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 - 2020 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_CTL_EXT         0x0060
  73 #define IEEE80211_STYPE_BACK_REQ        0x0080
  74 #define IEEE80211_STYPE_BACK            0x0090
  75 #define IEEE80211_STYPE_PSPOLL          0x00A0
  76 #define IEEE80211_STYPE_RTS             0x00B0
  77 #define IEEE80211_STYPE_CTS             0x00C0
  78 #define IEEE80211_STYPE_ACK             0x00D0
  79 #define IEEE80211_STYPE_CFEND           0x00E0
  80 #define IEEE80211_STYPE_CFENDACK        0x00F0
  81
  82 /* data */
  83 #define IEEE80211_STYPE_DATA                    0x0000
  84 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  85 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  86 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  87 #define IEEE80211_STYPE_NULLFUNC                0x0040
  88 #define IEEE80211_STYPE_CFACK                   0x0050
  89 #define IEEE80211_STYPE_CFPOLL                  0x0060
  90 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  91 #define IEEE80211_STYPE_QOS_DATA                0x0080
  92 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  95 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  96 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  97 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  98 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
  99
 100 /* extension, added by 802.11ad */
 101 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 102 #define IEEE80211_STYPE_S1G_BEACON              0x0010
 103
 104 /* bits unique to S1G beacon */
 105 #define IEEE80211_S1G_BCN_NEXT_TBTT     0x100
 106
 107 /* see 802.11ah-2016 9.9 NDP CMAC frames */
 108 #define IEEE80211_S1G_1MHZ_NDP_BITS     25
 109 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
 110 #define IEEE80211_S1G_2MHZ_NDP_BITS     37
 111 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
 112
 113 #define IEEE80211_NDP_FTYPE_CTS                 0
 114 #define IEEE80211_NDP_FTYPE_CF_END              0
 115 #define IEEE80211_NDP_FTYPE_PS_POLL             1
 116 #define IEEE80211_NDP_FTYPE_ACK                 2
 117 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK         3
 118 #define IEEE80211_NDP_FTYPE_BA                  4
 119 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL      5
 120 #define IEEE80211_NDP_FTYPE_PAGING              6
 121 #define IEEE80211_NDP_FTYPE_PREQ                7
 122
 123 #define SM64(f, v)      ((((u64)v) << f##_S) & f)
 124
 125 /* NDP CMAC frame fields */
 126 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
 127 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
 128
 129 /* 1M Probe Request 11ah 9.9.3.1.1 */
 130 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
 131 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
 132 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
 133 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
 134 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
 135 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
 136 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 137 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 138 /* 2M Probe Request 11ah 9.9.3.1.2 */
 139 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
 140 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
 141 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
 142 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
 143 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
 144 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
 145
 146 #define IEEE80211_ANO_NETTYPE_WILD              15
 147
 148 /* bits unique to S1G beacon */
 149 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
 150
 151 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 152 #define IEEE80211_CTL_EXT_POLL          0x2000
 153 #define IEEE80211_CTL_EXT_SPR           0x3000
 154 #define IEEE80211_CTL_EXT_GRANT 0x4000
 155 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 156 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 157 #define IEEE80211_CTL_EXT_SSW           0x8000
 158 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 159 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 160
 161
 162 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 163 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 164 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 165
 166
 167 /* PV1 Layout 11ah 9.8.3.1 */
 168 #define IEEE80211_PV1_FCTL_VERS         0x0003
 169 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 170 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 171 #define IEEE80211_PV1_FCTL_TODS         0x0100
 172 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 173 #define IEEE80211_PV1_FCTL_PM           0x0400
 174 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 175 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 176 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 177 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 178 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 179 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 180
 181 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 182 {
 183         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 184 }
 185
 186 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 187 {
 188         return (sn1 + sn2) & IEEE80211_SN_MASK;
 189 }
 190
 191 static inline u16 ieee80211_sn_inc(u16 sn)
 192 {
 193         return ieee80211_sn_add(sn, 1);
 194 }
 195
 196 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 197 {
 198         return (sn1 - sn2) & IEEE80211_SN_MASK;
 199 }
 200
 201 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 202 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 203
 204 /* miscellaneous IEEE 802.11 constants */
 205 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 206 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 207 #define IEEE80211_MAX_AID               2007
 208 #define IEEE80211_MAX_AID_S1G           8191
 209 #define IEEE80211_MAX_TIM_LEN           251
 210 #define IEEE80211_MAX_MESH_PEERINGS     63
 211 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 212    6.2.1.1.2.
 213
 214    802.11e clarifies the figure in section 7.1.2. The frame body is
 215    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 216 #define IEEE80211_MAX_DATA_LEN          2304
 217 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 218  * to 7920 bytes, see 8.2.3 General frame format
 219  */
 220 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 221 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 222 #define IEEE80211_MAX_FRAME_LEN         2352
 223
 224 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 225 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 226
 227 /* Maximal size of an A-MSDU */
 228 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 229 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 230
 231 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 232 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 233 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 234
 235 #define IEEE80211_MAX_SSID_LEN          32
 236
 237 #define IEEE80211_MAX_MESH_ID_LEN       32
 238
 239 #define IEEE80211_FIRST_TSPEC_TSID      8
 240 #define IEEE80211_NUM_TIDS              16
 241
 242 /* number of user priorities 802.11 uses */
 243 #define IEEE80211_NUM_UPS               8
 244 /* number of ACs */
 245 #define IEEE80211_NUM_ACS               4
 246
 247 #define IEEE80211_QOS_CTL_LEN           2
 248 /* 1d tag mask */
 249 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 250 /* TID mask */
 251 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 252 /* EOSP */
 253 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 254 /* ACK policy */
 255 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 256 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 257 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 258 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 259 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 260 /* A-MSDU 802.11n */
 261 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 262 /* Mesh Control 802.11s */
 263 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 264
 265 /* U-APSD queue for WMM IEs sent by AP */
 266 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 267 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 268
 269 /* U-APSD queues for WMM IEs sent by STA */
 270 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 271 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 272 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 273 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 274 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 275
 276 /* U-APSD max SP length for WMM IEs sent by STA */
 277 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 278 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 279 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 280 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 281 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 282 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 283
 284 #define IEEE80211_HT_CTL_LEN            4
 285
 286 struct ieee80211_hdr {
 287         __le16 frame_control;
 288         __le16 duration_id;
 289         u8 addr1[6];
 290         u8 addr2[6];
 291         u8 addr3[6];
 292         __le16 seq_ctrl;
 293         u8 addr4[6];
 294 } __packed __aligned(2);
 295
 296 struct ieee80211_hdr_3addr {
 297         __le16 frame_control;
 298         __le16 duration_id;
 299         u8 addr1[6];
 300         u8 addr2[6];
 301         u8 addr3[6];
 302         __le16 seq_ctrl;
 303 } __packed __aligned(2);
 304
 305 struct ieee80211_qos_hdr {
 306         __le16 frame_control;
 307         __le16 duration_id;
 308         u8 addr1[6];
 309         u8 addr2[6];
 310         u8 addr3[6];
 311         __le16 seq_ctrl;
 312         __le16 qos_ctrl;
 313 } __packed __aligned(2);
 314
 315 /**
 316  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 317  * @fc: frame control bytes in little-endian byteorder
 318  */
 319 static inline bool ieee80211_has_tods(__le16 fc)
 320 {
 321         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 322 }
 323
 324 /**
 325  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 326  * @fc: frame control bytes in little-endian byteorder
 327  */
 328 static inline bool ieee80211_has_fromds(__le16 fc)
 329 {
 330         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 331 }
 332
 333 /**
 334  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 335  * @fc: frame control bytes in little-endian byteorder
 336  */
 337 static inline bool ieee80211_has_a4(__le16 fc)
 338 {
 339         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 340         return (fc & tmp) == tmp;
 341 }
 342
 343 /**
 344  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 345  * @fc: frame control bytes in little-endian byteorder
 346  */
 347 static inline bool ieee80211_has_morefrags(__le16 fc)
 348 {
 349         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 350 }
 351
 352 /**
 353  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 354  * @fc: frame control bytes in little-endian byteorder
 355  */
 356 static inline bool ieee80211_has_retry(__le16 fc)
 357 {
 358         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 359 }
 360
 361 /**
 362  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 363  * @fc: frame control bytes in little-endian byteorder
 364  */
 365 static inline bool ieee80211_has_pm(__le16 fc)
 366 {
 367         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 368 }
 369
 370 /**
 371  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 372  * @fc: frame control bytes in little-endian byteorder
 373  */
 374 static inline bool ieee80211_has_moredata(__le16 fc)
 375 {
 376         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 377 }
 378
 379 /**
 380  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 381  * @fc: frame control bytes in little-endian byteorder
 382  */
 383 static inline bool ieee80211_has_protected(__le16 fc)
 384 {
 385         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 386 }
 387
 388 /**
 389  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 390  * @fc: frame control bytes in little-endian byteorder
 391  */
 392 static inline bool ieee80211_has_order(__le16 fc)
 393 {
 394         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 395 }
 396
 397 /**
 398  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 399  * @fc: frame control bytes in little-endian byteorder
 400  */
 401 static inline bool ieee80211_is_mgmt(__le16 fc)
 402 {
 403         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 404                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 405 }
 406
 407 /**
 408  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 409  * @fc: frame control bytes in little-endian byteorder
 410  */
 411 static inline bool ieee80211_is_ctl(__le16 fc)
 412 {
 413         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 414                cpu_to_le16(IEEE80211_FTYPE_CTL);
 415 }
 416
 417 /**
 418  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 419  * @fc: frame control bytes in little-endian byteorder
 420  */
 421 static inline bool ieee80211_is_data(__le16 fc)
 422 {
 423         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 424                cpu_to_le16(IEEE80211_FTYPE_DATA);
 425 }
 426
 427 /**
 428  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 429  * @fc: frame control bytes in little-endian byteorder
 430  */
 431 static inline bool ieee80211_is_ext(__le16 fc)
 432 {
 433         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 434                cpu_to_le16(IEEE80211_FTYPE_EXT);
 435 }
 436
 437
 438 /**
 439  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 440  * @fc: frame control bytes in little-endian byteorder
 441  */
 442 static inline bool ieee80211_is_data_qos(__le16 fc)
 443 {
 444         /*
 445          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 446          * to check the one bit
 447          */
 448         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 449                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 450 }
 451
 452 /**
 453  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 454  * @fc: frame control bytes in little-endian byteorder
 455  */
 456 static inline bool ieee80211_is_data_present(__le16 fc)
 457 {
 458         /*
 459          * mask with 0x40 and test that that bit is clear to only return true
 460          * for the data-containing substypes.
 461          */
 462         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 463                cpu_to_le16(IEEE80211_FTYPE_DATA);
 464 }
 465
 466 /**
 467  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 468  * @fc: frame control bytes in little-endian byteorder
 469  */
 470 static inline bool ieee80211_is_assoc_req(__le16 fc)
 471 {
 472         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 473                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 474 }
 475
 476 /**
 477  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 478  * @fc: frame control bytes in little-endian byteorder
 479  */
 480 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 481 {
 482         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 483                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 484 }
 485
 486 /**
 487  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 488  * @fc: frame control bytes in little-endian byteorder
 489  */
 490 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 491 {
 492         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 493                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 494 }
 495
 496 /**
 497  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 498  * @fc: frame control bytes in little-endian byteorder
 499  */
 500 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 501 {
 502         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 503                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 504 }
 505
 506 /**
 507  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 508  * @fc: frame control bytes in little-endian byteorder
 509  */
 510 static inline bool ieee80211_is_probe_req(__le16 fc)
 511 {
 512         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 513                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 514 }
 515
 516 /**
 517  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 518  * @fc: frame control bytes in little-endian byteorder
 519  */
 520 static inline bool ieee80211_is_probe_resp(__le16 fc)
 521 {
 522         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 523                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 524 }
 525
 526 /**
 527  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 528  * @fc: frame control bytes in little-endian byteorder
 529  */
 530 static inline bool ieee80211_is_beacon(__le16 fc)
 531 {
 532         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 533                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 534 }
 535
 536 /**
 537  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 538  * IEEE80211_STYPE_S1G_BEACON
 539  * @fc: frame control bytes in little-endian byteorder
 540  */
 541 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 542 {
 543         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 544                                  IEEE80211_FCTL_STYPE)) ==
 545                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 546 }
 547
 548 /**
 549  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 550  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 551  * @fc: frame control bytes in little-endian byteorder
 552  */
 553 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 554 {
 555         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 556                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 557                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 558 }
 559
 560 /**
 561  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 562  * true for S1G beacons when they're short.
 563  * @fc: frame control bytes in little-endian byteorder
 564  */
 565 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 566 {
 567         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 568 }
 569
 570 /**
 571  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 572  * @fc: frame control bytes in little-endian byteorder
 573  */
 574 static inline bool ieee80211_is_atim(__le16 fc)
 575 {
 576         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 577                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 578 }
 579
 580 /**
 581  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 582  * @fc: frame control bytes in little-endian byteorder
 583  */
 584 static inline bool ieee80211_is_disassoc(__le16 fc)
 585 {
 586         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 587                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 588 }
 589
 590 /**
 591  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 592  * @fc: frame control bytes in little-endian byteorder
 593  */
 594 static inline bool ieee80211_is_auth(__le16 fc)
 595 {
 596         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 597                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 598 }
 599
 600 /**
 601  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 602  * @fc: frame control bytes in little-endian byteorder
 603  */
 604 static inline bool ieee80211_is_deauth(__le16 fc)
 605 {
 606         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 607                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 608 }
 609
 610 /**
 611  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 612  * @fc: frame control bytes in little-endian byteorder
 613  */
 614 static inline bool ieee80211_is_action(__le16 fc)
 615 {
 616         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 617                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 618 }
 619
 620 /**
 621  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 622  * @fc: frame control bytes in little-endian byteorder
 623  */
 624 static inline bool ieee80211_is_back_req(__le16 fc)
 625 {
 626         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 627                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 628 }
 629
 630 /**
 631  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 632  * @fc: frame control bytes in little-endian byteorder
 633  */
 634 static inline bool ieee80211_is_back(__le16 fc)
 635 {
 636         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 637                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 638 }
 639
 640 /**
 641  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 642  * @fc: frame control bytes in little-endian byteorder
 643  */
 644 static inline bool ieee80211_is_pspoll(__le16 fc)
 645 {
 646         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 647                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 648 }
 649
 650 /**
 651  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 652  * @fc: frame control bytes in little-endian byteorder
 653  */
 654 static inline bool ieee80211_is_rts(__le16 fc)
 655 {
 656         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 657                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 658 }
 659
 660 /**
 661  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 662  * @fc: frame control bytes in little-endian byteorder
 663  */
 664 static inline bool ieee80211_is_cts(__le16 fc)
 665 {
 666         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 667                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 668 }
 669
 670 /**
 671  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 672  * @fc: frame control bytes in little-endian byteorder
 673  */
 674 static inline bool ieee80211_is_ack(__le16 fc)
 675 {
 676         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 677                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 678 }
 679
 680 /**
 681  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 682  * @fc: frame control bytes in little-endian byteorder
 683  */
 684 static inline bool ieee80211_is_cfend(__le16 fc)
 685 {
 686         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 687                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 688 }
 689
 690 /**
 691  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 692  * @fc: frame control bytes in little-endian byteorder
 693  */
 694 static inline bool ieee80211_is_cfendack(__le16 fc)
 695 {
 696         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 697                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 698 }
 699
 700 /**
 701  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 702  * @fc: frame control bytes in little-endian byteorder
 703  */
 704 static inline bool ieee80211_is_nullfunc(__le16 fc)
 705 {
 706         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 707                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 708 }
 709
 710 /**
 711  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 712  * @fc: frame control bytes in little-endian byteorder
 713  */
 714 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 715 {
 716         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 717                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 718 }
 719
 720 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 721 {
 722         unsigned int hdrlen = 24;
 723
 724         if (ieee80211_has_a4(fc))
 725                 hdrlen = 30;
 726
 727         if (ieee80211_is_data_qos(fc)) {
 728                 hdrlen += IEEE80211_QOS_CTL_LEN;
 729                 if (ieee80211_has_order(fc))
 730                         hdrlen += IEEE80211_HT_CTL_LEN;
 731         }
 732
 733         return hdrlen;
 734 }
 735
 736 /**
 737  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 738  * @fc: frame control bytes in little-endian byteorder
 739  */
 740 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 741 {
 742         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 743 }
 744
 745 /**
 746  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 747  * @fc: frame control field in little-endian byteorder
 748  */
 749 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 750 {
 751         /* IEEE 802.11-2012, definition of "bufferable management frame";
 752          * note that this ignores the IBSS special case. */
 753         return ieee80211_is_mgmt(fc) &&
 754                (ieee80211_is_action(fc) ||
 755                 ieee80211_is_disassoc(fc) ||
 756                 ieee80211_is_deauth(fc));
 757 }
 758
 759 /**
 760  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 761  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 762  */
 763 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 764 {
 765         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 766 }
 767
 768 /**
 769  * ieee80211_is_frag - check if a frame is a fragment
 770  * @hdr: 802.11 header of the frame
 771  */
 772 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 773 {
 774         return ieee80211_has_morefrags(hdr->frame_control) ||
 775                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 776 }
 777
 778 struct ieee80211s_hdr {
 779         u8 flags;
 780         u8 ttl;
 781         __le32 seqnum;
 782         u8 eaddr1[6];
 783         u8 eaddr2[6];
 784 } __packed __aligned(2);
 785
 786 /* Mesh flags */
 787 #define MESH_FLAGS_AE_A4        0x1
 788 #define MESH_FLAGS_AE_A5_A6     0x2
 789 #define MESH_FLAGS_AE           0x3
 790 #define MESH_FLAGS_PS_DEEP      0x4
 791
 792 /**
 793  * enum ieee80211_preq_flags - mesh PREQ element flags
 794  *
 795  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 796  */
 797 enum ieee80211_preq_flags {
 798         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 799 };
 800
 801 /**
 802  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 803  *
 804  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 805  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 806  */
 807 enum ieee80211_preq_target_flags {
 808         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 809         IEEE80211_PREQ_USN_FLAG = 1<<2,
 810 };
 811
 812 /**
 813  * struct ieee80211_quiet_ie
 814  *
 815  * This structure refers to "Quiet information element"
 816  */
 817 struct ieee80211_quiet_ie {
 818         u8 count;
 819         u8 period;
 820         __le16 duration;
 821         __le16 offset;
 822 } __packed;
 823
 824 /**
 825  * struct ieee80211_msrment_ie
 826  *
 827  * This structure refers to "Measurement Request/Report information element"
 828  */
 829 struct ieee80211_msrment_ie {
 830         u8 token;
 831         u8 mode;
 832         u8 type;
 833         u8 request[];
 834 } __packed;
 835
 836 /**
 837  * struct ieee80211_channel_sw_ie
 838  *
 839  * This structure refers to "Channel Switch Announcement information element"
 840  */
 841 struct ieee80211_channel_sw_ie {
 842         u8 mode;
 843         u8 new_ch_num;
 844         u8 count;
 845 } __packed;
 846
 847 /**
 848  * struct ieee80211_ext_chansw_ie
 849  *
 850  * This structure represents the "Extended Channel Switch Announcement element"
 851  */
 852 struct ieee80211_ext_chansw_ie {
 853         u8 mode;
 854         u8 new_operating_class;
 855         u8 new_ch_num;
 856         u8 count;
 857 } __packed;
 858
 859 /**
 860  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 861  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 862  *      values here
 863  * This structure represents the "Secondary Channel Offset element"
 864  */
 865 struct ieee80211_sec_chan_offs_ie {
 866         u8 sec_chan_offs;
 867 } __packed;
 868
 869 /**
 870  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 871  *
 872  * This structure represents the "Mesh Channel Switch Paramters element"
 873  */
 874 struct ieee80211_mesh_chansw_params_ie {
 875         u8 mesh_ttl;
 876         u8 mesh_flags;
 877         __le16 mesh_reason;
 878         __le16 mesh_pre_value;
 879 } __packed;
 880
 881 /**
 882  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 883  */
 884 struct ieee80211_wide_bw_chansw_ie {
 885         u8 new_channel_width;
 886         u8 new_center_freq_seg0, new_center_freq_seg1;
 887 } __packed;
 888
 889 /**
 890  * struct ieee80211_tim
 891  *
 892  * This structure refers to "Traffic Indication Map information element"
 893  */
 894 struct ieee80211_tim_ie {
 895         u8 dtim_count;
 896         u8 dtim_period;
 897         u8 bitmap_ctrl;
 898         /* variable size: 1 - 251 bytes */
 899         u8 virtual_map[1];
 900 } __packed;
 901
 902 /**
 903  * struct ieee80211_meshconf_ie
 904  *
 905  * This structure refers to "Mesh Configuration information element"
 906  */
 907 struct ieee80211_meshconf_ie {
 908         u8 meshconf_psel;
 909         u8 meshconf_pmetric;
 910         u8 meshconf_congest;
 911         u8 meshconf_synch;
 912         u8 meshconf_auth;
 913         u8 meshconf_form;
 914         u8 meshconf_cap;
 915 } __packed;
 916
 917 /**
 918  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 919  *
 920  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 921  *      additional mesh peerings with other mesh STAs
 922  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 923  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 924  *      is ongoing
 925  */
 926 enum mesh_config_capab_flags {
 927         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 928         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 929         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 930 };
 931
 932 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 933
 934 /**
 935  * mesh channel switch parameters element's flag indicator
 936  *
 937  */
 938 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 939 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 940 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 941
 942 /**
 943  * struct ieee80211_rann_ie
 944  *
 945  * This structure refers to "Root Announcement information element"
 946  */
 947 struct ieee80211_rann_ie {
 948         u8 rann_flags;
 949         u8 rann_hopcount;
 950         u8 rann_ttl;
 951         u8 rann_addr[6];
 952         __le32 rann_seq;
 953         __le32 rann_interval;
 954         __le32 rann_metric;
 955 } __packed;
 956
 957 enum ieee80211_rann_flags {
 958         RANN_FLAG_IS_GATE = 1 << 0,
 959 };
 960
 961 enum ieee80211_ht_chanwidth_values {
 962         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 963         IEEE80211_HT_CHANWIDTH_ANY = 1,
 964 };
 965
 966 /**
 967  * enum ieee80211_opmode_bits - VHT operating mode field bits
 968  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 969  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 970  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 971  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 972  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 973  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
 974  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 975  *      (the NSS value is the value of this field + 1)
 976  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 977  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 978  *      using a beamforming steering matrix
 979  */
 980 enum ieee80211_vht_opmode_bits {
 981         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
 982         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 983         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 984         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 985         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 986         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
 987         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 988         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 989         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 990 };
 991
 992 /**
 993  * enum ieee80211_s1g_chanwidth
 994  * These are defined in IEEE802.11-2016ah Table 10-20
 995  * as BSS Channel Width
 996  *
 997  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
 998  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
 999  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1000  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1001  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1002  */
1003 enum ieee80211_s1g_chanwidth {
1004         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1005         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1006         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1007         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1008         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1009 };
1010
1011 #define WLAN_SA_QUERY_TR_ID_LEN 2
1012 #define WLAN_MEMBERSHIP_LEN 8
1013 #define WLAN_USER_POSITION_LEN 16
1014
1015 /**
1016  * struct ieee80211_tpc_report_ie
1017  *
1018  * This structure refers to "TPC Report element"
1019  */
1020 struct ieee80211_tpc_report_ie {
1021         u8 tx_power;
1022         u8 link_margin;
1023 } __packed;
1024
1025 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1026 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1027 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1028
1029 struct ieee80211_addba_ext_ie {
1030         u8 data;
1031 } __packed;
1032
1033 /**
1034  * struct ieee80211_s1g_bcn_compat_ie
1035  *
1036  * S1G Beacon Compatibility element
1037  */
1038 struct ieee80211_s1g_bcn_compat_ie {
1039         __le16 compat_info;
1040         __le16 beacon_int;
1041         __le32 tsf_completion;
1042 } __packed;
1043
1044 /**
1045  * struct ieee80211_s1g_oper_ie
1046  *
1047  * S1G Operation element
1048  */
1049 struct ieee80211_s1g_oper_ie {
1050         u8 ch_width;
1051         u8 oper_class;
1052         u8 primary_ch;
1053         u8 oper_ch;
1054         __le16 basic_mcs_nss;
1055 } __packed;
1056
1057 /**
1058  * struct ieee80211_aid_response_ie
1059  *
1060  * AID Response element
1061  */
1062 struct ieee80211_aid_response_ie {
1063         __le16 aid;
1064         u8 switch_count;
1065         __le16 response_int;
1066 } __packed;
1067
1068 struct ieee80211_s1g_cap {
1069         u8 capab_info[10];
1070         u8 supp_mcs_nss[5];
1071 } __packed;
1072
1073 struct ieee80211_ext {
1074         __le16 frame_control;
1075         __le16 duration;
1076         union {
1077                 struct {
1078                         u8 sa[6];
1079                         __le32 timestamp;
1080                         u8 change_seq;
1081                         u8 variable[0];
1082                 } __packed s1g_beacon;
1083                 struct {
1084                         u8 sa[6];
1085                         __le32 timestamp;
1086                         u8 change_seq;
1087                         u8 next_tbtt[3];
1088                         u8 variable[0];
1089                 } __packed s1g_short_beacon;
1090         } u;
1091 } __packed __aligned(2);
1092
1093 struct ieee80211_mgmt {
1094         __le16 frame_control;
1095         __le16 duration;
1096         u8 da[6];
1097         u8 sa[6];
1098         u8 bssid[6];
1099         __le16 seq_ctrl;
1100         union {
1101                 struct {
1102                         __le16 auth_alg;
1103                         __le16 auth_transaction;
1104                         __le16 status_code;
1105                         /* possibly followed by Challenge text */
1106                         u8 variable[0];
1107                 } __packed __aligned(4) auth;
1108                 struct {
1109                         __le16 reason_code;
1110                 } __packed __aligned(4) deauth;
1111                 struct {
1112                         __le16 capab_info;
1113                         __le16 listen_interval;
1114                         /* followed by SSID and Supported rates */
1115                         u8 variable[0];
1116                 } __packed __aligned(4) assoc_req;
1117                 struct {
1118                         __le16 capab_info;
1119                         __le16 status_code;
1120                         __le16 aid;
1121                         /* followed by Supported rates */
1122                         u8 variable[0];
1123                 } __packed __aligned(4) assoc_resp, reassoc_resp;
1124                 struct {
1125                         __le16 capab_info;
1126                         __le16 status_code;
1127                         u8 variable[0];
1128                 } __packed __aligned(4) s1g_assoc_resp, s1g_reassoc_resp;
1129                 struct {
1130                         __le16 capab_info;
1131                         __le16 listen_interval;
1132                         u8 current_ap[6];
1133                         /* followed by SSID and Supported rates */
1134                         u8 variable[0];
1135                 } __packed __aligned(4) reassoc_req;
1136                 struct {
1137                         __le16 reason_code;
1138                 } __packed __aligned(4) disassoc;
1139                 struct {
1140                         __le64 timestamp;
1141                         __le16 beacon_int;
1142                         __le16 capab_info;
1143                         /* followed by some of SSID, Supported rates,
1144                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1145                         u8 variable[0];
1146                 } __packed __aligned(4) beacon;
1147                 struct {
1148                         /* only variable items: SSID, Supported rates */
1149                         u8 variable[0];
1150                 } __packed __aligned(4) probe_req;
1151                 struct {
1152                         __le64 timestamp;
1153                         __le16 beacon_int;
1154                         __le16 capab_info;
1155                         /* followed by some of SSID, Supported rates,
1156                          * FH Params, DS Params, CF Params, IBSS Params */
1157                         u8 variable[0];
1158                 } __packed __aligned(4) probe_resp;
1159                 struct {
1160                         u8 category;
1161                         union {
1162                                 struct {
1163                                         u8 action_code;
1164                                         u8 dialog_token;
1165                                         u8 status_code;
1166                                         u8 variable[0];
1167                                 } __packed wme_action;
1168                                 struct{
1169                                         u8 action_code;
1170                                         u8 variable[0];
1171                                 } __packed chan_switch;
1172                                 struct{
1173                                         u8 action_code;
1174                                         struct ieee80211_ext_chansw_ie data;
1175                                         u8 variable[0];
1176                                 } __packed ext_chan_switch;
1177                                 struct{
1178                                         u8 action_code;
1179                                         u8 dialog_token;
1180                                         u8 element_id;
1181                                         u8 length;
1182                                         struct ieee80211_msrment_ie msr_elem;
1183                                 } __packed measurement;
1184                                 struct{
1185                                         u8 action_code;
1186                                         u8 dialog_token;
1187                                         __le16 capab;
1188                                         __le16 timeout;
1189                                         __le16 start_seq_num;
1190                                         /* followed by BA Extension */
1191                                         u8 variable[0];
1192                                 } __packed addba_req;
1193                                 struct{
1194                                         u8 action_code;
1195                                         u8 dialog_token;
1196                                         __le16 status;
1197                                         __le16 capab;
1198                                         __le16 timeout;
1199                                 } __packed addba_resp;
1200                                 struct{
1201                                         u8 action_code;
1202                                         __le16 params;
1203                                         __le16 reason_code;
1204                                 } __packed delba;
1205                                 struct {
1206                                         u8 action_code;
1207                                         u8 variable[0];
1208                                 } __packed self_prot;
1209                                 struct{
1210                                         u8 action_code;
1211                                         u8 variable[0];
1212                                 } __packed mesh_action;
1213                                 struct {
1214                                         u8 action;
1215                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1216                                 } __packed sa_query;
1217                                 struct {
1218                                         u8 action;
1219                                         u8 smps_control;
1220                                 } __packed ht_smps;
1221                                 struct {
1222                                         u8 action_code;
1223                                         u8 chanwidth;
1224                                 } __packed ht_notify_cw;
1225                                 struct {
1226                                         u8 action_code;
1227                                         u8 dialog_token;
1228                                         __le16 capability;
1229                                         u8 variable[0];
1230                                 } __packed tdls_discover_resp;
1231                                 struct {
1232                                         u8 action_code;
1233                                         u8 operating_mode;
1234                                 } __packed vht_opmode_notif;
1235                                 struct {
1236                                         u8 action_code;
1237                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1238                                         u8 position[WLAN_USER_POSITION_LEN];
1239                                 } __packed vht_group_notif;
1240                                 struct {
1241                                         u8 action_code;
1242                                         u8 dialog_token;
1243                                         u8 tpc_elem_id;
1244                                         u8 tpc_elem_length;
1245                                         struct ieee80211_tpc_report_ie tpc;
1246                                 } __packed tpc_report;
1247                                 struct {
1248                                         u8 action_code;
1249                                         u8 dialog_token;
1250                                         u8 follow_up;
1251                                         u8 tod[6];
1252                                         u8 toa[6];
1253                                         __le16 tod_error;
1254                                         __le16 toa_error;
1255                                         u8 variable[0];
1256                                 } __packed ftm;
1257                         } u;
1258                 } __packed __aligned(4) action;
1259         } u __aligned(2);
1260 } __packed __aligned(2);
1261
1262 /* Supported rates membership selectors */
1263 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1264 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1265 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1266
1267 /* mgmt header + 1 byte category code */
1268 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1269
1270
1271 /* Management MIC information element (IEEE 802.11w) */
1272 struct ieee80211_mmie {
1273         u8 element_id;
1274         u8 length;
1275         __le16 key_id;
1276         u8 sequence_number[6];
1277         u8 mic[8];
1278 } __packed;
1279
1280 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1281 struct ieee80211_mmie_16 {
1282         u8 element_id;
1283         u8 length;
1284         __le16 key_id;
1285         u8 sequence_number[6];
1286         u8 mic[16];
1287 } __packed;
1288
1289 struct ieee80211_vendor_ie {
1290         u8 element_id;
1291         u8 len;
1292         u8 oui[3];
1293         u8 oui_type;
1294 } __packed;
1295
1296 struct ieee80211_wmm_ac_param {
1297         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1298         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1299         __le16 txop_limit;
1300 } __packed;
1301
1302 struct ieee80211_wmm_param_ie {
1303         u8 element_id; /* Element ID: 221 (0xdd); */
1304         u8 len; /* Length: 24 */
1305         /* required fields for WMM version 1 */
1306         u8 oui[3]; /* 00:50:f2 */
1307         u8 oui_type; /* 2 */
1308         u8 oui_subtype; /* 1 */
1309         u8 version; /* 1 for WMM version 1.0 */
1310         u8 qos_info; /* AP/STA specific QoS info */
1311         u8 reserved; /* 0 */
1312         /* AC_BE, AC_BK, AC_VI, AC_VO */
1313         struct ieee80211_wmm_ac_param ac[4];
1314 } __packed;
1315
1316 /* Control frames */
1317 struct ieee80211_rts {
1318         __le16 frame_control;
1319         __le16 duration;
1320         u8 ra[6];
1321         u8 ta[6];
1322 } __packed __aligned(2);
1323
1324 struct ieee80211_cts {
1325         __le16 frame_control;
1326         __le16 duration;
1327         u8 ra[6];
1328 } __packed __aligned(2);
1329
1330 struct ieee80211_pspoll {
1331         __le16 frame_control;
1332         __le16 aid;
1333         u8 bssid[6];
1334         u8 ta[6];
1335 } __packed __aligned(2);
1336
1337 /* TDLS */
1338
1339 /* Channel switch timing */
1340 struct ieee80211_ch_switch_timing {
1341         __le16 switch_time;
1342         __le16 switch_timeout;
1343 } __packed;
1344
1345 /* Link-id information element */
1346 struct ieee80211_tdls_lnkie {
1347         u8 ie_type; /* Link Identifier IE */
1348         u8 ie_len;
1349         u8 bssid[6];
1350         u8 init_sta[6];
1351         u8 resp_sta[6];
1352 } __packed;
1353
1354 struct ieee80211_tdls_data {
1355         u8 da[6];
1356         u8 sa[6];
1357         __be16 ether_type;
1358         u8 payload_type;
1359         u8 category;
1360         u8 action_code;
1361         union {
1362                 struct {
1363                         u8 dialog_token;
1364                         __le16 capability;
1365                         u8 variable[0];
1366                 } __packed setup_req;
1367                 struct {
1368                         __le16 status_code;
1369                         u8 dialog_token;
1370                         __le16 capability;
1371                         u8 variable[0];
1372                 } __packed setup_resp;
1373                 struct {
1374                         __le16 status_code;
1375                         u8 dialog_token;
1376                         u8 variable[0];
1377                 } __packed setup_cfm;
1378                 struct {
1379                         __le16 reason_code;
1380                         u8 variable[0];
1381                 } __packed teardown;
1382                 struct {
1383                         u8 dialog_token;
1384                         u8 variable[0];
1385                 } __packed discover_req;
1386                 struct {
1387                         u8 target_channel;
1388                         u8 oper_class;
1389                         u8 variable[0];
1390                 } __packed chan_switch_req;
1391                 struct {
1392                         __le16 status_code;
1393                         u8 variable[0];
1394                 } __packed chan_switch_resp;
1395         } u;
1396 } __packed;
1397
1398 /*
1399  * Peer-to-Peer IE attribute related definitions.
1400  */
1401 /**
1402  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1403  */
1404 enum ieee80211_p2p_attr_id {
1405         IEEE80211_P2P_ATTR_STATUS = 0,
1406         IEEE80211_P2P_ATTR_MINOR_REASON,
1407         IEEE80211_P2P_ATTR_CAPABILITY,
1408         IEEE80211_P2P_ATTR_DEVICE_ID,
1409         IEEE80211_P2P_ATTR_GO_INTENT,
1410         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1411         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1412         IEEE80211_P2P_ATTR_GROUP_BSSID,
1413         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1414         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1415         IEEE80211_P2P_ATTR_MANAGABILITY,
1416         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1417         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1418         IEEE80211_P2P_ATTR_DEVICE_INFO,
1419         IEEE80211_P2P_ATTR_GROUP_INFO,
1420         IEEE80211_P2P_ATTR_GROUP_ID,
1421         IEEE80211_P2P_ATTR_INTERFACE,
1422         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1423         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1424         /* 19 - 220: Reserved */
1425         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1426
1427         IEEE80211_P2P_ATTR_MAX
1428 };
1429
1430 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1431 /* Typical max value used here */
1432 #define IEEE80211_P2P_NOA_DESC_MAX      4
1433
1434 struct ieee80211_p2p_noa_desc {
1435         u8 count;
1436         __le32 duration;
1437         __le32 interval;
1438         __le32 start_time;
1439 } __packed;
1440
1441 struct ieee80211_p2p_noa_attr {
1442         u8 index;
1443         u8 oppps_ctwindow;
1444         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1445 } __packed;
1446
1447 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1448 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1449
1450 /**
1451  * struct ieee80211_bar - HT Block Ack Request
1452  *
1453  * This structure refers to "HT BlockAckReq" as
1454  * described in 802.11n draft section 7.2.1.7.1
1455  */
1456 struct ieee80211_bar {
1457         __le16 frame_control;
1458         __le16 duration;
1459         __u8 ra[6];
1460         __u8 ta[6];
1461         __le16 control;
1462         __le16 start_seq_num;
1463 } __packed __aligned(2);
1464
1465 /* 802.11 BA(R) control masks */
1466 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1467 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1468 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1469 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1470 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1471
1472 /**
1473  * struct ieee80211_ba - HT Block Ack
1474  *
1475  * This structure refers to "HT BlockAck" as
1476  * described in 802.11n draft section 7.2.1.8.1
1477  */
1478 struct ieee80211_ba {
1479         __le16 frame_control;
1480         __le16 duration;
1481         u8 ra[6];
1482         u8 ta[6];
1483         __le16 control;
1484
1485         __le16 start_seq_num;
1486         u8 bitmap[8];
1487 } __packed;
1488
1489 #define IEEE80211_HT_MCS_MASK_LEN               10
1490
1491 /**
1492  * struct ieee80211_mcs_info - MCS information
1493  * @rx_mask: RX mask
1494  * @rx_highest: highest supported RX rate. If set represents
1495  *      the highest supported RX data rate in units of 1 Mbps.
1496  *      If this field is 0 this value should not be used to
1497  *      consider the highest RX data rate supported.
1498  * @tx_params: TX parameters
1499  */
1500 struct ieee80211_mcs_info {
1501         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1502         __le16 rx_highest;
1503         u8 tx_params;
1504         u8 reserved[3];
1505 } __packed;
1506
1507 /* 802.11n HT capability MSC set */
1508 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1509 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1510 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1511 /* value 0 == 1 stream etc */
1512 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1513 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1514 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1515 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1516
1517 /*
1518  * 802.11n D5.0 20.3.5 / 20.6 says:
1519  * - indices 0 to 7 and 32 are single spatial stream
1520  * - 8 to 31 are multiple spatial streams using equal modulation
1521  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1522  * - remainder are multiple spatial streams using unequal modulation
1523  */
1524 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1525 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1526         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1527
1528 /**
1529  * struct ieee80211_ht_cap - HT capabilities
1530  *
1531  * This structure is the "HT capabilities element" as
1532  * described in 802.11n D5.0 7.3.2.57
1533  */
1534 struct ieee80211_ht_cap {
1535         __le16 cap_info;
1536         u8 ampdu_params_info;
1537
1538         /* 16 bytes MCS information */
1539         struct ieee80211_mcs_info mcs;
1540
1541         __le16 extended_ht_cap_info;
1542         __le32 tx_BF_cap_info;
1543         u8 antenna_selection_info;
1544 } __packed;
1545
1546 /* 802.11n HT capabilities masks (for cap_info) */
1547 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1548 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1549 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1550 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1551 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1552 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1553 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1554 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1555 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1556 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1557 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1558 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1559 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1560 #define IEEE80211_HT_CAP_RESERVED               0x2000
1561 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1562 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1563
1564 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1565 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1566 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1567 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1568 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1569 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1570 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1571 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1572
1573 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1574 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1575 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1576 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1577
1578 /*
1579  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1580  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1581  */
1582 enum ieee80211_max_ampdu_length_exp {
1583         IEEE80211_HT_MAX_AMPDU_8K = 0,
1584         IEEE80211_HT_MAX_AMPDU_16K = 1,
1585         IEEE80211_HT_MAX_AMPDU_32K = 2,
1586         IEEE80211_HT_MAX_AMPDU_64K = 3
1587 };
1588
1589 /*
1590  * Maximum length of AMPDU that the STA can receive in VHT.
1591  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1592  */
1593 enum ieee80211_vht_max_ampdu_length_exp {
1594         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1595         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1596         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1597         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1598         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1599         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1600         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1601         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1602 };
1603
1604 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1605
1606 /* Minimum MPDU start spacing */
1607 enum ieee80211_min_mpdu_spacing {
1608         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1609         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1610         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1611         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1612         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1613         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1614         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1615         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1616 };
1617
1618 /**
1619  * struct ieee80211_ht_operation - HT operation IE
1620  *
1621  * This structure is the "HT operation element" as
1622  * described in 802.11n-2009 7.3.2.57
1623  */
1624 struct ieee80211_ht_operation {
1625         u8 primary_chan;
1626         u8 ht_param;
1627         __le16 operation_mode;
1628         __le16 stbc_param;
1629         u8 basic_set[16];
1630 } __packed;
1631
1632 /* for ht_param */
1633 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1634 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1635 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1636 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1637 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1638 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1639
1640 /* for operation_mode */
1641 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1642 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1643 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1644 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1645 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1646 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1647 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1648 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1649 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1650
1651 /* for stbc_param */
1652 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1653 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1654 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1655 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1656 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1657 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1658
1659
1660 /* block-ack parameters */
1661 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1662 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1663 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1664 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1665 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1666 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1667
1668 /*
1669  * A-MPDU buffer sizes
1670  * According to HT size varies from 8 to 64 frames
1671  * HE adds the ability to have up to 256 frames.
1672  */
1673 #define IEEE80211_MIN_AMPDU_BUF         0x8
1674 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1675 #define IEEE80211_MAX_AMPDU_BUF         0x100
1676
1677
1678 /* Spatial Multiplexing Power Save Modes (for capability) */
1679 #define WLAN_HT_CAP_SM_PS_STATIC        0
1680 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1681 #define WLAN_HT_CAP_SM_PS_INVALID       2
1682 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1683
1684 /* for SM power control field lower two bits */
1685 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1686 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1687 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1688
1689 /**
1690  * struct ieee80211_vht_mcs_info - VHT MCS information
1691  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1692  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1693  *      STA can receive. Rate expressed in units of 1 Mbps.
1694  *      If this field is 0 this value should not be used to
1695  *      consider the highest RX data rate supported.
1696  *      The top 3 bits of this field indicate the Maximum NSTS,total
1697  *      (a beamformee capability.)
1698  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1699  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1700  *      STA can transmit. Rate expressed in units of 1 Mbps.
1701  *      If this field is 0 this value should not be used to
1702  *      consider the highest TX data rate supported.
1703  *      The top 2 bits of this field are reserved, the
1704  *      3rd bit from the top indiciates VHT Extended NSS BW
1705  *      Capability.
1706  */
1707 struct ieee80211_vht_mcs_info {
1708         __le16 rx_mcs_map;
1709         __le16 rx_highest;
1710         __le16 tx_mcs_map;
1711         __le16 tx_highest;
1712 } __packed;
1713
1714 /* for rx_highest */
1715 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1716 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1717
1718 /* for tx_highest */
1719 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1720
1721 /**
1722  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1723  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1724  *      number of streams
1725  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1726  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1727  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1728  *
1729  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1730  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1731  * both split into 8 subfields by number of streams. These values indicate
1732  * which MCSes are supported for the number of streams the value appears
1733  * for.
1734  */
1735 enum ieee80211_vht_mcs_support {
1736         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1737         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1738         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1739         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1740 };
1741
1742 /**
1743  * struct ieee80211_vht_cap - VHT capabilities
1744  *
1745  * This structure is the "VHT capabilities element" as
1746  * described in 802.11ac D3.0 8.4.2.160
1747  * @vht_cap_info: VHT capability info
1748  * @supp_mcs: VHT MCS supported rates
1749  */
1750 struct ieee80211_vht_cap {
1751         __le32 vht_cap_info;
1752         struct ieee80211_vht_mcs_info supp_mcs;
1753 } __packed;
1754
1755 /**
1756  * enum ieee80211_vht_chanwidth - VHT channel width
1757  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1758  *      determine the channel width (20 or 40 MHz)
1759  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1760  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1761  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1762  */
1763 enum ieee80211_vht_chanwidth {
1764         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1765         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1766         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1767         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1768 };
1769
1770 /**
1771  * struct ieee80211_vht_operation - VHT operation IE
1772  *
1773  * This structure is the "VHT operation element" as
1774  * described in 802.11ac D3.0 8.4.2.161
1775  * @chan_width: Operating channel width
1776  * @center_freq_seg0_idx: center freq segment 0 index
1777  * @center_freq_seg1_idx: center freq segment 1 index
1778  * @basic_mcs_set: VHT Basic MCS rate set
1779  */
1780 struct ieee80211_vht_operation {
1781         u8 chan_width;
1782         u8 center_freq_seg0_idx;
1783         u8 center_freq_seg1_idx;
1784         __le16 basic_mcs_set;
1785 } __packed;
1786
1787 /**
1788  * struct ieee80211_he_cap_elem - HE capabilities element
1789  *
1790  * This structure is the "HE capabilities element" fixed fields as
1791  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1792  */
1793 struct ieee80211_he_cap_elem {
1794         u8 mac_cap_info[6];
1795         u8 phy_cap_info[11];
1796 } __packed;
1797
1798 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1799
1800 /**
1801  * enum ieee80211_he_mcs_support - HE MCS support definitions
1802  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1803  *      number of streams
1804  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1805  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1806  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1807  *
1808  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1809  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1810  * both split into 8 subfields by number of streams. These values indicate
1811  * which MCSes are supported for the number of streams the value appears
1812  * for.
1813  */
1814 enum ieee80211_he_mcs_support {
1815         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1816         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1817         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1818         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1819 };
1820
1821 /**
1822  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1823  *
1824  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1825  * described in P802.11ax_D2.0 section 9.4.2.237.4
1826  *
1827  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1828  *     widths less than 80MHz.
1829  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1830  *     widths less than 80MHz.
1831  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1832  *     width 160MHz.
1833  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1834  *     width 160MHz.
1835  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1836  *     channel width 80p80MHz.
1837  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1838  *     channel width 80p80MHz.
1839  */
1840 struct ieee80211_he_mcs_nss_supp {
1841         __le16 rx_mcs_80;
1842         __le16 tx_mcs_80;
1843         __le16 rx_mcs_160;
1844         __le16 tx_mcs_160;
1845         __le16 rx_mcs_80p80;
1846         __le16 tx_mcs_80p80;
1847 } __packed;
1848
1849 /**
1850  * struct ieee80211_he_operation - HE capabilities element
1851  *
1852  * This structure is the "HE operation element" fields as
1853  * described in P802.11ax_D4.0 section 9.4.2.243
1854  */
1855 struct ieee80211_he_operation {
1856         __le32 he_oper_params;
1857         __le16 he_mcs_nss_set;
1858         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1859         u8 optional[];
1860 } __packed;
1861
1862 /**
1863  * struct ieee80211_he_spr - HE spatial reuse element
1864  *
1865  * This structure is the "HE spatial reuse element" element as
1866  * described in P802.11ax_D4.0 section 9.4.2.241
1867  */
1868 struct ieee80211_he_spr {
1869         u8 he_sr_control;
1870         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1871         u8 optional[];
1872 } __packed;
1873
1874 /**
1875  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1876  *
1877  * This structure is the "MU AC Parameter Record" fields as
1878  * described in P802.11ax_D4.0 section 9.4.2.245
1879  */
1880 struct ieee80211_he_mu_edca_param_ac_rec {
1881         u8 aifsn;
1882         u8 ecw_min_max;
1883         u8 mu_edca_timer;
1884 } __packed;
1885
1886 /**
1887  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1888  *
1889  * This structure is the "MU EDCA Parameter Set element" fields as
1890  * described in P802.11ax_D4.0 section 9.4.2.245
1891  */
1892 struct ieee80211_mu_edca_param_set {
1893         u8 mu_qos_info;
1894         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1895         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1896         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1897         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1898 } __packed;
1899
1900 /* 802.11ac VHT Capabilities */
1901 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1902 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1903 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1904 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1905 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1906 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1907 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1908 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1909 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1910 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1911 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1912 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1913 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1914 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1915 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1916 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1917 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1918 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1919 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1920 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1921 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1922 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1923                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1924 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1925 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1926                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1927 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1928 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1929 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1930 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1931 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1932 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1933                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1934 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1935 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1936 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1937 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1938 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1939 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1940
1941 /**
1942  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1943  * @cap: VHT capabilities of the peer
1944  * @bw: bandwidth to use
1945  * @mcs: MCS index to use
1946  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1947  *      (rate scaling algorithm) can deal with the new logic
1948  *      (dot11VHTExtendedNSSBWCapable)
1949  * @max_vht_nss: current maximum NSS as advertised by the STA in
1950  *      operating mode notification, can be 0 in which case the
1951  *      capability data will be used to derive this (from MCS support)
1952  *
1953  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1954  * vary for a given BW/MCS. This function parses the data.
1955  *
1956  * Note: This function is exported by cfg80211.
1957  */
1958 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1959                               enum ieee80211_vht_chanwidth bw,
1960                               int mcs, bool ext_nss_bw_capable,
1961                               unsigned int max_vht_nss);
1962
1963 /* 802.11ax HE MAC capabilities */
1964 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1965 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1966 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1967 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1968 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1969 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1970 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1971 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1972 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1973 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1974 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1975 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1976 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1977 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1978 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1979 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1980 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1981
1982 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1983 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1984 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1985 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1986 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1987 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1988 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1989 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1990 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1991 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1992 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1993 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1994 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1995 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1996 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1997 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1998 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1999 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2000
2001 /* Link adaptation is split between byte HE_MAC_CAP1 and
2002  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2003  * in which case the following values apply:
2004  * 0 = No feedback.
2005  * 1 = reserved.
2006  * 2 = Unsolicited feedback.
2007  * 3 = both
2008  */
2009 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2010
2011 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2012 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2013 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2014 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2015 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2016 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2017 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2018 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2019
2020 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2021 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2022
2023 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2024  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2025  * same field in the HE capabilities.
2026  */
2027 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
2028 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
2029 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
2030 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
2031 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2032 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2033 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2034 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2035
2036 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT           3
2037
2038 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2039 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2040 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2041 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
2042 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2043 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2044 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
2045 /* Multi TID agg TX is split between byte #4 and #5
2046  * The value is a combination of B39,B40,B41
2047  */
2048 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2049
2050 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2051 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2052 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
2053 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2054 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2055 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2056 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2057 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2058
2059 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2060 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2061
2062 /* 802.11ax HE PHY capabilities */
2063 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2064 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2065 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2066 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2067 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2068 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2069 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2070
2071 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2072 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2073 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2074 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2075 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2076 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2077 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2078 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2079 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2080 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2081
2082 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2083 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2084 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2085 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2086 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2087 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2088
2089 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2090  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2091  * case it indicates support for Tx.
2092  */
2093 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2094 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2095
2096 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2097 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2098 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2099 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2100 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2101 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2102 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2103 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2104 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2105 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2106 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2107 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2108 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2109 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2110 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
2111 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2112
2113 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2114 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2115
2116 /* Minimal allowed value of Max STS under 80MHz is 3 */
2117 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2118 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2119 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2120 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2121 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2122 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2123
2124 /* Minimal allowed value of Max STS above 80MHz is 3 */
2125 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2126 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2127 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2128 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2129 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2130 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2131
2132 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2133 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2134 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2135 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2136 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2137 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2138 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2139 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2140 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2141
2142 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2143 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2144 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2145 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2146 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2147 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2148 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2149 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2150 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2151
2152 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2153 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2154
2155 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2156 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2157 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
2158 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
2159 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2160 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2161 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2162 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2163
2164 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
2165 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
2166 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2167 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2168 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2169 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2170 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2171 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2172 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2173 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2174 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2175 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2176 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2177
2178 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2179 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2180 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2181 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2182 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2183 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2184 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2185 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2186 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2187 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2188 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2189
2190 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2191 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2192 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2193 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2194 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2195 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2196 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
2197 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
2198 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
2199 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
2200 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
2201
2202 /* 802.11ax HE TX/RX MCS NSS Support  */
2203 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2204 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2205 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2206 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2207 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2208
2209 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2210 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2211         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2212         HIGHEST_MCS_SUPPORTED_MCS8,
2213         HIGHEST_MCS_SUPPORTED_MCS9,
2214         HIGHEST_MCS_SUPPORTED_MCS10,
2215         HIGHEST_MCS_SUPPORTED_MCS11,
2216 };
2217
2218 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2219 static inline u8
2220 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2221 {
2222         u8 count = 4;
2223
2224         if (he_cap->phy_cap_info[0] &
2225             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2226                 count += 4;
2227
2228         if (he_cap->phy_cap_info[0] &
2229             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2230                 count += 4;
2231
2232         return count;
2233 }
2234
2235 /* 802.11ax HE PPE Thresholds */
2236 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2237 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2238 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2239 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2240         (BIT(5) | BIT(6))
2241 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2242 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2243 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2244
2245 /*
2246  * Calculate 802.11ax HE capabilities IE PPE field size
2247  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2248  */
2249 static inline u8
2250 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2251 {
2252         u8 n;
2253
2254         if ((phy_cap_info[6] &
2255              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2256                 return 0;
2257
2258         n = hweight8(ppe_thres_hdr &
2259                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2260         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2261                    IEEE80211_PPE_THRES_NSS_POS));
2262
2263         /*
2264          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2265          * total size.
2266          */
2267         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2268         n = DIV_ROUND_UP(n, 8);
2269
2270         return n;
2271 }
2272
2273 /* HE Operation defines */
2274 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2275 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2276 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2277 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2278 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2279 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2280 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2281 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2282 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2283 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2284 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2285 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2286
2287 /**
2288  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2289  * @primary: primary channel
2290  * @control: control flags
2291  * @ccfs0: channel center frequency segment 0
2292  * @ccfs1: channel center frequency segment 1
2293  * @minrate: minimum rate (in 1 Mbps units)
2294  */
2295 struct ieee80211_he_6ghz_oper {
2296         u8 primary;
2297 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2298 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2299 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2300 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2301 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2302 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2303         u8 control;
2304         u8 ccfs0;
2305         u8 ccfs1;
2306         u8 minrate;
2307 } __packed;
2308
2309 /*
2310  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2311  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2312  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2313  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2314  *      validated this.
2315  * @return the actual size of the IE data (not including header), or 0 on error
2316  */
2317 static inline u8
2318 ieee80211_he_oper_size(const u8 *he_oper_ie)
2319 {
2320         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2321         u8 oper_len = sizeof(struct ieee80211_he_operation);
2322         u32 he_oper_params;
2323
2324         /* Make sure the input is not NULL */
2325         if (!he_oper_ie)
2326                 return 0;
2327
2328         /* Calc required length */
2329         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2330         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2331                 oper_len += 3;
2332         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2333                 oper_len++;
2334         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2335                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2336
2337         /* Add the first byte (extension ID) to the total length */
2338         oper_len++;
2339
2340         return oper_len;
2341 }
2342
2343 /**
2344  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2345  * @he_oper: HE operation element (must be pre-validated for size)
2346  *      but may be %NULL
2347  *
2348  * Return: a pointer to the 6 GHz operation field, or %NULL
2349  */
2350 static inline const struct ieee80211_he_6ghz_oper *
2351 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2352 {
2353         const u8 *ret = (void *)&he_oper->optional;
2354         u32 he_oper_params;
2355
2356         if (!he_oper)
2357                 return NULL;
2358
2359         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2360
2361         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2362                 return NULL;
2363         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2364                 ret += 3;
2365         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2366                 ret++;
2367
2368         return (void *)ret;
2369 }
2370
2371 /* HE Spatial Reuse defines */
2372 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2373 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2374 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2375 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2376 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2377
2378 /*
2379  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2380  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2381  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2382  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2383  *      this
2384  * @return the actual size of the IE data (not including header), or 0 on error
2385  */
2386 static inline u8
2387 ieee80211_he_spr_size(const u8 *he_spr_ie)
2388 {
2389         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2390         u8 spr_len = sizeof(struct ieee80211_he_spr);
2391         u8 he_spr_params;
2392
2393         /* Make sure the input is not NULL */
2394         if (!he_spr_ie)
2395                 return 0;
2396
2397         /* Calc required length */
2398         he_spr_params = he_spr->he_sr_control;
2399         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2400                 spr_len++;
2401         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2402                 spr_len += 18;
2403
2404         /* Add the first byte (extension ID) to the total length */
2405         spr_len++;
2406
2407         return spr_len;
2408 }
2409
2410 /* S1G Capabilities Information field */
2411 #define IEEE80211_S1G_CAPABILITY_LEN    15
2412
2413 #define S1G_CAP0_S1G_LONG       BIT(0)
2414 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2415 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2416 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2417 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2418 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2419 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2420
2421 #define S1G_SUPP_CH_WIDTH_2     0
2422 #define S1G_SUPP_CH_WIDTH_4     1
2423 #define S1G_SUPP_CH_WIDTH_8     2
2424 #define S1G_SUPP_CH_WIDTH_16    3
2425 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2426                                                     cap[0])) << 1)
2427
2428 #define S1G_CAP1_RX_LDPC        BIT(0)
2429 #define S1G_CAP1_TX_STBC        BIT(1)
2430 #define S1G_CAP1_RX_STBC        BIT(2)
2431 #define S1G_CAP1_SU_BFER        BIT(3)
2432 #define S1G_CAP1_SU_BFEE        BIT(4)
2433 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2434
2435 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2436 #define S1G_CAP2_MU_BFER                BIT(3)
2437 #define S1G_CAP2_MU_BFEE                BIT(4)
2438 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2439 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2440
2441 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2442 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2443 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2444 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2445 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2446
2447 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2448 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2449 #define S1G_CAP4_BAT            BIT(2)
2450 #define S1G_CAP4_TIME_ADE       BIT(3)
2451 #define S1G_CAP4_NON_TIM        BIT(4)
2452 #define S1G_CAP4_GROUP_AID      BIT(5)
2453 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2454
2455 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2456 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2457 #define S1G_CAP5_AMSDU                  BIT(2)
2458 #define S1G_CAP5_AMPDU                  BIT(3)
2459 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2460 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2461 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2462
2463 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2464 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2465 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2466 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2467 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2468 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2469 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2470
2471 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2472 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2473 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2474 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2475 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2476 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2477 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2478 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2479
2480 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2481 #define S1G_CAP8_BDT            BIT(1)
2482 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2483 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2484 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2485 #define S1G_CAP8_PV1_FRAME      BIT(7)
2486
2487 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2488
2489 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2490 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2491
2492
2493 #define LISTEN_INT_USF  GENMASK(15, 14)
2494 #define LISTEN_INT_UI   GENMASK(13, 0)
2495
2496 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
2497 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
2498
2499 /* Authentication algorithms */
2500 #define WLAN_AUTH_OPEN 0
2501 #define WLAN_AUTH_SHARED_KEY 1
2502 #define WLAN_AUTH_FT 2
2503 #define WLAN_AUTH_SAE 3
2504 #define WLAN_AUTH_FILS_SK 4
2505 #define WLAN_AUTH_FILS_SK_PFS 5
2506 #define WLAN_AUTH_FILS_PK 6
2507 #define WLAN_AUTH_LEAP 128
2508
2509 #define WLAN_AUTH_CHALLENGE_LEN 128
2510
2511 #define WLAN_CAPABILITY_ESS             (1<<0)
2512 #define WLAN_CAPABILITY_IBSS            (1<<1)
2513
2514 /*
2515  * A mesh STA sets the ESS and IBSS capability bits to zero.
2516  * however, this holds true for p2p probe responses (in the p2p_find
2517  * phase) as well.
2518  */
2519 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2520         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2521
2522 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2523 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2524 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2525 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2526 #define WLAN_CAPABILITY_PBCC            (1<<6)
2527 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2528
2529 /* 802.11h */
2530 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2531 #define WLAN_CAPABILITY_QOS             (1<<9)
2532 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2533 #define WLAN_CAPABILITY_APSD            (1<<11)
2534 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2535 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2536 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2537 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2538
2539 /* DMG (60gHz) 802.11ad */
2540 /* type - bits 0..1 */
2541 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2542 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2543 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2544 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2545
2546 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2547 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2548 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2549 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2550
2551 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2552 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2553
2554 /* measurement */
2555 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2556 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2557 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2558
2559 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2560 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2561 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2562 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2563 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2564
2565 /* 802.11g ERP information element */
2566 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2567 #define WLAN_ERP_USE_PROTECTION (1<<1)
2568 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2569
2570 /* WLAN_ERP_BARKER_PREAMBLE values */
2571 enum {
2572         WLAN_ERP_PREAMBLE_SHORT = 0,
2573         WLAN_ERP_PREAMBLE_LONG = 1,
2574 };
2575
2576 /* Band ID, 802.11ad #8.4.1.45 */
2577 enum {
2578         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2579         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2580         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2581         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2582         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2583         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2584 };
2585
2586 /* Status codes */
2587 enum ieee80211_statuscode {
2588         WLAN_STATUS_SUCCESS = 0,
2589         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2590         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2591         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2592         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2593         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2594         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2595         WLAN_STATUS_CHALLENGE_FAIL = 15,
2596         WLAN_STATUS_AUTH_TIMEOUT = 16,
2597         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2598         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2599         /* 802.11b */
2600         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2601         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2602         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2603         /* 802.11h */
2604         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2605         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2606         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2607         /* 802.11g */
2608         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2609         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2610         /* 802.11w */
2611         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2612         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2613         /* 802.11i */
2614         WLAN_STATUS_INVALID_IE = 40,
2615         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2616         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2617         WLAN_STATUS_INVALID_AKMP = 43,
2618         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2619         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2620         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2621         /* 802.11e */
2622         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2623         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2624         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2625         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2626         WLAN_STATUS_REQUEST_DECLINED = 37,
2627         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2628         WLAN_STATUS_CHANGE_TSPEC = 39,
2629         WLAN_STATUS_WAIT_TS_DELAY = 47,
2630         WLAN_STATUS_NO_DIRECT_LINK = 48,
2631         WLAN_STATUS_STA_NOT_PRESENT = 49,
2632         WLAN_STATUS_STA_NOT_QSTA = 50,
2633         /* 802.11s */
2634         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2635         WLAN_STATUS_FCG_NOT_SUPP = 78,
2636         WLAN_STATUS_STA_NO_TBTT = 78,
2637         /* 802.11ad */
2638         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2639         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2640         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2641         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2642         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2643         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2644         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2645         WLAN_STATUS_REJECT_DSE_BAND = 96,
2646         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2647         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2648         /* 802.11ai */
2649         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2650         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2651         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
2652         WLAN_STATUS_SAE_PK = 127,
2653 };
2654
2655
2656 /* Reason codes */
2657 enum ieee80211_reasoncode {
2658         WLAN_REASON_UNSPECIFIED = 1,
2659         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2660         WLAN_REASON_DEAUTH_LEAVING = 3,
2661         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2662         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2663         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2664         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2665         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2666         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2667         /* 802.11h */
2668         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2669         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2670         /* 802.11i */
2671         WLAN_REASON_INVALID_IE = 13,
2672         WLAN_REASON_MIC_FAILURE = 14,
2673         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2674         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2675         WLAN_REASON_IE_DIFFERENT = 17,
2676         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2677         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2678         WLAN_REASON_INVALID_AKMP = 20,
2679         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2680         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2681         WLAN_REASON_IEEE8021X_FAILED = 23,
2682         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2683         /* TDLS (802.11z) */
2684         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2685         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2686         /* 802.11e */
2687         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2688         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2689         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2690         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2691         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2692         WLAN_REASON_QSTA_NOT_USE = 37,
2693         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2694         WLAN_REASON_QSTA_TIMEOUT = 39,
2695         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2696         /* 802.11s */
2697         WLAN_REASON_MESH_PEER_CANCELED = 52,
2698         WLAN_REASON_MESH_MAX_PEERS = 53,
2699         WLAN_REASON_MESH_CONFIG = 54,
2700         WLAN_REASON_MESH_CLOSE = 55,
2701         WLAN_REASON_MESH_MAX_RETRIES = 56,
2702         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2703         WLAN_REASON_MESH_INVALID_GTK = 58,
2704         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2705         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2706         WLAN_REASON_MESH_PATH_ERROR = 61,
2707         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2708         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2709         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2710         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2711         WLAN_REASON_MESH_CHAN = 66,
2712 };
2713
2714
2715 /* Information Element IDs */
2716 enum ieee80211_eid {
2717         WLAN_EID_SSID = 0,
2718         WLAN_EID_SUPP_RATES = 1,
2719         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2720         WLAN_EID_DS_PARAMS = 3,
2721         WLAN_EID_CF_PARAMS = 4,
2722         WLAN_EID_TIM = 5,
2723         WLAN_EID_IBSS_PARAMS = 6,
2724         WLAN_EID_COUNTRY = 7,
2725         /* 8, 9 reserved */
2726         WLAN_EID_REQUEST = 10,
2727         WLAN_EID_QBSS_LOAD = 11,
2728         WLAN_EID_EDCA_PARAM_SET = 12,
2729         WLAN_EID_TSPEC = 13,
2730         WLAN_EID_TCLAS = 14,
2731         WLAN_EID_SCHEDULE = 15,
2732         WLAN_EID_CHALLENGE = 16,
2733         /* 17-31 reserved for challenge text extension */
2734         WLAN_EID_PWR_CONSTRAINT = 32,
2735         WLAN_EID_PWR_CAPABILITY = 33,
2736         WLAN_EID_TPC_REQUEST = 34,
2737         WLAN_EID_TPC_REPORT = 35,
2738         WLAN_EID_SUPPORTED_CHANNELS = 36,
2739         WLAN_EID_CHANNEL_SWITCH = 37,
2740         WLAN_EID_MEASURE_REQUEST = 38,
2741         WLAN_EID_MEASURE_REPORT = 39,
2742         WLAN_EID_QUIET = 40,
2743         WLAN_EID_IBSS_DFS = 41,
2744         WLAN_EID_ERP_INFO = 42,
2745         WLAN_EID_TS_DELAY = 43,
2746         WLAN_EID_TCLAS_PROCESSING = 44,
2747         WLAN_EID_HT_CAPABILITY = 45,
2748         WLAN_EID_QOS_CAPA = 46,
2749         /* 47 reserved for Broadcom */
2750         WLAN_EID_RSN = 48,
2751         WLAN_EID_802_15_COEX = 49,
2752         WLAN_EID_EXT_SUPP_RATES = 50,
2753         WLAN_EID_AP_CHAN_REPORT = 51,
2754         WLAN_EID_NEIGHBOR_REPORT = 52,
2755         WLAN_EID_RCPI = 53,
2756         WLAN_EID_MOBILITY_DOMAIN = 54,
2757         WLAN_EID_FAST_BSS_TRANSITION = 55,
2758         WLAN_EID_TIMEOUT_INTERVAL = 56,
2759         WLAN_EID_RIC_DATA = 57,
2760         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2761         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2762         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2763         WLAN_EID_HT_OPERATION = 61,
2764         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2765         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2766         WLAN_EID_ANTENNA_INFO = 64,
2767         WLAN_EID_RSNI = 65,
2768         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2769         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2770         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2771         WLAN_EID_TIME_ADVERTISEMENT = 69,
2772         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2773         WLAN_EID_MULTIPLE_BSSID = 71,
2774         WLAN_EID_BSS_COEX_2040 = 72,
2775         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2776         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2777         WLAN_EID_RIC_DESCRIPTOR = 75,
2778         WLAN_EID_MMIE = 76,
2779         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2780         WLAN_EID_EVENT_REQUEST = 78,
2781         WLAN_EID_EVENT_REPORT = 79,
2782         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2783         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2784         WLAN_EID_LOCATION_PARAMS = 82,
2785         WLAN_EID_NON_TX_BSSID_CAP =  83,
2786         WLAN_EID_SSID_LIST = 84,
2787         WLAN_EID_MULTI_BSSID_IDX = 85,
2788         WLAN_EID_FMS_DESCRIPTOR = 86,
2789         WLAN_EID_FMS_REQUEST = 87,
2790         WLAN_EID_FMS_RESPONSE = 88,
2791         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2792         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2793         WLAN_EID_TSF_REQUEST = 91,
2794         WLAN_EID_TSF_RESPOSNE = 92,
2795         WLAN_EID_WNM_SLEEP_MODE = 93,
2796         WLAN_EID_TIM_BCAST_REQ = 94,
2797         WLAN_EID_TIM_BCAST_RESP = 95,
2798         WLAN_EID_COLL_IF_REPORT = 96,
2799         WLAN_EID_CHANNEL_USAGE = 97,
2800         WLAN_EID_TIME_ZONE = 98,
2801         WLAN_EID_DMS_REQUEST = 99,
2802         WLAN_EID_DMS_RESPONSE = 100,
2803         WLAN_EID_LINK_ID = 101,
2804         WLAN_EID_WAKEUP_SCHEDUL = 102,
2805         /* 103 reserved */
2806         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2807         WLAN_EID_PTI_CONTROL = 105,
2808         WLAN_EID_PU_BUFFER_STATUS = 106,
2809         WLAN_EID_INTERWORKING = 107,
2810         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2811         WLAN_EID_EXPEDITED_BW_REQ = 109,
2812         WLAN_EID_QOS_MAP_SET = 110,
2813         WLAN_EID_ROAMING_CONSORTIUM = 111,
2814         WLAN_EID_EMERGENCY_ALERT = 112,
2815         WLAN_EID_MESH_CONFIG = 113,
2816         WLAN_EID_MESH_ID = 114,
2817         WLAN_EID_LINK_METRIC_REPORT = 115,
2818         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2819         WLAN_EID_PEER_MGMT = 117,
2820         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2821         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2822         WLAN_EID_BEACON_TIMING = 120,
2823         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2824         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2825         WLAN_EID_MCCAOP_ADVERT = 123,
2826         WLAN_EID_MCCAOP_TEARDOWN = 124,
2827         WLAN_EID_GANN = 125,
2828         WLAN_EID_RANN = 126,
2829         WLAN_EID_EXT_CAPABILITY = 127,
2830         /* 128, 129 reserved for Agere */
2831         WLAN_EID_PREQ = 130,
2832         WLAN_EID_PREP = 131,
2833         WLAN_EID_PERR = 132,
2834         /* 133-136 reserved for Cisco */
2835         WLAN_EID_PXU = 137,
2836         WLAN_EID_PXUC = 138,
2837         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2838         WLAN_EID_MIC = 140,
2839         WLAN_EID_DESTINATION_URI = 141,
2840         WLAN_EID_UAPSD_COEX = 142,
2841         WLAN_EID_WAKEUP_SCHEDULE = 143,
2842         WLAN_EID_EXT_SCHEDULE = 144,
2843         WLAN_EID_STA_AVAILABILITY = 145,
2844         WLAN_EID_DMG_TSPEC = 146,
2845         WLAN_EID_DMG_AT = 147,
2846         WLAN_EID_DMG_CAP = 148,
2847         /* 149 reserved for Cisco */
2848         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2849         WLAN_EID_DMG_OPERATION = 151,
2850         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2851         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2852         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2853         /* 155-156 reserved for Cisco */
2854         WLAN_EID_AWAKE_WINDOW = 157,
2855         WLAN_EID_MULTI_BAND = 158,
2856         WLAN_EID_ADDBA_EXT = 159,
2857         WLAN_EID_NEXT_PCP_LIST = 160,
2858         WLAN_EID_PCP_HANDOVER = 161,
2859         WLAN_EID_DMG_LINK_MARGIN = 162,
2860         WLAN_EID_SWITCHING_STREAM = 163,
2861         WLAN_EID_SESSION_TRANSITION = 164,
2862         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2863         WLAN_EID_CLUSTER_REPORT = 166,
2864         WLAN_EID_RELAY_CAP = 167,
2865         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2866         WLAN_EID_BEAM_LINK_MAINT = 169,
2867         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2868         WLAN_EID_U_PID = 171,
2869         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2870         /* 173 reserved for Symbol */
2871         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2872         WLAN_EID_QUIET_PERIOD_REQ = 175,
2873         /* 176 reserved for Symbol */
2874         WLAN_EID_QUIET_PERIOD_RESP = 177,
2875         /* 178-179 reserved for Symbol */
2876         /* 180 reserved for ISO/IEC 20011 */
2877         WLAN_EID_EPAC_POLICY = 182,
2878         WLAN_EID_CLISTER_TIME_OFF = 183,
2879         WLAN_EID_INTER_AC_PRIO = 184,
2880         WLAN_EID_SCS_DESCRIPTOR = 185,
2881         WLAN_EID_QLOAD_REPORT = 186,
2882         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2883         WLAN_EID_HL_STREAM_ID = 188,
2884         WLAN_EID_GCR_GROUP_ADDR = 189,
2885         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2886         WLAN_EID_VHT_CAPABILITY = 191,
2887         WLAN_EID_VHT_OPERATION = 192,
2888         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2889         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2890         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2891         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2892         WLAN_EID_AID = 197,
2893         WLAN_EID_QUIET_CHANNEL = 198,
2894         WLAN_EID_OPMODE_NOTIF = 199,
2895
2896         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
2897
2898         WLAN_EID_AID_REQUEST = 210,
2899         WLAN_EID_AID_RESPONSE = 211,
2900         WLAN_EID_S1G_BCN_COMPAT = 213,
2901         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2902         WLAN_EID_S1G_CAPABILITIES = 217,
2903         WLAN_EID_VENDOR_SPECIFIC = 221,
2904         WLAN_EID_QOS_PARAMETER = 222,
2905         WLAN_EID_S1G_OPERATION = 232,
2906         WLAN_EID_CAG_NUMBER = 237,
2907         WLAN_EID_AP_CSN = 239,
2908         WLAN_EID_FILS_INDICATION = 240,
2909         WLAN_EID_DILS = 241,
2910         WLAN_EID_FRAGMENT = 242,
2911         WLAN_EID_RSNX = 244,
2912         WLAN_EID_EXTENSION = 255
2913 };
2914
2915 /* Element ID Extensions for Element ID 255 */
2916 enum ieee80211_eid_ext {
2917         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2918         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2919         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2920         WLAN_EID_EXT_FILS_SESSION = 4,
2921         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2922         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2923         WLAN_EID_EXT_KEY_DELIVERY = 7,
2924         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2925         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2926         WLAN_EID_EXT_FILS_NONCE = 13,
2927         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2928         WLAN_EID_EXT_HE_CAPABILITY = 35,
2929         WLAN_EID_EXT_HE_OPERATION = 36,
2930         WLAN_EID_EXT_UORA = 37,
2931         WLAN_EID_EXT_HE_MU_EDCA = 38,
2932         WLAN_EID_EXT_HE_SPR = 39,
2933         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
2934         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
2935         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
2936         WLAN_EID_EXT_ESS_REPORT = 45,
2937         WLAN_EID_EXT_OPS = 46,
2938         WLAN_EID_EXT_HE_BSS_LOAD = 47,
2939         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2940         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2941         WLAN_EID_EXT_NON_INHERITANCE = 56,
2942         WLAN_EID_EXT_KNOWN_BSSID = 57,
2943         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
2944         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
2945         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
2946 };
2947
2948 /* Action category code */
2949 enum ieee80211_category {
2950         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2951         WLAN_CATEGORY_QOS = 1,
2952         WLAN_CATEGORY_DLS = 2,
2953         WLAN_CATEGORY_BACK = 3,
2954         WLAN_CATEGORY_PUBLIC = 4,
2955         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2956         WLAN_CATEGORY_HT = 7,
2957         WLAN_CATEGORY_SA_QUERY = 8,
2958         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2959         WLAN_CATEGORY_WNM = 10,
2960         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2961         WLAN_CATEGORY_TDLS = 12,
2962         WLAN_CATEGORY_MESH_ACTION = 13,
2963         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2964         WLAN_CATEGORY_SELF_PROTECTED = 15,
2965         WLAN_CATEGORY_DMG = 16,
2966         WLAN_CATEGORY_WMM = 17,
2967         WLAN_CATEGORY_FST = 18,
2968         WLAN_CATEGORY_UNPROT_DMG = 20,
2969         WLAN_CATEGORY_VHT = 21,
2970         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2971         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2972 };
2973
2974 /* SPECTRUM_MGMT action code */
2975 enum ieee80211_spectrum_mgmt_actioncode {
2976         WLAN_ACTION_SPCT_MSR_REQ = 0,
2977         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2978         WLAN_ACTION_SPCT_TPC_REQ = 2,
2979         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2980         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2981 };
2982
2983 /* HT action codes */
2984 enum ieee80211_ht_actioncode {
2985         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2986         WLAN_HT_ACTION_SMPS = 1,
2987         WLAN_HT_ACTION_PSMP = 2,
2988         WLAN_HT_ACTION_PCO_PHASE = 3,
2989         WLAN_HT_ACTION_CSI = 4,
2990         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2991         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2992         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2993 };
2994
2995 /* VHT action codes */
2996 enum ieee80211_vht_actioncode {
2997         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2998         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2999         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3000 };
3001
3002 /* Self Protected Action codes */
3003 enum ieee80211_self_protected_actioncode {
3004         WLAN_SP_RESERVED = 0,
3005         WLAN_SP_MESH_PEERING_OPEN = 1,
3006         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3007         WLAN_SP_MESH_PEERING_CLOSE = 3,
3008         WLAN_SP_MGK_INFORM = 4,
3009         WLAN_SP_MGK_ACK = 5,
3010 };
3011
3012 /* Mesh action codes */
3013 enum ieee80211_mesh_actioncode {
3014         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3015         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3016         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3017         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3018         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3019         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3020         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3021         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3022         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3023         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3024         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3025 };
3026
3027 /* Security key length */
3028 enum ieee80211_key_len {
3029         WLAN_KEY_LEN_WEP40 = 5,
3030         WLAN_KEY_LEN_WEP104 = 13,
3031         WLAN_KEY_LEN_CCMP = 16,
3032         WLAN_KEY_LEN_CCMP_256 = 32,
3033         WLAN_KEY_LEN_TKIP = 32,
3034         WLAN_KEY_LEN_AES_CMAC = 16,
3035         WLAN_KEY_LEN_SMS4 = 32,
3036         WLAN_KEY_LEN_GCMP = 16,
3037         WLAN_KEY_LEN_GCMP_256 = 32,
3038         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3039         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3040         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3041 };
3042
3043 #define IEEE80211_WEP_IV_LEN            4
3044 #define IEEE80211_WEP_ICV_LEN           4
3045 #define IEEE80211_CCMP_HDR_LEN          8
3046 #define IEEE80211_CCMP_MIC_LEN          8
3047 #define IEEE80211_CCMP_PN_LEN           6
3048 #define IEEE80211_CCMP_256_HDR_LEN      8
3049 #define IEEE80211_CCMP_256_MIC_LEN      16
3050 #define IEEE80211_CCMP_256_PN_LEN       6
3051 #define IEEE80211_TKIP_IV_LEN           8
3052 #define IEEE80211_TKIP_ICV_LEN          4
3053 #define IEEE80211_CMAC_PN_LEN           6
3054 #define IEEE80211_GMAC_PN_LEN           6
3055 #define IEEE80211_GCMP_HDR_LEN          8
3056 #define IEEE80211_GCMP_MIC_LEN          16
3057 #define IEEE80211_GCMP_PN_LEN           6
3058
3059 #define FILS_NONCE_LEN                  16
3060 #define FILS_MAX_KEK_LEN                64
3061
3062 #define FILS_ERP_MAX_USERNAME_LEN       16
3063 #define FILS_ERP_MAX_REALM_LEN          253
3064 #define FILS_ERP_MAX_RRK_LEN            64
3065
3066 #define PMK_MAX_LEN                     64
3067 #define SAE_PASSWORD_MAX_LEN            128
3068
3069 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3070 enum ieee80211_pub_actioncode {
3071         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3072         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3073         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3074         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3075         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3076         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3077         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3078         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3079         WLAN_PUB_ACTION_DSE_PC = 8,
3080         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3081         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3082         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3083         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3084         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3085         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3086         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3087         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3088         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3089         WLAN_PUB_ACTION_QMF_POLICY = 18,
3090         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3091         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3092         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3093         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3094         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3095         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3096         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3097         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3098         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3099         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3100         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3101         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3102         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3103         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3104         WLAN_PUB_ACTION_FTM = 33,
3105         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3106 };
3107
3108 /* TDLS action codes */
3109 enum ieee80211_tdls_actioncode {
3110         WLAN_TDLS_SETUP_REQUEST = 0,
3111         WLAN_TDLS_SETUP_RESPONSE = 1,
3112         WLAN_TDLS_SETUP_CONFIRM = 2,
3113         WLAN_TDLS_TEARDOWN = 3,
3114         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3115         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3116         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3117         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3118         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3119         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3120         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3121 };
3122
3123 /* Extended Channel Switching capability to be set in the 1st byte of
3124  * the @WLAN_EID_EXT_CAPABILITY information element
3125  */
3126 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3127
3128 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3129  * @WLAN_EID_EXT_CAPABILITY information element
3130  */
3131 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3132
3133 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3134 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3135 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3136 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3137
3138 /* Interworking capabilities are set in 7th bit of 4th byte of the
3139  * @WLAN_EID_EXT_CAPABILITY information element
3140  */
3141 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3142
3143 /*
3144  * TDLS capabililites to be enabled in the 5th byte of the
3145  * @WLAN_EID_EXT_CAPABILITY information element
3146  */
3147 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3148 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3149 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3150
3151 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3152 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3153
3154 /* Defines the maximal number of MSDUs in an A-MSDU. */
3155 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3156 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3157
3158 /*
3159  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3160  * information element
3161  */
3162 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3163
3164 /* Defines support for TWT Requester and TWT Responder */
3165 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3166 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3167
3168 /*
3169  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3170  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3171  * 26-tone RU UL OFDMA transmissions as radar pulses).
3172  */
3173 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3174
3175 /* Defines support for enhanced multi-bssid advertisement*/
3176 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3177
3178 /* TDLS specific payload type in the LLC/SNAP header */
3179 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3180
3181 /* BSS Coex IE information field bits */
3182 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3183
3184 /**
3185  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3186  *
3187  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3188  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3189  *      that will be specified in a vendor specific information element
3190  */
3191 enum ieee80211_mesh_sync_method {
3192         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3193         IEEE80211_SYNC_METHOD_VENDOR = 255,
3194 };
3195
3196 /**
3197  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3198  *
3199  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3200  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3201  *      be specified in a vendor specific information element
3202  */
3203 enum ieee80211_mesh_path_protocol {
3204         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3205         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3206 };
3207
3208 /**
3209  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3210  *
3211  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3212  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3213  *      specified in a vendor specific information element
3214  */
3215 enum ieee80211_mesh_path_metric {
3216         IEEE80211_PATH_METRIC_AIRTIME = 1,
3217         IEEE80211_PATH_METRIC_VENDOR = 255,
3218 };
3219
3220 /**
3221  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3222  *
3223  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3224  *
3225  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3226  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3227  *      this value
3228  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3229  *      the proactive PREQ with proactive PREP subfield set to 0
3230  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3231  *      supports the proactive PREQ with proactive PREP subfield set to 1
3232  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3233  *      the proactive RANN
3234  */
3235 enum ieee80211_root_mode_identifier {
3236         IEEE80211_ROOTMODE_NO_ROOT = 0,
3237         IEEE80211_ROOTMODE_ROOT = 1,
3238         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3239         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3240         IEEE80211_PROACTIVE_RANN = 4,
3241 };
3242
3243 /*
3244  * IEEE 802.11-2007 7.3.2.9 Country information element
3245  *
3246  * Minimum length is 8 octets, ie len must be evenly
3247  * divisible by 2
3248  */
3249
3250 /* Although the spec says 8 I'm seeing 6 in practice */
3251 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3252
3253 /* The Country String field of the element shall be 3 octets in length */
3254 #define IEEE80211_COUNTRY_STRING_LEN    3
3255
3256 /*
3257  * For regulatory extension stuff see IEEE 802.11-2007
3258  * Annex I (page 1141) and Annex J (page 1147). Also
3259  * review 7.3.2.9.
3260  *
3261  * When dot11RegulatoryClassesRequired is true and the
3262  * first_channel/reg_extension_id is >= 201 then the IE
3263  * compromises of the 'ext' struct represented below:
3264  *
3265  *  - Regulatory extension ID - when generating IE this just needs
3266  *    to be monotonically increasing for each triplet passed in
3267  *    the IE
3268  *  - Regulatory class - index into set of rules
3269  *  - Coverage class - index into air propagation time (Table 7-27),
3270  *    in microseconds, you can compute the air propagation time from
3271  *    the index by multiplying by 3, so index 10 yields a propagation
3272  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3273  *    yet. A value of 0 inicates air propagation of <= 1 us.
3274  *
3275  *  See also Table I.2 for Emission limit sets and table
3276  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3277  *  a reg_class to an emission limit set and behavior limit set.
3278  */
3279 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3280
3281 /*
3282  *  Channels numbers in the IE must be monotonically increasing
3283  *  if dot11RegulatoryClassesRequired is not true.
3284  *
3285  *  If dot11RegulatoryClassesRequired is true consecutive
3286  *  subband triplets following a regulatory triplet shall
3287  *  have monotonically increasing first_channel number fields.
3288  *
3289  *  Channel numbers shall not overlap.
3290  *
3291  *  Note that max_power is signed.
3292  */
3293 struct ieee80211_country_ie_triplet {
3294         union {
3295                 struct {
3296                         u8 first_channel;
3297                         u8 num_channels;
3298                         s8 max_power;
3299                 } __packed chans;
3300                 struct {
3301                         u8 reg_extension_id;
3302                         u8 reg_class;
3303                         u8 coverage_class;
3304                 } __packed ext;
3305         };
3306 } __packed;
3307
3308 enum ieee80211_timeout_interval_type {
3309         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3310         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3311         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3312 };
3313
3314 /**
3315  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3316  * @type: type, see &enum ieee80211_timeout_interval_type
3317  * @value: timeout interval value
3318  */
3319 struct ieee80211_timeout_interval_ie {
3320         u8 type;
3321         __le32 value;
3322 } __packed;
3323
3324 /**
3325  * enum ieee80211_idle_options - BSS idle options
3326  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3327  *      protected frame to the AP to reset the idle timer at the AP for
3328  *      the station.
3329  */
3330 enum ieee80211_idle_options {
3331         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3332 };
3333
3334 /**
3335  * struct ieee80211_bss_max_idle_period_ie
3336  *
3337  * This structure refers to "BSS Max idle period element"
3338  *
3339  * @max_idle_period: indicates the time period during which a station can
3340  *      refrain from transmitting frames to its associated AP without being
3341  *      disassociated. In units of 1000 TUs.
3342  * @idle_options: indicates the options associated with the BSS idle capability
3343  *      as specified in &enum ieee80211_idle_options.
3344  */
3345 struct ieee80211_bss_max_idle_period_ie {
3346         __le16 max_idle_period;
3347         u8 idle_options;
3348 } __packed;
3349
3350 /* BACK action code */
3351 enum ieee80211_back_actioncode {
3352         WLAN_ACTION_ADDBA_REQ = 0,
3353         WLAN_ACTION_ADDBA_RESP = 1,
3354         WLAN_ACTION_DELBA = 2,
3355 };
3356
3357 /* BACK (block-ack) parties */
3358 enum ieee80211_back_parties {
3359         WLAN_BACK_RECIPIENT = 0,
3360         WLAN_BACK_INITIATOR = 1,
3361 };
3362
3363 /* SA Query action */
3364 enum ieee80211_sa_query_action {
3365         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3366         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3367 };
3368
3369 /**
3370  * struct ieee80211_bssid_index
3371  *
3372  * This structure refers to "Multiple BSSID-index element"
3373  *
3374  * @bssid_index: BSSID index
3375  * @dtim_period: optional, overrides transmitted BSS dtim period
3376  * @dtim_count: optional, overrides transmitted BSS dtim count
3377  */
3378 struct ieee80211_bssid_index {
3379         u8 bssid_index;
3380         u8 dtim_period;
3381         u8 dtim_count;
3382 };
3383
3384 /**
3385  * struct ieee80211_multiple_bssid_configuration
3386  *
3387  * This structure refers to "Multiple BSSID Configuration element"
3388  *
3389  * @bssid_count: total number of active BSSIDs in the set
3390  * @profile_periodicity: the least number of beacon frames need to be received
3391  *      in order to discover all the nontransmitted BSSIDs in the set.
3392  */
3393 struct ieee80211_multiple_bssid_configuration {
3394         u8 bssid_count;
3395         u8 profile_periodicity;
3396 };
3397
3398 #define SUITE(oui, id) (((oui) << 8) | (id))
3399
3400 /* cipher suite selectors */
3401 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3402 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3403 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3404 /* reserved:                            SUITE(0x000FAC, 3) */
3405 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3406 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3407 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3408 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3409 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3410 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3411 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3412 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3413 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3414
3415 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3416
3417 /* AKM suite selectors */
3418 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3419 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3420 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3421 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3422 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3423 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3424 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3425 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3426 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3427 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3428 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3429 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3430 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3431 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3432 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3433 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3434 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3435 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3436 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3437 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3438
3439 #define WLAN_MAX_KEY_LEN                32
3440
3441 #define WLAN_PMK_NAME_LEN               16
3442 #define WLAN_PMKID_LEN                  16
3443 #define WLAN_PMK_LEN_EAP_LEAP           16
3444 #define WLAN_PMK_LEN                    32
3445 #define WLAN_PMK_LEN_SUITE_B_192        48
3446
3447 #define WLAN_OUI_WFA                    0x506f9a
3448 #define WLAN_OUI_TYPE_WFA_P2P           9
3449 #define WLAN_OUI_MICROSOFT              0x0050f2
3450 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3451 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3452 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3453 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3454
3455 /*
3456  * WMM/802.11e Tspec Element
3457  */
3458 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3459 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3460
3461 enum ieee80211_tspec_status_code {
3462         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3463         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3464 };
3465
3466 struct ieee80211_tspec_ie {
3467         u8 element_id;
3468         u8 len;
3469         u8 oui[3];
3470         u8 oui_type;
3471         u8 oui_subtype;
3472         u8 version;
3473         __le16 tsinfo;
3474         u8 tsinfo_resvd;
3475         __le16 nominal_msdu;
3476         __le16 max_msdu;
3477         __le32 min_service_int;
3478         __le32 max_service_int;
3479         __le32 inactivity_int;
3480         __le32 suspension_int;
3481         __le32 service_start_time;
3482         __le32 min_data_rate;
3483         __le32 mean_data_rate;
3484         __le32 peak_data_rate;
3485         __le32 max_burst_size;
3486         __le32 delay_bound;
3487         __le32 min_phy_rate;
3488         __le16 sba;
3489         __le16 medium_time;
3490 } __packed;
3491
3492 struct ieee80211_he_6ghz_capa {
3493         /* uses IEEE80211_HE_6GHZ_CAP_* below */
3494         __le16 capa;
3495 } __packed;
3496
3497 /* HE 6 GHz band capabilities */
3498 /* uses enum ieee80211_min_mpdu_spacing values */
3499 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
3500 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3501 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
3502 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3503 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
3504 /* WLAN_HT_CAP_SM_PS_* values */
3505 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
3506 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
3507 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
3508 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
3509
3510 /**
3511  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3512  * @hdr: the frame
3513  *
3514  * The qos ctrl bytes come after the frame_control, duration, seq_num
3515  * and 3 or 4 addresses of length ETH_ALEN.
3516  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3517  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3518  */
3519 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3520 {
3521         if (ieee80211_has_a4(hdr->frame_control))
3522                 return (u8 *)hdr + 30;
3523         else
3524                 return (u8 *)hdr + 24;
3525 }
3526
3527 /**
3528  * ieee80211_get_tid - get qos TID
3529  * @hdr: the frame
3530  */
3531 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3532 {
3533         u8 *qc = ieee80211_get_qos_ctl(hdr);
3534
3535         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3536 }
3537
3538 /**
3539  * ieee80211_get_SA - get pointer to SA
3540  * @hdr: the frame
3541  *
3542  * Given an 802.11 frame, this function returns the offset
3543  * to the source address (SA). It does not verify that the
3544  * header is long enough to contain the address, and the
3545  * header must be long enough to contain the frame control
3546  * field.
3547  */
3548 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3549 {
3550         if (ieee80211_has_a4(hdr->frame_control))
3551                 return hdr->addr4;
3552         if (ieee80211_has_fromds(hdr->frame_control))
3553                 return hdr->addr3;
3554         return hdr->addr2;
3555 }
3556
3557 /**
3558  * ieee80211_get_DA - get pointer to DA
3559  * @hdr: the frame
3560  *
3561  * Given an 802.11 frame, this function returns the offset
3562  * to the destination address (DA). It does not verify that
3563  * the header is long enough to contain the address, and the
3564  * header must be long enough to contain the frame control
3565  * field.
3566  */
3567 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3568 {
3569         if (ieee80211_has_tods(hdr->frame_control))
3570                 return hdr->addr3;
3571         else
3572                 return hdr->addr1;
3573 }
3574
3575 /**
3576  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3577  * @hdr: the frame (buffer must include at least the first octet of payload)
3578  */
3579 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3580 {
3581         if (ieee80211_is_disassoc(hdr->frame_control) ||
3582             ieee80211_is_deauth(hdr->frame_control))
3583                 return true;
3584
3585         if (ieee80211_is_action(hdr->frame_control)) {
3586                 u8 *category;
3587
3588                 /*
3589                  * Action frames, excluding Public Action frames, are Robust
3590                  * Management Frames. However, if we are looking at a Protected
3591                  * frame, skip the check since the data may be encrypted and
3592                  * the frame has already been found to be a Robust Management
3593                  * Frame (by the other end).
3594                  */
3595                 if (ieee80211_has_protected(hdr->frame_control))
3596                         return true;
3597                 category = ((u8 *) hdr) + 24;
3598                 return *category != WLAN_CATEGORY_PUBLIC &&
3599                         *category != WLAN_CATEGORY_HT &&
3600                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3601                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3602                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3603                         *category != WLAN_CATEGORY_VHT &&
3604                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3605         }
3606
3607         return false;
3608 }
3609
3610 /**
3611  * ieee80211_is_public_action - check if frame is a public action frame
3612  * @hdr: the frame
3613  * @len: length of the frame
3614  */
3615 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3616                                               size_t len)
3617 {
3618         struct ieee80211_mgmt *mgmt = (void *)hdr;
3619
3620         if (len < IEEE80211_MIN_ACTION_SIZE)
3621                 return false;
3622         if (!ieee80211_is_action(hdr->frame_control))
3623                 return false;
3624         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3625 }
3626
3627 static inline bool is_multicast_ether_addr(const u8 *a)
3628 {
3629         return 0x01 & a[0];
3630 }
3631
3632 /**
3633  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3634  * privacy action frame
3635  * @hdr: the frame
3636  */
3637 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3638 {
3639         struct ieee80211_mgmt *mgmt = (void *)hdr;
3640
3641         if (!ieee80211_is_action(hdr->frame_control) ||
3642             !is_multicast_ether_addr(hdr->addr1))
3643                 return false;
3644
3645         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3646                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3647 }
3648
3649 /**
3650  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3651  * @tu: the TUs
3652  */
3653 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3654 {
3655         return 1024 * tu;
3656 }
3657
3658 /**
3659  * ieee80211_check_tim - check if AID bit is set in TIM
3660  * @tim: the TIM IE
3661  * @tim_len: length of the TIM IE
3662  * @aid: the AID to look for
3663  */
3664 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3665                                        u8 tim_len, u16 aid)
3666 {
3667         u8 mask;
3668         u8 indexn0, indexn1, indexn2;
3669
3670         if (unlikely(!tim || tim_len < sizeof(*tim)))
3671                 return false;
3672
3673         aid &= 0x3fff;
3674         indexn0 = aid / 8;
3675         mask  = 1 << (aid & 7);
3676
3677         indexn1 = tim->bitmap_ctrl & 0xfe;
3678         indexn2 = tim_len + indexn1 - 4;
3679
3680         if (indexn0 < indexn1 || indexn0 > indexn2)
3681                 return false;
3682
3683         indexn0 -= indexn1;
3684
3685         return !!(tim->virtual_map[indexn0] & mask);
3686 }
3687
3688 /* convert time units */
3689 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3690 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3691
3692 struct element {
3693         u8 id;
3694         u8 datalen;
3695         u8 data[];
3696 } __packed;
3697
3698 /* element iteration helpers */
3699 #define for_each_element(_elem, _data, _datalen)                        \
3700         for (_elem = (const struct element *)(_data);                   \
3701              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3702                 (int)sizeof(*_elem) &&                                  \
3703              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3704                 (int)sizeof(*_elem) + _elem->datalen;                   \
3705              _elem = (const struct element *)(_elem->data + _elem->datalen))
3706
3707 #define for_each_element_id(element, _id, data, datalen)                \
3708         for_each_element(element, data, datalen)                        \
3709                 if (element->id == (_id))
3710
3711 #define for_each_element_extid(element, extid, _data, _datalen)         \
3712         for_each_element(element, _data, _datalen)                      \
3713                 if (element->id == WLAN_EID_EXTENSION &&                \
3714                     element->datalen > 0 &&                             \
3715                     element->data[0] == (extid))
3716
3717 #define for_each_subelement(sub, element)                               \
3718         for_each_element(sub, (element)->data, (element)->datalen)
3719
3720 #define for_each_subelement_id(sub, id, element)                        \
3721         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3722
3723 #define for_each_subelement_extid(sub, extid, element)                  \
3724         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3725
3726 /* convert frequencies */
3727 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3728 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3729 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3730 #define KHZ_F "%d.%03d"
3731
3732 /* convert powers */
3733 #define DBI_TO_MBI(gain) ((gain) * 100)
3734 #define MBI_TO_DBI(gain) ((gain) / 100)
3735 #define DBM_TO_MBM(gain) ((gain) * 100)
3736 #define MBM_TO_DBM(gain) ((gain) / 100)
3737
3738 /**
3739  * for_each_element_completed - determine if element parsing consumed all data
3740  * @element: element pointer after for_each_element() or friends
3741  * @data: same data pointer as passed to for_each_element() or friends
3742  * @datalen: same data length as passed to for_each_element() or friends
3743  *
3744  * This function returns %true if all the data was parsed or considered
3745  * while walking the elements. Only use this if your for_each_element()
3746  * loop cannot be broken out of, otherwise it always returns %false.
3747  *
3748  * If some data was malformed, this returns %false since the last parsed
3749  * element will not fill the whole remaining data.
3750  */
3751 static inline bool for_each_element_completed(const struct element *element,
3752                                               const void *data, size_t datalen)
3753 {
3754         return (const u8 *)element == (const u8 *)data + datalen;
3755 }
3756
3757 /**
3758  * RSNX Capabilities:
3759  * bits 0-3: Field length (n-1)
3760  */
3761 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3762 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3763
3764 /*
3765  * reduced neighbor report, based on Draft P802.11ax_D5.0,
3766  * section 9.4.2.170
3767  */
3768 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
3769 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
3770 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
3771 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
3772 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              8
3773 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        12
3774
3775 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
3776 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
3777 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
3778 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
3779 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
3780 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
3781 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
3782
3783 struct ieee80211_neighbor_ap_info {
3784        u8 tbtt_info_hdr;
3785        u8 tbtt_info_len;
3786        u8 op_class;
3787        u8 channel;
3788 } __packed;
3789
3790 #endif /* __LINUX_IEEE80211_H */