diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index fffdc603f4c..95ec28be683 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -103,7 +103,8 @@ extern int tc_classify_compat(struct sk_buff *skb, const struct tcf_proto *tp,
 			      struct tcf_result *res);
 extern int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 		       struct tcf_result *res);
-
+extern void tc_qdisc_flow_control(struct net_device *dev, u32 tcm_handle,
+				  int flow_enable);
 /* Calculate maximal size of packet seen by hard_start_xmit
    routine of this device.
  */
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 3d8981fde30..60e2fa9f194 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1029,6 +1029,35 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
 	return 0;
 }
 
+/*
+ * enable/disable flow on qdisc.
+ */
+void
+tc_qdisc_flow_control(struct net_device *dev, u32 tcm_handle, int enable_flow)
+{
+	struct Qdisc *q;
+	struct __qdisc_change_req {
+		struct nlattr attr;
+		struct tc_prio_qopt data;
+	} req =	{
+		.attr = {sizeof(struct __qdisc_change_req), TCA_OPTIONS},
+		.data = {3, {1, 2, 2, 2, 1, 2, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1}, 1}
+		};
+
+	/* override flow bit */
+	req.data.enable_flow = enable_flow;
+
+	/* look up using tcm handle */
+	q = qdisc_lookup(dev, tcm_handle);
+
+	/* call registered change function */
+	if (q) {
+		if (q->ops->change(q, &(req.attr)) != 0)
+			pr_err("tc_qdisc_flow_control: qdisc change failed");
+	}
+}
+EXPORT_SYMBOL(tc_qdisc_flow_control);
+
 /*
  * Create/change qdisc.
  */