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Re: [PATCH 06/12] wlcore: send EAPOL frames with voice priority

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On Tue, Sep 10, 2013 at 9:47 AM, Luca Coelho <luca@xxxxxxxxx> wrote:
> On Tue, 2013-09-03 at 17:34 +0300, Eliad Peller wrote:
>> From: Igal Chernobelsky <igalc@xxxxxx>
>>
>> Send EAPOL frames with voice priority by setting TX_HW_ATTR_EAPOL_FRAME
>> new bit in tx attribute. Sending EAPOL with voice priority fixes
>> re-key timeout during heavy traffic issue.
>>
>> Signed-off-by: Igal Chernobelsky <igalc@xxxxxx>
>> Signed-off-by: Eliad Peller <eliad@xxxxxxxxxx>
>> ---
>
> This seems to be the same problem that Ben had and debugged by himself
> [1].  Fixing this in hostapd/wpa_supplicant seems more appropriate?
>
> This patch seems to take an advantage of some sort of hack in the
> firmware that will change the priority by itself when the
> TX_HW_ATTR_EAPOL_GRAME bit is set.  If we have a good reason to use this
> patch, we need to take care of the firmware version as well.  This
> probably doesn't work with the latest published firmware.
>
> [1] http://mid.gmane.org/522E18E5.1020503@xxxxxxxxxxxxxxx

I believe he only fixed one mode (AP - hostapd) but not the other (GO
- wpa_supplicant). Anyway that's what we tested at the time.

Anyway marking it as this level doesn't do any harm. You're right
about the FW version though - it should be upstreamed first.

Arik
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