cfm: Expose detailed fault status in the database.

[openvswitch] / lib / cfm.h

diff --git a/lib/cfm.h b/lib/cfm.h
index 5106a51b90b435bcedf23dad891ef5350ba45f32..6d23293f7c3ec2fcc59779a1700eeb4166b75f7f 100644 (file)
--- a/lib/cfm.h
+++ b/lib/cfm.h
@@ -24,6 +24,28 @@
 struct flow;
 struct ofpbuf;
 
+#define CFM_FAULT_REASONS                  \
+    CFM_FAULT_REASON(RECV, recv)           \
+    CFM_FAULT_REASON(RDI, rdi)             \
+    CFM_FAULT_REASON(MAID, maid)           \
+    CFM_FAULT_REASON(LOOPBACK, loopback)   \
+    CFM_FAULT_REASON(OVERFLOW, overflow)   \
+    CFM_FAULT_REASON(OVERRIDE, override)
+
+enum cfm_fault_bit_index {
+#define CFM_FAULT_REASON(NAME, STR) CFM_FAULT_INDEX_##NAME,
+    CFM_FAULT_REASONS
+#undef CFM_FAULT_REASON
+    CFM_FAULT_N_REASONS
+};
+
+enum cfm_fault_reason {
+#define CFM_FAULT_REASON(NAME, STR) \
+    CFM_FAULT_##NAME = 1 << CFM_FAULT_INDEX_##NAME,
+    CFM_FAULT_REASONS
+#undef CFM_FAULT_REASON
+};
+
 struct cfm_settings {
     uint64_t mpid;              /* The MPID of this CFM. */
     int interval;               /* The requested transmission interval. */
@@ -43,9 +65,10 @@ void cfm_wait(struct cfm *);
 bool cfm_configure(struct cfm *, const struct cfm_settings *);
 bool cfm_should_process_flow(const struct cfm *cfm, const struct flow *);
 void cfm_process_heartbeat(struct cfm *, const struct ofpbuf *packet);
-bool cfm_get_fault(const struct cfm *);
+int cfm_get_fault(const struct cfm *);
 bool cfm_get_opup(const struct cfm *);
 void cfm_get_remote_mpids(const struct cfm *, const uint64_t **rmps,
                           size_t *n_rmps);
+const char *cfm_fault_reason_to_str(int fault);
 
 #endif /* cfm.h */