Move all unit number management cloned interfaces into the cloning

code.  The reverts the API change which made the <if>_clone_destory()
functions return an int instead of void bringing us into closer
alignment with NetBSD.

Reviewed by:	net (a long time ago)

1 files changed, 4 insertions, 3 deletions

diff --git a/sys/net/if.h b/sys/net/if.h
index de1b370..0074cec 100644
--- a/sys/net/if.h
+++ b/sys/net/if.h
@@ -67,16 +67,17 @@ struct if_clone {
 	LIST_ENTRY(if_clone) ifc_list;	/* on list of cloners */
 	const char *ifc_name;		/* name of device, e.g. `gif' */
 	size_t ifc_namelen;		/* length of name */
+	int ifc_minifs;			/* minimum number of interfaces */
 	int ifc_maxunit;		/* maximum unit number */
 	unsigned char *ifc_units;	/* bitmap to handle units */
 	int ifc_bmlen;			/* bitmap length */
 
 	int	(*ifc_create)(struct if_clone *, int);
-	int	(*ifc_destroy)(struct ifnet *);
+	void	(*ifc_destroy)(struct ifnet *);
 };
 
-#define IF_CLONE_INITIALIZER(name, create, destroy, maxunit)		\
-	{ { 0 }, name, sizeof(name) - 1, maxunit, NULL, 0, create, destroy }
+#define IF_CLONE_INITIALIZER(name, create, destroy, minifs, maxunit)	\
+    { { 0 }, name, sizeof(name) - 1, minifs, maxunit, NULL, 0, create, destroy }
 #endif
 
 /*