1/*-
2 * Copyright (C) 1998 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29/*-
30 * Copyright (c) 1989 Stephen Deering
31 * Copyright (c) 1992, 1993
32 *	The Regents of the University of California.  All rights reserved.
33 *
34 * This code is derived from software contributed to Berkeley by
35 * Stephen Deering of Stanford University.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 *    notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 *    notice, this list of conditions and the following disclaimer in the
44 *    documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 *    must display the following acknowledgement:
47 *	This product includes software developed by the University of
48 *	California, Berkeley and its contributors.
49 * 4. Neither the name of the University nor the names of its contributors
50 *    may be used to endorse or promote products derived from this software
51 *    without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 *	@(#)mroute.c	8.2 (Berkeley) 4/28/95
66 */
67
68#include <sys/cdefs.h>
69__FBSDID("$FreeBSD$");
70
71#ifdef INET6
72#include <sys/param.h>
73#include <sys/queue.h>
74#include <sys/socket.h>
75#include <sys/socketvar.h>
76#include <sys/sysctl.h>
77#include <sys/protosw.h>
78#include <sys/mbuf.h>
79#include <sys/time.h>
80
81#include <net/if.h>
82#include <net/if_var.h>
83#include <net/route.h>
84
85#include <netinet/in.h>
86
87#include <err.h>
88#include <stdint.h>
89#include <stdio.h>
90#include <stdlib.h>
91
92#define	KERNEL 1
93#include <netinet6/ip6_mroute.h>
94#undef KERNEL
95
96#include "netstat.h"
97
98#define	WID_ORG	(Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
99#define	WID_GRP	(Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
100
101void
102mroute6pr(u_long mfcaddr, u_long mifaddr)
103{
104	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
105	struct mif6 mif6table[MAXMIFS];
106	struct mf6c mfc;
107	struct rtdetq rte, *rtep;
108	struct mif6 *mifp;
109	mifi_t mifi;
110	int i;
111	int banner_printed;
112	int saved_numeric_addr;
113	mifi_t maxmif = 0;
114	long int waitings;
115	size_t len;
116
117	len = sizeof(mif6table);
118	if (live) {
119		if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len,
120		    NULL, 0) < 0) {
121			warn("sysctl: net.inet6.ip6.mif6table");
122			return;
123		}
124	} else
125		kread(mifaddr, (char *)mif6table, sizeof(mif6table));
126
127	saved_numeric_addr = numeric_addr;
128	numeric_addr = 1;
129	banner_printed = 0;
130
131	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
132		struct ifnet ifnet;
133		char ifname[IFNAMSIZ];
134
135		if (mifp->m6_ifp == NULL)
136			continue;
137
138		/* XXX KVM */
139		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
140
141		maxmif = mifi;
142		if (!banner_printed) {
143			printf("\nIPv6 Multicast Interface Table\n"
144			       " Mif   Rate   PhyIF   "
145			       "Pkts-In   Pkts-Out\n");
146			banner_printed = 1;
147		}
148
149		printf("  %2u   %4d",
150		       mifi, mifp->m6_rate_limit);
151		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
152		       "reg0" : if_indextoname(ifnet.if_index, ifname));
153
154		printf(" %9ju  %9ju\n", (uintmax_t)mifp->m6_pkt_in,
155		    (uintmax_t)mifp->m6_pkt_out);
156	}
157	if (!banner_printed)
158		printf("\nIPv6 Multicast Interface Table is empty\n");
159
160	len = sizeof(mf6ctable);
161	if (live) {
162		if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len,
163		    NULL, 0) < 0) {
164			warn("sysctl: net.inet6.ip6.mf6ctable");
165			return;
166		}
167	} else
168		kread(mfcaddr, (char *)mf6ctable, sizeof(mf6ctable));
169
170	banner_printed = 0;
171
172	for (i = 0; i < MF6CTBLSIZ; ++i) {
173		mfcp = mf6ctable[i];
174		while(mfcp) {
175			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
176			if (!banner_printed) {
177				printf ("\nIPv6 Multicast Forwarding Cache\n");
178				printf(" %-*.*s %-*.*s %s",
179				       WID_ORG, WID_ORG, "Origin",
180				       WID_GRP, WID_GRP, "Group",
181				       "  Packets Waits In-Mif  Out-Mifs\n");
182				banner_printed = 1;
183			}
184
185			printf(" %-*.*s", WID_ORG, WID_ORG,
186			       routename6(&mfc.mf6c_origin));
187			printf(" %-*.*s", WID_GRP, WID_GRP,
188			       routename6(&mfc.mf6c_mcastgrp));
189			printf(" %9ju", (uintmax_t)mfc.mf6c_pkt_cnt);
190
191			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
192				waitings++;
193				/* XXX KVM */
194				kread((u_long)rtep, (char *)&rte, sizeof(rte));
195				rtep = rte.next;
196			}
197			printf("   %3ld", waitings);
198
199			if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
200				printf(" ---   ");
201			else
202				printf("  %3d   ", mfc.mf6c_parent);
203			for (mifi = 0; mifi <= maxmif; mifi++) {
204				if (IF_ISSET(mifi, &mfc.mf6c_ifset))
205					printf(" %u", mifi);
206			}
207			printf("\n");
208
209			mfcp = mfc.mf6c_next;
210		}
211	}
212	if (!banner_printed)
213		printf("\nIPv6 Multicast Forwarding Table is empty\n");
214
215	printf("\n");
216	numeric_addr = saved_numeric_addr;
217}
218
219void
220mrt6_stats(u_long mstaddr)
221{
222	struct mrt6stat mrtstat;
223	size_t len = sizeof mrtstat;
224
225	if (live) {
226		if (sysctlbyname("net.inet6.ip6.mrt6stat", &mrtstat, &len,
227		    NULL, 0) < 0) {
228			warn("sysctl: net.inet6.ip6.mrt6stat");
229			return;
230		}
231	} else
232		kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
233
234	printf("IPv6 multicast forwarding:\n");
235
236#define	p(f, m) if (mrtstat.f || sflag <= 1) \
237	printf(m, (uintmax_t)mrtstat.f, plural(mrtstat.f))
238#define	p2(f, m) if (mrtstat.f || sflag <= 1) \
239	printf(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f))
240
241	p(mrt6s_mfc_lookups, "\t%ju multicast forwarding cache lookup%s\n");
242	p2(mrt6s_mfc_misses, "\t%ju multicast forwarding cache miss%s\n");
243	p(mrt6s_upcalls, "\t%ju upcall%s to multicast routing daemon\n");
244	p(mrt6s_upq_ovflw, "\t%ju upcall queue overflow%s\n");
245	p(mrt6s_upq_sockfull,
246	    "\t%ju upcall%s dropped due to full socket buffer\n");
247	p(mrt6s_cache_cleanups, "\t%ju cache cleanup%s\n");
248	p(mrt6s_no_route, "\t%ju datagram%s with no route for origin\n");
249	p(mrt6s_bad_tunnel, "\t%ju datagram%s arrived with bad tunneling\n");
250	p(mrt6s_cant_tunnel, "\t%ju datagram%s could not be tunneled\n");
251	p(mrt6s_wrong_if, "\t%ju datagram%s arrived on wrong interface\n");
252	p(mrt6s_drop_sel, "\t%ju datagram%s selectively dropped\n");
253	p(mrt6s_q_overflow,
254	    "\t%ju datagram%s dropped due to queue overflow\n");
255	p(mrt6s_pkt2large, "\t%ju datagram%s dropped for being too large\n");
256
257#undef	p2
258#undef	p
259}
260#endif /*INET6*/
261