xref: /freebsd/sys/netinet/icmp_var.h (revision 17ee9d00bc1ae1e598c38f25826f861e4bc6c3ce)
1 /*
2  * Copyright (c) 1982, 1986, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)icmp_var.h	8.1 (Berkeley) 6/10/93
34  * $Id: icmp_var.h,v 1.3 1994/08/21 05:27:23 paul Exp $
35  */
36 
37 #ifndef _NETINET_ICMP_VAR_H_
38 #define _NETINET_ICMP_VAR_H_
39 
40 /*
41  * Variables related to this implementation
42  * of the internet control message protocol.
43  */
44 struct	icmpstat {
45 /* statistics related to icmp packets generated */
46 	u_long	icps_error;		/* # of calls to icmp_error */
47 	u_long	icps_oldshort;		/* no error 'cuz old ip too short */
48 	u_long	icps_oldicmp;		/* no error 'cuz old was icmp */
49 	u_long	icps_outhist[ICMP_MAXTYPE + 1];
50 /* statistics related to input messages processed */
51  	u_long	icps_badcode;		/* icmp_code out of range */
52 	u_long	icps_tooshort;		/* packet < ICMP_MINLEN */
53 	u_long	icps_checksum;		/* bad checksum */
54 	u_long	icps_badlen;		/* calculated bound mismatch */
55 	u_long	icps_reflect;		/* number of responses */
56 	u_long	icps_inhist[ICMP_MAXTYPE + 1];
57 };
58 
59 /*
60  * Names for ICMP sysctl objects
61  */
62 #define	ICMPCTL_MASKREPL	1	/* allow replies to netmask requests */
63 #define	ICMPCTL_STATS		2	/* statistics (read-only) */
64 #define ICMPCTL_MAXID		3
65 
66 #define ICMPCTL_NAMES { \
67 	{ 0, 0 }, \
68 	{ "maskrepl", CTLTYPE_INT }, \
69 	{ "stats", CTLTYPE_STRUCT }, \
70 }
71 
72 #ifdef KERNEL
73 extern struct	icmpstat icmpstat;
74 #endif
75 
76 #endif
77