Return-path: Received: from mail-pd0-f178.google.com ([209.85.192.178]:44010 "EHLO mail-pd0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750879AbaKYOtH (ORCPT ); Tue, 25 Nov 2014 09:49:07 -0500 Received: by mail-pd0-f178.google.com with SMTP id g10so689530pdj.37 for ; Tue, 25 Nov 2014 06:49:07 -0800 (PST) MIME-Version: 1.0 Date: Tue, 25 Nov 2014 22:49:07 +0800 Message-ID: (sfid-20141125_154921_684484_2B993A83) Subject: Re: [PATCH] mac80211: check if channels allow 80 MHz for VHT probe requests From: YanBo To: Johannes Berg Cc: linux-wireless , j@w1.fi, Kalle Valo Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Nov 25, 2014 at 10:18 PM, Johannes Berg wrote: > On Tue, 2014-11-25 at 22:13 +0800, YanBo wrote: > >> > But is all of that really the right way? I'm not completely convinced. >> >> Except set the flag, the HW itself should support this feature, or >> else it also doesn't work, I'd >> send the patch in soon for public review. > > Yeah, but is it really the right way to advertise VHT? In the spec, VHT > means you also have 80 MHz support - do you really think you can/will do > 80 MHz on 2.4 GHz? Seems like all of this will cause more corner cases. > >> > Agree with you that it need a bigger discussion about whether advertise VHT is the suitable/best way to support the VHT at 2.4G feature. We are considered this ways as it is already be used by some vendor like BRCM or Qualcomm Atheros in there full mac product, and there will be IOT issue if there are kinds of different implementation. Thanks BR /Yanbo