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ba914908 | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
910773dc SH |
2 | #ifndef _IF_TUNNEL_H_ |
3 | #define _IF_TUNNEL_H_ | |
0bd17929 TF |
4 | |
5 | #include <linux/types.h> | |
3cad6e5f SH |
6 | #include <linux/if.h> |
7 | #include <linux/ip.h> | |
8 | #include <linux/in6.h> | |
8881ece5 | 9 | #include <asm/byteorder.h> |
67881151 | 10 | |
0bd17929 TF |
11 | |
12 | #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) | |
13 | #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) | |
14 | #define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2) | |
15 | #define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3) | |
3ea2fb98 SH |
16 | #define SIOCGETPRL (SIOCDEVPRIVATE + 4) |
17 | #define SIOCADDPRL (SIOCDEVPRIVATE + 5) | |
18 | #define SIOCDELPRL (SIOCDEVPRIVATE + 6) | |
19 | #define SIOCCHGPRL (SIOCDEVPRIVATE + 7) | |
ab322673 SH |
20 | #define SIOCGET6RD (SIOCDEVPRIVATE + 8) |
21 | #define SIOCADD6RD (SIOCDEVPRIVATE + 9) | |
22 | #define SIOCDEL6RD (SIOCDEVPRIVATE + 10) | |
23 | #define SIOCCHG6RD (SIOCDEVPRIVATE + 11) | |
0bd17929 | 24 | |
c40bba69 SH |
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) | |
380656f8 SH |
31 | #define GRE_ACK __cpu_to_be16(0x0080) |
32 | #define GRE_FLAGS __cpu_to_be16(0x0078) | |
c40bba69 | 33 | #define GRE_VERSION __cpu_to_be16(0x0007) |
0bd17929 | 34 | |
380656f8 SH |
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) | |
42 | ||
d9927247 | 43 | #define GRE_VERSION_0 __cpu_to_be16(0x0000) |
380656f8 SH |
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) | |
47 | ||
ab322673 | 48 | struct ip_tunnel_parm { |
0bd17929 TF |
49 | char name[IFNAMSIZ]; |
50 | int link; | |
51 | __be16 i_flags; | |
52 | __be16 o_flags; | |
53 | __be32 i_key; | |
54 | __be32 o_key; | |
55 | struct iphdr iph; | |
56 | }; | |
57 | ||
910773dc SH |
58 | enum { |
59 | IFLA_IPTUN_UNSPEC, | |
60 | IFLA_IPTUN_LINK, | |
61 | IFLA_IPTUN_LOCAL, | |
62 | IFLA_IPTUN_REMOTE, | |
63 | IFLA_IPTUN_TTL, | |
64 | IFLA_IPTUN_TOS, | |
65 | IFLA_IPTUN_ENCAP_LIMIT, | |
66 | IFLA_IPTUN_FLOWINFO, | |
67 | IFLA_IPTUN_FLAGS, | |
68 | IFLA_IPTUN_PROTO, | |
69 | IFLA_IPTUN_PMTUDISC, | |
70 | IFLA_IPTUN_6RD_PREFIX, | |
71 | IFLA_IPTUN_6RD_RELAY_PREFIX, | |
72 | IFLA_IPTUN_6RD_PREFIXLEN, | |
73 | IFLA_IPTUN_6RD_RELAY_PREFIXLEN, | |
dddfc7f6 SH |
74 | IFLA_IPTUN_ENCAP_TYPE, |
75 | IFLA_IPTUN_ENCAP_FLAGS, | |
76 | IFLA_IPTUN_ENCAP_SPORT, | |
77 | IFLA_IPTUN_ENCAP_DPORT, | |
e8a67bc4 | 78 | IFLA_IPTUN_COLLECT_METADATA, |
5b0aa887 | 79 | IFLA_IPTUN_FWMARK, |
910773dc SH |
80 | __IFLA_IPTUN_MAX, |
81 | }; | |
82 | #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1) | |
83 | ||
dddfc7f6 SH |
84 | enum tunnel_encap_types { |
85 | TUNNEL_ENCAP_NONE, | |
86 | TUNNEL_ENCAP_FOU, | |
87 | TUNNEL_ENCAP_GUE, | |
f53da99a | 88 | TUNNEL_ENCAP_MPLS, |
dddfc7f6 SH |
89 | }; |
90 | ||
91 | #define TUNNEL_ENCAP_FLAG_CSUM (1<<0) | |
92 | #define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1) | |
1c098687 | 93 | #define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2) |
dddfc7f6 | 94 | |
3ea2fb98 SH |
95 | /* SIT-mode i_flags */ |
96 | #define SIT_ISATAP 0x0001 | |
97 | ||
98 | struct ip_tunnel_prl { | |
99 | __be32 addr; | |
100 | __u16 flags; | |
101 | __u16 __reserved; | |
102 | __u32 datalen; | |
8007bfb5 | 103 | __u32 __reserved2; |
3ea2fb98 SH |
104 | /* data follows */ |
105 | }; | |
106 | ||
107 | /* PRL flags */ | |
108 | #define PRL_DEFAULT 0x0001 | |
109 | ||
ab322673 SH |
110 | struct ip_tunnel_6rd { |
111 | struct in6_addr prefix; | |
112 | __be32 relay_prefix; | |
113 | __u16 prefixlen; | |
114 | __u16 relay_prefixlen; | |
115 | }; | |
116 | ||
117 | enum { | |
05bfd165 SH |
118 | IFLA_GRE_UNSPEC, |
119 | IFLA_GRE_LINK, | |
120 | IFLA_GRE_IFLAGS, | |
121 | IFLA_GRE_OFLAGS, | |
122 | IFLA_GRE_IKEY, | |
123 | IFLA_GRE_OKEY, | |
124 | IFLA_GRE_LOCAL, | |
125 | IFLA_GRE_REMOTE, | |
126 | IFLA_GRE_TTL, | |
127 | IFLA_GRE_TOS, | |
128 | IFLA_GRE_PMTUDISC, | |
f2264071 SH |
129 | IFLA_GRE_ENCAP_LIMIT, |
130 | IFLA_GRE_FLOWINFO, | |
131 | IFLA_GRE_FLAGS, | |
dddfc7f6 SH |
132 | IFLA_GRE_ENCAP_TYPE, |
133 | IFLA_GRE_ENCAP_FLAGS, | |
134 | IFLA_GRE_ENCAP_SPORT, | |
135 | IFLA_GRE_ENCAP_DPORT, | |
8fcba79e | 136 | IFLA_GRE_COLLECT_METADATA, |
3b6d9ab2 | 137 | IFLA_GRE_IGNORE_DF, |
5b0aa887 | 138 | IFLA_GRE_FWMARK, |
fb14560b | 139 | IFLA_GRE_ERSPAN_INDEX, |
f82517f8 DA |
140 | IFLA_GRE_ERSPAN_VER, |
141 | IFLA_GRE_ERSPAN_DIR, | |
142 | IFLA_GRE_ERSPAN_HWID, | |
05bfd165 SH |
143 | __IFLA_GRE_MAX, |
144 | }; | |
145 | ||
146 | #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1) | |
147 | ||
a564b709 | 148 | /* VTI-mode i_flags */ |
76723fd1 | 149 | #define VTI_ISVTI ((__be16)0x0001) |
a564b709 SH |
150 | |
151 | enum { | |
152 | IFLA_VTI_UNSPEC, | |
153 | IFLA_VTI_LINK, | |
154 | IFLA_VTI_IKEY, | |
155 | IFLA_VTI_OKEY, | |
156 | IFLA_VTI_LOCAL, | |
157 | IFLA_VTI_REMOTE, | |
5b0aa887 | 158 | IFLA_VTI_FWMARK, |
a564b709 SH |
159 | __IFLA_VTI_MAX, |
160 | }; | |
161 | ||
162 | #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1) | |
fdce94d0 DA |
163 | |
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) | |
c81a173f | 179 | #define TUNNEL_GTPU_OPT __cpu_to_be16(0x8000) |
fdce94d0 DA |
180 | |
181 | #define TUNNEL_OPTIONS_PRESENT \ | |
182 | (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT) | |
183 | ||
910773dc | 184 | #endif /* _IF_TUNNEL_H_ */ |