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[SK_BUFF]: Introduce skb_network_offset()

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For the quite common 'skb->nh.raw - skb->data' sequence.

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
2007-03-10 22:16:10 -03:00
committed by David S. Miller
parent e7dd65dafd
commit bbe735e424
18 changed files with 33 additions and 28 deletions
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4
net/ipv6/ip6_output.c
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@@ -89,7 +89,7 @@ static inline int ip6_output_finish(struct sk_buff *skb)
static int ip6_dev_loopback_xmit(struct sk_buff *newskb)
{
skb_reset_mac_header(newskb);
__skb_pull(newskb, newskb->nh.raw - newskb->data);
__skb_pull(newskb, skb_network_offset(newskb));
newskb->pkt_type = PACKET_LOOPBACK;
newskb->ip_summed = CHECKSUM_UNNECESSARY;
BUG_TRAP(newskb->dst);
@@ -1330,7 +1330,7 @@ int ip6_push_pending_frames(struct sock *sk)
/* move skb->data to ip header from ext header */
if (skb->data < skb->nh.raw)
__skb_pull(skb, skb->nh.raw - skb->data);
__skb_pull(skb, skb_network_offset(skb));
while ((tmp_skb = __skb_dequeue(&sk->sk_write_queue)) != NULL) {
__skb_pull(tmp_skb, skb->h.raw - skb->nh.raw);
*tail_skb = tmp_skb;