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

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On Wed, 2009-07-29 at 14:45 -0700, Johannes Berg 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.
> 
> Not doing that was actually intentional -- we want to know whether or
> not the connection is working both ways, not just whether we can receive
> frames. This can certainly be improved, but I'm not sure this is the
> best approach.

I'd be happy to try out other approaches because my connection is
dropping every few minutes. 

Reinette


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