cfm: Support random VLAN tag for CCM PDUs.

[sliver-openvswitch.git] / lib / cfm.h

diff --git a/lib/cfm.h b/lib/cfm.h
index 37e158f..2556a32 100644 (file)
--- a/lib/cfm.h
+++ b/lib/cfm.h
@@ -24,12 +24,38 @@
 struct flow;
 struct ofpbuf;
 
+#define CFM_RANDOM_VLAN UINT16_MAX
+
+#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 {
-    uint16_t mpid;              /* The MPID of this CFM. */
+    uint64_t mpid;              /* The MPID of this CFM. */
     int interval;               /* The requested transmission interval. */
-
-    const uint16_t *remote_mpids; /* Array of remote MPIDs */
-    size_t n_remote_mpids;        /* Number of MPIDs in 'remote_mpids'. */
+    bool extended;              /* Run in extended mode. */
+    bool opup;                  /* Operational State. */
+    uint16_t ccm_vlan;          /* CCM Vlan tag. Zero if none.
+                                   CFM_RANDOM_VLAN if random. */
+    uint8_t ccm_pcp;            /* CCM Priority. Zero if none. */
 };
 
 void cfm_init(void);
@@ -40,8 +66,12 @@ bool cfm_should_send_ccm(struct cfm *);
 void cfm_compose_ccm(struct cfm *, struct ofpbuf *packet, uint8_t eth_src[6]);
 void cfm_wait(struct cfm *);
 bool cfm_configure(struct cfm *, const struct cfm_settings *);
-bool cfm_should_process_flow(const struct flow *);
+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 */