After channel_up is asserted, the Aurora 8B/10B core is ready to transfer data. Data errors can be monitored at the err_count_r signal in VIO. The tx_d and rx_d signals are connected to monitor the data transfer. soft_err, hard_err and frame_err are also connected to VIO. A FIFO is used by the transceiver for clock correction and channel bonding. Overflow and underflow of this FIFO results in a hard_err (HARD_ERR). Tune the CLK_COR_MIN_LAT and CLK_COR_MAX_LAT attributes of the transceiver to correct the FIFO overflow/underflow errors.
Note: The ENABLE_SOFT_ERR_MONITOR parameter is available in the err_detect module under the src directory to control the leaky bucket algorithm. This parameter can be to set to 0 to disable the leaky bucket algorithm for debug purposes.