2 * Copyright (c) 2014 Gleb Smirnoff <glebius@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/sysctl.h>
33 #include <net/flowtable.h>
41 * Print flowtable statistics.
45 print_stats(struct flowtable_stat *stat)
48 #define p(f, m) if (stat->f || sflag <= 1) \
49 printf(m, (uintmax_t)stat->f, plural(stat->f))
50 #define p2(f, m) if (stat->f || sflag <= 1) \
51 printf(m, (uintmax_t)stat->f, plurales(stat->f))
53 p(ft_lookups, "\t%ju lookup%s\n");
54 p(ft_hits, "\t%ju hit%s\n");
55 p2(ft_misses, "\t%ju miss%s\n");
56 p(ft_inserts, "\t%ju insert%s\n");
57 p(ft_collisions, "\t%ju collision%s\n");
58 p(ft_free_checks, "\t%ju free check%s\n");
59 p(ft_frees, "\t%ju free%s\n");
60 p(ft_fail_lle_invalid,
61 "\t%ju lookup%s with not resolved Layer 2 address\n");
70 struct flowtable_stat stat;
71 size_t len = sizeof(stat);
76 if (sysctlbyname("net.flowtable.ip4.stat", &stat, &len, NULL, 0) == 0) {
77 printf("flowtable for IPv4:\n");
81 if (sysctlbyname("net.flowtable.ip6.stat", &stat, &len, NULL, 0) == 0) {
82 printf("flowtable for IPv6:\n");