-struct fail_open *fail_open_create(struct ofproto *, int trigger_duration,
- struct switch_status *,
- struct rconn *controller);
-void fail_open_set_trigger_duration(struct fail_open *, int trigger_duration);
+/* Priority of the rule added by the fail-open subsystem when a switch enters
+ * fail-open mode. This priority value uniquely identifies a fail-open flow
+ * (OpenFlow priorities max out at 65535 and nothing else in Open vSwitch
+ * creates flows with this priority). And "f0" is mnemonic for "fail open"! */
+#define FAIL_OPEN_PRIORITY 0xf0f0f0
+
+struct fail_open *fail_open_create(struct ofproto *, struct switch_status *);
+void fail_open_set_controllers(struct fail_open *, struct rconn **, size_t n);