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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
| 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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
|
30 * $FreeBSD: head/sys/netinet/icmp_var.h 195727 2009-07-16 21:13:04Z rwatson $
| 30 * $FreeBSD: head/sys/netinet/icmp_var.h 196039 2009-08-02 19:43:32Z rwatson $
|
31 */
32
33#ifndef _NETINET_ICMP_VAR_H_
34#define _NETINET_ICMP_VAR_H_
35
36
37/*
38 * Variables related to this implementation
39 * of the internet control message protocol.
40 */
41struct icmpstat {
42/* statistics related to icmp packets generated */
43 u_long icps_error; /* # of calls to icmp_error */
44 u_long icps_oldshort; /* no error 'cuz old ip too short */
45 u_long icps_oldicmp; /* no error 'cuz old was icmp */
46 u_long icps_outhist[ICMP_MAXTYPE + 1];
47/* statistics related to input messages processed */
48 u_long icps_badcode; /* icmp_code out of range */
49 u_long icps_tooshort; /* packet < ICMP_MINLEN */
50 u_long icps_checksum; /* bad checksum */
51 u_long icps_badlen; /* calculated bound mismatch */
52 u_long icps_reflect; /* number of responses */
53 u_long icps_inhist[ICMP_MAXTYPE + 1];
54 u_long icps_bmcastecho; /* b/mcast echo requests dropped */
55 u_long icps_bmcasttstamp; /* b/mcast tstamp requests dropped */
56 u_long icps_badaddr; /* bad return address */
57 u_long icps_noroute; /* no route back */
58};
59
60#ifdef _KERNEL
| 31 */
32
33#ifndef _NETINET_ICMP_VAR_H_
34#define _NETINET_ICMP_VAR_H_
35
36
37/*
38 * Variables related to this implementation
39 * of the internet control message protocol.
40 */
41struct icmpstat {
42/* statistics related to icmp packets generated */
43 u_long icps_error; /* # of calls to icmp_error */
44 u_long icps_oldshort; /* no error 'cuz old ip too short */
45 u_long icps_oldicmp; /* no error 'cuz old was icmp */
46 u_long icps_outhist[ICMP_MAXTYPE + 1];
47/* statistics related to input messages processed */
48 u_long icps_badcode; /* icmp_code out of range */
49 u_long icps_tooshort; /* packet < ICMP_MINLEN */
50 u_long icps_checksum; /* bad checksum */
51 u_long icps_badlen; /* calculated bound mismatch */
52 u_long icps_reflect; /* number of responses */
53 u_long icps_inhist[ICMP_MAXTYPE + 1];
54 u_long icps_bmcastecho; /* b/mcast echo requests dropped */
55 u_long icps_bmcasttstamp; /* b/mcast tstamp requests dropped */
56 u_long icps_badaddr; /* bad return address */
57 u_long icps_noroute; /* no route back */
58};
59
60#ifdef _KERNEL
|
| 61/*
62 * In-kernel consumers can use these accessor macros directly to update
63 * stats.
64 */
|
61#define ICMPSTAT_ADD(name, val) V_icmpstat.name += (val)
62#define ICMPSTAT_INC(name) ICMPSTAT_ADD(name, 1)
| 65#define ICMPSTAT_ADD(name, val) V_icmpstat.name += (val)
66#define ICMPSTAT_INC(name) ICMPSTAT_ADD(name, 1)
|
| 67
68/*
69 * Kernel module consumers must use this accessor macro.
70 */
71void kmod_icmpstat_inc(int statnum);
72#define KMOD_ICMPSTAT_INC(name) \
73 kmod_icmpstat_inc(offsetof(struct icmpstat, name) / sizeof(u_long))
|
63#endif
64
65/*
66 * Names for ICMP sysctl objects
67 */
68#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
69#define ICMPCTL_STATS 2 /* statistics (read-only) */
70#define ICMPCTL_ICMPLIM 3
71#define ICMPCTL_MAXID 4
72
73#define ICMPCTL_NAMES { \
74 { 0, 0 }, \
75 { "maskrepl", CTLTYPE_INT }, \
76 { "stats", CTLTYPE_STRUCT }, \
77 { "icmplim", CTLTYPE_INT }, \
78}
79
80#ifdef _KERNEL
81SYSCTL_DECL(_net_inet_icmp);
82
83VNET_DECLARE(struct icmpstat, icmpstat); /* icmp statistics. */
84#define V_icmpstat VNET(icmpstat)
85
86extern int badport_bandlim(int);
87#define BANDLIM_UNLIMITED -1
88#define BANDLIM_ICMP_UNREACH 0
89#define BANDLIM_ICMP_ECHO 1
90#define BANDLIM_ICMP_TSTAMP 2
91#define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */
92#define BANDLIM_RST_OPENPORT 4 /* No connection, listener */
93#define BANDLIM_ICMP6_UNREACH 5
94#define BANDLIM_MAX 5
95#endif
96
97#endif
| 74#endif
75
76/*
77 * Names for ICMP sysctl objects
78 */
79#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
80#define ICMPCTL_STATS 2 /* statistics (read-only) */
81#define ICMPCTL_ICMPLIM 3
82#define ICMPCTL_MAXID 4
83
84#define ICMPCTL_NAMES { \
85 { 0, 0 }, \
86 { "maskrepl", CTLTYPE_INT }, \
87 { "stats", CTLTYPE_STRUCT }, \
88 { "icmplim", CTLTYPE_INT }, \
89}
90
91#ifdef _KERNEL
92SYSCTL_DECL(_net_inet_icmp);
93
94VNET_DECLARE(struct icmpstat, icmpstat); /* icmp statistics. */
95#define V_icmpstat VNET(icmpstat)
96
97extern int badport_bandlim(int);
98#define BANDLIM_UNLIMITED -1
99#define BANDLIM_ICMP_UNREACH 0
100#define BANDLIM_ICMP_ECHO 1
101#define BANDLIM_ICMP_TSTAMP 2
102#define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */
103#define BANDLIM_RST_OPENPORT 4 /* No connection, listener */
104#define BANDLIM_ICMP6_UNREACH 5
105#define BANDLIM_MAX 5
106#endif
107
108#endif
|