1/*	$NetBSD: mroute6.c,v 1.16 2022/09/01 10:10:20 msaitoh Exp $	*/
2
3/*
4 * Copyright (C) 1998 WIDE Project.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the project nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32/*
33 * Copyright (c) 1992, 1993
34 *	The Regents of the University of California.  All rights reserved.
35 *
36 * This code is derived from software contributed to Berkeley by
37 * Stephen Deering of Stanford University.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 *    notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 *    notice, this list of conditions and the following disclaimer in the
46 *    documentation and/or other materials provided with the distribution.
47 * 3. Neither the name of the University nor the names of its contributors
48 *    may be used to endorse or promote products derived from this software
49 *    without specific prior written permission.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 * SUCH DAMAGE.
62 *
63 *	@(#)mroute.c	8.2 (Berkeley) 4/28/95
64 */
65
66/*
67 * Copyright (c) 1989 Stephen Deering
68 *
69 * This code is derived from software contributed to Berkeley by
70 * Stephen Deering of Stanford University.
71 *
72 * Redistribution and use in source and binary forms, with or without
73 * modification, are permitted provided that the following conditions
74 * are met:
75 * 1. Redistributions of source code must retain the above copyright
76 *    notice, this list of conditions and the following disclaimer.
77 * 2. Redistributions in binary form must reproduce the above copyright
78 *    notice, this list of conditions and the following disclaimer in the
79 *    documentation and/or other materials provided with the distribution.
80 * 3. All advertising materials mentioning features or use of this software
81 *    must display the following acknowledgement:
82 *	This product includes software developed by the University of
83 *	California, Berkeley and its contributors.
84 * 4. Neither the name of the University nor the names of its contributors
85 *    may be used to endorse or promote products derived from this software
86 *    without specific prior written permission.
87 *
88 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
89 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
90 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
91 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
92 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
93 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
94 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
95 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
96 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
97 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
98 * SUCH DAMAGE.
99 *
100 *	@(#)mroute.c	8.2 (Berkeley) 4/28/95
101 */
102
103#include <sys/param.h>
104#include <sys/queue.h>
105#include <sys/socket.h>
106#include <sys/socketvar.h>
107#include <sys/protosw.h>
108
109#include <net/if.h>
110
111#include <netinet/in.h>
112
113#define _KERNEL 1
114#include <netinet6/ip6_mroute.h>
115#undef _KERNEL
116
117#include <stdio.h>
118#include <kvm.h>
119#include "netstat.h"
120#include "rtutil.h"
121
122#ifdef INET6
123
124/* Width of origin column */
125#define	WID_ORG	(lflag ? 39 : (numeric_addr ? 29 : 18))
126/* Width of group column */
127#define	WID_GRP	(lflag ? 18 : (numeric_addr ? 16 : 18))
128
129void
130mroute6pr(u_long mrpaddr, u_long mfcaddr, u_long mifaddr)
131{
132	u_int mrtproto;
133	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
134	struct mif6 mif6table[MAXMIFS];
135	struct mf6c mfc;
136	struct rtdetq rte, *rtep;
137	register struct mif6 *mifp;
138	register mifi_t mifi;
139	register int i;
140	register int banner_printed;
141	register int saved_numeric_addr;
142	int waitings;
143
144	if (mrpaddr == 0) {
145		printf("mroute6pr: symbol not in namelist\n");
146		return;
147	}
148
149	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
150	switch (mrtproto) {
151	case 0:
152		printf("no IPv6 multicast routing compiled into this system\n");
153		return;
154
155	case IPPROTO_PIM:
156		break;
157
158	default:
159		printf("IPv6 multicast routing protocol %u, unknown\n",
160		    mrtproto);
161		return;
162	}
163
164	if (mfcaddr == 0) {
165		printf("mf6ctable: symbol not in namelist\n");
166		return;
167	}
168	if (mifaddr == 0) {
169		printf("miftable: symbol not in namelist\n");
170		return;
171	}
172
173	saved_numeric_addr = numeric_addr;
174	numeric_addr = 1;
175
176	kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
177	banner_printed = 0;
178	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
179		struct ifnet ifnet;
180		char ifname[IFNAMSIZ];
181
182		if (mifp->m6_ifp == NULL)
183			continue;
184
185		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
186		if (!banner_printed) {
187			printf("\nIPv6 Multicast Interface Table\n"
188			    " Mif   Rate   PhyIF   Pkts-In   Pkts-Out\n");
189			banner_printed = 1;
190		}
191
192		printf("  %2u   %4d", mifi, mifp->m6_rate_limit);
193		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
194		    "reg0" : if_indextoname(ifnet.if_index, ifname));
195
196		printf(" %9llu  %9llu\n", (unsigned long long)mifp->m6_pkt_in,
197		    (unsigned long long)mifp->m6_pkt_out);
198	}
199	if (!banner_printed)
200		printf("\nIPv6 Multicast Interface Table is empty\n");
201
202	kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
203	banner_printed = 0;
204	for (i = 0; i < MF6CTBLSIZ; ++i) {
205		mfcp = mf6ctable[i];
206		while (mfcp) {
207			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
208			if (!banner_printed) {
209				printf ("\nIPv6 Multicast Forwarding Cache\n");
210				printf(" %-*.*s %-*.*s %s",
211				    WID_ORG, WID_ORG, "Origin",
212				    WID_GRP, WID_GRP, "Group",
213				    "  Packets Waits In-Mif  Out-Mifs\n");
214				banner_printed = 1;
215			}
216
217			printf(" %-*.*s", WID_ORG, WID_ORG,
218			    routename6(&mfc.mf6c_origin, nflag));
219			printf(" %-*.*s", WID_GRP, WID_GRP,
220			    routename6(&mfc.mf6c_mcastgrp, nflag));
221			printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
222
223			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
224				waitings++;
225				kread((u_long)rtep, (char *)&rte, sizeof(rte));
226				rtep = rte.next;
227			}
228			printf("   %3d", waitings);
229
230			if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
231				printf("  ---   ");
232			else
233				printf("  %3d   ", mfc.mf6c_parent);
234			for (mifi = 0; mifi <= MAXMIFS; mifi++) {
235				if (IF_ISSET(mifi, &mfc.mf6c_ifset))
236					printf(" %u", mifi);
237			}
238			printf("\n");
239
240			mfcp = mfc.mf6c_next;
241		}
242	}
243	if (!banner_printed)
244		printf("\nIPv6 Multicast Routing Table is empty\n");
245
246	printf("\n");
247	numeric_addr = saved_numeric_addr;
248}
249
250void
251mrt6_stats(u_long mrpaddr, u_long mstaddr)
252{
253#define	p(f, m) printf(m, (unsigned long long)mrtstat.f, plural(mrtstat.f))
254#define	pes(f, m) printf(m, (unsigned long long)mrtstat.f, plurales(mrtstat.f))
255	u_int mrtproto;
256	struct mrt6stat mrtstat;
257
258	if (mrpaddr == 0) {
259		printf("mrt6_stats: symbol not in namelist\n");
260		return;
261	}
262
263	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
264	switch (mrtproto) {
265	case 0:
266		printf("no IPv6 multicast routing compiled into this system\n");
267		return;
268
269	case IPPROTO_PIM:
270		break;
271
272	default:
273		printf("IPv6 multicast routing protocol %u, unknown\n",
274			mrtproto);
275		return;
276	}
277
278	if (mstaddr == 0) {
279		printf("mrt6_stats: symbol not in namelist\n");
280		return;
281	}
282
283	kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
284	printf("multicast forwarding:\n");
285	p(mrt6s_mfc_lookups, " %10llu multicast forwarding cache lookup%s\n");
286	pes(mrt6s_mfc_misses, " %10llu multicast forwarding cache miss%s\n");
287	p(mrt6s_upcalls, " %10llu upcall%s to mrouted\n");
288	p(mrt6s_upq_ovflw, " %10llu upcall queue overflow%s\n");
289	p(mrt6s_upq_sockfull,
290	    " %10llu upcall%s dropped due to full socket buffer\n");
291	p(mrt6s_cache_cleanups, " %10llu cache cleanup%s\n");
292	p(mrt6s_no_route, " %10llu datagram%s with no route for origin\n");
293	p(mrt6s_bad_tunnel, " %10llu datagram%s arrived with bad tunneling\n");
294	p(mrt6s_cant_tunnel, " %10llu datagram%s could not be tunneled\n");
295	p(mrt6s_wrong_if, " %10llu datagram%s arrived on wrong interface\n");
296	p(mrt6s_drop_sel, " %10llu datagram%s selectively dropped\n");
297	p(mrt6s_q_overflow,
298	    " %10llu datagram%s dropped due to queue overflow\n");
299	p(mrt6s_pkt2large, " %10llu datagram%s dropped for being too large\n");
300#undef p
301#undef pes
302}
303#endif /*INET6*/
304