freebsd-src/usr.bin/netstat/mroute6.c
Warner Losh bdcbfde31e usr.bin: Remove ancient SCCS tags.
Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by:		Netflix
2023-11-26 22:23:30 -07:00

277 lines
9.2 KiB
C

/*-
* SPDX-License-Identifier: BSD-4-Clause AND BSD-3-Clause
*
* 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.
*/
#include <sys/cdefs.h>
#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/route.h>
#include <netinet/in.h>
#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <libxo/xo.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(void)
{
struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
struct mif6_sctl mif6table[MAXMIFS];
struct mf6c mfc;
struct rtdetq rte, *rtep;
struct mif6_sctl *mifp;
mifi_t mifi;
int i;
int banner_printed;
int saved_numeric_addr;
mifi_t maxmif = 0;
long int waitings;
size_t len;
if (live == 0)
return;
len = sizeof(mif6table);
if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len, NULL, 0) <
0) {
xo_warn("sysctl: net.inet6.ip6.mif6table");
return;
}
saved_numeric_addr = numeric_addr;
numeric_addr = 1;
banner_printed = 0;
for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
char ifname[IFNAMSIZ];
if (mifp->m6_ifp == 0)
continue;
maxmif = mifi;
if (!banner_printed) {
xo_open_list("multicast-interface");
xo_emit("\n{T:IPv6 Multicast Interface Table}\n"
"{T: Mif Rate PhyIF Pkts-In Pkts-Out}\n");
banner_printed = 1;
}
xo_open_instance("multicast-interface");
xo_emit(" {:mif/%2u} {:rate-limit/%4d}",
mifi, mifp->m6_rate_limit);
xo_emit(" {:ifname/%5s}", (mifp->m6_flags & MIFF_REGISTER) ?
"reg0" : if_indextoname(mifp->m6_ifp, ifname));
xo_emit(" {:received-packets/%9ju} {:sent-packets/%9ju}\n",
(uintmax_t)mifp->m6_pkt_in,
(uintmax_t)mifp->m6_pkt_out);
xo_close_instance("multicast-interface");
}
if (banner_printed)
xo_open_list("multicast-interface");
else
xo_emit("\n{T:IPv6 Multicast Interface Table is empty}\n");
len = sizeof(mf6ctable);
if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len, NULL, 0) <
0) {
xo_warn("sysctl: net.inet6.ip6.mf6ctable");
return;
}
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) {
xo_open_list("multicast-forwarding-cache");
xo_emit("\n"
"{T:IPv6 Multicast Forwarding Cache}\n");
xo_emit(" {T:%-*.*s} {T:%-*.*s} {T:%s}",
WID_ORG, WID_ORG, "Origin",
WID_GRP, WID_GRP, "Group",
" Packets Waits In-Mif Out-Mifs\n");
banner_printed = 1;
}
xo_open_instance("multicast-forwarding-cache");
xo_emit(" {:origin/%-*.*s}", WID_ORG, WID_ORG,
routename(sin6tosa(&mfc.mf6c_origin),
numeric_addr));
xo_emit(" {:group/%-*.*s}", WID_GRP, WID_GRP,
routename(sin6tosa(&mfc.mf6c_mcastgrp),
numeric_addr));
xo_emit(" {:total-packets/%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;
}
xo_emit(" {:waitings/%3ld}", waitings);
if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
xo_emit(" --- ");
else
xo_emit(" {:parent/%3d} ", mfc.mf6c_parent);
xo_open_list("mif");
for (mifi = 0; mifi <= maxmif; mifi++) {
if (IF_ISSET(mifi, &mfc.mf6c_ifset))
xo_emit(" {l:%u}", mifi);
}
xo_close_list("mif");
xo_emit("\n");
mfcp = mfc.mf6c_next;
xo_close_instance("multicast-forwarding-cache");
}
}
if (banner_printed)
xo_close_list("multicast-forwarding-cache");
else
xo_emit("\n{T:IPv6 Multicast Forwarding Table is empty}\n");
xo_emit("\n");
numeric_addr = saved_numeric_addr;
}
void
mrt6_stats(void)
{
struct mrt6stat mrtstat;
if (fetch_stats("net.inet6.ip6.mrt6stat", 0, &mrtstat,
sizeof(mrtstat), kread_counters) != 0)
return;
xo_open_container("multicast-statistics");
xo_emit("{T:IPv6 multicast forwarding}:\n");
#define p(f, m) if (mrtstat.f || sflag <= 1) \
xo_emit(m, (uintmax_t)mrtstat.f, plural(mrtstat.f))
#define p2(f, m) if (mrtstat.f || sflag <= 1) \
xo_emit(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f))
p(mrt6s_mfc_lookups, "\t{:cache-lookups/%ju} "
"{N:/multicast forwarding cache lookup%s}\n");
p2(mrt6s_mfc_misses, "\t{:cache-misses/%ju} "
"{N:/multicast forwarding cache miss%s}\n");
p(mrt6s_upcalls, "\t{:upcalls/%ju} "
"{N:/upcall%s to multicast routing daemon}\n");
p(mrt6s_upq_ovflw, "\t{:upcall-overflows/%ju} "
"{N:/upcall queue overflow%s}\n");
p(mrt6s_upq_sockfull, "\t{:upcalls-dropped-full-buffer/%ju} "
"{N:/upcall%s dropped due to full socket buffer}\n");
p(mrt6s_cache_cleanups, "\t{:cache-cleanups/%ju} "
"{N:/cache cleanup%s}\n");
p(mrt6s_no_route, "\t{:dropped-no-origin/%ju} "
"{N:/datagram%s with no route for origin}\n");
p(mrt6s_bad_tunnel, "\t{:dropped-bad-tunnel/%ju} "
"{N:/datagram%s arrived with bad tunneling}\n");
p(mrt6s_cant_tunnel, "\t{:dropped-could-not-tunnel/%ju} "
"{N:/datagram%s could not be tunneled}\n");
p(mrt6s_wrong_if, "\t{:dropped-wrong-incoming-interface/%ju} "
"{N:/datagram%s arrived on wrong interface}\n");
p(mrt6s_drop_sel, "\t{:dropped-selectively/%ju} "
"{N:/datagram%s selectively dropped}\n");
p(mrt6s_q_overflow, "\t{:dropped-queue-overflow/%ju} "
"{N:/datagram%s dropped due to queue overflow}\n");
p(mrt6s_pkt2large, "\t{:dropped-too-large/%ju} "
"{N:/datagram%s dropped for being too large}\n");
#undef p2
#undef p
xo_close_container("multicast-statistics");
}
#endif /*INET6*/