[PATCH wireless-next v2 1/2] wifi: mac80211: Add eMLSR/eMLMR action frame parsing support

Johannes Berg johannes at sipsolutions.net
Tue Jan 27 01:39:12 PST 2026


On Tue, 2026-01-27 at 10:37 +0100, Lorenzo Bianconi wrote:
> 
> > OK, I guess the memcpy was right after all:
> > 
> >    An AP affiliated with the AP MLD that receives an EML Operating Mode
> >    Notification frame from a non-AP STA affiliated with the non-AP MLD
> >    should send an EML Operating Mode Notification frame to confirm the
> >    mode switch at the AP MLD to the non-AP STA with EML Control field
> >    set to the same value as EML Control field in the received EML
> >    Operating Mode Notification frame from the non-AP STA before the
> >    transition timeout expires.
> > 
> > But I think better restrict memcpy() then to just the EML Control field
> > and build the action header etc. directly.
> 
> I guess we can just memcpy() control field + link_bitmap (if present) +
> eMLMR Supported MCS and NSS Set subfiled (if present). Agree?

Well, the link bitmap and MCS set subfields are all _part_ of the EML
Control field, so I'd not phrase it that way, but yes.

johannes



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