Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Date:   Tue, 13 Mar 2018 16:26:14 +0100
From:   Andrew Lunn <andrew@lunn.ch>
To:     Razvan Stefanescu <razvan.stefanescu@nxp.com>
Cc:     "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
        "devel@driverdev.osuosl.org" <devel@driverdev.osuosl.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
        Alexander Graf <agraf@suse.de>,
        "arnd@arndb.de" <arnd@arndb.de>,
        Alexandru Marginean <alexandru.marginean@nxp.com>,
        Ruxandra Ioana Ciocoi Radulescu <ruxandra.radulescu@nxp.com>,
        Ioana Ciornei <ioana.ciornei@nxp.com>,
        Laurentiu Tudor <laurentiu.tudor@nxp.com>,
        "stuyoder@gmail.com" <stuyoder@gmail.com>
Subject: Re: [PATCH v5 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2
 Ethernet Switch driver
Message-ID: <20180313152614.GC17895@lunn.ch>
References: <20180313135156.3322-1-razvan.stefanescu@nxp.com>
 <20180313135156.3322-3-razvan.stefanescu@nxp.com>
 <20180313142251.GB3814@lunn.ch>
 <AM3PR04MB07438DD330E88830AD714339E6D20@AM3PR04MB0743.eurprd04.prod.outlook.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <AM3PR04MB07438DD330E88830AD714339E6D20@AM3PR04MB0743.eurprd04.prod.outlook.com>
User-Agent: Mutt/1.5.23 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

> Hello Andrew,
> 
> The current driver implementation uses only a single FDB for the switch,
> so  it is not possible configure multiple flooding domains to accommodate
> ports partitioning.

Ah, O.K. Rather than break somebodies network by wrongly flooding, it
would be better to return -EOPNOTSUPP when the requirement for the
second FDB is met. The offload to hardware will then not happen, and
the software bridge will do all the work.

    Andrew