VIRTIO_XDP_FLAG 246 drivers/net/virtio_net.c return (unsigned long)ptr & VIRTIO_XDP_FLAG; VIRTIO_XDP_FLAG 251 drivers/net/virtio_net.c return (void *)((unsigned long)ptr | VIRTIO_XDP_FLAG); VIRTIO_XDP_FLAG 256 drivers/net/virtio_net.c return (struct xdp_frame *)((unsigned long)ptr & ~VIRTIO_XDP_FLAG);