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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 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
>
> I'm using software encryption in case that matters.
>
> Senthil:  Any chance you could test with a few VIFS to
> see if you see the same problem?
>
> Here is a dmesg snippet from wireless-testing with the v1 reverted
> and v2 applied:
>
> sta9: authenticate with 00:14:d1:c6:d2:54 (try 1)
> sta9: authenticated
> sta9: associate with 00:14:d1:c6:d2:54 (try 1)
> sta9: RX AssocResp from 00:14:d1:c6:d2:54 (capab=0x431 status=1 aid=0)
> sta9: 00:14:d1:c6:d2:54 denied association (code=1)
> sta9: deauthenticating from 00:14:d1:c6:d2:54 by local choice (reason=3)
> ieee80211 wiphy0: device now idle
> ieee80211 wiphy0: device no longer idle - scanning
> ieee80211 wiphy0: device now idle
> ieee80211 wiphy0: device no longer idle - working
> sta10: authenticate with 00:14:d1:c6:d2:54 (try 1)
> sta10: authenticated
> sta10: associate with 00:14:d1:c6:d2:54 (try 1)
> sta10: RX AssocResp from 00:14:d1:c6:d2:54 (capab=0x431 status=1 aid=0)
> sta10: 00:14:d1:c6:d2:54 denied association (code=1)
> sta10: deauthenticating from 00:14:d1:c6:d2:54 by local choice (reason=3)
>
> Thanks,
> Ben
>
> --
> Ben Greear <greearb@xxxxxxxxxxxxxxx>
> Candela Technologies Inc  http://www.candelatech.com
>
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