From: Christian Lamparter <chunkeey@googlemail.com>
To: Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de>
Cc: Adrian Chadd <adrian@freebsd.org>,
Johannes Berg <johannes@sipsolutions.net>,
linux-wireless@vger.kernel.org, linville@tuxdriver.com,
mathias.kretschmer@fokus.fraunhofer.de,
Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Subject: Re: [PATCH] nl80211: allow ad-hoc to set WMM parameters from outside
Date: Wed, 9 Jan 2013 21:01:16 +0100 [thread overview]
Message-ID: <201301092101.16435.chunkeey@googlemail.com> (raw)
In-Reply-To: <20130109143304.GA23469@pandem0nium>
Hello Simon,
On Wednesday, January 09, 2013 03:33:04 PM Simon Wunderlich wrote:
> On Wed, Jan 09, 2013 at 03:10:49PM +0100, Christian Lamparter wrote:
> > On Wednesday, January 09, 2013 02:15:40 PM Simon Wunderlich wrote:
> > > On Tue, Jan 08, 2013 at 09:28:44AM -0800, Adrian Chadd wrote:
> > > > I still populate the WME fields; I need to "fix" paying attention to
> > > > them in the adhoc case.
> > >
> > > Applying the EDCA parameters in the hardware and sending "standard" WME IEs
> > > (without EDCA parameter sets) is understandable, Linux does that too.
> >
> > Well, the WFA WMM Specification v1.2 costs $99 (last time I checked, which wasn't
> > too long ago). However Johannes told me that the WMM IE should not be added
> > to IBSS beacons.
>
> I don't have the spec, and I don't intend to buy it. :)
>
> But: We do have WMM IE sent by Linux IBSS STAs even today.
Ah, but I think you shouldn't ;).
> The difference to the AP WMM IEs is that it doesn't include EDCA parameters
> (cwmin/max, aifs, ...). But still, this is useful to detect that the other
> IBBS station is WMM-capable: we can then use QOS_DATA frames, use noack, etc ...
There's also the QoS Capability IE (8.4.2.37). It needs 3 bytes (one for the IE
ID, one for an IE LEN and then the QoS cap byte). But of course, the spec
doesn't say how it should be parsed for the IBSS case.
Regards,
Chr
next prev parent reply other threads:[~2013-01-09 20:01 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-27 18:50 [PATCH] Allow to set WMM parameters in IBSS mode Simon Wunderlich
2012-11-27 18:50 ` [PATCH] nl80211: allow ad-hoc to set WMM parameters from outside Simon Wunderlich
2012-11-28 14:01 ` Johannes Berg
2012-11-30 13:43 ` Simon Wunderlich
2012-12-28 15:05 ` Johannes Berg
2012-12-30 23:33 ` Simon Wunderlich
2013-01-01 23:46 ` Adrian Chadd
2013-01-02 12:58 ` Johannes Berg
2013-01-02 13:36 ` Christian Lamparter
2013-01-02 14:41 ` Johannes Berg
2013-01-08 14:13 ` Simon Wunderlich
2013-01-08 17:28 ` Adrian Chadd
2013-01-09 13:15 ` Simon Wunderlich
2013-01-09 14:10 ` Christian Lamparter
2013-01-09 14:33 ` Simon Wunderlich
2013-01-09 20:01 ` Christian Lamparter [this message]
2012-11-27 18:50 ` [PATCH] iw: allow to set wmm parameters from iw Simon Wunderlich
2012-11-27 21:14 ` [PATCHv2] " Simon Wunderlich
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