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

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On Fri, Jul 29, 2011 at 7:56 PM, Helmut Schaa
<helmut.schaa@xxxxxxxxxxxxxx> wrote:
> On Fri, Jul 29, 2011 at 7:51 PM, Felix Fietkau <nbd@xxxxxxxxxxx> wrote:
>> On 2011-07-29 7:22 PM, 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.
>>
>> Have you tried preventing minstrel_ht from using EAPOL frames for probing
>> different rates instead of forcing it to use the lowest rate?
>
> Nope. I'll give it a try soon.

Felix, what rate is used by minstrel_ht if there are no statistics yet? MCS0?
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