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

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On Wed, 15 Mar 2023 12:10:34 +0800, Xuan Zhuo <xuanzhuo@xxxxxxxxxxxxxxxxx> 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.

Thanks.


>
> Please review.
>
> Thanks.
>
> [1]. https://lore.kernel.org/netdev/20230315015223.89137-1-xuanzhuo@xxxxxxxxxxxxxxxxx/
>
>
> 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
>
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