netdev - RE: [PATCH net-next 00/12] nfp: add support for multi-pf configuration

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Message-ID:
 <DM6PR13MB3705B9BEEEE2FF99A57F8559FC03A@DM6PR13MB3705.namprd13.prod.outlook.com>
Date: Tue, 25 Jul 2023 01:28:34 +0000
From: Yinjun Zhang <yinjun.zhang@...igine.com>
To: Jakub Kicinski <kuba@...nel.org>, Louis Peens <louis.peens@...igine.com>
CC: David Miller <davem@...emloft.net>, Paolo Abeni <pabeni@...hat.com>, Simon
 Horman <simon.horman@...igine.com>, Tianyu Yuan <tianyu.yuan@...hogine.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>, oss-drivers
	<oss-drivers@...igine.com>
Subject: RE: [PATCH net-next 00/12] nfp: add support for multi-pf
 configuration

On Tuesday, July 25, 2023 8:01 AM, Jakub Kicinski wrote:
> On Mon, 24 Jul 2023 11:48:09 +0200 Louis Peens wrote:
> > This patch series is introducing multiple PFs for multiple ports NIC
> > assembled with NFP3800 chip. This is done since the NFP3800 can
> > support up to 4 PFs, and is more in-line with the modern expectation
> > that each port/netdev is associated with a unique PF.
> >
> > For compatibility concern with NFP4000/6000 cards, and older management
> > firmware on NFP3800, multiple ports sharing single PF is still supported
> > with this change. Whether it's multi-PF setup or single-PF setup is
> > determined by management firmware, and driver will notify the
> > application firmware of the setup so that both are well handled.
> 
> So every PF will have its own devlink instance?
> Can you show devlink dev info output?

Yes, here it is:

pci/0000:01:00.0:
  driver nfp
  serial_number UKAAMDA2000-100122190023
  versions:
      fixed:
        board.id AMDA2000-1001
        board.rev 01
        board.manufacture UKA
        board.model schubert
      running:
        fw.mgmt 23.07-1
        fw.cpld 0x1000001
        fw.app sri-23.07.0-0
        chip.init AMDA-2000-1001  20230321150349
      stored:
        fw.mgmt 23.07-1
        fw.cpld 0x0
        chip.init AMDA-2000-1001  20230321150349
pci/0000:01:00.1:
  driver nfp
  serial_number UKAAMDA2000-100122190023
  versions:
      fixed:
        board.id AMDA2000-1001
        board.rev 01
        board.manufacture UKA
        board.model schubert
      running:
        fw.mgmt 23.07-1
        fw.cpld 0x1000001
        fw.app sri-23.07.0-0
        chip.init AMDA-2000-1001  20230321150349
      stored:
        fw.mgmt 23.07-1
        fw.cpld 0x0
        chip.init AMDA-2000-1001  20230321150349