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Annotation of XNU/bsd/netinet/icmp_var.h, revision 1.1

1.1     ! root        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

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