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Re: [PATCH 2/2] mac80211: Always send EAPOL frames at lowest rate

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Jouni Malinen schrieb:
> On Fri, Jul 29, 2011 at 07:22:17PM +0200, Helmut Schaa wrote:
>> Since EAPOL frames are normal data frames they are treated by the
>> rate control algorithm as such. Thus it can happen that the rate
>> control algorithm chooses an inappropriate rate (minstrel_ht uses
>> MCS rates for example) for the 4-way handshake and under low signal
>> conditions the handshake may time out.
>> 
>> To fix this issue always treat EAPOL frames the same as management 
>> frames and send them with the lowest available rate.
> 
> I don't think that this should be applied for the reasons given (and 
> alternative mechanisms proposed) in the discussion.

I tested it with AP (rt2860) (with STA rt3572sta) under load and
couldn't see any improvement. The first PTK-rekeying didn't work as
usual. Or should it be applied to STA?


Andreas
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