[OpenWrt-Devel] RT5350F WiFi interface performance issue

[Zoltan Gyarmati]

Dear Koen&All

On 25.05.2018 14:33, Zoltan Gyarmati wrote:
> On 25.05.2018 14:03, Koen Vandeputte wrote:
>>
>>
>> On 2018-05-25 13:30, Zoltan Gyarmati wrote:
>>> Dear All,
>>>
>>>  I'm testing the current OpenWrt  (master/HEAD) on RT5350F 
>>> Olinuxino. Unfortunately the WiFi interface doesn't seem to work 
>>> properly in client mode. `iwinfo wlan0 scan` runs successfully and 
>>> shows my AP, but when i configure the interface as client and try to 
>>> connect, the authentication seems to be successful (according to 
>>> dmesg), but the wlan0 interface never gets IP address, even if i 
>>> explicitly call udhcpc. If i set a static IP address for wlan0, and 
>>> ping my AP, i have around 88% packet loss. There is no any relevant 
>>> message in dmesg which could give a hint about the reason.
>>>
>>> As a counter-check, i flashed the an old OpenWrt image from the HW 
>>> vendor with kernel 3.18, and with that one the WiFi interface works 
>>> properly.
>>> Does anyone else experience similar issues (either on this or any 
>>> other RT5350F board)? Do you have any advice what to look into to 
>>> sort this out?
>>>
>>>
>>> Thanks,
>>>
>>
>> Hi,
>>
>> When you build master, did it already contain commit "hostapd: update 
>> to git HEAD of 2018-05-21, allow build against wolfssl" ?
>> Could you also try to build the 18.06 which does not contain this one 
>> and compare?
>>
>> You never know..
>
> No, it didn't have that commit yet. Now i build an image with this new 
> hostapd version and  I'll report. Thanks for the hint!

It's the same behavior with the newer hostapd version as well. It seems 
I'll have to look into how to debug WiFi performance issues...


>
>>
>>
>> Koen
>>
>> [1] 
>> https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=69f544937f8498e856690f9809a016f0d7f5f68b
>>
>>
>>
>>
>
Regards,

Zoltan Gyarmati
https://zgyarmati.de


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