Re: Problems Configuring VHT160 and VHT80+80 for QCA9984

From: Sebastian Gottschall <s.gottschall@dd-wrt.com>
To: Robert Jones <rjones@gateworks.com>
Cc: ath10k <ath10k@lists.infradead.org>
Subject: Re: Problems Configuring VHT160 and VHT80+80 for QCA9984
Date: Fri, 12 Jan 2018 23:46:57 +0100	[thread overview]
Message-ID: <f6715e36-b6dc-4d1c-cb2b-45236f72a295@dd-wrt.com> (raw)
In-Reply-To: <CALAE=UD8Hampm2ue+J7b30aaF0Q4N3yDi4EWugY--T=jNPjvbw@mail.gmail.com>

i disagree with ben since his argument doesnt cover outdoor longrange 
links. 4x4 is worthless for long range links since dished are only
available with dual polarization feeds with allows only 2x2
the world isnt just made of plastic home routers

Am 12.01.2018 um 18:39 schrieb Robert Jones:
> On Fri, Jan 12, 2018 at 8:31 AM, Sebastian Gottschall
> <s.gottschall@dd-wrt.com> wrote:
>> Am 12.01.2018 um 16:28 schrieb Ben Greear:
>>>
>>> On 01/11/2018 05:46 PM, Robert Jones wrote:
>>>> Hello,
>>>>
>>>> I'm working with a WLE1216V5-20 ath10k wave 2 card using QCA9984
>>>> chipset and having problems configuring an AP for VHT160 or 80+80
>>>> mode. The hostapd v2.6 tool in both cases tells me that the "Driver
>>>> does not support configured VHT capability".
>>>>
>>>> I'm using the custom board and firmware .bin files found at
>>>> http://www.candelatech.com/ath10k-10.4.php. I see on the same page
>>>> that they recommend using one of Ben Greear's kernels but I would
>>>> prefer to stick with a mainline 4.14 if possible.
>>>>
>>>> Is this capability truly missing from the ath10k driver or am I
>>>> misconfiguring something in my hostapd.conf?
>>>>
>>>> If the former, can anyone point me to a patch set that I can apply to
>>>> the ath10k driver to support either of these two modes?
>>>
>>> Early on there was bugs in stock firmware for how it did VHT160
>>> vs how the driver thought it did.  I ended up fixing the CT firmware
>>> to match closer to how the driver wanted it done at the time, but
>>> I think that the driver has since changed.
>>>
>>> I have not had time (nor much interest) to try to make my firmware work
>>> again with stock
>>> driver for VHT160.
>>>
>>> Either way, VHT160 is almost completely worthless because it can only
>>> do 2x2 at VHT160, which is no faster than VHT80 at 4x4 but uses twice
>>> as much bandwidth.
> Right, I definitely agree. I suppose I just wanted to test my
> configuration in case one of our customers asked for an example.
> This is a strong argument regarding this card though.
>
>> remember my patch to get it to work with stock firmware :-)
>>>
>>> Thanks,
>>> Ben
>>>
>>>> Regards,
>>>> Robert Jones
>>>>
>>>> _______________________________________________
>>>> ath10k mailing list
>>>> ath10k@lists.infradead.org
>>>> http://lists.infradead.org/mailman/listinfo/ath10k
>>>>
>> --
>> Mit freundlichen Grüssen / Regards
>>
>> Sebastian Gottschall / CTO
>>
>> NewMedia-NET GmbH - DD-WRT
>> Firmensitz:  Stubenwaldallee 21a, 64625 Bensheim
>> Registergericht: Amtsgericht Darmstadt, HRB 25473
>> Geschäftsführer: Peter Steinhäuser, Christian Scheele
>> http://www.dd-wrt.com
>> email: s.gottschall@dd-wrt.com
>> Tel.: +496251-582650 / Fax: +496251-5826565
>>

-- 
Mit freundlichen Grüssen / Regards

Sebastian Gottschall / CTO

NewMedia-NET GmbH - DD-WRT
Firmensitz:  Stubenwaldallee 21a, 64625 Bensheim
Registergericht: Amtsgericht Darmstadt, HRB 25473
Geschäftsführer: Peter Steinhäuser, Christian Scheele
http://www.dd-wrt.com
email: s.gottschall@dd-wrt.com
Tel.: +496251-582650 / Fax: +496251-5826565

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