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Re: [PATCH v3 4/4] cfg80211: DFS use 10 minutes CAC when weather channels

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2013/11/26 Simon Wunderlich <sw@xxxxxxxxxxxxxxxxxx>:
>
>> When nominal bandwidth falls completely or partly
>> within the band 5600MHz to 5650MHz the CAC time shall
>> be 10 minutes.
>> This is ETSI requirement. FCC forbids weather channels usage.
>
> Although it is correct to handle that with longer times and all, I don't think
> we should enable weather channels at all, not even for ETSI. Unlike "normal"
> channels, it requires 99.99% detection rate in CAC, which is (I think)
> practically impossible.
>
> I guess we need ath9k (or other drivers, maybe ath10k too) to disallow CAC on
> these channels, if we know that the drivers can do it? Although I don't think
> it's technically possible ...
>
ath.ko already disable weather channels by default.
But in case driver will pass DFS certification (meet all requirements)
- why not use weather channels?

BR
Janusz
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