> From: Jacob Keller <jacob.e.kel...@intel.com>
> Sent: Wednesday, May 20, 2020 1:15 AM
> 
> On 5/18/2020 10:17 PM, Parav Pandit wrote:
> > Hi Jake,
> >
> 
> >> Ok. So in the smart NIC CPU, we'd see the primary PF and some child
> >> PFs, and in the host system we'd see a "primary PF" that is the other
> >> end of the associated Child PF, and might be able to manage its own
> subswitch.
> >>
> >> Ok this is making more sense now.
> >>
> >> I think I had imagined that was what subfuntions were. But really
> >> subfunctions are a bit different, they're more similar to expanded VFs?
> >>
> >
> > 1. Sub functions are more light weight than VFs because, 2. They share
> > the same PCI device (BAR, IRQs) as that of PF/VF on which it is deployed.
> > 3. Unlike VFs which are enabled/disabled in bulk, subfunctions are created,
> deployed in unit of 1.
> >
> > Since this RFC content is overwhelming, I expanded the SF plumbing details
> more in [1] in previous RFC version.
> > You can replace 'devlink slice' with 'devlink port func' in [1].
> >
> > [1] https://marc.info/?l=linux-netdev&m=158555928517777&w=2
> >
> 
> Thanks! Indeed, this makes things a lot more clear to me now.
> 
Thanks for the review Jake.

> Regards,
> Jake

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