[ewg] [PATCH RFC v3] RDMA/CMA: Allocate PS_TCP ports from the host TCP port space.

[Tung, Chien Tin]

>> With the addition of getnam(), sin_port is filled in with 
>>the reserved port number and cma_any_port will evaluate to 
>>false and the reserved port will get used instead.

>So the only problem was carving a port from the proprietary ports pool 
>of the rdma-cm where a port was already allocated from the 
>network stack?

Another way to look at it is, we want rdma cm to use the port reserved 
by the allocated socket.  V3 addressed an issue with port 0 causing rdma cm 
to not use the reserved port.

Chien