xref: /netbsd-src/sys/netinet/icmp_var.h (revision 404fbe5fb94ca1e054339640cabb2801ce52dd30)
1 /*	$NetBSD: icmp_var.h,v 1.27 2008/04/12 05:58:22 thorpej 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_OUTHIST	3	/* # of output messages */
50 		/* space for ICMP_MAXTYPE + 1 (19) counters */
51 #define	ICMP_STAT_BADCODE	22	/* icmp_code out of range */
52 #define	ICMP_STAT_TOOSHORT	23	/* packet < ICMP_MINLEN */
53 #define	ICMP_STAT_CHECKSUM	24	/* bad checksum */
54 #define	ICMP_STAT_BADLEN	25	/* calculated bound mismatch */
55 #define	ICMP_STAT_REFLECT	26	/* number of responses */
56 #define	ICMP_STAT_INHIST	27	/* # of input messages */
57 		/* space for ICMP_MAXTYPE + 1 (19) counters */
58 #define	ICMP_STAT_PMTUCHG	46	/* path MTU changes */
59 
60 #define	ICMP_NSTATS		47
61 
62 #if ICMP_MAXTYPE != 18
63 #error ICMP_MAXTYPE too large for ICMP statistics
64 #endif
65 
66 /*
67  * Names for ICMP sysctl objects
68  */
69 #define	ICMPCTL_MASKREPL	1	/* allow replies to netmask requests */
70 #if 0	/*obsoleted*/
71 #define ICMPCTL_ERRRATELIMIT	2	/* error rate limit */
72 #endif
73 #define ICMPCTL_RETURNDATABYTES	3	/* # of bytes to include in errors */
74 #define ICMPCTL_ERRPPSLIMIT	4	/* ICMP error pps limitation */
75 #define ICMPCTL_REDIRACCEPT	5	/* Accept redirects from routers */
76 #define ICMPCTL_REDIRTIMEOUT	6	/* Remove routes added via redirects */
77 #define	ICMPCTL_STATS		7	/* ICMP statistics */
78 #define ICMPCTL_MAXID		8
79 
80 #define ICMPCTL_NAMES { \
81 	{ 0, 0 }, \
82 	{ "maskrepl", CTLTYPE_INT }, \
83 	{ 0, 0 }, \
84 	{ "returndatabytes", CTLTYPE_INT }, \
85 	{ "errppslimit", CTLTYPE_INT }, \
86 	{ "rediraccept", CTLTYPE_INT }, \
87 	{ "redirtimeout", CTLTYPE_INT }, \
88 	{ "stats", CTLTYPE_STRUCT }, \
89 }
90 
91 #ifdef _KERNEL
92 
93 void	icmp_statinc(u_int stat);
94 
95 #endif /* _KERNEL_ */
96 
97 #endif /* !_NETINET_ICMP_VAR_H_ */
98