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  */
2018 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2019         u8 rx_tx_mcs7_max_nss;
2020         u8 rx_tx_mcs9_max_nss;
2021         u8 rx_tx_mcs11_max_nss;
2022         u8 rx_tx_mcs13_max_nss;
2023 };
2024
2025 /**
2026  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2027  * 20MHz only stations).
2028  *
2029  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2030  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2031  * for Tx.
2032  *
2033  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2034  *     supported for reception and the maximum number of spatial streams
2035  *     supported for transmission for MCS 0 - 9.
2036  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2037  *     supported for reception and the maximum number of spatial streams
2038  *     supported for transmission for MCS 10 - 11.
2039  * @rx_tx_mcs13_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 12 - 13.
2042  */
2043 struct ieee80211_eht_mcs_nss_supp_bw {
2044         u8 rx_tx_mcs9_max_nss;
2045         u8 rx_tx_mcs11_max_nss;
2046         u8 rx_tx_mcs13_max_nss;
2047 };
2048
2049 /**
2050  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2051  *
2052  * This structure is the "EHT Capabilities element" fixed fields as
2053  * described in P802.11be_D2.0 section 9.4.2.313.
2054  *
2055  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2056  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2057  */
2058 struct ieee80211_eht_cap_elem_fixed {
2059         u8 mac_cap_info[2];
2060         u8 phy_cap_info[9];
2061 } __packed;
2062
2063 /**
2064  * struct ieee80211_eht_cap_elem - EHT capabilities element
2065  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2066  * @optional: optional parts
2067  */
2068 struct ieee80211_eht_cap_elem {
2069         struct ieee80211_eht_cap_elem_fixed fixed;
2070
2071         /*
2072          * Followed by:
2073          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2074          * EHT PPE Thresholds field: variable length.
2075          */
2076         u8 optional[];
2077 } __packed;
2078
2079 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2080 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2081 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2082 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2083 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2084
2085 /**
2086  * struct ieee80211_eht_operation - eht operation element
2087  *
2088  * This structure is the "EHT Operation Element" fields as
2089  * described in P802.11be_D2.0 section 9.4.2.311
2090  *
2091  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2092  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2093  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2094  *     receive.
2095  * @optional: optional parts
2096  */
2097 struct ieee80211_eht_operation {
2098         u8 params;
2099         __le32 basic_mcs_nss;
2100         u8 optional[];
2101 } __packed;
2102
2103 /**
2104  * struct ieee80211_eht_operation_info - eht operation information
2105  *
2106  * @control: EHT operation information control.
2107  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2108  *     EHT BSS.
2109  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2110  * @optional: optional parts
2111  */
2112 struct ieee80211_eht_operation_info {
2113         u8 control;
2114         u8 ccfs0;
2115         u8 ccfs1;
2116         u8 optional[];
2117 } __packed;
2118
2119 /* 802.11ac VHT Capabilities */
2120 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2121 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2122 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2123 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2124 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2125 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2126 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2127 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2128 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2129 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2130 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2131 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2132 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2133 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2134 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2135 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2136 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2137 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2138 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2139 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2140 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2141 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2142                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2143 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2144 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2145                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2146 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2147 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2148 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2149 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2150 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2151 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2152                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2153 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2154 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2155 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2156 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2157 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2158 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2159
2160 /**
2161  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2162  * @cap: VHT capabilities of the peer
2163  * @bw: bandwidth to use
2164  * @mcs: MCS index to use
2165  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2166  *      (rate scaling algorithm) can deal with the new logic
2167  *      (dot11VHTExtendedNSSBWCapable)
2168  * @max_vht_nss: current maximum NSS as advertised by the STA in
2169  *      operating mode notification, can be 0 in which case the
2170  *      capability data will be used to derive this (from MCS support)
2171  *
2172  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2173  * vary for a given BW/MCS. This function parses the data.
2174  *
2175  * Note: This function is exported by cfg80211.
2176  */
2177 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2178                               enum ieee80211_vht_chanwidth bw,
2179                               int mcs, bool ext_nss_bw_capable,
2180                               unsigned int max_vht_nss);
2181
2182 /**
2183  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2184  *
2185  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2186  * @IEEE80211_REG_LPI: Indoor Access Point
2187  * @IEEE80211_REG_SP: Standard power Access Point
2188  * @IEEE80211_REG_VLP: Very low power Access Point
2189  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2190  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2191  */
2192 enum ieee80211_ap_reg_power {
2193         IEEE80211_REG_UNSET_AP,
2194         IEEE80211_REG_LPI_AP,
2195         IEEE80211_REG_SP_AP,
2196         IEEE80211_REG_VLP_AP,
2197         IEEE80211_REG_AP_POWER_AFTER_LAST,
2198         IEEE80211_REG_AP_POWER_MAX =
2199                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2200 };
2201
2202 /**
2203  * enum ieee80211_client_reg_power - regulatory power for a client
2204  *
2205  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2206  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2207  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2208  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2209  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2210  */
2211 enum ieee80211_client_reg_power {
2212         IEEE80211_REG_UNSET_CLIENT,
2213         IEEE80211_REG_DEFAULT_CLIENT,
2214         IEEE80211_REG_SUBORDINATE_CLIENT,
2215         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2216         IEEE80211_REG_CLIENT_POWER_MAX =
2217                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2218 };
2219
2220 /* 802.11ax HE MAC capabilities */
2221 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2222 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2223 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2224 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2225 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2226 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2227 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2228 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2229 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2230 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2231 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2232 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2233 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2234 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2235 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2236 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2237 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2238
2239 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2240 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2241 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2242 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2243 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2244 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2245 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2246 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2247 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2248 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2249 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2250 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2251 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2252 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2253 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2254 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2255 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2256 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2257
2258 /* Link adaptation is split between byte HE_MAC_CAP1 and
2259  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2260  * in which case the following values apply:
2261  * 0 = No feedback.
2262  * 1 = reserved.
2263  * 2 = Unsolicited feedback.
2264  * 3 = both
2265  */
2266 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2267
2268 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2269 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2270 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2271 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2272 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2273 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2274 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2275 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2276
2277 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2278 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2279
2280 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2281  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2282  * same field in the HE capabilities.
2283  */
2284 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2285 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2286 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2287 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2288 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2289 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2290 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2291 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2292
2293 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2294 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2295 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2296 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2297 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2298 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2299 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2300 /* Multi TID agg TX is split between byte #4 and #5
2301  * The value is a combination of B39,B40,B41
2302  */
2303 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2304
2305 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2306 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2307 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2308 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2309 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2310 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2311 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2312 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2313
2314 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2315 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2316 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2317
2318 /* 802.11ax HE PHY capabilities */
2319 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2320 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2321 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2322 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2323 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2324
2325 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2326 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2327 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2328
2329 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2330 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2331 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2332 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2333 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2334 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2335 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2336 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2337 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2338 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2339
2340 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2341 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2342 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2343 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2344 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2345 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2346
2347 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2348  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2349  * case it indicates support for Tx.
2350  */
2351 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2352 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2353
2354 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2355 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2356 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2357 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2358 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2359 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2360 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2361 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2362 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2363 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2364 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2365 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2366 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2367 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2368 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2369 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2370
2371 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2372 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2373
2374 /* Minimal allowed value of Max STS under 80MHz is 3 */
2375 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2376 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2377 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2378 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2379 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2380 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2381
2382 /* Minimal allowed value of Max STS above 80MHz is 3 */
2383 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2384 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2385 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2386 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2387 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2388 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2389
2390 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2391 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2392 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2393 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2394 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2395 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2396 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2397 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2398 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2399
2400 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2401 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2402 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2403 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2404 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2405 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2406 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2407 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2408 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2409
2410 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2411 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2412
2413 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2414 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2415 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2416 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2417 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2418 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2419 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2420 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2421
2422 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2423 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2424 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2425 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2426 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2427 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2428 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2429 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2430 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2431 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2432 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2433 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2434 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2435
2436 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2437 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2438 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2439 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2440 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2441 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2442 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2443 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2444 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2445 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2446 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2447
2448 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2449 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2450 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2451 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2452 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2453 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2454 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2455 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2456 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2457 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2458 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2459 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2460
2461 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2462
2463 /* 802.11ax HE TX/RX MCS NSS Support  */
2464 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2465 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2466 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2467 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2468 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2469
2470 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2471 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2472         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2473         HIGHEST_MCS_SUPPORTED_MCS8,
2474         HIGHEST_MCS_SUPPORTED_MCS9,
2475         HIGHEST_MCS_SUPPORTED_MCS10,
2476         HIGHEST_MCS_SUPPORTED_MCS11,
2477 };
2478
2479 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2480 static inline u8
2481 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2482 {
2483         u8 count = 4;
2484
2485         if (he_cap->phy_cap_info[0] &
2486             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2487                 count += 4;
2488
2489         if (he_cap->phy_cap_info[0] &
2490             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2491                 count += 4;
2492
2493         return count;
2494 }
2495
2496 /* 802.11ax HE PPE Thresholds */
2497 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2498 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2499 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2500 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2501         (BIT(5) | BIT(6))
2502 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2503 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2504 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2505 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2506
2507 /*
2508  * Calculate 802.11ax HE capabilities IE PPE field size
2509  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2510  */
2511 static inline u8
2512 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2513 {
2514         u8 n;
2515
2516         if ((phy_cap_info[6] &
2517              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2518                 return 0;
2519
2520         n = hweight8(ppe_thres_hdr &
2521                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2522         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2523                    IEEE80211_PPE_THRES_NSS_POS));
2524
2525         /*
2526          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2527          * total size.
2528          */
2529         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2530         n = DIV_ROUND_UP(n, 8);
2531
2532         return n;
2533 }
2534
2535 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2536 {
2537         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2538         u8 needed = sizeof(*he_cap_ie_elem);
2539
2540         if (len < needed)
2541                 return false;
2542
2543         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2544         if (len < needed)
2545                 return false;
2546
2547         if (he_cap_ie_elem->phy_cap_info[6] &
2548                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2549                 if (len < needed + 1)
2550                         return false;
2551                 needed += ieee80211_he_ppe_size(data[needed],
2552                                                 he_cap_ie_elem->phy_cap_info);
2553         }
2554
2555         return len >= needed;
2556 }
2557
2558 /* HE Operation defines */
2559 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2560 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2561 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2562 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2563 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2564 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2565 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2566 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2567 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2568 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2569 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2570 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2571
2572 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2573 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2574
2575 /**
2576  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2577  * @primary: primary channel
2578  * @control: control flags
2579  * @ccfs0: channel center frequency segment 0
2580  * @ccfs1: channel center frequency segment 1
2581  * @minrate: minimum rate (in 1 Mbps units)
2582  */
2583 struct ieee80211_he_6ghz_oper {
2584         u8 primary;
2585 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2586 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2587 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2588 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2589 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2590 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2591 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2592         u8 control;
2593         u8 ccfs0;
2594         u8 ccfs1;
2595         u8 minrate;
2596 } __packed;
2597
2598 /*
2599  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2600  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2601  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2602  * Info subfield encoding in the United States".
2603  * So it it totally max 8 Transmit Power Envelope element.
2604  */
2605 #define IEEE80211_TPE_MAX_IE_COUNT      8
2606 /*
2607  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2608  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2609  */
2610 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2611
2612 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2613
2614 /* transmit power interpretation type of transmit power envelope element */
2615 enum ieee80211_tx_power_intrpt_type {
2616         IEEE80211_TPE_LOCAL_EIRP,
2617         IEEE80211_TPE_LOCAL_EIRP_PSD,
2618         IEEE80211_TPE_REG_CLIENT_EIRP,
2619         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2620 };
2621
2622 /**
2623  * struct ieee80211_tx_pwr_env
2624  *
2625  * This structure represents the "Transmit Power Envelope element"
2626  */
2627 struct ieee80211_tx_pwr_env {
2628         u8 tx_power_info;
2629         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2630 } __packed;
2631
2632 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2633 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2634 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2635
2636 /*
2637  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2638  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2639  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2640  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2641  *      validated this.
2642  * @return the actual size of the IE data (not including header), or 0 on error
2643  */
2644 static inline u8
2645 ieee80211_he_oper_size(const u8 *he_oper_ie)
2646 {
2647         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2648         u8 oper_len = sizeof(struct ieee80211_he_operation);
2649         u32 he_oper_params;
2650
2651         /* Make sure the input is not NULL */
2652         if (!he_oper_ie)
2653                 return 0;
2654
2655         /* Calc required length */
2656         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2657         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2658                 oper_len += 3;
2659         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2660                 oper_len++;
2661         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2662                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2663
2664         /* Add the first byte (extension ID) to the total length */
2665         oper_len++;
2666
2667         return oper_len;
2668 }
2669
2670 /**
2671  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2672  * @he_oper: HE operation element (must be pre-validated for size)
2673  *      but may be %NULL
2674  *
2675  * Return: a pointer to the 6 GHz operation field, or %NULL
2676  */
2677 static inline const struct ieee80211_he_6ghz_oper *
2678 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2679 {
2680         const u8 *ret = (const void *)&he_oper->optional;
2681         u32 he_oper_params;
2682
2683         if (!he_oper)
2684                 return NULL;
2685
2686         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2687
2688         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2689                 return NULL;
2690         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2691                 ret += 3;
2692         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2693                 ret++;
2694
2695         return (const void *)ret;
2696 }
2697
2698 /* HE Spatial Reuse defines */
2699 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2700 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2701 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2702 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2703 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2704
2705 /*
2706  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2707  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2708  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2709  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2710  *      this
2711  * @return the actual size of the IE data (not including header), or 0 on error
2712  */
2713 static inline u8
2714 ieee80211_he_spr_size(const u8 *he_spr_ie)
2715 {
2716         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2717         u8 spr_len = sizeof(struct ieee80211_he_spr);
2718         u8 he_spr_params;
2719
2720         /* Make sure the input is not NULL */
2721         if (!he_spr_ie)
2722                 return 0;
2723
2724         /* Calc required length */
2725         he_spr_params = he_spr->he_sr_control;
2726         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2727                 spr_len++;
2728         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2729                 spr_len += 18;
2730
2731         /* Add the first byte (extension ID) to the total length */
2732         spr_len++;
2733
2734         return spr_len;
2735 }
2736
2737 /* S1G Capabilities Information field */
2738 #define IEEE80211_S1G_CAPABILITY_LEN    15
2739
2740 #define S1G_CAP0_S1G_LONG       BIT(0)
2741 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2742 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2743 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2744 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2745 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2746 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2747
2748 #define S1G_SUPP_CH_WIDTH_2     0
2749 #define S1G_SUPP_CH_WIDTH_4     1
2750 #define S1G_SUPP_CH_WIDTH_8     2
2751 #define S1G_SUPP_CH_WIDTH_16    3
2752 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2753                                                     cap[0])) << 1)
2754
2755 #define S1G_CAP1_RX_LDPC        BIT(0)
2756 #define S1G_CAP1_TX_STBC        BIT(1)
2757 #define S1G_CAP1_RX_STBC        BIT(2)
2758 #define S1G_CAP1_SU_BFER        BIT(3)
2759 #define S1G_CAP1_SU_BFEE        BIT(4)
2760 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2761
2762 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2763 #define S1G_CAP2_MU_BFER                BIT(3)
2764 #define S1G_CAP2_MU_BFEE                BIT(4)
2765 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2766 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2767
2768 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2769 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2770 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2771 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2772 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2773
2774 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2775 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2776 #define S1G_CAP4_BAT            BIT(2)
2777 #define S1G_CAP4_TIME_ADE       BIT(3)
2778 #define S1G_CAP4_NON_TIM        BIT(4)
2779 #define S1G_CAP4_GROUP_AID      BIT(5)
2780 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2781
2782 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2783 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2784 #define S1G_CAP5_AMSDU                  BIT(2)
2785 #define S1G_CAP5_AMPDU                  BIT(3)
2786 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2787 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2788 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2789
2790 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2791 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2792 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2793 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2794 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2795 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2796 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2797
2798 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2799 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2800 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2801 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2802 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2803 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2804 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2805 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2806
2807 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2808 #define S1G_CAP8_BDT            BIT(1)
2809 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2810 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2811 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2812 #define S1G_CAP8_PV1_FRAME      BIT(7)
2813
2814 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2815
2816 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2817 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2818
2819 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2820 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2821 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2822 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2823 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2824 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2825 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2826 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2827 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2828 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2829 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2830
2831 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2832
2833 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2834 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2835 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2836 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2837 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2838 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2839 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2840
2841 /* EHT beamformee number of spatial streams <= 80MHz is split */
2842 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2843 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2844
2845 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2846 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2847
2848 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2849 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2850
2851 /* EHT number of sounding dimensions for 320MHz is split */
2852 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2853 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2854 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2855 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2856 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2857 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2858 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2859 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2860 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2861
2862 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2863 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2864 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2865 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2866 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2867
2868 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2869 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2870 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2871 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2872 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2873 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2874 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2875 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2876 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2877
2878 /* Maximum number of supported EHT LTF is split */
2879 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2880 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF               0x40
2881 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2882
2883 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2884 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2885
2886 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2887 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2888 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2889 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2890 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2891 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2892 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2893 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2894
2895 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2896 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2897
2898 /*
2899  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2900  */
2901 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2902 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2903 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2904 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2905 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2906 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2907
2908 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2909 static inline u8
2910 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2911                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2912                            bool from_ap)
2913 {
2914         u8 count = 0;
2915
2916         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2917         if (he_cap->phy_cap_info[0] &
2918             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2919                 return 3;
2920
2921         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2922         if (he_cap->phy_cap_info[0] &
2923             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2924                 count += 3;
2925
2926         if (he_cap->phy_cap_info[0] &
2927             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2928                 count += 3;
2929
2930         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2931                 count += 3;
2932
2933         if (count)
2934                 return count;
2935
2936         return from_ap ? 3 : 4;
2937 }
2938
2939 /* 802.11be EHT PPE Thresholds */
2940 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2941 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2942 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2943 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2944 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2945
2946 /*
2947  * Calculate 802.11be EHT capabilities IE EHT field size
2948  */
2949 static inline u8
2950 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2951 {
2952         u32 n;
2953
2954         if (!(phy_cap_info[5] &
2955               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2956                 return 0;
2957
2958         n = hweight16(ppe_thres_hdr &
2959                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2960         n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
2961
2962         /*
2963          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2964          * total size.
2965          */
2966         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2967             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2968         return DIV_ROUND_UP(n, 8);
2969 }
2970
2971 static inline bool
2972 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2973                            bool from_ap)
2974 {
2975         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2976         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2977
2978         if (len < needed || !he_capa)
2979                 return false;
2980
2981         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2982                                              (const void *)data,
2983                                              from_ap);
2984         if (len < needed)
2985                 return false;
2986
2987         if (elem->phy_cap_info[5] &
2988                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2989                 u16 ppe_thres_hdr;
2990
2991                 if (len < needed + sizeof(ppe_thres_hdr))
2992                         return false;
2993
2994                 ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
2995                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2996                                                  elem->phy_cap_info);
2997         }
2998
2999         return len >= needed;
3000 }
3001
3002 static inline bool
3003 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3004 {
3005         const struct ieee80211_eht_operation *elem = (const void *)data;
3006         u8 needed = sizeof(*elem);
3007
3008         if (len < needed)
3009                 return false;
3010
3011         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3012                 needed += 3;
3013
3014                 if (elem->params &
3015                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3016                         needed += 2;
3017         }
3018
3019         return len >= needed;
3020 }
3021
3022 #define LISTEN_INT_USF  GENMASK(15, 14)
3023 #define LISTEN_INT_UI   GENMASK(13, 0)
3024
3025 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3026 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3027
3028 /* Authentication algorithms */
3029 #define WLAN_AUTH_OPEN 0
3030 #define WLAN_AUTH_SHARED_KEY 1
3031 #define WLAN_AUTH_FT 2
3032 #define WLAN_AUTH_SAE 3
3033 #define WLAN_AUTH_FILS_SK 4
3034 #define WLAN_AUTH_FILS_SK_PFS 5
3035 #define WLAN_AUTH_FILS_PK 6
3036 #define WLAN_AUTH_LEAP 128
3037
3038 #define WLAN_AUTH_CHALLENGE_LEN 128
3039
3040 #define WLAN_CAPABILITY_ESS             (1<<0)
3041 #define WLAN_CAPABILITY_IBSS            (1<<1)
3042
3043 /*
3044  * A mesh STA sets the ESS and IBSS capability bits to zero.
3045  * however, this holds true for p2p probe responses (in the p2p_find
3046  * phase) as well.
3047  */
3048 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3049         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3050
3051 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3052 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3053 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3054 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3055 #define WLAN_CAPABILITY_PBCC            (1<<6)
3056 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3057
3058 /* 802.11h */
3059 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3060 #define WLAN_CAPABILITY_QOS             (1<<9)
3061 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3062 #define WLAN_CAPABILITY_APSD            (1<<11)
3063 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3064 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3065 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3066 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3067
3068 /* DMG (60gHz) 802.11ad */
3069 /* type - bits 0..1 */
3070 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3071 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3072 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3073 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3074
3075 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3076 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3077 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3078 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3079
3080 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3081 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3082
3083 /* measurement */
3084 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3085 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3086 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3087
3088 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3089 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3090 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3091 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3092 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3093
3094 /* 802.11g ERP information element */
3095 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3096 #define WLAN_ERP_USE_PROTECTION (1<<1)
3097 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3098
3099 /* WLAN_ERP_BARKER_PREAMBLE values */
3100 enum {
3101         WLAN_ERP_PREAMBLE_SHORT = 0,
3102         WLAN_ERP_PREAMBLE_LONG = 1,
3103 };
3104
3105 /* Band ID, 802.11ad #8.4.1.45 */
3106 enum {
3107         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3108         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3109         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3110         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3111         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3112         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3113 };
3114
3115 /* Status codes */
3116 enum ieee80211_statuscode {
3117         WLAN_STATUS_SUCCESS = 0,
3118         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3119         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3120         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3121         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3122         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3123         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3124         WLAN_STATUS_CHALLENGE_FAIL = 15,
3125         WLAN_STATUS_AUTH_TIMEOUT = 16,
3126         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3127         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3128         /* 802.11b */
3129         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3130         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3131         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3132         /* 802.11h */
3133         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3134         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3135         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3136         /* 802.11g */
3137         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3138         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3139         /* 802.11w */
3140         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3141         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3142         /* 802.11i */
3143         WLAN_STATUS_INVALID_IE = 40,
3144         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3145         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3146         WLAN_STATUS_INVALID_AKMP = 43,
3147         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3148         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3149         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3150         /* 802.11e */
3151         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3152         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3153         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3154         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3155         WLAN_STATUS_REQUEST_DECLINED = 37,
3156         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3157         WLAN_STATUS_CHANGE_TSPEC = 39,
3158         WLAN_STATUS_WAIT_TS_DELAY = 47,
3159         WLAN_STATUS_NO_DIRECT_LINK = 48,
3160         WLAN_STATUS_STA_NOT_PRESENT = 49,
3161         WLAN_STATUS_STA_NOT_QSTA = 50,
3162         /* 802.11s */
3163         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3164         WLAN_STATUS_FCG_NOT_SUPP = 78,
3165         WLAN_STATUS_STA_NO_TBTT = 78,
3166         /* 802.11ad */
3167         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3168         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3169         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3170         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3171         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3172         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3173         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3174         WLAN_STATUS_REJECT_DSE_BAND = 96,
3175         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3176         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3177         /* 802.11ai */
3178         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3179         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3180         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3181         WLAN_STATUS_SAE_PK = 127,
3182 };
3183
3184
3185 /* Reason codes */
3186 enum ieee80211_reasoncode {
3187         WLAN_REASON_UNSPECIFIED = 1,
3188         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3189         WLAN_REASON_DEAUTH_LEAVING = 3,
3190         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3191         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3192         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3193         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3194         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3195         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3196         /* 802.11h */
3197         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3198         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3199         /* 802.11i */
3200         WLAN_REASON_INVALID_IE = 13,
3201         WLAN_REASON_MIC_FAILURE = 14,
3202         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3203         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3204         WLAN_REASON_IE_DIFFERENT = 17,
3205         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3206         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3207         WLAN_REASON_INVALID_AKMP = 20,
3208         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3209         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3210         WLAN_REASON_IEEE8021X_FAILED = 23,
3211         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3212         /* TDLS (802.11z) */
3213         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3214         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3215         /* 802.11e */
3216         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3217         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3218         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3219         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3220         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3221         WLAN_REASON_QSTA_NOT_USE = 37,
3222         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3223         WLAN_REASON_QSTA_TIMEOUT = 39,
3224         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3225         /* 802.11s */
3226         WLAN_REASON_MESH_PEER_CANCELED = 52,
3227         WLAN_REASON_MESH_MAX_PEERS = 53,
3228         WLAN_REASON_MESH_CONFIG = 54,
3229         WLAN_REASON_MESH_CLOSE = 55,
3230         WLAN_REASON_MESH_MAX_RETRIES = 56,
3231         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3232         WLAN_REASON_MESH_INVALID_GTK = 58,
3233         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3234         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3235         WLAN_REASON_MESH_PATH_ERROR = 61,
3236         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3237         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3238         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3239         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3240         WLAN_REASON_MESH_CHAN = 66,
3241 };
3242
3243
3244 /* Information Element IDs */
3245 enum ieee80211_eid {
3246         WLAN_EID_SSID = 0,
3247         WLAN_EID_SUPP_RATES = 1,
3248         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3249         WLAN_EID_DS_PARAMS = 3,
3250         WLAN_EID_CF_PARAMS = 4,
3251         WLAN_EID_TIM = 5,
3252         WLAN_EID_IBSS_PARAMS = 6,
3253         WLAN_EID_COUNTRY = 7,
3254         /* 8, 9 reserved */
3255         WLAN_EID_REQUEST = 10,
3256         WLAN_EID_QBSS_LOAD = 11,
3257         WLAN_EID_EDCA_PARAM_SET = 12,
3258         WLAN_EID_TSPEC = 13,
3259         WLAN_EID_TCLAS = 14,
3260         WLAN_EID_SCHEDULE = 15,
3261         WLAN_EID_CHALLENGE = 16,
3262         /* 17-31 reserved for challenge text extension */
3263         WLAN_EID_PWR_CONSTRAINT = 32,
3264         WLAN_EID_PWR_CAPABILITY = 33,
3265         WLAN_EID_TPC_REQUEST = 34,
3266         WLAN_EID_TPC_REPORT = 35,
3267         WLAN_EID_SUPPORTED_CHANNELS = 36,
3268         WLAN_EID_CHANNEL_SWITCH = 37,
3269         WLAN_EID_MEASURE_REQUEST = 38,
3270         WLAN_EID_MEASURE_REPORT = 39,
3271         WLAN_EID_QUIET = 40,
3272         WLAN_EID_IBSS_DFS = 41,
3273         WLAN_EID_ERP_INFO = 42,
3274         WLAN_EID_TS_DELAY = 43,
3275         WLAN_EID_TCLAS_PROCESSING = 44,
3276         WLAN_EID_HT_CAPABILITY = 45,
3277         WLAN_EID_QOS_CAPA = 46,
3278         /* 47 reserved for Broadcom */
3279         WLAN_EID_RSN = 48,
3280         WLAN_EID_802_15_COEX = 49,
3281         WLAN_EID_EXT_SUPP_RATES = 50,
3282         WLAN_EID_AP_CHAN_REPORT = 51,
3283         WLAN_EID_NEIGHBOR_REPORT = 52,
3284         WLAN_EID_RCPI = 53,
3285         WLAN_EID_MOBILITY_DOMAIN = 54,
3286         WLAN_EID_FAST_BSS_TRANSITION = 55,
3287         WLAN_EID_TIMEOUT_INTERVAL = 56,
3288         WLAN_EID_RIC_DATA = 57,
3289         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3290         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3291         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3292         WLAN_EID_HT_OPERATION = 61,
3293         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3294         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3295         WLAN_EID_ANTENNA_INFO = 64,
3296         WLAN_EID_RSNI = 65,
3297         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3298         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3299         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3300         WLAN_EID_TIME_ADVERTISEMENT = 69,
3301         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3302         WLAN_EID_MULTIPLE_BSSID = 71,
3303         WLAN_EID_BSS_COEX_2040 = 72,
3304         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3305         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3306         WLAN_EID_RIC_DESCRIPTOR = 75,
3307         WLAN_EID_MMIE = 76,
3308         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3309         WLAN_EID_EVENT_REQUEST = 78,
3310         WLAN_EID_EVENT_REPORT = 79,
3311         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3312         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3313         WLAN_EID_LOCATION_PARAMS = 82,
3314         WLAN_EID_NON_TX_BSSID_CAP =  83,
3315         WLAN_EID_SSID_LIST = 84,
3316         WLAN_EID_MULTI_BSSID_IDX = 85,
3317         WLAN_EID_FMS_DESCRIPTOR = 86,
3318         WLAN_EID_FMS_REQUEST = 87,
3319         WLAN_EID_FMS_RESPONSE = 88,
3320         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3321         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3322         WLAN_EID_TSF_REQUEST = 91,
3323         WLAN_EID_TSF_RESPOSNE = 92,
3324         WLAN_EID_WNM_SLEEP_MODE = 93,
3325         WLAN_EID_TIM_BCAST_REQ = 94,
3326         WLAN_EID_TIM_BCAST_RESP = 95,
3327         WLAN_EID_COLL_IF_REPORT = 96,
3328         WLAN_EID_CHANNEL_USAGE = 97,
3329         WLAN_EID_TIME_ZONE = 98,
3330         WLAN_EID_DMS_REQUEST = 99,
3331         WLAN_EID_DMS_RESPONSE = 100,
3332         WLAN_EID_LINK_ID = 101,
3333         WLAN_EID_WAKEUP_SCHEDUL = 102,
3334         /* 103 reserved */
3335         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3336         WLAN_EID_PTI_CONTROL = 105,
3337         WLAN_EID_PU_BUFFER_STATUS = 106,
3338         WLAN_EID_INTERWORKING = 107,
3339         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3340         WLAN_EID_EXPEDITED_BW_REQ = 109,
3341         WLAN_EID_QOS_MAP_SET = 110,
3342         WLAN_EID_ROAMING_CONSORTIUM = 111,
3343         WLAN_EID_EMERGENCY_ALERT = 112,
3344         WLAN_EID_MESH_CONFIG = 113,
3345         WLAN_EID_MESH_ID = 114,
3346         WLAN_EID_LINK_METRIC_REPORT = 115,
3347         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3348         WLAN_EID_PEER_MGMT = 117,
3349         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3350         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3351         WLAN_EID_BEACON_TIMING = 120,
3352         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3353         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3354         WLAN_EID_MCCAOP_ADVERT = 123,
3355         WLAN_EID_MCCAOP_TEARDOWN = 124,
3356         WLAN_EID_GANN = 125,
3357         WLAN_EID_RANN = 126,
3358         WLAN_EID_EXT_CAPABILITY = 127,
3359         /* 128, 129 reserved for Agere */
3360         WLAN_EID_PREQ = 130,
3361         WLAN_EID_PREP = 131,
3362         WLAN_EID_PERR = 132,
3363         /* 133-136 reserved for Cisco */
3364         WLAN_EID_PXU = 137,
3365         WLAN_EID_PXUC = 138,
3366         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3367         WLAN_EID_MIC = 140,
3368         WLAN_EID_DESTINATION_URI = 141,
3369         WLAN_EID_UAPSD_COEX = 142,
3370         WLAN_EID_WAKEUP_SCHEDULE = 143,
3371         WLAN_EID_EXT_SCHEDULE = 144,
3372         WLAN_EID_STA_AVAILABILITY = 145,
3373         WLAN_EID_DMG_TSPEC = 146,
3374         WLAN_EID_DMG_AT = 147,
3375         WLAN_EID_DMG_CAP = 148,
3376         /* 149 reserved for Cisco */
3377         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3378         WLAN_EID_DMG_OPERATION = 151,
3379         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3380         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3381         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3382         /* 155-156 reserved for Cisco */
3383         WLAN_EID_AWAKE_WINDOW = 157,
3384         WLAN_EID_MULTI_BAND = 158,
3385         WLAN_EID_ADDBA_EXT = 159,
3386         WLAN_EID_NEXT_PCP_LIST = 160,
3387         WLAN_EID_PCP_HANDOVER = 161,
3388         WLAN_EID_DMG_LINK_MARGIN = 162,
3389         WLAN_EID_SWITCHING_STREAM = 163,
3390         WLAN_EID_SESSION_TRANSITION = 164,
3391         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3392         WLAN_EID_CLUSTER_REPORT = 166,
3393         WLAN_EID_RELAY_CAP = 167,
3394         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3395         WLAN_EID_BEAM_LINK_MAINT = 169,
3396         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3397         WLAN_EID_U_PID = 171,
3398         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3399         /* 173 reserved for Symbol */
3400         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3401         WLAN_EID_QUIET_PERIOD_REQ = 175,
3402         /* 176 reserved for Symbol */
3403         WLAN_EID_QUIET_PERIOD_RESP = 177,
3404         /* 178-179 reserved for Symbol */
3405         /* 180 reserved for ISO/IEC 20011 */
3406         WLAN_EID_EPAC_POLICY = 182,
3407         WLAN_EID_CLISTER_TIME_OFF = 183,
3408         WLAN_EID_INTER_AC_PRIO = 184,
3409         WLAN_EID_SCS_DESCRIPTOR = 185,
3410         WLAN_EID_QLOAD_REPORT = 186,
3411         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3412         WLAN_EID_HL_STREAM_ID = 188,
3413         WLAN_EID_GCR_GROUP_ADDR = 189,
3414         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3415         WLAN_EID_VHT_CAPABILITY = 191,
3416         WLAN_EID_VHT_OPERATION = 192,
3417         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3418         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3419         WLAN_EID_TX_POWER_ENVELOPE = 195,
3420         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3421         WLAN_EID_AID = 197,
3422         WLAN_EID_QUIET_CHANNEL = 198,
3423         WLAN_EID_OPMODE_NOTIF = 199,
3424
3425         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3426
3427         WLAN_EID_AID_REQUEST = 210,
3428         WLAN_EID_AID_RESPONSE = 211,
3429         WLAN_EID_S1G_BCN_COMPAT = 213,
3430         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3431         WLAN_EID_S1G_TWT = 216,
3432         WLAN_EID_S1G_CAPABILITIES = 217,
3433         WLAN_EID_VENDOR_SPECIFIC = 221,
3434         WLAN_EID_QOS_PARAMETER = 222,
3435         WLAN_EID_S1G_OPERATION = 232,
3436         WLAN_EID_CAG_NUMBER = 237,
3437         WLAN_EID_AP_CSN = 239,
3438         WLAN_EID_FILS_INDICATION = 240,
3439         WLAN_EID_DILS = 241,
3440         WLAN_EID_FRAGMENT = 242,
3441         WLAN_EID_RSNX = 244,
3442         WLAN_EID_EXTENSION = 255
3443 };
3444
3445 /* Element ID Extensions for Element ID 255 */
3446 enum ieee80211_eid_ext {
3447         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3448         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3449         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3450         WLAN_EID_EXT_FILS_SESSION = 4,
3451         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3452         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3453         WLAN_EID_EXT_KEY_DELIVERY = 7,
3454         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3455         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3456         WLAN_EID_EXT_FILS_NONCE = 13,
3457         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3458         WLAN_EID_EXT_HE_CAPABILITY = 35,
3459         WLAN_EID_EXT_HE_OPERATION = 36,
3460         WLAN_EID_EXT_UORA = 37,
3461         WLAN_EID_EXT_HE_MU_EDCA = 38,
3462         WLAN_EID_EXT_HE_SPR = 39,
3463         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3464         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3465         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3466         WLAN_EID_EXT_ESS_REPORT = 45,
3467         WLAN_EID_EXT_OPS = 46,
3468         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3469         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3470         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3471         WLAN_EID_EXT_NON_INHERITANCE = 56,
3472         WLAN_EID_EXT_KNOWN_BSSID = 57,
3473         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3474         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3475         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3476         WLAN_EID_EXT_EHT_OPERATION = 106,
3477         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3478         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3479 };
3480
3481 /* Action category code */
3482 enum ieee80211_category {
3483         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3484         WLAN_CATEGORY_QOS = 1,
3485         WLAN_CATEGORY_DLS = 2,
3486         WLAN_CATEGORY_BACK = 3,
3487         WLAN_CATEGORY_PUBLIC = 4,
3488         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3489         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3490         WLAN_CATEGORY_HT = 7,
3491         WLAN_CATEGORY_SA_QUERY = 8,
3492         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3493         WLAN_CATEGORY_WNM = 10,
3494         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3495         WLAN_CATEGORY_TDLS = 12,
3496         WLAN_CATEGORY_MESH_ACTION = 13,
3497         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3498         WLAN_CATEGORY_SELF_PROTECTED = 15,
3499         WLAN_CATEGORY_DMG = 16,
3500         WLAN_CATEGORY_WMM = 17,
3501         WLAN_CATEGORY_FST = 18,
3502         WLAN_CATEGORY_UNPROT_DMG = 20,
3503         WLAN_CATEGORY_VHT = 21,
3504         WLAN_CATEGORY_S1G = 22,
3505         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3506         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3507 };
3508
3509 /* SPECTRUM_MGMT action code */
3510 enum ieee80211_spectrum_mgmt_actioncode {
3511         WLAN_ACTION_SPCT_MSR_REQ = 0,
3512         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3513         WLAN_ACTION_SPCT_TPC_REQ = 2,
3514         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3515         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3516 };
3517
3518 /* HT action codes */
3519 enum ieee80211_ht_actioncode {
3520         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3521         WLAN_HT_ACTION_SMPS = 1,
3522         WLAN_HT_ACTION_PSMP = 2,
3523         WLAN_HT_ACTION_PCO_PHASE = 3,
3524         WLAN_HT_ACTION_CSI = 4,
3525         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3526         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3527         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3528 };
3529
3530 /* VHT action codes */
3531 enum ieee80211_vht_actioncode {
3532         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3533         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3534         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3535 };
3536
3537 /* Self Protected Action codes */
3538 enum ieee80211_self_protected_actioncode {
3539         WLAN_SP_RESERVED = 0,
3540         WLAN_SP_MESH_PEERING_OPEN = 1,
3541         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3542         WLAN_SP_MESH_PEERING_CLOSE = 3,
3543         WLAN_SP_MGK_INFORM = 4,
3544         WLAN_SP_MGK_ACK = 5,
3545 };
3546
3547 /* Mesh action codes */
3548 enum ieee80211_mesh_actioncode {
3549         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3550         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3551         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3552         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3553         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3554         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3555         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3556         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3557         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3558         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3559         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3560 };
3561
3562 /* Unprotected WNM action codes */
3563 enum ieee80211_unprotected_wnm_actioncode {
3564         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3565         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3566 };
3567
3568 /* Security key length */
3569 enum ieee80211_key_len {
3570         WLAN_KEY_LEN_WEP40 = 5,
3571         WLAN_KEY_LEN_WEP104 = 13,
3572         WLAN_KEY_LEN_CCMP = 16,
3573         WLAN_KEY_LEN_CCMP_256 = 32,
3574         WLAN_KEY_LEN_TKIP = 32,
3575         WLAN_KEY_LEN_AES_CMAC = 16,
3576         WLAN_KEY_LEN_SMS4 = 32,
3577         WLAN_KEY_LEN_GCMP = 16,
3578         WLAN_KEY_LEN_GCMP_256 = 32,
3579         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3580         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3581         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3582 };
3583
3584 enum ieee80211_s1g_actioncode {
3585         WLAN_S1G_AID_SWITCH_REQUEST,
3586         WLAN_S1G_AID_SWITCH_RESPONSE,
3587         WLAN_S1G_SYNC_CONTROL,
3588         WLAN_S1G_STA_INFO_ANNOUNCE,
3589         WLAN_S1G_EDCA_PARAM_SET,
3590         WLAN_S1G_EL_OPERATION,
3591         WLAN_S1G_TWT_SETUP,
3592         WLAN_S1G_TWT_TEARDOWN,
3593         WLAN_S1G_SECT_GROUP_ID_LIST,
3594         WLAN_S1G_SECT_ID_FEEDBACK,
3595         WLAN_S1G_TWT_INFORMATION = 11,
3596 };
3597
3598 #define IEEE80211_WEP_IV_LEN            4
3599 #define IEEE80211_WEP_ICV_LEN           4
3600 #define IEEE80211_CCMP_HDR_LEN          8
3601 #define IEEE80211_CCMP_MIC_LEN          8
3602 #define IEEE80211_CCMP_PN_LEN           6
3603 #define IEEE80211_CCMP_256_HDR_LEN      8
3604 #define IEEE80211_CCMP_256_MIC_LEN      16
3605 #define IEEE80211_CCMP_256_PN_LEN       6
3606 #define IEEE80211_TKIP_IV_LEN           8
3607 #define IEEE80211_TKIP_ICV_LEN          4
3608 #define IEEE80211_CMAC_PN_LEN           6
3609 #define IEEE80211_GMAC_PN_LEN           6
3610 #define IEEE80211_GCMP_HDR_LEN          8
3611 #define IEEE80211_GCMP_MIC_LEN          16
3612 #define IEEE80211_GCMP_PN_LEN           6
3613
3614 #define FILS_NONCE_LEN                  16
3615 #define FILS_MAX_KEK_LEN                64
3616
3617 #define FILS_ERP_MAX_USERNAME_LEN       16
3618 #define FILS_ERP_MAX_REALM_LEN          253
3619 #define FILS_ERP_MAX_RRK_LEN            64
3620
3621 #define PMK_MAX_LEN                     64
3622 #define SAE_PASSWORD_MAX_LEN            128
3623
3624 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3625 enum ieee80211_pub_actioncode {
3626         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3627         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3628         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3629         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3630         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3631         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3632         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3633         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3634         WLAN_PUB_ACTION_DSE_PC = 8,
3635         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3636         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3637         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3638         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3639         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3640         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3641         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3642         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3643         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3644         WLAN_PUB_ACTION_QMF_POLICY = 18,
3645         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3646         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3647         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3648         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3649         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3650         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3651         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3652         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3653         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3654         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3655         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3656         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3657         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3658         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3659         WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3660         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3661 };
3662
3663 /* TDLS action codes */
3664 enum ieee80211_tdls_actioncode {
3665         WLAN_TDLS_SETUP_REQUEST = 0,
3666         WLAN_TDLS_SETUP_RESPONSE = 1,
3667         WLAN_TDLS_SETUP_CONFIRM = 2,
3668         WLAN_TDLS_TEARDOWN = 3,
3669         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3670         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3671         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3672         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3673         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3674         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3675         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3676 };
3677
3678 /* Extended Channel Switching capability to be set in the 1st byte of
3679  * the @WLAN_EID_EXT_CAPABILITY information element
3680  */
3681 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3682
3683 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3684  * @WLAN_EID_EXT_CAPABILITY information element
3685  */
3686 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3687
3688 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3689  * of the @WLAN_EID_EXT_CAPABILITY information element
3690  */
3691 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3692
3693 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3694 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3695 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3696 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3697
3698 /* Interworking capabilities are set in 7th bit of 4th byte of the
3699  * @WLAN_EID_EXT_CAPABILITY information element
3700  */
3701 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3702
3703 /*
3704  * TDLS capabililites to be enabled in the 5th byte of the
3705  * @WLAN_EID_EXT_CAPABILITY information element
3706  */
3707 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3708 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3709 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3710
3711 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3712 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3713
3714 /* Defines the maximal number of MSDUs in an A-MSDU. */
3715 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3716 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3717
3718 /*
3719  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3720  * information element
3721  */
3722 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3723
3724 /* Defines support for TWT Requester and TWT Responder */
3725 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3726 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3727
3728 /*
3729  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3730  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3731  * 26-tone RU UL OFDMA transmissions as radar pulses).
3732  */
3733 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3734
3735 /* Defines support for enhanced multi-bssid advertisement*/
3736 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3737
3738 /* TDLS specific payload type in the LLC/SNAP header */
3739 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3740
3741 /* BSS Coex IE information field bits */
3742 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3743
3744 /**
3745  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3746  *
3747  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3748  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3749  *      that will be specified in a vendor specific information element
3750  */
3751 enum ieee80211_mesh_sync_method {
3752         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3753         IEEE80211_SYNC_METHOD_VENDOR = 255,
3754 };
3755
3756 /**
3757  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3758  *
3759  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3760  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3761  *      be specified in a vendor specific information element
3762  */
3763 enum ieee80211_mesh_path_protocol {
3764         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3765         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3766 };
3767
3768 /**
3769  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3770  *
3771  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3772  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3773  *      specified in a vendor specific information element
3774  */
3775 enum ieee80211_mesh_path_metric {
3776         IEEE80211_PATH_METRIC_AIRTIME = 1,
3777         IEEE80211_PATH_METRIC_VENDOR = 255,
3778 };
3779
3780 /**
3781  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3782  *
3783  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3784  *
3785  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3786  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3787  *      this value
3788  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3789  *      the proactive PREQ with proactive PREP subfield set to 0
3790  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3791  *      supports the proactive PREQ with proactive PREP subfield set to 1
3792  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3793  *      the proactive RANN
3794  */
3795 enum ieee80211_root_mode_identifier {
3796         IEEE80211_ROOTMODE_NO_ROOT = 0,
3797         IEEE80211_ROOTMODE_ROOT = 1,
3798         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3799         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3800         IEEE80211_PROACTIVE_RANN = 4,
3801 };
3802
3803 /*
3804  * IEEE 802.11-2007 7.3.2.9 Country information element
3805  *
3806  * Minimum length is 8 octets, ie len must be evenly
3807  * divisible by 2
3808  */
3809
3810 /* Although the spec says 8 I'm seeing 6 in practice */
3811 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3812
3813 /* The Country String field of the element shall be 3 octets in length */
3814 #define IEEE80211_COUNTRY_STRING_LEN    3
3815
3816 /*
3817  * For regulatory extension stuff see IEEE 802.11-2007
3818  * Annex I (page 1141) and Annex J (page 1147). Also
3819  * review 7.3.2.9.
3820  *
3821  * When dot11RegulatoryClassesRequired is true and the
3822  * first_channel/reg_extension_id is >= 201 then the IE
3823  * compromises of the 'ext' struct represented below:
3824  *
3825  *  - Regulatory extension ID - when generating IE this just needs
3826  *    to be monotonically increasing for each triplet passed in
3827  *    the IE
3828  *  - Regulatory class - index into set of rules
3829  *  - Coverage class - index into air propagation time (Table 7-27),
3830  *    in microseconds, you can compute the air propagation time from
3831  *    the index by multiplying by 3, so index 10 yields a propagation
3832  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3833  *    yet. A value of 0 inicates air propagation of <= 1 us.
3834  *
3835  *  See also Table I.2 for Emission limit sets and table
3836  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3837  *  a reg_class to an emission limit set and behavior limit set.
3838  */
3839 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3840
3841 /*
3842  *  Channels numbers in the IE must be monotonically increasing
3843  *  if dot11RegulatoryClassesRequired is not true.
3844  *
3845  *  If dot11RegulatoryClassesRequired is true consecutive
3846  *  subband triplets following a regulatory triplet shall
3847  *  have monotonically increasing first_channel number fields.
3848  *
3849  *  Channel numbers shall not overlap.
3850  *
3851  *  Note that max_power is signed.
3852  */
3853 struct ieee80211_country_ie_triplet {
3854         union {
3855                 struct {
3856                         u8 first_channel;
3857                         u8 num_channels;
3858                         s8 max_power;
3859                 } __packed chans;
3860                 struct {
3861                         u8 reg_extension_id;
3862                         u8 reg_class;
3863                         u8 coverage_class;
3864                 } __packed ext;
3865         };
3866 } __packed;
3867
3868 enum ieee80211_timeout_interval_type {
3869         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3870         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3871         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3872 };
3873
3874 /**
3875  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3876  * @type: type, see &enum ieee80211_timeout_interval_type
3877  * @value: timeout interval value
3878  */
3879 struct ieee80211_timeout_interval_ie {
3880         u8 type;
3881         __le32 value;
3882 } __packed;
3883
3884 /**
3885  * enum ieee80211_idle_options - BSS idle options
3886  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3887  *      protected frame to the AP to reset the idle timer at the AP for
3888  *      the station.
3889  */
3890 enum ieee80211_idle_options {
3891         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3892 };
3893
3894 /**
3895  * struct ieee80211_bss_max_idle_period_ie
3896  *
3897  * This structure refers to "BSS Max idle period element"
3898  *
3899  * @max_idle_period: indicates the time period during which a station can
3900  *      refrain from transmitting frames to its associated AP without being
3901  *      disassociated. In units of 1000 TUs.
3902  * @idle_options: indicates the options associated with the BSS idle capability
3903  *      as specified in &enum ieee80211_idle_options.
3904  */
3905 struct ieee80211_bss_max_idle_period_ie {
3906         __le16 max_idle_period;
3907         u8 idle_options;
3908 } __packed;
3909
3910 /* BACK action code */
3911 enum ieee80211_back_actioncode {
3912         WLAN_ACTION_ADDBA_REQ = 0,
3913         WLAN_ACTION_ADDBA_RESP = 1,
3914         WLAN_ACTION_DELBA = 2,
3915 };
3916
3917 /* BACK (block-ack) parties */
3918 enum ieee80211_back_parties {
3919         WLAN_BACK_RECIPIENT = 0,
3920         WLAN_BACK_INITIATOR = 1,
3921 };
3922
3923 /* SA Query action */
3924 enum ieee80211_sa_query_action {
3925         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3926         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3927 };
3928
3929 /**
3930  * struct ieee80211_bssid_index
3931  *
3932  * This structure refers to "Multiple BSSID-index element"
3933  *
3934  * @bssid_index: BSSID index
3935  * @dtim_period: optional, overrides transmitted BSS dtim period
3936  * @dtim_count: optional, overrides transmitted BSS dtim count
3937  */
3938 struct ieee80211_bssid_index {
3939         u8 bssid_index;
3940         u8 dtim_period;
3941         u8 dtim_count;
3942 };
3943
3944 /**
3945  * struct ieee80211_multiple_bssid_configuration
3946  *
3947  * This structure refers to "Multiple BSSID Configuration element"
3948  *
3949  * @bssid_count: total number of active BSSIDs in the set
3950  * @profile_periodicity: the least number of beacon frames need to be received
3951  *      in order to discover all the nontransmitted BSSIDs in the set.
3952  */
3953 struct ieee80211_multiple_bssid_configuration {
3954         u8 bssid_count;
3955         u8 profile_periodicity;
3956 };
3957
3958 #define SUITE(oui, id) (((oui) << 8) | (id))
3959
3960 /* cipher suite selectors */
3961 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3962 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3963 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3964 /* reserved:                            SUITE(0x000FAC, 3) */
3965 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3966 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3967 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3968 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3969 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3970 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3971 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3972 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3973 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3974
3975 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3976
3977 /* AKM suite selectors */
3978 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3979 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3980 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3981 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3982 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3983 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3984 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3985 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3986 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3987 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3988 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3989 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3990 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3991 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3992 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3993 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3994 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3995 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3996 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3997 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3998
3999 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
4000
4001 #define WLAN_MAX_KEY_LEN                32
4002
4003 #define WLAN_PMK_NAME_LEN               16
4004 #define WLAN_PMKID_LEN                  16
4005 #define WLAN_PMK_LEN_EAP_LEAP           16
4006 #define WLAN_PMK_LEN                    32
4007 #define WLAN_PMK_LEN_SUITE_B_192        48
4008
4009 #define WLAN_OUI_WFA                    0x506f9a
4010 #define WLAN_OUI_TYPE_WFA_P2P           9
4011 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
4012 #define WLAN_OUI_MICROSOFT              0x0050f2
4013 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
4014 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
4015 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
4016 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
4017
4018 /*
4019  * WMM/802.11e Tspec Element
4020  */
4021 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4022 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4023
4024 enum ieee80211_tspec_status_code {
4025         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4026         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4027 };
4028
4029 struct ieee80211_tspec_ie {
4030         u8 element_id;
4031         u8 len;
4032         u8 oui[3];
4033         u8 oui_type;
4034         u8 oui_subtype;
4035         u8 version;
4036         __le16 tsinfo;
4037         u8 tsinfo_resvd;
4038         __le16 nominal_msdu;
4039         __le16 max_msdu;
4040         __le32 min_service_int;
4041         __le32 max_service_int;
4042         __le32 inactivity_int;
4043         __le32 suspension_int;
4044         __le32 service_start_time;
4045         __le32 min_data_rate;
4046         __le32 mean_data_rate;
4047         __le32 peak_data_rate;
4048         __le32 max_burst_size;
4049         __le32 delay_bound;
4050         __le32 min_phy_rate;
4051         __le16 sba;
4052         __le16 medium_time;
4053 } __packed;
4054
4055 struct ieee80211_he_6ghz_capa {
4056         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4057         __le16 capa;
4058 } __packed;
4059
4060 /* HE 6 GHz band capabilities */
4061 /* uses enum ieee80211_min_mpdu_spacing values */
4062 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4063 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4064 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4065 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4066 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4067 /* WLAN_HT_CAP_SM_PS_* values */
4068 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4069 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4070 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4071 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4072
4073 /**
4074  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4075  * @hdr: the frame
4076  *
4077  * The qos ctrl bytes come after the frame_control, duration, seq_num
4078  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4079  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4080  */
4081 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4082 {
4083         union {
4084                 struct ieee80211_qos_hdr        addr3;
4085                 struct ieee80211_qos_hdr_4addr  addr4;
4086         } *qos;
4087
4088         qos = (void *)hdr;
4089         if (ieee80211_has_a4(qos->addr3.frame_control))
4090                 return (u8 *)&qos->addr4.qos_ctrl;
4091         else
4092                 return (u8 *)&qos->addr3.qos_ctrl;
4093 }
4094
4095 /**
4096  * ieee80211_get_tid - get qos TID
4097  * @hdr: the frame
4098  */
4099 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4100 {
4101         u8 *qc = ieee80211_get_qos_ctl(hdr);
4102
4103         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4104 }
4105
4106 /**
4107  * ieee80211_get_SA - get pointer to SA
4108  * @hdr: the frame
4109  *
4110  * Given an 802.11 frame, this function returns the offset
4111  * to the source address (SA). It does not verify that the
4112  * header is long enough to contain the address, and the
4113  * header must be long enough to contain the frame control
4114  * field.
4115  */
4116 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4117 {
4118         if (ieee80211_has_a4(hdr->frame_control))
4119                 return hdr->addr4;
4120         if (ieee80211_has_fromds(hdr->frame_control))
4121                 return hdr->addr3;
4122         return hdr->addr2;
4123 }
4124
4125 /**
4126  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4127  * @skb: the skb to check, starting with the 802.11 header
4128  */
4129 static inline bool ieee80211_is_bufferable_mmpdu(struct ieee80211_hdr *hdr, size_t len)
4130 {
4131         struct ieee80211_mgmt *mgmt = (void *)hdr;
4132         __le16 fc = mgmt->frame_control;
4133
4134         /*
4135          * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4136          * note that this ignores the IBSS special case.
4137          */
4138         if (!ieee80211_is_mgmt(fc))
4139                 return false;
4140
4141         if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4142                 return true;
4143
4144         if (!ieee80211_is_action(fc))
4145                 return false;
4146
4147         if (len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4148                 return true;
4149
4150         /* action frame - additionally check for non-bufferable FTM */
4151
4152         if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4153             mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4154                 return true;
4155
4156         if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4157             mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4158                 return false;
4159
4160         return true;
4161 }
4162
4163 /**
4164  * ieee80211_get_DA - get pointer to DA
4165  * @hdr: the frame
4166  *
4167  * Given an 802.11 frame, this function returns the offset
4168  * to the destination address (DA). It does not verify that
4169  * the header is long enough to contain the address, and the
4170  * header must be long enough to contain the frame control
4171  * field.
4172  */
4173 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4174 {
4175         if (ieee80211_has_tods(hdr->frame_control))
4176                 return hdr->addr3;
4177         else
4178                 return hdr->addr1;
4179 }
4180
4181 /**
4182  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4183  * @hdr: the frame (buffer must include at least the first octet of payload)
4184  */
4185 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4186 {
4187         if (ieee80211_is_disassoc(hdr->frame_control) ||
4188             ieee80211_is_deauth(hdr->frame_control))
4189                 return true;
4190
4191         if (ieee80211_is_action(hdr->frame_control)) {
4192                 u8 *category;
4193
4194                 /*
4195                  * Action frames, excluding Public Action frames, are Robust
4196                  * Management Frames. However, if we are looking at a Protected
4197                  * frame, skip the check since the data may be encrypted and
4198                  * the frame has already been found to be a Robust Management
4199                  * Frame (by the other end).
4200                  */
4201                 if (ieee80211_has_protected(hdr->frame_control))
4202                         return true;
4203                 category = ((u8 *) hdr) + 24;
4204                 return *category != WLAN_CATEGORY_PUBLIC &&
4205                         *category != WLAN_CATEGORY_HT &&
4206                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4207                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4208                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4209                         *category != WLAN_CATEGORY_VHT &&
4210                         *category != WLAN_CATEGORY_S1G &&
4211                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4212         }
4213
4214         return false;
4215 }
4216
4217 /**
4218  * ieee80211_is_public_action - check if frame is a public action frame
4219  * @hdr: the frame
4220  * @len: length of the frame
4221  */
4222 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4223                                               size_t len)
4224 {
4225         struct ieee80211_mgmt *mgmt = (void *)hdr;
4226
4227         if (len < IEEE80211_MIN_ACTION_SIZE)
4228                 return false;
4229         if (!ieee80211_is_action(hdr->frame_control))
4230                 return false;
4231         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4232 }
4233
4234 static inline bool is_multicast_ether_addr(const u8 *a)
4235 {
4236         return 0x01 & a[0];
4237 }
4238
4239 /**
4240  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4241  * privacy action frame
4242  * @hdr: the frame
4243  */
4244 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4245 {
4246         struct ieee80211_mgmt *mgmt = (void *)hdr;
4247
4248         if (!ieee80211_is_action(hdr->frame_control) ||
4249             !is_multicast_ether_addr(hdr->addr1))
4250                 return false;
4251
4252         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4253                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4254 }
4255
4256 /**
4257  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4258  * @tu: the TUs
4259  */
4260 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4261 {
4262         return 1024 * tu;
4263 }
4264
4265 /**
4266  * ieee80211_check_tim - check if AID bit is set in TIM
4267  * @tim: the TIM IE
4268  * @tim_len: length of the TIM IE
4269  * @aid: the AID to look for
4270  */
4271 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4272                                        u8 tim_len, u16 aid)
4273 {
4274         u8 mask;
4275         u8 indexn0, indexn1, indexn2;
4276
4277         if (unlikely(!tim || tim_len < sizeof(*tim)))
4278                 return false;
4279
4280         aid &= 0x3fff;
4281         indexn0 = aid / 8;
4282         mask  = 1 << (aid & 7);
4283
4284         indexn1 = tim->bitmap_ctrl & 0xfe;
4285         indexn2 = tim_len + indexn1 - 4;
4286
4287         if (indexn0 < indexn1 || indexn0 > indexn2)
4288                 return false;
4289
4290         indexn0 -= indexn1;
4291
4292         return !!(tim->virtual_map[indexn0] & mask);
4293 }
4294
4295 /* convert time units */
4296 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
4297 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
4298
4299 static inline bool ieee80211_is_timing_measurement(struct ieee80211_hdr *hdr, size_t len)
4300 {
4301         struct ieee80211_mgmt *mgmt = (void *)hdr;
4302
4303         if (len < IEEE80211_MIN_ACTION_SIZE)
4304                 return false;
4305
4306         if (!ieee80211_is_action(hdr->frame_control))
4307                 return false;
4308
4309         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4310             mgmt->u.action.u.wnm_timing_msr.action_code ==
4311                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4312             len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4313                 return true;
4314
4315         return false;
4316 }
4317
4318 static inline bool ieee80211_is_ftm(struct ieee80211_hdr *hdr, size_t len)
4319 {
4320         struct ieee80211_mgmt *mgmt = (void *)hdr;
4321
4322         if (!ieee80211_is_public_action((void *)mgmt, len))
4323                 return false;
4324
4325         if (mgmt->u.action.u.ftm.action_code ==
4326                 WLAN_PUB_ACTION_FTM_RESPONSE &&
4327             len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4328                 return true;
4329
4330         return false;
4331 }
4332
4333 struct element {
4334         u8 id;
4335         u8 datalen;
4336         u8 data[];
4337 } __packed;
4338
4339 /* element iteration helpers */
4340 #define for_each_element(_elem, _data, _datalen)                        \
4341         for (_elem = (const struct element *)(_data);                   \
4342              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4343                 (int)sizeof(*_elem) &&                                  \
4344              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4345                 (int)sizeof(*_elem) + _elem->datalen;                   \
4346              _elem = (const struct element *)(_elem->data + _elem->datalen))
4347
4348 #define for_each_element_id(element, _id, data, datalen)                \
4349         for_each_element(element, data, datalen)                        \
4350                 if (element->id == (_id))
4351
4352 #define for_each_element_extid(element, extid, _data, _datalen)         \
4353         for_each_element(element, _data, _datalen)                      \
4354                 if (element->id == WLAN_EID_EXTENSION &&                \
4355                     element->datalen > 0 &&                             \
4356                     element->data[0] == (extid))
4357
4358 #define for_each_subelement(sub, element)                               \
4359         for_each_element(sub, (element)->data, (element)->datalen)
4360
4361 #define for_each_subelement_id(sub, id, element)                        \
4362         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4363
4364 #define for_each_subelement_extid(sub, extid, element)                  \
4365         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4366
4367 /* convert frequencies */
4368 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4369 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4370 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4371 #define KHZ_F "%d.%03d"
4372
4373 /* convert powers */
4374 #define DBI_TO_MBI(gain) ((gain) * 100)
4375 #define MBI_TO_DBI(gain) ((gain) / 100)
4376 #define DBM_TO_MBM(gain) ((gain) * 100)
4377 #define MBM_TO_DBM(gain) ((gain) / 100)
4378
4379 /**
4380  * for_each_element_completed - determine if element parsing consumed all data
4381  * @element: element pointer after for_each_element() or friends
4382  * @data: same data pointer as passed to for_each_element() or friends
4383  * @datalen: same data length as passed to for_each_element() or friends
4384  *
4385  * This function returns %true if all the data was parsed or considered
4386  * while walking the elements. Only use this if your for_each_element()
4387  * loop cannot be broken out of, otherwise it always returns %false.
4388  *
4389  * If some data was malformed, this returns %false since the last parsed
4390  * element will not fill the whole remaining data.
4391  */
4392 static inline bool for_each_element_completed(const struct element *element,
4393                                               const void *data, size_t datalen)
4394 {
4395         return (const u8 *)element == (const u8 *)data + datalen;
4396 }
4397
4398 /**
4399  * RSNX Capabilities:
4400  * bits 0-3: Field length (n-1)
4401  */
4402 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4403 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4404
4405 /*
4406  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4407  * section 9.4.2.170 and accepted contributions.
4408  */
4409 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4410 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4411 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4412 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4413 #define IEEE80211_TBTT_INFO_TYPE_TBTT                           0
4414 #define IEEE80211_TBTT_INFO_TYPE_MLD                            1
4415 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4416 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4417 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM_MLD_PARAM      16
4418
4419 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4420 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4421 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4422 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4423 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4424 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4425 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4426
4427 struct ieee80211_neighbor_ap_info {
4428         u8 tbtt_info_hdr;
4429         u8 tbtt_info_len;
4430         u8 op_class;
4431         u8 channel;
4432 } __packed;
4433
4434 enum ieee80211_range_params_max_total_ltf {
4435         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4436         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4437         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4438         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4439 };
4440
4441 /*
4442  * reduced neighbor report, based on Draft P802.11be_D3.0,
4443  * section 9.4.2.170.2.
4444  */
4445 struct ieee80211_rnr_mld_params {
4446         u8 mld_id;
4447         __le16 params;
4448 } __packed;
4449
4450 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID                        0x000F
4451 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT               0x0FF0
4452 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED               0x1000
4453 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK                  0x2000
4454
4455 /* multi-link device */
4456 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4457
4458 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4459 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4460 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4461 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4462 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4463 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4464 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4465
4466 struct ieee80211_multi_link_elem {
4467         __le16 control;
4468         u8 variable[];
4469 } __packed;
4470
4471 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4472 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4473 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4474 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4475 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4476 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4477
4478 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4479 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4480 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4481
4482 /*
4483  * Described in P802.11be_D3.0
4484  * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4485  * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4486  * dot11MSDTXOPMAX defaults to 1
4487  */
4488 #define IEEE80211_MED_SYNC_DELAY_DEFAULT                0x10ac
4489
4490 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4491 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4492 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4493 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4494 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4495 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4496 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4497 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4498 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4499 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4500 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4501 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4502 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4503 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4504 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4505 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4506 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4507 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4508 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4509 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4510 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4511 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4512 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4513 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4514 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4515 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4516 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4517 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4518 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4519 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4520 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4521 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4522 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4523 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4524
4525 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4526 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4527 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4528 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4529 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4530
4531 struct ieee80211_mle_basic_common_info {
4532         u8 len;
4533         u8 mld_mac_addr[6];
4534         u8 variable[];
4535 } __packed;
4536
4537 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4538
4539 struct ieee80211_mle_preq_common_info {
4540         u8 len;
4541         u8 variable[];
4542 } __packed;
4543
4544 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4545
4546 /* no fixed fields in RECONF */
4547
4548 struct ieee80211_mle_tdls_common_info {
4549         u8 len;
4550         u8 ap_mld_mac_addr[6];
4551 } __packed;
4552
4553 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4554
4555 /* no fixed fields in PRIO_ACCESS */
4556
4557 /**
4558  * ieee80211_mle_common_size - check multi-link element common size
4559  * @data: multi-link element, must already be checked for size using
4560  *      ieee80211_mle_size_ok()
4561  */
4562 static inline u8 ieee80211_mle_common_size(const u8 *data)
4563 {
4564         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4565         u16 control = le16_to_cpu(mle->control);
4566         u8 common = 0;
4567
4568         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4569         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4570         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4571         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4572         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4573                 /*
4574                  * The length is the first octet pointed by mle->variable so no
4575                  * need to add anything
4576                  */
4577                 break;
4578         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4579                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4580                         common += 6;
4581                 return common;
4582         default:
4583                 return 0;
4584         }
4585
4586         return sizeof(*mle) + common + mle->variable[0];
4587 }
4588
4589 /**
4590  * ieee80211_mle_get_eml_sync_delay - returns the medium sync delay
4591  * @data: pointer to the multi link EHT IE
4592  *
4593  * The element is assumed to be of the correct type (BASIC) and big enough,
4594  * this must be checked using ieee80211_mle_type_ok().
4595  *
4596  * If the medium synchronization is not present, then the default value is
4597  * returned.
4598  */
4599 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
4600 {
4601         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4602         u16 control = le16_to_cpu(mle->control);
4603         const u8 *common = mle->variable;
4604
4605         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4606         common += sizeof(struct ieee80211_mle_basic_common_info);
4607
4608         if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
4609                 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
4610
4611         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4612                 common += 1;
4613         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4614                 common += 1;
4615
4616         return get_unaligned_le16(common);
4617 }
4618
4619 /**
4620  * ieee80211_mle_get_eml_cap - returns the EML capability
4621  * @data: pointer to the multi link EHT IE
4622  *
4623  * The element is assumed to be of the correct type (BASIC) and big enough,
4624  * this must be checked using ieee80211_mle_type_ok().
4625  *
4626  * If the EML capability is not present, 0 will be returned.
4627  */
4628 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
4629 {
4630         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4631         u16 control = le16_to_cpu(mle->control);
4632         const u8 *common = mle->variable;
4633
4634         /* common points now at the beginning of ieee80211_mle_basic_common_info */
4635         common += sizeof(struct ieee80211_mle_basic_common_info);
4636
4637         if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
4638                 return 0;
4639
4640         if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4641                 common += 1;
4642         if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4643                 common += 1;
4644         if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4645                 common += 2;
4646
4647         return get_unaligned_le16(common);
4648 }
4649
4650 /**
4651  * ieee80211_mle_size_ok - validate multi-link element size
4652  * @data: pointer to the element data
4653  * @len: length of the containing element
4654  */
4655 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4656 {
4657         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4658         u8 fixed = sizeof(*mle);
4659         u8 common = 0;
4660         bool check_common_len = false;
4661         u16 control;
4662
4663         if (len < fixed)
4664                 return false;
4665
4666         control = le16_to_cpu(mle->control);
4667
4668         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4669         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4670                 common += sizeof(struct ieee80211_mle_basic_common_info);
4671                 check_common_len = true;
4672                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4673                         common += 1;
4674                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4675                         common += 1;
4676                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4677                         common += 2;
4678                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4679                         common += 2;
4680                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4681                         common += 2;
4682                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4683                         common += 1;
4684                 break;
4685         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4686                 common += sizeof(struct ieee80211_mle_preq_common_info);
4687                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4688                         common += 1;
4689                 check_common_len = true;
4690                 break;
4691         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4692                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4693                         common += 6;
4694                 break;
4695         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4696                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4697                 check_common_len = true;
4698                 break;
4699         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4700                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4701                         common += 6;
4702                 break;
4703         default:
4704                 /* we don't know this type */
4705                 return true;
4706         }
4707
4708         if (len < fixed + common)
4709                 return false;
4710
4711         if (!check_common_len)
4712                 return true;
4713
4714         /* if present, common length is the first octet there */
4715         return mle->variable[0] >= common;
4716 }
4717
4718 /**
4719  * ieee80211_mle_type_ok - validate multi-link element type and size
4720  * @data: pointer to the element data
4721  * @type: expected type of the element
4722  * @len: length of the containing element
4723  */
4724 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
4725 {
4726         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4727         u16 control;
4728
4729         if (!ieee80211_mle_size_ok(data, len))
4730                 return false;
4731
4732         control = le16_to_cpu(mle->control);
4733
4734         if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
4735                 return true;
4736
4737         return false;
4738 }
4739
4740 enum ieee80211_mle_subelems {
4741         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4742         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
4743 };
4744
4745 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4746 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4747 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4748 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4749 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4750 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4751 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4752 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4753 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4754
4755 struct ieee80211_mle_per_sta_profile {
4756         __le16 control;
4757         u8 sta_info_len;
4758         u8 variable[];
4759 } __packed;
4760
4761 /**
4762  * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
4763  *      profile size
4764  * @data: pointer to the sub element data
4765  * @len: length of the containing sub element
4766  */
4767 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
4768                                                         size_t len)
4769 {
4770         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4771         u16 control;
4772         u8 fixed = sizeof(*prof);
4773         u8 info_len = 1;
4774
4775         if (len < fixed)
4776                 return false;
4777
4778         control = le16_to_cpu(prof->control);
4779
4780         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4781                 info_len += 6;
4782         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4783                 info_len += 2;
4784         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4785                 info_len += 8;
4786         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4787                 info_len += 2;
4788         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4789                 info_len += 1;
4790
4791         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4792             control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
4793                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4794                         info_len += 2;
4795                 else
4796                         info_len += 1;
4797         }
4798
4799         return prof->sta_info_len >= info_len &&
4800                fixed + prof->sta_info_len <= len;
4801 }
4802
4803 #define for_each_mle_subelement(_elem, _data, _len)                     \
4804         if (ieee80211_mle_size_ok(_data, _len))                         \
4805                 for_each_element(_elem,                                 \
4806                                  _data + ieee80211_mle_common_size(_data),\
4807                                  _len - ieee80211_mle_common_size(_data))
4808
4809 #endif /* __LINUX_IEEE80211_H */