1 /*
2  * Copyright (c) 2017		Intel Deutschland GmbH
3  * Copyright (c) 2018-2019, 2021 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 
47 	/**
48 	 * @it_optional: all remaining presence bitmaps
49 	 */
50 	__le32 it_optional[];
51 } __packed;
52 
53 /* version is always 0 */
54 #define PKTHDR_RADIOTAP_VERSION	0
55 
56 /* see the radiotap website for the descriptions */
57 enum ieee80211_radiotap_presence {
58 	IEEE80211_RADIOTAP_TSFT = 0,
59 	IEEE80211_RADIOTAP_FLAGS = 1,
60 	IEEE80211_RADIOTAP_RATE = 2,
61 	IEEE80211_RADIOTAP_CHANNEL = 3,
62 	IEEE80211_RADIOTAP_FHSS = 4,
63 	IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
64 	IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
65 	IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
66 	IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
67 	IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
68 	IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
69 	IEEE80211_RADIOTAP_ANTENNA = 11,
70 	IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
71 	IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
72 	IEEE80211_RADIOTAP_RX_FLAGS = 14,
73 	IEEE80211_RADIOTAP_TX_FLAGS = 15,
74 	IEEE80211_RADIOTAP_RTS_RETRIES = 16,
75 	IEEE80211_RADIOTAP_DATA_RETRIES = 17,
76 	/* 18 is XChannel, but it's not defined yet */
77 	IEEE80211_RADIOTAP_MCS = 19,
78 	IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
79 	IEEE80211_RADIOTAP_VHT = 21,
80 	IEEE80211_RADIOTAP_TIMESTAMP = 22,
81 	IEEE80211_RADIOTAP_HE = 23,
82 	IEEE80211_RADIOTAP_HE_MU = 24,
83 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU = 26,
84 	IEEE80211_RADIOTAP_LSIG = 27,
85 
86 	/* valid in every it_present bitmap, even vendor namespaces */
87 	IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
88 	IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
89 	IEEE80211_RADIOTAP_EXT = 31
90 };
91 
92 /* for IEEE80211_RADIOTAP_FLAGS */
93 enum ieee80211_radiotap_flags {
94 	IEEE80211_RADIOTAP_F_CFP = 0x01,
95 	IEEE80211_RADIOTAP_F_SHORTPRE = 0x02,
96 	IEEE80211_RADIOTAP_F_WEP = 0x04,
97 	IEEE80211_RADIOTAP_F_FRAG = 0x08,
98 	IEEE80211_RADIOTAP_F_FCS = 0x10,
99 	IEEE80211_RADIOTAP_F_DATAPAD = 0x20,
100 	IEEE80211_RADIOTAP_F_BADFCS = 0x40,
101 };
102 
103 /* for IEEE80211_RADIOTAP_CHANNEL */
104 enum ieee80211_radiotap_channel_flags {
105 	IEEE80211_CHAN_CCK = 0x0020,
106 	IEEE80211_CHAN_OFDM = 0x0040,
107 	IEEE80211_CHAN_2GHZ = 0x0080,
108 	IEEE80211_CHAN_5GHZ = 0x0100,
109 	IEEE80211_CHAN_DYN = 0x0400,
110 	IEEE80211_CHAN_HALF = 0x4000,
111 	IEEE80211_CHAN_QUARTER = 0x8000,
112 };
113 
114 /* for IEEE80211_RADIOTAP_RX_FLAGS */
115 enum ieee80211_radiotap_rx_flags {
116 	IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002,
117 };
118 
119 /* for IEEE80211_RADIOTAP_TX_FLAGS */
120 enum ieee80211_radiotap_tx_flags {
121 	IEEE80211_RADIOTAP_F_TX_FAIL = 0x0001,
122 	IEEE80211_RADIOTAP_F_TX_CTS = 0x0002,
123 	IEEE80211_RADIOTAP_F_TX_RTS = 0x0004,
124 	IEEE80211_RADIOTAP_F_TX_NOACK = 0x0008,
125 	IEEE80211_RADIOTAP_F_TX_NOSEQNO = 0x0010,
126 	IEEE80211_RADIOTAP_F_TX_ORDER = 0x0020,
127 };
128 
129 /* for IEEE80211_RADIOTAP_MCS "have" flags */
130 enum ieee80211_radiotap_mcs_have {
131 	IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01,
132 	IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02,
133 	IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04,
134 	IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08,
135 	IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10,
136 	IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20,
137 };
138 
139 enum ieee80211_radiotap_mcs_flags {
140 	IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
141 	IEEE80211_RADIOTAP_MCS_BW_20 = 0,
142 	IEEE80211_RADIOTAP_MCS_BW_40 = 1,
143 	IEEE80211_RADIOTAP_MCS_BW_20L = 2,
144 	IEEE80211_RADIOTAP_MCS_BW_20U = 3,
145 
146 	IEEE80211_RADIOTAP_MCS_SGI = 0x04,
147 	IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
148 	IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
149 	IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
150 	IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
151 	IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
152 	IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
153 	IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
154 };
155 
156 /* for IEEE80211_RADIOTAP_AMPDU_STATUS */
157 enum ieee80211_radiotap_ampdu_flags {
158 	IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001,
159 	IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002,
160 	IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004,
161 	IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008,
162 	IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010,
163 	IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020,
164 	IEEE80211_RADIOTAP_AMPDU_EOF = 0x0040,
165 	IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN = 0x0080,
166 };
167 
168 /* for IEEE80211_RADIOTAP_VHT */
169 enum ieee80211_radiotap_vht_known {
170 	IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
171 	IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
172 	IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
173 	IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS = 0x0008,
174 	IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM = 0x0010,
175 	IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED = 0x0020,
176 	IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH = 0x0040,
177 	IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID = 0x0080,
178 	IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID = 0x0100,
179 };
180 
181 enum ieee80211_radiotap_vht_flags {
182 	IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01,
183 	IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02,
184 	IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04,
185 	IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08,
186 	IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10,
187 	IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20,
188 };
189 
190 enum ieee80211_radiotap_vht_coding {
191 	IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01,
192 	IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02,
193 	IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04,
194 	IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08,
195 };
196 
197 /* for IEEE80211_RADIOTAP_TIMESTAMP */
198 enum ieee80211_radiotap_timestamp_unit_spos {
199 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK = 0x000F,
200 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS = 0x0000,
201 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US = 0x0001,
202 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS = 0x0003,
203 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK = 0x00F0,
204 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU = 0x0000,
205 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ = 0x0010,
206 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU = 0x0020,
207 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU = 0x0030,
208 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN = 0x00F0,
209 };
210 
211 enum ieee80211_radiotap_timestamp_flags {
212 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
213 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
214 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
215 };
216 
217 struct ieee80211_radiotap_he {
218 	__le16 data1, data2, data3, data4, data5, data6;
219 };
220 
221 enum ieee80211_radiotap_he_bits {
222 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MASK		= 3,
223 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU		= 0,
224 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_EXT_SU	= 1,
225 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MU		= 2,
226 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_TRIG		= 3,
227 
228 	IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN	= 0x0004,
229 	IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN	= 0x0008,
230 	IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN		= 0x0010,
231 	IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN	= 0x0020,
232 	IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN	= 0x0040,
233 	IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN	= 0x0080,
234 	IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN	= 0x0100,
235 	IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN		= 0x0200,
236 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN	= 0x0400,
237 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN	= 0x0800,
238 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN	= 0x1000,
239 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN	= 0x2000,
240 	IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN	= 0x4000,
241 	IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN	= 0x8000,
242 
243 	IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN	= 0x0001,
244 	IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN		= 0x0002,
245 	IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN	= 0x0004,
246 	IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN	= 0x0008,
247 	IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN		= 0x0010,
248 	IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN	= 0x0020,
249 	IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN		= 0x0040,
250 	IEEE80211_RADIOTAP_HE_DATA2_MIDAMBLE_KNOWN	= 0x0080,
251 	IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET		= 0x3f00,
252 	IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN	= 0x4000,
253 	IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC	= 0x8000,
254 
255 	IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR		= 0x003f,
256 	IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE		= 0x0040,
257 	IEEE80211_RADIOTAP_HE_DATA3_UL_DL		= 0x0080,
258 	IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS		= 0x0f00,
259 	IEEE80211_RADIOTAP_HE_DATA3_DATA_DCM		= 0x1000,
260 	IEEE80211_RADIOTAP_HE_DATA3_CODING		= 0x2000,
261 	IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG	= 0x4000,
262 	IEEE80211_RADIOTAP_HE_DATA3_STBC		= 0x8000,
263 
264 	IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE	= 0x000f,
265 	IEEE80211_RADIOTAP_HE_DATA4_MU_STA_ID		= 0x7ff0,
266 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1	= 0x000f,
267 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2	= 0x00f0,
268 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3	= 0x0f00,
269 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4	= 0xf000,
270 
271 	IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC	= 0x000f,
272 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ	= 0,
273 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ	= 1,
274 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ	= 2,
275 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ	= 3,
276 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_26T	= 4,
277 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_52T	= 5,
278 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_106T	= 6,
279 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_242T	= 7,
280 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_484T	= 8,
281 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_996T	= 9,
282 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_2x996T	= 10,
283 
284 	IEEE80211_RADIOTAP_HE_DATA5_GI			= 0x0030,
285 		IEEE80211_RADIOTAP_HE_DATA5_GI_0_8			= 0,
286 		IEEE80211_RADIOTAP_HE_DATA5_GI_1_6			= 1,
287 		IEEE80211_RADIOTAP_HE_DATA5_GI_3_2			= 2,
288 
289 	IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE		= 0x00c0,
290 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN		= 0,
291 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X			= 1,
292 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X			= 2,
293 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X			= 3,
294 	IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS	= 0x0700,
295 	IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD		= 0x3000,
296 	IEEE80211_RADIOTAP_HE_DATA5_TXBF		= 0x4000,
297 	IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG		= 0x8000,
298 
299 	IEEE80211_RADIOTAP_HE_DATA6_NSTS		= 0x000f,
300 	IEEE80211_RADIOTAP_HE_DATA6_DOPPLER		= 0x0010,
301 	IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN	= 0x0020,
302 	IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW		= 0x00c0,
303 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_20MHZ	= 0,
304 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_40MHZ	= 1,
305 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_80MHZ	= 2,
306 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_160MHZ	= 3,
307 	IEEE80211_RADIOTAP_HE_DATA6_TXOP		= 0x7f00,
308 	IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY	= 0x8000,
309 };
310 
311 struct ieee80211_radiotap_he_mu {
312 	__le16 flags1, flags2;
313 	u8 ru_ch1[4];
314 	u8 ru_ch2[4];
315 };
316 
317 enum ieee80211_radiotap_he_mu_bits {
318 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS		= 0x000f,
319 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN		= 0x0010,
320 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM		= 0x0020,
321 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN		= 0x0040,
322 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN	= 0x0080,
323 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN		= 0x0100,
324 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN		= 0x0200,
325 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN	= 0x1000,
326 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU		= 0x2000,
327 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN	= 0x4000,
328 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN	= 0x8000,
329 
330 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW	= 0x0003,
331 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_20MHZ	= 0x0000,
332 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_40MHZ	= 0x0001,
333 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_80MHZ	= 0x0002,
334 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_160MHZ	= 0x0003,
335 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN	= 0x0004,
336 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP		= 0x0008,
337 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS	= 0x00f0,
338 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW	= 0x0300,
339 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN= 0x0400,
340 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU		= 0x0800,
341 };
342 
343 enum ieee80211_radiotap_lsig_data1 {
344 	IEEE80211_RADIOTAP_LSIG_DATA1_RATE_KNOWN		= 0x0001,
345 	IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN		= 0x0002,
346 };
347 
348 enum ieee80211_radiotap_lsig_data2 {
349 	IEEE80211_RADIOTAP_LSIG_DATA2_RATE			= 0x000f,
350 	IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH			= 0xfff0,
351 };
352 
353 struct ieee80211_radiotap_lsig {
354 	__le16 data1, data2;
355 };
356 
357 enum ieee80211_radiotap_zero_len_psdu_type {
358 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING		= 0,
359 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED		= 1,
360 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR			= 0xff,
361 };
362 
363 /**
364  * ieee80211_get_radiotap_len - get radiotap header length
365  */
ieee80211_get_radiotap_len(const char * data)366 static inline u16 ieee80211_get_radiotap_len(const char *data)
367 {
368 	const struct ieee80211_radiotap_header *hdr = (const void *)data;
369 
370 	return get_unaligned_le16(&hdr->it_len);
371 }
372 
373 #endif /* __RADIOTAP_H */
374