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From: "Luis R. Rodriguez" <mcgrof@gmail.com>
Date: Thu, 3 Feb 2011 23:39:00 -0800
Message-ID: <AANLkTi=3L0TubSXvP2dDaKwUv9giQ21Z6pN=VvdpUPJC@mail.gmail.com>
Subject: Re: HOW TO enable UAPSD and WMM on ath9k
To: Mohammed Shafi <shafi.wireless@gmail.com>
Cc: Prigent Xavier MAPS LIS LANNION <labolis2@orange.fr>,
	linux-wireless@vger.kernel.org
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Sender: linux-wireless-owner@vger.kernel.org

On Wed, Feb 2, 2011 at 2:56 AM, Mohammed Shafi <shafi.wireless@gmail.com> wrote:
> On Wed, Feb 2, 2011 at 3:14 PM, Prigent Xavier MAPS LIS LANNION
> <labolis2@orange.fr> wrote:
>>
>> Hello ALL,
>>
>> I have an AR9280 on debian version 2.6.32. I tried to enable UAPSD and WMM on all queue but I can not. I install compat-
>> wirelless and load ath9k.
>> I saw with iw you can 't enable wmm or UAPSD. I remenbered with iwpriv you could do this but it does not work with this
>> driver.
>> I saw on" http://wireless.kernel.org/en/developers/Documentation/kerneldoc/include/net/mac80211.h" you could change WMM
>> and UAPSD value.So I decide to make change in source and header code
>> but it seems to be difficult and I does not understand all.
>> * @IEEE80211_HW_SUPPORTS_UAPSD:
>> * Hardware supports Unscheduled Automatic Power Save Delivery
>> * (U-APSD) in managed mode. The mode is configured with
>> * conf_tx() operation.
>
> UAPSD is not supported in ath9k.I am saying this based on looking at
> init.c of ath9k

You first need to add support for uAPSD to mac80211 for drivers which
need this completely in software, and then add it to ath9k.

  Luis