linux-kernel - Re: [PATCH net-next V2] eth: fbnic: Configure RDE settings for pause frame

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Message-Id: 
 <176342761424.3532963.7569003490275374200.git-patchwork-notify@kernel.org>
Date: Tue, 18 Nov 2025 01:00:14 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Mohsin Bashir <mohsin.bashr@...il.com>
Cc: netdev@...r.kernel.org, alexanderduyck@...com, almasrymina@...gle.com,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 horms@...nel.org, kernel-team@...a.com, kuba@...nel.org,
 linux-kernel@...r.kernel.org, linux@...linux.org.uk, pabeni@...hat.com,
 rmk+kernel@...linux.org.uk
Subject: Re: [PATCH net-next V2] eth: fbnic: Configure RDE settings for pause
 frame

Hello:

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

On Thu, 13 Nov 2025 15:26:10 -0800 you wrote:
> fbnic supports pause frames. When pause frames are enabled presumably
> user expects lossless operation from the NIC. Make sure we configure
> RDE (Rx DMA Engine) to DROP_NEVER mode to avoid discards due to delays
> in fetching Rx descriptors from the host.
> 
> While at it enable DROP_NEVER when NIC only has a single queue
> configured. In this case the NIC acts as a FIFO so there's no risk
> of head-of-line blocking other queues by making RDE wait. If pause
> is disabled this just moves the packet loss from the DMA engine to
> the Rx buffer.
> 
> [...]

Here is the summary with links:
  - [net-next,V2] eth: fbnic: Configure RDE settings for pause frame
    https://git.kernel.org/netdev/net-next/c/0135333914d6

You are awesome, thank you!
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