include/linux/ieee80211.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * IEEE 802.11 defines
   4  *
   5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   6  * <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   8  * Copyright (c) 2005, Devicescape Software, Inc.
   9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12  * Copyright (c) 2018 - 2022 Intel Corporation
  13  */
  14
  15 #ifndef LINUX_IEEE80211_H
  16 #define LINUX_IEEE80211_H
  17
  18 #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 11ah 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_TODS         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 u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 195 {
 196         return (sn1 + sn2) & IEEE80211_SN_MASK;
 197 }
 198
 199 static inline u16 ieee80211_sn_inc(u16 sn)
 200 {
 201         return ieee80211_sn_add(sn, 1);
 202 }
 203
 204 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 205 {
 206         return (sn1 - sn2) & IEEE80211_SN_MASK;
 207 }
 208
 209 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 210 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 211
 212 /* miscellaneous IEEE 802.11 constants */
 213 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 214 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 215 #define IEEE80211_MAX_AID               2007
 216 #define IEEE80211_MAX_AID_S1G           8191
 217 #define IEEE80211_MAX_TIM_LEN           251
 218 #define IEEE80211_MAX_MESH_PEERINGS     63
 219 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 220    6.2.1.1.2.
 221
 222    802.11e clarifies the figure in section 7.1.2. The frame body is
 223    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 224 #define IEEE80211_MAX_DATA_LEN          2304
 225 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 226  * to 7920 bytes, see 8.2.3 General frame format
 227  */
 228 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 229 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 230 #define IEEE80211_MAX_FRAME_LEN         2352
 231
 232 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 233 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 234
 235 /* Maximal size of an A-MSDU */
 236 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 237 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 238
 239 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 240 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 241 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 242
 243 #define IEEE80211_MAX_SSID_LEN          32
 244
 245 #define IEEE80211_MAX_MESH_ID_LEN       32
 246
 247 #define IEEE80211_FIRST_TSPEC_TSID      8
 248 #define IEEE80211_NUM_TIDS              16
 249
 250 /* number of user priorities 802.11 uses */
 251 #define IEEE80211_NUM_UPS               8
 252 /* number of ACs */
 253 #define IEEE80211_NUM_ACS               4
 254
 255 #define IEEE80211_QOS_CTL_LEN           2
 256 /* 1d tag mask */
 257 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 258 /* TID mask */
 259 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 260 /* EOSP */
 261 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 262 /* ACK policy */
 263 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 264 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 265 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 266 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 267 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 268 /* A-MSDU 802.11n */
 269 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 270 /* Mesh Control 802.11s */
 271 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 272
 273 /* Mesh Power Save Level */
 274 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 275 /* Mesh Receiver Service Period Initiated */
 276 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 277
 278 /* U-APSD queue for WMM IEs sent by AP */
 279 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 280 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 281
 282 /* U-APSD queues for WMM IEs sent by STA */
 283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 286 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 287 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 288
 289 /* U-APSD max SP length for WMM IEs sent by STA */
 290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 294 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 296
 297 #define IEEE80211_HT_CTL_LEN            4
 298
 299 /* trigger type within common_info of trigger frame */
 300 #define IEEE80211_TRIGGER_TYPE_MASK             0xf
 301 #define IEEE80211_TRIGGER_TYPE_BASIC            0x0
 302 #define IEEE80211_TRIGGER_TYPE_BFRP             0x1
 303 #define IEEE80211_TRIGGER_TYPE_MU_BAR           0x2
 304 #define IEEE80211_TRIGGER_TYPE_MU_RTS           0x3
 305 #define IEEE80211_TRIGGER_TYPE_BSRP             0x4
 306 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR       0x5
 307 #define IEEE80211_TRIGGER_TYPE_BQRP             0x6
 308 #define IEEE80211_TRIGGER_TYPE_NFRP             0x7
 309
 310 struct ieee80211_hdr {
 311         __le16 frame_control;
 312         __le16 duration_id;
 313         u8 addr1[ETH_ALEN];
 314         u8 addr2[ETH_ALEN];
 315         u8 addr3[ETH_ALEN];
 316         __le16 seq_ctrl;
 317         u8 addr4[ETH_ALEN];
 318 } __packed __aligned(2);
 319
 320 struct ieee80211_hdr_3addr {
 321         __le16 frame_control;
 322         __le16 duration_id;
 323         u8 addr1[ETH_ALEN];
 324         u8 addr2[ETH_ALEN];
 325         u8 addr3[ETH_ALEN];
 326         __le16 seq_ctrl;
 327 } __packed __aligned(2);
 328
 329 struct ieee80211_qos_hdr {
 330         __le16 frame_control;
 331         __le16 duration_id;
 332         u8 addr1[ETH_ALEN];
 333         u8 addr2[ETH_ALEN];
 334         u8 addr3[ETH_ALEN];
 335         __le16 seq_ctrl;
 336         __le16 qos_ctrl;
 337 } __packed __aligned(2);
 338
 339 struct ieee80211_trigger {
 340         __le16 frame_control;
 341         __le16 duration;
 342         u8 ra[ETH_ALEN];
 343         u8 ta[ETH_ALEN];
 344         __le64 common_info;
 345         u8 variable[];
 346 } __packed __aligned(2);
 347
 348 /**
 349  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 350  * @fc: frame control bytes in little-endian byteorder
 351  */
 352 static inline bool ieee80211_has_tods(__le16 fc)
 353 {
 354         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 355 }
 356
 357 /**
 358  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 359  * @fc: frame control bytes in little-endian byteorder
 360  */
 361 static inline bool ieee80211_has_fromds(__le16 fc)
 362 {
 363         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 364 }
 365
 366 /**
 367  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 368  * @fc: frame control bytes in little-endian byteorder
 369  */
 370 static inline bool ieee80211_has_a4(__le16 fc)
 371 {
 372         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 373         return (fc & tmp) == tmp;
 374 }
 375
 376 /**
 377  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 378  * @fc: frame control bytes in little-endian byteorder
 379  */
 380 static inline bool ieee80211_has_morefrags(__le16 fc)
 381 {
 382         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 383 }
 384
 385 /**
 386  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 387  * @fc: frame control bytes in little-endian byteorder
 388  */
 389 static inline bool ieee80211_has_retry(__le16 fc)
 390 {
 391         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 392 }
 393
 394 /**
 395  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 396  * @fc: frame control bytes in little-endian byteorder
 397  */
 398 static inline bool ieee80211_has_pm(__le16 fc)
 399 {
 400         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 401 }
 402
 403 /**
 404  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 405  * @fc: frame control bytes in little-endian byteorder
 406  */
 407 static inline bool ieee80211_has_moredata(__le16 fc)
 408 {
 409         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 410 }
 411
 412 /**
 413  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 414  * @fc: frame control bytes in little-endian byteorder
 415  */
 416 static inline bool ieee80211_has_protected(__le16 fc)
 417 {
 418         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 419 }
 420
 421 /**
 422  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 423  * @fc: frame control bytes in little-endian byteorder
 424  */
 425 static inline bool ieee80211_has_order(__le16 fc)
 426 {
 427         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 428 }
 429
 430 /**
 431  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 432  * @fc: frame control bytes in little-endian byteorder
 433  */
 434 static inline bool ieee80211_is_mgmt(__le16 fc)
 435 {
 436         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 437                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 438 }
 439
 440 /**
 441  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 442  * @fc: frame control bytes in little-endian byteorder
 443  */
 444 static inline bool ieee80211_is_ctl(__le16 fc)
 445 {
 446         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 447                cpu_to_le16(IEEE80211_FTYPE_CTL);
 448 }
 449
 450 /**
 451  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 452  * @fc: frame control bytes in little-endian byteorder
 453  */
 454 static inline bool ieee80211_is_data(__le16 fc)
 455 {
 456         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 457                cpu_to_le16(IEEE80211_FTYPE_DATA);
 458 }
 459
 460 /**
 461  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 462  * @fc: frame control bytes in little-endian byteorder
 463  */
 464 static inline bool ieee80211_is_ext(__le16 fc)
 465 {
 466         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 467                cpu_to_le16(IEEE80211_FTYPE_EXT);
 468 }
 469
 470
 471 /**
 472  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 473  * @fc: frame control bytes in little-endian byteorder
 474  */
 475 static inline bool ieee80211_is_data_qos(__le16 fc)
 476 {
 477         /*
 478          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 479          * to check the one bit
 480          */
 481         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 482                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 483 }
 484
 485 /**
 486  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 487  * @fc: frame control bytes in little-endian byteorder
 488  */
 489 static inline bool ieee80211_is_data_present(__le16 fc)
 490 {
 491         /*
 492          * mask with 0x40 and test that that bit is clear to only return true
 493          * for the data-containing substypes.
 494          */
 495         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 496                cpu_to_le16(IEEE80211_FTYPE_DATA);
 497 }
 498
 499 /**
 500  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 501  * @fc: frame control bytes in little-endian byteorder
 502  */
 503 static inline bool ieee80211_is_assoc_req(__le16 fc)
 504 {
 505         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 506                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 507 }
 508
 509 /**
 510  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 511  * @fc: frame control bytes in little-endian byteorder
 512  */
 513 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 514 {
 515         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 516                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 517 }
 518
 519 /**
 520  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 521  * @fc: frame control bytes in little-endian byteorder
 522  */
 523 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 524 {
 525         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 526                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 527 }
 528
 529 /**
 530  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 531  * @fc: frame control bytes in little-endian byteorder
 532  */
 533 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 534 {
 535         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 536                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 537 }
 538
 539 /**
 540  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 541  * @fc: frame control bytes in little-endian byteorder
 542  */
 543 static inline bool ieee80211_is_probe_req(__le16 fc)
 544 {
 545         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 546                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 547 }
 548
 549 /**
 550  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 551  * @fc: frame control bytes in little-endian byteorder
 552  */
 553 static inline bool ieee80211_is_probe_resp(__le16 fc)
 554 {
 555         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 556                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 557 }
 558
 559 /**
 560  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 561  * @fc: frame control bytes in little-endian byteorder
 562  */
 563 static inline bool ieee80211_is_beacon(__le16 fc)
 564 {
 565         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 566                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 567 }
 568
 569 /**
 570  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 571  * IEEE80211_STYPE_S1G_BEACON
 572  * @fc: frame control bytes in little-endian byteorder
 573  */
 574 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 575 {
 576         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 577                                  IEEE80211_FCTL_STYPE)) ==
 578                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 579 }
 580
 581 /**
 582  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 583  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 584  * @fc: frame control bytes in little-endian byteorder
 585  */
 586 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 587 {
 588         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 589                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 590                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 591 }
 592
 593 /**
 594  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 595  * true for S1G beacons when they're short.
 596  * @fc: frame control bytes in little-endian byteorder
 597  */
 598 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 599 {
 600         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 601 }
 602
 603 /**
 604  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 605  * @fc: frame control bytes in little-endian byteorder
 606  */
 607 static inline bool ieee80211_is_atim(__le16 fc)
 608 {
 609         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 610                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 611 }
 612
 613 /**
 614  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 615  * @fc: frame control bytes in little-endian byteorder
 616  */
 617 static inline bool ieee80211_is_disassoc(__le16 fc)
 618 {
 619         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 620                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 621 }
 622
 623 /**
 624  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 625  * @fc: frame control bytes in little-endian byteorder
 626  */
 627 static inline bool ieee80211_is_auth(__le16 fc)
 628 {
 629         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 630                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 631 }
 632
 633 /**
 634  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 635  * @fc: frame control bytes in little-endian byteorder
 636  */
 637 static inline bool ieee80211_is_deauth(__le16 fc)
 638 {
 639         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 640                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 641 }
 642
 643 /**
 644  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 645  * @fc: frame control bytes in little-endian byteorder
 646  */
 647 static inline bool ieee80211_is_action(__le16 fc)
 648 {
 649         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 650                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 651 }
 652
 653 /**
 654  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 655  * @fc: frame control bytes in little-endian byteorder
 656  */
 657 static inline bool ieee80211_is_back_req(__le16 fc)
 658 {
 659         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 660                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 661 }
 662
 663 /**
 664  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 665  * @fc: frame control bytes in little-endian byteorder
 666  */
 667 static inline bool ieee80211_is_back(__le16 fc)
 668 {
 669         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 670                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 671 }
 672
 673 /**
 674  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 675  * @fc: frame control bytes in little-endian byteorder
 676  */
 677 static inline bool ieee80211_is_pspoll(__le16 fc)
 678 {
 679         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 680                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 681 }
 682
 683 /**
 684  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 685  * @fc: frame control bytes in little-endian byteorder
 686  */
 687 static inline bool ieee80211_is_rts(__le16 fc)
 688 {
 689         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 690                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 691 }
 692
 693 /**
 694  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 695  * @fc: frame control bytes in little-endian byteorder
 696  */
 697 static inline bool ieee80211_is_cts(__le16 fc)
 698 {
 699         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 700                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 701 }
 702
 703 /**
 704  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 705  * @fc: frame control bytes in little-endian byteorder
 706  */
 707 static inline bool ieee80211_is_ack(__le16 fc)
 708 {
 709         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 710                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 711 }
 712
 713 /**
 714  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 715  * @fc: frame control bytes in little-endian byteorder
 716  */
 717 static inline bool ieee80211_is_cfend(__le16 fc)
 718 {
 719         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 720                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 721 }
 722
 723 /**
 724  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 725  * @fc: frame control bytes in little-endian byteorder
 726  */
 727 static inline bool ieee80211_is_cfendack(__le16 fc)
 728 {
 729         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 730                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 731 }
 732
 733 /**
 734  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 735  * @fc: frame control bytes in little-endian byteorder
 736  */
 737 static inline bool ieee80211_is_nullfunc(__le16 fc)
 738 {
 739         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 740                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 741 }
 742
 743 /**
 744  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 745  * @fc: frame control bytes in little-endian byteorder
 746  */
 747 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 748 {
 749         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 750                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 751 }
 752
 753 /**
 754  * ieee80211_is_trigger - check if frame is trigger frame
 755  * @fc: frame control field in little-endian byteorder
 756  */
 757 static inline bool ieee80211_is_trigger(__le16 fc)
 758 {
 759         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 760                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 761 }
 762
 763 /**
 764  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 765  * @fc: frame control bytes in little-endian byteorder
 766  */
 767 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 768 {
 769         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 770 }
 771
 772 /**
 773  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 774  * @fc: frame control field in little-endian byteorder
 775  */
 776 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 777 {
 778         /* IEEE 802.11-2012, definition of "bufferable management frame";
 779          * note that this ignores the IBSS special case. */
 780         return ieee80211_is_mgmt(fc) &&
 781                (ieee80211_is_action(fc) ||
 782                 ieee80211_is_disassoc(fc) ||
 783                 ieee80211_is_deauth(fc));
 784 }
 785
 786 /**
 787  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 788  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 789  */
 790 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 791 {
 792         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 793 }
 794
 795 /**
 796  * ieee80211_is_frag - check if a frame is a fragment
 797  * @hdr: 802.11 header of the frame
 798  */
 799 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 800 {
 801         return ieee80211_has_morefrags(hdr->frame_control) ||
 802                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 803 }
 804
 805 struct ieee80211s_hdr {
 806         u8 flags;
 807         u8 ttl;
 808         __le32 seqnum;
 809         u8 eaddr1[ETH_ALEN];
 810         u8 eaddr2[ETH_ALEN];
 811 } __packed __aligned(2);
 812
 813 /* Mesh flags */
 814 #define MESH_FLAGS_AE_A4        0x1
 815 #define MESH_FLAGS_AE_A5_A6     0x2
 816 #define MESH_FLAGS_AE           0x3
 817 #define MESH_FLAGS_PS_DEEP      0x4
 818
 819 /**
 820  * enum ieee80211_preq_flags - mesh PREQ element flags
 821  *
 822  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 823  */
 824 enum ieee80211_preq_flags {
 825         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 826 };
 827
 828 /**
 829  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 830  *
 831  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 832  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 833  */
 834 enum ieee80211_preq_target_flags {
 835         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 836         IEEE80211_PREQ_USN_FLAG = 1<<2,
 837 };
 838
 839 /**
 840  * struct ieee80211_quiet_ie
 841  *
 842  * This structure refers to "Quiet information element"
 843  */
 844 struct ieee80211_quiet_ie {
 845         u8 count;
 846         u8 period;
 847         __le16 duration;
 848         __le16 offset;
 849 } __packed;
 850
 851 /**
 852  * struct ieee80211_msrment_ie
 853  *
 854  * This structure refers to "Measurement Request/Report information element"
 855  */
 856 struct ieee80211_msrment_ie {
 857         u8 token;
 858         u8 mode;
 859         u8 type;
 860         u8 request[];
 861 } __packed;
 862
 863 /**
 864  * struct ieee80211_channel_sw_ie
 865  *
 866  * This structure refers to "Channel Switch Announcement information element"
 867  */
 868 struct ieee80211_channel_sw_ie {
 869         u8 mode;
 870         u8 new_ch_num;
 871         u8 count;
 872 } __packed;
 873
 874 /**
 875  * struct ieee80211_ext_chansw_ie
 876  *
 877  * This structure represents the "Extended Channel Switch Announcement element"
 878  */
 879 struct ieee80211_ext_chansw_ie {
 880         u8 mode;
 881         u8 new_operating_class;
 882         u8 new_ch_num;
 883         u8 count;
 884 } __packed;
 885
 886 /**
 887  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 888  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 889  *      values here
 890  * This structure represents the "Secondary Channel Offset element"
 891  */
 892 struct ieee80211_sec_chan_offs_ie {
 893         u8 sec_chan_offs;
 894 } __packed;
 895
 896 /**
 897  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 898  *
 899  * This structure represents the "Mesh Channel Switch Paramters element"
 900  */
 901 struct ieee80211_mesh_chansw_params_ie {
 902         u8 mesh_ttl;
 903         u8 mesh_flags;
 904         __le16 mesh_reason;
 905         __le16 mesh_pre_value;
 906 } __packed;
 907
 908 /**
 909  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 910  */
 911 struct ieee80211_wide_bw_chansw_ie {
 912         u8 new_channel_width;
 913         u8 new_center_freq_seg0, new_center_freq_seg1;
 914 } __packed;
 915
 916 /**
 917  * struct ieee80211_tim
 918  *
 919  * This structure refers to "Traffic Indication Map information element"
 920  */
 921 struct ieee80211_tim_ie {
 922         u8 dtim_count;
 923         u8 dtim_period;
 924         u8 bitmap_ctrl;
 925         /* variable size: 1 - 251 bytes */
 926         u8 virtual_map[1];
 927 } __packed;
 928
 929 /**
 930  * struct ieee80211_meshconf_ie
 931  *
 932  * This structure refers to "Mesh Configuration information element"
 933  */
 934 struct ieee80211_meshconf_ie {
 935         u8 meshconf_psel;
 936         u8 meshconf_pmetric;
 937         u8 meshconf_congest;
 938         u8 meshconf_synch;
 939         u8 meshconf_auth;
 940         u8 meshconf_form;
 941         u8 meshconf_cap;
 942 } __packed;
 943
 944 /**
 945  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 946  *
 947  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 948  *      additional mesh peerings with other mesh STAs
 949  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 950  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 951  *      is ongoing
 952  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 953  *      neighbors in deep sleep mode
 954  */
 955 enum mesh_config_capab_flags {
 956         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 957         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 958         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 959         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 960 };
 961
 962 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 963
 964 /**
 965  * mesh channel switch parameters element's flag indicator
 966  *
 967  */
 968 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 969 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 970 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 971
 972 /**
 973  * struct ieee80211_rann_ie
 974  *
 975  * This structure refers to "Root Announcement information element"
 976  */
 977 struct ieee80211_rann_ie {
 978         u8 rann_flags;
 979         u8 rann_hopcount;
 980         u8 rann_ttl;
 981         u8 rann_addr[ETH_ALEN];
 982         __le32 rann_seq;
 983         __le32 rann_interval;
 984         __le32 rann_metric;
 985 } __packed;
 986
 987 enum ieee80211_rann_flags {
 988         RANN_FLAG_IS_GATE = 1 << 0,
 989 };
 990
 991 enum ieee80211_ht_chanwidth_values {
 992         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 993         IEEE80211_HT_CHANWIDTH_ANY = 1,
 994 };
 995
 996 /**
 997  * enum ieee80211_opmode_bits - VHT operating mode field bits
 998  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 999  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1000  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1001  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1002  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1003  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1004  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1005  *      (the NSS value is the value of this field + 1)
1006  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1007  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1008  *      using a beamforming steering matrix
1009  */
1010 enum ieee80211_vht_opmode_bits {
1011         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1012         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1013         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1014         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1015         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1016         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1017         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1018         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1019         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1020 };
1021
1022 /**
1023  * enum ieee80211_s1g_chanwidth
1024  * These are defined in IEEE802.11-2016ah Table 10-20
1025  * as BSS Channel Width
1026  *
1027  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1028  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1029  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1030  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1031  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1032  */
1033 enum ieee80211_s1g_chanwidth {
1034         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1035         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1036         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1037         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1038         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1039 };
1040
1041 #define WLAN_SA_QUERY_TR_ID_LEN 2
1042 #define WLAN_MEMBERSHIP_LEN 8
1043 #define WLAN_USER_POSITION_LEN 16
1044
1045 /**
1046  * struct ieee80211_tpc_report_ie
1047  *
1048  * This structure refers to "TPC Report element"
1049  */
1050 struct ieee80211_tpc_report_ie {
1051         u8 tx_power;
1052         u8 link_margin;
1053 } __packed;
1054
1055 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1056 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1057 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1058 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1059 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1060
1061 struct ieee80211_addba_ext_ie {
1062         u8 data;
1063 } __packed;
1064
1065 /**
1066  * struct ieee80211_s1g_bcn_compat_ie
1067  *
1068  * S1G Beacon Compatibility element
1069  */
1070 struct ieee80211_s1g_bcn_compat_ie {
1071         __le16 compat_info;
1072         __le16 beacon_int;
1073         __le32 tsf_completion;
1074 } __packed;
1075
1076 /**
1077  * struct ieee80211_s1g_oper_ie
1078  *
1079  * S1G Operation element
1080  */
1081 struct ieee80211_s1g_oper_ie {
1082         u8 ch_width;
1083         u8 oper_class;
1084         u8 primary_ch;
1085         u8 oper_ch;
1086         __le16 basic_mcs_nss;
1087 } __packed;
1088
1089 /**
1090  * struct ieee80211_aid_response_ie
1091  *
1092  * AID Response element
1093  */
1094 struct ieee80211_aid_response_ie {
1095         __le16 aid;
1096         u8 switch_count;
1097         __le16 response_int;
1098 } __packed;
1099
1100 struct ieee80211_s1g_cap {
1101         u8 capab_info[10];
1102         u8 supp_mcs_nss[5];
1103 } __packed;
1104
1105 struct ieee80211_ext {
1106         __le16 frame_control;
1107         __le16 duration;
1108         union {
1109                 struct {
1110                         u8 sa[ETH_ALEN];
1111                         __le32 timestamp;
1112                         u8 change_seq;
1113                         u8 variable[0];
1114                 } __packed s1g_beacon;
1115                 struct {
1116                         u8 sa[ETH_ALEN];
1117                         __le32 timestamp;
1118                         u8 change_seq;
1119                         u8 next_tbtt[3];
1120                         u8 variable[0];
1121                 } __packed s1g_short_beacon;
1122         } u;
1123 } __packed __aligned(2);
1124
1125 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1126 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1127 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1128 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1129 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1130
1131 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1132 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1133 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1134 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1135 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1136 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1137 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1138 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1139
1140 enum ieee80211_twt_setup_cmd {
1141         TWT_SETUP_CMD_REQUEST,
1142         TWT_SETUP_CMD_SUGGEST,
1143         TWT_SETUP_CMD_DEMAND,
1144         TWT_SETUP_CMD_GROUPING,
1145         TWT_SETUP_CMD_ACCEPT,
1146         TWT_SETUP_CMD_ALTERNATE,
1147         TWT_SETUP_CMD_DICTATE,
1148         TWT_SETUP_CMD_REJECT,
1149 };
1150
1151 struct ieee80211_twt_params {
1152         __le16 req_type;
1153         __le64 twt;
1154         u8 min_twt_dur;
1155         __le16 mantissa;
1156         u8 channel;
1157 } __packed;
1158
1159 struct ieee80211_twt_setup {
1160         u8 dialog_token;
1161         u8 element_id;
1162         u8 length;
1163         u8 control;
1164         u8 params[];
1165 } __packed;
1166
1167 struct ieee80211_mgmt {
1168         __le16 frame_control;
1169         __le16 duration;
1170         u8 da[ETH_ALEN];
1171         u8 sa[ETH_ALEN];
1172         u8 bssid[ETH_ALEN];
1173         __le16 seq_ctrl;
1174         union {
1175                 struct {
1176                         __le16 auth_alg;
1177                         __le16 auth_transaction;
1178                         __le16 status_code;
1179                         /* possibly followed by Challenge text */
1180                         u8 variable[];
1181                 } __packed auth;
1182                 struct {
1183                         __le16 reason_code;
1184                 } __packed deauth;
1185                 struct {
1186                         __le16 capab_info;
1187                         __le16 listen_interval;
1188                         /* followed by SSID and Supported rates */
1189                         u8 variable[];
1190                 } __packed assoc_req;
1191                 struct {
1192                         __le16 capab_info;
1193                         __le16 status_code;
1194                         __le16 aid;
1195                         /* followed by Supported rates */
1196                         u8 variable[];
1197                 } __packed assoc_resp, reassoc_resp;
1198                 struct {
1199                         __le16 capab_info;
1200                         __le16 status_code;
1201                         u8 variable[];
1202                 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1203                 struct {
1204                         __le16 capab_info;
1205                         __le16 listen_interval;
1206                         u8 current_ap[ETH_ALEN];
1207                         /* followed by SSID and Supported rates */
1208                         u8 variable[];
1209                 } __packed reassoc_req;
1210                 struct {
1211                         __le16 reason_code;
1212                 } __packed disassoc;
1213                 struct {
1214                         __le64 timestamp;
1215                         __le16 beacon_int;
1216                         __le16 capab_info;
1217                         /* followed by some of SSID, Supported rates,
1218                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1219                         u8 variable[];
1220                 } __packed beacon;
1221                 struct {
1222                         /* only variable items: SSID, Supported rates */
1223                         DECLARE_FLEX_ARRAY(u8, variable);
1224                 } __packed probe_req;
1225                 struct {
1226                         __le64 timestamp;
1227                         __le16 beacon_int;
1228                         __le16 capab_info;
1229                         /* followed by some of SSID, Supported rates,
1230                          * FH Params, DS Params, CF Params, IBSS Params */
1231                         u8 variable[];
1232                 } __packed probe_resp;
1233                 struct {
1234                         u8 category;
1235                         union {
1236                                 struct {
1237                                         u8 action_code;
1238                                         u8 dialog_token;
1239                                         u8 status_code;
1240                                         u8 variable[];
1241                                 } __packed wme_action;
1242                                 struct{
1243                                         u8 action_code;
1244                                         u8 variable[];
1245                                 } __packed chan_switch;
1246                                 struct{
1247                                         u8 action_code;
1248                                         struct ieee80211_ext_chansw_ie data;
1249                                         u8 variable[];
1250                                 } __packed ext_chan_switch;
1251                                 struct{
1252                                         u8 action_code;
1253                                         u8 dialog_token;
1254                                         u8 element_id;
1255                                         u8 length;
1256                                         struct ieee80211_msrment_ie msr_elem;
1257                                 } __packed measurement;
1258                                 struct{
1259                                         u8 action_code;
1260                                         u8 dialog_token;
1261                                         __le16 capab;
1262                                         __le16 timeout;
1263                                         __le16 start_seq_num;
1264                                         /* followed by BA Extension */
1265                                         u8 variable[];
1266                                 } __packed addba_req;
1267                                 struct{
1268                                         u8 action_code;
1269                                         u8 dialog_token;
1270                                         __le16 status;
1271                                         __le16 capab;
1272                                         __le16 timeout;
1273                                 } __packed addba_resp;
1274                                 struct{
1275                                         u8 action_code;
1276                                         __le16 params;
1277                                         __le16 reason_code;
1278                                 } __packed delba;
1279                                 struct {
1280                                         u8 action_code;
1281                                         u8 variable[];
1282                                 } __packed self_prot;
1283                                 struct{
1284                                         u8 action_code;
1285                                         u8 variable[];
1286                                 } __packed mesh_action;
1287                                 struct {
1288                                         u8 action;
1289                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1290                                 } __packed sa_query;
1291                                 struct {
1292                                         u8 action;
1293                                         u8 smps_control;
1294                                 } __packed ht_smps;
1295                                 struct {
1296                                         u8 action_code;
1297                                         u8 chanwidth;
1298                                 } __packed ht_notify_cw;
1299                                 struct {
1300                                         u8 action_code;
1301                                         u8 dialog_token;
1302                                         __le16 capability;
1303                                         u8 variable[0];
1304                                 } __packed tdls_discover_resp;
1305                                 struct {
1306                                         u8 action_code;
1307                                         u8 operating_mode;
1308                                 } __packed vht_opmode_notif;
1309                                 struct {
1310                                         u8 action_code;
1311                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1312                                         u8 position[WLAN_USER_POSITION_LEN];
1313                                 } __packed vht_group_notif;
1314                                 struct {
1315                                         u8 action_code;
1316                                         u8 dialog_token;
1317                                         u8 tpc_elem_id;
1318                                         u8 tpc_elem_length;
1319                                         struct ieee80211_tpc_report_ie tpc;
1320                                 } __packed tpc_report;
1321                                 struct {
1322                                         u8 action_code;
1323                                         u8 dialog_token;
1324                                         u8 follow_up;
1325                                         u8 tod[6];
1326                                         u8 toa[6];
1327                                         __le16 tod_error;
1328                                         __le16 toa_error;
1329                                         u8 variable[];
1330                                 } __packed ftm;
1331                                 struct {
1332                                         u8 action_code;
1333                                         u8 variable[];
1334                                 } __packed s1g;
1335                                 struct {
1336                                         u8 action_code;
1337                                         u8 dialog_token;
1338                                         u8 follow_up;
1339                                         u32 tod;
1340                                         u32 toa;
1341                                         u8 max_tod_error;
1342                                         u8 max_toa_error;
1343                                 } __packed wnm_timing_msr;
1344                         } u;
1345                 } __packed action;
1346         } u;
1347 } __packed __aligned(2);
1348
1349 /* Supported rates membership selectors */
1350 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1351 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1352 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1353 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1354
1355 /* mgmt header + 1 byte category code */
1356 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1357
1358
1359 /* Management MIC information element (IEEE 802.11w) */
1360 struct ieee80211_mmie {
1361         u8 element_id;
1362         u8 length;
1363         __le16 key_id;
1364         u8 sequence_number[6];
1365         u8 mic[8];
1366 } __packed;
1367
1368 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1369 struct ieee80211_mmie_16 {
1370         u8 element_id;
1371         u8 length;
1372         __le16 key_id;
1373         u8 sequence_number[6];
1374         u8 mic[16];
1375 } __packed;
1376
1377 struct ieee80211_vendor_ie {
1378         u8 element_id;
1379         u8 len;
1380         u8 oui[3];
1381         u8 oui_type;
1382 } __packed;
1383
1384 struct ieee80211_wmm_ac_param {
1385         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1386         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1387         __le16 txop_limit;
1388 } __packed;
1389
1390 struct ieee80211_wmm_param_ie {
1391         u8 element_id; /* Element ID: 221 (0xdd); */
1392         u8 len; /* Length: 24 */
1393         /* required fields for WMM version 1 */
1394         u8 oui[3]; /* 00:50:f2 */
1395         u8 oui_type; /* 2 */
1396         u8 oui_subtype; /* 1 */
1397         u8 version; /* 1 for WMM version 1.0 */
1398         u8 qos_info; /* AP/STA specific QoS info */
1399         u8 reserved; /* 0 */
1400         /* AC_BE, AC_BK, AC_VI, AC_VO */
1401         struct ieee80211_wmm_ac_param ac[4];
1402 } __packed;
1403
1404 /* Control frames */
1405 struct ieee80211_rts {
1406         __le16 frame_control;
1407         __le16 duration;
1408         u8 ra[ETH_ALEN];
1409         u8 ta[ETH_ALEN];
1410 } __packed __aligned(2);
1411
1412 struct ieee80211_cts {
1413         __le16 frame_control;
1414         __le16 duration;
1415         u8 ra[ETH_ALEN];
1416 } __packed __aligned(2);
1417
1418 struct ieee80211_pspoll {
1419         __le16 frame_control;
1420         __le16 aid;
1421         u8 bssid[ETH_ALEN];
1422         u8 ta[ETH_ALEN];
1423 } __packed __aligned(2);
1424
1425 /* TDLS */
1426
1427 /* Channel switch timing */
1428 struct ieee80211_ch_switch_timing {
1429         __le16 switch_time;
1430         __le16 switch_timeout;
1431 } __packed;
1432
1433 /* Link-id information element */
1434 struct ieee80211_tdls_lnkie {
1435         u8 ie_type; /* Link Identifier IE */
1436         u8 ie_len;
1437         u8 bssid[ETH_ALEN];
1438         u8 init_sta[ETH_ALEN];
1439         u8 resp_sta[ETH_ALEN];
1440 } __packed;
1441
1442 struct ieee80211_tdls_data {
1443         u8 da[ETH_ALEN];
1444         u8 sa[ETH_ALEN];
1445         __be16 ether_type;
1446         u8 payload_type;
1447         u8 category;
1448         u8 action_code;
1449         union {
1450                 struct {
1451                         u8 dialog_token;
1452                         __le16 capability;
1453                         u8 variable[0];
1454                 } __packed setup_req;
1455                 struct {
1456                         __le16 status_code;
1457                         u8 dialog_token;
1458                         __le16 capability;
1459                         u8 variable[0];
1460                 } __packed setup_resp;
1461                 struct {
1462                         __le16 status_code;
1463                         u8 dialog_token;
1464                         u8 variable[0];
1465                 } __packed setup_cfm;
1466                 struct {
1467                         __le16 reason_code;
1468                         u8 variable[0];
1469                 } __packed teardown;
1470                 struct {
1471                         u8 dialog_token;
1472                         u8 variable[0];
1473                 } __packed discover_req;
1474                 struct {
1475                         u8 target_channel;
1476                         u8 oper_class;
1477                         u8 variable[0];
1478                 } __packed chan_switch_req;
1479                 struct {
1480                         __le16 status_code;
1481                         u8 variable[0];
1482                 } __packed chan_switch_resp;
1483         } u;
1484 } __packed;
1485
1486 /*
1487  * Peer-to-Peer IE attribute related definitions.
1488  */
1489 /**
1490  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1491  */
1492 enum ieee80211_p2p_attr_id {
1493         IEEE80211_P2P_ATTR_STATUS = 0,
1494         IEEE80211_P2P_ATTR_MINOR_REASON,
1495         IEEE80211_P2P_ATTR_CAPABILITY,
1496         IEEE80211_P2P_ATTR_DEVICE_ID,
1497         IEEE80211_P2P_ATTR_GO_INTENT,
1498         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1499         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1500         IEEE80211_P2P_ATTR_GROUP_BSSID,
1501         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1502         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1503         IEEE80211_P2P_ATTR_MANAGABILITY,
1504         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1505         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1506         IEEE80211_P2P_ATTR_DEVICE_INFO,
1507         IEEE80211_P2P_ATTR_GROUP_INFO,
1508         IEEE80211_P2P_ATTR_GROUP_ID,
1509         IEEE80211_P2P_ATTR_INTERFACE,
1510         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1511         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1512         /* 19 - 220: Reserved */
1513         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1514
1515         IEEE80211_P2P_ATTR_MAX
1516 };
1517
1518 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1519 /* Typical max value used here */
1520 #define IEEE80211_P2P_NOA_DESC_MAX      4
1521
1522 struct ieee80211_p2p_noa_desc {
1523         u8 count;
1524         __le32 duration;
1525         __le32 interval;
1526         __le32 start_time;
1527 } __packed;
1528
1529 struct ieee80211_p2p_noa_attr {
1530         u8 index;
1531         u8 oppps_ctwindow;
1532         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1533 } __packed;
1534
1535 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1536 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1537
1538 /**
1539  * struct ieee80211_bar - HT Block Ack Request
1540  *
1541  * This structure refers to "HT BlockAckReq" as
1542  * described in 802.11n draft section 7.2.1.7.1
1543  */
1544 struct ieee80211_bar {
1545         __le16 frame_control;
1546         __le16 duration;
1547         __u8 ra[ETH_ALEN];
1548         __u8 ta[ETH_ALEN];
1549         __le16 control;
1550         __le16 start_seq_num;
1551 } __packed;
1552
1553 /* 802.11 BAR control masks */
1554 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1555 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1556 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1557 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1558 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1559
1560 #define IEEE80211_HT_MCS_MASK_LEN               10
1561
1562 /**
1563  * struct ieee80211_mcs_info - MCS information
1564  * @rx_mask: RX mask
1565  * @rx_highest: highest supported RX rate. If set represents
1566  *      the highest supported RX data rate in units of 1 Mbps.
1567  *      If this field is 0 this value should not be used to
1568  *      consider the highest RX data rate supported.
1569  * @tx_params: TX parameters
1570  */
1571 struct ieee80211_mcs_info {
1572         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1573         __le16 rx_highest;
1574         u8 tx_params;
1575         u8 reserved[3];
1576 } __packed;
1577
1578 /* 802.11n HT capability MSC set */
1579 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1580 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1581 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1582 /* value 0 == 1 stream etc */
1583 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1584 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1585 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1586 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1587
1588 /*
1589  * 802.11n D5.0 20.3.5 / 20.6 says:
1590  * - indices 0 to 7 and 32 are single spatial stream
1591  * - 8 to 31 are multiple spatial streams using equal modulation
1592  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1593  * - remainder are multiple spatial streams using unequal modulation
1594  */
1595 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1596 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1597         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1598
1599 /**
1600  * struct ieee80211_ht_cap - HT capabilities
1601  *
1602  * This structure is the "HT capabilities element" as
1603  * described in 802.11n D5.0 7.3.2.57
1604  */
1605 struct ieee80211_ht_cap {
1606         __le16 cap_info;
1607         u8 ampdu_params_info;
1608
1609         /* 16 bytes MCS information */
1610         struct ieee80211_mcs_info mcs;
1611
1612         __le16 extended_ht_cap_info;
1613         __le32 tx_BF_cap_info;
1614         u8 antenna_selection_info;
1615 } __packed;
1616
1617 /* 802.11n HT capabilities masks (for cap_info) */
1618 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1619 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1620 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1621 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1622 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1623 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1624 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1625 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1626 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1627 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1628 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1629 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1630 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1631 #define IEEE80211_HT_CAP_RESERVED               0x2000
1632 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1633 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1634
1635 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1636 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1637 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1638 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1639 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1640 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1641 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1642 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1643
1644 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1645 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1646 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1647 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1648
1649 /*
1650  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1651  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1652  */
1653 enum ieee80211_max_ampdu_length_exp {
1654         IEEE80211_HT_MAX_AMPDU_8K = 0,
1655         IEEE80211_HT_MAX_AMPDU_16K = 1,
1656         IEEE80211_HT_MAX_AMPDU_32K = 2,
1657         IEEE80211_HT_MAX_AMPDU_64K = 3
1658 };
1659
1660 /*
1661  * Maximum length of AMPDU that the STA can receive in VHT.
1662  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1663  */
1664 enum ieee80211_vht_max_ampdu_length_exp {
1665         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1666         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1667         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1668         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1669         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1670         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1671         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1672         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1673 };
1674
1675 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1676
1677 /* Minimum MPDU start spacing */
1678 enum ieee80211_min_mpdu_spacing {
1679         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1680         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1681         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1682         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1683         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1684         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1685         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1686         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1687 };
1688
1689 /**
1690  * struct ieee80211_ht_operation - HT operation IE
1691  *
1692  * This structure is the "HT operation element" as
1693  * described in 802.11n-2009 7.3.2.57
1694  */
1695 struct ieee80211_ht_operation {
1696         u8 primary_chan;
1697         u8 ht_param;
1698         __le16 operation_mode;
1699         __le16 stbc_param;
1700         u8 basic_set[16];
1701 } __packed;
1702
1703 /* for ht_param */
1704 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1705 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1706 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1707 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1708 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1709 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1710
1711 /* for operation_mode */
1712 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1713 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1714 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1715 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1716 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1717 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1718 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1719 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1720 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1721
1722 /* for stbc_param */
1723 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1724 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1725 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1726 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1727 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1728 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1729
1730
1731 /* block-ack parameters */
1732 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1733 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1734 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1735 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1736 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1737 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1738
1739 /*
1740  * A-MPDU buffer sizes
1741  * According to HT size varies from 8 to 64 frames
1742  * HE adds the ability to have up to 256 frames.
1743  * EHT adds the ability to have up to 1K frames.
1744  */
1745 #define IEEE80211_MIN_AMPDU_BUF         0x8
1746 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1747 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1748 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1749
1750
1751 /* Spatial Multiplexing Power Save Modes (for capability) */
1752 #define WLAN_HT_CAP_SM_PS_STATIC        0
1753 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1754 #define WLAN_HT_CAP_SM_PS_INVALID       2
1755 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1756
1757 /* for SM power control field lower two bits */
1758 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1759 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1760 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1761
1762 /**
1763  * struct ieee80211_vht_mcs_info - VHT MCS information
1764  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1765  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1766  *      STA can receive. Rate expressed in units of 1 Mbps.
1767  *      If this field is 0 this value should not be used to
1768  *      consider the highest RX data rate supported.
1769  *      The top 3 bits of this field indicate the Maximum NSTS,total
1770  *      (a beamformee capability.)
1771  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1772  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1773  *      STA can transmit. Rate expressed in units of 1 Mbps.
1774  *      If this field is 0 this value should not be used to
1775  *      consider the highest TX data rate supported.
1776  *      The top 2 bits of this field are reserved, the
1777  *      3rd bit from the top indiciates VHT Extended NSS BW
1778  *      Capability.
1779  */
1780 struct ieee80211_vht_mcs_info {
1781         __le16 rx_mcs_map;
1782         __le16 rx_highest;
1783         __le16 tx_mcs_map;
1784         __le16 tx_highest;
1785 } __packed;
1786
1787 /* for rx_highest */
1788 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1789 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1790
1791 /* for tx_highest */
1792 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1793
1794 /**
1795  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1796  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1797  *      number of streams
1798  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1799  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1800  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1801  *
1802  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1803  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1804  * both split into 8 subfields by number of streams. These values indicate
1805  * which MCSes are supported for the number of streams the value appears
1806  * for.
1807  */
1808 enum ieee80211_vht_mcs_support {
1809         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1810         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1811         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1812         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1813 };
1814
1815 /**
1816  * struct ieee80211_vht_cap - VHT capabilities
1817  *
1818  * This structure is the "VHT capabilities element" as
1819  * described in 802.11ac D3.0 8.4.2.160
1820  * @vht_cap_info: VHT capability info
1821  * @supp_mcs: VHT MCS supported rates
1822  */
1823 struct ieee80211_vht_cap {
1824         __le32 vht_cap_info;
1825         struct ieee80211_vht_mcs_info supp_mcs;
1826 } __packed;
1827
1828 /**
1829  * enum ieee80211_vht_chanwidth - VHT channel width
1830  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1831  *      determine the channel width (20 or 40 MHz)
1832  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1833  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1834  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1835  */
1836 enum ieee80211_vht_chanwidth {
1837         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1838         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1839         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1840         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1841 };
1842
1843 /**
1844  * struct ieee80211_vht_operation - VHT operation IE
1845  *
1846  * This structure is the "VHT operation element" as
1847  * described in 802.11ac D3.0 8.4.2.161
1848  * @chan_width: Operating channel width
1849  * @center_freq_seg0_idx: center freq segment 0 index
1850  * @center_freq_seg1_idx: center freq segment 1 index
1851  * @basic_mcs_set: VHT Basic MCS rate set
1852  */
1853 struct ieee80211_vht_operation {
1854         u8 chan_width;
1855         u8 center_freq_seg0_idx;
1856         u8 center_freq_seg1_idx;
1857         __le16 basic_mcs_set;
1858 } __packed;
1859
1860 /**
1861  * struct ieee80211_he_cap_elem - HE capabilities element
1862  *
1863  * This structure is the "HE capabilities element" fixed fields as
1864  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1865  */
1866 struct ieee80211_he_cap_elem {
1867         u8 mac_cap_info[6];
1868         u8 phy_cap_info[11];
1869 } __packed;
1870
1871 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1872
1873 /**
1874  * enum ieee80211_he_mcs_support - HE MCS support definitions
1875  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1876  *      number of streams
1877  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1878  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1879  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1880  *
1881  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1882  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1883  * both split into 8 subfields by number of streams. These values indicate
1884  * which MCSes are supported for the number of streams the value appears
1885  * for.
1886  */
1887 enum ieee80211_he_mcs_support {
1888         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1889         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1890         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1891         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1892 };
1893
1894 /**
1895  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1896  *
1897  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1898  * described in P802.11ax_D2.0 section 9.4.2.237.4
1899  *
1900  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1901  *     widths less than 80MHz.
1902  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1903  *     widths less than 80MHz.
1904  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1905  *     width 160MHz.
1906  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1907  *     width 160MHz.
1908  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1909  *     channel width 80p80MHz.
1910  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1911  *     channel width 80p80MHz.
1912  */
1913 struct ieee80211_he_mcs_nss_supp {
1914         __le16 rx_mcs_80;
1915         __le16 tx_mcs_80;
1916         __le16 rx_mcs_160;
1917         __le16 tx_mcs_160;
1918         __le16 rx_mcs_80p80;
1919         __le16 tx_mcs_80p80;
1920 } __packed;
1921
1922 /**
1923  * struct ieee80211_he_operation - HE capabilities element
1924  *
1925  * This structure is the "HE operation element" fields as
1926  * described in P802.11ax_D4.0 section 9.4.2.243
1927  */
1928 struct ieee80211_he_operation {
1929         __le32 he_oper_params;
1930         __le16 he_mcs_nss_set;
1931         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1932         u8 optional[];
1933 } __packed;
1934
1935 /**
1936  * struct ieee80211_he_spr - HE spatial reuse element
1937  *
1938  * This structure is the "HE spatial reuse element" element as
1939  * described in P802.11ax_D4.0 section 9.4.2.241
1940  */
1941 struct ieee80211_he_spr {
1942         u8 he_sr_control;
1943         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1944         u8 optional[];
1945 } __packed;
1946
1947 /**
1948  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1949  *
1950  * This structure is the "MU AC Parameter Record" fields as
1951  * described in P802.11ax_D4.0 section 9.4.2.245
1952  */
1953 struct ieee80211_he_mu_edca_param_ac_rec {
1954         u8 aifsn;
1955         u8 ecw_min_max;
1956         u8 mu_edca_timer;
1957 } __packed;
1958
1959 /**
1960  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1961  *
1962  * This structure is the "MU EDCA Parameter Set element" fields as
1963  * described in P802.11ax_D4.0 section 9.4.2.245
1964  */
1965 struct ieee80211_mu_edca_param_set {
1966         u8 mu_qos_info;
1967         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1968         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1969         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1970         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1971 } __packed;
1972
1973 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1974 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1975
1976 /**
1977  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1978  * supported NSS for per MCS.
1979  *
1980  * For each field below, bits 0 - 3 indicate the maximal number of spatial
1981  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1982  * for Tx.
1983  *
1984  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1985  *     supported for reception and the maximum number of spatial streams
1986  *     supported for transmission for MCS 0 - 7.
1987  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1988  *     supported for reception and the maximum number of spatial streams
1989  *     supported for transmission for MCS 8 - 9.
1990  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
1991  *     supported for reception and the maximum number of spatial streams
1992  *     supported for transmission for MCS 10 - 11.
1993  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
1994  *     supported for reception and the maximum number of spatial streams
1995  *     supported for transmission for MCS 12 - 13.
1996  */
1997 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
1998         u8 rx_tx_mcs7_max_nss;
1999         u8 rx_tx_mcs9_max_nss;
2000         u8 rx_tx_mcs11_max_nss;
2001         u8 rx_tx_mcs13_max_nss;
2002 };
2003
2004 /**
2005  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2006  * 20MHz only stations).
2007  *
2008  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2009  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2010  * for Tx.
2011  *
2012  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2013  *     supported for reception and the maximum number of spatial streams
2014  *     supported for transmission for MCS 0 - 9.
2015  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2016  *     supported for reception and the maximum number of spatial streams
2017  *     supported for transmission for MCS 10 - 11.
2018  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2019  *     supported for reception and the maximum number of spatial streams
2020  *     supported for transmission for MCS 12 - 13.
2021  */
2022 struct ieee80211_eht_mcs_nss_supp_bw {
2023         u8 rx_tx_mcs9_max_nss;
2024         u8 rx_tx_mcs11_max_nss;
2025         u8 rx_tx_mcs13_max_nss;
2026 };
2027
2028 /**
2029  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2030  *
2031  * This structure is the "EHT Capabilities element" fixed fields as
2032  * described in P802.11be_D2.0 section 9.4.2.313.
2033  *
2034  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2035  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2036  */
2037 struct ieee80211_eht_cap_elem_fixed {
2038         u8 mac_cap_info[2];
2039         u8 phy_cap_info[9];
2040 } __packed;
2041
2042 /**
2043  * struct ieee80211_eht_cap_elem - EHT capabilities element
2044  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2045  * @optional: optional parts
2046  */
2047 struct ieee80211_eht_cap_elem {
2048         struct ieee80211_eht_cap_elem_fixed fixed;
2049
2050         /*
2051          * Followed by:
2052          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2053          * EHT PPE Thresholds field: variable length.
2054          */
2055         u8 optional[];
2056 } __packed;
2057
2058 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2059 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2060 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2061 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2062 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2063
2064 /**
2065  * struct ieee80211_eht_operation - eht operation element
2066  *
2067  * This structure is the "EHT Operation Element" fields as
2068  * described in P802.11be_D2.0 section 9.4.2.311
2069  *
2070  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2071  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2072  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2073  *     receive.
2074  * @optional: optional parts
2075  */
2076 struct ieee80211_eht_operation {
2077         u8 params;
2078         __le32 basic_mcs_nss;
2079         u8 optional[];
2080 } __packed;
2081
2082 /**
2083  * struct ieee80211_eht_operation_info - eht operation information
2084  *
2085  * @control: EHT operation information control.
2086  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2087  *     EHT BSS.
2088  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2089  * @optional: optional parts
2090  */
2091 struct ieee80211_eht_operation_info {
2092         u8 control;
2093         u8 ccfs0;
2094         u8 ccfs1;
2095         u8 optional[];
2096 } __packed;
2097
2098 /* 802.11ac VHT Capabilities */
2099 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2100 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2101 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2102 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2103 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2104 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2105 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2106 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2107 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2108 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2109 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2110 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2111 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2112 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2113 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2114 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2115 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2116 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2117 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2118 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2119 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2120 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2121                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2122 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2123 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2124                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2125 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2126 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2127 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2128 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2129 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2130 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2131                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2132 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2133 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2134 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2135 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2136 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2137 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2138
2139 /**
2140  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2141  * @cap: VHT capabilities of the peer
2142  * @bw: bandwidth to use
2143  * @mcs: MCS index to use
2144  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2145  *      (rate scaling algorithm) can deal with the new logic
2146  *      (dot11VHTExtendedNSSBWCapable)
2147  * @max_vht_nss: current maximum NSS as advertised by the STA in
2148  *      operating mode notification, can be 0 in which case the
2149  *      capability data will be used to derive this (from MCS support)
2150  *
2151  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2152  * vary for a given BW/MCS. This function parses the data.
2153  *
2154  * Note: This function is exported by cfg80211.
2155  */
2156 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2157                               enum ieee80211_vht_chanwidth bw,
2158                               int mcs, bool ext_nss_bw_capable,
2159                               unsigned int max_vht_nss);
2160
2161 /**
2162  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2163  *
2164  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2165  * @IEEE80211_REG_LPI: Indoor Access Point
2166  * @IEEE80211_REG_SP: Standard power Access Point
2167  * @IEEE80211_REG_VLP: Very low power Access Point
2168  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2169  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2170  */
2171 enum ieee80211_ap_reg_power {
2172         IEEE80211_REG_UNSET_AP,
2173         IEEE80211_REG_LPI_AP,
2174         IEEE80211_REG_SP_AP,
2175         IEEE80211_REG_VLP_AP,
2176         IEEE80211_REG_AP_POWER_AFTER_LAST,
2177         IEEE80211_REG_AP_POWER_MAX =
2178                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2179 };
2180
2181 /**
2182  * enum ieee80211_client_reg_power - regulatory power for a client
2183  *
2184  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2185  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2186  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2187  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2188  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2189  */
2190 enum ieee80211_client_reg_power {
2191         IEEE80211_REG_UNSET_CLIENT,
2192         IEEE80211_REG_DEFAULT_CLIENT,
2193         IEEE80211_REG_SUBORDINATE_CLIENT,
2194         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2195         IEEE80211_REG_CLIENT_POWER_MAX =
2196                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2197 };
2198
2199 /* 802.11ax HE MAC capabilities */
2200 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2201 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2202 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2203 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2204 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2205 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2206 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2207 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2208 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2209 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2210 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2211 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2212 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2213 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2214 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2215 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2216 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2217
2218 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2219 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2220 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2221 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2222 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2223 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2224 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2225 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2226 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2227 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2228 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2229 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2230 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2231 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2232 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2233 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2234 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2235 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2236
2237 /* Link adaptation is split between byte HE_MAC_CAP1 and
2238  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2239  * in which case the following values apply:
2240  * 0 = No feedback.
2241  * 1 = reserved.
2242  * 2 = Unsolicited feedback.
2243  * 3 = both
2244  */
2245 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2246
2247 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2248 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2249 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2250 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2251 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2252 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2253 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2254 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2255
2256 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2257 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2258
2259 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2260  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2261  * same field in the HE capabilities.
2262  */
2263 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2264 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2265 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2266 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2267 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2268 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2269 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2270 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2271
2272 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2273 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2274 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2275 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2276 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2277 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2278 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2279 /* Multi TID agg TX is split between byte #4 and #5
2280  * The value is a combination of B39,B40,B41
2281  */
2282 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2283
2284 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2285 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2286 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2287 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2288 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2289 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2290 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2291 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2292
2293 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2294 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2295 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2296
2297 /* 802.11ax HE PHY capabilities */
2298 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2299 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2300 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2301 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2302 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2303
2304 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2305 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2306 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2307
2308 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2309 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2310 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2311 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2312 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2313 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2314 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2315 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2316 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2317 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2318
2319 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2320 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2321 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2322 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2323 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2324 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2325
2326 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2327  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2328  * case it indicates support for Tx.
2329  */
2330 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2331 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2332
2333 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2334 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2335 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2336 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2337 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2338 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2339 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2340 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2341 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2342 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2343 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2344 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2345 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2346 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2347 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2348 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2349
2350 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2351 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2352
2353 /* Minimal allowed value of Max STS under 80MHz is 3 */
2354 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2355 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2356 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2357 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2358 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2359 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2360
2361 /* Minimal allowed value of Max STS above 80MHz is 3 */
2362 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2363 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2364 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2365 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2366 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2367 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2368
2369 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2370 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2371 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2372 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2373 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2374 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2375 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2376 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2377 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2378
2379 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2380 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2381 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2382 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2388
2389 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2390 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2391
2392 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2393 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2394 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2395 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2396 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2397 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2398 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2399 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2400
2401 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2402 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2403 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2404 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2405 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2406 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2407 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2408 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2409 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2410 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2411 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2412 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2413 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2414
2415 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2416 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2417 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2418 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2419 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2420 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2421 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2422 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2423 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2424 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2425 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2426
2427 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2428 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2429 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2430 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2431 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2432 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2433 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2434 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2435 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2436 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2437 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2438 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2439
2440 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2441
2442 /* 802.11ax HE TX/RX MCS NSS Support  */
2443 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2444 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2445 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2446 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2447 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2448
2449 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2450 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2451         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2452         HIGHEST_MCS_SUPPORTED_MCS8,
2453         HIGHEST_MCS_SUPPORTED_MCS9,
2454         HIGHEST_MCS_SUPPORTED_MCS10,
2455         HIGHEST_MCS_SUPPORTED_MCS11,
2456 };
2457
2458 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2459 static inline u8
2460 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2461 {
2462         u8 count = 4;
2463
2464         if (he_cap->phy_cap_info[0] &
2465             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2466                 count += 4;
2467
2468         if (he_cap->phy_cap_info[0] &
2469             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2470                 count += 4;
2471
2472         return count;
2473 }
2474
2475 /* 802.11ax HE PPE Thresholds */
2476 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2477 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2478 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2479 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2480         (BIT(5) | BIT(6))
2481 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2482 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2483 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2484 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2485
2486 /*
2487  * Calculate 802.11ax HE capabilities IE PPE field size
2488  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2489  */
2490 static inline u8
2491 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2492 {
2493         u8 n;
2494
2495         if ((phy_cap_info[6] &
2496              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2497                 return 0;
2498
2499         n = hweight8(ppe_thres_hdr &
2500                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2501         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2502                    IEEE80211_PPE_THRES_NSS_POS));
2503
2504         /*
2505          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2506          * total size.
2507          */
2508         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2509         n = DIV_ROUND_UP(n, 8);
2510
2511         return n;
2512 }
2513
2514 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2515 {
2516         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2517         u8 needed = sizeof(*he_cap_ie_elem);
2518
2519         if (len < needed)
2520                 return false;
2521
2522         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2523         if (len < needed)
2524                 return false;
2525
2526         if (he_cap_ie_elem->phy_cap_info[6] &
2527                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2528                 if (len < needed + 1)
2529                         return false;
2530                 needed += ieee80211_he_ppe_size(data[needed],
2531                                                 he_cap_ie_elem->phy_cap_info);
2532         }
2533
2534         return len >= needed;
2535 }
2536
2537 /* HE Operation defines */
2538 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2539 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2540 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2541 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2542 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2543 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2544 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2545 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2546 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2547 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2548 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2549 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2550
2551 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2552 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2553
2554 /**
2555  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2556  * @primary: primary channel
2557  * @control: control flags
2558  * @ccfs0: channel center frequency segment 0
2559  * @ccfs1: channel center frequency segment 1
2560  * @minrate: minimum rate (in 1 Mbps units)
2561  */
2562 struct ieee80211_he_6ghz_oper {
2563         u8 primary;
2564 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2565 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2566 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2567 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2568 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2569 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2570 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2571         u8 control;
2572         u8 ccfs0;
2573         u8 ccfs1;
2574         u8 minrate;
2575 } __packed;
2576
2577 /*
2578  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2579  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2580  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2581  * Info subfield encoding in the United States".
2582  * So it it totally max 8 Transmit Power Envelope element.
2583  */
2584 #define IEEE80211_TPE_MAX_IE_COUNT      8
2585 /*
2586  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2587  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2588  */
2589 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2590
2591 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2592
2593 /* transmit power interpretation type of transmit power envelope element */
2594 enum ieee80211_tx_power_intrpt_type {
2595         IEEE80211_TPE_LOCAL_EIRP,
2596         IEEE80211_TPE_LOCAL_EIRP_PSD,
2597         IEEE80211_TPE_REG_CLIENT_EIRP,
2598         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2599 };
2600
2601 /**
2602  * struct ieee80211_tx_pwr_env
2603  *
2604  * This structure represents the "Transmit Power Envelope element"
2605  */
2606 struct ieee80211_tx_pwr_env {
2607         u8 tx_power_info;
2608         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2609 } __packed;
2610
2611 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2612 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2613 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2614
2615 /*
2616  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2617  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2618  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2619  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2620  *      validated this.
2621  * @return the actual size of the IE data (not including header), or 0 on error
2622  */
2623 static inline u8
2624 ieee80211_he_oper_size(const u8 *he_oper_ie)
2625 {
2626         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2627         u8 oper_len = sizeof(struct ieee80211_he_operation);
2628         u32 he_oper_params;
2629
2630         /* Make sure the input is not NULL */
2631         if (!he_oper_ie)
2632                 return 0;
2633
2634         /* Calc required length */
2635         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2636         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2637                 oper_len += 3;
2638         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2639                 oper_len++;
2640         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2641                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2642
2643         /* Add the first byte (extension ID) to the total length */
2644         oper_len++;
2645
2646         return oper_len;
2647 }
2648
2649 /**
2650  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2651  * @he_oper: HE operation element (must be pre-validated for size)
2652  *      but may be %NULL
2653  *
2654  * Return: a pointer to the 6 GHz operation field, or %NULL
2655  */
2656 static inline const struct ieee80211_he_6ghz_oper *
2657 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2658 {
2659         const u8 *ret = (const void *)&he_oper->optional;
2660         u32 he_oper_params;
2661
2662         if (!he_oper)
2663                 return NULL;
2664
2665         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2666
2667         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2668                 return NULL;
2669         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2670                 ret += 3;
2671         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2672                 ret++;
2673
2674         return (const void *)ret;
2675 }
2676
2677 /* HE Spatial Reuse defines */
2678 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2679 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2680 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2681 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2682 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2683
2684 /*
2685  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2686  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2687  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2688  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2689  *      this
2690  * @return the actual size of the IE data (not including header), or 0 on error
2691  */
2692 static inline u8
2693 ieee80211_he_spr_size(const u8 *he_spr_ie)
2694 {
2695         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2696         u8 spr_len = sizeof(struct ieee80211_he_spr);
2697         u8 he_spr_params;
2698
2699         /* Make sure the input is not NULL */
2700         if (!he_spr_ie)
2701                 return 0;
2702
2703         /* Calc required length */
2704         he_spr_params = he_spr->he_sr_control;
2705         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2706                 spr_len++;
2707         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2708                 spr_len += 18;
2709
2710         /* Add the first byte (extension ID) to the total length */
2711         spr_len++;
2712
2713         return spr_len;
2714 }
2715
2716 /* S1G Capabilities Information field */
2717 #define IEEE80211_S1G_CAPABILITY_LEN    15
2718
2719 #define S1G_CAP0_S1G_LONG       BIT(0)
2720 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2721 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2722 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2723 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2724 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2725 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2726
2727 #define S1G_SUPP_CH_WIDTH_2     0
2728 #define S1G_SUPP_CH_WIDTH_4     1
2729 #define S1G_SUPP_CH_WIDTH_8     2
2730 #define S1G_SUPP_CH_WIDTH_16    3
2731 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2732                                                     cap[0])) << 1)
2733
2734 #define S1G_CAP1_RX_LDPC        BIT(0)
2735 #define S1G_CAP1_TX_STBC        BIT(1)
2736 #define S1G_CAP1_RX_STBC        BIT(2)
2737 #define S1G_CAP1_SU_BFER        BIT(3)
2738 #define S1G_CAP1_SU_BFEE        BIT(4)
2739 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2740
2741 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2742 #define S1G_CAP2_MU_BFER                BIT(3)
2743 #define S1G_CAP2_MU_BFEE                BIT(4)
2744 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2745 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2746
2747 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2748 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2749 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2750 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2751 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2752
2753 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2754 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2755 #define S1G_CAP4_BAT            BIT(2)
2756 #define S1G_CAP4_TIME_ADE       BIT(3)
2757 #define S1G_CAP4_NON_TIM        BIT(4)
2758 #define S1G_CAP4_GROUP_AID      BIT(5)
2759 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2760
2761 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2762 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2763 #define S1G_CAP5_AMSDU                  BIT(2)
2764 #define S1G_CAP5_AMPDU                  BIT(3)
2765 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2766 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2767 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2768
2769 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2770 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2771 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2772 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2773 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2774 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2775 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2776
2777 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2778 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2779 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2780 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2781 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2782 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2783 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2784 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2785
2786 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2787 #define S1G_CAP8_BDT            BIT(1)
2788 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2789 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2790 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2791 #define S1G_CAP8_PV1_FRAME      BIT(7)
2792
2793 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2794
2795 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2796 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2797
2798 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2799 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2800 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2801 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2802 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2803 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2804 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2805 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2806 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2807 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2808 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2809
2810 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2811
2812 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2813 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2814 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2815 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2816 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2817 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2818 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2819
2820 /* EHT beamformee number of spatial streams <= 80MHz is split */
2821 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2822 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2823
2824 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2825 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2826
2827 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2828 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2829
2830 /* EHT number of sounding dimensions for 320MHz is split */
2831 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2832 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2833 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2834 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2835 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2836 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2837 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2838 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2839 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2840
2841 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2842 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2843 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2844 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2845 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2846
2847 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2848 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2849 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2850 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2851 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2852 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2853 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2854 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2855 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2856
2857 /* Maximum number of supported EHT LTF is split */
2858 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2859 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2860
2861 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2862 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2863
2864 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2865 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2866 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2867 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2868 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2869 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2870 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2871 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2872
2873 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2874 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2875
2876 /*
2877  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2878  */
2879 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2880 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2881 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2882 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2883 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2884 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2885
2886 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2887 static inline u8
2888 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2889                            const struct ieee80211_eht_cap_elem_fixed *eht_cap)
2890 {
2891         u8 count = 0;
2892
2893         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2894         if (he_cap->phy_cap_info[0] &
2895             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2896                 return 3;
2897
2898         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2899         if (he_cap->phy_cap_info[0] &
2900             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2901                 count += 3;
2902
2903         if (he_cap->phy_cap_info[0] &
2904             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2905                 count += 3;
2906
2907         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2908                 count += 3;
2909
2910         return count ? count : 4;
2911 }
2912
2913 /* 802.11be EHT PPE Thresholds */
2914 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2915 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2916 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2917 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2918 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2919
2920 /*
2921  * Calculate 802.11be EHT capabilities IE EHT field size
2922  */
2923 static inline u8
2924 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2925 {
2926         u32 n;
2927
2928         if (!(phy_cap_info[5] &
2929               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2930                 return 0;
2931
2932         n = hweight16(ppe_thres_hdr &
2933                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2934         n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2935
2936         /*
2937          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2938          * total size.
2939          */
2940         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2941             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2942         return DIV_ROUND_UP(n, 8);
2943 }
2944
2945 static inline bool
2946 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len)
2947 {
2948         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2949         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2950
2951         if (len < needed || !he_capa)
2952                 return false;
2953
2954         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2955                                              (const void *)data);
2956         if (len < needed)
2957                 return false;
2958
2959         if (elem->phy_cap_info[5] &
2960                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2961                 u16 ppe_thres_hdr;
2962
2963                 if (len < needed + sizeof(ppe_thres_hdr))
2964                         return false;
2965
2966                 ppe_thres_hdr = get_unaligned_le16(data + needed);
2967                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2968                                                  elem->phy_cap_info);
2969         }
2970
2971         return len >= needed;
2972 }
2973
2974 static inline bool
2975 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2976 {
2977         const struct ieee80211_eht_operation *elem = (const void *)data;
2978         u8 needed = sizeof(*elem);
2979
2980         if (len < needed)
2981                 return false;
2982
2983         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
2984                 needed += 3;
2985
2986                 if (elem->params &
2987                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
2988                         needed += 2;
2989         }
2990
2991         return len >= needed;
2992 }
2993
2994 #define LISTEN_INT_USF  GENMASK(15, 14)
2995 #define LISTEN_INT_UI   GENMASK(13, 0)
2996
2997 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
2998 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
2999
3000 /* Authentication algorithms */
3001 #define WLAN_AUTH_OPEN 0
3002 #define WLAN_AUTH_SHARED_KEY 1
3003 #define WLAN_AUTH_FT 2
3004 #define WLAN_AUTH_SAE 3
3005 #define WLAN_AUTH_FILS_SK 4
3006 #define WLAN_AUTH_FILS_SK_PFS 5
3007 #define WLAN_AUTH_FILS_PK 6
3008 #define WLAN_AUTH_LEAP 128
3009
3010 #define WLAN_AUTH_CHALLENGE_LEN 128
3011
3012 #define WLAN_CAPABILITY_ESS             (1<<0)
3013 #define WLAN_CAPABILITY_IBSS            (1<<1)
3014
3015 /*
3016  * A mesh STA sets the ESS and IBSS capability bits to zero.
3017  * however, this holds true for p2p probe responses (in the p2p_find
3018  * phase) as well.
3019  */
3020 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3021         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3022
3023 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3024 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3025 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3026 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3027 #define WLAN_CAPABILITY_PBCC            (1<<6)
3028 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3029
3030 /* 802.11h */
3031 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3032 #define WLAN_CAPABILITY_QOS             (1<<9)
3033 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3034 #define WLAN_CAPABILITY_APSD            (1<<11)
3035 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3036 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3037 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3038 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3039
3040 /* DMG (60gHz) 802.11ad */
3041 /* type - bits 0..1 */
3042 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3043 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3044 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3045 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3046
3047 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3048 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3049 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3050 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3051
3052 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3053 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3054
3055 /* measurement */
3056 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3057 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3058 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3059
3060 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3061 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3062 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3063 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3064 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3065
3066 /* 802.11g ERP information element */
3067 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3068 #define WLAN_ERP_USE_PROTECTION (1<<1)
3069 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3070
3071 /* WLAN_ERP_BARKER_PREAMBLE values */
3072 enum {
3073         WLAN_ERP_PREAMBLE_SHORT = 0,
3074         WLAN_ERP_PREAMBLE_LONG = 1,
3075 };
3076
3077 /* Band ID, 802.11ad #8.4.1.45 */
3078 enum {
3079         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3080         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3081         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3082         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3083         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3084         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3085 };
3086
3087 /* Status codes */
3088 enum ieee80211_statuscode {
3089         WLAN_STATUS_SUCCESS = 0,
3090         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3091         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3092         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3093         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3094         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3095         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3096         WLAN_STATUS_CHALLENGE_FAIL = 15,
3097         WLAN_STATUS_AUTH_TIMEOUT = 16,
3098         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3099         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3100         /* 802.11b */
3101         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3102         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3103         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3104         /* 802.11h */
3105         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3106         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3107         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3108         /* 802.11g */
3109         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3110         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3111         /* 802.11w */
3112         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3113         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3114         /* 802.11i */
3115         WLAN_STATUS_INVALID_IE = 40,
3116         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3117         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3118         WLAN_STATUS_INVALID_AKMP = 43,
3119         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3120         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3121         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3122         /* 802.11e */
3123         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3124         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3125         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3126         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3127         WLAN_STATUS_REQUEST_DECLINED = 37,
3128         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3129         WLAN_STATUS_CHANGE_TSPEC = 39,
3130         WLAN_STATUS_WAIT_TS_DELAY = 47,
3131         WLAN_STATUS_NO_DIRECT_LINK = 48,
3132         WLAN_STATUS_STA_NOT_PRESENT = 49,
3133         WLAN_STATUS_STA_NOT_QSTA = 50,
3134         /* 802.11s */
3135         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3136         WLAN_STATUS_FCG_NOT_SUPP = 78,
3137         WLAN_STATUS_STA_NO_TBTT = 78,
3138         /* 802.11ad */
3139         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3140         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3141         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3142         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3143         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3144         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3145         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3146         WLAN_STATUS_REJECT_DSE_BAND = 96,
3147         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3148         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3149         /* 802.11ai */
3150         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3151         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3152         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3153         WLAN_STATUS_SAE_PK = 127,
3154 };
3155
3156
3157 /* Reason codes */
3158 enum ieee80211_reasoncode {
3159         WLAN_REASON_UNSPECIFIED = 1,
3160         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3161         WLAN_REASON_DEAUTH_LEAVING = 3,
3162         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3163         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3164         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3165         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3166         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3167         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3168         /* 802.11h */
3169         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3170         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3171         /* 802.11i */
3172         WLAN_REASON_INVALID_IE = 13,
3173         WLAN_REASON_MIC_FAILURE = 14,
3174         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3175         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3176         WLAN_REASON_IE_DIFFERENT = 17,
3177         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3178         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3179         WLAN_REASON_INVALID_AKMP = 20,
3180         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3181         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3182         WLAN_REASON_IEEE8021X_FAILED = 23,
3183         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3184         /* TDLS (802.11z) */
3185         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3186         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3187         /* 802.11e */
3188         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3189         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3190         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3191         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3192         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3193         WLAN_REASON_QSTA_NOT_USE = 37,
3194         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3195         WLAN_REASON_QSTA_TIMEOUT = 39,
3196         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3197         /* 802.11s */
3198         WLAN_REASON_MESH_PEER_CANCELED = 52,
3199         WLAN_REASON_MESH_MAX_PEERS = 53,
3200         WLAN_REASON_MESH_CONFIG = 54,
3201         WLAN_REASON_MESH_CLOSE = 55,
3202         WLAN_REASON_MESH_MAX_RETRIES = 56,
3203         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3204         WLAN_REASON_MESH_INVALID_GTK = 58,
3205         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3206         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3207         WLAN_REASON_MESH_PATH_ERROR = 61,
3208         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3209         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3210         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3211         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3212         WLAN_REASON_MESH_CHAN = 66,
3213 };
3214
3215
3216 /* Information Element IDs */
3217 enum ieee80211_eid {
3218         WLAN_EID_SSID = 0,
3219         WLAN_EID_SUPP_RATES = 1,
3220         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3221         WLAN_EID_DS_PARAMS = 3,
3222         WLAN_EID_CF_PARAMS = 4,
3223         WLAN_EID_TIM = 5,
3224         WLAN_EID_IBSS_PARAMS = 6,
3225         WLAN_EID_COUNTRY = 7,
3226         /* 8, 9 reserved */
3227         WLAN_EID_REQUEST = 10,
3228         WLAN_EID_QBSS_LOAD = 11,
3229         WLAN_EID_EDCA_PARAM_SET = 12,
3230         WLAN_EID_TSPEC = 13,
3231         WLAN_EID_TCLAS = 14,
3232         WLAN_EID_SCHEDULE = 15,
3233         WLAN_EID_CHALLENGE = 16,
3234         /* 17-31 reserved for challenge text extension */
3235         WLAN_EID_PWR_CONSTRAINT = 32,
3236         WLAN_EID_PWR_CAPABILITY = 33,
3237         WLAN_EID_TPC_REQUEST = 34,
3238         WLAN_EID_TPC_REPORT = 35,
3239         WLAN_EID_SUPPORTED_CHANNELS = 36,
3240         WLAN_EID_CHANNEL_SWITCH = 37,
3241         WLAN_EID_MEASURE_REQUEST = 38,
3242         WLAN_EID_MEASURE_REPORT = 39,
3243         WLAN_EID_QUIET = 40,
3244         WLAN_EID_IBSS_DFS = 41,
3245         WLAN_EID_ERP_INFO = 42,
3246         WLAN_EID_TS_DELAY = 43,
3247         WLAN_EID_TCLAS_PROCESSING = 44,
3248         WLAN_EID_HT_CAPABILITY = 45,
3249         WLAN_EID_QOS_CAPA = 46,
3250         /* 47 reserved for Broadcom */
3251         WLAN_EID_RSN = 48,
3252         WLAN_EID_802_15_COEX = 49,
3253         WLAN_EID_EXT_SUPP_RATES = 50,
3254         WLAN_EID_AP_CHAN_REPORT = 51,
3255         WLAN_EID_NEIGHBOR_REPORT = 52,
3256         WLAN_EID_RCPI = 53,
3257         WLAN_EID_MOBILITY_DOMAIN = 54,
3258         WLAN_EID_FAST_BSS_TRANSITION = 55,
3259         WLAN_EID_TIMEOUT_INTERVAL = 56,
3260         WLAN_EID_RIC_DATA = 57,
3261         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3262         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3263         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3264         WLAN_EID_HT_OPERATION = 61,
3265         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3266         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3267         WLAN_EID_ANTENNA_INFO = 64,
3268         WLAN_EID_RSNI = 65,
3269         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3270         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3271         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3272         WLAN_EID_TIME_ADVERTISEMENT = 69,
3273         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3274         WLAN_EID_MULTIPLE_BSSID = 71,
3275         WLAN_EID_BSS_COEX_2040 = 72,
3276         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3277         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3278         WLAN_EID_RIC_DESCRIPTOR = 75,
3279         WLAN_EID_MMIE = 76,
3280         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3281         WLAN_EID_EVENT_REQUEST = 78,
3282         WLAN_EID_EVENT_REPORT = 79,
3283         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3284         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3285         WLAN_EID_LOCATION_PARAMS = 82,
3286         WLAN_EID_NON_TX_BSSID_CAP =  83,
3287         WLAN_EID_SSID_LIST = 84,
3288         WLAN_EID_MULTI_BSSID_IDX = 85,
3289         WLAN_EID_FMS_DESCRIPTOR = 86,
3290         WLAN_EID_FMS_REQUEST = 87,
3291         WLAN_EID_FMS_RESPONSE = 88,
3292         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3293         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3294         WLAN_EID_TSF_REQUEST = 91,
3295         WLAN_EID_TSF_RESPOSNE = 92,
3296         WLAN_EID_WNM_SLEEP_MODE = 93,
3297         WLAN_EID_TIM_BCAST_REQ = 94,
3298         WLAN_EID_TIM_BCAST_RESP = 95,
3299         WLAN_EID_COLL_IF_REPORT = 96,
3300         WLAN_EID_CHANNEL_USAGE = 97,
3301         WLAN_EID_TIME_ZONE = 98,
3302         WLAN_EID_DMS_REQUEST = 99,
3303         WLAN_EID_DMS_RESPONSE = 100,
3304         WLAN_EID_LINK_ID = 101,
3305         WLAN_EID_WAKEUP_SCHEDUL = 102,
3306         /* 103 reserved */
3307         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3308         WLAN_EID_PTI_CONTROL = 105,
3309         WLAN_EID_PU_BUFFER_STATUS = 106,
3310         WLAN_EID_INTERWORKING = 107,
3311         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3312         WLAN_EID_EXPEDITED_BW_REQ = 109,
3313         WLAN_EID_QOS_MAP_SET = 110,
3314         WLAN_EID_ROAMING_CONSORTIUM = 111,
3315         WLAN_EID_EMERGENCY_ALERT = 112,
3316         WLAN_EID_MESH_CONFIG = 113,
3317         WLAN_EID_MESH_ID = 114,
3318         WLAN_EID_LINK_METRIC_REPORT = 115,
3319         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3320         WLAN_EID_PEER_MGMT = 117,
3321         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3322         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3323         WLAN_EID_BEACON_TIMING = 120,
3324         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3325         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3326         WLAN_EID_MCCAOP_ADVERT = 123,
3327         WLAN_EID_MCCAOP_TEARDOWN = 124,
3328         WLAN_EID_GANN = 125,
3329         WLAN_EID_RANN = 126,
3330         WLAN_EID_EXT_CAPABILITY = 127,
3331         /* 128, 129 reserved for Agere */
3332         WLAN_EID_PREQ = 130,
3333         WLAN_EID_PREP = 131,
3334         WLAN_EID_PERR = 132,
3335         /* 133-136 reserved for Cisco */
3336         WLAN_EID_PXU = 137,
3337         WLAN_EID_PXUC = 138,
3338         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3339         WLAN_EID_MIC = 140,
3340         WLAN_EID_DESTINATION_URI = 141,
3341         WLAN_EID_UAPSD_COEX = 142,
3342         WLAN_EID_WAKEUP_SCHEDULE = 143,
3343         WLAN_EID_EXT_SCHEDULE = 144,
3344         WLAN_EID_STA_AVAILABILITY = 145,
3345         WLAN_EID_DMG_TSPEC = 146,
3346         WLAN_EID_DMG_AT = 147,
3347         WLAN_EID_DMG_CAP = 148,
3348         /* 149 reserved for Cisco */
3349         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3350         WLAN_EID_DMG_OPERATION = 151,
3351         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3352         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3353         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3354         /* 155-156 reserved for Cisco */
3355         WLAN_EID_AWAKE_WINDOW = 157,
3356         WLAN_EID_MULTI_BAND = 158,
3357         WLAN_EID_ADDBA_EXT = 159,
3358         WLAN_EID_NEXT_PCP_LIST = 160,
3359         WLAN_EID_PCP_HANDOVER = 161,
3360         WLAN_EID_DMG_LINK_MARGIN = 162,
3361         WLAN_EID_SWITCHING_STREAM = 163,
3362         WLAN_EID_SESSION_TRANSITION = 164,
3363         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3364         WLAN_EID_CLUSTER_REPORT = 166,
3365         WLAN_EID_RELAY_CAP = 167,
3366         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3367         WLAN_EID_BEAM_LINK_MAINT = 169,
3368         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3369         WLAN_EID_U_PID = 171,
3370         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3371         /* 173 reserved for Symbol */
3372         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3373         WLAN_EID_QUIET_PERIOD_REQ = 175,
3374         /* 176 reserved for Symbol */
3375         WLAN_EID_QUIET_PERIOD_RESP = 177,
3376         /* 178-179 reserved for Symbol */
3377         /* 180 reserved for ISO/IEC 20011 */
3378         WLAN_EID_EPAC_POLICY = 182,
3379         WLAN_EID_CLISTER_TIME_OFF = 183,
3380         WLAN_EID_INTER_AC_PRIO = 184,
3381         WLAN_EID_SCS_DESCRIPTOR = 185,
3382         WLAN_EID_QLOAD_REPORT = 186,
3383         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3384         WLAN_EID_HL_STREAM_ID = 188,
3385         WLAN_EID_GCR_GROUP_ADDR = 189,
3386         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3387         WLAN_EID_VHT_CAPABILITY = 191,
3388         WLAN_EID_VHT_OPERATION = 192,
3389         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3390         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3391         WLAN_EID_TX_POWER_ENVELOPE = 195,
3392         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3393         WLAN_EID_AID = 197,
3394         WLAN_EID_QUIET_CHANNEL = 198,
3395         WLAN_EID_OPMODE_NOTIF = 199,
3396
3397         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3398
3399         WLAN_EID_AID_REQUEST = 210,
3400         WLAN_EID_AID_RESPONSE = 211,
3401         WLAN_EID_S1G_BCN_COMPAT = 213,
3402         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3403         WLAN_EID_S1G_TWT = 216,
3404         WLAN_EID_S1G_CAPABILITIES = 217,
3405         WLAN_EID_VENDOR_SPECIFIC = 221,
3406         WLAN_EID_QOS_PARAMETER = 222,
3407         WLAN_EID_S1G_OPERATION = 232,
3408         WLAN_EID_CAG_NUMBER = 237,
3409         WLAN_EID_AP_CSN = 239,
3410         WLAN_EID_FILS_INDICATION = 240,
3411         WLAN_EID_DILS = 241,
3412         WLAN_EID_FRAGMENT = 242,
3413         WLAN_EID_RSNX = 244,
3414         WLAN_EID_EXTENSION = 255
3415 };
3416
3417 /* Element ID Extensions for Element ID 255 */
3418 enum ieee80211_eid_ext {
3419         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3420         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3421         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3422         WLAN_EID_EXT_FILS_SESSION = 4,
3423         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3424         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3425         WLAN_EID_EXT_KEY_DELIVERY = 7,
3426         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3427         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3428         WLAN_EID_EXT_FILS_NONCE = 13,
3429         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3430         WLAN_EID_EXT_HE_CAPABILITY = 35,
3431         WLAN_EID_EXT_HE_OPERATION = 36,
3432         WLAN_EID_EXT_UORA = 37,
3433         WLAN_EID_EXT_HE_MU_EDCA = 38,
3434         WLAN_EID_EXT_HE_SPR = 39,
3435         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3436         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3437         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3438         WLAN_EID_EXT_ESS_REPORT = 45,
3439         WLAN_EID_EXT_OPS = 46,
3440         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3441         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3442         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3443         WLAN_EID_EXT_NON_INHERITANCE = 56,
3444         WLAN_EID_EXT_KNOWN_BSSID = 57,
3445         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3446         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3447         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3448         WLAN_EID_EXT_EHT_OPERATION = 106,
3449         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3450         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3451 };
3452
3453 /* Action category code */
3454 enum ieee80211_category {
3455         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3456         WLAN_CATEGORY_QOS = 1,
3457         WLAN_CATEGORY_DLS = 2,
3458         WLAN_CATEGORY_BACK = 3,
3459         WLAN_CATEGORY_PUBLIC = 4,
3460         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3461         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3462         WLAN_CATEGORY_HT = 7,
3463         WLAN_CATEGORY_SA_QUERY = 8,
3464         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3465         WLAN_CATEGORY_WNM = 10,
3466         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3467         WLAN_CATEGORY_TDLS = 12,
3468         WLAN_CATEGORY_MESH_ACTION = 13,
3469         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3470         WLAN_CATEGORY_SELF_PROTECTED = 15,
3471         WLAN_CATEGORY_DMG = 16,
3472         WLAN_CATEGORY_WMM = 17,
3473         WLAN_CATEGORY_FST = 18,
3474         WLAN_CATEGORY_UNPROT_DMG = 20,
3475         WLAN_CATEGORY_VHT = 21,
3476         WLAN_CATEGORY_S1G = 22,
3477         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3478         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3479 };
3480
3481 /* SPECTRUM_MGMT action code */
3482 enum ieee80211_spectrum_mgmt_actioncode {
3483         WLAN_ACTION_SPCT_MSR_REQ = 0,
3484         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3485         WLAN_ACTION_SPCT_TPC_REQ = 2,
3486         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3487         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3488 };
3489
3490 /* HT action codes */
3491 enum ieee80211_ht_actioncode {
3492         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3493         WLAN_HT_ACTION_SMPS = 1,
3494         WLAN_HT_ACTION_PSMP = 2,
3495         WLAN_HT_ACTION_PCO_PHASE = 3,
3496         WLAN_HT_ACTION_CSI = 4,
3497         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3498         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3499         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3500 };
3501
3502 /* VHT action codes */
3503 enum ieee80211_vht_actioncode {
3504         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3505         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3506         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3507 };
3508
3509 /* Self Protected Action codes */
3510 enum ieee80211_self_protected_actioncode {
3511         WLAN_SP_RESERVED = 0,
3512         WLAN_SP_MESH_PEERING_OPEN = 1,
3513         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3514         WLAN_SP_MESH_PEERING_CLOSE = 3,
3515         WLAN_SP_MGK_INFORM = 4,
3516         WLAN_SP_MGK_ACK = 5,
3517 };
3518
3519 /* Mesh action codes */
3520 enum ieee80211_mesh_actioncode {
3521         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3522         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3523         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3524         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3525         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3526         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3527         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3528         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3529         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3530         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3531         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3532 };
3533
3534 /* Unprotected WNM action codes */
3535 enum ieee80211_unprotected_wnm_actioncode {
3536         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3537         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3538 };
3539
3540 /* Public action codes */
3541 enum ieee80211_public_actioncode {
3542         WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
3543 };
3544
3545 /* Security key length */
3546 enum ieee80211_key_len {
3547         WLAN_KEY_LEN_WEP40 = 5,
3548         WLAN_KEY_LEN_WEP104 = 13,
3549         WLAN_KEY_LEN_CCMP = 16,
3550         WLAN_KEY_LEN_CCMP_256 = 32,
3551         WLAN_KEY_LEN_TKIP = 32,
3552         WLAN_KEY_LEN_AES_CMAC = 16,
3553         WLAN_KEY_LEN_SMS4 = 32,
3554         WLAN_KEY_LEN_GCMP = 16,
3555         WLAN_KEY_LEN_GCMP_256 = 32,
3556         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3557         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3558         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3559 };
3560
3561 enum ieee80211_s1g_actioncode {
3562         WLAN_S1G_AID_SWITCH_REQUEST,
3563         WLAN_S1G_AID_SWITCH_RESPONSE,
3564         WLAN_S1G_SYNC_CONTROL,
3565         WLAN_S1G_STA_INFO_ANNOUNCE,
3566         WLAN_S1G_EDCA_PARAM_SET,
3567         WLAN_S1G_EL_OPERATION,
3568         WLAN_S1G_TWT_SETUP,
3569         WLAN_S1G_TWT_TEARDOWN,
3570         WLAN_S1G_SECT_GROUP_ID_LIST,
3571         WLAN_S1G_SECT_ID_FEEDBACK,
3572         WLAN_S1G_TWT_INFORMATION = 11,
3573 };
3574
3575 #define IEEE80211_WEP_IV_LEN            4
3576 #define IEEE80211_WEP_ICV_LEN           4
3577 #define IEEE80211_CCMP_HDR_LEN          8
3578 #define IEEE80211_CCMP_MIC_LEN          8
3579 #define IEEE80211_CCMP_PN_LEN           6
3580 #define IEEE80211_CCMP_256_HDR_LEN      8
3581 #define IEEE80211_CCMP_256_MIC_LEN      16
3582 #define IEEE80211_CCMP_256_PN_LEN       6
3583 #define IEEE80211_TKIP_IV_LEN           8
3584 #define IEEE80211_TKIP_ICV_LEN          4
3585 #define IEEE80211_CMAC_PN_LEN           6
3586 #define IEEE80211_GMAC_PN_LEN           6
3587 #define IEEE80211_GCMP_HDR_LEN          8
3588 #define IEEE80211_GCMP_MIC_LEN          16
3589 #define IEEE80211_GCMP_PN_LEN           6
3590
3591 #define FILS_NONCE_LEN                  16
3592 #define FILS_MAX_KEK_LEN                64
3593
3594 #define FILS_ERP_MAX_USERNAME_LEN       16
3595 #define FILS_ERP_MAX_REALM_LEN          253
3596 #define FILS_ERP_MAX_RRK_LEN            64
3597
3598 #define PMK_MAX_LEN                     64
3599 #define SAE_PASSWORD_MAX_LEN            128
3600
3601 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3602 enum ieee80211_pub_actioncode {
3603         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3604         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3605         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3606         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3607         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3608         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3609         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3610         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3611         WLAN_PUB_ACTION_DSE_PC = 8,
3612         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3613         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3614         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3615         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3616         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3617         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3618         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3619         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3620         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3621         WLAN_PUB_ACTION_QMF_POLICY = 18,
3622         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3623         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3624         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3625         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3626         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3627         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3628         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3629         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3630         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3631         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3632         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3633         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3634         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3635         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3636         WLAN_PUB_ACTION_FTM = 33,
3637         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3638 };
3639
3640 /* TDLS action codes */
3641 enum ieee80211_tdls_actioncode {
3642         WLAN_TDLS_SETUP_REQUEST = 0,
3643         WLAN_TDLS_SETUP_RESPONSE = 1,
3644         WLAN_TDLS_SETUP_CONFIRM = 2,
3645         WLAN_TDLS_TEARDOWN = 3,
3646         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3647         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3648         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3649         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3650         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3651         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3652         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3653 };
3654
3655 /* Extended Channel Switching capability to be set in the 1st byte of
3656  * the @WLAN_EID_EXT_CAPABILITY information element
3657  */
3658 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3659
3660 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3661  * @WLAN_EID_EXT_CAPABILITY information element
3662  */
3663 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3664
3665 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3666  * of the @WLAN_EID_EXT_CAPABILITY information element
3667  */
3668 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3669
3670 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3671 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3672 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3673 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3674
3675 /* Interworking capabilities are set in 7th bit of 4th byte of the
3676  * @WLAN_EID_EXT_CAPABILITY information element
3677  */
3678 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3679
3680 /*
3681  * TDLS capabililites to be enabled in the 5th byte of the
3682  * @WLAN_EID_EXT_CAPABILITY information element
3683  */
3684 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3685 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3686 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3687
3688 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3689 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3690
3691 /* Defines the maximal number of MSDUs in an A-MSDU. */
3692 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3693 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3694
3695 /*
3696  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3697  * information element
3698  */
3699 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3700
3701 /* Defines support for TWT Requester and TWT Responder */
3702 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3703 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3704
3705 /*
3706  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3707  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3708  * 26-tone RU UL OFDMA transmissions as radar pulses).
3709  */
3710 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3711
3712 /* Defines support for enhanced multi-bssid advertisement*/
3713 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3714
3715 /* TDLS specific payload type in the LLC/SNAP header */
3716 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3717
3718 /* BSS Coex IE information field bits */
3719 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3720
3721 /**
3722  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3723  *
3724  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3725  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3726  *      that will be specified in a vendor specific information element
3727  */
3728 enum ieee80211_mesh_sync_method {
3729         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3730         IEEE80211_SYNC_METHOD_VENDOR = 255,
3731 };
3732
3733 /**
3734  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3735  *
3736  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3737  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3738  *      be specified in a vendor specific information element
3739  */
3740 enum ieee80211_mesh_path_protocol {
3741         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3742         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3743 };
3744
3745 /**
3746  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3747  *
3748  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3749  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3750  *      specified in a vendor specific information element
3751  */
3752 enum ieee80211_mesh_path_metric {
3753         IEEE80211_PATH_METRIC_AIRTIME = 1,
3754         IEEE80211_PATH_METRIC_VENDOR = 255,
3755 };
3756
3757 /**
3758  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3759  *
3760  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3761  *
3762  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3763  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3764  *      this value
3765  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3766  *      the proactive PREQ with proactive PREP subfield set to 0
3767  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3768  *      supports the proactive PREQ with proactive PREP subfield set to 1
3769  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3770  *      the proactive RANN
3771  */
3772 enum ieee80211_root_mode_identifier {
3773         IEEE80211_ROOTMODE_NO_ROOT = 0,
3774         IEEE80211_ROOTMODE_ROOT = 1,
3775         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3776         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3777         IEEE80211_PROACTIVE_RANN = 4,
3778 };
3779
3780 /*
3781  * IEEE 802.11-2007 7.3.2.9 Country information element
3782  *
3783  * Minimum length is 8 octets, ie len must be evenly
3784  * divisible by 2
3785  */
3786
3787 /* Although the spec says 8 I'm seeing 6 in practice */
3788 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3789
3790 /* The Country String field of the element shall be 3 octets in length */
3791 #define IEEE80211_COUNTRY_STRING_LEN    3
3792
3793 /*
3794  * For regulatory extension stuff see IEEE 802.11-2007
3795  * Annex I (page 1141) and Annex J (page 1147). Also
3796  * review 7.3.2.9.
3797  *
3798  * When dot11RegulatoryClassesRequired is true and the
3799  * first_channel/reg_extension_id is >= 201 then the IE
3800  * compromises of the 'ext' struct represented below:
3801  *
3802  *  - Regulatory extension ID - when generating IE this just needs
3803  *    to be monotonically increasing for each triplet passed in
3804  *    the IE
3805  *  - Regulatory class - index into set of rules
3806  *  - Coverage class - index into air propagation time (Table 7-27),
3807  *    in microseconds, you can compute the air propagation time from
3808  *    the index by multiplying by 3, so index 10 yields a propagation
3809  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3810  *    yet. A value of 0 inicates air propagation of <= 1 us.
3811  *
3812  *  See also Table I.2 for Emission limit sets and table
3813  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3814  *  a reg_class to an emission limit set and behavior limit set.
3815  */
3816 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3817
3818 /*
3819  *  Channels numbers in the IE must be monotonically increasing
3820  *  if dot11RegulatoryClassesRequired is not true.
3821  *
3822  *  If dot11RegulatoryClassesRequired is true consecutive
3823  *  subband triplets following a regulatory triplet shall
3824  *  have monotonically increasing first_channel number fields.
3825  *
3826  *  Channel numbers shall not overlap.
3827  *
3828  *  Note that max_power is signed.
3829  */
3830 struct ieee80211_country_ie_triplet {
3831         union {
3832                 struct {
3833                         u8 first_channel;
3834                         u8 num_channels;
3835                         s8 max_power;
3836                 } __packed chans;
3837                 struct {
3838                         u8 reg_extension_id;
3839                         u8 reg_class;
3840                         u8 coverage_class;
3841                 } __packed ext;
3842         };
3843 } __packed;
3844
3845 enum ieee80211_timeout_interval_type {
3846         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3847         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3848         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3849 };
3850
3851 /**
3852  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3853  * @type: type, see &enum ieee80211_timeout_interval_type
3854  * @value: timeout interval value
3855  */
3856 struct ieee80211_timeout_interval_ie {
3857         u8 type;
3858         __le32 value;
3859 } __packed;
3860
3861 /**
3862  * enum ieee80211_idle_options - BSS idle options
3863  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3864  *      protected frame to the AP to reset the idle timer at the AP for
3865  *      the station.
3866  */
3867 enum ieee80211_idle_options {
3868         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3869 };
3870
3871 /**
3872  * struct ieee80211_bss_max_idle_period_ie
3873  *
3874  * This structure refers to "BSS Max idle period element"
3875  *
3876  * @max_idle_period: indicates the time period during which a station can
3877  *      refrain from transmitting frames to its associated AP without being
3878  *      disassociated. In units of 1000 TUs.
3879  * @idle_options: indicates the options associated with the BSS idle capability
3880  *      as specified in &enum ieee80211_idle_options.
3881  */
3882 struct ieee80211_bss_max_idle_period_ie {
3883         __le16 max_idle_period;
3884         u8 idle_options;
3885 } __packed;
3886
3887 /* BACK action code */
3888 enum ieee80211_back_actioncode {
3889         WLAN_ACTION_ADDBA_REQ = 0,
3890         WLAN_ACTION_ADDBA_RESP = 1,
3891         WLAN_ACTION_DELBA = 2,
3892 };
3893
3894 /* BACK (block-ack) parties */
3895 enum ieee80211_back_parties {
3896         WLAN_BACK_RECIPIENT = 0,
3897         WLAN_BACK_INITIATOR = 1,
3898 };
3899
3900 /* SA Query action */
3901 enum ieee80211_sa_query_action {
3902         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3903         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3904 };
3905
3906 /**
3907  * struct ieee80211_bssid_index
3908  *
3909  * This structure refers to "Multiple BSSID-index element"
3910  *
3911  * @bssid_index: BSSID index
3912  * @dtim_period: optional, overrides transmitted BSS dtim period
3913  * @dtim_count: optional, overrides transmitted BSS dtim count
3914  */
3915 struct ieee80211_bssid_index {
3916         u8 bssid_index;
3917         u8 dtim_period;
3918         u8 dtim_count;
3919 };
3920
3921 /**
3922  * struct ieee80211_multiple_bssid_configuration
3923  *
3924  * This structure refers to "Multiple BSSID Configuration element"
3925  *
3926  * @bssid_count: total number of active BSSIDs in the set
3927  * @profile_periodicity: the least number of beacon frames need to be received
3928  *      in order to discover all the nontransmitted BSSIDs in the set.
3929  */
3930 struct ieee80211_multiple_bssid_configuration {
3931         u8 bssid_count;
3932         u8 profile_periodicity;
3933 };
3934
3935 #define SUITE(oui, id)  (((oui) << 8) | (id))
3936
3937 /* cipher suite selectors */
3938 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3939 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3940 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3941 /* reserved:                            SUITE(0x000FAC, 3) */
3942 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3943 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3944 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3945 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3946 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3947 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3948 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3949 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3950 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3951
3952 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3953
3954 /* AKM suite selectors */
3955 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3956 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3957 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3958 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3959 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3960 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3961 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3962 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3963 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3964 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3965 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3966 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3967 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3968 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3969 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3970 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3971 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3972 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3973 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3974 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3975
3976 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
3977
3978 #define WLAN_MAX_KEY_LEN                32
3979
3980 #define WLAN_PMK_NAME_LEN               16
3981 #define WLAN_PMKID_LEN                  16
3982 #define WLAN_PMK_LEN_EAP_LEAP           16
3983 #define WLAN_PMK_LEN                    32
3984 #define WLAN_PMK_LEN_SUITE_B_192        48
3985
3986 #define WLAN_OUI_WFA                    0x506f9a
3987 #define WLAN_OUI_TYPE_WFA_P2P           9
3988 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
3989 #define WLAN_OUI_MICROSOFT              0x0050f2
3990 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3991 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3992 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3993 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3994
3995 /*
3996  * WMM/802.11e Tspec Element
3997  */
3998 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3999 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4000
4001 enum ieee80211_tspec_status_code {
4002         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4003         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4004 };
4005
4006 struct ieee80211_tspec_ie {
4007         u8 element_id;
4008         u8 len;
4009         u8 oui[3];
4010         u8 oui_type;
4011         u8 oui_subtype;
4012         u8 version;
4013         __le16 tsinfo;
4014         u8 tsinfo_resvd;
4015         __le16 nominal_msdu;
4016         __le16 max_msdu;
4017         __le32 min_service_int;
4018         __le32 max_service_int;
4019         __le32 inactivity_int;
4020         __le32 suspension_int;
4021         __le32 service_start_time;
4022         __le32 min_data_rate;
4023         __le32 mean_data_rate;
4024         __le32 peak_data_rate;
4025         __le32 max_burst_size;
4026         __le32 delay_bound;
4027         __le32 min_phy_rate;
4028         __le16 sba;
4029         __le16 medium_time;
4030 } __packed;
4031
4032 struct ieee80211_he_6ghz_capa {
4033         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4034         __le16 capa;
4035 } __packed;
4036
4037 /* HE 6 GHz band capabilities */
4038 /* uses enum ieee80211_min_mpdu_spacing values */
4039 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4040 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4041 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4042 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4043 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4044 /* WLAN_HT_CAP_SM_PS_* values */
4045 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4046 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4047 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4048 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4049
4050 /**
4051  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4052  * @hdr: the frame
4053  *
4054  * The qos ctrl bytes come after the frame_control, duration, seq_num
4055  * and 3 or 4 addresses of length ETH_ALEN.
4056  * 3 addr: 2 + 2 + 2 + 3*6 = 24
4057  * 4 addr: 2 + 2 + 2 + 4*6 = 30
4058  */
4059 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4060 {
4061         if (ieee80211_has_a4(hdr->frame_control))
4062                 return (u8 *)hdr + 30;
4063         else
4064                 return (u8 *)hdr + 24;
4065 }
4066
4067 /**
4068  * ieee80211_get_tid - get qos TID
4069  * @hdr: the frame
4070  */
4071 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4072 {
4073         u8 *qc = ieee80211_get_qos_ctl(hdr);
4074
4075         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4076 }
4077
4078 /**
4079  * ieee80211_get_SA - get pointer to SA
4080  * @hdr: the frame
4081  *
4082  * Given an 802.11 frame, this function returns the offset
4083  * to the source address (SA). It does not verify that the
4084  * header is long enough to contain the address, and the
4085  * header must be long enough to contain the frame control
4086  * field.
4087  */
4088 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4089 {
4090         if (ieee80211_has_a4(hdr->frame_control))
4091                 return hdr->addr4;
4092         if (ieee80211_has_fromds(hdr->frame_control))
4093                 return hdr->addr3;
4094         return hdr->addr2;
4095 }
4096
4097 /**
4098  * ieee80211_get_DA - get pointer to DA
4099  * @hdr: the frame
4100  *
4101  * Given an 802.11 frame, this function returns the offset
4102  * to the destination address (DA). It does not verify that
4103  * the header is long enough to contain the address, and the
4104  * header must be long enough to contain the frame control
4105  * field.
4106  */
4107 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4108 {
4109         if (ieee80211_has_tods(hdr->frame_control))
4110                 return hdr->addr3;
4111         else
4112                 return hdr->addr1;
4113 }
4114
4115 /**
4116  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4117  * @hdr: the frame (buffer must include at least the first octet of payload)
4118  */
4119 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4120 {
4121         if (ieee80211_is_disassoc(hdr->frame_control) ||
4122             ieee80211_is_deauth(hdr->frame_control))
4123                 return true;
4124
4125         if (ieee80211_is_action(hdr->frame_control)) {
4126                 u8 *category;
4127
4128                 /*
4129                  * Action frames, excluding Public Action frames, are Robust
4130                  * Management Frames. However, if we are looking at a Protected
4131                  * frame, skip the check since the data may be encrypted and
4132                  * the frame has already been found to be a Robust Management
4133                  * Frame (by the other end).
4134                  */
4135                 if (ieee80211_has_protected(hdr->frame_control))
4136                         return true;
4137                 category = ((u8 *) hdr) + 24;
4138                 return *category != WLAN_CATEGORY_PUBLIC &&
4139                         *category != WLAN_CATEGORY_HT &&
4140                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4141                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4142                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4143                         *category != WLAN_CATEGORY_VHT &&
4144                         *category != WLAN_CATEGORY_S1G &&
4145                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4146         }
4147
4148         return false;
4149 }
4150
4151 /**
4152  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4153  * @skb: the skb containing the frame, length will be checked
4154  */
4155 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4156 {
4157         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4158                 return false;
4159         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4160 }
4161
4162 /**
4163  * ieee80211_is_public_action - check if frame is a public action frame
4164  * @hdr: the frame
4165  * @len: length of the frame
4166  */
4167 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4168                                               size_t len)
4169 {
4170         struct ieee80211_mgmt *mgmt = (void *)hdr;
4171
4172         if (len < IEEE80211_MIN_ACTION_SIZE)
4173                 return false;
4174         if (!ieee80211_is_action(hdr->frame_control))
4175                 return false;
4176         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4177 }
4178
4179 /**
4180  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4181  * privacy action frame
4182  * @hdr: the frame
4183  */
4184 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4185 {
4186         struct ieee80211_mgmt *mgmt = (void *)hdr;
4187
4188         if (!ieee80211_is_action(hdr->frame_control) ||
4189             !is_multicast_ether_addr(hdr->addr1))
4190                 return false;
4191
4192         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4193                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4194 }
4195
4196 /**
4197  * ieee80211_is_group_privacy_action - check if frame is a group addressed
4198  * privacy action frame
4199  * @skb: the skb containing the frame, length will be checked
4200  */
4201 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4202 {
4203         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4204                 return false;
4205         return _ieee80211_is_group_privacy_action((void *)skb->data);
4206 }
4207
4208 /**
4209  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4210  * @tu: the TUs
4211  */
4212 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4213 {
4214         return 1024 * tu;
4215 }
4216
4217 /**
4218  * ieee80211_check_tim - check if AID bit is set in TIM
4219  * @tim: the TIM IE
4220  * @tim_len: length of the TIM IE
4221  * @aid: the AID to look for
4222  */
4223 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4224                                        u8 tim_len, u16 aid)
4225 {
4226         u8 mask;
4227         u8 index, indexn1, indexn2;
4228
4229         if (unlikely(!tim || tim_len < sizeof(*tim)))
4230                 return false;
4231
4232         aid &= 0x3fff;
4233         index = aid / 8;
4234         mask  = 1 << (aid & 7);
4235
4236         indexn1 = tim->bitmap_ctrl & 0xfe;
4237         indexn2 = tim_len + indexn1 - 4;
4238
4239         if (index < indexn1 || index > indexn2)
4240                 return false;
4241
4242         index -= indexn1;
4243
4244         return !!(tim->virtual_map[index] & mask);
4245 }
4246
4247 /**
4248  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4249  * @skb: the skb containing the frame, length will not be checked
4250  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4251  *
4252  * This function assumes the frame is a data frame, and that the network header
4253  * is in the correct place.
4254  */
4255 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4256 {
4257         if (!skb_is_nonlinear(skb) &&
4258             skb->len > (skb_network_offset(skb) + 2)) {
4259                 /* Point to where the indication of TDLS should start */
4260                 const u8 *tdls_data = skb_network_header(skb) - 2;
4261
4262                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4263                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4264                     tdls_data[3] == WLAN_CATEGORY_TDLS)
4265                         return tdls_data[4];
4266         }
4267
4268         return -1;
4269 }
4270
4271 /* convert time units */
4272 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
4273 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
4274
4275 /* convert frequencies */
4276 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4277 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4278 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4279 #define KHZ_F "%d.%03d"
4280
4281 /* convert powers */
4282 #define DBI_TO_MBI(gain) ((gain) * 100)
4283 #define MBI_TO_DBI(gain) ((gain) / 100)
4284 #define DBM_TO_MBM(gain) ((gain) * 100)
4285 #define MBM_TO_DBM(gain) ((gain) / 100)
4286
4287 /**
4288  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4289  * @skb: the skb containing the frame, length will be checked
4290  *
4291  * This function checks if it's either TPC report action frame or Link
4292  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4293  * and 8.5.7.5 accordingly.
4294  */
4295 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4296 {
4297         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4298
4299         if (!ieee80211_is_action(mgmt->frame_control))
4300                 return false;
4301
4302         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4303                        sizeof(mgmt->u.action.u.tpc_report))
4304                 return false;
4305
4306         /*
4307          * TPC report - check that:
4308          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4309          * spectrum management action = 3 (TPC/Link Measurement report)
4310          * TPC report EID = 35
4311          * TPC report element length = 2
4312          *
4313          * The spectrum management's tpc_report struct is used here both for
4314          * parsing tpc_report and radio measurement's link measurement report
4315          * frame, since the relevant part is identical in both frames.
4316          */
4317         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4318             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4319                 return false;
4320
4321         /* both spectrum mgmt and link measurement have same action code */
4322         if (mgmt->u.action.u.tpc_report.action_code !=
4323             WLAN_ACTION_SPCT_TPC_RPRT)
4324                 return false;
4325
4326         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4327             mgmt->u.action.u.tpc_report.tpc_elem_length !=
4328             sizeof(struct ieee80211_tpc_report_ie))
4329                 return false;
4330
4331         return true;
4332 }
4333
4334 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4335 {
4336         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4337
4338         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4339                 return false;
4340
4341         if (!ieee80211_is_action(mgmt->frame_control))
4342                 return false;
4343
4344         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4345             mgmt->u.action.u.wnm_timing_msr.action_code ==
4346                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4347             skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4348                 return true;
4349
4350         return false;
4351 }
4352
4353 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4354 {
4355         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4356
4357         if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4358                 return false;
4359
4360         if (mgmt->u.action.u.ftm.action_code ==
4361                 WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
4362             skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4363                 return true;
4364
4365         return false;
4366 }
4367
4368 struct element {
4369         u8 id;
4370         u8 datalen;
4371         u8 data[];
4372 } __packed;
4373
4374 /* element iteration helpers */
4375 #define for_each_element(_elem, _data, _datalen)                        \
4376         for (_elem = (const struct element *)(_data);                   \
4377              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4378                 (int)sizeof(*_elem) &&                                  \
4379              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4380                 (int)sizeof(*_elem) + _elem->datalen;                   \
4381              _elem = (const struct element *)(_elem->data + _elem->datalen))
4382
4383 #define for_each_element_id(element, _id, data, datalen)                \
4384         for_each_element(element, data, datalen)                        \
4385                 if (element->id == (_id))
4386
4387 #define for_each_element_extid(element, extid, _data, _datalen)         \
4388         for_each_element(element, _data, _datalen)                      \
4389                 if (element->id == WLAN_EID_EXTENSION &&                \
4390                     element->datalen > 0 &&                             \
4391                     element->data[0] == (extid))
4392
4393 #define for_each_subelement(sub, element)                               \
4394         for_each_element(sub, (element)->data, (element)->datalen)
4395
4396 #define for_each_subelement_id(sub, id, element)                        \
4397         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4398
4399 #define for_each_subelement_extid(sub, extid, element)                  \
4400         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4401
4402 /**
4403  * for_each_element_completed - determine if element parsing consumed all data
4404  * @element: element pointer after for_each_element() or friends
4405  * @data: same data pointer as passed to for_each_element() or friends
4406  * @datalen: same data length as passed to for_each_element() or friends
4407  *
4408  * This function returns %true if all the data was parsed or considered
4409  * while walking the elements. Only use this if your for_each_element()
4410  * loop cannot be broken out of, otherwise it always returns %false.
4411  *
4412  * If some data was malformed, this returns %false since the last parsed
4413  * element will not fill the whole remaining data.
4414  */
4415 static inline bool for_each_element_completed(const struct element *element,
4416                                               const void *data, size_t datalen)
4417 {
4418         return (const u8 *)element == (const u8 *)data + datalen;
4419 }
4420
4421 /**
4422  * RSNX Capabilities:
4423  * bits 0-3: Field length (n-1)
4424  */
4425 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4426 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4427
4428 /*
4429  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4430  * section 9.4.2.170 and accepted contributions.
4431  */
4432 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4433 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4434 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4435 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4436 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4437 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4438
4439 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4440 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4441 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4442 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4443 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4444 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4445 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4446
4447 struct ieee80211_neighbor_ap_info {
4448         u8 tbtt_info_hdr;
4449         u8 tbtt_info_len;
4450         u8 op_class;
4451         u8 channel;
4452 } __packed;
4453
4454 enum ieee80211_range_params_max_total_ltf {
4455         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4456         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4457         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4458         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4459 };
4460
4461 /* multi-link device */
4462 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4463
4464 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4465 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4466 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4467 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4468 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4469 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4470 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4471
4472 struct ieee80211_multi_link_elem {
4473         __le16 control;
4474         u8 variable[];
4475 } __packed;
4476
4477 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4478 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4479 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4480 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4481 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4482 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4483
4484 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4485 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4486 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4487
4488 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4489 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4490 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4491 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4492 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4493 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4494 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4495 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4496 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4497 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4498 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4499 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4500 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4501 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4502 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4503 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4504 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4505 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4506 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4507 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4508 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4509 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4510 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4511 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4512 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4513 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4514 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4515 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4516 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4517 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4518 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4519 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4520 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4521 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4522
4523 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4524 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4525 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4526 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4527 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4528
4529 struct ieee80211_mle_basic_common_info {
4530         u8 len;
4531         u8 mld_mac_addr[ETH_ALEN];
4532         u8 variable[];
4533 } __packed;
4534
4535 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4536
4537 struct ieee80211_mle_preq_common_info {
4538         u8 len;
4539         u8 variable[];
4540 } __packed;
4541
4542 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4543
4544 /* no fixed fields in RECONF */
4545
4546 struct ieee80211_mle_tdls_common_info {
4547         u8 len;
4548         u8 ap_mld_mac_addr[ETH_ALEN];
4549 } __packed;
4550
4551 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4552
4553 /* no fixed fields in PRIO_ACCESS */
4554
4555 /**
4556  * ieee80211_mle_common_size - check multi-link element common size
4557  * @data: multi-link element, must already be checked for size using
4558  *      ieee80211_mle_size_ok()
4559  */
4560 static inline u8 ieee80211_mle_common_size(const u8 *data)
4561 {
4562         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4563         u16 control = le16_to_cpu(mle->control);
4564         u8 common = 0;
4565
4566         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4567         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4568                 common += sizeof(struct ieee80211_mle_basic_common_info);
4569                 break;
4570         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4571                 common += sizeof(struct ieee80211_mle_preq_common_info);
4572                 break;
4573         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4574                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4575                         common += ETH_ALEN;
4576                 return common;
4577         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4578                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4579                 break;
4580         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4581                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4582                         common += ETH_ALEN;
4583                 return common;
4584         default:
4585                 WARN_ON(1);
4586                 return 0;
4587         }
4588
4589         return common + mle->variable[0];
4590 }
4591
4592 /**
4593  * ieee80211_mle_size_ok - validate multi-link element size
4594  * @data: pointer to the element data
4595  * @len: length of the containing element
4596  */
4597 static inline bool ieee80211_mle_size_ok(const u8 *data, u8 len)
4598 {
4599         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4600         u8 fixed = sizeof(*mle);
4601         u8 common = 0;
4602         bool check_common_len = false;
4603         u16 control;
4604
4605         if (len < fixed)
4606                 return false;
4607
4608         control = le16_to_cpu(mle->control);
4609
4610         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4611         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4612                 common += sizeof(struct ieee80211_mle_basic_common_info);
4613                 check_common_len = true;
4614                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4615                         common += 1;
4616                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4617                         common += 1;
4618                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4619                         common += 2;
4620                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4621                         common += 2;
4622                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4623                         common += 2;
4624                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4625                         common += 1;
4626                 break;
4627         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4628                 common += sizeof(struct ieee80211_mle_preq_common_info);
4629                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4630                         common += 1;
4631                 check_common_len = true;
4632                 break;
4633         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4634                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4635                         common += ETH_ALEN;
4636                 break;
4637         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4638                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4639                 check_common_len = true;
4640                 break;
4641         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4642                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4643                         common += ETH_ALEN;
4644                 break;
4645         default:
4646                 /* we don't know this type */
4647                 return true;
4648         }
4649
4650         if (len < fixed + common)
4651                 return false;
4652
4653         if (!check_common_len)
4654                 return true;
4655
4656         /* if present, common length is the first octet there */
4657         return mle->variable[0] >= common;
4658 }
4659
4660 enum ieee80211_mle_subelems {
4661         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4662 };
4663
4664 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4665 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4666 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4667 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4668 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4669 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4670 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4671 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4672 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4673
4674 struct ieee80211_mle_per_sta_profile {
4675         __le16 control;
4676         u8 sta_info_len;
4677         u8 variable[];
4678 } __packed;
4679
4680 #define for_each_mle_subelement(_elem, _data, _len)                     \
4681         if (ieee80211_mle_size_ok(_data, _len))                         \
4682                 for_each_element(_elem,                                 \
4683                                  _data + ieee80211_mle_common_size(_data),\
4684                                  _len - ieee80211_mle_common_size(_data))
4685
4686 #endif /* LINUX_IEEE80211_H */