1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_IF_TUNNEL_H_
3 #define _UAPI_IF_TUNNEL_H_
5 #include <linux/types.h>
9 #include <asm/byteorder.h>
12 #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
13 #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
14 #define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
15 #define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
16 #define SIOCGETPRL (SIOCDEVPRIVATE + 4)
17 #define SIOCADDPRL (SIOCDEVPRIVATE + 5)
18 #define SIOCDELPRL (SIOCDEVPRIVATE + 6)
19 #define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
20 #define SIOCGET6RD (SIOCDEVPRIVATE + 8)
21 #define SIOCADD6RD (SIOCDEVPRIVATE + 9)
22 #define SIOCDEL6RD (SIOCDEVPRIVATE + 10)
23 #define SIOCCHG6RD (SIOCDEVPRIVATE + 11)
25 #define GRE_CSUM __cpu_to_be16(0x8000)
26 #define GRE_ROUTING __cpu_to_be16(0x4000)
27 #define GRE_KEY __cpu_to_be16(0x2000)
28 #define GRE_SEQ __cpu_to_be16(0x1000)
29 #define GRE_STRICT __cpu_to_be16(0x0800)
30 #define GRE_REC __cpu_to_be16(0x0700)
31 #define GRE_ACK __cpu_to_be16(0x0080)
32 #define GRE_FLAGS __cpu_to_be16(0x0078)
33 #define GRE_VERSION __cpu_to_be16(0x0007)
35 #define GRE_IS_CSUM(f) ((f) & GRE_CSUM)
36 #define GRE_IS_ROUTING(f) ((f) & GRE_ROUTING)
37 #define GRE_IS_KEY(f) ((f) & GRE_KEY)
38 #define GRE_IS_SEQ(f) ((f) & GRE_SEQ)
39 #define GRE_IS_STRICT(f) ((f) & GRE_STRICT)
40 #define GRE_IS_REC(f) ((f) & GRE_REC)
41 #define GRE_IS_ACK(f) ((f) & GRE_ACK)
43 #define GRE_VERSION_0 __cpu_to_be16(0x0000)
44 #define GRE_VERSION_1 __cpu_to_be16(0x0001)
45 #define GRE_PROTO_PPP __cpu_to_be16(0x880b)
46 #define GRE_PPTP_KEY_MASK __cpu_to_be32(0xffff)
48 struct ip_tunnel_parm {
65 IFLA_IPTUN_ENCAP_LIMIT,
70 IFLA_IPTUN_6RD_PREFIX,
71 IFLA_IPTUN_6RD_RELAY_PREFIX,
72 IFLA_IPTUN_6RD_PREFIXLEN,
73 IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
74 IFLA_IPTUN_ENCAP_TYPE,
75 IFLA_IPTUN_ENCAP_FLAGS,
76 IFLA_IPTUN_ENCAP_SPORT,
77 IFLA_IPTUN_ENCAP_DPORT,
78 IFLA_IPTUN_COLLECT_METADATA,
82 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
84 enum tunnel_encap_types {
91 #define TUNNEL_ENCAP_FLAG_CSUM (1<<0)
92 #define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1)
93 #define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2)
95 /* SIT-mode i_flags */
96 #define SIT_ISATAP 0x0001
98 struct ip_tunnel_prl {
108 #define PRL_DEFAULT 0x0001
110 struct ip_tunnel_6rd {
111 struct in6_addr prefix;
114 __u16 relay_prefixlen;
129 IFLA_GRE_ENCAP_LIMIT,
133 IFLA_GRE_ENCAP_FLAGS,
134 IFLA_GRE_ENCAP_SPORT,
135 IFLA_GRE_ENCAP_DPORT,
136 IFLA_GRE_COLLECT_METADATA,
139 IFLA_GRE_ERSPAN_INDEX,
142 IFLA_GRE_ERSPAN_HWID,
146 #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
148 /* VTI-mode i_flags */
149 #define VTI_ISVTI ((__force __be16)0x0001)
162 #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
164 #define TUNNEL_CSUM __cpu_to_be16(0x01)
165 #define TUNNEL_ROUTING __cpu_to_be16(0x02)
166 #define TUNNEL_KEY __cpu_to_be16(0x04)
167 #define TUNNEL_SEQ __cpu_to_be16(0x08)
168 #define TUNNEL_STRICT __cpu_to_be16(0x10)
169 #define TUNNEL_REC __cpu_to_be16(0x20)
170 #define TUNNEL_VERSION __cpu_to_be16(0x40)
171 #define TUNNEL_NO_KEY __cpu_to_be16(0x80)
172 #define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100)
173 #define TUNNEL_OAM __cpu_to_be16(0x0200)
174 #define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400)
175 #define TUNNEL_GENEVE_OPT __cpu_to_be16(0x0800)
176 #define TUNNEL_VXLAN_OPT __cpu_to_be16(0x1000)
177 #define TUNNEL_NOCACHE __cpu_to_be16(0x2000)
178 #define TUNNEL_ERSPAN_OPT __cpu_to_be16(0x4000)
180 #define TUNNEL_OPTIONS_PRESENT \
181 (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT)
183 #endif /* _UAPI_IF_TUNNEL_H_ */