| 0,0 → 1,105 |
|---|
| /*!\file netinet/igmp.h |
| * Internet Group Managment Protocol. |
| */ |
| |
| /* |
| * 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 |
| * $Id: igmp.h,v 1.7 1996/03/14 16:59:17 fenner Exp $ |
| */ |
| |
| #ifndef __NETINET_IGMP_H |
| #define __NETINET_IGMP_H |
| |
| /* |
| * Internet Group Management Protocol (IGMP) definitions. |
| * |
| * Written by Steve Deering, Stanford, May 1988. |
| * |
| * MULTICAST Revision: 3.5.1.2 |
| */ |
| |
| /* |
| * IGMP packet format. |
| */ |
| |
| #include <sys/packon.h> |
| |
| 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) */ |
| |
| #include <sys/packoff.h> |
| |
| #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 |
| |
| #endif |