linux-kernel - Re: [EXTERNAL] Re: [net-next PATCH v2 0/9] Introduce RVU representors

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Date: Wed, 24 Apr 2024 16:42:09 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Geethasowjanya Akula <gakula@...vell.com>
Cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kuba@...nel.org" <kuba@...nel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"pabeni@...hat.com" <pabeni@...hat.com>,
	"edumazet@...gle.com" <edumazet@...gle.com>,
	Sunil Kovvuri Goutham <sgoutham@...vell.com>,
	Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
	Hariprasad Kelam <hkelam@...vell.com>
Subject: Re: [EXTERNAL] Re: [net-next PATCH v2 0/9] Introduce RVU representors

Tue, Apr 23, 2024 at 05:39:15PM CEST, gakula@...vell.com wrote:
>
>
>> -----Original Message-----
>> From: Jiri Pirko <jiri@...nulli.us>
>> Sent: Tuesday, April 23, 2024 6:33 PM
>> To: Geethasowjanya Akula <gakula@...vell.com>
>> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org; kuba@...nel.org;
>> davem@...emloft.net; pabeni@...hat.com; edumazet@...gle.com; Sunil
>> Kovvuri Goutham <sgoutham@...vell.com>; Subbaraya Sundeep Bhatta
>> <sbhatta@...vell.com>; Hariprasad Kelam <hkelam@...vell.com>
>> Subject: [EXTERNAL] Re: [net-next PATCH v2 0/9] Introduce RVU representors
>> 
>> Prioritize security for external emails: Confirm sender and content safety
>> before clicking links or opening attachments
>> 
>> ----------------------------------------------------------------------
>> Mon, Apr 22, 2024 at 11:53:52AM CEST, gakula@...vell.com wrote:
>> >This series adds representor support for each rvu devices.
>> >When switchdev mode is enabled, representor netdev is registered for
>> >each rvu device. In implementation of representor model, one NIX HW LF
>> >with multiple SQ and RQ is reserved, where each RQ and SQ of the LF are
>> >mapped to a representor. A loopback channel is reserved to support
>> >packet path between representors and VFs.
>> >CN10K silicon supports 2 types of MACs, RPM and SDP. This patch set
>> >adds representor support for both RPM and SDP MAC interfaces.
>> >
>> >- Patch 1: Refactors and exports the shared service functions.
>> >- Patch 2: Implements basic representor driver.
>> >- Patch 3: Add devlink support to create representor netdevs that
>> >  can be used to manage VFs.
>> >- Patch 4: Implements basec netdev_ndo_ops.
>> >- Patch 5: Installs tcam rules to route packets between representor and
>> >	   VFs.
>> >- Patch 6: Enables fetching VF stats via representor interface.
>> >- Patch 7: Adds support to sync link state between representors and VFs.
>> >- Patch 8: Enables configuring VF MTU via representor netdevs.
>> >- Patch 9: Add representors for sdp MAC.
>> 
>> 
>> Could you please add some command outputs to the cover letter? Like $
>> devlink dev $ devlink port
>> 
>#devlink dev eswitch set pci/0002:1c:00.0 mode switchdev

?

>> outputs at least.
>> 
>> 
>> >
>> >-----------
>> >v1-v2:
>> > -Fixed build warnings.
>> > -Address review comments provided by "Kalesh Anakkur Purayil".
>> >
>> >Geetha sowjanya (9):
>> >  octeontx2-pf: Refactoring RVU driver
>> >  octeontx2-pf: RVU representor driver
>> >  octeontx2-pf: Create representor netdev
>> >  octeontx2-pf: Add basic net_device_ops
>> >  octeontx2-af: Add packet path between representor and VF
>> >  octeontx2-pf: Get VF stats via representor
>> >  octeontx2-pf: Add support to sync link state between representor and
>> >    VFs
>> >  octeontx2-pf: Configure VF mtu via representor
>> >  octeontx2-pf: Add representors for sdp MAC
>> >
>> > .../net/ethernet/marvell/octeontx2/Kconfig    |   8 +
>> > .../ethernet/marvell/octeontx2/af/Makefile    |   3 +-
>> > .../ethernet/marvell/octeontx2/af/common.h    |   2 +
>> > .../net/ethernet/marvell/octeontx2/af/mbox.h  |  73 +++
>> > .../net/ethernet/marvell/octeontx2/af/npc.h   |   1 +
>> > .../net/ethernet/marvell/octeontx2/af/rvu.h   |  30 +-
>> > .../marvell/octeontx2/af/rvu_debugfs.c        |  27 -
>> > .../marvell/octeontx2/af/rvu_devlink.c        |   6 +
>> > .../ethernet/marvell/octeontx2/af/rvu_nix.c   |  75 ++-
>> > .../marvell/octeontx2/af/rvu_npc_fs.c         |   4 +
>> > .../ethernet/marvell/octeontx2/af/rvu_rep.c   | 457 ++++++++++++++
>> > .../marvell/octeontx2/af/rvu_struct.h         |  26 +
>> > .../marvell/octeontx2/af/rvu_switch.c         |  20 +-
>> > .../ethernet/marvell/octeontx2/nic/Makefile   |   2 +
>> > .../ethernet/marvell/octeontx2/nic/cn10k.c    |   4 +-
>> > .../ethernet/marvell/octeontx2/nic/cn10k.h    |   2 +-
>> > .../marvell/octeontx2/nic/otx2_common.c       |  53 +-
>> > .../marvell/octeontx2/nic/otx2_common.h       |  83 ++-
>> > .../marvell/octeontx2/nic/otx2_devlink.c      |  47 ++
>> > .../ethernet/marvell/octeontx2/nic/otx2_pf.c  | 305 ++++++---
>> > .../ethernet/marvell/octeontx2/nic/otx2_reg.h |   1 +
>> > .../marvell/octeontx2/nic/otx2_txrx.c         |  35 +-
>> > .../marvell/octeontx2/nic/otx2_txrx.h         |   3 +-
>> > .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |  18 +-
>> > .../net/ethernet/marvell/octeontx2/nic/rep.c  | 596 ++++++++++++++++++
>> > .../net/ethernet/marvell/octeontx2/nic/rep.h  |  51 ++
>> > 26 files changed, 1707 insertions(+), 225 deletions(-) create mode
>> > 100644 drivers/net/ethernet/marvell/octeontx2/af/rvu_rep.c
>> > create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/rep.c
>> > create mode 100644 drivers/net/ethernet/marvell/octeontx2/nic/rep.h
>> >
>> >--
>> >2.25.1
>> >
>> >