[openib-general] [CM] [patch] add a check that paths are reversible when connecting RC QPs

[Sean Hefty]

Dotan Barak wrote:
> Because one can use a UC QP as a sender only sending any ack (at least 
> on this QP).
> But to be honest, i have a second thought on the check of the transport 
> type of the QP:
> maybe the CM should deny any setting of non reversible path for any QP,
> to let know the user that there may be a problem with this path ...
> 
> what do you think?

If the path is not reversible, then the CM REQ won't be able to reach the remote 
node.  To support non-reversible paths, I think we'll need to modify the API.

- Sean