netdev - RE: [PATCH net-next 0/8] Hisilicon Network Subsystem 3 VF Ethernet Driver

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Message-ID: <F4CC6FACFEB3C54C9141D49AD221F7F93BB5FEF6@FRAEML521-MBX.china.huawei.com>
Date:   Mon, 4 Dec 2017 14:28:01 +0000
From:   Salil Mehta <salil.mehta@...wei.com>
To:     Or Gerlitz <gerlitz.or@...il.com>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        "Zhuangyuzeng (Yisen)" <yisen.zhuang@...wei.com>,
        "lipeng (Y)" <lipeng321@...wei.com>,
        "mehta.salil.lnk@...il.com" <mehta.salil.lnk@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "andy@...yhouse.net" <andy@...yhouse.net>,
        "simon.horman@...ronome.com" <simon.horman@...ronome.com>,
        "jiri@...lanox.com" <jiri@...lanox.com>,
        Linuxarm <linuxarm@...wei.com>
Subject: RE: [PATCH net-next 0/8] Hisilicon Network Subsystem 3 VF Ethernet
 Driver

> -----Original Message-----
> From: Or Gerlitz [mailto:gerlitz.or@...il.com]
> Sent: Monday, December 04, 2017 2:08 PM
> To: Salil Mehta <salil.mehta@...wei.com>
> Cc: davem@...emloft.net; Zhuangyuzeng (Yisen)
> <yisen.zhuang@...wei.com>; lipeng (Y) <lipeng321@...wei.com>;
> mehta.salil.lnk@...il.com; netdev@...r.kernel.org; andy@...yhouse.net;
> simon.horman@...ronome.com; jiri@...lanox.com
> Subject: Re: [PATCH net-next 0/8] Hisilicon Network Subsystem 3 VF
> Ethernet Driver
> 
> On Mon, Dec 4, 2017 at 12:48 PM, Salil Mehta <salil.mehta@...wei.com>
> wrote:
> >> From: Or Gerlitz <gerlitz.or@...il.com>
> 
> >> I wasn't sure if/what PF side control plane user space APIs are
> >> supported by this series, can you elaborate on that?
> 
> > Current VF driver just supports very basic functionality. Idea was to
> > push basic RX/TX/RSS/TSO support along with this version.
> 
> I was referring to PF driver knobs to manage the e-switch, not to the
> VF driver.
Right. We have unified the Enet driver for VF and PF now which will have
all those hooks related to the switchdev once we decide to get down that
path. And since these are more related to PF they have to be taken care of
in separate patches.

> 
> > We will support switchdev and other lined-up features after basic
> > version of the driver has gone through. We are in analysis phase
> right
> > now for all of these features.
> 
> sounds good. You might want to consider supporting 1st or only the
> switchdev mode, this will make your PF driver a community leader..
Yes, we will consider it as part of our analysis.

Thanks
Salil

> 
> Or.