[ofa-general] More librdmacm stuff

[Steve Wise]

Doug Ledford wrote:
> On Thu, 2007-10-11 at 18:51 -0700, Sean Hefty wrote:
>>> I'm more referring to when you call rdma_bind_addr to bind to your
>>> device before you call rdma_connect.  In that instance, your address
>>> isn't for the eventual destination, but just to bind you to your local
>>> rdma device.  For that, an rdma_bind_dev that took an ibv context and a
>>> port number on that device would avoid having to specify an IP address
>>> that you don't really care about.
>> Maybe I'm missing something, but you would still use IP addressing to identify
>> the remote system, which requires IPoIB anyway.  My expectation is that the side
>> that calls rdma_connect() would usually call rdma_resolve_addr(), and not use
>> rdma_bind_addr().  This way the local device binding occurs based on the routing
>> tables to the remote address.
> 
> Think multiport cards and wanting to use a specific port (for load
> balancing or other reasons).
> 

But IP addresses associated with IPoIB and iWARP netdevs _do_ map to a 
specific port, yes?


> 
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