![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to igmp.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple XNU] / XNU / bsd / netinet|
Return to igmp.h CVS log | Up to [Apple XNU] / XNU / bsd / netinet |
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.