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/*
* Copyright (c) 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 LACP_H
#define LACP_H 1
#include <stdbool.h>
#include <stdint.h>
#include "packets.h"
/* LACP Protocol Implementation. */
enum lacp_time {
LACP_TIME_FAST,
LACP_TIME_SLOW,
LACP_TIME_CUSTOM
};
struct lacp_settings {
char *name;
uint8_t id[ETH_ADDR_LEN];
uint16_t priority;
bool active;
enum lacp_time lacp_time;
long long int custom_time;
bool heartbeat;
};
void lacp_init(void);
struct lacp *lacp_create(void);
void lacp_destroy(struct lacp *);
void lacp_configure(struct lacp *, const struct lacp_settings *);
bool lacp_is_active(const struct lacp *);
void lacp_process_packet(struct lacp *, const void *slave,
const struct ofpbuf *packet);
bool lacp_negotiated(const struct lacp *);
struct lacp_slave_settings {
char *name;
uint16_t id;
uint16_t priority;
uint16_t key;
};
void lacp_slave_register(struct lacp *, void *slave_,
const struct lacp_slave_settings *);
void lacp_slave_unregister(struct lacp *, const void *slave);
void lacp_slave_carrier_changed(const struct lacp *, const void *slave);
bool lacp_slave_may_enable(const struct lacp *, const void *slave);
uint16_t lacp_slave_get_port_id(const struct lacp *, const void *slave);
bool lacp_slave_is_current(const struct lacp *, const void *slave_);
/* Callback function for lacp_run() for sending a LACP PDU. */
typedef void lacp_send_pdu(void *slave, const void *pdu, size_t pdu_size);
void lacp_run(struct lacp *, lacp_send_pdu *);
void lacp_wait(struct lacp *);
#endif /* lacp.h */
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