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-rw-r--r--include/linux/if_tunnel.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
new file mode 100644
index 000000000000..bef9f8fd93b3
--- /dev/null
+++ b/include/linux/if_tunnel.h
@@ -0,0 +1,29 @@
+#ifndef _IF_TUNNEL_H_
+#define _IF_TUNNEL_H_
+
+#define SIOCGETTUNNEL (SIOCDEVPRIVATE + 0)
+#define SIOCADDTUNNEL (SIOCDEVPRIVATE + 1)
+#define SIOCDELTUNNEL (SIOCDEVPRIVATE + 2)
+#define SIOCCHGTUNNEL (SIOCDEVPRIVATE + 3)
+
+#define GRE_CSUM __constant_htons(0x8000)
+#define GRE_ROUTING __constant_htons(0x4000)
+#define GRE_KEY __constant_htons(0x2000)
+#define GRE_SEQ __constant_htons(0x1000)
+#define GRE_STRICT __constant_htons(0x0800)
+#define GRE_REC __constant_htons(0x0700)
+#define GRE_FLAGS __constant_htons(0x00F8)
+#define GRE_VERSION __constant_htons(0x0007)
+
+struct ip_tunnel_parm
+{
+ char name[IFNAMSIZ];
+ int link;
+ __u16 i_flags;
+ __u16 o_flags;
+ __u32 i_key;
+ __u32 o_key;
+ struct iphdr iph;
+};
+
+#endif /* _IF_TUNNEL_H_ */