Re: [Linuxptp-users] [LinuxPTP] Seeing SYNC without timestamp, DELAY_REQ without timestamp

[Karthick G. <kar...@pl...>]

Issue is resolved when nic firmware is upgraded to 8.30 version.

- Karthick

> On Jun 14, 2021, at 10:47 PM, Keller, Jacob E <jac...@in...> wrote:
> 
> 
> 
>> -----Original Message-----
>> From: Richard Cochran <ric...@gm... <mailto:ric...@gm...>>
>> Sent: Sunday, June 13, 2021 11:39 PM
>> To: Karthick Gunasekaran <kar...@pl... <mailto:kar...@pl...>>
>> Cc: lin...@li... <mailto:lin...@li...>
>> Subject: Re: [Linuxptp-users] [LinuxPTP] Seeing SYNC without timestamp,
>> DELAY_REQ without timestamp
>> 
>> On Mon, Jun 14, 2021 at 11:17:18AM +0530, Karthick Gunasekaran via Linuxptp-
>> users wrote:
>>> When trying ptp4l with hardware timestamp on a hw timestamp supported
>> interface, the sync and delay request packets are being received without
>> timestamp.
>>> 
>>> Linux version : 4.4.0-87-generic
>> 
>> That must be a distro kernel -- which distro?
>> 
>>> root@ptp-slave:~# ethtool -i enp1s0f0
>>> driver: i40e
>>> version: 2.15.9
>> 
>> Hm, did kernel 4.4 already have PTP support in the i40e?
>> 
>> Maybe this is a buggy back port?
>> 
> 
> The first initial release of the kernel that hat i40e PTP support is v3.14, however... there are a lot of fixes, many of which are significantly newer than 4.4
> 
>> Thanks,
>> Richard
>> 
>> 
>> 
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