1 files changed, 9 insertions, 41 deletions

diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index f8af98621179..847141cd900f 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -72,6 +72,7 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
 static int
 prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
 {
+	unsigned int len = qdisc_pkt_len(skb);
 	struct Qdisc *qdisc;
 	int ret;
 
@@ -88,7 +89,7 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
 
 	ret = qdisc_enqueue(skb, qdisc, to_free);
 	if (ret == NET_XMIT_SUCCESS) {
-		qdisc_qstats_backlog_inc(sch, skb);
+		sch->qstats.backlog += len;
 		sch->q.qlen++;
 		return NET_XMIT_SUCCESS;
 	}
@@ -220,7 +221,6 @@ static int prio_tune(struct Qdisc *sch, struct nlattr *opt,
 
 		qdisc_tree_reduce_backlog(child, child->q.qlen,
 					  child->qstats.backlog);
-		qdisc_put(child);
 	}
 
 	for (i = oldbands; i < q->bands; i++) {
@@ -230,6 +230,9 @@ static int prio_tune(struct Qdisc *sch, struct nlattr *opt,
 	}
 
 	sch_tree_unlock(sch);
+
+	for (i = q->bands; i < oldbands; i++)
+		qdisc_put(q->queues[i]);
 	return 0;
 }
 
@@ -251,7 +254,6 @@ static int prio_init(struct Qdisc *sch, struct nlattr *opt,
 
 static int prio_dump_offload(struct Qdisc *sch)
 {
-	struct net_device *dev = qdisc_dev(sch);
 	struct tc_prio_qopt_offload hw_stats = {
 		.command = TC_PRIO_STATS,
 		.handle = sch->handle,
@@ -263,21 +265,8 @@ static int prio_dump_offload(struct Qdisc *sch)
 			},
 		},
 	};
-	int err;
-
-	sch->flags &= ~TCQ_F_OFFLOADED;
-	if (!tc_can_offload(dev) || !dev->netdev_ops->ndo_setup_tc)
-		return 0;
-
-	err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_PRIO,
-					    &hw_stats);
-	if (err == -EOPNOTSUPP)
-		return 0;
 
-	if (!err)
-		sch->flags |= TCQ_F_OFFLOADED;
-
-	return err;
+	return qdisc_offload_dump_helper(sch, TC_SETUP_QDISC_PRIO, &hw_stats);
 }
 
 static int prio_dump(struct Qdisc *sch, struct sk_buff *skb)
@@ -309,43 +298,22 @@ static int prio_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
 {
 	struct prio_sched_data *q = qdisc_priv(sch);
 	struct tc_prio_qopt_offload graft_offload;
-	struct net_device *dev = qdisc_dev(sch);
 	unsigned long band = arg - 1;
-	bool any_qdisc_is_offloaded;
-	int err;
 
 	if (new == NULL)
 		new = &noop_qdisc;
 
 	*old = qdisc_replace(sch, new, &q->queues[band]);
 
-	if (!tc_can_offload(dev))
-		return 0;
-
 	graft_offload.handle = sch->handle;
 	graft_offload.parent = sch->parent;
 	graft_offload.graft_params.band = band;
 	graft_offload.graft_params.child_handle = new->handle;
 	graft_offload.command = TC_PRIO_GRAFT;
 
-	err = dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_PRIO,
-					    &graft_offload);
-
-	/* Don't report error if the graft is part of destroy operation. */
-	if (err && new != &noop_qdisc) {
-		/* Don't report error if the parent, the old child and the new
-		 * one are not offloaded.
-		 */
-		any_qdisc_is_offloaded = sch->flags & TCQ_F_OFFLOADED;
-		any_qdisc_is_offloaded |= new->flags & TCQ_F_OFFLOADED;
-		if (*old)
-			any_qdisc_is_offloaded |= (*old)->flags &
-						   TCQ_F_OFFLOADED;
-
-		if (any_qdisc_is_offloaded)
-			NL_SET_ERR_MSG(extack, "Offloading graft operation failed.");
-	}
-
+	qdisc_offload_graft_helper(qdisc_dev(sch), sch, new, *old,
+				   TC_SETUP_QDISC_PRIO, &graft_offload,
+				   extack);
 	return 0;
 }