1 files changed, 7 insertions, 0 deletions

diff --git a/include/net/ipip.h b/include/net/ipip.h
index fdf9bd743705..5d3036fa1511 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -28,11 +28,18 @@ struct ip_tunnel
         unsigned int                    prl_count;      /* # of entries in PRL */
 };
 
+/* ISATAP: default interval between RS in secondy */
+#define IPTUNNEL_RS_DEFAULT_DELAY       (900)
+
 struct ip_tunnel_prl_entry
 {
         struct ip_tunnel_prl_entry      *next;
         __be32                          addr;
         u16                             flags;
+        unsigned long                   rs_delay;
+        struct timer_list               rs_timer;
+        struct ip_tunnel                *tunnel;
+        spinlock_t                      lock;
 };
 
 #define IPTUNNEL_XMIT() do {                                            \