option directive and turning on AOE

[Andre Oppermann]

Brooks Davis wrote:
> 
> On Tue, Aug 31, 2004 at 02:27:33PM -0600, Scott Long wrote:
> > Sam wrote:
> >
> > >I've added code to if_ethersubr.c:/ether_demux/
> > >to queue up AoE frames as they appear.  I followed
> > >suit with other protocols and included my addition
> > >inside of an #ifdef AOE.  Where do I turn this on?
> > >I thought perhaps just adding an 'option AOE' to
> > >the config would do it, but it doesn't -- so clearly
> > >I don't understand how the option directive works.
> > >The config man page doesn't talk about option/device
> > >directives ...
> > >
> > >I'm still looking, but a clue would be well received.
> >
> > Did you modify /sys/conf/options to tell it about your
> > AOE option?  If so, then you should have specified the name
> > of a header file that the option would be #define'd into.
> > Include that header file in if_ethersubr.c and you should
> > have no problems.
> >
> > Incidentally, this might be an area when netgraph would be
> > useful.  Instead of having an AoE specific hook in the
> > stack, you could have an AoE netgraph module that uses the
> > existing netgraph hooks.  It's just an idea, though.
> 
> Another option might be a PFIL hook.  There isn't one there now, but I
> think I've seen talk of adding one.  Actually, if we did that, we could
> get most of the netgraph specific hooks out of the ethernet code.

What is AoE?  And what kind of Frames does it come in?

-- 
Andre