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: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index b3441af69573282a62a5cb6d9376b26ad50a8ac9..28a76a5d622735ed22f21f87200c081c6a5313ef 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -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);