add native mode atm protocol info, also ensure AF number remain sync'd

with freebsd.

sys/sys/socket.h

@@ -1,4 +1,4 @@
-/*	$NetBSD: socket.h,v 1.16 1996/05/03 09:23:22 neil Exp $	*/
+/*	$NetBSD: socket.h,v 1.17 1996/07/04 03:15:39 chuck Exp $	*/
 
 /*
  * Copyright (c) 1982, 1985, 1986, 1988, 1993, 1994
@@ -121,8 +121,11 @@ struct	linger {
 #define	AF_IPX		23		/* Novell Internet Protocol */
 #define	AF_SIP		24		/* Simple Internet Protocol */
 #define pseudo_AF_PIP	25		/* Help Identify PIP packets */
+#define AF_ISDN		26		/* Integrated Services Digital Network*/
+#define AF_E164		AF_ISDN		/* CCITT E.164 recommendation */
+#define AF_NATM		27		/* native ATM access */
 
-#define	AF_MAX		26
+#define	AF_MAX		28
 
 /*
  * Structure used by kernel to store most
@@ -174,6 +177,7 @@ struct sockproto {
 #define	PF_IPX		AF_IPX		/* same format as AF_NS */
 #define PF_RTIP		pseudo_AF_FTIP	/* same format as AF_INET */
 #define PF_PIP		pseudo_AF_PIP
+#define PF_NATM		AF_NATM
 
 #define	PF_MAX		AF_MAX
 
@@ -214,6 +218,7 @@ struct sockproto {
 	{ "ipx", CTLTYPE_NODE }, \
 	{ "sip", CTLTYPE_NODE }, \
 	{ "pip", CTLTYPE_NODE }, \
+	{ "natm", CTLTYPE_NODE }, \
 }
 
 /*