[OpenWrt-Devel] ath10k-ct 4.19 and IBSS

[Koen Vandeputte]

On 09.08.19 14:48, Ben Greear wrote:
> On 8/6/19 2:26 AM, Koen Vandeputte wrote:
>
>>>> Hi Ben,
>>>>
>>>> I finally managed to get to some time to properly take a look using 
>>>> a simple setup.
>>>>
>>>> Attached all required files to simulate the issue.
>>>>
>>>> I compiled the latest OpenWrt master state, (included a full 
>>>> wpa_supplicant and iperf tools) and ran the 2 starts.
>>>>
>>>> Attached also logs as seen from both boards simultaneously.
>>>>
>>>>
>>>> basically:
>>>>
>>>> - If the boards finally do link after lots of tries, it will have a 
>>>> >200ms latency and max speed of about 3Mbit.
>>>>
>>>> - The wpa_sup config file is the most basic RSN enabled config.
>>>>
>>>> - I also tried the current Master state with/without all custom 
>>>> pathes, but the result is the same.
>>>>
>>>> - wpa_supp also nags about some missing IE's
>>>>
>>>>
>>>> Hw used:
>>>>
>>>> - 2x RB-922UAGS containing a on-board ar988x, capable of 30dBm.
>>>>
>>>> - 2x standard 5GHz omni antennae
>>>>
>>>> - board seperation distance ca 6ft
>
> Can you reproduce without encryption enabled?  That makes it easier to 
> debug
> packet sniffs.
>
> If you just run ping traffic (or very slow speed tcp/udp), do you 
> still see the issues (like high
> latency, packet loss, poor on-air encoding rates, etc)?
>
currently rebuilding the setup. will get back on this asap.
> If I build you a debugging firmware, are you able and willing to 
> reproduce the problem and
> send me dmesg output as well as on-air packet sniff?
Very sure!
>
> Preferably, with generated traffic with unique packet sizes (ie, ever 
> increasing, random, or something like
> that, so I can more easily match up on-air frames with the debugging 
> output.
>
>
> I believe that the beacon issues are probably a symptom of some other 
> failure in the transmit and/or
> receive path.
>
> Thanks,
> Ben
>
Lets get this fixed! :-)

Koen


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