linux-kernel - Re: [PATCH net-next v2] net: lan966x: Improve the CPU TX bitrate.

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Message-Id: <164699761005.9005.4935359925915457985.git-patchwork-notify@kernel.org>
Date:   Fri, 11 Mar 2022 11:20:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        UNGLinuxDriver@...rochip.com, davem@...emloft.net, kuba@...nel.org,
        david.laight@...lab.com, andrew@...n.ch
Subject: Re: [PATCH net-next v2] net: lan966x: Improve the CPU TX bitrate.

Hello:

This patch was applied to netdev/net-next.git (master)
by David S. Miller <davem@...emloft.net>:

On Thu, 10 Mar 2022 09:40:05 +0100 you wrote:
> When doing manual injection of the frame, it is required to check if the
> TX FIFO is ready to accept the next word of the frame. For this we are
> using 'readx_poll_timeout_atomic', the only problem is that before it
> actually checks the status, is determining the time when to finish polling
> the status. Which seems to be an expensive operation.
> Therefore check the status of the TX FIFO before calling
> 'readx_poll_timeout_atomic'.
> Doing this will improve the TX bitrate by ~70%. Because 99% the FIFO is
> ready by that time. The measurements were done using iperf3.
> 
> [...]

Here is the summary with links:
  - [net-next,v2] net: lan966x: Improve the CPU TX bitrate.
    https://git.kernel.org/netdev/net-next/c/fb9eb027fbc9

You are awesome, thank you!
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