[openib-general] Re: special qp's creation from userspace

[Hal Rosenstock]

On Tue, 2006-05-30 at 11:02, yipee wrote:
> Hal Rosenstock <halr <at> voltaire.com> writes:
> 
> > On Tue, 2006-05-30 at 05:35, yipee wrote:
> > > Can I use ib_mad_port_close() (mad.c) to close qp0 & qp1
> > 
> > Yes, that would close QP0/1 on each port. Just unloading the ib_mad
> > module will have that effect.
> 
> Would this unloading cause the port status to downgrade from ACTIVE to some
> other state?

>  Does ib_mad tell the active SM that it is going down?

With mthca, you can't unload ib_mad without unloading mthca as well so
this scheme won't work.

How would you call ib_mad_port_close ? It's not exposed to userspace.

> What would happen to active RC connections? Would they be affected by this?

I think we've discussed this on the list before.

-- Hal

> Thanks,
> x
> 
> 
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