1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 1999 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 /*
31  * Portions of this source code were derived from Berkeley 4.3 BSD
32  * under license from the Regents of the University of California.
33  */
34 
35 #ident	"%Z%%M%	%I%	%E% SMI"
36 
37 struct interface {
38 	struct	interface *int_next;
39 	struct	in6_addr int_addr;		/* address on this if */
40 	struct	in6_addr int_dstaddr;		/* other end of p-to-p link */
41 	int	int_metric;			/* init's routing entry */
42 	uint_t	int_flags;			/* see below */
43 	int	int_prefix_length;		/* prefix length on this if */
44 	char	*int_name;			/* from kernel if structure */
45 	char	*int_ifbase;			/* name of physical interface */
46 	int	int_sock;			/* socket on if to send/recv */
47 	int	int_ifindex;			/* interface index */
48 	uint_t	int_mtu;			/* maximum transmission unit */
49 	struct  ifdebug int_input, int_output;  /* packet tracing stuff */
50 	int	int_ipackets;			/* input packets received */
51 	int	int_opackets;			/* output packets sent */
52 	ushort_t int_transitions;		/* times gone up-down */
53 };
54 
55 #define	RIP6_IFF_UP		0x1		/* interface is up */
56 #define	RIP6_IFF_POINTOPOINT	0x2		/* interface is p-to-p link */
57 #define	RIP6_IFF_MARKED		0x4		/* to determine removed ifs */
58 #define	RIP6_IFF_NORTEXCH	0x8		/* don't exchange route info */
59 #define	RIP6_IFF_PRIVATE	0x10		/* interface is private */
60 
61 #define	IFMETRIC(ifp)	((ifp != NULL) ? (ifp)->int_metric : 1)
62 
63 extern void	if_dump(void);
64 extern struct	interface *if_ifwithname(char *);
65 extern void	if_purge(struct interface *);
66