[brussels-dev] mac_update_reg <-> mac_maxsdu_update

[Artem Kachitchkine]

> there's never a need to change the min.
> However, the specific review input here was that we want to have
> functions of the form mac_<foo>_update, so if there was a need to
> update the min, we would have to add mac_minsdu_update. 

Right. I guess the intuitive feeling is that a set of get/set/update 
functions would apply to the same <foo>, so if there's 
mac_maxsdu_update, there's also mac_maxsdu_get. But maybe I'm too stuck 
on symmetry and should consider golden section :)

> The refresh functions, on the other hand,  are more complex: they invoke
> the callback refresh function provided to do a wider range of operations.
> For example, mac_multicst_refresh could add/remove a port to the
> aggregation, so that new multicast addrs could get added for the group

(reaches for advil) Okay, okay, I agree!

-Artem