67a451cc89
the kernel; this was left over from the earlier protocol-dependent kernel multicast routing code. Learn how to handle the malloc'd multicast routing table (instead of expecting it to be in mbufs)
188 lines
6.2 KiB
C
188 lines
6.2 KiB
C
/*
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* Copyright (c) 1989 Stephen Deering
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Stephen Deering of Stanford University.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)mroute.c 8.2 (Berkeley) 4/28/95
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*/
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/*
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* Print DVMRP multicast routing structures and statistics.
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*
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* MROUTING 1.0
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*/
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/protosw.h>
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#include <sys/mbuf.h>
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#include <sys/time.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/igmp.h>
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#include <net/route.h>
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#include <netinet/ip_mroute.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "netstat.h"
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void
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mroutepr(mfcaddr, vifaddr)
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u_long mfcaddr, vifaddr;
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{
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u_int mrtproto;
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struct mfc *mfctable[MFCTBLSIZ];
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struct vif viftable[MAXVIFS];
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struct mfc mfc, *m;
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register struct vif *v;
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register vifi_t vifi;
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register int i;
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register int banner_printed;
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register int saved_nflag;
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vifi_t maxvif = 0;
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if (mfcaddr == 0 || vifaddr == 0) {
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printf("No multicast routing compiled into this system.\n");
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return;
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}
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saved_nflag = nflag;
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nflag = 1;
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kread(vifaddr, (char *)&viftable, sizeof(viftable));
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banner_printed = 0;
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for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) {
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if (v->v_lcl_addr.s_addr == 0)
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continue;
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maxvif = vifi;
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if (!banner_printed) {
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printf("\nVirtual Interface Table\n"
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" Vif Thresh Rate Local-Address "
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"Remote-Address Pkts-In Pkts-Out\n");
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banner_printed = 1;
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}
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printf(" %2u %6u %4d %-15.15s",
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/* opposite math of add_vif() */
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vifi, v->v_threshold, v->v_rate_limit * 1000 / 1024,
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routename(v->v_lcl_addr.s_addr));
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printf(" %-15.15s", (v->v_flags & VIFF_TUNNEL) ?
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routename(v->v_rmt_addr.s_addr) : "");
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printf(" %9lu %9lu\n", v->v_pkt_in, v->v_pkt_out);
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}
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if (!banner_printed)
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printf("\nVirtual Interface Table is empty\n");
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kread(mfcaddr, (char *)&mfctable, sizeof(mfctable));
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banner_printed = 0;
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for (i = 0; i < MFCTBLSIZ; ++i) {
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m = mfctable[i];
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while(m) {
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kread((u_long)m, (char *)&mfc, sizeof mfc);
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if (!banner_printed) {
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printf("\nMulticast Forwarding Cache\n"
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" Origin Group "
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" Packets In-Vif Out-Vifs:Ttls\n");
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banner_printed = 1;
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}
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printf(" %-15.15s", routename(mfc.mfc_origin.s_addr));
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printf(" %-15.15s", routename(mfc.mfc_mcastgrp.s_addr));
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printf(" %9lu", mfc.mfc_pkt_cnt);
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printf(" %3d ", mfc.mfc_parent);
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for (vifi = 0; vifi <= maxvif; vifi++) {
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if (mfc.mfc_ttls[vifi] > 0)
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printf(" %u:%u", vifi,
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mfc.mfc_ttls[vifi]);
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}
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printf("\n");
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m = mfc.mfc_next;
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}
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}
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if (!banner_printed)
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printf("\nMulticast Routing Table is empty\n");
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printf("\n");
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nflag = saved_nflag;
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}
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void
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mrt_stats(mstaddr)
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u_long mstaddr;
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{
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struct mrtstat mrtstat;
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if (mstaddr == 0) {
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printf("No multicast routing compiled into this system.\n");
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return;
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}
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kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
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printf("multicast forwarding:\n");
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printf(" %10lu multicast forwarding cache lookup%s\n",
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mrtstat.mrts_mfc_lookups, plural(mrtstat.mrts_mfc_lookups));
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printf(" %10lu multicast forwarding cache miss%s\n",
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mrtstat.mrts_mfc_misses, plurales(mrtstat.mrts_mfc_misses));
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printf(" %10lu upcall%s to mrouted\n",
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mrtstat.mrts_upcalls, plural(mrtstat.mrts_upcalls));
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printf(" %10lu upcall queue overflow%s\n",
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mrtstat.mrts_upq_ovflw, plural(mrtstat.mrts_upq_ovflw));
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printf(" %10lu upcall%s dropped due to full socket buffer\n",
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mrtstat.mrts_upq_sockfull, plural(mrtstat.mrts_upq_sockfull));
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printf(" %10lu cache cleanup%s\n",
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mrtstat.mrts_cache_cleanups, plural(mrtstat.mrts_cache_cleanups));
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printf(" %10lu datagram%s with no route for origin\n",
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mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route));
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printf(" %10lu datagram%s arrived with bad tunneling\n",
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mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel));
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printf(" %10lu datagram%s could not be tunneled\n",
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mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel));
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printf(" %10lu datagram%s arrived on wrong interface\n",
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mrtstat.mrts_wrong_if, plural(mrtstat.mrts_wrong_if));
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printf(" %10lu datagram%s selectively dropped\n",
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mrtstat.mrts_drop_sel, plural(mrtstat.mrts_drop_sel));
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printf(" %10lu datagram%s dropped due to queue overflow\n",
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mrtstat.mrts_q_overflow, plural(mrtstat.mrts_q_overflow));
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printf(" %10lu datagram%s dropped for being too large\n",
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mrtstat.mrts_pkt2large, plural(mrtstat.mrts_pkt2large));
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}
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