netdev - Re: [RFC net-next 0/8] virtio_net: refactor xdp codes

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Date:   Tue, 21 Mar 2023 20:20:20 +0800
From:   Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
To:     Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Cc:     Jesper Dangaard Brouer <hawk@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        John Fastabend <john.fastabend@...il.com>,
        Alexei Starovoitov <ast@...nel.org>,
        virtualization@...ts.linux-foundation.org,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>, bpf@...r.kernel.org,
        Paolo Abeni <pabeni@...hat.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Jason Wang <jasowang@...hat.com>
Subject: Re: [RFC net-next 0/8] virtio_net: refactor xdp codes

On Tue, 21 Mar 2023 19:58:49 +0800, Xuan Zhuo <xuanzhuo@...ux.alibaba.com> wrote:
> On Wed, 15 Mar 2023 12:10:34 +0800, Xuan Zhuo <xuanzhuo@...ux.alibaba.com> wrote:
> > Due to historical reasons, the implementation of XDP in virtio-net is relatively
> > chaotic. For example, the processing of XDP actions has two copies of similar
> > code. Such as page, xdp_page processing, etc.
> >
> > The purpose of this patch set is to refactor these code. Reduce the difficulty
> > of subsequent maintenance. Subsequent developers will not introduce new bugs
> > because of some complex logical relationships.
> >
> > In addition, the supporting to AF_XDP that I want to submit later will also need
> > to reuse the logic of XDP, such as the processing of actions, I don't want to
> > introduce a new similar code. In this way, I can reuse these codes in the
> > future.
> >
> > This patches are developed on the top of another patch set[1]. I may have to
> > wait to merge this. So this patch set is a RFC.
>
>
> Hi, Jason:
>
> Now, the patch set[1] has been in net-next. So this patch set can been merge
> into net-next.
>
> Please review.

I do not know why this patch set miss Jason. I send it normally. ^_^

Thanks.

>
> Thanks.
>
>
> >
> > Please review.
> >
> > Thanks.
> >
> > [1]. https://lore.kernel.org/netdev/20230315015223.89137-1-xuanzhuo@linux.alibaba.com/
> >
> >
> > Xuan Zhuo (8):
> >   virtio_net: mergeable xdp: put old page immediately
> >   virtio_net: mergeable xdp: introduce mergeable_xdp_prepare
> >   virtio_net: introduce virtnet_xdp_handler() to seprate the logic of
> >     run xdp
> >   virtio_net: separate the logic of freeing xdp shinfo
> >   virtio_net: separate the logic of freeing the rest mergeable buf
> >   virtio_net: auto release xdp shinfo
> >   virtio_net: introduce receive_mergeable_xdp()
> >   virtio_net: introduce receive_small_xdp()
> >
> >  drivers/net/virtio_net.c | 615 +++++++++++++++++++++++----------------
> >  1 file changed, 357 insertions(+), 258 deletions(-)
> >
> > --
> > 2.32.0.3.g01195cf9f
> >
> > _______________________________________________
> > Virtualization mailing list
> > Virtualization@...ts.linux-foundation.org
> > https://lists.linuxfoundation.org/mailman/listinfo/virtualization

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