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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/sched/sch_codel.c b/net/sched/sch_codel.c
index 2f9ab17db85a..de28f8e968e8 100644
--- a/net/sched/sch_codel.c
+++ b/net/sched/sch_codel.c
@@ -149,7 +149,7 @@ static int codel_change(struct Qdisc *sch, struct nlattr *opt)
         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);