Scheduling - 2.6 English

Semi-Ternary CAM Search v2.6 LogiCORE IP Product Guide (PG319)

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2.6 English

The Strict Priority Scheduler always selects a request from the Lookup Request FIFO first. A request can only be scheduled from the Management Request FIFO when the Lookup Request FIFO is empty.

When the Management Request FIFO becomes full, the AXI4-Slave stops accepting new Management Requests to prevent loss of Management Requests.

For every Lookup Request processed by the CAM database, a Lookup Response is generated. The Lookup Response is sent to the Lookup Response Interface. For a read Management Request, the response is sent to the Management Response Interface. Write Management Requests do not generate a Management Response. The Management Response Interface can only buffer one Management Response. The AXI4-Slave blocks the CPU read operation until the Management Response is available and sent on the AXI4-Lite interface.