[ath9k-devel] Adhoc mode and chip reset issue with tp link wn721n/ath9k_htc drivers

[Oleksij Rempel <linux@rempel-privat.de>]

Am 04.04.2014 14:37, schrieb Harshal Vora:
> Hi Oleksij,
> 
> When the chipset goes into sleep mode and cannot come back due to errors
> like "Chip reset failed",
> we do not get any traffic inflow or outflow on that interface.
> 
> Is it safe to assume that when no traffic is visible on that interface,
> we can restart that interface.
> Is there any way to check that the device is in that particular failed
> state?

Only getting error log directly form FW will tell what exactly happens.
You will need solder TX and GND on the chip.
See https://wikidevi.com/wiki/AR9271

> ip link, ip addr, ifconfig all show that the link is UP, but tcpdump
> does not show any traffic.
> 
> Regards,
> 
> On 03/31/2014 02:40 PM, Harshal Vora wrote:
>> Hi Oleksij,
>>
>> I compared the initial few commits from wireless-testing repo with
>> 3.13.y branch of raspberry linux git repo. Seems like all of those
>> have been merged.
>>
>> I also specifically checked commits only for
>> /drivers/net/wireless/ath/ath9k folder and seems like they are also
>> present in the raspberry linux repo.
>>
>> So I assume all the changes should be there.
>>
>> If issues persist, then I will test with the wireless-testing repo as
>> well.
>>
>> Thanks,
>> Regards,
>>
>> On 03/31/2014 01:52 PM, Oleksij Rempel wrote:
>>> Am 31.03.2014 10:06, schrieb Harshal Vora:
>>>> Hi Oleksij,
>>>>
>>>> We will test with kernel version 3.13.7 and also the latest firmware.
>>> I assume we misunderstand each other. FW will work with older kernel
>>> versions and some bugs are fixed in 3.13. But only wireless-testing.git
>>> can detect some FW oopses, and has  changes which may affect AdHock
>>> mode.
>>> I recommend you to use wireless-testing.git or at least try to
>>> cherry-peak this changes.
>>>
>>
> 


-- 
Regards,
Oleksij

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