linux-kernel - Re: [PATCH net-next 1/1] net: stmmac: enhance XDP ZC driver level switching performance

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Message-Id: <163698241059.21342.15722076817804554278.git-patchwork-notify@kernel.org>
Date:   Mon, 15 Nov 2021 13:20:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Ong Boon Leong <boon.leong.ong@...el.com>
Cc:     peppe.cavallaro@...com, alexandre.torgue@...com,
        joabreu@...opsys.com, davem@...emloft.net, kuba@...nel.org,
        mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com,
        daniel@...earbox.net, hawk@...nel.org, john.fastabend@...il.com,
        netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, kurt.kanzenbach@...utronix.de
Subject: Re: [PATCH net-next 1/1] net: stmmac: enhance XDP ZC driver level
 switching performance

Hello:

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

On Thu, 11 Nov 2021 22:39:49 +0800 you wrote:
> The previous stmmac_xdp_set_prog() implementation uses stmmac_release()
> and stmmac_open() which tear down the PHY device and causes undesirable
> autonegotiation which causes a delay whenever AFXDP ZC is setup.
> 
> This patch introduces two new functions that just sufficiently tear
> down DMA descriptors, buffer, NAPI process, and IRQs and reestablish
> them accordingly in both stmmac_xdp_release() and stammac_xdp_open().
> 
> [...]

Here is the summary with links:
  - [net-next,1/1] net: stmmac: enhance XDP ZC driver level switching performance
    https://git.kernel.org/netdev/net-next/c/ac746c8520d9

You are awesome, thank you!
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