Re: [PATCH] mac80211: include MAC timestamp in radiotap header

[Mattias Nissler <mattias.nissler@gmx.de>]

On Sat, 2007-11-24 at 18:36 +0900, bruno randolf wrote:
> On Saturday 24 November 2007 18:27:41 Mattias Nissler wrote:
> > On Sat, 2007-11-24 at 09:34 +0100, Johannes Berg wrote:
> > > On Sat, 2007-11-24 at 00:21 -0500, Michael Wu wrote:
> > > > On Friday 23 November 2007 05:45:54 Johannes Berg wrote:
> > > > > This makes mac80211 include the low-level MAC timestamp
> > > > > in the radiotap header.
> > > >
> > > > No thanks. Not every driver supports reporting the timestamp and
> > > > supporting timestamp/no timestamp in the default radiotap rx code makes
> > > > it not so simple anymore.
> > >
> > > Uh, so how am I supposed to get the timestamp? Copy all the code into
> > > b43 and make it generate the exact same radiotap header? That's pretty
> > > crappy too.
> >
> > On rt2x00, we've just added a facility that dumps information about all
> > frames received and transmitted at a very low level. We dump general
> > information about the frame, the tx/rx descriptors and the packet. Maybe
> > something similar would also be useful for b43?
> 
> that's not a solution if you want them per packet in the radiotap header.
> kismet & wireshark use them as well as other applications.

We actually dump per packet data that is read via debugfs and then fed
into wireshark. Helps debugging a lot :-)

Mattias