net: sched: implement qstat helper routines
This adds helpers to manipulate qstats logic and replaces locations
that touch the counters directly. This simplifies future patches
to push qstats onto per cpu counters.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index fefeeb7..33d7a98 100644
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -232,7 +232,7 @@
while (sch->q.qlen > sch->limit) {
struct sk_buff *skb = __skb_dequeue(&sch->q);
- sch->qstats.backlog -= qdisc_pkt_len(skb);
+ qdisc_qstats_backlog_dec(sch, skb);
qdisc_drop(skb, sch);
}
qdisc_tree_decrease_qlen(sch, qlen - sch->q.qlen);