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  * <[email protected]>
   7  * Copyright (c) 2002-2003, Jouni Malinen <[email protected]>
   8  * Copyright (c) 2005, Devicescape Software, Inc.
   9  * Copyright (c) 2006, Michael Wu <[email protected]>
  10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12  * Copyright (c) 2018 - 2022 Intel Corporation
  13  */
  14
  15 #ifndef LINUX_IEEE80211_H
  16 #define LINUX_IEEE80211_H
  17
  18 #include <linux/types.h>
  19 #include <linux/if_ether.h>
  20 #include <linux/etherdevice.h>
  21 #include <linux/bitfield.h>
  22 #include <asm/byteorder.h>
  23 #include <asm/unaligned.h>
  24
  25 /*
  26  * DS bit usage
  27  *
  28  * TA = transmitter address
  29  * RA = receiver address
  30  * DA = destination address
  31  * SA = source address
  32  *
  33  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  34  * -----------------------------------------------------------------
  35  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  36  *  0       1       DA      BSSID   SA      -       AP -> STA
  37  *  1       0       BSSID   SA      DA      -       AP <- STA
  38  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  39  */
  40
  41 #define FCS_LEN 4
  42
  43 #define IEEE80211_FCTL_VERS             0x0003
  44 #define IEEE80211_FCTL_FTYPE            0x000c
  45 #define IEEE80211_FCTL_STYPE            0x00f0
  46 #define IEEE80211_FCTL_TODS             0x0100
  47 #define IEEE80211_FCTL_FROMDS           0x0200
  48 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  49 #define IEEE80211_FCTL_RETRY            0x0800
  50 #define IEEE80211_FCTL_PM               0x1000
  51 #define IEEE80211_FCTL_MOREDATA         0x2000
  52 #define IEEE80211_FCTL_PROTECTED        0x4000
  53 #define IEEE80211_FCTL_ORDER            0x8000
  54 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  55
  56 #define IEEE80211_SCTL_FRAG             0x000F
  57 #define IEEE80211_SCTL_SEQ              0xFFF0
  58
  59 #define IEEE80211_FTYPE_MGMT            0x0000
  60 #define IEEE80211_FTYPE_CTL             0x0004
  61 #define IEEE80211_FTYPE_DATA            0x0008
  62 #define IEEE80211_FTYPE_EXT             0x000c
  63
  64 /* management */
  65 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  66 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  67 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  68 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  69 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  70 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  71 #define IEEE80211_STYPE_BEACON          0x0080
  72 #define IEEE80211_STYPE_ATIM            0x0090
  73 #define IEEE80211_STYPE_DISASSOC        0x00A0
  74 #define IEEE80211_STYPE_AUTH            0x00B0
  75 #define IEEE80211_STYPE_DEAUTH          0x00C0
  76 #define IEEE80211_STYPE_ACTION          0x00D0
  77
  78 /* control */
  79 #define IEEE80211_STYPE_TRIGGER         0x0020
  80 #define IEEE80211_STYPE_CTL_EXT         0x0060
  81 #define IEEE80211_STYPE_BACK_REQ        0x0080
  82 #define IEEE80211_STYPE_BACK            0x0090
  83 #define IEEE80211_STYPE_PSPOLL          0x00A0
  84 #define IEEE80211_STYPE_RTS             0x00B0
  85 #define IEEE80211_STYPE_CTS             0x00C0
  86 #define IEEE80211_STYPE_ACK             0x00D0
  87 #define IEEE80211_STYPE_CFEND           0x00E0
  88 #define IEEE80211_STYPE_CFENDACK        0x00F0
  89
  90 /* data */
  91 #define IEEE80211_STYPE_DATA                    0x0000
  92 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  93 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  94 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  95 #define IEEE80211_STYPE_NULLFUNC                0x0040
  96 #define IEEE80211_STYPE_CFACK                   0x0050
  97 #define IEEE80211_STYPE_CFPOLL                  0x0060
  98 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  99 #define IEEE80211_STYPE_QOS_DATA                0x0080
 100 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
 101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 103 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 104 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 105 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 106 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 107
 108 /* extension, added by 802.11ad */
 109 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 110 #define IEEE80211_STYPE_S1G_BEACON              0x0010
 111
 112 /* bits unique to S1G beacon */
 113 #define IEEE80211_S1G_BCN_NEXT_TBTT     0x100
 114
 115 /* see 802.11ah-2016 9.9 NDP CMAC frames */
 116 #define IEEE80211_S1G_1MHZ_NDP_BITS     25
 117 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
 118 #define IEEE80211_S1G_2MHZ_NDP_BITS     37
 119 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
 120
 121 #define IEEE80211_NDP_FTYPE_CTS                 0
 122 #define IEEE80211_NDP_FTYPE_CF_END              0
 123 #define IEEE80211_NDP_FTYPE_PS_POLL             1
 124 #define IEEE80211_NDP_FTYPE_ACK                 2
 125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK         3
 126 #define IEEE80211_NDP_FTYPE_BA                  4
 127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL      5
 128 #define IEEE80211_NDP_FTYPE_PAGING              6
 129 #define IEEE80211_NDP_FTYPE_PREQ                7
 130
 131 #define SM64(f, v)      ((((u64)v) << f##_S) & f)
 132
 133 /* NDP CMAC frame fields */
 134 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
 135 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
 136
 137 /* 1M Probe Request 11ah 9.9.3.1.1 */
 138 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
 139 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
 140 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
 141 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
 142 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
 143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
 144 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 145 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 146 /* 2M Probe Request 11ah 9.9.3.1.2 */
 147 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
 148 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
 149 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
 150 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
 151 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
 152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
 153
 154 #define IEEE80211_ANO_NETTYPE_WILD              15
 155
 156 /* bits unique to S1G beacon */
 157 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
 158
 159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 160 #define IEEE80211_CTL_EXT_POLL          0x2000
 161 #define IEEE80211_CTL_EXT_SPR           0x3000
 162 #define IEEE80211_CTL_EXT_GRANT 0x4000
 163 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 164 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 165 #define IEEE80211_CTL_EXT_SSW           0x8000
 166 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 167 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 168
 169
 170 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 171 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 172 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 173
 174
 175 /* PV1 Layout 11ah 9.8.3.1 */
 176 #define IEEE80211_PV1_FCTL_VERS         0x0003
 177 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 178 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 179 #define IEEE80211_PV1_FCTL_TODS         0x0100
 180 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 181 #define IEEE80211_PV1_FCTL_PM           0x0400
 182 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 183 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 184 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 185 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 186 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 187 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 188
 189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 190 {
 191         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 192 }
 193
 194 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 195 {
 196         return (sn1 + sn2) & IEEE80211_SN_MASK;
 197 }
 198
 199 static inline u16 ieee80211_sn_inc(u16 sn)
 200 {
 201         return ieee80211_sn_add(sn, 1);
 202 }
 203
 204 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 205 {
 206         return (sn1 - sn2) & IEEE80211_SN_MASK;
 207 }
 208
 209 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 210 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 211
 212 /* miscellaneous IEEE 802.11 constants */
 213 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 214 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 215 #define IEEE80211_MAX_AID               2007
 216 #define IEEE80211_MAX_AID_S1G           8191
 217 #define IEEE80211_MAX_TIM_LEN           251
 218 #define IEEE80211_MAX_MESH_PEERINGS     63
 219 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 220    6.2.1.1.2.
 221
 222    802.11e clarifies the figure in section 7.1.2. The frame body is
 223    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 224 #define IEEE80211_MAX_DATA_LEN          2304
 225 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 226  * to 7920 bytes, see 8.2.3 General frame format
 227  */
 228 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 229 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 230 #define IEEE80211_MAX_FRAME_LEN         2352
 231
 232 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 233 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 234
 235 /* Maximal size of an A-MSDU */
 236 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 237 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 238
 239 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 240 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 241 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 242
 243 #define IEEE80211_MAX_SSID_LEN          32
 244
 245 #define IEEE80211_MAX_MESH_ID_LEN       32
 246
 247 #define IEEE80211_FIRST_TSPEC_TSID      8
 248 #define IEEE80211_NUM_TIDS              16
 249
 250 /* number of user priorities 802.11 uses */
 251 #define IEEE80211_NUM_UPS               8
 252 /* number of ACs */
 253 #define IEEE80211_NUM_ACS               4
 254
 255 #define IEEE80211_QOS_CTL_LEN           2
 256 /* 1d tag mask */
 257 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 258 /* TID mask */
 259 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 260 /* EOSP */
 261 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 262 /* ACK policy */
 263 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 264 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 265 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 266 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 267 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 268 /* A-MSDU 802.11n */
 269 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 270 /* Mesh Control 802.11s */
 271 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 272
 273 /* Mesh Power Save Level */
 274 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 275 /* Mesh Receiver Service Period Initiated */
 276 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 277
 278 /* U-APSD queue for WMM IEs sent by AP */
 279 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 280 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 281
 282 /* U-APSD queues for WMM IEs sent by STA */
 283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 286 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 287 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 288
 289 /* U-APSD max SP length for WMM IEs sent by STA */
 290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 294 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 296
 297 #define IEEE80211_HT_CTL_LEN            4
 298
 299 /* trigger type within common_info of trigger frame */
 300 #define IEEE80211_TRIGGER_TYPE_MASK             0xf
 301 #define IEEE80211_TRIGGER_TYPE_BASIC            0x0
 302 #define IEEE80211_TRIGGER_TYPE_BFRP             0x1
 303 #define IEEE80211_TRIGGER_TYPE_MU_BAR           0x2
 304 #define IEEE80211_TRIGGER_TYPE_MU_RTS           0x3
 305 #define IEEE80211_TRIGGER_TYPE_BSRP             0x4
 306 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR       0x5
 307 #define IEEE80211_TRIGGER_TYPE_BQRP             0x6
 308 #define IEEE80211_TRIGGER_TYPE_NFRP             0x7
 309
 310 struct ieee80211_hdr {
 311         __le16 frame_control;
 312         __le16 duration_id;
 313         struct_group(addrs,
 314                 u8 addr1[ETH_ALEN];
 315                 u8 addr2[ETH_ALEN];
 316                 u8 addr3[ETH_ALEN];
 317         );
 318         __le16 seq_ctrl;
 319         u8 addr4[ETH_ALEN];
 320 } __packed __aligned(2);
 321
 322 struct ieee80211_hdr_3addr {
 323         __le16 frame_control;
 324         __le16 duration_id;
 325         u8 addr1[ETH_ALEN];
 326         u8 addr2[ETH_ALEN];
 327         u8 addr3[ETH_ALEN];
 328         __le16 seq_ctrl;
 329 } __packed __aligned(2);
 330
 331 struct ieee80211_qos_hdr {
 332         __le16 frame_control;
 333         __le16 duration_id;
 334         u8 addr1[ETH_ALEN];
 335         u8 addr2[ETH_ALEN];
 336         u8 addr3[ETH_ALEN];
 337         __le16 seq_ctrl;
 338         __le16 qos_ctrl;
 339 } __packed __aligned(2);
 340
 341 struct ieee80211_qos_hdr_4addr {
 342         __le16 frame_control;
 343         __le16 duration_id;
 344         u8 addr1[ETH_ALEN];
 345         u8 addr2[ETH_ALEN];
 346         u8 addr3[ETH_ALEN];
 347         __le16 seq_ctrl;
 348         u8 addr4[ETH_ALEN];
 349         __le16 qos_ctrl;
 350 } __packed __aligned(2);
 351
 352 struct ieee80211_trigger {
 353         __le16 frame_control;
 354         __le16 duration;
 355         u8 ra[ETH_ALEN];
 356         u8 ta[ETH_ALEN];
 357         __le64 common_info;
 358         u8 variable[];
 359 } __packed __aligned(2);
 360
 361 /**
 362  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 363  * @fc: frame control bytes in little-endian byteorder
 364  */
 365 static inline bool ieee80211_has_tods(__le16 fc)
 366 {
 367         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 368 }
 369
 370 /**
 371  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 372  * @fc: frame control bytes in little-endian byteorder
 373  */
 374 static inline bool ieee80211_has_fromds(__le16 fc)
 375 {
 376         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 377 }
 378
 379 /**
 380  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 381  * @fc: frame control bytes in little-endian byteorder
 382  */
 383 static inline bool ieee80211_has_a4(__le16 fc)
 384 {
 385         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 386         return (fc & tmp) == tmp;
 387 }
 388
 389 /**
 390  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 391  * @fc: frame control bytes in little-endian byteorder
 392  */
 393 static inline bool ieee80211_has_morefrags(__le16 fc)
 394 {
 395         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 396 }
 397
 398 /**
 399  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 400  * @fc: frame control bytes in little-endian byteorder
 401  */
 402 static inline bool ieee80211_has_retry(__le16 fc)
 403 {
 404         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 405 }
 406
 407 /**
 408  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 409  * @fc: frame control bytes in little-endian byteorder
 410  */
 411 static inline bool ieee80211_has_pm(__le16 fc)
 412 {
 413         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 414 }
 415
 416 /**
 417  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 418  * @fc: frame control bytes in little-endian byteorder
 419  */
 420 static inline bool ieee80211_has_moredata(__le16 fc)
 421 {
 422         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 423 }
 424
 425 /**
 426  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 427  * @fc: frame control bytes in little-endian byteorder
 428  */
 429 static inline bool ieee80211_has_protected(__le16 fc)
 430 {
 431         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 432 }
 433
 434 /**
 435  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 436  * @fc: frame control bytes in little-endian byteorder
 437  */
 438 static inline bool ieee80211_has_order(__le16 fc)
 439 {
 440         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 441 }
 442
 443 /**
 444  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 445  * @fc: frame control bytes in little-endian byteorder
 446  */
 447 static inline bool ieee80211_is_mgmt(__le16 fc)
 448 {
 449         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 450                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 451 }
 452
 453 /**
 454  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 455  * @fc: frame control bytes in little-endian byteorder
 456  */
 457 static inline bool ieee80211_is_ctl(__le16 fc)
 458 {
 459         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 460                cpu_to_le16(IEEE80211_FTYPE_CTL);
 461 }
 462
 463 /**
 464  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 465  * @fc: frame control bytes in little-endian byteorder
 466  */
 467 static inline bool ieee80211_is_data(__le16 fc)
 468 {
 469         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 470                cpu_to_le16(IEEE80211_FTYPE_DATA);
 471 }
 472
 473 /**
 474  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 475  * @fc: frame control bytes in little-endian byteorder
 476  */
 477 static inline bool ieee80211_is_ext(__le16 fc)
 478 {
 479         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 480                cpu_to_le16(IEEE80211_FTYPE_EXT);
 481 }
 482
 483
 484 /**
 485  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 486  * @fc: frame control bytes in little-endian byteorder
 487  */
 488 static inline bool ieee80211_is_data_qos(__le16 fc)
 489 {
 490         /*
 491          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 492          * to check the one bit
 493          */
 494         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 495                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 496 }
 497
 498 /**
 499  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 500  * @fc: frame control bytes in little-endian byteorder
 501  */
 502 static inline bool ieee80211_is_data_present(__le16 fc)
 503 {
 504         /*
 505          * mask with 0x40 and test that that bit is clear to only return true
 506          * for the data-containing substypes.
 507          */
 508         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 509                cpu_to_le16(IEEE80211_FTYPE_DATA);
 510 }
 511
 512 /**
 513  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 514  * @fc: frame control bytes in little-endian byteorder
 515  */
 516 static inline bool ieee80211_is_assoc_req(__le16 fc)
 517 {
 518         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 519                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 520 }
 521
 522 /**
 523  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 524  * @fc: frame control bytes in little-endian byteorder
 525  */
 526 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 527 {
 528         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 529                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 530 }
 531
 532 /**
 533  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 534  * @fc: frame control bytes in little-endian byteorder
 535  */
 536 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 537 {
 538         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 539                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 540 }
 541
 542 /**
 543  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 544  * @fc: frame control bytes in little-endian byteorder
 545  */
 546 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 547 {
 548         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 549                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 550 }
 551
 552 /**
 553  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 554  * @fc: frame control bytes in little-endian byteorder
 555  */
 556 static inline bool ieee80211_is_probe_req(__le16 fc)
 557 {
 558         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 559                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 560 }
 561
 562 /**
 563  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 564  * @fc: frame control bytes in little-endian byteorder
 565  */
 566 static inline bool ieee80211_is_probe_resp(__le16 fc)
 567 {
 568         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 569                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 570 }
 571
 572 /**
 573  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 574  * @fc: frame control bytes in little-endian byteorder
 575  */
 576 static inline bool ieee80211_is_beacon(__le16 fc)
 577 {
 578         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 579                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 580 }
 581
 582 /**
 583  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 584  * IEEE80211_STYPE_S1G_BEACON
 585  * @fc: frame control bytes in little-endian byteorder
 586  */
 587 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 588 {
 589         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 590                                  IEEE80211_FCTL_STYPE)) ==
 591                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 592 }
 593
 594 /**
 595  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 596  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 597  * @fc: frame control bytes in little-endian byteorder
 598  */
 599 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 600 {
 601         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 602                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 603                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 604 }
 605
 606 /**
 607  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 608  * true for S1G beacons when they're short.
 609  * @fc: frame control bytes in little-endian byteorder
 610  */
 611 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 612 {
 613         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 614 }
 615
 616 /**
 617  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 618  * @fc: frame control bytes in little-endian byteorder
 619  */
 620 static inline bool ieee80211_is_atim(__le16 fc)
 621 {
 622         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 623                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 624 }
 625
 626 /**
 627  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 628  * @fc: frame control bytes in little-endian byteorder
 629  */
 630 static inline bool ieee80211_is_disassoc(__le16 fc)
 631 {
 632         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 633                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 634 }
 635
 636 /**
 637  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 638  * @fc: frame control bytes in little-endian byteorder
 639  */
 640 static inline bool ieee80211_is_auth(__le16 fc)
 641 {
 642         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 643                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 644 }
 645
 646 /**
 647  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 648  * @fc: frame control bytes in little-endian byteorder
 649  */
 650 static inline bool ieee80211_is_deauth(__le16 fc)
 651 {
 652         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 653                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 654 }
 655
 656 /**
 657  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 658  * @fc: frame control bytes in little-endian byteorder
 659  */
 660 static inline bool ieee80211_is_action(__le16 fc)
 661 {
 662         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 663                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 664 }
 665
 666 /**
 667  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 668  * @fc: frame control bytes in little-endian byteorder
 669  */
 670 static inline bool ieee80211_is_back_req(__le16 fc)
 671 {
 672         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 673                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 674 }
 675
 676 /**
 677  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 678  * @fc: frame control bytes in little-endian byteorder
 679  */
 680 static inline bool ieee80211_is_back(__le16 fc)
 681 {
 682         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 683                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 684 }
 685
 686 /**
 687  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 688  * @fc: frame control bytes in little-endian byteorder
 689  */
 690 static inline bool ieee80211_is_pspoll(__le16 fc)
 691 {
 692         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 693                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 694 }
 695
 696 /**
 697  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 698  * @fc: frame control bytes in little-endian byteorder
 699  */
 700 static inline bool ieee80211_is_rts(__le16 fc)
 701 {
 702         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 703                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 704 }
 705
 706 /**
 707  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 708  * @fc: frame control bytes in little-endian byteorder
 709  */
 710 static inline bool ieee80211_is_cts(__le16 fc)
 711 {
 712         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 713                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 714 }
 715
 716 /**
 717  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 718  * @fc: frame control bytes in little-endian byteorder
 719  */
 720 static inline bool ieee80211_is_ack(__le16 fc)
 721 {
 722         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 723                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 724 }
 725
 726 /**
 727  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 728  * @fc: frame control bytes in little-endian byteorder
 729  */
 730 static inline bool ieee80211_is_cfend(__le16 fc)
 731 {
 732         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 733                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 734 }
 735
 736 /**
 737  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 738  * @fc: frame control bytes in little-endian byteorder
 739  */
 740 static inline bool ieee80211_is_cfendack(__le16 fc)
 741 {
 742         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 743                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 744 }
 745
 746 /**
 747  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 748  * @fc: frame control bytes in little-endian byteorder
 749  */
 750 static inline bool ieee80211_is_nullfunc(__le16 fc)
 751 {
 752         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 753                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 754 }
 755
 756 /**
 757  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 758  * @fc: frame control bytes in little-endian byteorder
 759  */
 760 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 761 {
 762         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 763                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 764 }
 765
 766 /**
 767  * ieee80211_is_trigger - check if frame is trigger frame
 768  * @fc: frame control field in little-endian byteorder
 769  */
 770 static inline bool ieee80211_is_trigger(__le16 fc)
 771 {
 772         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 773                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
 774 }
 775
 776 /**
 777  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 778  * @fc: frame control bytes in little-endian byteorder
 779  */
 780 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 781 {
 782         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 783 }
 784
 785 /**
 786  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 787  * @fc: frame control field in little-endian byteorder
 788  */
 789 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 790 {
 791         /* IEEE 802.11-2012, definition of "bufferable management frame";
 792          * note that this ignores the IBSS special case. */
 793         return ieee80211_is_mgmt(fc) &&
 794                (ieee80211_is_action(fc) ||
 795                 ieee80211_is_disassoc(fc) ||
 796                 ieee80211_is_deauth(fc));
 797 }
 798
 799 /**
 800  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 801  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 802  */
 803 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 804 {
 805         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 806 }
 807
 808 /**
 809  * ieee80211_is_frag - check if a frame is a fragment
 810  * @hdr: 802.11 header of the frame
 811  */
 812 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 813 {
 814         return ieee80211_has_morefrags(hdr->frame_control) ||
 815                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 816 }
 817
 818 struct ieee80211s_hdr {
 819         u8 flags;
 820         u8 ttl;
 821         __le32 seqnum;
 822         u8 eaddr1[ETH_ALEN];
 823         u8 eaddr2[ETH_ALEN];
 824 } __packed __aligned(2);
 825
 826 /* Mesh flags */
 827 #define MESH_FLAGS_AE_A4        0x1
 828 #define MESH_FLAGS_AE_A5_A6     0x2
 829 #define MESH_FLAGS_AE           0x3
 830 #define MESH_FLAGS_PS_DEEP      0x4
 831
 832 /**
 833  * enum ieee80211_preq_flags - mesh PREQ element flags
 834  *
 835  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 836  */
 837 enum ieee80211_preq_flags {
 838         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 839 };
 840
 841 /**
 842  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 843  *
 844  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 845  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 846  */
 847 enum ieee80211_preq_target_flags {
 848         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 849         IEEE80211_PREQ_USN_FLAG = 1<<2,
 850 };
 851
 852 /**
 853  * struct ieee80211_quiet_ie
 854  *
 855  * This structure refers to "Quiet information element"
 856  */
 857 struct ieee80211_quiet_ie {
 858         u8 count;
 859         u8 period;
 860         __le16 duration;
 861         __le16 offset;
 862 } __packed;
 863
 864 /**
 865  * struct ieee80211_msrment_ie
 866  *
 867  * This structure refers to "Measurement Request/Report information element"
 868  */
 869 struct ieee80211_msrment_ie {
 870         u8 token;
 871         u8 mode;
 872         u8 type;
 873         u8 request[];
 874 } __packed;
 875
 876 /**
 877  * struct ieee80211_channel_sw_ie
 878  *
 879  * This structure refers to "Channel Switch Announcement information element"
 880  */
 881 struct ieee80211_channel_sw_ie {
 882         u8 mode;
 883         u8 new_ch_num;
 884         u8 count;
 885 } __packed;
 886
 887 /**
 888  * struct ieee80211_ext_chansw_ie
 889  *
 890  * This structure represents the "Extended Channel Switch Announcement element"
 891  */
 892 struct ieee80211_ext_chansw_ie {
 893         u8 mode;
 894         u8 new_operating_class;
 895         u8 new_ch_num;
 896         u8 count;
 897 } __packed;
 898
 899 /**
 900  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 901  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 902  *      values here
 903  * This structure represents the "Secondary Channel Offset element"
 904  */
 905 struct ieee80211_sec_chan_offs_ie {
 906         u8 sec_chan_offs;
 907 } __packed;
 908
 909 /**
 910  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 911  *
 912  * This structure represents the "Mesh Channel Switch Paramters element"
 913  */
 914 struct ieee80211_mesh_chansw_params_ie {
 915         u8 mesh_ttl;
 916         u8 mesh_flags;
 917         __le16 mesh_reason;
 918         __le16 mesh_pre_value;
 919 } __packed;
 920
 921 /**
 922  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 923  */
 924 struct ieee80211_wide_bw_chansw_ie {
 925         u8 new_channel_width;
 926         u8 new_center_freq_seg0, new_center_freq_seg1;
 927 } __packed;
 928
 929 /**
 930  * struct ieee80211_tim
 931  *
 932  * This structure refers to "Traffic Indication Map information element"
 933  */
 934 struct ieee80211_tim_ie {
 935         u8 dtim_count;
 936         u8 dtim_period;
 937         u8 bitmap_ctrl;
 938         /* variable size: 1 - 251 bytes */
 939         u8 virtual_map[1];
 940 } __packed;
 941
 942 /**
 943  * struct ieee80211_meshconf_ie
 944  *
 945  * This structure refers to "Mesh Configuration information element"
 946  */
 947 struct ieee80211_meshconf_ie {
 948         u8 meshconf_psel;
 949         u8 meshconf_pmetric;
 950         u8 meshconf_congest;
 951         u8 meshconf_synch;
 952         u8 meshconf_auth;
 953         u8 meshconf_form;
 954         u8 meshconf_cap;
 955 } __packed;
 956
 957 /**
 958  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 959  *
 960  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 961  *      additional mesh peerings with other mesh STAs
 962  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 963  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 964  *      is ongoing
 965  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 966  *      neighbors in deep sleep mode
 967  */
 968 enum mesh_config_capab_flags {
 969         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 970         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 971         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 972         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 973 };
 974
 975 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 976
 977 /**
 978  * mesh channel switch parameters element's flag indicator
 979  *
 980  */
 981 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 982 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 983 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 984
 985 /**
 986  * struct ieee80211_rann_ie
 987  *
 988  * This structure refers to "Root Announcement information element"
 989  */
 990 struct ieee80211_rann_ie {
 991         u8 rann_flags;
 992         u8 rann_hopcount;
 993         u8 rann_ttl;
 994         u8 rann_addr[ETH_ALEN];
 995         __le32 rann_seq;
 996         __le32 rann_interval;
 997         __le32 rann_metric;
 998 } __packed;
 999
1000 enum ieee80211_rann_flags {
1001         RANN_FLAG_IS_GATE = 1 << 0,
1002 };
1003
1004 enum ieee80211_ht_chanwidth_values {
1005         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1006         IEEE80211_HT_CHANWIDTH_ANY = 1,
1007 };
1008
1009 /**
1010  * enum ieee80211_opmode_bits - VHT operating mode field bits
1011  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1012  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1013  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1014  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1015  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1016  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1017  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1018  *      (the NSS value is the value of this field + 1)
1019  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1020  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1021  *      using a beamforming steering matrix
1022  */
1023 enum ieee80211_vht_opmode_bits {
1024         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1025         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1026         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1027         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1028         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1029         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1030         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1031         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1032         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1033 };
1034
1035 /**
1036  * enum ieee80211_s1g_chanwidth
1037  * These are defined in IEEE802.11-2016ah Table 10-20
1038  * as BSS Channel Width
1039  *
1040  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1041  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1042  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1043  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1044  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1045  */
1046 enum ieee80211_s1g_chanwidth {
1047         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1048         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1049         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1050         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1051         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1052 };
1053
1054 #define WLAN_SA_QUERY_TR_ID_LEN 2
1055 #define WLAN_MEMBERSHIP_LEN 8
1056 #define WLAN_USER_POSITION_LEN 16
1057
1058 /**
1059  * struct ieee80211_tpc_report_ie
1060  *
1061  * This structure refers to "TPC Report element"
1062  */
1063 struct ieee80211_tpc_report_ie {
1064         u8 tx_power;
1065         u8 link_margin;
1066 } __packed;
1067
1068 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1069 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1070 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1071 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1072 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1073
1074 struct ieee80211_addba_ext_ie {
1075         u8 data;
1076 } __packed;
1077
1078 /**
1079  * struct ieee80211_s1g_bcn_compat_ie
1080  *
1081  * S1G Beacon Compatibility element
1082  */
1083 struct ieee80211_s1g_bcn_compat_ie {
1084         __le16 compat_info;
1085         __le16 beacon_int;
1086         __le32 tsf_completion;
1087 } __packed;
1088
1089 /**
1090  * struct ieee80211_s1g_oper_ie
1091  *
1092  * S1G Operation element
1093  */
1094 struct ieee80211_s1g_oper_ie {
1095         u8 ch_width;
1096         u8 oper_class;
1097         u8 primary_ch;
1098         u8 oper_ch;
1099         __le16 basic_mcs_nss;
1100 } __packed;
1101
1102 /**
1103  * struct ieee80211_aid_response_ie
1104  *
1105  * AID Response element
1106  */
1107 struct ieee80211_aid_response_ie {
1108         __le16 aid;
1109         u8 switch_count;
1110         __le16 response_int;
1111 } __packed;
1112
1113 struct ieee80211_s1g_cap {
1114         u8 capab_info[10];
1115         u8 supp_mcs_nss[5];
1116 } __packed;
1117
1118 struct ieee80211_ext {
1119         __le16 frame_control;
1120         __le16 duration;
1121         union {
1122                 struct {
1123                         u8 sa[ETH_ALEN];
1124                         __le32 timestamp;
1125                         u8 change_seq;
1126                         u8 variable[0];
1127                 } __packed s1g_beacon;
1128                 struct {
1129                         u8 sa[ETH_ALEN];
1130                         __le32 timestamp;
1131                         u8 change_seq;
1132                         u8 next_tbtt[3];
1133                         u8 variable[0];
1134                 } __packed s1g_short_beacon;
1135         } u;
1136 } __packed __aligned(2);
1137
1138 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1139 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1140 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1141 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1142 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1143
1144 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1145 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1146 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1147 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1148 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1149 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1150 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1151 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1152
1153 enum ieee80211_twt_setup_cmd {
1154         TWT_SETUP_CMD_REQUEST,
1155         TWT_SETUP_CMD_SUGGEST,
1156         TWT_SETUP_CMD_DEMAND,
1157         TWT_SETUP_CMD_GROUPING,
1158         TWT_SETUP_CMD_ACCEPT,
1159         TWT_SETUP_CMD_ALTERNATE,
1160         TWT_SETUP_CMD_DICTATE,
1161         TWT_SETUP_CMD_REJECT,
1162 };
1163
1164 struct ieee80211_twt_params {
1165         __le16 req_type;
1166         __le64 twt;
1167         u8 min_twt_dur;
1168         __le16 mantissa;
1169         u8 channel;
1170 } __packed;
1171
1172 struct ieee80211_twt_setup {
1173         u8 dialog_token;
1174         u8 element_id;
1175         u8 length;
1176         u8 control;
1177         u8 params[];
1178 } __packed;
1179
1180 struct ieee80211_mgmt {
1181         __le16 frame_control;
1182         __le16 duration;
1183         u8 da[ETH_ALEN];
1184         u8 sa[ETH_ALEN];
1185         u8 bssid[ETH_ALEN];
1186         __le16 seq_ctrl;
1187         union {
1188                 struct {
1189                         __le16 auth_alg;
1190                         __le16 auth_transaction;
1191                         __le16 status_code;
1192                         /* possibly followed by Challenge text */
1193                         u8 variable[];
1194                 } __packed auth;
1195                 struct {
1196                         __le16 reason_code;
1197                 } __packed deauth;
1198                 struct {
1199                         __le16 capab_info;
1200                         __le16 listen_interval;
1201                         /* followed by SSID and Supported rates */
1202                         u8 variable[];
1203                 } __packed assoc_req;
1204                 struct {
1205                         __le16 capab_info;
1206                         __le16 status_code;
1207                         __le16 aid;
1208                         /* followed by Supported rates */
1209                         u8 variable[];
1210                 } __packed assoc_resp, reassoc_resp;
1211                 struct {
1212                         __le16 capab_info;
1213                         __le16 status_code;
1214                         u8 variable[];
1215                 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1216                 struct {
1217                         __le16 capab_info;
1218                         __le16 listen_interval;
1219                         u8 current_ap[ETH_ALEN];
1220                         /* followed by SSID and Supported rates */
1221                         u8 variable[];
1222                 } __packed reassoc_req;
1223                 struct {
1224                         __le16 reason_code;
1225                 } __packed disassoc;
1226                 struct {
1227                         __le64 timestamp;
1228                         __le16 beacon_int;
1229                         __le16 capab_info;
1230                         /* followed by some of SSID, Supported rates,
1231                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1232                         u8 variable[];
1233                 } __packed beacon;
1234                 struct {
1235                         /* only variable items: SSID, Supported rates */
1236                         DECLARE_FLEX_ARRAY(u8, variable);
1237                 } __packed probe_req;
1238                 struct {
1239                         __le64 timestamp;
1240                         __le16 beacon_int;
1241                         __le16 capab_info;
1242                         /* followed by some of SSID, Supported rates,
1243                          * FH Params, DS Params, CF Params, IBSS Params */
1244                         u8 variable[];
1245                 } __packed probe_resp;
1246                 struct {
1247                         u8 category;
1248                         union {
1249                                 struct {
1250                                         u8 action_code;
1251                                         u8 dialog_token;
1252                                         u8 status_code;
1253                                         u8 variable[];
1254                                 } __packed wme_action;
1255                                 struct{
1256                                         u8 action_code;
1257                                         u8 variable[];
1258                                 } __packed chan_switch;
1259                                 struct{
1260                                         u8 action_code;
1261                                         struct ieee80211_ext_chansw_ie data;
1262                                         u8 variable[];
1263                                 } __packed ext_chan_switch;
1264                                 struct{
1265                                         u8 action_code;
1266                                         u8 dialog_token;
1267                                         u8 element_id;
1268                                         u8 length;
1269                                         struct ieee80211_msrment_ie msr_elem;
1270                                 } __packed measurement;
1271                                 struct{
1272                                         u8 action_code;
1273                                         u8 dialog_token;
1274                                         __le16 capab;
1275                                         __le16 timeout;
1276                                         __le16 start_seq_num;
1277                                         /* followed by BA Extension */
1278                                         u8 variable[];
1279                                 } __packed addba_req;
1280                                 struct{
1281                                         u8 action_code;
1282                                         u8 dialog_token;
1283                                         __le16 status;
1284                                         __le16 capab;
1285                                         __le16 timeout;
1286                                 } __packed addba_resp;
1287                                 struct{
1288                                         u8 action_code;
1289                                         __le16 params;
1290                                         __le16 reason_code;
1291                                 } __packed delba;
1292                                 struct {
1293                                         u8 action_code;
1294                                         u8 variable[];
1295                                 } __packed self_prot;
1296                                 struct{
1297                                         u8 action_code;
1298                                         u8 variable[];
1299                                 } __packed mesh_action;
1300                                 struct {
1301                                         u8 action;
1302                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1303                                 } __packed sa_query;
1304                                 struct {
1305                                         u8 action;
1306                                         u8 smps_control;
1307                                 } __packed ht_smps;
1308                                 struct {
1309                                         u8 action_code;
1310                                         u8 chanwidth;
1311                                 } __packed ht_notify_cw;
1312                                 struct {
1313                                         u8 action_code;
1314                                         u8 dialog_token;
1315                                         __le16 capability;
1316                                         u8 variable[0];
1317                                 } __packed tdls_discover_resp;
1318                                 struct {
1319                                         u8 action_code;
1320                                         u8 operating_mode;
1321                                 } __packed vht_opmode_notif;
1322                                 struct {
1323                                         u8 action_code;
1324                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1325                                         u8 position[WLAN_USER_POSITION_LEN];
1326                                 } __packed vht_group_notif;
1327                                 struct {
1328                                         u8 action_code;
1329                                         u8 dialog_token;
1330                                         u8 tpc_elem_id;
1331                                         u8 tpc_elem_length;
1332                                         struct ieee80211_tpc_report_ie tpc;
1333                                 } __packed tpc_report;
1334                                 struct {
1335                                         u8 action_code;
1336                                         u8 dialog_token;
1337                                         u8 follow_up;
1338                                         u8 tod[6];
1339                                         u8 toa[6];
1340                                         __le16 tod_error;
1341                                         __le16 toa_error;
1342                                         u8 variable[];
1343                                 } __packed ftm;
1344                                 struct {
1345                                         u8 action_code;
1346                                         u8 variable[];
1347                                 } __packed s1g;
1348                                 struct {
1349                                         u8 action_code;
1350                                         u8 dialog_token;
1351                                         u8 follow_up;
1352                                         u32 tod;
1353                                         u32 toa;
1354                                         u8 max_tod_error;
1355                                         u8 max_toa_error;
1356                                 } __packed wnm_timing_msr;
1357                         } u;
1358                 } __packed action;
1359                 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1360         } u;
1361 } __packed __aligned(2);
1362
1363 /* Supported rates membership selectors */
1364 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1365 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1366 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1367 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1368
1369 /* mgmt header + 1 byte category code */
1370 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1371
1372
1373 /* Management MIC information element (IEEE 802.11w) */
1374 struct ieee80211_mmie {
1375         u8 element_id;
1376         u8 length;
1377         __le16 key_id;
1378         u8 sequence_number[6];
1379         u8 mic[8];
1380 } __packed;
1381
1382 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1383 struct ieee80211_mmie_16 {
1384         u8 element_id;
1385         u8 length;
1386         __le16 key_id;
1387         u8 sequence_number[6];
1388         u8 mic[16];
1389 } __packed;
1390
1391 struct ieee80211_vendor_ie {
1392         u8 element_id;
1393         u8 len;
1394         u8 oui[3];
1395         u8 oui_type;
1396 } __packed;
1397
1398 struct ieee80211_wmm_ac_param {
1399         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1400         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1401         __le16 txop_limit;
1402 } __packed;
1403
1404 struct ieee80211_wmm_param_ie {
1405         u8 element_id; /* Element ID: 221 (0xdd); */
1406         u8 len; /* Length: 24 */
1407         /* required fields for WMM version 1 */
1408         u8 oui[3]; /* 00:50:f2 */
1409         u8 oui_type; /* 2 */
1410         u8 oui_subtype; /* 1 */
1411         u8 version; /* 1 for WMM version 1.0 */
1412         u8 qos_info; /* AP/STA specific QoS info */
1413         u8 reserved; /* 0 */
1414         /* AC_BE, AC_BK, AC_VI, AC_VO */
1415         struct ieee80211_wmm_ac_param ac[4];
1416 } __packed;
1417
1418 /* Control frames */
1419 struct ieee80211_rts {
1420         __le16 frame_control;
1421         __le16 duration;
1422         u8 ra[ETH_ALEN];
1423         u8 ta[ETH_ALEN];
1424 } __packed __aligned(2);
1425
1426 struct ieee80211_cts {
1427         __le16 frame_control;
1428         __le16 duration;
1429         u8 ra[ETH_ALEN];
1430 } __packed __aligned(2);
1431
1432 struct ieee80211_pspoll {
1433         __le16 frame_control;
1434         __le16 aid;
1435         u8 bssid[ETH_ALEN];
1436         u8 ta[ETH_ALEN];
1437 } __packed __aligned(2);
1438
1439 /* TDLS */
1440
1441 /* Channel switch timing */
1442 struct ieee80211_ch_switch_timing {
1443         __le16 switch_time;
1444         __le16 switch_timeout;
1445 } __packed;
1446
1447 /* Link-id information element */
1448 struct ieee80211_tdls_lnkie {
1449         u8 ie_type; /* Link Identifier IE */
1450         u8 ie_len;
1451         u8 bssid[ETH_ALEN];
1452         u8 init_sta[ETH_ALEN];
1453         u8 resp_sta[ETH_ALEN];
1454 } __packed;
1455
1456 struct ieee80211_tdls_data {
1457         u8 da[ETH_ALEN];
1458         u8 sa[ETH_ALEN];
1459         __be16 ether_type;
1460         u8 payload_type;
1461         u8 category;
1462         u8 action_code;
1463         union {
1464                 struct {
1465                         u8 dialog_token;
1466                         __le16 capability;
1467                         u8 variable[0];
1468                 } __packed setup_req;
1469                 struct {
1470                         __le16 status_code;
1471                         u8 dialog_token;
1472                         __le16 capability;
1473                         u8 variable[0];
1474                 } __packed setup_resp;
1475                 struct {
1476                         __le16 status_code;
1477                         u8 dialog_token;
1478                         u8 variable[0];
1479                 } __packed setup_cfm;
1480                 struct {
1481                         __le16 reason_code;
1482                         u8 variable[0];
1483                 } __packed teardown;
1484                 struct {
1485                         u8 dialog_token;
1486                         u8 variable[0];
1487                 } __packed discover_req;
1488                 struct {
1489                         u8 target_channel;
1490                         u8 oper_class;
1491                         u8 variable[0];
1492                 } __packed chan_switch_req;
1493                 struct {
1494                         __le16 status_code;
1495                         u8 variable[0];
1496                 } __packed chan_switch_resp;
1497         } u;
1498 } __packed;
1499
1500 /*
1501  * Peer-to-Peer IE attribute related definitions.
1502  */
1503 /**
1504  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1505  */
1506 enum ieee80211_p2p_attr_id {
1507         IEEE80211_P2P_ATTR_STATUS = 0,
1508         IEEE80211_P2P_ATTR_MINOR_REASON,
1509         IEEE80211_P2P_ATTR_CAPABILITY,
1510         IEEE80211_P2P_ATTR_DEVICE_ID,
1511         IEEE80211_P2P_ATTR_GO_INTENT,
1512         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1513         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1514         IEEE80211_P2P_ATTR_GROUP_BSSID,
1515         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1516         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1517         IEEE80211_P2P_ATTR_MANAGABILITY,
1518         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1519         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1520         IEEE80211_P2P_ATTR_DEVICE_INFO,
1521         IEEE80211_P2P_ATTR_GROUP_INFO,
1522         IEEE80211_P2P_ATTR_GROUP_ID,
1523         IEEE80211_P2P_ATTR_INTERFACE,
1524         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1525         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1526         /* 19 - 220: Reserved */
1527         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1528
1529         IEEE80211_P2P_ATTR_MAX
1530 };
1531
1532 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1533 /* Typical max value used here */
1534 #define IEEE80211_P2P_NOA_DESC_MAX      4
1535
1536 struct ieee80211_p2p_noa_desc {
1537         u8 count;
1538         __le32 duration;
1539         __le32 interval;
1540         __le32 start_time;
1541 } __packed;
1542
1543 struct ieee80211_p2p_noa_attr {
1544         u8 index;
1545         u8 oppps_ctwindow;
1546         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1547 } __packed;
1548
1549 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1550 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1551
1552 /**
1553  * struct ieee80211_bar - HT Block Ack Request
1554  *
1555  * This structure refers to "HT BlockAckReq" as
1556  * described in 802.11n draft section 7.2.1.7.1
1557  */
1558 struct ieee80211_bar {
1559         __le16 frame_control;
1560         __le16 duration;
1561         __u8 ra[ETH_ALEN];
1562         __u8 ta[ETH_ALEN];
1563         __le16 control;
1564         __le16 start_seq_num;
1565 } __packed;
1566
1567 /* 802.11 BAR control masks */
1568 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1569 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1570 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1571 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1572 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1573
1574 #define IEEE80211_HT_MCS_MASK_LEN               10
1575
1576 /**
1577  * struct ieee80211_mcs_info - MCS information
1578  * @rx_mask: RX mask
1579  * @rx_highest: highest supported RX rate. If set represents
1580  *      the highest supported RX data rate in units of 1 Mbps.
1581  *      If this field is 0 this value should not be used to
1582  *      consider the highest RX data rate supported.
1583  * @tx_params: TX parameters
1584  */
1585 struct ieee80211_mcs_info {
1586         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1587         __le16 rx_highest;
1588         u8 tx_params;
1589         u8 reserved[3];
1590 } __packed;
1591
1592 /* 802.11n HT capability MSC set */
1593 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1594 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1595 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1596 /* value 0 == 1 stream etc */
1597 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1598 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1599 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1600 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1601
1602 /*
1603  * 802.11n D5.0 20.3.5 / 20.6 says:
1604  * - indices 0 to 7 and 32 are single spatial stream
1605  * - 8 to 31 are multiple spatial streams using equal modulation
1606  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1607  * - remainder are multiple spatial streams using unequal modulation
1608  */
1609 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1610 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1611         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1612
1613 /**
1614  * struct ieee80211_ht_cap - HT capabilities
1615  *
1616  * This structure is the "HT capabilities element" as
1617  * described in 802.11n D5.0 7.3.2.57
1618  */
1619 struct ieee80211_ht_cap {
1620         __le16 cap_info;
1621         u8 ampdu_params_info;
1622
1623         /* 16 bytes MCS information */
1624         struct ieee80211_mcs_info mcs;
1625
1626         __le16 extended_ht_cap_info;
1627         __le32 tx_BF_cap_info;
1628         u8 antenna_selection_info;
1629 } __packed;
1630
1631 /* 802.11n HT capabilities masks (for cap_info) */
1632 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1633 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1634 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1635 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1636 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1637 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1638 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1639 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1640 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1641 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1642 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1643 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1644 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1645 #define IEEE80211_HT_CAP_RESERVED               0x2000
1646 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1647 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1648
1649 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1650 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1651 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1652 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1653 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1654 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1655 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1656 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1657
1658 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1659 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1660 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1661 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1662
1663 /*
1664  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1665  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1666  */
1667 enum ieee80211_max_ampdu_length_exp {
1668         IEEE80211_HT_MAX_AMPDU_8K = 0,
1669         IEEE80211_HT_MAX_AMPDU_16K = 1,
1670         IEEE80211_HT_MAX_AMPDU_32K = 2,
1671         IEEE80211_HT_MAX_AMPDU_64K = 3
1672 };
1673
1674 /*
1675  * Maximum length of AMPDU that the STA can receive in VHT.
1676  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1677  */
1678 enum ieee80211_vht_max_ampdu_length_exp {
1679         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1680         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1681         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1682         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1683         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1684         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1685         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1686         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1687 };
1688
1689 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1690
1691 /* Minimum MPDU start spacing */
1692 enum ieee80211_min_mpdu_spacing {
1693         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1694         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1695         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1696         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1697         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1698         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1699         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1700         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1701 };
1702
1703 /**
1704  * struct ieee80211_ht_operation - HT operation IE
1705  *
1706  * This structure is the "HT operation element" as
1707  * described in 802.11n-2009 7.3.2.57
1708  */
1709 struct ieee80211_ht_operation {
1710         u8 primary_chan;
1711         u8 ht_param;
1712         __le16 operation_mode;
1713         __le16 stbc_param;
1714         u8 basic_set[16];
1715 } __packed;
1716
1717 /* for ht_param */
1718 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1719 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1720 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1721 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1722 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1723 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1724
1725 /* for operation_mode */
1726 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1727 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1728 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1729 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1730 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1731 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1732 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1733 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1734 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1735
1736 /* for stbc_param */
1737 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1738 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1739 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1740 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1741 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1742 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1743
1744
1745 /* block-ack parameters */
1746 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1747 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1748 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1749 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1750 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1751 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1752
1753 /*
1754  * A-MPDU buffer sizes
1755  * According to HT size varies from 8 to 64 frames
1756  * HE adds the ability to have up to 256 frames.
1757  * EHT adds the ability to have up to 1K frames.
1758  */
1759 #define IEEE80211_MIN_AMPDU_BUF         0x8
1760 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1761 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1762 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1763
1764
1765 /* Spatial Multiplexing Power Save Modes (for capability) */
1766 #define WLAN_HT_CAP_SM_PS_STATIC        0
1767 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1768 #define WLAN_HT_CAP_SM_PS_INVALID       2
1769 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1770
1771 /* for SM power control field lower two bits */
1772 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1773 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1774 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1775
1776 /**
1777  * struct ieee80211_vht_mcs_info - VHT MCS information
1778  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1779  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1780  *      STA can receive. Rate expressed in units of 1 Mbps.
1781  *      If this field is 0 this value should not be used to
1782  *      consider the highest RX data rate supported.
1783  *      The top 3 bits of this field indicate the Maximum NSTS,total
1784  *      (a beamformee capability.)
1785  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1786  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1787  *      STA can transmit. Rate expressed in units of 1 Mbps.
1788  *      If this field is 0 this value should not be used to
1789  *      consider the highest TX data rate supported.
1790  *      The top 2 bits of this field are reserved, the
1791  *      3rd bit from the top indiciates VHT Extended NSS BW
1792  *      Capability.
1793  */
1794 struct ieee80211_vht_mcs_info {
1795         __le16 rx_mcs_map;
1796         __le16 rx_highest;
1797         __le16 tx_mcs_map;
1798         __le16 tx_highest;
1799 } __packed;
1800
1801 /* for rx_highest */
1802 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1803 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1804
1805 /* for tx_highest */
1806 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1807
1808 /**
1809  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1810  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1811  *      number of streams
1812  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1813  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1814  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1815  *
1816  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1817  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1818  * both split into 8 subfields by number of streams. These values indicate
1819  * which MCSes are supported for the number of streams the value appears
1820  * for.
1821  */
1822 enum ieee80211_vht_mcs_support {
1823         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1824         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1825         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1826         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1827 };
1828
1829 /**
1830  * struct ieee80211_vht_cap - VHT capabilities
1831  *
1832  * This structure is the "VHT capabilities element" as
1833  * described in 802.11ac D3.0 8.4.2.160
1834  * @vht_cap_info: VHT capability info
1835  * @supp_mcs: VHT MCS supported rates
1836  */
1837 struct ieee80211_vht_cap {
1838         __le32 vht_cap_info;
1839         struct ieee80211_vht_mcs_info supp_mcs;
1840 } __packed;
1841
1842 /**
1843  * enum ieee80211_vht_chanwidth - VHT channel width
1844  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1845  *      determine the channel width (20 or 40 MHz)
1846  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1847  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1848  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1849  */
1850 enum ieee80211_vht_chanwidth {
1851         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1852         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1853         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1854         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1855 };
1856
1857 /**
1858  * struct ieee80211_vht_operation - VHT operation IE
1859  *
1860  * This structure is the "VHT operation element" as
1861  * described in 802.11ac D3.0 8.4.2.161
1862  * @chan_width: Operating channel width
1863  * @center_freq_seg0_idx: center freq segment 0 index
1864  * @center_freq_seg1_idx: center freq segment 1 index
1865  * @basic_mcs_set: VHT Basic MCS rate set
1866  */
1867 struct ieee80211_vht_operation {
1868         u8 chan_width;
1869         u8 center_freq_seg0_idx;
1870         u8 center_freq_seg1_idx;
1871         __le16 basic_mcs_set;
1872 } __packed;
1873
1874 /**
1875  * struct ieee80211_he_cap_elem - HE capabilities element
1876  *
1877  * This structure is the "HE capabilities element" fixed fields as
1878  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1879  */
1880 struct ieee80211_he_cap_elem {
1881         u8 mac_cap_info[6];
1882         u8 phy_cap_info[11];
1883 } __packed;
1884
1885 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1886
1887 /**
1888  * enum ieee80211_he_mcs_support - HE MCS support definitions
1889  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1890  *      number of streams
1891  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1892  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1893  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1894  *
1895  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1896  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1897  * both split into 8 subfields by number of streams. These values indicate
1898  * which MCSes are supported for the number of streams the value appears
1899  * for.
1900  */
1901 enum ieee80211_he_mcs_support {
1902         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1903         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1904         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1905         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1906 };
1907
1908 /**
1909  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1910  *
1911  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1912  * described in P802.11ax_D2.0 section 9.4.2.237.4
1913  *
1914  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1915  *     widths less than 80MHz.
1916  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1917  *     widths less than 80MHz.
1918  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1919  *     width 160MHz.
1920  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1921  *     width 160MHz.
1922  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1923  *     channel width 80p80MHz.
1924  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1925  *     channel width 80p80MHz.
1926  */
1927 struct ieee80211_he_mcs_nss_supp {
1928         __le16 rx_mcs_80;
1929         __le16 tx_mcs_80;
1930         __le16 rx_mcs_160;
1931         __le16 tx_mcs_160;
1932         __le16 rx_mcs_80p80;
1933         __le16 tx_mcs_80p80;
1934 } __packed;
1935
1936 /**
1937  * struct ieee80211_he_operation - HE capabilities element
1938  *
1939  * This structure is the "HE operation element" fields as
1940  * described in P802.11ax_D4.0 section 9.4.2.243
1941  */
1942 struct ieee80211_he_operation {
1943         __le32 he_oper_params;
1944         __le16 he_mcs_nss_set;
1945         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1946         u8 optional[];
1947 } __packed;
1948
1949 /**
1950  * struct ieee80211_he_spr - HE spatial reuse element
1951  *
1952  * This structure is the "HE spatial reuse element" element as
1953  * described in P802.11ax_D4.0 section 9.4.2.241
1954  */
1955 struct ieee80211_he_spr {
1956         u8 he_sr_control;
1957         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1958         u8 optional[];
1959 } __packed;
1960
1961 /**
1962  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1963  *
1964  * This structure is the "MU AC Parameter Record" fields as
1965  * described in P802.11ax_D4.0 section 9.4.2.245
1966  */
1967 struct ieee80211_he_mu_edca_param_ac_rec {
1968         u8 aifsn;
1969         u8 ecw_min_max;
1970         u8 mu_edca_timer;
1971 } __packed;
1972
1973 /**
1974  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1975  *
1976  * This structure is the "MU EDCA Parameter Set element" fields as
1977  * described in P802.11ax_D4.0 section 9.4.2.245
1978  */
1979 struct ieee80211_mu_edca_param_set {
1980         u8 mu_qos_info;
1981         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1982         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1983         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1984         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1985 } __packed;
1986
1987 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1988 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1989
1990 /**
1991  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1992  * supported NSS for per MCS.
1993  *
1994  * For each field below, bits 0 - 3 indicate the maximal number of spatial
1995  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1996  * for Tx.
1997  *
1998  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1999  *     supported for reception and the maximum number of spatial streams
2000  *     supported for transmission for MCS 0 - 7.
2001  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2002  *     supported for reception and the maximum number of spatial streams
2003  *     supported for transmission for MCS 8 - 9.
2004  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2005  *     supported for reception and the maximum number of spatial streams
2006  *     supported for transmission for MCS 10 - 11.
2007  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2008  *     supported for reception and the maximum number of spatial streams
2009  *     supported for transmission for MCS 12 - 13.
2010  */
2011 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2012         u8 rx_tx_mcs7_max_nss;
2013         u8 rx_tx_mcs9_max_nss;
2014         u8 rx_tx_mcs11_max_nss;
2015         u8 rx_tx_mcs13_max_nss;
2016 };
2017
2018 /**
2019  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2020  * 20MHz only stations).
2021  *
2022  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2023  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2024  * for Tx.
2025  *
2026  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2027  *     supported for reception and the maximum number of spatial streams
2028  *     supported for transmission for MCS 0 - 9.
2029  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2030  *     supported for reception and the maximum number of spatial streams
2031  *     supported for transmission for MCS 10 - 11.
2032  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2033  *     supported for reception and the maximum number of spatial streams
2034  *     supported for transmission for MCS 12 - 13.
2035  */
2036 struct ieee80211_eht_mcs_nss_supp_bw {
2037         u8 rx_tx_mcs9_max_nss;
2038         u8 rx_tx_mcs11_max_nss;
2039         u8 rx_tx_mcs13_max_nss;
2040 };
2041
2042 /**
2043  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2044  *
2045  * This structure is the "EHT Capabilities element" fixed fields as
2046  * described in P802.11be_D2.0 section 9.4.2.313.
2047  *
2048  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2049  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2050  */
2051 struct ieee80211_eht_cap_elem_fixed {
2052         u8 mac_cap_info[2];
2053         u8 phy_cap_info[9];
2054 } __packed;
2055
2056 /**
2057  * struct ieee80211_eht_cap_elem - EHT capabilities element
2058  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2059  * @optional: optional parts
2060  */
2061 struct ieee80211_eht_cap_elem {
2062         struct ieee80211_eht_cap_elem_fixed fixed;
2063
2064         /*
2065          * Followed by:
2066          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2067          * EHT PPE Thresholds field: variable length.
2068          */
2069         u8 optional[];
2070 } __packed;
2071
2072 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2073 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2074 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2075 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2076 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2077
2078 /**
2079  * struct ieee80211_eht_operation - eht operation element
2080  *
2081  * This structure is the "EHT Operation Element" fields as
2082  * described in P802.11be_D2.0 section 9.4.2.311
2083  *
2084  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2085  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2086  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2087  *     receive.
2088  * @optional: optional parts
2089  */
2090 struct ieee80211_eht_operation {
2091         u8 params;
2092         __le32 basic_mcs_nss;
2093         u8 optional[];
2094 } __packed;
2095
2096 /**
2097  * struct ieee80211_eht_operation_info - eht operation information
2098  *
2099  * @control: EHT operation information control.
2100  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2101  *     EHT BSS.
2102  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2103  * @optional: optional parts
2104  */
2105 struct ieee80211_eht_operation_info {
2106         u8 control;
2107         u8 ccfs0;
2108         u8 ccfs1;
2109         u8 optional[];
2110 } __packed;
2111
2112 /* 802.11ac VHT Capabilities */
2113 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2114 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2115 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2116 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2117 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2118 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2119 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2120 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2121 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2122 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2123 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2124 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2125 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2126 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2127 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2128 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2129 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2130 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2131 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2132 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2133 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2134 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2135                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2136 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2137 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2138                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2139 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2140 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2141 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2142 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2143 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2144 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2145                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2146 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2147 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2148 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2149 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2150 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2151 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2152
2153 /**
2154  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2155  * @cap: VHT capabilities of the peer
2156  * @bw: bandwidth to use
2157  * @mcs: MCS index to use
2158  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2159  *      (rate scaling algorithm) can deal with the new logic
2160  *      (dot11VHTExtendedNSSBWCapable)
2161  * @max_vht_nss: current maximum NSS as advertised by the STA in
2162  *      operating mode notification, can be 0 in which case the
2163  *      capability data will be used to derive this (from MCS support)
2164  *
2165  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2166  * vary for a given BW/MCS. This function parses the data.
2167  *
2168  * Note: This function is exported by cfg80211.
2169  */
2170 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2171                               enum ieee80211_vht_chanwidth bw,
2172                               int mcs, bool ext_nss_bw_capable,
2173                               unsigned int max_vht_nss);
2174
2175 /**
2176  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2177  *
2178  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2179  * @IEEE80211_REG_LPI: Indoor Access Point
2180  * @IEEE80211_REG_SP: Standard power Access Point
2181  * @IEEE80211_REG_VLP: Very low power Access Point
2182  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2183  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2184  */
2185 enum ieee80211_ap_reg_power {
2186         IEEE80211_REG_UNSET_AP,
2187         IEEE80211_REG_LPI_AP,
2188         IEEE80211_REG_SP_AP,
2189         IEEE80211_REG_VLP_AP,
2190         IEEE80211_REG_AP_POWER_AFTER_LAST,
2191         IEEE80211_REG_AP_POWER_MAX =
2192                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2193 };
2194
2195 /**
2196  * enum ieee80211_client_reg_power - regulatory power for a client
2197  *
2198  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2199  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2200  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2201  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2202  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2203  */
2204 enum ieee80211_client_reg_power {
2205         IEEE80211_REG_UNSET_CLIENT,
2206         IEEE80211_REG_DEFAULT_CLIENT,
2207         IEEE80211_REG_SUBORDINATE_CLIENT,
2208         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2209         IEEE80211_REG_CLIENT_POWER_MAX =
2210                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2211 };
2212
2213 /* 802.11ax HE MAC capabilities */
2214 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2215 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2216 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2217 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2218 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2219 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2220 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2221 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2222 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2223 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2224 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2225 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2226 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2227 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2228 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2229 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2230 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2231
2232 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2233 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2234 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2235 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2236 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2237 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2238 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2239 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2240 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2241 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2242 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2243 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2244 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2245 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2246 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2247 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2248 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2249 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2250
2251 /* Link adaptation is split between byte HE_MAC_CAP1 and
2252  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2253  * in which case the following values apply:
2254  * 0 = No feedback.
2255  * 1 = reserved.
2256  * 2 = Unsolicited feedback.
2257  * 3 = both
2258  */
2259 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2260
2261 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2262 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2263 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2264 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2265 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2266 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2267 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2268 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2269
2270 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2271 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2272
2273 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2274  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2275  * same field in the HE capabilities.
2276  */
2277 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2278 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2279 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2280 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2281 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2282 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2283 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2284 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2285
2286 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2287 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2288 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2289 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2290 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2291 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2292 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2293 /* Multi TID agg TX is split between byte #4 and #5
2294  * The value is a combination of B39,B40,B41
2295  */
2296 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2297
2298 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2299 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2300 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2301 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2302 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2303 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2304 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2305 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2306
2307 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2308 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2309 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2310
2311 /* 802.11ax HE PHY capabilities */
2312 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2313 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2314 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2315 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2316 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2317
2318 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2319 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2320 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2321
2322 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2323 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2324 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2325 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2326 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2327 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2328 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2329 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2330 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2331 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2332
2333 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2334 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2335 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2336 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2337 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2338 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2339
2340 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2341  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2342  * case it indicates support for Tx.
2343  */
2344 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2345 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2346
2347 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2348 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2349 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2350 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2351 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2352 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2353 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2354 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2355 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2356 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2357 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2358 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2359 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2360 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2361 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2362 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2363
2364 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2365 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2366
2367 /* Minimal allowed value of Max STS under 80MHz is 3 */
2368 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2369 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2370 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2371 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2372 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2373 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2374
2375 /* Minimal allowed value of Max STS above 80MHz is 3 */
2376 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2377 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2378 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2379 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2380 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2381 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2382
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2388 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2389 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2390 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2391 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2392
2393 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2394 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2395 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2396 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2397 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2398 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2399 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2400 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2401 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2402
2403 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2404 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2405
2406 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2407 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2408 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2409 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2410 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2411 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2412 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2413 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2414
2415 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2416 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2417 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2418 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2419 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2420 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2421 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2422 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2423 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2424 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2425 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2426 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2427 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2428
2429 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2430 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2431 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2432 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2433 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2434 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2435 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2436 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2437 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2438 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2439 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2440
2441 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2442 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2443 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2444 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2445 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2446 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2447 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2448 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2449 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2450 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2451 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2452 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2453
2454 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2455
2456 /* 802.11ax HE TX/RX MCS NSS Support  */
2457 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2458 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2459 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2460 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2461 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2462
2463 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2464 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2465         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2466         HIGHEST_MCS_SUPPORTED_MCS8,
2467         HIGHEST_MCS_SUPPORTED_MCS9,
2468         HIGHEST_MCS_SUPPORTED_MCS10,
2469         HIGHEST_MCS_SUPPORTED_MCS11,
2470 };
2471
2472 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2473 static inline u8
2474 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2475 {
2476         u8 count = 4;
2477
2478         if (he_cap->phy_cap_info[0] &
2479             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2480                 count += 4;
2481
2482         if (he_cap->phy_cap_info[0] &
2483             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2484                 count += 4;
2485
2486         return count;
2487 }
2488
2489 /* 802.11ax HE PPE Thresholds */
2490 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2491 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2492 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2493 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2494         (BIT(5) | BIT(6))
2495 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2496 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2497 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2498 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2499
2500 /*
2501  * Calculate 802.11ax HE capabilities IE PPE field size
2502  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2503  */
2504 static inline u8
2505 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2506 {
2507         u8 n;
2508
2509         if ((phy_cap_info[6] &
2510              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2511                 return 0;
2512
2513         n = hweight8(ppe_thres_hdr &
2514                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2515         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2516                    IEEE80211_PPE_THRES_NSS_POS));
2517
2518         /*
2519          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2520          * total size.
2521          */
2522         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2523         n = DIV_ROUND_UP(n, 8);
2524
2525         return n;
2526 }
2527
2528 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2529 {
2530         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2531         u8 needed = sizeof(*he_cap_ie_elem);
2532
2533         if (len < needed)
2534                 return false;
2535
2536         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2537         if (len < needed)
2538                 return false;
2539
2540         if (he_cap_ie_elem->phy_cap_info[6] &
2541                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2542                 if (len < needed + 1)
2543                         return false;
2544                 needed += ieee80211_he_ppe_size(data[needed],
2545                                                 he_cap_ie_elem->phy_cap_info);
2546         }
2547
2548         return len >= needed;
2549 }
2550
2551 /* HE Operation defines */
2552 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2553 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2554 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2555 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2556 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2557 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2558 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2559 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2560 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2561 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2562 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2563 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2564
2565 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2566 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2567
2568 /**
2569  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2570  * @primary: primary channel
2571  * @control: control flags
2572  * @ccfs0: channel center frequency segment 0
2573  * @ccfs1: channel center frequency segment 1
2574  * @minrate: minimum rate (in 1 Mbps units)
2575  */
2576 struct ieee80211_he_6ghz_oper {
2577         u8 primary;
2578 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2579 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2580 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2581 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2582 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2583 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2584 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2585         u8 control;
2586         u8 ccfs0;
2587         u8 ccfs1;
2588         u8 minrate;
2589 } __packed;
2590
2591 /*
2592  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2593  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2594  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2595  * Info subfield encoding in the United States".
2596  * So it it totally max 8 Transmit Power Envelope element.
2597  */
2598 #define IEEE80211_TPE_MAX_IE_COUNT      8
2599 /*
2600  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2601  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2602  */
2603 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2604
2605 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2606
2607 /* transmit power interpretation type of transmit power envelope element */
2608 enum ieee80211_tx_power_intrpt_type {
2609         IEEE80211_TPE_LOCAL_EIRP,
2610         IEEE80211_TPE_LOCAL_EIRP_PSD,
2611         IEEE80211_TPE_REG_CLIENT_EIRP,
2612         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2613 };
2614
2615 /**
2616  * struct ieee80211_tx_pwr_env
2617  *
2618  * This structure represents the "Transmit Power Envelope element"
2619  */
2620 struct ieee80211_tx_pwr_env {
2621         u8 tx_power_info;
2622         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2623 } __packed;
2624
2625 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2626 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2627 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2628
2629 /*
2630  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2631  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2632  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2633  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2634  *      validated this.
2635  * @return the actual size of the IE data (not including header), or 0 on error
2636  */
2637 static inline u8
2638 ieee80211_he_oper_size(const u8 *he_oper_ie)
2639 {
2640         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2641         u8 oper_len = sizeof(struct ieee80211_he_operation);
2642         u32 he_oper_params;
2643
2644         /* Make sure the input is not NULL */
2645         if (!he_oper_ie)
2646                 return 0;
2647
2648         /* Calc required length */
2649         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2650         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2651                 oper_len += 3;
2652         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2653                 oper_len++;
2654         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2655                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2656
2657         /* Add the first byte (extension ID) to the total length */
2658         oper_len++;
2659
2660         return oper_len;
2661 }
2662
2663 /**
2664  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2665  * @he_oper: HE operation element (must be pre-validated for size)
2666  *      but may be %NULL
2667  *
2668  * Return: a pointer to the 6 GHz operation field, or %NULL
2669  */
2670 static inline const struct ieee80211_he_6ghz_oper *
2671 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2672 {
2673         const u8 *ret = (const void *)&he_oper->optional;
2674         u32 he_oper_params;
2675
2676         if (!he_oper)
2677                 return NULL;
2678
2679         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2680
2681         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2682                 return NULL;
2683         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2684                 ret += 3;
2685         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2686                 ret++;
2687
2688         return (const void *)ret;
2689 }
2690
2691 /* HE Spatial Reuse defines */
2692 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2693 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2694 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2695 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2696 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2697
2698 /*
2699  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2700  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2701  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2702  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2703  *      this
2704  * @return the actual size of the IE data (not including header), or 0 on error
2705  */
2706 static inline u8
2707 ieee80211_he_spr_size(const u8 *he_spr_ie)
2708 {
2709         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2710         u8 spr_len = sizeof(struct ieee80211_he_spr);
2711         u8 he_spr_params;
2712
2713         /* Make sure the input is not NULL */
2714         if (!he_spr_ie)
2715                 return 0;
2716
2717         /* Calc required length */
2718         he_spr_params = he_spr->he_sr_control;
2719         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2720                 spr_len++;
2721         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2722                 spr_len += 18;
2723
2724         /* Add the first byte (extension ID) to the total length */
2725         spr_len++;
2726
2727         return spr_len;
2728 }
2729
2730 /* S1G Capabilities Information field */
2731 #define IEEE80211_S1G_CAPABILITY_LEN    15
2732
2733 #define S1G_CAP0_S1G_LONG       BIT(0)
2734 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2735 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2736 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2737 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2738 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2739 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2740
2741 #define S1G_SUPP_CH_WIDTH_2     0
2742 #define S1G_SUPP_CH_WIDTH_4     1
2743 #define S1G_SUPP_CH_WIDTH_8     2
2744 #define S1G_SUPP_CH_WIDTH_16    3
2745 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2746                                                     cap[0])) << 1)
2747
2748 #define S1G_CAP1_RX_LDPC        BIT(0)
2749 #define S1G_CAP1_TX_STBC        BIT(1)
2750 #define S1G_CAP1_RX_STBC        BIT(2)
2751 #define S1G_CAP1_SU_BFER        BIT(3)
2752 #define S1G_CAP1_SU_BFEE        BIT(4)
2753 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2754
2755 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2756 #define S1G_CAP2_MU_BFER                BIT(3)
2757 #define S1G_CAP2_MU_BFEE                BIT(4)
2758 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2759 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2760
2761 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2762 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2763 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2764 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2765 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2766
2767 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2768 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2769 #define S1G_CAP4_BAT            BIT(2)
2770 #define S1G_CAP4_TIME_ADE       BIT(3)
2771 #define S1G_CAP4_NON_TIM        BIT(4)
2772 #define S1G_CAP4_GROUP_AID      BIT(5)
2773 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2774
2775 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2776 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2777 #define S1G_CAP5_AMSDU                  BIT(2)
2778 #define S1G_CAP5_AMPDU                  BIT(3)
2779 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2780 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2781 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2782
2783 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2784 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2785 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2786 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2787 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2788 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2789 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2790
2791 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2792 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2793 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2794 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2795 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2796 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2797 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2798 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2799
2800 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2801 #define S1G_CAP8_BDT            BIT(1)
2802 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2803 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2804 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2805 #define S1G_CAP8_PV1_FRAME      BIT(7)
2806
2807 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2808
2809 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2810 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2811
2812 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2813 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2814 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2815 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2816 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2817 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2818 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2819 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2820 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2821 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2822 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2823
2824 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2825
2826 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2827 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2828 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2829 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2830 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2831 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2832 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2833
2834 /* EHT beamformee number of spatial streams <= 80MHz is split */
2835 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2836 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2837
2838 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2839 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2840
2841 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2842 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2843
2844 /* EHT number of sounding dimensions for 320MHz is split */
2845 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2846 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2847 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2848 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2849 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2850 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2851 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2852 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2853 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2854
2855 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2856 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2857 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2858 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2859 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2860
2861 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2862 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2863 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2864 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2865 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2866 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2867 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2868 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2869 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2870
2871 /* Maximum number of supported EHT LTF is split */
2872 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2873 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2874
2875 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2876 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2877
2878 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2879 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2880 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2881 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2882 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2883 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2884 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2885 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2886
2887 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2888 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2889
2890 /*
2891  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2892  */
2893 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2894 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2895 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2896 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2897 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2898 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2899
2900 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2901 static inline u8
2902 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2903                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2904                            bool from_ap)
2905 {
2906         u8 count = 0;
2907
2908         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2909         if (he_cap->phy_cap_info[0] &
2910             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2911                 return 3;
2912
2913         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2914         if (he_cap->phy_cap_info[0] &
2915             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2916                 count += 3;
2917
2918         if (he_cap->phy_cap_info[0] &
2919             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2920                 count += 3;
2921
2922         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2923                 count += 3;
2924
2925         if (count)
2926                 return count;
2927
2928         return from_ap ? 3 : 4;
2929 }
2930
2931 /* 802.11be EHT PPE Thresholds */
2932 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2933 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2934 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2935 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2936 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2937
2938 /*
2939  * Calculate 802.11be EHT capabilities IE EHT field size
2940  */
2941 static inline u8
2942 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2943 {
2944         u32 n;
2945
2946         if (!(phy_cap_info[5] &
2947               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2948                 return 0;
2949
2950         n = hweight16(ppe_thres_hdr &
2951                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2952         n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2953
2954         /*
2955          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2956          * total size.
2957          */
2958         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2959             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2960         return DIV_ROUND_UP(n, 8);
2961 }
2962
2963 static inline bool
2964 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2965                            bool from_ap)
2966 {
2967         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2968         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2969
2970         if (len < needed || !he_capa)
2971                 return false;
2972
2973         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2974                                              (const void *)data,
2975                                              from_ap);
2976         if (len < needed)
2977                 return false;
2978
2979         if (elem->phy_cap_info[5] &
2980                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2981                 u16 ppe_thres_hdr;
2982
2983                 if (len < needed + sizeof(ppe_thres_hdr))
2984                         return false;
2985
2986                 ppe_thres_hdr = get_unaligned_le16(data + needed);
2987                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2988                                                  elem->phy_cap_info);
2989         }
2990
2991         return len >= needed;
2992 }
2993
2994 static inline bool
2995 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2996 {
2997         const struct ieee80211_eht_operation *elem = (const void *)data;
2998         u8 needed = sizeof(*elem);
2999
3000         if (len < needed)
3001                 return false;
3002
3003         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3004                 needed += 3;
3005
3006                 if (elem->params &
3007                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3008                         needed += 2;
3009         }
3010
3011         return len >= needed;
3012 }
3013
3014 #define LISTEN_INT_USF  GENMASK(15, 14)
3015 #define LISTEN_INT_UI   GENMASK(13, 0)
3016
3017 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3018 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3019
3020 /* Authentication algorithms */
3021 #define WLAN_AUTH_OPEN 0
3022 #define WLAN_AUTH_SHARED_KEY 1
3023 #define WLAN_AUTH_FT 2
3024 #define WLAN_AUTH_SAE 3
3025 #define WLAN_AUTH_FILS_SK 4
3026 #define WLAN_AUTH_FILS_SK_PFS 5
3027 #define WLAN_AUTH_FILS_PK 6
3028 #define WLAN_AUTH_LEAP 128
3029
3030 #define WLAN_AUTH_CHALLENGE_LEN 128
3031
3032 #define WLAN_CAPABILITY_ESS             (1<<0)
3033 #define WLAN_CAPABILITY_IBSS            (1<<1)
3034
3035 /*
3036  * A mesh STA sets the ESS and IBSS capability bits to zero.
3037  * however, this holds true for p2p probe responses (in the p2p_find
3038  * phase) as well.
3039  */
3040 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3041         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3042
3043 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3044 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3045 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3046 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3047 #define WLAN_CAPABILITY_PBCC            (1<<6)
3048 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3049
3050 /* 802.11h */
3051 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3052 #define WLAN_CAPABILITY_QOS             (1<<9)
3053 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3054 #define WLAN_CAPABILITY_APSD            (1<<11)
3055 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3056 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3057 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3058 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3059
3060 /* DMG (60gHz) 802.11ad */
3061 /* type - bits 0..1 */
3062 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3063 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3064 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3065 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3066
3067 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3068 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3069 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3070 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3071
3072 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3073 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3074
3075 /* measurement */
3076 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3077 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3078 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3079
3080 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3081 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3082 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3083 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3084 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3085
3086 /* 802.11g ERP information element */
3087 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3088 #define WLAN_ERP_USE_PROTECTION (1<<1)
3089 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3090
3091 /* WLAN_ERP_BARKER_PREAMBLE values */
3092 enum {
3093         WLAN_ERP_PREAMBLE_SHORT = 0,
3094         WLAN_ERP_PREAMBLE_LONG = 1,
3095 };
3096
3097 /* Band ID, 802.11ad #8.4.1.45 */
3098 enum {
3099         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3100         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3101         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3102         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3103         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3104         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3105 };
3106
3107 /* Status codes */
3108 enum ieee80211_statuscode {
3109         WLAN_STATUS_SUCCESS = 0,
3110         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3111         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3112         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3113         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3114         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3115         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3116         WLAN_STATUS_CHALLENGE_FAIL = 15,
3117         WLAN_STATUS_AUTH_TIMEOUT = 16,
3118         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3119         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3120         /* 802.11b */
3121         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3122         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3123         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3124         /* 802.11h */
3125         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3126         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3127         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3128         /* 802.11g */
3129         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3130         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3131         /* 802.11w */
3132         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3133         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3134         /* 802.11i */
3135         WLAN_STATUS_INVALID_IE = 40,
3136         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3137         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3138         WLAN_STATUS_INVALID_AKMP = 43,
3139         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3140         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3141         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3142         /* 802.11e */
3143         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3144         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3145         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3146         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3147         WLAN_STATUS_REQUEST_DECLINED = 37,
3148         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3149         WLAN_STATUS_CHANGE_TSPEC = 39,
3150         WLAN_STATUS_WAIT_TS_DELAY = 47,
3151         WLAN_STATUS_NO_DIRECT_LINK = 48,
3152         WLAN_STATUS_STA_NOT_PRESENT = 49,
3153         WLAN_STATUS_STA_NOT_QSTA = 50,
3154         /* 802.11s */
3155         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3156         WLAN_STATUS_FCG_NOT_SUPP = 78,
3157         WLAN_STATUS_STA_NO_TBTT = 78,
3158         /* 802.11ad */
3159         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3160         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3161         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3162         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3163         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3164         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3165         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3166         WLAN_STATUS_REJECT_DSE_BAND = 96,
3167         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3168         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3169         /* 802.11ai */
3170         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3171         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3172         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3173         WLAN_STATUS_SAE_PK = 127,
3174 };
3175
3176
3177 /* Reason codes */
3178 enum ieee80211_reasoncode {
3179         WLAN_REASON_UNSPECIFIED = 1,
3180         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3181         WLAN_REASON_DEAUTH_LEAVING = 3,
3182         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3183         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3184         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3185         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3186         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3187         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3188         /* 802.11h */
3189         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3190         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3191         /* 802.11i */
3192         WLAN_REASON_INVALID_IE = 13,
3193         WLAN_REASON_MIC_FAILURE = 14,
3194         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3195         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3196         WLAN_REASON_IE_DIFFERENT = 17,
3197         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3198         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3199         WLAN_REASON_INVALID_AKMP = 20,
3200         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3201         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3202         WLAN_REASON_IEEE8021X_FAILED = 23,
3203         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3204         /* TDLS (802.11z) */
3205         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3206         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3207         /* 802.11e */
3208         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3209         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3210         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3211         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3212         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3213         WLAN_REASON_QSTA_NOT_USE = 37,
3214         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3215         WLAN_REASON_QSTA_TIMEOUT = 39,
3216         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3217         /* 802.11s */
3218         WLAN_REASON_MESH_PEER_CANCELED = 52,
3219         WLAN_REASON_MESH_MAX_PEERS = 53,
3220         WLAN_REASON_MESH_CONFIG = 54,
3221         WLAN_REASON_MESH_CLOSE = 55,
3222         WLAN_REASON_MESH_MAX_RETRIES = 56,
3223         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3224         WLAN_REASON_MESH_INVALID_GTK = 58,
3225         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3226         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3227         WLAN_REASON_MESH_PATH_ERROR = 61,
3228         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3229         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3230         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3231         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3232         WLAN_REASON_MESH_CHAN = 66,
3233 };
3234
3235
3236 /* Information Element IDs */
3237 enum ieee80211_eid {
3238         WLAN_EID_SSID = 0,
3239         WLAN_EID_SUPP_RATES = 1,
3240         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3241         WLAN_EID_DS_PARAMS = 3,
3242         WLAN_EID_CF_PARAMS = 4,
3243         WLAN_EID_TIM = 5,
3244         WLAN_EID_IBSS_PARAMS = 6,
3245         WLAN_EID_COUNTRY = 7,
3246         /* 8, 9 reserved */
3247         WLAN_EID_REQUEST = 10,
3248         WLAN_EID_QBSS_LOAD = 11,
3249         WLAN_EID_EDCA_PARAM_SET = 12,
3250         WLAN_EID_TSPEC = 13,
3251         WLAN_EID_TCLAS = 14,
3252         WLAN_EID_SCHEDULE = 15,
3253         WLAN_EID_CHALLENGE = 16,
3254         /* 17-31 reserved for challenge text extension */
3255         WLAN_EID_PWR_CONSTRAINT = 32,
3256         WLAN_EID_PWR_CAPABILITY = 33,
3257         WLAN_EID_TPC_REQUEST = 34,
3258         WLAN_EID_TPC_REPORT = 35,
3259         WLAN_EID_SUPPORTED_CHANNELS = 36,
3260         WLAN_EID_CHANNEL_SWITCH = 37,
3261         WLAN_EID_MEASURE_REQUEST = 38,
3262         WLAN_EID_MEASURE_REPORT = 39,
3263         WLAN_EID_QUIET = 40,
3264         WLAN_EID_IBSS_DFS = 41,
3265         WLAN_EID_ERP_INFO = 42,
3266         WLAN_EID_TS_DELAY = 43,
3267         WLAN_EID_TCLAS_PROCESSING = 44,
3268         WLAN_EID_HT_CAPABILITY = 45,
3269         WLAN_EID_QOS_CAPA = 46,
3270         /* 47 reserved for Broadcom */
3271         WLAN_EID_RSN = 48,
3272         WLAN_EID_802_15_COEX = 49,
3273         WLAN_EID_EXT_SUPP_RATES = 50,
3274         WLAN_EID_AP_CHAN_REPORT = 51,
3275         WLAN_EID_NEIGHBOR_REPORT = 52,
3276         WLAN_EID_RCPI = 53,
3277         WLAN_EID_MOBILITY_DOMAIN = 54,
3278         WLAN_EID_FAST_BSS_TRANSITION = 55,
3279         WLAN_EID_TIMEOUT_INTERVAL = 56,
3280         WLAN_EID_RIC_DATA = 57,
3281         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3282         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3283         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3284         WLAN_EID_HT_OPERATION = 61,
3285         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3286         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3287         WLAN_EID_ANTENNA_INFO = 64,
3288         WLAN_EID_RSNI = 65,
3289         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3290         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3291         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3292         WLAN_EID_TIME_ADVERTISEMENT = 69,
3293         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3294         WLAN_EID_MULTIPLE_BSSID = 71,
3295         WLAN_EID_BSS_COEX_2040 = 72,
3296         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3297         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3298         WLAN_EID_RIC_DESCRIPTOR = 75,
3299         WLAN_EID_MMIE = 76,
3300         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3301         WLAN_EID_EVENT_REQUEST = 78,
3302         WLAN_EID_EVENT_REPORT = 79,
3303         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3304         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3305         WLAN_EID_LOCATION_PARAMS = 82,
3306         WLAN_EID_NON_TX_BSSID_CAP =  83,
3307         WLAN_EID_SSID_LIST = 84,
3308         WLAN_EID_MULTI_BSSID_IDX = 85,
3309         WLAN_EID_FMS_DESCRIPTOR = 86,
3310         WLAN_EID_FMS_REQUEST = 87,
3311         WLAN_EID_FMS_RESPONSE = 88,
3312         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3313         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3314         WLAN_EID_TSF_REQUEST = 91,
3315         WLAN_EID_TSF_RESPOSNE = 92,
3316         WLAN_EID_WNM_SLEEP_MODE = 93,
3317         WLAN_EID_TIM_BCAST_REQ = 94,
3318         WLAN_EID_TIM_BCAST_RESP = 95,
3319         WLAN_EID_COLL_IF_REPORT = 96,
3320         WLAN_EID_CHANNEL_USAGE = 97,
3321         WLAN_EID_TIME_ZONE = 98,
3322         WLAN_EID_DMS_REQUEST = 99,
3323         WLAN_EID_DMS_RESPONSE = 100,
3324         WLAN_EID_LINK_ID = 101,
3325         WLAN_EID_WAKEUP_SCHEDUL = 102,
3326         /* 103 reserved */
3327         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3328         WLAN_EID_PTI_CONTROL = 105,
3329         WLAN_EID_PU_BUFFER_STATUS = 106,
3330         WLAN_EID_INTERWORKING = 107,
3331         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3332         WLAN_EID_EXPEDITED_BW_REQ = 109,
3333         WLAN_EID_QOS_MAP_SET = 110,
3334         WLAN_EID_ROAMING_CONSORTIUM = 111,
3335         WLAN_EID_EMERGENCY_ALERT = 112,
3336         WLAN_EID_MESH_CONFIG = 113,
3337         WLAN_EID_MESH_ID = 114,
3338         WLAN_EID_LINK_METRIC_REPORT = 115,
3339         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3340         WLAN_EID_PEER_MGMT = 117,
3341         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3342         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3343         WLAN_EID_BEACON_TIMING = 120,
3344         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3345         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3346         WLAN_EID_MCCAOP_ADVERT = 123,
3347         WLAN_EID_MCCAOP_TEARDOWN = 124,
3348         WLAN_EID_GANN = 125,
3349         WLAN_EID_RANN = 126,
3350         WLAN_EID_EXT_CAPABILITY = 127,
3351         /* 128, 129 reserved for Agere */
3352         WLAN_EID_PREQ = 130,
3353         WLAN_EID_PREP = 131,
3354         WLAN_EID_PERR = 132,
3355         /* 133-136 reserved for Cisco */
3356         WLAN_EID_PXU = 137,
3357         WLAN_EID_PXUC = 138,
3358         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3359         WLAN_EID_MIC = 140,
3360         WLAN_EID_DESTINATION_URI = 141,
3361         WLAN_EID_UAPSD_COEX = 142,
3362         WLAN_EID_WAKEUP_SCHEDULE = 143,
3363         WLAN_EID_EXT_SCHEDULE = 144,
3364         WLAN_EID_STA_AVAILABILITY = 145,
3365         WLAN_EID_DMG_TSPEC = 146,
3366         WLAN_EID_DMG_AT = 147,
3367         WLAN_EID_DMG_CAP = 148,
3368         /* 149 reserved for Cisco */
3369         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3370         WLAN_EID_DMG_OPERATION = 151,
3371         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3372         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3373         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3374         /* 155-156 reserved for Cisco */
3375         WLAN_EID_AWAKE_WINDOW = 157,
3376         WLAN_EID_MULTI_BAND = 158,
3377         WLAN_EID_ADDBA_EXT = 159,
3378         WLAN_EID_NEXT_PCP_LIST = 160,
3379         WLAN_EID_PCP_HANDOVER = 161,
3380         WLAN_EID_DMG_LINK_MARGIN = 162,
3381         WLAN_EID_SWITCHING_STREAM = 163,
3382         WLAN_EID_SESSION_TRANSITION = 164,
3383         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3384         WLAN_EID_CLUSTER_REPORT = 166,
3385         WLAN_EID_RELAY_CAP = 167,
3386         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3387         WLAN_EID_BEAM_LINK_MAINT = 169,
3388         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3389         WLAN_EID_U_PID = 171,
3390         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3391         /* 173 reserved for Symbol */
3392         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3393         WLAN_EID_QUIET_PERIOD_REQ = 175,
3394         /* 176 reserved for Symbol */
3395         WLAN_EID_QUIET_PERIOD_RESP = 177,
3396         /* 178-179 reserved for Symbol */
3397         /* 180 reserved for ISO/IEC 20011 */
3398         WLAN_EID_EPAC_POLICY = 182,
3399         WLAN_EID_CLISTER_TIME_OFF = 183,
3400         WLAN_EID_INTER_AC_PRIO = 184,
3401         WLAN_EID_SCS_DESCRIPTOR = 185,
3402         WLAN_EID_QLOAD_REPORT = 186,
3403         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3404         WLAN_EID_HL_STREAM_ID = 188,
3405         WLAN_EID_GCR_GROUP_ADDR = 189,
3406         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3407         WLAN_EID_VHT_CAPABILITY = 191,
3408         WLAN_EID_VHT_OPERATION = 192,
3409         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3410         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3411         WLAN_EID_TX_POWER_ENVELOPE = 195,
3412         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3413         WLAN_EID_AID = 197,
3414         WLAN_EID_QUIET_CHANNEL = 198,
3415         WLAN_EID_OPMODE_NOTIF = 199,
3416
3417         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3418
3419         WLAN_EID_AID_REQUEST = 210,
3420         WLAN_EID_AID_RESPONSE = 211,
3421         WLAN_EID_S1G_BCN_COMPAT = 213,
3422         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3423         WLAN_EID_S1G_TWT = 216,
3424         WLAN_EID_S1G_CAPABILITIES = 217,
3425         WLAN_EID_VENDOR_SPECIFIC = 221,
3426         WLAN_EID_QOS_PARAMETER = 222,
3427         WLAN_EID_S1G_OPERATION = 232,
3428         WLAN_EID_CAG_NUMBER = 237,
3429         WLAN_EID_AP_CSN = 239,
3430         WLAN_EID_FILS_INDICATION = 240,
3431         WLAN_EID_DILS = 241,
3432         WLAN_EID_FRAGMENT = 242,
3433         WLAN_EID_RSNX = 244,
3434         WLAN_EID_EXTENSION = 255
3435 };
3436
3437 /* Element ID Extensions for Element ID 255 */
3438 enum ieee80211_eid_ext {
3439         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3440         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3441         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3442         WLAN_EID_EXT_FILS_SESSION = 4,
3443         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3444         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3445         WLAN_EID_EXT_KEY_DELIVERY = 7,
3446         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3447         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3448         WLAN_EID_EXT_FILS_NONCE = 13,
3449         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3450         WLAN_EID_EXT_HE_CAPABILITY = 35,
3451         WLAN_EID_EXT_HE_OPERATION = 36,
3452         WLAN_EID_EXT_UORA = 37,
3453         WLAN_EID_EXT_HE_MU_EDCA = 38,
3454         WLAN_EID_EXT_HE_SPR = 39,
3455         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3456         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3457         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3458         WLAN_EID_EXT_ESS_REPORT = 45,
3459         WLAN_EID_EXT_OPS = 46,
3460         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3461         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3462         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3463         WLAN_EID_EXT_NON_INHERITANCE = 56,
3464         WLAN_EID_EXT_KNOWN_BSSID = 57,
3465         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3466         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3467         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3468         WLAN_EID_EXT_EHT_OPERATION = 106,
3469         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3470         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3471 };
3472
3473 /* Action category code */
3474 enum ieee80211_category {
3475         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3476         WLAN_CATEGORY_QOS = 1,
3477         WLAN_CATEGORY_DLS = 2,
3478         WLAN_CATEGORY_BACK = 3,
3479         WLAN_CATEGORY_PUBLIC = 4,
3480         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3481         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3482         WLAN_CATEGORY_HT = 7,
3483         WLAN_CATEGORY_SA_QUERY = 8,
3484         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3485         WLAN_CATEGORY_WNM = 10,
3486         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3487         WLAN_CATEGORY_TDLS = 12,
3488         WLAN_CATEGORY_MESH_ACTION = 13,
3489         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3490         WLAN_CATEGORY_SELF_PROTECTED = 15,
3491         WLAN_CATEGORY_DMG = 16,
3492         WLAN_CATEGORY_WMM = 17,
3493         WLAN_CATEGORY_FST = 18,
3494         WLAN_CATEGORY_UNPROT_DMG = 20,
3495         WLAN_CATEGORY_VHT = 21,
3496         WLAN_CATEGORY_S1G = 22,
3497         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3498         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3499 };
3500
3501 /* SPECTRUM_MGMT action code */
3502 enum ieee80211_spectrum_mgmt_actioncode {
3503         WLAN_ACTION_SPCT_MSR_REQ = 0,
3504         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3505         WLAN_ACTION_SPCT_TPC_REQ = 2,
3506         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3507         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3508 };
3509
3510 /* HT action codes */
3511 enum ieee80211_ht_actioncode {
3512         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3513         WLAN_HT_ACTION_SMPS = 1,
3514         WLAN_HT_ACTION_PSMP = 2,
3515         WLAN_HT_ACTION_PCO_PHASE = 3,
3516         WLAN_HT_ACTION_CSI = 4,
3517         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3518         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3519         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3520 };
3521
3522 /* VHT action codes */
3523 enum ieee80211_vht_actioncode {
3524         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3525         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3526         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3527 };
3528
3529 /* Self Protected Action codes */
3530 enum ieee80211_self_protected_actioncode {
3531         WLAN_SP_RESERVED = 0,
3532         WLAN_SP_MESH_PEERING_OPEN = 1,
3533         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3534         WLAN_SP_MESH_PEERING_CLOSE = 3,
3535         WLAN_SP_MGK_INFORM = 4,
3536         WLAN_SP_MGK_ACK = 5,
3537 };
3538
3539 /* Mesh action codes */
3540 enum ieee80211_mesh_actioncode {
3541         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3542         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3543         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3544         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3545         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3546         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3547         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3548         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3549         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3550         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3551         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3552 };
3553
3554 /* Unprotected WNM action codes */
3555 enum ieee80211_unprotected_wnm_actioncode {
3556         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3557         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3558 };
3559
3560 /* Public action codes */
3561 enum ieee80211_public_actioncode {
3562         WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
3563 };
3564
3565 /* Security key length */
3566 enum ieee80211_key_len {
3567         WLAN_KEY_LEN_WEP40 = 5,
3568         WLAN_KEY_LEN_WEP104 = 13,
3569         WLAN_KEY_LEN_CCMP = 16,
3570         WLAN_KEY_LEN_CCMP_256 = 32,
3571         WLAN_KEY_LEN_TKIP = 32,
3572         WLAN_KEY_LEN_AES_CMAC = 16,
3573         WLAN_KEY_LEN_SMS4 = 32,
3574         WLAN_KEY_LEN_GCMP = 16,
3575         WLAN_KEY_LEN_GCMP_256 = 32,
3576         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3577         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3578         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3579 };
3580
3581 enum ieee80211_s1g_actioncode {
3582         WLAN_S1G_AID_SWITCH_REQUEST,
3583         WLAN_S1G_AID_SWITCH_RESPONSE,
3584         WLAN_S1G_SYNC_CONTROL,
3585         WLAN_S1G_STA_INFO_ANNOUNCE,
3586         WLAN_S1G_EDCA_PARAM_SET,
3587         WLAN_S1G_EL_OPERATION,
3588         WLAN_S1G_TWT_SETUP,
3589         WLAN_S1G_TWT_TEARDOWN,
3590         WLAN_S1G_SECT_GROUP_ID_LIST,
3591         WLAN_S1G_SECT_ID_FEEDBACK,
3592         WLAN_S1G_TWT_INFORMATION = 11,
3593 };
3594
3595 #define IEEE80211_WEP_IV_LEN            4
3596 #define IEEE80211_WEP_ICV_LEN           4
3597 #define IEEE80211_CCMP_HDR_LEN          8
3598 #define IEEE80211_CCMP_MIC_LEN          8
3599 #define IEEE80211_CCMP_PN_LEN           6
3600 #define IEEE80211_CCMP_256_HDR_LEN      8
3601 #define IEEE80211_CCMP_256_MIC_LEN      16
3602 #define IEEE80211_CCMP_256_PN_LEN       6
3603 #define IEEE80211_TKIP_IV_LEN           8
3604 #define IEEE80211_TKIP_ICV_LEN          4
3605 #define IEEE80211_CMAC_PN_LEN           6
3606 #define IEEE80211_GMAC_PN_LEN           6
3607 #define IEEE80211_GCMP_HDR_LEN          8
3608 #define IEEE80211_GCMP_MIC_LEN          16
3609 #define IEEE80211_GCMP_PN_LEN           6
3610
3611 #define FILS_NONCE_LEN                  16
3612 #define FILS_MAX_KEK_LEN                64
3613
3614 #define FILS_ERP_MAX_USERNAME_LEN       16
3615 #define FILS_ERP_MAX_REALM_LEN          253
3616 #define FILS_ERP_MAX_RRK_LEN            64
3617
3618 #define PMK_MAX_LEN                     64
3619 #define SAE_PASSWORD_MAX_LEN            128
3620
3621 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3622 enum ieee80211_pub_actioncode {
3623         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3624         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3625         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3626         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3627         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3628         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3629         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3630         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3631         WLAN_PUB_ACTION_DSE_PC = 8,
3632         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3633         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3634         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3635         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3636         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3637         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3638         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3639         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3640         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3641         WLAN_PUB_ACTION_QMF_POLICY = 18,
3642         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3643         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3644         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3645         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3646         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3647         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3648         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3649         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3650         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3651         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3652         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3653         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3654         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3655         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3656         WLAN_PUB_ACTION_FTM = 33,
3657         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3658 };
3659
3660 /* TDLS action codes */
3661 enum ieee80211_tdls_actioncode {
3662         WLAN_TDLS_SETUP_REQUEST = 0,
3663         WLAN_TDLS_SETUP_RESPONSE = 1,
3664         WLAN_TDLS_SETUP_CONFIRM = 2,
3665         WLAN_TDLS_TEARDOWN = 3,
3666         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3667         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3668         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3669         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3670         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3671         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3672         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3673 };
3674
3675 /* Extended Channel Switching capability to be set in the 1st byte of
3676  * the @WLAN_EID_EXT_CAPABILITY information element
3677  */
3678 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3679
3680 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3681  * @WLAN_EID_EXT_CAPABILITY information element
3682  */
3683 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3684
3685 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3686  * of the @WLAN_EID_EXT_CAPABILITY information element
3687  */
3688 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3689
3690 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3691 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3692 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3693 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3694
3695 /* Interworking capabilities are set in 7th bit of 4th byte of the
3696  * @WLAN_EID_EXT_CAPABILITY information element
3697  */
3698 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3699
3700 /*
3701  * TDLS capabililites to be enabled in the 5th byte of the
3702  * @WLAN_EID_EXT_CAPABILITY information element
3703  */
3704 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3705 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3706 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3707
3708 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3709 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3710
3711 /* Defines the maximal number of MSDUs in an A-MSDU. */
3712 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3713 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3714
3715 /*
3716  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3717  * information element
3718  */
3719 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3720
3721 /* Defines support for TWT Requester and TWT Responder */
3722 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3723 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3724
3725 /*
3726  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3727  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3728  * 26-tone RU UL OFDMA transmissions as radar pulses).
3729  */
3730 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3731
3732 /* Defines support for enhanced multi-bssid advertisement*/
3733 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3734
3735 /* TDLS specific payload type in the LLC/SNAP header */
3736 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3737
3738 /* BSS Coex IE information field bits */
3739 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3740
3741 /**
3742  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3743  *
3744  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3745  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3746  *      that will be specified in a vendor specific information element
3747  */
3748 enum ieee80211_mesh_sync_method {
3749         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3750         IEEE80211_SYNC_METHOD_VENDOR = 255,
3751 };
3752
3753 /**
3754  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3755  *
3756  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3757  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3758  *      be specified in a vendor specific information element
3759  */
3760 enum ieee80211_mesh_path_protocol {
3761         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3762         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3763 };
3764
3765 /**
3766  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3767  *
3768  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3769  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3770  *      specified in a vendor specific information element
3771  */
3772 enum ieee80211_mesh_path_metric {
3773         IEEE80211_PATH_METRIC_AIRTIME = 1,
3774         IEEE80211_PATH_METRIC_VENDOR = 255,
3775 };
3776
3777 /**
3778  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3779  *
3780  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3781  *
3782  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3783  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3784  *      this value
3785  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3786  *      the proactive PREQ with proactive PREP subfield set to 0
3787  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3788  *      supports the proactive PREQ with proactive PREP subfield set to 1
3789  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3790  *      the proactive RANN
3791  */
3792 enum ieee80211_root_mode_identifier {
3793         IEEE80211_ROOTMODE_NO_ROOT = 0,
3794         IEEE80211_ROOTMODE_ROOT = 1,
3795         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3796         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3797         IEEE80211_PROACTIVE_RANN = 4,
3798 };
3799
3800 /*
3801  * IEEE 802.11-2007 7.3.2.9 Country information element
3802  *
3803  * Minimum length is 8 octets, ie len must be evenly
3804  * divisible by 2
3805  */
3806
3807 /* Although the spec says 8 I'm seeing 6 in practice */
3808 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3809
3810 /* The Country String field of the element shall be 3 octets in length */
3811 #define IEEE80211_COUNTRY_STRING_LEN    3
3812
3813 /*
3814  * For regulatory extension stuff see IEEE 802.11-2007
3815  * Annex I (page 1141) and Annex J (page 1147). Also
3816  * review 7.3.2.9.
3817  *
3818  * When dot11RegulatoryClassesRequired is true and the
3819  * first_channel/reg_extension_id is >= 201 then the IE
3820  * compromises of the 'ext' struct represented below:
3821  *
3822  *  - Regulatory extension ID - when generating IE this just needs
3823  *    to be monotonically increasing for each triplet passed in
3824  *    the IE
3825  *  - Regulatory class - index into set of rules
3826  *  - Coverage class - index into air propagation time (Table 7-27),
3827  *    in microseconds, you can compute the air propagation time from
3828  *    the index by multiplying by 3, so index 10 yields a propagation
3829  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3830  *    yet. A value of 0 inicates air propagation of <= 1 us.
3831  *
3832  *  See also Table I.2 for Emission limit sets and table
3833  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3834  *  a reg_class to an emission limit set and behavior limit set.
3835  */
3836 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3837
3838 /*
3839  *  Channels numbers in the IE must be monotonically increasing
3840  *  if dot11RegulatoryClassesRequired is not true.
3841  *
3842  *  If dot11RegulatoryClassesRequired is true consecutive
3843  *  subband triplets following a regulatory triplet shall
3844  *  have monotonically increasing first_channel number fields.
3845  *
3846  *  Channel numbers shall not overlap.
3847  *
3848  *  Note that max_power is signed.
3849  */
3850 struct ieee80211_country_ie_triplet {
3851         union {
3852                 struct {
3853                         u8 first_channel;
3854                         u8 num_channels;
3855                         s8 max_power;
3856                 } __packed chans;
3857                 struct {
3858                         u8 reg_extension_id;
3859                         u8 reg_class;
3860                         u8 coverage_class;
3861                 } __packed ext;
3862         };
3863 } __packed;
3864
3865 enum ieee80211_timeout_interval_type {
3866         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3867         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3868         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3869 };
3870
3871 /**
3872  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3873  * @type: type, see &enum ieee80211_timeout_interval_type
3874  * @value: timeout interval value
3875  */
3876 struct ieee80211_timeout_interval_ie {
3877         u8 type;
3878         __le32 value;
3879 } __packed;
3880
3881 /**
3882  * enum ieee80211_idle_options - BSS idle options
3883  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3884  *      protected frame to the AP to reset the idle timer at the AP for
3885  *      the station.
3886  */
3887 enum ieee80211_idle_options {
3888         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3889 };
3890
3891 /**
3892  * struct ieee80211_bss_max_idle_period_ie
3893  *
3894  * This structure refers to "BSS Max idle period element"
3895  *
3896  * @max_idle_period: indicates the time period during which a station can
3897  *      refrain from transmitting frames to its associated AP without being
3898  *      disassociated. In units of 1000 TUs.
3899  * @idle_options: indicates the options associated with the BSS idle capability
3900  *      as specified in &enum ieee80211_idle_options.
3901  */
3902 struct ieee80211_bss_max_idle_period_ie {
3903         __le16 max_idle_period;
3904         u8 idle_options;
3905 } __packed;
3906
3907 /* BACK action code */
3908 enum ieee80211_back_actioncode {
3909         WLAN_ACTION_ADDBA_REQ = 0,
3910         WLAN_ACTION_ADDBA_RESP = 1,
3911         WLAN_ACTION_DELBA = 2,
3912 };
3913
3914 /* BACK (block-ack) parties */
3915 enum ieee80211_back_parties {
3916         WLAN_BACK_RECIPIENT = 0,
3917         WLAN_BACK_INITIATOR = 1,
3918 };
3919
3920 /* SA Query action */
3921 enum ieee80211_sa_query_action {
3922         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3923         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3924 };
3925
3926 /**
3927  * struct ieee80211_bssid_index
3928  *
3929  * This structure refers to "Multiple BSSID-index element"
3930  *
3931  * @bssid_index: BSSID index
3932  * @dtim_period: optional, overrides transmitted BSS dtim period
3933  * @dtim_count: optional, overrides transmitted BSS dtim count
3934  */
3935 struct ieee80211_bssid_index {
3936         u8 bssid_index;
3937         u8 dtim_period;
3938         u8 dtim_count;
3939 };
3940
3941 /**
3942  * struct ieee80211_multiple_bssid_configuration
3943  *
3944  * This structure refers to "Multiple BSSID Configuration element"
3945  *
3946  * @bssid_count: total number of active BSSIDs in the set
3947  * @profile_periodicity: the least number of beacon frames need to be received
3948  *      in order to discover all the nontransmitted BSSIDs in the set.
3949  */
3950 struct ieee80211_multiple_bssid_configuration {
3951         u8 bssid_count;
3952         u8 profile_periodicity;
3953 };
3954
3955 #define SUITE(oui, id)  (((oui) << 8) | (id))
3956
3957 /* cipher suite selectors */
3958 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3959 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3960 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3961 /* reserved:                            SUITE(0x000FAC, 3) */
3962 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3963 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3964 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3965 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3966 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3967 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3968 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3969 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3970 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3971
3972 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3973
3974 /* AKM suite selectors */
3975 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3976 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3977 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3978 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3979 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3980 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3981 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3982 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3983 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3984 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3985 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3986 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3987 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3988 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3989 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3990 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3991 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3992 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3993 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3994 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3995
3996 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
3997
3998 #define WLAN_MAX_KEY_LEN                32
3999
4000 #define WLAN_PMK_NAME_LEN               16
4001 #define WLAN_PMKID_LEN                  16
4002 #define WLAN_PMK_LEN_EAP_LEAP           16
4003 #define WLAN_PMK_LEN                    32
4004 #define WLAN_PMK_LEN_SUITE_B_192        48
4005
4006 #define WLAN_OUI_WFA                    0x506f9a
4007 #define WLAN_OUI_TYPE_WFA_P2P           9
4008 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
4009 #define WLAN_OUI_MICROSOFT              0x0050f2
4010 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
4011 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
4012 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
4013 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
4014
4015 /*
4016  * WMM/802.11e Tspec Element
4017  */
4018 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4019 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4020
4021 enum ieee80211_tspec_status_code {
4022         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4023         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4024 };
4025
4026 struct ieee80211_tspec_ie {
4027         u8 element_id;
4028         u8 len;
4029         u8 oui[3];
4030         u8 oui_type;
4031         u8 oui_subtype;
4032         u8 version;
4033         __le16 tsinfo;
4034         u8 tsinfo_resvd;
4035         __le16 nominal_msdu;
4036         __le16 max_msdu;
4037         __le32 min_service_int;
4038         __le32 max_service_int;
4039         __le32 inactivity_int;
4040         __le32 suspension_int;
4041         __le32 service_start_time;
4042         __le32 min_data_rate;
4043         __le32 mean_data_rate;
4044         __le32 peak_data_rate;
4045         __le32 max_burst_size;
4046         __le32 delay_bound;
4047         __le32 min_phy_rate;
4048         __le16 sba;
4049         __le16 medium_time;
4050 } __packed;
4051
4052 struct ieee80211_he_6ghz_capa {
4053         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4054         __le16 capa;
4055 } __packed;
4056
4057 /* HE 6 GHz band capabilities */
4058 /* uses enum ieee80211_min_mpdu_spacing values */
4059 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4060 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4061 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4062 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4063 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4064 /* WLAN_HT_CAP_SM_PS_* values */
4065 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4066 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4067 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4068 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4069
4070 /**
4071  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4072  * @hdr: the frame
4073  *
4074  * The qos ctrl bytes come after the frame_control, duration, seq_num
4075  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4076  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4077  */
4078 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4079 {
4080         union {
4081                 struct ieee80211_qos_hdr        addr3;
4082                 struct ieee80211_qos_hdr_4addr  addr4;
4083         } *qos;
4084
4085         qos = (void *)hdr;
4086         if (ieee80211_has_a4(qos->addr3.frame_control))
4087                 return (u8 *)&qos->addr4.qos_ctrl;
4088         else
4089                 return (u8 *)&qos->addr3.qos_ctrl;
4090 }
4091
4092 /**
4093  * ieee80211_get_tid - get qos TID
4094  * @hdr: the frame
4095  */
4096 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4097 {
4098         u8 *qc = ieee80211_get_qos_ctl(hdr);
4099
4100         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4101 }
4102
4103 /**
4104  * ieee80211_get_SA - get pointer to SA
4105  * @hdr: the frame
4106  *
4107  * Given an 802.11 frame, this function returns the offset
4108  * to the source address (SA). It does not verify that the
4109  * header is long enough to contain the address, and the
4110  * header must be long enough to contain the frame control
4111  * field.
4112  */
4113 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4114 {
4115         if (ieee80211_has_a4(hdr->frame_control))
4116                 return hdr->addr4;
4117         if (ieee80211_has_fromds(hdr->frame_control))
4118                 return hdr->addr3;
4119         return hdr->addr2;
4120 }
4121
4122 /**
4123  * ieee80211_get_DA - get pointer to DA
4124  * @hdr: the frame
4125  *
4126  * Given an 802.11 frame, this function returns the offset
4127  * to the destination address (DA). It does not verify that
4128  * the header is long enough to contain the address, and the
4129  * header must be long enough to contain the frame control
4130  * field.
4131  */
4132 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4133 {
4134         if (ieee80211_has_tods(hdr->frame_control))
4135                 return hdr->addr3;
4136         else
4137                 return hdr->addr1;
4138 }
4139
4140 /**
4141  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4142  * @hdr: the frame (buffer must include at least the first octet of payload)
4143  */
4144 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4145 {
4146         if (ieee80211_is_disassoc(hdr->frame_control) ||
4147             ieee80211_is_deauth(hdr->frame_control))
4148                 return true;
4149
4150         if (ieee80211_is_action(hdr->frame_control)) {
4151                 u8 *category;
4152
4153                 /*
4154                  * Action frames, excluding Public Action frames, are Robust
4155                  * Management Frames. However, if we are looking at a Protected
4156                  * frame, skip the check since the data may be encrypted and
4157                  * the frame has already been found to be a Robust Management
4158                  * Frame (by the other end).
4159                  */
4160                 if (ieee80211_has_protected(hdr->frame_control))
4161                         return true;
4162                 category = ((u8 *) hdr) + 24;
4163                 return *category != WLAN_CATEGORY_PUBLIC &&
4164                         *category != WLAN_CATEGORY_HT &&
4165                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4166                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4167                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4168                         *category != WLAN_CATEGORY_VHT &&
4169                         *category != WLAN_CATEGORY_S1G &&
4170                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4171         }
4172
4173         return false;
4174 }
4175
4176 /**
4177  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4178  * @skb: the skb containing the frame, length will be checked
4179  */
4180 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4181 {
4182         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4183                 return false;
4184         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4185 }
4186
4187 /**
4188  * ieee80211_is_public_action - check if frame is a public action frame
4189  * @hdr: the frame
4190  * @len: length of the frame
4191  */
4192 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4193                                               size_t len)
4194 {
4195         struct ieee80211_mgmt *mgmt = (void *)hdr;
4196
4197         if (len < IEEE80211_MIN_ACTION_SIZE)
4198                 return false;
4199         if (!ieee80211_is_action(hdr->frame_control))
4200                 return false;
4201         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4202 }
4203
4204 /**
4205  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4206  * privacy action frame
4207  * @hdr: the frame
4208  */
4209 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4210 {
4211         struct ieee80211_mgmt *mgmt = (void *)hdr;
4212
4213         if (!ieee80211_is_action(hdr->frame_control) ||
4214             !is_multicast_ether_addr(hdr->addr1))
4215                 return false;
4216
4217         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4218                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4219 }
4220
4221 /**
4222  * ieee80211_is_group_privacy_action - check if frame is a group addressed
4223  * privacy action frame
4224  * @skb: the skb containing the frame, length will be checked
4225  */
4226 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4227 {
4228         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4229                 return false;
4230         return _ieee80211_is_group_privacy_action((void *)skb->data);
4231 }
4232
4233 /**
4234  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4235  * @tu: the TUs
4236  */
4237 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4238 {
4239         return 1024 * tu;
4240 }
4241
4242 /**
4243  * ieee80211_check_tim - check if AID bit is set in TIM
4244  * @tim: the TIM IE
4245  * @tim_len: length of the TIM IE
4246  * @aid: the AID to look for
4247  */
4248 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4249                                        u8 tim_len, u16 aid)
4250 {
4251         u8 mask;
4252         u8 index, indexn1, indexn2;
4253
4254         if (unlikely(!tim || tim_len < sizeof(*tim)))
4255                 return false;
4256
4257         aid &= 0x3fff;
4258         index = aid / 8;
4259         mask  = 1 << (aid & 7);
4260
4261         indexn1 = tim->bitmap_ctrl & 0xfe;
4262         indexn2 = tim_len + indexn1 - 4;
4263
4264         if (index < indexn1 || index > indexn2)
4265                 return false;
4266
4267         index -= indexn1;
4268
4269         return !!(tim->virtual_map[index] & mask);
4270 }
4271
4272 /**
4273  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4274  * @skb: the skb containing the frame, length will not be checked
4275  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4276  *
4277  * This function assumes the frame is a data frame, and that the network header
4278  * is in the correct place.
4279  */
4280 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4281 {
4282         if (!skb_is_nonlinear(skb) &&
4283             skb->len > (skb_network_offset(skb) + 2)) {
4284                 /* Point to where the indication of TDLS should start */
4285                 const u8 *tdls_data = skb_network_header(skb) - 2;
4286
4287                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4288                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4289                     tdls_data[3] == WLAN_CATEGORY_TDLS)
4290                         return tdls_data[4];
4291         }
4292
4293         return -1;
4294 }
4295
4296 /* convert time units */
4297 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
4298 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
4299
4300 /* convert frequencies */
4301 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4302 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4303 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4304 #define KHZ_F "%d.%03d"
4305
4306 /* convert powers */
4307 #define DBI_TO_MBI(gain) ((gain) * 100)
4308 #define MBI_TO_DBI(gain) ((gain) / 100)
4309 #define DBM_TO_MBM(gain) ((gain) * 100)
4310 #define MBM_TO_DBM(gain) ((gain) / 100)
4311
4312 /**
4313  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4314  * @skb: the skb containing the frame, length will be checked
4315  *
4316  * This function checks if it's either TPC report action frame or Link
4317  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4318  * and 8.5.7.5 accordingly.
4319  */
4320 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4321 {
4322         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4323
4324         if (!ieee80211_is_action(mgmt->frame_control))
4325                 return false;
4326
4327         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4328                        sizeof(mgmt->u.action.u.tpc_report))
4329                 return false;
4330
4331         /*
4332          * TPC report - check that:
4333          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4334          * spectrum management action = 3 (TPC/Link Measurement report)
4335          * TPC report EID = 35
4336          * TPC report element length = 2
4337          *
4338          * The spectrum management's tpc_report struct is used here both for
4339          * parsing tpc_report and radio measurement's link measurement report
4340          * frame, since the relevant part is identical in both frames.
4341          */
4342         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4343             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4344                 return false;
4345
4346         /* both spectrum mgmt and link measurement have same action code */
4347         if (mgmt->u.action.u.tpc_report.action_code !=
4348             WLAN_ACTION_SPCT_TPC_RPRT)
4349                 return false;
4350
4351         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4352             mgmt->u.action.u.tpc_report.tpc_elem_length !=
4353             sizeof(struct ieee80211_tpc_report_ie))
4354                 return false;
4355
4356         return true;
4357 }
4358
4359 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4360 {
4361         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4362
4363         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4364                 return false;
4365
4366         if (!ieee80211_is_action(mgmt->frame_control))
4367                 return false;
4368
4369         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4370             mgmt->u.action.u.wnm_timing_msr.action_code ==
4371                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4372             skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4373                 return true;
4374
4375         return false;
4376 }
4377
4378 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4379 {
4380         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4381
4382         if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4383                 return false;
4384
4385         if (mgmt->u.action.u.ftm.action_code ==
4386                 WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
4387             skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4388                 return true;
4389
4390         return false;
4391 }
4392
4393 struct element {
4394         u8 id;
4395         u8 datalen;
4396         u8 data[];
4397 } __packed;
4398
4399 /* element iteration helpers */
4400 #define for_each_element(_elem, _data, _datalen)                        \
4401         for (_elem = (const struct element *)(_data);                   \
4402              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4403                 (int)sizeof(*_elem) &&                                  \
4404              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4405                 (int)sizeof(*_elem) + _elem->datalen;                   \
4406              _elem = (const struct element *)(_elem->data + _elem->datalen))
4407
4408 #define for_each_element_id(element, _id, data, datalen)                \
4409         for_each_element(element, data, datalen)                        \
4410                 if (element->id == (_id))
4411
4412 #define for_each_element_extid(element, extid, _data, _datalen)         \
4413         for_each_element(element, _data, _datalen)                      \
4414                 if (element->id == WLAN_EID_EXTENSION &&                \
4415                     element->datalen > 0 &&                             \
4416                     element->data[0] == (extid))
4417
4418 #define for_each_subelement(sub, element)                               \
4419         for_each_element(sub, (element)->data, (element)->datalen)
4420
4421 #define for_each_subelement_id(sub, id, element)                        \
4422         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4423
4424 #define for_each_subelement_extid(sub, extid, element)                  \
4425         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4426
4427 /**
4428  * for_each_element_completed - determine if element parsing consumed all data
4429  * @element: element pointer after for_each_element() or friends
4430  * @data: same data pointer as passed to for_each_element() or friends
4431  * @datalen: same data length as passed to for_each_element() or friends
4432  *
4433  * This function returns %true if all the data was parsed or considered
4434  * while walking the elements. Only use this if your for_each_element()
4435  * loop cannot be broken out of, otherwise it always returns %false.
4436  *
4437  * If some data was malformed, this returns %false since the last parsed
4438  * element will not fill the whole remaining data.
4439  */
4440 static inline bool for_each_element_completed(const struct element *element,
4441                                               const void *data, size_t datalen)
4442 {
4443         return (const u8 *)element == (const u8 *)data + datalen;
4444 }
4445
4446 /**
4447  * RSNX Capabilities:
4448  * bits 0-3: Field length (n-1)
4449  */
4450 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4451 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4452
4453 /*
4454  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4455  * section 9.4.2.170 and accepted contributions.
4456  */
4457 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4458 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4459 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4460 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4461 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4462 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4463
4464 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4465 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4466 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4467 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4468 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4469 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4470 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4471
4472 struct ieee80211_neighbor_ap_info {
4473         u8 tbtt_info_hdr;
4474         u8 tbtt_info_len;
4475         u8 op_class;
4476         u8 channel;
4477 } __packed;
4478
4479 enum ieee80211_range_params_max_total_ltf {
4480         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4481         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4482         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4483         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4484 };
4485
4486 /* multi-link device */
4487 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4488
4489 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4490 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4491 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4492 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4493 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4494 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4495 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4496
4497 struct ieee80211_multi_link_elem {
4498         __le16 control;
4499         u8 variable[];
4500 } __packed;
4501
4502 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4503 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4504 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4505 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4506 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4507 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4508
4509 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4510 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4511 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4512
4513 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4514 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4515 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4516 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4517 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4518 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4519 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4520 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4521 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4522 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4523 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4524 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4525 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4526 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4527 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4528 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4529 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4530 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4531 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4532 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4533 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4534 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4535 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4536 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4537 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4538 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4539 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4540 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4541 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4542 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4543 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4544 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4545 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4546 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4547
4548 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4549 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4550 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4551 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4552 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4553
4554 struct ieee80211_mle_basic_common_info {
4555         u8 len;
4556         u8 mld_mac_addr[ETH_ALEN];
4557         u8 variable[];
4558 } __packed;
4559
4560 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4561
4562 struct ieee80211_mle_preq_common_info {
4563         u8 len;
4564         u8 variable[];
4565 } __packed;
4566
4567 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4568
4569 /* no fixed fields in RECONF */
4570
4571 struct ieee80211_mle_tdls_common_info {
4572         u8 len;
4573         u8 ap_mld_mac_addr[ETH_ALEN];
4574 } __packed;
4575
4576 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4577
4578 /* no fixed fields in PRIO_ACCESS */
4579
4580 /**
4581  * ieee80211_mle_common_size - check multi-link element common size
4582  * @data: multi-link element, must already be checked for size using
4583  *      ieee80211_mle_size_ok()
4584  */
4585 static inline u8 ieee80211_mle_common_size(const u8 *data)
4586 {
4587         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4588         u16 control = le16_to_cpu(mle->control);
4589         u8 common = 0;
4590
4591         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4592         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4593         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4594         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4595                 /*
4596                  * The length is the first octet pointed by mle->variable so no
4597                  * need to add anything
4598                  */
4599                 break;
4600         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4601                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4602                         common += ETH_ALEN;
4603                 return common;
4604         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4605                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4606                         common += ETH_ALEN;
4607                 return common;
4608         default:
4609                 WARN_ON(1);
4610                 return 0;
4611         }
4612
4613         return sizeof(*mle) + common + mle->variable[0];
4614 }
4615
4616 /**
4617  * ieee80211_mle_size_ok - validate multi-link element size
4618  * @data: pointer to the element data
4619  * @len: length of the containing element
4620  */
4621 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4622 {
4623         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4624         u8 fixed = sizeof(*mle);
4625         u8 common = 0;
4626         bool check_common_len = false;
4627         u16 control;
4628
4629         if (len < fixed)
4630                 return false;
4631
4632         control = le16_to_cpu(mle->control);
4633
4634         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4635         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4636                 common += sizeof(struct ieee80211_mle_basic_common_info);
4637                 check_common_len = true;
4638                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4639                         common += 1;
4640                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4641                         common += 1;
4642                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4643                         common += 2;
4644                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4645                         common += 2;
4646                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4647                         common += 2;
4648                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4649                         common += 1;
4650                 break;
4651         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4652                 common += sizeof(struct ieee80211_mle_preq_common_info);
4653                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4654                         common += 1;
4655                 check_common_len = true;
4656                 break;
4657         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4658                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4659                         common += ETH_ALEN;
4660                 break;
4661         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4662                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4663                 check_common_len = true;
4664                 break;
4665         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4666                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4667                         common += ETH_ALEN;
4668                 break;
4669         default:
4670                 /* we don't know this type */
4671                 return true;
4672         }
4673
4674         if (len < fixed + common)
4675                 return false;
4676
4677         if (!check_common_len)
4678                 return true;
4679
4680         /* if present, common length is the first octet there */
4681         return mle->variable[0] >= common;
4682 }
4683
4684 enum ieee80211_mle_subelems {
4685         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4686         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
4687 };
4688
4689 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4690 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4691 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4692 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4693 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4694 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4695 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4696 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4697 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4698
4699 struct ieee80211_mle_per_sta_profile {
4700         __le16 control;
4701         u8 sta_info_len;
4702         u8 variable[];
4703 } __packed;
4704
4705 /**
4706  * ieee80211_mle_sta_prof_size_ok - validate multi-link element sta profile size
4707  * @data: pointer to the sub element data
4708  * @len: length of the containing sub element
4709  */
4710 static inline bool ieee80211_mle_sta_prof_size_ok(const u8 *data, size_t len)
4711 {
4712         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4713         u16 control;
4714         u8 fixed = sizeof(*prof);
4715         u8 info_len = 1;
4716
4717         if (len < fixed)
4718                 return false;
4719
4720         control = le16_to_cpu(prof->control);
4721
4722         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4723                 info_len += 6;
4724         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4725                 info_len += 2;
4726         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4727                 info_len += 8;
4728         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4729                 info_len += 2;
4730         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4731                 info_len += 1;
4732
4733         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4734             control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
4735                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4736                         info_len += 2;
4737                 else
4738                         info_len += 1;
4739         }
4740
4741         return prof->sta_info_len >= info_len &&
4742                fixed + prof->sta_info_len <= len;
4743 }
4744
4745 #define for_each_mle_subelement(_elem, _data, _len)                     \
4746         if (ieee80211_mle_size_ok(_data, _len))                         \
4747                 for_each_element(_elem,                                 \
4748                                  _data + ieee80211_mle_common_size(_data),\
4749                                  _len - ieee80211_mle_common_size(_data))
4750
4751 #endif /* LINUX_IEEE80211_H */