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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
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
/*
* 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 <sys/time.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/igmp.h>
#include <net/route.h>
#include <netinet/ip_mroute.h>
#include <stdio.h>
#include <stdlib.h>
#include "netstat.h"
void
mroutepr(mfcaddr, vifaddr)
u_long mfcaddr, vifaddr;
{
struct mfc *mfctable[MFCTBLSIZ];
struct vif viftable[MAXVIFS];
struct mfc mfc, *m;
register struct vif *v;
register vifi_t vifi;
register int i;
register int banner_printed;
register int saved_nflag;
vifi_t maxvif = 0;
if (mfcaddr == 0 || vifaddr == 0) {
printf("No IPv4 multicast routing compiled into this system.\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",
/* opposite math of add_vif() */
vifi, v->v_threshold, v->v_rate_limit * 1000 / 1024,
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 *)&mfc, sizeof mfc);
if (!banner_printed) {
printf("\nIPv4 Multicast Forwarding Cache\n"
" Origin Group "
" Packets In-Vif Out-Vifs:Ttls\n");
banner_printed = 1;
}
printf(" %-15.15s", routename(mfc.mfc_origin.s_addr));
printf(" %-15.15s", routename(mfc.mfc_mcastgrp.s_addr));
printf(" %9lu", mfc.mfc_pkt_cnt);
printf(" %3d ", mfc.mfc_parent);
for (vifi = 0; vifi <= maxvif; vifi++) {
if (mfc.mfc_ttls[vifi] > 0)
printf(" %u:%u", vifi,
mfc.mfc_ttls[vifi]);
}
printf("\n");
m = mfc.mfc_next;
}
}
if (!banner_printed)
printf("\nMulticast Routing Table is empty\n");
printf("\n");
nflag = saved_nflag;
}
void
mrt_stats(mstaddr)
u_long mstaddr;
{
struct mrtstat mrtstat;
if (mstaddr == 0) {
printf("No IPv4 multicast routing compiled into this system.\n");
return;
}
kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
printf("IPv4 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));
}
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