2 * Copyright (c) 2017 Intel Deutschland GmbH
3 * Copyright (c) 2018-2019 Intel Corporation
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.
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.
20 #include <linux/kernel.h>
21 #include <asm/unaligned.h>
24 * struct ieee82011_radiotap_header - base radiotap header
26 struct ieee80211_radiotap_header
{
28 * @it_version: radiotap version, always 0
33 * @it_pad: padding (or alignment)
38 * @it_len: overall radiotap header length
43 * @it_present: (first) present word
48 /* version is always 0 */
49 #define PKTHDR_RADIOTAP_VERSION 0
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 IEEE80211_RADIOTAP_ZERO_LEN_PSDU
= 26,
79 IEEE80211_RADIOTAP_LSIG
= 27,
81 /* valid in every it_present bitmap, even vendor namespaces */
82 IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE
= 29,
83 IEEE80211_RADIOTAP_VENDOR_NAMESPACE
= 30,
84 IEEE80211_RADIOTAP_EXT
= 31
87 /* for IEEE80211_RADIOTAP_FLAGS */
88 enum ieee80211_radiotap_flags
{
89 IEEE80211_RADIOTAP_F_CFP
= 0x01,
90 IEEE80211_RADIOTAP_F_SHORTPRE
= 0x02,
91 IEEE80211_RADIOTAP_F_WEP
= 0x04,
92 IEEE80211_RADIOTAP_F_FRAG
= 0x08,
93 IEEE80211_RADIOTAP_F_FCS
= 0x10,
94 IEEE80211_RADIOTAP_F_DATAPAD
= 0x20,
95 IEEE80211_RADIOTAP_F_BADFCS
= 0x40,
98 /* for IEEE80211_RADIOTAP_CHANNEL */
99 enum ieee80211_radiotap_channel_flags
{
100 IEEE80211_CHAN_CCK
= 0x0020,
101 IEEE80211_CHAN_OFDM
= 0x0040,
102 IEEE80211_CHAN_2GHZ
= 0x0080,
103 IEEE80211_CHAN_5GHZ
= 0x0100,
104 IEEE80211_CHAN_DYN
= 0x0400,
105 IEEE80211_CHAN_HALF
= 0x4000,
106 IEEE80211_CHAN_QUARTER
= 0x8000,
109 /* for IEEE80211_RADIOTAP_RX_FLAGS */
110 enum ieee80211_radiotap_rx_flags
{
111 IEEE80211_RADIOTAP_F_RX_BADPLCP
= 0x0002,
114 /* for IEEE80211_RADIOTAP_TX_FLAGS */
115 enum ieee80211_radiotap_tx_flags
{
116 IEEE80211_RADIOTAP_F_TX_FAIL
= 0x0001,
117 IEEE80211_RADIOTAP_F_TX_CTS
= 0x0002,
118 IEEE80211_RADIOTAP_F_TX_RTS
= 0x0004,
119 IEEE80211_RADIOTAP_F_TX_NOACK
= 0x0008,
120 IEEE80211_RADIOTAP_F_TX_NOSEQNO
= 0x0010,
121 IEEE80211_RADIOTAP_F_TX_ORDER
= 0x0020,
124 /* for IEEE80211_RADIOTAP_MCS "have" flags */
125 enum ieee80211_radiotap_mcs_have
{
126 IEEE80211_RADIOTAP_MCS_HAVE_BW
= 0x01,
127 IEEE80211_RADIOTAP_MCS_HAVE_MCS
= 0x02,
128 IEEE80211_RADIOTAP_MCS_HAVE_GI
= 0x04,
129 IEEE80211_RADIOTAP_MCS_HAVE_FMT
= 0x08,
130 IEEE80211_RADIOTAP_MCS_HAVE_FEC
= 0x10,
131 IEEE80211_RADIOTAP_MCS_HAVE_STBC
= 0x20,
134 enum ieee80211_radiotap_mcs_flags
{
135 IEEE80211_RADIOTAP_MCS_BW_MASK
= 0x03,
136 IEEE80211_RADIOTAP_MCS_BW_20
= 0,
137 IEEE80211_RADIOTAP_MCS_BW_40
= 1,
138 IEEE80211_RADIOTAP_MCS_BW_20L
= 2,
139 IEEE80211_RADIOTAP_MCS_BW_20U
= 3,
141 IEEE80211_RADIOTAP_MCS_SGI
= 0x04,
142 IEEE80211_RADIOTAP_MCS_FMT_GF
= 0x08,
143 IEEE80211_RADIOTAP_MCS_FEC_LDPC
= 0x10,
144 IEEE80211_RADIOTAP_MCS_STBC_MASK
= 0x60,
145 IEEE80211_RADIOTAP_MCS_STBC_1
= 1,
146 IEEE80211_RADIOTAP_MCS_STBC_2
= 2,
147 IEEE80211_RADIOTAP_MCS_STBC_3
= 3,
148 IEEE80211_RADIOTAP_MCS_STBC_SHIFT
= 5,
151 /* for IEEE80211_RADIOTAP_AMPDU_STATUS */
152 enum ieee80211_radiotap_ampdu_flags
{
153 IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN
= 0x0001,
154 IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN
= 0x0002,
155 IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN
= 0x0004,
156 IEEE80211_RADIOTAP_AMPDU_IS_LAST
= 0x0008,
157 IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR
= 0x0010,
158 IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN
= 0x0020,
159 IEEE80211_RADIOTAP_AMPDU_EOF
= 0x0040,
160 IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN
= 0x0080,
163 /* for IEEE80211_RADIOTAP_VHT */
164 enum ieee80211_radiotap_vht_known
{
165 IEEE80211_RADIOTAP_VHT_KNOWN_STBC
= 0x0001,
166 IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA
= 0x0002,
167 IEEE80211_RADIOTAP_VHT_KNOWN_GI
= 0x0004,
168 IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS
= 0x0008,
169 IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM
= 0x0010,
170 IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED
= 0x0020,
171 IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH
= 0x0040,
172 IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID
= 0x0080,
173 IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID
= 0x0100,
176 enum ieee80211_radiotap_vht_flags
{
177 IEEE80211_RADIOTAP_VHT_FLAG_STBC
= 0x01,
178 IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA
= 0x02,
179 IEEE80211_RADIOTAP_VHT_FLAG_SGI
= 0x04,
180 IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9
= 0x08,
181 IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM
= 0x10,
182 IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED
= 0x20,
185 enum ieee80211_radiotap_vht_coding
{
186 IEEE80211_RADIOTAP_CODING_LDPC_USER0
= 0x01,
187 IEEE80211_RADIOTAP_CODING_LDPC_USER1
= 0x02,
188 IEEE80211_RADIOTAP_CODING_LDPC_USER2
= 0x04,
189 IEEE80211_RADIOTAP_CODING_LDPC_USER3
= 0x08,
192 /* for IEEE80211_RADIOTAP_TIMESTAMP */
193 enum ieee80211_radiotap_timestamp_unit_spos
{
194 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK
= 0x000F,
195 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS
= 0x0000,
196 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US
= 0x0001,
197 IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS
= 0x0003,
198 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK
= 0x00F0,
199 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU
= 0x0000,
200 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ
= 0x0010,
201 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU
= 0x0020,
202 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU
= 0x0030,
203 IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN
= 0x00F0,
206 enum ieee80211_radiotap_timestamp_flags
{
207 IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT
= 0x00,
208 IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT
= 0x01,
209 IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY
= 0x02,
212 struct ieee80211_radiotap_he
{
213 __le16 data1
, data2
, data3
, data4
, data5
, data6
;
216 enum ieee80211_radiotap_he_bits
{
217 IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MASK
= 3,
218 IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU
= 0,
219 IEEE80211_RADIOTAP_HE_DATA1_FORMAT_EXT_SU
= 1,
220 IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MU
= 2,
221 IEEE80211_RADIOTAP_HE_DATA1_FORMAT_TRIG
= 3,
223 IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN
= 0x0004,
224 IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN
= 0x0008,
225 IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN
= 0x0010,
226 IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN
= 0x0020,
227 IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN
= 0x0040,
228 IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN
= 0x0080,
229 IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN
= 0x0100,
230 IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN
= 0x0200,
231 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN
= 0x0400,
232 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN
= 0x0800,
233 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN
= 0x1000,
234 IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN
= 0x2000,
235 IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN
= 0x4000,
236 IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN
= 0x8000,
238 IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN
= 0x0001,
239 IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN
= 0x0002,
240 IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN
= 0x0004,
241 IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN
= 0x0008,
242 IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN
= 0x0010,
243 IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN
= 0x0020,
244 IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN
= 0x0040,
245 IEEE80211_RADIOTAP_HE_DATA2_MIDAMBLE_KNOWN
= 0x0080,
246 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET
= 0x3f00,
247 IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN
= 0x4000,
248 IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC
= 0x8000,
250 IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR
= 0x003f,
251 IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE
= 0x0040,
252 IEEE80211_RADIOTAP_HE_DATA3_UL_DL
= 0x0080,
253 IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS
= 0x0f00,
254 IEEE80211_RADIOTAP_HE_DATA3_DATA_DCM
= 0x1000,
255 IEEE80211_RADIOTAP_HE_DATA3_CODING
= 0x2000,
256 IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG
= 0x4000,
257 IEEE80211_RADIOTAP_HE_DATA3_STBC
= 0x8000,
259 IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE
= 0x000f,
260 IEEE80211_RADIOTAP_HE_DATA4_MU_STA_ID
= 0x7ff0,
261 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1
= 0x000f,
262 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2
= 0x00f0,
263 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3
= 0x0f00,
264 IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4
= 0xf000,
266 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC
= 0x000f,
267 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ
= 0,
268 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ
= 1,
269 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ
= 2,
270 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ
= 3,
271 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_26T
= 4,
272 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_52T
= 5,
273 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_106T
= 6,
274 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_242T
= 7,
275 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_484T
= 8,
276 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_996T
= 9,
277 IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_2x996T
= 10,
279 IEEE80211_RADIOTAP_HE_DATA5_GI
= 0x0030,
280 IEEE80211_RADIOTAP_HE_DATA5_GI_0_8
= 0,
281 IEEE80211_RADIOTAP_HE_DATA5_GI_1_6
= 1,
282 IEEE80211_RADIOTAP_HE_DATA5_GI_3_2
= 2,
284 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE
= 0x00c0,
285 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN
= 0,
286 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X
= 1,
287 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X
= 2,
288 IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X
= 3,
289 IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS
= 0x0700,
290 IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD
= 0x3000,
291 IEEE80211_RADIOTAP_HE_DATA5_TXBF
= 0x4000,
292 IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG
= 0x8000,
294 IEEE80211_RADIOTAP_HE_DATA6_NSTS
= 0x000f,
295 IEEE80211_RADIOTAP_HE_DATA6_DOPPLER
= 0x0010,
296 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN
= 0x0020,
297 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW
= 0x00c0,
298 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_20MHZ
= 0,
299 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_40MHZ
= 1,
300 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_80MHZ
= 2,
301 IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_160MHZ
= 3,
302 IEEE80211_RADIOTAP_HE_DATA6_TXOP
= 0x7f00,
303 IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY
= 0x8000,
306 struct ieee80211_radiotap_he_mu
{
307 __le16 flags1
, flags2
;
312 enum ieee80211_radiotap_he_mu_bits
{
313 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS
= 0x000f,
314 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN
= 0x0010,
315 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM
= 0x0020,
316 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN
= 0x0040,
317 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN
= 0x0080,
318 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN
= 0x0100,
319 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN
= 0x0200,
320 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN
= 0x1000,
321 IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU
= 0x2000,
322 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN
= 0x4000,
323 IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN
= 0x8000,
325 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW
= 0x0003,
326 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_20MHZ
= 0x0000,
327 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_40MHZ
= 0x0001,
328 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_80MHZ
= 0x0002,
329 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_160MHZ
= 0x0003,
330 IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN
= 0x0004,
331 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP
= 0x0008,
332 IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS
= 0x00f0,
333 IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW
= 0x0300,
334 IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN
= 0x0400,
335 IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU
= 0x0800,
338 enum ieee80211_radiotap_lsig_data1
{
339 IEEE80211_RADIOTAP_LSIG_DATA1_RATE_KNOWN
= 0x0001,
340 IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN
= 0x0002,
343 enum ieee80211_radiotap_lsig_data2
{
344 IEEE80211_RADIOTAP_LSIG_DATA2_RATE
= 0x000f,
345 IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH
= 0xfff0,
348 struct ieee80211_radiotap_lsig
{
352 enum ieee80211_radiotap_zero_len_psdu_type
{
353 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING
= 0,
354 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED
= 1,
355 IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR
= 0xff,
359 * ieee80211_get_radiotap_len - get radiotap header length
361 static inline u16
ieee80211_get_radiotap_len(const char *data
)
363 struct ieee80211_radiotap_header
*hdr
= (void *)data
;
365 return get_unaligned_le16(&hdr
->it_len
);
368 #endif /* __RADIOTAP_H */