1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 09378ea505bd..236f537b38d2 100644
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -533,6 +533,7 @@ enum {
         NET_IPV6_FORCE_MLD_VERSION=17,
         NET_IPV6_ACCEPT_RA_DEFRTR=18,
         NET_IPV6_ACCEPT_RA_PINFO=19,
+        NET_IPV6_ACCEPT_RA_RTR_PREF=20,
         __NET_IPV6_MAX
 };