[Patch net] wireguard: preserve skb->mark on ingress side

[Cong Wang]

Hi, Jason

On Mon, Sep 27, 2021 at 8:27 PM Cong Wang <xiyou.wangcong at gmail.com> wrote:
>
> On Mon, Sep 27, 2021 at 8:22 PM Jason A. Donenfeld <Jason at zx2c4.com> wrote:
> >
> > Hi Cong,
> >
> > I'm not so sure this makes sense, as the inner packet is in fact
> > totally different. If you want to distinguish the ingress interface,
>
> The contents are definitely different, but skb itself is the same.
>
> Please also take a look at other tunnels, they all preserve this
> in similar ways, that is, comparing net namespaces. Any reason
> why wireguard is so different from other tunnels?

Any response?

Thanks.