netdev - Re: [PATCH net-next 3/3] net: dsa: mv88e6xxx: add MDB support

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Date:   Wed, 31 Aug 2016 16:56:04 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel@...oirfairelinux.com,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net-next 3/3] net: dsa: mv88e6xxx: add MDB support

> Do you mean the something like this?
> 
>     if (obj->id == SWITCHDEV_OBJ_ID_PORT_FDB) {
>         ...
>     } else if (obj->id == SWITCHDEV_OBJ_ID_PORT_MDB) {
>         ...
>     } else {
>         return -EOPNOTSUPP;
>     }

Hi Vivien

The -ENONOTSUPP is even better. I was not going as far as that.
 
> No the signatures are differentes. See _fdb vs. _mdb.

Ah, missed that. Then two functions are O.K. I don't think we should
consolidate it in the DSA layer.

	    Andrew