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                         } u;
1336                 } __packed action;
1337         } u;
1338 } __packed __aligned(2);
1339
1340 /* Supported rates membership selectors */
1341 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1342 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1343 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1344 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1345
1346 /* mgmt header + 1 byte category code */
1347 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1348
1349
1350 /* Management MIC information element (IEEE 802.11w) */
1351 struct ieee80211_mmie {
1352         u8 element_id;
1353         u8 length;
1354         __le16 key_id;
1355         u8 sequence_number[6];
1356         u8 mic[8];
1357 } __packed;
1358
1359 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1360 struct ieee80211_mmie_16 {
1361         u8 element_id;
1362         u8 length;
1363         __le16 key_id;
1364         u8 sequence_number[6];
1365         u8 mic[16];
1366 } __packed;
1367
1368 struct ieee80211_vendor_ie {
1369         u8 element_id;
1370         u8 len;
1371         u8 oui[3];
1372         u8 oui_type;
1373 } __packed;
1374
1375 struct ieee80211_wmm_ac_param {
1376         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1377         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1378         __le16 txop_limit;
1379 } __packed;
1380
1381 struct ieee80211_wmm_param_ie {
1382         u8 element_id; /* Element ID: 221 (0xdd); */
1383         u8 len; /* Length: 24 */
1384         /* required fields for WMM version 1 */
1385         u8 oui[3]; /* 00:50:f2 */
1386         u8 oui_type; /* 2 */
1387         u8 oui_subtype; /* 1 */
1388         u8 version; /* 1 for WMM version 1.0 */
1389         u8 qos_info; /* AP/STA specific QoS info */
1390         u8 reserved; /* 0 */
1391         /* AC_BE, AC_BK, AC_VI, AC_VO */
1392         struct ieee80211_wmm_ac_param ac[4];
1393 } __packed;
1394
1395 /* Control frames */
1396 struct ieee80211_rts {
1397         __le16 frame_control;
1398         __le16 duration;
1399         u8 ra[ETH_ALEN];
1400         u8 ta[ETH_ALEN];
1401 } __packed __aligned(2);
1402
1403 struct ieee80211_cts {
1404         __le16 frame_control;
1405         __le16 duration;
1406         u8 ra[ETH_ALEN];
1407 } __packed __aligned(2);
1408
1409 struct ieee80211_pspoll {
1410         __le16 frame_control;
1411         __le16 aid;
1412         u8 bssid[ETH_ALEN];
1413         u8 ta[ETH_ALEN];
1414 } __packed __aligned(2);
1415
1416 /* TDLS */
1417
1418 /* Channel switch timing */
1419 struct ieee80211_ch_switch_timing {
1420         __le16 switch_time;
1421         __le16 switch_timeout;
1422 } __packed;
1423
1424 /* Link-id information element */
1425 struct ieee80211_tdls_lnkie {
1426         u8 ie_type; /* Link Identifier IE */
1427         u8 ie_len;
1428         u8 bssid[ETH_ALEN];
1429         u8 init_sta[ETH_ALEN];
1430         u8 resp_sta[ETH_ALEN];
1431 } __packed;
1432
1433 struct ieee80211_tdls_data {
1434         u8 da[ETH_ALEN];
1435         u8 sa[ETH_ALEN];
1436         __be16 ether_type;
1437         u8 payload_type;
1438         u8 category;
1439         u8 action_code;
1440         union {
1441                 struct {
1442                         u8 dialog_token;
1443                         __le16 capability;
1444                         u8 variable[0];
1445                 } __packed setup_req;
1446                 struct {
1447                         __le16 status_code;
1448                         u8 dialog_token;
1449                         __le16 capability;
1450                         u8 variable[0];
1451                 } __packed setup_resp;
1452                 struct {
1453                         __le16 status_code;
1454                         u8 dialog_token;
1455                         u8 variable[0];
1456                 } __packed setup_cfm;
1457                 struct {
1458                         __le16 reason_code;
1459                         u8 variable[0];
1460                 } __packed teardown;
1461                 struct {
1462                         u8 dialog_token;
1463                         u8 variable[0];
1464                 } __packed discover_req;
1465                 struct {
1466                         u8 target_channel;
1467                         u8 oper_class;
1468                         u8 variable[0];
1469                 } __packed chan_switch_req;
1470                 struct {
1471                         __le16 status_code;
1472                         u8 variable[0];
1473                 } __packed chan_switch_resp;
1474         } u;
1475 } __packed;
1476
1477 /*
1478  * Peer-to-Peer IE attribute related definitions.
1479  */
1480 /**
1481  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1482  */
1483 enum ieee80211_p2p_attr_id {
1484         IEEE80211_P2P_ATTR_STATUS = 0,
1485         IEEE80211_P2P_ATTR_MINOR_REASON,
1486         IEEE80211_P2P_ATTR_CAPABILITY,
1487         IEEE80211_P2P_ATTR_DEVICE_ID,
1488         IEEE80211_P2P_ATTR_GO_INTENT,
1489         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1490         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1491         IEEE80211_P2P_ATTR_GROUP_BSSID,
1492         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1493         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1494         IEEE80211_P2P_ATTR_MANAGABILITY,
1495         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1496         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1497         IEEE80211_P2P_ATTR_DEVICE_INFO,
1498         IEEE80211_P2P_ATTR_GROUP_INFO,
1499         IEEE80211_P2P_ATTR_GROUP_ID,
1500         IEEE80211_P2P_ATTR_INTERFACE,
1501         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1502         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1503         /* 19 - 220: Reserved */
1504         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1505
1506         IEEE80211_P2P_ATTR_MAX
1507 };
1508
1509 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1510 /* Typical max value used here */
1511 #define IEEE80211_P2P_NOA_DESC_MAX      4
1512
1513 struct ieee80211_p2p_noa_desc {
1514         u8 count;
1515         __le32 duration;
1516         __le32 interval;
1517         __le32 start_time;
1518 } __packed;
1519
1520 struct ieee80211_p2p_noa_attr {
1521         u8 index;
1522         u8 oppps_ctwindow;
1523         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1524 } __packed;
1525
1526 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1527 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1528
1529 /**
1530  * struct ieee80211_bar - HT Block Ack Request
1531  *
1532  * This structure refers to "HT BlockAckReq" as
1533  * described in 802.11n draft section 7.2.1.7.1
1534  */
1535 struct ieee80211_bar {
1536         __le16 frame_control;
1537         __le16 duration;
1538         __u8 ra[ETH_ALEN];
1539         __u8 ta[ETH_ALEN];
1540         __le16 control;
1541         __le16 start_seq_num;
1542 } __packed;
1543
1544 /* 802.11 BAR control masks */
1545 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1546 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1547 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1548 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1549 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1550
1551 #define IEEE80211_HT_MCS_MASK_LEN               10
1552
1553 /**
1554  * struct ieee80211_mcs_info - MCS information
1555  * @rx_mask: RX mask
1556  * @rx_highest: highest supported RX rate. If set represents
1557  *      the highest supported RX data rate in units of 1 Mbps.
1558  *      If this field is 0 this value should not be used to
1559  *      consider the highest RX data rate supported.
1560  * @tx_params: TX parameters
1561  */
1562 struct ieee80211_mcs_info {
1563         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1564         __le16 rx_highest;
1565         u8 tx_params;
1566         u8 reserved[3];
1567 } __packed;
1568
1569 /* 802.11n HT capability MSC set */
1570 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1571 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1572 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1573 /* value 0 == 1 stream etc */
1574 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1575 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1576 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1577 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1578
1579 /*
1580  * 802.11n D5.0 20.3.5 / 20.6 says:
1581  * - indices 0 to 7 and 32 are single spatial stream
1582  * - 8 to 31 are multiple spatial streams using equal modulation
1583  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1584  * - remainder are multiple spatial streams using unequal modulation
1585  */
1586 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1587 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1588         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1589
1590 /**
1591  * struct ieee80211_ht_cap - HT capabilities
1592  *
1593  * This structure is the "HT capabilities element" as
1594  * described in 802.11n D5.0 7.3.2.57
1595  */
1596 struct ieee80211_ht_cap {
1597         __le16 cap_info;
1598         u8 ampdu_params_info;
1599
1600         /* 16 bytes MCS information */
1601         struct ieee80211_mcs_info mcs;
1602
1603         __le16 extended_ht_cap_info;
1604         __le32 tx_BF_cap_info;
1605         u8 antenna_selection_info;
1606 } __packed;
1607
1608 /* 802.11n HT capabilities masks (for cap_info) */
1609 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1610 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1611 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1612 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1613 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1614 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1615 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1616 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1617 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1618 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1619 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1620 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1621 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1622 #define IEEE80211_HT_CAP_RESERVED               0x2000
1623 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1624 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1625
1626 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1627 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1628 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1629 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1630 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1631 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1632 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1633 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1634
1635 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1636 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1637 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1638 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1639
1640 /*
1641  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1642  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1643  */
1644 enum ieee80211_max_ampdu_length_exp {
1645         IEEE80211_HT_MAX_AMPDU_8K = 0,
1646         IEEE80211_HT_MAX_AMPDU_16K = 1,
1647         IEEE80211_HT_MAX_AMPDU_32K = 2,
1648         IEEE80211_HT_MAX_AMPDU_64K = 3
1649 };
1650
1651 /*
1652  * Maximum length of AMPDU that the STA can receive in VHT.
1653  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1654  */
1655 enum ieee80211_vht_max_ampdu_length_exp {
1656         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1657         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1658         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1659         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1660         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1661         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1662         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1663         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1664 };
1665
1666 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1667
1668 /* Minimum MPDU start spacing */
1669 enum ieee80211_min_mpdu_spacing {
1670         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1671         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1672         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1673         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1674         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1675         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1676         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1677         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1678 };
1679
1680 /**
1681  * struct ieee80211_ht_operation - HT operation IE
1682  *
1683  * This structure is the "HT operation element" as
1684  * described in 802.11n-2009 7.3.2.57
1685  */
1686 struct ieee80211_ht_operation {
1687         u8 primary_chan;
1688         u8 ht_param;
1689         __le16 operation_mode;
1690         __le16 stbc_param;
1691         u8 basic_set[16];
1692 } __packed;
1693
1694 /* for ht_param */
1695 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1696 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1697 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1698 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1699 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1700 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1701
1702 /* for operation_mode */
1703 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1704 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1705 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1706 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1707 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1708 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1709 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1710 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1711 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1712
1713 /* for stbc_param */
1714 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1715 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1716 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1717 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1718 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1719 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1720
1721
1722 /* block-ack parameters */
1723 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1724 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1725 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1726 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1727 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1728 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1729
1730 /*
1731  * A-MPDU buffer sizes
1732  * According to HT size varies from 8 to 64 frames
1733  * HE adds the ability to have up to 256 frames.
1734  * EHT adds the ability to have up to 1K frames.
1735  */
1736 #define IEEE80211_MIN_AMPDU_BUF         0x8
1737 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1738 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1739 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1740
1741
1742 /* Spatial Multiplexing Power Save Modes (for capability) */
1743 #define WLAN_HT_CAP_SM_PS_STATIC        0
1744 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1745 #define WLAN_HT_CAP_SM_PS_INVALID       2
1746 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1747
1748 /* for SM power control field lower two bits */
1749 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1750 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1751 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1752
1753 /**
1754  * struct ieee80211_vht_mcs_info - VHT MCS information
1755  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1756  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1757  *      STA can receive. Rate expressed in units of 1 Mbps.
1758  *      If this field is 0 this value should not be used to
1759  *      consider the highest RX data rate supported.
1760  *      The top 3 bits of this field indicate the Maximum NSTS,total
1761  *      (a beamformee capability.)
1762  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1763  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1764  *      STA can transmit. Rate expressed in units of 1 Mbps.
1765  *      If this field is 0 this value should not be used to
1766  *      consider the highest TX data rate supported.
1767  *      The top 2 bits of this field are reserved, the
1768  *      3rd bit from the top indiciates VHT Extended NSS BW
1769  *      Capability.
1770  */
1771 struct ieee80211_vht_mcs_info {
1772         __le16 rx_mcs_map;
1773         __le16 rx_highest;
1774         __le16 tx_mcs_map;
1775         __le16 tx_highest;
1776 } __packed;
1777
1778 /* for rx_highest */
1779 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1780 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1781
1782 /* for tx_highest */
1783 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1784
1785 /**
1786  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1787  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1788  *      number of streams
1789  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1790  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1791  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1792  *
1793  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1794  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1795  * both split into 8 subfields by number of streams. These values indicate
1796  * which MCSes are supported for the number of streams the value appears
1797  * for.
1798  */
1799 enum ieee80211_vht_mcs_support {
1800         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1801         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1802         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1803         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1804 };
1805
1806 /**
1807  * struct ieee80211_vht_cap - VHT capabilities
1808  *
1809  * This structure is the "VHT capabilities element" as
1810  * described in 802.11ac D3.0 8.4.2.160
1811  * @vht_cap_info: VHT capability info
1812  * @supp_mcs: VHT MCS supported rates
1813  */
1814 struct ieee80211_vht_cap {
1815         __le32 vht_cap_info;
1816         struct ieee80211_vht_mcs_info supp_mcs;
1817 } __packed;
1818
1819 /**
1820  * enum ieee80211_vht_chanwidth - VHT channel width
1821  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1822  *      determine the channel width (20 or 40 MHz)
1823  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1824  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1825  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1826  */
1827 enum ieee80211_vht_chanwidth {
1828         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1829         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1830         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1831         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1832 };
1833
1834 /**
1835  * struct ieee80211_vht_operation - VHT operation IE
1836  *
1837  * This structure is the "VHT operation element" as
1838  * described in 802.11ac D3.0 8.4.2.161
1839  * @chan_width: Operating channel width
1840  * @center_freq_seg0_idx: center freq segment 0 index
1841  * @center_freq_seg1_idx: center freq segment 1 index
1842  * @basic_mcs_set: VHT Basic MCS rate set
1843  */
1844 struct ieee80211_vht_operation {
1845         u8 chan_width;
1846         u8 center_freq_seg0_idx;
1847         u8 center_freq_seg1_idx;
1848         __le16 basic_mcs_set;
1849 } __packed;
1850
1851 /**
1852  * struct ieee80211_he_cap_elem - HE capabilities element
1853  *
1854  * This structure is the "HE capabilities element" fixed fields as
1855  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1856  */
1857 struct ieee80211_he_cap_elem {
1858         u8 mac_cap_info[6];
1859         u8 phy_cap_info[11];
1860 } __packed;
1861
1862 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1863
1864 /**
1865  * enum ieee80211_he_mcs_support - HE MCS support definitions
1866  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1867  *      number of streams
1868  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1869  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1870  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1871  *
1872  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1873  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1874  * both split into 8 subfields by number of streams. These values indicate
1875  * which MCSes are supported for the number of streams the value appears
1876  * for.
1877  */
1878 enum ieee80211_he_mcs_support {
1879         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1880         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1881         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1882         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1883 };
1884
1885 /**
1886  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1887  *
1888  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1889  * described in P802.11ax_D2.0 section 9.4.2.237.4
1890  *
1891  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1892  *     widths less than 80MHz.
1893  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1894  *     widths less than 80MHz.
1895  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1896  *     width 160MHz.
1897  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1898  *     width 160MHz.
1899  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1900  *     channel width 80p80MHz.
1901  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1902  *     channel width 80p80MHz.
1903  */
1904 struct ieee80211_he_mcs_nss_supp {
1905         __le16 rx_mcs_80;
1906         __le16 tx_mcs_80;
1907         __le16 rx_mcs_160;
1908         __le16 tx_mcs_160;
1909         __le16 rx_mcs_80p80;
1910         __le16 tx_mcs_80p80;
1911 } __packed;
1912
1913 /**
1914  * struct ieee80211_he_operation - HE capabilities element
1915  *
1916  * This structure is the "HE operation element" fields as
1917  * described in P802.11ax_D4.0 section 9.4.2.243
1918  */
1919 struct ieee80211_he_operation {
1920         __le32 he_oper_params;
1921         __le16 he_mcs_nss_set;
1922         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1923         u8 optional[];
1924 } __packed;
1925
1926 /**
1927  * struct ieee80211_he_spr - HE spatial reuse element
1928  *
1929  * This structure is the "HE spatial reuse element" element as
1930  * described in P802.11ax_D4.0 section 9.4.2.241
1931  */
1932 struct ieee80211_he_spr {
1933         u8 he_sr_control;
1934         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1935         u8 optional[];
1936 } __packed;
1937
1938 /**
1939  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1940  *
1941  * This structure is the "MU AC Parameter Record" fields as
1942  * described in P802.11ax_D4.0 section 9.4.2.245
1943  */
1944 struct ieee80211_he_mu_edca_param_ac_rec {
1945         u8 aifsn;
1946         u8 ecw_min_max;
1947         u8 mu_edca_timer;
1948 } __packed;
1949
1950 /**
1951  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1952  *
1953  * This structure is the "MU EDCA Parameter Set element" fields as
1954  * described in P802.11ax_D4.0 section 9.4.2.245
1955  */
1956 struct ieee80211_mu_edca_param_set {
1957         u8 mu_qos_info;
1958         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1959         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1960         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1961         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1962 } __packed;
1963
1964 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1965 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1966
1967 /**
1968  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1969  * supported NSS for per MCS.
1970  *
1971  * For each field below, bits 0 - 3 indicate the maximal number of spatial
1972  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1973  * for Tx.
1974  *
1975  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1976  *     supported for reception and the maximum number of spatial streams
1977  *     supported for transmission for MCS 0 - 7.
1978  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1979  *     supported for reception and the maximum number of spatial streams
1980  *     supported for transmission for MCS 8 - 9.
1981  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
1982  *     supported for reception and the maximum number of spatial streams
1983  *     supported for transmission for MCS 10 - 11.
1984  * @rx_tx_mcs13_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 12 - 13.
1987  */
1988 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
1989         u8 rx_tx_mcs7_max_nss;
1990         u8 rx_tx_mcs9_max_nss;
1991         u8 rx_tx_mcs11_max_nss;
1992         u8 rx_tx_mcs13_max_nss;
1993 };
1994
1995 /**
1996  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
1997  * 20MHz only stations).
1998  *
1999  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2000  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2001  * for Tx.
2002  *
2003  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2004  *     supported for reception and the maximum number of spatial streams
2005  *     supported for transmission for MCS 0 - 9.
2006  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2007  *     supported for reception and the maximum number of spatial streams
2008  *     supported for transmission for MCS 10 - 11.
2009  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2010  *     supported for reception and the maximum number of spatial streams
2011  *     supported for transmission for MCS 12 - 13.
2012  */
2013 struct ieee80211_eht_mcs_nss_supp_bw {
2014         u8 rx_tx_mcs9_max_nss;
2015         u8 rx_tx_mcs11_max_nss;
2016         u8 rx_tx_mcs13_max_nss;
2017 };
2018
2019 /**
2020  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2021  *
2022  * This structure is the "EHT Capabilities element" fixed fields as
2023  * described in P802.11be_D1.4 section 9.4.2.313.
2024  *
2025  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2026  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2027  */
2028 struct ieee80211_eht_cap_elem_fixed {
2029         u8 mac_cap_info[2];
2030         u8 phy_cap_info[9];
2031 } __packed;
2032
2033 /**
2034  * struct ieee80211_eht_cap_elem - EHT capabilities element
2035  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2036  * @optional: optional parts
2037  */
2038 struct ieee80211_eht_cap_elem {
2039         struct ieee80211_eht_cap_elem_fixed fixed;
2040
2041         /*
2042          * Followed by:
2043          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2044          * EHT PPE Thresholds field: variable length.
2045          */
2046         u8 optional[];
2047 } __packed;
2048
2049 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x1
2050 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x2
2051
2052 /**
2053  * struct ieee80211_eht_operation - eht operation element
2054  *
2055  * This structure is the "EHT Operation Element" fields as
2056  * described in P802.11be_D1.5 section 9.4.2.311
2057  *
2058  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2059  * @optional: optional parts
2060  */
2061 struct ieee80211_eht_operation {
2062         u8 params;
2063         u8 optional[];
2064 } __packed;
2065
2066 /**
2067  * struct ieee80211_eht_operation_info - eht operation information
2068  *
2069  * @control: EHT operation information control.
2070  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2071  *     EHT BSS.
2072  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2073  * @optional: optional parts
2074  */
2075 struct ieee80211_eht_operation_info {
2076         u8 control;
2077         u8 ccfs0;
2078         u8 ccfs1;
2079         u8 optional[];
2080 } __packed;
2081
2082 /* 802.11ac VHT Capabilities */
2083 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2084 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2085 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2086 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2087 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2088 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2089 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2090 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2091 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2092 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2093 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2094 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2095 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2096 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2097 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2098 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2099 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2100 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2101 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2102 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2103 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2104 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2105                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2106 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2107 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2108                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2109 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2110 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2111 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2112 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2113 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2114 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2115                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2116 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2117 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2118 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2119 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2120 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2121 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2122
2123 /**
2124  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2125  * @cap: VHT capabilities of the peer
2126  * @bw: bandwidth to use
2127  * @mcs: MCS index to use
2128  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2129  *      (rate scaling algorithm) can deal with the new logic
2130  *      (dot11VHTExtendedNSSBWCapable)
2131  * @max_vht_nss: current maximum NSS as advertised by the STA in
2132  *      operating mode notification, can be 0 in which case the
2133  *      capability data will be used to derive this (from MCS support)
2134  *
2135  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2136  * vary for a given BW/MCS. This function parses the data.
2137  *
2138  * Note: This function is exported by cfg80211.
2139  */
2140 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2141                               enum ieee80211_vht_chanwidth bw,
2142                               int mcs, bool ext_nss_bw_capable,
2143                               unsigned int max_vht_nss);
2144
2145 /**
2146  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2147  *
2148  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2149  * @IEEE80211_REG_LPI: Indoor Access Point
2150  * @IEEE80211_REG_SP: Standard power Access Point
2151  * @IEEE80211_REG_VLP: Very low power Access Point
2152  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2153  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2154  */
2155 enum ieee80211_ap_reg_power {
2156         IEEE80211_REG_UNSET_AP,
2157         IEEE80211_REG_LPI_AP,
2158         IEEE80211_REG_SP_AP,
2159         IEEE80211_REG_VLP_AP,
2160         IEEE80211_REG_AP_POWER_AFTER_LAST,
2161         IEEE80211_REG_AP_POWER_MAX =
2162                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2163 };
2164
2165 /**
2166  * enum ieee80211_client_reg_power - regulatory power for a client
2167  *
2168  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2169  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2170  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2171  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2172  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2173  */
2174 enum ieee80211_client_reg_power {
2175         IEEE80211_REG_UNSET_CLIENT,
2176         IEEE80211_REG_DEFAULT_CLIENT,
2177         IEEE80211_REG_SUBORDINATE_CLIENT,
2178         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2179         IEEE80211_REG_CLIENT_POWER_MAX =
2180                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2181 };
2182
2183 /* 802.11ax HE MAC capabilities */
2184 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2185 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2186 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2187 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2188 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2189 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2190 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2191 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2192 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2193 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2194 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2195 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2196 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2197 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2198 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2199 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2200 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2201
2202 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2203 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2204 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2205 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2206 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2207 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2208 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2209 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2210 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2211 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2212 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2213 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2214 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2215 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2216 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2217 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2218 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2219 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2220
2221 /* Link adaptation is split between byte HE_MAC_CAP1 and
2222  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2223  * in which case the following values apply:
2224  * 0 = No feedback.
2225  * 1 = reserved.
2226  * 2 = Unsolicited feedback.
2227  * 3 = both
2228  */
2229 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2230
2231 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2232 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2233 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2234 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2235 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2236 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2237 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2238 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2239
2240 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2241 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2242
2243 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2244  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2245  * same field in the HE capabilities.
2246  */
2247 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2248 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2249 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2250 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2251 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2252 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2253 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2254 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2255
2256 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2257 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2258 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2259 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2260 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2261 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2262 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2263 /* Multi TID agg TX is split between byte #4 and #5
2264  * The value is a combination of B39,B40,B41
2265  */
2266 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2267
2268 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2269 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2270 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2271 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2272 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2273 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2274 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2275 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2276
2277 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2278 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2279 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2280
2281 /* 802.11ax HE PHY capabilities */
2282 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2283 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2284 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2285 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2286 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2287
2288 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2289 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2290 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2291
2292 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2293 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2294 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2295 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2296 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2297 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2298 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2299 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2300 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2301 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2302
2303 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2304 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2305 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2306 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2307 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2308 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2309
2310 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2311  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2312  * case it indicates support for Tx.
2313  */
2314 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2315 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2316
2317 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2318 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2319 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2320 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2321 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2322 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2323 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2324 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2325 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2326 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2327 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2328 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2329 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2330 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2331 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2332 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2333
2334 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2335 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2336
2337 /* Minimal allowed value of Max STS under 80MHz is 3 */
2338 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2339 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2340 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2341 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2342 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2343 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2344
2345 /* Minimal allowed value of Max STS above 80MHz is 3 */
2346 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2347 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2348 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2349 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2350 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2351 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2352
2353 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2354 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2355 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2356 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2357 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2358 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2359 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2360 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2361 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2362
2363 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2364 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2365 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2366 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2367 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2368 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2369 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2370 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2371 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2372
2373 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2374 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2375
2376 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2377 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2378 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2379 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2380 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2381 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2382 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2383 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2384
2385 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2386 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2387 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2388 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2389 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2390 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2391 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2392 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2393 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2394 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2395 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2396 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2397 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2398
2399 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2400 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2401 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2402 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2403 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2404 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2405 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2406 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2407 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2408 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2409 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2410
2411 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2412 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2413 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2414 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2415 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2416 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2417 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2418 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2419 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2420 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2421 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2422 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2423
2424 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2425
2426 /* 802.11ax HE TX/RX MCS NSS Support  */
2427 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2428 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2429 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2430 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2431 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2432
2433 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2434 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2435         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2436         HIGHEST_MCS_SUPPORTED_MCS8,
2437         HIGHEST_MCS_SUPPORTED_MCS9,
2438         HIGHEST_MCS_SUPPORTED_MCS10,
2439         HIGHEST_MCS_SUPPORTED_MCS11,
2440 };
2441
2442 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2443 static inline u8
2444 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2445 {
2446         u8 count = 4;
2447
2448         if (he_cap->phy_cap_info[0] &
2449             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2450                 count += 4;
2451
2452         if (he_cap->phy_cap_info[0] &
2453             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2454                 count += 4;
2455
2456         return count;
2457 }
2458
2459 /* 802.11ax HE PPE Thresholds */
2460 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2461 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2462 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2463 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2464         (BIT(5) | BIT(6))
2465 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2466 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2467 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2468 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2469
2470 /*
2471  * Calculate 802.11ax HE capabilities IE PPE field size
2472  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2473  */
2474 static inline u8
2475 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2476 {
2477         u8 n;
2478
2479         if ((phy_cap_info[6] &
2480              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2481                 return 0;
2482
2483         n = hweight8(ppe_thres_hdr &
2484                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2485         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2486                    IEEE80211_PPE_THRES_NSS_POS));
2487
2488         /*
2489          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2490          * total size.
2491          */
2492         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2493         n = DIV_ROUND_UP(n, 8);
2494
2495         return n;
2496 }
2497
2498 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2499 {
2500         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2501         u8 needed = sizeof(*he_cap_ie_elem);
2502
2503         if (len < needed)
2504                 return false;
2505
2506         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2507         if (len < needed)
2508                 return false;
2509
2510         if (he_cap_ie_elem->phy_cap_info[6] &
2511                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2512                 if (len < needed + 1)
2513                         return false;
2514                 needed += ieee80211_he_ppe_size(data[needed],
2515                                                 he_cap_ie_elem->phy_cap_info);
2516         }
2517
2518         return len >= needed;
2519 }
2520
2521 /* HE Operation defines */
2522 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2523 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2524 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2525 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2526 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2527 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2528 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2529 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2530 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2531 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2532 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2533 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2534
2535 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2536 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2537
2538 /**
2539  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2540  * @primary: primary channel
2541  * @control: control flags
2542  * @ccfs0: channel center frequency segment 0
2543  * @ccfs1: channel center frequency segment 1
2544  * @minrate: minimum rate (in 1 Mbps units)
2545  */
2546 struct ieee80211_he_6ghz_oper {
2547         u8 primary;
2548 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2549 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2550 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2551 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2552 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2553 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2554 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2555         u8 control;
2556         u8 ccfs0;
2557         u8 ccfs1;
2558         u8 minrate;
2559 } __packed;
2560
2561 /*
2562  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2563  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2564  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2565  * Info subfield encoding in the United States".
2566  * So it it totally max 8 Transmit Power Envelope element.
2567  */
2568 #define IEEE80211_TPE_MAX_IE_COUNT      8
2569 /*
2570  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2571  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2572  */
2573 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2574
2575 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2576
2577 /* transmit power interpretation type of transmit power envelope element */
2578 enum ieee80211_tx_power_intrpt_type {
2579         IEEE80211_TPE_LOCAL_EIRP,
2580         IEEE80211_TPE_LOCAL_EIRP_PSD,
2581         IEEE80211_TPE_REG_CLIENT_EIRP,
2582         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2583 };
2584
2585 /**
2586  * struct ieee80211_tx_pwr_env
2587  *
2588  * This structure represents the "Transmit Power Envelope element"
2589  */
2590 struct ieee80211_tx_pwr_env {
2591         u8 tx_power_info;
2592         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2593 } __packed;
2594
2595 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2596 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2597 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2598
2599 /*
2600  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2601  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2602  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2603  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2604  *      validated this.
2605  * @return the actual size of the IE data (not including header), or 0 on error
2606  */
2607 static inline u8
2608 ieee80211_he_oper_size(const u8 *he_oper_ie)
2609 {
2610         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2611         u8 oper_len = sizeof(struct ieee80211_he_operation);
2612         u32 he_oper_params;
2613
2614         /* Make sure the input is not NULL */
2615         if (!he_oper_ie)
2616                 return 0;
2617
2618         /* Calc required length */
2619         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2620         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2621                 oper_len += 3;
2622         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2623                 oper_len++;
2624         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2625                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2626
2627         /* Add the first byte (extension ID) to the total length */
2628         oper_len++;
2629
2630         return oper_len;
2631 }
2632
2633 /**
2634  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2635  * @he_oper: HE operation element (must be pre-validated for size)
2636  *      but may be %NULL
2637  *
2638  * Return: a pointer to the 6 GHz operation field, or %NULL
2639  */
2640 static inline const struct ieee80211_he_6ghz_oper *
2641 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2642 {
2643         const u8 *ret = (const void *)&he_oper->optional;
2644         u32 he_oper_params;
2645
2646         if (!he_oper)
2647                 return NULL;
2648
2649         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2650
2651         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2652                 return NULL;
2653         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2654                 ret += 3;
2655         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2656                 ret++;
2657
2658         return (const void *)ret;
2659 }
2660
2661 /* HE Spatial Reuse defines */
2662 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2663 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2664 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2665 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2666 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2667
2668 /*
2669  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2670  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2671  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2672  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2673  *      this
2674  * @return the actual size of the IE data (not including header), or 0 on error
2675  */
2676 static inline u8
2677 ieee80211_he_spr_size(const u8 *he_spr_ie)
2678 {
2679         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2680         u8 spr_len = sizeof(struct ieee80211_he_spr);
2681         u8 he_spr_params;
2682
2683         /* Make sure the input is not NULL */
2684         if (!he_spr_ie)
2685                 return 0;
2686
2687         /* Calc required length */
2688         he_spr_params = he_spr->he_sr_control;
2689         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2690                 spr_len++;
2691         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2692                 spr_len += 18;
2693
2694         /* Add the first byte (extension ID) to the total length */
2695         spr_len++;
2696
2697         return spr_len;
2698 }
2699
2700 /* S1G Capabilities Information field */
2701 #define IEEE80211_S1G_CAPABILITY_LEN    15
2702
2703 #define S1G_CAP0_S1G_LONG       BIT(0)
2704 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2705 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2706 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2707 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2708 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2709 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2710
2711 #define S1G_SUPP_CH_WIDTH_2     0
2712 #define S1G_SUPP_CH_WIDTH_4     1
2713 #define S1G_SUPP_CH_WIDTH_8     2
2714 #define S1G_SUPP_CH_WIDTH_16    3
2715 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2716                                                     cap[0])) << 1)
2717
2718 #define S1G_CAP1_RX_LDPC        BIT(0)
2719 #define S1G_CAP1_TX_STBC        BIT(1)
2720 #define S1G_CAP1_RX_STBC        BIT(2)
2721 #define S1G_CAP1_SU_BFER        BIT(3)
2722 #define S1G_CAP1_SU_BFEE        BIT(4)
2723 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2724
2725 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2726 #define S1G_CAP2_MU_BFER                BIT(3)
2727 #define S1G_CAP2_MU_BFEE                BIT(4)
2728 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2729 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2730
2731 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2732 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2733 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2734 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2735 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2736
2737 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2738 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2739 #define S1G_CAP4_BAT            BIT(2)
2740 #define S1G_CAP4_TIME_ADE       BIT(3)
2741 #define S1G_CAP4_NON_TIM        BIT(4)
2742 #define S1G_CAP4_GROUP_AID      BIT(5)
2743 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2744
2745 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2746 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2747 #define S1G_CAP5_AMSDU                  BIT(2)
2748 #define S1G_CAP5_AMPDU                  BIT(3)
2749 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2750 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2751 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2752
2753 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2754 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2755 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2756 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2757 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2758 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2759 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2760
2761 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2762 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2763 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2764 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2765 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2766 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2767 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2768 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2769
2770 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2771 #define S1G_CAP8_BDT            BIT(1)
2772 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2773 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2774 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2775 #define S1G_CAP8_PV1_FRAME      BIT(7)
2776
2777 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2778
2779 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2780 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2781
2782 /* EHT MAC capabilities as defined in P802.11be_D1.4 section 9.4.2.313.2 */
2783 #define IEEE80211_EHT_MAC_CAP0_NSEP_PRIO_ACCESS                 0x01
2784 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2785 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2786 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2787 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2788 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2789 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2790 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2791 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2792 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2793
2794 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2795
2796 /* EHT PHY capabilities as defined in P802.11be_D1.4 section 9.4.2.313.3 */
2797 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2798 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2799 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2800 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2801 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2802 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2803
2804 /* EHT beamformee number of spatial streams <= 80MHz is split */
2805 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2806 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2807
2808 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2809 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2810
2811 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2812 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2813
2814 /* EHT number of sounding dimensions for 320MHz is split */
2815 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2816 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2817 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2818 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2819 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2820 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2821 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2822 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2823 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2824
2825 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2826 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2827 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2828 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2829 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2830
2831 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2832 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2833 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2834 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2835 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2836 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2837 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2838 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2839 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2840
2841 /* Maximum number of supported EHT LTF is split */
2842 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2843 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2844
2845 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2846 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2847
2848 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2849 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2850 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2851 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2852 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2853 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2854 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2855 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2856
2857 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2858 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2859
2860 /*
2861  * EHT operation channel width as defined in P802.11be_D1.4 section 9.4.2.311
2862  */
2863 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2864 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2865 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2866 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2867 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2868 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2869
2870 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2871 static inline u8
2872 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2873                            const struct ieee80211_eht_cap_elem_fixed *eht_cap)
2874 {
2875         u8 count = 0;
2876
2877         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2878         if (he_cap->phy_cap_info[0] &
2879             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2880                 return 3;
2881
2882         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2883         if (he_cap->phy_cap_info[0] &
2884             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2885                 count += 3;
2886
2887         if (he_cap->phy_cap_info[0] &
2888             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2889                 count += 3;
2890
2891         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2892                 count += 3;
2893
2894         return count ? count : 4;
2895 }
2896
2897 /* 802.11be EHT PPE Thresholds */
2898 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2899 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2900 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2901 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2902 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2903
2904 /*
2905  * Calculate 802.11be EHT capabilities IE EHT field size
2906  */
2907 static inline u8
2908 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2909 {
2910         u32 n;
2911
2912         if (!(phy_cap_info[5] &
2913               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2914                 return 0;
2915
2916         n = hweight16(ppe_thres_hdr &
2917                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2918         n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2919
2920         /*
2921          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2922          * total size.
2923          */
2924         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2925             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2926         return DIV_ROUND_UP(n, 8);
2927 }
2928
2929 static inline bool
2930 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len)
2931 {
2932         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2933         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2934
2935         if (len < needed || !he_capa)
2936                 return false;
2937
2938         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2939                                              (const void *)data);
2940         if (len < needed)
2941                 return false;
2942
2943         if (elem->phy_cap_info[5] &
2944                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2945                 u16 ppe_thres_hdr;
2946
2947                 if (len < needed + sizeof(ppe_thres_hdr))
2948                         return false;
2949
2950                 ppe_thres_hdr = get_unaligned_le16(data + needed);
2951                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2952                                                  elem->phy_cap_info);
2953         }
2954
2955         return len >= needed;
2956 }
2957
2958 static inline bool
2959 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2960 {
2961         const struct ieee80211_eht_operation *elem = (const void *)data;
2962         u8 needed = sizeof(*elem);
2963
2964         if (len < needed)
2965                 return false;
2966
2967         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
2968                 needed += 3;
2969
2970                 if (elem->params &
2971                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
2972                         needed += 2;
2973         }
2974
2975         return len >= needed;
2976 }
2977
2978 #define LISTEN_INT_USF  GENMASK(15, 14)
2979 #define LISTEN_INT_UI   GENMASK(13, 0)
2980
2981 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
2982 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
2983
2984 /* Authentication algorithms */
2985 #define WLAN_AUTH_OPEN 0
2986 #define WLAN_AUTH_SHARED_KEY 1
2987 #define WLAN_AUTH_FT 2
2988 #define WLAN_AUTH_SAE 3
2989 #define WLAN_AUTH_FILS_SK 4
2990 #define WLAN_AUTH_FILS_SK_PFS 5
2991 #define WLAN_AUTH_FILS_PK 6
2992 #define WLAN_AUTH_LEAP 128
2993
2994 #define WLAN_AUTH_CHALLENGE_LEN 128
2995
2996 #define WLAN_CAPABILITY_ESS             (1<<0)
2997 #define WLAN_CAPABILITY_IBSS            (1<<1)
2998
2999 /*
3000  * A mesh STA sets the ESS and IBSS capability bits to zero.
3001  * however, this holds true for p2p probe responses (in the p2p_find
3002  * phase) as well.
3003  */
3004 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3005         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3006
3007 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3008 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3009 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3010 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3011 #define WLAN_CAPABILITY_PBCC            (1<<6)
3012 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3013
3014 /* 802.11h */
3015 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3016 #define WLAN_CAPABILITY_QOS             (1<<9)
3017 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3018 #define WLAN_CAPABILITY_APSD            (1<<11)
3019 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3020 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3021 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3022 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3023
3024 /* DMG (60gHz) 802.11ad */
3025 /* type - bits 0..1 */
3026 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3027 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3028 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3029 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3030
3031 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3032 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3033 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3034 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3035
3036 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3037 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3038
3039 /* measurement */
3040 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3041 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3042 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3043
3044 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3045 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3046 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3047 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3048 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3049
3050 /* 802.11g ERP information element */
3051 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3052 #define WLAN_ERP_USE_PROTECTION (1<<1)
3053 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3054
3055 /* WLAN_ERP_BARKER_PREAMBLE values */
3056 enum {
3057         WLAN_ERP_PREAMBLE_SHORT = 0,
3058         WLAN_ERP_PREAMBLE_LONG = 1,
3059 };
3060
3061 /* Band ID, 802.11ad #8.4.1.45 */
3062 enum {
3063         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3064         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3065         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3066         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3067         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3068         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3069 };
3070
3071 /* Status codes */
3072 enum ieee80211_statuscode {
3073         WLAN_STATUS_SUCCESS = 0,
3074         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3075         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3076         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3077         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3078         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3079         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3080         WLAN_STATUS_CHALLENGE_FAIL = 15,
3081         WLAN_STATUS_AUTH_TIMEOUT = 16,
3082         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3083         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3084         /* 802.11b */
3085         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3086         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3087         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3088         /* 802.11h */
3089         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3090         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3091         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3092         /* 802.11g */
3093         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3094         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3095         /* 802.11w */
3096         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3097         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3098         /* 802.11i */
3099         WLAN_STATUS_INVALID_IE = 40,
3100         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3101         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3102         WLAN_STATUS_INVALID_AKMP = 43,
3103         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3104         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3105         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3106         /* 802.11e */
3107         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3108         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3109         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3110         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3111         WLAN_STATUS_REQUEST_DECLINED = 37,
3112         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3113         WLAN_STATUS_CHANGE_TSPEC = 39,
3114         WLAN_STATUS_WAIT_TS_DELAY = 47,
3115         WLAN_STATUS_NO_DIRECT_LINK = 48,
3116         WLAN_STATUS_STA_NOT_PRESENT = 49,
3117         WLAN_STATUS_STA_NOT_QSTA = 50,
3118         /* 802.11s */
3119         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3120         WLAN_STATUS_FCG_NOT_SUPP = 78,
3121         WLAN_STATUS_STA_NO_TBTT = 78,
3122         /* 802.11ad */
3123         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3124         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3125         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3126         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3127         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3128         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3129         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3130         WLAN_STATUS_REJECT_DSE_BAND = 96,
3131         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3132         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3133         /* 802.11ai */
3134         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3135         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3136         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3137         WLAN_STATUS_SAE_PK = 127,
3138 };
3139
3140
3141 /* Reason codes */
3142 enum ieee80211_reasoncode {
3143         WLAN_REASON_UNSPECIFIED = 1,
3144         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3145         WLAN_REASON_DEAUTH_LEAVING = 3,
3146         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3147         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3148         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3149         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3150         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3151         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3152         /* 802.11h */
3153         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3154         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3155         /* 802.11i */
3156         WLAN_REASON_INVALID_IE = 13,
3157         WLAN_REASON_MIC_FAILURE = 14,
3158         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3159         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3160         WLAN_REASON_IE_DIFFERENT = 17,
3161         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3162         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3163         WLAN_REASON_INVALID_AKMP = 20,
3164         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3165         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3166         WLAN_REASON_IEEE8021X_FAILED = 23,
3167         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3168         /* TDLS (802.11z) */
3169         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3170         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3171         /* 802.11e */
3172         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3173         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3174         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3175         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3176         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3177         WLAN_REASON_QSTA_NOT_USE = 37,
3178         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3179         WLAN_REASON_QSTA_TIMEOUT = 39,
3180         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3181         /* 802.11s */
3182         WLAN_REASON_MESH_PEER_CANCELED = 52,
3183         WLAN_REASON_MESH_MAX_PEERS = 53,
3184         WLAN_REASON_MESH_CONFIG = 54,
3185         WLAN_REASON_MESH_CLOSE = 55,
3186         WLAN_REASON_MESH_MAX_RETRIES = 56,
3187         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3188         WLAN_REASON_MESH_INVALID_GTK = 58,
3189         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3190         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3191         WLAN_REASON_MESH_PATH_ERROR = 61,
3192         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3193         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3194         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3195         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3196         WLAN_REASON_MESH_CHAN = 66,
3197 };
3198
3199
3200 /* Information Element IDs */
3201 enum ieee80211_eid {
3202         WLAN_EID_SSID = 0,
3203         WLAN_EID_SUPP_RATES = 1,
3204         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3205         WLAN_EID_DS_PARAMS = 3,
3206         WLAN_EID_CF_PARAMS = 4,
3207         WLAN_EID_TIM = 5,
3208         WLAN_EID_IBSS_PARAMS = 6,
3209         WLAN_EID_COUNTRY = 7,
3210         /* 8, 9 reserved */
3211         WLAN_EID_REQUEST = 10,
3212         WLAN_EID_QBSS_LOAD = 11,
3213         WLAN_EID_EDCA_PARAM_SET = 12,
3214         WLAN_EID_TSPEC = 13,
3215         WLAN_EID_TCLAS = 14,
3216         WLAN_EID_SCHEDULE = 15,
3217         WLAN_EID_CHALLENGE = 16,
3218         /* 17-31 reserved for challenge text extension */
3219         WLAN_EID_PWR_CONSTRAINT = 32,
3220         WLAN_EID_PWR_CAPABILITY = 33,
3221         WLAN_EID_TPC_REQUEST = 34,
3222         WLAN_EID_TPC_REPORT = 35,
3223         WLAN_EID_SUPPORTED_CHANNELS = 36,
3224         WLAN_EID_CHANNEL_SWITCH = 37,
3225         WLAN_EID_MEASURE_REQUEST = 38,
3226         WLAN_EID_MEASURE_REPORT = 39,
3227         WLAN_EID_QUIET = 40,
3228         WLAN_EID_IBSS_DFS = 41,
3229         WLAN_EID_ERP_INFO = 42,
3230         WLAN_EID_TS_DELAY = 43,
3231         WLAN_EID_TCLAS_PROCESSING = 44,
3232         WLAN_EID_HT_CAPABILITY = 45,
3233         WLAN_EID_QOS_CAPA = 46,
3234         /* 47 reserved for Broadcom */
3235         WLAN_EID_RSN = 48,
3236         WLAN_EID_802_15_COEX = 49,
3237         WLAN_EID_EXT_SUPP_RATES = 50,
3238         WLAN_EID_AP_CHAN_REPORT = 51,
3239         WLAN_EID_NEIGHBOR_REPORT = 52,
3240         WLAN_EID_RCPI = 53,
3241         WLAN_EID_MOBILITY_DOMAIN = 54,
3242         WLAN_EID_FAST_BSS_TRANSITION = 55,
3243         WLAN_EID_TIMEOUT_INTERVAL = 56,
3244         WLAN_EID_RIC_DATA = 57,
3245         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3246         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3247         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3248         WLAN_EID_HT_OPERATION = 61,
3249         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3250         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3251         WLAN_EID_ANTENNA_INFO = 64,
3252         WLAN_EID_RSNI = 65,
3253         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3254         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3255         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3256         WLAN_EID_TIME_ADVERTISEMENT = 69,
3257         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3258         WLAN_EID_MULTIPLE_BSSID = 71,
3259         WLAN_EID_BSS_COEX_2040 = 72,
3260         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3261         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3262         WLAN_EID_RIC_DESCRIPTOR = 75,
3263         WLAN_EID_MMIE = 76,
3264         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3265         WLAN_EID_EVENT_REQUEST = 78,
3266         WLAN_EID_EVENT_REPORT = 79,
3267         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3268         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3269         WLAN_EID_LOCATION_PARAMS = 82,
3270         WLAN_EID_NON_TX_BSSID_CAP =  83,
3271         WLAN_EID_SSID_LIST = 84,
3272         WLAN_EID_MULTI_BSSID_IDX = 85,
3273         WLAN_EID_FMS_DESCRIPTOR = 86,
3274         WLAN_EID_FMS_REQUEST = 87,
3275         WLAN_EID_FMS_RESPONSE = 88,
3276         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3277         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3278         WLAN_EID_TSF_REQUEST = 91,
3279         WLAN_EID_TSF_RESPOSNE = 92,
3280         WLAN_EID_WNM_SLEEP_MODE = 93,
3281         WLAN_EID_TIM_BCAST_REQ = 94,
3282         WLAN_EID_TIM_BCAST_RESP = 95,
3283         WLAN_EID_COLL_IF_REPORT = 96,
3284         WLAN_EID_CHANNEL_USAGE = 97,
3285         WLAN_EID_TIME_ZONE = 98,
3286         WLAN_EID_DMS_REQUEST = 99,
3287         WLAN_EID_DMS_RESPONSE = 100,
3288         WLAN_EID_LINK_ID = 101,
3289         WLAN_EID_WAKEUP_SCHEDUL = 102,
3290         /* 103 reserved */
3291         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3292         WLAN_EID_PTI_CONTROL = 105,
3293         WLAN_EID_PU_BUFFER_STATUS = 106,
3294         WLAN_EID_INTERWORKING = 107,
3295         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3296         WLAN_EID_EXPEDITED_BW_REQ = 109,
3297         WLAN_EID_QOS_MAP_SET = 110,
3298         WLAN_EID_ROAMING_CONSORTIUM = 111,
3299         WLAN_EID_EMERGENCY_ALERT = 112,
3300         WLAN_EID_MESH_CONFIG = 113,
3301         WLAN_EID_MESH_ID = 114,
3302         WLAN_EID_LINK_METRIC_REPORT = 115,
3303         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3304         WLAN_EID_PEER_MGMT = 117,
3305         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3306         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3307         WLAN_EID_BEACON_TIMING = 120,
3308         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3309         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3310         WLAN_EID_MCCAOP_ADVERT = 123,
3311         WLAN_EID_MCCAOP_TEARDOWN = 124,
3312         WLAN_EID_GANN = 125,
3313         WLAN_EID_RANN = 126,
3314         WLAN_EID_EXT_CAPABILITY = 127,
3315         /* 128, 129 reserved for Agere */
3316         WLAN_EID_PREQ = 130,
3317         WLAN_EID_PREP = 131,
3318         WLAN_EID_PERR = 132,
3319         /* 133-136 reserved for Cisco */
3320         WLAN_EID_PXU = 137,
3321         WLAN_EID_PXUC = 138,
3322         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3323         WLAN_EID_MIC = 140,
3324         WLAN_EID_DESTINATION_URI = 141,
3325         WLAN_EID_UAPSD_COEX = 142,
3326         WLAN_EID_WAKEUP_SCHEDULE = 143,
3327         WLAN_EID_EXT_SCHEDULE = 144,
3328         WLAN_EID_STA_AVAILABILITY = 145,
3329         WLAN_EID_DMG_TSPEC = 146,
3330         WLAN_EID_DMG_AT = 147,
3331         WLAN_EID_DMG_CAP = 148,
3332         /* 149 reserved for Cisco */
3333         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3334         WLAN_EID_DMG_OPERATION = 151,
3335         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3336         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3337         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3338         /* 155-156 reserved for Cisco */
3339         WLAN_EID_AWAKE_WINDOW = 157,
3340         WLAN_EID_MULTI_BAND = 158,
3341         WLAN_EID_ADDBA_EXT = 159,
3342         WLAN_EID_NEXT_PCP_LIST = 160,
3343         WLAN_EID_PCP_HANDOVER = 161,
3344         WLAN_EID_DMG_LINK_MARGIN = 162,
3345         WLAN_EID_SWITCHING_STREAM = 163,
3346         WLAN_EID_SESSION_TRANSITION = 164,
3347         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3348         WLAN_EID_CLUSTER_REPORT = 166,
3349         WLAN_EID_RELAY_CAP = 167,
3350         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3351         WLAN_EID_BEAM_LINK_MAINT = 169,
3352         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3353         WLAN_EID_U_PID = 171,
3354         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3355         /* 173 reserved for Symbol */
3356         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3357         WLAN_EID_QUIET_PERIOD_REQ = 175,
3358         /* 176 reserved for Symbol */
3359         WLAN_EID_QUIET_PERIOD_RESP = 177,
3360         /* 178-179 reserved for Symbol */
3361         /* 180 reserved for ISO/IEC 20011 */
3362         WLAN_EID_EPAC_POLICY = 182,
3363         WLAN_EID_CLISTER_TIME_OFF = 183,
3364         WLAN_EID_INTER_AC_PRIO = 184,
3365         WLAN_EID_SCS_DESCRIPTOR = 185,
3366         WLAN_EID_QLOAD_REPORT = 186,
3367         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3368         WLAN_EID_HL_STREAM_ID = 188,
3369         WLAN_EID_GCR_GROUP_ADDR = 189,
3370         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3371         WLAN_EID_VHT_CAPABILITY = 191,
3372         WLAN_EID_VHT_OPERATION = 192,
3373         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3374         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3375         WLAN_EID_TX_POWER_ENVELOPE = 195,
3376         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3377         WLAN_EID_AID = 197,
3378         WLAN_EID_QUIET_CHANNEL = 198,
3379         WLAN_EID_OPMODE_NOTIF = 199,
3380
3381         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3382
3383         WLAN_EID_AID_REQUEST = 210,
3384         WLAN_EID_AID_RESPONSE = 211,
3385         WLAN_EID_S1G_BCN_COMPAT = 213,
3386         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3387         WLAN_EID_S1G_TWT = 216,
3388         WLAN_EID_S1G_CAPABILITIES = 217,
3389         WLAN_EID_VENDOR_SPECIFIC = 221,
3390         WLAN_EID_QOS_PARAMETER = 222,
3391         WLAN_EID_S1G_OPERATION = 232,
3392         WLAN_EID_CAG_NUMBER = 237,
3393         WLAN_EID_AP_CSN = 239,
3394         WLAN_EID_FILS_INDICATION = 240,
3395         WLAN_EID_DILS = 241,
3396         WLAN_EID_FRAGMENT = 242,
3397         WLAN_EID_RSNX = 244,
3398         WLAN_EID_EXTENSION = 255
3399 };
3400
3401 /* Element ID Extensions for Element ID 255 */
3402 enum ieee80211_eid_ext {
3403         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3404         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3405         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3406         WLAN_EID_EXT_FILS_SESSION = 4,
3407         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3408         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3409         WLAN_EID_EXT_KEY_DELIVERY = 7,
3410         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3411         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3412         WLAN_EID_EXT_FILS_NONCE = 13,
3413         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3414         WLAN_EID_EXT_HE_CAPABILITY = 35,
3415         WLAN_EID_EXT_HE_OPERATION = 36,
3416         WLAN_EID_EXT_UORA = 37,
3417         WLAN_EID_EXT_HE_MU_EDCA = 38,
3418         WLAN_EID_EXT_HE_SPR = 39,
3419         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3420         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3421         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3422         WLAN_EID_EXT_ESS_REPORT = 45,
3423         WLAN_EID_EXT_OPS = 46,
3424         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3425         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3426         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3427         WLAN_EID_EXT_NON_INHERITANCE = 56,
3428         WLAN_EID_EXT_KNOWN_BSSID = 57,
3429         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3430         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3431         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3432         WLAN_EID_EXT_EHT_OPERATION = 106,
3433         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3434         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3435 };
3436
3437 /* Action category code */
3438 enum ieee80211_category {
3439         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3440         WLAN_CATEGORY_QOS = 1,
3441         WLAN_CATEGORY_DLS = 2,
3442         WLAN_CATEGORY_BACK = 3,
3443         WLAN_CATEGORY_PUBLIC = 4,
3444         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3445         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3446         WLAN_CATEGORY_HT = 7,
3447         WLAN_CATEGORY_SA_QUERY = 8,
3448         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3449         WLAN_CATEGORY_WNM = 10,
3450         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3451         WLAN_CATEGORY_TDLS = 12,
3452         WLAN_CATEGORY_MESH_ACTION = 13,
3453         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3454         WLAN_CATEGORY_SELF_PROTECTED = 15,
3455         WLAN_CATEGORY_DMG = 16,
3456         WLAN_CATEGORY_WMM = 17,
3457         WLAN_CATEGORY_FST = 18,
3458         WLAN_CATEGORY_UNPROT_DMG = 20,
3459         WLAN_CATEGORY_VHT = 21,
3460         WLAN_CATEGORY_S1G = 22,
3461         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3462         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3463 };
3464
3465 /* SPECTRUM_MGMT action code */
3466 enum ieee80211_spectrum_mgmt_actioncode {
3467         WLAN_ACTION_SPCT_MSR_REQ = 0,
3468         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3469         WLAN_ACTION_SPCT_TPC_REQ = 2,
3470         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3471         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3472 };
3473
3474 /* HT action codes */
3475 enum ieee80211_ht_actioncode {
3476         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3477         WLAN_HT_ACTION_SMPS = 1,
3478         WLAN_HT_ACTION_PSMP = 2,
3479         WLAN_HT_ACTION_PCO_PHASE = 3,
3480         WLAN_HT_ACTION_CSI = 4,
3481         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3482         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3483         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3484 };
3485
3486 /* VHT action codes */
3487 enum ieee80211_vht_actioncode {
3488         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3489         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3490         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3491 };
3492
3493 /* Self Protected Action codes */
3494 enum ieee80211_self_protected_actioncode {
3495         WLAN_SP_RESERVED = 0,
3496         WLAN_SP_MESH_PEERING_OPEN = 1,
3497         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3498         WLAN_SP_MESH_PEERING_CLOSE = 3,
3499         WLAN_SP_MGK_INFORM = 4,
3500         WLAN_SP_MGK_ACK = 5,
3501 };
3502
3503 /* Mesh action codes */
3504 enum ieee80211_mesh_actioncode {
3505         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3506         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3507         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3508         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3509         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3510         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3511         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3512         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3513         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3514         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3515         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3516 };
3517
3518 /* Security key length */
3519 enum ieee80211_key_len {
3520         WLAN_KEY_LEN_WEP40 = 5,
3521         WLAN_KEY_LEN_WEP104 = 13,
3522         WLAN_KEY_LEN_CCMP = 16,
3523         WLAN_KEY_LEN_CCMP_256 = 32,
3524         WLAN_KEY_LEN_TKIP = 32,
3525         WLAN_KEY_LEN_AES_CMAC = 16,
3526         WLAN_KEY_LEN_SMS4 = 32,
3527         WLAN_KEY_LEN_GCMP = 16,
3528         WLAN_KEY_LEN_GCMP_256 = 32,
3529         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3530         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3531         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3532 };
3533
3534 enum ieee80211_s1g_actioncode {
3535         WLAN_S1G_AID_SWITCH_REQUEST,
3536         WLAN_S1G_AID_SWITCH_RESPONSE,
3537         WLAN_S1G_SYNC_CONTROL,
3538         WLAN_S1G_STA_INFO_ANNOUNCE,
3539         WLAN_S1G_EDCA_PARAM_SET,
3540         WLAN_S1G_EL_OPERATION,
3541         WLAN_S1G_TWT_SETUP,
3542         WLAN_S1G_TWT_TEARDOWN,
3543         WLAN_S1G_SECT_GROUP_ID_LIST,
3544         WLAN_S1G_SECT_ID_FEEDBACK,
3545         WLAN_S1G_TWT_INFORMATION = 11,
3546 };
3547
3548 #define IEEE80211_WEP_IV_LEN            4
3549 #define IEEE80211_WEP_ICV_LEN           4
3550 #define IEEE80211_CCMP_HDR_LEN          8
3551 #define IEEE80211_CCMP_MIC_LEN          8
3552 #define IEEE80211_CCMP_PN_LEN           6
3553 #define IEEE80211_CCMP_256_HDR_LEN      8
3554 #define IEEE80211_CCMP_256_MIC_LEN      16
3555 #define IEEE80211_CCMP_256_PN_LEN       6
3556 #define IEEE80211_TKIP_IV_LEN           8
3557 #define IEEE80211_TKIP_ICV_LEN          4
3558 #define IEEE80211_CMAC_PN_LEN           6
3559 #define IEEE80211_GMAC_PN_LEN           6
3560 #define IEEE80211_GCMP_HDR_LEN          8
3561 #define IEEE80211_GCMP_MIC_LEN          16
3562 #define IEEE80211_GCMP_PN_LEN           6
3563
3564 #define FILS_NONCE_LEN                  16
3565 #define FILS_MAX_KEK_LEN                64
3566
3567 #define FILS_ERP_MAX_USERNAME_LEN       16
3568 #define FILS_ERP_MAX_REALM_LEN          253
3569 #define FILS_ERP_MAX_RRK_LEN            64
3570
3571 #define PMK_MAX_LEN                     64
3572 #define SAE_PASSWORD_MAX_LEN            128
3573
3574 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3575 enum ieee80211_pub_actioncode {
3576         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3577         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3578         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3579         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3580         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3581         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3582         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3583         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3584         WLAN_PUB_ACTION_DSE_PC = 8,
3585         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3586         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3587         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3588         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3589         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3590         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3591         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3592         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3593         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3594         WLAN_PUB_ACTION_QMF_POLICY = 18,
3595         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3596         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3597         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3598         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3599         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3600         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3601         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3602         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3603         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3604         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3605         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3606         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3607         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3608         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3609         WLAN_PUB_ACTION_FTM = 33,
3610         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3611 };
3612
3613 /* TDLS action codes */
3614 enum ieee80211_tdls_actioncode {
3615         WLAN_TDLS_SETUP_REQUEST = 0,
3616         WLAN_TDLS_SETUP_RESPONSE = 1,
3617         WLAN_TDLS_SETUP_CONFIRM = 2,
3618         WLAN_TDLS_TEARDOWN = 3,
3619         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3620         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3621         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3622         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3623         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3624         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3625         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3626 };
3627
3628 /* Extended Channel Switching capability to be set in the 1st byte of
3629  * the @WLAN_EID_EXT_CAPABILITY information element
3630  */
3631 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3632
3633 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3634  * @WLAN_EID_EXT_CAPABILITY information element
3635  */
3636 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3637
3638 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3639  * of the @WLAN_EID_EXT_CAPABILITY information element
3640  */
3641 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3642
3643 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3644 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3645 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3646 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3647
3648 /* Interworking capabilities are set in 7th bit of 4th byte of the
3649  * @WLAN_EID_EXT_CAPABILITY information element
3650  */
3651 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3652
3653 /*
3654  * TDLS capabililites to be enabled in the 5th byte of the
3655  * @WLAN_EID_EXT_CAPABILITY information element
3656  */
3657 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3658 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3659 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3660
3661 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3662 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3663
3664 /* Defines the maximal number of MSDUs in an A-MSDU. */
3665 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3666 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3667
3668 /*
3669  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3670  * information element
3671  */
3672 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3673
3674 /* Defines support for TWT Requester and TWT Responder */
3675 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3676 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3677
3678 /*
3679  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3680  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3681  * 26-tone RU UL OFDMA transmissions as radar pulses).
3682  */
3683 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3684
3685 /* Defines support for enhanced multi-bssid advertisement*/
3686 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3687
3688 /* TDLS specific payload type in the LLC/SNAP header */
3689 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3690
3691 /* BSS Coex IE information field bits */
3692 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3693
3694 /**
3695  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3696  *
3697  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3698  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3699  *      that will be specified in a vendor specific information element
3700  */
3701 enum ieee80211_mesh_sync_method {
3702         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3703         IEEE80211_SYNC_METHOD_VENDOR = 255,
3704 };
3705
3706 /**
3707  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3708  *
3709  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3710  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3711  *      be specified in a vendor specific information element
3712  */
3713 enum ieee80211_mesh_path_protocol {
3714         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3715         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3716 };
3717
3718 /**
3719  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3720  *
3721  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3722  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3723  *      specified in a vendor specific information element
3724  */
3725 enum ieee80211_mesh_path_metric {
3726         IEEE80211_PATH_METRIC_AIRTIME = 1,
3727         IEEE80211_PATH_METRIC_VENDOR = 255,
3728 };
3729
3730 /**
3731  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3732  *
3733  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3734  *
3735  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3736  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3737  *      this value
3738  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3739  *      the proactive PREQ with proactive PREP subfield set to 0
3740  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3741  *      supports the proactive PREQ with proactive PREP subfield set to 1
3742  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3743  *      the proactive RANN
3744  */
3745 enum ieee80211_root_mode_identifier {
3746         IEEE80211_ROOTMODE_NO_ROOT = 0,
3747         IEEE80211_ROOTMODE_ROOT = 1,
3748         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3749         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3750         IEEE80211_PROACTIVE_RANN = 4,
3751 };
3752
3753 /*
3754  * IEEE 802.11-2007 7.3.2.9 Country information element
3755  *
3756  * Minimum length is 8 octets, ie len must be evenly
3757  * divisible by 2
3758  */
3759
3760 /* Although the spec says 8 I'm seeing 6 in practice */
3761 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3762
3763 /* The Country String field of the element shall be 3 octets in length */
3764 #define IEEE80211_COUNTRY_STRING_LEN    3
3765
3766 /*
3767  * For regulatory extension stuff see IEEE 802.11-2007
3768  * Annex I (page 1141) and Annex J (page 1147). Also
3769  * review 7.3.2.9.
3770  *
3771  * When dot11RegulatoryClassesRequired is true and the
3772  * first_channel/reg_extension_id is >= 201 then the IE
3773  * compromises of the 'ext' struct represented below:
3774  *
3775  *  - Regulatory extension ID - when generating IE this just needs
3776  *    to be monotonically increasing for each triplet passed in
3777  *    the IE
3778  *  - Regulatory class - index into set of rules
3779  *  - Coverage class - index into air propagation time (Table 7-27),
3780  *    in microseconds, you can compute the air propagation time from
3781  *    the index by multiplying by 3, so index 10 yields a propagation
3782  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3783  *    yet. A value of 0 inicates air propagation of <= 1 us.
3784  *
3785  *  See also Table I.2 for Emission limit sets and table
3786  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3787  *  a reg_class to an emission limit set and behavior limit set.
3788  */
3789 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3790
3791 /*
3792  *  Channels numbers in the IE must be monotonically increasing
3793  *  if dot11RegulatoryClassesRequired is not true.
3794  *
3795  *  If dot11RegulatoryClassesRequired is true consecutive
3796  *  subband triplets following a regulatory triplet shall
3797  *  have monotonically increasing first_channel number fields.
3798  *
3799  *  Channel numbers shall not overlap.
3800  *
3801  *  Note that max_power is signed.
3802  */
3803 struct ieee80211_country_ie_triplet {
3804         union {
3805                 struct {
3806                         u8 first_channel;
3807                         u8 num_channels;
3808                         s8 max_power;
3809                 } __packed chans;
3810                 struct {
3811                         u8 reg_extension_id;
3812                         u8 reg_class;
3813                         u8 coverage_class;
3814                 } __packed ext;
3815         };
3816 } __packed;
3817
3818 enum ieee80211_timeout_interval_type {
3819         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3820         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3821         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3822 };
3823
3824 /**
3825  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3826  * @type: type, see &enum ieee80211_timeout_interval_type
3827  * @value: timeout interval value
3828  */
3829 struct ieee80211_timeout_interval_ie {
3830         u8 type;
3831         __le32 value;
3832 } __packed;
3833
3834 /**
3835  * enum ieee80211_idle_options - BSS idle options
3836  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3837  *      protected frame to the AP to reset the idle timer at the AP for
3838  *      the station.
3839  */
3840 enum ieee80211_idle_options {
3841         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3842 };
3843
3844 /**
3845  * struct ieee80211_bss_max_idle_period_ie
3846  *
3847  * This structure refers to "BSS Max idle period element"
3848  *
3849  * @max_idle_period: indicates the time period during which a station can
3850  *      refrain from transmitting frames to its associated AP without being
3851  *      disassociated. In units of 1000 TUs.
3852  * @idle_options: indicates the options associated with the BSS idle capability
3853  *      as specified in &enum ieee80211_idle_options.
3854  */
3855 struct ieee80211_bss_max_idle_period_ie {
3856         __le16 max_idle_period;
3857         u8 idle_options;
3858 } __packed;
3859
3860 /* BACK action code */
3861 enum ieee80211_back_actioncode {
3862         WLAN_ACTION_ADDBA_REQ = 0,
3863         WLAN_ACTION_ADDBA_RESP = 1,
3864         WLAN_ACTION_DELBA = 2,
3865 };
3866
3867 /* BACK (block-ack) parties */
3868 enum ieee80211_back_parties {
3869         WLAN_BACK_RECIPIENT = 0,
3870         WLAN_BACK_INITIATOR = 1,
3871 };
3872
3873 /* SA Query action */
3874 enum ieee80211_sa_query_action {
3875         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3876         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3877 };
3878
3879 /**
3880  * struct ieee80211_bssid_index
3881  *
3882  * This structure refers to "Multiple BSSID-index element"
3883  *
3884  * @bssid_index: BSSID index
3885  * @dtim_period: optional, overrides transmitted BSS dtim period
3886  * @dtim_count: optional, overrides transmitted BSS dtim count
3887  */
3888 struct ieee80211_bssid_index {
3889         u8 bssid_index;
3890         u8 dtim_period;
3891         u8 dtim_count;
3892 };
3893
3894 /**
3895  * struct ieee80211_multiple_bssid_configuration
3896  *
3897  * This structure refers to "Multiple BSSID Configuration element"
3898  *
3899  * @bssid_count: total number of active BSSIDs in the set
3900  * @profile_periodicity: the least number of beacon frames need to be received
3901  *      in order to discover all the nontransmitted BSSIDs in the set.
3902  */
3903 struct ieee80211_multiple_bssid_configuration {
3904         u8 bssid_count;
3905         u8 profile_periodicity;
3906 };
3907
3908 #define SUITE(oui, id)  (((oui) << 8) | (id))
3909
3910 /* cipher suite selectors */
3911 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3912 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3913 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3914 /* reserved:                            SUITE(0x000FAC, 3) */
3915 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3916 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3917 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3918 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3919 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3920 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3921 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3922 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3923 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3924
3925 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3926
3927 /* AKM suite selectors */
3928 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3929 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3930 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3931 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3932 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3933 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3934 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3935 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3936 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3937 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3938 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3939 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3940 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3941 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3942 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3943 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3944 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3945 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3946 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3947 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3948
3949 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
3950
3951 #define WLAN_MAX_KEY_LEN                32
3952
3953 #define WLAN_PMK_NAME_LEN               16
3954 #define WLAN_PMKID_LEN                  16
3955 #define WLAN_PMK_LEN_EAP_LEAP           16
3956 #define WLAN_PMK_LEN                    32
3957 #define WLAN_PMK_LEN_SUITE_B_192        48
3958
3959 #define WLAN_OUI_WFA                    0x506f9a
3960 #define WLAN_OUI_TYPE_WFA_P2P           9
3961 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
3962 #define WLAN_OUI_MICROSOFT              0x0050f2
3963 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3964 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3965 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3966 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3967
3968 /*
3969  * WMM/802.11e Tspec Element
3970  */
3971 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3972 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3973
3974 enum ieee80211_tspec_status_code {
3975         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3976         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3977 };
3978
3979 struct ieee80211_tspec_ie {
3980         u8 element_id;
3981         u8 len;
3982         u8 oui[3];
3983         u8 oui_type;
3984         u8 oui_subtype;
3985         u8 version;
3986         __le16 tsinfo;
3987         u8 tsinfo_resvd;
3988         __le16 nominal_msdu;
3989         __le16 max_msdu;
3990         __le32 min_service_int;
3991         __le32 max_service_int;
3992         __le32 inactivity_int;
3993         __le32 suspension_int;
3994         __le32 service_start_time;
3995         __le32 min_data_rate;
3996         __le32 mean_data_rate;
3997         __le32 peak_data_rate;
3998         __le32 max_burst_size;
3999         __le32 delay_bound;
4000         __le32 min_phy_rate;
4001         __le16 sba;
4002         __le16 medium_time;
4003 } __packed;
4004
4005 struct ieee80211_he_6ghz_capa {
4006         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4007         __le16 capa;
4008 } __packed;
4009
4010 /* HE 6 GHz band capabilities */
4011 /* uses enum ieee80211_min_mpdu_spacing values */
4012 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4013 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4014 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4015 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4016 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4017 /* WLAN_HT_CAP_SM_PS_* values */
4018 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4019 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4020 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4021 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4022
4023 /**
4024  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4025  * @hdr: the frame
4026  *
4027  * The qos ctrl bytes come after the frame_control, duration, seq_num
4028  * and 3 or 4 addresses of length ETH_ALEN.
4029  * 3 addr: 2 + 2 + 2 + 3*6 = 24
4030  * 4 addr: 2 + 2 + 2 + 4*6 = 30
4031  */
4032 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4033 {
4034         if (ieee80211_has_a4(hdr->frame_control))
4035                 return (u8 *)hdr + 30;
4036         else
4037                 return (u8 *)hdr + 24;
4038 }
4039
4040 /**
4041  * ieee80211_get_tid - get qos TID
4042  * @hdr: the frame
4043  */
4044 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4045 {
4046         u8 *qc = ieee80211_get_qos_ctl(hdr);
4047
4048         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4049 }
4050
4051 /**
4052  * ieee80211_get_SA - get pointer to SA
4053  * @hdr: the frame
4054  *
4055  * Given an 802.11 frame, this function returns the offset
4056  * to the source address (SA). It does not verify that the
4057  * header is long enough to contain the address, and the
4058  * header must be long enough to contain the frame control
4059  * field.
4060  */
4061 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4062 {
4063         if (ieee80211_has_a4(hdr->frame_control))
4064                 return hdr->addr4;
4065         if (ieee80211_has_fromds(hdr->frame_control))
4066                 return hdr->addr3;
4067         return hdr->addr2;
4068 }
4069
4070 /**
4071  * ieee80211_get_DA - get pointer to DA
4072  * @hdr: the frame
4073  *
4074  * Given an 802.11 frame, this function returns the offset
4075  * to the destination address (DA). It does not verify that
4076  * the header is long enough to contain the address, and the
4077  * header must be long enough to contain the frame control
4078  * field.
4079  */
4080 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4081 {
4082         if (ieee80211_has_tods(hdr->frame_control))
4083                 return hdr->addr3;
4084         else
4085                 return hdr->addr1;
4086 }
4087
4088 /**
4089  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4090  * @hdr: the frame (buffer must include at least the first octet of payload)
4091  */
4092 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4093 {
4094         if (ieee80211_is_disassoc(hdr->frame_control) ||
4095             ieee80211_is_deauth(hdr->frame_control))
4096                 return true;
4097
4098         if (ieee80211_is_action(hdr->frame_control)) {
4099                 u8 *category;
4100
4101                 /*
4102                  * Action frames, excluding Public Action frames, are Robust
4103                  * Management Frames. However, if we are looking at a Protected
4104                  * frame, skip the check since the data may be encrypted and
4105                  * the frame has already been found to be a Robust Management
4106                  * Frame (by the other end).
4107                  */
4108                 if (ieee80211_has_protected(hdr->frame_control))
4109                         return true;
4110                 category = ((u8 *) hdr) + 24;
4111                 return *category != WLAN_CATEGORY_PUBLIC &&
4112                         *category != WLAN_CATEGORY_HT &&
4113                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4114                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4115                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4116                         *category != WLAN_CATEGORY_VHT &&
4117                         *category != WLAN_CATEGORY_S1G &&
4118                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4119         }
4120
4121         return false;
4122 }
4123
4124 /**
4125  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4126  * @skb: the skb containing the frame, length will be checked
4127  */
4128 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4129 {
4130         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4131                 return false;
4132         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4133 }
4134
4135 /**
4136  * ieee80211_is_public_action - check if frame is a public action frame
4137  * @hdr: the frame
4138  * @len: length of the frame
4139  */
4140 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4141                                               size_t len)
4142 {
4143         struct ieee80211_mgmt *mgmt = (void *)hdr;
4144
4145         if (len < IEEE80211_MIN_ACTION_SIZE)
4146                 return false;
4147         if (!ieee80211_is_action(hdr->frame_control))
4148                 return false;
4149         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4150 }
4151
4152 /**
4153  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4154  * privacy action frame
4155  * @hdr: the frame
4156  */
4157 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4158 {
4159         struct ieee80211_mgmt *mgmt = (void *)hdr;
4160
4161         if (!ieee80211_is_action(hdr->frame_control) ||
4162             !is_multicast_ether_addr(hdr->addr1))
4163                 return false;
4164
4165         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4166                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4167 }
4168
4169 /**
4170  * ieee80211_is_group_privacy_action - check if frame is a group addressed
4171  * privacy action frame
4172  * @skb: the skb containing the frame, length will be checked
4173  */
4174 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4175 {
4176         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4177                 return false;
4178         return _ieee80211_is_group_privacy_action((void *)skb->data);
4179 }
4180
4181 /**
4182  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4183  * @tu: the TUs
4184  */
4185 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4186 {
4187         return 1024 * tu;
4188 }
4189
4190 /**
4191  * ieee80211_check_tim - check if AID bit is set in TIM
4192  * @tim: the TIM IE
4193  * @tim_len: length of the TIM IE
4194  * @aid: the AID to look for
4195  */
4196 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4197                                        u8 tim_len, u16 aid)
4198 {
4199         u8 mask;
4200         u8 index, indexn1, indexn2;
4201
4202         if (unlikely(!tim || tim_len < sizeof(*tim)))
4203                 return false;
4204
4205         aid &= 0x3fff;
4206         index = aid / 8;
4207         mask  = 1 << (aid & 7);
4208
4209         indexn1 = tim->bitmap_ctrl & 0xfe;
4210         indexn2 = tim_len + indexn1 - 4;
4211
4212         if (index < indexn1 || index > indexn2)
4213                 return false;
4214
4215         index -= indexn1;
4216
4217         return !!(tim->virtual_map[index] & mask);
4218 }
4219
4220 /**
4221  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4222  * @skb: the skb containing the frame, length will not be checked
4223  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4224  *
4225  * This function assumes the frame is a data frame, and that the network header
4226  * is in the correct place.
4227  */
4228 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4229 {
4230         if (!skb_is_nonlinear(skb) &&
4231             skb->len > (skb_network_offset(skb) + 2)) {
4232                 /* Point to where the indication of TDLS should start */
4233                 const u8 *tdls_data = skb_network_header(skb) - 2;
4234
4235                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4236                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4237                     tdls_data[3] == WLAN_CATEGORY_TDLS)
4238                         return tdls_data[4];
4239         }
4240
4241         return -1;
4242 }
4243
4244 /* convert time units */
4245 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
4246 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
4247
4248 /* convert frequencies */
4249 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4250 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4251 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4252 #define KHZ_F "%d.%03d"
4253
4254 /* convert powers */
4255 #define DBI_TO_MBI(gain) ((gain) * 100)
4256 #define MBI_TO_DBI(gain) ((gain) / 100)
4257 #define DBM_TO_MBM(gain) ((gain) * 100)
4258 #define MBM_TO_DBM(gain) ((gain) / 100)
4259
4260 /**
4261  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4262  * @skb: the skb containing the frame, length will be checked
4263  *
4264  * This function checks if it's either TPC report action frame or Link
4265  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4266  * and 8.5.7.5 accordingly.
4267  */
4268 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4269 {
4270         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4271
4272         if (!ieee80211_is_action(mgmt->frame_control))
4273                 return false;
4274
4275         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4276                        sizeof(mgmt->u.action.u.tpc_report))
4277                 return false;
4278
4279         /*
4280          * TPC report - check that:
4281          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4282          * spectrum management action = 3 (TPC/Link Measurement report)
4283          * TPC report EID = 35
4284          * TPC report element length = 2
4285          *
4286          * The spectrum management's tpc_report struct is used here both for
4287          * parsing tpc_report and radio measurement's link measurement report
4288          * frame, since the relevant part is identical in both frames.
4289          */
4290         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4291             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4292                 return false;
4293
4294         /* both spectrum mgmt and link measurement have same action code */
4295         if (mgmt->u.action.u.tpc_report.action_code !=
4296             WLAN_ACTION_SPCT_TPC_RPRT)
4297                 return false;
4298
4299         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4300             mgmt->u.action.u.tpc_report.tpc_elem_length !=
4301             sizeof(struct ieee80211_tpc_report_ie))
4302                 return false;
4303
4304         return true;
4305 }
4306
4307 struct element {
4308         u8 id;
4309         u8 datalen;
4310         u8 data[];
4311 } __packed;
4312
4313 /* element iteration helpers */
4314 #define for_each_element(_elem, _data, _datalen)                        \
4315         for (_elem = (const struct element *)(_data);                   \
4316              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4317                 (int)sizeof(*_elem) &&                                  \
4318              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4319                 (int)sizeof(*_elem) + _elem->datalen;                   \
4320              _elem = (const struct element *)(_elem->data + _elem->datalen))
4321
4322 #define for_each_element_id(element, _id, data, datalen)                \
4323         for_each_element(element, data, datalen)                        \
4324                 if (element->id == (_id))
4325
4326 #define for_each_element_extid(element, extid, _data, _datalen)         \
4327         for_each_element(element, _data, _datalen)                      \
4328                 if (element->id == WLAN_EID_EXTENSION &&                \
4329                     element->datalen > 0 &&                             \
4330                     element->data[0] == (extid))
4331
4332 #define for_each_subelement(sub, element)                               \
4333         for_each_element(sub, (element)->data, (element)->datalen)
4334
4335 #define for_each_subelement_id(sub, id, element)                        \
4336         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4337
4338 #define for_each_subelement_extid(sub, extid, element)                  \
4339         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4340
4341 /**
4342  * for_each_element_completed - determine if element parsing consumed all data
4343  * @element: element pointer after for_each_element() or friends
4344  * @data: same data pointer as passed to for_each_element() or friends
4345  * @datalen: same data length as passed to for_each_element() or friends
4346  *
4347  * This function returns %true if all the data was parsed or considered
4348  * while walking the elements. Only use this if your for_each_element()
4349  * loop cannot be broken out of, otherwise it always returns %false.
4350  *
4351  * If some data was malformed, this returns %false since the last parsed
4352  * element will not fill the whole remaining data.
4353  */
4354 static inline bool for_each_element_completed(const struct element *element,
4355                                               const void *data, size_t datalen)
4356 {
4357         return (const u8 *)element == (const u8 *)data + datalen;
4358 }
4359
4360 /**
4361  * RSNX Capabilities:
4362  * bits 0-3: Field length (n-1)
4363  */
4364 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4365 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4366
4367 /*
4368  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4369  * section 9.4.2.170 and accepted contributions.
4370  */
4371 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4372 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4373 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4374 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4375 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4376 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4377
4378 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4379 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4380 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4381 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4382 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4383 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4384 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4385
4386 struct ieee80211_neighbor_ap_info {
4387         u8 tbtt_info_hdr;
4388         u8 tbtt_info_len;
4389         u8 op_class;
4390         u8 channel;
4391 } __packed;
4392
4393 enum ieee80211_range_params_max_total_ltf {
4394         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4395         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4396         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4397         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4398 };
4399
4400 /* multi-link device */
4401 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4402
4403 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4404 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4405 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4406 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4407 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4408 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4409 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4410
4411 struct ieee80211_multi_link_elem {
4412         __le16 control;
4413         u8 variable[];
4414 } __packed;
4415
4416 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4417 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4418 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4419 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4420 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4421 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4422
4423 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4424 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4425 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4426
4427 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4428 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4429 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4430 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4431 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4432 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4433 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4434 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4435 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4436 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4437 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4438 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4439 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4440 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4441 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4442 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4443 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4444 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4445 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4446 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4447 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4448 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4449 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4450 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4451 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4452 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4453 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4454 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4455 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4456 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4457 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4458 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4459 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4460 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4461
4462 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4463 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4464 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4465 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4466 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4467
4468 struct ieee80211_mle_basic_common_info {
4469         u8 len;
4470         u8 mld_mac_addr[ETH_ALEN];
4471         u8 variable[];
4472 } __packed;
4473
4474 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4475
4476 struct ieee80211_mle_preq_common_info {
4477         u8 len;
4478         u8 variable[];
4479 } __packed;
4480
4481 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4482
4483 /* no fixed fields in RECONF */
4484
4485 struct ieee80211_mle_tdls_common_info {
4486         u8 len;
4487         u8 ap_mld_mac_addr[ETH_ALEN];
4488 } __packed;
4489
4490 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4491
4492 /* no fixed fields in PRIO_ACCESS */
4493
4494 /**
4495  * ieee80211_mle_common_size - check multi-link element common size
4496  * @data: multi-link element, must already be checked for size using
4497  *      ieee80211_mle_size_ok()
4498  */
4499 static inline u8 ieee80211_mle_common_size(const u8 *data)
4500 {
4501         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4502         u16 control = le16_to_cpu(mle->control);
4503         u8 common = 0;
4504
4505         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4506         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4507                 common += sizeof(struct ieee80211_mle_basic_common_info);
4508                 break;
4509         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4510                 common += sizeof(struct ieee80211_mle_preq_common_info);
4511                 break;
4512         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4513                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4514                         common += ETH_ALEN;
4515                 return common;
4516         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4517                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4518                 break;
4519         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4520                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4521                         common += ETH_ALEN;
4522                 return common;
4523         default:
4524                 WARN_ON(1);
4525                 return 0;
4526         }
4527
4528         return common + mle->variable[0];
4529 }
4530
4531 /**
4532  * ieee80211_mle_size_ok - validate multi-link element size
4533  * @data: pointer to the element data
4534  * @len: length of the containing element
4535  */
4536 static inline bool ieee80211_mle_size_ok(const u8 *data, u8 len)
4537 {
4538         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4539         u8 fixed = sizeof(*mle);
4540         u8 common = 0;
4541         bool check_common_len = false;
4542         u16 control;
4543
4544         if (len < fixed)
4545                 return false;
4546
4547         control = le16_to_cpu(mle->control);
4548
4549         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4550         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4551                 common += sizeof(struct ieee80211_mle_basic_common_info);
4552                 check_common_len = true;
4553                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4554                         common += 1;
4555                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4556                         common += 1;
4557                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4558                         common += 2;
4559                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4560                         common += 2;
4561                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4562                         common += 2;
4563                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4564                         common += 1;
4565                 break;
4566         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4567                 common += sizeof(struct ieee80211_mle_preq_common_info);
4568                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4569                         common += 1;
4570                 check_common_len = true;
4571                 break;
4572         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4573                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4574                         common += ETH_ALEN;
4575                 break;
4576         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4577                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4578                 check_common_len = true;
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                 break;
4584         default:
4585                 /* we don't know this type */
4586                 return true;
4587         }
4588
4589         if (len < fixed + common)
4590                 return false;
4591
4592         if (!check_common_len)
4593                 return true;
4594
4595         /* if present, common length is the first octet there */
4596         return mle->variable[0] >= common;
4597 }
4598
4599 enum ieee80211_mle_subelems {
4600         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4601 };
4602
4603 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4604 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4605 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4606 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4607 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4608 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4609 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4610 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4611 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4612
4613 struct ieee80211_mle_per_sta_profile {
4614         __le16 control;
4615         u8 sta_info_len;
4616         u8 variable[];
4617 } __packed;
4618
4619 #define for_each_mle_subelement(_elem, _data, _len)                     \
4620         if (ieee80211_mle_size_ok(_data, _len))                         \
4621                 for_each_element(_elem,                                 \
4622                                  _data + ieee80211_mle_common_size(_data),\
4623                                  _len - ieee80211_mle_common_size(_data))
4624
4625 #endif /* LINUX_IEEE80211_H */