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| Current File : //usr/src/usr.bin/netstat/mroute6.c |
/*-
* Copyright (C) 1998 WIDE Project.
* All rights reserved.
*
* 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 project 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 PROJECT 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 PROJECT 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.
*/
/*-
* 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: release/9.1.0/usr.bin/netstat/mroute6.c 175061 2008-01-02 23:26:11Z obrien $");
#ifdef INET6
#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 <net/if_var.h>
#include <net/route.h>
#include <netinet/in.h>
#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#define KERNEL 1
#include <netinet6/ip6_mroute.h>
#undef KERNEL
#include "netstat.h"
#define WID_ORG (Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
#define WID_GRP (Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
void
mroute6pr(u_long mfcaddr, u_long mifaddr)
{
struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
struct mif6 mif6table[MAXMIFS];
struct mf6c mfc;
struct rtdetq rte, *rtep;
struct mif6 *mifp;
mifi_t mifi;
int i;
int banner_printed;
int saved_numeric_addr;
mifi_t maxmif = 0;
long int waitings;
size_t len;
len = sizeof(mif6table);
if (live) {
if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len,
NULL, 0) < 0) {
warn("sysctl: net.inet6.ip6.mif6table");
return;
}
} else
kread(mifaddr, (char *)mif6table, sizeof(mif6table));
saved_numeric_addr = numeric_addr;
numeric_addr = 1;
banner_printed = 0;
for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
struct ifnet ifnet;
char ifname[IFNAMSIZ];
if (mifp->m6_ifp == NULL)
continue;
/* XXX KVM */
kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
maxmif = mifi;
if (!banner_printed) {
printf("\nIPv6 Multicast Interface Table\n"
" Mif Rate PhyIF "
"Pkts-In Pkts-Out\n");
banner_printed = 1;
}
printf(" %2u %4d",
mifi, mifp->m6_rate_limit);
printf(" %5s", (mifp->m6_flags & MIFF_REGISTER) ?
"reg0" : if_indextoname(ifnet.if_index, ifname));
printf(" %9ju %9ju\n", (uintmax_t)mifp->m6_pkt_in,
(uintmax_t)mifp->m6_pkt_out);
}
if (!banner_printed)
printf("\nIPv6 Multicast Interface Table is empty\n");
len = sizeof(mf6ctable);
if (live) {
if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len,
NULL, 0) < 0) {
warn("sysctl: net.inet6.ip6.mf6ctable");
return;
}
} else
kread(mfcaddr, (char *)mf6ctable, sizeof(mf6ctable));
banner_printed = 0;
for (i = 0; i < MF6CTBLSIZ; ++i) {
mfcp = mf6ctable[i];
while(mfcp) {
kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
if (!banner_printed) {
printf ("\nIPv6 Multicast Forwarding Cache\n");
printf(" %-*.*s %-*.*s %s",
WID_ORG, WID_ORG, "Origin",
WID_GRP, WID_GRP, "Group",
" Packets Waits In-Mif Out-Mifs\n");
banner_printed = 1;
}
printf(" %-*.*s", WID_ORG, WID_ORG,
routename6(&mfc.mf6c_origin));
printf(" %-*.*s", WID_GRP, WID_GRP,
routename6(&mfc.mf6c_mcastgrp));
printf(" %9ju", (uintmax_t)mfc.mf6c_pkt_cnt);
for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
waitings++;
/* XXX KVM */
kread((u_long)rtep, (char *)&rte, sizeof(rte));
rtep = rte.next;
}
printf(" %3ld", waitings);
if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
printf(" --- ");
else
printf(" %3d ", mfc.mf6c_parent);
for (mifi = 0; mifi <= maxmif; mifi++) {
if (IF_ISSET(mifi, &mfc.mf6c_ifset))
printf(" %u", mifi);
}
printf("\n");
mfcp = mfc.mf6c_next;
}
}
if (!banner_printed)
printf("\nIPv6 Multicast Forwarding Table is empty\n");
printf("\n");
numeric_addr = saved_numeric_addr;
}
void
mrt6_stats(u_long mstaddr)
{
struct mrt6stat mrtstat;
size_t len = sizeof mrtstat;
if (live) {
if (sysctlbyname("net.inet6.ip6.mrt6stat", &mrtstat, &len,
NULL, 0) < 0) {
warn("sysctl: net.inet6.ip6.mrt6stat");
return;
}
} else
kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
printf("IPv6 multicast forwarding:\n");
#define p(f, m) if (mrtstat.f || sflag <= 1) \
printf(m, (uintmax_t)mrtstat.f, plural(mrtstat.f))
#define p2(f, m) if (mrtstat.f || sflag <= 1) \
printf(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f))
p(mrt6s_mfc_lookups, "\t%ju multicast forwarding cache lookup%s\n");
p2(mrt6s_mfc_misses, "\t%ju multicast forwarding cache miss%s\n");
p(mrt6s_upcalls, "\t%ju upcall%s to multicast routing daemon\n");
p(mrt6s_upq_ovflw, "\t%ju upcall queue overflow%s\n");
p(mrt6s_upq_sockfull,
"\t%ju upcall%s dropped due to full socket buffer\n");
p(mrt6s_cache_cleanups, "\t%ju cache cleanup%s\n");
p(mrt6s_no_route, "\t%ju datagram%s with no route for origin\n");
p(mrt6s_bad_tunnel, "\t%ju datagram%s arrived with bad tunneling\n");
p(mrt6s_cant_tunnel, "\t%ju datagram%s could not be tunneled\n");
p(mrt6s_wrong_if, "\t%ju datagram%s arrived on wrong interface\n");
p(mrt6s_drop_sel, "\t%ju datagram%s selectively dropped\n");
p(mrt6s_q_overflow,
"\t%ju datagram%s dropped due to queue overflow\n");
p(mrt6s_pkt2large, "\t%ju datagram%s dropped for being too large\n");
#undef p2
#undef p
}
#endif /*INET6*/