Re: [PATCH net-next 3/3] net: dsa: mv88e6xxx: mac-auth/MAB implementation

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On Fri, Mar 18, 2022 at 02:10:26PM +0100, Hans Schultz wrote:
> In the offloaded case there is no difference between static and dynamic
> flags, which I see as a general issue. (The resulting ATU entry is static
> in either case.)

It _is_ a problem. We had the same problem with the is_local bit.
Independently of this series, you can add the dynamic bit to struct
switchdev_notifier_fdb_info and make drivers reject it.

> These FDB entries are removed when link goes down (soft or hard). The
> zero DPV entries that the new code introduces age out after 5 minutes,
> while the locked flagged FDB entries are removed by link down (thus the
> FDB and the ATU are not in sync in this case).

Ok, so don't let them disappear from hardware, refresh them from the
driver, since user space and the bridge driver expect that they are
still there.



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