This file is indexed.

/usr/include/linux/if_tunnel.h is in linux-libc-dev 3.13.0-24.46.

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
#ifndef _IF_TUNNEL_H_
#define _IF_TUNNEL_H_

#include <linux/types.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_FLAGS	__cpu_to_be16(0x00F8)
#define GRE_VERSION	__cpu_to_be16(0x0007)

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_MAX,
};
#define IFLA_IPTUN_MAX	(__IFLA_IPTUN_MAX - 1)

/* 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_MAX,
};

#define IFLA_GRE_MAX	(__IFLA_GRE_MAX - 1)

/* VTI-mode i_flags */
#define VTI_ISVTI 0x0001

enum {
	IFLA_VTI_UNSPEC,
	IFLA_VTI_LINK,
	IFLA_VTI_IKEY,
	IFLA_VTI_OKEY,
	IFLA_VTI_LOCAL,
	IFLA_VTI_REMOTE,
	__IFLA_VTI_MAX,
};

#define IFLA_VTI_MAX	(__IFLA_VTI_MAX - 1)
#endif /* _IF_TUNNEL_H_ */