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NdisQueryPacketLength -- Based in an obvious way on a similar macro.

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svn path=/trunk/; revision=9539
This commit is contained in:
Art Yerkes 2004-05-29 10:45:26 +00:00
parent 05769811b4
commit 0f0b33c44c
1 changed files with 42 additions and 0 deletions
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42
reactos/w32api/include/ddk/ndis.h
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@ -2026,6 +2026,48 @@ NdisFreeBuffer(
} \
}
/*
* VOID
* NdisQueryPacketLength(
* IN PNDIS_PACKET Packet,
* OUT PUINT PhysicalBufferCount OPTIONAL,
* OUT PUINT BufferCount OPTIONAL,
* OUT PNDIS_BUFFER *FirstBuffer OPTIONAL,
* OUT PUINT TotalPacketLength OPTIONAL);
*/
#define NdisQueryPacketLength(Packet, \
TotalPacketLength) \
{ \
if ((TotalPacketLength)) \
{ \
if (!(Packet)->Private.ValidCounts) { \
UINT _Offset; \
UINT _PacketLength; \
PNDIS_BUFFER _NdisBuffer; \
UINT _PhysicalBufferCount = 0; \
UINT _TotalPacketLength = 0; \
UINT _Count = 0; \
\
for (_NdisBuffer = (Packet)->Private.Head; \
_NdisBuffer != (PNDIS_BUFFER)NULL; \
_NdisBuffer = _NdisBuffer->Next) \
{ \
_PhysicalBufferCount += NDIS_BUFFER_TO_SPAN_PAGES(_NdisBuffer); \
NdisQueryBufferOffset(_NdisBuffer, &_Offset, &_PacketLength); \
_TotalPacketLength += _PacketLength; \
_Count++; \
} \
(Packet)->Private.PhysicalCount = _PhysicalBufferCount; \
(Packet)->Private.TotalLength = _TotalPacketLength; \
(Packet)->Private.Count = _Count; \
(Packet)->Private.ValidCounts = TRUE; \
} \
\
if (TotalPacketLength) \
*((PUINT)TotalPacketLength) = (Packet)->Private.TotalLength; \
} \
}
/*
* VOID