From: Krishna Kumar <krkumar2@in.ibm.com>
To: netdev@vger.kernel.org
Cc: krkumar2@in.ibm.com, Krishna Kumar <krkumar2@in.ibm.com>
Subject: [PATCH] sched: teql_enqueue can check limits before skb enqueue
Date: Tue, 08 May 2007 13:01:24 +0530 [thread overview]
Message-ID: <20070508073124.17543.7859.sendpatchset@localhost.localdomain> (raw)
Optimize teql_enqueue so that it first checks limits before
enqueing.
Patch against net-2.6.22.git
Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
---
diff -ruNp org/net/sched/sch_teql.c new/net/sched/sch_teql.c
--- org/net/sched/sch_teql.c 2007-04-09 12:37:41.000000000 +0530
+++ new/net/sched/sch_teql.c 2007-04-09 12:39:15.000000000 +0530
@@ -94,14 +94,13 @@ teql_enqueue(struct sk_buff *skb, struct
struct net_device *dev = sch->dev;
struct teql_sched_data *q = qdisc_priv(sch);
- __skb_queue_tail(&q->q, skb);
- if (q->q.qlen <= dev->tx_queue_len) {
+ if (q->q.qlen < dev->tx_queue_len) {
+ __skb_queue_tail(&q->q, skb);
sch->bstats.bytes += skb->len;
sch->bstats.packets++;
return 0;
}
- __skb_unlink(skb, &q->q);
kfree_skb(skb);
sch->qstats.drops++;
return NET_XMIT_DROP;
next reply other threads:[~2007-05-08 7:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-08 7:31 Krishna Kumar [this message]
2007-05-09 1:57 ` [PATCH] sched: teql_enqueue can check limits before skb enqueue David Miller
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