On Fri, Sep 18, 2020 at 3:00 PM Jason Gunthorpe <j...@nvidia.com> wrote: > > > On Tue, Sep 15, 2020 at 08:10:08PM +0300, Oded Gabbay wrote: > > Hello, > > > > This is the second version of the patch-set to upstream the GAUDI NIC code > > into the habanalabs driver. > > > > The only modification from v2 is in the ethtool patch (patch 12). Details > > are in that patch's commit message. > > > > Link to v2 cover letter: > > https://lkml.org/lkml/2020/9/12/201 > > >1. The NIC functionality is NOT exposed as different PCI Physical > > Functions. There is a single PF which is used for compute and > > networking, as the main goal of the NIC ports is to be used as > > intra-communication and not as standard network interfaces. This > > implies we can't connect different drivers to handle the networking > > ports because it is the same device, from the kernel POV, as the > > compute. Therefore, we must integrate the networking code into the > > main habanalabs driver. > > No, this means you need to use virtual bus/ancillary bus that your > other Intel colleagues have been working on with Greg. > > It is specificaly intended as the way to split a single PCI function > across multiple subsystems. eg drivers/misc/habanalabs would be the > pci_driver and drivers/net/ethernet/habanadalabs would be the > 'virtual/ancillary' driver. Probably one per port. > > Jasno
Understood. We are doing a refactor of the code according to those guidelines and will send an updated patch-set in a couple of weeks. Thanks, Oded