Systemd/src/network/netdev/tunnel.h
Tom Gundersen 441e9ae4d9 networkd: netdev - move to separate subdirectory
This could (and should) be made into a separate daemon, at least move
the sourcefiles out for now.
2016-11-13 05:16:49 +01:00

120 lines
4.1 KiB
C

#pragma once
/***
This file is part of systemd.
Copyright 2014 Tom Gundersen <teg@jklm.no>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "in-addr-util.h"
#include "netdev/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;
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;
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;
bool pmtudisc;
bool copy_dscp;
} 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);