On 11/26/19 4:07 AM, Prashant Bhole wrote: > From: Jason Wang <jasowang@xxxxxxxxxx> > > 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.