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Re: zd-mac80211: Fix TX status reports.

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On Tue, 2007-09-11 at 06:50 +0300, Tomas Winkler wrote:

> Receiving all ACKs packets will degraded performance greatly for sure,
> even on PCI interface.

Well, b43 gives you another way to get transmit status indication, you
don't have to receive ACKs

> Receving ACK can maybe allowed selectively only for management packets
> including EAPOLS in some synchronous way, yet this is still error
> prone.

Yeah that's the thing...

> It looks strange to me that there is no other HW mechanism that does that?
> Is this driver reverse engineered?

Sort of, from the driver they had published.

> However I liked the idea about
> 
> "An alternative option could be that the mac80211 stack would call
> a non-atomic function of the driver to report the total count of
> transmitted packets and the number of successful transmissions."
> 
> This mechanism will help us to implement aggregation rate scaling
> I would actually prefer if such statistics will be pushed by driver
> rather then pulled by mac though.

It doesn't help knowing whether the relevant packets were acked though.

johannes

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