399 lines
12 KiB
C
399 lines
12 KiB
C
/* $NetBSD: mroute.c,v 1.19 2004/09/06 14:51:32 martin Exp $ */
|
|
|
|
/*
|
|
* 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. 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.
|
|
*
|
|
* from: @(#)mroute.c 8.1 (Berkeley) 6/6/93
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1989 Stephen Deering
|
|
*
|
|
* 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.
|
|
*
|
|
* from: @(#)mroute.c 8.1 (Berkeley) 6/6/93
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "from: @(#)mroute.c 8.1 (Berkeley) 6/6/93";
|
|
#else
|
|
__RCSID("$NetBSD: mroute.c,v 1.19 2004/09/06 14:51:32 martin Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* Print multicast routing structures and statistics.
|
|
*
|
|
* MROUTING 1.0
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/socketvar.h>
|
|
#include <sys/protosw.h>
|
|
|
|
#include <net/if.h>
|
|
#include <net/route.h>
|
|
#include <netinet/in.h>
|
|
#include <netinet/igmp.h>
|
|
#define _KERNEL
|
|
#include <netinet/ip_mroute.h>
|
|
#undef _KERNEL
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "netstat.h"
|
|
|
|
static char *pktscale __P((u_long));
|
|
static void print_bw_meter __P((struct bw_meter *, int *));
|
|
|
|
static char *
|
|
pktscale(n)
|
|
u_long n;
|
|
{
|
|
static char buf[20];
|
|
char t;
|
|
|
|
if (n < 1024)
|
|
t = ' ';
|
|
else if (n < 1024 * 1024) {
|
|
t = 'k';
|
|
n /= 1024;
|
|
} else {
|
|
t = 'm';
|
|
n /= 1048576;
|
|
}
|
|
|
|
(void)snprintf(buf, sizeof buf, "%lu%c", n, t);
|
|
return (buf);
|
|
}
|
|
|
|
void
|
|
mroutepr(mrpaddr, mfchashtbladdr, mfchashaddr, vifaddr)
|
|
u_long mrpaddr, mfchashtbladdr, mfchashaddr, vifaddr;
|
|
{
|
|
u_int mrtproto;
|
|
LIST_HEAD(, mfc) *mfchashtbl;
|
|
u_long mfchash;
|
|
struct vif viftable[MAXVIFS];
|
|
struct mfc *mfcp, mfc;
|
|
struct vif *v;
|
|
vifi_t vifi;
|
|
int i;
|
|
int banner_printed;
|
|
int saved_numeric_addr;
|
|
int numvifs;
|
|
int nmfc; /* No. of cache entries */
|
|
|
|
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 (mfchashtbladdr == 0) {
|
|
printf("mfchashtbl: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
if (mfchashaddr == 0) {
|
|
printf("mfchash: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
if (vifaddr == 0) {
|
|
printf("viftable: symbol not in namelist\n");
|
|
return;
|
|
}
|
|
|
|
saved_numeric_addr = numeric_addr;
|
|
numeric_addr = 1;
|
|
|
|
kread(vifaddr, (char *)&viftable, sizeof(viftable));
|
|
banner_printed = 0;
|
|
numvifs = 0;
|
|
|
|
for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) {
|
|
if (v->v_lcl_addr.s_addr == 0)
|
|
continue;
|
|
numvifs = vifi;
|
|
|
|
if (!banner_printed) {
|
|
printf("\nVirtual Interface Table\n %s%s",
|
|
"Vif Thresh Limit Local-Address ",
|
|
"Remote-Address Pkt_in Pkt_out\n");
|
|
banner_printed = 1;
|
|
}
|
|
|
|
printf(" %3u %3u %5u %-15.15s",
|
|
vifi, v->v_threshold, v->v_rate_limit,
|
|
routename(v->v_lcl_addr.s_addr));
|
|
printf(" %-15.15s %6lu %7lu\n", (v->v_flags & VIFF_TUNNEL) ?
|
|
routename(v->v_rmt_addr.s_addr) : "",
|
|
v->v_pkt_in, v->v_pkt_out);
|
|
}
|
|
if (!banner_printed)
|
|
printf("\nVirtual Interface Table is empty\n");
|
|
|
|
kread(mfchashtbladdr, (char *)&mfchashtbl, sizeof(mfchashtbl));
|
|
kread(mfchashaddr, (char *)&mfchash, sizeof(mfchash));
|
|
banner_printed = 0;
|
|
nmfc = 0;
|
|
|
|
if (mfchashtbl != 0)
|
|
for (i = 0; i <= mfchash; ++i) {
|
|
kread((u_long)&mfchashtbl[i], (char *)&mfcp, sizeof(mfcp));
|
|
|
|
for (; mfcp != 0; mfcp = mfc.mfc_hash.le_next) {
|
|
if (!banner_printed) {
|
|
printf("\nMulticast Forwarding Cache\n %s%s",
|
|
"Hash Origin Mcastgroup ",
|
|
"Traffic In-Vif Out-Vifs/Forw-ttl\n");
|
|
banner_printed = 1;
|
|
}
|
|
|
|
kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
|
|
printf(" %3u %-15.15s",
|
|
i, routename(mfc.mfc_origin.s_addr));
|
|
printf(" %-15.15s %7s %3u ",
|
|
routename(mfc.mfc_mcastgrp.s_addr),
|
|
pktscale(mfc.mfc_pkt_cnt), mfc.mfc_parent);
|
|
for (vifi = 0; vifi <= numvifs; ++vifi)
|
|
if (mfc.mfc_ttls[vifi])
|
|
printf(" %u/%u", vifi, mfc.mfc_ttls[vifi]);
|
|
|
|
printf("\n");
|
|
|
|
/* Print the bw meter information */
|
|
{
|
|
struct bw_meter bw_meter, *bwm;
|
|
int banner_printed2 = 0;
|
|
|
|
bwm = mfc.mfc_bw_meter;
|
|
while (bwm) {
|
|
kread((u_long)bwm,
|
|
(char *)&bw_meter,
|
|
sizeof bw_meter);
|
|
print_bw_meter(&bw_meter,
|
|
&banner_printed2);
|
|
bwm = bw_meter.bm_mfc_next;
|
|
}
|
|
#if 0 /* Don't ever print it? */
|
|
if (! banner_printed2)
|
|
printf("\n No Bandwidth Meters\n");
|
|
#endif
|
|
}
|
|
|
|
nmfc++;
|
|
}
|
|
}
|
|
if (!banner_printed)
|
|
printf("\nMulticast Forwarding Cache is empty\n");
|
|
else
|
|
printf("\nTotal no. of entries in cache: %d\n", nmfc);
|
|
|
|
printf("\n");
|
|
numeric_addr = saved_numeric_addr;
|
|
}
|
|
|
|
static void
|
|
print_bw_meter(bw_meter, banner_printed)
|
|
struct bw_meter *bw_meter;
|
|
int *banner_printed;
|
|
{
|
|
char s0[256], s1[256], s2[256], s3[256];
|
|
struct timeval now, end, delta;
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
if (! *banner_printed) {
|
|
printf(" Bandwidth Meters\n");
|
|
printf(" %-30s", "Measured(Start|Packets|Bytes)");
|
|
printf(" %s", "Type");
|
|
printf(" %-30s", "Thresh(Interval|Packets|Bytes)");
|
|
printf(" Remain");
|
|
printf("\n");
|
|
*banner_printed = 1;
|
|
}
|
|
|
|
/* The measured values */
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_PACKETS)
|
|
sprintf(s1, "%llu", (unsigned long long)bw_meter->bm_measured.b_packets);
|
|
else
|
|
sprintf(s1, "?");
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_BYTES)
|
|
sprintf(s2, "%llu", (unsigned long long)bw_meter->bm_measured.b_bytes);
|
|
else
|
|
sprintf(s2, "?");
|
|
sprintf(s0, "%lu.%lu|%s|%s",
|
|
bw_meter->bm_start_time.tv_sec,
|
|
bw_meter->bm_start_time.tv_usec,
|
|
s1, s2);
|
|
printf(" %-30s", s0);
|
|
|
|
/* The type of entry */
|
|
sprintf(s0, "%s", "?");
|
|
if (bw_meter->bm_flags & BW_METER_GEQ)
|
|
sprintf(s0, "%s", ">=");
|
|
else if (bw_meter->bm_flags & BW_METER_LEQ)
|
|
sprintf(s0, "%s", "<=");
|
|
printf(" %-3s", s0);
|
|
|
|
/* The threshold values */
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_PACKETS)
|
|
sprintf(s1, "%llu", (unsigned long long)bw_meter->bm_threshold.b_packets);
|
|
else
|
|
sprintf(s1, "?");
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_BYTES)
|
|
sprintf(s2, "%llu", (unsigned long long)bw_meter->bm_threshold.b_bytes);
|
|
else
|
|
sprintf(s2, "?");
|
|
sprintf(s0, "%lu.%lu|%s|%s",
|
|
bw_meter->bm_threshold.b_time.tv_sec,
|
|
bw_meter->bm_threshold.b_time.tv_usec,
|
|
s1, s2);
|
|
printf(" %-30s", s0);
|
|
|
|
/* Remaining time */
|
|
timeradd(&bw_meter->bm_start_time,
|
|
&bw_meter->bm_threshold.b_time, &end);
|
|
if (timercmp(&now, &end, <=)) {
|
|
timersub(&end, &now, &delta);
|
|
sprintf(s3, "%lu.%lu", delta.tv_sec, delta.tv_usec);
|
|
} else {
|
|
/* Negative time */
|
|
timersub(&now, &end, &delta);
|
|
sprintf(s3, "-%lu.%lu", delta.tv_sec, delta.tv_usec);
|
|
}
|
|
printf(" %s", s3);
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
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 routing:\n");
|
|
printf("\t%lu datagram%s with no route for origin\n",
|
|
mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route));
|
|
printf("\t%lu upcall%s made to mrouted\n",
|
|
mrtstat.mrts_upcalls, plural(mrtstat.mrts_upcalls));
|
|
printf("\t%lu datagram%s with malformed tunnel options\n",
|
|
mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel));
|
|
printf("\t%lu datagram%s with no room for tunnel options\n",
|
|
mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel));
|
|
printf("\t%lu datagram%s arrived on wrong interface\n",
|
|
mrtstat.mrts_wrong_if, plural(mrtstat.mrts_wrong_if));
|
|
printf("\t%lu datagram%s dropped due to upcall Q overflow\n",
|
|
mrtstat.mrts_upq_ovflw, plural(mrtstat.mrts_upq_ovflw));
|
|
printf("\t%lu datagram%s dropped due to upcall socket overflow\n",
|
|
mrtstat.mrts_upq_sockfull, plural(mrtstat.mrts_upq_sockfull));
|
|
printf("\t%lu datagram%s cleaned up by the cache\n",
|
|
mrtstat.mrts_cache_cleanups, plural(mrtstat.mrts_cache_cleanups));
|
|
printf("\t%lu datagram%s dropped selectively by ratelimiter\n",
|
|
mrtstat.mrts_drop_sel, plural(mrtstat.mrts_drop_sel));
|
|
printf("\t%lu datagram%s dropped - bucket Q overflow\n",
|
|
mrtstat.mrts_q_overflow, plural(mrtstat.mrts_q_overflow));
|
|
printf("\t%lu datagram%s dropped - larger than bkt size\n",
|
|
mrtstat.mrts_pkt2large, plural(mrtstat.mrts_pkt2large));
|
|
}
|