1 /*
2  * Copyright (c) 2017		Intel Deutschland GmbH
3  * Copyright (c) 2018-2019	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 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU = 26,
79 	IEEE80211_RADIOTAP_LSIG = 27,
80 
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
85 };
86 
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,
96 };
97 
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,
107 };
108 
109 /* for IEEE80211_RADIOTAP_RX_FLAGS */
110 enum ieee80211_radiotap_rx_flags {
111 	IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002,
112 };
113 
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 };
122 
123 /* for IEEE80211_RADIOTAP_MCS "have" flags */
124 enum ieee80211_radiotap_mcs_have {
125 	IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01,
126 	IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02,
127 	IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04,
128 	IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08,
129 	IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10,
130 	IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20,
131 };
132 
133 enum ieee80211_radiotap_mcs_flags {
134 	IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
135 	IEEE80211_RADIOTAP_MCS_BW_20 = 0,
136 	IEEE80211_RADIOTAP_MCS_BW_40 = 1,
137 	IEEE80211_RADIOTAP_MCS_BW_20L = 2,
138 	IEEE80211_RADIOTAP_MCS_BW_20U = 3,
139 
140 	IEEE80211_RADIOTAP_MCS_SGI = 0x04,
141 	IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
142 	IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
143 	IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
144 	IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
145 	IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
146 	IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
147 	IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
148 };
149 
150 /* for IEEE80211_RADIOTAP_AMPDU_STATUS */
151 enum ieee80211_radiotap_ampdu_flags {
152 	IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001,
153 	IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002,
154 	IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004,
155 	IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008,
156 	IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010,
157 	IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020,
158 	IEEE80211_RADIOTAP_AMPDU_EOF = 0x0040,
159 	IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN = 0x0080,
160 };
161 
162 /* for IEEE80211_RADIOTAP_VHT */
163 enum ieee80211_radiotap_vht_known {
164 	IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
165 	IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
166 	IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
167 	IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS = 0x0008,
168 	IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM = 0x0010,
169 	IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED = 0x0020,
170 	IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH = 0x0040,
171 	IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID = 0x0080,
172 	IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID = 0x0100,
173 };
174 
175 enum ieee80211_radiotap_vht_flags {
176 	IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01,
177 	IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02,
178 	IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04,
179 	IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08,
180 	IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10,
181 	IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20,
182 };
183 
184 enum ieee80211_radiotap_vht_coding {
185 	IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01,
186 	IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02,
187 	IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04,
188 	IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08,
189 };
190 
191 /* for IEEE80211_RADIOTAP_TIMESTAMP */
192 enum ieee80211_radiotap_timestamp_unit_spos {
193 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK = 0x000F,
194 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS = 0x0000,
195 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US = 0x0001,
196 	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS = 0x0003,
197 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK = 0x00F0,
198 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU = 0x0000,
199 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ = 0x0010,
200 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU = 0x0020,
201 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU = 0x0030,
202 	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN = 0x00F0,
203 };
204 
205 enum ieee80211_radiotap_timestamp_flags {
206 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
207 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
208 	IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
209 };
210 
211 struct ieee80211_radiotap_he {
212 	__le16 data1, data2, data3, data4, data5, data6;
213 };
214 
215 enum ieee80211_radiotap_he_bits {
216 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MASK		= 3,
217 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU		= 0,
218 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_EXT_SU	= 1,
219 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MU		= 2,
220 	IEEE80211_RADIOTAP_HE_DATA1_FORMAT_TRIG		= 3,
221 
222 	IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN	= 0x0004,
223 	IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN	= 0x0008,
224 	IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN		= 0x0010,
225 	IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN	= 0x0020,
226 	IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN	= 0x0040,
227 	IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN	= 0x0080,
228 	IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN	= 0x0100,
229 	IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN		= 0x0200,
230 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN	= 0x0400,
231 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN	= 0x0800,
232 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN	= 0x1000,
233 	IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN	= 0x2000,
234 	IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN	= 0x4000,
235 	IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN	= 0x8000,
236 
237 	IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN	= 0x0001,
238 	IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN		= 0x0002,
239 	IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN	= 0x0004,
240 	IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN	= 0x0008,
241 	IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN		= 0x0010,
242 	IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN	= 0x0020,
243 	IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN		= 0x0040,
244 	IEEE80211_RADIOTAP_HE_DATA2_MIDAMBLE_KNOWN	= 0x0080,
245 	IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET		= 0x3f00,
246 	IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN	= 0x4000,
247 	IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC	= 0x8000,
248 
249 	IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR		= 0x003f,
250 	IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE		= 0x0040,
251 	IEEE80211_RADIOTAP_HE_DATA3_UL_DL		= 0x0080,
252 	IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS		= 0x0f00,
253 	IEEE80211_RADIOTAP_HE_DATA3_DATA_DCM		= 0x1000,
254 	IEEE80211_RADIOTAP_HE_DATA3_CODING		= 0x2000,
255 	IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG	= 0x4000,
256 	IEEE80211_RADIOTAP_HE_DATA3_STBC		= 0x8000,
257 
258 	IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE	= 0x000f,
259 	IEEE80211_RADIOTAP_HE_DATA4_MU_STA_ID		= 0x7ff0,
260 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1	= 0x000f,
261 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2	= 0x00f0,
262 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3	= 0x0f00,
263 	IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4	= 0xf000,
264 
265 	IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC	= 0x000f,
266 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ	= 0,
267 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ	= 1,
268 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ	= 2,
269 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ	= 3,
270 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_26T	= 4,
271 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_52T	= 5,
272 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_106T	= 6,
273 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_242T	= 7,
274 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_484T	= 8,
275 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_996T	= 9,
276 		IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_2x996T	= 10,
277 
278 	IEEE80211_RADIOTAP_HE_DATA5_GI			= 0x0030,
279 		IEEE80211_RADIOTAP_HE_DATA5_GI_0_8			= 0,
280 		IEEE80211_RADIOTAP_HE_DATA5_GI_1_6			= 1,
281 		IEEE80211_RADIOTAP_HE_DATA5_GI_3_2			= 2,
282 
283 	IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE		= 0x00c0,
284 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN		= 0,
285 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X			= 1,
286 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X			= 2,
287 		IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X			= 3,
288 	IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS	= 0x0700,
289 	IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD		= 0x3000,
290 	IEEE80211_RADIOTAP_HE_DATA5_TXBF		= 0x4000,
291 	IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG		= 0x8000,
292 
293 	IEEE80211_RADIOTAP_HE_DATA6_NSTS		= 0x000f,
294 	IEEE80211_RADIOTAP_HE_DATA6_DOPPLER		= 0x0010,
295 	IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN	= 0x0020,
296 	IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW		= 0x00c0,
297 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_20MHZ	= 0,
298 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_40MHZ	= 1,
299 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_80MHZ	= 2,
300 		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_160MHZ	= 3,
301 	IEEE80211_RADIOTAP_HE_DATA6_TXOP		= 0x7f00,
302 	IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY	= 0x8000,
303 };
304 
305 struct ieee80211_radiotap_he_mu {
306 	__le16 flags1, flags2;
307 	u8 ru_ch1[4];
308 	u8 ru_ch2[4];
309 };
310 
311 enum ieee80211_radiotap_he_mu_bits {
312 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS		= 0x000f,
313 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN		= 0x0010,
314 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM		= 0x0020,
315 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN		= 0x0040,
316 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN	= 0x0080,
317 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN		= 0x0100,
318 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN		= 0x0200,
319 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN	= 0x1000,
320 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU		= 0x2000,
321 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN	= 0x4000,
322 	IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN	= 0x8000,
323 
324 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW	= 0x0003,
325 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_20MHZ	= 0x0000,
326 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_40MHZ	= 0x0001,
327 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_80MHZ	= 0x0002,
328 		IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_160MHZ	= 0x0003,
329 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN	= 0x0004,
330 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP		= 0x0008,
331 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS	= 0x00f0,
332 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW	= 0x0300,
333 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN= 0x0400,
334 	IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU		= 0x0800,
335 };
336 
337 enum ieee80211_radiotap_lsig_data1 {
338 	IEEE80211_RADIOTAP_LSIG_DATA1_RATE_KNOWN		= 0x0001,
339 	IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN		= 0x0002,
340 };
341 
342 enum ieee80211_radiotap_lsig_data2 {
343 	IEEE80211_RADIOTAP_LSIG_DATA2_RATE			= 0x000f,
344 	IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH			= 0xfff0,
345 };
346 
347 struct ieee80211_radiotap_lsig {
348 	__le16 data1, data2;
349 };
350 
351 enum ieee80211_radiotap_zero_len_psdu_type {
352 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING		= 0,
353 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED		= 1,
354 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR			= 0xff,
355 };
356 
357 /**
358  * ieee80211_get_radiotap_len - get radiotap header length
359  */
360 static inline u16 ieee80211_get_radiotap_len(const char *data)
361 {
362 	struct ieee80211_radiotap_header *hdr = (void *)data;
363 
364 	return get_unaligned_le16(&hdr->it_len);
365 }
366 
367 #endif /* __RADIOTAP_H */
368