linux-kernel - Re: [PATCH 16/16] wl1251: Add sysfs file address for setting permanent mac address

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Date:	Mon, 28 Oct 2013 14:55:22 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Luciano Coelho <luca@...lho.fi>,
	"John W. Linville" <linville@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, freemangordon@....bg,
	aaro.koskinen@....fi, pavel@....cz, sre@...g0.de,
	joni.lapilainen@...il.com
Subject: Re: [PATCH 16/16] wl1251: Add sysfs file address for setting
 permanent mac address

On Mon, 2013-10-28 at 14:49 +0100, Pali Rohár wrote:
> On Monday 28 October 2013 14:45:05 Johannes Berg wrote:
> > On Sat, 2013-10-26 at 22:34 +0200, Pali Rohár wrote:
> > > Driver wl1251 generating mac address randomly at startup and
> > > there is no way to set permanent mac address via
> > > SET_IEEE80211_PERM_ADDR. This patch export sysfs file which
> > > can set permanent mac address by userspace helper program.
> > > Patch is needed for devices which do not store mac address
> > > in internal wl1251 eeprom.
> > 
> > This doesn't really seem like a good idea since you can also
> > just use 'ip' or whatever to set the MAC address.
> > 
> > johannes
> 
> AFAIK you cannot set permanent address (show by ethtool -P wlan0) 
> via ip/ifconfig.

You probably can't, but that address also doesn't matter at all and
isn't really used anywhere.

johannes


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