The Integrated Interlaken IP core Receiver automatically extracts the flow control information received over the link and outputs the information. You can then interpret the flow control status and take the appropriate action if required.
By definition, XON is represented by 1, and XOFF is represented by 0 for both the
Transmitter and the Receiver. All signals are synchronous with the rising-edge of
LBUS_CLK and a detailed description of each signal follows.