/usr/include/linux/if_tunnel.h is in linux-libc-dev 4.15.0-20.21.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _IF_TUNNEL_H_
#define _IF_TUNNEL_H_
#include <linux/types.h>
#include <linux/if.h>
#include <linux/ip.h>
#include <linux/in6.h>
#include <asm/byteorder.h>
#define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
#define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
#define SIOCGETPRL (SIOCDEVPRIVATE + 4)
#define SIOCADDPRL (SIOCDEVPRIVATE + 5)
#define SIOCDELPRL (SIOCDEVPRIVATE + 6)
#define SIOCCHGPRL (SIOCDEVPRIVATE + 7)
#define SIOCGET6RD (SIOCDEVPRIVATE + 8)
#define SIOCADD6RD (SIOCDEVPRIVATE + 9)
#define SIOCDEL6RD (SIOCDEVPRIVATE + 10)
#define SIOCCHG6RD (SIOCDEVPRIVATE + 11)
#define GRE_CSUM __cpu_to_be16(0x8000)
#define GRE_ROUTING __cpu_to_be16(0x4000)
#define GRE_KEY __cpu_to_be16(0x2000)
#define GRE_SEQ __cpu_to_be16(0x1000)
#define GRE_STRICT __cpu_to_be16(0x0800)
#define GRE_REC __cpu_to_be16(0x0700)
#define GRE_ACK __cpu_to_be16(0x0080)
#define GRE_FLAGS __cpu_to_be16(0x0078)
#define GRE_VERSION __cpu_to_be16(0x0007)
#define GRE_IS_CSUM(f) ((f) & GRE_CSUM)
#define GRE_IS_ROUTING(f) ((f) & GRE_ROUTING)
#define GRE_IS_KEY(f) ((f) & GRE_KEY)
#define GRE_IS_SEQ(f) ((f) & GRE_SEQ)
#define GRE_IS_STRICT(f) ((f) & GRE_STRICT)
#define GRE_IS_REC(f) ((f) & GRE_REC)
#define GRE_IS_ACK(f) ((f) & GRE_ACK)
#define GRE_VERSION_0 __cpu_to_be16(0x0000)
#define GRE_VERSION_1 __cpu_to_be16(0x0001)
#define GRE_PROTO_PPP __cpu_to_be16(0x880b)
#define GRE_PPTP_KEY_MASK __cpu_to_be32(0xffff)
struct ip_tunnel_parm {
char name[IFNAMSIZ];
int link;
__be16 i_flags;
__be16 o_flags;
__be32 i_key;
__be32 o_key;
struct iphdr iph;
};
enum {
IFLA_IPTUN_UNSPEC,
IFLA_IPTUN_LINK,
IFLA_IPTUN_LOCAL,
IFLA_IPTUN_REMOTE,
IFLA_IPTUN_TTL,
IFLA_IPTUN_TOS,
IFLA_IPTUN_ENCAP_LIMIT,
IFLA_IPTUN_FLOWINFO,
IFLA_IPTUN_FLAGS,
IFLA_IPTUN_PROTO,
IFLA_IPTUN_PMTUDISC,
IFLA_IPTUN_6RD_PREFIX,
IFLA_IPTUN_6RD_RELAY_PREFIX,
IFLA_IPTUN_6RD_PREFIXLEN,
IFLA_IPTUN_6RD_RELAY_PREFIXLEN,
IFLA_IPTUN_ENCAP_TYPE,
IFLA_IPTUN_ENCAP_FLAGS,
IFLA_IPTUN_ENCAP_SPORT,
IFLA_IPTUN_ENCAP_DPORT,
IFLA_IPTUN_COLLECT_METADATA,
IFLA_IPTUN_FWMARK,
__IFLA_IPTUN_VENDOR_BREAK, /* Ensure new entries do not hit the below. */
IFLA_IPTUN_FAN_MAP = 33,
__IFLA_IPTUN_MAX,
};
#define IFLA_IPTUN_MAX (__IFLA_IPTUN_MAX - 1)
enum tunnel_encap_types {
TUNNEL_ENCAP_NONE,
TUNNEL_ENCAP_FOU,
TUNNEL_ENCAP_GUE,
TUNNEL_ENCAP_MPLS,
};
#define TUNNEL_ENCAP_FLAG_CSUM (1<<0)
#define TUNNEL_ENCAP_FLAG_CSUM6 (1<<1)
#define TUNNEL_ENCAP_FLAG_REMCSUM (1<<2)
/* SIT-mode i_flags */
#define SIT_ISATAP 0x0001
struct ip_tunnel_prl {
__be32 addr;
__u16 flags;
__u16 __reserved;
__u32 datalen;
__u32 __reserved2;
/* data follows */
};
/* PRL flags */
#define PRL_DEFAULT 0x0001
struct ip_tunnel_6rd {
struct in6_addr prefix;
__be32 relay_prefix;
__u16 prefixlen;
__u16 relay_prefixlen;
};
enum {
IFLA_GRE_UNSPEC,
IFLA_GRE_LINK,
IFLA_GRE_IFLAGS,
IFLA_GRE_OFLAGS,
IFLA_GRE_IKEY,
IFLA_GRE_OKEY,
IFLA_GRE_LOCAL,
IFLA_GRE_REMOTE,
IFLA_GRE_TTL,
IFLA_GRE_TOS,
IFLA_GRE_PMTUDISC,
IFLA_GRE_ENCAP_LIMIT,
IFLA_GRE_FLOWINFO,
IFLA_GRE_FLAGS,
IFLA_GRE_ENCAP_TYPE,
IFLA_GRE_ENCAP_FLAGS,
IFLA_GRE_ENCAP_SPORT,
IFLA_GRE_ENCAP_DPORT,
IFLA_GRE_COLLECT_METADATA,
IFLA_GRE_IGNORE_DF,
IFLA_GRE_FWMARK,
IFLA_GRE_ERSPAN_INDEX,
__IFLA_GRE_MAX,
};
#define IFLA_GRE_MAX (__IFLA_GRE_MAX - 1)
/* VTI-mode i_flags */
#define VTI_ISVTI ((__be16)0x0001)
enum {
IFLA_VTI_UNSPEC,
IFLA_VTI_LINK,
IFLA_VTI_IKEY,
IFLA_VTI_OKEY,
IFLA_VTI_LOCAL,
IFLA_VTI_REMOTE,
IFLA_VTI_FWMARK,
__IFLA_VTI_MAX,
};
#define IFLA_VTI_MAX (__IFLA_VTI_MAX - 1)
enum {
IFLA_FAN_UNSPEC,
IFLA_FAN_MAPPING,
__IFLA_FAN_MAX,
};
#define IFLA_FAN_MAX (__IFLA_FAN_MAX - 1)
struct ifla_fan_map {
__be32 underlay;
__be32 overlay;
__u16 underlay_prefix;
__u16 overlay_prefix;
};
#endif /* _IF_TUNNEL_H_ */
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