Function vnet_tun_init

freebsd/net/if_tuntap.c:664–681

}

static void
vnet_tun_init(const void *unused __unused)
{
	struct tuntap_driver *drv;
	struct tuntap_driver_cloner *drvc;
	int i;

	for (i = 0; i < nitems(tuntap_drivers); ++i) {
		drv = &tuntap_drivers[i];
		drvc = malloc(sizeof(*drvc), M_TUN, M_WAITOK | M_ZERO);

		drvc->drv = drv;
		drvc->cloner = if_clone_advanced(drv->cdevsw.d_name, 0,
		    drv->clone_match_fn, drv->clone_create_fn,
		    drv->clone_destroy_fn);
		SLIST_INSERT_HEAD(&V_tuntap_driver_cloners, drvc, link);
	};
}
VNET_SYSINIT(vnet_tun_init, SI_SUB_PROTO_IF, SI_ORDER_ANY,
		vnet_tun_init, NULL);