isisd: Use enum for circuit state

Signed-off-by: Donald Sharp <sharpd@nvidia.com>

1 files changed, 9 insertions, 6 deletions

diff --git a/isisd/isis_csm.h b/isisd/isis_csm.h
index 9da06fb1a6..ad72ff5113 100644
--- a/isisd/isis_csm.h
+++ b/isisd/isis_csm.h
@@ -37,12 +37,15 @@ enum isis_circuit_state {
 /*
  * Circuit events
  */
-#define ISIS_ENABLE    1
-#define IF_UP_FROM_Z   2
-#define ISIS_DISABLE   3
-#define IF_DOWN_FROM_Z 4
+enum isis_circuit_event {
+	ISIS_ENABLE = 1,
+	IF_UP_FROM_Z,
+	ISIS_DISABLE,
+	IF_DOWN_FROM_Z,
+};
 
-struct isis_circuit *
-isis_csm_state_change(int event, struct isis_circuit *circuit, void *arg);
+struct isis_circuit *isis_csm_state_change(enum isis_circuit_event event,
+					   struct isis_circuit *circuit,
+					   void *arg);
 
 #endif /* _ZEBRA_ISIS_CSM_H */