[IBAL] Only create CEPs for REQs that matched to a listen.

[IBAL] Only create CEPs for REQs that matched to a listen.

Currently, the CM creates a CEP for an incoming REQ before matching to either a listen or a Peer-to-Peer connection request.  As Peer-to-Peer is not supported, this means that CEPs are created before matching the incoming REQ to a listen.  In the case where there is no listen, this will result in CEPs being created, and then queued for destruction to the timewait timer callback.  Because the CEPs have a timewait time of zero, the timer callback runs as fast as REQs are received, severely affecting system responsiveness.

This patch moves the CEP creation after matching against listens, avoiding creation altogether if there is no listening endpoint.

Signed-off-by: Fab Tillier <ftillier@microsoft.com>
git-svn-id: svn://openib.tc.cornell.edu/gen1/trunk@2042 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86