struct flow;
struct ofpbuf;
-/* 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));
-
struct cfm_settings {
uint16_t mpid; /* The MPID of this CFM. */
int interval; /* The requested transmission interval. */
};
void cfm_init(void);
-
struct cfm *cfm_create(void);
-
void cfm_destroy(struct cfm *);
-
void cfm_run(struct cfm *);
-
bool cfm_should_send_ccm(struct cfm *);
-
-void cfm_compose_ccm(struct cfm *, struct ccm *);
-
+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 *);
-
void cfm_process_heartbeat(struct cfm *, const struct ofpbuf *packet);
-
bool cfm_get_fault(const struct cfm *);
#endif /* cfm.h */