udp: Generalize skb_udp_segment

[firefly-linux-kernel-4.4.55.git] / include / net / udp.h

diff --git a/include/net/udp.h b/include/net/udp.h
index 70f941368ace488dc93f4e78f81b1dca935cd87f..07f9b70962f64f0a7e80fe1ebbc81996be2d4567 100644 (file)
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -158,6 +158,24 @@ static inline __sum16 udp_v4_check(int len, __be32 saddr,
 void udp_set_csum(bool nocheck, struct sk_buff *skb,
                  __be32 saddr, __be32 daddr, int len);
 
+struct sk_buff **udp_gro_receive(struct sk_buff **head, struct sk_buff *skb,
+                                struct udphdr *uh);
+int udp_gro_complete(struct sk_buff *skb, int nhoff);
+
+static inline struct udphdr *udp_gro_udphdr(struct sk_buff *skb)
+{
+       struct udphdr *uh;
+       unsigned int hlen, off;
+
+       off  = skb_gro_offset(skb);
+       hlen = off + sizeof(*uh);
+       uh   = skb_gro_header_fast(skb, off);
+       if (skb_gro_header_hard(skb, hlen))
+               uh = skb_gro_header_slow(skb, hlen, off);
+
+       return uh;
+}
+
 /* hash routines shared between UDPv4/6 and UDP-Litev4/6 */
 static inline void udp_lib_hash(struct sock *sk)
 {
@@ -221,7 +239,8 @@ int udp_ioctl(struct sock *sk, int cmd, unsigned long arg);
 int udp_disconnect(struct sock *sk, int flags);
 unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait);
 struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,
-                                      netdev_features_t features);
+                                      netdev_features_t features,
+                                      bool is_ipv6);
 int udp_lib_getsockopt(struct sock *sk, int level, int optname,
                       char __user *optval, int __user *optlen);
 int udp_lib_setsockopt(struct sock *sk, int level, int optname,