_AirpcapRadiotapHeader Struct Reference
[airpcap definitions and data structures]

radiotap header for the airpcap driver. See Information About the Radiotap Header for details. The Capture_radio example in the developer's pack shows how to decode the radiotap header and access the frame content after it. More...

#include <airpcap.h>


Data Fields

UCHAR Version
 Radiotap version.
UCHAR Pad
 Padding.
USHORT Len
 Header length.
ULONG Present
 Field present in the header.
UCHAR Flags
 Properties of transmitted and received frames. Unused for the moment.
UCHAR Rate
 Data rate of the received frame, in multiples of 500kb/s.
USHORT ChannelFrequency
 Frequency of the channel the packet is received from.
USHORT ChannelFlags
 Can be one of the following: AIRPCAP_CHAN_CCK, AIRPCAP_CHAN_OFDM, AIRPCAP_CHAN_2GHZ, AIRPCAP_CHAN_5GHZ.
USHORT SignalQuality
 Signal Quality, int the range 0-100.
UCHAR Antenna
 Unitless indication of the Rx/Tx antenna for this packet. The first antenna is antenna 0.
UCHAR SignalStrenght
 RF signal power at the antenna, decibel difference from one milliwatt.
USHORT Padding
 Padding. This Field is present only if the adapter is configured to include the 802.11 frame check sequence with AirpcapSetFcsPresence().
ULONG FCS
 FCS from frame in network byte order. This Field is present only if the adapter is configured to include the 802.11 frame check sequence with AirpcapSetFcsPresence().


Detailed Description

radiotap header for the airpcap driver. See Information About the Radiotap Header for details. The Capture_radio example in the developer's pack shows how to decode the radiotap header and access the frame content after it.


Field Documentation

UCHAR _AirpcapRadiotapHeader::Version
 

Radiotap version.

UCHAR _AirpcapRadiotapHeader::Pad
 

Padding.

USHORT _AirpcapRadiotapHeader::Len
 

Header length.

ULONG _AirpcapRadiotapHeader::Present
 

Field present in the header.

UCHAR _AirpcapRadiotapHeader::Flags
 

Properties of transmitted and received frames. Unused for the moment.

UCHAR _AirpcapRadiotapHeader::Rate
 

Data rate of the received frame, in multiples of 500kb/s.

USHORT _AirpcapRadiotapHeader::ChannelFrequency
 

Frequency of the channel the packet is received from.

USHORT _AirpcapRadiotapHeader::ChannelFlags
 

Can be one of the following: AIRPCAP_CHAN_CCK, AIRPCAP_CHAN_OFDM, AIRPCAP_CHAN_2GHZ, AIRPCAP_CHAN_5GHZ.

USHORT _AirpcapRadiotapHeader::SignalQuality
 

Signal Quality, int the range 0-100.

UCHAR _AirpcapRadiotapHeader::Antenna
 

Unitless indication of the Rx/Tx antenna for this packet. The first antenna is antenna 0.

UCHAR _AirpcapRadiotapHeader::SignalStrenght
 

RF signal power at the antenna, decibel difference from one milliwatt.

USHORT _AirpcapRadiotapHeader::Padding
 

Padding. This Field is present only if the adapter is configured to include the 802.11 frame check sequence with AirpcapSetFcsPresence().

ULONG _AirpcapRadiotapHeader::FCS
 

FCS from frame in network byte order. This Field is present only if the adapter is configured to include the 802.11 frame check sequence with AirpcapSetFcsPresence().


Generated on Thu Jun 29 15:56:44 2006 for airpcap by  doxygen 1.3.9.1