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authorAmir Vadai <amir@vadai.me>2017-02-07 10:56:06 +0300
committerDavid S. Miller <davem@davemloft.net>2017-02-10 21:18:33 +0300
commitea6da4fd388a1eeab30d64da3eab3c5338714c74 (patch)
tree9f1e293f9716b781a1c099dfec6c68bb360cfae1 /include/linux/skbuff.h
parent58be2427da98a17426cff3d30c50e419781a230b (diff)
downloadlinux-ea6da4fd388a1eeab30d64da3eab3c5338714c74.tar.xz
net/skbuff: Introduce skb_mac_offset()
Introduce skb_mac_offset() that could be used to get mac header offset. Signed-off-by: Amir Vadai <amir@vadai.me> Reviewed-by: Or Gerlitz <ogerlitz@mellanox.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 f1adddc1c5ac..69ccd2636911 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2184,6 +2184,11 @@ static inline unsigned char *skb_mac_header(const struct sk_buff *skb)
return skb->head + skb->mac_header;
}
+static inline int skb_mac_offset(const struct sk_buff *skb)
+{
+ return skb_mac_header(skb) - skb->data;
+}
+
static inline int skb_mac_header_was_set(const struct sk_buff *skb)
{
return skb->mac_header != (typeof(skb->mac_header))~0U;