1 /* $NetBSD: route.c,v 1.80 2013/01/28 13:49:08 joerg Exp $ */ 2 3 /* 4 * Copyright (c) 1983, 1988, 1993 5 * The Regents of the University of California. 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 University 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 REGENTS 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 REGENTS 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 #include <sys/cdefs.h> 33 34 __RCSID("$NetBSD: route.c,v 1.80 2013/01/28 13:49:08 joerg Exp $"); 35 36 #include <sys/sysctl.h> 37 #include <net/route.h> 38 #include <err.h> 39 40 #include "netstat.h" 41 42 /* 43 * Print routing statistics 44 */ 45 void 46 rt_stats(u_long off) 47 { 48 struct rtstat rtstats; 49 50 if (use_sysctl) { 51 size_t rtsize = sizeof(rtstats); 52 53 if (sysctlbyname("net.route.stats", &rtstats, &rtsize, 54 NULL, 0) == -1) 55 err(1, "rt_stats: sysctl"); 56 } else if (off == 0) { 57 printf("rtstat: symbol not in namelist\n"); 58 return; 59 } else 60 kread(off, (char *)&rtstats, sizeof(rtstats)); 61 62 printf("routing:\n"); 63 printf("\t%llu bad routing redirect%s\n", 64 (unsigned long long)rtstats.rts_badredirect, 65 plural(rtstats.rts_badredirect)); 66 printf("\t%llu dynamically created route%s\n", 67 (unsigned long long)rtstats.rts_dynamic, 68 plural(rtstats.rts_dynamic)); 69 printf("\t%llu new gateway%s due to redirects\n", 70 (unsigned long long)rtstats.rts_newgateway, 71 plural(rtstats.rts_newgateway)); 72 printf("\t%llu destination%s found unreachable\n", 73 (unsigned long long)rtstats.rts_unreach, 74 plural(rtstats.rts_unreach)); 75 printf("\t%llu use%s of a wildcard route\n", 76 (unsigned long long)rtstats.rts_wildcard, 77 plural(rtstats.rts_wildcard)); 78 } 79