RDMA/nes: Change state to closing after FIN

When the driver receives an AE for FIN received, it closes the
connection without changing the state of the connection in the
hardware to closing.  By changing the state to closing, hardware will
do a normal close sequence.

Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index f8233c851c694862d76861e515b93183b8d387a5..ba93a8be6bf6bd05374cc5230dae1a9665d96304 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -3468,6 +3468,18 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
                                return; /* Ignore it, wait for close complete */
 
                        if (atomic_inc_return(&nesqp->close_timer_started) == 1) {
+                               if ((tcp_state == NES_AEQE_TCP_STATE_CLOSE_WAIT) &&
+                                       (nesqp->ibqp_state == IB_QPS_RTS)) {
+                                       spin_lock_irqsave(&nesqp->lock, flags);
+                                       nesqp->hw_iwarp_state = iwarp_state;
+                                       nesqp->hw_tcp_state = tcp_state;
+                                       nesqp->last_aeq = async_event_id;
+                                       next_iwarp_state = NES_CQP_QP_IWARP_STATE_CLOSING;
+                                       nesqp->hw_iwarp_state = NES_AEQE_IWARP_STATE_CLOSING;
+                                       spin_unlock_irqrestore(&nesqp->lock, flags);
+                                       nes_hw_modify_qp(nesdev, nesqp, next_iwarp_state, 0, 0);
+                                       nes_cm_disconn(nesqp);
+                               }
                                nesqp->cm_id->add_ref(nesqp->cm_id);
                                schedule_nes_timer(nesqp->cm_node, (struct sk_buff *)nesqp,
                                                NES_TIMER_TYPE_CLOSE, 1, 0);
@@ -3477,7 +3489,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
                                                nesqp->hwqp.qp_id, atomic_read(&nesqp->refcount),
                                                async_event_id, nesqp->last_aeq, tcp_state);
                        }
-
                        break;
                case NES_AEQE_AEID_LLP_CLOSE_COMPLETE:
                        if (nesqp->term_flags) {