[ath10k] IBSS mode

[Michal Kazior]

On 27 January 2015 at 14:08, Sylvain ROGER RIEUNIER
<sylvain.roger.rieunier at gmail.com> wrote:
> I just made some tests with the ath10k driver in IBSS mode and I found
> several problems:
>
> 1) TSF management can't be done correctly. You can't make GET, SET or
> RESET actions, because no command is sent to the firmware. However the
> WMI_RTT_TSF_CMDID command exists. I tried some changes (see patch),
> but they did not produce any effect.

This isn't implemented in firmware 636 as far as I know.


> 2) Rate control update is not functional in the firmware. Data rate is
> stuck at 25 Mbit/s between an ath10k IBSS station and an ath9k IBSS
> station. However the rate control update works fine in mac80211 (I
> checked it thanks to IBSS debug msg) and IE HT settings are correctly
> transmitted on both side (I checked it using a third interface in
> monitor mode). The ath10k_wmi_peer_assoc command does not seem to work
> for reassoc state to update data rate.

Janusz has done some patches related to the hw rate control issues
with IBSS recently:

 https://github.com/kvalo/ath/commit/627d9841eaa623e34657af7af0e6293805e07888
 https://github.com/kvalo/ath/commit/55884c045d31a29cf69db8332d1064a1b61dd159


> Conclusion: the firmware seems incomplete for IBSS mode operation. Is
> there any planned development on the IBSS mode in the firmware?
>
> Note: I did my tests with the firmware-2.bin_999.999.0.636 firmware.

Ben has recently added IBSS support for his 10.1 firmware fork:

 http://thread.gmane.org/gmane.linux.drivers.ath10k.devel/1023/focus=1026

You might be interested in giving it a try.


Michał