e810xxvda4tg1 configuration for 1PPS and 10MHz SMA inputs

[Quantum-Aisle-LLC]

E810XXVDA4TG1

Version: M40206-005

ice (Linux): 1.17.4

NVM version: 4.80

From lspci:

Capabilities: [e0] Vital Product Data
Product Name: Intel(R) Ethernet Network Adapter E810-XXVDA4T\x00\x00
Read-only fields:
[V1] Vendor specific: Intel(R) Ethernet Network Adapter E810-XXVDA4T
[PN] Part number: M56952-005
[SN] Serial number: 507C6F843534
[V2] Vendor specific: 1625
[RV] Reserved: checksum good, 1 byte(s) reserved

I am using external GPSDO with 1 PPS and 10MHz outputs.

I would like to connect them to the SMA inputs.

646265_Intel® Ethernet Network Adapter E810-XXVDA4T User Guide_Rev1_7 describes using 1 PPS but is vague on using 1 PPS and 10MHz together.

Is there a recommended configuration?

I currently have the following:

-> 1 PPS from GPSDO going to SMA1

export ETH=enp1s0f0np0

# SMA1 as input:

echo 1 > /sys/class/net/$ETH/device/SMA1

cat /sys/class/net/$ETH/device/pin_cfg
in
| pin| enabled| state| freq| phase_delay| eSync/Ref-sync| DPLL0 prio| DPLL1 prio|
| 0| 1| invalid| 1| 0| 0| 255| 5|
| 1| 1| invalid| 1| 0| 2| 255| 4|
| 2| 1| invalid| 1953125| 0| 0| 8| 8|
| 3| 1| invalid| 1953125| 0| 0| 9| 9|
| 4| 1| valid| 1| 7000| 0| 3| 3|
| 5| 1| invalid| 1| 7000| 2| 2| 2|
| 6| 1| invalid| 1| 0| 0| 0| 0|
out
| pin| enabled| dpll| freq| esync|
| 0| 1| 1| 1| 0|
| 1| 1| 1| 1| 0|
| 2| 1| 0| 156250000| 0|
| 3| 1| 0| 156250000| 0|
| 4| 1| 1| 1| 0|
| 5| 1| 1| 1| 0|

Note: I ran the suggested "setup script for version 4.80 and later" 

Can I just add the following:

# SMA 2 as input:

echo 1 > /sys/class/net/$ETH/device/SMA2

# Set SMA2 input frequency to 10MHz

echo "in pin 5 freq 10000000" > /sys/class/net/$ETH/device/pin_cfg

[Sazirah]

Hi Quantum-Aisle-LLC,

Thank you for posting in Intel Community Forum.

Based on the Intel documentation for the E810-XXVDA4T adapter (NVM 4.80, ICE driver 1.17.4), this adapter supports simultaneous use of SMA1 and SMA2 for external timing inputs, including 1PPS and 10MHz signals. You may refer link below for your reference:

Intel® Ethernet Network Adapter E810-XXVDA4T User Guide:

https://www.intel.com/content/www/us/en/content-details/646265/intel-ethernet-network-adapter-e810-xxvda4t-user-guide.html?DocID=646265

You may also refer to product datasheet:

https://www.intel.com/content/www/us/en/support/articles/000093196/ethernet-products.html

Also, we recommend you to refer to Intel Github:https://github.com/intel/ethernet-linux-ice

If you still require further information regarding this, you can open Intel Premier Support (IPS) case for further support (https://premiersupport.intel.com/).

Hope this clarifies.

Regards,

Sazzy_Intel

Intel Customer Support Technician

[Sazirah]

Hi Quantum-Aisle-LLC,

Good day,

This is related to your enquiries above, I would like to check if the issue has resolved?

If you have any questions or clarifications, please let me know.

Best Regards,

Sazzy_Intel

Intel Customer Support Technician

[Sazirah]

Hi Quantum-Aisle-LLC,

Good day

This is regarding your enquiries above. Since we have not seen an update, if you need any additional information, please submit a new question as this thread will no longer be monitored.

Best Regards,

Sazzy_Intel

Intel Customer Support Technician