#ifndef _IF_TUNNEL_H_
#define _IF_TUNNEL_H_
+#include <linux/types.h>
+
#define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
#define GRE_FLAGS __constant_htons(0x00F8)
#define GRE_VERSION __constant_htons(0x0007)
+/* i_flags values for SIT mode */
+#define SIT_ISATAP 0x0001
+
struct ip_tunnel_parm
{
char name[IFNAMSIZ];