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

     /*      $NetBSD: icmp_var.h,v 1.32 2022/08/29 09:14:02 knakahara 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_BADCODE       3       /* icmp_code out of range */
    #define ICMP_STAT_TOOSHORT      4       /* packet < ICMP_MINLEN */
    #define ICMP_STAT_CHECKSUM      5       /* bad checksum */
    #define ICMP_STAT_BADLEN        6       /* calculated bound mismatch */
    #define ICMP_STAT_REFLECT       7       /* number of responses */
    #define ICMP_STAT_PMTUCHG       8       /* path MTU changes */
    #define ICMP_STAT_BMCASTECHO    9       /* b/mcast echo requests dropped */
    #define ICMP_STAT_BMCASTTSTAMP  10      /* b/mcast tstamp requests dropped */
    #define ICMP_STAT_LAST          16      /* Allow for 5 spare ones */
    #define ICMP_STAT_OUTHIST       ICMP_STAT_LAST
    #define ICMP_STAT_INHIST        (ICMP_STAT_LAST + ICMP_NTYPES)
    #define ICMP_NSTATS             (ICMP_STAT_LAST + 2 * ICMP_NTYPES)
    
    /*
     * 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_BMCASTECHO      8       /* allow broad/mult-cast echo */
    #define ICMPCTL_DYNAMIC_RT_MSG  9       /* send routing message for RTM_DYNAMIC */
    
    #ifdef _KERNEL
    
    void    icmp_statinc(u_int stat);
    
    #endif /* _KERNEL_ */
    
    #endif /* !_NETINET_ICMP_VAR_H_ */

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