windows-nt/Source/XPSP1/NT/net/tcpip/tpipv6/tcpip6/inc/mld.h
2020-09-26 16:20:57 +08:00

77 lines
1.8 KiB
C

// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil -*- (for GNU Emacs)
//
// Copyright (c) 1998-2000 Microsoft Corporation
//
// This file is part of the Microsoft Research IPv6 Network Protocol Stack.
// You should have received a copy of the Microsoft End-User License Agreement
// for this software along with this release; see the file "license.txt".
// If not, please see http://www.research.microsoft.com/msripv6/license.htm,
// or write to Microsoft Research, One Microsoft Way, Redmond, WA 98052-6399.
//
// Abstract:
//
// Internet Group Message Protocol for Internet Protocol Version 6.
// See RFC 1885 and RFC 2236 for details.
//
#ifndef MLD_INCLUDED
#define MLD_INCLUDED 1
//
// MLD values defined by the spec.
//
#define MLD_ROUTER_ALERT_OPTION_TYPE 0
//
// Combined structure used for inserting router alert into MLD messages.
//
typedef struct MLDRouterAlertOption {
IPv6OptionsHeader Header;
IPv6RouterAlertOption Option;
OptionHeader Pad;
// No pad data is needed since with the PadN option the sizeof
// this struct = 8.
} MLDRouterAlertOption;
//
// MLD external functions.
//
extern KSPIN_LOCK QueryListLock;
extern MulticastAddressEntry *QueryList;
extern void
AddToQueryList(MulticastAddressEntry *MAE);
extern void
RemoveFromQueryList(MulticastAddressEntry *MAE);
extern void
MLDQueryReceive(IPv6Packet *Packet);
extern void
MLDReportReceive(IPv6Packet *Packet);
extern void
MLDInit(void);
extern void
MLDTimeout(void);
extern IP_STATUS
MLDAddMCastAddr(uint *pInterfaceNo, const IPv6Addr *Addr);
extern IP_STATUS
MLDDropMCastAddr(uint InterfaceNo, const IPv6Addr *Addr);
__inline int
IsMLDReportable(MulticastAddressEntry *MAE)
{
return ((MAE->Scope >= ADE_LINK_LOCAL) &&
!IP6_ADDR_EQUAL(&MAE->Address, &AllNodesOnLinkAddr));
}
#endif // MLD_INCLUDED