Re: [Linuxptp-users] Intel X722 maybe incompatible with IEEE1588 2.1

[Keller, J. E <jac...@in...>]

> -----Original Message-----
> From: Cliff Spradlin via Linuxptp-users <lin...@li...>
> Sent: Thursday, October 20, 2022 12:27 AM
> To: lin...@li...
> Subject: [Linuxptp-users] Intel X722 maybe incompatible with IEEE1588 2.1
> 
> I'm looking into it further, but it looks like the X722 (which uses
> the i40e driver) does not record RX timestamps on layer 2 1588 event
> packets where the version is set to 2.1 rather than 2.
> 

I am going to try and file a ticket for this. Any other reproduction information you have would be appreciated.

Layer 2, with version 2.1. Do you happen to know what existing firmware version your X722 has?

Thanks,
Jake

> I found this issue previously reported last year
> (https://www.mail-archive.com/linuxptp-
> us...@li.../msg02414.html).
> I believe this is the root cause. An easy workaround is to manually
> patch linuxptp to set version 2.0.
> 
> -cliff
> 
> 
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