2008-01-02 23:26:11 +00:00
|
|
|
/*-
|
1994-05-27 12:33:43 +00:00
|
|
|
* 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.
|
|
|
|
*
|
1996-01-14 23:33:13 +00:00
|
|
|
* @(#)mroute.c 8.2 (Berkeley) 4/28/95
|
1994-05-27 12:33:43 +00:00
|
|
|
*/
|
|
|
|
|
2004-07-26 20:18:11 +00:00
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__FBSDID("$FreeBSD$");
|
1999-10-21 07:08:56 +00:00
|
|
|
|
1994-05-27 12:33:43 +00:00
|
|
|
/*
|
2003-08-05 17:07:04 +00:00
|
|
|
* Print multicast routing structures and statistics.
|
1994-05-27 12:33:43 +00:00
|
|
|
*
|
|
|
|
* MROUTING 1.0
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <sys/param.h>
|
1996-03-11 13:01:12 +00:00
|
|
|
#include <sys/queue.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <sys/socketvar.h>
|
2001-07-25 20:14:09 +00:00
|
|
|
#include <sys/sysctl.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
#include <sys/protosw.h>
|
1995-06-13 19:18:40 +00:00
|
|
|
#include <sys/mbuf.h>
|
1996-12-10 17:11:53 +00:00
|
|
|
#include <sys/time.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
|
1994-09-08 00:07:12 +00:00
|
|
|
#include <net/if.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
#include <netinet/in.h>
|
|
|
|
#include <netinet/igmp.h>
|
1995-06-13 19:18:40 +00:00
|
|
|
#include <net/route.h>
|
2009-04-21 12:47:09 +00:00
|
|
|
|
|
|
|
#define _KERNEL 1
|
1994-05-27 12:33:43 +00:00
|
|
|
#include <netinet/ip_mroute.h>
|
2009-04-21 12:47:09 +00:00
|
|
|
#undef _KERNEL
|
1994-05-27 12:33:43 +00:00
|
|
|
|
2001-07-25 20:14:09 +00:00
|
|
|
#include <err.h>
|
2013-12-20 00:17:26 +00:00
|
|
|
#include <nlist.h>
|
2006-07-28 16:09:19 +00:00
|
|
|
#include <stdint.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
2015-02-21 23:47:20 +00:00
|
|
|
#include <stdbool.h>
|
2015-09-01 08:42:04 +00:00
|
|
|
#include <string.h>
|
2015-02-21 23:47:20 +00:00
|
|
|
#include <libxo/xo.h>
|
1994-05-27 12:33:43 +00:00
|
|
|
#include "netstat.h"
|
|
|
|
|
2013-12-20 00:17:26 +00:00
|
|
|
/*
|
|
|
|
* kvm(3) bindings for every needed symbol
|
|
|
|
*/
|
|
|
|
static struct nlist mrl[] = {
|
|
|
|
#define N_MRTSTAT 0
|
|
|
|
{ .n_name = "_mrtstat" },
|
|
|
|
#define N_MFCHASHTBL 1
|
|
|
|
{ .n_name = "_mfchashtbl" },
|
|
|
|
#define N_VIFTABLE 2
|
|
|
|
{ .n_name = "_viftable" },
|
|
|
|
#define N_MFCTABLESIZE 3
|
|
|
|
{ .n_name = "_mfctablesize" },
|
|
|
|
{ .n_name = NULL },
|
|
|
|
};
|
2003-08-07 18:21:21 +00:00
|
|
|
|
2009-03-19 01:43:03 +00:00
|
|
|
static void print_bw_meter(struct bw_meter *, int *);
|
|
|
|
static void print_mfc(struct mfc *, int, int *);
|
1994-05-27 12:33:43 +00:00
|
|
|
|
2003-08-07 18:21:21 +00:00
|
|
|
static void
|
|
|
|
print_bw_meter(struct bw_meter *bw_meter, int *banner_printed)
|
|
|
|
{
|
2015-02-21 23:47:20 +00:00
|
|
|
char s1[256], s2[256], s3[256];
|
2003-08-07 18:21:21 +00:00
|
|
|
struct timeval now, end, delta;
|
|
|
|
|
|
|
|
gettimeofday(&now, NULL);
|
|
|
|
|
|
|
|
if (! *banner_printed) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_open_list("bandwidth-meter");
|
|
|
|
xo_emit(" {T:Bandwidth Meters}\n");
|
|
|
|
xo_emit(" {T:/%-30s}", "Measured(Start|Packets|Bytes)");
|
|
|
|
xo_emit(" {T:/%s}", "Type");
|
|
|
|
xo_emit(" {T:/%-30s}", "Thresh(Interval|Packets|Bytes)");
|
|
|
|
xo_emit(" {T:Remain}");
|
|
|
|
xo_emit("\n");
|
2003-08-07 18:21:21 +00:00
|
|
|
*banner_printed = 1;
|
|
|
|
}
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_open_instance("bandwidth-meter");
|
|
|
|
|
2003-08-07 18:21:21 +00:00
|
|
|
/* The measured values */
|
2015-02-21 23:47:20 +00:00
|
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_PACKETS) {
|
2006-07-28 16:09:19 +00:00
|
|
|
sprintf(s1, "%ju", (uintmax_t)bw_meter->bm_measured.b_packets);
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{e:measured-packets/%ju}",
|
|
|
|
(uintmax_t)bw_meter->bm_measured.b_packets);
|
|
|
|
} else
|
2003-08-07 18:21:21 +00:00
|
|
|
sprintf(s1, "?");
|
2015-02-21 23:47:20 +00:00
|
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_BYTES) {
|
2006-07-28 16:09:19 +00:00
|
|
|
sprintf(s2, "%ju", (uintmax_t)bw_meter->bm_measured.b_bytes);
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{e:measured-bytes/%ju}",
|
|
|
|
(uintmax_t)bw_meter->bm_measured.b_bytes);
|
|
|
|
} else
|
2003-08-07 18:21:21 +00:00
|
|
|
sprintf(s2, "?");
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {[:-30}{:start-time/%lu.%06lu}|{q:measured-packets/%s}"
|
|
|
|
"|{q:measured-bytes%s}{]:}",
|
|
|
|
(u_long)bw_meter->bm_start_time.tv_sec,
|
|
|
|
(u_long)bw_meter->bm_start_time.tv_usec, s1, s2);
|
2003-08-07 18:21:21 +00:00
|
|
|
|
|
|
|
/* The type of entry */
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {t:type/%-3s}", (bw_meter->bm_flags & BW_METER_GEQ) ? ">=" :
|
|
|
|
(bw_meter->bm_flags & BW_METER_LEQ) ? "<=" : "?");
|
2003-08-07 18:21:21 +00:00
|
|
|
|
|
|
|
/* The threshold values */
|
2015-02-21 23:47:20 +00:00
|
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_PACKETS) {
|
2006-07-28 16:09:19 +00:00
|
|
|
sprintf(s1, "%ju", (uintmax_t)bw_meter->bm_threshold.b_packets);
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{e:threshold-packets/%ju}",
|
|
|
|
(uintmax_t)bw_meter->bm_threshold.b_packets);
|
|
|
|
} else
|
2003-08-07 18:21:21 +00:00
|
|
|
sprintf(s1, "?");
|
2015-02-21 23:47:20 +00:00
|
|
|
if (bw_meter->bm_flags & BW_METER_UNIT_BYTES) {
|
2006-07-28 16:09:19 +00:00
|
|
|
sprintf(s2, "%ju", (uintmax_t)bw_meter->bm_threshold.b_bytes);
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{e:threshold-bytes/%ju}",
|
|
|
|
(uintmax_t)bw_meter->bm_threshold.b_bytes);
|
|
|
|
} else
|
2003-08-07 18:21:21 +00:00
|
|
|
sprintf(s2, "?");
|
2015-02-21 23:47:20 +00:00
|
|
|
|
|
|
|
xo_emit(" {[:-30}{:threshold-time/%lu.%06lu}|{q:threshold-packets/%s}"
|
|
|
|
"|{q:threshold-bytes%s}{]:}",
|
|
|
|
(u_long)bw_meter->bm_threshold.b_time.tv_sec,
|
|
|
|
(u_long)bw_meter->bm_threshold.b_time.tv_usec, s1, s2);
|
2003-08-07 18:21:21 +00:00
|
|
|
|
|
|
|
/* Remaining time */
|
|
|
|
timeradd(&bw_meter->bm_start_time,
|
|
|
|
&bw_meter->bm_threshold.b_time, &end);
|
|
|
|
if (timercmp(&now, &end, <=)) {
|
|
|
|
timersub(&end, &now, &delta);
|
2015-02-21 23:47:20 +00:00
|
|
|
sprintf(s3, "%lu.%06lu",
|
2006-07-28 11:17:17 +00:00
|
|
|
(u_long)delta.tv_sec,
|
|
|
|
(u_long)delta.tv_usec);
|
2003-08-07 18:21:21 +00:00
|
|
|
} else {
|
|
|
|
/* Negative time */
|
|
|
|
timersub(&now, &end, &delta);
|
2015-02-21 23:47:20 +00:00
|
|
|
sprintf(s3, "-%lu.06%lu",
|
2006-07-28 11:17:17 +00:00
|
|
|
(u_long)delta.tv_sec,
|
|
|
|
(u_long)delta.tv_usec);
|
2003-08-07 18:21:21 +00:00
|
|
|
}
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {:remaining-time/%s}", s3);
|
2003-08-07 18:21:21 +00:00
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_open_instance("bandwidth-meter");
|
|
|
|
|
|
|
|
xo_emit("\n");
|
2003-08-07 18:21:21 +00:00
|
|
|
}
|
1994-05-27 12:33:43 +00:00
|
|
|
|
2009-03-19 01:43:03 +00:00
|
|
|
static void
|
|
|
|
print_mfc(struct mfc *m, int maxvif, int *banner_printed)
|
|
|
|
{
|
2015-09-01 08:42:04 +00:00
|
|
|
struct sockaddr_in sin;
|
|
|
|
struct sockaddr *sa = (struct sockaddr *)&sin;
|
2009-03-19 01:43:03 +00:00
|
|
|
struct bw_meter bw_meter, *bwm;
|
|
|
|
int bw_banner_printed;
|
|
|
|
int error;
|
|
|
|
vifi_t vifi;
|
|
|
|
|
|
|
|
bw_banner_printed = 0;
|
2015-09-01 08:42:04 +00:00
|
|
|
memset(&sin, 0, sizeof(sin));
|
|
|
|
sin.sin_len = sizeof(sin);
|
|
|
|
sin.sin_family = AF_INET;
|
2009-03-19 01:43:03 +00:00
|
|
|
|
|
|
|
if (! *banner_printed) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_open_list("multicast-forwarding-entry");
|
|
|
|
xo_emit("\n{T:IPv4 Multicast Forwarding Table}\n"
|
|
|
|
" {T:Origin} {T:Group} "
|
|
|
|
" {T:Packets In-Vif} {T:Out-Vifs:Ttls}\n");
|
2009-03-19 01:43:03 +00:00
|
|
|
*banner_printed = 1;
|
|
|
|
}
|
|
|
|
|
2015-09-01 08:42:04 +00:00
|
|
|
memcpy(&sin.sin_addr, &m->mfc_origin, sizeof(sin.sin_addr));
|
|
|
|
xo_emit(" {:origin-address/%-15.15s}", routename(sa, numeric_addr));
|
|
|
|
memcpy(&sin.sin_addr, &m->mfc_mcastgrp, sizeof(sin.sin_addr));
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {:group-address/%-15.15s}",
|
2015-09-01 08:42:04 +00:00
|
|
|
routename(sa, numeric_addr));
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {:sent-packets/%9lu}", m->mfc_pkt_cnt);
|
|
|
|
xo_emit(" {:parent/%3d} ", m->mfc_parent);
|
|
|
|
xo_open_list("vif-ttl");
|
2009-03-19 01:43:03 +00:00
|
|
|
for (vifi = 0; vifi <= maxvif; vifi++) {
|
2015-02-21 23:47:20 +00:00
|
|
|
if (m->mfc_ttls[vifi] > 0) {
|
|
|
|
xo_open_instance("vif-ttl");
|
|
|
|
xo_emit(" {k:vif/%u}:{:ttl/%u}", vifi,
|
|
|
|
m->mfc_ttls[vifi]);
|
|
|
|
xo_close_instance("vif-ttl");
|
|
|
|
}
|
2009-03-19 01:43:03 +00:00
|
|
|
}
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_close_list("vif-ttl");
|
|
|
|
xo_emit("\n");
|
2009-03-19 01:43:03 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* XXX We break the rules and try to use KVM to read the
|
|
|
|
* bandwidth meters, they are not retrievable via sysctl yet.
|
|
|
|
*/
|
|
|
|
bwm = m->mfc_bw_meter;
|
|
|
|
while (bwm != NULL) {
|
|
|
|
error = kread((u_long)bwm, (char *)&bw_meter,
|
|
|
|
sizeof(bw_meter));
|
|
|
|
if (error)
|
|
|
|
break;
|
|
|
|
print_bw_meter(&bw_meter, &bw_banner_printed);
|
|
|
|
bwm = bw_meter.bm_mfc_next;
|
|
|
|
}
|
2015-02-21 23:47:20 +00:00
|
|
|
if (banner_printed)
|
|
|
|
xo_close_list("bandwidth-meter");
|
2009-03-19 01:43:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
void
|
2013-12-20 00:17:26 +00:00
|
|
|
mroutepr()
|
2009-03-19 01:43:03 +00:00
|
|
|
{
|
2015-09-01 08:42:04 +00:00
|
|
|
struct sockaddr_in sin;
|
|
|
|
struct sockaddr *sa = (struct sockaddr *)&sin;
|
2009-03-19 01:43:03 +00:00
|
|
|
struct vif viftable[MAXVIFS];
|
|
|
|
struct vif *v;
|
|
|
|
struct mfc *m;
|
2013-12-20 00:17:26 +00:00
|
|
|
u_long pmfchashtbl, pmfctablesize, pviftbl;
|
2009-03-19 01:43:03 +00:00
|
|
|
int banner_printed;
|
|
|
|
int saved_numeric_addr;
|
|
|
|
size_t len;
|
|
|
|
vifi_t vifi, maxvif;
|
|
|
|
|
|
|
|
saved_numeric_addr = numeric_addr;
|
|
|
|
numeric_addr = 1;
|
|
|
|
|
2015-09-01 08:42:04 +00:00
|
|
|
memset(&sin, 0, sizeof(sin));
|
|
|
|
sin.sin_len = sizeof(sin);
|
|
|
|
sin.sin_family = AF_INET;
|
|
|
|
|
2009-03-19 01:43:03 +00:00
|
|
|
/*
|
|
|
|
* TODO:
|
|
|
|
* The VIF table will move to hanging off the struct if_info for
|
|
|
|
* each IPv4 configured interface. Currently it is statically
|
|
|
|
* allocated, and retrieved either using KVM or an opaque SYSCTL.
|
|
|
|
*
|
|
|
|
* This can't happen until the API documented in multicast(4)
|
|
|
|
* is itself refactored. The historical reason why VIFs use
|
|
|
|
* a separate ifindex space is entirely due to the legacy
|
|
|
|
* capability of the MROUTING code to create IPIP tunnels on
|
|
|
|
* the fly to support DVMRP. When gif(4) became available, this
|
|
|
|
* functionality was deprecated, as PIM does not use it.
|
|
|
|
*/
|
|
|
|
maxvif = 0;
|
2014-04-29 16:51:28 +00:00
|
|
|
pmfchashtbl = pmfctablesize = pviftbl = 0;
|
2013-12-20 00:17:26 +00:00
|
|
|
|
2009-03-19 01:43:03 +00:00
|
|
|
len = sizeof(viftable);
|
|
|
|
if (live) {
|
|
|
|
if (sysctlbyname("net.inet.ip.viftable", viftable, &len, NULL,
|
|
|
|
0) < 0) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warn("sysctl: net.inet.ip.viftable");
|
2009-03-19 01:43:03 +00:00
|
|
|
return;
|
|
|
|
}
|
2014-04-29 16:51:28 +00:00
|
|
|
} else {
|
|
|
|
kresolve_list(mrl);
|
|
|
|
pmfchashtbl = mrl[N_MFCHASHTBL].n_value;
|
|
|
|
pmfctablesize = mrl[N_MFCTABLESIZE].n_value;
|
|
|
|
pviftbl = mrl[N_VIFTABLE].n_value;
|
|
|
|
|
|
|
|
if (pmfchashtbl == 0 || pmfctablesize == 0 || pviftbl == 0) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("No IPv4 MROUTING kernel support.");
|
2014-04-29 16:51:28 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2009-03-19 01:43:03 +00:00
|
|
|
kread(pviftbl, (char *)viftable, sizeof(viftable));
|
2014-04-29 16:51:28 +00:00
|
|
|
}
|
2009-03-19 01:43:03 +00:00
|
|
|
|
|
|
|
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) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("\n{T:IPv4 Virtual Interface Table\n"
|
|
|
|
" Vif Thresh Local-Address "
|
|
|
|
"Remote-Address Pkts-In Pkts-Out}\n");
|
2009-03-19 01:43:03 +00:00
|
|
|
banner_printed = 1;
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_open_list("vif");
|
2009-03-19 01:43:03 +00:00
|
|
|
}
|
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_open_instance("vif");
|
2015-09-01 08:42:04 +00:00
|
|
|
memcpy(&sin.sin_addr, &v->v_lcl_addr, sizeof(sin.sin_addr));
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {:vif/%2u} {:threshold/%6u} {:route/%-15.15s}",
|
2009-03-19 01:43:03 +00:00
|
|
|
/* opposite math of add_vif() */
|
|
|
|
vifi, v->v_threshold,
|
2015-09-01 08:42:04 +00:00
|
|
|
routename(sa, numeric_addr));
|
|
|
|
memcpy(&sin.sin_addr, &v->v_rmt_addr, sizeof(sin.sin_addr));
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {:source/%-15.15s}", (v->v_flags & VIFF_TUNNEL) ?
|
2015-09-01 08:42:04 +00:00
|
|
|
routename(sa, numeric_addr) : "");
|
2009-03-19 01:43:03 +00:00
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(" {:received-packets/%9lu} {:sent-packets/%9lu}\n",
|
|
|
|
v->v_pkt_in, v->v_pkt_out);
|
|
|
|
xo_close_instance("vif");
|
2009-03-19 01:43:03 +00:00
|
|
|
}
|
2015-02-21 23:47:20 +00:00
|
|
|
if (banner_printed)
|
|
|
|
xo_close_list("vif");
|
|
|
|
else
|
|
|
|
xo_emit("\n{T:IPv4 Virtual Interface Table is empty}\n");
|
2009-03-19 01:43:03 +00:00
|
|
|
|
|
|
|
banner_printed = 0;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* TODO:
|
|
|
|
* The MFC table will move into the AF_INET radix trie in future.
|
|
|
|
* In 8.x, it becomes a dynamically allocated structure referenced
|
|
|
|
* by a hashed LIST, allowing more than 256 entries w/o kernel tuning.
|
|
|
|
*
|
|
|
|
* If retrieved via opaque SYSCTL, the kernel will coalesce it into
|
|
|
|
* a static table for us.
|
|
|
|
* If retrieved via KVM, the hash list pointers must be followed.
|
|
|
|
*/
|
|
|
|
if (live) {
|
|
|
|
struct mfc *mfctable;
|
|
|
|
|
|
|
|
len = 0;
|
|
|
|
if (sysctlbyname("net.inet.ip.mfctable", NULL, &len, NULL,
|
|
|
|
0) < 0) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warn("sysctl: net.inet.ip.mfctable");
|
2009-03-19 01:43:03 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
mfctable = malloc(len);
|
|
|
|
if (mfctable == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("malloc %lu bytes", (u_long)len);
|
2009-03-19 01:43:03 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
if (sysctlbyname("net.inet.ip.mfctable", mfctable, &len, NULL,
|
|
|
|
0) < 0) {
|
|
|
|
free(mfctable);
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warn("sysctl: net.inet.ip.mfctable");
|
2009-03-19 01:43:03 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
m = mfctable;
|
|
|
|
while (len >= sizeof(*m)) {
|
|
|
|
print_mfc(m++, maxvif, &banner_printed);
|
|
|
|
len -= sizeof(*m);
|
|
|
|
}
|
2015-02-21 23:47:20 +00:00
|
|
|
if (banner_printed)
|
|
|
|
xo_close_list("multicast-forwarding-entry");
|
2009-03-19 01:43:03 +00:00
|
|
|
if (len != 0)
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("print_mfc: %lu trailing bytes", (u_long)len);
|
2009-03-19 01:43:03 +00:00
|
|
|
|
|
|
|
free(mfctable);
|
|
|
|
} else {
|
|
|
|
LIST_HEAD(, mfc) *mfchashtbl;
|
|
|
|
u_long i, mfctablesize;
|
|
|
|
struct mfc mfc;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
error = kread(pmfctablesize, (char *)&mfctablesize,
|
|
|
|
sizeof(u_long));
|
|
|
|
if (error) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warn("kread: mfctablesize");
|
2009-03-19 01:43:03 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
len = sizeof(*mfchashtbl) * mfctablesize;
|
|
|
|
mfchashtbl = malloc(len);
|
|
|
|
if (mfchashtbl == NULL) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warnx("malloc %lu bytes", (u_long)len);
|
2009-03-19 01:43:03 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
kread(pmfchashtbl, (char *)&mfchashtbl, len);
|
|
|
|
|
|
|
|
for (i = 0; i < mfctablesize; i++) {
|
|
|
|
LIST_FOREACH(m, &mfchashtbl[i], mfc_hash) {
|
|
|
|
kread((u_long)m, (char *)&mfc, sizeof(mfc));
|
|
|
|
print_mfc(m, maxvif, &banner_printed);
|
|
|
|
}
|
|
|
|
}
|
2015-02-21 23:47:20 +00:00
|
|
|
if (banner_printed)
|
|
|
|
xo_close_list("multicast-forwarding-entry");
|
2009-03-19 01:43:03 +00:00
|
|
|
|
|
|
|
free(mfchashtbl);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!banner_printed)
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("\n{T:IPv4 Multicast Forwarding Table is empty}\n");
|
2009-03-19 01:43:03 +00:00
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("\n");
|
2009-03-19 01:43:03 +00:00
|
|
|
numeric_addr = saved_numeric_addr;
|
|
|
|
}
|
|
|
|
|
1994-05-27 12:33:43 +00:00
|
|
|
void
|
2013-12-20 00:17:26 +00:00
|
|
|
mrt_stats()
|
1994-05-27 12:33:43 +00:00
|
|
|
{
|
|
|
|
struct mrtstat mrtstat;
|
2013-12-20 00:17:26 +00:00
|
|
|
u_long mstaddr;
|
|
|
|
size_t len = sizeof(mrtstat);
|
|
|
|
|
|
|
|
kresolve_list(mrl);
|
|
|
|
mstaddr = mrl[N_MRTSTAT].n_value;
|
|
|
|
|
|
|
|
if (mstaddr == 0) {
|
|
|
|
fprintf(stderr, "No IPv4 MROUTING kernel support.\n");
|
|
|
|
return;
|
|
|
|
}
|
2001-07-25 20:14:09 +00:00
|
|
|
|
2007-07-16 17:15:55 +00:00
|
|
|
if (live) {
|
|
|
|
if (sysctlbyname("net.inet.ip.mrtstat", &mrtstat, &len, NULL,
|
|
|
|
0) < 0) {
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_warn("sysctl: net.inet.ip.mrtstat failed.");
|
2001-07-25 20:14:09 +00:00
|
|
|
return;
|
|
|
|
}
|
2007-07-16 17:15:55 +00:00
|
|
|
} else
|
2013-07-09 09:50:15 +00:00
|
|
|
kread_counters(mstaddr, &mrtstat, len);
|
2007-07-16 17:15:55 +00:00
|
|
|
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit("{T:IPv4 multicast forwarding}:\n");
|
2001-09-07 12:59:30 +00:00
|
|
|
|
|
|
|
#define p(f, m) if (mrtstat.f || sflag <= 1) \
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(m, (uintmax_t)mrtstat.f, plural(mrtstat.f))
|
2001-09-07 12:59:30 +00:00
|
|
|
#define p2(f, m) if (mrtstat.f || sflag <= 1) \
|
2015-02-21 23:47:20 +00:00
|
|
|
xo_emit(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f))
|
|
|
|
|
|
|
|
xo_open_container("multicast-statistics");
|
|
|
|
|
|
|
|
p(mrts_mfc_lookups, "\t{:cache-lookups/%ju} "
|
|
|
|
"{N:/multicast forwarding cache lookup%s}\n");
|
|
|
|
p2(mrts_mfc_misses, "\t{:cache-misses/%ju} "
|
|
|
|
"{N:/multicast forwarding cache miss%s}\n");
|
|
|
|
p(mrts_upcalls, "\t{:upcalls-total/%ju} "
|
|
|
|
"{N:/upcall%s to multicast routing daemon}\n");
|
|
|
|
p(mrts_upq_ovflw, "\t{:upcall-overflows/%ju} "
|
|
|
|
"{N:/upcall queue overflow%s}\n");
|
2001-09-07 12:59:30 +00:00
|
|
|
p(mrts_upq_sockfull,
|
2015-02-21 23:47:20 +00:00
|
|
|
"\t{:upcalls-dropped-full-buffer/%ju} "
|
|
|
|
"{N:/upcall%s dropped due to full socket buffer}\n");
|
|
|
|
p(mrts_cache_cleanups, "\t{:cache-cleanups/%ju} "
|
|
|
|
"{N:/cache cleanup%s}\n");
|
|
|
|
p(mrts_no_route, "\t{:dropped-no-origin/%ju} "
|
|
|
|
"{N:/datagram%s with no route for origin}\n");
|
|
|
|
p(mrts_bad_tunnel, "\t{:dropped-bad-tunnel/%ju} "
|
|
|
|
"{N:/datagram%s arrived with bad tunneling}\n");
|
|
|
|
p(mrts_cant_tunnel, "\t{:dropped-could-not-tunnel/%ju} "
|
|
|
|
"{N:/datagram%s could not be tunneled}\n");
|
|
|
|
p(mrts_wrong_if, "\t{:dropped-wrong-incoming-interface/%ju} "
|
|
|
|
"{N:/datagram%s arrived on wrong interface}\n");
|
|
|
|
p(mrts_drop_sel, "\t{:dropped-selectively/%ju} "
|
|
|
|
"{N:/datagram%s selectively dropped}\n");
|
|
|
|
p(mrts_q_overflow, "\t{:dropped-queue-overflow/%ju} "
|
|
|
|
"{N:/datagram%s dropped due to queue overflow}\n");
|
|
|
|
p(mrts_pkt2large, "\t{:dropped-too-large/%ju} "
|
|
|
|
"{N:/datagram%s dropped for being too large}\n");
|
2001-09-07 12:59:30 +00:00
|
|
|
|
|
|
|
#undef p2
|
|
|
|
#undef p
|
1994-05-27 12:33:43 +00:00
|
|
|
}
|