| 1 |
1026 |
ivang |
/*
|
| 2 |
|
|
* Copyright (c) 1988 Stephen Deering.
|
| 3 |
|
|
* Copyright (c) 1992, 1993
|
| 4 |
|
|
* The Regents of the University of California. All rights reserved.
|
| 5 |
|
|
*
|
| 6 |
|
|
* This code is derived from software contributed to Berkeley by
|
| 7 |
|
|
* Stephen Deering of Stanford University.
|
| 8 |
|
|
*
|
| 9 |
|
|
* Redistribution and use in source and binary forms, with or without
|
| 10 |
|
|
* modification, are permitted provided that the following conditions
|
| 11 |
|
|
* are met:
|
| 12 |
|
|
* 1. Redistributions of source code must retain the above copyright
|
| 13 |
|
|
* notice, this list of conditions and the following disclaimer.
|
| 14 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
| 15 |
|
|
* notice, this list of conditions and the following disclaimer in the
|
| 16 |
|
|
* documentation and/or other materials provided with the distribution.
|
| 17 |
|
|
* 3. All advertising materials mentioning features or use of this software
|
| 18 |
|
|
* must display the following acknowledgement:
|
| 19 |
|
|
* This product includes software developed by the University of
|
| 20 |
|
|
* California, Berkeley and its contributors.
|
| 21 |
|
|
* 4. Neither the name of the University nor the names of its contributors
|
| 22 |
|
|
* may be used to endorse or promote products derived from this software
|
| 23 |
|
|
* without specific prior written permission.
|
| 24 |
|
|
*
|
| 25 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
| 26 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| 27 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| 28 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
| 29 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
| 30 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
| 31 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
| 32 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
| 33 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
| 34 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
| 35 |
|
|
* SUCH DAMAGE.
|
| 36 |
|
|
*
|
| 37 |
|
|
* @(#)igmp.h 8.1 (Berkeley) 6/10/93
|
| 38 |
|
|
* igmp.h,v 1.1 1998/08/19 21:32:19 joel Exp
|
| 39 |
|
|
*/
|
| 40 |
|
|
|
| 41 |
|
|
#ifndef _NETINET_IGMP_H_
|
| 42 |
|
|
#define _NETINET_IGMP_H_
|
| 43 |
|
|
|
| 44 |
|
|
/*
|
| 45 |
|
|
* Internet Group Management Protocol (IGMP) definitions.
|
| 46 |
|
|
*
|
| 47 |
|
|
* Written by Steve Deering, Stanford, May 1988.
|
| 48 |
|
|
*
|
| 49 |
|
|
* MULTICAST Revision: 3.5.1.2
|
| 50 |
|
|
*/
|
| 51 |
|
|
|
| 52 |
|
|
/*
|
| 53 |
|
|
* IGMP packet format.
|
| 54 |
|
|
*/
|
| 55 |
|
|
struct igmp {
|
| 56 |
|
|
u_char igmp_type; /* version & type of IGMP message */
|
| 57 |
|
|
u_char igmp_code; /* subtype for routing msgs */
|
| 58 |
|
|
u_short igmp_cksum; /* IP-style checksum */
|
| 59 |
|
|
struct in_addr igmp_group; /* group address being reported */
|
| 60 |
|
|
}; /* (zero for queries) */
|
| 61 |
|
|
|
| 62 |
|
|
#define IGMP_MINLEN 8
|
| 63 |
|
|
|
| 64 |
|
|
/*
|
| 65 |
|
|
* Message types, including version number.
|
| 66 |
|
|
*/
|
| 67 |
|
|
#define IGMP_MEMBERSHIP_QUERY 0x11 /* membership query */
|
| 68 |
|
|
#define IGMP_V1_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */
|
| 69 |
|
|
#define IGMP_V2_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */
|
| 70 |
|
|
#define IGMP_V2_LEAVE_GROUP 0x17 /* Leave-group message */
|
| 71 |
|
|
|
| 72 |
|
|
#define IGMP_DVMRP 0x13 /* DVMRP routing message */
|
| 73 |
|
|
#define IGMP_PIM 0x14 /* PIM routing message */
|
| 74 |
|
|
|
| 75 |
|
|
#define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/
|
| 76 |
|
|
#define IGMP_MTRACE 0x1f /* mcast traceroute messages */
|
| 77 |
|
|
|
| 78 |
|
|
#define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */
|
| 79 |
|
|
/* query (in seconds) according */
|
| 80 |
|
|
/* to RFC1112 */
|
| 81 |
|
|
|
| 82 |
|
|
|
| 83 |
|
|
#define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */
|
| 84 |
|
|
/* specifies time in 10th of seconds*/
|
| 85 |
|
|
|
| 86 |
|
|
/*
|
| 87 |
|
|
* The following four defininitions are for backwards compatibility.
|
| 88 |
|
|
* They should be removed as soon as all applications are updated to
|
| 89 |
|
|
* use the new constant names.
|
| 90 |
|
|
*/
|
| 91 |
|
|
#define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY
|
| 92 |
|
|
#define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT
|
| 93 |
|
|
#define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT
|
| 94 |
|
|
#define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP
|
| 95 |
|
|
|
| 96 |
|
|
#endif /* _NETINET_IGMP_H_ */
|
