1/*- 2 * Copyright (c) 2014 Gleb Smirnoff <glebius@FreeBSD.org> 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 4. Neither the name of the University nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD: releng/10.3/usr.bin/netstat/flowtable.c 293307 2016-01-07 07:21:37Z markj $"); 31 32#include <sys/param.h> 33 34#include <net/flowtable.h> 35 36#include <stdint.h> 37#include <stdio.h> 38 39#include "netstat.h" 40 41/* 42 * Print flowtable statistics. 43 */ 44 45static void 46print_stats(struct flowtable_stat *stat) 47{ 48 49#define p(f, m) if (stat->f || sflag <= 1) \ 50 printf(m, (uintmax_t)stat->f, plural(stat->f)) 51#define p2(f, m) if (stat->f || sflag <= 1) \ 52 printf(m, (uintmax_t)stat->f, plurales(stat->f)) 53 54 p(ft_lookups, "\t%ju lookup%s\n"); 55 p(ft_hits, "\t%ju hit%s\n"); 56 p2(ft_misses, "\t%ju miss%s\n"); 57 p(ft_inserts, "\t%ju insert%s\n"); 58 p(ft_collisions, "\t%ju collision%s\n"); 59 p(ft_free_checks, "\t%ju free check%s\n"); 60 p(ft_frees, "\t%ju free%s\n"); 61 p(ft_fail_lle_invalid, 62 "\t%ju lookup%s with not resolved Layer 2 address\n"); 63 64#undef p2 65#undef p 66} 67 68void 69flowtable_stats(void) 70{ 71 struct flowtable_stat stat; 72 73 if (!live) 74 return; 75 76 if (fetch_stats("net.flowtable.ip4.stat", 0, &stat, 77 sizeof(stat), NULL) == 0) { 78 printf("flowtable for IPv4:\n"); 79 print_stats(&stat); 80 } 81 82 if (fetch_stats("net.flowtable.ip6.stat", 0, &stat, 83 sizeof(stat), NULL) == 0) { 84 printf("flowtable for IPv6:\n"); 85 print_stats(&stat); 86 } 87} 88