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- /*
- * Copyright (c) 1989 Stephen Deering
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Stephen Deering of Stanford University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)mroute.c 8.2 (Berkeley) 4/28/95
- */
-
- /*
- * Print DVMRP multicast routing structures and statistics.
- *
- * MROUTING 1.0
- */
-
- #include <sys/param.h>
- #include <sys/queue.h>
- #include <sys/socket.h>
- #include <sys/socketvar.h>
- #include <sys/protosw.h>
- #include <sys/mbuf.h>
-
- #include <net/if.h>
- #include <netinet/in.h>
- #include <netinet/igmp.h>
- #include <net/route.h>
- #define KERNEL 1 /* XXX bogus! */
- #include <netinet/ip_mroute.h>
- #undef KERNEL
-
- #include <stdio.h>
- #include <stdlib.h>
- #include "netstat.h"
-
- void
- mroutepr(mrpaddr, mfcaddr, vifaddr)
- u_long mrpaddr, mfcaddr, vifaddr;
- {
- u_int mrtproto;
- struct mbuf *mfctable[MFCTBLSIZ];
- struct vif viftable[MAXVIFS];
- struct mbuf mb, *m;
- struct mfc smfc;
- register struct vif *v;
- register vifi_t vifi;
- register int i;
- register int banner_printed;
- register int saved_nflag;
- vifi_t maxvif = 0;
-
- if (mrpaddr == 0) {
- printf("ip_mrtproto: symbol not in namelist\n");
- return;
- }
-
- kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
- switch (mrtproto) {
-
- case 0:
- printf("no multicast routing compiled into this system\n");
- return;
-
- case IGMP_DVMRP:
- break;
-
- default:
- printf("multicast routing protocol %u, unknown\n", mrtproto);
- return;
- }
-
- if (mfcaddr == 0) {
- printf("mfctable: symbol not in namelist\n");
- return;
- }
- if (vifaddr == 0) {
- printf("viftable: symbol not in namelist\n");
- return;
- }
-
- saved_nflag = nflag;
- nflag = 1;
-
- kread(vifaddr, (char *)&viftable, sizeof(viftable));
- banner_printed = 0;
- for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) {
- if (v->v_lcl_addr.s_addr == 0)
- continue;
-
- maxvif = vifi;
- if (!banner_printed) {
- printf("\nVirtual Interface Table\n"
- " Vif Thresh Rate Local-Address "
- "Remote-Address Pkts-In Pkts-Out\n");
- banner_printed = 1;
- }
-
- printf(" %2u %6u %4d %-15.15s",
- vifi, v->v_threshold, v->v_rate_limit,
- routename(v->v_lcl_addr.s_addr));
- printf(" %-15.15s", (v->v_flags & VIFF_TUNNEL) ?
- routename(v->v_rmt_addr.s_addr) : "");
-
- printf(" %9lu %9lu\n", v->v_pkt_in, v->v_pkt_out);
- }
- if (!banner_printed)
- printf("\nVirtual Interface Table is empty\n");
-
- kread(mfcaddr, (char *)&mfctable, sizeof(mfctable));
- banner_printed = 0;
- for (i = 0; i < MFCTBLSIZ; ++i) {
- m = mfctable[i];
- while(m) {
- kread((u_long)m, (char *)&mb, sizeof mb);
- m = &mb;
-
- if (!banner_printed) {
- printf("\nMulticast Forwarding Cache\n"
- " Origin Group "
- " Packets In-Vif Out-Vifs:Ttls\n");
- banner_printed = 1;
- }
-
- kread((u_long)mtod(m, char *),
- (char *)&smfc, sizeof smfc);
- printf(" %-15.15s", routename(smfc.mfc_origin.s_addr));
- printf(" %-15.15s", routename(smfc.mfc_mcastgrp.s_addr));
- printf(" %9lu", smfc.mfc_pkt_cnt);
- printf(" %3d ", smfc.mfc_parent);
- for (vifi = 0; vifi <= maxvif; vifi++) {
- if (smfc.mfc_ttls[vifi] > 0)
- printf(" %u:%u", vifi,
- smfc.mfc_ttls[vifi]);
- }
- printf("\n");
- m = m->m_act;
- }
- }
- if (!banner_printed)
- printf("\nMulticast Routing Table is empty\n");
-
- printf("\n");
- nflag = saved_nflag;
- }
-
-
- void
- mrt_stats(mrpaddr, mstaddr)
- u_long mrpaddr, mstaddr;
- {
- u_int mrtproto;
- struct mrtstat mrtstat;
-
- if(mrpaddr == 0) {
- printf("ip_mrtproto: symbol not in namelist\n");
- return;
- }
-
- kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
- switch (mrtproto) {
- case 0:
- printf("no multicast routing compiled into this system\n");
- return;
-
- case IGMP_DVMRP:
- break;
-
- default:
- printf("multicast routing protocol %u, unknown\n", mrtproto);
- return;
- }
-
- if (mstaddr == 0) {
- printf("mrtstat: symbol not in namelist\n");
- return;
- }
-
- kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
- printf("multicast forwarding:\n");
- printf(" %10lu multicast forwarding cache lookup%s\n",
- mrtstat.mrts_mfc_lookups, plural(mrtstat.mrts_mfc_lookups));
- printf(" %10lu multicast forwarding cache miss%s\n",
- mrtstat.mrts_mfc_misses, plurales(mrtstat.mrts_mfc_misses));
- printf(" %10lu upcall%s to mrouted\n",
- mrtstat.mrts_upcalls, plural(mrtstat.mrts_upcalls));
- printf(" %10lu upcall queue overflow%s\n",
- mrtstat.mrts_upq_ovflw, plural(mrtstat.mrts_upq_ovflw));
- printf(" %10lu upcall%s dropped due to full socket buffer\n",
- mrtstat.mrts_upq_sockfull, plural(mrtstat.mrts_upq_sockfull));
- printf(" %10lu cache cleanup%s\n",
- mrtstat.mrts_cache_cleanups, plural(mrtstat.mrts_cache_cleanups));
- printf(" %10lu datagram%s with no route for origin\n",
- mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route));
- printf(" %10lu datagram%s arrived with bad tunneling\n",
- mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel));
- printf(" %10lu datagram%s could not be tunneled\n",
- mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel));
- printf(" %10lu datagram%s arrived on wrong interface\n",
- mrtstat.mrts_wrong_if, plural(mrtstat.mrts_wrong_if));
- printf(" %10lu datagram%s selectively dropped\n",
- mrtstat.mrts_drop_sel, plural(mrtstat.mrts_drop_sel));
- printf(" %10lu datagram%s dropped due to queue overflow\n",
- mrtstat.mrts_q_overflow, plural(mrtstat.mrts_q_overflow));
- printf(" %10lu datagram%s dropped for being too large\n",
- mrtstat.mrts_pkt2large, plural(mrtstat.mrts_pkt2large));
- }
-