From: Vadym Kochan <vadym.kochan@plvision.eu>
To: Chris Packham <Chris.Packham@alliedtelesis.co.nz>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"davem@davemloft.net" <davem@davemloft.net>,
Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>,
Oleksandr Mazur <oleksandr.mazur@plvision.eu>,
Andrii Savka <andrii.savka@plvision.eu>,
Taras Chornyi <taras.chornyi@plvision.eu>,
Serhiy Boiko <serhiy.boiko@plvision.eu>
Subject: Re: [RFC net-next 0/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX326x (AC3x)
Date: Fri, 28 Feb 2020 16:50:37 +0000 [thread overview]
Message-ID: <20200228165028.GA8409@plvision.eu> (raw)
In-Reply-To: <1810583047af2d41d2521960f7a39f768748f2cb.camel@alliedtelesis.co.nz>
Hi Chris,
On Tue, Feb 25, 2020 at 10:45:09PM +0000, Chris Packham wrote:
> Hi Vadym,
>
> On Tue, 2020-02-25 at 16:30 +0000, Vadym Kochan wrote:
> > Marvell Prestera 98DX326x integrates up to 24 ports of 1GbE with 8
> > ports of 10GbE uplinks or 2 ports of 40Gbps stacking for a largely
> > wireless SMB deployment.
> >
> > Prestera Switchdev is a firmware based driver which operates via PCI
> > bus. The driver is split into 2 modules:
> >
> > - prestera_sw.ko - main generic Switchdev Prestera ASIC related logic.
> >
> > - prestera_pci.ko - bus specific code which also implements firmware
> > loading and low-level messaging protocol between
> > firmware and the switchdev driver.
> >
> > This driver implementation includes only L1 & basic L2 support.
> >
> > The core Prestera switching logic is implemented in prestera.c, there is
> > an intermediate hw layer between core logic and firmware. It is
> > implemented in prestera_hw.c, the purpose of it is to encapsulate hw
> > related logic, in future there is a plan to support more devices with
> > different HW related configurations.
>
> Very excited by this patch series. We have some custom designs using
> the AC3x. I'm in the process of getting the board dtses ready for
> submitting upstream.
>
> Please feel free to add me to the Cc list for future versions of this
> patch set (and releated ones).
>
> I'll also look to see what we can do to test on our hardware platforms.
>
Sure. I will add you to CC's list. Please note that you need to make
sure that your board design follows Marvell Design Guide for switchdev
solution.
> >
> > The firmware has to be loaded each time device is reset. The driver is
> > loading it from:
> >
> > /lib/firmware/marvell/prestera_fw_img.bin
> >
> > The firmware image version is located within internal header and consists
> > of 3 numbers - MAJOR.MINOR.PATCH. Additionally, driver has hard-coded
> > minimum supported firmware version which it can work with:
> >
> > MAJOR - reflects the support on ABI level between driver and loaded
> > firmware, this number should be the same for driver and
> > loaded firmware.
> >
> > MINOR - this is the minimal supported version between driver and the
> > firmware.
> >
> > PATCH - indicates only fixes, firmware ABI is not changed.
> >
> > The firmware image will be submitted to the linux-firmware after the
> > driver is accepted.
> >
> > The following Switchdev features are supported:
> >
> > - VLAN-aware bridge offloading
> > - VLAN-unaware bridge offloading
> > - FDB offloading (learning, ageing)
> > - Switchport configuration
> >
> > CPU RX/TX support will be provided in the next contribution.
> >
> > Vadym Kochan (3):
> > net: marvell: prestera: Add Switchdev driver for Prestera family ASIC
> > device 98DX325x (AC3x)
> > net: marvell: prestera: Add PCI interface support
> > dt-bindings: marvell,prestera: Add address mapping for Prestera
> > Switchdev PCIe driver
> >
> > .../bindings/net/marvell,prestera.txt | 13 +
> > drivers/net/ethernet/marvell/Kconfig | 1 +
> > drivers/net/ethernet/marvell/Makefile | 1 +
> > drivers/net/ethernet/marvell/prestera/Kconfig | 24 +
> > .../net/ethernet/marvell/prestera/Makefile | 5 +
> > .../net/ethernet/marvell/prestera/prestera.c | 1502 +++++++++++++++++
> > .../net/ethernet/marvell/prestera/prestera.h | 244 +++
> > .../marvell/prestera/prestera_drv_ver.h | 23 +
> > .../ethernet/marvell/prestera/prestera_hw.c | 1094 ++++++++++++
> > .../ethernet/marvell/prestera/prestera_hw.h | 159 ++
> > .../ethernet/marvell/prestera/prestera_pci.c | 840 +++++++++
> > .../marvell/prestera/prestera_switchdev.c | 1217 +++++++++++++
> > 12 files changed, 5123 insertions(+)
> > create mode 100644 drivers/net/ethernet/marvell/prestera/Kconfig
> > create mode 100644 drivers/net/ethernet/marvell/prestera/Makefile
> > create mode 100644 drivers/net/ethernet/marvell/prestera/prestera.c
> > create mode 100644 drivers/net/ethernet/marvell/prestera/prestera.h
> > create mode 100644 drivers/net/ethernet/marvell/prestera/prestera_drv_ver.h
> > create mode 100644 drivers/net/ethernet/marvell/prestera/prestera_hw.c
> > create mode 100644 drivers/net/ethernet/marvell/prestera/prestera_hw.h
> > create mode 100644 drivers/net/ethernet/marvell/prestera/prestera_pci.c
> > create mode 100644 drivers/net/ethernet/marvell/prestera/prestera_switchdev.c
> >
Regards,
Vadym Kochan
next prev parent reply other threads:[~2020-02-28 16:50 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-25 16:30 [RFC net-next 0/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX326x (AC3x) Vadym Kochan
2020-02-25 16:30 ` [RFC net-next 1/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX325x (AC3x) Vadym Kochan
2020-02-25 22:05 ` Andrew Lunn
2020-02-26 15:54 ` Jiri Pirko
2020-02-27 21:32 ` Vadym Kochan
2020-02-27 21:43 ` Andrew Lunn
2020-02-27 23:50 ` Vadym Kochan
2020-02-28 6:36 ` Jiri Pirko
2020-02-28 14:03 ` Andrew Lunn
2020-02-28 6:34 ` Jiri Pirko
2020-02-28 9:44 ` Vadym Kochan
2020-02-28 10:59 ` Jiri Pirko
2020-02-27 14:22 ` Jiri Pirko
2020-02-28 8:06 ` Vadym Kochan
2020-02-28 11:03 ` Jiri Pirko
2020-02-28 4:22 ` Florian Fainelli
2020-02-28 8:17 ` Vadym Kochan
2020-03-05 14:49 ` Ido Schimmel
2020-05-02 15:20 ` Vadym Kochan
2020-05-05 4:01 ` Vadym Kochan
2020-02-25 16:30 ` [RFC net-next 2/3] net: marvell: prestera: Add PCI interface support Vadym Kochan
2020-02-25 20:49 ` Andrew Lunn
2020-02-27 11:05 ` Jiri Pirko
2020-02-28 16:54 ` Vadym Kochan
2020-02-29 7:58 ` Jiri Pirko
2020-03-01 2:12 ` Jakub Kicinski
2020-02-25 16:30 ` [RFC net-next 3/3] dt-bindings: marvell,prestera: Add address mapping for Prestera Switchdev PCIe driver Vadym Kochan
2020-02-28 4:24 ` Florian Fainelli
2020-02-25 22:12 ` [RFC net-next 0/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX326x (AC3x) Andrew Lunn
2020-02-25 22:45 ` Chris Packham
2020-02-28 16:50 ` Vadym Kochan [this message]
2020-02-26 15:44 ` Jiri Pirko
2020-02-26 16:38 ` Roopa Prabhu
2020-03-05 15:01 ` Ido Schimmel
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