xref: /openbsd-src/sys/netinet/icmp_var.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: icmp_var.h,v 1.6 2001/06/09 07:03:39 angelos Exp $	*/
2 /*	$NetBSD: icmp_var.h,v 1.8 1995/03/26 20:32:19 jtc Exp $	*/
3 
4 /*
5  * Copyright (c) 1982, 1986, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)icmp_var.h	8.1 (Berkeley) 6/10/93
37  */
38 
39 #ifndef _NETINET_ICMP_VAR_H_
40 #define _NETINET_ICMP_VAR_H_
41 
42 /*
43  * Variables related to this implementation
44  * of the internet control message protocol.
45  */
46 struct	icmpstat {
47 /* statistics related to icmp packets generated */
48 	u_long	icps_error;		/* # of calls to icmp_error */
49 	u_long	icps_oldshort;		/* no error 'cuz old ip too short */
50 	u_long	icps_oldicmp;		/* no error 'cuz old was icmp */
51 	u_long	icps_outhist[ICMP_MAXTYPE + 1];
52 /* statistics related to input messages processed */
53 	u_long	icps_badcode;		/* icmp_code out of range */
54 	u_long	icps_tooshort;		/* packet < ICMP_MINLEN */
55 	u_long	icps_checksum;		/* bad checksum */
56 	u_long	icps_badlen;		/* calculated bound mismatch */
57 	u_long	icps_reflect;		/* number of responses */
58 	u_long	icps_bmcastecho;	/* rejected broadcast icmps */
59 	u_long	icps_inhist[ICMP_MAXTYPE + 1];
60 };
61 
62 /*
63  * Names for ICMP sysctl objects
64  */
65 #define	ICMPCTL_MASKREPL	1	/* allow replies to netmask requests */
66 #define ICMPCTL_BMCASTECHO	2	/* reply to icmps to broadcast/mcast */
67 #define ICMPCTL_ERRPPSLIMIT	3	/* ICMP error pps limitation */
68 #define ICMPCTL_MAXID		4
69 
70 #define ICMPCTL_NAMES { \
71 	{ 0, 0 }, \
72 	{ "maskrepl", CTLTYPE_INT }, \
73 	{ "bmcastecho", CTLTYPE_INT }, \
74 	{ "errppslimit", CTLTYPE_INT }, \
75 }
76 
77 #ifdef _KERNEL
78 struct	icmpstat icmpstat;
79 #endif /* _KERNEL */
80 #endif /* _NETINET_ICMP_VAR_H_ */
81