From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: Re: [PATCH 4 0/4] Add ability to set defaultless network device MAC addresses to deterministic computed locally administered values Date: Tue, 10 Jul 2012 14:37:51 +0200 Message-ID: <201207101437.54877.florian@openwrt.org> References: <20120705024259.26317.16000.stgit@build.warmcat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <20120705024259.26317.16000.stgit@build.warmcat.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-arm-kernel@lists.infradead.org Cc: Andy Green , linux-omap@vger.kernel.org, s-jan@ti.com, arnd@arndb.de, patches@linaro.org, tony@atomide.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, rostedt@goodmis.org List-Id: linux-omap@vger.kernel.org Hi, Le jeudi 05 juillet 2012 04:44:33, Andy Green a =E9crit : > The following series adds some code to generate legal, locally admini= stered > MAC addresses from OMAP4 CPU Die ID fuse data, and then adds a helper= at > net/ethernet taking care of accepting device path / MAC mapping > registrations and running a notifier to enforce the requested MAC whe= n the > matching network device turns up. This looks like something you can solve by user-space entirely. Expose = the=20 OMAP4 CPU Die ID using a sysfs attribute, and let user-space manage the= MAC=20 address pool. If you tell me you want to use this for nfsroot booting, what prevents = you=20 from using an initramfs, assign a valid MAC to your interface and switc= h over=20 your nfsroot once the interface setup is done? >=20 > On PandaBoard / ES, two devices have no board-level MAC either assign= ed by > the manufacturer or stored on the board, the last patch in the series= adds > these device paths and gets them set when the network device is regis= tered. >=20 > Lastly for convenient testing, there's a little patch on > omap2plus_defconfig that will get Ethernet and WLAN up on Pandaboard. >=20 > The patches are against today's linux-omap. >=20 > Thanks to Tony Lindgren and Arnd Bergmann for comments leading to the > helper in net/ethernet. >=20 > --- >=20 > Andy Green (4): > OMAP: add cpu id register to MAC address helper > NET ethernet introduce mac_platform helper > OMAP4 PANDA register ethernet and wlan for automatic mac alloca= tion > config test config extending omap2plus with wl12xx etc >=20 >=20 > arch/arm/configs/omap2plus_defconfig | 35 +++---- > arch/arm/mach-omap2/Kconfig | 1 > arch/arm/mach-omap2/board-omap4panda.c | 30 ++++++ > arch/arm/mach-omap2/id.c | 39 ++++++++ > arch/arm/mach-omap2/include/mach/id.h | 1 > include/net/mac-platform.h | 39 ++++++++ > net/Kconfig | 5 + > net/ethernet/Makefile | 3 + > net/ethernet/mac-platform.c | 151 > ++++++++++++++++++++++++++++++++ 9 files changed, 282 insertions(+), = 22 > deletions(-) > create mode 100644 include/net/mac-platform.h > create mode 100644 net/ethernet/mac-platform.c >=20 >=20 > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --=20 =46lorian