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Re: [PATCH v2] ath9k: correctly handle short radar pulses (fixes 3c0efb745a)

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On 6/11/19 3:43 PM, Kalle Valo wrote:
> Zefir Kurtisi <zefir.kurtisi@xxxxxxxxxxx> writes:
> 
>> Changes to v1:
>> * typos fixed in commit-message
>> --
>>
>> In commit '3c0efb745a17 ("ath9k: discard undersized packets")'
>> the lower bound of RX packets was set to 10 (min ACK size) to
>> filter those that would otherwise be treated as invalid at
>> mac80211.
>>
>> Alas, short radar pulses are reported as PHY_ERROR frames
>> with length set to 3. Therefore their detection stopped
>> working after that commit.
>>
>> NOTE: ath9k drivers built thereafter will not pass DFS
>> certification.
>>
>> This extends the criteria for short packets to explicitly
>> handle PHY_ERROR frames.
>>
>> Signed-off-by: Zefir Kurtisi <zefir.kurtisi@xxxxxxxxxxx>
> 
> Forgot to mention that the Fixes line should be before s-o-b, not in the
> title:
> 
> Fixes: 3c0efb745a17 ("ath9k: discard undersized packets")
> 
> I'll fix (no pun intended) that as well.
> 
Thanks. Was unsure about that, checkpatch warned about format (mandatory 12 digit
hash), but not the proper location. Will keep in mind.



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