[openib-general] [RFC/PATCH v3] rdma/cma: add RDMA_PS_IPOIB port space

[Sean Hefty]

> I think we want to limit the ipoib port space to join/leave multicast groups. 
> Would there be any reason to support listen/connect/accept (i.e. SIDR) operations?

I was thinking of SIDR, but what about connected mode ipoib?  This could make 
the ipoib port space interesting, or require breaking it into two separate port 
spaces, or...  I'm only going to worry about multicast for now, unless there's a 
reason to consider other use.

- Sean