TX hang and EAPOL stuff fixed in HEAD; please test!

[Joshua Isom]

I just updated and so far it's working.  I had noticed dropped 
connections before by looking at my messages file.  It might take my a 
while to figure out if that's an antenna issue or an ath issue.  One 
issue is the "ath0: ath_edma_recv_proc_queue: handled npkts 0" spam 
issue.  Is that safe to comment out in the source and assume only you 
can really diagnose?

On 5/7/2013 10:09 PM, Adrian Chadd wrote:
> Hi!
>
> Would those using atheros NICs on -HEAD please update and give it a
> good thrashing?
>
> I've fixed a couple of things:
>
> * The driver was not able to transmit EAPOL frames if the send queue
> ran out of space. This is why my UDP TX tests were failing - the group
> rekey would kick in, fail to transmit the EAPOL "Yes I've done that"
> ack frame back to the AP and the AP would kick the station off.
> * I've modified the transmit path to always keep a link pointer around
> rather than NULL'ing it out and reinitialising TX DMA every time. This
> is the "blessed" way to handle DMA. However, I'm still trying to
> verify that I've actually done this correctly in all ways so I'd
> really like this tested.
>
> I'd like to start merging in my power save and reassociation fixes
> from my test branch but to do that I'd really like to have this code
> fully tested.
>
> Thanks!
>
>
>
>
> Adrian
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