diff --git a/include/linux/un.h b/include/linux/un.h
new file mode 100644
index 0000000..45561c5
--- /dev/null
+++ b/include/linux/un.h
@@ -0,0 +1,11 @@
+#ifndef _LINUX_UN_H
+#define _LINUX_UN_H
+
+#define UNIX_PATH_MAX	108
+
+struct sockaddr_un {
+	sa_family_t sun_family;	/* AF_UNIX */
+	char sun_path[UNIX_PATH_MAX];	/* pathname */
+};
+
+#endif /* _LINUX_UN_H */