1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index 6e4c51123828..673e0e928b2b 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -237,6 +237,7 @@ enum
         LINUX_MIB_TCPOFOQUEUE,                  /* TCPOFOQueue */
         LINUX_MIB_TCPOFODROP,                   /* TCPOFODrop */
         LINUX_MIB_TCPOFOMERGE,                  /* TCPOFOMerge */
+        LINUX_MIB_TCPCHALLENGEACK,              /* TCPChallengeACK */
         __LINUX_MIB_MAX
 };