HAMMER 60I/Many: Mirroring
[dragonfly.git] / sys / netinet / icmp_var.h
blob16908fc1713eba7b1dbfee46db40e8948e5c5d36
1 /*
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
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.
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.
33 * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: src/sys/netinet/icmp_var.h,v 1.15.2.2 2001/12/07 09:23:11 ru Exp $
35 * $DragonFly: src/sys/netinet/icmp_var.h,v 1.6 2006/05/20 02:42:12 dillon Exp $
38 #ifndef _NETINET_ICMP_VAR_H_
39 #define _NETINET_ICMP_VAR_H_
41 #ifndef _SYS_TYPES_H_
42 #include <sys/types.h>
43 #endif
44 #ifndef _SYS_SYSCTL_H_
45 #include <sys/sysctl.h>
46 #endif
47 #ifndef _NETINET_IP_ICMP_H_
48 #include <netinet/ip_icmp.h>
49 #endif
51 #ifdef _KERNEL
52 #include "opt_icmp_bandlim.h" /* for ICMP_BANDLIM */
53 #endif
56 * Variables related to this implementation
57 * of the internet control message protocol.
59 struct icmpstat {
60 /* statistics related to icmp packets generated */
61 u_long icps_error; /* # of calls to icmp_error */
62 u_long icps_oldshort; /* no error 'cuz old ip too short */
63 u_long icps_oldicmp; /* no error 'cuz old was icmp */
64 u_long icps_outhist[ICMP_MAXTYPE + 1];
65 /* statistics related to input messages processed */
66 u_long icps_badcode; /* icmp_code out of range */
67 u_long icps_tooshort; /* packet < ICMP_MINLEN */
68 u_long icps_checksum; /* bad checksum */
69 u_long icps_badlen; /* calculated bound mismatch */
70 u_long icps_reflect; /* number of responses */
71 u_long icps_inhist[ICMP_MAXTYPE + 1];
72 u_long icps_bmcastecho; /* b/mcast echo requests dropped */
73 u_long icps_bmcasttstamp; /* b/mcast tstamp requests dropped */
74 u_long icps_badaddr; /* bad return address */
75 u_long icps_noroute; /* no route back */
79 * Names for ICMP sysctl objects
81 #define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
82 #define ICMPCTL_STATS 2 /* statistics (read-only) */
83 #define ICMPCTL_ICMPLIM 3
84 #define ICMPCTL_MAXID 4
86 #define ICMPCTL_NAMES { \
87 { 0, 0 }, \
88 { "maskrepl", CTLTYPE_INT }, \
89 { "stats", CTLTYPE_STRUCT }, \
90 { "icmplim", CTLTYPE_INT }, \
93 #ifdef _KERNEL
94 SYSCTL_DECL(_net_inet_icmp);
95 extern struct icmpstat icmpstat; /* icmp statistics */
96 #ifdef ICMP_BANDLIM
97 extern int badport_bandlim (int);
98 #endif
99 #define BANDLIM_UNLIMITED -1
100 #define BANDLIM_ICMP_UNREACH 0
101 #define BANDLIM_ICMP_ECHO 1
102 #define BANDLIM_ICMP_TSTAMP 2
103 #define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */
104 #define BANDLIM_RST_OPENPORT 4 /* No connection, listener */
105 #define BANDLIM_MAX 4
106 #endif
108 #endif