From 757b8b1d2bfa1210592bfd2984852b155eb58746 Mon Sep 17 00:00:00 2001
From: Eric Dumazet <edumazet@google.com>
Date: Tue, 15 Jan 2013 21:14:21 -0800
Subject: net_sched: fix qdisc_pkt_len_init()

commit 1def9238d4aa2 (net_sched: more precise pkt_len computation)
does a wrong computation of mac + network headers length, as it includes
the padding before the frame.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index 862eaa7..b6d2b32 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2776,8 +2776,12 @@ static void qdisc_pkt_len_init(struct sk_buff *skb)
 	 * we add to pkt_len the headers size of all segments
 	 */
 	if (shinfo->gso_size)  {
-		unsigned int hdr_len = skb_transport_offset(skb);
+		unsigned int hdr_len;
 
+		/* mac layer + network layer */
+		hdr_len = skb_transport_header(skb) - skb_mac_header(skb);
+
+		/* + transport layer */
 		if (likely(shinfo->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)))
 			hdr_len += tcp_hdrlen(skb);
 		else
-- 
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