MCS 12 - 13.
2056  * @rx_tx_max_nss: array of the previous fields for easier loop access
2057  */
2058 struct ieee80211_eht_mcs_nss_supp_bw {
2059         union {
2060                 struct {
2061                         u8 rx_tx_mcs9_max_nss;
2062                         u8 rx_tx_mcs11_max_nss;
2063                         u8 rx_tx_mcs13_max_nss;
2064                 };
2065                 u8 rx_tx_max_nss[3];
2066         };
2067 };
2068
2069 /**
2070  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2071  *
2072  * This structure is the "EHT Capabilities element" fixed fields as
2073  * described in P802.11be_D2.0 section 9.4.2.313.
2074  *
2075  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2076  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2077  */
2078 struct ieee80211_eht_cap_elem_fixed {
2079         u8 mac_cap_info[2];
2080         u8 phy_cap_info[9];
2081 } __packed;
2082
2083 /**
2084  * struct ieee80211_eht_cap_elem - EHT capabilities element
2085  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2086  * @optional: optional parts
2087  */
2088 struct ieee80211_eht_cap_elem {
2089         struct ieee80211_eht_cap_elem_fixed fixed;
2090
2091         /*
2092          * Followed by:
2093          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2094          * EHT PPE Thresholds field: variable length.
2095          */
2096         u8 optional[];
2097 } __packed;
2098
2099 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2100 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2101 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2102 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2103 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2104
2105 /**
2106  * struct ieee80211_eht_operation - eht operation element
2107  *
2108  * This structure is the "EHT Operation Element" fields as
2109  * described in P802.11be_D2.0 section 9.4.2.311
2110  *
2111  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2112  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2113  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2114  *     receive.
2115  * @optional: optional parts
2116  */
2117 struct ieee80211_eht_operation {
2118         u8 params;
2119         struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2120         u8 optional[];
2121 } __packed;
2122
2123 /**
2124  * struct ieee80211_eht_operation_info - eht operation information
2125  *
2126  * @control: EHT operation information control.
2127  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2128  *     EHT BSS.
2129  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2130  * @optional: optional parts
2131  */
2132 struct ieee80211_eht_operation_info {
2133         u8 control;
2134         u8 ccfs0;
2135         u8 ccfs1;
2136         u8 optional[];
2137 } __packed;
2138
2139 /* 802.11ac VHT Capabilities */
2140 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2141 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2142 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2143 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2144 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2145 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2146 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2147 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2148 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2149 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2150 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2151 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2152 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2153 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2154 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2155 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2156 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2157 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2158 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2159 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2160 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2161 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2162                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2163 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2164 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2165                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2166 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2167 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2168 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2169 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2170 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2171 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2172                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2173 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2174 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2175 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2176 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2177 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2178 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2179
2180 /**
2181  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2182  * @cap: VHT capabilities of the peer
2183  * @bw: bandwidth to use
2184  * @mcs: MCS index to use
2185  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2186  *      (rate scaling algorithm) can deal with the new logic
2187  *      (dot11VHTExtendedNSSBWCapable)
2188  * @max_vht_nss: current maximum NSS as advertised by the STA in
2189  *      operating mode notification, can be 0 in which case the
2190  *      capability data will be used to derive this (from MCS support)
2191  *
2192  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2193  * vary for a given BW/MCS. This function parses the data.
2194  *
2195  * Note: This function is exported by cfg80211.
2196  */
2197 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2198                               enum ieee80211_vht_chanwidth bw,
2199                               int mcs, bool ext_nss_bw_capable,
2200                               unsigned int max_vht_nss);
2201
2202 /**
2203  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2204  *
2205  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2206  * @IEEE80211_REG_LPI: Indoor Access Point
2207  * @IEEE80211_REG_SP: Standard power Access Point
2208  * @IEEE80211_REG_VLP: Very low power Access Point
2209  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2210  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2211  */
2212 enum ieee80211_ap_reg_power {
2213         IEEE80211_REG_UNSET_AP,
2214         IEEE80211_REG_LPI_AP,
2215         IEEE80211_REG_SP_AP,
2216         IEEE80211_REG_VLP_AP,
2217         IEEE80211_REG_AP_POWER_AFTER_LAST,
2218         IEEE80211_REG_AP_POWER_MAX =
2219                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2220 };
2221
2222 /**
2223  * enum ieee80211_client_reg_power - regulatory power for a client
2224  *
2225  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2226  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2227  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2228  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2229  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2230  */
2231 enum ieee80211_client_reg_power {
2232         IEEE80211_REG_UNSET_CLIENT,
2233         IEEE80211_REG_DEFAULT_CLIENT,
2234         IEEE80211_REG_SUBORDINATE_CLIENT,
2235         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2236         IEEE80211_REG_CLIENT_POWER_MAX =
2237                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2238 };
2239
2240 /* 802.11ax HE MAC capabilities */
2241 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2242 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2243 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2244 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2245 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2246 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2247 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2248 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2249 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2250 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2251 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2252 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2253 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2254 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2255 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2256 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2257 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2258
2259 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2260 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2261 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2262 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2263 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2264 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2265 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2266 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2267 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2268 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2269 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2270 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2271 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2272 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2273 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2274 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2275 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2276 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2277
2278 /* Link adaptation is split between byte HE_MAC_CAP1 and
2279  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2280  * in which case the following values apply:
2281  * 0 = No feedback.
2282  * 1 = reserved.
2283  * 2 = Unsolicited feedback.
2284  * 3 = both
2285  */
2286 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2287
2288 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2289 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2290 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2291 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2292 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2293 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2294 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2295 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2296
2297 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2298 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2299
2300 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2301  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2302  * same field in the HE capabilities.
2303  */
2304 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2305 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2306 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2307 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2308 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2309 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2310 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2311 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2312
2313 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2314 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2315 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2316 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2317 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2318 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2319 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2320 /* Multi TID agg TX is split between byte #4 and #5
2321  * The value is a combination of B39,B40,B41
2322  */
2323 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2324
2325 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2326 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2327 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2328 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2329 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2330 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2331 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2332 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2333
2334 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2335 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2336 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2337
2338 /* 802.11ax HE PHY capabilities */
2339 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2340 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2341 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2342 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2343 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2344
2345 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2346 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2347 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2348
2349 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2350 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2351 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2352 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2353 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2354 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2355 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2356 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2357 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2358 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2359
2360 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2361 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2362 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2363 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2364 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2365 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2366
2367 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2368  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2369  * case it indicates support for Tx.
2370  */
2371 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2372 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2373
2374 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2375 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2376 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2377 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2378 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2379 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2380 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2381 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2382 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2383 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2384 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2385 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2386 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2387 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2388 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2389 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2390
2391 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2392 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2393
2394 /* Minimal allowed value of Max STS under 80MHz is 3 */
2395 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2396 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2397 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2398 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2399 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2400 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2401
2402 /* Minimal allowed value of Max STS above 80MHz is 3 */
2403 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2404 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2405 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2406 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2407 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2408 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2409
2410 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2411 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2412 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2413 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2414 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2415 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2416 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2417 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2418 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2419
2420 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2421 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2422 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2423 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2424 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2425 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2426 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2427 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2428 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2429
2430 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2431 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2432
2433 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2434 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2435 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2436 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2437 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2438 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2439 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2440 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2441
2442 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2443 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2444 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2445 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2446 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2447 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2448 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2449 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2450 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2451 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2452 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2453 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2454 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2455
2456 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2457 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2458 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2459 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2460 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2461 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2462 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2463 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2464 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2465 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2466 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2467
2468 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2469 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2470 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2471 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2472 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2473 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2474 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2475 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2476 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2477 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2478 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2479 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2480
2481 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2482
2483 /* 802.11ax HE TX/RX MCS NSS Support  */
2484 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2485 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2486 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2487 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2488 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2489
2490 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2491 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2492         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2493         HIGHEST_MCS_SUPPORTED_MCS8,
2494         HIGHEST_MCS_SUPPORTED_MCS9,
2495         HIGHEST_MCS_SUPPORTED_MCS10,
2496         HIGHEST_MCS_SUPPORTED_MCS11,
2497 };
2498
2499 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2500 static inline u8
2501 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2502 {
2503         u8 count = 4;
2504
2505         if (he_cap->phy_cap_info[0] &
2506             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2507                 count += 4;
2508
2509         if (he_cap->phy_cap_info[0] &
2510             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2511                 count += 4;
2512
2513         return count;
2514 }
2515
2516 /* 802.11ax HE PPE Thresholds */
2517 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2518 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2519 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2520 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2521         (BIT(5) | BIT(6))
2522 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2523 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2524 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2525 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2526
2527 /*
2528  * Calculate 802.11ax HE capabilities IE PPE field size
2529  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2530  */
2531 static inline u8
2532 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2533 {
2534         u8 n;
2535
2536         if ((phy_cap_info[6] &
2537              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2538                 return 0;
2539
2540         n = hweight8(ppe_thres_hdr &
2541                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2542         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2543                    IEEE80211_PPE_THRES_NSS_POS));
2544
2545         /*
2546          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2547          * total size.
2548          */
2549         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2550         n = DIV_ROUND_UP(n, 8);
2551
2552         return n;
2553 }
2554
2555 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2556 {
2557         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2558         u8 needed = sizeof(*he_cap_ie_elem);
2559
2560         if (len < needed)
2561                 return false;
2562
2563         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2564         if (len < needed)
2565                 return false;
2566
2567         if (he_cap_ie_elem->phy_cap_info[6] &
2568                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2569                 if (len < needed + 1)
2570                         return false;
2571                 needed += ieee80211_he_ppe_size(data[needed],
2572                                                 he_cap_ie_elem->phy_cap_info);
2573         }
2574
2575         return len >= needed;
2576 }
2577
2578 /* HE Operation defines */
2579 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2580 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2581 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2582 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2583 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2584 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2585 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2586 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2587 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2588 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2589 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2590 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2591
2592 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2593 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2594
2595 /**
2596  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2597  * @primary: primary channel
2598  * @control: control flags
2599  * @ccfs0: channel center frequency segment 0
2600  * @ccfs1: channel center frequency segment 1
2601  * @minrate: minimum rate (in 1 Mbps units)
2602  */
2603 struct ieee80211_he_6ghz_oper {
2604         u8 primary;
2605 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2606 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2607 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2608 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2609 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2610 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2611 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2612         u8 control;
2613         u8 ccfs0;
2614         u8 ccfs1;
2615         u8 minrate;
2616 } __packed;
2617
2618 /*
2619  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2620  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2621  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2622  * Info subfield encoding in the United States".
2623  * So it it totally max 8 Transmit Power Envelope element.
2624  */
2625 #define IEEE80211_TPE_MAX_IE_COUNT      8
2626 /*
2627  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2628  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2629  */
2630 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2631
2632 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2633
2634 /* transmit power interpretation type of transmit power envelope element */
2635 enum ieee80211_tx_power_intrpt_type {
2636         IEEE80211_TPE_LOCAL_EIRP,
2637         IEEE80211_TPE_LOCAL_EIRP_PSD,
2638         IEEE80211_TPE_REG_CLIENT_EIRP,
2639         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2640 };
2641
2642 /**
2643  * struct ieee80211_tx_pwr_env
2644  *
2645  * This structure represents the "Transmit Power Envelope element"
2646  */
2647 struct ieee80211_tx_pwr_env {
2648         u8 tx_power_info;
2649         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2650 } __packed;
2651
2652 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2653 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2654 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2655
2656 /*
2657  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2658  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2659  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2660  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2661  *      validated this.
2662  * @return the actual size of the IE data (not including header), or 0 on error
2663  */
2664 static inline u8
2665 ieee80211_he_oper_size(const u8 *he_oper_ie)
2666 {
2667         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2668         u8 oper_len = sizeof(struct ieee80211_he_operation);
2669         u32 he_oper_params;
2670
2671         /* Make sure the input is not NULL */
2672         if (!he_oper_ie)
2673                 return 0;
2674
2675         /* Calc required length */
2676         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2677         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2678                 oper_len += 3;
2679         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2680                 oper_len++;
2681         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2682                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2683
2684         /* Add the first byte (extension ID) to the total length */
2685         oper_len++;
2686
2687         return oper_len;
2688 }
2689
2690 /**
2691  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2692  * @he_oper: HE operation element (must be pre-validated for size)
2693  *      but may be %NULL
2694  *
2695  * Return: a pointer to the 6 GHz operation field, or %NULL
2696  */
2697 static inline const struct ieee80211_he_6ghz_oper *
2698 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2699 {
2700         const u8 *ret = (const void *)&he_oper->optional;
2701         u32 he_oper_params;
2702
2703         if (!he_oper)
2704                 return NULL;
2705
2706         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2707
2708         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2709                 return NULL;
2710         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2711                 ret += 3;
2712         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2713                 ret++;
2714
2715         return (const void *)ret;
2716 }
2717
2718 /* HE Spatial Reuse defines */
2719 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2720 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2721 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2722 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2723 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2724
2725 /*
2726  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2727  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2728  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2729  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2730  *      this
2731  * @return the actual size of the IE data (not including header), or 0 on error
2732  */
2733 static inline u8
2734 ieee80211_he_spr_size(const u8 *he_spr_ie)
2735 {
2736         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2737         u8 spr_len = sizeof(struct ieee80211_he_spr);
2738         u8 he_spr_params;
2739
2740         /* Make sure the input is not NULL */
2741         if (!he_spr_ie)
2742                 return 0;
2743
2744         /* Calc required length */
2745         he_spr_params = he_spr->he_sr_control;
2746         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2747                 spr_len++;
2748         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2749                 spr_len += 18;
2750
2751         /* Add the first byte (extension ID) to the total length */
2752         spr_len++;
2753
2754         return spr_len;
2755 }
2756
2757 /* S1G Capabilities Information field */
2758 #define IEEE80211_S1G_CAPABILITY_LEN    15
2759
2760 #define S1G_CAP0_S1G_LONG       BIT(0)
2761 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2762 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2763 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2764 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2765 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2766 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2767
2768 #define S1G_SUPP_CH_WIDTH_2     0
2769 #define S1G_SUPP_CH_WIDTH_4     1
2770 #define S1G_SUPP_CH_WIDTH_8     2
2771 #define S1G_SUPP_CH_WIDTH_16    3
2772 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2773                                                     cap[0])) << 1)
2774
2775 #define S1G_CAP1_RX_LDPC        BIT(0)
2776 #define S1G_CAP1_TX_STBC        BIT(1)
2777 #define S1G_CAP1_RX_STBC        BIT(2)
2778 #define S1G_CAP1_SU_BFER        BIT(3)
2779 #define S1G_CAP1_SU_BFEE        BIT(4)
2780 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2781
2782 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2783 #define S1G_CAP2_MU_BFER                BIT(3)
2784 #define S1G_CAP2_MU_BFEE                BIT(4)
2785 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2786 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2787
2788 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2789 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2790 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2791 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2792 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2793
2794 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2795 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2796 #define S1G_CAP4_BAT            BIT(2)
2797 #define S1G_CAP4_TIME_ADE       BIT(3)
2798 #define S1G_CAP4_NON_TIM        BIT(4)
2799 #define S1G_CAP4_GROUP_AID      BIT(5)
2800 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2801
2802 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2803 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2804 #define S1G_CAP5_AMSDU                  BIT(2)
2805 #define S1G_CAP5_AMPDU                  BIT(3)
2806 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2807 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2808 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2809
2810 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2811 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2812 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2813 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2814 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2815 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2816 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2817
2818 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2819 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2820 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2821 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2822 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2823 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2824 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2825 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2826
2827 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2828 #define S1G_CAP8_BDT            BIT(1)
2829 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2830 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2831 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2832 #define S1G_CAP8_PV1_FRAME      BIT(7)
2833
2834 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2835
2836 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2837 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2838
2839 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2840 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2841 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2842 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2843 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2844 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2845 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2846 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2847 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2848 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2849 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2850
2851 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2852
2853 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2854 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2855 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2856 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2857 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2858 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2859 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2860
2861 /* EHT beamformee number of spatial streams <= 80MHz is split */
2862 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2863 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2864
2865 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2866 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2867
2868 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2869 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2870
2871 /* EHT number of sounding dimensions for 320MHz is split */
2872 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2873 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2874 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2875 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2876 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2877 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2878 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2879 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2880 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2881
2882 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2883 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2884 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2885 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2886 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2887
2888 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2889 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2890 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2891 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2892 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2893 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2894 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2895 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2896 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2897
2898 /* Maximum number of supported EHT LTF is split */
2899 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2900 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF               0x40
2901 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2902
2903 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2904 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2905
2906 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2907 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2908 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2909 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2910 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2911 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2912 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2913 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2914
2915 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2916 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2917
2918 /*
2919  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2920  */
2921 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2922 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2923 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2924 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2925 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2926 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2927
2928 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2929 static inline u8
2930 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2931                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2932                            bool from_ap)
2933 {
2934         u8 count = 0;
2935
2936         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2937         if (he_cap->phy_cap_info[0] &
2938             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2939                 return 3;
2940
2941         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2942         if (he_cap->phy_cap_info[0] &
2943             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2944                 count += 3;
2945
2946         if (he_cap->phy_cap_info[0] &
2947             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2948                 count += 3;
2949
2950         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2951                 count += 3;
2952
2953         if (count)
2954                 return count;
2955
2956         return from_ap ? 3 : 4;
2957 }
2958
2959 /* 802.11be EHT PPE Thresholds */
2960 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2961 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2962 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2963 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2964 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2965
2966 /*
2967  * Calculate 802.11be EHT capabilities IE EHT field size
2968  */
2969 static inline u8
2970 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2971 {
2972         u32 n;
2973
2974         if (!(phy_cap_info[5] &
2975               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2976                 return 0;
2977
2978         n = hweight16(ppe_thres_hdr &
2979                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2980         n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
2981
2982         /*
2983          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2984          * total size.
2985          */
2986         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2987             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2988         return DIV_ROUND_UP(n, 8);
2989 }
2990
2991 static inline bool
2992 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2993                            bool from_ap)
2994 {
2995         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2996         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2997
2998         if (len < needed || !he_capa)
2999                 return false;
3000
3001         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
3002                                              (const void *)data,
3003                                              from_ap);
3004         if (len < needed)
3005                 return false;
3006
3007         if (elem->phy_cap_info[5] &
3008                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3009                 u16 ppe_thres_hdr;
3010
3011                 if (len < needed + sizeof(ppe_thres_hdr))
3012                         return false;
3013
3014                 ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
3015                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3016                                                  elem->phy_cap_info);
3017         }
3018
3019         return len >= needed;
3020 }
3021
3022 static inline bool
3023 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3024 {
3025         const struct ieee80211_eht_operation *elem = (const void *)data;
3026         u8 needed = sizeof(*elem);
3027
3028         if (len < needed)
3029                 return false;
3030
3031         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3032                 needed += 3;
3033
3034                 if (elem->params &
3035                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3036                         needed += 2;
3037         }
3038
3039         return len >= needed;
3040 }
3041
3042 #define LISTEN_INT_USF  GENMASK(15, 14)
3043 #define LISTEN_INT_UI   GENMASK(13, 0)
3044
3045 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3046 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3047
3048 /* Authentication algorithms */
3049 #define WLAN_AUTH_OPEN 0
3050 #define WLAN_AUTH_SHARED_KEY 1
3051 #define WLAN_AUTH_FT 2
3052 #define WLAN_AUTH_SAE 3
3053 #define WLAN_AUTH_FILS_SK 4
3054 #define WLAN_AUTH_FILS_SK_PFS 5
3055 #define WLAN_AUTH_FILS_PK 6
3056 #define WLAN_AUTH_LEAP 128
3057
3058 #define WLAN_AUTH_CHALLENGE_LEN 128
3059
3060 #define WLAN_CAPABILITY_ESS             (1<<0)
3061 #define WLAN_CAPABILITY_IBSS            (1<<1)
3062
3063 /*
3064  * A mesh STA sets the ESS and IBSS capability bits to zero.
3065  * however, this holds true for p2p probe responses (in the p2p_find
3066  * phase) as well.
3067  */
3068 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3069         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3070
3071 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3072 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3073 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3074 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3075 #define WLAN_CAPABILITY_PBCC            (1<<6)
3076 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3077
3078 /* 802.11h */
3079 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3080 #define WLAN_CAPABILITY_QOS             (1<<9)
3081 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3082 #define WLAN_CAPABILITY_APSD            (1<<11)
3083 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3084 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3085 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3086 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3087
3088 /* DMG (60gHz) 802.11ad */
3089 /* type - bits 0..1 */
3090 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3091 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3092 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3093 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3094
3095 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3096 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3097 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3098 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3099
3100 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3101 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3102
3103 /* measurement */
3104 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3105 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3106 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3107
3108 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3109 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3110 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3111 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3112 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3113
3114 /* 802.11g ERP information element */
3115 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3116 #define WLAN_ERP_USE_PROTECTION (1<<1)
3117 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3118
3119 /* WLAN_ERP_BARKER_PREAMBLE values */
3120 enum {
3121         WLAN_ERP_PREAMBLE_SHORT = 0,
3122         WLAN_ERP_PREAMBLE_LONG = 1,
3123 };
3124
3125 /* Band ID, 802.11ad #8.4.1.45 */
3126 enum {
3127         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3128         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3129         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3130         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3131         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3132         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3133 };
3134
3135 /* Status codes */
3136 enum ieee80211_statuscode {
3137         WLAN_STATUS_SUCCESS = 0,
3138         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3139         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3140         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3141         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3142         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3143         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3144         WLAN_STATUS_CHALLENGE_FAIL = 15,
3145         WLAN_STATUS_AUTH_TIMEOUT = 16,
3146         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3147         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3148         /* 802.11b */
3149         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3150         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3151         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3152         /* 802.11h */
3153         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3154         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3155         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3156         /* 802.11g */
3157         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3158         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3159         /* 802.11w */
3160         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3161         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3162         /* 802.11i */
3163         WLAN_STATUS_INVALID_IE = 40,
3164         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3165         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3166         WLAN_STATUS_INVALID_AKMP = 43,
3167         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3168         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3169         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3170         /* 802.11e */
3171         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3172         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3173         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3174         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3175         WLAN_STATUS_REQUEST_DECLINED = 37,
3176         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3177         WLAN_STATUS_CHANGE_TSPEC = 39,
3178         WLAN_STATUS_WAIT_TS_DELAY = 47,
3179         WLAN_STATUS_NO_DIRECT_LINK = 48,
3180         WLAN_STATUS_STA_NOT_PRESENT = 49,
3181         WLAN_STATUS_STA_NOT_QSTA = 50,
3182         /* 802.11s */
3183         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3184         WLAN_STATUS_FCG_NOT_SUPP = 78,
3185         WLAN_STATUS_STA_NO_TBTT = 78,
3186         /* 802.11ad */
3187         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3188         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3189         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3190         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3191         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3192         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3193         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3194         WLAN_STATUS_REJECT_DSE_BAND = 96,
3195         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3196         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3197         /* 802.11ai */
3198         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3199         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3200         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3201         WLAN_STATUS_SAE_PK = 127,
3202 };
3203
3204
3205 /* Reason codes */
3206 enum ieee80211_reasoncode {
3207         WLAN_REASON_UNSPECIFIED = 1,
3208         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3209         WLAN_REASON_DEAUTH_LEAVING = 3,
3210         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3211         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3212         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3213         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3214         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3215         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3216         /* 802.11h */
3217         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3218         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3219         /* 802.11i */
3220         WLAN_REASON_INVALID_IE = 13,
3221         WLAN_REASON_MIC_FAILURE = 14,
3222         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3223         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3224         WLAN_REASON_IE_DIFFERENT = 17,
3225         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3226         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3227         WLAN_REASON_INVALID_AKMP = 20,
3228         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3229         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3230         WLAN_REASON_IEEE8021X_FAILED = 23,
3231         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3232         /* TDLS (802.11z) */
3233         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3234         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3235         /* 802.11e */
3236         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3237         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3238         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3239         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3240         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3241         WLAN_REASON_QSTA_NOT_USE = 37,
3242         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3243         WLAN_REASON_QSTA_TIMEOUT = 39,
3244         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3245         /* 802.11s */
3246         WLAN_REASON_MESH_PEER_CANCELED = 52,
3247         WLAN_REASON_MESH_MAX_PEERS = 53,
3248         WLAN_REASON_MESH_CONFIG = 54,
3249         WLAN_REASON_MESH_CLOSE = 55,
3250         WLAN_REASON_MESH_MAX_RETRIES = 56,
3251         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3252         WLAN_REASON_MESH_INVALID_GTK = 58,
3253         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3254         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3255         WLAN_REASON_MESH_PATH_ERROR = 61,
3256         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3257         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3258         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3259         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3260         WLAN_REASON_MESH_CHAN = 66,
3261 };
3262
3263
3264 /* Information Element IDs */
3265 enum ieee80211_eid {
3266         WLAN_EID_SSID = 0,
3267         WLAN_EID_SUPP_RATES = 1,
3268         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3269         WLAN_EID_DS_PARAMS = 3,
3270         WLAN_EID_CF_PARAMS = 4,
3271         WLAN_EID_TIM = 5,
3272         WLAN_EID_IBSS_PARAMS = 6,
3273         WLAN_EID_COUNTRY = 7,
3274         /* 8, 9 reserved */
3275         WLAN_EID_REQUEST = 10,
3276         WLAN_EID_QBSS_LOAD = 11,
3277         WLAN_EID_EDCA_PARAM_SET = 12,
3278         WLAN_EID_TSPEC = 13,
3279         WLAN_EID_TCLAS = 14,
3280         WLAN_EID_SCHEDULE = 15,
3281         WLAN_EID_CHALLENGE = 16,
3282         /* 17-31 reserved for challenge text extension */
3283         WLAN_EID_PWR_CONSTRAINT = 32,
3284         WLAN_EID_PWR_CAPABILITY = 33,
3285         WLAN_EID_TPC_REQUEST = 34,
3286         WLAN_EID_TPC_REPORT = 35,
3287         WLAN_EID_SUPPORTED_CHANNELS = 36,
3288         WLAN_EID_CHANNEL_SWITCH = 37,
3289         WLAN_EID_MEASURE_REQUEST = 38,
3290         WLAN_EID_MEASURE_REPORT = 39,
3291         WLAN_EID_QUIET = 40,
3292         WLAN_EID_IBSS_DFS = 41,
3293         WLAN_EID_ERP_INFO = 42,
3294         WLAN_EID_TS_DELAY = 43,
3295         WLAN_EID_TCLAS_PROCESSING = 44,
3296         WLAN_EID_HT_CAPABILITY = 45,
3297         WLAN_EID_QOS_CAPA = 46,
3298         /* 47 reserved for Broadcom */
3299         WLAN_EID_RSN = 48,
3300         WLAN_EID_802_15_COEX = 49,
3301         WLAN_EID_EXT_SUPP_RATES = 50,
3302         WLAN_EID_AP_CHAN_REPORT = 51,
3303         WLAN_EID_NEIGHBOR_REPORT = 52,
3304         WLAN_EID_RCPI = 53,
3305         WLAN_EID_MOBILITY_DOMAIN = 54,
3306         WLAN_EID_FAST_BSS_TRANSITION = 55,
3307         WLAN_EID_TIMEOUT_INTERVAL = 56,
3308         WLAN_EID_RIC_DATA = 57,
3309         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3310         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3311         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3312         WLAN_EID_HT_OPERATION = 61,
3313         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3314         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3315         WLAN_EID_ANTENNA_INFO = 64,
3316         WLAN_EID_RSNI = 65,
3317         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3318         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3319         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3320         WLAN_EID_TIME_ADVERTISEMENT = 69,
3321         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3322         WLAN_EID_MULTIPLE_BSSID = 71,
3323         WLAN_EID_BSS_COEX_2040 = 72,
3324         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3325         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3326         WLAN_EID_RIC_DESCRIPTOR = 75,
3327         WLAN_EID_MMIE = 76,
3328         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3329         WLAN_EID_EVENT_REQUEST = 78,
3330         WLAN_EID_EVENT_REPORT = 79,
3331         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3332         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3333         WLAN_EID_LOCATION_PARAMS = 82,
3334         WLAN_EID_NON_TX_BSSID_CAP =  83,
3335         WLAN_EID_SSID_LIST = 84,
3336         WLAN_EID_MULTI_BSSID_IDX = 85,
3337         WLAN_EID_FMS_DESCRIPTOR = 86,
3338         WLAN_EID_FMS_REQUEST = 87,
3339         WLAN_EID_FMS_RESPONSE = 88,
3340         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3341         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3342         WLAN_EID_TSF_REQUEST = 91,
3343         WLAN_EID_TSF_RESPOSNE = 92,
3344         WLAN_EID_WNM_SLEEP_MODE = 93,
3345         WLAN_EID_TIM_BCAST_REQ = 94,
3346         WLAN_EID_TIM_BCAST_RESP = 95,
3347         WLAN_EID_COLL_IF_REPORT = 96,
3348         WLAN_EID_CHANNEL_USAGE = 97,
3349         WLAN_EID_TIME_ZONE = 98,
3350         WLAN_EID_DMS_REQUEST = 99,
3351         WLAN_EID_DMS_RESPONSE = 100,
3352         WLAN_EID_LINK_ID = 101,
3353         WLAN_EID_WAKEUP_SCHEDUL = 102,
3354         /* 103 reserved */
3355         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3356         WLAN_EID_PTI_CONTROL = 105,
3357         WLAN_EID_PU_BUFFER_STATUS = 106,
3358         WLAN_EID_INTERWORKING = 107,
3359         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3360         WLAN_EID_EXPEDITED_BW_REQ = 109,
3361         WLAN_EID_QOS_MAP_SET = 110,
3362         WLAN_EID_ROAMING_CONSORTIUM = 111,
3363         WLAN_EID_EMERGENCY_ALERT = 112,
3364         WLAN_EID_MESH_CONFIG = 113,
3365         WLAN_EID_MESH_ID = 114,
3366         WLAN_EID_LINK_METRIC_REPORT = 115,
3367         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3368         WLAN_EID_PEER_MGMT = 117,
3369         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3370         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3371         WLAN_EID_BEACON_TIMING = 120,
3372         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3373         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3374         WLAN_EID_MCCAOP_ADVERT = 123,
3375         WLAN_EID_MCCAOP_TEARDOWN = 124,
3376         WLAN_EID_GANN = 125,
3377         WLAN_EID_RANN = 126,
3378         WLAN_EID_EXT_CAPABILITY = 127,
3379         /* 128, 129 reserved for Agere */
3380         WLAN_EID_PREQ = 130,
3381         WLAN_EID_PREP = 131,
3382         WLAN_EID_PERR = 132,
3383         /* 133-136 reserved for Cisco */
3384         WLAN_EID_PXU = 137,
3385         WLAN_EID_PXUC = 138,
3386         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3387         WLAN_EID_MIC = 140,
3388         WLAN_EID_DESTINATION_URI = 141,
3389         WLAN_EID_UAPSD_COEX = 142,
3390         WLAN_EID_WAKEUP_SCHEDULE = 143,
3391         WLAN_EID_EXT_SCHEDULE = 144,
3392         WLAN_EID_STA_AVAILABILITY = 145,
3393         WLAN_EID_DMG_TSPEC = 146,
3394         WLAN_EID_DMG_AT = 147,
3395         WLAN_EID_DMG_CAP = 148,
3396         /* 149 reserved for Cisco */
3397         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3398         WLAN_EID_DMG_OPERATION = 151,
3399         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3400         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3401         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3402         /* 155-156 reserved for Cisco */
3403         WLAN_EID_AWAKE_WINDOW = 157,
3404         WLAN_EID_MULTI_BAND = 158,
3405         WLAN_EID_ADDBA_EXT = 159,
3406         WLAN_EID_NEXT_PCP_LIST = 160,
3407         WLAN_EID_PCP_HANDOVER = 161,
3408         WLAN_EID_DMG_LINK_MARGIN = 162,
3409         WLAN_EID_SWITCHING_STREAM = 163,
3410         WLAN_EID_SESSION_TRANSITION = 164,
3411         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3412         WLAN_EID_CLUSTER_REPORT = 166,
3413         WLAN_EID_RELAY_CAP = 167,
3414         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3415         WLAN_EID_BEAM_LINK_MAINT = 169,
3416         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3417         WLAN_EID_U_PID = 171,
3418         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3419         /* 173 reserved for Symbol */
3420         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3421         WLAN_EID_QUIET_PERIOD_REQ = 175,
3422         /* 176 reserved for Symbol */
3423         WLAN_EID_QUIET_PERIOD_RESP = 177,
3424         /* 178-179 reserved for Symbol */
3425         /* 180 reserved for ISO/IEC 20011 */
3426         WLAN_EID_EPAC_POLICY = 182,
3427         WLAN_EID_CLISTER_TIME_OFF = 183,
3428         WLAN_EID_INTER_AC_PRIO = 184,
3429         WLAN_EID_SCS_DESCRIPTOR = 185,
3430         WLAN_EID_QLOAD_REPORT = 186,
3431         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3432         WLAN_EID_HL_STREAM_ID = 188,
3433         WLAN_EID_GCR_GROUP_ADDR = 189,
3434         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3435         WLAN_EID_VHT_CAPABILITY = 191,
3436         WLAN_EID_VHT_OPERATION = 192,
3437         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3438         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3439         WLAN_EID_TX_POWER_ENVELOPE = 195,
3440         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3441         WLAN_EID_AID = 197,
3442         WLAN_EID_QUIET_CHANNEL = 198,
3443         WLAN_EID_OPMODE_NOTIF = 199,
3444
3445         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3446
3447         WLAN_EID_AID_REQUEST = 210,
3448         WLAN_EID_AID_RESPONSE = 211,
3449         WLAN_EID_S1G_BCN_COMPAT = 213,
3450         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3451         WLAN_EID_S1G_TWT = 216,
3452         WLAN_EID_S1G_CAPABILITIES = 217,
3453         WLAN_EID_VENDOR_SPECIFIC = 221,
3454         WLAN_EID_QOS_PARAMETER = 222,
3455         WLAN_EID_S1G_OPERATION = 232,
3456         WLAN_EID_CAG_NUMBER = 237,
3457         WLAN_EID_AP_CSN = 239,
3458         WLAN_EID_FILS_INDICATION = 240,
3459         WLAN_EID_DILS = 241,
3460         WLAN_EID_FRAGMENT = 242,
3461         WLAN_EID_RSNX = 244,
3462         WLAN_EID_EXTENSION = 255
3463 };
3464
3465 /* Element ID Extensions for Element ID 255 */
3466 enum ieee80211_eid_ext {
3467         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3468         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3469         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3470         WLAN_EID_EXT_FILS_SESSION = 4,
3471         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3472         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3473         WLAN_EID_EXT_KEY_DELIVERY = 7,
3474         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3475         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3476         WLAN_EID_EXT_FILS_NONCE = 13,
3477         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3478         WLAN_EID_EXT_HE_CAPABILITY = 35,
3479         WLAN_EID_EXT_HE_OPERATION = 36,
3480         WLAN_EID_EXT_UORA = 37,
3481         WLAN_EID_EXT_HE_MU_EDCA = 38,
3482         WLAN_EID_EXT_HE_SPR = 39,
3483         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3484         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3485         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3486         WLAN_EID_EXT_ESS_REPORT = 45,
3487         WLAN_EID_EXT_OPS = 46,
3488         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3489         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3490         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3491         WLAN_EID_EXT_NON_INHERITANCE = 56,
3492         WLAN_EID_EXT_KNOWN_BSSID = 57,
3493         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3494         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3495         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3496         WLAN_EID_EXT_EHT_OPERATION = 106,
3497         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3498         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3499 };
3500
3501 /* Action category code */
3502 enum ieee80211_category {
3503         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3504         WLAN_CATEGORY_QOS = 1,
3505         WLAN_CATEGORY_DLS = 2,
3506         WLAN_CATEGORY_BACK = 3,
3507         WLAN_CATEGORY_PUBLIC = 4,
3508         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3509         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3510         WLAN_CATEGORY_HT = 7,
3511         WLAN_CATEGORY_SA_QUERY = 8,
3512         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3513         WLAN_CATEGORY_WNM = 10,
3514         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3515         WLAN_CATEGORY_TDLS = 12,
3516         WLAN_CATEGORY_MESH_ACTION = 13,
3517         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3518         WLAN_CATEGORY_SELF_PROTECTED = 15,
3519         WLAN_CATEGORY_DMG = 16,
3520         WLAN_CATEGORY_WMM = 17,
3521         WLAN_CATEGORY_FST = 18,
3522         WLAN_CATEGORY_UNPROT_DMG = 20,
3523         WLAN_CATEGORY_VHT = 21,
3524         WLAN_CATEGORY_S1G = 22,
3525         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3526         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3527 };
3528
3529 /* SPECTRUM_MGMT action code */
3530 enum ieee80211_spectrum_mgmt_actioncode {
3531         WLAN_ACTION_SPCT_MSR_REQ = 0,
3532         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3533         WLAN_ACTION_SPCT_TPC_REQ = 2,
3534         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3535         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3536 };
3537
3538 /* HT action codes */
3539 enum ieee80211_ht_actioncode {
3540         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3541         WLAN_HT_ACTION_SMPS = 1,
3542         WLAN_HT_ACTION_PSMP = 2,
3543         WLAN_HT_ACTION_PCO_PHASE = 3,
3544         WLAN_HT_ACTION_CSI = 4,
3545         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3546         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3547         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3548 };
3549
3550 /* VHT action codes */
3551 enum ieee80211_vht_actioncode {
3552         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3553         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3554         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3555 };
3556
3557 /* Self Protected Action codes */
3558 enum ieee80211_self_protected_actioncode {
3559         WLAN_SP_RESERVED = 0,
3560         WLAN_SP_MESH_PEERING_OPEN = 1,
3561         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3562         WLAN_SP_MESH_PEERING_CLOSE = 3,
3563         WLAN_SP_MGK_INFORM = 4,
3564         WLAN_SP_MGK_ACK = 5,
3565 };
3566
3567 /* Mesh action codes */
3568 enum ieee80211_mesh_actioncode {
3569         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3570         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3571         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3572         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3573         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3574         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3575         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3576         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3577         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3578         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3579         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3580 };
3581
3582 /* Unprotected WNM action codes */
3583 enum ieee80211_unprotected_wnm_actioncode {
3584         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3585         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3586 };
3587
3588 /* Security key length */
3589 enum ieee80211_key_len {
3590         WLAN_KEY_LEN_WEP40 = 5,
3591         WLAN_KEY_LEN_WEP104 = 13,
3592         WLAN_KEY_LEN_CCMP = 16,
3593         WLAN_KEY_LEN_CCMP_256 = 32,
3594         WLAN_KEY_LEN_TKIP = 32,
3595         WLAN_KEY_LEN_AES_CMAC = 16,
3596         WLAN_KEY_LEN_SMS4 = 32,
3597         WLAN_KEY_LEN_GCMP = 16,
3598         WLAN_KEY_LEN_GCMP_256 = 32,
3599         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3600         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3601         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3602 };
3603
3604 enum ieee80211_s1g_actioncode {
3605         WLAN_S1G_AID_SWITCH_REQUEST,
3606         WLAN_S1G_AID_SWITCH_RESPONSE,
3607         WLAN_S1G_SYNC_CONTROL,
3608         WLAN_S1G_STA_INFO_ANNOUNCE,
3609         WLAN_S1G_EDCA_PARAM_SET,
3610         WLAN_S1G_EL_OPERATION,
3611         WLAN_S1G_TWT_SETUP,
3612         WLAN_S1G_TWT_TEARDOWN,
3613         WLAN_S1G_SECT_GROUP_ID_LIST,
3614         WLAN_S1G_SECT_ID_FEEDBACK,
3615         WLAN_S1G_TWT_INFORMATION = 11,
3616 };
3617
3618 #define IEEE80211_WEP_IV_LEN            4
3619 #define IEEE80211_WEP_ICV_LEN           4
3620 #define IEEE80211_CCMP_HDR_LEN          8
3621 #define IEEE80211_CCMP_MIC_LEN          8
3622 #define IEEE80211_CCMP_PN_LEN           6
3623 #define IEEE80211_CCMP_256_HDR_LEN      8
3624 #define IEEE80211_CCMP_256_MIC_LEN      16
3625 #define IEEE80211_CCMP_256_PN_LEN       6
3626 #define IEEE80211_TKIP_IV_LEN           8
3627 #define IEEE80211_TKIP_ICV_LEN          4
3628 #define IEEE80211_CMAC_PN_LEN           6
3629 #define IEEE80211_GMAC_PN_LEN           6
3630 #define IEEE80211_GCMP_HDR_LEN          8
3631 #define IEEE80211_GCMP_MIC_LEN          16
3632 #define IEEE80211_GCMP_PN_LEN           6
3633
3634 #define FILS_NONCE_LEN                  16
3635 #define FILS_MAX_KEK_LEN                64
3636
3637 #define FILS_ERP_MAX_USERNAME_LEN       16
3638 #define FILS_ERP_MAX_REALM_LEN          253
3639 #define FILS_ERP_MAX_RRK_LEN            64
3640
3641 #define PMK_MAX_LEN                     64
3642 #define SAE_PASSWORD_MAX_LEN            128
3643
3644 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3645 enum ieee80211_pub_actioncode {
3646         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3647         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3648         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3649         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3650         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3651         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3652         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3653         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3654         WLAN_PUB_ACTION_DSE_PC = 8,
3655         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3656         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3657         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3658         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3659         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3660         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3661         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3662         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3663         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3664         WLAN_PUB_ACTION_QMF_POLICY = 18,
3665         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3666         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3667         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3668         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3669         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3670         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3671         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3672         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3673         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3674         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3675         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3676         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3677         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3678         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3679         WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3680         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3681 };
3682
3683 /* TDLS action codes */
3684 enum ieee80211_tdls_actioncode {
3685         WLAN_TDLS_SETUP_REQUEST = 0,
3686         WLAN_TDLS_SETUP_RESPONSE = 1,
3687         WLAN_TDLS_SETUP_CONFIRM = 2,
3688         WLAN_TDLS_TEARDOWN = 3,
3689         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3690         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3691         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3692         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3693         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3694         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3695         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3696 };
3697
3698 /* Extended Channel Switching capability to be set in the 1st byte of
3699  * the @WLAN_EID_EXT_CAPABILITY information element
3700  */
3701 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3702
3703 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3704  * @WLAN_EID_EXT_CAPABILITY information element
3705  */
3706 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3707
3708 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3709  * of the @WLAN_EID_EXT_CAPABILITY information element
3710  */
3711 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3712
3713 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3714 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3715 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3716 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3717
3718 /* Interworking capabilities are set in 7th bit of 4th byte of the
3719  * @WLAN_EID_EXT_CAPABILITY information element
3720  */
3721 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3722
3723 /*
3724  * TDLS capabililites to be enabled in the 5th byte of the
3725  * @WLAN_EID_EXT_CAPABILITY information element
3726  */
3727 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3728 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3729 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3730
3731 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3732 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3733
3734 /* Defines the maximal number of MSDUs in an A-MSDU. */
3735 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3736 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3737
3738 /*
3739  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3740  * information element
3741  */
3742 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3743
3744 /* Defines support for TWT Requester and TWT Responder */
3745 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3746 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3747
3748 /*
3749  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3750  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3751  * 26-tone RU UL OFDMA transmissions as radar pulses).
3752  */
3753 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3754
3755 /* Defines support for enhanced multi-bssid advertisement*/
3756 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3757
3758 /* TDLS specific payload type in the LLC/SNAP header */
3759 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3760
3761 /* BSS Coex IE information field bits */
3762 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3763
3764 /**
3765  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3766  *
3767  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3768  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3769  *      that will be specified in a vendor specific information element
3770  */
3771 enum ieee80211_mesh_sync_method {
3772         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3773         IEEE80211_SYNC_METHOD_VENDOR = 255,
3774 };
3775
3776 /**
3777  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3778  *
3779  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3780  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3781  *      be specified in a vendor specific information element
3782  */
3783 enum ieee80211_mesh_path_protocol {
3784         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3785         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3786 };
3787
3788 /**
3789  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3790  *
3791  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3792  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3793  *      specified in a vendor specific information element
3794  */
3795 enum ieee80211_mesh_path_metric {
3796         IEEE80211_PATH_METRIC_AIRTIME = 1,
3797         IEEE80211_PATH_METRIC_VENDOR = 255,
3798 };
3799
3800 /**
3801  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3802  *
3803  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3804  *
3805  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3806  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3807  *      this value
3808  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3809  *      the proactive PREQ with proactive PREP subfield set to 0
3810  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3811  *      supports the proactive PREQ with proactive PREP subfield set to 1
3812  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3813  *      the proactive RANN
3814  */
3815 enum ieee80211_root_mode_identifier {
3816         IEEE80211_ROOTMODE_NO_ROOT = 0,
3817         IEEE80211_ROOTMODE_ROOT = 1,
3818         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3819         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3820         IEEE80211_PROACTIVE_RANN = 4,
3821 };
3822
3823 /*
3824  * IEEE 802.11-2007 7.3.2.9 Country information element
3825  *
3826  * Minimum length is 8 octets, ie len must be evenly
3827  * divisible by 2
3828  */
3829
3830 /* Although the spec says 8 I'm seeing 6 in practice */
3831 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3832
3833 /* The Country String field of the element shall be 3 octets in length */
3834 #define IEEE80211_COUNTRY_STRING_LEN    3
3835
3836 /*
3837  * For regulatory extension stuff see IEEE 802.11-2007
3838  * Annex I (page 1141) and Annex J (page 1147). Also
3839  * review 7.3.2.9.
3840  *
3841  * When dot11RegulatoryClassesRequired is true and the
3842  * first_channel/reg_extension_id is >= 201 then the IE
3843  * compromises of the 'ext' struct represented below:
3844  *
3845  *  - Regulatory extension ID - when generating IE this just needs
3846  *    to be monotonically increasing for each triplet passed in
3847  *    the IE
3848  *  - Regulatory class - index into set of rules
3849  *  - Coverage class - index into air propagation time (Table 7-27),
3850  *    in microseconds, you can compute the air propagation time from
3851  *    the index by multiplying by 3, so index 10 yields a propagation
3852  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3853  *    yet. A value of 0 inicates air propagation of <= 1 us.
3854  *
3855  *  See also Table I.2 for Emission limit sets and table
3856  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3857  *  a reg_class to an emission limit set and behavior limit set.
3858  */
3859 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3860
3861 /*
3862  *  Channels numbers in the IE must be monotonically increasing
3863  *  if dot11RegulatoryClassesRequired is not true.
3864  *
3865  *  If dot11RegulatoryClassesRequired is true consecutive
3866  *  subband triplets following a regulatory triplet shall
3867  *  have monotonically increasing first_channel number fields.
3868  *
3869  *  Channel numbers shall not overlap.
3870  *
3871  *  Note that max_power is signed.
3872  */
3873 struct ieee80211_country_ie_triplet {
3874         union {
3875                 struct {
3876                         u8 first_channel;
3877                         u8 num_channels;
3878                         s8 max_power;
3879                 } __packed chans;
3880                 struct {
3881                         u8 reg_extension_id;
3882                         u8 reg_class;
3883                         u8 coverage_class;
3884                 } __packed ext;
3885         };
3886 } __packed;
3887
3888 enum ieee80211_timeout_interval_type {
3889         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3890         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3891         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3892 };
3893
3894 /**
3895  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3896  * @type: type, see &enum ieee80211_timeout_interval_type
3897  * @value: timeout interval value
3898  */
3899 struct ieee80211_timeout_interval_ie {
3900         u8 type;
3901         __le32 value;
3902 } __packed;
3903
3904 /**
3905  * enum ieee80211_idle_options - BSS idle options
3906  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3907  *      protected frame to the AP to reset the idle timer at the AP for
3908  *      the station.
3909  */
3910 enum ieee80211_idle_options {
3911         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3912 };
3913
3914 /**
3915  * struct ieee80211_bss_max_idle_period_ie
3916  *
3917  * This structure refers to "BSS Max idle period element"
3918  *
3919  * @max_idle_period: indicates the time period during which a station can
3920  *      refrain from transmitting frames to its associated AP without being
3921  *      disassociated. In units of 1000 TUs.
3922  * @idle_options: indicates the options associated with the BSS idle capability
3923  *      as specified in &enum ieee80211_idle_options.
3924  */
3925 struct ieee80211_bss_max_idle_period_ie {
3926         __le16 max_idle_period;
3927         u8 idle_options;
3928 } __packed;
3929
3930 /* BACK action code */
3931 enum ieee80211_back_actioncode {
3932         WLAN_ACTION_ADDBA_REQ = 0,
3933         WLAN_ACTION_ADDBA_RESP = 1,
3934         WLAN_ACTION_DELBA = 2,
3935 };
3936
3937 /* BACK (block-ack) parties */
3938 enum ieee80211_back_parties {
3939         WLAN_BACK_RECIPIENT = 0,
3940         WLAN_BACK_INITIATOR = 1,
3941 };
3942
3943 /* SA Query action */
3944 enum ieee80211_sa_query_action {
3945         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3946         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3947 };
3948
3949 /**
3950  * struct ieee80211_bssid_index
3951  *
3952  * This structure refers to "Multiple BSSID-index element"
3953  *
3954  * @bssid_index: BSSID index
3955  * @dtim_period: optional, overrides transmitted BSS dtim period
3956  * @dtim_count: optional, overrides transmitted BSS dtim count
3957  */
3958 struct ieee80211_bssid_index {
3959         u8 bssid_index;
3960         u8 dtim_period;
3961         u8 dtim_count;
3962 };
3963
3964 /**
3965  * struct ieee80211_multiple_bssid_configuration
3966  *
3967  * This structure refers to "Multiple BSSID Configuration element"
3968  *
3969  * @bssid_count: total number of active BSSIDs in the set
3970  * @profile_periodicity: the least number of beacon frames need to be received
3971  *      in order to discover all the nontransmitted BSSIDs in the set.
3972  */
3973 struct ieee80211_multiple_bssid_configuration {
3974         u8 bssid_count;
3975         u8 profile_periodicity;
3976 };
3977
3978 #define SUITE(oui, id) (((oui) << 8) | (id))
3979
3980 /* cipher suite selectors */
3981 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3982 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3983 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3984 /* reserved:                            SUITE(0x000FAC, 3) */
3985 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3986 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3987 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3988 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3989 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3990 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3991 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3992 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3993 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3994
3995 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3996
3997 /* AKM suite selectors */
3998 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3999 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
4000 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
4001 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
4002 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
4003 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
4004 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
4005 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
4006 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
4007 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
4008 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
4009 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
4010 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
4011 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
4012 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
4013 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
4014 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
4015 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
4016 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
4017 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
4018
4019 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
4020
4021 #define WLAN_MAX_KEY_LEN                32
4022
4023 #define WLAN_PMK_NAME_LEN               16
4024 #define WLAN_PMKID_LEN                  16
4025 #define WLAN_PMK_LEN_EAP_LEAP           16
4026 #define WLAN_PMK_LEN                    32
4027 #define WLAN_PMK_LEN_SUITE_B_192        48
4028
4029 #define WLAN_OUI_WFA                    0x506f9a
4030 #define WLAN_OUI_TYPE_WFA_P2P           9
4031 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
4032 #define WLAN_OUI_MICROSOFT              0x0050f2
4033 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
4034 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
4035 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
4036 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
4037
4038 /*
4039  * WMM/802.11e Tspec Element
4040  */
4041 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4042 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4043
4044 enum ieee80211_tspec_status_code {
4045         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4046         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4047 };
4048
4049 struct ieee80211_tspec_ie {
4050         u8 element_id;
4051         u8 len;
4052         u8 oui[3];
4053         u8 oui_type;
4054         u8 oui_subtype;
4055         u8 version;
4056         __le16 tsinfo;
4057         u8 tsinfo_resvd;
4058         __le16 nominal_msdu;
4059         __le16 max_msdu;
4060         __le32 min_service_int;
4061         __le32 max_service_int;
4062         __le32 inactivity_int;
4063         __le32 suspension_int;
4064         __le32 service_start_time;
4065         __le32 min_data_rate;
4066         __le32 mean_data_rate;
4067         __le32 peak_data_rate;
4068         __le32 max_burst_size;
4069         __le32 delay_bound;
4070         __le32 min_phy_rate;
4071         __le16 sba;
4072         __le16 medium_time;
4073 } __packed;
4074
4075 struct ieee80211_he_6ghz_capa {
4076         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4077         __le16 capa;
4078 } __packed;
4079
4080 /* HE 6 GHz band capabilities */
4081 /* uses enum ieee80211_min_mpdu_spacing values */
4082 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4083 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4084 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4085 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4086 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4087 /* WLAN_HT_CAP_SM_PS_* values */
4088 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4089 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4090 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4091 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4092
4093 /**
4094  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4095  * @hdr: the frame
4096  *
4097  * The qos ctrl bytes come after the frame_control, duration, seq_num
4098  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4099  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4100  */
4101 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4102 {
4103         union {
4104                 struct ieee80211_qos_hdr        addr3;
4105                 struct ieee80211_qos_hdr_4addr  addr4;
4106         } *qos;
4107
4108         qos = (void *)hdr;
4109         if (ieee80211_has_a4(qos->addr3.frame_control))
4110                 return (u8 *)&qos->addr4.qos_ctrl;
4111         else
4112                 return (u8 *)&qos->addr3.qos_ctrl;
4113 }
4114
4115 /**
4116  * ieee80211_get_tid - get qos TID
4117  * @hdr: the frame
4118  */
4119 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4120 {
4121         u8 *qc = ieee80211_get_qos_ctl(hdr);
4122
4123         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4124 }
4125
4126 /**
4127  * ieee80211_get_SA - get pointer to SA
4128  * @hdr: the frame
4129  *
4130  * Given an 802.11 frame, this function returns the offset
4131  * to the source address (SA). It does not verify that the
4132  * header is long enough to contain the address, and the
4133  * header must be long enough to contain the frame control
4134  * field.
4135  */
4136 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4137 {
4138         if (ieee80211_has_a4(hdr->frame_control))
4139                 return hdr->addr4;
4140         if (ieee80211_has_fromds(hdr->frame_control))
4141                 return hdr->addr3;
4142         return hdr->addr2;
4143 }
4144
4145 /**
4146  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4147  * @skb: the skb to check, starting with the 802.11 header
4148  */
4149 static inline bool ieee80211_is_bufferable_mmpdu(struct ieee80211_hdr *hdr, size_t len)
4150 {
4151         struct ieee80211_mgmt *mgmt = (void *)hdr;
4152         __le16 fc = mgmt->frame_control;
4153
4154         /*
4155          * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4156          * note that this ignores the IBSS special case.
4157          */
4158         if (!ieee80211_is_mgmt(fc))
4159                 return false;
4160
4161         if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4162                 return true;
4163
4164         if (!ieee80211_is_action(fc))
4165                 return false;
4166
4167         if (len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4168                 return true;
4169
4170         /* action frame - additionally check for non-bufferable FTM */
4171
4172         if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4173             mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4174                 return true;
4175
4176         if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4177             mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4178                 return false;
4179
4180         return true;
4181 }
4182
4183 /**
4184  * ieee80211_get_DA - get pointer to DA
4185  * @hdr: the frame
4186  *
4187  * Given an 802.11 frame, this function returns the offset
4188  * to the destination address (DA). It does not verify that
4189  * the header is long enough to contain the address, and the
4190  * header must be long enough to contain the frame control
4191  * field.
4192  */
4193 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4194 {
4195         if (ieee80211_has_tods(hdr->frame_control))
4196                 return hdr->addr3;
4197         else
4198                 return hdr->addr1;
4199 }
4200
4201 /**
4202  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4203  * @hdr: the frame (buffer must include at least the first octet of payload)
4204  */
4205 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4206 {
4207         if (ieee80211_is_disassoc(hdr->frame_control) ||
4208             ieee80211_is_deauth(hdr->frame_control))
4209                 return true;
4210
4211         if (ieee80211_is_action(hdr->frame_control)) {
4212                 u8 *category;
4213
4214                 /*
4215                  * Action frames, excluding Public Action frames, are Robust
4216                  * Management Frames. However, if we are looking at a Protected
4217                  * frame, skip the check since the data may be encrypted and
4218                  * the frame has already been found to be a Robust Management
4219                  * Frame (by the other end).
4220                  */
4221                 if (ieee80211_has_protected(hdr->frame_control))
4222                         return true;
4223                 category = ((u8 *) hdr) + 24;
4224                 return *category != WLAN_CATEGORY_PUBLIC &&
4225                         *category != WLAN_CATEGORY_HT &&
4226                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4227                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4228                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4229                         *category != WLAN_CATEGORY_VHT &&
4230                         *category != WLAN_CATEGORY_S1G &&
4231                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4232         }
4233
4234         return false;
4235 }
4236
4237 /**
4238  * ieee80211_is_public_action - check if frame is a public action frame
4239  * @hdr: the frame
4240  * @len: length of the frame
4241  */
4242 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4243                                               size_t len)
4244 {
4245         struct ieee80211_mgmt *mgmt = (void *)hdr;
4246
4247         if (len < IEEE80211_MIN_ACTION_SIZE)
4248                 return false;
4249         if (!ieee80211_is_action(hdr->frame_control))
4250                 return false;
4251         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4252 }
4253
4254 static inline bool is_multicast_ether_addr(const u8 *a)
4255 {
4256         return 0x01 & a[0];
4257 }
4258
4259 /**
4260  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4261  * privacy action frame
4262  * @hdr: the frame
4263  */
4264 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4265 {
4266         struct ieee80211_mgmt *mgmt = (void *)hdr;
4267
4268         if (!ieee80211_is_action(hdr->frame_control) ||
4269             !is_multicast_ether_addr(hdr->addr1))
4270                 return false;
4271
4272         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4273                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4274 }
4275
4276 /**
4277  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4278  * @tu: the TUs
4279  */
4280 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4281 {
4282         return 1024 * tu;
4283 }
4284
4285 /**
4286  * ieee80211_check_tim - check if AID bit is set in TIM
4287  * @tim: the TIM IE
4288  * @tim_len: length of the TIM IE
4289  * @aid: the AID to look for
4290  */
4291 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4292                                        u8 tim_len, u16 aid)
4293 {
4294         u8 mask;
4295         u8 indexn0, indexn1, indexn2;
4296
4297         if (unlikely(!tim || tim_len < sizeof(*tim)))
4298                 return false;
4299
4300         aid &= 0x3fff;
4301         indexn0 = aid / 8;
4302         mask  = 1 << (aid & 7);
4303
4304         indexn1 = tim->bitmap_ctrl & 0xfe;
4305         indexn2 = tim_len + indexn1 - 4;
4306
4307         if (indexn0 < indexn1 || indexn0 > indexn2)
4308                 return false;
4309
4310         indexn0 -= indexn1;
4311
4312         return !!(tim->virtual_map[indexn0] & mask);
4313 }
4314
4315 /* convert time units */
4316 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
4317 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
4318
4319 static inline bool ieee80211_is_timing_measurement(struct ieee80211_hdr *hdr, size_t len)
4320 {
4321         struct ieee80211_mgmt *mgmt = (void *)hdr;
4322
4323         if (len < IEEE80211_MIN_ACTION_SIZE)
4324                 return false;
4325
4326         if (!ieee80211_is_action(hdr->frame_control))
4327                 return false;
4328
4329         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4330             mgmt->u.action.u.wnm_timing_msr.action_code ==
4331                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4332             len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4333                 return true;
4334
4335         return false;
4336 }
4337
4338 static inline bool ieee80211_is_ftm(struct ieee80211_hdr *hdr, size_t len)
4339 {
4340         struct ieee80211_mgmt *mgmt = (void *)hdr;
4341
4342         if (!ieee80211_is_public_action((void *)mgmt, len))
4343                 return false;
4344
4345         if (mgmt->u.action.u.ftm.action_code ==
4346                 WLAN_PUB_ACTION_FTM_RESPONSE &&
4347             len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4348                 return true;
4349
4350         return false;
4351 }
4352
4353 struct element {
4354         u8 id;
4355         u8 datalen;
4356         u8 data[];
4357 } __packed;
4358
4359 /* element iteration helpers */
4360 #define for_each_element(_elem, _data, _datalen)                        \
4361         for (_elem = (const struct element *)(_data);                   \
4362              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4363                 (int)sizeof(*_elem) &&                                  \
4364              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4365                 (int)sizeof(*_elem) + _elem->datalen;                   \
4366              _elem = (const struct element *)(_elem->data + _elem->datalen))
4367
4368 #define for_each_element_id(element, _id, data, datalen)                \
4369         for_each_element(element, data, datalen)                        \
4370                 if (element->id == (_id))
4371
4372 #define for_each_element_extid(element, extid, _data, _datalen)         \
4373         for_each_element(element, _data, _datalen)                      \
4374                 if (element->id == WLAN_EID_EXTENSION &&                \
4375                     element->datalen > 0 &&                             \
4376                     element->data[0] == (extid))
4377
4378 #define for_each_subelement(sub, element)                               \
4379         for_each_element(sub, (element)->data, (element)->datalen)
4380
4381 #define for_each_subelement_id(sub, id, element)                        \
4382         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4383
4384 #define for_each_subelement_extid(sub, extid, element)                  \
4385         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4386
4387 /* convert frequencies */
4388 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4389 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4390 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4391 #define KHZ_F "%d.%03d"
4392
4393 /* convert powers */
4394 #define DBI_TO_MBI(gain) ((gain) * 100)
4395 #define MBI_TO_DBI(gain) ((gain) / 100)
4396 #define DBM_TO_MBM(gain) ((gain) * 100)
4397 #define MBM_TO_DBM(gain) ((gain) / 100)
4398
4399 /**
4400  * for_each_element_completed - determine if element parsing consumed all data
4401  * @element: element pointer after for_each_element() or friends
4402  * @data: same data pointer as passed to for_each_element() or friends
4403  * @datalen: same data length as passed to for_each_element() or friends
4404  *
4405  * This function returns %true if all the data was parsed or considered
4406  * while walking the elements. Only use this if your for_each_element()
4407  * loop cannot be broken out of, otherwise it always returns %false.
4408  *
4409  * If some data was malformed, this returns %false since the last parsed
4410  * element will not fill the whole remaining data.
4411  */
4412 static inline bool for_each_element_completed(const struct element *element,
4413                                               const void *data, size_t datalen)
4414 {
4415         return (const u8 *)element == (const u8 *)data + datalen;
4416 }
4417
4418 /**
4419  * RSNX Capabilities:
4420  * bits 0-3: Field length (n-1)
4421  */
4422 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4423 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4424
4425 /*
4426  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4427  * section 9.4.2.170 and accepted contributions.
4428  */
4429 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4430 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4431 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4432 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4433 #define IEEE80211_TBTT_INFO_TYPE_TBTT                           0
4434 #define IEEE80211_TBTT_INFO_TYPE_MLD                            1
4435
4436 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4437 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4438 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4439 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4440 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4441 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4442 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4443
4444 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT                  127
4445 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED                  -128
4446
4447 struct ieee80211_neighbor_ap_info {
4448         u8 tbtt_info_hdr;
4449         u8 tbtt_info_len;
4450         u8 op_class;
4451         u8 channel;
4452 } __packed;
4453
4454 enum ieee80211_range_params_max_total_ltf {
4455         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4456         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4457         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4458         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4459 };
4460
4461 /*
4462  * reduced neighbor report, based on Draft P802.11be_D3.0,
4463  * section 9.4.2.170.2.
4464  */
4465 struct ieee80211_rnr_mld_params {
4466         u8 mld_id;
4467         __le16 params;
4468 } __packed;
4469
4470 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID                        0x000F
4471 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT               0x0FF0
4472 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED               0x1000
4473 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK                  0x2000
4474
4475 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4476 struct ieee80211_tbtt_info_7_8_9 {
4477         u8 tbtt_offset;
4478         u8 bssid[6];
4479
4480         /* The following element is optional, structure may not grow */
4481         u8 bss_params;
4482         s8 psd_20;
4483 } __packed;
4484
4485 /* Format of the TBTT information element if it has >= 11 bytes */
4486 struct ieee80211_tbtt_info_ge_11 {
4487         u8 tbtt_offset;
4488         u8 bssid[6];
4489         __le32 short_ssid;
4490
4491         /* The following elements are optional, structure may grow */
4492         u8 bss_params;
4493         s8 psd_20;
4494         struct ieee80211_rnr_mld_params mld_params;
4495 } __packed;
4496
4497 /* multi-link device */
4498 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4499
4500 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4501 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4502 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4503 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4504 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4505 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4506 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4507
4508 struct ieee80211_multi_link_elem {
4509         __le16 control;
4510         u8 variable[];
4511 } __packed;
4512
4513 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4514 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4515 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4516 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4517 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4518 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4519
4520 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4521 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4522 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4523
4524 /*
4525  * Described in P802.11be_D3.0
4526  * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4527  * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4528  * dot11MSDTXOPMAX defaults to 1
4529  */
4530 #define IEEE80211_MED_SYNC_DELAY_DEFAULT                0x10ac
4531
4532 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4533 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4534 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4535 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4536 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4537 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4538 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4539 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4540 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4541 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4542 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4543 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4544 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4545 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4546 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4547 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4548 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4549 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4550 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4551 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4552 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4553 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4554 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4555 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4556 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4557 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4558 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4559 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4560 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4561 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4562 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4563 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4564 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4565 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4566
4567 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4568 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4569 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4570 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4571 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4572
4573 struct ieee80211_mle_basic_common_info {
4574         u8 len;
4575         u8 mld_mac_addr[6];
4576         u8 variable[];
4577 } __packed;
4578
4579 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4580
4581 struct ieee80211_mle_preq_common_info {
4582         u8 len;
4583         u8 variable[];
4584 } __packed;
4585
4586 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4587
4588 /* no fixed fields in RECONF */
4589
4590 struct ieee80211_mle_tdls_common_info {
4591         u8 len;
4592         u8 ap_mld_mac_addr[6];
4593 } __packed;
4594
4595 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4596
4597 /* no fixed fields in PRIO_ACCESS */
4598
4599 /**
4600  * ieee80211_mle_common_size - check multi-link element common size
4601  * @data: multi-link element, must already be checked for size using
4602  *      ieee80211_mle_size_ok()
4603  */
4604 static inline u8 ieee80211_mle_common_size(const u8 *data)
4605 {
4606         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4607         u16 control = le16_to_cpu(mle->control);
4608         u8 common = 0;
4609
4610         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4611         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4612         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4613         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4614         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4615                 /*
4616                  * The length is the first octet pointed by mle->variable so no
4617                  * need to add anything
4618                  */
4619                 break;
4620         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4621                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4622                         common += 6;
4623                 return common;
4624         default:
4625                 return 0;
4626         }
4627
4628         return sizeof(*mle) + common + mle->variable[0];
4629 }
4630
4631 /**
4632  * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
4633  * @mle: the basic multi link element
4634  *
4635  * The element is assumed to be of the correct type (BASIC) and big enough,
4636  * this must be checked using ieee80211_mle_type_ok().
4637  *
4638  * If the BSS parameter change count value can't be found (the presence bit
4639  * for it is clear), 0 will be returned.
4640  */
4641 static inline u8
4642 ieee80211_mle_get_bss_param_ch_cnt(const struct ieee80211_multi_link_elem *mle)
4643 {
4644         u16 control = le16_to_cpu(mle->control);
4645         const u8 *common = mle->variable;
4646
4647         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4648         common += sizeof(struct ieee80211_mle_basic_common_info);
4649
4650         if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
4651                 return 0;
4652
4653         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4654                 common += 1;
4655
4656         return *common;
4657 }
4658
4659 /**
4660  * ieee80211_mle_get_eml_sync_delay - returns the medium sync delay
4661  * @data: pointer to the multi link EHT IE
4662  *
4663  * The element is assumed to be of the correct type (BASIC) and big enough,
4664  * this must be checked using ieee80211_mle_type_ok().
4665  *
4666  * If the medium synchronization is not present, then the default value is
4667  * returned.
4668  */
4669 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
4670 {
4671         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4672         u16 control = le16_to_cpu(mle->control);
4673         const u8 *common = mle->variable;
4674
4675         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4676         common += sizeof(struct ieee80211_mle_basic_common_info);
4677
4678         if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
4679                 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
4680
4681         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4682                 common += 1;
4683         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4684                 common += 1;
4685
4686         return get_unaligned_le16(common);
4687 }
4688
4689 /**
4690  * ieee80211_mle_get_eml_cap - returns the EML capability
4691  * @data: pointer to the multi link EHT IE
4692  *
4693  * The element is assumed to be of the correct type (BASIC) and big enough,
4694  * this must be checked using ieee80211_mle_type_ok().
4695  *
4696  * If the EML capability is not present, 0 will be returned.
4697  */
4698 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
4699 {
4700         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4701         u16 control = le16_to_cpu(mle->control);
4702         const u8 *common = mle->variable;
4703
4704         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4705         common += sizeof(struct ieee80211_mle_basic_common_info);
4706
4707         if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
4708                 return 0;
4709
4710         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4711                 common += 1;
4712         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4713                 common += 1;
4714         if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4715                 common += 2;
4716
4717         return get_unaligned_le16(common);
4718 }
4719
4720 /**
4721  * ieee80211_mle_size_ok - validate multi-link element size
4722  * @data: pointer to the element data
4723  * @len: length of the containing element
4724  */
4725 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4726 {
4727         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4728         u8 fixed = sizeof(*mle);
4729         u8 common = 0;
4730         bool check_common_len = false;
4731         u16 control;
4732
4733         if (len < fixed)
4734                 return false;
4735
4736         control = le16_to_cpu(mle->control);
4737
4738         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4739         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4740                 common += sizeof(struct ieee80211_mle_basic_common_info);
4741                 check_common_len = true;
4742                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4743                         common += 1;
4744                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4745                         common += 1;
4746                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4747                         common += 2;
4748                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4749                         common += 2;
4750                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4751                         common += 2;
4752                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4753                         common += 1;
4754                 break;
4755         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4756                 common += sizeof(struct ieee80211_mle_preq_common_info);
4757                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4758                         common += 1;
4759                 check_common_len = true;
4760                 break;
4761         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4762                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4763                         common += 6;
4764                 break;
4765         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4766                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4767                 check_common_len = true;
4768                 break;
4769         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4770                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4771                         common += 6;
4772                 break;
4773         default:
4774                 /* we don't know this type */
4775                 return true;
4776         }
4777
4778         if (len < fixed + common)
4779                 return false;
4780
4781         if (!check_common_len)
4782                 return true;
4783
4784         /* if present, common length is the first octet there */
4785         return mle->variable[0] >= common;
4786 }
4787
4788 /**
4789  * ieee80211_mle_type_ok - validate multi-link element type and size
4790  * @data: pointer to the element data
4791  * @type: expected type of the element
4792  * @len: length of the containing element
4793  */
4794 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
4795 {
4796         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4797         u16 control;
4798
4799         if (!ieee80211_mle_size_ok(data, len))
4800                 return false;
4801
4802         control = le16_to_cpu(mle->control);
4803
4804         if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
4805                 return true;
4806
4807         return false;
4808 }
4809
4810 enum ieee80211_mle_subelems {
4811         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4812         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
4813 };
4814
4815 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4816 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4817 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4818 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4819 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4820 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4821 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4822 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4823 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4824
4825 struct ieee80211_mle_per_sta_profile {
4826         __le16 control;
4827         u8 sta_info_len;
4828         u8 variable[];
4829 } __packed;
4830
4831 /**
4832  * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
4833  *      profile size
4834  * @data: pointer to the sub element data
4835  * @len: length of the containing sub element
4836  */
4837 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
4838                                                         size_t len)
4839 {
4840         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4841         u16 control;
4842         u8 fixed = sizeof(*prof);
4843         u8 info_len = 1;
4844
4845         if (len < fixed)
4846                 return false;
4847
4848         control = le16_to_cpu(prof->control);
4849
4850         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4851                 info_len += 6;
4852         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4853                 info_len += 2;
4854         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4855                 info_len += 8;
4856         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4857                 info_len += 2;
4858         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4859             control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
4860                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4861                         info_len += 2;
4862                 else
4863                         info_len += 1;
4864         }
4865         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4866                 info_len += 1;
4867
4868         return prof->sta_info_len >= info_len &&
4869                fixed + prof->sta_info_len <= len;
4870 }
4871
4872 /**
4873  * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
4874  *      parameter change count
4875  * @prof: the per-STA profile, having been checked with
4876  *      ieee80211_mle_basic_sta_prof_size_ok() for the correct length
4877  *
4878  * Return: The BSS parameter change count value if present, 0 otherwise.
4879  */
4880 static inline u8
4881 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
4882 {
4883         u16 control = le16_to_cpu(prof->control);
4884         const u8 *pos = prof->variable;
4885
4886         if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
4887                 return 0;
4888
4889         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4890                 pos += 6;
4891         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4892                 pos += 2;
4893         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4894                 pos += 8;
4895         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4896                 pos += 2;
4897         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4898             control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
4899                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4900                         pos += 2;
4901                 else
4902                         pos += 1;
4903         }
4904
4905         return *pos;
4906 }
4907
4908 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID                        0x000f
4909 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE               0x0010
4910 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT           0x0020
4911 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT           0x0040
4912 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE          0x0780
4913 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT       0x0800
4914
4915 /**
4916  * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
4917  *      element sta profile size.
4918  * @data: pointer to the sub element data
4919  * @len: length of the containing sub element
4920  */
4921 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
4922                                                          size_t len)
4923 {
4924         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4925         u16 control;
4926         u8 fixed = sizeof(*prof);
4927         u8 info_len = 1;
4928
4929         if (len < fixed)
4930                 return false;
4931
4932         control = le16_to_cpu(prof->control);
4933
4934         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
4935                 info_len += 6;
4936         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
4937                 info_len += 2;
4938         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
4939                 info_len += 2;
4940
4941         return prof->sta_info_len >= info_len &&
4942                ((size_t)(fixed + prof->sta_info_len - 1) <= len);
4943 }
4944
4945 #define for_each_mle_subelement(_elem, _data, _len)                     \
4946         if (ieee80211_mle_size_ok(_data, _len))                         \
4947                 for_each_element(_elem,                                 \
4948                                  _data + ieee80211_mle_common_size(_data),\
4949                                  _len - ieee80211_mle_common_size(_data))
4950
4951 #endif /* __LINUX_IEEE80211_H */