netdev - RE: [PATCH net-next 2/2] nfp: separate the port's upper state with lower phy state

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Message-ID: <DM6PR13MB3705AF84B6782F064CE3D6BEFC8E9@DM6PR13MB3705.namprd13.prod.outlook.com>
Date:   Thu, 30 Mar 2023 01:48:47 +0000
From:   Yinjun Zhang <yinjun.zhang@...igine.com>
To:     Leon Romanovsky <leon@...nel.org>,
        Louis Peens <louis.peens@...igine.com>
CC:     David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Simon Horman <simon.horman@...igine.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        oss-drivers <oss-drivers@...igine.com>
Subject: RE: [PATCH net-next 2/2] nfp: separate the port's upper state with
 lower phy state

On Wed, 29 Mar 2023 21:52:35 +0300, Leon Romanovsky wrote:
> On Wed, Mar 29, 2023 at 04:45:48PM +0200, Louis Peens wrote:
> > From: Yinjun Zhang <yinjun.zhang@...igine.com>
> >
> > For nic application firmware, enable the ports' phy state at the
> > beginning. And by default its state doesn't change in pace with
> > the upper state, unless the ethtool private flag "link_state_detach"
> > is turned off by:
> >
> >  ethtool --set-private-flags <netdev> link_state_detach off
> >
> > With this separation, we're able to keep the VF state up while
> > bringing down the PF.
> 
> What does it mean "bringing down the PF"?

Sorry for confusing, it means if-down/admin-down the uplink port. 
I'll rewrite the commit message as Jakub suggested.

> 
> Thanks
>