netdev - Re: [PATCH net 1/1] igb: Make DMA faster when CPU is active on the PCIe link

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Date:   Thu, 23 Jun 2022 02:00:13 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Tony Nguyen <anthony.l.nguyen@...el.com>
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        edumazet@...gle.com, kai.heng.feng@...onical.com,
        netdev@...r.kernel.org, gurucharanx.g@...el.com
Subject: Re: [PATCH net 1/1] igb: Make DMA faster when CPU is active on the PCIe
 link

Hello:

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

On Tue, 21 Jun 2022 15:10:56 -0700 you wrote:
> From: Kai-Heng Feng <kai.heng.feng@...onical.com>
> 
> Intel I210 on some Intel Alder Lake platforms can only achieve ~750Mbps
> Tx speed via iperf. The RR2DCDELAY shows around 0x2xxx DMA delay, which
> will be significantly lower when 1) ASPM is disabled or 2) SoC package
> c-state stays above PC3. When the RR2DCDELAY is around 0x1xxx the Tx
> speed can reach to ~950Mbps.
> 
> [...]

Here is the summary with links:
  - [net,1/1] igb: Make DMA faster when CPU is active on the PCIe link
    https://git.kernel.org/netdev/net/c/4e0effd9007e

You are awesome, thank you!
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