1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __NET_FOU_H 3 #define __NET_FOU_H 4 5 #include <linux/skbuff.h> 6 7 #include <net/flow.h> 8 #include <net/gue.h> 9 #include <net/ip_tunnels.h> 10 #include <net/udp.h> 11 12 size_t fou_encap_hlen(struct ip_tunnel_encap *e); 13 size_t gue_encap_hlen(struct ip_tunnel_encap *e); 14 15 int __fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e, 16 u8 *protocol, __be16 *sport, int type); 17 int __gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e, 18 u8 *protocol, __be16 *sport, int type); 19 20 int register_fou_bpf(void); 21 22 #endif 23