[thirdparty/systemd.git] / src / network / netdev / tunnel.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  Copyright © 2014 Tom Gundersen <teg@jklm.no>
***/

#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;
        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;

        bool pmtudisc;
        bool copy_dscp;
        bool independent;
} 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);
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
0ef6f454 LP	2	#pragma once
0ef6f454 LP	3
3be1d7e0	4	/***
96b2fb93	5	Copyright © 2014 Tom Gundersen <teg@jklm.no>
3be1d7e0 TG	6	***/
3be1d7e0 TG	7
634f0f98	8	#include "in-addr-util.h"
aa9f1140	9
441e9ae4	10	#include "netdev/netdev.h"
3be1d7e0	11
855ee1a1 SS	12	typedef enum Ip6TnlMode {
	13	NETDEV_IP6_TNL_MODE_IP6IP6,
	14	NETDEV_IP6_TNL_MODE_IPIP6,
	15	NETDEV_IP6_TNL_MODE_ANYIP6,
	16	_NETDEV_IP6_TNL_MODE_MAX,
	17	_NETDEV_IP6_TNL_MODE_INVALID = -1,
	18	} Ip6TnlMode;
	19
407af9dd SS	20	typedef enum IPv6FlowLabel {
	21	NETDEV_IPV6_FLOWLABEL_INHERIT = 0xFFFFF + 1,
	22	_NETDEV_IPV6_FLOWLABEL_MAX,
	23	_NETDEV_IPV6_FLOWLABEL_INVALID = -1,
	24	} IPv6FlowLabel;
	25
634f0f98	26	typedef struct Tunnel {
aa9f1140 TG	27	NetDev meta;
aa9f1140 TG	28
855ee1a1 SS	29	uint8_t encap_limit;
855ee1a1 SS	30
aa9f1140	31	int family;
6870b415	32	int ipv6_flowlabel;
3a4f3e42	33	int allow_localremote;
aa9f1140 TG	34
	35	unsigned ttl;
	36	unsigned tos;
855ee1a1 SS	37	unsigned flags;
855ee1a1 SS	38
1d710029 SS	39	uint32_t key;
	40	uint32_t ikey;
	41	uint32_t okey;
	42
aa9f1140 TG	43	union in_addr_union local;
aa9f1140 TG	44	union in_addr_union remote;
855ee1a1 SS	45
	46	Ip6TnlMode ip6tnl_mode;
	47
aa9f1140	48	bool pmtudisc;
a9b70f9d	49	bool copy_dscp;
4d7fa6de	50	bool independent;
634f0f98 ZJS	51	} Tunnel;
	52
	53	DEFINE_NETDEV_CAST(IPIP, Tunnel);
	54	DEFINE_NETDEV_CAST(GRE, Tunnel);
	55	DEFINE_NETDEV_CAST(GRETAP, Tunnel);
	56	DEFINE_NETDEV_CAST(IP6GRE, Tunnel);
	57	DEFINE_NETDEV_CAST(IP6GRETAP, Tunnel);
	58	DEFINE_NETDEV_CAST(SIT, Tunnel);
	59	DEFINE_NETDEV_CAST(VTI, Tunnel);
	60	DEFINE_NETDEV_CAST(VTI6, Tunnel);
	61	DEFINE_NETDEV_CAST(IP6TNL, Tunnel);
3be1d7e0 TG	62	extern const NetDevVTable ipip_vtable;
	63	extern const NetDevVTable sit_vtable;
	64	extern const NetDevVTable vti_vtable;
9011ce77	65	extern const NetDevVTable vti6_vtable;
3be1d7e0	66	extern const NetDevVTable gre_vtable;
1af2536a	67	extern const NetDevVTable gretap_vtable;
b16492f8 SS	68	extern const NetDevVTable ip6gre_vtable;
b16492f8 SS	69	extern const NetDevVTable ip6gretap_vtable;
855ee1a1 SS	70	extern const NetDevVTable ip6tnl_vtable;
	71
	72	const char *ip6tnl_mode_to_string(Ip6TnlMode d) _const_;
	73	Ip6TnlMode ip6tnl_mode_from_string(const char *d) _pure_;
	74
	75	int config_parse_ip6tnl_mode(const char unit, const char filename,
	76	unsigned line, const char *section,
	77	unsigned section_line, const char *lvalue,
	78	int ltype, const char rvalue, void data,
	79	void *userdata);
3b50bf80 SS	80
	81	int config_parse_tunnel_address(const char *unit,
	82	const char *filename,
	83	unsigned line,
	84	const char *section,
	85	unsigned section_line,
	86	const char *lvalue,
	87	int ltype,
	88	const char *rvalue,
	89	void *data,
	90	void *userdata);
407af9dd	91
407af9dd SS	92	int config_parse_ipv6_flowlabel(const char unit, const char filename,
	93	unsigned line, const char *section,
	94	unsigned section_line, const char *lvalue,
	95	int ltype, const char rvalue, void data,
	96	void *userdata);
b4828886 SS	97
	98	int config_parse_encap_limit(const char unit, const char filename,
	99	unsigned line, const char *section,
	100	unsigned section_line, const char *lvalue,
	101	int ltype, const char rvalue, void data,
	102	void *userdata);
1d710029 SS	103	int config_parse_tunnel_key(const char unit, const char filename,
	104	unsigned line, const char *section,
	105	unsigned section_line, const char *lvalue,
	106	int ltype, const char rvalue, void data,
	107	void *userdata);