net_sched: factorize qdisc stats handling
HTB takes into account skb is segmented in stats updates.
Generalize this to all schedulers.
They should use qdisc_bstats_update() helper instead of manipulating
bstats.bytes and bstats.packets
Add bstats_update() helper too for classes that use
gnet_stats_basic_packed fields.
Note : Right now, TCQ_F_CAN_BYPASS shortcurt can be taken only if no
stab is setup on qdisc.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index aa8b531..de55e64 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -351,7 +351,6 @@
{
struct drr_sched *q = qdisc_priv(sch);
struct drr_class *cl;
- unsigned int len;
int err;
cl = drr_classify(skb, sch, &err);
@@ -362,7 +361,6 @@
return err;
}
- len = qdisc_pkt_len(skb);
err = qdisc_enqueue(skb, cl->qdisc);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
@@ -377,10 +375,8 @@
cl->deficit = cl->quantum;
}
- cl->bstats.packets++;
- cl->bstats.bytes += len;
- sch->bstats.packets++;
- sch->bstats.bytes += len;
+ bstats_update(&cl->bstats, skb);
+ qdisc_bstats_update(sch, skb);
sch->q.qlen++;
return err;