Annotation of src/usr.bin/netstat/mroute.c, Revision 1.1
1.1 ! deraadt 1: /* $NetBSD: mroute.c,v 1.9 1995/10/03 21:42:42 thorpej Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1989 Stephen Deering
! 5: * Copyright (c) 1992, 1993
! 6: * The Regents of the University of California. All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to Berkeley by
! 9: * Stephen Deering of Stanford University.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the University of
! 22: * California, Berkeley and its contributors.
! 23: * 4. Neither the name of the University nor the names of its contributors
! 24: * may be used to endorse or promote products derived from this software
! 25: * without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 28: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 29: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 30: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 31: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 32: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 33: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 34: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 35: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 36: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 37: * SUCH DAMAGE.
! 38: *
! 39: * from: @(#)mroute.c 8.1 (Berkeley) 6/6/93
! 40: */
! 41:
! 42: /*
! 43: * Print DVMRP multicast routing structures and statistics.
! 44: *
! 45: * MROUTING 1.0
! 46: */
! 47:
! 48: #include <sys/param.h>
! 49: #include <sys/socket.h>
! 50: #include <sys/socketvar.h>
! 51: #include <sys/protosw.h>
! 52:
! 53: #include <net/if.h>
! 54: #include <net/route.h>
! 55: #include <netinet/in.h>
! 56: #include <netinet/igmp.h>
! 57: #define _KERNEL
! 58: #include <netinet/ip_mroute.h>
! 59: #undef _KERNEL
! 60:
! 61: #include <stdio.h>
! 62: #include <stdlib.h>
! 63: #include "netstat.h"
! 64:
! 65: char *
! 66: pktscale(n)
! 67: u_long n;
! 68: {
! 69: static char buf[8];
! 70: char t;
! 71:
! 72: if (n < 1024)
! 73: t = ' ';
! 74: else if (n < 1024 * 1024) {
! 75: t = 'k';
! 76: n /= 1024;
! 77: } else {
! 78: t = 'm';
! 79: n /= 1048576;
! 80: }
! 81:
! 82: sprintf(buf, "%u%c", n, t);
! 83: return (buf);
! 84: }
! 85:
! 86: void
! 87: mroutepr(mrpaddr, mfchashtbladdr, mfchashaddr, vifaddr)
! 88: u_long mrpaddr, mfchashtbladdr, mfchashaddr, vifaddr;
! 89: {
! 90: u_int mrtproto;
! 91: LIST_HEAD(, mfc) *mfchashtbl;
! 92: u_long mfchash;
! 93: struct vif viftable[MAXVIFS];
! 94: struct mfc *mfcp, mfc;
! 95: register struct vif *v;
! 96: register vifi_t vifi;
! 97: struct in_addr *grp;
! 98: int i;
! 99: int banner_printed;
! 100: int saved_nflag;
! 101: int numvifs;
! 102: int nmfc; /* No. of cache entries */
! 103:
! 104: if (mrpaddr == 0) {
! 105: printf("ip_mrtproto: symbol not in namelist\n");
! 106: return;
! 107: }
! 108:
! 109: kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
! 110: switch (mrtproto) {
! 111: case 0:
! 112: printf("no multicast routing compiled into this system\n");
! 113: return;
! 114:
! 115: case IGMP_DVMRP:
! 116: break;
! 117:
! 118: default:
! 119: printf("multicast routing protocol %u, unknown\n", mrtproto);
! 120: return;
! 121: }
! 122:
! 123: if (mfchashtbladdr == 0) {
! 124: printf("mfchashtbl: symbol not in namelist\n");
! 125: return;
! 126: }
! 127: if (mfchashaddr == 0) {
! 128: printf("mfchash: symbol not in namelist\n");
! 129: return;
! 130: }
! 131: if (vifaddr == 0) {
! 132: printf("viftable: symbol not in namelist\n");
! 133: return;
! 134: }
! 135:
! 136: saved_nflag = nflag;
! 137: nflag = 1;
! 138:
! 139: kread(vifaddr, (char *)&viftable, sizeof(viftable));
! 140: banner_printed = 0;
! 141: numvifs = 0;
! 142:
! 143: for (vifi = 0, v = viftable; vifi < MAXVIFS; ++vifi, ++v) {
! 144: if (v->v_lcl_addr.s_addr == 0)
! 145: continue;
! 146: numvifs = vifi;
! 147:
! 148: if (!banner_printed) {
! 149: printf("\nVirtual Interface Table\n %s%s",
! 150: "Vif Thresh Limit Local-Address ",
! 151: "Remote-Address Pkt_in Pkt_out\n");
! 152: banner_printed = 1;
! 153: }
! 154:
! 155: printf(" %3u %3u %5u %-15.15s",
! 156: vifi, v->v_threshold, v->v_rate_limit,
! 157: routename(v->v_lcl_addr.s_addr));
! 158: printf(" %-15.15s %6u %7u\n", (v->v_flags & VIFF_TUNNEL) ?
! 159: routename(v->v_rmt_addr.s_addr) : "",
! 160: v->v_pkt_in, v->v_pkt_out);
! 161: }
! 162: if (!banner_printed)
! 163: printf("\nVirtual Interface Table is empty\n");
! 164:
! 165: kread(mfchashtbladdr, (char *)&mfchashtbl, sizeof(mfchashtbl));
! 166: kread(mfchashaddr, (char *)&mfchash, sizeof(mfchash));
! 167: banner_printed = 0;
! 168: nmfc = 0;
! 169:
! 170: for (i = 0; i <= mfchash; ++i) {
! 171: kread((u_long)&mfchashtbl[i], (char *)&mfcp, sizeof(mfcp));
! 172:
! 173: for (; mfcp != 0; mfcp = mfc.mfc_hash.le_next) {
! 174: if (!banner_printed) {
! 175: printf("\nMulticast Forwarding Cache\n %s%s",
! 176: "Hash Origin Mcastgroup ",
! 177: "Traffic In-Vif Out-Vifs/Forw-ttl\n");
! 178: banner_printed = 1;
! 179: }
! 180:
! 181: kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
! 182: printf(" %3u %-15.15s",
! 183: i, routename(mfc.mfc_origin.s_addr));
! 184: printf(" %-15.15s %7s %3u ",
! 185: routename(mfc.mfc_mcastgrp.s_addr),
! 186: pktscale(mfc.mfc_pkt_cnt), mfc.mfc_parent);
! 187: for (vifi = 0; vifi <= numvifs; ++vifi)
! 188: if (mfc.mfc_ttls[vifi])
! 189: printf(" %u/%u", vifi, mfc.mfc_ttls[vifi]);
! 190:
! 191: printf("\n");
! 192: nmfc++;
! 193: }
! 194: }
! 195: if (!banner_printed)
! 196: printf("\nMulticast Forwarding Cache is empty\n");
! 197: else
! 198: printf("\nTotal no. of entries in cache: %d\n", nmfc);
! 199:
! 200: printf("\n");
! 201: nflag = saved_nflag;
! 202: }
! 203:
! 204:
! 205: void
! 206: mrt_stats(mrpaddr, mstaddr)
! 207: u_long mrpaddr, mstaddr;
! 208: {
! 209: u_int mrtproto;
! 210: struct mrtstat mrtstat;
! 211:
! 212: if (mrpaddr == 0) {
! 213: printf("ip_mrtproto: symbol not in namelist\n");
! 214: return;
! 215: }
! 216:
! 217: kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
! 218: switch (mrtproto) {
! 219: case 0:
! 220: printf("no multicast routing compiled into this system\n");
! 221: return;
! 222:
! 223: case IGMP_DVMRP:
! 224: break;
! 225:
! 226: default:
! 227: printf("multicast routing protocol %u, unknown\n", mrtproto);
! 228: return;
! 229: }
! 230:
! 231: if (mstaddr == 0) {
! 232: printf("mrtstat: symbol not in namelist\n");
! 233: return;
! 234: }
! 235:
! 236: kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
! 237: printf("multicast routing:\n");
! 238: printf("\t%d datagram%s with no route for origin\n",
! 239: mrtstat.mrts_no_route, plural(mrtstat.mrts_no_route));
! 240: printf("\t%d upcall%s made to mrouted\n",
! 241: mrtstat.mrts_upcalls, plural(mrtstat.mrts_upcalls));
! 242: printf("\t%d datagram%s with malformed tunnel options\n",
! 243: mrtstat.mrts_bad_tunnel, plural(mrtstat.mrts_bad_tunnel));
! 244: printf("\t%d datagram%s with no room for tunnel options\n",
! 245: mrtstat.mrts_cant_tunnel, plural(mrtstat.mrts_cant_tunnel));
! 246: printf("\t%d datagram%s arrived on wrong interface\n",
! 247: mrtstat.mrts_wrong_if, plural(mrtstat.mrts_wrong_if));
! 248: printf("\t%d datagram%s dropped due to upcall Q overflow\n",
! 249: mrtstat.mrts_upq_ovflw, plural(mrtstat.mrts_upq_ovflw));
! 250: printf("\t%d datagram%s dropped due to upcall socket overflow\n",
! 251: mrtstat.mrts_upq_sockfull, plural(mrtstat.mrts_upq_sockfull));
! 252: printf("\t%d datagram%s cleaned up by the cache\n",
! 253: mrtstat.mrts_cache_cleanups, plural(mrtstat.mrts_cache_cleanups));
! 254: printf("\t%d datagram%s dropped selectively by ratelimiter\n",
! 255: mrtstat.mrts_drop_sel, plural(mrtstat.mrts_drop_sel));
! 256: printf("\t%d datagram%s dropped - bucket Q overflow\n",
! 257: mrtstat.mrts_q_overflow, plural(mrtstat.mrts_q_overflow));
! 258: printf("\t%d datagram%s dropped - larger than bkt size\n",
! 259: mrtstat.mrts_pkt2large, plural(mrtstat.mrts_pkt2large));
! 260: }
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