linux-kernel - Re: [RFC 0/3] vhost-net: netfilter support for RX path

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Message-ID: <CACGkMEu+gE_K=Tdx8c8GSY4snGpSuU3MgevTq_Mh2wShmaH+2g@mail.gmail.com>
Date: Mon, 9 Feb 2026 09:46:56 +0800
From: Jason Wang <jasowang@...hat.com>
To: Cindy Lu <lulu@...hat.com>
Cc: mst@...hat.com, kvm@...r.kernel.org, virtualization@...ts.linux.dev, 
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC 0/3] vhost-net: netfilter support for RX path

On Sun, Feb 8, 2026 at 10:34 PM Cindy Lu <lulu@...hat.com> wrote:
>
> This series adds a minimal vhost-net filter support for RX.
> It introduces a UAPI for VHOST_NET_SET_FILTER and a simple
> SOCK_SEQPACKET message header. The kernel side keeps a filter
> socket reference and routes RX packets to userspace when
> it was enabled.

I wonder if a packet socket is sufficient or is this for macvtap as well?

Thanks

>
> Tested
> - vhost=on  and vhost=off
>
> Cindy Lu (3):
>   uapi: vhost: add vhost-net netfilter offload API
>   vhost/net: add netfilter socket support
>   vhost/net: add RX netfilter offload path
>
>  drivers/vhost/net.c        | 338 +++++++++++++++++++++++++++++++++++++
>  include/uapi/linux/vhost.h |  20 +++
>  2 files changed, 358 insertions(+)
>
> --
> 2.52.0
>