Virtual Interface for P2P operations

Johannes Berg johannes at sipsolutions.net
Wed Jul 13 03:19:07 EDT 2011


On Tue, 2011-07-12 at 18:55 -0700, Jithu Jance wrote:
> Thanks Jouni for your feedback. Agree with your suggestion that using
> primary mac address for sending Tx NL_CMD_FRAME looks ugly and is not
> the correct way to do it. May be exposing a network interface for p2p
> device address interface would be a better approach and should work
> with current supplicant. I will try this way.  Thanks again for your
> valuable suggestions and sorry for the trouble.

I think the correct way to handle this, short of exposing a separate
netdev, would be to expose new nl80211 "start p2p" and "stop p2p"
operations that wpa_s could use. These might internally create a (maybe
hidden) netdev to use with the right operations.

Having the driver just expose an interface isn't really a good solution
imho, since for example its lifetime wouldn't be controlled the right
way.

johannes



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