191 lines
4.1 KiB
C
191 lines
4.1 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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D:\nt\private\ntos\tdi\rawwan\core\rwannt.h
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Abstract:
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NT-specific definitions for Raw WAN.
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Revision History:
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Who When What
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-------- -------- ----------------------------------------------
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arvindm 04-17-97 Created
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Notes:
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--*/
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#ifndef __TDI_RWANNT__H
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#define __TDI_RWANNT__H
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#ifdef NT
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#if DBG_LOG_EP
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#define MAX_EP_LOG_ENTRIES 32
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typedef struct _RWAND_EP_LOG_ENTRY
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{
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ULONG LineNumber;
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ULONG Event;
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PVOID Context1;
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PVOID Context2;
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} RWAND_EP_LOG_ENTRY, *PRWAND_EP_LOG_ENTRY;
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#define RWAN_EP_DBGLOG_SET_SIGNATURE(_pEp) \
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(_pEp)->EpLogSig = 'GOLE'
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#define RWAN_EP_DBGLOG_ENTRY(_pEp, _Event, _Ctx1, _Ctx2) \
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{ \
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PRWAND_EP_LOG_ENTRY pLogEnt; \
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ULONG Index; \
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NdisAcquireSpinLock(&RWanDbgLogLock); \
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(_pEp)->EpLogCount++; \
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Index = (_pEp)->EpLogIndex; \
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pLogEnt = &((_pEp)->EpLog[Index]); \
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pLogEnt->LineNumber = __LINE__; \
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pLogEnt->Event = _Event; \
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pLogEnt->Context1 = (PVOID)_Ctx1; \
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pLogEnt->Context2 = (PVOID)_Ctx2; \
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(_pEp)->EpLogIndex++; \
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if ((_pEp)->EpLogIndex == MAX_EP_LOG_ENTRIES) \
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{ \
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(_pEp)->EpLogIndex = 0; \
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} \
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NdisReleaseSpinLock(&RWanDbgLogLock); \
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}
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#else
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#define RWAN_EP_DBGLOG_SET_SIGNATURE(_pEp)
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#define RWAN_EP_DBGLOG_ENTRY(_pEp, _Event, _Ctx1, _Ctx2)
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#endif
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//
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// ***** Endpoint *****
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//
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// One of these is allocated for each MJ_CREATE successfully processed.
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// A pointer to this structure is returned in FileObject->FsContext.
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//
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// The object it represents is one of these:
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// Address object, Connection object, Control channel.
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//
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// Reference Count: RefCount is incremented for each of the following:
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// - for the duration an IRP pertaining to this object is pending
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//
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typedef struct RWAN_ENDPOINT
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{
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#if DBG
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ULONG nep_sig;
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#endif
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#ifdef REFDBG
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ULONG SendIncrRefs;
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ULONG RecvIncrRefs;
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ULONG CloseComplDecrRefs;
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ULONG DataReqComplDecrRefs;
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ULONG CancelComplDecrRefs;
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ULONG CancelIncrRefs;
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ULONG NonDataIncrRefs;
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#endif
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#if DBG
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PVOID pConnObject; // Transport's context
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#endif
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union
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{
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HANDLE AddressHandle; // Address Object
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CONNECTION_CONTEXT ConnectionContext; // Connection Object
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HANDLE ControlChannel; // Control channel
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} Handle;
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struct _RWAN_TDI_PROTOCOL * pProtocol;
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ULONG RefCount;
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BOOLEAN bCancelIrps; // are we cleaning up?
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KEVENT CleanupEvent; // synchronization
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#if DBG_LOG_EP
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ULONG EpLogSig;
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ULONG EpLogCount;
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ULONG EpLogIndex;
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struct _RWAND_EP_LOG_ENTRY EpLog[MAX_EP_LOG_ENTRIES];
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#endif
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} RWAN_ENDPOINT, *PRWAN_ENDPOINT;
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#if DBG
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#define nep_signature 'NlEp'
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#endif // DBG
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#define NULL_PRWAN_ENDPOINT ((PRWAN_ENDPOINT)NULL)
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//
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// ***** Device Object *****
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//
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// We create one NT device object for each TDI protocol that we
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// expose i.e. each Winsock triple <Family, Proto, Type>.
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//
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typedef struct _RWAN_DEVICE_OBJECT
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{
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#if DBG
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ULONG ndo_sig;
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#endif // DBG
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PDEVICE_OBJECT pDeviceObject; // NT device object
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struct _RWAN_TDI_PROTOCOL * pProtocol; // Info about the protocol
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LIST_ENTRY DeviceObjectLink; // in list of device objs
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} RWAN_DEVICE_OBJECT, *PRWAN_DEVICE_OBJECT;
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#if DBG
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#define ndo_signature 'NlDo'
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#endif // DBG
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#ifdef REFDBG
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#define RWAN_INCR_EP_REF_CNT(_pEp, _Type) \
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{ \
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(_pEp)->RefCount++; \
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(_pEp)->_Type##Refs++; \
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}
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#define RWAN_DECR_EP_REF_CNT(_pEp, _Type) \
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{ \
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(_pEp)->RefCount--; \
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(_pEp)->_Type##Refs--; \
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}
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#else
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#define RWAN_INCR_EP_REF_CNT(_pEp, _Type) \
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(_pEp)->RefCount++;
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#define RWAN_DECR_EP_REF_CNT(_pEp, _Type) \
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(_pEp)->RefCount--;
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#endif // REFDBG
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/*++
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LARGE_INTEGER
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RWAN_CONVERT_100NS_TO_MS(
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IN LARGE_INTEGER HnsTime,
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OUT PULONG pRemainder
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)
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--*/
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#define RWAN_CONVERT_100NS_TO_MS(_HnsTime, _pRemainder) \
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RtlExtendedLargeIntegerDivide(_HnsTime, 10000, _pRemainder);
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#endif // NT
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#endif // __TDI_RWANNT__H
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