Function if_clone_create

freebsd/net/if_clone.c:177–212

* Lookup and create a clone network interface. */

 * Lookup and create a clone network interface.
 */
int
if_clone_create(char *name, size_t len, caddr_t params)
{
	struct if_clone *ifc;

	/* Try to find an applicable cloner for this request */
	IF_CLONERS_LOCK();
	LIST_FOREACH(ifc, &V_if_cloners, ifc_list)
		if (ifc->ifc_type == SIMPLE) {
			if (ifc_simple_match(ifc, name))
				break;
		} else {
			if (ifc->ifc_match(ifc, name))
				break;
		}
#ifdef VIMAGE
	if (ifc == NULL && !IS_DEFAULT_VNET(curvnet)) {
		CURVNET_SET_QUIET(vnet0);
		LIST_FOREACH(ifc, &V_if_cloners, ifc_list)
			if (ifc->ifc_type == SIMPLE) {
				if (ifc_simple_match(ifc, name))
					break;
			} else {
				if (ifc->ifc_match(ifc, name))
					break;
			}
		CURVNET_RESTORE();
	}
#endif
	IF_CLONERS_UNLOCK();

	if (ifc == NULL)
		return (EINVAL);

	return (if_clone_createif(ifc, name, len, params));
}

void
if_clone_addif(struct if_clone *ifc, struct ifnet *ifp)