FreeBSD/Linux Kernel Cross Reference
sys/netinet/icmp_var.h

     /*      $NetBSD: icmp_var.h,v 1.27 2008/04/12 05:58:22 thorpej 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.
     */
    
    /*
     * ICMP stastistics.
     * Each counter is an unsigned 64-bit value.
     */
    #define ICMP_STAT_ERROR         0       /* # of calls to icmp_error */
    #define ICMP_STAT_OLDSHORT      1       /* no error (old ip too short) */
    #define ICMP_STAT_OLDICMP       2       /* no error (old was icmp) */
    #define ICMP_STAT_OUTHIST       3       /* # of output messages */
                    /* space for ICMP_MAXTYPE + 1 (19) counters */
    #define ICMP_STAT_BADCODE       22      /* icmp_code out of range */
    #define ICMP_STAT_TOOSHORT      23      /* packet < ICMP_MINLEN */
    #define ICMP_STAT_CHECKSUM      24      /* bad checksum */
    #define ICMP_STAT_BADLEN        25      /* calculated bound mismatch */
    #define ICMP_STAT_REFLECT       26      /* number of responses */
    #define ICMP_STAT_INHIST        27      /* # of input messages */
                    /* space for ICMP_MAXTYPE + 1 (19) counters */
    #define ICMP_STAT_PMTUCHG       46      /* path MTU changes */
    
    #define ICMP_NSTATS             47
    
    #if ICMP_MAXTYPE != 18
    #error ICMP_MAXTYPE too large for ICMP statistics
    #endif
    
    /*
     * 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
    
    void    icmp_statinc(u_int stat);
    
    #endif /* _KERNEL_ */
    
    #endif /* !_NETINET_ICMP_VAR_H_ */

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