xref: /freebsd/usr.bin/netstat/mroute6.c (revision 5521ff5a4d1929056e7ffc982fac3341ca54df7c)
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 /*
31  * Copyright (c) 1989 Stephen Deering
32  * Copyright (c) 1992, 1993
33  *	The Regents of the University of California.  All rights reserved.
34  *
35  * This code is derived from software contributed to Berkeley by
36  * Stephen Deering of Stanford University.
37  *
38  * Redistribution and use in source and binary forms, with or without
39  * modification, are permitted provided that the following conditions
40  * are met:
41  * 1. Redistributions of source code must retain the above copyright
42  *    notice, this list of conditions and the following disclaimer.
43  * 2. Redistributions in binary form must reproduce the above copyright
44  *    notice, this list of conditions and the following disclaimer in the
45  *    documentation and/or other materials provided with the distribution.
46  * 3. All advertising materials mentioning features or use of this software
47  *    must display the following acknowledgement:
48  *	This product includes software developed by the University of
49  *	California, Berkeley and its contributors.
50  * 4. Neither the name of the University nor the names of its contributors
51  *    may be used to endorse or promote products derived from this software
52  *    without specific prior written permission.
53  *
54  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
64  * SUCH DAMAGE.
65  *
66  *	@(#)mroute.c	8.2 (Berkeley) 4/28/95
67  *	$FreeBSD$
68  */
69 
70 #ifdef INET6
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 #include <net/if_var.h>
79 #include <net/route.h>
80 
81 #include <netinet/in.h>
82 
83 #include <stdio.h>
84 
85 #define	KERNEL 1
86 #include <netinet6/ip6_mroute.h>
87 #undef KERNEL
88 
89 #include "netstat.h"
90 
91 #define	WID_ORG	(lflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
92 #define	WID_GRP	(lflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
93 
94 void
95 mroute6pr(u_long mfcaddr, u_long mifaddr)
96 {
97 	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
98 	struct mif6 mif6table[MAXMIFS];
99 	struct mf6c mfc;
100 	struct rtdetq rte, *rtep;
101 	register struct mif6 *mifp;
102 	register mifi_t mifi;
103 	register int i;
104 	register int banner_printed;
105 	register int saved_numeric_addr;
106 	mifi_t maxmif = 0;
107 	long int waitings;
108 
109 	if (mfcaddr == 0 || mifaddr == 0) {
110 		printf("No IPv6 multicast routing compiled into this"
111 		       " system.\n");
112 		return;
113 	}
114 
115 	saved_numeric_addr = numeric_addr;
116 	numeric_addr = 1;
117 
118 	kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
119 	banner_printed = 0;
120 	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
121 		struct ifnet ifnet;
122 		char ifname[IFNAMSIZ];
123 
124 		if (mifp->m6_ifp == NULL)
125 			continue;
126 
127 		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
128 		maxmif = mifi;
129 		if (!banner_printed) {
130 			printf("\nIPv6 Multicast Interface Table\n"
131 			       " Mif   Rate   PhyIF   "
132 			       "Pkts-In   Pkts-Out\n");
133 			banner_printed = 1;
134 		}
135 
136 		printf("  %2u   %4d",
137 		       mifi, mifp->m6_rate_limit);
138 		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
139 		       "reg0" : if_indextoname(ifnet.if_index, ifname));
140 
141 		printf(" %9llu  %9llu\n", (unsigned long long)mifp->m6_pkt_in,
142 		    (unsigned long long)mifp->m6_pkt_out);
143 	}
144 	if (!banner_printed)
145 		printf("\nIPv6 Multicast Interface Table is empty\n");
146 
147 	kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
148 	banner_printed = 0;
149 	for (i = 0; i < MF6CTBLSIZ; ++i) {
150 		mfcp = mf6ctable[i];
151 		while(mfcp) {
152 			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
153 			if (!banner_printed) {
154 				printf ("\nIPv6 Multicast Forwarding Cache\n");
155 				printf(" %-*.*s %-*.*s %s",
156 				       WID_ORG, WID_ORG, "Origin",
157 				       WID_GRP, WID_GRP, "Group",
158 				       "  Packets Waits In-Mif  Out-Mifs\n");
159 				banner_printed = 1;
160 			}
161 
162 			printf(" %-*.*s", WID_ORG, WID_ORG,
163 			       routename6(&mfc.mf6c_origin));
164 			printf(" %-*.*s", WID_GRP, WID_GRP,
165 			       routename6(&mfc.mf6c_mcastgrp));
166 			printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
167 
168 			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
169 				waitings++;
170 				kread((u_long)rtep, (char *)&rte, sizeof(rte));
171 				rtep = rte.next;
172 			}
173 			printf("   %3ld", waitings);
174 
175 			if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
176 				printf(" ---   ");
177 			else
178 				printf("  %3d   ", mfc.mf6c_parent);
179 			for (mifi = 0; mifi <= maxmif; mifi++) {
180 				if (IF_ISSET(mifi, &mfc.mf6c_ifset))
181 					printf(" %u", mifi);
182 			}
183 			printf("\n");
184 
185 			mfcp = mfc.mf6c_next;
186 		}
187 	}
188 	if (!banner_printed)
189 		printf("\nIPv6 Multicast Routing Table is empty\n");
190 
191 	printf("\n");
192 	numeric_addr = saved_numeric_addr;
193 }
194 
195 void
196 mrt6_stats(u_long mstaddr)
197 {
198 	struct mrt6stat mrtstat;
199 
200 	if (mstaddr == 0) {
201 		printf("No IPv6 multicast routing compiled into this"
202 		       "system.\n");
203 		return;
204 	}
205 
206 	kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
207 	printf("IPv6 multicast forwarding:\n");
208 	printf(" %10llu multicast forwarding cache lookup%s\n",
209 	    (unsigned long long)mrtstat.mrt6s_mfc_lookups,
210 	    plural(mrtstat.mrt6s_mfc_lookups));
211 	printf(" %10llu multicast forwarding cache miss%s\n",
212 	    (unsigned long long)mrtstat.mrt6s_mfc_misses,
213 	    plurales(mrtstat.mrt6s_mfc_misses));
214 	printf(" %10llu upcall%s to mrouted\n",
215 	    (unsigned long long)mrtstat.mrt6s_upcalls,
216 	    plural(mrtstat.mrt6s_upcalls));
217 	printf(" %10llu upcall llueue overflow%s\n",
218 	    (unsigned long long)mrtstat.mrt6s_upq_ovflw,
219 	    plural(mrtstat.mrt6s_upq_ovflw));
220 	printf(" %10llu upcall%s dropped due to full socket buffer\n",
221 	    (unsigned long long)mrtstat.mrt6s_upq_sockfull,
222 	    plural(mrtstat.mrt6s_upq_sockfull));
223 	printf(" %10llu cache cleanup%s\n",
224 	    (unsigned long long)mrtstat.mrt6s_cache_cleanups,
225 	    plural(mrtstat.mrt6s_cache_cleanups));
226 	printf(" %10llu datagram%s with no route for origin\n",
227 	    (unsigned long long)mrtstat.mrt6s_no_route,
228 	    plural(mrtstat.mrt6s_no_route));
229 	printf(" %10llu datagram%s arrived with bad tunneling\n",
230 	    (unsigned long long)mrtstat.mrt6s_bad_tunnel,
231 	    plural(mrtstat.mrt6s_bad_tunnel));
232 	printf(" %10llu datagram%s could not be tunneled\n",
233 	    (unsigned long long)mrtstat.mrt6s_cant_tunnel,
234 	    plural(mrtstat.mrt6s_cant_tunnel));
235 	printf(" %10llu datagram%s arrived on wrong interface\n",
236 	    (unsigned long long)mrtstat.mrt6s_wrong_if,
237 	    plural(mrtstat.mrt6s_wrong_if));
238 	printf(" %10llu datagram%s selectively dropped\n",
239 	    (unsigned long long)mrtstat.mrt6s_drop_sel,
240 	    plural(mrtstat.mrt6s_drop_sel));
241 	printf(" %10llu datagram%s dropped due to llueue overflow\n",
242 	    (unsigned long long)mrtstat.mrt6s_q_overflow,
243 	    plural(mrtstat.mrt6s_q_overflow));
244 	printf(" %10llu datagram%s dropped for being too large\n",
245 	    (unsigned long long)mrtstat.mrt6s_pkt2large,
246 	    plural(mrtstat.mrt6s_pkt2large));
247 }
248 #endif /*INET6*/
249