1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _UAPI_IF_TUNNEL_H_ 2 #ifndef _UAPI_IF_TUNNEL_H_
3 #define _UAPI_IF_TUNNEL_H_ 3 #define _UAPI_IF_TUNNEL_H_
4 4
5 #include <linux/types.h> 5 #include <linux/types.h>
6 #include <linux/if.h> 6 #include <linux/if.h>
7 #include <linux/ip.h> 7 #include <linux/ip.h>
8 #include <linux/in6.h> 8 #include <linux/in6.h>
9 #include <asm/byteorder.h> 9 #include <asm/byteorder.h>
10 10
11 11
12 #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0) 12 #define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
13 #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1) 13 #define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
14 #define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2) 14 #define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
15 #define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3) 15 #define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
16 #define SIOCGETPRL (SIOCDEVPRIVATE + 4) 16 #define SIOCGETPRL (SIOCDEVPRIVATE + 4)
17 #define SIOCADDPRL (SIOCDEVPRIVATE + 5) 17 #define SIOCADDPRL (SIOCDEVPRIVATE + 5)
18 #define SIOCDELPRL (SIOCDEVPRIVATE + 6) 18 #define SIOCDELPRL (SIOCDEVPRIVATE + 6)
19 #define SIOCCHGPRL (SIOCDEVPRIVATE + 7) 19 #define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
20 #define SIOCGET6RD (SIOCDEVPRIVATE + 8) 20 #define SIOCGET6RD (SIOCDEVPRIVATE + 8)
21 #define SIOCADD6RD (SIOCDEVPRIVATE + 9) 21 #define SIOCADD6RD (SIOCDEVPRIVATE + 9)
22 #define SIOCDEL6RD (SIOCDEVPRIVATE + 10) 22 #define SIOCDEL6RD (SIOCDEVPRIVATE + 10)
23 #define SIOCCHG6RD (SIOCDEVPRIVATE + 11) 23 #define SIOCCHG6RD (SIOCDEVPRIVATE + 11)
24 24
25 #define GRE_CSUM __cpu_to_be16(0x8000) 25 #define GRE_CSUM __cpu_to_be16(0x8000)
26 #define GRE_ROUTING __cpu_to_be16(0x4000) 26 #define GRE_ROUTING __cpu_to_be16(0x4000)
27 #define GRE_KEY __cpu_to_be16(0x2000) 27 #define GRE_KEY __cpu_to_be16(0x2000)
28 #define GRE_SEQ __cpu_to_be16(0x1000) 28 #define GRE_SEQ __cpu_to_be16(0x1000)
29 #define GRE_STRICT __cpu_to_be16(0x0800) 29 #define GRE_STRICT __cpu_to_be16(0x0800)
30 #define GRE_REC __cpu_to_be16(0x0700) 30 #define GRE_REC __cpu_to_be16(0x0700)
31 #define GRE_ACK __cpu_to_be16(0x0080) 31 #define GRE_ACK __cpu_to_be16(0x0080)
32 #define GRE_FLAGS __cpu_to_be16(0x0078) 32 #define GRE_FLAGS __cpu_to_be16(0x0078)
33 #define GRE_VERSION __cpu_to_be16(0x0007) 33 #define GRE_VERSION __cpu_to_be16(0x0007)
34 34
35 #define GRE_IS_CSUM(f) ((f) & GRE_CSU 35 #define GRE_IS_CSUM(f) ((f) & GRE_CSUM)
36 #define GRE_IS_ROUTING(f) ((f) & GRE_ROU 36 #define GRE_IS_ROUTING(f) ((f) & GRE_ROUTING)
37 #define GRE_IS_KEY(f) ((f) & GRE_KEY 37 #define GRE_IS_KEY(f) ((f) & GRE_KEY)
38 #define GRE_IS_SEQ(f) ((f) & GRE_SEQ 38 #define GRE_IS_SEQ(f) ((f) & GRE_SEQ)
39 #define GRE_IS_STRICT(f) ((f) & GRE_STR 39 #define GRE_IS_STRICT(f) ((f) & GRE_STRICT)
40 #define GRE_IS_REC(f) ((f) & GRE_REC 40 #define GRE_IS_REC(f) ((f) & GRE_REC)
41 #define GRE_IS_ACK(f) ((f) & GRE_ACK 41 #define GRE_IS_ACK(f) ((f) & GRE_ACK)
42 42
43 #define GRE_VERSION_0 __cpu_to_be16( 43 #define GRE_VERSION_0 __cpu_to_be16(0x0000)
44 #define GRE_VERSION_1 __cpu_to_be16( 44 #define GRE_VERSION_1 __cpu_to_be16(0x0001)
45 #define GRE_PROTO_PPP __cpu_to_be16( 45 #define GRE_PROTO_PPP __cpu_to_be16(0x880b)
46 #define GRE_PPTP_KEY_MASK __cpu_to_be32( 46 #define GRE_PPTP_KEY_MASK __cpu_to_be32(0xffff)
47 47
48 struct ip_tunnel_parm { 48 struct ip_tunnel_parm {
49 char name[IFNAMSIZ] 49 char name[IFNAMSIZ];
50 int link; 50 int link;
51 __be16 i_flags; 51 __be16 i_flags;
52 __be16 o_flags; 52 __be16 o_flags;
53 __be32 i_key; 53 __be32 i_key;
54 __be32 o_key; 54 __be32 o_key;
55 struct iphdr iph; 55 struct iphdr iph;
56 }; 56 };
57 57
58 enum { 58 enum {
59 IFLA_IPTUN_UNSPEC, 59 IFLA_IPTUN_UNSPEC,
60 IFLA_IPTUN_LINK, 60 IFLA_IPTUN_LINK,
61 IFLA_IPTUN_LOCAL, 61 IFLA_IPTUN_LOCAL,
62 IFLA_IPTUN_REMOTE, 62 IFLA_IPTUN_REMOTE,
63 IFLA_IPTUN_TTL, 63 IFLA_IPTUN_TTL,
64 IFLA_IPTUN_TOS, 64 IFLA_IPTUN_TOS,
65 IFLA_IPTUN_ENCAP_LIMIT, 65 IFLA_IPTUN_ENCAP_LIMIT,
66 IFLA_IPTUN_FLOWINFO, 66 IFLA_IPTUN_FLOWINFO,
67 IFLA_IPTUN_FLAGS, 67 IFLA_IPTUN_FLAGS,
68 IFLA_IPTUN_PROTO, 68 IFLA_IPTUN_PROTO,
69 IFLA_IPTUN_PMTUDISC, 69 IFLA_IPTUN_PMTUDISC,
70 IFLA_IPTUN_6RD_PREFIX, 70 IFLA_IPTUN_6RD_PREFIX,
71 IFLA_IPTUN_6RD_RELAY_PREFIX, 71 IFLA_IPTUN_6RD_RELAY_PREFIX,
72 IFLA_IPTUN_6RD_PREFIXLEN, 72 IFLA_IPTUN_6RD_PREFIXLEN,
73 IFLA_IPTUN_6RD_RELAY_PREFIXLEN, 73 IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
74 IFLA_IPTUN_ENCAP_TYPE, 74 IFLA_IPTUN_ENCAP_TYPE,
75 IFLA_IPTUN_ENCAP_FLAGS, 75 IFLA_IPTUN_ENCAP_FLAGS,
76 IFLA_IPTUN_ENCAP_SPORT, 76 IFLA_IPTUN_ENCAP_SPORT,
77 IFLA_IPTUN_ENCAP_DPORT, 77 IFLA_IPTUN_ENCAP_DPORT,
78 IFLA_IPTUN_COLLECT_METADATA, 78 IFLA_IPTUN_COLLECT_METADATA,
79 IFLA_IPTUN_FWMARK, 79 IFLA_IPTUN_FWMARK,
80 __IFLA_IPTUN_MAX, 80 __IFLA_IPTUN_MAX,
81 }; 81 };
82 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1) 82 #define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
83 83
84 enum tunnel_encap_types { 84 enum tunnel_encap_types {
85 TUNNEL_ENCAP_NONE, 85 TUNNEL_ENCAP_NONE,
86 TUNNEL_ENCAP_FOU, 86 TUNNEL_ENCAP_FOU,
87 TUNNEL_ENCAP_GUE, 87 TUNNEL_ENCAP_GUE,
88 TUNNEL_ENCAP_MPLS, 88 TUNNEL_ENCAP_MPLS,
89 }; 89 };
90 90
91 #define TUNNEL_ENCAP_FLAG_CSUM (1<<0) 91 #define TUNNEL_ENCAP_FLAG_CSUM (1<<0)
92 #define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1) 92 #define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1)
93 #define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2) 93 #define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2)
94 94
95 /* SIT-mode i_flags */ 95 /* SIT-mode i_flags */
96 #define SIT_ISATAP 0x0001 96 #define SIT_ISATAP 0x0001
97 97
98 struct ip_tunnel_prl { 98 struct ip_tunnel_prl {
99 __be32 addr; 99 __be32 addr;
100 __u16 flags; 100 __u16 flags;
101 __u16 __reserved; 101 __u16 __reserved;
102 __u32 datalen; 102 __u32 datalen;
103 __u32 __reserved2; 103 __u32 __reserved2;
104 /* data follows */ 104 /* data follows */
105 }; 105 };
106 106
107 /* PRL flags */ 107 /* PRL flags */
108 #define PRL_DEFAULT 0x0001 108 #define PRL_DEFAULT 0x0001
109 109
110 struct ip_tunnel_6rd { 110 struct ip_tunnel_6rd {
111 struct in6_addr prefix; 111 struct in6_addr prefix;
112 __be32 relay_prefix; 112 __be32 relay_prefix;
113 __u16 prefixlen; 113 __u16 prefixlen;
114 __u16 relay_prefixle 114 __u16 relay_prefixlen;
115 }; 115 };
116 116
117 enum { 117 enum {
118 IFLA_GRE_UNSPEC, 118 IFLA_GRE_UNSPEC,
119 IFLA_GRE_LINK, 119 IFLA_GRE_LINK,
120 IFLA_GRE_IFLAGS, 120 IFLA_GRE_IFLAGS,
121 IFLA_GRE_OFLAGS, 121 IFLA_GRE_OFLAGS,
122 IFLA_GRE_IKEY, 122 IFLA_GRE_IKEY,
123 IFLA_GRE_OKEY, 123 IFLA_GRE_OKEY,
124 IFLA_GRE_LOCAL, 124 IFLA_GRE_LOCAL,
125 IFLA_GRE_REMOTE, 125 IFLA_GRE_REMOTE,
126 IFLA_GRE_TTL, 126 IFLA_GRE_TTL,
127 IFLA_GRE_TOS, 127 IFLA_GRE_TOS,
128 IFLA_GRE_PMTUDISC, 128 IFLA_GRE_PMTUDISC,
129 IFLA_GRE_ENCAP_LIMIT, 129 IFLA_GRE_ENCAP_LIMIT,
130 IFLA_GRE_FLOWINFO, 130 IFLA_GRE_FLOWINFO,
131 IFLA_GRE_FLAGS, 131 IFLA_GRE_FLAGS,
132 IFLA_GRE_ENCAP_TYPE, 132 IFLA_GRE_ENCAP_TYPE,
133 IFLA_GRE_ENCAP_FLAGS, 133 IFLA_GRE_ENCAP_FLAGS,
134 IFLA_GRE_ENCAP_SPORT, 134 IFLA_GRE_ENCAP_SPORT,
135 IFLA_GRE_ENCAP_DPORT, 135 IFLA_GRE_ENCAP_DPORT,
136 IFLA_GRE_COLLECT_METADATA, 136 IFLA_GRE_COLLECT_METADATA,
137 IFLA_GRE_IGNORE_DF, 137 IFLA_GRE_IGNORE_DF,
138 IFLA_GRE_FWMARK, 138 IFLA_GRE_FWMARK,
139 IFLA_GRE_ERSPAN_INDEX, 139 IFLA_GRE_ERSPAN_INDEX,
140 IFLA_GRE_ERSPAN_VER, 140 IFLA_GRE_ERSPAN_VER,
141 IFLA_GRE_ERSPAN_DIR, 141 IFLA_GRE_ERSPAN_DIR,
142 IFLA_GRE_ERSPAN_HWID, 142 IFLA_GRE_ERSPAN_HWID,
143 __IFLA_GRE_MAX, 143 __IFLA_GRE_MAX,
144 }; 144 };
145 145
146 #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1) 146 #define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
147 147
148 /* VTI-mode i_flags */ 148 /* VTI-mode i_flags */
149 #define VTI_ISVTI ((__force __be16)0x0001) 149 #define VTI_ISVTI ((__force __be16)0x0001)
150 150
151 enum { 151 enum {
152 IFLA_VTI_UNSPEC, 152 IFLA_VTI_UNSPEC,
153 IFLA_VTI_LINK, 153 IFLA_VTI_LINK,
154 IFLA_VTI_IKEY, 154 IFLA_VTI_IKEY,
155 IFLA_VTI_OKEY, 155 IFLA_VTI_OKEY,
156 IFLA_VTI_LOCAL, 156 IFLA_VTI_LOCAL,
157 IFLA_VTI_REMOTE, 157 IFLA_VTI_REMOTE,
158 IFLA_VTI_FWMARK, 158 IFLA_VTI_FWMARK,
159 __IFLA_VTI_MAX, 159 __IFLA_VTI_MAX,
160 }; 160 };
161 161
162 #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1) 162 #define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
163 163
164 #ifndef __KERNEL__ 164 #ifndef __KERNEL__
165 /* Historically, tunnel flags have been define 165 /* Historically, tunnel flags have been defined as __be16 and now there are
166 * no free bits left. It is strongly advised t 166 * no free bits left. It is strongly advised to switch the already existing
167 * userspace code to the new *_BIT definitions 167 * userspace code to the new *_BIT definitions from down below, as __be16
168 * can't be simply cast to a wider type on LE 168 * can't be simply cast to a wider type on LE systems. All new flags and
169 * code must use *_BIT only. 169 * code must use *_BIT only.
170 */ 170 */
171 171
172 #define TUNNEL_CSUM __cpu_to_be16( 172 #define TUNNEL_CSUM __cpu_to_be16(0x01)
173 #define TUNNEL_ROUTING __cpu_to_be16( 173 #define TUNNEL_ROUTING __cpu_to_be16(0x02)
174 #define TUNNEL_KEY __cpu_to_be16( 174 #define TUNNEL_KEY __cpu_to_be16(0x04)
175 #define TUNNEL_SEQ __cpu_to_be16( 175 #define TUNNEL_SEQ __cpu_to_be16(0x08)
176 #define TUNNEL_STRICT __cpu_to_be16( 176 #define TUNNEL_STRICT __cpu_to_be16(0x10)
177 #define TUNNEL_REC __cpu_to_be16( 177 #define TUNNEL_REC __cpu_to_be16(0x20)
178 #define TUNNEL_VERSION __cpu_to_be16( 178 #define TUNNEL_VERSION __cpu_to_be16(0x40)
179 #define TUNNEL_NO_KEY __cpu_to_be16( 179 #define TUNNEL_NO_KEY __cpu_to_be16(0x80)
180 #define TUNNEL_DONT_FRAGMENT __cpu_to_be16( 180 #define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100)
181 #define TUNNEL_OAM __cpu_to_be16( 181 #define TUNNEL_OAM __cpu_to_be16(0x0200)
182 #define TUNNEL_CRIT_OPT __cpu_to_be16( 182 #define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400)
183 #define TUNNEL_GENEVE_OPT __cpu_to_be16( 183 #define TUNNEL_GENEVE_OPT __cpu_to_be16(0x0800)
184 #define TUNNEL_VXLAN_OPT __cpu_to_be16( 184 #define TUNNEL_VXLAN_OPT __cpu_to_be16(0x1000)
185 #define TUNNEL_NOCACHE __cpu_to_be16( 185 #define TUNNEL_NOCACHE __cpu_to_be16(0x2000)
186 #define TUNNEL_ERSPAN_OPT __cpu_to_be16( 186 #define TUNNEL_ERSPAN_OPT __cpu_to_be16(0x4000)
187 #define TUNNEL_GTP_OPT __cpu_to_be16( 187 #define TUNNEL_GTP_OPT __cpu_to_be16(0x8000)
188 188
189 #define TUNNEL_OPTIONS_PRESENT \ 189 #define TUNNEL_OPTIONS_PRESENT \
190 (TUNNEL_GENEVE_OPT | TUNNEL_VX 190 (TUNNEL_GENEVE_OPT | TUNNEL_VXLAN_OPT | TUNNEL_ERSPAN_OPT | \
191 TUNNEL_GTP_OPT) 191 TUNNEL_GTP_OPT)
192 #endif 192 #endif
193 193
194 enum { 194 enum {
195 IP_TUNNEL_CSUM_BIT = 0U, 195 IP_TUNNEL_CSUM_BIT = 0U,
196 IP_TUNNEL_ROUTING_BIT, 196 IP_TUNNEL_ROUTING_BIT,
197 IP_TUNNEL_KEY_BIT, 197 IP_TUNNEL_KEY_BIT,
198 IP_TUNNEL_SEQ_BIT, 198 IP_TUNNEL_SEQ_BIT,
199 IP_TUNNEL_STRICT_BIT, 199 IP_TUNNEL_STRICT_BIT,
200 IP_TUNNEL_REC_BIT, 200 IP_TUNNEL_REC_BIT,
201 IP_TUNNEL_VERSION_BIT, 201 IP_TUNNEL_VERSION_BIT,
202 IP_TUNNEL_NO_KEY_BIT, 202 IP_TUNNEL_NO_KEY_BIT,
203 IP_TUNNEL_DONT_FRAGMENT_BIT, 203 IP_TUNNEL_DONT_FRAGMENT_BIT,
204 IP_TUNNEL_OAM_BIT, 204 IP_TUNNEL_OAM_BIT,
205 IP_TUNNEL_CRIT_OPT_BIT, 205 IP_TUNNEL_CRIT_OPT_BIT,
206 IP_TUNNEL_GENEVE_OPT_BIT, /* OPT 206 IP_TUNNEL_GENEVE_OPT_BIT, /* OPTIONS_PRESENT */
207 IP_TUNNEL_VXLAN_OPT_BIT, /* OPT 207 IP_TUNNEL_VXLAN_OPT_BIT, /* OPTIONS_PRESENT */
208 IP_TUNNEL_NOCACHE_BIT, 208 IP_TUNNEL_NOCACHE_BIT,
209 IP_TUNNEL_ERSPAN_OPT_BIT, /* OPT 209 IP_TUNNEL_ERSPAN_OPT_BIT, /* OPTIONS_PRESENT */
210 IP_TUNNEL_GTP_OPT_BIT, /* OPT 210 IP_TUNNEL_GTP_OPT_BIT, /* OPTIONS_PRESENT */
211 211
212 IP_TUNNEL_VTI_BIT, 212 IP_TUNNEL_VTI_BIT,
213 IP_TUNNEL_SIT_ISATAP_BIT = IP_T 213 IP_TUNNEL_SIT_ISATAP_BIT = IP_TUNNEL_VTI_BIT,
214 214
215 /* Flags starting from here are not av 215 /* Flags starting from here are not available via the old UAPI */
216 IP_TUNNEL_PFCP_OPT_BIT, /* OPT 216 IP_TUNNEL_PFCP_OPT_BIT, /* OPTIONS_PRESENT */
217 217
218 __IP_TUNNEL_FLAG_NUM, 218 __IP_TUNNEL_FLAG_NUM,
219 }; 219 };
220 220
221 #endif /* _UAPI_IF_TUNNEL_H_ */ 221 #endif /* _UAPI_IF_TUNNEL_H_ */
222 222
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