include/linux/ieee80211.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * IEEE 802.11 defines
   4  *
   5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   6  * <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   8  * Copyright (c) 2005, Devicescape Software, Inc.
   9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12  * Copyright (c) 2018 - 2023 Intel Corporation
  13  */
  14
  15 #ifndef __LINUX_IEEE80211_H
  16 #define __LINUX_IEEE80211_H
  17
  18 /*
  19  * DS bit usage
  20  *
  21  * TA = transmitter address
  22  * RA = receiver address
  23  * DA = destination address
  24  * SA = source address
  25  *
  26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  27  * -----------------------------------------------------------------
  28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  29  *  0       1       DA      BSSID   SA      -       AP -> STA
  30  *  1       0       BSSID   SA      DA      -       AP <- STA
  31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  32  */
  33
  34 #define FCS_LEN 4
  35
  36 #define IEEE80211_FCTL_VERS             0x0003
  37 #define IEEE80211_FCTL_FTYPE            0x000c
  38 #define IEEE80211_FCTL_STYPE            0x00f0
  39 #define IEEE80211_FCTL_TODS             0x0100
  40 #define IEEE80211_FCTL_FROMDS           0x0200
  41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  42 #define IEEE80211_FCTL_RETRY            0x0800
  43 #define IEEE80211_FCTL_PM               0x1000
  44 #define IEEE80211_FCTL_MOREDATA         0x2000
  45 #define IEEE80211_FCTL_PROTECTED        0x4000
  46 #define IEEE80211_FCTL_ORDER            0x8000
  47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  48
  49 #define IEEE80211_SCTL_FRAG             0x000F
  50 #define IEEE80211_SCTL_SEQ              0xFFF0
  51
  52 #define IEEE80211_FTYPE_MGMT            0x0000
  53 #define IEEE80211_FTYPE_CTL             0x0004
  54 #define IEEE80211_FTYPE_DATA            0x0008
  55 #define IEEE80211_FTYPE_EXT             0x000c
  56
  57 /* management */
  58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  64 #define IEEE80211_STYPE_BEACON          0x0080
  65 #define IEEE80211_STYPE_ATIM            0x0090
  66 #define IEEE80211_STYPE_DISASSOC        0x00A0
  67 #define IEEE80211_STYPE_AUTH            0x00B0
  68 #define IEEE80211_STYPE_DEAUTH          0x00C0
  69 #define IEEE80211_STYPE_ACTION          0x00D0
  70
  71 /* control */
  72 #define IEEE80211_STYPE_TRIGGER         0x0020
  73 #define IEEE80211_STYPE_CTL_EXT         0x0060
  74 #define IEEE80211_STYPE_BACK_REQ        0x0080
  75 #define IEEE80211_STYPE_BACK            0x0090
  76 #define IEEE80211_STYPE_PSPOLL          0x00A0
  77 #define IEEE80211_STYPE_RTS             0x00B0
  78 #define IEEE80211_STYPE_CTS             0x00C0
  79 #define IEEE80211_STYPE_ACK             0x00D0
  80 #define IEEE80211_STYPE_CFEND           0x00E0
  81 #define IEEE80211_STYPE_CFENDACK        0x00F0
  82
  83 /* data */
  84 #define IEEE80211_STYPE_DATA                    0x0000
  85 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  86 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  87 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  88 #define IEEE80211_STYPE_NULLFUNC                0x0040
  89 #define IEEE80211_STYPE_CFACK                   0x0050
  90 #define IEEE80211_STYPE_CFPOLL                  0x0060
  91 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  92 #define IEEE80211_STYPE_QOS_DATA                0x0080
  93 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  94 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
  95 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
  96 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
  97 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
  98 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
  99 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 100
 101 /* extension, added by 802.11ad */
 102 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 103 #define IEEE80211_STYPE_S1G_BEACON              0x0010
 104
 105 /* bits unique to S1G beacon */
 106 #define IEEE80211_S1G_BCN_NEXT_TBTT     0x100
 107
 108 /* see 802.11ah-2016 9.9 NDP CMAC frames */
 109 #define IEEE80211_S1G_1MHZ_NDP_BITS     25
 110 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
 111 #define IEEE80211_S1G_2MHZ_NDP_BITS     37
 112 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
 113
 114 #define IEEE80211_NDP_FTYPE_CTS                 0
 115 #define IEEE80211_NDP_FTYPE_CF_END              0
 116 #define IEEE80211_NDP_FTYPE_PS_POLL             1
 117 #define IEEE80211_NDP_FTYPE_ACK                 2
 118 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK         3
 119 #define IEEE80211_NDP_FTYPE_BA                  4
 120 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL      5
 121 #define IEEE80211_NDP_FTYPE_PAGING              6
 122 #define IEEE80211_NDP_FTYPE_PREQ                7
 123
 124 #define SM64(f, v)      ((((u64)v) << f##_S) & f)
 125
 126 /* NDP CMAC frame fields */
 127 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
 128 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
 129
 130 /* 1M Probe Request 11ah 9.9.3.1.1 */
 131 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
 132 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
 133 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
 134 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
 135 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
 136 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
 137 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 138 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 139 /* 2M Probe Request 11ah 9.9.3.1.2 */
 140 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
 141 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
 142 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
 143 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
 144 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
 145 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
 146
 147 #define IEEE80211_ANO_NETTYPE_WILD              15
 148
 149 /* bits unique to S1G beacon */
 150 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
 151
 152 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 153 #define IEEE80211_CTL_EXT_POLL          0x2000
 154 #define IEEE80211_CTL_EXT_SPR           0x3000
 155 #define IEEE80211_CTL_EXT_GRANT 0x4000
 156 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 157 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 158 #define IEEE80211_CTL_EXT_SSW           0x8000
 159 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 160 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 161
 162
 163 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 164 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 165 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 166
 167
 168 /* PV1 Layout 11ah 9.8.3.1 */
 169 #define IEEE80211_PV1_FCTL_VERS         0x0003
 170 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 171 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 172 #define IEEE80211_PV1_FCTL_TODS         0x0100
 173 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 174 #define IEEE80211_PV1_FCTL_PM           0x0400
 175 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 176 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 177 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 178 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 179 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 180 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 181
 182 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 183 {
 184         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 185 }
 186
 187 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 188 {
 189         return (sn1 + sn2) & IEEE80211_SN_MASK;
 190 }
 191
 192 static inline u16 ieee80211_sn_inc(u16 sn)
 193 {
 194         return ieee80211_sn_add(sn, 1);
 195 }
 196
 197 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 198 {
 199         return (sn1 - sn2) & IEEE80211_SN_MASK;
 200 }
 201
 202 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 203 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 204
 205 /* miscellaneous IEEE 802.11 constants */
 206 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 207 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 208 #define IEEE80211_MAX_AID               2007
 209 #define IEEE80211_MAX_AID_S1G           8191
 210 #define IEEE80211_MAX_TIM_LEN           251
 211 #define IEEE80211_MAX_MESH_PEERINGS     63
 212 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 213    6.2.1.1.2.
 214
 215    802.11e clarifies the figure in section 7.1.2. The frame body is
 216    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 217 #define IEEE80211_MAX_DATA_LEN          2304
 218 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 219  * to 7920 bytes, see 8.2.3 General frame format
 220  */
 221 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 222 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 223 #define IEEE80211_MAX_FRAME_LEN         2352
 224
 225 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 226 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 227
 228 /* Maximal size of an A-MSDU */
 229 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 230 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 231
 232 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 233 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 234 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 235
 236 #define IEEE80211_MAX_SSID_LEN          32
 237
 238 #define IEEE80211_MAX_MESH_ID_LEN       32
 239
 240 #define IEEE80211_FIRST_TSPEC_TSID      8
 241 #define IEEE80211_NUM_TIDS              16
 242
 243 /* number of user priorities 802.11 uses */
 244 #define IEEE80211_NUM_UPS               8
 245 /* number of ACs */
 246 #define IEEE80211_NUM_ACS               4
 247
 248 #define IEEE80211_QOS_CTL_LEN           2
 249 /* 1d tag mask */
 250 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 251 /* TID mask */
 252 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 253 /* EOSP */
 254 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 255 /* ACK policy */
 256 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 257 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 258 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 259 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 260 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 261 /* A-MSDU 802.11n */
 262 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 263 /* Mesh Control 802.11s */
 264 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 265
 266 /* U-APSD queue for WMM IEs sent by AP */
 267 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 268 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 269
 270 /* U-APSD queues for WMM IEs sent by STA */
 271 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 272 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 273 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 274 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 275 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 276
 277 /* U-APSD max SP length for WMM IEs sent by STA */
 278 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 279 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 280 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 281 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 282 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 283 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 284
 285 #define IEEE80211_HT_CTL_LEN            4
 286
 287 /* trigger type within common_info of trigger frame */
 288 #define IEEE80211_TRIGGER_TYPE_MASK             0xf
 289 #define IEEE80211_TRIGGER_TYPE_BASIC            0x0
 290 #define IEEE80211_TRIGGER_TYPE_BFRP             0x1
 291 #define IEEE80211_TRIGGER_TYPE_MU_BAR           0x2
 292 #define IEEE80211_TRIGGER_TYPE_MU_RTS           0x3
 293 #define IEEE80211_TRIGGER_TYPE_BSRP             0x4
 294 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR       0x5
 295 #define IEEE80211_TRIGGER_TYPE_BQRP             0x6
 296 #define IEEE80211_TRIGGER_TYPE_NFRP             0x7
 297
 298 struct ieee80211_hdr {
 299         __le16 frame_control;
 300         __le16 duration_id;
 301         u8 addr1[6];
 302         u8 addr2[6];
 303         u8 addr3[6];
 304         __le16 seq_ctrl;
 305         u8 addr4[6];
 306 } __packed __aligned(2);
 307
 308 struct ieee80211_hdr_3addr {
 309         __le16 frame_control;
 310         __le16 duration_id;
 311         struct_group(addrs,
 312                 u8 addr1[6];
 313                 u8 addr2[6];
 314                 u8 addr3[6];
 315         );
 316         __le16 seq_ctrl;
 317 } __packed __aligned(2);
 318
 319 struct ieee80211_qos_hdr {
 320         __le16 frame_control;
 321         __le16 duration_id;
 322         u8 addr1[6];
 323         u8 addr2[6];
 324         u8 addr3[6];
 325         __le16 seq_ctrl;
 326         __le16 qos_ctrl;
 327 } __packed __aligned(2);
 328
 329 struct ieee80211_qos_hdr_4addr {
 330         __le16 frame_control;
 331         __le16 duration_id;
 332         u8 addr1[6];
 333         u8 addr2[6];
 334         u8 addr3[6];
 335         __le16 seq_ctrl;
 336         u8 addr4[6];
 337         __le16 qos_ctrl;
 338 } __packed __aligned(2);
 339
 340 struct ieee80211_trigger {
 341         __le16 frame_control;
 342         __le16 duration;
 343         u8 ra[6];
 344         u8 ta[6];
 345         __le64 common_info;
 346         u8 variable[];
 347 } __packed __aligned(2);
 348
 349 /**
 350  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 351  * @fc: frame control bytes in little-endian byteorder
 352  */
 353 static inline bool ieee80211_has_tods(__le16 fc)
 354 {
 355         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 356 }
 357
 358 /**
 359  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 360  * @fc: frame control bytes in little-endian byteorder
 361  */
 362 static inline bool ieee80211_has_fromds(__le16 fc)
 363 {
 364         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 365 }
 366
 367 /**
 368  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 369  * @fc: frame control bytes in little-endian byteorder
 370  */
 371 static inline bool ieee80211_has_a4(__le16 fc)
 372 {
 373         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 374         return (fc & tmp) == tmp;
 375 }
 376
 377 /**
 378  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 379  * @fc: frame control bytes in little-endian byteorder
 380  */
 381 static inline bool ieee80211_has_morefrags(__le16 fc)
 382 {
 383         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 384 }
 385
 386 /**
 387  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 388  * @fc: frame control bytes in little-endian byteorder
 389  */
 390 static inline bool ieee80211_has_retry(__le16 fc)
 391 {
 392         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 393 }
 394
 395 /**
 396  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 397  * @fc: frame control bytes in little-endian byteorder
 398  */
 399 static inline bool ieee80211_has_pm(__le16 fc)
 400 {
 401         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 402 }
 403
 404 /**
 405  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 406  * @fc: frame control bytes in little-endian byteorder
 407  */
 408 static inline bool ieee80211_has_moredata(__le16 fc)
 409 {
 410         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 411 }
 412
 413 /**
 414  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 415  * @fc: frame control bytes in little-endian byteorder
 416  */
 417 static inline bool ieee80211_has_protected(__le16 fc)
 418 {
 419         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 420 }
 421
 422 /**
 423  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 424  * @fc: frame control bytes in little-endian byteorder
 425  */
 426 static inline bool ieee80211_has_order(__le16 fc)
 427 {
 428         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 429 }
 430
 431 /**
 432  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 433  * @fc: frame control bytes in little-endian byteorder
 434  */
 435 static inline bool ieee80211_is_mgmt(__le16 fc)
 436 {
 437         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 438                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 439 }
 440
 441 /**
 442  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 443  * @fc: frame control bytes in little-endian byteorder
 444  */
 445 static inline bool ieee80211_is_ctl(__le16 fc)
 446 {
 447         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 448                cpu_to_le16(IEEE80211_FTYPE_CTL);
 449 }
 450
 451 /**
 452  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 453  * @fc: frame control bytes in little-endian byteorder
 454  */
 455 static inline bool ieee80211_is_data(__le16 fc)
 456 {
 457         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 458                cpu_to_le16(IEEE80211_FTYPE_DATA);
 459 }
 460
 461 /**
 462  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 463  * @fc: frame control bytes in little-endian byteorder
 464  */
 465 static inline bool ieee80211_is_ext(__le16 fc)
 466 {
 467         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 468                cpu_to_le16(IEEE80211_FTYPE_EXT);
 469 }
 470
 471
 472 /**
 473  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 474  * @fc: frame control bytes in little-endian byteorder
 475  */
 476 static inline bool ieee80211_is_data_qos(__le16 fc)
 477 {
 478         /*
 479          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 480          * to check the one bit
 481          */
 482         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 483                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 484 }
 485
 486 /**
 487  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 488  * @fc: frame control bytes in little-endian byteorder
 489  */
 490 static inline bool ieee80211_is_data_present(__le16 fc)
 491 {
 492         /*
 493          * mask with 0x40 and test that that bit is clear to only return true
 494          * for the data-containing substypes.
 495          */
 496         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 497                cpu_to_le16(IEEE80211_FTYPE_DATA);
 498 }
 499
 500 /**
 501  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 502  * @fc: frame control bytes in little-endian byteorder
 503  */
 504 static inline bool ieee80211_is_assoc_req(__le16 fc)
 505 {
 506         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 507                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 508 }
 509
 510 /**
 511  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 512  * @fc: frame control bytes in little-endian byteorder
 513  */
 514 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 515 {
 516         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 517                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 518 }
 519
 520 /**
 521  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 522  * @fc: frame control bytes in little-endian byteorder
 523  */
 524 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 525 {
 526         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 527                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 528 }
 529
 530 /**
 531  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 532  * @fc: frame control bytes in little-endian byteorder
 533  */
 534 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 535 {
 536         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 537                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 538 }
 539
 540 /**
 541  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 542  * @fc: frame control bytes in little-endian byteorder
 543  */
 544 static inline bool ieee80211_is_probe_req(__le16 fc)
 545 {
 546         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 547                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 548 }
 549
 550 /**
 551  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 552  * @fc: frame control bytes in little-endian byteorder
 553  */
 554 static inline bool ieee80211_is_probe_resp(__le16 fc)
 555 {
 556         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 557                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 558 }
 559
 560 /**
 561  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 562  * @fc: frame control bytes in little-endian byteorder
 563  */
 564 static inline bool ieee80211_is_beacon(__le16 fc)
 565 {
 566         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 567                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 568 }
 569
 570 /**
 571  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 572  * IEEE80211_STYPE_S1G_BEACON
 573  * @fc: frame control bytes in little-endian byteorder
 574  */
 575 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 576 {
 577         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 578                                  IEEE80211_FCTL_STYPE)) ==
 579                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 580 }
 581
 582 /**
 583  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 584  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 585  * @fc: frame control bytes in little-endian byteorder
 586  */
 587 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 588 {
 589         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 590                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 591                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 592 }
 593
 594 /**
 595  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 596  * true for S1G beacons when they're short.
 597  * @fc: frame control bytes in little-endian byteorder
 598  */
 599 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 600 {
 601         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 602 }
 603
 604 /**
 605  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 606  * @fc: frame control bytes in little-endian byteorder
 607  */
 608 static inline bool ieee80211_is_atim(__le16 fc)
 609 {
 610         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 611                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 612 }
 613
 614 /**
 615  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 616  * @fc: frame control bytes in little-endian byteorder
 617  */
 618 static inline bool ieee80211_is_disassoc(__le16 fc)
 619 {
 620         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 621                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 622 }
 623
 624 /**
 625  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 626  * @fc: frame control bytes in little-endian byteorder
 627  */
 628 static inline bool ieee80211_is_auth(__le16 fc)
 629 {
 630         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 631                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 632 }
 633
 634 /**
 635  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 636  * @fc: frame control bytes in little-endian byteorder
 637  */
 638 static inline bool ieee80211_is_deauth(__le16 fc)
 639 {
 640         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 641                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 642 }
 643
 644 /**
 645  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 646  * @fc: frame control bytes in little-endian byteorder
 647  */
 648 static inline bool ieee80211_is_action(__le16 fc)
 649 {
 650         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 651                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 652 }
 653
 654 /**
 655  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 656  * @fc: frame control bytes in little-endian byteorder
 657  */
 658 static inline bool ieee80211_is_back_req(__le16 fc)
 659 {
 660         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 661                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 662 }
 663
 664 /**
 665  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 666  * @fc: frame control bytes in little-endian byteorder
 667  */
 668 static inline bool ieee80211_is_back(__le16 fc)
 669 {
 670         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 671                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 672 }
 673
 674 /**
 675  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 676  * @fc: frame control bytes in little-endian byteorder
 677  */
 678 static inline bool ieee80211_is_pspoll(__le16 fc)
 679 {
 680         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 681                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 682 }
 683
 684 /**
 685  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 686  * @fc: frame control bytes in little-endian byteorder
 687  */
 688 static inline bool ieee80211_is_rts(__le16 fc)
 689 {
 690         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 691                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 692 }
 693
 694 /**
 695  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 696  * @fc: frame control bytes in little-endian byteorder
 697  */
 698 static inline bool ieee80211_is_cts(__le16 fc)
 699 {
 700         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 701                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 702 }
 703
 704 /**
 705  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 706  * @fc: frame control bytes in little-endian byteorder
 707  */
 708 static inline bool ieee80211_is_ack(__le16 fc)
 709 {
 710         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 711                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 712 }
 713
 714 /**
 715  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 716  * @fc: frame control bytes in little-endian byteorder
 717  */
 718 static inline bool ieee80211_is_cfend(__le16 fc)
 719 {
 720         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 721                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 722 }
 723
 724 /**
 725  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 726  * @fc: frame control bytes in little-endian byteorder
 727  */
 728 static inline bool ieee80211_is_cfendack(__le16 fc)
 729 {
 730         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 731                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 732 }
 733
 734 /**
 735  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 736  * @fc: frame control bytes in little-endian byteorder
 737  */
 738 static inline bool ieee80211_is_nullfunc(__le16 fc)
 739 {
 740         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 741                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 742 }
 743
 744 /**
 745  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 746  * @fc: frame control bytes in little-endian byteorder
 747  */
 748 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 749 {
 750         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 751                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 752 }
 753
 754 static inline unsigned int ieee80211_hdrlen(__le16 fc)
 755 {
 756         unsigned int hdrlen = 24;
 757
 758         if (ieee80211_has_a4(fc))
 759                 hdrlen = 30;
 760
 761         if (ieee80211_is_data_qos(fc)) {
 762                 hdrlen += IEEE80211_QOS_CTL_LEN;
 763                 if (ieee80211_has_order(fc))
 764                         hdrlen += IEEE80211_HT_CTL_LEN;
 765         }
 766
 767         return hdrlen;
 768 }
 769
 770 /**
 771  * ieee80211_is_trigger - check if frame is trigger frame
 772  * @fc: frame control field in little-endian byteorder
 773  */
 774 static inline bool ieee80211_is_trigger(__le16 fc)
 775 {
 776         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 777                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 778 }
 779
 780 /**
 781  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 782  * @fc: frame control bytes in little-endian byteorder
 783  */
 784 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 785 {
 786         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 787 }
 788
 789 /**
 790  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 791  * @fc: frame control field in little-endian byteorder
 792  */
 793 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 794 {
 795         /* IEEE 802.11-2012, definition of "bufferable management frame";
 796          * note that this ignores the IBSS special case. */
 797         return ieee80211_is_mgmt(fc) &&
 798                (ieee80211_is_action(fc) ||
 799                 ieee80211_is_disassoc(fc) ||
 800                 ieee80211_is_deauth(fc));
 801 }
 802
 803 /**
 804  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 805  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 806  */
 807 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 808 {
 809         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 810 }
 811
 812 /**
 813  * ieee80211_is_frag - check if a frame is a fragment
 814  * @hdr: 802.11 header of the frame
 815  */
 816 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 817 {
 818         return ieee80211_has_morefrags(hdr->frame_control) ||
 819                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 820 }
 821
 822 struct ieee80211s_hdr {
 823         u8 flags;
 824         u8 ttl;
 825         __le32 seqnum;
 826         u8 eaddr1[6];
 827         u8 eaddr2[6];
 828 } __packed __aligned(2);
 829
 830 /* Mesh flags */
 831 #define MESH_FLAGS_AE_A4        0x1
 832 #define MESH_FLAGS_AE_A5_A6     0x2
 833 #define MESH_FLAGS_AE           0x3
 834 #define MESH_FLAGS_PS_DEEP      0x4
 835
 836 /**
 837  * enum ieee80211_preq_flags - mesh PREQ element flags
 838  *
 839  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 840  */
 841 enum ieee80211_preq_flags {
 842         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 843 };
 844
 845 /**
 846  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 847  *
 848  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 849  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 850  */
 851 enum ieee80211_preq_target_flags {
 852         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 853         IEEE80211_PREQ_USN_FLAG = 1<<2,
 854 };
 855
 856 /**
 857  * struct ieee80211_quiet_ie
 858  *
 859  * This structure refers to "Quiet information element"
 860  */
 861 struct ieee80211_quiet_ie {
 862         u8 count;
 863         u8 period;
 864         __le16 duration;
 865         __le16 offset;
 866 } __packed;
 867
 868 /**
 869  * struct ieee80211_msrment_ie
 870  *
 871  * This structure refers to "Measurement Request/Report information element"
 872  */
 873 struct ieee80211_msrment_ie {
 874         u8 token;
 875         u8 mode;
 876         u8 type;
 877         u8 request[];
 878 } __packed;
 879
 880 /**
 881  * struct ieee80211_channel_sw_ie
 882  *
 883  * This structure refers to "Channel Switch Announcement information element"
 884  */
 885 struct ieee80211_channel_sw_ie {
 886         u8 mode;
 887         u8 new_ch_num;
 888         u8 count;
 889 } __packed;
 890
 891 /**
 892  * struct ieee80211_ext_chansw_ie
 893  *
 894  * This structure represents the "Extended Channel Switch Announcement element"
 895  */
 896 struct ieee80211_ext_chansw_ie {
 897         u8 mode;
 898         u8 new_operating_class;
 899         u8 new_ch_num;
 900         u8 count;
 901 } __packed;
 902
 903 /**
 904  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 905  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 906  *      values here
 907  * This structure represents the "Secondary Channel Offset element"
 908  */
 909 struct ieee80211_sec_chan_offs_ie {
 910         u8 sec_chan_offs;
 911 } __packed;
 912
 913 /**
 914  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 915  *
 916  * This structure represents the "Mesh Channel Switch Paramters element"
 917  */
 918 struct ieee80211_mesh_chansw_params_ie {
 919         u8 mesh_ttl;
 920         u8 mesh_flags;
 921         __le16 mesh_reason;
 922         __le16 mesh_pre_value;
 923 } __packed;
 924
 925 /**
 926  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 927  */
 928 struct ieee80211_wide_bw_chansw_ie {
 929         u8 new_channel_width;
 930         u8 new_center_freq_seg0, new_center_freq_seg1;
 931 } __packed;
 932
 933 /**
 934  * struct ieee80211_tim
 935  *
 936  * This structure refers to "Traffic Indication Map information element"
 937  */
 938 struct ieee80211_tim_ie {
 939         u8 dtim_count;
 940         u8 dtim_period;
 941         u8 bitmap_ctrl;
 942         /* variable size: 1 - 251 bytes */
 943         u8 virtual_map[1];
 944 } __packed;
 945
 946 /**
 947  * struct ieee80211_meshconf_ie
 948  *
 949  * This structure refers to "Mesh Configuration information element"
 950  */
 951 struct ieee80211_meshconf_ie {
 952         u8 meshconf_psel;
 953         u8 meshconf_pmetric;
 954         u8 meshconf_congest;
 955         u8 meshconf_synch;
 956         u8 meshconf_auth;
 957         u8 meshconf_form;
 958         u8 meshconf_cap;
 959 } __packed;
 960
 961 /**
 962  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 963  *
 964  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 965  *      additional mesh peerings with other mesh STAs
 966  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 967  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 968  *      is ongoing
 969  */
 970 enum mesh_config_capab_flags {
 971         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 972         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 973         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 974 };
 975
 976 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 977
 978 /**
 979  * mesh channel switch parameters element's flag indicator
 980  *
 981  */
 982 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 983 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 984 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 985
 986 /**
 987  * struct ieee80211_rann_ie
 988  *
 989  * This structure refers to "Root Announcement information element"
 990  */
 991 struct ieee80211_rann_ie {
 992         u8 rann_flags;
 993         u8 rann_hopcount;
 994         u8 rann_ttl;
 995         u8 rann_addr[6];
 996         __le32 rann_seq;
 997         __le32 rann_interval;
 998         __le32 rann_metric;
 999 } __packed;
1000
1001 enum ieee80211_rann_flags {
1002         RANN_FLAG_IS_GATE = 1 << 0,
1003 };
1004
1005 enum ieee80211_ht_chanwidth_values {
1006         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1007         IEEE80211_HT_CHANWIDTH_ANY = 1,
1008 };
1009
1010 /**
1011  * enum ieee80211_opmode_bits - VHT operating mode field bits
1012  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1013  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1014  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1015  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1016  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1017  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1018  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1019  *      (the NSS value is the value of this field + 1)
1020  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1021  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1022  *      using a beamforming steering matrix
1023  */
1024 enum ieee80211_vht_opmode_bits {
1025         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1026         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1027         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1028         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1029         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1030         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1031         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1032         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1033         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1034 };
1035
1036 /**
1037  * enum ieee80211_s1g_chanwidth
1038  * These are defined in IEEE802.11-2016ah Table 10-20
1039  * as BSS Channel Width
1040  *
1041  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1042  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1043  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1044  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1045  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1046  */
1047 enum ieee80211_s1g_chanwidth {
1048         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1049         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1050         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1051         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1052         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1053 };
1054
1055 #define WLAN_SA_QUERY_TR_ID_LEN 2
1056 #define WLAN_MEMBERSHIP_LEN 8
1057 #define WLAN_USER_POSITION_LEN 16
1058
1059 /**
1060  * struct ieee80211_tpc_report_ie
1061  *
1062  * This structure refers to "TPC Report element"
1063  */
1064 struct ieee80211_tpc_report_ie {
1065         u8 tx_power;
1066         u8 link_margin;
1067 } __packed;
1068
1069 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1070 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1071 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1072 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1073 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1074
1075 struct ieee80211_addba_ext_ie {
1076         u8 data;
1077 } __packed;
1078
1079 /**
1080  * struct ieee80211_s1g_bcn_compat_ie
1081  *
1082  * S1G Beacon Compatibility element
1083  */
1084 struct ieee80211_s1g_bcn_compat_ie {
1085         __le16 compat_info;
1086         __le16 beacon_int;
1087         __le32 tsf_completion;
1088 } __packed;
1089
1090 /**
1091  * struct ieee80211_s1g_oper_ie
1092  *
1093  * S1G Operation element
1094  */
1095 struct ieee80211_s1g_oper_ie {
1096         u8 ch_width;
1097         u8 oper_class;
1098         u8 primary_ch;
1099         u8 oper_ch;
1100         __le16 basic_mcs_nss;
1101 } __packed;
1102
1103 /**
1104  * struct ieee80211_aid_response_ie
1105  *
1106  * AID Response element
1107  */
1108 struct ieee80211_aid_response_ie {
1109         __le16 aid;
1110         u8 switch_count;
1111         __le16 response_int;
1112 } __packed;
1113
1114 struct ieee80211_s1g_cap {
1115         u8 capab_info[10];
1116         u8 supp_mcs_nss[5];
1117 } __packed;
1118
1119 struct ieee80211_ext {
1120         __le16 frame_control;
1121         __le16 duration;
1122         union {
1123                 struct {
1124                         u8 sa[6];
1125                         __le32 timestamp;
1126                         u8 change_seq;
1127                         u8 variable[0];
1128                 } __packed s1g_beacon;
1129                 struct {
1130                         u8 sa[6];
1131                         __le32 timestamp;
1132                         u8 change_seq;
1133                         u8 next_tbtt[3];
1134                         u8 variable[0];
1135                 } __packed s1g_short_beacon;
1136         } u;
1137 } __packed __aligned(2);
1138
1139 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1140 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1141 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1142 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1143 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1144
1145 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1146 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1147 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1148 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1149 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1150 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1151 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1152 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1153
1154 enum ieee80211_twt_setup_cmd {
1155         TWT_SETUP_CMD_REQUEST,
1156         TWT_SETUP_CMD_SUGGEST,
1157         TWT_SETUP_CMD_DEMAND,
1158         TWT_SETUP_CMD_GROUPING,
1159         TWT_SETUP_CMD_ACCEPT,
1160         TWT_SETUP_CMD_ALTERNATE,
1161         TWT_SETUP_CMD_DICTATE,
1162         TWT_SETUP_CMD_REJECT,
1163 };
1164
1165 struct ieee80211_twt_params {
1166         __le16 req_type;
1167         __le64 twt;
1168         u8 min_twt_dur;
1169         __le16 mantissa;
1170         u8 channel;
1171 } __packed;
1172
1173 struct ieee80211_twt_setup {
1174         u8 dialog_token;
1175         u8 element_id;
1176         u8 length;
1177         u8 control;
1178         u8 params[];
1179 } __packed;
1180
1181 struct ieee80211_mgmt {
1182         __le16 frame_control;
1183         __le16 duration;
1184         u8 da[6];
1185         u8 sa[6];
1186         u8 bssid[6];
1187         __le16 seq_ctrl;
1188         union {
1189                 struct {
1190                         __le16 auth_alg;
1191                         __le16 auth_transaction;
1192                         __le16 status_code;
1193                         /* possibly followed by Challenge text */
1194                         u8 variable[];
1195                 } __packed __aligned(4) auth;
1196                 struct {
1197                         __le16 reason_code;
1198                 } __packed __aligned(4) deauth;
1199                 struct {
1200                         __le16 capab_info;
1201                         __le16 listen_interval;
1202                         /* followed by SSID and Supported rates */
1203                         u8 variable[];
1204                 } __packed __aligned(4) assoc_req;
1205                 struct {
1206                         __le16 capab_info;
1207                         __le16 status_code;
1208                         __le16 aid;
1209                         /* followed by Supported rates */
1210                         u8 variable[];
1211                 } __packed __aligned(4) assoc_resp, reassoc_resp;
1212                 struct {
1213                         __le16 capab_info;
1214                         __le16 status_code;
1215                         u8 variable[];
1216                 } __packed __aligned(4) s1g_assoc_resp, s1g_reassoc_resp;
1217                 struct {
1218                         __le16 capab_info;
1219                         __le16 listen_interval;
1220                         u8 current_ap[6];
1221                         /* followed by SSID and Supported rates */
1222                         u8 variable[];
1223                 } __packed __aligned(4) reassoc_req;
1224                 struct {
1225                         __le16 reason_code;
1226                 } __packed __aligned(4) disassoc;
1227                 struct {
1228                         __le64 timestamp;
1229                         __le16 beacon_int;
1230                         __le16 capab_info;
1231                         /* followed by some of SSID, Supported rates,
1232                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1233                         u8 variable[];
1234                 } __packed __aligned(4) beacon;
1235                 struct {
1236                         /* only variable items: SSID, Supported rates */
1237                         DECLARE_FLEX_ARRAY(u8, variable);
1238                 } __packed __aligned(4) probe_req;
1239                 struct {
1240                         __le64 timestamp;
1241                         __le16 beacon_int;
1242                         __le16 capab_info;
1243                         /* followed by some of SSID, Supported rates,
1244                          * FH Params, DS Params, CF Params, IBSS Params */
1245                         u8 variable[];
1246                 } __packed __aligned(4) probe_resp;
1247                 struct {
1248                         u8 category;
1249                         union {
1250                                 struct {
1251                                         u8 action_code;
1252                                         u8 dialog_token;
1253                                         u8 status_code;
1254                                         u8 variable[];
1255                                 } __packed wme_action;
1256                                 struct{
1257                                         u8 action_code;
1258                                         u8 variable[];
1259                                 } __packed chan_switch;
1260                                 struct{
1261                                         u8 action_code;
1262                                         struct ieee80211_ext_chansw_ie data;
1263                                         u8 variable[];
1264                                 } __packed ext_chan_switch;
1265                                 struct{
1266                                         u8 action_code;
1267                                         u8 dialog_token;
1268                                         u8 element_id;
1269                                         u8 length;
1270                                         struct ieee80211_msrment_ie msr_elem;
1271                                 } __packed measurement;
1272                                 struct{
1273                                         u8 action_code;
1274                                         u8 dialog_token;
1275                                         __le16 capab;
1276                                         __le16 timeout;
1277                                         __le16 start_seq_num;
1278                                         /* followed by BA Extension */
1279                                         u8 variable[];
1280                                 } __packed addba_req;
1281                                 struct{
1282                                         u8 action_code;
1283                                         u8 dialog_token;
1284                                         __le16 status;
1285                                         __le16 capab;
1286                                         __le16 timeout;
1287                                 } __packed addba_resp;
1288                                 struct{
1289                                         u8 action_code;
1290                                         __le16 params;
1291                                         __le16 reason_code;
1292                                 } __packed delba;
1293                                 struct {
1294                                         u8 action_code;
1295                                         u8 variable[];
1296                                 } __packed self_prot;
1297                                 struct{
1298                                         u8 action_code;
1299                                         u8 variable[];
1300                                 } __packed mesh_action;
1301                                 struct {
1302                                         u8 action;
1303                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1304                                 } __packed sa_query;
1305                                 struct {
1306                                         u8 action;
1307                                         u8 smps_control;
1308                                 } __packed ht_smps;
1309                                 struct {
1310                                         u8 action_code;
1311                                         u8 chanwidth;
1312                                 } __packed ht_notify_cw;
1313                                 struct {
1314                                         u8 action_code;
1315                                         u8 dialog_token;
1316                                         __le16 capability;
1317                                         u8 variable[0];
1318                                 } __packed tdls_discover_resp;
1319                                 struct {
1320                                         u8 action_code;
1321                                         u8 operating_mode;
1322                                 } __packed vht_opmode_notif;
1323                                 struct {
1324                                         u8 action_code;
1325                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1326                                         u8 position[WLAN_USER_POSITION_LEN];
1327                                 } __packed vht_group_notif;
1328                                 struct {
1329                                         u8 action_code;
1330                                         u8 dialog_token;
1331                                         u8 tpc_elem_id;
1332                                         u8 tpc_elem_length;
1333                                         struct ieee80211_tpc_report_ie tpc;
1334                                 } __packed tpc_report;
1335                                 struct {
1336                                         u8 action_code;
1337                                         u8 dialog_token;
1338                                         u8 follow_up;
1339                                         u8 tod[6];
1340                                         u8 toa[6];
1341                                         __le16 tod_error;
1342                                         __le16 toa_error;
1343                                         u8 variable[];
1344                                 } __packed ftm;
1345                                 struct {
1346                                         u8 action_code;
1347                                         u8 variable[];
1348                                 } __packed s1g;
1349                                 struct {
1350                                         u8 action_code;
1351                                         u8 dialog_token;
1352                                         u8 follow_up;
1353                                         u32 tod;
1354                                         u32 toa;
1355                                         u8 max_tod_error;
1356                                         u8 max_toa_error;
1357                                 } __packed wnm_timing_msr;
1358                         } u;
1359                 } __packed __aligned(4) action;
1360                 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1361         } u __aligned(2);
1362 } __packed __aligned(2);
1363
1364 /* Supported rates membership selectors */
1365 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1366 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1367 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1368 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1369
1370 /* mgmt header + 1 byte category code */
1371 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1372
1373
1374 /* Management MIC information element (IEEE 802.11w) */
1375 struct ieee80211_mmie {
1376         u8 element_id;
1377         u8 length;
1378         __le16 key_id;
1379         u8 sequence_number[6];
1380         u8 mic[8];
1381 } __packed;
1382
1383 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1384 struct ieee80211_mmie_16 {
1385         u8 element_id;
1386         u8 length;
1387         __le16 key_id;
1388         u8 sequence_number[6];
1389         u8 mic[16];
1390 } __packed;
1391
1392 struct ieee80211_vendor_ie {
1393         u8 element_id;
1394         u8 len;
1395         u8 oui[3];
1396         u8 oui_type;
1397 } __packed;
1398
1399 struct ieee80211_wmm_ac_param {
1400         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1401         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1402         __le16 txop_limit;
1403 } __packed;
1404
1405 struct ieee80211_wmm_param_ie {
1406         u8 element_id; /* Element ID: 221 (0xdd); */
1407         u8 len; /* Length: 24 */
1408         /* required fields for WMM version 1 */
1409         u8 oui[3]; /* 00:50:f2 */
1410         u8 oui_type; /* 2 */
1411         u8 oui_subtype; /* 1 */
1412         u8 version; /* 1 for WMM version 1.0 */
1413         u8 qos_info; /* AP/STA specific QoS info */
1414         u8 reserved; /* 0 */
1415         /* AC_BE, AC_BK, AC_VI, AC_VO */
1416         struct ieee80211_wmm_ac_param ac[4];
1417 } __packed;
1418
1419 /* Control frames */
1420 struct ieee80211_rts {
1421         __le16 frame_control;
1422         __le16 duration;
1423         u8 ra[6];
1424         u8 ta[6];
1425 } __packed __aligned(2);
1426
1427 struct ieee80211_cts {
1428         __le16 frame_control;
1429         __le16 duration;
1430         u8 ra[6];
1431 } __packed __aligned(2);
1432
1433 struct ieee80211_pspoll {
1434         __le16 frame_control;
1435         __le16 aid;
1436         u8 bssid[6];
1437         u8 ta[6];
1438 } __packed __aligned(2);
1439
1440 /* TDLS */
1441
1442 /* Channel switch timing */
1443 struct ieee80211_ch_switch_timing {
1444         __le16 switch_time;
1445         __le16 switch_timeout;
1446 } __packed;
1447
1448 /* Link-id information element */
1449 struct ieee80211_tdls_lnkie {
1450         u8 ie_type; /* Link Identifier IE */
1451         u8 ie_len;
1452         u8 bssid[6];
1453         u8 init_sta[6];
1454         u8 resp_sta[6];
1455 } __packed;
1456
1457 struct ieee80211_tdls_data {
1458         u8 da[6];
1459         u8 sa[6];
1460         __be16 ether_type;
1461         u8 payload_type;
1462         u8 category;
1463         u8 action_code;
1464         union {
1465                 struct {
1466                         u8 dialog_token;
1467                         __le16 capability;
1468                         u8 variable[0];
1469                 } __packed setup_req;
1470                 struct {
1471                         __le16 status_code;
1472                         u8 dialog_token;
1473                         __le16 capability;
1474                         u8 variable[0];
1475                 } __packed setup_resp;
1476                 struct {
1477                         __le16 status_code;
1478                         u8 dialog_token;
1479                         u8 variable[0];
1480                 } __packed setup_cfm;
1481                 struct {
1482                         __le16 reason_code;
1483                         u8 variable[0];
1484                 } __packed teardown;
1485                 struct {
1486                         u8 dialog_token;
1487                         u8 variable[0];
1488                 } __packed discover_req;
1489                 struct {
1490                         u8 target_channel;
1491                         u8 oper_class;
1492                         u8 variable[0];
1493                 } __packed chan_switch_req;
1494                 struct {
1495                         __le16 status_code;
1496                         u8 variable[0];
1497                 } __packed chan_switch_resp;
1498         } u;
1499 } __packed;
1500
1501 /*
1502  * Peer-to-Peer IE attribute related definitions.
1503  */
1504 /**
1505  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1506  */
1507 enum ieee80211_p2p_attr_id {
1508         IEEE80211_P2P_ATTR_STATUS = 0,
1509         IEEE80211_P2P_ATTR_MINOR_REASON,
1510         IEEE80211_P2P_ATTR_CAPABILITY,
1511         IEEE80211_P2P_ATTR_DEVICE_ID,
1512         IEEE80211_P2P_ATTR_GO_INTENT,
1513         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1514         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1515         IEEE80211_P2P_ATTR_GROUP_BSSID,
1516         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1517         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1518         IEEE80211_P2P_ATTR_MANAGABILITY,
1519         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1520         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1521         IEEE80211_P2P_ATTR_DEVICE_INFO,
1522         IEEE80211_P2P_ATTR_GROUP_INFO,
1523         IEEE80211_P2P_ATTR_GROUP_ID,
1524         IEEE80211_P2P_ATTR_INTERFACE,
1525         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1526         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1527         /* 19 - 220: Reserved */
1528         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1529
1530         IEEE80211_P2P_ATTR_MAX
1531 };
1532
1533 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1534 /* Typical max value used here */
1535 #define IEEE80211_P2P_NOA_DESC_MAX      4
1536
1537 struct ieee80211_p2p_noa_desc {
1538         u8 count;
1539         __le32 duration;
1540         __le32 interval;
1541         __le32 start_time;
1542 } __packed;
1543
1544 struct ieee80211_p2p_noa_attr {
1545         u8 index;
1546         u8 oppps_ctwindow;
1547         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1548 } __packed;
1549
1550 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1551 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1552
1553 /**
1554  * struct ieee80211_bar - HT Block Ack Request
1555  *
1556  * This structure refers to "HT BlockAckReq" as
1557  * described in 802.11n draft section 7.2.1.7.1
1558  */
1559 struct ieee80211_bar {
1560         __le16 frame_control;
1561         __le16 duration;
1562         __u8 ra[6];
1563         __u8 ta[6];
1564         __le16 control;
1565         __le16 start_seq_num;
1566 } __packed __aligned(2);
1567
1568 /* 802.11 BA(R) control masks */
1569 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1570 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1571 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1572 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1573 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1574
1575 /**
1576  * struct ieee80211_ba - HT Block Ack
1577  *
1578  * This structure refers to "HT BlockAck" as
1579  * described in 802.11n draft section 7.2.1.8.1
1580  */
1581 struct ieee80211_ba {
1582         __le16 frame_control;
1583         __le16 duration;
1584         u8 ra[6];
1585         u8 ta[6];
1586         __le16 control;
1587
1588         __le16 start_seq_num;
1589         u8 bitmap[8];
1590 } __packed;
1591
1592 #define IEEE80211_HT_MCS_MASK_LEN               10
1593
1594 /**
1595  * struct ieee80211_mcs_info - MCS information
1596  * @rx_mask: RX mask
1597  * @rx_highest: highest supported RX rate. If set represents
1598  *      the highest supported RX data rate in units of 1 Mbps.
1599  *      If this field is 0 this value should not be used to
1600  *      consider the highest RX data rate supported.
1601  * @tx_params: TX parameters
1602  */
1603 struct ieee80211_mcs_info {
1604         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1605         __le16 rx_highest;
1606         u8 tx_params;
1607         u8 reserved[3];
1608 } __packed;
1609
1610 /* 802.11n HT capability MSC set */
1611 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1612 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1613 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1614 /* value 0 == 1 stream etc */
1615 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1616 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1617 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1618 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1619
1620 /*
1621  * 802.11n D5.0 20.3.5 / 20.6 says:
1622  * - indices 0 to 7 and 32 are single spatial stream
1623  * - 8 to 31 are multiple spatial streams using equal modulation
1624  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1625  * - remainder are multiple spatial streams using unequal modulation
1626  */
1627 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1628 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1629         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1630
1631 /**
1632  * struct ieee80211_ht_cap - HT capabilities
1633  *
1634  * This structure is the "HT capabilities element" as
1635  * described in 802.11n D5.0 7.3.2.57
1636  */
1637 struct ieee80211_ht_cap {
1638         __le16 cap_info;
1639         u8 ampdu_params_info;
1640
1641         /* 16 bytes MCS information */
1642         struct ieee80211_mcs_info mcs;
1643
1644         __le16 extended_ht_cap_info;
1645         __le32 tx_BF_cap_info;
1646         u8 antenna_selection_info;
1647 } __packed;
1648
1649 /* 802.11n HT capabilities masks (for cap_info) */
1650 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1651 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1652 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1653 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1654 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1655 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1656 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1657 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1658 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1659 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1660 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1661 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1662 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1663 #define IEEE80211_HT_CAP_RESERVED               0x2000
1664 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1665 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1666
1667 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1668 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1669 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1670 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1671 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1672 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1673 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1674 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1675
1676 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1677 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1678 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1679 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1680
1681 /*
1682  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1683  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1684  */
1685 enum ieee80211_max_ampdu_length_exp {
1686         IEEE80211_HT_MAX_AMPDU_8K = 0,
1687         IEEE80211_HT_MAX_AMPDU_16K = 1,
1688         IEEE80211_HT_MAX_AMPDU_32K = 2,
1689         IEEE80211_HT_MAX_AMPDU_64K = 3
1690 };
1691
1692 /*
1693  * Maximum length of AMPDU that the STA can receive in VHT.
1694  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1695  */
1696 enum ieee80211_vht_max_ampdu_length_exp {
1697         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1698         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1699         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1700         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1701         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1702         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1703         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1704         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1705 };
1706
1707 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1708
1709 /* Minimum MPDU start spacing */
1710 enum ieee80211_min_mpdu_spacing {
1711         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1712         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1713         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1714         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1715         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1716         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1717         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1718         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1719 };
1720
1721 /**
1722  * struct ieee80211_ht_operation - HT operation IE
1723  *
1724  * This structure is the "HT operation element" as
1725  * described in 802.11n-2009 7.3.2.57
1726  */
1727 struct ieee80211_ht_operation {
1728         u8 primary_chan;
1729         u8 ht_param;
1730         __le16 operation_mode;
1731         __le16 stbc_param;
1732         u8 basic_set[16];
1733 } __packed;
1734
1735 /* for ht_param */
1736 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1737 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1738 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1739 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1740 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1741 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1742
1743 /* for operation_mode */
1744 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1745 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1746 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1747 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1748 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1749 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1750 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1751 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1752 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1753
1754 /* for stbc_param */
1755 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1756 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1757 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1758 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1759 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1760 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1761
1762
1763 /* block-ack parameters */
1764 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1765 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1766 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1767 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1768 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1769 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1770
1771 /*
1772  * A-MPDU buffer sizes
1773  * According to HT size varies from 8 to 64 frames
1774  * HE adds the ability to have up to 256 frames.
1775  * EHT adds the ability to have up to 1K frames.
1776  */
1777 #define IEEE80211_MIN_AMPDU_BUF         0x8
1778 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1779 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1780 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1781
1782
1783 /* Spatial Multiplexing Power Save Modes (for capability) */
1784 #define WLAN_HT_CAP_SM_PS_STATIC        0
1785 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1786 #define WLAN_HT_CAP_SM_PS_INVALID       2
1787 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1788
1789 /* for SM power control field lower two bits */
1790 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1791 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1792 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1793
1794 /**
1795  * struct ieee80211_vht_mcs_info - VHT MCS information
1796  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1797  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1798  *      STA can receive. Rate expressed in units of 1 Mbps.
1799  *      If this field is 0 this value should not be used to
1800  *      consider the highest RX data rate supported.
1801  *      The top 3 bits of this field indicate the Maximum NSTS,total
1802  *      (a beamformee capability.)
1803  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1804  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1805  *      STA can transmit. Rate expressed in units of 1 Mbps.
1806  *      If this field is 0 this value should not be used to
1807  *      consider the highest TX data rate supported.
1808  *      The top 2 bits of this field are reserved, the
1809  *      3rd bit from the top indiciates VHT Extended NSS BW
1810  *      Capability.
1811  */
1812 struct ieee80211_vht_mcs_info {
1813         __le16 rx_mcs_map;
1814         __le16 rx_highest;
1815         __le16 tx_mcs_map;
1816         __le16 tx_highest;
1817 } __packed;
1818
1819 /* for rx_highest */
1820 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1821 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1822
1823 /* for tx_highest */
1824 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1825
1826 /**
1827  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1828  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1829  *      number of streams
1830  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1831  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1832  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1833  *
1834  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1835  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1836  * both split into 8 subfields by number of streams. These values indicate
1837  * which MCSes are supported for the number of streams the value appears
1838  * for.
1839  */
1840 enum ieee80211_vht_mcs_support {
1841         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1842         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1843         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1844         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1845 };
1846
1847 /**
1848  * struct ieee80211_vht_cap - VHT capabilities
1849  *
1850  * This structure is the "VHT capabilities element" as
1851  * described in 802.11ac D3.0 8.4.2.160
1852  * @vht_cap_info: VHT capability info
1853  * @supp_mcs: VHT MCS supported rates
1854  */
1855 struct ieee80211_vht_cap {
1856         __le32 vht_cap_info;
1857         struct ieee80211_vht_mcs_info supp_mcs;
1858 } __packed;
1859
1860 /**
1861  * enum ieee80211_vht_chanwidth - VHT channel width
1862  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1863  *      determine the channel width (20 or 40 MHz)
1864  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1865  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1866  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1867  */
1868 enum ieee80211_vht_chanwidth {
1869         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1870         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1871         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1872         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1873 };
1874
1875 /**
1876  * struct ieee80211_vht_operation - VHT operation IE
1877  *
1878  * This structure is the "VHT operation element" as
1879  * described in 802.11ac D3.0 8.4.2.161
1880  * @chan_width: Operating channel width
1881  * @center_freq_seg0_idx: center freq segment 0 index
1882  * @center_freq_seg1_idx: center freq segment 1 index
1883  * @basic_mcs_set: VHT Basic MCS rate set
1884  */
1885 struct ieee80211_vht_operation {
1886         u8 chan_width;
1887         u8 center_freq_seg0_idx;
1888         u8 center_freq_seg1_idx;
1889         __le16 basic_mcs_set;
1890 } __packed;
1891
1892 /**
1893  * struct ieee80211_he_cap_elem - HE capabilities element
1894  *
1895  * This structure is the "HE capabilities element" fixed fields as
1896  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1897  */
1898 struct ieee80211_he_cap_elem {
1899         u8 mac_cap_info[6];
1900         u8 phy_cap_info[11];
1901 } __packed;
1902
1903 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1904
1905 /**
1906  * enum ieee80211_he_mcs_support - HE MCS support definitions
1907  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1908  *      number of streams
1909  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1910  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1911  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1912  *
1913  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1914  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1915  * both split into 8 subfields by number of streams. These values indicate
1916  * which MCSes are supported for the number of streams the value appears
1917  * for.
1918  */
1919 enum ieee80211_he_mcs_support {
1920         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1921         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1922         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1923         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1924 };
1925
1926 /**
1927  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1928  *
1929  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1930  * described in P802.11ax_D2.0 section 9.4.2.237.4
1931  *
1932  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1933  *     widths less than 80MHz.
1934  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1935  *     widths less than 80MHz.
1936  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1937  *     width 160MHz.
1938  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1939  *     width 160MHz.
1940  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1941  *     channel width 80p80MHz.
1942  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1943  *     channel width 80p80MHz.
1944  */
1945 struct ieee80211_he_mcs_nss_supp {
1946         __le16 rx_mcs_80;
1947         __le16 tx_mcs_80;
1948         __le16 rx_mcs_160;
1949         __le16 tx_mcs_160;
1950         __le16 rx_mcs_80p80;
1951         __le16 tx_mcs_80p80;
1952 } __packed;
1953
1954 /**
1955  * struct ieee80211_he_operation - HE capabilities element
1956  *
1957  * This structure is the "HE operation element" fields as
1958  * described in P802.11ax_D4.0 section 9.4.2.243
1959  */
1960 struct ieee80211_he_operation {
1961         __le32 he_oper_params;
1962         __le16 he_mcs_nss_set;
1963         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1964         u8 optional[];
1965 } __packed;
1966
1967 /**
1968  * struct ieee80211_he_spr - HE spatial reuse element
1969  *
1970  * This structure is the "HE spatial reuse element" element as
1971  * described in P802.11ax_D4.0 section 9.4.2.241
1972  */
1973 struct ieee80211_he_spr {
1974         u8 he_sr_control;
1975         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1976         u8 optional[];
1977 } __packed;
1978
1979 /**
1980  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1981  *
1982  * This structure is the "MU AC Parameter Record" fields as
1983  * described in P802.11ax_D4.0 section 9.4.2.245
1984  */
1985 struct ieee80211_he_mu_edca_param_ac_rec {
1986         u8 aifsn;
1987         u8 ecw_min_max;
1988         u8 mu_edca_timer;
1989 } __packed;
1990
1991 /**
1992  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1993  *
1994  * This structure is the "MU EDCA Parameter Set element" fields as
1995  * described in P802.11ax_D4.0 section 9.4.2.245
1996  */
1997 struct ieee80211_mu_edca_param_set {
1998         u8 mu_qos_info;
1999         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2000         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2001         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2002         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2003 } __packed;
2004
2005 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2006 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2007
2008 /**
2009  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2010  * supported NSS for per MCS.
2011  *
2012  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2013  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2014  * for Tx.
2015  *
2016  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2017  *     supported for reception and the maximum number of spatial streams
2018  *     supported for transmission for MCS 0 - 7.
2019  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2020  *     supported for reception and the maximum number of spatial streams
2021  *     supported for transmission for MCS 8 - 9.
2022  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2023  *     supported for reception and the maximum number of spatial streams
2024  *     supported for transmission for MCS 10 - 11.
2025  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2026  *     supported for reception and the maximum number of spatial streams
2027  *     supported for transmission for MCS 12 - 13.
2028  */
2029 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2030         u8 rx_tx_mcs7_max_nss;
2031         u8 rx_tx_mcs9_max_nss;
2032         u8 rx_tx_mcs11_max_nss;
2033         u8 rx_tx_mcs13_max_nss;
2034 };
2035
2036 /**
2037  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2038  * 20MHz only stations).
2039  *
2040  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2041  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2042  * for Tx.
2043  *
2044  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2045  *     supported for reception and the maximum number of spatial streams
2046  *     supported for transmission for MCS 0 - 9.
2047  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2048  *     supported for reception and the maximum number of spatial streams
2049  *     supported for transmission for MCS 10 - 11.
2050  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2051  *     supported for reception and the maximum number of spatial streams
2052  *     supported for transmission for MCS 12 - 13.
2053  */
2054 struct ieee80211_eht_mcs_nss_supp_bw {
2055         u8 rx_tx_mcs9_max_nss;
2056         u8 rx_tx_mcs11_max_nss;
2057         u8 rx_tx_mcs13_max_nss;
2058 };
2059
2060 /**
2061  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2062  *
2063  * This structure is the "EHT Capabilities element" fixed fields as
2064  * described in P802.11be_D2.0 section 9.4.2.313.
2065  *
2066  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2067  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2068  */
2069 struct ieee80211_eht_cap_elem_fixed {
2070         u8 mac_cap_info[2];
2071         u8 phy_cap_info[9];
2072 } __packed;
2073
2074 /**
2075  * struct ieee80211_eht_cap_elem - EHT capabilities element
2076  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2077  * @optional: optional parts
2078  */
2079 struct ieee80211_eht_cap_elem {
2080         struct ieee80211_eht_cap_elem_fixed fixed;
2081
2082         /*
2083          * Followed by:
2084          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2085          * EHT PPE Thresholds field: variable length.
2086          */
2087         u8 optional[];
2088 } __packed;
2089
2090 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2091 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2092 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2093 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2094 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2095
2096 /**
2097  * struct ieee80211_eht_operation - eht operation element
2098  *
2099  * This structure is the "EHT Operation Element" fields as
2100  * described in P802.11be_D2.0 section 9.4.2.311
2101  *
2102  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2103  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2104  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2105  *     receive.
2106  * @optional: optional parts
2107  */
2108 struct ieee80211_eht_operation {
2109         u8 params;
2110         __le32 basic_mcs_nss;
2111         u8 optional[];
2112 } __packed;
2113
2114 /**
2115  * struct ieee80211_eht_operation_info - eht operation information
2116  *
2117  * @control: EHT operation information control.
2118  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2119  *     EHT BSS.
2120  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2121  * @optional: optional parts
2122  */
2123 struct ieee80211_eht_operation_info {
2124         u8 control;
2125         u8 ccfs0;
2126         u8 ccfs1;
2127         u8 optional[];
2128 } __packed;
2129
2130 /* 802.11ac VHT Capabilities */
2131 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2132 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2133 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2134 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2135 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2136 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2137 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2138 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2139 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2140 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2141 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2142 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2143 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2144 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2145 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2146 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2147 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2148 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2149 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2150 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2151 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2152 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2153                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2154 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2155 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2156                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2157 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2158 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2159 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2160 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2161 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2162 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2163                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2164 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2165 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2166 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2167 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2168 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2169 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2170
2171 /**
2172  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2173  * @cap: VHT capabilities of the peer
2174  * @bw: bandwidth to use
2175  * @mcs: MCS index to use
2176  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2177  *      (rate scaling algorithm) can deal with the new logic
2178  *      (dot11VHTExtendedNSSBWCapable)
2179  * @max_vht_nss: current maximum NSS as advertised by the STA in
2180  *      operating mode notification, can be 0 in which case the
2181  *      capability data will be used to derive this (from MCS support)
2182  *
2183  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2184  * vary for a given BW/MCS. This function parses the data.
2185  *
2186  * Note: This function is exported by cfg80211.
2187  */
2188 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2189                               enum ieee80211_vht_chanwidth bw,
2190                               int mcs, bool ext_nss_bw_capable,
2191                               unsigned int max_vht_nss);
2192
2193 /**
2194  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2195  *
2196  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2197  * @IEEE80211_REG_LPI: Indoor Access Point
2198  * @IEEE80211_REG_SP: Standard power Access Point
2199  * @IEEE80211_REG_VLP: Very low power Access Point
2200  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2201  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2202  */
2203 enum ieee80211_ap_reg_power {
2204         IEEE80211_REG_UNSET_AP,
2205         IEEE80211_REG_LPI_AP,
2206         IEEE80211_REG_SP_AP,
2207         IEEE80211_REG_VLP_AP,
2208         IEEE80211_REG_AP_POWER_AFTER_LAST,
2209         IEEE80211_REG_AP_POWER_MAX =
2210                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2211 };
2212
2213 /**
2214  * enum ieee80211_client_reg_power - regulatory power for a client
2215  *
2216  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2217  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2218  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2219  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2220  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2221  */
2222 enum ieee80211_client_reg_power {
2223         IEEE80211_REG_UNSET_CLIENT,
2224         IEEE80211_REG_DEFAULT_CLIENT,
2225         IEEE80211_REG_SUBORDINATE_CLIENT,
2226         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2227         IEEE80211_REG_CLIENT_POWER_MAX =
2228                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2229 };
2230
2231 /* 802.11ax HE MAC capabilities */
2232 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2233 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2234 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2235 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2236 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2237 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2238 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2239 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2240 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2241 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2242 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2243 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2244 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2245 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2246 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2247 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2248 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2249
2250 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2251 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2252 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2253 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2254 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2255 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2256 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2257 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2258 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2259 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2260 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2261 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2262 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2263 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2264 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2265 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2266 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2267 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2268
2269 /* Link adaptation is split between byte HE_MAC_CAP1 and
2270  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2271  * in which case the following values apply:
2272  * 0 = No feedback.
2273  * 1 = reserved.
2274  * 2 = Unsolicited feedback.
2275  * 3 = both
2276  */
2277 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2278
2279 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2280 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2281 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2282 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2283 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2284 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2285 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2286 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2287
2288 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2289 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2290
2291 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2292  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2293  * same field in the HE capabilities.
2294  */
2295 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2296 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2297 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2298 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2299 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2300 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2301 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2302 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2303
2304 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2305 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2306 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2307 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2308 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2309 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2310 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2311 /* Multi TID agg TX is split between byte #4 and #5
2312  * The value is a combination of B39,B40,B41
2313  */
2314 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2315
2316 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2317 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2318 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2319 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2320 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2321 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2322 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2323 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2324
2325 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2326 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2327 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2328
2329 /* 802.11ax HE PHY capabilities */
2330 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2331 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2332 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2333 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2334 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2335
2336 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2337 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2338 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2339
2340 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2341 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2342 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2343 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2344 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2345 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2346 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2347 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2348 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2349 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2350
2351 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2352 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2353 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2354 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2355 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2356 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2357
2358 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2359  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2360  * case it indicates support for Tx.
2361  */
2362 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2363 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2364
2365 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2366 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2367 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2368 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2369 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2370 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2371 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2372 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2373 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2374 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2375 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2376 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2377 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2378 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2379 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2380 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2381
2382 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2383 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2384
2385 /* Minimal allowed value of Max STS under 80MHz is 3 */
2386 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2387 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2388 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2389 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2390 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2391 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2392
2393 /* Minimal allowed value of Max STS above 80MHz is 3 */
2394 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2395 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2396 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2397 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2398 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2399 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2400
2401 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2402 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2403 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2404 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2405 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2406 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2407 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2408 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2409 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2410
2411 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2412 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2413 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2414 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2415 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2416 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2417 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2418 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2419 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2420
2421 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2422 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2423
2424 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2425 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2426 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2427 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2428 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2429 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2430 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2431 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2432
2433 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2434 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2435 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2436 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2437 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2438 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2439 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2440 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2441 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2442 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2443 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2444 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2445 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2446
2447 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2448 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2449 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2450 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2451 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2452 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2453 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2454 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2455 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2456 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2457 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2458
2459 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2460 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2461 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2462 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2463 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2464 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2465 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2466 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2467 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2468 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2469 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2470 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2471
2472 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2473
2474 /* 802.11ax HE TX/RX MCS NSS Support  */
2475 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2476 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2477 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2478 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2479 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2480
2481 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2482 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2483         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2484         HIGHEST_MCS_SUPPORTED_MCS8,
2485         HIGHEST_MCS_SUPPORTED_MCS9,
2486         HIGHEST_MCS_SUPPORTED_MCS10,
2487         HIGHEST_MCS_SUPPORTED_MCS11,
2488 };
2489
2490 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2491 static inline u8
2492 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2493 {
2494         u8 count = 4;
2495
2496         if (he_cap->phy_cap_info[0] &
2497             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2498                 count += 4;
2499
2500         if (he_cap->phy_cap_info[0] &
2501             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2502                 count += 4;
2503
2504         return count;
2505 }
2506
2507 /* 802.11ax HE PPE Thresholds */
2508 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2509 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2510 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2511 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2512         (BIT(5) | BIT(6))
2513 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2514 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2515 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2516 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2517
2518 /*
2519  * Calculate 802.11ax HE capabilities IE PPE field size
2520  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2521  */
2522 static inline u8
2523 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2524 {
2525         u8 n;
2526
2527         if ((phy_cap_info[6] &
2528              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2529                 return 0;
2530
2531         n = hweight8(ppe_thres_hdr &
2532                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2533         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2534                    IEEE80211_PPE_THRES_NSS_POS));
2535
2536         /*
2537          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2538          * total size.
2539          */
2540         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2541         n = DIV_ROUND_UP(n, 8);
2542
2543         return n;
2544 }
2545
2546 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2547 {
2548         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2549         u8 needed = sizeof(*he_cap_ie_elem);
2550
2551         if (len < needed)
2552                 return false;
2553
2554         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2555         if (len < needed)
2556                 return false;
2557
2558         if (he_cap_ie_elem->phy_cap_info[6] &
2559                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2560                 if (len < needed + 1)
2561                         return false;
2562                 needed += ieee80211_he_ppe_size(data[needed],
2563                                                 he_cap_ie_elem->phy_cap_info);
2564         }
2565
2566         return len >= needed;
2567 }
2568
2569 /* HE Operation defines */
2570 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2571 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2572 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2573 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2574 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2575 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2576 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2577 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2578 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2579 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2580 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2581 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2582
2583 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2584 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2585
2586 /**
2587  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2588  * @primary: primary channel
2589  * @control: control flags
2590  * @ccfs0: channel center frequency segment 0
2591  * @ccfs1: channel center frequency segment 1
2592  * @minrate: minimum rate (in 1 Mbps units)
2593  */
2594 struct ieee80211_he_6ghz_oper {
2595         u8 primary;
2596 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2597 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2598 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2599 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2600 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2601 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2602 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2603         u8 control;
2604         u8 ccfs0;
2605         u8 ccfs1;
2606         u8 minrate;
2607 } __packed;
2608
2609 /*
2610  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2611  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2612  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2613  * Info subfield encoding in the United States".
2614  * So it it totally max 8 Transmit Power Envelope element.
2615  */
2616 #define IEEE80211_TPE_MAX_IE_COUNT      8
2617 /*
2618  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2619  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2620  */
2621 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2622
2623 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2624
2625 /* transmit power interpretation type of transmit power envelope element */
2626 enum ieee80211_tx_power_intrpt_type {
2627         IEEE80211_TPE_LOCAL_EIRP,
2628         IEEE80211_TPE_LOCAL_EIRP_PSD,
2629         IEEE80211_TPE_REG_CLIENT_EIRP,
2630         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2631 };
2632
2633 /**
2634  * struct ieee80211_tx_pwr_env
2635  *
2636  * This structure represents the "Transmit Power Envelope element"
2637  */
2638 struct ieee80211_tx_pwr_env {
2639         u8 tx_power_info;
2640         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2641 } __packed;
2642
2643 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2644 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2645 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2646
2647 /*
2648  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2649  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2650  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2651  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2652  *      validated this.
2653  * @return the actual size of the IE data (not including header), or 0 on error
2654  */
2655 static inline u8
2656 ieee80211_he_oper_size(const u8 *he_oper_ie)
2657 {
2658         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2659         u8 oper_len = sizeof(struct ieee80211_he_operation);
2660         u32 he_oper_params;
2661
2662         /* Make sure the input is not NULL */
2663         if (!he_oper_ie)
2664                 return 0;
2665
2666         /* Calc required length */
2667         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2668         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2669                 oper_len += 3;
2670         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2671                 oper_len++;
2672         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2673                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2674
2675         /* Add the first byte (extension ID) to the total length */
2676         oper_len++;
2677
2678         return oper_len;
2679 }
2680
2681 /**
2682  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2683  * @he_oper: HE operation element (must be pre-validated for size)
2684  *      but may be %NULL
2685  *
2686  * Return: a pointer to the 6 GHz operation field, or %NULL
2687  */
2688 static inline const struct ieee80211_he_6ghz_oper *
2689 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2690 {
2691         const u8 *ret = (const void *)&he_oper->optional;
2692         u32 he_oper_params;
2693
2694         if (!he_oper)
2695                 return NULL;
2696
2697         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2698
2699         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2700                 return NULL;
2701         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2702                 ret += 3;
2703         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2704                 ret++;
2705
2706         return (const void *)ret;
2707 }
2708
2709 /* HE Spatial Reuse defines */
2710 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2711 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2712 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2713 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2714 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2715
2716 /*
2717  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2718  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2719  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2720  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2721  *      this
2722  * @return the actual size of the IE data (not including header), or 0 on error
2723  */
2724 static inline u8
2725 ieee80211_he_spr_size(const u8 *he_spr_ie)
2726 {
2727         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2728         u8 spr_len = sizeof(struct ieee80211_he_spr);
2729         u8 he_spr_params;
2730
2731         /* Make sure the input is not NULL */
2732         if (!he_spr_ie)
2733                 return 0;
2734
2735         /* Calc required length */
2736         he_spr_params = he_spr->he_sr_control;
2737         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2738                 spr_len++;
2739         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2740                 spr_len += 18;
2741
2742         /* Add the first byte (extension ID) to the total length */
2743         spr_len++;
2744
2745         return spr_len;
2746 }
2747
2748 /* S1G Capabilities Information field */
2749 #define IEEE80211_S1G_CAPABILITY_LEN    15
2750
2751 #define S1G_CAP0_S1G_LONG       BIT(0)
2752 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2753 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2754 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2755 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2756 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2757 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2758
2759 #define S1G_SUPP_CH_WIDTH_2     0
2760 #define S1G_SUPP_CH_WIDTH_4     1
2761 #define S1G_SUPP_CH_WIDTH_8     2
2762 #define S1G_SUPP_CH_WIDTH_16    3
2763 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2764                                                     cap[0])) << 1)
2765
2766 #define S1G_CAP1_RX_LDPC        BIT(0)
2767 #define S1G_CAP1_TX_STBC        BIT(1)
2768 #define S1G_CAP1_RX_STBC        BIT(2)
2769 #define S1G_CAP1_SU_BFER        BIT(3)
2770 #define S1G_CAP1_SU_BFEE        BIT(4)
2771 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2772
2773 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2774 #define S1G_CAP2_MU_BFER                BIT(3)
2775 #define S1G_CAP2_MU_BFEE                BIT(4)
2776 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2777 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2778
2779 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2780 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2781 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2782 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2783 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2784
2785 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2786 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2787 #define S1G_CAP4_BAT            BIT(2)
2788 #define S1G_CAP4_TIME_ADE       BIT(3)
2789 #define S1G_CAP4_NON_TIM        BIT(4)
2790 #define S1G_CAP4_GROUP_AID      BIT(5)
2791 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2792
2793 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2794 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2795 #define S1G_CAP5_AMSDU                  BIT(2)
2796 #define S1G_CAP5_AMPDU                  BIT(3)
2797 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2798 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2799 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2800
2801 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2802 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2803 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2804 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2805 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2806 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2807 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2808
2809 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2810 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2811 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2812 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2813 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2814 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2815 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2816 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2817
2818 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2819 #define S1G_CAP8_BDT            BIT(1)
2820 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2821 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2822 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2823 #define S1G_CAP8_PV1_FRAME      BIT(7)
2824
2825 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2826
2827 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2828 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2829
2830 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2831 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2832 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2833 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2834 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2835 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2836 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2837 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2838 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2839 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2840 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2841
2842 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2843
2844 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2845 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2846 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2847 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2848 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2849 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2850 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2851
2852 /* EHT beamformee number of spatial streams <= 80MHz is split */
2853 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2854 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2855
2856 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2857 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2858
2859 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2860 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2861
2862 /* EHT number of sounding dimensions for 320MHz is split */
2863 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2864 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2865 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2866 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2867 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2868 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2869 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2870 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2871 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2872
2873 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2874 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2875 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2876 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2877 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2878
2879 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2880 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2881 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2882 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2883 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2884 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2885 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2886 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2887 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2888
2889 /* Maximum number of supported EHT LTF is split */
2890 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2891 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2892
2893 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2894 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2895
2896 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2897 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2898 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2899 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2900 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2901 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2902 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2903 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2904
2905 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2906 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2907
2908 /*
2909  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2910  */
2911 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2912 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2913 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2914 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2915 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2916 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2917
2918 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2919 static inline u8
2920 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2921                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2922                            bool from_ap)
2923 {
2924         u8 count = 0;
2925
2926         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2927         if (he_cap->phy_cap_info[0] &
2928             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2929                 return 3;
2930
2931         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2932         if (he_cap->phy_cap_info[0] &
2933             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2934                 count += 3;
2935
2936         if (he_cap->phy_cap_info[0] &
2937             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2938                 count += 3;
2939
2940         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2941                 count += 3;
2942
2943         if (count)
2944                 return count;
2945
2946         return from_ap ? 3 : 4;
2947 }
2948
2949 /* 802.11be EHT PPE Thresholds */
2950 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2951 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2952 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2953 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2954 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2955
2956 /*
2957  * Calculate 802.11be EHT capabilities IE EHT field size
2958  */
2959 static inline u8
2960 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2961 {
2962         u32 n;
2963
2964         if (!(phy_cap_info[5] &
2965               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2966                 return 0;
2967
2968         n = hweight16(ppe_thres_hdr &
2969                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2970         n *= 1 + (ppe_thres_hdr & IEEE80211_EHT_PPE_THRES_NSS_MASK);
2971
2972         /*
2973          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2974          * total size.
2975          */
2976         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2977             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2978         return DIV_ROUND_UP(n, 8);
2979 }
2980
2981 static inline bool
2982 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2983                            bool from_ap)
2984 {
2985         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2986         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2987
2988         if (len < needed || !he_capa)
2989                 return false;
2990
2991         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2992                                              (const void *)data,
2993                                              from_ap);
2994         if (len < needed)
2995                 return false;
2996
2997         if (elem->phy_cap_info[5] &
2998                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2999                 u16 ppe_thres_hdr;
3000
3001                 if (len < needed + sizeof(ppe_thres_hdr))
3002                         return false;
3003
3004                 ppe_thres_hdr = (data[needed] >> 8) + data[needed + 1];
3005                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3006                                                  elem->phy_cap_info);
3007         }
3008
3009         return len >= needed;
3010 }
3011
3012 static inline bool
3013 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3014 {
3015         const struct ieee80211_eht_operation *elem = (const void *)data;
3016         u8 needed = sizeof(*elem);
3017
3018         if (len < needed)
3019                 return false;
3020
3021         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3022                 needed += 3;
3023
3024                 if (elem->params &
3025                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3026                         needed += 2;
3027         }
3028
3029         return len >= needed;
3030 }
3031
3032 #define LISTEN_INT_USF  GENMASK(15, 14)
3033 #define LISTEN_INT_UI   GENMASK(13, 0)
3034
3035 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3036 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3037
3038 /* Authentication algorithms */
3039 #define WLAN_AUTH_OPEN 0
3040 #define WLAN_AUTH_SHARED_KEY 1
3041 #define WLAN_AUTH_FT 2
3042 #define WLAN_AUTH_SAE 3
3043 #define WLAN_AUTH_FILS_SK 4
3044 #define WLAN_AUTH_FILS_SK_PFS 5
3045 #define WLAN_AUTH_FILS_PK 6
3046 #define WLAN_AUTH_LEAP 128
3047
3048 #define WLAN_AUTH_CHALLENGE_LEN 128
3049
3050 #define WLAN_CAPABILITY_ESS             (1<<0)
3051 #define WLAN_CAPABILITY_IBSS            (1<<1)
3052
3053 /*
3054  * A mesh STA sets the ESS and IBSS capability bits to zero.
3055  * however, this holds true for p2p probe responses (in the p2p_find
3056  * phase) as well.
3057  */
3058 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3059         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3060
3061 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3062 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3063 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3064 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3065 #define WLAN_CAPABILITY_PBCC            (1<<6)
3066 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3067
3068 /* 802.11h */
3069 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3070 #define WLAN_CAPABILITY_QOS             (1<<9)
3071 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3072 #define WLAN_CAPABILITY_APSD            (1<<11)
3073 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3074 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3075 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3076 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3077
3078 /* DMG (60gHz) 802.11ad */
3079 /* type - bits 0..1 */
3080 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3081 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3082 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3083 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3084
3085 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3086 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3087 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3088 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3089
3090 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3091 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3092
3093 /* measurement */
3094 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3095 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3096 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3097
3098 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3099 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3100 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3101 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3102 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3103
3104 /* 802.11g ERP information element */
3105 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3106 #define WLAN_ERP_USE_PROTECTION (1<<1)
3107 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3108
3109 /* WLAN_ERP_BARKER_PREAMBLE values */
3110 enum {
3111         WLAN_ERP_PREAMBLE_SHORT = 0,
3112         WLAN_ERP_PREAMBLE_LONG = 1,
3113 };
3114
3115 /* Band ID, 802.11ad #8.4.1.45 */
3116 enum {
3117         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3118         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3119         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3120         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3121         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3122         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3123 };
3124
3125 /* Status codes */
3126 enum ieee80211_statuscode {
3127         WLAN_STATUS_SUCCESS = 0,
3128         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3129         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3130         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3131         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3132         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3133         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3134         WLAN_STATUS_CHALLENGE_FAIL = 15,
3135         WLAN_STATUS_AUTH_TIMEOUT = 16,
3136         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3137         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3138         /* 802.11b */
3139         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3140         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3141         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3142         /* 802.11h */
3143         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3144         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3145         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3146         /* 802.11g */
3147         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3148         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3149         /* 802.11w */
3150         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3151         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3152         /* 802.11i */
3153         WLAN_STATUS_INVALID_IE = 40,
3154         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3155         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3156         WLAN_STATUS_INVALID_AKMP = 43,
3157         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3158         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3159         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3160         /* 802.11e */
3161         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3162         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3163         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3164         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3165         WLAN_STATUS_REQUEST_DECLINED = 37,
3166         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3167         WLAN_STATUS_CHANGE_TSPEC = 39,
3168         WLAN_STATUS_WAIT_TS_DELAY = 47,
3169         WLAN_STATUS_NO_DIRECT_LINK = 48,
3170         WLAN_STATUS_STA_NOT_PRESENT = 49,
3171         WLAN_STATUS_STA_NOT_QSTA = 50,
3172         /* 802.11s */
3173         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3174         WLAN_STATUS_FCG_NOT_SUPP = 78,
3175         WLAN_STATUS_STA_NO_TBTT = 78,
3176         /* 802.11ad */
3177         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3178         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3179         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3180         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3181         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3182         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3183         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3184         WLAN_STATUS_REJECT_DSE_BAND = 96,
3185         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3186         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3187         /* 802.11ai */
3188         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3189         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3190         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3191         WLAN_STATUS_SAE_PK = 127,
3192 };
3193
3194
3195 /* Reason codes */
3196 enum ieee80211_reasoncode {
3197         WLAN_REASON_UNSPECIFIED = 1,
3198         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3199         WLAN_REASON_DEAUTH_LEAVING = 3,
3200         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3201         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3202         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3203         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3204         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3205         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3206         /* 802.11h */
3207         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3208         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3209         /* 802.11i */
3210         WLAN_REASON_INVALID_IE = 13,
3211         WLAN_REASON_MIC_FAILURE = 14,
3212         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3213         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3214         WLAN_REASON_IE_DIFFERENT = 17,
3215         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3216         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3217         WLAN_REASON_INVALID_AKMP = 20,
3218         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3219         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3220         WLAN_REASON_IEEE8021X_FAILED = 23,
3221         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3222         /* TDLS (802.11z) */
3223         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3224         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3225         /* 802.11e */
3226         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3227         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3228         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3229         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3230         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3231         WLAN_REASON_QSTA_NOT_USE = 37,
3232         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3233         WLAN_REASON_QSTA_TIMEOUT = 39,
3234         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3235         /* 802.11s */
3236         WLAN_REASON_MESH_PEER_CANCELED = 52,
3237         WLAN_REASON_MESH_MAX_PEERS = 53,
3238         WLAN_REASON_MESH_CONFIG = 54,
3239         WLAN_REASON_MESH_CLOSE = 55,
3240         WLAN_REASON_MESH_MAX_RETRIES = 56,
3241         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3242         WLAN_REASON_MESH_INVALID_GTK = 58,
3243         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3244         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3245         WLAN_REASON_MESH_PATH_ERROR = 61,
3246         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3247         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3248         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3249         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3250         WLAN_REASON_MESH_CHAN = 66,
3251 };
3252
3253
3254 /* Information Element IDs */
3255 enum ieee80211_eid {
3256         WLAN_EID_SSID = 0,
3257         WLAN_EID_SUPP_RATES = 1,
3258         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3259         WLAN_EID_DS_PARAMS = 3,
3260         WLAN_EID_CF_PARAMS = 4,
3261         WLAN_EID_TIM = 5,
3262         WLAN_EID_IBSS_PARAMS = 6,
3263         WLAN_EID_COUNTRY = 7,
3264         /* 8, 9 reserved */
3265         WLAN_EID_REQUEST = 10,
3266         WLAN_EID_QBSS_LOAD = 11,
3267         WLAN_EID_EDCA_PARAM_SET = 12,
3268         WLAN_EID_TSPEC = 13,
3269         WLAN_EID_TCLAS = 14,
3270         WLAN_EID_SCHEDULE = 15,
3271         WLAN_EID_CHALLENGE = 16,
3272         /* 17-31 reserved for challenge text extension */
3273         WLAN_EID_PWR_CONSTRAINT = 32,
3274         WLAN_EID_PWR_CAPABILITY = 33,
3275         WLAN_EID_TPC_REQUEST = 34,
3276         WLAN_EID_TPC_REPORT = 35,
3277         WLAN_EID_SUPPORTED_CHANNELS = 36,
3278         WLAN_EID_CHANNEL_SWITCH = 37,
3279         WLAN_EID_MEASURE_REQUEST = 38,
3280         WLAN_EID_MEASURE_REPORT = 39,
3281         WLAN_EID_QUIET = 40,
3282         WLAN_EID_IBSS_DFS = 41,
3283         WLAN_EID_ERP_INFO = 42,
3284         WLAN_EID_TS_DELAY = 43,
3285         WLAN_EID_TCLAS_PROCESSING = 44,
3286         WLAN_EID_HT_CAPABILITY = 45,
3287         WLAN_EID_QOS_CAPA = 46,
3288         /* 47 reserved for Broadcom */
3289         WLAN_EID_RSN = 48,
3290         WLAN_EID_802_15_COEX = 49,
3291         WLAN_EID_EXT_SUPP_RATES = 50,
3292         WLAN_EID_AP_CHAN_REPORT = 51,
3293         WLAN_EID_NEIGHBOR_REPORT = 52,
3294         WLAN_EID_RCPI = 53,
3295         WLAN_EID_MOBILITY_DOMAIN = 54,
3296         WLAN_EID_FAST_BSS_TRANSITION = 55,
3297         WLAN_EID_TIMEOUT_INTERVAL = 56,
3298         WLAN_EID_RIC_DATA = 57,
3299         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3300         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3301         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3302         WLAN_EID_HT_OPERATION = 61,
3303         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3304         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3305         WLAN_EID_ANTENNA_INFO = 64,
3306         WLAN_EID_RSNI = 65,
3307         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3308         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3309         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3310         WLAN_EID_TIME_ADVERTISEMENT = 69,
3311         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3312         WLAN_EID_MULTIPLE_BSSID = 71,
3313         WLAN_EID_BSS_COEX_2040 = 72,
3314         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3315         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3316         WLAN_EID_RIC_DESCRIPTOR = 75,
3317         WLAN_EID_MMIE = 76,
3318         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3319         WLAN_EID_EVENT_REQUEST = 78,
3320         WLAN_EID_EVENT_REPORT = 79,
3321         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3322         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3323         WLAN_EID_LOCATION_PARAMS = 82,
3324         WLAN_EID_NON_TX_BSSID_CAP =  83,
3325         WLAN_EID_SSID_LIST = 84,
3326         WLAN_EID_MULTI_BSSID_IDX = 85,
3327         WLAN_EID_FMS_DESCRIPTOR = 86,
3328         WLAN_EID_FMS_REQUEST = 87,
3329         WLAN_EID_FMS_RESPONSE = 88,
3330         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3331         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3332         WLAN_EID_TSF_REQUEST = 91,
3333         WLAN_EID_TSF_RESPOSNE = 92,
3334         WLAN_EID_WNM_SLEEP_MODE = 93,
3335         WLAN_EID_TIM_BCAST_REQ = 94,
3336         WLAN_EID_TIM_BCAST_RESP = 95,
3337         WLAN_EID_COLL_IF_REPORT = 96,
3338         WLAN_EID_CHANNEL_USAGE = 97,
3339         WLAN_EID_TIME_ZONE = 98,
3340         WLAN_EID_DMS_REQUEST = 99,
3341         WLAN_EID_DMS_RESPONSE = 100,
3342         WLAN_EID_LINK_ID = 101,
3343         WLAN_EID_WAKEUP_SCHEDUL = 102,
3344         /* 103 reserved */
3345         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3346         WLAN_EID_PTI_CONTROL = 105,
3347         WLAN_EID_PU_BUFFER_STATUS = 106,
3348         WLAN_EID_INTERWORKING = 107,
3349         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3350         WLAN_EID_EXPEDITED_BW_REQ = 109,
3351         WLAN_EID_QOS_MAP_SET = 110,
3352         WLAN_EID_ROAMING_CONSORTIUM = 111,
3353         WLAN_EID_EMERGENCY_ALERT = 112,
3354         WLAN_EID_MESH_CONFIG = 113,
3355         WLAN_EID_MESH_ID = 114,
3356         WLAN_EID_LINK_METRIC_REPORT = 115,
3357         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3358         WLAN_EID_PEER_MGMT = 117,
3359         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3360         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3361         WLAN_EID_BEACON_TIMING = 120,
3362         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3363         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3364         WLAN_EID_MCCAOP_ADVERT = 123,
3365         WLAN_EID_MCCAOP_TEARDOWN = 124,
3366         WLAN_EID_GANN = 125,
3367         WLAN_EID_RANN = 126,
3368         WLAN_EID_EXT_CAPABILITY = 127,
3369         /* 128, 129 reserved for Agere */
3370         WLAN_EID_PREQ = 130,
3371         WLAN_EID_PREP = 131,
3372         WLAN_EID_PERR = 132,
3373         /* 133-136 reserved for Cisco */
3374         WLAN_EID_PXU = 137,
3375         WLAN_EID_PXUC = 138,
3376         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3377         WLAN_EID_MIC = 140,
3378         WLAN_EID_DESTINATION_URI = 141,
3379         WLAN_EID_UAPSD_COEX = 142,
3380         WLAN_EID_WAKEUP_SCHEDULE = 143,
3381         WLAN_EID_EXT_SCHEDULE = 144,
3382         WLAN_EID_STA_AVAILABILITY = 145,
3383         WLAN_EID_DMG_TSPEC = 146,
3384         WLAN_EID_DMG_AT = 147,
3385         WLAN_EID_DMG_CAP = 148,
3386         /* 149 reserved for Cisco */
3387         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3388         WLAN_EID_DMG_OPERATION = 151,
3389         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3390         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3391         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3392         /* 155-156 reserved for Cisco */
3393         WLAN_EID_AWAKE_WINDOW = 157,
3394         WLAN_EID_MULTI_BAND = 158,
3395         WLAN_EID_ADDBA_EXT = 159,
3396         WLAN_EID_NEXT_PCP_LIST = 160,
3397         WLAN_EID_PCP_HANDOVER = 161,
3398         WLAN_EID_DMG_LINK_MARGIN = 162,
3399         WLAN_EID_SWITCHING_STREAM = 163,
3400         WLAN_EID_SESSION_TRANSITION = 164,
3401         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3402         WLAN_EID_CLUSTER_REPORT = 166,
3403         WLAN_EID_RELAY_CAP = 167,
3404         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3405         WLAN_EID_BEAM_LINK_MAINT = 169,
3406         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3407         WLAN_EID_U_PID = 171,
3408         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3409         /* 173 reserved for Symbol */
3410         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3411         WLAN_EID_QUIET_PERIOD_REQ = 175,
3412         /* 176 reserved for Symbol */
3413         WLAN_EID_QUIET_PERIOD_RESP = 177,
3414         /* 178-179 reserved for Symbol */
3415         /* 180 reserved for ISO/IEC 20011 */
3416         WLAN_EID_EPAC_POLICY = 182,
3417         WLAN_EID_CLISTER_TIME_OFF = 183,
3418         WLAN_EID_INTER_AC_PRIO = 184,
3419         WLAN_EID_SCS_DESCRIPTOR = 185,
3420         WLAN_EID_QLOAD_REPORT = 186,
3421         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3422         WLAN_EID_HL_STREAM_ID = 188,
3423         WLAN_EID_GCR_GROUP_ADDR = 189,
3424         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3425         WLAN_EID_VHT_CAPABILITY = 191,
3426         WLAN_EID_VHT_OPERATION = 192,
3427         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3428         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3429         WLAN_EID_TX_POWER_ENVELOPE = 195,
3430         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3431         WLAN_EID_AID = 197,
3432         WLAN_EID_QUIET_CHANNEL = 198,
3433         WLAN_EID_OPMODE_NOTIF = 199,
3434
3435         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3436
3437         WLAN_EID_AID_REQUEST = 210,
3438         WLAN_EID_AID_RESPONSE = 211,
3439         WLAN_EID_S1G_BCN_COMPAT = 213,
3440         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3441         WLAN_EID_S1G_TWT = 216,
3442         WLAN_EID_S1G_CAPABILITIES = 217,
3443         WLAN_EID_VENDOR_SPECIFIC = 221,
3444         WLAN_EID_QOS_PARAMETER = 222,
3445         WLAN_EID_S1G_OPERATION = 232,
3446         WLAN_EID_CAG_NUMBER = 237,
3447         WLAN_EID_AP_CSN = 239,
3448         WLAN_EID_FILS_INDICATION = 240,
3449         WLAN_EID_DILS = 241,
3450         WLAN_EID_FRAGMENT = 242,
3451         WLAN_EID_RSNX = 244,
3452         WLAN_EID_EXTENSION = 255
3453 };
3454
3455 /* Element ID Extensions for Element ID 255 */
3456 enum ieee80211_eid_ext {
3457         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3458         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3459         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3460         WLAN_EID_EXT_FILS_SESSION = 4,
3461         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3462         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3463         WLAN_EID_EXT_KEY_DELIVERY = 7,
3464         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3465         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3466         WLAN_EID_EXT_FILS_NONCE = 13,
3467         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3468         WLAN_EID_EXT_HE_CAPABILITY = 35,
3469         WLAN_EID_EXT_HE_OPERATION = 36,
3470         WLAN_EID_EXT_UORA = 37,
3471         WLAN_EID_EXT_HE_MU_EDCA = 38,
3472         WLAN_EID_EXT_HE_SPR = 39,
3473         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3474         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3475         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3476         WLAN_EID_EXT_ESS_REPORT = 45,
3477         WLAN_EID_EXT_OPS = 46,
3478         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3479         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3480         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3481         WLAN_EID_EXT_NON_INHERITANCE = 56,
3482         WLAN_EID_EXT_KNOWN_BSSID = 57,
3483         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3484         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3485         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3486         WLAN_EID_EXT_EHT_OPERATION = 106,
3487         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3488         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3489 };
3490
3491 /* Action category code */
3492 enum ieee80211_category {
3493         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3494         WLAN_CATEGORY_QOS = 1,
3495         WLAN_CATEGORY_DLS = 2,
3496         WLAN_CATEGORY_BACK = 3,
3497         WLAN_CATEGORY_PUBLIC = 4,
3498         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3499         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3500         WLAN_CATEGORY_HT = 7,
3501         WLAN_CATEGORY_SA_QUERY = 8,
3502         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3503         WLAN_CATEGORY_WNM = 10,
3504         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3505         WLAN_CATEGORY_TDLS = 12,
3506         WLAN_CATEGORY_MESH_ACTION = 13,
3507         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3508         WLAN_CATEGORY_SELF_PROTECTED = 15,
3509         WLAN_CATEGORY_DMG = 16,
3510         WLAN_CATEGORY_WMM = 17,
3511         WLAN_CATEGORY_FST = 18,
3512         WLAN_CATEGORY_UNPROT_DMG = 20,
3513         WLAN_CATEGORY_VHT = 21,
3514         WLAN_CATEGORY_S1G = 22,
3515         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3516         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3517 };
3518
3519 /* SPECTRUM_MGMT action code */
3520 enum ieee80211_spectrum_mgmt_actioncode {
3521         WLAN_ACTION_SPCT_MSR_REQ = 0,
3522         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3523         WLAN_ACTION_SPCT_TPC_REQ = 2,
3524         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3525         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3526 };
3527
3528 /* HT action codes */
3529 enum ieee80211_ht_actioncode {
3530         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3531         WLAN_HT_ACTION_SMPS = 1,
3532         WLAN_HT_ACTION_PSMP = 2,
3533         WLAN_HT_ACTION_PCO_PHASE = 3,
3534         WLAN_HT_ACTION_CSI = 4,
3535         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3536         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3537         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3538 };
3539
3540 /* VHT action codes */
3541 enum ieee80211_vht_actioncode {
3542         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3543         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3544         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3545 };
3546
3547 /* Self Protected Action codes */
3548 enum ieee80211_self_protected_actioncode {
3549         WLAN_SP_RESERVED = 0,
3550         WLAN_SP_MESH_PEERING_OPEN = 1,
3551         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3552         WLAN_SP_MESH_PEERING_CLOSE = 3,
3553         WLAN_SP_MGK_INFORM = 4,
3554         WLAN_SP_MGK_ACK = 5,
3555 };
3556
3557 /* Mesh action codes */
3558 enum ieee80211_mesh_actioncode {
3559         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3560         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3561         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3562         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3563         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3564         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3565         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3566         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3567         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3568         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3569         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3570 };
3571
3572 /* Unprotected WNM action codes */
3573 enum ieee80211_unprotected_wnm_actioncode {
3574         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3575         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3576 };
3577
3578 /* Security key length */
3579 enum ieee80211_key_len {
3580         WLAN_KEY_LEN_WEP40 = 5,
3581         WLAN_KEY_LEN_WEP104 = 13,
3582         WLAN_KEY_LEN_CCMP = 16,
3583         WLAN_KEY_LEN_CCMP_256 = 32,
3584         WLAN_KEY_LEN_TKIP = 32,
3585         WLAN_KEY_LEN_AES_CMAC = 16,
3586         WLAN_KEY_LEN_SMS4 = 32,
3587         WLAN_KEY_LEN_GCMP = 16,
3588         WLAN_KEY_LEN_GCMP_256 = 32,
3589         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3590         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3591         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3592 };
3593
3594 enum ieee80211_s1g_actioncode {
3595         WLAN_S1G_AID_SWITCH_REQUEST,
3596         WLAN_S1G_AID_SWITCH_RESPONSE,
3597         WLAN_S1G_SYNC_CONTROL,
3598         WLAN_S1G_STA_INFO_ANNOUNCE,
3599         WLAN_S1G_EDCA_PARAM_SET,
3600         WLAN_S1G_EL_OPERATION,
3601         WLAN_S1G_TWT_SETUP,
3602         WLAN_S1G_TWT_TEARDOWN,
3603         WLAN_S1G_SECT_GROUP_ID_LIST,
3604         WLAN_S1G_SECT_ID_FEEDBACK,
3605         WLAN_S1G_TWT_INFORMATION = 11,
3606 };
3607
3608 #define IEEE80211_WEP_IV_LEN            4
3609 #define IEEE80211_WEP_ICV_LEN           4
3610 #define IEEE80211_CCMP_HDR_LEN          8
3611 #define IEEE80211_CCMP_MIC_LEN          8
3612 #define IEEE80211_CCMP_PN_LEN           6
3613 #define IEEE80211_CCMP_256_HDR_LEN      8
3614 #define IEEE80211_CCMP_256_MIC_LEN      16
3615 #define IEEE80211_CCMP_256_PN_LEN       6
3616 #define IEEE80211_TKIP_IV_LEN           8
3617 #define IEEE80211_TKIP_ICV_LEN          4
3618 #define IEEE80211_CMAC_PN_LEN           6
3619 #define IEEE80211_GMAC_PN_LEN           6
3620 #define IEEE80211_GCMP_HDR_LEN          8
3621 #define IEEE80211_GCMP_MIC_LEN          16
3622 #define IEEE80211_GCMP_PN_LEN           6
3623
3624 #define FILS_NONCE_LEN                  16
3625 #define FILS_MAX_KEK_LEN                64
3626
3627 #define FILS_ERP_MAX_USERNAME_LEN       16
3628 #define FILS_ERP_MAX_REALM_LEN          253
3629 #define FILS_ERP_MAX_RRK_LEN            64
3630
3631 #define PMK_MAX_LEN                     64
3632 #define SAE_PASSWORD_MAX_LEN            128
3633
3634 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3635 enum ieee80211_pub_actioncode {
3636         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3637         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3638         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3639         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3640         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3641         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3642         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3643         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3644         WLAN_PUB_ACTION_DSE_PC = 8,
3645         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3646         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3647         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3648         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3649         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3650         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3651         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3652         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3653         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3654         WLAN_PUB_ACTION_QMF_POLICY = 18,
3655         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3656         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3657         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3658         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3659         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3660         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3661         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3662         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3663         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3664         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3665         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3666         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3667         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3668         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3669         WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3670         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3671 };
3672
3673 /* TDLS action codes */
3674 enum ieee80211_tdls_actioncode {
3675         WLAN_TDLS_SETUP_REQUEST = 0,
3676         WLAN_TDLS_SETUP_RESPONSE = 1,
3677         WLAN_TDLS_SETUP_CONFIRM = 2,
3678         WLAN_TDLS_TEARDOWN = 3,
3679         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3680         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3681         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3682         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3683         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3684         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3685         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3686 };
3687
3688 /* Extended Channel Switching capability to be set in the 1st byte of
3689  * the @WLAN_EID_EXT_CAPABILITY information element
3690  */
3691 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3692
3693 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3694  * @WLAN_EID_EXT_CAPABILITY information element
3695  */
3696 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3697
3698 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3699  * of the @WLAN_EID_EXT_CAPABILITY information element
3700  */
3701 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3702
3703 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3704 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3705 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3706 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3707
3708 /* Interworking capabilities are set in 7th bit of 4th byte of the
3709  * @WLAN_EID_EXT_CAPABILITY information element
3710  */
3711 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3712
3713 /*
3714  * TDLS capabililites to be enabled in the 5th byte of the
3715  * @WLAN_EID_EXT_CAPABILITY information element
3716  */
3717 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3718 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3719 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3720
3721 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3722 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3723
3724 /* Defines the maximal number of MSDUs in an A-MSDU. */
3725 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3726 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3727
3728 /*
3729  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3730  * information element
3731  */
3732 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3733
3734 /* Defines support for TWT Requester and TWT Responder */
3735 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3736 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3737
3738 /*
3739  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3740  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3741  * 26-tone RU UL OFDMA transmissions as radar pulses).
3742  */
3743 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3744
3745 /* Defines support for enhanced multi-bssid advertisement*/
3746 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3747
3748 /* TDLS specific payload type in the LLC/SNAP header */
3749 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3750
3751 /* BSS Coex IE information field bits */
3752 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3753
3754 /**
3755  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3756  *
3757  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3758  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3759  *      that will be specified in a vendor specific information element
3760  */
3761 enum ieee80211_mesh_sync_method {
3762         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3763         IEEE80211_SYNC_METHOD_VENDOR = 255,
3764 };
3765
3766 /**
3767  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3768  *
3769  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3770  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3771  *      be specified in a vendor specific information element
3772  */
3773 enum ieee80211_mesh_path_protocol {
3774         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3775         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3776 };
3777
3778 /**
3779  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3780  *
3781  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3782  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3783  *      specified in a vendor specific information element
3784  */
3785 enum ieee80211_mesh_path_metric {
3786         IEEE80211_PATH_METRIC_AIRTIME = 1,
3787         IEEE80211_PATH_METRIC_VENDOR = 255,
3788 };
3789
3790 /**
3791  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3792  *
3793  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3794  *
3795  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3796  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3797  *      this value
3798  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3799  *      the proactive PREQ with proactive PREP subfield set to 0
3800  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3801  *      supports the proactive PREQ with proactive PREP subfield set to 1
3802  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3803  *      the proactive RANN
3804  */
3805 enum ieee80211_root_mode_identifier {
3806         IEEE80211_ROOTMODE_NO_ROOT = 0,
3807         IEEE80211_ROOTMODE_ROOT = 1,
3808         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3809         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3810         IEEE80211_PROACTIVE_RANN = 4,
3811 };
3812
3813 /*
3814  * IEEE 802.11-2007 7.3.2.9 Country information element
3815  *
3816  * Minimum length is 8 octets, ie len must be evenly
3817  * divisible by 2
3818  */
3819
3820 /* Although the spec says 8 I'm seeing 6 in practice */
3821 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3822
3823 /* The Country String field of the element shall be 3 octets in length */
3824 #define IEEE80211_COUNTRY_STRING_LEN    3
3825
3826 /*
3827  * For regulatory extension stuff see IEEE 802.11-2007
3828  * Annex I (page 1141) and Annex J (page 1147). Also
3829  * review 7.3.2.9.
3830  *
3831  * When dot11RegulatoryClassesRequired is true and the
3832  * first_channel/reg_extension_id is >= 201 then the IE
3833  * compromises of the 'ext' struct represented below:
3834  *
3835  *  - Regulatory extension ID - when generating IE this just needs
3836  *    to be monotonically increasing for each triplet passed in
3837  *    the IE
3838  *  - Regulatory class - index into set of rules
3839  *  - Coverage class - index into air propagation time (Table 7-27),
3840  *    in microseconds, you can compute the air propagation time from
3841  *    the index by multiplying by 3, so index 10 yields a propagation
3842  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3843  *    yet. A value of 0 inicates air propagation of <= 1 us.
3844  *
3845  *  See also Table I.2 for Emission limit sets and table
3846  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3847  *  a reg_class to an emission limit set and behavior limit set.
3848  */
3849 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3850
3851 /*
3852  *  Channels numbers in the IE must be monotonically increasing
3853  *  if dot11RegulatoryClassesRequired is not true.
3854  *
3855  *  If dot11RegulatoryClassesRequired is true consecutive
3856  *  subband triplets following a regulatory triplet shall
3857  *  have monotonically increasing first_channel number fields.
3858  *
3859  *  Channel numbers shall not overlap.
3860  *
3861  *  Note that max_power is signed.
3862  */
3863 struct ieee80211_country_ie_triplet {
3864         union {
3865                 struct {
3866                         u8 first_channel;
3867                         u8 num_channels;
3868                         s8 max_power;
3869                 } __packed chans;
3870                 struct {
3871                         u8 reg_extension_id;
3872                         u8 reg_class;
3873                         u8 coverage_class;
3874                 } __packed ext;
3875         };
3876 } __packed;
3877
3878 enum ieee80211_timeout_interval_type {
3879         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3880         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3881         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3882 };
3883
3884 /**
3885  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3886  * @type: type, see &enum ieee80211_timeout_interval_type
3887  * @value: timeout interval value
3888  */
3889 struct ieee80211_timeout_interval_ie {
3890         u8 type;
3891         __le32 value;
3892 } __packed;
3893
3894 /**
3895  * enum ieee80211_idle_options - BSS idle options
3896  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3897  *      protected frame to the AP to reset the idle timer at the AP for
3898  *      the station.
3899  */
3900 enum ieee80211_idle_options {
3901         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3902 };
3903
3904 /**
3905  * struct ieee80211_bss_max_idle_period_ie
3906  *
3907  * This structure refers to "BSS Max idle period element"
3908  *
3909  * @max_idle_period: indicates the time period during which a station can
3910  *      refrain from transmitting frames to its associated AP without being
3911  *      disassociated. In units of 1000 TUs.
3912  * @idle_options: indicates the options associated with the BSS idle capability
3913  *      as specified in &enum ieee80211_idle_options.
3914  */
3915 struct ieee80211_bss_max_idle_period_ie {
3916         __le16 max_idle_period;
3917         u8 idle_options;
3918 } __packed;
3919
3920 /* BACK action code */
3921 enum ieee80211_back_actioncode {
3922         WLAN_ACTION_ADDBA_REQ = 0,
3923         WLAN_ACTION_ADDBA_RESP = 1,
3924         WLAN_ACTION_DELBA = 2,
3925 };
3926
3927 /* BACK (block-ack) parties */
3928 enum ieee80211_back_parties {
3929         WLAN_BACK_RECIPIENT = 0,
3930         WLAN_BACK_INITIATOR = 1,
3931 };
3932
3933 /* SA Query action */
3934 enum ieee80211_sa_query_action {
3935         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3936         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3937 };
3938
3939 /**
3940  * struct ieee80211_bssid_index
3941  *
3942  * This structure refers to "Multiple BSSID-index element"
3943  *
3944  * @bssid_index: BSSID index
3945  * @dtim_period: optional, overrides transmitted BSS dtim period
3946  * @dtim_count: optional, overrides transmitted BSS dtim count
3947  */
3948 struct ieee80211_bssid_index {
3949         u8 bssid_index;
3950         u8 dtim_period;
3951         u8 dtim_count;
3952 };
3953
3954 /**
3955  * struct ieee80211_multiple_bssid_configuration
3956  *
3957  * This structure refers to "Multiple BSSID Configuration element"
3958  *
3959  * @bssid_count: total number of active BSSIDs in the set
3960  * @profile_periodicity: the least number of beacon frames need to be received
3961  *      in order to discover all the nontransmitted BSSIDs in the set.
3962  */
3963 struct ieee80211_multiple_bssid_configuration {
3964         u8 bssid_count;
3965         u8 profile_periodicity;
3966 };
3967
3968 #define SUITE(oui, id) (((oui) << 8) | (id))
3969
3970 /* cipher suite selectors */
3971 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3972 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3973 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3974 /* reserved:                            SUITE(0x000FAC, 3) */
3975 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3976 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3977 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3978 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3979 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3980 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3981 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3982 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3983 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3984
3985 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3986
3987 /* AKM suite selectors */
3988 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3989 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3990 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3991 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3992 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3993 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3994 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3995 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3996 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3997 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3998 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3999 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
4000 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
4001 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
4002 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
4003 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
4004 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
4005 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
4006 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
4007 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
4008
4009 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
4010
4011 #define WLAN_MAX_KEY_LEN                32
4012
4013 #define WLAN_PMK_NAME_LEN               16
4014 #define WLAN_PMKID_LEN                  16
4015 #define WLAN_PMK_LEN_EAP_LEAP           16
4016 #define WLAN_PMK_LEN                    32
4017 #define WLAN_PMK_LEN_SUITE_B_192        48
4018
4019 #define WLAN_OUI_WFA                    0x506f9a
4020 #define WLAN_OUI_TYPE_WFA_P2P           9
4021 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
4022 #define WLAN_OUI_MICROSOFT              0x0050f2
4023 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
4024 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
4025 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
4026 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
4027
4028 /*
4029  * WMM/802.11e Tspec Element
4030  */
4031 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4032 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4033
4034 enum ieee80211_tspec_status_code {
4035         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4036         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4037 };
4038
4039 struct ieee80211_tspec_ie {
4040         u8 element_id;
4041         u8 len;
4042         u8 oui[3];
4043         u8 oui_type;
4044         u8 oui_subtype;
4045         u8 version;
4046         __le16 tsinfo;
4047         u8 tsinfo_resvd;
4048         __le16 nominal_msdu;
4049         __le16 max_msdu;
4050         __le32 min_service_int;
4051         __le32 max_service_int;
4052         __le32 inactivity_int;
4053         __le32 suspension_int;
4054         __le32 service_start_time;
4055         __le32 min_data_rate;
4056         __le32 mean_data_rate;
4057         __le32 peak_data_rate;
4058         __le32 max_burst_size;
4059         __le32 delay_bound;
4060         __le32 min_phy_rate;
4061         __le16 sba;
4062         __le16 medium_time;
4063 } __packed;
4064
4065 struct ieee80211_he_6ghz_capa {
4066         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4067         __le16 capa;
4068 } __packed;
4069
4070 /* HE 6 GHz band capabilities */
4071 /* uses enum ieee80211_min_mpdu_spacing values */
4072 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4073 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4074 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4075 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4076 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4077 /* WLAN_HT_CAP_SM_PS_* values */
4078 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4079 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4080 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4081 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4082
4083 /**
4084  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4085  * @hdr: the frame
4086  *
4087  * The qos ctrl bytes come after the frame_control, duration, seq_num
4088  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4089  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4090  */
4091 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4092 {
4093         union {
4094                 struct ieee80211_qos_hdr        addr3;
4095                 struct ieee80211_qos_hdr_4addr  addr4;
4096         } *qos;
4097
4098         qos = (void *)hdr;
4099         if (ieee80211_has_a4(qos->addr3.frame_control))
4100                 return (u8 *)&qos->addr4.qos_ctrl;
4101         else
4102                 return (u8 *)&qos->addr3.qos_ctrl;
4103 }
4104
4105 /**
4106  * ieee80211_get_tid - get qos TID
4107  * @hdr: the frame
4108  */
4109 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4110 {
4111         u8 *qc = ieee80211_get_qos_ctl(hdr);
4112
4113         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4114 }
4115
4116 /**
4117  * ieee80211_get_SA - get pointer to SA
4118  * @hdr: the frame
4119  *
4120  * Given an 802.11 frame, this function returns the offset
4121  * to the source address (SA). It does not verify that the
4122  * header is long enough to contain the address, and the
4123  * header must be long enough to contain the frame control
4124  * field.
4125  */
4126 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4127 {
4128         if (ieee80211_has_a4(hdr->frame_control))
4129                 return hdr->addr4;
4130         if (ieee80211_has_fromds(hdr->frame_control))
4131                 return hdr->addr3;
4132         return hdr->addr2;
4133 }
4134
4135 /**
4136  * ieee80211_get_DA - get pointer to DA
4137  * @hdr: the frame
4138  *
4139  * Given an 802.11 frame, this function returns the offset
4140  * to the destination address (DA). It does not verify that
4141  * the header is long enough to contain the address, and the
4142  * header must be long enough to contain the frame control
4143  * field.
4144  */
4145 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4146 {
4147         if (ieee80211_has_tods(hdr->frame_control))
4148                 return hdr->addr3;
4149         else
4150                 return hdr->addr1;
4151 }
4152
4153 /**
4154  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4155  * @hdr: the frame (buffer must include at least the first octet of payload)
4156  */
4157 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4158 {
4159         if (ieee80211_is_disassoc(hdr->frame_control) ||
4160             ieee80211_is_deauth(hdr->frame_control))
4161                 return true;
4162
4163         if (ieee80211_is_action(hdr->frame_control)) {
4164                 u8 *category;
4165
4166                 /*
4167                  * Action frames, excluding Public Action frames, are Robust
4168                  * Management Frames. However, if we are looking at a Protected
4169                  * frame, skip the check since the data may be encrypted and
4170                  * the frame has already been found to be a Robust Management
4171                  * Frame (by the other end).
4172                  */
4173                 if (ieee80211_has_protected(hdr->frame_control))
4174                         return true;
4175                 category = ((u8 *) hdr) + 24;
4176                 return *category != WLAN_CATEGORY_PUBLIC &&
4177                         *category != WLAN_CATEGORY_HT &&
4178                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4179                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4180                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4181                         *category != WLAN_CATEGORY_VHT &&
4182                         *category != WLAN_CATEGORY_S1G &&
4183                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4184         }
4185
4186         return false;
4187 }
4188
4189 /**
4190  * ieee80211_is_public_action - check if frame is a public action frame
4191  * @hdr: the frame
4192  * @len: length of the frame
4193  */
4194 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4195                                               size_t len)
4196 {
4197         struct ieee80211_mgmt *mgmt = (void *)hdr;
4198
4199         if (len < IEEE80211_MIN_ACTION_SIZE)
4200                 return false;
4201         if (!ieee80211_is_action(hdr->frame_control))
4202                 return false;
4203         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4204 }
4205
4206 static inline bool is_multicast_ether_addr(const u8 *a)
4207 {
4208         return 0x01 & a[0];
4209 }
4210
4211 /**
4212  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4213  * privacy action frame
4214  * @hdr: the frame
4215  */
4216 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4217 {
4218         struct ieee80211_mgmt *mgmt = (void *)hdr;
4219
4220         if (!ieee80211_is_action(hdr->frame_control) ||
4221             !is_multicast_ether_addr(hdr->addr1))
4222                 return false;
4223
4224         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4225                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4226 }
4227
4228 /**
4229  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4230  * @tu: the TUs
4231  */
4232 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4233 {
4234         return 1024 * tu;
4235 }
4236
4237 /**
4238  * ieee80211_check_tim - check if AID bit is set in TIM
4239  * @tim: the TIM IE
4240  * @tim_len: length of the TIM IE
4241  * @aid: the AID to look for
4242  */
4243 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4244                                        u8 tim_len, u16 aid)
4245 {
4246         u8 mask;
4247         u8 indexn0, indexn1, indexn2;
4248
4249         if (unlikely(!tim || tim_len < sizeof(*tim)))
4250                 return false;
4251
4252         aid &= 0x3fff;
4253         indexn0 = aid / 8;
4254         mask  = 1 << (aid & 7);
4255
4256         indexn1 = tim->bitmap_ctrl & 0xfe;
4257         indexn2 = tim_len + indexn1 - 4;
4258
4259         if (indexn0 < indexn1 || indexn0 > indexn2)
4260                 return false;
4261
4262         indexn0 -= indexn1;
4263
4264         return !!(tim->virtual_map[indexn0] & mask);
4265 }
4266
4267 /* convert time units */
4268 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
4269 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
4270
4271 static inline bool ieee80211_is_timing_measurement(struct ieee80211_hdr *hdr, size_t len)
4272 {
4273         struct ieee80211_mgmt *mgmt = (void *)hdr;
4274
4275         if (len < IEEE80211_MIN_ACTION_SIZE)
4276                 return false;
4277
4278         if (!ieee80211_is_action(hdr->frame_control))
4279                 return false;
4280
4281         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4282             mgmt->u.action.u.wnm_timing_msr.action_code ==
4283                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4284             len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4285                 return true;
4286
4287         return false;
4288 }
4289
4290 static inline bool ieee80211_is_ftm(struct ieee80211_hdr *hdr, size_t len)
4291 {
4292         struct ieee80211_mgmt *mgmt = (void *)hdr;
4293
4294         if (!ieee80211_is_public_action((void *)mgmt, len))
4295                 return false;
4296
4297         if (mgmt->u.action.u.ftm.action_code ==
4298                 WLAN_PUB_ACTION_FTM_RESPONSE &&
4299             len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4300                 return true;
4301
4302         return false;
4303 }
4304
4305 struct element {
4306         u8 id;
4307         u8 datalen;
4308         u8 data[];
4309 } __packed;
4310
4311 /* element iteration helpers */
4312 #define for_each_element(_elem, _data, _datalen)                        \
4313         for (_elem = (const struct element *)(_data);                   \
4314              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4315                 (int)sizeof(*_elem) &&                                  \
4316              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4317                 (int)sizeof(*_elem) + _elem->datalen;                   \
4318              _elem = (const struct element *)(_elem->data + _elem->datalen))
4319
4320 #define for_each_element_id(element, _id, data, datalen)                \
4321         for_each_element(element, data, datalen)                        \
4322                 if (element->id == (_id))
4323
4324 #define for_each_element_extid(element, extid, _data, _datalen)         \
4325         for_each_element(element, _data, _datalen)                      \
4326                 if (element->id == WLAN_EID_EXTENSION &&                \
4327                     element->datalen > 0 &&                             \
4328                     element->data[0] == (extid))
4329
4330 #define for_each_subelement(sub, element)                               \
4331         for_each_element(sub, (element)->data, (element)->datalen)
4332
4333 #define for_each_subelement_id(sub, id, element)                        \
4334         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4335
4336 #define for_each_subelement_extid(sub, extid, element)                  \
4337         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4338
4339 /* convert frequencies */
4340 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4341 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4342 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4343 #define KHZ_F "%d.%03d"
4344
4345 /* convert powers */
4346 #define DBI_TO_MBI(gain) ((gain) * 100)
4347 #define MBI_TO_DBI(gain) ((gain) / 100)
4348 #define DBM_TO_MBM(gain) ((gain) * 100)
4349 #define MBM_TO_DBM(gain) ((gain) / 100)
4350
4351 /**
4352  * for_each_element_completed - determine if element parsing consumed all data
4353  * @element: element pointer after for_each_element() or friends
4354  * @data: same data pointer as passed to for_each_element() or friends
4355  * @datalen: same data length as passed to for_each_element() or friends
4356  *
4357  * This function returns %true if all the data was parsed or considered
4358  * while walking the elements. Only use this if your for_each_element()
4359  * loop cannot be broken out of, otherwise it always returns %false.
4360  *
4361  * If some data was malformed, this returns %false since the last parsed
4362  * element will not fill the whole remaining data.
4363  */
4364 static inline bool for_each_element_completed(const struct element *element,
4365                                               const void *data, size_t datalen)
4366 {
4367         return (const u8 *)element == (const u8 *)data + datalen;
4368 }
4369
4370 /**
4371  * RSNX Capabilities:
4372  * bits 0-3: Field length (n-1)
4373  */
4374 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4375 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4376
4377 /*
4378  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4379  * section 9.4.2.170 and accepted contributions.
4380  */
4381 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4382 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4383 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4384 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4385 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4386 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4387
4388 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4389 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4390 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4391 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4392 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4393 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4394 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4395
4396 struct ieee80211_neighbor_ap_info {
4397         u8 tbtt_info_hdr;
4398         u8 tbtt_info_len;
4399         u8 op_class;
4400         u8 channel;
4401 } __packed;
4402
4403 enum ieee80211_range_params_max_total_ltf {
4404         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4405         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4406         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4407         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4408 };
4409
4410 /* multi-link device */
4411 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4412
4413 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4414 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4415 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4416 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4417 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4418 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4419 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4420
4421 struct ieee80211_multi_link_elem {
4422         __le16 control;
4423         u8 variable[];
4424 } __packed;
4425
4426 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4427 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4428 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4429 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4430 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4431 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4432
4433 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4434 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4435 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4436
4437 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4438 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4439 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4440 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4441 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4442 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4443 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4444 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4445 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4446 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4447 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4448 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4449 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4450 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4451 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4452 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4453 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4454 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4455 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4456 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4457 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4458 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4459 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4460 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4461 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4462 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4463 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4464 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4465 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4466 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4467 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4468 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4469 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4470 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4471
4472 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4473 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4474 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4475 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4476 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4477
4478 struct ieee80211_mle_basic_common_info {
4479         u8 len;
4480         u8 mld_mac_addr[6];
4481         u8 variable[];
4482 } __packed;
4483
4484 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4485
4486 struct ieee80211_mle_preq_common_info {
4487         u8 len;
4488         u8 variable[];
4489 } __packed;
4490
4491 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4492
4493 /* no fixed fields in RECONF */
4494
4495 struct ieee80211_mle_tdls_common_info {
4496         u8 len;
4497         u8 ap_mld_mac_addr[6];
4498 } __packed;
4499
4500 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4501
4502 /* no fixed fields in PRIO_ACCESS */
4503
4504 /**
4505  * ieee80211_mle_common_size - check multi-link element common size
4506  * @data: multi-link element, must already be checked for size using
4507  *      ieee80211_mle_size_ok()
4508  */
4509 static inline u8 ieee80211_mle_common_size(const u8 *data)
4510 {
4511         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4512         u16 control = le16_to_cpu(mle->control);
4513         u8 common = 0;
4514
4515         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4516         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4517         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4518         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4519                 /*
4520                  * The length is the first octet pointed by mle->variable so no
4521                  * need to add anything
4522                  */
4523                 break;
4524         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4525                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4526                         common += 6;
4527                 return common;
4528         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4529                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4530                         common += 6;
4531                 return common;
4532         default:
4533                 return 0;
4534         }
4535
4536         return sizeof(*mle) + common + mle->variable[0];
4537 }
4538
4539 /**
4540  * ieee80211_mle_size_ok - validate multi-link element size
4541  * @data: pointer to the element data
4542  * @len: length of the containing element
4543  */
4544 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4545 {
4546         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4547         u8 fixed = sizeof(*mle);
4548         u8 common = 0;
4549         bool check_common_len = false;
4550         u16 control;
4551
4552         if (len < fixed)
4553                 return false;
4554
4555         control = le16_to_cpu(mle->control);
4556
4557         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4558         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4559                 common += sizeof(struct ieee80211_mle_basic_common_info);
4560                 check_common_len = true;
4561                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4562                         common += 1;
4563                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4564                         common += 1;
4565                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4566                         common += 2;
4567                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4568                         common += 2;
4569                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4570                         common += 2;
4571                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4572                         common += 1;
4573                 break;
4574         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4575                 common += sizeof(struct ieee80211_mle_preq_common_info);
4576                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4577                         common += 1;
4578                 check_common_len = true;
4579                 break;
4580         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4581                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4582                         common += 6;
4583                 break;
4584         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4585                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4586                 check_common_len = true;
4587                 break;
4588         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4589                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4590                         common += 6;
4591                 break;
4592         default:
4593                 /* we don't know this type */
4594                 return true;
4595         }
4596
4597         if (len < fixed + common)
4598                 return false;
4599
4600         if (!check_common_len)
4601                 return true;
4602
4603         /* if present, common length is the first octet there */
4604         return mle->variable[0] >= common;
4605 }
4606
4607 enum ieee80211_mle_subelems {
4608         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4609         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
4610 };
4611
4612 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4613 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4614 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4615 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4616 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4617 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4618 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4619 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4620 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4621
4622 struct ieee80211_mle_per_sta_profile {
4623         __le16 control;
4624         u8 sta_info_len;
4625         u8 variable[];
4626 } __packed;
4627
4628 /**
4629  * ieee80211_mle_sta_prof_size_ok - validate multi-link element sta profile size
4630  * @data: pointer to the sub element data
4631  * @len: length of the containing sub element
4632  */
4633 static inline bool ieee80211_mle_sta_prof_size_ok(const u8 *data, size_t len)
4634 {
4635         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4636         u16 control;
4637         u8 fixed = sizeof(*prof);
4638         u8 info_len = 1;
4639
4640         if (len < fixed)
4641                 return false;
4642
4643         control = le16_to_cpu(prof->control);
4644
4645         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4646                 info_len += 6;
4647         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4648                 info_len += 2;
4649         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4650                 info_len += 8;
4651         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4652                 info_len += 2;
4653         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4654                 info_len += 1;
4655
4656         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4657             control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
4658                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4659                         info_len += 2;
4660                 else
4661                         info_len += 1;
4662         }
4663
4664         return prof->sta_info_len >= info_len &&
4665                fixed + prof->sta_info_len <= len;
4666 }
4667
4668 #define for_each_mle_subelement(_elem, _data, _len)                     \
4669         if (ieee80211_mle_size_ok(_data, _len))                         \
4670                 for_each_element(_elem,                                 \
4671                                  _data + ieee80211_mle_common_size(_data),\
4672                                  _len - ieee80211_mle_common_size(_data))
4673
4674 #endif /* __LINUX_IEEE80211_H */