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authorEric Dumazet <eric.dumazet@gmail.com>2011-01-09 08:30:54 +0000
committerDavid S. Miller <davem@davemloft.net>2011-01-10 16:07:54 -0800
commitbfe0d0298f2a67d94d58c39ea904a999aeeb7c3c (patch)
tree5a6f966ebabe8d88d6d6c78c61411e325150927f /net/sched/sch_drr.c
parentf1593d2298acca8b6680100d622911827edb8b0a (diff)
downloadlinux-bfe0d0298f2a67d94d58c39ea904a999aeeb7c3c.tar.gz
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>
Diffstat (limited to 'net/sched/sch_drr.c')
-rw-r--r--net/sched/sch_drr.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index aa8b5313f8cf..de55e642eafc 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -351,7 +351,6 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
 	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 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		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 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 		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;