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Date: Thu, 19 Apr 2012 09:36:00 +0300
From: Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Marcel Holtmann <marcel@holtmann.org>, linux-bluetooth@vger.kernel.org,
	linux-wireless@vger.kernel.org
Subject: Re: [RFCv1] mac80211: Adds Software / Virtual AMP 80211
Message-ID: <20120419063558.GA16002@aemeltch-MOBL1>
References: <4F846257.1060807@sipsolutions.net>
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 <4F84A422.3030900@sipsolutions.net>
 <4F84A52A.7050905@sipsolutions.net>
 <20120411071119.GC17779@aemeltch-MOBL1>
 <1334714611.3725.34.camel@jlt3.sipsolutions.net>
 <20120418121551.GE19228@aemeltch-MOBL1>
 <4F8ED1D0.1070401@sipsolutions.net>
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In-Reply-To: <4F8ED913.4040807@sipsolutions.net>
List-ID: <linux-bluetooth.vger.kernel.org>

Hi Johannes,

On Wed, Apr 18, 2012 at 08:09:07AM -0700, Johannes Berg wrote:
> Hi Andrei,
> 
> >>No, this is incorrect. If one device wants to connect on one
> >>channel, the other typically has to use the same channel. If one
> >>device wants to scan, the other will be affected. Some hardware may
> >>support switching around between two channels, but might also
> >>support more than 2 virtual interfaces, so again they won't be
> >>independent.
> >
> >BTW: which devices can switch channels?
> 
> None today, I'm working on it.

If this is not possible how people setup wireless hotspot using virtual
interfaces and run wpa_supplicant and hostapd on each separately.
Like here:

http://linuxalfi.wordpress.com/2011/11/08/connectify-for-linux-with-single-wireless-interface/

Best regards 
Andrei Emeltchenko