xref: /freebsd/usr.bin/netstat/mroute6.c (revision 588ff6c0cc9aaf10ba19080d9f8acbd8be36abf3)
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  */
68 
69 #include <sys/cdefs.h>
70 __FBSDID("$FreeBSD$");
71 
72 #ifdef INET6
73 #include <sys/param.h>
74 #include <sys/queue.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
77 #include <sys/protosw.h>
78 
79 #include <net/if.h>
80 #include <net/if_var.h>
81 #include <net/route.h>
82 
83 #include <netinet/in.h>
84 
85 #include <stdint.h>
86 #include <stdio.h>
87 
88 #define	KERNEL 1
89 #include <netinet6/ip6_mroute.h>
90 #undef KERNEL
91 
92 #include "netstat.h"
93 
94 #define	WID_ORG	(Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
95 #define	WID_GRP	(Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
96 
97 void
98 mroute6pr(u_long mfcaddr, u_long mifaddr)
99 {
100 	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
101 	struct mif6 mif6table[MAXMIFS];
102 	struct mf6c mfc;
103 	struct rtdetq rte, *rtep;
104 	struct mif6 *mifp;
105 	mifi_t mifi;
106 	int i;
107 	int banner_printed;
108 	int saved_numeric_addr;
109 	mifi_t maxmif = 0;
110 	long int waitings;
111 
112 	/* XXX: sysctl not yet implemented for mif6table. */
113 	if (mfcaddr == 0 || mifaddr == 0) {
114 		printf("No IPv6 multicast forwarding configured in the "
115 		    "running system.\n");
116 		return;
117 	}
118 
119 	saved_numeric_addr = numeric_addr;
120 	numeric_addr = 1;
121 
122 	kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
123 	banner_printed = 0;
124 	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
125 		struct ifnet ifnet;
126 		char ifname[IFNAMSIZ];
127 
128 		if (mifp->m6_ifp == NULL)
129 			continue;
130 
131 		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
132 		maxmif = mifi;
133 		if (!banner_printed) {
134 			printf("\nIPv6 Multicast Interface Table\n"
135 			       " Mif   Rate   PhyIF   "
136 			       "Pkts-In   Pkts-Out\n");
137 			banner_printed = 1;
138 		}
139 
140 		printf("  %2u   %4d",
141 		       mifi, mifp->m6_rate_limit);
142 		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
143 		       "reg0" : if_indextoname(ifnet.if_index, ifname));
144 
145 		printf(" %9ju  %9ju\n", (uintmax_t)mifp->m6_pkt_in,
146 		    (uintmax_t)mifp->m6_pkt_out);
147 	}
148 	if (!banner_printed)
149 		printf("\nIPv6 Multicast Interface Table is empty\n");
150 
151 	/* XXX: sysctl not yet implemented for mf6ctable. */
152 	kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
153 	banner_printed = 0;
154 	for (i = 0; i < MF6CTBLSIZ; ++i) {
155 		mfcp = mf6ctable[i];
156 		while(mfcp) {
157 			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
158 			if (!banner_printed) {
159 				printf ("\nIPv6 Multicast Forwarding Cache\n");
160 				printf(" %-*.*s %-*.*s %s",
161 				       WID_ORG, WID_ORG, "Origin",
162 				       WID_GRP, WID_GRP, "Group",
163 				       "  Packets Waits In-Mif  Out-Mifs\n");
164 				banner_printed = 1;
165 			}
166 
167 			printf(" %-*.*s", WID_ORG, WID_ORG,
168 			       routename6(&mfc.mf6c_origin));
169 			printf(" %-*.*s", WID_GRP, WID_GRP,
170 			       routename6(&mfc.mf6c_mcastgrp));
171 			printf(" %9ju", (uintmax_t)mfc.mf6c_pkt_cnt);
172 
173 			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
174 				waitings++;
175 				kread((u_long)rtep, (char *)&rte, sizeof(rte));
176 				rtep = rte.next;
177 			}
178 			printf("   %3ld", waitings);
179 
180 			if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
181 				printf(" ---   ");
182 			else
183 				printf("  %3d   ", mfc.mf6c_parent);
184 			for (mifi = 0; mifi <= maxmif; mifi++) {
185 				if (IF_ISSET(mifi, &mfc.mf6c_ifset))
186 					printf(" %u", mifi);
187 			}
188 			printf("\n");
189 
190 			mfcp = mfc.mf6c_next;
191 		}
192 	}
193 	if (!banner_printed)
194 		printf("\nIPv6 Multicast Routing Table is empty\n");
195 
196 	printf("\n");
197 	numeric_addr = saved_numeric_addr;
198 }
199 
200 void
201 mrt6_stats(u_long mstaddr)
202 {
203 	struct mrt6stat mrtstat;
204 
205 	/* XXX: sysctl not yet implemented for mrt6stat. */
206 	if (mstaddr == 0) {
207 		printf("No IPv6 multicast forwarding configured in the "
208 		    "running system.\n");
209 		return;
210 	}
211 
212 	kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
213 	printf("IPv6 multicast forwarding:\n");
214 
215 #define	p(f, m) if (mrtstat.f || sflag <= 1) \
216 	printf(m, (uintmax_t)mrtstat.f, plural(mrtstat.f))
217 #define	p2(f, m) if (mrtstat.f || sflag <= 1) \
218 	printf(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f))
219 
220 	p(mrt6s_mfc_lookups, "\t%ju multicast forwarding cache lookup%s\n");
221 	p2(mrt6s_mfc_misses, "\t%ju multicast forwarding cache miss%s\n");
222 	p(mrt6s_upcalls, "\t%ju upcall%s to multicast routing daemon\n");
223 	p(mrt6s_upq_ovflw, "\t%ju upcall queue overflow%s\n");
224 	p(mrt6s_upq_sockfull,
225 	    "\t%ju upcall%s dropped due to full socket buffer\n");
226 	p(mrt6s_cache_cleanups, "\t%ju cache cleanup%s\n");
227 	p(mrt6s_no_route, "\t%ju datagram%s with no route for origin\n");
228 	p(mrt6s_bad_tunnel, "\t%ju datagram%s arrived with bad tunneling\n");
229 	p(mrt6s_cant_tunnel, "\t%ju datagram%s could not be tunneled\n");
230 	p(mrt6s_wrong_if, "\t%ju datagram%s arrived on wrong interface\n");
231 	p(mrt6s_drop_sel, "\t%ju datagram%s selectively dropped\n");
232 	p(mrt6s_q_overflow,
233 	    "\t%ju datagram%s dropped due to queue overflow\n");
234 	p(mrt6s_pkt2large, "\t%ju datagram%s dropped for being too large\n");
235 
236 #undef	p2
237 #undef	p
238 }
239 #endif /*INET6*/
240