AdHoc (IBSS) on Nexus 7 (2013) connecting to one node only

[Jaco Joubert]

In the meantime I played a bit with CyanogenMod (which by the way does
use the prima driver compiled as part of the kernel.. not a dynamic
module).
I experienced limited success for my specific requirement.  I
sometimes have to re-configure the connection a couple of times before
it sets up correctly and allow traffic to other ad-hoc nodes in range.
And when it does and there are multiple other nodes on the ad-hoc
network, it only supports traffic to one (seems randomly chosen) node.

While I'm trying to get to the bottom of why it (prima driver) is
behaving like it is, I am also considering replacing the prima driver
with wcn36xx as a test.  I unfortunately have limited experience in
these sort of operations.  Are there any sort of guidelines I can
follow to to this replacement, or am I completely on my own?  I can
currently build CyanogenMod from source.  Basically need to rip out
prima and replace with wcn36xx.  Also not sure if wcn36xx can/should
be compiled as part of the kernel, or should it be a dynamically
loaded module.

The wcn36xx driver page has some instructions for doing this kind of
thing for the "Mako" device on CM10.1
(http://wireless.kernel.org/en/users/Drivers/wcn36xx#Mako_on_CM_10.1).
I am currently using the "deb" device on CM11 (M9).  I could attempt
to roughly follow the Mako guide, but I just don't want to do that if
I know up-front that my setup is too different.

Any assistance would be greatly appreciated.

On Wed, Jul 23, 2014 at 4:04 PM, YanBo <dreamfly281 at gmail.com> wrote:
> Hi Jaco,
>
> The Prima driver also not implemented the ADHOC support, but there are P2P
> support in you may have a reference,
> WCN36XX and prima are totally different in the driver architect (IE WCN26XX
> use the wireless MAC80211 but Prima has it own 80211 stack)and license, you
> need evaluation them based on your specify requirement.
>
> BR /Yanbo
>
>
> On Wed, Jul 23, 2014 at 12:42 AM, Jaco Joubert <jdjoubert at gmail.com> wrote:
>>
>> Thanks a lot for the responses.  I will investigate the prima driver as
>> well.
>>
>> I suppose its not fair to ask for an opinion between the 2 drivers on
>> this mailing list (wcn36xx vs prima), but maybe specifically related
>> to the Nexus 7 2013 device and CyanogenMod..
>> Should I rather try to get the prima driver behaving like I need, or
>> should I try replacing the prima driver with the wcn36xx driver?
>> Maybe someone has done this already for the specific device mentioned
>> and can give feedback on the outcome?
>>
>> On Tue, Jul 22, 2014 at 5:11 PM, Kalle Valo <kvalo at qca.qualcomm.com>
>> wrote:
>> > Jaco Joubert <jdjoubert at gmail.com> writes:
>> >
>> >> Apologies for my limited knowledge on this, but I'm not 100% sure!
>> >>
>> >> root at deb:/ # ls /sys/module/ | grep -E 'wcn|prima'
>> >> wcnss_ssr_8960
>> >> wcnsscore
>> >>
>> >> Does this mean wcn36xx?  Or how can I check?
>> >
>> > You should see wcn36xx module loaded. AFAIK CyanogenMod uses the prima
>> > driver and if you didn't compile wcn36xx yourself, you are most likely
>> > using the prima driver. And that driver is out of scope in this mailing
>> > list.
>> >
>> > --
>> > Kalle Valo
>>
>> _______________________________________________
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>> wcn36xx at lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/wcn36xx
>
>