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To: Ben Greear <greearb@candelatech.com>
Subject: Re: RFC:  Allow multiple STA connected to same AP.
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Date: Fri, 10 Sep 2010 18:37:28 +0200
From: Johannes Berg <johannes@sipsolutions.net>
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On Thu, 09 Sep 2010 21:52:31 -0700, Ben Greear <greearb@candelatech.com>
wrote:

> After some more debugging, it seems at least part of the problem is that
> ath9k uses ieee80211_iterate_active_interfaces_atomic to determine which
> MACs to add to the BSSID mask.  But, before things are associated
properly,
> sdata isn't 'running', so ath9k doesn't calc the mask properly.
> 
> Looks a bit like chicken-and-egg issue, and for some reason, it doesn't
> seem to happen with WPA (but then, WPA doesn't authenticate properly
> either).
> 
> Maybe a new iterator is needed to get interfaces that want to go active
> (maybe by determining if sdata->dev is 'UP') ?

Err, that's exactly what the active interfaces iterator does. sdata is
in fact 'running' as soon as the interface is UP.

johannes