diff options
Diffstat (limited to 'freebsd/sys/netinet/igmp.h')
| -rw-r--r-- | freebsd/sys/netinet/igmp.h | 150 |
1 files changed, 148 insertions, 2 deletions
diff --git a/freebsd/sys/netinet/igmp.h b/freebsd/sys/netinet/igmp.h index f328d21f..8f574290 100644 --- a/freebsd/sys/netinet/igmp.h +++ b/freebsd/sys/netinet/igmp.h @@ -1,2 +1,148 @@ -#include <freebsd/bsd.h> -#include <freebsd/netinet/igmp.h> +/*- + * 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. + * 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 + * $FreeBSD$ + */ + +#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 + */ + +/* Minimum length of any IGMP protocol message. */ +#define IGMP_MINLEN 8 + +/* + * IGMPv1/v2 query and host report 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) */ + +/* + * IGMP v3 query format. + */ +struct igmpv3 { + 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) */ + u_char igmp_misc; /* reserved/suppress/robustness */ + u_char igmp_qqi; /* querier's query interval */ + u_short igmp_numsrc; /* number of sources */ + /*struct in_addr igmp_sources[1];*/ /* source addresses */ +}; +#define IGMP_V3_QUERY_MINLEN 12 +#define IGMP_EXP(x) (((x) >> 4) & 0x07) +#define IGMP_MANT(x) ((x) & 0x0f) +#define IGMP_QRESV(x) (((x) >> 4) & 0x0f) +#define IGMP_SFLAG(x) (((x) >> 3) & 0x01) +#define IGMP_QRV(x) ((x) & 0x07) + +struct igmp_grouprec { + u_char ig_type; /* record type */ + u_char ig_datalen; /* length of auxiliary data */ + u_short ig_numsrc; /* number of sources */ + struct in_addr ig_group; /* group address being reported */ + /*struct in_addr ig_sources[1];*/ /* source addresses */ +}; +#define IGMP_GRPREC_HDRLEN 8 + +/* + * IGMPv3 host membership report header. + */ +struct igmp_report { + u_char ir_type; /* IGMP_v3_HOST_MEMBERSHIP_REPORT */ + u_char ir_rsv1; /* must be zero */ + u_short ir_cksum; /* checksum */ + u_short ir_rsv2; /* must be zero */ + u_short ir_numgrps; /* number of group records */ + /*struct igmp_grouprec ir_groups[1];*/ /* group records */ +}; +#define IGMP_V3_REPORT_MINLEN 8 +#define IGMP_V3_REPORT_MAXRECS 65535 + +/* + * Message types, including version number. + */ +#define IGMP_HOST_MEMBERSHIP_QUERY 0x11 /* membership query */ +#define IGMP_v1_HOST_MEMBERSHIP_REPORT 0x12 /* Ver. 1 membership report */ +#define IGMP_DVMRP 0x13 /* DVMRP routing message */ +#define IGMP_PIM 0x14 /* PIMv1 message (historic) */ +#define IGMP_v2_HOST_MEMBERSHIP_REPORT 0x16 /* Ver. 2 membership report */ +#define IGMP_HOST_LEAVE_MESSAGE 0x17 /* Leave-group message */ +#define IGMP_MTRACE_REPLY 0x1e /* mtrace(8) reply */ +#define IGMP_MTRACE_QUERY 0x1f /* mtrace(8) probe */ +#define IGMP_v3_HOST_MEMBERSHIP_REPORT 0x22 /* Ver. 3 membership report */ + +/* + * IGMPv3 report modes. + */ +#define IGMP_DO_NOTHING 0 /* don't send a record */ +#define IGMP_MODE_IS_INCLUDE 1 /* MODE_IN */ +#define IGMP_MODE_IS_EXCLUDE 2 /* MODE_EX */ +#define IGMP_CHANGE_TO_INCLUDE_MODE 3 /* TO_IN */ +#define IGMP_CHANGE_TO_EXCLUDE_MODE 4 /* TO_EX */ +#define IGMP_ALLOW_NEW_SOURCES 5 /* ALLOW_NEW */ +#define IGMP_BLOCK_OLD_SOURCES 6 /* BLOCK_OLD */ + +/* + * IGMPv3 query types. + */ +#define IGMP_V3_GENERAL_QUERY 1 +#define IGMP_V3_GROUP_QUERY 2 +#define IGMP_V3_GROUP_SOURCE_QUERY 3 + +/* + * Maximum report interval for IGMP v1/v2 host membership reports [RFC 1112] + */ +#define IGMP_V1V2_MAX_RI 10 +#define IGMP_MAX_HOST_REPORT_DELAY IGMP_V1V2_MAX_RI + +/* + * IGMP_TIMER_SCALE denotes that the igmp code field specifies + * time in tenths of a second. + */ +#define IGMP_TIMER_SCALE 10 + +#endif /* _NETINET_IGMP_H_ */ |