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i40iw: Call i40iw_cm_disconn on modify QP to disconnect 

If QP modify to closing/terminate/error fails, connection is
not torn down as there is no corresponding asynchronous
event that will initiate the teardown.

Add explicit call to i40iw_cm_disconn if not waiting in
modify QP, otherwise schedule it in CM timer.

Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Shiraz Saleem 2017-09-19 09:19:11 -05:00 committed by Doug Ledford
parent 47fb3c1610
commit 471b370d52
1 changed files with 12 additions and 0 deletions
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12
drivers/infiniband/hw/i40iw/i40iw_verbs.c
View File

@ -1027,7 +1027,19 @@ int i40iw_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
iwqp->hw_tcp_state = I40IW_TCP_STATE_CLOSED;
iwqp->last_aeq = I40IW_AE_RESET_SENT;
spin_unlock_irqrestore(&iwqp->lock, flags);
i40iw_cm_disconn(iwqp);
}
} else {
spin_lock_irqsave(&iwqp->lock, flags);
if (iwqp->cm_id) {
if (atomic_inc_return(&iwqp->close_timer_started) == 1) {
iwqp->cm_id->add_ref(iwqp->cm_id);
i40iw_schedule_cm_timer(iwqp->cm_node,
(struct i40iw_puda_buf *)iwqp,
I40IW_TIMER_TYPE_CLOSE, 1, 0);
}
}
spin_unlock_irqrestore(&iwqp->lock, flags);
}
}
return 0;