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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 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.

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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