[ath9k-devel] What is the expected throughput of ath9k with 20Mhz channel bandwidth?

On 01/07/16 04:31, Le Tran Dat wrote:
> I did TCP test within RF boxes.
> 
> The results seems right to me because my AR9342 is 2 streams and I can
> get 65-70.
> With your 9580, If I am not wrong, is 3 streams, you can get up to 95.
> 
> However, I am going to test 9558 to see how much it can go. I expected 2
> streams 20Mhz to get around 90Mbps.
> 
> Thanks,
> Dat
> 
> My AR9342 is 2 streams
> 
> On Wed, 29 Jun 2016 at 19:33 Matthias May <[email protected]
> <mailto:[email protected]>> wrote:
> 
>     On 29/06/16 13:01, Le Tran Dat wrote:
>     > Hi,
>     >
>     > I am testing AR9342 Throughput with 20Mhz channel bandwidth, using
>     > OpenWRT/LEDE firmware.
>     > However, the throughput result is quite low. About 65Mbps to 70Mbps
>     > while the bitrate is 144Mbps.
>     > While testing I monitor the CPU usage and it's still free for
>     about 30%.
>     > Is it the best it can do? How to improve it?
>     >
>     > Thanks,
>     > Dat
>     > --
>     > Thanks,
>     > Dat
>     >
>     > Sending from my iPhone
>     >
>     >
>     > _______________________________________________
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>     > ath9k-devel at lists.ath9k.org <mailto:[email protected]>
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>     >
> 
>     How are you testing this?
>     On an 9580 using iperf and sending in the VI queue i get around:
>     TCP: ~94Mbit/s
>     UDP: ~122Mbit/s
> 
>     BR
>     Matthias
>     _______________________________________________
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>     ath9k-devel at lists.ath9k.org <mailto:[email protected]>
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> 
> -- 
> Thanks,
> Dat
> 
> Sending from my iPhone

These numbers are with 2 streams.
With 3 streams i get
TCP: 140 Mbit/s
UDP: ~180Mbit/s

BR
Matthia