From: Patrick McHardy <kaber@trash.net>
Date: Wed, 6 May 2009 23:45:07 +0000 (-0700)
Subject: net-sched: fix bfifo default limit
X-Git-Tag: v2.6.30-rc6~48^2~7
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=6473990c7f0565fca2007f8662395d122e30f0d8;p=~shefty%2Frdma-dev.git

net-sched: fix bfifo default limit

When no limit is given, the bfifo uses a default of tx_queue_len * mtu.
Packets handled by qdiscs include the link layer header, so this should
be taken into account, similar to what other qdiscs do.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index 92cfc9d7e3b..69188e8358b 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -51,7 +51,7 @@ static int fifo_init(struct Qdisc *sch, struct nlattr *opt)
 		u32 limit = qdisc_dev(sch)->tx_queue_len ? : 1;
 
 		if (sch->ops == &bfifo_qdisc_ops)
-			limit *= qdisc_dev(sch)->mtu;
+			limit *= psched_mtu(qdisc_dev(sch));
 
 		q->limit = limit;
 	} else {