diff --git a/include/net/llc.h b/include/net/llc.h
index 71769a5..8b8e2be 100644
--- a/include/net/llc.h
+++ b/include/net/llc.h
@@ -98,4 +98,11 @@
 #define llc_proc_init()	(0)
 #define llc_proc_exit()	do { } while(0)
 #endif /* CONFIG_PROC_FS */
+#ifdef CONFIG_SYSCTL
+extern int llc_sysctl_init(void);
+extern void llc_sysctl_exit(void);
+#else
+#define llc_sysctl_init() (0)
+#define llc_sysctl_exit() do { } while(0)
+#endif /* CONFIG_SYSCTL */
 #endif /* LLC_H */