[Intel-wired-lan] fm10k driver - flow control question

[Jags N <jagsnn@gmail.com>]

Thanks Jake. That clarifies. Appreciate much !

Regards,
Jagdish

On Sat, Oct 13, 2018 at 2:02 AM Keller, Jacob E <jacob.e.keller@intel.com>
wrote:

>
>
> > -----Original Message-----
> > From: Jags N [mailto:jagsnn at gmail.com]
> > Sent: Friday, October 12, 2018 12:19 PM
> > To: Keller, Jacob E <jacob.e.keller@intel.com>
> > Cc: Wyborny, Carolyn <carolyn.wyborny@intel.com>;
> intel-wired-lan at osuosl.org
> > Subject: Re: [Intel-wired-lan] fm10k driver - flow control question
> >
> > Hi Jake,
> >
> > Thanks much for clarifying.
> >
> > "Basically, there is no method to flow control or equivalent between the
> PEP (host
> > interface) and the switch".
> >
> > If the above is the case, can an Application on the Host, if able to
> send Priority Flow
> > Control Pause frames towards the switch, be able to pause the Switch from
> > transmitting frames towards Host ?
> >
> > Regards,
> > Jagdish
> >
> >
>
> As far as I understand it, the switch does not honor flow control frames
> coming from the host interface. The host interface supports receiving class
> based PAUSE frames from the switch, but as far as I am able to determine,
> the switch does not handle port based or class based flow control frames
> from the host interface.
>
> So, the answer to this question is "no, that's not supported"
>
> Thanks,
> Jake
>
>
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