Simon Barber wrote:
The purpose of the wlap0ap or wlap0mgmt interface is to communicate
between hostapd/wpa_supplicant and the kernel. What travels over this
interface is not quite pure 802.11 management frames - there is some
meta-data with each frame, and a few special case messages. E.G.
transmitted frames are returned back to user space to indicate
successful transmission (required so that the MLME state machine can be
correctly implemented in user space). I believe these messages form a
special management protocol between the kernel and user space, and that
netlink would be the best solution for this link. Switching to netlink
would allow these bogus 'network' interfaces to be removed alltogether.
Unfortunately I don't currently have the time to put together a patch to
do this.
Ok, I'll try to remember that this is waiting on defining a complete new
netlink API. I was just reading the code and this seemed odd, but I
agree that no network interface is really needed and hence it can stay
like this until we switch to a new API unifying it.
Thanks,
johannes
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