X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fcfm.h;h=a031ab225b98e8285dc68741a2690c07481fbd78;hb=a75531e53e03d9fe9915f8041759601c07e47914;hp=5472cda6709c1f5996e3025c118875d35ef61d06;hpb=93b8df3853659238df58b1e1e69a0c5608e208f8;p=openvswitch diff --git a/lib/cfm.h b/lib/cfm.h index 5472cda6..a031ab22 100644 --- a/lib/cfm.h +++ b/lib/cfm.h @@ -24,62 +24,24 @@ 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)); - -/* 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. */ +struct cfm_settings { + uint64_t mpid; /* The MPID of this CFM. */ int interval; /* The requested transmission interval. */ - const char *name; /* Name of this CFM object. */ - - /* Statistics. */ - bool fault; /* Indicates connectivity vaults. */ + bool extended; /* Run in extended mode. */ }; void cfm_init(void); - -struct cfm *cfm_create(void); - +struct cfm *cfm_create(const char *name); 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 *); - -void cfm_update_remote_mps(struct cfm *, const uint16_t *mpid, size_t n_mpids); - -bool cfm_should_process_flow(const struct flow *); - +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 *); +void cfm_get_remote_mpids(const struct cfm *, const uint64_t **rmps, + size_t *n_rmps); #endif /* cfm.h */