Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751823AbdISMSC (ORCPT ); Tue, 19 Sep 2017 08:18:02 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:47351 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751640AbdISMSB (ORCPT ); Tue, 19 Sep 2017 08:18:01 -0400 Date: Tue, 19 Sep 2017 14:17:55 +0200 From: Andrew Lunn To: Razvan Stefanescu Cc: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org, ruxandra.radulescu@nxp.com, arnd@arndb.de, alexandru.marginean@nxp.com, linux-kernel@vger.kernel.org, agraf@suse.de, stuyoder@gmail.com, bogdan.purcareata@nxp.com, linux-arm-kernel@lists.infradead.org, laurentiu.tudor@nxp.com Subject: Re: [PATCH 5/6] staging: fsl-dpaa2/ethsw: Add README Message-ID: <20170919121755.GB4569@lunn.ch> References: <1505811698-7338-1-git-send-email-razvan.stefanescu@nxp.com> <1505811698-7338-6-git-send-email-razvan.stefanescu@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1505811698-7338-6-git-send-email-razvan.stefanescu@nxp.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 603 Lines: 14 On Tue, Sep 19, 2017 at 12:01:37PM +0300, Razvan Stefanescu wrote: > +Driver uses the switch device driver model and exposes each switch port as > +a network interface, which can be included in a bridge. Traffic switched > +between ports is offloaded into the hardware. Exposed network interfaces > +are not used for I/O, they are used just for configuration. This > +limitation is going to be addressed in the future. Hi Razvan Could you briefly describe how Ethernet frames get from the CPU to the switch. This is what decided if you should write a plain switchdev driver, or a DSA driver. Andrew