wireless mcast updates, ic->ic_update_mcast

[Warren Block]

On Tue, 24 Jun 2014, Sean Bruno wrote:

> On Sat, 2014-06-21 at 12:47 -0700, Adrian Chadd wrote:
>> Well, it depends on what the hardware may want or desire to function
>> correctly. I've no idea what theose chips require for multicast
>> behaviour.
>
> I think that was kind of my point of bringing this up.  Only a handful
> of cards really implement the appropriate code.  Most of the rest,
> implement stub functions that hide a console print message indicating
> missing functionality.
>
> I propose nuking most of these stub functions and wrapping the console
> printf in a bootverbose.

FWIW, I agree.  That little error-that's-not-an-error is what new users 
see, and it obviously must be the problem.  So not only is it not
helping, it often distracts from real problems.