Virtual Interface for P2P operations

Johannes Berg johannes at sipsolutions.net
Fri Jul 22 13:59:01 EDT 2011


On Fri, 2011-07-22 at 20:57 +0300, Jouni Malinen wrote:
> On Fri, Jul 22, 2011 at 09:51:24AM -0700, Henry Ptasinski wrote:
> > On 07/22/2011 05:44 AM, Johannes Berg wrote:
> > >wpa_supplicant calls this the WPA_IF_P2P_GROUP but I think the term "P2P device interface" would be more appropriate here.
> > 
> > Is this the P2P Device address or the P2P Interface address?  "P2P
> > device interface" is going to be a problematic name I think.
> 
> There seems to be some misunderstanding here.. WPA_IF_P2P_GROUP is not
> used as the separate P2P device interface (P2P Device Address); it is
> used for a P2P group interface (P2P Interface Address) when
> wpa_supplicant does not yet know what the eventual role will be. In
> other words, it is used during group owner negotiation when the local GO
> Intent is not 15. The interface needs to be added before the eventual
> role is negotiated since the P2P Interface Address is allocated when
> that netdev is added.

Oh, oops, my mistake! Thanks for the clarification.

johannes



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