-struct ds;
-
-/* Ethernet destination address of CCM packets. */
-static const uint8_t eth_addr_ccm[6] OVS_UNUSED
- = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x30 };
-
-#define ETH_TYPE_CFM 0x8902
-
-/* A 'ccm' represents a Continuity Check Message from the 802.1ag
- * specification. Continuity Check Messages are broadcast periodically so that
- * hosts can determine who they have connectivity to. */
-#define CCM_LEN 74
-#define CCM_MAID_LEN 48
-struct ccm {
- uint8_t mdlevel_version; /* MD Level and Version */
- uint8_t opcode;
- uint8_t flags;
- uint8_t tlv_offset;
- ovs_be32 seq;
- ovs_be16 mpid;
- uint8_t maid[CCM_MAID_LEN];
- uint8_t zero[16]; /* Defined by ITU-T Y.1731 should be zero */
-} __attribute__((packed));
-BUILD_ASSERT_DECL(CCM_LEN == sizeof(struct ccm));
-
-/* A 'cfm' represent a local Maintenance Point (MP) and its Connectivity Fault
- * Management (CFM) state machine. Its configuration variables should be set
- * by clients of the CFM library. */
-struct cfm {
- /* Configuration Variables. */
- uint16_t mpid; /* The MPID of this CFM. */
- uint8_t maid[CCM_MAID_LEN]; /* The MAID of this CFM. */
- int interval; /* The requested transmission interval. */
-
- /* Statistics. */
- struct hmap remote_mps; /* Expected remote MPs. */
- bool fault; /* Indicates connectivity vaults. */
+struct netdev;
+struct flow_wildcards;
+
+#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