/* -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*- *//* * Copyright (c) 2001-2008 XORP, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software") * to deal in the Software without restriction, subject to the conditions * listed in the XORP LICENSE file. These conditions include: you must * preserve this copyright notice, and you cannot mention the copyright * holders in advertising related to the Software without their permission. * The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This * notice is a summary of the XORP LICENSE file; the license in that file is * legally binding. *//* * $XORP: xorp/contrib/mld6igmp_lite/igmp_proto.h,v 1.2 2008/07/23 05:09:48 pavlin Exp $ */#ifndef __MLD6IGMP_IGMP_PROTO_H__#define __MLD6IGMP_IGMP_PROTO_H__/* * Internet Group Management Protocol protocol-specific definitions: * IGMPv1 and IGMPv2 (RFC 2236), and IGMPv3 (RFC 3376). */#ifdef HAVE_NETINET_IN_H#include <netinet/in.h>#endif#ifdef HAVE_NETINET_IGMP_H#include <netinet/igmp.h>#endif/* * Constants definitions */#ifndef IPPROTO_IGMP#define IPPROTO_IGMP				2#endif/* IGMP versions definition */#define IGMP_V1					1#define IGMP_V2					2#define IGMP_V3					3#define IGMP_VERSION_MIN			IGMP_V1#define IGMP_VERSION_MAX			IGMP_V3#define IGMP_VERSION_DEFAULT			IGMP_V2/* * Constants for IGMP Version 2. * All intervals are in seconds. * XXX: several of these, especially the robustness variable, should be * variables and not constants. * XXX: some of the definitions are copied from mrouted code. */#define	IGMP_ROBUSTNESS_VARIABLE		2#define	IGMP_QUERY_INTERVAL			125#define	IGMP_QUERY_RESPONSE_INTERVAL		10#define	IGMP_GROUP_MEMBERSHIP_INTERVAL		(IGMP_ROBUSTNESS_VARIABLE     \						* IGMP_QUERY_INTERVAL	      \						+ IGMP_QUERY_RESPONSE_INTERVAL)#define	IGMP_OTHER_QUERIER_PRESENT_INTERVAL	(IGMP_ROBUSTNESS_VARIABLE     \						* IGMP_QUERY_INTERVAL	      \					+ IGMP_QUERY_RESPONSE_INTERVAL / 2)#define	IGMP_STARTUP_QUERY_INTERVAL		(IGMP_QUERY_INTERVAL / 4)#define	IGMP_STARTUP_QUERY_COUNT		IGMP_ROBUSTNESS_VARIABLE#define	IGMP_LAST_MEMBER_QUERY_INTERVAL		1#define	IGMP_LAST_MEMBER_QUERY_COUNT		IGMP_ROBUSTNESS_VARIABLE#define IGMP_VERSION1_ROUTER_PRESENT_TIMEOUT	400#define IGMP_OLDER_VERSION_HOST_PRESENT_INTERVAL (IGMP_ROBUSTNESS_VARIABLE    \						* IGMP_QUERY_INTERVAL	      \						+ IGMP_QUERY_RESPONSE_INTERVAL)#ifndef IGMP_TIMER_SCALE/* the igmp code field is in 10th of seconds */#define IGMP_TIMER_SCALE			10#endif/* * DVMRP message types from mrouted/mrinfo * (carried in the "code" field of an IGMP header) *//* TODO: remove the things we don't need */#define DVMRP_PROBE		1	/* for finding neighbors             */#define DVMRP_REPORT		2	/* for reporting some or all routes  */#define DVMRP_ASK_NEIGHBORS	3	/* sent by mapper, asking for a list */					/* of this router's neighbors.	     */#define DVMRP_NEIGHBORS		4	/* response to such a request	     */#define DVMRP_ASK_NEIGHBORS2	5	/* as above, want new format reply   */#define DVMRP_NEIGHBORS2	6#define DVMRP_PRUNE		7	/* prune message		     */#define DVMRP_GRAFT		8	/* graft message		     */#define DVMRP_GRAFT_ACK		9	/* graft acknowledgement	     */#define DVMRP_INFO_REQUEST	10	/* information request		     */#define DVMRP_INFO_REPLY	11	/* information reply		     *//* * 'flags' byte values in DVMRP_NEIGHBORS2 reply. */#define DVMRP_NF_TUNNEL		0x01	/* neighbors reached via tunnel	     */#define DVMRP_NF_SRCRT		0x02	/* tunnel uses IP source routing     */#define DVMRP_NF_PIM		0x04	/* neighbor is a PIM neighbor	     */#define DVMRP_NF_DOWN		0x10	/* kernel state of interface	     */#define DVMRP_NF_DISABLED	0x20	/* administratively disabled	     */#define DVMRP_NF_QUERIER	0x40	/* I am the subnet's querier	     */#define DVMRP_NF_LEAF		0x80	/* Neighbor reports that it is a leaf*//* * Request/reply types for info queries/replies */#define DVMRP_INFO_VERSION	1	/* version string		     */#define DVMRP_INFO_NEIGHBORS	2	/* neighbors2 data		     *//* * IGMPv1,v2-related missing definitions */#ifndef IGMP_MEMBERSHIP_QUERY#  ifdef IGMP_HOST_MEMBERSHIP_QUERY#    define IGMP_MEMBERSHIP_QUERY	IGMP_HOST_MEMBERSHIP_QUERY#  else#    define IGMP_MEMBERSHIP_QUERY	0x11#  endif#endif#ifndef IGMP_V1_MEMBERSHIP_REPORT#  ifdef IGMP_v1_HOST_MEMBERSHIP_REPORT#    define IGMP_V1_MEMBERSHIP_REPORT	IGMP_v1_HOST_MEMBERSHIP_REPORT#  else#    define IGMP_V1_MEMBERSHIP_REPORT	0x12#  endif#endif#ifndef IGMP_V2_MEMBERSHIP_REPORT#  ifdef IGMP_v2_HOST_MEMBERSHIP_REPORT#    define IGMP_V2_MEMBERSHIP_REPORT	IGMP_v2_HOST_MEMBERSHIP_REPORT#  else#    define IGMP_V2_MEMBERSHIP_REPORT	0x16#  endif#endif#ifndef IGMP_V2_LEAVE_GROUP#  ifdef IGMP_HOST_LEAVE_MESSAGE#    define IGMP_V2_LEAVE_GROUP		IGMP_HOST_LEAVE_MESSAGE#  else#    define IGMP_V2_LEAVE_GROUP		0x17#  endif#endif#ifndef IGMP_DVMRP#  define IGMP_DVMRP			0x13#endif#ifndef IGMP_PIM#  define IGMP_PIM			0x14#endif#ifndef IGMP_MTRACE_RESP#  ifdef IGMP_MTRACE_REPLY#    define IGMP_MTRACE_RESP		IGMP_MTRACE_REPLY#  else#    define IGMP_MTRACE_RESP		0x1e#  endif#endif#ifndef IGMP_MTRACE#  ifdef IGMP_MTRACE_QUERY#    define IGMP_MTRACE			IGMP_MTRACE_QUERY#  else#    define IGMP_MTRACE			0x1f#  endif#endif#ifndef IGMP_MINLEN#  define IGMP_MINLEN			8#endif/* * IGMPv3-related missing definitions */#ifndef IGMP_V3_MEMBERSHIP_REPORT#  ifdef IGMP_v3_HOST_MEMBERSHIP_REPORT#    define IGMP_V3_MEMBERSHIP_REPORT	IGMP_v3_HOST_MEMBERSHIP_REPORT#  else#    define IGMP_V3_MEMBERSHIP_REPORT	0x22#  endif#endif#ifndef IGMP_MODE_IS_INCLUDE#  define IGMP_MODE_IS_INCLUDE		1#endif#ifndef IGMP_MODE_IS_EXCLUDE#  define IGMP_MODE_IS_EXCLUDE		2#endif#ifndef IGMP_CHANGE_TO_INCLUDE_MODE#  define IGMP_CHANGE_TO_INCLUDE_MODE	3#endif#ifndef IGMP_CHANGE_TO_EXCLUDE_MODE#  define IGMP_CHANGE_TO_EXCLUDE_MODE	4#endif#ifndef IGMP_ALLOW_NEW_SOURCES#  define IGMP_ALLOW_NEW_SOURCES	5#endif#ifndef IGMP_BLOCK_OLD_SOURCES#  define IGMP_BLOCK_OLD_SOURCES	6#endif#ifndef IGMP_V3_QUERY_MINLEN#  define IGMP_V3_QUERY_MINLEN		12#endif#ifndef IGMP_EXP#  define IGMP_EXP(x)			(((x) >> 4) & 0x07)#endif#ifndef IGMP_MANT#  define IGMP_MANT(x)			((x) & 0x0f)#endif#ifndef IGMP_QRESV#  define GMP_QRESV(x)			(((x) >> 4) & 0x0f)#endif#ifndef IGMP_SFLAG#  define IGMP_SFLAG(x)			(((x) >> 3) & 0x01)#endif#ifndef IGMP_QRV#  define IGMP_QRV(x)			((x) & 0x07)#endif/* * Structures, typedefs and macros *//* * The ASCII names of the IGMP protocol control messages */#ifdef IGMP_V3_MEMBERSHIP_REPORT#define IGMPV3TYPE2ASCII(t)						\(((t) == IGMP_V3_MEMBERSHIP_REPORT) ?					\    "IGMP_V3_MEMBERSHIP_REPORT"						\    : "IGMP_type_unknown")#else#define IGMPV3TYPE2ASCII(t)	"IGMP_type_unknown"#endif#define IGMPTYPE2ASCII(t)						\(((t) == IGMP_MEMBERSHIP_QUERY) ?					\    "IGMP_MEMBERSHIP_QUERY"						\    : ((t) == IGMP_V1_MEMBERSHIP_REPORT) ?				\	"IGMP_V1_MEMBERSHIP_REPORT"					\	: ((t) == IGMP_V2_MEMBERSHIP_REPORT) ?				\	    "IGMP_V2_MEMBERSHIP_REPORT"					\	    : ((t) == IGMP_V2_LEAVE_GROUP) ?				\		"IGMP_V2_LEAVE_GROUP"					\		: ((t) == IGMP_DVMRP) ?					\		    "IGMP_DVMRP"					\		    : ((t) == IGMP_PIM) ?				\			"IGMP_PIM"					\			: ((t) == IGMP_MTRACE_RESP) ?			\			    "IGMP_MTRACE_RESP"				\			    : ((t) == IGMP_MTRACE) ?			\				"IGMP_MTRACE"				\				: IGMPV3TYPE2ASCII(t))/* * Global variables *//* * Global functions prototypes */__BEGIN_DECLS__END_DECLS#endif /* __MLD6IGMP_IGMP_PROTO_H__ */