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/* $OpenBSD: icmp_var.h,v 1.15 2017/02/07 22:30:16 jmatthew Exp $ */
/* $NetBSD: icmp_var.h,v 1.8 1995/03/26 20:32:19 jtc Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
*/
#ifndef _NETINET_ICMP_VAR_H_
#define _NETINET_ICMP_VAR_H_
/*
* Variables related to this implementation
* of the internet control message protocol.
*/
struct icmpstat {
/* statistics related to icmp packets generated */
u_long icps_error; /* # of calls to icmp_error */
u_long icps_toofreq; /* no error because rate limiter */
u_long icps_oldshort; /* no error because old ip too short */
u_long icps_oldicmp; /* no error because old was icmp */
u_long icps_outhist[ICMP_MAXTYPE + 1];
/* statistics related to input messages processed */
u_long icps_badcode; /* icmp_code out of range */
u_long icps_tooshort; /* packet < ICMP_MINLEN */
u_long icps_checksum; /* bad checksum */
u_long icps_badlen; /* calculated bound mismatch */
u_long icps_reflect; /* number of responses */
u_long icps_bmcastecho; /* rejected broadcast icmps */
u_long icps_inhist[ICMP_MAXTYPE + 1];
};
/*
* Names for ICMP sysctl objects
*/
#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
#define ICMPCTL_BMCASTECHO 2 /* reply to icmps to broadcast/mcast */
#define ICMPCTL_ERRPPSLIMIT 3 /* ICMP error pps limitation */
#define ICMPCTL_REDIRACCEPT 4 /* Accept redirects from routers */
#define ICMPCTL_REDIRTIMEOUT 5 /* Remove routes added via redirects */
#define ICMPCTL_TSTAMPREPL 6 /* allow replies to timestamp requests */
#define ICMPCTL_STATS 7 /* ICMP statistics */
#define ICMPCTL_MAXID 8
#define ICMPCTL_NAMES { \
{ 0, 0 }, \
{ "maskrepl", CTLTYPE_INT }, \
{ "bmcastecho", CTLTYPE_INT }, \
{ "errppslimit", CTLTYPE_INT }, \
{ "rediraccept", CTLTYPE_INT }, \
{ "redirtimeout", CTLTYPE_INT }, \
{ "tstamprepl", CTLTYPE_INT }, \
{ "stats", CTLTYPE_STRUCT } \
}
#define ICMPCTL_VARS { \
NULL, \
&icmpmaskrepl, \
&icmpbmcastecho, \
&icmperrppslim, \
&icmp_rediraccept, \
NULL, \
&icmptstamprepl, \
NULL \
}
#ifdef _KERNEL
#include <sys/percpu.h>
enum icmpstat_counters {
icps_error,
icps_toofreq,
icps_oldshort,
icps_oldicmp,
icps_outhist,
icps_badcode = icps_outhist + ICMP_MAXTYPE + 1,
icps_tooshort,
icps_checksum,
icps_badlen,
icps_reflect,
icps_bmcastecho,
icps_inhist,
icps_ncounters = icps_inhist + ICMP_MAXTYPE + 1
};
extern struct cpumem *icmpcounters;
static inline void
icmpstat_inc(enum icmpstat_counters c)
{
counters_inc(icmpcounters, c);
}
#endif /* _KERNEL */
#endif /* _NETINET_ICMP_VAR_H_ */
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