112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/* $OpenBSD: icmp_var.h,v 1.16 2020/08/22 17:55:54 gnezdo Exp $ */
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/* $NetBSD: icmp_var.h,v 1.8 1995/03/26 20:32:19 jtc Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)icmp_var.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _NETINET_ICMP_VAR_H_
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#define _NETINET_ICMP_VAR_H_
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/*
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* Variables related to this implementation
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* of the internet control message protocol.
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*/
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struct icmpstat {
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/* statistics related to icmp packets generated */
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u_long icps_error; /* # of calls to icmp_error */
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u_long icps_toofreq; /* no error because rate limiter */
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u_long icps_oldshort; /* no error because old ip too short */
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u_long icps_oldicmp; /* no error because old was icmp */
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u_long icps_outhist[ICMP_MAXTYPE + 1];
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/* statistics related to input messages processed */
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u_long icps_badcode; /* icmp_code out of range */
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u_long icps_tooshort; /* packet < ICMP_MINLEN */
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u_long icps_checksum; /* bad checksum */
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u_long icps_badlen; /* calculated bound mismatch */
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u_long icps_reflect; /* number of responses */
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u_long icps_bmcastecho; /* rejected broadcast icmps */
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u_long icps_inhist[ICMP_MAXTYPE + 1];
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};
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/*
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* Names for ICMP sysctl objects
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*/
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#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
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#define ICMPCTL_BMCASTECHO 2 /* reply to icmps to broadcast/mcast */
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#define ICMPCTL_ERRPPSLIMIT 3 /* ICMP error pps limitation */
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#define ICMPCTL_REDIRACCEPT 4 /* Accept redirects from routers */
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#define ICMPCTL_REDIRTIMEOUT 5 /* Remove routes added via redirects */
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#define ICMPCTL_TSTAMPREPL 6 /* allow replies to timestamp requests */
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#define ICMPCTL_STATS 7 /* ICMP statistics */
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#define ICMPCTL_MAXID 8
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#define ICMPCTL_NAMES { \
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{ 0, 0 }, \
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{ "maskrepl", CTLTYPE_INT }, \
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{ "bmcastecho", CTLTYPE_INT }, \
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{ "errppslimit", CTLTYPE_INT }, \
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{ "rediraccept", CTLTYPE_INT }, \
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{ "redirtimeout", CTLTYPE_INT }, \
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{ "tstamprepl", CTLTYPE_INT }, \
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{ "stats", CTLTYPE_STRUCT } \
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}
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#ifdef _KERNEL
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#include <sys/percpu.h>
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enum icmpstat_counters {
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icps_error,
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icps_toofreq,
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icps_oldshort,
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icps_oldicmp,
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icps_outhist,
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icps_badcode = icps_outhist + ICMP_MAXTYPE + 1,
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icps_tooshort,
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icps_checksum,
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icps_badlen,
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icps_reflect,
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icps_bmcastecho,
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icps_inhist,
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icps_ncounters = icps_inhist + ICMP_MAXTYPE + 1
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};
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extern struct cpumem *icmpcounters;
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static inline void
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icmpstat_inc(enum icmpstat_counters c)
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{
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counters_inc(icmpcounters, c);
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}
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#endif /* _KERNEL */
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#endif /* _NETINET_ICMP_VAR_H_ */
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