include/linux/ieee80211.h

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
ieee80211_sn_less
ieee80211_sn_add
ieee80211_sn_inc
ieee80211_sn_sub
ieee80211_has_tods
ieee80211_has_fromds
ieee80211_has_a4
ieee80211_has_morefrags
ieee80211_has_retry
ieee80211_has_pm
ieee80211_has_moredata
ieee80211_has_protected
ieee80211_has_order
ieee80211_is_mgmt
ieee80211_is_ctl
ieee80211_is_data
ieee80211_is_data_qos
ieee80211_is_data_present
ieee80211_is_assoc_req
ieee80211_is_assoc_resp
ieee80211_is_reassoc_req
ieee80211_is_reassoc_resp
ieee80211_is_probe_req
ieee80211_is_probe_resp
ieee80211_is_beacon
ieee80211_is_atim
ieee80211_is_disassoc
ieee80211_is_auth
ieee80211_is_deauth
ieee80211_is_action
ieee80211_is_back_req
ieee80211_is_back
ieee80211_is_pspoll
ieee80211_is_rts
ieee80211_is_cts
ieee80211_is_ack
ieee80211_is_cfend
ieee80211_is_cfendack
ieee80211_is_nullfunc
ieee80211_is_qos_nullfunc
ieee80211_is_any_nullfunc
ieee80211_is_bufferable_mmpdu
ieee80211_is_first_frag
ieee80211_is_frag
ieee80211_he_mcs_nss_size
ieee80211_he_ppe_size
ieee80211_he_oper_size
ieee80211_he_spr_size
ieee80211_get_qos_ctl
ieee80211_get_tid
ieee80211_get_SA
ieee80211_get_DA
_ieee80211_is_robust_mgmt_frame
ieee80211_is_robust_mgmt_frame
ieee80211_is_public_action
_ieee80211_is_group_privacy_action
ieee80211_is_group_privacy_action
ieee80211_tu_to_usec
ieee80211_check_tim
ieee80211_get_tdls_action
ieee80211_action_contains_tpc
for_each_element_completed
   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 - 2019 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 
 109 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
 110 #define IEEE80211_CTL_EXT_POLL          0x2000
 111 #define IEEE80211_CTL_EXT_SPR           0x3000
 112 #define IEEE80211_CTL_EXT_GRANT 0x4000
 113 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
 114 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
 115 #define IEEE80211_CTL_EXT_SSW           0x8000
 116 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
 117 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
 118 
 119 
 120 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
 121 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
 122 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
 123 
 124 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
 125 {
 126         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
 127 }
 128 
 129 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
 130 {
 131         return (sn1 + sn2) & IEEE80211_SN_MASK;
 132 }
 133 
 134 static inline u16 ieee80211_sn_inc(u16 sn)
 135 {
 136         return ieee80211_sn_add(sn, 1);
 137 }
 138 
 139 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
 140 {
 141         return (sn1 - sn2) & IEEE80211_SN_MASK;
 142 }
 143 
 144 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
 145 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
 146 
 147 /* miscellaneous IEEE 802.11 constants */
 148 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
 149 #define IEEE80211_MAX_RTS_THRESHOLD     2353
 150 #define IEEE80211_MAX_AID               2007
 151 #define IEEE80211_MAX_TIM_LEN           251
 152 #define IEEE80211_MAX_MESH_PEERINGS     63
 153 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
 154    6.2.1.1.2.
 155 
 156    802.11e clarifies the figure in section 7.1.2. The frame body is
 157    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
 158 #define IEEE80211_MAX_DATA_LEN          2304
 159 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
 160  * to 7920 bytes, see 8.2.3 General frame format
 161  */
 162 #define IEEE80211_MAX_DATA_LEN_DMG      7920
 163 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
 164 #define IEEE80211_MAX_FRAME_LEN         2352
 165 
 166 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
 167 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
 168 
 169 /* Maximal size of an A-MSDU */
 170 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
 171 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
 172 
 173 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
 174 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
 175 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
 176 
 177 #define IEEE80211_MAX_SSID_LEN          32
 178 
 179 #define IEEE80211_MAX_MESH_ID_LEN       32
 180 
 181 #define IEEE80211_FIRST_TSPEC_TSID      8
 182 #define IEEE80211_NUM_TIDS              16
 183 
 184 /* number of user priorities 802.11 uses */
 185 #define IEEE80211_NUM_UPS               8
 186 /* number of ACs */
 187 #define IEEE80211_NUM_ACS               4
 188 
 189 #define IEEE80211_QOS_CTL_LEN           2
 190 /* 1d tag mask */
 191 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
 192 /* TID mask */
 193 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
 194 /* EOSP */
 195 #define IEEE80211_QOS_CTL_EOSP                  0x0010
 196 /* ACK policy */
 197 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
 198 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
 199 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
 200 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
 201 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
 202 /* A-MSDU 802.11n */
 203 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
 204 /* Mesh Control 802.11s */
 205 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
 206 
 207 /* Mesh Power Save Level */
 208 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL         0x0200
 209 /* Mesh Receiver Service Period Initiated */
 210 #define IEEE80211_QOS_CTL_RSPI                  0x0400
 211 
 212 /* U-APSD queue for WMM IEs sent by AP */
 213 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
 214 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
 215 
 216 /* U-APSD queues for WMM IEs sent by STA */
 217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
 218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
 219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
 220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
 221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
 222 
 223 /* U-APSD max SP length for WMM IEs sent by STA */
 224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
 225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
 226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
 227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
 228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
 229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
 230 
 231 #define IEEE80211_HT_CTL_LEN            4
 232 
 233 struct ieee80211_hdr {
 234         __le16 frame_control;
 235         __le16 duration_id;
 236         u8 addr1[ETH_ALEN];
 237         u8 addr2[ETH_ALEN];
 238         u8 addr3[ETH_ALEN];
 239         __le16 seq_ctrl;
 240         u8 addr4[ETH_ALEN];
 241 } __packed __aligned(2);
 242 
 243 struct ieee80211_hdr_3addr {
 244         __le16 frame_control;
 245         __le16 duration_id;
 246         u8 addr1[ETH_ALEN];
 247         u8 addr2[ETH_ALEN];
 248         u8 addr3[ETH_ALEN];
 249         __le16 seq_ctrl;
 250 } __packed __aligned(2);
 251 
 252 struct ieee80211_qos_hdr {
 253         __le16 frame_control;
 254         __le16 duration_id;
 255         u8 addr1[ETH_ALEN];
 256         u8 addr2[ETH_ALEN];
 257         u8 addr3[ETH_ALEN];
 258         __le16 seq_ctrl;
 259         __le16 qos_ctrl;
 260 } __packed __aligned(2);
 261 
 262 /**
 263  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
 264  * @fc: frame control bytes in little-endian byteorder
 265  */
 266 static inline bool ieee80211_has_tods(__le16 fc)
 267 {
 268         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
 269 }
 270 
 271 /**
 272  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
 273  * @fc: frame control bytes in little-endian byteorder
 274  */
 275 static inline bool ieee80211_has_fromds(__le16 fc)
 276 {
 277         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
 278 }
 279 
 280 /**
 281  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
 282  * @fc: frame control bytes in little-endian byteorder
 283  */
 284 static inline bool ieee80211_has_a4(__le16 fc)
 285 {
 286         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
 287         return (fc & tmp) == tmp;
 288 }
 289 
 290 /**
 291  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
 292  * @fc: frame control bytes in little-endian byteorder
 293  */
 294 static inline bool ieee80211_has_morefrags(__le16 fc)
 295 {
 296         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
 297 }
 298 
 299 /**
 300  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
 301  * @fc: frame control bytes in little-endian byteorder
 302  */
 303 static inline bool ieee80211_has_retry(__le16 fc)
 304 {
 305         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
 306 }
 307 
 308 /**
 309  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
 310  * @fc: frame control bytes in little-endian byteorder
 311  */
 312 static inline bool ieee80211_has_pm(__le16 fc)
 313 {
 314         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
 315 }
 316 
 317 /**
 318  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
 319  * @fc: frame control bytes in little-endian byteorder
 320  */
 321 static inline bool ieee80211_has_moredata(__le16 fc)
 322 {
 323         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
 324 }
 325 
 326 /**
 327  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
 328  * @fc: frame control bytes in little-endian byteorder
 329  */
 330 static inline bool ieee80211_has_protected(__le16 fc)
 331 {
 332         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
 333 }
 334 
 335 /**
 336  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
 337  * @fc: frame control bytes in little-endian byteorder
 338  */
 339 static inline bool ieee80211_has_order(__le16 fc)
 340 {
 341         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
 342 }
 343 
 344 /**
 345  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
 346  * @fc: frame control bytes in little-endian byteorder
 347  */
 348 static inline bool ieee80211_is_mgmt(__le16 fc)
 349 {
 350         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 351                cpu_to_le16(IEEE80211_FTYPE_MGMT);
 352 }
 353 
 354 /**
 355  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
 356  * @fc: frame control bytes in little-endian byteorder
 357  */
 358 static inline bool ieee80211_is_ctl(__le16 fc)
 359 {
 360         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 361                cpu_to_le16(IEEE80211_FTYPE_CTL);
 362 }
 363 
 364 /**
 365  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
 366  * @fc: frame control bytes in little-endian byteorder
 367  */
 368 static inline bool ieee80211_is_data(__le16 fc)
 369 {
 370         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
 371                cpu_to_le16(IEEE80211_FTYPE_DATA);
 372 }
 373 
 374 /**
 375  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
 376  * @fc: frame control bytes in little-endian byteorder
 377  */
 378 static inline bool ieee80211_is_data_qos(__le16 fc)
 379 {
 380         /*
 381          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
 382          * to check the one bit
 383          */
 384         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
 385                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
 386 }
 387 
 388 /**
 389  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
 390  * @fc: frame control bytes in little-endian byteorder
 391  */
 392 static inline bool ieee80211_is_data_present(__le16 fc)
 393 {
 394         /*
 395          * mask with 0x40 and test that that bit is clear to only return true
 396          * for the data-containing substypes.
 397          */
 398         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
 399                cpu_to_le16(IEEE80211_FTYPE_DATA);
 400 }
 401 
 402 /**
 403  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
 404  * @fc: frame control bytes in little-endian byteorder
 405  */
 406 static inline bool ieee80211_is_assoc_req(__le16 fc)
 407 {
 408         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 409                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
 410 }
 411 
 412 /**
 413  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
 414  * @fc: frame control bytes in little-endian byteorder
 415  */
 416 static inline bool ieee80211_is_assoc_resp(__le16 fc)
 417 {
 418         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 419                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
 420 }
 421 
 422 /**
 423  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
 424  * @fc: frame control bytes in little-endian byteorder
 425  */
 426 static inline bool ieee80211_is_reassoc_req(__le16 fc)
 427 {
 428         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 429                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
 430 }
 431 
 432 /**
 433  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
 434  * @fc: frame control bytes in little-endian byteorder
 435  */
 436 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
 437 {
 438         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 439                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
 440 }
 441 
 442 /**
 443  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
 444  * @fc: frame control bytes in little-endian byteorder
 445  */
 446 static inline bool ieee80211_is_probe_req(__le16 fc)
 447 {
 448         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 449                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
 450 }
 451 
 452 /**
 453  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
 454  * @fc: frame control bytes in little-endian byteorder
 455  */
 456 static inline bool ieee80211_is_probe_resp(__le16 fc)
 457 {
 458         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 459                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
 460 }
 461 
 462 /**
 463  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
 464  * @fc: frame control bytes in little-endian byteorder
 465  */
 466 static inline bool ieee80211_is_beacon(__le16 fc)
 467 {
 468         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 469                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
 470 }
 471 
 472 /**
 473  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
 474  * @fc: frame control bytes in little-endian byteorder
 475  */
 476 static inline bool ieee80211_is_atim(__le16 fc)
 477 {
 478         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 479                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
 480 }
 481 
 482 /**
 483  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
 484  * @fc: frame control bytes in little-endian byteorder
 485  */
 486 static inline bool ieee80211_is_disassoc(__le16 fc)
 487 {
 488         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 489                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
 490 }
 491 
 492 /**
 493  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
 494  * @fc: frame control bytes in little-endian byteorder
 495  */
 496 static inline bool ieee80211_is_auth(__le16 fc)
 497 {
 498         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 499                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
 500 }
 501 
 502 /**
 503  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
 504  * @fc: frame control bytes in little-endian byteorder
 505  */
 506 static inline bool ieee80211_is_deauth(__le16 fc)
 507 {
 508         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 509                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
 510 }
 511 
 512 /**
 513  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
 514  * @fc: frame control bytes in little-endian byteorder
 515  */
 516 static inline bool ieee80211_is_action(__le16 fc)
 517 {
 518         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 519                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
 520 }
 521 
 522 /**
 523  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
 524  * @fc: frame control bytes in little-endian byteorder
 525  */
 526 static inline bool ieee80211_is_back_req(__le16 fc)
 527 {
 528         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 529                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
 530 }
 531 
 532 /**
 533  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
 534  * @fc: frame control bytes in little-endian byteorder
 535  */
 536 static inline bool ieee80211_is_back(__le16 fc)
 537 {
 538         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 539                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
 540 }
 541 
 542 /**
 543  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
 544  * @fc: frame control bytes in little-endian byteorder
 545  */
 546 static inline bool ieee80211_is_pspoll(__le16 fc)
 547 {
 548         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 549                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 550 }
 551 
 552 /**
 553  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
 554  * @fc: frame control bytes in little-endian byteorder
 555  */
 556 static inline bool ieee80211_is_rts(__le16 fc)
 557 {
 558         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 559                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
 560 }
 561 
 562 /**
 563  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
 564  * @fc: frame control bytes in little-endian byteorder
 565  */
 566 static inline bool ieee80211_is_cts(__le16 fc)
 567 {
 568         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 569                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
 570 }
 571 
 572 /**
 573  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
 574  * @fc: frame control bytes in little-endian byteorder
 575  */
 576 static inline bool ieee80211_is_ack(__le16 fc)
 577 {
 578         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 579                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
 580 }
 581 
 582 /**
 583  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
 584  * @fc: frame control bytes in little-endian byteorder
 585  */
 586 static inline bool ieee80211_is_cfend(__le16 fc)
 587 {
 588         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 589                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
 590 }
 591 
 592 /**
 593  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
 594  * @fc: frame control bytes in little-endian byteorder
 595  */
 596 static inline bool ieee80211_is_cfendack(__le16 fc)
 597 {
 598         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 599                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
 600 }
 601 
 602 /**
 603  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
 604  * @fc: frame control bytes in little-endian byteorder
 605  */
 606 static inline bool ieee80211_is_nullfunc(__le16 fc)
 607 {
 608         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 609                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
 610 }
 611 
 612 /**
 613  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
 614  * @fc: frame control bytes in little-endian byteorder
 615  */
 616 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
 617 {
 618         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
 619                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
 620 }
 621 
 622 /**
 623  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
 624  * @fc: frame control bytes in little-endian byteorder
 625  */
 626 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
 627 {
 628         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
 629 }
 630 
 631 /**
 632  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
 633  * @fc: frame control field in little-endian byteorder
 634  */
 635 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
 636 {
 637         /* IEEE 802.11-2012, definition of "bufferable management frame";
 638          * note that this ignores the IBSS special case. */
 639         return ieee80211_is_mgmt(fc) &&
 640                (ieee80211_is_action(fc) ||
 641                 ieee80211_is_disassoc(fc) ||
 642                 ieee80211_is_deauth(fc));
 643 }
 644 
 645 /**
 646  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
 647  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
 648  */
 649 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
 650 {
 651         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
 652 }
 653 
 654 /**
 655  * ieee80211_is_frag - check if a frame is a fragment
 656  * @hdr: 802.11 header of the frame
 657  */
 658 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
 659 {
 660         return ieee80211_has_morefrags(hdr->frame_control) ||
 661                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
 662 }
 663 
 664 struct ieee80211s_hdr {
 665         u8 flags;
 666         u8 ttl;
 667         __le32 seqnum;
 668         u8 eaddr1[ETH_ALEN];
 669         u8 eaddr2[ETH_ALEN];
 670 } __packed __aligned(2);
 671 
 672 /* Mesh flags */
 673 #define MESH_FLAGS_AE_A4        0x1
 674 #define MESH_FLAGS_AE_A5_A6     0x2
 675 #define MESH_FLAGS_AE           0x3
 676 #define MESH_FLAGS_PS_DEEP      0x4
 677 
 678 /**
 679  * enum ieee80211_preq_flags - mesh PREQ element flags
 680  *
 681  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
 682  */
 683 enum ieee80211_preq_flags {
 684         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
 685 };
 686 
 687 /**
 688  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
 689  *
 690  * @IEEE80211_PREQ_TO_FLAG: target only subfield
 691  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
 692  */
 693 enum ieee80211_preq_target_flags {
 694         IEEE80211_PREQ_TO_FLAG  = 1<<0,
 695         IEEE80211_PREQ_USN_FLAG = 1<<2,
 696 };
 697 
 698 /**
 699  * struct ieee80211_quiet_ie
 700  *
 701  * This structure refers to "Quiet information element"
 702  */
 703 struct ieee80211_quiet_ie {
 704         u8 count;
 705         u8 period;
 706         __le16 duration;
 707         __le16 offset;
 708 } __packed;
 709 
 710 /**
 711  * struct ieee80211_msrment_ie
 712  *
 713  * This structure refers to "Measurement Request/Report information element"
 714  */
 715 struct ieee80211_msrment_ie {
 716         u8 token;
 717         u8 mode;
 718         u8 type;
 719         u8 request[0];
 720 } __packed;
 721 
 722 /**
 723  * struct ieee80211_channel_sw_ie
 724  *
 725  * This structure refers to "Channel Switch Announcement information element"
 726  */
 727 struct ieee80211_channel_sw_ie {
 728         u8 mode;
 729         u8 new_ch_num;
 730         u8 count;
 731 } __packed;
 732 
 733 /**
 734  * struct ieee80211_ext_chansw_ie
 735  *
 736  * This structure represents the "Extended Channel Switch Announcement element"
 737  */
 738 struct ieee80211_ext_chansw_ie {
 739         u8 mode;
 740         u8 new_operating_class;
 741         u8 new_ch_num;
 742         u8 count;
 743 } __packed;
 744 
 745 /**
 746  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
 747  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
 748  *      values here
 749  * This structure represents the "Secondary Channel Offset element"
 750  */
 751 struct ieee80211_sec_chan_offs_ie {
 752         u8 sec_chan_offs;
 753 } __packed;
 754 
 755 /**
 756  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
 757  *
 758  * This structure represents the "Mesh Channel Switch Paramters element"
 759  */
 760 struct ieee80211_mesh_chansw_params_ie {
 761         u8 mesh_ttl;
 762         u8 mesh_flags;
 763         __le16 mesh_reason;
 764         __le16 mesh_pre_value;
 765 } __packed;
 766 
 767 /**
 768  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
 769  */
 770 struct ieee80211_wide_bw_chansw_ie {
 771         u8 new_channel_width;
 772         u8 new_center_freq_seg0, new_center_freq_seg1;
 773 } __packed;
 774 
 775 /**
 776  * struct ieee80211_tim
 777  *
 778  * This structure refers to "Traffic Indication Map information element"
 779  */
 780 struct ieee80211_tim_ie {
 781         u8 dtim_count;
 782         u8 dtim_period;
 783         u8 bitmap_ctrl;
 784         /* variable size: 1 - 251 bytes */
 785         u8 virtual_map[1];
 786 } __packed;
 787 
 788 /**
 789  * struct ieee80211_meshconf_ie
 790  *
 791  * This structure refers to "Mesh Configuration information element"
 792  */
 793 struct ieee80211_meshconf_ie {
 794         u8 meshconf_psel;
 795         u8 meshconf_pmetric;
 796         u8 meshconf_congest;
 797         u8 meshconf_synch;
 798         u8 meshconf_auth;
 799         u8 meshconf_form;
 800         u8 meshconf_cap;
 801 } __packed;
 802 
 803 /**
 804  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
 805  *
 806  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
 807  *      additional mesh peerings with other mesh STAs
 808  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
 809  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
 810  *      is ongoing
 811  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
 812  *      neighbors in deep sleep mode
 813  */
 814 enum mesh_config_capab_flags {
 815         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
 816         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
 817         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
 818         IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL       = 0x40,
 819 };
 820 
 821 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
 822 
 823 /**
 824  * mesh channel switch parameters element's flag indicator
 825  *
 826  */
 827 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
 828 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
 829 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
 830 
 831 /**
 832  * struct ieee80211_rann_ie
 833  *
 834  * This structure refers to "Root Announcement information element"
 835  */
 836 struct ieee80211_rann_ie {
 837         u8 rann_flags;
 838         u8 rann_hopcount;
 839         u8 rann_ttl;
 840         u8 rann_addr[ETH_ALEN];
 841         __le32 rann_seq;
 842         __le32 rann_interval;
 843         __le32 rann_metric;
 844 } __packed;
 845 
 846 enum ieee80211_rann_flags {
 847         RANN_FLAG_IS_GATE = 1 << 0,
 848 };
 849 
 850 enum ieee80211_ht_chanwidth_values {
 851         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
 852         IEEE80211_HT_CHANWIDTH_ANY = 1,
 853 };
 854 
 855 /**
 856  * enum ieee80211_opmode_bits - VHT operating mode field bits
 857  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
 858  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
 859  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
 860  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
 861  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
 862  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
 863  *      (the NSS value is the value of this field + 1)
 864  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
 865  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
 866  *      using a beamforming steering matrix
 867  */
 868 enum ieee80211_vht_opmode_bits {
 869         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
 870         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
 871         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
 872         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
 873         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
 874         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
 875         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
 876         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
 877 };
 878 
 879 #define WLAN_SA_QUERY_TR_ID_LEN 2
 880 #define WLAN_MEMBERSHIP_LEN 8
 881 #define WLAN_USER_POSITION_LEN 16
 882 
 883 /**
 884  * struct ieee80211_tpc_report_ie
 885  *
 886  * This structure refers to "TPC Report element"
 887  */
 888 struct ieee80211_tpc_report_ie {
 889         u8 tx_power;
 890         u8 link_margin;
 891 } __packed;
 892 
 893 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
 894 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
 895 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
 896 
 897 struct ieee80211_addba_ext_ie {
 898         u8 data;
 899 } __packed;
 900 
 901 struct ieee80211_mgmt {
 902         __le16 frame_control;
 903         __le16 duration;
 904         u8 da[ETH_ALEN];
 905         u8 sa[ETH_ALEN];
 906         u8 bssid[ETH_ALEN];
 907         __le16 seq_ctrl;
 908         union {
 909                 struct {
 910                         __le16 auth_alg;
 911                         __le16 auth_transaction;
 912                         __le16 status_code;
 913                         /* possibly followed by Challenge text */
 914                         u8 variable[0];
 915                 } __packed auth;
 916                 struct {
 917                         __le16 reason_code;
 918                 } __packed deauth;
 919                 struct {
 920                         __le16 capab_info;
 921                         __le16 listen_interval;
 922                         /* followed by SSID and Supported rates */
 923                         u8 variable[0];
 924                 } __packed assoc_req;
 925                 struct {
 926                         __le16 capab_info;
 927                         __le16 status_code;
 928                         __le16 aid;
 929                         /* followed by Supported rates */
 930                         u8 variable[0];
 931                 } __packed assoc_resp, reassoc_resp;
 932                 struct {
 933                         __le16 capab_info;
 934                         __le16 listen_interval;
 935                         u8 current_ap[ETH_ALEN];
 936                         /* followed by SSID and Supported rates */
 937                         u8 variable[0];
 938                 } __packed reassoc_req;
 939                 struct {
 940                         __le16 reason_code;
 941                 } __packed disassoc;
 942                 struct {
 943                         __le64 timestamp;
 944                         __le16 beacon_int;
 945                         __le16 capab_info;
 946                         /* followed by some of SSID, Supported rates,
 947                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
 948                         u8 variable[0];
 949                 } __packed beacon;
 950                 struct {
 951                         /* only variable items: SSID, Supported rates */
 952                         u8 variable[0];
 953                 } __packed probe_req;
 954                 struct {
 955                         __le64 timestamp;
 956                         __le16 beacon_int;
 957                         __le16 capab_info;
 958                         /* followed by some of SSID, Supported rates,
 959                          * FH Params, DS Params, CF Params, IBSS Params */
 960                         u8 variable[0];
 961                 } __packed probe_resp;
 962                 struct {
 963                         u8 category;
 964                         union {
 965                                 struct {
 966                                         u8 action_code;
 967                                         u8 dialog_token;
 968                                         u8 status_code;
 969                                         u8 variable[0];
 970                                 } __packed wme_action;
 971                                 struct{
 972                                         u8 action_code;
 973                                         u8 variable[0];
 974                                 } __packed chan_switch;
 975                                 struct{
 976                                         u8 action_code;
 977                                         struct ieee80211_ext_chansw_ie data;
 978                                         u8 variable[0];
 979                                 } __packed ext_chan_switch;
 980                                 struct{
 981                                         u8 action_code;
 982                                         u8 dialog_token;
 983                                         u8 element_id;
 984                                         u8 length;
 985                                         struct ieee80211_msrment_ie msr_elem;
 986                                 } __packed measurement;
 987                                 struct{
 988                                         u8 action_code;
 989                                         u8 dialog_token;
 990                                         __le16 capab;
 991                                         __le16 timeout;
 992                                         __le16 start_seq_num;
 993                                         /* followed by BA Extension */
 994                                         u8 variable[0];
 995                                 } __packed addba_req;
 996                                 struct{
 997                                         u8 action_code;
 998                                         u8 dialog_token;
 999                                         __le16 status;
1000                                         __le16 capab;
1001                                         __le16 timeout;
1002                                 } __packed addba_resp;
1003                                 struct{
1004                                         u8 action_code;
1005                                         __le16 params;
1006                                         __le16 reason_code;
1007                                 } __packed delba;
1008                                 struct {
1009                                         u8 action_code;
1010                                         u8 variable[0];
1011                                 } __packed self_prot;
1012                                 struct{
1013                                         u8 action_code;
1014                                         u8 variable[0];
1015                                 } __packed mesh_action;
1016                                 struct {
1017                                         u8 action;
1018                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1019                                 } __packed sa_query;
1020                                 struct {
1021                                         u8 action;
1022                                         u8 smps_control;
1023                                 } __packed ht_smps;
1024                                 struct {
1025                                         u8 action_code;
1026                                         u8 chanwidth;
1027                                 } __packed ht_notify_cw;
1028                                 struct {
1029                                         u8 action_code;
1030                                         u8 dialog_token;
1031                                         __le16 capability;
1032                                         u8 variable[0];
1033                                 } __packed tdls_discover_resp;
1034                                 struct {
1035                                         u8 action_code;
1036                                         u8 operating_mode;
1037                                 } __packed vht_opmode_notif;
1038                                 struct {
1039                                         u8 action_code;
1040                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1041                                         u8 position[WLAN_USER_POSITION_LEN];
1042                                 } __packed vht_group_notif;
1043                                 struct {
1044                                         u8 action_code;
1045                                         u8 dialog_token;
1046                                         u8 tpc_elem_id;
1047                                         u8 tpc_elem_length;
1048                                         struct ieee80211_tpc_report_ie tpc;
1049                                 } __packed tpc_report;
1050                                 struct {
1051                                         u8 action_code;
1052                                         u8 dialog_token;
1053                                         u8 follow_up;
1054                                         u8 tod[6];
1055                                         u8 toa[6];
1056                                         __le16 tod_error;
1057                                         __le16 toa_error;
1058                                         u8 variable[0];
1059                                 } __packed ftm;
1060                         } u;
1061                 } __packed action;
1062         } u;
1063 } __packed __aligned(2);
1064 
1065 /* Supported rates membership selectors */
1066 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1067 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1068 
1069 /* mgmt header + 1 byte category code */
1070 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1071 
1072 
1073 /* Management MIC information element (IEEE 802.11w) */
1074 struct ieee80211_mmie {
1075         u8 element_id;
1076         u8 length;
1077         __le16 key_id;
1078         u8 sequence_number[6];
1079         u8 mic[8];
1080 } __packed;
1081 
1082 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1083 struct ieee80211_mmie_16 {
1084         u8 element_id;
1085         u8 length;
1086         __le16 key_id;
1087         u8 sequence_number[6];
1088         u8 mic[16];
1089 } __packed;
1090 
1091 struct ieee80211_vendor_ie {
1092         u8 element_id;
1093         u8 len;
1094         u8 oui[3];
1095         u8 oui_type;
1096 } __packed;
1097 
1098 struct ieee80211_wmm_ac_param {
1099         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1100         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1101         __le16 txop_limit;
1102 } __packed;
1103 
1104 struct ieee80211_wmm_param_ie {
1105         u8 element_id; /* Element ID: 221 (0xdd); */
1106         u8 len; /* Length: 24 */
1107         /* required fields for WMM version 1 */
1108         u8 oui[3]; /* 00:50:f2 */
1109         u8 oui_type; /* 2 */
1110         u8 oui_subtype; /* 1 */
1111         u8 version; /* 1 for WMM version 1.0 */
1112         u8 qos_info; /* AP/STA specific QoS info */
1113         u8 reserved; /* 0 */
1114         /* AC_BE, AC_BK, AC_VI, AC_VO */
1115         struct ieee80211_wmm_ac_param ac[4];
1116 } __packed;
1117 
1118 /* Control frames */
1119 struct ieee80211_rts {
1120         __le16 frame_control;
1121         __le16 duration;
1122         u8 ra[ETH_ALEN];
1123         u8 ta[ETH_ALEN];
1124 } __packed __aligned(2);
1125 
1126 struct ieee80211_cts {
1127         __le16 frame_control;
1128         __le16 duration;
1129         u8 ra[ETH_ALEN];
1130 } __packed __aligned(2);
1131 
1132 struct ieee80211_pspoll {
1133         __le16 frame_control;
1134         __le16 aid;
1135         u8 bssid[ETH_ALEN];
1136         u8 ta[ETH_ALEN];
1137 } __packed __aligned(2);
1138 
1139 /* TDLS */
1140 
1141 /* Channel switch timing */
1142 struct ieee80211_ch_switch_timing {
1143         __le16 switch_time;
1144         __le16 switch_timeout;
1145 } __packed;
1146 
1147 /* Link-id information element */
1148 struct ieee80211_tdls_lnkie {
1149         u8 ie_type; /* Link Identifier IE */
1150         u8 ie_len;
1151         u8 bssid[ETH_ALEN];
1152         u8 init_sta[ETH_ALEN];
1153         u8 resp_sta[ETH_ALEN];
1154 } __packed;
1155 
1156 struct ieee80211_tdls_data {
1157         u8 da[ETH_ALEN];
1158         u8 sa[ETH_ALEN];
1159         __be16 ether_type;
1160         u8 payload_type;
1161         u8 category;
1162         u8 action_code;
1163         union {
1164                 struct {
1165                         u8 dialog_token;
1166                         __le16 capability;
1167                         u8 variable[0];
1168                 } __packed setup_req;
1169                 struct {
1170                         __le16 status_code;
1171                         u8 dialog_token;
1172                         __le16 capability;
1173                         u8 variable[0];
1174                 } __packed setup_resp;
1175                 struct {
1176                         __le16 status_code;
1177                         u8 dialog_token;
1178                         u8 variable[0];
1179                 } __packed setup_cfm;
1180                 struct {
1181                         __le16 reason_code;
1182                         u8 variable[0];
1183                 } __packed teardown;
1184                 struct {
1185                         u8 dialog_token;
1186                         u8 variable[0];
1187                 } __packed discover_req;
1188                 struct {
1189                         u8 target_channel;
1190                         u8 oper_class;
1191                         u8 variable[0];
1192                 } __packed chan_switch_req;
1193                 struct {
1194                         __le16 status_code;
1195                         u8 variable[0];
1196                 } __packed chan_switch_resp;
1197         } u;
1198 } __packed;
1199 
1200 /*
1201  * Peer-to-Peer IE attribute related definitions.
1202  */
1203 /**
1204  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1205  */
1206 enum ieee80211_p2p_attr_id {
1207         IEEE80211_P2P_ATTR_STATUS = 0,
1208         IEEE80211_P2P_ATTR_MINOR_REASON,
1209         IEEE80211_P2P_ATTR_CAPABILITY,
1210         IEEE80211_P2P_ATTR_DEVICE_ID,
1211         IEEE80211_P2P_ATTR_GO_INTENT,
1212         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1213         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1214         IEEE80211_P2P_ATTR_GROUP_BSSID,
1215         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1216         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1217         IEEE80211_P2P_ATTR_MANAGABILITY,
1218         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1219         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1220         IEEE80211_P2P_ATTR_DEVICE_INFO,
1221         IEEE80211_P2P_ATTR_GROUP_INFO,
1222         IEEE80211_P2P_ATTR_GROUP_ID,
1223         IEEE80211_P2P_ATTR_INTERFACE,
1224         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1225         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1226         /* 19 - 220: Reserved */
1227         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1228 
1229         IEEE80211_P2P_ATTR_MAX
1230 };
1231 
1232 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1233 /* Typical max value used here */
1234 #define IEEE80211_P2P_NOA_DESC_MAX      4
1235 
1236 struct ieee80211_p2p_noa_desc {
1237         u8 count;
1238         __le32 duration;
1239         __le32 interval;
1240         __le32 start_time;
1241 } __packed;
1242 
1243 struct ieee80211_p2p_noa_attr {
1244         u8 index;
1245         u8 oppps_ctwindow;
1246         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1247 } __packed;
1248 
1249 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1250 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1251 
1252 /**
1253  * struct ieee80211_bar - HT Block Ack Request
1254  *
1255  * This structure refers to "HT BlockAckReq" as
1256  * described in 802.11n draft section 7.2.1.7.1
1257  */
1258 struct ieee80211_bar {
1259         __le16 frame_control;
1260         __le16 duration;
1261         __u8 ra[ETH_ALEN];
1262         __u8 ta[ETH_ALEN];
1263         __le16 control;
1264         __le16 start_seq_num;
1265 } __packed;
1266 
1267 /* 802.11 BAR control masks */
1268 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1269 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1270 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1271 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1272 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1273 
1274 #define IEEE80211_HT_MCS_MASK_LEN               10
1275 
1276 /**
1277  * struct ieee80211_mcs_info - MCS information
1278  * @rx_mask: RX mask
1279  * @rx_highest: highest supported RX rate. If set represents
1280  *      the highest supported RX data rate in units of 1 Mbps.
1281  *      If this field is 0 this value should not be used to
1282  *      consider the highest RX data rate supported.
1283  * @tx_params: TX parameters
1284  */
1285 struct ieee80211_mcs_info {
1286         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1287         __le16 rx_highest;
1288         u8 tx_params;
1289         u8 reserved[3];
1290 } __packed;
1291 
1292 /* 802.11n HT capability MSC set */
1293 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1294 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1295 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1296 /* value 0 == 1 stream etc */
1297 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1298 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1299 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1300 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1301 
1302 /*
1303  * 802.11n D5.0 20.3.5 / 20.6 says:
1304  * - indices 0 to 7 and 32 are single spatial stream
1305  * - 8 to 31 are multiple spatial streams using equal modulation
1306  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1307  * - remainder are multiple spatial streams using unequal modulation
1308  */
1309 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1310 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1311         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1312 
1313 /**
1314  * struct ieee80211_ht_cap - HT capabilities
1315  *
1316  * This structure is the "HT capabilities element" as
1317  * described in 802.11n D5.0 7.3.2.57
1318  */
1319 struct ieee80211_ht_cap {
1320         __le16 cap_info;
1321         u8 ampdu_params_info;
1322 
1323         /* 16 bytes MCS information */
1324         struct ieee80211_mcs_info mcs;
1325 
1326         __le16 extended_ht_cap_info;
1327         __le32 tx_BF_cap_info;
1328         u8 antenna_selection_info;
1329 } __packed;
1330 
1331 /* 802.11n HT capabilities masks (for cap_info) */
1332 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1333 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1334 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1335 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1336 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1337 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1338 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1339 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1340 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1341 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1342 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1343 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1344 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1345 #define IEEE80211_HT_CAP_RESERVED               0x2000
1346 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1347 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1348 
1349 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1350 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1351 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1352 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1353 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1354 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1355 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1356 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1357 
1358 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1359 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1360 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1361 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1362 
1363 /*
1364  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1365  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1366  */
1367 enum ieee80211_max_ampdu_length_exp {
1368         IEEE80211_HT_MAX_AMPDU_8K = 0,
1369         IEEE80211_HT_MAX_AMPDU_16K = 1,
1370         IEEE80211_HT_MAX_AMPDU_32K = 2,
1371         IEEE80211_HT_MAX_AMPDU_64K = 3
1372 };
1373 
1374 /*
1375  * Maximum length of AMPDU that the STA can receive in VHT.
1376  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1377  */
1378 enum ieee80211_vht_max_ampdu_length_exp {
1379         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1380         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1381         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1382         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1383         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1384         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1385         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1386         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1387 };
1388 
1389 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1390 
1391 /* Minimum MPDU start spacing */
1392 enum ieee80211_min_mpdu_spacing {
1393         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1394         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1395         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1396         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1397         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1398         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1399         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1400         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1401 };
1402 
1403 /**
1404  * struct ieee80211_ht_operation - HT operation IE
1405  *
1406  * This structure is the "HT operation element" as
1407  * described in 802.11n-2009 7.3.2.57
1408  */
1409 struct ieee80211_ht_operation {
1410         u8 primary_chan;
1411         u8 ht_param;
1412         __le16 operation_mode;
1413         __le16 stbc_param;
1414         u8 basic_set[16];
1415 } __packed;
1416 
1417 /* for ht_param */
1418 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1419 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1420 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1421 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1422 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1423 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1424 
1425 /* for operation_mode */
1426 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1427 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1428 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1429 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1430 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1431 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1432 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1433 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1434 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1435 
1436 /* for stbc_param */
1437 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1438 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1439 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1440 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1441 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1442 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1443 
1444 
1445 /* block-ack parameters */
1446 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1447 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1448 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1449 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1450 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1451 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1452 
1453 /*
1454  * A-MPDU buffer sizes
1455  * According to HT size varies from 8 to 64 frames
1456  * HE adds the ability to have up to 256 frames.
1457  */
1458 #define IEEE80211_MIN_AMPDU_BUF         0x8
1459 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1460 #define IEEE80211_MAX_AMPDU_BUF         0x100
1461 
1462 
1463 /* Spatial Multiplexing Power Save Modes (for capability) */
1464 #define WLAN_HT_CAP_SM_PS_STATIC        0
1465 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1466 #define WLAN_HT_CAP_SM_PS_INVALID       2
1467 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1468 
1469 /* for SM power control field lower two bits */
1470 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1471 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1472 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1473 
1474 /**
1475  * struct ieee80211_vht_mcs_info - VHT MCS information
1476  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1477  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1478  *      STA can receive. Rate expressed in units of 1 Mbps.
1479  *      If this field is 0 this value should not be used to
1480  *      consider the highest RX data rate supported.
1481  *      The top 3 bits of this field indicate the Maximum NSTS,total
1482  *      (a beamformee capability.)
1483  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1484  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1485  *      STA can transmit. Rate expressed in units of 1 Mbps.
1486  *      If this field is 0 this value should not be used to
1487  *      consider the highest TX data rate supported.
1488  *      The top 2 bits of this field are reserved, the
1489  *      3rd bit from the top indiciates VHT Extended NSS BW
1490  *      Capability.
1491  */
1492 struct ieee80211_vht_mcs_info {
1493         __le16 rx_mcs_map;
1494         __le16 rx_highest;
1495         __le16 tx_mcs_map;
1496         __le16 tx_highest;
1497 } __packed;
1498 
1499 /* for rx_highest */
1500 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1501 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1502 
1503 /* for tx_highest */
1504 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1505 
1506 /**
1507  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1508  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1509  *      number of streams
1510  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1511  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1512  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1513  *
1514  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1515  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1516  * both split into 8 subfields by number of streams. These values indicate
1517  * which MCSes are supported for the number of streams the value appears
1518  * for.
1519  */
1520 enum ieee80211_vht_mcs_support {
1521         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1522         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1523         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1524         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1525 };
1526 
1527 /**
1528  * struct ieee80211_vht_cap - VHT capabilities
1529  *
1530  * This structure is the "VHT capabilities element" as
1531  * described in 802.11ac D3.0 8.4.2.160
1532  * @vht_cap_info: VHT capability info
1533  * @supp_mcs: VHT MCS supported rates
1534  */
1535 struct ieee80211_vht_cap {
1536         __le32 vht_cap_info;
1537         struct ieee80211_vht_mcs_info supp_mcs;
1538 } __packed;
1539 
1540 /**
1541  * enum ieee80211_vht_chanwidth - VHT channel width
1542  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1543  *      determine the channel width (20 or 40 MHz)
1544  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1545  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1546  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1547  */
1548 enum ieee80211_vht_chanwidth {
1549         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1550         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1551         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1552         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1553 };
1554 
1555 /**
1556  * struct ieee80211_vht_operation - VHT operation IE
1557  *
1558  * This structure is the "VHT operation element" as
1559  * described in 802.11ac D3.0 8.4.2.161
1560  * @chan_width: Operating channel width
1561  * @center_freq_seg0_idx: center freq segment 0 index
1562  * @center_freq_seg1_idx: center freq segment 1 index
1563  * @basic_mcs_set: VHT Basic MCS rate set
1564  */
1565 struct ieee80211_vht_operation {
1566         u8 chan_width;
1567         u8 center_freq_seg0_idx;
1568         u8 center_freq_seg1_idx;
1569         __le16 basic_mcs_set;
1570 } __packed;
1571 
1572 /**
1573  * struct ieee80211_he_cap_elem - HE capabilities element
1574  *
1575  * This structure is the "HE capabilities element" fixed fields as
1576  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1577  */
1578 struct ieee80211_he_cap_elem {
1579         u8 mac_cap_info[6];
1580         u8 phy_cap_info[11];
1581 } __packed;
1582 
1583 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1584 
1585 /**
1586  * enum ieee80211_he_mcs_support - HE MCS support definitions
1587  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1588  *      number of streams
1589  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1590  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1591  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1592  *
1593  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1594  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1595  * both split into 8 subfields by number of streams. These values indicate
1596  * which MCSes are supported for the number of streams the value appears
1597  * for.
1598  */
1599 enum ieee80211_he_mcs_support {
1600         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1601         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1602         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1603         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1604 };
1605 
1606 /**
1607  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1608  *
1609  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1610  * described in P802.11ax_D2.0 section 9.4.2.237.4
1611  *
1612  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1613  *     widths less than 80MHz.
1614  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1615  *     widths less than 80MHz.
1616  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1617  *     width 160MHz.
1618  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1619  *     width 160MHz.
1620  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1621  *     channel width 80p80MHz.
1622  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1623  *     channel width 80p80MHz.
1624  */
1625 struct ieee80211_he_mcs_nss_supp {
1626         __le16 rx_mcs_80;
1627         __le16 tx_mcs_80;
1628         __le16 rx_mcs_160;
1629         __le16 tx_mcs_160;
1630         __le16 rx_mcs_80p80;
1631         __le16 tx_mcs_80p80;
1632 } __packed;
1633 
1634 /**
1635  * struct ieee80211_he_operation - HE capabilities element
1636  *
1637  * This structure is the "HE operation element" fields as
1638  * described in P802.11ax_D4.0 section 9.4.2.243
1639  */
1640 struct ieee80211_he_operation {
1641         __le32 he_oper_params;
1642         __le16 he_mcs_nss_set;
1643         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1644         u8 optional[0];
1645 } __packed;
1646 
1647 /**
1648  * struct ieee80211_he_spr - HE spatial reuse element
1649  *
1650  * This structure is the "HE spatial reuse element" element as
1651  * described in P802.11ax_D4.0 section 9.4.2.241
1652  */
1653 struct ieee80211_he_spr {
1654         u8 he_sr_control;
1655         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1656         u8 optional[0];
1657 } __packed;
1658 
1659 /**
1660  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1661  *
1662  * This structure is the "MU AC Parameter Record" fields as
1663  * described in P802.11ax_D4.0 section 9.4.2.245
1664  */
1665 struct ieee80211_he_mu_edca_param_ac_rec {
1666         u8 aifsn;
1667         u8 ecw_min_max;
1668         u8 mu_edca_timer;
1669 } __packed;
1670 
1671 /**
1672  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1673  *
1674  * This structure is the "MU EDCA Parameter Set element" fields as
1675  * described in P802.11ax_D4.0 section 9.4.2.245
1676  */
1677 struct ieee80211_mu_edca_param_set {
1678         u8 mu_qos_info;
1679         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1680         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1681         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1682         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1683 } __packed;
1684 
1685 /* 802.11ac VHT Capabilities */
1686 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1687 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1688 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1689 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1690 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1691 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1692 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1693 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1694 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1695 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1696 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1697 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1698 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1699 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1700 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1701 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1702 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1703 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1704 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1705 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1706 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1707 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1708                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1709 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1710 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1711                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1712 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1713 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1714 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1715 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1716 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1717 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1718                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1719 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1720 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1721 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1722 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1723 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1724 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1725 
1726 /**
1727  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1728  * @cap: VHT capabilities of the peer
1729  * @bw: bandwidth to use
1730  * @mcs: MCS index to use
1731  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1732  *      (rate scaling algorithm) can deal with the new logic
1733  *      (dot11VHTExtendedNSSBWCapable)
1734  *
1735  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1736  * vary for a given BW/MCS. This function parses the data.
1737  *
1738  * Note: This function is exported by cfg80211.
1739  */
1740 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1741                               enum ieee80211_vht_chanwidth bw,
1742                               int mcs, bool ext_nss_bw_capable);
1743 
1744 /* 802.11ax HE MAC capabilities */
1745 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1746 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1747 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1748 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1749 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1750 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1751 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1752 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1753 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1754 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1755 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1756 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1757 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1758 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1759 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1760 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1761 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1762 
1763 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1764 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1765 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1766 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1767 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1768 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1769 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1770 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1771 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1772 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1773 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1774 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1775 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1776 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1777 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1778 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1779 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1780 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1781 
1782 /* Link adaptation is split between byte HE_MAC_CAP1 and
1783  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1784  * in which case the following values apply:
1785  * 0 = No feedback.
1786  * 1 = reserved.
1787  * 2 = Unsolicited feedback.
1788  * 3 = both
1789  */
1790 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1791 
1792 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1793 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1794 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1795 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1796 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1797 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1798 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1799 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1800 
1801 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1802 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1803 
1804 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1805  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1806  * same field in the HE capabilities.
1807  */
1808 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1809 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1810 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1811 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1812 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1813 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1814 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1815 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1816 
1817 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1818 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1819 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1820 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1821 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1822 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1823 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1824 /* Multi TID agg TX is split between byte #4 and #5
1825  * The value is a combination of B39,B40,B41
1826  */
1827 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1828 
1829 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1830 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1831 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1832 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1833 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1834 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1835 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1836 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1837 
1838 /* 802.11ax HE PHY capabilities */
1839 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1840 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1841 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1842 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1843 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1844 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1845 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1846 
1847 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1848 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1849 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1850 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1851 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1852 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1853 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1854 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1855 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1856 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1857 
1858 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1859 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1860 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1861 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1862 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1863 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1864 
1865 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1866  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1867  * case it indicates support for Tx.
1868  */
1869 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1870 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1871 
1872 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1873 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1874 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1875 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1876 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1877 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1878 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1879 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1880 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1881 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1882 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1883 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1884 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1885 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1886 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1887 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1888 
1889 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1890 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1891 
1892 /* Minimal allowed value of Max STS under 80MHz is 3 */
1893 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1894 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1895 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1896 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1897 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1898 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1899 
1900 /* Minimal allowed value of Max STS above 80MHz is 3 */
1901 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1902 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1903 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1904 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1905 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1906 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1907 
1908 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1909 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1910 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1911 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1912 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1913 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1914 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1915 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1916 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1917 
1918 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1919 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1920 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1921 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1922 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1923 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1924 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1925 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1926 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1927 
1928 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1929 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1930 
1931 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1932 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1933 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1934 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1935 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1936 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1937 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1938 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1939 
1940 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1941 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1942 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1943 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1944 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1945 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1946 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1947 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1948 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1949 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1950 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1951 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1952 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1953 
1954 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1955 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1956 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1957 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1958 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1959 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1960 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1961 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1962 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1963 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1964 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1965 
1966 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1967 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1968 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1969 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1970 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1971 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1972 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1973 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
1974 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
1975 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
1976 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
1977 
1978 /* 802.11ax HE TX/RX MCS NSS Support  */
1979 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1980 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
1981 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
1982 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
1983 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
1984 
1985 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1986 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1987         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1988         HIGHEST_MCS_SUPPORTED_MCS8,
1989         HIGHEST_MCS_SUPPORTED_MCS9,
1990         HIGHEST_MCS_SUPPORTED_MCS10,
1991         HIGHEST_MCS_SUPPORTED_MCS11,
1992 };
1993 
1994 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1995 static inline u8
1996 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1997 {
1998         u8 count = 4;
1999 
2000         if (he_cap->phy_cap_info[0] &
2001             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2002                 count += 4;
2003 
2004         if (he_cap->phy_cap_info[0] &
2005             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2006                 count += 4;
2007 
2008         return count;
2009 }
2010 
2011 /* 802.11ax HE PPE Thresholds */
2012 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2013 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2014 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2015 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2016         (BIT(5) | BIT(6))
2017 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2018 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2019 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2020 
2021 /*
2022  * Calculate 802.11ax HE capabilities IE PPE field size
2023  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2024  */
2025 static inline u8
2026 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2027 {
2028         u8 n;
2029 
2030         if ((phy_cap_info[6] &
2031              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2032                 return 0;
2033 
2034         n = hweight8(ppe_thres_hdr &
2035                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2036         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2037                    IEEE80211_PPE_THRES_NSS_POS));
2038 
2039         /*
2040          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2041          * total size.
2042          */
2043         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2044         n = DIV_ROUND_UP(n, 8);
2045 
2046         return n;
2047 }
2048 
2049 /* HE Operation defines */
2050 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000007
2051 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2052 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2053 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2054 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2055 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2056 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2057 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2058 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2059 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET         24
2060 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2061 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2062 
2063 /*
2064  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2065  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2066  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2067  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2068  *      validated this.
2069  * @return the actual size of the IE data (not including header), or 0 on error
2070  */
2071 static inline u8
2072 ieee80211_he_oper_size(const u8 *he_oper_ie)
2073 {
2074         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2075         u8 oper_len = sizeof(struct ieee80211_he_operation);
2076         u32 he_oper_params;
2077 
2078         /* Make sure the input is not NULL */
2079         if (!he_oper_ie)
2080                 return 0;
2081 
2082         /* Calc required length */
2083         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2084         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2085                 oper_len += 3;
2086         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2087                 oper_len++;
2088         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2089                 oper_len += 4;
2090 
2091         /* Add the first byte (extension ID) to the total length */
2092         oper_len++;
2093 
2094         return oper_len;
2095 }
2096 
2097 /* HE Spatial Reuse defines */
2098 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 0x4
2099 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                0x8
2100 
2101 /*
2102  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2103  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte
2104  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2105  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2106  *      this
2107  * @return the actual size of the IE data (not including header), or 0 on error
2108  */
2109 static inline u8
2110 ieee80211_he_spr_size(const u8 *he_spr_ie)
2111 {
2112         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2113         u8 spr_len = sizeof(struct ieee80211_he_spr);
2114         u8 he_spr_params;
2115 
2116         /* Make sure the input is not NULL */
2117         if (!he_spr_ie)
2118                 return 0;
2119 
2120         /* Calc required length */
2121         he_spr_params = he_spr->he_sr_control;
2122         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2123                 spr_len++;
2124         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2125                 spr_len += 18;
2126 
2127         /* Add the first byte (extension ID) to the total length */
2128         spr_len++;
2129 
2130         return spr_len;
2131 }
2132 
2133 /* Authentication algorithms */
2134 #define WLAN_AUTH_OPEN 0
2135 #define WLAN_AUTH_SHARED_KEY 1
2136 #define WLAN_AUTH_FT 2
2137 #define WLAN_AUTH_SAE 3
2138 #define WLAN_AUTH_FILS_SK 4
2139 #define WLAN_AUTH_FILS_SK_PFS 5
2140 #define WLAN_AUTH_FILS_PK 6
2141 #define WLAN_AUTH_LEAP 128
2142 
2143 #define WLAN_AUTH_CHALLENGE_LEN 128
2144 
2145 #define WLAN_CAPABILITY_ESS             (1<<0)
2146 #define WLAN_CAPABILITY_IBSS            (1<<1)
2147 
2148 /*
2149  * A mesh STA sets the ESS and IBSS capability bits to zero.
2150  * however, this holds true for p2p probe responses (in the p2p_find
2151  * phase) as well.
2152  */
2153 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2154         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2155 
2156 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2157 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2158 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2159 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2160 #define WLAN_CAPABILITY_PBCC            (1<<6)
2161 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2162 
2163 /* 802.11h */
2164 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2165 #define WLAN_CAPABILITY_QOS             (1<<9)
2166 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2167 #define WLAN_CAPABILITY_APSD            (1<<11)
2168 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2169 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2170 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2171 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2172 
2173 /* DMG (60gHz) 802.11ad */
2174 /* type - bits 0..1 */
2175 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2176 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2177 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2178 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2179 
2180 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2181 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2182 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2183 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2184 
2185 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2186 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2187 
2188 /* measurement */
2189 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2190 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2191 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2192 
2193 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2194 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2195 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2196 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2197 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2198 
2199 /* 802.11g ERP information element */
2200 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2201 #define WLAN_ERP_USE_PROTECTION (1<<1)
2202 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2203 
2204 /* WLAN_ERP_BARKER_PREAMBLE values */
2205 enum {
2206         WLAN_ERP_PREAMBLE_SHORT = 0,
2207         WLAN_ERP_PREAMBLE_LONG = 1,
2208 };
2209 
2210 /* Band ID, 802.11ad #8.4.1.45 */
2211 enum {
2212         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2213         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2214         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2215         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2216         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2217         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2218 };
2219 
2220 /* Status codes */
2221 enum ieee80211_statuscode {
2222         WLAN_STATUS_SUCCESS = 0,
2223         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2224         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2225         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2226         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2227         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2228         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2229         WLAN_STATUS_CHALLENGE_FAIL = 15,
2230         WLAN_STATUS_AUTH_TIMEOUT = 16,
2231         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2232         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2233         /* 802.11b */
2234         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2235         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2236         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2237         /* 802.11h */
2238         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2239         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2240         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2241         /* 802.11g */
2242         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2243         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2244         /* 802.11w */
2245         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2246         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2247         /* 802.11i */
2248         WLAN_STATUS_INVALID_IE = 40,
2249         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2250         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2251         WLAN_STATUS_INVALID_AKMP = 43,
2252         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2253         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2254         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2255         /* 802.11e */
2256         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2257         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2258         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2259         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2260         WLAN_STATUS_REQUEST_DECLINED = 37,
2261         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2262         WLAN_STATUS_CHANGE_TSPEC = 39,
2263         WLAN_STATUS_WAIT_TS_DELAY = 47,
2264         WLAN_STATUS_NO_DIRECT_LINK = 48,
2265         WLAN_STATUS_STA_NOT_PRESENT = 49,
2266         WLAN_STATUS_STA_NOT_QSTA = 50,
2267         /* 802.11s */
2268         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2269         WLAN_STATUS_FCG_NOT_SUPP = 78,
2270         WLAN_STATUS_STA_NO_TBTT = 78,
2271         /* 802.11ad */
2272         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2273         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2274         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2275         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2276         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2277         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2278         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2279         WLAN_STATUS_REJECT_DSE_BAND = 96,
2280         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2281         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2282         /* 802.11ai */
2283         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2284         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2285 };
2286 
2287 
2288 /* Reason codes */
2289 enum ieee80211_reasoncode {
2290         WLAN_REASON_UNSPECIFIED = 1,
2291         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2292         WLAN_REASON_DEAUTH_LEAVING = 3,
2293         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2294         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2295         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2296         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2297         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2298         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2299         /* 802.11h */
2300         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2301         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2302         /* 802.11i */
2303         WLAN_REASON_INVALID_IE = 13,
2304         WLAN_REASON_MIC_FAILURE = 14,
2305         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2306         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2307         WLAN_REASON_IE_DIFFERENT = 17,
2308         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2309         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2310         WLAN_REASON_INVALID_AKMP = 20,
2311         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2312         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2313         WLAN_REASON_IEEE8021X_FAILED = 23,
2314         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2315         /* TDLS (802.11z) */
2316         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2317         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2318         /* 802.11e */
2319         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2320         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2321         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2322         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2323         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2324         WLAN_REASON_QSTA_NOT_USE = 37,
2325         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2326         WLAN_REASON_QSTA_TIMEOUT = 39,
2327         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2328         /* 802.11s */
2329         WLAN_REASON_MESH_PEER_CANCELED = 52,
2330         WLAN_REASON_MESH_MAX_PEERS = 53,
2331         WLAN_REASON_MESH_CONFIG = 54,
2332         WLAN_REASON_MESH_CLOSE = 55,
2333         WLAN_REASON_MESH_MAX_RETRIES = 56,
2334         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2335         WLAN_REASON_MESH_INVALID_GTK = 58,
2336         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2337         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2338         WLAN_REASON_MESH_PATH_ERROR = 61,
2339         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2340         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2341         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2342         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2343         WLAN_REASON_MESH_CHAN = 66,
2344 };
2345 
2346 
2347 /* Information Element IDs */
2348 enum ieee80211_eid {
2349         WLAN_EID_SSID = 0,
2350         WLAN_EID_SUPP_RATES = 1,
2351         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2352         WLAN_EID_DS_PARAMS = 3,
2353         WLAN_EID_CF_PARAMS = 4,
2354         WLAN_EID_TIM = 5,
2355         WLAN_EID_IBSS_PARAMS = 6,
2356         WLAN_EID_COUNTRY = 7,
2357         /* 8, 9 reserved */
2358         WLAN_EID_REQUEST = 10,
2359         WLAN_EID_QBSS_LOAD = 11,
2360         WLAN_EID_EDCA_PARAM_SET = 12,
2361         WLAN_EID_TSPEC = 13,
2362         WLAN_EID_TCLAS = 14,
2363         WLAN_EID_SCHEDULE = 15,
2364         WLAN_EID_CHALLENGE = 16,
2365         /* 17-31 reserved for challenge text extension */
2366         WLAN_EID_PWR_CONSTRAINT = 32,
2367         WLAN_EID_PWR_CAPABILITY = 33,
2368         WLAN_EID_TPC_REQUEST = 34,
2369         WLAN_EID_TPC_REPORT = 35,
2370         WLAN_EID_SUPPORTED_CHANNELS = 36,
2371         WLAN_EID_CHANNEL_SWITCH = 37,
2372         WLAN_EID_MEASURE_REQUEST = 38,
2373         WLAN_EID_MEASURE_REPORT = 39,
2374         WLAN_EID_QUIET = 40,
2375         WLAN_EID_IBSS_DFS = 41,
2376         WLAN_EID_ERP_INFO = 42,
2377         WLAN_EID_TS_DELAY = 43,
2378         WLAN_EID_TCLAS_PROCESSING = 44,
2379         WLAN_EID_HT_CAPABILITY = 45,
2380         WLAN_EID_QOS_CAPA = 46,
2381         /* 47 reserved for Broadcom */
2382         WLAN_EID_RSN = 48,
2383         WLAN_EID_802_15_COEX = 49,
2384         WLAN_EID_EXT_SUPP_RATES = 50,
2385         WLAN_EID_AP_CHAN_REPORT = 51,
2386         WLAN_EID_NEIGHBOR_REPORT = 52,
2387         WLAN_EID_RCPI = 53,
2388         WLAN_EID_MOBILITY_DOMAIN = 54,
2389         WLAN_EID_FAST_BSS_TRANSITION = 55,
2390         WLAN_EID_TIMEOUT_INTERVAL = 56,
2391         WLAN_EID_RIC_DATA = 57,
2392         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2393         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2394         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2395         WLAN_EID_HT_OPERATION = 61,
2396         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2397         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2398         WLAN_EID_ANTENNA_INFO = 64,
2399         WLAN_EID_RSNI = 65,
2400         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2401         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2402         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2403         WLAN_EID_TIME_ADVERTISEMENT = 69,
2404         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2405         WLAN_EID_MULTIPLE_BSSID = 71,
2406         WLAN_EID_BSS_COEX_2040 = 72,
2407         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2408         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2409         WLAN_EID_RIC_DESCRIPTOR = 75,
2410         WLAN_EID_MMIE = 76,
2411         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2412         WLAN_EID_EVENT_REQUEST = 78,
2413         WLAN_EID_EVENT_REPORT = 79,
2414         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2415         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2416         WLAN_EID_LOCATION_PARAMS = 82,
2417         WLAN_EID_NON_TX_BSSID_CAP =  83,
2418         WLAN_EID_SSID_LIST = 84,
2419         WLAN_EID_MULTI_BSSID_IDX = 85,
2420         WLAN_EID_FMS_DESCRIPTOR = 86,
2421         WLAN_EID_FMS_REQUEST = 87,
2422         WLAN_EID_FMS_RESPONSE = 88,
2423         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2424         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2425         WLAN_EID_TSF_REQUEST = 91,
2426         WLAN_EID_TSF_RESPOSNE = 92,
2427         WLAN_EID_WNM_SLEEP_MODE = 93,
2428         WLAN_EID_TIM_BCAST_REQ = 94,
2429         WLAN_EID_TIM_BCAST_RESP = 95,
2430         WLAN_EID_COLL_IF_REPORT = 96,
2431         WLAN_EID_CHANNEL_USAGE = 97,
2432         WLAN_EID_TIME_ZONE = 98,
2433         WLAN_EID_DMS_REQUEST = 99,
2434         WLAN_EID_DMS_RESPONSE = 100,
2435         WLAN_EID_LINK_ID = 101,
2436         WLAN_EID_WAKEUP_SCHEDUL = 102,
2437         /* 103 reserved */
2438         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2439         WLAN_EID_PTI_CONTROL = 105,
2440         WLAN_EID_PU_BUFFER_STATUS = 106,
2441         WLAN_EID_INTERWORKING = 107,
2442         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2443         WLAN_EID_EXPEDITED_BW_REQ = 109,
2444         WLAN_EID_QOS_MAP_SET = 110,
2445         WLAN_EID_ROAMING_CONSORTIUM = 111,
2446         WLAN_EID_EMERGENCY_ALERT = 112,
2447         WLAN_EID_MESH_CONFIG = 113,
2448         WLAN_EID_MESH_ID = 114,
2449         WLAN_EID_LINK_METRIC_REPORT = 115,
2450         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2451         WLAN_EID_PEER_MGMT = 117,
2452         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2453         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2454         WLAN_EID_BEACON_TIMING = 120,
2455         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2456         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2457         WLAN_EID_MCCAOP_ADVERT = 123,
2458         WLAN_EID_MCCAOP_TEARDOWN = 124,
2459         WLAN_EID_GANN = 125,
2460         WLAN_EID_RANN = 126,
2461         WLAN_EID_EXT_CAPABILITY = 127,
2462         /* 128, 129 reserved for Agere */
2463         WLAN_EID_PREQ = 130,
2464         WLAN_EID_PREP = 131,
2465         WLAN_EID_PERR = 132,
2466         /* 133-136 reserved for Cisco */
2467         WLAN_EID_PXU = 137,
2468         WLAN_EID_PXUC = 138,
2469         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2470         WLAN_EID_MIC = 140,
2471         WLAN_EID_DESTINATION_URI = 141,
2472         WLAN_EID_UAPSD_COEX = 142,
2473         WLAN_EID_WAKEUP_SCHEDULE = 143,
2474         WLAN_EID_EXT_SCHEDULE = 144,
2475         WLAN_EID_STA_AVAILABILITY = 145,
2476         WLAN_EID_DMG_TSPEC = 146,
2477         WLAN_EID_DMG_AT = 147,
2478         WLAN_EID_DMG_CAP = 148,
2479         /* 149 reserved for Cisco */
2480         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2481         WLAN_EID_DMG_OPERATION = 151,
2482         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2483         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2484         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2485         /* 155-156 reserved for Cisco */
2486         WLAN_EID_AWAKE_WINDOW = 157,
2487         WLAN_EID_MULTI_BAND = 158,
2488         WLAN_EID_ADDBA_EXT = 159,
2489         WLAN_EID_NEXT_PCP_LIST = 160,
2490         WLAN_EID_PCP_HANDOVER = 161,
2491         WLAN_EID_DMG_LINK_MARGIN = 162,
2492         WLAN_EID_SWITCHING_STREAM = 163,
2493         WLAN_EID_SESSION_TRANSITION = 164,
2494         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2495         WLAN_EID_CLUSTER_REPORT = 166,
2496         WLAN_EID_RELAY_CAP = 167,
2497         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2498         WLAN_EID_BEAM_LINK_MAINT = 169,
2499         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2500         WLAN_EID_U_PID = 171,
2501         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2502         /* 173 reserved for Symbol */
2503         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2504         WLAN_EID_QUIET_PERIOD_REQ = 175,
2505         /* 176 reserved for Symbol */
2506         WLAN_EID_QUIET_PERIOD_RESP = 177,
2507         /* 178-179 reserved for Symbol */
2508         /* 180 reserved for ISO/IEC 20011 */
2509         WLAN_EID_EPAC_POLICY = 182,
2510         WLAN_EID_CLISTER_TIME_OFF = 183,
2511         WLAN_EID_INTER_AC_PRIO = 184,
2512         WLAN_EID_SCS_DESCRIPTOR = 185,
2513         WLAN_EID_QLOAD_REPORT = 186,
2514         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2515         WLAN_EID_HL_STREAM_ID = 188,
2516         WLAN_EID_GCR_GROUP_ADDR = 189,
2517         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2518         WLAN_EID_VHT_CAPABILITY = 191,
2519         WLAN_EID_VHT_OPERATION = 192,
2520         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2521         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2522         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2523         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2524         WLAN_EID_AID = 197,
2525         WLAN_EID_QUIET_CHANNEL = 198,
2526         WLAN_EID_OPMODE_NOTIF = 199,
2527 
2528         WLAN_EID_VENDOR_SPECIFIC = 221,
2529         WLAN_EID_QOS_PARAMETER = 222,
2530         WLAN_EID_CAG_NUMBER = 237,
2531         WLAN_EID_AP_CSN = 239,
2532         WLAN_EID_FILS_INDICATION = 240,
2533         WLAN_EID_DILS = 241,
2534         WLAN_EID_FRAGMENT = 242,
2535         WLAN_EID_EXTENSION = 255
2536 };
2537 
2538 /* Element ID Extensions for Element ID 255 */
2539 enum ieee80211_eid_ext {
2540         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2541         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2542         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2543         WLAN_EID_EXT_FILS_SESSION = 4,
2544         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2545         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2546         WLAN_EID_EXT_KEY_DELIVERY = 7,
2547         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2548         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2549         WLAN_EID_EXT_FILS_NONCE = 13,
2550         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2551         WLAN_EID_EXT_HE_CAPABILITY = 35,
2552         WLAN_EID_EXT_HE_OPERATION = 36,
2553         WLAN_EID_EXT_UORA = 37,
2554         WLAN_EID_EXT_HE_MU_EDCA = 38,
2555         WLAN_EID_EXT_HE_SPR = 39,
2556         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2557         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2558         WLAN_EID_EXT_NON_INHERITANCE = 56,
2559 };
2560 
2561 /* Action category code */
2562 enum ieee80211_category {
2563         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2564         WLAN_CATEGORY_QOS = 1,
2565         WLAN_CATEGORY_DLS = 2,
2566         WLAN_CATEGORY_BACK = 3,
2567         WLAN_CATEGORY_PUBLIC = 4,
2568         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2569         WLAN_CATEGORY_HT = 7,
2570         WLAN_CATEGORY_SA_QUERY = 8,
2571         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2572         WLAN_CATEGORY_WNM = 10,
2573         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2574         WLAN_CATEGORY_TDLS = 12,
2575         WLAN_CATEGORY_MESH_ACTION = 13,
2576         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2577         WLAN_CATEGORY_SELF_PROTECTED = 15,
2578         WLAN_CATEGORY_DMG = 16,
2579         WLAN_CATEGORY_WMM = 17,
2580         WLAN_CATEGORY_FST = 18,
2581         WLAN_CATEGORY_UNPROT_DMG = 20,
2582         WLAN_CATEGORY_VHT = 21,
2583         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2584         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2585 };
2586 
2587 /* SPECTRUM_MGMT action code */
2588 enum ieee80211_spectrum_mgmt_actioncode {
2589         WLAN_ACTION_SPCT_MSR_REQ = 0,
2590         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2591         WLAN_ACTION_SPCT_TPC_REQ = 2,
2592         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2593         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2594 };
2595 
2596 /* HT action codes */
2597 enum ieee80211_ht_actioncode {
2598         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2599         WLAN_HT_ACTION_SMPS = 1,
2600         WLAN_HT_ACTION_PSMP = 2,
2601         WLAN_HT_ACTION_PCO_PHASE = 3,
2602         WLAN_HT_ACTION_CSI = 4,
2603         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2604         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2605         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2606 };
2607 
2608 /* VHT action codes */
2609 enum ieee80211_vht_actioncode {
2610         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2611         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2612         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2613 };
2614 
2615 /* Self Protected Action codes */
2616 enum ieee80211_self_protected_actioncode {
2617         WLAN_SP_RESERVED = 0,
2618         WLAN_SP_MESH_PEERING_OPEN = 1,
2619         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2620         WLAN_SP_MESH_PEERING_CLOSE = 3,
2621         WLAN_SP_MGK_INFORM = 4,
2622         WLAN_SP_MGK_ACK = 5,
2623 };
2624 
2625 /* Mesh action codes */
2626 enum ieee80211_mesh_actioncode {
2627         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2628         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2629         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2630         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2631         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2632         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2633         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2634         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2635         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2636         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2637         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2638 };
2639 
2640 /* Security key length */
2641 enum ieee80211_key_len {
2642         WLAN_KEY_LEN_WEP40 = 5,
2643         WLAN_KEY_LEN_WEP104 = 13,
2644         WLAN_KEY_LEN_CCMP = 16,
2645         WLAN_KEY_LEN_CCMP_256 = 32,
2646         WLAN_KEY_LEN_TKIP = 32,
2647         WLAN_KEY_LEN_AES_CMAC = 16,
2648         WLAN_KEY_LEN_SMS4 = 32,
2649         WLAN_KEY_LEN_GCMP = 16,
2650         WLAN_KEY_LEN_GCMP_256 = 32,
2651         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2652         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2653         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2654 };
2655 
2656 #define IEEE80211_WEP_IV_LEN            4
2657 #define IEEE80211_WEP_ICV_LEN           4
2658 #define IEEE80211_CCMP_HDR_LEN          8
2659 #define IEEE80211_CCMP_MIC_LEN          8
2660 #define IEEE80211_CCMP_PN_LEN           6
2661 #define IEEE80211_CCMP_256_HDR_LEN      8
2662 #define IEEE80211_CCMP_256_MIC_LEN      16
2663 #define IEEE80211_CCMP_256_PN_LEN       6
2664 #define IEEE80211_TKIP_IV_LEN           8
2665 #define IEEE80211_TKIP_ICV_LEN          4
2666 #define IEEE80211_CMAC_PN_LEN           6
2667 #define IEEE80211_GMAC_PN_LEN           6
2668 #define IEEE80211_GCMP_HDR_LEN          8
2669 #define IEEE80211_GCMP_MIC_LEN          16
2670 #define IEEE80211_GCMP_PN_LEN           6
2671 
2672 #define FILS_NONCE_LEN                  16
2673 #define FILS_MAX_KEK_LEN                64
2674 
2675 #define FILS_ERP_MAX_USERNAME_LEN       16
2676 #define FILS_ERP_MAX_REALM_LEN          253
2677 #define FILS_ERP_MAX_RRK_LEN            64
2678 
2679 #define PMK_MAX_LEN                     64
2680 #define SAE_PASSWORD_MAX_LEN            128
2681 
2682 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2683 enum ieee80211_pub_actioncode {
2684         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2685         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2686         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2687         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2688         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2689         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2690         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2691         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2692         WLAN_PUB_ACTION_DSE_PC = 8,
2693         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2694         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2695         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2696         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2697         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2698         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2699         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2700         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2701         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2702         WLAN_PUB_ACTION_QMF_POLICY = 18,
2703         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2704         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2705         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2706         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2707         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2708         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2709         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2710         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2711         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2712         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2713         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2714         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2715         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2716         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2717         WLAN_PUB_ACTION_FTM = 33,
2718         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2719 };
2720 
2721 /* TDLS action codes */
2722 enum ieee80211_tdls_actioncode {
2723         WLAN_TDLS_SETUP_REQUEST = 0,
2724         WLAN_TDLS_SETUP_RESPONSE = 1,
2725         WLAN_TDLS_SETUP_CONFIRM = 2,
2726         WLAN_TDLS_TEARDOWN = 3,
2727         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2728         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2729         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2730         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2731         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2732         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2733         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2734 };
2735 
2736 /* Extended Channel Switching capability to be set in the 1st byte of
2737  * the @WLAN_EID_EXT_CAPABILITY information element
2738  */
2739 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2740 
2741 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2742  * @WLAN_EID_EXT_CAPABILITY information element
2743  */
2744 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2745 
2746 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2747 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2748 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2749 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2750 
2751 /* Interworking capabilities are set in 7th bit of 4th byte of the
2752  * @WLAN_EID_EXT_CAPABILITY information element
2753  */
2754 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2755 
2756 /*
2757  * TDLS capabililites to be enabled in the 5th byte of the
2758  * @WLAN_EID_EXT_CAPABILITY information element
2759  */
2760 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2761 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2762 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2763 
2764 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2765 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2766 
2767 /* Defines the maximal number of MSDUs in an A-MSDU. */
2768 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2769 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2770 
2771 /*
2772  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2773  * information element
2774  */
2775 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2776 
2777 /* Defines support for TWT Requester and TWT Responder */
2778 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2779 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2780 
2781 /*
2782  * When set, indicates that the AP is able to tolerate 26-tone RU UL
2783  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2784  * 26-tone RU UL OFDMA transmissions as radar pulses).
2785  */
2786 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2787 
2788 /* Defines support for enhanced multi-bssid advertisement*/
2789 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2790 
2791 /* TDLS specific payload type in the LLC/SNAP header */
2792 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2793 
2794 /* BSS Coex IE information field bits */
2795 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2796 
2797 /**
2798  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2799  *
2800  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2801  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2802  *      that will be specified in a vendor specific information element
2803  */
2804 enum ieee80211_mesh_sync_method {
2805         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2806         IEEE80211_SYNC_METHOD_VENDOR = 255,
2807 };
2808 
2809 /**
2810  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2811  *
2812  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2813  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2814  *      be specified in a vendor specific information element
2815  */
2816 enum ieee80211_mesh_path_protocol {
2817         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2818         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2819 };
2820 
2821 /**
2822  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2823  *
2824  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2825  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2826  *      specified in a vendor specific information element
2827  */
2828 enum ieee80211_mesh_path_metric {
2829         IEEE80211_PATH_METRIC_AIRTIME = 1,
2830         IEEE80211_PATH_METRIC_VENDOR = 255,
2831 };
2832 
2833 /**
2834  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2835  *
2836  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2837  *
2838  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2839  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2840  *      this value
2841  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2842  *      the proactive PREQ with proactive PREP subfield set to 0
2843  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2844  *      supports the proactive PREQ with proactive PREP subfield set to 1
2845  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2846  *      the proactive RANN
2847  */
2848 enum ieee80211_root_mode_identifier {
2849         IEEE80211_ROOTMODE_NO_ROOT = 0,
2850         IEEE80211_ROOTMODE_ROOT = 1,
2851         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2852         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2853         IEEE80211_PROACTIVE_RANN = 4,
2854 };
2855 
2856 /*
2857  * IEEE 802.11-2007 7.3.2.9 Country information element
2858  *
2859  * Minimum length is 8 octets, ie len must be evenly
2860  * divisible by 2
2861  */
2862 
2863 /* Although the spec says 8 I'm seeing 6 in practice */
2864 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2865 
2866 /* The Country String field of the element shall be 3 octets in length */
2867 #define IEEE80211_COUNTRY_STRING_LEN    3
2868 
2869 /*
2870  * For regulatory extension stuff see IEEE 802.11-2007
2871  * Annex I (page 1141) and Annex J (page 1147). Also
2872  * review 7.3.2.9.
2873  *
2874  * When dot11RegulatoryClassesRequired is true and the
2875  * first_channel/reg_extension_id is >= 201 then the IE
2876  * compromises of the 'ext' struct represented below:
2877  *
2878  *  - Regulatory extension ID - when generating IE this just needs
2879  *    to be monotonically increasing for each triplet passed in
2880  *    the IE
2881  *  - Regulatory class - index into set of rules
2882  *  - Coverage class - index into air propagation time (Table 7-27),
2883  *    in microseconds, you can compute the air propagation time from
2884  *    the index by multiplying by 3, so index 10 yields a propagation
2885  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2886  *    yet. A value of 0 inicates air propagation of <= 1 us.
2887  *
2888  *  See also Table I.2 for Emission limit sets and table
2889  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2890  *  a reg_class to an emission limit set and behavior limit set.
2891  */
2892 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2893 
2894 /*
2895  *  Channels numbers in the IE must be monotonically increasing
2896  *  if dot11RegulatoryClassesRequired is not true.
2897  *
2898  *  If dot11RegulatoryClassesRequired is true consecutive
2899  *  subband triplets following a regulatory triplet shall
2900  *  have monotonically increasing first_channel number fields.
2901  *
2902  *  Channel numbers shall not overlap.
2903  *
2904  *  Note that max_power is signed.
2905  */
2906 struct ieee80211_country_ie_triplet {
2907         union {
2908                 struct {
2909                         u8 first_channel;
2910                         u8 num_channels;
2911                         s8 max_power;
2912                 } __packed chans;
2913                 struct {
2914                         u8 reg_extension_id;
2915                         u8 reg_class;
2916                         u8 coverage_class;
2917                 } __packed ext;
2918         };
2919 } __packed;
2920 
2921 enum ieee80211_timeout_interval_type {
2922         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2923         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2924         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2925 };
2926 
2927 /**
2928  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2929  * @type: type, see &enum ieee80211_timeout_interval_type
2930  * @value: timeout interval value
2931  */
2932 struct ieee80211_timeout_interval_ie {
2933         u8 type;
2934         __le32 value;
2935 } __packed;
2936 
2937 /**
2938  * enum ieee80211_idle_options - BSS idle options
2939  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2940  *      protected frame to the AP to reset the idle timer at the AP for
2941  *      the station.
2942  */
2943 enum ieee80211_idle_options {
2944         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2945 };
2946 
2947 /**
2948  * struct ieee80211_bss_max_idle_period_ie
2949  *
2950  * This structure refers to "BSS Max idle period element"
2951  *
2952  * @max_idle_period: indicates the time period during which a station can
2953  *      refrain from transmitting frames to its associated AP without being
2954  *      disassociated. In units of 1000 TUs.
2955  * @idle_options: indicates the options associated with the BSS idle capability
2956  *      as specified in &enum ieee80211_idle_options.
2957  */
2958 struct ieee80211_bss_max_idle_period_ie {
2959         __le16 max_idle_period;
2960         u8 idle_options;
2961 } __packed;
2962 
2963 /* BACK action code */
2964 enum ieee80211_back_actioncode {
2965         WLAN_ACTION_ADDBA_REQ = 0,
2966         WLAN_ACTION_ADDBA_RESP = 1,
2967         WLAN_ACTION_DELBA = 2,
2968 };
2969 
2970 /* BACK (block-ack) parties */
2971 enum ieee80211_back_parties {
2972         WLAN_BACK_RECIPIENT = 0,
2973         WLAN_BACK_INITIATOR = 1,
2974 };
2975 
2976 /* SA Query action */
2977 enum ieee80211_sa_query_action {
2978         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2979         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2980 };
2981 
2982 /**
2983  * struct ieee80211_bssid_index
2984  *
2985  * This structure refers to "Multiple BSSID-index element"
2986  *
2987  * @bssid_index: BSSID index
2988  * @dtim_period: optional, overrides transmitted BSS dtim period
2989  * @dtim_count: optional, overrides transmitted BSS dtim count
2990  */
2991 struct ieee80211_bssid_index {
2992         u8 bssid_index;
2993         u8 dtim_period;
2994         u8 dtim_count;
2995 };
2996 
2997 /**
2998  * struct ieee80211_multiple_bssid_configuration
2999  *
3000  * This structure refers to "Multiple BSSID Configuration element"
3001  *
3002  * @bssid_count: total number of active BSSIDs in the set
3003  * @profile_periodicity: the least number of beacon frames need to be received
3004  *      in order to discover all the nontransmitted BSSIDs in the set.
3005  */
3006 struct ieee80211_multiple_bssid_configuration {
3007         u8 bssid_count;
3008         u8 profile_periodicity;
3009 };
3010 
3011 #define SUITE(oui, id)  (((oui) << 8) | (id))
3012 
3013 /* cipher suite selectors */
3014 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3015 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3016 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3017 /* reserved:                            SUITE(0x000FAC, 3) */
3018 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3019 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3020 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3021 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3022 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3023 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3024 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3025 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3026 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3027 
3028 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3029 
3030 /* AKM suite selectors */
3031 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3032 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3033 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3034 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3035 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3036 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3037 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3038 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3039 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3040 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3041 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3042 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3043 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3044 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3045 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3046 
3047 #define WLAN_MAX_KEY_LEN                32
3048 
3049 #define WLAN_PMK_NAME_LEN               16
3050 #define WLAN_PMKID_LEN                  16
3051 #define WLAN_PMK_LEN_EAP_LEAP           16
3052 #define WLAN_PMK_LEN                    32
3053 #define WLAN_PMK_LEN_SUITE_B_192        48
3054 
3055 #define WLAN_OUI_WFA                    0x506f9a
3056 #define WLAN_OUI_TYPE_WFA_P2P           9
3057 #define WLAN_OUI_MICROSOFT              0x0050f2
3058 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3059 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3060 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3061 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3062 
3063 /*
3064  * WMM/802.11e Tspec Element
3065  */
3066 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3067 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3068 
3069 enum ieee80211_tspec_status_code {
3070         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3071         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3072 };
3073 
3074 struct ieee80211_tspec_ie {
3075         u8 element_id;
3076         u8 len;
3077         u8 oui[3];
3078         u8 oui_type;
3079         u8 oui_subtype;
3080         u8 version;
3081         __le16 tsinfo;
3082         u8 tsinfo_resvd;
3083         __le16 nominal_msdu;
3084         __le16 max_msdu;
3085         __le32 min_service_int;
3086         __le32 max_service_int;
3087         __le32 inactivity_int;
3088         __le32 suspension_int;
3089         __le32 service_start_time;
3090         __le32 min_data_rate;
3091         __le32 mean_data_rate;
3092         __le32 peak_data_rate;
3093         __le32 max_burst_size;
3094         __le32 delay_bound;
3095         __le32 min_phy_rate;
3096         __le16 sba;
3097         __le16 medium_time;
3098 } __packed;
3099 
3100 /**
3101  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3102  * @hdr: the frame
3103  *
3104  * The qos ctrl bytes come after the frame_control, duration, seq_num
3105  * and 3 or 4 addresses of length ETH_ALEN.
3106  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3107  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3108  */
3109 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3110 {
3111         if (ieee80211_has_a4(hdr->frame_control))
3112                 return (u8 *)hdr + 30;
3113         else
3114                 return (u8 *)hdr + 24;
3115 }
3116 
3117 /**
3118  * ieee80211_get_tid - get qos TID
3119  * @hdr: the frame
3120  */
3121 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3122 {
3123         u8 *qc = ieee80211_get_qos_ctl(hdr);
3124 
3125         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3126 }
3127 
3128 /**
3129  * ieee80211_get_SA - get pointer to SA
3130  * @hdr: the frame
3131  *
3132  * Given an 802.11 frame, this function returns the offset
3133  * to the source address (SA). It does not verify that the
3134  * header is long enough to contain the address, and the
3135  * header must be long enough to contain the frame control
3136  * field.
3137  */
3138 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3139 {
3140         if (ieee80211_has_a4(hdr->frame_control))
3141                 return hdr->addr4;
3142         if (ieee80211_has_fromds(hdr->frame_control))
3143                 return hdr->addr3;
3144         return hdr->addr2;
3145 }
3146 
3147 /**
3148  * ieee80211_get_DA - get pointer to DA
3149  * @hdr: the frame
3150  *
3151  * Given an 802.11 frame, this function returns the offset
3152  * to the destination address (DA). It does not verify that
3153  * the header is long enough to contain the address, and the
3154  * header must be long enough to contain the frame control
3155  * field.
3156  */
3157 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3158 {
3159         if (ieee80211_has_tods(hdr->frame_control))
3160                 return hdr->addr3;
3161         else
3162                 return hdr->addr1;
3163 }
3164 
3165 /**
3166  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3167  * @hdr: the frame (buffer must include at least the first octet of payload)
3168  */
3169 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3170 {
3171         if (ieee80211_is_disassoc(hdr->frame_control) ||
3172             ieee80211_is_deauth(hdr->frame_control))
3173                 return true;
3174 
3175         if (ieee80211_is_action(hdr->frame_control)) {
3176                 u8 *category;
3177 
3178                 /*
3179                  * Action frames, excluding Public Action frames, are Robust
3180                  * Management Frames. However, if we are looking at a Protected
3181                  * frame, skip the check since the data may be encrypted and
3182                  * the frame has already been found to be a Robust Management
3183                  * Frame (by the other end).
3184                  */
3185                 if (ieee80211_has_protected(hdr->frame_control))
3186                         return true;
3187                 category = ((u8 *) hdr) + 24;
3188                 return *category != WLAN_CATEGORY_PUBLIC &&
3189                         *category != WLAN_CATEGORY_HT &&
3190                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3191                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3192                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3193                         *category != WLAN_CATEGORY_VHT &&
3194                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3195         }
3196 
3197         return false;
3198 }
3199 
3200 /**
3201  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3202  * @skb: the skb containing the frame, length will be checked
3203  */
3204 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3205 {
3206         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3207                 return false;
3208         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3209 }
3210 
3211 /**
3212  * ieee80211_is_public_action - check if frame is a public action frame
3213  * @hdr: the frame
3214  * @len: length of the frame
3215  */
3216 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3217                                               size_t len)
3218 {
3219         struct ieee80211_mgmt *mgmt = (void *)hdr;
3220 
3221         if (len < IEEE80211_MIN_ACTION_SIZE)
3222                 return false;
3223         if (!ieee80211_is_action(hdr->frame_control))
3224                 return false;
3225         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3226 }
3227 
3228 /**
3229  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3230  * privacy action frame
3231  * @hdr: the frame
3232  */
3233 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3234 {
3235         struct ieee80211_mgmt *mgmt = (void *)hdr;
3236 
3237         if (!ieee80211_is_action(hdr->frame_control) ||
3238             !is_multicast_ether_addr(hdr->addr1))
3239                 return false;
3240 
3241         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3242                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3243 }
3244 
3245 /**
3246  * ieee80211_is_group_privacy_action - check if frame is a group addressed
3247  * privacy action frame
3248  * @skb: the skb containing the frame, length will be checked
3249  */
3250 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3251 {
3252         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3253                 return false;
3254         return _ieee80211_is_group_privacy_action((void *)skb->data);
3255 }
3256 
3257 /**
3258  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3259  * @tu: the TUs
3260  */
3261 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3262 {
3263         return 1024 * tu;
3264 }
3265 
3266 /**
3267  * ieee80211_check_tim - check if AID bit is set in TIM
3268  * @tim: the TIM IE
3269  * @tim_len: length of the TIM IE
3270  * @aid: the AID to look for
3271  */
3272 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3273                                        u8 tim_len, u16 aid)
3274 {
3275         u8 mask;
3276         u8 index, indexn1, indexn2;
3277 
3278         if (unlikely(!tim || tim_len < sizeof(*tim)))
3279                 return false;
3280 
3281         aid &= 0x3fff;
3282         index = aid / 8;
3283         mask  = 1 << (aid & 7);
3284 
3285         indexn1 = tim->bitmap_ctrl & 0xfe;
3286         indexn2 = tim_len + indexn1 - 4;
3287 
3288         if (index < indexn1 || index > indexn2)
3289                 return false;
3290 
3291         index -= indexn1;
3292 
3293         return !!(tim->virtual_map[index] & mask);
3294 }
3295 
3296 /**
3297  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3298  * @skb: the skb containing the frame, length will not be checked
3299  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3300  *
3301  * This function assumes the frame is a data frame, and that the network header
3302  * is in the correct place.
3303  */
3304 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3305 {
3306         if (!skb_is_nonlinear(skb) &&
3307             skb->len > (skb_network_offset(skb) + 2)) {
3308                 /* Point to where the indication of TDLS should start */
3309                 const u8 *tdls_data = skb_network_header(skb) - 2;
3310 
3311                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3312                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3313                     tdls_data[3] == WLAN_CATEGORY_TDLS)
3314                         return tdls_data[4];
3315         }
3316 
3317         return -1;
3318 }
3319 
3320 /* convert time units */
3321 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
3322 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
3323 
3324 /**
3325  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3326  * @skb: the skb containing the frame, length will be checked
3327  *
3328  * This function checks if it's either TPC report action frame or Link
3329  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3330  * and 8.5.7.5 accordingly.
3331  */
3332 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3333 {
3334         struct ieee80211_mgmt *mgmt = (void *)skb->data;
3335 
3336         if (!ieee80211_is_action(mgmt->frame_control))
3337                 return false;
3338 
3339         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3340                        sizeof(mgmt->u.action.u.tpc_report))
3341                 return false;
3342 
3343         /*
3344          * TPC report - check that:
3345          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3346          * spectrum management action = 3 (TPC/Link Measurement report)
3347          * TPC report EID = 35
3348          * TPC report element length = 2
3349          *
3350          * The spectrum management's tpc_report struct is used here both for
3351          * parsing tpc_report and radio measurement's link measurement report
3352          * frame, since the relevant part is identical in both frames.
3353          */
3354         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3355             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3356                 return false;
3357 
3358         /* both spectrum mgmt and link measurement have same action code */
3359         if (mgmt->u.action.u.tpc_report.action_code !=
3360             WLAN_ACTION_SPCT_TPC_RPRT)
3361                 return false;
3362 
3363         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3364             mgmt->u.action.u.tpc_report.tpc_elem_length !=
3365             sizeof(struct ieee80211_tpc_report_ie))
3366                 return false;
3367 
3368         return true;
3369 }
3370 
3371 struct element {
3372         u8 id;
3373         u8 datalen;
3374         u8 data[];
3375 } __packed;
3376 
3377 /* element iteration helpers */
3378 #define for_each_element(_elem, _data, _datalen)                        \
3379         for (_elem = (const struct element *)(_data);                   \
3380              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3381                 (int)sizeof(*_elem) &&                                  \
3382              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3383                 (int)sizeof(*_elem) + _elem->datalen;                   \
3384              _elem = (const struct element *)(_elem->data + _elem->datalen))
3385 
3386 #define for_each_element_id(element, _id, data, datalen)                \
3387         for_each_element(element, data, datalen)                        \
3388                 if (element->id == (_id))
3389 
3390 #define for_each_element_extid(element, extid, _data, _datalen)         \
3391         for_each_element(element, _data, _datalen)                      \
3392                 if (element->id == WLAN_EID_EXTENSION &&                \
3393                     element->datalen > 0 &&                             \
3394                     element->data[0] == (extid))
3395 
3396 #define for_each_subelement(sub, element)                               \
3397         for_each_element(sub, (element)->data, (element)->datalen)
3398 
3399 #define for_each_subelement_id(sub, id, element)                        \
3400         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3401 
3402 #define for_each_subelement_extid(sub, extid, element)                  \
3403         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3404 
3405 /**
3406  * for_each_element_completed - determine if element parsing consumed all data
3407  * @element: element pointer after for_each_element() or friends
3408  * @data: same data pointer as passed to for_each_element() or friends
3409  * @datalen: same data length as passed to for_each_element() or friends
3410  *
3411  * This function returns %true if all the data was parsed or considered
3412  * while walking the elements. Only use this if your for_each_element()
3413  * loop cannot be broken out of, otherwise it always returns %false.
3414  *
3415  * If some data was malformed, this returns %false since the last parsed
3416  * element will not fill the whole remaining data.
3417  */
3418 static inline bool for_each_element_completed(const struct element *element,
3419                                               const void *data, size_t datalen)
3420 {
3421         return (const u8 *)element == (const u8 *)data + datalen;
3422 }
3423 
3424 #endif /* LINUX_IEEE80211_H */
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root/include/linux/ieee80211.h

INCLUDED FROM

DEFINITIONS
