1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
index ba4933b1213b..7999778ad08d 100644
--- a/include/linux/sock_diag.h
+++ b/include/linux/sock_diag.h
@@ -1,5 +1,8 @@
 #ifndef __SOCK_DIAG_H__
 #define __SOCK_DIAG_H__
+
+#define SOCK_DIAG_BY_FAMILY 20
+
 struct sk_buff;
 struct nlmsghdr;