[panic] netmap(4) and if_lagg(4)

[Harry Schmalzbauer]

Bezüglich Vincenzo Maffione's Nachricht vom 25.05.2017 17:56 (localtime):
> I see the bug is in FreeBSD 11. I attached the simple patch to fix it.
> Can someone commit the patch to 11/stable?
> 
> Harry: You should be able to workaround the bug by setting
> 
> # sysctl dev.netmap.generic_rings=1

I'll recompile with your patch, thanks a lot!

> And yes, if_lagg(4) doesn't have native netmap support, like all the
> meta-drivers (e.g. vlan, tunnels, etc.).
> Point is that you should implement link aggregation in your application (in
> user-space).

Thanks for confirmation.
My problem is that I can't pass frames to guests without vlan filtering
first :-(

Focus is not on inter-VM-connection, but most efficient port usage _and_
vm-interconnection. The more I learn the less I know what to do ;-)

If I only had VF-capable hardware (actually VF-"supported" hardware,
82576 was SR-IOV enabled, but at the advent of 10GbE, SR-IOV support for
older chips was removed - where initially implemented - and of course
not implemented anywhere else).

-harry