#pragma once
+typedef struct Tunnel Tunnel;
+
#include "networkd-netdev.h"
+typedef enum Ip6TnlMode {
+ NETDEV_IP6_TNL_MODE_IP6IP6,
+ NETDEV_IP6_TNL_MODE_IPIP6,
+ NETDEV_IP6_TNL_MODE_ANYIP6,
+ _NETDEV_IP6_TNL_MODE_MAX,
+ _NETDEV_IP6_TNL_MODE_INVALID = -1,
+} Ip6TnlMode;
+
+struct Tunnel {
+ NetDev meta;
+
+ uint8_t encap_limit;
+
+ int family;
+
+ unsigned ttl;
+ unsigned tos;
+ unsigned flags;
+
+ union in_addr_union local;
+ union in_addr_union remote;
+
+ Ip6TnlMode ip6tnl_mode;
+
+ bool pmtudisc;
+};
+
extern const NetDevVTable ipip_vtable;
extern const NetDevVTable sit_vtable;
extern const NetDevVTable vti_vtable;
extern const NetDevVTable gre_vtable;
+extern const NetDevVTable gretap_vtable;
+extern const NetDevVTable ip6gre_vtable;
+extern const NetDevVTable ip6gretap_vtable;
+extern const NetDevVTable ip6tnl_vtable;
+
+const char *ip6tnl_mode_to_string(Ip6TnlMode d) _const_;
+Ip6TnlMode ip6tnl_mode_from_string(const char *d) _pure_;
+
+int config_parse_ip6tnl_mode(const char *unit, const char *filename,
+ unsigned line, const char *section,
+ unsigned section_line, const char *lvalue,
+ int ltype, const char *rvalue, void *data,
+ void *userdata);