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SubjectRe: [PATCH v8 net-next 10/12] net: dsa: mv88e6xxx: mac-auth/MAB implementation
On Thu, Oct 20, 2022 at 10:20:50PM +0200, netdev@kapio-technology.com wrote:
> In general locked ports block traffic from a host based on if there is a
> FDB entry or not. In the non-offloaded case, there is only CPU assisted
> learning, so the normal learning mechanism has to be disabled as any
> learned entry will open the port for the learned MAC,vlan.

Does it have to be that way? Why can't BR_LEARNING on a BR_PORT_LOCKED
cause the learned FDB entries to have BR_FDB_LOCKED, and everything
would be ok in that case (the port will not be opened for the learned
MAC/VLAN)?

> Thus learning is off for locked ports, which of course includes MAB.
>
> So the 'learning' is based on authorizing MAC,vlan addresses, which
> is done by userspace daemons, e.g. hostapd or what could be called
> mabd.

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