Commit | Line | Data |
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007e5ddd | 1 | /* |
42f82e2e JB |
2 | * Copyright (c) 2017 Intel Deutschland GmbH |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
3905ec45 | 15 | */ |
42f82e2e JB |
16 | #ifndef __RADIOTAP_H |
17 | #define __RADIOTAP_H | |
3905ec45 | 18 | |
3905ec45 | 19 | #include <linux/kernel.h> |
dfe6e81d | 20 | #include <asm/unaligned.h> |
3905ec45 | 21 | |
42f82e2e JB |
22 | /** |
23 | * struct ieee82011_radiotap_header - base radiotap header | |
a0d69f22 | 24 | */ |
3905ec45 | 25 | struct ieee80211_radiotap_header { |
42f82e2e JB |
26 | /** |
27 | * @it_version: radiotap version, always 0 | |
28 | */ | |
29 | uint8_t it_version; | |
30 | ||
31 | /** | |
32 | * @it_pad: padding (or alignment) | |
33 | */ | |
34 | uint8_t it_pad; | |
35 | ||
36 | /** | |
37 | * @it_len: overall radiotap header length | |
38 | */ | |
39 | __le16 it_len; | |
40 | ||
41 | /** | |
42 | * @it_present: (first) present word | |
43 | */ | |
44 | __le32 it_present; | |
6a86b9c7 | 45 | } __packed; |
3905ec45 | 46 | |
42f82e2e JB |
47 | /* version is always 0 */ |
48 | #define PKTHDR_RADIOTAP_VERSION 0 | |
49 | ||
50 | /* see the radiotap website for the descriptions */ | |
51 | enum ieee80211_radiotap_presence { | |
3905ec45 JK |
52 | IEEE80211_RADIOTAP_TSFT = 0, |
53 | IEEE80211_RADIOTAP_FLAGS = 1, | |
54 | IEEE80211_RADIOTAP_RATE = 2, | |
55 | IEEE80211_RADIOTAP_CHANNEL = 3, | |
56 | IEEE80211_RADIOTAP_FHSS = 4, | |
57 | IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5, | |
58 | IEEE80211_RADIOTAP_DBM_ANTNOISE = 6, | |
59 | IEEE80211_RADIOTAP_LOCK_QUALITY = 7, | |
60 | IEEE80211_RADIOTAP_TX_ATTENUATION = 8, | |
61 | IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9, | |
62 | IEEE80211_RADIOTAP_DBM_TX_POWER = 10, | |
63 | IEEE80211_RADIOTAP_ANTENNA = 11, | |
64 | IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12, | |
65 | IEEE80211_RADIOTAP_DB_ANTNOISE = 13, | |
876c9d3a MT |
66 | IEEE80211_RADIOTAP_RX_FLAGS = 14, |
67 | IEEE80211_RADIOTAP_TX_FLAGS = 15, | |
68 | IEEE80211_RADIOTAP_RTS_RETRIES = 16, | |
69 | IEEE80211_RADIOTAP_DATA_RETRIES = 17, | |
42f82e2e | 70 | /* 18 is XChannel, but it's not defined yet */ |
6d744bac | 71 | IEEE80211_RADIOTAP_MCS = 19, |
48613ece | 72 | IEEE80211_RADIOTAP_AMPDU_STATUS = 20, |
51648921 | 73 | IEEE80211_RADIOTAP_VHT = 21, |
99ee7cae | 74 | IEEE80211_RADIOTAP_TIMESTAMP = 22, |
6d744bac | 75 | |
33e5a2f7 JB |
76 | /* valid in every it_present bitmap, even vendor namespaces */ |
77 | IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29, | |
78 | IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30, | |
876c9d3a | 79 | IEEE80211_RADIOTAP_EXT = 31 |
3905ec45 JK |
80 | }; |
81 | ||
42f82e2e JB |
82 | /* for IEEE80211_RADIOTAP_FLAGS */ |
83 | enum ieee80211_radiotap_flags { | |
84 | IEEE80211_RADIOTAP_F_CFP = 0x01, | |
85 | IEEE80211_RADIOTAP_F_SHORTPRE = 0x02, | |
86 | IEEE80211_RADIOTAP_F_WEP = 0x04, | |
87 | IEEE80211_RADIOTAP_F_FRAG = 0x08, | |
88 | IEEE80211_RADIOTAP_F_FCS = 0x10, | |
89 | IEEE80211_RADIOTAP_F_DATAPAD = 0x20, | |
90 | IEEE80211_RADIOTAP_F_BADFCS = 0x40, | |
91 | }; | |
876c9d3a | 92 | |
42f82e2e JB |
93 | /* for IEEE80211_RADIOTAP_CHANNEL */ |
94 | enum ieee80211_radiotap_channel_flags { | |
95 | IEEE80211_CHAN_CCK = 0x0020, | |
96 | IEEE80211_CHAN_OFDM = 0x0040, | |
97 | IEEE80211_CHAN_2GHZ = 0x0080, | |
98 | IEEE80211_CHAN_5GHZ = 0x0100, | |
99 | IEEE80211_CHAN_DYN = 0x0400, | |
100 | IEEE80211_CHAN_HALF = 0x4000, | |
101 | IEEE80211_CHAN_QUARTER = 0x8000, | |
102 | }; | |
3905ec45 | 103 | |
42f82e2e JB |
104 | /* for IEEE80211_RADIOTAP_RX_FLAGS */ |
105 | enum ieee80211_radiotap_rx_flags { | |
106 | IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002, | |
107 | }; | |
6d744bac | 108 | |
42f82e2e JB |
109 | /* for IEEE80211_RADIOTAP_TX_FLAGS */ |
110 | enum ieee80211_radiotap_tx_flags { | |
111 | IEEE80211_RADIOTAP_F_TX_FAIL = 0x0001, | |
112 | IEEE80211_RADIOTAP_F_TX_CTS = 0x0002, | |
113 | IEEE80211_RADIOTAP_F_TX_RTS = 0x0004, | |
114 | IEEE80211_RADIOTAP_F_TX_NOACK = 0x0008, | |
115 | }; | |
6d744bac | 116 | |
42f82e2e JB |
117 | /* for IEEE80211_RADIOTAP_MCS "have" flags */ |
118 | enum ieee80211_radiotap_mcs_have { | |
119 | IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01, | |
120 | IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02, | |
121 | IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04, | |
122 | IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08, | |
123 | IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10, | |
124 | IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20, | |
125 | }; | |
786677d1 | 126 | |
42f82e2e JB |
127 | enum ieee80211_radiotap_mcs_flags { |
128 | IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03, | |
129 | IEEE80211_RADIOTAP_MCS_BW_20 = 0, | |
130 | IEEE80211_RADIOTAP_MCS_BW_40 = 1, | |
131 | IEEE80211_RADIOTAP_MCS_BW_20L = 2, | |
132 | IEEE80211_RADIOTAP_MCS_BW_20U = 3, | |
133 | ||
134 | IEEE80211_RADIOTAP_MCS_SGI = 0x04, | |
135 | IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08, | |
136 | IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10, | |
137 | IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60, | |
138 | IEEE80211_RADIOTAP_MCS_STBC_1 = 1, | |
139 | IEEE80211_RADIOTAP_MCS_STBC_2 = 2, | |
140 | IEEE80211_RADIOTAP_MCS_STBC_3 = 3, | |
141 | IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5, | |
142 | }; | |
6d744bac | 143 | |
42f82e2e JB |
144 | /* for IEEE80211_RADIOTAP_AMPDU_STATUS */ |
145 | enum ieee80211_radiotap_ampdu_flags { | |
146 | IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001, | |
147 | IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002, | |
148 | IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004, | |
149 | IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008, | |
150 | IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010, | |
151 | IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020, | |
152 | }; | |
6d744bac | 153 | |
42f82e2e JB |
154 | /* for IEEE80211_RADIOTAP_VHT */ |
155 | enum ieee80211_radiotap_vht_known { | |
156 | IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001, | |
157 | IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002, | |
158 | IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004, | |
159 | IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS = 0x0008, | |
160 | IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM = 0x0010, | |
161 | IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED = 0x0020, | |
162 | IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH = 0x0040, | |
163 | IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID = 0x0080, | |
164 | IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID = 0x0100, | |
165 | }; | |
51648921 | 166 | |
42f82e2e JB |
167 | enum ieee80211_radiotap_vht_flags { |
168 | IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01, | |
169 | IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02, | |
170 | IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04, | |
171 | IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08, | |
172 | IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10, | |
173 | IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20, | |
174 | }; | |
51648921 | 175 | |
42f82e2e JB |
176 | enum ieee80211_radiotap_vht_coding { |
177 | IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01, | |
178 | IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02, | |
179 | IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04, | |
180 | IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08, | |
181 | }; | |
51648921 | 182 | |
42f82e2e JB |
183 | /* for IEEE80211_RADIOTAP_TIMESTAMP */ |
184 | enum ieee80211_radiotap_timestamp_unit_spos { | |
185 | IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK = 0x000F, | |
186 | IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS = 0x0000, | |
187 | IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US = 0x0001, | |
188 | IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS = 0x0003, | |
189 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK = 0x00F0, | |
190 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU = 0x0000, | |
191 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ = 0x0010, | |
192 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU = 0x0020, | |
193 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU = 0x0030, | |
194 | IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN = 0x00F0, | |
195 | }; | |
99ee7cae | 196 | |
42f82e2e JB |
197 | enum ieee80211_radiotap_timestamp_flags { |
198 | IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00, | |
199 | IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01, | |
200 | IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02, | |
201 | }; | |
99ee7cae | 202 | |
42f82e2e JB |
203 | /** |
204 | * ieee80211_get_radiotap_len - get radiotap header length | |
205 | */ | |
206 | static inline u16 ieee80211_get_radiotap_len(const char *data) | |
571ecf67 | 207 | { |
42f82e2e | 208 | struct ieee80211_radiotap_header *hdr = (void *)data; |
571ecf67 | 209 | |
8b5ac31e | 210 | return get_unaligned_le16(&hdr->it_len); |
571ecf67 JB |
211 | } |
212 | ||
42f82e2e | 213 | #endif /* __RADIOTAP_H */ |