bsd/netinet/icmp_var.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1982, 1986, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms, with or without
  27  * modification, are permitted provided that the following conditions
  28  * are met:
  29  * 1. Redistributions of source code must retain the above copyright
  30  *    notice, this list of conditions and the following disclaimer.
  31  * 2. Redistributions in binary form must reproduce the above copyright
  32  *    notice, this list of conditions and the following disclaimer in the
  33  *    documentation and/or other materials provided with the distribution.
  34  * 3. All advertising materials mentioning features or use of this software
  35  *    must display the following acknowledgement:
  36  *      This product includes software developed by the University of
  37  *      California, Berkeley and its contributors.
  38  * 4. Neither the name of the University nor the names of its contributors
  39  *    may be used to endorse or promote products derived from this software
  40  *    without specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  *      @(#)icmp_var.h  8.1 (Berkeley) 6/10/93
  55  */
  56
  57 #ifndef _NETINET_ICMP_VAR_H_
  58 #define _NETINET_ICMP_VAR_H_
  59
  60 #ifdef KERNEL
  61 #if ISFB31
  62 #include "opt_icmp_bandlim.h"           /* for ICMP_BANDLIM     */
  63 #endif
  64 #endif
  65
  66 /*
  67  * Variables related to this implementation
  68  * of the internet control message protocol.
  69  */
  70 struct  icmpstat {
  71 /* statistics related to icmp packets generated */
  72         u_long  icps_error;             /* # of calls to icmp_error */
  73         u_long  icps_oldshort;          /* no error 'cuz old ip too short */
  74         u_long  icps_oldicmp;           /* no error 'cuz old was icmp */
  75         u_long  icps_outhist[ICMP_MAXTYPE + 1];
  76 /* statistics related to input messages processed */
  77         u_long  icps_badcode;           /* icmp_code out of range */
  78         u_long  icps_tooshort;          /* packet < ICMP_MINLEN */
  79         u_long  icps_checksum;          /* bad checksum */
  80         u_long  icps_badlen;            /* calculated bound mismatch */
  81         u_long  icps_reflect;           /* number of responses */
  82         u_long  icps_inhist[ICMP_MAXTYPE + 1];
  83         u_long  icps_bmcastecho;        /* b/mcast echo requests dropped */
  84         u_long  icps_bmcasttstamp;      /* b/mcast tstamp requests dropped */
  85 };
  86
  87 /*
  88  * Names for ICMP sysctl objects
  89  */
  90 #define ICMPCTL_MASKREPL        1       /* allow replies to netmask requests */
  91 #define ICMPCTL_STATS           2       /* statistics (read-only) */
  92 #define ICMPCTL_ICMPLIM         3
  93 #define ICMPCTL_MAXID           4
  94
  95 #define ICMPCTL_NAMES { \
  96         { 0, 0 }, \
  97         { "maskrepl", CTLTYPE_INT }, \
  98         { "stats", CTLTYPE_STRUCT }, \
  99         { "icmplim", CTLTYPE_INT }, \
 100 }
 101
 102 #ifdef KERNEL
 103 SYSCTL_DECL(_net_inet_icmp);
 104 #ifdef ICMP_BANDLIM
 105 extern int badport_bandlim __P((int));
 106 #endif
 107 #endif
 108
 109 #endif