[ath9k-devel] Slow connection when using eduroam (AR9285)

[Oleksij Rempel <linux@rempel-privat.de>]

Am 21.02.2014 22:54, schrieb Marco Andr? Dinis:
> Using kernel 3.14 ( 3.14.0-1-mainline) had no effect on performance
> improvement.
> 
> However, I did find something that can help.
> Today i connected at two different places and in one of them i had
> normal speeds.
> One of the places is relatively new (and probably has new WAPs, and
> probably those WAPs use 802.11n ).
> 
> I think the problem is that this driver does not work well under 802.11n
> 
> Is it possible to disable 802.11n and force the driver to use a previous
> mode?

I would suggest you to search where is actual regression.
Right now i have access to Asus Eeepc 1005HA with AR9285.
Kernel 3.13.0-994-generic. I get good speed with it:

netperf -H zwerg.local -t TCP_MAERTS
MIGRATED TCP MAERTS TEST from 0.0.0.0 () port 0 AF_INET to zwerg.lan ()
port 0 AF_INET : demo
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    10.00      94.00


netperf -H zwerg.local -t TCP_STREAM
MIGRATED TCP STREAM TEST from 0.0.0.0 () port 0 AF_INET to zwerg.lan ()
port 0 AF_INET : demo
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    10.05      93.99


-- 
Regards,
Oleksij

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