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From:   Kalle Valo <kvalo@codeaurora.org>
To:     Zefir Kurtisi <zefir.kurtisi@neratec.com>
Cc:     linux-wireless@vger.kernel.org, nbd@nbd.name
Subject: Re: [PATCH v2] ath9k: correctly handle short radar pulses (fixes 3c0efb745a)
References: <20190611131006.29715-1-zefir.kurtisi@neratec.com>
        <20190611133656.16964-1-zefir.kurtisi@neratec.com>
Date:   Tue, 11 Jun 2019 16:43:33 +0300
In-Reply-To: <20190611133656.16964-1-zefir.kurtisi@neratec.com> (Zefir
        Kurtisi's message of "Tue, 11 Jun 2019 15:36:56 +0200")
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Zefir Kurtisi <zefir.kurtisi@neratec.com> 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@neratec.com>

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.

-- 
Kalle Valo