[SK_BUFF]: Introduce skb_network_offset()

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

View File

@@ -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;