linux-kernel - RE: AP firmware for TI wl1251 wifi chip (wl1251-fw-ap.bin)

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Date:	Wed, 6 Apr 2016 12:30:25 +0000
From:	"Machani, Yaniv" <yanivma@...com>
To:	Pali Rohár <pali.rohar@...il.com>
CC:	Luciano Coelho <coelho@...com>, "Balbi, Felipe" <balbi@...com>,
	"Chalmers, Kevin" <kev@...com>, Shahar Levi <shahar_levi@...com>,
	Kalle Valo <kvalo@...eaurora.org>,
	"Davis, Andrew" <afd@...com>, "Mishol, Guy" <guym@...com>,
	Arik Nemtsov <arik@...ery.com>, Gery Kahn <geryk@...com>,
	Felipe Balbi <balbi@...nel.org>,
	Luciano Coelho <luca@...lho.fi>,
	"David Woodhouse" <dwmw2@...radead.org>,
	Pavel Machek <pavel@....cz>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Ben Hutchings <ben@...adent.org.uk>,
	David Gnedt <david.gnedt@...tinumzone24.at>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Sebastian Reichel <sre@...nel.org>,
	"Tony Lindgren" <tony@...mide.com>, "Menon, Nishanth" <nm@...com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: AP firmware for TI wl1251 wifi chip (wl1251-fw-ap.bin)

On Wed, Apr 06, 2016 at 15:12:43, Pali Rohár wrote:
> > > > For other TI wilink chips there are <CHIP>-ap.bin firmware files 
> > > > (wl1271-fw-ap.bin and wl128x-fw-ap.bin) which support AP mode.
> > > > But for
> > > > wl1251 firmware file with guessed name "wl1251-fw-ap.bin" is 
> > > > missing.
> > > >
> > > > Do you have any idea what happened with AP firmware for ti
> > > > wilink4 wl1251 wifi chip? Or where can be found? Guys from TI, 
> > > > can you help?
> > > >
> > > > I see that STA firmware was added into linux-firmware tree in 
> > > > year
> > > > 2013 by this pull request [2].
> > > >
> > > > [1] -
> > > > https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firm
> > > > w
> > > > are .g
> > > > it/tree/ti-connectivity
> > > >
> > > > [2] -
> > > > http://thread.gmane.org/gmane.linux.kernel/1566500/focus=1571382
> > >
> > > Hi! Anybody has some idea about that AP firmware?
> >
> > Hi,
> > wl1251 does not support AP mode, so there is no firmware for it in 
> > the tree.
> >
> > Regards,
> > Yaniv
> 
> Hi Yaniv! I read on some TI whitepaper, that wl1251 hardware supports 
> some Soft-AP mode. So I expect that either special FW is needed for it 
> or somehow it is possible to use current released. Do you have any information about it?
> 
> --
> Pali Rohár
> pali.rohar@...il.com

Hi Pali,
This must be some typo, the device does not support Soft-AP.
More than that, wl1251 family is not officially supported via the mainline Linux.
For Soft-AP, and other new features based on Linux you should use WiLink8 chip family.

Regards,
Yaniv