[PATCH 09/13] SME: Accept authentication frame from an MLD AP

[Johannes Berg]

On Wed, 2022-11-30 at 09:24 +0000, Otcheretianski, Andrei wrote:
> 
> 
> > There may be need to verify that EAPOL-Key msg 1/4 and 3/4 are
> > exchanged
> > on the same channel/link, so it would be good to have that available
> > for the
> > rekeying cases for both AP and STA sides.
> 
> There is already link_id in the nl80211 api for control port tx.
> Anyway, why is it required to rekey on the same link?

As I remember, for rekey that isn't required, we had some discussions
about this and someone had a contribution to the spec in this area etc.

For the initial 4-way-HS it is indeed required.

We do have the link ID everywhere though (if we know it).

johannes