netstat.tproj/mroute6.c

   1 /*
   2  * Copyright (C) 1998 WIDE Project.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the project nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  29
  30 /*
  31  * Copyright (c) 1989 Stephen Deering
  32  * Copyright (c) 1992, 1993
  33  *      The Regents of the University of California.  All rights reserved.
  34  *
  35  * This code is derived from software contributed to Berkeley by
  36  * Stephen Deering of Stanford University.
  37  *
  38  * Redistribution and use in source and binary forms, with or without
  39  * modification, are permitted provided that the following conditions
  40  * are met:
  41  * 1. Redistributions of source code must retain the above copyright
  42  *    notice, this list of conditions and the following disclaimer.
  43  * 2. Redistributions in binary form must reproduce the above copyright
  44  *    notice, this list of conditions and the following disclaimer in the
  45  *    documentation and/or other materials provided with the distribution.
  46  * 3. All advertising materials mentioning features or use of this software
  47  *    must display the following acknowledgement:
  48  *      This product includes software developed by the University of
  49  *      California, Berkeley and its contributors.
  50  * 4. Neither the name of the University nor the names of its contributors
  51  *    may be used to endorse or promote products derived from this software
  52  *    without specific prior written permission.
  53  *
  54  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  55  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  56  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  57  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  58  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  59  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  60  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  61  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  62  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  63  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  64  * SUCH DAMAGE.
  65  *
  66  *      @(#)mroute.c    8.2 (Berkeley) 4/28/95
  67  *      $FreeBSD: src/usr.bin/netstat/mroute6.c,v 1.1.2.5 2001/08/10 09:07:09 ru Exp $
  68  */
  69
  70 #ifdef INET6
  71 #include <sys/param.h>
  72 #include <sys/queue.h>
  73 #include <sys/socket.h>
  74 #include <sys/socketvar.h>
  75 #include <sys/sysctl.h>
  76
  77 #include <net/if.h>
  78 #include <net/if_var.h>
  79 #include <net/route.h>
  80
  81 #include <netinet/in.h>
  82
  83 #include <stdio.h>
  84 #include <stdlib.h>
  85 #include <err.h>
  86
  87 #define KERNEL 1
  88 #include <netinet6/ip6_mroute.h>
  89 #undef KERNEL
  90
  91 #include "netstat.h"
  92
  93 #define WID_ORG (lflag ? 39 : (nflag ? 29 : 18)) /* width of origin column */
  94 #define WID_GRP (lflag ? 18 : (nflag ? 16 : 18)) /* width of group column */
  95
  96 void
  97 mroute6pr(void)
  98 {
  99         struct mf6c **mf6ctable = 0, *mfcp;
 100         struct mif6 mif6table[MAXMIFS];
 101         struct mf6c mfc;
 102         struct rtdetq *rtep;
 103         register struct mif6 *mifp;
 104         register mifi_t mifi;
 105         register int i;
 106         register int banner_printed;
 107         register int saved_nflag;
 108         mifi_t maxmif = 0;
 109         long int waitings;
 110         size_t len;
 111
 112         len = sizeof(mif6table);
 113         if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len, 0, 9) == -1) {
 114                 printf("No IPv6 multicast routing compiled into this system.\n");
 115                 return;
 116         }
 117
 118         saved_nflag = nflag;
 119         nflag = 1;
 120
 121         banner_printed = 0;
 122         for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
 123                 struct ifnet ifnet;
 124                 char ifname[IFNAMSIZ];
 125
 126                 if (mifp->m6_ifp == NULL)
 127                         continue;
 128
 129                 /*
 130                  *      m6_ifp should be ifindex instead of ifnet pointer
 131                  *
 132                  *      kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
 133                  */
 134                 maxmif = mifi;
 135                 if (!banner_printed) {
 136                         printf("\nIPv6 Multicast Interface Table\n"
 137                                " Mif   Rate   PhyIF   "
 138                                "Pkts-In   Pkts-Out\n");
 139                         banner_printed = 1;
 140                 }
 141
 142                 printf("  %2u   %4d",
 143                        mifi, mifp->m6_rate_limit);
 144                 printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
 145                        "reg0" : if_indextoname(ifnet.if_index, ifname));
 146
 147                 printf(" %9llu  %9llu\n", (unsigned long long)mifp->m6_pkt_in,
 148                     (unsigned long long)mifp->m6_pkt_out);
 149         }
 150         if (!banner_printed)
 151                 printf("\nIPv6 Multicast Interface Table is empty\n");
 152
 153         len = sizeof(MF6CTBLSIZ * sizeof(struct mf6c));
 154         mf6ctable = malloc(len);
 155         if (mf6ctable == 0)
 156                 return;
 157         if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len, 0, 0) == -1) {
 158                 printf("No IPv6 multicast routing compiled into this system.\n");
 159                 free(mf6ctable);
 160                 return;
 161         }
 162         banner_printed = 0;
 163         for (i = 0; i < MF6CTBLSIZ; ++i) {
 164                 mfcp = mf6ctable[i];
 165                 while(mfcp) {
 166                         if (!banner_printed) {
 167                                 printf ("\nIPv6 Multicast Forwarding Cache\n");
 168                                 printf(" %-*.*s %-*.*s %s",
 169                                        WID_ORG, WID_ORG, "Origin",
 170                                        WID_GRP, WID_GRP, "Group",
 171                                        "  Packets Waits In-Mif  Out-Mifs\n");
 172                                 banner_printed = 1;
 173                         }
 174
 175                         printf(" %-*.*s", WID_ORG, WID_ORG,
 176                                routename6(&mfc.mf6c_origin));
 177                         printf(" %-*.*s", WID_GRP, WID_GRP,
 178                                routename6(&mfc.mf6c_mcastgrp));
 179                         printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
 180
 181                         for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
 182                                 /* The sysctl should return the number of packet waiting
 183                                  *      struct rtdetq rte;
 184                                  *      kread((u_long)rtep, (char *)&rte, sizeof(rte));
 185                                  *      rtep = rte.next;
 186                                  */
 187                                 waitings++;
 188                         }
 189                         printf("   %3ld", waitings);
 190
 191                         if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
 192                                 printf(" ---   ");
 193                         else
 194                                 printf("  %3d   ", mfc.mf6c_parent);
 195                         for (mifi = 0; mifi <= maxmif; mifi++) {
 196                                 if (IF_ISSET(mifi, &mfc.mf6c_ifset))
 197                                         printf(" %u", mifi);
 198                         }
 199                         printf("\n");
 200
 201                         mfcp = mfc.mf6c_next;
 202                 }
 203         }
 204         if (!banner_printed)
 205                 printf("\nIPv6 Multicast Routing Table is empty\n");
 206
 207         printf("\n");
 208         nflag = saved_nflag;
 209
 210         free(mf6ctable);
 211 }
 212
 213 void
 214 mrt6_stats(void)
 215 {
 216         struct mrt6stat mrtstat;
 217         size_t len;
 218
 219         len = sizeof(mrtstat);
 220         if (sysctlbyname("net.inet6.ip6.mrt6stat", &mrtstat, &len, 0, 0) == -1) {
 221                 printf("No IPv6 multicast routing compiled into this system\n");
 222                 return;
 223         }
 224         printf("IPv6 multicast forwarding:\n");
 225         printf(" %10llu multicast forwarding cache lookup%s\n",
 226             (unsigned long long)mrtstat.mrt6s_mfc_lookups,
 227             plural(mrtstat.mrt6s_mfc_lookups));
 228         printf(" %10llu multicast forwarding cache miss%s\n",
 229             (unsigned long long)mrtstat.mrt6s_mfc_misses,
 230             plurales(mrtstat.mrt6s_mfc_misses));
 231         printf(" %10llu upcall%s to mrouted\n",
 232             (unsigned long long)mrtstat.mrt6s_upcalls,
 233             plural(mrtstat.mrt6s_upcalls));
 234         printf(" %10llu upcall llueue overflow%s\n",
 235             (unsigned long long)mrtstat.mrt6s_upq_ovflw,
 236             plural(mrtstat.mrt6s_upq_ovflw));
 237         printf(" %10llu upcall%s dropped due to full socket buffer\n",
 238             (unsigned long long)mrtstat.mrt6s_upq_sockfull,
 239             plural(mrtstat.mrt6s_upq_sockfull));
 240         printf(" %10llu cache cleanup%s\n",
 241             (unsigned long long)mrtstat.mrt6s_cache_cleanups,
 242             plural(mrtstat.mrt6s_cache_cleanups));
 243         printf(" %10llu datagram%s with no route for origin\n",
 244             (unsigned long long)mrtstat.mrt6s_no_route,
 245             plural(mrtstat.mrt6s_no_route));
 246         printf(" %10llu datagram%s arrived with bad tunneling\n",
 247             (unsigned long long)mrtstat.mrt6s_bad_tunnel,
 248             plural(mrtstat.mrt6s_bad_tunnel));
 249         printf(" %10llu datagram%s could not be tunneled\n",
 250             (unsigned long long)mrtstat.mrt6s_cant_tunnel,
 251             plural(mrtstat.mrt6s_cant_tunnel));
 252         printf(" %10llu datagram%s arrived on wrong interface\n",
 253             (unsigned long long)mrtstat.mrt6s_wrong_if,
 254             plural(mrtstat.mrt6s_wrong_if));
 255         printf(" %10llu datagram%s selectively dropped\n",
 256             (unsigned long long)mrtstat.mrt6s_drop_sel,
 257             plural(mrtstat.mrt6s_drop_sel));
 258         printf(" %10llu datagram%s dropped due to llueue overflow\n",
 259             (unsigned long long)mrtstat.mrt6s_q_overflow,
 260             plural(mrtstat.mrt6s_q_overflow));
 261         printf(" %10llu datagram%s dropped for being too large\n",
 262             (unsigned long long)mrtstat.mrt6s_pkt2large,
 263             plural(mrtstat.mrt6s_pkt2large));
 264 }
 265 #endif /*INET6*/