linux-kernel - Re: [PATCH net-next v3] tun: support NAPI for packets received from batched XDP buffs

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Date:   Wed, 02 Mar 2022 01:40:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Harold Huang <baymaxhuang@...il.com>
Cc:     netdev@...r.kernel.org, jasowang@...hat.com, pabeni@...hat.com,
        davem@...emloft.net, kuba@...nel.org, ast@...nel.org,
        daniel@...earbox.net, hawk@...nel.org, john.fastabend@...il.com,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org
Subject: Re: [PATCH net-next v3] tun: support NAPI for packets received from
 batched XDP buffs

Hello:

This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Mon, 28 Feb 2022 11:38:05 +0800 you wrote:
> In tun, NAPI is supported and we can also use NAPI in the path of
> batched XDP buffs to accelerate packet processing. What is more, after
> we use NAPI, GRO is also supported. The iperf shows that the throughput of
> single stream could be improved from 4.5Gbps to 9.2Gbps. Additionally, 9.2
> Gbps nearly reachs the line speed of the phy nic and there is still about
> 15% idle cpu core remaining on the vhost thread.
> 
> [...]

Here is the summary with links:
  - [net-next,v3] tun: support NAPI for packets received from batched XDP buffs
    https://git.kernel.org/netdev/net-next/c/fb3f903769e8

You are awesome, thank you!
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