RtndExtractTxBuffer

RtndExtractTxBuffer extracts a consumed buffer from the specified Transmit Queue.

Syntax

BOOL RtndExtractTxBuffer(
  [in]            ULONG_PTR RtndInterfaceId,
  [in]            ULONG TxQueueIndex,
  [in]            VOID *pTxQueueAppContext,
  [out]           RTND_BUFFER_HEADER **pBufferHeader,
  [in, ignored]   ULONG Flags
);

Parameters

[in] RtndInterfaceId

The number or pointer used to identify the interface. This value is returned by RtndManageInterface.

[in] TxQueueIndex

The index of the Transmit Queue.

[in] pTxQueueAppContext

The address of the context returned when the calling process called RtndAttachTxQueue.

[out] pBufferHeader

The address of the extracted buffer header.

[in, ignored] Flags

Reserved for future use. The value is set to zero by the NL2. Drivers must ignore this parameter.

Return Value

If the function succeeds, it returns TRUE. If the function fails, it returns FALSE. To get extended error information, call GetLastError.

Common error codes:

Note: Custom drivers may return other error codes not listed above.

Remarks

This function may be called from any process.

Characteristics

Requirements

See Also:

• RTND_BUFFER_HEADER
• RtndAttachTxQueue
• RtndManageInterface