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/* Copyright (c) 2012 Nicira, Inc.
*
* 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 BFD_H
#define BFD_H 1
#define BFD_PACKET_LEN 24
#define BFD_DEST_PORT 3784
#include <stdbool.h>
#include <inttypes.h>
struct bfd;
struct flow;
struct flow_wildcards;
struct netdev;
struct ofpbuf;
struct smap;
void bfd_wait(const struct bfd *);
void bfd_run(struct bfd *);
bool bfd_should_send_packet(const struct bfd *);
void bfd_put_packet(struct bfd *bfd, struct ofpbuf *packet,
uint8_t eth_src[6]);
bool bfd_should_process_flow(const struct bfd *, const struct flow *,
struct flow_wildcards *);
void bfd_process_packet(struct bfd *, const struct flow *,
const struct ofpbuf *);
struct bfd *bfd_configure(struct bfd *, const char *name,
const struct smap *smap,
struct netdev *netdev);
struct bfd *bfd_ref(const struct bfd *);
void bfd_unref(struct bfd *);
bool bfd_forwarding(const struct bfd *);
void bfd_get_status(const struct bfd *, struct smap *);
void bfd_set_netdev(struct bfd *, const struct netdev *);
long long int bfd_wake_time(const struct bfd *);
#endif /* bfd.h */
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