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Re: [PATCH 3/4] mac80211: add last beacon time in scan list

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On Tue, 2008-06-24 at 07:09 -0400, Dan Williams wrote:
> On Tue, 2008-06-24 at 12:47 +0200, Johannes Berg wrote:
> > On Tue, 2008-06-24 at 13:38 +0300, Tomas Winkler wrote:
> > > From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
> > > 
> > > This patch adds the interval between the scan results and the last time a
> > > beacon was received in the result of the scan.
> > 
> > Why do we need this?
> 
> Sometimes it's nice to see when the beacon was last seen, since the
> driver holds onto BSSs for a while, you don't know how long they've been
> in the scan list.  If you only cared about the newest BSSs you could use
> this to ignore certain APs from the scan list.

Well, but you can't really do it in a program since it's a custom type,
or you'd have to parse this.

> Would be nice to push this attribute back with nl80211 as well.

If anybody ever implements anything there...

johannes

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