1175061Sobrien/*- 256722Sshin * Copyright (C) 1998 WIDE Project. 356722Sshin * All rights reserved. 456722Sshin * 556722Sshin * Redistribution and use in source and binary forms, with or without 656722Sshin * modification, are permitted provided that the following conditions 756722Sshin * are met: 856722Sshin * 1. Redistributions of source code must retain the above copyright 956722Sshin * notice, this list of conditions and the following disclaimer. 1056722Sshin * 2. Redistributions in binary form must reproduce the above copyright 1156722Sshin * notice, this list of conditions and the following disclaimer in the 1256722Sshin * documentation and/or other materials provided with the distribution. 1356722Sshin * 3. Neither the name of the project nor the names of its contributors 1456722Sshin * may be used to endorse or promote products derived from this software 1556722Sshin * without specific prior written permission. 1656722Sshin * 1756722Sshin * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 1856722Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1956722Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2056722Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 2156722Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2256722Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2356722Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2456722Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2556722Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2656722Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2756722Sshin * SUCH DAMAGE. 2856722Sshin */ 29175061Sobrien/*- 3056722Sshin * Copyright (c) 1989 Stephen Deering 3156722Sshin * Copyright (c) 1992, 1993 3256722Sshin * The Regents of the University of California. All rights reserved. 3356722Sshin * 3456722Sshin * This code is derived from software contributed to Berkeley by 3556722Sshin * Stephen Deering of Stanford University. 3656722Sshin * 3756722Sshin * Redistribution and use in source and binary forms, with or without 3856722Sshin * modification, are permitted provided that the following conditions 3956722Sshin * are met: 4056722Sshin * 1. Redistributions of source code must retain the above copyright 4156722Sshin * notice, this list of conditions and the following disclaimer. 4256722Sshin * 2. Redistributions in binary form must reproduce the above copyright 4356722Sshin * notice, this list of conditions and the following disclaimer in the 4456722Sshin * documentation and/or other materials provided with the distribution. 4556722Sshin * 3. All advertising materials mentioning features or use of this software 4656722Sshin * must display the following acknowledgement: 4756722Sshin * This product includes software developed by the University of 4856722Sshin * California, Berkeley and its contributors. 4956722Sshin * 4. Neither the name of the University nor the names of its contributors 5056722Sshin * may be used to endorse or promote products derived from this software 5156722Sshin * without specific prior written permission. 5256722Sshin * 5356722Sshin * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 5456722Sshin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 5556722Sshin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 5656722Sshin * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 5756722Sshin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 5856722Sshin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 5956722Sshin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 6056722Sshin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 6156722Sshin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 6256722Sshin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 6356722Sshin * SUCH DAMAGE. 6456722Sshin * 6556722Sshin * @(#)mroute.c 8.2 (Berkeley) 4/28/95 6656722Sshin */ 6756722Sshin 68132671Scharnier#include <sys/cdefs.h> 69132671Scharnier__FBSDID("$FreeBSD: releng/10.3/usr.bin/netstat/mroute6.c 293307 2016-01-07 07:21:37Z markj $"); 70132671Scharnier 7164342Sume#ifdef INET6 7256722Sshin#include <sys/param.h> 7356722Sshin#include <sys/queue.h> 7456722Sshin#include <sys/socket.h> 7556722Sshin#include <sys/socketvar.h> 76166952Sbms#include <sys/sysctl.h> 7756722Sshin#include <sys/protosw.h> 78166952Sbms#include <sys/mbuf.h> 79166952Sbms#include <sys/time.h> 8056722Sshin 8156722Sshin#include <net/if.h> 8256722Sshin#include <net/if_var.h> 8378064Sume#include <net/route.h> 8456722Sshin 8556722Sshin#include <netinet/in.h> 8656722Sshin 87166952Sbms#include <err.h> 88263335Sglebius#include <nlist.h> 89160787Syar#include <stdint.h> 9056722Sshin#include <stdio.h> 91166952Sbms#include <stdlib.h> 9256722Sshin 9356722Sshin#define KERNEL 1 9456722Sshin#include <netinet6/ip6_mroute.h> 9556722Sshin#undef KERNEL 9656722Sshin 9756722Sshin#include "netstat.h" 9856722Sshin 99263335Sglebius/* 100263335Sglebius * kvm(3) bindings for every needed symbol 101263335Sglebius */ 102263335Sglebiusstatic struct nlist mrl[] = { 103263335Sglebius#define N_MF6CTABLE 0 104263335Sglebius { .n_name = "_mf6ctable" }, 105263335Sglebius#define N_MIF6TABLE 1 106263335Sglebius { .n_name = "_mif6table" }, 107263335Sglebius#define N_MRT6STAT 2 108263335Sglebius { .n_name = "_mrt6stat" }, 109263335Sglebius { .n_name = NULL }, 110263335Sglebius}; 111263335Sglebius 112263335Sglebius 11383200Sru#define WID_ORG (Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */ 11483200Sru#define WID_GRP (Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */ 11556722Sshin 11656722Sshinvoid 117263335Sglebiusmroute6pr() 11856722Sshin{ 11956722Sshin struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp; 12056722Sshin struct mif6 mif6table[MAXMIFS]; 12156722Sshin struct mf6c mfc; 12256722Sshin struct rtdetq rte, *rtep; 123102975Sdwmalone struct mif6 *mifp; 124263335Sglebius u_long mfcaddr, mifaddr; 125102975Sdwmalone mifi_t mifi; 126102975Sdwmalone int i; 127102975Sdwmalone int banner_printed; 128102975Sdwmalone int saved_numeric_addr; 12956722Sshin mifi_t maxmif = 0; 13056722Sshin long int waitings; 131166952Sbms size_t len; 13256722Sshin 133263335Sglebius kresolve_list(mrl); 134263335Sglebius mfcaddr = mrl[N_MF6CTABLE].n_value; 135263335Sglebius mifaddr = mrl[N_MIF6TABLE].n_value; 136263335Sglebius 137263335Sglebius if (mfcaddr == 0 || mifaddr == 0) { 138263335Sglebius fprintf(stderr, "No IPv6 MROUTING kernel support.\n"); 139263335Sglebius return; 140263335Sglebius } 141263335Sglebius 142166952Sbms len = sizeof(mif6table); 143171465Sjhb if (live) { 144171465Sjhb if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len, 145171465Sjhb NULL, 0) < 0) { 146171465Sjhb warn("sysctl: net.inet6.ip6.mif6table"); 147166952Sbms return; 148166952Sbms } 149171465Sjhb } else 150166952Sbms kread(mifaddr, (char *)mif6table, sizeof(mif6table)); 15156722Sshin 15278238Sassar saved_numeric_addr = numeric_addr; 15378238Sassar numeric_addr = 1; 154166952Sbms banner_printed = 0; 15556722Sshin 15656722Sshin for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) { 15756722Sshin struct ifnet ifnet; 15856722Sshin char ifname[IFNAMSIZ]; 15956722Sshin 16056722Sshin if (mifp->m6_ifp == NULL) 16156722Sshin continue; 16256722Sshin 163166952Sbms /* XXX KVM */ 16456722Sshin kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet)); 165166952Sbms 16656722Sshin maxmif = mifi; 16756722Sshin if (!banner_printed) { 16856722Sshin printf("\nIPv6 Multicast Interface Table\n" 16956722Sshin " Mif Rate PhyIF " 17056722Sshin "Pkts-In Pkts-Out\n"); 17156722Sshin banner_printed = 1; 17256722Sshin } 17356722Sshin 17456722Sshin printf(" %2u %4d", 17556722Sshin mifi, mifp->m6_rate_limit); 17656722Sshin printf(" %5s", (mifp->m6_flags & MIFF_REGISTER) ? 17756722Sshin "reg0" : if_indextoname(ifnet.if_index, ifname)); 17856722Sshin 179160787Syar printf(" %9ju %9ju\n", (uintmax_t)mifp->m6_pkt_in, 180160787Syar (uintmax_t)mifp->m6_pkt_out); 18156722Sshin } 18256722Sshin if (!banner_printed) 18356722Sshin printf("\nIPv6 Multicast Interface Table is empty\n"); 18456722Sshin 185166952Sbms len = sizeof(mf6ctable); 186171465Sjhb if (live) { 187171465Sjhb if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len, 188171465Sjhb NULL, 0) < 0) { 189171465Sjhb warn("sysctl: net.inet6.ip6.mf6ctable"); 190166952Sbms return; 191166952Sbms } 192171465Sjhb } else 193166952Sbms kread(mfcaddr, (char *)mf6ctable, sizeof(mf6ctable)); 194166952Sbms 19556722Sshin banner_printed = 0; 196166952Sbms 19756722Sshin for (i = 0; i < MF6CTBLSIZ; ++i) { 19856722Sshin mfcp = mf6ctable[i]; 19956722Sshin while(mfcp) { 20056722Sshin kread((u_long)mfcp, (char *)&mfc, sizeof(mfc)); 20156722Sshin if (!banner_printed) { 20256722Sshin printf ("\nIPv6 Multicast Forwarding Cache\n"); 20356722Sshin printf(" %-*.*s %-*.*s %s", 20456722Sshin WID_ORG, WID_ORG, "Origin", 20556722Sshin WID_GRP, WID_GRP, "Group", 20656722Sshin " Packets Waits In-Mif Out-Mifs\n"); 20756722Sshin banner_printed = 1; 20856722Sshin } 20956722Sshin 21056722Sshin printf(" %-*.*s", WID_ORG, WID_ORG, 21156722Sshin routename6(&mfc.mf6c_origin)); 21256722Sshin printf(" %-*.*s", WID_GRP, WID_GRP, 21356722Sshin routename6(&mfc.mf6c_mcastgrp)); 214160787Syar printf(" %9ju", (uintmax_t)mfc.mf6c_pkt_cnt); 21556722Sshin 21656722Sshin for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) { 21756722Sshin waitings++; 218166952Sbms /* XXX KVM */ 21956722Sshin kread((u_long)rtep, (char *)&rte, sizeof(rte)); 22056722Sshin rtep = rte.next; 22156722Sshin } 22256722Sshin printf(" %3ld", waitings); 22356722Sshin 22456722Sshin if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT) 22556722Sshin printf(" --- "); 22656722Sshin else 22756722Sshin printf(" %3d ", mfc.mf6c_parent); 22856722Sshin for (mifi = 0; mifi <= maxmif; mifi++) { 22956722Sshin if (IF_ISSET(mifi, &mfc.mf6c_ifset)) 23056722Sshin printf(" %u", mifi); 23156722Sshin } 23256722Sshin printf("\n"); 23356722Sshin 23456722Sshin mfcp = mfc.mf6c_next; 23556722Sshin } 23656722Sshin } 23756722Sshin if (!banner_printed) 238166952Sbms printf("\nIPv6 Multicast Forwarding Table is empty\n"); 23956722Sshin 24056722Sshin printf("\n"); 24178238Sassar numeric_addr = saved_numeric_addr; 24256722Sshin} 24356722Sshin 24456722Sshinvoid 245263335Sglebiusmrt6_stats() 24656722Sshin{ 24756722Sshin struct mrt6stat mrtstat; 248263335Sglebius u_long mstaddr; 24956722Sshin 250263335Sglebius kresolve_list(mrl); 251263335Sglebius mstaddr = mrl[N_MRT6STAT].n_value; 252263335Sglebius 253263335Sglebius if (mstaddr == 0) { 254263335Sglebius fprintf(stderr, "No IPv6 MROUTING kernel support.\n"); 255263335Sglebius return; 256263335Sglebius } 257293307Smarkj if (fetch_stats("net.inet6.ip6.mrt6stat", 0, &mrtstat, 258293307Smarkj sizeof(mrtstat), kread_counters) != 0) 259293307Smarkj return; 260263335Sglebius 26156722Sshin printf("IPv6 multicast forwarding:\n"); 26283204Sru 26383204Sru#define p(f, m) if (mrtstat.f || sflag <= 1) \ 264160787Syar printf(m, (uintmax_t)mrtstat.f, plural(mrtstat.f)) 26583204Sru#define p2(f, m) if (mrtstat.f || sflag <= 1) \ 266160787Syar printf(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f)) 26783204Sru 268160787Syar p(mrt6s_mfc_lookups, "\t%ju multicast forwarding cache lookup%s\n"); 269160787Syar p2(mrt6s_mfc_misses, "\t%ju multicast forwarding cache miss%s\n"); 270162797Sbms p(mrt6s_upcalls, "\t%ju upcall%s to multicast routing daemon\n"); 271160787Syar p(mrt6s_upq_ovflw, "\t%ju upcall queue overflow%s\n"); 27283204Sru p(mrt6s_upq_sockfull, 273160787Syar "\t%ju upcall%s dropped due to full socket buffer\n"); 274160787Syar p(mrt6s_cache_cleanups, "\t%ju cache cleanup%s\n"); 275160787Syar p(mrt6s_no_route, "\t%ju datagram%s with no route for origin\n"); 276160787Syar p(mrt6s_bad_tunnel, "\t%ju datagram%s arrived with bad tunneling\n"); 277160787Syar p(mrt6s_cant_tunnel, "\t%ju datagram%s could not be tunneled\n"); 278160787Syar p(mrt6s_wrong_if, "\t%ju datagram%s arrived on wrong interface\n"); 279160787Syar p(mrt6s_drop_sel, "\t%ju datagram%s selectively dropped\n"); 28083204Sru p(mrt6s_q_overflow, 281160787Syar "\t%ju datagram%s dropped due to queue overflow\n"); 282160787Syar p(mrt6s_pkt2large, "\t%ju datagram%s dropped for being too large\n"); 28383204Sru 28483204Sru#undef p2 28583204Sru#undef p 28656722Sshin} 28764342Sume#endif /*INET6*/ 288