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authorSteve Wise <swise@opengridcomputing.com>2016-07-29 08:38:46 -0700
committerDoug Ledford <dledford@redhat.com>2016-08-02 13:15:17 -0400
commit1b1a889dbb9f007bc8fc916f172701cd8b1f7098 (patch)
treea47b432d58c8b67a48d735d356ccb88cf57a8d3e /drivers/infiniband
parent12eb5137edecfd8fb6d23dacec2a3630e729736f (diff)
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index b3441af69573..28a76a5d6227 100644
--- 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);