[ath10k] IBSS mode

[Sylvain ROGER RIEUNIER]

With the main firmware, when starting  2 Ath10k stations, the stations
have different BSSID. The merge is not happening correctly. This is
due to a bad  scan and a Bad TSF management.
With CT Firmware The stations split didn't happen.

Sylvain

2015-01-28 3:06 GMT+01:00 Yeoh Chun-Yeow <yeohchunyeow at gmail.com>:
> For the rate control issue, please make sure that sta->sta.wme = true in ibss.c
>
> Refer the following:
> http://lists.infradead.org/pipermail/ath10k/2014-December/003982.html
>
> For CT firmware, you have mentioned that "association between stations
> works better". Can you elaborate that?
>
> ----
> Chun-Yeow
>
> On Tue, Jan 27, 2015 at 11:49 PM, Ben Greear <greearb at candelatech.com> wrote:
>>
>>
>> On 01/27/2015 05:55 AM, Sylvain ROGER RIEUNIER wrote:
>>>
>>> Dear Michal,
>>>
>>> I have already tried the CT firmware. Association between stations
>>> works better, But the rate control update is still broken.
>>> It does not work in HT mode.
>>
>>
>> Rate-ctrl is not a problem with the firmware....some users have reported
>> 700Mbps or so in IBSS mode with my firmware.
>>
>> I haven't managed to get kernel and supplicant properly patched for all
>> this yet..but will get it done eventually (and patches should make it up
>> stream sometime soon too I think).
>>
>> Thanks,
>> Ben
>>
>>
>>>
>>>
>>> Sylvain
>>>
>>> 2015-01-27 14:18 GMT+01:00 Michal Kazior <michal.kazior at tieto.com>:
>>>>
>>>> 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
>>>
>>>
>>> _______________________________________________
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>>> ath10k at lists.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/ath10k
>>>
>>
>> --
>> Ben Greear <greearb at candelatech.com>
>> Candela Technologies Inc  http://www.candelatech.com
>>
>>
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