> 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