xref: /minix/usr.bin/netstat/mroute6.c (revision 66dfcc85)
1 /*	$NetBSD: mroute6.c,v 1.15 2014/11/06 21:30:09 christos 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 #define	WID_ORG	(lflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
125 #define	WID_GRP	(lflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
126 
127 void
mroute6pr(u_long mrpaddr,u_long mfcaddr,u_long mifaddr)128 mroute6pr(u_long mrpaddr, u_long mfcaddr, u_long mifaddr)
129 {
130 	u_int mrtproto;
131 	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
132 	struct mif6 mif6table[MAXMIFS];
133 	struct mf6c mfc;
134 	struct rtdetq rte, *rtep;
135 	register struct mif6 *mifp;
136 	register mifi_t mifi;
137 	register int i;
138 	register int banner_printed;
139 	register int saved_numeric_addr;
140 	int waitings;
141 
142 	if (mrpaddr == 0) {
143 		printf("mroute6pr: symbol not in namelist\n");
144 		return;
145 	}
146 
147 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
148 	switch (mrtproto) {
149 	case 0:
150 		printf("no IPv6 multicast routing compiled into this system\n");
151 		return;
152 
153 	case IPPROTO_PIM:
154 		break;
155 
156 	default:
157 		printf("IPv6 multicast routing protocol %u, unknown\n",
158 		    mrtproto);
159 		return;
160 	}
161 
162 	if (mfcaddr == 0) {
163 		printf("mf6ctable: symbol not in namelist\n");
164 		return;
165 	}
166 	if (mifaddr == 0) {
167 		printf("miftable: symbol not in namelist\n");
168 		return;
169 	}
170 
171 	saved_numeric_addr = numeric_addr;
172 	numeric_addr = 1;
173 
174 	kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
175 	banner_printed = 0;
176 	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
177 		struct ifnet ifnet;
178 		char ifname[IFNAMSIZ];
179 
180 		if (mifp->m6_ifp == NULL)
181 			continue;
182 
183 		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
184 		if (!banner_printed) {
185 			printf("\nIPv6 Multicast Interface Table\n"
186 			    " Mif   Rate   PhyIF   Pkts-In   Pkts-Out\n");
187 			banner_printed = 1;
188 		}
189 
190 		printf("  %2u   %4d", mifi, mifp->m6_rate_limit);
191 		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
192 		    "reg0" : if_indextoname(ifnet.if_index, ifname));
193 
194 		printf(" %9llu  %9llu\n", (unsigned long long)mifp->m6_pkt_in,
195 		    (unsigned long long)mifp->m6_pkt_out);
196 	}
197 	if (!banner_printed)
198 		printf("\nIPv6 Multicast Interface Table is empty\n");
199 
200 	kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
201 	banner_printed = 0;
202 	for (i = 0; i < MF6CTBLSIZ; ++i) {
203 		mfcp = mf6ctable[i];
204 		while(mfcp) {
205 			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
206 			if (!banner_printed) {
207 				printf ("\nIPv6 Multicast Forwarding Cache\n");
208 				printf(" %-*.*s %-*.*s %s",
209 				    WID_ORG, WID_ORG, "Origin",
210 				    WID_GRP, WID_GRP, "Group",
211 				    "  Packets Waits In-Mif  Out-Mifs\n");
212 				banner_printed = 1;
213 			}
214 
215 			printf(" %-*.*s", WID_ORG, WID_ORG,
216 			    routename6(&mfc.mf6c_origin, nflag));
217 			printf(" %-*.*s", WID_GRP, WID_GRP,
218 			    routename6(&mfc.mf6c_mcastgrp, nflag));
219 			printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
220 
221 			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
222 				waitings++;
223 				kread((u_long)rtep, (char *)&rte, sizeof(rte));
224 				rtep = rte.next;
225 			}
226 			printf("   %3d", waitings);
227 
228 			if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
229 				printf("  ---   ");
230 			else
231 				printf("  %3d   ", mfc.mf6c_parent);
232 			for (mifi = 0; mifi <= MAXMIFS; mifi++) {
233 				if (IF_ISSET(mifi, &mfc.mf6c_ifset))
234 					printf(" %u", mifi);
235 			}
236 			printf("\n");
237 
238 			mfcp = mfc.mf6c_next;
239 		}
240 	}
241 	if (!banner_printed)
242 		printf("\nIPv6 Multicast Routing Table is empty\n");
243 
244 	printf("\n");
245 	numeric_addr = saved_numeric_addr;
246 }
247 
248 void
mrt6_stats(u_long mrpaddr,u_long mstaddr)249 mrt6_stats(u_long mrpaddr, u_long mstaddr)
250 {
251 #define	p(f, m) printf(m, (unsigned long long)mrtstat.f, plural(mrtstat.f))
252 #define	pes(f, m) printf(m, (unsigned long long)mrtstat.f, plurales(mrtstat.f))
253 	u_int mrtproto;
254 	struct mrt6stat mrtstat;
255 
256 	if (mrpaddr == 0) {
257 		printf("mrt6_stats: symbol not in namelist\n");
258 		return;
259 	}
260 
261 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
262 	switch (mrtproto) {
263 	case 0:
264 		printf("no IPv6 multicast routing compiled into this system\n");
265 		return;
266 
267 	case IPPROTO_PIM:
268 		break;
269 
270 	default:
271 		printf("IPv6 multicast routing protocol %u, unknown\n",
272 			mrtproto);
273 		return;
274 	}
275 
276 	if (mstaddr == 0) {
277 		printf("mrt6_stats: symbol not in namelist\n");
278 		return;
279 	}
280 
281 	kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
282 	printf("multicast forwarding:\n");
283 	p(mrt6s_mfc_lookups, " %10llu multicast forwarding cache lookup%s\n");
284 	pes(mrt6s_mfc_misses, " %10llu multicast forwarding cache miss%s\n");
285 	p(mrt6s_upcalls, " %10llu upcall%s to mrouted\n");
286 	p(mrt6s_upq_ovflw, " %10llu upcall queue overflow%s\n");
287 	p(mrt6s_upq_sockfull,
288 	    " %10llu upcall%s dropped due to full socket buffer\n");
289 	p(mrt6s_cache_cleanups, " %10llu cache cleanup%s\n");
290 	p(mrt6s_no_route, " %10llu datagram%s with no route for origin\n");
291 	p(mrt6s_bad_tunnel, " %10llu datagram%s arrived with bad tunneling\n");
292 	p(mrt6s_cant_tunnel, " %10llu datagram%s could not be tunneled\n");
293 	p(mrt6s_wrong_if, " %10llu datagram%s arrived on wrong interface\n");
294 	p(mrt6s_drop_sel, " %10llu datagram%s selectively dropped\n");
295 	p(mrt6s_q_overflow,
296 	    " %10llu datagram%s dropped due to queue overflow\n");
297 	p(mrt6s_pkt2large, " %10llu datagram%s dropped for being too large\n");
298 #undef p
299 #undef pes
300 }
301 #endif /*INET6*/
302