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Diffstat (limited to 'include/linux/ip6_tunnel.h')
-rw-r--r--include/linux/ip6_tunnel.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/linux/ip6_tunnel.h b/include/linux/ip6_tunnel.h
new file mode 100644
index 000000000000..5c23aeb104ca
--- /dev/null
+++ b/include/linux/ip6_tunnel.h
@@ -0,0 +1,34 @@
+/*
+ * $Id$
+ */
+
+#ifndef _IP6_TUNNEL_H
+#define _IP6_TUNNEL_H
+
+#define IPV6_TLV_TNL_ENCAP_LIMIT 4
+#define IPV6_DEFAULT_TNL_ENCAP_LIMIT 4
+
+/* don't add encapsulation limit if one isn't present in inner packet */
+#define IP6_TNL_F_IGN_ENCAP_LIMIT 0x1
+/* copy the traffic class field from the inner packet */
+#define IP6_TNL_F_USE_ORIG_TCLASS 0x2
+/* copy the flowlabel from the inner packet */
+#define IP6_TNL_F_USE_ORIG_FLOWLABEL 0x4
+/* being used for Mobile IPv6 */
+#define IP6_TNL_F_MIP6_DEV 0x8
+/* copy DSCP from the outer packet */
+#define IP6_TNL_F_RCV_DSCP_COPY 0x10
+
+struct ip6_tnl_parm {
+ char name[IFNAMSIZ]; /* name of tunnel device */
+ int link; /* ifindex of underlying L2 interface */
+ __u8 proto; /* tunnel protocol */
+ __u8 encap_limit; /* encapsulation limit for tunnel */
+ __u8 hop_limit; /* hop limit for tunnel */
+ __u32 flowinfo; /* traffic class and flowlabel for tunnel */
+ __u32 flags; /* tunnel flags */
+ struct in6_addr laddr; /* local tunnel end-point address */
+ struct in6_addr raddr; /* remote tunnel end-point address */
+};
+
+#endif