sys/netinet/icmp_var.h

   1 /*      $NetBSD: icmp_var.h,v 1.27 2008/04/12 05:58:22 thorpej Exp $    */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)icmp_var.h  8.1 (Berkeley) 6/10/93
  32  */
  33
  34 #ifndef _NETINET_ICMP_VAR_H_
  35 #define _NETINET_ICMP_VAR_H_
  36
  37 /*
  38  * Variables related to this implementation
  39  * of the internet control message protocol.
  40  */
  41
  42 /*
  43  * ICMP stastistics.
  44  * Each counter is an unsigned 64-bit value.
  45  */
  46 #define ICMP_STAT_ERROR         0       /* # of calls to icmp_error */
  47 #define ICMP_STAT_OLDSHORT      1       /* no error (old ip too short) */
  48 #define ICMP_STAT_OLDICMP       2       /* no error (old was icmp) */
  49 #define ICMP_STAT_OUTHIST       3       /* # of output messages */
  50                 /* space for ICMP_MAXTYPE + 1 (19) counters */
  51 #define ICMP_STAT_BADCODE       22      /* icmp_code out of range */
  52 #define ICMP_STAT_TOOSHORT      23      /* packet < ICMP_MINLEN */
  53 #define ICMP_STAT_CHECKSUM      24      /* bad checksum */
  54 #define ICMP_STAT_BADLEN        25      /* calculated bound mismatch */
  55 #define ICMP_STAT_REFLECT       26      /* number of responses */
  56 #define ICMP_STAT_INHIST        27      /* # of input messages */
  57                 /* space for ICMP_MAXTYPE + 1 (19) counters */
  58 #define ICMP_STAT_PMTUCHG       46      /* path MTU changes */
  59
  60 #define ICMP_STAT_BMCASTECHO    47      /* b/mcast echo requests dropped */
  61 #define ICMP_STAT_BMCASTTSTAMP  48      /* b/mcast tstamp requests dropped */
  62
  63 #define ICMP_NSTATS             49
  64
  65 #if ICMP_MAXTYPE != 18
  66 #error ICMP_MAXTYPE too large for ICMP statistics
  67 #endif
  68
  69 /*
  70  * Names for ICMP sysctl objects
  71  */
  72 #define ICMPCTL_MASKREPL        1       /* allow replies to netmask requests */
  73 #if 0   /*obsoleted*/
  74 #define ICMPCTL_ERRRATELIMIT    2       /* error rate limit */
  75 #endif
  76 #define ICMPCTL_RETURNDATABYTES 3       /* # of bytes to include in errors */
  77 #define ICMPCTL_ERRPPSLIMIT     4       /* ICMP error pps limitation */
  78 #define ICMPCTL_REDIRACCEPT     5       /* Accept redirects from routers */
  79 #define ICMPCTL_REDIRTIMEOUT    6       /* Remove routes added via redirects */
  80 #define ICMPCTL_STATS           7       /* ICMP statistics */
  81 #define ICMPCTL_BMCASTECHO      8       /* allow broad/mult-cast echo */
  82 #define ICMPCTL_MAXID           9
  83
  84 #define ICMPCTL_NAMES { \
  85         { 0, 0 }, \
  86         { "maskrepl", CTLTYPE_INT }, \
  87         { 0, 0 }, \
  88         { "returndatabytes", CTLTYPE_INT }, \
  89         { "errppslimit", CTLTYPE_INT }, \
  90         { "rediraccept", CTLTYPE_INT }, \
  91         { "redirtimeout", CTLTYPE_INT }, \
  92         { "stats", CTLTYPE_STRUCT }, \
  93         { "bmcastecho", CTLTYPE_INT }, \
  94 }
  95
  96 #ifdef _KERNEL
  97
  98 void    icmp_statinc(u_int stat);
  99
 100 #endif /* _KERNEL_ */
 101
 102 #endif /* !_NETINET_ICMP_VAR_H_ */