[openib-general] [CM] what happen if the path in the REQ packet (primary or alternate) is not reversible?

[Sean Hefty]

dotanb at dev.mellanox.co.il wrote:
> The reason is that today there aren't many (any?) heterogeneous clusters
> with SDR and DDR nodes, but we need to be prepared ..

Would that affect whether a path is reversible?

> I think that if the CM doesn't support non reversible paths, at least it
> should fail to send the REQ in order to let the user understand that there
> is a problem ...

This would be easy enough to add.  The rdma cm should also only query for 
reversible paths.

- Sean