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 /* bits unique to S1G beacon */
 155 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
 156
 157 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 158 #define IEEE80211_CTL_EXT_POLL          0x2000
 159 #define IEEE80211_CTL_EXT_SPR           0x3000
 160 #define IEEE80211_CTL_EXT_GRANT 0x4000
 161 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 162 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 163 #define IEEE80211_CTL_EXT_SSW           0x8000
 164 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 165 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 166
 167
 168 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 169 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 170 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 171
 172
 173 /* PV1 Layout 11ah 9.8.3.1 */
 174 #define IEEE80211_PV1_FCTL_VERS         0x0003
 175 #define IEEE80211_PV1_FCTL_FTYPE        0x001c
 176 #define IEEE80211_PV1_FCTL_STYPE        0x00e0
 177 #define IEEE80211_PV1_FCTL_TODS         0x0100
 178 #define IEEE80211_PV1_FCTL_MOREFRAGS    0x0200
 179 #define IEEE80211_PV1_FCTL_PM           0x0400
 180 #define IEEE80211_PV1_FCTL_MOREDATA     0x0800
 181 #define IEEE80211_PV1_FCTL_PROTECTED    0x1000
 182 #define IEEE80211_PV1_FCTL_END_SP       0x2000
 183 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
 184 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
 185 #define IEEE80211_PV1_FCTL_CTL_EXT      0x0f00
 186
 187 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 188 {
 189         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 190 }
 191
 192 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 193 {
 194         return (sn1 + sn2) & IEEE80211_SN_MASK;
 195 }
 196
 197 static inline u16 ieee80211_sn_inc(u16 sn)
 198 {
 199         return ieee80211_sn_add(sn, 1);
 200 }
 201
 202 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 203 {
 204         return (sn1 - sn2) & IEEE80211_SN_MASK;
 205 }
 206
 207 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 208 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 209
 210 /* miscellaneous IEEE 802.11 constants */
 211 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 212 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 213 #define IEEE80211_MAX_AID               2007
 214 #define IEEE80211_MAX_AID_S1G           8191
 215 #define IEEE80211_MAX_TIM_LEN           251
 216 #define IEEE80211_MAX_MESH_PEERINGS     63
 217 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 218    6.2.1.1.2.
 219
 220    802.11e clarifies the figure in section 7.1.2. The frame body is
 221    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 222 #define IEEE80211_MAX_DATA_LEN          2304
 223 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 224  * to 7920 bytes, see 8.2.3 General frame format
 225  */
 226 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 227 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 228 #define IEEE80211_MAX_FRAME_LEN         2352
 229
 230 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 231 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 232
 233 /* Maximal size of an A-MSDU */
 234 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 235 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 236
 237 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 238 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 239 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 240
 241 #define IEEE80211_MAX_SSID_LEN          32
 242
 243 #define IEEE80211_MAX_MESH_ID_LEN       32
 244
 245 #define IEEE80211_FIRST_TSPEC_TSID      8
 246 #define IEEE80211_NUM_TIDS              16
 247
 248 /* number of user priorities 802.11 uses */
 249 #define IEEE80211_NUM_UPS               8
 250 /* number of ACs */
 251 #define IEEE80211_NUM_ACS               4
 252
 253 #define IEEE80211_QOS_CTL_LEN           2
 254 /* 1d tag mask */
 255 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 256 /* TID mask */
 257 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 258 /* EOSP */
 259 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 260 /* ACK policy */
 261 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 262 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 263 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 264 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 265 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 266 /* A-MSDU 802.11n */
 267 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 268 /* Mesh Control 802.11s */
 269 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 270
 271 /* Mesh Power Save Level */
 272 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 273 /* Mesh Receiver Service Period Initiated */
 274 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 275
 276 /* U-APSD queue for WMM IEs sent by AP */
 277 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 278 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 279
 280 /* U-APSD queues for WMM IEs sent by STA */
 281 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 282 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 286
 287 /* U-APSD max SP length for WMM IEs sent by STA */
 288 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 289 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 294
 295 #define IEEE80211_HT_CTL_LEN            4
 296
 297 struct ieee80211_hdr {
 298         __le16 frame_control;
 299         __le16 duration_id;
 300         u8 addr1[ETH_ALEN];
 301         u8 addr2[ETH_ALEN];
 302         u8 addr3[ETH_ALEN];
 303         __le16 seq_ctrl;
 304         u8 addr4[ETH_ALEN];
 305 } __packed __aligned(2);
 306
 307 struct ieee80211_hdr_3addr {
 308         __le16 frame_control;
 309         __le16 duration_id;
 310         u8 addr1[ETH_ALEN];
 311         u8 addr2[ETH_ALEN];
 312         u8 addr3[ETH_ALEN];
 313         __le16 seq_ctrl;
 314 } __packed __aligned(2);
 315
 316 struct ieee80211_qos_hdr {
 317         __le16 frame_control;
 318         __le16 duration_id;
 319         u8 addr1[ETH_ALEN];
 320         u8 addr2[ETH_ALEN];
 321         u8 addr3[ETH_ALEN];
 322         __le16 seq_ctrl;
 323         __le16 qos_ctrl;
 324 } __packed __aligned(2);
 325
 326 /**
 327  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 328  * @fc: frame control bytes in little-endian byteorder
 329  */
 330 static inline bool ieee80211_has_tods(__le16 fc)
 331 {
 332         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 333 }
 334
 335 /**
 336  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 337  * @fc: frame control bytes in little-endian byteorder
 338  */
 339 static inline bool ieee80211_has_fromds(__le16 fc)
 340 {
 341         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 342 }
 343
 344 /**
 345  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 346  * @fc: frame control bytes in little-endian byteorder
 347  */
 348 static inline bool ieee80211_has_a4(__le16 fc)
 349 {
 350         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 351         return (fc & tmp) == tmp;
 352 }
 353
 354 /**
 355  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 356  * @fc: frame control bytes in little-endian byteorder
 357  */
 358 static inline bool ieee80211_has_morefrags(__le16 fc)
 359 {
 360         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 361 }
 362
 363 /**
 364  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 365  * @fc: frame control bytes in little-endian byteorder
 366  */
 367 static inline bool ieee80211_has_retry(__le16 fc)
 368 {
 369         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 370 }
 371
 372 /**
 373  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 374  * @fc: frame control bytes in little-endian byteorder
 375  */
 376 static inline bool ieee80211_has_pm(__le16 fc)
 377 {
 378         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 379 }
 380
 381 /**
 382  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 383  * @fc: frame control bytes in little-endian byteorder
 384  */
 385 static inline bool ieee80211_has_moredata(__le16 fc)
 386 {
 387         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 388 }
 389
 390 /**
 391  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 392  * @fc: frame control bytes in little-endian byteorder
 393  */
 394 static inline bool ieee80211_has_protected(__le16 fc)
 395 {
 396         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 397 }
 398
 399 /**
 400  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 401  * @fc: frame control bytes in little-endian byteorder
 402  */
 403 static inline bool ieee80211_has_order(__le16 fc)
 404 {
 405         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 406 }
 407
 408 /**
 409  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 410  * @fc: frame control bytes in little-endian byteorder
 411  */
 412 static inline bool ieee80211_is_mgmt(__le16 fc)
 413 {
 414         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 415                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 416 }
 417
 418 /**
 419  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 420  * @fc: frame control bytes in little-endian byteorder
 421  */
 422 static inline bool ieee80211_is_ctl(__le16 fc)
 423 {
 424         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 425                cpu_to_le16(IEEE80211_FTYPE_CTL);
 426 }
 427
 428 /**
 429  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 430  * @fc: frame control bytes in little-endian byteorder
 431  */
 432 static inline bool ieee80211_is_data(__le16 fc)
 433 {
 434         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 435                cpu_to_le16(IEEE80211_FTYPE_DATA);
 436 }
 437
 438 /**
 439  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
 440  * @fc: frame control bytes in little-endian byteorder
 441  */
 442 static inline bool ieee80211_is_ext(__le16 fc)
 443 {
 444         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 445                cpu_to_le16(IEEE80211_FTYPE_EXT);
 446 }
 447
 448
 449 /**
 450  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 451  * @fc: frame control bytes in little-endian byteorder
 452  */
 453 static inline bool ieee80211_is_data_qos(__le16 fc)
 454 {
 455         /*
 456          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 457          * to check the one bit
 458          */
 459         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 460                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 461 }
 462
 463 /**
 464  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 465  * @fc: frame control bytes in little-endian byteorder
 466  */
 467 static inline bool ieee80211_is_data_present(__le16 fc)
 468 {
 469         /*
 470          * mask with 0x40 and test that that bit is clear to only return true
 471          * for the data-containing substypes.
 472          */
 473         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 474                cpu_to_le16(IEEE80211_FTYPE_DATA);
 475 }
 476
 477 /**
 478  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 479  * @fc: frame control bytes in little-endian byteorder
 480  */
 481 static inline bool ieee80211_is_assoc_req(__le16 fc)
 482 {
 483         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 484                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 485 }
 486
 487 /**
 488  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 489  * @fc: frame control bytes in little-endian byteorder
 490  */
 491 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 492 {
 493         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 494                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 495 }
 496
 497 /**
 498  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 499  * @fc: frame control bytes in little-endian byteorder
 500  */
 501 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 502 {
 503         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 504                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 505 }
 506
 507 /**
 508  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 509  * @fc: frame control bytes in little-endian byteorder
 510  */
 511 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 512 {
 513         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 514                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 515 }
 516
 517 /**
 518  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 519  * @fc: frame control bytes in little-endian byteorder
 520  */
 521 static inline bool ieee80211_is_probe_req(__le16 fc)
 522 {
 523         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 524                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 525 }
 526
 527 /**
 528  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 529  * @fc: frame control bytes in little-endian byteorder
 530  */
 531 static inline bool ieee80211_is_probe_resp(__le16 fc)
 532 {
 533         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 534                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 535 }
 536
 537 /**
 538  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 539  * @fc: frame control bytes in little-endian byteorder
 540  */
 541 static inline bool ieee80211_is_beacon(__le16 fc)
 542 {
 543         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 544                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 545 }
 546
 547 /**
 548  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
 549  * IEEE80211_STYPE_S1G_BEACON
 550  * @fc: frame control bytes in little-endian byteorder
 551  */
 552 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
 553 {
 554         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
 555                                  IEEE80211_FCTL_STYPE)) ==
 556                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
 557 }
 558
 559 /**
 560  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
 561  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
 562  * @fc: frame control bytes in little-endian byteorder
 563  */
 564 static inline bool ieee80211_next_tbtt_present(__le16 fc)
 565 {
 566         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 567                cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
 568                fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
 569 }
 570
 571 /**
 572  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
 573  * true for S1G beacons when they're short.
 574  * @fc: frame control bytes in little-endian byteorder
 575  */
 576 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
 577 {
 578         return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
 579 }
 580
 581 /**
 582  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 583  * @fc: frame control bytes in little-endian byteorder
 584  */
 585 static inline bool ieee80211_is_atim(__le16 fc)
 586 {
 587         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 588                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 589 }
 590
 591 /**
 592  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 593  * @fc: frame control bytes in little-endian byteorder
 594  */
 595 static inline bool ieee80211_is_disassoc(__le16 fc)
 596 {
 597         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 598                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 599 }
 600
 601 /**
 602  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 603  * @fc: frame control bytes in little-endian byteorder
 604  */
 605 static inline bool ieee80211_is_auth(__le16 fc)
 606 {
 607         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 608                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 609 }
 610
 611 /**
 612  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 613  * @fc: frame control bytes in little-endian byteorder
 614  */
 615 static inline bool ieee80211_is_deauth(__le16 fc)
 616 {
 617         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 618                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 619 }
 620
 621 /**
 622  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 623  * @fc: frame control bytes in little-endian byteorder
 624  */
 625 static inline bool ieee80211_is_action(__le16 fc)
 626 {
 627         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 628                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 629 }
 630
 631 /**
 632  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 633  * @fc: frame control bytes in little-endian byteorder
 634  */
 635 static inline bool ieee80211_is_back_req(__le16 fc)
 636 {
 637         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 638                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 639 }
 640
 641 /**
 642  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 643  * @fc: frame control bytes in little-endian byteorder
 644  */
 645 static inline bool ieee80211_is_back(__le16 fc)
 646 {
 647         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 648                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 649 }
 650
 651 /**
 652  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 653  * @fc: frame control bytes in little-endian byteorder
 654  */
 655 static inline bool ieee80211_is_pspoll(__le16 fc)
 656 {
 657         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 658                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 659 }
 660
 661 /**
 662  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 663  * @fc: frame control bytes in little-endian byteorder
 664  */
 665 static inline bool ieee80211_is_rts(__le16 fc)
 666 {
 667         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 668                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 669 }
 670
 671 /**
 672  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 673  * @fc: frame control bytes in little-endian byteorder
 674  */
 675 static inline bool ieee80211_is_cts(__le16 fc)
 676 {
 677         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 678                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 679 }
 680
 681 /**
 682  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 683  * @fc: frame control bytes in little-endian byteorder
 684  */
 685 static inline bool ieee80211_is_ack(__le16 fc)
 686 {
 687         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 688                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 689 }
 690
 691 /**
 692  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 693  * @fc: frame control bytes in little-endian byteorder
 694  */
 695 static inline bool ieee80211_is_cfend(__le16 fc)
 696 {
 697         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 698                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 699 }
 700
 701 /**
 702  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 703  * @fc: frame control bytes in little-endian byteorder
 704  */
 705 static inline bool ieee80211_is_cfendack(__le16 fc)
 706 {
 707         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 708                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 709 }
 710
 711 /**
 712  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 713  * @fc: frame control bytes in little-endian byteorder
 714  */
 715 static inline bool ieee80211_is_nullfunc(__le16 fc)
 716 {
 717         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 718                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 719 }
 720
 721 /**
 722  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 723  * @fc: frame control bytes in little-endian byteorder
 724  */
 725 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 726 {
 727         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 728                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 729 }
 730
 731 /**
 732  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 733  * @fc: frame control bytes in little-endian byteorder
 734  */
 735 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 736 {
 737         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 738 }
 739
 740 /**
 741  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 742  * @fc: frame control field in little-endian byteorder
 743  */
 744 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 745 {
 746         /* IEEE 802.11-2012, definition of "bufferable management frame";
 747          * note that this ignores the IBSS special case. */
 748         return ieee80211_is_mgmt(fc) &&
 749                (ieee80211_is_action(fc) ||
 750                 ieee80211_is_disassoc(fc) ||
 751                 ieee80211_is_deauth(fc));
 752 }
 753
 754 /**
 755  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 756  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 757  */
 758 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 759 {
 760         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 761 }
 762
 763 /**
 764  * ieee80211_is_frag - check if a frame is a fragment
 765  * @hdr: 802.11 header of the frame
 766  */
 767 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 768 {
 769         return ieee80211_has_morefrags(hdr->frame_control) ||
 770                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 771 }
 772
 773 struct ieee80211s_hdr {
 774         u8 flags;
 775         u8 ttl;
 776         __le32 seqnum;
 777         u8 eaddr1[ETH_ALEN];
 778         u8 eaddr2[ETH_ALEN];
 779 } __packed __aligned(2);
 780
 781 /* Mesh flags */
 782 #define MESH_FLAGS_AE_A4        0x1
 783 #define MESH_FLAGS_AE_A5_A6     0x2
 784 #define MESH_FLAGS_AE           0x3
 785 #define MESH_FLAGS_PS_DEEP      0x4
 786
 787 /**
 788  * enum ieee80211_preq_flags - mesh PREQ element flags
 789  *
 790  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 791  */
 792 enum ieee80211_preq_flags {
 793         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 794 };
 795
 796 /**
 797  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 798  *
 799  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 800  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 801  */
 802 enum ieee80211_preq_target_flags {
 803         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 804         IEEE80211_PREQ_USN_FLAG = 1<<2,
 805 };
 806
 807 /**
 808  * struct ieee80211_quiet_ie
 809  *
 810  * This structure refers to "Quiet information element"
 811  */
 812 struct ieee80211_quiet_ie {
 813         u8 count;
 814         u8 period;
 815         __le16 duration;
 816         __le16 offset;
 817 } __packed;
 818
 819 /**
 820  * struct ieee80211_msrment_ie
 821  *
 822  * This structure refers to "Measurement Request/Report information element"
 823  */
 824 struct ieee80211_msrment_ie {
 825         u8 token;
 826         u8 mode;
 827         u8 type;
 828         u8 request[];
 829 } __packed;
 830
 831 /**
 832  * struct ieee80211_channel_sw_ie
 833  *
 834  * This structure refers to "Channel Switch Announcement information element"
 835  */
 836 struct ieee80211_channel_sw_ie {
 837         u8 mode;
 838         u8 new_ch_num;
 839         u8 count;
 840 } __packed;
 841
 842 /**
 843  * struct ieee80211_ext_chansw_ie
 844  *
 845  * This structure represents the "Extended Channel Switch Announcement element"
 846  */
 847 struct ieee80211_ext_chansw_ie {
 848         u8 mode;
 849         u8 new_operating_class;
 850         u8 new_ch_num;
 851         u8 count;
 852 } __packed;
 853
 854 /**
 855  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 856  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 857  *      values here
 858  * This structure represents the "Secondary Channel Offset element"
 859  */
 860 struct ieee80211_sec_chan_offs_ie {
 861         u8 sec_chan_offs;
 862 } __packed;
 863
 864 /**
 865  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 866  *
 867  * This structure represents the "Mesh Channel Switch Paramters element"
 868  */
 869 struct ieee80211_mesh_chansw_params_ie {
 870         u8 mesh_ttl;
 871         u8 mesh_flags;
 872         __le16 mesh_reason;
 873         __le16 mesh_pre_value;
 874 } __packed;
 875
 876 /**
 877  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 878  */
 879 struct ieee80211_wide_bw_chansw_ie {
 880         u8 new_channel_width;
 881         u8 new_center_freq_seg0, new_center_freq_seg1;
 882 } __packed;
 883
 884 /**
 885  * struct ieee80211_tim
 886  *
 887  * This structure refers to "Traffic Indication Map information element"
 888  */
 889 struct ieee80211_tim_ie {
 890         u8 dtim_count;
 891         u8 dtim_period;
 892         u8 bitmap_ctrl;
 893         /* variable size: 1 - 251 bytes */
 894         u8 virtual_map[1];
 895 } __packed;
 896
 897 /**
 898  * struct ieee80211_meshconf_ie
 899  *
 900  * This structure refers to "Mesh Configuration information element"
 901  */
 902 struct ieee80211_meshconf_ie {
 903         u8 meshconf_psel;
 904         u8 meshconf_pmetric;
 905         u8 meshconf_congest;
 906         u8 meshconf_synch;
 907         u8 meshconf_auth;
 908         u8 meshconf_form;
 909         u8 meshconf_cap;
 910 } __packed;
 911
 912 /**
 913  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 914  *
 915  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 916  *      additional mesh peerings with other mesh STAs
 917  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 918  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 919  *      is ongoing
 920  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 921  *      neighbors in deep sleep mode
 922  */
 923 enum mesh_config_capab_flags {
 924         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 925         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 926         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 927         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 928 };
 929
 930 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 931
 932 /**
 933  * mesh channel switch parameters element's flag indicator
 934  *
 935  */
 936 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 937 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 938 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 939
 940 /**
 941  * struct ieee80211_rann_ie
 942  *
 943  * This structure refers to "Root Announcement information element"
 944  */
 945 struct ieee80211_rann_ie {
 946         u8 rann_flags;
 947         u8 rann_hopcount;
 948         u8 rann_ttl;
 949         u8 rann_addr[ETH_ALEN];
 950         __le32 rann_seq;
 951         __le32 rann_interval;
 952         __le32 rann_metric;
 953 } __packed;
 954
 955 enum ieee80211_rann_flags {
 956         RANN_FLAG_IS_GATE = 1 << 0,
 957 };
 958
 959 enum ieee80211_ht_chanwidth_values {
 960         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 961         IEEE80211_HT_CHANWIDTH_ANY = 1,
 962 };
 963
 964 /**
 965  * enum ieee80211_opmode_bits - VHT operating mode field bits
 966  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 967  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 968  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 969  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 970  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 971  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
 972  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 973  *      (the NSS value is the value of this field + 1)
 974  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 975  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 976  *      using a beamforming steering matrix
 977  */
 978 enum ieee80211_vht_opmode_bits {
 979         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 0x03,
 980         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 981         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 982         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 983         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 984         IEEE80211_OPMODE_NOTIF_BW_160_80P80     = 0x04,
 985         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 986         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 987         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 988 };
 989
 990 /**
 991  * enum ieee80211_s1g_chanwidth
 992  * These are defined in IEEE802.11-2016ah Table 10-20
 993  * as BSS Channel Width
 994  *
 995  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
 996  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
 997  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
 998  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
 999  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1000  */
1001 enum ieee80211_s1g_chanwidth {
1002         IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1003         IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1004         IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1005         IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1006         IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1007 };
1008
1009 #define WLAN_SA_QUERY_TR_ID_LEN 2
1010 #define WLAN_MEMBERSHIP_LEN 8
1011 #define WLAN_USER_POSITION_LEN 16
1012
1013 /**
1014  * struct ieee80211_tpc_report_ie
1015  *
1016  * This structure refers to "TPC Report element"
1017  */
1018 struct ieee80211_tpc_report_ie {
1019         u8 tx_power;
1020         u8 link_margin;
1021 } __packed;
1022
1023 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
1024 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
1025 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
1026
1027 struct ieee80211_addba_ext_ie {
1028         u8 data;
1029 } __packed;
1030
1031 /**
1032  * struct ieee80211_s1g_bcn_compat_ie
1033  *
1034  * S1G Beacon Compatibility element
1035  */
1036 struct ieee80211_s1g_bcn_compat_ie {
1037         __le16 compat_info;
1038         __le16 beacon_int;
1039         __le32 tsf_completion;
1040 } __packed;
1041
1042 /**
1043  * struct ieee80211_s1g_oper_ie
1044  *
1045  * S1G Operation element
1046  */
1047 struct ieee80211_s1g_oper_ie {
1048         u8 ch_width;
1049         u8 oper_class;
1050         u8 primary_ch;
1051         u8 oper_ch;
1052         __le16 basic_mcs_nss;
1053 } __packed;
1054
1055 /**
1056  * struct ieee80211_aid_response_ie
1057  *
1058  * AID Response element
1059  */
1060 struct ieee80211_aid_response_ie {
1061         __le16 aid;
1062         u8 switch_count;
1063         __le16 response_int;
1064 } __packed;
1065
1066 struct ieee80211_s1g_cap {
1067         u8 capab_info[10];
1068         u8 supp_mcs_nss[5];
1069 } __packed;
1070
1071 struct ieee80211_ext {
1072         __le16 frame_control;
1073         __le16 duration;
1074         union {
1075                 struct {
1076                         u8 sa[ETH_ALEN];
1077                         __le32 timestamp;
1078                         u8 change_seq;
1079                         u8 variable[0];
1080                 } __packed s1g_beacon;
1081                 struct {
1082                         u8 sa[ETH_ALEN];
1083                         __le32 timestamp;
1084                         u8 change_seq;
1085                         u8 next_tbtt[3];
1086                         u8 variable[0];
1087                 } __packed s1g_short_beacon;
1088         } u;
1089 } __packed __aligned(2);
1090
1091 struct ieee80211_mgmt {
1092         __le16 frame_control;
1093         __le16 duration;
1094         u8 da[ETH_ALEN];
1095         u8 sa[ETH_ALEN];
1096         u8 bssid[ETH_ALEN];
1097         __le16 seq_ctrl;
1098         union {
1099                 struct {
1100                         __le16 auth_alg;
1101                         __le16 auth_transaction;
1102                         __le16 status_code;
1103                         /* possibly followed by Challenge text */
1104                         u8 variable[0];
1105                 } __packed auth;
1106                 struct {
1107                         __le16 reason_code;
1108                 } __packed deauth;
1109                 struct {
1110                         __le16 capab_info;
1111                         __le16 listen_interval;
1112                         /* followed by SSID and Supported rates */
1113                         u8 variable[0];
1114                 } __packed assoc_req;
1115                 struct {
1116                         __le16 capab_info;
1117                         __le16 status_code;
1118                         __le16 aid;
1119                         /* followed by Supported rates */
1120                         u8 variable[0];
1121                 } __packed assoc_resp, reassoc_resp;
1122                 struct {
1123                         __le16 capab_info;
1124                         __le16 status_code;
1125                         u8 variable[0];
1126                 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1127                 struct {
1128                         __le16 capab_info;
1129                         __le16 listen_interval;
1130                         u8 current_ap[ETH_ALEN];
1131                         /* followed by SSID and Supported rates */
1132                         u8 variable[0];
1133                 } __packed reassoc_req;
1134                 struct {
1135                         __le16 reason_code;
1136                 } __packed disassoc;
1137                 struct {
1138                         __le64 timestamp;
1139                         __le16 beacon_int;
1140                         __le16 capab_info;
1141                         /* followed by some of SSID, Supported rates,
1142                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
1143                         u8 variable[0];
1144                 } __packed beacon;
1145                 struct {
1146                         /* only variable items: SSID, Supported rates */
1147                         u8 variable[0];
1148                 } __packed probe_req;
1149                 struct {
1150                         __le64 timestamp;
1151                         __le16 beacon_int;
1152                         __le16 capab_info;
1153                         /* followed by some of SSID, Supported rates,
1154                          * FH Params, DS Params, CF Params, IBSS Params */
1155                         u8 variable[0];
1156                 } __packed probe_resp;
1157                 struct {
1158                         u8 category;
1159                         union {
1160                                 struct {
1161                                         u8 action_code;
1162                                         u8 dialog_token;
1163                                         u8 status_code;
1164                                         u8 variable[0];
1165                                 } __packed wme_action;
1166                                 struct{
1167                                         u8 action_code;
1168                                         u8 variable[0];
1169                                 } __packed chan_switch;
1170                                 struct{
1171                                         u8 action_code;
1172                                         struct ieee80211_ext_chansw_ie data;
1173                                         u8 variable[0];
1174                                 } __packed ext_chan_switch;
1175                                 struct{
1176                                         u8 action_code;
1177                                         u8 dialog_token;
1178                                         u8 element_id;
1179                                         u8 length;
1180                                         struct ieee80211_msrment_ie msr_elem;
1181                                 } __packed measurement;
1182                                 struct{
1183                                         u8 action_code;
1184                                         u8 dialog_token;
1185                                         __le16 capab;
1186                                         __le16 timeout;
1187                                         __le16 start_seq_num;
1188                                         /* followed by BA Extension */
1189                                         u8 variable[0];
1190                                 } __packed addba_req;
1191                                 struct{
1192                                         u8 action_code;
1193                                         u8 dialog_token;
1194                                         __le16 status;
1195                                         __le16 capab;
1196                                         __le16 timeout;
1197                                 } __packed addba_resp;
1198                                 struct{
1199                                         u8 action_code;
1200                                         __le16 params;
1201                                         __le16 reason_code;
1202                                 } __packed delba;
1203                                 struct {
1204                                         u8 action_code;
1205                                         u8 variable[0];
1206                                 } __packed self_prot;
1207                                 struct{
1208                                         u8 action_code;
1209                                         u8 variable[0];
1210                                 } __packed mesh_action;
1211                                 struct {
1212                                         u8 action;
1213                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1214                                 } __packed sa_query;
1215                                 struct {
1216                                         u8 action;
1217                                         u8 smps_control;
1218                                 } __packed ht_smps;
1219                                 struct {
1220                                         u8 action_code;
1221                                         u8 chanwidth;
1222                                 } __packed ht_notify_cw;
1223                                 struct {
1224                                         u8 action_code;
1225                                         u8 dialog_token;
1226                                         __le16 capability;
1227                                         u8 variable[0];
1228                                 } __packed tdls_discover_resp;
1229                                 struct {
1230                                         u8 action_code;
1231                                         u8 operating_mode;
1232                                 } __packed vht_opmode_notif;
1233                                 struct {
1234                                         u8 action_code;
1235                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1236                                         u8 position[WLAN_USER_POSITION_LEN];
1237                                 } __packed vht_group_notif;
1238                                 struct {
1239                                         u8 action_code;
1240                                         u8 dialog_token;
1241                                         u8 tpc_elem_id;
1242                                         u8 tpc_elem_length;
1243                                         struct ieee80211_tpc_report_ie tpc;
1244                                 } __packed tpc_report;
1245                                 struct {
1246                                         u8 action_code;
1247                                         u8 dialog_token;
1248                                         u8 follow_up;
1249                                         u8 tod[6];
1250                                         u8 toa[6];
1251                                         __le16 tod_error;
1252                                         __le16 toa_error;
1253                                         u8 variable[0];
1254                                 } __packed ftm;
1255                         } u;
1256                 } __packed action;
1257         } u;
1258 } __packed __aligned(2);
1259
1260 /* Supported rates membership selectors */
1261 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1262 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1263 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY  122
1264 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1265
1266 /* mgmt header + 1 byte category code */
1267 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1268
1269
1270 /* Management MIC information element (IEEE 802.11w) */
1271 struct ieee80211_mmie {
1272         u8 element_id;
1273         u8 length;
1274         __le16 key_id;
1275         u8 sequence_number[6];
1276         u8 mic[8];
1277 } __packed;
1278
1279 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1280 struct ieee80211_mmie_16 {
1281         u8 element_id;
1282         u8 length;
1283         __le16 key_id;
1284         u8 sequence_number[6];
1285         u8 mic[16];
1286 } __packed;
1287
1288 struct ieee80211_vendor_ie {
1289         u8 element_id;
1290         u8 len;
1291         u8 oui[3];
1292         u8 oui_type;
1293 } __packed;
1294
1295 struct ieee80211_wmm_ac_param {
1296         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1297         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1298         __le16 txop_limit;
1299 } __packed;
1300
1301 struct ieee80211_wmm_param_ie {
1302         u8 element_id; /* Element ID: 221 (0xdd); */
1303         u8 len; /* Length: 24 */
1304         /* required fields for WMM version 1 */
1305         u8 oui[3]; /* 00:50:f2 */
1306         u8 oui_type; /* 2 */
1307         u8 oui_subtype; /* 1 */
1308         u8 version; /* 1 for WMM version 1.0 */
1309         u8 qos_info; /* AP/STA specific QoS info */
1310         u8 reserved; /* 0 */
1311         /* AC_BE, AC_BK, AC_VI, AC_VO */
1312         struct ieee80211_wmm_ac_param ac[4];
1313 } __packed;
1314
1315 /* Control frames */
1316 struct ieee80211_rts {
1317         __le16 frame_control;
1318         __le16 duration;
1319         u8 ra[ETH_ALEN];
1320         u8 ta[ETH_ALEN];
1321 } __packed __aligned(2);
1322
1323 struct ieee80211_cts {
1324         __le16 frame_control;
1325         __le16 duration;
1326         u8 ra[ETH_ALEN];
1327 } __packed __aligned(2);
1328
1329 struct ieee80211_pspoll {
1330         __le16 frame_control;
1331         __le16 aid;
1332         u8 bssid[ETH_ALEN];
1333         u8 ta[ETH_ALEN];
1334 } __packed __aligned(2);
1335
1336 /* TDLS */
1337
1338 /* Channel switch timing */
1339 struct ieee80211_ch_switch_timing {
1340         __le16 switch_time;
1341         __le16 switch_timeout;
1342 } __packed;
1343
1344 /* Link-id information element */
1345 struct ieee80211_tdls_lnkie {
1346         u8 ie_type; /* Link Identifier IE */
1347         u8 ie_len;
1348         u8 bssid[ETH_ALEN];
1349         u8 init_sta[ETH_ALEN];
1350         u8 resp_sta[ETH_ALEN];
1351 } __packed;
1352
1353 struct ieee80211_tdls_data {
1354         u8 da[ETH_ALEN];
1355         u8 sa[ETH_ALEN];
1356         __be16 ether_type;
1357         u8 payload_type;
1358         u8 category;
1359         u8 action_code;
1360         union {
1361                 struct {
1362                         u8 dialog_token;
1363                         __le16 capability;
1364                         u8 variable[0];
1365                 } __packed setup_req;
1366                 struct {
1367                         __le16 status_code;
1368                         u8 dialog_token;
1369                         __le16 capability;
1370                         u8 variable[0];
1371                 } __packed setup_resp;
1372                 struct {
1373                         __le16 status_code;
1374                         u8 dialog_token;
1375                         u8 variable[0];
1376                 } __packed setup_cfm;
1377                 struct {
1378                         __le16 reason_code;
1379                         u8 variable[0];
1380                 } __packed teardown;
1381                 struct {
1382                         u8 dialog_token;
1383                         u8 variable[0];
1384                 } __packed discover_req;
1385                 struct {
1386                         u8 target_channel;
1387                         u8 oper_class;
1388                         u8 variable[0];
1389                 } __packed chan_switch_req;
1390                 struct {
1391                         __le16 status_code;
1392                         u8 variable[0];
1393                 } __packed chan_switch_resp;
1394         } u;
1395 } __packed;
1396
1397 /*
1398  * Peer-to-Peer IE attribute related definitions.
1399  */
1400 /**
1401  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1402  */
1403 enum ieee80211_p2p_attr_id {
1404         IEEE80211_P2P_ATTR_STATUS = 0,
1405         IEEE80211_P2P_ATTR_MINOR_REASON,
1406         IEEE80211_P2P_ATTR_CAPABILITY,
1407         IEEE80211_P2P_ATTR_DEVICE_ID,
1408         IEEE80211_P2P_ATTR_GO_INTENT,
1409         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1410         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1411         IEEE80211_P2P_ATTR_GROUP_BSSID,
1412         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1413         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1414         IEEE80211_P2P_ATTR_MANAGABILITY,
1415         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1416         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1417         IEEE80211_P2P_ATTR_DEVICE_INFO,
1418         IEEE80211_P2P_ATTR_GROUP_INFO,
1419         IEEE80211_P2P_ATTR_GROUP_ID,
1420         IEEE80211_P2P_ATTR_INTERFACE,
1421         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1422         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1423         /* 19 - 220: Reserved */
1424         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1425
1426         IEEE80211_P2P_ATTR_MAX
1427 };
1428
1429 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1430 /* Typical max value used here */
1431 #define IEEE80211_P2P_NOA_DESC_MAX      4
1432
1433 struct ieee80211_p2p_noa_desc {
1434         u8 count;
1435         __le32 duration;
1436         __le32 interval;
1437         __le32 start_time;
1438 } __packed;
1439
1440 struct ieee80211_p2p_noa_attr {
1441         u8 index;
1442         u8 oppps_ctwindow;
1443         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1444 } __packed;
1445
1446 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1447 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1448
1449 /**
1450  * struct ieee80211_bar - HT Block Ack Request
1451  *
1452  * This structure refers to "HT BlockAckReq" as
1453  * described in 802.11n draft section 7.2.1.7.1
1454  */
1455 struct ieee80211_bar {
1456         __le16 frame_control;
1457         __le16 duration;
1458         __u8 ra[ETH_ALEN];
1459         __u8 ta[ETH_ALEN];
1460         __le16 control;
1461         __le16 start_seq_num;
1462 } __packed;
1463
1464 /* 802.11 BAR control masks */
1465 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1466 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1467 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1468 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1469 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1470
1471 #define IEEE80211_HT_MCS_MASK_LEN               10
1472
1473 /**
1474  * struct ieee80211_mcs_info - MCS information
1475  * @rx_mask: RX mask
1476  * @rx_highest: highest supported RX rate. If set represents
1477  *      the highest supported RX data rate in units of 1 Mbps.
1478  *      If this field is 0 this value should not be used to
1479  *      consider the highest RX data rate supported.
1480  * @tx_params: TX parameters
1481  */
1482 struct ieee80211_mcs_info {
1483         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1484         __le16 rx_highest;
1485         u8 tx_params;
1486         u8 reserved[3];
1487 } __packed;
1488
1489 /* 802.11n HT capability MSC set */
1490 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1491 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1492 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1493 /* value 0 == 1 stream etc */
1494 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1495 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1496 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1497 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1498
1499 /*
1500  * 802.11n D5.0 20.3.5 / 20.6 says:
1501  * - indices 0 to 7 and 32 are single spatial stream
1502  * - 8 to 31 are multiple spatial streams using equal modulation
1503  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1504  * - remainder are multiple spatial streams using unequal modulation
1505  */
1506 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1507 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1508         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1509
1510 /**
1511  * struct ieee80211_ht_cap - HT capabilities
1512  *
1513  * This structure is the "HT capabilities element" as
1514  * described in 802.11n D5.0 7.3.2.57
1515  */
1516 struct ieee80211_ht_cap {
1517         __le16 cap_info;
1518         u8 ampdu_params_info;
1519
1520         /* 16 bytes MCS information */
1521         struct ieee80211_mcs_info mcs;
1522
1523         __le16 extended_ht_cap_info;
1524         __le32 tx_BF_cap_info;
1525         u8 antenna_selection_info;
1526 } __packed;
1527
1528 /* 802.11n HT capabilities masks (for cap_info) */
1529 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1530 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1531 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1532 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1533 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1534 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1535 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1536 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1537 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1538 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1539 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1540 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1541 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1542 #define IEEE80211_HT_CAP_RESERVED               0x2000
1543 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1544 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1545
1546 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1547 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1548 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1549 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1550 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1551 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1552 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1553 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1554
1555 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1556 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1557 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1558 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1559
1560 /*
1561  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1562  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1563  */
1564 enum ieee80211_max_ampdu_length_exp {
1565         IEEE80211_HT_MAX_AMPDU_8K = 0,
1566         IEEE80211_HT_MAX_AMPDU_16K = 1,
1567         IEEE80211_HT_MAX_AMPDU_32K = 2,
1568         IEEE80211_HT_MAX_AMPDU_64K = 3
1569 };
1570
1571 /*
1572  * Maximum length of AMPDU that the STA can receive in VHT.
1573  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1574  */
1575 enum ieee80211_vht_max_ampdu_length_exp {
1576         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1577         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1578         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1579         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1580         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1581         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1582         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1583         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1584 };
1585
1586 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1587
1588 /* Minimum MPDU start spacing */
1589 enum ieee80211_min_mpdu_spacing {
1590         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1591         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1592         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1593         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1594         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1595         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1596         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1597         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1598 };
1599
1600 /**
1601  * struct ieee80211_ht_operation - HT operation IE
1602  *
1603  * This structure is the "HT operation element" as
1604  * described in 802.11n-2009 7.3.2.57
1605  */
1606 struct ieee80211_ht_operation {
1607         u8 primary_chan;
1608         u8 ht_param;
1609         __le16 operation_mode;
1610         __le16 stbc_param;
1611         u8 basic_set[16];
1612 } __packed;
1613
1614 /* for ht_param */
1615 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1616 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1617 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1618 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1619 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1620 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1621
1622 /* for operation_mode */
1623 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1624 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1625 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1626 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1627 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1628 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1629 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1630 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1631 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1632
1633 /* for stbc_param */
1634 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1635 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1636 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1637 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1638 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1639 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1640
1641
1642 /* block-ack parameters */
1643 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1644 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1645 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1646 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1647 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1648 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1649
1650 /*
1651  * A-MPDU buffer sizes
1652  * According to HT size varies from 8 to 64 frames
1653  * HE adds the ability to have up to 256 frames.
1654  */
1655 #define IEEE80211_MIN_AMPDU_BUF         0x8
1656 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1657 #define IEEE80211_MAX_AMPDU_BUF         0x100
1658
1659
1660 /* Spatial Multiplexing Power Save Modes (for capability) */
1661 #define WLAN_HT_CAP_SM_PS_STATIC        0
1662 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1663 #define WLAN_HT_CAP_SM_PS_INVALID       2
1664 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1665
1666 /* for SM power control field lower two bits */
1667 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1668 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1669 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1670
1671 /**
1672  * struct ieee80211_vht_mcs_info - VHT MCS information
1673  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1674  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1675  *      STA can receive. Rate expressed in units of 1 Mbps.
1676  *      If this field is 0 this value should not be used to
1677  *      consider the highest RX data rate supported.
1678  *      The top 3 bits of this field indicate the Maximum NSTS,total
1679  *      (a beamformee capability.)
1680  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1681  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1682  *      STA can transmit. Rate expressed in units of 1 Mbps.
1683  *      If this field is 0 this value should not be used to
1684  *      consider the highest TX data rate supported.
1685  *      The top 2 bits of this field are reserved, the
1686  *      3rd bit from the top indiciates VHT Extended NSS BW
1687  *      Capability.
1688  */
1689 struct ieee80211_vht_mcs_info {
1690         __le16 rx_mcs_map;
1691         __le16 rx_highest;
1692         __le16 tx_mcs_map;
1693         __le16 tx_highest;
1694 } __packed;
1695
1696 /* for rx_highest */
1697 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1698 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1699
1700 /* for tx_highest */
1701 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1702
1703 /**
1704  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1705  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1706  *      number of streams
1707  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1708  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1709  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1710  *
1711  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1712  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1713  * both split into 8 subfields by number of streams. These values indicate
1714  * which MCSes are supported for the number of streams the value appears
1715  * for.
1716  */
1717 enum ieee80211_vht_mcs_support {
1718         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1719         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1720         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1721         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1722 };
1723
1724 /**
1725  * struct ieee80211_vht_cap - VHT capabilities
1726  *
1727  * This structure is the "VHT capabilities element" as
1728  * described in 802.11ac D3.0 8.4.2.160
1729  * @vht_cap_info: VHT capability info
1730  * @supp_mcs: VHT MCS supported rates
1731  */
1732 struct ieee80211_vht_cap {
1733         __le32 vht_cap_info;
1734         struct ieee80211_vht_mcs_info supp_mcs;
1735 } __packed;
1736
1737 /**
1738  * enum ieee80211_vht_chanwidth - VHT channel width
1739  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1740  *      determine the channel width (20 or 40 MHz)
1741  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1742  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1743  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1744  */
1745 enum ieee80211_vht_chanwidth {
1746         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1747         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1748         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1749         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1750 };
1751
1752 /**
1753  * struct ieee80211_vht_operation - VHT operation IE
1754  *
1755  * This structure is the "VHT operation element" as
1756  * described in 802.11ac D3.0 8.4.2.161
1757  * @chan_width: Operating channel width
1758  * @center_freq_seg0_idx: center freq segment 0 index
1759  * @center_freq_seg1_idx: center freq segment 1 index
1760  * @basic_mcs_set: VHT Basic MCS rate set
1761  */
1762 struct ieee80211_vht_operation {
1763         u8 chan_width;
1764         u8 center_freq_seg0_idx;
1765         u8 center_freq_seg1_idx;
1766         __le16 basic_mcs_set;
1767 } __packed;
1768
1769 /**
1770  * struct ieee80211_he_cap_elem - HE capabilities element
1771  *
1772  * This structure is the "HE capabilities element" fixed fields as
1773  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1774  */
1775 struct ieee80211_he_cap_elem {
1776         u8 mac_cap_info[6];
1777         u8 phy_cap_info[11];
1778 } __packed;
1779
1780 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1781
1782 /**
1783  * enum ieee80211_he_mcs_support - HE MCS support definitions
1784  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1785  *      number of streams
1786  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1787  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1788  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1789  *
1790  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1791  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1792  * both split into 8 subfields by number of streams. These values indicate
1793  * which MCSes are supported for the number of streams the value appears
1794  * for.
1795  */
1796 enum ieee80211_he_mcs_support {
1797         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1798         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1799         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1800         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1801 };
1802
1803 /**
1804  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1805  *
1806  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1807  * described in P802.11ax_D2.0 section 9.4.2.237.4
1808  *
1809  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1810  *     widths less than 80MHz.
1811  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1812  *     widths less than 80MHz.
1813  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1814  *     width 160MHz.
1815  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1816  *     width 160MHz.
1817  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1818  *     channel width 80p80MHz.
1819  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1820  *     channel width 80p80MHz.
1821  */
1822 struct ieee80211_he_mcs_nss_supp {
1823         __le16 rx_mcs_80;
1824         __le16 tx_mcs_80;
1825         __le16 rx_mcs_160;
1826         __le16 tx_mcs_160;
1827         __le16 rx_mcs_80p80;
1828         __le16 tx_mcs_80p80;
1829 } __packed;
1830
1831 /**
1832  * struct ieee80211_he_operation - HE capabilities element
1833  *
1834  * This structure is the "HE operation element" fields as
1835  * described in P802.11ax_D4.0 section 9.4.2.243
1836  */
1837 struct ieee80211_he_operation {
1838         __le32 he_oper_params;
1839         __le16 he_mcs_nss_set;
1840         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1841         u8 optional[];
1842 } __packed;
1843
1844 /**
1845  * struct ieee80211_he_spr - HE spatial reuse element
1846  *
1847  * This structure is the "HE spatial reuse element" element as
1848  * described in P802.11ax_D4.0 section 9.4.2.241
1849  */
1850 struct ieee80211_he_spr {
1851         u8 he_sr_control;
1852         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1853         u8 optional[];
1854 } __packed;
1855
1856 /**
1857  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1858  *
1859  * This structure is the "MU AC Parameter Record" fields as
1860  * described in P802.11ax_D4.0 section 9.4.2.245
1861  */
1862 struct ieee80211_he_mu_edca_param_ac_rec {
1863         u8 aifsn;
1864         u8 ecw_min_max;
1865         u8 mu_edca_timer;
1866 } __packed;
1867
1868 /**
1869  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1870  *
1871  * This structure is the "MU EDCA Parameter Set element" fields as
1872  * described in P802.11ax_D4.0 section 9.4.2.245
1873  */
1874 struct ieee80211_mu_edca_param_set {
1875         u8 mu_qos_info;
1876         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1877         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1878         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1879         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1880 } __packed;
1881
1882 /* 802.11ac VHT Capabilities */
1883 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1884 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1885 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1886 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1887 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1888 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1889 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1890 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1891 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1892 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1893 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1894 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1895 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1896 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1897 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1898 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1899 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1900 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1901 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1902 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1903 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1904 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1905                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1906 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1907 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1908                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1909 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1910 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1911 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1912 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1913 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1914 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1915                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1916 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1917 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1918 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1919 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1920 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1921 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1922
1923 /**
1924  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1925  * @cap: VHT capabilities of the peer
1926  * @bw: bandwidth to use
1927  * @mcs: MCS index to use
1928  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1929  *      (rate scaling algorithm) can deal with the new logic
1930  *      (dot11VHTExtendedNSSBWCapable)
1931  * @max_vht_nss: current maximum NSS as advertised by the STA in
1932  *      operating mode notification, can be 0 in which case the
1933  *      capability data will be used to derive this (from MCS support)
1934  *
1935  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1936  * vary for a given BW/MCS. This function parses the data.
1937  *
1938  * Note: This function is exported by cfg80211.
1939  */
1940 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1941                               enum ieee80211_vht_chanwidth bw,
1942                               int mcs, bool ext_nss_bw_capable,
1943                               unsigned int max_vht_nss);
1944
1945 /* 802.11ax HE MAC capabilities */
1946 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1947 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1948 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1949 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1950 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1951 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1952 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1953 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1954 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1955 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1956 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1957 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1958 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1959 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1960 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1961 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1962 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1963
1964 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1965 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1966 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1967 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1968 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1969 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1970 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1971 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1972 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1973 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1974 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1975 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1976 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1977 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1978 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1979 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1980 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1981 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1982
1983 /* Link adaptation is split between byte HE_MAC_CAP1 and
1984  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1985  * in which case the following values apply:
1986  * 0 = No feedback.
1987  * 1 = reserved.
1988  * 2 = Unsolicited feedback.
1989  * 3 = both
1990  */
1991 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1992
1993 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1994 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1995 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1996 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1997 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1998 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1999 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
2000 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2001
2002 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2003 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2004
2005 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2006  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2007  * same field in the HE capabilities.
2008  */
2009 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
2010 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
2011 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
2012 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
2013 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2014 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2015 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2016 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2017
2018 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT           3
2019
2020 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2021 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2022 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2023 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
2024 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2025 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2026 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
2027 /* Multi TID agg TX is split between byte #4 and #5
2028  * The value is a combination of B39,B40,B41
2029  */
2030 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2031
2032 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2033 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2034 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
2035 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2036 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2037 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2038 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2039 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2040
2041 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2042 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2043
2044 /* 802.11ax HE PHY capabilities */
2045 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2046 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2047 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2048 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2049 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2050 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2051 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2052
2053 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2054 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2055 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2056 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2057 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2058 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2059 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2060 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2061 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2062 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2063
2064 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2065 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2066 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2067 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2068 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2069 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2070
2071 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2072  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2073  * case it indicates support for Tx.
2074  */
2075 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2076 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2077
2078 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2079 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2080 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2081 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2082 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2083 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2084 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2085 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2086 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2087 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2088 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2089 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2090 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2091 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2092 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
2093 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2094
2095 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2096 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2097
2098 /* Minimal allowed value of Max STS under 80MHz is 3 */
2099 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2100 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2101 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2102 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2103 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2104 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2105
2106 /* Minimal allowed value of Max STS above 80MHz is 3 */
2107 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2108 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2109 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2110 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2111 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2112 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2113
2114 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2115 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2116 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2117 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2118 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2119 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2120 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2121 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2122 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2123
2124 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2125 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2126 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2127 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2128 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2129 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2130 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2131 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2132 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2133
2134 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2135 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2136
2137 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2138 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2139 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
2140 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
2141 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2142 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2143 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2144 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2145
2146 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
2147 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
2148 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2149 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2150 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2151 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2152 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2153 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2154 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2155 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2156 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2157 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2158 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2159
2160 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2161 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2162 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2163 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2164 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2165 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2166 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2167 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2168 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2169 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2170 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2171
2172 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2173 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2174 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2175 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2176 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2177 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2178 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
2179 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
2180 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
2181 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
2182 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
2183
2184 /* 802.11ax HE TX/RX MCS NSS Support  */
2185 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2186 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2187 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2188 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2189 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2190
2191 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2192 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2193         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2194         HIGHEST_MCS_SUPPORTED_MCS8,
2195         HIGHEST_MCS_SUPPORTED_MCS9,
2196         HIGHEST_MCS_SUPPORTED_MCS10,
2197         HIGHEST_MCS_SUPPORTED_MCS11,
2198 };
2199
2200 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2201 static inline u8
2202 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2203 {
2204         u8 count = 4;
2205
2206         if (he_cap->phy_cap_info[0] &
2207             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2208                 count += 4;
2209
2210         if (he_cap->phy_cap_info[0] &
2211             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2212                 count += 4;
2213
2214         return count;
2215 }
2216
2217 /* 802.11ax HE PPE Thresholds */
2218 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2219 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2220 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2221 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2222         (BIT(5) | BIT(6))
2223 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2224 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2225 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2226
2227 /*
2228  * Calculate 802.11ax HE capabilities IE PPE field size
2229  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2230  */
2231 static inline u8
2232 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2233 {
2234         u8 n;
2235
2236         if ((phy_cap_info[6] &
2237              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2238                 return 0;
2239
2240         n = hweight8(ppe_thres_hdr &
2241                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2242         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2243                    IEEE80211_PPE_THRES_NSS_POS));
2244
2245         /*
2246          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2247          * total size.
2248          */
2249         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2250         n = DIV_ROUND_UP(n, 8);
2251
2252         return n;
2253 }
2254
2255 /* HE Operation defines */
2256 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2257 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2258 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2259 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2260 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2261 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2262 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2263 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2264 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2265 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2266 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2267 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2268
2269 /**
2270  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2271  * @primary: primary channel
2272  * @control: control flags
2273  * @ccfs0: channel center frequency segment 0
2274  * @ccfs1: channel center frequency segment 1
2275  * @minrate: minimum rate (in 1 Mbps units)
2276  */
2277 struct ieee80211_he_6ghz_oper {
2278         u8 primary;
2279 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2280 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2281 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2282 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2283 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2284 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2285         u8 control;
2286         u8 ccfs0;
2287         u8 ccfs1;
2288         u8 minrate;
2289 } __packed;
2290
2291 /*
2292  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2293  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2294  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2295  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2296  *      validated this.
2297  * @return the actual size of the IE data (not including header), or 0 on error
2298  */
2299 static inline u8
2300 ieee80211_he_oper_size(const u8 *he_oper_ie)
2301 {
2302         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2303         u8 oper_len = sizeof(struct ieee80211_he_operation);
2304         u32 he_oper_params;
2305
2306         /* Make sure the input is not NULL */
2307         if (!he_oper_ie)
2308                 return 0;
2309
2310         /* Calc required length */
2311         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2312         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2313                 oper_len += 3;
2314         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2315                 oper_len++;
2316         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2317                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2318
2319         /* Add the first byte (extension ID) to the total length */
2320         oper_len++;
2321
2322         return oper_len;
2323 }
2324
2325 /**
2326  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2327  * @he_oper: HE operation element (must be pre-validated for size)
2328  *      but may be %NULL
2329  *
2330  * Return: a pointer to the 6 GHz operation field, or %NULL
2331  */
2332 static inline const struct ieee80211_he_6ghz_oper *
2333 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2334 {
2335         const u8 *ret = (void *)&he_oper->optional;
2336         u32 he_oper_params;
2337
2338         if (!he_oper)
2339                 return NULL;
2340
2341         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2342
2343         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2344                 return NULL;
2345         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2346                 ret += 3;
2347         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2348                 ret++;
2349
2350         return (void *)ret;
2351 }
2352
2353 /* HE Spatial Reuse defines */
2354 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2355 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2356 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2357 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2358 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2359
2360 /*
2361  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2362  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2363  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2364  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2365  *      this
2366  * @return the actual size of the IE data (not including header), or 0 on error
2367  */
2368 static inline u8
2369 ieee80211_he_spr_size(const u8 *he_spr_ie)
2370 {
2371         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2372         u8 spr_len = sizeof(struct ieee80211_he_spr);
2373         u8 he_spr_params;
2374
2375         /* Make sure the input is not NULL */
2376         if (!he_spr_ie)
2377                 return 0;
2378
2379         /* Calc required length */
2380         he_spr_params = he_spr->he_sr_control;
2381         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2382                 spr_len++;
2383         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2384                 spr_len += 18;
2385
2386         /* Add the first byte (extension ID) to the total length */
2387         spr_len++;
2388
2389         return spr_len;
2390 }
2391
2392 /* S1G Capabilities Information field */
2393 #define IEEE80211_S1G_CAPABILITY_LEN    15
2394
2395 #define S1G_CAP0_S1G_LONG       BIT(0)
2396 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2397 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2398 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2399 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2400 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2401 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2402
2403 #define S1G_SUPP_CH_WIDTH_2     0
2404 #define S1G_SUPP_CH_WIDTH_4     1
2405 #define S1G_SUPP_CH_WIDTH_8     2
2406 #define S1G_SUPP_CH_WIDTH_16    3
2407 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2408                                                     cap[0])) << 1)
2409
2410 #define S1G_CAP1_RX_LDPC        BIT(0)
2411 #define S1G_CAP1_TX_STBC        BIT(1)
2412 #define S1G_CAP1_RX_STBC        BIT(2)
2413 #define S1G_CAP1_SU_BFER        BIT(3)
2414 #define S1G_CAP1_SU_BFEE        BIT(4)
2415 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2416
2417 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2418 #define S1G_CAP2_MU_BFER                BIT(3)
2419 #define S1G_CAP2_MU_BFEE                BIT(4)
2420 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2421 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2422
2423 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2424 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2425 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2426 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2427 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2428
2429 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2430 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2431 #define S1G_CAP4_BAT            BIT(2)
2432 #define S1G_CAP4_TIME_ADE       BIT(3)
2433 #define S1G_CAP4_NON_TIM        BIT(4)
2434 #define S1G_CAP4_GROUP_AID      BIT(5)
2435 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2436
2437 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2438 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2439 #define S1G_CAP5_AMSDU                  BIT(2)
2440 #define S1G_CAP5_AMPDU                  BIT(3)
2441 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2442 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2443 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2444
2445 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2446 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2447 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2448 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2449 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2450 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2451 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2452
2453 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2454 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2455 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2456 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2457 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2458 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2459 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2460 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2461
2462 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2463 #define S1G_CAP8_BDT            BIT(1)
2464 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2465 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2466 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2467 #define S1G_CAP8_PV1_FRAME      BIT(7)
2468
2469 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2470
2471 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2472 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2473
2474
2475 #define LISTEN_INT_USF  GENMASK(15, 14)
2476 #define LISTEN_INT_UI   GENMASK(13, 0)
2477
2478 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
2479 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
2480
2481 /* Authentication algorithms */
2482 #define WLAN_AUTH_OPEN 0
2483 #define WLAN_AUTH_SHARED_KEY 1
2484 #define WLAN_AUTH_FT 2
2485 #define WLAN_AUTH_SAE 3
2486 #define WLAN_AUTH_FILS_SK 4
2487 #define WLAN_AUTH_FILS_SK_PFS 5
2488 #define WLAN_AUTH_FILS_PK 6
2489 #define WLAN_AUTH_LEAP 128
2490
2491 #define WLAN_AUTH_CHALLENGE_LEN 128
2492
2493 #define WLAN_CAPABILITY_ESS             (1<<0)
2494 #define WLAN_CAPABILITY_IBSS            (1<<1)
2495
2496 /*
2497  * A mesh STA sets the ESS and IBSS capability bits to zero.
2498  * however, this holds true for p2p probe responses (in the p2p_find
2499  * phase) as well.
2500  */
2501 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2502         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2503
2504 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2505 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2506 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2507 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2508 #define WLAN_CAPABILITY_PBCC            (1<<6)
2509 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2510
2511 /* 802.11h */
2512 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2513 #define WLAN_CAPABILITY_QOS             (1<<9)
2514 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2515 #define WLAN_CAPABILITY_APSD            (1<<11)
2516 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2517 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2518 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2519 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2520
2521 /* DMG (60gHz) 802.11ad */
2522 /* type - bits 0..1 */
2523 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2524 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2525 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2526 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2527
2528 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2529 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2530 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2531 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2532
2533 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2534 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2535
2536 /* measurement */
2537 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2538 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2539 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2540
2541 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2542 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2543 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2544 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2545 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2546
2547 /* 802.11g ERP information element */
2548 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2549 #define WLAN_ERP_USE_PROTECTION (1<<1)
2550 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2551
2552 /* WLAN_ERP_BARKER_PREAMBLE values */
2553 enum {
2554         WLAN_ERP_PREAMBLE_SHORT = 0,
2555         WLAN_ERP_PREAMBLE_LONG = 1,
2556 };
2557
2558 /* Band ID, 802.11ad #8.4.1.45 */
2559 enum {
2560         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2561         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2562         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2563         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2564         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2565         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2566 };
2567
2568 /* Status codes */
2569 enum ieee80211_statuscode {
2570         WLAN_STATUS_SUCCESS = 0,
2571         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2572         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2573         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2574         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2575         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2576         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2577         WLAN_STATUS_CHALLENGE_FAIL = 15,
2578         WLAN_STATUS_AUTH_TIMEOUT = 16,
2579         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2580         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2581         /* 802.11b */
2582         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2583         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2584         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2585         /* 802.11h */
2586         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2587         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2588         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2589         /* 802.11g */
2590         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2591         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2592         /* 802.11w */
2593         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2594         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2595         /* 802.11i */
2596         WLAN_STATUS_INVALID_IE = 40,
2597         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2598         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2599         WLAN_STATUS_INVALID_AKMP = 43,
2600         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2601         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2602         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2603         /* 802.11e */
2604         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2605         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2606         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2607         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2608         WLAN_STATUS_REQUEST_DECLINED = 37,
2609         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2610         WLAN_STATUS_CHANGE_TSPEC = 39,
2611         WLAN_STATUS_WAIT_TS_DELAY = 47,
2612         WLAN_STATUS_NO_DIRECT_LINK = 48,
2613         WLAN_STATUS_STA_NOT_PRESENT = 49,
2614         WLAN_STATUS_STA_NOT_QSTA = 50,
2615         /* 802.11s */
2616         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2617         WLAN_STATUS_FCG_NOT_SUPP = 78,
2618         WLAN_STATUS_STA_NO_TBTT = 78,
2619         /* 802.11ad */
2620         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2621         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2622         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2623         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2624         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2625         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2626         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2627         WLAN_STATUS_REJECT_DSE_BAND = 96,
2628         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2629         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2630         /* 802.11ai */
2631         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2632         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2633         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
2634         WLAN_STATUS_SAE_PK = 127,
2635 };
2636
2637
2638 /* Reason codes */
2639 enum ieee80211_reasoncode {
2640         WLAN_REASON_UNSPECIFIED = 1,
2641         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2642         WLAN_REASON_DEAUTH_LEAVING = 3,
2643         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2644         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2645         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2646         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2647         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2648         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2649         /* 802.11h */
2650         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2651         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2652         /* 802.11i */
2653         WLAN_REASON_INVALID_IE = 13,
2654         WLAN_REASON_MIC_FAILURE = 14,
2655         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2656         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2657         WLAN_REASON_IE_DIFFERENT = 17,
2658         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2659         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2660         WLAN_REASON_INVALID_AKMP = 20,
2661         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2662         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2663         WLAN_REASON_IEEE8021X_FAILED = 23,
2664         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2665         /* TDLS (802.11z) */
2666         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2667         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2668         /* 802.11e */
2669         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2670         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2671         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2672         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2673         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2674         WLAN_REASON_QSTA_NOT_USE = 37,
2675         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2676         WLAN_REASON_QSTA_TIMEOUT = 39,
2677         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2678         /* 802.11s */
2679         WLAN_REASON_MESH_PEER_CANCELED = 52,
2680         WLAN_REASON_MESH_MAX_PEERS = 53,
2681         WLAN_REASON_MESH_CONFIG = 54,
2682         WLAN_REASON_MESH_CLOSE = 55,
2683         WLAN_REASON_MESH_MAX_RETRIES = 56,
2684         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2685         WLAN_REASON_MESH_INVALID_GTK = 58,
2686         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2687         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2688         WLAN_REASON_MESH_PATH_ERROR = 61,
2689         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2690         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2691         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2692         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2693         WLAN_REASON_MESH_CHAN = 66,
2694 };
2695
2696
2697 /* Information Element IDs */
2698 enum ieee80211_eid {
2699         WLAN_EID_SSID = 0,
2700         WLAN_EID_SUPP_RATES = 1,
2701         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2702         WLAN_EID_DS_PARAMS = 3,
2703         WLAN_EID_CF_PARAMS = 4,
2704         WLAN_EID_TIM = 5,
2705         WLAN_EID_IBSS_PARAMS = 6,
2706         WLAN_EID_COUNTRY = 7,
2707         /* 8, 9 reserved */
2708         WLAN_EID_REQUEST = 10,
2709         WLAN_EID_QBSS_LOAD = 11,
2710         WLAN_EID_EDCA_PARAM_SET = 12,
2711         WLAN_EID_TSPEC = 13,
2712         WLAN_EID_TCLAS = 14,
2713         WLAN_EID_SCHEDULE = 15,
2714         WLAN_EID_CHALLENGE = 16,
2715         /* 17-31 reserved for challenge text extension */
2716         WLAN_EID_PWR_CONSTRAINT = 32,
2717         WLAN_EID_PWR_CAPABILITY = 33,
2718         WLAN_EID_TPC_REQUEST = 34,
2719         WLAN_EID_TPC_REPORT = 35,
2720         WLAN_EID_SUPPORTED_CHANNELS = 36,
2721         WLAN_EID_CHANNEL_SWITCH = 37,
2722         WLAN_EID_MEASURE_REQUEST = 38,
2723         WLAN_EID_MEASURE_REPORT = 39,
2724         WLAN_EID_QUIET = 40,
2725         WLAN_EID_IBSS_DFS = 41,
2726         WLAN_EID_ERP_INFO = 42,
2727         WLAN_EID_TS_DELAY = 43,
2728         WLAN_EID_TCLAS_PROCESSING = 44,
2729         WLAN_EID_HT_CAPABILITY = 45,
2730         WLAN_EID_QOS_CAPA = 46,
2731         /* 47 reserved for Broadcom */
2732         WLAN_EID_RSN = 48,
2733         WLAN_EID_802_15_COEX = 49,
2734         WLAN_EID_EXT_SUPP_RATES = 50,
2735         WLAN_EID_AP_CHAN_REPORT = 51,
2736         WLAN_EID_NEIGHBOR_REPORT = 52,
2737         WLAN_EID_RCPI = 53,
2738         WLAN_EID_MOBILITY_DOMAIN = 54,
2739         WLAN_EID_FAST_BSS_TRANSITION = 55,
2740         WLAN_EID_TIMEOUT_INTERVAL = 56,
2741         WLAN_EID_RIC_DATA = 57,
2742         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2743         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2744         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2745         WLAN_EID_HT_OPERATION = 61,
2746         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2747         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2748         WLAN_EID_ANTENNA_INFO = 64,
2749         WLAN_EID_RSNI = 65,
2750         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2751         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2752         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2753         WLAN_EID_TIME_ADVERTISEMENT = 69,
2754         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2755         WLAN_EID_MULTIPLE_BSSID = 71,
2756         WLAN_EID_BSS_COEX_2040 = 72,
2757         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2758         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2759         WLAN_EID_RIC_DESCRIPTOR = 75,
2760         WLAN_EID_MMIE = 76,
2761         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2762         WLAN_EID_EVENT_REQUEST = 78,
2763         WLAN_EID_EVENT_REPORT = 79,
2764         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2765         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2766         WLAN_EID_LOCATION_PARAMS = 82,
2767         WLAN_EID_NON_TX_BSSID_CAP =  83,
2768         WLAN_EID_SSID_LIST = 84,
2769         WLAN_EID_MULTI_BSSID_IDX = 85,
2770         WLAN_EID_FMS_DESCRIPTOR = 86,
2771         WLAN_EID_FMS_REQUEST = 87,
2772         WLAN_EID_FMS_RESPONSE = 88,
2773         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2774         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2775         WLAN_EID_TSF_REQUEST = 91,
2776         WLAN_EID_TSF_RESPOSNE = 92,
2777         WLAN_EID_WNM_SLEEP_MODE = 93,
2778         WLAN_EID_TIM_BCAST_REQ = 94,
2779         WLAN_EID_TIM_BCAST_RESP = 95,
2780         WLAN_EID_COLL_IF_REPORT = 96,
2781         WLAN_EID_CHANNEL_USAGE = 97,
2782         WLAN_EID_TIME_ZONE = 98,
2783         WLAN_EID_DMS_REQUEST = 99,
2784         WLAN_EID_DMS_RESPONSE = 100,
2785         WLAN_EID_LINK_ID = 101,
2786         WLAN_EID_WAKEUP_SCHEDUL = 102,
2787         /* 103 reserved */
2788         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2789         WLAN_EID_PTI_CONTROL = 105,
2790         WLAN_EID_PU_BUFFER_STATUS = 106,
2791         WLAN_EID_INTERWORKING = 107,
2792         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2793         WLAN_EID_EXPEDITED_BW_REQ = 109,
2794         WLAN_EID_QOS_MAP_SET = 110,
2795         WLAN_EID_ROAMING_CONSORTIUM = 111,
2796         WLAN_EID_EMERGENCY_ALERT = 112,
2797         WLAN_EID_MESH_CONFIG = 113,
2798         WLAN_EID_MESH_ID = 114,
2799         WLAN_EID_LINK_METRIC_REPORT = 115,
2800         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2801         WLAN_EID_PEER_MGMT = 117,
2802         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2803         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2804         WLAN_EID_BEACON_TIMING = 120,
2805         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2806         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2807         WLAN_EID_MCCAOP_ADVERT = 123,
2808         WLAN_EID_MCCAOP_TEARDOWN = 124,
2809         WLAN_EID_GANN = 125,
2810         WLAN_EID_RANN = 126,
2811         WLAN_EID_EXT_CAPABILITY = 127,
2812         /* 128, 129 reserved for Agere */
2813         WLAN_EID_PREQ = 130,
2814         WLAN_EID_PREP = 131,
2815         WLAN_EID_PERR = 132,
2816         /* 133-136 reserved for Cisco */
2817         WLAN_EID_PXU = 137,
2818         WLAN_EID_PXUC = 138,
2819         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2820         WLAN_EID_MIC = 140,
2821         WLAN_EID_DESTINATION_URI = 141,
2822         WLAN_EID_UAPSD_COEX = 142,
2823         WLAN_EID_WAKEUP_SCHEDULE = 143,
2824         WLAN_EID_EXT_SCHEDULE = 144,
2825         WLAN_EID_STA_AVAILABILITY = 145,
2826         WLAN_EID_DMG_TSPEC = 146,
2827         WLAN_EID_DMG_AT = 147,
2828         WLAN_EID_DMG_CAP = 148,
2829         /* 149 reserved for Cisco */
2830         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2831         WLAN_EID_DMG_OPERATION = 151,
2832         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2833         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2834         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2835         /* 155-156 reserved for Cisco */
2836         WLAN_EID_AWAKE_WINDOW = 157,
2837         WLAN_EID_MULTI_BAND = 158,
2838         WLAN_EID_ADDBA_EXT = 159,
2839         WLAN_EID_NEXT_PCP_LIST = 160,
2840         WLAN_EID_PCP_HANDOVER = 161,
2841         WLAN_EID_DMG_LINK_MARGIN = 162,
2842         WLAN_EID_SWITCHING_STREAM = 163,
2843         WLAN_EID_SESSION_TRANSITION = 164,
2844         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2845         WLAN_EID_CLUSTER_REPORT = 166,
2846         WLAN_EID_RELAY_CAP = 167,
2847         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2848         WLAN_EID_BEAM_LINK_MAINT = 169,
2849         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2850         WLAN_EID_U_PID = 171,
2851         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2852         /* 173 reserved for Symbol */
2853         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2854         WLAN_EID_QUIET_PERIOD_REQ = 175,
2855         /* 176 reserved for Symbol */
2856         WLAN_EID_QUIET_PERIOD_RESP = 177,
2857         /* 178-179 reserved for Symbol */
2858         /* 180 reserved for ISO/IEC 20011 */
2859         WLAN_EID_EPAC_POLICY = 182,
2860         WLAN_EID_CLISTER_TIME_OFF = 183,
2861         WLAN_EID_INTER_AC_PRIO = 184,
2862         WLAN_EID_SCS_DESCRIPTOR = 185,
2863         WLAN_EID_QLOAD_REPORT = 186,
2864         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2865         WLAN_EID_HL_STREAM_ID = 188,
2866         WLAN_EID_GCR_GROUP_ADDR = 189,
2867         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2868         WLAN_EID_VHT_CAPABILITY = 191,
2869         WLAN_EID_VHT_OPERATION = 192,
2870         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2871         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2872         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2873         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2874         WLAN_EID_AID = 197,
2875         WLAN_EID_QUIET_CHANNEL = 198,
2876         WLAN_EID_OPMODE_NOTIF = 199,
2877
2878         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
2879
2880         WLAN_EID_AID_REQUEST = 210,
2881         WLAN_EID_AID_RESPONSE = 211,
2882         WLAN_EID_S1G_BCN_COMPAT = 213,
2883         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2884         WLAN_EID_S1G_CAPABILITIES = 217,
2885         WLAN_EID_VENDOR_SPECIFIC = 221,
2886         WLAN_EID_QOS_PARAMETER = 222,
2887         WLAN_EID_S1G_OPERATION = 232,
2888         WLAN_EID_CAG_NUMBER = 237,
2889         WLAN_EID_AP_CSN = 239,
2890         WLAN_EID_FILS_INDICATION = 240,
2891         WLAN_EID_DILS = 241,
2892         WLAN_EID_FRAGMENT = 242,
2893         WLAN_EID_RSNX = 244,
2894         WLAN_EID_EXTENSION = 255
2895 };
2896
2897 /* Element ID Extensions for Element ID 255 */
2898 enum ieee80211_eid_ext {
2899         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2900         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2901         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2902         WLAN_EID_EXT_FILS_SESSION = 4,
2903         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2904         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2905         WLAN_EID_EXT_KEY_DELIVERY = 7,
2906         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2907         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2908         WLAN_EID_EXT_FILS_NONCE = 13,
2909         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2910         WLAN_EID_EXT_HE_CAPABILITY = 35,
2911         WLAN_EID_EXT_HE_OPERATION = 36,
2912         WLAN_EID_EXT_UORA = 37,
2913         WLAN_EID_EXT_HE_MU_EDCA = 38,
2914         WLAN_EID_EXT_HE_SPR = 39,
2915         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
2916         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
2917         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
2918         WLAN_EID_EXT_ESS_REPORT = 45,
2919         WLAN_EID_EXT_OPS = 46,
2920         WLAN_EID_EXT_HE_BSS_LOAD = 47,
2921         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2922         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2923         WLAN_EID_EXT_NON_INHERITANCE = 56,
2924         WLAN_EID_EXT_KNOWN_BSSID = 57,
2925         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
2926         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
2927         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
2928 };
2929
2930 /* Action category code */
2931 enum ieee80211_category {
2932         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2933         WLAN_CATEGORY_QOS = 1,
2934         WLAN_CATEGORY_DLS = 2,
2935         WLAN_CATEGORY_BACK = 3,
2936         WLAN_CATEGORY_PUBLIC = 4,
2937         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2938         WLAN_CATEGORY_HT = 7,
2939         WLAN_CATEGORY_SA_QUERY = 8,
2940         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2941         WLAN_CATEGORY_WNM = 10,
2942         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2943         WLAN_CATEGORY_TDLS = 12,
2944         WLAN_CATEGORY_MESH_ACTION = 13,
2945         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2946         WLAN_CATEGORY_SELF_PROTECTED = 15,
2947         WLAN_CATEGORY_DMG = 16,
2948         WLAN_CATEGORY_WMM = 17,
2949         WLAN_CATEGORY_FST = 18,
2950         WLAN_CATEGORY_UNPROT_DMG = 20,
2951         WLAN_CATEGORY_VHT = 21,
2952         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2953         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2954 };
2955
2956 /* SPECTRUM_MGMT action code */
2957 enum ieee80211_spectrum_mgmt_actioncode {
2958         WLAN_ACTION_SPCT_MSR_REQ = 0,
2959         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2960         WLAN_ACTION_SPCT_TPC_REQ = 2,
2961         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2962         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2963 };
2964
2965 /* HT action codes */
2966 enum ieee80211_ht_actioncode {
2967         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2968         WLAN_HT_ACTION_SMPS = 1,
2969         WLAN_HT_ACTION_PSMP = 2,
2970         WLAN_HT_ACTION_PCO_PHASE = 3,
2971         WLAN_HT_ACTION_CSI = 4,
2972         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2973         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2974         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2975 };
2976
2977 /* VHT action codes */
2978 enum ieee80211_vht_actioncode {
2979         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2980         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2981         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2982 };
2983
2984 /* Self Protected Action codes */
2985 enum ieee80211_self_protected_actioncode {
2986         WLAN_SP_RESERVED = 0,
2987         WLAN_SP_MESH_PEERING_OPEN = 1,
2988         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2989         WLAN_SP_MESH_PEERING_CLOSE = 3,
2990         WLAN_SP_MGK_INFORM = 4,
2991         WLAN_SP_MGK_ACK = 5,
2992 };
2993
2994 /* Mesh action codes */
2995 enum ieee80211_mesh_actioncode {
2996         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2997         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2998         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2999         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3000         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3001         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3002         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3003         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3004         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3005         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3006         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3007 };
3008
3009 /* Security key length */
3010 enum ieee80211_key_len {
3011         WLAN_KEY_LEN_WEP40 = 5,
3012         WLAN_KEY_LEN_WEP104 = 13,
3013         WLAN_KEY_LEN_CCMP = 16,
3014         WLAN_KEY_LEN_CCMP_256 = 32,
3015         WLAN_KEY_LEN_TKIP = 32,
3016         WLAN_KEY_LEN_AES_CMAC = 16,
3017         WLAN_KEY_LEN_SMS4 = 32,
3018         WLAN_KEY_LEN_GCMP = 16,
3019         WLAN_KEY_LEN_GCMP_256 = 32,
3020         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3021         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3022         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3023 };
3024
3025 #define IEEE80211_WEP_IV_LEN            4
3026 #define IEEE80211_WEP_ICV_LEN           4
3027 #define IEEE80211_CCMP_HDR_LEN          8
3028 #define IEEE80211_CCMP_MIC_LEN          8
3029 #define IEEE80211_CCMP_PN_LEN           6
3030 #define IEEE80211_CCMP_256_HDR_LEN      8
3031 #define IEEE80211_CCMP_256_MIC_LEN      16
3032 #define IEEE80211_CCMP_256_PN_LEN       6
3033 #define IEEE80211_TKIP_IV_LEN           8
3034 #define IEEE80211_TKIP_ICV_LEN          4
3035 #define IEEE80211_CMAC_PN_LEN           6
3036 #define IEEE80211_GMAC_PN_LEN           6
3037 #define IEEE80211_GCMP_HDR_LEN          8
3038 #define IEEE80211_GCMP_MIC_LEN          16
3039 #define IEEE80211_GCMP_PN_LEN           6
3040
3041 #define FILS_NONCE_LEN                  16
3042 #define FILS_MAX_KEK_LEN                64
3043
3044 #define FILS_ERP_MAX_USERNAME_LEN       16
3045 #define FILS_ERP_MAX_REALM_LEN          253
3046 #define FILS_ERP_MAX_RRK_LEN            64
3047
3048 #define PMK_MAX_LEN                     64
3049 #define SAE_PASSWORD_MAX_LEN            128
3050
3051 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3052 enum ieee80211_pub_actioncode {
3053         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3054         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3055         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3056         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3057         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3058         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3059         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3060         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3061         WLAN_PUB_ACTION_DSE_PC = 8,
3062         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3063         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3064         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3065         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3066         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3067         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3068         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3069         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3070         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3071         WLAN_PUB_ACTION_QMF_POLICY = 18,
3072         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3073         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3074         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3075         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3076         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3077         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3078         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3079         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3080         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3081         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3082         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3083         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3084         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3085         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3086         WLAN_PUB_ACTION_FTM = 33,
3087         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3088 };
3089
3090 /* TDLS action codes */
3091 enum ieee80211_tdls_actioncode {
3092         WLAN_TDLS_SETUP_REQUEST = 0,
3093         WLAN_TDLS_SETUP_RESPONSE = 1,
3094         WLAN_TDLS_SETUP_CONFIRM = 2,
3095         WLAN_TDLS_TEARDOWN = 3,
3096         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3097         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3098         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3099         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3100         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3101         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3102         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3103 };
3104
3105 /* Extended Channel Switching capability to be set in the 1st byte of
3106  * the @WLAN_EID_EXT_CAPABILITY information element
3107  */
3108 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3109
3110 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3111  * @WLAN_EID_EXT_CAPABILITY information element
3112  */
3113 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3114
3115 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3116 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3117 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3118 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3119
3120 /* Interworking capabilities are set in 7th bit of 4th byte of the
3121  * @WLAN_EID_EXT_CAPABILITY information element
3122  */
3123 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3124
3125 /*
3126  * TDLS capabililites to be enabled in the 5th byte of the
3127  * @WLAN_EID_EXT_CAPABILITY information element
3128  */
3129 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3130 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3131 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3132
3133 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3134 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3135
3136 /* Defines the maximal number of MSDUs in an A-MSDU. */
3137 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3138 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3139
3140 /*
3141  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3142  * information element
3143  */
3144 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3145
3146 /* Defines support for TWT Requester and TWT Responder */
3147 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3148 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3149
3150 /*
3151  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3152  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3153  * 26-tone RU UL OFDMA transmissions as radar pulses).
3154  */
3155 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3156
3157 /* Defines support for enhanced multi-bssid advertisement*/
3158 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3159
3160 /* TDLS specific payload type in the LLC/SNAP header */
3161 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3162
3163 /* BSS Coex IE information field bits */
3164 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3165
3166 /**
3167  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3168  *
3169  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3170  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3171  *      that will be specified in a vendor specific information element
3172  */
3173 enum ieee80211_mesh_sync_method {
3174         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3175         IEEE80211_SYNC_METHOD_VENDOR = 255,
3176 };
3177
3178 /**
3179  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3180  *
3181  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3182  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3183  *      be specified in a vendor specific information element
3184  */
3185 enum ieee80211_mesh_path_protocol {
3186         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3187         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3188 };
3189
3190 /**
3191  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3192  *
3193  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3194  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3195  *      specified in a vendor specific information element
3196  */
3197 enum ieee80211_mesh_path_metric {
3198         IEEE80211_PATH_METRIC_AIRTIME = 1,
3199         IEEE80211_PATH_METRIC_VENDOR = 255,
3200 };
3201
3202 /**
3203  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3204  *
3205  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3206  *
3207  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3208  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3209  *      this value
3210  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3211  *      the proactive PREQ with proactive PREP subfield set to 0
3212  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3213  *      supports the proactive PREQ with proactive PREP subfield set to 1
3214  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3215  *      the proactive RANN
3216  */
3217 enum ieee80211_root_mode_identifier {
3218         IEEE80211_ROOTMODE_NO_ROOT = 0,
3219         IEEE80211_ROOTMODE_ROOT = 1,
3220         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3221         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3222         IEEE80211_PROACTIVE_RANN = 4,
3223 };
3224
3225 /*
3226  * IEEE 802.11-2007 7.3.2.9 Country information element
3227  *
3228  * Minimum length is 8 octets, ie len must be evenly
3229  * divisible by 2
3230  */
3231
3232 /* Although the spec says 8 I'm seeing 6 in practice */
3233 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3234
3235 /* The Country String field of the element shall be 3 octets in length */
3236 #define IEEE80211_COUNTRY_STRING_LEN    3
3237
3238 /*
3239  * For regulatory extension stuff see IEEE 802.11-2007
3240  * Annex I (page 1141) and Annex J (page 1147). Also
3241  * review 7.3.2.9.
3242  *
3243  * When dot11RegulatoryClassesRequired is true and the
3244  * first_channel/reg_extension_id is >= 201 then the IE
3245  * compromises of the 'ext' struct represented below:
3246  *
3247  *  - Regulatory extension ID - when generating IE this just needs
3248  *    to be monotonically increasing for each triplet passed in
3249  *    the IE
3250  *  - Regulatory class - index into set of rules
3251  *  - Coverage class - index into air propagation time (Table 7-27),
3252  *    in microseconds, you can compute the air propagation time from
3253  *    the index by multiplying by 3, so index 10 yields a propagation
3254  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3255  *    yet. A value of 0 inicates air propagation of <= 1 us.
3256  *
3257  *  See also Table I.2 for Emission limit sets and table
3258  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3259  *  a reg_class to an emission limit set and behavior limit set.
3260  */
3261 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3262
3263 /*
3264  *  Channels numbers in the IE must be monotonically increasing
3265  *  if dot11RegulatoryClassesRequired is not true.
3266  *
3267  *  If dot11RegulatoryClassesRequired is true consecutive
3268  *  subband triplets following a regulatory triplet shall
3269  *  have monotonically increasing first_channel number fields.
3270  *
3271  *  Channel numbers shall not overlap.
3272  *
3273  *  Note that max_power is signed.
3274  */
3275 struct ieee80211_country_ie_triplet {
3276         union {
3277                 struct {
3278                         u8 first_channel;
3279                         u8 num_channels;
3280                         s8 max_power;
3281                 } __packed chans;
3282                 struct {
3283                         u8 reg_extension_id;
3284                         u8 reg_class;
3285                         u8 coverage_class;
3286                 } __packed ext;
3287         };
3288 } __packed;
3289
3290 enum ieee80211_timeout_interval_type {
3291         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3292         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3293         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3294 };
3295
3296 /**
3297  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3298  * @type: type, see &enum ieee80211_timeout_interval_type
3299  * @value: timeout interval value
3300  */
3301 struct ieee80211_timeout_interval_ie {
3302         u8 type;
3303         __le32 value;
3304 } __packed;
3305
3306 /**
3307  * enum ieee80211_idle_options - BSS idle options
3308  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3309  *      protected frame to the AP to reset the idle timer at the AP for
3310  *      the station.
3311  */
3312 enum ieee80211_idle_options {
3313         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3314 };
3315
3316 /**
3317  * struct ieee80211_bss_max_idle_period_ie
3318  *
3319  * This structure refers to "BSS Max idle period element"
3320  *
3321  * @max_idle_period: indicates the time period during which a station can
3322  *      refrain from transmitting frames to its associated AP without being
3323  *      disassociated. In units of 1000 TUs.
3324  * @idle_options: indicates the options associated with the BSS idle capability
3325  *      as specified in &enum ieee80211_idle_options.
3326  */
3327 struct ieee80211_bss_max_idle_period_ie {
3328         __le16 max_idle_period;
3329         u8 idle_options;
3330 } __packed;
3331
3332 /* BACK action code */
3333 enum ieee80211_back_actioncode {
3334         WLAN_ACTION_ADDBA_REQ = 0,
3335         WLAN_ACTION_ADDBA_RESP = 1,
3336         WLAN_ACTION_DELBA = 2,
3337 };
3338
3339 /* BACK (block-ack) parties */
3340 enum ieee80211_back_parties {
3341         WLAN_BACK_RECIPIENT = 0,
3342         WLAN_BACK_INITIATOR = 1,
3343 };
3344
3345 /* SA Query action */
3346 enum ieee80211_sa_query_action {
3347         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3348         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3349 };
3350
3351 /**
3352  * struct ieee80211_bssid_index
3353  *
3354  * This structure refers to "Multiple BSSID-index element"
3355  *
3356  * @bssid_index: BSSID index
3357  * @dtim_period: optional, overrides transmitted BSS dtim period
3358  * @dtim_count: optional, overrides transmitted BSS dtim count
3359  */
3360 struct ieee80211_bssid_index {
3361         u8 bssid_index;
3362         u8 dtim_period;
3363         u8 dtim_count;
3364 };
3365
3366 /**
3367  * struct ieee80211_multiple_bssid_configuration
3368  *
3369  * This structure refers to "Multiple BSSID Configuration element"
3370  *
3371  * @bssid_count: total number of active BSSIDs in the set
3372  * @profile_periodicity: the least number of beacon frames need to be received
3373  *      in order to discover all the nontransmitted BSSIDs in the set.
3374  */
3375 struct ieee80211_multiple_bssid_configuration {
3376         u8 bssid_count;
3377         u8 profile_periodicity;
3378 };
3379
3380 #define SUITE(oui, id)  (((oui) << 8) | (id))
3381
3382 /* cipher suite selectors */
3383 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3384 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3385 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3386 /* reserved:                            SUITE(0x000FAC, 3) */
3387 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3388 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3389 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3390 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3391 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3392 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3393 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3394 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3395 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3396
3397 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3398
3399 /* AKM suite selectors */
3400 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3401 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3402 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3403 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3404 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3405 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3406 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3407 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3408 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3409 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3410 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3411 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3412 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3413 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3414 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3415 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3416 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3417 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3418 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3419 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3420
3421 #define WLAN_AKM_SUITE_WFA_DPP                  SUITE(WLAN_OUI_WFA, 2)
3422
3423 #define WLAN_MAX_KEY_LEN                32
3424
3425 #define WLAN_PMK_NAME_LEN               16
3426 #define WLAN_PMKID_LEN                  16
3427 #define WLAN_PMK_LEN_EAP_LEAP           16
3428 #define WLAN_PMK_LEN                    32
3429 #define WLAN_PMK_LEN_SUITE_B_192        48
3430
3431 #define WLAN_OUI_WFA                    0x506f9a
3432 #define WLAN_OUI_TYPE_WFA_P2P           9
3433 #define WLAN_OUI_TYPE_WFA_DPP           0x1A
3434 #define WLAN_OUI_MICROSOFT              0x0050f2
3435 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3436 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3437 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3438 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3439
3440 /*
3441  * WMM/802.11e Tspec Element
3442  */
3443 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3444 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3445
3446 enum ieee80211_tspec_status_code {
3447         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3448         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3449 };
3450
3451 struct ieee80211_tspec_ie {
3452         u8 element_id;
3453         u8 len;
3454         u8 oui[3];
3455         u8 oui_type;
3456         u8 oui_subtype;
3457         u8 version;
3458         __le16 tsinfo;
3459         u8 tsinfo_resvd;
3460         __le16 nominal_msdu;
3461         __le16 max_msdu;
3462         __le32 min_service_int;
3463         __le32 max_service_int;
3464         __le32 inactivity_int;
3465         __le32 suspension_int;
3466         __le32 service_start_time;
3467         __le32 min_data_rate;
3468         __le32 mean_data_rate;
3469         __le32 peak_data_rate;
3470         __le32 max_burst_size;
3471         __le32 delay_bound;
3472         __le32 min_phy_rate;
3473         __le16 sba;
3474         __le16 medium_time;
3475 } __packed;
3476
3477 struct ieee80211_he_6ghz_capa {
3478         /* uses IEEE80211_HE_6GHZ_CAP_* below */
3479         __le16 capa;
3480 } __packed;
3481
3482 /* HE 6 GHz band capabilities */
3483 /* uses enum ieee80211_min_mpdu_spacing values */
3484 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
3485 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3486 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
3487 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3488 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
3489 /* WLAN_HT_CAP_SM_PS_* values */
3490 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
3491 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
3492 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
3493 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
3494
3495 /**
3496  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3497  * @hdr: the frame
3498  *
3499  * The qos ctrl bytes come after the frame_control, duration, seq_num
3500  * and 3 or 4 addresses of length ETH_ALEN.
3501  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3502  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3503  */
3504 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3505 {
3506         if (ieee80211_has_a4(hdr->frame_control))
3507                 return (u8 *)hdr + 30;
3508         else
3509                 return (u8 *)hdr + 24;
3510 }
3511
3512 /**
3513  * ieee80211_get_tid - get qos TID
3514  * @hdr: the frame
3515  */
3516 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3517 {
3518         u8 *qc = ieee80211_get_qos_ctl(hdr);
3519
3520         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3521 }
3522
3523 /**
3524  * ieee80211_get_SA - get pointer to SA
3525  * @hdr: the frame
3526  *
3527  * Given an 802.11 frame, this function returns the offset
3528  * to the source address (SA). It does not verify that the
3529  * header is long enough to contain the address, and the
3530  * header must be long enough to contain the frame control
3531  * field.
3532  */
3533 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3534 {
3535         if (ieee80211_has_a4(hdr->frame_control))
3536                 return hdr->addr4;
3537         if (ieee80211_has_fromds(hdr->frame_control))
3538                 return hdr->addr3;
3539         return hdr->addr2;
3540 }
3541
3542 /**
3543  * ieee80211_get_DA - get pointer to DA
3544  * @hdr: the frame
3545  *
3546  * Given an 802.11 frame, this function returns the offset
3547  * to the destination address (DA). It does not verify that
3548  * the header is long enough to contain the address, and the
3549  * header must be long enough to contain the frame control
3550  * field.
3551  */
3552 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3553 {
3554         if (ieee80211_has_tods(hdr->frame_control))
3555                 return hdr->addr3;
3556         else
3557                 return hdr->addr1;
3558 }
3559
3560 /**
3561  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3562  * @hdr: the frame (buffer must include at least the first octet of payload)
3563  */
3564 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3565 {
3566         if (ieee80211_is_disassoc(hdr->frame_control) ||
3567             ieee80211_is_deauth(hdr->frame_control))
3568                 return true;
3569
3570         if (ieee80211_is_action(hdr->frame_control)) {
3571                 u8 *category;
3572
3573                 /*
3574                  * Action frames, excluding Public Action frames, are Robust
3575                  * Management Frames. However, if we are looking at a Protected
3576                  * frame, skip the check since the data may be encrypted and
3577                  * the frame has already been found to be a Robust Management
3578                  * Frame (by the other end).
3579                  */
3580                 if (ieee80211_has_protected(hdr->frame_control))
3581                         return true;
3582                 category = ((u8 *) hdr) + 24;
3583                 return *category != WLAN_CATEGORY_PUBLIC &&
3584                         *category != WLAN_CATEGORY_HT &&
3585                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3586                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3587                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3588                         *category != WLAN_CATEGORY_VHT &&
3589                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3590         }
3591
3592         return false;
3593 }
3594
3595 /**
3596  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3597  * @skb: the skb containing the frame, length will be checked
3598  */
3599 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3600 {
3601         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3602                 return false;
3603         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3604 }
3605
3606 /**
3607  * ieee80211_is_public_action - check if frame is a public action frame
3608  * @hdr: the frame
3609  * @len: length of the frame
3610  */
3611 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3612                                               size_t len)
3613 {
3614         struct ieee80211_mgmt *mgmt = (void *)hdr;
3615
3616         if (len < IEEE80211_MIN_ACTION_SIZE)
3617                 return false;
3618         if (!ieee80211_is_action(hdr->frame_control))
3619                 return false;
3620         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3621 }
3622
3623 /**
3624  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3625  * privacy action frame
3626  * @hdr: the frame
3627  */
3628 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3629 {
3630         struct ieee80211_mgmt *mgmt = (void *)hdr;
3631
3632         if (!ieee80211_is_action(hdr->frame_control) ||
3633             !is_multicast_ether_addr(hdr->addr1))
3634                 return false;
3635
3636         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3637                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3638 }
3639
3640 /**
3641  * ieee80211_is_group_privacy_action - check if frame is a group addressed
3642  * privacy action frame
3643  * @skb: the skb containing the frame, length will be checked
3644  */
3645 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3646 {
3647         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3648                 return false;
3649         return _ieee80211_is_group_privacy_action((void *)skb->data);
3650 }
3651
3652 /**
3653  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3654  * @tu: the TUs
3655  */
3656 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3657 {
3658         return 1024 * tu;
3659 }
3660
3661 /**
3662  * ieee80211_check_tim - check if AID bit is set in TIM
3663  * @tim: the TIM IE
3664  * @tim_len: length of the TIM IE
3665  * @aid: the AID to look for
3666  */
3667 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3668                                        u8 tim_len, u16 aid)
3669 {
3670         u8 mask;
3671         u8 index, indexn1, indexn2;
3672
3673         if (unlikely(!tim || tim_len < sizeof(*tim)))
3674                 return false;
3675
3676         aid &= 0x3fff;
3677         index = aid / 8;
3678         mask  = 1 << (aid & 7);
3679
3680         indexn1 = tim->bitmap_ctrl & 0xfe;
3681         indexn2 = tim_len + indexn1 - 4;
3682
3683         if (index < indexn1 || index > indexn2)
3684                 return false;
3685
3686         index -= indexn1;
3687
3688         return !!(tim->virtual_map[index] & mask);
3689 }
3690
3691 /**
3692  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3693  * @skb: the skb containing the frame, length will not be checked
3694  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3695  *
3696  * This function assumes the frame is a data frame, and that the network header
3697  * is in the correct place.
3698  */
3699 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3700 {
3701         if (!skb_is_nonlinear(skb) &&
3702             skb->len > (skb_network_offset(skb) + 2)) {
3703                 /* Point to where the indication of TDLS should start */
3704                 const u8 *tdls_data = skb_network_header(skb) - 2;
3705
3706                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3707                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3708                     tdls_data[3] == WLAN_CATEGORY_TDLS)
3709                         return tdls_data[4];
3710         }
3711
3712         return -1;
3713 }
3714
3715 /* convert time units */
3716 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
3717 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
3718
3719 /* convert frequencies */
3720 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3721 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3722 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3723 #define KHZ_F "%d.%03d"
3724
3725 /* convert powers */
3726 #define DBI_TO_MBI(gain) ((gain) * 100)
3727 #define MBI_TO_DBI(gain) ((gain) / 100)
3728 #define DBM_TO_MBM(gain) ((gain) * 100)
3729 #define MBM_TO_DBM(gain) ((gain) / 100)
3730
3731 /**
3732  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3733  * @skb: the skb containing the frame, length will be checked
3734  *
3735  * This function checks if it's either TPC report action frame or Link
3736  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3737  * and 8.5.7.5 accordingly.
3738  */
3739 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3740 {
3741         struct ieee80211_mgmt *mgmt = (void *)skb->data;
3742
3743         if (!ieee80211_is_action(mgmt->frame_control))
3744                 return false;
3745
3746         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3747                        sizeof(mgmt->u.action.u.tpc_report))
3748                 return false;
3749
3750         /*
3751          * TPC report - check that:
3752          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3753          * spectrum management action = 3 (TPC/Link Measurement report)
3754          * TPC report EID = 35
3755          * TPC report element length = 2
3756          *
3757          * The spectrum management's tpc_report struct is used here both for
3758          * parsing tpc_report and radio measurement's link measurement report
3759          * frame, since the relevant part is identical in both frames.
3760          */
3761         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3762             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3763                 return false;
3764
3765         /* both spectrum mgmt and link measurement have same action code */
3766         if (mgmt->u.action.u.tpc_report.action_code !=
3767             WLAN_ACTION_SPCT_TPC_RPRT)
3768                 return false;
3769
3770         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3771             mgmt->u.action.u.tpc_report.tpc_elem_length !=
3772             sizeof(struct ieee80211_tpc_report_ie))
3773                 return false;
3774
3775         return true;
3776 }
3777
3778 struct element {
3779         u8 id;
3780         u8 datalen;
3781         u8 data[];
3782 } __packed;
3783
3784 /* element iteration helpers */
3785 #define for_each_element(_elem, _data, _datalen)                        \
3786         for (_elem = (const struct element *)(_data);                   \
3787              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3788                 (int)sizeof(*_elem) &&                                  \
3789              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3790                 (int)sizeof(*_elem) + _elem->datalen;                   \
3791              _elem = (const struct element *)(_elem->data + _elem->datalen))
3792
3793 #define for_each_element_id(element, _id, data, datalen)                \
3794         for_each_element(element, data, datalen)                        \
3795                 if (element->id == (_id))
3796
3797 #define for_each_element_extid(element, extid, _data, _datalen)         \
3798         for_each_element(element, _data, _datalen)                      \
3799                 if (element->id == WLAN_EID_EXTENSION &&                \
3800                     element->datalen > 0 &&                             \
3801                     element->data[0] == (extid))
3802
3803 #define for_each_subelement(sub, element)                               \
3804         for_each_element(sub, (element)->data, (element)->datalen)
3805
3806 #define for_each_subelement_id(sub, id, element)                        \
3807         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3808
3809 #define for_each_subelement_extid(sub, extid, element)                  \
3810         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3811
3812 /**
3813  * for_each_element_completed - determine if element parsing consumed all data
3814  * @element: element pointer after for_each_element() or friends
3815  * @data: same data pointer as passed to for_each_element() or friends
3816  * @datalen: same data length as passed to for_each_element() or friends
3817  *
3818  * This function returns %true if all the data was parsed or considered
3819  * while walking the elements. Only use this if your for_each_element()
3820  * loop cannot be broken out of, otherwise it always returns %false.
3821  *
3822  * If some data was malformed, this returns %false since the last parsed
3823  * element will not fill the whole remaining data.
3824  */
3825 static inline bool for_each_element_completed(const struct element *element,
3826                                               const void *data, size_t datalen)
3827 {
3828         return (const u8 *)element == (const u8 *)data + datalen;
3829 }
3830
3831 /**
3832  * RSNX Capabilities:
3833  * bits 0-3: Field length (n-1)
3834  */
3835 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3836 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3837
3838 /*
3839  * reduced neighbor report, based on Draft P802.11ax_D6.1,
3840  * section 9.4.2.170 and accepted contributions.
3841  */
3842 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
3843 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
3844 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
3845 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
3846 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              9
3847 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        13
3848
3849 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
3850 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
3851 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
3852 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
3853 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
3854 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
3855 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
3856
3857 struct ieee80211_neighbor_ap_info {
3858        u8 tbtt_info_hdr;
3859        u8 tbtt_info_len;
3860        u8 op_class;
3861        u8 channel;
3862 } __packed;
3863
3864 #endif /* LINUX_IEEE80211_H */