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authorEric Dumazet <edumazet@google.com>2013-01-15 21:14:21 -0800
committerDavid S. Miller <davem@davemloft.net>2013-01-16 00:41:19 -0500
commit757b8b1d2bfa1210592bfd2984852b155eb58746 (patch)
tree39db2219a523ec8a99951b09eb7794e2e8c09317 /net/core/dev.c
parent247fa82be1301e4f89eaa5dc10be62a9cc84e8c5 (diff)
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>
Diffstat (limited to 'net/core/dev.c')
-rw-r--r--net/core/dev.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 862eaa744a5..b6d2b32933b 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