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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [netinet/] [igmp.h] - Blame information for rev 829

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Line No. Rev Author Line
1 207 jeremybenn
/*
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 * Copyright (c) 1988 Stephen Deering.
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 * Copyright (c) 1992, 1993
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 *      The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Stephen Deering of Stanford University.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. All advertising materials mentioning features or use of this software
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 *    must display the following acknowledgement:
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 *      This product includes software developed by the University of
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 *      California, Berkeley and its contributors.
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 * 4. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 *
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 *      @(#)igmp.h      8.1 (Berkeley) 6/10/93
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 * $FreeBSD: src/sys/netinet/igmp.h,v 1.10 1999/08/28 00:49:15 peter Exp $
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 */
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#ifndef _NETINET_IGMP_H_
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#define _NETINET_IGMP_H_
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/*
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 * Internet Group Management Protocol (IGMP) definitions.
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 *
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 * Written by Steve Deering, Stanford, May 1988.
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 *
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 * MULTICAST Revision: 3.5.1.2
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 */
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/*
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 * IGMP packet format.
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 */
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struct igmp {
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        u_char          igmp_type;      /* version & type of IGMP message  */
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        u_char          igmp_code;      /* subtype for routing msgs        */
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        u_short         igmp_cksum;     /* IP-style checksum               */
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        struct in_addr  igmp_group;     /* group address being reported    */
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};                                      /*  (zero for queries)             */
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#define IGMP_MINLEN                  8
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/*
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 * Message types, including version number.
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 */
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#define IGMP_MEMBERSHIP_QUERY           0x11    /* membership query         */
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#define IGMP_V1_MEMBERSHIP_REPORT       0x12    /* Ver. 1 membership report */
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#define IGMP_V2_MEMBERSHIP_REPORT       0x16    /* Ver. 2 membership report */
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#define IGMP_V2_LEAVE_GROUP             0x17    /* Leave-group message      */
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#define IGMP_DVMRP                      0x13    /* DVMRP routing message    */
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#define IGMP_PIM                        0x14    /* PIM routing message      */
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#define IGMP_MTRACE_RESP                0x1e  /* traceroute resp.(to sender)*/
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#define IGMP_MTRACE                     0x1f  /* mcast traceroute messages  */
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#define IGMP_MAX_HOST_REPORT_DELAY   10    /* max delay for response to     */
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                                           /*  query (in seconds) according */
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                                           /*  to RFC1112                   */
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#define IGMP_TIMER_SCALE     10         /* denotes that the igmp code field */
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                                        /* specifies time in 10th of seconds*/
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/*
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 * The following four defininitions are for backwards compatibility.
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 * They should be removed as soon as all applications are updated to
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 * use the new constant names.
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 */
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#define IGMP_HOST_MEMBERSHIP_QUERY      IGMP_MEMBERSHIP_QUERY
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#define IGMP_HOST_MEMBERSHIP_REPORT     IGMP_V1_MEMBERSHIP_REPORT
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#define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT
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#define IGMP_HOST_LEAVE_MESSAGE         IGMP_V2_LEAVE_GROUP
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#endif /* _NETINET_IGMP_H_ */

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