2 * Copyright (C) 1998 WIDE Project.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
30 * Copyright (c) 1989 Stephen Deering
31 * Copyright (c) 1992, 1993
32 * The Regents of the University of California. All rights reserved.
34 * This code is derived from software contributed to Berkeley by
35 * Stephen Deering of Stanford University.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by the University of
48 * California, Berkeley and its contributors.
49 * 4. Neither the name of the University nor the names of its contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65 * @(#)mroute.c 8.2 (Berkeley) 4/28/95
68 #include <sys/cdefs.h>
69 __FBSDID("$FreeBSD$");
72 #include <sys/param.h>
73 #include <sys/queue.h>
74 #include <sys/socket.h>
75 #include <sys/socketvar.h>
76 #include <sys/sysctl.h>
77 #include <sys/protosw.h>
82 #include <net/if_var.h>
83 #include <net/route.h>
85 #include <netinet/in.h>
96 #include <netinet6/ip6_mroute.h>
102 * kvm(3) bindings for every needed symbol
104 static struct nlist mrl[] = {
105 #define N_MF6CTABLE 0
106 { .n_name = "_mf6ctable" },
107 #define N_MIF6TABLE 1
108 { .n_name = "_mif6table" },
110 { .n_name = "_mrt6stat" },
115 #define WID_ORG (Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
116 #define WID_GRP (Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
121 struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
122 struct mif6 mif6table[MAXMIFS];
124 struct rtdetq rte, *rtep;
126 u_long mfcaddr, mifaddr;
130 int saved_numeric_addr;
136 mfcaddr = mrl[N_MF6CTABLE].n_value;
137 mifaddr = mrl[N_MIF6TABLE].n_value;
139 if (mfcaddr == 0 || mifaddr == 0) {
140 fprintf(stderr, "No IPv6 MROUTING kernel support.\n");
144 len = sizeof(mif6table);
146 if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len,
148 xo_warn("sysctl: net.inet6.ip6.mif6table");
152 kread(mifaddr, (char *)mif6table, sizeof(mif6table));
154 saved_numeric_addr = numeric_addr;
158 for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
160 char ifname[IFNAMSIZ];
162 if (mifp->m6_ifp == NULL)
166 kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
169 if (!banner_printed) {
170 xo_open_list("multicast-interface");
171 xo_emit("\n{T:IPv6 Multicast Interface Table}\n"
172 "{T: Mif Rate PhyIF Pkts-In Pkts-Out}\n");
176 xo_open_instance("multicast-interface");
177 xo_emit(" {:mif/%2u} {:rate-limit/%4d}",
178 mifi, mifp->m6_rate_limit);
179 xo_emit(" {:ifname/%5s}", (mifp->m6_flags & MIFF_REGISTER) ?
180 "reg0" : if_indextoname(ifnet.if_index, ifname));
182 xo_emit(" {:received-packets/%9ju} {:sent-packets/%9ju}\n",
183 (uintmax_t)mifp->m6_pkt_in,
184 (uintmax_t)mifp->m6_pkt_out);
185 xo_close_instance("multicast-interface");
188 xo_open_list("multicast-interface");
190 xo_emit("\n{T:IPv6 Multicast Interface Table is empty}\n");
192 len = sizeof(mf6ctable);
194 if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len,
196 xo_warn("sysctl: net.inet6.ip6.mf6ctable");
200 kread(mfcaddr, (char *)mf6ctable, sizeof(mf6ctable));
204 for (i = 0; i < MF6CTBLSIZ; ++i) {
207 kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
208 if (!banner_printed) {
209 xo_open_list("multicast-forwarding-cache");
211 "{T:IPv6 Multicast Forwarding Cache}\n");
212 xo_emit(" {T:%-*.*s} {T:%-*.*s} {T:%s}",
213 WID_ORG, WID_ORG, "Origin",
214 WID_GRP, WID_GRP, "Group",
215 " Packets Waits In-Mif Out-Mifs\n");
219 xo_open_instance("multicast-forwarding-cache");
221 xo_emit(" {:origin/%-*.*s}", WID_ORG, WID_ORG,
222 routename6(&mfc.mf6c_origin));
223 xo_emit(" {:group/%-*.*s}", WID_GRP, WID_GRP,
224 routename6(&mfc.mf6c_mcastgrp));
225 xo_emit(" {:total-packets/%9ju}",
226 (uintmax_t)mfc.mf6c_pkt_cnt);
228 for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
231 kread((u_long)rtep, (char *)&rte, sizeof(rte));
234 xo_emit(" {:waitings/%3ld}", waitings);
236 if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
239 xo_emit(" {:parent/%3d} ", mfc.mf6c_parent);
241 for (mifi = 0; mifi <= maxmif; mifi++) {
242 if (IF_ISSET(mifi, &mfc.mf6c_ifset))
243 xo_emit(" {l:%u}", mifi);
245 xo_close_list("mif");
248 mfcp = mfc.mf6c_next;
249 xo_close_instance("multicast-forwarding-cache");
253 xo_close_list("multicast-forwarding-cache");
255 xo_emit("\n{T:IPv6 Multicast Forwarding Table is empty}\n");
258 numeric_addr = saved_numeric_addr;
264 struct mrt6stat mrtstat;
266 size_t len = sizeof mrtstat;
269 mstaddr = mrl[N_MRT6STAT].n_value;
272 fprintf(stderr, "No IPv6 MROUTING kernel support.\n");
277 if (sysctlbyname("net.inet6.ip6.mrt6stat", &mrtstat, &len,
279 xo_warn("sysctl: net.inet6.ip6.mrt6stat");
283 kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
285 xo_open_container("multicast-statistics");
286 xo_emit("{T:IPv6 multicast forwarding}:\n");
288 #define p(f, m) if (mrtstat.f || sflag <= 1) \
289 xo_emit(m, (uintmax_t)mrtstat.f, plural(mrtstat.f))
290 #define p2(f, m) if (mrtstat.f || sflag <= 1) \
291 xo_emit(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f))
293 p(mrt6s_mfc_lookups, "\t{:cache-lookups/%ju} "
294 "{N:/multicast forwarding cache lookup%s}\n");
295 p2(mrt6s_mfc_misses, "\t{:cache-misses/%ju} "
296 "{N:/multicast forwarding cache miss%s}\n");
297 p(mrt6s_upcalls, "\t{:upcalls/%ju} "
298 "{N:/upcall%s to multicast routing daemon}\n");
299 p(mrt6s_upq_ovflw, "\t{:upcall-overflows/%ju} "
300 "{N:/upcall queue overflow%s}\n");
301 p(mrt6s_upq_sockfull, "\t{:upcalls-dropped-full-buffer/%ju} "
302 "{N:/upcall%s dropped due to full socket buffer}\n");
303 p(mrt6s_cache_cleanups, "\t{:cache-cleanups/%ju} "
304 "{N:/cache cleanup%s}\n");
305 p(mrt6s_no_route, "\t{:dropped-no-origin/%ju} "
306 "{N:/datagram%s with no route for origin}\n");
307 p(mrt6s_bad_tunnel, "\t{:dropped-bad-tunnel/%ju} "
308 "{N:/datagram%s arrived with bad tunneling}\n");
309 p(mrt6s_cant_tunnel, "\t{:dropped-could-not-tunnel/%ju} "
310 "{N:/datagram%s could not be tunneled}\n");
311 p(mrt6s_wrong_if, "\t{:dropped-wrong-incoming-interface/%ju} "
312 "{N:/datagram%s arrived on wrong interface}\n");
313 p(mrt6s_drop_sel, "\t{:dropped-selectively/%ju} "
314 "{N:/datagram%s selectively dropped}\n");
315 p(mrt6s_q_overflow, "\t{:dropped-queue-overflow/%ju} "
316 "{N:/datagram%s dropped due to queue overflow}\n");
317 p(mrt6s_pkt2large, "\t{:dropped-too-large/%ju} "
318 "{N:/datagram%s dropped for being too large}\n");
322 xo_close_container("multicast-statistics");