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

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

> -----Original Message-----
> From: Miroslav Lichvar <mli...@re...>
> Sent: Thursday, October 20, 2022 7:59 AM
> To: Cliff Spradlin <csp...@go...>
> Cc: lin...@li...
> Subject: Re: [Linuxptp-users] Intel X722 maybe incompatible with IEEE1588 2.1
> 
> On Thu, Oct 20, 2022 at 12:27:06AM -0700, Cliff Spradlin via Linuxptp-users
> wrote:
> > 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'm wondering if this could be fixed with a firmware update or if it's
> in the silicon. I vaguely remember some Intel NIC had a firmware
> update which added a timestamping filter.
> 
> --
> Miroslav Lichvar
> 

I am going to try and file a bug about this, thanks.

- Jake