xref: /openbsd-src/usr.bin/netstat/mroute6.c (revision db3296cf5c1dd9058ceecc3a29fe4aaa0bd26000)
1 /*	$OpenBSD: mroute6.c,v 1.7 2003/06/03 02:56:13 millert 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. Neither the name of the University nor the names of its contributors
49  *    may be used to endorse or promote products derived from this software
50  *    without specific prior written permission.
51  *
52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62  * SUCH DAMAGE.
63  *
64  *	@(#)mroute.c	8.2 (Berkeley) 4/28/95
65  */
66 
67 #include <sys/param.h>
68 #include <sys/queue.h>
69 #include <sys/socket.h>
70 #include <sys/socketvar.h>
71 #include <sys/protosw.h>
72 
73 #include <net/if.h>
74 
75 #include <netinet/in.h>
76 
77 #define _KERNEL 1
78 #include <netinet6/ip6_mroute.h>
79 #undef _KERNEL
80 
81 #include <stdio.h>
82 #include "netstat.h"
83 
84 #ifdef INET6
85 
86 #define	WID_ORG	(lflag ? 39 : (nflag ? 29 : 18)) /* width of origin column */
87 #define	WID_GRP	(lflag ? 18 : (nflag ? 16 : 18)) /* width of group column */
88 
89 void
90 mroute6pr(u_long mrpaddr, u_long mfcaddr, u_long mifaddr)
91 {
92 	int banner_printed, saved_nflag, waitings, i;
93 	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
94 	struct mif6 mif6table[MAXMIFS], *mifp;
95 	struct rtdetq rte, *rtep;
96 	mifi_t maxmif = 0, mifi;
97 	struct mf6c mfc;
98 	u_int mrtproto;
99 
100 	if (mrpaddr == 0) {
101 		printf("mroute6pr: symbol not in namelist\n");
102 		return;
103 	}
104 
105 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
106 	switch (mrtproto) {
107 
108 	case 0:
109 		printf("no IPv6 multicast routing compiled into this system\n");
110 		return;
111 
112 	case IPPROTO_PIM:
113 		break;
114 
115 	default:
116 		printf("IPv6 multicast routing protocol %u, unknown\n",
117 		    mrtproto);
118 		return;
119 	}
120 
121 	if (mfcaddr == 0) {
122 		printf("mf6ctable: symbol not in namelist\n");
123 		return;
124 	}
125 	if (mifaddr == 0) {
126 		printf("miftable: symbol not in namelist\n");
127 		return;
128 	}
129 
130 	saved_nflag = nflag;
131 	nflag = 1;
132 
133 	kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
134 	banner_printed = 0;
135 	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
136 		struct ifnet ifnet;
137 		char ifname[IFNAMSIZ];
138 
139 		if (mifp->m6_ifp == NULL)
140 			continue;
141 
142 		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
143 		maxmif = mifi;
144 		if (!banner_printed) {
145 			printf("\nIPv6 Multicast Interface Table\n"
146 			    " Mif   Rate   PhyIF   "
147 			    "Pkts-In   Pkts-Out\n");
148 			banner_printed = 1;
149 		}
150 
151 		printf("  %2u   %4d",
152 		    mifi, mifp->m6_rate_limit);
153 		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
154 		    "reg0" : if_indextoname(ifnet.if_index, ifname));
155 
156 		printf(" %9qu  %9qu\n", mifp->m6_pkt_in, mifp->m6_pkt_out);
157 	}
158 	if (!banner_printed)
159 		printf("\nIPv6 Multicast Interface Table is empty\n");
160 
161 	kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
162 	banner_printed = 0;
163 	for (i = 0; i < MF6CTBLSIZ; ++i) {
164 		mfcp = mf6ctable[i];
165 		while (mfcp) {
166 			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
167 			if (!banner_printed) {
168 				printf ("\nIPv6 Multicast Forwarding Cache\n");
169 				printf(" %-*.*s %-*.*s %s",
170 				    WID_ORG, WID_ORG, "Origin",
171 				    WID_GRP, WID_GRP, "Group",
172 				    "  Packets Waits In-Mif  Out-Mifs\n");
173 				banner_printed = 1;
174 			}
175 
176 			printf(" %-*.*s", WID_ORG, WID_ORG,
177 			    routename6(&mfc.mf6c_origin));
178 			printf(" %-*.*s", WID_GRP, WID_GRP,
179 			    routename6(&mfc.mf6c_mcastgrp));
180 			printf(" %9qu", mfc.mf6c_pkt_cnt);
181 
182 			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
183 				waitings++;
184 				kread((u_long)rtep, (char *)&rte, sizeof(rte));
185 				rtep = rte.next;
186 			}
187 			printf("   %3d", waitings);
188 
189 			if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
190 				printf("  ---   ");
191 			else
192 				printf("  %3d   ", mfc.mf6c_parent);
193 			for (mifi = 0; mifi <= MAXMIFS; mifi++) {
194 				if (IF_ISSET(mifi, &mfc.mf6c_ifset))
195 					printf(" %u", mifi);
196 			}
197 			printf("\n");
198 
199 			mfcp = mfc.mf6c_next;
200 		}
201 	}
202 	if (!banner_printed)
203 		printf("\nIPv6 Multicast Routing Table is empty\n");
204 
205 	printf("\n");
206 	nflag = saved_nflag;
207 }
208 
209 void
210 mrt6_stats(u_long mrpaddr, u_long mstaddr)
211 {
212 	struct mrt6stat mrtstat;
213 	u_int mrtproto;
214 
215 	if (mrpaddr == 0) {
216 		printf("mrt6_stats: symbol not in namelist\n");
217 		return;
218 	}
219 
220 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
221 	switch (mrtproto) {
222 	case 0:
223 		 printf("no IPv6 multicast routing compiled into this system\n");
224 		 return;
225 
226 	case IPPROTO_PIM:
227 		 break;
228 
229 	default:
230 		printf("IPv6 multicast routing protocol %u, unknown\n",
231 		    mrtproto);
232 		return;
233 	}
234 
235 	if (mstaddr == 0) {
236 		printf("mrt6_stats: symbol not in namelist\n");
237 		return;
238 	}
239 
240 	kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
241 	printf("multicast forwarding:\n");
242 	printf(" %10qu multicast forwarding cache lookup%s\n",
243 	    mrtstat.mrt6s_mfc_lookups, plural(mrtstat.mrt6s_mfc_lookups));
244 	printf(" %10qu multicast forwarding cache miss%s\n",
245 	    mrtstat.mrt6s_mfc_misses, plurales(mrtstat.mrt6s_mfc_misses));
246 	printf(" %10qu upcall%s to mrouted\n",
247 	    mrtstat.mrt6s_upcalls, plural(mrtstat.mrt6s_upcalls));
248 	printf(" %10qu upcall queue overflow%s\n",
249 	    mrtstat.mrt6s_upq_ovflw, plural(mrtstat.mrt6s_upq_ovflw));
250 	printf(" %10qu upcall%s dropped due to full socket buffer\n",
251 	    mrtstat.mrt6s_upq_sockfull, plural(mrtstat.mrt6s_upq_sockfull));
252 	printf(" %10qu cache cleanup%s\n",
253 	    mrtstat.mrt6s_cache_cleanups, plural(mrtstat.mrt6s_cache_cleanups));
254 	printf(" %10qu datagram%s with no route for origin\n",
255 	    mrtstat.mrt6s_no_route, plural(mrtstat.mrt6s_no_route));
256 	printf(" %10qu datagram%s arrived with bad tunneling\n",
257 	    mrtstat.mrt6s_bad_tunnel, plural(mrtstat.mrt6s_bad_tunnel));
258 	printf(" %10qu datagram%s could not be tunneled\n",
259 	    mrtstat.mrt6s_cant_tunnel, plural(mrtstat.mrt6s_cant_tunnel));
260 	printf(" %10qu datagram%s arrived on wrong interface\n",
261 	    mrtstat.mrt6s_wrong_if, plural(mrtstat.mrt6s_wrong_if));
262 	printf(" %10qu datagram%s selectively dropped\n",
263 	    mrtstat.mrt6s_drop_sel, plural(mrtstat.mrt6s_drop_sel));
264 	printf(" %10qu datagram%s dropped due to queue overflow\n",
265 	    mrtstat.mrt6s_q_overflow, plural(mrtstat.mrt6s_q_overflow));
266 	printf(" %10qu datagram%s dropped for being too large\n",
267 	    mrtstat.mrt6s_pkt2large, plural(mrtstat.mrt6s_pkt2large));
268 }
269 #endif /*INET6*/
270