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 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1267
1268 /* mgmt header + 1 byte category code */
1269 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1270
1271
1272 /* Management MIC information element (IEEE 802.11w) */
1273 struct ieee80211_mmie {
1274         u8 element_id;
1275         u8 length;
1276         __le16 key_id;
1277         u8 sequence_number[6];
1278         u8 mic[8];
1279 } __packed;
1280
1281 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1282 struct ieee80211_mmie_16 {
1283         u8 element_id;
1284         u8 length;
1285         __le16 key_id;
1286         u8 sequence_number[6];
1287         u8 mic[16];
1288 } __packed;
1289
1290 struct ieee80211_vendor_ie {
1291         u8 element_id;
1292         u8 len;
1293         u8 oui[3];
1294         u8 oui_type;
1295 } __packed;
1296
1297 struct ieee80211_wmm_ac_param {
1298         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1299         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1300         __le16 txop_limit;
1301 } __packed;
1302
1303 struct ieee80211_wmm_param_ie {
1304         u8 element_id; /* Element ID: 221 (0xdd); */
1305         u8 len; /* Length: 24 */
1306         /* required fields for WMM version 1 */
1307         u8 oui[3]; /* 00:50:f2 */
1308         u8 oui_type; /* 2 */
1309         u8 oui_subtype; /* 1 */
1310         u8 version; /* 1 for WMM version 1.0 */
1311         u8 qos_info; /* AP/STA specific QoS info */
1312         u8 reserved; /* 0 */
1313         /* AC_BE, AC_BK, AC_VI, AC_VO */
1314         struct ieee80211_wmm_ac_param ac[4];
1315 } __packed;
1316
1317 /* Control frames */
1318 struct ieee80211_rts {
1319         __le16 frame_control;
1320         __le16 duration;
1321         u8 ra[6];
1322         u8 ta[6];
1323 } __packed __aligned(2);
1324
1325 struct ieee80211_cts {
1326         __le16 frame_control;
1327         __le16 duration;
1328         u8 ra[6];
1329 } __packed __aligned(2);
1330
1331 struct ieee80211_pspoll {
1332         __le16 frame_control;
1333         __le16 aid;
1334         u8 bssid[6];
1335         u8 ta[6];
1336 } __packed __aligned(2);
1337
1338 /* TDLS */
1339
1340 /* Channel switch timing */
1341 struct ieee80211_ch_switch_timing {
1342         __le16 switch_time;
1343         __le16 switch_timeout;
1344 } __packed;
1345
1346 /* Link-id information element */
1347 struct ieee80211_tdls_lnkie {
1348         u8 ie_type; /* Link Identifier IE */
1349         u8 ie_len;
1350         u8 bssid[6];
1351         u8 init_sta[6];
1352         u8 resp_sta[6];
1353 } __packed;
1354
1355 struct ieee80211_tdls_data {
1356         u8 da[6];
1357         u8 sa[6];
1358         __be16 ether_type;
1359         u8 payload_type;
1360         u8 category;
1361         u8 action_code;
1362         union {
1363                 struct {
1364                         u8 dialog_token;
1365                         __le16 capability;
1366                         u8 variable[0];
1367                 } __packed setup_req;
1368                 struct {
1369                         __le16 status_code;
1370                         u8 dialog_token;
1371                         __le16 capability;
1372                         u8 variable[0];
1373                 } __packed setup_resp;
1374                 struct {
1375                         __le16 status_code;
1376                         u8 dialog_token;
1377                         u8 variable[0];
1378                 } __packed setup_cfm;
1379                 struct {
1380                         __le16 reason_code;
1381                         u8 variable[0];
1382                 } __packed teardown;
1383                 struct {
1384                         u8 dialog_token;
1385                         u8 variable[0];
1386                 } __packed discover_req;
1387                 struct {
1388                         u8 target_channel;
1389                         u8 oper_class;
1390                         u8 variable[0];
1391                 } __packed chan_switch_req;
1392                 struct {
1393                         __le16 status_code;
1394                         u8 variable[0];
1395                 } __packed chan_switch_resp;
1396         } u;
1397 } __packed;
1398
1399 /*
1400  * Peer-to-Peer IE attribute related definitions.
1401  */
1402 /**
1403  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1404  */
1405 enum ieee80211_p2p_attr_id {
1406         IEEE80211_P2P_ATTR_STATUS = 0,
1407         IEEE80211_P2P_ATTR_MINOR_REASON,
1408         IEEE80211_P2P_ATTR_CAPABILITY,
1409         IEEE80211_P2P_ATTR_DEVICE_ID,
1410         IEEE80211_P2P_ATTR_GO_INTENT,
1411         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1412         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1413         IEEE80211_P2P_ATTR_GROUP_BSSID,
1414         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1415         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1416         IEEE80211_P2P_ATTR_MANAGABILITY,
1417         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1418         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1419         IEEE80211_P2P_ATTR_DEVICE_INFO,
1420         IEEE80211_P2P_ATTR_GROUP_INFO,
1421         IEEE80211_P2P_ATTR_GROUP_ID,
1422         IEEE80211_P2P_ATTR_INTERFACE,
1423         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1424         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1425         /* 19 - 220: Reserved */
1426         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1427
1428         IEEE80211_P2P_ATTR_MAX
1429 };
1430
1431 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1432 /* Typical max value used here */
1433 #define IEEE80211_P2P_NOA_DESC_MAX      4
1434
1435 struct ieee80211_p2p_noa_desc {
1436         u8 count;
1437         __le32 duration;
1438         __le32 interval;
1439         __le32 start_time;
1440 } __packed;
1441
1442 struct ieee80211_p2p_noa_attr {
1443         u8 index;
1444         u8 oppps_ctwindow;
1445         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1446 } __packed;
1447
1448 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1449 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1450
1451 /**
1452  * struct ieee80211_bar - HT Block Ack Request
1453  *
1454  * This structure refers to "HT BlockAckReq" as
1455  * described in 802.11n draft section 7.2.1.7.1
1456  */
1457 struct ieee80211_bar {
1458         __le16 frame_control;
1459         __le16 duration;
1460         __u8 ra[6];
1461         __u8 ta[6];
1462         __le16 control;
1463         __le16 start_seq_num;
1464 } __packed __aligned(2);
1465
1466 /* 802.11 BA(R) control masks */
1467 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1468 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1469 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1470 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1471 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1472
1473 /**
1474  * struct ieee80211_ba - HT Block Ack
1475  *
1476  * This structure refers to "HT BlockAck" as
1477  * described in 802.11n draft section 7.2.1.8.1
1478  */
1479 struct ieee80211_ba {
1480         __le16 frame_control;
1481         __le16 duration;
1482         u8 ra[6];
1483         u8 ta[6];
1484         __le16 control;
1485
1486         __le16 start_seq_num;
1487         u8 bitmap[8];
1488 } __packed;
1489
1490 #define IEEE80211_HT_MCS_MASK_LEN               10
1491
1492 /**
1493  * struct ieee80211_mcs_info - MCS information
1494  * @rx_mask: RX mask
1495  * @rx_highest: highest supported RX rate. If set represents
1496  *      the highest supported RX data rate in units of 1 Mbps.
1497  *      If this field is 0 this value should not be used to
1498  *      consider the highest RX data rate supported.
1499  * @tx_params: TX parameters
1500  */
1501 struct ieee80211_mcs_info {
1502         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1503         __le16 rx_highest;
1504         u8 tx_params;
1505         u8 reserved[3];
1506 } __packed;
1507
1508 /* 802.11n HT capability MSC set */
1509 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1510 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1511 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1512 /* value 0 == 1 stream etc */
1513 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1514 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1515 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1516 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1517
1518 /*
1519  * 802.11n D5.0 20.3.5 / 20.6 says:
1520  * - indices 0 to 7 and 32 are single spatial stream
1521  * - 8 to 31 are multiple spatial streams using equal modulation
1522  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1523  * - remainder are multiple spatial streams using unequal modulation
1524  */
1525 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1526 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1527         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1528
1529 /**
1530  * struct ieee80211_ht_cap - HT capabilities
1531  *
1532  * This structure is the "HT capabilities element" as
1533  * described in 802.11n D5.0 7.3.2.57
1534  */
1535 struct ieee80211_ht_cap {
1536         __le16 cap_info;
1537         u8 ampdu_params_info;
1538
1539         /* 16 bytes MCS information */
1540         struct ieee80211_mcs_info mcs;
1541
1542         __le16 extended_ht_cap_info;
1543         __le32 tx_BF_cap_info;
1544         u8 antenna_selection_info;
1545 } __packed;
1546
1547 /* 802.11n HT capabilities masks (for cap_info) */
1548 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1549 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1550 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1551 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1552 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1553 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1554 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1555 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1556 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1557 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1558 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1559 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1560 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1561 #define IEEE80211_HT_CAP_RESERVED               0x2000
1562 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1563 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1564
1565 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1566 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1567 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1568 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1569 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1570 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1571 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1572 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1573
1574 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1575 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1576 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1577 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1578
1579 /*
1580  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1581  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1582  */
1583 enum ieee80211_max_ampdu_length_exp {
1584         IEEE80211_HT_MAX_AMPDU_8K = 0,
1585         IEEE80211_HT_MAX_AMPDU_16K = 1,
1586         IEEE80211_HT_MAX_AMPDU_32K = 2,
1587         IEEE80211_HT_MAX_AMPDU_64K = 3
1588 };
1589
1590 /*
1591  * Maximum length of AMPDU that the STA can receive in VHT.
1592  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1593  */
1594 enum ieee80211_vht_max_ampdu_length_exp {
1595         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1596         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1597         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1598         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1599         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1600         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1601         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1602         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1603 };
1604
1605 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1606
1607 /* Minimum MPDU start spacing */
1608 enum ieee80211_min_mpdu_spacing {
1609         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1610         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1611         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1612         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1613         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1614         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1615         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1616         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1617 };
1618
1619 /**
1620  * struct ieee80211_ht_operation - HT operation IE
1621  *
1622  * This structure is the "HT operation element" as
1623  * described in 802.11n-2009 7.3.2.57
1624  */
1625 struct ieee80211_ht_operation {
1626         u8 primary_chan;
1627         u8 ht_param;
1628         __le16 operation_mode;
1629         __le16 stbc_param;
1630         u8 basic_set[16];
1631 } __packed;
1632
1633 /* for ht_param */
1634 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1635 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1636 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1637 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1638 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1639 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1640
1641 /* for operation_mode */
1642 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1643 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1644 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1645 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1646 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1647 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1648 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1649 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1650 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1651
1652 /* for stbc_param */
1653 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1654 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1655 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1656 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1657 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1658 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1659
1660
1661 /* block-ack parameters */
1662 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1663 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1664 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1665 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1666 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1667 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1668
1669 /*
1670  * A-MPDU buffer sizes
1671  * According to HT size varies from 8 to 64 frames
1672  * HE adds the ability to have up to 256 frames.
1673  */
1674 #define IEEE80211_MIN_AMPDU_BUF         0x8
1675 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1676 #define IEEE80211_MAX_AMPDU_BUF         0x100
1677
1678
1679 /* Spatial Multiplexing Power Save Modes (for capability) */
1680 #define WLAN_HT_CAP_SM_PS_STATIC        0
1681 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1682 #define WLAN_HT_CAP_SM_PS_INVALID       2
1683 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1684
1685 /* for SM power control field lower two bits */
1686 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1687 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1688 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1689
1690 /**
1691  * struct ieee80211_vht_mcs_info - VHT MCS information
1692  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1693  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1694  *      STA can receive. Rate expressed in units of 1 Mbps.
1695  *      If this field is 0 this value should not be used to
1696  *      consider the highest RX data rate supported.
1697  *      The top 3 bits of this field indicate the Maximum NSTS,total
1698  *      (a beamformee capability.)
1699  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1700  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1701  *      STA can transmit. Rate expressed in units of 1 Mbps.
1702  *      If this field is 0 this value should not be used to
1703  *      consider the highest TX data rate supported.
1704  *      The top 2 bits of this field are reserved, the
1705  *      3rd bit from the top indiciates VHT Extended NSS BW
1706  *      Capability.
1707  */
1708 struct ieee80211_vht_mcs_info {
1709         __le16 rx_mcs_map;
1710         __le16 rx_highest;
1711         __le16 tx_mcs_map;
1712         __le16 tx_highest;
1713 } __packed;
1714
1715 /* for rx_highest */
1716 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1717 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1718
1719 /* for tx_highest */
1720 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1721
1722 /**
1723  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1724  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1725  *      number of streams
1726  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1727  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1728  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1729  *
1730  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1731  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1732  * both split into 8 subfields by number of streams. These values indicate
1733  * which MCSes are supported for the number of streams the value appears
1734  * for.
1735  */
1736 enum ieee80211_vht_mcs_support {
1737         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1738         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1739         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1740         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1741 };
1742
1743 /**
1744  * struct ieee80211_vht_cap - VHT capabilities
1745  *
1746  * This structure is the "VHT capabilities element" as
1747  * described in 802.11ac D3.0 8.4.2.160
1748  * @vht_cap_info: VHT capability info
1749  * @supp_mcs: VHT MCS supported rates
1750  */
1751 struct ieee80211_vht_cap {
1752         __le32 vht_cap_info;
1753         struct ieee80211_vht_mcs_info supp_mcs;
1754 } __packed;
1755
1756 /**
1757  * enum ieee80211_vht_chanwidth - VHT channel width
1758  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1759  *      determine the channel width (20 or 40 MHz)
1760  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1761  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1762  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1763  */
1764 enum ieee80211_vht_chanwidth {
1765         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1766         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1767         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1768         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1769 };
1770
1771 /**
1772  * struct ieee80211_vht_operation - VHT operation IE
1773  *
1774  * This structure is the "VHT operation element" as
1775  * described in 802.11ac D3.0 8.4.2.161
1776  * @chan_width: Operating channel width
1777  * @center_freq_seg0_idx: center freq segment 0 index
1778  * @center_freq_seg1_idx: center freq segment 1 index
1779  * @basic_mcs_set: VHT Basic MCS rate set
1780  */
1781 struct ieee80211_vht_operation {
1782         u8 chan_width;
1783         u8 center_freq_seg0_idx;
1784         u8 center_freq_seg1_idx;
1785         __le16 basic_mcs_set;
1786 } __packed;
1787
1788 /**
1789  * struct ieee80211_he_cap_elem - HE capabilities element
1790  *
1791  * This structure is the "HE capabilities element" fixed fields as
1792  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1793  */
1794 struct ieee80211_he_cap_elem {
1795         u8 mac_cap_info[6];
1796         u8 phy_cap_info[11];
1797 } __packed;
1798
1799 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1800
1801 /**
1802  * enum ieee80211_he_mcs_support - HE MCS support definitions
1803  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1804  *      number of streams
1805  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1806  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1807  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1808  *
1809  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1810  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1811  * both split into 8 subfields by number of streams. These values indicate
1812  * which MCSes are supported for the number of streams the value appears
1813  * for.
1814  */
1815 enum ieee80211_he_mcs_support {
1816         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1817         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1818         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1819         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1820 };
1821
1822 /**
1823  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1824  *
1825  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1826  * described in P802.11ax_D2.0 section 9.4.2.237.4
1827  *
1828  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1829  *     widths less than 80MHz.
1830  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1831  *     widths less than 80MHz.
1832  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1833  *     width 160MHz.
1834  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1835  *     width 160MHz.
1836  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1837  *     channel width 80p80MHz.
1838  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1839  *     channel width 80p80MHz.
1840  */
1841 struct ieee80211_he_mcs_nss_supp {
1842         __le16 rx_mcs_80;
1843         __le16 tx_mcs_80;
1844         __le16 rx_mcs_160;
1845         __le16 tx_mcs_160;
1846         __le16 rx_mcs_80p80;
1847         __le16 tx_mcs_80p80;
1848 } __packed;
1849
1850 /**
1851  * struct ieee80211_he_operation - HE capabilities element
1852  *
1853  * This structure is the "HE operation element" fields as
1854  * described in P802.11ax_D4.0 section 9.4.2.243
1855  */
1856 struct ieee80211_he_operation {
1857         __le32 he_oper_params;
1858         __le16 he_mcs_nss_set;
1859         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1860         u8 optional[];
1861 } __packed;
1862
1863 /**
1864  * struct ieee80211_he_spr - HE spatial reuse element
1865  *
1866  * This structure is the "HE spatial reuse element" element as
1867  * described in P802.11ax_D4.0 section 9.4.2.241
1868  */
1869 struct ieee80211_he_spr {
1870         u8 he_sr_control;
1871         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1872         u8 optional[];
1873 } __packed;
1874
1875 /**
1876  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1877  *
1878  * This structure is the "MU AC Parameter Record" fields as
1879  * described in P802.11ax_D4.0 section 9.4.2.245
1880  */
1881 struct ieee80211_he_mu_edca_param_ac_rec {
1882         u8 aifsn;
1883         u8 ecw_min_max;
1884         u8 mu_edca_timer;
1885 } __packed;
1886
1887 /**
1888  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1889  *
1890  * This structure is the "MU EDCA Parameter Set element" fields as
1891  * described in P802.11ax_D4.0 section 9.4.2.245
1892  */
1893 struct ieee80211_mu_edca_param_set {
1894         u8 mu_qos_info;
1895         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1896         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1897         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1898         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1899 } __packed;
1900
1901 /* 802.11ac VHT Capabilities */
1902 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1903 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1904 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1905 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1906 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1907 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1908 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1909 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1910 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1911 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1912 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1913 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1914 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1915 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1916 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1917 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1918 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1919 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1920 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1921 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1922 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1923 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1924                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1925 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1926 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1927                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1928 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1929 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1930 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1931 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1932 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1933 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1934                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1935 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1936 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1937 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1938 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1939 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1940 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1941
1942 /**
1943  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1944  * @cap: VHT capabilities of the peer
1945  * @bw: bandwidth to use
1946  * @mcs: MCS index to use
1947  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1948  *      (rate scaling algorithm) can deal with the new logic
1949  *      (dot11VHTExtendedNSSBWCapable)
1950  * @max_vht_nss: current maximum NSS as advertised by the STA in
1951  *      operating mode notification, can be 0 in which case the
1952  *      capability data will be used to derive this (from MCS support)
1953  *
1954  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1955  * vary for a given BW/MCS. This function parses the data.
1956  *
1957  * Note: This function is exported by cfg80211.
1958  */
1959 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1960                               enum ieee80211_vht_chanwidth bw,
1961                               int mcs, bool ext_nss_bw_capable,
1962                               unsigned int max_vht_nss);
1963
1964 /* 802.11ax HE MAC capabilities */
1965 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1966 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1967 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1968 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1969 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1970 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1971 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1972 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1973 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1974 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1975 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1976 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1977 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1978 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1979 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1980 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1981 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1982
1983 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1984 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1985 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1986 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1987 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1988 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1989 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1990 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1991 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1992 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1993 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1994 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1995 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1996 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1997 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1998 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1999 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2000 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2001
2002 /* Link adaptation is split between byte HE_MAC_CAP1 and
2003  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2004  * in which case the following values apply:
2005  * 0 = No feedback.
2006  * 1 = reserved.
2007  * 2 = Unsolicited feedback.
2008  * 3 = both
2009  */
2010 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2011
2012 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2013 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2014 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2015 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2016 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2017 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2018 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2019 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2020
2021 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2022 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2023
2024 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2025  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2026  * same field in the HE capabilities.
2027  */
2028 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
2029 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
2030 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
2031 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
2032 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2033 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2034 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2035 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2036
2037 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT           3
2038
2039 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2040 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2041 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2042 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
2043 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2044 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2045 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
2046 /* Multi TID agg TX is split between byte #4 and #5
2047  * The value is a combination of B39,B40,B41
2048  */
2049 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2050
2051 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2052 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2053 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
2054 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2055 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2056 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2057 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2058 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2059
2060 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2061 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2062
2063 /* 802.11ax HE PHY capabilities */
2064 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2065 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2066 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2067 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2068 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2069 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2070 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2071
2072 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2073 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2074 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2075 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2076 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2077 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2078 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2079 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2080 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2081 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2082
2083 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2084 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2085 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2086 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2087 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2088 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2089
2090 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2091  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2092  * case it indicates support for Tx.
2093  */
2094 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2095 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2096
2097 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2098 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2099 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2100 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2101 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2102 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2103 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2104 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2105 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2106 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2107 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2108 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2109 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2110 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2111 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
2112 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2113
2114 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2115 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2116
2117 /* Minimal allowed value of Max STS under 80MHz is 3 */
2118 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2119 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2120 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2121 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2122 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2123 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2124
2125 /* Minimal allowed value of Max STS above 80MHz is 3 */
2126 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2127 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2128 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2129 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2130 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2131 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2132
2133 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2134 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2135 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2136 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2137 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2138 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2139 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2140 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2141 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2142
2143 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2144 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2145 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2146 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2147 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2148 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2149 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2150 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2151 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2152
2153 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2154 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2155
2156 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2157 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2158 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
2159 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
2160 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2161 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2162 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2163 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2164
2165 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
2166 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
2167 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2168 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2169 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2170 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2171 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2172 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2173 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2174 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2175 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2176 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2177 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2178
2179 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2180 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2181 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2182 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2183 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2184 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2185 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2186 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2187 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2188 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2189 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2190
2191 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2192 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2193 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2194 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2195 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2196 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2197 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
2198 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
2199 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
2200 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
2201 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
2202
2203 /* 802.11ax HE TX/RX MCS NSS Support  */
2204 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2205 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2206 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2207 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2208 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2209
2210 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2211 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2212         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2213         HIGHEST_MCS_SUPPORTED_MCS8,
2214         HIGHEST_MCS_SUPPORTED_MCS9,
2215         HIGHEST_MCS_SUPPORTED_MCS10,
2216         HIGHEST_MCS_SUPPORTED_MCS11,
2217 };
2218
2219 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2220 static inline u8
2221 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2222 {
2223         u8 count = 4;
2224
2225         if (he_cap->phy_cap_info[0] &
2226             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2227                 count += 4;
2228
2229         if (he_cap->phy_cap_info[0] &
2230             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2231                 count += 4;
2232
2233         return count;
2234 }
2235
2236 /* 802.11ax HE PPE Thresholds */
2237 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2238 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2239 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2240 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2241         (BIT(5) | BIT(6))
2242 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2243 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2244 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2245
2246 /*
2247  * Calculate 802.11ax HE capabilities IE PPE field size
2248  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2249  */
2250 static inline u8
2251 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2252 {
2253         u8 n;
2254
2255         if ((phy_cap_info[6] &
2256              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2257                 return 0;
2258
2259         n = hweight8(ppe_thres_hdr &
2260                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2261         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2262                    IEEE80211_PPE_THRES_NSS_POS));
2263
2264         /*
2265          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2266          * total size.
2267          */
2268         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2269         n = DIV_ROUND_UP(n, 8);
2270
2271         return n;
2272 }
2273
2274 /* HE Operation defines */
2275 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2276 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2277 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2278 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2279 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2280 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2281 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2282 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2283 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2284 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2285 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2286 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2287
2288 /**
2289  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2290  * @primary: primary channel
2291  * @control: control flags
2292  * @ccfs0: channel center frequency segment 0
2293  * @ccfs1: channel center frequency segment 1
2294  * @minrate: minimum rate (in 1 Mbps units)
2295  */
2296 struct ieee80211_he_6ghz_oper {
2297         u8 primary;
2298 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2299 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2300 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2301 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2302 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2303 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2304         u8 control;
2305         u8 ccfs0;
2306         u8 ccfs1;
2307         u8 minrate;
2308 } __packed;
2309
2310 /*
2311  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2312  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2313  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2314  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2315  *      validated this.
2316  * @return the actual size of the IE data (not including header), or 0 on error
2317  */
2318 static inline u8
2319 ieee80211_he_oper_size(const u8 *he_oper_ie)
2320 {
2321         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2322         u8 oper_len = sizeof(struct ieee80211_he_operation);
2323         u32 he_oper_params;
2324
2325         /* Make sure the input is not NULL */
2326         if (!he_oper_ie)
2327                 return 0;
2328
2329         /* Calc required length */
2330         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2331         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2332                 oper_len += 3;
2333         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2334                 oper_len++;
2335         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2336                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2337
2338         /* Add the first byte (extension ID) to the total length */
2339         oper_len++;
2340
2341         return oper_len;
2342 }
2343
2344 /**
2345  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2346  * @he_oper: HE operation element (must be pre-validated for size)
2347  *      but may be %NULL
2348  *
2349  * Return: a pointer to the 6 GHz operation field, or %NULL
2350  */
2351 static inline const struct ieee80211_he_6ghz_oper *
2352 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2353 {
2354         const u8 *ret = (void *)&he_oper->optional;
2355         u32 he_oper_params;
2356
2357         if (!he_oper)
2358                 return NULL;
2359
2360         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2361
2362         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2363                 return NULL;
2364         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2365                 ret += 3;
2366         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2367                 ret++;
2368
2369         return (void *)ret;
2370 }
2371
2372 /* HE Spatial Reuse defines */
2373 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2374 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2375 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2376 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2377 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2378
2379 /*
2380  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2381  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2382  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2383  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2384  *      this
2385  * @return the actual size of the IE data (not including header), or 0 on error
2386  */
2387 static inline u8
2388 ieee80211_he_spr_size(const u8 *he_spr_ie)
2389 {
2390         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2391         u8 spr_len = sizeof(struct ieee80211_he_spr);
2392         u8 he_spr_params;
2393
2394         /* Make sure the input is not NULL */
2395         if (!he_spr_ie)
2396                 return 0;
2397
2398         /* Calc required length */
2399         he_spr_params = he_spr->he_sr_control;
2400         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2401                 spr_len++;
2402         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2403                 spr_len += 18;
2404
2405         /* Add the first byte (extension ID) to the total length */
2406         spr_len++;
2407
2408         return spr_len;
2409 }
2410
2411 /* S1G Capabilities Information field */
2412 #define IEEE80211_S1G_CAPABILITY_LEN    15
2413
2414 #define S1G_CAP0_S1G_LONG       BIT(0)
2415 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2416 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2417 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2418 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2419 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2420 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2421
2422 #define S1G_SUPP_CH_WIDTH_2     0
2423 #define S1G_SUPP_CH_WIDTH_4     1
2424 #define S1G_SUPP_CH_WIDTH_8     2
2425 #define S1G_SUPP_CH_WIDTH_16    3
2426 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2427                                                     cap[0])) << 1)
2428
2429 #define S1G_CAP1_RX_LDPC        BIT(0)
2430 #define S1G_CAP1_TX_STBC        BIT(1)
2431 #define S1G_CAP1_RX_STBC        BIT(2)
2432 #define S1G_CAP1_SU_BFER        BIT(3)
2433 #define S1G_CAP1_SU_BFEE        BIT(4)
2434 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2435
2436 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2437 #define S1G_CAP2_MU_BFER                BIT(3)
2438 #define S1G_CAP2_MU_BFEE                BIT(4)
2439 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2440 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2441
2442 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2443 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2444 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2445 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2446 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2447
2448 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2449 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2450 #define S1G_CAP4_BAT            BIT(2)
2451 #define S1G_CAP4_TIME_ADE       BIT(3)
2452 #define S1G_CAP4_NON_TIM        BIT(4)
2453 #define S1G_CAP4_GROUP_AID      BIT(5)
2454 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2455
2456 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2457 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2458 #define S1G_CAP5_AMSDU                  BIT(2)
2459 #define S1G_CAP5_AMPDU                  BIT(3)
2460 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2461 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2462 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2463
2464 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2465 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2466 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2467 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2468 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2469 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2470 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2471
2472 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2473 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2474 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2475 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2476 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2477 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2478 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2479 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2480
2481 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2482 #define S1G_CAP8_BDT            BIT(1)
2483 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2484 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2485 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2486 #define S1G_CAP8_PV1_FRAME      BIT(7)
2487
2488 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2489
2490 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2491 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2492
2493
2494 #define LISTEN_INT_USF  GENMASK(15, 14)
2495 #define LISTEN_INT_UI   GENMASK(13, 0)
2496
2497 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
2498 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
2499
2500 /* Authentication algorithms */
2501 #define WLAN_AUTH_OPEN 0
2502 #define WLAN_AUTH_SHARED_KEY 1
2503 #define WLAN_AUTH_FT 2
2504 #define WLAN_AUTH_SAE 3
2505 #define WLAN_AUTH_FILS_SK 4
2506 #define WLAN_AUTH_FILS_SK_PFS 5
2507 #define WLAN_AUTH_FILS_PK 6
2508 #define WLAN_AUTH_LEAP 128
2509
2510 #define WLAN_AUTH_CHALLENGE_LEN 128
2511
2512 #define WLAN_CAPABILITY_ESS             (1<<0)
2513 #define WLAN_CAPABILITY_IBSS            (1<<1)
2514
2515 /*
2516  * A mesh STA sets the ESS and IBSS capability bits to zero.
2517  * however, this holds true for p2p probe responses (in the p2p_find
2518  * phase) as well.
2519  */
2520 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2521         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2522
2523 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2524 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2525 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2526 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2527 #define WLAN_CAPABILITY_PBCC            (1<<6)
2528 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2529
2530 /* 802.11h */
2531 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2532 #define WLAN_CAPABILITY_QOS             (1<<9)
2533 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2534 #define WLAN_CAPABILITY_APSD            (1<<11)
2535 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2536 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2537 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2538 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2539
2540 /* DMG (60gHz) 802.11ad */
2541 /* type - bits 0..1 */
2542 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2543 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2544 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2545 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2546
2547 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2548 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2549 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2550 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2551
2552 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2553 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2554
2555 /* measurement */
2556 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2557 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2558 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2559
2560 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2561 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2562 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2563 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2564 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2565
2566 /* 802.11g ERP information element */
2567 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2568 #define WLAN_ERP_USE_PROTECTION (1<<1)
2569 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2570
2571 /* WLAN_ERP_BARKER_PREAMBLE values */
2572 enum {
2573         WLAN_ERP_PREAMBLE_SHORT = 0,
2574         WLAN_ERP_PREAMBLE_LONG = 1,
2575 };
2576
2577 /* Band ID, 802.11ad #8.4.1.45 */
2578 enum {
2579         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2580         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2581         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2582         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2583         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2584         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2585 };
2586
2587 /* Status codes */
2588 enum ieee80211_statuscode {
2589         WLAN_STATUS_SUCCESS = 0,
2590         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2591         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2592         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2593         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2594         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2595         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2596         WLAN_STATUS_CHALLENGE_FAIL = 15,
2597         WLAN_STATUS_AUTH_TIMEOUT = 16,
2598         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2599         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2600         /* 802.11b */
2601         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2602         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2603         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2604         /* 802.11h */
2605         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2606         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2607         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2608         /* 802.11g */
2609         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2610         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2611         /* 802.11w */
2612         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2613         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2614         /* 802.11i */
2615         WLAN_STATUS_INVALID_IE = 40,
2616         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2617         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2618         WLAN_STATUS_INVALID_AKMP = 43,
2619         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2620         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2621         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2622         /* 802.11e */
2623         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2624         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2625         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2626         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2627         WLAN_STATUS_REQUEST_DECLINED = 37,
2628         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2629         WLAN_STATUS_CHANGE_TSPEC = 39,
2630         WLAN_STATUS_WAIT_TS_DELAY = 47,
2631         WLAN_STATUS_NO_DIRECT_LINK = 48,
2632         WLAN_STATUS_STA_NOT_PRESENT = 49,
2633         WLAN_STATUS_STA_NOT_QSTA = 50,
2634         /* 802.11s */
2635         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2636         WLAN_STATUS_FCG_NOT_SUPP = 78,
2637         WLAN_STATUS_STA_NO_TBTT = 78,
2638         /* 802.11ad */
2639         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2640         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2641         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2642         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2643         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2644         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2645         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2646         WLAN_STATUS_REJECT_DSE_BAND = 96,
2647         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2648         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2649         /* 802.11ai */
2650         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2651         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2652         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
2653         WLAN_STATUS_SAE_PK = 127,
2654 };
2655
2656
2657 /* Reason codes */
2658 enum ieee80211_reasoncode {
2659         WLAN_REASON_UNSPECIFIED = 1,
2660         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2661         WLAN_REASON_DEAUTH_LEAVING = 3,
2662         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2663         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2664         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2665         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2666         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2667         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2668         /* 802.11h */
2669         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2670         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2671         /* 802.11i */
2672         WLAN_REASON_INVALID_IE = 13,
2673         WLAN_REASON_MIC_FAILURE = 14,
2674         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2675         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2676         WLAN_REASON_IE_DIFFERENT = 17,
2677         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2678         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2679         WLAN_REASON_INVALID_AKMP = 20,
2680         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2681         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2682         WLAN_REASON_IEEE8021X_FAILED = 23,
2683         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2684         /* TDLS (802.11z) */
2685         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2686         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2687         /* 802.11e */
2688         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2689         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2690         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2691         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2692         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2693         WLAN_REASON_QSTA_NOT_USE = 37,
2694         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2695         WLAN_REASON_QSTA_TIMEOUT = 39,
2696         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2697         /* 802.11s */
2698         WLAN_REASON_MESH_PEER_CANCELED = 52,
2699         WLAN_REASON_MESH_MAX_PEERS = 53,
2700         WLAN_REASON_MESH_CONFIG = 54,
2701         WLAN_REASON_MESH_CLOSE = 55,
2702         WLAN_REASON_MESH_MAX_RETRIES = 56,
2703         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2704         WLAN_REASON_MESH_INVALID_GTK = 58,
2705         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2706         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2707         WLAN_REASON_MESH_PATH_ERROR = 61,
2708         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2709         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2710         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2711         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2712         WLAN_REASON_MESH_CHAN = 66,
2713 };
2714
2715
2716 /* Information Element IDs */
2717 enum ieee80211_eid {
2718         WLAN_EID_SSID = 0,
2719         WLAN_EID_SUPP_RATES = 1,
2720         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2721         WLAN_EID_DS_PARAMS = 3,
2722         WLAN_EID_CF_PARAMS = 4,
2723         WLAN_EID_TIM = 5,
2724         WLAN_EID_IBSS_PARAMS = 6,
2725         WLAN_EID_COUNTRY = 7,
2726         /* 8, 9 reserved */
2727         WLAN_EID_REQUEST = 10,
2728         WLAN_EID_QBSS_LOAD = 11,
2729         WLAN_EID_EDCA_PARAM_SET = 12,
2730         WLAN_EID_TSPEC = 13,
2731         WLAN_EID_TCLAS = 14,
2732         WLAN_EID_SCHEDULE = 15,
2733         WLAN_EID_CHALLENGE = 16,
2734         /* 17-31 reserved for challenge text extension */
2735         WLAN_EID_PWR_CONSTRAINT = 32,
2736         WLAN_EID_PWR_CAPABILITY = 33,
2737         WLAN_EID_TPC_REQUEST = 34,
2738         WLAN_EID_TPC_REPORT = 35,
2739         WLAN_EID_SUPPORTED_CHANNELS = 36,
2740         WLAN_EID_CHANNEL_SWITCH = 37,
2741         WLAN_EID_MEASURE_REQUEST = 38,
2742         WLAN_EID_MEASURE_REPORT = 39,
2743         WLAN_EID_QUIET = 40,
2744         WLAN_EID_IBSS_DFS = 41,
2745         WLAN_EID_ERP_INFO = 42,
2746         WLAN_EID_TS_DELAY = 43,
2747         WLAN_EID_TCLAS_PROCESSING = 44,
2748         WLAN_EID_HT_CAPABILITY = 45,
2749         WLAN_EID_QOS_CAPA = 46,
2750         /* 47 reserved for Broadcom */
2751         WLAN_EID_RSN = 48,
2752         WLAN_EID_802_15_COEX = 49,
2753         WLAN_EID_EXT_SUPP_RATES = 50,
2754         WLAN_EID_AP_CHAN_REPORT = 51,
2755         WLAN_EID_NEIGHBOR_REPORT = 52,
2756         WLAN_EID_RCPI = 53,
2757         WLAN_EID_MOBILITY_DOMAIN = 54,
2758         WLAN_EID_FAST_BSS_TRANSITION = 55,
2759         WLAN_EID_TIMEOUT_INTERVAL = 56,
2760         WLAN_EID_RIC_DATA = 57,
2761         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2762         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2763         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2764         WLAN_EID_HT_OPERATION = 61,
2765         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2766         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2767         WLAN_EID_ANTENNA_INFO = 64,
2768         WLAN_EID_RSNI = 65,
2769         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2770         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2771         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2772         WLAN_EID_TIME_ADVERTISEMENT = 69,
2773         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2774         WLAN_EID_MULTIPLE_BSSID = 71,
2775         WLAN_EID_BSS_COEX_2040 = 72,
2776         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2777         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2778         WLAN_EID_RIC_DESCRIPTOR = 75,
2779         WLAN_EID_MMIE = 76,
2780         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2781         WLAN_EID_EVENT_REQUEST = 78,
2782         WLAN_EID_EVENT_REPORT = 79,
2783         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2784         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2785         WLAN_EID_LOCATION_PARAMS = 82,
2786         WLAN_EID_NON_TX_BSSID_CAP =  83,
2787         WLAN_EID_SSID_LIST = 84,
2788         WLAN_EID_MULTI_BSSID_IDX = 85,
2789         WLAN_EID_FMS_DESCRIPTOR = 86,
2790         WLAN_EID_FMS_REQUEST = 87,
2791         WLAN_EID_FMS_RESPONSE = 88,
2792         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2793         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2794         WLAN_EID_TSF_REQUEST = 91,
2795         WLAN_EID_TSF_RESPOSNE = 92,
2796         WLAN_EID_WNM_SLEEP_MODE = 93,
2797         WLAN_EID_TIM_BCAST_REQ = 94,
2798         WLAN_EID_TIM_BCAST_RESP = 95,
2799         WLAN_EID_COLL_IF_REPORT = 96,
2800         WLAN_EID_CHANNEL_USAGE = 97,
2801         WLAN_EID_TIME_ZONE = 98,
2802         WLAN_EID_DMS_REQUEST = 99,
2803         WLAN_EID_DMS_RESPONSE = 100,
2804         WLAN_EID_LINK_ID = 101,
2805         WLAN_EID_WAKEUP_SCHEDUL = 102,
2806         /* 103 reserved */
2807         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2808         WLAN_EID_PTI_CONTROL = 105,
2809         WLAN_EID_PU_BUFFER_STATUS = 106,
2810         WLAN_EID_INTERWORKING = 107,
2811         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2812         WLAN_EID_EXPEDITED_BW_REQ = 109,
2813         WLAN_EID_QOS_MAP_SET = 110,
2814         WLAN_EID_ROAMING_CONSORTIUM = 111,
2815         WLAN_EID_EMERGENCY_ALERT = 112,
2816         WLAN_EID_MESH_CONFIG = 113,
2817         WLAN_EID_MESH_ID = 114,
2818         WLAN_EID_LINK_METRIC_REPORT = 115,
2819         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2820         WLAN_EID_PEER_MGMT = 117,
2821         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2822         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2823         WLAN_EID_BEACON_TIMING = 120,
2824         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2825         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2826         WLAN_EID_MCCAOP_ADVERT = 123,
2827         WLAN_EID_MCCAOP_TEARDOWN = 124,
2828         WLAN_EID_GANN = 125,
2829         WLAN_EID_RANN = 126,
2830         WLAN_EID_EXT_CAPABILITY = 127,
2831         /* 128, 129 reserved for Agere */
2832         WLAN_EID_PREQ = 130,
2833         WLAN_EID_PREP = 131,
2834         WLAN_EID_PERR = 132,
2835         /* 133-136 reserved for Cisco */
2836         WLAN_EID_PXU = 137,
2837         WLAN_EID_PXUC = 138,
2838         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2839         WLAN_EID_MIC = 140,
2840         WLAN_EID_DESTINATION_URI = 141,
2841         WLAN_EID_UAPSD_COEX = 142,
2842         WLAN_EID_WAKEUP_SCHEDULE = 143,
2843         WLAN_EID_EXT_SCHEDULE = 144,
2844         WLAN_EID_STA_AVAILABILITY = 145,
2845         WLAN_EID_DMG_TSPEC = 146,
2846         WLAN_EID_DMG_AT = 147,
2847         WLAN_EID_DMG_CAP = 148,
2848         /* 149 reserved for Cisco */
2849         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2850         WLAN_EID_DMG_OPERATION = 151,
2851         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2852         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2853         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2854         /* 155-156 reserved for Cisco */
2855         WLAN_EID_AWAKE_WINDOW = 157,
2856         WLAN_EID_MULTI_BAND = 158,
2857         WLAN_EID_ADDBA_EXT = 159,
2858         WLAN_EID_NEXT_PCP_LIST = 160,
2859         WLAN_EID_PCP_HANDOVER = 161,
2860         WLAN_EID_DMG_LINK_MARGIN = 162,
2861         WLAN_EID_SWITCHING_STREAM = 163,
2862         WLAN_EID_SESSION_TRANSITION = 164,
2863         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2864         WLAN_EID_CLUSTER_REPORT = 166,
2865         WLAN_EID_RELAY_CAP = 167,
2866         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2867         WLAN_EID_BEAM_LINK_MAINT = 169,
2868         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2869         WLAN_EID_U_PID = 171,
2870         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2871         /* 173 reserved for Symbol */
2872         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2873         WLAN_EID_QUIET_PERIOD_REQ = 175,
2874         /* 176 reserved for Symbol */
2875         WLAN_EID_QUIET_PERIOD_RESP = 177,
2876         /* 178-179 reserved for Symbol */
2877         /* 180 reserved for ISO/IEC 20011 */
2878         WLAN_EID_EPAC_POLICY = 182,
2879         WLAN_EID_CLISTER_TIME_OFF = 183,
2880         WLAN_EID_INTER_AC_PRIO = 184,
2881         WLAN_EID_SCS_DESCRIPTOR = 185,
2882         WLAN_EID_QLOAD_REPORT = 186,
2883         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2884         WLAN_EID_HL_STREAM_ID = 188,
2885         WLAN_EID_GCR_GROUP_ADDR = 189,
2886         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2887         WLAN_EID_VHT_CAPABILITY = 191,
2888         WLAN_EID_VHT_OPERATION = 192,
2889         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2890         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2891         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2892         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2893         WLAN_EID_AID = 197,
2894         WLAN_EID_QUIET_CHANNEL = 198,
2895         WLAN_EID_OPMODE_NOTIF = 199,
2896
2897         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
2898
2899         WLAN_EID_AID_REQUEST = 210,
2900         WLAN_EID_AID_RESPONSE = 211,
2901         WLAN_EID_S1G_BCN_COMPAT = 213,
2902         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2903         WLAN_EID_S1G_CAPABILITIES = 217,
2904         WLAN_EID_VENDOR_SPECIFIC = 221,
2905         WLAN_EID_QOS_PARAMETER = 222,
2906         WLAN_EID_S1G_OPERATION = 232,
2907         WLAN_EID_CAG_NUMBER = 237,
2908         WLAN_EID_AP_CSN = 239,
2909         WLAN_EID_FILS_INDICATION = 240,
2910         WLAN_EID_DILS = 241,
2911         WLAN_EID_FRAGMENT = 242,
2912         WLAN_EID_RSNX = 244,
2913         WLAN_EID_EXTENSION = 255
2914 };
2915
2916 /* Element ID Extensions for Element ID 255 */
2917 enum ieee80211_eid_ext {
2918         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2919         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2920         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2921         WLAN_EID_EXT_FILS_SESSION = 4,
2922         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2923         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2924         WLAN_EID_EXT_KEY_DELIVERY = 7,
2925         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2926         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2927         WLAN_EID_EXT_FILS_NONCE = 13,
2928         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2929         WLAN_EID_EXT_HE_CAPABILITY = 35,
2930         WLAN_EID_EXT_HE_OPERATION = 36,
2931         WLAN_EID_EXT_UORA = 37,
2932         WLAN_EID_EXT_HE_MU_EDCA = 38,
2933         WLAN_EID_EXT_HE_SPR = 39,
2934         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
2935         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
2936         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
2937         WLAN_EID_EXT_ESS_REPORT = 45,
2938         WLAN_EID_EXT_OPS = 46,
2939         WLAN_EID_EXT_HE_BSS_LOAD = 47,
2940         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2941         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2942         WLAN_EID_EXT_NON_INHERITANCE = 56,
2943         WLAN_EID_EXT_KNOWN_BSSID = 57,
2944         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
2945         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
2946         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
2947 };
2948
2949 /* Action category code */
2950 enum ieee80211_category {
2951         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2952         WLAN_CATEGORY_QOS = 1,
2953         WLAN_CATEGORY_DLS = 2,
2954         WLAN_CATEGORY_BACK = 3,
2955         WLAN_CATEGORY_PUBLIC = 4,
2956         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2957         WLAN_CATEGORY_HT = 7,
2958         WLAN_CATEGORY_SA_QUERY = 8,
2959         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2960         WLAN_CATEGORY_WNM = 10,
2961         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2962         WLAN_CATEGORY_TDLS = 12,
2963         WLAN_CATEGORY_MESH_ACTION = 13,
2964         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2965         WLAN_CATEGORY_SELF_PROTECTED = 15,
2966         WLAN_CATEGORY_DMG = 16,
2967         WLAN_CATEGORY_WMM = 17,
2968         WLAN_CATEGORY_FST = 18,
2969         WLAN_CATEGORY_UNPROT_DMG = 20,
2970         WLAN_CATEGORY_VHT = 21,
2971         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2972         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2973 };
2974
2975 /* SPECTRUM_MGMT action code */
2976 enum ieee80211_spectrum_mgmt_actioncode {
2977         WLAN_ACTION_SPCT_MSR_REQ = 0,
2978         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2979         WLAN_ACTION_SPCT_TPC_REQ = 2,
2980         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2981         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2982 };
2983
2984 /* HT action codes */
2985 enum ieee80211_ht_actioncode {
2986         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2987         WLAN_HT_ACTION_SMPS = 1,
2988         WLAN_HT_ACTION_PSMP = 2,
2989         WLAN_HT_ACTION_PCO_PHASE = 3,
2990         WLAN_HT_ACTION_CSI = 4,
2991         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2992         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2993         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2994 };
2995
2996 /* VHT action codes */
2997 enum ieee80211_vht_actioncode {
2998         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2999         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3000         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3001 };
3002
3003 /* Self Protected Action codes */
3004 enum ieee80211_self_protected_actioncode {
3005         WLAN_SP_RESERVED = 0,
3006         WLAN_SP_MESH_PEERING_OPEN = 1,
3007         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3008         WLAN_SP_MESH_PEERING_CLOSE = 3,
3009         WLAN_SP_MGK_INFORM = 4,
3010         WLAN_SP_MGK_ACK = 5,
3011 };
3012
3013 /* Mesh action codes */
3014 enum ieee80211_mesh_actioncode {
3015         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3016         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3017         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3018         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3019         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3020         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3021         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3022         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3023         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3024         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3025         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3026 };
3027
3028 /* Security key length */
3029 enum ieee80211_key_len {
3030         WLAN_KEY_LEN_WEP40 = 5,
3031         WLAN_KEY_LEN_WEP104 = 13,
3032         WLAN_KEY_LEN_CCMP = 16,
3033         WLAN_KEY_LEN_CCMP_256 = 32,
3034         WLAN_KEY_LEN_TKIP = 32,
3035         WLAN_KEY_LEN_AES_CMAC = 16,
3036         WLAN_KEY_LEN_SMS4 = 32,
3037         WLAN_KEY_LEN_GCMP = 16,
3038         WLAN_KEY_LEN_GCMP_256 = 32,
3039         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3040         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3041         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3042 };
3043
3044 #define IEEE80211_WEP_IV_LEN            4
3045 #define IEEE80211_WEP_ICV_LEN           4
3046 #define IEEE80211_CCMP_HDR_LEN          8
3047 #define IEEE80211_CCMP_MIC_LEN          8
3048 #define IEEE80211_CCMP_PN_LEN           6
3049 #define IEEE80211_CCMP_256_HDR_LEN      8
3050 #define IEEE80211_CCMP_256_MIC_LEN      16
3051 #define IEEE80211_CCMP_256_PN_LEN       6
3052 #define IEEE80211_TKIP_IV_LEN           8
3053 #define IEEE80211_TKIP_ICV_LEN          4
3054 #define IEEE80211_CMAC_PN_LEN           6
3055 #define IEEE80211_GMAC_PN_LEN           6
3056 #define IEEE80211_GCMP_HDR_LEN          8
3057 #define IEEE80211_GCMP_MIC_LEN          16
3058 #define IEEE80211_GCMP_PN_LEN           6
3059
3060 #define FILS_NONCE_LEN                  16
3061 #define FILS_MAX_KEK_LEN                64
3062
3063 #define FILS_ERP_MAX_USERNAME_LEN       16
3064 #define FILS_ERP_MAX_REALM_LEN          253
3065 #define FILS_ERP_MAX_RRK_LEN            64
3066
3067 #define PMK_MAX_LEN                     64
3068 #define SAE_PASSWORD_MAX_LEN            128
3069
3070 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3071 enum ieee80211_pub_actioncode {
3072         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3073         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3074         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3075         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3076         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3077         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3078         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3079         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3080         WLAN_PUB_ACTION_DSE_PC = 8,
3081         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3082         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3083         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3084         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3085         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3086         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3087         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3088         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3089         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3090         WLAN_PUB_ACTION_QMF_POLICY = 18,
3091         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3092         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3093         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3094         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3095         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3096         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3097         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3098         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3099         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3100         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3101         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3102         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3103         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3104         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3105         WLAN_PUB_ACTION_FTM = 33,
3106         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3107 };
3108
3109 /* TDLS action codes */
3110 enum ieee80211_tdls_actioncode {
3111         WLAN_TDLS_SETUP_REQUEST = 0,
3112         WLAN_TDLS_SETUP_RESPONSE = 1,
3113         WLAN_TDLS_SETUP_CONFIRM = 2,
3114         WLAN_TDLS_TEARDOWN = 3,
3115         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3116         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3117         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3118         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3119         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3120         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3121         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3122 };
3123
3124 /* Extended Channel Switching capability to be set in the 1st byte of
3125  * the @WLAN_EID_EXT_CAPABILITY information element
3126  */
3127 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3128
3129 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3130  * @WLAN_EID_EXT_CAPABILITY information element
3131  */
3132 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3133
3134 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3135 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3136 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3137 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3138
3139 /* Interworking capabilities are set in 7th bit of 4th byte of the
3140  * @WLAN_EID_EXT_CAPABILITY information element
3141  */
3142 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3143
3144 /*
3145  * TDLS capabililites to be enabled in the 5th byte of the
3146  * @WLAN_EID_EXT_CAPABILITY information element
3147  */
3148 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3149 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3150 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3151
3152 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3153 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3154
3155 /* Defines the maximal number of MSDUs in an A-MSDU. */
3156 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3157 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3158
3159 /*
3160  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3161  * information element
3162  */
3163 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3164
3165 /* Defines support for TWT Requester and TWT Responder */
3166 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3167 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3168
3169 /*
3170  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3171  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3172  * 26-tone RU UL OFDMA transmissions as radar pulses).
3173  */
3174 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3175
3176 /* Defines support for enhanced multi-bssid advertisement*/
3177 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3178
3179 /* TDLS specific payload type in the LLC/SNAP header */
3180 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3181
3182 /* BSS Coex IE information field bits */
3183 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3184
3185 /**
3186  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3187  *
3188  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3189  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3190  *      that will be specified in a vendor specific information element
3191  */
3192 enum ieee80211_mesh_sync_method {
3193         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3194         IEEE80211_SYNC_METHOD_VENDOR = 255,
3195 };
3196
3197 /**
3198  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3199  *
3200  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3201  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3202  *      be specified in a vendor specific information element
3203  */
3204 enum ieee80211_mesh_path_protocol {
3205         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3206         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3207 };
3208
3209 /**
3210  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3211  *
3212  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3213  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3214  *      specified in a vendor specific information element
3215  */
3216 enum ieee80211_mesh_path_metric {
3217         IEEE80211_PATH_METRIC_AIRTIME = 1,
3218         IEEE80211_PATH_METRIC_VENDOR = 255,
3219 };
3220
3221 /**
3222  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3223  *
3224  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3225  *
3226  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3227  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3228  *      this value
3229  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3230  *      the proactive PREQ with proactive PREP subfield set to 0
3231  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3232  *      supports the proactive PREQ with proactive PREP subfield set to 1
3233  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3234  *      the proactive RANN
3235  */
3236 enum ieee80211_root_mode_identifier {
3237         IEEE80211_ROOTMODE_NO_ROOT = 0,
3238         IEEE80211_ROOTMODE_ROOT = 1,
3239         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3240         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3241         IEEE80211_PROACTIVE_RANN = 4,
3242 };
3243
3244 /*
3245  * IEEE 802.11-2007 7.3.2.9 Country information element
3246  *
3247  * Minimum length is 8 octets, ie len must be evenly
3248  * divisible by 2
3249  */
3250
3251 /* Although the spec says 8 I'm seeing 6 in practice */
3252 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3253
3254 /* The Country String field of the element shall be 3 octets in length */
3255 #define IEEE80211_COUNTRY_STRING_LEN    3
3256
3257 /*
3258  * For regulatory extension stuff see IEEE 802.11-2007
3259  * Annex I (page 1141) and Annex J (page 1147). Also
3260  * review 7.3.2.9.
3261  *
3262  * When dot11RegulatoryClassesRequired is true and the
3263  * first_channel/reg_extension_id is >= 201 then the IE
3264  * compromises of the 'ext' struct represented below:
3265  *
3266  *  - Regulatory extension ID - when generating IE this just needs
3267  *    to be monotonically increasing for each triplet passed in
3268  *    the IE
3269  *  - Regulatory class - index into set of rules
3270  *  - Coverage class - index into air propagation time (Table 7-27),
3271  *    in microseconds, you can compute the air propagation time from
3272  *    the index by multiplying by 3, so index 10 yields a propagation
3273  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3274  *    yet. A value of 0 inicates air propagation of <= 1 us.
3275  *
3276  *  See also Table I.2 for Emission limit sets and table
3277  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3278  *  a reg_class to an emission limit set and behavior limit set.
3279  */
3280 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3281
3282 /*
3283  *  Channels numbers in the IE must be monotonically increasing
3284  *  if dot11RegulatoryClassesRequired is not true.
3285  *
3286  *  If dot11RegulatoryClassesRequired is true consecutive
3287  *  subband triplets following a regulatory triplet shall
3288  *  have monotonically increasing first_channel number fields.
3289  *
3290  *  Channel numbers shall not overlap.
3291  *
3292  *  Note that max_power is signed.
3293  */
3294 struct ieee80211_country_ie_triplet {
3295         union {
3296                 struct {
3297                         u8 first_channel;
3298                         u8 num_channels;
3299                         s8 max_power;
3300                 } __packed chans;
3301                 struct {
3302                         u8 reg_extension_id;
3303                         u8 reg_class;
3304                         u8 coverage_class;
3305                 } __packed ext;
3306         };
3307 } __packed;
3308
3309 enum ieee80211_timeout_interval_type {
3310         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3311         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3312         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3313 };
3314
3315 /**
3316  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3317  * @type: type, see &enum ieee80211_timeout_interval_type
3318  * @value: timeout interval value
3319  */
3320 struct ieee80211_timeout_interval_ie {
3321         u8 type;
3322         __le32 value;
3323 } __packed;
3324
3325 /**
3326  * enum ieee80211_idle_options - BSS idle options
3327  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3328  *      protected frame to the AP to reset the idle timer at the AP for
3329  *      the station.
3330  */
3331 enum ieee80211_idle_options {
3332         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3333 };
3334
3335 /**
3336  * struct ieee80211_bss_max_idle_period_ie
3337  *
3338  * This structure refers to "BSS Max idle period element"
3339  *
3340  * @max_idle_period: indicates the time period during which a station can
3341  *      refrain from transmitting frames to its associated AP without being
3342  *      disassociated. In units of 1000 TUs.
3343  * @idle_options: indicates the options associated with the BSS idle capability
3344  *      as specified in &enum ieee80211_idle_options.
3345  */
3346 struct ieee80211_bss_max_idle_period_ie {
3347         __le16 max_idle_period;
3348         u8 idle_options;
3349 } __packed;
3350
3351 /* BACK action code */
3352 enum ieee80211_back_actioncode {
3353         WLAN_ACTION_ADDBA_REQ = 0,
3354         WLAN_ACTION_ADDBA_RESP = 1,
3355         WLAN_ACTION_DELBA = 2,
3356 };
3357
3358 /* BACK (block-ack) parties */
3359 enum ieee80211_back_parties {
3360         WLAN_BACK_RECIPIENT = 0,
3361         WLAN_BACK_INITIATOR = 1,
3362 };
3363
3364 /* SA Query action */
3365 enum ieee80211_sa_query_action {
3366         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3367         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3368 };
3369
3370 /**
3371  * struct ieee80211_bssid_index
3372  *
3373  * This structure refers to "Multiple BSSID-index element"
3374  *
3375  * @bssid_index: BSSID index
3376  * @dtim_period: optional, overrides transmitted BSS dtim period
3377  * @dtim_count: optional, overrides transmitted BSS dtim count
3378  */
3379 struct ieee80211_bssid_index {
3380         u8 bssid_index;
3381         u8 dtim_period;
3382         u8 dtim_count;
3383 };
3384
3385 /**
3386  * struct ieee80211_multiple_bssid_configuration
3387  *
3388  * This structure refers to "Multiple BSSID Configuration element"
3389  *
3390  * @bssid_count: total number of active BSSIDs in the set
3391  * @profile_periodicity: the least number of beacon frames need to be received
3392  *      in order to discover all the nontransmitted BSSIDs in the set.
3393  */
3394 struct ieee80211_multiple_bssid_configuration {
3395         u8 bssid_count;
3396         u8 profile_periodicity;
3397 };
3398
3399 #define SUITE(oui, id) (((oui) << 8) | (id))
3400
3401 /* cipher suite selectors */
3402 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3403 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3404 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3405 /* reserved:                            SUITE(0x000FAC, 3) */
3406 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3407 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3408 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3409 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3410 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3411 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3412 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3413 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3414 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3415
3416 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3417
3418 /* AKM suite selectors */
3419 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3420 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3421 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3422 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3423 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3424 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3425 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3426 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3427 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3428 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3429 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3430 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3431 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3432 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3433 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3434 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3435 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3436 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3437 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3438 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3439
3440 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
3441
3442 #define WLAN_MAX_KEY_LEN                32
3443
3444 #define WLAN_PMK_NAME_LEN               16
3445 #define WLAN_PMKID_LEN                  16
3446 #define WLAN_PMK_LEN_EAP_LEAP           16
3447 #define WLAN_PMK_LEN                    32
3448 #define WLAN_PMK_LEN_SUITE_B_192        48
3449
3450 #define WLAN_OUI_WFA                    0x506f9a
3451 #define WLAN_OUI_TYPE_WFA_P2P           9
3452 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
3453 #define WLAN_OUI_MICROSOFT              0x0050f2
3454 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3455 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3456 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3457 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3458
3459 /*
3460  * WMM/802.11e Tspec Element
3461  */
3462 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3463 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3464
3465 enum ieee80211_tspec_status_code {
3466         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3467         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3468 };
3469
3470 struct ieee80211_tspec_ie {
3471         u8 element_id;
3472         u8 len;
3473         u8 oui[3];
3474         u8 oui_type;
3475         u8 oui_subtype;
3476         u8 version;
3477         __le16 tsinfo;
3478         u8 tsinfo_resvd;
3479         __le16 nominal_msdu;
3480         __le16 max_msdu;
3481         __le32 min_service_int;
3482         __le32 max_service_int;
3483         __le32 inactivity_int;
3484         __le32 suspension_int;
3485         __le32 service_start_time;
3486         __le32 min_data_rate;
3487         __le32 mean_data_rate;
3488         __le32 peak_data_rate;
3489         __le32 max_burst_size;
3490         __le32 delay_bound;
3491         __le32 min_phy_rate;
3492         __le16 sba;
3493         __le16 medium_time;
3494 } __packed;
3495
3496 struct ieee80211_he_6ghz_capa {
3497         /* uses IEEE80211_HE_6GHZ_CAP_* below */
3498         __le16 capa;
3499 } __packed;
3500
3501 /* HE 6 GHz band capabilities */
3502 /* uses enum ieee80211_min_mpdu_spacing values */
3503 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
3504 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3505 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
3506 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3507 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
3508 /* WLAN_HT_CAP_SM_PS_* values */
3509 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
3510 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
3511 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
3512 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
3513
3514 /**
3515  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3516  * @hdr: the frame
3517  *
3518  * The qos ctrl bytes come after the frame_control, duration, seq_num
3519  * and 3 or 4 addresses of length ETH_ALEN.
3520  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3521  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3522  */
3523 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3524 {
3525         if (ieee80211_has_a4(hdr->frame_control))
3526                 return (u8 *)hdr + 30;
3527         else
3528                 return (u8 *)hdr + 24;
3529 }
3530
3531 /**
3532  * ieee80211_get_tid - get qos TID
3533  * @hdr: the frame
3534  */
3535 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3536 {
3537         u8 *qc = ieee80211_get_qos_ctl(hdr);
3538
3539         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3540 }
3541
3542 /**
3543  * ieee80211_get_SA - get pointer to SA
3544  * @hdr: the frame
3545  *
3546  * Given an 802.11 frame, this function returns the offset
3547  * to the source address (SA). It does not verify that the
3548  * header is long enough to contain the address, and the
3549  * header must be long enough to contain the frame control
3550  * field.
3551  */
3552 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3553 {
3554         if (ieee80211_has_a4(hdr->frame_control))
3555                 return hdr->addr4;
3556         if (ieee80211_has_fromds(hdr->frame_control))
3557                 return hdr->addr3;
3558         return hdr->addr2;
3559 }
3560
3561 /**
3562  * ieee80211_get_DA - get pointer to DA
3563  * @hdr: the frame
3564  *
3565  * Given an 802.11 frame, this function returns the offset
3566  * to the destination address (DA). It does not verify that
3567  * the header is long enough to contain the address, and the
3568  * header must be long enough to contain the frame control
3569  * field.
3570  */
3571 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3572 {
3573         if (ieee80211_has_tods(hdr->frame_control))
3574                 return hdr->addr3;
3575         else
3576                 return hdr->addr1;
3577 }
3578
3579 /**
3580  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3581  * @hdr: the frame (buffer must include at least the first octet of payload)
3582  */
3583 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3584 {
3585         if (ieee80211_is_disassoc(hdr->frame_control) ||
3586             ieee80211_is_deauth(hdr->frame_control))
3587                 return true;
3588
3589         if (ieee80211_is_action(hdr->frame_control)) {
3590                 u8 *category;
3591
3592                 /*
3593                  * Action frames, excluding Public Action frames, are Robust
3594                  * Management Frames. However, if we are looking at a Protected
3595                  * frame, skip the check since the data may be encrypted and
3596                  * the frame has already been found to be a Robust Management
3597                  * Frame (by the other end).
3598                  */
3599                 if (ieee80211_has_protected(hdr->frame_control))
3600                         return true;
3601                 category = ((u8 *) hdr) + 24;
3602                 return *category != WLAN_CATEGORY_PUBLIC &&
3603                         *category != WLAN_CATEGORY_HT &&
3604                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3605                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3606                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3607                         *category != WLAN_CATEGORY_VHT &&
3608                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3609         }
3610
3611         return false;
3612 }
3613
3614 /**
3615  * ieee80211_is_public_action - check if frame is a public action frame
3616  * @hdr: the frame
3617  * @len: length of the frame
3618  */
3619 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3620                                               size_t len)
3621 {
3622         struct ieee80211_mgmt *mgmt = (void *)hdr;
3623
3624         if (len < IEEE80211_MIN_ACTION_SIZE)
3625                 return false;
3626         if (!ieee80211_is_action(hdr->frame_control))
3627                 return false;
3628         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3629 }
3630
3631 static inline bool is_multicast_ether_addr(const u8 *a)
3632 {
3633         return 0x01 & a[0];
3634 }
3635
3636 /**
3637  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3638  * privacy action frame
3639  * @hdr: the frame
3640  */
3641 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3642 {
3643         struct ieee80211_mgmt *mgmt = (void *)hdr;
3644
3645         if (!ieee80211_is_action(hdr->frame_control) ||
3646             !is_multicast_ether_addr(hdr->addr1))
3647                 return false;
3648
3649         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3650                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3651 }
3652
3653 /**
3654  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3655  * @tu: the TUs
3656  */
3657 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3658 {
3659         return 1024 * tu;
3660 }
3661
3662 /**
3663  * ieee80211_check_tim - check if AID bit is set in TIM
3664  * @tim: the TIM IE
3665  * @tim_len: length of the TIM IE
3666  * @aid: the AID to look for
3667  */
3668 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3669                                        u8 tim_len, u16 aid)
3670 {
3671         u8 mask;
3672         u8 indexn0, indexn1, indexn2;
3673
3674         if (unlikely(!tim || tim_len < sizeof(*tim)))
3675                 return false;
3676
3677         aid &= 0x3fff;
3678         indexn0 = aid / 8;
3679         mask  = 1 << (aid & 7);
3680
3681         indexn1 = tim->bitmap_ctrl & 0xfe;
3682         indexn2 = tim_len + indexn1 - 4;
3683
3684         if (indexn0 < indexn1 || indexn0 > indexn2)
3685                 return false;
3686
3687         indexn0 -= indexn1;
3688
3689         return !!(tim->virtual_map[indexn0] & mask);
3690 }
3691
3692 /* convert time units */
3693 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3694 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3695
3696 struct element {
3697         u8 id;
3698         u8 datalen;
3699         u8 data[];
3700 } __packed;
3701
3702 /* element iteration helpers */
3703 #define for_each_element(_elem, _data, _datalen)                        \
3704         for (_elem = (const struct element *)(_data);                   \
3705              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3706                 (int)sizeof(*_elem) &&                                  \
3707              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3708                 (int)sizeof(*_elem) + _elem->datalen;                   \
3709              _elem = (const struct element *)(_elem->data + _elem->datalen))
3710
3711 #define for_each_element_id(element, _id, data, datalen)                \
3712         for_each_element(element, data, datalen)                        \
3713                 if (element->id == (_id))
3714
3715 #define for_each_element_extid(element, extid, _data, _datalen)         \
3716         for_each_element(element, _data, _datalen)                      \
3717                 if (element->id == WLAN_EID_EXTENSION &&                \
3718                     element->datalen > 0 &&                             \
3719                     element->data[0] == (extid))
3720
3721 #define for_each_subelement(sub, element)                               \
3722         for_each_element(sub, (element)->data, (element)->datalen)
3723
3724 #define for_each_subelement_id(sub, id, element)                        \
3725         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3726
3727 #define for_each_subelement_extid(sub, extid, element)                  \
3728         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3729
3730 /* convert frequencies */
3731 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3732 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3733 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3734 #define KHZ_F "%d.%03d"
3735
3736 /* convert powers */
3737 #define DBI_TO_MBI(gain) ((gain) * 100)
3738 #define MBI_TO_DBI(gain) ((gain) / 100)
3739 #define DBM_TO_MBM(gain) ((gain) * 100)
3740 #define MBM_TO_DBM(gain) ((gain) / 100)
3741
3742 /**
3743  * for_each_element_completed - determine if element parsing consumed all data
3744  * @element: element pointer after for_each_element() or friends
3745  * @data: same data pointer as passed to for_each_element() or friends
3746  * @datalen: same data length as passed to for_each_element() or friends
3747  *
3748  * This function returns %true if all the data was parsed or considered
3749  * while walking the elements. Only use this if your for_each_element()
3750  * loop cannot be broken out of, otherwise it always returns %false.
3751  *
3752  * If some data was malformed, this returns %false since the last parsed
3753  * element will not fill the whole remaining data.
3754  */
3755 static inline bool for_each_element_completed(const struct element *element,
3756                                               const void *data, size_t datalen)
3757 {
3758         return (const u8 *)element == (const u8 *)data + datalen;
3759 }
3760
3761 /**
3762  * RSNX Capabilities:
3763  * bits 0-3: Field length (n-1)
3764  */
3765 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3766 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3767
3768 /*
3769  * reduced neighbor report, based on Draft P802.11ax_D6.1,
3770  * section 9.4.2.170 and accepted contributions.
3771  */
3772 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
3773 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
3774 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
3775 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
3776 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
3777 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
3778
3779 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
3780 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
3781 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
3782 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
3783 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
3784 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
3785 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
3786
3787 struct ieee80211_neighbor_ap_info {
3788        u8 tbtt_info_hdr;
3789        u8 tbtt_info_len;
3790        u8 op_class;
3791        u8 channel;
3792 } __packed;
3793
3794 #endif /* __LINUX_IEEE80211_H */