Queue Allocate/Data Block Processor

• Accepts QA and DB messages.

• Queue allocate (QA) message processing:

  • Sets the Transmit Pending Array (TPA) bit corresponding to the source port ID (SPID) and priority.

• Data block (DB) message processing:

  • Notifies the Queue Fetch Scheduler, passes EOF status.
  • If EOF=1, clears the corresponding Transmit Pending Array bit.
  • Passes the DB through to the TxCTRL Framer Reassembly Bugger Interface for statistics gathering.

• Performs protocol error checking.

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