usr.bin/netstat/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. Neither the name of the University nor the names of its contributors
  47  *    may be used to endorse or promote products derived from this software
  48  *    without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  60  * SUCH DAMAGE.
  61  *
  62  *      @(#)mroute.c    8.2 (Berkeley) 4/28/95
  63  *      $FreeBSD: src/usr.bin/netstat/mroute6.c,v 1.1.2.9 2002/07/09 04:05:20 suz Exp $
  64  *      $DragonFly: src/usr.bin/netstat/mroute6.c,v 1.3 2005/08/04 17:31:23 drhodus Exp $
  65  */
  66
  67 #define _KERNEL_STRUCTURES
  68 #ifdef INET6
  69 #include <sys/param.h>
  70 #include <sys/queue.h>
  71 #include <sys/socket.h>
  72 #include <sys/socketvar.h>
  73 #include <sys/protosw.h>
  74
  75 #include <net/if.h>
  76 #include <net/if_var.h>
  77 #include <net/route.h>
  78
  79 #include <netinet/in.h>
  80
  81 #include <stdio.h>
  82
  83 #include <netinet6/ip6_mroute.h>
  84
  85 #include "netstat.h"
  86
  87 #define WID_ORG (Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
  88 #define WID_GRP (Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
  89
  90 void
  91 mroute6pr(u_long mfcaddr, u_long mifaddr)
  92 {
  93         struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
  94         struct mif6 mif6table[MAXMIFS];
  95         struct mf6c mfc;
  96         struct rtdetq rte, *rtep;
  97         struct mif6 *mifp;
  98         mifi_t mifi;
  99         int i;
 100         int banner_printed;
 101         int saved_numeric_addr;
 102         mifi_t maxmif = 0;
 103         long int waitings;
 104
 105         if (mfcaddr == 0 || mifaddr == 0) {
 106                 printf("No IPv6 multicast routing compiled into this"
 107                        " system.\n");
 108                 return;
 109         }
 110
 111         saved_numeric_addr = numeric_addr;
 112         numeric_addr = 1;
 113
 114         kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
 115         banner_printed = 0;
 116         for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
 117                 struct ifnet ifnet;
 118                 char ifname[IFNAMSIZ];
 119
 120                 if (mifp->m6_ifp == NULL)
 121                         continue;
 122
 123                 kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
 124                 maxmif = mifi;
 125                 if (!banner_printed) {
 126                         printf("\nIPv6 Multicast Interface Table\n"
 127                                " Mif   Rate   PhyIF   "
 128                                "Pkts-In   Pkts-Out\n");
 129                         banner_printed = 1;
 130                 }
 131
 132                 printf("  %2u   %4d",
 133                        mifi, mifp->m6_rate_limit);
 134                 printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
 135                        "reg0" : if_indextoname(ifnet.if_index, ifname));
 136
 137                 printf(" %9llu  %9llu\n", (unsigned long long)mifp->m6_pkt_in,
 138                     (unsigned long long)mifp->m6_pkt_out);
 139         }
 140         if (!banner_printed)
 141                 printf("\nIPv6 Multicast Interface Table is empty\n");
 142
 143         kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
 144         banner_printed = 0;
 145         for (i = 0; i < MF6CTBLSIZ; ++i) {
 146                 mfcp = mf6ctable[i];
 147                 while(mfcp) {
 148                         kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
 149                         if (!banner_printed) {
 150                                 printf ("\nIPv6 Multicast Forwarding Cache\n");
 151                                 printf(" %-*.*s %-*.*s %s",
 152                                        WID_ORG, WID_ORG, "Origin",
 153                                        WID_GRP, WID_GRP, "Group",
 154                                        "  Packets Waits In-Mif  Out-Mifs\n");
 155                                 banner_printed = 1;
 156                         }
 157
 158                         printf(" %-*.*s", WID_ORG, WID_ORG,
 159                                routename6(&mfc.mf6c_origin));
 160                         printf(" %-*.*s", WID_GRP, WID_GRP,
 161                                routename6(&mfc.mf6c_mcastgrp));
 162                         printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
 163
 164                         for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
 165                                 waitings++;
 166                                 kread((u_long)rtep, (char *)&rte, sizeof(rte));
 167                                 rtep = rte.next;
 168                         }
 169                         printf("   %3ld", waitings);
 170
 171                         if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
 172                                 printf(" ---   ");
 173                         else
 174                                 printf("  %3d   ", mfc.mf6c_parent);
 175                         for (mifi = 0; mifi <= maxmif; mifi++) {
 176                                 if (IF_ISSET(mifi, &mfc.mf6c_ifset))
 177                                         printf(" %u", mifi);
 178                         }
 179                         printf("\n");
 180
 181                         mfcp = mfc.mf6c_next;
 182                 }
 183         }
 184         if (!banner_printed)
 185                 printf("\nIPv6 Multicast Routing Table is empty\n");
 186
 187         printf("\n");
 188         numeric_addr = saved_numeric_addr;
 189 }
 190
 191 void
 192 mrt6_stats(u_long mstaddr)
 193 {
 194         struct mrt6stat mrtstat;
 195
 196         if (mstaddr == 0) {
 197                 printf("No IPv6 multicast routing compiled into this"
 198                        " system.\n");
 199                 return;
 200         }
 201
 202         kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
 203         printf("IPv6 multicast forwarding:\n");
 204
 205 #define p(f, m) if (mrtstat.f || sflag <= 1) \
 206         printf(m, (unsigned long long)mrtstat.f, plural(mrtstat.f))
 207 #define p2(f, m) if (mrtstat.f || sflag <= 1) \
 208         printf(m, (unsigned long long)mrtstat.f, plurales(mrtstat.f))
 209
 210         p(mrt6s_mfc_lookups, "\t%llu multicast forwarding cache lookup%s\n");
 211         p2(mrt6s_mfc_misses, "\t%llu multicast forwarding cache miss%s\n");
 212         p(mrt6s_upcalls, "\t%llu upcall%s to mrouted\n");
 213         p(mrt6s_upq_ovflw, "\t%llu upcall queue overflow%s\n");
 214         p(mrt6s_upq_sockfull,
 215             "\t%llu upcall%s dropped due to full socket buffer\n");
 216         p(mrt6s_cache_cleanups, "\t%llu cache cleanup%s\n");
 217         p(mrt6s_no_route, "\t%llu datagram%s with no route for origin\n");
 218         p(mrt6s_bad_tunnel, "\t%llu datagram%s arrived with bad tunneling\n");
 219         p(mrt6s_cant_tunnel, "\t%llu datagram%s could not be tunneled\n");
 220         p(mrt6s_wrong_if, "\t%llu datagram%s arrived on wrong interface\n");
 221         p(mrt6s_drop_sel, "\t%llu datagram%s selectively dropped\n");
 222         p(mrt6s_q_overflow,
 223             "\t%llu datagram%s dropped due to queue overflow\n");
 224         p(mrt6s_pkt2large, "\t%llu datagram%s dropped for being too large\n");
 225
 226 #undef  p2
 227 #undef  p
 228 }
 229 #endif /*INET6*/