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net_sched: fix qdisc_pkt_len_init()

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commit 1def9238d4 (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>
This commit is contained in:
Eric Dumazet 2013-01-15 21:14:21 -08:00 committed by David S. Miller
parent 247fa82be1
commit 757b8b1d2b
1 changed files with 5 additions and 1 deletions
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6
net/core/dev.c
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@ -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