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 for ath10k@lists.infradead.org; Wed, 25 Sep 2019 05:51:47 +0000
From: Kalle Valo <kvalo@codeaurora.org>
Subject: Re: [PATCH v2 3/5] ath10k: sdio: read RX packets in bundles
References: <20190417191503.18814-4-erik.stromdahl@gmail.com>
 <20190925054517.11D3E611FA@smtp.codeaurora.org>
Date: Wed, 25 Sep 2019 08:51:39 +0300
In-Reply-To: <20190925054517.11D3E611FA@smtp.codeaurora.org> (Kalle Valo's
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To: Erik Stromdahl <erik.stromdahl@gmail.com>
Cc: Alagu Sankar <alagusankar@silex-india.com>, linux-wireless@vger.kernel.org, ath10k@lists.infradead.org

Kalle Valo <kvalo@codeaurora.org> writes:

> Erik Stromdahl <erik.stromdahl@gmail.com> wrote:
>
>> From: Alagu Sankar <alagusankar@silex-india.com>
>> 
>> The existing implementation of initiating multiple sdio transfers for
>> receive bundling is slowing down the receive speed.
>> 
>> Instead of having one sdio transfer for each packet in the bundle, we
>> read all packets in one sdio transfer.
>> 
>> This results in significant performance improvement on some targets.
>> 
>> On an imx6dl together with a QCA9377 SDIO device, the following
>> performance increase was obtained with iperf:
>> 
>> Before:
>> 
>> [  3]  0.0- 1.0 sec  3.38 MBytes  28.3 Mbits/sec
>> 
>> After:
>> 
>> [  3]  0.0- 1.0 sec  7.12 MBytes  59.8 Mbits/sec
>> 
>> Co-developed-by: Erik Stromdahl <erik.stromdahl@gmail.com>
>> Signed-off-by: Alagu Sankar <alagusankar@silex-india.com>
>> Signed-off-by: Erik Stromdahl <erik.stromdahl@gmail.com>
>
> Wen is working on this:
>
> [v5,2/8] ath10k: enable RX bundle receive for sdio
>
> https://patchwork.kernel.org/patch/11132661/
>
> So I'll drop this version. Patch set to Superseded.

There were invalid characters and linux-wireless dropped my mail,
resending now.

-- 
Kalle Valo

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