309 lines
9.1 KiB
C
309 lines
9.1 KiB
C
/*
|
|
* 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
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* Print 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/sysctl.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 <err.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include "netstat.h"
|
|
|
|
static void print_bw_meter(struct bw_meter *bw_meter, int *banner_printed);
|
|
|
|
void
|
|
mroutepr(u_long mfcaddr, u_long vifaddr)
|
|
{
|
|
struct mfc *mfctable[MFCTBLSIZ];
|
|
struct vif viftable[MAXVIFS];
|
|
struct mfc mfc, *m;
|
|
struct vif *v;
|
|
vifi_t vifi;
|
|
int i;
|
|
int banner_printed;
|
|
int saved_numeric_addr;
|
|
vifi_t maxvif = 0;
|
|
size_t len;
|
|
|
|
len = sizeof(mfctable);
|
|
if (sysctlbyname("net.inet.ip.mfctable", mfctable, &len, NULL, 0) < 0) {
|
|
warn("sysctl: net.inet.ip.mfctable");
|
|
/* Compatability with older kernels - candidate for removal */
|
|
if (mfcaddr == 0) {
|
|
printf("No IPv4 multicast routing compiled into this system.\n");
|
|
return;
|
|
}
|
|
|
|
kread(mfcaddr, (char *)mfctable, sizeof(mfctable));
|
|
}
|
|
|
|
len = sizeof(viftable);
|
|
if (sysctlbyname("net.inet.ip.viftable", viftable, &len, NULL, 0) < 0) {
|
|
warn("sysctl: net.inet.ip.viftable");
|
|
/* Compatability with older kernels - candidate for removal */
|
|
if (vifaddr == 0) {
|
|
printf("No IPv4 multicast routing compiled into this system.\n");
|
|
return;
|
|
}
|
|
|
|
kread(vifaddr, (char *)viftable, sizeof(viftable));
|
|
}
|
|
|
|
saved_numeric_addr = numeric_addr;
|
|
numeric_addr = 1;
|
|
|
|
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");
|
|
|
|
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");
|
|
|
|
/* 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
|
|
}
|
|
|
|
m = mfc.mfc_next;
|
|
}
|
|
}
|
|
if (!banner_printed)
|
|
printf("\nMulticast Routing Table is empty\n");
|
|
|
|
printf("\n");
|
|
numeric_addr = saved_numeric_addr;
|
|
}
|
|
|
|
static void
|
|
print_bw_meter(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, "%ju", (uintmax_t)bw_meter->bm_measured.b_packets);
|
|
else
|
|
sprintf(s1, "?");
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_BYTES)
|
|
sprintf(s2, "%ju", (uintmax_t)bw_meter->bm_measured.b_bytes);
|
|
else
|
|
sprintf(s2, "?");
|
|
sprintf(s0, "%lu.%lu|%s|%s",
|
|
(u_long)bw_meter->bm_start_time.tv_sec,
|
|
(u_long)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, "%ju", (uintmax_t)bw_meter->bm_threshold.b_packets);
|
|
else
|
|
sprintf(s1, "?");
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_BYTES)
|
|
sprintf(s2, "%ju", (uintmax_t)bw_meter->bm_threshold.b_bytes);
|
|
else
|
|
sprintf(s2, "?");
|
|
sprintf(s0, "%lu.%lu|%s|%s",
|
|
(u_long)bw_meter->bm_threshold.b_time.tv_sec,
|
|
(u_long)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",
|
|
(u_long)delta.tv_sec,
|
|
(u_long)delta.tv_usec);
|
|
} else {
|
|
/* Negative time */
|
|
timersub(&now, &end, &delta);
|
|
sprintf(s3, "-%lu.%lu",
|
|
(u_long)delta.tv_sec,
|
|
(u_long)delta.tv_usec);
|
|
}
|
|
printf(" %s", s3);
|
|
|
|
printf("\n");
|
|
}
|
|
|
|
void
|
|
mrt_stats(u_long mstaddr)
|
|
{
|
|
struct mrtstat mrtstat;
|
|
size_t len = sizeof mrtstat;
|
|
|
|
if (sysctlbyname("net.inet.ip.mrtstat", &mrtstat, &len,
|
|
NULL, 0) < 0) {
|
|
warn("sysctl: net.inet.ip.mrtstat");
|
|
/* Compatability with older kernels - candidate for removal */
|
|
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");
|
|
|
|
#define p(f, m) if (mrtstat.f || sflag <= 1) \
|
|
printf(m, mrtstat.f, plural(mrtstat.f))
|
|
#define p2(f, m) if (mrtstat.f || sflag <= 1) \
|
|
printf(m, mrtstat.f, plurales(mrtstat.f))
|
|
|
|
p(mrts_mfc_lookups, "\t%lu multicast forwarding cache lookup%s\n");
|
|
p2(mrts_mfc_misses, "\t%lu multicast forwarding cache miss%s\n");
|
|
p(mrts_upcalls, "\t%lu upcall%s to routing daemon\n");
|
|
p(mrts_upq_ovflw, "\t%lu upcall queue overflow%s\n");
|
|
p(mrts_upq_sockfull,
|
|
"\t%lu upcall%s dropped due to full socket buffer\n");
|
|
p(mrts_cache_cleanups, "\t%lu cache cleanup%s\n");
|
|
p(mrts_no_route, "\t%lu datagram%s with no route for origin\n");
|
|
p(mrts_bad_tunnel, "\t%lu datagram%s arrived with bad tunneling\n");
|
|
p(mrts_cant_tunnel, "\t%lu datagram%s could not be tunneled\n");
|
|
p(mrts_wrong_if, "\t%lu datagram%s arrived on wrong interface\n");
|
|
p(mrts_drop_sel, "\t%lu datagram%s selectively dropped\n");
|
|
p(mrts_q_overflow, "\t%lu datagram%s dropped due to queue overflow\n");
|
|
p(mrts_pkt2large, "\t%lu datagram%s dropped for being too large\n");
|
|
|
|
#undef p2
|
|
#undef p
|
|
}
|