Bad TCP performance on WLE900VX

Sebastian Gottschall s.gottschall at dd-wrt.com
Fri Jan 12 00:56:22 PST 2018


Am 12.01.2018 um 02:24 schrieb Robert Jones:
>> Out of curiosity, did you try the patch that Kalle suggested?
> I did not unfortunately. I have other cards to qualify but if I can
> come back to this I'll post the results.
this patch wont change anything, since you still need to modify ath10k 
to set a sane tsq value
see this additional patch from lede
https://git.lede-project.org/?p=openwrt/openwrt.git;a=commitdiff;h=111b49902465116a8353d29afe02eff0f56ea0a3
>
> On Thu, Jan 11, 2018 at 2:50 PM, Ben Greear <greearb at candelatech.com> wrote:
>> On 01/10/2018 10:15 AM, Robert Jones wrote:
>>>> There are more tcp related hacks that make ath10k useful for
>>>> generating TCP traffic.  The tcp_tsq_limit_output_interval
>>>> one in particular is helpful
>>>
>>>> You can dig through my kernel and look for a commit related to
>>>> tcp_tsq_limit_output_interval.  Try setting it to 5 or higher.
>>>
>>> This solved the problem for me.
>>>
>>> Link to commit for anyone else looking:
>>>
>>> https://github.com/greearb/linux-ct-4.13/commit/dc201c3c310f805681dbf393484bdc9715745df1
>>
>> Out of curiosity, did you try the patch that Kalle suggested?
>>
>> I'd be curious how that performed in comparison...
>>
>>
>> Thanks,
>> Ben
>>
>>
>> --
>> Ben Greear <greearb at candelatech.com>
>> Candela Technologies Inc  http://www.candelatech.com
>>
>
>

-- 
Mit freundlichen Grüssen / Regards

Sebastian Gottschall / CTO

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