Intel E810-CQDA2T - Channel 2 Configurations

Intel
®
Ethernet Network Adapter E810-CQDA2T
User Guide
22 722960-002
4.5 Channel 2 Configurations
1. SMA2 as 1PPS input:
# echo 1 2 > /sys/class/net/$ETH/device/ptp/ptp*/pins/SMA2
# dmesg
[27158.812512] ice 0000:03:00.0: SMA1 <current_state> U.FL1 <current_state>
[27158.812519] ice 0000:03:00.0: SMA2 RX
2. SMA2 as 1PPS output:
# echo 2 2 > /sys/class/net/$ETH/device/ptp/ptp*/pins/SMA2
# dmesg
[27158.812512] ice 0000:03:00.0: SMA1 <current_state> U.FL1 <current_state>
[27158.812519] ice 0000:03:00.0: SMA2 TX
3. U.FL2 as 1PPS input:
# echo 1 2 > /sys/class/net/$ETH/device/ptp/ptp*/pins/U.FL2
# dmesg
[27158.812512] ice 0000:03:00.0: SMA1 <current_state> U.FL1 <current_state>
[27158.812519] ice 0000:03:00.0: SMA2 <current_state> U.FL2 RX
4. SMA2 as 1PPS out and U.FL2 as 1PPS in:
# echo 2 2 > /sys/class/net/$ETH/device/ptp/ptp*/pins/SMA2
# echo 1 2 > /sys/class/net/$ETH/device/ptp/ptp*/pins/U.FL2
# dmesg
[27158.812512] ice 0000:03:00.0: SMA1 <current_state> U.FL1 <current_state>
[27158.812519] ice 0000:03:00.0: SMA2 TX + U.FL2 RX
5. Disable SMA2:
# echo 0 2 > /sys/class/net/$ETH/device/ptp/ptp*/pins/SMA2
# dmesg
[27158.812512] ice 0000:03:00.0: SMA1 <current_state> U.FL1 <current_state>
[27158.812512] ice 0000:03:00.0: SMA2 + U.FL2 disabled
Note: Users must first disable U.FL2, as it shares the same channel number.
6. Disable U.FL2:
# echo 0 2 > /sys/class/net/$ETH/device/ptp/ptp*/pins/U.FL2
# dmesg
[27158.812512] ice 0000:03:00.0: SMA1 <current_state> U.FL1 <current_state>
[27158.812512] ice 0000:03:00.0: SMA2 + U.FL2 disabled
Note: Users must first disable SMA2 as it shares the same channel number.
Note: To compensate for path delay in the network, users can implement phase delay in
Channel 1 using command (input pin 4 is SMA1. 7000 is equal to 7 ns):
# echo "in pin 4 phase_delay 7000" > /sys/class/net/$ETH/device/pin_cfg