netdev - Re: [PATCH net-next 2/2] net: dsa: dsa2: Add basic support of devlink

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Message-ID: <c844a885-cfd3-4358-89dd-c619d3d394e4@gmail.com>
Date:   Wed, 29 Mar 2017 10:29:07 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     David Miller <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>, sfrench@...ba.org,
        linux-cifs@...r.kernel.org,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: Re: [PATCH net-next 2/2] net: dsa: dsa2: Add basic support of devlink

On 03/28/2017 06:31 PM, Andrew Lunn wrote:
> On Tue, Mar 28, 2017 at 05:33:18PM -0700, Florian Fainelli wrote:
>> On 03/28/2017 02:45 PM, Andrew Lunn wrote:
>>> Register the switch and its ports with devlink.
>>>
>>> Signed-off-by: Andrew Lunn <andrew@...n.ch>
>>
>> Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
>> Tested-by: Florian Fainelli <f.fainelli@...il.com>
>>
>> root@...-vm:~# devlink -p port
>> mdio_bus/fixed-0:1f/0: type eth netdev lan1
>> mdio_bus/fixed-0:1f/1: type eth netdev lan2
>> mdio_bus/fixed-0:1f/2: type eth netdev lan3
>> mdio_bus/fixed-0:1f/3: type eth netdev lan4
>> mdio_bus/fixed-0:1f/5: type notset
>> root@...-vm:~# devlink -p dev
>> mdio_bus/fixed-0:1f
> 
> Thanks Florian
> 
> I have another patch somewhere which adds new types for CPU and DSA
> ports. Once these 2 patches have landed, and the reports of broken
> builds stop, i will dig it out.
> 
> But my main priority at the moment is to play with dpipe and make sure
> it can represent tables we have in DSA switches, before the Binary API
> is frozen.

Yes, that is a very good point actually.

Tangential question: we do not currently report to user space what kind
of switch tagging protocol is used (DSA, eDSA etc.) I was going to add a
sysfs attribute for that under the switch device's directory, but maybe
devlink would be more appropriate for that?
-- 
Florian