netdev - Re: [PATCH RFC] net: sfp: support assigning status LEDs to SFP connectors

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Message-ID: <a9bf6238-b777-75d7-5c74-86dec47ee330@solid-run.com>
Date:   Wed, 18 May 2022 10:42:22 +0300
From:   Josua Mayer <josua@...id-run.com>
To:     Ioana Ciornei <ioana.ciornei@....com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Heiner Kallweit <hkallweit1@...il.com>
Subject: Re: [PATCH RFC] net: sfp: support assigning status LEDs to SFP
 connectors

Hi Ioana,

Am 11.05.22 um 18:48 schrieb Ioana Ciornei:
> On Tue, May 10, 2022 at 11:56:06AM +0300, Josua Mayer wrote:
>>
> 
> Hi Josua,
> 
>>>> On the Layerscape platform in particular these devices are created dynamically
>>>> by the networkign coprocessor, which supports complex functions such as
>>>> creating one network interface that spans multiple ports.
> 
> Are you sure that by multiple ports you do not mean multiple SerDes
> lanes? Otherwise, I do not understand what you are referring to.
It is very likely that I meant serdes lanes.
However the concept of my question only makes sense when their 
assignment to netdevs remains fixed.
> 
> The dpaa2-eth driver will register one netdev for each DPNI object
> (network interface) and will control/configure one DPMAC (MAC).
> There is a 1-1 relationship between these two.
That is good, so the dpmac nodes in device-tree are good objects for 
linking LEDs to.
> 
> Ioana

Thank you for the clarification!

sincerely
Josua Mayer