[ofa-general] two questions about RDMA_CM_EVENT_TIMEWAIT_EXIT and the TimeWait state

[Or Gerlitz]

On Tue, May 26, 2009 at 11:03 PM, Isaac Huang <He.Huang at sun.com> wrote:

> If rdma_destroy_qp is called on a QP before it exits the TimeWait state
> (i.e. after RDMA_CM_EVENT_DISCONNECTED but before
> RDMA_CM_EVENT_TIMEWAIT_EXIT), is it possible that a subsequent
> rdma_create_qp would reuse the same QP while it's still in TimeWait?


YES - as rdma_destroy/create_qp are basically  wrappers to
ib_destroy/create_qp and the latter two are not aware by any means to the QP
state from the CM point of view.


Or.
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