/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1999 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T     */
/*        All Rights Reserved   */

/*
 * Portions of this source code were derived from Berkeley 4.3 BSD
 * under license from the Regents of the University of California.
 */

#ident  "%Z%%M% %I%     %E% SMI"

struct interface {
        struct  interface *int_next;
        struct  in6_addr int_addr;              /* address on this if */
        struct  in6_addr int_dstaddr;           /* other end of p-to-p link */
        int     int_metric;                     /* init's routing entry */
        uint_t  int_flags;                      /* see below */
        int     int_prefix_length;              /* prefix length on this if */
        char    *int_name;                      /* from kernel if structure */
        char    *int_ifbase;                    /* name of physical interface */
        int     int_sock;                       /* socket on if to send/recv */
        int     int_ifindex;                    /* interface index */
        uint_t  int_mtu;                        /* maximum transmission unit */
        struct  ifdebug int_input, int_output;  /* packet tracing stuff */
        int     int_ipackets;                   /* input packets received */
        int     int_opackets;                   /* output packets sent */
        ushort_t int_transitions;               /* times gone up-down */
};

#define RIP6_IFF_UP             0x1             /* interface is up */
#define RIP6_IFF_POINTOPOINT    0x2             /* interface is p-to-p link */
#define RIP6_IFF_MARKED         0x4             /* to determine removed ifs */
#define RIP6_IFF_NORTEXCH       0x8             /* don't exchange route info */
#define RIP6_IFF_PRIVATE        0x10            /* interface is private */

#define IFMETRIC(ifp)   ((ifp != NULL) ? (ifp)->int_metric : 1)

extern void     if_dump(void);
extern struct   interface *if_ifwithname(char *);
extern void     if_purge(struct interface *);