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Re: ath9k driver : Support for Continuous Test Tone mode

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Hi Julien,

Thanks so much for the pointers.

I back ported the patch at
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=89f927af7f3389e20c8ad24abfb3d1369f3ffc10
to the 3.12 kernel.

Now able to set the tx99 mode and configure the moni0 interface.

But I am not seeing any activity through the interface

moni0     Link encap:UNSPEC  HWaddr
00-0E-8E-45-02-DD-10-0B-00-00-00-00-00-00-00-00
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

Is there any test firmware to be placed at /lib/firmware/ ?

Thanks
Senthil


On Wed, Mar 1, 2017 at 2:59 AM, Julien Massot
<jmassot@xxxxxxxxxxxxxxxxxxxx> wrote:
> Hi Senthil,
>
>
> On Tue, Feb 28, 2017 at 9:02 PM, Senthilganapathy Paramasivam
> <senthilgp2020@xxxxxxxxx> wrote:
>>
>> Hi ,
>> One of our wireless embedded product is operating on Linux Kernel :
>> 3.12.19.
>>
>> This product has a 802.11 a/b/g/n Full-size Mini PCIe Card
>> EWM-W158F01E Which is based on atheros AR9592-AR1B Chipset. ath9k
>> driver supports this chip set.
>>
>> One of the compliance testing requirement is :
>> In the minimum transfer rate for power measurements, and at the
>> maximum rate for the other measurements, with the transmitter
>> operating with continuous transmission.
>>
>> I am looking for the test mode support in ath9k driver and user space
>> utility to invoke the test mode.
>>
>> 1. Configuring the atheros 9k driver in CONFIG_ATH9K_TX99 test mode
>>
>> https://github.com/torvalds/linux/commit/ef6b19e40f525777a0052956bf7d9a1985f74993
>> as per the log message the supported kernel is from 3.14-rc1
>> Latest Kernel 3.12.70 also does not have support for TX99 mode.
>
>
> You may want to try backport driver
> https://backports.wiki.kernel.org/index.php/Main_Page
>
>>
>> 2. User space utility to send the continuous tone
>> Some of the references using a special tool called Atheros test tool
>> for the user space utility.
>>   There is a reference to a windows based utility "Atheros Radio test
>> tool".
>>   Some documents refer to linux based atheros test tool but they are
>> based on wireless extensions.
>>   Searching for a similar utility did not yield any results.
>
>
> Please take a look at this commit message
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=89f927af7f3389e20c8ad24abfb3d1369f3ffc10
>
> I tested it successfully using an AR9462 adapter and a kernel 4.0.
>
> From what I understood from tx99_power parameter
> doing;
> echo 10 > /sys/kernel/debug/ieee80211/phy0/ath9k/tx99_power
> will set the tx power to 5 dBm
>
> http://pastebin.com/ANZwVmbp
>
>
> I'm almost sure that there is a version of ART for Linux somewhere but you
> may need to sign NDA, or special licence with QCA.
>
> Best Regards,
> Julien
>
>
>
>
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