Due to a problem in the Intel® Quartus® Prime Pro Edition version 19.3, 10G/25G PTP variants of the E-tile Hard IP for Ethernet Intel® FPGA IP core, you may see the RX PTP Ready o_sl_rx_ptp_ready signal is not asserted when sending Ethernet packets after the reset and calibration sequence completes.
A patch is available to fix this problem in the Intel® Quartus® Prime Pro Edition software version 19.3. Download and install the Patch from the appropriate link below.
Download patch Intel® Quartus® Prime 19.3 Patch 0.02 for Windows(.exe)
Download patch Intel® Quartus® Prime 19.3 Patch 0.02 for Linux(.run)
Download the Readme for Intel® Quartus® Prime19.3 Patch 0.02(.txt)
This problem has been fixed starting in the Intel® Quartus® Prime Pro Edition software version 19.4.