netdev - Re: [PATCH net v2] net: devmem: refresh devmem TX dst in case of route invalidation

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Message-Id: 
 <176179140676.3289294.5372826777029403419.git-patchwork-notify@kernel.org>
Date: Thu, 30 Oct 2025 02:30:06 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Shivaji Kant <shivajikant@...gle.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, horms@...nel.org, almasrymina@...gle.com,
 sdf@...ichev.me, asml.silence@...il.com, praan@...gle.com,
 bobbyeshleman@...a.com, vedantmathur@...gle.com
Subject: Re: [PATCH net v2] net: devmem: refresh devmem TX dst in case of
 route
 invalidation

Hello:

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

On Wed, 29 Oct 2025 06:54:19 +0000 you wrote:
> The zero-copy Device Memory (Devmem) transmit path
> relies on the socket's route cache (`dst_entry`) to
> validate that the packet is being sent via the network
> device to which the DMA buffer was bound.
> 
> However, this check incorrectly fails and returns `-ENODEV`
> if the socket's route cache entry (`dst`) is merely missing
> or expired (`dst == NULL`). This scenario is observed during
> network events, such as when flow steering rules are deleted,
> leading to a temporary route cache invalidation.
> 
> [...]

Here is the summary with links:
  - [net,v2] net: devmem: refresh devmem TX dst in case of route invalidation
    https://git.kernel.org/netdev/net/c/6a2108c78069

You are awesome, thank you!
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