Commit 04fb451e authored by Michał Mirosław's avatar Michał Mirosław Committed by David S. Miller

net: Introduce skb_checksum_start_offset()

Introduce skb_checksum_start_offset() to replace repetitive calculation.
Signed-off-by: default avatarMichał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent bc2ce894
...@@ -1355,6 +1355,11 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset) ...@@ -1355,6 +1355,11 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset)
} }
#endif /* NET_SKBUFF_DATA_USES_OFFSET */ #endif /* NET_SKBUFF_DATA_USES_OFFSET */
static inline int skb_checksum_start_offset(const struct sk_buff *skb)
{
return skb->csum_start - skb_headroom(skb);
}
static inline int skb_transport_offset(const struct sk_buff *skb) static inline int skb_transport_offset(const struct sk_buff *skb)
{ {
return skb_transport_header(skb) - skb->data; return skb_transport_header(skb) - skb->data;
......
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