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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
commit bbe735e424
18 changed files with 33 additions and 28 deletions
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5
include/linux/skbuff.h
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@ -965,6 +965,11 @@ static inline void skb_reset_network_header(struct sk_buff *skb)
skb->nh.raw = skb->data;
}
static inline int skb_network_offset(const struct sk_buff *skb)
{
return skb->nh.raw - skb->data;
}
static inline unsigned char *skb_mac_header(const struct sk_buff *skb)
{
return skb->mac.raw;