Function vdev_netvsc_scan_callback

dpdk/drivers/net/vdev_netvsc/vdev_netvsc.c:788–806

* A callback called by vdev bus scan function to ensure this driver probing * automatically in Hyper-V VM system unless it already exists in the * devargs list. */

 * devargs list.
 */
static void
vdev_netvsc_scan_callback(__rte_unused void *arg)
{
	struct rte_device *dev;
	struct rte_devargs *devargs;
	struct rte_bus *vbus = rte_bus_find_by_name("vdev");

	RTE_EAL_DEVARGS_FOREACH("vdev", devargs)
		if (!strncmp(devargs->name, VDEV_NETVSC_DRIVER_NAME,
			     VDEV_NETVSC_DRIVER_NAME_LEN))
			return;

	dev = vbus->find_device(NULL, vdev_netvsc_cmp_rte_device,
				VDEV_NETVSC_DRIVER_NAME);
	if (dev)
		return;
	if (rte_devargs_add(RTE_DEVTYPE_VIRTUAL, VDEV_NETVSC_DRIVER_NAME))
		DRV_LOG(ERR, "unable to add netvsc devargs.");
}

/** Initialize the custom scan. */
RTE_INIT(vdev_netvsc_custom_scan_add)