usr.bin/netstat/mroute6.c

   1 /*      $NetBSD: mroute6.c,v 1.15 2014/11/06 21:30:09 christos Exp $    */
   2
   3 /*
   4  * Copyright (C) 1998 WIDE Project.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the project nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * Copyright (c) 1992, 1993
  34  *      The Regents of the University of California.  All rights reserved.
  35  *
  36  * This code is derived from software contributed to Berkeley by
  37  * Stephen Deering of Stanford University.
  38  *
  39  * Redistribution and use in source and binary forms, with or without
  40  * modification, are permitted provided that the following conditions
  41  * are met:
  42  * 1. Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  * 2. Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in the
  46  *    documentation and/or other materials provided with the distribution.
  47  * 3. Neither the name of the University nor the names of its contributors
  48  *    may be used to endorse or promote products derived from this software
  49  *    without specific prior written permission.
  50  *
  51  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  52  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  53  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  54  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  55  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  56  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  57  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  58  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  61  * SUCH DAMAGE.
  62  *
  63  *      @(#)mroute.c    8.2 (Berkeley) 4/28/95
  64  */
  65
  66 /*
  67  * Copyright (c) 1989 Stephen Deering
  68  *
  69  * This code is derived from software contributed to Berkeley by
  70  * Stephen Deering of Stanford University.
  71  *
  72  * Redistribution and use in source and binary forms, with or without
  73  * modification, are permitted provided that the following conditions
  74  * are met:
  75  * 1. Redistributions of source code must retain the above copyright
  76  *    notice, this list of conditions and the following disclaimer.
  77  * 2. Redistributions in binary form must reproduce the above copyright
  78  *    notice, this list of conditions and the following disclaimer in the
  79  *    documentation and/or other materials provided with the distribution.
  80  * 3. All advertising materials mentioning features or use of this software
  81  *    must display the following acknowledgement:
  82  *      This product includes software developed by the University of
  83  *      California, Berkeley and its contributors.
  84  * 4. Neither the name of the University nor the names of its contributors
  85  *    may be used to endorse or promote products derived from this software
  86  *    without specific prior written permission.
  87  *
  88  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  89  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  90  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  91  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  92  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  93  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  94  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  95  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  96  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  97  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  98  * SUCH DAMAGE.
  99  *
 100  *      @(#)mroute.c    8.2 (Berkeley) 4/28/95
 101  */
 102
 103 #include <sys/param.h>
 104 #include <sys/queue.h>
 105 #include <sys/socket.h>
 106 #include <sys/socketvar.h>
 107 #include <sys/protosw.h>
 108
 109 #include <net/if.h>
 110
 111 #include <netinet/in.h>
 112
 113 #define _KERNEL 1
 114 #include <netinet6/ip6_mroute.h>
 115 #undef _KERNEL
 116
 117 #include <stdio.h>
 118 #include <kvm.h>
 119 #include "netstat.h"
 120 #include "rtutil.h"
 121
 122 #ifdef INET6
 123
 124 #define WID_ORG (lflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
 125 #define WID_GRP (lflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
 126
 127 void
 128 mroute6pr(u_long mrpaddr, u_long mfcaddr, u_long mifaddr)
 129 {
 130         u_int mrtproto;
 131         struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
 132         struct mif6 mif6table[MAXMIFS];
 133         struct mf6c mfc;
 134         struct rtdetq rte, *rtep;
 135         register struct mif6 *mifp;
 136         register mifi_t mifi;
 137         register int i;
 138         register int banner_printed;
 139         register int saved_numeric_addr;
 140         int waitings;
 141
 142         if (mrpaddr == 0) {
 143                 printf("mroute6pr: symbol not in namelist\n");
 144                 return;
 145         }
 146
 147         kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
 148         switch (mrtproto) {
 149         case 0:
 150                 printf("no IPv6 multicast routing compiled into this system\n");
 151                 return;
 152
 153         case IPPROTO_PIM:
 154                 break;
 155
 156         default:
 157                 printf("IPv6 multicast routing protocol %u, unknown\n",
 158                     mrtproto);
 159                 return;
 160         }
 161
 162         if (mfcaddr == 0) {
 163                 printf("mf6ctable: symbol not in namelist\n");
 164                 return;
 165         }
 166         if (mifaddr == 0) {
 167                 printf("miftable: symbol not in namelist\n");
 168                 return;
 169         }
 170
 171         saved_numeric_addr = numeric_addr;
 172         numeric_addr = 1;
 173
 174         kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
 175         banner_printed = 0;
 176         for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
 177                 struct ifnet ifnet;
 178                 char ifname[IFNAMSIZ];
 179
 180                 if (mifp->m6_ifp == NULL)
 181                         continue;
 182
 183                 kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
 184                 if (!banner_printed) {
 185                         printf("\nIPv6 Multicast Interface Table\n"
 186                             " Mif   Rate   PhyIF   Pkts-In   Pkts-Out\n");
 187                         banner_printed = 1;
 188                 }
 189
 190                 printf("  %2u   %4d", mifi, mifp->m6_rate_limit);
 191                 printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
 192                     "reg0" : if_indextoname(ifnet.if_index, ifname));
 193
 194                 printf(" %9llu  %9llu\n", (unsigned long long)mifp->m6_pkt_in,
 195                     (unsigned long long)mifp->m6_pkt_out);
 196         }
 197         if (!banner_printed)
 198                 printf("\nIPv6 Multicast Interface Table is empty\n");
 199
 200         kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
 201         banner_printed = 0;
 202         for (i = 0; i < MF6CTBLSIZ; ++i) {
 203                 mfcp = mf6ctable[i];
 204                 while(mfcp) {
 205                         kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
 206                         if (!banner_printed) {
 207                                 printf ("\nIPv6 Multicast Forwarding Cache\n");
 208                                 printf(" %-*.*s %-*.*s %s",
 209                                     WID_ORG, WID_ORG, "Origin",
 210                                     WID_GRP, WID_GRP, "Group",
 211                                     "  Packets Waits In-Mif  Out-Mifs\n");
 212                                 banner_printed = 1;
 213                         }
 214
 215                         printf(" %-*.*s", WID_ORG, WID_ORG,
 216                             routename6(&mfc.mf6c_origin, nflag));
 217                         printf(" %-*.*s", WID_GRP, WID_GRP,
 218                             routename6(&mfc.mf6c_mcastgrp, nflag));
 219                         printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
 220
 221                         for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
 222                                 waitings++;
 223                                 kread((u_long)rtep, (char *)&rte, sizeof(rte));
 224                                 rtep = rte.next;
 225                         }
 226                         printf("   %3d", waitings);
 227
 228                         if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
 229                                 printf("  ---   ");
 230                         else
 231                                 printf("  %3d   ", mfc.mf6c_parent);
 232                         for (mifi = 0; mifi <= MAXMIFS; mifi++) {
 233                                 if (IF_ISSET(mifi, &mfc.mf6c_ifset))
 234                                         printf(" %u", mifi);
 235                         }
 236                         printf("\n");
 237
 238                         mfcp = mfc.mf6c_next;
 239                 }
 240         }
 241         if (!banner_printed)
 242                 printf("\nIPv6 Multicast Routing Table is empty\n");
 243
 244         printf("\n");
 245         numeric_addr = saved_numeric_addr;
 246 }
 247
 248 void
 249 mrt6_stats(u_long mrpaddr, u_long mstaddr)
 250 {
 251 #define p(f, m) printf(m, (unsigned long long)mrtstat.f, plural(mrtstat.f))
 252 #define pes(f, m) printf(m, (unsigned long long)mrtstat.f, plurales(mrtstat.f))
 253         u_int mrtproto;
 254         struct mrt6stat mrtstat;
 255
 256         if (mrpaddr == 0) {
 257                 printf("mrt6_stats: symbol not in namelist\n");
 258                 return;
 259         }
 260
 261         kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
 262         switch (mrtproto) {
 263         case 0:
 264                 printf("no IPv6 multicast routing compiled into this system\n");
 265                 return;
 266
 267         case IPPROTO_PIM:
 268                 break;
 269
 270         default:
 271                 printf("IPv6 multicast routing protocol %u, unknown\n",
 272                         mrtproto);
 273                 return;
 274         }
 275
 276         if (mstaddr == 0) {
 277                 printf("mrt6_stats: symbol not in namelist\n");
 278                 return;
 279         }
 280
 281         kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
 282         printf("multicast forwarding:\n");
 283         p(mrt6s_mfc_lookups, " %10llu multicast forwarding cache lookup%s\n");
 284         pes(mrt6s_mfc_misses, " %10llu multicast forwarding cache miss%s\n");
 285         p(mrt6s_upcalls, " %10llu upcall%s to mrouted\n");
 286         p(mrt6s_upq_ovflw, " %10llu upcall queue overflow%s\n");
 287         p(mrt6s_upq_sockfull,
 288             " %10llu upcall%s dropped due to full socket buffer\n");
 289         p(mrt6s_cache_cleanups, " %10llu cache cleanup%s\n");
 290         p(mrt6s_no_route, " %10llu datagram%s with no route for origin\n");
 291         p(mrt6s_bad_tunnel, " %10llu datagram%s arrived with bad tunneling\n");
 292         p(mrt6s_cant_tunnel, " %10llu datagram%s could not be tunneled\n");
 293         p(mrt6s_wrong_if, " %10llu datagram%s arrived on wrong interface\n");
 294         p(mrt6s_drop_sel, " %10llu datagram%s selectively dropped\n");
 295         p(mrt6s_q_overflow,
 296             " %10llu datagram%s dropped due to queue overflow\n");
 297         p(mrt6s_pkt2large, " %10llu datagram%s dropped for being too large\n");
 298 #undef p
 299 #undef pes
 300 }
 301 #endif /*INET6*/