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[SK_BUFF]: Introduce skb_transport_header(skb)

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For the places where we need a pointer to the transport header, it is
still legal to touch skb->h.raw directly if just adding to,
subtracting from or setting it to another layer header.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2007-04-25 18:04:18 -07:00
committed by David S. Miller
parent a27ef749e7
commit 9c70220b73
42 changed files with 129 additions and 102 deletions
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5
net/ipv4/xfrm4_mode_transport.c
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@@ -45,10 +45,11 @@ static int xfrm4_transport_output(struct xfrm_state *x, struct sk_buff *skb)
*/
static int xfrm4_transport_input(struct xfrm_state *x, struct sk_buff *skb)
{
int ihl = skb->data - skb->h.raw;
int ihl = skb->data - skb_transport_header(skb);
if (skb->h.raw != skb->nh.raw) {
memmove(skb->h.raw, skb_network_header(skb), ihl);
memmove(skb_transport_header(skb),
skb_network_header(skb), ihl);
skb->nh.raw = skb->h.raw;
}
ip_hdr(skb)->tot_len = htons(skb->len + ihl);