1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h
index a9d828976a77..ea1e3b863890 100644
--- a/include/linux/inetdevice.h
+++ b/include/linux/inetdevice.h
@@ -166,6 +166,12 @@ struct in_ifaddr {
         unsigned char           ifa_flags;
         unsigned char           ifa_prefixlen;
         char                    ifa_label[IFNAMSIZ];
+
+        /* In seconds, relative to tstamp. Expiry is at tstamp + HZ * lft. */
+        __u32                   ifa_valid_lft;
+        __u32                   ifa_preferred_lft;
+        unsigned long           ifa_cstamp; /* created timestamp */
+        unsigned long           ifa_tstamp; /* updated timestamp */
 };
 
 extern int register_inetaddr_notifier(struct notifier_block *nb);