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Commit 1b1a889d authored by Steve Wise's avatar Steve Wise Committed by Doug Ledford
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iw_cxgb4: explicitly move the qp to ERROR state during flush 



This forces the connection to abort if the application failed to
disconnect before flushing.  This is aligned with how the common
flush services work.

Signed-off-by: default avatarSteve Wise <swise@opengridcomputing.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 12eb5137

drivers/infiniband/hw/cxgb4/qp.c

+9 −0
Original line number Diff line number Diff line
@@ -1898,12 +1898,20 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, 
	return 0;

}



static void move_qp_to_err(struct c4iw_qp *qp)

{

	struct c4iw_qp_attributes attrs = { .next_state = C4IW_QP_STATE_ERROR };



	(void)c4iw_modify_qp(qp->rhp, qp, C4IW_QP_ATTR_NEXT_STATE, &attrs, 1);

}



void c4iw_drain_sq(struct ib_qp *ibqp)

{

	struct c4iw_qp *qp = to_c4iw_qp(ibqp);

	unsigned long flag;

	bool need_to_wait;



	move_qp_to_err(qp);

	spin_lock_irqsave(&qp->lock, flag);

	need_to_wait = !t4_sq_empty(&qp->wq);

	spin_unlock_irqrestore(&qp->lock, flag);
@@ -1918,6 +1926,7 @@ void c4iw_drain_rq(struct ib_qp *ibqp) 
	unsigned long flag;

	bool need_to_wait;



	move_qp_to_err(qp);

	spin_lock_irqsave(&qp->lock, flag);

	need_to_wait = !t4_rq_empty(&qp->wq);

	spin_unlock_irqrestore(&qp->lock, flag);