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Message-ID: <20230329193831.2eb48e3c@kernel.org>
Date:   Wed, 29 Mar 2023 19:38:31 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Yinjun Zhang <yinjun.zhang@...igine.com>
Cc:     Louis Peens <louis.peens@...igine.com>,
        David Miller <davem@...emloft.net>,
        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 1/2] nfp: initialize netdev's dev_port with
 correct id

On Thu, 30 Mar 2023 01:40:30 +0000 Yinjun Zhang wrote:
> On Wed, 29 Mar 2023 12:22:27 -0700, Jakub Kicinski wrote:
> > On Wed, 29 Mar 2023 16:45:47 +0200 Louis Peens wrote:  
> > > In some customized scenario, `dev_port` is used to rename netdev
> > > instead of `phys_port_name`, which requires to initialize it
> > > correctly to get expected netdev name.  
> > 
> > What do you mean by "which requires to initialize it correctly to get
> > expected netdev name." ?  
> 
> I mean it cannot be renamed by udev rules as expected if `dev_port`
> is not correctly initialized, because the second port doesn't match
> 'ATTR{dev_port}=="1"'.

Yes, but phys_port_name is still there, and can be used, right?
So why add another attr?

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