66dfcc8533
The port forces the use of sysctl(7), as obtaining information through KVM is not and will never be viable. The sysctl mode of netstat(1) is currently somewhat limited and buggy, though. We fix a few minimal issues, but more improvements will have to come from NetBSD reimports. Some of netstat(1)'s views are currently not supported by the operating system. Later improvements on this point will not require changes to the imported code, though. Change-Id: If74a6811f0fc81bd1ecc31010a28379b14b2a0eb
302 lines
10 KiB
C
302 lines
10 KiB
C
/* $NetBSD: mroute6.c,v 1.15 2014/11/06 21:30:09 christos Exp $ */
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/*
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* Copyright (C) 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Stephen Deering of Stanford University.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)mroute.c 8.2 (Berkeley) 4/28/95
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*/
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/*
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* Copyright (c) 1989 Stephen Deering
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*
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* This code is derived from software contributed to Berkeley by
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* Stephen Deering of Stanford University.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)mroute.c 8.2 (Berkeley) 4/28/95
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*/
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/protosw.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#define _KERNEL 1
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#include <netinet6/ip6_mroute.h>
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#undef _KERNEL
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#include <stdio.h>
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#include <kvm.h>
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#include "netstat.h"
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#include "rtutil.h"
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#ifdef INET6
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#define WID_ORG (lflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
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#define WID_GRP (lflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
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void
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mroute6pr(u_long mrpaddr, u_long mfcaddr, u_long mifaddr)
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{
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u_int mrtproto;
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struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
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struct mif6 mif6table[MAXMIFS];
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struct mf6c mfc;
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struct rtdetq rte, *rtep;
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register struct mif6 *mifp;
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register mifi_t mifi;
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register int i;
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register int banner_printed;
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register int saved_numeric_addr;
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int waitings;
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if (mrpaddr == 0) {
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printf("mroute6pr: symbol not in namelist\n");
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return;
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}
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kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
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switch (mrtproto) {
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case 0:
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printf("no IPv6 multicast routing compiled into this system\n");
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return;
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case IPPROTO_PIM:
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break;
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default:
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printf("IPv6 multicast routing protocol %u, unknown\n",
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mrtproto);
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return;
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}
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if (mfcaddr == 0) {
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printf("mf6ctable: symbol not in namelist\n");
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return;
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}
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if (mifaddr == 0) {
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printf("miftable: symbol not in namelist\n");
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return;
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}
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saved_numeric_addr = numeric_addr;
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numeric_addr = 1;
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kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
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banner_printed = 0;
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for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
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struct ifnet ifnet;
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char ifname[IFNAMSIZ];
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if (mifp->m6_ifp == NULL)
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continue;
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kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
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if (!banner_printed) {
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printf("\nIPv6 Multicast Interface Table\n"
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" Mif Rate PhyIF Pkts-In Pkts-Out\n");
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banner_printed = 1;
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}
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printf(" %2u %4d", mifi, mifp->m6_rate_limit);
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printf(" %5s", (mifp->m6_flags & MIFF_REGISTER) ?
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"reg0" : if_indextoname(ifnet.if_index, ifname));
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printf(" %9llu %9llu\n", (unsigned long long)mifp->m6_pkt_in,
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(unsigned long long)mifp->m6_pkt_out);
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}
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if (!banner_printed)
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printf("\nIPv6 Multicast Interface Table is empty\n");
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kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
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banner_printed = 0;
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for (i = 0; i < MF6CTBLSIZ; ++i) {
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mfcp = mf6ctable[i];
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while(mfcp) {
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kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
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if (!banner_printed) {
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printf ("\nIPv6 Multicast Forwarding Cache\n");
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printf(" %-*.*s %-*.*s %s",
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WID_ORG, WID_ORG, "Origin",
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WID_GRP, WID_GRP, "Group",
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" Packets Waits In-Mif Out-Mifs\n");
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banner_printed = 1;
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}
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printf(" %-*.*s", WID_ORG, WID_ORG,
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routename6(&mfc.mf6c_origin, nflag));
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printf(" %-*.*s", WID_GRP, WID_GRP,
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routename6(&mfc.mf6c_mcastgrp, nflag));
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printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
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for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
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waitings++;
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kread((u_long)rtep, (char *)&rte, sizeof(rte));
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rtep = rte.next;
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}
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printf(" %3d", waitings);
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if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
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printf(" --- ");
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else
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printf(" %3d ", mfc.mf6c_parent);
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for (mifi = 0; mifi <= MAXMIFS; mifi++) {
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if (IF_ISSET(mifi, &mfc.mf6c_ifset))
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printf(" %u", mifi);
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}
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printf("\n");
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mfcp = mfc.mf6c_next;
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}
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}
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if (!banner_printed)
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printf("\nIPv6 Multicast Routing Table is empty\n");
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printf("\n");
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numeric_addr = saved_numeric_addr;
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}
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void
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mrt6_stats(u_long mrpaddr, u_long mstaddr)
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{
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#define p(f, m) printf(m, (unsigned long long)mrtstat.f, plural(mrtstat.f))
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#define pes(f, m) printf(m, (unsigned long long)mrtstat.f, plurales(mrtstat.f))
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u_int mrtproto;
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struct mrt6stat mrtstat;
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if (mrpaddr == 0) {
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printf("mrt6_stats: symbol not in namelist\n");
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return;
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}
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kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
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switch (mrtproto) {
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case 0:
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printf("no IPv6 multicast routing compiled into this system\n");
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return;
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case IPPROTO_PIM:
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break;
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default:
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printf("IPv6 multicast routing protocol %u, unknown\n",
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mrtproto);
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return;
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}
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if (mstaddr == 0) {
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printf("mrt6_stats: symbol not in namelist\n");
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return;
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}
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kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
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printf("multicast forwarding:\n");
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p(mrt6s_mfc_lookups, " %10llu multicast forwarding cache lookup%s\n");
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pes(mrt6s_mfc_misses, " %10llu multicast forwarding cache miss%s\n");
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p(mrt6s_upcalls, " %10llu upcall%s to mrouted\n");
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p(mrt6s_upq_ovflw, " %10llu upcall queue overflow%s\n");
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p(mrt6s_upq_sockfull,
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" %10llu upcall%s dropped due to full socket buffer\n");
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p(mrt6s_cache_cleanups, " %10llu cache cleanup%s\n");
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p(mrt6s_no_route, " %10llu datagram%s with no route for origin\n");
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p(mrt6s_bad_tunnel, " %10llu datagram%s arrived with bad tunneling\n");
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p(mrt6s_cant_tunnel, " %10llu datagram%s could not be tunneled\n");
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p(mrt6s_wrong_if, " %10llu datagram%s arrived on wrong interface\n");
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p(mrt6s_drop_sel, " %10llu datagram%s selectively dropped\n");
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p(mrt6s_q_overflow,
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" %10llu datagram%s dropped due to queue overflow\n");
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p(mrt6s_pkt2large, " %10llu datagram%s dropped for being too large\n");
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#undef p
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#undef pes
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}
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#endif /*INET6*/
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