AddPacket to a TX stream.
This function is called to put together scattered fragments of a packet and add it to a TX stream
This function has no mutex protection and cannot be used by multiple threads on the same stream, hStream.
Network TX stream handle
Port to add packet into host buffer
The scattered list of packet fragments
The number of scattered fragments in the list
Time in milliseconds to wait for a packet buffer - a timeout of -1 will wait indefinitely for a packet buffer
Error - use NT_ExplainError for an error description
Referenced by main().