include/net/ieee80211_radiotap.h

   1 /*
   2  * Copyright (c) 2017           Intel Deutschland GmbH
   3  * Copyright (c) 2018           Intel Corporation
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #ifndef __RADIOTAP_H
  18 #define __RADIOTAP_H
  19
  20 #include <linux/kernel.h>
  21 #include <asm/unaligned.h>
  22
  23 /**
  24  * struct ieee82011_radiotap_header - base radiotap header
  25  */
  26 struct ieee80211_radiotap_header {
  27         /**
  28          * @it_version: radiotap version, always 0
  29          */
  30         uint8_t it_version;
  31
  32         /**
  33          * @it_pad: padding (or alignment)
  34          */
  35         uint8_t it_pad;
  36
  37         /**
  38          * @it_len: overall radiotap header length
  39          */
  40         __le16 it_len;
  41
  42         /**
  43          * @it_present: (first) present word
  44          */
  45         __le32 it_present;
  46 } __packed;
  47
  48 /* version is always 0 */
  49 #define PKTHDR_RADIOTAP_VERSION 0
  50
  51 /* see the radiotap website for the descriptions */
  52 enum ieee80211_radiotap_presence {
  53         IEEE80211_RADIOTAP_TSFT = 0,
  54         IEEE80211_RADIOTAP_FLAGS = 1,
  55         IEEE80211_RADIOTAP_RATE = 2,
  56         IEEE80211_RADIOTAP_CHANNEL = 3,
  57         IEEE80211_RADIOTAP_FHSS = 4,
  58         IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
  59         IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
  60         IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
  61         IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
  62         IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
  63         IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
  64         IEEE80211_RADIOTAP_ANTENNA = 11,
  65         IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
  66         IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
  67         IEEE80211_RADIOTAP_RX_FLAGS = 14,
  68         IEEE80211_RADIOTAP_TX_FLAGS = 15,
  69         IEEE80211_RADIOTAP_RTS_RETRIES = 16,
  70         IEEE80211_RADIOTAP_DATA_RETRIES = 17,
  71         /* 18 is XChannel, but it's not defined yet */
  72         IEEE80211_RADIOTAP_MCS = 19,
  73         IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
  74         IEEE80211_RADIOTAP_VHT = 21,
  75         IEEE80211_RADIOTAP_TIMESTAMP = 22,
  76         IEEE80211_RADIOTAP_HE = 23,
  77         IEEE80211_RADIOTAP_HE_MU = 24,
  78
  79         /* valid in every it_present bitmap, even vendor namespaces */
  80         IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
  81         IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
  82         IEEE80211_RADIOTAP_EXT = 31
  83 };
  84
  85 /* for IEEE80211_RADIOTAP_FLAGS */
  86 enum ieee80211_radiotap_flags {
  87         IEEE80211_RADIOTAP_F_CFP = 0x01,
  88         IEEE80211_RADIOTAP_F_SHORTPRE = 0x02,
  89         IEEE80211_RADIOTAP_F_WEP = 0x04,
  90         IEEE80211_RADIOTAP_F_FRAG = 0x08,
  91         IEEE80211_RADIOTAP_F_FCS = 0x10,
  92         IEEE80211_RADIOTAP_F_DATAPAD = 0x20,
  93         IEEE80211_RADIOTAP_F_BADFCS = 0x40,
  94 };
  95
  96 /* for IEEE80211_RADIOTAP_CHANNEL */
  97 enum ieee80211_radiotap_channel_flags {
  98         IEEE80211_CHAN_CCK = 0x0020,
  99         IEEE80211_CHAN_OFDM = 0x0040,
 100         IEEE80211_CHAN_2GHZ = 0x0080,
 101         IEEE80211_CHAN_5GHZ = 0x0100,
 102         IEEE80211_CHAN_DYN = 0x0400,
 103         IEEE80211_CHAN_HALF = 0x4000,
 104         IEEE80211_CHAN_QUARTER = 0x8000,
 105 };
 106
 107 /* for IEEE80211_RADIOTAP_RX_FLAGS */
 108 enum ieee80211_radiotap_rx_flags {
 109         IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002,
 110 };
 111
 112 /* for IEEE80211_RADIOTAP_TX_FLAGS */
 113 enum ieee80211_radiotap_tx_flags {
 114         IEEE80211_RADIOTAP_F_TX_FAIL = 0x0001,
 115         IEEE80211_RADIOTAP_F_TX_CTS = 0x0002,
 116         IEEE80211_RADIOTAP_F_TX_RTS = 0x0004,
 117         IEEE80211_RADIOTAP_F_TX_NOACK = 0x0008,
 118 };
 119
 120 /* for IEEE80211_RADIOTAP_MCS "have" flags */
 121 enum ieee80211_radiotap_mcs_have {
 122         IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01,
 123         IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02,
 124         IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04,
 125         IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08,
 126         IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10,
 127         IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20,
 128 };
 129
 130 enum ieee80211_radiotap_mcs_flags {
 131         IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
 132         IEEE80211_RADIOTAP_MCS_BW_20 = 0,
 133         IEEE80211_RADIOTAP_MCS_BW_40 = 1,
 134         IEEE80211_RADIOTAP_MCS_BW_20L = 2,
 135         IEEE80211_RADIOTAP_MCS_BW_20U = 3,
 136
 137         IEEE80211_RADIOTAP_MCS_SGI = 0x04,
 138         IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
 139         IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
 140         IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
 141         IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
 142         IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
 143         IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
 144         IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
 145 };
 146
 147 /* for IEEE80211_RADIOTAP_AMPDU_STATUS */
 148 enum ieee80211_radiotap_ampdu_flags {
 149         IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001,
 150         IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002,
 151         IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004,
 152         IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008,
 153         IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010,
 154         IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020,
 155         IEEE80211_RADIOTAP_AMPDU_EOF = 0x0040,
 156         IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN = 0x0080,
 157 };
 158
 159 /* for IEEE80211_RADIOTAP_VHT */
 160 enum ieee80211_radiotap_vht_known {
 161         IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
 162         IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
 163         IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
 164         IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS = 0x0008,
 165         IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM = 0x0010,
 166         IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED = 0x0020,
 167         IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH = 0x0040,
 168         IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID = 0x0080,
 169         IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID = 0x0100,
 170 };
 171
 172 enum ieee80211_radiotap_vht_flags {
 173         IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01,
 174         IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02,
 175         IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04,
 176         IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08,
 177         IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10,
 178         IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20,
 179 };
 180
 181 enum ieee80211_radiotap_vht_coding {
 182         IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01,
 183         IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02,
 184         IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04,
 185         IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08,
 186 };
 187
 188 /* for IEEE80211_RADIOTAP_TIMESTAMP */
 189 enum ieee80211_radiotap_timestamp_unit_spos {
 190         IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK = 0x000F,
 191         IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS = 0x0000,
 192         IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US = 0x0001,
 193         IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS = 0x0003,
 194         IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK = 0x00F0,
 195         IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU = 0x0000,
 196         IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ = 0x0010,
 197         IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU = 0x0020,
 198         IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU = 0x0030,
 199         IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN = 0x00F0,
 200 };
 201
 202 enum ieee80211_radiotap_timestamp_flags {
 203         IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
 204         IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
 205         IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
 206 };
 207
 208 struct ieee80211_radiotap_he {
 209         __le16 data1, data2, data3, data4, data5, data6;
 210 };
 211
 212 enum ieee80211_radiotap_he_bits {
 213         IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MASK         = 3,
 214         IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU           = 0,
 215         IEEE80211_RADIOTAP_HE_DATA1_FORMAT_EXT_SU       = 1,
 216         IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MU           = 2,
 217         IEEE80211_RADIOTAP_HE_DATA1_FORMAT_TRIG         = 3,
 218
 219         IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN     = 0x0004,
 220         IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN   = 0x0008,
 221         IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN         = 0x0010,
 222         IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN      = 0x0020,
 223         IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN      = 0x0040,
 224         IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN        = 0x0080,
 225         IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN  = 0x0100,
 226         IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN          = 0x0200,
 227         IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN    = 0x0400,
 228         IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN   = 0x0800,
 229         IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN   = 0x1000,
 230         IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN   = 0x2000,
 231         IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN   = 0x4000,
 232         IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN       = 0x8000,
 233
 234         IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN     = 0x0001,
 235         IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN            = 0x0002,
 236         IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN  = 0x0004,
 237         IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN   = 0x0008,
 238         IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN          = 0x0010,
 239         IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN   = 0x0020,
 240         IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN          = 0x0040,
 241         IEEE80211_RADIOTAP_HE_DATA2_MIDAMBLE_KNOWN      = 0x0080,
 242         IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET           = 0x3f00,
 243         IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN     = 0x4000,
 244         IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC       = 0x8000,
 245
 246         IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR           = 0x003f,
 247         IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE         = 0x0040,
 248         IEEE80211_RADIOTAP_HE_DATA3_UL_DL               = 0x0080,
 249         IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS            = 0x0f00,
 250         IEEE80211_RADIOTAP_HE_DATA3_DATA_DCM            = 0x1000,
 251         IEEE80211_RADIOTAP_HE_DATA3_CODING              = 0x2000,
 252         IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG        = 0x4000,
 253         IEEE80211_RADIOTAP_HE_DATA3_STBC                = 0x8000,
 254
 255         IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE    = 0x000f,
 256         IEEE80211_RADIOTAP_HE_DATA4_MU_STA_ID           = 0x7ff0,
 257         IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1      = 0x000f,
 258         IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2      = 0x00f0,
 259         IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3      = 0x0f00,
 260         IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4      = 0xf000,
 261
 262         IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC    = 0x000f,
 263                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ      = 0,
 264                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ      = 1,
 265                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ      = 2,
 266                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ     = 3,
 267                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_26T        = 4,
 268                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_52T        = 5,
 269                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_106T       = 6,
 270                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_242T       = 7,
 271                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_484T       = 8,
 272                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_996T       = 9,
 273                 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_2x996T     = 10,
 274
 275         IEEE80211_RADIOTAP_HE_DATA5_GI                  = 0x0030,
 276                 IEEE80211_RADIOTAP_HE_DATA5_GI_0_8                      = 0,
 277                 IEEE80211_RADIOTAP_HE_DATA5_GI_1_6                      = 1,
 278                 IEEE80211_RADIOTAP_HE_DATA5_GI_3_2                      = 2,
 279
 280         IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE            = 0x00c0,
 281                 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN            = 0,
 282                 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X                 = 1,
 283                 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X                 = 2,
 284                 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X                 = 3,
 285         IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS        = 0x0700,
 286         IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD         = 0x3000,
 287         IEEE80211_RADIOTAP_HE_DATA5_TXBF                = 0x4000,
 288         IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG         = 0x8000,
 289
 290         IEEE80211_RADIOTAP_HE_DATA6_NSTS                = 0x000f,
 291         IEEE80211_RADIOTAP_HE_DATA6_DOPPLER             = 0x0010,
 292         IEEE80211_RADIOTAP_HE_DATA6_TXOP                = 0x7f00,
 293         IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY      = 0x8000,
 294 };
 295
 296 struct ieee80211_radiotap_he_mu {
 297         __le16 flags1, flags2;
 298         u8 ru_ch1[4];
 299         u8 ru_ch2[4];
 300 };
 301
 302 enum ieee80211_radiotap_he_mu_bits {
 303         IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS               = 0x000f,
 304         IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN         = 0x0010,
 305         IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM               = 0x0020,
 306         IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN         = 0x0040,
 307         IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN    = 0x0080,
 308         IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN            = 0x0100,
 309         IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN            = 0x0200,
 310         IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN    = 0x1000,
 311         IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU          = 0x2000,
 312         IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN        = 0x4000,
 313         IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN  = 0x8000,
 314
 315         IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW        = 0x0003,
 316                 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_20MHZ  = 0x0000,
 317                 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_40MHZ  = 0x0001,
 318                 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_80MHZ  = 0x0002,
 319                 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_160MHZ = 0x0003,
 320         IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN  = 0x0004,
 321         IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP              = 0x0008,
 322         IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS        = 0x00f0,
 323         IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW      = 0x0300,
 324         IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN= 0x0400,
 325         IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU          = 0x0800,
 326 };
 327
 328 /**
 329  * ieee80211_get_radiotap_len - get radiotap header length
 330  */
 331 static inline u16 ieee80211_get_radiotap_len(const char *data)
 332 {
 333         struct ieee80211_radiotap_header *hdr = (void *)data;
 334
 335         return get_unaligned_le16(&hdr->it_len);
 336 }
 337
 338 #endif /* __RADIOTAP_H */