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/* Copyright (c) 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef CFM_H
#define CFM_H 1
#include <stdint.h>
#include "hmap.h"
#include "openvswitch/types.h"
struct flow;
struct ofpbuf;
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(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 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 */
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