On 06/18/15 08:13, Jörg Krause wrote:
> Hi Arend,
>
> On Di, 2015-06-16 at 16:26 +0200, Arend van Spriel wrote:
>> On 06/16/15 11:59, Jörg Krause wrote:
>>> Hi Arend,
>>>
>>> as I wrote in my previous mail ("brcmfmac: brcmf_p2p_create_p2pdev:
>>> timeout occurred") I get a p2p0 interface when loading the brcmfmac
>>> module with p2pon=1 (Linux kernel 4.0.5, BCM43362).
>>>
>>> Unfortunatly, if I try to use the p2p0 interface with
>>> wpa_supplicant
>>> 2.4 I get an error:
>>>
>>>       Failed to create interface p2p-dev-p2p0: -28 (No space left on
>>>       device)
>>>       nl80211: Failed to create a P2P Device interface p2p-dev-p2p0
>>>       P2P: Failed to enable P2P Device interface
>>
>> Using p2pon=1 is old-school p2p, ie. it creates a regular netdev for
>> doing p2p management stuff. Problem is that brcmfmac also indicates
>> p2p
>> device support. We can remove p2pon parameter or not indicate p2p dev
>>
>> support when p2pon=1.
>
> I used p2pon because the p2p0 interface is not created without it. It
> fails with the error message "brcmf_p2p_create_p2pdev: timeout
> occurred" as written in my previous mails. I would prefer not to use
> it, so maybe we can find a solution how to get it working without it.

43362 firmware may have issues with regular p2p dev support so let's 
stick with p2pon for now.
>>
>> Can you patch brcmfmac and give it a try. Need to start
>> wpa_supplicant
>> for two interface and if I recall correctly p2p0 must be specified
>> first.
>
> Can you give me a hint where to patch brcmfmac. Many thanks!

Attached is patch against 4.0.5 kernel.

Regards,
Arend