203 lines
7.8 KiB
C
203 lines
7.8 KiB
C
/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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macros.h
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Abstract:
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Some macros for TUNMP.
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Environment:
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Kernel mode only.
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Revision History:
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alid 10/22/2001 copied from macros.h for ndisuio
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arvindm 4/5/2000 Created
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--*/
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#ifndef MIN
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#define MIN(_a, _b) ((_a) < (_b)? (_a): (_b))
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#endif
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#if DBG
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#define TUN_REF_ADAPTER(_pAdapter) TunMpDbgRefAdapter(_pAdapter, __FILENUMBER, __LINE__)
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#define TUN_DEREF_ADAPTER(_pAdapter) TunMpDbgDerefAdapter(_pAdapter, __FILENUMBER, __LINE__)
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#else
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#define TUN_REF_ADAPTER(_pAdapter) TunMpRefAdapter(_pAdapter)
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#define TUN_DEREF_ADAPTER(_pAdapter) TunMpDerefAdapter(_pAdapter)
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#endif
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//
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// Spinlock macros
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//
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#if DBG_SPIN_LOCK
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#define TUN_INIT_LOCK(_pLock) \
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TunAllocateSpinLock(_pLock, __FILENUMBER, __LINE__)
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#define TUN_ACQUIRE_LOCK(_pLock) \
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TunAcquireSpinLock(_pLock, __FILENUMBER, __LINE__)
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#define TUN_RELEASE_LOCK(_pLock) \
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TunReleaseSpinLock(_pLock, __FILENUMBER, __LINE__)
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#else
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#define TUN_INIT_LOCK(_pLock) NdisAllocateSpinLock(_pLock)
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#define TUN_ACQUIRE_LOCK(_pLock) NdisAcquireSpinLock(_pLock)
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#define TUN_RELEASE_LOCK(_pLock) NdisReleaseSpinLock(_pLock)
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#endif // DBG
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//
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// List manipulation.
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//
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#define TUN_INIT_LIST_HEAD(_pList) InitializeListHead(_pList)
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#define TUN_IS_LIST_EMPTY(_pList) IsListEmpty(_pList)
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#define TUN_INSERT_HEAD_LIST(_pList, _pEnt) InsertHeadList(_pList, _pEnt)
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#define TUN_INSERT_TAIL_LIST(_pList, _pEnt) InsertTailList(_pList, _pEnt)
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#define TUN_REMOVE_ENTRY_LIST(_pEnt) RemoveEntryList(_pEnt)
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//
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// Receive packet queueing.
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//
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#define TUN_LIST_ENTRY_TO_RCV_PKT(_pEnt) \
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CONTAINING_RECORD(CONTAINING_RECORD(_pEnt, TUN_RECV_PACKET_RSVD, Link), NDIS_PACKET, MiniportReserved)
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#define TUN_RCV_PKT_TO_LIST_ENTRY(_pPkt) \
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(&((PTUN_RECV_PACKET_RSVD)&((_pPkt)->MiniportReserved[0]))->Link)
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//
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// Send packet context.
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//
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#define TUN_IRP_FROM_SEND_PKT(_pPkt) \
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(((PTUN_SEND_PACKET_RSVD)&((_pPkt)->MiniportReserved[0]))->pIrp)
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#define TUN_SEND_PKT_RSVD(_pPkt) \
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((PTUN_SEND_PACKET_RSVD)&((_pPkt)->MiniportReserved[0]))
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#define TUN_REF_SEND_PKT(_pPkt) \
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(VOID)NdisInterlockedIncrement(&TUN_SEND_PKT_RSVD(_pPkt)->RefCount)
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#define TUN_DEREF_SEND_PKT(_pPkt) \
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{ \
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if (NdisInterlockedDecrement(&TUN_SEND_PKT_RSVD(_pPkt)->RefCount) == 0) \
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{ \
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NdisFreePacket(_pPkt); \
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} \
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}
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//
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// Memory allocation
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//
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#if DBG
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#define TUN_ALLOC_MEM(_pVar, _Size) \
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(_pVar) = TunAuditAllocMem( \
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(PVOID)&(_pVar), \
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_Size, \
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__FILENUMBER, \
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__LINE__);
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#define TUN_FREE_MEM(_pMem) \
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TunAuditFreeMem(_pMem);
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#else
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#define TUN_ALLOC_MEM(_pVar, _Size) \
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NdisAllocateMemoryWithTag((PVOID *)(&_pVar), (_Size), TUN_ALLOC_TAG)
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#define TUN_FREE_MEM(_pMem) \
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NdisFreeMemory(_pMem, 0, 0)
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#endif // DBG
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#define TUN_ZERO_MEM(_pMem, _ByteCount) \
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NdisZeroMemory(_pMem, _ByteCount)
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#define TUN_COPY_MEM(_pDst, _pSrc, _ByteCount) \
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NdisMoveMemory(_pDst, _pSrc, _ByteCount)
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#define TUN_MEM_CMP(_p1, _p2, _ByteCount) \
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NdisEqualMemory(_p1, _p2, _ByteCount)
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#define TUN_SET_MEM(_pMem, _ByteVal, _ByteCount) \
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NdisFillMemory(_pMem, _ByteCount, _ByteVal)
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//
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// Events.
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//
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#define TUN_INIT_EVENT(_pEvent) NdisInitializeEvent(_pEvent)
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#define TUN_SIGNAL_EVENT(_pEvent) NdisSetEvent(_pEvent)
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#define TUN_WAIT_EVENT(_pEvent, _MsToWait) NdisWaitEvent(_pEvent, _MsToWait)
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//
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// Block the calling thread for the given duration:
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//
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#define TUN_SLEEP(_Seconds) \
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{ \
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NDIS_EVENT _SleepEvent; \
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NdisInitializeEvent(&_SleepEvent); \
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(VOID)NdisWaitEvent(&_SleepEvent, _Seconds*1000); \
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}
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#define NDIS_STATUS_TO_NT_STATUS(_NdisStatus, _pNtStatus) \
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{ \
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/* \
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* The following NDIS status codes map directly to NT status codes. \
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*/ \
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if (((NDIS_STATUS_SUCCESS == (_NdisStatus)) || \
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(NDIS_STATUS_PENDING == (_NdisStatus)) || \
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(NDIS_STATUS_BUFFER_OVERFLOW == (_NdisStatus)) || \
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(NDIS_STATUS_FAILURE == (_NdisStatus)) || \
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(NDIS_STATUS_RESOURCES == (_NdisStatus)) || \
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(NDIS_STATUS_NOT_SUPPORTED == (_NdisStatus)))) \
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{ \
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*(_pNtStatus) = (NTSTATUS)(_NdisStatus); \
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} \
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else if (NDIS_STATUS_BUFFER_TOO_SHORT == (_NdisStatus)) \
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{ \
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/* \
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* The above NDIS status codes require a little special casing. \
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*/ \
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*(_pNtStatus) = STATUS_BUFFER_TOO_SMALL; \
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} \
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else if (NDIS_STATUS_INVALID_LENGTH == (_NdisStatus)) \
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{ \
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*(_pNtStatus) = STATUS_INVALID_BUFFER_SIZE; \
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} \
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else if (NDIS_STATUS_INVALID_DATA == (_NdisStatus)) \
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{ \
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*(_pNtStatus) = STATUS_INVALID_PARAMETER; \
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} \
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else if (NDIS_STATUS_ADAPTER_NOT_FOUND == (_NdisStatus)) \
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{ \
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*(_pNtStatus) = STATUS_NO_MORE_ENTRIES; \
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} \
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else if (NDIS_STATUS_ADAPTER_NOT_READY == (_NdisStatus)) \
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{ \
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*(_pNtStatus) = STATUS_DEVICE_NOT_READY; \
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} \
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else \
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{ \
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*(_pNtStatus) = STATUS_UNSUCCESSFUL; \
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} \
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}
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