include/linux/ieee80211.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * IEEE 802.11 defines
   4  *
   5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
   6  * <jkmaline@cc.hut.fi>
   7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
   8  * Copyright (c) 2005, Devicescape Software, Inc.
   9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
  11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
  12  * Copyright (c) 2018 - 2020 Intel Corporation
  13  */
  14
  15 #ifndef LINUX_IEEE80211_H
  16 #define LINUX_IEEE80211_H
  17
  18 #include <linux/types.h>
  19 #include <linux/if_ether.h>
  20 #include <linux/etherdevice.h>
  21 #include <asm/byteorder.h>
  22 #include <asm/unaligned.h>
  23
  24 /*
  25  * DS bit usage
  26  *
  27  * TA = transmitter address
  28  * RA = receiver address
  29  * DA = destination address
  30  * SA = source address
  31  *
  32  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
  33  * -----------------------------------------------------------------
  34  *  0       0       DA      SA      BSSID   -       IBSS/DLS
  35  *  0       1       DA      BSSID   SA      -       AP -> STA
  36  *  1       0       BSSID   SA      DA      -       AP <- STA
  37  *  1       1       RA      TA      DA      SA      unspecified (WDS)
  38  */
  39
  40 #define FCS_LEN 4
  41
  42 #define IEEE80211_FCTL_VERS             0x0003
  43 #define IEEE80211_FCTL_FTYPE            0x000c
  44 #define IEEE80211_FCTL_STYPE            0x00f0
  45 #define IEEE80211_FCTL_TODS             0x0100
  46 #define IEEE80211_FCTL_FROMDS           0x0200
  47 #define IEEE80211_FCTL_MOREFRAGS        0x0400
  48 #define IEEE80211_FCTL_RETRY            0x0800
  49 #define IEEE80211_FCTL_PM               0x1000
  50 #define IEEE80211_FCTL_MOREDATA         0x2000
  51 #define IEEE80211_FCTL_PROTECTED        0x4000
  52 #define IEEE80211_FCTL_ORDER            0x8000
  53 #define IEEE80211_FCTL_CTL_EXT          0x0f00
  54
  55 #define IEEE80211_SCTL_FRAG             0x000F
  56 #define IEEE80211_SCTL_SEQ              0xFFF0
  57
  58 #define IEEE80211_FTYPE_MGMT            0x0000
  59 #define IEEE80211_FTYPE_CTL             0x0004
  60 #define IEEE80211_FTYPE_DATA            0x0008
  61 #define IEEE80211_FTYPE_EXT             0x000c
  62
  63 /* management */
  64 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
  65 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
  66 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
  67 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
  68 #define IEEE80211_STYPE_PROBE_REQ       0x0040
  69 #define IEEE80211_STYPE_PROBE_RESP      0x0050
  70 #define IEEE80211_STYPE_BEACON          0x0080
  71 #define IEEE80211_STYPE_ATIM            0x0090
  72 #define IEEE80211_STYPE_DISASSOC        0x00A0
  73 #define IEEE80211_STYPE_AUTH            0x00B0
  74 #define IEEE80211_STYPE_DEAUTH          0x00C0
  75 #define IEEE80211_STYPE_ACTION          0x00D0
  76
  77 /* control */
  78 #define IEEE80211_STYPE_CTL_EXT         0x0060
  79 #define IEEE80211_STYPE_BACK_REQ        0x0080
  80 #define IEEE80211_STYPE_BACK            0x0090
  81 #define IEEE80211_STYPE_PSPOLL          0x00A0
  82 #define IEEE80211_STYPE_RTS             0x00B0
  83 #define IEEE80211_STYPE_CTS             0x00C0
  84 #define IEEE80211_STYPE_ACK             0x00D0
  85 #define IEEE80211_STYPE_CFEND           0x00E0
  86 #define IEEE80211_STYPE_CFENDACK        0x00F0
  87
  88 /* data */
  89 #define IEEE80211_STYPE_DATA                    0x0000
  90 #define IEEE80211_STYPE_DATA_CFACK              0x0010
  91 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
  92 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
  93 #define IEEE80211_STYPE_NULLFUNC                0x0040
  94 #define IEEE80211_STYPE_CFACK                   0x0050
  95 #define IEEE80211_STYPE_CFPOLL                  0x0060
  96 #define IEEE80211_STYPE_CFACKPOLL               0x0070
  97 #define IEEE80211_STYPE_QOS_DATA                0x0080
  98 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
  99 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
 100 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
 101 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
 102 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
 103 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
 104 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
 105
 106 /* extension, added by 802.11ad */
 107 #define IEEE80211_STYPE_DMG_BEACON              0x0000
 108 #define IEEE80211_STYPE_S1G_BEACON              0x0010
 109
 110 /* bits unique to S1G beacon */
 111 #define IEEE80211_S1G_BCN_NEXT_TBTT     0x100
 112
 113 /* see 802.11ah-2016 9.9 NDP CMAC frames */
 114 #define IEEE80211_S1G_1MHZ_NDP_BITS     25
 115 #define IEEE80211_S1G_1MHZ_NDP_BYTES    4
 116 #define IEEE80211_S1G_2MHZ_NDP_BITS     37
 117 #define IEEE80211_S1G_2MHZ_NDP_BYTES    5
 118
 119 #define IEEE80211_NDP_FTYPE_CTS                 0
 120 #define IEEE80211_NDP_FTYPE_CF_END              0
 121 #define IEEE80211_NDP_FTYPE_PS_POLL             1
 122 #define IEEE80211_NDP_FTYPE_ACK                 2
 123 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK         3
 124 #define IEEE80211_NDP_FTYPE_BA                  4
 125 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL      5
 126 #define IEEE80211_NDP_FTYPE_PAGING              6
 127 #define IEEE80211_NDP_FTYPE_PREQ                7
 128
 129 #define SM64(f, v)      ((((u64)v) << f##_S) & f)
 130
 131 /* NDP CMAC frame fields */
 132 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
 133 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
 134
 135 /* 1M Probe Request 11ah 9.9.3.1.1 */
 136 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
 137 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
 138 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
 139 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
 140 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
 141 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
 142 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 143 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
 144 /* 2M Probe Request 11ah 9.9.3.1.2 */
 145 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
 146 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
 147 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
 148 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
 149 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
 150 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
 151
 152 #define IEEE80211_ANO_NETTYPE_WILD              15
 153
 154 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 155 #define IEEE80211_CTL_EXT_POLL          0x2000
 156 #define IEEE80211_CTL_EXT_SPR           0x3000
 157 #define IEEE80211_CTL_EXT_GRANT 0x4000
 158 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 159 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 160 #define IEEE80211_CTL_EXT_SSW           0x8000
 161 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 162 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 163
 164
 165 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 166 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 167 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 168
 169
 170 /* PV1 Layout 11ah 9.8.3.1 */
 171 #define IEEE80211_PV1_FCTL_VERS         0x0003
 172 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 173 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 174 #define IEEE80211_PV1_FCTL_TODS         0x0100
 175 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 176 #define IEEE80211_PV1_FCTL_PM           0x0400
 177 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 178 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 179 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 180 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 181 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 182 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 183
 184 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 185 {
 186         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 187 }
 188
 189 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 190 {
 191         return (sn1 + sn2) & IEEE80211_SN_MASK;
 192 }
 193
 194 static inline u16 ieee80211_sn_inc(u16 sn)
 195 {
 196         return ieee80211_sn_add(sn, 1);
 197 }
 198
 199 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 200 {
 201         return (sn1 - sn2) & IEEE80211_SN_MASK;
 202 }
 203
 204 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 205 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 206
 207 /* miscellaneous IEEE 802.11 constants */
 208 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 209 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 210 #define IEEE80211_MAX_AID               2007
 211 #define IEEE80211_MAX_AID_S1G           8191
 212 #define IEEE80211_MAX_TIM_LEN           251
 213 #define IEEE80211_MAX_MESH_PEERINGS     63
 214 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 215    6.2.1.1.2.
 216
 217    802.11e clarifies the figure in section 7.1.2. The frame body is
 218    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 219 #define IEEE80211_MAX_DATA_LEN          2304
 220 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 221  * to 7920 bytes, see 8.2.3 General frame format
 222  */
 223 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 224 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 225 #define IEEE80211_MAX_FRAME_LEN         2352
 226
 227 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 228 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 229
 230 /* Maximal size of an A-MSDU */
 231 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 232 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 233
 234 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 235 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 236 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 237
 238 #define IEEE80211_MAX_SSID_LEN          32
 239
 240 #define IEEE80211_MAX_MESH_ID_LEN       32
 241
 242 #define IEEE80211_FIRST_TSPEC_TSID      8
 243 #define IEEE80211_NUM_TIDS              16
 244
 245 /* number of user priorities 802.11 uses */
 246 #define IEEE80211_NUM_UPS               8
 247 /* number of ACs */
 248 #define IEEE80211_NUM_ACS               4
 249
 250 #define IEEE80211_QOS_CTL_LEN           2
 251 /* 1d tag mask */
 252 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 253 /* TID mask */
 254 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 255 /* EOSP */
 256 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 257 /* ACK policy */
 258 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 259 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 260 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 261 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 262 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 263 /* A-MSDU 802.11n */
 264 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 265 /* Mesh Control 802.11s */
 266 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 267
 268 /* Mesh Power Save Level */
 269 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 270 /* Mesh Receiver Service Period Initiated */
 271 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 272
 273 /* U-APSD queue for WMM IEs sent by AP */
 274 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 275 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 276
 277 /* U-APSD queues for WMM IEs sent by STA */
 278 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 279 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 280 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 281 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 282 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 283
 284 /* U-APSD max SP length for WMM IEs sent by STA */
 285 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 286 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 287 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 288 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 289 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 291
 292 #define IEEE80211_HT_CTL_LEN            4
 293
 294 struct ieee80211_hdr {
 295         __le16 frame_control;
 296         __le16 duration_id;
 297         u8 addr1[ETH_ALEN];
 298         u8 addr2[ETH_ALEN];
 299         u8 addr3[ETH_ALEN];
 300         __le16 seq_ctrl;
 301         u8 addr4[ETH_ALEN];
 302 } __packed __aligned(2);
 303
 304 struct ieee80211_hdr_3addr {
 305         __le16 frame_control;
 306         __le16 duration_id;
 307         u8 addr1[ETH_ALEN];
 308         u8 addr2[ETH_ALEN];
 309         u8 addr3[ETH_ALEN];
 310         __le16 seq_ctrl;
 311 } __packed __aligned(2);
 312
 313 struct ieee80211_qos_hdr {
 314         __le16 frame_control;
 315         __le16 duration_id;
 316         u8 addr1[ETH_ALEN];
 317         u8 addr2[ETH_ALEN];
 318         u8 addr3[ETH_ALEN];
 319         __le16 seq_ctrl;
 320         __le16 qos_ctrl;
 321 } __packed __aligned(2);
 322
 323 /**
 324  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 325  * @fc: frame control bytes in little-endian byteorder
 326  */
 327 static inline bool ieee80211_has_tods(__le16 fc)
 328 {
 329         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 330 }
 331
 332 /**
 333  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 334  * @fc: frame control bytes in little-endian byteorder
 335  */
 336 static inline bool ieee80211_has_fromds(__le16 fc)
 337 {
 338         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 339 }
 340
 341 /**
 342  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 343  * @fc: frame control bytes in little-endian byteorder
 344  */
 345 static inline bool ieee80211_has_a4(__le16 fc)
 346 {
 347         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 348         return (fc & tmp) == tmp;
 349 }
 350
 351 /**
 352  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 353  * @fc: frame control bytes in little-endian byteorder
 354  */
 355 static inline bool ieee80211_has_morefrags(__le16 fc)
 356 {
 357         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 358 }
 359
 360 /**
 361  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 362  * @fc: frame control bytes in little-endian byteorder
 363  */
 364 static inline bool ieee80211_has_retry(__le16 fc)
 365 {
 366         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 367 }
 368
 369 /**
 370  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 371  * @fc: frame control bytes in little-endian byteorder
 372  */
 373 static inline bool ieee80211_has_pm(__le16 fc)
 374 {
 375         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 376 }
 377
 378 /**
 379  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 380  * @fc: frame control bytes in little-endian byteorder
 381  */
 382 static inline bool ieee80211_has_moredata(__le16 fc)
 383 {
 384         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 385 }
 386
 387 /**
 388  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 389  * @fc: frame control bytes in little-endian byteorder
 390  */
 391 static inline bool ieee80211_has_protected(__le16 fc)
 392 {
 393         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 394 }
 395
 396 /**
 397  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 398  * @fc: frame control bytes in little-endian byteorder
 399  */
 400 static inline bool ieee80211_has_order(__le16 fc)
 401 {
 402         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 403 }
 404
 405 /**
 406  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 407  * @fc: frame control bytes in little-endian byteorder
 408  */
 409 static inline bool ieee80211_is_mgmt(__le16 fc)
 410 {
 411         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 412                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 413 }
 414
 415 /**
 416  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 417  * @fc: frame control bytes in little-endian byteorder
 418  */
 419 static inline bool ieee80211_is_ctl(__le16 fc)
 420 {
 421         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 422                cpu_to_le16(IEEE80211_FTYPE_CTL);
 423 }
 424
 425 /**
 426  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 427  * @fc: frame control bytes in little-endian byteorder
 428  */
 429 static inline bool ieee80211_is_data(__le16 fc)
 430 {
 431         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 432                cpu_to_le16(IEEE80211_FTYPE_DATA);
 433 }
 434
 435 /**
 436  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 437  * @fc: frame control bytes in little-endian byteorder
 438  */
 439 static inline bool ieee80211_is_ext(__le16 fc)
 440 {
 441         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 442                cpu_to_le16(IEEE80211_FTYPE_EXT);
 443 }
 444
 445
 446 /**
 447  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 448  * @fc: frame control bytes in little-endian byteorder
 449  */
 450 static inline bool ieee80211_is_data_qos(__le16 fc)
 451 {
 452         /*
 453          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 454          * to check the one bit
 455          */
 456         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 457                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 458 }
 459
 460 /**
 461  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 462  * @fc: frame control bytes in little-endian byteorder
 463  */
 464 static inline bool ieee80211_is_data_present(__le16 fc)
 465 {
 466         /*
 467          * mask with 0x40 and test that that bit is clear to only return true
 468          * for the data-containing substypes.
 469          */
 470         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 471                cpu_to_le16(IEEE80211_FTYPE_DATA);
 472 }
 473
 474 /**
 475  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 476  * @fc: frame control bytes in little-endian byteorder
 477  */
 478 static inline bool ieee80211_is_assoc_req(__le16 fc)
 479 {
 480         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 481                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 482 }
 483
 484 /**
 485  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 486  * @fc: frame control bytes in little-endian byteorder
 487  */
 488 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 489 {
 490         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 491                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 492 }
 493
 494 /**
 495  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 496  * @fc: frame control bytes in little-endian byteorder
 497  */
 498 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 499 {
 500         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 501                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 502 }
 503
 504 /**
 505  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 506  * @fc: frame control bytes in little-endian byteorder
 507  */
 508 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 509 {
 510         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 511                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 512 }
 513
 514 /**
 515  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 516  * @fc: frame control bytes in little-endian byteorder
 517  */
 518 static inline bool ieee80211_is_probe_req(__le16 fc)
 519 {
 520         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 521                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 522 }
 523
 524 /**
 525  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 526  * @fc: frame control bytes in little-endian byteorder
 527  */
 528 static inline bool ieee80211_is_probe_resp(__le16 fc)
 529 {
 530         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 531                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 532 }
 533
 534 /**
 535  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 536  * @fc: frame control bytes in little-endian byteorder
 537  */
 538 static inline bool ieee80211_is_beacon(__le16 fc)
 539 {
 540         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 541                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 542 }
 543
 544 /**
 545  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 546  * IEEE80211_STYPE_S1G_BEACON
 547  * @fc: frame control bytes in little-endian byteorder
 548  */
 549 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 550 {
 551         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 552                                  IEEE80211_FCTL_STYPE)) ==
 553                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 554 }
 555
 556 /**
 557  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 558  * @fc: frame control bytes in little-endian byteorder
 559  */
 560 static inline bool ieee80211_is_atim(__le16 fc)
 561 {
 562         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 563                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 564 }
 565
 566 /**
 567  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 568  * @fc: frame control bytes in little-endian byteorder
 569  */
 570 static inline bool ieee80211_is_disassoc(__le16 fc)
 571 {
 572         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 573                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 574 }
 575
 576 /**
 577  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 578  * @fc: frame control bytes in little-endian byteorder
 579  */
 580 static inline bool ieee80211_is_auth(__le16 fc)
 581 {
 582         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 583                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 584 }
 585
 586 /**
 587  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 588  * @fc: frame control bytes in little-endian byteorder
 589  */
 590 static inline bool ieee80211_is_deauth(__le16 fc)
 591 {
 592         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 593                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 594 }
 595
 596 /**
 597  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 598  * @fc: frame control bytes in little-endian byteorder
 599  */
 600 static inline bool ieee80211_is_action(__le16 fc)
 601 {
 602         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 603                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 604 }
 605
 606 /**
 607  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 608  * @fc: frame control bytes in little-endian byteorder
 609  */
 610 static inline bool ieee80211_is_back_req(__le16 fc)
 611 {
 612         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 613                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 614 }
 615
 616 /**
 617  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 618  * @fc: frame control bytes in little-endian byteorder
 619  */
 620 static inline bool ieee80211_is_back(__le16 fc)
 621 {
 622         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 623                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 624 }
 625
 626 /**
 627  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 628  * @fc: frame control bytes in little-endian byteorder
 629  */
 630 static inline bool ieee80211_is_pspoll(__le16 fc)
 631 {
 632         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 633                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 634 }
 635
 636 /**
 637  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 638  * @fc: frame control bytes in little-endian byteorder
 639  */
 640 static inline bool ieee80211_is_rts(__le16 fc)
 641 {
 642         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 643                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 644 }
 645
 646 /**
 647  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 648  * @fc: frame control bytes in little-endian byteorder
 649  */
 650 static inline bool ieee80211_is_cts(__le16 fc)
 651 {
 652         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 653                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 654 }
 655
 656 /**
 657  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 658  * @fc: frame control bytes in little-endian byteorder
 659  */
 660 static inline bool ieee80211_is_ack(__le16 fc)
 661 {
 662         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 663                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 664 }
 665
 666 /**
 667  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 668  * @fc: frame control bytes in little-endian byteorder
 669  */
 670 static inline bool ieee80211_is_cfend(__le16 fc)
 671 {
 672         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 673                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 674 }
 675
 676 /**
 677  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 678  * @fc: frame control bytes in little-endian byteorder
 679  */
 680 static inline bool ieee80211_is_cfendack(__le16 fc)
 681 {
 682         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 683                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 684 }
 685
 686 /**
 687  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 688  * @fc: frame control bytes in little-endian byteorder
 689  */
 690 static inline bool ieee80211_is_nullfunc(__le16 fc)
 691 {
 692         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 693                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 694 }
 695
 696 /**
 697  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 698  * @fc: frame control bytes in little-endian byteorder
 699  */
 700 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 701 {
 702         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 703                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 704 }
 705
 706 /**
 707  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 708  * @fc: frame control bytes in little-endian byteorder
 709  */
 710 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 711 {
 712         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 713 }
 714
 715 /**
 716  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 717  * @fc: frame control field in little-endian byteorder
 718  */
 719 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 720 {
 721         /* IEEE 802.11-2012, definition of "bufferable management frame";
 722          * note that this ignores the IBSS special case. */
 723         return ieee80211_is_mgmt(fc) &&
 724                (ieee80211_is_action(fc) ||
 725                 ieee80211_is_disassoc(fc) ||
 726                 ieee80211_is_deauth(fc));
 727 }
 728
 729 /**
 730  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 731  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 732  */
 733 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 734 {
 735         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 736 }
 737
 738 /**
 739  * ieee80211_is_frag - check if a frame is a fragment
 740  * @hdr: 802.11 header of the frame
 741  */
 742 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 743 {
 744         return ieee80211_has_morefrags(hdr->frame_control) ||
 745                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 746 }
 747
 748 struct ieee80211s_hdr {
 749         u8 flags;
 750         u8 ttl;
 751         __le32 seqnum;
 752         u8 eaddr1[ETH_ALEN];
 753         u8 eaddr2[ETH_ALEN];
 754 } __packed __aligned(2);
 755
 756 /* Mesh flags */
 757 #define MESH_FLAGS_AE_A4        0x1
 758 #define MESH_FLAGS_AE_A5_A6     0x2
 759 #define MESH_FLAGS_AE           0x3
 760 #define MESH_FLAGS_PS_DEEP      0x4
 761
 762 /**
 763  * enum ieee80211_preq_flags - mesh PREQ element flags
 764  *
 765  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 766  */
 767 enum ieee80211_preq_flags {
 768         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 769 };
 770
 771 /**
 772  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 773  *
 774  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 775  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 776  */
 777 enum ieee80211_preq_target_flags {
 778         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 779         IEEE80211_PREQ_USN_FLAG = 1<<2,
 780 };
 781
 782 /**
 783  * struct ieee80211_quiet_ie
 784  *
 785  * This structure refers to "Quiet information element"
 786  */
 787 struct ieee80211_quiet_ie {
 788         u8 count;
 789         u8 period;
 790         __le16 duration;
 791         __le16 offset;
 792 } __packed;
 793
 794 /**
 795  * struct ieee80211_msrment_ie
 796  *
 797  * This structure refers to "Measurement Request/Report information element"
 798  */
 799 struct ieee80211_msrment_ie {
 800         u8 token;
 801         u8 mode;
 802         u8 type;
 803         u8 request[];
 804 } __packed;
 805
 806 /**
 807  * struct ieee80211_channel_sw_ie
 808  *
 809  * This structure refers to "Channel Switch Announcement information element"
 810  */
 811 struct ieee80211_channel_sw_ie {
 812         u8 mode;
 813         u8 new_ch_num;
 814         u8 count;
 815 } __packed;
 816
 817 /**
 818  * struct ieee80211_ext_chansw_ie
 819  *
 820  * This structure represents the "Extended Channel Switch Announcement element"
 821  */
 822 struct ieee80211_ext_chansw_ie {
 823         u8 mode;
 824         u8 new_operating_class;
 825         u8 new_ch_num;
 826         u8 count;
 827 } __packed;
 828
 829 /**
 830  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 831  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 832  *      values here
 833  * This structure represents the "Secondary Channel Offset element"
 834  */
 835 struct ieee80211_sec_chan_offs_ie {
 836         u8 sec_chan_offs;
 837 } __packed;
 838
 839 /**
 840  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 841  *
 842  * This structure represents the "Mesh Channel Switch Paramters element"
 843  */
 844 struct ieee80211_mesh_chansw_params_ie {
 845         u8 mesh_ttl;
 846         u8 mesh_flags;
 847         __le16 mesh_reason;
 848         __le16 mesh_pre_value;
 849 } __packed;
 850
 851 /**
 852  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 853  */
 854 struct ieee80211_wide_bw_chansw_ie {
 855         u8 new_channel_width;
 856         u8 new_center_freq_seg0, new_center_freq_seg1;
 857 } __packed;
 858
 859 /**
 860  * struct ieee80211_tim
 861  *
 862  * This structure refers to "Traffic Indication Map information element"
 863  */
 864 struct ieee80211_tim_ie {
 865         u8 dtim_count;
 866         u8 dtim_period;
 867         u8 bitmap_ctrl;
 868         /* variable size: 1 - 251 bytes */
 869         u8 virtual_map[1];
 870 } __packed;
 871
 872 /**
 873  * struct ieee80211_meshconf_ie
 874  *
 875  * This structure refers to "Mesh Configuration information element"
 876  */
 877 struct ieee80211_meshconf_ie {
 878         u8 meshconf_psel;
 879         u8 meshconf_pmetric;
 880         u8 meshconf_congest;
 881         u8 meshconf_synch;
 882         u8 meshconf_auth;
 883         u8 meshconf_form;
 884         u8 meshconf_cap;
 885 } __packed;
 886
 887 /**
 888  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 889  *
 890  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 891  *      additional mesh peerings with other mesh STAs
 892  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 893  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 894  *      is ongoing
 895  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 896  *      neighbors in deep sleep mode
 897  */
 898 enum mesh_config_capab_flags {
 899         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 900         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 901         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 902         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 903 };
 904
 905 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 906
 907 /**
 908  * mesh channel switch parameters element's flag indicator
 909  *
 910  */
 911 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 912 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 913 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 914
 915 /**
 916  * struct ieee80211_rann_ie
 917  *
 918  * This structure refers to "Root Announcement information element"
 919  */
 920 struct ieee80211_rann_ie {
 921         u8 rann_flags;
 922         u8 rann_hopcount;
 923         u8 rann_ttl;
 924         u8 rann_addr[ETH_ALEN];
 925         __le32 rann_seq;
 926         __le32 rann_interval;
 927         __le32 rann_metric;
 928 } __packed;
 929
 930 enum ieee80211_rann_flags {
 931         RANN_FLAG_IS_GATE = 1 << 0,
 932 };
 933
 934 enum ieee80211_ht_chanwidth_values {
 935         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 936         IEEE80211_HT_CHANWIDTH_ANY = 1,
 937 };
 938
 939 /**
 940  * enum ieee80211_opmode_bits - VHT operating mode field bits
 941  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 942  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 943  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 944  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 945  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 946  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
 947  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 948  *      (the NSS value is the value of this field + 1)
 949  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 950  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 951  *      using a beamforming steering matrix
 952  */
 953 enum ieee80211_vht_opmode_bits {
 954         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
 955         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 956         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 957         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 958         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 959         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
 960         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 961         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 962         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 963 };
 964
 965 #define WLAN_SA_QUERY_TR_ID_LEN 2
 966 #define WLAN_MEMBERSHIP_LEN 8
 967 #define WLAN_USER_POSITION_LEN 16
 968
 969 /**
 970  * struct ieee80211_tpc_report_ie
 971  *
 972  * This structure refers to "TPC Report element"
 973  */
 974 struct ieee80211_tpc_report_ie {
 975         u8 tx_power;
 976         u8 link_margin;
 977 } __packed;
 978
 979 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
 980 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
 981 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
 982
 983 struct ieee80211_addba_ext_ie {
 984         u8 data;
 985 } __packed;
 986
 987 /**
 988  * struct ieee80211_s1g_bcn_compat_ie
 989  *
 990  * S1G Beacon Compatibility element
 991  */
 992 struct ieee80211_s1g_bcn_compat_ie {
 993         __le16 compat_info;
 994         __le16 beacon_int;
 995         __le32 tsf_completion;
 996 } __packed;
 997
 998 /**
 999  * struct ieee80211_s1g_oper_ie
1000  *
1001  * S1G Operation element
1002  */
1003 struct ieee80211_s1g_oper_ie {
1004         u8 ch_width;
1005         u8 oper_class;
1006         u8 primary_ch;
1007         u8 oper_ch;
1008         __le16 basic_mcs_nss;
1009 } __packed;
1010
1011 /**
1012  * struct ieee80211_aid_response_ie
1013  *
1014  * AID Response element
1015  */
1016 struct ieee80211_aid_response_ie {
1017         __le16 aid;
1018         u8 switch_count;
1019         __le16 response_int;
1020 } __packed;
1021
1022 struct ieee80211_s1g_cap {
1023         u8 capab_info[10];
1024         u8 supp_mcs_nss[5];
1025 } __packed;
1026
1027 struct ieee80211_ext {
1028         __le16 frame_control;
1029         __le16 duration;
1030         union {
1031                 struct {
1032                         u8 sa[ETH_ALEN];
1033                         __le32 timestamp;
1034                         u8 change_seq;
1035                         u8 variable[0];
1036                 } __packed s1g_beacon;
1037         } u;
1038 } __packed __aligned(2);
1039
1040 struct ieee80211_mgmt {
1041         __le16 frame_control;
1042         __le16 duration;
1043         u8 da[ETH_ALEN];
1044         u8 sa[ETH_ALEN];
1045         u8 bssid[ETH_ALEN];
1046         __le16 seq_ctrl;
1047         union {
1048                 struct {
1049                         __le16 auth_alg;
1050                         __le16 auth_transaction;
1051                         __le16 status_code;
1052                         /* possibly followed by Challenge text */
1053                         u8 variable[0];
1054                 } __packed auth;
1055                 struct {
1056                         __le16 reason_code;
1057                 } __packed deauth;
1058                 struct {
1059                         __le16 capab_info;
1060                         __le16 listen_interval;
1061                         /* followed by SSID and Supported rates */
1062                         u8 variable[0];
1063                 } __packed assoc_req;
1064                 struct {
1065                         __le16 capab_info;
1066                         __le16 status_code;
1067                         __le16 aid;
1068                         /* followed by Supported rates */
1069                         u8 variable[0];
1070                 } __packed assoc_resp, reassoc_resp;
1071                 struct {
1072                         __le16 capab_info;
1073                         __le16 listen_interval;
1074                         u8 current_ap[ETH_ALEN];
1075                         /* followed by SSID and Supported rates */
1076                         u8 variable[0];
1077                 } __packed reassoc_req;
1078                 struct {
1079                         __le16 reason_code;
1080                 } __packed disassoc;
1081                 struct {
1082                         __le64 timestamp;
1083                         __le16 beacon_int;
1084                         __le16 capab_info;
1085                         /* followed by some of SSID, Supported rates,
1086                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1087                         u8 variable[0];
1088                 } __packed beacon;
1089                 struct {
1090                         /* only variable items: SSID, Supported rates */
1091                         u8 variable[0];
1092                 } __packed probe_req;
1093                 struct {
1094                         __le64 timestamp;
1095                         __le16 beacon_int;
1096                         __le16 capab_info;
1097                         /* followed by some of SSID, Supported rates,
1098                          * FH Params, DS Params, CF Params, IBSS Params */
1099                         u8 variable[0];
1100                 } __packed probe_resp;
1101                 struct {
1102                         u8 category;
1103                         union {
1104                                 struct {
1105                                         u8 action_code;
1106                                         u8 dialog_token;
1107                                         u8 status_code;
1108                                         u8 variable[0];
1109                                 } __packed wme_action;
1110                                 struct{
1111                                         u8 action_code;
1112                                         u8 variable[0];
1113                                 } __packed chan_switch;
1114                                 struct{
1115                                         u8 action_code;
1116                                         struct ieee80211_ext_chansw_ie data;
1117                                         u8 variable[0];
1118                                 } __packed ext_chan_switch;
1119                                 struct{
1120                                         u8 action_code;
1121                                         u8 dialog_token;
1122                                         u8 element_id;
1123                                         u8 length;
1124                                         struct ieee80211_msrment_ie msr_elem;
1125                                 } __packed measurement;
1126                                 struct{
1127                                         u8 action_code;
1128                                         u8 dialog_token;
1129                                         __le16 capab;
1130                                         __le16 timeout;
1131                                         __le16 start_seq_num;
1132                                         /* followed by BA Extension */
1133                                         u8 variable[0];
1134                                 } __packed addba_req;
1135                                 struct{
1136                                         u8 action_code;
1137                                         u8 dialog_token;
1138                                         __le16 status;
1139                                         __le16 capab;
1140                                         __le16 timeout;
1141                                 } __packed addba_resp;
1142                                 struct{
1143                                         u8 action_code;
1144                                         __le16 params;
1145                                         __le16 reason_code;
1146                                 } __packed delba;
1147                                 struct {
1148                                         u8 action_code;
1149                                         u8 variable[0];
1150                                 } __packed self_prot;
1151                                 struct{
1152                                         u8 action_code;
1153                                         u8 variable[0];
1154                                 } __packed mesh_action;
1155                                 struct {
1156                                         u8 action;
1157                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1158                                 } __packed sa_query;
1159                                 struct {
1160                                         u8 action;
1161                                         u8 smps_control;
1162                                 } __packed ht_smps;
1163                                 struct {
1164                                         u8 action_code;
1165                                         u8 chanwidth;
1166                                 } __packed ht_notify_cw;
1167                                 struct {
1168                                         u8 action_code;
1169                                         u8 dialog_token;
1170                                         __le16 capability;
1171                                         u8 variable[0];
1172                                 } __packed tdls_discover_resp;
1173                                 struct {
1174                                         u8 action_code;
1175                                         u8 operating_mode;
1176                                 } __packed vht_opmode_notif;
1177                                 struct {
1178                                         u8 action_code;
1179                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1180                                         u8 position[WLAN_USER_POSITION_LEN];
1181                                 } __packed vht_group_notif;
1182                                 struct {
1183                                         u8 action_code;
1184                                         u8 dialog_token;
1185                                         u8 tpc_elem_id;
1186                                         u8 tpc_elem_length;
1187                                         struct ieee80211_tpc_report_ie tpc;
1188                                 } __packed tpc_report;
1189                                 struct {
1190                                         u8 action_code;
1191                                         u8 dialog_token;
1192                                         u8 follow_up;
1193                                         u8 tod[6];
1194                                         u8 toa[6];
1195                                         __le16 tod_error;
1196                                         __le16 toa_error;
1197                                         u8 variable[0];
1198                                 } __packed ftm;
1199                         } u;
1200                 } __packed action;
1201         } u;
1202 } __packed __aligned(2);
1203
1204 /* Supported rates membership selectors */
1205 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1206 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1207 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1208
1209 /* mgmt header + 1 byte category code */
1210 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1211
1212
1213 /* Management MIC information element (IEEE 802.11w) */
1214 struct ieee80211_mmie {
1215         u8 element_id;
1216         u8 length;
1217         __le16 key_id;
1218         u8 sequence_number[6];
1219         u8 mic[8];
1220 } __packed;
1221
1222 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1223 struct ieee80211_mmie_16 {
1224         u8 element_id;
1225         u8 length;
1226         __le16 key_id;
1227         u8 sequence_number[6];
1228         u8 mic[16];
1229 } __packed;
1230
1231 struct ieee80211_vendor_ie {
1232         u8 element_id;
1233         u8 len;
1234         u8 oui[3];
1235         u8 oui_type;
1236 } __packed;
1237
1238 struct ieee80211_wmm_ac_param {
1239         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1240         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1241         __le16 txop_limit;
1242 } __packed;
1243
1244 struct ieee80211_wmm_param_ie {
1245         u8 element_id; /* Element ID: 221 (0xdd); */
1246         u8 len; /* Length: 24 */
1247         /* required fields for WMM version 1 */
1248         u8 oui[3]; /* 00:50:f2 */
1249         u8 oui_type; /* 2 */
1250         u8 oui_subtype; /* 1 */
1251         u8 version; /* 1 for WMM version 1.0 */
1252         u8 qos_info; /* AP/STA specific QoS info */
1253         u8 reserved; /* 0 */
1254         /* AC_BE, AC_BK, AC_VI, AC_VO */
1255         struct ieee80211_wmm_ac_param ac[4];
1256 } __packed;
1257
1258 /* Control frames */
1259 struct ieee80211_rts {
1260         __le16 frame_control;
1261         __le16 duration;
1262         u8 ra[ETH_ALEN];
1263         u8 ta[ETH_ALEN];
1264 } __packed __aligned(2);
1265
1266 struct ieee80211_cts {
1267         __le16 frame_control;
1268         __le16 duration;
1269         u8 ra[ETH_ALEN];
1270 } __packed __aligned(2);
1271
1272 struct ieee80211_pspoll {
1273         __le16 frame_control;
1274         __le16 aid;
1275         u8 bssid[ETH_ALEN];
1276         u8 ta[ETH_ALEN];
1277 } __packed __aligned(2);
1278
1279 /* TDLS */
1280
1281 /* Channel switch timing */
1282 struct ieee80211_ch_switch_timing {
1283         __le16 switch_time;
1284         __le16 switch_timeout;
1285 } __packed;
1286
1287 /* Link-id information element */
1288 struct ieee80211_tdls_lnkie {
1289         u8 ie_type; /* Link Identifier IE */
1290         u8 ie_len;
1291         u8 bssid[ETH_ALEN];
1292         u8 init_sta[ETH_ALEN];
1293         u8 resp_sta[ETH_ALEN];
1294 } __packed;
1295
1296 struct ieee80211_tdls_data {
1297         u8 da[ETH_ALEN];
1298         u8 sa[ETH_ALEN];
1299         __be16 ether_type;
1300         u8 payload_type;
1301         u8 category;
1302         u8 action_code;
1303         union {
1304                 struct {
1305                         u8 dialog_token;
1306                         __le16 capability;
1307                         u8 variable[0];
1308                 } __packed setup_req;
1309                 struct {
1310                         __le16 status_code;
1311                         u8 dialog_token;
1312                         __le16 capability;
1313                         u8 variable[0];
1314                 } __packed setup_resp;
1315                 struct {
1316                         __le16 status_code;
1317                         u8 dialog_token;
1318                         u8 variable[0];
1319                 } __packed setup_cfm;
1320                 struct {
1321                         __le16 reason_code;
1322                         u8 variable[0];
1323                 } __packed teardown;
1324                 struct {
1325                         u8 dialog_token;
1326                         u8 variable[0];
1327                 } __packed discover_req;
1328                 struct {
1329                         u8 target_channel;
1330                         u8 oper_class;
1331                         u8 variable[0];
1332                 } __packed chan_switch_req;
1333                 struct {
1334                         __le16 status_code;
1335                         u8 variable[0];
1336                 } __packed chan_switch_resp;
1337         } u;
1338 } __packed;
1339
1340 /*
1341  * Peer-to-Peer IE attribute related definitions.
1342  */
1343 /**
1344  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1345  */
1346 enum ieee80211_p2p_attr_id {
1347         IEEE80211_P2P_ATTR_STATUS = 0,
1348         IEEE80211_P2P_ATTR_MINOR_REASON,
1349         IEEE80211_P2P_ATTR_CAPABILITY,
1350         IEEE80211_P2P_ATTR_DEVICE_ID,
1351         IEEE80211_P2P_ATTR_GO_INTENT,
1352         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1353         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1354         IEEE80211_P2P_ATTR_GROUP_BSSID,
1355         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1356         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1357         IEEE80211_P2P_ATTR_MANAGABILITY,
1358         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1359         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1360         IEEE80211_P2P_ATTR_DEVICE_INFO,
1361         IEEE80211_P2P_ATTR_GROUP_INFO,
1362         IEEE80211_P2P_ATTR_GROUP_ID,
1363         IEEE80211_P2P_ATTR_INTERFACE,
1364         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1365         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1366         /* 19 - 220: Reserved */
1367         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1368
1369         IEEE80211_P2P_ATTR_MAX
1370 };
1371
1372 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1373 /* Typical max value used here */
1374 #define IEEE80211_P2P_NOA_DESC_MAX      4
1375
1376 struct ieee80211_p2p_noa_desc {
1377         u8 count;
1378         __le32 duration;
1379         __le32 interval;
1380         __le32 start_time;
1381 } __packed;
1382
1383 struct ieee80211_p2p_noa_attr {
1384         u8 index;
1385         u8 oppps_ctwindow;
1386         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1387 } __packed;
1388
1389 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1390 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1391
1392 /**
1393  * struct ieee80211_bar - HT Block Ack Request
1394  *
1395  * This structure refers to "HT BlockAckReq" as
1396  * described in 802.11n draft section 7.2.1.7.1
1397  */
1398 struct ieee80211_bar {
1399         __le16 frame_control;
1400         __le16 duration;
1401         __u8 ra[ETH_ALEN];
1402         __u8 ta[ETH_ALEN];
1403         __le16 control;
1404         __le16 start_seq_num;
1405 } __packed;
1406
1407 /* 802.11 BAR control masks */
1408 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1409 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1410 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1411 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1412 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1413
1414 #define IEEE80211_HT_MCS_MASK_LEN               10
1415
1416 /**
1417  * struct ieee80211_mcs_info - MCS information
1418  * @rx_mask: RX mask
1419  * @rx_highest: highest supported RX rate. If set represents
1420  *      the highest supported RX data rate in units of 1 Mbps.
1421  *      If this field is 0 this value should not be used to
1422  *      consider the highest RX data rate supported.
1423  * @tx_params: TX parameters
1424  */
1425 struct ieee80211_mcs_info {
1426         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1427         __le16 rx_highest;
1428         u8 tx_params;
1429         u8 reserved[3];
1430 } __packed;
1431
1432 /* 802.11n HT capability MSC set */
1433 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1434 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1435 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1436 /* value 0 == 1 stream etc */
1437 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1438 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1439 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1440 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1441
1442 /*
1443  * 802.11n D5.0 20.3.5 / 20.6 says:
1444  * - indices 0 to 7 and 32 are single spatial stream
1445  * - 8 to 31 are multiple spatial streams using equal modulation
1446  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1447  * - remainder are multiple spatial streams using unequal modulation
1448  */
1449 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1450 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1451         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1452
1453 /**
1454  * struct ieee80211_ht_cap - HT capabilities
1455  *
1456  * This structure is the "HT capabilities element" as
1457  * described in 802.11n D5.0 7.3.2.57
1458  */
1459 struct ieee80211_ht_cap {
1460         __le16 cap_info;
1461         u8 ampdu_params_info;
1462
1463         /* 16 bytes MCS information */
1464         struct ieee80211_mcs_info mcs;
1465
1466         __le16 extended_ht_cap_info;
1467         __le32 tx_BF_cap_info;
1468         u8 antenna_selection_info;
1469 } __packed;
1470
1471 /* 802.11n HT capabilities masks (for cap_info) */
1472 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1473 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1474 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1475 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1476 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1477 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1478 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1479 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1480 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1481 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1482 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1483 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1484 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1485 #define IEEE80211_HT_CAP_RESERVED               0x2000
1486 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1487 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1488
1489 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1490 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1491 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1492 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1493 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1494 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1495 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1496 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1497
1498 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1499 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1500 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1501 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1502
1503 /*
1504  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1505  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1506  */
1507 enum ieee80211_max_ampdu_length_exp {
1508         IEEE80211_HT_MAX_AMPDU_8K = 0,
1509         IEEE80211_HT_MAX_AMPDU_16K = 1,
1510         IEEE80211_HT_MAX_AMPDU_32K = 2,
1511         IEEE80211_HT_MAX_AMPDU_64K = 3
1512 };
1513
1514 /*
1515  * Maximum length of AMPDU that the STA can receive in VHT.
1516  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1517  */
1518 enum ieee80211_vht_max_ampdu_length_exp {
1519         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1520         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1521         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1522         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1523         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1524         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1525         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1526         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1527 };
1528
1529 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1530
1531 /* Minimum MPDU start spacing */
1532 enum ieee80211_min_mpdu_spacing {
1533         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1534         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1535         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1536         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1537         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1538         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1539         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1540         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1541 };
1542
1543 /**
1544  * struct ieee80211_ht_operation - HT operation IE
1545  *
1546  * This structure is the "HT operation element" as
1547  * described in 802.11n-2009 7.3.2.57
1548  */
1549 struct ieee80211_ht_operation {
1550         u8 primary_chan;
1551         u8 ht_param;
1552         __le16 operation_mode;
1553         __le16 stbc_param;
1554         u8 basic_set[16];
1555 } __packed;
1556
1557 /* for ht_param */
1558 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1559 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1560 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1561 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1562 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1563 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1564
1565 /* for operation_mode */
1566 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1567 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1568 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1569 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1570 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1571 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1572 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1573 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1574 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1575
1576 /* for stbc_param */
1577 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1578 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1579 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1580 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1581 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1582 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1583
1584
1585 /* block-ack parameters */
1586 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1587 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1588 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1589 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1590 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1591 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1592
1593 /*
1594  * A-MPDU buffer sizes
1595  * According to HT size varies from 8 to 64 frames
1596  * HE adds the ability to have up to 256 frames.
1597  */
1598 #define IEEE80211_MIN_AMPDU_BUF         0x8
1599 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1600 #define IEEE80211_MAX_AMPDU_BUF         0x100
1601
1602
1603 /* Spatial Multiplexing Power Save Modes (for capability) */
1604 #define WLAN_HT_CAP_SM_PS_STATIC        0
1605 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1606 #define WLAN_HT_CAP_SM_PS_INVALID       2
1607 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1608
1609 /* for SM power control field lower two bits */
1610 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1611 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1612 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1613
1614 /**
1615  * struct ieee80211_vht_mcs_info - VHT MCS information
1616  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1617  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1618  *      STA can receive. Rate expressed in units of 1 Mbps.
1619  *      If this field is 0 this value should not be used to
1620  *      consider the highest RX data rate supported.
1621  *      The top 3 bits of this field indicate the Maximum NSTS,total
1622  *      (a beamformee capability.)
1623  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1624  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1625  *      STA can transmit. Rate expressed in units of 1 Mbps.
1626  *      If this field is 0 this value should not be used to
1627  *      consider the highest TX data rate supported.
1628  *      The top 2 bits of this field are reserved, the
1629  *      3rd bit from the top indiciates VHT Extended NSS BW
1630  *      Capability.
1631  */
1632 struct ieee80211_vht_mcs_info {
1633         __le16 rx_mcs_map;
1634         __le16 rx_highest;
1635         __le16 tx_mcs_map;
1636         __le16 tx_highest;
1637 } __packed;
1638
1639 /* for rx_highest */
1640 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1641 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1642
1643 /* for tx_highest */
1644 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1645
1646 /**
1647  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1648  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1649  *      number of streams
1650  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1651  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1652  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1653  *
1654  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1655  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1656  * both split into 8 subfields by number of streams. These values indicate
1657  * which MCSes are supported for the number of streams the value appears
1658  * for.
1659  */
1660 enum ieee80211_vht_mcs_support {
1661         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1662         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1663         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1664         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1665 };
1666
1667 /**
1668  * struct ieee80211_vht_cap - VHT capabilities
1669  *
1670  * This structure is the "VHT capabilities element" as
1671  * described in 802.11ac D3.0 8.4.2.160
1672  * @vht_cap_info: VHT capability info
1673  * @supp_mcs: VHT MCS supported rates
1674  */
1675 struct ieee80211_vht_cap {
1676         __le32 vht_cap_info;
1677         struct ieee80211_vht_mcs_info supp_mcs;
1678 } __packed;
1679
1680 /**
1681  * enum ieee80211_vht_chanwidth - VHT channel width
1682  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1683  *      determine the channel width (20 or 40 MHz)
1684  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1685  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1686  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1687  */
1688 enum ieee80211_vht_chanwidth {
1689         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1690         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1691         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1692         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1693 };
1694
1695 /**
1696  * struct ieee80211_vht_operation - VHT operation IE
1697  *
1698  * This structure is the "VHT operation element" as
1699  * described in 802.11ac D3.0 8.4.2.161
1700  * @chan_width: Operating channel width
1701  * @center_freq_seg0_idx: center freq segment 0 index
1702  * @center_freq_seg1_idx: center freq segment 1 index
1703  * @basic_mcs_set: VHT Basic MCS rate set
1704  */
1705 struct ieee80211_vht_operation {
1706         u8 chan_width;
1707         u8 center_freq_seg0_idx;
1708         u8 center_freq_seg1_idx;
1709         __le16 basic_mcs_set;
1710 } __packed;
1711
1712 /**
1713  * struct ieee80211_he_cap_elem - HE capabilities element
1714  *
1715  * This structure is the "HE capabilities element" fixed fields as
1716  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1717  */
1718 struct ieee80211_he_cap_elem {
1719         u8 mac_cap_info[6];
1720         u8 phy_cap_info[11];
1721 } __packed;
1722
1723 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1724
1725 /**
1726  * enum ieee80211_he_mcs_support - HE MCS support definitions
1727  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1728  *      number of streams
1729  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1730  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1731  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1732  *
1733  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1734  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1735  * both split into 8 subfields by number of streams. These values indicate
1736  * which MCSes are supported for the number of streams the value appears
1737  * for.
1738  */
1739 enum ieee80211_he_mcs_support {
1740         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1741         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1742         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1743         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1744 };
1745
1746 /**
1747  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1748  *
1749  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1750  * described in P802.11ax_D2.0 section 9.4.2.237.4
1751  *
1752  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1753  *     widths less than 80MHz.
1754  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1755  *     widths less than 80MHz.
1756  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1757  *     width 160MHz.
1758  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1759  *     width 160MHz.
1760  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1761  *     channel width 80p80MHz.
1762  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1763  *     channel width 80p80MHz.
1764  */
1765 struct ieee80211_he_mcs_nss_supp {
1766         __le16 rx_mcs_80;
1767         __le16 tx_mcs_80;
1768         __le16 rx_mcs_160;
1769         __le16 tx_mcs_160;
1770         __le16 rx_mcs_80p80;
1771         __le16 tx_mcs_80p80;
1772 } __packed;
1773
1774 /**
1775  * struct ieee80211_he_operation - HE capabilities element
1776  *
1777  * This structure is the "HE operation element" fields as
1778  * described in P802.11ax_D4.0 section 9.4.2.243
1779  */
1780 struct ieee80211_he_operation {
1781         __le32 he_oper_params;
1782         __le16 he_mcs_nss_set;
1783         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1784         u8 optional[];
1785 } __packed;
1786
1787 /**
1788  * struct ieee80211_he_spr - HE spatial reuse element
1789  *
1790  * This structure is the "HE spatial reuse element" element as
1791  * described in P802.11ax_D4.0 section 9.4.2.241
1792  */
1793 struct ieee80211_he_spr {
1794         u8 he_sr_control;
1795         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1796         u8 optional[];
1797 } __packed;
1798
1799 /**
1800  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1801  *
1802  * This structure is the "MU AC Parameter Record" fields as
1803  * described in P802.11ax_D4.0 section 9.4.2.245
1804  */
1805 struct ieee80211_he_mu_edca_param_ac_rec {
1806         u8 aifsn;
1807         u8 ecw_min_max;
1808         u8 mu_edca_timer;
1809 } __packed;
1810
1811 /**
1812  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1813  *
1814  * This structure is the "MU EDCA Parameter Set element" fields as
1815  * described in P802.11ax_D4.0 section 9.4.2.245
1816  */
1817 struct ieee80211_mu_edca_param_set {
1818         u8 mu_qos_info;
1819         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1820         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1821         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1822         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1823 } __packed;
1824
1825 /* 802.11ac VHT Capabilities */
1826 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1827 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1828 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1829 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1830 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1831 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1832 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1833 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1834 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1835 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1836 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1837 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1838 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1839 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1840 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1841 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1842 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1843 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1844 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1845 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1846 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1847 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1848                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1849 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1850 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1851                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1852 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1853 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1854 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1855 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1856 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1857 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1858                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1859 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1860 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1861 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1862 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1863 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1864 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1865
1866 /**
1867  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1868  * @cap: VHT capabilities of the peer
1869  * @bw: bandwidth to use
1870  * @mcs: MCS index to use
1871  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1872  *      (rate scaling algorithm) can deal with the new logic
1873  *      (dot11VHTExtendedNSSBWCapable)
1874  * @max_vht_nss: current maximum NSS as advertised by the STA in
1875  *      operating mode notification, can be 0 in which case the
1876  *      capability data will be used to derive this (from MCS support)
1877  *
1878  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1879  * vary for a given BW/MCS. This function parses the data.
1880  *
1881  * Note: This function is exported by cfg80211.
1882  */
1883 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1884                               enum ieee80211_vht_chanwidth bw,
1885                               int mcs, bool ext_nss_bw_capable,
1886                               unsigned int max_vht_nss);
1887
1888 /* 802.11ax HE MAC capabilities */
1889 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1890 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1891 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1892 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1893 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1894 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1895 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1896 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1897 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1898 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1899 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1900 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1901 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1902 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1903 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1904 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1905 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1906
1907 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1908 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1909 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1910 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1911 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1912 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1913 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1914 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1915 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1916 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1917 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1918 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1919 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1920 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1921 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1922 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1923 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1924 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1925
1926 /* Link adaptation is split between byte HE_MAC_CAP1 and
1927  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1928  * in which case the following values apply:
1929  * 0 = No feedback.
1930  * 1 = reserved.
1931  * 2 = Unsolicited feedback.
1932  * 3 = both
1933  */
1934 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1935
1936 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1937 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1938 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1939 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1940 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1941 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1942 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1943 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1944
1945 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1946 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1947
1948 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1949  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1950  * same field in the HE capabilities.
1951  */
1952 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1953 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1954 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1955 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1956 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1957 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1958 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1959 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1960
1961 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT           3
1962
1963 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1964 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1965 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1966 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1967 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1968 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1969 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1970 /* Multi TID agg TX is split between byte #4 and #5
1971  * The value is a combination of B39,B40,B41
1972  */
1973 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1974
1975 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1976 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1977 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1978 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1979 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1980 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1981 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1982 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1983
1984 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
1985 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
1986
1987 /* 802.11ax HE PHY capabilities */
1988 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1989 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1990 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1991 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1992 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1993 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1994 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1995
1996 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1997 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1998 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1999 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2000 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2001 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2002 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2003 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2004 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2005 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2006
2007 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2008 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2009 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2010 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2011 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2012 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2013
2014 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2015  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2016  * case it indicates support for Tx.
2017  */
2018 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2019 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2020
2021 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2022 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2023 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2024 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2025 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2026 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2027 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2028 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2029 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2030 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2031 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2032 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2033 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2034 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2035 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
2036 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2037
2038 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2039 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2040
2041 /* Minimal allowed value of Max STS under 80MHz is 3 */
2042 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2043 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2044 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2045 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2046 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2047 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2048
2049 /* Minimal allowed value of Max STS above 80MHz is 3 */
2050 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2051 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2052 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2053 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2054 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2055 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2056
2057 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2058 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2059 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2060 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2061 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2062 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2063 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2064 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2065 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2066
2067 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2068 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2069 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2070 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2071 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2072 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2073 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2074 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2075 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2076
2077 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2078 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2079
2080 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2081 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2082 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
2083 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
2084 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2085 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2086 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2087 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2088
2089 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
2090 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
2091 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2092 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2093 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2094 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2095 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2096 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2097 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2098 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2099 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2100 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2101 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2102
2103 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2104 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2105 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2106 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2107 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2108 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2109 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2110 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2111 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2112 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2113 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2114
2115 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2116 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2117 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2118 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2119 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2120 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2121 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
2122 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
2123 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
2124 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
2125 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
2126
2127 /* 802.11ax HE TX/RX MCS NSS Support  */
2128 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2129 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2130 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2131 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2132 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2133
2134 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2135 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2136         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2137         HIGHEST_MCS_SUPPORTED_MCS8,
2138         HIGHEST_MCS_SUPPORTED_MCS9,
2139         HIGHEST_MCS_SUPPORTED_MCS10,
2140         HIGHEST_MCS_SUPPORTED_MCS11,
2141 };
2142
2143 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2144 static inline u8
2145 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2146 {
2147         u8 count = 4;
2148
2149         if (he_cap->phy_cap_info[0] &
2150             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2151                 count += 4;
2152
2153         if (he_cap->phy_cap_info[0] &
2154             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2155                 count += 4;
2156
2157         return count;
2158 }
2159
2160 /* 802.11ax HE PPE Thresholds */
2161 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2162 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2163 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2164 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2165         (BIT(5) | BIT(6))
2166 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2167 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2168 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2169
2170 /*
2171  * Calculate 802.11ax HE capabilities IE PPE field size
2172  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2173  */
2174 static inline u8
2175 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2176 {
2177         u8 n;
2178
2179         if ((phy_cap_info[6] &
2180              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2181                 return 0;
2182
2183         n = hweight8(ppe_thres_hdr &
2184                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2185         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2186                    IEEE80211_PPE_THRES_NSS_POS));
2187
2188         /*
2189          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2190          * total size.
2191          */
2192         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2193         n = DIV_ROUND_UP(n, 8);
2194
2195         return n;
2196 }
2197
2198 /* HE Operation defines */
2199 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2200 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2201 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2202 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2203 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2204 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2205 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2206 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2207 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2208 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2209 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2210 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2211
2212 /**
2213  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2214  * @primary: primary channel
2215  * @control: control flags
2216  * @ccfs0: channel center frequency segment 0
2217  * @ccfs1: channel center frequency segment 1
2218  * @minrate: minimum rate (in 1 Mbps units)
2219  */
2220 struct ieee80211_he_6ghz_oper {
2221         u8 primary;
2222 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2223 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2224 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2225 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2226 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2227 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2228         u8 control;
2229         u8 ccfs0;
2230         u8 ccfs1;
2231         u8 minrate;
2232 } __packed;
2233
2234 /*
2235  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2236  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2237  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2238  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2239  *      validated this.
2240  * @return the actual size of the IE data (not including header), or 0 on error
2241  */
2242 static inline u8
2243 ieee80211_he_oper_size(const u8 *he_oper_ie)
2244 {
2245         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2246         u8 oper_len = sizeof(struct ieee80211_he_operation);
2247         u32 he_oper_params;
2248
2249         /* Make sure the input is not NULL */
2250         if (!he_oper_ie)
2251                 return 0;
2252
2253         /* Calc required length */
2254         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2255         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2256                 oper_len += 3;
2257         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2258                 oper_len++;
2259         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2260                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2261
2262         /* Add the first byte (extension ID) to the total length */
2263         oper_len++;
2264
2265         return oper_len;
2266 }
2267
2268 /**
2269  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2270  * @he_oper: HE operation element (must be pre-validated for size)
2271  *      but may be %NULL
2272  *
2273  * Return: a pointer to the 6 GHz operation field, or %NULL
2274  */
2275 static inline const struct ieee80211_he_6ghz_oper *
2276 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2277 {
2278         const u8 *ret = (void *)&he_oper->optional;
2279         u32 he_oper_params;
2280
2281         if (!he_oper)
2282                 return NULL;
2283
2284         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2285
2286         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2287                 return NULL;
2288         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2289                 ret += 3;
2290         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2291                 ret++;
2292
2293         return (void *)ret;
2294 }
2295
2296 /* HE Spatial Reuse defines */
2297 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 0x4
2298 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                0x8
2299
2300 /*
2301  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2302  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2303  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2304  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2305  *      this
2306  * @return the actual size of the IE data (not including header), or 0 on error
2307  */
2308 static inline u8
2309 ieee80211_he_spr_size(const u8 *he_spr_ie)
2310 {
2311         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2312         u8 spr_len = sizeof(struct ieee80211_he_spr);
2313         u8 he_spr_params;
2314
2315         /* Make sure the input is not NULL */
2316         if (!he_spr_ie)
2317                 return 0;
2318
2319         /* Calc required length */
2320         he_spr_params = he_spr->he_sr_control;
2321         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2322                 spr_len++;
2323         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2324                 spr_len += 18;
2325
2326         /* Add the first byte (extension ID) to the total length */
2327         spr_len++;
2328
2329         return spr_len;
2330 }
2331
2332 /* S1G Capabilities Information field */
2333 #define S1G_CAPAB_B0_S1G_LONG BIT(0)
2334 #define S1G_CAPAB_B0_SGI_1MHZ BIT(1)
2335 #define S1G_CAPAB_B0_SGI_2MHZ BIT(2)
2336 #define S1G_CAPAB_B0_SGI_4MHZ BIT(3)
2337 #define S1G_CAPAB_B0_SGI_8MHZ BIT(4)
2338 #define S1G_CAPAB_B0_SGI_16MHZ BIT(5)
2339 #define S1G_CAPAB_B0_SUPP_CH_WIDTH_MASK (BIT(6) | BIT(7))
2340 #define S1G_CAPAB_B0_SUPP_CH_WIDTH_SHIFT 6
2341
2342 #define S1G_CAPAB_B1_RX_LDPC BIT(0)
2343 #define S1G_CAPAB_B1_TX_STBC BIT(1)
2344 #define S1G_CAPAB_B1_RX_STBC BIT(2)
2345 #define S1G_CAPAB_B1_SU_BFER BIT(3)
2346 #define S1G_CAPAB_B1_SU_BFEE BIT(4)
2347 #define S1G_CAPAB_B1_BFEE_STS_MASK (BIT(5) | BIT(6) | BIT(7))
2348 #define S1G_CAPAB_B1_BFEE_STS_SHIFT 5
2349
2350 #define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_MASK (BIT(0) | BIT(1) | BIT(2))
2351 #define S1G_CAPAB_B2_SOUNDING_DIMENSIONS_SHIFT 0
2352 #define S1G_CAPAB_B2_MU_BFER BIT(3)
2353 #define S1G_CAPAB_B2_MU_BFEE BIT(4)
2354 #define S1G_CAPAB_B2_PLUS_HTC_VHT BIT(5)
2355 #define S1G_CAPAB_B2_TRAVELING_PILOT_MASK (BIT(6) | BIT(7))
2356 #define S1G_CAPAB_B2_TRAVELING_PILOT_SHIFT 6
2357
2358 #define S1G_CAPAB_B3_RD_RESPONDER BIT(0)
2359 #define S1G_CAPAB_B3_HT_DELAYED_BA BIT(1)
2360 #define S1G_CAPAB_B3_MAX_MPDU_LEN BIT(2)
2361 #define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_MASK (BIT(3) | BIT(4))
2362 #define S1G_CAPAB_B3_MAX_AMPDU_LEN_EXP_SHIFT 3
2363 #define S1G_CAPAB_B3_MIN_MPDU_START_MASK (BIT(5) | BIT(6) | BIT(7))
2364 #define S1G_CAPAB_B3_MIN_MPDU_START_SHIFT 5
2365
2366 #define S1G_CAPAB_B4_UPLINK_SYNC BIT(0)
2367 #define S1G_CAPAB_B4_DYNAMIC_AID BIT(1)
2368 #define S1G_CAPAB_B4_BAT BIT(2)
2369 #define S1G_CAPAB_B4_TIME_ADE BIT(3)
2370 #define S1G_CAPAB_B4_NON_TIM BIT(4)
2371 #define S1G_CAPAB_B4_GROUP_AID BIT(5)
2372 #define S1G_CAPAB_B4_STA_TYPE_MASK (BIT(6) | BIT(7))
2373 #define S1G_CAPAB_B4_STA_TYPE_SHIFT 6
2374
2375 #define S1G_CAPAB_B5_CENT_AUTH_CONTROL BIT(0)
2376 #define S1G_CAPAB_B5_DIST_AUTH_CONTROL BIT(1)
2377 #define S1G_CAPAB_B5_AMSDU BIT(2)
2378 #define S1G_CAPAB_B5_AMPDU BIT(3)
2379 #define S1G_CAPAB_B5_ASYMMETRIC_BA BIT(4)
2380 #define S1G_CAPAB_B5_FLOW_CONTROL BIT(5)
2381 #define S1G_CAPAB_B5_SECTORIZED_BEAM_MASK (BIT(6) | BIT(7))
2382 #define S1G_CAPAB_B5_SECTORIZED_BEAM_SHIFT 6
2383
2384 #define S1G_CAPAB_B6_OBSS_MITIGATION BIT(0)
2385 #define S1G_CAPAB_B6_FRAGMENT_BA BIT(1)
2386 #define S1G_CAPAB_B6_NDP_PS_POLL BIT(2)
2387 #define S1G_CAPAB_B6_RAW_OPERATION BIT(3)
2388 #define S1G_CAPAB_B6_PAGE_SLICING BIT(4)
2389 #define S1G_CAPAB_B6_TXOP_SHARING_IMP_ACK BIT(5)
2390 #define S1G_CAPAB_B6_VHT_LINK_ADAPT_MASK (BIT(6) | BIT(7))
2391 #define S1G_CAPAB_B6_VHT_LINK_ADAPT_SHIFT 6
2392
2393 #define S1G_CAPAB_B7_TACK_AS_PS_POLL BIT(0)
2394 #define S1G_CAPAB_B7_DUP_1MHZ BIT(1)
2395 #define S1G_CAPAB_B7_MCS_NEGOTIATION BIT(2)
2396 #define S1G_CAPAB_B7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2397 #define S1G_CAPAB_B7_NDP_BFING_REPORT_POLL BIT(4)
2398 #define S1G_CAPAB_B7_UNSOLICITED_DYN_AID BIT(5)
2399 #define S1G_CAPAB_B7_SECTOR_TRAINING_OPERATION BIT(6)
2400 #define S1G_CAPAB_B7_TEMP_PS_MODE_SWITCH BIT(7)
2401
2402 #define S1G_CAPAB_B8_TWT_GROUPING BIT(0)
2403 #define S1G_CAPAB_B8_BDT BIT(1)
2404 #define S1G_CAPAB_B8_COLOR_MASK (BIT(2) | BIT(3) | BIT(4))
2405 #define S1G_CAPAB_B8_COLOR_SHIFT 2
2406 #define S1G_CAPAB_B8_TWT_REQUEST BIT(5)
2407 #define S1G_CAPAB_B8_TWT_RESPOND BIT(6)
2408 #define S1G_CAPAB_B8_PV1_FRAME BIT(7)
2409
2410 #define S1G_CAPAB_B9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2411
2412 /* Authentication algorithms */
2413 #define WLAN_AUTH_OPEN 0
2414 #define WLAN_AUTH_SHARED_KEY 1
2415 #define WLAN_AUTH_FT 2
2416 #define WLAN_AUTH_SAE 3
2417 #define WLAN_AUTH_FILS_SK 4
2418 #define WLAN_AUTH_FILS_SK_PFS 5
2419 #define WLAN_AUTH_FILS_PK 6
2420 #define WLAN_AUTH_LEAP 128
2421
2422 #define WLAN_AUTH_CHALLENGE_LEN 128
2423
2424 #define WLAN_CAPABILITY_ESS             (1<<0)
2425 #define WLAN_CAPABILITY_IBSS            (1<<1)
2426
2427 /*
2428  * A mesh STA sets the ESS and IBSS capability bits to zero.
2429  * however, this holds true for p2p probe responses (in the p2p_find
2430  * phase) as well.
2431  */
2432 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2433         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2434
2435 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2436 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2437 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2438 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2439 #define WLAN_CAPABILITY_PBCC            (1<<6)
2440 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2441
2442 /* 802.11h */
2443 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2444 #define WLAN_CAPABILITY_QOS             (1<<9)
2445 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2446 #define WLAN_CAPABILITY_APSD            (1<<11)
2447 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2448 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2449 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2450 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2451
2452 /* DMG (60gHz) 802.11ad */
2453 /* type - bits 0..1 */
2454 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2455 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2456 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2457 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2458
2459 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2460 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2461 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2462 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2463
2464 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2465 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2466
2467 /* measurement */
2468 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2469 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2470 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2471
2472 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2473 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2474 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2475 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2476 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2477
2478 /* 802.11g ERP information element */
2479 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2480 #define WLAN_ERP_USE_PROTECTION (1<<1)
2481 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2482
2483 /* WLAN_ERP_BARKER_PREAMBLE values */
2484 enum {
2485         WLAN_ERP_PREAMBLE_SHORT = 0,
2486         WLAN_ERP_PREAMBLE_LONG = 1,
2487 };
2488
2489 /* Band ID, 802.11ad #8.4.1.45 */
2490 enum {
2491         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2492         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2493         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2494         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2495         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2496         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2497 };
2498
2499 /* Status codes */
2500 enum ieee80211_statuscode {
2501         WLAN_STATUS_SUCCESS = 0,
2502         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2503         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2504         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2505         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2506         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2507         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2508         WLAN_STATUS_CHALLENGE_FAIL = 15,
2509         WLAN_STATUS_AUTH_TIMEOUT = 16,
2510         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2511         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2512         /* 802.11b */
2513         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2514         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2515         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2516         /* 802.11h */
2517         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2518         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2519         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2520         /* 802.11g */
2521         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2522         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2523         /* 802.11w */
2524         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2525         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2526         /* 802.11i */
2527         WLAN_STATUS_INVALID_IE = 40,
2528         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2529         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2530         WLAN_STATUS_INVALID_AKMP = 43,
2531         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2532         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2533         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2534         /* 802.11e */
2535         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2536         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2537         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2538         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2539         WLAN_STATUS_REQUEST_DECLINED = 37,
2540         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2541         WLAN_STATUS_CHANGE_TSPEC = 39,
2542         WLAN_STATUS_WAIT_TS_DELAY = 47,
2543         WLAN_STATUS_NO_DIRECT_LINK = 48,
2544         WLAN_STATUS_STA_NOT_PRESENT = 49,
2545         WLAN_STATUS_STA_NOT_QSTA = 50,
2546         /* 802.11s */
2547         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2548         WLAN_STATUS_FCG_NOT_SUPP = 78,
2549         WLAN_STATUS_STA_NO_TBTT = 78,
2550         /* 802.11ad */
2551         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2552         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2553         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2554         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2555         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2556         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2557         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2558         WLAN_STATUS_REJECT_DSE_BAND = 96,
2559         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2560         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2561         /* 802.11ai */
2562         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2563         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2564         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
2565         WLAN_STATUS_SAE_PK = 127,
2566 };
2567
2568
2569 /* Reason codes */
2570 enum ieee80211_reasoncode {
2571         WLAN_REASON_UNSPECIFIED = 1,
2572         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2573         WLAN_REASON_DEAUTH_LEAVING = 3,
2574         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2575         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2576         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2577         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2578         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2579         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2580         /* 802.11h */
2581         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2582         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2583         /* 802.11i */
2584         WLAN_REASON_INVALID_IE = 13,
2585         WLAN_REASON_MIC_FAILURE = 14,
2586         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2587         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2588         WLAN_REASON_IE_DIFFERENT = 17,
2589         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2590         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2591         WLAN_REASON_INVALID_AKMP = 20,
2592         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2593         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2594         WLAN_REASON_IEEE8021X_FAILED = 23,
2595         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2596         /* TDLS (802.11z) */
2597         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2598         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2599         /* 802.11e */
2600         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2601         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2602         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2603         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2604         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2605         WLAN_REASON_QSTA_NOT_USE = 37,
2606         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2607         WLAN_REASON_QSTA_TIMEOUT = 39,
2608         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2609         /* 802.11s */
2610         WLAN_REASON_MESH_PEER_CANCELED = 52,
2611         WLAN_REASON_MESH_MAX_PEERS = 53,
2612         WLAN_REASON_MESH_CONFIG = 54,
2613         WLAN_REASON_MESH_CLOSE = 55,
2614         WLAN_REASON_MESH_MAX_RETRIES = 56,
2615         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2616         WLAN_REASON_MESH_INVALID_GTK = 58,
2617         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2618         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2619         WLAN_REASON_MESH_PATH_ERROR = 61,
2620         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2621         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2622         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2623         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2624         WLAN_REASON_MESH_CHAN = 66,
2625 };
2626
2627
2628 /* Information Element IDs */
2629 enum ieee80211_eid {
2630         WLAN_EID_SSID = 0,
2631         WLAN_EID_SUPP_RATES = 1,
2632         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2633         WLAN_EID_DS_PARAMS = 3,
2634         WLAN_EID_CF_PARAMS = 4,
2635         WLAN_EID_TIM = 5,
2636         WLAN_EID_IBSS_PARAMS = 6,
2637         WLAN_EID_COUNTRY = 7,
2638         /* 8, 9 reserved */
2639         WLAN_EID_REQUEST = 10,
2640         WLAN_EID_QBSS_LOAD = 11,
2641         WLAN_EID_EDCA_PARAM_SET = 12,
2642         WLAN_EID_TSPEC = 13,
2643         WLAN_EID_TCLAS = 14,
2644         WLAN_EID_SCHEDULE = 15,
2645         WLAN_EID_CHALLENGE = 16,
2646         /* 17-31 reserved for challenge text extension */
2647         WLAN_EID_PWR_CONSTRAINT = 32,
2648         WLAN_EID_PWR_CAPABILITY = 33,
2649         WLAN_EID_TPC_REQUEST = 34,
2650         WLAN_EID_TPC_REPORT = 35,
2651         WLAN_EID_SUPPORTED_CHANNELS = 36,
2652         WLAN_EID_CHANNEL_SWITCH = 37,
2653         WLAN_EID_MEASURE_REQUEST = 38,
2654         WLAN_EID_MEASURE_REPORT = 39,
2655         WLAN_EID_QUIET = 40,
2656         WLAN_EID_IBSS_DFS = 41,
2657         WLAN_EID_ERP_INFO = 42,
2658         WLAN_EID_TS_DELAY = 43,
2659         WLAN_EID_TCLAS_PROCESSING = 44,
2660         WLAN_EID_HT_CAPABILITY = 45,
2661         WLAN_EID_QOS_CAPA = 46,
2662         /* 47 reserved for Broadcom */
2663         WLAN_EID_RSN = 48,
2664         WLAN_EID_802_15_COEX = 49,
2665         WLAN_EID_EXT_SUPP_RATES = 50,
2666         WLAN_EID_AP_CHAN_REPORT = 51,
2667         WLAN_EID_NEIGHBOR_REPORT = 52,
2668         WLAN_EID_RCPI = 53,
2669         WLAN_EID_MOBILITY_DOMAIN = 54,
2670         WLAN_EID_FAST_BSS_TRANSITION = 55,
2671         WLAN_EID_TIMEOUT_INTERVAL = 56,
2672         WLAN_EID_RIC_DATA = 57,
2673         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2674         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2675         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2676         WLAN_EID_HT_OPERATION = 61,
2677         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2678         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2679         WLAN_EID_ANTENNA_INFO = 64,
2680         WLAN_EID_RSNI = 65,
2681         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2682         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2683         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2684         WLAN_EID_TIME_ADVERTISEMENT = 69,
2685         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2686         WLAN_EID_MULTIPLE_BSSID = 71,
2687         WLAN_EID_BSS_COEX_2040 = 72,
2688         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2689         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2690         WLAN_EID_RIC_DESCRIPTOR = 75,
2691         WLAN_EID_MMIE = 76,
2692         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2693         WLAN_EID_EVENT_REQUEST = 78,
2694         WLAN_EID_EVENT_REPORT = 79,
2695         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2696         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2697         WLAN_EID_LOCATION_PARAMS = 82,
2698         WLAN_EID_NON_TX_BSSID_CAP =  83,
2699         WLAN_EID_SSID_LIST = 84,
2700         WLAN_EID_MULTI_BSSID_IDX = 85,
2701         WLAN_EID_FMS_DESCRIPTOR = 86,
2702         WLAN_EID_FMS_REQUEST = 87,
2703         WLAN_EID_FMS_RESPONSE = 88,
2704         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2705         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2706         WLAN_EID_TSF_REQUEST = 91,
2707         WLAN_EID_TSF_RESPOSNE = 92,
2708         WLAN_EID_WNM_SLEEP_MODE = 93,
2709         WLAN_EID_TIM_BCAST_REQ = 94,
2710         WLAN_EID_TIM_BCAST_RESP = 95,
2711         WLAN_EID_COLL_IF_REPORT = 96,
2712         WLAN_EID_CHANNEL_USAGE = 97,
2713         WLAN_EID_TIME_ZONE = 98,
2714         WLAN_EID_DMS_REQUEST = 99,
2715         WLAN_EID_DMS_RESPONSE = 100,
2716         WLAN_EID_LINK_ID = 101,
2717         WLAN_EID_WAKEUP_SCHEDUL = 102,
2718         /* 103 reserved */
2719         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2720         WLAN_EID_PTI_CONTROL = 105,
2721         WLAN_EID_PU_BUFFER_STATUS = 106,
2722         WLAN_EID_INTERWORKING = 107,
2723         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2724         WLAN_EID_EXPEDITED_BW_REQ = 109,
2725         WLAN_EID_QOS_MAP_SET = 110,
2726         WLAN_EID_ROAMING_CONSORTIUM = 111,
2727         WLAN_EID_EMERGENCY_ALERT = 112,
2728         WLAN_EID_MESH_CONFIG = 113,
2729         WLAN_EID_MESH_ID = 114,
2730         WLAN_EID_LINK_METRIC_REPORT = 115,
2731         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2732         WLAN_EID_PEER_MGMT = 117,
2733         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2734         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2735         WLAN_EID_BEACON_TIMING = 120,
2736         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2737         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2738         WLAN_EID_MCCAOP_ADVERT = 123,
2739         WLAN_EID_MCCAOP_TEARDOWN = 124,
2740         WLAN_EID_GANN = 125,
2741         WLAN_EID_RANN = 126,
2742         WLAN_EID_EXT_CAPABILITY = 127,
2743         /* 128, 129 reserved for Agere */
2744         WLAN_EID_PREQ = 130,
2745         WLAN_EID_PREP = 131,
2746         WLAN_EID_PERR = 132,
2747         /* 133-136 reserved for Cisco */
2748         WLAN_EID_PXU = 137,
2749         WLAN_EID_PXUC = 138,
2750         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2751         WLAN_EID_MIC = 140,
2752         WLAN_EID_DESTINATION_URI = 141,
2753         WLAN_EID_UAPSD_COEX = 142,
2754         WLAN_EID_WAKEUP_SCHEDULE = 143,
2755         WLAN_EID_EXT_SCHEDULE = 144,
2756         WLAN_EID_STA_AVAILABILITY = 145,
2757         WLAN_EID_DMG_TSPEC = 146,
2758         WLAN_EID_DMG_AT = 147,
2759         WLAN_EID_DMG_CAP = 148,
2760         /* 149 reserved for Cisco */
2761         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2762         WLAN_EID_DMG_OPERATION = 151,
2763         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2764         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2765         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2766         /* 155-156 reserved for Cisco */
2767         WLAN_EID_AWAKE_WINDOW = 157,
2768         WLAN_EID_MULTI_BAND = 158,
2769         WLAN_EID_ADDBA_EXT = 159,
2770         WLAN_EID_NEXT_PCP_LIST = 160,
2771         WLAN_EID_PCP_HANDOVER = 161,
2772         WLAN_EID_DMG_LINK_MARGIN = 162,
2773         WLAN_EID_SWITCHING_STREAM = 163,
2774         WLAN_EID_SESSION_TRANSITION = 164,
2775         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2776         WLAN_EID_CLUSTER_REPORT = 166,
2777         WLAN_EID_RELAY_CAP = 167,
2778         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2779         WLAN_EID_BEAM_LINK_MAINT = 169,
2780         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2781         WLAN_EID_U_PID = 171,
2782         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2783         /* 173 reserved for Symbol */
2784         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2785         WLAN_EID_QUIET_PERIOD_REQ = 175,
2786         /* 176 reserved for Symbol */
2787         WLAN_EID_QUIET_PERIOD_RESP = 177,
2788         /* 178-179 reserved for Symbol */
2789         /* 180 reserved for ISO/IEC 20011 */
2790         WLAN_EID_EPAC_POLICY = 182,
2791         WLAN_EID_CLISTER_TIME_OFF = 183,
2792         WLAN_EID_INTER_AC_PRIO = 184,
2793         WLAN_EID_SCS_DESCRIPTOR = 185,
2794         WLAN_EID_QLOAD_REPORT = 186,
2795         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2796         WLAN_EID_HL_STREAM_ID = 188,
2797         WLAN_EID_GCR_GROUP_ADDR = 189,
2798         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2799         WLAN_EID_VHT_CAPABILITY = 191,
2800         WLAN_EID_VHT_OPERATION = 192,
2801         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2802         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2803         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2804         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2805         WLAN_EID_AID = 197,
2806         WLAN_EID_QUIET_CHANNEL = 198,
2807         WLAN_EID_OPMODE_NOTIF = 199,
2808
2809         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
2810
2811         WLAN_EID_S1G_BCN_COMPAT = 213,
2812         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2813         WLAN_EID_S1G_CAPABILITIES = 217,
2814         WLAN_EID_VENDOR_SPECIFIC = 221,
2815         WLAN_EID_QOS_PARAMETER = 222,
2816         WLAN_EID_S1G_OPERATION = 232,
2817         WLAN_EID_CAG_NUMBER = 237,
2818         WLAN_EID_AP_CSN = 239,
2819         WLAN_EID_FILS_INDICATION = 240,
2820         WLAN_EID_DILS = 241,
2821         WLAN_EID_FRAGMENT = 242,
2822         WLAN_EID_RSNX = 244,
2823         WLAN_EID_EXTENSION = 255
2824 };
2825
2826 /* Element ID Extensions for Element ID 255 */
2827 enum ieee80211_eid_ext {
2828         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2829         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2830         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2831         WLAN_EID_EXT_FILS_SESSION = 4,
2832         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2833         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2834         WLAN_EID_EXT_KEY_DELIVERY = 7,
2835         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2836         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2837         WLAN_EID_EXT_FILS_NONCE = 13,
2838         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2839         WLAN_EID_EXT_HE_CAPABILITY = 35,
2840         WLAN_EID_EXT_HE_OPERATION = 36,
2841         WLAN_EID_EXT_UORA = 37,
2842         WLAN_EID_EXT_HE_MU_EDCA = 38,
2843         WLAN_EID_EXT_HE_SPR = 39,
2844         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
2845         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
2846         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
2847         WLAN_EID_EXT_ESS_REPORT = 45,
2848         WLAN_EID_EXT_OPS = 46,
2849         WLAN_EID_EXT_HE_BSS_LOAD = 47,
2850         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2851         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2852         WLAN_EID_EXT_NON_INHERITANCE = 56,
2853         WLAN_EID_EXT_KNOWN_BSSID = 57,
2854         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
2855         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
2856         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
2857 };
2858
2859 /* Action category code */
2860 enum ieee80211_category {
2861         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2862         WLAN_CATEGORY_QOS = 1,
2863         WLAN_CATEGORY_DLS = 2,
2864         WLAN_CATEGORY_BACK = 3,
2865         WLAN_CATEGORY_PUBLIC = 4,
2866         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2867         WLAN_CATEGORY_HT = 7,
2868         WLAN_CATEGORY_SA_QUERY = 8,
2869         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2870         WLAN_CATEGORY_WNM = 10,
2871         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2872         WLAN_CATEGORY_TDLS = 12,
2873         WLAN_CATEGORY_MESH_ACTION = 13,
2874         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2875         WLAN_CATEGORY_SELF_PROTECTED = 15,
2876         WLAN_CATEGORY_DMG = 16,
2877         WLAN_CATEGORY_WMM = 17,
2878         WLAN_CATEGORY_FST = 18,
2879         WLAN_CATEGORY_UNPROT_DMG = 20,
2880         WLAN_CATEGORY_VHT = 21,
2881         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2882         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2883 };
2884
2885 /* SPECTRUM_MGMT action code */
2886 enum ieee80211_spectrum_mgmt_actioncode {
2887         WLAN_ACTION_SPCT_MSR_REQ = 0,
2888         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2889         WLAN_ACTION_SPCT_TPC_REQ = 2,
2890         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2891         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2892 };
2893
2894 /* HT action codes */
2895 enum ieee80211_ht_actioncode {
2896         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2897         WLAN_HT_ACTION_SMPS = 1,
2898         WLAN_HT_ACTION_PSMP = 2,
2899         WLAN_HT_ACTION_PCO_PHASE = 3,
2900         WLAN_HT_ACTION_CSI = 4,
2901         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2902         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2903         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2904 };
2905
2906 /* VHT action codes */
2907 enum ieee80211_vht_actioncode {
2908         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2909         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2910         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2911 };
2912
2913 /* Self Protected Action codes */
2914 enum ieee80211_self_protected_actioncode {
2915         WLAN_SP_RESERVED = 0,
2916         WLAN_SP_MESH_PEERING_OPEN = 1,
2917         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2918         WLAN_SP_MESH_PEERING_CLOSE = 3,
2919         WLAN_SP_MGK_INFORM = 4,
2920         WLAN_SP_MGK_ACK = 5,
2921 };
2922
2923 /* Mesh action codes */
2924 enum ieee80211_mesh_actioncode {
2925         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2926         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2927         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2928         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2929         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2930         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2931         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2932         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2933         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2934         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2935         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2936 };
2937
2938 /* Security key length */
2939 enum ieee80211_key_len {
2940         WLAN_KEY_LEN_WEP40 = 5,
2941         WLAN_KEY_LEN_WEP104 = 13,
2942         WLAN_KEY_LEN_CCMP = 16,
2943         WLAN_KEY_LEN_CCMP_256 = 32,
2944         WLAN_KEY_LEN_TKIP = 32,
2945         WLAN_KEY_LEN_AES_CMAC = 16,
2946         WLAN_KEY_LEN_SMS4 = 32,
2947         WLAN_KEY_LEN_GCMP = 16,
2948         WLAN_KEY_LEN_GCMP_256 = 32,
2949         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2950         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2951         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2952 };
2953
2954 #define IEEE80211_WEP_IV_LEN            4
2955 #define IEEE80211_WEP_ICV_LEN           4
2956 #define IEEE80211_CCMP_HDR_LEN          8
2957 #define IEEE80211_CCMP_MIC_LEN          8
2958 #define IEEE80211_CCMP_PN_LEN           6
2959 #define IEEE80211_CCMP_256_HDR_LEN      8
2960 #define IEEE80211_CCMP_256_MIC_LEN      16
2961 #define IEEE80211_CCMP_256_PN_LEN       6
2962 #define IEEE80211_TKIP_IV_LEN           8
2963 #define IEEE80211_TKIP_ICV_LEN          4
2964 #define IEEE80211_CMAC_PN_LEN           6
2965 #define IEEE80211_GMAC_PN_LEN           6
2966 #define IEEE80211_GCMP_HDR_LEN          8
2967 #define IEEE80211_GCMP_MIC_LEN          16
2968 #define IEEE80211_GCMP_PN_LEN           6
2969
2970 #define FILS_NONCE_LEN                  16
2971 #define FILS_MAX_KEK_LEN                64
2972
2973 #define FILS_ERP_MAX_USERNAME_LEN       16
2974 #define FILS_ERP_MAX_REALM_LEN          253
2975 #define FILS_ERP_MAX_RRK_LEN            64
2976
2977 #define PMK_MAX_LEN                     64
2978 #define SAE_PASSWORD_MAX_LEN            128
2979
2980 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2981 enum ieee80211_pub_actioncode {
2982         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2983         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2984         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2985         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2986         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2987         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2988         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2989         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2990         WLAN_PUB_ACTION_DSE_PC = 8,
2991         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2992         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2993         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2994         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2995         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2996         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2997         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2998         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2999         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3000         WLAN_PUB_ACTION_QMF_POLICY = 18,
3001         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3002         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3003         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3004         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3005         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3006         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3007         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3008         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3009         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3010         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3011         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3012         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3013         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3014         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3015         WLAN_PUB_ACTION_FTM = 33,
3016         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3017 };
3018
3019 /* TDLS action codes */
3020 enum ieee80211_tdls_actioncode {
3021         WLAN_TDLS_SETUP_REQUEST = 0,
3022         WLAN_TDLS_SETUP_RESPONSE = 1,
3023         WLAN_TDLS_SETUP_CONFIRM = 2,
3024         WLAN_TDLS_TEARDOWN = 3,
3025         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3026         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3027         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3028         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3029         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3030         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3031         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3032 };
3033
3034 /* Extended Channel Switching capability to be set in the 1st byte of
3035  * the @WLAN_EID_EXT_CAPABILITY information element
3036  */
3037 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3038
3039 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3040  * @WLAN_EID_EXT_CAPABILITY information element
3041  */
3042 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3043
3044 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3045 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3046 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3047 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3048
3049 /* Interworking capabilities are set in 7th bit of 4th byte of the
3050  * @WLAN_EID_EXT_CAPABILITY information element
3051  */
3052 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3053
3054 /*
3055  * TDLS capabililites to be enabled in the 5th byte of the
3056  * @WLAN_EID_EXT_CAPABILITY information element
3057  */
3058 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3059 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3060 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3061
3062 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3063 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3064
3065 /* Defines the maximal number of MSDUs in an A-MSDU. */
3066 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3067 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3068
3069 /*
3070  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3071  * information element
3072  */
3073 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3074
3075 /* Defines support for TWT Requester and TWT Responder */
3076 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3077 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3078
3079 /*
3080  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3081  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3082  * 26-tone RU UL OFDMA transmissions as radar pulses).
3083  */
3084 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3085
3086 /* Defines support for enhanced multi-bssid advertisement*/
3087 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3088
3089 /* TDLS specific payload type in the LLC/SNAP header */
3090 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3091
3092 /* BSS Coex IE information field bits */
3093 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3094
3095 /**
3096  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3097  *
3098  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3099  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3100  *      that will be specified in a vendor specific information element
3101  */
3102 enum ieee80211_mesh_sync_method {
3103         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3104         IEEE80211_SYNC_METHOD_VENDOR = 255,
3105 };
3106
3107 /**
3108  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3109  *
3110  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3111  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3112  *      be specified in a vendor specific information element
3113  */
3114 enum ieee80211_mesh_path_protocol {
3115         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3116         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3117 };
3118
3119 /**
3120  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3121  *
3122  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3123  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3124  *      specified in a vendor specific information element
3125  */
3126 enum ieee80211_mesh_path_metric {
3127         IEEE80211_PATH_METRIC_AIRTIME = 1,
3128         IEEE80211_PATH_METRIC_VENDOR = 255,
3129 };
3130
3131 /**
3132  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3133  *
3134  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3135  *
3136  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3137  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3138  *      this value
3139  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3140  *      the proactive PREQ with proactive PREP subfield set to 0
3141  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3142  *      supports the proactive PREQ with proactive PREP subfield set to 1
3143  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3144  *      the proactive RANN
3145  */
3146 enum ieee80211_root_mode_identifier {
3147         IEEE80211_ROOTMODE_NO_ROOT = 0,
3148         IEEE80211_ROOTMODE_ROOT = 1,
3149         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3150         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3151         IEEE80211_PROACTIVE_RANN = 4,
3152 };
3153
3154 /*
3155  * IEEE 802.11-2007 7.3.2.9 Country information element
3156  *
3157  * Minimum length is 8 octets, ie len must be evenly
3158  * divisible by 2
3159  */
3160
3161 /* Although the spec says 8 I'm seeing 6 in practice */
3162 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3163
3164 /* The Country String field of the element shall be 3 octets in length */
3165 #define IEEE80211_COUNTRY_STRING_LEN    3
3166
3167 /*
3168  * For regulatory extension stuff see IEEE 802.11-2007
3169  * Annex I (page 1141) and Annex J (page 1147). Also
3170  * review 7.3.2.9.
3171  *
3172  * When dot11RegulatoryClassesRequired is true and the
3173  * first_channel/reg_extension_id is >= 201 then the IE
3174  * compromises of the 'ext' struct represented below:
3175  *
3176  *  - Regulatory extension ID - when generating IE this just needs
3177  *    to be monotonically increasing for each triplet passed in
3178  *    the IE
3179  *  - Regulatory class - index into set of rules
3180  *  - Coverage class - index into air propagation time (Table 7-27),
3181  *    in microseconds, you can compute the air propagation time from
3182  *    the index by multiplying by 3, so index 10 yields a propagation
3183  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3184  *    yet. A value of 0 inicates air propagation of <= 1 us.
3185  *
3186  *  See also Table I.2 for Emission limit sets and table
3187  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3188  *  a reg_class to an emission limit set and behavior limit set.
3189  */
3190 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3191
3192 /*
3193  *  Channels numbers in the IE must be monotonically increasing
3194  *  if dot11RegulatoryClassesRequired is not true.
3195  *
3196  *  If dot11RegulatoryClassesRequired is true consecutive
3197  *  subband triplets following a regulatory triplet shall
3198  *  have monotonically increasing first_channel number fields.
3199  *
3200  *  Channel numbers shall not overlap.
3201  *
3202  *  Note that max_power is signed.
3203  */
3204 struct ieee80211_country_ie_triplet {
3205         union {
3206                 struct {
3207                         u8 first_channel;
3208                         u8 num_channels;
3209                         s8 max_power;
3210                 } __packed chans;
3211                 struct {
3212                         u8 reg_extension_id;
3213                         u8 reg_class;
3214                         u8 coverage_class;
3215                 } __packed ext;
3216         };
3217 } __packed;
3218
3219 enum ieee80211_timeout_interval_type {
3220         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3221         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3222         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3223 };
3224
3225 /**
3226  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3227  * @type: type, see &enum ieee80211_timeout_interval_type
3228  * @value: timeout interval value
3229  */
3230 struct ieee80211_timeout_interval_ie {
3231         u8 type;
3232         __le32 value;
3233 } __packed;
3234
3235 /**
3236  * enum ieee80211_idle_options - BSS idle options
3237  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3238  *      protected frame to the AP to reset the idle timer at the AP for
3239  *      the station.
3240  */
3241 enum ieee80211_idle_options {
3242         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3243 };
3244
3245 /**
3246  * struct ieee80211_bss_max_idle_period_ie
3247  *
3248  * This structure refers to "BSS Max idle period element"
3249  *
3250  * @max_idle_period: indicates the time period during which a station can
3251  *      refrain from transmitting frames to its associated AP without being
3252  *      disassociated. In units of 1000 TUs.
3253  * @idle_options: indicates the options associated with the BSS idle capability
3254  *      as specified in &enum ieee80211_idle_options.
3255  */
3256 struct ieee80211_bss_max_idle_period_ie {
3257         __le16 max_idle_period;
3258         u8 idle_options;
3259 } __packed;
3260
3261 /* BACK action code */
3262 enum ieee80211_back_actioncode {
3263         WLAN_ACTION_ADDBA_REQ = 0,
3264         WLAN_ACTION_ADDBA_RESP = 1,
3265         WLAN_ACTION_DELBA = 2,
3266 };
3267
3268 /* BACK (block-ack) parties */
3269 enum ieee80211_back_parties {
3270         WLAN_BACK_RECIPIENT = 0,
3271         WLAN_BACK_INITIATOR = 1,
3272 };
3273
3274 /* SA Query action */
3275 enum ieee80211_sa_query_action {
3276         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3277         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3278 };
3279
3280 /**
3281  * struct ieee80211_bssid_index
3282  *
3283  * This structure refers to "Multiple BSSID-index element"
3284  *
3285  * @bssid_index: BSSID index
3286  * @dtim_period: optional, overrides transmitted BSS dtim period
3287  * @dtim_count: optional, overrides transmitted BSS dtim count
3288  */
3289 struct ieee80211_bssid_index {
3290         u8 bssid_index;
3291         u8 dtim_period;
3292         u8 dtim_count;
3293 };
3294
3295 /**
3296  * struct ieee80211_multiple_bssid_configuration
3297  *
3298  * This structure refers to "Multiple BSSID Configuration element"
3299  *
3300  * @bssid_count: total number of active BSSIDs in the set
3301  * @profile_periodicity: the least number of beacon frames need to be received
3302  *      in order to discover all the nontransmitted BSSIDs in the set.
3303  */
3304 struct ieee80211_multiple_bssid_configuration {
3305         u8 bssid_count;
3306         u8 profile_periodicity;
3307 };
3308
3309 #define SUITE(oui, id)  (((oui) << 8) | (id))
3310
3311 /* cipher suite selectors */
3312 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3313 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3314 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3315 /* reserved:                            SUITE(0x000FAC, 3) */
3316 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3317 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3318 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3319 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3320 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3321 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3322 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3323 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3324 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3325
3326 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3327
3328 /* AKM suite selectors */
3329 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3330 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3331 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3332 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3333 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3334 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3335 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3336 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3337 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3338 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3339 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3340 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3341 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3342 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3343 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3344 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3345 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3346 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3347 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3348 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3349
3350 #define WLAN_MAX_KEY_LEN                32
3351
3352 #define WLAN_PMK_NAME_LEN               16
3353 #define WLAN_PMKID_LEN                  16
3354 #define WLAN_PMK_LEN_EAP_LEAP           16
3355 #define WLAN_PMK_LEN                    32
3356 #define WLAN_PMK_LEN_SUITE_B_192        48
3357
3358 #define WLAN_OUI_WFA                    0x506f9a
3359 #define WLAN_OUI_TYPE_WFA_P2P           9
3360 #define WLAN_OUI_MICROSOFT              0x0050f2
3361 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3362 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3363 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3364 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3365
3366 /*
3367  * WMM/802.11e Tspec Element
3368  */
3369 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3370 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3371
3372 enum ieee80211_tspec_status_code {
3373         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3374         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3375 };
3376
3377 struct ieee80211_tspec_ie {
3378         u8 element_id;
3379         u8 len;
3380         u8 oui[3];
3381         u8 oui_type;
3382         u8 oui_subtype;
3383         u8 version;
3384         __le16 tsinfo;
3385         u8 tsinfo_resvd;
3386         __le16 nominal_msdu;
3387         __le16 max_msdu;
3388         __le32 min_service_int;
3389         __le32 max_service_int;
3390         __le32 inactivity_int;
3391         __le32 suspension_int;
3392         __le32 service_start_time;
3393         __le32 min_data_rate;
3394         __le32 mean_data_rate;
3395         __le32 peak_data_rate;
3396         __le32 max_burst_size;
3397         __le32 delay_bound;
3398         __le32 min_phy_rate;
3399         __le16 sba;
3400         __le16 medium_time;
3401 } __packed;
3402
3403 struct ieee80211_he_6ghz_capa {
3404         /* uses IEEE80211_HE_6GHZ_CAP_* below */
3405         __le16 capa;
3406 } __packed;
3407
3408 /* HE 6 GHz band capabilities */
3409 /* uses enum ieee80211_min_mpdu_spacing values */
3410 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
3411 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3412 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
3413 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3414 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
3415 /* WLAN_HT_CAP_SM_PS_* values */
3416 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
3417 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
3418 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
3419 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
3420
3421 /**
3422  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3423  * @hdr: the frame
3424  *
3425  * The qos ctrl bytes come after the frame_control, duration, seq_num
3426  * and 3 or 4 addresses of length ETH_ALEN.
3427  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3428  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3429  */
3430 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3431 {
3432         if (ieee80211_has_a4(hdr->frame_control))
3433                 return (u8 *)hdr + 30;
3434         else
3435                 return (u8 *)hdr + 24;
3436 }
3437
3438 /**
3439  * ieee80211_get_tid - get qos TID
3440  * @hdr: the frame
3441  */
3442 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3443 {
3444         u8 *qc = ieee80211_get_qos_ctl(hdr);
3445
3446         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3447 }
3448
3449 /**
3450  * ieee80211_get_SA - get pointer to SA
3451  * @hdr: the frame
3452  *
3453  * Given an 802.11 frame, this function returns the offset
3454  * to the source address (SA). It does not verify that the
3455  * header is long enough to contain the address, and the
3456  * header must be long enough to contain the frame control
3457  * field.
3458  */
3459 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3460 {
3461         if (ieee80211_has_a4(hdr->frame_control))
3462                 return hdr->addr4;
3463         if (ieee80211_has_fromds(hdr->frame_control))
3464                 return hdr->addr3;
3465         return hdr->addr2;
3466 }
3467
3468 /**
3469  * ieee80211_get_DA - get pointer to DA
3470  * @hdr: the frame
3471  *
3472  * Given an 802.11 frame, this function returns the offset
3473  * to the destination address (DA). It does not verify that
3474  * the header is long enough to contain the address, and the
3475  * header must be long enough to contain the frame control
3476  * field.
3477  */
3478 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3479 {
3480         if (ieee80211_has_tods(hdr->frame_control))
3481                 return hdr->addr3;
3482         else
3483                 return hdr->addr1;
3484 }
3485
3486 /**
3487  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3488  * @hdr: the frame (buffer must include at least the first octet of payload)
3489  */
3490 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3491 {
3492         if (ieee80211_is_disassoc(hdr->frame_control) ||
3493             ieee80211_is_deauth(hdr->frame_control))
3494                 return true;
3495
3496         if (ieee80211_is_action(hdr->frame_control)) {
3497                 u8 *category;
3498
3499                 /*
3500                  * Action frames, excluding Public Action frames, are Robust
3501                  * Management Frames. However, if we are looking at a Protected
3502                  * frame, skip the check since the data may be encrypted and
3503                  * the frame has already been found to be a Robust Management
3504                  * Frame (by the other end).
3505                  */
3506                 if (ieee80211_has_protected(hdr->frame_control))
3507                         return true;
3508                 category = ((u8 *) hdr) + 24;
3509                 return *category != WLAN_CATEGORY_PUBLIC &&
3510                         *category != WLAN_CATEGORY_HT &&
3511                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3512                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3513                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3514                         *category != WLAN_CATEGORY_VHT &&
3515                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3516         }
3517
3518         return false;
3519 }
3520
3521 /**
3522  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3523  * @skb: the skb containing the frame, length will be checked
3524  */
3525 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3526 {
3527         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3528                 return false;
3529         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3530 }
3531
3532 /**
3533  * ieee80211_is_public_action - check if frame is a public action frame
3534  * @hdr: the frame
3535  * @len: length of the frame
3536  */
3537 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3538                                               size_t len)
3539 {
3540         struct ieee80211_mgmt *mgmt = (void *)hdr;
3541
3542         if (len < IEEE80211_MIN_ACTION_SIZE)
3543                 return false;
3544         if (!ieee80211_is_action(hdr->frame_control))
3545                 return false;
3546         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3547 }
3548
3549 /**
3550  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3551  * privacy action frame
3552  * @hdr: the frame
3553  */
3554 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3555 {
3556         struct ieee80211_mgmt *mgmt = (void *)hdr;
3557
3558         if (!ieee80211_is_action(hdr->frame_control) ||
3559             !is_multicast_ether_addr(hdr->addr1))
3560                 return false;
3561
3562         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3563                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3564 }
3565
3566 /**
3567  * ieee80211_is_group_privacy_action - check if frame is a group addressed
3568  * privacy action frame
3569  * @skb: the skb containing the frame, length will be checked
3570  */
3571 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3572 {
3573         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3574                 return false;
3575         return _ieee80211_is_group_privacy_action((void *)skb->data);
3576 }
3577
3578 /**
3579  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3580  * @tu: the TUs
3581  */
3582 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3583 {
3584         return 1024 * tu;
3585 }
3586
3587 /**
3588  * ieee80211_check_tim - check if AID bit is set in TIM
3589  * @tim: the TIM IE
3590  * @tim_len: length of the TIM IE
3591  * @aid: the AID to look for
3592  */
3593 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3594                                        u8 tim_len, u16 aid)
3595 {
3596         u8 mask;
3597         u8 index, indexn1, indexn2;
3598
3599         if (unlikely(!tim || tim_len < sizeof(*tim)))
3600                 return false;
3601
3602         aid &= 0x3fff;
3603         index = aid / 8;
3604         mask  = 1 << (aid & 7);
3605
3606         indexn1 = tim->bitmap_ctrl & 0xfe;
3607         indexn2 = tim_len + indexn1 - 4;
3608
3609         if (index < indexn1 || index > indexn2)
3610                 return false;
3611
3612         index -= indexn1;
3613
3614         return !!(tim->virtual_map[index] & mask);
3615 }
3616
3617 /**
3618  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3619  * @skb: the skb containing the frame, length will not be checked
3620  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3621  *
3622  * This function assumes the frame is a data frame, and that the network header
3623  * is in the correct place.
3624  */
3625 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3626 {
3627         if (!skb_is_nonlinear(skb) &&
3628             skb->len > (skb_network_offset(skb) + 2)) {
3629                 /* Point to where the indication of TDLS should start */
3630                 const u8 *tdls_data = skb_network_header(skb) - 2;
3631
3632                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3633                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3634                     tdls_data[3] == WLAN_CATEGORY_TDLS)
3635                         return tdls_data[4];
3636         }
3637
3638         return -1;
3639 }
3640
3641 /* convert time units */
3642 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
3643 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
3644
3645 /* convert frequencies */
3646 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3647 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3648 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3649 #define KHZ_F "%d.%03d"
3650
3651 /* convert powers */
3652 #define DBI_TO_MBI(gain) ((gain) * 100)
3653 #define MBI_TO_DBI(gain) ((gain) / 100)
3654 #define DBM_TO_MBM(gain) ((gain) * 100)
3655 #define MBM_TO_DBM(gain) ((gain) / 100)
3656
3657 /**
3658  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3659  * @skb: the skb containing the frame, length will be checked
3660  *
3661  * This function checks if it's either TPC report action frame or Link
3662  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3663  * and 8.5.7.5 accordingly.
3664  */
3665 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3666 {
3667         struct ieee80211_mgmt *mgmt = (void *)skb->data;
3668
3669         if (!ieee80211_is_action(mgmt->frame_control))
3670                 return false;
3671
3672         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3673                        sizeof(mgmt->u.action.u.tpc_report))
3674                 return false;
3675
3676         /*
3677          * TPC report - check that:
3678          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3679          * spectrum management action = 3 (TPC/Link Measurement report)
3680          * TPC report EID = 35
3681          * TPC report element length = 2
3682          *
3683          * The spectrum management's tpc_report struct is used here both for
3684          * parsing tpc_report and radio measurement's link measurement report
3685          * frame, since the relevant part is identical in both frames.
3686          */
3687         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3688             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3689                 return false;
3690
3691         /* both spectrum mgmt and link measurement have same action code */
3692         if (mgmt->u.action.u.tpc_report.action_code !=
3693             WLAN_ACTION_SPCT_TPC_RPRT)
3694                 return false;
3695
3696         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3697             mgmt->u.action.u.tpc_report.tpc_elem_length !=
3698             sizeof(struct ieee80211_tpc_report_ie))
3699                 return false;
3700
3701         return true;
3702 }
3703
3704 struct element {
3705         u8 id;
3706         u8 datalen;
3707         u8 data[];
3708 } __packed;
3709
3710 /* element iteration helpers */
3711 #define for_each_element(_elem, _data, _datalen)                        \
3712         for (_elem = (const struct element *)(_data);                   \
3713              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3714                 (int)sizeof(*_elem) &&                                  \
3715              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3716                 (int)sizeof(*_elem) + _elem->datalen;                   \
3717              _elem = (const struct element *)(_elem->data + _elem->datalen))
3718
3719 #define for_each_element_id(element, _id, data, datalen)                \
3720         for_each_element(element, data, datalen)                        \
3721                 if (element->id == (_id))
3722
3723 #define for_each_element_extid(element, extid, _data, _datalen)         \
3724         for_each_element(element, _data, _datalen)                      \
3725                 if (element->id == WLAN_EID_EXTENSION &&                \
3726                     element->datalen > 0 &&                             \
3727                     element->data[0] == (extid))
3728
3729 #define for_each_subelement(sub, element)                               \
3730         for_each_element(sub, (element)->data, (element)->datalen)
3731
3732 #define for_each_subelement_id(sub, id, element)                        \
3733         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3734
3735 #define for_each_subelement_extid(sub, extid, element)                  \
3736         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3737
3738 /**
3739  * for_each_element_completed - determine if element parsing consumed all data
3740  * @element: element pointer after for_each_element() or friends
3741  * @data: same data pointer as passed to for_each_element() or friends
3742  * @datalen: same data length as passed to for_each_element() or friends
3743  *
3744  * This function returns %true if all the data was parsed or considered
3745  * while walking the elements. Only use this if your for_each_element()
3746  * loop cannot be broken out of, otherwise it always returns %false.
3747  *
3748  * If some data was malformed, this returns %false since the last parsed
3749  * element will not fill the whole remaining data.
3750  */
3751 static inline bool for_each_element_completed(const struct element *element,
3752                                               const void *data, size_t datalen)
3753 {
3754         return (const u8 *)element == (const u8 *)data + datalen;
3755 }
3756
3757 /**
3758  * RSNX Capabilities:
3759  * bits 0-3: Field length (n-1)
3760  */
3761 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3762 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3763
3764 /*
3765  * reduced neighbor report, based on Draft P802.11ax_D5.0,
3766  * section 9.4.2.170
3767  */
3768 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
3769 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
3770 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
3771 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
3772 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              8
3773 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        12
3774
3775 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
3776 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
3777 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
3778 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
3779 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
3780 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
3781 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
3782
3783 struct ieee80211_neighbor_ap_info {
3784        u8 tbtt_info_hdr;
3785        u8 tbtt_info_len;
3786        u8 op_class;
3787        u8 channel;
3788 } __packed;
3789
3790 #endif /* LINUX_IEEE80211_H */