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Re: [PATCH] mac80211: use beacons for connection monitoring

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On Fri, 2009-07-31 at 10:08 +0300, Maxim Levitsky wrote:
> On Wed, 2009-07-29 at 14:32 -0700, Reinette Chatre wrote:
> > From: Reinette Chatre <reinette.chatre@xxxxxxxxx>
> > 
> > The connection monitor currently relies on probe requests paired
> > with probe responses to ensure that a connection is alive. This is
> > fragile in some environments where probe responses can get lost.
> > When we receive beacons we can also consider the connection to be
> > alive, so cancel connection poll instance when we receive a beacon.
> > 
> > The debug message "cancelling probereq poll due to a received beacon"
> > is removed as part of this change as this case is hit very often after
> > the above change and debug log receives significant number of these messages.
> 
> In my opinion this is the correct solution
> I did plenty of wireless monitoring, and I see that nobody sends probe
> requests at that rate (1 per second it seems). This is ridiculous.

Fix it then. Offer an implementation of your superior solution. We've
done pretty much exactly what you're all pointing out _forever_ in
mac80211, ever since it was initially merged. Now that it's more
explicit in the code, people are complaining?

johannes

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