4 #include <linux/skbuff.h>
8 #include <net/ip_tunnels.h>
11 size_t fou_encap_hlen(struct ip_tunnel_encap *e);
12 static size_t gue_encap_hlen(struct ip_tunnel_encap *e);
14 int fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
15 u8 *protocol, struct flowi4 *fl4);
16 int gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
17 u8 *protocol, struct flowi4 *fl4);