bsd/netinet/icmp_var.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * Copyright (c) 1982, 1986, 1993
  27  *      The Regents of the University of California.  All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  * 1. Redistributions of source code must retain the above copyright
  33  *    notice, this list of conditions and the following disclaimer.
  34  * 2. Redistributions in binary form must reproduce the above copyright
  35  *    notice, this list of conditions and the following disclaimer in the
  36  *    documentation and/or other materials provided with the distribution.
  37  * 3. All advertising materials mentioning features or use of this software
  38  *    must display the following acknowledgement:
  39  *      This product includes software developed by the University of
  40  *      California, Berkeley and its contributors.
  41  * 4. Neither the name of the University nor the names of its contributors
  42  *    may be used to endorse or promote products derived from this software
  43  *    without specific prior written permission.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  55  * SUCH DAMAGE.
  56  *
  57  *      @(#)icmp_var.h  8.1 (Berkeley) 6/10/93
  58  * $FreeBSD: src/sys/netinet/icmp_var.h,v 1.15.2.1 2001/02/24 21:35:18 bmilekic Exp $
  59  */
  60
  61 #ifndef _NETINET_ICMP_VAR_H_
  62 #define _NETINET_ICMP_VAR_H_
  63 #include <sys/appleapiopts.h>
  64 #ifdef __APPLE_API_UNSTABLE
  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 #endif /* __APPLE_API_UNSTABLE */
 102
 103 #ifdef KERNEL
 104 #ifdef __APPLE_API_PRIVATE
 105 SYSCTL_DECL(_net_inet_icmp);
 106 #ifdef ICMP_BANDLIM
 107 extern int badport_bandlim __P((int));
 108 #endif
 109 #define BANDLIM_UNLIMITED -1
 110 #define BANDLIM_ICMP_UNREACH 0
 111 #define BANDLIM_ICMP_ECHO 1
 112 #define BANDLIM_ICMP_TSTAMP 2
 113 #define BANDLIM_RST_CLOSEDPORT 3 /* No connection, and no listeners */
 114 #define BANDLIM_RST_OPENPORT 4   /* No connection, listener */
 115 #define BANDLIM_MAX 4
 116 #endif /* __APPLE_API_PRIVATE */
 117 #endif
 118 #endif