Return-path: <linux-wireless-owner@vger.kernel.org>
Received: from mail-la0-f53.google.com ([209.85.215.53]:43990 "EHLO
	mail-la0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1750883AbaBTH1z (ORCPT
	<rfc822;linux-wireless@vger.kernel.org>);
	Thu, 20 Feb 2014 02:27:55 -0500
Received: by mail-la0-f53.google.com with SMTP id e16so1060078lan.12
        for <linux-wireless@vger.kernel.org>; Wed, 19 Feb 2014 23:27:54 -0800 (PST)
MIME-Version: 1.0
In-Reply-To: <CAB=NE6UR3yQOSZr7NXA4kO2hKre0zBsmK9H1MTYZ=9Wh_=9AtA@mail.gmail.com>
References: <1392226988-3878-1-git-send-email-janusz.dziedzic@tieto.com>
	<CAB=NE6VEmUr5rVhaeShdJQomhhQ3VeDcHaqeHo0jGNaWKtMwyQ@mail.gmail.com>
	<CAFED-jn0AfGVqJVFfeu6Pke2UBh-+nnRrhdVM-4acYHn9WdSjQ@mail.gmail.com>
	<CAB=NE6UR3yQOSZr7NXA4kO2hKre0zBsmK9H1MTYZ=9Wh_=9AtA@mail.gmail.com>
Date: Thu, 20 Feb 2014 08:27:54 +0100
Message-ID: <CALhHN=qc7m7oce6aiiNfpW5wUc7ypy2E+0TmYsKNth5_s5FpxQ@mail.gmail.com> (sfid-20140220_082758_355897_F85887AD)
Subject: Re: [PATCH] crda: handle AUTO bw setting in db2rd
From: Janusz Dziedzic <janusz.dziedzic@tieto.com>
To: "Luis R. Rodriguez" <mcgrof@do-not-panic.com>
Cc: Janusz Dziedzic <janusz.dziedzic@gmail.com>,
	linux-wireless <linux-wireless@vger.kernel.org>,
	Johannes Berg <johannes@sipsolutions.net>,
	"John W. Linville" <linville@tuxdriver.com>
Content-Type: text/plain; charset=ISO-8859-1
Sender: linux-wireless-owner@vger.kernel.org
List-ID: <linux-wireless.vger.kernel.org>

On 19 February 2014 23:00, Luis R. Rodriguez <mcgrof@do-not-panic.com> wrote:
> On Tue, Feb 18, 2014 at 10:12 PM, Janusz Dziedzic
> <janusz.dziedzic@gmail.com> wrote:
>> 2014-02-19 1:33 GMT+01:00 Luis R. Rodriguez <mcgrof@do-not-panic.com>:
>>> On Wed, Feb 12, 2014 at 9:43 AM, Janusz Dziedzic
>>> <janusz.dziedzic@tieto.com> wrote:
>>>> Handle AUTO bandwidth setting in db2rd.
>>>> Don't add NL80211_ATTR_FREQ_RANGE_MAX_BW attribute
>>>> in case of AUTO bw calculation.
>>>>
>>>> Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
>>>
>>> Please elaborate more on this. Who deals with the automatic math on
>>> the bandwidth?
>>>
>> cfg80211,
>>
>> Please check patch:
>> cfg80211: regulatory introduce maximum bandwidth calculation
>
> OK, so we don't send the max bandwidth attribute now, what about
> support for older kernels?
>
Yes, seems we should send this even this is 0.
Next for old kernel, all channels where BW=0 will be HT20 only.

BR
Janusz