Unicast packets stop being transmitted to a particular station, under load, when WPA2 is enabled

[Dave Taht]

from what I see from reports on the ath9k list, and openwrt
I tend to think this problem is endemic, and not driver specific.

On Mon, May 19, 2014 at 2:04 PM, Adrian Chadd <adrian at freebsd.org> wrote:
> Hi,
>
> Bumping this up.
>
> Please don't let us forget. once I get access to the firmware source
> from Ben and QCA I'll do a hell of a lot more digging.
>
> Thanks,
>
>
>
> -a
>
>
> On 14 May 2014 23:12, Avery Pennarun <apenwarr at gmail.com> wrote:
>> On Wed, May 14, 2014 at 3:26 PM, Dave Taht <dave.taht at gmail.com> wrote:
>>> On Wed, May 14, 2014 at 12:07 PM, Avery Pennarun <apenwarr at gmail.com> wrote:
>>>> but meanwhile, I think I'm in a
>>>> big hurry so I probably want to just rip out all support for mapping
>>>> diffserv to QoS on the ath10k transmit side.  Does anyone have any
>>>> suggestions on where to look for my hack-and-slash operation?
>>>
>>> Tis easy to hack and slash it out of cfg80211_classify8021d in
>>> net/wireless/util.c
>>>
>>> Recently someone added a direct mapping from vlan priorities to wifi
>>> queues here - which is stupid, as the VO queue does not behave
>>> anything like the equivalent vlan priority queue does. I'd like to see
>>> that removed or mapped properly, also.
>>
>> Yup, replaced this function with 'return 0' and my problems are gone.
>> (Well okay, this problem is gone, and you're probably not interested
>> in my personal problems. :))
>>
>> Obviously just completely disabling QoS multiple queues is not the
>> right long term fix, but as Dave pointed out, it wasn't clear the code
>> there was exactly what we want anyway, so I won't feel too guilty
>> about it.  Meanwhile, hopefully someone with deeper knowledge than me
>> can figure out what's with the IVs.
>>
>> Thanks!
>>
>> Avery
>>
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-- 
Dave Täht

NSFW: https://w2.eff.org/Censorship/Internet_censorship_bills/russell_0296_indecent.article