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
12size_t fou_encap_hlen(struct ip_tunnel_encap *e);
13size_t gue_encap_hlen(struct ip_tunnel_encap *e);
14
15int __fou_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
16		       u8 *protocol, __be16 *sport, int type);
17int __gue_build_header(struct sk_buff *skb, struct ip_tunnel_encap *e,
18		       u8 *protocol, __be16 *sport, int type);
19
20#endif