linux-kernel - Re: [PATCH net v2] virtio-net: drop the multi-buffer XDP packet in zerocopy

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Message-Id: 
 <176126880925.3310205.7564806694016358052.git-patchwork-notify@kernel.org>
Date: Fri, 24 Oct 2025 01:20:09 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Bui Quang Minh <minhquangbui99@...il.com>
Cc: netdev@...r.kernel.org, mst@...hat.com, jasowang@...hat.com,
 xuanzhuo@...ux.alibaba.com, eperezma@...hat.com, andrew+netdev@...n.ch,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 ast@...nel.org, daniel@...earbox.net, hawk@...nel.org,
 john.fastabend@...il.com, sdf@...ichev.me, virtualization@...ts.linux.dev,
 linux-kernel@...r.kernel.org, bpf@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH net v2] virtio-net: drop the multi-buffer XDP packet in
 zerocopy

Hello:

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

On Wed, 22 Oct 2025 22:56:30 +0700 you wrote:
> In virtio-net, we have not yet supported multi-buffer XDP packet in
> zerocopy mode when there is a binding XDP program. However, in that
> case, when receiving multi-buffer XDP packet, we skip the XDP program
> and return XDP_PASS. As a result, the packet is passed to normal network
> stack which is an incorrect behavior (e.g. a XDP program for packet
> count is installed, multi-buffer XDP packet arrives and does go through
> XDP program. As a result, the packet count does not increase but the
> packet is still received from network stack).This commit instead returns
> XDP_ABORTED in that case.
> 
> [...]

Here is the summary with links:
  - [net,v2] virtio-net: drop the multi-buffer XDP packet in zerocopy
    https://git.kernel.org/netdev/net/c/1ab665817448

You are awesome, thank you!
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