Systemd/src/network/netdev/tunnel.h

117 lines
3.8 KiB
C

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
#include "in-addr-util.h"
#include "conf-parser.h"
#include "netdev/netdev.h"
#include "netdev/fou-tunnel.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;
typedef enum IPv6FlowLabel {
NETDEV_IPV6_FLOWLABEL_INHERIT = 0xFFFFF + 1,
_NETDEV_IPV6_FLOWLABEL_MAX,
_NETDEV_IPV6_FLOWLABEL_INVALID = -1,
} IPv6FlowLabel;
typedef struct Tunnel {
NetDev meta;
uint8_t encap_limit;
int family;
int ipv6_flowlabel;
int allow_localremote;
unsigned ttl;
unsigned tos;
unsigned flags;
uint32_t key;
uint32_t ikey;
uint32_t okey;
union in_addr_union local;
union in_addr_union remote;
Ip6TnlMode ip6tnl_mode;
FooOverUDPEncapType fou_encap_type;
bool pmtudisc;
bool copy_dscp;
bool independent;
bool fou_tunnel;
uint16_t encap_src_port;
uint16_t fou_destination_port;
struct in6_addr sixrd_prefix;
uint8_t sixrd_prefixlen;
} Tunnel;
DEFINE_NETDEV_CAST(IPIP, Tunnel);
DEFINE_NETDEV_CAST(GRE, Tunnel);
DEFINE_NETDEV_CAST(GRETAP, Tunnel);
DEFINE_NETDEV_CAST(IP6GRE, Tunnel);
DEFINE_NETDEV_CAST(IP6GRETAP, Tunnel);
DEFINE_NETDEV_CAST(SIT, Tunnel);
DEFINE_NETDEV_CAST(VTI, Tunnel);
DEFINE_NETDEV_CAST(VTI6, Tunnel);
DEFINE_NETDEV_CAST(IP6TNL, Tunnel);
extern const NetDevVTable ipip_vtable;
extern const NetDevVTable sit_vtable;
extern const NetDevVTable vti_vtable;
extern const NetDevVTable vti6_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);
int config_parse_tunnel_address(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);
int config_parse_ipv6_flowlabel(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);
int config_parse_encap_limit(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);
int config_parse_tunnel_key(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);
CONFIG_PARSER_PROTOTYPE(config_parse_6rd_prefix);