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radiotap.h
1 /*
2  * Copyright 2013, 2014 Maurice Leclaire <leclaire@in.tum.de>
3  * Stephan M. Guenther <moepi@moepi.net>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  * See COPYING for more details.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef __MOEP80211_RADIOTAP_H
21 #define __MOEP80211_RADIOTAP_H
22 
23 
24 #include <moep/ieee80211_radiotap.h>
25 
26 
27 struct moep80211_radiotap {
28  struct ieee80211_radiotap_header hdr;
29  u64 mactime; /* Value in microseconds of the MAC's
30  * 64-bit 802.11 Time Synchronization
31  * Function timer when the first bit of
32  * the MPDU arrived at the MAC. For
33  * received frames only. */
34  u8 flags; /* Properties of transmitted and
35  * received frames. */
36  u8 rate; /* TX/RX data rate in 500 Kbps */
37  struct {
38  u16 frequency; /* Tx/Rx frequency in MHz */
39  u16 flags;
40  } channel;
41  struct {
42  u8 hop_set;
43  u8 hop_pattern;
44  } fhss; /* The hop set and pattern for
45  * frequency-hopping radios. */
46  s8 signal; /* RF signal power at the antenna. This
47  * field contains a single signed 8-bit
48  * value, which indicates the RF signal
49  * power at the antenna, in decibels
50  * difference from 1mW. */
51  s8 noise; /* RF noise power at the antenna. This
52  * field contains a single signed 8-bit
53  * value, which indicates the RF signal
54  * power at the antenna, in decibels
55  * difference from 1mW. */
56  u16 lock_quality; /* Quality of Barker code lock. Unitless.
57  * Monotonically nondecreasing with
58  * "better" lock strength. Called
59  * "Signal Quality" in datasheets. */
60  u16 tx_attenuation; /* Transmit power expressed as unitless
61  * distance from max power set at
62  * factory calibration. 0 is max power.
63  * Monotonically nondecreasing with
64  * lower power levels. */
65  u16 tx_attenuation_dB; /* Transmit power expressed as decibel
66  * distance from max power set at
67  * factory calibration. 0 is max power.
68  * Monotonically nondecreasing with
69  * lower power levels. */
70  s8 tx_power; /* Transmit power expressed as dBm
71  * (decibels from a 1 milliwatt
72  * reference). This is the absolute
73  * power level measured at the antenna
74  * port. */
75  u8 antenna; /* Unitless indication of the Rx/Tx
76  * antenna for this packet. The first
77  * antenna is antenna 0. */
78  u8 signal_dB; /* RF signal power at the antenna,
79  * decibel difference from an arbitrary,
80  * fixed reference. This field contains
81  * a single unsigned 8-bit value. */
82  u8 noise_dB; /* RF noise power at the antenna,
83  * decibel difference from an arbitrary,
84  * fixed reference. This field contains
85  * a single unsigned 8-bit value. */
86  u16 rx_flags; /* Properties of received frames. */
87  u16 tx_flags; /* Properties of transmitted frames. */
88  u8 rts_retries; /* Number of RTS retries a transmitted
89  * frame used. */
90  u8 data_retries; /* Number of data retries a transmitted
91  * frame used. */
92  struct {
93  u8 known; /* The known field indicates which
94  * information is known */
95  u8 flags;
96  u8 mcs; /* The mcs field indicates the MCS rate
97  * index as in IEEE_802.11n-2009 */
98  } mcs;
99  struct {
100  u32 reference;
101  u16 flags;
102  u8 crc;
103  u8 reserved;
104  } ampdu; /* The presence of this field indicates
105  * that the frame was received as part
106  * of an a-MPDU. */
107  struct {
108  u16 known;
109  u8 flags;
110  u8 bandwidth;
111  u8 mcs_nss[4];
112  u8 coding;
113  u8 group_id;
114  u16 partial_aid;
115  } vht;
116 };
117 
118 #endif /* __MOEP80211_RADIOTAP_H */
moep80211_radiotap
Definition: radiotap.h:27
ieee80211_radiotap_header
Definition: ieee80211_radiotap.h:69