From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Cc: linux-wireless@vger.kernel.org,
"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: [PATCH] ath10k: handle attention flags correctly when A-MSDU
Date: Mon, 21 Jul 2014 20:30:32 +0300 [thread overview]
Message-ID: <87ha2ay5zb.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <CALhHN=q2XcvPiLpeDgw_DksU1xzQLvJtxjzk8iZte-VMd+viLg@mail.gmail.com> (Janusz Dziedzic's message of "Mon, 21 Jul 2014 10:53:16 +0200")
Janusz Dziedzic <janusz.dziedzic@tieto.com> writes:
> On 18 July 2014 14:50, Kalle Valo <kvalo@qca.qualcomm.com> wrote:
>> Janusz Dziedzic <janusz.dziedzic@tieto.com> writes:
>>
>>> In case of A-MSDU RX we should check flags for all
>>> MSDU subframes to be sure we have correct FCS status.
>>>
>>> Before we check attention flags only for first frame
>>> where we didn't have correct info about FCS status in
>>> case of A-MSDU. Next didn't mark RX_FLAG_FAILED_FCS_CRC
>>> for skb. As a side efect we see big TP drop when TCP used.
>>> This was easy to reproduce when AP interface was used
>>> and added monitor interface run in promiscuous mode.
>>>
>>> Reported-by: Denton Gentry <denton.gentry@gmail.com>
>>> Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
>>
>> I'm having a hard time to understand the commit log. I think it would
>> make it easier to read if you first clearly describe the bug you are
>> fixing and then, in a separate paragraph, tell how you fix it.
>
> Will change that.
Thanks. What you wrote in this email was really good, I understand the
issue now and I'm sure so do others. I think you should put the same in
the commit log, there's no max limit for that anyway :)
Also add verb "using" to the title: "ath10k: handle attention flags
correctly when using A-MSDU"
--
Kalle Valo
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prev parent reply other threads:[~2014-07-21 17:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-14 12:47 [PATCH] ath10k: handle attention flags correctly when A-MSDU Janusz Dziedzic
2014-07-18 12:50 ` Kalle Valo
2014-07-21 8:53 ` Janusz Dziedzic
2014-07-21 17:30 ` Kalle Valo [this message]
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