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Re: [PATCH v2 2/2] ath9k: Fix STA disconnect issue due to received MIC failed bcast frames

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On Thu, Dec 2, 2010 at 11:14 AM, Ben Greear <greearb@xxxxxxxxxxxxxxx> wrote:
> On 12/01/2010 09:09 PM, Mohammed Shafi wrote:
>>
>> On Thu, Dec 2, 2010 at 1:28 AM, Ben Greear<greearb@xxxxxxxxxxxxxxx>
>>  wrote:
>>>
>>> On 12/01/2010 03:00 AM, Senthil Balasubramanian wrote:
>>>>
>>>> AR_RxKeyIdxValid will not be set for bcast/mcast frames and so relying
>>>> this status for MIC failed frames is buggy.
>>>>
>>>> Due to this, MIC failure events for broadcast frames are not sent to
>>>> supplicant resulted in AP disconnecting the STA.
>>>>
>>>> Able to pass Wifi Test case 5.2.18 with this fix.
>>>
>>> Please do not apply this yet.  As far as I can tell, either
>>> of these patches breaks multiple VIF scenarios.  I'm not
>>> sure exactly why, but I had to revert this to get any
>>> of my interfaces to associate.
>>
>> Ben can you please give some more information(or just point out some
>> link) regarding your test case,I can try it out.
>> thanks,
>> shafi
>
> Try this script, or something like it:
>
> http://www.spinics.net/lists/linux-wireless/msg60126.html
>
> Edit 'max' to create a small number of STA interfaces or you will probably
> have
> worse issues than them just not associating!
>
> You have to enable the nohwcrypt module option.
>
> Let me know if that doesn't work and I can probably put together something
> more specific.

thanks Ben.

>
> Thanks,
> Ben
>
> --
> Ben Greear <greearb@xxxxxxxxxxxxxxx>
> Candela Technologies Inc  http://www.candelatech.com
>
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