include/linux/ieee80211.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * IEEE 802.11 defines
   4  *
   5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   6  * <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   8  * Copyright (c) 2005, Devicescape Software, Inc.
   9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12  * Copyright (c) 2018 - 2023 Intel Corporation
  13  */
  14
  15 #ifndef __LINUX_IEEE80211_H
  16 #define __LINUX_IEEE80211_H
  17
  18 /*
  19  * DS bit usage
  20  *
  21  * TA = transmitter address
  22  * RA = receiver address
  23  * DA = destination address
  24  * SA = source address
  25  *
  26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  27  * -----------------------------------------------------------------
  28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  29  *  0       1       DA      BSSID   SA      -       AP -> STA
  30  *  1       0       BSSID   SA      DA      -       AP <- STA
  31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  32  */
  33
  34 #define FCS_LEN 4
  35
  36 #define IEEE80211_FCTL_VERS             0x0003
  37 #define IEEE80211_FCTL_FTYPE            0x000c
  38 #define IEEE80211_FCTL_STYPE            0x00f0
  39 #define IEEE80211_FCTL_TODS             0x0100
  40 #define IEEE80211_FCTL_FROMDS           0x0200
  41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  42 #define IEEE80211_FCTL_RETRY            0x0800
  43 #define IEEE80211_FCTL_PM               0x1000
  44 #define IEEE80211_FCTL_MOREDATA         0x2000
  45 #define IEEE80211_FCTL_PROTECTED        0x4000
  46 #define IEEE80211_FCTL_ORDER            0x8000
  47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  48
  49 #define IEEE80211_SCTL_FRAG             0x000F
  50 #define IEEE80211_SCTL_SEQ              0xFFF0
  51
  52 #define IEEE80211_FTYPE_MGMT            0x0000
  53 #define IEEE80211_FTYPE_CTL             0x0004
  54 #define IEEE80211_FTYPE_DATA            0x0008
  55 #define IEEE80211_FTYPE_EXT             0x000c
  56
  57 /* management */
  58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  64 #define IEEE80211_STYPE_BEACON          0x0080
  65 #define IEEE80211_STYPE_ATIM            0x0090
  66 #define IEEE80211_STYPE_DISASSOC        0x00A0
  67 #define IEEE80211_STYPE_AUTH            0x00B0
  68 #define IEEE80211_STYPE_DEAUTH          0x00C0
  69 #define IEEE80211_STYPE_ACTION          0x00D0
  70
  71 /* control */
  72 #define IEEE80211_STYPE_TRIGGER         0x0020
  73 #define IEEE80211_STYPE_CTL_EXT         0x0060
  74 #define IEEE80211_STYPE_BACK_REQ        0x0080
  75 #define IEEE80211_STYPE_BACK            0x0090
  76 #define IEEE80211_STYPE_PSPOLL          0x00A0
  77 #define IEEE80211_STYPE_RTS             0x00B0
  78 #define IEEE80211_STYPE_CTS             0x00C0
  79 #define IEEE80211_STYPE_ACK             0x00D0
  80 #define IEEE80211_STYPE_CFEND           0x00E0
  81 #define IEEE80211_STYPE_CFENDACK        0x00F0
  82
  83 /* data */
  84 #define IEEE80211_STYPE_DATA                    0x0000
  85 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  86 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  87 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  88 #define IEEE80211_STYPE_NULLFUNC                0x0040
  89 #define IEEE80211_STYPE_CFACK                   0x0050
  90 #define IEEE80211_STYPE_CFPOLL                  0x0060
  91 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  92 #define IEEE80211_STYPE_QOS_DATA                0x0080
  93 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  94 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  95 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  96 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  97 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  98 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  99 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 100
 101 /* extension, added by 802.11ad */
 102 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 103 #define IEEE80211_STYPE_S1G_BEACON              0x0010
 104
 105 /* bits unique to S1G beacon */
 106 #define IEEE80211_S1G_BCN_NEXT_TBTT     0x100
 107
 108 /* see 802.11ah-2016 9.9 NDP CMAC frames */
 109 #define IEEE80211_S1G_1MHZ_NDP_BITS     25
 110 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
 111 #define IEEE80211_S1G_2MHZ_NDP_BITS     37
 112 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
 113
 114 #define IEEE80211_NDP_FTYPE_CTS                 0
 115 #define IEEE80211_NDP_FTYPE_CF_END              0
 116 #define IEEE80211_NDP_FTYPE_PS_POLL             1
 117 #define IEEE80211_NDP_FTYPE_ACK                 2
 118 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK         3
 119 #define IEEE80211_NDP_FTYPE_BA                  4
 120 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL      5
 121 #define IEEE80211_NDP_FTYPE_PAGING              6
 122 #define IEEE80211_NDP_FTYPE_PREQ                7
 123
 124 #define SM64(f, v)      ((((u64)v) << f##_S) & f)
 125
 126 /* NDP CMAC frame fields */
 127 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
 128 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
 129
 130 /* 1M Probe Request 11ah 9.9.3.1.1 */
 131 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
 132 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
 133 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
 134 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
 135 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
 136 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
 137 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 138 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 139 /* 2M Probe Request 11ah 9.9.3.1.2 */
 140 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
 141 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
 142 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
 143 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
 144 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
 145 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
 146
 147 #define IEEE80211_ANO_NETTYPE_WILD              15
 148
 149 /* bits unique to S1G beacon */
 150 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
 151
 152 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 153 #define IEEE80211_CTL_EXT_POLL          0x2000
 154 #define IEEE80211_CTL_EXT_SPR           0x3000
 155 #define IEEE80211_CTL_EXT_GRANT 0x4000
 156 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 157 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 158 #define IEEE80211_CTL_EXT_SSW           0x8000
 159 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 160 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 161
 162
 163 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 164 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 165 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 166
 167
 168 /* PV1 Layout 11ah 9.8.3.1 */
 169 #define IEEE80211_PV1_FCTL_VERS         0x0003
 170 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 171 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 172 #define IEEE80211_PV1_FCTL_TODS         0x0100
 173 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 174 #define IEEE80211_PV1_FCTL_PM           0x0400
 175 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 176 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 177 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 178 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 179 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 180 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 181
 182 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 183 {
 184         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 185 }
 186
 187 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 188 {
 189         return (sn1 + sn2) & IEEE80211_SN_MASK;
 190 }
 191
 192 static inline u16 ieee80211_sn_inc(u16 sn)
 193 {
 194         return ieee80211_sn_add(sn, 1);
 195 }
 196
 197 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 198 {
 199         return (sn1 - sn2) & IEEE80211_SN_MASK;
 200 }
 201
 202 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 203 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 204
 205 /* miscellaneous IEEE 802.11 constants */
 206 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 207 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 208 #define IEEE80211_MAX_AID               2007
 209 #define IEEE80211_MAX_AID_S1G           8191
 210 #define IEEE80211_MAX_TIM_LEN           251
 211 #define IEEE80211_MAX_MESH_PEERINGS     63
 212 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 213    6.2.1.1.2.
 214
 215    802.11e clarifies the figure in section 7.1.2. The frame body is
 216    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 217 #define IEEE80211_MAX_DATA_LEN          2304
 218 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 219  * to 7920 bytes, see 8.2.3 General frame format
 220  */
 221 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 222 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 223 #define IEEE80211_MAX_FRAME_LEN         2352
 224
 225 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 226 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 227
 228 /* Maximal size of an A-MSDU */
 229 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 230 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 231
 232 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 233 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 234 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 235
 236 #define IEEE80211_MAX_SSID_LEN          32
 237
 238 #define IEEE80211_MAX_MESH_ID_LEN       32
 239
 240 #define IEEE80211_FIRST_TSPEC_TSID      8
 241 #define IEEE80211_NUM_TIDS              16
 242
 243 /* number of user priorities 802.11 uses */
 244 #define IEEE80211_NUM_UPS               8
 245 /* number of ACs */
 246 #define IEEE80211_NUM_ACS               4
 247
 248 #define IEEE80211_QOS_CTL_LEN           2
 249 /* 1d tag mask */
 250 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 251 /* TID mask */
 252 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 253 /* EOSP */
 254 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 255 /* ACK policy */
 256 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 257 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 258 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 259 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 260 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 261 /* A-MSDU 802.11n */
 262 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 263 /* Mesh Control 802.11s */
 264 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 265
 266 /* U-APSD queue for WMM IEs sent by AP */
 267 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 268 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 269
 270 /* U-APSD queues for WMM IEs sent by STA */
 271 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 272 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 273 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 274 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 275 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 276
 277 /* U-APSD max SP length for WMM IEs sent by STA */
 278 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 279 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 280 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 281 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 282 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 283 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 284
 285 #define IEEE80211_HT_CTL_LEN            4
 286
 287 /* trigger type within common_info of trigger frame */
 288 #define IEEE80211_TRIGGER_TYPE_MASK             0xf
 289 #define IEEE80211_TRIGGER_TYPE_BASIC            0x0
 290 #define IEEE80211_TRIGGER_TYPE_BFRP             0x1
 291 #define IEEE80211_TRIGGER_TYPE_MU_BAR           0x2
 292 #define IEEE80211_TRIGGER_TYPE_MU_RTS           0x3
 293 #define IEEE80211_TRIGGER_TYPE_BSRP             0x4
 294 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR       0x5
 295 #define IEEE80211_TRIGGER_TYPE_BQRP             0x6
 296 #define IEEE80211_TRIGGER_TYPE_NFRP             0x7
 297
 298 struct ieee80211_hdr {
 299         __le16 frame_control;
 300         __le16 duration_id;
 301         u8 addr1[6];
 302         u8 addr2[6];
 303         u8 addr3[6];
 304         __le16 seq_ctrl;
 305         u8 addr4[6];
 306 } __packed __aligned(2);
 307
 308 struct ieee80211_hdr_3addr {
 309         __le16 frame_control;
 310         __le16 duration_id;
 311         struct_group(addrs,
 312                 u8 addr1[6];
 313                 u8 addr2[6];
 314                 u8 addr3[6];
 315         );
 316         __le16 seq_ctrl;
 317 } __packed __aligned(2);
 318
 319 struct ieee80211_qos_hdr {
 320         __le16 frame_control;
 321         __le16 duration_id;
 322         u8 addr1[6];
 323         u8 addr2[6];
 324         u8 addr3[6];
 325         __le16 seq_ctrl;
 326         __le16 qos_ctrl;
 327 } __packed __aligned(2);
 328
 329 struct ieee80211_qos_hdr_4addr {
 330         __le16 frame_control;
 331         __le16 duration_id;
 332         u8 addr1[6];
 333         u8 addr2[6];
 334         u8 addr3[6];
 335         __le16 seq_ctrl;
 336         u8 addr4[6];
 337         __le16 qos_ctrl;
 338 } __packed __aligned(2);
 339
 340 struct ieee80211_trigger {
 341         __le16 frame_control;
 342         __le16 duration;
 343         u8 ra[6];
 344         u8 ta[6];
 345         __le64 common_info;
 346         u8 variable[];
 347 } __packed __aligned(2);
 348
 349 /**
 350  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 351  * @fc: frame control bytes in little-endian byteorder
 352  */
 353 static inline bool ieee80211_has_tods(__le16 fc)
 354 {
 355         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 356 }
 357
 358 /**
 359  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 360  * @fc: frame control bytes in little-endian byteorder
 361  */
 362 static inline bool ieee80211_has_fromds(__le16 fc)
 363 {
 364         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 365 }
 366
 367 /**
 368  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 369  * @fc: frame control bytes in little-endian byteorder
 370  */
 371 static inline bool ieee80211_has_a4(__le16 fc)
 372 {
 373         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 374         return (fc & tmp) == tmp;
 375 }
 376
 377 /**
 378  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_has_morefrags(__le16 fc)
 382 {
 383         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 384 }
 385
 386 /**
 387  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 388  * @fc: frame control bytes in little-endian byteorder
 389  */
 390 static inline bool ieee80211_has_retry(__le16 fc)
 391 {
 392         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 393 }
 394
 395 /**
 396  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 397  * @fc: frame control bytes in little-endian byteorder
 398  */
 399 static inline bool ieee80211_has_pm(__le16 fc)
 400 {
 401         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 402 }
 403
 404 /**
 405  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 406  * @fc: frame control bytes in little-endian byteorder
 407  */
 408 static inline bool ieee80211_has_moredata(__le16 fc)
 409 {
 410         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 411 }
 412
 413 /**
 414  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 415  * @fc: frame control bytes in little-endian byteorder
 416  */
 417 static inline bool ieee80211_has_protected(__le16 fc)
 418 {
 419         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 420 }
 421
 422 /**
 423  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 424  * @fc: frame control bytes in little-endian byteorder
 425  */
 426 static inline bool ieee80211_has_order(__le16 fc)
 427 {
 428         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 429 }
 430
 431 /**
 432  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 433  * @fc: frame control bytes in little-endian byteorder
 434  */
 435 static inline bool ieee80211_is_mgmt(__le16 fc)
 436 {
 437         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 438                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 439 }
 440
 441 /**
 442  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 443  * @fc: frame control bytes in little-endian byteorder
 444  */
 445 static inline bool ieee80211_is_ctl(__le16 fc)
 446 {
 447         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 448                cpu_to_le16(IEEE80211_FTYPE_CTL);
 449 }
 450
 451 /**
 452  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 453  * @fc: frame control bytes in little-endian byteorder
 454  */
 455 static inline bool ieee80211_is_data(__le16 fc)
 456 {
 457         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 458                cpu_to_le16(IEEE80211_FTYPE_DATA);
 459 }
 460
 461 /**
 462  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 463  * @fc: frame control bytes in little-endian byteorder
 464  */
 465 static inline bool ieee80211_is_ext(__le16 fc)
 466 {
 467         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 468                cpu_to_le16(IEEE80211_FTYPE_EXT);
 469 }
 470
 471
 472 /**
 473  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 474  * @fc: frame control bytes in little-endian byteorder
 475  */
 476 static inline bool ieee80211_is_data_qos(__le16 fc)
 477 {
 478         /*
 479          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 480          * to check the one bit
 481          */
 482         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 483                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 484 }
 485
 486 /**
 487  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 488  * @fc: frame control bytes in little-endian byteorder
 489  */
 490 static inline bool ieee80211_is_data_present(__le16 fc)
 491 {
 492         /*
 493          * mask with 0x40 and test that that bit is clear to only return true
 494          * for the data-containing substypes.
 495          */
 496         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 497                cpu_to_le16(IEEE80211_FTYPE_DATA);
 498 }
 499
 500 /**
 501  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 502  * @fc: frame control bytes in little-endian byteorder
 503  */
 504 static inline bool ieee80211_is_assoc_req(__le16 fc)
 505 {
 506         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 507                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 508 }
 509
 510 /**
 511  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 512  * @fc: frame control bytes in little-endian byteorder
 513  */
 514 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 515 {
 516         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 517                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 518 }
 519
 520 /**
 521  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 522  * @fc: frame control bytes in little-endian byteorder
 523  */
 524 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 525 {
 526         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 527                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 528 }
 529
 530 /**
 531  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 532  * @fc: frame control bytes in little-endian byteorder
 533  */
 534 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 535 {
 536         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 537                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 538 }
 539
 540 /**
 541  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 542  * @fc: frame control bytes in little-endian byteorder
 543  */
 544 static inline bool ieee80211_is_probe_req(__le16 fc)
 545 {
 546         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 547                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 548 }
 549
 550 /**
 551  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 552  * @fc: frame control bytes in little-endian byteorder
 553  */
 554 static inline bool ieee80211_is_probe_resp(__le16 fc)
 555 {
 556         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 557                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 558 }
 559
 560 /**
 561  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 562  * @fc: frame control bytes in little-endian byteorder
 563  */
 564 static inline bool ieee80211_is_beacon(__le16 fc)
 565 {
 566         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 567                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 568 }
 569
 570 /**
 571  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 572  * IEEE80211_STYPE_S1G_BEACON
 573  * @fc: frame control bytes in little-endian byteorder
 574  */
 575 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 576 {
 577         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 578                                  IEEE80211_FCTL_STYPE)) ==
 579                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 580 }
 581
 582 /**
 583  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 584  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 585  * @fc: frame control bytes in little-endian byteorder
 586  */
 587 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 588 {
 589         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 590                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 591                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 592 }
 593
 594 /**
 595  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 596  * true for S1G beacons when they're short.
 597  * @fc: frame control bytes in little-endian byteorder
 598  */
 599 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 600 {
 601         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 602 }
 603
 604 /**
 605  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 606  * @fc: frame control bytes in little-endian byteorder
 607  */
 608 static inline bool ieee80211_is_atim(__le16 fc)
 609 {
 610         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 611                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 612 }
 613
 614 /**
 615  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 616  * @fc: frame control bytes in little-endian byteorder
 617  */
 618 static inline bool ieee80211_is_disassoc(__le16 fc)
 619 {
 620         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 621                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 622 }
 623
 624 /**
 625  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 626  * @fc: frame control bytes in little-endian byteorder
 627  */
 628 static inline bool ieee80211_is_auth(__le16 fc)
 629 {
 630         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 631                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 632 }
 633
 634 /**
 635  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 636  * @fc: frame control bytes in little-endian byteorder
 637  */
 638 static inline bool ieee80211_is_deauth(__le16 fc)
 639 {
 640         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 641                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 642 }
 643
 644 /**
 645  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 646  * @fc: frame control bytes in little-endian byteorder
 647  */
 648 static inline bool ieee80211_is_action(__le16 fc)
 649 {
 650         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 651                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 652 }
 653
 654 /**
 655  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 656  * @fc: frame control bytes in little-endian byteorder
 657  */
 658 static inline bool ieee80211_is_back_req(__le16 fc)
 659 {
 660         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 661                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 662 }
 663
 664 /**
 665  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 666  * @fc: frame control bytes in little-endian byteorder
 667  */
 668 static inline bool ieee80211_is_back(__le16 fc)
 669 {
 670         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 671                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 672 }
 673
 674 /**
 675  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 676  * @fc: frame control bytes in little-endian byteorder
 677  */
 678 static inline bool ieee80211_is_pspoll(__le16 fc)
 679 {
 680         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 681                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 682 }
 683
 684 /**
 685  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 686  * @fc: frame control bytes in little-endian byteorder
 687  */
 688 static inline bool ieee80211_is_rts(__le16 fc)
 689 {
 690         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 691                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 692 }
 693
 694 /**
 695  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 696  * @fc: frame control bytes in little-endian byteorder
 697  */
 698 static inline bool ieee80211_is_cts(__le16 fc)
 699 {
 700         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 701                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 702 }
 703
 704 /**
 705  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 706  * @fc: frame control bytes in little-endian byteorder
 707  */
 708 static inline bool ieee80211_is_ack(__le16 fc)
 709 {
 710         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 711                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 712 }
 713
 714 /**
 715  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 716  * @fc: frame control bytes in little-endian byteorder
 717  */
 718 static inline bool ieee80211_is_cfend(__le16 fc)
 719 {
 720         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 721                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 722 }
 723
 724 /**
 725  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 726  * @fc: frame control bytes in little-endian byteorder
 727  */
 728 static inline bool ieee80211_is_cfendack(__le16 fc)
 729 {
 730         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 731                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 732 }
 733
 734 /**
 735  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 736  * @fc: frame control bytes in little-endian byteorder
 737  */
 738 static inline bool ieee80211_is_nullfunc(__le16 fc)
 739 {
 740         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 741                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 742 }
 743
 744 /**
 745  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 746  * @fc: frame control bytes in little-endian byteorder
 747  */
 748 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 749 {
 750         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 751                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 752 }
 753
 754 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 755 {
 756         unsigned int hdrlen = 24;
 757
 758         if (ieee80211_has_a4(fc))
 759                 hdrlen = 30;
 760
 761         if (ieee80211_is_data_qos(fc)) {
 762                 hdrlen += IEEE80211_QOS_CTL_LEN;
 763                 if (ieee80211_has_order(fc))
 764                         hdrlen += IEEE80211_HT_CTL_LEN;
 765         }
 766
 767         return hdrlen;
 768 }
 769
 770 /**
 771  * ieee80211_is_trigger - check if frame is trigger frame
 772  * @fc: frame control field in little-endian byteorder
 773  */
 774 static inline bool ieee80211_is_trigger(__le16 fc)
 775 {
 776         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 777                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 778 }
 779
 780 /**
 781  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 782  * @fc: frame control bytes in little-endian byteorder
 783  */
 784 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 785 {
 786         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 787 }
 788
 789 /**
 790  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 791  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 792  */
 793 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 794 {
 795         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 796 }
 797
 798 /**
 799  * ieee80211_is_frag - check if a frame is a fragment
 800  * @hdr: 802.11 header of the frame
 801  */
 802 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 803 {
 804         return ieee80211_has_morefrags(hdr->frame_control) ||
 805                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 806 }
 807
 808 struct ieee80211s_hdr {
 809         u8 flags;
 810         u8 ttl;
 811         __le32 seqnum;
 812         u8 eaddr1[6];
 813         u8 eaddr2[6];
 814 } __packed __aligned(2);
 815
 816 /* Mesh flags */
 817 #define MESH_FLAGS_AE_A4        0x1
 818 #define MESH_FLAGS_AE_A5_A6     0x2
 819 #define MESH_FLAGS_AE           0x3
 820 #define MESH_FLAGS_PS_DEEP      0x4
 821
 822 /**
 823  * enum ieee80211_preq_flags - mesh PREQ element flags
 824  *
 825  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 826  */
 827 enum ieee80211_preq_flags {
 828         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 829 };
 830
 831 /**
 832  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 833  *
 834  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 835  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 836  */
 837 enum ieee80211_preq_target_flags {
 838         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 839         IEEE80211_PREQ_USN_FLAG = 1<<2,
 840 };
 841
 842 /**
 843  * struct ieee80211_quiet_ie
 844  *
 845  * This structure refers to "Quiet information element"
 846  */
 847 struct ieee80211_quiet_ie {
 848         u8 count;
 849         u8 period;
 850         __le16 duration;
 851         __le16 offset;
 852 } __packed;
 853
 854 /**
 855  * struct ieee80211_msrment_ie
 856  *
 857  * This structure refers to "Measurement Request/Report information element"
 858  */
 859 struct ieee80211_msrment_ie {
 860         u8 token;
 861         u8 mode;
 862         u8 type;
 863         u8 request[];
 864 } __packed;
 865
 866 /**
 867  * struct ieee80211_channel_sw_ie
 868  *
 869  * This structure refers to "Channel Switch Announcement information element"
 870  */
 871 struct ieee80211_channel_sw_ie {
 872         u8 mode;
 873         u8 new_ch_num;
 874         u8 count;
 875 } __packed;
 876
 877 /**
 878  * struct ieee80211_ext_chansw_ie
 879  *
 880  * This structure represents the "Extended Channel Switch Announcement element"
 881  */
 882 struct ieee80211_ext_chansw_ie {
 883         u8 mode;
 884         u8 new_operating_class;
 885         u8 new_ch_num;
 886         u8 count;
 887 } __packed;
 888
 889 /**
 890  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 891  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 892  *      values here
 893  * This structure represents the "Secondary Channel Offset element"
 894  */
 895 struct ieee80211_sec_chan_offs_ie {
 896         u8 sec_chan_offs;
 897 } __packed;
 898
 899 /**
 900  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 901  *
 902  * This structure represents the "Mesh Channel Switch Paramters element"
 903  */
 904 struct ieee80211_mesh_chansw_params_ie {
 905         u8 mesh_ttl;
 906         u8 mesh_flags;
 907         __le16 mesh_reason;
 908         __le16 mesh_pre_value;
 909 } __packed;
 910
 911 /**
 912  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 913  */
 914 struct ieee80211_wide_bw_chansw_ie {
 915         u8 new_channel_width;
 916         u8 new_center_freq_seg0, new_center_freq_seg1;
 917 } __packed;
 918
 919 /**
 920  * struct ieee80211_tim
 921  *
 922  * This structure refers to "Traffic Indication Map information element"
 923  */
 924 struct ieee80211_tim_ie {
 925         u8 dtim_count;
 926         u8 dtim_period;
 927         u8 bitmap_ctrl;
 928         /* variable size: 1 - 251 bytes */
 929         u8 virtual_map[1];
 930 } __packed;
 931
 932 /**
 933  * struct ieee80211_meshconf_ie
 934  *
 935  * This structure refers to "Mesh Configuration information element"
 936  */
 937 struct ieee80211_meshconf_ie {
 938         u8 meshconf_psel;
 939         u8 meshconf_pmetric;
 940         u8 meshconf_congest;
 941         u8 meshconf_synch;
 942         u8 meshconf_auth;
 943         u8 meshconf_form;
 944         u8 meshconf_cap;
 945 } __packed;
 946
 947 /**
 948  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 949  *
 950  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 951  *      additional mesh peerings with other mesh STAs
 952  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 953  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 954  *      is ongoing
 955  */
 956 enum mesh_config_capab_flags {
 957         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 958         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 959         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 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[6];
 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[6];
1111                         __le32 timestamp;
1112                         u8 change_seq;
1113                         u8 variable[0];
1114                 } __packed s1g_beacon;
1115                 struct {
1116                         u8 sa[6];
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[6];
1171         u8 sa[6];
1172         u8 bssid[6];
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 __aligned(4) auth;
1182                 struct {
1183                         __le16 reason_code;
1184                 } __packed __aligned(4) deauth;
1185                 struct {
1186                         __le16 capab_info;
1187                         __le16 listen_interval;
1188                         /* followed by SSID and Supported rates */
1189                         u8 variable[];
1190                 } __packed __aligned(4) 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 __aligned(4) assoc_resp, reassoc_resp;
1198                 struct {
1199                         __le16 capab_info;
1200                         __le16 status_code;
1201                         u8 variable[];
1202                 } __packed __aligned(4) s1g_assoc_resp, s1g_reassoc_resp;
1203                 struct {
1204                         __le16 capab_info;
1205                         __le16 listen_interval;
1206                         u8 current_ap[6];
1207                         /* followed by SSID and Supported rates */
1208                         u8 variable[];
1209                 } __packed __aligned(4) reassoc_req;
1210                 struct {
1211                         __le16 reason_code;
1212                 } __packed __aligned(4) 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 __aligned(4) beacon;
1221                 struct {
1222                         /* only variable items: SSID, Supported rates */
1223                         DECLARE_FLEX_ARRAY(u8, variable);
1224                 } __packed __aligned(4) 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 __aligned(4) probe_resp;
1233                 struct {
1234                         u8 category;
1235                         union {
1236                                 struct {
1237                                         u8 action_code;
1238                                         u8 dialog_token;
1239                                         u8 status_code;
1240                                         u8 variable[];
1241                                 } __packed wme_action;
1242                                 struct{
1243                                         u8 action_code;
1244                                         u8 variable[];
1245                                 } __packed chan_switch;
1246                                 struct{
1247                                         u8 action_code;
1248                                         struct ieee80211_ext_chansw_ie data;
1249                                         u8 variable[];
1250                                 } __packed ext_chan_switch;
1251                                 struct{
1252                                         u8 action_code;
1253                                         u8 dialog_token;
1254                                         u8 element_id;
1255                                         u8 length;
1256                                         struct ieee80211_msrment_ie msr_elem;
1257                                 } __packed measurement;
1258                                 struct{
1259                                         u8 action_code;
1260                                         u8 dialog_token;
1261                                         __le16 capab;
1262                                         __le16 timeout;
1263                                         __le16 start_seq_num;
1264                                         /* followed by BA Extension */
1265                                         u8 variable[];
1266                                 } __packed addba_req;
1267                                 struct{
1268                                         u8 action_code;
1269                                         u8 dialog_token;
1270                                         __le16 status;
1271                                         __le16 capab;
1272                                         __le16 timeout;
1273                                 } __packed addba_resp;
1274                                 struct{
1275                                         u8 action_code;
1276                                         __le16 params;
1277                                         __le16 reason_code;
1278                                 } __packed delba;
1279                                 struct {
1280                                         u8 action_code;
1281                                         u8 variable[];
1282                                 } __packed self_prot;
1283                                 struct{
1284                                         u8 action_code;
1285                                         u8 variable[];
1286                                 } __packed mesh_action;
1287                                 struct {
1288                                         u8 action;
1289                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1290                                 } __packed sa_query;
1291                                 struct {
1292                                         u8 action;
1293                                         u8 smps_control;
1294                                 } __packed ht_smps;
1295                                 struct {
1296                                         u8 action_code;
1297                                         u8 chanwidth;
1298                                 } __packed ht_notify_cw;
1299                                 struct {
1300                                         u8 action_code;
1301                                         u8 dialog_token;
1302                                         __le16 capability;
1303                                         u8 variable[0];
1304                                 } __packed tdls_discover_resp;
1305                                 struct {
1306                                         u8 action_code;
1307                                         u8 operating_mode;
1308                                 } __packed vht_opmode_notif;
1309                                 struct {
1310                                         u8 action_code;
1311                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1312                                         u8 position[WLAN_USER_POSITION_LEN];
1313                                 } __packed vht_group_notif;
1314                                 struct {
1315                                         u8 action_code;
1316                                         u8 dialog_token;
1317                                         u8 tpc_elem_id;
1318                                         u8 tpc_elem_length;
1319                                         struct ieee80211_tpc_report_ie tpc;
1320                                 } __packed tpc_report;
1321                                 struct {
1322                                         u8 action_code;
1323                                         u8 dialog_token;
1324                                         u8 follow_up;
1325                                         u8 tod[6];
1326                                         u8 toa[6];
1327                                         __le16 tod_error;
1328                                         __le16 toa_error;
1329                                         u8 variable[];
1330                                 } __packed ftm;
1331                                 struct {
1332                                         u8 action_code;
1333                                         u8 variable[];
1334                                 } __packed s1g;
1335                                 struct {
1336                                         u8 action_code;
1337                                         u8 dialog_token;
1338                                         u8 follow_up;
1339                                         u32 tod;
1340                                         u32 toa;
1341                                         u8 max_tod_error;
1342                                         u8 max_toa_error;
1343                                 } __packed wnm_timing_msr;
1344                         } u;
1345                 } __packed __aligned(4) action;
1346                 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1347         } u __aligned(2);
1348 } __packed __aligned(2);
1349
1350 /* Supported rates membership selectors */
1351 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1352 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1353 #define BSS_MEMBERSHIP_SELECTOR_GLK     125
1354 #define BSS_MEMBERSHIP_SELECTOR_EPS     124
1355 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1356 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1357 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1358
1359 /* mgmt header + 1 byte category code */
1360 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1361
1362
1363 /* Management MIC information element (IEEE 802.11w) */
1364 struct ieee80211_mmie {
1365         u8 element_id;
1366         u8 length;
1367         __le16 key_id;
1368         u8 sequence_number[6];
1369         u8 mic[8];
1370 } __packed;
1371
1372 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1373 struct ieee80211_mmie_16 {
1374         u8 element_id;
1375         u8 length;
1376         __le16 key_id;
1377         u8 sequence_number[6];
1378         u8 mic[16];
1379 } __packed;
1380
1381 struct ieee80211_vendor_ie {
1382         u8 element_id;
1383         u8 len;
1384         u8 oui[3];
1385         u8 oui_type;
1386 } __packed;
1387
1388 struct ieee80211_wmm_ac_param {
1389         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1390         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1391         __le16 txop_limit;
1392 } __packed;
1393
1394 struct ieee80211_wmm_param_ie {
1395         u8 element_id; /* Element ID: 221 (0xdd); */
1396         u8 len; /* Length: 24 */
1397         /* required fields for WMM version 1 */
1398         u8 oui[3]; /* 00:50:f2 */
1399         u8 oui_type; /* 2 */
1400         u8 oui_subtype; /* 1 */
1401         u8 version; /* 1 for WMM version 1.0 */
1402         u8 qos_info; /* AP/STA specific QoS info */
1403         u8 reserved; /* 0 */
1404         /* AC_BE, AC_BK, AC_VI, AC_VO */
1405         struct ieee80211_wmm_ac_param ac[4];
1406 } __packed;
1407
1408 /* Control frames */
1409 struct ieee80211_rts {
1410         __le16 frame_control;
1411         __le16 duration;
1412         u8 ra[6];
1413         u8 ta[6];
1414 } __packed __aligned(2);
1415
1416 struct ieee80211_cts {
1417         __le16 frame_control;
1418         __le16 duration;
1419         u8 ra[6];
1420 } __packed __aligned(2);
1421
1422 struct ieee80211_pspoll {
1423         __le16 frame_control;
1424         __le16 aid;
1425         u8 bssid[6];
1426         u8 ta[6];
1427 } __packed __aligned(2);
1428
1429 /* TDLS */
1430
1431 /* Channel switch timing */
1432 struct ieee80211_ch_switch_timing {
1433         __le16 switch_time;
1434         __le16 switch_timeout;
1435 } __packed;
1436
1437 /* Link-id information element */
1438 struct ieee80211_tdls_lnkie {
1439         u8 ie_type; /* Link Identifier IE */
1440         u8 ie_len;
1441         u8 bssid[6];
1442         u8 init_sta[6];
1443         u8 resp_sta[6];
1444 } __packed;
1445
1446 struct ieee80211_tdls_data {
1447         u8 da[6];
1448         u8 sa[6];
1449         __be16 ether_type;
1450         u8 payload_type;
1451         u8 category;
1452         u8 action_code;
1453         union {
1454                 struct {
1455                         u8 dialog_token;
1456                         __le16 capability;
1457                         u8 variable[0];
1458                 } __packed setup_req;
1459                 struct {
1460                         __le16 status_code;
1461                         u8 dialog_token;
1462                         __le16 capability;
1463                         u8 variable[0];
1464                 } __packed setup_resp;
1465                 struct {
1466                         __le16 status_code;
1467                         u8 dialog_token;
1468                         u8 variable[0];
1469                 } __packed setup_cfm;
1470                 struct {
1471                         __le16 reason_code;
1472                         u8 variable[0];
1473                 } __packed teardown;
1474                 struct {
1475                         u8 dialog_token;
1476                         u8 variable[0];
1477                 } __packed discover_req;
1478                 struct {
1479                         u8 target_channel;
1480                         u8 oper_class;
1481                         u8 variable[0];
1482                 } __packed chan_switch_req;
1483                 struct {
1484                         __le16 status_code;
1485                         u8 variable[0];
1486                 } __packed chan_switch_resp;
1487         } u;
1488 } __packed;
1489
1490 /*
1491  * Peer-to-Peer IE attribute related definitions.
1492  */
1493 /**
1494  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1495  */
1496 enum ieee80211_p2p_attr_id {
1497         IEEE80211_P2P_ATTR_STATUS = 0,
1498         IEEE80211_P2P_ATTR_MINOR_REASON,
1499         IEEE80211_P2P_ATTR_CAPABILITY,
1500         IEEE80211_P2P_ATTR_DEVICE_ID,
1501         IEEE80211_P2P_ATTR_GO_INTENT,
1502         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1503         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1504         IEEE80211_P2P_ATTR_GROUP_BSSID,
1505         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1506         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1507         IEEE80211_P2P_ATTR_MANAGABILITY,
1508         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1509         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1510         IEEE80211_P2P_ATTR_DEVICE_INFO,
1511         IEEE80211_P2P_ATTR_GROUP_INFO,
1512         IEEE80211_P2P_ATTR_GROUP_ID,
1513         IEEE80211_P2P_ATTR_INTERFACE,
1514         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1515         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1516         /* 19 - 220: Reserved */
1517         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1518
1519         IEEE80211_P2P_ATTR_MAX
1520 };
1521
1522 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1523 /* Typical max value used here */
1524 #define IEEE80211_P2P_NOA_DESC_MAX      4
1525
1526 struct ieee80211_p2p_noa_desc {
1527         u8 count;
1528         __le32 duration;
1529         __le32 interval;
1530         __le32 start_time;
1531 } __packed;
1532
1533 struct ieee80211_p2p_noa_attr {
1534         u8 index;
1535         u8 oppps_ctwindow;
1536         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1537 } __packed;
1538
1539 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1540 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1541
1542 /**
1543  * struct ieee80211_bar - HT Block Ack Request
1544  *
1545  * This structure refers to "HT BlockAckReq" as
1546  * described in 802.11n draft section 7.2.1.7.1
1547  */
1548 struct ieee80211_bar {
1549         __le16 frame_control;
1550         __le16 duration;
1551         __u8 ra[6];
1552         __u8 ta[6];
1553         __le16 control;
1554         __le16 start_seq_num;
1555 } __packed __aligned(2);
1556
1557 /* 802.11 BA(R) control masks */
1558 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1559 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1560 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1561 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1562 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1563
1564 /**
1565  * struct ieee80211_ba - HT Block Ack
1566  *
1567  * This structure refers to "HT BlockAck" as
1568  * described in 802.11n draft section 7.2.1.8.1
1569  */
1570 struct ieee80211_ba {
1571         __le16 frame_control;
1572         __le16 duration;
1573         u8 ra[6];
1574         u8 ta[6];
1575         __le16 control;
1576
1577         __le16 start_seq_num;
1578         u8 bitmap[8];
1579 } __packed;
1580
1581 #define IEEE80211_HT_MCS_MASK_LEN               10
1582
1583 /**
1584  * struct ieee80211_mcs_info - MCS information
1585  * @rx_mask: RX mask
1586  * @rx_highest: highest supported RX rate. If set represents
1587  *      the highest supported RX data rate in units of 1 Mbps.
1588  *      If this field is 0 this value should not be used to
1589  *      consider the highest RX data rate supported.
1590  * @tx_params: TX parameters
1591  */
1592 struct ieee80211_mcs_info {
1593         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1594         __le16 rx_highest;
1595         u8 tx_params;
1596         u8 reserved[3];
1597 } __packed;
1598
1599 /* 802.11n HT capability MSC set */
1600 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1601 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1602 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1603 /* value 0 == 1 stream etc */
1604 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1605 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1606 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1607 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1608
1609 /*
1610  * 802.11n D5.0 20.3.5 / 20.6 says:
1611  * - indices 0 to 7 and 32 are single spatial stream
1612  * - 8 to 31 are multiple spatial streams using equal modulation
1613  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1614  * - remainder are multiple spatial streams using unequal modulation
1615  */
1616 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1617 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1618         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1619
1620 /**
1621  * struct ieee80211_ht_cap - HT capabilities
1622  *
1623  * This structure is the "HT capabilities element" as
1624  * described in 802.11n D5.0 7.3.2.57
1625  */
1626 struct ieee80211_ht_cap {
1627         __le16 cap_info;
1628         u8 ampdu_params_info;
1629
1630         /* 16 bytes MCS information */
1631         struct ieee80211_mcs_info mcs;
1632
1633         __le16 extended_ht_cap_info;
1634         __le32 tx_BF_cap_info;
1635         u8 antenna_selection_info;
1636 } __packed;
1637
1638 /* 802.11n HT capabilities masks (for cap_info) */
1639 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1640 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1641 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1642 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1643 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1644 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1645 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1646 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1647 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1648 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1649 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1650 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1651 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1652 #define IEEE80211_HT_CAP_RESERVED               0x2000
1653 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1654 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1655
1656 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1657 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1658 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1659 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1660 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1661 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1662 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1663 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1664
1665 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1666 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1667 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1668 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1669
1670 /*
1671  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1672  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1673  */
1674 enum ieee80211_max_ampdu_length_exp {
1675         IEEE80211_HT_MAX_AMPDU_8K = 0,
1676         IEEE80211_HT_MAX_AMPDU_16K = 1,
1677         IEEE80211_HT_MAX_AMPDU_32K = 2,
1678         IEEE80211_HT_MAX_AMPDU_64K = 3
1679 };
1680
1681 /*
1682  * Maximum length of AMPDU that the STA can receive in VHT.
1683  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1684  */
1685 enum ieee80211_vht_max_ampdu_length_exp {
1686         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1687         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1688         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1689         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1690         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1691         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1692         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1693         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1694 };
1695
1696 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1697
1698 /* Minimum MPDU start spacing */
1699 enum ieee80211_min_mpdu_spacing {
1700         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1701         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1702         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1703         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1704         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1705         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1706         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1707         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1708 };
1709
1710 /**
1711  * struct ieee80211_ht_operation - HT operation IE
1712  *
1713  * This structure is the "HT operation element" as
1714  * described in 802.11n-2009 7.3.2.57
1715  */
1716 struct ieee80211_ht_operation {
1717         u8 primary_chan;
1718         u8 ht_param;
1719         __le16 operation_mode;
1720         __le16 stbc_param;
1721         u8 basic_set[16];
1722 } __packed;
1723
1724 /* for ht_param */
1725 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1726 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1727 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1728 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1729 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1730 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1731
1732 /* for operation_mode */
1733 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1734 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1735 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1736 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1737 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1738 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1739 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1740 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1741 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1742
1743 /* for stbc_param */
1744 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1745 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1746 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1747 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1748 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1749 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1750
1751
1752 /* block-ack parameters */
1753 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1754 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1755 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1756 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1757 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1758 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1759
1760 /*
1761  * A-MPDU buffer sizes
1762  * According to HT size varies from 8 to 64 frames
1763  * HE adds the ability to have up to 256 frames.
1764  * EHT adds the ability to have up to 1K frames.
1765  */
1766 #define IEEE80211_MIN_AMPDU_BUF         0x8
1767 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1768 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1769 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1770
1771
1772 /* Spatial Multiplexing Power Save Modes (for capability) */
1773 #define WLAN_HT_CAP_SM_PS_STATIC        0
1774 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1775 #define WLAN_HT_CAP_SM_PS_INVALID       2
1776 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1777
1778 /* for SM power control field lower two bits */
1779 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1780 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1781 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1782
1783 /**
1784  * struct ieee80211_vht_mcs_info - VHT MCS information
1785  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1786  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1787  *      STA can receive. Rate expressed in units of 1 Mbps.
1788  *      If this field is 0 this value should not be used to
1789  *      consider the highest RX data rate supported.
1790  *      The top 3 bits of this field indicate the Maximum NSTS,total
1791  *      (a beamformee capability.)
1792  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1793  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1794  *      STA can transmit. Rate expressed in units of 1 Mbps.
1795  *      If this field is 0 this value should not be used to
1796  *      consider the highest TX data rate supported.
1797  *      The top 2 bits of this field are reserved, the
1798  *      3rd bit from the top indiciates VHT Extended NSS BW
1799  *      Capability.
1800  */
1801 struct ieee80211_vht_mcs_info {
1802         __le16 rx_mcs_map;
1803         __le16 rx_highest;
1804         __le16 tx_mcs_map;
1805         __le16 tx_highest;
1806 } __packed;
1807
1808 /* for rx_highest */
1809 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1810 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1811
1812 /* for tx_highest */
1813 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1814
1815 /**
1816  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1817  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1818  *      number of streams
1819  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1820  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1821  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1822  *
1823  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1824  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1825  * both split into 8 subfields by number of streams. These values indicate
1826  * which MCSes are supported for the number of streams the value appears
1827  * for.
1828  */
1829 enum ieee80211_vht_mcs_support {
1830         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1831         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1832         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1833         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1834 };
1835
1836 /**
1837  * struct ieee80211_vht_cap - VHT capabilities
1838  *
1839  * This structure is the "VHT capabilities element" as
1840  * described in 802.11ac D3.0 8.4.2.160
1841  * @vht_cap_info: VHT capability info
1842  * @supp_mcs: VHT MCS supported rates
1843  */
1844 struct ieee80211_vht_cap {
1845         __le32 vht_cap_info;
1846         struct ieee80211_vht_mcs_info supp_mcs;
1847 } __packed;
1848
1849 /**
1850  * enum ieee80211_vht_chanwidth - VHT channel width
1851  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1852  *      determine the channel width (20 or 40 MHz)
1853  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1854  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1855  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1856  */
1857 enum ieee80211_vht_chanwidth {
1858         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1859         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1860         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1861         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1862 };
1863
1864 /**
1865  * struct ieee80211_vht_operation - VHT operation IE
1866  *
1867  * This structure is the "VHT operation element" as
1868  * described in 802.11ac D3.0 8.4.2.161
1869  * @chan_width: Operating channel width
1870  * @center_freq_seg0_idx: center freq segment 0 index
1871  * @center_freq_seg1_idx: center freq segment 1 index
1872  * @basic_mcs_set: VHT Basic MCS rate set
1873  */
1874 struct ieee80211_vht_operation {
1875         u8 chan_width;
1876         u8 center_freq_seg0_idx;
1877         u8 center_freq_seg1_idx;
1878         __le16 basic_mcs_set;
1879 } __packed;
1880
1881 /**
1882  * struct ieee80211_he_cap_elem - HE capabilities element
1883  *
1884  * This structure is the "HE capabilities element" fixed fields as
1885  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1886  */
1887 struct ieee80211_he_cap_elem {
1888         u8 mac_cap_info[6];
1889         u8 phy_cap_info[11];
1890 } __packed;
1891
1892 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1893
1894 /**
1895  * enum ieee80211_he_mcs_support - HE MCS support definitions
1896  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1897  *      number of streams
1898  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1899  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1900  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1901  *
1902  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1903  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1904  * both split into 8 subfields by number of streams. These values indicate
1905  * which MCSes are supported for the number of streams the value appears
1906  * for.
1907  */
1908 enum ieee80211_he_mcs_support {
1909         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1910         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1911         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1912         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1913 };
1914
1915 /**
1916  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1917  *
1918  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1919  * described in P802.11ax_D2.0 section 9.4.2.237.4
1920  *
1921  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1922  *     widths less than 80MHz.
1923  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1924  *     widths less than 80MHz.
1925  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1926  *     width 160MHz.
1927  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1928  *     width 160MHz.
1929  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1930  *     channel width 80p80MHz.
1931  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1932  *     channel width 80p80MHz.
1933  */
1934 struct ieee80211_he_mcs_nss_supp {
1935         __le16 rx_mcs_80;
1936         __le16 tx_mcs_80;
1937         __le16 rx_mcs_160;
1938         __le16 tx_mcs_160;
1939         __le16 rx_mcs_80p80;
1940         __le16 tx_mcs_80p80;
1941 } __packed;
1942
1943 /**
1944  * struct ieee80211_he_operation - HE capabilities element
1945  *
1946  * This structure is the "HE operation element" fields as
1947  * described in P802.11ax_D4.0 section 9.4.2.243
1948  */
1949 struct ieee80211_he_operation {
1950         __le32 he_oper_params;
1951         __le16 he_mcs_nss_set;
1952         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1953         u8 optional[];
1954 } __packed;
1955
1956 /**
1957  * struct ieee80211_he_spr - HE spatial reuse element
1958  *
1959  * This structure is the "HE spatial reuse element" element as
1960  * described in P802.11ax_D4.0 section 9.4.2.241
1961  */
1962 struct ieee80211_he_spr {
1963         u8 he_sr_control;
1964         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1965         u8 optional[];
1966 } __packed;
1967
1968 /**
1969  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1970  *
1971  * This structure is the "MU AC Parameter Record" fields as
1972  * described in P802.11ax_D4.0 section 9.4.2.245
1973  */
1974 struct ieee80211_he_mu_edca_param_ac_rec {
1975         u8 aifsn;
1976         u8 ecw_min_max;
1977         u8 mu_edca_timer;
1978 } __packed;
1979
1980 /**
1981  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1982  *
1983  * This structure is the "MU EDCA Parameter Set element" fields as
1984  * described in P802.11ax_D4.0 section 9.4.2.245
1985  */
1986 struct ieee80211_mu_edca_param_set {
1987         u8 mu_qos_info;
1988         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1989         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1990         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1991         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1992 } __packed;
1993
1994 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1995 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1996
1997 /**
1998  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1999  * supported NSS for per MCS.
2000  *
2001  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2002  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2003  * for Tx.
2004  *
2005  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2006  *     supported for reception and the maximum number of spatial streams
2007  *     supported for transmission for MCS 0 - 7.
2008  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2009  *     supported for reception and the maximum number of spatial streams
2010  *     supported for transmission for MCS 8 - 9.
2011  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2012  *     supported for reception and the maximum number of spatial streams
2013  *     supported for transmission for MCS 10 - 11.
2014  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2015  *     supported for reception and the maximum number of spatial streams
2016  *     supported for transmission for MCS 12 - 13.
2017  * @rx_tx_max_nss: array of the previous fields for easier loop access
2018  */
2019 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2020         union {
2021                 struct {
2022                         u8 rx_tx_mcs7_max_nss;
2023                         u8 rx_tx_mcs9_max_nss;
2024                         u8 rx_tx_mcs11_max_nss;
2025                         u8 rx_tx_mcs13_max_nss;
2026                 };
2027                 u8 rx_tx_max_nss[4];
2028         };
2029 };
2030
2031 /**
2032  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2033  * 20MHz only stations).
2034  *
2035  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2036  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2037  * for Tx.
2038  *
2039  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2040  *     supported for reception and the maximum number of spatial streams
2041  *     supported for transmission for MCS 0 - 9.
2042  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2043  *     supported for reception and the maximum number of spatial streams
2044  *     supported for transmission for MCS 10 - 11.
2045  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2046  *     supported for reception and the maximum number of spatial streams
2047  *     supported for transmission for MCS 12 - 13.
2048  * @rx_tx_max_nss: array of the previous fields for easier loop access
2049  */
2050 struct ieee80211_eht_mcs_nss_supp_bw {
2051         union {
2052                 struct {
2053                         u8 rx_tx_mcs9_max_nss;
2054                         u8 rx_tx_mcs11_max_nss;
2055                         u8 rx_tx_mcs13_max_nss;
2056                 };
2057                 u8 rx_tx_max_nss[3];
2058         };
2059 };
2060
2061 /**
2062  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2063  *
2064  * This structure is the "EHT Capabilities element" fixed fields as
2065  * described in P802.11be_D2.0 section 9.4.2.313.
2066  *
2067  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2068  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2069  */
2070 struct ieee80211_eht_cap_elem_fixed {
2071         u8 mac_cap_info[2];
2072         u8 phy_cap_info[9];
2073 } __packed;
2074
2075 /**
2076  * struct ieee80211_eht_cap_elem - EHT capabilities element
2077  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2078  * @optional: optional parts
2079  */
2080 struct ieee80211_eht_cap_elem {
2081         struct ieee80211_eht_cap_elem_fixed fixed;
2082
2083         /*
2084          * Followed by:
2085          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2086          * EHT PPE Thresholds field: variable length.
2087          */
2088         u8 optional[];
2089 } __packed;
2090
2091 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2092 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2093 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2094 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2095 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2096
2097 /**
2098  * struct ieee80211_eht_operation - eht operation element
2099  *
2100  * This structure is the "EHT Operation Element" fields as
2101  * described in P802.11be_D2.0 section 9.4.2.311
2102  *
2103  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2104  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2105  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2106  *     receive.
2107  * @optional: optional parts
2108  */
2109 struct ieee80211_eht_operation {
2110         u8 params;
2111         struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2112         u8 optional[];
2113 } __packed;
2114
2115 /**
2116  * struct ieee80211_eht_operation_info - eht operation information
2117  *
2118  * @control: EHT operation information control.
2119  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2120  *     EHT BSS.
2121  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2122  * @optional: optional parts
2123  */
2124 struct ieee80211_eht_operation_info {
2125         u8 control;
2126         u8 ccfs0;
2127         u8 ccfs1;
2128         u8 optional[];
2129 } __packed;
2130
2131 /* 802.11ac VHT Capabilities */
2132 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2133 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2134 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2135 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2136 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2137 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2138 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2139 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2140 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2141 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2142 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2143 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2144 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2145 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2146 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2147 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2148 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2149 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2150 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2151 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2152 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2153 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2154                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2155 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2156 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2157                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2158 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2159 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2160 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2161 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2162 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2163 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2164                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2165 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2166 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2167 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2168 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2169 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2170 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2171
2172 /**
2173  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2174  * @cap: VHT capabilities of the peer
2175  * @bw: bandwidth to use
2176  * @mcs: MCS index to use
2177  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2178  *      (rate scaling algorithm) can deal with the new logic
2179  *      (dot11VHTExtendedNSSBWCapable)
2180  * @max_vht_nss: current maximum NSS as advertised by the STA in
2181  *      operating mode notification, can be 0 in which case the
2182  *      capability data will be used to derive this (from MCS support)
2183  *
2184  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2185  * vary for a given BW/MCS. This function parses the data.
2186  *
2187  * Note: This function is exported by cfg80211.
2188  */
2189 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2190                               enum ieee80211_vht_chanwidth bw,
2191                               int mcs, bool ext_nss_bw_capable,
2192                               unsigned int max_vht_nss);
2193
2194 /**
2195  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2196  *
2197  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2198  * @IEEE80211_REG_LPI: Indoor Access Point
2199  * @IEEE80211_REG_SP: Standard power Access Point
2200  * @IEEE80211_REG_VLP: Very low power Access Point
2201  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2202  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2203  */
2204 enum ieee80211_ap_reg_power {
2205         IEEE80211_REG_UNSET_AP,
2206         IEEE80211_REG_LPI_AP,
2207         IEEE80211_REG_SP_AP,
2208         IEEE80211_REG_VLP_AP,
2209         IEEE80211_REG_AP_POWER_AFTER_LAST,
2210         IEEE80211_REG_AP_POWER_MAX =
2211                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2212 };
2213
2214 /**
2215  * enum ieee80211_client_reg_power - regulatory power for a client
2216  *
2217  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2218  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2219  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2220  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2221  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2222  */
2223 enum ieee80211_client_reg_power {
2224         IEEE80211_REG_UNSET_CLIENT,
2225         IEEE80211_REG_DEFAULT_CLIENT,
2226         IEEE80211_REG_SUBORDINATE_CLIENT,
2227         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2228         IEEE80211_REG_CLIENT_POWER_MAX =
2229                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2230 };
2231
2232 /* 802.11ax HE MAC capabilities */
2233 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2234 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2235 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2236 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2237 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2238 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2239 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2240 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2241 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2242 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2243 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2244 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2245 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2246 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2247 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2248 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2249 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2250
2251 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2252 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2253 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2254 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2255 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2256 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2257 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2258 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2259 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2260 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2261 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2262 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2263 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2264 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2265 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2266 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2267 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2268 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2269
2270 /* Link adaptation is split between byte HE_MAC_CAP1 and
2271  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2272  * in which case the following values apply:
2273  * 0 = No feedback.
2274  * 1 = reserved.
2275  * 2 = Unsolicited feedback.
2276  * 3 = both
2277  */
2278 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2279
2280 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2281 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2282 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2283 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2284 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2285 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2286 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2287 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2288
2289 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2290 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2291
2292 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2293  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2294  * same field in the HE capabilities.
2295  */
2296 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2297 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2298 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2299 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2300 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2301 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2302 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2303 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2304
2305 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2306 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2307 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2308 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2309 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2310 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2311 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2312 /* Multi TID agg TX is split between byte #4 and #5
2313  * The value is a combination of B39,B40,B41
2314  */
2315 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2316
2317 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2318 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2319 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2320 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2321 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2322 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2323 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2324 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2325
2326 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2327 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2328 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2329
2330 /* 802.11ax HE PHY capabilities */
2331 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2332 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2333 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2334 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2335 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2336
2337 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2338 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2339 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2340
2341 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2342 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2343 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2344 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2345 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2346 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2347 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2348 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2349 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2350 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2351
2352 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2353 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2354 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2355 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2356 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2357 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2358
2359 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2360  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2361  * case it indicates support for Tx.
2362  */
2363 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2364 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2365
2366 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2367 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2368 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2369 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2370 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2371 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2372 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2373 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2374 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2375 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2376 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2377 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2378 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2379 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2380 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2381 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2382
2383 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2384 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2385
2386 /* Minimal allowed value of Max STS under 80MHz is 3 */
2387 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2388 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2389 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2390 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2391 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2392 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2393
2394 /* Minimal allowed value of Max STS above 80MHz is 3 */
2395 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2396 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2397 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2398 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2399 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2400 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2401
2402 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2403 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2404 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2405 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2406 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2407 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2408 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2409 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2410 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2411
2412 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2413 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2414 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2415 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2416 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2417 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2418 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2419 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2420 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2421
2422 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2423 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2424
2425 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2426 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2427 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2428 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2429 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2430 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2431 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2432 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2433
2434 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2435 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2436 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2437 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2438 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2439 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2440 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2441 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2442 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2443 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2444 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2445 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2446 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2447
2448 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2449 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2450 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2451 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2452 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2453 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2454 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2455 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2456 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2457 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2458 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2459
2460 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2461 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2462 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2463 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2464 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2465 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2466 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2467 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2468 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2469 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2470 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2471 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2472
2473 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2474
2475 /* 802.11ax HE TX/RX MCS NSS Support  */
2476 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2477 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2478 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2479 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2480 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2481
2482 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2483 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2484         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2485         HIGHEST_MCS_SUPPORTED_MCS8,
2486         HIGHEST_MCS_SUPPORTED_MCS9,
2487         HIGHEST_MCS_SUPPORTED_MCS10,
2488         HIGHEST_MCS_SUPPORTED_MCS11,
2489 };
2490
2491 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2492 static inline u8
2493 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2494 {
2495         u8 count = 4;
2496
2497         if (he_cap->phy_cap_info[0] &
2498             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2499                 count += 4;
2500
2501         if (he_cap->phy_cap_info[0] &
2502             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2503                 count += 4;
2504
2505         return count;
2506 }
2507
2508 /* 802.11ax HE PPE Thresholds */
2509 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2510 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2511 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2512 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2513         (BIT(5) | BIT(6))
2514 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2515 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2516 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2517 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2518
2519 /*
2520  * Calculate 802.11ax HE capabilities IE PPE field size
2521  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2522  */
2523 static inline u8
2524 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2525 {
2526         u8 n;
2527
2528         if ((phy_cap_info[6] &
2529              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2530                 return 0;
2531
2532         n = hweight8(ppe_thres_hdr &
2533                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2534         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2535                    IEEE80211_PPE_THRES_NSS_POS));
2536
2537         /*
2538          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2539          * total size.
2540          */
2541         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2542         n = DIV_ROUND_UP(n, 8);
2543
2544         return n;
2545 }
2546
2547 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2548 {
2549         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2550         u8 needed = sizeof(*he_cap_ie_elem);
2551
2552         if (len < needed)
2553                 return false;
2554
2555         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2556         if (len < needed)
2557                 return false;
2558
2559         if (he_cap_ie_elem->phy_cap_info[6] &
2560                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2561                 if (len < needed + 1)
2562                         return false;
2563                 needed += ieee80211_he_ppe_size(data[needed],
2564                                                 he_cap_ie_elem->phy_cap_info);
2565         }
2566
2567         return len >= needed;
2568 }
2569
2570 /* HE Operation defines */
2571 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2572 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2573 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2574 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2575 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2576 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2577 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2578 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2579 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2580 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2581 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2582 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2583
2584 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2585 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2586
2587 /**
2588  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2589  * @primary: primary channel
2590  * @control: control flags
2591  * @ccfs0: channel center frequency segment 0
2592  * @ccfs1: channel center frequency segment 1
2593  * @minrate: minimum rate (in 1 Mbps units)
2594  */
2595 struct ieee80211_he_6ghz_oper {
2596         u8 primary;
2597 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2598 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2599 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2600 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2601 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2602 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2603 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2604         u8 control;
2605         u8 ccfs0;
2606         u8 ccfs1;
2607         u8 minrate;
2608 } __packed;
2609
2610 /*
2611  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2612  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2613  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2614  * Info subfield encoding in the United States".
2615  * So it it totally max 8 Transmit Power Envelope element.
2616  */
2617 #define IEEE80211_TPE_MAX_IE_COUNT      8
2618 /*
2619  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2620  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2621  */
2622 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2623
2624 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2625
2626 /* transmit power interpretation type of transmit power envelope element */
2627 enum ieee80211_tx_power_intrpt_type {
2628         IEEE80211_TPE_LOCAL_EIRP,
2629         IEEE80211_TPE_LOCAL_EIRP_PSD,
2630         IEEE80211_TPE_REG_CLIENT_EIRP,
2631         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2632 };
2633
2634 /**
2635  * struct ieee80211_tx_pwr_env
2636  *
2637  * This structure represents the "Transmit Power Envelope element"
2638  */
2639 struct ieee80211_tx_pwr_env {
2640         u8 tx_power_info;
2641         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2642 } __packed;
2643
2644 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2645 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2646 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2647
2648 /*
2649  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2650  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2651  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2652  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2653  *      validated this.
2654  * @return the actual size of the IE data (not including header), or 0 on error
2655  */
2656 static inline u8
2657 ieee80211_he_oper_size(const u8 *he_oper_ie)
2658 {
2659         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2660         u8 oper_len = sizeof(struct ieee80211_he_operation);
2661         u32 he_oper_params;
2662
2663         /* Make sure the input is not NULL */
2664         if (!he_oper_ie)
2665                 return 0;
2666
2667         /* Calc required length */
2668         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2669         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2670                 oper_len += 3;
2671         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2672                 oper_len++;
2673         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2674                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2675
2676         /* Add the first byte (extension ID) to the total length */
2677         oper_len++;
2678
2679         return oper_len;
2680 }
2681
2682 /**
2683  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2684  * @he_oper: HE operation element (must be pre-validated for size)
2685  *      but may be %NULL
2686  *
2687  * Return: a pointer to the 6 GHz operation field, or %NULL
2688  */
2689 static inline const struct ieee80211_he_6ghz_oper *
2690 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2691 {
2692         const u8 *ret = (const void *)&he_oper->optional;
2693         u32 he_oper_params;
2694
2695         if (!he_oper)
2696                 return NULL;
2697
2698         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2699
2700         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2701                 return NULL;
2702         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2703                 ret += 3;
2704         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2705                 ret++;
2706
2707         return (const void *)ret;
2708 }
2709
2710 /* HE Spatial Reuse defines */
2711 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2712 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2713 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2714 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2715 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2716
2717 /*
2718  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2719  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2720  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2721  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2722  *      this
2723  * @return the actual size of the IE data (not including header), or 0 on error
2724  */
2725 static inline u8
2726 ieee80211_he_spr_size(const u8 *he_spr_ie)
2727 {
2728         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2729         u8 spr_len = sizeof(struct ieee80211_he_spr);
2730         u8 he_spr_params;
2731
2732         /* Make sure the input is not NULL */
2733         if (!he_spr_ie)
2734                 return 0;
2735
2736         /* Calc required length */
2737         he_spr_params = he_spr->he_sr_control;
2738         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2739                 spr_len++;
2740         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2741                 spr_len += 18;
2742
2743         /* Add the first byte (extension ID) to the total length */
2744         spr_len++;
2745
2746         return spr_len;
2747 }
2748
2749 /* S1G Capabilities Information field */
2750 #define IEEE80211_S1G_CAPABILITY_LEN    15
2751
2752 #define S1G_CAP0_S1G_LONG       BIT(0)
2753 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2754 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2755 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2756 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2757 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2758 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2759
2760 #define S1G_SUPP_CH_WIDTH_2     0
2761 #define S1G_SUPP_CH_WIDTH_4     1
2762 #define S1G_SUPP_CH_WIDTH_8     2
2763 #define S1G_SUPP_CH_WIDTH_16    3
2764 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2765                                                     cap[0])) << 1)
2766
2767 #define S1G_CAP1_RX_LDPC        BIT(0)
2768 #define S1G_CAP1_TX_STBC        BIT(1)
2769 #define S1G_CAP1_RX_STBC        BIT(2)
2770 #define S1G_CAP1_SU_BFER        BIT(3)
2771 #define S1G_CAP1_SU_BFEE        BIT(4)
2772 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2773
2774 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2775 #define S1G_CAP2_MU_BFER                BIT(3)
2776 #define S1G_CAP2_MU_BFEE                BIT(4)
2777 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2778 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2779
2780 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2781 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2782 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2783 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2784 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2785
2786 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2787 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2788 #define S1G_CAP4_BAT            BIT(2)
2789 #define S1G_CAP4_TIME_ADE       BIT(3)
2790 #define S1G_CAP4_NON_TIM        BIT(4)
2791 #define S1G_CAP4_GROUP_AID      BIT(5)
2792 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2793
2794 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2795 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2796 #define S1G_CAP5_AMSDU                  BIT(2)
2797 #define S1G_CAP5_AMPDU                  BIT(3)
2798 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2799 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2800 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2801
2802 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2803 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2804 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2805 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2806 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2807 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2808 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2809
2810 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2811 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2812 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2813 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2814 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2815 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2816 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2817 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2818
2819 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2820 #define S1G_CAP8_BDT            BIT(1)
2821 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2822 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2823 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2824 #define S1G_CAP8_PV1_FRAME      BIT(7)
2825
2826 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2827
2828 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2829 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2830
2831 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2832 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2833 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2834 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2835 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2836 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2837 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2838 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2839 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2840 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2841 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2842
2843 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2844
2845 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2846 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2847 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2848 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2849 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2850 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2851 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2852
2853 /* EHT beamformee number of spatial streams <= 80MHz is split */
2854 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2855 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2856
2857 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2858 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2859
2860 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2861 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2862
2863 /* EHT number of sounding dimensions for 320MHz is split */
2864 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2865 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2866 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2867 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2868 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2869 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2870 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2871 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2872 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2873
2874 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2875 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2876 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2877 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2878 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2879
2880 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2881 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2882 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2883 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2884 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2885 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2886 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2887 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2888 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2889
2890 /* Maximum number of supported EHT LTF is split */
2891 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2892 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF               0x40
2893 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2894
2895 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2896 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2897
2898 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2899 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2900 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2901 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2902 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2903 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2904 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2905 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2906
2907 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2908 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2909
2910 /*
2911  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2912  */
2913 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2914 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2915 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2916 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2917 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2918 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2919
2920 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2921 static inline u8
2922 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2923                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2924                            bool from_ap)
2925 {
2926         u8 count = 0;
2927
2928         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2929         if (he_cap->phy_cap_info[0] &
2930             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2931                 return 3;
2932
2933         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2934         if (he_cap->phy_cap_info[0] &
2935             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2936                 count += 3;
2937
2938         if (he_cap->phy_cap_info[0] &
2939             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2940                 count += 3;
2941
2942         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2943                 count += 3;
2944
2945         if (count)
2946                 return count;
2947
2948         return from_ap ? 3 : 4;
2949 }
2950
2951 /* 802.11be EHT PPE Thresholds */
2952 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2953 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2954 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2955 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2956 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2957
2958 /*
2959  * Calculate 802.11be EHT capabilities IE EHT field size
2960  */
2961 static inline u8
2962 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2963 {
2964         u32 n;
2965
2966         if (!(phy_cap_info[5] &
2967               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2968                 return 0;
2969
2970         n = hweight16(ppe_thres_hdr &
2971                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2972         n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
2973
2974         /*
2975          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2976          * total size.
2977          */
2978         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2979             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2980         return DIV_ROUND_UP(n, 8);
2981 }
2982
2983 static inline bool
2984 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2985                            bool from_ap)
2986 {
2987         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2988         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2989
2990         if (len < needed || !he_capa)
2991                 return false;
2992
2993         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2994                                              (const void *)data,
2995                                              from_ap);
2996         if (len < needed)
2997                 return false;
2998
2999         if (elem->phy_cap_info[5] &
3000                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3001                 u16 ppe_thres_hdr;
3002
3003                 if (len < needed + sizeof(ppe_thres_hdr))
3004                         return false;
3005
3006                 ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
3007                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3008                                                  elem->phy_cap_info);
3009         }
3010
3011         return len >= needed;
3012 }
3013
3014 static inline bool
3015 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3016 {
3017         const struct ieee80211_eht_operation *elem = (const void *)data;
3018         u8 needed = sizeof(*elem);
3019
3020         if (len < needed)
3021                 return false;
3022
3023         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3024                 needed += 3;
3025
3026                 if (elem->params &
3027                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3028                         needed += 2;
3029         }
3030
3031         return len >= needed;
3032 }
3033
3034 #define LISTEN_INT_USF  GENMASK(15, 14)
3035 #define LISTEN_INT_UI   GENMASK(13, 0)
3036
3037 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3038 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3039
3040 /* Authentication algorithms */
3041 #define WLAN_AUTH_OPEN 0
3042 #define WLAN_AUTH_SHARED_KEY 1
3043 #define WLAN_AUTH_FT 2
3044 #define WLAN_AUTH_SAE 3
3045 #define WLAN_AUTH_FILS_SK 4
3046 #define WLAN_AUTH_FILS_SK_PFS 5
3047 #define WLAN_AUTH_FILS_PK 6
3048 #define WLAN_AUTH_LEAP 128
3049
3050 #define WLAN_AUTH_CHALLENGE_LEN 128
3051
3052 #define WLAN_CAPABILITY_ESS             (1<<0)
3053 #define WLAN_CAPABILITY_IBSS            (1<<1)
3054
3055 /*
3056  * A mesh STA sets the ESS and IBSS capability bits to zero.
3057  * however, this holds true for p2p probe responses (in the p2p_find
3058  * phase) as well.
3059  */
3060 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3061         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3062
3063 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3064 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3065 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3066 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3067 #define WLAN_CAPABILITY_PBCC            (1<<6)
3068 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3069
3070 /* 802.11h */
3071 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3072 #define WLAN_CAPABILITY_QOS             (1<<9)
3073 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3074 #define WLAN_CAPABILITY_APSD            (1<<11)
3075 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3076 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3077 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3078 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3079
3080 /* DMG (60gHz) 802.11ad */
3081 /* type - bits 0..1 */
3082 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3083 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3084 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3085 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3086
3087 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3088 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3089 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3090 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3091
3092 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3093 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3094
3095 /* measurement */
3096 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3097 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3098 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3099
3100 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3101 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3102 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3103 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3104 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3105
3106 /* 802.11g ERP information element */
3107 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3108 #define WLAN_ERP_USE_PROTECTION (1<<1)
3109 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3110
3111 /* WLAN_ERP_BARKER_PREAMBLE values */
3112 enum {
3113         WLAN_ERP_PREAMBLE_SHORT = 0,
3114         WLAN_ERP_PREAMBLE_LONG = 1,
3115 };
3116
3117 /* Band ID, 802.11ad #8.4.1.45 */
3118 enum {
3119         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3120         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3121         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3122         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3123         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3124         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3125 };
3126
3127 /* Status codes */
3128 enum ieee80211_statuscode {
3129         WLAN_STATUS_SUCCESS = 0,
3130         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3131         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3132         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3133         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3134         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3135         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3136         WLAN_STATUS_CHALLENGE_FAIL = 15,
3137         WLAN_STATUS_AUTH_TIMEOUT = 16,
3138         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3139         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3140         /* 802.11b */
3141         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3142         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3143         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3144         /* 802.11h */
3145         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3146         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3147         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3148         /* 802.11g */
3149         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3150         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3151         /* 802.11w */
3152         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3153         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3154         /* 802.11i */
3155         WLAN_STATUS_INVALID_IE = 40,
3156         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3157         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3158         WLAN_STATUS_INVALID_AKMP = 43,
3159         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3160         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3161         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3162         /* 802.11e */
3163         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3164         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3165         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3166         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3167         WLAN_STATUS_REQUEST_DECLINED = 37,
3168         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3169         WLAN_STATUS_CHANGE_TSPEC = 39,
3170         WLAN_STATUS_WAIT_TS_DELAY = 47,
3171         WLAN_STATUS_NO_DIRECT_LINK = 48,
3172         WLAN_STATUS_STA_NOT_PRESENT = 49,
3173         WLAN_STATUS_STA_NOT_QSTA = 50,
3174         /* 802.11s */
3175         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3176         WLAN_STATUS_FCG_NOT_SUPP = 78,
3177         WLAN_STATUS_STA_NO_TBTT = 78,
3178         /* 802.11ad */
3179         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3180         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3181         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3182         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3183         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3184         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3185         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3186         WLAN_STATUS_REJECT_DSE_BAND = 96,
3187         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3188         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3189         /* 802.11ai */
3190         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3191         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3192         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3193         WLAN_STATUS_SAE_PK = 127,
3194 };
3195
3196
3197 /* Reason codes */
3198 enum ieee80211_reasoncode {
3199         WLAN_REASON_UNSPECIFIED = 1,
3200         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3201         WLAN_REASON_DEAUTH_LEAVING = 3,
3202         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3203         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3204         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3205         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3206         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3207         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3208         /* 802.11h */
3209         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3210         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3211         /* 802.11i */
3212         WLAN_REASON_INVALID_IE = 13,
3213         WLAN_REASON_MIC_FAILURE = 14,
3214         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3215         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3216         WLAN_REASON_IE_DIFFERENT = 17,
3217         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3218         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3219         WLAN_REASON_INVALID_AKMP = 20,
3220         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3221         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3222         WLAN_REASON_IEEE8021X_FAILED = 23,
3223         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3224         /* TDLS (802.11z) */
3225         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3226         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3227         /* 802.11e */
3228         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3229         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3230         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3231         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3232         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3233         WLAN_REASON_QSTA_NOT_USE = 37,
3234         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3235         WLAN_REASON_QSTA_TIMEOUT = 39,
3236         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3237         /* 802.11s */
3238         WLAN_REASON_MESH_PEER_CANCELED = 52,
3239         WLAN_REASON_MESH_MAX_PEERS = 53,
3240         WLAN_REASON_MESH_CONFIG = 54,
3241         WLAN_REASON_MESH_CLOSE = 55,
3242         WLAN_REASON_MESH_MAX_RETRIES = 56,
3243         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3244         WLAN_REASON_MESH_INVALID_GTK = 58,
3245         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3246         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3247         WLAN_REASON_MESH_PATH_ERROR = 61,
3248         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3249         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3250         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3251         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3252         WLAN_REASON_MESH_CHAN = 66,
3253 };
3254
3255
3256 /* Information Element IDs */
3257 enum ieee80211_eid {
3258         WLAN_EID_SSID = 0,
3259         WLAN_EID_SUPP_RATES = 1,
3260         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3261         WLAN_EID_DS_PARAMS = 3,
3262         WLAN_EID_CF_PARAMS = 4,
3263         WLAN_EID_TIM = 5,
3264         WLAN_EID_IBSS_PARAMS = 6,
3265         WLAN_EID_COUNTRY = 7,
3266         /* 8, 9 reserved */
3267         WLAN_EID_REQUEST = 10,
3268         WLAN_EID_QBSS_LOAD = 11,
3269         WLAN_EID_EDCA_PARAM_SET = 12,
3270         WLAN_EID_TSPEC = 13,
3271         WLAN_EID_TCLAS = 14,
3272         WLAN_EID_SCHEDULE = 15,
3273         WLAN_EID_CHALLENGE = 16,
3274         /* 17-31 reserved for challenge text extension */
3275         WLAN_EID_PWR_CONSTRAINT = 32,
3276         WLAN_EID_PWR_CAPABILITY = 33,
3277         WLAN_EID_TPC_REQUEST = 34,
3278         WLAN_EID_TPC_REPORT = 35,
3279         WLAN_EID_SUPPORTED_CHANNELS = 36,
3280         WLAN_EID_CHANNEL_SWITCH = 37,
3281         WLAN_EID_MEASURE_REQUEST = 38,
3282         WLAN_EID_MEASURE_REPORT = 39,
3283         WLAN_EID_QUIET = 40,
3284         WLAN_EID_IBSS_DFS = 41,
3285         WLAN_EID_ERP_INFO = 42,
3286         WLAN_EID_TS_DELAY = 43,
3287         WLAN_EID_TCLAS_PROCESSING = 44,
3288         WLAN_EID_HT_CAPABILITY = 45,
3289         WLAN_EID_QOS_CAPA = 46,
3290         /* 47 reserved for Broadcom */
3291         WLAN_EID_RSN = 48,
3292         WLAN_EID_802_15_COEX = 49,
3293         WLAN_EID_EXT_SUPP_RATES = 50,
3294         WLAN_EID_AP_CHAN_REPORT = 51,
3295         WLAN_EID_NEIGHBOR_REPORT = 52,
3296         WLAN_EID_RCPI = 53,
3297         WLAN_EID_MOBILITY_DOMAIN = 54,
3298         WLAN_EID_FAST_BSS_TRANSITION = 55,
3299         WLAN_EID_TIMEOUT_INTERVAL = 56,
3300         WLAN_EID_RIC_DATA = 57,
3301         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3302         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3303         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3304         WLAN_EID_HT_OPERATION = 61,
3305         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3306         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3307         WLAN_EID_ANTENNA_INFO = 64,
3308         WLAN_EID_RSNI = 65,
3309         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3310         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3311         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3312         WLAN_EID_TIME_ADVERTISEMENT = 69,
3313         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3314         WLAN_EID_MULTIPLE_BSSID = 71,
3315         WLAN_EID_BSS_COEX_2040 = 72,
3316         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3317         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3318         WLAN_EID_RIC_DESCRIPTOR = 75,
3319         WLAN_EID_MMIE = 76,
3320         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3321         WLAN_EID_EVENT_REQUEST = 78,
3322         WLAN_EID_EVENT_REPORT = 79,
3323         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3324         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3325         WLAN_EID_LOCATION_PARAMS = 82,
3326         WLAN_EID_NON_TX_BSSID_CAP =  83,
3327         WLAN_EID_SSID_LIST = 84,
3328         WLAN_EID_MULTI_BSSID_IDX = 85,
3329         WLAN_EID_FMS_DESCRIPTOR = 86,
3330         WLAN_EID_FMS_REQUEST = 87,
3331         WLAN_EID_FMS_RESPONSE = 88,
3332         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3333         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3334         WLAN_EID_TSF_REQUEST = 91,
3335         WLAN_EID_TSF_RESPOSNE = 92,
3336         WLAN_EID_WNM_SLEEP_MODE = 93,
3337         WLAN_EID_TIM_BCAST_REQ = 94,
3338         WLAN_EID_TIM_BCAST_RESP = 95,
3339         WLAN_EID_COLL_IF_REPORT = 96,
3340         WLAN_EID_CHANNEL_USAGE = 97,
3341         WLAN_EID_TIME_ZONE = 98,
3342         WLAN_EID_DMS_REQUEST = 99,
3343         WLAN_EID_DMS_RESPONSE = 100,
3344         WLAN_EID_LINK_ID = 101,
3345         WLAN_EID_WAKEUP_SCHEDUL = 102,
3346         /* 103 reserved */
3347         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3348         WLAN_EID_PTI_CONTROL = 105,
3349         WLAN_EID_PU_BUFFER_STATUS = 106,
3350         WLAN_EID_INTERWORKING = 107,
3351         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3352         WLAN_EID_EXPEDITED_BW_REQ = 109,
3353         WLAN_EID_QOS_MAP_SET = 110,
3354         WLAN_EID_ROAMING_CONSORTIUM = 111,
3355         WLAN_EID_EMERGENCY_ALERT = 112,
3356         WLAN_EID_MESH_CONFIG = 113,
3357         WLAN_EID_MESH_ID = 114,
3358         WLAN_EID_LINK_METRIC_REPORT = 115,
3359         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3360         WLAN_EID_PEER_MGMT = 117,
3361         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3362         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3363         WLAN_EID_BEACON_TIMING = 120,
3364         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3365         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3366         WLAN_EID_MCCAOP_ADVERT = 123,
3367         WLAN_EID_MCCAOP_TEARDOWN = 124,
3368         WLAN_EID_GANN = 125,
3369         WLAN_EID_RANN = 126,
3370         WLAN_EID_EXT_CAPABILITY = 127,
3371         /* 128, 129 reserved for Agere */
3372         WLAN_EID_PREQ = 130,
3373         WLAN_EID_PREP = 131,
3374         WLAN_EID_PERR = 132,
3375         /* 133-136 reserved for Cisco */
3376         WLAN_EID_PXU = 137,
3377         WLAN_EID_PXUC = 138,
3378         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3379         WLAN_EID_MIC = 140,
3380         WLAN_EID_DESTINATION_URI = 141,
3381         WLAN_EID_UAPSD_COEX = 142,
3382         WLAN_EID_WAKEUP_SCHEDULE = 143,
3383         WLAN_EID_EXT_SCHEDULE = 144,
3384         WLAN_EID_STA_AVAILABILITY = 145,
3385         WLAN_EID_DMG_TSPEC = 146,
3386         WLAN_EID_DMG_AT = 147,
3387         WLAN_EID_DMG_CAP = 148,
3388         /* 149 reserved for Cisco */
3389         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3390         WLAN_EID_DMG_OPERATION = 151,
3391         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3392         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3393         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3394         /* 155-156 reserved for Cisco */
3395         WLAN_EID_AWAKE_WINDOW = 157,
3396         WLAN_EID_MULTI_BAND = 158,
3397         WLAN_EID_ADDBA_EXT = 159,
3398         WLAN_EID_NEXT_PCP_LIST = 160,
3399         WLAN_EID_PCP_HANDOVER = 161,
3400         WLAN_EID_DMG_LINK_MARGIN = 162,
3401         WLAN_EID_SWITCHING_STREAM = 163,
3402         WLAN_EID_SESSION_TRANSITION = 164,
3403         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3404         WLAN_EID_CLUSTER_REPORT = 166,
3405         WLAN_EID_RELAY_CAP = 167,
3406         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3407         WLAN_EID_BEAM_LINK_MAINT = 169,
3408         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3409         WLAN_EID_U_PID = 171,
3410         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3411         /* 173 reserved for Symbol */
3412         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3413         WLAN_EID_QUIET_PERIOD_REQ = 175,
3414         /* 176 reserved for Symbol */
3415         WLAN_EID_QUIET_PERIOD_RESP = 177,
3416         /* 178-179 reserved for Symbol */
3417         /* 180 reserved for ISO/IEC 20011 */
3418         WLAN_EID_EPAC_POLICY = 182,
3419         WLAN_EID_CLISTER_TIME_OFF = 183,
3420         WLAN_EID_INTER_AC_PRIO = 184,
3421         WLAN_EID_SCS_DESCRIPTOR = 185,
3422         WLAN_EID_QLOAD_REPORT = 186,
3423         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3424         WLAN_EID_HL_STREAM_ID = 188,
3425         WLAN_EID_GCR_GROUP_ADDR = 189,
3426         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3427         WLAN_EID_VHT_CAPABILITY = 191,
3428         WLAN_EID_VHT_OPERATION = 192,
3429         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3430         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3431         WLAN_EID_TX_POWER_ENVELOPE = 195,
3432         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3433         WLAN_EID_AID = 197,
3434         WLAN_EID_QUIET_CHANNEL = 198,
3435         WLAN_EID_OPMODE_NOTIF = 199,
3436
3437         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3438
3439         WLAN_EID_AID_REQUEST = 210,
3440         WLAN_EID_AID_RESPONSE = 211,
3441         WLAN_EID_S1G_BCN_COMPAT = 213,
3442         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3443         WLAN_EID_S1G_TWT = 216,
3444         WLAN_EID_S1G_CAPABILITIES = 217,
3445         WLAN_EID_VENDOR_SPECIFIC = 221,
3446         WLAN_EID_QOS_PARAMETER = 222,
3447         WLAN_EID_S1G_OPERATION = 232,
3448         WLAN_EID_CAG_NUMBER = 237,
3449         WLAN_EID_AP_CSN = 239,
3450         WLAN_EID_FILS_INDICATION = 240,
3451         WLAN_EID_DILS = 241,
3452         WLAN_EID_FRAGMENT = 242,
3453         WLAN_EID_RSNX = 244,
3454         WLAN_EID_EXTENSION = 255
3455 };
3456
3457 /* Element ID Extensions for Element ID 255 */
3458 enum ieee80211_eid_ext {
3459         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3460         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3461         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3462         WLAN_EID_EXT_FILS_SESSION = 4,
3463         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3464         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3465         WLAN_EID_EXT_KEY_DELIVERY = 7,
3466         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3467         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3468         WLAN_EID_EXT_FILS_NONCE = 13,
3469         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3470         WLAN_EID_EXT_HE_CAPABILITY = 35,
3471         WLAN_EID_EXT_HE_OPERATION = 36,
3472         WLAN_EID_EXT_UORA = 37,
3473         WLAN_EID_EXT_HE_MU_EDCA = 38,
3474         WLAN_EID_EXT_HE_SPR = 39,
3475         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3476         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3477         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3478         WLAN_EID_EXT_ESS_REPORT = 45,
3479         WLAN_EID_EXT_OPS = 46,
3480         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3481         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3482         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3483         WLAN_EID_EXT_NON_INHERITANCE = 56,
3484         WLAN_EID_EXT_KNOWN_BSSID = 57,
3485         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3486         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3487         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3488         WLAN_EID_EXT_EHT_OPERATION = 106,
3489         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3490         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3491 };
3492
3493 /* Action category code */
3494 enum ieee80211_category {
3495         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3496         WLAN_CATEGORY_QOS = 1,
3497         WLAN_CATEGORY_DLS = 2,
3498         WLAN_CATEGORY_BACK = 3,
3499         WLAN_CATEGORY_PUBLIC = 4,
3500         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3501         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3502         WLAN_CATEGORY_HT = 7,
3503         WLAN_CATEGORY_SA_QUERY = 8,
3504         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3505         WLAN_CATEGORY_WNM = 10,
3506         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3507         WLAN_CATEGORY_TDLS = 12,
3508         WLAN_CATEGORY_MESH_ACTION = 13,
3509         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3510         WLAN_CATEGORY_SELF_PROTECTED = 15,
3511         WLAN_CATEGORY_DMG = 16,
3512         WLAN_CATEGORY_WMM = 17,
3513         WLAN_CATEGORY_FST = 18,
3514         WLAN_CATEGORY_UNPROT_DMG = 20,
3515         WLAN_CATEGORY_VHT = 21,
3516         WLAN_CATEGORY_S1G = 22,
3517         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3518         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3519 };
3520
3521 /* SPECTRUM_MGMT action code */
3522 enum ieee80211_spectrum_mgmt_actioncode {
3523         WLAN_ACTION_SPCT_MSR_REQ = 0,
3524         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3525         WLAN_ACTION_SPCT_TPC_REQ = 2,
3526         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3527         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3528 };
3529
3530 /* HT action codes */
3531 enum ieee80211_ht_actioncode {
3532         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3533         WLAN_HT_ACTION_SMPS = 1,
3534         WLAN_HT_ACTION_PSMP = 2,
3535         WLAN_HT_ACTION_PCO_PHASE = 3,
3536         WLAN_HT_ACTION_CSI = 4,
3537         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3538         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3539         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3540 };
3541
3542 /* VHT action codes */
3543 enum ieee80211_vht_actioncode {
3544         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3545         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3546         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3547 };
3548
3549 /* Self Protected Action codes */
3550 enum ieee80211_self_protected_actioncode {
3551         WLAN_SP_RESERVED = 0,
3552         WLAN_SP_MESH_PEERING_OPEN = 1,
3553         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3554         WLAN_SP_MESH_PEERING_CLOSE = 3,
3555         WLAN_SP_MGK_INFORM = 4,
3556         WLAN_SP_MGK_ACK = 5,
3557 };
3558
3559 /* Mesh action codes */
3560 enum ieee80211_mesh_actioncode {
3561         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3562         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3563         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3564         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3565         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3566         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3567         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3568         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3569         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3570         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3571         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3572 };
3573
3574 /* Unprotected WNM action codes */
3575 enum ieee80211_unprotected_wnm_actioncode {
3576         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3577         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3578 };
3579
3580 /* Security key length */
3581 enum ieee80211_key_len {
3582         WLAN_KEY_LEN_WEP40 = 5,
3583         WLAN_KEY_LEN_WEP104 = 13,
3584         WLAN_KEY_LEN_CCMP = 16,
3585         WLAN_KEY_LEN_CCMP_256 = 32,
3586         WLAN_KEY_LEN_TKIP = 32,
3587         WLAN_KEY_LEN_AES_CMAC = 16,
3588         WLAN_KEY_LEN_SMS4 = 32,
3589         WLAN_KEY_LEN_GCMP = 16,
3590         WLAN_KEY_LEN_GCMP_256 = 32,
3591         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3592         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3593         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3594 };
3595
3596 enum ieee80211_s1g_actioncode {
3597         WLAN_S1G_AID_SWITCH_REQUEST,
3598         WLAN_S1G_AID_SWITCH_RESPONSE,
3599         WLAN_S1G_SYNC_CONTROL,
3600         WLAN_S1G_STA_INFO_ANNOUNCE,
3601         WLAN_S1G_EDCA_PARAM_SET,
3602         WLAN_S1G_EL_OPERATION,
3603         WLAN_S1G_TWT_SETUP,
3604         WLAN_S1G_TWT_TEARDOWN,
3605         WLAN_S1G_SECT_GROUP_ID_LIST,
3606         WLAN_S1G_SECT_ID_FEEDBACK,
3607         WLAN_S1G_TWT_INFORMATION = 11,
3608 };
3609
3610 #define IEEE80211_WEP_IV_LEN            4
3611 #define IEEE80211_WEP_ICV_LEN           4
3612 #define IEEE80211_CCMP_HDR_LEN          8
3613 #define IEEE80211_CCMP_MIC_LEN          8
3614 #define IEEE80211_CCMP_PN_LEN           6
3615 #define IEEE80211_CCMP_256_HDR_LEN      8
3616 #define IEEE80211_CCMP_256_MIC_LEN      16
3617 #define IEEE80211_CCMP_256_PN_LEN       6
3618 #define IEEE80211_TKIP_IV_LEN           8
3619 #define IEEE80211_TKIP_ICV_LEN          4
3620 #define IEEE80211_CMAC_PN_LEN           6
3621 #define IEEE80211_GMAC_PN_LEN           6
3622 #define IEEE80211_GCMP_HDR_LEN          8
3623 #define IEEE80211_GCMP_MIC_LEN          16
3624 #define IEEE80211_GCMP_PN_LEN           6
3625
3626 #define FILS_NONCE_LEN                  16
3627 #define FILS_MAX_KEK_LEN                64
3628
3629 #define FILS_ERP_MAX_USERNAME_LEN       16
3630 #define FILS_ERP_MAX_REALM_LEN          253
3631 #define FILS_ERP_MAX_RRK_LEN            64
3632
3633 #define PMK_MAX_LEN                     64
3634 #define SAE_PASSWORD_MAX_LEN            128
3635
3636 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3637 enum ieee80211_pub_actioncode {
3638         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3639         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3640         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3641         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3642         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3643         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3644         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3645         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3646         WLAN_PUB_ACTION_DSE_PC = 8,
3647         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3648         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3649         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3650         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3651         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3652         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3653         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3654         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3655         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3656         WLAN_PUB_ACTION_QMF_POLICY = 18,
3657         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3658         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3659         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3660         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3661         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3662         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3663         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3664         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3665         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3666         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3667         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3668         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3669         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3670         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3671         WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3672         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3673 };
3674
3675 /* TDLS action codes */
3676 enum ieee80211_tdls_actioncode {
3677         WLAN_TDLS_SETUP_REQUEST = 0,
3678         WLAN_TDLS_SETUP_RESPONSE = 1,
3679         WLAN_TDLS_SETUP_CONFIRM = 2,
3680         WLAN_TDLS_TEARDOWN = 3,
3681         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3682         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3683         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3684         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3685         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3686         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3687         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3688 };
3689
3690 /* Extended Channel Switching capability to be set in the 1st byte of
3691  * the @WLAN_EID_EXT_CAPABILITY information element
3692  */
3693 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3694
3695 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3696  * @WLAN_EID_EXT_CAPABILITY information element
3697  */
3698 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3699
3700 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3701  * of the @WLAN_EID_EXT_CAPABILITY information element
3702  */
3703 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3704
3705 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3706 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3707 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3708 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3709
3710 /* Interworking capabilities are set in 7th bit of 4th byte of the
3711  * @WLAN_EID_EXT_CAPABILITY information element
3712  */
3713 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3714
3715 /*
3716  * TDLS capabililites to be enabled in the 5th byte of the
3717  * @WLAN_EID_EXT_CAPABILITY information element
3718  */
3719 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3720 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3721 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3722
3723 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3724 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3725
3726 /* Defines the maximal number of MSDUs in an A-MSDU. */
3727 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3728 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3729
3730 /*
3731  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3732  * information element
3733  */
3734 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3735
3736 /* Defines support for TWT Requester and TWT Responder */
3737 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3738 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3739
3740 /*
3741  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3742  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3743  * 26-tone RU UL OFDMA transmissions as radar pulses).
3744  */
3745 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3746
3747 /* Defines support for enhanced multi-bssid advertisement*/
3748 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3749
3750 /* TDLS specific payload type in the LLC/SNAP header */
3751 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3752
3753 /* BSS Coex IE information field bits */
3754 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3755
3756 /**
3757  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3758  *
3759  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3760  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3761  *      that will be specified in a vendor specific information element
3762  */
3763 enum ieee80211_mesh_sync_method {
3764         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3765         IEEE80211_SYNC_METHOD_VENDOR = 255,
3766 };
3767
3768 /**
3769  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3770  *
3771  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3772  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3773  *      be specified in a vendor specific information element
3774  */
3775 enum ieee80211_mesh_path_protocol {
3776         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3777         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3778 };
3779
3780 /**
3781  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3782  *
3783  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3784  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3785  *      specified in a vendor specific information element
3786  */
3787 enum ieee80211_mesh_path_metric {
3788         IEEE80211_PATH_METRIC_AIRTIME = 1,
3789         IEEE80211_PATH_METRIC_VENDOR = 255,
3790 };
3791
3792 /**
3793  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3794  *
3795  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3796  *
3797  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3798  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3799  *      this value
3800  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3801  *      the proactive PREQ with proactive PREP subfield set to 0
3802  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3803  *      supports the proactive PREQ with proactive PREP subfield set to 1
3804  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3805  *      the proactive RANN
3806  */
3807 enum ieee80211_root_mode_identifier {
3808         IEEE80211_ROOTMODE_NO_ROOT = 0,
3809         IEEE80211_ROOTMODE_ROOT = 1,
3810         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3811         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3812         IEEE80211_PROACTIVE_RANN = 4,
3813 };
3814
3815 /*
3816  * IEEE 802.11-2007 7.3.2.9 Country information element
3817  *
3818  * Minimum length is 8 octets, ie len must be evenly
3819  * divisible by 2
3820  */
3821
3822 /* Although the spec says 8 I'm seeing 6 in practice */
3823 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3824
3825 /* The Country String field of the element shall be 3 octets in length */
3826 #define IEEE80211_COUNTRY_STRING_LEN    3
3827
3828 /*
3829  * For regulatory extension stuff see IEEE 802.11-2007
3830  * Annex I (page 1141) and Annex J (page 1147). Also
3831  * review 7.3.2.9.
3832  *
3833  * When dot11RegulatoryClassesRequired is true and the
3834  * first_channel/reg_extension_id is >= 201 then the IE
3835  * compromises of the 'ext' struct represented below:
3836  *
3837  *  - Regulatory extension ID - when generating IE this just needs
3838  *    to be monotonically increasing for each triplet passed in
3839  *    the IE
3840  *  - Regulatory class - index into set of rules
3841  *  - Coverage class - index into air propagation time (Table 7-27),
3842  *    in microseconds, you can compute the air propagation time from
3843  *    the index by multiplying by 3, so index 10 yields a propagation
3844  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3845  *    yet. A value of 0 inicates air propagation of <= 1 us.
3846  *
3847  *  See also Table I.2 for Emission limit sets and table
3848  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3849  *  a reg_class to an emission limit set and behavior limit set.
3850  */
3851 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3852
3853 /*
3854  *  Channels numbers in the IE must be monotonically increasing
3855  *  if dot11RegulatoryClassesRequired is not true.
3856  *
3857  *  If dot11RegulatoryClassesRequired is true consecutive
3858  *  subband triplets following a regulatory triplet shall
3859  *  have monotonically increasing first_channel number fields.
3860  *
3861  *  Channel numbers shall not overlap.
3862  *
3863  *  Note that max_power is signed.
3864  */
3865 struct ieee80211_country_ie_triplet {
3866         union {
3867                 struct {
3868                         u8 first_channel;
3869                         u8 num_channels;
3870                         s8 max_power;
3871                 } __packed chans;
3872                 struct {
3873                         u8 reg_extension_id;
3874                         u8 reg_class;
3875                         u8 coverage_class;
3876                 } __packed ext;
3877         };
3878 } __packed;
3879
3880 enum ieee80211_timeout_interval_type {
3881         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3882         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3883         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3884 };
3885
3886 /**
3887  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3888  * @type: type, see &enum ieee80211_timeout_interval_type
3889  * @value: timeout interval value
3890  */
3891 struct ieee80211_timeout_interval_ie {
3892         u8 type;
3893         __le32 value;
3894 } __packed;
3895
3896 /**
3897  * enum ieee80211_idle_options - BSS idle options
3898  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3899  *      protected frame to the AP to reset the idle timer at the AP for
3900  *      the station.
3901  */
3902 enum ieee80211_idle_options {
3903         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3904 };
3905
3906 /**
3907  * struct ieee80211_bss_max_idle_period_ie
3908  *
3909  * This structure refers to "BSS Max idle period element"
3910  *
3911  * @max_idle_period: indicates the time period during which a station can
3912  *      refrain from transmitting frames to its associated AP without being
3913  *      disassociated. In units of 1000 TUs.
3914  * @idle_options: indicates the options associated with the BSS idle capability
3915  *      as specified in &enum ieee80211_idle_options.
3916  */
3917 struct ieee80211_bss_max_idle_period_ie {
3918         __le16 max_idle_period;
3919         u8 idle_options;
3920 } __packed;
3921
3922 /* BACK action code */
3923 enum ieee80211_back_actioncode {
3924         WLAN_ACTION_ADDBA_REQ = 0,
3925         WLAN_ACTION_ADDBA_RESP = 1,
3926         WLAN_ACTION_DELBA = 2,
3927 };
3928
3929 /* BACK (block-ack) parties */
3930 enum ieee80211_back_parties {
3931         WLAN_BACK_RECIPIENT = 0,
3932         WLAN_BACK_INITIATOR = 1,
3933 };
3934
3935 /* SA Query action */
3936 enum ieee80211_sa_query_action {
3937         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3938         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3939 };
3940
3941 /**
3942  * struct ieee80211_bssid_index
3943  *
3944  * This structure refers to "Multiple BSSID-index element"
3945  *
3946  * @bssid_index: BSSID index
3947  * @dtim_period: optional, overrides transmitted BSS dtim period
3948  * @dtim_count: optional, overrides transmitted BSS dtim count
3949  */
3950 struct ieee80211_bssid_index {
3951         u8 bssid_index;
3952         u8 dtim_period;
3953         u8 dtim_count;
3954 };
3955
3956 /**
3957  * struct ieee80211_multiple_bssid_configuration
3958  *
3959  * This structure refers to "Multiple BSSID Configuration element"
3960  *
3961  * @bssid_count: total number of active BSSIDs in the set
3962  * @profile_periodicity: the least number of beacon frames need to be received
3963  *      in order to discover all the nontransmitted BSSIDs in the set.
3964  */
3965 struct ieee80211_multiple_bssid_configuration {
3966         u8 bssid_count;
3967         u8 profile_periodicity;
3968 };
3969
3970 #define SUITE(oui, id) (((oui) << 8) | (id))
3971
3972 /* cipher suite selectors */
3973 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3974 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3975 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3976 /* reserved:                            SUITE(0x000FAC, 3) */
3977 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3978 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3979 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3980 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3981 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3982 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3983 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3984 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3985 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3986
3987 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3988
3989 /* AKM suite selectors */
3990 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3991 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3992 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3993 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3994 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3995 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3996 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3997 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3998 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3999 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
4000 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
4001 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
4002 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
4003 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
4004 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
4005 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
4006 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
4007 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
4008 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
4009 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
4010
4011 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
4012
4013 #define WLAN_MAX_KEY_LEN                32
4014
4015 #define WLAN_PMK_NAME_LEN               16
4016 #define WLAN_PMKID_LEN                  16
4017 #define WLAN_PMK_LEN_EAP_LEAP           16
4018 #define WLAN_PMK_LEN                    32
4019 #define WLAN_PMK_LEN_SUITE_B_192        48
4020
4021 #define WLAN_OUI_WFA                    0x506f9a
4022 #define WLAN_OUI_TYPE_WFA_P2P           9
4023 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
4024 #define WLAN_OUI_MICROSOFT              0x0050f2
4025 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
4026 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
4027 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
4028 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
4029
4030 /*
4031  * WMM/802.11e Tspec Element
4032  */
4033 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4034 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4035
4036 enum ieee80211_tspec_status_code {
4037         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4038         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4039 };
4040
4041 struct ieee80211_tspec_ie {
4042         u8 element_id;
4043         u8 len;
4044         u8 oui[3];
4045         u8 oui_type;
4046         u8 oui_subtype;
4047         u8 version;
4048         __le16 tsinfo;
4049         u8 tsinfo_resvd;
4050         __le16 nominal_msdu;
4051         __le16 max_msdu;
4052         __le32 min_service_int;
4053         __le32 max_service_int;
4054         __le32 inactivity_int;
4055         __le32 suspension_int;
4056         __le32 service_start_time;
4057         __le32 min_data_rate;
4058         __le32 mean_data_rate;
4059         __le32 peak_data_rate;
4060         __le32 max_burst_size;
4061         __le32 delay_bound;
4062         __le32 min_phy_rate;
4063         __le16 sba;
4064         __le16 medium_time;
4065 } __packed;
4066
4067 struct ieee80211_he_6ghz_capa {
4068         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4069         __le16 capa;
4070 } __packed;
4071
4072 /* HE 6 GHz band capabilities */
4073 /* uses enum ieee80211_min_mpdu_spacing values */
4074 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4075 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4076 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4077 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4078 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4079 /* WLAN_HT_CAP_SM_PS_* values */
4080 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4081 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4082 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4083 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4084
4085 /**
4086  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4087  * @hdr: the frame
4088  *
4089  * The qos ctrl bytes come after the frame_control, duration, seq_num
4090  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4091  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4092  */
4093 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4094 {
4095         union {
4096                 struct ieee80211_qos_hdr        addr3;
4097                 struct ieee80211_qos_hdr_4addr  addr4;
4098         } *qos;
4099
4100         qos = (void *)hdr;
4101         if (ieee80211_has_a4(qos->addr3.frame_control))
4102                 return (u8 *)&qos->addr4.qos_ctrl;
4103         else
4104                 return (u8 *)&qos->addr3.qos_ctrl;
4105 }
4106
4107 /**
4108  * ieee80211_get_tid - get qos TID
4109  * @hdr: the frame
4110  */
4111 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4112 {
4113         u8 *qc = ieee80211_get_qos_ctl(hdr);
4114
4115         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4116 }
4117
4118 /**
4119  * ieee80211_get_SA - get pointer to SA
4120  * @hdr: the frame
4121  *
4122  * Given an 802.11 frame, this function returns the offset
4123  * to the source address (SA). It does not verify that the
4124  * header is long enough to contain the address, and the
4125  * header must be long enough to contain the frame control
4126  * field.
4127  */
4128 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4129 {
4130         if (ieee80211_has_a4(hdr->frame_control))
4131                 return hdr->addr4;
4132         if (ieee80211_has_fromds(hdr->frame_control))
4133                 return hdr->addr3;
4134         return hdr->addr2;
4135 }
4136
4137 /**
4138  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4139  * @skb: the skb to check, starting with the 802.11 header
4140  */
4141 static inline bool ieee80211_is_bufferable_mmpdu(struct ieee80211_hdr *hdr, size_t len)
4142 {
4143         struct ieee80211_mgmt *mgmt = (void *)hdr;
4144         __le16 fc = mgmt->frame_control;
4145
4146         /*
4147          * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4148          * note that this ignores the IBSS special case.
4149          */
4150         if (!ieee80211_is_mgmt(fc))
4151                 return false;
4152
4153         if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4154                 return true;
4155
4156         if (!ieee80211_is_action(fc))
4157                 return false;
4158
4159         if (len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4160                 return true;
4161
4162         /* action frame - additionally check for non-bufferable FTM */
4163
4164         if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4165             mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4166                 return true;
4167
4168         if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4169             mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4170                 return false;
4171
4172         return true;
4173 }
4174
4175 /**
4176  * ieee80211_get_DA - get pointer to DA
4177  * @hdr: the frame
4178  *
4179  * Given an 802.11 frame, this function returns the offset
4180  * to the destination address (DA). It does not verify that
4181  * the header is long enough to contain the address, and the
4182  * header must be long enough to contain the frame control
4183  * field.
4184  */
4185 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4186 {
4187         if (ieee80211_has_tods(hdr->frame_control))
4188                 return hdr->addr3;
4189         else
4190                 return hdr->addr1;
4191 }
4192
4193 /**
4194  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4195  * @hdr: the frame (buffer must include at least the first octet of payload)
4196  */
4197 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4198 {
4199         if (ieee80211_is_disassoc(hdr->frame_control) ||
4200             ieee80211_is_deauth(hdr->frame_control))
4201                 return true;
4202
4203         if (ieee80211_is_action(hdr->frame_control)) {
4204                 u8 *category;
4205
4206                 /*
4207                  * Action frames, excluding Public Action frames, are Robust
4208                  * Management Frames. However, if we are looking at a Protected
4209                  * frame, skip the check since the data may be encrypted and
4210                  * the frame has already been found to be a Robust Management
4211                  * Frame (by the other end).
4212                  */
4213                 if (ieee80211_has_protected(hdr->frame_control))
4214                         return true;
4215                 category = ((u8 *) hdr) + 24;
4216                 return *category != WLAN_CATEGORY_PUBLIC &&
4217                         *category != WLAN_CATEGORY_HT &&
4218                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4219                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4220                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4221                         *category != WLAN_CATEGORY_VHT &&
4222                         *category != WLAN_CATEGORY_S1G &&
4223                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4224         }
4225
4226         return false;
4227 }
4228
4229 /**
4230  * ieee80211_is_public_action - check if frame is a public action frame
4231  * @hdr: the frame
4232  * @len: length of the frame
4233  */
4234 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4235                                               size_t len)
4236 {
4237         struct ieee80211_mgmt *mgmt = (void *)hdr;
4238
4239         if (len < IEEE80211_MIN_ACTION_SIZE)
4240                 return false;
4241         if (!ieee80211_is_action(hdr->frame_control))
4242                 return false;
4243         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4244 }
4245
4246 static inline bool is_multicast_ether_addr(const u8 *a)
4247 {
4248         return 0x01 & a[0];
4249 }
4250
4251 /**
4252  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4253  * privacy action frame
4254  * @hdr: the frame
4255  */
4256 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4257 {
4258         struct ieee80211_mgmt *mgmt = (void *)hdr;
4259
4260         if (!ieee80211_is_action(hdr->frame_control) ||
4261             !is_multicast_ether_addr(hdr->addr1))
4262                 return false;
4263
4264         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4265                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4266 }
4267
4268 /**
4269  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4270  * @tu: the TUs
4271  */
4272 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4273 {
4274         return 1024 * tu;
4275 }
4276
4277 /**
4278  * ieee80211_check_tim - check if AID bit is set in TIM
4279  * @tim: the TIM IE
4280  * @tim_len: length of the TIM IE
4281  * @aid: the AID to look for
4282  */
4283 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4284                                        u8 tim_len, u16 aid)
4285 {
4286         u8 mask;
4287         u8 indexn0, indexn1, indexn2;
4288
4289         if (unlikely(!tim || tim_len < sizeof(*tim)))
4290                 return false;
4291
4292         aid &= 0x3fff;
4293         indexn0 = aid / 8;
4294         mask  = 1 << (aid & 7);
4295
4296         indexn1 = tim->bitmap_ctrl & 0xfe;
4297         indexn2 = tim_len + indexn1 - 4;
4298
4299         if (indexn0 < indexn1 || indexn0 > indexn2)
4300                 return false;
4301
4302         indexn0 -= indexn1;
4303
4304         return !!(tim->virtual_map[indexn0] & mask);
4305 }
4306
4307 /* convert time units */
4308 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
4309 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
4310
4311 static inline bool ieee80211_is_timing_measurement(struct ieee80211_hdr *hdr, size_t len)
4312 {
4313         struct ieee80211_mgmt *mgmt = (void *)hdr;
4314
4315         if (len < IEEE80211_MIN_ACTION_SIZE)
4316                 return false;
4317
4318         if (!ieee80211_is_action(hdr->frame_control))
4319                 return false;
4320
4321         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4322             mgmt->u.action.u.wnm_timing_msr.action_code ==
4323                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4324             len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4325                 return true;
4326
4327         return false;
4328 }
4329
4330 static inline bool ieee80211_is_ftm(struct ieee80211_hdr *hdr, size_t len)
4331 {
4332         struct ieee80211_mgmt *mgmt = (void *)hdr;
4333
4334         if (!ieee80211_is_public_action((void *)mgmt, len))
4335                 return false;
4336
4337         if (mgmt->u.action.u.ftm.action_code ==
4338                 WLAN_PUB_ACTION_FTM_RESPONSE &&
4339             len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4340                 return true;
4341
4342         return false;
4343 }
4344
4345 struct element {
4346         u8 id;
4347         u8 datalen;
4348         u8 data[];
4349 } __packed;
4350
4351 /* element iteration helpers */
4352 #define for_each_element(_elem, _data, _datalen)                        \
4353         for (_elem = (const struct element *)(_data);                   \
4354              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4355                 (int)sizeof(*_elem) &&                                  \
4356              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4357                 (int)sizeof(*_elem) + _elem->datalen;                   \
4358              _elem = (const struct element *)(_elem->data + _elem->datalen))
4359
4360 #define for_each_element_id(element, _id, data, datalen)                \
4361         for_each_element(element, data, datalen)                        \
4362                 if (element->id == (_id))
4363
4364 #define for_each_element_extid(element, extid, _data, _datalen)         \
4365         for_each_element(element, _data, _datalen)                      \
4366                 if (element->id == WLAN_EID_EXTENSION &&                \
4367                     element->datalen > 0 &&                             \
4368                     element->data[0] == (extid))
4369
4370 #define for_each_subelement(sub, element)                               \
4371         for_each_element(sub, (element)->data, (element)->datalen)
4372
4373 #define for_each_subelement_id(sub, id, element)                        \
4374         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4375
4376 #define for_each_subelement_extid(sub, extid, element)                  \
4377         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4378
4379 /* convert frequencies */
4380 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4381 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4382 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4383 #define KHZ_F "%d.%03d"
4384
4385 /* convert powers */
4386 #define DBI_TO_MBI(gain) ((gain) * 100)
4387 #define MBI_TO_DBI(gain) ((gain) / 100)
4388 #define DBM_TO_MBM(gain) ((gain) * 100)
4389 #define MBM_TO_DBM(gain) ((gain) / 100)
4390
4391 /**
4392  * for_each_element_completed - determine if element parsing consumed all data
4393  * @element: element pointer after for_each_element() or friends
4394  * @data: same data pointer as passed to for_each_element() or friends
4395  * @datalen: same data length as passed to for_each_element() or friends
4396  *
4397  * This function returns %true if all the data was parsed or considered
4398  * while walking the elements. Only use this if your for_each_element()
4399  * loop cannot be broken out of, otherwise it always returns %false.
4400  *
4401  * If some data was malformed, this returns %false since the last parsed
4402  * element will not fill the whole remaining data.
4403  */
4404 static inline bool for_each_element_completed(const struct element *element,
4405                                               const void *data, size_t datalen)
4406 {
4407         return (const u8 *)element == (const u8 *)data + datalen;
4408 }
4409
4410 /**
4411  * RSNX Capabilities:
4412  * bits 0-3: Field length (n-1)
4413  */
4414 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4415 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4416
4417 /*
4418  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4419  * section 9.4.2.170 and accepted contributions.
4420  */
4421 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4422 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4423 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4424 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4425 #define IEEE80211_TBTT_INFO_TYPE_TBTT                           0
4426 #define IEEE80211_TBTT_INFO_TYPE_MLD                            1
4427
4428 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4429 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4430 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4431 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4432 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4433 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4434 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4435
4436 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT                  127
4437 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED                  -128
4438
4439 struct ieee80211_neighbor_ap_info {
4440         u8 tbtt_info_hdr;
4441         u8 tbtt_info_len;
4442         u8 op_class;
4443         u8 channel;
4444 } __packed;
4445
4446 enum ieee80211_range_params_max_total_ltf {
4447         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4448         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4449         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4450         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4451 };
4452
4453 /*
4454  * reduced neighbor report, based on Draft P802.11be_D3.0,
4455  * section 9.4.2.170.2.
4456  */
4457 struct ieee80211_rnr_mld_params {
4458         u8 mld_id;
4459         __le16 params;
4460 } __packed;
4461
4462 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID                        0x000F
4463 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT               0x0FF0
4464 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED               0x1000
4465 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK                  0x2000
4466
4467 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4468 struct ieee80211_tbtt_info_7_8_9 {
4469         u8 tbtt_offset;
4470         u8 bssid[6];
4471
4472         /* The following element is optional, structure may not grow */
4473         u8 bss_params;
4474         s8 psd_20;
4475 } __packed;
4476
4477 /* Format of the TBTT information element if it has >= 11 bytes */
4478 struct ieee80211_tbtt_info_ge_11 {
4479         u8 tbtt_offset;
4480         u8 bssid[6];
4481         __le32 short_ssid;
4482
4483         /* The following elements are optional, structure may grow */
4484         u8 bss_params;
4485         s8 psd_20;
4486         struct ieee80211_rnr_mld_params mld_params;
4487 } __packed;
4488
4489 /* multi-link device */
4490 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4491
4492 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4493 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4494 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4495 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4496 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4497 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4498 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4499
4500 struct ieee80211_multi_link_elem {
4501         __le16 control;
4502         u8 variable[];
4503 } __packed;
4504
4505 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4506 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4507 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4508 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4509 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4510 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4511
4512 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4513 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4514 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4515
4516 /*
4517  * Described in P802.11be_D3.0
4518  * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4519  * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4520  * dot11MSDTXOPMAX defaults to 1
4521  */
4522 #define IEEE80211_MED_SYNC_DELAY_DEFAULT                0x10ac
4523
4524 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4525 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4526 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4527 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4528 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4529 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4530 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4531 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4532 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4533 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4534 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4535 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4536 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4537 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4538 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4539 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4540 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4541 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4542 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4543 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4544 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4545 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4546 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4547 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4548 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4549 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4550 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4551 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4552 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4553 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4554 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4555 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4556 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4557 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4558
4559 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4560 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4561 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4562 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4563 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4564
4565 struct ieee80211_mle_basic_common_info {
4566         u8 len;
4567         u8 mld_mac_addr[6];
4568         u8 variable[];
4569 } __packed;
4570
4571 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4572
4573 struct ieee80211_mle_preq_common_info {
4574         u8 len;
4575         u8 variable[];
4576 } __packed;
4577
4578 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4579
4580 /* no fixed fields in RECONF */
4581
4582 struct ieee80211_mle_tdls_common_info {
4583         u8 len;
4584         u8 ap_mld_mac_addr[6];
4585 } __packed;
4586
4587 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4588
4589 /* no fixed fields in PRIO_ACCESS */
4590
4591 /**
4592  * ieee80211_mle_common_size - check multi-link element common size
4593  * @data: multi-link element, must already be checked for size using
4594  *      ieee80211_mle_size_ok()
4595  */
4596 static inline u8 ieee80211_mle_common_size(const u8 *data)
4597 {
4598         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4599         u16 control = le16_to_cpu(mle->control);
4600         u8 common = 0;
4601
4602         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4603         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4604         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4605         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4606         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4607                 /*
4608                  * The length is the first octet pointed by mle->variable so no
4609                  * need to add anything
4610                  */
4611                 break;
4612         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4613                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4614                         common += 6;
4615                 return common;
4616         default:
4617                 return 0;
4618         }
4619
4620         return sizeof(*mle) + common + mle->variable[0];
4621 }
4622
4623 /**
4624  * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
4625  * @mle: the basic multi link element
4626  *
4627  * The element is assumed to be of the correct type (BASIC) and big enough,
4628  * this must be checked using ieee80211_mle_type_ok().
4629  *
4630  * If the BSS parameter change count value can't be found (the presence bit
4631  * for it is clear), 0 will be returned.
4632  */
4633 static inline u8
4634 ieee80211_mle_get_bss_param_ch_cnt(const struct ieee80211_multi_link_elem *mle)
4635 {
4636         u16 control = le16_to_cpu(mle->control);
4637         const u8 *common = mle->variable;
4638
4639         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4640         common += sizeof(struct ieee80211_mle_basic_common_info);
4641
4642         if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
4643                 return 0;
4644
4645         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4646                 common += 1;
4647
4648         return *common;
4649 }
4650
4651 /**
4652  * ieee80211_mle_get_eml_sync_delay - returns the medium sync delay
4653  * @data: pointer to the multi link EHT IE
4654  *
4655  * The element is assumed to be of the correct type (BASIC) and big enough,
4656  * this must be checked using ieee80211_mle_type_ok().
4657  *
4658  * If the medium synchronization is not present, then the default value is
4659  * returned.
4660  */
4661 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
4662 {
4663         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4664         u16 control = le16_to_cpu(mle->control);
4665         const u8 *common = mle->variable;
4666
4667         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4668         common += sizeof(struct ieee80211_mle_basic_common_info);
4669
4670         if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
4671                 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
4672
4673         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4674                 common += 1;
4675         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4676                 common += 1;
4677
4678         return get_unaligned_le16(common);
4679 }
4680
4681 /**
4682  * ieee80211_mle_get_eml_cap - returns the EML capability
4683  * @data: pointer to the multi link EHT IE
4684  *
4685  * The element is assumed to be of the correct type (BASIC) and big enough,
4686  * this must be checked using ieee80211_mle_type_ok().
4687  *
4688  * If the EML capability is not present, 0 will be returned.
4689  */
4690 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
4691 {
4692         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4693         u16 control = le16_to_cpu(mle->control);
4694         const u8 *common = mle->variable;
4695
4696         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4697         common += sizeof(struct ieee80211_mle_basic_common_info);
4698
4699         if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
4700                 return 0;
4701
4702         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4703                 common += 1;
4704         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4705                 common += 1;
4706         if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4707                 common += 2;
4708
4709         return get_unaligned_le16(common);
4710 }
4711
4712 /**
4713  * ieee80211_mle_size_ok - validate multi-link element size
4714  * @data: pointer to the element data
4715  * @len: length of the containing element
4716  */
4717 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4718 {
4719         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4720         u8 fixed = sizeof(*mle);
4721         u8 common = 0;
4722         bool check_common_len = false;
4723         u16 control;
4724
4725         if (len < fixed)
4726                 return false;
4727
4728         control = le16_to_cpu(mle->control);
4729
4730         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4731         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4732                 common += sizeof(struct ieee80211_mle_basic_common_info);
4733                 check_common_len = true;
4734                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4735                         common += 1;
4736                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4737                         common += 1;
4738                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4739                         common += 2;
4740                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4741                         common += 2;
4742                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4743                         common += 2;
4744                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4745                         common += 1;
4746                 break;
4747         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4748                 common += sizeof(struct ieee80211_mle_preq_common_info);
4749                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4750                         common += 1;
4751                 check_common_len = true;
4752                 break;
4753         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4754                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4755                         common += 6;
4756                 break;
4757         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4758                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4759                 check_common_len = true;
4760                 break;
4761         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4762                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4763                         common += 6;
4764                 break;
4765         default:
4766                 /* we don't know this type */
4767                 return true;
4768         }
4769
4770         if (len < fixed + common)
4771                 return false;
4772
4773         if (!check_common_len)
4774                 return true;
4775
4776         /* if present, common length is the first octet there */
4777         return mle->variable[0] >= common;
4778 }
4779
4780 /**
4781  * ieee80211_mle_type_ok - validate multi-link element type and size
4782  * @data: pointer to the element data
4783  * @type: expected type of the element
4784  * @len: length of the containing element
4785  */
4786 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
4787 {
4788         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4789         u16 control;
4790
4791         if (!ieee80211_mle_size_ok(data, len))
4792                 return false;
4793
4794         control = le16_to_cpu(mle->control);
4795
4796         if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
4797                 return true;
4798
4799         return false;
4800 }
4801
4802 enum ieee80211_mle_subelems {
4803         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4804         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
4805 };
4806
4807 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4808 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4809 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4810 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4811 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4812 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4813 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4814 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4815 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4816
4817 struct ieee80211_mle_per_sta_profile {
4818         __le16 control;
4819         u8 sta_info_len;
4820         u8 variable[];
4821 } __packed;
4822
4823 /**
4824  * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
4825  *      profile size
4826  * @data: pointer to the sub element data
4827  * @len: length of the containing sub element
4828  */
4829 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
4830                                                         size_t len)
4831 {
4832         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4833         u16 control;
4834         u8 fixed = sizeof(*prof);
4835         u8 info_len = 1;
4836
4837         if (len < fixed)
4838                 return false;
4839
4840         control = le16_to_cpu(prof->control);
4841
4842         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4843                 info_len += 6;
4844         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4845                 info_len += 2;
4846         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4847                 info_len += 8;
4848         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4849                 info_len += 2;
4850         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4851             control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
4852                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4853                         info_len += 2;
4854                 else
4855                         info_len += 1;
4856         }
4857         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4858                 info_len += 1;
4859
4860         return prof->sta_info_len >= info_len &&
4861                fixed + prof->sta_info_len <= len;
4862 }
4863
4864 /**
4865  * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
4866  *      parameter change count
4867  * @prof: the per-STA profile, having been checked with
4868  *      ieee80211_mle_basic_sta_prof_size_ok() for the correct length
4869  *
4870  * Return: The BSS parameter change count value if present, 0 otherwise.
4871  */
4872 static inline u8
4873 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
4874 {
4875         u16 control = le16_to_cpu(prof->control);
4876         const u8 *pos = prof->variable;
4877
4878         if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
4879                 return 0;
4880
4881         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4882                 pos += 6;
4883         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4884                 pos += 2;
4885         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4886                 pos += 8;
4887         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4888                 pos += 2;
4889         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4890             control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
4891                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4892                         pos += 2;
4893                 else
4894                         pos += 1;
4895         }
4896
4897         return *pos;
4898 }
4899
4900 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID                        0x000f
4901 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE               0x0010
4902 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT           0x0020
4903 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT           0x0040
4904 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE          0x0780
4905 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT       0x0800
4906
4907 /**
4908  * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
4909  *      element sta profile size.
4910  * @data: pointer to the sub element data
4911  * @len: length of the containing sub element
4912  */
4913 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
4914                                                          size_t len)
4915 {
4916         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4917         u16 control;
4918         u8 fixed = sizeof(*prof);
4919         u8 info_len = 1;
4920
4921         if (len < fixed)
4922                 return false;
4923
4924         control = le16_to_cpu(prof->control);
4925
4926         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
4927                 info_len += 6;
4928         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
4929                 info_len += 2;
4930         if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
4931                 info_len += 2;
4932
4933         return prof->sta_info_len >= info_len &&
4934                ((size_t)(fixed + prof->sta_info_len - 1) <= len);
4935 }
4936
4937 #define for_each_mle_subelement(_elem, _data, _len)                     \
4938         if (ieee80211_mle_size_ok(_data, _len))                         \
4939                 for_each_element(_elem,                                 \
4940                                  _data + ieee80211_mle_common_size(_data),\
4941                                  _len - ieee80211_mle_common_size(_data))
4942
4943 #endif /* __LINUX_IEEE80211_H */