[PATCH v2 0/7] ath10k: add copy engine fast path support

[Roman Yeryomin]

On 31 January 2016 at 08:31, Manoharan, Rajkumar
<rmanohar at qti.qualcomm.com> wrote:
>>> Below patchset adds fast path support for uplink traffic by bypassing
>>> HTC layer processing. This is enabled by making use of unused copy
>>> engine 5 to receive HTT messages directly from HIF layer. From initial
>>> validation in VHT80/5G mode TCP UL is improved to 900Mbps from ~840Mbps
>>> in conducted test.
>>>
>>
>>Hi Rajkumar,
>>
>>I'm very curious what hardware did you use to do the tests?
>>Because with Dragonfly+Peregrine 3x3 I'm able to get only ~550Mbps :(
>>
>
> Roman,
>
> It is verified in AP148 platform which IPQ8064 (1.4GHz dual core) platform.
> Throughput will be lower in low end systems like AP135 (unicore processor).

OK, but QSDK built with proprietary driver can reach 800Mbps at least.
900/800 Mbps difference is fine (ethernet software bridging is >900,
e.g.) but 900/550 Mbps difference is not fine, there must be something
ath10k is not doing or doing in a wrong way.

Regards,
Roman