On Apr 9, 2016, at 12:24 AM, Yang Luo <[email protected]> wrote:
> I have added Radiotap header to Windows. Currently only Flags, Channel and
> Antenna Signal are supported.
>
> The whole header with Radiotap data is 14 bytes:
> 8 bytes header + 1 byte Flags + 4 bytes Channel + 1 byte Antenna Signal.
It should be
8 bytes header
1 byte Flags
1 byte padding, to put the Channel field on a 2-byte boundary
4 bytes Channel
1 byte Antenna signal
for a total of 15 bytes. See the "Alignment in Radiotap" section of
http://www.radiotap.org
If you add a Rate field after Flags, however, you *wouldn't* put the padding
field there, as the Rate field is also 1 byte long, and there's no need for
padding after a 1-byte Flags field and a 1-byte Rate field if a Channel field
follows the Rate field.
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