igmp.h
资源名称:ixp425BSP.rar [点击查看]
上传用户:luoyougen
上传日期:2008-05-12
资源大小:23136k
文件大小:4k
源码类别:
VxWorks
开发平台:
C/C++
- /* igmp.h - internet group management protocol header file */
- /* Copyright 1984 - 2001 Wind River Systems, Inc. */
- /*
- * Copyright (c) 1988 Stephen Deering.
- * Copyright (c) 1992, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Stephen Deering of Stanford University.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)igmp.h 8.1 (Berkeley) 6/10/93
- * $FreeBSD: src/sys/netinet/igmp.h,v 1.10 1999/08/28 00:49:15 peter Exp $
- */
- /*
- * Internet Group Management Protocol (IGMP) definitions.
- *
- * Written by Steve Deering, Stanford, May 1988.
- *
- * MULTICAST Revision: 3.5.1.2
- */
- /*
- modification history
- --------------------
- 01b,10oct01,rae merged from truestack, upgrade to IGMPv2
- 01a,03mar96,vin created from BSD4.4lite2.
- */
- /* Internet Group Management Protocol (IGMP) definitions. */
- #ifndef __INCigmph
- #define __INCigmph
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if ((CPU_FAMILY==I960) && (defined __GNUC__))
- #pragma align 1 /* tell gcc960 not to optimize alignments */
- #endif /* CPU_FAMILY==I960 */
- /*
- * IGMP packet format.
- */
- struct igmp {
- u_char igmp_type; /* version & type of IGMP message */
- u_char igmp_code; /* subtype for routing msgs */
- u_short igmp_cksum; /* IP-style checksum */
- struct in_addr igmp_group; /* group address being reported */
- }; /* (zero for queries) */
- #define IGMP_MINLEN 8
- /*
- * Message types, including version number.
- */
- #define IGMP_MEMBERSHIP_QUERY 0x11 /* membership query */
- #define IGMP_V1_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */
- #define IGMP_V2_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */
- #define IGMP_V2_LEAVE_GROUP 0x17 /* Leave-group message */
- #define IGMP_DVMRP 0x13 /* DVMRP routing message */
- #define IGMP_PIM 0x14 /* PIM routing message */
- #define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/
- #define IGMP_MTRACE 0x1f /* mcast traceroute messages */
- #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */
- /* query (in seconds) according */
- /* to RFC1112 */
- #define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */
- /* specifies time in 10th of seconds*/
- /*
- * The following four defininitions are for backwards compatibility.
- * They should be removed as soon as all applications are updated to
- * use the new constant names.
- */
- #define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY
- #define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT
- #define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT
- #define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP
- #ifdef __cplusplus
- }
- #endif
- #endif /* __INCigmph */