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 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 149 #define IEEE80211_CTL_EXT_POLL          0x2000
 150 #define IEEE80211_CTL_EXT_SPR           0x3000
 151 #define IEEE80211_CTL_EXT_GRANT 0x4000
 152 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 153 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 154 #define IEEE80211_CTL_EXT_SSW           0x8000
 155 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 156 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 157
 158
 159 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 160 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 161 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 162
 163
 164 /* PV1 Layout 11ah 9.8.3.1 */
 165 #define IEEE80211_PV1_FCTL_VERS         0x0003
 166 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 167 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 168 #define IEEE80211_PV1_FCTL_TODS         0x0100
 169 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 170 #define IEEE80211_PV1_FCTL_PM           0x0400
 171 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 172 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 173 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 174 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 175 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 176 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 177
 178 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 179 {
 180         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 181 }
 182
 183 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 184 {
 185         return (sn1 + sn2) & IEEE80211_SN_MASK;
 186 }
 187
 188 static inline u16 ieee80211_sn_inc(u16 sn)
 189 {
 190         return ieee80211_sn_add(sn, 1);
 191 }
 192
 193 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 194 {
 195         return (sn1 - sn2) & IEEE80211_SN_MASK;
 196 }
 197
 198 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 199 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 200
 201 /* miscellaneous IEEE 802.11 constants */
 202 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 203 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 204 #define IEEE80211_MAX_AID               2007
 205 #define IEEE80211_MAX_AID_S1G           8191
 206 #define IEEE80211_MAX_TIM_LEN           251
 207 #define IEEE80211_MAX_MESH_PEERINGS     63
 208 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 209    6.2.1.1.2.
 210
 211    802.11e clarifies the figure in section 7.1.2. The frame body is
 212    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 213 #define IEEE80211_MAX_DATA_LEN          2304
 214 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 215  * to 7920 bytes, see 8.2.3 General frame format
 216  */
 217 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 218 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 219 #define IEEE80211_MAX_FRAME_LEN         2352
 220
 221 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 222 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 223
 224 /* Maximal size of an A-MSDU */
 225 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 226 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 227
 228 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 229 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 230 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 231
 232 #define IEEE80211_MAX_SSID_LEN          32
 233
 234 #define IEEE80211_MAX_MESH_ID_LEN       32
 235
 236 #define IEEE80211_FIRST_TSPEC_TSID      8
 237 #define IEEE80211_NUM_TIDS              16
 238
 239 /* number of user priorities 802.11 uses */
 240 #define IEEE80211_NUM_UPS               8
 241 /* number of ACs */
 242 #define IEEE80211_NUM_ACS               4
 243
 244 #define IEEE80211_QOS_CTL_LEN           2
 245 /* 1d tag mask */
 246 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 247 /* TID mask */
 248 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 249 /* EOSP */
 250 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 251 /* ACK policy */
 252 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 253 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 254 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 255 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 256 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 257 /* A-MSDU 802.11n */
 258 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 259 /* Mesh Control 802.11s */
 260 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 261
 262 /* U-APSD queue for WMM IEs sent by AP */
 263 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 264 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 265
 266 /* U-APSD queues for WMM IEs sent by STA */
 267 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 268 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 269 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 270 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 271 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 272
 273 /* U-APSD max SP length for WMM IEs sent by STA */
 274 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 275 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 276 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 277 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 278 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 279 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 280
 281 #define IEEE80211_HT_CTL_LEN            4
 282
 283 struct ieee80211_hdr {
 284         __le16 frame_control;
 285         __le16 duration_id;
 286         u8 addr1[6];
 287         u8 addr2[6];
 288         u8 addr3[6];
 289         __le16 seq_ctrl;
 290         u8 addr4[6];
 291 } __packed __aligned(2);
 292
 293 struct ieee80211_hdr_3addr {
 294         __le16 frame_control;
 295         __le16 duration_id;
 296         u8 addr1[6];
 297         u8 addr2[6];
 298         u8 addr3[6];
 299         __le16 seq_ctrl;
 300 } __packed __aligned(2);
 301
 302 struct ieee80211_qos_hdr {
 303         __le16 frame_control;
 304         __le16 duration_id;
 305         u8 addr1[6];
 306         u8 addr2[6];
 307         u8 addr3[6];
 308         __le16 seq_ctrl;
 309         __le16 qos_ctrl;
 310 } __packed __aligned(2);
 311
 312 /**
 313  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 314  * @fc: frame control bytes in little-endian byteorder
 315  */
 316 static inline bool ieee80211_has_tods(__le16 fc)
 317 {
 318         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 319 }
 320
 321 /**
 322  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 323  * @fc: frame control bytes in little-endian byteorder
 324  */
 325 static inline bool ieee80211_has_fromds(__le16 fc)
 326 {
 327         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 328 }
 329
 330 /**
 331  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 332  * @fc: frame control bytes in little-endian byteorder
 333  */
 334 static inline bool ieee80211_has_a4(__le16 fc)
 335 {
 336         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 337         return (fc & tmp) == tmp;
 338 }
 339
 340 /**
 341  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 342  * @fc: frame control bytes in little-endian byteorder
 343  */
 344 static inline bool ieee80211_has_morefrags(__le16 fc)
 345 {
 346         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 347 }
 348
 349 /**
 350  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 351  * @fc: frame control bytes in little-endian byteorder
 352  */
 353 static inline bool ieee80211_has_retry(__le16 fc)
 354 {
 355         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 356 }
 357
 358 /**
 359  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 360  * @fc: frame control bytes in little-endian byteorder
 361  */
 362 static inline bool ieee80211_has_pm(__le16 fc)
 363 {
 364         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 365 }
 366
 367 /**
 368  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 369  * @fc: frame control bytes in little-endian byteorder
 370  */
 371 static inline bool ieee80211_has_moredata(__le16 fc)
 372 {
 373         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 374 }
 375
 376 /**
 377  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 378  * @fc: frame control bytes in little-endian byteorder
 379  */
 380 static inline bool ieee80211_has_protected(__le16 fc)
 381 {
 382         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 383 }
 384
 385 /**
 386  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 387  * @fc: frame control bytes in little-endian byteorder
 388  */
 389 static inline bool ieee80211_has_order(__le16 fc)
 390 {
 391         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 392 }
 393
 394 /**
 395  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 396  * @fc: frame control bytes in little-endian byteorder
 397  */
 398 static inline bool ieee80211_is_mgmt(__le16 fc)
 399 {
 400         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 401                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 402 }
 403
 404 /**
 405  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 406  * @fc: frame control bytes in little-endian byteorder
 407  */
 408 static inline bool ieee80211_is_ctl(__le16 fc)
 409 {
 410         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 411                cpu_to_le16(IEEE80211_FTYPE_CTL);
 412 }
 413
 414 /**
 415  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 416  * @fc: frame control bytes in little-endian byteorder
 417  */
 418 static inline bool ieee80211_is_data(__le16 fc)
 419 {
 420         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 421                cpu_to_le16(IEEE80211_FTYPE_DATA);
 422 }
 423
 424 /**
 425  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 426  * @fc: frame control bytes in little-endian byteorder
 427  */
 428 static inline bool ieee80211_is_ext(__le16 fc)
 429 {
 430         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 431                cpu_to_le16(IEEE80211_FTYPE_EXT);
 432 }
 433
 434
 435 /**
 436  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 437  * @fc: frame control bytes in little-endian byteorder
 438  */
 439 static inline bool ieee80211_is_data_qos(__le16 fc)
 440 {
 441         /*
 442          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 443          * to check the one bit
 444          */
 445         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 446                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 447 }
 448
 449 /**
 450  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 451  * @fc: frame control bytes in little-endian byteorder
 452  */
 453 static inline bool ieee80211_is_data_present(__le16 fc)
 454 {
 455         /*
 456          * mask with 0x40 and test that that bit is clear to only return true
 457          * for the data-containing substypes.
 458          */
 459         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 460                cpu_to_le16(IEEE80211_FTYPE_DATA);
 461 }
 462
 463 /**
 464  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 465  * @fc: frame control bytes in little-endian byteorder
 466  */
 467 static inline bool ieee80211_is_assoc_req(__le16 fc)
 468 {
 469         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 470                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 471 }
 472
 473 /**
 474  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 475  * @fc: frame control bytes in little-endian byteorder
 476  */
 477 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 478 {
 479         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 480                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 481 }
 482
 483 /**
 484  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 485  * @fc: frame control bytes in little-endian byteorder
 486  */
 487 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 488 {
 489         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 490                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 491 }
 492
 493 /**
 494  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 495  * @fc: frame control bytes in little-endian byteorder
 496  */
 497 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 498 {
 499         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 500                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 501 }
 502
 503 /**
 504  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 505  * @fc: frame control bytes in little-endian byteorder
 506  */
 507 static inline bool ieee80211_is_probe_req(__le16 fc)
 508 {
 509         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 510                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 511 }
 512
 513 /**
 514  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 515  * @fc: frame control bytes in little-endian byteorder
 516  */
 517 static inline bool ieee80211_is_probe_resp(__le16 fc)
 518 {
 519         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 520                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 521 }
 522
 523 /**
 524  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 525  * @fc: frame control bytes in little-endian byteorder
 526  */
 527 static inline bool ieee80211_is_beacon(__le16 fc)
 528 {
 529         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 530                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 531 }
 532
 533 /**
 534  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 535  * IEEE80211_STYPE_S1G_BEACON
 536  * @fc: frame control bytes in little-endian byteorder
 537  */
 538 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 539 {
 540         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 541                                  IEEE80211_FCTL_STYPE)) ==
 542                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 543 }
 544
 545 /**
 546  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 547  * @fc: frame control bytes in little-endian byteorder
 548  */
 549 static inline bool ieee80211_is_atim(__le16 fc)
 550 {
 551         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 552                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 553 }
 554
 555 /**
 556  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 557  * @fc: frame control bytes in little-endian byteorder
 558  */
 559 static inline bool ieee80211_is_disassoc(__le16 fc)
 560 {
 561         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 562                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 563 }
 564
 565 /**
 566  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 567  * @fc: frame control bytes in little-endian byteorder
 568  */
 569 static inline bool ieee80211_is_auth(__le16 fc)
 570 {
 571         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 572                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 573 }
 574
 575 /**
 576  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 577  * @fc: frame control bytes in little-endian byteorder
 578  */
 579 static inline bool ieee80211_is_deauth(__le16 fc)
 580 {
 581         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 582                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 583 }
 584
 585 /**
 586  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 587  * @fc: frame control bytes in little-endian byteorder
 588  */
 589 static inline bool ieee80211_is_action(__le16 fc)
 590 {
 591         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 592                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 593 }
 594
 595 /**
 596  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 597  * @fc: frame control bytes in little-endian byteorder
 598  */
 599 static inline bool ieee80211_is_back_req(__le16 fc)
 600 {
 601         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 602                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 603 }
 604
 605 /**
 606  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 607  * @fc: frame control bytes in little-endian byteorder
 608  */
 609 static inline bool ieee80211_is_back(__le16 fc)
 610 {
 611         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 612                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 613 }
 614
 615 /**
 616  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 617  * @fc: frame control bytes in little-endian byteorder
 618  */
 619 static inline bool ieee80211_is_pspoll(__le16 fc)
 620 {
 621         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 622                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 623 }
 624
 625 /**
 626  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 627  * @fc: frame control bytes in little-endian byteorder
 628  */
 629 static inline bool ieee80211_is_rts(__le16 fc)
 630 {
 631         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 632                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 633 }
 634
 635 /**
 636  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 637  * @fc: frame control bytes in little-endian byteorder
 638  */
 639 static inline bool ieee80211_is_cts(__le16 fc)
 640 {
 641         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 642                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 643 }
 644
 645 /**
 646  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 647  * @fc: frame control bytes in little-endian byteorder
 648  */
 649 static inline bool ieee80211_is_ack(__le16 fc)
 650 {
 651         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 652                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 653 }
 654
 655 /**
 656  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 657  * @fc: frame control bytes in little-endian byteorder
 658  */
 659 static inline bool ieee80211_is_cfend(__le16 fc)
 660 {
 661         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 662                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 663 }
 664
 665 /**
 666  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 667  * @fc: frame control bytes in little-endian byteorder
 668  */
 669 static inline bool ieee80211_is_cfendack(__le16 fc)
 670 {
 671         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 672                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 673 }
 674
 675 /**
 676  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 677  * @fc: frame control bytes in little-endian byteorder
 678  */
 679 static inline bool ieee80211_is_nullfunc(__le16 fc)
 680 {
 681         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 682                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 683 }
 684
 685 /**
 686  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 687  * @fc: frame control bytes in little-endian byteorder
 688  */
 689 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 690 {
 691         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 692                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 693 }
 694
 695 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 696 {
 697         unsigned int hdrlen = 24;
 698
 699         if (ieee80211_has_a4(fc))
 700                 hdrlen = 30;
 701
 702         if (ieee80211_is_data_qos(fc)) {
 703                 hdrlen += IEEE80211_QOS_CTL_LEN;
 704                 if (ieee80211_has_order(fc))
 705                         hdrlen += IEEE80211_HT_CTL_LEN;
 706         }
 707
 708         return hdrlen;
 709 }
 710
 711 /**
 712  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 713  * @fc: frame control bytes in little-endian byteorder
 714  */
 715 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 716 {
 717         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 718 }
 719
 720 /**
 721  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 722  * @fc: frame control field in little-endian byteorder
 723  */
 724 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 725 {
 726         /* IEEE 802.11-2012, definition of "bufferable management frame";
 727          * note that this ignores the IBSS special case. */
 728         return ieee80211_is_mgmt(fc) &&
 729                (ieee80211_is_action(fc) ||
 730                 ieee80211_is_disassoc(fc) ||
 731                 ieee80211_is_deauth(fc));
 732 }
 733
 734 /**
 735  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 736  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 737  */
 738 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 739 {
 740         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 741 }
 742
 743 /**
 744  * ieee80211_is_frag - check if a frame is a fragment
 745  * @hdr: 802.11 header of the frame
 746  */
 747 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 748 {
 749         return ieee80211_has_morefrags(hdr->frame_control) ||
 750                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 751 }
 752
 753 struct ieee80211s_hdr {
 754         u8 flags;
 755         u8 ttl;
 756         __le32 seqnum;
 757         u8 eaddr1[6];
 758         u8 eaddr2[6];
 759 } __packed __aligned(2);
 760
 761 /* Mesh flags */
 762 #define MESH_FLAGS_AE_A4        0x1
 763 #define MESH_FLAGS_AE_A5_A6     0x2
 764 #define MESH_FLAGS_AE           0x3
 765 #define MESH_FLAGS_PS_DEEP      0x4
 766
 767 /**
 768  * enum ieee80211_preq_flags - mesh PREQ element flags
 769  *
 770  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 771  */
 772 enum ieee80211_preq_flags {
 773         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 774 };
 775
 776 /**
 777  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 778  *
 779  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 780  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 781  */
 782 enum ieee80211_preq_target_flags {
 783         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 784         IEEE80211_PREQ_USN_FLAG = 1<<2,
 785 };
 786
 787 /**
 788  * struct ieee80211_quiet_ie
 789  *
 790  * This structure refers to "Quiet information element"
 791  */
 792 struct ieee80211_quiet_ie {
 793         u8 count;
 794         u8 period;
 795         __le16 duration;
 796         __le16 offset;
 797 } __packed;
 798
 799 /**
 800  * struct ieee80211_msrment_ie
 801  *
 802  * This structure refers to "Measurement Request/Report information element"
 803  */
 804 struct ieee80211_msrment_ie {
 805         u8 token;
 806         u8 mode;
 807         u8 type;
 808         u8 request[0];
 809 } __packed;
 810
 811 /**
 812  * struct ieee80211_channel_sw_ie
 813  *
 814  * This structure refers to "Channel Switch Announcement information element"
 815  */
 816 struct ieee80211_channel_sw_ie {
 817         u8 mode;
 818         u8 new_ch_num;
 819         u8 count;
 820 } __packed;
 821
 822 /**
 823  * struct ieee80211_ext_chansw_ie
 824  *
 825  * This structure represents the "Extended Channel Switch Announcement element"
 826  */
 827 struct ieee80211_ext_chansw_ie {
 828         u8 mode;
 829         u8 new_operating_class;
 830         u8 new_ch_num;
 831         u8 count;
 832 } __packed;
 833
 834 /**
 835  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 836  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 837  *      values here
 838  * This structure represents the "Secondary Channel Offset element"
 839  */
 840 struct ieee80211_sec_chan_offs_ie {
 841         u8 sec_chan_offs;
 842 } __packed;
 843
 844 /**
 845  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 846  *
 847  * This structure represents the "Mesh Channel Switch Paramters element"
 848  */
 849 struct ieee80211_mesh_chansw_params_ie {
 850         u8 mesh_ttl;
 851         u8 mesh_flags;
 852         __le16 mesh_reason;
 853         __le16 mesh_pre_value;
 854 } __packed;
 855
 856 /**
 857  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 858  */
 859 struct ieee80211_wide_bw_chansw_ie {
 860         u8 new_channel_width;
 861         u8 new_center_freq_seg0, new_center_freq_seg1;
 862 } __packed;
 863
 864 /**
 865  * struct ieee80211_tim
 866  *
 867  * This structure refers to "Traffic Indication Map information element"
 868  */
 869 struct ieee80211_tim_ie {
 870         u8 dtim_count;
 871         u8 dtim_period;
 872         u8 bitmap_ctrl;
 873         /* variable size: 1 - 251 bytes */
 874         u8 virtual_map[1];
 875 } __packed;
 876
 877 /**
 878  * struct ieee80211_meshconf_ie
 879  *
 880  * This structure refers to "Mesh Configuration information element"
 881  */
 882 struct ieee80211_meshconf_ie {
 883         u8 meshconf_psel;
 884         u8 meshconf_pmetric;
 885         u8 meshconf_congest;
 886         u8 meshconf_synch;
 887         u8 meshconf_auth;
 888         u8 meshconf_form;
 889         u8 meshconf_cap;
 890 } __packed;
 891
 892 /**
 893  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 894  *
 895  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 896  *      additional mesh peerings with other mesh STAs
 897  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 898  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 899  *      is ongoing
 900  */
 901 enum mesh_config_capab_flags {
 902         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 903         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 904         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 905 };
 906
 907 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 908
 909 /**
 910  * mesh channel switch parameters element's flag indicator
 911  *
 912  */
 913 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 914 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 915 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 916
 917 /**
 918  * struct ieee80211_rann_ie
 919  *
 920  * This structure refers to "Root Announcement information element"
 921  */
 922 struct ieee80211_rann_ie {
 923         u8 rann_flags;
 924         u8 rann_hopcount;
 925         u8 rann_ttl;
 926         u8 rann_addr[6];
 927         __le32 rann_seq;
 928         __le32 rann_interval;
 929         __le32 rann_metric;
 930 } __packed;
 931
 932 enum ieee80211_rann_flags {
 933         RANN_FLAG_IS_GATE = 1 << 0,
 934 };
 935
 936 enum ieee80211_ht_chanwidth_values {
 937         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 938         IEEE80211_HT_CHANWIDTH_ANY = 1,
 939 };
 940
 941 /**
 942  * enum ieee80211_opmode_bits - VHT operating mode field bits
 943  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 944  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 945  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 946  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 947  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 948  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
 949  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 950  *      (the NSS value is the value of this field + 1)
 951  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 952  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 953  *      using a beamforming steering matrix
 954  */
 955 enum ieee80211_vht_opmode_bits {
 956         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
 957         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 958         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 959         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 960         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 961         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
 962         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 963         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 964         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 965 };
 966
 967 #define WLAN_SA_QUERY_TR_ID_LEN 2
 968 #define WLAN_MEMBERSHIP_LEN 8
 969 #define WLAN_USER_POSITION_LEN 16
 970
 971 /**
 972  * struct ieee80211_tpc_report_ie
 973  *
 974  * This structure refers to "TPC Report element"
 975  */
 976 struct ieee80211_tpc_report_ie {
 977         u8 tx_power;
 978         u8 link_margin;
 979 } __packed;
 980
 981 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
 982 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
 983 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
 984
 985 struct ieee80211_addba_ext_ie {
 986         u8 data;
 987 } __packed;
 988
 989 /**
 990  * struct ieee80211_s1g_bcn_compat_ie
 991  *
 992  * S1G Beacon Compatibility element
 993  */
 994 struct ieee80211_s1g_bcn_compat_ie {
 995         __le16 compat_info;
 996         __le16 beacon_int;
 997         __le32 tsf_completion;
 998 } __packed;
 999
1000 /**
1001  * struct ieee80211_s1g_oper_ie
1002  *
1003  * S1G Operation element
1004  */
1005 struct ieee80211_s1g_oper_ie {
1006         u8 ch_width;
1007         u8 oper_class;
1008         u8 primary_ch;
1009         u8 oper_ch;
1010         __le16 basic_mcs_nss;
1011 } __packed;
1012
1013 /**
1014  * struct ieee80211_aid_response_ie
1015  *
1016  * AID Response element
1017  */
1018 struct ieee80211_aid_response_ie {
1019         __le16 aid;
1020         u8 switch_count;
1021         __le16 response_int;
1022 } __packed;
1023
1024 struct ieee80211_s1g_cap {
1025         u8 capab_info[10];
1026         u8 supp_mcs_nss[5];
1027 } __packed;
1028
1029 struct ieee80211_ext {
1030         __le16 frame_control;
1031         __le16 duration;
1032         union {
1033                 struct {
1034                         u8 sa[6];
1035                         __le32 timestamp;
1036                         u8 change_seq;
1037                         u8 variable[0];
1038                 } __packed s1g_beacon;
1039         } u;
1040 } __packed __aligned(2);
1041
1042 struct ieee80211_mgmt {
1043         __le16 frame_control;
1044         __le16 duration;
1045         u8 da[6];
1046         u8 sa[6];
1047         u8 bssid[6];
1048         __le16 seq_ctrl;
1049         union {
1050                 struct {
1051                         __le16 auth_alg;
1052                         __le16 auth_transaction;
1053                         __le16 status_code;
1054                         /* possibly followed by Challenge text */
1055                         u8 variable[0];
1056                 } __packed __aligned(4) auth;
1057                 struct {
1058                         __le16 reason_code;
1059                 } __packed __aligned(4) deauth;
1060                 struct {
1061                         __le16 capab_info;
1062                         __le16 listen_interval;
1063                         /* followed by SSID and Supported rates */
1064                         u8 variable[0];
1065                 } __packed __aligned(4) assoc_req;
1066                 struct {
1067                         __le16 capab_info;
1068                         __le16 status_code;
1069                         __le16 aid;
1070                         /* followed by Supported rates */
1071                         u8 variable[0];
1072                 } __packed __aligned(4) assoc_resp, reassoc_resp;
1073                 struct {
1074                         __le16 capab_info;
1075                         __le16 listen_interval;
1076                         u8 current_ap[6];
1077                         /* followed by SSID and Supported rates */
1078                         u8 variable[0];
1079                 } __packed __aligned(4) reassoc_req;
1080                 struct {
1081                         __le16 reason_code;
1082                 } __packed __aligned(4) disassoc;
1083                 struct {
1084                         __le64 timestamp;
1085                         __le16 beacon_int;
1086                         __le16 capab_info;
1087                         /* followed by some of SSID, Supported rates,
1088                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1089                         u8 variable[0];
1090                 } __packed __aligned(4) beacon;
1091                 struct {
1092                         /* only variable items: SSID, Supported rates */
1093                         u8 variable[0];
1094                 } __packed __aligned(4) probe_req;
1095                 struct {
1096                         __le64 timestamp;
1097                         __le16 beacon_int;
1098                         __le16 capab_info;
1099                         /* followed by some of SSID, Supported rates,
1100                          * FH Params, DS Params, CF Params, IBSS Params */
1101                         u8 variable[0];
1102                 } __packed __aligned(4) probe_resp;
1103                 struct {
1104                         u8 category;
1105                         union {
1106                                 struct {
1107                                         u8 action_code;
1108                                         u8 dialog_token;
1109                                         u8 status_code;
1110                                         u8 variable[0];
1111                                 } __packed wme_action;
1112                                 struct{
1113                                         u8 action_code;
1114                                         u8 variable[0];
1115                                 } __packed chan_switch;
1116                                 struct{
1117                                         u8 action_code;
1118                                         struct ieee80211_ext_chansw_ie data;
1119                                         u8 variable[0];
1120                                 } __packed ext_chan_switch;
1121                                 struct{
1122                                         u8 action_code;
1123                                         u8 dialog_token;
1124                                         u8 element_id;
1125                                         u8 length;
1126                                         struct ieee80211_msrment_ie msr_elem;
1127                                 } __packed measurement;
1128                                 struct{
1129                                         u8 action_code;
1130                                         u8 dialog_token;
1131                                         __le16 capab;
1132                                         __le16 timeout;
1133                                         __le16 start_seq_num;
1134                                         /* followed by BA Extension */
1135                                         u8 variable[0];
1136                                 } __packed addba_req;
1137                                 struct{
1138                                         u8 action_code;
1139                                         u8 dialog_token;
1140                                         __le16 status;
1141                                         __le16 capab;
1142                                         __le16 timeout;
1143                                 } __packed addba_resp;
1144                                 struct{
1145                                         u8 action_code;
1146                                         __le16 params;
1147                                         __le16 reason_code;
1148                                 } __packed delba;
1149                                 struct {
1150                                         u8 action_code;
1151                                         u8 variable[0];
1152                                 } __packed self_prot;
1153                                 struct{
1154                                         u8 action_code;
1155                                         u8 variable[0];
1156                                 } __packed mesh_action;
1157                                 struct {
1158                                         u8 action;
1159                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1160                                 } __packed sa_query;
1161                                 struct {
1162                                         u8 action;
1163                                         u8 smps_control;
1164                                 } __packed ht_smps;
1165                                 struct {
1166                                         u8 action_code;
1167                                         u8 chanwidth;
1168                                 } __packed ht_notify_cw;
1169                                 struct {
1170                                         u8 action_code;
1171                                         u8 dialog_token;
1172                                         __le16 capability;
1173                                         u8 variable[0];
1174                                 } __packed tdls_discover_resp;
1175                                 struct {
1176                                         u8 action_code;
1177                                         u8 operating_mode;
1178                                 } __packed vht_opmode_notif;
1179                                 struct {
1180                                         u8 action_code;
1181                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1182                                         u8 position[WLAN_USER_POSITION_LEN];
1183                                 } __packed vht_group_notif;
1184                                 struct {
1185                                         u8 action_code;
1186                                         u8 dialog_token;
1187                                         u8 tpc_elem_id;
1188                                         u8 tpc_elem_length;
1189                                         struct ieee80211_tpc_report_ie tpc;
1190                                 } __packed tpc_report;
1191                                 struct {
1192                                         u8 action_code;
1193                                         u8 dialog_token;
1194                                         u8 follow_up;
1195                                         u8 tod[6];
1196                                         u8 toa[6];
1197                                         __le16 tod_error;
1198                                         __le16 toa_error;
1199                                         u8 variable[0];
1200                                 } __packed ftm;
1201                         } u;
1202                 } __packed __aligned(4) action;
1203         } u __aligned(2);
1204 } __packed __aligned(2);
1205
1206 /* Supported rates membership selectors */
1207 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1208 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1209 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1210
1211 /* mgmt header + 1 byte category code */
1212 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1213
1214
1215 /* Management MIC information element (IEEE 802.11w) */
1216 struct ieee80211_mmie {
1217         u8 element_id;
1218         u8 length;
1219         __le16 key_id;
1220         u8 sequence_number[6];
1221         u8 mic[8];
1222 } __packed;
1223
1224 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1225 struct ieee80211_mmie_16 {
1226         u8 element_id;
1227         u8 length;
1228         __le16 key_id;
1229         u8 sequence_number[6];
1230         u8 mic[16];
1231 } __packed;
1232
1233 struct ieee80211_vendor_ie {
1234         u8 element_id;
1235         u8 len;
1236         u8 oui[3];
1237         u8 oui_type;
1238 } __packed;
1239
1240 struct ieee80211_wmm_ac_param {
1241         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1242         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1243         __le16 txop_limit;
1244 } __packed;
1245
1246 struct ieee80211_wmm_param_ie {
1247         u8 element_id; /* Element ID: 221 (0xdd); */
1248         u8 len; /* Length: 24 */
1249         /* required fields for WMM version 1 */
1250         u8 oui[3]; /* 00:50:f2 */
1251         u8 oui_type; /* 2 */
1252         u8 oui_subtype; /* 1 */
1253         u8 version; /* 1 for WMM version 1.0 */
1254         u8 qos_info; /* AP/STA specific QoS info */
1255         u8 reserved; /* 0 */
1256         /* AC_BE, AC_BK, AC_VI, AC_VO */
1257         struct ieee80211_wmm_ac_param ac[4];
1258 } __packed;
1259
1260 /* Control frames */
1261 struct ieee80211_rts {
1262         __le16 frame_control;
1263         __le16 duration;
1264         u8 ra[6];
1265         u8 ta[6];
1266 } __packed __aligned(2);
1267
1268 struct ieee80211_cts {
1269         __le16 frame_control;
1270         __le16 duration;
1271         u8 ra[6];
1272 } __packed __aligned(2);
1273
1274 struct ieee80211_pspoll {
1275         __le16 frame_control;
1276         __le16 aid;
1277         u8 bssid[6];
1278         u8 ta[6];
1279 } __packed __aligned(2);
1280
1281 /* TDLS */
1282
1283 /* Channel switch timing */
1284 struct ieee80211_ch_switch_timing {
1285         __le16 switch_time;
1286         __le16 switch_timeout;
1287 } __packed;
1288
1289 /* Link-id information element */
1290 struct ieee80211_tdls_lnkie {
1291         u8 ie_type; /* Link Identifier IE */
1292         u8 ie_len;
1293         u8 bssid[6];
1294         u8 init_sta[6];
1295         u8 resp_sta[6];
1296 } __packed;
1297
1298 struct ieee80211_tdls_data {
1299         u8 da[6];
1300         u8 sa[6];
1301         __be16 ether_type;
1302         u8 payload_type;
1303         u8 category;
1304         u8 action_code;
1305         union {
1306                 struct {
1307                         u8 dialog_token;
1308                         __le16 capability;
1309                         u8 variable[0];
1310                 } __packed setup_req;
1311                 struct {
1312                         __le16 status_code;
1313                         u8 dialog_token;
1314                         __le16 capability;
1315                         u8 variable[0];
1316                 } __packed setup_resp;
1317                 struct {
1318                         __le16 status_code;
1319                         u8 dialog_token;
1320                         u8 variable[0];
1321                 } __packed setup_cfm;
1322                 struct {
1323                         __le16 reason_code;
1324                         u8 variable[0];
1325                 } __packed teardown;
1326                 struct {
1327                         u8 dialog_token;
1328                         u8 variable[0];
1329                 } __packed discover_req;
1330                 struct {
1331                         u8 target_channel;
1332                         u8 oper_class;
1333                         u8 variable[0];
1334                 } __packed chan_switch_req;
1335                 struct {
1336                         __le16 status_code;
1337                         u8 variable[0];
1338                 } __packed chan_switch_resp;
1339         } u;
1340 } __packed;
1341
1342 /*
1343  * Peer-to-Peer IE attribute related definitions.
1344  */
1345 /**
1346  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1347  */
1348 enum ieee80211_p2p_attr_id {
1349         IEEE80211_P2P_ATTR_STATUS = 0,
1350         IEEE80211_P2P_ATTR_MINOR_REASON,
1351         IEEE80211_P2P_ATTR_CAPABILITY,
1352         IEEE80211_P2P_ATTR_DEVICE_ID,
1353         IEEE80211_P2P_ATTR_GO_INTENT,
1354         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1355         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1356         IEEE80211_P2P_ATTR_GROUP_BSSID,
1357         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1358         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1359         IEEE80211_P2P_ATTR_MANAGABILITY,
1360         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1361         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1362         IEEE80211_P2P_ATTR_DEVICE_INFO,
1363         IEEE80211_P2P_ATTR_GROUP_INFO,
1364         IEEE80211_P2P_ATTR_GROUP_ID,
1365         IEEE80211_P2P_ATTR_INTERFACE,
1366         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1367         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1368         /* 19 - 220: Reserved */
1369         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1370
1371         IEEE80211_P2P_ATTR_MAX
1372 };
1373
1374 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1375 /* Typical max value used here */
1376 #define IEEE80211_P2P_NOA_DESC_MAX      4
1377
1378 struct ieee80211_p2p_noa_desc {
1379         u8 count;
1380         __le32 duration;
1381         __le32 interval;
1382         __le32 start_time;
1383 } __packed;
1384
1385 struct ieee80211_p2p_noa_attr {
1386         u8 index;
1387         u8 oppps_ctwindow;
1388         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1389 } __packed;
1390
1391 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1392 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1393
1394 /**
1395  * struct ieee80211_bar - HT Block Ack Request
1396  *
1397  * This structure refers to "HT BlockAckReq" as
1398  * described in 802.11n draft section 7.2.1.7.1
1399  */
1400 struct ieee80211_bar {
1401         __le16 frame_control;
1402         __le16 duration;
1403         __u8 ra[6];
1404         __u8 ta[6];
1405         __le16 control;
1406         __le16 start_seq_num;
1407 } __packed __aligned(2);
1408
1409 /* 802.11 BA(R) control masks */
1410 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1411 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1412 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1413 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1414 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1415
1416 /**
1417  * struct ieee80211_ba - HT Block Ack
1418  *
1419  * This structure refers to "HT BlockAck" as
1420  * described in 802.11n draft section 7.2.1.8.1
1421  */
1422 struct ieee80211_ba {
1423         __le16 frame_control;
1424         __le16 duration;
1425         u8 ra[6];
1426         u8 ta[6];
1427         __le16 control;
1428
1429         __le16 start_seq_num;
1430         u8 bitmap[8];
1431 } __packed;
1432
1433 #define IEEE80211_HT_MCS_MASK_LEN               10
1434
1435 /**
1436  * struct ieee80211_mcs_info - MCS information
1437  * @rx_mask: RX mask
1438  * @rx_highest: highest supported RX rate. If set represents
1439  *      the highest supported RX data rate in units of 1 Mbps.
1440  *      If this field is 0 this value should not be used to
1441  *      consider the highest RX data rate supported.
1442  * @tx_params: TX parameters
1443  */
1444 struct ieee80211_mcs_info {
1445         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1446         __le16 rx_highest;
1447         u8 tx_params;
1448         u8 reserved[3];
1449 } __packed;
1450
1451 /* 802.11n HT capability MSC set */
1452 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1453 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1454 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1455 /* value 0 == 1 stream etc */
1456 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1457 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1458 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1459 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1460
1461 /*
1462  * 802.11n D5.0 20.3.5 / 20.6 says:
1463  * - indices 0 to 7 and 32 are single spatial stream
1464  * - 8 to 31 are multiple spatial streams using equal modulation
1465  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1466  * - remainder are multiple spatial streams using unequal modulation
1467  */
1468 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1469 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1470         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1471
1472 /**
1473  * struct ieee80211_ht_cap - HT capabilities
1474  *
1475  * This structure is the "HT capabilities element" as
1476  * described in 802.11n D5.0 7.3.2.57
1477  */
1478 struct ieee80211_ht_cap {
1479         __le16 cap_info;
1480         u8 ampdu_params_info;
1481
1482         /* 16 bytes MCS information */
1483         struct ieee80211_mcs_info mcs;
1484
1485         __le16 extended_ht_cap_info;
1486         __le32 tx_BF_cap_info;
1487         u8 antenna_selection_info;
1488 } __packed;
1489
1490 /* 802.11n HT capabilities masks (for cap_info) */
1491 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1492 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1493 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1494 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1495 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1496 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1497 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1498 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1499 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1500 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1501 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1502 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1503 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1504 #define IEEE80211_HT_CAP_RESERVED               0x2000
1505 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1506 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1507
1508 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1509 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1510 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1511 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1512 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1513 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1514 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1515 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1516
1517 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1518 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1519 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1520 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1521
1522 /*
1523  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1524  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1525  */
1526 enum ieee80211_max_ampdu_length_exp {
1527         IEEE80211_HT_MAX_AMPDU_8K = 0,
1528         IEEE80211_HT_MAX_AMPDU_16K = 1,
1529         IEEE80211_HT_MAX_AMPDU_32K = 2,
1530         IEEE80211_HT_MAX_AMPDU_64K = 3
1531 };
1532
1533 /*
1534  * Maximum length of AMPDU that the STA can receive in VHT.
1535  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1536  */
1537 enum ieee80211_vht_max_ampdu_length_exp {
1538         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1539         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1540         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1541         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1542         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1543         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1544         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1545         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1546 };
1547
1548 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1549
1550 /* Minimum MPDU start spacing */
1551 enum ieee80211_min_mpdu_spacing {
1552         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1553         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1554         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1555         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1556         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1557         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1558         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1559         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1560 };
1561
1562 /**
1563  * struct ieee80211_ht_operation - HT operation IE
1564  *
1565  * This structure is the "HT operation element" as
1566  * described in 802.11n-2009 7.3.2.57
1567  */
1568 struct ieee80211_ht_operation {
1569         u8 primary_chan;
1570         u8 ht_param;
1571         __le16 operation_mode;
1572         __le16 stbc_param;
1573         u8 basic_set[16];
1574 } __packed;
1575
1576 /* for ht_param */
1577 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1578 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1579 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1580 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1581 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1582 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1583
1584 /* for operation_mode */
1585 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1586 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1587 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1588 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1589 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1590 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1591 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1592 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1593 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1594
1595 /* for stbc_param */
1596 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1597 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1598 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1599 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1600 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1601 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1602
1603
1604 /* block-ack parameters */
1605 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1606 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1607 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1608 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1609 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1610 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1611
1612 /*
1613  * A-MPDU buffer sizes
1614  * According to HT size varies from 8 to 64 frames
1615  * HE adds the ability to have up to 256 frames.
1616  */
1617 #define IEEE80211_MIN_AMPDU_BUF         0x8
1618 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1619 #define IEEE80211_MAX_AMPDU_BUF         0x100
1620
1621
1622 /* Spatial Multiplexing Power Save Modes (for capability) */
1623 #define WLAN_HT_CAP_SM_PS_STATIC        0
1624 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1625 #define WLAN_HT_CAP_SM_PS_INVALID       2
1626 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1627
1628 /* for SM power control field lower two bits */
1629 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1630 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1631 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1632
1633 /**
1634  * struct ieee80211_vht_mcs_info - VHT MCS information
1635  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1636  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1637  *      STA can receive. Rate expressed in units of 1 Mbps.
1638  *      If this field is 0 this value should not be used to
1639  *      consider the highest RX data rate supported.
1640  *      The top 3 bits of this field indicate the Maximum NSTS,total
1641  *      (a beamformee capability.)
1642  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1643  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1644  *      STA can transmit. Rate expressed in units of 1 Mbps.
1645  *      If this field is 0 this value should not be used to
1646  *      consider the highest TX data rate supported.
1647  *      The top 2 bits of this field are reserved, the
1648  *      3rd bit from the top indiciates VHT Extended NSS BW
1649  *      Capability.
1650  */
1651 struct ieee80211_vht_mcs_info {
1652         __le16 rx_mcs_map;
1653         __le16 rx_highest;
1654         __le16 tx_mcs_map;
1655         __le16 tx_highest;
1656 } __packed;
1657
1658 /* for rx_highest */
1659 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1660 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1661
1662 /* for tx_highest */
1663 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1664
1665 /**
1666  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1667  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1668  *      number of streams
1669  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1670  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1671  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1672  *
1673  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1674  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1675  * both split into 8 subfields by number of streams. These values indicate
1676  * which MCSes are supported for the number of streams the value appears
1677  * for.
1678  */
1679 enum ieee80211_vht_mcs_support {
1680         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1681         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1682         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1683         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1684 };
1685
1686 /**
1687  * struct ieee80211_vht_cap - VHT capabilities
1688  *
1689  * This structure is the "VHT capabilities element" as
1690  * described in 802.11ac D3.0 8.4.2.160
1691  * @vht_cap_info: VHT capability info
1692  * @supp_mcs: VHT MCS supported rates
1693  */
1694 struct ieee80211_vht_cap {
1695         __le32 vht_cap_info;
1696         struct ieee80211_vht_mcs_info supp_mcs;
1697 } __packed;
1698
1699 /**
1700  * enum ieee80211_vht_chanwidth - VHT channel width
1701  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1702  *      determine the channel width (20 or 40 MHz)
1703  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1704  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1705  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1706  */
1707 enum ieee80211_vht_chanwidth {
1708         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1709         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1710         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1711         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1712 };
1713
1714 /**
1715  * struct ieee80211_vht_operation - VHT operation IE
1716  *
1717  * This structure is the "VHT operation element" as
1718  * described in 802.11ac D3.0 8.4.2.161
1719  * @chan_width: Operating channel width
1720  * @center_freq_seg0_idx: center freq segment 0 index
1721  * @center_freq_seg1_idx: center freq segment 1 index
1722  * @basic_mcs_set: VHT Basic MCS rate set
1723  */
1724 struct ieee80211_vht_operation {
1725         u8 chan_width;
1726         u8 center_freq_seg0_idx;
1727         u8 center_freq_seg1_idx;
1728         __le16 basic_mcs_set;
1729 } __packed;
1730
1731 /**
1732  * struct ieee80211_he_cap_elem - HE capabilities element
1733  *
1734  * This structure is the "HE capabilities element" fixed fields as
1735  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1736  */
1737 struct ieee80211_he_cap_elem {
1738         u8 mac_cap_info[6];
1739         u8 phy_cap_info[11];
1740 } __packed;
1741
1742 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1743
1744 /**
1745  * enum ieee80211_he_mcs_support - HE MCS support definitions
1746  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1747  *      number of streams
1748  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1749  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1750  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1751  *
1752  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1753  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1754  * both split into 8 subfields by number of streams. These values indicate
1755  * which MCSes are supported for the number of streams the value appears
1756  * for.
1757  */
1758 enum ieee80211_he_mcs_support {
1759         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1760         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1761         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1762         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1763 };
1764
1765 /**
1766  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1767  *
1768  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1769  * described in P802.11ax_D2.0 section 9.4.2.237.4
1770  *
1771  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1772  *     widths less than 80MHz.
1773  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1774  *     widths less than 80MHz.
1775  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1776  *     width 160MHz.
1777  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1778  *     width 160MHz.
1779  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1780  *     channel width 80p80MHz.
1781  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1782  *     channel width 80p80MHz.
1783  */
1784 struct ieee80211_he_mcs_nss_supp {
1785         __le16 rx_mcs_80;
1786         __le16 tx_mcs_80;
1787         __le16 rx_mcs_160;
1788         __le16 tx_mcs_160;
1789         __le16 rx_mcs_80p80;
1790         __le16 tx_mcs_80p80;
1791 } __packed;
1792
1793 /**
1794  * struct ieee80211_he_operation - HE capabilities element
1795  *
1796  * This structure is the "HE operation element" fields as
1797  * described in P802.11ax_D4.0 section 9.4.2.243
1798  */
1799 struct ieee80211_he_operation {
1800         __le32 he_oper_params;
1801         __le16 he_mcs_nss_set;
1802         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1803         u8 optional[0];
1804 } __packed;
1805
1806 /**
1807  * struct ieee80211_he_spr - HE spatial reuse element
1808  *
1809  * This structure is the "HE spatial reuse element" element as
1810  * described in P802.11ax_D4.0 section 9.4.2.241
1811  */
1812 struct ieee80211_he_spr {
1813         u8 he_sr_control;
1814         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1815         u8 optional[0];
1816 } __packed;
1817
1818 /**
1819  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1820  *
1821  * This structure is the "MU AC Parameter Record" fields as
1822  * described in P802.11ax_D4.0 section 9.4.2.245
1823  */
1824 struct ieee80211_he_mu_edca_param_ac_rec {
1825         u8 aifsn;
1826         u8 ecw_min_max;
1827         u8 mu_edca_timer;
1828 } __packed;
1829
1830 /**
1831  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1832  *
1833  * This structure is the "MU EDCA Parameter Set element" fields as
1834  * described in P802.11ax_D4.0 section 9.4.2.245
1835  */
1836 struct ieee80211_mu_edca_param_set {
1837         u8 mu_qos_info;
1838         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1839         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1840         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1841         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1842 } __packed;
1843
1844 /* 802.11ac VHT Capabilities */
1845 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1846 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1847 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1848 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1849 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1850 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1851 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1852 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1853 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1854 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1855 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1856 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1857 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1858 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1859 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1860 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1861 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1862 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1863 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1864 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1865 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1866 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1867                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1868 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1869 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1870                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1871 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1872 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1873 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1874 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1875 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1876 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1877                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1878 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1879 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1880 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1881 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1882 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1883 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1884
1885 /**
1886  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1887  * @cap: VHT capabilities of the peer
1888  * @bw: bandwidth to use
1889  * @mcs: MCS index to use
1890  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1891  *      (rate scaling algorithm) can deal with the new logic
1892  *      (dot11VHTExtendedNSSBWCapable)
1893  * @max_vht_nss: current maximum NSS as advertised by the STA in
1894  *      operating mode notification, can be 0 in which case the
1895  *      capability data will be used to derive this (from MCS support)
1896  *
1897  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1898  * vary for a given BW/MCS. This function parses the data.
1899  *
1900  * Note: This function is exported by cfg80211.
1901  */
1902 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1903                               enum ieee80211_vht_chanwidth bw,
1904                               int mcs, bool ext_nss_bw_capable,
1905                               unsigned int max_vht_nss);
1906
1907 /* 802.11ax HE MAC capabilities */
1908 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1909 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1910 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1911 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1912 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1913 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1914 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1915 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1916 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1917 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1918 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1919 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1920 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1921 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1922 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1923 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1924 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1925
1926 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1927 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1928 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1929 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1930 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1931 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1932 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1933 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1934 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1935 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1936 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1937 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1938 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1939 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1940 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1941 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1942 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1943 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1944
1945 /* Link adaptation is split between byte HE_MAC_CAP1 and
1946  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1947  * in which case the following values apply:
1948  * 0 = No feedback.
1949  * 1 = reserved.
1950  * 2 = Unsolicited feedback.
1951  * 3 = both
1952  */
1953 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1954
1955 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1956 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1957 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1958 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1959 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1960 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1961 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1962 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1963
1964 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1965 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1966
1967 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1968  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1969  * same field in the HE capabilities.
1970  */
1971 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1972 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1973 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1974 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1975 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1976 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1977 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1978 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1979
1980 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1981 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1982 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1983 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1984 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1985 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1986 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1987 /* Multi TID agg TX is split between byte #4 and #5
1988  * The value is a combination of B39,B40,B41
1989  */
1990 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1991
1992 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1993 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1994 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1995 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1996 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1997 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1998 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1999 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2000
2001 /* 802.11ax HE PHY capabilities */
2002 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2003 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2004 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2005 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2006 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2007 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2008 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2009
2010 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2011 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2012 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2013 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2014 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2015 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2016 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2017 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2018 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2019 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2020
2021 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2022 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2023 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2024 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2025 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2026 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2027
2028 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2029  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2030  * case it indicates support for Tx.
2031  */
2032 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2033 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2034
2035 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2036 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2037 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2038 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2039 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2040 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2041 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2042 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2043 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2044 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2045 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2046 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2047 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2048 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2049 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
2050 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2051
2052 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2053 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2054
2055 /* Minimal allowed value of Max STS under 80MHz is 3 */
2056 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2057 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2058 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2059 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2060 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2061 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2062
2063 /* Minimal allowed value of Max STS above 80MHz is 3 */
2064 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2065 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2066 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2067 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2068 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2069 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2070
2071 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2072 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2073 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2074 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2075 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2076 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2077 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2078 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2079 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2080
2081 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2082 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2083 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2084 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2085 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2086 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2087 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2088 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2089 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2090
2091 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2092 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2093
2094 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2095 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2096 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
2097 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
2098 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2099 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2100 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2101 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2102
2103 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
2104 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
2105 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2106 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2107 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2108 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2109 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2110 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2111 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2112 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2113 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2114 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2115 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2116
2117 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2118 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2119 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2120 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2121 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2122 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2123 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2124 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2125 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2126 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2127 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2128
2129 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2130 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2131 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2132 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2133 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2134 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2135 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
2136 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
2137 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
2138 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
2139 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
2140
2141 /* 802.11ax HE TX/RX MCS NSS Support  */
2142 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2143 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2144 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2145 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2146 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2147
2148 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2149 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2150         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2151         HIGHEST_MCS_SUPPORTED_MCS8,
2152         HIGHEST_MCS_SUPPORTED_MCS9,
2153         HIGHEST_MCS_SUPPORTED_MCS10,
2154         HIGHEST_MCS_SUPPORTED_MCS11,
2155 };
2156
2157 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2158 static inline u8
2159 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2160 {
2161         u8 count = 4;
2162
2163         if (he_cap->phy_cap_info[0] &
2164             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2165                 count += 4;
2166
2167         if (he_cap->phy_cap_info[0] &
2168             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2169                 count += 4;
2170
2171         return count;
2172 }
2173
2174 /* 802.11ax HE PPE Thresholds */
2175 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2176 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2177 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2178 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2179         (BIT(5) | BIT(6))
2180 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2181 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2182 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2183
2184 /*
2185  * Calculate 802.11ax HE capabilities IE PPE field size
2186  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2187  */
2188 static inline u8
2189 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2190 {
2191         u8 n;
2192
2193         if ((phy_cap_info[6] &
2194              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2195                 return 0;
2196
2197         n = hweight8(ppe_thres_hdr &
2198                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2199         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2200                    IEEE80211_PPE_THRES_NSS_POS));
2201
2202         /*
2203          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2204          * total size.
2205          */
2206         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2207         n = DIV_ROUND_UP(n, 8);
2208
2209         return n;
2210 }
2211
2212 /* HE Operation defines */
2213 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2214 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2215 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2216 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2217 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2218 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2219 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2220 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2221 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2222 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2223 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2224 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2225
2226 /*
2227  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2228  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2229  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2230  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2231  *      validated this.
2232  * @return the actual size of the IE data (not including header), or 0 on error
2233  */
2234 static inline u8
2235 ieee80211_he_oper_size(const u8 *he_oper_ie)
2236 {
2237         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2238         u8 oper_len = sizeof(struct ieee80211_he_operation);
2239         u32 he_oper_params;
2240
2241         /* Make sure the input is not NULL */
2242         if (!he_oper_ie)
2243                 return 0;
2244
2245         /* Calc required length */
2246         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2247         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2248                 oper_len += 3;
2249         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2250                 oper_len++;
2251         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2252                 oper_len += 4;
2253
2254         /* Add the first byte (extension ID) to the total length */
2255         oper_len++;
2256
2257         return oper_len;
2258 }
2259
2260 /* HE Spatial Reuse defines */
2261 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 0x4
2262 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                0x8
2263
2264 /*
2265  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2266  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2267  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2268  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2269  *      this
2270  * @return the actual size of the IE data (not including header), or 0 on error
2271  */
2272 static inline u8
2273 ieee80211_he_spr_size(const u8 *he_spr_ie)
2274 {
2275         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2276         u8 spr_len = sizeof(struct ieee80211_he_spr);
2277         u8 he_spr_params;
2278
2279         /* Make sure the input is not NULL */
2280         if (!he_spr_ie)
2281                 return 0;
2282
2283         /* Calc required length */
2284         he_spr_params = he_spr->he_sr_control;
2285         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2286                 spr_len++;
2287         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2288                 spr_len += 18;
2289
2290         /* Add the first byte (extension ID) to the total length */
2291         spr_len++;
2292
2293         return spr_len;
2294 }
2295
2296 /* S1G Capabilities Information field */
2297 #define S1G_CAPAB_B0_S1G_LONG BIT(0)
2298 #define S1G_CAPAB_B0_SGI_1MHZ BIT(1)
2299 #define S1G_CAPAB_B0_SGI_2MHZ BIT(2)
2300 #define S1G_CAPAB_B0_SGI_4MHZ BIT(3)
2301 #define S1G_CAPAB_B0_SGI_8MHZ BIT(4)
2302 #define S1G_CAPAB_B0_SGI_16MHZ BIT(5)
2303 #define S1G_CAPAB_B0_SUPP_CH_WIDTH_MASK (BIT(6) | BIT(7))
2304 #define S1G_CAPAB_B0_SUPP_CH_WIDTH_SHIFT 6
2305
2306 #define S1G_CAPAB_B1_RX_LDPC BIT(0)
2307 #define S1G_CAPAB_B1_TX_STBC BIT(1)
2308 #define S1G_CAPAB_B1_RX_STBC BIT(2)
2309 #define S1G_CAPAB_B1_SU_BFER BIT(3)
2310 #define S1G_CAPAB_B1_SU_BFEE BIT(4)
2311 #define S1G_CAPAB_B1_BFEE_STS_MASK (BIT(5) | BIT(6) | BIT(7))
2312 #define S1G_CAPAB_B1_BFEE_STS_SHIFT 5
2313
2314 #define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_MASK (BIT(0) | BIT(1) | BIT(2))
2315 #define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_SHIFT 0
2316 #define S1G_CAPAB_B2_MU_BFER BIT(3)
2317 #define S1G_CAPAB_B2_MU_BFEE BIT(4)
2318 #define S1G_CAPAB_B2_PLUS_HTC_VHT BIT(5)
2319 #define S1G_CAPAB_B2_TRAVELING_PILOT_MASK (BIT(6) | BIT(7))
2320 #define S1G_CAPAB_B2_TRAVELING_PILOT_SHIFT 6
2321
2322 #define S1G_CAPAB_B3_RD_RESPONDER BIT(0)
2323 #define S1G_CAPAB_B3_HT_DELAYED_BA BIT(1)
2324 #define S1G_CAPAB_B3_MAX_MPDU_LEN BIT(2)
2325 #define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_MASK (BIT(3) | BIT(4))
2326 #define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_SHIFT 3
2327 #define S1G_CAPAB_B3_MIN_MPDU_START_MASK (BIT(5) | BIT(6) | BIT(7))
2328 #define S1G_CAPAB_B3_MIN_MPDU_START_SHIFT 5
2329
2330 #define S1G_CAPAB_B4_UPLINK_SYNC BIT(0)
2331 #define S1G_CAPAB_B4_DYNAMIC_AID BIT(1)
2332 #define S1G_CAPAB_B4_BAT BIT(2)
2333 #define S1G_CAPAB_B4_TIME_ADE BIT(3)
2334 #define S1G_CAPAB_B4_NON_TIM BIT(4)
2335 #define S1G_CAPAB_B4_GROUP_AID BIT(5)
2336 #define S1G_CAPAB_B4_STA_TYPE_MASK (BIT(6) | BIT(7))
2337 #define S1G_CAPAB_B4_STA_TYPE_SHIFT 6
2338
2339 #define S1G_CAPAB_B5_CENT_AUTH_CONTROL BIT(0)
2340 #define S1G_CAPAB_B5_DIST_AUTH_CONTROL BIT(1)
2341 #define S1G_CAPAB_B5_AMSDU BIT(2)
2342 #define S1G_CAPAB_B5_AMPDU BIT(3)
2343 #define S1G_CAPAB_B5_ASYMMETRIC_BA BIT(4)
2344 #define S1G_CAPAB_B5_FLOW_CONTROL BIT(5)
2345 #define S1G_CAPAB_B5_SECTORIZED_BEAM_MASK (BIT(6) | BIT(7))
2346 #define S1G_CAPAB_B5_SECTORIZED_BEAM_SHIFT 6
2347
2348 #define S1G_CAPAB_B6_OBSS_MITIGATION BIT(0)
2349 #define S1G_CAPAB_B6_FRAGMENT_BA BIT(1)
2350 #define S1G_CAPAB_B6_NDP_PS_POLL BIT(2)
2351 #define S1G_CAPAB_B6_RAW_OPERATION BIT(3)
2352 #define S1G_CAPAB_B6_PAGE_SLICING BIT(4)
2353 #define S1G_CAPAB_B6_TXOP_SHARING_IMP_ACK BIT(5)
2354 #define S1G_CAPAB_B6_VHT_LINK_ADAPT_MASK (BIT(6) | BIT(7))
2355 #define S1G_CAPAB_B6_VHT_LINK_ADAPT_SHIFT 6
2356
2357 #define S1G_CAPAB_B7_TACK_AS_PS_POLL BIT(0)
2358 #define S1G_CAPAB_B7_DUP_1MHZ BIT(1)
2359 #define S1G_CAPAB_B7_MCS_NEGOTIATION BIT(2)
2360 #define S1G_CAPAB_B7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2361 #define S1G_CAPAB_B7_NDP_BFING_REPORT_POLL BIT(4)
2362 #define S1G_CAPAB_B7_UNSOLICITED_DYN_AID BIT(5)
2363 #define S1G_CAPAB_B7_SECTOR_TRAINING_OPERATION BIT(6)
2364 #define S1G_CAPAB_B7_TEMP_PS_MODE_SWITCH BIT(7)
2365
2366 #define S1G_CAPAB_B8_TWT_GROUPING BIT(0)
2367 #define S1G_CAPAB_B8_BDT BIT(1)
2368 #define S1G_CAPAB_B8_COLOR_MASK (BIT(2) | BIT(3) | BIT(4))
2369 #define S1G_CAPAB_B8_COLOR_SHIFT 2
2370 #define S1G_CAPAB_B8_TWT_REQUEST BIT(5)
2371 #define S1G_CAPAB_B8_TWT_RESPOND BIT(6)
2372 #define S1G_CAPAB_B8_PV1_FRAME BIT(7)
2373
2374 #define S1G_CAPAB_B9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2375
2376 /* Authentication algorithms */
2377 #define WLAN_AUTH_OPEN 0
2378 #define WLAN_AUTH_SHARED_KEY 1
2379 #define WLAN_AUTH_FT 2
2380 #define WLAN_AUTH_SAE 3
2381 #define WLAN_AUTH_FILS_SK 4
2382 #define WLAN_AUTH_FILS_SK_PFS 5
2383 #define WLAN_AUTH_FILS_PK 6
2384 #define WLAN_AUTH_LEAP 128
2385
2386 #define WLAN_AUTH_CHALLENGE_LEN 128
2387
2388 #define WLAN_CAPABILITY_ESS             (1<<0)
2389 #define WLAN_CAPABILITY_IBSS            (1<<1)
2390
2391 /*
2392  * A mesh STA sets the ESS and IBSS capability bits to zero.
2393  * however, this holds true for p2p probe responses (in the p2p_find
2394  * phase) as well.
2395  */
2396 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2397         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2398
2399 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2400 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2401 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2402 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2403 #define WLAN_CAPABILITY_PBCC            (1<<6)
2404 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2405
2406 /* 802.11h */
2407 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2408 #define WLAN_CAPABILITY_QOS             (1<<9)
2409 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2410 #define WLAN_CAPABILITY_APSD            (1<<11)
2411 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2412 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2413 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2414 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2415
2416 /* DMG (60gHz) 802.11ad */
2417 /* type - bits 0..1 */
2418 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2419 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2420 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2421 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2422
2423 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2424 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2425 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2426 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2427
2428 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2429 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2430
2431 /* measurement */
2432 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2433 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2434 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2435
2436 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2437 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2438 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2439 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2440 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2441
2442 /* 802.11g ERP information element */
2443 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2444 #define WLAN_ERP_USE_PROTECTION (1<<1)
2445 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2446
2447 /* WLAN_ERP_BARKER_PREAMBLE values */
2448 enum {
2449         WLAN_ERP_PREAMBLE_SHORT = 0,
2450         WLAN_ERP_PREAMBLE_LONG = 1,
2451 };
2452
2453 /* Band ID, 802.11ad #8.4.1.45 */
2454 enum {
2455         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2456         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2457         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2458         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2459         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2460         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2461 };
2462
2463 /* Status codes */
2464 enum ieee80211_statuscode {
2465         WLAN_STATUS_SUCCESS = 0,
2466         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2467         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2468         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2469         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2470         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2471         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2472         WLAN_STATUS_CHALLENGE_FAIL = 15,
2473         WLAN_STATUS_AUTH_TIMEOUT = 16,
2474         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2475         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2476         /* 802.11b */
2477         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2478         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2479         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2480         /* 802.11h */
2481         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2482         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2483         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2484         /* 802.11g */
2485         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2486         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2487         /* 802.11w */
2488         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2489         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2490         /* 802.11i */
2491         WLAN_STATUS_INVALID_IE = 40,
2492         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2493         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2494         WLAN_STATUS_INVALID_AKMP = 43,
2495         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2496         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2497         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2498         /* 802.11e */
2499         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2500         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2501         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2502         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2503         WLAN_STATUS_REQUEST_DECLINED = 37,
2504         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2505         WLAN_STATUS_CHANGE_TSPEC = 39,
2506         WLAN_STATUS_WAIT_TS_DELAY = 47,
2507         WLAN_STATUS_NO_DIRECT_LINK = 48,
2508         WLAN_STATUS_STA_NOT_PRESENT = 49,
2509         WLAN_STATUS_STA_NOT_QSTA = 50,
2510         /* 802.11s */
2511         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2512         WLAN_STATUS_FCG_NOT_SUPP = 78,
2513         WLAN_STATUS_STA_NO_TBTT = 78,
2514         /* 802.11ad */
2515         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2516         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2517         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2518         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2519         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2520         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2521         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2522         WLAN_STATUS_REJECT_DSE_BAND = 96,
2523         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2524         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2525         /* 802.11ai */
2526         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2527         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2528 };
2529
2530
2531 /* Reason codes */
2532 enum ieee80211_reasoncode {
2533         WLAN_REASON_UNSPECIFIED = 1,
2534         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2535         WLAN_REASON_DEAUTH_LEAVING = 3,
2536         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2537         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2538         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2539         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2540         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2541         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2542         /* 802.11h */
2543         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2544         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2545         /* 802.11i */
2546         WLAN_REASON_INVALID_IE = 13,
2547         WLAN_REASON_MIC_FAILURE = 14,
2548         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2549         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2550         WLAN_REASON_IE_DIFFERENT = 17,
2551         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2552         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2553         WLAN_REASON_INVALID_AKMP = 20,
2554         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2555         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2556         WLAN_REASON_IEEE8021X_FAILED = 23,
2557         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2558         /* TDLS (802.11z) */
2559         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2560         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2561         /* 802.11e */
2562         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2563         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2564         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2565         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2566         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2567         WLAN_REASON_QSTA_NOT_USE = 37,
2568         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2569         WLAN_REASON_QSTA_TIMEOUT = 39,
2570         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2571         /* 802.11s */
2572         WLAN_REASON_MESH_PEER_CANCELED = 52,
2573         WLAN_REASON_MESH_MAX_PEERS = 53,
2574         WLAN_REASON_MESH_CONFIG = 54,
2575         WLAN_REASON_MESH_CLOSE = 55,
2576         WLAN_REASON_MESH_MAX_RETRIES = 56,
2577         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2578         WLAN_REASON_MESH_INVALID_GTK = 58,
2579         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2580         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2581         WLAN_REASON_MESH_PATH_ERROR = 61,
2582         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2583         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2584         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2585         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2586         WLAN_REASON_MESH_CHAN = 66,
2587 };
2588
2589
2590 /* Information Element IDs */
2591 enum ieee80211_eid {
2592         WLAN_EID_SSID = 0,
2593         WLAN_EID_SUPP_RATES = 1,
2594         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2595         WLAN_EID_DS_PARAMS = 3,
2596         WLAN_EID_CF_PARAMS = 4,
2597         WLAN_EID_TIM = 5,
2598         WLAN_EID_IBSS_PARAMS = 6,
2599         WLAN_EID_COUNTRY = 7,
2600         /* 8, 9 reserved */
2601         WLAN_EID_REQUEST = 10,
2602         WLAN_EID_QBSS_LOAD = 11,
2603         WLAN_EID_EDCA_PARAM_SET = 12,
2604         WLAN_EID_TSPEC = 13,
2605         WLAN_EID_TCLAS = 14,
2606         WLAN_EID_SCHEDULE = 15,
2607         WLAN_EID_CHALLENGE = 16,
2608         /* 17-31 reserved for challenge text extension */
2609         WLAN_EID_PWR_CONSTRAINT = 32,
2610         WLAN_EID_PWR_CAPABILITY = 33,
2611         WLAN_EID_TPC_REQUEST = 34,
2612         WLAN_EID_TPC_REPORT = 35,
2613         WLAN_EID_SUPPORTED_CHANNELS = 36,
2614         WLAN_EID_CHANNEL_SWITCH = 37,
2615         WLAN_EID_MEASURE_REQUEST = 38,
2616         WLAN_EID_MEASURE_REPORT = 39,
2617         WLAN_EID_QUIET = 40,
2618         WLAN_EID_IBSS_DFS = 41,
2619         WLAN_EID_ERP_INFO = 42,
2620         WLAN_EID_TS_DELAY = 43,
2621         WLAN_EID_TCLAS_PROCESSING = 44,
2622         WLAN_EID_HT_CAPABILITY = 45,
2623         WLAN_EID_QOS_CAPA = 46,
2624         /* 47 reserved for Broadcom */
2625         WLAN_EID_RSN = 48,
2626         WLAN_EID_802_15_COEX = 49,
2627         WLAN_EID_EXT_SUPP_RATES = 50,
2628         WLAN_EID_AP_CHAN_REPORT = 51,
2629         WLAN_EID_NEIGHBOR_REPORT = 52,
2630         WLAN_EID_RCPI = 53,
2631         WLAN_EID_MOBILITY_DOMAIN = 54,
2632         WLAN_EID_FAST_BSS_TRANSITION = 55,
2633         WLAN_EID_TIMEOUT_INTERVAL = 56,
2634         WLAN_EID_RIC_DATA = 57,
2635         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2636         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2637         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2638         WLAN_EID_HT_OPERATION = 61,
2639         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2640         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2641         WLAN_EID_ANTENNA_INFO = 64,
2642         WLAN_EID_RSNI = 65,
2643         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2644         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2645         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2646         WLAN_EID_TIME_ADVERTISEMENT = 69,
2647         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2648         WLAN_EID_MULTIPLE_BSSID = 71,
2649         WLAN_EID_BSS_COEX_2040 = 72,
2650         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2651         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2652         WLAN_EID_RIC_DESCRIPTOR = 75,
2653         WLAN_EID_MMIE = 76,
2654         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2655         WLAN_EID_EVENT_REQUEST = 78,
2656         WLAN_EID_EVENT_REPORT = 79,
2657         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2658         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2659         WLAN_EID_LOCATION_PARAMS = 82,
2660         WLAN_EID_NON_TX_BSSID_CAP =  83,
2661         WLAN_EID_SSID_LIST = 84,
2662         WLAN_EID_MULTI_BSSID_IDX = 85,
2663         WLAN_EID_FMS_DESCRIPTOR = 86,
2664         WLAN_EID_FMS_REQUEST = 87,
2665         WLAN_EID_FMS_RESPONSE = 88,
2666         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2667         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2668         WLAN_EID_TSF_REQUEST = 91,
2669         WLAN_EID_TSF_RESPOSNE = 92,
2670         WLAN_EID_WNM_SLEEP_MODE = 93,
2671         WLAN_EID_TIM_BCAST_REQ = 94,
2672         WLAN_EID_TIM_BCAST_RESP = 95,
2673         WLAN_EID_COLL_IF_REPORT = 96,
2674         WLAN_EID_CHANNEL_USAGE = 97,
2675         WLAN_EID_TIME_ZONE = 98,
2676         WLAN_EID_DMS_REQUEST = 99,
2677         WLAN_EID_DMS_RESPONSE = 100,
2678         WLAN_EID_LINK_ID = 101,
2679         WLAN_EID_WAKEUP_SCHEDUL = 102,
2680         /* 103 reserved */
2681         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2682         WLAN_EID_PTI_CONTROL = 105,
2683         WLAN_EID_PU_BUFFER_STATUS = 106,
2684         WLAN_EID_INTERWORKING = 107,
2685         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2686         WLAN_EID_EXPEDITED_BW_REQ = 109,
2687         WLAN_EID_QOS_MAP_SET = 110,
2688         WLAN_EID_ROAMING_CONSORTIUM = 111,
2689         WLAN_EID_EMERGENCY_ALERT = 112,
2690         WLAN_EID_MESH_CONFIG = 113,
2691         WLAN_EID_MESH_ID = 114,
2692         WLAN_EID_LINK_METRIC_REPORT = 115,
2693         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2694         WLAN_EID_PEER_MGMT = 117,
2695         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2696         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2697         WLAN_EID_BEACON_TIMING = 120,
2698         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2699         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2700         WLAN_EID_MCCAOP_ADVERT = 123,
2701         WLAN_EID_MCCAOP_TEARDOWN = 124,
2702         WLAN_EID_GANN = 125,
2703         WLAN_EID_RANN = 126,
2704         WLAN_EID_EXT_CAPABILITY = 127,
2705         /* 128, 129 reserved for Agere */
2706         WLAN_EID_PREQ = 130,
2707         WLAN_EID_PREP = 131,
2708         WLAN_EID_PERR = 132,
2709         /* 133-136 reserved for Cisco */
2710         WLAN_EID_PXU = 137,
2711         WLAN_EID_PXUC = 138,
2712         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2713         WLAN_EID_MIC = 140,
2714         WLAN_EID_DESTINATION_URI = 141,
2715         WLAN_EID_UAPSD_COEX = 142,
2716         WLAN_EID_WAKEUP_SCHEDULE = 143,
2717         WLAN_EID_EXT_SCHEDULE = 144,
2718         WLAN_EID_STA_AVAILABILITY = 145,
2719         WLAN_EID_DMG_TSPEC = 146,
2720         WLAN_EID_DMG_AT = 147,
2721         WLAN_EID_DMG_CAP = 148,
2722         /* 149 reserved for Cisco */
2723         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2724         WLAN_EID_DMG_OPERATION = 151,
2725         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2726         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2727         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2728         /* 155-156 reserved for Cisco */
2729         WLAN_EID_AWAKE_WINDOW = 157,
2730         WLAN_EID_MULTI_BAND = 158,
2731         WLAN_EID_ADDBA_EXT = 159,
2732         WLAN_EID_NEXT_PCP_LIST = 160,
2733         WLAN_EID_PCP_HANDOVER = 161,
2734         WLAN_EID_DMG_LINK_MARGIN = 162,
2735         WLAN_EID_SWITCHING_STREAM = 163,
2736         WLAN_EID_SESSION_TRANSITION = 164,
2737         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2738         WLAN_EID_CLUSTER_REPORT = 166,
2739         WLAN_EID_RELAY_CAP = 167,
2740         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2741         WLAN_EID_BEAM_LINK_MAINT = 169,
2742         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2743         WLAN_EID_U_PID = 171,
2744         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2745         /* 173 reserved for Symbol */
2746         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2747         WLAN_EID_QUIET_PERIOD_REQ = 175,
2748         /* 176 reserved for Symbol */
2749         WLAN_EID_QUIET_PERIOD_RESP = 177,
2750         /* 178-179 reserved for Symbol */
2751         /* 180 reserved for ISO/IEC 20011 */
2752         WLAN_EID_EPAC_POLICY = 182,
2753         WLAN_EID_CLISTER_TIME_OFF = 183,
2754         WLAN_EID_INTER_AC_PRIO = 184,
2755         WLAN_EID_SCS_DESCRIPTOR = 185,
2756         WLAN_EID_QLOAD_REPORT = 186,
2757         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2758         WLAN_EID_HL_STREAM_ID = 188,
2759         WLAN_EID_GCR_GROUP_ADDR = 189,
2760         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2761         WLAN_EID_VHT_CAPABILITY = 191,
2762         WLAN_EID_VHT_OPERATION = 192,
2763         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2764         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2765         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2766         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2767         WLAN_EID_AID = 197,
2768         WLAN_EID_QUIET_CHANNEL = 198,
2769         WLAN_EID_OPMODE_NOTIF = 199,
2770
2771         WLAN_EID_S1G_BCN_COMPAT = 213,
2772         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2773         WLAN_EID_S1G_CAPABILITIES = 217,
2774         WLAN_EID_VENDOR_SPECIFIC = 221,
2775         WLAN_EID_QOS_PARAMETER = 222,
2776         WLAN_EID_S1G_OPERATION = 232,
2777         WLAN_EID_CAG_NUMBER = 237,
2778         WLAN_EID_AP_CSN = 239,
2779         WLAN_EID_FILS_INDICATION = 240,
2780         WLAN_EID_DILS = 241,
2781         WLAN_EID_FRAGMENT = 242,
2782         WLAN_EID_RSNX = 244,
2783         WLAN_EID_EXTENSION = 255
2784 };
2785
2786 /* Element ID Extensions for Element ID 255 */
2787 enum ieee80211_eid_ext {
2788         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2789         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2790         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2791         WLAN_EID_EXT_FILS_SESSION = 4,
2792         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2793         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2794         WLAN_EID_EXT_KEY_DELIVERY = 7,
2795         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2796         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2797         WLAN_EID_EXT_FILS_NONCE = 13,
2798         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2799         WLAN_EID_EXT_HE_CAPABILITY = 35,
2800         WLAN_EID_EXT_HE_OPERATION = 36,
2801         WLAN_EID_EXT_UORA = 37,
2802         WLAN_EID_EXT_HE_MU_EDCA = 38,
2803         WLAN_EID_EXT_HE_SPR = 39,
2804         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2805         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2806         WLAN_EID_EXT_NON_INHERITANCE = 56,
2807 };
2808
2809 /* Action category code */
2810 enum ieee80211_category {
2811         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2812         WLAN_CATEGORY_QOS = 1,
2813         WLAN_CATEGORY_DLS = 2,
2814         WLAN_CATEGORY_BACK = 3,
2815         WLAN_CATEGORY_PUBLIC = 4,
2816         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2817         WLAN_CATEGORY_HT = 7,
2818         WLAN_CATEGORY_SA_QUERY = 8,
2819         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2820         WLAN_CATEGORY_WNM = 10,
2821         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2822         WLAN_CATEGORY_TDLS = 12,
2823         WLAN_CATEGORY_MESH_ACTION = 13,
2824         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2825         WLAN_CATEGORY_SELF_PROTECTED = 15,
2826         WLAN_CATEGORY_DMG = 16,
2827         WLAN_CATEGORY_WMM = 17,
2828         WLAN_CATEGORY_FST = 18,
2829         WLAN_CATEGORY_UNPROT_DMG = 20,
2830         WLAN_CATEGORY_VHT = 21,
2831         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2832         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2833 };
2834
2835 /* SPECTRUM_MGMT action code */
2836 enum ieee80211_spectrum_mgmt_actioncode {
2837         WLAN_ACTION_SPCT_MSR_REQ = 0,
2838         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2839         WLAN_ACTION_SPCT_TPC_REQ = 2,
2840         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2841         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2842 };
2843
2844 /* HT action codes */
2845 enum ieee80211_ht_actioncode {
2846         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2847         WLAN_HT_ACTION_SMPS = 1,
2848         WLAN_HT_ACTION_PSMP = 2,
2849         WLAN_HT_ACTION_PCO_PHASE = 3,
2850         WLAN_HT_ACTION_CSI = 4,
2851         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2852         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2853         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2854 };
2855
2856 /* VHT action codes */
2857 enum ieee80211_vht_actioncode {
2858         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2859         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2860         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2861 };
2862
2863 /* Self Protected Action codes */
2864 enum ieee80211_self_protected_actioncode {
2865         WLAN_SP_RESERVED = 0,
2866         WLAN_SP_MESH_PEERING_OPEN = 1,
2867         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2868         WLAN_SP_MESH_PEERING_CLOSE = 3,
2869         WLAN_SP_MGK_INFORM = 4,
2870         WLAN_SP_MGK_ACK = 5,
2871 };
2872
2873 /* Mesh action codes */
2874 enum ieee80211_mesh_actioncode {
2875         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2876         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2877         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2878         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2879         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2880         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2881         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2882         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2883         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2884         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2885         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2886 };
2887
2888 /* Security key length */
2889 enum ieee80211_key_len {
2890         WLAN_KEY_LEN_WEP40 = 5,
2891         WLAN_KEY_LEN_WEP104 = 13,
2892         WLAN_KEY_LEN_CCMP = 16,
2893         WLAN_KEY_LEN_CCMP_256 = 32,
2894         WLAN_KEY_LEN_TKIP = 32,
2895         WLAN_KEY_LEN_AES_CMAC = 16,
2896         WLAN_KEY_LEN_SMS4 = 32,
2897         WLAN_KEY_LEN_GCMP = 16,
2898         WLAN_KEY_LEN_GCMP_256 = 32,
2899         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2900         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2901         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2902 };
2903
2904 #define IEEE80211_WEP_IV_LEN            4
2905 #define IEEE80211_WEP_ICV_LEN           4
2906 #define IEEE80211_CCMP_HDR_LEN          8
2907 #define IEEE80211_CCMP_MIC_LEN          8
2908 #define IEEE80211_CCMP_PN_LEN           6
2909 #define IEEE80211_CCMP_256_HDR_LEN      8
2910 #define IEEE80211_CCMP_256_MIC_LEN      16
2911 #define IEEE80211_CCMP_256_PN_LEN       6
2912 #define IEEE80211_TKIP_IV_LEN           8
2913 #define IEEE80211_TKIP_ICV_LEN          4
2914 #define IEEE80211_CMAC_PN_LEN           6
2915 #define IEEE80211_GMAC_PN_LEN           6
2916 #define IEEE80211_GCMP_HDR_LEN          8
2917 #define IEEE80211_GCMP_MIC_LEN          16
2918 #define IEEE80211_GCMP_PN_LEN           6
2919
2920 #define FILS_NONCE_LEN                  16
2921 #define FILS_MAX_KEK_LEN                64
2922
2923 #define FILS_ERP_MAX_USERNAME_LEN       16
2924 #define FILS_ERP_MAX_REALM_LEN          253
2925 #define FILS_ERP_MAX_RRK_LEN            64
2926
2927 #define PMK_MAX_LEN                     64
2928 #define SAE_PASSWORD_MAX_LEN            128
2929
2930 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2931 enum ieee80211_pub_actioncode {
2932         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2933         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2934         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2935         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2936         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2937         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2938         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2939         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2940         WLAN_PUB_ACTION_DSE_PC = 8,
2941         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2942         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2943         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2944         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2945         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2946         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2947         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2948         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2949         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2950         WLAN_PUB_ACTION_QMF_POLICY = 18,
2951         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2952         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2953         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2954         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2955         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2956         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2957         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2958         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2959         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2960         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2961         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2962         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2963         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2964         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2965         WLAN_PUB_ACTION_FTM = 33,
2966         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2967 };
2968
2969 /* TDLS action codes */
2970 enum ieee80211_tdls_actioncode {
2971         WLAN_TDLS_SETUP_REQUEST = 0,
2972         WLAN_TDLS_SETUP_RESPONSE = 1,
2973         WLAN_TDLS_SETUP_CONFIRM = 2,
2974         WLAN_TDLS_TEARDOWN = 3,
2975         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2976         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2977         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2978         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2979         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2980         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2981         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2982 };
2983
2984 /* Extended Channel Switching capability to be set in the 1st byte of
2985  * the @WLAN_EID_EXT_CAPABILITY information element
2986  */
2987 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2988
2989 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2990  * @WLAN_EID_EXT_CAPABILITY information element
2991  */
2992 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2993
2994 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2995 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2996 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2997 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2998
2999 /* Interworking capabilities are set in 7th bit of 4th byte of the
3000  * @WLAN_EID_EXT_CAPABILITY information element
3001  */
3002 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3003
3004 /*
3005  * TDLS capabililites to be enabled in the 5th byte of the
3006  * @WLAN_EID_EXT_CAPABILITY information element
3007  */
3008 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3009 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3010 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3011
3012 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3013 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3014
3015 /* Defines the maximal number of MSDUs in an A-MSDU. */
3016 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3017 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3018
3019 /*
3020  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3021  * information element
3022  */
3023 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3024
3025 /* Defines support for TWT Requester and TWT Responder */
3026 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3027 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3028
3029 /*
3030  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3031  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3032  * 26-tone RU UL OFDMA transmissions as radar pulses).
3033  */
3034 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3035
3036 /* Defines support for enhanced multi-bssid advertisement*/
3037 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
3038
3039 /* TDLS specific payload type in the LLC/SNAP header */
3040 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3041
3042 /* BSS Coex IE information field bits */
3043 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3044
3045 /**
3046  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3047  *
3048  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3049  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3050  *      that will be specified in a vendor specific information element
3051  */
3052 enum ieee80211_mesh_sync_method {
3053         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3054         IEEE80211_SYNC_METHOD_VENDOR = 255,
3055 };
3056
3057 /**
3058  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3059  *
3060  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3061  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3062  *      be specified in a vendor specific information element
3063  */
3064 enum ieee80211_mesh_path_protocol {
3065         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3066         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3067 };
3068
3069 /**
3070  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3071  *
3072  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3073  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3074  *      specified in a vendor specific information element
3075  */
3076 enum ieee80211_mesh_path_metric {
3077         IEEE80211_PATH_METRIC_AIRTIME = 1,
3078         IEEE80211_PATH_METRIC_VENDOR = 255,
3079 };
3080
3081 /**
3082  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3083  *
3084  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3085  *
3086  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3087  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3088  *      this value
3089  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3090  *      the proactive PREQ with proactive PREP subfield set to 0
3091  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3092  *      supports the proactive PREQ with proactive PREP subfield set to 1
3093  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3094  *      the proactive RANN
3095  */
3096 enum ieee80211_root_mode_identifier {
3097         IEEE80211_ROOTMODE_NO_ROOT = 0,
3098         IEEE80211_ROOTMODE_ROOT = 1,
3099         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3100         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3101         IEEE80211_PROACTIVE_RANN = 4,
3102 };
3103
3104 /*
3105  * IEEE 802.11-2007 7.3.2.9 Country information element
3106  *
3107  * Minimum length is 8 octets, ie len must be evenly
3108  * divisible by 2
3109  */
3110
3111 /* Although the spec says 8 I'm seeing 6 in practice */
3112 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3113
3114 /* The Country String field of the element shall be 3 octets in length */
3115 #define IEEE80211_COUNTRY_STRING_LEN    3
3116
3117 /*
3118  * For regulatory extension stuff see IEEE 802.11-2007
3119  * Annex I (page 1141) and Annex J (page 1147). Also
3120  * review 7.3.2.9.
3121  *
3122  * When dot11RegulatoryClassesRequired is true and the
3123  * first_channel/reg_extension_id is >= 201 then the IE
3124  * compromises of the 'ext' struct represented below:
3125  *
3126  *  - Regulatory extension ID - when generating IE this just needs
3127  *    to be monotonically increasing for each triplet passed in
3128  *    the IE
3129  *  - Regulatory class - index into set of rules
3130  *  - Coverage class - index into air propagation time (Table 7-27),
3131  *    in microseconds, you can compute the air propagation time from
3132  *    the index by multiplying by 3, so index 10 yields a propagation
3133  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3134  *    yet. A value of 0 inicates air propagation of <= 1 us.
3135  *
3136  *  See also Table I.2 for Emission limit sets and table
3137  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3138  *  a reg_class to an emission limit set and behavior limit set.
3139  */
3140 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3141
3142 /*
3143  *  Channels numbers in the IE must be monotonically increasing
3144  *  if dot11RegulatoryClassesRequired is not true.
3145  *
3146  *  If dot11RegulatoryClassesRequired is true consecutive
3147  *  subband triplets following a regulatory triplet shall
3148  *  have monotonically increasing first_channel number fields.
3149  *
3150  *  Channel numbers shall not overlap.
3151  *
3152  *  Note that max_power is signed.
3153  */
3154 struct ieee80211_country_ie_triplet {
3155         union {
3156                 struct {
3157                         u8 first_channel;
3158                         u8 num_channels;
3159                         s8 max_power;
3160                 } __packed chans;
3161                 struct {
3162                         u8 reg_extension_id;
3163                         u8 reg_class;
3164                         u8 coverage_class;
3165                 } __packed ext;
3166         };
3167 } __packed;
3168
3169 enum ieee80211_timeout_interval_type {
3170         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3171         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3172         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3173 };
3174
3175 /**
3176  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3177  * @type: type, see &enum ieee80211_timeout_interval_type
3178  * @value: timeout interval value
3179  */
3180 struct ieee80211_timeout_interval_ie {
3181         u8 type;
3182         __le32 value;
3183 } __packed;
3184
3185 /**
3186  * enum ieee80211_idle_options - BSS idle options
3187  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3188  *      protected frame to the AP to reset the idle timer at the AP for
3189  *      the station.
3190  */
3191 enum ieee80211_idle_options {
3192         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3193 };
3194
3195 /**
3196  * struct ieee80211_bss_max_idle_period_ie
3197  *
3198  * This structure refers to "BSS Max idle period element"
3199  *
3200  * @max_idle_period: indicates the time period during which a station can
3201  *      refrain from transmitting frames to its associated AP without being
3202  *      disassociated. In units of 1000 TUs.
3203  * @idle_options: indicates the options associated with the BSS idle capability
3204  *      as specified in &enum ieee80211_idle_options.
3205  */
3206 struct ieee80211_bss_max_idle_period_ie {
3207         __le16 max_idle_period;
3208         u8 idle_options;
3209 } __packed;
3210
3211 /* BACK action code */
3212 enum ieee80211_back_actioncode {
3213         WLAN_ACTION_ADDBA_REQ = 0,
3214         WLAN_ACTION_ADDBA_RESP = 1,
3215         WLAN_ACTION_DELBA = 2,
3216 };
3217
3218 /* BACK (block-ack) parties */
3219 enum ieee80211_back_parties {
3220         WLAN_BACK_RECIPIENT = 0,
3221         WLAN_BACK_INITIATOR = 1,
3222 };
3223
3224 /* SA Query action */
3225 enum ieee80211_sa_query_action {
3226         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3227         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3228 };
3229
3230 /**
3231  * struct ieee80211_bssid_index
3232  *
3233  * This structure refers to "Multiple BSSID-index element"
3234  *
3235  * @bssid_index: BSSID index
3236  * @dtim_period: optional, overrides transmitted BSS dtim period
3237  * @dtim_count: optional, overrides transmitted BSS dtim count
3238  */
3239 struct ieee80211_bssid_index {
3240         u8 bssid_index;
3241         u8 dtim_period;
3242         u8 dtim_count;
3243 };
3244
3245 /**
3246  * struct ieee80211_multiple_bssid_configuration
3247  *
3248  * This structure refers to "Multiple BSSID Configuration element"
3249  *
3250  * @bssid_count: total number of active BSSIDs in the set
3251  * @profile_periodicity: the least number of beacon frames need to be received
3252  *      in order to discover all the nontransmitted BSSIDs in the set.
3253  */
3254 struct ieee80211_multiple_bssid_configuration {
3255         u8 bssid_count;
3256         u8 profile_periodicity;
3257 };
3258
3259 #define SUITE(oui, id) (((oui) << 8) | (id))
3260
3261 /* cipher suite selectors */
3262 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3263 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3264 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3265 /* reserved:                            SUITE(0x000FAC, 3) */
3266 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3267 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3268 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3269 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3270 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3271 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3272 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3273 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3274 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3275
3276 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3277
3278 /* AKM suite selectors */
3279 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3280 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3281 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3282 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3283 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3284 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3285 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3286 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3287 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3288 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3289 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3290 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3291 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3292 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3293 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3294 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3295
3296 #define WLAN_MAX_KEY_LEN                32
3297
3298 #define WLAN_PMK_NAME_LEN               16
3299 #define WLAN_PMKID_LEN                  16
3300 #define WLAN_PMK_LEN_EAP_LEAP           16
3301 #define WLAN_PMK_LEN                    32
3302 #define WLAN_PMK_LEN_SUITE_B_192        48
3303
3304 #define WLAN_OUI_WFA                    0x506f9a
3305 #define WLAN_OUI_TYPE_WFA_P2P           9
3306 #define WLAN_OUI_MICROSOFT              0x0050f2
3307 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3308 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3309 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3310 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3311
3312 /*
3313  * WMM/802.11e Tspec Element
3314  */
3315 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3316 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3317
3318 enum ieee80211_tspec_status_code {
3319         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3320         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3321 };
3322
3323 struct ieee80211_tspec_ie {
3324         u8 element_id;
3325         u8 len;
3326         u8 oui[3];
3327         u8 oui_type;
3328         u8 oui_subtype;
3329         u8 version;
3330         __le16 tsinfo;
3331         u8 tsinfo_resvd;
3332         __le16 nominal_msdu;
3333         __le16 max_msdu;
3334         __le32 min_service_int;
3335         __le32 max_service_int;
3336         __le32 inactivity_int;
3337         __le32 suspension_int;
3338         __le32 service_start_time;
3339         __le32 min_data_rate;
3340         __le32 mean_data_rate;
3341         __le32 peak_data_rate;
3342         __le32 max_burst_size;
3343         __le32 delay_bound;
3344         __le32 min_phy_rate;
3345         __le16 sba;
3346         __le16 medium_time;
3347 } __packed;
3348
3349 /**
3350  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3351  * @hdr: the frame
3352  *
3353  * The qos ctrl bytes come after the frame_control, duration, seq_num
3354  * and 3 or 4 addresses of length ETH_ALEN.
3355  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3356  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3357  */
3358 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3359 {
3360         if (ieee80211_has_a4(hdr->frame_control))
3361                 return (u8 *)hdr + 30;
3362         else
3363                 return (u8 *)hdr + 24;
3364 }
3365
3366 /**
3367  * ieee80211_get_tid - get qos TID
3368  * @hdr: the frame
3369  */
3370 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3371 {
3372         u8 *qc = ieee80211_get_qos_ctl(hdr);
3373
3374         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3375 }
3376
3377 /**
3378  * ieee80211_get_SA - get pointer to SA
3379  * @hdr: the frame
3380  *
3381  * Given an 802.11 frame, this function returns the offset
3382  * to the source address (SA). It does not verify that the
3383  * header is long enough to contain the address, and the
3384  * header must be long enough to contain the frame control
3385  * field.
3386  */
3387 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3388 {
3389         if (ieee80211_has_a4(hdr->frame_control))
3390                 return hdr->addr4;
3391         if (ieee80211_has_fromds(hdr->frame_control))
3392                 return hdr->addr3;
3393         return hdr->addr2;
3394 }
3395
3396 /**
3397  * ieee80211_get_DA - get pointer to DA
3398  * @hdr: the frame
3399  *
3400  * Given an 802.11 frame, this function returns the offset
3401  * to the destination address (DA). It does not verify that
3402  * the header is long enough to contain the address, and the
3403  * header must be long enough to contain the frame control
3404  * field.
3405  */
3406 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3407 {
3408         if (ieee80211_has_tods(hdr->frame_control))
3409                 return hdr->addr3;
3410         else
3411                 return hdr->addr1;
3412 }
3413
3414 /**
3415  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3416  * @hdr: the frame (buffer must include at least the first octet of payload)
3417  */
3418 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3419 {
3420         if (ieee80211_is_disassoc(hdr->frame_control) ||
3421             ieee80211_is_deauth(hdr->frame_control))
3422                 return true;
3423
3424         if (ieee80211_is_action(hdr->frame_control)) {
3425                 u8 *category;
3426
3427                 /*
3428                  * Action frames, excluding Public Action frames, are Robust
3429                  * Management Frames. However, if we are looking at a Protected
3430                  * frame, skip the check since the data may be encrypted and
3431                  * the frame has already been found to be a Robust Management
3432                  * Frame (by the other end).
3433                  */
3434                 if (ieee80211_has_protected(hdr->frame_control))
3435                         return true;
3436                 category = ((u8 *) hdr) + 24;
3437                 return *category != WLAN_CATEGORY_PUBLIC &&
3438                         *category != WLAN_CATEGORY_HT &&
3439                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3440                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3441                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3442                         *category != WLAN_CATEGORY_VHT &&
3443                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3444         }
3445
3446         return false;
3447 }
3448
3449 /**
3450  * ieee80211_is_public_action - check if frame is a public action frame
3451  * @hdr: the frame
3452  * @len: length of the frame
3453  */
3454 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3455                                               size_t len)
3456 {
3457         struct ieee80211_mgmt *mgmt = (void *)hdr;
3458
3459         if (len < IEEE80211_MIN_ACTION_SIZE)
3460                 return false;
3461         if (!ieee80211_is_action(hdr->frame_control))
3462                 return false;
3463         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3464 }
3465
3466 static inline bool is_multicast_ether_addr(const u8 *a)
3467 {
3468         return 0x01 & a[0];
3469 }
3470
3471 /**
3472  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3473  * privacy action frame
3474  * @hdr: the frame
3475  */
3476 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3477 {
3478         struct ieee80211_mgmt *mgmt = (void *)hdr;
3479
3480         if (!ieee80211_is_action(hdr->frame_control) ||
3481             !is_multicast_ether_addr(hdr->addr1))
3482                 return false;
3483
3484         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3485                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3486 }
3487
3488 /**
3489  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3490  * @tu: the TUs
3491  */
3492 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3493 {
3494         return 1024 * tu;
3495 }
3496
3497 /**
3498  * ieee80211_check_tim - check if AID bit is set in TIM
3499  * @tim: the TIM IE
3500  * @tim_len: length of the TIM IE
3501  * @aid: the AID to look for
3502  */
3503 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3504                                        u8 tim_len, u16 aid)
3505 {
3506         u8 mask;
3507         u8 indexn0, indexn1, indexn2;
3508
3509         if (unlikely(!tim || tim_len < sizeof(*tim)))
3510                 return false;
3511
3512         aid &= 0x3fff;
3513         indexn0 = aid / 8;
3514         mask  = 1 << (aid & 7);
3515
3516         indexn1 = tim->bitmap_ctrl & 0xfe;
3517         indexn2 = tim_len + indexn1 - 4;
3518
3519         if (indexn0 < indexn1 || indexn0 > indexn2)
3520                 return false;
3521
3522         indexn0 -= indexn1;
3523
3524         return !!(tim->virtual_map[indexn0] & mask);
3525 }
3526
3527 /* convert time units */
3528 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3529 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3530
3531 struct element {
3532         u8 id;
3533         u8 datalen;
3534         u8 data[];
3535 } __packed;
3536
3537 /* element iteration helpers */
3538 #define for_each_element(_elem, _data, _datalen)                        \
3539         for (_elem = (const struct element *)(_data);                   \
3540              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3541                 (int)sizeof(*_elem) &&                                  \
3542              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3543                 (int)sizeof(*_elem) + _elem->datalen;                   \
3544              _elem = (const struct element *)(_elem->data + _elem->datalen))
3545
3546 #define for_each_element_id(element, _id, data, datalen)                \
3547         for_each_element(element, data, datalen)                        \
3548                 if (element->id == (_id))
3549
3550 #define for_each_element_extid(element, extid, _data, _datalen)         \
3551         for_each_element(element, _data, _datalen)                      \
3552                 if (element->id == WLAN_EID_EXTENSION &&                \
3553                     element->datalen > 0 &&                             \
3554                     element->data[0] == (extid))
3555
3556 #define for_each_subelement(sub, element)                               \
3557         for_each_element(sub, (element)->data, (element)->datalen)
3558
3559 #define for_each_subelement_id(sub, id, element)                        \
3560         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3561
3562 #define for_each_subelement_extid(sub, extid, element)                  \
3563         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3564
3565 /* convert frequencies */
3566 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3567 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3568 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3569 #define KHZ_F "%d.%03d"
3570
3571 /* convert powers */
3572 #define DBI_TO_MBI(gain) ((gain) * 100)
3573 #define MBI_TO_DBI(gain) ((gain) / 100)
3574 #define DBM_TO_MBM(gain) ((gain) * 100)
3575 #define MBM_TO_DBM(gain) ((gain) / 100)
3576
3577 /**
3578  * for_each_element_completed - determine if element parsing consumed all data
3579  * @element: element pointer after for_each_element() or friends
3580  * @data: same data pointer as passed to for_each_element() or friends
3581  * @datalen: same data length as passed to for_each_element() or friends
3582  *
3583  * This function returns %true if all the data was parsed or considered
3584  * while walking the elements. Only use this if your for_each_element()
3585  * loop cannot be broken out of, otherwise it always returns %false.
3586  *
3587  * If some data was malformed, this returns %false since the last parsed
3588  * element will not fill the whole remaining data.
3589  */
3590 static inline bool for_each_element_completed(const struct element *element,
3591                                               const void *data, size_t datalen)
3592 {
3593         return (const u8 *)element == (const u8 *)data + datalen;
3594 }
3595
3596 /**
3597  * RSNX Capabilities:
3598  * bits 0-3: Field length (n-1)
3599  */
3600 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3601 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3602
3603 #endif /* __LINUX_IEEE80211_H */