1 /* $OpenBSD: icmp_var.h,v 1.12 2004/02/15 11:16:08 markus 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. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
33 */
34
35 #ifndef _NETINET_ICMP_VAR_H_
36 #define _NETINET_ICMP_VAR_H_
37
38 /*
39 * Variables related to this implementation
40 * of the internet control message protocol.
41 */
42 struct icmpstat {
43 /* statistics related to icmp packets generated */
44 u_long icps_error; /* # of calls to icmp_error */
45 u_long icps_oldshort; /* no error because old ip too short */
46 u_long icps_oldicmp; /* no error because old was icmp */
47 u_long icps_outhist[ICMP_MAXTYPE + 1];
48 /* statistics related to input messages processed */
49 u_long icps_badcode; /* icmp_code out of range */
50 u_long icps_tooshort; /* packet < ICMP_MINLEN */
51 u_long icps_checksum; /* bad checksum */
52 u_long icps_badlen; /* calculated bound mismatch */
53 u_long icps_reflect; /* number of responses */
54 u_long icps_bmcastecho; /* rejected broadcast icmps */
55 u_long icps_inhist[ICMP_MAXTYPE + 1];
56 };
57
58 /*
59 * Names for ICMP sysctl objects
60 */
61 #define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
62 #define ICMPCTL_BMCASTECHO 2 /* reply to icmps to broadcast/mcast */
63 #define ICMPCTL_ERRPPSLIMIT 3 /* ICMP error pps limitation */
64 #define ICMPCTL_REDIRACCEPT 4 /* Accept redirects from routers */
65 #define ICMPCTL_REDIRTIMEOUT 5 /* Remove routes added via redirects */
66 #define ICMPCTL_TSTAMPREPL 6 /* allow replies to timestamp requests */
67 #define ICMPCTL_MAXID 7
68
69 #define ICMPCTL_NAMES { \
70 { 0, 0 }, \
71 { "maskrepl", CTLTYPE_INT }, \
72 { "bmcastecho", CTLTYPE_INT }, \
73 { "errppslimit", CTLTYPE_INT }, \
74 { "rediraccept", CTLTYPE_INT }, \
75 { "redirtimeout", CTLTYPE_INT }, \
76 { "tstamprepl", CTLTYPE_INT }, \
77 }
78
79 #define ICMPCTL_VARS { \
80 NULL, \
81 &icmpmaskrepl, \
82 &icmpbmcastecho, \
83 &icmperrppslim, \
84 &icmp_rediraccept, \
85 NULL, \
86 &icmptstamprepl, \
87 }
88
89 #ifdef _KERNEL
90 extern struct icmpstat icmpstat;
91 #endif /* _KERNEL */
92 #endif /* _NETINET_ICMP_VAR_H_ */