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/*++
Copyright (c) 2000 Microsoft Corporation
Module Name:
macros.h
Abstract:
Some macros for NDISPROT.
Environment:
Kernel mode only.
Revision History:
--*/
#ifndef MIN
#define MIN(_a, _b) ((_a) < (_b)? (_a): (_b))
#endif
#if DBG
#define NPROT_REF_OPEN(_pOpen) ndisprotDbgRefOpen(_pOpen, __FILENUMBER, __LINE__)
#define NPROT_DEREF_OPEN(_pOpen) ndisprotDbgDerefOpen(_pOpen, __FILENUMBER, __LINE__)
#else
#define NPROT_REF_OPEN(_pOpen) ndisprotRefOpen(_pOpen)
#define NPROT_DEREF_OPEN(_pOpen) ndisprotDerefOpen(_pOpen)
#endif
//
// Spinlock macros
//
#if DBG_SPIN_LOCK
#define NPROT_INIT_LOCK(_pLock) \
ndisprotAllocateSpinLock(_pLock, __FILENUMBER, __LINE__)
#define NPROT_ACQUIRE_LOCK(_pLock, DispatchLevel) \
ndisprotAcquireSpinLock(_pLock, DispatchLevel,__FILENUMBER, __LINE__)
#define NPROT_RELEASE_LOCK(_pLock,DispatchLevel) \
ndisprotReleaseSpinLock(_pLock, DispatchLevel,__FILENUMBER, __LINE__)
#define NPROT_FREE_LOCK(_pLock) \
ndisprotFreeSpinLock(_pLock, __FILENUMBER, __LINE__)
#define NPROT_FREE_DBG_LOCK() \
ndisprotFreeDbgLock()
#else
#define NPROT_INIT_LOCK(_pLock) NdisAllocateSpinLock(_pLock)
#define NPROT_ACQUIRE_LOCK(_pLock, DispatchLevel) \
{ \
if (DispatchLevel == TRUE) \
{ \
NdisDprAcquireSpinLock(_pLock); \
} \
else \
{ \
NdisAcquireSpinLock(_pLock); \
} \
}
#define NPROT_RELEASE_LOCK(_pLock, DispatchLevel) \
{ \
if (DispatchLevel == TRUE) \
{ \
NdisDprReleaseSpinLock(_pLock); \
} \
else \
{ \
NdisReleaseSpinLock(_pLock); \
} \
}
#define NPROT_FREE_LOCK(_pLock) NdisFreeSpinLock(_pLock)
#define NPROT_FREE_DBG_LOCK()
#endif // DBG
//
// List manipulation.
//
#define NPROT_INIT_LIST_HEAD(_pList) InitializeListHead(_pList)
#define NPROT_IS_LIST_EMPTY(_pList) IsListEmpty(_pList)
#define NPROT_INSERT_HEAD_LIST(_pList, _pEnt) InsertHeadList(_pList, _pEnt)
#define NPROT_INSERT_TAIL_LIST(_pList, _pEnt) InsertTailList(_pList, _pEnt)
#define NPROT_REMOVE_ENTRY_LIST(_pEnt) RemoveEntryList(_pEnt)
#define NPROT_REMOVE_HEAD_LIST(_pList) RemoveHeadList(_pList)
#define NPROT_RCV_NBL_TO_LIST_ENTRY(_pNbl) \
(&((PNPROT_RECV_NBL_RSVD)(NET_BUFFER_LIST_PROTOCOL_RESERVED(_pNbl)))->Link)
#define NPROT_RCV_NBL_FROM_LIST_ENTRY(_pEnt) \
(((PNPROT_RECV_NBL_RSVD)(CONTAINING_RECORD(_pEnt, NPROT_RECV_NBL_RSVD, Link)))->pNetBufferList)
//
// Send net buffer list context
//
#define NPROT_IRP_FROM_SEND_NBL(_pNbl) \
(((PNPROT_SEND_NETBUFLIST_RSVD)((_pNbl)->Context->ContextData + (_pNbl)->Context->Offset))->pIrp)
#define NPROT_SEND_NBL_RSVD(_pNbl) \
((PNPROT_SEND_NETBUFLIST_RSVD)((_pNbl)->Context->ContextData + (_pNbl)->Context->Offset))
#define NPROT_REF_SEND_NBL(_pNbl) \
(VOID)NdisInterlockedIncrement((PLONG)&NPROT_SEND_NBL_RSVD(_pNbl)->RefCount)
#define NPROT_DEREF_SEND_NBL(_pNbl, DispatchLevel) \
{ \
if (NdisInterlockedDecrement((PLONG)&NPROT_SEND_NBL_RSVD(_pNbl)->RefCount) == 0) \
{ \
NdisFreeNetBufferList(_pNbl); \
} \
}
//
// Cancel IDs are generated by using the partial cancel ID we got from
// NDIS ORed with a monotonically increasing locally generated ID.
//
#define NPROT_CANCEL_ID_LOW_MASK (((ULONG_PTR)-1) >> 8)
#define NPROT_GET_NEXT_CANCEL_ID() \
(PVOID)(Globals.PartialCancelId | \
((NdisInterlockedIncrement((PLONG)&Globals.LocalCancelId)) & NPROT_CANCEL_ID_LOW_MASK))
//
// Memory allocation
//
#if DBG
#define NPROT_ALLOC_MEM(_pVar, _Size) \
(_pVar) = ndisprotAuditAllocMem( \
(PVOID)&(_pVar), \
_Size, \
__FILENUMBER, \
__LINE__);
#define NPROT_FREE_MEM(_pMem) \
ndisprotAuditFreeMem(_pMem);
#else
#define NPROT_ALLOC_MEM(_pVar, _Size) \
NdisAllocateMemoryWithTag((PVOID *)(&_pVar), (_Size), NPROT_ALLOC_TAG)
#define NPROT_FREE_MEM(_pMem) \
NdisFreeMemory(_pMem, 0, 0)
#endif // DBG
#define NPROT_ZERO_MEM(_pMem, _ByteCount) \
NdisZeroMemory(_pMem, _ByteCount)
#define NPROT_COPY_MEM(_pDst, _pSrc, _ByteCount) \
NdisMoveMemory(_pDst, _pSrc, _ByteCount)
#define NPROT_MEM_CMP(_p1, _p2, _ByteCount) \
NdisEqualMemory(_p1, _p2, _ByteCount)
#define NPROT_SET_MEM(_pMem, _ByteVal, _ByteCount) \
NdisFillMemory(_pMem, _ByteCount, _ByteVal)
//
// Events.
//
#define NPROT_INIT_EVENT(_pEvent) NdisInitializeEvent(_pEvent)
#define NPROT_SIGNAL_EVENT(_pEvent) NdisSetEvent(_pEvent)
#define NPROT_WAIT_EVENT(_pEvent, _MsToWait) NdisWaitEvent(_pEvent, _MsToWait)
//
// Flags
//
#define NPROT_SET_FLAGS(_FlagsVar, _Mask, _BitsToSet) \
(_FlagsVar) = ((_FlagsVar) & ~(_Mask)) | (_BitsToSet)
#define NPROT_TEST_FLAGS(_FlagsVar, _Mask, _BitsToCheck) \
(((_FlagsVar) & (_Mask)) == (_BitsToCheck))
#define NDIS_STATUS_TO_NT_STATUS(_NdisStatus, _pNtStatus) \
{ \
/* \
* The following NDIS status codes map directly to NT status codes. \
*/ \
if (((NDIS_STATUS_SUCCESS == (_NdisStatus)) || \
(NDIS_STATUS_PENDING == (_NdisStatus)) || \
(NDIS_STATUS_BUFFER_OVERFLOW == (_NdisStatus)) || \
(NDIS_STATUS_FAILURE == (_NdisStatus)) || \
(NDIS_STATUS_RESOURCES == (_NdisStatus)) || \
(NDIS_STATUS_NOT_SUPPORTED == (_NdisStatus)))) \
{ \
*(_pNtStatus) = (NTSTATUS)(_NdisStatus); \
} \
else if (NDIS_STATUS_BUFFER_TOO_SHORT == (_NdisStatus)) \
{ \
/* \
* The above NDIS status codes require a little special casing. \
*/ \
*(_pNtStatus) = STATUS_BUFFER_TOO_SMALL; \
} \
else if (NDIS_STATUS_INVALID_LENGTH == (_NdisStatus)) \
{ \
*(_pNtStatus) = STATUS_INVALID_BUFFER_SIZE; \
} \
else if (NDIS_STATUS_INVALID_DATA == (_NdisStatus)) \
{ \
*(_pNtStatus) = STATUS_INVALID_PARAMETER; \
} \
else if (NDIS_STATUS_ADAPTER_NOT_FOUND == (_NdisStatus)) \
{ \
*(_pNtStatus) = STATUS_NO_MORE_ENTRIES; \
} \
else if (NDIS_STATUS_ADAPTER_NOT_READY == (_NdisStatus)) \
{ \
*(_pNtStatus) = STATUS_DEVICE_NOT_READY; \
} \
else \
{ \
*(_pNtStatus) = STATUS_UNSUCCESSFUL; \
} \
}
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