Subject: Re: [RFC V3 2/2] ath10k: add tx hw 802.11 encapusaltion offloading
 support
To:     John Crispin <john@phrozen.org>,
        Johannes Berg <johannes@sipsolutions.net>,
        Kalle Valo <kvalo@codeaurora.org>
Cc:     linux-wireless@vger.kernel.org,
        Shashidhar Lakkavalli <slakkavalli@datto.com>,
        Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
References: <20190401131416.22646-1-john@phrozen.org>
 <20190401131416.22646-3-john@phrozen.org>
From:   Ben Greear <greearb@candelatech.com>
Organization: Candela Technologies
Message-ID: <21eba716-42d0-91ea-a3c0-336c184ce605@candelatech.com>
Date:   Mon, 1 Apr 2019 06:20:26 -0700
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On 4/1/19 6:14 AM, John Crispin wrote:
> From: Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>
> 
> This patch adds support for ethernet rxtx mode to the driver. The feature
> is enabled via a new module parameter. If enabled to driver will enable
> the feature on a per vif basis if all other requirements were met.
> 
> Testing on a IPQ4019 based hardware shows a increase in TCP throughput
> of ~20% when the feature is enabled.

Hello,

Do you have an idea of where this improvement comes from?  Is it CPU load on
the host, or does firmware somehow work better in this mode?

And, does UDP also show improvement?

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com