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The NdisQueryNetBufferPhysicalCount function returns the maximum number of physical breaks mapped by the buffer descriptors that are associated with the given NET_BUFFER structure.
Syntax
NDIS_EXPORTED_ROUTINE ULONG NdisQueryNetBufferPhysicalCount(
[in] NET_BUFFER *NetBuffer
);
Parameters
[in] NetBuffer
A pointer to a previously allocated NET_BUFFER structure.
Return value
NdisQueryNetBufferPhysicalCount returns a ULONG value containing a count of the maximum number of physical breaks, mapped by MDLs that are associated with the specified NET_BUFFER structure.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Supported in NDIS 6.0 and later. |
| Target Platform | Universal |
| Header | ndis/nblapi.h (include ndis.h) |
| Library | Ndis.lib |
| IRQL | <= DISPATCH_LEVEL |
| DDI compliance rules | Irql_NetBuffer_Function(ndis) |