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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-03-10 22:16:10 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:24:58 -0700
commitbbe735e4247dba32568a305553b010081c8dea99 (patch)
tree95d96619c85785a47ccee48965b68d99cf946854 /include/linux/skbuff.h
parente7dd65dafda5737a983c04d652a69ab8da78ee3f (diff)
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[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>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 6440c78fe625..47cc8b07c2b4 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -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;