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Commit 747f1c6d authored by Shiraz Saleem's avatar Shiraz Saleem Committed by Doug Ledford
Browse files

i40iw: Correct CQ arming 



CQ is armed for solicited events only, ignoring other notification
flags. Correct this by arming for next and arming for solicited
event if IB_CQ_SOLICITED is set. Also protect CQ shadow area update
with spinlock.

Signed-off-by: default avatarShiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 61c78eea

drivers/infiniband/hw/i40iw/i40iw_verbs.c

+6 −3
Original line number Diff line number Diff line
@@ -2327,13 +2327,16 @@ static int i40iw_req_notify_cq(struct ib_cq *ibcq, 
{

	struct i40iw_cq *iwcq;

	struct i40iw_cq_uk *ukcq;

	enum i40iw_completion_notify cq_notify = IW_CQ_COMPL_SOLICITED;

	unsigned long flags;

	enum i40iw_completion_notify cq_notify = IW_CQ_COMPL_EVENT;



	iwcq = (struct i40iw_cq *)ibcq;

	ukcq = &iwcq->sc_cq.cq_uk;

	if (notify_flags == IB_CQ_NEXT_COMP)

		cq_notify = IW_CQ_COMPL_EVENT;

	if (notify_flags == IB_CQ_SOLICITED)

		cq_notify = IW_CQ_COMPL_SOLICITED;

	spin_lock_irqsave(&iwcq->lock, flags);

	ukcq->ops.iw_cq_request_notification(ukcq, cq_notify);

	spin_unlock_irqrestore(&iwcq->lock, flags);

	return 0;

}