[dpdk-users] MLX5 Rx HW Timestamp units

Anshu Boonapalli anshu.boonapalli at gmail.com
Tue Nov 27 16:36:30 CET 2018

hi Tom,

Thanks for clarifying.

I am interested in the patch that allows the query of the current device
clock values. Please point me to this patch.


On Tue, Nov 27, 2018 at 12:57 AM Tom Barbette <barbette at kth.se> wrote:

> Hi Anshu,
> No it's the value of an internal Clock. The frequency and the base are
> both unknown.
> We have a patch that works (but must be reworked before submission to dev)
> that allows to query the current device clock value. Then from there you
> can derive the base and the frequency. I can send it to you if you wish.
> Tom
> ________________________________________
> De : users <users-bounces at dpdk.org> de la part de Anshu Boonapalli <
> anshu.boonapalli at gmail.com>
> Envoyé : mardi 27 novembre 2018 02:41
> À : users at dpdk.org
> Objet : [dpdk-users] MLX5 Rx HW Timestamp units
> Anyone know the units of Rx HW timestamps MLX5 provides?
> I assumed nanoseconds but tests i have run don't match the nanosecond
> units.
> Thanks,
> -Anshu

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