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

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Hi Johannes,

> > 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.

this patch might be a band-aid and needs improvement or a total
different solution, but it does help my disconnect problems. It makes my
connection fully stable again. So it is not a wrong approach in general,
because otherwise I have to be always close to me AP. And then using
WiFi is bloody pointless since I could just put an Ethernet cable into
the wall socket directly.

Regards

Marcel


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