From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752824AbcFNRXQ (ORCPT ); Tue, 14 Jun 2016 13:23:16 -0400 Received: from vps0.lunn.ch ([178.209.37.122]:45405 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751442AbcFNRXO (ORCPT ); Tue, 14 Jun 2016 13:23:14 -0400 Date: Tue, 14 Jun 2016 19:23:04 +0200 From: Andrew Lunn To: Mario_Limonciello@Dell.com Cc: pali.rohar@gmail.com, gregkh@linuxfoundation.org, davem@davemloft.net, hayeswang@realtek.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-usb@vger.kernel.org, anthony.wong@canonical.com Subject: Re: [PATCH v6] r8152: Add support for setting pass through MAC address on RTL8153-AD Message-ID: <20160614172304.GB4914@lunn.ch> References: <1465323757-7249-1-git-send-email-mario_limonciello@dell.com> <201606141828.10969@pali> <20160614164017.GB14477@kroah.com> <201606141847.36109@pali> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > It is same, how to handle two network cards which tell us, that they > > have same MAC addresses. > > > > The kernel handles this just fine. In doing this patch I checked to see > what it does in that scenario. Two devices are made. systemd doesn't > rename the second device via the MAC name (eg enxAABBCCDDEEFF). What does you dhcp server do? Does it gives out the same IP address? You then have two interfaces on the same network, with the same MAC address and IP address. Then what happens? Andrew