/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2010 Apple, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1988 Stephen Deering.
* MULTICAST Revision: 3.5.1.2
*/
+/* Minimum length of any IGMP protocol message. */
+#define IGMP_MINLEN 8
+
/*
- * IGMP packet format.
+ * IGMPv1/v2 query and host report format.
*/
struct igmp {
u_char igmp_type; /* version & type of IGMP message */
struct in_addr igmp_group; /* group address being reported */
}; /* (zero for queries) */
-#define IGMP_MINLEN 8
+/*
+ * 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
/*
- * Message types, including version number.
+ * IGMPv3 host membership report header.
*/
-#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 */
+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 /* PIM 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 */
-#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 */
+/*
+ * 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
-#define IGMP_TIMER_SCALE 10 /* denotes that the igmp code field */
- /* specifies time in 10th of seconds*/
+/*
+ * 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
/*
- * 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.
+ * IGMP_TIMER_SCALE denotes that the igmp code field specifies
+ * time in tenths of a second.
*/
-#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
+#define IGMP_TIMER_SCALE 10
#endif /* _NETINET_IGMP_H_ */
projects / apple / xnu.git / blobdiff