Throughput is very low

[Mamun Abu-Tair]

On 17 Jul 2014, at 12:38, Michal Kazior <michal.kazior at tieto.com> wrote:

> On 17 July 2014 13:35, Mamun Abu-Tair <ma86 at st-andrews.ac.uk> wrote:
>> Sorry forget to CC the ath10k mailing list
>> 
>> Begin forwarded message:
>> 
>> From: Mamun Abu-Tair <ma86 at st-andrews.ac.uk>
>> Subject: Re: Throughput is very low
>> Date: 17 July 2014 12:22:46 BST
>> To: Michal Kazior <michal.kazior at tieto.com>
>> 
>> Many thanks Micjhale,
>> 
>> On 17 Jul 2014, at 06:21, Michal Kazior <michal.kazior at tieto.com> wrote:
>> 
>> On 16 July 2014 18:01, Bart Jooris <Bart.Jooris at intec.ugent.be> wrote:
>> 
>> On 07/09/2014 04:22 PM, Mamun Abu-Tair wrote:
>> 
>> [...]
>> 
>> I have notice that Bit Rate keeps fixed 6 Mb/s . and it dose not
>> responding to any commands to change it.
>> 
>> 
>> While running iperf client on the station I can also retrieve the Tx bitrate
>> of 6Mbps with both iwconfig and 'iw wlanX station dump'. Version of iw has
>> some impact on the output too, I have version 3.15.  I don't know a tool
>> which shows the right info on the transmitting node...
>> But a third node which is configured as a sniffer shows Tx bitrate of
>> 1299.99Mbps :-)
>> 
>> 
>> The 6mbps tx rate reporting is due to firmware limitation.
>> 
>> You might want to check
>> /sys/kernel/debug/ieee80211/phyX/ath10k/fw_stats (replace phyX with
>> according phy of your ath10k device) instead.
>> 
>> 
>> I have checked the file and it has nothing on it. Is this normal ?!!!
> 
> If no ath10k interface is running (connected/associated) then fw_stats
> is empty. Run hostapd or connect to an AP and then check the file. If
> it's still empty make sure you update the driver (i.e. using
> backports).
> 
Well ,the fw_stats is still empty . After upgrading the driver the throughput dropped down from 180Mbit/s tp 60 Mbit/s :-(. 
the following is a new message I have got: 
[  509.831850] ath10k: peer-unmap-event: unknown peer id 2
Many thanks for your help. 


> 
> Michał