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Date: Wed, 6 Jul 2005 09:40:36 +0800 (CST)
From: Tai-hwa Liang <avatar@mmlab.cse.yzu.edu.tw>
To: Sam Leffler <sam@errno.com>
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References: <200507051430.04322.jhugo@icomtek.csir.co.za>
	<42CAB549.7010409@errno.com>
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Cc: freebsd-current@freebsd.org, Johann Hugo <jhugo@icomtek.csir.co.za>
Subject: Re: ath client loose connection to ath hostap
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On Tue, 5 Jul 2005, Sam Leffler wrote:
> Johann Hugo wrote:
>> Hi 
>> I have 2x soekris 4501 units with atheros adapters,  1=hostap mode, 
>> 1=client.
>> With a continues ping, everything keeps running (16+ hours), but after an 
>> inactive period they lose connectivity. The client still reports it is 
>> associated, but there is no IP connectivity. After "ath down" + "ath up" it 
>> does not want to associated with hostap any more. After client reboot it 
>> works fine again. After inactive period - same problem.
>
> I believe Tai-hwa Liang has a fix for this pending re approval.  You're 
> seeing beacon misses on the client but when the client scans to reassociate 
> it bogusly creates a new entry in the scan cache and things get confused.  If 
> his commit doesn't fix your problem check on the ap side to see if there are 
> auth+associate requests coming in when you get a beacon miss on the client.

   Just committed to sys/net80211/ieee80211_input.c:1.56.  Please cvsup later.

Thanks,
Tai-hwa Liang