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NdisBufferLength function

Note   NDIS 5. x has been deprecated and is superseded by NDIS 6. x. For new NDIS driver development, see Network Drivers Starting with Windows Vista. For information about porting NDIS 5. x drivers to NDIS 6. x, see Porting NDIS 5.x Drivers to NDIS 6.0.

NdisBufferLength returns the length, in bytes, of a given mapped buffer.

Syntax


ULONG NdisBufferLength(
  _In_  PNDIS_BUFFER Buffer
);

Parameters

Buffer [in]

Pointer to the buffer descriptor mapping the buffer.

Return value

NdisBufferLength returns the byte count of the mapped buffer.

Requirements

Version

Not supported for NDIS 6.0 drivers in Windows Vista. Use MmGetMdlByteCount instead. Supported for NDIS 5.1 drivers in Windows Vista and Windows XP.

Header

Ndis.h (include Ndis.h)

IRQL

<= DISPATCH_LEVEL.

See also

NdisAdjustBufferLength
NdisBufferVirtualAddress
NdisBufferVirtualAddressSafe
NdisQueryBuffer
NdisQueryBufferSafe
NdisQueryBufferOffset
NdisQueryBufferOffset

 

 

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