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 - 2024 Intel Corporation
  13  */
  14
  15 #ifndef LINUX_IEEE80211_H
  16 #define LINUX_IEEE80211_H
  17
  18 #include <linux/types.h>
  19 #include <linux/if_ether.h>
  20 #include <linux/etherdevice.h>
  21 #include <linux/bitfield.h>
  22 #include <asm/byteorder.h>
  23 #include <asm/unaligned.h>
  24
  25 /*
  26  * DS bit usage
  27  *
  28  * TA = transmitter address
  29  * RA = receiver address
  30  * DA = destination address
  31  * SA = source address
  32  *
  33  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  34  * -----------------------------------------------------------------
  35  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  36  *  0       1       DA      BSSID   SA      -       AP -> STA
  37  *  1       0       BSSID   SA      DA      -       AP <- STA
  38  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  39  */
  40
  41 #define FCS_LEN 4
  42
  43 #define IEEE80211_FCTL_VERS             0x0003
  44 #define IEEE80211_FCTL_FTYPE            0x000c
  45 #define IEEE80211_FCTL_STYPE            0x00f0
  46 #define IEEE80211_FCTL_TODS             0x0100
  47 #define IEEE80211_FCTL_FROMDS           0x0200
  48 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  49 #define IEEE80211_FCTL_RETRY            0x0800
  50 #define IEEE80211_FCTL_PM               0x1000
  51 #define IEEE80211_FCTL_MOREDATA         0x2000
  52 #define IEEE80211_FCTL_PROTECTED        0x4000
  53 #define IEEE80211_FCTL_ORDER            0x8000
  54 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  55
  56 #define IEEE80211_SCTL_FRAG             0x000F
  57 #define IEEE80211_SCTL_SEQ              0xFFF0
  58
  59 #define IEEE80211_FTYPE_MGMT            0x0000
  60 #define IEEE80211_FTYPE_CTL             0x0004
  61 #define IEEE80211_FTYPE_DATA            0x0008
  62 #define IEEE80211_FTYPE_EXT             0x000c
  63
  64 /* management */
  65 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  66 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  67 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  68 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  69 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  70 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  71 #define IEEE80211_STYPE_BEACON          0x0080
  72 #define IEEE80211_STYPE_ATIM            0x0090
  73 #define IEEE80211_STYPE_DISASSOC        0x00A0
  74 #define IEEE80211_STYPE_AUTH            0x00B0
  75 #define IEEE80211_STYPE_DEAUTH          0x00C0
  76 #define IEEE80211_STYPE_ACTION          0x00D0
  77
  78 /* control */
  79 #define IEEE80211_STYPE_TRIGGER         0x0020
  80 #define IEEE80211_STYPE_CTL_EXT         0x0060
  81 #define IEEE80211_STYPE_BACK_REQ        0x0080
  82 #define IEEE80211_STYPE_BACK            0x0090
  83 #define IEEE80211_STYPE_PSPOLL          0x00A0
  84 #define IEEE80211_STYPE_RTS             0x00B0
  85 #define IEEE80211_STYPE_CTS             0x00C0
  86 #define IEEE80211_STYPE_ACK             0x00D0
  87 #define IEEE80211_STYPE_CFEND           0x00E0
  88 #define IEEE80211_STYPE_CFENDACK        0x00F0
  89
  90 /* data */
  91 #define IEEE80211_STYPE_DATA                    0x0000
  92 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  93 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  94 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  95 #define IEEE80211_STYPE_NULLFUNC                0x0040
  96 #define IEEE80211_STYPE_CFACK                   0x0050
  97 #define IEEE80211_STYPE_CFPOLL                  0x0060
  98 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  99 #define IEEE80211_STYPE_QOS_DATA                0x0080
 100 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 103 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 104 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 105 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 106 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 107
 108 /* extension, added by 802.11ad */
 109 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 110 #define IEEE80211_STYPE_S1G_BEACON              0x0010
 111
 112 /* bits unique to S1G beacon */
 113 #define IEEE80211_S1G_BCN_NEXT_TBTT     0x100
 114
 115 /* see 802.11ah-2016 9.9 NDP CMAC frames */
 116 #define IEEE80211_S1G_1MHZ_NDP_BITS     25
 117 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
 118 #define IEEE80211_S1G_2MHZ_NDP_BITS     37
 119 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
 120
 121 #define IEEE80211_NDP_FTYPE_CTS                 0
 122 #define IEEE80211_NDP_FTYPE_CF_END              0
 123 #define IEEE80211_NDP_FTYPE_PS_POLL             1
 124 #define IEEE80211_NDP_FTYPE_ACK                 2
 125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK         3
 126 #define IEEE80211_NDP_FTYPE_BA                  4
 127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL      5
 128 #define IEEE80211_NDP_FTYPE_PAGING              6
 129 #define IEEE80211_NDP_FTYPE_PREQ                7
 130
 131 #define SM64(f, v)      ((((u64)v) << f##_S) & f)
 132
 133 /* NDP CMAC frame fields */
 134 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
 135 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
 136
 137 /* 1M Probe Request 11ah 9.9.3.1.1 */
 138 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
 139 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
 140 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
 141 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
 142 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
 143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
 144 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 145 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 146 /* 2M Probe Request 11ah 9.9.3.1.2 */
 147 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
 148 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
 149 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
 150 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
 151 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
 152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
 153
 154 #define IEEE80211_ANO_NETTYPE_WILD              15
 155
 156 /* bits unique to S1G beacon */
 157 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
 158
 159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 160 #define IEEE80211_CTL_EXT_POLL          0x2000
 161 #define IEEE80211_CTL_EXT_SPR           0x3000
 162 #define IEEE80211_CTL_EXT_GRANT 0x4000
 163 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 164 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 165 #define IEEE80211_CTL_EXT_SSW           0x8000
 166 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 167 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 168
 169
 170 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 171 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 172 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 173
 174
 175 /* PV1 Layout IEEE 802.11-2020 9.8.3.1 */
 176 #define IEEE80211_PV1_FCTL_VERS         0x0003
 177 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 178 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 179 #define IEEE80211_PV1_FCTL_FROMDS               0x0100
 180 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 181 #define IEEE80211_PV1_FCTL_PM           0x0400
 182 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 183 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 184 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 185 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 186 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 187 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 188
 189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 190 {
 191         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 192 }
 193
 194 static inline bool ieee80211_sn_less_eq(u16 sn1, u16 sn2)
 195 {
 196         return ((sn2 - sn1) & IEEE80211_SN_MASK) <= (IEEE80211_SN_MODULO >> 1);
 197 }
 198
 199 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 200 {
 201         return (sn1 + sn2) & IEEE80211_SN_MASK;
 202 }
 203
 204 static inline u16 ieee80211_sn_inc(u16 sn)
 205 {
 206         return ieee80211_sn_add(sn, 1);
 207 }
 208
 209 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 210 {
 211         return (sn1 - sn2) & IEEE80211_SN_MASK;
 212 }
 213
 214 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 215 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 216
 217 /* miscellaneous IEEE 802.11 constants */
 218 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 219 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 220 #define IEEE80211_MAX_AID               2007
 221 #define IEEE80211_MAX_AID_S1G           8191
 222 #define IEEE80211_MAX_TIM_LEN           251
 223 #define IEEE80211_MAX_MESH_PEERINGS     63
 224 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 225    6.2.1.1.2.
 226
 227    802.11e clarifies the figure in section 7.1.2. The frame body is
 228    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 229 #define IEEE80211_MAX_DATA_LEN          2304
 230 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 231  * to 7920 bytes, see 8.2.3 General frame format
 232  */
 233 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 234 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 235 #define IEEE80211_MAX_FRAME_LEN         2352
 236
 237 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 238 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 239
 240 /* Maximal size of an A-MSDU */
 241 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 242 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 243
 244 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 245 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 246 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 247
 248 #define IEEE80211_MAX_SSID_LEN          32
 249
 250 #define IEEE80211_MAX_MESH_ID_LEN       32
 251
 252 #define IEEE80211_FIRST_TSPEC_TSID      8
 253 #define IEEE80211_NUM_TIDS              16
 254
 255 /* number of user priorities 802.11 uses */
 256 #define IEEE80211_NUM_UPS               8
 257 /* number of ACs */
 258 #define IEEE80211_NUM_ACS               4
 259
 260 #define IEEE80211_QOS_CTL_LEN           2
 261 /* 1d tag mask */
 262 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 263 /* TID mask */
 264 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 265 /* EOSP */
 266 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 267 /* ACK policy */
 268 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 269 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 270 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 271 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 272 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 273 /* A-MSDU 802.11n */
 274 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 275 /* Mesh Control 802.11s */
 276 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 277
 278 /* Mesh Power Save Level */
 279 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 280 /* Mesh Receiver Service Period Initiated */
 281 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 282
 283 /* U-APSD queue for WMM IEs sent by AP */
 284 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 285 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 286
 287 /* U-APSD queues for WMM IEs sent by STA */
 288 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 289 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 290 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 291 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 292 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 293
 294 /* U-APSD max SP length for WMM IEs sent by STA */
 295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 296 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 297 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 298 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 299 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 300 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 301
 302 #define IEEE80211_HT_CTL_LEN            4
 303
 304 /* trigger type within common_info of trigger frame */
 305 #define IEEE80211_TRIGGER_TYPE_MASK             0xf
 306 #define IEEE80211_TRIGGER_TYPE_BASIC            0x0
 307 #define IEEE80211_TRIGGER_TYPE_BFRP             0x1
 308 #define IEEE80211_TRIGGER_TYPE_MU_BAR           0x2
 309 #define IEEE80211_TRIGGER_TYPE_MU_RTS           0x3
 310 #define IEEE80211_TRIGGER_TYPE_BSRP             0x4
 311 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR       0x5
 312 #define IEEE80211_TRIGGER_TYPE_BQRP             0x6
 313 #define IEEE80211_TRIGGER_TYPE_NFRP             0x7
 314
 315 /* UL-bandwidth within common_info of trigger frame */
 316 #define IEEE80211_TRIGGER_ULBW_MASK             0xc0000
 317 #define IEEE80211_TRIGGER_ULBW_20MHZ            0x0
 318 #define IEEE80211_TRIGGER_ULBW_40MHZ            0x1
 319 #define IEEE80211_TRIGGER_ULBW_80MHZ            0x2
 320 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ     0x3
 321
 322 struct ieee80211_hdr {
 323         __le16 frame_control;
 324         __le16 duration_id;
 325         struct_group(addrs,
 326                 u8 addr1[ETH_ALEN];
 327                 u8 addr2[ETH_ALEN];
 328                 u8 addr3[ETH_ALEN];
 329         );
 330         __le16 seq_ctrl;
 331         u8 addr4[ETH_ALEN];
 332 } __packed __aligned(2);
 333
 334 struct ieee80211_hdr_3addr {
 335         __le16 frame_control;
 336         __le16 duration_id;
 337         u8 addr1[ETH_ALEN];
 338         u8 addr2[ETH_ALEN];
 339         u8 addr3[ETH_ALEN];
 340         __le16 seq_ctrl;
 341 } __packed __aligned(2);
 342
 343 struct ieee80211_qos_hdr {
 344         __le16 frame_control;
 345         __le16 duration_id;
 346         u8 addr1[ETH_ALEN];
 347         u8 addr2[ETH_ALEN];
 348         u8 addr3[ETH_ALEN];
 349         __le16 seq_ctrl;
 350         __le16 qos_ctrl;
 351 } __packed __aligned(2);
 352
 353 struct ieee80211_qos_hdr_4addr {
 354         __le16 frame_control;
 355         __le16 duration_id;
 356         u8 addr1[ETH_ALEN];
 357         u8 addr2[ETH_ALEN];
 358         u8 addr3[ETH_ALEN];
 359         __le16 seq_ctrl;
 360         u8 addr4[ETH_ALEN];
 361         __le16 qos_ctrl;
 362 } __packed __aligned(2);
 363
 364 struct ieee80211_trigger {
 365         __le16 frame_control;
 366         __le16 duration;
 367         u8 ra[ETH_ALEN];
 368         u8 ta[ETH_ALEN];
 369         __le64 common_info;
 370         u8 variable[];
 371 } __packed __aligned(2);
 372
 373 /**
 374  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 375  * @fc: frame control bytes in little-endian byteorder
 376  */
 377 static inline bool ieee80211_has_tods(__le16 fc)
 378 {
 379         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 380 }
 381
 382 /**
 383  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 384  * @fc: frame control bytes in little-endian byteorder
 385  */
 386 static inline bool ieee80211_has_fromds(__le16 fc)
 387 {
 388         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 389 }
 390
 391 /**
 392  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 393  * @fc: frame control bytes in little-endian byteorder
 394  */
 395 static inline bool ieee80211_has_a4(__le16 fc)
 396 {
 397         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 398         return (fc & tmp) == tmp;
 399 }
 400
 401 /**
 402  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 403  * @fc: frame control bytes in little-endian byteorder
 404  */
 405 static inline bool ieee80211_has_morefrags(__le16 fc)
 406 {
 407         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 408 }
 409
 410 /**
 411  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 412  * @fc: frame control bytes in little-endian byteorder
 413  */
 414 static inline bool ieee80211_has_retry(__le16 fc)
 415 {
 416         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 417 }
 418
 419 /**
 420  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 421  * @fc: frame control bytes in little-endian byteorder
 422  */
 423 static inline bool ieee80211_has_pm(__le16 fc)
 424 {
 425         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 426 }
 427
 428 /**
 429  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 430  * @fc: frame control bytes in little-endian byteorder
 431  */
 432 static inline bool ieee80211_has_moredata(__le16 fc)
 433 {
 434         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 435 }
 436
 437 /**
 438  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 439  * @fc: frame control bytes in little-endian byteorder
 440  */
 441 static inline bool ieee80211_has_protected(__le16 fc)
 442 {
 443         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 444 }
 445
 446 /**
 447  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 448  * @fc: frame control bytes in little-endian byteorder
 449  */
 450 static inline bool ieee80211_has_order(__le16 fc)
 451 {
 452         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 453 }
 454
 455 /**
 456  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 457  * @fc: frame control bytes in little-endian byteorder
 458  */
 459 static inline bool ieee80211_is_mgmt(__le16 fc)
 460 {
 461         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 462                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 463 }
 464
 465 /**
 466  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 467  * @fc: frame control bytes in little-endian byteorder
 468  */
 469 static inline bool ieee80211_is_ctl(__le16 fc)
 470 {
 471         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 472                cpu_to_le16(IEEE80211_FTYPE_CTL);
 473 }
 474
 475 /**
 476  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 477  * @fc: frame control bytes in little-endian byteorder
 478  */
 479 static inline bool ieee80211_is_data(__le16 fc)
 480 {
 481         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 482                cpu_to_le16(IEEE80211_FTYPE_DATA);
 483 }
 484
 485 /**
 486  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 487  * @fc: frame control bytes in little-endian byteorder
 488  */
 489 static inline bool ieee80211_is_ext(__le16 fc)
 490 {
 491         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 492                cpu_to_le16(IEEE80211_FTYPE_EXT);
 493 }
 494
 495
 496 /**
 497  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 498  * @fc: frame control bytes in little-endian byteorder
 499  */
 500 static inline bool ieee80211_is_data_qos(__le16 fc)
 501 {
 502         /*
 503          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 504          * to check the one bit
 505          */
 506         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 507                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 508 }
 509
 510 /**
 511  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 512  * @fc: frame control bytes in little-endian byteorder
 513  */
 514 static inline bool ieee80211_is_data_present(__le16 fc)
 515 {
 516         /*
 517          * mask with 0x40 and test that that bit is clear to only return true
 518          * for the data-containing substypes.
 519          */
 520         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 521                cpu_to_le16(IEEE80211_FTYPE_DATA);
 522 }
 523
 524 /**
 525  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 526  * @fc: frame control bytes in little-endian byteorder
 527  */
 528 static inline bool ieee80211_is_assoc_req(__le16 fc)
 529 {
 530         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 531                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 532 }
 533
 534 /**
 535  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 536  * @fc: frame control bytes in little-endian byteorder
 537  */
 538 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 539 {
 540         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 541                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 542 }
 543
 544 /**
 545  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 546  * @fc: frame control bytes in little-endian byteorder
 547  */
 548 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 549 {
 550         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 551                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 552 }
 553
 554 /**
 555  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 556  * @fc: frame control bytes in little-endian byteorder
 557  */
 558 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 559 {
 560         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 561                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 562 }
 563
 564 /**
 565  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 566  * @fc: frame control bytes in little-endian byteorder
 567  */
 568 static inline bool ieee80211_is_probe_req(__le16 fc)
 569 {
 570         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 571                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 572 }
 573
 574 /**
 575  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 576  * @fc: frame control bytes in little-endian byteorder
 577  */
 578 static inline bool ieee80211_is_probe_resp(__le16 fc)
 579 {
 580         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 581                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 582 }
 583
 584 /**
 585  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 586  * @fc: frame control bytes in little-endian byteorder
 587  */
 588 static inline bool ieee80211_is_beacon(__le16 fc)
 589 {
 590         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 591                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 592 }
 593
 594 /**
 595  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 596  * IEEE80211_STYPE_S1G_BEACON
 597  * @fc: frame control bytes in little-endian byteorder
 598  */
 599 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 600 {
 601         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 602                                  IEEE80211_FCTL_STYPE)) ==
 603                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 604 }
 605
 606 /**
 607  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 608  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 609  * @fc: frame control bytes in little-endian byteorder
 610  */
 611 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 612 {
 613         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 614                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 615                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 616 }
 617
 618 /**
 619  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 620  * true for S1G beacons when they're short.
 621  * @fc: frame control bytes in little-endian byteorder
 622  */
 623 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 624 {
 625         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 626 }
 627
 628 /**
 629  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 630  * @fc: frame control bytes in little-endian byteorder
 631  */
 632 static inline bool ieee80211_is_atim(__le16 fc)
 633 {
 634         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 635                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 636 }
 637
 638 /**
 639  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 640  * @fc: frame control bytes in little-endian byteorder
 641  */
 642 static inline bool ieee80211_is_disassoc(__le16 fc)
 643 {
 644         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 645                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 646 }
 647
 648 /**
 649  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 650  * @fc: frame control bytes in little-endian byteorder
 651  */
 652 static inline bool ieee80211_is_auth(__le16 fc)
 653 {
 654         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 655                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 656 }
 657
 658 /**
 659  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 660  * @fc: frame control bytes in little-endian byteorder
 661  */
 662 static inline bool ieee80211_is_deauth(__le16 fc)
 663 {
 664         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 665                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 666 }
 667
 668 /**
 669  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 670  * @fc: frame control bytes in little-endian byteorder
 671  */
 672 static inline bool ieee80211_is_action(__le16 fc)
 673 {
 674         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 675                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 676 }
 677
 678 /**
 679  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 680  * @fc: frame control bytes in little-endian byteorder
 681  */
 682 static inline bool ieee80211_is_back_req(__le16 fc)
 683 {
 684         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 685                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 686 }
 687
 688 /**
 689  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 690  * @fc: frame control bytes in little-endian byteorder
 691  */
 692 static inline bool ieee80211_is_back(__le16 fc)
 693 {
 694         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 695                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 696 }
 697
 698 /**
 699  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 700  * @fc: frame control bytes in little-endian byteorder
 701  */
 702 static inline bool ieee80211_is_pspoll(__le16 fc)
 703 {
 704         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 705                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 706 }
 707
 708 /**
 709  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 710  * @fc: frame control bytes in little-endian byteorder
 711  */
 712 static inline bool ieee80211_is_rts(__le16 fc)
 713 {
 714         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 715                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 716 }
 717
 718 /**
 719  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 720  * @fc: frame control bytes in little-endian byteorder
 721  */
 722 static inline bool ieee80211_is_cts(__le16 fc)
 723 {
 724         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 725                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 726 }
 727
 728 /**
 729  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 730  * @fc: frame control bytes in little-endian byteorder
 731  */
 732 static inline bool ieee80211_is_ack(__le16 fc)
 733 {
 734         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 735                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 736 }
 737
 738 /**
 739  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 740  * @fc: frame control bytes in little-endian byteorder
 741  */
 742 static inline bool ieee80211_is_cfend(__le16 fc)
 743 {
 744         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 745                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 746 }
 747
 748 /**
 749  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 750  * @fc: frame control bytes in little-endian byteorder
 751  */
 752 static inline bool ieee80211_is_cfendack(__le16 fc)
 753 {
 754         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 755                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 756 }
 757
 758 /**
 759  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 760  * @fc: frame control bytes in little-endian byteorder
 761  */
 762 static inline bool ieee80211_is_nullfunc(__le16 fc)
 763 {
 764         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 765                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 766 }
 767
 768 /**
 769  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 770  * @fc: frame control bytes in little-endian byteorder
 771  */
 772 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 773 {
 774         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 775                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 776 }
 777
 778 /**
 779  * ieee80211_is_trigger - check if frame is trigger frame
 780  * @fc: frame control field in little-endian byteorder
 781  */
 782 static inline bool ieee80211_is_trigger(__le16 fc)
 783 {
 784         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 785                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 786 }
 787
 788 /**
 789  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 790  * @fc: frame control bytes in little-endian byteorder
 791  */
 792 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 793 {
 794         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 795 }
 796
 797 /**
 798  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 799  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 800  */
 801 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 802 {
 803         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 804 }
 805
 806 /**
 807  * ieee80211_is_frag - check if a frame is a fragment
 808  * @hdr: 802.11 header of the frame
 809  */
 810 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 811 {
 812         return ieee80211_has_morefrags(hdr->frame_control) ||
 813                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 814 }
 815
 816 static inline u16 ieee80211_get_sn(struct ieee80211_hdr *hdr)
 817 {
 818         return le16_get_bits(hdr->seq_ctrl, IEEE80211_SCTL_SEQ);
 819 }
 820
 821 struct ieee80211s_hdr {
 822         u8 flags;
 823         u8 ttl;
 824         __le32 seqnum;
 825         u8 eaddr1[ETH_ALEN];
 826         u8 eaddr2[ETH_ALEN];
 827 } __packed __aligned(2);
 828
 829 /* Mesh flags */
 830 #define MESH_FLAGS_AE_A4        0x1
 831 #define MESH_FLAGS_AE_A5_A6     0x2
 832 #define MESH_FLAGS_AE           0x3
 833 #define MESH_FLAGS_PS_DEEP      0x4
 834
 835 /**
 836  * enum ieee80211_preq_flags - mesh PREQ element flags
 837  *
 838  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 839  */
 840 enum ieee80211_preq_flags {
 841         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 842 };
 843
 844 /**
 845  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 846  *
 847  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 848  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 849  */
 850 enum ieee80211_preq_target_flags {
 851         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 852         IEEE80211_PREQ_USN_FLAG = 1<<2,
 853 };
 854
 855 /**
 856  * struct ieee80211_quiet_ie - Quiet element
 857  * @count: Quiet Count
 858  * @period: Quiet Period
 859  * @duration: Quiet Duration
 860  * @offset: Quiet Offset
 861  *
 862  * This structure represents the payload of the "Quiet element" as
 863  * described in IEEE Std 802.11-2020 section 9.4.2.22.
 864  */
 865 struct ieee80211_quiet_ie {
 866         u8 count;
 867         u8 period;
 868         __le16 duration;
 869         __le16 offset;
 870 } __packed;
 871
 872 /**
 873  * struct ieee80211_msrment_ie - Measurement element
 874  * @token: Measurement Token
 875  * @mode: Measurement Report Mode
 876  * @type: Measurement Type
 877  * @request: Measurement Request or Measurement Report
 878  *
 879  * This structure represents the payload of both the "Measurement
 880  * Request element" and the "Measurement Report element" as described
 881  * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
 882  */
 883 struct ieee80211_msrment_ie {
 884         u8 token;
 885         u8 mode;
 886         u8 type;
 887         u8 request[];
 888 } __packed;
 889
 890 /**
 891  * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
 892  * @mode: Channel Switch Mode
 893  * @new_ch_num: New Channel Number
 894  * @count: Channel Switch Count
 895  *
 896  * This structure represents the payload of the "Channel Switch
 897  * Announcement element" as described in IEEE Std 802.11-2020 section
 898  * 9.4.2.18.
 899  */
 900 struct ieee80211_channel_sw_ie {
 901         u8 mode;
 902         u8 new_ch_num;
 903         u8 count;
 904 } __packed;
 905
 906 /**
 907  * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
 908  * @mode: Channel Switch Mode
 909  * @new_operating_class: New Operating Class
 910  * @new_ch_num: New Channel Number
 911  * @count: Channel Switch Count
 912  *
 913  * This structure represents the "Extended Channel Switch Announcement
 914  * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
 915  */
 916 struct ieee80211_ext_chansw_ie {
 917         u8 mode;
 918         u8 new_operating_class;
 919         u8 new_ch_num;
 920         u8 count;
 921 } __packed;
 922
 923 /**
 924  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 925  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 926  *      values here
 927  * This structure represents the "Secondary Channel Offset element"
 928  */
 929 struct ieee80211_sec_chan_offs_ie {
 930         u8 sec_chan_offs;
 931 } __packed;
 932
 933 /**
 934  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 935  * @mesh_ttl: Time To Live
 936  * @mesh_flags: Flags
 937  * @mesh_reason: Reason Code
 938  * @mesh_pre_value: Precedence Value
 939  *
 940  * This structure represents the payload of the "Mesh Channel Switch
 941  * Parameters element" as described in IEEE Std 802.11-2020 section
 942  * 9.4.2.102.
 943  */
 944 struct ieee80211_mesh_chansw_params_ie {
 945         u8 mesh_ttl;
 946         u8 mesh_flags;
 947         __le16 mesh_reason;
 948         __le16 mesh_pre_value;
 949 } __packed;
 950
 951 /**
 952  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 953  * @new_channel_width: New Channel Width
 954  * @new_center_freq_seg0: New Channel Center Frequency Segment 0
 955  * @new_center_freq_seg1: New Channel Center Frequency Segment 1
 956  *
 957  * This structure represents the payload of the "Wide Bandwidth
 958  * Channel Switch element" as described in IEEE Std 802.11-2020
 959  * section 9.4.2.160.
 960  */
 961 struct ieee80211_wide_bw_chansw_ie {
 962         u8 new_channel_width;
 963         u8 new_center_freq_seg0, new_center_freq_seg1;
 964 } __packed;
 965
 966 /**
 967  * struct ieee80211_tim_ie - Traffic Indication Map information element
 968  * @dtim_count: DTIM Count
 969  * @dtim_period: DTIM Period
 970  * @bitmap_ctrl: Bitmap Control
 971  * @required_octet: "Syntatic sugar" to force the struct size to the
 972  *                  minimum valid size when carried in a non-S1G PPDU
 973  * @virtual_map: Partial Virtual Bitmap
 974  *
 975  * This structure represents the payload of the "TIM element" as
 976  * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this
 977  * definition is only applicable when the element is carried in a
 978  * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap
 979  * Control and Partial Virtual Bitmap may not be present.
 980  */
 981 struct ieee80211_tim_ie {
 982         u8 dtim_count;
 983         u8 dtim_period;
 984         u8 bitmap_ctrl;
 985         union {
 986                 u8 required_octet;
 987                 DECLARE_FLEX_ARRAY(u8, virtual_map);
 988         };
 989 } __packed;
 990
 991 /**
 992  * struct ieee80211_meshconf_ie - Mesh Configuration element
 993  * @meshconf_psel: Active Path Selection Protocol Identifier
 994  * @meshconf_pmetric: Active Path Selection Metric Identifier
 995  * @meshconf_congest: Congestion Control Mode Identifier
 996  * @meshconf_synch: Synchronization Method Identifier
 997  * @meshconf_auth: Authentication Protocol Identifier
 998  * @meshconf_form: Mesh Formation Info
 999  * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
1000  *
1001  * This structure represents the payload of the "Mesh Configuration
1002  * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
1003  */
1004 struct ieee80211_meshconf_ie {
1005         u8 meshconf_psel;
1006         u8 meshconf_pmetric;
1007         u8 meshconf_congest;
1008         u8 meshconf_synch;
1009         u8 meshconf_auth;
1010         u8 meshconf_form;
1011         u8 meshconf_cap;
1012 } __packed;
1013
1014 /**
1015  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
1016  *
1017  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
1018  *      additional mesh peerings with other mesh STAs
1019  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
1020  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
1021  *      is ongoing
1022  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
1023  *      neighbors in deep sleep mode
1024  *
1025  * Enumerates the "Mesh Capability" as described in IEEE Std
1026  * 802.11-2020 section 9.4.2.97.7.
1027  */
1028 enum mesh_config_capab_flags {
1029         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
1030         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
1031         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
1032         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
1033 };
1034
1035 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
1036
1037 /*
1038  * mesh channel switch parameters element's flag indicator
1039  *
1040  */
1041 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
1042 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
1043 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
1044
1045 /**
1046  * struct ieee80211_rann_ie - RANN (root announcement) element
1047  * @rann_flags: Flags
1048  * @rann_hopcount: Hop Count
1049  * @rann_ttl: Element TTL
1050  * @rann_addr: Root Mesh STA Address
1051  * @rann_seq: HWMP Sequence Number
1052  * @rann_interval: Interval
1053  * @rann_metric: Metric
1054  *
1055  * This structure represents the payload of the "RANN element" as
1056  * described in IEEE Std 802.11-2020 section 9.4.2.111.
1057  */
1058 struct ieee80211_rann_ie {
1059         u8 rann_flags;
1060         u8 rann_hopcount;
1061         u8 rann_ttl;
1062         u8 rann_addr[ETH_ALEN];
1063         __le32 rann_seq;
1064         __le32 rann_interval;
1065         __le32 rann_metric;
1066 } __packed;
1067
1068 enum ieee80211_rann_flags {
1069         RANN_FLAG_IS_GATE = 1 << 0,
1070 };
1071
1072 enum ieee80211_ht_chanwidth_values {
1073         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1074         IEEE80211_HT_CHANWIDTH_ANY = 1,
1075 };
1076
1077 /**
1078  * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
1079  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1080  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1081  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1082  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1083  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1084  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1085  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1086  *      (the NSS value is the value of this field + 1)
1087  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1088  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1089  *      using a beamforming steering matrix
1090  */
1091 enum ieee80211_vht_opmode_bits {
1092         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1093         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1094         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1095         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1096         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1097         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1098         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1099         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1100         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1101 };
1102
1103 /**
1104  * enum ieee80211_s1g_chanwidth
1105  * These are defined in IEEE802.11-2016ah Table 10-20
1106  * as BSS Channel Width
1107  *
1108  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1109  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1110  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1111  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1112  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1113  */
1114 enum ieee80211_s1g_chanwidth {
1115         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1116         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1117         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1118         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1119         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1120 };
1121
1122 #define WLAN_SA_QUERY_TR_ID_LEN 2
1123 #define WLAN_MEMBERSHIP_LEN 8
1124 #define WLAN_USER_POSITION_LEN 16
1125
1126 /**
1127  * struct ieee80211_tpc_report_ie - TPC Report element
1128  * @tx_power: Transmit Power
1129  * @link_margin: Link Margin
1130  *
1131  * This structure represents the payload of the "TPC Report element" as
1132  * described in IEEE Std 802.11-2020 section 9.4.2.16.
1133  */
1134 struct ieee80211_tpc_report_ie {
1135         u8 tx_power;
1136         u8 link_margin;
1137 } __packed;
1138
1139 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1140 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1141 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1142 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1143 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1144
1145 struct ieee80211_addba_ext_ie {
1146         u8 data;
1147 } __packed;
1148
1149 /**
1150  * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
1151  * @compat_info: Compatibility Information
1152  * @beacon_int: Beacon Interval
1153  * @tsf_completion: TSF Completion
1154  *
1155  * This structure represents the payload of the "S1G Beacon
1156  * Compatibility element" as described in IEEE Std 802.11-2020 section
1157  * 9.4.2.196.
1158  */
1159 struct ieee80211_s1g_bcn_compat_ie {
1160         __le16 compat_info;
1161         __le16 beacon_int;
1162         __le32 tsf_completion;
1163 } __packed;
1164
1165 /**
1166  * struct ieee80211_s1g_oper_ie - S1G Operation element
1167  * @ch_width: S1G Operation Information Channel Width
1168  * @oper_class: S1G Operation Information Operating Class
1169  * @primary_ch: S1G Operation Information Primary Channel Number
1170  * @oper_ch: S1G Operation Information  Channel Center Frequency
1171  * @basic_mcs_nss: Basic S1G-MCS and NSS Set
1172  *
1173  * This structure represents the payload of the "S1G Operation
1174  * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
1175  */
1176 struct ieee80211_s1g_oper_ie {
1177         u8 ch_width;
1178         u8 oper_class;
1179         u8 primary_ch;
1180         u8 oper_ch;
1181         __le16 basic_mcs_nss;
1182 } __packed;
1183
1184 /**
1185  * struct ieee80211_aid_response_ie - AID Response element
1186  * @aid: AID/Group AID
1187  * @switch_count: AID Switch Count
1188  * @response_int: AID Response Interval
1189  *
1190  * This structure represents the payload of the "AID Response element"
1191  * as described in IEEE Std 802.11-2020 section 9.4.2.194.
1192  */
1193 struct ieee80211_aid_response_ie {
1194         __le16 aid;
1195         u8 switch_count;
1196         __le16 response_int;
1197 } __packed;
1198
1199 struct ieee80211_s1g_cap {
1200         u8 capab_info[10];
1201         u8 supp_mcs_nss[5];
1202 } __packed;
1203
1204 struct ieee80211_ext {
1205         __le16 frame_control;
1206         __le16 duration;
1207         union {
1208                 struct {
1209                         u8 sa[ETH_ALEN];
1210                         __le32 timestamp;
1211                         u8 change_seq;
1212                         u8 variable[0];
1213                 } __packed s1g_beacon;
1214                 struct {
1215                         u8 sa[ETH_ALEN];
1216                         __le32 timestamp;
1217                         u8 change_seq;
1218                         u8 next_tbtt[3];
1219                         u8 variable[0];
1220                 } __packed s1g_short_beacon;
1221         } u;
1222 } __packed __aligned(2);
1223
1224 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1225 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1226 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1227 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1228 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1229
1230 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1231 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1232 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1233 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1234 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1235 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1236 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1237 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1238
1239 enum ieee80211_twt_setup_cmd {
1240         TWT_SETUP_CMD_REQUEST,
1241         TWT_SETUP_CMD_SUGGEST,
1242         TWT_SETUP_CMD_DEMAND,
1243         TWT_SETUP_CMD_GROUPING,
1244         TWT_SETUP_CMD_ACCEPT,
1245         TWT_SETUP_CMD_ALTERNATE,
1246         TWT_SETUP_CMD_DICTATE,
1247         TWT_SETUP_CMD_REJECT,
1248 };
1249
1250 struct ieee80211_twt_params {
1251         __le16 req_type;
1252         __le64 twt;
1253         u8 min_twt_dur;
1254         __le16 mantissa;
1255         u8 channel;
1256 } __packed;
1257
1258 struct ieee80211_twt_setup {
1259         u8 dialog_token;
1260         u8 element_id;
1261         u8 length;
1262         u8 control;
1263         u8 params[];
1264 } __packed;
1265
1266 #define IEEE80211_TTLM_MAX_CNT                          2
1267 #define IEEE80211_TTLM_CONTROL_DIRECTION                0x03
1268 #define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP             0x04
1269 #define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT      0x08
1270 #define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT     0x10
1271 #define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE            0x20
1272
1273 #define IEEE80211_TTLM_DIRECTION_DOWN           0
1274 #define IEEE80211_TTLM_DIRECTION_UP             1
1275 #define IEEE80211_TTLM_DIRECTION_BOTH           2
1276
1277 /**
1278  * struct ieee80211_ttlm_elem - TID-To-Link Mapping element
1279  *
1280  * Defined in section 9.4.2.314 in P802.11be_D4
1281  *
1282  * @control: the first part of control field
1283  * @optional: the second part of control field
1284  */
1285 struct ieee80211_ttlm_elem {
1286         u8 control;
1287         u8 optional[];
1288 } __packed;
1289
1290 /**
1291  * struct ieee80211_bss_load_elem - BSS Load elemen
1292  *
1293  * Defined in section 9.4.2.26 in IEEE 802.11-REVme D4.1
1294  *
1295  * @sta_count: total number of STAs currently associated with the AP.
1296  * @channel_util: Percentage of time that the access point sensed the channel
1297  *      was busy. This value is in range [0, 255], the highest value means
1298  *      100% busy.
1299  * @avail_admission_capa: remaining amount of medium time used for admission
1300  *      control.
1301  */
1302 struct ieee80211_bss_load_elem {
1303         __le16 sta_count;
1304         u8 channel_util;
1305         __le16 avail_admission_capa;
1306 } __packed;
1307
1308 struct ieee80211_mgmt {
1309         __le16 frame_control;
1310         __le16 duration;
1311         u8 da[ETH_ALEN];
1312         u8 sa[ETH_ALEN];
1313         u8 bssid[ETH_ALEN];
1314         __le16 seq_ctrl;
1315         union {
1316                 struct {
1317                         __le16 auth_alg;
1318                         __le16 auth_transaction;
1319                         __le16 status_code;
1320                         /* possibly followed by Challenge text */
1321                         u8 variable[];
1322                 } __packed auth;
1323                 struct {
1324                         __le16 reason_code;
1325                 } __packed deauth;
1326                 struct {
1327                         __le16 capab_info;
1328                         __le16 listen_interval;
1329                         /* followed by SSID and Supported rates */
1330                         u8 variable[];
1331                 } __packed assoc_req;
1332                 struct {
1333                         __le16 capab_info;
1334                         __le16 status_code;
1335                         __le16 aid;
1336                         /* followed by Supported rates */
1337                         u8 variable[];
1338                 } __packed assoc_resp, reassoc_resp;
1339                 struct {
1340                         __le16 capab_info;
1341                         __le16 status_code;
1342                         u8 variable[];
1343                 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1344                 struct {
1345                         __le16 capab_info;
1346                         __le16 listen_interval;
1347                         u8 current_ap[ETH_ALEN];
1348                         /* followed by SSID and Supported rates */
1349                         u8 variable[];
1350                 } __packed reassoc_req;
1351                 struct {
1352                         __le16 reason_code;
1353                 } __packed disassoc;
1354                 struct {
1355                         __le64 timestamp;
1356                         __le16 beacon_int;
1357                         __le16 capab_info;
1358                         /* followed by some of SSID, Supported rates,
1359                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1360                         u8 variable[];
1361                 } __packed beacon;
1362                 struct {
1363                         /* only variable items: SSID, Supported rates */
1364                         DECLARE_FLEX_ARRAY(u8, variable);
1365                 } __packed probe_req;
1366                 struct {
1367                         __le64 timestamp;
1368                         __le16 beacon_int;
1369                         __le16 capab_info;
1370                         /* followed by some of SSID, Supported rates,
1371                          * FH Params, DS Params, CF Params, IBSS Params */
1372                         u8 variable[];
1373                 } __packed probe_resp;
1374                 struct {
1375                         u8 category;
1376                         union {
1377                                 struct {
1378                                         u8 action_code;
1379                                         u8 dialog_token;
1380                                         u8 status_code;
1381                                         u8 variable[];
1382                                 } __packed wme_action;
1383                                 struct{
1384                                         u8 action_code;
1385                                         u8 variable[];
1386                                 } __packed chan_switch;
1387                                 struct{
1388                                         u8 action_code;
1389                                         struct ieee80211_ext_chansw_ie data;
1390                                         u8 variable[];
1391                                 } __packed ext_chan_switch;
1392                                 struct{
1393                                         u8 action_code;
1394                                         u8 dialog_token;
1395                                         u8 element_id;
1396                                         u8 length;
1397                                         struct ieee80211_msrment_ie msr_elem;
1398                                 } __packed measurement;
1399                                 struct{
1400                                         u8 action_code;
1401                                         u8 dialog_token;
1402                                         __le16 capab;
1403                                         __le16 timeout;
1404                                         __le16 start_seq_num;
1405                                         /* followed by BA Extension */
1406                                         u8 variable[];
1407                                 } __packed addba_req;
1408                                 struct{
1409                                         u8 action_code;
1410                                         u8 dialog_token;
1411                                         __le16 status;
1412                                         __le16 capab;
1413                                         __le16 timeout;
1414                                 } __packed addba_resp;
1415                                 struct{
1416                                         u8 action_code;
1417                                         __le16 params;
1418                                         __le16 reason_code;
1419                                 } __packed delba;
1420                                 struct {
1421                                         u8 action_code;
1422                                         u8 variable[];
1423                                 } __packed self_prot;
1424                                 struct{
1425                                         u8 action_code;
1426                                         u8 variable[];
1427                                 } __packed mesh_action;
1428                                 struct {
1429                                         u8 action;
1430                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1431                                 } __packed sa_query;
1432                                 struct {
1433                                         u8 action;
1434                                         u8 smps_control;
1435                                 } __packed ht_smps;
1436                                 struct {
1437                                         u8 action_code;
1438                                         u8 chanwidth;
1439                                 } __packed ht_notify_cw;
1440                                 struct {
1441                                         u8 action_code;
1442                                         u8 dialog_token;
1443                                         __le16 capability;
1444                                         u8 variable[0];
1445                                 } __packed tdls_discover_resp;
1446                                 struct {
1447                                         u8 action_code;
1448                                         u8 operating_mode;
1449                                 } __packed vht_opmode_notif;
1450                                 struct {
1451                                         u8 action_code;
1452                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1453                                         u8 position[WLAN_USER_POSITION_LEN];
1454                                 } __packed vht_group_notif;
1455                                 struct {
1456                                         u8 action_code;
1457                                         u8 dialog_token;
1458                                         u8 tpc_elem_id;
1459                                         u8 tpc_elem_length;
1460                                         struct ieee80211_tpc_report_ie tpc;
1461                                 } __packed tpc_report;
1462                                 struct {
1463                                         u8 action_code;
1464                                         u8 dialog_token;
1465                                         u8 follow_up;
1466                                         u8 tod[6];
1467                                         u8 toa[6];
1468                                         __le16 tod_error;
1469                                         __le16 toa_error;
1470                                         u8 variable[];
1471                                 } __packed ftm;
1472                                 struct {
1473                                         u8 action_code;
1474                                         u8 variable[];
1475                                 } __packed s1g;
1476                                 struct {
1477                                         u8 action_code;
1478                                         u8 dialog_token;
1479                                         u8 follow_up;
1480                                         u32 tod;
1481                                         u32 toa;
1482                                         u8 max_tod_error;
1483                                         u8 max_toa_error;
1484                                 } __packed wnm_timing_msr;
1485                                 struct {
1486                                         u8 action_code;
1487                                         u8 dialog_token;
1488                                         u8 variable[];
1489                                 } __packed ttlm_req;
1490                                 struct {
1491                                         u8 action_code;
1492                                         u8 dialog_token;
1493                                         u8 status_code;
1494                                         u8 variable[];
1495                                 } __packed ttlm_res;
1496                                 struct {
1497                                         u8 action_code;
1498                                 } __packed ttlm_tear_down;
1499                         } u;
1500                 } __packed action;
1501                 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1502         } u;
1503 } __packed __aligned(2);
1504
1505 /* Supported rates membership selectors */
1506 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1507 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1508 #define BSS_MEMBERSHIP_SELECTOR_GLK     125
1509 #define BSS_MEMBERSHIP_SELECTOR_EPS     124
1510 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1511 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1512 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1513
1514 /* mgmt header + 1 byte category code */
1515 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1516
1517
1518 /* Management MIC information element (IEEE 802.11w) */
1519 struct ieee80211_mmie {
1520         u8 element_id;
1521         u8 length;
1522         __le16 key_id;
1523         u8 sequence_number[6];
1524         u8 mic[8];
1525 } __packed;
1526
1527 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1528 struct ieee80211_mmie_16 {
1529         u8 element_id;
1530         u8 length;
1531         __le16 key_id;
1532         u8 sequence_number[6];
1533         u8 mic[16];
1534 } __packed;
1535
1536 struct ieee80211_vendor_ie {
1537         u8 element_id;
1538         u8 len;
1539         u8 oui[3];
1540         u8 oui_type;
1541 } __packed;
1542
1543 struct ieee80211_wmm_ac_param {
1544         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1545         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1546         __le16 txop_limit;
1547 } __packed;
1548
1549 struct ieee80211_wmm_param_ie {
1550         u8 element_id; /* Element ID: 221 (0xdd); */
1551         u8 len; /* Length: 24 */
1552         /* required fields for WMM version 1 */
1553         u8 oui[3]; /* 00:50:f2 */
1554         u8 oui_type; /* 2 */
1555         u8 oui_subtype; /* 1 */
1556         u8 version; /* 1 for WMM version 1.0 */
1557         u8 qos_info; /* AP/STA specific QoS info */
1558         u8 reserved; /* 0 */
1559         /* AC_BE, AC_BK, AC_VI, AC_VO */
1560         struct ieee80211_wmm_ac_param ac[4];
1561 } __packed;
1562
1563 /* Control frames */
1564 struct ieee80211_rts {
1565         __le16 frame_control;
1566         __le16 duration;
1567         u8 ra[ETH_ALEN];
1568         u8 ta[ETH_ALEN];
1569 } __packed __aligned(2);
1570
1571 struct ieee80211_cts {
1572         __le16 frame_control;
1573         __le16 duration;
1574         u8 ra[ETH_ALEN];
1575 } __packed __aligned(2);
1576
1577 struct ieee80211_pspoll {
1578         __le16 frame_control;
1579         __le16 aid;
1580         u8 bssid[ETH_ALEN];
1581         u8 ta[ETH_ALEN];
1582 } __packed __aligned(2);
1583
1584 /* TDLS */
1585
1586 /* Channel switch timing */
1587 struct ieee80211_ch_switch_timing {
1588         __le16 switch_time;
1589         __le16 switch_timeout;
1590 } __packed;
1591
1592 /* Link-id information element */
1593 struct ieee80211_tdls_lnkie {
1594         u8 ie_type; /* Link Identifier IE */
1595         u8 ie_len;
1596         u8 bssid[ETH_ALEN];
1597         u8 init_sta[ETH_ALEN];
1598         u8 resp_sta[ETH_ALEN];
1599 } __packed;
1600
1601 struct ieee80211_tdls_data {
1602         u8 da[ETH_ALEN];
1603         u8 sa[ETH_ALEN];
1604         __be16 ether_type;
1605         u8 payload_type;
1606         u8 category;
1607         u8 action_code;
1608         union {
1609                 struct {
1610                         u8 dialog_token;
1611                         __le16 capability;
1612                         u8 variable[0];
1613                 } __packed setup_req;
1614                 struct {
1615                         __le16 status_code;
1616                         u8 dialog_token;
1617                         __le16 capability;
1618                         u8 variable[0];
1619                 } __packed setup_resp;
1620                 struct {
1621                         __le16 status_code;
1622                         u8 dialog_token;
1623                         u8 variable[0];
1624                 } __packed setup_cfm;
1625                 struct {
1626                         __le16 reason_code;
1627                         u8 variable[0];
1628                 } __packed teardown;
1629                 struct {
1630                         u8 dialog_token;
1631                         u8 variable[0];
1632                 } __packed discover_req;
1633                 struct {
1634                         u8 target_channel;
1635                         u8 oper_class;
1636                         u8 variable[0];
1637                 } __packed chan_switch_req;
1638                 struct {
1639                         __le16 status_code;
1640                         u8 variable[0];
1641                 } __packed chan_switch_resp;
1642         } u;
1643 } __packed;
1644
1645 /*
1646  * Peer-to-Peer IE attribute related definitions.
1647  */
1648 /*
1649  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1650  */
1651 enum ieee80211_p2p_attr_id {
1652         IEEE80211_P2P_ATTR_STATUS = 0,
1653         IEEE80211_P2P_ATTR_MINOR_REASON,
1654         IEEE80211_P2P_ATTR_CAPABILITY,
1655         IEEE80211_P2P_ATTR_DEVICE_ID,
1656         IEEE80211_P2P_ATTR_GO_INTENT,
1657         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1658         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1659         IEEE80211_P2P_ATTR_GROUP_BSSID,
1660         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1661         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1662         IEEE80211_P2P_ATTR_MANAGABILITY,
1663         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1664         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1665         IEEE80211_P2P_ATTR_DEVICE_INFO,
1666         IEEE80211_P2P_ATTR_GROUP_INFO,
1667         IEEE80211_P2P_ATTR_GROUP_ID,
1668         IEEE80211_P2P_ATTR_INTERFACE,
1669         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1670         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1671         /* 19 - 220: Reserved */
1672         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1673
1674         IEEE80211_P2P_ATTR_MAX
1675 };
1676
1677 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1678 /* Typical max value used here */
1679 #define IEEE80211_P2P_NOA_DESC_MAX      4
1680
1681 struct ieee80211_p2p_noa_desc {
1682         u8 count;
1683         __le32 duration;
1684         __le32 interval;
1685         __le32 start_time;
1686 } __packed;
1687
1688 struct ieee80211_p2p_noa_attr {
1689         u8 index;
1690         u8 oppps_ctwindow;
1691         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1692 } __packed;
1693
1694 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1695 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1696
1697 /**
1698  * struct ieee80211_bar - Block Ack Request frame format
1699  * @frame_control: Frame Control
1700  * @duration: Duration
1701  * @ra: RA
1702  * @ta: TA
1703  * @control: BAR Control
1704  * @start_seq_num: Starting Sequence Number (see Figure 9-37)
1705  *
1706  * This structure represents the "BlockAckReq frame format"
1707  * as described in IEEE Std 802.11-2020 section 9.3.1.7.
1708 */
1709 struct ieee80211_bar {
1710         __le16 frame_control;
1711         __le16 duration;
1712         __u8 ra[ETH_ALEN];
1713         __u8 ta[ETH_ALEN];
1714         __le16 control;
1715         __le16 start_seq_num;
1716 } __packed;
1717
1718 /* 802.11 BAR control masks */
1719 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1720 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1721 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1722 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1723 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1724
1725 #define IEEE80211_HT_MCS_MASK_LEN               10
1726
1727 /**
1728  * struct ieee80211_mcs_info - Supported MCS Set field
1729  * @rx_mask: RX mask
1730  * @rx_highest: highest supported RX rate. If set represents
1731  *      the highest supported RX data rate in units of 1 Mbps.
1732  *      If this field is 0 this value should not be used to
1733  *      consider the highest RX data rate supported.
1734  * @tx_params: TX parameters
1735  * @reserved: Reserved bits
1736  *
1737  * This structure represents the "Supported MCS Set field" as
1738  * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
1739  */
1740 struct ieee80211_mcs_info {
1741         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1742         __le16 rx_highest;
1743         u8 tx_params;
1744         u8 reserved[3];
1745 } __packed;
1746
1747 /* 802.11n HT capability MSC set */
1748 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1749 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1750 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1751 /* value 0 == 1 stream etc */
1752 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1753 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1754 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1755 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1756
1757 #define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3)))
1758
1759 /*
1760  * 802.11n D5.0 20.3.5 / 20.6 says:
1761  * - indices 0 to 7 and 32 are single spatial stream
1762  * - 8 to 31 are multiple spatial streams using equal modulation
1763  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1764  * - remainder are multiple spatial streams using unequal modulation
1765  */
1766 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1767 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1768         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1769
1770 /**
1771  * struct ieee80211_ht_cap - HT capabilities element
1772  * @cap_info: HT Capability Information
1773  * @ampdu_params_info: A-MPDU Parameters
1774  * @mcs: Supported MCS Set
1775  * @extended_ht_cap_info: HT Extended Capabilities
1776  * @tx_BF_cap_info: Transmit Beamforming Capabilities
1777  * @antenna_selection_info: ASEL Capability
1778  *
1779  * This structure represents the payload of the "HT Capabilities
1780  * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
1781  */
1782 struct ieee80211_ht_cap {
1783         __le16 cap_info;
1784         u8 ampdu_params_info;
1785
1786         /* 16 bytes MCS information */
1787         struct ieee80211_mcs_info mcs;
1788
1789         __le16 extended_ht_cap_info;
1790         __le32 tx_BF_cap_info;
1791         u8 antenna_selection_info;
1792 } __packed;
1793
1794 /* 802.11n HT capabilities masks (for cap_info) */
1795 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1796 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1797 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1798 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1799 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1800 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1801 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1802 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1803 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1804 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1805 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1806 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1807 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1808 #define IEEE80211_HT_CAP_RESERVED               0x2000
1809 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1810 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1811
1812 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1813 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1814 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1815 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1816 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1817 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1818 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1819 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1820
1821 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1822 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1823 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1824 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1825
1826 /*
1827  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1828  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1829  */
1830 enum ieee80211_max_ampdu_length_exp {
1831         IEEE80211_HT_MAX_AMPDU_8K = 0,
1832         IEEE80211_HT_MAX_AMPDU_16K = 1,
1833         IEEE80211_HT_MAX_AMPDU_32K = 2,
1834         IEEE80211_HT_MAX_AMPDU_64K = 3
1835 };
1836
1837 /*
1838  * Maximum length of AMPDU that the STA can receive in VHT.
1839  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1840  */
1841 enum ieee80211_vht_max_ampdu_length_exp {
1842         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1843         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1844         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1845         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1846         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1847         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1848         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1849         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1850 };
1851
1852 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1853
1854 /* Minimum MPDU start spacing */
1855 enum ieee80211_min_mpdu_spacing {
1856         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1857         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1858         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1859         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1860         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1861         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1862         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1863         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1864 };
1865
1866 /**
1867  * struct ieee80211_ht_operation - HT operation IE
1868  * @primary_chan: Primary Channel
1869  * @ht_param: HT Operation Information parameters
1870  * @operation_mode: HT Operation Information operation mode
1871  * @stbc_param: HT Operation Information STBC params
1872  * @basic_set: Basic HT-MCS Set
1873  *
1874  * This structure represents the payload of the "HT Operation
1875  * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
1876  */
1877 struct ieee80211_ht_operation {
1878         u8 primary_chan;
1879         u8 ht_param;
1880         __le16 operation_mode;
1881         __le16 stbc_param;
1882         u8 basic_set[16];
1883 } __packed;
1884
1885 /* for ht_param */
1886 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1887 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1888 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1889 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1890 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1891 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1892
1893 /* for operation_mode */
1894 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1895 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1896 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1897 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1898 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1899 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1900 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1901 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1902 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1903
1904 /* for stbc_param */
1905 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1906 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1907 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1908 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1909 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1910 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1911
1912
1913 /* block-ack parameters */
1914 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1915 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1916 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1917 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1918 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1919 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1920
1921 /*
1922  * A-MPDU buffer sizes
1923  * According to HT size varies from 8 to 64 frames
1924  * HE adds the ability to have up to 256 frames.
1925  * EHT adds the ability to have up to 1K frames.
1926  */
1927 #define IEEE80211_MIN_AMPDU_BUF         0x8
1928 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1929 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1930 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1931
1932
1933 /* Spatial Multiplexing Power Save Modes (for capability) */
1934 #define WLAN_HT_CAP_SM_PS_STATIC        0
1935 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1936 #define WLAN_HT_CAP_SM_PS_INVALID       2
1937 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1938
1939 /* for SM power control field lower two bits */
1940 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1941 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1942 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1943
1944 /**
1945  * struct ieee80211_vht_mcs_info - VHT MCS information
1946  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1947  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1948  *      STA can receive. Rate expressed in units of 1 Mbps.
1949  *      If this field is 0 this value should not be used to
1950  *      consider the highest RX data rate supported.
1951  *      The top 3 bits of this field indicate the Maximum NSTS,total
1952  *      (a beamformee capability.)
1953  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1954  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1955  *      STA can transmit. Rate expressed in units of 1 Mbps.
1956  *      If this field is 0 this value should not be used to
1957  *      consider the highest TX data rate supported.
1958  *      The top 2 bits of this field are reserved, the
1959  *      3rd bit from the top indiciates VHT Extended NSS BW
1960  *      Capability.
1961  */
1962 struct ieee80211_vht_mcs_info {
1963         __le16 rx_mcs_map;
1964         __le16 rx_highest;
1965         __le16 tx_mcs_map;
1966         __le16 tx_highest;
1967 } __packed;
1968
1969 /* for rx_highest */
1970 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1971 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1972
1973 /* for tx_highest */
1974 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1975
1976 /**
1977  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1978  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1979  *      number of streams
1980  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1981  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1982  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1983  *
1984  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1985  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1986  * both split into 8 subfields by number of streams. These values indicate
1987  * which MCSes are supported for the number of streams the value appears
1988  * for.
1989  */
1990 enum ieee80211_vht_mcs_support {
1991         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1992         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1993         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1994         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1995 };
1996
1997 /**
1998  * struct ieee80211_vht_cap - VHT capabilities
1999  *
2000  * This structure is the "VHT capabilities element" as
2001  * described in 802.11ac D3.0 8.4.2.160
2002  * @vht_cap_info: VHT capability info
2003  * @supp_mcs: VHT MCS supported rates
2004  */
2005 struct ieee80211_vht_cap {
2006         __le32 vht_cap_info;
2007         struct ieee80211_vht_mcs_info supp_mcs;
2008 } __packed;
2009
2010 /**
2011  * enum ieee80211_vht_chanwidth - VHT channel width
2012  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
2013  *      determine the channel width (20 or 40 MHz)
2014  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
2015  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
2016  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
2017  */
2018 enum ieee80211_vht_chanwidth {
2019         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
2020         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
2021         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
2022         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
2023 };
2024
2025 /**
2026  * struct ieee80211_vht_operation - VHT operation IE
2027  *
2028  * This structure is the "VHT operation element" as
2029  * described in 802.11ac D3.0 8.4.2.161
2030  * @chan_width: Operating channel width
2031  * @center_freq_seg0_idx: center freq segment 0 index
2032  * @center_freq_seg1_idx: center freq segment 1 index
2033  * @basic_mcs_set: VHT Basic MCS rate set
2034  */
2035 struct ieee80211_vht_operation {
2036         u8 chan_width;
2037         u8 center_freq_seg0_idx;
2038         u8 center_freq_seg1_idx;
2039         __le16 basic_mcs_set;
2040 } __packed;
2041
2042 /**
2043  * struct ieee80211_he_cap_elem - HE capabilities element
2044  * @mac_cap_info: HE MAC Capabilities Information
2045  * @phy_cap_info: HE PHY Capabilities Information
2046  *
2047  * This structure represents the fixed fields of the payload of the
2048  * "HE capabilities element" as described in IEEE Std 802.11ax-2021
2049  * sections 9.4.2.248.2 and 9.4.2.248.3.
2050  */
2051 struct ieee80211_he_cap_elem {
2052         u8 mac_cap_info[6];
2053         u8 phy_cap_info[11];
2054 } __packed;
2055
2056 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
2057
2058 /**
2059  * enum ieee80211_he_mcs_support - HE MCS support definitions
2060  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2061  *      number of streams
2062  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2063  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
2064  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
2065  *
2066  * These definitions are used in each 2-bit subfield of the rx_mcs_*
2067  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
2068  * both split into 8 subfields by number of streams. These values indicate
2069  * which MCSes are supported for the number of streams the value appears
2070  * for.
2071  */
2072 enum ieee80211_he_mcs_support {
2073         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
2074         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
2075         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
2076         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
2077 };
2078
2079 /**
2080  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
2081  *
2082  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
2083  * described in P802.11ax_D2.0 section 9.4.2.237.4
2084  *
2085  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2086  *     widths less than 80MHz.
2087  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2088  *     widths less than 80MHz.
2089  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2090  *     width 160MHz.
2091  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2092  *     width 160MHz.
2093  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
2094  *     channel width 80p80MHz.
2095  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
2096  *     channel width 80p80MHz.
2097  */
2098 struct ieee80211_he_mcs_nss_supp {
2099         __le16 rx_mcs_80;
2100         __le16 tx_mcs_80;
2101         __le16 rx_mcs_160;
2102         __le16 tx_mcs_160;
2103         __le16 rx_mcs_80p80;
2104         __le16 tx_mcs_80p80;
2105 } __packed;
2106
2107 /**
2108  * struct ieee80211_he_operation - HE Operation element
2109  * @he_oper_params: HE Operation Parameters + BSS Color Information
2110  * @he_mcs_nss_set: Basic HE-MCS And NSS Set
2111  * @optional: Optional fields VHT Operation Information, Max Co-Hosted
2112  *            BSSID Indicator, and 6 GHz Operation Information
2113  *
2114  * This structure represents the payload of the "HE Operation
2115  * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
2116  */
2117 struct ieee80211_he_operation {
2118         __le32 he_oper_params;
2119         __le16 he_mcs_nss_set;
2120         u8 optional[];
2121 } __packed;
2122
2123 /**
2124  * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
2125  * @he_sr_control: SR Control
2126  * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
2127  *            Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
2128  *            Bitmap, and SRG Partial BSSID Bitmap
2129  *
2130  * This structure represents the payload of the "Spatial Reuse
2131  * Parameter Set element" as described in IEEE Std 802.11ax-2021
2132  * section 9.4.2.252.
2133  */
2134 struct ieee80211_he_spr {
2135         u8 he_sr_control;
2136         u8 optional[];
2137 } __packed;
2138
2139 /**
2140  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
2141  * @aifsn: ACI/AIFSN
2142  * @ecw_min_max: ECWmin/ECWmax
2143  * @mu_edca_timer: MU EDCA Timer
2144  *
2145  * This structure represents the "MU AC Parameter Record" as described
2146  * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
2147  */
2148 struct ieee80211_he_mu_edca_param_ac_rec {
2149         u8 aifsn;
2150         u8 ecw_min_max;
2151         u8 mu_edca_timer;
2152 } __packed;
2153
2154 /**
2155  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
2156  * @mu_qos_info: QoS Info
2157  * @ac_be: MU AC_BE Parameter Record
2158  * @ac_bk: MU AC_BK Parameter Record
2159  * @ac_vi: MU AC_VI Parameter Record
2160  * @ac_vo: MU AC_VO Parameter Record
2161  *
2162  * This structure represents the payload of the "MU EDCA Parameter Set
2163  * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
2164  */
2165 struct ieee80211_mu_edca_param_set {
2166         u8 mu_qos_info;
2167         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2168         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2169         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2170         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2171 } __packed;
2172
2173 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2174 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2175
2176 /**
2177  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2178  * supported NSS for per MCS.
2179  *
2180  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2181  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2182  * for Tx.
2183  *
2184  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2185  *     supported for reception and the maximum number of spatial streams
2186  *     supported for transmission for MCS 0 - 7.
2187  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2188  *     supported for reception and the maximum number of spatial streams
2189  *     supported for transmission for MCS 8 - 9.
2190  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2191  *     supported for reception and the maximum number of spatial streams
2192  *     supported for transmission for MCS 10 - 11.
2193  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2194  *     supported for reception and the maximum number of spatial streams
2195  *     supported for transmission for MCS 12 - 13.
2196  * @rx_tx_max_nss: array of the previous fields for easier loop access
2197  */
2198 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2199         union {
2200                 struct {
2201                         u8 rx_tx_mcs7_max_nss;
2202                         u8 rx_tx_mcs9_max_nss;
2203                         u8 rx_tx_mcs11_max_nss;
2204                         u8 rx_tx_mcs13_max_nss;
2205                 };
2206                 u8 rx_tx_max_nss[4];
2207         };
2208 };
2209
2210 /**
2211  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2212  * 20MHz only stations).
2213  *
2214  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2215  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2216  * for Tx.
2217  *
2218  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2219  *     supported for reception and the maximum number of spatial streams
2220  *     supported for transmission for MCS 0 - 9.
2221  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2222  *     supported for reception and the maximum number of spatial streams
2223  *     supported for transmission for MCS 10 - 11.
2224  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2225  *     supported for reception and the maximum number of spatial streams
2226  *     supported for transmission for MCS 12 - 13.
2227  * @rx_tx_max_nss: array of the previous fields for easier loop access
2228  */
2229 struct ieee80211_eht_mcs_nss_supp_bw {
2230         union {
2231                 struct {
2232                         u8 rx_tx_mcs9_max_nss;
2233                         u8 rx_tx_mcs11_max_nss;
2234                         u8 rx_tx_mcs13_max_nss;
2235                 };
2236                 u8 rx_tx_max_nss[3];
2237         };
2238 };
2239
2240 /**
2241  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2242  *
2243  * This structure is the "EHT Capabilities element" fixed fields as
2244  * described in P802.11be_D2.0 section 9.4.2.313.
2245  *
2246  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2247  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2248  */
2249 struct ieee80211_eht_cap_elem_fixed {
2250         u8 mac_cap_info[2];
2251         u8 phy_cap_info[9];
2252 } __packed;
2253
2254 /**
2255  * struct ieee80211_eht_cap_elem - EHT capabilities element
2256  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2257  * @optional: optional parts
2258  */
2259 struct ieee80211_eht_cap_elem {
2260         struct ieee80211_eht_cap_elem_fixed fixed;
2261
2262         /*
2263          * Followed by:
2264          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2265          * EHT PPE Thresholds field: variable length.
2266          */
2267         u8 optional[];
2268 } __packed;
2269
2270 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2271 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2272 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2273 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2274 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2275
2276 /**
2277  * struct ieee80211_eht_operation - eht operation element
2278  *
2279  * This structure is the "EHT Operation Element" fields as
2280  * described in P802.11be_D2.0 section 9.4.2.311
2281  *
2282  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2283  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2284  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2285  *     receive.
2286  * @optional: optional parts
2287  */
2288 struct ieee80211_eht_operation {
2289         u8 params;
2290         struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2291         u8 optional[];
2292 } __packed;
2293
2294 /**
2295  * struct ieee80211_eht_operation_info - eht operation information
2296  *
2297  * @control: EHT operation information control.
2298  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2299  *     EHT BSS.
2300  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2301  * @optional: optional parts
2302  */
2303 struct ieee80211_eht_operation_info {
2304         u8 control;
2305         u8 ccfs0;
2306         u8 ccfs1;
2307         u8 optional[];
2308 } __packed;
2309
2310 /* 802.11ac VHT Capabilities */
2311 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2312 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2313 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2314 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2315 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2316 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2317 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2318 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2319 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2320 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2321 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2322 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2323 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2324 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2325 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2326 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2327 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2328 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2329 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2330 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2331 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2332 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2333                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2334 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2335 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2336                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2337 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2338 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2339 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2340 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2341 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2342 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2343                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2344 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2345 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2346 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2347 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2348 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2349 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2350
2351 /**
2352  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2353  * @cap: VHT capabilities of the peer
2354  * @bw: bandwidth to use
2355  * @mcs: MCS index to use
2356  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2357  *      (rate scaling algorithm) can deal with the new logic
2358  *      (dot11VHTExtendedNSSBWCapable)
2359  * @max_vht_nss: current maximum NSS as advertised by the STA in
2360  *      operating mode notification, can be 0 in which case the
2361  *      capability data will be used to derive this (from MCS support)
2362  *
2363  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2364  * vary for a given BW/MCS. This function parses the data.
2365  *
2366  * Note: This function is exported by cfg80211.
2367  */
2368 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2369                               enum ieee80211_vht_chanwidth bw,
2370                               int mcs, bool ext_nss_bw_capable,
2371                               unsigned int max_vht_nss);
2372
2373 /**
2374  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2375  *
2376  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2377  * @IEEE80211_REG_LPI_AP: Indoor Access Point
2378  * @IEEE80211_REG_SP_AP: Standard power Access Point
2379  * @IEEE80211_REG_VLP_AP: Very low power Access Point
2380  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2381  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2382  */
2383 enum ieee80211_ap_reg_power {
2384         IEEE80211_REG_UNSET_AP,
2385         IEEE80211_REG_LPI_AP,
2386         IEEE80211_REG_SP_AP,
2387         IEEE80211_REG_VLP_AP,
2388         IEEE80211_REG_AP_POWER_AFTER_LAST,
2389         IEEE80211_REG_AP_POWER_MAX =
2390                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2391 };
2392
2393 /**
2394  * enum ieee80211_client_reg_power - regulatory power for a client
2395  *
2396  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2397  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2398  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2399  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2400  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2401  */
2402 enum ieee80211_client_reg_power {
2403         IEEE80211_REG_UNSET_CLIENT,
2404         IEEE80211_REG_DEFAULT_CLIENT,
2405         IEEE80211_REG_SUBORDINATE_CLIENT,
2406         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2407         IEEE80211_REG_CLIENT_POWER_MAX =
2408                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2409 };
2410
2411 /* 802.11ax HE MAC capabilities */
2412 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2413 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2414 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2415 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2416 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2417 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2418 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2419 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2420 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2421 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2422 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2423 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2424 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2425 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2426 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2427 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2428 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2429
2430 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2431 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2432 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2433 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2434 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2435 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2436 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2437 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2438 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2439 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2440 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2441 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2442 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2443 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2444 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2445 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2446 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2447 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2448
2449 /* Link adaptation is split between byte HE_MAC_CAP1 and
2450  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2451  * in which case the following values apply:
2452  * 0 = No feedback.
2453  * 1 = reserved.
2454  * 2 = Unsolicited feedback.
2455  * 3 = both
2456  */
2457 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2458
2459 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2460 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2461 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2462 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2463 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2464 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2465 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2466 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2467
2468 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2469 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2470
2471 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2472  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2473  * same field in the HE capabilities.
2474  */
2475 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2476 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2477 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2478 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2479 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2480 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2481 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2482 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2483
2484 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2485 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2486 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2487 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2488 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2489 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2490 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2491 /* Multi TID agg TX is split between byte #4 and #5
2492  * The value is a combination of B39,B40,B41
2493  */
2494 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2495
2496 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2497 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2498 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2499 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2500 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2501 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2502 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2503 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2504
2505 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2506 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2507 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2508
2509 /* 802.11ax HE PHY capabilities */
2510 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2511 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2512 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2513 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2514 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2515
2516 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2517 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2518 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2519
2520 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2521 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2522 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2523 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2524 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2525 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2526 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2527 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2528 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2529 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2530
2531 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2532 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2533 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2534 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2535 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2536 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2537
2538 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2539  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2540  * case it indicates support for Tx.
2541  */
2542 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2543 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2544
2545 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2546 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2547 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2548 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2549 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2550 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2551 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2552 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2553 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2554 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2555 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2556 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2557 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2558 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2559 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2560 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2561
2562 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2563 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2564
2565 /* Minimal allowed value of Max STS under 80MHz is 3 */
2566 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2567 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2568 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2569 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2570 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2571 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2572
2573 /* Minimal allowed value of Max STS above 80MHz is 3 */
2574 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2575 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2576 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2577 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2578 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2579 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2580
2581 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2582 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2583 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2584 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2585 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2586 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2587 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2588 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2589 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2590
2591 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2592 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2593 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2594 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2595 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2596 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2597 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2598 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2599 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2600
2601 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2602 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2603
2604 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2605 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2606 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2607 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2608 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2609 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2610 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2611 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2612
2613 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2614 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2615 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2616 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2617 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2618 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2619 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2620 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2621 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2622 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2623 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2624 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2625 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2626
2627 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2628 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2629 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2630 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2631 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2632 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2633 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2634 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2635 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2636 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2637 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2638
2639 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2640 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2641 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2642 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2643 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2644 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2645 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2646 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2647 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2648 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2649 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2650 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2651
2652 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2653
2654 /* 802.11ax HE TX/RX MCS NSS Support  */
2655 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2656 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2657 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2658 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2659 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2660
2661 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2662 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2663         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2664         HIGHEST_MCS_SUPPORTED_MCS8,
2665         HIGHEST_MCS_SUPPORTED_MCS9,
2666         HIGHEST_MCS_SUPPORTED_MCS10,
2667         HIGHEST_MCS_SUPPORTED_MCS11,
2668 };
2669
2670 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2671 static inline u8
2672 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2673 {
2674         u8 count = 4;
2675
2676         if (he_cap->phy_cap_info[0] &
2677             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2678                 count += 4;
2679
2680         if (he_cap->phy_cap_info[0] &
2681             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2682                 count += 4;
2683
2684         return count;
2685 }
2686
2687 /* 802.11ax HE PPE Thresholds */
2688 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2689 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2690 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2691 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2692         (BIT(5) | BIT(6))
2693 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2694 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2695 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2696 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2697
2698 /*
2699  * Calculate 802.11ax HE capabilities IE PPE field size
2700  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2701  */
2702 static inline u8
2703 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2704 {
2705         u8 n;
2706
2707         if ((phy_cap_info[6] &
2708              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2709                 return 0;
2710
2711         n = hweight8(ppe_thres_hdr &
2712                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2713         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2714                    IEEE80211_PPE_THRES_NSS_POS));
2715
2716         /*
2717          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2718          * total size.
2719          */
2720         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2721         n = DIV_ROUND_UP(n, 8);
2722
2723         return n;
2724 }
2725
2726 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2727 {
2728         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2729         u8 needed = sizeof(*he_cap_ie_elem);
2730
2731         if (len < needed)
2732                 return false;
2733
2734         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2735         if (len < needed)
2736                 return false;
2737
2738         if (he_cap_ie_elem->phy_cap_info[6] &
2739                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2740                 if (len < needed + 1)
2741                         return false;
2742                 needed += ieee80211_he_ppe_size(data[needed],
2743                                                 he_cap_ie_elem->phy_cap_info);
2744         }
2745
2746         return len >= needed;
2747 }
2748
2749 /* HE Operation defines */
2750 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2751 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2752 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2753 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2754 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2755 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2756 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2757 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2758 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2759 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2760 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2761 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2762
2763 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP          0
2764 #define IEEE80211_6GHZ_CTRL_REG_SP_AP           1
2765 #define IEEE80211_6GHZ_CTRL_REG_VLP_AP          2
2766 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_LPI_AP   3
2767 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP    4
2768
2769 /**
2770  * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2771  * @primary: primary channel
2772  * @control: control flags
2773  * @ccfs0: channel center frequency segment 0
2774  * @ccfs1: channel center frequency segment 1
2775  * @minrate: minimum rate (in 1 Mbps units)
2776  */
2777 struct ieee80211_he_6ghz_oper {
2778         u8 primary;
2779 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2780 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2781 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2782 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2783 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2784 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2785 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2786         u8 control;
2787         u8 ccfs0;
2788         u8 ccfs1;
2789         u8 minrate;
2790 } __packed;
2791
2792 /*
2793  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2794  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2795  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2796  * Info subfield encoding in the United States".
2797  * So it it totally max 8 Transmit Power Envelope element.
2798  */
2799 #define IEEE80211_TPE_MAX_IE_COUNT      8
2800 /*
2801  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2802  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2803  */
2804 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2805
2806 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2807
2808 /* transmit power interpretation type of transmit power envelope element */
2809 enum ieee80211_tx_power_intrpt_type {
2810         IEEE80211_TPE_LOCAL_EIRP,
2811         IEEE80211_TPE_LOCAL_EIRP_PSD,
2812         IEEE80211_TPE_REG_CLIENT_EIRP,
2813         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2814 };
2815
2816 /**
2817  * struct ieee80211_tx_pwr_env - Transmit Power Envelope
2818  * @tx_power_info: Transmit Power Information field
2819  * @tx_power: Maximum Transmit Power field
2820  *
2821  * This structure represents the payload of the "Transmit Power
2822  * Envelope element" as described in IEEE Std 802.11ax-2021 section
2823  * 9.4.2.161
2824  */
2825 struct ieee80211_tx_pwr_env {
2826         u8 tx_power_info;
2827         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2828 } __packed;
2829
2830 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2831 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2832 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2833
2834 /*
2835  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2836  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2837  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2838  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2839  *      validated this.
2840  * @return the actual size of the IE data (not including header), or 0 on error
2841  */
2842 static inline u8
2843 ieee80211_he_oper_size(const u8 *he_oper_ie)
2844 {
2845         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2846         u8 oper_len = sizeof(struct ieee80211_he_operation);
2847         u32 he_oper_params;
2848
2849         /* Make sure the input is not NULL */
2850         if (!he_oper_ie)
2851                 return 0;
2852
2853         /* Calc required length */
2854         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2855         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2856                 oper_len += 3;
2857         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2858                 oper_len++;
2859         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2860                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2861
2862         /* Add the first byte (extension ID) to the total length */
2863         oper_len++;
2864
2865         return oper_len;
2866 }
2867
2868 /**
2869  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2870  * @he_oper: HE operation element (must be pre-validated for size)
2871  *      but may be %NULL
2872  *
2873  * Return: a pointer to the 6 GHz operation field, or %NULL
2874  */
2875 static inline const struct ieee80211_he_6ghz_oper *
2876 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2877 {
2878         const u8 *ret;
2879         u32 he_oper_params;
2880
2881         if (!he_oper)
2882                 return NULL;
2883
2884         ret = (const void *)&he_oper->optional;
2885
2886         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2887
2888         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2889                 return NULL;
2890         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2891                 ret += 3;
2892         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2893                 ret++;
2894
2895         return (const void *)ret;
2896 }
2897
2898 /* HE Spatial Reuse defines */
2899 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2900 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2901 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2902 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2903 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2904
2905 /*
2906  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2907  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2908  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2909  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2910  *      this
2911  * @return the actual size of the IE data (not including header), or 0 on error
2912  */
2913 static inline u8
2914 ieee80211_he_spr_size(const u8 *he_spr_ie)
2915 {
2916         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2917         u8 spr_len = sizeof(struct ieee80211_he_spr);
2918         u8 he_spr_params;
2919
2920         /* Make sure the input is not NULL */
2921         if (!he_spr_ie)
2922                 return 0;
2923
2924         /* Calc required length */
2925         he_spr_params = he_spr->he_sr_control;
2926         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2927                 spr_len++;
2928         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2929                 spr_len += 18;
2930
2931         /* Add the first byte (extension ID) to the total length */
2932         spr_len++;
2933
2934         return spr_len;
2935 }
2936
2937 /* S1G Capabilities Information field */
2938 #define IEEE80211_S1G_CAPABILITY_LEN    15
2939
2940 #define S1G_CAP0_S1G_LONG       BIT(0)
2941 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2942 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2943 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2944 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2945 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2946 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2947
2948 #define S1G_SUPP_CH_WIDTH_2     0
2949 #define S1G_SUPP_CH_WIDTH_4     1
2950 #define S1G_SUPP_CH_WIDTH_8     2
2951 #define S1G_SUPP_CH_WIDTH_16    3
2952 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2953                                                     cap[0])) << 1)
2954
2955 #define S1G_CAP1_RX_LDPC        BIT(0)
2956 #define S1G_CAP1_TX_STBC        BIT(1)
2957 #define S1G_CAP1_RX_STBC        BIT(2)
2958 #define S1G_CAP1_SU_BFER        BIT(3)
2959 #define S1G_CAP1_SU_BFEE        BIT(4)
2960 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2961
2962 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2963 #define S1G_CAP2_MU_BFER                BIT(3)
2964 #define S1G_CAP2_MU_BFEE                BIT(4)
2965 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2966 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2967
2968 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2969 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2970 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2971 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2972 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2973
2974 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2975 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2976 #define S1G_CAP4_BAT            BIT(2)
2977 #define S1G_CAP4_TIME_ADE       BIT(3)
2978 #define S1G_CAP4_NON_TIM        BIT(4)
2979 #define S1G_CAP4_GROUP_AID      BIT(5)
2980 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2981
2982 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2983 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2984 #define S1G_CAP5_AMSDU                  BIT(2)
2985 #define S1G_CAP5_AMPDU                  BIT(3)
2986 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2987 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2988 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2989
2990 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2991 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2992 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2993 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2994 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2995 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2996 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2997
2998 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2999 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
3000 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
3001 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
3002 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
3003 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
3004 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
3005 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
3006
3007 #define S1G_CAP8_TWT_GROUPING   BIT(0)
3008 #define S1G_CAP8_BDT            BIT(1)
3009 #define S1G_CAP8_COLOR          GENMASK(4, 2)
3010 #define S1G_CAP8_TWT_REQUEST    BIT(5)
3011 #define S1G_CAP8_TWT_RESPOND    BIT(6)
3012 #define S1G_CAP8_PV1_FRAME      BIT(7)
3013
3014 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
3015
3016 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
3017 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
3018
3019 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
3020 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
3021 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
3022 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
3023 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
3024 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
3025 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
3026 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
3027 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
3028 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
3029 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
3030
3031 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
3032
3033 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
3034 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
3035 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
3036 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
3037 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
3038 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
3039 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
3040
3041 /* EHT beamformee number of spatial streams <= 80MHz is split */
3042 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
3043 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
3044
3045 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
3046 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
3047
3048 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
3049 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
3050
3051 /* EHT number of sounding dimensions for 320MHz is split */
3052 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
3053 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
3054 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
3055 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
3056 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
3057 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
3058 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
3059 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
3060 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
3061
3062 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
3063 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
3064 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
3065 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
3066 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
3067
3068 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
3069 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
3070 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
3071 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
3072 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
3073 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
3074 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
3075 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
3076 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
3077
3078 /* Maximum number of supported EHT LTF is split */
3079 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
3080 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF               0x40
3081 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
3082
3083 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_80MHZ                 0x08
3084 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_160MHZ                0x30
3085 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_320MHZ                0x40
3086 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
3087 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
3088
3089 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
3090 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
3091 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
3092 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
3093 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
3094 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
3095 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
3096 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
3097
3098 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
3099 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
3100
3101 /*
3102  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
3103  */
3104 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
3105 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
3106 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
3107 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
3108 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
3109 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
3110
3111 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
3112 static inline u8
3113 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
3114                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
3115                            bool from_ap)
3116 {
3117         u8 count = 0;
3118
3119         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
3120         if (he_cap->phy_cap_info[0] &
3121             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
3122                 return 3;
3123
3124         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
3125         if (he_cap->phy_cap_info[0] &
3126             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
3127                 count += 3;
3128
3129         if (he_cap->phy_cap_info[0] &
3130             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
3131                 count += 3;
3132
3133         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
3134                 count += 3;
3135
3136         if (count)
3137                 return count;
3138
3139         return from_ap ? 3 : 4;
3140 }
3141
3142 /* 802.11be EHT PPE Thresholds */
3143 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
3144 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
3145 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
3146 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
3147 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
3148
3149 /*
3150  * Calculate 802.11be EHT capabilities IE EHT field size
3151  */
3152 static inline u8
3153 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
3154 {
3155         u32 n;
3156
3157         if (!(phy_cap_info[5] &
3158               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
3159                 return 0;
3160
3161         n = hweight16(ppe_thres_hdr &
3162                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
3163         n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
3164
3165         /*
3166          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
3167          * total size.
3168          */
3169         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
3170             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
3171         return DIV_ROUND_UP(n, 8);
3172 }
3173
3174 static inline bool
3175 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
3176                            bool from_ap)
3177 {
3178         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
3179         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
3180
3181         if (len < needed || !he_capa)
3182                 return false;
3183
3184         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
3185                                              (const void *)data,
3186                                              from_ap);
3187         if (len < needed)
3188                 return false;
3189
3190         if (elem->phy_cap_info[5] &
3191                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3192                 u16 ppe_thres_hdr;
3193
3194                 if (len < needed + sizeof(ppe_thres_hdr))
3195                         return false;
3196
3197                 ppe_thres_hdr = get_unaligned_le16(data + needed);
3198                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3199                                                  elem->phy_cap_info);
3200         }
3201
3202         return len >= needed;
3203 }
3204
3205 static inline bool
3206 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3207 {
3208         const struct ieee80211_eht_operation *elem = (const void *)data;
3209         u8 needed = sizeof(*elem);
3210
3211         if (len < needed)
3212                 return false;
3213
3214         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3215                 needed += 3;
3216
3217                 if (elem->params &
3218                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3219                         needed += 2;
3220         }
3221
3222         return len >= needed;
3223 }
3224
3225 /* must validate ieee80211_eht_oper_size_ok() first */
3226 static inline u16
3227 ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation *eht_oper)
3228 {
3229         const struct ieee80211_eht_operation_info *info =
3230                 (const void *)eht_oper->optional;
3231
3232         if (!(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT))
3233                 return 0;
3234
3235         if (!(eht_oper->params & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT))
3236                 return 0;
3237
3238         return get_unaligned_le16(info->optional);
3239 }
3240
3241 #define IEEE80211_BW_IND_DIS_SUBCH_PRESENT      BIT(1)
3242
3243 struct ieee80211_bandwidth_indication {
3244         u8 params;
3245         struct ieee80211_eht_operation_info info;
3246 } __packed;
3247
3248 static inline bool
3249 ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len)
3250 {
3251         const struct ieee80211_bandwidth_indication *bwi = (const void *)data;
3252
3253         if (len < sizeof(*bwi))
3254                 return false;
3255
3256         if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT &&
3257             len < sizeof(*bwi) + 2)
3258                 return false;
3259
3260         return true;
3261 }
3262
3263 #define LISTEN_INT_USF  GENMASK(15, 14)
3264 #define LISTEN_INT_UI   GENMASK(13, 0)
3265
3266 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3267 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3268
3269 /* Authentication algorithms */
3270 #define WLAN_AUTH_OPEN 0
3271 #define WLAN_AUTH_SHARED_KEY 1
3272 #define WLAN_AUTH_FT 2
3273 #define WLAN_AUTH_SAE 3
3274 #define WLAN_AUTH_FILS_SK 4
3275 #define WLAN_AUTH_FILS_SK_PFS 5
3276 #define WLAN_AUTH_FILS_PK 6
3277 #define WLAN_AUTH_LEAP 128
3278
3279 #define WLAN_AUTH_CHALLENGE_LEN 128
3280
3281 #define WLAN_CAPABILITY_ESS             (1<<0)
3282 #define WLAN_CAPABILITY_IBSS            (1<<1)
3283
3284 /*
3285  * A mesh STA sets the ESS and IBSS capability bits to zero.
3286  * however, this holds true for p2p probe responses (in the p2p_find
3287  * phase) as well.
3288  */
3289 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3290         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3291
3292 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3293 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3294 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3295 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3296 #define WLAN_CAPABILITY_PBCC            (1<<6)
3297 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3298
3299 /* 802.11h */
3300 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3301 #define WLAN_CAPABILITY_QOS             (1<<9)
3302 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3303 #define WLAN_CAPABILITY_APSD            (1<<11)
3304 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3305 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3306 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3307 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3308
3309 /* DMG (60gHz) 802.11ad */
3310 /* type - bits 0..1 */
3311 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3312 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3313 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3314 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3315
3316 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3317 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3318 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3319 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3320
3321 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3322 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3323
3324 /* measurement */
3325 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3326 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3327 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3328
3329 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3330 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3331 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3332 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3333 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3334
3335 /* 802.11g ERP information element */
3336 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3337 #define WLAN_ERP_USE_PROTECTION (1<<1)
3338 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3339
3340 /* WLAN_ERP_BARKER_PREAMBLE values */
3341 enum {
3342         WLAN_ERP_PREAMBLE_SHORT = 0,
3343         WLAN_ERP_PREAMBLE_LONG = 1,
3344 };
3345
3346 /* Band ID, 802.11ad #8.4.1.45 */
3347 enum {
3348         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3349         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3350         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3351         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3352         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3353         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3354 };
3355
3356 /* Status codes */
3357 enum ieee80211_statuscode {
3358         WLAN_STATUS_SUCCESS = 0,
3359         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3360         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3361         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3362         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3363         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3364         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3365         WLAN_STATUS_CHALLENGE_FAIL = 15,
3366         WLAN_STATUS_AUTH_TIMEOUT = 16,
3367         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3368         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3369         /* 802.11b */
3370         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3371         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3372         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3373         /* 802.11h */
3374         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3375         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3376         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3377         /* 802.11g */
3378         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3379         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3380         /* 802.11w */
3381         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3382         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3383         /* 802.11i */
3384         WLAN_STATUS_INVALID_IE = 40,
3385         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3386         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3387         WLAN_STATUS_INVALID_AKMP = 43,
3388         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3389         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3390         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3391         /* 802.11e */
3392         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3393         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3394         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3395         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3396         WLAN_STATUS_REQUEST_DECLINED = 37,
3397         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3398         WLAN_STATUS_CHANGE_TSPEC = 39,
3399         WLAN_STATUS_WAIT_TS_DELAY = 47,
3400         WLAN_STATUS_NO_DIRECT_LINK = 48,
3401         WLAN_STATUS_STA_NOT_PRESENT = 49,
3402         WLAN_STATUS_STA_NOT_QSTA = 50,
3403         /* 802.11s */
3404         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3405         WLAN_STATUS_FCG_NOT_SUPP = 78,
3406         WLAN_STATUS_STA_NO_TBTT = 78,
3407         /* 802.11ad */
3408         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3409         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3410         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3411         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3412         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3413         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3414         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3415         WLAN_STATUS_REJECT_DSE_BAND = 96,
3416         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3417         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3418         /* 802.11ai */
3419         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3420         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3421         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3422         WLAN_STATUS_SAE_PK = 127,
3423         WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133,
3424         WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134,
3425 };
3426
3427
3428 /* Reason codes */
3429 enum ieee80211_reasoncode {
3430         WLAN_REASON_UNSPECIFIED = 1,
3431         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3432         WLAN_REASON_DEAUTH_LEAVING = 3,
3433         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3434         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3435         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3436         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3437         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3438         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3439         /* 802.11h */
3440         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3441         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3442         /* 802.11i */
3443         WLAN_REASON_INVALID_IE = 13,
3444         WLAN_REASON_MIC_FAILURE = 14,
3445         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3446         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3447         WLAN_REASON_IE_DIFFERENT = 17,
3448         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3449         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3450         WLAN_REASON_INVALID_AKMP = 20,
3451         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3452         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3453         WLAN_REASON_IEEE8021X_FAILED = 23,
3454         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3455         /* TDLS (802.11z) */
3456         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3457         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3458         /* 802.11e */
3459         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3460         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3461         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3462         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3463         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3464         WLAN_REASON_QSTA_NOT_USE = 37,
3465         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3466         WLAN_REASON_QSTA_TIMEOUT = 39,
3467         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3468         /* 802.11s */
3469         WLAN_REASON_MESH_PEER_CANCELED = 52,
3470         WLAN_REASON_MESH_MAX_PEERS = 53,
3471         WLAN_REASON_MESH_CONFIG = 54,
3472         WLAN_REASON_MESH_CLOSE = 55,
3473         WLAN_REASON_MESH_MAX_RETRIES = 56,
3474         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3475         WLAN_REASON_MESH_INVALID_GTK = 58,
3476         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3477         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3478         WLAN_REASON_MESH_PATH_ERROR = 61,
3479         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3480         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3481         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3482         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3483         WLAN_REASON_MESH_CHAN = 66,
3484 };
3485
3486
3487 /* Information Element IDs */
3488 enum ieee80211_eid {
3489         WLAN_EID_SSID = 0,
3490         WLAN_EID_SUPP_RATES = 1,
3491         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3492         WLAN_EID_DS_PARAMS = 3,
3493         WLAN_EID_CF_PARAMS = 4,
3494         WLAN_EID_TIM = 5,
3495         WLAN_EID_IBSS_PARAMS = 6,
3496         WLAN_EID_COUNTRY = 7,
3497         /* 8, 9 reserved */
3498         WLAN_EID_REQUEST = 10,
3499         WLAN_EID_QBSS_LOAD = 11,
3500         WLAN_EID_EDCA_PARAM_SET = 12,
3501         WLAN_EID_TSPEC = 13,
3502         WLAN_EID_TCLAS = 14,
3503         WLAN_EID_SCHEDULE = 15,
3504         WLAN_EID_CHALLENGE = 16,
3505         /* 17-31 reserved for challenge text extension */
3506         WLAN_EID_PWR_CONSTRAINT = 32,
3507         WLAN_EID_PWR_CAPABILITY = 33,
3508         WLAN_EID_TPC_REQUEST = 34,
3509         WLAN_EID_TPC_REPORT = 35,
3510         WLAN_EID_SUPPORTED_CHANNELS = 36,
3511         WLAN_EID_CHANNEL_SWITCH = 37,
3512         WLAN_EID_MEASURE_REQUEST = 38,
3513         WLAN_EID_MEASURE_REPORT = 39,
3514         WLAN_EID_QUIET = 40,
3515         WLAN_EID_IBSS_DFS = 41,
3516         WLAN_EID_ERP_INFO = 42,
3517         WLAN_EID_TS_DELAY = 43,
3518         WLAN_EID_TCLAS_PROCESSING = 44,
3519         WLAN_EID_HT_CAPABILITY = 45,
3520         WLAN_EID_QOS_CAPA = 46,
3521         /* 47 reserved for Broadcom */
3522         WLAN_EID_RSN = 48,
3523         WLAN_EID_802_15_COEX = 49,
3524         WLAN_EID_EXT_SUPP_RATES = 50,
3525         WLAN_EID_AP_CHAN_REPORT = 51,
3526         WLAN_EID_NEIGHBOR_REPORT = 52,
3527         WLAN_EID_RCPI = 53,
3528         WLAN_EID_MOBILITY_DOMAIN = 54,
3529         WLAN_EID_FAST_BSS_TRANSITION = 55,
3530         WLAN_EID_TIMEOUT_INTERVAL = 56,
3531         WLAN_EID_RIC_DATA = 57,
3532         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3533         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3534         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3535         WLAN_EID_HT_OPERATION = 61,
3536         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3537         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3538         WLAN_EID_ANTENNA_INFO = 64,
3539         WLAN_EID_RSNI = 65,
3540         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3541         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3542         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3543         WLAN_EID_TIME_ADVERTISEMENT = 69,
3544         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3545         WLAN_EID_MULTIPLE_BSSID = 71,
3546         WLAN_EID_BSS_COEX_2040 = 72,
3547         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3548         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3549         WLAN_EID_RIC_DESCRIPTOR = 75,
3550         WLAN_EID_MMIE = 76,
3551         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3552         WLAN_EID_EVENT_REQUEST = 78,
3553         WLAN_EID_EVENT_REPORT = 79,
3554         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3555         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3556         WLAN_EID_LOCATION_PARAMS = 82,
3557         WLAN_EID_NON_TX_BSSID_CAP =  83,
3558         WLAN_EID_SSID_LIST = 84,
3559         WLAN_EID_MULTI_BSSID_IDX = 85,
3560         WLAN_EID_FMS_DESCRIPTOR = 86,
3561         WLAN_EID_FMS_REQUEST = 87,
3562         WLAN_EID_FMS_RESPONSE = 88,
3563         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3564         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3565         WLAN_EID_TSF_REQUEST = 91,
3566         WLAN_EID_TSF_RESPOSNE = 92,
3567         WLAN_EID_WNM_SLEEP_MODE = 93,
3568         WLAN_EID_TIM_BCAST_REQ = 94,
3569         WLAN_EID_TIM_BCAST_RESP = 95,
3570         WLAN_EID_COLL_IF_REPORT = 96,
3571         WLAN_EID_CHANNEL_USAGE = 97,
3572         WLAN_EID_TIME_ZONE = 98,
3573         WLAN_EID_DMS_REQUEST = 99,
3574         WLAN_EID_DMS_RESPONSE = 100,
3575         WLAN_EID_LINK_ID = 101,
3576         WLAN_EID_WAKEUP_SCHEDUL = 102,
3577         /* 103 reserved */
3578         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3579         WLAN_EID_PTI_CONTROL = 105,
3580         WLAN_EID_PU_BUFFER_STATUS = 106,
3581         WLAN_EID_INTERWORKING = 107,
3582         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3583         WLAN_EID_EXPEDITED_BW_REQ = 109,
3584         WLAN_EID_QOS_MAP_SET = 110,
3585         WLAN_EID_ROAMING_CONSORTIUM = 111,
3586         WLAN_EID_EMERGENCY_ALERT = 112,
3587         WLAN_EID_MESH_CONFIG = 113,
3588         WLAN_EID_MESH_ID = 114,
3589         WLAN_EID_LINK_METRIC_REPORT = 115,
3590         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3591         WLAN_EID_PEER_MGMT = 117,
3592         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3593         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3594         WLAN_EID_BEACON_TIMING = 120,
3595         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3596         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3597         WLAN_EID_MCCAOP_ADVERT = 123,
3598         WLAN_EID_MCCAOP_TEARDOWN = 124,
3599         WLAN_EID_GANN = 125,
3600         WLAN_EID_RANN = 126,
3601         WLAN_EID_EXT_CAPABILITY = 127,
3602         /* 128, 129 reserved for Agere */
3603         WLAN_EID_PREQ = 130,
3604         WLAN_EID_PREP = 131,
3605         WLAN_EID_PERR = 132,
3606         /* 133-136 reserved for Cisco */
3607         WLAN_EID_PXU = 137,
3608         WLAN_EID_PXUC = 138,
3609         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3610         WLAN_EID_MIC = 140,
3611         WLAN_EID_DESTINATION_URI = 141,
3612         WLAN_EID_UAPSD_COEX = 142,
3613         WLAN_EID_WAKEUP_SCHEDULE = 143,
3614         WLAN_EID_EXT_SCHEDULE = 144,
3615         WLAN_EID_STA_AVAILABILITY = 145,
3616         WLAN_EID_DMG_TSPEC = 146,
3617         WLAN_EID_DMG_AT = 147,
3618         WLAN_EID_DMG_CAP = 148,
3619         /* 149 reserved for Cisco */
3620         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3621         WLAN_EID_DMG_OPERATION = 151,
3622         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3623         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3624         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3625         /* 155-156 reserved for Cisco */
3626         WLAN_EID_AWAKE_WINDOW = 157,
3627         WLAN_EID_MULTI_BAND = 158,
3628         WLAN_EID_ADDBA_EXT = 159,
3629         WLAN_EID_NEXT_PCP_LIST = 160,
3630         WLAN_EID_PCP_HANDOVER = 161,
3631         WLAN_EID_DMG_LINK_MARGIN = 162,
3632         WLAN_EID_SWITCHING_STREAM = 163,
3633         WLAN_EID_SESSION_TRANSITION = 164,
3634         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3635         WLAN_EID_CLUSTER_REPORT = 166,
3636         WLAN_EID_RELAY_CAP = 167,
3637         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3638         WLAN_EID_BEAM_LINK_MAINT = 169,
3639         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3640         WLAN_EID_U_PID = 171,
3641         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3642         /* 173 reserved for Symbol */
3643         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3644         WLAN_EID_QUIET_PERIOD_REQ = 175,
3645         /* 176 reserved for Symbol */
3646         WLAN_EID_QUIET_PERIOD_RESP = 177,
3647         /* 178-179 reserved for Symbol */
3648         /* 180 reserved for ISO/IEC 20011 */
3649         WLAN_EID_EPAC_POLICY = 182,
3650         WLAN_EID_CLISTER_TIME_OFF = 183,
3651         WLAN_EID_INTER_AC_PRIO = 184,
3652         WLAN_EID_SCS_DESCRIPTOR = 185,
3653         WLAN_EID_QLOAD_REPORT = 186,
3654         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3655         WLAN_EID_HL_STREAM_ID = 188,
3656         WLAN_EID_GCR_GROUP_ADDR = 189,
3657         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3658         WLAN_EID_VHT_CAPABILITY = 191,
3659         WLAN_EID_VHT_OPERATION = 192,
3660         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3661         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3662         WLAN_EID_TX_POWER_ENVELOPE = 195,
3663         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3664         WLAN_EID_AID = 197,
3665         WLAN_EID_QUIET_CHANNEL = 198,
3666         WLAN_EID_OPMODE_NOTIF = 199,
3667
3668         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3669
3670         WLAN_EID_AID_REQUEST = 210,
3671         WLAN_EID_AID_RESPONSE = 211,
3672         WLAN_EID_S1G_BCN_COMPAT = 213,
3673         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3674         WLAN_EID_S1G_TWT = 216,
3675         WLAN_EID_S1G_CAPABILITIES = 217,
3676         WLAN_EID_VENDOR_SPECIFIC = 221,
3677         WLAN_EID_QOS_PARAMETER = 222,
3678         WLAN_EID_S1G_OPERATION = 232,
3679         WLAN_EID_CAG_NUMBER = 237,
3680         WLAN_EID_AP_CSN = 239,
3681         WLAN_EID_FILS_INDICATION = 240,
3682         WLAN_EID_DILS = 241,
3683         WLAN_EID_FRAGMENT = 242,
3684         WLAN_EID_RSNX = 244,
3685         WLAN_EID_EXTENSION = 255
3686 };
3687
3688 /* Element ID Extensions for Element ID 255 */
3689 enum ieee80211_eid_ext {
3690         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3691         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3692         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3693         WLAN_EID_EXT_FILS_SESSION = 4,
3694         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3695         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3696         WLAN_EID_EXT_KEY_DELIVERY = 7,
3697         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3698         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3699         WLAN_EID_EXT_FILS_NONCE = 13,
3700         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3701         WLAN_EID_EXT_HE_CAPABILITY = 35,
3702         WLAN_EID_EXT_HE_OPERATION = 36,
3703         WLAN_EID_EXT_UORA = 37,
3704         WLAN_EID_EXT_HE_MU_EDCA = 38,
3705         WLAN_EID_EXT_HE_SPR = 39,
3706         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3707         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3708         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3709         WLAN_EID_EXT_ESS_REPORT = 45,
3710         WLAN_EID_EXT_OPS = 46,
3711         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3712         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3713         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3714         WLAN_EID_EXT_NON_INHERITANCE = 56,
3715         WLAN_EID_EXT_KNOWN_BSSID = 57,
3716         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3717         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3718         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3719         WLAN_EID_EXT_EHT_OPERATION = 106,
3720         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3721         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3722         WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109,
3723         WLAN_EID_EXT_BANDWIDTH_INDICATION = 135,
3724 };
3725
3726 /* Action category code */
3727 enum ieee80211_category {
3728         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3729         WLAN_CATEGORY_QOS = 1,
3730         WLAN_CATEGORY_DLS = 2,
3731         WLAN_CATEGORY_BACK = 3,
3732         WLAN_CATEGORY_PUBLIC = 4,
3733         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3734         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3735         WLAN_CATEGORY_HT = 7,
3736         WLAN_CATEGORY_SA_QUERY = 8,
3737         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3738         WLAN_CATEGORY_WNM = 10,
3739         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3740         WLAN_CATEGORY_TDLS = 12,
3741         WLAN_CATEGORY_MESH_ACTION = 13,
3742         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3743         WLAN_CATEGORY_SELF_PROTECTED = 15,
3744         WLAN_CATEGORY_DMG = 16,
3745         WLAN_CATEGORY_WMM = 17,
3746         WLAN_CATEGORY_FST = 18,
3747         WLAN_CATEGORY_UNPROT_DMG = 20,
3748         WLAN_CATEGORY_VHT = 21,
3749         WLAN_CATEGORY_S1G = 22,
3750         WLAN_CATEGORY_PROTECTED_EHT = 37,
3751         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3752         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3753 };
3754
3755 /* SPECTRUM_MGMT action code */
3756 enum ieee80211_spectrum_mgmt_actioncode {
3757         WLAN_ACTION_SPCT_MSR_REQ = 0,
3758         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3759         WLAN_ACTION_SPCT_TPC_REQ = 2,
3760         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3761         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3762 };
3763
3764 /* HT action codes */
3765 enum ieee80211_ht_actioncode {
3766         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3767         WLAN_HT_ACTION_SMPS = 1,
3768         WLAN_HT_ACTION_PSMP = 2,
3769         WLAN_HT_ACTION_PCO_PHASE = 3,
3770         WLAN_HT_ACTION_CSI = 4,
3771         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3772         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3773         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3774 };
3775
3776 /* VHT action codes */
3777 enum ieee80211_vht_actioncode {
3778         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3779         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3780         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3781 };
3782
3783 /* Self Protected Action codes */
3784 enum ieee80211_self_protected_actioncode {
3785         WLAN_SP_RESERVED = 0,
3786         WLAN_SP_MESH_PEERING_OPEN = 1,
3787         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3788         WLAN_SP_MESH_PEERING_CLOSE = 3,
3789         WLAN_SP_MGK_INFORM = 4,
3790         WLAN_SP_MGK_ACK = 5,
3791 };
3792
3793 /* Mesh action codes */
3794 enum ieee80211_mesh_actioncode {
3795         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3796         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3797         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3798         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3799         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3800         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3801         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3802         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3803         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3804         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3805         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3806 };
3807
3808 /* Unprotected WNM action codes */
3809 enum ieee80211_unprotected_wnm_actioncode {
3810         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3811         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3812 };
3813
3814 /* Protected EHT action codes */
3815 enum ieee80211_protected_eht_actioncode {
3816         WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0,
3817         WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1,
3818         WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2,
3819 };
3820
3821 /* Security key length */
3822 enum ieee80211_key_len {
3823         WLAN_KEY_LEN_WEP40 = 5,
3824         WLAN_KEY_LEN_WEP104 = 13,
3825         WLAN_KEY_LEN_CCMP = 16,
3826         WLAN_KEY_LEN_CCMP_256 = 32,
3827         WLAN_KEY_LEN_TKIP = 32,
3828         WLAN_KEY_LEN_AES_CMAC = 16,
3829         WLAN_KEY_LEN_SMS4 = 32,
3830         WLAN_KEY_LEN_GCMP = 16,
3831         WLAN_KEY_LEN_GCMP_256 = 32,
3832         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3833         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3834         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3835 };
3836
3837 enum ieee80211_s1g_actioncode {
3838         WLAN_S1G_AID_SWITCH_REQUEST,
3839         WLAN_S1G_AID_SWITCH_RESPONSE,
3840         WLAN_S1G_SYNC_CONTROL,
3841         WLAN_S1G_STA_INFO_ANNOUNCE,
3842         WLAN_S1G_EDCA_PARAM_SET,
3843         WLAN_S1G_EL_OPERATION,
3844         WLAN_S1G_TWT_SETUP,
3845         WLAN_S1G_TWT_TEARDOWN,
3846         WLAN_S1G_SECT_GROUP_ID_LIST,
3847         WLAN_S1G_SECT_ID_FEEDBACK,
3848         WLAN_S1G_TWT_INFORMATION = 11,
3849 };
3850
3851 #define IEEE80211_WEP_IV_LEN            4
3852 #define IEEE80211_WEP_ICV_LEN           4
3853 #define IEEE80211_CCMP_HDR_LEN          8
3854 #define IEEE80211_CCMP_MIC_LEN          8
3855 #define IEEE80211_CCMP_PN_LEN           6
3856 #define IEEE80211_CCMP_256_HDR_LEN      8
3857 #define IEEE80211_CCMP_256_MIC_LEN      16
3858 #define IEEE80211_CCMP_256_PN_LEN       6
3859 #define IEEE80211_TKIP_IV_LEN           8
3860 #define IEEE80211_TKIP_ICV_LEN          4
3861 #define IEEE80211_CMAC_PN_LEN           6
3862 #define IEEE80211_GMAC_PN_LEN           6
3863 #define IEEE80211_GCMP_HDR_LEN          8
3864 #define IEEE80211_GCMP_MIC_LEN          16
3865 #define IEEE80211_GCMP_PN_LEN           6
3866
3867 #define FILS_NONCE_LEN                  16
3868 #define FILS_MAX_KEK_LEN                64
3869
3870 #define FILS_ERP_MAX_USERNAME_LEN       16
3871 #define FILS_ERP_MAX_REALM_LEN          253
3872 #define FILS_ERP_MAX_RRK_LEN            64
3873
3874 #define PMK_MAX_LEN                     64
3875 #define SAE_PASSWORD_MAX_LEN            128
3876
3877 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3878 enum ieee80211_pub_actioncode {
3879         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3880         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3881         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3882         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3883         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3884         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3885         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3886         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3887         WLAN_PUB_ACTION_DSE_PC = 8,
3888         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3889         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3890         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3891         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3892         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3893         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3894         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3895         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3896         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3897         WLAN_PUB_ACTION_QMF_POLICY = 18,
3898         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3899         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3900         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3901         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3902         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3903         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3904         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3905         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3906         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3907         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3908         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3909         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3910         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3911         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3912         WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3913         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3914 };
3915
3916 /* TDLS action codes */
3917 enum ieee80211_tdls_actioncode {
3918         WLAN_TDLS_SETUP_REQUEST = 0,
3919         WLAN_TDLS_SETUP_RESPONSE = 1,
3920         WLAN_TDLS_SETUP_CONFIRM = 2,
3921         WLAN_TDLS_TEARDOWN = 3,
3922         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3923         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3924         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3925         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3926         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3927         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3928         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3929 };
3930
3931 /* Extended Channel Switching capability to be set in the 1st byte of
3932  * the @WLAN_EID_EXT_CAPABILITY information element
3933  */
3934 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3935
3936 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3937  * @WLAN_EID_EXT_CAPABILITY information element
3938  */
3939 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3940
3941 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3942  * of the @WLAN_EID_EXT_CAPABILITY information element
3943  */
3944 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3945
3946 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3947 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3948 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3949 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3950
3951 /* Interworking capabilities are set in 7th bit of 4th byte of the
3952  * @WLAN_EID_EXT_CAPABILITY information element
3953  */
3954 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3955
3956 /*
3957  * TDLS capabililites to be enabled in the 5th byte of the
3958  * @WLAN_EID_EXT_CAPABILITY information element
3959  */
3960 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3961 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3962 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3963
3964 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3965 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3966
3967 /* Defines the maximal number of MSDUs in an A-MSDU. */
3968 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3969 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3970
3971 /*
3972  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3973  * information element
3974  */
3975 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3976
3977 /* Defines support for TWT Requester and TWT Responder */
3978 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3979 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3980
3981 /*
3982  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3983  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3984  * 26-tone RU UL OFDMA transmissions as radar pulses).
3985  */
3986 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3987
3988 /* Defines support for enhanced multi-bssid advertisement*/
3989 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3990
3991 /* TDLS specific payload type in the LLC/SNAP header */
3992 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3993
3994 /* BSS Coex IE information field bits */
3995 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3996
3997 /**
3998  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3999  *
4000  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
4001  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
4002  *      that will be specified in a vendor specific information element
4003  */
4004 enum ieee80211_mesh_sync_method {
4005         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
4006         IEEE80211_SYNC_METHOD_VENDOR = 255,
4007 };
4008
4009 /**
4010  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
4011  *
4012  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
4013  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
4014  *      be specified in a vendor specific information element
4015  */
4016 enum ieee80211_mesh_path_protocol {
4017         IEEE80211_PATH_PROTOCOL_HWMP = 1,
4018         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
4019 };
4020
4021 /**
4022  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
4023  *
4024  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
4025  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
4026  *      specified in a vendor specific information element
4027  */
4028 enum ieee80211_mesh_path_metric {
4029         IEEE80211_PATH_METRIC_AIRTIME = 1,
4030         IEEE80211_PATH_METRIC_VENDOR = 255,
4031 };
4032
4033 /**
4034  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
4035  *
4036  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
4037  *
4038  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
4039  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
4040  *      this value
4041  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
4042  *      the proactive PREQ with proactive PREP subfield set to 0
4043  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
4044  *      supports the proactive PREQ with proactive PREP subfield set to 1
4045  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
4046  *      the proactive RANN
4047  */
4048 enum ieee80211_root_mode_identifier {
4049         IEEE80211_ROOTMODE_NO_ROOT = 0,
4050         IEEE80211_ROOTMODE_ROOT = 1,
4051         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
4052         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
4053         IEEE80211_PROACTIVE_RANN = 4,
4054 };
4055
4056 /*
4057  * IEEE 802.11-2007 7.3.2.9 Country information element
4058  *
4059  * Minimum length is 8 octets, ie len must be evenly
4060  * divisible by 2
4061  */
4062
4063 /* Although the spec says 8 I'm seeing 6 in practice */
4064 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
4065
4066 /* The Country String field of the element shall be 3 octets in length */
4067 #define IEEE80211_COUNTRY_STRING_LEN    3
4068
4069 /*
4070  * For regulatory extension stuff see IEEE 802.11-2007
4071  * Annex I (page 1141) and Annex J (page 1147). Also
4072  * review 7.3.2.9.
4073  *
4074  * When dot11RegulatoryClassesRequired is true and the
4075  * first_channel/reg_extension_id is >= 201 then the IE
4076  * compromises of the 'ext' struct represented below:
4077  *
4078  *  - Regulatory extension ID - when generating IE this just needs
4079  *    to be monotonically increasing for each triplet passed in
4080  *    the IE
4081  *  - Regulatory class - index into set of rules
4082  *  - Coverage class - index into air propagation time (Table 7-27),
4083  *    in microseconds, you can compute the air propagation time from
4084  *    the index by multiplying by 3, so index 10 yields a propagation
4085  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
4086  *    yet. A value of 0 inicates air propagation of <= 1 us.
4087  *
4088  *  See also Table I.2 for Emission limit sets and table
4089  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
4090  *  a reg_class to an emission limit set and behavior limit set.
4091  */
4092 #define IEEE80211_COUNTRY_EXTENSION_ID 201
4093
4094 /*
4095  *  Channels numbers in the IE must be monotonically increasing
4096  *  if dot11RegulatoryClassesRequired is not true.
4097  *
4098  *  If dot11RegulatoryClassesRequired is true consecutive
4099  *  subband triplets following a regulatory triplet shall
4100  *  have monotonically increasing first_channel number fields.
4101  *
4102  *  Channel numbers shall not overlap.
4103  *
4104  *  Note that max_power is signed.
4105  */
4106 struct ieee80211_country_ie_triplet {
4107         union {
4108                 struct {
4109                         u8 first_channel;
4110                         u8 num_channels;
4111                         s8 max_power;
4112                 } __packed chans;
4113                 struct {
4114                         u8 reg_extension_id;
4115                         u8 reg_class;
4116                         u8 coverage_class;
4117                 } __packed ext;
4118         };
4119 } __packed;
4120
4121 enum ieee80211_timeout_interval_type {
4122         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
4123         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
4124         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
4125 };
4126
4127 /**
4128  * struct ieee80211_timeout_interval_ie - Timeout Interval element
4129  * @type: type, see &enum ieee80211_timeout_interval_type
4130  * @value: timeout interval value
4131  */
4132 struct ieee80211_timeout_interval_ie {
4133         u8 type;
4134         __le32 value;
4135 } __packed;
4136
4137 /**
4138  * enum ieee80211_idle_options - BSS idle options
4139  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
4140  *      protected frame to the AP to reset the idle timer at the AP for
4141  *      the station.
4142  */
4143 enum ieee80211_idle_options {
4144         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
4145 };
4146
4147 /**
4148  * struct ieee80211_bss_max_idle_period_ie
4149  *
4150  * This structure refers to "BSS Max idle period element"
4151  *
4152  * @max_idle_period: indicates the time period during which a station can
4153  *      refrain from transmitting frames to its associated AP without being
4154  *      disassociated. In units of 1000 TUs.
4155  * @idle_options: indicates the options associated with the BSS idle capability
4156  *      as specified in &enum ieee80211_idle_options.
4157  */
4158 struct ieee80211_bss_max_idle_period_ie {
4159         __le16 max_idle_period;
4160         u8 idle_options;
4161 } __packed;
4162
4163 /* BACK action code */
4164 enum ieee80211_back_actioncode {
4165         WLAN_ACTION_ADDBA_REQ = 0,
4166         WLAN_ACTION_ADDBA_RESP = 1,
4167         WLAN_ACTION_DELBA = 2,
4168 };
4169
4170 /* BACK (block-ack) parties */
4171 enum ieee80211_back_parties {
4172         WLAN_BACK_RECIPIENT = 0,
4173         WLAN_BACK_INITIATOR = 1,
4174 };
4175
4176 /* SA Query action */
4177 enum ieee80211_sa_query_action {
4178         WLAN_ACTION_SA_QUERY_REQUEST = 0,
4179         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
4180 };
4181
4182 /**
4183  * struct ieee80211_bssid_index
4184  *
4185  * This structure refers to "Multiple BSSID-index element"
4186  *
4187  * @bssid_index: BSSID index
4188  * @dtim_period: optional, overrides transmitted BSS dtim period
4189  * @dtim_count: optional, overrides transmitted BSS dtim count
4190  */
4191 struct ieee80211_bssid_index {
4192         u8 bssid_index;
4193         u8 dtim_period;
4194         u8 dtim_count;
4195 };
4196
4197 /**
4198  * struct ieee80211_multiple_bssid_configuration
4199  *
4200  * This structure refers to "Multiple BSSID Configuration element"
4201  *
4202  * @bssid_count: total number of active BSSIDs in the set
4203  * @profile_periodicity: the least number of beacon frames need to be received
4204  *      in order to discover all the nontransmitted BSSIDs in the set.
4205  */
4206 struct ieee80211_multiple_bssid_configuration {
4207         u8 bssid_count;
4208         u8 profile_periodicity;
4209 };
4210
4211 #define SUITE(oui, id)  (((oui) << 8) | (id))
4212
4213 /* cipher suite selectors */
4214 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
4215 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
4216 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
4217 /* reserved:                            SUITE(0x000FAC, 3) */
4218 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
4219 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
4220 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
4221 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
4222 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
4223 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
4224 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
4225 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
4226 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
4227
4228 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
4229
4230 /* AKM suite selectors */
4231 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
4232 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
4233 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
4234 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
4235 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
4236 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
4237 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
4238 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
4239 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
4240 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
4241 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
4242 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
4243 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
4244 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
4245 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
4246 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
4247 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
4248 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
4249 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
4250 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
4251
4252 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
4253
4254 #define WLAN_MAX_KEY_LEN                32
4255
4256 #define WLAN_PMK_NAME_LEN               16
4257 #define WLAN_PMKID_LEN                  16
4258 #define WLAN_PMK_LEN_EAP_LEAP           16
4259 #define WLAN_PMK_LEN                    32
4260 #define WLAN_PMK_LEN_SUITE_B_192        48
4261
4262 #define WLAN_OUI_WFA                    0x506f9a
4263 #define WLAN_OUI_TYPE_WFA_P2P           9
4264 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
4265 #define WLAN_OUI_MICROSOFT              0x0050f2
4266 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
4267 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
4268 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
4269 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
4270
4271 /*
4272  * WMM/802.11e Tspec Element
4273  */
4274 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4275 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4276
4277 enum ieee80211_tspec_status_code {
4278         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4279         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4280 };
4281
4282 struct ieee80211_tspec_ie {
4283         u8 element_id;
4284         u8 len;
4285         u8 oui[3];
4286         u8 oui_type;
4287         u8 oui_subtype;
4288         u8 version;
4289         __le16 tsinfo;
4290         u8 tsinfo_resvd;
4291         __le16 nominal_msdu;
4292         __le16 max_msdu;
4293         __le32 min_service_int;
4294         __le32 max_service_int;
4295         __le32 inactivity_int;
4296         __le32 suspension_int;
4297         __le32 service_start_time;
4298         __le32 min_data_rate;
4299         __le32 mean_data_rate;
4300         __le32 peak_data_rate;
4301         __le32 max_burst_size;
4302         __le32 delay_bound;
4303         __le32 min_phy_rate;
4304         __le16 sba;
4305         __le16 medium_time;
4306 } __packed;
4307
4308 struct ieee80211_he_6ghz_capa {
4309         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4310         __le16 capa;
4311 } __packed;
4312
4313 /* HE 6 GHz band capabilities */
4314 /* uses enum ieee80211_min_mpdu_spacing values */
4315 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4316 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4317 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4318 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4319 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4320 /* WLAN_HT_CAP_SM_PS_* values */
4321 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4322 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4323 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4324 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4325
4326 /**
4327  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4328  * @hdr: the frame
4329  *
4330  * The qos ctrl bytes come after the frame_control, duration, seq_num
4331  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4332  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4333  */
4334 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4335 {
4336         union {
4337                 struct ieee80211_qos_hdr        addr3;
4338                 struct ieee80211_qos_hdr_4addr  addr4;
4339         } *qos;
4340
4341         qos = (void *)hdr;
4342         if (ieee80211_has_a4(qos->addr3.frame_control))
4343                 return (u8 *)&qos->addr4.qos_ctrl;
4344         else
4345                 return (u8 *)&qos->addr3.qos_ctrl;
4346 }
4347
4348 /**
4349  * ieee80211_get_tid - get qos TID
4350  * @hdr: the frame
4351  */
4352 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4353 {
4354         u8 *qc = ieee80211_get_qos_ctl(hdr);
4355
4356         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4357 }
4358
4359 /**
4360  * ieee80211_get_SA - get pointer to SA
4361  * @hdr: the frame
4362  *
4363  * Given an 802.11 frame, this function returns the offset
4364  * to the source address (SA). It does not verify that the
4365  * header is long enough to contain the address, and the
4366  * header must be long enough to contain the frame control
4367  * field.
4368  */
4369 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4370 {
4371         if (ieee80211_has_a4(hdr->frame_control))
4372                 return hdr->addr4;
4373         if (ieee80211_has_fromds(hdr->frame_control))
4374                 return hdr->addr3;
4375         return hdr->addr2;
4376 }
4377
4378 /**
4379  * ieee80211_get_DA - get pointer to DA
4380  * @hdr: the frame
4381  *
4382  * Given an 802.11 frame, this function returns the offset
4383  * to the destination address (DA). It does not verify that
4384  * the header is long enough to contain the address, and the
4385  * header must be long enough to contain the frame control
4386  * field.
4387  */
4388 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4389 {
4390         if (ieee80211_has_tods(hdr->frame_control))
4391                 return hdr->addr3;
4392         else
4393                 return hdr->addr1;
4394 }
4395
4396 /**
4397  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4398  * @skb: the skb to check, starting with the 802.11 header
4399  */
4400 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4401 {
4402         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4403         __le16 fc = mgmt->frame_control;
4404
4405         /*
4406          * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4407          * note that this ignores the IBSS special case.
4408          */
4409         if (!ieee80211_is_mgmt(fc))
4410                 return false;
4411
4412         if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4413                 return true;
4414
4415         if (!ieee80211_is_action(fc))
4416                 return false;
4417
4418         if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4419                 return true;
4420
4421         /* action frame - additionally check for non-bufferable FTM */
4422
4423         if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4424             mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4425                 return true;
4426
4427         if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4428             mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4429                 return false;
4430
4431         return true;
4432 }
4433
4434 /**
4435  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4436  * @hdr: the frame (buffer must include at least the first octet of payload)
4437  */
4438 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4439 {
4440         if (ieee80211_is_disassoc(hdr->frame_control) ||
4441             ieee80211_is_deauth(hdr->frame_control))
4442                 return true;
4443
4444         if (ieee80211_is_action(hdr->frame_control)) {
4445                 u8 *category;
4446
4447                 /*
4448                  * Action frames, excluding Public Action frames, are Robust
4449                  * Management Frames. However, if we are looking at a Protected
4450                  * frame, skip the check since the data may be encrypted and
4451                  * the frame has already been found to be a Robust Management
4452                  * Frame (by the other end).
4453                  */
4454                 if (ieee80211_has_protected(hdr->frame_control))
4455                         return true;
4456                 category = ((u8 *) hdr) + 24;
4457                 return *category != WLAN_CATEGORY_PUBLIC &&
4458                         *category != WLAN_CATEGORY_HT &&
4459                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4460                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4461                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4462                         *category != WLAN_CATEGORY_VHT &&
4463                         *category != WLAN_CATEGORY_S1G &&
4464                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4465         }
4466
4467         return false;
4468 }
4469
4470 /**
4471  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4472  * @skb: the skb containing the frame, length will be checked
4473  */
4474 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4475 {
4476         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4477                 return false;
4478         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4479 }
4480
4481 /**
4482  * ieee80211_is_public_action - check if frame is a public action frame
4483  * @hdr: the frame
4484  * @len: length of the frame
4485  */
4486 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4487                                               size_t len)
4488 {
4489         struct ieee80211_mgmt *mgmt = (void *)hdr;
4490
4491         if (len < IEEE80211_MIN_ACTION_SIZE)
4492                 return false;
4493         if (!ieee80211_is_action(hdr->frame_control))
4494                 return false;
4495         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4496 }
4497
4498 /**
4499  * ieee80211_is_protected_dual_of_public_action - check if skb contains a
4500  * protected dual of public action management frame
4501  * @skb: the skb containing the frame, length will be checked
4502  *
4503  * Return: true if the skb contains a protected dual of public action
4504  * management frame, false otherwise.
4505  */
4506 static inline bool
4507 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
4508 {
4509         u8 action;
4510
4511         if (!ieee80211_is_public_action((void *)skb->data, skb->len) ||
4512             skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
4513                 return false;
4514
4515         action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);
4516
4517         return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
4518                 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
4519                 action != WLAN_PUB_ACTION_MSMT_PILOT &&
4520                 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
4521                 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
4522                 action != WLAN_PUB_ACTION_FTM_REQUEST &&
4523                 action != WLAN_PUB_ACTION_FTM_RESPONSE &&
4524                 action != WLAN_PUB_ACTION_FILS_DISCOVERY &&
4525                 action != WLAN_PUB_ACTION_VENDOR_SPECIFIC;
4526 }
4527
4528 /**
4529  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4530  * privacy action frame
4531  * @hdr: the frame
4532  */
4533 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4534 {
4535         struct ieee80211_mgmt *mgmt = (void *)hdr;
4536
4537         if (!ieee80211_is_action(hdr->frame_control) ||
4538             !is_multicast_ether_addr(hdr->addr1))
4539                 return false;
4540
4541         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4542                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4543 }
4544
4545 /**
4546  * ieee80211_is_group_privacy_action - check if frame is a group addressed
4547  * privacy action frame
4548  * @skb: the skb containing the frame, length will be checked
4549  */
4550 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4551 {
4552         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4553                 return false;
4554         return _ieee80211_is_group_privacy_action((void *)skb->data);
4555 }
4556
4557 /**
4558  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4559  * @tu: the TUs
4560  */
4561 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4562 {
4563         return 1024 * tu;
4564 }
4565
4566 /**
4567  * ieee80211_check_tim - check if AID bit is set in TIM
4568  * @tim: the TIM IE
4569  * @tim_len: length of the TIM IE
4570  * @aid: the AID to look for
4571  */
4572 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4573                                        u8 tim_len, u16 aid)
4574 {
4575         u8 mask;
4576         u8 index, indexn1, indexn2;
4577
4578         if (unlikely(!tim || tim_len < sizeof(*tim)))
4579                 return false;
4580
4581         aid &= 0x3fff;
4582         index = aid / 8;
4583         mask  = 1 << (aid & 7);
4584
4585         indexn1 = tim->bitmap_ctrl & 0xfe;
4586         indexn2 = tim_len + indexn1 - 4;
4587
4588         if (index < indexn1 || index > indexn2)
4589                 return false;
4590
4591         index -= indexn1;
4592
4593         return !!(tim->virtual_map[index] & mask);
4594 }
4595
4596 /**
4597  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4598  * @skb: the skb containing the frame, length will not be checked
4599  *
4600  * This function assumes the frame is a data frame, and that the network header
4601  * is in the correct place.
4602  */
4603 static inline int ieee80211_get_tdls_action(struct sk_buff *skb)
4604 {
4605         if (!skb_is_nonlinear(skb) &&
4606             skb->len > (skb_network_offset(skb) + 2)) {
4607                 /* Point to where the indication of TDLS should start */
4608                 const u8 *tdls_data = skb_network_header(skb) - 2;
4609
4610                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4611                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4612                     tdls_data[3] == WLAN_CATEGORY_TDLS)
4613                         return tdls_data[4];
4614         }
4615
4616         return -1;
4617 }
4618
4619 /* convert time units */
4620 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
4621 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
4622
4623 /* convert frequencies */
4624 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4625 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4626 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4627 #define KHZ_F "%d.%03d"
4628
4629 /* convert powers */
4630 #define DBI_TO_MBI(gain) ((gain) * 100)
4631 #define MBI_TO_DBI(gain) ((gain) / 100)
4632 #define DBM_TO_MBM(gain) ((gain) * 100)
4633 #define MBM_TO_DBM(gain) ((gain) / 100)
4634
4635 /**
4636  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4637  * @skb: the skb containing the frame, length will be checked
4638  *
4639  * This function checks if it's either TPC report action frame or Link
4640  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4641  * and 8.5.7.5 accordingly.
4642  */
4643 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4644 {
4645         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4646
4647         if (!ieee80211_is_action(mgmt->frame_control))
4648                 return false;
4649
4650         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4651                        sizeof(mgmt->u.action.u.tpc_report))
4652                 return false;
4653
4654         /*
4655          * TPC report - check that:
4656          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4657          * spectrum management action = 3 (TPC/Link Measurement report)
4658          * TPC report EID = 35
4659          * TPC report element length = 2
4660          *
4661          * The spectrum management's tpc_report struct is used here both for
4662          * parsing tpc_report and radio measurement's link measurement report
4663          * frame, since the relevant part is identical in both frames.
4664          */
4665         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4666             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4667                 return false;
4668
4669         /* both spectrum mgmt and link measurement have same action code */
4670         if (mgmt->u.action.u.tpc_report.action_code !=
4671             WLAN_ACTION_SPCT_TPC_RPRT)
4672                 return false;
4673
4674         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4675             mgmt->u.action.u.tpc_report.tpc_elem_length !=
4676             sizeof(struct ieee80211_tpc_report_ie))
4677                 return false;
4678
4679         return true;
4680 }
4681
4682 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4683 {
4684         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4685
4686         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4687                 return false;
4688
4689         if (!ieee80211_is_action(mgmt->frame_control))
4690                 return false;
4691
4692         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4693             mgmt->u.action.u.wnm_timing_msr.action_code ==
4694                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4695             skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4696                 return true;
4697
4698         return false;
4699 }
4700
4701 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4702 {
4703         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4704
4705         if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4706                 return false;
4707
4708         if (mgmt->u.action.u.ftm.action_code ==
4709                 WLAN_PUB_ACTION_FTM_RESPONSE &&
4710             skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4711                 return true;
4712
4713         return false;
4714 }
4715
4716 struct element {
4717         u8 id;
4718         u8 datalen;
4719         u8 data[];
4720 } __packed;
4721
4722 /* element iteration helpers */
4723 #define for_each_element(_elem, _data, _datalen)                        \
4724         for (_elem = (const struct element *)(_data);                   \
4725              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4726                 (int)sizeof(*_elem) &&                                  \
4727              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4728                 (int)sizeof(*_elem) + _elem->datalen;                   \
4729              _elem = (const struct element *)(_elem->data + _elem->datalen))
4730
4731 #define for_each_element_id(element, _id, data, datalen)                \
4732         for_each_element(element, data, datalen)                        \
4733                 if (element->id == (_id))
4734
4735 #define for_each_element_extid(element, extid, _data, _datalen)         \
4736         for_each_element(element, _data, _datalen)                      \
4737                 if (element->id == WLAN_EID_EXTENSION &&                \
4738                     element->datalen > 0 &&                             \
4739                     element->data[0] == (extid))
4740
4741 #define for_each_subelement(sub, element)                               \
4742         for_each_element(sub, (element)->data, (element)->datalen)
4743
4744 #define for_each_subelement_id(sub, id, element)                        \
4745         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4746
4747 #define for_each_subelement_extid(sub, extid, element)                  \
4748         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4749
4750 /**
4751  * for_each_element_completed - determine if element parsing consumed all data
4752  * @element: element pointer after for_each_element() or friends
4753  * @data: same data pointer as passed to for_each_element() or friends
4754  * @datalen: same data length as passed to for_each_element() or friends
4755  *
4756  * This function returns %true if all the data was parsed or considered
4757  * while walking the elements. Only use this if your for_each_element()
4758  * loop cannot be broken out of, otherwise it always returns %false.
4759  *
4760  * If some data was malformed, this returns %false since the last parsed
4761  * element will not fill the whole remaining data.
4762  */
4763 static inline bool for_each_element_completed(const struct element *element,
4764                                               const void *data, size_t datalen)
4765 {
4766         return (const u8 *)element == (const u8 *)data + datalen;
4767 }
4768
4769 /*
4770  * RSNX Capabilities:
4771  * bits 0-3: Field length (n-1)
4772  */
4773 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4774 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4775
4776 /*
4777  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4778  * section 9.4.2.170 and accepted contributions.
4779  */
4780 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4781 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4782 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4783 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4784 #define IEEE80211_TBTT_INFO_TYPE_TBTT                           0
4785 #define IEEE80211_TBTT_INFO_TYPE_MLD                            1
4786
4787 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4788 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4789 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4790 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4791 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4792 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4793 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4794
4795 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT                  127
4796 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED                  -128
4797
4798 struct ieee80211_neighbor_ap_info {
4799         u8 tbtt_info_hdr;
4800         u8 tbtt_info_len;
4801         u8 op_class;
4802         u8 channel;
4803 } __packed;
4804
4805 enum ieee80211_range_params_max_total_ltf {
4806         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4807         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4808         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4809         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4810 };
4811
4812 /*
4813  * reduced neighbor report, based on Draft P802.11be_D3.0,
4814  * section 9.4.2.170.2.
4815  */
4816 struct ieee80211_rnr_mld_params {
4817         u8 mld_id;
4818         __le16 params;
4819 } __packed;
4820
4821 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID                        0x000F
4822 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT               0x0FF0
4823 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED               0x1000
4824 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK                  0x2000
4825
4826 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4827 struct ieee80211_tbtt_info_7_8_9 {
4828         u8 tbtt_offset;
4829         u8 bssid[ETH_ALEN];
4830
4831         /* The following element is optional, structure may not grow */
4832         u8 bss_params;
4833         s8 psd_20;
4834 } __packed;
4835
4836 /* Format of the TBTT information element if it has >= 11 bytes */
4837 struct ieee80211_tbtt_info_ge_11 {
4838         u8 tbtt_offset;
4839         u8 bssid[ETH_ALEN];
4840         __le32 short_ssid;
4841
4842         /* The following elements are optional, structure may grow */
4843         u8 bss_params;
4844         s8 psd_20;
4845         struct ieee80211_rnr_mld_params mld_params;
4846 } __packed;
4847
4848 /* multi-link device */
4849 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4850
4851 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4852 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4853 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4854 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4855 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4856 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4857 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4858
4859 struct ieee80211_multi_link_elem {
4860         __le16 control;
4861         u8 variable[];
4862 } __packed;
4863
4864 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4865 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4866 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4867 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4868 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4869 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4870
4871 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4872 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4873 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4874
4875 /*
4876  * Described in P802.11be_D3.0
4877  * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4878  * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4879  * dot11MSDTXOPMAX defaults to 1
4880  */
4881 #define IEEE80211_MED_SYNC_DELAY_DEFAULT                0x10ac
4882
4883 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4884 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4885 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4886 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4887 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4888 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4889 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4890 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4891 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4892 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4893 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4894 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4895 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4896 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4897 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4898 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4899 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4900 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4901 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4902 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4903 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4904 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4905 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4906 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4907 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4908 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4909 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4910 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4911 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4912 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4913 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4914 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4915 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4916 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4917
4918 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4919 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4920 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4921 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_NO_SUPP        0
4922 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME      1
4923 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_RESERVED       2
4924 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF      3
4925 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4926 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4927
4928 struct ieee80211_mle_basic_common_info {
4929         u8 len;
4930         u8 mld_mac_addr[ETH_ALEN];
4931         u8 variable[];
4932 } __packed;
4933
4934 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4935
4936 struct ieee80211_mle_preq_common_info {
4937         u8 len;
4938         u8 variable[];
4939 } __packed;
4940
4941 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4942
4943 /* no fixed fields in RECONF */
4944
4945 struct ieee80211_mle_tdls_common_info {
4946         u8 len;
4947         u8 ap_mld_mac_addr[ETH_ALEN];
4948 } __packed;
4949
4950 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4951
4952 /* no fixed fields in PRIO_ACCESS */
4953
4954 /**
4955  * ieee80211_mle_common_size - check multi-link element common size
4956  * @data: multi-link element, must already be checked for size using
4957  *      ieee80211_mle_size_ok()
4958  */
4959 static inline u8 ieee80211_mle_common_size(const u8 *data)
4960 {
4961         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4962         u16 control = le16_to_cpu(mle->control);
4963         u8 common = 0;
4964
4965         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4966         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4967         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4968         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4969         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4970                 /*
4971                  * The length is the first octet pointed by mle->variable so no
4972                  * need to add anything
4973                  */
4974                 break;
4975         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4976                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4977                         common += ETH_ALEN;
4978                 return common;
4979         default:
4980                 WARN_ON(1);
4981                 return 0;
4982         }
4983
4984         return sizeof(*mle) + common + mle->variable[0];
4985 }
4986
4987 /**
4988  * ieee80211_mle_get_link_id - returns the link ID
4989  * @data: the basic multi link element
4990  *
4991  * The element is assumed to be of the correct type (BASIC) and big enough,
4992  * this must be checked using ieee80211_mle_type_ok().
4993  *
4994  * If the BSS link ID can't be found, -1 will be returned
4995  */
4996 static inline int ieee80211_mle_get_link_id(const u8 *data)
4997 {
4998         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4999         u16 control = le16_to_cpu(mle->control);
5000         const u8 *common = mle->variable;
5001
5002         /* common points now at the beginning of ieee80211_mle_basic_common_info */
5003         common += sizeof(struct ieee80211_mle_basic_common_info);
5004
5005         if (!(control & IEEE80211_MLC_BASIC_PRES_LINK_ID))
5006                 return -1;
5007
5008         return *common;
5009 }
5010
5011 /**
5012  * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
5013  * @data: pointer to the basic multi link element
5014  *
5015  * The element is assumed to be of the correct type (BASIC) and big enough,
5016  * this must be checked using ieee80211_mle_type_ok().
5017  *
5018  * If the BSS parameter change count value can't be found (the presence bit
5019  * for it is clear), -1 will be returned.
5020  */
5021 static inline int
5022 ieee80211_mle_get_bss_param_ch_cnt(const u8 *data)
5023 {
5024         const struct ieee80211_multi_link_elem *mle = (const void *)data;
5025         u16 control = le16_to_cpu(mle->control);
5026         const u8 *common = mle->variable;
5027
5028         /* common points now at the beginning of ieee80211_mle_basic_common_info */
5029         common += sizeof(struct ieee80211_mle_basic_common_info);
5030
5031         if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
5032                 return -1;
5033
5034         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5035                 common += 1;
5036
5037         return *common;
5038 }
5039
5040 /**
5041  * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
5042  * @data: pointer to the multi link EHT IE
5043  *
5044  * The element is assumed to be of the correct type (BASIC) and big enough,
5045  * this must be checked using ieee80211_mle_type_ok().
5046  *
5047  * If the medium synchronization is not present, then the default value is
5048  * returned.
5049  */
5050 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
5051 {
5052         const struct ieee80211_multi_link_elem *mle = (const void *)data;
5053         u16 control = le16_to_cpu(mle->control);
5054         const u8 *common = mle->variable;
5055
5056         /* common points now at the beginning of ieee80211_mle_basic_common_info */
5057         common += sizeof(struct ieee80211_mle_basic_common_info);
5058
5059         if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
5060                 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
5061
5062         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5063                 common += 1;
5064         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5065                 common += 1;
5066
5067         return get_unaligned_le16(common);
5068 }
5069
5070 /**
5071  * ieee80211_mle_get_eml_cap - returns the EML capability
5072  * @data: pointer to the multi link EHT IE
5073  *
5074  * The element is assumed to be of the correct type (BASIC) and big enough,
5075  * this must be checked using ieee80211_mle_type_ok().
5076  *
5077  * If the EML capability is not present, 0 will be returned.
5078  */
5079 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
5080 {
5081         const struct ieee80211_multi_link_elem *mle = (const void *)data;
5082         u16 control = le16_to_cpu(mle->control);
5083         const u8 *common = mle->variable;
5084
5085         /* common points now at the beginning of ieee80211_mle_basic_common_info */
5086         common += sizeof(struct ieee80211_mle_basic_common_info);
5087
5088         if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
5089                 return 0;
5090
5091         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5092                 common += 1;
5093         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5094                 common += 1;
5095         if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5096                 common += 2;
5097
5098         return get_unaligned_le16(common);
5099 }
5100
5101 /**
5102  * ieee80211_mle_get_mld_capa_op - returns the MLD capabilities and operations.
5103  * @data: pointer to the multi link EHT IE
5104  *
5105  * The element is assumed to be of the correct type (BASIC) and big enough,
5106  * this must be checked using ieee80211_mle_type_ok().
5107  *
5108  * If the MLD capabilities and operations field is not present, 0 will be
5109  * returned.
5110  */
5111 static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data)
5112 {
5113         const struct ieee80211_multi_link_elem *mle = (const void *)data;
5114         u16 control = le16_to_cpu(mle->control);
5115         const u8 *common = mle->variable;
5116
5117         /*
5118          * common points now at the beginning of
5119          * ieee80211_mle_basic_common_info
5120          */
5121         common += sizeof(struct ieee80211_mle_basic_common_info);
5122
5123         if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP))
5124                 return 0;
5125
5126         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5127                 common += 1;
5128         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5129                 common += 1;
5130         if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5131                 common += 2;
5132         if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5133                 common += 2;
5134
5135         return get_unaligned_le16(common);
5136 }
5137
5138 /**
5139  * ieee80211_mle_get_mld_id - returns the MLD ID
5140  * @data: pointer to the multi link element
5141  *
5142  * The element is assumed to be of the correct type (BASIC) and big enough,
5143  * this must be checked using ieee80211_mle_type_ok().
5144  *
5145  * If the MLD ID is not present, 0 will be returned.
5146  */
5147 static inline u8 ieee80211_mle_get_mld_id(const u8 *data)
5148 {
5149         const struct ieee80211_multi_link_elem *mle = (const void *)data;
5150         u16 control = le16_to_cpu(mle->control);
5151         const u8 *common = mle->variable;
5152
5153         /*
5154          * common points now at the beginning of
5155          * ieee80211_mle_basic_common_info
5156          */
5157         common += sizeof(struct ieee80211_mle_basic_common_info);
5158
5159         if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_ID))
5160                 return 0;
5161
5162         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5163                 common += 1;
5164         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5165                 common += 1;
5166         if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5167                 common += 2;
5168         if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5169                 common += 2;
5170         if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5171                 common += 2;
5172
5173         return *common;
5174 }
5175
5176 /**
5177  * ieee80211_mle_size_ok - validate multi-link element size
5178  * @data: pointer to the element data
5179  * @len: length of the containing element
5180  */
5181 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
5182 {
5183         const struct ieee80211_multi_link_elem *mle = (const void *)data;
5184         u8 fixed = sizeof(*mle);
5185         u8 common = 0;
5186         bool check_common_len = false;
5187         u16 control;
5188
5189         if (!data || len < fixed)
5190                 return false;
5191
5192         control = le16_to_cpu(mle->control);
5193
5194         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5195         case IEEE80211_ML_CONTROL_TYPE_BASIC:
5196                 common += sizeof(struct ieee80211_mle_basic_common_info);
5197                 check_common_len = true;
5198                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5199                         common += 1;
5200                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5201                         common += 1;
5202                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5203                         common += 2;
5204                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5205                         common += 2;
5206                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5207                         common += 2;
5208                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
5209                         common += 1;
5210                 break;
5211         case IEEE80211_ML_CONTROL_TYPE_PREQ:
5212                 common += sizeof(struct ieee80211_mle_preq_common_info);
5213                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
5214                         common += 1;
5215                 check_common_len = true;
5216                 break;
5217         case IEEE80211_ML_CONTROL_TYPE_RECONF:
5218                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
5219                         common += ETH_ALEN;
5220                 break;
5221         case IEEE80211_ML_CONTROL_TYPE_TDLS:
5222                 common += sizeof(struct ieee80211_mle_tdls_common_info);
5223                 check_common_len = true;
5224                 break;
5225         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5226                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
5227                         common += ETH_ALEN;
5228                 break;
5229         default:
5230                 /* we don't know this type */
5231                 return true;
5232         }
5233
5234         if (len < fixed + common)
5235                 return false;
5236
5237         if (!check_common_len)
5238                 return true;
5239
5240         /* if present, common length is the first octet there */
5241         return mle->variable[0] >= common;
5242 }
5243
5244 /**
5245  * ieee80211_mle_type_ok - validate multi-link element type and size
5246  * @data: pointer to the element data
5247  * @type: expected type of the element
5248  * @len: length of the containing element
5249  */
5250 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
5251 {
5252         const struct ieee80211_multi_link_elem *mle = (const void *)data;
5253         u16 control;
5254
5255         if (!ieee80211_mle_size_ok(data, len))
5256                 return false;
5257
5258         control = le16_to_cpu(mle->control);
5259
5260         if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
5261                 return true;
5262
5263         return false;
5264 }
5265
5266 enum ieee80211_mle_subelems {
5267         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
5268         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
5269 };
5270
5271 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
5272 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
5273 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
5274 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
5275 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
5276 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
5277 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
5278 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
5279 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
5280
5281 struct ieee80211_mle_per_sta_profile {
5282         __le16 control;
5283         u8 sta_info_len;
5284         u8 variable[];
5285 } __packed;
5286
5287 /**
5288  * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
5289  *      profile size
5290  * @data: pointer to the sub element data
5291  * @len: length of the containing sub element
5292  */
5293 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
5294                                                         size_t len)
5295 {
5296         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5297         u16 control;
5298         u8 fixed = sizeof(*prof);
5299         u8 info_len = 1;
5300
5301         if (len < fixed)
5302                 return false;
5303
5304         control = le16_to_cpu(prof->control);
5305
5306         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5307                 info_len += 6;
5308         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5309                 info_len += 2;
5310         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5311                 info_len += 8;
5312         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5313                 info_len += 2;
5314         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5315             control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5316                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5317                         info_len += 2;
5318                 else
5319                         info_len += 1;
5320         }
5321         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
5322                 info_len += 1;
5323
5324         return prof->sta_info_len >= info_len &&
5325                fixed + prof->sta_info_len - 1 <= len;
5326 }
5327
5328 /**
5329  * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
5330  *      parameter change count
5331  * @prof: the per-STA profile, having been checked with
5332  *      ieee80211_mle_basic_sta_prof_size_ok() for the correct length
5333  *
5334  * Return: The BSS parameter change count value if present, 0 otherwise.
5335  */
5336 static inline u8
5337 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
5338 {
5339         u16 control = le16_to_cpu(prof->control);
5340         const u8 *pos = prof->variable;
5341
5342         if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
5343                 return 0;
5344
5345         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5346                 pos += 6;
5347         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5348                 pos += 2;
5349         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5350                 pos += 8;
5351         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5352                 pos += 2;
5353         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5354             control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5355                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5356                         pos += 2;
5357                 else
5358                         pos += 1;
5359         }
5360
5361         return *pos;
5362 }
5363
5364 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID                        0x000f
5365 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE               0x0010
5366 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT           0x0020
5367 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT           0x0040
5368 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE          0x0780
5369 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT       0x0800
5370
5371 /**
5372  * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
5373  *      element sta profile size.
5374  * @data: pointer to the sub element data
5375  * @len: length of the containing sub element
5376  */
5377 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
5378                                                          size_t len)
5379 {
5380         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5381         u16 control;
5382         u8 fixed = sizeof(*prof);
5383         u8 info_len = 1;
5384
5385         if (len < fixed)
5386                 return false;
5387
5388         control = le16_to_cpu(prof->control);
5389
5390         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
5391                 info_len += ETH_ALEN;
5392         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
5393                 info_len += 2;
5394         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
5395                 info_len += 2;
5396
5397         return prof->sta_info_len >= info_len &&
5398                fixed + prof->sta_info_len - 1 <= len;
5399 }
5400
5401 static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len)
5402 {
5403         const struct ieee80211_ttlm_elem *t2l = (const void *)data;
5404         u8 control, fixed = sizeof(*t2l), elem_len = 0;
5405
5406         if (len < fixed)
5407                 return false;
5408
5409         control = t2l->control;
5410
5411         if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT)
5412                 elem_len += 2;
5413         if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)
5414                 elem_len += 3;
5415
5416         if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) {
5417                 u8 bm_size;
5418
5419                 elem_len += 1;
5420                 if (len < fixed + elem_len)
5421                         return false;
5422
5423                 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
5424                         bm_size = 1;
5425                 else
5426                         bm_size = 2;
5427
5428                 elem_len += hweight8(t2l->optional[0]) * bm_size;
5429         }
5430
5431         return len >= fixed + elem_len;
5432 }
5433
5434 #define for_each_mle_subelement(_elem, _data, _len)                     \
5435         if (ieee80211_mle_size_ok(_data, _len))                         \
5436                 for_each_element(_elem,                                 \
5437                                  _data + ieee80211_mle_common_size(_data),\
5438                                  _len - ieee80211_mle_common_size(_data))
5439
5440 #endif /* LINUX_IEEE80211_H */