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 - 2023 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_first_frag - check if IEEE80211_SCTL_FRAG is not set
 787  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 788  */
 789 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 790 {
 791         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 792 }
 793
 794 /**
 795  * ieee80211_is_frag - check if a frame is a fragment
 796  * @hdr: 802.11 header of the frame
 797  */
 798 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 799 {
 800         return ieee80211_has_morefrags(hdr->frame_control) ||
 801                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 802 }
 803
 804 struct ieee80211s_hdr {
 805         u8 flags;
 806         u8 ttl;
 807         __le32 seqnum;
 808         u8 eaddr1[ETH_ALEN];
 809         u8 eaddr2[ETH_ALEN];
 810 } __packed __aligned(2);
 811
 812 /* Mesh flags */
 813 #define MESH_FLAGS_AE_A4        0x1
 814 #define MESH_FLAGS_AE_A5_A6     0x2
 815 #define MESH_FLAGS_AE           0x3
 816 #define MESH_FLAGS_PS_DEEP      0x4
 817
 818 /**
 819  * enum ieee80211_preq_flags - mesh PREQ element flags
 820  *
 821  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 822  */
 823 enum ieee80211_preq_flags {
 824         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 825 };
 826
 827 /**
 828  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 829  *
 830  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 831  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 832  */
 833 enum ieee80211_preq_target_flags {
 834         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 835         IEEE80211_PREQ_USN_FLAG = 1<<2,
 836 };
 837
 838 /**
 839  * struct ieee80211_quiet_ie
 840  *
 841  * This structure refers to "Quiet information element"
 842  */
 843 struct ieee80211_quiet_ie {
 844         u8 count;
 845         u8 period;
 846         __le16 duration;
 847         __le16 offset;
 848 } __packed;
 849
 850 /**
 851  * struct ieee80211_msrment_ie
 852  *
 853  * This structure refers to "Measurement Request/Report information element"
 854  */
 855 struct ieee80211_msrment_ie {
 856         u8 token;
 857         u8 mode;
 858         u8 type;
 859         u8 request[];
 860 } __packed;
 861
 862 /**
 863  * struct ieee80211_channel_sw_ie
 864  *
 865  * This structure refers to "Channel Switch Announcement information element"
 866  */
 867 struct ieee80211_channel_sw_ie {
 868         u8 mode;
 869         u8 new_ch_num;
 870         u8 count;
 871 } __packed;
 872
 873 /**
 874  * struct ieee80211_ext_chansw_ie
 875  *
 876  * This structure represents the "Extended Channel Switch Announcement element"
 877  */
 878 struct ieee80211_ext_chansw_ie {
 879         u8 mode;
 880         u8 new_operating_class;
 881         u8 new_ch_num;
 882         u8 count;
 883 } __packed;
 884
 885 /**
 886  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 887  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 888  *      values here
 889  * This structure represents the "Secondary Channel Offset element"
 890  */
 891 struct ieee80211_sec_chan_offs_ie {
 892         u8 sec_chan_offs;
 893 } __packed;
 894
 895 /**
 896  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 897  *
 898  * This structure represents the "Mesh Channel Switch Paramters element"
 899  */
 900 struct ieee80211_mesh_chansw_params_ie {
 901         u8 mesh_ttl;
 902         u8 mesh_flags;
 903         __le16 mesh_reason;
 904         __le16 mesh_pre_value;
 905 } __packed;
 906
 907 /**
 908  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 909  */
 910 struct ieee80211_wide_bw_chansw_ie {
 911         u8 new_channel_width;
 912         u8 new_center_freq_seg0, new_center_freq_seg1;
 913 } __packed;
 914
 915 /**
 916  * struct ieee80211_tim
 917  *
 918  * This structure refers to "Traffic Indication Map information element"
 919  */
 920 struct ieee80211_tim_ie {
 921         u8 dtim_count;
 922         u8 dtim_period;
 923         u8 bitmap_ctrl;
 924         /* variable size: 1 - 251 bytes */
 925         u8 virtual_map[1];
 926 } __packed;
 927
 928 /**
 929  * struct ieee80211_meshconf_ie
 930  *
 931  * This structure refers to "Mesh Configuration information element"
 932  */
 933 struct ieee80211_meshconf_ie {
 934         u8 meshconf_psel;
 935         u8 meshconf_pmetric;
 936         u8 meshconf_congest;
 937         u8 meshconf_synch;
 938         u8 meshconf_auth;
 939         u8 meshconf_form;
 940         u8 meshconf_cap;
 941 } __packed;
 942
 943 /**
 944  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 945  *
 946  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 947  *      additional mesh peerings with other mesh STAs
 948  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 949  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 950  *      is ongoing
 951  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 952  *      neighbors in deep sleep mode
 953  */
 954 enum mesh_config_capab_flags {
 955         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 956         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 957         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 958         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 959 };
 960
 961 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 962
 963 /**
 964  * mesh channel switch parameters element's flag indicator
 965  *
 966  */
 967 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 968 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 969 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 970
 971 /**
 972  * struct ieee80211_rann_ie
 973  *
 974  * This structure refers to "Root Announcement information element"
 975  */
 976 struct ieee80211_rann_ie {
 977         u8 rann_flags;
 978         u8 rann_hopcount;
 979         u8 rann_ttl;
 980         u8 rann_addr[ETH_ALEN];
 981         __le32 rann_seq;
 982         __le32 rann_interval;
 983         __le32 rann_metric;
 984 } __packed;
 985
 986 enum ieee80211_rann_flags {
 987         RANN_FLAG_IS_GATE = 1 << 0,
 988 };
 989
 990 enum ieee80211_ht_chanwidth_values {
 991         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 992         IEEE80211_HT_CHANWIDTH_ANY = 1,
 993 };
 994
 995 /**
 996  * enum ieee80211_opmode_bits - VHT operating mode field bits
 997  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 998  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 999  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1000  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1001  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1002  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1003  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1004  *      (the NSS value is the value of this field + 1)
1005  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1006  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1007  *      using a beamforming steering matrix
1008  */
1009 enum ieee80211_vht_opmode_bits {
1010         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
1011         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
1012         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
1013         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
1014         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1015         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
1016         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
1017         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
1018         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
1019 };
1020
1021 /**
1022  * enum ieee80211_s1g_chanwidth
1023  * These are defined in IEEE802.11-2016ah Table 10-20
1024  * as BSS Channel Width
1025  *
1026  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1027  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1028  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1029  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1030  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1031  */
1032 enum ieee80211_s1g_chanwidth {
1033         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1034         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1035         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1036         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1037         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1038 };
1039
1040 #define WLAN_SA_QUERY_TR_ID_LEN 2
1041 #define WLAN_MEMBERSHIP_LEN 8
1042 #define WLAN_USER_POSITION_LEN 16
1043
1044 /**
1045  * struct ieee80211_tpc_report_ie
1046  *
1047  * This structure refers to "TPC Report element"
1048  */
1049 struct ieee80211_tpc_report_ie {
1050         u8 tx_power;
1051         u8 link_margin;
1052 } __packed;
1053
1054 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1055 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1056 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1057 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK       GENMASK(7, 5)
1058 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT      10
1059
1060 struct ieee80211_addba_ext_ie {
1061         u8 data;
1062 } __packed;
1063
1064 /**
1065  * struct ieee80211_s1g_bcn_compat_ie
1066  *
1067  * S1G Beacon Compatibility element
1068  */
1069 struct ieee80211_s1g_bcn_compat_ie {
1070         __le16 compat_info;
1071         __le16 beacon_int;
1072         __le32 tsf_completion;
1073 } __packed;
1074
1075 /**
1076  * struct ieee80211_s1g_oper_ie
1077  *
1078  * S1G Operation element
1079  */
1080 struct ieee80211_s1g_oper_ie {
1081         u8 ch_width;
1082         u8 oper_class;
1083         u8 primary_ch;
1084         u8 oper_ch;
1085         __le16 basic_mcs_nss;
1086 } __packed;
1087
1088 /**
1089  * struct ieee80211_aid_response_ie
1090  *
1091  * AID Response element
1092  */
1093 struct ieee80211_aid_response_ie {
1094         __le16 aid;
1095         u8 switch_count;
1096         __le16 response_int;
1097 } __packed;
1098
1099 struct ieee80211_s1g_cap {
1100         u8 capab_info[10];
1101         u8 supp_mcs_nss[5];
1102 } __packed;
1103
1104 struct ieee80211_ext {
1105         __le16 frame_control;
1106         __le16 duration;
1107         union {
1108                 struct {
1109                         u8 sa[ETH_ALEN];
1110                         __le32 timestamp;
1111                         u8 change_seq;
1112                         u8 variable[0];
1113                 } __packed s1g_beacon;
1114                 struct {
1115                         u8 sa[ETH_ALEN];
1116                         __le32 timestamp;
1117                         u8 change_seq;
1118                         u8 next_tbtt[3];
1119                         u8 variable[0];
1120                 } __packed s1g_short_beacon;
1121         } u;
1122 } __packed __aligned(2);
1123
1124 #define IEEE80211_TWT_CONTROL_NDP                       BIT(0)
1125 #define IEEE80211_TWT_CONTROL_RESP_MODE                 BIT(1)
1126 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST        BIT(3)
1127 #define IEEE80211_TWT_CONTROL_RX_DISABLED               BIT(4)
1128 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT             BIT(5)
1129
1130 #define IEEE80211_TWT_REQTYPE_REQUEST                   BIT(0)
1131 #define IEEE80211_TWT_REQTYPE_SETUP_CMD                 GENMASK(3, 1)
1132 #define IEEE80211_TWT_REQTYPE_TRIGGER                   BIT(4)
1133 #define IEEE80211_TWT_REQTYPE_IMPLICIT                  BIT(5)
1134 #define IEEE80211_TWT_REQTYPE_FLOWTYPE                  BIT(6)
1135 #define IEEE80211_TWT_REQTYPE_FLOWID                    GENMASK(9, 7)
1136 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP              GENMASK(14, 10)
1137 #define IEEE80211_TWT_REQTYPE_PROTECTION                BIT(15)
1138
1139 enum ieee80211_twt_setup_cmd {
1140         TWT_SETUP_CMD_REQUEST,
1141         TWT_SETUP_CMD_SUGGEST,
1142         TWT_SETUP_CMD_DEMAND,
1143         TWT_SETUP_CMD_GROUPING,
1144         TWT_SETUP_CMD_ACCEPT,
1145         TWT_SETUP_CMD_ALTERNATE,
1146         TWT_SETUP_CMD_DICTATE,
1147         TWT_SETUP_CMD_REJECT,
1148 };
1149
1150 struct ieee80211_twt_params {
1151         __le16 req_type;
1152         __le64 twt;
1153         u8 min_twt_dur;
1154         __le16 mantissa;
1155         u8 channel;
1156 } __packed;
1157
1158 struct ieee80211_twt_setup {
1159         u8 dialog_token;
1160         u8 element_id;
1161         u8 length;
1162         u8 control;
1163         u8 params[];
1164 } __packed;
1165
1166 struct ieee80211_mgmt {
1167         __le16 frame_control;
1168         __le16 duration;
1169         u8 da[ETH_ALEN];
1170         u8 sa[ETH_ALEN];
1171         u8 bssid[ETH_ALEN];
1172         __le16 seq_ctrl;
1173         union {
1174                 struct {
1175                         __le16 auth_alg;
1176                         __le16 auth_transaction;
1177                         __le16 status_code;
1178                         /* possibly followed by Challenge text */
1179                         u8 variable[];
1180                 } __packed auth;
1181                 struct {
1182                         __le16 reason_code;
1183                 } __packed deauth;
1184                 struct {
1185                         __le16 capab_info;
1186                         __le16 listen_interval;
1187                         /* followed by SSID and Supported rates */
1188                         u8 variable[];
1189                 } __packed assoc_req;
1190                 struct {
1191                         __le16 capab_info;
1192                         __le16 status_code;
1193                         __le16 aid;
1194                         /* followed by Supported rates */
1195                         u8 variable[];
1196                 } __packed assoc_resp, reassoc_resp;
1197                 struct {
1198                         __le16 capab_info;
1199                         __le16 status_code;
1200                         u8 variable[];
1201                 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1202                 struct {
1203                         __le16 capab_info;
1204                         __le16 listen_interval;
1205                         u8 current_ap[ETH_ALEN];
1206                         /* followed by SSID and Supported rates */
1207                         u8 variable[];
1208                 } __packed reassoc_req;
1209                 struct {
1210                         __le16 reason_code;
1211                 } __packed disassoc;
1212                 struct {
1213                         __le64 timestamp;
1214                         __le16 beacon_int;
1215                         __le16 capab_info;
1216                         /* followed by some of SSID, Supported rates,
1217                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1218                         u8 variable[];
1219                 } __packed beacon;
1220                 struct {
1221                         /* only variable items: SSID, Supported rates */
1222                         DECLARE_FLEX_ARRAY(u8, variable);
1223                 } __packed probe_req;
1224                 struct {
1225                         __le64 timestamp;
1226                         __le16 beacon_int;
1227                         __le16 capab_info;
1228                         /* followed by some of SSID, Supported rates,
1229                          * FH Params, DS Params, CF Params, IBSS Params */
1230                         u8 variable[];
1231                 } __packed probe_resp;
1232                 struct {
1233                         u8 category;
1234                         union {
1235                                 struct {
1236                                         u8 action_code;
1237                                         u8 dialog_token;
1238                                         u8 status_code;
1239                                         u8 variable[];
1240                                 } __packed wme_action;
1241                                 struct{
1242                                         u8 action_code;
1243                                         u8 variable[];
1244                                 } __packed chan_switch;
1245                                 struct{
1246                                         u8 action_code;
1247                                         struct ieee80211_ext_chansw_ie data;
1248                                         u8 variable[];
1249                                 } __packed ext_chan_switch;
1250                                 struct{
1251                                         u8 action_code;
1252                                         u8 dialog_token;
1253                                         u8 element_id;
1254                                         u8 length;
1255                                         struct ieee80211_msrment_ie msr_elem;
1256                                 } __packed measurement;
1257                                 struct{
1258                                         u8 action_code;
1259                                         u8 dialog_token;
1260                                         __le16 capab;
1261                                         __le16 timeout;
1262                                         __le16 start_seq_num;
1263                                         /* followed by BA Extension */
1264                                         u8 variable[];
1265                                 } __packed addba_req;
1266                                 struct{
1267                                         u8 action_code;
1268                                         u8 dialog_token;
1269                                         __le16 status;
1270                                         __le16 capab;
1271                                         __le16 timeout;
1272                                 } __packed addba_resp;
1273                                 struct{
1274                                         u8 action_code;
1275                                         __le16 params;
1276                                         __le16 reason_code;
1277                                 } __packed delba;
1278                                 struct {
1279                                         u8 action_code;
1280                                         u8 variable[];
1281                                 } __packed self_prot;
1282                                 struct{
1283                                         u8 action_code;
1284                                         u8 variable[];
1285                                 } __packed mesh_action;
1286                                 struct {
1287                                         u8 action;
1288                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1289                                 } __packed sa_query;
1290                                 struct {
1291                                         u8 action;
1292                                         u8 smps_control;
1293                                 } __packed ht_smps;
1294                                 struct {
1295                                         u8 action_code;
1296                                         u8 chanwidth;
1297                                 } __packed ht_notify_cw;
1298                                 struct {
1299                                         u8 action_code;
1300                                         u8 dialog_token;
1301                                         __le16 capability;
1302                                         u8 variable[0];
1303                                 } __packed tdls_discover_resp;
1304                                 struct {
1305                                         u8 action_code;
1306                                         u8 operating_mode;
1307                                 } __packed vht_opmode_notif;
1308                                 struct {
1309                                         u8 action_code;
1310                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1311                                         u8 position[WLAN_USER_POSITION_LEN];
1312                                 } __packed vht_group_notif;
1313                                 struct {
1314                                         u8 action_code;
1315                                         u8 dialog_token;
1316                                         u8 tpc_elem_id;
1317                                         u8 tpc_elem_length;
1318                                         struct ieee80211_tpc_report_ie tpc;
1319                                 } __packed tpc_report;
1320                                 struct {
1321                                         u8 action_code;
1322                                         u8 dialog_token;
1323                                         u8 follow_up;
1324                                         u8 tod[6];
1325                                         u8 toa[6];
1326                                         __le16 tod_error;
1327                                         __le16 toa_error;
1328                                         u8 variable[];
1329                                 } __packed ftm;
1330                                 struct {
1331                                         u8 action_code;
1332                                         u8 variable[];
1333                                 } __packed s1g;
1334                                 struct {
1335                                         u8 action_code;
1336                                         u8 dialog_token;
1337                                         u8 follow_up;
1338                                         u32 tod;
1339                                         u32 toa;
1340                                         u8 max_tod_error;
1341                                         u8 max_toa_error;
1342                                 } __packed wnm_timing_msr;
1343                         } u;
1344                 } __packed action;
1345                 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1346         } u;
1347 } __packed __aligned(2);
1348
1349 /* Supported rates membership selectors */
1350 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1351 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1352 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1353 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1354
1355 /* mgmt header + 1 byte category code */
1356 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1357
1358
1359 /* Management MIC information element (IEEE 802.11w) */
1360 struct ieee80211_mmie {
1361         u8 element_id;
1362         u8 length;
1363         __le16 key_id;
1364         u8 sequence_number[6];
1365         u8 mic[8];
1366 } __packed;
1367
1368 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1369 struct ieee80211_mmie_16 {
1370         u8 element_id;
1371         u8 length;
1372         __le16 key_id;
1373         u8 sequence_number[6];
1374         u8 mic[16];
1375 } __packed;
1376
1377 struct ieee80211_vendor_ie {
1378         u8 element_id;
1379         u8 len;
1380         u8 oui[3];
1381         u8 oui_type;
1382 } __packed;
1383
1384 struct ieee80211_wmm_ac_param {
1385         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1386         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1387         __le16 txop_limit;
1388 } __packed;
1389
1390 struct ieee80211_wmm_param_ie {
1391         u8 element_id; /* Element ID: 221 (0xdd); */
1392         u8 len; /* Length: 24 */
1393         /* required fields for WMM version 1 */
1394         u8 oui[3]; /* 00:50:f2 */
1395         u8 oui_type; /* 2 */
1396         u8 oui_subtype; /* 1 */
1397         u8 version; /* 1 for WMM version 1.0 */
1398         u8 qos_info; /* AP/STA specific QoS info */
1399         u8 reserved; /* 0 */
1400         /* AC_BE, AC_BK, AC_VI, AC_VO */
1401         struct ieee80211_wmm_ac_param ac[4];
1402 } __packed;
1403
1404 /* Control frames */
1405 struct ieee80211_rts {
1406         __le16 frame_control;
1407         __le16 duration;
1408         u8 ra[ETH_ALEN];
1409         u8 ta[ETH_ALEN];
1410 } __packed __aligned(2);
1411
1412 struct ieee80211_cts {
1413         __le16 frame_control;
1414         __le16 duration;
1415         u8 ra[ETH_ALEN];
1416 } __packed __aligned(2);
1417
1418 struct ieee80211_pspoll {
1419         __le16 frame_control;
1420         __le16 aid;
1421         u8 bssid[ETH_ALEN];
1422         u8 ta[ETH_ALEN];
1423 } __packed __aligned(2);
1424
1425 /* TDLS */
1426
1427 /* Channel switch timing */
1428 struct ieee80211_ch_switch_timing {
1429         __le16 switch_time;
1430         __le16 switch_timeout;
1431 } __packed;
1432
1433 /* Link-id information element */
1434 struct ieee80211_tdls_lnkie {
1435         u8 ie_type; /* Link Identifier IE */
1436         u8 ie_len;
1437         u8 bssid[ETH_ALEN];
1438         u8 init_sta[ETH_ALEN];
1439         u8 resp_sta[ETH_ALEN];
1440 } __packed;
1441
1442 struct ieee80211_tdls_data {
1443         u8 da[ETH_ALEN];
1444         u8 sa[ETH_ALEN];
1445         __be16 ether_type;
1446         u8 payload_type;
1447         u8 category;
1448         u8 action_code;
1449         union {
1450                 struct {
1451                         u8 dialog_token;
1452                         __le16 capability;
1453                         u8 variable[0];
1454                 } __packed setup_req;
1455                 struct {
1456                         __le16 status_code;
1457                         u8 dialog_token;
1458                         __le16 capability;
1459                         u8 variable[0];
1460                 } __packed setup_resp;
1461                 struct {
1462                         __le16 status_code;
1463                         u8 dialog_token;
1464                         u8 variable[0];
1465                 } __packed setup_cfm;
1466                 struct {
1467                         __le16 reason_code;
1468                         u8 variable[0];
1469                 } __packed teardown;
1470                 struct {
1471                         u8 dialog_token;
1472                         u8 variable[0];
1473                 } __packed discover_req;
1474                 struct {
1475                         u8 target_channel;
1476                         u8 oper_class;
1477                         u8 variable[0];
1478                 } __packed chan_switch_req;
1479                 struct {
1480                         __le16 status_code;
1481                         u8 variable[0];
1482                 } __packed chan_switch_resp;
1483         } u;
1484 } __packed;
1485
1486 /*
1487  * Peer-to-Peer IE attribute related definitions.
1488  */
1489 /**
1490  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1491  */
1492 enum ieee80211_p2p_attr_id {
1493         IEEE80211_P2P_ATTR_STATUS = 0,
1494         IEEE80211_P2P_ATTR_MINOR_REASON,
1495         IEEE80211_P2P_ATTR_CAPABILITY,
1496         IEEE80211_P2P_ATTR_DEVICE_ID,
1497         IEEE80211_P2P_ATTR_GO_INTENT,
1498         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1499         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1500         IEEE80211_P2P_ATTR_GROUP_BSSID,
1501         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1502         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1503         IEEE80211_P2P_ATTR_MANAGABILITY,
1504         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1505         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1506         IEEE80211_P2P_ATTR_DEVICE_INFO,
1507         IEEE80211_P2P_ATTR_GROUP_INFO,
1508         IEEE80211_P2P_ATTR_GROUP_ID,
1509         IEEE80211_P2P_ATTR_INTERFACE,
1510         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1511         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1512         /* 19 - 220: Reserved */
1513         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1514
1515         IEEE80211_P2P_ATTR_MAX
1516 };
1517
1518 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1519 /* Typical max value used here */
1520 #define IEEE80211_P2P_NOA_DESC_MAX      4
1521
1522 struct ieee80211_p2p_noa_desc {
1523         u8 count;
1524         __le32 duration;
1525         __le32 interval;
1526         __le32 start_time;
1527 } __packed;
1528
1529 struct ieee80211_p2p_noa_attr {
1530         u8 index;
1531         u8 oppps_ctwindow;
1532         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1533 } __packed;
1534
1535 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1536 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1537
1538 /**
1539  * struct ieee80211_bar - HT Block Ack Request
1540  *
1541  * This structure refers to "HT BlockAckReq" as
1542  * described in 802.11n draft section 7.2.1.7.1
1543  */
1544 struct ieee80211_bar {
1545         __le16 frame_control;
1546         __le16 duration;
1547         __u8 ra[ETH_ALEN];
1548         __u8 ta[ETH_ALEN];
1549         __le16 control;
1550         __le16 start_seq_num;
1551 } __packed;
1552
1553 /* 802.11 BAR control masks */
1554 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1555 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1556 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1557 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1558 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1559
1560 #define IEEE80211_HT_MCS_MASK_LEN               10
1561
1562 /**
1563  * struct ieee80211_mcs_info - MCS information
1564  * @rx_mask: RX mask
1565  * @rx_highest: highest supported RX rate. If set represents
1566  *      the highest supported RX data rate in units of 1 Mbps.
1567  *      If this field is 0 this value should not be used to
1568  *      consider the highest RX data rate supported.
1569  * @tx_params: TX parameters
1570  */
1571 struct ieee80211_mcs_info {
1572         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1573         __le16 rx_highest;
1574         u8 tx_params;
1575         u8 reserved[3];
1576 } __packed;
1577
1578 /* 802.11n HT capability MSC set */
1579 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1580 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1581 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1582 /* value 0 == 1 stream etc */
1583 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1584 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1585 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1586 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1587
1588 /*
1589  * 802.11n D5.0 20.3.5 / 20.6 says:
1590  * - indices 0 to 7 and 32 are single spatial stream
1591  * - 8 to 31 are multiple spatial streams using equal modulation
1592  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1593  * - remainder are multiple spatial streams using unequal modulation
1594  */
1595 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1596 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1597         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1598
1599 /**
1600  * struct ieee80211_ht_cap - HT capabilities
1601  *
1602  * This structure is the "HT capabilities element" as
1603  * described in 802.11n D5.0 7.3.2.57
1604  */
1605 struct ieee80211_ht_cap {
1606         __le16 cap_info;
1607         u8 ampdu_params_info;
1608
1609         /* 16 bytes MCS information */
1610         struct ieee80211_mcs_info mcs;
1611
1612         __le16 extended_ht_cap_info;
1613         __le32 tx_BF_cap_info;
1614         u8 antenna_selection_info;
1615 } __packed;
1616
1617 /* 802.11n HT capabilities masks (for cap_info) */
1618 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1619 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1620 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1621 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1622 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1623 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1624 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1625 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1626 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1627 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1628 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1629 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1630 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1631 #define IEEE80211_HT_CAP_RESERVED               0x2000
1632 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1633 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1634
1635 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1636 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1637 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1638 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1639 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1640 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1641 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1642 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1643
1644 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1645 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1646 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1647 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1648
1649 /*
1650  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1651  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1652  */
1653 enum ieee80211_max_ampdu_length_exp {
1654         IEEE80211_HT_MAX_AMPDU_8K = 0,
1655         IEEE80211_HT_MAX_AMPDU_16K = 1,
1656         IEEE80211_HT_MAX_AMPDU_32K = 2,
1657         IEEE80211_HT_MAX_AMPDU_64K = 3
1658 };
1659
1660 /*
1661  * Maximum length of AMPDU that the STA can receive in VHT.
1662  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1663  */
1664 enum ieee80211_vht_max_ampdu_length_exp {
1665         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1666         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1667         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1668         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1669         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1670         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1671         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1672         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1673 };
1674
1675 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1676
1677 /* Minimum MPDU start spacing */
1678 enum ieee80211_min_mpdu_spacing {
1679         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1680         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1681         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1682         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1683         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1684         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1685         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1686         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1687 };
1688
1689 /**
1690  * struct ieee80211_ht_operation - HT operation IE
1691  *
1692  * This structure is the "HT operation element" as
1693  * described in 802.11n-2009 7.3.2.57
1694  */
1695 struct ieee80211_ht_operation {
1696         u8 primary_chan;
1697         u8 ht_param;
1698         __le16 operation_mode;
1699         __le16 stbc_param;
1700         u8 basic_set[16];
1701 } __packed;
1702
1703 /* for ht_param */
1704 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1705 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1706 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1707 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1708 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1709 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1710
1711 /* for operation_mode */
1712 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1713 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1714 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1715 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1716 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1717 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1718 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1719 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1720 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1721
1722 /* for stbc_param */
1723 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1724 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1725 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1726 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1727 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1728 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1729
1730
1731 /* block-ack parameters */
1732 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1733 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1734 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1735 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1736 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1737 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1738
1739 /*
1740  * A-MPDU buffer sizes
1741  * According to HT size varies from 8 to 64 frames
1742  * HE adds the ability to have up to 256 frames.
1743  * EHT adds the ability to have up to 1K frames.
1744  */
1745 #define IEEE80211_MIN_AMPDU_BUF         0x8
1746 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1747 #define IEEE80211_MAX_AMPDU_BUF_HE      0x100
1748 #define IEEE80211_MAX_AMPDU_BUF_EHT     0x400
1749
1750
1751 /* Spatial Multiplexing Power Save Modes (for capability) */
1752 #define WLAN_HT_CAP_SM_PS_STATIC        0
1753 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1754 #define WLAN_HT_CAP_SM_PS_INVALID       2
1755 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1756
1757 /* for SM power control field lower two bits */
1758 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1759 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1760 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1761
1762 /**
1763  * struct ieee80211_vht_mcs_info - VHT MCS information
1764  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1765  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1766  *      STA can receive. Rate expressed in units of 1 Mbps.
1767  *      If this field is 0 this value should not be used to
1768  *      consider the highest RX data rate supported.
1769  *      The top 3 bits of this field indicate the Maximum NSTS,total
1770  *      (a beamformee capability.)
1771  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1772  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1773  *      STA can transmit. Rate expressed in units of 1 Mbps.
1774  *      If this field is 0 this value should not be used to
1775  *      consider the highest TX data rate supported.
1776  *      The top 2 bits of this field are reserved, the
1777  *      3rd bit from the top indiciates VHT Extended NSS BW
1778  *      Capability.
1779  */
1780 struct ieee80211_vht_mcs_info {
1781         __le16 rx_mcs_map;
1782         __le16 rx_highest;
1783         __le16 tx_mcs_map;
1784         __le16 tx_highest;
1785 } __packed;
1786
1787 /* for rx_highest */
1788 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1789 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1790
1791 /* for tx_highest */
1792 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1793
1794 /**
1795  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1796  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1797  *      number of streams
1798  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1799  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1800  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1801  *
1802  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1803  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1804  * both split into 8 subfields by number of streams. These values indicate
1805  * which MCSes are supported for the number of streams the value appears
1806  * for.
1807  */
1808 enum ieee80211_vht_mcs_support {
1809         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1810         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1811         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1812         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1813 };
1814
1815 /**
1816  * struct ieee80211_vht_cap - VHT capabilities
1817  *
1818  * This structure is the "VHT capabilities element" as
1819  * described in 802.11ac D3.0 8.4.2.160
1820  * @vht_cap_info: VHT capability info
1821  * @supp_mcs: VHT MCS supported rates
1822  */
1823 struct ieee80211_vht_cap {
1824         __le32 vht_cap_info;
1825         struct ieee80211_vht_mcs_info supp_mcs;
1826 } __packed;
1827
1828 /**
1829  * enum ieee80211_vht_chanwidth - VHT channel width
1830  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1831  *      determine the channel width (20 or 40 MHz)
1832  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1833  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1834  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1835  */
1836 enum ieee80211_vht_chanwidth {
1837         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1838         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1839         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1840         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1841 };
1842
1843 /**
1844  * struct ieee80211_vht_operation - VHT operation IE
1845  *
1846  * This structure is the "VHT operation element" as
1847  * described in 802.11ac D3.0 8.4.2.161
1848  * @chan_width: Operating channel width
1849  * @center_freq_seg0_idx: center freq segment 0 index
1850  * @center_freq_seg1_idx: center freq segment 1 index
1851  * @basic_mcs_set: VHT Basic MCS rate set
1852  */
1853 struct ieee80211_vht_operation {
1854         u8 chan_width;
1855         u8 center_freq_seg0_idx;
1856         u8 center_freq_seg1_idx;
1857         __le16 basic_mcs_set;
1858 } __packed;
1859
1860 /**
1861  * struct ieee80211_he_cap_elem - HE capabilities element
1862  *
1863  * This structure is the "HE capabilities element" fixed fields as
1864  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1865  */
1866 struct ieee80211_he_cap_elem {
1867         u8 mac_cap_info[6];
1868         u8 phy_cap_info[11];
1869 } __packed;
1870
1871 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1872
1873 /**
1874  * enum ieee80211_he_mcs_support - HE MCS support definitions
1875  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1876  *      number of streams
1877  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1878  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1879  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1880  *
1881  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1882  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1883  * both split into 8 subfields by number of streams. These values indicate
1884  * which MCSes are supported for the number of streams the value appears
1885  * for.
1886  */
1887 enum ieee80211_he_mcs_support {
1888         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1889         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1890         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1891         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1892 };
1893
1894 /**
1895  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1896  *
1897  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1898  * described in P802.11ax_D2.0 section 9.4.2.237.4
1899  *
1900  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1901  *     widths less than 80MHz.
1902  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1903  *     widths less than 80MHz.
1904  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1905  *     width 160MHz.
1906  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1907  *     width 160MHz.
1908  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1909  *     channel width 80p80MHz.
1910  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1911  *     channel width 80p80MHz.
1912  */
1913 struct ieee80211_he_mcs_nss_supp {
1914         __le16 rx_mcs_80;
1915         __le16 tx_mcs_80;
1916         __le16 rx_mcs_160;
1917         __le16 tx_mcs_160;
1918         __le16 rx_mcs_80p80;
1919         __le16 tx_mcs_80p80;
1920 } __packed;
1921
1922 /**
1923  * struct ieee80211_he_operation - HE capabilities element
1924  *
1925  * This structure is the "HE operation element" fields as
1926  * described in P802.11ax_D4.0 section 9.4.2.243
1927  */
1928 struct ieee80211_he_operation {
1929         __le32 he_oper_params;
1930         __le16 he_mcs_nss_set;
1931         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1932         u8 optional[];
1933 } __packed;
1934
1935 /**
1936  * struct ieee80211_he_spr - HE spatial reuse element
1937  *
1938  * This structure is the "HE spatial reuse element" element as
1939  * described in P802.11ax_D4.0 section 9.4.2.241
1940  */
1941 struct ieee80211_he_spr {
1942         u8 he_sr_control;
1943         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1944         u8 optional[];
1945 } __packed;
1946
1947 /**
1948  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1949  *
1950  * This structure is the "MU AC Parameter Record" fields as
1951  * described in P802.11ax_D4.0 section 9.4.2.245
1952  */
1953 struct ieee80211_he_mu_edca_param_ac_rec {
1954         u8 aifsn;
1955         u8 ecw_min_max;
1956         u8 mu_edca_timer;
1957 } __packed;
1958
1959 /**
1960  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1961  *
1962  * This structure is the "MU EDCA Parameter Set element" fields as
1963  * described in P802.11ax_D4.0 section 9.4.2.245
1964  */
1965 struct ieee80211_mu_edca_param_set {
1966         u8 mu_qos_info;
1967         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1968         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1969         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1970         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1971 } __packed;
1972
1973 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1974 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1975
1976 /**
1977  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1978  * supported NSS for per MCS.
1979  *
1980  * For each field below, bits 0 - 3 indicate the maximal number of spatial
1981  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1982  * for Tx.
1983  *
1984  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1985  *     supported for reception and the maximum number of spatial streams
1986  *     supported for transmission for MCS 0 - 7.
1987  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1988  *     supported for reception and the maximum number of spatial streams
1989  *     supported for transmission for MCS 8 - 9.
1990  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
1991  *     supported for reception and the maximum number of spatial streams
1992  *     supported for transmission for MCS 10 - 11.
1993  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
1994  *     supported for reception and the maximum number of spatial streams
1995  *     supported for transmission for MCS 12 - 13.
1996  */
1997 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
1998         u8 rx_tx_mcs7_max_nss;
1999         u8 rx_tx_mcs9_max_nss;
2000         u8 rx_tx_mcs11_max_nss;
2001         u8 rx_tx_mcs13_max_nss;
2002 };
2003
2004 /**
2005  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2006  * 20MHz only stations).
2007  *
2008  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2009  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2010  * for Tx.
2011  *
2012  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2013  *     supported for reception and the maximum number of spatial streams
2014  *     supported for transmission for MCS 0 - 9.
2015  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2016  *     supported for reception and the maximum number of spatial streams
2017  *     supported for transmission for MCS 10 - 11.
2018  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2019  *     supported for reception and the maximum number of spatial streams
2020  *     supported for transmission for MCS 12 - 13.
2021  */
2022 struct ieee80211_eht_mcs_nss_supp_bw {
2023         u8 rx_tx_mcs9_max_nss;
2024         u8 rx_tx_mcs11_max_nss;
2025         u8 rx_tx_mcs13_max_nss;
2026 };
2027
2028 /**
2029  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2030  *
2031  * This structure is the "EHT Capabilities element" fixed fields as
2032  * described in P802.11be_D2.0 section 9.4.2.313.
2033  *
2034  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2035  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2036  */
2037 struct ieee80211_eht_cap_elem_fixed {
2038         u8 mac_cap_info[2];
2039         u8 phy_cap_info[9];
2040 } __packed;
2041
2042 /**
2043  * struct ieee80211_eht_cap_elem - EHT capabilities element
2044  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2045  * @optional: optional parts
2046  */
2047 struct ieee80211_eht_cap_elem {
2048         struct ieee80211_eht_cap_elem_fixed fixed;
2049
2050         /*
2051          * Followed by:
2052          * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2053          * EHT PPE Thresholds field: variable length.
2054          */
2055         u8 optional[];
2056 } __packed;
2057
2058 #define IEEE80211_EHT_OPER_INFO_PRESENT                         0x01
2059 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT   0x02
2060 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION                  0x04
2061 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2062 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2063
2064 /**
2065  * struct ieee80211_eht_operation - eht operation element
2066  *
2067  * This structure is the "EHT Operation Element" fields as
2068  * described in P802.11be_D2.0 section 9.4.2.311
2069  *
2070  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2071  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2072  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2073  *     receive.
2074  * @optional: optional parts
2075  */
2076 struct ieee80211_eht_operation {
2077         u8 params;
2078         __le32 basic_mcs_nss;
2079         u8 optional[];
2080 } __packed;
2081
2082 /**
2083  * struct ieee80211_eht_operation_info - eht operation information
2084  *
2085  * @control: EHT operation information control.
2086  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2087  *     EHT BSS.
2088  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2089  * @optional: optional parts
2090  */
2091 struct ieee80211_eht_operation_info {
2092         u8 control;
2093         u8 ccfs0;
2094         u8 ccfs1;
2095         u8 optional[];
2096 } __packed;
2097
2098 /* 802.11ac VHT Capabilities */
2099 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
2100 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
2101 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
2102 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
2103 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
2104 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
2105 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
2106 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
2107 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
2108 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
2109 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
2110 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
2111 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
2112 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
2113 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
2114 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
2115 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
2116 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
2117 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
2118 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
2119 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2120 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
2121                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2122 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
2123 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
2124                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2125 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
2126 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
2127 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
2128 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
2129 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
2130 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
2131                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2132 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
2133 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
2134 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
2135 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
2136 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
2137 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
2138
2139 /**
2140  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2141  * @cap: VHT capabilities of the peer
2142  * @bw: bandwidth to use
2143  * @mcs: MCS index to use
2144  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2145  *      (rate scaling algorithm) can deal with the new logic
2146  *      (dot11VHTExtendedNSSBWCapable)
2147  * @max_vht_nss: current maximum NSS as advertised by the STA in
2148  *      operating mode notification, can be 0 in which case the
2149  *      capability data will be used to derive this (from MCS support)
2150  *
2151  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2152  * vary for a given BW/MCS. This function parses the data.
2153  *
2154  * Note: This function is exported by cfg80211.
2155  */
2156 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2157                               enum ieee80211_vht_chanwidth bw,
2158                               int mcs, bool ext_nss_bw_capable,
2159                               unsigned int max_vht_nss);
2160
2161 /**
2162  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2163  *
2164  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2165  * @IEEE80211_REG_LPI: Indoor Access Point
2166  * @IEEE80211_REG_SP: Standard power Access Point
2167  * @IEEE80211_REG_VLP: Very low power Access Point
2168  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2169  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2170  */
2171 enum ieee80211_ap_reg_power {
2172         IEEE80211_REG_UNSET_AP,
2173         IEEE80211_REG_LPI_AP,
2174         IEEE80211_REG_SP_AP,
2175         IEEE80211_REG_VLP_AP,
2176         IEEE80211_REG_AP_POWER_AFTER_LAST,
2177         IEEE80211_REG_AP_POWER_MAX =
2178                 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2179 };
2180
2181 /**
2182  * enum ieee80211_client_reg_power - regulatory power for a client
2183  *
2184  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2185  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2186  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2187  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2188  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2189  */
2190 enum ieee80211_client_reg_power {
2191         IEEE80211_REG_UNSET_CLIENT,
2192         IEEE80211_REG_DEFAULT_CLIENT,
2193         IEEE80211_REG_SUBORDINATE_CLIENT,
2194         IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2195         IEEE80211_REG_CLIENT_POWER_MAX =
2196                 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2197 };
2198
2199 /* 802.11ax HE MAC capabilities */
2200 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
2201 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
2202 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
2203 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
2204 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
2205 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
2206 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
2207 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
2208 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
2209 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
2210 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
2211 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
2212 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
2213 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
2214 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
2215 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
2216 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
2217
2218 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
2219 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
2220 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
2221 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
2222 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
2223 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
2224 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
2225 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
2226 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
2227 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
2228 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
2229 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
2230 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
2231 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
2232 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
2233 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
2234 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
2235 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
2236
2237 /* Link adaptation is split between byte HE_MAC_CAP1 and
2238  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2239  * in which case the following values apply:
2240  * 0 = No feedback.
2241  * 1 = reserved.
2242  * 2 = Unsolicited feedback.
2243  * 3 = both
2244  */
2245 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
2246
2247 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
2248 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
2249 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
2250 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
2251 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
2252 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
2253 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2254 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2255
2256 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2257 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2258
2259 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2260  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2261  * same field in the HE capabilities.
2262  */
2263 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0           0x00
2264 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1           0x08
2265 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2           0x10
2266 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3           0x18
2267 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2268 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2269 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2270 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2271
2272 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2273 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2274 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2275 #define IEEE80211_HE_MAC_CAP4_PSR_RESP                          0x08
2276 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2277 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2278 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU                    0x40
2279 /* Multi TID agg TX is split between byte #4 and #5
2280  * The value is a combination of B39,B40,B41
2281  */
2282 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2283
2284 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2285 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2286 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION    0x04
2287 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2288 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2289 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2290 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2291 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2292
2293 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2294 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2295 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR      13
2296
2297 /* 802.11ax HE PHY capabilities */
2298 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2299 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2300 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2301 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2302 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL                0x1e
2303
2304 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2305 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2306 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2307
2308 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2309 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2310 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2311 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2312 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2313 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2314 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2315 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2316 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2317 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2318
2319 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2320 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2321 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2322 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2323 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2324 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2325
2326 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2327  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2328  * case it indicates support for Tx.
2329  */
2330 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2331 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2332
2333 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2334 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2335 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2336 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2337 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2338 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2339 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2340 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2341 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2342 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2343 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2344 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2345 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2346 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2347 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU              0x40
2348 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2349
2350 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2351 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2352
2353 /* Minimal allowed value of Max STS under 80MHz is 3 */
2354 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2355 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2356 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2357 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2358 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2359 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2360
2361 /* Minimal allowed value of Max STS above 80MHz is 3 */
2362 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2363 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2364 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2365 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2366 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2367 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2368
2369 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2370 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2371 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2372 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2373 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2374 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2375 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2376 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2377 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2378
2379 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2380 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2381 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2382 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2388
2389 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2390 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2391
2392 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2393 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2394 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB                    0x04
2395 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB         0x08
2396 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2397 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2398 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2399 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2400
2401 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR                              0x01
2402 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP                   0x02
2403 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2404 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2405 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2406 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2407 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2408 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2409 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2410 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2411 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2412 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2413 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2414
2415 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2416 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2417 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2418 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2419 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2420 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2421 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2422 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2423 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2424 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2425 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2426
2427 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2428 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2429 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2430 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2431 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2432 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2433 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US                   0x0
2434 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US                   0x1
2435 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US                  0x2
2436 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED              0x3
2437 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS                   6
2438 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK                  0xc0
2439
2440 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF                       0x01
2441
2442 /* 802.11ax HE TX/RX MCS NSS Support  */
2443 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2444 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2445 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2446 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2447 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2448
2449 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2450 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2451         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2452         HIGHEST_MCS_SUPPORTED_MCS8,
2453         HIGHEST_MCS_SUPPORTED_MCS9,
2454         HIGHEST_MCS_SUPPORTED_MCS10,
2455         HIGHEST_MCS_SUPPORTED_MCS11,
2456 };
2457
2458 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2459 static inline u8
2460 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2461 {
2462         u8 count = 4;
2463
2464         if (he_cap->phy_cap_info[0] &
2465             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2466                 count += 4;
2467
2468         if (he_cap->phy_cap_info[0] &
2469             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2470                 count += 4;
2471
2472         return count;
2473 }
2474
2475 /* 802.11ax HE PPE Thresholds */
2476 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2477 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2478 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2479 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2480         (BIT(5) | BIT(6))
2481 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2482 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2483 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2484 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE                 (7)
2485
2486 /*
2487  * Calculate 802.11ax HE capabilities IE PPE field size
2488  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2489  */
2490 static inline u8
2491 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2492 {
2493         u8 n;
2494
2495         if ((phy_cap_info[6] &
2496              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2497                 return 0;
2498
2499         n = hweight8(ppe_thres_hdr &
2500                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2501         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2502                    IEEE80211_PPE_THRES_NSS_POS));
2503
2504         /*
2505          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2506          * total size.
2507          */
2508         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2509         n = DIV_ROUND_UP(n, 8);
2510
2511         return n;
2512 }
2513
2514 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2515 {
2516         const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2517         u8 needed = sizeof(*he_cap_ie_elem);
2518
2519         if (len < needed)
2520                 return false;
2521
2522         needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2523         if (len < needed)
2524                 return false;
2525
2526         if (he_cap_ie_elem->phy_cap_info[6] &
2527                         IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2528                 if (len < needed + 1)
2529                         return false;
2530                 needed += ieee80211_he_ppe_size(data[needed],
2531                                                 he_cap_ie_elem->phy_cap_info);
2532         }
2533
2534         return len >= needed;
2535 }
2536
2537 /* HE Operation defines */
2538 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2539 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2540 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2541 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2542 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2543 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2544 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2545 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2546 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2547 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2548 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2549 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2550
2551 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP  0
2552 #define IEEE80211_6GHZ_CTRL_REG_SP_AP   1
2553
2554 /**
2555  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2556  * @primary: primary channel
2557  * @control: control flags
2558  * @ccfs0: channel center frequency segment 0
2559  * @ccfs1: channel center frequency segment 1
2560  * @minrate: minimum rate (in 1 Mbps units)
2561  */
2562 struct ieee80211_he_6ghz_oper {
2563         u8 primary;
2564 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2565 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2566 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2567 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2568 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2569 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2570 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO    0x38
2571         u8 control;
2572         u8 ccfs0;
2573         u8 ccfs1;
2574         u8 minrate;
2575 } __packed;
2576
2577 /*
2578  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2579  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2580  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2581  * Info subfield encoding in the United States".
2582  * So it it totally max 8 Transmit Power Envelope element.
2583  */
2584 #define IEEE80211_TPE_MAX_IE_COUNT      8
2585 /*
2586  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2587  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2588  */
2589 #define IEEE80211_MAX_NUM_PWR_LEVEL     8
2590
2591 #define IEEE80211_TPE_MAX_POWER_COUNT   8
2592
2593 /* transmit power interpretation type of transmit power envelope element */
2594 enum ieee80211_tx_power_intrpt_type {
2595         IEEE80211_TPE_LOCAL_EIRP,
2596         IEEE80211_TPE_LOCAL_EIRP_PSD,
2597         IEEE80211_TPE_REG_CLIENT_EIRP,
2598         IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2599 };
2600
2601 /**
2602  * struct ieee80211_tx_pwr_env
2603  *
2604  * This structure represents the "Transmit Power Envelope element"
2605  */
2606 struct ieee80211_tx_pwr_env {
2607         u8 tx_power_info;
2608         s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2609 } __packed;
2610
2611 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2612 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2613 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2614
2615 /*
2616  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2617  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2618  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2619  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2620  *      validated this.
2621  * @return the actual size of the IE data (not including header), or 0 on error
2622  */
2623 static inline u8
2624 ieee80211_he_oper_size(const u8 *he_oper_ie)
2625 {
2626         const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2627         u8 oper_len = sizeof(struct ieee80211_he_operation);
2628         u32 he_oper_params;
2629
2630         /* Make sure the input is not NULL */
2631         if (!he_oper_ie)
2632                 return 0;
2633
2634         /* Calc required length */
2635         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2636         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2637                 oper_len += 3;
2638         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2639                 oper_len++;
2640         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2641                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2642
2643         /* Add the first byte (extension ID) to the total length */
2644         oper_len++;
2645
2646         return oper_len;
2647 }
2648
2649 /**
2650  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2651  * @he_oper: HE operation element (must be pre-validated for size)
2652  *      but may be %NULL
2653  *
2654  * Return: a pointer to the 6 GHz operation field, or %NULL
2655  */
2656 static inline const struct ieee80211_he_6ghz_oper *
2657 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2658 {
2659         const u8 *ret = (const void *)&he_oper->optional;
2660         u32 he_oper_params;
2661
2662         if (!he_oper)
2663                 return NULL;
2664
2665         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2666
2667         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2668                 return NULL;
2669         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2670                 ret += 3;
2671         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2672                 ret++;
2673
2674         return (const void *)ret;
2675 }
2676
2677 /* HE Spatial Reuse defines */
2678 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2679 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2680 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2681 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2682 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2683
2684 /*
2685  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2686  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2687  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2688  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2689  *      this
2690  * @return the actual size of the IE data (not including header), or 0 on error
2691  */
2692 static inline u8
2693 ieee80211_he_spr_size(const u8 *he_spr_ie)
2694 {
2695         const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2696         u8 spr_len = sizeof(struct ieee80211_he_spr);
2697         u8 he_spr_params;
2698
2699         /* Make sure the input is not NULL */
2700         if (!he_spr_ie)
2701                 return 0;
2702
2703         /* Calc required length */
2704         he_spr_params = he_spr->he_sr_control;
2705         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2706                 spr_len++;
2707         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2708                 spr_len += 18;
2709
2710         /* Add the first byte (extension ID) to the total length */
2711         spr_len++;
2712
2713         return spr_len;
2714 }
2715
2716 /* S1G Capabilities Information field */
2717 #define IEEE80211_S1G_CAPABILITY_LEN    15
2718
2719 #define S1G_CAP0_S1G_LONG       BIT(0)
2720 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2721 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2722 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2723 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2724 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2725 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2726
2727 #define S1G_SUPP_CH_WIDTH_2     0
2728 #define S1G_SUPP_CH_WIDTH_4     1
2729 #define S1G_SUPP_CH_WIDTH_8     2
2730 #define S1G_SUPP_CH_WIDTH_16    3
2731 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2732                                                     cap[0])) << 1)
2733
2734 #define S1G_CAP1_RX_LDPC        BIT(0)
2735 #define S1G_CAP1_TX_STBC        BIT(1)
2736 #define S1G_CAP1_RX_STBC        BIT(2)
2737 #define S1G_CAP1_SU_BFER        BIT(3)
2738 #define S1G_CAP1_SU_BFEE        BIT(4)
2739 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2740
2741 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2742 #define S1G_CAP2_MU_BFER                BIT(3)
2743 #define S1G_CAP2_MU_BFEE                BIT(4)
2744 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2745 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2746
2747 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2748 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2749 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2750 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2751 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2752
2753 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2754 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2755 #define S1G_CAP4_BAT            BIT(2)
2756 #define S1G_CAP4_TIME_ADE       BIT(3)
2757 #define S1G_CAP4_NON_TIM        BIT(4)
2758 #define S1G_CAP4_GROUP_AID      BIT(5)
2759 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2760
2761 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2762 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2763 #define S1G_CAP5_AMSDU                  BIT(2)
2764 #define S1G_CAP5_AMPDU                  BIT(3)
2765 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2766 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2767 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2768
2769 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2770 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2771 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2772 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2773 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2774 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2775 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2776
2777 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2778 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2779 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2780 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2781 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2782 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2783 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2784 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2785
2786 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2787 #define S1G_CAP8_BDT            BIT(1)
2788 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2789 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2790 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2791 #define S1G_CAP8_PV1_FRAME      BIT(7)
2792
2793 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2794
2795 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2796 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2797
2798 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2799 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS                 0x01
2800 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL                       0x02
2801 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1          0x04
2802 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2          0x08
2803 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT                   0x10
2804 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC                 0x20
2805 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK                0xc0
2806 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895                0
2807 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991                1
2808 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454               2
2809
2810 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK               0x01
2811
2812 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2813 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ                   0x02
2814 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ              0x04
2815 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI              0x08
2816 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO            0x10
2817 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER                    0x20
2818 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE                    0x40
2819
2820 /* EHT beamformee number of spatial streams <= 80MHz is split */
2821 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK         0x80
2822 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK         0x03
2823
2824 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK        0x1c
2825 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK        0xe0
2826
2827 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK          0x07
2828 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK         0x38
2829
2830 /* EHT number of sounding dimensions for 320MHz is split */
2831 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK         0xc0
2832 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK         0x01
2833 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK                0x02
2834 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK                0x04
2835 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK             0x08
2836 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK             0x10
2837 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK                  0x20
2838 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK          0x40
2839 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK                    0x80
2840
2841 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO               0x01
2842 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP                      0x02
2843 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP            0x04
2844 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI      0x08
2845 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK                      0xf0
2846
2847 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK            0x01
2848 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP         0x02
2849 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP         0x04
2850 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT            0x08
2851 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK      0x30
2852 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US     0
2853 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US     1
2854 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US    2
2855 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US    3
2856
2857 /* Maximum number of supported EHT LTF is split */
2858 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK        0xc0
2859 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK        0x07
2860
2861 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK                  0x78
2862 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP                0x80
2863
2864 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW        0x01
2865 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ       0x02
2866 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ      0x04
2867 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ      0x08
2868 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ              0x10
2869 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ             0x20
2870 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ             0x40
2871 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT      0x80
2872
2873 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA     0x01
2874 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA     0x02
2875
2876 /*
2877  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2878  */
2879 #define IEEE80211_EHT_OPER_CHAN_WIDTH           0x7
2880 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ     0
2881 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ     1
2882 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ     2
2883 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ    3
2884 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ    4
2885
2886 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2887 static inline u8
2888 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2889                            const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2890                            bool from_ap)
2891 {
2892         u8 count = 0;
2893
2894         /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2895         if (he_cap->phy_cap_info[0] &
2896             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2897                 return 3;
2898
2899         /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2900         if (he_cap->phy_cap_info[0] &
2901             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2902                 count += 3;
2903
2904         if (he_cap->phy_cap_info[0] &
2905             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2906                 count += 3;
2907
2908         if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2909                 count += 3;
2910
2911         if (count)
2912                 return count;
2913
2914         return from_ap ? 3 : 4;
2915 }
2916
2917 /* 802.11be EHT PPE Thresholds */
2918 #define IEEE80211_EHT_PPE_THRES_NSS_POS                 0
2919 #define IEEE80211_EHT_PPE_THRES_NSS_MASK                0xf
2920 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK   0x1f0
2921 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE          3
2922 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE        9
2923
2924 /*
2925  * Calculate 802.11be EHT capabilities IE EHT field size
2926  */
2927 static inline u8
2928 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2929 {
2930         u32 n;
2931
2932         if (!(phy_cap_info[5] &
2933               IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2934                 return 0;
2935
2936         n = hweight16(ppe_thres_hdr &
2937                       IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2938         n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2939
2940         /*
2941          * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2942          * total size.
2943          */
2944         n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2945             IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2946         return DIV_ROUND_UP(n, 8);
2947 }
2948
2949 static inline bool
2950 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2951                            bool from_ap)
2952 {
2953         const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2954         u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2955
2956         if (len < needed || !he_capa)
2957                 return false;
2958
2959         needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2960                                              (const void *)data,
2961                                              from_ap);
2962         if (len < needed)
2963                 return false;
2964
2965         if (elem->phy_cap_info[5] &
2966                         IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2967                 u16 ppe_thres_hdr;
2968
2969                 if (len < needed + sizeof(ppe_thres_hdr))
2970                         return false;
2971
2972                 ppe_thres_hdr = get_unaligned_le16(data + needed);
2973                 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2974                                                  elem->phy_cap_info);
2975         }
2976
2977         return len >= needed;
2978 }
2979
2980 static inline bool
2981 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2982 {
2983         const struct ieee80211_eht_operation *elem = (const void *)data;
2984         u8 needed = sizeof(*elem);
2985
2986         if (len < needed)
2987                 return false;
2988
2989         if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
2990                 needed += 3;
2991
2992                 if (elem->params &
2993                     IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
2994                         needed += 2;
2995         }
2996
2997         return len >= needed;
2998 }
2999
3000 #define LISTEN_INT_USF  GENMASK(15, 14)
3001 #define LISTEN_INT_UI   GENMASK(13, 0)
3002
3003 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
3004 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
3005
3006 /* Authentication algorithms */
3007 #define WLAN_AUTH_OPEN 0
3008 #define WLAN_AUTH_SHARED_KEY 1
3009 #define WLAN_AUTH_FT 2
3010 #define WLAN_AUTH_SAE 3
3011 #define WLAN_AUTH_FILS_SK 4
3012 #define WLAN_AUTH_FILS_SK_PFS 5
3013 #define WLAN_AUTH_FILS_PK 6
3014 #define WLAN_AUTH_LEAP 128
3015
3016 #define WLAN_AUTH_CHALLENGE_LEN 128
3017
3018 #define WLAN_CAPABILITY_ESS             (1<<0)
3019 #define WLAN_CAPABILITY_IBSS            (1<<1)
3020
3021 /*
3022  * A mesh STA sets the ESS and IBSS capability bits to zero.
3023  * however, this holds true for p2p probe responses (in the p2p_find
3024  * phase) as well.
3025  */
3026 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3027         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3028
3029 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
3030 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3031 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
3032 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
3033 #define WLAN_CAPABILITY_PBCC            (1<<6)
3034 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3035
3036 /* 802.11h */
3037 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
3038 #define WLAN_CAPABILITY_QOS             (1<<9)
3039 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3040 #define WLAN_CAPABILITY_APSD            (1<<11)
3041 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
3042 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
3043 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
3044 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
3045
3046 /* DMG (60gHz) 802.11ad */
3047 /* type - bits 0..1 */
3048 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
3049 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
3050 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
3051 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
3052
3053 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
3054 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
3055 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
3056 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
3057
3058 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
3059 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
3060
3061 /* measurement */
3062 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
3063 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
3064 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
3065
3066 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
3067 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
3068 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
3069 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
3070 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
3071
3072 /* 802.11g ERP information element */
3073 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3074 #define WLAN_ERP_USE_PROTECTION (1<<1)
3075 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3076
3077 /* WLAN_ERP_BARKER_PREAMBLE values */
3078 enum {
3079         WLAN_ERP_PREAMBLE_SHORT = 0,
3080         WLAN_ERP_PREAMBLE_LONG = 1,
3081 };
3082
3083 /* Band ID, 802.11ad #8.4.1.45 */
3084 enum {
3085         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3086         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3087         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3088         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3089         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3090         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3091 };
3092
3093 /* Status codes */
3094 enum ieee80211_statuscode {
3095         WLAN_STATUS_SUCCESS = 0,
3096         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3097         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3098         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3099         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3100         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3101         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3102         WLAN_STATUS_CHALLENGE_FAIL = 15,
3103         WLAN_STATUS_AUTH_TIMEOUT = 16,
3104         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3105         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3106         /* 802.11b */
3107         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3108         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3109         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3110         /* 802.11h */
3111         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3112         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3113         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3114         /* 802.11g */
3115         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3116         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3117         /* 802.11w */
3118         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3119         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3120         /* 802.11i */
3121         WLAN_STATUS_INVALID_IE = 40,
3122         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3123         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3124         WLAN_STATUS_INVALID_AKMP = 43,
3125         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3126         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3127         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3128         /* 802.11e */
3129         WLAN_STATUS_UNSPECIFIED_QOS = 32,
3130         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3131         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3132         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3133         WLAN_STATUS_REQUEST_DECLINED = 37,
3134         WLAN_STATUS_INVALID_QOS_PARAM = 38,
3135         WLAN_STATUS_CHANGE_TSPEC = 39,
3136         WLAN_STATUS_WAIT_TS_DELAY = 47,
3137         WLAN_STATUS_NO_DIRECT_LINK = 48,
3138         WLAN_STATUS_STA_NOT_PRESENT = 49,
3139         WLAN_STATUS_STA_NOT_QSTA = 50,
3140         /* 802.11s */
3141         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3142         WLAN_STATUS_FCG_NOT_SUPP = 78,
3143         WLAN_STATUS_STA_NO_TBTT = 78,
3144         /* 802.11ad */
3145         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3146         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3147         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3148         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3149         WLAN_STATUS_PERFORMING_FST_NOW = 87,
3150         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3151         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3152         WLAN_STATUS_REJECT_DSE_BAND = 96,
3153         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3154         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3155         /* 802.11ai */
3156         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3157         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3158         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3159         WLAN_STATUS_SAE_PK = 127,
3160 };
3161
3162
3163 /* Reason codes */
3164 enum ieee80211_reasoncode {
3165         WLAN_REASON_UNSPECIFIED = 1,
3166         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3167         WLAN_REASON_DEAUTH_LEAVING = 3,
3168         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3169         WLAN_REASON_DISASSOC_AP_BUSY = 5,
3170         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3171         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3172         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3173         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3174         /* 802.11h */
3175         WLAN_REASON_DISASSOC_BAD_POWER = 10,
3176         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3177         /* 802.11i */
3178         WLAN_REASON_INVALID_IE = 13,
3179         WLAN_REASON_MIC_FAILURE = 14,
3180         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3181         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3182         WLAN_REASON_IE_DIFFERENT = 17,
3183         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3184         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3185         WLAN_REASON_INVALID_AKMP = 20,
3186         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3187         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3188         WLAN_REASON_IEEE8021X_FAILED = 23,
3189         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3190         /* TDLS (802.11z) */
3191         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3192         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3193         /* 802.11e */
3194         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3195         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3196         WLAN_REASON_DISASSOC_LOW_ACK = 34,
3197         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3198         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3199         WLAN_REASON_QSTA_NOT_USE = 37,
3200         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3201         WLAN_REASON_QSTA_TIMEOUT = 39,
3202         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3203         /* 802.11s */
3204         WLAN_REASON_MESH_PEER_CANCELED = 52,
3205         WLAN_REASON_MESH_MAX_PEERS = 53,
3206         WLAN_REASON_MESH_CONFIG = 54,
3207         WLAN_REASON_MESH_CLOSE = 55,
3208         WLAN_REASON_MESH_MAX_RETRIES = 56,
3209         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3210         WLAN_REASON_MESH_INVALID_GTK = 58,
3211         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3212         WLAN_REASON_MESH_INVALID_SECURITY = 60,
3213         WLAN_REASON_MESH_PATH_ERROR = 61,
3214         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3215         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3216         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3217         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3218         WLAN_REASON_MESH_CHAN = 66,
3219 };
3220
3221
3222 /* Information Element IDs */
3223 enum ieee80211_eid {
3224         WLAN_EID_SSID = 0,
3225         WLAN_EID_SUPP_RATES = 1,
3226         WLAN_EID_FH_PARAMS = 2, /* reserved now */
3227         WLAN_EID_DS_PARAMS = 3,
3228         WLAN_EID_CF_PARAMS = 4,
3229         WLAN_EID_TIM = 5,
3230         WLAN_EID_IBSS_PARAMS = 6,
3231         WLAN_EID_COUNTRY = 7,
3232         /* 8, 9 reserved */
3233         WLAN_EID_REQUEST = 10,
3234         WLAN_EID_QBSS_LOAD = 11,
3235         WLAN_EID_EDCA_PARAM_SET = 12,
3236         WLAN_EID_TSPEC = 13,
3237         WLAN_EID_TCLAS = 14,
3238         WLAN_EID_SCHEDULE = 15,
3239         WLAN_EID_CHALLENGE = 16,
3240         /* 17-31 reserved for challenge text extension */
3241         WLAN_EID_PWR_CONSTRAINT = 32,
3242         WLAN_EID_PWR_CAPABILITY = 33,
3243         WLAN_EID_TPC_REQUEST = 34,
3244         WLAN_EID_TPC_REPORT = 35,
3245         WLAN_EID_SUPPORTED_CHANNELS = 36,
3246         WLAN_EID_CHANNEL_SWITCH = 37,
3247         WLAN_EID_MEASURE_REQUEST = 38,
3248         WLAN_EID_MEASURE_REPORT = 39,
3249         WLAN_EID_QUIET = 40,
3250         WLAN_EID_IBSS_DFS = 41,
3251         WLAN_EID_ERP_INFO = 42,
3252         WLAN_EID_TS_DELAY = 43,
3253         WLAN_EID_TCLAS_PROCESSING = 44,
3254         WLAN_EID_HT_CAPABILITY = 45,
3255         WLAN_EID_QOS_CAPA = 46,
3256         /* 47 reserved for Broadcom */
3257         WLAN_EID_RSN = 48,
3258         WLAN_EID_802_15_COEX = 49,
3259         WLAN_EID_EXT_SUPP_RATES = 50,
3260         WLAN_EID_AP_CHAN_REPORT = 51,
3261         WLAN_EID_NEIGHBOR_REPORT = 52,
3262         WLAN_EID_RCPI = 53,
3263         WLAN_EID_MOBILITY_DOMAIN = 54,
3264         WLAN_EID_FAST_BSS_TRANSITION = 55,
3265         WLAN_EID_TIMEOUT_INTERVAL = 56,
3266         WLAN_EID_RIC_DATA = 57,
3267         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3268         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3269         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3270         WLAN_EID_HT_OPERATION = 61,
3271         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3272         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3273         WLAN_EID_ANTENNA_INFO = 64,
3274         WLAN_EID_RSNI = 65,
3275         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3276         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3277         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3278         WLAN_EID_TIME_ADVERTISEMENT = 69,
3279         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3280         WLAN_EID_MULTIPLE_BSSID = 71,
3281         WLAN_EID_BSS_COEX_2040 = 72,
3282         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3283         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3284         WLAN_EID_RIC_DESCRIPTOR = 75,
3285         WLAN_EID_MMIE = 76,
3286         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3287         WLAN_EID_EVENT_REQUEST = 78,
3288         WLAN_EID_EVENT_REPORT = 79,
3289         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3290         WLAN_EID_DIAGNOSTIC_REPORT = 81,
3291         WLAN_EID_LOCATION_PARAMS = 82,
3292         WLAN_EID_NON_TX_BSSID_CAP =  83,
3293         WLAN_EID_SSID_LIST = 84,
3294         WLAN_EID_MULTI_BSSID_IDX = 85,
3295         WLAN_EID_FMS_DESCRIPTOR = 86,
3296         WLAN_EID_FMS_REQUEST = 87,
3297         WLAN_EID_FMS_RESPONSE = 88,
3298         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3299         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3300         WLAN_EID_TSF_REQUEST = 91,
3301         WLAN_EID_TSF_RESPOSNE = 92,
3302         WLAN_EID_WNM_SLEEP_MODE = 93,
3303         WLAN_EID_TIM_BCAST_REQ = 94,
3304         WLAN_EID_TIM_BCAST_RESP = 95,
3305         WLAN_EID_COLL_IF_REPORT = 96,
3306         WLAN_EID_CHANNEL_USAGE = 97,
3307         WLAN_EID_TIME_ZONE = 98,
3308         WLAN_EID_DMS_REQUEST = 99,
3309         WLAN_EID_DMS_RESPONSE = 100,
3310         WLAN_EID_LINK_ID = 101,
3311         WLAN_EID_WAKEUP_SCHEDUL = 102,
3312         /* 103 reserved */
3313         WLAN_EID_CHAN_SWITCH_TIMING = 104,
3314         WLAN_EID_PTI_CONTROL = 105,
3315         WLAN_EID_PU_BUFFER_STATUS = 106,
3316         WLAN_EID_INTERWORKING = 107,
3317         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3318         WLAN_EID_EXPEDITED_BW_REQ = 109,
3319         WLAN_EID_QOS_MAP_SET = 110,
3320         WLAN_EID_ROAMING_CONSORTIUM = 111,
3321         WLAN_EID_EMERGENCY_ALERT = 112,
3322         WLAN_EID_MESH_CONFIG = 113,
3323         WLAN_EID_MESH_ID = 114,
3324         WLAN_EID_LINK_METRIC_REPORT = 115,
3325         WLAN_EID_CONGESTION_NOTIFICATION = 116,
3326         WLAN_EID_PEER_MGMT = 117,
3327         WLAN_EID_CHAN_SWITCH_PARAM = 118,
3328         WLAN_EID_MESH_AWAKE_WINDOW = 119,
3329         WLAN_EID_BEACON_TIMING = 120,
3330         WLAN_EID_MCCAOP_SETUP_REQ = 121,
3331         WLAN_EID_MCCAOP_SETUP_RESP = 122,
3332         WLAN_EID_MCCAOP_ADVERT = 123,
3333         WLAN_EID_MCCAOP_TEARDOWN = 124,
3334         WLAN_EID_GANN = 125,
3335         WLAN_EID_RANN = 126,
3336         WLAN_EID_EXT_CAPABILITY = 127,
3337         /* 128, 129 reserved for Agere */
3338         WLAN_EID_PREQ = 130,
3339         WLAN_EID_PREP = 131,
3340         WLAN_EID_PERR = 132,
3341         /* 133-136 reserved for Cisco */
3342         WLAN_EID_PXU = 137,
3343         WLAN_EID_PXUC = 138,
3344         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3345         WLAN_EID_MIC = 140,
3346         WLAN_EID_DESTINATION_URI = 141,
3347         WLAN_EID_UAPSD_COEX = 142,
3348         WLAN_EID_WAKEUP_SCHEDULE = 143,
3349         WLAN_EID_EXT_SCHEDULE = 144,
3350         WLAN_EID_STA_AVAILABILITY = 145,
3351         WLAN_EID_DMG_TSPEC = 146,
3352         WLAN_EID_DMG_AT = 147,
3353         WLAN_EID_DMG_CAP = 148,
3354         /* 149 reserved for Cisco */
3355         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3356         WLAN_EID_DMG_OPERATION = 151,
3357         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3358         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3359         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3360         /* 155-156 reserved for Cisco */
3361         WLAN_EID_AWAKE_WINDOW = 157,
3362         WLAN_EID_MULTI_BAND = 158,
3363         WLAN_EID_ADDBA_EXT = 159,
3364         WLAN_EID_NEXT_PCP_LIST = 160,
3365         WLAN_EID_PCP_HANDOVER = 161,
3366         WLAN_EID_DMG_LINK_MARGIN = 162,
3367         WLAN_EID_SWITCHING_STREAM = 163,
3368         WLAN_EID_SESSION_TRANSITION = 164,
3369         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3370         WLAN_EID_CLUSTER_REPORT = 166,
3371         WLAN_EID_RELAY_CAP = 167,
3372         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3373         WLAN_EID_BEAM_LINK_MAINT = 169,
3374         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3375         WLAN_EID_U_PID = 171,
3376         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3377         /* 173 reserved for Symbol */
3378         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3379         WLAN_EID_QUIET_PERIOD_REQ = 175,
3380         /* 176 reserved for Symbol */
3381         WLAN_EID_QUIET_PERIOD_RESP = 177,
3382         /* 178-179 reserved for Symbol */
3383         /* 180 reserved for ISO/IEC 20011 */
3384         WLAN_EID_EPAC_POLICY = 182,
3385         WLAN_EID_CLISTER_TIME_OFF = 183,
3386         WLAN_EID_INTER_AC_PRIO = 184,
3387         WLAN_EID_SCS_DESCRIPTOR = 185,
3388         WLAN_EID_QLOAD_REPORT = 186,
3389         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3390         WLAN_EID_HL_STREAM_ID = 188,
3391         WLAN_EID_GCR_GROUP_ADDR = 189,
3392         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3393         WLAN_EID_VHT_CAPABILITY = 191,
3394         WLAN_EID_VHT_OPERATION = 192,
3395         WLAN_EID_EXTENDED_BSS_LOAD = 193,
3396         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3397         WLAN_EID_TX_POWER_ENVELOPE = 195,
3398         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3399         WLAN_EID_AID = 197,
3400         WLAN_EID_QUIET_CHANNEL = 198,
3401         WLAN_EID_OPMODE_NOTIF = 199,
3402
3403         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3404
3405         WLAN_EID_AID_REQUEST = 210,
3406         WLAN_EID_AID_RESPONSE = 211,
3407         WLAN_EID_S1G_BCN_COMPAT = 213,
3408         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3409         WLAN_EID_S1G_TWT = 216,
3410         WLAN_EID_S1G_CAPABILITIES = 217,
3411         WLAN_EID_VENDOR_SPECIFIC = 221,
3412         WLAN_EID_QOS_PARAMETER = 222,
3413         WLAN_EID_S1G_OPERATION = 232,
3414         WLAN_EID_CAG_NUMBER = 237,
3415         WLAN_EID_AP_CSN = 239,
3416         WLAN_EID_FILS_INDICATION = 240,
3417         WLAN_EID_DILS = 241,
3418         WLAN_EID_FRAGMENT = 242,
3419         WLAN_EID_RSNX = 244,
3420         WLAN_EID_EXTENSION = 255
3421 };
3422
3423 /* Element ID Extensions for Element ID 255 */
3424 enum ieee80211_eid_ext {
3425         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3426         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3427         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3428         WLAN_EID_EXT_FILS_SESSION = 4,
3429         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3430         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3431         WLAN_EID_EXT_KEY_DELIVERY = 7,
3432         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3433         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3434         WLAN_EID_EXT_FILS_NONCE = 13,
3435         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3436         WLAN_EID_EXT_HE_CAPABILITY = 35,
3437         WLAN_EID_EXT_HE_OPERATION = 36,
3438         WLAN_EID_EXT_UORA = 37,
3439         WLAN_EID_EXT_HE_MU_EDCA = 38,
3440         WLAN_EID_EXT_HE_SPR = 39,
3441         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3442         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3443         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3444         WLAN_EID_EXT_ESS_REPORT = 45,
3445         WLAN_EID_EXT_OPS = 46,
3446         WLAN_EID_EXT_HE_BSS_LOAD = 47,
3447         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3448         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3449         WLAN_EID_EXT_NON_INHERITANCE = 56,
3450         WLAN_EID_EXT_KNOWN_BSSID = 57,
3451         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3452         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3453         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3454         WLAN_EID_EXT_EHT_OPERATION = 106,
3455         WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3456         WLAN_EID_EXT_EHT_CAPABILITY = 108,
3457 };
3458
3459 /* Action category code */
3460 enum ieee80211_category {
3461         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3462         WLAN_CATEGORY_QOS = 1,
3463         WLAN_CATEGORY_DLS = 2,
3464         WLAN_CATEGORY_BACK = 3,
3465         WLAN_CATEGORY_PUBLIC = 4,
3466         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3467         WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3468         WLAN_CATEGORY_HT = 7,
3469         WLAN_CATEGORY_SA_QUERY = 8,
3470         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3471         WLAN_CATEGORY_WNM = 10,
3472         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3473         WLAN_CATEGORY_TDLS = 12,
3474         WLAN_CATEGORY_MESH_ACTION = 13,
3475         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3476         WLAN_CATEGORY_SELF_PROTECTED = 15,
3477         WLAN_CATEGORY_DMG = 16,
3478         WLAN_CATEGORY_WMM = 17,
3479         WLAN_CATEGORY_FST = 18,
3480         WLAN_CATEGORY_UNPROT_DMG = 20,
3481         WLAN_CATEGORY_VHT = 21,
3482         WLAN_CATEGORY_S1G = 22,
3483         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3484         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3485 };
3486
3487 /* SPECTRUM_MGMT action code */
3488 enum ieee80211_spectrum_mgmt_actioncode {
3489         WLAN_ACTION_SPCT_MSR_REQ = 0,
3490         WLAN_ACTION_SPCT_MSR_RPRT = 1,
3491         WLAN_ACTION_SPCT_TPC_REQ = 2,
3492         WLAN_ACTION_SPCT_TPC_RPRT = 3,
3493         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3494 };
3495
3496 /* HT action codes */
3497 enum ieee80211_ht_actioncode {
3498         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3499         WLAN_HT_ACTION_SMPS = 1,
3500         WLAN_HT_ACTION_PSMP = 2,
3501         WLAN_HT_ACTION_PCO_PHASE = 3,
3502         WLAN_HT_ACTION_CSI = 4,
3503         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3504         WLAN_HT_ACTION_COMPRESSED_BF = 6,
3505         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3506 };
3507
3508 /* VHT action codes */
3509 enum ieee80211_vht_actioncode {
3510         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3511         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3512         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3513 };
3514
3515 /* Self Protected Action codes */
3516 enum ieee80211_self_protected_actioncode {
3517         WLAN_SP_RESERVED = 0,
3518         WLAN_SP_MESH_PEERING_OPEN = 1,
3519         WLAN_SP_MESH_PEERING_CONFIRM = 2,
3520         WLAN_SP_MESH_PEERING_CLOSE = 3,
3521         WLAN_SP_MGK_INFORM = 4,
3522         WLAN_SP_MGK_ACK = 5,
3523 };
3524
3525 /* Mesh action codes */
3526 enum ieee80211_mesh_actioncode {
3527         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3528         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3529         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3530         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3531         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3532         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3533         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3534         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3535         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3536         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3537         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3538 };
3539
3540 /* Unprotected WNM action codes */
3541 enum ieee80211_unprotected_wnm_actioncode {
3542         WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3543         WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3544 };
3545
3546 /* Security key length */
3547 enum ieee80211_key_len {
3548         WLAN_KEY_LEN_WEP40 = 5,
3549         WLAN_KEY_LEN_WEP104 = 13,
3550         WLAN_KEY_LEN_CCMP = 16,
3551         WLAN_KEY_LEN_CCMP_256 = 32,
3552         WLAN_KEY_LEN_TKIP = 32,
3553         WLAN_KEY_LEN_AES_CMAC = 16,
3554         WLAN_KEY_LEN_SMS4 = 32,
3555         WLAN_KEY_LEN_GCMP = 16,
3556         WLAN_KEY_LEN_GCMP_256 = 32,
3557         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3558         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3559         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3560 };
3561
3562 enum ieee80211_s1g_actioncode {
3563         WLAN_S1G_AID_SWITCH_REQUEST,
3564         WLAN_S1G_AID_SWITCH_RESPONSE,
3565         WLAN_S1G_SYNC_CONTROL,
3566         WLAN_S1G_STA_INFO_ANNOUNCE,
3567         WLAN_S1G_EDCA_PARAM_SET,
3568         WLAN_S1G_EL_OPERATION,
3569         WLAN_S1G_TWT_SETUP,
3570         WLAN_S1G_TWT_TEARDOWN,
3571         WLAN_S1G_SECT_GROUP_ID_LIST,
3572         WLAN_S1G_SECT_ID_FEEDBACK,
3573         WLAN_S1G_TWT_INFORMATION = 11,
3574 };
3575
3576 #define IEEE80211_WEP_IV_LEN            4
3577 #define IEEE80211_WEP_ICV_LEN           4
3578 #define IEEE80211_CCMP_HDR_LEN          8
3579 #define IEEE80211_CCMP_MIC_LEN          8
3580 #define IEEE80211_CCMP_PN_LEN           6
3581 #define IEEE80211_CCMP_256_HDR_LEN      8
3582 #define IEEE80211_CCMP_256_MIC_LEN      16
3583 #define IEEE80211_CCMP_256_PN_LEN       6
3584 #define IEEE80211_TKIP_IV_LEN           8
3585 #define IEEE80211_TKIP_ICV_LEN          4
3586 #define IEEE80211_CMAC_PN_LEN           6
3587 #define IEEE80211_GMAC_PN_LEN           6
3588 #define IEEE80211_GCMP_HDR_LEN          8
3589 #define IEEE80211_GCMP_MIC_LEN          16
3590 #define IEEE80211_GCMP_PN_LEN           6
3591
3592 #define FILS_NONCE_LEN                  16
3593 #define FILS_MAX_KEK_LEN                64
3594
3595 #define FILS_ERP_MAX_USERNAME_LEN       16
3596 #define FILS_ERP_MAX_REALM_LEN          253
3597 #define FILS_ERP_MAX_RRK_LEN            64
3598
3599 #define PMK_MAX_LEN                     64
3600 #define SAE_PASSWORD_MAX_LEN            128
3601
3602 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3603 enum ieee80211_pub_actioncode {
3604         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3605         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3606         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3607         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3608         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3609         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3610         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3611         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3612         WLAN_PUB_ACTION_DSE_PC = 8,
3613         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3614         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3615         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3616         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3617         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3618         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3619         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3620         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3621         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3622         WLAN_PUB_ACTION_QMF_POLICY = 18,
3623         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3624         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3625         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3626         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3627         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3628         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3629         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3630         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3631         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3632         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3633         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3634         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3635         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3636         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3637         WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3638         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3639 };
3640
3641 /* TDLS action codes */
3642 enum ieee80211_tdls_actioncode {
3643         WLAN_TDLS_SETUP_REQUEST = 0,
3644         WLAN_TDLS_SETUP_RESPONSE = 1,
3645         WLAN_TDLS_SETUP_CONFIRM = 2,
3646         WLAN_TDLS_TEARDOWN = 3,
3647         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3648         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3649         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3650         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3651         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3652         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3653         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3654 };
3655
3656 /* Extended Channel Switching capability to be set in the 1st byte of
3657  * the @WLAN_EID_EXT_CAPABILITY information element
3658  */
3659 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3660
3661 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3662  * @WLAN_EID_EXT_CAPABILITY information element
3663  */
3664 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3665
3666 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3667  * of the @WLAN_EID_EXT_CAPABILITY information element
3668  */
3669 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT       BIT(7)
3670
3671 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3672 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3673 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3674 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3675
3676 /* Interworking capabilities are set in 7th bit of 4th byte of the
3677  * @WLAN_EID_EXT_CAPABILITY information element
3678  */
3679 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3680
3681 /*
3682  * TDLS capabililites to be enabled in the 5th byte of the
3683  * @WLAN_EID_EXT_CAPABILITY information element
3684  */
3685 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3686 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3687 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3688
3689 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3690 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3691
3692 /* Defines the maximal number of MSDUs in an A-MSDU. */
3693 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3694 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3695
3696 /*
3697  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3698  * information element
3699  */
3700 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3701
3702 /* Defines support for TWT Requester and TWT Responder */
3703 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3704 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3705
3706 /*
3707  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3708  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3709  * 26-tone RU UL OFDMA transmissions as radar pulses).
3710  */
3711 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3712
3713 /* Defines support for enhanced multi-bssid advertisement*/
3714 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3715
3716 /* TDLS specific payload type in the LLC/SNAP header */
3717 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3718
3719 /* BSS Coex IE information field bits */
3720 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3721
3722 /**
3723  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3724  *
3725  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3726  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3727  *      that will be specified in a vendor specific information element
3728  */
3729 enum ieee80211_mesh_sync_method {
3730         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3731         IEEE80211_SYNC_METHOD_VENDOR = 255,
3732 };
3733
3734 /**
3735  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3736  *
3737  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3738  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3739  *      be specified in a vendor specific information element
3740  */
3741 enum ieee80211_mesh_path_protocol {
3742         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3743         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3744 };
3745
3746 /**
3747  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3748  *
3749  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3750  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3751  *      specified in a vendor specific information element
3752  */
3753 enum ieee80211_mesh_path_metric {
3754         IEEE80211_PATH_METRIC_AIRTIME = 1,
3755         IEEE80211_PATH_METRIC_VENDOR = 255,
3756 };
3757
3758 /**
3759  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3760  *
3761  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3762  *
3763  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3764  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3765  *      this value
3766  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3767  *      the proactive PREQ with proactive PREP subfield set to 0
3768  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3769  *      supports the proactive PREQ with proactive PREP subfield set to 1
3770  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3771  *      the proactive RANN
3772  */
3773 enum ieee80211_root_mode_identifier {
3774         IEEE80211_ROOTMODE_NO_ROOT = 0,
3775         IEEE80211_ROOTMODE_ROOT = 1,
3776         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3777         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3778         IEEE80211_PROACTIVE_RANN = 4,
3779 };
3780
3781 /*
3782  * IEEE 802.11-2007 7.3.2.9 Country information element
3783  *
3784  * Minimum length is 8 octets, ie len must be evenly
3785  * divisible by 2
3786  */
3787
3788 /* Although the spec says 8 I'm seeing 6 in practice */
3789 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3790
3791 /* The Country String field of the element shall be 3 octets in length */
3792 #define IEEE80211_COUNTRY_STRING_LEN    3
3793
3794 /*
3795  * For regulatory extension stuff see IEEE 802.11-2007
3796  * Annex I (page 1141) and Annex J (page 1147). Also
3797  * review 7.3.2.9.
3798  *
3799  * When dot11RegulatoryClassesRequired is true and the
3800  * first_channel/reg_extension_id is >= 201 then the IE
3801  * compromises of the 'ext' struct represented below:
3802  *
3803  *  - Regulatory extension ID - when generating IE this just needs
3804  *    to be monotonically increasing for each triplet passed in
3805  *    the IE
3806  *  - Regulatory class - index into set of rules
3807  *  - Coverage class - index into air propagation time (Table 7-27),
3808  *    in microseconds, you can compute the air propagation time from
3809  *    the index by multiplying by 3, so index 10 yields a propagation
3810  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3811  *    yet. A value of 0 inicates air propagation of <= 1 us.
3812  *
3813  *  See also Table I.2 for Emission limit sets and table
3814  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3815  *  a reg_class to an emission limit set and behavior limit set.
3816  */
3817 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3818
3819 /*
3820  *  Channels numbers in the IE must be monotonically increasing
3821  *  if dot11RegulatoryClassesRequired is not true.
3822  *
3823  *  If dot11RegulatoryClassesRequired is true consecutive
3824  *  subband triplets following a regulatory triplet shall
3825  *  have monotonically increasing first_channel number fields.
3826  *
3827  *  Channel numbers shall not overlap.
3828  *
3829  *  Note that max_power is signed.
3830  */
3831 struct ieee80211_country_ie_triplet {
3832         union {
3833                 struct {
3834                         u8 first_channel;
3835                         u8 num_channels;
3836                         s8 max_power;
3837                 } __packed chans;
3838                 struct {
3839                         u8 reg_extension_id;
3840                         u8 reg_class;
3841                         u8 coverage_class;
3842                 } __packed ext;
3843         };
3844 } __packed;
3845
3846 enum ieee80211_timeout_interval_type {
3847         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3848         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3849         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3850 };
3851
3852 /**
3853  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3854  * @type: type, see &enum ieee80211_timeout_interval_type
3855  * @value: timeout interval value
3856  */
3857 struct ieee80211_timeout_interval_ie {
3858         u8 type;
3859         __le32 value;
3860 } __packed;
3861
3862 /**
3863  * enum ieee80211_idle_options - BSS idle options
3864  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3865  *      protected frame to the AP to reset the idle timer at the AP for
3866  *      the station.
3867  */
3868 enum ieee80211_idle_options {
3869         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3870 };
3871
3872 /**
3873  * struct ieee80211_bss_max_idle_period_ie
3874  *
3875  * This structure refers to "BSS Max idle period element"
3876  *
3877  * @max_idle_period: indicates the time period during which a station can
3878  *      refrain from transmitting frames to its associated AP without being
3879  *      disassociated. In units of 1000 TUs.
3880  * @idle_options: indicates the options associated with the BSS idle capability
3881  *      as specified in &enum ieee80211_idle_options.
3882  */
3883 struct ieee80211_bss_max_idle_period_ie {
3884         __le16 max_idle_period;
3885         u8 idle_options;
3886 } __packed;
3887
3888 /* BACK action code */
3889 enum ieee80211_back_actioncode {
3890         WLAN_ACTION_ADDBA_REQ = 0,
3891         WLAN_ACTION_ADDBA_RESP = 1,
3892         WLAN_ACTION_DELBA = 2,
3893 };
3894
3895 /* BACK (block-ack) parties */
3896 enum ieee80211_back_parties {
3897         WLAN_BACK_RECIPIENT = 0,
3898         WLAN_BACK_INITIATOR = 1,
3899 };
3900
3901 /* SA Query action */
3902 enum ieee80211_sa_query_action {
3903         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3904         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3905 };
3906
3907 /**
3908  * struct ieee80211_bssid_index
3909  *
3910  * This structure refers to "Multiple BSSID-index element"
3911  *
3912  * @bssid_index: BSSID index
3913  * @dtim_period: optional, overrides transmitted BSS dtim period
3914  * @dtim_count: optional, overrides transmitted BSS dtim count
3915  */
3916 struct ieee80211_bssid_index {
3917         u8 bssid_index;
3918         u8 dtim_period;
3919         u8 dtim_count;
3920 };
3921
3922 /**
3923  * struct ieee80211_multiple_bssid_configuration
3924  *
3925  * This structure refers to "Multiple BSSID Configuration element"
3926  *
3927  * @bssid_count: total number of active BSSIDs in the set
3928  * @profile_periodicity: the least number of beacon frames need to be received
3929  *      in order to discover all the nontransmitted BSSIDs in the set.
3930  */
3931 struct ieee80211_multiple_bssid_configuration {
3932         u8 bssid_count;
3933         u8 profile_periodicity;
3934 };
3935
3936 #define SUITE(oui, id)  (((oui) << 8) | (id))
3937
3938 /* cipher suite selectors */
3939 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3940 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3941 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3942 /* reserved:                            SUITE(0x000FAC, 3) */
3943 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3944 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3945 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3946 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3947 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3948 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3949 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3950 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3951 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3952
3953 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3954
3955 /* AKM suite selectors */
3956 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3957 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3958 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3959 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3960 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3961 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3962 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3963 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3964 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3965 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3966 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3967 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3968 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3969 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3970 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3971 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3972 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3973 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3974 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3975 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3976
3977 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
3978
3979 #define WLAN_MAX_KEY_LEN                32
3980
3981 #define WLAN_PMK_NAME_LEN               16
3982 #define WLAN_PMKID_LEN                  16
3983 #define WLAN_PMK_LEN_EAP_LEAP           16
3984 #define WLAN_PMK_LEN                    32
3985 #define WLAN_PMK_LEN_SUITE_B_192        48
3986
3987 #define WLAN_OUI_WFA                    0x506f9a
3988 #define WLAN_OUI_TYPE_WFA_P2P           9
3989 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
3990 #define WLAN_OUI_MICROSOFT              0x0050f2
3991 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3992 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3993 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3994 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3995
3996 /*
3997  * WMM/802.11e Tspec Element
3998  */
3999 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
4000 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
4001
4002 enum ieee80211_tspec_status_code {
4003         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4004         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4005 };
4006
4007 struct ieee80211_tspec_ie {
4008         u8 element_id;
4009         u8 len;
4010         u8 oui[3];
4011         u8 oui_type;
4012         u8 oui_subtype;
4013         u8 version;
4014         __le16 tsinfo;
4015         u8 tsinfo_resvd;
4016         __le16 nominal_msdu;
4017         __le16 max_msdu;
4018         __le32 min_service_int;
4019         __le32 max_service_int;
4020         __le32 inactivity_int;
4021         __le32 suspension_int;
4022         __le32 service_start_time;
4023         __le32 min_data_rate;
4024         __le32 mean_data_rate;
4025         __le32 peak_data_rate;
4026         __le32 max_burst_size;
4027         __le32 delay_bound;
4028         __le32 min_phy_rate;
4029         __le16 sba;
4030         __le16 medium_time;
4031 } __packed;
4032
4033 struct ieee80211_he_6ghz_capa {
4034         /* uses IEEE80211_HE_6GHZ_CAP_* below */
4035         __le16 capa;
4036 } __packed;
4037
4038 /* HE 6 GHz band capabilities */
4039 /* uses enum ieee80211_min_mpdu_spacing values */
4040 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
4041 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4042 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4043 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4044 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
4045 /* WLAN_HT_CAP_SM_PS_* values */
4046 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
4047 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
4048 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
4049 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
4050
4051 /**
4052  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4053  * @hdr: the frame
4054  *
4055  * The qos ctrl bytes come after the frame_control, duration, seq_num
4056  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4057  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4058  */
4059 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4060 {
4061         union {
4062                 struct ieee80211_qos_hdr        addr3;
4063                 struct ieee80211_qos_hdr_4addr  addr4;
4064         } *qos;
4065
4066         qos = (void *)hdr;
4067         if (ieee80211_has_a4(qos->addr3.frame_control))
4068                 return (u8 *)&qos->addr4.qos_ctrl;
4069         else
4070                 return (u8 *)&qos->addr3.qos_ctrl;
4071 }
4072
4073 /**
4074  * ieee80211_get_tid - get qos TID
4075  * @hdr: the frame
4076  */
4077 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4078 {
4079         u8 *qc = ieee80211_get_qos_ctl(hdr);
4080
4081         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4082 }
4083
4084 /**
4085  * ieee80211_get_SA - get pointer to SA
4086  * @hdr: the frame
4087  *
4088  * Given an 802.11 frame, this function returns the offset
4089  * to the source address (SA). It does not verify that the
4090  * header is long enough to contain the address, and the
4091  * header must be long enough to contain the frame control
4092  * field.
4093  */
4094 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4095 {
4096         if (ieee80211_has_a4(hdr->frame_control))
4097                 return hdr->addr4;
4098         if (ieee80211_has_fromds(hdr->frame_control))
4099                 return hdr->addr3;
4100         return hdr->addr2;
4101 }
4102
4103 /**
4104  * ieee80211_get_DA - get pointer to DA
4105  * @hdr: the frame
4106  *
4107  * Given an 802.11 frame, this function returns the offset
4108  * to the destination address (DA). It does not verify that
4109  * the 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_DA(struct ieee80211_hdr *hdr)
4114 {
4115         if (ieee80211_has_tods(hdr->frame_control))
4116                 return hdr->addr3;
4117         else
4118                 return hdr->addr1;
4119 }
4120
4121 /**
4122  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4123  * @skb: the skb to check, starting with the 802.11 header
4124  */
4125 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4126 {
4127         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4128         __le16 fc = mgmt->frame_control;
4129
4130         /*
4131          * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4132          * note that this ignores the IBSS special case.
4133          */
4134         if (!ieee80211_is_mgmt(fc))
4135                 return false;
4136
4137         if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4138                 return true;
4139
4140         if (!ieee80211_is_action(fc))
4141                 return false;
4142
4143         if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4144                 return true;
4145
4146         /* action frame - additionally check for non-bufferable FTM */
4147
4148         if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4149             mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4150                 return true;
4151
4152         if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4153             mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4154                 return false;
4155
4156         return true;
4157 }
4158
4159 /**
4160  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4161  * @hdr: the frame (buffer must include at least the first octet of payload)
4162  */
4163 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4164 {
4165         if (ieee80211_is_disassoc(hdr->frame_control) ||
4166             ieee80211_is_deauth(hdr->frame_control))
4167                 return true;
4168
4169         if (ieee80211_is_action(hdr->frame_control)) {
4170                 u8 *category;
4171
4172                 /*
4173                  * Action frames, excluding Public Action frames, are Robust
4174                  * Management Frames. However, if we are looking at a Protected
4175                  * frame, skip the check since the data may be encrypted and
4176                  * the frame has already been found to be a Robust Management
4177                  * Frame (by the other end).
4178                  */
4179                 if (ieee80211_has_protected(hdr->frame_control))
4180                         return true;
4181                 category = ((u8 *) hdr) + 24;
4182                 return *category != WLAN_CATEGORY_PUBLIC &&
4183                         *category != WLAN_CATEGORY_HT &&
4184                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4185                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
4186                         *category != WLAN_CATEGORY_UNPROT_DMG &&
4187                         *category != WLAN_CATEGORY_VHT &&
4188                         *category != WLAN_CATEGORY_S1G &&
4189                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4190         }
4191
4192         return false;
4193 }
4194
4195 /**
4196  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4197  * @skb: the skb containing the frame, length will be checked
4198  */
4199 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4200 {
4201         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4202                 return false;
4203         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4204 }
4205
4206 /**
4207  * ieee80211_is_public_action - check if frame is a public action frame
4208  * @hdr: the frame
4209  * @len: length of the frame
4210  */
4211 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4212                                               size_t len)
4213 {
4214         struct ieee80211_mgmt *mgmt = (void *)hdr;
4215
4216         if (len < IEEE80211_MIN_ACTION_SIZE)
4217                 return false;
4218         if (!ieee80211_is_action(hdr->frame_control))
4219                 return false;
4220         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4221 }
4222
4223 /**
4224  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4225  * privacy action frame
4226  * @hdr: the frame
4227  */
4228 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4229 {
4230         struct ieee80211_mgmt *mgmt = (void *)hdr;
4231
4232         if (!ieee80211_is_action(hdr->frame_control) ||
4233             !is_multicast_ether_addr(hdr->addr1))
4234                 return false;
4235
4236         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4237                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4238 }
4239
4240 /**
4241  * ieee80211_is_group_privacy_action - check if frame is a group addressed
4242  * privacy action frame
4243  * @skb: the skb containing the frame, length will be checked
4244  */
4245 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4246 {
4247         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4248                 return false;
4249         return _ieee80211_is_group_privacy_action((void *)skb->data);
4250 }
4251
4252 /**
4253  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4254  * @tu: the TUs
4255  */
4256 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4257 {
4258         return 1024 * tu;
4259 }
4260
4261 /**
4262  * ieee80211_check_tim - check if AID bit is set in TIM
4263  * @tim: the TIM IE
4264  * @tim_len: length of the TIM IE
4265  * @aid: the AID to look for
4266  */
4267 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4268                                        u8 tim_len, u16 aid)
4269 {
4270         u8 mask;
4271         u8 index, indexn1, indexn2;
4272
4273         if (unlikely(!tim || tim_len < sizeof(*tim)))
4274                 return false;
4275
4276         aid &= 0x3fff;
4277         index = aid / 8;
4278         mask  = 1 << (aid & 7);
4279
4280         indexn1 = tim->bitmap_ctrl & 0xfe;
4281         indexn2 = tim_len + indexn1 - 4;
4282
4283         if (index < indexn1 || index > indexn2)
4284                 return false;
4285
4286         index -= indexn1;
4287
4288         return !!(tim->virtual_map[index] & mask);
4289 }
4290
4291 /**
4292  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4293  * @skb: the skb containing the frame, length will not be checked
4294  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4295  *
4296  * This function assumes the frame is a data frame, and that the network header
4297  * is in the correct place.
4298  */
4299 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4300 {
4301         if (!skb_is_nonlinear(skb) &&
4302             skb->len > (skb_network_offset(skb) + 2)) {
4303                 /* Point to where the indication of TDLS should start */
4304                 const u8 *tdls_data = skb_network_header(skb) - 2;
4305
4306                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4307                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4308                     tdls_data[3] == WLAN_CATEGORY_TDLS)
4309                         return tdls_data[4];
4310         }
4311
4312         return -1;
4313 }
4314
4315 /* convert time units */
4316 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
4317 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
4318
4319 /* convert frequencies */
4320 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4321 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4322 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4323 #define KHZ_F "%d.%03d"
4324
4325 /* convert powers */
4326 #define DBI_TO_MBI(gain) ((gain) * 100)
4327 #define MBI_TO_DBI(gain) ((gain) / 100)
4328 #define DBM_TO_MBM(gain) ((gain) * 100)
4329 #define MBM_TO_DBM(gain) ((gain) / 100)
4330
4331 /**
4332  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4333  * @skb: the skb containing the frame, length will be checked
4334  *
4335  * This function checks if it's either TPC report action frame or Link
4336  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4337  * and 8.5.7.5 accordingly.
4338  */
4339 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4340 {
4341         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4342
4343         if (!ieee80211_is_action(mgmt->frame_control))
4344                 return false;
4345
4346         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4347                        sizeof(mgmt->u.action.u.tpc_report))
4348                 return false;
4349
4350         /*
4351          * TPC report - check that:
4352          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4353          * spectrum management action = 3 (TPC/Link Measurement report)
4354          * TPC report EID = 35
4355          * TPC report element length = 2
4356          *
4357          * The spectrum management's tpc_report struct is used here both for
4358          * parsing tpc_report and radio measurement's link measurement report
4359          * frame, since the relevant part is identical in both frames.
4360          */
4361         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4362             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4363                 return false;
4364
4365         /* both spectrum mgmt and link measurement have same action code */
4366         if (mgmt->u.action.u.tpc_report.action_code !=
4367             WLAN_ACTION_SPCT_TPC_RPRT)
4368                 return false;
4369
4370         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4371             mgmt->u.action.u.tpc_report.tpc_elem_length !=
4372             sizeof(struct ieee80211_tpc_report_ie))
4373                 return false;
4374
4375         return true;
4376 }
4377
4378 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4379 {
4380         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4381
4382         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4383                 return false;
4384
4385         if (!ieee80211_is_action(mgmt->frame_control))
4386                 return false;
4387
4388         if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4389             mgmt->u.action.u.wnm_timing_msr.action_code ==
4390                 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4391             skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4392                 return true;
4393
4394         return false;
4395 }
4396
4397 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4398 {
4399         struct ieee80211_mgmt *mgmt = (void *)skb->data;
4400
4401         if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4402                 return false;
4403
4404         if (mgmt->u.action.u.ftm.action_code ==
4405                 WLAN_PUB_ACTION_FTM_RESPONSE &&
4406             skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4407                 return true;
4408
4409         return false;
4410 }
4411
4412 struct element {
4413         u8 id;
4414         u8 datalen;
4415         u8 data[];
4416 } __packed;
4417
4418 /* element iteration helpers */
4419 #define for_each_element(_elem, _data, _datalen)                        \
4420         for (_elem = (const struct element *)(_data);                   \
4421              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4422                 (int)sizeof(*_elem) &&                                  \
4423              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
4424                 (int)sizeof(*_elem) + _elem->datalen;                   \
4425              _elem = (const struct element *)(_elem->data + _elem->datalen))
4426
4427 #define for_each_element_id(element, _id, data, datalen)                \
4428         for_each_element(element, data, datalen)                        \
4429                 if (element->id == (_id))
4430
4431 #define for_each_element_extid(element, extid, _data, _datalen)         \
4432         for_each_element(element, _data, _datalen)                      \
4433                 if (element->id == WLAN_EID_EXTENSION &&                \
4434                     element->datalen > 0 &&                             \
4435                     element->data[0] == (extid))
4436
4437 #define for_each_subelement(sub, element)                               \
4438         for_each_element(sub, (element)->data, (element)->datalen)
4439
4440 #define for_each_subelement_id(sub, id, element)                        \
4441         for_each_element_id(sub, id, (element)->data, (element)->datalen)
4442
4443 #define for_each_subelement_extid(sub, extid, element)                  \
4444         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4445
4446 /**
4447  * for_each_element_completed - determine if element parsing consumed all data
4448  * @element: element pointer after for_each_element() or friends
4449  * @data: same data pointer as passed to for_each_element() or friends
4450  * @datalen: same data length as passed to for_each_element() or friends
4451  *
4452  * This function returns %true if all the data was parsed or considered
4453  * while walking the elements. Only use this if your for_each_element()
4454  * loop cannot be broken out of, otherwise it always returns %false.
4455  *
4456  * If some data was malformed, this returns %false since the last parsed
4457  * element will not fill the whole remaining data.
4458  */
4459 static inline bool for_each_element_completed(const struct element *element,
4460                                               const void *data, size_t datalen)
4461 {
4462         return (const u8 *)element == (const u8 *)data + datalen;
4463 }
4464
4465 /**
4466  * RSNX Capabilities:
4467  * bits 0-3: Field length (n-1)
4468  */
4469 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4470 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4471
4472 /*
4473  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4474  * section 9.4.2.170 and accepted contributions.
4475  */
4476 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
4477 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
4478 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
4479 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
4480 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
4481 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
4482
4483 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
4484 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
4485 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
4486 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
4487 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
4488 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
4489 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
4490
4491 struct ieee80211_neighbor_ap_info {
4492         u8 tbtt_info_hdr;
4493         u8 tbtt_info_len;
4494         u8 op_class;
4495         u8 channel;
4496 } __packed;
4497
4498 enum ieee80211_range_params_max_total_ltf {
4499         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4500         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4501         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4502         IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4503 };
4504
4505 /* multi-link device */
4506 #define IEEE80211_MLD_MAX_NUM_LINKS     15
4507
4508 #define IEEE80211_ML_CONTROL_TYPE                       0x0007
4509 #define IEEE80211_ML_CONTROL_TYPE_BASIC                 0
4510 #define IEEE80211_ML_CONTROL_TYPE_PREQ                  1
4511 #define IEEE80211_ML_CONTROL_TYPE_RECONF                2
4512 #define IEEE80211_ML_CONTROL_TYPE_TDLS                  3
4513 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS           4
4514 #define IEEE80211_ML_CONTROL_PRESENCE_MASK              0xfff0
4515
4516 struct ieee80211_multi_link_elem {
4517         __le16 control;
4518         u8 variable[];
4519 } __packed;
4520
4521 #define IEEE80211_MLC_BASIC_PRES_LINK_ID                0x0010
4522 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT       0x0020
4523 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY         0x0040
4524 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA               0x0080
4525 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP            0x0100
4526 #define IEEE80211_MLC_BASIC_PRES_MLD_ID                 0x0200
4527
4528 #define IEEE80211_MED_SYNC_DELAY_DURATION               0x00ff
4529 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH    0x0f00
4530 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS     0xf000
4531
4532 #define IEEE80211_EML_CAP_EMLSR_SUPP                    0x0001
4533 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY           0x000e
4534 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US              0
4535 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US             1
4536 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US             2
4537 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US            3
4538 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US            4
4539 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY        0x0070
4540 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US           0
4541 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US          1
4542 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US          2
4543 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US          3
4544 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US         4
4545 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US         5
4546 #define IEEE80211_EML_CAP_EMLMR_SUPPORT                 0x0080
4547 #define IEEE80211_EML_CAP_EMLMR_DELAY                   0x0700
4548 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US                      0
4549 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US                     1
4550 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US                     2
4551 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US                    3
4552 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US                    4
4553 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT            0x7800
4554 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0                 0
4555 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US             1
4556 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US             2
4557 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US             3
4558 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU               4
4559 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU               5
4560 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU               6
4561 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU               7
4562 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU              8
4563 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU              9
4564 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU              10
4565 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU             11
4566
4567 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS            0x000f
4568 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT                0x0010
4569 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP   0x0060
4570 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND          0x0f80
4571 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT                0x1000
4572
4573 struct ieee80211_mle_basic_common_info {
4574         u8 len;
4575         u8 mld_mac_addr[ETH_ALEN];
4576         u8 variable[];
4577 } __packed;
4578
4579 #define IEEE80211_MLC_PREQ_PRES_MLD_ID                  0x0010
4580
4581 struct ieee80211_mle_preq_common_info {
4582         u8 len;
4583         u8 variable[];
4584 } __packed;
4585
4586 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR          0x0010
4587
4588 /* no fixed fields in RECONF */
4589
4590 struct ieee80211_mle_tdls_common_info {
4591         u8 len;
4592         u8 ap_mld_mac_addr[ETH_ALEN];
4593 } __packed;
4594
4595 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR  0x0010
4596
4597 /* no fixed fields in PRIO_ACCESS */
4598
4599 /**
4600  * ieee80211_mle_common_size - check multi-link element common size
4601  * @data: multi-link element, must already be checked for size using
4602  *      ieee80211_mle_size_ok()
4603  */
4604 static inline u8 ieee80211_mle_common_size(const u8 *data)
4605 {
4606         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4607         u16 control = le16_to_cpu(mle->control);
4608         u8 common = 0;
4609
4610         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4611         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4612         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4613         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4614                 /*
4615                  * The length is the first octet pointed by mle->variable so no
4616                  * need to add anything
4617                  */
4618                 break;
4619         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4620                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4621                         common += ETH_ALEN;
4622                 return common;
4623         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4624                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4625                         common += ETH_ALEN;
4626                 return common;
4627         default:
4628                 WARN_ON(1);
4629                 return 0;
4630         }
4631
4632         return sizeof(*mle) + common + mle->variable[0];
4633 }
4634
4635 /**
4636  * ieee80211_mle_size_ok - validate multi-link element size
4637  * @data: pointer to the element data
4638  * @len: length of the containing element
4639  */
4640 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4641 {
4642         const struct ieee80211_multi_link_elem *mle = (const void *)data;
4643         u8 fixed = sizeof(*mle);
4644         u8 common = 0;
4645         bool check_common_len = false;
4646         u16 control;
4647
4648         if (len < fixed)
4649                 return false;
4650
4651         control = le16_to_cpu(mle->control);
4652
4653         switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4654         case IEEE80211_ML_CONTROL_TYPE_BASIC:
4655                 common += sizeof(struct ieee80211_mle_basic_common_info);
4656                 check_common_len = true;
4657                 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4658                         common += 1;
4659                 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4660                         common += 1;
4661                 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4662                         common += 2;
4663                 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4664                         common += 2;
4665                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4666                         common += 2;
4667                 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4668                         common += 1;
4669                 break;
4670         case IEEE80211_ML_CONTROL_TYPE_PREQ:
4671                 common += sizeof(struct ieee80211_mle_preq_common_info);
4672                 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4673                         common += 1;
4674                 check_common_len = true;
4675                 break;
4676         case IEEE80211_ML_CONTROL_TYPE_RECONF:
4677                 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4678                         common += ETH_ALEN;
4679                 break;
4680         case IEEE80211_ML_CONTROL_TYPE_TDLS:
4681                 common += sizeof(struct ieee80211_mle_tdls_common_info);
4682                 check_common_len = true;
4683                 break;
4684         case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4685                 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4686                         common += ETH_ALEN;
4687                 break;
4688         default:
4689                 /* we don't know this type */
4690                 return true;
4691         }
4692
4693         if (len < fixed + common)
4694                 return false;
4695
4696         if (!check_common_len)
4697                 return true;
4698
4699         /* if present, common length is the first octet there */
4700         return mle->variable[0] >= common;
4701 }
4702
4703 enum ieee80211_mle_subelems {
4704         IEEE80211_MLE_SUBELEM_PER_STA_PROFILE           = 0,
4705         IEEE80211_MLE_SUBELEM_FRAGMENT                  = 254,
4706 };
4707
4708 #define IEEE80211_MLE_STA_CONTROL_LINK_ID                       0x000f
4709 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE              0x0010
4710 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT          0x0020
4711 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT            0x0040
4712 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT              0x0080
4713 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT             0x0100
4714 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT        0x0200
4715 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE              0x0400
4716 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT  0x0800
4717
4718 struct ieee80211_mle_per_sta_profile {
4719         __le16 control;
4720         u8 sta_info_len;
4721         u8 variable[];
4722 } __packed;
4723
4724 /**
4725  * ieee80211_mle_sta_prof_size_ok - validate multi-link element sta profile size
4726  * @data: pointer to the sub element data
4727  * @len: length of the containing sub element
4728  */
4729 static inline bool ieee80211_mle_sta_prof_size_ok(const u8 *data, size_t len)
4730 {
4731         const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4732         u16 control;
4733         u8 fixed = sizeof(*prof);
4734         u8 info_len = 1;
4735
4736         if (len < fixed)
4737                 return false;
4738
4739         control = le16_to_cpu(prof->control);
4740
4741         if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4742                 info_len += 6;
4743         if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4744                 info_len += 2;
4745         if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4746                 info_len += 8;
4747         if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4748                 info_len += 2;
4749         if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4750                 info_len += 1;
4751
4752         if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4753             control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
4754                 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4755                         info_len += 2;
4756                 else
4757                         info_len += 1;
4758         }
4759
4760         return prof->sta_info_len >= info_len &&
4761                fixed + prof->sta_info_len <= len;
4762 }
4763
4764 #define for_each_mle_subelement(_elem, _data, _len)                     \
4765         if (ieee80211_mle_size_ok(_data, _len))                         \
4766                 for_each_element(_elem,                                 \
4767                                  _data + ieee80211_mle_common_size(_data),\
4768                                  _len - ieee80211_mle_common_size(_data))
4769
4770 #endif /* LINUX_IEEE80211_H */