1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/in6.h b/include/linux/in6.h
index bd55c6e46b2..9b90cb296eb 100644
--- a/include/linux/in6.h
+++ b/include/linux/in6.h
@@ -265,6 +265,9 @@ struct in6_flowlabel_req {
 #define IPV6_PREFER_SRC_CGA             0x0008
 #define IPV6_PREFER_SRC_NONCGA          0x0800
 
+/* RFC5082: Generalized Ttl Security Mechanism */
+#define IPV6_MINHOPCOUNT                73
+
 /*
  * Multicast Routing:
  * see include/linux/mroute6.h.