Re: [RFC net-next 07/18] tun: set offloaded xdp program

[Jason Wang]

On 2019/12/2 上午12:45, David Ahern wrote:
> On 11/26/19 4:07 AM, Prashant Bhole wrote:
> > From: Jason Wang <address@hidden>
> >
> > This patch introduces an ioctl way to set an offloaded XDP program
> > to tun driver. This ioctl will be used by qemu to offload XDP program
> > from virtio_net in the guest.
> Seems like you need to set / reset the SOCK_XDP flag on tfile->sk since
> this is an XDP program.
>
> Also, why not add this program using netlink instead of ioctl? e.g., as
> part of a generic XDP in the egress path like I am looking into for the
> host side.


Maybe both, otherwise, qemu may need netlink as a dependency.

Thanks


>