NetBSD/sys/netinet/icmp_var.h

93 lines
3.5 KiB
C

/* $NetBSD: icmp_var.h,v 1.24 2005/08/05 09:21:25 elad 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_quad_t icps_error; /* # of calls to icmp_error */
u_quad_t icps_oldshort; /* no error 'cuz old ip too short */
u_quad_t icps_oldicmp; /* no error 'cuz old was icmp */
u_quad_t icps_outhist[ICMP_MAXTYPE + 1];
/* statistics related to input messages processed */
u_quad_t icps_badcode; /* icmp_code out of range */
u_quad_t icps_tooshort; /* packet < ICMP_MINLEN */
u_quad_t icps_checksum; /* bad checksum */
u_quad_t icps_badlen; /* calculated bound mismatch */
u_quad_t icps_reflect; /* number of responses */
u_quad_t icps_inhist[ICMP_MAXTYPE + 1];
u_quad_t icps_pmtuchg; /* path MTU changes */
};
/*
* Names for ICMP sysctl objects
*/
#define ICMPCTL_MASKREPL 1 /* allow replies to netmask requests */
#if 0 /*obsoleted*/
#define ICMPCTL_ERRRATELIMIT 2 /* error rate limit */
#endif
#define ICMPCTL_RETURNDATABYTES 3 /* # of bytes to include in errors */
#define ICMPCTL_ERRPPSLIMIT 4 /* ICMP error pps limitation */
#define ICMPCTL_REDIRACCEPT 5 /* Accept redirects from routers */
#define ICMPCTL_REDIRTIMEOUT 6 /* Remove routes added via redirects */
#define ICMPCTL_STATS 7 /* ICMP statistics */
#define ICMPCTL_MAXID 8
#define ICMPCTL_NAMES { \
{ 0, 0 }, \
{ "maskrepl", CTLTYPE_INT }, \
{ 0, 0 }, \
{ "returndatabytes", CTLTYPE_INT }, \
{ "errppslimit", CTLTYPE_INT }, \
{ "rediraccept", CTLTYPE_INT }, \
{ "redirtimeout", CTLTYPE_INT }, \
{ "stats", CTLTYPE_STRUCT }, \
}
#ifdef _KERNEL
extern struct icmpstat icmpstat;
#ifdef __NO_STRICT_ALIGNMENT
#define ICMP_HDR_ALIGNED_P(ic) 1
#else
#define ICMP_HDR_ALIGNED_P(ic) ((((vaddr_t) (ic)) & 3) == 0)
#endif
#endif /* _KERNEL_ */
#endif /* _NETINET_ICMP_VAR_H_ */