sys/netinet/icmp_var.h

   1 /*      $NetBSD: icmp_var.h,v 1.30 2015/02/18 17:00:15 christos 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_BADCODE       3       /* icmp_code out of range */
  50 #define ICMP_STAT_TOOSHORT      4       /* packet < ICMP_MINLEN */
  51 #define ICMP_STAT_CHECKSUM      5       /* bad checksum */
  52 #define ICMP_STAT_BADLEN        6       /* calculated bound mismatch */
  53 #define ICMP_STAT_REFLECT       7       /* number of responses */
  54 #define ICMP_STAT_PMTUCHG       8       /* path MTU changes */
  55 #define ICMP_STAT_BMCASTECHO    9       /* b/mcast echo requests dropped */
  56 #define ICMP_STAT_BMCASTTSTAMP  10      /* b/mcast tstamp requests dropped */
  57 #define ICMP_STAT_LAST          16      /* Allow for 5 spare ones */
  58 #define ICMP_STAT_OUTHIST       ICMP_STAT_LAST
  59 #define ICMP_STAT_INHIST        (ICMP_STAT_LAST + ICMP_NTYPES)
  60 #define ICMP_NSTATS             (ICMP_STAT_LAST + 2 * ICMP_NTYPES)
  61
  62 /*
  63  * Names for ICMP sysctl objects
  64  */
  65 #define ICMPCTL_MASKREPL        1       /* allow replies to netmask requests */
  66 #if 0   /*obsoleted*/
  67 #define ICMPCTL_ERRRATELIMIT    2       /* error rate limit */
  68 #endif
  69 #define ICMPCTL_RETURNDATABYTES 3       /* # of bytes to include in errors */
  70 #define ICMPCTL_ERRPPSLIMIT     4       /* ICMP error pps limitation */
  71 #define ICMPCTL_REDIRACCEPT     5       /* Accept redirects from routers */
  72 #define ICMPCTL_REDIRTIMEOUT    6       /* Remove routes added via redirects */
  73 #define ICMPCTL_STATS           7       /* ICMP statistics */
  74 #define ICMPCTL_BMCASTECHO      8       /* allow broad/mult-cast echo */
  75 #define ICMPCTL_MAXID           9
  76
  77 #define ICMPCTL_NAMES { \
  78         { 0, 0 }, \
  79         { "maskrepl", CTLTYPE_INT }, \
  80         { 0, 0 }, \
  81         { "returndatabytes", CTLTYPE_INT }, \
  82         { "errppslimit", CTLTYPE_INT }, \
  83         { "rediraccept", CTLTYPE_INT }, \
  84         { "redirtimeout", CTLTYPE_INT }, \
  85         { "stats", CTLTYPE_STRUCT }, \
  86         { "bmcastecho", CTLTYPE_INT }, \
  87 }
  88
  89 #ifdef _KERNEL
  90
  91 void    icmp_statinc(u_int stat);
  92
  93 #endif /* _KERNEL_ */
  94
  95 #endif /* !_NETINET_ICMP_VAR_H_ */