Return-path: Received: from mail-pa0-f46.google.com ([209.85.220.46]:37624 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754107AbaKYLAx (ORCPT ); Tue, 25 Nov 2014 06:00:53 -0500 Received: by mail-pa0-f46.google.com with SMTP id lj1so357199pab.33 for ; Tue, 25 Nov 2014 03:00:53 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <1416911009-22405-1-git-send-email-johannes@sipsolutions.net> References: <1416911009-22405-1-git-send-email-johannes@sipsolutions.net> Date: Tue, 25 Nov 2014 19:00:53 +0800 Message-ID: (sfid-20141125_120059_502403_E712C430) Subject: Re: [PATCH] mac80211: check if channels allow 80 MHz for VHT probe requests From: YanBo To: Johannes Berg Cc: linux-wireless , Johannes Berg Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Nov 25, 2014 at 6:23 PM, Johannes Berg wrote: > From: Johannes Berg > > If there are no channels allowing 80 MHz to be used, then the > station isn't really VHT capable even if the driver and device > support it in general. In this case, exclude the VHT capability > IE from probe request frames. > FYI, there are some new devices could support the VHT even at 20Mhz band 2.4G mode. BR /Yanbo