Re: [RFC PATCH 0/3] mac80211 dissasociation

Johannes Berg
2008-09-08T09:11:32Z

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On Mon, 2008-09-08 at 12:06 +0300, Tomas Winkler wrote:

> > That's what we're doing of course, but should we really drop all the
> > frames that might still be in the queue? If we're just roaming we could
> > send them out via the next AP, but it's hard to know, and since it's
> > working let's not touch it for now.
>
> In current situation we are dropping the frames anyway.
> How do you know you are roaming and not moving to another network?

Yeah exactly, it's not easy to know.

> > How exactly are you triggering that "unauthorized port" message? I can't
> > seem to reproduce to see if stopping the queue helps, but I'm fairly
> > sure, try the patch below that fixes this.
>
> Powering off AP, I think I've seen only Cisco AP that are able to send
> deauth packet on power off. So this was without.

Odd. So you did get the "No ProbeResp from current AP - assume out of
range" message?

In that case I would have expected you to get the same message, but of
course it's both timing and frame sensitive. I'm a bit surprised you saw
the message at all. Maybe I can reproduce by doing a ping flood to the
AP.

johannes

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