#ifndef _UAPI_IF_TUNNEL_H_#define _UAPI_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 ((__force __be16)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 /* _UAPI_IF_TUNNEL_H_ */