if.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
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 2004 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#pragma ident	"%Z%%M%	%I%	%E% SMI"
36
37/*
38 * Routing Table Management Daemon
39 */
40#include "defs.h"
41
42/*
43 * Find the interface with given name.
44 */
45struct interface *
46if_ifwithname(char *name)
47{
48	struct interface *ifp;
49
50	for (ifp = ifnet; ifp != NULL; ifp = ifp->int_next) {
51		if (ifp->int_name != NULL &&
52		    strcmp(ifp->int_name, name) == 0)
53			break;
54	}
55	return (ifp);
56}
57
58/*
59 * An interface has declared itself down - remove it completely
60 * from our routing tables but keep the interface structure around.
61 */
62void
63if_purge(struct interface *pifp)
64{
65	rtpurgeif(pifp);
66	pifp->int_flags &= ~RIP6_IFF_UP;
67}
68
69static void
70if_dump2(FILE *fp)
71{
72	struct interface *ifp;
73	char buf1[INET6_ADDRSTRLEN];
74	static struct bits {
75		uint_t	t_bits;
76		char	*t_name;
77	} flagbits[] = {
78		/* BEGIN CSTYLED */
79		{ RIP6_IFF_UP,		"UP" },
80		{ RIP6_IFF_POINTOPOINT,	"POINTOPOINT" },
81		{ RIP6_IFF_MARKED,	"MARKED" },
82		{ RIP6_IFF_NORTEXCH,	"NORTEXCH" },
83		{ RIP6_IFF_PRIVATE,	"PRIVATE" },
84		{ 0,			NULL }
85		/* END CSTYLED */
86	};
87	struct bits *p;
88	char c;
89	boolean_t first;
90
91	for (ifp = ifnet; ifp != NULL; ifp = ifp->int_next) {
92		(void) fprintf(fp, "interface %s:\n",
93		    (ifp->int_name != NULL) ? ifp->int_name : "(noname)");
94
95		(void) fprintf(fp, "\tflags ");
96		c = ' ';
97		for (first = _B_TRUE, p = flagbits; p->t_bits > 0; p++) {
98			if ((ifp->int_flags & p->t_bits) == 0)
99				continue;
100			(void) fprintf(fp, "%c%s", c, p->t_name);
101			if (first) {
102				c = '|';
103				first = _B_FALSE;
104			}
105		}
106		if (first)
107			(void) fprintf(fp, " 0");
108
109		(void) fprintf(fp, "\n\tpackets received %d\n",
110		    ifp->int_ipackets);
111		(void) fprintf(fp, "\tpackets sent %d\n", ifp->int_opackets);
112		(void) fprintf(fp, "\ttransitions %d\n", ifp->int_transitions);
113		if ((ifp->int_flags & RIP6_IFF_UP) == 0)
114			continue;
115		if (ifp->int_flags & RIP6_IFF_POINTOPOINT) {
116			(void) fprintf(fp, "\tlocal %s\n",
117			    inet_ntop(AF_INET6, (void *)&ifp->int_addr, buf1,
118				sizeof (buf1)));
119			(void) fprintf(fp, "\tremote %s\n",
120			    inet_ntop(AF_INET6, (void *)&ifp->int_dstaddr, buf1,
121				sizeof (buf1)));
122		} else {
123			(void) fprintf(fp, "\tprefix %s/%d\n",
124			    inet_ntop(AF_INET6, (void *)&ifp->int_addr, buf1,
125				sizeof (buf1)),
126			    ifp->int_prefix_length);
127		}
128		(void) fprintf(fp, "\tmetric %d\n", ifp->int_metric);
129		(void) fprintf(fp, "\tmtu %d\n", ifp->int_mtu);
130	}
131	(void) fflush(fp);
132}
133
134void
135if_dump(void)
136{
137	if (ftrace != NULL)
138		if_dump2(ftrace);
139	else
140		if_dump2(stderr);
141}
142