On 2012-08-06 5:06 PM, Johannes Berg wrote:

On Mon, 2012-08-06 at 17:02 +0200, Felix Fietkau wrote:

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If you're going to require them to be bound to an AP though, where's the
difference to the current 4-addr AP_VLAN behaviour? It seems with that
you could actually implement a bound-to-AP-WDS entirely in userspace
since there's no requirement to actually go through the auth/assoc
sequence for hostapd to add the station entry?

Oh and if you actually do need WDS-type interfaces, maybe their role
should change to be virtual like AP_VLAN-type interfaces?

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The difference between WDS and 4-addr AP_VLAN is that WDS is AP<->AP,
not AP<->STA. I guess it would be possible to write some code to create
AP VLANs + station entries for remote APs based on cooked monitor mode
based discovery or some form of mgmt frame exchange.

I was thinking just pre-configure it as you have to anyway now?

Well, when creating station entries manually, it has to know the HT
capabilities, etc.
With my incomplete fixes (which are being used on OpenWrt), those are
automatically extracted from the remote AP's beacons, so that needs less
preconfiguration.

- Felix