479 lines
14 KiB
C
479 lines
14 KiB
C
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//============================================================================
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// Copyright (c) 1995-1999, Microsoft Corporation
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//
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// File: Mgm.h
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//
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// History:
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// V Raman June-25-1997 Created.
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//
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// Data structures and entry points into MGM.
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//============================================================================
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#ifndef _MGM_H_
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#define _MGM_H_
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#if _MSC_VER > 1000
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#pragma once
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#endif
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//----------------------------------------------------------------------------
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//
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// typedefs for callback interface
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//
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//----------------------------------------------------------------------------
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//
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// MGM_IF_ENTRY
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//
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// structure used in MGM_CREATION_ALERT_CALLBACK. In the process of
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// creating an MFE the routing protocol needs to enable/disable
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// multicast forwarding on each interface
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//
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typedef struct _MGM_IF_ENTRY {
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DWORD dwIfIndex;
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DWORD dwIfNextHopAddr;
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BOOL bIGMP;
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BOOL bIsEnabled;
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} MGM_IF_ENTRY, *PMGM_IF_ENTRY;
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//----------------------------------------------------------------------------
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//
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// Callbacks into routing protocols
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//
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//----------------------------------------------------------------------------
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//
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// call into a routing protocol to perform RPF check.
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//
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// Invoked in the context of MgmNewPacketReceived into protocol component
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// owning the incoming interface.
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//
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typedef DWORD
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(*PMGM_RPF_CALLBACK)(
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN OUT PDWORD pdwInIfIndex,
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IN OUT PDWORD pdwInIfNextHopAddr,
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IN OUT PDWORD pdwUpStreamNbr,
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IN DWORD dwHdrSize,
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IN PBYTE pbPacketHdr,
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IN OUT PBYTE pbRoute
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);
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//
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// call into a routing protocol to determine the subset of interfaces
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// (owned by the routing protocol) on which a multicast packet from a
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// "new" source should be forwarded.
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//
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// Invoked in the context of MgmNewPacketReceived into all
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// routing protocols that have outgoing interfaces for this source.
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//
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typedef
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DWORD (*PMGM_CREATION_ALERT_CALLBACK)(
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN DWORD dwInIfIndex,
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IN DWORD dwInIfNextHopAddr,
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IN DWORD dwIfCount,
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IN OUT PMGM_IF_ENTRY pmieOutIfList
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);
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//
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// call into routing protocol to notify protocol that an interface has
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// been deleted from the outgoing interface list of a group entry / MFE
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//
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// invoked in the context of MgmDeleteMembershipEntry()
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//
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typedef
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DWORD (*PMGM_PRUNE_ALERT_CALLBACK)(
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr,
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IN BOOL bMemberDelete,
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IN OUT PDWORD pdwTimeout
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);
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//
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// call into routing protocol to notify protocol that an interface has
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// been added to the outgoing interface list of a group entry / MFE
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//
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// invoked in the context of MgmAddMembershipEntry()
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//
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typedef
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DWORD (*PMGM_JOIN_ALERT_CALLBACK)(
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN BOOL bMemberUpdate
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);
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//
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// call into routing protocol to notify protocol that a packet
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// has been received from a (source, group) on a wrong interface
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//
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typedef
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DWORD (*PMGM_WRONG_IF_CALLBACK)(
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IN DWORD dwSourceAddr,
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IN DWORD dwGroupAddr,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr,
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IN DWORD dwHdrSize,
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IN PBYTE pbPacketHdr
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);
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//
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// call into routing protocol to notify protocol that IGMP needs to add
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// an interface to the outgoing interface list of a group entry / MFE
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//
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// invoked in the context of MgmLocalGroupJoin()
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//
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typedef DWORD
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(*PMGM_LOCAL_JOIN_CALLBACK) (
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr
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);
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//
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// call into routing protocol to notify protocol that IGMP needs to
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// delete an interface to the outgoing interface list of a group
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// entry / MFE
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//
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// invoked in the context of MgmLocalGroupJoin()
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//
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typedef DWORD
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(*PMGM_LOCAL_LEAVE_CALLBACK) (
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr
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);
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//
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// call into IGMP to notify it that a protocol is taking or
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// releasing ownership of an interface that has IGMP enabled on it.
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//
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// When this callback is invoked IGMP should stop adding/deleting
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// group memberships on the specified interface.
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//
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typedef DWORD
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(*PMGM_DISABLE_IGMP_CALLBACK) (
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr
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);
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//
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// call into IGMP to notify it that a protocol has finished taking
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// or releasing ownership of an interface.
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//
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// When this callback is invoked IGMP should add all its group memberships
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// on the interface.
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//
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typedef DWORD
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(*PMGM_ENABLE_IGMP_CALLBACK) (
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr
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);
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//----------------------------------------------------------------------------
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//
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// typedefs for MGM API interface
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//
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//----------------------------------------------------------------------------
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//
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// ROUTING_PROTOCOL_CONFIG
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//
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// routing protocol configuration that is passed to MGM at registration.
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//
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//
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// Callbacks into routing protocols
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//
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typedef struct _ROUTING_PROTOCOL_CONFIG {
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DWORD dwCallbackFlags;
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PMGM_RPF_CALLBACK pfnRpfCallback;
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PMGM_CREATION_ALERT_CALLBACK pfnCreationAlertCallback;
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PMGM_PRUNE_ALERT_CALLBACK pfnPruneAlertCallback;
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PMGM_JOIN_ALERT_CALLBACK pfnJoinAlertCallback;
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PMGM_WRONG_IF_CALLBACK pfnWrongIfCallback;
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//
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// callbacks into Routing protocols
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//
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PMGM_LOCAL_JOIN_CALLBACK pfnLocalJoinCallback;
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PMGM_LOCAL_LEAVE_CALLBACK pfnLocalLeaveCallback;
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//
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// callbacks into IGMP
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//
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PMGM_DISABLE_IGMP_CALLBACK pfnDisableIgmpCallback;
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PMGM_ENABLE_IGMP_CALLBACK pfnEnableIgmpCallback;
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} ROUTING_PROTOCOL_CONFIG, *PROUTING_PROTOCOL_CONFIG;
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//
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// MGM_ENUM_TYPES
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//
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// Enumeration types to be specified when the
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//
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typedef enum _MGM_ENUM_TYPES
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{
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ANY_SOURCE = 0, // enumerate group entries with
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// atleast one source
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ALL_SOURCES // enumerate all source entries
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// for a group entry
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} MGM_ENUM_TYPES;
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//
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// SOURCE_GROUP_ENTRY
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//
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// (S, G) entry that is returned by the group entry enumeration API.
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//
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typedef struct _SOURCE_GROUP_ENTRY {
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DWORD dwSourceAddr;
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DWORD dwSourceMask;
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DWORD dwGroupAddr;
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DWORD dwGroupMask;
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} SOURCE_GROUP_ENTRY, *PSOURCE_GROUP_ENTRY;
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//----------------------------------------------------------------------------
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//
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// Entry points into MGM.
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//
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//----------------------------------------------------------------------------
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//============================================================================
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// Routing protocol registration / de-registration API
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//============================================================================
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DWORD
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MgmRegisterMProtocol(
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IN PROUTING_PROTOCOL_CONFIG prpiInfo,
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IN DWORD dwProtocolId,
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IN DWORD dwComponentId,
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OUT HANDLE * phProtocol
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);
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DWORD
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MgmDeRegisterMProtocol(
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IN HANDLE hProtocol
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);
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//============================================================================
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// Interface ownership API
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//============================================================================
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DWORD
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MgmTakeInterfaceOwnership(
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IN HANDLE hProtocol,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr
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);
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DWORD
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MgmReleaseInterfaceOwnership(
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IN HANDLE hProtocol,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr
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);
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DWORD
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MgmGetProtocolOnInterface(
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopAddr,
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IN OUT PDWORD pdwIfProtocolId,
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IN OUT PDWORD pdwIfComponentId
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);
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//============================================================================
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// Group membership manipulation API. (addition / deletion )
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//============================================================================
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DWORD
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MgmAddGroupMembershipEntry(
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IN HANDLE hProtocol,
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopIPAddr
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);
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DWORD
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MgmDeleteGroupMembershipEntry(
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IN HANDLE hProtocol,
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IN DWORD dwSourceAddr,
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IN DWORD dwSourceMask,
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IN DWORD dwGroupAddr,
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IN DWORD dwGroupMask,
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IN DWORD dwIfIndex,
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IN DWORD dwIfNextHopIPAddr
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);
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//============================================================================
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//
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// Enumeration API
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//
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//============================================================================
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//----------------------------------------------------------------------------
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// MFE enumeration API
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//----------------------------------------------------------------------------
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DWORD
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MgmGetMfe(
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IN PMIB_IPMCAST_MFE pimm,
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IN OUT PDWORD pdwBufferSize,
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IN OUT PBYTE pbBuffer
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);
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DWORD
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MgmGetFirstMfe(
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IN OUT PDWORD pdwBufferSize,
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IN OUT PBYTE pbBuffer,
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IN OUT PDWORD pdwNumEntries
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);
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DWORD
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MgmGetNextMfe(
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IN PMIB_IPMCAST_MFE pimmStart,
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IN OUT PDWORD pdwBufferSize,
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IN OUT PBYTE pbBuffer,
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IN OUT PDWORD pdwNumEntries
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);
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DWORD
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MgmGetMfeStats(
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IN PMIB_IPMCAST_MFE pimm,
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IN OUT PDWORD pdwBufferSize,
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IN OUT PBYTE pbBuffer
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);
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DWORD
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MgmGetFirstMfeStats(
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IN OUT PDWORD pdwBufferSize,
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IN OUT PBYTE pbBuffer,
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IN OUT PDWORD pdwNumEntries
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);
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DWORD
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MgmGetNextMfeStats(
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IN PMIB_IPMCAST_MFE pimmStart,
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IN OUT PDWORD pdwBufferSize,
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IN OUT PBYTE pbBuffer,
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IN OUT PDWORD pdwNumEntries
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);
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//----------------------------------------------------------------------------
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// Group menbership entry enumeration API
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//----------------------------------------------------------------------------
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DWORD
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MgmGroupEnumerationStart(
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IN HANDLE hProtocol,
|
||
|
|
IN MGM_ENUM_TYPES metEnumType,
|
||
|
|
OUT HANDLE * phEnumHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
MgmGroupEnumerationGetNext(
|
||
|
|
IN HANDLE hEnum,
|
||
|
|
IN OUT PDWORD pdwBufferSize,
|
||
|
|
IN OUT PBYTE pbBuffer,
|
||
|
|
IN OUT PDWORD pdwNumEntries
|
||
|
|
);
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
MgmGroupEnumerationEnd(
|
||
|
|
IN HANDLE hEnum
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------
|
||
|
|
// Mgm MFE Update API.
|
||
|
|
//
|
||
|
|
//-----------------------------------------------------------------
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
MgmSetMfe(
|
||
|
|
IN HANDLE hProtocol,
|
||
|
|
IN PMIB_IPMCAST_MFE pmimm
|
||
|
|
);
|
||
|
|
|
||
|
|
|
||
|
|
#endif //_MGM_H_
|