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
1265 /* mgmt header + 1 byte category code */
1266 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1267
1268
1269 /* Management MIC information element (IEEE 802.11w) */
1270 struct ieee80211_mmie {
1271         u8 element_id;
1272         u8 length;
1273         __le16 key_id;
1274         u8 sequence_number[6];
1275         u8 mic[8];
1276 } __packed;
1277
1278 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1279 struct ieee80211_mmie_16 {
1280         u8 element_id;
1281         u8 length;
1282         __le16 key_id;
1283         u8 sequence_number[6];
1284         u8 mic[16];
1285 } __packed;
1286
1287 struct ieee80211_vendor_ie {
1288         u8 element_id;
1289         u8 len;
1290         u8 oui[3];
1291         u8 oui_type;
1292 } __packed;
1293
1294 struct ieee80211_wmm_ac_param {
1295         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1296         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1297         __le16 txop_limit;
1298 } __packed;
1299
1300 struct ieee80211_wmm_param_ie {
1301         u8 element_id; /* Element ID: 221 (0xdd); */
1302         u8 len; /* Length: 24 */
1303         /* required fields for WMM version 1 */
1304         u8 oui[3]; /* 00:50:f2 */
1305         u8 oui_type; /* 2 */
1306         u8 oui_subtype; /* 1 */
1307         u8 version; /* 1 for WMM version 1.0 */
1308         u8 qos_info; /* AP/STA specific QoS info */
1309         u8 reserved; /* 0 */
1310         /* AC_BE, AC_BK, AC_VI, AC_VO */
1311         struct ieee80211_wmm_ac_param ac[4];
1312 } __packed;
1313
1314 /* Control frames */
1315 struct ieee80211_rts {
1316         __le16 frame_control;
1317         __le16 duration;
1318         u8 ra[ETH_ALEN];
1319         u8 ta[ETH_ALEN];
1320 } __packed __aligned(2);
1321
1322 struct ieee80211_cts {
1323         __le16 frame_control;
1324         __le16 duration;
1325         u8 ra[ETH_ALEN];
1326 } __packed __aligned(2);
1327
1328 struct ieee80211_pspoll {
1329         __le16 frame_control;
1330         __le16 aid;
1331         u8 bssid[ETH_ALEN];
1332         u8 ta[ETH_ALEN];
1333 } __packed __aligned(2);
1334
1335 /* TDLS */
1336
1337 /* Channel switch timing */
1338 struct ieee80211_ch_switch_timing {
1339         __le16 switch_time;
1340         __le16 switch_timeout;
1341 } __packed;
1342
1343 /* Link-id information element */
1344 struct ieee80211_tdls_lnkie {
1345         u8 ie_type; /* Link Identifier IE */
1346         u8 ie_len;
1347         u8 bssid[ETH_ALEN];
1348         u8 init_sta[ETH_ALEN];
1349         u8 resp_sta[ETH_ALEN];
1350 } __packed;
1351
1352 struct ieee80211_tdls_data {
1353         u8 da[ETH_ALEN];
1354         u8 sa[ETH_ALEN];
1355         __be16 ether_type;
1356         u8 payload_type;
1357         u8 category;
1358         u8 action_code;
1359         union {
1360                 struct {
1361                         u8 dialog_token;
1362                         __le16 capability;
1363                         u8 variable[0];
1364                 } __packed setup_req;
1365                 struct {
1366                         __le16 status_code;
1367                         u8 dialog_token;
1368                         __le16 capability;
1369                         u8 variable[0];
1370                 } __packed setup_resp;
1371                 struct {
1372                         __le16 status_code;
1373                         u8 dialog_token;
1374                         u8 variable[0];
1375                 } __packed setup_cfm;
1376                 struct {
1377                         __le16 reason_code;
1378                         u8 variable[0];
1379                 } __packed teardown;
1380                 struct {
1381                         u8 dialog_token;
1382                         u8 variable[0];
1383                 } __packed discover_req;
1384                 struct {
1385                         u8 target_channel;
1386                         u8 oper_class;
1387                         u8 variable[0];
1388                 } __packed chan_switch_req;
1389                 struct {
1390                         __le16 status_code;
1391                         u8 variable[0];
1392                 } __packed chan_switch_resp;
1393         } u;
1394 } __packed;
1395
1396 /*
1397  * Peer-to-Peer IE attribute related definitions.
1398  */
1399 /**
1400  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1401  */
1402 enum ieee80211_p2p_attr_id {
1403         IEEE80211_P2P_ATTR_STATUS = 0,
1404         IEEE80211_P2P_ATTR_MINOR_REASON,
1405         IEEE80211_P2P_ATTR_CAPABILITY,
1406         IEEE80211_P2P_ATTR_DEVICE_ID,
1407         IEEE80211_P2P_ATTR_GO_INTENT,
1408         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1409         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1410         IEEE80211_P2P_ATTR_GROUP_BSSID,
1411         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1412         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1413         IEEE80211_P2P_ATTR_MANAGABILITY,
1414         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1415         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1416         IEEE80211_P2P_ATTR_DEVICE_INFO,
1417         IEEE80211_P2P_ATTR_GROUP_INFO,
1418         IEEE80211_P2P_ATTR_GROUP_ID,
1419         IEEE80211_P2P_ATTR_INTERFACE,
1420         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1421         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1422         /* 19 - 220: Reserved */
1423         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1424
1425         IEEE80211_P2P_ATTR_MAX
1426 };
1427
1428 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1429 /* Typical max value used here */
1430 #define IEEE80211_P2P_NOA_DESC_MAX      4
1431
1432 struct ieee80211_p2p_noa_desc {
1433         u8 count;
1434         __le32 duration;
1435         __le32 interval;
1436         __le32 start_time;
1437 } __packed;
1438
1439 struct ieee80211_p2p_noa_attr {
1440         u8 index;
1441         u8 oppps_ctwindow;
1442         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1443 } __packed;
1444
1445 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1446 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1447
1448 /**
1449  * struct ieee80211_bar - HT Block Ack Request
1450  *
1451  * This structure refers to "HT BlockAckReq" as
1452  * described in 802.11n draft section 7.2.1.7.1
1453  */
1454 struct ieee80211_bar {
1455         __le16 frame_control;
1456         __le16 duration;
1457         __u8 ra[ETH_ALEN];
1458         __u8 ta[ETH_ALEN];
1459         __le16 control;
1460         __le16 start_seq_num;
1461 } __packed;
1462
1463 /* 802.11 BAR control masks */
1464 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1465 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1466 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1467 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1468 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1469
1470 #define IEEE80211_HT_MCS_MASK_LEN               10
1471
1472 /**
1473  * struct ieee80211_mcs_info - MCS information
1474  * @rx_mask: RX mask
1475  * @rx_highest: highest supported RX rate. If set represents
1476  *      the highest supported RX data rate in units of 1 Mbps.
1477  *      If this field is 0 this value should not be used to
1478  *      consider the highest RX data rate supported.
1479  * @tx_params: TX parameters
1480  */
1481 struct ieee80211_mcs_info {
1482         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1483         __le16 rx_highest;
1484         u8 tx_params;
1485         u8 reserved[3];
1486 } __packed;
1487
1488 /* 802.11n HT capability MSC set */
1489 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1490 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1491 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1492 /* value 0 == 1 stream etc */
1493 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1494 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1495 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1496 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1497
1498 /*
1499  * 802.11n D5.0 20.3.5 / 20.6 says:
1500  * - indices 0 to 7 and 32 are single spatial stream
1501  * - 8 to 31 are multiple spatial streams using equal modulation
1502  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1503  * - remainder are multiple spatial streams using unequal modulation
1504  */
1505 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1506 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1507         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1508
1509 /**
1510  * struct ieee80211_ht_cap - HT capabilities
1511  *
1512  * This structure is the "HT capabilities element" as
1513  * described in 802.11n D5.0 7.3.2.57
1514  */
1515 struct ieee80211_ht_cap {
1516         __le16 cap_info;
1517         u8 ampdu_params_info;
1518
1519         /* 16 bytes MCS information */
1520         struct ieee80211_mcs_info mcs;
1521
1522         __le16 extended_ht_cap_info;
1523         __le32 tx_BF_cap_info;
1524         u8 antenna_selection_info;
1525 } __packed;
1526
1527 /* 802.11n HT capabilities masks (for cap_info) */
1528 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1529 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1530 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1531 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1532 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1533 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1534 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1535 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1536 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1537 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1538 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1539 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1540 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1541 #define IEEE80211_HT_CAP_RESERVED               0x2000
1542 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1543 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1544
1545 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1546 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1547 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1548 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1549 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1550 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1551 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1552 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1553
1554 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1555 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1556 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1557 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1558
1559 /*
1560  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1561  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1562  */
1563 enum ieee80211_max_ampdu_length_exp {
1564         IEEE80211_HT_MAX_AMPDU_8K = 0,
1565         IEEE80211_HT_MAX_AMPDU_16K = 1,
1566         IEEE80211_HT_MAX_AMPDU_32K = 2,
1567         IEEE80211_HT_MAX_AMPDU_64K = 3
1568 };
1569
1570 /*
1571  * Maximum length of AMPDU that the STA can receive in VHT.
1572  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1573  */
1574 enum ieee80211_vht_max_ampdu_length_exp {
1575         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1576         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1577         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1578         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1579         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1580         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1581         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1582         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1583 };
1584
1585 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1586
1587 /* Minimum MPDU start spacing */
1588 enum ieee80211_min_mpdu_spacing {
1589         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1590         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1591         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1592         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1593         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1594         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1595         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1596         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1597 };
1598
1599 /**
1600  * struct ieee80211_ht_operation - HT operation IE
1601  *
1602  * This structure is the "HT operation element" as
1603  * described in 802.11n-2009 7.3.2.57
1604  */
1605 struct ieee80211_ht_operation {
1606         u8 primary_chan;
1607         u8 ht_param;
1608         __le16 operation_mode;
1609         __le16 stbc_param;
1610         u8 basic_set[16];
1611 } __packed;
1612
1613 /* for ht_param */
1614 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1615 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1616 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1617 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1618 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1619 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1620
1621 /* for operation_mode */
1622 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1623 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1624 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1625 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1626 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1627 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1628 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1629 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1630 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1631
1632 /* for stbc_param */
1633 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1634 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1635 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1636 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1637 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1638 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1639
1640
1641 /* block-ack parameters */
1642 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1643 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1644 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1645 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1646 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1647 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1648
1649 /*
1650  * A-MPDU buffer sizes
1651  * According to HT size varies from 8 to 64 frames
1652  * HE adds the ability to have up to 256 frames.
1653  */
1654 #define IEEE80211_MIN_AMPDU_BUF         0x8
1655 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1656 #define IEEE80211_MAX_AMPDU_BUF         0x100
1657
1658
1659 /* Spatial Multiplexing Power Save Modes (for capability) */
1660 #define WLAN_HT_CAP_SM_PS_STATIC        0
1661 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1662 #define WLAN_HT_CAP_SM_PS_INVALID       2
1663 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1664
1665 /* for SM power control field lower two bits */
1666 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1667 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1668 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1669
1670 /**
1671  * struct ieee80211_vht_mcs_info - VHT MCS information
1672  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1673  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1674  *      STA can receive. Rate expressed in units of 1 Mbps.
1675  *      If this field is 0 this value should not be used to
1676  *      consider the highest RX data rate supported.
1677  *      The top 3 bits of this field indicate the Maximum NSTS,total
1678  *      (a beamformee capability.)
1679  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1680  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1681  *      STA can transmit. Rate expressed in units of 1 Mbps.
1682  *      If this field is 0 this value should not be used to
1683  *      consider the highest TX data rate supported.
1684  *      The top 2 bits of this field are reserved, the
1685  *      3rd bit from the top indiciates VHT Extended NSS BW
1686  *      Capability.
1687  */
1688 struct ieee80211_vht_mcs_info {
1689         __le16 rx_mcs_map;
1690         __le16 rx_highest;
1691         __le16 tx_mcs_map;
1692         __le16 tx_highest;
1693 } __packed;
1694
1695 /* for rx_highest */
1696 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1697 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1698
1699 /* for tx_highest */
1700 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1701
1702 /**
1703  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1704  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1705  *      number of streams
1706  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1707  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1708  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1709  *
1710  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1711  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1712  * both split into 8 subfields by number of streams. These values indicate
1713  * which MCSes are supported for the number of streams the value appears
1714  * for.
1715  */
1716 enum ieee80211_vht_mcs_support {
1717         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1718         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1719         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1720         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1721 };
1722
1723 /**
1724  * struct ieee80211_vht_cap - VHT capabilities
1725  *
1726  * This structure is the "VHT capabilities element" as
1727  * described in 802.11ac D3.0 8.4.2.160
1728  * @vht_cap_info: VHT capability info
1729  * @supp_mcs: VHT MCS supported rates
1730  */
1731 struct ieee80211_vht_cap {
1732         __le32 vht_cap_info;
1733         struct ieee80211_vht_mcs_info supp_mcs;
1734 } __packed;
1735
1736 /**
1737  * enum ieee80211_vht_chanwidth - VHT channel width
1738  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1739  *      determine the channel width (20 or 40 MHz)
1740  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1741  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1742  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1743  */
1744 enum ieee80211_vht_chanwidth {
1745         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1746         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1747         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1748         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1749 };
1750
1751 /**
1752  * struct ieee80211_vht_operation - VHT operation IE
1753  *
1754  * This structure is the "VHT operation element" as
1755  * described in 802.11ac D3.0 8.4.2.161
1756  * @chan_width: Operating channel width
1757  * @center_freq_seg0_idx: center freq segment 0 index
1758  * @center_freq_seg1_idx: center freq segment 1 index
1759  * @basic_mcs_set: VHT Basic MCS rate set
1760  */
1761 struct ieee80211_vht_operation {
1762         u8 chan_width;
1763         u8 center_freq_seg0_idx;
1764         u8 center_freq_seg1_idx;
1765         __le16 basic_mcs_set;
1766 } __packed;
1767
1768 /**
1769  * struct ieee80211_he_cap_elem - HE capabilities element
1770  *
1771  * This structure is the "HE capabilities element" fixed fields as
1772  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1773  */
1774 struct ieee80211_he_cap_elem {
1775         u8 mac_cap_info[6];
1776         u8 phy_cap_info[11];
1777 } __packed;
1778
1779 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1780
1781 /**
1782  * enum ieee80211_he_mcs_support - HE MCS support definitions
1783  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1784  *      number of streams
1785  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1786  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1787  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1788  *
1789  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1790  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1791  * both split into 8 subfields by number of streams. These values indicate
1792  * which MCSes are supported for the number of streams the value appears
1793  * for.
1794  */
1795 enum ieee80211_he_mcs_support {
1796         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1797         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1798         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1799         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1800 };
1801
1802 /**
1803  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1804  *
1805  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1806  * described in P802.11ax_D2.0 section 9.4.2.237.4
1807  *
1808  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1809  *     widths less than 80MHz.
1810  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1811  *     widths less than 80MHz.
1812  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1813  *     width 160MHz.
1814  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1815  *     width 160MHz.
1816  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1817  *     channel width 80p80MHz.
1818  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1819  *     channel width 80p80MHz.
1820  */
1821 struct ieee80211_he_mcs_nss_supp {
1822         __le16 rx_mcs_80;
1823         __le16 tx_mcs_80;
1824         __le16 rx_mcs_160;
1825         __le16 tx_mcs_160;
1826         __le16 rx_mcs_80p80;
1827         __le16 tx_mcs_80p80;
1828 } __packed;
1829
1830 /**
1831  * struct ieee80211_he_operation - HE capabilities element
1832  *
1833  * This structure is the "HE operation element" fields as
1834  * described in P802.11ax_D4.0 section 9.4.2.243
1835  */
1836 struct ieee80211_he_operation {
1837         __le32 he_oper_params;
1838         __le16 he_mcs_nss_set;
1839         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1840         u8 optional[];
1841 } __packed;
1842
1843 /**
1844  * struct ieee80211_he_spr - HE spatial reuse element
1845  *
1846  * This structure is the "HE spatial reuse element" element as
1847  * described in P802.11ax_D4.0 section 9.4.2.241
1848  */
1849 struct ieee80211_he_spr {
1850         u8 he_sr_control;
1851         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1852         u8 optional[];
1853 } __packed;
1854
1855 /**
1856  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1857  *
1858  * This structure is the "MU AC Parameter Record" fields as
1859  * described in P802.11ax_D4.0 section 9.4.2.245
1860  */
1861 struct ieee80211_he_mu_edca_param_ac_rec {
1862         u8 aifsn;
1863         u8 ecw_min_max;
1864         u8 mu_edca_timer;
1865 } __packed;
1866
1867 /**
1868  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1869  *
1870  * This structure is the "MU EDCA Parameter Set element" fields as
1871  * described in P802.11ax_D4.0 section 9.4.2.245
1872  */
1873 struct ieee80211_mu_edca_param_set {
1874         u8 mu_qos_info;
1875         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1876         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1877         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1878         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1879 } __packed;
1880
1881 /* 802.11ac VHT Capabilities */
1882 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1883 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1884 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1885 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1886 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1887 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1888 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1889 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1890 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1891 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1892 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1893 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1894 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1895 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1896 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1897 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1898 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1899 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1900 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1901 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1902 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1903 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1904                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1905 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1906 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1907                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1908 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1909 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1910 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1911 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1912 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1913 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1914                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1915 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1916 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1917 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1918 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1919 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1920 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1921
1922 /**
1923  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1924  * @cap: VHT capabilities of the peer
1925  * @bw: bandwidth to use
1926  * @mcs: MCS index to use
1927  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1928  *      (rate scaling algorithm) can deal with the new logic
1929  *      (dot11VHTExtendedNSSBWCapable)
1930  * @max_vht_nss: current maximum NSS as advertised by the STA in
1931  *      operating mode notification, can be 0 in which case the
1932  *      capability data will be used to derive this (from MCS support)
1933  *
1934  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1935  * vary for a given BW/MCS. This function parses the data.
1936  *
1937  * Note: This function is exported by cfg80211.
1938  */
1939 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1940                               enum ieee80211_vht_chanwidth bw,
1941                               int mcs, bool ext_nss_bw_capable,
1942                               unsigned int max_vht_nss);
1943
1944 /* 802.11ax HE MAC capabilities */
1945 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1946 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1947 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1948 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1949 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1950 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1951 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1952 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1953 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1954 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1955 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1956 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1957 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1958 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1959 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1960 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1961 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1962
1963 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1964 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1965 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1966 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1967 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1968 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1969 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1970 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1971 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1972 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1973 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1974 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1975 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1976 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1977 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1978 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1979 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1980 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1981
1982 /* Link adaptation is split between byte HE_MAC_CAP1 and
1983  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1984  * in which case the following values apply:
1985  * 0 = No feedback.
1986  * 1 = reserved.
1987  * 2 = Unsolicited feedback.
1988  * 3 = both
1989  */
1990 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1991
1992 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1993 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1994 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1995 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1996 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1997 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1998 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1999 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
2000
2001 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
2002 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
2003
2004 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2005  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2006  * same field in the HE capabilities.
2007  */
2008 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
2009 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
2010 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
2011 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
2012 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
2013 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
2014 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
2015 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
2016
2017 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_SHIFT           3
2018
2019 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
2020 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
2021 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
2022 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
2023 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
2024 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
2025 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
2026 /* Multi TID agg TX is split between byte #4 and #5
2027  * The value is a combination of B39,B40,B41
2028  */
2029 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
2030
2031 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
2032 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
2033 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
2034 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
2035 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
2036 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
2037 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
2038 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
2039
2040 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR       20
2041 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR        16
2042
2043 /* 802.11ax HE PHY capabilities */
2044 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
2045 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
2046 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
2047 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
2048 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
2049 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
2050 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
2051
2052 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
2053 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
2054 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2055 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2056 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
2057 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
2058 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
2059 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
2060 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2061 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
2062
2063 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
2064 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
2065 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
2066 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
2067 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
2068 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
2069
2070 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2071  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2072  * case it indicates support for Tx.
2073  */
2074 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
2075 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
2076
2077 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
2078 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
2079 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
2080 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
2081 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
2082 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
2083 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
2084 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
2085 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
2086 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
2087 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
2088 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
2089 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
2090 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
2091 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
2092 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
2093
2094 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
2095 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
2096
2097 /* Minimal allowed value of Max STS under 80MHz is 3 */
2098 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
2099 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
2100 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
2101 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
2102 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
2103 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
2104
2105 /* Minimal allowed value of Max STS above 80MHz is 3 */
2106 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
2107 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
2108 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
2109 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
2110 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
2111 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
2112
2113 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
2114 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
2115 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
2116 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
2117 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
2118 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
2119 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
2120 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
2121 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
2122
2123 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
2124 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
2125 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
2126 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
2127 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
2128 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
2129 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
2130 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
2131 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
2132
2133 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
2134 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
2135
2136 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
2137 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
2138 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
2139 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
2140 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
2141 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
2142 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
2143 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
2144
2145 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
2146 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
2147 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
2148 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
2149 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
2150 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
2151 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
2152 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
2153 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
2154 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
2155 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
2156 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
2157 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
2158
2159 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
2160 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
2161 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
2162 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
2163 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
2164 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
2165 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
2166 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
2167 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
2168 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
2169 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
2170
2171 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
2172 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
2173 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
2174 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
2175 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
2176 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2177 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
2178 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
2179 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
2180 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
2181 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
2182
2183 /* 802.11ax HE TX/RX MCS NSS Support  */
2184 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
2185 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2186 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2187 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2188 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2189
2190 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2191 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2192         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2193         HIGHEST_MCS_SUPPORTED_MCS8,
2194         HIGHEST_MCS_SUPPORTED_MCS9,
2195         HIGHEST_MCS_SUPPORTED_MCS10,
2196         HIGHEST_MCS_SUPPORTED_MCS11,
2197 };
2198
2199 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2200 static inline u8
2201 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2202 {
2203         u8 count = 4;
2204
2205         if (he_cap->phy_cap_info[0] &
2206             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2207                 count += 4;
2208
2209         if (he_cap->phy_cap_info[0] &
2210             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2211                 count += 4;
2212
2213         return count;
2214 }
2215
2216 /* 802.11ax HE PPE Thresholds */
2217 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2218 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2219 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2220 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2221         (BIT(5) | BIT(6))
2222 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2223 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2224 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2225
2226 /*
2227  * Calculate 802.11ax HE capabilities IE PPE field size
2228  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2229  */
2230 static inline u8
2231 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2232 {
2233         u8 n;
2234
2235         if ((phy_cap_info[6] &
2236              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2237                 return 0;
2238
2239         n = hweight8(ppe_thres_hdr &
2240                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2241         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2242                    IEEE80211_PPE_THRES_NSS_POS));
2243
2244         /*
2245          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2246          * total size.
2247          */
2248         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2249         n = DIV_ROUND_UP(n, 8);
2250
2251         return n;
2252 }
2253
2254 /* HE Operation defines */
2255 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2256 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2257 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2258 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2259 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2260 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2261 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2262 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2263 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2264 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2265 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2266 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2267
2268 /**
2269  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2270  * @primary: primary channel
2271  * @control: control flags
2272  * @ccfs0: channel center frequency segment 0
2273  * @ccfs1: channel center frequency segment 1
2274  * @minrate: minimum rate (in 1 Mbps units)
2275  */
2276 struct ieee80211_he_6ghz_oper {
2277         u8 primary;
2278 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH   0x3
2279 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ     0
2280 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ     1
2281 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ     2
2282 #define         IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ    3
2283 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON  0x4
2284         u8 control;
2285         u8 ccfs0;
2286         u8 ccfs1;
2287         u8 minrate;
2288 } __packed;
2289
2290 /*
2291  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2292  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2293  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2294  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2295  *      validated this.
2296  * @return the actual size of the IE data (not including header), or 0 on error
2297  */
2298 static inline u8
2299 ieee80211_he_oper_size(const u8 *he_oper_ie)
2300 {
2301         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2302         u8 oper_len = sizeof(struct ieee80211_he_operation);
2303         u32 he_oper_params;
2304
2305         /* Make sure the input is not NULL */
2306         if (!he_oper_ie)
2307                 return 0;
2308
2309         /* Calc required length */
2310         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2311         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2312                 oper_len += 3;
2313         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2314                 oper_len++;
2315         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2316                 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2317
2318         /* Add the first byte (extension ID) to the total length */
2319         oper_len++;
2320
2321         return oper_len;
2322 }
2323
2324 /**
2325  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2326  * @he_oper: HE operation element (must be pre-validated for size)
2327  *      but may be %NULL
2328  *
2329  * Return: a pointer to the 6 GHz operation field, or %NULL
2330  */
2331 static inline const struct ieee80211_he_6ghz_oper *
2332 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2333 {
2334         const u8 *ret = (void *)&he_oper->optional;
2335         u32 he_oper_params;
2336
2337         if (!he_oper)
2338                 return NULL;
2339
2340         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2341
2342         if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2343                 return NULL;
2344         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2345                 ret += 3;
2346         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2347                 ret++;
2348
2349         return (void *)ret;
2350 }
2351
2352 /* HE Spatial Reuse defines */
2353 #define IEEE80211_HE_SPR_PSR_DISALLOWED                         BIT(0)
2354 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED          BIT(1)
2355 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 BIT(2)
2356 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                BIT(3)
2357 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED                BIT(4)
2358
2359 /*
2360  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2361  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2362  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2363  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2364  *      this
2365  * @return the actual size of the IE data (not including header), or 0 on error
2366  */
2367 static inline u8
2368 ieee80211_he_spr_size(const u8 *he_spr_ie)
2369 {
2370         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2371         u8 spr_len = sizeof(struct ieee80211_he_spr);
2372         u8 he_spr_params;
2373
2374         /* Make sure the input is not NULL */
2375         if (!he_spr_ie)
2376                 return 0;
2377
2378         /* Calc required length */
2379         he_spr_params = he_spr->he_sr_control;
2380         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2381                 spr_len++;
2382         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2383                 spr_len += 18;
2384
2385         /* Add the first byte (extension ID) to the total length */
2386         spr_len++;
2387
2388         return spr_len;
2389 }
2390
2391 /* S1G Capabilities Information field */
2392 #define IEEE80211_S1G_CAPABILITY_LEN    15
2393
2394 #define S1G_CAP0_S1G_LONG       BIT(0)
2395 #define S1G_CAP0_SGI_1MHZ       BIT(1)
2396 #define S1G_CAP0_SGI_2MHZ       BIT(2)
2397 #define S1G_CAP0_SGI_4MHZ       BIT(3)
2398 #define S1G_CAP0_SGI_8MHZ       BIT(4)
2399 #define S1G_CAP0_SGI_16MHZ      BIT(5)
2400 #define S1G_CAP0_SUPP_CH_WIDTH  GENMASK(7, 6)
2401
2402 #define S1G_SUPP_CH_WIDTH_2     0
2403 #define S1G_SUPP_CH_WIDTH_4     1
2404 #define S1G_SUPP_CH_WIDTH_8     2
2405 #define S1G_SUPP_CH_WIDTH_16    3
2406 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2407                                                     cap[0])) << 1)
2408
2409 #define S1G_CAP1_RX_LDPC        BIT(0)
2410 #define S1G_CAP1_TX_STBC        BIT(1)
2411 #define S1G_CAP1_RX_STBC        BIT(2)
2412 #define S1G_CAP1_SU_BFER        BIT(3)
2413 #define S1G_CAP1_SU_BFEE        BIT(4)
2414 #define S1G_CAP1_BFEE_STS       GENMASK(7, 5)
2415
2416 #define S1G_CAP2_SOUNDING_DIMENSIONS    GENMASK(2, 0)
2417 #define S1G_CAP2_MU_BFER                BIT(3)
2418 #define S1G_CAP2_MU_BFEE                BIT(4)
2419 #define S1G_CAP2_PLUS_HTC_VHT           BIT(5)
2420 #define S1G_CAP2_TRAVELING_PILOT        GENMASK(7, 6)
2421
2422 #define S1G_CAP3_RD_RESPONDER           BIT(0)
2423 #define S1G_CAP3_HT_DELAYED_BA          BIT(1)
2424 #define S1G_CAP3_MAX_MPDU_LEN           BIT(2)
2425 #define S1G_CAP3_MAX_AMPDU_LEN_EXP      GENMASK(4, 3)
2426 #define S1G_CAP3_MIN_MPDU_START         GENMASK(7, 5)
2427
2428 #define S1G_CAP4_UPLINK_SYNC    BIT(0)
2429 #define S1G_CAP4_DYNAMIC_AID    BIT(1)
2430 #define S1G_CAP4_BAT            BIT(2)
2431 #define S1G_CAP4_TIME_ADE       BIT(3)
2432 #define S1G_CAP4_NON_TIM        BIT(4)
2433 #define S1G_CAP4_GROUP_AID      BIT(5)
2434 #define S1G_CAP4_STA_TYPE       GENMASK(7, 6)
2435
2436 #define S1G_CAP5_CENT_AUTH_CONTROL      BIT(0)
2437 #define S1G_CAP5_DIST_AUTH_CONTROL      BIT(1)
2438 #define S1G_CAP5_AMSDU                  BIT(2)
2439 #define S1G_CAP5_AMPDU                  BIT(3)
2440 #define S1G_CAP5_ASYMMETRIC_BA          BIT(4)
2441 #define S1G_CAP5_FLOW_CONTROL           BIT(5)
2442 #define S1G_CAP5_SECTORIZED_BEAM        GENMASK(7, 6)
2443
2444 #define S1G_CAP6_OBSS_MITIGATION        BIT(0)
2445 #define S1G_CAP6_FRAGMENT_BA            BIT(1)
2446 #define S1G_CAP6_NDP_PS_POLL            BIT(2)
2447 #define S1G_CAP6_RAW_OPERATION          BIT(3)
2448 #define S1G_CAP6_PAGE_SLICING           BIT(4)
2449 #define S1G_CAP6_TXOP_SHARING_IMP_ACK   BIT(5)
2450 #define S1G_CAP6_VHT_LINK_ADAPT         GENMASK(7, 6)
2451
2452 #define S1G_CAP7_TACK_AS_PS_POLL                BIT(0)
2453 #define S1G_CAP7_DUP_1MHZ                       BIT(1)
2454 #define S1G_CAP7_MCS_NEGOTIATION                BIT(2)
2455 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE     BIT(3)
2456 #define S1G_CAP7_NDP_BFING_REPORT_POLL          BIT(4)
2457 #define S1G_CAP7_UNSOLICITED_DYN_AID            BIT(5)
2458 #define S1G_CAP7_SECTOR_TRAINING_OPERATION      BIT(6)
2459 #define S1G_CAP7_TEMP_PS_MODE_SWITCH            BIT(7)
2460
2461 #define S1G_CAP8_TWT_GROUPING   BIT(0)
2462 #define S1G_CAP8_BDT            BIT(1)
2463 #define S1G_CAP8_COLOR          GENMASK(4, 2)
2464 #define S1G_CAP8_TWT_REQUEST    BIT(5)
2465 #define S1G_CAP8_TWT_RESPOND    BIT(6)
2466 #define S1G_CAP8_PV1_FRAME      BIT(7)
2467
2468 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2469
2470 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ  BIT(0)
2471 #define S1G_OPER_CH_WIDTH_OPER          GENMASK(4, 1)
2472
2473
2474 #define LISTEN_INT_USF  GENMASK(15, 14)
2475 #define LISTEN_INT_UI   GENMASK(13, 0)
2476
2477 #define IEEE80211_MAX_USF       FIELD_MAX(LISTEN_INT_USF)
2478 #define IEEE80211_MAX_UI        FIELD_MAX(LISTEN_INT_UI)
2479
2480 /* Authentication algorithms */
2481 #define WLAN_AUTH_OPEN 0
2482 #define WLAN_AUTH_SHARED_KEY 1
2483 #define WLAN_AUTH_FT 2
2484 #define WLAN_AUTH_SAE 3
2485 #define WLAN_AUTH_FILS_SK 4
2486 #define WLAN_AUTH_FILS_SK_PFS 5
2487 #define WLAN_AUTH_FILS_PK 6
2488 #define WLAN_AUTH_LEAP 128
2489
2490 #define WLAN_AUTH_CHALLENGE_LEN 128
2491
2492 #define WLAN_CAPABILITY_ESS             (1<<0)
2493 #define WLAN_CAPABILITY_IBSS            (1<<1)
2494
2495 /*
2496  * A mesh STA sets the ESS and IBSS capability bits to zero.
2497  * however, this holds true for p2p probe responses (in the p2p_find
2498  * phase) as well.
2499  */
2500 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2501         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2502
2503 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2504 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2505 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2506 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2507 #define WLAN_CAPABILITY_PBCC            (1<<6)
2508 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2509
2510 /* 802.11h */
2511 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2512 #define WLAN_CAPABILITY_QOS             (1<<9)
2513 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2514 #define WLAN_CAPABILITY_APSD            (1<<11)
2515 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2516 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2517 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2518 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2519
2520 /* DMG (60gHz) 802.11ad */
2521 /* type - bits 0..1 */
2522 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2523 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2524 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2525 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2526
2527 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2528 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2529 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2530 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2531
2532 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2533 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2534
2535 /* measurement */
2536 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2537 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2538 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2539
2540 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2541 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2542 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2543 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2544 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2545
2546 /* 802.11g ERP information element */
2547 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2548 #define WLAN_ERP_USE_PROTECTION (1<<1)
2549 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2550
2551 /* WLAN_ERP_BARKER_PREAMBLE values */
2552 enum {
2553         WLAN_ERP_PREAMBLE_SHORT = 0,
2554         WLAN_ERP_PREAMBLE_LONG = 1,
2555 };
2556
2557 /* Band ID, 802.11ad #8.4.1.45 */
2558 enum {
2559         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2560         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2561         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2562         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2563         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2564         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2565 };
2566
2567 /* Status codes */
2568 enum ieee80211_statuscode {
2569         WLAN_STATUS_SUCCESS = 0,
2570         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2571         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2572         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2573         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2574         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2575         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2576         WLAN_STATUS_CHALLENGE_FAIL = 15,
2577         WLAN_STATUS_AUTH_TIMEOUT = 16,
2578         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2579         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2580         /* 802.11b */
2581         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2582         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2583         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2584         /* 802.11h */
2585         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2586         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2587         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2588         /* 802.11g */
2589         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2590         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2591         /* 802.11w */
2592         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2593         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2594         /* 802.11i */
2595         WLAN_STATUS_INVALID_IE = 40,
2596         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2597         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2598         WLAN_STATUS_INVALID_AKMP = 43,
2599         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2600         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2601         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2602         /* 802.11e */
2603         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2604         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2605         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2606         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2607         WLAN_STATUS_REQUEST_DECLINED = 37,
2608         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2609         WLAN_STATUS_CHANGE_TSPEC = 39,
2610         WLAN_STATUS_WAIT_TS_DELAY = 47,
2611         WLAN_STATUS_NO_DIRECT_LINK = 48,
2612         WLAN_STATUS_STA_NOT_PRESENT = 49,
2613         WLAN_STATUS_STA_NOT_QSTA = 50,
2614         /* 802.11s */
2615         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2616         WLAN_STATUS_FCG_NOT_SUPP = 78,
2617         WLAN_STATUS_STA_NO_TBTT = 78,
2618         /* 802.11ad */
2619         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2620         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2621         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2622         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2623         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2624         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2625         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2626         WLAN_STATUS_REJECT_DSE_BAND = 96,
2627         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2628         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2629         /* 802.11ai */
2630         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2631         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2632         WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
2633         WLAN_STATUS_SAE_PK = 127,
2634 };
2635
2636
2637 /* Reason codes */
2638 enum ieee80211_reasoncode {
2639         WLAN_REASON_UNSPECIFIED = 1,
2640         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2641         WLAN_REASON_DEAUTH_LEAVING = 3,
2642         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2643         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2644         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2645         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2646         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2647         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2648         /* 802.11h */
2649         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2650         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2651         /* 802.11i */
2652         WLAN_REASON_INVALID_IE = 13,
2653         WLAN_REASON_MIC_FAILURE = 14,
2654         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2655         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2656         WLAN_REASON_IE_DIFFERENT = 17,
2657         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2658         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2659         WLAN_REASON_INVALID_AKMP = 20,
2660         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2661         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2662         WLAN_REASON_IEEE8021X_FAILED = 23,
2663         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2664         /* TDLS (802.11z) */
2665         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2666         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2667         /* 802.11e */
2668         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2669         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2670         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2671         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2672         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2673         WLAN_REASON_QSTA_NOT_USE = 37,
2674         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2675         WLAN_REASON_QSTA_TIMEOUT = 39,
2676         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2677         /* 802.11s */
2678         WLAN_REASON_MESH_PEER_CANCELED = 52,
2679         WLAN_REASON_MESH_MAX_PEERS = 53,
2680         WLAN_REASON_MESH_CONFIG = 54,
2681         WLAN_REASON_MESH_CLOSE = 55,
2682         WLAN_REASON_MESH_MAX_RETRIES = 56,
2683         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2684         WLAN_REASON_MESH_INVALID_GTK = 58,
2685         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2686         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2687         WLAN_REASON_MESH_PATH_ERROR = 61,
2688         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2689         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2690         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2691         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2692         WLAN_REASON_MESH_CHAN = 66,
2693 };
2694
2695
2696 /* Information Element IDs */
2697 enum ieee80211_eid {
2698         WLAN_EID_SSID = 0,
2699         WLAN_EID_SUPP_RATES = 1,
2700         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2701         WLAN_EID_DS_PARAMS = 3,
2702         WLAN_EID_CF_PARAMS = 4,
2703         WLAN_EID_TIM = 5,
2704         WLAN_EID_IBSS_PARAMS = 6,
2705         WLAN_EID_COUNTRY = 7,
2706         /* 8, 9 reserved */
2707         WLAN_EID_REQUEST = 10,
2708         WLAN_EID_QBSS_LOAD = 11,
2709         WLAN_EID_EDCA_PARAM_SET = 12,
2710         WLAN_EID_TSPEC = 13,
2711         WLAN_EID_TCLAS = 14,
2712         WLAN_EID_SCHEDULE = 15,
2713         WLAN_EID_CHALLENGE = 16,
2714         /* 17-31 reserved for challenge text extension */
2715         WLAN_EID_PWR_CONSTRAINT = 32,
2716         WLAN_EID_PWR_CAPABILITY = 33,
2717         WLAN_EID_TPC_REQUEST = 34,
2718         WLAN_EID_TPC_REPORT = 35,
2719         WLAN_EID_SUPPORTED_CHANNELS = 36,
2720         WLAN_EID_CHANNEL_SWITCH = 37,
2721         WLAN_EID_MEASURE_REQUEST = 38,
2722         WLAN_EID_MEASURE_REPORT = 39,
2723         WLAN_EID_QUIET = 40,
2724         WLAN_EID_IBSS_DFS = 41,
2725         WLAN_EID_ERP_INFO = 42,
2726         WLAN_EID_TS_DELAY = 43,
2727         WLAN_EID_TCLAS_PROCESSING = 44,
2728         WLAN_EID_HT_CAPABILITY = 45,
2729         WLAN_EID_QOS_CAPA = 46,
2730         /* 47 reserved for Broadcom */
2731         WLAN_EID_RSN = 48,
2732         WLAN_EID_802_15_COEX = 49,
2733         WLAN_EID_EXT_SUPP_RATES = 50,
2734         WLAN_EID_AP_CHAN_REPORT = 51,
2735         WLAN_EID_NEIGHBOR_REPORT = 52,
2736         WLAN_EID_RCPI = 53,
2737         WLAN_EID_MOBILITY_DOMAIN = 54,
2738         WLAN_EID_FAST_BSS_TRANSITION = 55,
2739         WLAN_EID_TIMEOUT_INTERVAL = 56,
2740         WLAN_EID_RIC_DATA = 57,
2741         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2742         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2743         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2744         WLAN_EID_HT_OPERATION = 61,
2745         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2746         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2747         WLAN_EID_ANTENNA_INFO = 64,
2748         WLAN_EID_RSNI = 65,
2749         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2750         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2751         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2752         WLAN_EID_TIME_ADVERTISEMENT = 69,
2753         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2754         WLAN_EID_MULTIPLE_BSSID = 71,
2755         WLAN_EID_BSS_COEX_2040 = 72,
2756         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2757         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2758         WLAN_EID_RIC_DESCRIPTOR = 75,
2759         WLAN_EID_MMIE = 76,
2760         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2761         WLAN_EID_EVENT_REQUEST = 78,
2762         WLAN_EID_EVENT_REPORT = 79,
2763         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2764         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2765         WLAN_EID_LOCATION_PARAMS = 82,
2766         WLAN_EID_NON_TX_BSSID_CAP =  83,
2767         WLAN_EID_SSID_LIST = 84,
2768         WLAN_EID_MULTI_BSSID_IDX = 85,
2769         WLAN_EID_FMS_DESCRIPTOR = 86,
2770         WLAN_EID_FMS_REQUEST = 87,
2771         WLAN_EID_FMS_RESPONSE = 88,
2772         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2773         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2774         WLAN_EID_TSF_REQUEST = 91,
2775         WLAN_EID_TSF_RESPOSNE = 92,
2776         WLAN_EID_WNM_SLEEP_MODE = 93,
2777         WLAN_EID_TIM_BCAST_REQ = 94,
2778         WLAN_EID_TIM_BCAST_RESP = 95,
2779         WLAN_EID_COLL_IF_REPORT = 96,
2780         WLAN_EID_CHANNEL_USAGE = 97,
2781         WLAN_EID_TIME_ZONE = 98,
2782         WLAN_EID_DMS_REQUEST = 99,
2783         WLAN_EID_DMS_RESPONSE = 100,
2784         WLAN_EID_LINK_ID = 101,
2785         WLAN_EID_WAKEUP_SCHEDUL = 102,
2786         /* 103 reserved */
2787         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2788         WLAN_EID_PTI_CONTROL = 105,
2789         WLAN_EID_PU_BUFFER_STATUS = 106,
2790         WLAN_EID_INTERWORKING = 107,
2791         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2792         WLAN_EID_EXPEDITED_BW_REQ = 109,
2793         WLAN_EID_QOS_MAP_SET = 110,
2794         WLAN_EID_ROAMING_CONSORTIUM = 111,
2795         WLAN_EID_EMERGENCY_ALERT = 112,
2796         WLAN_EID_MESH_CONFIG = 113,
2797         WLAN_EID_MESH_ID = 114,
2798         WLAN_EID_LINK_METRIC_REPORT = 115,
2799         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2800         WLAN_EID_PEER_MGMT = 117,
2801         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2802         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2803         WLAN_EID_BEACON_TIMING = 120,
2804         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2805         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2806         WLAN_EID_MCCAOP_ADVERT = 123,
2807         WLAN_EID_MCCAOP_TEARDOWN = 124,
2808         WLAN_EID_GANN = 125,
2809         WLAN_EID_RANN = 126,
2810         WLAN_EID_EXT_CAPABILITY = 127,
2811         /* 128, 129 reserved for Agere */
2812         WLAN_EID_PREQ = 130,
2813         WLAN_EID_PREP = 131,
2814         WLAN_EID_PERR = 132,
2815         /* 133-136 reserved for Cisco */
2816         WLAN_EID_PXU = 137,
2817         WLAN_EID_PXUC = 138,
2818         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2819         WLAN_EID_MIC = 140,
2820         WLAN_EID_DESTINATION_URI = 141,
2821         WLAN_EID_UAPSD_COEX = 142,
2822         WLAN_EID_WAKEUP_SCHEDULE = 143,
2823         WLAN_EID_EXT_SCHEDULE = 144,
2824         WLAN_EID_STA_AVAILABILITY = 145,
2825         WLAN_EID_DMG_TSPEC = 146,
2826         WLAN_EID_DMG_AT = 147,
2827         WLAN_EID_DMG_CAP = 148,
2828         /* 149 reserved for Cisco */
2829         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2830         WLAN_EID_DMG_OPERATION = 151,
2831         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2832         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2833         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2834         /* 155-156 reserved for Cisco */
2835         WLAN_EID_AWAKE_WINDOW = 157,
2836         WLAN_EID_MULTI_BAND = 158,
2837         WLAN_EID_ADDBA_EXT = 159,
2838         WLAN_EID_NEXT_PCP_LIST = 160,
2839         WLAN_EID_PCP_HANDOVER = 161,
2840         WLAN_EID_DMG_LINK_MARGIN = 162,
2841         WLAN_EID_SWITCHING_STREAM = 163,
2842         WLAN_EID_SESSION_TRANSITION = 164,
2843         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2844         WLAN_EID_CLUSTER_REPORT = 166,
2845         WLAN_EID_RELAY_CAP = 167,
2846         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2847         WLAN_EID_BEAM_LINK_MAINT = 169,
2848         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2849         WLAN_EID_U_PID = 171,
2850         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2851         /* 173 reserved for Symbol */
2852         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2853         WLAN_EID_QUIET_PERIOD_REQ = 175,
2854         /* 176 reserved for Symbol */
2855         WLAN_EID_QUIET_PERIOD_RESP = 177,
2856         /* 178-179 reserved for Symbol */
2857         /* 180 reserved for ISO/IEC 20011 */
2858         WLAN_EID_EPAC_POLICY = 182,
2859         WLAN_EID_CLISTER_TIME_OFF = 183,
2860         WLAN_EID_INTER_AC_PRIO = 184,
2861         WLAN_EID_SCS_DESCRIPTOR = 185,
2862         WLAN_EID_QLOAD_REPORT = 186,
2863         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2864         WLAN_EID_HL_STREAM_ID = 188,
2865         WLAN_EID_GCR_GROUP_ADDR = 189,
2866         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2867         WLAN_EID_VHT_CAPABILITY = 191,
2868         WLAN_EID_VHT_OPERATION = 192,
2869         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2870         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2871         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2872         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2873         WLAN_EID_AID = 197,
2874         WLAN_EID_QUIET_CHANNEL = 198,
2875         WLAN_EID_OPMODE_NOTIF = 199,
2876
2877         WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
2878
2879         WLAN_EID_AID_REQUEST = 210,
2880         WLAN_EID_AID_RESPONSE = 211,
2881         WLAN_EID_S1G_BCN_COMPAT = 213,
2882         WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2883         WLAN_EID_S1G_CAPABILITIES = 217,
2884         WLAN_EID_VENDOR_SPECIFIC = 221,
2885         WLAN_EID_QOS_PARAMETER = 222,
2886         WLAN_EID_S1G_OPERATION = 232,
2887         WLAN_EID_CAG_NUMBER = 237,
2888         WLAN_EID_AP_CSN = 239,
2889         WLAN_EID_FILS_INDICATION = 240,
2890         WLAN_EID_DILS = 241,
2891         WLAN_EID_FRAGMENT = 242,
2892         WLAN_EID_RSNX = 244,
2893         WLAN_EID_EXTENSION = 255
2894 };
2895
2896 /* Element ID Extensions for Element ID 255 */
2897 enum ieee80211_eid_ext {
2898         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2899         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2900         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2901         WLAN_EID_EXT_FILS_SESSION = 4,
2902         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2903         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2904         WLAN_EID_EXT_KEY_DELIVERY = 7,
2905         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2906         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2907         WLAN_EID_EXT_FILS_NONCE = 13,
2908         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2909         WLAN_EID_EXT_HE_CAPABILITY = 35,
2910         WLAN_EID_EXT_HE_OPERATION = 36,
2911         WLAN_EID_EXT_UORA = 37,
2912         WLAN_EID_EXT_HE_MU_EDCA = 38,
2913         WLAN_EID_EXT_HE_SPR = 39,
2914         WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
2915         WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
2916         WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
2917         WLAN_EID_EXT_ESS_REPORT = 45,
2918         WLAN_EID_EXT_OPS = 46,
2919         WLAN_EID_EXT_HE_BSS_LOAD = 47,
2920         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2921         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2922         WLAN_EID_EXT_NON_INHERITANCE = 56,
2923         WLAN_EID_EXT_KNOWN_BSSID = 57,
2924         WLAN_EID_EXT_SHORT_SSID_LIST = 58,
2925         WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
2926         WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
2927 };
2928
2929 /* Action category code */
2930 enum ieee80211_category {
2931         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2932         WLAN_CATEGORY_QOS = 1,
2933         WLAN_CATEGORY_DLS = 2,
2934         WLAN_CATEGORY_BACK = 3,
2935         WLAN_CATEGORY_PUBLIC = 4,
2936         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2937         WLAN_CATEGORY_HT = 7,
2938         WLAN_CATEGORY_SA_QUERY = 8,
2939         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2940         WLAN_CATEGORY_WNM = 10,
2941         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2942         WLAN_CATEGORY_TDLS = 12,
2943         WLAN_CATEGORY_MESH_ACTION = 13,
2944         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2945         WLAN_CATEGORY_SELF_PROTECTED = 15,
2946         WLAN_CATEGORY_DMG = 16,
2947         WLAN_CATEGORY_WMM = 17,
2948         WLAN_CATEGORY_FST = 18,
2949         WLAN_CATEGORY_UNPROT_DMG = 20,
2950         WLAN_CATEGORY_VHT = 21,
2951         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2952         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2953 };
2954
2955 /* SPECTRUM_MGMT action code */
2956 enum ieee80211_spectrum_mgmt_actioncode {
2957         WLAN_ACTION_SPCT_MSR_REQ = 0,
2958         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2959         WLAN_ACTION_SPCT_TPC_REQ = 2,
2960         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2961         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2962 };
2963
2964 /* HT action codes */
2965 enum ieee80211_ht_actioncode {
2966         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2967         WLAN_HT_ACTION_SMPS = 1,
2968         WLAN_HT_ACTION_PSMP = 2,
2969         WLAN_HT_ACTION_PCO_PHASE = 3,
2970         WLAN_HT_ACTION_CSI = 4,
2971         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2972         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2973         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2974 };
2975
2976 /* VHT action codes */
2977 enum ieee80211_vht_actioncode {
2978         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2979         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2980         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2981 };
2982
2983 /* Self Protected Action codes */
2984 enum ieee80211_self_protected_actioncode {
2985         WLAN_SP_RESERVED = 0,
2986         WLAN_SP_MESH_PEERING_OPEN = 1,
2987         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2988         WLAN_SP_MESH_PEERING_CLOSE = 3,
2989         WLAN_SP_MGK_INFORM = 4,
2990         WLAN_SP_MGK_ACK = 5,
2991 };
2992
2993 /* Mesh action codes */
2994 enum ieee80211_mesh_actioncode {
2995         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2996         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2997         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2998         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2999         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3000         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3001         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3002         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3003         WLAN_MESH_ACTION_MCCA_TEARDOWN,
3004         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3005         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3006 };
3007
3008 /* Security key length */
3009 enum ieee80211_key_len {
3010         WLAN_KEY_LEN_WEP40 = 5,
3011         WLAN_KEY_LEN_WEP104 = 13,
3012         WLAN_KEY_LEN_CCMP = 16,
3013         WLAN_KEY_LEN_CCMP_256 = 32,
3014         WLAN_KEY_LEN_TKIP = 32,
3015         WLAN_KEY_LEN_AES_CMAC = 16,
3016         WLAN_KEY_LEN_SMS4 = 32,
3017         WLAN_KEY_LEN_GCMP = 16,
3018         WLAN_KEY_LEN_GCMP_256 = 32,
3019         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3020         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3021         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3022 };
3023
3024 #define IEEE80211_WEP_IV_LEN            4
3025 #define IEEE80211_WEP_ICV_LEN           4
3026 #define IEEE80211_CCMP_HDR_LEN          8
3027 #define IEEE80211_CCMP_MIC_LEN          8
3028 #define IEEE80211_CCMP_PN_LEN           6
3029 #define IEEE80211_CCMP_256_HDR_LEN      8
3030 #define IEEE80211_CCMP_256_MIC_LEN      16
3031 #define IEEE80211_CCMP_256_PN_LEN       6
3032 #define IEEE80211_TKIP_IV_LEN           8
3033 #define IEEE80211_TKIP_ICV_LEN          4
3034 #define IEEE80211_CMAC_PN_LEN           6
3035 #define IEEE80211_GMAC_PN_LEN           6
3036 #define IEEE80211_GCMP_HDR_LEN          8
3037 #define IEEE80211_GCMP_MIC_LEN          16
3038 #define IEEE80211_GCMP_PN_LEN           6
3039
3040 #define FILS_NONCE_LEN                  16
3041 #define FILS_MAX_KEK_LEN                64
3042
3043 #define FILS_ERP_MAX_USERNAME_LEN       16
3044 #define FILS_ERP_MAX_REALM_LEN          253
3045 #define FILS_ERP_MAX_RRK_LEN            64
3046
3047 #define PMK_MAX_LEN                     64
3048 #define SAE_PASSWORD_MAX_LEN            128
3049
3050 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3051 enum ieee80211_pub_actioncode {
3052         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3053         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3054         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3055         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3056         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3057         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3058         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3059         WLAN_PUB_ACTION_MSMT_PILOT = 7,
3060         WLAN_PUB_ACTION_DSE_PC = 8,
3061         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3062         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3063         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3064         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3065         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3066         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3067         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3068         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3069         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3070         WLAN_PUB_ACTION_QMF_POLICY = 18,
3071         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3072         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3073         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3074         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3075         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3076         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3077         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3078         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3079         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3080         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3081         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3082         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3083         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3084         WLAN_PUB_ACTION_FTM_REQUEST = 32,
3085         WLAN_PUB_ACTION_FTM = 33,
3086         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3087 };
3088
3089 /* TDLS action codes */
3090 enum ieee80211_tdls_actioncode {
3091         WLAN_TDLS_SETUP_REQUEST = 0,
3092         WLAN_TDLS_SETUP_RESPONSE = 1,
3093         WLAN_TDLS_SETUP_CONFIRM = 2,
3094         WLAN_TDLS_TEARDOWN = 3,
3095         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3096         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3097         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3098         WLAN_TDLS_PEER_PSM_REQUEST = 7,
3099         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3100         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3101         WLAN_TDLS_DISCOVERY_REQUEST = 10,
3102 };
3103
3104 /* Extended Channel Switching capability to be set in the 1st byte of
3105  * the @WLAN_EID_EXT_CAPABILITY information element
3106  */
3107 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
3108
3109 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3110  * @WLAN_EID_EXT_CAPABILITY information element
3111  */
3112 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
3113
3114 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3115 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
3116 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
3117 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
3118
3119 /* Interworking capabilities are set in 7th bit of 4th byte of the
3120  * @WLAN_EID_EXT_CAPABILITY information element
3121  */
3122 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
3123
3124 /*
3125  * TDLS capabililites to be enabled in the 5th byte of the
3126  * @WLAN_EID_EXT_CAPABILITY information element
3127  */
3128 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
3129 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
3130 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
3131
3132 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
3133 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
3134
3135 /* Defines the maximal number of MSDUs in an A-MSDU. */
3136 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
3137 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
3138
3139 /*
3140  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3141  * information element
3142  */
3143 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
3144
3145 /* Defines support for TWT Requester and TWT Responder */
3146 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
3147 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
3148
3149 /*
3150  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3151  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3152  * 26-tone RU UL OFDMA transmissions as radar pulses).
3153  */
3154 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3155
3156 /* Defines support for enhanced multi-bssid advertisement*/
3157 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(3)
3158
3159 /* TDLS specific payload type in the LLC/SNAP header */
3160 #define WLAN_TDLS_SNAP_RFTYPE   0x2
3161
3162 /* BSS Coex IE information field bits */
3163 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
3164
3165 /**
3166  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3167  *
3168  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3169  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3170  *      that will be specified in a vendor specific information element
3171  */
3172 enum ieee80211_mesh_sync_method {
3173         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3174         IEEE80211_SYNC_METHOD_VENDOR = 255,
3175 };
3176
3177 /**
3178  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3179  *
3180  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3181  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3182  *      be specified in a vendor specific information element
3183  */
3184 enum ieee80211_mesh_path_protocol {
3185         IEEE80211_PATH_PROTOCOL_HWMP = 1,
3186         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3187 };
3188
3189 /**
3190  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3191  *
3192  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3193  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3194  *      specified in a vendor specific information element
3195  */
3196 enum ieee80211_mesh_path_metric {
3197         IEEE80211_PATH_METRIC_AIRTIME = 1,
3198         IEEE80211_PATH_METRIC_VENDOR = 255,
3199 };
3200
3201 /**
3202  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3203  *
3204  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3205  *
3206  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3207  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3208  *      this value
3209  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3210  *      the proactive PREQ with proactive PREP subfield set to 0
3211  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3212  *      supports the proactive PREQ with proactive PREP subfield set to 1
3213  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3214  *      the proactive RANN
3215  */
3216 enum ieee80211_root_mode_identifier {
3217         IEEE80211_ROOTMODE_NO_ROOT = 0,
3218         IEEE80211_ROOTMODE_ROOT = 1,
3219         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3220         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3221         IEEE80211_PROACTIVE_RANN = 4,
3222 };
3223
3224 /*
3225  * IEEE 802.11-2007 7.3.2.9 Country information element
3226  *
3227  * Minimum length is 8 octets, ie len must be evenly
3228  * divisible by 2
3229  */
3230
3231 /* Although the spec says 8 I'm seeing 6 in practice */
3232 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
3233
3234 /* The Country String field of the element shall be 3 octets in length */
3235 #define IEEE80211_COUNTRY_STRING_LEN    3
3236
3237 /*
3238  * For regulatory extension stuff see IEEE 802.11-2007
3239  * Annex I (page 1141) and Annex J (page 1147). Also
3240  * review 7.3.2.9.
3241  *
3242  * When dot11RegulatoryClassesRequired is true and the
3243  * first_channel/reg_extension_id is >= 201 then the IE
3244  * compromises of the 'ext' struct represented below:
3245  *
3246  *  - Regulatory extension ID - when generating IE this just needs
3247  *    to be monotonically increasing for each triplet passed in
3248  *    the IE
3249  *  - Regulatory class - index into set of rules
3250  *  - Coverage class - index into air propagation time (Table 7-27),
3251  *    in microseconds, you can compute the air propagation time from
3252  *    the index by multiplying by 3, so index 10 yields a propagation
3253  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3254  *    yet. A value of 0 inicates air propagation of <= 1 us.
3255  *
3256  *  See also Table I.2 for Emission limit sets and table
3257  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3258  *  a reg_class to an emission limit set and behavior limit set.
3259  */
3260 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3261
3262 /*
3263  *  Channels numbers in the IE must be monotonically increasing
3264  *  if dot11RegulatoryClassesRequired is not true.
3265  *
3266  *  If dot11RegulatoryClassesRequired is true consecutive
3267  *  subband triplets following a regulatory triplet shall
3268  *  have monotonically increasing first_channel number fields.
3269  *
3270  *  Channel numbers shall not overlap.
3271  *
3272  *  Note that max_power is signed.
3273  */
3274 struct ieee80211_country_ie_triplet {
3275         union {
3276                 struct {
3277                         u8 first_channel;
3278                         u8 num_channels;
3279                         s8 max_power;
3280                 } __packed chans;
3281                 struct {
3282                         u8 reg_extension_id;
3283                         u8 reg_class;
3284                         u8 coverage_class;
3285                 } __packed ext;
3286         };
3287 } __packed;
3288
3289 enum ieee80211_timeout_interval_type {
3290         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3291         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3292         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3293 };
3294
3295 /**
3296  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3297  * @type: type, see &enum ieee80211_timeout_interval_type
3298  * @value: timeout interval value
3299  */
3300 struct ieee80211_timeout_interval_ie {
3301         u8 type;
3302         __le32 value;
3303 } __packed;
3304
3305 /**
3306  * enum ieee80211_idle_options - BSS idle options
3307  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3308  *      protected frame to the AP to reset the idle timer at the AP for
3309  *      the station.
3310  */
3311 enum ieee80211_idle_options {
3312         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3313 };
3314
3315 /**
3316  * struct ieee80211_bss_max_idle_period_ie
3317  *
3318  * This structure refers to "BSS Max idle period element"
3319  *
3320  * @max_idle_period: indicates the time period during which a station can
3321  *      refrain from transmitting frames to its associated AP without being
3322  *      disassociated. In units of 1000 TUs.
3323  * @idle_options: indicates the options associated with the BSS idle capability
3324  *      as specified in &enum ieee80211_idle_options.
3325  */
3326 struct ieee80211_bss_max_idle_period_ie {
3327         __le16 max_idle_period;
3328         u8 idle_options;
3329 } __packed;
3330
3331 /* BACK action code */
3332 enum ieee80211_back_actioncode {
3333         WLAN_ACTION_ADDBA_REQ = 0,
3334         WLAN_ACTION_ADDBA_RESP = 1,
3335         WLAN_ACTION_DELBA = 2,
3336 };
3337
3338 /* BACK (block-ack) parties */
3339 enum ieee80211_back_parties {
3340         WLAN_BACK_RECIPIENT = 0,
3341         WLAN_BACK_INITIATOR = 1,
3342 };
3343
3344 /* SA Query action */
3345 enum ieee80211_sa_query_action {
3346         WLAN_ACTION_SA_QUERY_REQUEST = 0,
3347         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3348 };
3349
3350 /**
3351  * struct ieee80211_bssid_index
3352  *
3353  * This structure refers to "Multiple BSSID-index element"
3354  *
3355  * @bssid_index: BSSID index
3356  * @dtim_period: optional, overrides transmitted BSS dtim period
3357  * @dtim_count: optional, overrides transmitted BSS dtim count
3358  */
3359 struct ieee80211_bssid_index {
3360         u8 bssid_index;
3361         u8 dtim_period;
3362         u8 dtim_count;
3363 };
3364
3365 /**
3366  * struct ieee80211_multiple_bssid_configuration
3367  *
3368  * This structure refers to "Multiple BSSID Configuration element"
3369  *
3370  * @bssid_count: total number of active BSSIDs in the set
3371  * @profile_periodicity: the least number of beacon frames need to be received
3372  *      in order to discover all the nontransmitted BSSIDs in the set.
3373  */
3374 struct ieee80211_multiple_bssid_configuration {
3375         u8 bssid_count;
3376         u8 profile_periodicity;
3377 };
3378
3379 #define SUITE(oui, id)  (((oui) << 8) | (id))
3380
3381 /* cipher suite selectors */
3382 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3383 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3384 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3385 /* reserved:                            SUITE(0x000FAC, 3) */
3386 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3387 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3388 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3389 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3390 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3391 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3392 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3393 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3394 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3395
3396 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3397
3398 /* AKM suite selectors */
3399 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3400 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3401 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3402 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3403 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3404 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3405 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3406 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3407 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3408 #define WLAN_AKM_SUITE_AP_PEER_KEY              SUITE(0x000FAC, 10)
3409 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3410 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3411 #define WLAN_AKM_SUITE_FT_8021X_SHA384          SUITE(0x000FAC, 13)
3412 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3413 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3414 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3415 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3416 #define WLAN_AKM_SUITE_OWE                      SUITE(0x000FAC, 18)
3417 #define WLAN_AKM_SUITE_FT_PSK_SHA384            SUITE(0x000FAC, 19)
3418 #define WLAN_AKM_SUITE_PSK_SHA384               SUITE(0x000FAC, 20)
3419
3420 #define WLAN_MAX_KEY_LEN                32
3421
3422 #define WLAN_PMK_NAME_LEN               16
3423 #define WLAN_PMKID_LEN                  16
3424 #define WLAN_PMK_LEN_EAP_LEAP           16
3425 #define WLAN_PMK_LEN                    32
3426 #define WLAN_PMK_LEN_SUITE_B_192        48
3427
3428 #define WLAN_OUI_WFA                    0x506f9a
3429 #define WLAN_OUI_TYPE_WFA_P2P           9
3430 #define WLAN_OUI_MICROSOFT              0x0050f2
3431 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3432 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3433 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3434 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3435
3436 /*
3437  * WMM/802.11e Tspec Element
3438  */
3439 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3440 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3441
3442 enum ieee80211_tspec_status_code {
3443         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3444         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3445 };
3446
3447 struct ieee80211_tspec_ie {
3448         u8 element_id;
3449         u8 len;
3450         u8 oui[3];
3451         u8 oui_type;
3452         u8 oui_subtype;
3453         u8 version;
3454         __le16 tsinfo;
3455         u8 tsinfo_resvd;
3456         __le16 nominal_msdu;
3457         __le16 max_msdu;
3458         __le32 min_service_int;
3459         __le32 max_service_int;
3460         __le32 inactivity_int;
3461         __le32 suspension_int;
3462         __le32 service_start_time;
3463         __le32 min_data_rate;
3464         __le32 mean_data_rate;
3465         __le32 peak_data_rate;
3466         __le32 max_burst_size;
3467         __le32 delay_bound;
3468         __le32 min_phy_rate;
3469         __le16 sba;
3470         __le16 medium_time;
3471 } __packed;
3472
3473 struct ieee80211_he_6ghz_capa {
3474         /* uses IEEE80211_HE_6GHZ_CAP_* below */
3475         __le16 capa;
3476 } __packed;
3477
3478 /* HE 6 GHz band capabilities */
3479 /* uses enum ieee80211_min_mpdu_spacing values */
3480 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START    0x0007
3481 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3482 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
3483 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3484 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN      0x00c0
3485 /* WLAN_HT_CAP_SM_PS_* values */
3486 #define IEEE80211_HE_6GHZ_CAP_SM_PS             0x0600
3487 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER      0x0800
3488 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS    0x1000
3489 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS    0x2000
3490
3491 /**
3492  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3493  * @hdr: the frame
3494  *
3495  * The qos ctrl bytes come after the frame_control, duration, seq_num
3496  * and 3 or 4 addresses of length ETH_ALEN.
3497  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3498  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3499  */
3500 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3501 {
3502         if (ieee80211_has_a4(hdr->frame_control))
3503                 return (u8 *)hdr + 30;
3504         else
3505                 return (u8 *)hdr + 24;
3506 }
3507
3508 /**
3509  * ieee80211_get_tid - get qos TID
3510  * @hdr: the frame
3511  */
3512 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3513 {
3514         u8 *qc = ieee80211_get_qos_ctl(hdr);
3515
3516         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3517 }
3518
3519 /**
3520  * ieee80211_get_SA - get pointer to SA
3521  * @hdr: the frame
3522  *
3523  * Given an 802.11 frame, this function returns the offset
3524  * to the source address (SA). It does not verify that the
3525  * header is long enough to contain the address, and the
3526  * header must be long enough to contain the frame control
3527  * field.
3528  */
3529 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3530 {
3531         if (ieee80211_has_a4(hdr->frame_control))
3532                 return hdr->addr4;
3533         if (ieee80211_has_fromds(hdr->frame_control))
3534                 return hdr->addr3;
3535         return hdr->addr2;
3536 }
3537
3538 /**
3539  * ieee80211_get_DA - get pointer to DA
3540  * @hdr: the frame
3541  *
3542  * Given an 802.11 frame, this function returns the offset
3543  * to the destination address (DA). It does not verify that
3544  * the header is long enough to contain the address, and the
3545  * header must be long enough to contain the frame control
3546  * field.
3547  */
3548 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3549 {
3550         if (ieee80211_has_tods(hdr->frame_control))
3551                 return hdr->addr3;
3552         else
3553                 return hdr->addr1;
3554 }
3555
3556 /**
3557  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3558  * @hdr: the frame (buffer must include at least the first octet of payload)
3559  */
3560 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3561 {
3562         if (ieee80211_is_disassoc(hdr->frame_control) ||
3563             ieee80211_is_deauth(hdr->frame_control))
3564                 return true;
3565
3566         if (ieee80211_is_action(hdr->frame_control)) {
3567                 u8 *category;
3568
3569                 /*
3570                  * Action frames, excluding Public Action frames, are Robust
3571                  * Management Frames. However, if we are looking at a Protected
3572                  * frame, skip the check since the data may be encrypted and
3573                  * the frame has already been found to be a Robust Management
3574                  * Frame (by the other end).
3575                  */
3576                 if (ieee80211_has_protected(hdr->frame_control))
3577                         return true;
3578                 category = ((u8 *) hdr) + 24;
3579                 return *category != WLAN_CATEGORY_PUBLIC &&
3580                         *category != WLAN_CATEGORY_HT &&
3581                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3582                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3583                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3584                         *category != WLAN_CATEGORY_VHT &&
3585                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3586         }
3587
3588         return false;
3589 }
3590
3591 /**
3592  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3593  * @skb: the skb containing the frame, length will be checked
3594  */
3595 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3596 {
3597         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3598                 return false;
3599         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3600 }
3601
3602 /**
3603  * ieee80211_is_public_action - check if frame is a public action frame
3604  * @hdr: the frame
3605  * @len: length of the frame
3606  */
3607 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3608                                               size_t len)
3609 {
3610         struct ieee80211_mgmt *mgmt = (void *)hdr;
3611
3612         if (len < IEEE80211_MIN_ACTION_SIZE)
3613                 return false;
3614         if (!ieee80211_is_action(hdr->frame_control))
3615                 return false;
3616         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3617 }
3618
3619 /**
3620  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3621  * privacy action frame
3622  * @hdr: the frame
3623  */
3624 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3625 {
3626         struct ieee80211_mgmt *mgmt = (void *)hdr;
3627
3628         if (!ieee80211_is_action(hdr->frame_control) ||
3629             !is_multicast_ether_addr(hdr->addr1))
3630                 return false;
3631
3632         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3633                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3634 }
3635
3636 /**
3637  * ieee80211_is_group_privacy_action - check if frame is a group addressed
3638  * privacy action frame
3639  * @skb: the skb containing the frame, length will be checked
3640  */
3641 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3642 {
3643         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3644                 return false;
3645         return _ieee80211_is_group_privacy_action((void *)skb->data);
3646 }
3647
3648 /**
3649  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3650  * @tu: the TUs
3651  */
3652 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3653 {
3654         return 1024 * tu;
3655 }
3656
3657 /**
3658  * ieee80211_check_tim - check if AID bit is set in TIM
3659  * @tim: the TIM IE
3660  * @tim_len: length of the TIM IE
3661  * @aid: the AID to look for
3662  */
3663 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3664                                        u8 tim_len, u16 aid)
3665 {
3666         u8 mask;
3667         u8 index, indexn1, indexn2;
3668
3669         if (unlikely(!tim || tim_len < sizeof(*tim)))
3670                 return false;
3671
3672         aid &= 0x3fff;
3673         index = aid / 8;
3674         mask  = 1 << (aid & 7);
3675
3676         indexn1 = tim->bitmap_ctrl & 0xfe;
3677         indexn2 = tim_len + indexn1 - 4;
3678
3679         if (index < indexn1 || index > indexn2)
3680                 return false;
3681
3682         index -= indexn1;
3683
3684         return !!(tim->virtual_map[index] & mask);
3685 }
3686
3687 /**
3688  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3689  * @skb: the skb containing the frame, length will not be checked
3690  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3691  *
3692  * This function assumes the frame is a data frame, and that the network header
3693  * is in the correct place.
3694  */
3695 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3696 {
3697         if (!skb_is_nonlinear(skb) &&
3698             skb->len > (skb_network_offset(skb) + 2)) {
3699                 /* Point to where the indication of TDLS should start */
3700                 const u8 *tdls_data = skb_network_header(skb) - 2;
3701
3702                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3703                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3704                     tdls_data[3] == WLAN_CATEGORY_TDLS)
3705                         return tdls_data[4];
3706         }
3707
3708         return -1;
3709 }
3710
3711 /* convert time units */
3712 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
3713 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
3714
3715 /* convert frequencies */
3716 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3717 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3718 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3719 #define KHZ_F "%d.%03d"
3720
3721 /* convert powers */
3722 #define DBI_TO_MBI(gain) ((gain) * 100)
3723 #define MBI_TO_DBI(gain) ((gain) / 100)
3724 #define DBM_TO_MBM(gain) ((gain) * 100)
3725 #define MBM_TO_DBM(gain) ((gain) / 100)
3726
3727 /**
3728  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3729  * @skb: the skb containing the frame, length will be checked
3730  *
3731  * This function checks if it's either TPC report action frame or Link
3732  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3733  * and 8.5.7.5 accordingly.
3734  */
3735 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3736 {
3737         struct ieee80211_mgmt *mgmt = (void *)skb->data;
3738
3739         if (!ieee80211_is_action(mgmt->frame_control))
3740                 return false;
3741
3742         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3743                        sizeof(mgmt->u.action.u.tpc_report))
3744                 return false;
3745
3746         /*
3747          * TPC report - check that:
3748          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3749          * spectrum management action = 3 (TPC/Link Measurement report)
3750          * TPC report EID = 35
3751          * TPC report element length = 2
3752          *
3753          * The spectrum management's tpc_report struct is used here both for
3754          * parsing tpc_report and radio measurement's link measurement report
3755          * frame, since the relevant part is identical in both frames.
3756          */
3757         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3758             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3759                 return false;
3760
3761         /* both spectrum mgmt and link measurement have same action code */
3762         if (mgmt->u.action.u.tpc_report.action_code !=
3763             WLAN_ACTION_SPCT_TPC_RPRT)
3764                 return false;
3765
3766         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3767             mgmt->u.action.u.tpc_report.tpc_elem_length !=
3768             sizeof(struct ieee80211_tpc_report_ie))
3769                 return false;
3770
3771         return true;
3772 }
3773
3774 struct element {
3775         u8 id;
3776         u8 datalen;
3777         u8 data[];
3778 } __packed;
3779
3780 /* element iteration helpers */
3781 #define for_each_element(_elem, _data, _datalen)                        \
3782         for (_elem = (const struct element *)(_data);                   \
3783              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3784                 (int)sizeof(*_elem) &&                                  \
3785              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3786                 (int)sizeof(*_elem) + _elem->datalen;                   \
3787              _elem = (const struct element *)(_elem->data + _elem->datalen))
3788
3789 #define for_each_element_id(element, _id, data, datalen)                \
3790         for_each_element(element, data, datalen)                        \
3791                 if (element->id == (_id))
3792
3793 #define for_each_element_extid(element, extid, _data, _datalen)         \
3794         for_each_element(element, _data, _datalen)                      \
3795                 if (element->id == WLAN_EID_EXTENSION &&                \
3796                     element->datalen > 0 &&                             \
3797                     element->data[0] == (extid))
3798
3799 #define for_each_subelement(sub, element)                               \
3800         for_each_element(sub, (element)->data, (element)->datalen)
3801
3802 #define for_each_subelement_id(sub, id, element)                        \
3803         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3804
3805 #define for_each_subelement_extid(sub, extid, element)                  \
3806         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3807
3808 /**
3809  * for_each_element_completed - determine if element parsing consumed all data
3810  * @element: element pointer after for_each_element() or friends
3811  * @data: same data pointer as passed to for_each_element() or friends
3812  * @datalen: same data length as passed to for_each_element() or friends
3813  *
3814  * This function returns %true if all the data was parsed or considered
3815  * while walking the elements. Only use this if your for_each_element()
3816  * loop cannot be broken out of, otherwise it always returns %false.
3817  *
3818  * If some data was malformed, this returns %false since the last parsed
3819  * element will not fill the whole remaining data.
3820  */
3821 static inline bool for_each_element_completed(const struct element *element,
3822                                               const void *data, size_t datalen)
3823 {
3824         return (const u8 *)element == (const u8 *)data + datalen;
3825 }
3826
3827 /**
3828  * RSNX Capabilities:
3829  * bits 0-3: Field length (n-1)
3830  */
3831 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3832 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3833
3834 /*
3835  * reduced neighbor report, based on Draft P802.11ax_D5.0,
3836  * section 9.4.2.170
3837  */
3838 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE                         0x03
3839 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED                     0x04
3840 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC                        0x08
3841 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT                        0xF0
3842 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM              8
3843 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM        12
3844
3845 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED               0x01
3846 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID                     0x02
3847 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID                   0x04
3848 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID             0x08
3849 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS                     0x10
3850 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE                  0x20
3851 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP                      0x40
3852
3853 struct ieee80211_neighbor_ap_info {
3854        u8 tbtt_info_hdr;
3855        u8 tbtt_info_len;
3856        u8 op_class;
3857        u8 channel;
3858 } __packed;
3859
3860 #endif /* LINUX_IEEE80211_H */