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, 2 insertions, 2 deletions

diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c
index e12f997e1b4c..c9b9fcb53206 100644
--- a/net/sched/sch_fq.c
+++ b/net/sched/sch_fq.c
@@ -290,7 +290,7 @@ static struct sk_buff *fq_dequeue_head(struct Qdisc *sch, struct fq_flow *flow)
                 flow->head = skb->next;
                 skb->next = NULL;
                 flow->qlen--;
-                sch->qstats.backlog -= qdisc_pkt_len(skb);
+                qdisc_qstats_backlog_dec(sch, skb);
                 sch->q.qlen--;
         }
         return skb;
@@ -371,7 +371,7 @@ static int fq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
         f->qlen++;
         if (skb_is_retransmit(skb))
                 q->stat_tcp_retrans++;
-        sch->qstats.backlog += qdisc_pkt_len(skb);
+        qdisc_qstats_backlog_inc(sch, skb);
         if (fq_flow_is_detached(f)) {
                 fq_flow_add_tail(&q->new_flows, f);
                 if (time_after(jiffies, f->age + q->flow_refill_delay))