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Re: About the TSFT field

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On Wed, 2014-08-13 at 11:52 +0200, Roberto Riggio wrote:

> As far as I've understood the TSFT is generated from the MAC,
> however I do not know to which instant the TSFT is relative,
> the first bit of the MAC payload, the beginning of the PLCP,
> etc.

It's documented in the radiotap spec, but not all drivers are really
doing the right thing here.

> Also I do not know from which reference the TSFT is generated,
> I mean two AP synchronized using NTP will have consistent
> TSFT, which kind of error should I expect?

It's purely local time - no synchronisation happens.

johannes

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