netdev - Re: [PATCH v2 15/16] wl1251: Add sysfs file address for setting permanent mac address

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Message-Id: <201312101814.35112@pali>
Date:	Tue, 10 Dec 2013 18:14:34 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Kalle Valo <kvalo@...rom.com>
Cc:	Luciano Coelho <luca@...lho.fi>,
	"John W. Linville" <linville@...driver.com>,
	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,
	Johannes Berg <johannes@...solutions.net>,
	Felipe Contreras <felipe.contreras@...il.com>
Subject: Re: [PATCH v2 15/16] wl1251: Add sysfs file address for setting permanent mac address

On Tuesday 10 December 2013 17:10:50 Pali Rohár wrote:
> On Tuesday 10 December 2013 16:49:23 Kalle Valo wrote:
> > Pali Rohár <pali.rohar@...il.com> writes:
> > > 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.
> > > 
> > > Signed-off-by: Pali Rohár <pali.rohar@...il.com>
> > 
> > We have ioctl() command for setting the mac address.
> 
> Really? Is there ioctl for setting permanent mac address?
> Can you show me it?

Now I looked at it again and I did not found any ioctl for it. 
There is only ioctl cmd for getting address, not setting it.

#define SIOCETHTOOL 0x8946

/* Get permanent hardware address */
#define ETHTOOL_GPERMADDR 0x00000020

-- 
Pali Rohár
pali.rohar@...il.com

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