Return to igmp.h CVS log

Up to [Apple XNU] / XNU / bsd / netinet

Annotation of XNU/bsd/netinet/igmp.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) 1988 Stephen Deering.
        !            24:  * Copyright (c) 1992, 1993
        !            25:  *     The Regents of the University of California.  All rights reserved.
        !            26:  *
        !            27:  * This code is derived from software contributed to Berkeley by
        !            28:  * Stephen Deering of Stanford University.
        !            29:  *
        !            30:  * Redistribution and use in source and binary forms, with or without
        !            31:  * modification, are permitted provided that the following conditions
        !            32:  * are met:
        !            33:  * 1. Redistributions of source code must retain the above copyright
        !            34:  *    notice, this list of conditions and the following disclaimer.
        !            35:  * 2. Redistributions in binary form must reproduce the above copyright
        !            36:  *    notice, this list of conditions and the following disclaimer in the
        !            37:  *    documentation and/or other materials provided with the distribution.
        !            38:  * 3. All advertising materials mentioning features or use of this software
        !            39:  *    must display the following acknowledgement:
        !            40:  *     This product includes software developed by the University of
        !            41:  *     California, Berkeley and its contributors.
        !            42:  * 4. Neither the name of the University nor the names of its contributors
        !            43:  *    may be used to endorse or promote products derived from this software
        !            44:  *    without specific prior written permission.
        !            45:  *
        !            46:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            47:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            48:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            49:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            50:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            51:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            52:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            53:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            54:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            55:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            56:  * SUCH DAMAGE.
        !            57:  *
        !            58:  *     @(#)igmp.h      8.1 (Berkeley) 6/10/93
        !            59:  */
        !            60: 
        !            61: #ifndef _NETINET_IGMP_H_
        !            62: #define _NETINET_IGMP_H_
        !            63: 
        !            64: /*
        !            65:  * Internet Group Management Protocol (IGMP) definitions.
        !            66:  *
        !            67:  * Written by Steve Deering, Stanford, May 1988.
        !            68:  *
        !            69:  * MULTICAST Revision: 3.5.1.2
        !            70:  */
        !            71: 
        !            72: /*
        !            73:  * IGMP packet format.
        !            74:  */
        !            75: struct igmp {
        !            76:        u_char          igmp_type;      /* version & type of IGMP message  */
        !            77:        u_char          igmp_code;      /* subtype for routing msgs        */
        !            78:        u_short         igmp_cksum;     /* IP-style checksum               */
        !            79:        struct in_addr  igmp_group;     /* group address being reported    */
        !            80: };                                     /*  (zero for queries)             */
        !            81: 
        !            82: #define IGMP_MINLEN                 8
        !            83: 
        !            84: /*
        !            85:  * Message types, including version number.
        !            86:  */
        !            87: #define IGMP_MEMBERSHIP_QUERY          0x11    /* membership query         */
        !            88: #define IGMP_V1_MEMBERSHIP_REPORT      0x12    /* Ver. 1 membership report */
        !            89: #define IGMP_V2_MEMBERSHIP_REPORT      0x16    /* Ver. 2 membership report */
        !            90: #define IGMP_V2_LEAVE_GROUP            0x17    /* Leave-group message      */
        !            91: 
        !            92: #define IGMP_DVMRP                     0x13    /* DVMRP routing message    */
        !            93: #define IGMP_PIM                       0x14    /* PIM routing message      */
        !            94: 
        !            95: #define IGMP_MTRACE_RESP               0x1e  /* traceroute resp.(to sender)*/
        !            96: #define IGMP_MTRACE                    0x1f  /* mcast traceroute messages  */
        !            97: 
        !            98: #define IGMP_MAX_HOST_REPORT_DELAY   10    /* max delay for response to     */
        !            99:                                           /*  query (in seconds) according */
        !           100:                                           /*  to RFC1112                   */
        !           101: 
        !           102: 
        !           103: #define IGMP_TIMER_SCALE     10                /* denotes that the igmp code field */
        !           104:                                        /* specifies time in 10th of seconds*/
        !           105: 
        !           106: /*
        !           107:  * The following four defininitions are for backwards compatibility.
        !           108:  * They should be removed as soon as all applications are updated to
        !           109:  * use the new constant names.
        !           110:  */
        !           111: #define IGMP_HOST_MEMBERSHIP_QUERY     IGMP_MEMBERSHIP_QUERY
        !           112: #define IGMP_HOST_MEMBERSHIP_REPORT    IGMP_V1_MEMBERSHIP_REPORT
        !           113: #define IGMP_HOST_NEW_MEMBERSHIP_REPORT        IGMP_V2_MEMBERSHIP_REPORT
        !           114: #define IGMP_HOST_LEAVE_MESSAGE                IGMP_V2_LEAVE_GROUP
        !           115: 
        !           116: #endif /* _NETINET_IGMP_H_ */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.