Setting of WMM-PS (UAPSD) parameters from supplicant in STA mode

Atul Joshi Atul.Joshi at
Fri Aug 21 11:32:44 EDT 2015

Just one more question.
As I see uapsd_queues  parameter is not a part of mac80211 debugfs.c So should we be adding that?

-----Original Message-----
From: Krishna Chaitanya [mailto:chaitanya.mgit at] 
Sent: Friday, August 21, 2015 8:22 PM
To: Atul Joshi
Cc: hostap at
Subject: Re: Setting of WMM-PS (UAPSD) parameters from supplicant in STA mode

On Fri, Aug 21, 2015 at 7:56 PM, Atul Joshi <Atul.Joshi at> wrote:
> Hello,
> Wpa_cli command has SET uapsd option to set uapsd for various AC.
> Unfortunately I  could not find how these get down to cfg80211/mac80211 using NL80211 driver.
> I  can see that these are copied to params.uapsd and is calling 
> .associate which maps to wpa_driver_nl80211_associate But I could not find that these get down to the cfg80211/mac80211 in NL80211_CMD_ASSOCIATE command.
> Am I  missing something?
> The kernel driver registers with mac80211 to enable all ACs as uapsd but then we are not able to control which one to be enabled for UAPSD and which one to be kept legacy.
> Specifically according to WFA WMM-PS test plan (test 5.8)  we need to modify certain ACs to be uapsd and others legacy..
> How can we do that?
Why dont you use mac80211 debugfs? We can uapsd_queues parameter and choose individual uapsd status for each AC.

Chaitanya T K.

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