Return-path: Received: from mga14.intel.com ([143.182.124.37]:49635 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752440Ab2DSGfL (ORCPT ); Thu, 19 Apr 2012 02:35:11 -0400 Date: Thu, 19 Apr 2012 09:36:00 +0300 From: Andrei Emeltchenko To: Johannes Berg Cc: Marcel Holtmann , 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> (sfid-20120419_083525_128930_4284C6B5) References: <4F846257.1060807@sipsolutions.net> <1334092668.16897.54.camel@aeonflux> <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> <20120418145202.GH19228@aemeltch-MOBL1> <4F8ED913.4040807@sipsolutions.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <4F8ED913.4040807@sipsolutions.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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