Kalle,
It's just a problem of description only. We will not enable the TIM when we configure some of the ac as trigger enabled. However we will use the TIM when we enabled all the AC's.
-Thirumalai
-----Original Message-----
From: Valo, Kalle
Sent: Monday, January 09, 2012 5:17 PM
To: Johannes Berg
Cc: Pachamuthu, Thirumalai; linux-wireless@xxxxxxxxxxxxxxx; ath6kl-devel
Subject: Re: [PATCH 0/4] Enable uAPSD support in AP mode
On 01/09/2012 10:54 AM, Johannes Berg wrote:
> On Mon, 2012-01-09 at 13:14 +0530, Thirumalai wrote:
>> In addition to legacy power save, this series of patch adds support
>> for uAPSD in AP mode.
>>
>> When connected station goes into suspend state, the driver will start
>> queuing pkts in the separate queue (called uapsd queue) until the
>> station ask for it.
>>
>> The moment driver starting queuing, it will enable traffic indication
>> bit for the client connected to indicate data availability.
>> Once station ask for the data (via Trigger frame), the driver will
>> dequeue and send pkt one by one to the station.
>
> The way you describe this sounds incorrect, but I'll leave it to Kalle
> to figure out what you're doing and whether it is correct or not ...
> if only some ACs are trigger-enabled those don't influence the TIM bit.
Yeah, that does sound odd. Thirumalai, does the code really this way or is it just a problem with the description? (I need to study the code in detail still.)
Johannes, thanks for pointing this out.
Kalle
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