Return-path: Received: from mail-gw2-out.broadcom.com ([216.31.210.63]:42246 "EHLO mail-gw2-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750751AbbAAMZy (ORCPT ); Thu, 1 Jan 2015 07:25:54 -0500 Message-ID: <54A53CCE.1060906@broadcom.com> (sfid-20150101_132626_600644_005363B3) Date: Thu, 1 Jan 2015 13:25:50 +0100 From: Arend van Spriel MIME-Version: 1.0 To: Andreas Hartmann CC: Jiri Kosina , "Grumbach, Emmanuel" , Linus Torvalds , Borislav Petkov , "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "egrumbach@gmail.com" , "peter@hurleysoftware.com" , "ilw@linux.intel.com" , "Berg, Johannes" , Larry Finger Subject: Re: [PATCH] Revert "cfg80211: make WEXT compatibility unselectable" References: <54A2B807.1020202@hurleysoftware.com> <0BA3FCBA62E2DC44AF3030971E174FB31B5DC915@hasmsx107.ger.corp.intel.com> <1419971304.30412.0.camel@egrumbacBox> <20141230212326.GA29263@pd.tnic> <54A328C2.5080606@lwfinger.net> <54A3D955.6020809@broadcom.com> <0BA3FCBA62E2DC44AF3030971E174FB31B5DD72E@hasmsx107.ger.corp.intel.com> <54A3E1F1.7030807@broadcom.com> <54A412CE.6010803@maya.org> <54A45309.6080606@broadcom.com> <54A527CE.4000407@maya.org> In-Reply-To: <54A527CE.4000407@maya.org> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 01/01/15 11:56, Andreas Hartmann wrote: > Arend van Spriel wrote: >> On 12/31/14 16:14, Andreas Hartmann wrote: > [...] >>> All in all: >>> If you want to get rid of wext, you still have to go a *very* long way >>> to get the same *stable* and high throughput quality with *all* chips >>> depending on mac80211 and not just a few flagship drivers like Atheros. >> >> Hi Andreas, >> >> That's a nice list of unrelated stuff. This has all nothing to do with >> WEXT. Actually, you can build rt5572sta with cfg80211 support >> (RT_CFG80211_SUPPORT). > > You seem to know sources I don't know off. Could you please tell me, > where to find them? > > I have DPO_RT5572_LinuxSTA_2.6.0.1_20120629 which doesn't compile with > HAS_CFG80211_SUPPORT=y because -DCONFIG_AP_SUPPORT, on which > RT_CFG80211_SUPPORT relies, is broken. > > DPO_RT5572_LinuxSTA_2.6.1.3_20121022 removed the necessary broken AP > code completely. Nice. >> This thread is about the configuration API and >> not about driver performance. > > I know. > > I tried to show, why WEXT as a whole is still necessary even if there is > a mac80211 based driver, because of the weakness of rt2800usb: > Nip it in the bud. Yes. WEXT needs to stay for a while. Not arguing that. Just saying this is really about cfg80211 providing "WEXT compatibility" so WEXT user-space apps can interact with cfg80211-based drivers and how to come up with a plan to phase out "WEXT compatibility", not WEXT. Regards, Arend > Kind regards, > Andreas