1/* $NetBSD: icmp_var.h,v 1.32 2022/08/29 09:14:02 knakahara Exp $ */
2
3/*
4 * Copyright (c) 1982, 1986, 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 * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
32 */
33
34#ifndef _NETINET_ICMP_VAR_H_
35#define _NETINET_ICMP_VAR_H_
36
37/*
38 * Variables related to this implementation
39 * of the internet control message protocol.
40 */
41
42/*
43 * ICMP stastistics.
44 * Each counter is an unsigned 64-bit value.
45 */
46#define ICMP_STAT_ERROR 0 /* # of calls to icmp_error */
47#define ICMP_STAT_OLDSHORT 1 /* no error (old ip too short) */
48#define ICMP_STAT_OLDICMP 2 /* no error (old was icmp) */
49#define ICMP_STAT_BADCODE 3 /* icmp_code out of range */
50#define ICMP_STAT_TOOSHORT 4 /* packet < ICMP_MINLEN */
51#define ICMP_STAT_CHECKSUM 5 /* bad checksum */
52#define ICMP_STAT_BADLEN 6 /* calculated bound mismatch */
53#define ICMP_STAT_REFLECT 7 /* number of responses */
54#define ICMP_STAT_PMTUCHG 8 /* path MTU changes */
55#define ICMP_STAT_BMCASTECHO 9 /* b/mcast echo requests dropped */
56#define ICMP_STAT_BMCASTTSTAMP 10 /* b/mcast tstamp requests dropped */
57#define ICMP_STAT_LAST 16 /* Allow for 5 spare ones */
58#define ICMP_STAT_OUTHIST ICMP_STAT_LAST
59#define ICMP_STAT_INHIST (ICMP_STAT_LAST + ICMP_NTYPES)
60#define ICMP_NSTATS (ICMP_STAT_LAST + 2 * ICMP_NTYPES)
61
62/*
63 * Names for ICMP sysctl objects
64 */
65#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
66#if 0 /*obsoleted*/
67#define ICMPCTL_ERRRATELIMIT 2 /* error rate limit */
68#endif
69#define ICMPCTL_RETURNDATABYTES 3 /* # of bytes to include in errors */
70#define ICMPCTL_ERRPPSLIMIT 4 /* ICMP error pps limitation */
71#define ICMPCTL_REDIRACCEPT 5 /* Accept redirects from routers */
72#define ICMPCTL_REDIRTIMEOUT 6 /* Remove routes added via redirects */
73#define ICMPCTL_STATS 7 /* ICMP statistics */
74#define ICMPCTL_BMCASTECHO 8 /* allow broad/mult-cast echo */
75#define ICMPCTL_DYNAMIC_RT_MSG 9 /* send routing message for RTM_DYNAMIC */
76
77#ifdef _KERNEL
78
79void icmp_statinc(u_int stat);
80
81#endif /* _KERNEL_ */
82
83#endif /* !_NETINET_ICMP_VAR_H_ */