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-rw-r--r--include/net/udp.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/net/udp.h b/include/net/udp.h
index bb967dd59bf..67ea6fcb3ec 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -144,6 +144,17 @@ static inline __wsum udp_csum_outgoing(struct sock *sk, struct sk_buff *skb)
return csum;
}
+static inline __wsum udp_csum(struct sk_buff *skb)
+{
+ __wsum csum = csum_partial(skb_transport_header(skb),
+ sizeof(struct udphdr), skb->csum);
+
+ for (skb = skb_shinfo(skb)->frag_list; skb; skb = skb->next) {
+ csum = csum_add(csum, skb->csum);
+ }
+ return csum;
+}
+
/* hash routines shared between UDPv4/6 and UDP-Litev4/6 */
static inline void udp_lib_hash(struct sock *sk)
{
@@ -245,5 +256,5 @@ extern void udp4_proc_exit(void);
extern void udp_init(void);
extern int udp4_ufo_send_check(struct sk_buff *skb);
-extern struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, int features);
+extern struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, u32 features);
#endif /* _UDP_H */