linux-kernel - Re: [PATCH net] net: fec: avoid tx queue timeout when XDP is enabled

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Message-Id: <169024322024.4284.8373418017846162224.git-patchwork-notify@kernel.org>
Date:   Tue, 25 Jul 2023 00:00:20 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Wei Fang <wei.fang@....com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, shenwei.wang@....com, xiaoning.wang@....com,
        netdev@...r.kernel.org, linux-imx@....com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: fec: avoid tx queue timeout when XDP is enabled

Hello:

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

On Fri, 21 Jul 2023 16:35:59 +0800 you wrote:
> According to the implementation of XDP of FEC driver, the XDP path
> shares the transmit queues with the kernel network stack, so it is
> possible to lead to a tx timeout event when XDP uses the tx queue
> pretty much exclusively. And this event will cause the reset of the
> FEC hardware.
> To avoid timeout in this case, we use the txq_trans_cond_update()
> interface to update txq->trans_start to jiffies so that watchdog
> won't generate a transmit timeout warning.
> 
> [...]

Here is the summary with links:
  - [net] net: fec: avoid tx queue timeout when XDP is enabled
    https://git.kernel.org/netdev/net/c/bb7a0156365d

You are awesome, thank you!
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