[openib-general] [RFC] [PATCH 2/7] ib_multicast 2.6.20: add ib_multicast module to track join requests from the same port

[Sean Hefty]

Roland Dreier wrote:
> We want a way for unprivileged userspace to be able to use multicast.
> Usually I say "just use a privileged daemon in userspace" but I think
> in this case we actually need coordination between the kernel and
> userspace to track _all_ multicast joins, so it does make sense for
> this to be in the kernel.

On this same thought, do you have an idea of an interface that you'd accept to 
export raw IB multicast support up to userspace?

- Sean