Tomas Winkler wrote:
On Feb 20, 2008 5:24 PM, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote:
Hi,
I've long thought about implementing APSD but it seems to require
setting the "more data" bit in an ACK frame and various other things.
Ron, I think you're the QoS expert, is that really how APSD works? If
so, does iwl firmware implement that?
We have uAPSD implementation, mainly AP part, yet again it for older
mac. It will take a bit time to merge it in
It's a mandatory feature for HT AP.
Really? Can you point where that's called out in the spec?
Also, does Atheros hardware implement that, and how? It doesn't look
like Broadcom firmware implements it, and I don't really understand how
one could implement it without many hardware queues, since it seems
timing critical to send out the frames to the station that is using
APSD.
Don't believe it's possible to that without HW support.
Sorry, this is incorrect; you can do UAPSD w/o any special h/w support.
Sam
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