From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] qmi_wwan: Set random MAC on devices with buggy fw Date: Fri, 02 Jan 2015 16:42:07 -0500 (EST) Message-ID: <20150102.164207.1916156409658764329.davem@davemloft.net> References: <1420212105-20278-1-git-send-email-kristian.evensen@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-usb@vger.kernel.org, bjorn@mork.no To: kristian.evensen@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:53859 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752540AbbABVmJ (ORCPT ); Fri, 2 Jan 2015 16:42:09 -0500 In-Reply-To: <1420212105-20278-1-git-send-email-kristian.evensen@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Kristian Evensen Date: Fri, 2 Jan 2015 16:21:45 +0100 > From: Kristian Evensen > > Some buggy firmwares export an incorrect MAC address (00:a0:c6:00:00:00). This > makes for example checking devices for random MAC addresses tricky, and you > might end up with multiple network interfaces with the same address. > > This patch tries to fix, or at least improve, the situation by setting the MAC > address of devices with this firmware bug to a random address. I tested the > patch with two devices that has this firmware bug (Huawei E398 and E392), and > network traffic worked fine after changing the address. > > Signed-off-by: Kristian Evensen Applied.