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Re: ath9k, virtual stations, and WPA: No luck so far.

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On Tuesday 14 September 2010 00:38:14 Ben Greear wrote:
> I'm having no luck getting WPA to work with two STA interfaces
> on the same ath9k NIC.
>
> So far, I've done a bunch of hacking to only scan on the one
> channel that we're currently using if 1+ stations are associated,
> and some other logic to not call change-channel logic unnecessarily.
>
> Currently, I see wlan0 able to associate and authenticate with wpa_supplicant,
> but sta1 (the other STA interface), won't work.  A snippet from it's supplicant
> log is below.  No-encryption and WEP seems to work fine.
> If anyone has any suggestions as to where I should look to debug this,
> I'd welcome the pointers!

First things first: Have you tried your "idea" with mac80211_hwsim?
Also, have you disabled the hardware crypto accelerator? Because if
you spend one second to look at ath9k's set_key code, you "will see"
why the hardware has a problem dealing with multiple keys for a
single MAC (of your AP).

> I'll work on cleaning up the scan patch for review as well.
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