/* -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*- */ /* * Copyright (c) 2001-2007 International Computer Science Institute * * 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/mld6igmp/igmp_proto.h,v 1.16 2007/02/16 22:46:35 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_IGMP_H #include <netinet/igmp.h> #endif /* * Constants definitions */ /* 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__ */