xref: /openbsd-src/usr.bin/netstat/mroute6.c (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: mroute6.c,v 1.1 1999/12/08 12:30:17 itojun 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) 1989 Stephen Deering
34  * Copyright (c) 1992, 1993
35  *	The Regents of the University of California.  All rights reserved.
36  *
37  * This code is derived from software contributed to Berkeley by
38  * Stephen Deering of Stanford University.
39  *
40  * Redistribution and use in source and binary forms, with or without
41  * modification, are permitted provided that the following conditions
42  * are met:
43  * 1. Redistributions of source code must retain the above copyright
44  *    notice, this list of conditions and the following disclaimer.
45  * 2. Redistributions in binary form must reproduce the above copyright
46  *    notice, this list of conditions and the following disclaimer in the
47  *    documentation and/or other materials provided with the distribution.
48  * 3. All advertising materials mentioning features or use of this software
49  *    must display the following acknowledgement:
50  *	This product includes software developed by the University of
51  *	California, Berkeley and its contributors.
52  * 4. Neither the name of the University nor the names of its contributors
53  *    may be used to endorse or promote products derived from this software
54  *    without specific prior written permission.
55  *
56  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
57  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
58  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
59  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
60  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
61  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
62  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
63  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
64  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
65  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
66  * SUCH DAMAGE.
67  *
68  *	@(#)mroute.c	8.2 (Berkeley) 4/28/95
69  */
70 
71 #include <sys/param.h>
72 #include <sys/queue.h>
73 #include <sys/socket.h>
74 #include <sys/socketvar.h>
75 #include <sys/protosw.h>
76 
77 #include <net/if.h>
78 
79 #include <netinet/in.h>
80 
81 #define _KERNEL 1
82 #include <netinet6/ip6_mroute.h>
83 #undef _KERNEL
84 
85 #include <stdio.h>
86 #include "netstat.h"
87 
88 #ifdef INET6
89 
90 #define	WID_ORG	(lflag ? 39 : (nflag ? 29 : 18)) /* width of origin column */
91 #define	WID_GRP	(lflag ? 18 : (nflag ? 16 : 18)) /* width of group column */
92 
93 void
94 mroute6pr(mrpaddr, mfcaddr, mifaddr)
95 	u_long mrpaddr, mfcaddr, mifaddr;
96 {
97 	u_int mrtproto;
98 	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
99 	struct mif6 mif6table[MAXMIFS];
100 	struct mf6c mfc;
101 	struct rtdetq rte, *rtep;
102 	register struct mif6 *mifp;
103 	register mifi_t mifi;
104 	register int i;
105 	register int banner_printed;
106 	register int saved_nflag;
107 	mifi_t maxmif = 0;
108 	int waitings;
109 
110 	if (mrpaddr == 0) {
111 		printf("mroute6pr: symbol not in namelist\n");
112 		return;
113 	}
114 
115 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
116 	switch (mrtproto) {
117 
118 	 case 0:
119 		 printf("no IPv6 multicast routing compiled into this system\n");
120 		 return;
121 
122 	 case IPPROTO_PIM:
123 		 break;
124 
125 	 default:
126 		 printf("IPv6 multicast routing protocol %u, unknown\n",
127 			mrtproto);
128 		 return;
129 	}
130 
131 	if (mfcaddr == 0) {
132 		printf("mf6ctable: symbol not in namelist\n");
133 		return;
134 	}
135 	if (mifaddr == 0) {
136 		printf("miftable: symbol not in namelist\n");
137 		return;
138 	}
139 
140 	saved_nflag = nflag;
141 	nflag = 1;
142 
143 	kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
144 	banner_printed = 0;
145 	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
146 		struct ifnet ifnet;
147 		char ifname[IFNAMSIZ];
148 
149 		if (mifp->m6_ifp == NULL)
150 			continue;
151 
152 		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
153 		maxmif = mifi;
154 		if (!banner_printed) {
155 			printf("\nIPv6 Multicast Interface Table\n"
156 			       " Mif   Rate   PhyIF   "
157 			       "Pkts-In   Pkts-Out\n");
158 			banner_printed = 1;
159 		}
160 
161 		printf("  %2u   %4d",
162 		       mifi, mifp->m6_rate_limit);
163 		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
164 		       "reg0" : if_indextoname(ifnet.if_index, ifname));
165 
166 		printf(" %9qu  %9qu\n", mifp->m6_pkt_in, mifp->m6_pkt_out);
167 	}
168 	if (!banner_printed)
169 		printf("\nIPv6 Multicast Interface Table is empty\n");
170 
171 	kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
172 	banner_printed = 0;
173 	for (i = 0; i < MF6CTBLSIZ; ++i) {
174 		mfcp = mf6ctable[i];
175 		while(mfcp) {
176 			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
177 			if (!banner_printed) {
178 				printf ("\nIPv6 Multicast Forwarding Cache\n");
179 				printf(" %-*.*s %-*.*s %s",
180 				       WID_ORG, WID_ORG, "Origin",
181 				       WID_GRP, WID_GRP, "Group",
182 				       "  Packets Waits In-Mif  Out-Mifs\n");
183 				banner_printed = 1;
184 			}
185 
186 			printf(" %-*.*s", WID_ORG, WID_ORG,
187 			       routename6(&mfc.mf6c_origin));
188 			printf(" %-*.*s", WID_GRP, WID_GRP,
189 			       routename6(&mfc.mf6c_mcastgrp));
190 			printf(" %9qu", mfc.mf6c_pkt_cnt);
191 
192 			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
193 				waitings++;
194 				kread((u_long)rtep, (char *)&rte, sizeof(rte));
195 				rtep = rte.next;
196 			}
197 			printf("   %3d", 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 <= MAXMIFS; 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 Routing Table is empty\n");
214 
215 	printf("\n");
216 	nflag = saved_nflag;
217 }
218 
219 void
220 mrt6_stats(mrpaddr, mstaddr)
221 	u_long mrpaddr, mstaddr;
222 {
223 	u_int mrtproto;
224 	struct mrt6stat mrtstat;
225 
226 	if(mrpaddr == 0) {
227 		printf("mrt6_stats: symbol not in namelist\n");
228 		return;
229 	}
230 
231 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
232 	switch (mrtproto) {
233 	 case 0:
234 		 printf("no IPv6 multicast routing compiled into this system\n");
235 		 return;
236 
237 	 case IPPROTO_PIM:
238 		 break;
239 
240 	 default:
241 		 printf("IPv6 multicast routing protocol %u, unknown\n",
242 			mrtproto);
243 		 return;
244 	}
245 
246 	if (mstaddr == 0) {
247 		printf("mrt6_stats: symbol not in namelist\n");
248 		return;
249 	}
250 
251 	kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
252 	printf("multicast forwarding:\n");
253 	printf(" %10qu multicast forwarding cache lookup%s\n",
254 	       mrtstat.mrt6s_mfc_lookups, plural(mrtstat.mrt6s_mfc_lookups));
255 	printf(" %10qu multicast forwarding cache miss%s\n",
256 	       mrtstat.mrt6s_mfc_misses, plurales(mrtstat.mrt6s_mfc_misses));
257 	printf(" %10qu upcall%s to mrouted\n",
258 	       mrtstat.mrt6s_upcalls, plural(mrtstat.mrt6s_upcalls));
259 	printf(" %10qu upcall queue overflow%s\n",
260 	  mrtstat.mrt6s_upq_ovflw, plural(mrtstat.mrt6s_upq_ovflw));
261 	printf(" %10qu upcall%s dropped due to full socket buffer\n",
262 	  mrtstat.mrt6s_upq_sockfull, plural(mrtstat.mrt6s_upq_sockfull));
263 	printf(" %10qu cache cleanup%s\n",
264 	  mrtstat.mrt6s_cache_cleanups, plural(mrtstat.mrt6s_cache_cleanups));
265 	printf(" %10qu datagram%s with no route for origin\n",
266 	  mrtstat.mrt6s_no_route, plural(mrtstat.mrt6s_no_route));
267 	printf(" %10qu datagram%s arrived with bad tunneling\n",
268 	  mrtstat.mrt6s_bad_tunnel, plural(mrtstat.mrt6s_bad_tunnel));
269 	printf(" %10qu datagram%s could not be tunneled\n",
270 	  mrtstat.mrt6s_cant_tunnel, plural(mrtstat.mrt6s_cant_tunnel));
271 	printf(" %10qu datagram%s arrived on wrong interface\n",
272 	  mrtstat.mrt6s_wrong_if, plural(mrtstat.mrt6s_wrong_if));
273 	printf(" %10qu datagram%s selectively dropped\n",
274 	  mrtstat.mrt6s_drop_sel, plural(mrtstat.mrt6s_drop_sel));
275 	printf(" %10qu datagram%s dropped due to queue overflow\n",
276 	  mrtstat.mrt6s_q_overflow, plural(mrtstat.mrt6s_q_overflow));
277 	printf(" %10qu datagram%s dropped for being too large\n",
278 	  mrtstat.mrt6s_pkt2large, plural(mrtstat.mrt6s_pkt2large));
279 }
280 #endif /*INET6*/
281