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

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On Wed, Mar 22, 2023 at 11:40:56AM +0800, Xuan Zhuo wrote:
> On Tue, 21 Mar 2023 23:34:43 -0400, "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote:
> > On Wed, Mar 22, 2023 at 11:03:00AM +0800, Xuan Zhuo 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.
> > >
> > > Please review.
> > >
> > > Thanks.
> >
> > I really want to see that code make progress though.
> 
> I want to know, you refer to virtio-net + AF_XDP or refactor for XDP.
> 
> > Would it make sense to merge this one through the virtio tree?
> 
> There are some small problems that we merge this patch-set to Virtio Tree
> directly.
> 
> Thanks.

what exactly? is there a dependency on net-next?

> >
> > Then you will have all the pieces in one place and try to target
> > next linux.
> >
> >
> > > 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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