source: rtems-libbsd/freebsd-userspace/commands/usr.bin/netstat/mroute6.c @ f1710b6

/*-
 * 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("$FreeBSD$");

#ifdef INET6
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#ifdef __rtems__
#include <freebsd/sys/protosw.h>
#else
#include <sys/protosw.h>
#endif
#ifdef __rtems__
#include <freebsd/sys/mbuf.h>
#else
#include <sys/mbuf.h>
#endif
#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*/