netdev - RE: [EXTERNAL] Re: [net-next PATCH v3 0/9] Introduce RVU representors

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Message-ID: 
 <CH0PR18MB4339928BE28548F3414E8D27CD1B2@CH0PR18MB4339.namprd18.prod.outlook.com>
Date: Mon, 29 Apr 2024 13:51:07 +0000
From: Geethasowjanya Akula <gakula@...vell.com>
To: Jiri Pirko <jiri@...nulli.us>
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 v3 0/9] Introduce RVU representors



> -----Original Message-----
> From: Jiri Pirko <jiri@...nulli.us>
> Sent: Monday, April 29, 2024 5:01 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 v3 0/9] Introduce RVU representors
> 
> ----------------------------------------------------------------------
> Sun, Apr 28, 2024 at 12:53:03PM 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
> >
> >Command to create VF representor
> >#devlink dev eswitch set pci/0002:1c:00.0 mode switchdev VF
> >representors are created for each VF when switch mode is set switchdev
> >on representor PCI device # devlink dev eswitch set pci/0002:1c:00.0
> >mode switchdev
> 
> I specifically asked for output of:
> devlink dev
> devlink port
> 
> Why you ignored my requests?
> 
Sorry, I have interrupted wrongly and sent the output as response to the previous email. 
Will add output to the commit message in next version. 
> 
> ># ip link show
> >25: r0p1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
> DEFAULT group default qlen 1000
> >    link/ether 32:0f:0f:f0:60:f1 brd ff:ff:ff:ff:ff:ff
> >26: r1p1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode
> DEFAULT group default qlen 1000
> >    link/ether 3e:5d:9a:4d:e7:7b brd ff:ff:ff:ff:ff:ff
> >
> >-----------
> >v1-v2:
> > -Fixed build warnings.
> > -Address review comments provided by "Kalesh Anakkur Purayil".
> >
> >v2-v3:
> > - Used extack for error messages.
> > - As suggested reworked commit messages.
> > - Fixed sparse warning.
> >
> >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
> >
> >