linux-kernel - Re: [PATCH 0/3] Add FDMA support on ocelot switch driver

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Message-ID: <20211028162320.7c07fdf3@xps-bootlin>
Date:   Thu, 28 Oct 2021 16:23:20 +0200
From:   Clément Léger <clement.leger@...tlin.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        Andrew Lunn <andrew@...n.ch>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] Add FDMA support on ocelot switch driver

Le Thu, 28 Oct 2021 14:07:39 +0000,
Vladimir Oltean <vladimir.oltean@....com> a écrit :

> On Thu, Oct 28, 2021 at 03:49:29PM +0200, Clément Léger wrote:
> > This series adds support for the Frame DMA present on the VSC7514
> > switch. The FDMA is able to extract and inject packets on the
> > various ethernet interfaces present on the switch.
> > 
> > While adding FDMA support, bindings were switched from .txt to .yaml
> > and mac address read from device-tree was added to allow be set
> > instead of using random mac address.
> > 
> > Clément Léger (3):
> >   net: ocelot: add support to get mac from device-tree
> >   dt-bindings: net: convert mscc,vsc7514-switch bindings to yaml
> >   net: ocelot: add FDMA support
> > 
> >  .../bindings/net/mscc,vsc7514-switch.yaml     | 183 ++++
> >  .../devicetree/bindings/net/mscc-ocelot.txt   |  83 --
> >  drivers/net/ethernet/mscc/Makefile            |   1 +
> >  drivers/net/ethernet/mscc/ocelot.h            |   2 +
> >  drivers/net/ethernet/mscc/ocelot_fdma.c       | 811
> > ++++++++++++++++++ drivers/net/ethernet/mscc/ocelot_fdma.h       |
> > 60 ++ drivers/net/ethernet/mscc/ocelot_net.c        |  30 +-
> >  drivers/net/ethernet/mscc/ocelot_vsc7514.c    |  20 +-
> >  include/linux/dsa/ocelot.h                    |  40 +-
> >  include/soc/mscc/ocelot.h                     |   2 +
> >  10 files changed, 1140 insertions(+), 92 deletions(-)
> >  create mode 100644
> > Documentation/devicetree/bindings/net/mscc,vsc7514-switch.yaml
> > delete mode 100644
> > Documentation/devicetree/bindings/net/mscc-ocelot.txt create mode
> > 100644 drivers/net/ethernet/mscc/ocelot_fdma.c create mode 100644
> > drivers/net/ethernet/mscc/ocelot_fdma.h
> > 
> > -- 
> > 2.33.0
> >  
> 
> Oh yes, finally some care and attention for the ocelot switchdev
> driver. I'll review this soon, but I can't today.
> Will you be keeping the hardware for some extended period of time, and
> do you have some other changes planned as well?

Yes I'll keep the hardware for some time but I do not have other
changes planned yet. Maybe there will be additional changes later but
nothing sure.

Clément