1#ifndef _UAPI_IF_TUNNEL_H_
2#define _UAPI_IF_TUNNEL_H_
3
4#include <linux/types.h>
5#include <asm/byteorder.h>
6
7
8#define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
9#define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)
10#define SIOCDELTUNNEL   (SIOCDEVPRIVATE + 2)
11#define SIOCCHGTUNNEL   (SIOCDEVPRIVATE + 3)
12#define SIOCGETPRL      (SIOCDEVPRIVATE + 4)
13#define SIOCADDPRL      (SIOCDEVPRIVATE + 5)
14#define SIOCDELPRL      (SIOCDEVPRIVATE + 6)
15#define SIOCCHGPRL      (SIOCDEVPRIVATE + 7)
16#define SIOCGET6RD      (SIOCDEVPRIVATE + 8)
17#define SIOCADD6RD      (SIOCDEVPRIVATE + 9)
18#define SIOCDEL6RD      (SIOCDEVPRIVATE + 10)
19#define SIOCCHG6RD      (SIOCDEVPRIVATE + 11)
20
21#define GRE_CSUM	__cpu_to_be16(0x8000)
22#define GRE_ROUTING	__cpu_to_be16(0x4000)
23#define GRE_KEY		__cpu_to_be16(0x2000)
24#define GRE_SEQ		__cpu_to_be16(0x1000)
25#define GRE_STRICT	__cpu_to_be16(0x0800)
26#define GRE_REC		__cpu_to_be16(0x0700)
27#define GRE_FLAGS	__cpu_to_be16(0x00F8)
28#define GRE_VERSION	__cpu_to_be16(0x0007)
29
30struct ip_tunnel_parm {
31	char			name[IFNAMSIZ];
32	int			link;
33	__be16			i_flags;
34	__be16			o_flags;
35	__be32			i_key;
36	__be32			o_key;
37	struct iphdr		iph;
38};
39
40enum {
41	IFLA_IPTUN_UNSPEC,
42	IFLA_IPTUN_LINK,
43	IFLA_IPTUN_LOCAL,
44	IFLA_IPTUN_REMOTE,
45	IFLA_IPTUN_TTL,
46	IFLA_IPTUN_TOS,
47	IFLA_IPTUN_ENCAP_LIMIT,
48	IFLA_IPTUN_FLOWINFO,
49	IFLA_IPTUN_FLAGS,
50	IFLA_IPTUN_PROTO,
51	IFLA_IPTUN_PMTUDISC,
52	IFLA_IPTUN_6RD_PREFIX,
53	IFLA_IPTUN_6RD_RELAY_PREFIX,
54	IFLA_IPTUN_6RD_PREFIXLEN,
55	IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
56	IFLA_IPTUN_ENCAP_TYPE,
57	IFLA_IPTUN_ENCAP_FLAGS,
58	IFLA_IPTUN_ENCAP_SPORT,
59	IFLA_IPTUN_ENCAP_DPORT,
60	__IFLA_IPTUN_MAX,
61};
62#define IFLA_IPTUN_MAX	(__IFLA_IPTUN_MAX - 1)
63
64enum tunnel_encap_types {
65	TUNNEL_ENCAP_NONE,
66	TUNNEL_ENCAP_FOU,
67	TUNNEL_ENCAP_GUE,
68};
69
70#define TUNNEL_ENCAP_FLAG_CSUM		(1<<0)
71#define TUNNEL_ENCAP_FLAG_CSUM6		(1<<1)
72#define TUNNEL_ENCAP_FLAG_REMCSUM	(1<<2)
73
74/* SIT-mode i_flags */
75#define	SIT_ISATAP	0x0001
76
77struct ip_tunnel_prl {
78	__be32			addr;
79	__u16			flags;
80	__u16			__reserved;
81	__u32			datalen;
82	__u32			__reserved2;
83	/* data follows */
84};
85
86/* PRL flags */
87#define	PRL_DEFAULT		0x0001
88
89struct ip_tunnel_6rd {
90	struct in6_addr		prefix;
91	__be32			relay_prefix;
92	__u16			prefixlen;
93	__u16			relay_prefixlen;
94};
95
96enum {
97	IFLA_GRE_UNSPEC,
98	IFLA_GRE_LINK,
99	IFLA_GRE_IFLAGS,
100	IFLA_GRE_OFLAGS,
101	IFLA_GRE_IKEY,
102	IFLA_GRE_OKEY,
103	IFLA_GRE_LOCAL,
104	IFLA_GRE_REMOTE,
105	IFLA_GRE_TTL,
106	IFLA_GRE_TOS,
107	IFLA_GRE_PMTUDISC,
108	IFLA_GRE_ENCAP_LIMIT,
109	IFLA_GRE_FLOWINFO,
110	IFLA_GRE_FLAGS,
111	IFLA_GRE_ENCAP_TYPE,
112	IFLA_GRE_ENCAP_FLAGS,
113	IFLA_GRE_ENCAP_SPORT,
114	IFLA_GRE_ENCAP_DPORT,
115	IFLA_GRE_COLLECT_METADATA,
116	__IFLA_GRE_MAX,
117};
118
119#define IFLA_GRE_MAX	(__IFLA_GRE_MAX - 1)
120
121/* VTI-mode i_flags */
122#define VTI_ISVTI ((__force __be16)0x0001)
123
124enum {
125	IFLA_VTI_UNSPEC,
126	IFLA_VTI_LINK,
127	IFLA_VTI_IKEY,
128	IFLA_VTI_OKEY,
129	IFLA_VTI_LOCAL,
130	IFLA_VTI_REMOTE,
131	__IFLA_VTI_MAX,
132};
133
134#define IFLA_VTI_MAX	(__IFLA_VTI_MAX - 1)
135#endif /* _UAPI_IF_TUNNEL_H_ */
136